阅读说明：本技术 一种可智能降噪的低音喇叭 (But woofer that intelligence was fallen and is made an uproar ) 是由 施鹏程 于 2021-08-31 设计创作，主要内容包括：本发明公开了一种可智能降噪的低音喇叭,包括盆架和音圈,盆架的外部端面同轴连接设置有装饰环,装饰环的内部设置有硅麦,硅麦以盆架的轴心环绕等距排列,硅麦与音圈之间电性连接,盆架包括外盆壳和内盆壳,外盆壳与内盆壳的夹层内壁轴向设置有加强筋,硅麦与音圈的电性连接线收纳在加强筋的间隔之间,外盆壳与内盆壳的夹层表面均覆盖设置有隔离膜；硅麦位于喇叭的前端最外部,提高了硅麦对环境噪音的侦测精度,确保喇叭能达到理想的降噪效果,硅麦的环绕等距排列,保证硅麦拾取噪声的方向性时刻处于最好的角度,电性连接线隐蔽在加强筋的间隔之间,隔离膜包覆住硅麦的电性连接线,隔离膜能够屏蔽外部绝大部分的电磁干扰,保证拾音的准确性。(The invention discloses a woofer capable of intelligently reducing noise, which comprises a basin frame and a voice coil, wherein the outer end surface of the basin frame is coaxially connected with a decorative ring, silicon microphones are arranged inside the decorative ring, the silicon microphones are arranged around the axis of the basin frame at equal intervals, the silicon microphones are electrically connected with the voice coil, the basin frame comprises an outer basin shell and an inner basin shell, reinforcing ribs are axially arranged on the inner wall of an interlayer of the outer basin shell and the inner basin shell, electrical connecting wires of the silicon microphones and the voice coil are accommodated between the intervals of the reinforcing ribs, and isolating films are covered on the surfaces of the interlayer of the outer basin shell and the inner basin shell; the silicon wheat is located loudspeaker's front end is outside, the precision of listening to the ambient noise of silicon wheat has been improved, ensure that loudspeaker can reach the noise reduction effect of ideal, the equidistance that encircles of silicon wheat is arranged, guarantee that the directionality that the noise was picked up to the silicon wheat is in the best angle constantly, electric connection line conceals between the interval of strengthening rib, the electric connection line of silicon wheat is lived to the barrier film cladding, the barrier film can shield the electromagnetic interference of outside overwhelming part, guarantee the accuracy of pickup.)

1. The utility model provides a woofer that can intelligently fall and make an uproar, includes basin frame (1) and voice coil loudspeaker voice coil (4), its characterized in that: the outer end face of the basin frame (1) is coaxially connected with a decoration ring (2), silicon microphones (11) are arranged inside the decoration ring (2), the silicon microphones (11) are arranged around the axis of the basin frame (1) at equal intervals, and the silicon microphones (11) are electrically connected with the voice coil (4);

basin frame (1) is including outer basin shell (5) and interior basin shell (6), the intermediate layer inner wall axial of outer basin shell (5) and interior basin shell (6) is provided with strengthening rib (8), silicon wheat (11) are accomodate between the interval of strengthening rib (8) with the electric connection line of voice coil loudspeaker voice coil (4), the intermediate layer surface of outer basin shell (5) and interior basin shell (6) all covers and is provided with barrier film (7).

2. The smart noise-reducing woofer of claim 1, wherein: the outer end face of the decoration ring (2) is provided with an assembly groove (9), the silicon wheat (11) is arranged at the bottom of the inner wall of the assembly groove (9), and the decoration ring (2) is provided with a protective cover (3) in a covering mode at an outer port of the assembly groove (9).

3. The smart noise-reducing woofer of claim 2, wherein: the protective cover (3) penetrates through the outer wall of the side face of the silicon microphone (11) to form a sound pickup hole (12), and a dust screen (14) is covered inside a port of the sound pickup hole (12).

4. The smart noise-reducing woofer of claim 2, wherein: the outside terminal surface of protection casing (3) is circular-arc profile, the bottom lateral wall of protection casing (3) is connected and is provided with anti-tripping device (13), protection casing (3) are fixed with the joint between anti-tripping device (13) and assembly groove (9).

5. The smart noise-reducing woofer of claim 2, wherein: the inner wall bottom of assembly groove (9) is provided with blotter (17) for silicon wheat (11) connection, laminate each other between blotter (17) and silicon wheat (11), the inner wall internal connection of blotter (17) is provided with heat-conducting wire (19).

6. The intelligent noise-reducing woofer of claim 5, wherein: the air passing grooves (20) are formed in the bottoms of the inner walls of the assembling grooves (9), the air passing grooves (20) are located at the bottoms of the cushion pads (17), and the air passing grooves (20) are criss-cross and communicated with each other.

7. The smart noise-reducing woofer of claim 2, wherein: the end angle of silicon wheat (11) is equipped with mounting hole (10) under not damaging the circuit, the inner wall bottom of mounting groove (9) is provided with rubber column (18) for mounting hole (10) connection, rubber column (18) run through in mounting hole (10) location silicon wheat (11).

8. The smart noise-reducing woofer of claim 7, wherein: the bottom of rubber column (18) is connected and is provided with base (21), the top of rubber column (18) is connected and is provided with rubber cap (16), the circuit substrate of silicon microphone (11) is held in rubber cap (16) and base (21).

9. The smart noise-reducing woofer of claim 8, wherein: the rubber cap (16) is in a circular truncated cone shape in outline, a deformation hole (15) is axially formed in the rubber cap (16), and the top end face of the rubber cap (16) is in an arc-shaped outline.

10. The smart noise-reducing woofer of claim 1, wherein: the isolation film (7) comprises a shielding layer, an insulating layer and an adhesive layer, wherein the insulating layer and the adhesive layer are distributed and cover on two sides of the shielding layer, and the adhesive layer is adhered to the inner walls of the interlayer of the outer basin shell (5) and the inner basin shell (6).

Technical Field

The invention relates to the technical field of loudspeakers, in particular to a woofer capable of intelligently reducing noise.

Background

Along with the continuous improvement of living standard, listening to music becomes a mode for relieving the mood of people and reducing the pressure after working and leisure, meanwhile, along with the continuous pursuit of people for high-quality life, the quality of the loudspeaker of people is required to be higher, and in order to enable each user to listen to the pure life sound in a noisy environment and protect the hearing, the intelligent noise reduction loudspeaker is developed;

the sound is generated by vibration and is transmitted in the air, the sound can be blocked, absorbed and reversely vibrated and offset in the transmission process, the loudspeaker is used as a secondary sound source and exists in the general environment, the environmental noise becomes a primary sound source relative to other sounds, people can utilize the sound transmission characteristic and the vibration offset principle to enable the secondary sound source to weaken and offset the noise transmitted by the primary sound source, namely the loudspeaker generates the vibration with the same frequency range and opposite phases while playing the sound source to reduce and eliminate the environmental noise around the loudspeaker;

the pickup unit of the present noise reduction assembly is generally arranged in the deep inside of the loudspeaker, the directivity of the noise picked up by the noise reduction assembly cannot reach the best angle, some errors are inevitably generated by the noise pickup, and the connecting circuit of the noise reduction assembly is easily interfered by stray electromagnetic waves, so that the noise reduction effect of the loudspeaker is greatly influenced, and therefore the bass loudspeaker capable of intelligently reducing the noise is provided.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the intelligent noise-reduction woofer, the decoration ring plays roles of decoration, beauty and structure strengthening for a basin frame, the silicon microphone is positioned at the outermost part of the front end of the woofer, the detection precision of the silicon microphone on environmental noise is improved, the ideal noise reduction effect of the woofer can be ensured, the silicon microphones are arranged in a surrounding and equidistant mode, the directivity of the silicon microphone for picking up the noise is ensured to be at the best angle all the time, the electric connection lines of the silicon microphone are hidden between the intervals of the reinforcing ribs, the isolation film covers the electric connection lines of the silicon microphone, the isolation film can shield most of electromagnetic interference outside, and the accuracy of sound picking up is ensured.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a woofer that can intelligently fall and make an uproar, includes basin frame and voice coil loudspeaker voice coil, the outside terminal surface coaxial coupling of basin frame is provided with the rosette, the inside of rosette is provided with silicon wheat, silicon wheat encircles the equidistance with the axle center of basin frame and arranges, electric connection between silicon wheat and the voice coil loudspeaker voice coil, the basin frame includes outer basin shell and interior basin shell, the intermediate layer inner wall axial of outer basin shell and interior basin shell is provided with the strengthening rib, silicon wheat is accomodate between the interval of strengthening rib with the electric connection line of voice coil loudspeaker voice coil, the intermediate layer surface of outer basin shell and interior basin shell all covers and is provided with the barrier film.

Preferably, an assembly groove is formed in the outer end face of the decoration ring, the silicon microphone is arranged at the bottom of the inner wall of the assembly groove, and a protection cover is arranged on the outer port of the assembly groove in a covering mode of the decoration ring.

Preferably, the protective cover is provided with a sound pickup hole in a penetrating manner relative to the outer wall of the side face of the silicon microphone, and a dust screen is covered inside a port of the sound pickup hole.

Preferably, the outside terminal surface of protection casing is circular-arc profile, the bottom lateral wall of protection casing is connected and is provided with anti-tripping, the protection casing is fixed with the joint between anti-tripping and the assembly groove.

Preferably, the bottom of the inner wall of the assembly groove is provided with a cushion pad relative to the connection of the silicon microphones, the cushion pad and the silicon microphones are mutually attached, and the inner wall of the cushion pad is internally connected with a heat conduction wire.

Preferably, the bottom of the inner wall of the assembling groove is provided with an air passing groove, the air passing groove is located at the bottom of the cushion pad, and the air passing grooves are criss-cross and communicated with each other.

Preferably, the end corner of the silicon microphone is provided with a mounting hole under the circuit without damage, the bottom of the inner wall of the assembly groove is provided with a rubber column relative to the mounting hole, and the rubber column penetrates through the mounting hole to position the silicon microphone.

Preferably, the bottom of rubber column is connected and is provided with the base, the top of rubber column is connected and is provided with the rubber cap, the circuit substrate of silicon wheat is held to rubber cap and base.

Preferably, the contour of the rubber cap is a circular truncated cone, a variable hole is axially formed in the rubber cap, and the top end face of the rubber cap is an arc contour.

Preferably, the isolating membrane comprises a shielding layer, an insulating layer and an adhesive layer, the insulating layer and the adhesive layer are distributed and covered on two sides of the shielding layer, and the adhesive layer is adhered to the inner walls of the interlayer of the outer pot shell and the inner pot shell.

Compared with the prior art, the invention can achieve the following beneficial effects:

1. the decorative ring plays a role in decorating beauty and strengthening the structure of the basin stand, the silicon microphone is located at the outermost part of the front end of the loudspeaker, the detection precision of the silicon microphone on environmental noise is improved, the loudspeaker can achieve an ideal noise reduction effect, the silicon microphone is arranged around the loudspeaker at equal intervals, the directivity of the silicon microphone for picking up the noise is guaranteed to be at the best angle all the time, the electric connecting line of the silicon microphone is hidden between the intervals of the reinforcing ribs and is more attractive, the isolating membrane covers the electric connecting line of the silicon microphone, the isolating membrane can shield most of electromagnetic interference outside, and the accuracy of picking up is guaranteed;

2. the protective cover provides continuous protection for the silicon wheat to avoid damage caused by collision and contact with the outside, the protective cover and the decorative ring are of split structures, namely the protective cover and the decorative ring are convenient to disassemble and assemble, later maintenance and repair of the silicon wheat are facilitated, the pickup hole of the protective cover is beneficial to improving the detection precision of the silicon wheat on environmental noise, the horn is ensured to achieve an ideal noise reduction effect, the dust screen prevents dust from entering the pickup hole, and the protective cover with the arc-shaped end surface is more attractive;

3. the blotter can prevent that loudspeaker from removing in-process silicon wheat from taking place vibrations and leading to it impaired each other with the assembly of laminating of silicon wheat, can prevent again that loudspeaker from removing the heat conduction silk of in-process from for silicon wheat reinforcing heat-sinking capability, thereby make the long-time stable function of silicon wheat, the rubber material of rubber post is showing slow down and silicon wheat between wearing and tearing, the rubber post is favorable to the positioning assembly of silicon wheat, the assembly easy operation of silicon wheat is convenient, also be favorable to the quick assembly disassembly of silicon wheat, do benefit to the later maintenance repair of silicon wheat promptly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cut-away view of the frame of the present invention;

FIG. 3 is a schematic view of a decorative ring of the present invention;

FIG. 4 is a schematic view of a protective cover of the present invention;

FIG. 5 is a schematic view of a rubber column of the present invention;

FIG. 6 is a schematic view of the cushion of the present invention.

Wherein: 1. a basin stand; 2. a decorative ring; 3. a protective cover; 4. a voice coil; 5. an outer tub shell; 6. an inner pot shell; 7. an isolation film; 8. reinforcing ribs; 9. assembling a groove; 10. mounting holes; 11. silicon wheat; 12. a sound pickup hole; 13. preventing tripping; 14. a dust screen; 15. a deformation hole; 16. a rubber cap; 17. a cushion pad; 18. a rubber column; 19. heat conducting wires; 20. an air passing groove; 21. a cushion seat.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example 1

Referring to fig. 1, 2 and 3, the invention provides an intelligent noise-reducing woofer, which comprises a frame 1 and a voice coil 4, wherein the outer end surface of the frame 1 is coaxially connected with a decoration ring 2, the decoration ring 2 is internally provided with a silicon microphone 11, the silicon microphones 11 are arranged around the axis of the frame 1 at equal intervals, the silicon microphones 11 are electrically connected with the voice coil 4, the decoration ring 2 plays roles of decorating, beautifying and strengthening the structure of the frame 1, the silicon microphone 11 is positioned at the outermost part of the front end of the woofer, so that the detection precision of the silicon microphone 11 on environmental noise is improved, the ideal noise-reducing effect of the woofer can be achieved, the silicon microphones 11 are arranged around at equal intervals, the directionality of the picked noise of the silicon microphones 11 is ensured to be at the best angle, the silicon microphone 11 detects the frequency of the environmental noise, transmits the frequency signal to the woofer and vibrates the voice coil 4, and accordingly generates a vibration diaphragm opposite to the phase of the environmental noise, The sound waves with the same amplitude are used for offsetting noise;

basin frame 1 includes outer basin shell 5 and interior basin shell 6, interior basin shell 6 is coaxial, establish the inside at outer basin shell 5 with the profile cover, outer basin shell 5 is provided with strengthening rib 8 with the intermediate layer inner wall axial of interior basin shell 6, silicon wheat 11 is accomodate between the interval of strengthening rib 8 with the electrical connection line of voice coil loudspeaker voice coil 4, the intermediate layer surface of outer basin shell 5 and interior basin shell 6 all covers and is provided with barrier film 7, strengthening rib 8 strengthens the structural strength of outer basin shell 5 and interior basin shell 6 respectively, the electrical connection line of silicon wheat 11 is hidden more pleasing to the eye between the interval of strengthening rib 8, outer basin shell 5 and interior basin shell 6 can not produce the pressure loss to the electrical connection line of silicon wheat 11 simultaneously, the electrical connection line of silicon wheat 11 is lived in the cladding of barrier film 7, the electromagnetic interference of outside overwhelming majority can be shielded to barrier film 7, the accuracy of assurance pickup.

As shown in fig. 2, the invention discloses an isolation film 7 comprising a shielding layer, an insulating layer and an adhesive layer, wherein the insulating layer and the adhesive layer are distributed and covered on two sides of the shielding layer, the adhesive layer is adhered to the inner walls of the interlayers of an outer basin shell 5 and an inner basin shell 6, the shielding layer comprises but is not limited to a metal shielding layer, the shielding layer provides high-efficiency electromagnetic anti-interference capability for the isolation film 7, the insulating layer protects the shielding layer and reduces abrasion, and the adhesive layer is beneficial to the installation and the disassembly of the isolation film 7.

Example 2

The embodiment is an improvement made on embodiment 1, please refer to fig. 1 and fig. 3 specifically, assembly groove 9 has been seted up to the outside terminal surface of rosette 2, silicon wheat 11 sets up in the inner wall bottom of assembly groove 9, rosette 2 covers at the outside port of assembly groove 9 and is provided with protection casing 3, silicon wheat 11 is located the front end of loudspeaker outermost, silicon wheat 11 has improved the precision of detecting the ambient noise, ensure that loudspeaker can reach ideal noise reduction, protection casing 3 provides continuous protection for silicon wheat 11 and avoids taking place to collide with the contact with the external world and cause the damage, protection casing 3 and rosette 2 are the formula structure of splitting, be favorable to protection casing 3 and rosette 2 dismouting promptly, be favorable to silicon wheat 11's later maintenance and repair.

As shown in fig. 4, the invention discloses that the protective cover 3 is provided with a sound pickup hole 12 penetrating through the outer wall of the side surface opposite to the silicon microphone 11, a dust screen 14 is covered inside the port of the sound pickup hole 12, the sound pickup hole 12 of the protective cover 3 is favorable for improving the detection precision of the silicon microphone 11 on the environmental noise, so as to ensure that the horn can achieve an ideal noise reduction effect, the sound pickup hole 12 is arranged on the outer wall of the side surface of the protective cover 3, so that the entering of impurities such as dust is reduced, and the dust screen 14 further prevents the dust from entering the sound pickup hole 12.

As shown in fig. 3 and 4, the invention discloses that the outer end surface of the protective cover 3 is in an arc-shaped outline, the side wall of the bottom of the protective cover 3 is connected with an anti-tripping device 13, the protective cover 3 is clamped and fixed with the assembly groove 9 through the anti-tripping device 13, the protective cover 3 with the arc-shaped end surface is more attractive and more harmonious with the assembly of the basin frame 1, the protective cover 3 can not fall off when the anti-tripping device 13 is clamped and connected with the assembly groove 9, the protective cover 3 constantly protects the silicon microphone 11, and meanwhile, the clamping of the protective cover 3 is beneficial to the quick assembly and disassembly of the silicon microphone, does not need auxiliary tools and is beneficial to the later maintenance and repair of the silicon microphone 11.

Example 3

The present embodiment is an improvement made on embodiment 1, and specifically please refer to fig. 5 and 6, a buffer pad 17 is connected and disposed at the bottom of the inner wall of the assembly groove 9 relative to the silicon microphone 11, the buffer pad 17 and the silicon microphone 11 are attached to each other, a heat conducting wire 19 is connected and disposed inside the inner wall of the buffer pad 17, and the buffer pad 17 and the silicon microphone 11 are attached to each other and assembled to prevent the silicon microphone 11 from being damaged due to vibration during the movement of the speaker, and enhance the heat dissipation capability of the silicon microphone 11 according to the heat conducting wire 19, so that the silicon microphone 11 operates stably for a long time, and the service life is prolonged.

As shown in fig. 6, the invention discloses that the bottom of the inner wall of the assembly groove 9 is provided with the air passing grooves 20, the air passing grooves 20 are positioned at the bottom of the cushion pad 17, the air passing grooves 20 are criss-cross and communicated with each other, and the air passing grooves 20 are beneficial to accelerating the circulation of air at the bottom of the cushion pad 17, i.e. further improving the heat dissipation capacity of the silicon microphone 11 for the cushion pad 17 and ensuring the long-time stable operation of the silicon microphone 11.

Example 4

The embodiment is an improvement made on embodiment 1, and specifically please refer to fig. 3 and 5, an end corner of the silicon microphone 11 is provided with a mounting hole 10 under a circuit without damage, a rubber column 18 is connected to the bottom of the inner wall of the assembly groove 9 relative to the mounting hole 10, the rubber column 18 penetrates through the mounting hole 10 to position the silicon microphone 11, the rubber material of the rubber column 18 significantly slows down the abrasion with the silicon microphone 11, the rubber column 18 is favorable for positioning and assembling the silicon microphone 11, the assembly operation of the silicon microphone 11 is simple and convenient, and the quick assembly and disassembly of the silicon microphone 11 are also favorable, i.e., the later maintenance and repair of the silicon microphone 11 are favorable.

As shown in fig. 5 and 6, the invention discloses that a pad 21 is connected to the bottom of a rubber column 18, a rubber cap 16 is connected to the top of the rubber column 18, the rubber cap 16 and the pad 21 clamp a circuit board of a silicon microphone 11, the rubber cap 16 and the pad 21 are both made of flexible materials, abrasion between the rubber cap 16 and the silicon microphone 11 is avoided, the diameter of the bottom end face of the rubber cap 16 and the diameter of the top end face of the pad 21 are both larger than the diameter of the mounting hole 10, and the silicon microphone 11 is fixed and prevented from falling off.

As shown in fig. 5, the invention discloses that the outline of the rubber cap 16 is in a circular truncated cone shape, the inside of the rubber cap 16 is axially provided with a deformation hole 15, the top end surface of the rubber cap 16 is in an arc-shaped outline, the circular truncated cone-shaped rubber cap 16 is beneficial to positioning and penetrating with the mounting hole 10, the rubber material of the rubber cap 16 and the deformation hole 15 are beneficial to deformation of the rubber cap 16, the rubber cap 16 is beneficial to penetrating with the mounting hole 10, and the rubber cap 16 with the arc-shaped end surface is prevented from being scratched when contacting with the silicon microphone 11.

According to the intelligent noise-reduction woofer provided by the invention, the decorative ring 2 plays roles of decoration, beauty and structure reinforcement on the basin frame 1, the silicon microphone 11 is positioned at the outermost part of the front end of the woofer, the detection precision of the silicon microphone 11 on environmental noise is improved, the ideal noise reduction effect of the woofer can be ensured, the silicon microphone 11 is arranged around the woofer at equal intervals, the directivity of the silicon microphone 11 for picking up the noise is ensured to be at the best angle, the silicon microphone 11 detects the frequency of the environmental noise at first, then the frequency signal is transmitted to the woofer and sent to the voice coil 4 to vibrate the vibrating diaphragm, and therefore, sound waves with opposite phases and same amplitude with the environmental noise are generated to offset the noise; the reinforcing ribs 8 respectively enhance the structural strength of the outer basin shell 5 and the inner basin shell 6, the electric connecting line of the silicon wheat 11 is hidden between the intervals of the reinforcing ribs 8 and is more attractive, meanwhile, the outer basin shell 5 and the inner basin shell 6 cannot generate pressure loss on the electric connecting line of the silicon wheat 11, the isolating membrane 7 covers the electric connecting line of the silicon wheat 11, the isolating membrane 7 can shield most of external electromagnetic interference, and the pickup accuracy is guaranteed; the protective cover 3 provides continuous protection for the silicon wheat 11 to avoid damage caused by collision and contact with the outside, the protective cover 3 and the decorative ring 2 are of a split structure, the protective cover 3 and the decorative ring 2 are convenient to disassemble and assemble, the later maintenance and repair of the silicon microphone 11 are facilitated, the sound pickup hole 12 of the protective cover 3 is beneficial to improving the detection precision of the silicon microphone 11 to the environmental noise, the loudspeaker can achieve the ideal noise reduction effect, the sound pickup hole 12 is arranged on the outer wall of the side surface of the protective cover 3, the entering of impurities such as dust and the like is reduced, the dust screen 14 further prevents the dust from entering the sound pickup hole 12, the protective cover 3 with the arc-shaped end surface is more attractive, and the assembly between the silicon microphone and the basin stand 1 is more coordinated, the protective cover 3 prevents the release 13 from being clamped with the assembly groove 9 and can not fall off, the protective cover 3 protects the silicon microphone 11 all the time, meanwhile, the protective cover 3 is clamped to facilitate quick assembly and disassembly without an auxiliary tool, and later maintenance and repair of the silicon microphone 11 are facilitated; the cushion pad 17 and the silicon microphone 11 are mutually attached and assembled, so that the silicon microphone 11 can be prevented from being damaged due to vibration in the loudspeaker moving process, and the heat dissipation capacity of the silicon microphone 11 can be enhanced according to the heat conduction wires 19 of the silicon microphone, so that the silicon microphone 11 can stably operate for a long time, the service life is prolonged, the air passing groove 20 is favorable for accelerating circulation of air at the bottom of the cushion pad 17, namely the heat dissipation capacity of the silicon microphone 11 is further improved for the cushion pad 17, and the long-time stable operation of the silicon microphone 11 is ensured; rubber column 18's rubber material is showing slow down and is wearing and tearing between the silicon microphone 11, rubber column 18 is favorable to the positioning assembly of silicon microphone 11, the assembly easy operation of silicon microphone 11 is convenient, also be favorable to the quick assembly disassembly of silicon microphone 11, be favorable to the later maintenance repair of silicon microphone 11 promptly, rubber cap 16 is flexible material with base 21, avoid taking place wearing and tearing between the silicon microphone 11, the bottom end diameter of rubber cap 16 and the top end diameter of base 21 all are greater than the diameter of mounting hole 10, be favorable to the fixed of silicon microphone 11 to prevent to drop, the rubber cap 16 of round platform form is favorable to penetrating through with the location of mounting hole 10, the rubber material of rubber cap 16 and deformation hole 15 are favorable to rubber cap 16 to take place the deformation, be favorable to rubber cap 16 to penetrating through mounting hole 10, the rubber cap 16 of circular-arc terminal surface causes the scratch when avoiding contacting with silicon microphone 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.