CN113395619A - Wind noise prevention microphone and electronic equipment - Google Patents
Wind noise prevention microphone and electronic equipment Download PDFInfo
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- CN113395619A CN113395619A CN202110630903.8A CN202110630903A CN113395619A CN 113395619 A CN113395619 A CN 113395619A CN 202110630903 A CN202110630903 A CN 202110630903A CN 113395619 A CN113395619 A CN 113395619A
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- sound
- wind noise
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- noise prevention
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/07—Mechanical or electrical reduction of wind noise generated by wind passing a microphone
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses a wind noise prevention microphone and electronic equipment, wherein the wind noise prevention microphone comprises a microphone monomer and a support, a first sound hole is axially formed in the support, a second sound hole is formed in the microphone monomer, a wind noise prevention channel is arranged at the rear end of the support and is U-shaped and comprises a first sound guide channel, a second sound guide channel and a third sound guide channel, the microphone monomer is bonded at the rear end of the support, the front end face of the microphone monomer is abutted against the rear end face of the support, and the wind noise prevention channel is covered by the microphone monomer; electronic equipment includes the casing and prevent wind as above and make an uproar microphone, is provided with the holding chamber in the casing, prevents wind and makes an uproar microphone and installs in the holding intracavity, is provided with the sound receiving hole on the casing, corresponds the setting around sound receiving hole and the first sound hole, waterproof ring and the inner wall interference fit of casing. The invention has simple structure, improved assembly efficiency, small occupied space, low manufacturing cost and good wind noise prevention effect, and meets the development requirement of electronic equipment on small volume.
Description
Technical Field
The invention relates to the technical field of acoustic energy conversion, in particular to a wind noise prevention microphone and electronic equipment.
Background
In the existing electronic equipment with the communication function and the radio function, a microphone monomer is arranged in a shell. The sound hole of the microphone unit is usually disposed directly opposite to the sound pickup hole of the housing. Under the condition, when wind blows, the wind directly blows into the sound holes of the microphone monomers, large wind noise is generated, the reception quality and the conversation quality are reduced, and bad experience is brought to users.
See chinese patent 201710112699.4, which discloses a wind noise preventing device for a microphone and an electronic device. The device comprises a first sound hole, a second sound hole, a first cavity, a second cavity and a communicating channel, wherein the first sound hole is communicated with the second sound hole through the first cavity, a first flow blocking part opposite to the first sound hole and a second flow blocking part opposite to the second sound hole are arranged in the first cavity, the communicating channel is used for communicating the first cavity with the second cavity, the second cavity is communicated with the microphone hole, and an inlet of the communicating channel is positioned between the first flow blocking part and the second flow blocking part.
However, the patent 201710112699.4 also has the following disadvantages: 1. the sound guide channel of the wind noise prevention device is three-dimensional, so that the wind noise prevention device occupies a larger space, and the development of electronic equipment towards small volume is restricted; 2. according to the technical scheme, the wind noise prevention device is additionally arranged between the sound receiving hole of the shell and the microphone monomer, so that the manufacturing cost is increased.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a wind noise prevention microphone and an electronic device, which have the advantages of simple structure, effectively improved assembly efficiency, small occupied space, capability of meeting the development requirement of the electronic device on small volume, effectively reduced manufacturing cost, and good wind noise prevention effect, and are provided by the present invention.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a wind noise prevention microphone comprises a microphone body and a support, wherein a first sound hole is formed in the axial direction of the support, a second sound hole is formed in the microphone body, a wind noise prevention channel which is concave forwards is arranged at the rear end of the support, the wind noise prevention channel is U-shaped and comprises a first sound guide channel, a second sound guide channel and a third sound guide channel, the first sound guide channel and the third sound guide channel are arranged in parallel from left to right, the inlet end of the second sound guide channel is communicated with the outlet end of the first sound guide channel, the outlet end of the second sound guide channel is communicated with the inlet end of the third sound guide channel, the inlet end of the first sound guide channel is communicated with the first sound hole, the outlet end of the third sound guide channel is communicated with the second sound hole, the microphone body is bonded to the rear end of the support in a back adhesive mode, and the front end face of the microphone body is abutted against the rear end face of the support, the microphone monomer covers the wind noise prevention channel.
As a preferable scheme, the wind noise prevention channel further includes a fourth sound conduction channel, the fourth sound conduction channel is disposed between the first sound hole and the first sound conduction channel, the fourth sound conduction channel is perpendicular to the first sound conduction channel, an inlet end of the fourth sound conduction channel is communicated with the first sound hole, and an outlet end of the fourth sound conduction channel is communicated with an inlet end of the first sound conduction channel.
As a preferred scheme, prevent wind noise microphone still includes the tuning net, the front end of support is provided with the mounting groove, the tuning net is installed in the mounting groove through the gum mode, and the middle part of mounting groove is located to aforementioned first sound hole.
Preferably, a placing groove for placing the microphone unit is formed in the rear end of the bracket, and the wind noise prevention channel is formed in the placing groove.
As a preferable scheme, a positioning column protruding backwards is arranged at the rear end of the support, and positioning holes matched with the positioning column are circumferentially arranged on the microphone body.
As a preferable scheme, the positioning column is integrally connected with the support, and the positioning column fixes the microphone unit in the placing groove in a hot melting mode.
Preferably, a waterproof ring protruding forwards is arranged at the front end of the support, and the mounting groove is formed in an inner ring of the waterproof ring.
As a preferred scheme, waterproof ring is through moulding plastics mode and support body coupling, waterproof ring's material is silica gel.
An electronic device comprises a shell and the wind noise prevention microphone, wherein an accommodating cavity is formed in the shell, the wind noise prevention microphone is installed in the accommodating cavity, a sound receiving hole is formed in the shell and corresponds to a first sound hole of the wind noise prevention microphone in a front-back mode, and a waterproof ring of the wind noise prevention microphone is in interference fit with the inner wall of the shell.
The invention has the beneficial effects that: the wind noise prevention channel is arranged between the first sound hole and the second sound hole, and wind noise energy of sound is dredged and eliminated by the wind noise prevention channel, so that the effect of eliminating wind noise can be achieved, the wind noise prevention effect is good, and good experience is brought to a user; the wind noise prevention channel is arranged at the rear end of the support, the microphone monomer is arranged at the rear end of the support, the front end face of the microphone monomer is abutted against the rear end face of the support, and the microphone monomer covers the wind noise prevention channel, so that the wind noise prevention microphone occupies a small space and can better meet the development requirement of electronic equipment on small size; when the wind noise prevention microphone is assembled, only the microphone monomer is arranged at the rear end of the support, and the tuning net is arranged at the front end of the support.
Drawings
FIG. 1 is an exploded view of an embodiment of the present invention;
FIG. 2 is a rear view of the stand of the present invention;
FIG. 3 is an exploded view of the housing and wind noise resistant microphone of the present invention;
fig. 4 is an assembled sectional view of the casing and the wind noise prevention microphone of the present invention.
In the figure: 1-microphone monomer, 2-bracket, 3-first sound hole, 4-second sound hole, 5-wind noise prevention channel, 6-first sound guide channel, 7-second sound guide channel, 8-third sound guide channel, 9-fourth sound guide channel, 10-tuning net, 11-mounting groove, 12-placement, 13-positioning column, 14-positioning hole, 15-waterproof ring, 16-shell and 17-sound-collecting hole.
Detailed Description
The structural and operational principles of the present invention are explained in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 2, a wind noise prevention microphone includes a microphone body 1 and a support 2, a first sound hole 3 is axially formed in the support 2, the microphone body 1 is provided with a second sound hole 4, a wind noise prevention channel 5 which is concave forward is arranged at the rear end of the support 2, the wind noise prevention channel 5 is U-shaped and includes a first sound guide channel 6, a second sound guide channel 7 and a third sound guide channel 8, the first sound guide channel 6 and the third sound guide channel 8 are arranged in parallel from left to right, an inlet end of the second sound guide channel 7 is communicated with an outlet end of the first sound guide channel 6, an outlet end of the second sound guide channel 7 is communicated with an inlet end of the third sound guide channel 8, the inlet end of the first sound guide channel 6 is communicated with the first sound hole 3, an outlet end of the third sound guide channel 8 is communicated with the second sound hole 4, the microphone body 1 is bonded to the rear end of the support 2 by means of a back adhesive, the front end face of the microphone single body 1 is abutted against the rear end face of the support 2, and the microphone single body 1 covers the wind noise prevention channel 5.
Preferably, the wind noise prevention channel 5 further includes a fourth sound guiding channel 9, the fourth sound guiding channel 9 is disposed between the first sound hole 3 and the first sound guiding channel 6, the fourth sound guiding channel 9 is disposed perpendicular to the first sound guiding channel 6, an inlet end of the fourth sound guiding channel 9 is communicated with the first sound hole 3, an outlet end of the fourth sound guiding channel 9 is communicated with an inlet end of the first sound guiding channel 6, and the fourth sound guiding channel 9 is perpendicular to the first sound guiding channel 6, so that wind noise energy in sound can be weakened when sound enters the first sound guiding channel 6 from the fourth sound guiding channel 9, wind noise of sound can be more effectively eliminated, and a wind noise prevention effect is better.
As a preferable scheme, the wind noise prevention microphone further comprises a tuning net 10, an installation groove 11 is formed in the front end of the support 2, the tuning net 10 is installed in the installation groove 11 in a back adhesive manner, and the first sound hole 3 is formed in the middle of the installation groove 11.
Preferably, a placement groove 12 for placing the microphone unit 1 is provided at the rear end of the stand 2, and the wind noise prevention passage 5 is provided in the placement groove 12.
As a preferable scheme, a positioning column 13 protruding backward is arranged at the rear end of the support 2, and a positioning hole 14 adapted to the positioning column 13 is arranged in the circumferential direction of the microphone unit 1.
Preferably, the positioning column 13 is integrally connected with the bracket 2, and the positioning column 13 fixes the microphone unit 1 in the placing groove 12 by means of hot melting; the positioning column 13 has two functions, namely, the positioning column is used for limiting the installation position of the microphone unit 1, and the positioning column 13 is hot-melted in a hot melting mode to fix the microphone unit 1 in the placing groove 12, so that the positioning is accurate.
Preferably, the front end of the bracket 2 is provided with a waterproof ring 15 protruding forwards, and the mounting groove 11 is arranged in an inner ring of the waterproof ring 15.
As an optimal scheme, waterproof ring 15 is through moulding plastics mode and 2 body coupling of support, waterproof ring 15's material is silica gel, need not extra installation sealing washer like this, can effectively avoid losing the phenomenon that leads to sealed waterproof function to become invalid because of the sealing washer and take place, effectively improves the waterproof performance of this wind noise prevention microphone, can practice thrift the equipment flow of this wind noise prevention microphone again, effectively improves the packaging efficiency, can also reduce the cost of manufacture simultaneously.
As shown in fig. 3 to 4, an electronic device includes a housing 16 and the wind noise prevention microphone as described above, wherein an accommodating cavity is provided in the housing 16, the wind noise prevention microphone is installed in the accommodating cavity, a sound receiving hole 17 is provided on the housing 16, the sound receiving hole 17 and the first sound hole 3 of the wind noise prevention microphone are correspondingly arranged in front and back, and a waterproof ring 15 of the wind noise prevention microphone is in interference fit with an inner wall of the housing 16.
Wind noise prevention principle: sound enters the second sound hole 4 of the microphone monomer 1 from the sound receiving hole 17 of the shell 16 through the first sound hole 3 and the wind noise prevention channel 5 to finish sound pickup; when sound is through preventing wind channel 5, sound gets into fourth sound conduction passageway 9 from first sound hole 3, because fourth sound conduction passageway 9 is perpendicular with first sound conduction passageway 6, just so can make sound wind noise energy weaken when sound gets into first sound conduction passageway 6 from fourth sound conduction passageway 9, just can make sound wind noise energy eliminate after first sound conduction passageway 6 changes second sound conduction passageway 7 and second sound conduction passageway 7 changes third sound conduction passageway 8 again, thereby reach the purpose of eliminating wind noise, it is obvious to prevent wind noise effect, bring good experience for the user and feel.
The invention has the beneficial effects that: the wind noise prevention channel 5 is arranged between the first sound hole 3 and the second sound hole 4, and wind noise energy of sound is dredged and eliminated by the wind noise prevention channel 5, so that the effect of eliminating wind noise can be achieved, the wind noise prevention effect is good, and good experience feeling is brought to a user; the wind noise prevention channel 5 is arranged at the rear end of the support 2, the microphone unit 1 is arranged at the rear end of the support 2, the front end face of the microphone unit 1 is abutted against the rear end face of the support 2, and the microphone unit 1 covers the wind noise prevention channel 5, so that the wind noise prevention microphone occupies a small space and can better meet the development requirement of electronic equipment on small size; when the wind noise prevention microphone is assembled, only the microphone unit 1 needs to be arranged at the rear end of the support 2, and the tuning net 10 is arranged at the front end of the support 2.
The above description is only a preferred embodiment of the present invention, and all the minor modifications, equivalent changes and modifications made to the above embodiment according to the technical solution of the present invention are within the scope of the technical solution of the present invention.
Claims (9)
1. A wind noise prevention microphone is characterized in that: comprises a microphone monomer and a bracket, wherein the bracket is axially provided with a first sound hole, the microphone monomer is provided with a second sound hole, the rear end of the bracket is provided with a wind noise prevention channel which is concave forwards, the wind noise prevention channel is U-shaped and comprises a first sound guide channel, a second sound guide channel and a third sound guide channel, the first sound guide channel and the third sound guide channel are arranged in parallel left and right, the inlet end of the second sound guide channel is communicated with the outlet end of the first sound guide channel, the outlet end of the second sound conduction channel is communicated with the inlet end of the third sound conduction channel, the inlet end of the first sound conduction channel is communicated with the first sound hole, the outlet end of the third sound conduction channel is communicated with the second sound hole, the microphone monomer is bonded at the rear end of the bracket in a back adhesive mode, the front end face of the microphone monomer is abutted against the rear end face of the support, and the microphone monomer covers the wind noise prevention channel.
2. The wind noise resistant microphone according to claim 1, wherein: the wind noise prevention channel further comprises a fourth sound guide channel, the fourth sound guide channel is arranged between the first sound hole and the first sound guide channel, the fourth sound guide channel is perpendicular to the first sound guide channel, the inlet end of the fourth sound guide channel is communicated with the first sound hole, and the outlet end of the fourth sound guide channel is communicated with the inlet end of the first sound guide channel.
3. The wind noise resistant microphone according to claim 1, wherein: still include the tuning net, the front end of support is provided with the mounting groove, the tuning net is installed in the mounting groove through the gum mode, and the middle part of mounting groove is located to aforementioned first phonate hole.
4. The wind noise resistant microphone according to claim 1, wherein: the rear end of the support is provided with a placing groove for placing a microphone monomer, and the wind noise prevention channel is arranged in the placing groove.
5. The wind noise resistant microphone according to claim 4, wherein: the rear end of the support is provided with a positioning column protruding backwards, and positioning holes matched with the positioning column are formed in the circumferential direction of the microphone body.
6. The wind noise resistant microphone according to claim 5, wherein: the positioning column is connected with the support in an integrated mode, and the positioning column fixes the microphone monomer in the placing groove in a hot melting mode.
7. A wind noise resistant microphone according to claim 3, wherein: the front end of the support is provided with a waterproof ring protruding forwards, and the mounting groove is formed in an inner ring of the waterproof ring.
8. The wind noise resistant microphone according to claim 7, wherein: waterproof ring is through moulding plastics mode and support body coupling, waterproof ring's material is silica gel.
9. An electronic device, characterized in that: the wind noise prevention microphone comprises a shell and the wind noise prevention microphone according to any one of claims 1 to 8, wherein a containing cavity is arranged in the shell, the wind noise prevention microphone is installed in the containing cavity, a sound receiving hole is formed in the shell and corresponds to a first sound hole of the wind noise prevention microphone in a front-back mode, and a waterproof ring of the wind noise prevention microphone is in interference fit with the inner wall of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630903.8A CN113395619A (en) | 2021-06-07 | 2021-06-07 | Wind noise prevention microphone and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630903.8A CN113395619A (en) | 2021-06-07 | 2021-06-07 | Wind noise prevention microphone and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113395619A true CN113395619A (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110630903.8A Pending CN113395619A (en) | 2021-06-07 | 2021-06-07 | Wind noise prevention microphone and electronic equipment |
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| Country | Link |
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| CN (1) | CN113395619A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08322096A (en) * | 1995-05-26 | 1996-12-03 | Foster Electric Co Ltd | Wind noise preventing microphone |
| CN210629783U (en) * | 2019-12-06 | 2020-05-26 | 深圳森虎科技股份有限公司 | Microphone of hand-held communication equipment with windproof and waterproof functions |
| CN212086457U (en) * | 2020-06-28 | 2020-12-04 | 歌尔科技有限公司 | Earphone wind-proof noise reduction structure and earphone |
-
2021
- 2021-06-07 CN CN202110630903.8A patent/CN113395619A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08322096A (en) * | 1995-05-26 | 1996-12-03 | Foster Electric Co Ltd | Wind noise preventing microphone |
| CN210629783U (en) * | 2019-12-06 | 2020-05-26 | 深圳森虎科技股份有限公司 | Microphone of hand-held communication equipment with windproof and waterproof functions |
| CN212086457U (en) * | 2020-06-28 | 2020-12-04 | 歌尔科技有限公司 | Earphone wind-proof noise reduction structure and earphone |
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