CN203301691U - Windproof, denoising and unidirectional microphone - Google Patents
Windproof, denoising and unidirectional microphone Download PDFInfo
- Publication number
- CN203301691U CN203301691U CN2013203126286U CN201320312628U CN203301691U CN 203301691 U CN203301691 U CN 203301691U CN 2013203126286 U CN2013203126286 U CN 2013203126286U CN 201320312628 U CN201320312628 U CN 201320312628U CN 203301691 U CN203301691 U CN 203301691U
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- CN
- China
- Prior art keywords
- windproof
- sound hole
- noise reduction
- directional microphone
- shell
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Abstract
The utility model discloses a windproof, denoising and unidirectional microphone. The microphone comprises an outer housing with an outer housing sound aperture and a housing body formed by a circuit board. An electrode capacitor is disposed inside the housing body. The electrode capacitor comprises a vibrating diaphragm, a gasket and a back electrode plate with a back electrode plate sound aperture. The electrode capacitor is in electrical connection with the circuit board. The vibrating diaphragm divides the housing body into a front cavity and a rear cavity, and the rear cavity is communicated with the circuit board sound aperture. A metal ring is disposed between the back electrode plate and the circuit board. A support ring is sleeved outside the metal ring and the back electrode plate. A windproof piece with a windproof piece sound aperture is disposed inside the front cavity. Therefore, by cooperation between the windproof piece and the outer housing, impacts of air flows to the vibrating diaphragm are reduced. A damping fin is disposed on the back electrode plate and is inserted into the inner cavity of the metal ring. A signal acquired on the circuit board and a sound signal come from the outer housing sound aperture form a sound differential pressure, so that low-frequency noise signals are reduced, and windproof and denoising effects are achieved.
Description
[technical field]
The utility model relates to a kind of transaudient equipment, more specifically says a kind of windproof noise reduction uni-directional microphone.
[background technology]
Along with the development of information age, people pick up requirement to the sound such as the so transaudient equipment of microphone that uses in recording, performance, meeting, the occasion such as make a phone call more and more higher.Traditional microphone is electret capacitor microphone mostly, although design is ripe, use general, but at some, in particular cases use this microphone, for example blow hard, drive motorcycle, and will allow the audience hear back drop and the noise of shrillness in environmental noise situation about mingling, affect communication effect and quality, even people sometimes at all just can't not hear the other side and are saying something.Experience based on the user, according to the demand in market, the utility model arises at the historic moment.
[summary of the invention]
The utility model purpose is to have overcome the deficiencies in the prior art, and a kind of uni-directional microphone of windproof while noise reduction is provided.
The utility model is achieved through the following technical solutions:
a kind of windproof noise reduction uni-directional microphone, comprise by base plate and the shell that surrounds along the side plate that base plate extends, the base plate of described shell is provided with shell sound hole, be fixedly connected with on described side plate the wiring board that is provided with wiring board sound hole and with its formation housing, be provided with by vibrating diaphragm in described housing, the cartridge capacitor of packing ring and the back pole plate composition that is provided with back pole plate sound hole, described vibrating diaphragm is divided into front cavity and rear cavity with housing, described wiring board sound hole communicates with rear cavity, be provided with becket between described back pole plate and wiring board in described rear cavity, be arranged with support ring outside described becket and back pole plate, the two ends of described cartridge capacitor are electrically connected to respectively on described wiring board by becket and shell respectively, it is characterized in that in the front cavity between described shell bottom plate and vibrating diaphragm being provided with windproof with windproof sound hole.
Windproof noise reduction uni-directional microphone as above, is characterized in that described windproof sound hole communicates along described windproof circumferential array setting and with described shell sound hole is staggered.
Windproof noise reduction uni-directional microphone as above, is characterized in that clearance distance between the plane at the plane of described base plate and place, described windproof sound hole is less than 0.1mm.
Windproof noise reduction uni-directional microphone as above, is characterized in that the middle part of described windproof is recessed to form to described vibrating diaphragm one side the groove that communicates with windproof sound hole, and described groove communicates with described shell sound hole.
Windproof noise reduction uni-directional microphone as above, is characterized in that being provided with on described back pole plate the damping fin that stretches into described becket inner chamber, and described damping fin comprises damping and the Damper Braces ring that described damping and described back pole plate are connected together.
Windproof noise reduction uni-directional microphone as above, is characterized in that described damping is the silk that is provided with uniform latticed through hole.
Windproof noise reduction uni-directional microphone as above, is characterized in that described damping is the steel mesh that is provided with uniform latticed through hole.
Windproof noise reduction uni-directional microphone as above, is characterized in that described becket is nickel plating or gold-plated copper ring.
Windproof noise reduction uni-directional microphone as above, is characterized in that the sound hole on described wiring board is two, and at circumferencial direction, be evenly arranged.
Compared with prior art, the present invention has the following advantages:
1. the shell sound hole of the windproof noise reduction uni-directional microphone of the utility model communicates with windproof sound hole is staggered, form the cushion space of an air-flow, in the situation that the environmental noises such as strong wind are mingled with, air-flow can not directly act on vibrating diaphragm, but first pass through the sound hole of windproof, and then act on vibrating diaphragm, weakened the percussion to vibrating diaphragm, have good windproof noise reduction capability.
2. the windproof noise reduction uni-directional microphone of the utility model arranges damping fin at the sound nose end of back pole plate, damping on damping fin receives the signal that transmits from wiring board sound hole and shell sound hole, the signal flow velocity time that these two ends receive is different, the two end signals acoustic pressure difference of rear formation of meeting, subdue low frequency signal, thereby play an effect of noise reducing, and do not affect the susceptibility of microphone to useful signal.
[description of drawings]
Fig. 1 is the utility model structure cutaway view;
Fig. 2 is schematic diagram after the utility model decomposes.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is described in detail:
by a kind of windproof noise reduction uni-directional microphone illustrated in figures 1 and 2, comprise the shell 1 that is surrounded by base plate 11 and the side plate 12 that extends along base plate 11, the base plate 11 of described shell 1 is provided with shell sound hole 13, be fixedly connected with on described side plate 12 wiring board 2 that is provided with wiring board sound hole 21 and with its formation housing, be provided with in described housing by vibrating diaphragm 31, the cartridge capacitor 3 of packing ring 32 and back pole plate 33 compositions that are provided with back pole plate sound hole 331, described vibrating diaphragm is divided into front cavity 8 and rear cavity 9 with housing, described wiring board sound hole 21 communicates with rear cavity 9, be provided with becket 4 between the interior described back pole plate 33 of described rear cavity 9 and wiring board 2, be arranged with support ring 5 outside described becket 4 and back pole plate 33, the two ends of described cartridge capacitor 3 are electrically connected to respectively on described wiring board 2 by becket 4 and shell 1 respectively, be provided with windproof 6 with windproof sound hole 61 in front cavity 8 between described shell bottom plate 11 and vibrating diaphragm 31.Adopt this structural design, after shell sound hole and windproof sound hole are staggered, form the cushion space of an air-flow, air-flow can not directly act on vibrating diaphragm, but first pass through the sound hole of windproof, and then act on vibrating diaphragm, weakened the percussion to vibrating diaphragm, have good windproof noise reduction capability.
Described windproof sound hole 61 communicates along described windproof 6 circumferential array settings and with described shell sound hole 13 is staggered.
Clearance distance between the plane 61a at the plane 11a of described base plate 11 and 61 places, described windproof sound hole is less than 0.1mm.
The middle part of described windproof 6 is recessed to form to described vibrating diaphragm 31 1 sides the groove 62 that communicates with windproof sound hole 61, and described groove 62 communicates with described shell sound hole 13.
Be provided with the damping fin 7 that stretches into described becket 4 inner chambers on described back pole plate 33, described damping fin 7 comprises damping 71 and the Damper Braces ring 72 that described damping 71 and described back pole plate 33 are connected together.At back pole plate sound nose end, damping fin is set, damping on damping fin receives the signal that transmits from wiring board sound hole and shell sound hole, the signal flow velocity time that these two ends receive is different, the two end signals acoustic pressure difference of rear formation of meeting, subdue low frequency signal, thereby play an effect of noise reducing, and do not affect the susceptibility of microphone to useful signal
Described damping 71 can be selected silk or the steel mesh that is provided with uniform latticed through hole.
Described becket 4 is nickel plating or gold-plated copper ring.
Claims (10)
1. windproof noise reduction uni-directional microphone, comprise by base plate (11) and the shell (1) that surrounds along the side plate (12) that base plate (11) extends, the base plate (11) of described shell (1) is provided with shell sound hole (13), be fixedly connected with on described side plate (12) wiring board (2) that is provided with wiring board sound hole (21) and with its formation housing, be provided with in described housing by vibrating diaphragm (31), packing ring (32) and be provided with the cartridge capacitor (3) that the back pole plate (33) in back pole plate sound hole (331) forms, described vibrating diaphragm is divided into front cavity (8) and rear cavity (9) with housing, described wiring board sound hole (21) communicates with rear cavity (9), be provided with becket (4) between described back pole plate (33) and wiring board (2) in described rear cavity (9), be arranged with support ring (5) outside described becket (4) and back pole plate (33), the two ends of described cartridge capacitor (3) are electrically connected to respectively on described wiring board (2) by becket (4) and shell (1) respectively, it is characterized in that: be provided with windproof (6) with windproof sound hole (61) in the front cavity (8) between described shell bottom plate (11) and vibrating diaphragm (31).
2. windproof noise reduction uni-directional microphone according to claim 1 is characterized in that: described windproof sound hole (61) communicates along described windproof (6) circumferential array setting and with described shell sound hole (13) is staggered.
3. windproof noise reduction uni-directional microphone according to claim 1, it is characterized in that: the clearance distance between the plane (61a) at the plane (11a) of described base plate (11) and place, described windproof sound hole (61) is less than 0.1mm.
4. windproof noise reduction uni-directional microphone according to claim 2, it is characterized in that: the middle part of described windproof (6) is recessed to form to described vibrating diaphragm (31) one sides the groove (62) that communicates with windproof sound hole (61), and described groove (62) communicates with described shell sound hole (13).
5. windproof noise reduction uni-directional microphone according to claim 1, it is characterized in that: be provided with the damping fin (7) that stretches into described becket (4) inner chamber on described back pole plate (33), described damping fin (7) comprises damping (71) and the Damper Braces ring (72) that described damping (71) and described back pole plate (33) are connected together.
6. windproof noise reduction uni-directional microphone according to claim 5 is characterized in that: described damping (71) is for being provided with the silk of uniform latticed through hole.
7. windproof noise reduction uni-directional microphone according to claim 5 is characterized in that: described damping (71) is for being provided with the steel mesh of uniform latticed through hole.
8. the described windproof noise reduction uni-directional microphone of according to claim 1 to 7 any one, it is characterized in that: described becket (4) is the copper ring of nickel plating.
9. the described windproof noise reduction uni-directional microphone of according to claim 1 to 7 any one, it is characterized in that: described becket (4) is gold-plated copper ring.
10. the described windproof noise reduction uni-directional microphone of according to claim 1 to 7 any one, it is characterized in that: the sound hole (21) on described wiring board (2) is two, and at circumferencial direction, is evenly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203126286U CN203301691U (en) | 2013-05-31 | 2013-05-31 | Windproof, denoising and unidirectional microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203126286U CN203301691U (en) | 2013-05-31 | 2013-05-31 | Windproof, denoising and unidirectional microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203301691U true CN203301691U (en) | 2013-11-20 |
Family
ID=49577668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203126286U Expired - Lifetime CN203301691U (en) | 2013-05-31 | 2013-05-31 | Windproof, denoising and unidirectional microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203301691U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104320730A (en) * | 2014-10-27 | 2015-01-28 | 青岛歌尔声学科技有限公司 | Microphone device with open type vocal cavities |
| CN110491385A (en) * | 2019-07-24 | 2019-11-22 | 深圳市合言信息科技有限公司 | Simultaneous interpretation method, apparatus, electronic device and computer readable storage medium |
| CN110536195A (en) * | 2019-09-29 | 2019-12-03 | 商丘华亿通电子科技有限公司 | DNR dynamic noise reduction megaphone |
-
2013
- 2013-05-31 CN CN2013203126286U patent/CN203301691U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104320730A (en) * | 2014-10-27 | 2015-01-28 | 青岛歌尔声学科技有限公司 | Microphone device with open type vocal cavities |
| CN104320730B (en) * | 2014-10-27 | 2018-12-25 | 青岛歌尔声学科技有限公司 | The microphone apparatus of the open operatic tunes |
| CN110491385A (en) * | 2019-07-24 | 2019-11-22 | 深圳市合言信息科技有限公司 | Simultaneous interpretation method, apparatus, electronic device and computer readable storage medium |
| CN110536195A (en) * | 2019-09-29 | 2019-12-03 | 商丘华亿通电子科技有限公司 | DNR dynamic noise reduction megaphone |
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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: 20131120 |
|
| CX01 | Expiry of patent term |