Earphone head and Bluetooth earphone

Abstract

The utility model provides an earphone head and a bluetooth earphone, the earphone head comprises a main housing and a sound production assembly, the main housing comprises an inner side wall, an outer side wall and an annular side wall, and the inner side wall, the outer side wall and the annular side wall are enclosed to form an accommodating cavity; the sound production assembly is provided with a sound production surface, the sound production assembly is arranged in the accommodating cavity in a manner that the sound production surface faces the inner side wall, and an inner sound cavity is formed by a cavity between the sound production surface and the inner side wall; the annular side wall is provided with a directional sound guide hole communicated with the inner sound cavity, and the earphone head is worn on a human body in a manner that the inner side wall is attached to the face of the human body and the directional sound guide hole faces the auricle of the human body; the edge, away from the inner side wall, of the directional sound guide hole is provided with a sound guide plate protruding out of the face where an outlet of the directional sound guide hole is located. The earphone head of the utility model does not need to be plugged into the ear canal and cover the external ear, and does not need to press the skull, so that better sound playing quality can be achieved.

Description

Technical Field

[0001] This utility model relates to sound playback devices, and more specifically, to an earphone adapter and a Bluetooth headset. Background Technology

[0002] Based on the wearing method, traditional headphones are divided into in-ear headphones and over-ear headphones. In-ear headphones need to be inserted into the wearer's ear canal, which can cause ear discomfort after prolonged use. In addition, because the sound travels directly forward in the ear canal, the wearer has to endure the stethoscope effect, which can easily cause ear discomfort. There is also the in-head effect, resulting in an unnatural listening experience and a lack of spatial awareness. On the other hand, although over-ear headphones do not need to be inserted into the wearer's ear canal, they need to cover the entire outer ear. Therefore, when using them, the auricle needs to be squeezed to ensure that the sound emitted can be transmitted into the ear canal as much as possible. Long-term use can also have drawbacks, such as causing discomfort to the auricle.

[0003] To overcome the shortcomings of traditional headphones, bone conduction headphones have emerged. These headphones convert sound into mechanical vibrations of different frequencies, which, through the skull, cause corresponding fluctuations in the perilymph, stimulating the spiral organ in the cochlea to produce hearing. Compared to sound conduction methods that generate sound waves through a diaphragm, bone conduction headphones do not need to be inserted into the ear canal or cover the outer ear. However, to achieve better vibration transmission, bone conduction headphones need to be clamped tightly against the skull when worn, which can create pressure on the head and cause discomfort with prolonged use. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide an earphone head and a Bluetooth earphone to address the problem of discomfort from wearing headphones for a long time.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is to provide an earphone head, including a main shell and a sound-generating component. The main shell includes an inner sidewall, an outer sidewall, and an annular sidewall. The annular sidewall is located between the inner sidewall and the outer sidewall and is connected to the inner sidewall and the outer sidewall respectively, and the inner sidewall, the outer sidewall, and the annular sidewall enclose a receiving cavity. The sound-generating component has a sound-generating surface, and the sound-generating component is installed in the receiving cavity with the sound-generating surface facing the inner sidewall, and the cavity between the sound-generating surface and the inner sidewall forms an inner sound cavity.

[0006] The annular sidewall is provided with a directional sound guide hole that communicates with the inner sound cavity, and the earphone head is worn on the human body with the inner sidewall against the human face and the directional sound guide hole facing the human ear; the edge of the directional sound guide hole away from the inner sidewall has a sound guide plate that protrudes from the surface where the outlet of the directional sound guide hole is located.

[0007] As a further improvement of this utility model, the sound-generating component includes a speaker, a mounting component, and a circuit board; the speaker is mounted in the accommodating cavity through the mounting component, and the accommodating cavity is divided into a relatively closed inner sound cavity, an outer sound cavity, and a control cavity by the mounting component and the speaker, and the circuit board is mounted in the control cavity;

[0008] The inner sound cavity is located at the front end of the speaker, the outer sound cavity is located between the rear end of the speaker and the mounting component, the control cavity is located between the mounting component and the outer side wall, and the main housing is provided with a pressure relief hole that communicates with the outer sound cavity, and the pressure relief hole is located between the inner side wall and the outer side wall.

[0009] As a further improvement of this utility model, the annular sidewall has a recess adjacent to the inner sidewall, the outlet of the directional sound guide hole is located at the bottom of the recess, the sound guide plate is formed by the sidewall of the recess, and the sound guide plate reflects part of the sound transmitted from the directional sound guide hole that is away from the auricle towards the auricle.

[0010] As a further improvement of this utility model, a sound reflection cone is provided inside the inner sound cavity, and the sound reflection cone is located on the surface of the inner sidewall facing the sound-emitting surface of the sound-emitting component.

[0011] As a further improvement of this utility model, the sound guide plate is located on the same plane as the sound-emitting surface or parallel to the plane where the sound-emitting surface is located.

[0012] As a further improvement of this utility model, the sound-emitting surface of the sound-emitting component is inclined toward the surface where the directional sound guide hole is located.

[0013] As a further improvement of this utility model, the inner wall of the accommodating cavity has a first annular step and a second annular step, the edge of the horn is fixed on the first annular step, and the edge of the mounting member is fixed on the second annular step;

[0014] The mounting component is bowl-shaped, and when the horn and the mounting component are respectively installed in the accommodating cavity, the rear end of the horn is embedded in the bowl-shaped cavity of the mounting component.

[0015] As a further improvement of this utility model, the pressure relief hole is located on the annular sidewall, and the orientation of the pressure relief hole is opposite to the orientation of the directional sound guide hole.

[0016] As a further improvement of this utility model, a first filter screen is installed at the directional sound guide hole, and a second filter screen is installed at the pressure relief hole.

[0017] This utility model also provides a Bluetooth headset, including a wearing component and two earphone heads as described above. The wearing component includes two free ends, and the two earphone heads are respectively fixed to one of the free ends of the wearing component.

[0018] This invention has the following advantages: by using a directional sound guide hole and a sound guide plate facing the auricle, the sound emitted by the sound-generating component is directly transmitted to the auricle and then reflected by the auricle into the ear canal. Thus, it can achieve better sound playback quality without plugging the ear canal or covering the outer ear, and without compressing the skull. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the earphone head provided in an embodiment of the present invention;

[0020] Figure 2 This is a cross-sectional schematic diagram of the earphone head provided in an embodiment of the present utility model;

[0021] Figure 3 This is an exploded structural diagram of the earphone head provided in an embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the Bluetooth headset provided in an embodiment of this utility model. Detailed Implementation

[0023] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings. Preferred embodiments of this application are shown in the drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this application.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0026] The earphones and Bluetooth earphones of the various embodiments of this application are comfortable to wear because they do not require the earphones to be inserted into the ear canal or cover the outer ear. The sound propagates in multiple different directions around the ear, rather than directly forward in the ear canal, which can eliminate the stethoscope effect and the in-head effect.

[0027] The following describes in detail, with reference to the accompanying drawings, the various embodiments of the earphone head and Bluetooth earphone of this application.

[0028] like Figure 1-3 The diagram shown is a structural schematic of an earphone head provided in an embodiment of the present invention. This earphone head is used for audio data playback. The earphone head of this embodiment includes a main shell and a sound-generating component, wherein the sound-generating component is installed inside the main shell and can convert electrical signals into sound; the main shell has a certain degree of rigidity, can be made of plastic material, and protects the sound-generating component inside.

[0029] The main housing includes an inner sidewall 11, an outer sidewall 12, and an annular sidewall 13. The annular sidewall 13 is located between the inner sidewall 11 and the outer sidewall 12 and is connected to both the inner sidewall 11 and the outer sidewall 12. The inner sidewall 11, the outer sidewall 12, and the annular sidewall 13 together form a receiving cavity. The inner sidewall 11, the outer sidewall 12, and the annular sidewall 13 are named only from a positional perspective; they can be the same component or different components. The sound-generating assembly has a sound-generating surface 211, and the sound-generating assembly is installed in the receiving cavity with the sound-generating surface 211 facing the inner sidewall 11. The cavity between the sound-generating surface 211 and the inner sidewall 11 forms an inner sound cavity 31. The sound-generating surface 211 is the surface of the sound-generating assembly that emits sound.

[0030] A directional sound guide hole 14 communicating with the inner sound cavity 31 is provided on the annular sidewall 13. The directional sound guide hole 14 is located between the inner sidewall 11 and the outer sidewall 12, and the earphone is worn on the human body with the inner sidewall 11 against the human face and the directional sound guide hole 14 facing the human ear. The edge of the directional sound guide hole 14 away from the inner sidewall 11 has a sound guide plate 15 that protrudes from the surface where the outlet of the directional sound guide hole 14 is located, and the sound guide plate 15 reflects part of the sound transmitted from the directional sound guide hole 14 away from the ear towards the ear.

[0031] The aforementioned earphone head can be worn near the user's ear via a suspension arm, eliminating the need to insert it into the ear canal or directly compress the wearer's auricle. Instead, the inner wall 11 of the main shell is placed against the face, with the directional sound guide hole 14 facing the auricle. Sound emitted from the sound-emitting surface 211 of the sound-emitting component is transmitted to the auricle via the inner sound cavity 31 and the directional sound guide hole 14, and then reflected by the auricle before reaching the ear canal. Compared to other earphones with numerous densely packed sound outlets, this earphone head concentrates the sound emitted by the sound-emitting component through the directional sound guide hole 14, reducing sound diffusion and loss, improving sound quality, and preventing sound leakage, thus enhancing privacy. Furthermore, due to the presence of the sound guide plate 15, some sound emitted from the directional sound guide hole 14 that is moving away from the auricle can be reflected back towards the auricle by the sound guide plate 15, further reducing sound leakage and improving the sound playback effect, especially the bass response. Specifically, the aforementioned sound guide plate 15 may be located on the same plane as the sound-emitting surface or parallel to the plane where the sound-emitting surface is located.

[0032] In addition, since it does not directly block the ear canal, the wearer can still receive other sounds from the outside world while using headphones with this earpiece, increasing the wearer's alertness, especially when walking or cycling on the road, making it safer.

[0033] In one embodiment of this utility model, the sound-generating component of the earphone head includes a speaker 21, a mounting component 22, and a circuit board 23. The speaker 21 generates sound through a diaphragm (the surface where the diaphragm of the speaker 21 is located constitutes the sound-generating surface of the sound-generating component). The circuit board 23 is used for electrical signal processing, such as receiving electrical signals input from outside the main housing, and controlling the magnetic field changes inside the speaker 21 according to the electrical signals, thereby realizing the vibration of the diaphragm to generate sound. Buttons 231 and microphones 232 can also be integrated on the circuit board 23 to realize sound playback control and external sound input.

[0034] The speaker 21 is mounted in the accommodating cavity via the mounting member 22. The mounting member 22 and the speaker 21 divide the accommodating cavity into a relatively enclosed inner sound cavity 31, an outer sound cavity 32, and a control cavity 33. The circuit board 23 is mounted in the control cavity 33. The inner sound cavity 31 is located at the front end of the speaker 21 (i.e., the front end of the diaphragm), the outer sound cavity 32 is located between the speaker 21 and the mounting member 22, and the control cavity 33 is located between the mounting member 22 and the outer wall 12.

[0035] Specifically, the inner wall of the accommodating cavity has a first annular step and a second annular step. The edge of the speaker 21 is fixed on the first annular step, and the edge of the mounting member 22 is fixed on the second annular step. The mounting member 22 may be bowl-shaped, and when the speaker 21 and the mounting member 22 are respectively installed in the accommodating cavity, the rear end of the speaker 21 is embedded in the bowl-shaped cavity of the mounting member 22. In particular, the elastic modulus of the mounting member 22 is preferably less than that of the main housing, that is, under normal conditions, the hardness of the mounting member 22 is less than that of the main housing. Thus, the mounting member 22 can absorb the vibration generated when the speaker 21 emits sound, reduce or avoid transmitting the vibration generated when the speaker 21 emits sound to the main housing, thereby improving wearing comfort and sound quality.

[0036] The main housing is also provided with a pressure relief hole 16 that communicates with the outer sound cavity 32, and the pressure relief hole 16 is located between the inner side wall 11 and the outer side wall 12. Through the outer sound cavity 32 and the pressure relief hole 16, the airflow generated by the vibration of the speaker 21 can be vibrated in the outer sound cavity 32, and the pressure difference between the inside and outside can be balanced through the pressure relief hole 16, thereby greatly improving the sound effect transmitted from the inner sound cavity 31 and the directional sound guide hole 14, especially the effect of the bass part.

[0037] In one embodiment of this utility model, the annular sidewall 13 may be formed by a first edge 111 extending vertically from the inner sidewall 11 to the outer sidewall 12 and a second edge 121 extending vertically from the outer sidewall 12 to the inner sidewall 11. Of course, in practical applications, the annular sidewall 13 may also be formed in other ways. To improve wearing comfort, the inner sidewall 11 and the annular sidewall 13, and the outer sidewall 12 and the annular sidewall 13 may each have an arc-shaped transition surface.

[0038] The directional sound guide hole 14 is located on the annular sidewall 13, thereby facilitating the directional transmission of sound towards the auricle after the earphone head is worn on the face. In particular, the annular sidewall 13 may have a recess adjacent to the inner sidewall 11, that is, one side of the recess extends to the inner sidewall 11, the outlet of the directional sound guide hole 14 is located at the bottom of the recess, and the sound guide plate 15 is formed by the sidewall of the recess.

[0039] Accordingly, the pressure relief hole 16 may also be located on the annular sidewall 13, and the orientation of the pressure relief hole 16 is opposite to that of the directional sound guide hole 14. Of course, in practical applications, the pressure relief hole 16 may also be located on other parts of the main housing, such as the outer sidewall 12.

[0040] In addition, a first filter can be installed at the aforementioned directional sound guide hole 14, and a second filter can be installed at the pressure relief hole 16. The first and second filters can be made of waterproof and sound-permeable materials, such as waterproof and sound-permeable stickers or waterproof and sound-permeable films, thereby greatly improving the waterproof and dustproof capabilities of the earphone head.

[0041] In one embodiment of this utility model, a sound reflecting cone 112 may be provided inside the inner sound cavity 31 of the main housing of the earphone head. Specifically, the sound reflecting cone 112 may be located on the surface of the inner sidewall 11 facing the sound-emitting surface 211 (i.e., the sound-emitting surface of the speaker) of the sound-emitting component. In this way, the sound emitted from the speaker 21 is directly transmitted to the conical surface of the sound reflecting cone 112, and the sound reflecting cone 112 scatters the sound in all directions, thereby making the sound emitted by the speaker 21 scatter within the sound cavity 31, greatly improving the stereo effect of the sound emitted by the speaker 21. In particular, the central axis of the sound reflecting cone 112 is on the same straight line as the central axis of the sound-emitting surface of the sound-emitting component.

[0042] In one embodiment of the present invention, the sound-emitting surface 211 of the sound-emitting component of the earphone head is inclined toward the surface where the directional sound guide hole 14 is located, that is, the angle between the sound-emitting surface 211 of the sound-emitting component and the inner sidewall 11 is an acute angle. For example, the angle between the sound-emitting surface 211 of the sound-emitting component and the inner sidewall 11 can be not less than 10°, so that the sound emitted by the speaker 21 can be transmitted more directly from the directional sound guide hole 14, further improving the sound effect.

[0043] Combination Figure 4 As shown, this utility model also provides a Bluetooth headset, which includes a wearing component and two earphone heads 10 as described above, wherein the wearing component includes two free ends, and the two earphone heads 10 are respectively fixed to one of the free ends of the wearing component.

[0044] Specifically, the wearing components include a back hook 41, a control box 42, and an ear hook 43. The control box 42 is located between the ear hook 43 and the back hook 41, and the earphone head 10 is fixed to the free end of the ear hook 43. The control box 42 is used to house the control circuit board, the power storage unit, etc., while the ear hook 43 can fit against the outer wall of the wearer's ear, thereby achieving the hanging wearing of the earphone head 10. The earphone head 10 does not need to excessively compress the wearer's auricle, reducing the discomfort caused to the wearer and facilitating long-term wear of the Bluetooth earphone.

[0045] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. An earphone tip, comprising: The earphone comprises a main shell and a sound generating assembly. The main shell comprises an inner side wall, an outer side wall and an annular side wall. The annular side wall is located between and connected to the inner side wall and the outer side wall, and a receiving cavity is formed by the inner side wall, the outer side wall and the annular side wall. The sound generating assembly has a sound generating surface, and the sound generating assembly is arranged in the receiving cavity with the sound generating surface facing the inner side wall, and an inner sound cavity is formed by the sound generating surface and the inner side wall. A directional sound guide hole is arranged on the annular side wall and is connected to the inner sound cavity. The earphone head is worn on the human body with the inner side wall attached to the human face and the directional sound guide hole facing the human auricle. An edge of the directional sound guide hole away from the inner side wall has a sound guide plate protruding from a surface where an outlet of the directional sound guide hole is located.

2. The earphone head according to claim 1, characterized in that, The sound generating assembly comprises a loudspeaker, a mounting member and a circuit board. The loudspeaker is mounted in the receiving cavity by the mounting member, and the receiving cavity is divided into relatively closed inner sound cavity, outer sound cavity and control cavity by the mounting member and the loudspeaker, and the circuit board is mounted in the control cavity. The inner sound cavity is located at the front end of the loudspeaker, the outer sound cavity is located between the rear end of the loudspeaker and the mounting member, the control cavity is located between the mounting member and the outer side wall, and the main shell is provided with a pressure relief hole connected to the outer sound cavity, and the pressure relief hole is located between the inner side wall and the outer side wall.

3. The earphone head according to claim 1, characterized in that, The annular side wall has a recess adjacent to the inner side wall, the outlet of the directional sound guide hole is located at the bottom of the recess, the sound guide plate is formed by the side wall of the recess, and the sound guide plate reflects part of the sound emitted from the directional sound guide hole in the direction away from the auricle to the direction of the auricle.

4. The earphone head according to any one of claims 1-3, characterized in that, A sound reflection cone is arranged in the inner sound cavity, and the sound reflection cone is located on the surface of the inner side wall facing the sound generating surface of the sound generating assembly.

5. The earphone head according to any one of claims 1-3, characterized in that, The sound guide plate is located on the same plane as the sound generating surface or parallel to the plane where the sound generating surface is located.

6. The earphone head according to any one of claims 1-3, characterized in that, The sound generating surface of the sound generating assembly is inclined towards the plane where the directional sound guide hole is located.

7. The earphone head according to claim 2, characterized in that, The inner wall of the receiving cavity has a first annular step and a second annular step, the edge of the loudspeaker is fixed on the first annular step, and the edge of the mounting member is fixed on the second annular step. The mounting member is in the shape of a bowl, and when the loudspeaker and the mounting member are arranged in the receiving cavity respectively, the rear end of the loudspeaker is embedded in the bowl-shaped cavity of the mounting member.

8. The earphone head according to claim 2, characterized in that, The pressure relief hole is located on the annular side wall, and the direction of the pressure relief hole is opposite to the direction of the directional sound guide hole.

9. The earphone head according to claim 2, characterized in that, A first filter screen is arranged at the directional sound guide hole, and a second filter screen is arranged at the pressure relief hole.

10. A Bluetooth earpiece, characterized in that, The earphone comprises a wearing member and two earphone heads as claimed in any one of claims 1-9. The wearing member comprises two free ends, and the two earphone heads are respectively fixed to one of the free ends of the wearing member.

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