CN201690595U - Microphone - Google Patents
Microphone Download PDFInfo
- Publication number
- CN201690595U CN201690595U CN201020203048XU CN201020203048U CN201690595U CN 201690595 U CN201690595 U CN 201690595U CN 201020203048X U CN201020203048X U CN 201020203048XU CN 201020203048 U CN201020203048 U CN 201020203048U CN 201690595 U CN201690595 U CN 201690595U
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- Prior art keywords
- chip module
- microphone
- receiving space
- circuit board
- printed circuit
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- Expired - Lifetime
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- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
The utility model provides a microphone, which comprises a printed circuit board and a body. The body comprises a frame, a cover plate and a chip module, the chip module includes a first chip module and a second chip module, the cover plate is arranged on the frame in a covering manner, the printed circuit board is provided with a first vocal input hole, the cover plate is provided with a second vocal input hole, the frame is provided with a first containing space and a second containing space which are mutually independent, the first chip module is contained in the first space and forms an independent and closed first vocal cavity together with the first vocal input hole, and the second chip module is contained in the second space and forms an independent and closed second vocal cavity together with the second vocal input hole. The microphone has a plurality of vocal input modes and is convenient to use.
Description
Technical field
The utility model relates to a kind of microphone, relates in particular to a kind of MEMS (micro electro mechanical system) (micro electromechanical system, microphone MEMS).
Background technology
Microphone is widely used in the present life, and is such as in Karaoke, large-scale activity place etc., except the requirement of sound performance, also more and more higher to the appearance requirement of microphone.
A kind of microphone of MEMS (micro electro mechanical system) generally includes and comprises printed circuit board (PCB), micro electronmechanical module and main body.This micro electronmechanical module comprises application-specific integrated circuit (ASIC) and mems chip.
Generally, a micro electronmechanical module is only established in the microphone inside of MEMS (micro electro mechanical system), and correspondence is only established single sound hole.That is to say that the microphone of this design can only realize being advanced by its front or the back side a kind of application mode of sound.
Yet, along with the microphone of MEMS (micro electro mechanical system) by more and more widely the mobile phone that is applied to, only can single face advance the microphone of sound and can not meet customer need.
The utility model content
Can only single face advance the problem of sound at existing microphone, the utility model provides a kind of two-way microphone that advances mode of realizing.
A kind of microphone, described microphone comprises printed circuit board (PCB) and main body, described main body comprises framework, cover plate and chip module, described chip module comprises the first chip module and the second chip module, described cover plate is covered on described framework, described printed circuit board (PCB) is provided with first sound hole, described cover plate is provided with second sound hole, described framework is provided with the first separate receiving space and second receiving space, the described first chip module is contained in first space and forms first operatic tunes of independent closed with described first sound hole, and the described second chip module is contained in second space and forms second operatic tunes of independent closed with described second sound hole.
As the further improvement of above-mentioned microphone, described printed circuit board (PCB) comprises first electronic component and second electronic component, and described first electronic component is communicated with the described first chip module, and described second electronic component is communicated with the described second chip module.
As the further improvement of above-mentioned microphone, described framework is provided with dividing plate, and described dividing plate is divided into described first receiving space and described second receiving space with described framework.
As the further improvement of above-mentioned microphone, described main body further comprises base plate, and described chip module is attached at described base plate.
As the further improvement of above-mentioned microphone, corresponding described first receiving space in described bottom is provided with through hole, and described through hole is communicated with described first sound hole.
As the further improvement of above-mentioned microphone, described main body further comprises substrate, and described substrate is fixed in described printed circuit board (PCB).
As the further improvement of above-mentioned microphone, corresponding described first receiving space of described substrate is provided with sound channel.
As the further improvement of above-mentioned microphone, the described first chip module comprises application-specific integrated circuit (ASIC) and mems chip, and described application-specific integrated circuit (ASIC) and described mems chip all are arranged at described base plate.
The described microphone of present embodiment, described printed circuit board (PCB) are established described first sound hole, and described cover plate is established described second sound hole, so described microphone can be realized the two-way sound that advances.Further, described first chip module and the described second chip module work alone separately, make described microphone easy to use.
In sum, described microphone have the mode of can be multiple advancing, advantage.
Description of drawings
Fig. 1 is the structural representation of the utility model microphone one better embodiment.
Fig. 2 is the structural representation of microphone shown in Figure 1 along other direction.
Fig. 3 is the decomposing schematic representation of microphone shown in Figure 1.
Fig. 4 is the decomposing schematic representation of microphone shown in Figure 2.
Embodiment
Below in conjunction with accompanying drawing microphone of the present utility model is described.
See also Fig. 1 to Fig. 4, Fig. 1 is the structural representation of the utility model microphone one better embodiment, Fig. 2 is the structural representation of microphone shown in Figure 1 along other direction, and Fig. 3 is the decomposing schematic representation of microphone shown in Figure 1, and Fig. 4 is the decomposing schematic representation of microphone shown in Figure 2.
Described microphone 1 comprises printed circuit board (PCB) 10 and main body 20.Described main body 20 is fixed in described printed circuit board (PCB) 10 top surfaces.
Four jiaos of places of described printed circuit board (PCB) 10 basal surfaces are provided with first electronic component 12 and second electronic component 14 respectively.In the present embodiment, described first electronic component 12 comprises a pair of first pin (PIN pin), and described second electronic component 14 comprises a pair of second pin, and described printed circuit board (PCB) 10 centre are provided with circular first sound hole 16.
Described main body 20 comprises substrate 22, base plate 24, framework 26, cover plate 27 and chip module 28.Described substrate 22 is welded in described printed circuit board (PCB) 10 top surfaces, described base plate 24 is attached at described substrate 22, described framework 26 is fixed in described base plate 24, and described chip module 28 is contained in the described framework 26 and is fixed in described base plate 24, and described cover plate 27 lids are established described framework 26.Described framework 26 is located between described cover plate 27 and the described base plate 24.
Described substrate 22 is rectangular, and the centre is provided with sound channel 220, so that can pass described substrate 222 by described sound channel 220 through the voice signal of first sound hole 16 of described printed circuit board (PCB) 10
Described base plate 24 is rectangular, and its size is corresponding with described substrate 22, and described base plate 24 close corners are provided with manhole 240.
Described framework 26 is hollow cube and big or small and described base plate 24 is corresponding, is provided with dividing plate 260 in the middle of the described framework 26, and described dividing plate 260 is divided into first receiving space 262 and second receiving space 264 with described framework 26 inside.The through hole 240 of described first receiving space, 262 corresponding described base plates 24 and first electronic component 12 of described printed circuit board (PCB) 10.Second electronic component 14 of described second receiving space, 264 corresponding described printed circuit board (PCB)s 10.
Described cover plate 27 is rectangular, and its size is corresponding with described framework 26, and it is provided with second sound hole 270, described second receiving space 264 settings of described second sound hole, 270 corresponding described frameworks 26.
Described chip module 28 comprises the first chip module 282 and the second chip module 284, and the described first chip module 282 comprises application-specific integrated circuit (ASIC) 2820 and mems chip 2822.The structure of the described second chip module 284 is identical with the described first chip module 282.The described first chip module 282 is contained in described first receiving space 262, and the described second chip module 284 is contained in described second receiving space 264.
Because through hole 240 corresponding described first receiving spaces 262 of described base plate 24, so that described first sound hole 16 connects with described first receiving space 262.So described cover plate 27, described first receiving space 262, described base plate 24 and described printed circuit board (PCB) 10 be common to form airtight, first operatic tunes independently, voice signal can enter this first operatic tunes by first sound hole 16 of described printed circuit board (PCB) 10.
Because described second sound hole, 270 corresponding described second receiving spaces 264, described second sound hole 270 and second receiving space 264 are connected, described cover plate 27, described second receiving space 264 and described base plate 24 be common to form airtight, second operatic tunes independently, and voice signal can enter this second operatic tunes by second sound hole 270 of described cover plate 27.And this second operatic tunes and this each self-forming of first operatic tunes be confined space independently, does not disturb mutually.
When microphone 1 of the present utility model is worked, when voice signal by the back side of described microphone 1 promptly when described first sound hole 16 of described printed circuit board (PCB) 10 enters described first operatic tunes, be positioned at the described first chip module 282 and described first electronic component, 12 electric connections of described first receiving space 262 and form the complete loops system, finish that voice signal is converted into the signal of telecommunication; When voice signal by the front of described microphone 1 promptly when described second sound hole 270 of described cover plate 27 enters described second operatic tunes, be positioned at the described second chip module 284 and described second electronic component, 14 electric connections of described second receiving space 264 and form the complete loops system, finish that voice signal is converted into the signal of telecommunication.
To sum up, described microphone 1 of the present utility model makes described microphone 1 can realize simultaneously that sound is advanced in the front and two kinds of different application modes are advanced at the back side owing to positively be respectively equipped with described first sound hole 16 and described second sound hole 270 with the back side at it.And, because the described first chip module 282 is separately positioned in this first receiving space 262 and this second receiving space 264 with the described second chip module 284, work alone respectively, can satisfy simultaneously that sound is advanced in the front and sound is advanced at the back side.Therefore, the client uses described microphone 1 to help realizing the diversity of application mode when carrying out mobile phones design.
To sum up, described microphone 1 has the mode of can be multiple advancing, easy-to-use advantage.
Only be preferred case study on implementation of the present utility model below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (8)
1. microphone, comprise printed circuit board (PCB) and main body, described main body comprises framework, cover plate and chip module, described chip module comprises the first chip module and the second chip module, described cover plate is covered on described framework, it is characterized in that: described printed circuit board (PCB) is provided with first sound hole, described cover plate is provided with second sound hole, described framework is provided with the first separate receiving space and second receiving space, the described first chip module is contained in first space and forms first operatic tunes of independent closed with described first sound hole, and the described second chip module is contained in second space and forms second operatic tunes of independent closed with described second sound hole.
2. microphone according to claim 1, it is characterized in that: described printed circuit board (PCB) comprises first electronic component and second electronic component, described first electronic component is communicated with the described first chip module, and described second electronic component is communicated with the described second chip module.
3. microphone according to claim 1 is characterized in that: described framework is provided with dividing plate, and described dividing plate is divided into described first receiving space and described second receiving space with described framework.
4. microphone according to claim 3 is characterized in that: described main body further comprises base plate, and described chip module is attached at described base plate.
5. microphone according to claim 4 is characterized in that: corresponding described first receiving space in described bottom is provided with through hole, and described through hole is communicated with described first sound hole.
6. microphone according to claim 5 is characterized in that: described main body further comprises substrate, and described substrate is fixed in described printed circuit board (PCB).
7. microphone according to claim 6 is characterized in that: corresponding described first receiving space of described substrate is provided with sound channel.
8. microphone according to claim 7 is characterized in that: described chip module comprises application-specific integrated circuit (ASIC) and mems chip, and described application-specific integrated circuit (ASIC) and described mems chip all are arranged at described base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020203048XU CN201690595U (en) | 2010-05-25 | 2010-05-25 | Microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020203048XU CN201690595U (en) | 2010-05-25 | 2010-05-25 | Microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201690595U true CN201690595U (en) | 2010-12-29 |
Family
ID=43378871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020203048XU Expired - Lifetime CN201690595U (en) | 2010-05-25 | 2010-05-25 | Microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201690595U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821972A (en) * | 2015-04-24 | 2015-08-05 | 广东欧珀移动通信有限公司 | Internal space-optimized mobile phone |
| CN109348323A (en) * | 2018-09-21 | 2019-02-15 | 努比亚技术有限公司 | A kind of microphone structure |
| CN112565974A (en) * | 2020-11-30 | 2021-03-26 | 神思电子技术股份有限公司 | Method for solving bidirectional separation pickup |
-
2010
- 2010-05-25 CN CN201020203048XU patent/CN201690595U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821972A (en) * | 2015-04-24 | 2015-08-05 | 广东欧珀移动通信有限公司 | Internal space-optimized mobile phone |
| CN104821972B (en) * | 2015-04-24 | 2017-09-15 | 广东欧珀移动通信有限公司 | A kind of mobile phone of optimization inner space |
| CN109348323A (en) * | 2018-09-21 | 2019-02-15 | 努比亚技术有限公司 | A kind of microphone structure |
| CN112565974A (en) * | 2020-11-30 | 2021-03-26 | 神思电子技术股份有限公司 | Method for solving bidirectional separation pickup |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101229 |
|
| CX01 | Expiry of patent term |