CN218772432U - Prevent behind-the-ear formula of whistling and assist and listen simulation audiphone - Google Patents
Prevent behind-the-ear formula of whistling and assist and listen simulation audiphone Download PDFInfo
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- CN218772432U CN218772432U CN202221193860.8U CN202221193860U CN218772432U CN 218772432 U CN218772432 U CN 218772432U CN 202221193860 U CN202221193860 U CN 202221193860U CN 218772432 U CN218772432 U CN 218772432U
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- hearing aid
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Abstract
The utility model discloses a prevent that ear back of body formula of whistling is assisted and is listened simulation audiphone, include: the earphone assembly includes: the upper cover, the loudspeaker, the lower shell, the ear cap, the infrared induction head and the PCB; the interior of the lower shell is hollow, and the loudspeaker is fixed in the interior of the lower shell; a through hole for infrared rays to pass through is formed in the side wall of the lower shell, and the PCB is fixed on the inner side wall of the lower shell and is positioned at the through hole; the infrared induction head is fixedly connected with the PCB and is arranged in the through hole; the upper cover is buckled at the top of the lower shell and is fixedly connected with the lower shell; the earcap is connected with one end of the lower shell far away from the upper cover; the end part of the hearing aid component is fixedly connected with a lead, and the other end of the lead penetrates through the side wall of the lower shell to be fixedly connected with the PCB. The utility model discloses well audiphone passes through the earcap and keeps apart duct and external ear to just circular telegram after wearing, the emergence of can effectively avoiding squeaking.
Description
Technical Field
The utility model relates to a audiphone technical field, more specifically the ear back formula that says so relates to a prevent to generate a voice or a voice with a hearing assists and listens simulation audiphone.
Background
With more and more hearing-assisting hearing aids put on the market, a plurality of hearing-impaired patients wear the hearing-assisting hearing aids to improve the hearing of the users, and convenience is brought to the life of the users.
However, the auxiliary hearing aid of the existing analog electronic scheme generally has a problem that howling is generated when the auxiliary hearing aid is worn on an ear or taken off from the ear when being turned on, and the howling generated by some products is difficult to bear, so that poor user experience is caused to a user, and even the hearing of the user is possibly further damaged; in addition, the auxiliary hearing aid adopting the analog electronic scheme cannot fundamentally eliminate the generation of howling due to the inherent technical defects caused by the relatively simple electronic circuit and the signal processing mode.
Therefore, it is an urgent need to solve the above-mentioned problems by those skilled in the art to develop an behind-the-ear hearing-aid analog hearing aid that can avoid the occurrence of howling.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can avoid producing the ear back formula of howling and assist and listen to simulation audiphone.
In order to realize the purpose, the utility model adopts the following technical scheme:
an behind-the-ear hearing aid analog hearing aid for preventing howling, comprising:
a headset assembly, the headset assembly comprising: the upper cover, the loudspeaker, the lower shell, the ear cap, the infrared induction head and the PCB; the interior of the lower shell is hollow, and the horn is fixed in the interior of the lower shell; a through hole for infrared rays to pass through is formed in the side wall of the lower shell, and the PCB is fixed on the inner side wall of the lower shell and is positioned at the through hole; the infrared induction head is fixedly connected with the PCB and is arranged in the through hole; the upper cover is buckled at the top of the lower shell and is fixedly connected with the lower shell; the ear cap is connected to one end of the lower shell, which is far away from the upper cover;
the hearing aid component is fixedly connected with a lead at the end part of the hearing aid component, and the other end of the lead penetrates through the side wall of the lower shell and is fixedly connected with the PCB.
Adopt above-mentioned technical scheme's beneficial effect is, the utility model discloses in pack into the ear with earphone subassembly's inferior valve, jet out the infrared ray through infrared induction hair, infrared ray is touched and is reflected after the duct inner wall, the infrared ray of reflecting back is received, through PCB board output signal, and give hearing aid subassembly with signal transmission through the wire, hearing aid subassembly start-up work this moment, the earcap is with duct and ear external isolation, because the circuit has confirmed that earphone subassembly wears just work after the correctness, the sound of avoiding enlarging gets back to hearing aid subassembly again from earphone subassembly and enlargies sound once more, the return circuit that the whistling takes place has been blocked, thereby eliminate the whistling.
Preferably, the ear-back type hearing aid further comprises an ear hook, the ear hook is in a curved cylindrical shape, a first channel for the lead to pass through is arranged at the center of the ear hook, the lead is arranged in the first channel and penetrates through the ear hook, and the ear hook is fixedly connected with the end part of the hearing aid component. The hearing aid is conveniently hooked on the ear through the ear hook, so that the hearing aid can be worn conveniently, and meanwhile, the wire can be protected.
Preferably, one end of the hearing aid component connected with the ear hook is provided with a connecting stud, one end of the connecting stud is fixedly connected with the hearing aid component, the other end of the connecting stud penetrates out of the end of the hearing aid component and is in threaded connection with the lead, and one end of the connecting stud connected with the lead extends into the first channel of the ear hook. The connecting stud is convenient to connect the wire, and the wire is in threaded connection with the connecting stud and is also convenient to detach the wire.
Preferably, an optical filter is fixedly connected in the through hole, the optical filter is cylindrical and hollow, one end of the optical filter, which is close to the inside of the lower shell, is open, a baffle extends outwards from the edge of the open end of the optical filter, and the baffle is fixedly connected with the inner wall of the lower shell; the infrared induction head extends into the optical filter, and the PCB is fixedly connected with the baffle. The arrangement of the optical filter can protect the infrared induction head and cannot influence the penetration of infrared rays.
Preferably, the outer side wall of the lower shell is provided with a circular truncated cone used for being connected with the lead, and a second channel into which the lead extends is arranged inside the circular truncated cone. The round table can be better connected with a lead.
Can know via foretell technical scheme, compare with prior art, the utility model discloses a prevent that ear back of the body formula of whistling from assisting and listen simulation audiphone, its beneficial effect is:
(1) The ear cap of the utility model can better isolate the auditory canal from the outside of the ear, and block the loop of the whistling when wearing the hearing aid, thereby eliminating the whistling, when the hearing aid needs to be taken down, the hearing aid is taken down first, then the power is cut off, the whistling generated in the process of taking down the hearing aid can be avoided, and the ear of the wearer can be effectively protected;
(2) The mode that the hearing aid is started by emitting infrared rays and receiving the infrared rays by adopting the infrared induction hair has good anti-interference capacity and higher accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a hearing aid provided by the present invention;
fig. 2 is an exploded view of the hearing aid according to the present invention;
fig. 3 is an exploded view of the structure of the earphone module in the hearing aid provided by the present invention;
fig. 4 is a schematic block diagram of a hearing aid circuit provided by the present invention;
fig. 5 is a schematic diagram of a main control circuit in the hearing aid provided by the present invention;
fig. 6 is a schematic diagram of the infrared detection part circuit in the hearing aid provided by the present invention.
Wherein, in the figure,
1-an earphone assembly;
11-upper cover; 12-a loudspeaker;
13-a lower shell;
131-through holes; 132-a circular table;
14-an ear cap; 15-infrared induction head; 16-a PCB board; 17-an optical filter; 18-a baffle plate;
2-a hearing aid component; 3-a wire; 4-ear hook; 5-connecting the stud.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses prevent that ear back of body formula of whistling is assisted and is listened simulation audiphone, include:
the hearing aid component 2, the tip fixedly connected with wire 3 of hearing aid component 2, the other end of wire 3 passes the lateral wall of inferior valve 13 and fixedly connects with PCB board 16. The infrared detection method has good anti-interference capability, and can more accurately detect whether the earphone component 1 is worn well.
In order to further optimize the technical scheme, the behind-the-ear hearing aid simulation hearing aid further comprises an ear hook 4, the ear hook 4 is in a bent cylindrical shape, a first channel for a lead to pass through is arranged along the center of the ear hook 4, the lead 3 is arranged in the first channel and penetrates through the ear hook 4, and the ear hook 4 is fixedly connected with the end part of the hearing aid component 2. The ear hook 4 is bent and similar to the shape of an ear, so that the ear hook 4 can be conveniently hung on the ear.
In order to further optimize the technical scheme, a connecting stud 5 is arranged at one end, connected with the ear hook 4, of the hearing aid component 2, one end of the connecting stud 5 is fixedly connected with the hearing aid component 2, the other end of the connecting stud 5 penetrates out of the end portion of the hearing aid component 2 and is in threaded connection with the lead 3, and one end, connected with the lead 3, of the connecting stud 5 extends into the first channel of the ear hook 4. The ear hook 4 is convenient for wearing the hearing aid and also convenient for accommodating the lead 3.
In order to further optimize the technical solution, the optical filter 17 is fixedly connected in the through hole 131, the optical filter 17 is cylindrical and hollow, one end of the optical filter 17 close to the inside of the lower shell 13 is open, a baffle 18 extends outwards from the edge of the open end of the optical filter 17, and the baffle 18 is fixedly connected with the inner wall of the lower shell 13; the infrared induction head 15 extends into the filter 17, and the PCB 16 is fixedly connected with the baffle 18. The optical filter 17 is disposed in the through hole 131, and the outer end surface of the optical filter 17 and the outer surface of the lower shell 13 are in smooth transition, so that the earphone assembly 1 is more comfortable to wear and grasp.
In order to further optimize the above technical solution, a circular truncated cone 132 for connecting with the lead 3 is disposed on an outer side wall of the lower shell 13, and a second channel into which the lead 3 extends is disposed inside the circular truncated cone 132. The round platform 132 is convenient for connecting the wires 3, and when the ear hook 4 is hung on the ear, the earphone assembly 1 is conveniently arranged in the ear, so that the wearing of the earphone assembly 1 cannot be influenced by the connection of the wires 3.
Principle of preventing howling:
firstly, an ear hook 4 is hooked on an ear, an earphone component 1 is worn on the ear, an ear cap 14 isolates an ear canal from an external ear, at the moment, an infrared sensing head 15 emits infrared rays, the infrared rays are transmitted to the ear wall through an optical filter 17 and are refracted back to be received by a receiving end of the infrared sensing head 15, the received signals are transmitted to a master control single chip microcomputer inside the hearing aid component 2 through a lead 3, the hearing aid component 2 starts the hearing aid component after receiving the signals, because a circuit in the hearing aid starts to work after the earphone component 1 is worn, the ear cap 14 isolates the ear canal from the external ear, amplified sound is prevented from returning to the hearing aid component 2 from the earphone component and is amplified again, a loop generated by howling is further blocked, and the howling is effectively eliminated; when needing to take off audiphone, earphone subassembly 1 takes out from the duct in, and the infrared ray that infrared induction head 15 sent this moment is no longer refracted and is returned to the output signal who will detect transmits for master control singlechip through wire 3, and after master control singlechip received the signal, sends control signal and stop work with audiphone, and the audiphone just cuts off the power supply after taking off, thereby can avoid taking off the in-process of audiphone and producing and whistle.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. An behind-the-ear hearing aid analog hearing aid for preventing howling, comprising:
a headset assembly (1), the headset assembly (1) comprising: the device comprises an upper cover (11), a loudspeaker (12), a lower shell (13), an ear cap (14), an infrared sensing head (15) and a PCB (printed circuit board) (16); the interior of the lower shell (13) is hollow, and the loudspeaker (12) is fixed in the interior of the lower shell (13); a through hole (131) for infrared rays to pass through is formed in the side wall of the lower shell (13), and the PCB (16) is fixed on the inner side wall of the lower shell (13) and is positioned at the through hole (131); the infrared induction head (15) is fixedly connected with the PCB (16) and is arranged in the through hole (131); the upper cover (11) is buckled at the top of the lower shell (13) and is fixedly connected with the lower shell (13); the ear cap (14) is connected to one end of the lower shell (13) far away from the upper cover (11);
the hearing aid component (2), the tip fixedly connected with wire (3) of hearing aid component (2), the other end of wire (3) passes the lateral wall of inferior valve (13) with PCB board (16) fixed connection.
2. The behind-the-ear hearing aid for preventing howling as claimed in claim 1, wherein the behind-the-ear hearing aid further comprises an ear hook (4), the ear hook (4) is in a curved cylindrical shape, a first passage for the lead to pass through is arranged along the center of the ear hook (4), the lead (3) is arranged in the first passage and penetrates through the ear hook (4), and the ear hook (4) is fixedly connected with the end of the hearing aid component (2).
3. The behind-the-ear hearing aid simulation hearing aid for preventing howling according to claim 2, wherein one end of the hearing aid component (2) connected with the ear hook (4) is provided with a connecting stud (5), one end of the connecting stud (5) is fixedly connected with the hearing aid component (2), the other end of the connecting stud (5) penetrates out of the end of the hearing aid component (2) and is in threaded connection with the lead (3), and one end of the connecting stud (5) connected with the lead (3) extends into the first channel of the ear hook (4).
4. The behind-the-ear hearing aid simulating hearing aid for preventing howling as claimed in claim 1, wherein the through hole (131) is fixedly connected with an optical filter (17), the optical filter (17) is cylindrical and hollow, one end of the optical filter (17) close to the inside of the lower shell (13) is open, a baffle (18) extends outwards from the edge of the open end of the optical filter (17), and the baffle (18) is fixedly connected with the inner wall of the lower shell (13); the infrared induction head (15) extends into the optical filter (17), and the PCB (16) is fixedly connected with the baffle (18).
5. The btu-type hearing aid for simulating howling prevention according to claim 4, wherein the outer side wall of the lower shell (13) is provided with a circular truncated cone (132) for connecting with the lead (3), and the interior of the circular truncated cone (132) is provided with a second channel into which the lead (3) extends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221193860.8U CN218772432U (en) | 2022-05-17 | 2022-05-17 | Prevent behind-the-ear formula of whistling and assist and listen simulation audiphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221193860.8U CN218772432U (en) | 2022-05-17 | 2022-05-17 | Prevent behind-the-ear formula of whistling and assist and listen simulation audiphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218772432U true CN218772432U (en) | 2023-03-28 |
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ID=85643412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221193860.8U Active CN218772432U (en) | 2022-05-17 | 2022-05-17 | Prevent behind-the-ear formula of whistling and assist and listen simulation audiphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218772432U (en) |
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2022
- 2022-05-17 CN CN202221193860.8U patent/CN218772432U/en active Active
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