CN205491149U - On -vehicle silicon microphone - Google Patents
On -vehicle silicon microphone Download PDFInfo
- Publication number
- CN205491149U CN205491149U CN201620030859.1U CN201620030859U CN205491149U CN 205491149 U CN205491149 U CN 205491149U CN 201620030859 U CN201620030859 U CN 201620030859U CN 205491149 U CN205491149 U CN 205491149U
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- CN
- China
- Prior art keywords
- microphone
- mems
- vehicle
- silicon microphone
- mike
- 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 - Fee Related
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The utility model provides an on -vehicle silicon microphone, including microphone lid, PCB subassembly, microphone case, rubber sleeve is established to the PCB unit mount on the PCB subassembly in the cavity that the microphone lid formed with microphone case, be equipped with the dust screen on the rubber sleeve. The utility model discloses both overcome the risk that the electret microphone used back desensitization for a long time, and also avoided current silicon microphone dust screen to paste the difficulty and easily produce the clearance after the assembly that leads to, and influence the problem of speech quality, and increased microphone lid, MEMS silicon microphone electron device etc. Inside can more effective protection to whole microphone is an operatic tunes hole only, and the dust screen can't see to the externally, and is whole also than current silicon microphone elegant appearance more.
Description
Technical field
This utility model relates to car handsfree verbal system technical field, is specifically related to a kind of vehicle-mounted silicon microphone.
Background technology
Along with progress and the reach of science of society, handsfree car mike has been applied in automobile.Hands-free car
Carrying microphone system to be made up of bluetooth module, vehicle audio and car microphone, vehicle handfree microphone can be real
The wireless communication function of existing driver, can realize hand-free call, Ke Yiti by hands-free microphone under steam
High driver safety in motion, the both hands of liberation driver, make driver be absorbed in driving vehicle, existing
Car microphone commercially has multiple.
The utility model patent of Publication No. CN2854991, which discloses a kind of vehicle handfree microphone,
This mike uses electret mode, but electret microphone can make sensitivity decrease after a long time use.
The utility model patent of notification number CN203968375U, which discloses a kind of vehicle-mounted silicon microphone
Assembly, for silicon microphone, including microphone casing body, electro-acoustic transducing device, dust-proof mesh enclosure, circuit board and line
Bundle, microphone casing body is cavity structure, and dust-proof mesh enclosure wraps microphone casing body, electro-acoustic transducing device and circuit
Panel assembly is in microphone case body, and electro-acoustic transducing device is MEMS silicon microphone electronic device, MEMS silicon
Microphone electronics is connected with circuit board.Although what this utility model provided vehicle-mounted silicon microphone avoids
Electret microphone can reduce the defect of sensitivity after a long time use, but outside Air Filter is wrapped in
Face, assembly difficulty is big, and internal component is easily subject to damage, and affects service life and the call of mike
Quality.
Utility model content
Utility model purpose: for the defect of above-mentioned prior art, of the present utility model aim to provide a kind of vehicle-mounted
Silicon microphone.
Technical scheme: a kind of vehicle-mounted silicon microphone, including Mike's windshield, PCB assembly, microphone casing body,
PCB assembly is arranged in the cavity of Mike's windshield and microphone casing body formation, and PCB assembly is provided with rubber sleeve,
Rubber sleeve is provided with Air Filter.
Further, PCB assembly includes pcb board and the MEMS silicon microphone being connected on pcb board
Electronic device, rubber sleeve covers on MEMS silicon microphone electronic device.
Further, mike lid has operatic tunes hole, operatic tunes hole and MEMS silicon microphone electronic device phase
Even.
Further, Air Filter is pasted onto mike interior surface, and corresponding with operatic tunes hole site.
Further, rubber sleeve is fitted with Air Filter interference.
Further, Mike's windshield removably connects with microphone casing body.
Further, Mike's windshield and microphone casing body pass through snap-fitted.
Further, the connection of PCB assembly has shielding line, shielding line to pass microphone casing body and connection has grafting
Part.
Further, MEMS silicon microphone electronic device includes MEMS tiny current and MEMS
Micro-integrated converting circuit, MEMS tiny current integrated converting circuit micro-with MEMS is connected；Pcb board
On be welded with filtering and eliminating noise circuit and potentiometer regulation circuit；Filtering and eliminating noise circuit, potentiometer regulation circuit and
MEMS silicon microphone electronic device is connected two-by-two.
Beneficial effect: compared with prior art, this utility model had both overcome electret microphone and had used for a long time
The risk of rear sensitivity decrease, it also avoid existing silicon microphone Air Filter paste difficulty and after the assembling that causes
It is easily generated gap and the problem affecting speech quality；And add Mike's windshield, it is possible to more effectively protect
Internal MEMS silicon microphone electronic device etc., and whole mike only one of which operatic tunes hole, externally
Less than Air Filter, entirety is also more elegant in appearance than existing silicon microphone.
Accompanying drawing explanation
Fig. 1 is scheme of installation of the present utility model；
Fig. 2 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the technical solution of the utility model is illustrated by a specific embodiment.
As it is shown in figure 1, a kind of vehicle-mounted silicon microphone, including Mike's windshield 1, Air Filter 2, rubber sleeve 3,
PCB assembly 4, shielding line 5, microphone casing body 6 and plug connector 7.
Mike's windshield 1 and microphone casing body 6 are by snap-fitted, the Mike's windshield 1 after assembling and microphone case
Body 6 forms a cavity, and PCB assembly 4 is arranged on the cavity that Mike's windshield 1 is formed with microphone casing body 6
In, PCB assembly 4 includes pcb board 42 and the MEMS silicon microphone electricity being connected on pcb board 42
Sub-device 41, PCB assembly 4 is provided with rubber sleeve 3, and rubber sleeve 3 covers at MEMS silicon microphone electronics
On device 41, rubber sleeve 3 is provided with Air Filter 2, and rubber sleeve 3 is fitted with Air Filter 2 interference, rubber sleeve 3
It is packaged in cavity with PCB assembly 4.
Having operatic tunes hole 11 on mike lid, operatic tunes hole 11 is connected with MEMS silicon microphone electronic device 41,
For conducting external sound；External sound signal is transferred to MEMS silicon microphone electronic device by operatic tunes hole 11
41, and by MEMS silicon microphone electronic device 41, acoustical signal is converted to the signal of telecommunication.
Air Filter 2 is pasted onto Mike's windshield 1 inner surface, and corresponding with position, operatic tunes hole 11.
MEMS silicon microphone electronic device 41 includes MEMS tiny current and micro-integrated turn of MEMS
Changing circuit, MEMS tiny current integrated converting circuit micro-with MEMS is connected；Weld on pcb board 42
There are filtering and eliminating noise circuit and potentiometer regulation circuit；Filtering and eliminating noise circuit, potentiometer regulation circuit and MEMS
Silicon microphone electronic device 41 is connected two-by-two.MEMS tiny current includes silicon vibrating diaphragm device and silicon backplane
Device, silicon vibrating diaphragm device and silicon backplane device receive sound and by the audio signal transmission that receives to MEMS
Micro-integrated converting circuit, the audio frequency letter that MEMS tiny current is transmitted by the micro-integrated converting circuit of MEMS
Number conversion and amplify.The micro-integrated converting circuit of MEMS is connected with filtering and eliminating noise circuit, and MEMS is micro-integrated
Change-over circuit by conversion the audio signal transmission amplified to filtering and eliminating noise circuit so that after filtering except the electricity made an uproar
Signal matches with vehicle power circuit.
On pcb board 42, returning apparatus has adjustable resistance, is regulated the output voltage of mike by adjustable resistance.
Pcb board 42 has substrate, pad and outfan, as in figure 2 it is shown, PCB assembly 4 is welded with shielding line
5, shielding line 5 passes microphone casing body 6 and connection has plug connector 7, one end connecting PCB board of shielding line 5
The outfan of 42, the other end connects plug connector, and plug connector 7 is connected with overall wire sheaves.
Vehicle-mounted silicon microphone simple in construction that this utility model provides, being easily assembled, stability is high, can be installed on
On steering wheel, instrumental panel, inside rear-view mirror or seat in car, and can be with on-vehicle acoustic apparatus or on-vehicle Bluetooth
Equipment connects and composes vehicle mounted multimedia application system.
Although above specification describes particular implementation of the present utility model, aspect and application, it should be understood that
For, this utility model is not limited to precise structure disclosed herein and part composition, various obvious amendments, change
And change, without departing from spirit and scope of the present utility model defined in the appended claims, all Ying Quan
In profit claimed range.
Claims (9)
1. a vehicle-mounted silicon microphone, it is characterised in that include Mike's windshield (1), PCB assembly (4),
Microphone casing body (6), PCB assembly (4) is arranged on Mike's windshield (1) and is formed with microphone casing body (6)
Cavity in, PCB assembly (4) is provided with rubber sleeve (3), and rubber sleeve (3) is provided with Air Filter (2).
Vehicle-mounted silicon microphone the most according to claim 1, it is characterised in that described PCB assembly (4)
Including pcb board (42) and the MEMS silicon microphone electronic device (41) that is connected on pcb board (42),
Described rubber sleeve (3) covers on MEMS silicon microphone electronic device (41).
Vehicle-mounted silicon microphone the most according to claim 2, it is characterised in that described Mike's windshield (1)
On have operatic tunes hole (11), operatic tunes hole (11) are connected with MEMS silicon microphone electronic device (41).
Vehicle-mounted silicon microphone the most according to claim 3, it is characterised in that described Air Filter (2) glues
It is attached to Mike's windshield (1) inner surface, and corresponding with operatic tunes hole (11) position.
Vehicle-mounted silicon microphone the most according to claim 1, it is characterised in that described rubber sleeve (3) with
Air Filter (2) interference is fitted.
Vehicle-mounted silicon microphone the most according to claim 1, it is characterised in that described Mike's windshield (1)
Removably connect with microphone casing body (6).
Vehicle-mounted silicon microphone the most according to claim 6, it is characterised in that described Mike's windshield (1)
Snap-fitted is passed through with microphone casing body (6).
Vehicle-mounted silicon microphone the most according to claim 1, it is characterised in that described PCB assembly (4)
Connection has shielding line (5), shielding line (5) to pass microphone casing body (6) and connection has plug connector (7).
Vehicle-mounted silicon microphone the most according to claim 2, it is characterised in that described MEMS silicon Mike
Wind electronic device (41) includes MEMS tiny current and the micro-integrated converting circuit of MEMS, MEMS
Tiny current integrated converting circuit micro-with MEMS is connected；It is welded with filtering on described pcb board (42) to remove
Noise cancellation circuit and potentiometer regulation circuit；Filtering and eliminating noise circuit, potentiometer regulation circuit and MEMS silicon Mike
Wind electronic device (41) is connected two-by-two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620030859.1U CN205491149U (en) | 2016-01-11 | 2016-01-11 | On -vehicle silicon microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620030859.1U CN205491149U (en) | 2016-01-11 | 2016-01-11 | On -vehicle silicon microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205491149U true CN205491149U (en) | 2016-08-17 |
Family
ID=56668282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620030859.1U Expired - Fee Related CN205491149U (en) | 2016-01-11 | 2016-01-11 | On -vehicle silicon microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205491149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108513193A (en) * | 2018-04-17 | 2018-09-07 | 四川斐讯信息技术有限公司 | A kind of structural assembly and speaker based on microphone |
-
2016
- 2016-01-11 CN CN201620030859.1U patent/CN205491149U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108513193A (en) * | 2018-04-17 | 2018-09-07 | 四川斐讯信息技术有限公司 | A kind of structural assembly and speaker based on microphone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161230 Address after: Wan Chun road 241000 Anhui city of Wuhu province Jiujiang district (Jiujiang Electronic Industrial Park) B Patentee after: Sun Xiaozhu Address before: Wan Chun road 241000 Anhui city of Wuhu province Wuhu City Jiujiang Development Zone (Jiujiang Electronic Industrial Park) B Patentee before: Sea vapour electronic technology Wuhu limited company |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20180828 Address after: 241000 B, Wan Chun Zhong Road (Jiujiang Electronic Industrial Park), Jiujiang District, Wuhu, Anhui. Patentee after: Anhui yingzhijie Auto Technology Co. Ltd. Address before: 241000 B, Wan Chun Zhong Road (Jiujiang Electronic Industrial Park), Jiujiang District, Wuhu, Anhui. Patentee before: Sun Xiaozhu |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20200111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |