Open type earphone

Abstract

The utility model discloses an open type earphone. The open type earphone comprises a main body part; the ear hanging assembly has elasticity and is connected with the main body part; in the wearing state, the ear hanging assembly is hung on the helix of the ear, and the bottom of the main body part is contained in the auricular conchae cavity of the ear and supported by the auricular conchae cavity. The main body part is located in an area defined by the helix and the tragus, and a gap exists between the main body part and the tragus; the main body part is provided with a sound hole, and the distance between the sound hole and the external auditory canal is larger than zero. According to the open type earphone provided by the invention, the earphone main body part is accommodated in the auricular conchae cavity during wearing and is supported by the auricular conchae cavity, so that the wearing stability can be effectively improved. And meanwhile, the open type earphone avoids tragus during wearing, so that the wearing comfort is improved.

Description

Technical Field

[0001] The present application relates to the technical field of sound-producing instruments, and in particular to an open-earphone. Background Art

[0002] Headphones are widely used in our daily lives, working with mobile phones, computers, and other electronic devices to provide users with an auditory feast. Depending on whether they block the ear canal, they can be categorized as open-back, semi-open-back, and closed-back.

[0003] Open-back headphones are designed to be worn without plugging into the ear, preventing them from blocking the ear canal. This helps protect hearing, eliminates the risk of clogging the ear canal, and is hygienic. Furthermore, they can detect ambient sound while being worn, effectively ensuring safety during outdoor activities. Due to these characteristics, open-back headphones are becoming increasingly popular among consumers.

[0004] However, existing open-ear headphones have a heavy main body (which contacts the front of the ear when worn), which can affect stability when worn. In addition, the main body usually squeezes the tragus, affecting comfort when worn. Utility Model Content

[0005] The present invention provides an open-ear headphone that is designed to improve wearing stability by accommodating the main body of the headphone within the concha cavity and supporting the concha cavity when worn. Furthermore, the headphone avoids the tragus when worn, thereby improving wearing comfort.

[0006] The present application provides an open-ear headphone, which includes: a main body; and an ear hook assembly, wherein the ear hook assembly is elastic and connected to the main body; when worn, the ear hook assembly is hung on the helix of the ear, and the bottom of the main body is accommodated in the concha cavity of the ear and supported by the concha cavity; the main body is located between the area surrounded by the helix and the tragus, and there is a gap between the main body and the tragus; a sound outlet is provided on the main body, and the distance between the sound outlet and the external auditory canal is greater than zero.

[0007] From a technical perspective, when worn, open-ear headphones are supported by the earhook assembly, which hangs on the helix. Furthermore, since the main body is housed within the concha cavity, it is supported by the inner wall of the concha cavity. Furthermore, the position of the main body is also fixed by the concha cavity, effectively improving the stability of the headphones when worn. Furthermore, by providing a gap between the main body and the tragus, the main body can effectively avoid the tragus when worn, preventing compression and affecting wearing comfort.

[0008] The fact that the distance between the sound outlet and the external auditory canal is greater than zero means that the earphones in this application are non-in-ear open-ear earphones.

[0009] In a feasible implementation manner, in the wearing state, the main body is tilted in a direction away from the ear from the neck to the top of the head of the human body.

[0010] From a technical perspective, since the structure of the ear is such that the degree of concavity of the cavum concha is greater than the concavity of the bacula concha above the cavum concha, the shape of the main body is designed so that when worn, the main body is tilted away from the ear from the neck to the head. This can make the earphones better adapt to the structure of the ear and improve stability when worn.

[0011] In a feasible embodiment, the bottom surface of the main body includes a center point A, and the top surface of the main body includes a center point B. The extension line of the line connecting the center point A and the center point B on the side of the center point A intersects with the sagittal plane YOZ in the coordinate system XYZ, and the extension line of the line connecting the center point A and the center point B on the side of the center point B intersects with the coronal plane XOZ in the coordinate system. In the coordinate system XYZ, the positive direction of the X-axis is toward the direction away from the ear, the positive direction of the Y-axis is toward the front of the human body, and the positive direction of the Z-axis is toward the top of the human head. The X-axis, Y-axis and Z-axis are orthogonal to each other, and the origin O of the coordinate system XYZ is located in the central area of ​​the human head.

[0012] From a technical perspective, taking the left ear as an example, the extension line of point A along line segment AB intersects with the sagittal plane YOZ, which means that the top of the main body is tilted away from the ear; the extension line of point B along line segment AB intersects with the coronal plane XOZ, which means that the top of the main body is tilted to the right (when viewed from the direction of the eye facing the auricle). Through the above design, the main body can adapt to the physiological structure of the ear and be accommodated in the concha cavity, thereby improving stability when worn.

[0013] In a feasible embodiment, an avoidance area is provided on the main body, and the avoidance area is used to provide an avoidance position for the tragus in the wearing state.

[0014] From a technical perspective, an avoidance area (such as a concave spherical surface, etc.) is set at a position opposite to the tragus to avoid the main body from squeezing the tragus, thereby improving wearing comfort.

[0015] In a feasible embodiment, the size of the portion of the main body located in the cavum concha in the width direction of the cavum concha is smaller than the width of the cavum concha.

[0016] In a feasible embodiment, in the wearing state, the size of the portion of the main body located in the cavum concha in the width direction of the cavum concha is less than or equal to 24 mm.

[0017] In a feasible embodiment, in the wearing state, the dimension of the portion of the main body below the tragus and the antitragus in the depth direction of the concha cavity is less than or equal to 16 mm.

[0018] In a feasible embodiment, in the wearing state, the size of the portion of the main body located in the cavum concha in the width direction of the cavum concha is less than or equal to 23 mm.

[0019] In a feasible embodiment, in the wearing state, the dimension of the portion of the main body below the tragus and the antitragus in the depth direction of the concha cavity is less than or equal to 13 mm.

[0020] In a feasible embodiment, in the wearing state, the size of the portion of the main body located in the cavum concha in the width direction of the cavum concha is less than or equal to 22 mm.

[0021] In a feasible embodiment, in the wearing state, the dimension of the portion of the main body below the tragus and the antitragus in the depth direction of the concha cavity is less than or equal to 11 mm.

[0022] From a technical perspective, designing the corresponding dimensions of the main body based on the dimensions of the concha cavity of the human ear model in the IEC: 60318-7 standard allows the main body of the open-ear headphones to meet the needs of most users when actually worn, so that it can fall into the concha cavity, thereby supporting and stabilizing the open-ear headphones and improving wearing stability.

[0023] In a feasible embodiment, in the wearing state, the main body includes a shell, and the shell is provided with a sound outlet. In the wearing state, the sound outlet faces the side of the external auditory canal.

[0024] From a technical perspective, by setting the sound outlet to correspond to the concha cavity, the listening effect can be effectively improved while reducing the impact of sound leakage on other users.

[0025] In a feasible embodiment, the outer shell includes an upper shell and a lower shell, and the upper shell and the lower shell are closed to form a cavity. A speaker unit is provided in the cavity, and the speaker unit and the lower shell are surrounded to form a front cavity. The sound hole is provided on the lower shell, and the sound hole is arranged opposite to the diaphragm on the speaker unit.

[0026] From a technical perspective, by arranging the diaphragm and the sound outlet relative to each other, the sound emitted by the vibration of the diaphragm can be directly transmitted to the human ear through the sound outlet, avoiding sound loss.

[0027] In a feasible embodiment, the ear hook assembly has a first contact point C and a second contact point D, and the helix includes an helix starting end connected to the head. When worn, the first contact point C abuts against the front side of the helix starting end, and the second contact point D abuts against the top area of ​​the helix.

[0028] In a feasible embodiment, the distance between the projection points of the first contact point C and the second contact point D on the coronal plane XOZ is a first distance; in a natural state, the distance between the projection points of the first contact point C and the second contact point D on the coronal plane XOZ is a second distance, the first distance is greater than the second distance, and the placement angle of the open earphones in the coordinate system XYZ is the same in the natural state and the wearing state.

[0029] From a technical perspective, the ear hook assembly can provide a clamping force perpendicular to the user's sagittal plane (i.e., the X-axis direction) through the first contact point C and the second contact point D, thereby increasing the stability of the user when wearing it.

[0030] In a feasible embodiment, in the wearing state, the tail of the ear hook assembly forms a third contact point G with the ear, and the distance between the projection points of the second contact point D and the third contact point G on the sagittal plane YOZ is a third distance; in the natural state, the distance between the projection points of the second contact point D and the third contact point G on the sagittal plane YOZ is a fourth distance, and the third distance is greater than the fourth distance.

[0031] From a technical perspective, the ear hook assembly can provide a clamping force perpendicular to the horizontal plane (i.e., the Z-axis direction) through the second contact point D and the third contact point G to increase stability when worn by the user.

[0032] In a feasible embodiment, in the wearing state, the ear hook assembly forms a fourth contact point F with the back side of the ear, and the fourth contact point F is located between the third contact point G and the second contact point D, the line between the third contact point G and the fourth contact point F is GF, the line between the first contact point C and the second contact point D is CD, and the line GF is parallel to and equal to the line CD; in the wearing state, the distance between the projection points of the second contact point D and the fourth contact point F on the horizontal plane XOY is the fifth distance; in the natural state, the distance between the projection points of the second contact point D and the fourth contact point F on the horizontal plane XOY is the sixth distance, and the fifth distance is greater than the sixth distance.

[0033] From a technical perspective, the open earphones can provide a clamping force perpendicular to the coronal plane direction (i.e., the Y-axis direction) through the second contact point D and the fourth contact point F to increase the stability when the user wears them.

[0034] In a feasible embodiment, a sealing cover is provided on the side of the main body facing away from the diaphragm, and the sealing cover and the speaker unit are arranged to form a central cavity. The central cavity is provided with a sound adjustment hole connected to the outside of the open-type earphone, and the sound adjustment hole is arranged on the side of the sound outlet away from the external auditory canal.

[0035] In a feasible embodiment, the main body further includes a printed circuit board (PCB), and the PCB is located in a rear cavity formed by the sealing cover and the upper shell of the main body.

[0036] In a feasible implementation manner, an antenna bracket for communication is further provided in the rear cavity.

[0037] In a feasible implementation manner, the open-earphone includes a battery, which is disposed in the rear cavity and electrically connected to the PCB.

[0038] In a feasible implementation manner, the open-ear headphone includes a battery, which is disposed at the tail of the ear hook assembly, and the battery is electrically connected to the PCB via a wire inside the ear hook assembly.

[0039] In a feasible implementation manner, the lower shell is provided with charging contacts, and the charging contacts are connected to the PCB or the battery via wires.

[0040] In a feasible implementation manner, the speaker unit includes a diaphragm, a voice coil, a magnet and a bracket, and the sound emitted by the vibration of the diaphragm is transmitted to the human ear through the sound outlet.

[0041] In a feasible embodiment, the main body is a cylinder or a cuboid with smooth chamfers. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] The following is an introduction to the drawings used in the embodiments of this application.

[0043] Figure 1 A schematic diagram of an ear structure provided in an embodiment of the present application;

[0044] Figure 2 A schematic diagram of the appearance of an open-ear headphone provided in an embodiment of the present application;

[0045] Figure 3 A schematic diagram of the shape of an open-ear headset provided in an embodiment of the present application when worn;

[0046] Figure 4 A schematic diagram of the force applied to an open-ear headset when worn, provided by an embodiment of the present application;

[0047] Figure 5 A side view of an open-ear headphone in its natural state provided by an embodiment of the present application;

[0048] Figure 6 A schematic diagram of the internal structure of an open-earphone main body provided in an embodiment of the present application;

[0049] Figure 7 A schematic diagram of the specific structure of a speaker unit provided in an embodiment of the present application;

[0050] Figure 8 A schematic diagram of an ear hook assembly provided in an embodiment of the present application.

[0051] Explanation of the reference numerals: 100 - open-back headphones; 110 - main body; 120 - ear hook assembly; 101 - upper shell; 102 - lower shell; 103 - sound outlet; 104 - tuning hole; 105 - sealing cover; 106 - speaker unit; 107 - sound outlet mesh; 108 - charging contact; 109 - magnet; 111 - antenna bracket; 112 - wire; 113 - decorative cover; 114 - battery connection board; 115 - battery; 116 - PCB; 117 - wire; 1061 - diaphragm; 1062 - voice coil; 1063 - washer; 1064 - magnet; 1065 - bracket. DETAILED DESCRIPTION

[0052] The embodiments of the present application are described below in conjunction with the drawings in the embodiments of the present application.

[0053] Earphones (also known as headphones, head-sets, and earpieces) can be used as accessories for terminal devices for calls or other audio playback scenarios, where the terminal devices include but are not limited to handheld devices, vehicle-mounted devices, wearable devices, computing devices, or other processing devices connected to a wireless modem. Terminal devices may include cellular phones, smartphones, personal digital assistants (PDAs), tablet computers, laptop computers, vehicle-mounted computers, smartwatches, smart wristbands, pedometers, and other terminal devices with call functions. In the embodiments of the present application, the terminal device may also be referred to as a terminal. Audio playback scenarios include but are not limited to indoor scenarios, outdoor scenarios, and vehicle-mounted scenarios. Audio playback scenarios may also include quiet scenarios, noisy scenarios (such as streets, shopping malls, airports, stations, construction sites, in the rain, watching games, concerts, etc.), cycling scenarios, outdoor windy scenarios, single-ear scenarios, double-ear scenarios, and other scenarios. The earphones can be a pair of conversion units for receiving electrical signals from a media player or receiver and converting them into audible sound waves using speakers close to the ears.

[0054] Headphones can generally be divided into wired headphones (wired headset) and wireless headsets. Wired headphones have two earphones and a cable, with the left and right earphones connected by the cable. Wired headphones can be inconvenient to wear and require a headphone jack connection to the terminal device, which consumes the terminal device's power during operation. Wireless headphones, on the other hand, use wireless communication technologies (such as Bluetooth, infrared radio frequency, 2.4G wireless technology, and ultrasound) to communicate with the terminal device. Compared to wired headphones, wireless headphones are more convenient to use because they are free from the constraints of physical wires, leading to rapid development. The left earphone of a wireless headset can connect to the right earphone via Bluetooth.

[0055] Bluetooth is a low-cost, high-capacity, short-range wireless communication standard that operates in the microwave frequency band. It boasts a transmission rate of 1Mbyte per second and a maximum transmission distance of 10 meters, which can be increased to 100 meters with increased transmission power. With the removal of headphone jacks from some devices and the widespread adoption and update of Bluetooth technology, a wide variety of wireless Bluetooth headsets have flooded the market. From early business-grade single-ear Bluetooth headsets designed for phone calls, to stereo Bluetooth headsets that support music playback, to true wireless Bluetooth headsets that completely eliminate wires, wireless headsets are becoming increasingly versatile and applicable in a wide range of scenarios.

[0056] Current wireless headphones are typically designed as earhook-style headphones. This design primarily relies on the earhook (referred to in this application as the earhook assembly) to hang from the auricle. To adapt to the shape of the auricle, the earhook is typically designed to resemble the shape of the human helix, forming a curved shape. Once the earhook is attached to the auricle, the inner surface of the earphone body rests against the outer surface of the auricle, securing the earphone to the auricle through the clamping force created between the earhook and the earphone body.

[0057] Based on the above, earphones that use wireless communication technology are generally designed as open-back, semi-open-back, and closed-back. These classifications are primarily based on whether the sound outlet is inserted into the ear canal. Open-back headphones refer to headphones with the sound outlet located outside the ear canal, while closed-back headphones refer to headphones with the sound outlet completely inserted into the ear canal.

[0058] The present invention provides a novel open-ear headphone. When worn, the headphone body can be accommodated in the concha cavity and supported by the concha cavity to improve wearing stability. At the same time, the headphone body avoids the tragus when worn, improving wearing comfort.

[0059] It should be noted that in the description of the embodiments of the present application, the terms "center", "upper", "lower", "front", "back", "bottom", "top", "inner", "outer", "top surface", "bottom surface", etc., which indicate orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present application. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0060] It should also be noted that, in the embodiments of the present application, the same figure mark represents the same component or the same part. For the same parts in the embodiments of the present application, the figure may only mark one of the parts or components as an example. It should be understood that the figure mark also applies to other identical parts or components.

[0061] It is understood explicitly and implicitly by those skilled in the art that the embodiments described in this application can be combined with other embodiments.

[0062] In addition, the human body, the human head, the ear, and various structures of the ear (such as the helix, the cavum conchae, and the cymba conchae, etc.) or spatial positions in the embodiments of the present application all refer to the head and ear models (such as the GRAS 45BC KEMAR human head model) made based on the ANSI: S3.36, S3.25 and IEC: 60318-72022 standards and the corresponding structures thereon or determined based on the model. The wearing state in the present application refers to the state of wearing the open earphones in the ear in the above-mentioned model. The natural state refers to the non-wearing state of the open earphones 100, that is, the state in which no external force acts on it, for example, it can be as follows Figure 2 The status shown.

[0063] See Figure 1 , Figure 1 This is a schematic diagram of an ear structure provided in an embodiment of the present application. Figure 1 As shown, the ear structure includes the concha cavity, cymba concha, tragus, helix and other structures. The following embodiments will use the above ear structure as a reference to specifically describe the specific shape of the open earphone in this application.

[0064] See Figure 2 , Figure 2 This is a schematic diagram of the structure of an open-earphone provided in an embodiment of the present application. Figure 2 As shown, the open-earphone 100 may include a main body 110 and an elastic ear hook assembly 120 connected to the main body 110. The internal structure of the open-earphone main body 110 and the contact relationship between the open-earphone and the ear when worn will be described in the following embodiments and will not be described in detail here.

[0065] See Figure 3 , Figure 3 This is a schematic diagram illustrating the relationship between the open-ear headphones and the ear when worn, as provided in an embodiment of the present application. This application will describe the specific shape and structure of the open-ear headphones in this application by using the contact relationship between the open-ear headphones and the ear when worn. The ear hook assembly 120 is connected to the side wall of the main body 110.

[0066] like Figure 3 As shown, the ear hook assembly 120 is generally arc-shaped so that it can be hung on the ear helix more snugly when worn. Part of the ear hook assembly 120 is located between the back of the ear and the head. The bottom of the main body 110 is accommodated in the concha cavity of the ear and supported by the inner wall of the concha cavity to improve the stability of the open earphone during wearing. At the same time, the shell of the open earphone 100 is provided with a sound outlet ( Figure 3 (not shown), in the open earphone 100 in the embodiment of the present application, the distance between the sound outlet on the housing 100 and the external auditory canal or external auditory opening is greater than zero.

[0067] Among them, in the embodiment of the present application, the front side of the ear refers to the side away from the head (including structures such as the concha cavity and the cymba concha), and the back side of the ear refers to the side close to the head.

[0068] Optionally, the main body is located between the area surrounded by the helix and the tragus, and there is a gap between the main body and the tragus, so that the main body 110 avoids the tragus when worn, avoiding squeezing the tragus and affecting the wearing experience.

[0069] Optionally, in the wearing state, the main body is tilted in a direction away from the ear from the neck to the top of the head.

[0070] The direction away from the ear refers to the direction away from the front side of the ear. With this design, the main body 110 can better fit the concave cavity of the ear, while the upper structure of the ear cavity is not concave, so that the main body can be better accommodated in the ear cavity, thereby ensuring a stable wearing experience.

[0071] Optionally, the bottom surface of the main body includes a center point A, and the top surface of the main body includes a center point B, the extension line of the line between the center point A and the center point B on the side of the center point A intersects with the sagittal plane YOZ in the coordinate system XYZ, and the extension line of the line between the center point A and the center point B on the side of the center point B intersects with the coronal plane XOZ in the coordinate system, wherein, in the coordinate system XYZ, the positive direction of the X-axis is toward the direction away from the ear, the positive direction of the Y-axis is toward the front of the human body, and the positive direction of the Z-axis is toward the top of the human head, the X-axis, Y-axis and Z-axis are orthogonal to each other, and the origin O of the coordinate system XYZ is located in the central area of ​​the human head.

[0072] Among them, the above coordinate system XYZ (hereinafter referred to as Figure 4 The coordinate system XYZ in the embodiment (for example) refers to the spatial coordinate system composed of the sagittal plane YOZ, the coronal plane XOZ and the horizontal plane XOY in anatomy.

[0073] The origin O of the coordinate system XYZ may be the center point (eg, centroid) of the space enclosed by the head in the head model.

[0074] The present application designs the main body 110 as described above so that when worn, the line AB between the center point A of the bottom surface and the center point B of the top surface of the main body 110 intersects with the sagittal plane YOZ and the coronal plane XOZ along the extension lines of point A and point B in the coordinate system XYZ, respectively, so that the main body 110 fits the ear structure better and is placed at an angle, making it more stable to wear.

[0075] Optionally, a avoidance area is provided on the main body 110, and when the strap is worn, the avoidance area is used to provide a avoidance position for the tragus in the wearing state. Figure 3 The example in the figure) is an inward-concave arc, so that the main body can effectively avoid the tragus when worn, avoiding squeezing the tragus and affecting the comfort when worn.

[0076] The shapes of the top and bottom surfaces of the main body can be regular or irregular shapes such as a plane, a spherical surface, or an arc surface, and this application does not limit this.

[0077] The center points in this application (such as center point A and center point B) may be the centroid of a geometric surface or other types of geometric centers, which are not limited in this application.

[0078] The shape of the main body 110 of the earphone 100 in the present application can be designed based on the aforementioned head and ear model.

[0079] Among them, the IEC:60318-72022 standard specifies the concha width and its measurement method, namely, the nominal, minimum, and maximum dimensions of the distance from the tragion to the anti-helix (Concha Breadth, tragion to anti-helix) are 23mm, 22mm, and 24mm, respectively. The standard also specifies the concha depth and its measurement method, namely, the nominal, minimum, and maximum dimensions of the concha depth are 13mm, 11mm, and 16mm, respectively. (The above parameters are all specified in Table 2 of the IEC:60318-72022 standard.)

[0080] Optionally, the portion of the main body 110 located in the cavum concha has a dimension in the width direction of the cavum concha that is smaller than the width of the cavum concha.

[0081] The width of the above-mentioned cavum conchae can be the width of different sizes specified in the IEC:60318-72022 standard, and is not limited in this application.

[0082] The portion of the main body 100 accommodated in the concha cavity refers to the portion of the main body 100 located below the first plane in the wearing state. The first plane (eg Figure 1 The line passing through the junction of the cavum concha and the hymenocalamus or the midpoint of the junction and parallel to the horizontal plane (i.e. Figure 4 plane) of the XOY plane in FIG.

[0083] The width direction and depth direction of the concha cavity in this application refer to the IEC: 60318-72022 standard. Figure 5 a) and Figure 5 b) Concha Breadth (tragion to anti-helix) and Concha depth defined in the directions.

[0084] In this application, the size of the part of the main body located in the concha cavity in the width direction of the concha cavity refers to the distance between the two outermost end points of the part in the width direction of the concha cavity, that is, the maximum size of the part in the width direction of the concha cavity; the size of the part of the main body located in the concha cavity in the depth direction of the concha cavity is the same and will not be repeated here.

[0085] Furthermore, specifically, the dimensions of the portion of the main body 110 of the earphone 100 located within the cavum concha in the present application can be designed based on the dimensions of the cavum concha in the human ear model specified in Table 2 of the aforementioned IEC: 60318-72022 standard, as follows:

[0086] (1) Dimensions of the Main Body in the Width Direction of the Concha Cavity

[0087] (1) When worn, the portion of the main body located within the concha cavity has a dimension less than or equal to 24 mm in the width direction of the concha cavity.

[0088] (2) When worn, the portion of the main body located within the concha cavity has a dimension less than or equal to 23 mm in the width direction of the concha cavity.

[0089] (3) When worn, the portion of the main body located within the concha cavity has a dimension less than or equal to 22 mm in the width direction of the concha cavity.

[0090] (2) Dimensions of the Main Body in the Depth Direction of the Concha Cavity

[0091] (1) When worn, the portion of the main body below the tragus and antitragus is less than or equal to 16 mm in the depth direction of the concha cavity.

[0092] (2) When worn, the portion of the main body below the tragus and antitragus has a dimension in the depth direction of the concha cavity that is less than or equal to 13 mm.

[0093] (3) When worn, the portion of the main body below the tragus and antitragus has a dimension in the depth direction of the concha cavity less than or equal to 11 mm.

[0094] For those skilled in the art, when designing the open earphones in this application, the above-mentioned three sizes in the width direction of the concha cavity and the three sizes in the thickness direction of the concha cavity can be freely combined.

[0095] The portion of the main body located below the tragus and antitragus refers to the following: in the wearing state, the main body is located on the second plane (such as Figure 1 For the part below the tragus (shown in the figure), the second plane is a plane passing through the center point of the tragus (such as the centroid, etc.) and the center point of the antitragus (such as the centroid, etc.), and is perpendicular to the sagittal plane YOZ.

[0096] See Figure 4 , Figure 4 This is a schematic diagram of the force applied to an open-ear headphone when worn, as provided in an embodiment of the present application. It should be noted that this embodiment of the present application uses the left ear and its corresponding XYZ coordinate system as an example. When switching to the right ear, the XYZ coordinate system corresponding to the right ear should also change accordingly (such as the specific orientation of the positive X-axis, etc.), which will not be further described here.

[0097] The following will be combined Figure 4 The clamping force in the X, Y and Z directions provided by the open earphones in the wearing state is described in detail. Figure 4 The angles shown are placed exactly the same within the coordinate system XYZ.

[0098] (1) Clamping force in the X-axis direction

[0099] The clamping force in the X-axis direction is provided by the areas where the first contact point C and the second contact point D on the earhook assembly are located. The helix has a helix starting point connected to the head. When worn, the first contact point C abuts the front side of the helix starting point, and the second contact point D abuts the top area of ​​the helix. The distance between the projections of the first contact point C and the second contact point D on the coronal plane XOZ is a first distance. In the neutral state, the distance between the projections of the first contact point C and the second contact point D on the coronal plane XOZ is a second distance. The first distance is greater than the second distance. The placement angle of the open-back earphones is the same in the neutral state and when worn.

[0100] The front side of the helix refers to the side of the helix facing away from the head.

[0101] Among them, if the contact area formed by the ear hook component 120 and the starting end of the auricle is a contact point, then the contact point is the first contact point C; if the contact area formed is a contact line, then the midpoint of the contact point is the first contact point C; if the contact area formed is a contact area, then the centroid or geometric center of the area is the first contact point C.

[0102] The second contact point D may be the highest point in the Z-axis direction among the contact points formed between the ear hook assembly 120 and the top area of ​​the helix, or the second contact point D may be a contact point determined with reference to the first contact point C.

[0103] The first distance refers to the distance between the projection points of the first contact point C and the second contact point D on the coronal plane XOZ, and the same applies to the second distance.

[0104] By designing the shape of the open-earphone 100 as described above, that is, making the first distance greater than the second distance, the open-earphone 100 can provide a clamping force in the X-axis direction when worn, thereby increasing stability when worn.

[0105] (2) Clamping force in the Z-axis direction

[0106] The clamping force along the Z-axis is provided by the areas where the second and third contact points D and G of the earhook assembly are located. The tail of the earhook assembly forms the third contact point G with the ear. The distance between the projections of the second and third contact points D and G on the sagittal plane YOZ is the third distance. In the neutral position, the distance between the projections of the second and third contact points D and G on the sagittal plane YOZ is the fourth distance, which is greater than the fourth distance.

[0107] Among them, if the outermost contact area formed by the tail of the ear hook component and the ear is a contact point, then this contact point is the third contact point G; if the outermost contact area is a contact line, then the midpoint of this contact line is the above-mentioned third contact point G.

[0108] The determination method of the third distance and the fourth distance can refer to the determination method of the first distance, which will not be repeated here. The natural state and the wearing state can refer to the above description, which will not be repeated here.

[0109] By designing the shape of the open-earphone 100 as described above, that is, making the third distance greater than the fourth distance, the open-earphone 100 can provide a clamping force in the Z-axis direction when worn, thereby increasing stability when worn.

[0110] (3) Clamping force in the Y-axis direction

[0111] The clamping force along the Y-axis is provided by the areas where the third and fourth contact points G and F of the earhook assembly are located. The earhook assembly forms a fourth contact point F with the rear side of the ear, located between the third and second contact points G and D. The line connecting the third and fourth contact points G and F is GF, and the line connecting the first and second contact points C and D is CD. Line GF is parallel to and equal to line CD. When worn, the distance between the projections of the second and fourth contact points D and F on the horizontal plane XOY is the fifth distance. When in a natural state, the distance between the projections of the second and fourth contact points D and F on the horizontal plane XOY is the sixth distance, which is greater than the sixth distance.

[0112] The specific position of the fourth contact point F can be determined by referring to the aforementioned first contact point C, and will not be repeated here.

[0113] By designing the outer shape of the open earphone 100 as described above, that is, making the fifth distance greater than the sixth distance, the open earphone 100 can provide a clamping force in the Y-axis direction when worn, thereby increasing stability when worn.

[0114] Among them, the area where the above-mentioned contact points are located refers to the contact part on the ear hook assembly including the contact point. Since the ear hook assembly is made of elastic material, when worn, the above-mentioned contact part is stretched in the X, Y, and Z axis directions, and the distance increases, thereby providing corresponding clamping force in the X, Y, and Z axis directions.

[0115] Optionally, the projection of line segment AB on the YOZ plane forms an angle greater than or equal to 20° and less than or equal to 60° with the Y-axis. The projection of line segment AB on the XOZ plane forms an angle greater than or equal to 20° and less than or equal to 60° with the X-axis. These wearing angles allow the main body 110 to better adapt to the structures of the cavum concha and cymba concha.

[0116] See Figure 5 , Figure 5 A side view of an open-ear headphone in its natural state provided by an embodiment of the present application.

[0117] like Figure 5 As shown, in the X-axis direction, the ear hook assembly 120 and the main body 110 partially overlap. Since the overlapping area between the main body 110 and the ear hook assembly 120 in the worn state is smaller than the overlapping area in the natural state, the main body 110 and the ear hook assembly 120 can further provide a clamping force in the X-axis direction.

[0118] The following will be combined Figure 6 The internal structure of the main body 110 of the open-earphone 100 is described in detail. Figure 6The specific internal structure of the main body 110 is shown in detail. It should be noted that Figure 6 This is just a specific example of the main body 110 provided in this application. The main body 110 may only include Figure 6 For details of all or part of the structures in the examples, please refer to the descriptions in the following embodiments, and this application does not limit this.

[0119] Optionally, the main body 110 includes a shell, and the shell is provided with a sound outlet 103. When worn, the sound outlet 103 faces the side of the external auditory canal.

[0120] Furthermore, the outer shell includes an upper shell 101 and a lower shell 102, and the upper shell 101 and the lower shell 102 are closed to form a chamber, in which a speaker unit 106 is provided. The speaker unit 106 and the lower shell 102 are surrounded to form a front cavity, and the sound hole 103 is arranged on the lower shell 102, and the sound hole 103 is arranged opposite to the diaphragm on the speaker unit 106.

[0121] The speaker unit 106 vibrates the diaphragm thereon to produce sound, and the produced sound is transmitted to the external auditory canal through the sound outlet 103 arranged opposite to the diaphragm.

[0122] Optionally, in the wearing state, the projection of at least part of the sound outlet 103 in a direction perpendicular to the surface of the cavum concha falls into the cavum concha.

[0123] The concha cavity surface refers to the plane formed by the outer edge of the concha cavity. By arranging the sound outlet 103 at the above position, the sound emitted through the sound outlet 103 can be better transmitted to the external auditory canal to ensure the sound quality.

[0124] Optionally, a sealing cover 105 is provided on the side of the main body 110 facing away from the diaphragm of the speaker unit 106. The sealing cover 105 and the speaker unit 106 are arranged to form a central cavity. The central cavity is provided with a tuning hole 104 connected to the outside of the open earphone 100. The tuning hole 104 is farther away from the external auditory canal than the sound outlet 103.

[0125] The sealing cover 105 can be arranged with the speaker unit 106 and the lower housing 102 to form a central cavity, in which case the tuning hole 104 is provided on the lower housing 102. Alternatively, the sealing cover 105 can be arranged with the speaker unit 106 and the upper housing 101 to form a central cavity, in which case the tuning hole 104 is provided on the upper housing 101. By placing the tuning hole 104 at a position away from the external auditory canal relative to the sound outlet 103, low frequencies can be effectively enhanced, thereby improving sound quality.

[0126] Optionally, the main body 110 further includes a printed circuit board (PCB), which is located in the rear cavity formed by the sealing cover 105 and the upper shell 101. The sealing cover 105 separates the PCB from the speaker unit 106 to prevent friction and collision between the two that may affect the performance of the module.

[0127] Optionally, one or more microphones may be provided on the PCB 116 for collecting sound. The sound quality of the collected sound may be improved by providing multiple microphones.

[0128] Optionally, an antenna bracket 111 for communicating with the aforementioned terminal device may be provided in the rear cavity to perform wireless communication with different terminal devices, thereby improving the compatibility of the open-ear headphones.

[0129] Optionally, the open-ear headphone 100 is further provided with a battery 115, which can be located in the rear cavity or at the rear end of the earhook assembly 120. Furthermore, optionally, when the battery 115 is located in the rear cavity, the battery 115 can be electrically connected to the PCB 116 via the battery connection plate 114 and the wire 117; when the battery 115 is located at the rear end of the earhook assembly 120, the battery 115 can be electrically connected to the PCB 116 via the wire located in the earhook assembly.

[0130] The present application can set the battery 115 in different positions on the open earphone 100 based on different scene requirements, thereby improving the compatibility of the scene and adapting to different user groups.

[0131] Optionally, charging contacts 108 are provided on the lower shell 102. When the open-back earphones 100 are placed in the charging box, the charging contacts 108 are electrically connected to the contact points in the charging box for charging. Furthermore, when the battery 115 is located in the rear cavity, the charging contacts 108 can be electrically connected to the PCB 116 or the battery connection plate 114 through the wire 112; when the battery 115 is located at the tail of the earhook assembly 120, the charging contacts 108 are electrically connected to the PCB 116 through the wire 112. By providing the charging contacts 108 on the open-back earphones 100 to adapt to the earphone box for charging, no charging cable is required, thereby improving the portability of the product.

[0132] Optionally, a decorative cover 113 may be further provided on the upper shell 101 .

[0133] Optionally, a magnet 109 is further provided inside the main body 110. When the open earphone 100 is placed in the earphone box for charging, the magnet 109 can be magnetically adsorbed into the earphone box, thereby fixing the open earphone 100 in the earphone box and ensuring stability during charging.

[0134] Optionally, a sound outlet mesh 107 is provided on the sound outlet hole 103 and the tuning hole 104 respectively, which can prevent dust, sweat, etc. from penetrating into the open earphone while transmitting sound to the outside of the open earphone 100.

[0135] Optionally, the main body 110 is a cylindrical or rectangular parallelepiped with smooth chamfers. Since the bottom of the main body 110 is housed within the cavum concha, rounding the main body 110 can improve wearing comfort. Furthermore, the shape of the cylinder or rectangular parallelepiped can be regular or irregular, and this application does not limit this.

[0136] See Figure 7 , Figure 7 A schematic diagram of the internal structure of a speaker unit provided in an embodiment of the present application.

[0137] like Figure 7 As shown, the speaker unit 106 includes a diaphragm 1061, a voice coil 1062, a washer 1063, a magnet 1064 and a bracket 1065. The speaker unit 106 is electrically connected to the PCB 116 through a wire, receives an electrical signal transmitted by the PCB 116, and converts the electrical signal into a sound signal through the vibration of the diaphragm 1061.

[0138] It should be noted that Figure 7 This application only provides a specific example of a speaker unit 106 and does not constitute a specific limitation on the structure of the speaker unit in the open-earphone 100. Those skilled in the art may also use speaker units with other structures to implement the technical solutions in this application.

[0139] See Figure 8 , Figure 8 A schematic diagram of an ear hook assembly provided in an embodiment of the present application.

[0140] The ear hook assembly 120 can be an integrally formed structure or a segmented splicing structure, which is not limited in this application.

[0141] Optionally, the ear hook assembly 120 may be made of elastic soft rubber, or may be made of external elastic soft rubber and internal metal wire (such as steel wire or copper wire, etc.) for support, which is not limited in this application.

[0142] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integrated connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this application in specific contexts.

[0143] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. An open-type headphone, characterized in that: The open-back headphones include: the main body; and An ear hook component, the ear hook component is elastic and connected to the main body; When worn, the ear hook assembly is hung on the helix of the ear, the bottom of the main body is accommodated in the concha cavity of the ear and supported by the concha cavity; the main body is located between the area surrounded by the helix and the tragus, and there is a gap between the main body and the tragus; a sound hole is provided on the main body, and the distance between the sound hole and the external auditory canal is greater than zero.

2. The open earphone according to claim 1, characterized in that In the wearing state, the main body is tilted in a direction away from the ear from the neck to the top of the head.

3. The open-ear headphone according to claim 2, characterized in that: The bottom surface of the main body includes a center point A, and the top surface of the main body includes a center point B. The extension line of the line connecting the center point A and the center point B on the side of the center point A intersects with the sagittal plane YOZ in the coordinate system XYZ, and the extension line of the line connecting the center point A and the center point B on the side of the center point B intersects with the coronal plane XOZ in the coordinate system, wherein, in the coordinate system XYZ, the positive direction of the X-axis is toward the direction away from the ear, the positive direction of the Y-axis is toward the front of the human body, and the positive direction of the Z-axis is toward the top of the human head. The X-axis, Y-axis and Z-axis are orthogonal to each other, and the origin O of the coordinate system XYZ is located in the central area of ​​the human head.

4. The open earphone according to claim 2, characterized in that: The main body is provided with an avoidance area, and the avoidance area is used to provide an avoidance position for the tragus in the wearing state.

5. The open earphone according to claim 1, characterized in that: The size of the portion of the main body located in the cavum concha in the width direction of the cavum concha is smaller than the width of the cavum concha.

6. The open earphone according to claim 5, characterized in that The portion of the main body located in the concha cavity has a dimension in the width direction of the concha cavity that is less than or equal to 24 mm.

7. The open earphone according to claim 6, characterized in that The dimension of the portion of the main body below the tragus and the antitragus in the depth direction of the concha cavity is less than or equal to 16 mm.

8. The open earphone according to claim 1, characterized in that: The main body includes a shell, and the shell is provided with a sound outlet. When the device is worn, the sound outlet faces one side of the external auditory canal.

9. The open earphone according to claim 8, characterized in that The outer shell includes an upper shell and a lower shell, the upper shell and the lower shell are closed to form a chamber, a speaker unit is arranged in the chamber, the speaker unit and the lower shell are surrounded to form a front chamber, the sound hole is arranged on the lower shell, and the sound hole is arranged opposite to the diaphragm on the speaker unit.

10. The open earphone according to claim 9, characterized in that: A sealing cover is provided on the side of the main body away from the diaphragm, and the sealing cover and the speaker unit are arranged to form a central cavity. The central cavity is provided with a tuning hole connected to the outside of the open earphone, and the tuning hole is arranged on the side of the sound outlet away from the external auditory canal.

11. The open earphone according to any one of claims 1 to 3, characterized in that: The ear hook assembly has a first contact point C and a second contact point D, and the helix includes an helix starting end connected to the head. In the worn state, the first contact point C abuts against the front side of the helix starting end, and the second contact point D abuts against the top area of ​​the helix.

12. The open earphone according to claim 11, characterized in that The distance between the projection points of the first contact point C and the second contact point D on the coronal plane XOZ is a first distance; in a natural state, the distance between the projection points of the first contact point C and the second contact point D on the coronal plane XOZ is a second distance, the first distance is greater than the second distance, and the placement angle of the open earphone in the coordinate system XYZ is the same in the natural state and the wearing state; wherein, in the coordinate system XYZ, the positive direction of the X-axis is toward the direction away from the ear, the positive direction of the Y-axis is toward the front of the human body, and the positive direction of the Z-axis is toward the top of the human head, the X-axis, Y-axis and Z-axis are orthogonal to each other, and the origin O of the coordinate system XYZ is located in the central area of ​​the human head.

13. The open earphone according to claim 12, characterized in that: The tail of the ear hook assembly forms a third contact point G with the ear, and the distance between the projection points of the second contact point D and the third contact point G on the sagittal plane YOZ is a third distance; in the natural state, the distance between the projection points of the second contact point D and the third contact point G on the sagittal plane YOZ is a fourth distance, and the third distance is greater than the fourth distance.

14. The open earphone according to claim 13, characterized in that The ear hook assembly forms a fourth contact point F with the back side of the ear, and the fourth contact point F is located between the third contact point G and the second contact point D, the line between the third contact point G and the fourth contact point F is GF, the line between the first contact point C and the second contact point D is CD, and the line GF is parallel to and equal to the line CD; in the wearing state, the distance between the projection points of the second contact point D and the fourth contact point F on the horizontal plane XOY is the fifth distance; in the natural state, the distance between the projection points of the second contact point D and the fourth contact point F on the horizontal plane XOY is the sixth distance, and the fifth distance is greater than the sixth distance.

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