Ear winding type external antenna Bluetooth hearing aid
By designing an over-ear Bluetooth hearing aid with an external antenna, the antenna assembly is hung behind the ear and abuts against the hearing aid chip, solving the problem of weak Bluetooth signal in traditional hearing aids and achieving stable signal transmission and enhanced ear fit.
Patent Information
- Application Number
- CN202520311580.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Traditional hearing aids have their antennas hidden inside the tragus, resulting in weak Bluetooth signals and an inability to effectively receive wireless signals.
Design an over-ear Bluetooth hearing aid with an external antenna. One end of the antenna assembly is inserted into the housing and hung behind the ear, while the other end abuts against the hearing aid chip. A stable connection is achieved through a squeezing component and a limiting rod, and the antenna assembly fits snugly against the ear.
It improves Bluetooth signal reception, enhances the fit between the hearing aid and the user's ear, and ensures stable signal transmission.
Smart Images

Figure CN223885323U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of hearing aids, in particular to a Bluetooth hearing aid with an ear-wound external antenna. BACKGROUND
[0002] A hearing aid is a small amplifier that enlarges the sound that cannot be heard, and then uses the residual hearing of a hearing-impaired person to send the sound to the auditory center of the brain, so that the sound is felt. At present, most hearing aids still do not have the function of Bluetooth wireless sound transmission, and only a few hearing aids with Bluetooth function cannot achieve good wireless signal reception.
[0003] At present, the traditional antenna of an in-ear hearing aid is inside the hearing aid shell, and after the hearing aid is worn, the antenna will be hidden in the tragus, so that the Bluetooth signal is weak. CONTENT OF THE UTILITY MODEL
[0004] Therefore, it is necessary to provide a Bluetooth hearing aid with an ear-wound external antenna in view of the problem that the traditional antenna is inside the hearing aid shell, and after the hearing aid is worn, the antenna will be hidden in the tragus, so that the Bluetooth signal is weak.
[0005] The application provides a Bluetooth hearing aid with an ear-wound external antenna, which comprises:
[0006] A shell is internally provided with a containing cavity, and the shell is used for being inserted into the ear canal of a user;
[0007] A hearing aid chip is fixedly arranged in the containing cavity;
[0008] A receiver is fixedly arranged in the shell;
[0009] An antenna assembly is arranged on one side of the shell, one end of the antenna assembly is inserted into the shell, the other end of the antenna assembly is hung on the back of the ear of the user, one end of the antenna assembly inserted into the shell is buckled with the shell, and the antenna assembly is in abutment with the hearing aid chip;
[0010] An extrusion assembly is arranged in the containing cavity, one end of the extrusion assembly is fixedly connected with the shell, and the other end of the extrusion assembly is in abutment with the antenna assembly.
[0011] Further, the antenna assembly comprises:
[0012] An antenna body, one end of the antenna body is inserted into the shell, the other end of the antenna body is arranged in a suspended manner, and one end of the antenna body inserted into the shell is in abutment with the extrusion assembly;
[0013] A wrapping layer is arranged on one side of the shell, and the wrapping layer wraps the outer surface of the antenna body, and the wrapping layer is hung on the back of the user's ear.
[0014] Further, the antenna body comprises:
[0015] A first antenna is arranged in a cylindrical shape, one end of the first antenna is inserted into the shell, and the other end of the first antenna is arranged in a suspended manner, and the end of the first antenna inserted into the shell is in abutment with the extrusion assembly;
[0016] A second antenna is arranged on one side of the shell, and the second antenna is fixedly connected with the first antenna, and the second antenna is hung on the back of the user's ear.
[0017] Further, the wrapping layer wraps the outer surface of the second antenna.
[0018] Further, the first antenna is in abutment with the hearing aid chip.
[0019] Further, the extrusion assembly comprises:
[0020] An extrusion plate is arranged inside the accommodating cavity, and the extrusion plate is in abutment with the first antenna;
[0021] A first limiting rod is arranged inside the accommodating cavity, and the first limiting rod is arranged on one side of the extrusion plate, the first limiting rod is fixedly connected with the shell, and the first limiting rod passes through the extrusion plate;
[0022] A second limiting rod is arranged inside the accommodating cavity, and the second limiting rod is arranged on the other side of the extrusion plate, the second limiting rod is fixedly connected with the shell, and the second limiting rod passes through the extrusion plate;
[0023] A spring is arranged inside the accommodating cavity, and the spring is arranged on the side of the extrusion plate away from the first antenna, one end of the spring is fixedly connected with the shell, and the other end of the spring is fixedly connected with the extrusion plate.
[0024] Further, a limiting hole is formed on the shell, the limiting hole is in communication with the accommodating cavity, and the first antenna is inserted into the limiting hole.
[0025] Further, the around-ear external antenna Bluetooth hearing aid further comprises:
[0026] A first locking groove is formed on the inner wall of the limiting hole, the first locking groove is in communication with the accommodating cavity, the first locking groove is arranged on one side of the first antenna, and the first antenna is inserted into the first locking groove.
[0027] A second locking slot is formed on the inner wall of the limiting hole, the second locking slot is communicated with the accommodating cavity, the second locking slot is arranged on the other side of the first antenna, and the first antenna is inserted into the second locking slot.
[0028] Further, the around-the-ear external antenna Bluetooth hearing aid further comprises:
[0029] A first communication slot is formed on the shell, the first communication slot is communicated with the limiting hole, the first communication slot is communicated with the accommodating cavity, the first communication slot is arranged on one side of the first antenna, and the first communication slot is further arranged between the first locking slot and the second locking slot.
[0030] A second communication slot is formed on the shell, the second communication slot is communicated with the limiting hole, the second communication slot is communicated with the accommodating cavity, the second communication slot is arranged on the other side of the first antenna, and the second communication slot is further arranged between the first locking slot and the second locking slot.
[0031] Further, the around-the-ear external antenna Bluetooth hearing aid further comprises:
[0032] A first locking block is arranged on one side of the first antenna, the first locking block is fixedly connected with the first antenna, and the first locking block is inserted into the first locking slot.
[0033] A second locking block is arranged on the other side of the first antenna, the second locking block is fixedly connected with the first antenna, and the second locking block is inserted into the second locking slot.
[0034] The application relates to an around-the-ear external antenna Bluetooth hearing aid, which is characterized in that: one end of an antenna assembly is first inserted into a shell, the antenna assembly is continuously inserted into the shell, the antenna assembly first extrudes a compression assembly and abuts, the compression assembly is then compressed by the antenna assembly, the antenna assembly is then rotated by a fixed angle, the antenna assembly is then loosened, the compression assembly is driven to be clamped into the shell under the action force of the reset compression assembly, the antenna assembly abuts an antenna module on a hearing aid chip at this moment, part of the shell is then inserted into the ear canal of a user, a receiver is located in the ear canal of the user, the antenna assembly is then hung on the back of the ear of the user, and the hearing aid is more closely attached to the ear of the user. BRIEF DESCRIPTION OF DRAWINGS
[0035] Figure 1 A structure schematic diagram of an around-the-ear external antenna Bluetooth hearing aid provided by an embodiment of the application.
[0036] Figure 2 A position relationship schematic diagram between a hearing aid chip and a receiver in an around-the-ear external antenna Bluetooth hearing aid provided by an embodiment of the application.
[0037] Figure 3 This is a schematic diagram showing the positional relationship between the antenna body and the wrapping layer in an over-ear Bluetooth hearing aid provided in an embodiment of this application.
[0038] Figure 4 This is a schematic diagram showing the positional relationship between the first connecting slot and the second connecting slot in an over-ear Bluetooth hearing aid provided in an embodiment of this application.
[0039] Figure 5 This is a schematic diagram showing the positional relationship between the first locking slot and the second locking slot in an over-ear external antenna Bluetooth hearing aid provided in an embodiment of this application.
[0040] Figure 6 This is a schematic diagram showing the positional relationship between the first locking block and the second locking block in an over-ear external antenna Bluetooth hearing aid provided in an embodiment of this application.
[0041] Figure label:
[0042] 11. Housing; 111. Receiving cavity; 112. Limiting hole; 12. Hearing aid chip; 13. Receiver; 14. Antenna assembly; 141. Antenna body; 141a. First antenna; 141b. Second antenna; 142. Encasing layer; 15. Extrusion assembly; 151. Extrusion plate; 152. First limiting rod; 153. Second limiting rod; 154. Spring; 16. First locking groove; 17. Second locking groove; 18. First connecting groove; 19. Second connecting groove; 20. First locking block; 21. Second locking block. Detailed Implementation
[0043] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.
[0044] like Figures 1 to 2 As shown, in one embodiment of this application, the over-ear external antenna Bluetooth hearing aid includes a housing 11, a hearing aid chip 12, a receiver 13, an antenna assembly 14, and a compression assembly 15.
[0045] The housing 11 has an internal receiving cavity 111, and the housing 11 is used for insertion into the user's ear canal.
[0046] The hearing aid chip 12 is fixedly disposed within the receiving cavity 111.
[0047] The receiver 13 is fixedly installed inside the housing 11.
[0048] The antenna assembly 14 is disposed on one side of the housing 11. One end of the antenna assembly 14 is inserted into the housing 11, and the other end of the antenna assembly 14 is hung behind the user's ear. The end of the antenna assembly 14 inserted into the housing 11 is snapped together with the housing 11, and the antenna assembly 14 abuts against the hearing aid chip 12.
[0049] The extrusion assembly 15 is disposed in the receiving cavity 111. One end of the extrusion assembly 15 is fixedly connected to the housing 11, and the other end of the extrusion assembly 15 abuts against the antenna assembly 14.
[0050] Specifically, the receiver 13 is connected to the hearing aid chip 12 via a wire, and the end of the antenna assembly 14 inserted into the housing 11 is cylindrical; the compression assembly 15 is set at the position where the antenna assembly 14 is inserted into the housing 11, so that after the antenna assembly 14 is inserted into the receiving cavity 111, it abuts against the compression assembly 15, and the compression assembly 15 is compressed as the antenna assembly 14 goes deeper.
[0051] In this embodiment, one end of the antenna assembly 14 is first inserted into the housing 11. As the antenna assembly 14 is continuously inserted into the housing 11, the antenna assembly 14 will first press against the component 15. Then, the pressing component 15 will be compressed by the antenna assembly 14. Then, the antenna assembly 14 is rotated to a fixed angle. Then, the antenna assembly 14 is released. Under the reset force of the pressing component 15, the pressing component 15 will drive the antenna assembly 14 to be inserted into the housing 11. At this time, the antenna assembly 14 abuts against the antenna module on the hearing aid chip 12. Then, part of the housing 11 is inserted into the user's ear canal, and the receiver 13 is located in the user's ear canal. Then, the antenna assembly 14 is hung on the back of the user's ear, so that the hearing aid fits the user's ear more closely.
[0052] like Figure 3 As shown, in one embodiment of this application, the antenna assembly 14 includes an antenna body 141 and a wrapping layer 142.
[0053] One end of the antenna body 141 is inserted into the housing 11, and the other end of the antenna body 141 is suspended in the air. The end of the antenna body 141 inserted into the housing 11 abuts against the extrusion assembly 15.
[0054] The wrapping layer 142 is disposed on one side of the housing 11, the wrapping layer 142 wraps around the outer surface of the antenna body 141, and the wrapping layer 142 is hung behind the user's ear.
[0055] Specifically, one end of the antenna body 141 inserted into the shell 11 is provided in a cylindrical shape, the other end of the antenna body 141 is hung on the back of the user's ear, and the wrapping layer 142 is wrapped around the end of the antenna body 141 in contact with the user, and the wrapping layer 142 is in contact with the user's skin.
[0056] As shown in the drawings, Figure 6 In an embodiment of the present application, the antenna body 141 includes a first antenna 141a and a second antenna 141b.
[0057] The first antenna 141a is provided in a cylindrical shape, one end of the first antenna 141a is inserted into the shell 11, the other end of the first antenna 141a is provided in a suspended manner, and the end of the first antenna 141a inserted into the shell 11 is in abutment with the extrusion assembly 15.
[0058] The second antenna 141b is provided on one side of the shell 11, the second antenna 141b is fixedly connected with the first antenna 141a, and the second antenna 141b is hung on the back of the user's ear.
[0059] The wrapping layer 142 is wrapped around the outer surface of the second antenna 141b.
[0060] The first antenna 141a is in abutment with the hearing aid chip 12.
[0061] Specifically, the second antenna 141b is provided in a V-shaped type, one end of the second antenna 141b is hung on the back of the user's ear, and the other end of the second antenna 141b is fixedly connected with the outer cylindrical surface of the first antenna 141a.
[0062] In this embodiment, the first antenna 141a is inserted into the shell 11 and buckled connected with the shell 11, and the first antenna 141a is in abutment with the extrusion assembly 15, thereby making the buckled connection of the first antenna 141a with the shell 11 more stable, and the wrapping layer 142 is wrapped around the outer surface of the second antenna 141b, and the wrapping layer 142 is in contact with the user's skin. The wrapping layer 142 can provide a certain friction to make the second antenna 141b hung on the back of the user's ear more stable.
[0063] As shown in the drawings, Figure 3 In an embodiment of the present application, the extrusion assembly 15 includes an extrusion plate 151, a first limiting rod 152, a second limiting rod 153, and a spring 154.
[0064] The extrusion plate 151 is provided inside the accommodating cavity 111, and the extrusion plate 151 is in abutment with the first antenna 141a.
[0065] The first limiting rod 152 is arranged inside the accommodating cavity 111, and the first limiting rod 152 is arranged on one side of the extrusion plate 151 and is fixedly connected with the shell 11, and the first limiting rod 152 penetrates through the extrusion plate 151.
[0066] The second limiting rod 153 is arranged inside the accommodating cavity 111, and the second limiting rod 153 is arranged on the other side of the extrusion plate 151 and is fixedly connected with the shell 11, and the second limiting rod 153 penetrates through the extrusion plate 151.
[0067] The spring 154 is arranged inside the accommodating cavity 111, and the spring 154 is arranged on the side of the extrusion plate 151 away from the first antenna 141a, one end of the spring 154 is fixedly connected with the shell 11, and the other end of the spring 154 is fixedly connected with the extrusion plate 151.
[0068] Specifically, the first limiting rod 152 includes a first rod body and a first limiting disc, one end of the first rod body is fixedly connected with the shell 11, the other end of the first rod body is arranged in suspension, the first rod body is arranged on one side of the extrusion plate 151 and penetrates through the extrusion plate 151, and the first limiting disc is fixedly connected with the suspended end of the first rod body and is used for limiting the movement of the extrusion plate 151.
[0069] The second limiting rod 153 includes a second rod body and a second limiting disc, one end of the second rod body is fixedly connected with the shell 11, the other end of the second rod body is arranged in suspension, the second rod body is arranged on the other side of the extrusion plate 151 and penetrates through the extrusion plate 151, and the second limiting disc is fixedly connected with the suspended end of the second rod body and is used for limiting the movement of the extrusion plate 151.
[0070] In the embodiment, the first limiting rod 152 and the second limiting rod 153 are arranged on the two sides of the extrusion plate 151 respectively, and the first limiting rod 152 and the second limiting rod 153 both penetrate through the extrusion plate 151, so that the movement direction of the extrusion plate 151 is limited to the length extension direction of the first limiting rod 152 or the length extension direction of the second limiting rod 153, and then the spring 154 is arranged on the side of the extrusion plate 151 away from the first antenna 141a, so that the extrusion plate 151 has a reset function.
[0071] As shown in FIG. 1, Figure 4 In an embodiment of the present application, a limiting hole 112 is formed in the shell 11, the limiting hole 112 is in communication with the accommodating cavity 111, and the first antenna 141a is inserted into the limiting hole 112.
[0072] As shown in FIG. 1, Figure 5As shown, in one embodiment of this application, the over-ear external antenna Bluetooth hearing aid further includes a first locking slot 16 and a second locking slot 17.
[0073] The first locking groove 16 is formed on the inner wall of the limiting hole 112. The first locking groove 16 communicates with the receiving cavity 111. The first locking groove 16 is disposed on one side of the first antenna 141a. The first antenna 141a is inserted into the first locking groove 16.
[0074] The second locking groove 17 is formed on the inner wall of the limiting hole 112. The second locking groove 17 communicates with the receiving cavity 111. The second locking groove 17 is located on the other side of the first antenna 141a. The first antenna 141a is inserted into the second locking groove 17.
[0075] Specifically, the structure of the first locking groove 16 is the same as that of the second locking groove 17. Both the first locking groove 16 and the second locking groove 17 are located on the side close to the receiving cavity 111, and the length of the first locking groove 16 is less than the length of the limiting hole 112 along the axial direction.
[0076] like Figure 4 As shown, in one embodiment of this application, the over-ear external antenna Bluetooth hearing aid further includes a first connecting slot 18 and a second connecting slot 19.
[0077] The first connecting groove 18 is formed on the housing 11. The first connecting groove 18 communicates with the limiting hole 112 and the receiving cavity 111. The first connecting groove 18 is disposed on one side of the first antenna 141a. The first connecting groove 18 is also disposed between the first locking groove 16 and the second locking groove 17.
[0078] The second connecting groove 19 is formed on the housing 11, and the second connecting groove 19 communicates with the limiting hole 112 and the receiving cavity 111. The second connecting groove 19 is located on the other side of the first antenna 141a, and the second connecting groove 19 is also located between the first locking groove 16 and the second locking groove 17.
[0079] Specifically, the structure of the first connecting groove 18 is the same as that of the second connecting groove 19. Both the first connecting groove 18 and the second connecting groove 19 are disposed between the first locking groove 16 and the second locking groove 17. The first connecting groove 18 is used to connect the receiving cavity 111 to the outside.
[0080] like Figure 6 As shown, in one embodiment of this application, the over-ear external antenna Bluetooth hearing aid further includes a first locking block 20 and a second locking block 21.
[0081] The first locking block 20 is arranged on one side of the first antenna 141a, the first locking block 20 is fixedly connected with the first antenna 141a, and the first locking block 20 is inserted into the first locking slot 16.
[0082] The second locking block 21 is arranged on the other side of the first antenna 141a, the second locking block 21 is fixedly connected with the first antenna 141a, and the second locking block 21 is inserted into the second locking slot 17.
[0083] In the embodiment, when the first antenna 141a is inserted into the shell 11, first, the first locking block 20 slides along the first communication slot 18, and the second locking block 21 slides along the second communication slot 19, so that the first antenna 141a is inserted into the shell 11, then the first antenna 141a abuts against the pressing plate 151, and further, the spring 154 is compressed with the movement of the first antenna 141a, when the first locking block 20 and the second locking block 21 are both in the accommodating cavity 111, the first antenna 141a is rotated to align the first locking block 20 with the first locking slot 16 and the second locking block 21 with the second locking slot 17, then the first antenna 141a is loosened, under the elastic force of the spring 154, the spring 154 drives the pressing plate 151 to move, the movement of the pressing plate 151 synchronously drives the first antenna 141a to move, so that the first locking block 20 is inserted into the first locking slot 16, and the second locking block 21 is inserted into the second locking slot 17.
[0084] The technical features of the above-described embodiments can be combined in any manner, and the method steps are not limited in execution order. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, but as long as the combinations of the technical features do not exist, they should be considered as the scope of the description.
[0085] The above-described embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.
Claims
1. A behind-the-ear (BTE) Bluetooth hearing aid with an external antenna, characterized in that The ear-wound external antenna Bluetooth hearing aid comprises: a shell, which is internally provided with a receiving cavity, and is used for inserting into an ear canal of a user; a hearing aid chip, which is fixedly arranged in the receiving cavity; a receiver, which is fixedly arranged in the shell; an antenna assembly, which is arranged on one side of the shell, one end of the antenna assembly is inserted into the shell, the other end of the antenna assembly is hung on the back of the ear of the user, the one end of the antenna assembly inserted into the shell is buckled with the shell, and the antenna assembly is in abutment with the hearing aid chip; a pressing assembly, which is arranged in the receiving cavity, one end of the pressing assembly is fixedly connected with the shell, and the other end of the pressing assembly is in abutment with the antenna assembly.
2. The behind-the-ear antenna Bluetooth hearing aid according to claim 1, characterized in that The antenna assembly comprises: an antenna body, one end of the antenna body is inserted into the shell, the other end of the antenna body is arranged in a suspended manner, and the one end of the antenna body inserted into the shell is in abutment with the pressing assembly; a wrapping layer, which is arranged on one side of the shell, wrapped on the outer surface of the antenna body, and hung on the back of the ear of the user.
3. The behind-the-ear antenna Bluetooth hearing aid according to claim 2, characterized in that The antenna body comprises: a first antenna, which is arranged in a cylindrical shape, one end of the first antenna is inserted into the shell, the other end of the first antenna is arranged in a suspended manner, and the one end of the first antenna inserted into the shell is in abutment with the pressing assembly; a second antenna, which is arranged on one side of the shell, fixedly connected with the first antenna, and hung on the back of the ear of the user.
4. The behind-the-ear antenna Bluetooth hearing aid according to claim 3, characterized in that The wrapping layer is wrapped on the outer surface of the second antenna.
5. The behind-the-ear antenna Bluetooth hearing aid according to claim 4, characterized in that The first antenna is in abutment with the hearing aid chip.
6. The behind-the-ear antenna Bluetooth hearing aid according to claim 5, characterized in that The pressing assembly comprises: a pressing plate, which is arranged in the receiving cavity, and in abutment with the first antenna; a first limiting rod, which is arranged in the receiving cavity, arranged on one side of the pressing plate, fixedly connected with the shell, and passes through the pressing plate; a second limiting rod, which is arranged in the receiving cavity, arranged on the other side of the pressing plate, fixedly connected with the shell, and passes through the pressing plate; a spring, which is arranged in the receiving cavity, arranged on the side of the pressing plate away from the first antenna, one end of the spring is fixedly connected with the shell, and the other end of the spring is fixedly connected with the pressing plate.
7. The behind-the-ear antenna Bluetooth hearing aid according to claim 6, characterized in that A limiting hole is formed in the shell, the limiting hole is in communication with the receiving cavity, and the first antenna is inserted into the limiting hole.
8. The behind-the-ear antenna Bluetooth hearing aid according to claim 7, characterized in that The ear-wound external antenna Bluetooth hearing aid further comprises: a first locking groove, which is formed on the inner wall of the limiting hole, in communication with the receiving cavity, arranged on one side of the first antenna, and into which the first antenna is inserted; a second locking groove, which is formed on the inner wall of the limiting hole, in communication with the receiving cavity, arranged on the other side of the first antenna, and into which the first antenna is inserted.
9. The behind-the-ear antenna Bluetooth hearing aid according to claim 8, characterized in that The ear-wound external antenna Bluetooth hearing aid further comprises: A first communication groove is arranged on the shell, the first communication groove is communicated with the limiting hole, the first communication groove is communicated with the accommodating cavity, the first communication groove is arranged on one side of the first antenna, and the first communication groove is further arranged between the first locking groove and the second locking groove. A second communication groove is arranged on the shell, the second communication groove is communicated with the limiting hole, the second communication groove is communicated with the accommodating cavity, the second communication groove is arranged on the other side of the first antenna, and the second communication groove is further arranged between the first locking groove and the second locking groove.
10. The behind-the-ear antenna Bluetooth hearing aid according to claim 9, characterized in that The around-ear external antenna Bluetooth hearing aid further comprises: A first locking block is arranged on one side of the first antenna, the first locking block is fixedly connected with the first antenna, and the first locking block is inserted into the first locking groove. A second locking block is arranged on the other side of the first antenna, the second locking block is fixedly connected with the first antenna, and the second locking block is inserted into the second locking groove.