CN102905204A - Unidirectional microphone absorbing sound unidirectionally and sound receiving device - Google Patents
Unidirectional microphone absorbing sound unidirectionally and sound receiving device Download PDFInfo
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- CN102905204A CN102905204A CN2012104432062A CN201210443206A CN102905204A CN 102905204 A CN102905204 A CN 102905204A CN 2012104432062 A CN2012104432062 A CN 2012104432062A CN 201210443206 A CN201210443206 A CN 201210443206A CN 102905204 A CN102905204 A CN 102905204A
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- 239000000178 monomer Substances 0.000 claims description 24
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 abstract 1
- 239000012467 final product Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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Abstract
The invention provides a unidirectional microphone absorbing sound unidirectionally and a sound receiving device. The unidirectional microphone comprises a microphone body, a microphone shell and a filling element, wherein the microphone body is fixedly arranged in the microphone shell by virtue of the filling element, a main sound hole and a side sound hole are arranged at the bottom of the microphone shell; the filling element comprises a side sound absorbing cavity and a connecting cavity; the microphone body comprises a shell sound hole and a PCB (printed circuit board) open hole; the main sound hole is communicated with the shell sound hole of the microphone body; and the side sound hole is communicated with the PCB open hole of the microphone body by virtue of the side sound absorbing cavity and the connecting cavity. According to the unidirectional microphone absorbing sound unidirectionally provided by the invention, a sound signal can respectively enter into the shell sound hole and the PCB open hole of the MIC body by virtue of the main sound hole and the side sound hole which are arranged in the same direction, and the complete machine is required to be provided with the sound absorbing hole in one direction only, so that the problems that the existing equipment is complex in structure and is larger in size are solved.
Description
Technical field
The present invention relates to the microphone techniques field, particularly relate to a kind of unidirectional omnidirectional microphone of advancing sound and a kind of unidirectional mixer that is subjected to that advances sound.
Background technology
Microphone is called again microphone, is a part of electroacoustics system, is a kind of senser element that voice signal is converted to the signal of telecommunication.Omnidirectional microphone (MIC) has directivity, if the sound hole of MIC is 0 ° during over against sound source, sensitivity is the highest in the time of 0 ° so, sensitivity is minimum in the time of 180 °, the structure of unidirectional MIC is different from the MIC of omnidirectional, and it is to have some holes on printed circuit board (PCB) (PCB, Printed Circuit Board), sound enters from 0 ° shell sound hole and 180 ° PCB perforate respectively, as shown in Figure 1.
The design feature of existing unidirectional MIC has determined to comprise that the mixer casing that is subjected to of omnidirectional microphone needs also that corresponding design is two-way advances the sound passage or cooperate gum cover, so that complete machine structure complexity and size are also larger accordingly.
Summary of the invention
Technical problem to be solved by this invention provides a kind ofly unidirectionally to be advanced the omnidirectional microphone of sound and is subjected to mixer, can solve that existing omnidirectional microphone equipment complete machine structure is complicated, larger-size problem.
In order to address the above problem, the invention discloses a kind of unidirectional omnidirectional microphone of advancing sound, comprise microphone monomer, microphone case and filling member, wherein: described microphone monomer is fixedly mounted in the described microphone case by described filling member; The bottom of described microphone case is provided with keynote hole and sidetone hole; Described filling member comprises that side advances sound chamber and connection chamber; Described microphone monomer comprises shell sound hole and PCB perforate; Described keynote hole is connected with the shell sound hole of described microphone monomer; Described sidetone hole by side enter the sound chamber, connection chamber is connected with the PCB perforate of described microphone monomer.
Preferably, to enter sound chamber and described microphone case bottom surface be acute angle near the angle of microphone monomer one side to described side.
Preferably, described filling member is provided with alignment pin, and the correspondence position of described microphone case is provided with location hole, and described filling member is fixedly mounted in the microphone case by alignment pin and location hole.
Preferably, also include the master in the described filling member and enter the sound chamber; Described keynote hole is entered the sound chamber by described master and is connected with the shell sound hole of microphone monomer.
Preferably, described keynote hole is 1 macropore or a plurality of aperture; Described sidetone hole is 1 macropore or a plurality of aperture.
According to another preferred embodiment of the present invention, a kind of unidirectional mixer that is subjected to that advances sound is disclosed, comprise above-mentioned unidirectional omnidirectional microphone and the casing that advances sound, described casing is provided with the groove that described omnidirectional microphone is installed, and the keynote hole of the corresponding described omnidirectional microphone in the bottom of described groove and the position in sidetone hole are respectively arranged with the casing sound inlet.
Preferably, described device also comprises with the casing of described device and cooperating, and described omnidirectional microphone is fixed on microphone fixed cell in the described groove.
Preferably, the casing sound inlet of the position setting in the corresponding described omnidirectional microphone keynote in the bottom of described groove hole is 1 macropore or a plurality of aperture.
Preferably, the casing sound inlet of the position setting in the corresponding described omnidirectional microphone sidetone in the bottom of described groove hole is 1 macropore or a plurality of aperture.
Preferably, described device is mobile phone or landline telephone.
Compared with prior art, the present invention has the following advantages:
In the disclosed unidirectional omnidirectional microphone structure of advancing sound of the preferred embodiment of the present invention, keynote hole and sidetone hole all are arranged on the bottom of omnidirectional microphone shell, voice signal can enter respectively shell sound hole and the PCB perforate of MIC monomer by keynote hole and sidetone hole, sidetone chamber, whole set equipment only needs in a direction sound inlet to be set and gets final product, and has solved existing omnidirectional microphone and need to receive whole set equipment complex structure, the larger-size problem that voice signal causes from 0 ° of direction relative with 180 ° two.
Description of drawings
Fig. 1 is the structural representation of existing omnidirectional microphone;
Fig. 2 is the unidirectional structure chart that advances omnidirectional microphone one embodiment of sound of the present invention;
Fig. 3 is the unidirectional partial structurtes schematic diagram that is subjected to mixer one embodiment that advances sound of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
With reference to Fig. 2, show the unidirectional structural representation that advances omnidirectional microphone one embodiment of sound of the present invention, comprising: microphone monomer 23, microphone case 21, filling member 22, pcb board 24 and stitch 25, wherein:
Stitch 25 is fixed on motherboard to described microphone, gives described microphone power and outgoing signal by stitch 25 simultaneously.
In this preferred embodiment,
The bottom of microphone case 21 is provided with keynote hole 211 and sidetone hole 212;
Filling member 22 adopts working of plasticss to make, be provided with in the filling member 22 mainly enter sound chamber 221, side is advanced sound chamber 222 and connection chamber 223;
Above-mentioned keynote hole 211 is entered sound chamber 221 by the master who arranges in the filling member 22 and is connected with the shell sound hole 231 of microphone monomer 23; Sidetone hole 212 enters sound chamber 222 by the side that arranges in the filling member 22 and connection chamber 223 is connected with the PCB perforate 232 of microphone monomer 23.
For guaranteeing that side advances the acoustic effect in sound chamber 222, the bottom surface that side is advanced sound chamber 222 and microphone case 21 is acute angle near the angle of microphone monomer 23 1 sides; Connection chamber 223 and PCB perforate 232 advance the sound perpendicular direction.
In addition, keynote hole 211, sidetone hole 212 are 1 macropore or a plurality of aperture.
With reference to Fig. 3, show the unidirectional partial structurtes schematic diagram that is subjected to mixer one embodiment that advances sound of the present invention, comprise unidirectional omnidirectional microphone, the apparatus housing 31 of advancing sound, be arranged on groove 32 and microphone fixed cell 33 on the casing 31, wherein:
The unidirectional omnidirectional microphone of advancing sound comprises microphone monomer 23, microphone case 21, filling member 22, pcb board 24 and stitch 25, and the bottom of microphone case 21 is provided with keynote hole 211 and sidetone hole 212;
Microphone fixed cell 33 cooperatively interacts with the groove 32 that is arranged on the casing 31, and the unidirectional omnidirectional microphone of advancing sound is fixed in the casing 31.
In this preferred embodiment, the keynote hole 211 of the corresponding omnidirectional microphone in the bottom of groove 32 and the position in sidetone hole 212 are respectively arranged with casing sound inlet 311 and casing sound inlet 312.
This preferred embodiment equipment can include for mobile phone, landline telephone etc. the receiver unit of omnidirectional microphone, be the aesthetic property (the casing sound inlet can not be too large) of taking into account equipment and the sensitivity (the casing sound inlet can not be too little) of MIC, generally between 0.8 ~ 1mm, shape adopts the horn-like of extroversion to the diameter of the casing sound inlet (perforate) of receiver unit.
Need to prove, said apparatus embodiment belongs to preferred embodiment, and related unit and module might not be that the present invention is necessary.As, when microphone monomer 23 was directly installed on the bottom of microphone case 22, the master of filling member 22 entered sound chamber 221 and can omit, and directly shell sound hole 231 was aimed at main sound inlet 211 and got final product.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
Above to a kind of unidirectional omnidirectional microphone of advancing sound provided by the present invention, and, a kind of unidirectional mixer that is subjected to that advances sound is described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a unidirectional omnidirectional microphone of advancing sound is characterized in that, comprises microphone monomer, microphone case and filling member, wherein:
Described microphone monomer is fixedly mounted in the described microphone case by described filling member;
The bottom of described microphone case is provided with keynote hole and sidetone hole; Described filling member comprises that side advances sound chamber and connection chamber; Described microphone monomer comprises shell sound hole and PCB perforate;
Described keynote hole is connected with the shell sound hole of described microphone monomer; Described sidetone hole by side enter the sound chamber, connection chamber is connected with the PCB perforate of described microphone monomer.
2. omnidirectional microphone as claimed in claim 1 is characterized in that, the angle that described side is advanced close microphone monomer one side in sound chamber and described microphone case bottom surface is acute angle.
3. omnidirectional microphone as claimed in claim 1 is characterized in that, described filling member is provided with alignment pin, and the correspondence position of described microphone case is provided with location hole, and described filling member is fixedly mounted in the microphone case by alignment pin and location hole.
4. omnidirectional microphone as claimed in claim 1 is characterized in that, also includes the master in the described filling member and enters the sound chamber; Described keynote hole is entered the sound chamber by described master and is connected with the shell sound hole of microphone monomer.
5. omnidirectional microphone as claimed in claim 1 is characterized in that, described keynote hole is 1 macropore or a plurality of aperture; Described sidetone hole is 1 macropore or a plurality of aperture.
6. unidirectional mixer that is subjected to that advances sound, it is characterized in that, comprise described unidirectional omnidirectional microphone and the casing that advances sound of one of claim 1 ~ 5, described casing is provided with the groove that described omnidirectional microphone is installed, and the keynote hole of the corresponding described omnidirectional microphone in the bottom of described groove and the position in sidetone hole are respectively arranged with the casing sound inlet.
7. device as claimed in claim 6 is characterized in that, described device also comprises with the casing of described device and cooperating, and described omnidirectional microphone is fixed on microphone fixed cell in the described groove.
8. device as claimed in claim 6 is characterized in that, the casing sound inlet that the position in corresponding described omnidirectional microphone keynote hole, the bottom of described groove arranges is 1 macropore or a plurality of aperture.
9. device as claimed in claim 6 is characterized in that, the casing sound inlet that the position in corresponding described omnidirectional microphone sidetone hole, the bottom of described groove arranges is 1 macropore or a plurality of aperture.
10. device as claimed in claim 6 is characterized in that described device is mobile phone or landline telephone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104432062A CN102905204A (en) | 2012-11-08 | 2012-11-08 | Unidirectional microphone absorbing sound unidirectionally and sound receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104432062A CN102905204A (en) | 2012-11-08 | 2012-11-08 | Unidirectional microphone absorbing sound unidirectionally and sound receiving device |
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| CN102905204A true CN102905204A (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104432062A Pending CN102905204A (en) | 2012-11-08 | 2012-11-08 | Unidirectional microphone absorbing sound unidirectionally and sound receiving device |
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| CN (1) | CN102905204A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104427422A (en) * | 2013-09-03 | 2015-03-18 | 派卡阿库斯蒂克公司 | Electronic unit used for a microphone unit, the microphone unit, tool used for manufacturing the electronic unit and method for manufacturing the microphone unit |
| CN106412783A (en) * | 2016-11-23 | 2017-02-15 | 上海传英信息技术有限公司 | Microphone structure and mobile terminal |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2645392Y (en) * | 2003-09-09 | 2004-09-29 | 威海富电电子部品有限公司 | Unidirectional condenser type microphone |
| CN2814852Y (en) * | 2005-07-28 | 2006-09-06 | 陈奚平 | Bone-conduction microphone and hand machine with the same bone-conduction microphone |
| CN201212382Y (en) * | 2008-07-15 | 2009-03-25 | 中国石油大学(华东) | Pin shaft reversing chain type long stroke pumping unit |
| WO2011152299A1 (en) * | 2010-06-01 | 2011-12-08 | 船井電機株式会社 | Microphone unit and audio input device provided with same |
| CN102742299A (en) * | 2009-12-25 | 2012-10-17 | 船井电机株式会社 | Microphone unit and voice input device provided therewith |
| CN202931519U (en) * | 2012-11-08 | 2013-05-08 | 山东共达电声股份有限公司 | Unidirectional sound inlet microphone and sound receiving apparatus |
-
2012
- 2012-11-08 CN CN2012104432062A patent/CN102905204A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2645392Y (en) * | 2003-09-09 | 2004-09-29 | 威海富电电子部品有限公司 | Unidirectional condenser type microphone |
| CN2814852Y (en) * | 2005-07-28 | 2006-09-06 | 陈奚平 | Bone-conduction microphone and hand machine with the same bone-conduction microphone |
| CN201212382Y (en) * | 2008-07-15 | 2009-03-25 | 中国石油大学(华东) | Pin shaft reversing chain type long stroke pumping unit |
| CN102742299A (en) * | 2009-12-25 | 2012-10-17 | 船井电机株式会社 | Microphone unit and voice input device provided therewith |
| WO2011152299A1 (en) * | 2010-06-01 | 2011-12-08 | 船井電機株式会社 | Microphone unit and audio input device provided with same |
| CN202931519U (en) * | 2012-11-08 | 2013-05-08 | 山东共达电声股份有限公司 | Unidirectional sound inlet microphone and sound receiving apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104427422A (en) * | 2013-09-03 | 2015-03-18 | 派卡阿库斯蒂克公司 | Electronic unit used for a microphone unit, the microphone unit, tool used for manufacturing the electronic unit and method for manufacturing the microphone unit |
| CN104427422B (en) * | 2013-09-03 | 2018-04-17 | 派卡阿库斯蒂克公司 | For the electronic unit of microphone unit, microphone unit, the apparatus for manufacturing electronic unit and the method for manufacturing microphone unit |
| CN106412783A (en) * | 2016-11-23 | 2017-02-15 | 上海传英信息技术有限公司 | Microphone structure and mobile terminal |
| CN106412783B (en) * | 2016-11-23 | 2022-04-12 | 上海传英信息技术有限公司 | Microphone structure and mobile terminal |
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Application publication date: 20130130 |