CN202602873U - Water-proof microphone - Google Patents
Water-proof microphone Download PDFInfo
- Publication number
- CN202602873U CN202602873U CN 201220284533 CN201220284533U CN202602873U CN 202602873 U CN202602873 U CN 202602873U CN 201220284533 CN201220284533 CN 201220284533 CN 201220284533 U CN201220284533 U CN 201220284533U CN 202602873 U CN202602873 U CN 202602873U
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- vibrating diaphragm
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- diaphragm
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Abstract
The utility model discloses a water-proof microphone. The water-proof microphone comprises a cylindrical shell of which a sound hole is formed in the bottom, an outer diaphragm for covering the sound hole is sealed at and adhered to the bottom of a cavity of the shell, inner diaphragm rings which are coaxial with the shell are arranged on the outer diaphragm, end faces of the inner diaphragm rings, which are far away from the outer diaphragms, are adhered with an inner diaphragm, a conducting adhesive is coated between the periphery of the inner diaphragm and the inner wall of the shell, edge parts of the upper end face of the inner diaphragm are correspondingly provided with insulating backing rings, back plates corresponding to the inner diaphragm are arranged above the backing rings, metal rings which are electrically connected with the edge parts of upper end faces of the back plates are arranged above the back plates, a circuit board which is electrically connected with the metal rings is arranged above the metal rings, a mouth part of the shell is provided with flanges which tightly press all components in the cavity of the shell and are electrically connected with the upper end face of the circuit board, and a water-proof adhesive is coated at the upper end face of the circuit board and the mouth part of the shell. The water-proof microphone is reasonable in structure and strong in adaptability, and has water-proof and dust-proof performance, so that the water-proof microphone can be used in the air or under water, and the water-proof microphone has a longer service life when used under water.
Description
Technical field
The utility model relates to a kind of waterproof microphone.
Background technology
Microphone is microphone, microphone, microphone again, is the power conversion device that voice signal is converted into the signal of telecommunication, is translated by Microphone.Twentieth century; Microphone is by developing into inductance, condenser type conversion through resistance conversion acoustic-electric at first; A large amount of new microphone techniques grow up gradually, and this is comprising microphones such as aluminium strip, moving-coils, and current widely used capacitance microphone and electret microphone.It is different to press transduction principle, and microphone can be divided into: electrodynamic type (moving-coil type, aluminium band type), microphones such as condenser type (direct current polarization formula), piezoelectric type (crystal formula, ceramic-type) and electromagnetic type, carbon granules formula, semiconductor-type.
The microphone of traditional structure is in relatively dry and relatively design and using in the atmosphere of cleaning, does not have the water proof and dust proof design, does not also just have waterproof and dust reduction capability.Therefore when in the air atmosphere that humidity or air are dirty relatively relatively, using, the useful life of traditional microphones is very short.When in water, using, traditional microphones almost can not be worked.The above-mentioned defective of traditional microphones causes the narrow of its application surface, has seriously hindered the popularization and application of microphone.
Summary of the invention
The technical problem that the utility model will solve is to provide a kind of rational in infrastructure to above-mentioned deficiency, has the water proof and dust proof performance, and adaptive capacity is strong, and the waterproof microphone that grow useful life in the water.
For solving the problems of the technologies described above; This waterproof microphone comprises that the bottom is provided with the tubular shell of sound hole, and its design feature is: the sealing of housing intracavity bottom is pasted with the outer vibrating diaphragm that covers sound hole, and outer vibrating diaphragm is provided with the interior vibrating diaphragm ring with the coaxial setting of housing; Be pasted with interior vibrating diaphragm on the end face of interior vibrating diaphragm ring away from outer vibrating diaphragm; Scribble conducting resinl between interior vibrating diaphragm periphery and the inner walls, interior vibrating diaphragm upper surface limit portion correspondence is provided with the insulation gasket ring, and the gasket ring top is provided with the back pole plate corresponding with interior vibrating diaphragm; The back pole plate top is provided with the becket that is electrically connected with back pole plate upper surface limit portion; Becket top is provided with the circuit board of corresponding electrical connection with becket, the housing oral area be provided with above-mentioned each parts correspondence be pressed in the housing inner chamber and with the flange of the corresponding electrical connection in circuit board upper surface, scribble marine glue on circuit board upper surface and the housing oral area.
The waterproof microphone of this structure is to realize having the water proof and dust proof performance through the double diaphragm hermetically-sealed construction, and adaptive capacity is strong, and grow useful life in the water.
The double diaphragm hermetically-sealed construction comprises tubular shell, and the housing bottom surface is provided with sound hole, and sound hole connects housing bottom, and sound hole is unique passage that this waterproof microphone receives voice signal.Double diaphragm is meant in this waterproof microphone, is provided with two diaphragm structures, promptly interior diaphragm structure and outer diaphragm structure.Outer diaphragm structure mainly comprises the outer vibrating diaphragm that is arranged on the housing intracavity bottom, and the size of outer vibrating diaphragm can guarantee to cover the sound hole inner face fully, and outer vibrating diaphragm periphery is tightly connected together through fluid sealant and housing inner bottom surface.Like this, housing bottom has sound hole to connect, but outer diaphragm structure has played the effect of sealing sound hole, has also just played the effect of seal casinghousing bottom.When the vibration of outer vibrating diaphragm air outside or water, outer vibrating diaphragm will vibrate thereupon, and with the vibration transfer of outside air or water in the housing inner chamber, that is to say that outer vibrating diaphragm also has the effect of transmitting the external vibration signal.Interior diaphragm structure comprises the interior vibrating diaphragm ring that is arranged on outer vibrating diaphragm top, and interior vibrating diaphragm ring is and the corresponding annulus of interior vibrating diaphragm limit portion, fixedly is pasted with interior vibrating diaphragm on the upper surface of interior vibrating diaphragm ring.The effect of interior vibrating diaphragm ring has two, and one is for interior vibrating diaphragm provides support, and vibrating diaphragm can entirely extend in making, and interior like this vibrating diaphragm could be responded to sound vibration signal truly when receiving air vibration pressure.Another effect of interior vibrating diaphragm ring is that external vibrating diaphragm and interior vibrating diaphragm carry out the interval, forms an air gap, the collision phenomenon when effectively having avoided interior vibrating diaphragm and outer vibrating diaphragm to vibrate simultaneously in making between vibrating diaphragm and the outer vibrating diaphragm.Can enough spaces be provided for the vibration of interior vibrating diaphragm and outer vibrating diaphragm like this, so that both transmit truly or respond to sound vibration signal.Conducting resinl between interior vibrating diaphragm periphery and the inner walls, vibrating diaphragm and housing in mainly plaing a part to be electrically connected are to carry out the transmission of the signal of telecommunication through housing.Interior vibrating diaphragm top is provided with gasket ring, and gasket ring is and the corresponding annular of interior vibrating diaphragm periphery, is made by insulating material.The gasket ring top is provided with back pole plate, and back pole plate is kept apart through the gasket ring insulation with the corresponding setting up and down of interior vibrating diaphragm, back pole plate and interior vibrating diaphragm, constitutes the parallel interval structure.Because be filled with electric charge in the back pole plate in advance, so interior vibrating diaphragm and back pole plate parallel and that closely be provided with have just constituted plane-parallel capacitor.When interior vibrating diaphragm vibrated, the voltage signal of the plane-parallel capacitor that interior vibrating diaphragm and back pole plate constitute just changed, thereby realized the induction to sound vibration signal.Back pole plate top is provided with becket, and it is corresponding with the back pole plate periphery circular that becket is.Becket top is provided with and housing oral area corresponding electrical circuits plate, and circuit board is provided with the treatment circuit that the induced signal to plane-parallel capacitor amplifies.The main effect of becket is to realize the support between back pole plate and the circuit board inner face and be electrically connected.The housing oral area is provided with the flange that in housing, stirs, the main effect of flange, be with circuit board and and the housing bottom surface between each parts closely be pressed in the housing, and realize being electrically connected of circuit board and housing and interior vibrating diaphragm.Circuit board upper surface and housing oral area also are coated with marine glue; The main effect of marine glue; Be that circuit board and circuit board and housing oral area are sealed;, circuit board upper surface and housing oral area come the effect of also just having played anti-sealing or dirt open circuit potential plate and housing oral area or having got into the housing inner chamber so that being isolated from the outside.When placing air or water to this waterproof microphone, the vibration signal of air or water can pass sound hole and promote outer vibrating diaphragm vibration, the interior vibrating diaphragm thereupon synchronous vibration adjacent with outer vibrating diaphragm.Like this, the vibration of interior vibrating diaphragm also just directly causes the synchronous variation of plane-parallel capacitor voltage signal, and after the signal transmission through housing and becket, circuit board can carry out processing and amplifying and output with this voltage signal.This waterproof microphone through two membrane structures and hermetically-sealed construction, has been realized isolation fully extraneous and the housing inner chamber; Fundamentally solved the problem that extraneous steam or dust get into housing; Both can in air, use, also can in water, use, expand the range of application of microphone greatly.
As improvement, the periphery sealing of outer vibrating diaphragm lower surface is pasted with outer vibrating diaphragm ring, and outer vibrating diaphragm ring bottom sticks on the sealing of housing inner bottom surface.
The outer vibrating diaphragm ring that the vibrating diaphragm below is provided with and the sealing of outer vibrating diaphragm periphery is pasted outside, externally vibrating diaphragm carries out the stretching support of periphery 360 degree, comes so that outer vibrating diaphragm entirely extends, and helps the outer vibrating diaphragm sense of reality to answer the outside sound vibration signal.
As further improving, back pole plate and becket outer cover are equipped with dead ring again.
At back pole plate and the outside suit dead ring of becket; Can back pole plate periphery, becket periphery and inner walls structurally be kept apart; Fundamentally stop back pole plate periphery, becket periphery and inner walls and touched and problem of short-circuit, improved the functional reliability of this waterproof microphone greatly.
In sum, adopt the waterproof microphone of this structure, rational in infrastructure, have the water proof and dust proof performance, adaptive capacity is strong, and in the water useful life longer, can in air, use, can in water, use again.
Description of drawings
In conjunction with accompanying drawing the utility model is explained further details:
Fig. 1 is the structural representation of the utility model.
Among the figure: 1 is housing, and 2 is sound hole, and 3 is outer vibrating diaphragm, and 4 is interior vibrating diaphragm ring, and 5 is interior vibrating diaphragm, and 6 is conducting resinl, and 7 is gasket ring, and 8 is back pole plate, and 9 is becket, and 10 is circuit board, and 11 is flange, and 12 is marine glue, and 13 is outer vibrating diaphragm ring, and 14 is dead ring.
Embodiment
As shown in Figure 1, this waterproof microphone comprises housing 1, and housing 1 is cylindric that oral area makes progress.Housing 1 bottom surface is provided with sound hole 2, and sound hole 2 is and the circular port of housing 1 coaxial setting that the diameter of sound hole 2 is 3/5ths of housing 1 diameter.Sound hole 2 connects housing 1 bottom, and sound hole 2 is unique passages that this waterproof microphone receives voice signal.
In this waterproof microphone, be provided with two diaphragm structures, promptly interior diaphragm structure and outer diaphragm structure.Outer diaphragm structure comprises the outer vibrating diaphragm 3 that is arranged on housing 1 intracavity bottom, and the size of outer vibrating diaphragm 3 can guarantee to cover fully sound hole 2 inner faces.The periphery sealing of outer vibrating diaphragm 3 lower surfaces is pasted with outer vibrating diaphragm ring 13, and outer vibrating diaphragm ring 13 bottoms stick on the sealing of housing 1 inner bottom surface.Through outer vibrating diaphragm ring 13 externally vibrating diaphragm 3 stretching of carrying out periphery 360 degree support come so that outer vibrating diaphragm 3 entirely extends, help outer vibrating diaphragm 3 senses of reality to answer the outside sound vibration signal.Though housing 1 bottom has sound hole 2 to connect, outer diaphragm structure has played the effect of sealing sound hole 2, has also just played the effect of seal casinghousing 1 bottom.When the vibration of outer vibrating diaphragm 3 air outside or water, outer vibrating diaphragm 3 will vibrate thereupon, and with the vibration transfer of outside air or water in housing 1 inner chamber, that is to say that outer vibrating diaphragm 3 also has the effect of transmitting the external vibration signal.
Interior diaphragm structure comprises the interior vibrating diaphragm ring 4 that is arranged on outer vibrating diaphragm 3 tops, and interior vibrating diaphragm ring 4 is and the corresponding annulus of interior vibrating diaphragm 5 limit portions vibrating diaphragm 5 in fixedly being pasted with on the upper surface of interior vibrating diaphragm ring 4.The effect of interior vibrating diaphragm ring 4 has two, and one is for interior vibrating diaphragm 5 provides support, and vibrating diaphragm 5 can entirely extend in making, and interior like this vibrating diaphragm 5 could be responded to sound vibration signal truly when receiving air vibration pressure.Another effect of interior vibrating diaphragm ring 4 is that external vibrating diaphragm 3 carries out the interval with interior vibrating diaphragm 5, forms an air gap in making between vibrating diaphragm 5 and the outer vibrating diaphragm 3, the collision phenomenon when effectively having avoided interior vibrating diaphragm 5 to vibrate simultaneously with outer vibrating diaphragm 3.Can enough spaces be provided for the vibration of interior vibrating diaphragm 5 and outer vibrating diaphragm 3 like this, so that both transmit truly or respond to sound vibration signal.Be coated with conducting resinl 6 between interior vibrating diaphragm 5 peripheries and housing 1 inwall, vibrating diaphragm 5 and housing 1 in conducting resinl 6 mainly plays a part to be electrically connected are to carry out the transmission of the signal of telecommunication through housing 1.
Interior vibrating diaphragm 5 tops are provided with gasket ring 7, and gasket ring 7 is and the corresponding annular of interior vibrating diaphragm 5 peripheries, is made by insulating material.Gasket ring 7 tops are provided with back pole plate 8, and back pole plate 8 is the circular plate type with the corresponding setting about in the of 5 of interior vibrating diaphragm.Back pole plate 8 is kept apart through gasket ring 7 insulation with interior vibrating diaphragm 5, constitutes the parallel interval structure.Because be filled with electric charge in the back pole plate 8 in advance, so interior vibrating diaphragm 5 parallel and that closely be provided with and back pole plate 8 have just constituted plane-parallel capacitor.When interior vibrating diaphragm 5 vibrated, interior vibrating diaphragm 5 just changed with the voltage signal of the plane-parallel capacitor that back pole plate 8 constitutes, thereby realizes the induction to sound vibration signal.Back pole plate 8 tops are provided with becket 9, and it is corresponding with back pole plate 8 periphery circular that becket 9 is.Becket 9 tops are provided with and housing 1 oral area corresponding electrical circuits plate 10, and circuit board 10 is provided with the treatment circuit that the induced signal to plane-parallel capacitor amplifies.The main effect of becket 9 is to realize the support between back pole plate 8 and circuit board 10 inner faces and be electrically connected.Housing 1 oral area is provided with the flange 11 that in housing 1, stirs, the main effect of flange 11, be with circuit board 10 and and housing 1 bottom surface between each parts closely be pressed in the housing 1, and realize being electrically connected of circuit board 10 and housing 1 and interior vibrating diaphragm 5.Circuit board 10 upper surfaces and housing 1 oral area also are coated with marine glue 12; The main effect of marine glue 12; Be that circuit board 10 and circuit board 10 are sealed with housing 1 oral area; Come so that circuit board 10 upper surfaces and housing 1 oral area are isolated from the outside, also just played the effect of anti-sealing or dirt open circuit potential plate 10 and housing 1 oral area or entering housing 1 inner chamber.
When placing air or water to this waterproof microphone, the vibration signal of air or water can pass sound hole 2 and promote outer vibrating diaphragm 3 vibrations, understands synchronous vibrations thereupon with outer vibrating diaphragm 3 adjacent interior vibrating diaphragms 5.Like this, the vibration of interior vibrating diaphragm 5 also just directly causes the synchronous variation of plane-parallel capacitor voltage signal, and after the signal transmission through housing 1 and becket 9, circuit board 10 can carry out processing and amplifying and output with this voltage signal.This waterproof microphone through two membrane structures and hermetically-sealed construction, has been realized isolation fully extraneous and housing 1 inner chamber; Fundamentally solved the problem that extraneous steam or dust get into housing 1; Both can in air, use, also can in water, use, expand the range of application of microphone greatly.
In the present embodiment, back pole plate 8 is equipped with dead ring 14 with becket 9 outer cover.The main effect of dead ring 14; Be can back pole plate 8 peripheries, becket 9 peripheries and housing 1 inwall structurally be kept apart; Fundamentally stop back pole plate 8 peripheries, becket 9 peripheries and housing 1 inwall and touched and problem of short-circuit, improved the functional reliability of this waterproof microphone greatly.
Claims (3)
1. waterproof microphone; Comprise that the bottom is provided with the tubular shell (1) of sound hole (2); It is characterized in that: the sealing of housing (1) intracavity bottom is pasted with the outer vibrating diaphragm (3) that covers sound hole (2); Outer vibrating diaphragm (3) is provided with the interior vibrating diaphragm ring (4) with the coaxial setting of housing (1); Be pasted with interior vibrating diaphragm (5) on the end face of interior vibrating diaphragm ring (4) away from outer vibrating diaphragm (3); Scribble conducting resinl (6) between interior vibrating diaphragm (5) periphery and housing (1) inwall, interior vibrating diaphragm (5) limit, upper surface portion correspondence is provided with insulation gasket ring (7), and gasket ring (7) top is provided with the back pole plate (8) corresponding with interior vibrating diaphragm (5); Back pole plate (8) top is provided with the becket (9) that is electrically connected with back pole plate (8) limit, upper surface portion; Becket (9) top is provided with the circuit board (10) with the corresponding electrical connection of becket (9), housing (1) oral area be provided with above-mentioned each parts correspondence be pressed in housing (1) inner chamber and with the flange (11) of the corresponding electrical connection in circuit board (10) upper surface, scribble marine glue (12) on circuit board (10) upper surface and housing (1) oral area.
2. waterproof microphone as claimed in claim 1 is characterized in that: the periphery sealing of outer vibrating diaphragm (3) lower surface is pasted with outer vibrating diaphragm ring (13), and outer vibrating diaphragm ring (13) bottom sticks on the sealing of housing (1) inner bottom surface.
3. waterproof microphone as claimed in claim 2 is characterized in that: back pole plate (8) and becket (9) outer cover are equipped with dead ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220284533 CN202602873U (en) | 2012-06-18 | 2012-06-18 | Water-proof microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220284533 CN202602873U (en) | 2012-06-18 | 2012-06-18 | Water-proof microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202602873U true CN202602873U (en) | 2012-12-12 |
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ID=47320379
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220284533 Expired - Fee Related CN202602873U (en) | 2012-06-18 | 2012-06-18 | Water-proof microphone |
Country Status (1)
| Country | Link |
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| CN (1) | CN202602873U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021000214A1 (en) * | 2019-07-01 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
| WO2021000215A1 (en) * | 2019-07-01 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
| CN112689229A (en) * | 2020-12-29 | 2021-04-20 | 瑞声声学科技(深圳)有限公司 | Silicon-based microphone and manufacturing method thereof |
| CN113949971A (en) * | 2021-09-16 | 2022-01-18 | 头领科技（昆山）有限公司 | Underwater usable flat-panel earphone with adjustable double-ring hoop vibrating diaphragm tensioning mechanism |
| WO2023142762A1 (en) * | 2022-01-25 | 2023-08-03 | 青岛歌尔智能传感器有限公司 | Vibration assembly and manufacturing method therefor, bone voiceprint sensor, and electronic device |
-
2012
- 2012-06-18 CN CN 201220284533 patent/CN202602873U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021000214A1 (en) * | 2019-07-01 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
| WO2021000215A1 (en) * | 2019-07-01 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
| CN112689229A (en) * | 2020-12-29 | 2021-04-20 | 瑞声声学科技(深圳)有限公司 | Silicon-based microphone and manufacturing method thereof |
| CN113949971A (en) * | 2021-09-16 | 2022-01-18 | 头领科技（昆山）有限公司 | Underwater usable flat-panel earphone with adjustable double-ring hoop vibrating diaphragm tensioning mechanism |
| CN113949971B (en) * | 2021-09-16 | 2024-01-30 | 昆山海菲曼科技集团股份有限公司 | Underwater available flat earphone with adjustable double-hoop vibrating diaphragm tensioning mechanism |
| WO2023142762A1 (en) * | 2022-01-25 | 2023-08-03 | 青岛歌尔智能传感器有限公司 | Vibration assembly and manufacturing method therefor, bone voiceprint sensor, and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20140618 |
|
| EXPY | Termination of patent right or utility model |