CN202085286U - Microphone - Google Patents

Microphone Download PDF

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Publication number
CN202085286U
CN202085286U CN2011201734625U CN201120173462U CN202085286U CN 202085286 U CN202085286 U CN 202085286U CN 2011201734625 U CN2011201734625 U CN 2011201734625U CN 201120173462 U CN201120173462 U CN 201120173462U CN 202085286 U CN202085286 U CN 202085286U
Authority
CN
China
Prior art keywords
microphone
catch net
sound hole
shell
wiring board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2011201734625U
Other languages
Chinese (zh)
Inventor
党茂强
张庆斌
谷芳辉
端木鲁玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goertek Microelectronics Inc
Original Assignee
Goertek Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Goertek Inc filed Critical Goertek Inc
Priority to CN2011201734625U priority Critical patent/CN202085286U/en
Application granted granted Critical
Publication of CN202085286U publication Critical patent/CN202085286U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a microphone, which comprises an external packaging structure consisting of an outer shell and a circuit board. A sound hole for receiving sound signals is arranged on the outer shell, a parallel-plate capacitor consisting of a diaphragm, a spacer and an electrode plate is arranged in the external packaging structure and is electrically connected with a circuit board by the aid of a grating ring in a cavity and the outer shell, the electrode plate is provided with a hole, an electronic circuit assembly consisting of components is arranged on the circuit board, and a lightproof noiseproof protective net is arranged on the surface of the sound hole of the outer shell. Light and noise reduction effect is achieved by the aid of the lightproof noiseproof protective net arranged on the surface of the sound hole of the outer shell, and the microphone is simple in design and easy to be implemented, production cost of the microphone cannot be increased and pickup effect of the microphone cannot be affected.

Description

Microphone
Technical field
The utility model relates to the acoustical-electrical transducer technical field, more specifically, relates to a kind of microphone that can have the effect of making an uproar against sunshine.
Background technology
Along with the progress of society and the development of technology, in recent years, along with electronic product volumes such as mobile phone, notebook computer constantly reduce, people are also more and more higher to the performance requirement of these portable electronic products, thereby also require the volume of supporting with it electronic component constantly to reduce, performance and consistency improve constantly.Under this background, also released a lot of novel products as the microphone products field of one of strength member of above-mentioned portable electronic products, be representative products wherein with the back-polar type microphone.
Operation principle for common back-polar type microphone products, as accompanying drawing 1 is a kind of microphone products profile of routine, comprise that shell 1 and wiring board 2 constitute the outer enclosure structure of microphone, on shell 1, be provided with the sound hole 11 that is used to receive voice signal, be provided with by diaphragm 4 in encapsulating structure inside, pad 5, the plane-parallel capacitor that pole plate 6 is formed, described plane-parallel capacitor is electrically connected with wiring board 2 by grating ring 7 and the shell 1 in the cavity 8, on described pole plate 6, be provided with pole plate hole 61, wiring board 2 is provided with the electronic circuit set of being made up of components and parts 3, since this fixed structure caused extraneous light easily from the external world by the sound hole 11 on the shell 1, pass diaphragm 4, pad 5, the plane-parallel capacitor that pole plate 6 is formed, affact in the electronic circuit set 3 on the wiring board, work to electronic circuit set 3 brings certain interference, is commonly called as " optical noise ".Simultaneously, illumination is mapped in the electronic circuit set, also can the electrical property of microphone be exerted an influence.
Thus, need design a kind of simple in structure, and can be good at realizing falling the make an uproar microphone structure of effect of light.
The utility model content
In view of the above problems, the purpose of this utility model provides a kind of simple in structure and can realize falling the make an uproar microphone of effect of light well.
For solving the problems of the technologies described above; the utility model is by the following technical solutions: a kind of microphone; comprise the outer enclosure structure of forming by shell and wiring board; on described shell, be provided with the sound hole that is used to receive voice signal; described encapsulating structure inside is provided with the plane-parallel capacitor of being made up of diaphragm, pad, pole plate; described plane-parallel capacitor is electrically connected with wiring board by grating ring and the shell in the cavity; wiring board is provided with the electronic circuit set of being made up of components and parts; wherein, described shell sound hole surface is provided with the catch net of making an uproar against sunshine.
In addition, optimized technical scheme is that in described encapsulating structure inside, described shell sound hole surface is provided with the catch net of making an uproar against sunshine.
In addition, optimized technical scheme is that in described encapsulating structure outside, described shell sound hole surface is provided with the catch net of making an uproar against sunshine.
In addition, optimized technical scheme is that described catch net is the macromolecule foaming catch net.
In addition, optimized technical scheme is that described catch net is nonwoven fabrics catch net or braiding catch net.
In addition, optimized technical scheme is that the color of described catch net is black or navy blue or Dark grey or dark brown or blackish green or dark-brown or coffee color.
Utilize above-mentioned according to microphone of the present utility model; be provided with the catch net of making an uproar against sunshine by shell sound hole surface, can stop the illumination that the external world enters, make extraneous illumination seldom enter microphone inside; thereby well realize noise reduction, and can not have influence on the reception of voice signal.
Description of drawings
By the content of reference below in conjunction with the description of the drawings and claims, and along with understanding more comprehensively of the present utility model, other purpose of the present utility model and result will understand and easy to understand more.In the accompanying drawings:
Fig. 1 is the cross-sectional view of the utility model background technology.
Fig. 2 is the cross-sectional view of the utility model embodiment one.
Fig. 3 is the cross-sectional view of the utility model embodiment two.
Identical label is indicated similar or corresponding feature or function in institute's drawings attached.
Embodiment
Below with reference to accompanying drawing specific embodiment of the utility model is described in detail.
Embodiment one
Fig. 2 is the cross-sectional view of the utility model embodiment one.As shown in Figure 2; a kind of microphone; comprise the outer enclosure structure of forming by shell 1 and wiring board 2; on described shell 1, be provided with the sound hole 11 that is used to receive voice signal; described encapsulating structure inside is provided with by diaphragm 4; pad 5; the plane-parallel capacitor that pole plate 6 is formed; described plane-parallel capacitor is electrically connected with wiring board 2 by grating ring 7 and the shell 1 in the cavity 8; on described pole plate 6, be provided with pole plate hole 61; wiring board 2 is provided with the electronic circuit set of being made up of components and parts 3; wherein; in encapsulating structure inside, 11 surfaces, shell sound hole are provided with the catch net 9 of making an uproar against sunshine.
As optimized technical scheme; the color of catch net can be selected the color of black, navy blue, Dark grey, dark brown, blackish green, dark-brown, coffee color or other dark systems; in order to stop illumination from the microphone outside; prevent that extraneous light from shining electronic circuit set 3 on the wiring board 2 by sound hole 11, diaphragm 4, pole plate hole 61; thereby reduce the illumination that enters microphone inside as far as possible, to realize falling the effect that light is made an uproar.Preferred in the present embodiment black can reach best effect as the color of catch net.
This design of the utility model only shell sound hole surface of the encapsulating structure inside by microphone is provided with the catch net 9 of making an uproar against sunshine; prevent that extraneous light from shining the electronic circuit set 3 on the wiring board 2; realize well falling the light effect of making an uproar by the mode that stops light; simplicity of design and be easy to realize; and catch net is arranged at the encapsulating structure enclosure; can not increase product size; pickup effect to product can not exert an influence yet, and simultaneously this catch net also can play environmental protection effects such as dustproof, waterproof.
In the implementation case, as optimized technical scheme, catch net can be selected the macromolecule foaming catch net, and the air-vent aperture of this catch net is even, and can regulate the frequency response curve of microphone, plays good acoustic efficiency; Catch net can also be selected nonwoven fabrics catch net or mesh grid, and the air-vent aperture of this catch net is even, with low cost, can realize well preventing dust, waterproof, fall light environmental protection effect such as make an uproar.
Embodiment two
Fig. 3 is the cross-sectional view of the utility model embodiment two.As shown in Figure 3; a kind of microphone; comprise the outer enclosure structure of forming by shell 1 and wiring board 2; on described shell 1, be provided with the sound hole 11 that is used to receive voice signal; described encapsulating structure inside is provided with by diaphragm 4; pad 5; the plane-parallel capacitor that pole plate 6 is formed; described plane-parallel capacitor is electrically connected with wiring board 2 by grating ring 7 and the shell 1 in the cavity 8; on described pole plate 6, be provided with pole plate hole 61; wiring board 2 is provided with the electronic circuit set of being made up of components and parts 3; wherein; in the encapsulating structure outside, 11 surfaces, shell sound hole are provided with the catch net 9 of making an uproar against sunshine.
As optimized technical scheme; the color of catch net 9 can be selected the color of black, navy blue, Dark grey, dark brown, blackish green, dark-brown, coffee color or other dark systems; in order to stop illumination from the microphone outside; prevent that extraneous light from shining electronic circuit set 3 on the wiring board 2 by sound hole 11, diaphragm 4, pole plate hole 61; thereby reduce the illumination that enters microphone inside as far as possible; prevent that extraneous light from shining the electronic circuit set 3 on the wiring board 2, to realize falling the effect that light is made an uproar.Preferred in the present embodiment black can reach best effect as the color of catch net.
This design of the utility model only shell sound hole surface of the encapsulating structure outside by microphone is provided with the catch net of making an uproar against sunshine; prevent that extraneous light from shining the electronic circuit set 3 on the wiring board 2; realize well falling the light effect of making an uproar by the mode that stops light; simplicity of design and be easy to realize; and catch net is arranged at the outside of encapsulating structure shell; simple to operate; and also can not exert an influence to the pickup effect of product, this catch net also can play environmental protection effects such as dustproof, waterproof simultaneously.
In the implementation case, as optimized technical scheme, catch net can be selected the macromolecule foaming catch net, and the air-vent aperture of this catch net is even, and can regulate the frequency response curve of microphone, plays good acoustic efficiency; Catch net can also be selected nonwoven fabrics catch net or mesh grid, and the air-vent aperture of this catch net is even, with low cost, can realize well preventing dust, waterproof, fall light environmental protection effect such as make an uproar.
In above cited embodiment, the suitable adjustment of gathering in view of the electronic circuit on the wiring board does not influence purport of the present utility model, and the electronic circuit set in the pattern only adopts simple pattern to represent.

Claims (6)

1. microphone; comprise the outer enclosure structure of forming by shell and wiring board; on described shell, be provided with the sound hole that is used to receive voice signal; described encapsulating structure inside is provided with the plane-parallel capacitor of being made up of diaphragm, pad, pole plate; described plane-parallel capacitor is electrically connected with wiring board by grating ring and the shell in the cavity; wiring board is provided with the electronic circuit set of being made up of components and parts, and it is characterized in that: described shell sound hole surface is provided with the catch net of making an uproar against sunshine.
2. microphone as claimed in claim 1 is characterized in that: in described encapsulating structure inside, described shell sound hole surface is provided with the catch net of making an uproar against sunshine.
3. microphone as claimed in claim 1 is characterized in that: in described encapsulating structure outside, described shell sound hole surface is provided with the catch net of making an uproar against sunshine.
4. microphone as claimed in claim 1 is characterized in that: described catch net is the macromolecule foaming catch net.
5. microphone as claimed in claim 1 is characterized in that: described catch net is nonwoven fabrics catch net or braiding catch net.
6. as the described microphone of the arbitrary claim of claim 1-5, it is characterized in that: the color of described catch net is black or navy blue or Dark grey or dark brown or blackish green or dark-brown or coffee color.
CN2011201734625U 2011-05-27 2011-05-27 Microphone Expired - Lifetime CN202085286U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201734625U CN202085286U (en) 2011-05-27 2011-05-27 Microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201734625U CN202085286U (en) 2011-05-27 2011-05-27 Microphone

Publications (1)

Publication Number Publication Date
CN202085286U true CN202085286U (en) 2011-12-21

Family

ID=45345900

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201734625U Expired - Lifetime CN202085286U (en) 2011-05-27 2011-05-27 Microphone

Country Status (1)

Country Link
CN (1) CN202085286U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268

Patentee after: Goertek Inc.

Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268

Patentee before: Goertek Inc.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200616

Address after: 266104 room 103, 396 Songling Road, Laoshan District, Qingdao, Shandong Province

Patentee after: Goer Microelectronics Co.,Ltd.

Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268

Patentee before: GOERTEK Inc.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20111221