CN202931519U - Unidirectional sound inlet microphone and sound receiving apparatus - Google Patents
Unidirectional sound inlet microphone and sound receiving apparatus Download PDFInfo
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- CN202931519U CN202931519U CN 201220585807 CN201220585807U CN202931519U CN 202931519 U CN202931519 U CN 202931519U CN 201220585807 CN201220585807 CN 201220585807 CN 201220585807 U CN201220585807 U CN 201220585807U CN 202931519 U CN202931519 U CN 202931519U
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- filling member
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Abstract
The utility model provides a unidirectional sound inlet microphone and sound receiving apparatus. The unidirectional microphone comprises a microphone, a microphone housing and a filling member, wherein the microphone is fixedly arranged in the microphone housing through the filling member, the bottom of the microphone housing is provided with a main sound hole and a side sound hole, the filling member includes a side sound inlet chamber and a connection chamber, the microphone comprises a housing sound hole and a PCB opening, the main sound hole is communicated with the housing sound hole of the microphone, and the side sound hole is communicated with the PCB opening of the microphone through the side sound inlet chamber and the connection chamber. According to the unidirectional sound inlet microphone, a sound signal enters into the housing sound hole and the PCB opening respectively through the main sound hole and the side sound hole at the same direction, the sound inlet holes are arranged at the same direction on the whole apparatus, and the problems of a complex structure and a large dimension of the present equipment are solved.
Description
Technical field
The utility model relates to the microphone techniques field, particularly relates 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, in the time of 180 °, sensitivity is minimum, 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 the shell sound hole of 0 ° and the PCB perforate of 180 ° 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 coordinate gum cover, makes complete machine structure complexity and size also larger accordingly.
Summary of the invention
Technical problem to be solved in the utility model is to provide 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 utility model 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 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 microphone case by alignment pin and location hole.
Preferably, also include the main sound chamber advanced in described filling member; 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 utility model, 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 position in the keynote hole of the corresponding described omnidirectional microphone in the bottom of described groove and sidetone hole is respectively arranged with the casing sound inlet.
Preferably, described device also comprises with the casing of described device and coordinating, and described omnidirectional microphone is fixed on microphone fixed cell in 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 utlity model has following advantage:
In the disclosed unidirectional omnidirectional microphone structure of advancing sound of the utility model preferred embodiment, keynote hole and sidetone hole all are arranged on the bottom of omnidirectional microphone shell, shell sound hole and PCB perforate that voice signal can be respectively enters the 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 utility model;
Fig. 3 is the unidirectional partial structurtes schematic diagram that is subjected to mixer one embodiment that advances sound of the utility model.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to Fig. 2, show the unidirectional structural representation that advances omnidirectional microphone one embodiment of sound of the utility model, 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 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 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 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, and preferred, angle is set to 60 °; Connection chamber 223 and PCB perforate 232 advance the sound perpendicular direction.
In addition, keynote hole 211, sidetone hole 212 is 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 utility model, comprise unidirectional omnidirectional microphone, the apparatus housing 31 of advancing sound, be arranged on groove 32 and microphone fixed cell 33 on 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 casing 31, and the unidirectional omnidirectional microphone of advancing sound is fixed in casing 31.
In this preferred embodiment, the position in the keynote hole 211 of the corresponding omnidirectional microphone in the bottom of groove 32 and sidetone hole 212 is 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 utility model 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 inlets 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 between each embodiment, identical similar part is mutually referring to getting final product.
Above to a kind of unidirectional omnidirectional microphone of advancing sound provided by the utility model, 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 utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
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 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 microphone case by alignment pin and location hole.
4. omnidirectional microphone as claimed in claim 1, is characterized in that, also includes the main sound chamber advanced in described filling member; 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 position in the keynote hole of the corresponding described omnidirectional microphone in the bottom of described groove and sidetone hole is 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 coordinating, and described omnidirectional microphone is fixed on microphone fixed cell in 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 |
|---|---|---|---|
| CN 201220585807 CN202931519U (en) | 2012-11-08 | 2012-11-08 | Unidirectional sound inlet microphone and sound receiving apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220585807 CN202931519U (en) | 2012-11-08 | 2012-11-08 | Unidirectional sound inlet microphone and sound receiving apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202931519U true CN202931519U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220585807 Expired - Lifetime CN202931519U (en) | 2012-11-08 | 2012-11-08 | Unidirectional sound inlet microphone and sound receiving apparatus |
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| Country | Link |
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| CN (1) | CN202931519U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102905204A (en) * | 2012-11-08 | 2013-01-30 | 山东共达电声股份有限公司 | Unidirectional microphone absorbing sound unidirectionally and sound receiving device |
| WO2017206487A1 (en) * | 2016-05-30 | 2017-12-07 | 歌尔股份有限公司 | Wind noise prevention microphone and earphone cable control apparatus |
| WO2018098626A1 (en) * | 2016-11-29 | 2018-06-07 | 深圳前海达闼云端智能科技有限公司 | Communication terminal |
-
2012
- 2012-11-08 CN CN 201220585807 patent/CN202931519U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102905204A (en) * | 2012-11-08 | 2013-01-30 | 山东共达电声股份有限公司 | Unidirectional microphone absorbing sound unidirectionally and sound receiving device |
| WO2017206487A1 (en) * | 2016-05-30 | 2017-12-07 | 歌尔股份有限公司 | Wind noise prevention microphone and earphone cable control apparatus |
| US10715899B2 (en) | 2016-05-30 | 2020-07-14 | Goertek Inc. | Wind noise prevention microphone and earphone cable control apparatus |
| WO2018098626A1 (en) * | 2016-11-29 | 2018-06-07 | 深圳前海达闼云端智能科技有限公司 | Communication terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261200 No. 68 Fengshan Road, Fangzi District, Weifang City, Shandong Province Patentee after: GONGDA ELECTROACOUSTIC Co.,Ltd. Address before: 261200 No. 68 Fengshan Road, Fangzi District, Weifang City, Shandong Province Patentee before: Shandong Gettop Acoustic Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |
|
| CX01 | Expiry of patent term |