CN217216898U

CN217216898U - In-the-ear hearing aid

Info

Publication number: CN217216898U
Application number: CN202220862939.9U
Authority: CN
Inventors: 毛华会; 王君炜
Original assignee: Hangzhou Hearing Works Technology Co ltd
Current assignee: Hangzhou Hearing Works Technology Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-16
Anticipated expiration: 2032-04-14
Also published as: WO2023197486A1

Abstract

The utility model relates to a audiphone technical field especially relates to in-the-ear formula audiphone. An in-the-ear hearing aid comprises an earplug part which can extend into an ear, wherein the earplug part is provided with a through hole and a sound guide hole, the sound guide hole is used for transmitting sound into the ear, and the through hole can be communicated with the inside of the ear and the outside; the inner wall of the through hole is provided with a bulge, and the bulge is used for reflecting the sound passing through the through hole so as to change the propagation path of the sound. The ear-shaped sound wave generating device has the advantages that the through hole can balance the internal and external pressure difference of the ear, when redundant sound energy passes through the through hole, the sound energy can collide and reflect with the bulge on the inner wall of the through hole, the propagation path is disordered, and the energy is gradually absorbed by the bulge. By reducing the sound energy, the generation of high-frequency squeal is prevented, and the problem of squeal is avoided while the comfortable ventilation is taken into consideration.

Description

In-the-ear hearing aid

Technical Field

The utility model relates to a audiphone technical field especially relates to in-the-ear formula audiphone.

Background

The hearing aid is a sound amplification device which helps the hearing-impaired to improve the hearing so as to improve the speech communication ability. With the development of technology, in the field of hearing aid technology, people not only pay attention to the function of the hearing aid, but also look very much at the appearance of the hearing aid. The in-ear hearing aid is molded and customized according to the shapes of the concha cavity and the ear canal of a user, has good effect, is more concealed and is popular with the user.

Most direct insertion in the duct is said to current intra-aural audiphone, and such mode is better although the effect, nevertheless because whole duct is all sealed by earplug portion, leads to the unable flow of air current, and then causes the duct humidity, the vexed problem of sound. Therefore, some in-ear hearing aids have through holes in the ear plugs, and balance between internal and external air pressures is achieved by the through holes, and the ear canals are kept dry. However, the through holes are easy to cause high-frequency howling, and only the sound output can be reduced through an algorithm to relieve the problem of the high-frequency howling, and the daily experience and the gain requirement of a user are affected by the solution.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides a treatment device to foretell technical problem, technical scheme as follows:

an in-the-ear hearing aid comprises an earplug part which can extend into an ear, wherein the earplug part is provided with a through hole and a sound guide hole, the sound guide hole is used for transmitting sound into the ear, and the through hole can be communicated with the inside of the ear and the outside;

the inner wall of the through hole is provided with a bulge, and the bulge is used for reflecting the sound passing through the through hole so as to change the propagation path of the sound.

So set up, the inside and outside pressure differential of ear can be balanced to the through-hole, and when unnecessary sound energy at the in-process through the through-hole, can collide with the arch and the reflection of through-hole inner wall, propagation path is disorderly, and the energy is absorbed by the arch gradually. By reducing the sound energy, the generation of high-frequency squeal is prevented, and the problem of squeal is avoided while the comfortable ventilation is taken into consideration.

In one embodiment, the protrusion is looped around the inner wall of the through hole to form an annular step.

So set up, annular step circumference encircles, and furthest has increased the area of contact with sound, has improved backstop and the effect of disorderly sound propagation path, further avoids the production of howling.

In one embodiment, the number of the protrusions is at least two, and the two protrusions are arranged at intervals along the axial direction of the through hole.

By the arrangement, the number of the bulges is increased, so that the absorption of sound energy is further enhanced, and the generation of squeaking is avoided.

In one embodiment, the protrusions are spirally distributed along the axial direction of the through hole.

With the arrangement, the spirally distributed bulges can guide the sound propagation path, improve the consumption of sound energy and prevent the generation of squeaking.

In one embodiment, the protrusion extends from one end of the through hole to the other end of the through hole.

So set up, further improved bellied distribution area for the backstop maximize that sound received in the process of through-hole propagation.

In one embodiment, the aperture of the sound guide hole is larger than the aperture of the through hole.

So set up, can guarantee to lead the effect of the conduction sound in hole, avoid the too big performance that influences audiphone itself of through-hole.

In one embodiment, the in-the-ear hearing aid further comprises a fixing part connected to the ear plug part for fixing the in-the-ear hearing aid to the human ear.

In one embodiment, the surfaces of the earplug portion and the fixing portion are provided with non-slip portions.

So set up, antiskid portion can prevent that audiphone from droing from user's ear, avoids producing the damage, improves the life of audiphone, also prevents that earplug portion is not hard up from the auditory canal in, influences the sound propagation effect of audiphone.

In one embodiment, the fixing portion is provided with an opening.

So set up, the opening can reduce the weight of in-the-ear formula audiphone, prevents that the user from wearing the back ear for a long time and producing fatigue, improves the comfort level of using.

In one embodiment, the height of the protrusions is 0.3mm to 0.5 mm.

So set up, rationally stipulated bellied height, if bellied highly be less than 0.3mm, then can influence the arch to the absorption effect of energy, if protruding highly be greater than 0.5mm, then can influence the ventilation performance of through-hole, influence the through-hole to the inside and outside balance of pressure differential of duct.

Compare in prior art, the through-hole of this application can balance the inside and outside pressure differential of ear, and when unnecessary sound energy is at the in-process through-hole, can collide with the reflection with the arch of through-hole inner wall, the propagation path is disorderly, and energy is absorbed by the arch gradually. By reducing the sound energy, the generation of high-frequency squeal is prevented, and the problem of squeal is avoided while the comfortable ventilation is taken into consideration.

Drawings

Fig. 1 is a schematic structural diagram of an in-the-ear hearing aid provided by the present invention;

fig. 2 is a schematic view of another perspective structure of the in-ear hearing aid according to the present invention;

the symbols in the drawings represent the following meanings:

100. in-the-ear hearing aids; 10. an earplug portion; 11. a through hole; 111. a protrusion; 12. a sound guide hole; 20. a fixed part; 21. opening a hole; 30. and a non-slip part.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used in the description of the present application are for illustrative purposes only and do not represent the only embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or may simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

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

The utility model provides a pair of in-ear hearing aid 100 is applied to in the audiphone field, can help the disabled person of hearing to improve a public address set of speech communication ability.

Most direct insertion in the duct is said to current intra-aural audiphone, and such mode is better although the effect, nevertheless because whole duct is all sealed by earplug portion, leads to the unable flow of air current, and then causes the duct humidity, the vexed problem of sound. Therefore, some in-ear hearing aids have through holes in the ear plugs, and balance between internal and external air pressures is achieved by the through holes, and the ear canals are kept dry. However, the through hole 11 is relatively easy to cause high frequency howling, and only the sound output can be reduced through an algorithm to relieve the problem of high frequency howling, and such a solution would affect the daily experience and gain requirements of the user.

In order to solve the above problem, please refer to fig. 1-2, the present invention provides an in-ear hearing aid 100, which includes an earplug portion 10 capable of extending into an ear, the earplug portion 10 being provided with a through hole 11 and a sound guiding hole 12, the sound guiding hole 12 being used for transmitting sound into the ear, the through hole 11 being capable of communicating the inside of the ear with the outside;

the inner wall of the through hole 11 is provided with a protrusion 111, and the protrusion 111 is used for reflecting sound passing through the through hole 11 to change a propagation path of the sound.

The through hole 11 can balance the pressure difference between the inside and the outside of the ear, when the redundant sound energy passes through the through hole 11, the redundant sound energy collides and reflects with the bulge 111 on the inner wall of the through hole 11, the propagation path is disordered, and the energy is gradually absorbed by the bulge 111. By reducing the sound energy, the generation of high-frequency squeal is prevented, and the problem of squeal is avoided while the comfortable ventilation is taken into consideration.

Specifically, the protrusion 111 is wound once around the inner wall of the through-hole 11 to form an annular step. The annular step is circumferentially surrounded, so that the contact area with sound is increased to the maximum extent, the effects of stopping and disturbing the sound transmission path are improved, and the generation of squeaking is further avoided.

Further, the number of the protrusions 111 is at least two, and the two protrusions 111 are provided at intervals along the axial direction of the through hole 11. The number of the protrusions 111 is increased to further enhance the absorption of sound energy and avoid the generation of howling.

It is understood that the number of the protrusions 111 may also be three, four, five, six, or the like, and the other end of the through hole 11 may also be arranged from one end of the through hole 11, and the number of the protrusions 111 is not limited to two as described in the present embodiment, and only needs to be able to satisfy the requirement of absorbing the sound energy. The greater the number and area of the protrusions 111, the better the sound absorption effect.

In another embodiment, the protrusions 111 are spirally distributed along the axial direction of the through hole 11. The spiral protrusions 111 can guide a sound propagation path, improve consumption of sound energy, and prevent howling.

Specifically, the protrusion 111 extends from one end of the through hole 11 to the other end of the through hole 11, further increasing the distribution area of the protrusion 111, so that the stop received by the sound during the transmission through the through hole 11 is maximized.

Of course, in other embodiments, the protrusion 111 may also be provided in other shapes, such as an irregular protrusion structure or a vertical rib structure, and is not limited to the annular step shape or the spiral shape described in this embodiment, and only needs to be able to affect the transmission of sound and absorb sound energy.

The aperture of the through hole 11 is larger than 2mm, so that the function of balancing the pressure difference inside and outside the auditory canal is ensured. The height of the protrusion 111 of the inner wall of the through-hole 11 is 0.3mm-0.5 mm. If the height of the protrusion 111 is less than 0.3mm, the effect of the protrusion 111 on absorbing energy is affected, and if the height of the protrusion 111 is greater than 0.5mm, the ventilation performance of the through hole 11 is affected, and the balance of the through hole 11 on the pressure difference inside and outside the auditory canal is affected.

The aperture of the sound conduction hole 12 is larger than that of the through hole 11, so that the sound conduction effect of the sound conduction hole is ensured, and the influence of the overlarge through hole 11 on the performance of the hearing aid is avoided.

The in-the-ear hearing aid 100 further comprises a fixation part 20, the fixation part 20 being connected to the earplug part 10, the fixation part 20 being for fixing the in-the-ear hearing aid 100 to the human ear.

The surfaces of the fixing part 20 and the earplug part 10 are provided with the anti-slip part 30, the anti-slip part 30 can prevent the hearing aid from falling off from the ear of a user, damage is avoided, the service life of the hearing aid is prolonged, and the earplug part 10 is prevented from loosening from the ear canal and affecting the sound transmission effect of the hearing aid.

In the present embodiment, the anti-slip part 30 is a mesh structure, so as to increase the friction force with the ear canal of the user and prevent the in-the-ear hearing aid 100 from falling off from the ear of the user. It will be appreciated that in other embodiments, the non-slip portion 30 may be provided in a dense granular structure, which may also serve to increase friction with the user's ear. The arrangement of the antiskid portion 30 is not limited to the lattice structure described in the present embodiment.

The fixing portion 20 is further provided with an opening 21, which can reduce the weight of the in-ear hearing aid 100, prevent the user from fatigue of the ear after wearing for a long time, and improve the comfort level of use.

Compared with the prior art, the through hole 11 can balance the pressure difference between the inside and the outside of the ear, when the redundant sound energy is in the process of passing through the through hole 11, the redundant sound energy can collide with and reflect the bulge 111 on the inner wall of the through hole 11, the propagation path is disordered, and the energy is gradually absorbed by the bulge 111. By reducing the sound energy, the generation of high-frequency squeal is prevented, and the problem of squeal is avoided while the comfortable ventilation is taken into consideration. In addition, this application is still through antiskid portion 30 to prevent to drop, through setting up trompil 21, reduces the weight of in-the-ear formula audiphone 100, improves the comfort level of using.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An in-the-ear hearing aid comprises an earplug part (10) capable of extending into an ear, wherein the earplug part (10) is provided with a through hole (11) and a sound guide hole (12), the sound guide hole (12) is used for transmitting sound into the ear, and the through hole (11) can be communicated with the inside of the ear and the outside;

the sound-reflecting type microphone is characterized in that a protrusion (111) is arranged on the inner wall of the through hole (11), and the protrusion (111) is used for reflecting sound passing through the through hole (11) so as to change the propagation path of the sound.

2. In-the-ear hearing aid according to claim 1, characterized in that the protrusion (111) is looped around the inner wall of the through hole (11) to form an annular step.

3. In-the-ear hearing aid according to claim 2, characterized in that the number of protrusions (111) is at least two and that two protrusions (111) are provided at intervals along the axial direction of the through hole (11).

4. In-the-ear hearing aid according to claim 1, characterized in that the protrusions (111) are helically distributed along the axial direction of the through hole (11).

5. In-the-ear hearing aid according to claim 4, characterized in that the protrusion (111) extends from one end of the through hole (11) to the other end of the through hole (11).

6. In-the-ear hearing aid according to claim 1, characterized in that the aperture of the sound conduction hole (12) is larger than the aperture of the through hole (11).

7. In-the-ear hearing aid according to claim 1, further comprising a fixation part (20), wherein the fixation part (20) is connected to the earplug part (10), wherein the fixation part (20) is used for fixation of the in-the-ear hearing aid to the human ear.

8. In-the-ear hearing aid according to claim 7, characterized in that the surfaces of the earplug portion (10) and the fixture portion (20) are provided with a non-slip portion (30).

9. In-the-ear hearing aid according to claim 7, characterized in that the fixing part (20) is provided with an opening (21).

10. In-the-ear hearing aid according to claim 1, characterized in that the height of the protrusion (111) is 0.3mm-0.5 mm.