CN201207729Y - Seat integrated case and capacitive microphone using the case - Google Patents
Seat integrated case and capacitive microphone using the case Download PDFInfo
- Publication number
- CN201207729Y CN201207729Y CNU2008200090794U CN200820009079U CN201207729Y CN 201207729 Y CN201207729 Y CN 201207729Y CN U2008200090794 U CNU2008200090794 U CN U2008200090794U CN 200820009079 U CN200820009079 U CN 200820009079U CN 201207729 Y CN201207729 Y CN 201207729Y
- Authority
- CN
- China
- Prior art keywords
- mentioned
- housing
- hole
- resin
- microphone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
-
- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- 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
- H04R1/086—Protective screens, e.g. all weather or wind screens
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model relates to a pedestal integrated shell body with meshes formed at an acoustic hole, and relates to a capacitance microphone using the pedestal integrated shell body. The shell body (110) of the utility model integrally comprises a shell body made of metal materials in the shape of a cylinder with one side open, an acoustic hole is arranged at the central part of the bottom side of the cylinder, meshes are formed on the acoustic hole, a resin through-hole is formed on the periphery of the bottom side for making the resin to pass through in the formation of insulating socket; a surface supporting part which is formed integrally with the shell body by embedded injection molding around the outer of the bottom side of the shell body; a lateral insulating part which is formed inside the shell body for taking the function of insulated pedestal, a vibration plate (120), a spacer ( 130 ), a backplate (140), a conductive socket base( 150) and a printing circuit board are arranged in the lateral insulating part. The capacitance microphone shell body of the utility model utilizes the supporting component to enhance the strength, avoid the badness during treating the components and enhance the strength after the capacitance microphone is assembled.
Description
Technical field
The utility model relates to capacitance microphone, specifically, relate to base integrated casing that is formed with mesh on the hole and the capacitance microphone that utilizes this base integrated casing (BASEINTEGRATED CASE AND CONDENSER MICROPHONE USING THE SAME).
Background technology
Usually, the capacitance microphone that is widely used in mobile communication terminal or sound equipment etc. is by constituting as the lower part: biased element; A pair of diaphragm/back-plate, it is used to form the capacitor (C) that changes accordingly with acoustic pressure (sound pressure); And field-effect transistor (JFET), it is used for buffer output signal.The capacitance microphone of this typical way is made in the following way: one is assembled oscillating plate, spacer ring, dead ring, backboard, conducting ring and printed circuit board (PCB) (PCB) afterwards in a housing, with the end curling (curling) of housing.
And, as shown in Figure 1a, general capacitance microphone housing 11 is formed with hole 11a a plurality of, in order to prevent that external dust etc. from flowing into the inner tonequality that causes of microphone by sound hole 11a and descending, shown in Fig. 1 b, after assembling finishes capacitance microphone, nonwoven fabrics 19 is attached to microphone casing body 11 outsides.Unaccounted Reference numeral 12 is that sept, 14 is that first base, 15 is that backboard, 16 is that second base, 17 is PCB for oscillating plate, 13 among Fig. 1 b.
But, nonwoven fabrics 19 is being attached under the situation of microphone casing body 11 outsides, not only need to append the manufacturing process that is used to adhere to nonwoven fabrics 19, but also exist nonwoven fabrics to expose the inconvenience that is brought, in order to address this is that, the housing of integrally formed mesh (mesh) on the sound hole 21a of microphone casing body 21 has been proposed as shown in Figure 2.
But, in order on the sound hole 21a of microphone casing body 21, directly to form mesh, in manufacturing process, preferably make thickness of shell thinner, but when making thickness of shell thin like this, have the problem of the support strength reduction of housing.
The utility model content
The utility model proposes in order to address the above problem, its purpose is, a kind of base integrated casing is provided and utilizes the capacitance microphone of this base integrated casing, wherein, on the sound hole of this housing, directly form mesh, can strengthen simultaneously the support force of housing, housing and insulator foot become one, thereby have improved assembling procedure.
To achieve these goals, the one-piece type microphone casing body of base of the present utility model, it is characterized in that, the one-piece type microphone casing body of this base is by constituting as the lower part one: the housing of metal material, this housing is the tubular of an opening, is provided with hole at the middle body of basal surface, and this is formed with mesh on the hole, periphery at above-mentioned basal surface is formed with resin by the hole, and this resin is used for when forming insulator foot resin being passed through by the hole; Face support portion, this face support portion are adopted and are embedded ejection formation (Insert Injection Molding) mode with above-mentioned housing moulding, are formed at the basal surface outside of above-mentioned housing; And lateral wall insulation portion, this lateral wall insulation portion is molded over above-mentioned enclosure interior, plays the effect of insulator foot.
Above-mentioned resin is provided with at least one by the hole, is preferably four, and the above-mentioned sound hole that is formed with mesh strengthens the support force of above-mentioned mesh by brace table.
And, in order to realize as above-mentioned purpose, capacitance microphone of the present utility model, it is characterized in that, this capacitance microphone has: the one-piece type microphone casing body of base, the one-piece type microphone casing body of this base is by the housing of metal material, face support portion and lateral wall insulation portion one constitute, this housing is the tubular of an opening, middle body at basal surface is provided with hole, this is formed with mesh on the hole, be formed with resin at the periphery of above-mentioned basal surface and pass through the hole, this resin is used for when forming insulator foot resin being passed through by the hole, and this face support portion is adopted and embedded injection molding method with above-mentioned housing moulding, is formed at the basal surface outside of above-mentioned housing, this lateral wall insulation portion is molded over above-mentioned enclosure interior, plays the effect of insulator foot; Oscillating plate, this oscillating plate are inserted in the lateral wall insulation portion inboard of above-mentioned housing, vibrate by the acoustic pressure of going into by above-mentioned sound orifice flow; Sept; Backboard, this backboard is separated by a distance by sept and above-mentioned oscillating plate, and opposed with above-mentioned oscillating plate; Conductive seat, this conductive seat make above-mentioned backboard conduct electricity to the PCB side; And above-mentioned PCB, this PCB is electrically connected with above-mentioned oscillating plate by the housing of above-mentioned metal material, is connected with above-mentioned backboard by above-mentioned conductive seat.
Description of drawings
Fig. 1 a is the figure that existing capacitance microphone housing is shown.
Fig. 1 b is the side cross-sectional view that existing capacitance microphone is shown.
Fig. 2 is the figure that another example of existing capacitance microphone housing is shown.
Fig. 3 a to Fig. 3 c is the figure that capacitance microphone housing of the present utility model is shown.
Fig. 4 is the side cross-sectional view that an example of capacitance microphone of the present utility model is shown.
Fig. 5 is another routine side cross-sectional view that capacitance microphone of the present utility model is shown.
Description of reference numerals
110: base integrated casing 112: housing
112a: the sound hole 112b that is formed with mesh: resin passes through the hole
114: strutting piece 114a: lateral wall insulation portion
114b: face support portion 120: oscillating plate
130: sept 140: backboard (back plate)
150: conductive seat 160:PCB
Embodiment
Describe preferred embodiment of the present utility model with reference to the accompanying drawings in detail.
[base integrated casing]
Fig. 3 a is plane graph and the side cross-sectional view that capacitance microphone housing of the present utility model is shown.Fig. 3 b is the stereogram of overlooking from upside.Fig. 3 c is the stereogram of looking up from downside.
The one-piece type capacitance microphone housing 110 of base of the present utility model is shown in Fig. 3 a to Fig. 3 c, by constituting: housing 112 as the lower part, this housing 112 is the tubular of an opening, the middle body of basal surface is provided with hole 112a, be formed with mesh on the 112a of this hole, the periphery of basal surface is formed with resin by hole 112b, and resin is used for when forming insulator foot resin being passed through by hole 112b; And strutting piece 114, this strutting piece 114 is made of face support portion 114b and the 114a of lateral wall insulation portion, this face support portion 114b adopts and embeds injection molding method with housing 112 moulding, the basal surface of support housing, and the 114a of this lateral wall insulation portion plays the effect of insulator foot in housing 112 inside.
With reference to Fig. 3 a to Fig. 3 c, base integrated casing 110 of the present utility model adopts and embeds the injection molding method manufacturing, the sound that the housing 112 of metal material is illustrated in figure 2 as the basal surface middle body is formed with the tube of the metal material of mesh on the 112a of hole, bottom surface perimeter at tube is formed with at least one preferred about four resin by hole 112b, resin is used for when embedding ejaculation resin being passed through by hole 112b, forms strutting piece by embedding ejection formation in enclosure interior and both sides external thus.
For the face support portion 114b of the strutting piece that is formed on housing basal surface outside, this face support portion 114b is formed on the basal surface of the sound hole 112a that is formed with mesh, thereby can prevent that foreign matter from flowing into and the enhancing casing rigidity.And; utilization forms the lateral wall insulation 114a of portion by the resin of housing by the resin that hole 112b puts into enclosure interior; this lateral wall insulation portion 114a inside is formed with the space that is used to install oscillating plate 120, sept 130, backboard 140, conductive seat 150 etc.; the 114a of this lateral wall insulation portion is close to housing 112 and protects a plurality of parts that are installed on the inner space; and will insulate between a plurality of parts and the housing, increase casing rigidity simultaneously.
It is as follows to utilize this base integrated casing of the present utility model to finish the example of capacitance microphone of assembling.
[utilizing an embodiment of the capacitance microphone of base integrated casing assembling]
Fig. 4 is the side cross-sectional view of an example of utilizing the capacitance microphone of base integrated casing of the present utility model assembling.Capacitance microphone of the present utility model is as follows: insert oscillating plate 120, sept 130, backboard 140 successively in base integrated casing 110, after the PCB supporting surface is formed with the conductive seat 150 and PCB 160 of alar part 150a laterally, curling to the inside shell end, thus assembling finished.
With reference to Fig. 4, the one-piece type capacitance microphone housing 110 of base as mentioned above, by constituting as the lower part one: the housing 112 of metal material, this housing 112 is the tubular of an opening, on the middle body of basal surface, be provided with hole 112a, be formed with mesh on the 112a of this hole; And strutting piece 114, this strutting piece 114 is made of face support portion 114b and the 114a of lateral wall insulation portion, this face support portion 114b adopts and embeds the injection molding method moulding, the basal surface of support housing, and the 114a of this lateral wall insulation portion plays the effect of insulator foot in enclosure interior.
And, be equipped with as the lower part in the 114a of lateral wall insulation portion of housing: oscillating plate 120, this oscillating plate 120 is made of polar ring and vibrating membrane; Sept 130; Backboard 140, this backboard 140 is separated by a distance by sept 130 and oscillating plate 120, and opposed with oscillating plate 120; Conductive seat 150, this conductive seat 150 make backboard 140 conduct electricity to the PCB side; And PCB 160, this PCB 160 is electrically connected with oscillating plate 120 sides by metal shell 112, and is connected with backboard 130 sides by conductive seat 150.
Especially in one embodiment, conductive seat 150 with the contact-making surface of PCB 160 on be formed with alar part 150a so that increase the contact area with PCB 160, part distortion when preventing to crispatura improves conductivity.And, PCB 160 and conductive seat 150 and backboard 140 form operatic tunes space, on PCB 160 medial surfaces, not shown circuit block is installed (for example, JFT etc.), be used for to change according to the static capacity that the vibration vibration of membrane causes being enlarged into the signal of telecommunication, be sent to the outside by the splicing ear (not shown) that is formed at the PCB160 lateral surface.
[utilizing another embodiment of the capacitance microphone of base integrated casing assembling]
Fig. 5 is the side cross-sectional view of another embodiment of utilizing the capacitance microphone of base integrated casing of the present utility model assembling.The structure of capacitance microphone of the present utility model is as follows: in base integrated casing 110, inserts successively after oscillating plate 120, sept 130, backboard 140, conductive seat 150 ' and the PCB 160, and the shell end of curling to the inside, thus finish assembling.
With reference to Fig. 5, if the capacitance microphone of the capacitance microphone of another embodiment of the utility model and an embodiment shown in Figure 4 is compared, then except conductive seat 150 ' formed the yi word pattern tube, other structure was identical.Therefore, omit repeat specification.
Be that example is illustrated with the cylindrical shape microphone in above embodiment, but this is an embodiment, the utility model also can directly apply on the microphone of other shapes such as microphone of polygonal shape.
Industrial applicibility
As mentioned above, in capacitance microphone housing of the present utility model, it is strong to utilize support member to improve Degree prevents that generation is bad when processing unit, and when the complete capacitance microphone of assembling, also can Improve intensity.
And, in the capacitance microphone that utilizes housing assembling of the present utility model to finish, be used for anti-End external dust or moisture and directly be integrally formed in shell by the mesh that the sound hole flow into microphone inside On the sound hole of body, nonwoven is exposed to hull outside or is inserted in the housing inboard thereby solved in the past The time problem that produces, can omit the inserting step of inserting insulator foot, simplified assembling procedure, Minimizing forms the required expense of mesh at housing.
Claims (5)
1, the one-piece type capacitance microphone housing of a kind of base is characterized in that, the one-piece type microphone casing body of this base is by constituting as the lower part one:
The housing of metal material, this housing is the tubular of an opening, is provided with hole at the middle body of basal surface, and this is formed with mesh on the hole, periphery at above-mentioned basal surface is formed with resin by the hole, and this resin is used for when forming insulator foot resin being passed through by the hole;
Face support portion, this face support portion are adopted and are embedded injection molding method with above-mentioned housing moulding, are formed at the basal surface outside of above-mentioned housing; And
Lateral wall insulation portion, this lateral wall insulation portion is molded over above-mentioned enclosure interior, plays the effect of insulator foot.
2, the one-piece type capacitance microphone housing of base according to claim 1 is characterized in that above-mentioned resin is provided with at least one by the hole, is preferably four.
3, the one-piece type capacitance microphone housing of base according to claim 1 is characterized in that, the support force of above-mentioned mesh is strengthened in the above-mentioned sound hole that is formed with mesh by brace table.
4, a kind of capacitance microphone that utilizes the base integrated casing is characterized in that,
This capacitance microphone has:
The one-piece type microphone casing body of base, the one-piece type microphone casing body of this base is by the housing of metal material, face support portion and lateral wall insulation portion one constitute, this housing is the tubular of an opening, middle body at basal surface is provided with hole, this is formed with mesh on the hole, be formed with resin at the periphery of above-mentioned basal surface and pass through the hole, this resin is used for when forming insulator foot resin being passed through by the hole, this face support portion is adopted and is embedded injection molding method with above-mentioned housing moulding, be formed at the basal surface outside of above-mentioned housing, this lateral wall insulation portion is molded over above-mentioned enclosure interior, plays the effect of insulator foot;
Oscillating plate, this oscillating plate are inserted in the lateral wall insulation portion inboard of above-mentioned housing, vibrate by the acoustic pressure of going into by above-mentioned sound orifice flow;
Sept;
Backboard, this backboard is separated by a distance by above-mentioned sept and above-mentioned oscillating plate, and opposed with above-mentioned oscillating plate;
Conductive seat, this conductive seat make above-mentioned backboard conduct electricity to printed circuit board side; And
Above-mentioned printed circuit board (PCB), this printed circuit board (PCB) is electrically connected with above-mentioned oscillating plate by the housing of above-mentioned metal material, is connected with above-mentioned backboard side by above-mentioned conductive seat.
5, the capacitance microphone that utilizes the base integrated casing according to claim 4, it is characterized in that, above-mentioned conductive seat with the contact-making surface of above-mentioned printed circuit board (PCB) on be formed with alar part, to increase the contact area with above-mentioned printed circuit board (PCB), part distortion when preventing to crispatura improves conductivity.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070051578A KR100908134B1 (en) | 2007-05-28 | 2007-05-28 | Base integrated case and condenser microphone using the same |
| KR1020070051578 | 2007-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201207729Y true CN201207729Y (en) | 2009-03-11 |
Family
ID=40366187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200090794U Expired - Fee Related CN201207729Y (en) | 2007-05-28 | 2008-04-15 | Seat integrated case and capacitive microphone using the case |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100908134B1 (en) |
| CN (1) | CN201207729Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348152A (en) * | 2010-07-28 | 2012-02-08 | 宝星电子股份有限公司 | Multifunctional speaker using mesh cover |
| CN104349252A (en) * | 2013-08-01 | 2015-02-11 | 康而富控股股份有限公司 | Miniaturized loudspeaker and manufacture method thereof |
| CN105163226A (en) * | 2014-06-06 | 2015-12-16 | 苏州宝时得电动工具有限公司 | Audio equipment |
| WO2016095107A1 (en) * | 2014-12-16 | 2016-06-23 | 华为技术有限公司 | Microphone kit and electronic device |
| CN107690013A (en) * | 2017-09-30 | 2018-02-13 | 广东欧珀移动通信有限公司 | The housing unit of terminal and there is its terminal |
| CN107707709A (en) * | 2017-09-30 | 2018-02-16 | 广东欧珀移动通信有限公司 | The housing unit of terminal and there is its terminal |
| CN112468906A (en) * | 2020-12-18 | 2021-03-09 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box and assembling process thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3574774B2 (en) | 2000-03-22 | 2004-10-06 | ホシデン株式会社 | Electret condenser microphone |
| KR100615391B1 (en) | 2005-02-21 | 2006-08-25 | 주식회사 비에스이 | Electret condenser microphone fabrication method |
| KR100758510B1 (en) * | 2005-07-07 | 2007-09-13 | 주식회사 비에스이 | Semi-Conductor Base, Condenser Microphpne having Semi-Conductor Base and Assembly Methode thereof |
-
2007
- 2007-05-28 KR KR1020070051578A patent/KR100908134B1/en not_active IP Right Cessation
-
2008
- 2008-04-15 CN CNU2008200090794U patent/CN201207729Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348152A (en) * | 2010-07-28 | 2012-02-08 | 宝星电子股份有限公司 | Multifunctional speaker using mesh cover |
| CN104349252A (en) * | 2013-08-01 | 2015-02-11 | 康而富控股股份有限公司 | Miniaturized loudspeaker and manufacture method thereof |
| CN104349252B (en) * | 2013-08-01 | 2018-10-12 | 康而富控股股份有限公司 | Micro loudspeaker production method |
| CN105163226A (en) * | 2014-06-06 | 2015-12-16 | 苏州宝时得电动工具有限公司 | Audio equipment |
| CN105163226B (en) * | 2014-06-06 | 2023-10-20 | 苏州宝时得电动工具有限公司 | Audio apparatus |
| WO2016095107A1 (en) * | 2014-12-16 | 2016-06-23 | 华为技术有限公司 | Microphone kit and electronic device |
| CN107690013A (en) * | 2017-09-30 | 2018-02-13 | 广东欧珀移动通信有限公司 | The housing unit of terminal and there is its terminal |
| CN107707709A (en) * | 2017-09-30 | 2018-02-16 | 广东欧珀移动通信有限公司 | The housing unit of terminal and there is its terminal |
| CN107707709B (en) * | 2017-09-30 | 2020-04-14 | Oppo广东移动通信有限公司 | Shell assembly of terminal and terminal with same |
| CN112468906A (en) * | 2020-12-18 | 2021-03-09 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box and assembling process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100908134B1 (en) | 2009-07-16 |
| KR20080104596A (en) | 2008-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201207729Y (en) | Seat integrated case and capacitive microphone using the case | |
| KR200330089Y1 (en) | Integrated base and electret condenser microphone using the same | |
| US10397718B2 (en) | Vibration diaphragm and manufacturing method thereof | |
| CN201197187Y (en) | Vibration plate forming air groove and capacitance microphone using the same | |
| CN201094164Y (en) | Condenser microphone with vibration-proof and moisture-proof units on sound hole of housing | |
| EP2116101A1 (en) | Stray capacitance reduced condenser microphone | |
| KR100675510B1 (en) | Dual base and electret condenser microphone using the same | |
| CN212785820U (en) | Vibrating diaphragm subassembly and speaker | |
| KR100549188B1 (en) | Integrated base and electret condenser microphone using the same | |
| CN102291660A (en) | Miniature capacitive microphone | |
| KR100797438B1 (en) | Microphone without curling process and method of assemblying the microphone | |
| KR100542178B1 (en) | Electret condenser microphone | |
| KR20060129764A (en) | Conductive base of condenser microphone and condenser microphone using the same | |
| CN201094162Y (en) | Condenser microphone | |
| CN103561373A (en) | Front-pole type capacitor microphone | |
| CN202059572U (en) | An electret capacitor microphone | |
| KR100758838B1 (en) | A square condenser microphone | |
| KR100544277B1 (en) | Case making a stair and electret condenser microphone using the same | |
| CN109951780A (en) | A kind of microphone | |
| CN201479362U (en) | Electret capacitance microphone | |
| CN217388924U (en) | Box body structure of sound box | |
| CN204482037U (en) | A kind of microphone board structure of circuit | |
| CN201479363U (en) | Capacitor type microphone | |
| JP2003018696A (en) | Electret capacitor microphone | |
| KR100606165B1 (en) | Multi hole Diaphragm For Microphone And Condenser Microphone Using the Same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090311 Termination date: 20140415 |