A headset

Abstract

The present application mainly relates to a pair of headphones, which includes a supporting assembly and a movement module connected to the supporting assembly. The supporting assembly is used to support the movement module to a wearing position. The movement module includes a movement housing, a transducer, a first vibration transmission plate and a vibration panel. The transducer is suspended in a receiving cavity of the movement housing through the first vibration transmission plate. The vibration panel is connected to the transducer and is used to transmit the mechanical vibration generated by the transducer to the user; wherein, the mass of the movement housing is greater than or equal to 1g, and the stiffness of the first vibration transmission plate is less than or equal to 7000N / m, so that the peak frequency of the resonance valley on the frequency response curve of the vibration panel is shifted to a lower frequency band, which is beneficial to improving the mid-frequency loss of the headphones, thereby improving the acoustic performance of the headphones.

Description

[0001] This application is a divisional application of the Chinese patent application submitted to the China Patent Office on September 22, 2022, with application number 2022111610405 and invention name "A Headphone".

[0002] The parent application claims priority of the Chinese patent application filed with the China Patent Office on October 22, 2021, with application number 2021112326083 and invention name “A Headphone”, the relevant contents of which are incorporated by reference in this application. Technical Field

[0003] The present application relates to the technical field of electronic devices, and in particular to a headset. Background Art

[0004] Headphones are widely used in our daily lives, working with electronic devices such as mobile phones and computers to provide users with an auditory feast. Based on their working principle, headphones can be generally divided into air conduction headphones and bone conduction headphones; based on how they are worn, they can be generally divided into headphones, earhook headphones, and in-ear headphones; and based on how the headphones interact with electronic devices, they can be generally divided into wired headphones and wireless headphones. Summary of the Invention

[0005] In some embodiments, the earphones include a movement module, which includes a movement housing, a transducer device, a first vibration transmission plate, a vibration panel and a connector, the transducer device is suspended in the accommodating cavity of the movement housing through the first vibration transmission plate, the movement housing includes an inner tube wall and a first end wall and a second end wall respectively connected to the two ends of the inner tube wall, the first end wall and the second end wall are respectively located on opposite sides of the transducer device in the vibration direction of the transducer, and are formed together with the inner tube wall to form the accommodating cavity, the first end wall is provided with a mounting hole, the vibration panel is located outside the movement housing and is used to contact the user's skin, one end of the connector is connected to the vibration panel, and the other end extends into the movement housing through the mounting hole and is connected to the transducer device; wherein, observed along the vibration direction, the area of the vibration panel is larger than the area of the mounting hole, and the area of the mounting hole is larger than the area of the connector.

[0006] In some embodiments, the first vibration transmission plate is located in the accommodating cavity.

[0007] In some embodiments, the first vibration transmitting plate is located on a side of the first end wall close to the second end wall.

[0008] In some embodiments, when viewed along the vibration direction, the area of the mounting hole is smaller than the area of the first vibration transmission plate.

[0009] In some embodiments, when viewed along the vibration direction, the cross-section of the inner cylinder wall is any one of circular, elliptical, and polygonal.

[0010] In some embodiments, the accommodating cavity is connected to the outside of the earphone only through a channel, and the channel is a gap between the connecting member and the wall surface of the mounting hole;

[0011] Alternatively, the accommodating cavity is connected to the outside of the earphone only through a first channel and a second channel, the first channel being a gap between the connecting member and the wall surface of the mounting hole, and the second channel being connected to the outside of the earphone via an acoustic filter;

[0012] Alternatively, the accommodating cavity is connected to the outside of the earphone only through a first channel and a second channel, the first channel is a gap between the connecting member and the wall of the mounting hole, and the ratio of the opening area of the second channel to the opening area of the first channel is less than or equal to 10%.

[0013] In some embodiments, the Young's modulus of the first end wall and the second end wall is respectively greater than or equal to 2000 MPa.

[0014] In some embodiments, when viewed along the vibration direction, a ratio of an area of the mounting hole to an area of the first end wall is less than or equal to 0.6.

[0015] In some embodiments, the gap between the connecting member and the wall of the mounting hole cooperates with the accommodating cavity to form a Helmholtz resonance cavity, and the peak resonance frequency of the Helmholtz resonance cavity is less than or equal to 4 kHz.

[0016] In some embodiments, the peak resonant frequency of the Helmholtz cavity is less than or equal to 1 kHz.

[0017] In some embodiments, when viewed along the vibration direction, a ratio of a difference between an area of the mounting hole and an area of the connecting member to an area of the mounting hole is greater than 0 and less than or equal to 0.5.

[0018] In some embodiments, the opening shape of the mounting hole and the cross-sectional shape of the connecting member are polygonal, or the opening shape of the mounting hole and the cross-sectional shape of the connecting member are circular;

[0019] Wherein, the gap between the connecting piece and the wall surface of the mounting hole is greater than 0 and less than or equal to 2 mm.

[0020] In some embodiments, a gap between the connecting member and a wall surface of the mounting hole is greater than or equal to 0.1 mm and less than or equal to 1 mm.

[0021] In some embodiments, the number of the connecting member is one, and the connecting member is connected to the central area of the vibration panel;

[0022] Alternatively, there are multiple connecting members, and the multiple connecting members are spaced apart around a center line of the vibration panel parallel to the vibration direction, and are respectively connected to the transducer device through a corresponding one of the mounting holes;

[0023] Alternatively, there are multiple connecting members, one of which is connected to the central area of the vibration panel, and the remaining connecting members are arranged at intervals around the connecting member located in the central area of the vibration panel, and multiple connecting members are respectively connected to the transducer device through a corresponding mounting hole.

[0024] In some embodiments, the Young's modulus of the vibration panel is greater than or equal to 3000 MPa.

[0025] In some embodiments, the ratio of the absolute value of the difference between the stiffness of the vibration panel and the stiffness of the first end wall to the larger of the stiffness of the vibration panel and the stiffness of the first end wall is less than or equal to 0.4; and / or the ratio of the absolute value of the difference between the stiffness of the vibration panel and the stiffness of the second end wall to the larger of the stiffness of the vibration panel and the stiffness of the second end wall is less than or equal to 0.4.

[0026] In some embodiments, a ratio of an area of the vibration panel to an area of the first end wall, viewed along the vibration direction, is between 0.3 and 1.6.

[0027] In some embodiments, in the vibration direction, the thickness of the vibration panel is between 0.3 mm and 3 mm; and / or the gap between the vibration panel and the first end wall is between 0.5 mm and 3 mm; and / or the spacing between the side of the first end wall facing away from the second end wall and the side of the second end wall facing away from the first end wall is between 6 mm and 16 mm.

[0028] In some embodiments, the side of the vibration panel facing away from the transducer device includes a skin contact area for contacting the user's skin and an air conduction enhancement area that is at least partially not in contact with the user's skin. The vibration panel drives the air outside the earphone to vibrate through the air conduction enhancement area to form sound waves.

[0029] In some embodiments, in the worn state, the air conduction enhancement area is at least partially directed toward the entrance of the external auditory canal of the user's ear to allow the sound waves to be directed toward the entrance of the external auditory canal.

[0030] In some embodiments, the air conduction enhancement area is at least partially inclined relative to the skin contact area and extends toward the transducer device, and the inclination angle of the air conduction enhancement area relative to the skin contact area is between 0 and 75°;

[0031] And / or, the width of the orthographic projection of the air conduction enhanced area along the vibration direction is greater than or equal to 1 mm.

[0032] In some embodiments, the vibration panel has a long axis direction and a short axis direction that are perpendicular to the vibration direction and orthogonal to each other, and the size of the vibration panel in the long axis direction is larger than the size of the vibration panel in the short axis direction; wherein, in the worn state, the long axis direction points to the top of the user's head, and the short axis direction points to the entrance of the external auditory canal of the user's ear.

[0033] In some embodiments, when viewed along the vibration direction, the vibration panel is arranged in an elliptical shape, a rounded rectangle shape, or a racetrack shape.

[0034] In some embodiments, the movement housing further includes a surround connected to one end of the movement housing close to the vibration panel, and the surround surrounds the vibration panel; wherein, in a non-worn state, the surround is spaced apart from the vibration panel in a direction perpendicular to the vibration direction, and a side of the vibration panel facing away from the transducer device at least partially protrudes from the side of the surround facing away from the transducer device in the vibration direction.

[0035] In some embodiments, the surrounding edge is provided with a connecting hole, and the connecting hole is used to connect the gap between the vibration panel and the movement housing with the outside of the earphone.

[0036] In some embodiments, there are multiple communicating holes. When worn, the opening direction of at least one communicating hole is away from the top of the user's head, and the angle between the opening and the vertical axis of the user is between 0 and 10 degrees.

[0037] In some embodiments, a gasket is provided between the vibration panel and the first end wall, and the Rockwell hardness of the gasket is smaller than the Rockwell hardness of the first vibration transmission plate.

[0038] In some embodiments, the movement module further includes an acoustic filter in communication with the accommodating cavity, and a cutoff frequency of the acoustic filter is less than or equal to 5 kHz.

[0039] In some embodiments, the first end wall includes a first sub-end wall and a second sub-end wall spaced apart in the vibration direction, the mounting hole passes through the first sub-end wall and the second sub-end wall along the vibration direction, and the first sub-end wall and the second sub-end wall cooperate with the inner tube wall to form the acoustic filter.

[0040] In some embodiments, a gap between the first sub-end wall and the second sub-end wall in the vibration direction of the transducer device is between 0.5 mm and 5 mm.

[0041] In some embodiments, the transducer device includes a bracket, a second vibration transmission plate, a magnetic circuit system and a coil. The bracket is connected to the movement housing through the first vibration transmission plate. The second vibration transmission plate connects the bracket and the magnetic circuit system to suspend the magnetic circuit system in the accommodating cavity. The coil is connected to the bracket and extends into the magnetic gap of the magnetic circuit system along the vibration direction. The vibration panel is connected to the bracket.

[0042] In some embodiments, the magnetic circuit system and / or the movement housing is provided with a Helmholtz resonance cavity communicating with the accommodating cavity.

[0043] In some embodiments, the frequency response curve of the air-conducted sound output to the outside of the earphone through the mounting hole has a resonance peak, and the Helmholtz resonance cavity is configured to weaken the intensity of the resonance peak; the peak resonance frequency of the resonance peak is between 500 Hz and 4 kHz.

[0044] In some embodiments, the Helmholtz resonance cavity is configured to weaken the vibration intensity of the frequency response curve of the air-conducted sound output to the outside of the earphone through the mounting hole within a preset frequency band, and the difference between the peak value of the vibration intensity when the opening connecting the Helmholtz resonance cavity to the accommodating cavity is in an open state and the peak value of the vibration intensity when the opening connecting the Helmholtz resonance cavity to the accommodating cavity is in a closed state is greater than or equal to 3dB.

[0045] In some embodiments, the bracket is provided with a communication hole extending along the vibration direction;

[0046] And / or, the magnetic circuit system includes a magnetic cover and a magnet connected to the bottom of the magnetic cover, the magnet is connected to the central area of the second vibration transmission plate, and is spaced apart from the magnetic cover in a direction perpendicular to the vibration direction to form the magnetic gap, the coil extends between the magnet and the magnetic cover, and the magnetic cover is provided with a connecting hole connecting the magnetic gap and the external space of the magnetic circuit system.

[0047] In some embodiments, the volume of the movement housing is less than or equal to 3 cm 3 .

[0048] In some embodiments, the headset further includes a headband assembly connected to the core module, wherein the headband assembly is configured to pass over the top of the user's head and enable the core module to contact the user's cheek through the vibration panel.

[0049] In some embodiments, the earphones include a movement module, which includes a movement housing, a transducer, a vibration panel, and a connector. The transducer is disposed in a receiving cavity of the movement housing, the movement housing is provided with a mounting hole, the vibration panel is located outside the movement housing and is configured to contact the user's skin, one end of the connector is connected to the vibration panel, and the other end extends into the movement housing through the mounting hole and is connected to the transducer; wherein, when viewed along the vibration direction, the area of the vibration panel is larger than the area of the mounting hole, and the area of the mounting hole is larger than the area of the connector;

[0050] The accommodating cavity is connected to the outside of the earphone only through a channel, and the channel is a gap between the connecting member and the wall surface of the mounting hole;

[0051] Alternatively, the accommodating cavity is connected to the outside of the earphone only through a first channel and a second channel, the first channel is a gap between the connecting member and the wall of the mounting hole, and the second channel is connected to the outside of the earphone through an acoustic filter.

[0052] In some embodiments, the transducer device includes a bracket, a second vibration transmission plate, a magnetic circuit system and a coil, the bracket is connected to the movement housing through the first vibration transmission plate, the second vibration transmission plate connects the bracket and the magnetic circuit system to suspend the magnetic circuit system in the accommodating cavity, the coil is connected to the bracket and extends into the magnetic gap of the magnetic circuit system along the vibration direction, and the vibration panel is connected to the bracket; wherein, when viewed along the vibration direction, the area of the mounting hole is smaller than the area of the first vibration transmission plate.

[0053] In some embodiments, when viewed along the vibration direction, a ratio of a difference between an area of the mounting hole and an area of the connecting member to an area of the mounting hole is greater than 0 and less than or equal to 0.5.

[0054] In some embodiments, the earphones include a movement module, which includes a movement housing, a transducer device, a first vibration transmission plate, a vibration panel and a connector, wherein the transducer device is suspended in a receiving cavity of the movement housing through the first vibration transmission plate, and a mounting hole is provided on the movement housing, and the movement housing is surrounded by a receiving cavity that is connected to the outside world only through the mounting hole; the vibration panel is located outside the movement housing and is used to contact the user's skin, one end of the connector is connected to the vibration panel, and the other end extends into the movement housing through the mounting hole and is connected to the transducer device; wherein the gap between the connector and the wall of the mounting hole is greater than 0 and less than or equal to 2 mm.

[0055] In some embodiments, a gap between the connecting member and a wall surface of the mounting hole is greater than or equal to 0.1 mm and less than or equal to 1 mm.

[0056] In some embodiments, the transducer device includes a bracket, a second vibration transmission plate, a magnetic circuit system and a coil, the bracket is connected to the movement housing through the first vibration transmission plate, the second vibration transmission plate connects the bracket and the magnetic circuit system to suspend the magnetic circuit system in the accommodating cavity, the coil is connected to the bracket and extends into the magnetic gap of the magnetic circuit system along the vibration direction, and the vibration panel is connected to the bracket; wherein, when viewed along the vibration direction, the area of the mounting hole is smaller than the area of the first vibration transmission plate.

[0057] In the above manner, in the earphones provided by the present application, although the mechanical vibrations generated by the transducer device of the movement module will be partially transmitted to the movement housing via the first vibration transmission plate, based on the principle of acoustic dipole, the sound leakage generated by the two end walls of the movement housing located in the vibration direction of the transducer device will cancel each other out in the far field, which is not only beneficial to reducing the sound leakage of the earphones, but also allows fewer or even no need to deliberately open sound leakage reduction holes on the movement housing as in the related art, thereby helping to improve the waterproof and dustproof performance of the earphones.

[0058] In some embodiments, the earphones include a supporting assembly and a movement module connected to the supporting assembly, the supporting assembly is used to support the movement module to be worn to the wearing position, the movement module includes a movement housing, a transducer device, a first vibration transmission plate and a vibration panel, the transducer device is suspended in the accommodating cavity of the movement housing through the first vibration transmission plate, the vibration panel is connected to the transducer device and is used to transmit the mechanical vibration generated by the transducer device to the user; wherein, the mass of the movement housing is greater than or equal to 1g, and the stiffness of the first vibration transmission plate is less than or equal to 7000N / m.

[0059] In some embodiments, the mass of the movement housing is greater than or equal to 1.2 g, and the stiffness of the first vibration transmission plate is less than or equal to 5000 N / m.

[0060] In some embodiments, the ratio of the mass of the movement housing to the stiffness of the first vibration transmitting piece is greater than or equal to 0.15s 2 .

[0061] In some embodiments, the ratio of the mass of the movement housing to the stiffness of the first vibration transmitting piece is greater than or equal to 0.2s 2 .

[0062] In some embodiments, the transducer device includes a bracket, a second vibration transmission plate, a magnetic circuit system and a coil. The bracket is connected to the movement housing through the first vibration transmission plate. The second vibration transmission plate connects the bracket and the magnetic circuit system to suspend the magnetic circuit system in the accommodating cavity. The coil is connected to the bracket and extends into the magnetic gap of the magnetic circuit system along the vibration direction of the transducer device. The vibration panel is connected to the bracket.

[0063] In some embodiments, the stiffness of the second vibration transmission plate is greater than or equal to 1000 N / m.

[0064] In some embodiments, in a non-wearing state, a frequency response curve of the vibration panel has a resonance valley generated by the first vibration transmitting piece, and a peak resonance frequency of the resonance valley is less than or equal to 400 Hz.

[0065] In some embodiments, the frequency response curve has at least one resonance peak generated by the first vibration transmission piece and the second vibration transmission piece in a frequency range of 200 Hz to 2 kHz.

[0066] In some embodiments, the at least one resonance peak includes a first resonance peak and a second resonance peak, wherein the peak resonance frequency of the first resonance peak is between 200 Hz and 400 Hz, and the peak resonance frequency of the second resonance peak is greater than the peak resonance frequency of the first resonance peak.

[0067] In some embodiments, when the stiffness of the first vibration transmission plate changes, the absolute value of the offset of the peak resonance frequency of the second resonance peak is greater than the absolute value of the offset of the peak resonance frequency of the first resonance peak; when the stiffness of the second vibration transmission plate changes, the absolute value of the offset of the peak resonance frequency of the first resonance peak is greater than the absolute value of the offset of the peak resonance frequency of the second resonance peak.

[0068] In some embodiments, the movement module also includes a connecting member, the movement housing includes an inner tube wall and a first end wall and a second end wall respectively connected to the two ends of the inner tube wall, the first end wall and the second end wall are respectively located on opposite sides of the transducer device in the vibration direction of the transducer device, and are surrounded by the inner tube wall to form the accommodating cavity, the first end wall is provided with a mounting hole, the vibration panel is located outside the movement housing, one end of the connecting member is connected to the vibration panel, and the other end extends into the movement housing through the mounting hole and is connected to the transducer device; wherein, observed along the vibration direction, the area of the vibration panel is larger than the area of the mounting hole, and the area of the mounting hole is larger than the area of the connecting member.

[0069] In some embodiments, the earphone includes a movement module, which includes a movement housing, a transducer, a first vibration transmission plate and a vibration panel. The transducer is suspended in a receiving cavity of the movement housing through the first vibration transmission plate. The vibration panel is connected to the transducer and is used to transmit the mechanical vibration generated by the transducer to the user. The ratio of the mass of the movement housing to the stiffness of the first vibration transmission plate is greater than or equal to 0.15s 2 .

[0070] In the above manner, in the earphones provided by the present application, although the mechanical vibrations generated by the transducer device of the movement module will be partially transmitted to the movement housing via the first vibration transmission plate, by setting the mass of the movement housing to be greater than or equal to 1g and the stiffness of the first vibration transmission plate to be less than or equal to 7000N / m, the peak frequency of the resonance valley on the frequency response curve of the vibration panel vibration is shifted to a lower frequency band, which is beneficial to improving the mid-frequency loss of the earphones, thereby improving the acoustic performance of the earphones.

[0071] In some embodiments, the earphones include a supporting assembly and a movement module connected to the supporting assembly, the supporting assembly is used to support the movement module to be worn to the wearing position, the movement module includes a movement housing, a transducer device, a first vibration transmission plate and a vibration panel, the transducer device is suspended in the accommodating cavity of the movement housing through the first vibration transmission plate, the vibration panel is connected to the transducer device and is used to transmit the mechanical vibration generated by the transducer device to the user; wherein, the mass of the movement housing is less than or equal to 0.5g, and the stiffness of the first vibration transmission plate is greater than or equal to 80000N / m.

[0072] In some embodiments, the transducer device includes a bracket, a second vibration transmission plate, a magnetic circuit system and a coil. The bracket is connected to the movement housing through the first vibration transmission plate. The second vibration transmission plate connects the bracket and the magnetic circuit system to suspend the magnetic circuit system in the accommodating cavity. The coil is connected to the bracket and extends into the magnetic gap of the magnetic circuit system along the vibration direction of the transducer device. The vibration panel is connected to the bracket.

[0073] In some embodiments, a peripheral area of the second vibration transmission piece is connected to the bracket, and a central area of the second vibration transmission piece is connected to the magnetic circuit system.

[0074] In some embodiments, in a non-wearing state, a frequency response curve of the vibration panel has a resonance valley generated by the first vibration transmitting piece, and a peak resonance frequency of the resonance valley is greater than or equal to 2 kHz.

[0075] In some embodiments, the frequency response curve has a first resonance peak and a second resonance peak jointly generated by the first vibration transmission plate and the second vibration transmission plate, the peak resonance frequency of the first resonance peak is less than the peak resonance frequency of the resonance valley, and the peak resonance frequency of the second resonance peak is greater than the peak resonance frequency of the resonance valley.

[0076] In some embodiments, the peak resonant frequency of the first resonant peak is between 200 Hz and 400 Hz.

[0077] In some embodiments, the movement module also includes a connecting member, the movement housing includes an inner tube wall and a first end wall and a second end wall respectively connected to the two ends of the inner tube wall, the first end wall and the second end wall are respectively located on opposite sides of the transducer device in the vibration direction of the transducer device, and are surrounded by the inner tube wall to form the accommodating cavity, the first end wall is provided with a mounting hole, the vibration panel is located outside the movement housing, one end of the connecting member is connected to the vibration panel, and the other end extends into the movement housing through the mounting hole and is connected to the transducer device; wherein, observed along the vibration direction, the area of the vibration panel is larger than the area of the mounting hole, and the area of the mounting hole is larger than the area of the connecting member.

[0078] In some embodiments, the accommodating cavity is connected to the outside of the earphone only through a channel, and the channel is a gap between the connecting member and the wall surface of the mounting hole;

[0079] Alternatively, the accommodating cavity is connected to the outside of the earphone only through a first channel and a second channel, the first channel being a gap between the connecting member and the wall surface of the mounting hole, and the second channel being connected to the outside of the earphone via an acoustic filter;

[0080] Alternatively, the accommodating cavity is connected to the outside of the earphone only through a first channel and a second channel, the first channel is a gap between the connecting member and the wall of the mounting hole, and the ratio of the opening area of the second channel to the opening area of the first channel is less than or equal to 10%.

[0081] In some embodiments, the accommodating cavity is connected to the outside of the earphone through a channel, and the channel is a gap between the connecting member and the wall of the mounting hole. The movement module also includes a sealing film, which seals the channel.

[0082] In some embodiments, the sealing membrane includes a first connecting portion, a pleated portion, and a second connecting portion that are integrally connected, the pleated portion forming a recessed area between the first connecting portion and the second connecting portion, the first connecting portion being connected to the first end wall, and the second connecting portion being connected to the connecting member or the vibration panel.

[0083] In the above manner, in the earphones provided by the present application, although the mechanical vibration generated by the transducer device of the movement module will be partially transmitted to the movement housing through the first vibration transmission plate, by setting the mass of the movement housing to be less than or equal to 0.5g and the stiffness of the first vibration transmission plate to be greater than or equal to 80,000N / m, the peak frequency of the resonance valley on the frequency response curve of the vibration panel vibration is shifted to a higher frequency band, which is beneficial to improving the mid-frequency loss of the earphones, thereby improving the acoustic performance of the earphones.

[0084] In some embodiments, the earphones include a support assembly and a movement module connected to the support assembly, the support assembly being used to support the movement module for wearing to a wearing position, the movement module including a movement housing, a transducer device, a first vibration transmission plate, and a vibration panel, the transducer device being suspended in a receiving cavity of the movement housing via the first vibration transmission plate, the vibration panel being connected to the support and being used to transmit the mechanical vibration generated by the transducer device to the user; wherein the movement module is configured such that, in a non-worn state, a frequency response curve of the vibration panel vibration has no effective resonance valley within a frequency range of 400 Hz to 2 kHz; the frequency response curve is used to characterize the relationship between the intensity and frequency of the vibration of the vibration panel, the effective resonance valley being defined as a reference line segment parallel to the horizontal axis of the frequency response curve having two intersections with the frequency response curve, the intensity corresponding to the reference line segment minus the peak resonance intensity of the effective resonance valley being equal to 6 dB, and the difference in frequencies corresponding to the two endpoints of the reference line segment being less than or equal to 4 octaves.

[0085] In some embodiments, the mass of the movement housing and / or the stiffness of the first vibration transmission plate are set so that the frequency response curve does not have the effective resonance valley in the frequency range of 400 Hz to 2 kHz.

[0086] In some embodiments, the transducer device includes a bracket, a second vibration transmission plate, a magnetic circuit system and a coil. The bracket is connected to the movement housing through the first vibration transmission plate. The second vibration transmission plate connects the bracket and the magnetic circuit system to suspend the magnetic circuit system in the accommodating cavity. The coil is connected to the bracket and extends into the magnetic gap of the magnetic circuit system along the vibration direction of the transducer device. The vibration panel is connected to the bracket.

[0087] In some embodiments, the mass of the movement housing and / or the stiffness of the first vibration transmission plate are set so that the frequency response curve has the effective resonance valley in the frequency range of 200 Hz to 400 Hz.

[0088] In some embodiments, the mass of the movement housing is greater than or equal to 1 g, and the stiffness of the first vibration transmission plate is less than or equal to 7000 N / m.

[0089] In some embodiments, the frequency response curve has two resonance peaks generated by the first vibration transmission piece and the second vibration transmission piece in a frequency range of 400 Hz to 2 kHz.

[0090] In some embodiments, the stiffness of the second vibration transmission plate is greater than or equal to 1000 N / m.

[0091] In some embodiments, the mass of the movement housing and / or the stiffness of the first vibration transmission plate are set so that the frequency response curve has the effective resonance valley in the frequency range of 2 kHz to 20 kHz.

[0092] In some embodiments, the mass of the movement housing is less than or equal to 0.5 g, and the stiffness of the first vibration transmission plate is greater than or equal to 80,000 N / m.

[0093] In some embodiments, the mass of the movement housing and / or the stiffness of the first vibration transmission plate are set so that the frequency response curve does not have the effective resonance valley in the frequency range of 200 Hz to 2 kHz.

[0094] In some embodiments, the mass of the movement housing is greater than or equal to 1 g, and the stiffness of the first vibration transmission piece is less than or equal to 2500 N / m;

[0095] Alternatively, the mass of the movement housing is less than or equal to 0.5 g, and the stiffness of the first vibration transmission plate is greater than or equal to 80,000 N / m.

[0096] In some embodiments, the mass of the movement housing and / or the stiffness of the first vibration transmission plate are set so that the frequency response curve does not have the effective resonance valley in the frequency range of 200 Hz to 4 kHz.

[0097] In some embodiments, the mass of the movement housing is greater than or equal to 1 g, and the stiffness of the first vibration transmission piece is less than or equal to 2500 N / m;

[0098] Alternatively, the mass of the movement housing is less than or equal to 0.5 g, and the stiffness of the first vibration transmission plate is greater than or equal to 160,000 N / m.

[0099] In some embodiments, the frequency response curve has at least one resonance peak generated by the first vibration transmission piece and the second vibration transmission piece in a frequency range of 200 Hz to 2 kHz.

[0100] In some embodiments, the mass of the movement housing is greater than or equal to 1 g, the stiffness of the first vibration transmission plate is less than or equal to 2500 N / m, and the stiffness of the second vibration transmission plate is less than or equal to 100,000 N / m;

[0101] Alternatively, the mass of the movement housing is less than or equal to 0.5 g, the stiffness of the first vibration transmission plate is greater than or equal to 80,000 N / m, and the stiffness of the second vibration transmission plate is between 1,000 N / m and 500,000 N / m.

[0102] In some embodiments, the movement module also includes a connecting member, the movement housing includes an inner tube wall and a first end wall and a second end wall respectively connected to the two ends of the inner tube wall, the first end wall and the second end wall are respectively located on opposite sides of the transducer device in the vibration direction of the transducer device, and are surrounded by the inner tube wall to form the accommodating cavity, the first end wall is provided with a mounting hole, the vibration panel is located outside the movement housing, one end of the connecting member is connected to the vibration panel, and the other end extends into the movement housing through the mounting hole and is connected to the transducer device; wherein, observed along the vibration direction, the area of the vibration panel is larger than the area of the mounting hole, and the area of the mounting hole is larger than the area of the connecting member.

[0103] In some embodiments, the non-wearing state is defined as the earphones not being worn on the user's head, the support assembly being fixed, and the movement module being in a cantilevered state relative to the support assembly.

[0104] Through the above method, in the headphones provided by the present application, the movement module is configured so that the frequency response curve of the vibration panel vibration in the non-worn state has no effective resonance valley in the frequency band range of 400Hz to 2kHz, which is beneficial to improving the mid-frequency loss of the headphones, thereby improving the acoustic performance of the headphones.

[0105] In some embodiments, the earphones include a supporting assembly and a movement module connected to the supporting assembly, the supporting assembly is used to support the movement module to be worn to the wearing position, the movement module includes a movement housing, a transducer, a first vibration transmission plate and a vibration panel, the transducer is suspended in the accommodating cavity of the movement housing through the first vibration transmission plate, and includes a bracket, a second vibration transmission plate, a magnetic circuit system and a coil, the bracket is connected to the movement housing through the first vibration transmission plate, the second vibration transmission plate connects the bracket and the magnetic circuit system to suspend the magnetic circuit system in the accommodating cavity, the coil is connected to the bracket and extends into the magnetic gap of the magnetic circuit system along the vibration direction of the transducer, the vibration panel is connected to the bracket, and is used to The mechanical vibration generated is transmitted to the user; wherein, in the non-wearing state, the frequency response curve of the vibration of the vibration panel has a first resonance peak and a second resonance peak jointly generated by the first vibration transmission piece and the second vibration transmission piece, the peak resonance frequency of the first resonance peak is less than the peak resonance frequency of the second resonance peak, and there is no effective resonance valley between the first resonance peak and the second resonance peak; the frequency response curve is used to characterize the changing relationship between the intensity and frequency of the vibration of the vibration panel, and the effective resonance valley is defined as a reference line segment parallel to the horizontal axis of the frequency response curve and the frequency response curve having two intersection points, the intensity corresponding to the reference line segment minus the peak resonance intensity of the effective resonance valley is equal to 6dB, and the difference in frequencies corresponding to the two endpoints of the reference line segment is less than or equal to 4 octaves.

[0106] In some embodiments, the mass of the movement housing is greater than or equal to 1 g, the stiffness of the first vibration transmission plate is less than or equal to 7000 N / m, and the stiffness of the second vibration transmission plate is greater than or equal to 1000 N / m.

[0107] In some embodiments, the mass of the movement housing is greater than or equal to 1.2 g, the stiffness of the first vibration transmission plate is less than or equal to 5000 N / m, and the stiffness of the second vibration transmission plate is greater than or equal to 3000 N / m.

[0108] In some embodiments, the stiffness of the second vibration transmitting plate is greater than the stiffness of the first vibration transmitting plate.

[0109] In some embodiments, when the stiffness of the first vibration transmission plate changes, the absolute value of the offset of the peak resonance frequency of the second resonance peak is greater than the absolute value of the offset of the peak resonance frequency of the first resonance peak; when the stiffness of the second vibration transmission plate changes, the absolute value of the offset of the peak resonance frequency of the first resonance peak is greater than the absolute value of the offset of the peak resonance frequency of the second resonance peak.

[0110] In some embodiments, the peak resonant frequency of the first resonance peak is between 80 Hz and 400 Hz, and the peak resonant frequency of the second resonance peak is between 100 Hz and 2 kHz.

[0111] In some embodiments, a peripheral area of the second vibration transmission piece is connected to the bracket, and a central area of the second vibration transmission piece is connected to the magnetic circuit system.

[0112] In some embodiments, the movement module also includes a connecting member, the movement housing includes an inner tube wall and a first end wall and a second end wall respectively connected to the two ends of the inner tube wall, the first end wall and the second end wall are respectively located on opposite sides of the transducer device in the vibration direction of the transducer device, and are surrounded by the inner tube wall to form the accommodating cavity, the first end wall is provided with a mounting hole, the vibration panel is located outside the movement housing, one end of the connecting member is connected to the vibration panel, and the other end extends into the movement housing through the mounting hole and is connected to the transducer device; wherein, observed along the vibration direction, the area of the vibration panel is larger than the area of the mounting hole, and the area of the mounting hole is larger than the area of the connecting member.

[0113] In some embodiments, the accommodating cavity is connected to the outside of the earphone through a channel, and the channel is a gap between the connecting member and the wall of the mounting hole. The movement module also includes a sealing film, which seals the channel.

[0114] In some embodiments, the sealing membrane includes a first connecting portion, a pleated portion, and a second connecting portion that are integrally connected, the pleated portion forming a recessed area between the first connecting portion and the second connecting portion, the first connecting portion being connected to the first end wall, and the second connecting portion being connected to the connecting member or the vibration panel.

[0115] Through the above method, in the earphones provided by the present application, there is no effective resonance valley between the two resonance peaks jointly generated by the first vibration transmission plate and the second vibration transmission plate on the frequency response curve of the vibration panel vibration. This is not only conducive to increasing the flatness of the aforementioned frequency response curve between the two resonance peaks, but also conducive to avoiding the problem of missing a frequency point or frequency band between the two resonance peaks in the aforementioned frequency response curve, thereby improving the acoustic performance of the earphones.

[0116] In some embodiments, the earphones include a supporting component and a movement module connected to the supporting component, the supporting component is used to support the movement module to be worn to the wearing position, the movement module includes a movement housing, a transducer, a first vibration transmission plate and a vibration panel, the transducer is suspended in the accommodating cavity of the movement housing through the first vibration transmission plate, and includes a bracket, a second vibration transmission plate, a magnetic circuit system and a coil, the bracket is connected to the movement housing through the first vibration transmission plate, the second vibration transmission plate connects the bracket and the magnetic circuit system to suspend the magnetic circuit system in the accommodating cavity, the coil and the The vibration panel is connected to the bracket and extends into the magnetic gap of the magnetic circuit system along the vibration direction of the transducer device. The vibration panel is connected to the bracket and is used to transmit the mechanical vibration generated by the transducer device to the user; wherein, in the non-wearing state, the frequency response curve of the vibration of the vibration panel has a resonance valley generated by the first vibration transmission piece, and a first resonance peak and a second resonance peak jointly generated by the first vibration transmission piece and the second vibration transmission piece, the peak resonance frequency of the resonance valley is less than the peak resonance frequency of the first resonance peak, and the peak resonance frequency of the first resonance peak is less than the peak resonance frequency of the second resonance peak.

[0117] In some embodiments, the peak resonant frequency of the resonance valley is greater than or equal to 400 Hz.

[0118] In some embodiments, the mass of the movement housing is less than or equal to 1 g, the stiffness of the first vibration transmission plate is greater than or equal to 7000 N / m, and the stiffness of the second vibration transmission plate is greater than or equal to 1000 N / m.

[0119] In some embodiments, the peak resonant frequency of the second resonant peak is less than or equal to 1 kHz.

[0120] In some embodiments, the mass of the movement housing is less than or equal to 1 g, the stiffness of the first vibration transmission plate is greater than or equal to 7000 N / m, and the stiffness of the second vibration transmission plate is between 20000 N / m and 50000 N / m.

[0121] In some embodiments, a peripheral area of the second vibration transmission piece is connected to the bracket, and a central area of the second vibration transmission piece is connected to the magnetic circuit system.

[0122] In some embodiments, the movement module also includes a connecting member, the movement housing includes an inner tube wall and a first end wall and a second end wall respectively connected to the two ends of the inner tube wall, the first end wall and the second end wall are respectively located on opposite sides of the transducer device in the vibration direction of the transducer device, and are surrounded by the inner tube wall to form the accommodating cavity, the first end wall is provided with a mounting hole, the vibration panel is located outside the movement housing, one end of the connecting member is connected to the vibration panel, and the other end extends into the movement housing through the mounting hole and is connected to the transducer device; wherein, observed along the vibration direction, the area of the vibration panel is larger than the area of the mounting hole, and the area of the mounting hole is larger than the area of the connecting member.

[0123] In some embodiments, the accommodating cavity is connected to the outside of the earphone only through a channel, and the channel is a gap between the connecting member and the wall surface of the mounting hole;

[0124] Alternatively, the accommodating cavity is connected to the outside of the earphone only through a first channel and a second channel, the first channel being a gap between the connecting member and the wall surface of the mounting hole, and the second channel being connected to the outside of the earphone via an acoustic filter;

[0125] Alternatively, the accommodating cavity is connected to the outside of the earphone only through a first channel and a second channel, the first channel is a gap between the connecting member and the wall of the mounting hole, and the ratio of the opening area of the second channel to the opening area of the first channel is less than or equal to 10%.

[0126] In some embodiments, the accommodating cavity is connected to the outside of the earphone through a channel, and the channel is a gap between the connecting member and the wall of the mounting hole. The movement module also includes a sealing film, which seals the channel.

[0127] In some embodiments, the sealing membrane includes a first connecting portion, a pleated portion, and a second connecting portion that are integrally connected, the pleated portion forming a recessed area between the first connecting portion and the second connecting portion, the first connecting portion being connected to the first end wall, and the second connecting portion being connected to the connecting member or the vibration panel.

[0128] In the above manner, in the earphones provided by the present application, although the frequency response curve of the vibration panel vibration has a resonance valley generated by the first vibration transmission plate, the peak resonance frequency of the resonance valley is lower than the peak resonance frequency of the two resonance peaks generated by the first vibration transmission plate and the second vibration transmission plate on the aforementioned frequency response curve. This is not only conducive to avoiding the problem of missing a frequency point or frequency band between the two resonance peaks in the aforementioned frequency response curve, but also conducive to increasing the flatness of the aforementioned frequency response curve between the two resonance peaks, and is conducive to shifting the resonance valley to a lower frequency band, thereby improving the acoustic performance of the earphones.

[0129] In some embodiments, the earphones include a supporting component and a movement module connected to the supporting component, the supporting component is used to support the movement module to be worn to the wearing position, the movement module includes a movement housing, a transducer, a first vibration transmission plate and a vibration panel, the transducer is suspended in the accommodating cavity of the movement housing through the first vibration transmission plate, and includes a bracket, a second vibration transmission plate, a magnetic circuit system and a coil, the bracket is connected to the movement housing through the first vibration transmission plate, the second vibration transmission plate connects the bracket and the magnetic circuit system to suspend the magnetic circuit system in the accommodating cavity, the coil is connected to the bracket and extends into the magnetic gap of the magnetic circuit system along the vibration direction of the transducer, the vibration panel is connected to the bracket and is used to transmit the mechanical vibration generated by the transducer to the user; wherein, in the non-wearing state, the frequency response curve of the vibration panel vibration has a resonance peak that is strongly related to the stiffness of the bracket, the stiffness of the bracket is greater than or equal to 100,000 N / m, and the peak resonance frequency of the resonance peak is greater than or equal to 4 kHz.

[0130] In some embodiments, the material of the bracket is any one of polycarbonate, nylon, and plastic titanium;

[0131] Alternatively, the bracket includes a matrix and a reinforcement, the matrix is made of any one of polycarbonate, nylon, and plastic titanium, the reinforcement is glass fiber or carbon fiber doped in the matrix, or the reinforcement is aluminum alloy or stainless steel formed on the matrix by a beer-making process.

[0132] In some embodiments, the ratio of the average thickness of the stent to the area of the stent is greater than or equal to 0.01 mm -1 , wherein the area of the bracket is defined as the area of the positive projection of the bracket along the vibration direction, and the average thickness of the bracket is defined as the volume of the bracket divided by the area of the bracket.

[0133] In some embodiments, the mass of the movement housing and / or the stiffness of the first vibration transmission plate are set so that the frequency response curve has no effective resonance valley in the frequency band range of 400 Hz to 2 kHz, and the effective resonance valley is defined as a reference line segment parallel to the horizontal axis of the frequency response curve and having two intersections with the frequency response curve, the intensity corresponding to the reference line segment minus the peak resonance intensity of the effective resonance valley is equal to 6 dB, and the difference between the frequencies corresponding to the two endpoints of the reference line segment is less than or equal to 4 octaves.

[0134] In some embodiments, the mass of the movement housing and / or the stiffness of the first vibration transmission piece are configured so that the frequency response curve has the effective resonance valley within a frequency range of 200 Hz to 400 Hz.

[0135] In some embodiments, the mass of the movement housing is greater than or equal to 1 g, and the stiffness of the first vibration transmission plate is less than or equal to 7000 N / m.

[0136] In some embodiments, the frequency response curve has two resonance peaks generated by the first vibration transmission piece and the second vibration transmission piece in a frequency range of 400 Hz to 2 kHz.

[0137] In some embodiments, the stiffness of the second vibration transmission plate is greater than or equal to 1000 N / m.

[0138] In some embodiments, the movement module also includes a connecting member, the movement housing includes an inner tube wall and a first end wall and a second end wall respectively connected to the two ends of the inner tube wall, the first end wall and the second end wall are respectively located on opposite sides of the transducer device in the vibration direction of the transducer device, and are surrounded by the inner tube wall to form the accommodating cavity, the first end wall is provided with a mounting hole, the vibration panel is located outside the movement housing, one end of the connecting member is connected to the vibration panel, and the other end extends into the movement housing through the mounting hole and is connected to the transducer device; wherein, observed along the vibration direction, the area of the vibration panel is larger than the area of the mounting hole, and the area of the mounting hole is larger than the area of the connecting member.

[0139] In some embodiments, the accommodating cavity is connected to the outside of the earphone only through a channel, and the channel is a gap between the connecting member and the wall surface of the mounting hole;

[0140] Alternatively, the accommodating cavity is connected to the outside of the earphone only through a first channel and a second channel, the first channel being a gap between the connecting member and the wall surface of the mounting hole, and the second channel being connected to the outside of the earphone via an acoustic filter;

[0141] Alternatively, the accommodating cavity is connected to the outside of the earphone only through a first channel and a second channel, the first channel is a gap between the connecting member and the wall of the mounting hole, and the ratio of the opening area of the second channel to the opening area of the first channel is less than or equal to 10%.

[0142] Through the above method, in the earphones provided by the present application, although the frequency response curve of the vibration panel vibration has a resonance peak that is strongly related to the stiffness of the bracket, the stiffness of the bracket is greater than or equal to 100,000 N / m, so that the peak resonance frequency of the aforementioned resonance peak is greater than or equal to 4 kHz, thereby making the mid-high frequency band and above the aforementioned frequency response curve as flat as possible, which is conducive to improving the acoustic performance of the earphones.

[0143] In some embodiments, the headset includes a headband assembly and a movement module connected to the headband assembly, the headband assembly is used to bypass the top of the user's head and make the movement module contact the user's cheek, the movement module includes a transducer and transmits the mechanical vibration generated by the transducer in a bone conduction manner; wherein, the headband assembly applies a pressing force between 0.4N and 0.8N to press the movement module against the user's cheek, and the contact area between the movement module and the user's cheek is between 400mm 2 With 600mm 2 between.

[0144] In some embodiments, the movement module also includes a movement housing, a first vibration transmission plate and a vibration panel, the movement housing is connected to the head beam assembly, the transducer device is suspended in the accommodating cavity of the movement housing through the first vibration transmission plate, and the vibration panel is connected to the transducer device and is used to contact the user's skin; wherein, the pressing force of the vibration panel on the user's cheek is less than the pressing force of the head beam assembly pressing the movement module against the user's cheek, and the contact area between the vibration panel and the user's cheek is less than the contact area between the movement module and the user's cheek.

[0145] In some embodiments, the pressing force of the vibration panel on the user's cheek is between 0.1N and 0.7N, and the contact area with the user's cheek is between 180mm 2 With 300mm 2 between.

[0146] In some embodiments, the movement module also includes a border connected to one end of the movement housing near the vibration panel, the border surrounds the vibration panel and is used to contact the user's cheek; wherein, in a non-worn state, the border is spaced apart from the vibration panel in a direction perpendicular to the vibration direction of the transducer device, and the side of the vibration panel facing away from the transducer device at least partially protrudes from the side of the border facing away from the transducer device in the vibration direction.

[0147] In some embodiments, the side of the vibration panel facing away from the transducer device includes a skin contact area for contacting the user's skin and an edge area connected to the skin contact area, the edge area is located outside the skin contact area and is spaced apart from the skin contact area in the vibration direction, the surrounding edge includes a connecting portion connected to the movement housing and a limiting portion connected to the connecting portion, the limiting portion is located on the side of the vibration panel facing away from the transducer device; wherein, when viewed along the vibration direction, the limiting portion overlaps with the edge area and is staggered with the skin contact area, and in a non-worn state, the skin contact area protrudes in the vibration direction from the side of the limiting portion facing away from the transducer device.

[0148] In some embodiments, the side of the vibration panel facing away from the transducer device also includes an air conduction enhancement area connected between the skin contact area and the edge area, and the air conduction enhancement area is at least partially not in contact with the user's skin. The vibration panel drives the air outside the earphone to vibrate through the air conduction enhancement area to form sound waves.

[0149] In some embodiments, in the worn state, the air conduction enhancement area is at least partially directed toward the entrance of the external auditory canal of the user's ear to allow the sound waves to be directed toward the entrance of the external auditory canal.

[0150] In some embodiments, the air conduction enhanced area is at least partially inclined relative to the skin contact area, and the inclination angle of the air conduction enhanced area relative to the skin contact area is between 0 and 75°;

[0151] And / or, the width of the orthographic projection of the air conduction enhanced area along the vibration direction is greater than or equal to 1 mm.

[0152] In some embodiments, the vibration panel has a long axis direction and a short axis direction that are perpendicular to the vibration direction and orthogonal to each other, and the size of the vibration panel in the long axis direction is larger than the size of the vibration panel in the short axis direction; wherein, in the worn state, the long axis direction points to the top of the user's head, and the short axis direction points to the entrance of the external auditory canal of the user's ear.

[0153] In some embodiments, the surrounding edge is provided with a connecting hole, which is used to connect the gap between the vibration panel and the movement shell and the outside of the earphone; wherein, there are multiple connecting holes, and the opening direction of at least one connecting hole is away from the top of the user's head, and the angle between the opening and the vertical axis of the user is between 0 and 10°.

[0154] In the above manner, the earphones provided by the present application are provided with a headband assembly that applies a pressing force between 0.4N and 0.8N to press the movement module against the user's cheek, so that the earphones are not unstable to wear due to too small a pressing force and the mechanical vibration generated by the movement module is not transmitted to the user, nor are they uncomfortable to wear due to too large a pressing force. The contact area between the movement module and the user's cheek is also provided to be between 400mm. 2 With 600mm 2 The movement module does not cause discomfort when worn due to a small contact area, nor does it cause a poor fit with the user's cheek due to a large contact area, thereby allowing users to obtain excellent wearing stability and comfort as well as good sound quality when using the headphones.

[0155] In some embodiments, the earphones include a headband assembly and a movement module, the headband assembly includes an arc-shaped headband component and an adapter, the arc-shaped headband component is used to bypass the top of the user's head, the two ends of the adapter are respectively connected to the arc-shaped headband component and the movement module, and allow the movement module to approach or move away from the arc-shaped headband component in the extension direction of the headband assembly, the movement module includes a transducer device, and transmits the mechanical vibration generated by the transducer device in a bone conduction manner; wherein, the headband assembly applies a clamping force between 0.4N and 0.8N to press the movement module against the user's cheek.

[0156] In some embodiments, the adapter and the movement module are provided at both ends of the arc-shaped head beam component, the head beam component provides a first pressing force for the movement module in a first use state, and provides a second pressing force for the movement module in a second use state, and the absolute value of the difference between the second pressing force and the first pressing force is between 0 and 0.1N;

[0157] Among them, the first usage state is defined as a usage state in which each of the adapters has a first extension relative to the arc-shaped head beam component, and a first spacing is provided between the two movement modules; the second usage state is defined as a usage state in which each of the adapters has a second extension relative to the arc-shaped head beam component, and a second spacing is provided between the two movement modules, the second extension is greater than the first extension, and the second spacing is greater than the first spacing.

[0158] In some embodiments, when the movement module is closest to the arc-shaped head beam component, the first extension amount takes a minimum value; when the movement module is farthest from the arc-shaped head beam component, the second extension amount takes a maximum value.

[0159] In some embodiments, when each of the movement modules is closest to or farthest from the arc-shaped head beam, the adapters at both ends of the arc-shaped head beam are symmetrically arranged relative to a first reference plane, a second reference plane passes through a line connecting the two ends of the arc-shaped head beam, and intersects the first reference plane perpendicularly, when the arc-shaped head beam is in a natural state, and the arc-shaped head beam and the adapter are projected onto the second reference plane, when the movement module is closest to the arc-shaped head beam, the free end of the adapter for connecting the movement module has a first position, and when the movement module is farthest from the arc-shaped head beam, the free end has a second position, a line connecting the first position and the second position has a first projection component in a first reference direction parallel to the line connecting the two ends of the arc-shaped head beam, and has a second projection component in a second reference direction perpendicular to the line connecting the two ends of the arc-shaped head beam, and a ratio of the second projection component to the first projection component is greater than or equal to 2;

[0160] And / or, the ratio of the cross-sectional bending stiffness of the adapter component to the cross-sectional bending stiffness of the arc-shaped head beam component is less than or equal to 0.9.

[0161] In some embodiments, the earphones further include an adapter shell rotatably connected to an end of the adapter away from the arc-shaped headband member, the movement module further includes a movement shell rotatably connected to the adapter shell, the transducer device is disposed in a receiving cavity of the movement shell, and the axis of rotation of the movement shell relative to the adapter shell intersects with the axis of rotation of the adapter shell relative to the adapter.

[0162] In some embodiments, a shaft cavity is provided on the adapter shell, and the adapter is inserted into the shaft cavity along the axial direction of the shaft cavity. The earphone further includes a locking member, which is used to limit the adapter along the axial direction of the shaft cavity so that the adapter remains in the shaft cavity. A limiting groove is provided on the outer peripheral wall of the adapter, and a limiting block is provided on the inner peripheral wall of the shaft cavity. The limiting block is embedded in the limiting groove to limit the rotation angle of the adapter relative to the shaft cavity.

[0163] In some embodiments, a slot is provided at the free end of the adapter. After the adapter is inserted into the rotating shaft cavity from one end of the rotating shaft cavity, the slot is exposed from the other end of the rotating shaft cavity. The locking member is clamped in the slot, and the radial dimension of the locking member is larger than the radial dimension of the rotating shaft cavity.

[0164] In some embodiments, the rotation angle is between 5° and 15°.

[0165] In some embodiments, the earphones further include a battery and a main board coupled to the transducer device, the adapter shell includes a middle plate rotatably connected to the adapter and an outer shell connected to the middle plate, the battery or the main board is arranged between the outer shell and the middle plate, the movement shell is rotatably connected to the adapter shell, and is located on the side of the middle plate facing away from the outer shell.

[0166] In some embodiments, the movement module also includes a first vibration transmission plate and a vibration panel, the transducer device is suspended in the accommodating cavity of the movement housing through the first vibration transmission plate, and the vibration panel is connected to the transducer device and is used to contact the user's skin; wherein, the pressing force of the vibration panel on the user's cheek is smaller than the pressing force of the headband assembly pressing the movement module against the user's cheek, and the contact area between the vibration panel and the user's cheek is smaller than the contact area between the movement module and the user's cheek.

[0167] In the above manner, in the earphones provided by the present application, the headband assembly is configured to have an adjustable arc length, so that the earphones can be worn by users with different head sizes, and when users with different head sizes wear the earphones, the headband assembly applies a pressing force between 0.4N and 0.8N to press the movement module against the user's cheek, so that the earphones will not be unstable to wear due to too small a pressing force and the mechanical vibration generated by the movement module will not be transmitted to the user less, nor will it cause discomfort to wear due to too large a pressing force, so that users can obtain excellent wearing stability and comfort as well as good sound quality when using the earphones.

[0168] In some embodiments, the earphones include a headband assembly, an adapter shell rotatably connected to the headband assembly, a movement module connected to the adapter shell, and a battery and a mainboard coupled to the movement module. The headband assembly is used to bypass the top of the user's head and make the movement module contact the user's cheek. The adapter shell includes a middle plate rotatably connected to the headband assembly and an outer shell connected to the middle plate. The battery or the mainboard is arranged between the outer shell and the middle plate. The movement module includes a movement shell rotatably connected to the adapter shell and a transducer arranged in a accommodating cavity of the movement shell. The movement shell and the outer shell are respectively located on opposite sides of the middle plate.

[0169] In some embodiments, the movement housing rotates around a first axis relative to the adapter housing, and the adapter housing rotates around a second axis relative to the headband assembly, and the first axis and the second axis intersect on a reference plane perpendicular to the vibration direction of the transducer device.

[0170] In some embodiments, the movement module further includes a first vibration transmission plate and a vibration panel, the transducer device is suspended in the accommodating cavity of the movement housing through the first vibration transmission plate, and the vibration panel is connected to the transducer device and is used to contact the user's skin.

[0171] In some embodiments, the movement module also includes a connecting member, and the movement housing includes an inner tube wall connected to the adapter housing and a first end wall and a second end wall respectively connected to the two ends of the inner tube wall, the first end wall and the second end wall are respectively located on opposite sides of the transducer device in the vibration direction of the transducer device, and are formed together with the inner tube wall to form the accommodating cavity, the first end wall is provided with a mounting hole, the vibration panel is located outside the movement housing, one end of the connecting member is connected to the vibration panel, and the other end extends into the movement housing through the mounting hole and is connected to the transducer device; wherein, observed along the vibration direction, the area of the vibration panel is larger than the area of the mounting hole, and the area of the mounting hole is larger than the area of the connecting member.

[0172] In some embodiments, when viewed along the vibration direction, a ratio of an area of the mounting hole to an area of the first end wall is less than or equal to 0.6.

[0173] In some embodiments, when viewed along the vibration direction, a ratio of a difference between an area of the mounting hole and an area of the connecting member to an area of the mounting hole is greater than 0 and less than or equal to 0.5.

[0174] In some embodiments, the side of the vibration panel facing away from the transducer device includes a skin contact area for contacting the user's skin and an edge area connected to the skin contact area, the edge area is located on the periphery of the skin contact area, and is spaced apart from the skin contact area in the vibration direction of the transducer device, the movement module also includes a surrounding edge connected to an end of the inner tube wall away from the second end wall, the surrounding edge includes a connecting portion connected to the inner tube wall and a limiting portion connected to the connecting portion, the limiting portion is located on the side of the vibration panel facing away from the transducer device; wherein, when viewed along the vibration direction, the limiting portion overlaps with the edge area and is staggered with the skin contact area, and in a non-worn state, the skin contact area protrudes in the vibration direction from the side of the limiting portion facing away from the transducer device.

[0175] In some embodiments, the side of the vibration panel facing away from the transducer device also includes an air conduction enhancement area connected between the skin contact area and the edge area, and the air conduction enhancement area is at least partially not in contact with the user's skin. The vibration panel drives the air outside the earphone to vibrate through the air conduction enhancement area to form sound waves.

[0176] In some embodiments, the air conduction enhanced area is at least partially inclined relative to the skin contact area, and the inclination angle of the air conduction enhanced area relative to the skin contact area is between 0 and 75°;

[0177] And / or, the width of the orthographic projection of the air conduction enhanced area along the vibration direction is greater than or equal to 1 mm.

[0178] In some embodiments, the headband assembly includes an arc-shaped headband member and an adapter, the arc-shaped headband member is used to bypass the top of the user's head, the adapter member includes a first connecting section, an intermediate transition section, and a second connecting section connected in sequence, the first connecting section is connected to the arc-shaped headband member, and the second connecting section is rotatably connected to the middle plate, the first connecting section and the second connecting section are respectively bent relative to the intermediate transition section and extended in the opposite direction, so that when worn and observed along the direction of the human body's coronal axis, the arc-shaped headband member is located above the user's ear, and the movement module is located on the front side of the user's ear.

[0179] In some embodiments, the bending angle of the first connecting section relative to the intermediate transition section is greater than or equal to 90° and less than 180°; and / or the bending angle of the second connecting section relative to the intermediate transition section is greater than or equal to 90° and less than 180°.

[0180] In some embodiments, when worn and observed along the direction of the human coronal axis, the first connecting segment is parallel to the second connecting segment, and the distance between the first connecting segment and the second connecting segment is between 20 mm and 30 mm.

[0181] Through the above method, in the earphones provided by the present application, not only is the movement module rotatably connected to the headband assembly through the adapter shell, so that it fits better with the user's cheek, but the battery or mainboard is arranged in the adapter shell and separated from the movement module, making the structure of the earphones more compact and the various structural components do not interfere with each other.

[0182] In some embodiments, the earphones include an adapter shell and a movement module, the movement module including a movement shell rotatably connected to the adapter shell, a transducer device arranged in a receiving cavity of the movement shell, and a rim connected to one end of the movement shell away from the adapter shell, the rim including a connecting portion connected to the movement shell and a flange portion connected to the connecting portion, and when observed along the vibration direction of the transducer device, the flange portion is located on the periphery of the movement shell and overlaps with the adapter shell, and in a non-wearing state, with the axis of rotation of the movement shell relative to the adapter shell as the starting point, the gap between the flange portion and the adapter shell in the vibration direction gradually increases along a reference direction, and the reference direction is defined as a direction perpendicular to the vibration direction and the direction of the axis and away from the axis.

[0183] In some embodiments, a maximum gap between the flange portion and the adapter housing in the vibration direction is between 2 mm and 5 mm.

[0184] In some embodiments, when viewed along the direction of the axis, the flange portion is arranged in an arc shape on one side facing the adapter housing.

[0185] In some embodiments, the arc radius of the flange portion facing the adapter housing is greater than or equal to 50 mm.

[0186] In some embodiments, the movement module also includes a first vibration transmission plate and a vibration panel, the transducer device is suspended in the accommodating cavity of the movement housing through the first vibration transmission plate, the vibration panel is connected to the transducer device and is used to contact the user's skin, and the rim surrounds the vibration panel; wherein, in a non-worn state, the rim is spaced apart from the vibration panel in a direction perpendicular to the vibration direction, and the side of the vibration panel facing away from the transducer device at least partially protrudes from the side of the rim facing away from the transducer device in the vibration direction.

[0187] In some embodiments, the side of the vibration panel facing away from the transducer device includes a skin contact area for contacting the user's skin and an edge area connected to the skin contact area, the edge area is located at the periphery of the skin contact area and is spaced apart from the skin contact area in the vibration direction, the surrounding edge also includes a limiting portion connected to the connecting portion, and the limiting portion is located on the side of the vibration panel facing away from the transducer device; wherein, when observed along the vibration direction, the limiting portion overlaps with the edge area and is staggered with the skin contact area, and in a non-worn state, the skin contact area protrudes in the vibration direction from the side of the limiting portion facing away from the transducer device.

[0188] In some embodiments, the side of the vibration panel facing away from the transducer device also includes an air conduction enhancement area connected between the skin contact area and the edge area, and the air conduction enhancement area is at least partially not in contact with the user's skin. The vibration panel drives the air outside the earphone to vibrate through the air conduction enhancement area to form sound waves.

[0189] In some embodiments, the air conduction enhanced area is at least partially inclined relative to the skin contact area, and the inclination angle of the air conduction enhanced area relative to the skin contact area is between 0 and 75°;

[0190] And / or, the width of the orthographic projection of the air conduction enhanced area along the vibration direction is greater than or equal to 1 mm.

[0191] In some embodiments, the earphones also include a headband assembly connected to the adapter shell, the headband assembly is used to bypass the top of the user's head and enable the movement module to contact the user's cheek, the headband assembly includes an arc-shaped headband member and an adapter, the arc-shaped headband member is used to bypass the top of the user's head, the adapter includes a first connecting section, an intermediate transition section, and a second connecting section connected in sequence, the first connecting section is connected to the arc-shaped headband member, and the second connecting section is connected to the adapter shell, the first connecting section and the second connecting section are respectively bent relative to the intermediate transition section and extended in the opposite direction, so that when worn and observed along the direction of the human body's coronal axis, the arc-shaped headband member is located above the user's ear, and the movement module is located on the front side of the user's ear.

[0192] In some embodiments, the bending angle of the first connecting section relative to the intermediate transition section is greater than or equal to 90° and less than 180°; and / or the bending angle of the second connecting section relative to the intermediate transition section is greater than or equal to 90° and less than 180°.

[0193] In some embodiments, when worn and observed along the direction of the human coronal axis, the first connecting segment is parallel to the second connecting segment, and the distance between the first connecting segment and the second connecting segment is between 20 mm and 30 mm.

[0194] Through the above method, in the earphones provided by the present application, the movement module is not only rotatably connected to the adapter shell, so that it fits the user's cheek better, but also the gap between the flange portion of its peripheral edge and the adapter shell becomes larger the farther away from the position where the two are rotatably connected. Compared with the aforementioned gap, the size remains unchanged. This is conducive to reducing the total size of the movement module and the adapter shell in the vibration direction of the transducer device, making the structure of the earphones more compact.

[0195] In some embodiments, the earphones include an adapter shell and a movement module, the adapter shell includes a cylindrical side wall, the cylindrical side wall is located on the periphery of the movement module, the movement module includes a movement shell and a transducer device arranged in the accommodating cavity of the movement shell, the movement shell includes a first movement shell, the first movement shell includes an inner cylinder wall and an outer cylinder wall, the inner cylinder wall is located on the periphery of the transducer device, the outer cylinder wall is located on the periphery of the inner cylinder wall, and is spaced from the inner cylinder wall in a direction perpendicular to the vibration direction of the transducer device, one of the outer cylinder wall and the cylindrical side wall is provided with an axial hole, and the other is provided with a rotating shaft matching the axial hole, and the rotating shaft is embedded in the axial hole to allow the movement shell to rotate relative to the adapter shell.

[0196] In some embodiments, the first movement housing further includes a reinforcing column connected between the outer cylinder wall and the inner cylinder wall, the rotating shaft is provided on the side of the cylindrical side wall facing the outer cylinder wall, and the shaft hole is provided on the reinforcing column.

[0197] In some embodiments, the first movement shell further includes a transition wall and a cover plate connected between the inner tube wall and the outer tube wall, the cover plate and the transition wall are spaced apart in the vibration direction, and together with the outer tube wall, the inner tube wall and the transition wall form a Helmholtz resonance cavity, the Helmholtz resonance cavity is connected to the accommodating cavity to absorb the sound energy of the sound waves generated by the vibration of the air in the accommodating cavity as the transducer device vibrates.

[0198] In some embodiments, the frequency response curve of the sound wave has a resonance peak, the peak resonance frequency of the resonance peak is between 500 Hz and 4 kHz, and the difference between the peak resonance intensity of the resonance peak when the opening connecting the Helmholtz resonance cavity to the accommodating cavity is in an open state and the peak resonance intensity of the resonance peak when the opening connecting the Helmholtz resonance cavity to the accommodating cavity is in a closed state is greater than or equal to 3 dB.

[0199] In some embodiments, the first movement shell further includes an end wall and a transition wall, the end wall is connected to one end of the inner tube wall and is arranged to form the accommodating cavity, the transition wall is connected between the inner tube wall and the outer tube wall, the adapter shell further includes a middle plate connected to the cylindrical side wall, the middle plate is located on the side of the end wall away from the accommodating cavity, the end wall, the inner tube wall, the transition wall and the outer tube wall are arranged with the middle plate and the cylindrical side wall to form an acoustic filter, the acoustic filter is connected to the accommodating cavity to absorb the acoustic energy of the sound waves formed by the vibration of the air in the accommodating cavity with the transducer device, and the sound waves are absorbed by the acoustic filter and transmitted to the outside of the earphone through the gap between the cylindrical side wall and the outer tube wall.

[0200] In some embodiments, the cutoff frequency of the acoustic filter is less than or equal to 5 kHz.

[0201] In some embodiments, the gap between the transition wall and the middle plate in the vibration direction and the gap between the inner cylinder wall and the outer cylinder wall in a direction perpendicular to the vibration direction are both greater than the gap between the cylindrical side wall and the outer cylinder wall in a direction perpendicular to the vibration direction.

[0202] In some embodiments, the earphones further include a battery and a mainboard coupled to the transducer device, the adapter shell further includes an outer shell connected to the cylindrical side wall, and the battery or the mainboard is arranged on a side of the outer shell facing the transducer device.

[0203] In some embodiments, the headset also includes a functional component arranged on the housing and coupled to the battery and the mainboard, the functional component including a first circuit board, a second circuit board, an encoder, a tactile switch and a function key, the first circuit board and the second circuit board are stacked, the encoder is arranged on the first circuit board, the tactile switch is arranged on the second circuit board and is located on the side of the second circuit board facing the first circuit board, the function key includes a keycap and a key rod connected to the keycap, the keycap is located on the side of the first circuit board away from the second circuit board, the free end of the key rod away from the keycap is arranged opposite to the tactile switch, and the encoder is sleeved on the key rod; wherein, when the user rotates the key rod through the keycap, the key rod drives the encoder to generate a first input signal, and when the user presses the key rod through the keycap, the key rod triggers the tactile switch to generate a second input signal.

[0204] In some embodiments, the first input signal is used to control the volume increase / decrease of the headset; and / or, the second input signal is used to control any one of play / pause, song switching, device pairing, and power on / off of the headset.

[0205] In some embodiments, the earphones further include a pickup assembly and a switch assembly, the pickup assembly including a pivot connection block, a connecting rod, and a pickup, the pivot connection block being pivotally connected to the housing, one end of the connecting rod being connected to the pivot connection block, the pickup being arranged at the other end of the connecting rod, a recessed area being provided on a side of the pivot connection block facing away from the housing, and the switch assembly being arranged in the recessed area.

[0206] In some embodiments, a boss is provided at the bottom of the recessed area, and an annular groove is formed between the outer peripheral wall of the boss and the side wall of the recessed area. The switch assembly includes a switch circuit board, an elastic support member, a reinforcement ring and a button. The switch circuit board is arranged on the top of the boss. The elastic support member includes an integral annular fixing portion and an elastic support portion. The reinforcement ring is lined on the annular fixing portion along the circumference of the annular fixing portion. The annular fixing portion is fixed in the annular groove through the reinforcement ring. The elastic support portion is arranged in a dome shape, and the button is arranged on the elastic support portion.

[0207] Through the above method, in the earphones provided by the present application, a part of the movement shell is arranged into an inner and outer two-layer structure, and the inner cylindrical wall and the outer cylindrical wall are respectively used to accommodate the transducer device and form a rotational connection with the cylindrical side wall of the adapter shell in a manner of matching the shaft hole. The overall structure is simple and reliable.

[0208] In some embodiments, the earphones include a movement module, which includes a movement housing, a transducer device, a first vibration transmission plate, a vibration panel and a connector. The transducer device is suspended in the accommodating cavity of the movement housing through the first vibration transmission plate. The movement housing includes a first movement housing, a second movement housing and a surrounding edge. The first movement housing includes an inner cylinder wall and a first outer cylinder wall. The inner cylinder wall is located on the periphery of the transducer device. The first outer cylinder wall is located on the periphery of the inner cylinder wall and is spaced apart from the inner cylinder wall in a direction perpendicular to the vibration direction of the transducer device. The second movement housing is connected to the inner cylinder wall and is provided with a mounting hole. The vibration panel is located outside the movement housing and is used to contact the user's skin. One end of the connector is connected to the vibration panel, and the other end extends into the movement housing through the mounting hole and is connected to the transducer device. The surrounding edge is connected to the first outer cylinder wall and surrounds the vibration panel.

[0209] In some embodiments, the second movement housing includes a first end wall and a first cylindrical side wall connected to the first end wall, the first cylindrical side wall is located between the inner cylindrical wall and the first outer cylindrical wall, and is clamped with the inner cylindrical wall, and the mounting hole is provided on the first end wall.

[0210] In some embodiments, the second movement housing presses the peripheral area of the first vibration transmission plate against the inner cylinder wall.

[0211] In some embodiments, the side of the vibration panel facing away from the transducer device includes a skin contact area for contacting the user's skin and an edge area connected to the skin contact area, the edge area is located on the periphery of the skin contact area and is spaced apart from the skin contact area in the vibration direction, the surrounding edge includes a connecting portion that is clamped with the first outer tube wall and a limiting portion connected to the connecting portion, the connecting portion is cylindrical and located on the periphery of the first outer tube wall, the limiting portion is located on the side of the vibration panel facing away from the transducer device, and when viewed along the vibration direction, the limiting portion overlaps with the edge area and is staggered with the skin contact area, and in a non-worn state, the skin contact area protrudes in the vibration direction from the side of the limiting portion facing away from the transducer device.

[0212] In some embodiments, the side of the vibration panel facing away from the transducer device also includes an air conduction enhancement area connected between the skin contact area and the edge area, and the air conduction enhancement area is at least partially not in contact with the user's skin. The vibration panel drives the air outside the earphone to vibrate through the air conduction enhancement area to form sound waves.

[0213] In some embodiments, the air conduction enhanced area is at least partially inclined relative to the skin contact area, and the inclination angle of the air conduction enhanced area relative to the skin contact area is between 0 and 75°;

[0214] And / or, the width of the orthographic projection of the air conduction enhanced area along the vibration direction is greater than or equal to 1 mm.

[0215] In some embodiments, the earphones further include an adapter shell rotatably connected to the movement shell, and the surround further includes a flange portion connected to the connecting portion, and the flange portion is at least partially spaced apart from the adapter shell in the vibration direction. When viewed along the vibration direction, the flange portion is located on the periphery of the first outer cylinder wall and overlaps with the adapter shell.

[0216] In some embodiments, in a non-worn state, with the axis of rotation of the movement housing relative to the adapter housing as the starting point, the gap between the flange portion and the adapter housing in the vibration direction gradually increases along a reference direction, and the reference direction is defined as a direction perpendicular to the vibration direction and the direction of the axis and away from the axis.

[0217] In some embodiments, a maximum gap between the flange portion and the adapter housing in the vibration direction is between 2 mm and 5 mm.

[0218] In some embodiments, when viewed along the direction of the axis, the flange portion is arranged in an arc shape on one side facing the adapter housing.

[0219] In some embodiments, the first movement housing further includes a second outer cylinder wall and a reinforcing column, the second outer cylinder wall is located on the periphery of the inner cylinder wall, and is spaced apart from the inner cylinder wall in a direction perpendicular to the vibration direction of the transducer device, the second outer cylinder wall extends in the opposite direction of the first outer cylinder wall, the reinforcing column connects the second outer cylinder wall and the inner cylinder wall, the adapter housing includes a second cylindrical side wall, the second cylindrical side wall is located on the periphery of the second outer cylinder wall, one of the reinforcing column and the second cylindrical side wall is provided with an axial hole, and the other is provided with a rotating shaft that cooperates with the axial hole, and the rotating shaft is embedded in the axial hole to allow the movement housing to rotate relative to the adapter housing.

[0220] In some embodiments, the first movement shell further includes a transition wall and a cover plate connected between the inner tube wall and the second outer tube wall, the cover plate and the transition wall are spaced apart in the vibration direction, and together with the second outer tube wall and the inner tube wall form a Helmholtz resonance cavity, the Helmholtz resonance cavity is connected to the accommodating cavity to absorb the sound energy of the sound waves generated by the air in the accommodating cavity vibrating with the transducer device.

[0221] In some embodiments, viewed along the vibration direction, the second outer cylindrical wall is located outside the first outer cylindrical wall and inside the flange portion, so as to allow the flange portion to overlap with the second cylindrical side wall.

[0222] In some embodiments, the transition wall includes a first sub-transition wall and a second sub-transition wall, the first sub-transition wall connects the inner cylinder wall and the first outer cylinder wall, the second sub-transition wall connects the first outer cylinder wall and the second outer cylinder wall, the second sub-transition wall and the first sub-transition wall are spaced apart from each other in the vibration direction, and the second sub-transition wall is closer to the vibration panel than the first sub-transition wall.

[0223] In the above manner, in the earphones provided in the present application, the first shell of the movement shell is arranged as an inner and outer two-layer structure, the inner cylindrical wall of the first shell is used to accommodate the transducer device and is connected to the second shell, and the outer cylindrical wall of the first shell is used to be connected to the surrounding edge, so that in the process of assembling the earphones, the second shell and the surrounding edge are successively connected to the inner cylindrical wall and outer cylindrical wall of the first shell respectively. The overall structure is simple and reliable, and the assembly efficiency is also high.

[0224] In some embodiments, the connecting wire assembly includes a conductive wire and an auxiliary wire connected to the conductive wire. When the conductive wire is deformed under the tensile action of an external force, the auxiliary wire is elastically deformed. After the external force is released, the auxiliary wire provides an elastic recovery force, and the elastic recovery force is used to drive the conductive wire to return to its pre-deformation shape.

[0225] In some embodiments, the guide wire is divided into a telescopic segment and natural segments located at both ends of the telescopic segment, and the elastic coefficient of the telescopic segment is between the elastic coefficient of the natural segment and the elastic coefficient of the auxiliary line.

[0226] In some embodiments, the telescopic section is a portion of the guide wire that spirally extends around at least a portion of the auxiliary wire.

[0227] In some embodiments, in a natural state, a ratio between the length of the telescopic section and the length of the wire is between 0.1 and 0.5.

[0228] In some embodiments, the auxiliary line includes an elastic body and rings located at both ends of the elastic body, each of the rings is respectively mounted on the corresponding natural segment and is stopped by a limiting structure on the natural segment in the rebound direction of the telescopic segment.

[0229] In some embodiments, the limiting structure is a protrusion integrally connected to the insulating layer of the conductive wire, or is a knot formed by knotting the natural segment.

[0230] In some embodiments, the earphones include a headband assembly and a movement module, the headband assembly includes an arc-shaped headband member, an adapter and the above-mentioned connecting wire assembly, the arc-shaped headband member is used to bypass the user's head, the two ends of the adapter are respectively connected to the arc-shaped headband member and the movement module, and can extend or retract the arc-shaped headband member under the action of external force to allow the movement module to approach or move away from the arc-shaped headband member in the extension direction of the headband assembly, the connecting wire assembly extends along the arc-shaped headband member, and extends as the adapter is extended or rebounds as the adapter is retracted, and the wire is electrically connected to the movement module.

[0231] In some embodiments, the guide wire is divided into a telescopic section and natural sections located at both ends of the telescopic section, and the middle area of the telescopic section is fixed to the arc-shaped head beam member.

[0232] In some embodiments, the head beam assembly further includes a pressing member clamped with the arc-shaped head beam member, and the pressing member presses the middle area of the telescopic section onto the arc-shaped head beam member.

[0233] In some embodiments, the pressing member includes a pressing portion and a clamping portion located at both ends of the pressing portion, each of the clamping portions is bent relative to the pressing portion, and the two clamping portions extend in the same direction toward one side of the pressing portion and can approach each other under the action of external force. The pressing portion is used to press the middle area of the telescopic section, and the clamping portion is used to clamp with the arc-shaped head beam member.

[0234] In the above manner, in the connecting wire assembly provided by the present application, by setting an auxiliary wire that cooperates with the conductive wire, after the conductive wire and the auxiliary wire are stretched, the auxiliary wire can assist the conductive wire to return to its shape before stretching, so as to facilitate the conductive wire to be stretched again. The overall structure is simple and reliable.

[0235] In some embodiments, the movement module includes a movement housing, a transducer device, a first vibration transmission plate and a vibration panel. The transducer device is suspended in the accommodating cavity of the movement housing through the first vibration transmission plate, and includes a bracket, a second vibration transmission plate, a magnetic circuit system and a coil. The bracket is connected to the movement housing through the first vibration transmission plate, the second vibration transmission plate is connected to the first vibration transmission plate through the bracket, the magnetic circuit system is connected to the central area of the second vibration transmission plate to suspend the magnetic circuit system in the accommodating cavity, the coil extends into the magnetic gap of the magnetic circuit system along the vibration direction of the transducer device, and the magnetic gap surrounds the position where the magnetic circuit system is connected to the second vibration transmission plate. The vibration panel is connected to the bracket and is used to transmit the mechanical vibration generated by the transducer device to the user.

[0236] In some embodiments, the magnetic circuit system includes a magnetic cover and a magnet connected to the bottom of the magnetic cover, the magnet is connected to the central area of the second vibration transmission plate, and is spaced apart from the side wall of the magnetic cover in a direction perpendicular to the vibration direction to form the magnetic gap, and the side wall of the magnetic cover and the second vibration transmission plate are spaced apart in the vibration direction to form a channel connecting the magnetic gap and the outside of the magnetic circuit system.

[0237] In some embodiments, the magnet includes a first magnetic member, a magnetic conductive member, and a second magnetic member stacked along the vibration direction, the second magnetic member is closer to the second vibration transmission plate than the first magnetic member, the first magnetic member and the second magnetic member have different magnetization directions, and the side wall of the magnetic conductive cover at least overlaps with the magnetic conductive member when projected onto the outer peripheral surface of the magnet along a direction perpendicular to the vibration direction.

[0238] In some embodiments, the coil at least overlaps with the magnetic conductive member when projected onto the outer peripheral surface of the magnet along a direction perpendicular to the vibration direction.

[0239] In some embodiments, the bracket includes a first bracket and a second bracket, the first bracket is connected to the central area of the first vibration transmission plate, the second bracket is connected to the peripheral area of the second vibration transmission plate, the second bracket and the vibration panel are respectively connected to the first bracket, and the coil is connected to the second bracket.

[0240] In some embodiments, the transducer device further includes a suspension, which is connected to the central area of the second vibration transmission plate, the second bracket is located at the periphery of the suspension and is spaced apart from the suspension in a direction perpendicular to the vibration direction, and the magnetic circuit system is connected to the suspension.

[0241] In some embodiments, the first bracket and the first vibration transmission plate are integrally formed through a metal insert injection molding process, and the second bracket and the second vibration transmission plate are integrally formed through a metal insert injection molding process. One of the first bracket and the second bracket is provided with a connector hole, and the other is provided with a connector post embedded in the connector hole, and the connector post extends into the connector hole.

[0242] In some embodiments, the movement housing includes an inner tube wall and a first end wall and a second end wall respectively connected to the two ends of the inner tube wall, the first end wall and the second end wall are respectively located on opposite sides of the transducer device in the vibration direction, and are surrounded by the inner tube wall to form the accommodating cavity, the first end wall is provided with a mounting hole, the vibration panel is located outside the movement housing, the movement module also includes a connecting member, one end of the connecting member is connected to the vibration panel, and the other end extends into the movement housing through the mounting hole and is connected to the bracket; wherein, observed along the vibration direction, the area of the vibration panel is larger than the area of the mounting hole, and the area of the mounting hole is larger than the area of the connecting member.

[0243] In some embodiments, the accommodating cavity is connected to the outside of the movement module only through a channel, and the channel is a gap between the connecting member and the wall surface of the mounting hole;

[0244] Alternatively, the accommodating cavity is connected to the outside of the movement module only through a first channel and a second channel, the first channel being a gap between the connecting member and the wall surface of the mounting hole, and the second channel being connected to the outside of the movement module via an acoustic filter;

[0245] Alternatively, the accommodating cavity is connected to the outside of the movement module only through a first channel and a second channel, the first channel is the gap between the connecting part and the wall of the mounting hole, and the ratio of the opening area of the second channel to the opening area of the first channel is less than or equal to 10%.

[0246] In some embodiments, the accommodating cavity is connected to the outside of the movement module through a channel, and the channel is a gap between the connecting member and the wall of the mounting hole. The movement module also includes a sealing film, and the sealing film seals the channel.

[0247] In some embodiments, the sealing membrane includes a first connecting portion, a pleated portion, and a second connecting portion that are integrally connected, the pleated portion forming a recessed area between the first connecting portion and the second connecting portion, the first connecting portion being connected to the first end wall, and the second connecting portion being connected to the connecting member or the vibration panel.

[0248] In some embodiments, when viewed along the vibration direction, a ratio of a difference between an area of the mounting hole and an area of the connecting member to an area of the mounting hole is greater than 0 and less than or equal to 0.5.

[0249] In some embodiments, a gap between the connecting member and a wall surface of the mounting hole is greater than or equal to 0.1 mm and less than or equal to 1 mm.

[0250] In some embodiments, the earphones include a supporting assembly and the aforementioned core module, wherein the supporting assembly is connected to the core module and is used to support the core module to be worn in the wearing position.

[0251] Through the above method, compared with the related art in which the side wall of the magnetic shield of the magnetic circuit system is connected to the peripheral area of the second vibration transmission plate through a cylindrical connector, in the movement module provided by the present application, since the magnetic circuit system is connected to the central area of the second vibration transmission plate, the magnetic circuit system does not need to be provided with a cylindrical connector connected to the peripheral area of the second vibration transmission plate, that is, the aforementioned cylindrical connector is eliminated to allow the inside and outside of the transducer device to have a larger connecting area, which is conducive to suppressing the acoustic cavity effect and thereby improving the sound leakage of the earphones.

[0252] In some embodiments, the earphones include a supporting assembly and a movement module connected to the supporting assembly, the supporting assembly is used to support the movement module to be worn to the wearing position, the movement module includes a movement housing, a transducer and a vibration panel, the transducer is arranged in the accommodating cavity of the movement housing, the vibration panel is connected to the transducer and is used to transmit the mechanical vibration generated by the transducer to the user, in the wearing state, and observed along the direction of the human body's coronal axis, the center of the vibration panel facing the wearing position side is closer to the external auditory canal of the user's ear in the direction of the human body's sagittal axis than the center of the movement housing facing the wearing position side.

[0253] In some embodiments, the center of the vibration panel projected onto the movement housing along the vibration direction of the transducer device coincides with the center of the transducer device projected onto the movement housing along the vibration direction, and the center of the transducer device projected onto the movement housing along the vibration direction does not coincide with the center of the movement housing on the side facing the transducer device in the vibration direction.

[0254] In some embodiments, the center of the movement housing when the transducer device is projected onto the movement housing along the vibration direction of the transducer device coincides with the center of the movement housing on the side facing the transducer device in the vibration direction, and the center of the vibration panel when projected onto the movement housing along the vibration direction does not coincide with the center of the movement housing when the transducer device is projected onto the movement housing along the vibration direction.

[0255] In some embodiments, the earphones further include a transfer shell connecting the movement shell and the support assembly, the transfer shell including a cylindrical side wall located outside the movement shell, the movement shell and the cylindrical side wall having a first center and a second center in their orthographic projections on a reference plane perpendicular to the vibration direction of the transducer device, respectively, and in a worn state, the first center is closer to the external auditory canal of the user's ear than the second center.

[0256] In some embodiments, the movement housing rotates around a first axis relative to the adapter housing, and the first center and the second center are spaced apart along a direction where the first axis lies.

[0257] In some embodiments, the first center and the second center are on the first axis.

[0258] In some embodiments, the adapter housing rotates relative to the support assembly about a second axis, and the second axis intersects the first axis.

[0259] In some embodiments, the earphones further include a battery and a mainboard coupled to the transducer device, the adapter shell further includes a middle plate connected to the inner side of the cylindrical side wall and an outer shell snapped together with the cylindrical side wall, the battery or the mainboard is arranged between the outer shell and the middle plate, and the movement shell is located on the side of the middle plate facing away from the outer shell.

[0260] In some embodiments, the support assembly is configured as a headband assembly, which is used to bypass the top of the user's head and enable the vibration panel to contact the user's cheek. When worn, the headband assembly forms a first contact point with the top of the user's head, and the vibration panel forms a second contact point with the user's cheek. The distance between the second contact point and the first contact point in the direction of the human body's sagittal axis is between 20 mm and 30 mm.

[0261] In some embodiments, the headband assembly includes an arc-shaped headband member and an adapter member, the arc-shaped headband member is used to bypass the top of the user's head, the adapter member includes a first connecting section, an intermediate transition section and a second connecting section, the intermediate transition section connects the first connecting section and the second connecting section, the first connecting section and the second connecting section are respectively bent relative to the intermediate transition section and extend in the opposite direction, the first connecting section is connected to the arc-shaped headband member, and the second connecting section is connected to the adapter shell; wherein, when observed along the direction of the human body's coronal axis, the intermediate transition section is inclined relative to the human body's vertical axis.

[0262] In the above manner, in the earphones provided by the present application, the center of the vibration panel on the side facing the wearing position is closer to the external auditory canal of the user's ear in the direction of the human body's sagittal axis than the center of the movement shell on the side facing the aforementioned wearing position, that is, the vibration panel is arranged to be offset relative to the movement shell, so that the movement module vibrates at the aforementioned wearing position to generate sound waves, and the sound waves can be transmitted to the user's central nervous system via the shortest path, so that the transmission efficiency of the sound waves is higher and the sound loss is less.

[0263] In some embodiments, the headset includes a headband assembly and a movement module connected to the headband assembly, the headband assembly is used to bypass the top of the user's head and make the movement module contact the user's cheek, thereby allowing the movement module to transmit the mechanical vibration generated by the movement module in a bone conduction manner. In the wearing state, the headband assembly forms a first contact point with the top of the user's head, the movement module forms a second contact point with the user's cheek, and the headband assembly also forms a third contact point with the user's head. The third contact point is between the first contact point and the second contact point in the direction of the vertical axis of the human body.

[0264] In some embodiments, when the headband assembly forms the third contact point with the user's head, at least a portion of the headband assembly between the first contact point and the second contact point does not contact the user's head.

[0265] In some embodiments, the headband assembly forms the third contact points with both sides of the user's head respectively.

[0266] In some embodiments, both ends of the headband assembly are respectively connected to a movement module, and each movement module forms the second contact point with the user's cheek.

[0267] In some embodiments, when in a wearing state, the earphone applies a pressing force directed toward the user's head at the first contact point, the second contact point, and the third contact point, respectively.

[0268] In some embodiments, the compression force at the second contact point is between 0.2N and 2N, and the compression force at the third contact point is between 0.3N and 2N.

[0269] In some embodiments, the headband assembly includes an arc-shaped headband component and two auxiliary components connected to the arc-shaped headband component, the arc-shaped headband component is used to bypass the top of the user's head, and the movement module is connected to the arc-shaped headband component. When worn, the two auxiliary components form the third contact point with both sides of the user's head respectively.

[0270] In some embodiments, the auxiliary part is elastic so that when the headset is worn by users with different head sizes, the auxiliary part undergoes different degrees of elastic deformation so that the change in the pressing force at the second contact point is less than or equal to 0.2N.

[0271] In some embodiments, the head beam assembly further includes an adapter connecting the arc-shaped head beam member and the movement module, the adapter allowing the movement module to approach or move away from the arc-shaped head beam member in the extension direction of the head beam assembly, the arc-shaped head beam member providing a first pressing force for the movement module in a first use state, and providing a second pressing force for the movement module in a second use state, the auxiliary member being configured such that an absolute value of a difference between the second pressing force and the first pressing force is between 0 and 0.1 N;

[0272] Among them, the first usage state is defined as a usage state in which each of the adapters has a first extension relative to the arc-shaped head beam component, and a first spacing is provided between the movement modules at both ends of the head beam assembly; the second usage state is defined as a usage state in which each of the adapters has a second extension relative to the arc-shaped head beam component, and a second spacing is provided between the movement modules at both ends of the head beam assembly, the second extension is greater than the first extension, and the second spacing is greater than the first spacing.

[0273] In some embodiments, the first pressing force and the second pressing force are respectively between 0.4N and 0.8N.

[0274] In some embodiments, when the movement module is closest to the arc-shaped head beam component, the first extension amount takes a minimum value; when the movement module is farthest from the arc-shaped head beam component, the second extension amount takes a maximum value.

[0275] In some embodiments, in a natural state, the headband assembly has a first reference plane and a second reference plane orthogonal to each other, the two auxiliary parts are symmetrically arranged relative to the first reference plane, the second reference plane passes through the highest point and two end points of the arc-shaped headband part, and projects the arc-shaped headband part and the auxiliary part onto the second reference plane. In the second reference plane, the line between the fixed end and the free end of the auxiliary part has a first projection component in a first reference direction parallel to the line between the two end points, and has a second projection component in a second reference direction perpendicular to the line between the two end points, and the ratio of the second projection component to the first projection component is between 1 and 5; and / or the equivalent elastic coefficient of the auxiliary part is between 100 N / m and 180 N / m.

[0276] In some embodiments, in a natural state, the arc-shaped head beam is projected onto the second reference plane, and a rectangular coordinate system is established in the second reference plane. The rectangular coordinate system takes the highest point as the coordinate origin, a straight line passing through the coordinate origin and parallel to the line connecting the two endpoints as the x-axis, and a straight line passing through the coordinate origin and perpendicular to the x-axis as the y-axis. The curve of the arc-shaped head beam from any of the endpoints to the highest point satisfies the following relationship:

[0277] x=±(-2.63472525·10 15 ·y 10 +1·41380284·10 12 ·y 9 -3.25586957·10 10 ·y 8 +4.2058788·10 8 ·y 7 -3.34381129·10 6 ·y 6 +1.69016414·10 4 ·y 5 -5.42625713·10 3 ·y 4 +1.07794891·10 1 ·y 3 -1.27679777·y 2 +9.70381438·y+2.61).

[0278] Wherein, the thickness of the auxiliary part is less than or equal to 4 mm, and the gap between the auxiliary part and the arc-shaped head beam part is greater than or equal to 10 mm.

[0279] In some embodiments, each of the auxiliary parts is respectively fixed to one end portion of the arc-shaped head beam part, and the line between any of the endpoints of the arc-shaped head beam part and the highest point has a third projection component in a first reference direction parallel to the line connecting the two endpoints, and has a fourth projection component in a second reference direction perpendicular to the line connecting the two endpoints, and the ratio between the second projection component and the fourth projection component is between 0.1 and 0.5.

[0280] In some embodiments, each of the auxiliary members is cantilevered relative to the arc-shaped head beam member.

[0281] In some embodiments, in the head-down state, the pressing force at the first contact point forms a first resistance torque relative to the second contact point, the pressing force at the third contact point forms a second resistance torque relative to the second contact point, the pressing force at the second contact point forms a third resistance torque relative to the contact surface of the movement module and the user's cheek when the headband assembly includes the auxiliary component, and the pressing force at the second contact point forms a fourth resistance torque relative to the contact surface of the movement module and the user's cheek when the headband assembly does not include the auxiliary component. The resultant torque formed by the first resistance torque, the second resistance torque and the third resistance torque is greater than the resultant torque formed by the first resistance torque and the fourth resistance torque.

[0282] In some embodiments, in a natural state, the headband assembly has a first reference plane and a second reference plane orthogonal to each other, the two auxiliary parts are symmetrically arranged relative to the first reference plane, the second reference plane passes through the highest point and two end points of the arc-shaped headband part, and the arc-shaped headband part and the auxiliary part are projected onto the second reference plane. Within the second reference plane, the distance between the fixed end of the auxiliary part connected to the arc-shaped headband part and the movement module adjacent to the auxiliary part has a projection component in the second reference direction perpendicular to the line connecting the two end points that is between 40 mm and 120 mm.

[0283] In some embodiments, the auxiliary part extends to the middle area of the arc-shaped head beam part. In a natural state, the head beam assembly has a first reference plane and a second reference plane orthogonal to each other. The two auxiliary parts are symmetrically arranged relative to the first reference plane. The second reference plane passes through the highest point and two end points of the arc-shaped head beam part, and the arc-shaped head beam part and the auxiliary part are projected onto the second reference plane. In the second reference plane, the fixed end of the auxiliary part connected to the arc-shaped head beam part has a first distance from the highest point in a reference direction perpendicular to the line connecting the two end points, and the position where the movement module is connected to the head beam assembly has a second distance from the highest point in the reference direction. The ratio of the first distance to the second distance is between 1 / 3 and 1 / 2.

[0284] In some embodiments, the auxiliary part extends toward the end of the arc-shaped head beam part. In a natural state, the head beam assembly has a first reference plane and a second reference plane orthogonal to each other. The two auxiliary parts are symmetrically arranged relative to the first reference plane. The second reference plane passes through the highest point and two end points of the arc-shaped head beam part, and the arc-shaped head beam part and the auxiliary part are projected onto the second reference plane. In the second reference plane, the fixed end of the auxiliary part connected to the arc-shaped head beam part has a third distance from the highest point in a reference direction perpendicular to the line connecting the two end points, and the position where the movement module is connected to the head beam assembly has a fourth distance from the highest point in the reference direction. The ratio of the third distance to the fourth distance is between 1 / 5 and 1 / 3.

[0285] In some embodiments, the auxiliary part includes a fixed part, a first extension part connected to the fixed part, and a second extension part connected to the first extension part, the fixed part is connected to the arc-shaped head beam part, the first extension part and the second extension part are located on the side of the arc-shaped head beam part facing the user's head in the worn state, and are spaced apart from the arc-shaped head beam part in the natural state, the width of the second extension part is greater than the width of the first extension part, and the second extension part is used to form the third contact point with the user's head in the worn state.

[0286] In some embodiments, the auxiliary component is detachably connected to the arc-shaped head beam component.

[0287] In some embodiments, the area where the second extension contacts the user's head is between 2 cm 2 With 8cm 2 between.

[0288] In some embodiments, the coefficient of friction of the second extension is greater than the coefficient of friction of the first extension.

[0289] In some embodiments, in the worn state and viewed along the direction of the vertical axis of the human body, the second extension portions of the two auxiliary parts are close to each other toward the back of the user's head.

[0290] In some embodiments, in a natural state, the headband assembly has a first reference plane and a second reference plane that are orthogonal to each other, the two auxiliary parts are symmetrically arranged relative to the first reference plane, the second reference plane passes through the highest point and two end points of the arc-shaped headband part, and the angle between the average normal of the second extension portion of each auxiliary part and the second reference plane is between 5 degrees and 10 degrees.

[0291] In some embodiments, the headset includes a headband assembly and a movement module connected to the headband assembly, the headband assembly is used to bypass the top of the user's head and make the movement module contact the user's cheek, thereby allowing the movement module to transmit the mechanical vibration generated by the movement module in a bone conduction manner. In the wearing state, the movement module forms a first contact point with the user's cheek and applies a first pressing force to the user's head, the headband assembly forms a second contact point with the user's head and applies a second pressing force to the user's head, and the second contact point is closer to the top of the user's head in the direction of the vertical axis of the human body than the first contact.

[0292] In some embodiments, when the headband assembly applies the second pressing force to the user's head at the second contact point, at least a portion of the headband assembly between the second contact point and the top of the user's head does not contact the user's head.

[0293] In some embodiments, the compression force at the first contact point is between 0.2N and 2N, and the compression force at the second contact point is between 0.3N and 2N.

[0294] In some embodiments, the headband assembly includes an arc-shaped headband component and two auxiliary components connected to the arc-shaped headband component, the arc-shaped headband component is used to bypass the top of the user's head, and the movement module is connected to the arc-shaped headband component. In the wearing state, the two auxiliary components form the second contact points with both sides of the user's head respectively, and the auxiliary components are elastic, so that when the earphones are worn by users with different head sizes, the auxiliary components undergo different degrees of elastic deformation, so that the change in the first clamping force is less than or equal to 0.2N.

[0295] In some embodiments, in the head-lowering state, the second pressing force forms a first resistance torque relative to the first contact point, and the pressing force at the first contact point forms a second resistance torque relative to the contact surface of the movement module and the user's cheek when the headband assembly includes the auxiliary component. The pressing force at the first contact point forms a third resistance torque relative to the contact surface of the movement module and the user's cheek when the headband assembly does not include the auxiliary component, and the resultant torque formed by the first resistance torque and the second resistance torque is greater than the third resistance torque.

[0296] Through the above method, the earphones provided in the present application not only transmit the mechanical vibrations generated by the movement module in a bone conduction manner, but are also worn by the user in a head-mounted manner, that is, a new head-mounted bone conduction earphone that is different from the ear-hook bone conduction earphone. On this basis, a third contact point is further formed between the first contact point formed by the headband assembly and the top of the user's head and the second contact point formed by the movement module and the user's cheek, so that in the head-down state, the movement module generates a resistance torque under the action of friction due to contact with the user's cheek, the headband assembly generates another resistance torque under the action of friction due to contact with the top of the user's head, and the headband assembly generates another resistance torque under the action of friction due to contact with other places other than the top of the user's head. The combined torque of the above three resistance torques is greater than the combined torque of the above two resistance torques, making it easier to overcome the gravity torque of the earphones in the head-down state, thereby improving the reliability of the earphones in wearing.

[0297] In some embodiments, the earphones include a supporting assembly and a movement module connected to the supporting assembly, the supporting assembly being used to support the movement module so as to be worn to a wearing position, the movement module including a movement housing, a transducer, a vibration panel and a surround, the transducer being arranged in a receiving cavity of the movement housing, the vibration panel being connected to the transducer and being used to transmit the mechanical vibration generated by the transducer to a user, the surround being connected to the movement housing, the projection of the surround in a reference plane surrounding the periphery of the projection of the vibration panel in the reference plane, the reference plane being perpendicular to the vibration direction of the transducer; wherein, a side of the movement housing close to the vibration panel is surrounded by the vibration panel and the surround to form a cavity, the surround being provided with a connecting hole connecting the cavity with the outside of the movement module, so that in a wearing state, the cavity is connected with the outside of the movement module through the connecting hole.

[0298] In some embodiments, when the device is worn, at least a portion of the surrounding edge and the vibration panel contact the user's skin.

[0299] In some embodiments, there is a target frequency range with an interval length of at least 1 / 3 octave within the frequency range of 500 Hz to 4 kHz. Within the target frequency range, the sound leakage generated by the earphone when being worn when the connecting hole is in an open state is weaker than the sound leakage generated by the earphone when being worn when the connecting hole is in a closed state.

[0300] In some embodiments, the target frequency range is 1 kHz to 2 kHz.

[0301] In some embodiments, there are multiple communicating holes, and the opening rate of the communicating holes on the surrounding edge is greater than or equal to 30%.

[0302] In some embodiments, there is at least one communicating hole per square millimeter of unit area on the surrounding edge.

[0303] In some embodiments, the surrounding edge is made of plastic, and the wall thickness of the surrounding edge is between 0.2 mm and 1 mm.

[0304] In some embodiments, the surrounding edge is made of plastic, and the wall thickness of the portion of the surrounding edge that is in contact with the user's skin is greater than 1 mm.

[0305] In some embodiments, the plastic part is formed on a metal frame by injection molding.

[0306] In some embodiments, the surrounding edge is made of metal, so as to allow the opening rate of the communicating hole on the surrounding edge to be greater than or equal to 60%.

[0307] In some embodiments, the surrounding edge is a wire mesh.

[0308] In some embodiments, the movement housing is a first plastic component, the surrounding edge is connected to the movement housing via a second plastic component, and the second plastic component and the metal component are integrally formed by an injection molding process.

[0309] In some embodiments, the movement module includes a first vibration transmission plate and a connecting member, the transducer device is suspended in the accommodating cavity through the first vibration transmission plate, the movement shell includes an inner tube wall, and a first end wall and a second end wall respectively connected to the two ends of the inner tube wall, the first end wall and the second end wall are respectively located on opposite sides of the transducer device in the vibration direction, and are surrounded by the inner tube wall to form the accommodating cavity, the first end wall is provided with a mounting hole, the vibration panel is located outside the movement shell, one end of the connecting member is connected to the vibration panel, and the other end extends into the movement shell through the mounting hole and is connected to the transducer device, the surrounding edge is connected to the first end wall, and is surrounded by the first end wall and the vibration panel to form the cavity; wherein, observed along the vibration direction, the area of the vibration panel is larger than the area of the mounting hole, and the area of the mounting hole is larger than the area of the connecting member.

[0310] In some embodiments, when viewed along the vibration direction, a ratio of a difference between an area of the mounting hole and an area of the connecting member to an area of the mounting hole is greater than 0 and less than or equal to 0.5.

[0311] In some embodiments, the accommodating cavity is connected to the outside of the movement module through a channel, and the channel is a gap between the connecting member and the wall of the mounting hole. The movement module also includes a sealing film, and the sealing film seals the channel.

[0312] In some embodiments, the sealing membrane includes a first connecting portion, a pleated portion, and a second connecting portion that are integrally connected, the pleated portion forming a recessed area between the first connecting portion and the second connecting portion, the first connecting portion being connected to the first end wall, and the second connecting portion being connected to the connecting member or the vibration panel.

[0313] Through the above method, in the earphones provided by the present application, the side of the movement shell close to the vibration panel is surrounded by the vibration panel and the surrounding edge to form a cavity, so that the accommodating cavity of the movement shell used to set the transducer device can be sealed as much as possible, thereby preventing the air in the aforementioned accommodating cavity from leaking out due to the vibration of the transducer device. On this basis, a connecting hole connecting the aforementioned cavity with the outside of the movement module is further opened on the surrounding edge, so that in the wearing state, the aforementioned cavity is connected to the outside of the movement module through the connecting hole, so that the sound leakage generated by the air in the aforementioned cavity due to the vibration of the transducer device can be offset in anti-phase with the sound leakage generated by the movement shell due to the vibration of the transducer in the far field, or the sound leakage generated by the movement shell itself due to the vibration of the transducer can be offset in anti-phase in the far field, thereby reducing the sound leakage of the earphones.

[0314] In some embodiments, the earphones include a supporting assembly and a movement module connected to the supporting assembly, the supporting assembly being used to support the movement module to be worn to a wearing position, the movement module including a movement housing, a transducer, a vibration panel and a surround, the transducer being arranged in a receiving cavity of the movement housing, the vibration panel being connected to the transducer and being used to transmit the mechanical vibration generated by the transducer to the user, the surround being connected to the movement housing, the projection of the surround in a reference plane surrounding the periphery of the projection of the vibration panel in the reference plane, the reference plane being perpendicular to the vibration direction of the transducer; wherein, a side of the movement housing close to the vibration panel is arranged to form a cavity with the vibration panel and the surround, and the outer surface of the surround facing the user's skin in a wearing state has an uneven area, so that the surround is not completely in contact with the user's skin when in contact, thereby allowing the cavity to communicate with the outside of the movement module.

[0315] In some embodiments, a groove is provided on the outer surface of the surrounding edge, and the cavity is connected to the outside of the movement module through the groove.

[0316] In some embodiments, the projection of the surrounding edge in the reference plane has a long axis direction and a short axis direction that are orthogonal to each other, the size of the surrounding edge in the long axis direction is larger than the size of the surrounding edge in the short axis direction, the number of the grooves is multiple, and the multiple grooves are divided into four groups, two groups of the grooves are respectively arranged at intervals along the long axis direction, and the other two groups of the grooves are respectively arranged at intervals along the short axis direction, and the number of the grooves in each group arranged at intervals along the long axis direction is greater than the number of the grooves in each group arranged at intervals along the short axis direction.

[0317] In some embodiments, a protrusion is provided on the outer surface of the surround, and the protrusion forms a gap between the surround and the user's skin when worn, and the cavity is connected to the outside of the movement module through the gap.

[0318] In some embodiments, there are multiple protrusions, and the multiple protrusions make the gaps form a grid.

[0319] In some embodiments, there is a target frequency range with an interval length of at least 1 / 3 octave within the frequency range of 500 Hz to 4 kHz, and within the target frequency range, when the outer surface of the surround has uneven areas, the sound leakage generated by the earphones when worn is weaker than the sound leakage generated by the earphones when worn when the outer surface of the surround does not have uneven areas.

[0320] In some embodiments, the target frequency range is 1 kHz to 2 kHz.

[0321] In some embodiments, the height difference of the uneven area is between 0.5 mm and 5 mm.

[0322] In some embodiments, the surrounding edge is provided with a connecting hole connecting the cavity with the outside of the movement module, so that in the wearing state, the cavity is further connected with the outside of the movement module through the connecting hole.

[0323] In some embodiments, there are multiple communicating holes, and the opening rate of the communicating holes on the surrounding edge is greater than or equal to 30%.

[0324] In some embodiments, the movement module includes a first vibration transmission plate and a connecting member, the transducer device is suspended in the accommodating cavity through the first vibration transmission plate, the movement shell includes an inner tube wall, and a first end wall and a second end wall respectively connected to the two ends of the inner tube wall, the first end wall and the second end wall are respectively located on opposite sides of the transducer device in the vibration direction of the transducer device, and are surrounded by the inner tube wall to form the accommodating cavity, the first end wall is provided with a mounting hole, the vibration panel is located outside the movement shell, one end of the connecting member is connected to the vibration panel, and the other end extends into the movement shell through the mounting hole and is connected to the transducer device, the surrounding edge is connected to the first end wall, and is surrounded by the first end wall and the vibration panel to form the cavity; wherein, observed along the vibration direction, the area of the vibration panel is larger than the area of the mounting hole, and the area of the mounting hole is larger than the area of the connecting member.

[0325] In some embodiments, when viewed along the vibration direction, a ratio of a difference between an area of the mounting hole and an area of the connecting member to an area of the mounting hole is greater than 0 and less than or equal to 0.5.

[0326] In some embodiments, the accommodating cavity is connected to the outside of the movement module through a channel, and the channel is a gap between the connecting member and the wall of the mounting hole. The movement module also includes a sealing film, and the sealing film seals the channel.

[0327] In some embodiments, the sealing membrane includes a first connecting portion, a pleated portion, and a second connecting portion that are integrally connected, the pleated portion forming a recessed area between the first connecting portion and the second connecting portion, the first connecting portion being connected to the first end wall, and the second connecting portion being connected to the connecting member or the vibration panel.

[0328] Through the above method, in the earphones provided by the present application, the side of the movement shell close to the vibration panel is surrounded by the vibration panel and the surrounding edge to form a cavity, so that the accommodating cavity of the movement shell used to set the transducer device can be sealed as much as possible, thereby preventing the air in the aforementioned accommodating cavity from leaking out due to the vibration of the transducer device. On this basis, the outer surface of the surrounding edge facing the user's skin in the wearing state has an uneven area, so that the surrounding edge does not completely fit the user's skin when in contact, thereby allowing the aforementioned cavity to be connected to the outside of the movement module, so that the sound leakage generated by the air in the aforementioned cavity due to the vibration of the transducer device can be offset in anti-phase with the sound leakage generated by the movement shell due to the vibration of the transducer device in the far field, or the sound leakage generated by the movement shell itself due to the vibration of the transducer device can be offset in anti-phase in the far field, thereby reducing the sound leakage of the earphones.

[0329] In some embodiments, the earphones include a supporting assembly and a movement module connected to the supporting assembly, the supporting assembly being used to support the movement module to be worn to a wearing position, the movement module including a movement housing, a transducer, a vibration panel and a surround, the transducer being arranged in a receiving cavity of the movement housing, the vibration panel being connected to the transducer and being used to transmit the mechanical vibration generated by the transducer to the user, the surround being connected to the movement housing, the projection of the surround in a reference plane surrounding the periphery of the projection of the vibration panel in the reference plane, the reference plane being perpendicular to the vibration direction of the transducer; wherein, a side of the movement housing close to the vibration panel is arranged to form a cavity with the vibration panel and the surround, and a porous structure is provided on the side of the surround facing the user's skin in the wearing state, so that in the wearing state, the porous structure at least partially contacts the user's skin together with the vibration panel, and allows the cavity to communicate with the outside of the movement module.

[0330] In some embodiments, there is a target frequency range with an interval length of at least 1 / 3 octave within the frequency range of 500 Hz to 4 kHz. Within the target frequency range, when the movement module has the porous structure, the sound leakage generated by the earphone when being worn is weaker than the sound leakage generated by the earphone when being worn when the movement module does not have the porous structure.

[0331] In some embodiments, the target frequency range is 1 kHz to 2 kHz.

[0332] In some embodiments, the porous structure includes a fixed layer and a porous main layer connected to the fixed layer, the porous structure is connected to the surrounding edge through the fixed layer, and the porous structure connects the cavity and the outside of the movement module through the porous main layer.

[0333] In some embodiments, the fixing layer is detachably connected to the surrounding edge.

[0334] In some embodiments, the fixing layer and the surrounding edge are connected by any one of magnetic, snap-fit, and adhesive methods.

[0335] In some embodiments, the fixing layer is cured glue, the porous structure includes a protective layer covering the porous main layer, and the porous structure is in contact with the user's skin through the protective layer.

[0336] In some embodiments, the protective layer is configured as a textile or a steel mesh.

[0337] In some embodiments, the porosity of the porous bulk layer is greater than or equal to 60%.

[0338] In some embodiments, the porous body layer is foam.

[0339] In some embodiments, the surrounding edge is provided with a connecting hole connecting the cavity with the outside of the movement module, so that in the wearing state, the cavity is further connected with the outside of the movement module through the connecting hole.

[0340] In some embodiments, there are multiple communicating holes, and the opening rate of the communicating holes on the surrounding edge is greater than or equal to 30%.

[0341] In some embodiments, the movement module includes a first vibration transmission plate and a connecting member, the transducer device is suspended in the accommodating cavity through the first vibration transmission plate, the movement shell includes an inner tube wall, and a first end wall and a second end wall respectively connected to the two ends of the inner tube wall, the first end wall and the second end wall are respectively located on opposite sides of the transducer device in the vibration direction of the transducer device, and are surrounded by the inner tube wall to form the accommodating cavity, the first end wall is provided with a mounting hole, the vibration panel is located outside the movement shell, one end of the connecting member is connected to the vibration panel, and the other end extends into the movement shell through the mounting hole and is connected to the transducer device, the surrounding edge and the first end wall and the vibration panel are surrounded to form the cavity; wherein, observed along the vibration direction, the area of the vibration panel is larger than the area of the mounting hole, and the area of the mounting hole is larger than the area of the connecting member.

[0342] In some embodiments, when viewed along the vibration direction, a ratio of a difference between an area of the mounting hole and an area of the connecting member to an area of the mounting hole is greater than 0 and less than or equal to 0.5.

[0343] In some embodiments, the accommodating cavity is connected to the outside of the movement module through a channel, and the channel is a gap between the connecting member and the wall of the mounting hole. The movement module also includes a sealing film, and the sealing film seals the channel.

[0344] In some embodiments, the sealing membrane includes a first connecting portion, a pleated portion, and a second connecting portion that are integrally connected, the pleated portion forming a recessed area between the first connecting portion and the second connecting portion, the first connecting portion being connected to the first end wall, and the second connecting portion being connected to the connecting member or the vibration panel.

[0345] Through the above method, in the earphones provided by the present application, the side of the movement shell close to the vibration panel is surrounded by the vibration panel and the surrounding edge to form a cavity, so that the accommodating cavity of the movement shell used to set the transducer device can be sealed as much as possible, thereby preventing the air in the aforementioned accommodating cavity from leaking out due to the vibration of the transducer device. On this basis, a porous structure is provided on the side of the surrounding edge facing the user's skin in the wearing state, so that in the wearing state, the porous structure at least partially contacts the user's skin together with the vibration panel, and allows the aforementioned cavity to be connected to the outside of the movement module, so that the sound leakage generated by the air in the aforementioned cavity due to the vibration of the transducer device can be offset in anti-phase with the sound leakage generated by the movement shell due to the vibration of the transducer device in the far field, or the sound leakage generated by the movement shell itself due to the vibration of the transducer device can be offset in anti-phase in the far field, thereby reducing the sound leakage of the earphones. BRIEF DESCRIPTION OF THE DRAWINGS

[0346] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0347] Figure 1 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0348] Figure 2 This is a structural diagram of an embodiment of the relative position relationship between the connector and the vibration panel in the earphone provided by the present application;

[0349] Figure 3 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0350] Figure 4 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0351] Figure 5 This is a structural diagram of an embodiment of a vibration panel provided by the present application;

[0352] Figure 6 This is a structural diagram of an embodiment of a vibration panel provided by the present application;

[0353] Figure 7 This is a structural diagram of an embodiment of a vibration panel provided by the present application;

[0354] Figure 8 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0355] Figure 9 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0356] Figure 10 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0357] Figure 11 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0358] Figure 12 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0359] Figure 13 This is a schematic structural diagram of an embodiment of the earphone provided by the present application in a wearing state;

[0360] Figure 14 This is a schematic structural diagram of an embodiment of the earphone provided by the present application in a wearing state;

[0361] Figure 15 This is a schematic structural diagram of an embodiment of the earphone provided by the present application in a wearing state;

[0362] Figure 16 This is a schematic structural diagram of an embodiment of the earphone provided by the present application in a wearing state;

[0363] Figure 17 This is a schematic structural diagram of an embodiment of the earphone provided by the present application in a wearing state;

[0364] Figure 18 It is a schematic diagram of the mechanical model of the cantilever beam bending deformation provided in the application;

[0365] Figure 19 This is a schematic diagram of a mechanical model of an embodiment of a headband assembly provided by the application;

[0366] Figure 20 yes Figure 12 A schematic diagram of the exploded structure of an embodiment of a middle earphone;

[0367] Figure 21 yes Figure 20 Schematic diagram of the decomposed structure of the middle earphone from another perspective;

[0368] Figure 22 yes Figure 20 A schematic diagram of the partial enlarged structure of the intermediate connector E1 area;

[0369] Figure 23 yes Figure 12 A schematic diagram of the exploded structure of an embodiment of a middle earphone;

[0370] Figure 24 yes Figure 12 A schematic diagram of the exploded structure of an embodiment of a middle earphone;

[0371] Figure 25 This is a schematic structural diagram of an embodiment of the earphone provided by the present application in a wearing state;

[0372] Figure 26 This is a schematic structural diagram of an embodiment of the earphone provided by the present application in a wearing state;

[0373] Figure 27 yes Figure 12 A schematic cross-sectional view of an embodiment of a middle earphone;

[0374] Figure 28 yes Figure 27 A schematic diagram of the cross-section structure of the middle earphone from another perspective;

[0375] Figure 29 yes Figure 27 A schematic diagram of the cross-section structure of the middle earphone from another perspective;

[0376] Figure 30 is a schematic cross-sectional structural diagram of an embodiment of an earphone provided by the present application;

[0377] Figure 31 is a schematic cross-sectional structural diagram of an embodiment of an earphone provided by the present application;

[0378] Figure 32 yes Figure 12 A schematic cross-sectional view of an embodiment of a middle earphone;

[0379] Figure 33 yes Figure 32 A schematic diagram of the cross-section structure of the middle earphone from another perspective;

[0380] Figure 34 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0381] Figure 35 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0382] Figure 36 This is a schematic diagram of an equivalent model of an embodiment of the earphone provided by this application;

[0383] Figure 37 This is a frequency response curve of the vibration panel of an embodiment of the earphone provided by the present application when not being worn;

[0384] Figure 38 The frequency response curve of the vibration panel of the earphone provided by the present application when the earphone is not worn and the first vibration transmitting plate has different stiffnesses;

[0385] Figure 39 The frequency response curve of the vibration panel of the earphone provided by the present application when the earphone is not worn and the second vibration transmitting plate has different stiffnesses;

[0386] Figure 40 The frequency response curve of the vibration panel of the earphones provided by this application when the earphones are not worn and the movement housing has different masses;

[0387] Figure 41 The frequency response curve of the vibration panel of the earphone provided by the present application when the earphone is not worn and the first and second vibration transmission plates have different stiffnesses;

[0388] Figure 42 : This is the frequency response curve of sound leakage of the two earphone embodiments provided in this application when not being worn;

[0389] Figure 43 This is a schematic structural diagram of the side of an earphone embodiment provided by the present application that faces the user's skin;

[0390] Figure 44 This is a schematic structural diagram of the side of an earphone embodiment provided by the present application that faces the user's skin;

[0391] Figure 45 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0392] Figure 46 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0393] Figure 47 yes Figure 46 A schematic structural diagram of an embodiment of a middle bracket;

[0394] Figure 48 yes Figure 12 A schematic diagram of the structure of an embodiment of a middle earphone facing the user's head;

[0395] Figure 49 This is a schematic diagram of the mechanical model of the earphones provided by this application in different wearing methods;

[0396] Figure 50 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0397] Figure 51 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0398] Figure 52 This is a schematic structural diagram of an embodiment of the earphone provided by this application;

[0399] Figure 53 This is a schematic diagram of the exploded structure of an embodiment of the arc-shaped head beam member provided by the present application;

[0400] Figure 54 yes Figure 53 A schematic diagram of the cross-sectional structure of an embodiment of a middle arc-shaped head beam member;

[0401] Figure 55 This is a schematic diagram of a partially exploded structure of an embodiment of a headband assembly provided by the present application;

[0402] Figure 56 This is a schematic diagram of the partial structure of an embodiment of the headband assembly provided by the present application in different states;

[0403] Figure 57 This is a schematic diagram of the exploded structure of an embodiment of a connecting wire assembly provided by the present application;

[0404] Figure 58 This is a schematic diagram of the exploded structure of an embodiment of the earphone provided by this application;

[0405] Figure 59 yes Figure 58 Schematic diagram of the structure of the middle earphone from another perspective;

[0406] Figure 60 is a schematic cross-sectional structural diagram of an embodiment of an earphone provided by the present application;

[0407] Figure 61 : This is the frequency response curve of sound leakage of the two earphone embodiments provided in this application when not being worn;

[0408] Figure 62 yes Figure 27 A schematic cross-sectional view of an embodiment of a mid-ear headphone. DETAILED DESCRIPTION

[0409] The present application will be further described in detail below in conjunction with the accompanying drawings and examples. It is particularly noted that the following examples are only used to illustrate the present application and do not limit the scope of the present application. Similarly, the following examples are only some embodiments of the present application and not all embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0410] Reference to "embodiments" in this application means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of this application. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described in this application may be combined with other embodiments.

[0411] In the present application, the earphone 10 may include a movement module 11, which is configured to generate at least bone conduction sound and contact the user's skin (e.g., cheek) when worn to allow the external auditory canal of the user's ear to be "open." In other words, when the external auditory canal of the user's ear is open and not blocked / obstructed by the earphone 10, the earphone 10 can also generate air conduction sound, which will be explained exemplarily later. At this time, the sound generated by the earphone 10 can be mainly bone conduction sound, supplemented by air conduction sound, that is, air conduction sound enhances bone conduction sound, thereby improving the sound quality of the earphone 10.

[0412] It should be noted that: the bone conduction sound described in this application refers to the mechanical vibrations generated by the movement module 11, which are mainly transmitted through the user's skull and other media, and the air conduction sound described in this application refers to the mechanical vibrations generated by the movement module 11, which are mainly transmitted through the air and other media. Furthermore, two movement modules 11 described in this application can be provided, and both movement modules 11 can convert electrical signals into mechanical vibrations so that the headset 10 can achieve stereo sound effects. Therefore, in other application scenarios where the requirements for stereo sound are not particularly high, such as hearing aids for hearing patients, live prompting by hosts, etc., the headset 10 can also be provided with only one movement module 11, and the canceled movement module 11 can be replaced by a structural component that assists the wearing of the headset 10.

[0413] Combine Figure 1 The movement module 11 may include a movement housing 111 and a transducer 112 disposed within the housing 100 of the movement housing 111. The transducer 112 is configured to convert electrical signals into mechanical vibrations. The movement module 11 may primarily transmit the mechanical vibrations generated by the transducer 112 via bone conduction, thereby generating bone-conducted sound.

[0414] In some embodiments, in the wearing state, the movement module 11 can be in direct contact with the user's skin through the movement housing 111, that is, the movement module 11 directly transmits the mechanical vibration generated by the transducer 112 through the movement housing 111. In this way, the earphone 10 may not include the first vibration transmitting plate 113, the vibration panel 114 and other structural parts mentioned later. At the same time, the movement housing 111 will also drive the air outside the earphone 10 to vibrate, thereby generating sound leakage. At this time, in order to reduce the sound leakage of the earphone 10, a through hole (which can be defined as a "leakage reduction hole") connecting the accommodating cavity 100 and the outside of the earphone 10 can be opened on the movement housing 111 to allow the sound waves output to the outside of the earphone 10 through the leakage reduction hole and the sound leakage generated by the vibration of the movement housing 111 with the transducer 112 to cancel each other out of phase in the far field (commonly known as "punching to reduce sound leakage").

[0415] In some other embodiments, the movement module 11 may further include a first vibration transmitting plate 113 and a vibration panel 114. The transducer 112 may be suspended within the accommodating cavity 100 via the first vibration transmitting plate 113, and the vibration panel 114 may be at least partially located outside the accommodating cavity of the movement housing 11 and connected to the transducer 112 for transmitting the mechanical vibrations generated by the transducer 112 to the user. Accordingly, the movement housing 111 has an open structure at one end near the vibration panel 114. In this case, when worn, the movement module 11 can contact the user's skin via the vibration panel 114, meaning that the movement module 11 transmits the mechanical vibrations generated by the transducer 112 via the vibration panel 114. At the same time, due to the presence of the first vibration transmitting plate 113, the mechanical vibrations generated by the transducer 112 can be less or even not transmitted to the movement housing 111, thereby minimizing the vibrations of the air outside the earphone 10 caused by the movement housing 111, thereby reducing sound leakage from the earphone 10. Of course, the sound leakage of the earphone 10 can be further reduced by punching holes to reduce the sound leakage.

[0416] In other embodiments, for example Figure 1 The movement module 11 also transmits the mechanical vibration generated by the transducer 112 through the vibration panel 114. The difference is that the movement shell 111 near the vibration panel 114 is not an open structure, that is, except for the mounting hole 1111 mentioned later, the other parts can be a closed structure. At this time, the movement shell 111 itself can reduce the sound leakage of the earphone 10 based on the acoustic dipole, and there is less or no need to open additional sound leakage reduction holes on the movement shell 111. Figure 42 , Figure 42Mid-frequency response curve 42_1 and frequency response curve 42_2 respectively represent the sound leakage of the earphone 10 when the end of the movement housing 111 near the vibration panel 114 is open and when the end of the movement housing 111 near the vibration panel 114 is closed. Clearly, compared to the open end of the movement housing 111 near the vibration panel 114, the closed end of the movement housing 111 near the vibration panel 114 significantly reduces sound leakage.

[0417] As an example, the movement module 11 may also include a connector 115 connecting the vibration panel 114 and the transducer device 112, and the movement housing 111 is provided with a mounting hole 1111 for installing the connector 115. In this case, the vibration panel 114 is located outside the movement housing 111 so as to contact the user's skin; one end of the connector 115 is connected to the vibration panel 114, and the other end extends into the movement housing 111 through the mounting hole 1111 and is connected to the transducer device 112. In this way, even if the mechanical vibration generated by the transducer device 112 is partially transmitted to the movement housing 111 through the first vibration transmitting plate 113, the phases of the sound leakage generated by the first end wall 1113 and the second end wall 1114 respectively in response to the vibration of the transducer device 112 are opposite, and the two can cancel each other out of phase in the far field, thereby reducing the sound leakage of the earphone 10. Based on this, fewer or even no sound leakage reduction holes can be provided on the movement housing 111, thereby improving the waterproof and dustproof performance of the earphone 10. Preferably, when viewed along the vibration direction of the transducer device 112, the area of the vibration panel 114 is larger than the area of the mounting hole 1111, and the area of the mounting hole 1111 is larger than the area of the connector 115. This prevents the mechanical vibration generated by the transducer device 112 from being transmitted to the movement housing 111 via the connector 115, thereby further reducing sound leakage from the earphone 10. At this point, the gap between the connector 115 and the wall of the mounting hole 1111 cooperates with the accommodating cavity 100 to form a Helmholtz resonance cavity, the resonant frequency of which can be less than or equal to 4 kHz, preferably less than or equal to 2 kHz, and more preferably less than or equal to 1 kHz.

[0418] As an example, the movement housing 111 may include an inner cylindrical wall 1112 and a first end wall 1113 and a second end wall 1114 connected to the two ends of the inner cylindrical wall 1112. The inner cylindrical wall 1112 is located on the periphery of the transducer device 112. The first end wall 1113 and the second end wall 1114 are located on opposite sides of the transducer device 112 in the vibration direction of the transducer device 112, and are arranged together with the inner cylindrical wall 1112 to form a accommodating cavity 100. When viewed along the vibration direction of the transducer device 112, the cross-section of the inner cylindrical wall 1112 is any one of a circular, elliptical, racetrack-shaped, polygonal, etc., and of course, the entire or partial shapes may be irregular. Furthermore, when worn, the first end wall 1113 is closer to the user's skin than the second end wall 1114. In this case, the first end wall 1113 is provided with a mounting hole 1111. Of course, in other embodiments where the need for sound leakage reduction is not stringent or holes are punched to reduce sound leakage, the movement housing 111 may not include the first end wall 1113 and / or the second end wall 1114, and the side of the transducer 112 facing away from the vibration panel 114 may be protected by other structural members (such as the adapter housing 13 mentioned later). In other embodiments, such as when the movement module 11 is not provided with the vibration panel 114, the movement housing 111 may be in direct contact with the user's skin through the first end wall 1113.

[0419] The inventors of this application discovered during the long-term research and development process that: Figure 61 , Figure 61 The mid-frequency response curve 61_1 and the frequency response curve 61_2 respectively represent the sound leakage of the earphone 10 when the movement shell 111 has a larger volume and when the movement shell 111 has a smaller volume. Obviously, compared with the case where the movement shell 111 has a larger volume, the sound leakage of the earphone 10 is significantly reduced when the movement shell 111 has a smaller volume. For example: the sound leakage in the frequency range of 1kHz-2kHz is significantly reduced, and the sound leakage in the frequency range of 3kHz-4kHz is significantly reduced. These are frequency ranges to which the human ear is more sensitive. Among them, the sound leakage in the frequency range of 1kHz-2kHz contains more human voice components, which has a greater impact on the user's subjective perception. Therefore, maintaining the sound leakage in this frequency range at a lower level can make the earphone 10 more competitive in the market. Based on this, under the condition that the movement shell 111 accommodates the transducer 112, the volume of the movement shell 111 can be less than or equal to 3cm 3, thereby reducing sound leakage from the earphone 10. The volume of the core housing 111 can be measured by injecting water into it. Furthermore, the volume of the core housing 111 can be varied by adjusting the radial dimension of the inner cylinder wall 1112 perpendicular to the vibration direction of the transducer 112 or adjusting the radial gap between the inner cylinder wall 1112 and the transducer 112 perpendicular to the vibration direction of the transducer 112. For example, while ensuring that the transducer 112 does not collide with the core housing 111 during vibration, the aforementioned radial dimension or radial gap can be minimized, thereby reducing sound leakage from the earphone 10. Furthermore, the impact resistance of the earphone 10 can be enhanced. This is because a smaller radial dimension or radial gap allows the transducer 112 to have a smaller travel distance in the event of a drop or other impact, minimizing deformation of structural components such as the first and second transducer plates 113 and 1122, making them less susceptible to plastic deformation or fracture, thereby increasing reliability.

[0420] It should be noted that although the transducer device 112 is suspended within the accommodating cavity 100 via the first vibration transmitting plate 113, for example, the transducer device 112 is connected to the central area of the first vibration transmitting plate 113 and the peripheral area of the first vibration transmitting plate 113 is connected to the movement housing 111, the relative position of the first vibration transmitting plate 113 can be reasonably adjusted according to actual needs. For example, the first vibration transmitting plate 113 is located within the accommodating cavity 100; specifically, the first vibration transmitting plate 113 is located on the side of the first end wall 1113 close to the second end wall 1114. In other words, when viewed along the vibration direction of the transducer device 112, the area of the mounting hole 1111 can be smaller than the area of the first vibration transmitting plate 113; here, the area of the first vibration transmitting plate 113 can be defined as the area enclosed by the maximum outer boundary of the orthographic projection of the first vibration transmitting plate 113 along the vibration direction of the transducer device 112. For another example: the first vibration transmitting plate 113 is located in the mounting hole 1111; or, a portion of the first vibration transmitting plate 113 is located in the accommodating cavity 100, and another portion is located in the mounting hole 1111; or, a portion of the first vibration transmitting plate 113 is located in the accommodating cavity 100, a portion is located in the mounting hole 1111, and another portion is located outside the movement housing 111. Figure 1, this application uses the example of the first vibration transmitting plate 113 being located in the accommodating cavity 100 for illustrative explanation, so that the movement housing 111 itself can reduce the sound leakage of the earphone 10 based on the acoustic dipole. It is worth noting that: compared with the first vibration transmitting plate 113 being located in the mounting hole 1111, the first vibration transmitting plate 113 being located in the accommodating cavity 100 can enable the earphone 10 to obtain a better sound leakage reduction effect. This is mainly because: since the area of the first vibration transmitting plate 113 along the vibration direction of the transducer 112 is larger than the area of the connecting member 115 along the vibration direction of the transducer 112, the first vibration transmitting plate 113 being located in the mounting hole 1111 will cause the area of the first end wall 1113 along the vibration direction of the transducer 112 to be greatly reduced, which will easily lead to a large difference in stiffness between the first end wall 1113 and the second end wall 1114, which is not conducive to the formation of an acoustic dipole between the two.

[0421] In some embodiments, the accommodating cavity 100 can be connected to the outside of the earphone 10 only through the first channel, which is the gap between the connecting piece 115 and the wall of the mounting hole 1111. In other words, no sound leakage reduction hole is provided on the core shell 111. At this time, the sound leakage generated by the earphone 10 through the first end wall 1113 and the second end wall 1114 is canceled in the far field to reduce the sound leakage. It should be noted that: in combination with Figure 8 When the movement module 11 is provided with a Helmholtz resonance cavity 200, the movement housing 111 may be provided with a through hole connecting the accommodating cavity 100 and the Helmholtz resonance cavity 200. This through hole may be provided on the inner cylinder wall 1112 and / or the second end wall 1114. In this case, since the Helmholtz resonance cavity 200 is connected to the accommodating cavity 100 only through the aforementioned through hole and not through other channels to the exterior of the earphone 10, it can still be considered that the accommodating cavity 100 is connected to the exterior of the earphone 10 only through the first channel.

[0422] In other embodiments such as the embodiment in which the core module 11 is provided with an acoustic filter 300, Figure 9 The accommodating chamber 100 communicates with the exterior of the earphone 10 only through a first channel and a second channel. The first channel is the gap between the connector 115 and the wall of the mounting hole 1111, while the second channel communicates with the exterior of the earphone 10 via the acoustic filter 300. In addition to the mounting hole 1111, although the movement housing 111 also includes a through hole connecting the accommodating chamber 100 and the acoustic filter 300, this through hole serves a different function than the sound leakage reduction hole and should not be confused with the two.

[0423] In some other embodiments, the accommodating cavity 100 can be connected to the outside of the earphone 10 only through the first channel and the second channel. The aforementioned first channel is the gap between the connecting member 115 and the wall of the mounting hole 1111. The ratio between the opening area of the aforementioned second channel and the opening area of the aforementioned first channel can be less than or equal to 10%. Among them, the aforementioned second channel can be used as a sound leakage reduction hole to further adjust or optimize the sound leakage of the earphone 10 on the basis of the sound dipole sound leakage reduction method. At this time, since the core shell 111 itself can reduce the sound leakage of the earphone 10 based on the sound dipole, the sound leakage of the earphone 10 can be at a level that is easy for the user to accept. Therefore, the opening area of the aforementioned second channel can be much smaller than the opening area of the sound leakage reduction hole opened by the related art by only punching to reduce sound leakage, which is conducive to meeting the waterproof and dustproof requirements of the earphone 10. Of course, the aforementioned second channel may also not be used as an acoustic hole such as a leakage-reducing sound hole; but may be used as an appearance hole. For example, in an embodiment where the earphone 10 includes two movement modules 11, one of the movement modules 11 is provided with a microphone and its movement housing 111 is provided with a microphone hole, while the other movement module 11 is not provided with a microphone but its movement housing 111 is provided with an appearance hole corresponding to the aforementioned microphone hole; or it may be simply a through hole opened on the movement housing 111 that has no other use.

[0424] It should be noted that compared to the movement module 11 directly contacting the user's skin through the movement housing 111, the movement module 11 can achieve a better fit by contacting the user's skin through the vibration panel 114. This is because the first vibration transmission piece 113 has a certain elasticity, and the transducer 112, the vibration panel 114, etc. are suspended in the accommodating cavity 100 through the first vibration transmission piece 113. When worn, the first vibration transmission piece 113 allows the vibration panel 114 to deflect at a certain angle relative to the movement housing 111 according to the skin contour when in contact with the user's skin, so that the vibration panel 114 can fit the user's skin more closely. This helps to reduce the loss of the mechanical vibration of the transducer 112 transmitted by the vibration panel 114 to the user's skull and other media, thereby enhancing bone conduction sound. Furthermore, when the vibration panel 114 vibrates with the transducer 112, it will also drive the air outside the earphone 10 to vibrate. The phases of the two opposite sides are opposite, and the two can also cancel each other out of phase in the far field, thereby reducing sound leakage of the earphone 10.

[0425] Generally, the resonant frequency f of a structure is related to its stiffness K and mass m by the equation: f ∝ (K / m). Stiffness can also be referred to as the elastic modulus, stiffness coefficient, etc. Clearly, for the same mass, the greater the stiffness of a structure, the higher its resonant frequency. Furthermore, the greater the stiffness of a structure, the fewer high-order modes of vibration it produces, which improves sound quality. The stiffness K of a structure is related to factors such as its material (specifically, its Young's modulus E) and its specific structural form. Generally, the stiffness K of a structure is related to its Young's modulus E, its thickness t, and its area S by the equation: K ∝ (E·t) / S. Clearly, the smaller the area S, the greater its stiffness K; and the greater its thickness t, the greater its stiffness K. Therefore, increasing the Young's modulus E, the thickness t, or the area S, or any combination thereof, can all help increase the stiffness K, thereby increasing the resonant frequency and reducing high-order modes of vibration. Based on this, the Young's modulus of the first end wall 1113 and the second end wall 1114 can be greater than or equal to 2000 MPa, preferably greater than or equal to 3000 MPa; and / or the thickness of the first end wall 1113 and the second end wall 1114 can be between 0.3 mm and 3 mm, preferably between 0.5 mm and 2.5 mm; and / or the area of the first end wall 1113 and the second end wall 1114 can be between 200 mm and 3 mm, respectively. 2 With 500mm 2 between, preferably between 300mm 2 With 400mm 2 between them, so that the stiffness of both can be large enough. In this way, the high-order modes of the first end wall 1113 and the second end wall 1114 during vibration can be as few as possible, and the resonant frequency of the sound leakage generated by the two can also be shifted to the high frequency band as much as possible, for example, greater than or equal to 4kHz, so that the user is insensitive to sound leakage. Furthermore, the difference between the stiffness of the first end wall 1113 and the stiffness of the second end wall 1114 can be small, so that the resonant frequency of the sound leakage generated by the first end wall 1113 and the second end wall 1114 can be as close as possible, thereby making the two better anti-phase cancellation in the far field to reduce the sound leakage of the earphone 10. Similarly, the Young's modulus of the vibration panel 114 can be greater than or equal to 3000Mpa, preferably greater than or equal to 4000Mpa; and / or, the thickness of the vibration panel 114 can be between 0.3mm and 3mm, preferably between 0.5mm and 2.5mm; and / or, the area of the vibration panel 114 can be between 130mm 2 With 400mm 2 between, preferably between 140mm 2 With 300mm 2The rigidity of the vibration panel 114 is large enough, so that the high-order modes of the vibration panel 114 when vibrating can be as small as possible.

[0426] As an example, when observing along the vibration direction of the transducer device 112, the ratio between the area of the mounting hole 1111 and the area of the first end wall 1113 can be less than or equal to 0.6, preferably less than or equal to 0.5. In this way, when the mounting hole 1111 meets the installation requirements of the connector 115, the stiffness of the first end wall 1113 and the stiffness of the second end wall 1114 are as close as possible, so that the resonant frequencies of the sound leakage generated by the first end wall 1113 and the second end wall 1114 are as close as possible. Furthermore, when observing along the vibration direction of the transducer device 112, the ratio between the difference between the area of the mounting hole 1111 and the area of the connector 115 and the area of the mounting hole 1111 can be greater than 0 and less than or equal to 0.5, preferably greater than 0 and less than or equal to 0.4. In this way, when the mounting hole 1111 allows the connector 115 and the vibration panel 114 to move relative to the movement housing 111, the gap between the connector 115 and the first end wall 1113 is as small as possible to prevent the sound waves generated by the vibration of the transducer 112 within the accommodating cavity 100 from being excessively transmitted through the mounting hole 1111 to the outside of the earphone 10, thereby causing sound leakage. In other words, the acoustic cavity effect is suppressed, thereby reducing sound leakage from the earphone 10. Of course, since the phase of the sound waves transmitted to the outside of the earphone 10 through the mounting hole 1111 can be opposite to the phase of one of the sound leakages generated by the first end wall 1113 and the second end wall 1114, the sound waves transmitted to the outside of the earphone 10 through the mounting hole 1111 can further adjust the anti-phase cancellation of the sound leakages generated by the first end wall 1113 and the second end wall 1114 in the far field, thereby reducing sound leakage from the earphone 10.

[0427] As an example, the opening shape of mounting hole 1111 and the cross-sectional shape of connector 115 can be the same regular shape. For example, the opening shape of mounting hole 1111 and the cross-sectional shape of connector 115 can be corresponding polygons, such as regular polygons. That is, when the cross-sectional shape of connector 115 is a square, a regular hexagon, etc., the opening shape of mounting hole 1111 can also be a corresponding square, a regular hexagon, etc. For another example, the opening shape of mounting hole 1111 and the cross-sectional shape of connector 115 can be corresponding circular, elliptical, etc. Furthermore, the gap between connector 115 and first end wall 1113 (specifically, the wall surface of mounting hole 1111) can be greater than 0 and less than or equal to 2 mm, preferably greater than 0 and less than or equal to 1 mm, and more preferably greater than or equal to 0.1 mm and less than or equal to 1 mm. This ensures that the gap between connector 115 and first end wall 1113 is as small as possible when mounting hole 1111 allows connector 115 and vibration panel 114 to move relative to movement housing 111. Among them, when the number of the mounting holes 1111 and the number of the connecting members 115 are multiple and correspond one to one, for example Figure 2 As shown in (b) and (c), the gap between the connector 115 and the wall of the mounting hole 1111 can be defined as the sum of the gaps formed between the multiple connectors 115 and the wall of the corresponding mounting hole 1111. Of course, in some other embodiments, the opening shape of the mounting hole 1111 and the cross-sectional shape of the connector 115 can also be different regular shapes. For example: when the cross-sectional shape of the connector 115 is a regular polygon such as a square or a regular hexagon, the opening shape of the mounting hole 1111 can also correspond to a circle; conversely, when the cross-sectional shape of the connector 115 is a circle, the opening shape of the mounting hole 1111 can also correspond to a regular polygon such as a square or a regular hexagon. In other embodiments, the opening shape of the mounting hole 1111 and the cross-sectional shape of the connector 115 can also be other irregular structural shapes. Among them, combined with Figure 2 , this application takes the cross-sectional shape of the connecting member 115 as a circle as an example for illustrative description; accordingly, the opening shape of the mounting hole 1111 is also a circle.

[0428] In some embodiments, for example Figure 2 In (a), there can be one connector 115, and connector 115 can be connected to the center area of vibration panel 114. In this case, there can also be one mounting hole 1111, with connector 115 extending through mounting hole 1111. In this way, under the same conditions, the connection area between mounting hole 1111 and the outside of the movement housing 111 can be minimized, thereby minimizing the risk of sound waves generated by the vibration of the transducer 112 within the accommodating chamber 100 being transmitted through mounting hole 1111 to the outside of the earphone 10, thereby minimizing the risk of sound leakage.

[0429] In some other embodiments, for example Figure 2 In (b), the number of the connecting members 115 can be multiple, for example, three, four, etc., and the multiple connecting members 115 are arranged around the center line of the vibration panel 114 parallel to the vibration direction of the transducer 112 (for example Figure 2 In this case, the number of mounting holes 1111 can also be multiple, and the multiple connectors 115 are connected to the transducer device 112 through a corresponding mounting hole 1111. This is conducive to improving the reliability of the connector 115 connecting the vibration panel 114 and the transducer device 112. Furthermore, the centers of the multiple connectors 115 can fall on the same circle (i.e., cocircular), and the center of the circle (e.g. Figure 2 The plurality of connectors 115 may be evenly spaced around the center line of the vibration panel 114 parallel to the vibration direction of the transducer 112.

[0430] In other embodiments, for example Figure 2 In (c), the number of connectors 115 can be multiple, for example, four or five, with one connector 115 connected to the center area of the vibration panel 114, and the remaining connectors 115 are spaced around the connector 115 located in the center area of the vibration panel 114. In this case, the number of mounting holes 1111 can also be multiple, with each of the multiple connectors 115 connected to the transducer device 112 through a corresponding mounting hole 1111. This also helps improve the reliability of the connector 115 connecting the vibration panel 114 and the transducer device 112.

[0431] It should be noted that: compared with Figure 1 , Figure 2 It can be simply regarded as the orthographic projection of the vibration panel 114 and the connecting member 115 along the vibration direction of the transducer device 112 .

[0432] In some embodiments, the accommodating chamber 100 is connected to the outside of the earphone 10 via a channel, and the aforementioned channel is the gap between the connector 115 and the wall of the mounting hole 1111. In this case, the movement module 11 may include a sealing film 118, which is used to seal the aforementioned channel. That is, the gap between the connector 115 and the wall of the mounting hole 1111 can be sealed by the sealing film 118 to prevent the air-conducted sound waves formed in the accommodating chamber 100 from propagating through the aforementioned channel to the outside of the earphone 10 and causing sound leakage. The material of the sealing film 118 can be rubber, silicone, polyvinyl chloride (PVC), polycarbonate (PC), or polyetheretherketone (PEEK).

[0433] As an example, combining Figure 35 The sealing film 118 may include a first connecting portion 1181, a pleated portion 1182, and a second connecting portion 1183 that are integrally connected. The pleated portion 1182 forms a recessed area between the first connecting portion 1181 and the second connecting portion 1182. In this case, the first connecting portion 1181 may be connected to the first end wall 1113, and the second connecting portion 1183 may be connected to the connecting member 115 or the vibration panel 114. Thus, compared with a planar film structure (for example, the portion where the aforementioned recessed area is located is planar), this non-planar film structure with a folding ring is conducive to increasing the elasticity of the sealing film 118. This is conducive to preventing the mechanical vibration generated by the transducer 112 from being excessively transmitted to the movement housing 111 via the sealing film 118, and is also conducive to preventing the sealing film 118 from being "torn apart" due to the excessive amplitude of the relative movement between the connector 115 or the vibration panel 114 and the movement housing 111, or "broken" due to excessive or insufficient sound pressure in the accommodating chamber 100, or fatigue failure due to excessive changes in sound pressure in the accommodating chamber 100. In addition, a pressure relief hole may be provided on the movement housing 111. The aforementioned pressure relief hole is used to balance the sound pressure in the accommodating chamber 100, so that it is maintained at a level that does not change much relative to the atmospheric pressure, so as to extend the service life of the sealing film 118. The area of the pressure relief hole may be less than or equal to 4 mm 2 It is worth noting that the provision of the sealing film 118 is conducive to increasing the gap between the connector 115 and the wall surface of the mounting hole 1111, that is, the opening area of the mounting hole 1111 can be set larger than the cross-sectional area of the connector 115, thereby helping to avoid unnecessary wear between the connector 115 and the movement housing 111, thereby extending the service life of the movement module 11.

[0434] It should be noted that: Figure 46 and Figure 35 The sealing membrane 118 can be connected only to the first end wall 1113, that is, a gap can be left between the sealing membrane 118 and the connecting member 115, but the gap is smaller than the gap between the connecting member 115 and the wall of the mounting hole 1111. This not only reduces the communication area between the accommodating cavity 100 and the outside of the earphone 10, but also helps to balance the sound pressure in the accommodating cavity 100, so that it is maintained at a level that does not change much relative to the atmospheric pressure.

[0435] Based on the above description, during the process of the transducer 112 generating mechanical vibrations, the movement housing 111 (specifically, the first end wall 1113 and the second end wall 1114) and the vibration panel 114 can further form multiple groups of acoustic dipoles, that is, the two groups with opposite phases cancel each other out, thereby reducing sound leakage of the earphone 10. Based on this, the ratio of the absolute value of the difference between the stiffness of the vibration panel 114 and the stiffness of the first end wall 1113 to the larger of the stiffness of the vibration panel 114 and the stiffness of the first end wall 1113 can be between 0 and 0.4, preferably between 0 and 0.3; and / or the ratio of the absolute value of the difference between the stiffness of the vibration panel and the stiffness of the second end wall to the larger of the stiffness of the vibration panel and the stiffness of the second end wall can be between 0 and 0.4, preferably between 0 and 0.3. In this way, the resonance frequency of the sound leakage generated by the vibration panel 114 can be as close as possible to the resonance frequency of the sound leakage generated by the first end wall 1113 and / or the second end wall 1114, so that the two can better cancel each other out in the far field, thereby reducing the sound leakage of the earphone 10.

[0436] By way of example, the ratio of the area of the vibration panel 114 to the area of the first end wall 1113, as viewed along the vibration direction of the transducer 112, can be between 0.3 and 1.6, preferably between 0.5 and 1.2. In other words, once the structure of the movement housing 111 is determined, the area of the vibration panel 114 can be substantially similar to the area of the first end wall 1113, so that the stiffness of the vibration panel 114 is as close as possible to the stiffness of the first end wall 1113. In addition, if the area of the vibration panel 114 is too small, it may affect the mechanical vibration generated by the transducer 112 transmitted by the vibration panel 114, thereby affecting the intensity of the bone-conducted sound generated by the earphone 10, and may also cause the contact area between the user's skin and the movement module 11 to be too small, causing discomfort when wearing, thereby affecting the wearing comfort of the earphone 10; if the area of the vibration panel 114 is too large, it may affect the stiffness of the vibration panel 114, thereby affecting the sound quality of the earphone 10, and may also cause the vibration panel 114 to be too affected by the skin contour and difficult to fit closely with the user's skin, thereby affecting the intensity of the bone-conducted sound generated by the earphone 10.

[0437] Generally speaking, for acoustic dipoles, the smaller the distance between two monopoles with opposite phases, the more pronounced the anti-phase cancellation effect, i.e., the lower the far-field sound pressure; accordingly, for the earphone 10, the far-field sound leakage is also reduced. Of course, considering the structural strength of the vibration panel 114, the structural interference between the vibration panel 114 and the movement housing 111 during the vibration of the transducer 112, and the space required for the transducer 112 and other structural components within the movement housing 111, the distance between the two monopoles is difficult to be zero. Therefore, in the vibration direction of the transducer 112, the thickness of the vibration panel 114 can be between 0.3 mm and 3 mm, preferably between 0.5 mm and 2.5 mm. If the thickness is too small, it will be detrimental to the vibration panel 114 having sufficient rigidity; and / or, the gap between the vibration panel 114 and the first end wall 1113 can be between 0.5 mm and 3 mm, preferably between 1 mm and 2 mm. If the gap is too small, it will easily cause the vibration panel 114 to collide with the movement housing 111 and cause sound distortion; and / or, the distance between the side of the first end wall 1113 facing away from the second end wall 1114 and the side of the second end wall 1114 facing away from the first end wall 1113 can be between 6 mm and 16 mm.

[0438] Combine Figure 3The movement module 11 may further include a peripheral edge 116 connected to an end of the movement housing 111 near the vibration panel 114. For example, the peripheral edge 116 may be connected to an end of the inner tube wall 1112 away from the second end wall 1114. Another example is that the peripheral edge 116 is connected to the first end wall 1113. The peripheral edge 116 may surround the vibration panel 114 to prevent the vibration panel 114 from falling off. In other words, the peripheral edge 116 is connected to the movement housing 111, and the projection of the peripheral edge 116 on a reference plane perpendicular to the vibration direction of the transducer 112 surrounds the periphery of the projection of the vibration panel 114 on the aforementioned reference plane. In the non-worn state, the edge 116 is spaced apart from the vibration panel 114 in a direction perpendicular to the vibration direction of the transducer 112 to prevent the edge 116 from obstructing the vibration panel 114 from vibrating with the transducer 112. Furthermore, the side of the vibration panel 114 facing away from the transducer 112 at least partially protrudes beyond the side of the edge 116 facing away from the transducer 112 in the vibration direction of the transducer 112, allowing the vibration panel 114 to closely adhere to the user's skin, thereby increasing the intensity of the bone-conducted sound produced by the earphone 10. Furthermore, in the worn state, in addition to the contact between the vibration panel 114 and the user's skin, the edge 116 may also contact the user's skin. Specifically, at least a portion of the edge 116 and the vibration panel 114 contact the user's skin, thereby partially relieving the compressive force applied by the movement module 11 to the user's skin. This allows the vibration panel 114 to vibrate with the transducer 112, thereby improving the sound quality of the earphone 10, particularly in the low-frequency band. In other words, the edge 116 surrounding the movement module 11 facilitates a balance between wearing stability, comfort, and sound quality. Therefore, the pressing force exerted by the vibration panel 114 on the user's cheek can be less than the pressing force exerted by the headband assembly 12 (described later) on the movement module 11 against the user's cheek. Furthermore, the contact area between the vibration panel 114 and the user's cheek can also be less than the contact area between the movement module 11 and the user's cheek. Among them, when the movement module 11 is provided with a surrounding edge 116, the pressing force of the movement module 11 on the user's cheek can be equal to the sum of the pressing force of the vibration panel 114 on the user's cheek and the pressing force of the surrounding edge 116 on the user's cheek, and the contact area between the movement module 11 and the user's cheek can be equal to the contact area between the vibration panel 114 and the user's cheek and the contact area between the surrounding edge 116 and the user's cheek; when the movement module 11 is not provided with a surrounding edge 116 and only contacts the user's cheek through the vibration panel 114, the pressing force of the movement module 11 on the user's cheek can be equal to the pressing force of the vibration panel 114 on the user's cheek, and the contact area between the movement module 11 and the user's cheek can be equal to the contact area between the vibration panel 114 and the user's cheek. Based on this, the head beam assembly 12 mentioned later can apply a pressing force between 0.4N and 0.8N to press the movement module 11 against the user's cheek, and the pressing force of the vibration panel 114 on the user's cheek can be between 0.1N and 0.7N; the contact area between the movement module 11 and the user's cheek can be between 400mm2 With 600mm 2 between, preferably between 450mm 2 With 550mm 2 The contact area between the vibration panel 114 and the user's cheek may be between 180mm 2 With 300mm 2 between, preferably between 160mm 2 With 280mm 2 between.

[0439] Furthermore, the side of the movement housing 111 close to the vibration panel 114 and the vibration panel 114 and the surrounding edge 116 can be arranged to form a cavity 400. For example, the surrounding edge 116 and the first end wall 1113 and the vibration panel 114 form the cavity 400. The surrounding edge 116 can be provided with a connecting hole 1161 connecting the cavity 400 with the outside of the movement module 11, so that when worn, the cavity 400 is connected to the outside of the movement module 11 through the connecting hole 1161. In other words, the surround 116 may be provided with a connecting hole 1161, which is used to connect the gap between the vibration panel 114 and the core housing 111 (e.g., the first end wall 1113) with the exterior of the earphone 10. This allows sound leakage generated by the first end wall 1113 and the second end wall 1114 to cancel each other out in the far field. This allows sound leakage generated on opposite sides of the core housing 111 to cancel each other out in the far field, thereby better meeting the requirements of the earphone 10 for reducing sound leakage. The number of connecting holes 1161 can be multiple, for example, multiple connecting holes 1161 are spaced around the connector 115. For example, the opening ratio of the connecting holes 1161 in the surround 116 is greater than or equal to 30%, so that sound leakage generated by the first end wall 1113 can be more effectively propagated and cancel each other out in the far field with sound leakage generated by the second end wall 1114. The opening ratio can refer to the product of the area of a single connecting hole 1161 and the number of connecting holes 1161, divided by the area of the surround 116. Furthermore, in the wearing state, at least a portion of the plurality of communication holes 1161 does not contact the user's skin, so that the sound leakage generated by the first end wall 1113 can be transmitted through the communication holes 1161. Figure 3 , the communicating hole 1161 can be opened on the side of the surrounding edge 116; Figure 27 or Figure 32 The connecting hole 1161 can be provided on the connecting portion 1162, and an avoidance hole corresponding to the connecting hole 1162 is provided on the first outer cylinder wall 1115. The connecting hole 1161 can also be provided in the portion of the limiting portion 1164 that does not contact the user's skin; Figure 52, the connecting hole 1161 can be opened in the part of the surrounding edge 116 that does not contact the user's skin. In addition, since the cavity 400 and the connecting hole 1161 can also constitute a Helmholtz resonance cavity, increasing the opening rate of the connecting hole 1161 on the surrounding edge 116 is conducive to the resonance peak of the cavity 400 being shifted to a higher frequency band when resonating, so that the user can feel less sound leakage. It is worth noting that: in the wearing state, the opening direction of at least one of the connecting holes 1161 can be away from the top of the user's head. For example, the angle between the opening direction of the connecting hole 1161 and the vertical axis of the user is between 0 and 10°, so that liquids such as the user's sweat can also flow out through the connecting hole 1161, that is, to prevent sweat and the like from being retained in the movement module 11. Of course, the sound leakage generated by the first end wall 1113 can also be transmitted through the gap between the surround 116 and the vibration panel 114 in a direction perpendicular to the vibration direction of the transducer 112, and then cancel each other out in the far field with the sound leakage generated by the second end wall 1114, which will be explained exemplarily later.

[0440] As an example, within the frequency range of 500Hz to 4kHz, there is a target frequency range with an interval length of at least 1 / 3 octave. Based on this, within the aforementioned target frequency range, the sound leakage generated by the earphone 10 when the connecting hole 1161 is in the open state is weaker than the sound leakage generated by the earphone 10 when the connecting hole 1161 is in the closed state. The aforementioned target frequency range can be 1kHz to 2kHz. It should be noted that the aforementioned connecting hole 1161 being in the closed state can mean that the connecting hole 1161 is blocked.

[0441] Furthermore, at least one communication hole 1161 can be provided per square millimeter of area on the surrounding edge 116, so that the number of communication holes 1161 on the surrounding edge 116 is sufficient, but the area of each communication hole 1161 is not particularly large, which helps to ensure the structural strength of the surrounding edge 116. Of course, in other embodiments where the structural strength of the surrounding edge 116 is sufficient, the area of each communication hole 1161 can also be relatively large.

[0442] In some embodiments, the border 116 can be made of plastic, and the wall thickness of the border 116 can be between 0.2 mm and 1 mm. If the wall thickness of the border 116 is too small, it can easily lead to insufficient structural strength; if the wall thickness of the border 116 is too large, it can easily cause the border 116 to contact the user's skin before the vibration panel 114, making it difficult for the vibration panel 114 to contact the user's skin. Of course, while ensuring that the vibration panel 114 can contact the user's skin, the portion of the border 116 that contacts the user's skin can be thicker than other portions. For example, the wall thickness of the portion of the border 116 that contacts the user's skin can be greater than 1 mm to prevent the border 116 from being squeezed and collapsed when worn. Furthermore, when the border 116 is made of plastic, the aforementioned plastic part can be molded onto a metal frame through an injection molding process to structurally reinforce the border 116.

[0443] In some embodiments, the edge 116 may be made of metal, allowing the opening ratio of the communicating holes 1161 on the edge 116 to be greater than or equal to 60%. This is primarily because metal components have a higher structural strength than plastic components. For example, the edge 116 may be made of a steel wire mesh having a mesh count (i.e., the number of openings per inch) between 5 and 508.

[0444] In some embodiments, the movement housing 111 can be a first plastic part, the edge 116 can be connected to the movement housing 111 through a second plastic part, the second plastic part and a metal part are integrally formed through an injection molding process, and the connecting hole 1161 can be opened on the aforementioned metal part.

[0445] Combine Figure 43 or Figure 44 The outer surface of the side of the surrounding edge 116 facing the user's skin in the worn state may have an uneven area, so that the surrounding edge 116 does not completely fit the user's skin when in contact, that is, there is a gap between the surrounding edge 116 and the user's skin, thereby allowing the cavity 400 to communicate with the outside of the movement module 11. In this way, the sound leakage generated by the opposite sides of the movement housing 111 (for example, the first end wall 1113 and the second end wall 1114) can also cancel each other out of phase in the far field, thereby meeting the headphone 10's need for reducing sound leakage. The height difference of the aforementioned uneven area can be between 0.5mm and 5mm, so that there is enough communication gap between the cavity 400 and the outside of the movement module 11.

[0446] In some embodiments, combined Figure 43, a groove 1165 may be provided on the outer surface of the surrounding edge 116, and in the wearing state, the cavity 400 is connected to the outside of the movement module 11 through the groove 1165. Among them, the number, depth and other parameters of the groove 1165 will affect the area of the cavity 400 connected to the outside of the movement module 11. For example: the projection of the surrounding edge 116 in a reference plane perpendicular to the vibration direction of the transducer 112 has a long axis direction and a short axis direction that are orthogonal to each other, and the size of the surrounding edge 116 in the long axis direction is greater than the size of the surrounding edge 116 in the short axis direction. The number of grooves 1165 can be multiple, and the multiple grooves 1165 can be divided into four groups, two groups of grooves 1165 are respectively arranged along the long axis direction, and the other two groups of grooves 1165 are respectively arranged along the short axis direction. The number of grooves 1165 spaced apart in each group along the long axis direction can be greater than the number of grooves 1165 spaced apart in each group along the short axis direction. Among them, in order to facilitate distinction and description, Figure 43 The area where the middle groove 1165 is located is filled with a grid, that is, the area where one grid is located can be simply regarded as one groove 1165. For another example, the depth of the groove 1165 can be between 0.5 mm and 5 mm.

[0447] In some embodiments, combined Figure 44 , a protrusion 1166 may be provided on the outer surface of the edge 116, and the protrusion 1166 forms a gap between the edge 116 and the user's skin when worn, and the cavity 400 is connected to the outside of the movement module 11 through the aforementioned gap. Among them, the number, height and other parameters of the protrusion 1166 will also affect the area of the cavity 400 connected to the outside of the movement module 11. For example: the number of protrusions 1166 is multiple, and the multiple protrusions 1166 make the aforementioned gap in a grid shape. Among them, for the convenience of distinction and description, Figure 44 The area where the middle protrusion 1166 is located is filled with a grid, that is, the area where one grid is located can be simply regarded as one protrusion 1166. For another example, the height of the protrusion 1166 can be between 0.5 mm and 5 mm.

[0448] Similarly, within the frequency range of 500Hz to 4kHz, there is a target frequency range with an interval length of at least 1 / 3 octave. Based on this, within the aforementioned target frequency range, when there are uneven areas on the outer surface of the surrounding edge 116, the sound leakage generated by the earphone 10 in the wearing state is weaker than the sound leakage generated by the earphone 10 in the wearing state when there are no uneven areas on the outer surface of the surrounding edge 116. Among them, the aforementioned target frequency range can be 1kHz to 2kHz. It should be noted that: the aforementioned area on the outer surface of the surrounding edge 116 that does not have uneven areas can refer to filling the uneven areas on the outer surface of the surrounding edge 116. For example: fill the groove 1165 or between the multiple protrusions 1166 with glue, and after the glue is cured, it can be simply regarded as an area on the outer surface of the surrounding edge 116 that does not have uneven areas.

[0449] Combine Figure 45 The side of the surrounding edge 116 that faces the user's skin when worn can be provided with a porous structure 1167. When worn, the porous structure 1167 at least partially contacts the user's skin together with the vibration panel 114, allowing the cavity 400 to communicate with the outside of the movement module 11. In this way, sound leakage generated by the opposite sides of the movement housing 111 (e.g., the first end wall 1113 and the second end wall 1114) can also cancel each other out of phase in the far field, thereby meeting the headphone 10's requirement for sound leakage reduction.

[0450] Furthermore, the porous structure 1167 may include a fixed layer and a porous main layer connected to the fixed layer. The porous structure 1167 is connected to the surrounding edge 116 via the fixed layer. The porous structure 1167 communicates with the cavity 400 and the exterior of the core module 11 through the porous main layer. The porosity of the porous main layer may be greater than or equal to 60%. For example, the porous main layer may be sponge or foam.

[0451] In some embodiments, the fixing layer of the porous structure 1167 and the surrounding edge 116 can be detachably connected, and the connection between the two can be any one of magnetic attraction, snap-on, and adhesive. The adhesive can be achieved by any one of Velcro, single-sided tape, and double-sided tape.

[0452] In some embodiments, the fixing layer of the porous structure 1167 can be cured glue, that is, the porous structure 1167 is fixed to the surrounding edge 116 via the glue. In this case, because the porous structure 1167 is inconvenient to replace, to extend the service life of the porous structure 1167, the porous structure 1167 can include a protective layer covering the porous main layer of the porous structure 1167. The porous structure 1167 contacts the user's skin through the protective layer. The protective layer can be configured as a textile or a steel mesh.

[0453] Similarly, within the frequency range of 500Hz to 4kHz, there is a target frequency range with an interval length of at least 1 / 3 octave. Based on this, within the aforementioned target frequency range, when the movement module 11 has a porous structure 1167, the sound leakage generated by the earphone 10 in the wearing state is weaker than the sound leakage generated by the earphone 10 in the wearing state when the movement module 11 does not have the porous structure 1167. Among them, the aforementioned target frequency range is 1kHz to 2kHz. It should be noted that: the aforementioned movement module 11 does not have a porous structure 1167 can refer to removing the porous structure 1167 from the surrounding edge 116. For example: when the porous structure 1167 is detachably connected to the surrounding edge 116, the porous structure 1167 can be removed; when the porous structure 1167 is fixed to the surrounding edge 116 by glue, the porous structure 1167 can be scraped off with a knife.

[0454] It should be noted that in embodiments where the surrounding edge 116 is provided with a groove 1165, a protrusion 1166, and a porous structure 1167, the surrounding edge 116 may also be provided with a communication hole 1161 connecting the cavity 400 with the exterior of the movement module 11, so that when the wearer is in the wearing state, the cavity 400 is further connected to the exterior of the movement module 11 through the communication hole 1161. There may be a plurality of communication holes 1161, and the opening ratio of the communication holes 1161 on the surrounding edge 116 may be greater than or equal to 30%.

[0455] Combine Figure 4 A gasket 117 may be further provided between the vibration panel 114 and the first end wall 1113. The Rockwell hardness of the gasket 117 is lower than that of the first vibration transmitting plate 113. In other words, compared with the first vibration transmitting plate 113, the gasket 117 may also be called a soft gasket. In this way, the mechanical vibration generated by the transducer 112 is prevented from being transmitted to the movement housing 111 through the gasket 117, thereby further reducing the sound leakage of the earphone 10. The gasket 117 may have adhesiveness, such as foam glue, to connect the vibration panel 114 and the first end wall 1113, and also to prevent the vibration panel 114 from falling off.

[0456] It should be noted that: the inventors of the present application have found in long-term research that the addition of a surround 116 to the movement module 11 is conducive to the sound leakage shifting to the mid-high frequency band; and the addition of a gasket 117 to the movement module 11 is conducive to the sound leakage shifting to the mid-low frequency band, both of which are conducive to improving the sound leakage. Furthermore, in the present application, the frequency range corresponding to the low frequency band can be 20-150Hz, the frequency range corresponding to the mid-frequency band can be 150-5kHz, and the frequency range corresponding to the high frequency band can be 5k-20kHz. Among them, the frequency range corresponding to the mid-low frequency band can be 150-500Hz, and the frequency range corresponding to the mid-high frequency band can be 500-5kHz.

[0457] Combine Figures 5 to 7, the side of the vibration panel 114 away from the transducer device 112 may include a skin contact area 1141 for contacting the user's skin and an air conduction enhancement area 1142 that is at least partially not in contact with the user's skin. The vibration panel 114 can drive the air outside the earphone 10 to vibrate through the air conduction enhancement area 1142 to form sound waves. In other words, the movement module 11 generates both bone conduction sound and air conduction sound through the vibration panel 114, and the phases of the two are the same, so as to allow the air conduction sound to enhance the bone conduction sound, thereby improving the sound quality of the earphone 10. Among them, the air conduction enhancement area 1142 can be at least partially inclined relative to the skin contact area 1141 and extend toward the transducer device 112, and the inclination angle of the air conduction enhancement area 1142 relative to the skin contact area 1141 (for example Figure 5 and Figure 6 θ) can be between 0 and 75°, preferably between 0 and 60°; and / or, the width of the positive projection of the air conduction enhancement area 1142 along the vibration direction of the transducer 112 (e.g. Figures 5 to 7 The air conduction enhancement area 1142 can be greater than or equal to 1 mm, preferably greater than or equal to 2 mm. In this way, the size of the air conduction enhancement area 1142 is increased, thereby increasing the enhancement effect of air conduction sound on bone conduction sound. Further, the air conduction enhancement area 1142 can be set to a curved surface (for example Figure 5 As shown), it can also be set as a plane (for example Figure 6 shown).

[0458] In some embodiments, for example Figure 5 The air conduction enhancement area 1142 can be tilted entirely relative to the skin contact area 1141 and extend toward the transducer device 112 .

[0459] In some other embodiments, for example Figure 6 , the air conduction enhancement area 1142 can be partially inclined relative to the skin contact area 1141 (ie, θ≠0) and extend toward the transducer 112, and the other part can be spaced apart from the skin contact area 1141 in the vibration direction of the transducer 112, for example, parallel to the skin contact area 1141 (ie, θ=0). Figure 27 When a border 116 is provided on the movement housing 111, when observed along the vibration direction of the transducer device 112, the border 116 can partially overlap with the air conduction enhancement area 1142 and be staggered with the skin contact area 1141, so as to allow the border 116 to stop the vibration panel 114 in the vibration direction of the transducer device 112.

[0460] In other embodiments, for example Figure 7In the worn state, the air conduction enhancement area 1142 is at least partially directed toward the entrance of the external auditory canal of the user's ear, so as to allow the sound waves generated by the vibration panel 114 to be directed toward the entrance of the external auditory canal, thereby increasing the enhancement effect of air conduction sound on bone conduction sound. As an example, the vibration panel 114 has a long axis direction and a short axis direction that are perpendicular to the vibration direction of the transducer 112 and orthogonal to each other. The size of the vibration panel 114 in the aforementioned long axis direction is greater than the size of the vibration panel 114 in the aforementioned short axis direction. For example, when viewed along the vibration direction, the vibration panel 114 is arranged in an elliptical or rounded rectangular or runway shape. In the worn state, the aforementioned long axis direction points to the top of the user's head, and the aforementioned short axis direction points to the entrance of the external auditory canal of the user's ear. In this way, the movement module 11 can be closer to the external auditory canal as a whole in the worn state, so that the movement module 11 can transmit the mechanical vibration generated by the transducer 112 in a bone conduction manner while causing more air in the external auditory canal to vibrate (i.e., air conduction sound), thereby increasing the volume of the sound heard by the user.

[0461] Combine Figures 8 to 10 The core module 11 may be provided with an acoustic cavity connected to the accommodating cavity 100, and the acoustic cavity is used to absorb the sound energy of the sound waves generated by the air in the accommodating cavity 100 vibrating with the transducer 112. The aforementioned sound waves can be output to the outside of the earphone 10 through the mounting hole 1111 to form air-conducted sound.

[0462] In some embodiments, for example Figure 8 The frequency response curve of the above-mentioned sound wave has a resonance peak. The above-mentioned acoustic cavity can be a Helmholtz resonance cavity 200 to weaken the intensity of the above-mentioned resonance peak (specifically, the peak resonance intensity), that is, to suppress the sudden increase of the peak resonance intensity, so that the sound quality of the earphone 10 is more balanced. The peak resonance frequency of the above-mentioned resonance peak can be between 500Hz and 4kHz, preferably between 1kHz and 2kHz. As an example, the Helmholtz resonance cavity 200 can be set on the movement housing 111, such as the side of the second end wall 1114 facing away from the transducer 112; and / or, the Helmholtz resonance cavity 200 can be set on the transducer 112 (such as its magnetic circuit system). Of course, in other embodiments, such as those that highlight a certain frequency point or frequency band, the Helmholtz resonance cavity 200 can be configured to weaken the vibration intensity of the frequency response curve of the above-mentioned air-conducted sound within a preset frequency band, and the preset frequency band may not cover the above-mentioned resonance peak. Among them, the difference between the intensity of the aforementioned resonance peak when the opening connecting the Helmholtz resonance cavity 200 to the accommodating cavity 100 is in an open state and the intensity of the aforementioned resonance peak when the opening connecting the Helmholtz resonance cavity 200 to the accommodating cavity 100 is in a closed state can be greater than or equal to 3dB, and the corresponding frequency response curve can be measured under the condition of an excitation voltage of 1V.

[0463] In some other embodiments, for example Figure 9 and Figure 10 The acoustic cavity can be an acoustic filter 300, and the cutoff frequency of the acoustic filter 300 can be less than or equal to 5kHz, preferably less than or equal to 4kHz, so as to weaken the acoustic energy of the frequency band greater than the above cutoff frequency. Figure 9 , the acoustic filter 300 can be located on the side of the transducer 112 away from the vibration panel 114, that is, a rear acoustic filter. Figure 10 The acoustic filter 300 can be located on the side of the transducer device 112 facing the vibration panel 114, that is, a pre-acoustic filter. For example, the first end wall 1113 can include a first sub-end wall 11131 and a second sub-end wall 11132 spaced apart in the vibration direction of the transducer device 112. The mounting hole 1111 passes through the first sub-end wall 11131 and the second sub-end wall 11132 along the vibration direction of the transducer device 112. The first sub-end wall 11131 and the second sub-end wall 11132 cooperate with the inner cylinder wall 1112 to form the acoustic filter 300. The gap between the first sub-end wall 11131 and the second sub-end wall 11132 in the vibration direction of the transducer device 112 can be between 0.5 mm and 5 mm, preferably between 1 mm and 3 mm.

[0464] Combine Figure 11The transducer device 112 may include a bracket 1121, a second vibration transmitting plate 1122, a magnetic circuit system and a coil 1123. The bracket 1121 is connected to the movement housing 111 through the first vibration transmitting plate 113. The second vibration transmitting plate 1122 connects the bracket 1121 and the magnetic circuit system to suspend the magnetic circuit system in the accommodating cavity 100. The coil 1123 is connected to the bracket 1121 and extends into the magnetic gap of the magnetic circuit system along the vibration direction of the transducer device 112. At this time, the vibration panel 114 can be connected to the bracket 1121 through the connecting member 115. As an example, the peripheral area of the first vibration transmitting plate 113 can be connected to the movement housing 111, and the central area of the first vibration transmitting plate 113 can be connected to the bracket 1121; the peripheral area of the second vibration transmitting plate 1122 can be connected to the bracket 1121, and the central area of the second vibration transmitting plate 1122 can be connected to the magnetic circuit system. Of course, in some other embodiments, the peripheral area of the second vibration transmitting plate 1122 can be connected to the magnetic circuit system, and the central area of the second vibration transmitting plate 1122 can be connected to the bracket 1121. In this case, the magnetic circuit system can be connected to the peripheral area of the second vibration transmitting plate 1122 via a cylindrical connector. The aforementioned magnetic circuit system can include a magnetic cover 1124 and a magnet 1125 connected to the bottom of the magnetic cover 1124. The number of magnets 1125 can be one or at least two as needed. The magnet 1125 can be connected to the central area of the second vibration transmitting plate 1122 and spaced apart from the magnetic cover 1124 in a direction perpendicular to the vibration direction of the transducer device 112 to form the aforementioned magnetic gap. The coil 1123 extends between the magnet 1125 and the magnetic cover 1124. It is worth noting that: in some embodiments, such as those in which an annular magnet surrounding the magnet 1125 is provided on the inner side of the magnetic cover 1124, although the magnetic gap is specifically formed between the annular magnet and the magnet 1125, the magnetic gap is still located between the magnetic cover 1124 and the magnet 1125. Therefore, it can still be regarded as the magnetic gap formed by the magnet 1125 and the magnetic cover 1124 being spaced apart in a direction perpendicular to the vibration direction of the transducer device 112.

[0465] In some embodiments, combined Figure 27 and Figure 28The central area of the first vibration transmission piece 113 can be nested on the bracket 1121, and the peripheral area of the first vibration transmission piece 113 can be pressed on the inner cylinder wall 1112 by the first end wall 1113; the central area of the second vibration transmission piece 1122 can be nested on the bracket 1121, and is farther away from the vibration panel 114 than the first vibration transmission piece 113, and the peripheral area of the second vibration transmission piece 1122 can be fixed on a cylindrical connecting piece; the side wall of the magnetic conductive cover 1124 of the magnetic circuit system can be connected to the aforementioned cylindrical connecting piece, so that the magnetic circuit system is connected to the bracket 1121 through the second vibration transmission piece 1122; the coil 1123 is connected to the side of the bracket 1121 away from the first vibration transmission piece 113 and the second vibration transmission piece 1122, and extends into the magnetic gap between the magnetic conductive cover 1124 and the magnet 1125. At this time, since the side wall of the magnetic cover 1124 is connected to the second vibration transmission plate 1122 through a cylindrical connecting piece, a cavity is formed inside the transducer device 112. Without making other structural improvements, the cavity will only be connected to the accommodating cavity 100 through the hollow area on the second vibration transmission plate 1122, causing the transducer device 112 to have a more serious acoustic cavity effect during the vibration process, thereby causing greater sound leakage.

[0466] In some embodiments, combined Figure 46 and Figure 11 , the bracket 1121 can be connected to the movement housing 111 through the first vibration transmitting plate 113, the second vibration transmitting plate 1122 can be connected to the first vibration transmitting plate 113 through the bracket 1121, and the magnetic circuit system can be connected to the central area of the second vibration transmitting plate 1122 to suspend the magnetic circuit system in the accommodating cavity, and the coil 1123 extends into the magnetic gap of the magnetic circuit system along the vibration direction of the transducer 112. The aforementioned magnetic gap surrounds the position where the magnetic circuit system is connected to the second vibration transmitting plate 1122. In this way, since the magnetic circuit system is connected to the central area of the second vibration transmitting plate 1122, the magnetic circuit system does not need to be provided with a cylindrical connector connected to the peripheral area of the second vibration transmitting plate 1122, that is, the aforementioned cylindrical connector can be eliminated to allow the inside and outside of the transducer 112 to have a larger connecting area, which is conducive to suppressing the above-mentioned acoustic cavity effect, thereby improving the sound leakage of the earphone 10. For example: the magnet 1125 of the magnetic circuit system is connected to the central area of the second vibration transmission plate 1122, and the side wall of the magnetic cover 1124 can therefore be spaced apart from the second vibration transmission plate 1122 in the vibration direction of the transducer device 112 to form a channel connecting the aforementioned magnetic gap with the outside of the magnetic circuit system, thereby increasing the area connecting the inside and outside of the transducer device 112.

[0467] As an example, combining Figure 47 and Figure 46The bracket 1121 may include a first bracket 11212 and a second bracket 11213. The first bracket 11212 may be connected to the central area of the first vibration transmitting plate 113, and the second bracket 11213 may be connected to the peripheral area of the second vibration transmitting plate 1122. Correspondingly, the second bracket 11213 and the vibration panel 114 may be connected to the first bracket 11212, respectively, and the coil 1123 may be connected to the second bracket 11213. At this time, since the position where the coil 1123 is connected to the second bracket 11213 corresponds to the peripheral area of the second vibration transmitting plate 1122, the above-mentioned magnetic gap can surround the central area where the magnetic circuit system is connected to the second vibration transmitting plate 1122. The first bracket 11212 and the first vibration transmitting plate 113 may be integrally formed by a metal insert injection molding process, and the second bracket 11213 and the second vibration transmitting plate 1122 may also be integrally formed by a metal insert injection molding process. Accordingly, one of the first bracket 11212 and the second bracket 11213 may be provided with a socket, and the other may be provided with a socket post embedded in the socket, and the socket post extends into the socket, so as to connect the first bracket 11212 and the second bracket 11213. In this embodiment, the first bracket 11212 and the second bracket 11213 are provided with a socket 11215 and a socket post 11216, respectively, as an example for illustrative description.

[0468] Furthermore, the transducer device 112 may include a suspension 11214 connected to the central region of the second vibration transmitting plate 1122. The second bracket 11213 is located on the periphery of the suspension 11214 and spaced apart from the suspension 11214 in a direction perpendicular to the vibration direction of the transducer device 112. The magnet 1125 of the magnetic circuit system may be connected to the suspension 11214. In this way, the magnetic gap between the magnetic conductive cover 1124 and the magnet 1125 surrounds the central region where the magnet 1125 is connected to the second vibration transmitting plate 1122.

[0469] Furthermore, the magnet 1125 can be a permanent magnet, or it can include a first magnetic member 11251, a magnetic conductive member 11252, and a second magnetic member 11253 stacked along the vibration direction of the transducer device 112, wherein the second magnetic member 11253 is closer to the second vibration transmission plate 1122 than the first magnetic member 11251, for example, the first magnetic member 11251 is connected to the bottom of the magnetic conductive cover 1124. The first magnetic member 11251 and the second magnetic member 11253 have different magnetization directions, for example, their magnetization directions are opposite to each other. Furthermore, when the side wall of the magnetic conductive cover 1124 is projected onto the outer peripheral surface of the magnet 1125 in a direction perpendicular to the vibration direction of the transducer device 112, it can at least overlap with the magnetic conductive member 11252, so that the magnetic field formed by the magnet 1125 is more concentrated within the aforementioned magnetic gap, thereby reducing sound leakage. Preferably, the coil 1123 can at least overlap with the magnetic conductive part 11252 when it is projected onto the outer peripheral surface of the magnet 1125 in a direction perpendicular to the vibration direction of the transducer device 112, so that the magnetic field formed by the magnet 1125 passes through the coil 1123 more, thereby increasing the utilization rate of the magnetic field.

[0470] Furthermore, the magnetic shield 1124 may be provided with a connecting hole 11241 connecting the aforementioned magnetic gap and the external space of the magnetic circuit system, so as to increase the area of the internal and external connections of the transducer device 112, thereby weakening the acoustic cavity effect. Of course, the bracket 1121 may also be provided with a connecting hole 11211 extending along the vibration direction of the transducer device 112, and the above-mentioned cylindrical connector may also be provided with a through hole extending in a direction perpendicular to the vibration direction of the transducer device 112, so as to further increase the area of the internal and external connections of the transducer device 112, thereby weakening the acoustic cavity effect. This is because, in the process of generating mechanical vibration, the transducer device 112 will cause the air on opposite sides of its vibration direction to compress or expand, that is, to form positive and negative sound pressures; and the aforementioned connecting hole can connect the air on opposite sides of the transducer device 112, thereby canceling out the opposite phases.

[0471] In some embodiments, when not worn, the vibration panel 114 has a frequency response curve having a resonance valley, a first resonance peak, and a second resonance peak within a frequency range of 80 Hz to 2 kHz. The peak frequencies of the resonance valley, the first resonance peak, and the second resonance peak are defined as f0, f1, and f2, respectively, and satisfy the relationship: f0 < f1 < f2. Here, 80 Hz ≤ f0 ≤ 400 Hz, 80 Hz ≤ f1 ≤ 400 Hz, and 100 Hz ≤ f2 ≤ 2 kHz.

[0472] In some embodiments, when not worn, the vibration panel 114 has a frequency response curve having only one resonance peak within a frequency range of 80 Hz to 2 kHz, wherein the peak frequency of the resonance peak is between 100 Hz and 2 kHz.

[0473] In some embodiments, when not worn, the vibration panel 114 has a frequency response curve having a first resonance peak and a second resonance peak within a frequency range of 80 Hz to 2 kHz, and no resonance valley. The peak frequency of the first resonance peak is between 80 Hz and 400 Hz, and the peak frequency of the second resonance peak is between 100 Hz and 2 kHz.

[0474] In some embodiments, when not worn, the frequency response curve of the vibration panel 114 has a resonance valley, a first resonance peak, and a second resonance peak in the frequency range of 80 Hz to 200 Hz. The peak frequencies of the resonance valley, the first resonance peak, and the second resonance peak are defined as f0, f1, and f2, respectively, and satisfy the relationship: f0 < f2, f1 < f2.

[0475] In some embodiments, the mass of the movement housing 111 is greater than or equal to 1.2g, preferably greater than or equal to 1.5g; and / or the stiffness of the first vibration transmission plate 113 is less than or equal to 2500N / m. Furthermore, the mass of the magnetic circuit system is greater than or equal to 3g, preferably greater than or equal to 5g; and / or the stiffness of the second vibration transmission plate 1122 is greater than or equal to 3000N / m, preferably greater than or equal to 5000N / m.

[0476] In some embodiments, the mass of the movement housing 111 is less than or equal to 0.5g, preferably less than or equal to 0.3g; and / or the stiffness of the first vibration transmission plate 113 is greater than or equal to 2000N / m, preferably greater than or equal to 5000N / m.

[0477] In some embodiments, in the non-wearing state, the frequency response curve of the vibration panel 114 has a resonance peak, the resonance peak is strongly related to the stiffness of the bracket 1121, and the peak frequency of the resonance peak is greater than or equal to 4kHz, preferably greater than or equal to 5kHz. 5 N / m, preferably greater than or equal to 5×10 5 N / m.

[0478] Combine Figure 12 The earphone 10 may further include a headband assembly 12 connected to the core module 11. The headband assembly 12 is used to pass over the top of the user's head and allow the core module 11 to be located in front of the user's ear. Of course, the core module 11 may also be located in the back of the user's ear or other locations, or may be located partially in front of or behind the user's ear. In some embodiments, for example Figure 34The movement module 11 can contact the user's cheek through the movement housing 111 (specifically, the first end wall 1113), that is, the side of the movement housing 111 facing away from the adapter housing 13 forms a contact surface for contacting the user's skin. In some other embodiments, for example Figure 1 , the movement module 11 can contact the user's cheek through the vibration panel 114. In other embodiments, for example Figure 3 The core module 11 can contact the user's cheek through the vibration panel 114 and the edge 116. Figure 45 The movement module 11 can contact the user's cheek through the vibration panel 114 and the porous structure 1167 on the edge 116.

[0479] It should be noted that: in addition to Figure 12 In addition to the headband assembly 12 shown, the core module 11 can be connected to other types of support assemblies. The aforementioned support assembly is used to support the core module 11 to be worn in the wearing position, and also allows the user to wear the headphones 10. For example, the aforementioned support assembly includes a rear hanging structure and ear hook structures connected to both ends of the rear hanging structure. The rear hanging structure is used to bypass the back of the user's head when worn, and the two ear hook structures are used to hang on the left and right ears of the user when worn. Furthermore, the aforementioned wearing position can be the position where the user's cheek is close to the ear or the user's ear is away from the front of the head.

[0480] As an example, in the wearing state, the headband assembly 12 and the top of the user's head can form a first contact point (for example Figures 13 to 17 CP1 in the figure), the core module 11 forms a second contact point with the user's cheek (for example Figures 13 to 17 CP2 in the figure), the distance between the second contact point and the first contact point in the direction of the human body sagittal axis (for example Figures 13 to 17W in the figure) can be between 20mm and 30mm, preferably between 22mm and 28mm; further, the distance between the second contact point and the first contact point in the direction of the human body's sagittal axis is preferably 25mm. When this distance is guaranteed, the movement module 11 can be naturally worn on the user's cheek near the ear. The movement module 11 vibrates at the aforementioned wearing position to generate sound waves, which can be transmitted to the user's central nervous system in the shortest path, so that the transmission efficiency of the sound waves is higher and the sound loss is less. Among them, when observed along the direction of the human body's coronal axis, the first contact point can be located directly above the user's ear, and the second contact point can be located directly in front of the user's ear. Further, the headband assembly 12 may include an arc-shaped headband component 121 and an adapter 122. The arc-shaped headband component 121 is used to bypass the top of the user's head, and the two ends of the adapter 122 are respectively connected to the arc-shaped headband component 121 and the movement module 11. Among them, the arc-shaped head beam component 121 can be located above the user's ear and form a first contact point with the top of the user's head. As an example, the material of the arc-shaped head beam component 121 can be plastic, and the material of the adapter 122 can be metal; of course, the materials of both can also be plastic or metal. Among them, when the movement module 11 is configured to be able to approach or move away from the arc-shaped head beam component 121 in the extension direction of the head beam assembly 12, for example, the adapter 122 is away from one end of the movement module 11 (specifically, it can be the first connecting section 1221 mentioned later) and can extend or retract the arc-shaped head beam component 121. The part where the arc-shaped head beam component 121 cooperates with the adapter 122 can also be configured as a metal part to locally enhance the wear resistance of both.

[0481] It should be noted that: Although Figures 13 to 17 Only the contact point between the earphone 10 and the user's head on one side is shown, but the earphone 10 is generally arranged in a bilaterally symmetrical structure, for example Figure 12 The two ends of the headband assembly 12 shown are respectively connected to a movement module 11, so that each movement module 11 forms a second contact point with the user's cheek, that is, the earphone 10 and the user's head can actually form a first contact point and two contact points, which is referred to as "three-point wearing".

[0482] Combine Figure 48 and Figure 16 In the wearing state, and when observed along the direction of the human body's coronal axis, the vibration panel 114 is oriented toward the center of one side of the above-mentioned wearing position (for example Figure 48 CP2 in the direction of the human body sagittal axis is the center of the movement shell 111 toward the aforementioned wearing position (eg Figure 48CP0 in the figure) is closer to the external auditory canal of the user's ear. In other words, when the structures of the above-mentioned support assembly and the movement module 11 are certain, the vibration panel 114 is set to be offset relative to the movement housing 111, so that when the movement module 11 vibrates at the aforementioned wearing position to generate sound waves, the sound waves can be transmitted to the user's central nervous system in the shortest path, so that the transmission efficiency of the sound waves is higher and the sound loss is less. In addition, the vibration panel 114 is closer to the external auditory canal in the wearing state, so that the movement module 11 transmits the mechanical vibration generated by the transducer 112 in a bone conduction manner, while causing more air in the external auditory canal to vibrate (that is, air-conducted sound), thereby increasing the volume of the sound heard by the user. It is worth noting that: in the embodiment where the movement module 11 includes a surrounding edge 116, the vibration panel 114 is offset relative to the surrounding edge 116, that is, the centers of the two facing the side of the wearing position do not overlap.

[0483] In some embodiments, the center of the vibration panel 114 projected onto the movement housing 111 along the vibration direction of the transducer device 112 coincides with the center of the transducer device 112 projected onto the movement housing 111 along the aforementioned vibration direction, that is, the vibration panel 114 is not offset relative to the transducer device 112, for example, the position where the bracket 1121 is connected to the vibration panel 114 is at the center of the vibration panel 114; and the center of the transducer device 112 projected onto the movement housing 111 along the aforementioned vibration direction does not coincide with the center of the movement housing 111 on the side facing the transducer device 112 in the aforementioned vibration direction, that is, the transducer device 112 as a whole is offset relative to the movement housing 111.

[0484] In some other embodiments, the center of the transducer device 112 projected onto the movement housing 111 along its vibration direction coincides with the center of the movement housing 111 on the side facing the transducer device 112 in the aforementioned vibration direction, that is, the transducer device 112 as a whole is not offset relative to the movement housing 111; and the center of the vibration panel 114 projected onto the movement housing 111 along the aforementioned vibration direction does not coincide with the center of the transducer device 112 projected onto the movement housing 111 along the aforementioned vibration direction, that is, the vibration panel 114 is offset relative to the transducer device 112, for example, the position where the bracket 1121 is connected to the vibration panel 114 is not at the center of the vibration panel 114, so that the vibration panel 114 is offset relative to the movement housing 111.

[0485] Furthermore, the earphone 10 may include a connecting shell 13 connecting the core shell 111 and the supporting assembly (eg, the headband assembly 12). Figure 20 、 Figure 27 and Figure 28, the adapter shell 13 may include a cylindrical side wall 134 located on the periphery of the core shell 111, and the cylindrical side wall 134 may be connected to the headband assembly 12. Based on this, the orthographic projections of the core shell 111 and the cylindrical side wall 134 on the reference plane perpendicular to the vibration direction of the transducer 112 respectively have a first center and a second center. Among them, in the wearing state, the first center may be closer to the external auditory canal of the user's ear than the second center. In other words, combined with Figure 46 and Figure 28 When the structures of the supporting assembly and the movement module 11 are constant, the movement housing 111 is set to be offset relative to the adapter housing 13, so that the movement module 11 vibrates at the aforementioned wearing position to generate sound waves, which can be transmitted to the user's central nervous system via the shortest path, making the transmission efficiency of the sound waves higher and the sound loss less.

[0486] As an example, combining Figure 48 and Figure 46 The core housing 111 can be arranged relative to the adapter housing 13 around a first axis (eg Figure 48 The movement module 111 is rotated (as shown in A1) to make the movement module 11 better fit the wearing position. The first center and the second center are spaced apart in the direction of the first axis. In other words, in the direction of the first axis, if one side of the movement housing 111 is closer to the cylindrical side wall 134, then the other side of the movement housing 111 can be farther away from the cylindrical side wall 134, that is, the gap between the movement housing 111 and the cylindrical side wall 134 may not be equal in the direction of the first axis. Furthermore, the first center and the second center may be on the first axis, that is, the movement module 11 is only translated a distance along the first axis.

[0487] In some embodiments, combined Figures 13 to 16 In the wearing state, and when viewed along the direction of the human coronal axis, the headband assembly 12 is at least partially tilted relative to the vertical axis of the human body, for example, extending obliquely toward the front of the user, so as to form the first contact point and the second contact point. In this case, the adapter 122 can be provided in a rod-shaped or sheet-shaped form. For example: Figure 13 , observed along the direction of the human coronal axis, the arc-shaped head beam 121 is tilted relative to the vertical axis of the human body, and the adapter 122 is parallel to the vertical axis of the human body. At this time, the adapter 122 can be connected to the side of the movement module 11 facing the top of the user's head. For another example: combined with Figure 14 , observed along the direction of the human body's coronal axis, the arc-shaped head beam 121 is tilted relative to the vertical axis of the human body, and the adapter 122 is also tilted relative to the vertical axis of the human body, and the inclination angles of the two relative to the vertical axis of the human body are the same. At this time, the adapter 122 can be connected to the side of the movement module 11 away from the user's cheek. For another example: combined with Figure 15, observed along the direction of the human body's coronal axis, the arc-shaped head beam 121 is tilted relative to the human body's vertical axis, and a portion of the adapter 122 is tilted relative to the human body's vertical axis, and the other portion is parallel to the human body's vertical axis. At this time, the adapter 122 can be connected to the side of the movement module 11 away from the user's ear. For another example: combined with Figure 16 , viewed along the direction of the human coronal axis, the arc-shaped headrest member 121 is parallel to the human body's vertical axis, and a portion of the adapter 122 is inclined relative to the human body's vertical axis, while the other portion is parallel to the human body's vertical axis. At this time, the adapter 122 can be connected to the side of the movement module 11 facing the user's head.

[0488] In some other embodiments, combined Figure 17 , the adapter 122 can be provided in a ring shape. In this case, when worn and viewed along the direction of the human coronal axis, the arc-shaped headband 121 can be parallel to the human body's vertical axis, and the adapter 122 can be placed around the periphery of the user's ear, similarly forming the first and second contact points. The adapter 122 can be in a continuous, closed ring shape, or in a discontinuous ring shape (e.g., C-shaped or U-shaped).

[0489] It should be noted that in fields such as medicine and anatomy, the human body can be defined as three basic planes: the sagittal plane, the coronal plane, and the horizontal plane, as well as three basic axes: the sagittal axis, the coronal axis, and the vertical axis. The sagittal plane refers to a plane perpendicular to the ground, drawn along the anterior-posterior direction of the body, dividing the body into left and right halves. The coronal plane refers to a plane perpendicular to the ground, drawn along the lateral-lateral direction of the body, dividing the body into anterior-posterior halves. The horizontal plane refers to a plane parallel to the ground, drawn along the lateral-lateral direction of the body, dividing the body into upper and lower halves. Accordingly, the sagittal axis refers to the axis perpendicular to the coronal plane, the coronal axis refers to the axis perpendicular to the sagittal plane, and the vertical axis refers to the axis perpendicular to the horizontal plane.

[0490] As an example, and in combination Figure 12 、 Figure 16 and Figure 20The adapter 122 may include a first connecting section 1221, an intermediate transition section 1222, and a second connecting section 1223. The intermediate transition section 1222 connects the first connecting section 1221 and the second connecting section 1223. The first connecting section 1221 and the second connecting section 1223 are respectively bent relative to the intermediate transition section 1222 and extend in opposite directions. At this time, the first connecting section 1221 can be connected to the arc-shaped head beam member 121, and the second connecting section 1223 can be connected to the movement module 11. When observed along the direction of the human body's coronal axis, the intermediate transition section 1222 is inclined relative to the human body's vertical axis to form the first contact point and the second contact point.

[0491] Furthermore, the bending angle of the first connecting section 1221 relative to the intermediate transition section 1222 (for example Figure 16 1) can be greater than or equal to 90° and less than 180°; and / or, the bending angle of the second connecting section 1223 relative to the intermediate transition section 1222 (e.g. Figure 16 The angle (shown as θ2) can be greater than or equal to 90° and less than 180°. In this way, the adapter 122 can more smoothly transition and connect the arc-shaped head beam 121 and the movement module 11. In the wearing state, and observed along the direction of the human body's coronal axis, the first connecting segment 1221 can be parallel to the second connecting segment 1223. At this time, the distance between the first connecting segment 1221 and the second connecting segment 1223 (for example Figure 16 W in the figure) can be between 20 mm and 30 mm, preferably between 22 mm and 28 mm.

[0492] It should be noted that: Figure 19 The adapter 122 may also have a curved arc from other perspectives (for example, when observed along the direction of the human body's sagittal axis). For example, the adapters 122 at both ends of the arc-shaped headband component 121 extend close to each other in the same direction, so that the earphones 10 can better contact the user's head, and the headband assembly 12 can also provide a clamping force for the movement module 11.

[0493] Further, combined with Figure 20The first connecting section 1221 and the second connecting section 1223 can each be provided with a wiring cavity, for example, both are hollow tubular arrangements, and the intermediate transition section 1222 can be provided with a slot 1224, which is used to connect the wiring cavities of the first connecting section 1221 and the second connecting section 1223, so as to allow the wiring of the earphone 10 to extend from the movement module 11 through the adapter 122 to the arc-shaped headband component 121. The wiring of the earphone 10 can be configured as a wire, a flexible circuit board, etc. Accordingly, the headband assembly 12 can also include a seal embedded in the slot 1224, which covers the wiring, thereby improving the waterproof and dustproof properties of the earphone 10 and also improving the appearance of the earphone 10. The seal can be a cured colloid or a cover plate. Of course, in some other embodiments, the wiring of the earphone 10 can also be exposed to the adapter 122; accordingly, the adapter 122 can be configured as a solid structure.

[0494] The inventors of the present application have discovered in long-term research that when the headband assembly 12 applies a pressing force between 0.4N and 0.8N to press the movement module 11 against the user's cheek, that is, in the wearing state, the pressing force of the movement module 11 on the user's cheek can be between 0.4N and 0.8N, preferably between 0.5N and 0.6N, and the user can obtain excellent wearing stability and comfort as well as good sound quality. Among them, the pressing force can be measured with the help of a clamping force testing machine (FL-86161A, Bowen Instruments). Specifically, during the measurement, the earphones 10 are clamped on both sides of the parallel plates of the clamping force testing machine and supported on the middle fork of the clamping force testing machine; then, the parallel plates of the clamping force testing machine make the two movement modules 11 deviate from each other and have a test spacing (for example, the average width of a human head is 145mm), thereby simulating the user wearing the earphones 10. At this time, the corresponding pressing force can be measured by reading the value displayed on the clamping force testing machine. Different users have different head sizes (e.g., "big heads" and "small heads"). Therefore, the headband assembly 12 can be configured with an adjustable arc length to meet the wearing requirements of different users for the earphones 10. Furthermore, the present application hopes that different users can obtain consistent compression force when wearing the earphones 10.

[0495] As an example, the first connecting section 1221 can extend or retract the arc-shaped head beam member 121 under the action of an external force, allowing the movement module 11 to move closer to or further away from the arc-shaped head beam member 121 in the extension direction of the head beam assembly 12, thereby adjusting the arc length of the head beam assembly 12. Of course, the second connecting section 1223 can also extend or retract the movement module 11 under the action of an external force, similarly adjusting the arc length of the head beam assembly 12.

[0496] Further, combined with Figure 12, both ends of the arc-shaped head beam component 121 may be provided with an adapter 122 and a movement module 11. Among them, the head beam component 12 provides a first pressing force for the movement module 11 in the first usage state, and provides a second pressing force for the movement module 11 in the second usage state. The absolute value of the difference between the second pressing force and the first pressing force may be between 0 and 0.1N, preferably between 0 and 0.05N. In this way, when different users wear the earphones 10, that is, the head beam component 12 has different arc lengths and the two movement modules 11 have different spacings, the head beam component 12 makes the pressing force applied by the movement module 11 to the user's cheek not much different, thereby increasing the adaptability of the earphones 10 to different users.

[0497] It should be noted that: the first usage state can be defined as a usage state in which each adapter 122 has a first extension relative to the arc-shaped head beam 121, and a first spacing is provided between the two movement modules 11; the second usage state can be defined as a usage state in which each adapter 122 has a second extension relative to the arc-shaped head beam 121, and a second spacing is provided between the two movement modules 11. The second extension is greater than the first extension, and the second spacing is greater than the first spacing. In short, the first usage state may tend to be for users with small heads to wear the earphones 10, and the second usage state may tend to be for users with large heads to wear the earphones 10. Therefore, when the movement module 11 is closest to the arc-shaped head beam 121, the first extension can take the minimum value; and when the movement module 11 is farthest from the arc-shaped head beam 121, the second extension can take the maximum value.

[0498] The inventors of this application have found in long-term research that under the same conditions, parameters such as the stiffness and bending degree of the arc-shaped head beam member 121 and the adapter member 122 have a certain influence on the clamping force that the head beam assembly 12 can provide. A qualitative analysis is now conducted on this.

[0499] For cantilever beams, combined Figure 18 The cantilever beam will bend under the action of loads such as concentrated force and distributed load, and its maximum deflection w max Occurs at the free end of the cantilever beam.

[0500] For a cantilever beam with uniform cross-section, Figure 18 In (a), based on material mechanics, the deflection of the free end satisfies the following relationship (1).

[0501]

[0502] Where EI is the cross-sectional bending stiffness, M(x) is the cross-sectional bending moment, E is the Young's modulus of the material, and I is the cross-sectional moment of inertia.

[0503] For variable cross-section cantilever beams, combined with Figure 18In (b), since the cross-sectional properties of a variable-section beam change, the segment-by-segment stiffness method can be used to analyze the free-end displacement. This method treats the variable-section cantilever beam as consisting of multiple cantilever beams of equal cross-section. When calculating deformation, all cantilever beam segments other than the one being studied can be treated as rigid bodies. Finally, the displacements and deformations under the same load conditions are superimposed. This method is often used for overhanging cantilever beams or variable-section cantilever beams. Accordingly, the free-end deflection satisfies the following relationship (2).

[0504]

[0505] For example, Figure 12 For the headset shown, the left and right sides of the headset 10 can be simplified to a symmetrical structure, so the force analysis is performed on only one side. The headset 10 satisfies the moment balance equation, i.e., the following equation (3), whether in the first usage state (e.g., retracted state) or the second usage state (e.g., extended state).

[0506] M=F·L (3)

[0507] Where M is the bending moment of the earphone 10 at the top of the head (e.g., the first contact point CP1), F is the pressing force provided by the headband assembly 12 to the core module 11 in a certain use state, and L is the lever arm from the equivalent concentrated action point of the core module 11 (e.g., the second contact point CP2) to the top of the head. Figure 19 Taking the fully retracted condition (e.g., the adapter 122 extends to the minimum relative to the arc-shaped head beam 121) as a reference, assuming that the position of the equivalent concentrated action point on the movement module 11 does not change due to the telescopic adjustment of the head beam assembly 12, then in the fully extended condition (e.g., the adapter 122 extends to the maximum relative to the arc-shaped head beam 121), the lever arm L increases. Based on this, and in combination with the above-mentioned moment balance equation (2), the variation law of the bending moment M can be studied to obtain the variation law of the pressing force F.

[0508] Combine Figure 19 , in fully retracted (e.g. Figure 19 ) and fully extended (e.g. Figure 19 Under two different working conditions (as shown in the "extended state" in the figure), the earphone 10 is respectively opened from the initial free state to the final state of the corresponding spacing (for example, the average width of the human head is 145 mm); it is now assumed that in the critical state, the clamping force of the two is the same, that is, whether in the contracted state or the extended state, the headband assembly 12 can provide the same or similar clamping force for the movement module 11.

[0509] For the fully retracted working condition, the head beam assembly 12 can be simply regarded as a cantilever beam with a uniform cross-section (i.e., the arc segment S1 where the arc-shaped head beam member 121 is located). The deflection of its free end, i.e., formula (1), is integrated along the arc segment S1 to obtain the following relationship (4).

[0510]

[0511] Where E1I1 is the cross-sectional bending stiffness of the arc segment S1, and L1(s) is the lever arm function of the concentrated force F on the cross section of the arc segment S1.

[0512] For the fully extended working condition, the beam assembly 12 can be simply regarded as a cantilever beam with a variable cross-section (i.e., the arc segment S1 where the arc-shaped head beam member 121 is located and the arc segment S2 where the adapter member 122 is located). The deflection of its free end, i.e., formula (2), is integrated along the arc segment S1 and the arc segment S2 respectively and summed to obtain the following relationship (5).

[0513]

[0514] Where E2I2 is the cross-sectional bending stiffness of arc segment S2, and L2(s) is the moment arm function of the concentrated force F on the cross section of arc segment S2. The first two terms on the right side of the equation are the deformation of arc segment S1, the third term is the deformation of arc segment S2, and l is the vertical component of arc segment S2.

[0515] Further, combined with Figure 19 , the above two working conditions satisfy the following relationship (6).

[0516]

[0517] Where h is the component of the arc segment S2 in the horizontal direction. Substitute equations (4) and (5) into equation (6), and denote h in the critical state where the clamping force is the same under the above two working conditions as h cr , then we get relation (7).

[0518]

[0519] Equation (7) actually gives the variation of the compression force of the earphone 10 in the extended or retracted state for the same head width. Accordingly, the actual design value h of the arc segment S2 in the horizontal direction satisfies the following equation (8).

[0520]

[0521] From equations (7) and (8), it can be seen that, assuming that the cross-sectional bending stiffness E1I1 of the arc segment S1 and the component l of the arc segment S2 in the vertical direction remain unchanged, we have:

[0522] 1) The smaller the bending stiffness E2I2 of the arc segment S2 is designed to be (i.e. h cr The larger the diameter is), the smaller the pressing force will be after it is extended;

[0523] 2) The smaller the inward curvature of the arc segment S2 is designed to be (for example, the smaller h is), the smaller the pressing force after it is extended.

[0524] Based on the above detailed analysis, a quantitative explanation is now given. As an example, in the non-wearing state, when each movement module 11 is closest to or farthest from the arc-shaped head beam 121, the adapters 122 at both ends of the arc-shaped head beam 121 are relative to the first reference plane (for example Figure 19 RP1) is symmetrically arranged, and the second reference plane (eg, the plane where the paper is located) passes through the line between the two ends of the arc-shaped head beam member 121 (eg Figure 19 RP2 in FIG), and intersects perpendicularly with the first reference plane. In the wearing state, the first reference plane can be parallel to the sagittal plane of the human body, and the second reference plane can be parallel to the coronal plane of the human body. Further, in combination with Figure 19 , when the arc-shaped head beam 121 is in a natural state, and the arc-shaped head beam 121 and the adapter 122 are projected onto the second reference plane, when the movement module 11 is closest to the arc-shaped head beam 121 (for example Figure 19 When the free end of the adapter 122 for connecting the movement module 11 (eg the second connecting section 1223) has a first position (eg Figure 19 L1 in FIG), when the movement module 11 is farthest from the arc-shaped head beam 121 (eg Figure 19 When the free end has a second position (e.g. Figure 19 The line connecting the first position and the second position has a first projection component (eg, Figure 19 h in the figure), and has a second projection component (eg Figure 19 1), the ratio of the second projection component to the first projection component can be greater than or equal to 2. Furthermore, the ratio of the cross-sectional bending stiffness of the adapter 122 to the cross-sectional bending stiffness of the arc-shaped head beam 121 can be less than or equal to 0.9. In other words, the adapter 122 is designed to be soft and straight, which can ensure that the clamping force in the retracted state is greater than the clamping force in the extended state when the distance between the two movement modules 11 is the same; taking into account the fact that the greater the head width, the greater the clamping force, it can be further achieved that the clamping force when the two movement modules 11 are closely spaced and in the retracted state (that is, when a user with a "small head" wears the earphones 10) is the same as or similar to the clamping force when the two movement modules 11 are closely spaced and in the extended state (that is, when a user with a "big head" wears the earphones 10).

[0525] The inventors of this application have discovered through extensive research that, under the same conditions, the number and distribution of contact points between the earphone 10 and the user's head when worn significantly impacts wearing stability. For example, when the head is lowered, the weight of the earphone 10 can cause the earphone 10 to slip or rotate relative to the user's head around the movement module 11, thereby affecting the wearability of the earphone 10.

[0526] As an example, Figures 13 to 17 In the wearing state, the headband assembly 12 can form a first contact point with the top of the user's head, and the core module 11 can form a second contact point with the user's cheek. After the user wears the earphones 10 according to the size of his or her head, and under the action of the pressing force provided by the headband assembly 12 to the core module 11, the earphones 10 can apply a pressing force directed to the user's head at the first contact point and the second contact point respectively. Based on this, in the head-down state, the core module 11 generates a resistance torque under the action of friction due to contact with the user's cheek, and the headband assembly 12 generates another resistance torque under the action of friction due to contact with the top of the user's head. The resultant torque of the above two resistance torques can be greater than or equal to the gravity torque of the earphones 10 relative to the core module 11, that is, the gravity torque of the earphones 10 is overcome in the head-down state, which is conducive to preventing the earphones 10 from slipping or rotating relative to the user's head with the core module 11 as the rotating axis.

[0527] Furthermore, in the wearing state, in addition to the first contact point formed between the headband assembly 12 and the top of the user's head and the second contact point formed between the movement module and the user's cheek, the headband assembly 12 can also form a third contact point with the user's head (for example, Figure 49 (shown as CP3 in the figure), the third contact point is between the aforementioned first contact point and the aforementioned second contact point in the direction of the vertical axis of the human body. After the user wears the earphone 10 according to the size of his head, and under the action of the pressing force provided by the headband assembly 12 to the movement module 11, the earphone 10 can apply a pressing force directed to the user's head at the first contact point, the second contact point and the third contact point respectively. Based on this, in the head-down state, the movement module 11 generates a resistance torque under the action of friction due to contact with the user's cheek, the headband assembly 12 generates another resistance torque under the action of friction due to contact with the top of the user's head, and the headband assembly 12 generates another resistance torque under the action of friction due to contact with other places other than the top of the user's head. The resultant torque of the aforementioned three resistance torques can be greater than the resultant torque of the aforementioned two resistance torques, making it easier to overcome the gravity torque of the earphone 10 in the head-down state, thereby improving the reliability of the earphone 10 in wearing.

[0528] It should be noted that: Figure 12, the two ends of the headband assembly 12 can be connected to a core module 11 respectively, and each core module 11 can form a second contact point with the user's cheek respectively; accordingly, the headband assembly 12 can also form a third contact point with both sides of the user's head respectively. In other words, the earphones 10 can actually form a first contact point, two second contact points and two third contact points with the user's head, referred to as "five-point wearing". Among them, for the third contact point on one side of the user's head, due to the long length of the headband assembly 12 or the differences in the user's head for different people, the number of third contact points can be multiple. Furthermore, when the headband assembly 12 forms the third contact point with the user's head, there is at least a part of the headband assembly 12 that is not in contact with the user's head between the first contact point and the second contact point, that is, the headband assembly 12 is not in full contact with the user's head and forms a corresponding pressing force, so as to maintain a small change in the pressing force at the core module 11.

[0529] Combine Figure 49 The following is an example of the force analysis of the three-point wearing and five-point wearing. Figure 49 (a) is a schematic diagram of the mechanical model when the user is wearing a three-point wearer and observing along the sagittal axis of the human body without lowering his head. Figure 49 (b) is a schematic diagram of the mechanical model when the user lowers his head in the three-point wearing situation and observes along the direction of the human coronal axis. Figure 49 (c) is a schematic diagram of the mechanical model when the user is wearing a five-point wearer and observing along the sagittal axis of the human body without lowering his head. Figure 49 Middle (d) is a schematic diagram of the mechanical model when the user lowers his head in the five-point wearing situation and observes along the direction of the human coronal axis.

[0530] In the above-mentioned three-point wearing and five-point wearing cases, it is assumed that: the size of the user's head remains unchanged, the wearing state of the earphones 10 remains unchanged, so that the distance H of the first contact point relative to the reference line connecting the two movement modules 11 remains unchanged, the pressing force F1 applied by the headband assembly 12 to the top of the user's head remains unchanged, and the weight G of the earphones 10 and the distance L between its equivalent center of gravity and the aforementioned reference line remain unchanged; the area of contact between the movement module 11 and the user's cheek remains unchanged, so that the equivalent force arm r when the movement module 11 acts on the user's cheek remains unchanged; the friction coefficient μ1 between the movement module 11 and the user's cheek and the friction coefficient μ2 between the headband assembly 12 and the user's head remain unchanged. Among them, for the above-mentioned five-point wearing, the distance of the third contact point relative to the aforementioned reference line is h, h<H.

[0531] It is further assumed that the pressing force F2 provided by the headband assembly 12 remains unchanged in the two cases. Then, for the above-mentioned three-point wearing, the pressing force provided by the headband assembly 12 mainly acts on the second contact point, so that the pressing force of the movement module 11 on the user's cheek is F2; for the above-mentioned five-point wearing, the pressing force provided by the headband assembly 12 acts not only on the second contact point, but also on the third contact point, so that the pressing force of the movement module 11 on the user's cheek is less than F2, assuming that the pressing force of the headband assembly 12 on the user's head at the third contact point is F3, then the pressing force of the movement module 11 on the user's cheek is (F2-F3).

[0532] For the above-mentioned three-point wearing, in the head-down state, for example, the user's head is tilted forward at an angle β, the movement module 11 generates a resistance torque due to contact with the user's cheek under the action of friction, and the head beam assembly 12 generates another resistance torque due to contact with the top of the user's head under the action of friction. The resultant torque of the above two resistance torques can be M1; for the above-mentioned five-point wearing, in the head-down state, for example, the user's head is also tilted forward at an angle β, the movement module 11 generates a resistance torque due to contact with the user's cheek under the action of friction, and the head beam assembly 12 generates another resistance torque due to contact with the top of the user's head under the action of friction. The head beam assembly 12 generates another resistance torque due to contact with other places other than the top of the user's head (such as the third contact point) under the action of friction. The resultant torque of the above three resistance torques can be M2, and can be greater than the resultant torque M1 of the above two resistance torques. Among them, the following relationship is satisfied between the resultant torque M1, the resultant torque M2 and the gravity torque G·L·sinβ:

[0533] M1≥G·L·sinβ

[0534] M2≥G·L·sinβ

[0535] M1=μ1·F2·r+μ2·F1·H

[0536] M2=μ1·(F2-F3)·r+μ2·F3·h+μ2·F1·H

[0537] M2-M1=μ2·F3·h-μ1·F3·r

[0538] Here, because distance h is much larger than the equivalent force arm r, and the difference between the friction coefficients μ1 and μ2 is smaller than the difference between distance h and the equivalent force arm r, i.e., h / r > μ1 / μ2 or μ2·h - μ1·r > 0, M2 - M1 > 0. In other words, under the same conditions, the five-point wearing method is more conducive to maintaining the headset 10 in a properly fitted state when the head is lowered, compared to the three-point wearing method.

[0539] The inventors of this application have discovered in long-term research that for the above-mentioned five-point wearing, the pressing force at the second contact point can be between 0.2N and 2N, and the pressing force at the third contact point can be between 0.3N and 2N, so that the user can obtain good wearing stability and comfort, and the earphone 10 can exhibit good sound quality. Among them, if the pressing force at the second contact point is too small, it is easy to cause the mechanical vibration transmitted from the movement module 11 to the user to decrease, thereby affecting the listening effect of the earphone 10; if the pressing force at the second contact point is too large, it is easy to cause the user to feel uncomfortable wearing. Furthermore, if the pressing force at the third contact point is too small, it is not conducive to improving the reliability of the earphone 10 in wearing; if the pressing force at the third contact point is too large, it is easy to cause insufficient pressing force at the second contact point.

[0540] Combine Figures 50 to 52 The headband assembly 12 may include an auxiliary member 125 connected to the curved headband member 121. For example, the auxiliary member 125 is connected to the inner cover body 1214 mentioned later, so that when worn, the two auxiliary members 125 form a third contact point with the two sides of the user's head. The auxiliary member 125 may be connected to the curved headband member 121 at one end and not to the curved headband member 121 at the other end, that is, forming a cantilever beam structure; the auxiliary member 125 may also be connected to the curved headband member 121 at both ends, with the middle part between the two ends partially raised. For ease of description, this application uses the example of each auxiliary member 125 being cantilevered relative to the curved headband member 121 as an example for illustrative explanation. Of course, in some other embodiments, the third contact point may also be formed when the curved headband member 121 contacts the user's head, for example, the curved headband member 121 is partially raised to form the third contact point, that is, the headband assembly 12 does not include the auxiliary member 125. Accordingly, the arc-shaped headband component 121 can form a first contact point with the top of the user's head.

[0541] Based on the detailed description above, in the head-down state, the pressing force at the first contact point forms a first resistance torque relative to the second contact point, the pressing force at the third contact point forms a second resistance torque relative to the second contact point, the pressing force at the second contact point forms a third resistance torque relative to the contact surface between the movement module 11 and the user's cheek when the headband assembly 12 includes the auxiliary part 125, and the pressing force at the second contact point forms a fourth resistance torque relative to the contact surface between the movement module 11 and the user's cheek when the headband assembly 12 does not include the auxiliary part 125. Among them, the resultant torque formed by the first resistance torque, the second resistance torque and the third resistance torque is greater than the resultant torque formed by the first resistance torque and the fourth resistance torque. In short, the auxiliary part 125 is provided on the headband assembly 12 to introduce another resistance torque, which is conducive to overcoming the gravity torque of the earphones 10 in the head-down state, thereby improving the reliability of the earphones 10 in wearing.

[0542] Furthermore, the auxiliary component 125 is configured to be elastic so that when the earphone 10 is worn by users with different head sizes, the auxiliary component 125 undergoes varying degrees of elastic deformation, causing the change in the pressing force at the second contact point to be less than or equal to 0.2N. This allows the auxiliary component 125 to apply a pressing force to the user's head to improve the wearing stability of the earphone 10, especially when the head is lowered, while also ensuring that the pressing force of the core module 11 on the user's cheek does not vary significantly, thereby maintaining the acoustic performance of the earphone 10. Based on this, when the headband assembly 12 has an adapter 122 to adjust the arc length of the headband assembly 12 to better accommodate different users, the auxiliary component 125 is also configured so that the absolute value of the difference between the second pressing force and the first pressing force is between 0 and 0.1N, ensuring that the pressing force of the core module 11 on the user's cheek does not vary significantly. The first pressing force and the second pressing force may be between 0.4N and 0.8N respectively.

[0543] Combine Figure 50 and Figure 51 In a natural state, the headband assembly 12 has a first reference plane and a second reference plane that are orthogonal to each other, and the two auxiliary members 125 are relative to the first reference plane (eg Figure 50 and Figure 51 The arc-shaped head beam 121 and the auxiliary member 125 are projected onto the second reference plane. In the second reference plane, the line between the fixed end and the free end of the auxiliary member 125 has a first projection component (e.g., a first projection component) in a first reference direction parallel to the line between the two end points of the arc-shaped head beam 121. Figure 50 and Figure 51 ), and has a second projection component (eg Figure 50 and Figure 51y1 in the figure). Based on this, the ratio between the second projection component and the first projection component (for example, y1 / x1) can be between 1 and 5; and / or, the equivalent elastic coefficient of the auxiliary component 125 can be between 100N / m and 180N / m. If the aforementioned ratio is too small, it is easy to cause the pressing force of the third contact point to be too small, which is not conducive to improving the reliability of the earphone 10 in wearing; if the aforementioned ratio is too large, it is easy to cause the pressing force of the third contact point to be too large, and then cause the pressing force at the second contact point to be insufficient, for example, the movement module 11 is supported by the auxiliary component 125. Similarly, if the equivalent elastic coefficient of the auxiliary component 125 is too small, it is easy to cause the pressing force of the third contact point to be too small, which is not conducive to improving the reliability of the earphone 10 in wearing; if the equivalent elastic coefficient of the auxiliary component 125 is too large, it is easy to cause the pressing force of the third contact point to be too large, and then cause the pressing force at the second contact point to be insufficient, for example, the movement module 11 is supported by the auxiliary component 125.

[0544] In some embodiments, in a natural state, the arc-shaped head beam member 121 is projected onto the second reference plane, and a rectangular coordinate system is established in the second reference plane. The rectangular coordinate system takes the highest point of the arc-shaped head beam member 121 as the coordinate origin, the straight line passing through the coordinate origin and parallel to the two end points of the arc-shaped head beam member 121 as the x-axis, and the straight line passing through the coordinate origin and perpendicular to the x-axis as the y-axis. The curve of the arc-shaped head beam member 121 from any end point to the highest point can satisfy the following relationship:

[0545] x=±(-2.63472525·10 15 ·y 10 +1.41380284·10 12 ·y 9 -3.25586957·10 10 ·y 8 +4.2058788·10 8 ·y 7 -3.34381129·10 6 ·y 6 +1.69016414·10 4 ·y 5 -5.42625713·10 3 ·y 4 +1.07794891·10 1 ·y 3 -1.27679777·y 2 +9.70381438·y+2.61).

[0546] Based on this, the thickness of the auxiliary component 125 can be less than or equal to 4 mm, so that the auxiliary component 125 can provide a corresponding pressing force when the earphone 10 is worn by a user with a larger head; the gap between the auxiliary component 125 and the curved headband component 121 can be greater than or equal to 10 mm, so that the auxiliary component 125 can provide a corresponding pressing force when the earphone 10 is worn by a user with a smaller head. If the thickness of the auxiliary component 125 is too large, the auxiliary component 125 may easily directly abut against the curved headband component 121 when the earphone 10 is worn by a user with a larger head, thereby resulting in insufficient pressing force at the second contact point, for example, the movement module 11 is supported by the auxiliary component 125; if the gap between the auxiliary component 125 and the curved headband component 121 is too small, the auxiliary component 125 may have difficulty abutting against the user's head when the earphone 10 is worn by a user with a smaller head, thereby resulting in insufficient pressing force at the third contact point.

[0547] In some embodiments, each auxiliary member 125 can be fixed to one end of the arc-shaped head beam member 121, and the line between any end point and the highest point of the arc-shaped head beam member 121 has a third projection component (for example, Figure 50 and Figure 51 ), and has a fourth projection component (eg Figure 50 and Figure 51 y2 in FIG). Based on this, the ratio between the second projected component and the fourth projected component (e.g., y1 / y2) can be between 0.1 and 0.5. If the ratio is too small, the pressing force at the third contact point may be too small, which is not conducive to improving the wearing reliability of the earphone 10. If the ratio is too large, the pressing force at the second contact point may be insufficient, for example, the movement module 11 and the arc-shaped headband 121 may be supported by the auxiliary component 125, which is also not conducive to improving the wearing reliability of the earphone 10.

[0548] In some embodiments, such as when the auxiliary member 125 is not necessarily fixed to the end of the arc-shaped head beam member 121, the distance between the fixed end where the auxiliary member 125 is connected to the arc-shaped head beam member 121 and the movement module 11 adjacent to the auxiliary member 125 may have a projection component in a second reference direction perpendicular to the line connecting the two end points of the arc-shaped head beam member 121 that is between 40 mm and 120 mm. If the aforementioned distance is too small, it may easily lead to insufficient pressing force at the second contact point, for example, the movement module 11 may be supported by the auxiliary member 125; if the aforementioned distance is too large, it may easily lead to insufficient pressing force at the first contact point, for example, the arc-shaped head beam member 121 may be supported by the auxiliary member 125.

[0549] As an example, combining Figure 50, the auxiliary member 125 can extend to the middle area of the arc-shaped head beam member 121. In the second reference plane, the fixed end of the auxiliary member 125 connected to the arc-shaped head beam member 121 has a first distance (for example, 0.001mm) from the highest point of the arc-shaped head beam member 121 in the reference direction perpendicular to the line connecting the two end points of the arc-shaped head beam member 121. Figure 50 The position where the movement module 11 is connected to the head beam assembly 12 has a second distance (for example, Figure 50 Based on this, the ratio between the first distance and the second distance (e.g., y3 / y4) can be between 1 / 3 and 1 / 2. If the ratio is too small, the pressing force at the first contact point may be insufficient, for example, the arc-shaped head beam 121 may be supported by the auxiliary member 125. If the ratio is too large, the pressing force at the second contact point may be insufficient, for example, the movement module 11 may be supported by the auxiliary member 125.

[0550] As an example, combining Figure 51 , the auxiliary member 125 can extend toward the end of the arc-shaped head beam member 121. In the second reference plane, the fixed end of the auxiliary member 125 connecte...

Claims

1. A headset, characterized in that: The earphones include a supporting assembly and a movement module connected to the supporting assembly, the supporting assembly is used to support the movement module to be worn to the wearing position, the movement module includes a movement housing, a transducer, a first vibration transmission plate and a vibration panel, the transducer is suspended in the accommodating cavity of the movement housing through the first vibration transmission plate, the vibration panel is connected to the transducer and is used to transmit the mechanical vibration generated by the transducer to the user; wherein, the mass of the movement housing is greater than or equal to 1g, and the stiffness of the first vibration transmission plate is less than or equal to 7000N / m.

2. The earphone according to claim 1, wherein The mass of the movement housing is greater than or equal to 1.2 g, and the stiffness of the first vibration transmission plate is less than or equal to 5000 N / m.

3. The earphone according to claim 1, wherein The ratio of the mass of the movement housing to the stiffness of the first vibration transmission plate is greater than or equal to 0.15s 2 .

4. The earphone according to claim 3, wherein The ratio of the mass of the movement housing to the stiffness of the first vibration transmission plate is greater than or equal to 0.2s 2 .

5. The earphone according to claim 1, wherein The transducer device includes a bracket, a second vibration transmission plate, a magnetic circuit system and a coil. The bracket is connected to the movement housing through the first vibration transmission plate. The second vibration transmission plate connects the bracket and the magnetic circuit system to suspend the magnetic circuit system in the accommodating cavity. The coil is connected to the bracket and extends into the magnetic gap of the magnetic circuit system along the vibration direction of the transducer device. The vibration panel is connected to the bracket.

6. The earphone according to claim 5, characterized in that The stiffness of the second vibration transmission plate is greater than or equal to 1000 N / m.

7. The earphone according to claim 5, characterized in that In a non-wearing state, the frequency response curve of the vibration panel has a resonance valley generated by the first vibration transmission piece, and the peak resonance frequency of the resonance valley is less than or equal to 400 Hz.

8. The earphone according to claim 7, wherein: The frequency response curve has at least one resonance peak generated by the first vibration transmission piece and the second vibration transmission piece in a frequency range of 200 Hz to 2 kHz.

9. The earphone according to claim 8, characterized in that The at least one resonance peak includes a first resonance peak and a second resonance peak, the peak resonance frequency of the first resonance peak is between 200 Hz and 400 Hz, and the peak resonance frequency of the second resonance peak is greater than the peak resonance frequency of the first resonance peak.

10. The earphone according to claim 9, characterized in that When the stiffness of the first vibration transmission plate changes, the absolute value of the offset of the peak resonance frequency of the second resonance peak is greater than the absolute value of the offset of the peak resonance frequency of the first resonance peak; when the stiffness of the second vibration transmission plate changes, the absolute value of the offset of the peak resonance frequency of the first resonance peak is greater than the absolute value of the offset of the peak resonance frequency of the second resonance peak.

11. The earphone according to claim 1, wherein The movement module also includes a connecting piece, and the movement shell includes an inner tube wall and a first end wall and a second end wall respectively connected to the two ends of the inner tube wall, the first end wall and the second end wall are respectively located on opposite sides of the transducer device in the vibration direction of the transducer device, and are surrounded by the inner tube wall to form the accommodating cavity, the first end wall is provided with a mounting hole, the vibration panel is located outside the movement shell, one end of the connecting piece is connected to the vibration panel, and the other end extends into the movement shell through the mounting hole and is connected to the transducer device; wherein, observed along the vibration direction, the area of the vibration panel is larger than the area of the mounting hole, and the area of the mounting hole is larger than the area of the connecting piece.

12. A headset, characterized in that: The earphone includes a movement module, which includes a movement housing, a transducer, a first vibration transmission plate and a vibration panel. The transducer is suspended in the accommodating cavity of the movement housing through the first vibration transmission plate. The vibration panel is connected to the transducer and is used to transmit the mechanical vibration generated by the transducer to the user. The ratio between the mass of the movement housing and the stiffness of the first vibration transmission plate is greater than or equal to 0.15s 2 .

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