CN202334834U - Microphone - Google Patents
Microphone Download PDFInfo
- Publication number
- CN202334834U CN202334834U CN201120471974XU CN201120471974U CN202334834U CN 202334834 U CN202334834 U CN 202334834U CN 201120471974X U CN201120471974X U CN 201120471974XU CN 201120471974 U CN201120471974 U CN 201120471974U CN 202334834 U CN202334834 U CN 202334834U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- wiring board
- microphone
- base plate
- electrical connector
- 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
Links
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract 2
- 238000004806 packaging method and process Methods 0.000 abstract 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
The utility model discloses a microphone which comprises a packaging structure composed of a circuit board substrate, a circuit board frame and a circuit board bottom plate, wherein the inner side of the circuit board substrate is provided with an electronic circuit assembly composed of electronic components; the circuit board bottom plate is provided with an acoustic hole, and a pad is arranged outside the circuit board bottom plate; the circuit board bottom plate in the packaging structure is provided with a capacitor component; the capacitor component, the circuit board frame and the circuit board substrate form a back cavity of the microphone; the circuit board frame is provided with an electric connection piece for electrically connecting the electric connection circuit board substrate and the circuit board bottom plate; the electric connector is arranged on the periphery of the circuit board frame, thereby reducing the thickness of the circuit board frame and increasing the volume of the back cavity of the microphone; and the pad implements electric connection with the electronic circuit assembly through the circuit board bottom plate, the electric connector and the circuit board substrate, thereby enhancing the ultimate sensibility of the product on the premise of not influencing the circuit connection.
Description
Technical field
The utility model relates to a kind of acoustic-electric conversion equipment, relates in particular to a kind of microphone.
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 increasingly high 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; A lot of novel products has also been released in microphone products field as one of strength member of above-mentioned portable electronic products, is representative with square microphone wherein, the encapsulating structure that conventional square microphone is made up of wiring board substrate, circuit board frame and wiring board base plate; The electronic circuit set of being made up of electronic devices and components is installed on the inner wiring board substrate of encapsulating structure; On the wiring board base plate, be provided with the sound hole that receives the external sound signal, the wiring board plate outer side is provided with and the extraneous pad that is electrically connected, and on the inner said wiring board base plate of encapsulating structure, is provided with the capacitance component of realization sound-electricity conversion; Said capacitance component and circuit board frame and wiring board substrate surround the back cavity that forms microphone; As shown in Figure 1, be provided with the electrical connector 10 of electrical interconnection base board and wiring board base plate in the inside of circuit board frame 2 bodies, this design is because electrical connector 10 is fixedly installed on circuit board frame 2 body interior; Increased the thickness of circuit board frame virtually; Reduce the back cavity volume of microphone, be unfavorable for very much the lifting of product limiting snesibility, need design a kind of novel microphone thus.
The utility model content
In view of the above problems, the purpose of the utility model provides a kind of a kind of microphone that can improve the product limiting snesibility.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of microphone comprises: the encapsulating structure of being made up of wiring board substrate, circuit board frame and wiring board base plate; The electronic circuit set of being made up of electronic devices and components is installed on the inner said wiring board substrate of said encapsulating structure; Said wiring board base plate is provided with the sound hole that receives the external sound signal, and said wiring board base plate outside is provided with and the extraneous pad that is electrically connected; The inner said wiring board base plate of said encapsulating structure is provided with the capacitance component of realization sound-electricity conversion; Said circuit board frame is provided with the electrical connector that is electrically connected said wiring board substrate and said wiring board base plate; Said capacitance component and circuit board frame and wiring board substrate surround the back cavity that forms microphone; Wherein, Said electrical connector is arranged on the periphery of said circuit board frame, and said pad is electrically connected with said electronic circuit set through wiring board base plate, said electrical connector, the realization of said wiring board substrate.
As a kind of optimized technical scheme, said circuit board frame outer periphery is fluted, and said electrical connector is arranged in the said groove.
As a kind of optimized technical scheme, said capacitance component is formed by fixed polar plate, vibrating diaphragm and with the pad that fixed polar plate and vibrating diaphragm are isolated, and said vibrating diaphragm is arranged near said wiring board base plate one side.
As a kind of optimized technical scheme, said fixed polar plate is realized and being electrically connected of said wiring board substrate through elastic component.
As a kind of optimized technical scheme, said electrical connector is soldering-tin layer or conducting strip or metal wire.
As a kind of optimized technical scheme, said elastic component is a spring.
As a kind of optimized technical scheme, said microphone is square microphone.
Utilize above-mentioned microphone structure according to the utility model; Owing to electrical connector is arranged on the periphery of circuit board frame; Reduced the thickness of circuit board frame, increased the back cavity volume of microphone, the pad on the wiring board base plate through wiring board base plate, electrical connector, wiring board substrate realize with said wiring board substrate on being electrically connected of gathering of electronic circuit; Do not influencing on the circuit connection basis, improving the limiting snesibility of product.
Description of drawings
Through with reference to below in conjunction with the explanation of accompanying drawing and the content of claims, and along with the more complete understanding to the utility model, other purpose of the utility model and result will understand more and reach easy to understand.In the accompanying drawings:
Fig. 1 is the vertical view of microphone circuit plate framework in the utility model background technology;
Fig. 2 is the vertical view of the utility model embodiment microphone circuit plate framework;
Fig. 3 is the generalized section of the utility model embodiment microphone.
Identical label is indicated similar or corresponding feature or function in institute's drawings attached.
Embodiment
Below will combine accompanying drawing that the specific embodiment of the utility model is described in detail.
Embodiment
Fig. 2 is the vertical view of the utility model embodiment microphone circuit plate framework; Fig. 3 is the generalized section of the utility model embodiment microphone, and like Fig. 2, shown in Figure 3, a kind of microphone comprises: the encapsulating structure of being made up of wiring board substrate 1, circuit board frame 2 and wiring board base plate 3; The electronic circuit set of being made up of electronic devices and components 4 is installed on the inner said wiring board substrate 1 of said encapsulating structure; Said wiring board base plate 3 is provided with the sound hole 31 that receives the external sound signal, and said wiring board base plate 3 outsides are provided with and the extraneous pad 5 that is electrically connected; The inner said wiring board base plate 3 of said encapsulating structure is provided with the capacitance component of realization sound-electricity conversion; Said capacitance component and circuit board frame 2 and wiring board substrate 1 surround the back cavity 12 that forms microphone; Said circuit board frame 2 is provided with the electrical connector 10 that is electrically connected said wiring board substrate 1 and said wiring board base plate 3; Wherein, said electrical connector 10 is arranged on the periphery of said circuit board frame 2, has reduced the thickness of circuit board frame 2; Increased the volume of the back cavity 12 of microphone; Said pad 5 is electrically connected with said electronic circuit set 4 through wiring board base plate 3, said electrical connector 10,1 realization of said wiring board substrate, is not influencing on the circuit connection basis, has improved the limiting snesibility of product.
As a kind of optimized technical scheme that realizes the utility model, said circuit board frame 2 outer periphery are fluted 11, and said electrical connector 10 is arranged in the said groove 11, can better protection electrical connector 10.
As a kind of optimized technical scheme that realizes the utility model; Said capacitance component is formed by fixed polar plate 7, vibrating diaphragm 6 and with the pad 8 that fixed polar plate 7 and vibrating diaphragm 6 are isolated, and said vibrating diaphragm 6 is arranged near said wiring board base plate 3 one sides.
As a kind of optimized technical scheme that realizes the utility model, said fixed polar plate 7 is realized and being electrically connected of said wiring board substrate 1 through elastic component 9.
As a kind of optimized technical scheme that realizes the utility model, said electrical connector 10 is soldering-tin layer or conducting strip or metal wire, and simplicity of design is convenient to one-body molded.
As a kind of optimized technical scheme that realizes the utility model, said elastic component 9 is a spring.
As a kind of optimized technical scheme that realizes the utility model, said microphone is square microphone, is convenient to and the domestic client terminal setting that is complementary.
Utilize above-mentioned microphone structure according to the utility model; Owing to electrical connector is arranged on the periphery of circuit board frame; Reduced the thickness of circuit board frame, increased the back cavity volume of microphone, the pad on the wiring board base plate through wiring board base plate, electrical connector, wiring board substrate realize with said wiring board substrate on being electrically connected of gathering of electronic circuit; Do not influencing on the circuit connection basis, improving the limiting snesibility of product.
Above embodiment is only in order to explain the utility model; Be not to be used to limit the utility model; Said those skilled in the art should be understood that; Any modification of being made within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included in the protection range of the utility model.
Claims (7)
1. microphone comprises:
The encapsulating structure of forming by wiring board substrate, circuit board frame and wiring board base plate;
The electronic circuit set of being made up of electronic devices and components is installed on the inner said wiring board substrate of said encapsulating structure;
Said wiring board base plate is provided with the sound hole that receives the external sound signal, and said wiring board base plate outside is provided with and the extraneous pad that is electrically connected;
The inner said wiring board base plate of said encapsulating structure is provided with the capacitance component of realization sound-electricity conversion;
Said circuit board frame is provided with the electrical connector that is electrically connected said wiring board substrate and said wiring board base plate;
Said capacitance component and circuit board frame and wiring board substrate surround the back cavity that forms microphone;
It is characterized in that: said electrical connector is arranged on the periphery of said circuit board frame, and said pad is electrically connected with said electronic circuit set through wiring board base plate, said electrical connector, the realization of said wiring board substrate.
2. microphone as claimed in claim 1 is characterized in that: said circuit board frame outer periphery is fluted, and said electrical connector is arranged in the said groove.
3. microphone as claimed in claim 1 is characterized in that: said capacitance component is formed by fixed polar plate, vibrating diaphragm and with the pad that fixed polar plate and vibrating diaphragm are isolated, and said vibrating diaphragm is arranged near said wiring board base plate one side.
4. microphone as claimed in claim 1 is characterized in that: said fixed polar plate is realized and being electrically connected of said wiring board substrate through elastic component.
5. microphone as claimed in claim 1 is characterized in that: said electrical connector is soldering-tin layer or conducting strip or metal wire.
6. microphone as claimed in claim 4 is characterized in that: said elastic component is a spring.
7. like the described microphone of the arbitrary claim of claim 1-6, it is characterized in that: said microphone is square microphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120471974XU CN202334834U (en) | 2011-11-24 | 2011-11-24 | Microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120471974XU CN202334834U (en) | 2011-11-24 | 2011-11-24 | Microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202334834U true CN202334834U (en) | 2012-07-11 |
Family
ID=46446796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120471974XU Expired - Lifetime CN202334834U (en) | 2011-11-24 | 2011-11-24 | Microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202334834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031497A1 (en) * | 2019-08-22 | 2021-02-25 | 歌尔微电子有限公司 | Vibration sensing device |
-
2011
- 2011-11-24 CN CN201120471974XU patent/CN202334834U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031497A1 (en) * | 2019-08-22 | 2021-02-25 | 歌尔微电子有限公司 | Vibration sensing device |
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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 |
Effective date of registration: 20200615 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. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |