CN202111854U - Miniature sound producing device - Google Patents
Miniature sound producing device Download PDFInfo
- Publication number
- CN202111854U CN202111854U CN2011201961864U CN201120196186U CN202111854U CN 202111854 U CN202111854 U CN 202111854U CN 2011201961864 U CN2011201961864 U CN 2011201961864U CN 201120196186 U CN201120196186 U CN 201120196186U CN 202111854 U CN202111854 U CN 202111854U
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- China
- Prior art keywords
- voice coil
- mini
- sound device
- loudspeaker voice
- coil loudspeaker
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- 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 - Lifetime
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- 239000012634 fragment Substances 0.000 claims description 22
- 238000005452 bending Methods 0.000 claims description 10
- 230000000994 depressogenic effect Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010011469 Crying Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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Abstract
The utility model provides a miniature sound producing device, which comprises a basin frame, a vibration diaphragm arranged on the basin frame, and a speech coil connected with the vibration diaphragm. The vibration diaphragm is provided with a globe top part and a bent ring part, wherein the globe top part comprises a body part and a supporting part; the supporting part is provided with an upper surface and a lower surface; the speech coil is connected with the lower surface; and the bent ring part is provided with a sunk part, a first fixing part and a second fixing part. The miniature sound producing device is further provided with an elastic sheet which is electrically connected with the speech coil and is further attached on the lower surface of the supporting part. Compared with the prior art, the miniature sound producing component provided by the utility model has a better pure tone effect and more stable performance.
Description
[technical field]
The utility model relates to a kind of microphone device, relates in particular to a kind of mini-sound device that is used in portable communication device.
[background technology]
Be miniaturization, the multifunction development that adapts to various stereo sets and information communication device; Employed mini-sound device is in requisition for being tending towards miniaturization more in this kind equipment; And compact more with cooperating of said other elements of mini-sound device periphery, particularly along with the lightening growth requirement of mobile phone, wherein employed mini-sound device; Not only require miniaturization, more require high pitch materialization and stereo etc.
The mini-sound device of correlation technique, it comprises the basin frame, places vibrating diaphragm and the voice coil loudspeaker voice coil that links to each other with vibrating diaphragm on the basin frame.Said voice coil loudspeaker voice coil is provided with speech coil framework, winding on said speech coil framework voice coil line and by the extended voice coil leads of said voice coil line, drive the vibrating diaphragm vibration thereby said voice coil leads is input to voice coil loudspeaker voice coil with external electric signal.
Yet said voice coil leads has regular length, when said voice coil loudspeaker voice coil drives the vibration of said vibrating diaphragm; Said voice coil leads is and then vibration also; If said vibrating diaphragm amplitude is excessive, said voice coil leads is prone to pull said voice coil loudspeaker voice coil, thereby makes that the mini-sound device of technology produces noise mutually.Even in pullling process, can make said voice coil leads fracture, and then have influence on the reliability of correlation technique mini-sound device.
Therefore, practical necessity provides a kind of new mini-sound device to address the above problem.
[utility model content]
The technical problem that the utility model need solve provides a kind of pure tone better effects if, the mini-sound device that performance is more stable.
According to above-mentioned technical problem, designed a kind of mini-sound device, its objective is such realization: a kind of mini-sound device, it comprises the basin frame, places vibrating diaphragm and the voice coil loudspeaker voice coil that links to each other with said vibrating diaphragm on the said basin frame.The ring portion that said vibrating diaphragm is provided with the ball top and is fixedly linked with said ball top.Wherein, Said ball top comprise body and by said body to the support portion of extending away from the direction of said body; Said support portion is provided with away from the upper surface of said voice coil loudspeaker voice coil and the lower surface that is oppositely arranged with said upper surface, and said voice coil loudspeaker voice coil links to each other with said lower surface.Said ring portion is provided with depressed part, is fixed on first fixed part on the said basin frame and is fixed on second fixed part of the upper surface of said support portion by what extended respectively at said depressed part two ends, and said mini-sound device also is provided with to be with said voice coil loudspeaker voice coil and electrically connects and be sticked at the shell fragment of said support portion lower surface.
Preferably, said shell fragment is provided with circuit layer, and said voice coil loudspeaker voice coil is electrically connected to external circuit through said circuit layer.
Preferably; Said shell fragment be provided with the connecting portion that is connected with said voice coil loudspeaker voice coil, by said connecting portion along the peripheral bending of said voice coil loudspeaker voice coil extend and unsettled elastic portion, by said elastic portion to continuation of extending and the 3rd fixed part that extends by said continuation bending away from said voice coil loudspeaker voice coil direction bending; Said basin frame is provided with draw-in groove; Said continuation places in the said draw-in groove, and said the 3rd fixed part is fixed on the said basin frame and exposes.
Preferably, said the 3rd fixed part is vertical with said continuation.
Preferably, said elastic portion is extended in the middle of said connecting portion.
Preferably, said shell fragment is provided with two and mutually insulated between it.
Preferably, said elastic portion is about the geometric center symmetry of said voice coil loudspeaker voice coil.
Preferably, said elastic portion length is 1/3rd of said voice coil loudspeaker voice coil outer perimeter.
Preferably, the depressed part of said ring portion is to the direction depression away from said basin frame.
Compare with correlation technique, the utility model mini-sound device pure tone better effects if, performance is more stable.
[description of drawings]
Fig. 1 is the part stereochemical structure exploded view of the utility model mini-sound device.
Fig. 2 is the three-dimensional structure diagram of the utility model mini-sound device.
Fig. 3 is the cutaway view of Fig. 2 along the A-A line.
[embodiment]
Below in conjunction with accompanying drawing and execution mode the utility model is described further.
Shown in Fig. 1-3, a kind of mini-sound device 1, it comprises basin frame 2, places vibrating diaphragm 3 and the voice coil loudspeaker voice coil 4 that links to each other with vibrating diaphragm 3 on the basin frame 2.The ring portion 32 that vibrating diaphragm 3 is provided with ball top 31 and is fixedly linked with ball top 31.Wherein, Ball top 31 comprise body 311 and by body 311 to the support portion 312 of extending away from the direction of body 311; Support portion 312 is provided with away from the upper surface 3121 of voice coil loudspeaker voice coil 4 and the lower surface 3122 that is oppositely arranged with upper surface 3121, and voice coil loudspeaker voice coil 4 links to each other with lower surface 3121.Ring portion 32 is provided with depressed part 321, is fixed on first fixed part 322 on the basin frame 2 and is fixed on second fixed part 323 of support portion 312 upper surfaces 3121 by what extended respectively at depressed part 321 two ends.Concrete, in this execution mode, the depressed part 321 of ring portion 32 is to the direction depression away from basin frame 2.Certainly, depressed part 321 also is feasible to the direction depression near basin frame 2.
Mini-sound device 1 also is provided with to be with voice coil loudspeaker voice coil 4 and electrically connects and the shell fragment 5 of 312 the lower surface 3122 of being sticked in the support portion, and shell fragment 5 is provided with circuit layer, and voice coil loudspeaker voice coil 4 and circuit layer form and be electrically connected and pass through circuit layer and external circuit connection.Concrete, voice coil loudspeaker voice coil 4 comprises speech coil framework 41 and the voice coil line 42 of winding on speech coil framework 41, voice coil line 42 directly forms with said circuit layer and is electrically connected, and saves voice coil leads (not shown) structure.Promptly external circuit signals is introduced the function of voice coil loudspeaker voice coil 4 with the voice coil leads in the shell fragment 5 realization relative technological products.In this execution mode, voice coil loudspeaker voice coil 4 is connected ball top 31, be sticked in the support portion 312 lower surface 3122 of shell fragment 5; When voice coil loudspeaker voice coil 4 fed alternating current, voice coil loudspeaker voice coil 4 can be because the effect in magnetic field produces motion, along with the variation of the sense of current; This motion also can change thereupon, moves up and down thereby drive vibrating diaphragm 3, and the actuating force of voice coil loudspeaker voice coil 4 directly affacts on the vibrating diaphragm 3 like this; The vibration of shell fragment 5 also acts directly on the vibrating diaphragm 3, guarantees that vibrating diaphragm 3 obtains enough actuating forces.
Concrete; Shell fragment 5 be provided with the connecting portion 51 that is connected with voice coil loudspeaker voice coil 4, by connecting portion 51 along the periphery bending of voice coil loudspeaker voice coil 4 extend and unsettled elastic portion 52, by elastic portion 52 to the continuation 53 of extending away from the bending of voice coil loudspeaker voice coil 4 directions and by continuation 53 bendings extend and the 3rd fixed part 54, the three fixed parts 54 that are fixed on the basin frame 2 mutual vertical with continuation 53.Basin frame 2 is provided with draw-in groove 21, and continuation 53 places in the draw-in groove 21, and the 3rd fixed part 54 is fixed on the basin frame 2 and exposes.Exposing in this execution mode is meant that the 3rd fixed part 54 exposes to basin frame 2, can be used as conducting terminal like this and is connected with external circuit more easily.In fact, continuation 53 is according to the structure bending extension of basin frame 2 and is fastened in the draw-in groove 54 that continuation 53 can be vertical each other with elastic portion 52, also can be positioned at same plane, but its principle is all the same.
In this execution mode, the connecting portion 51 of shell fragment 5 is connected the end near ball top 31 of voice coil loudspeaker voice coil 4, and is concrete, and the connecting portion 51 of shell fragment 5 is connected the periphery near the end at ball top 31 of speech coil framework 41.Shell fragment 5 such settings not only can be played a supporting role to the ball top 31 of vibrating diaphragm 3, and bigger oscillation space can also be arranged.More excellent, elastic portion 52 is extended in the middle of connecting portion 51, and its length is 1/3rd of voice coil loudspeaker voice coil 4 outer perimeters.In fact, the length of elastic portion 52 also is not limited to this, as long as guarantee that elastic portion 52 has the better elastic scope.Shell fragment 5 is provided with two and mutually insulated between it, and the 3rd fixed part 54 of two shell fragments 5 promptly forms the two poles of the earth of two circuit, and then forms the loop.Elastic portion 52 is about the geometric center symmetry of voice coil loudspeaker voice coil 4.This being symmetrical set makes the vibration of voice coil loudspeaker voice coil 4 more stable.Certainly, the position relation between the shell fragment 5 is not limited to this, also can be asymmetric, but its principle is all the same.
Compare with correlation technique; The mini-sound device of the utility model has increased the elastic piece structure that is provided with circuit layer; Promptly realized the effect of the voice coil leads in the correlation technique with shell fragment; Fracture causes the product generation of phenomenon of crying out when having prevented that relative technological products from vibrating because of voice coil leads, and has avoided pullling voice coil loudspeaker voice coil because of voice coil leads and produce noise.The all right effective support voice coil loudspeaker voice coil of shell fragment prevents that the phenomenon of vibration imbalance and breakage from appearring in vibrating diaphragm, thereby improves the performance of mini-sound device.
Above-described only is the execution mode of the utility model; Should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite that does not break away from the utility model creation design; Can also make improvement, but these all belong to the protection range of the utility model.
Claims (9)
1. mini-sound device; It comprises the basin frame, places vibrating diaphragm and the voice coil loudspeaker voice coil that links to each other with said vibrating diaphragm on the said basin frame; The ring portion that said vibrating diaphragm is provided with the ball top and is fixedly linked with said ball top; It is characterized in that: said ball top comprise body and by said body to the support portion of extending away from the direction of said body; Said support portion is provided with away from the upper surface of said voice coil loudspeaker voice coil and the lower surface that is oppositely arranged with said upper surface; Said voice coil loudspeaker voice coil links to each other with said lower surface, and said ring portion is provided with depressed part, is fixed on first fixed part on the said basin frame and is fixed on second fixed part of the upper surface of said support portion by what extended respectively at said depressed part two ends, and said mini-sound device also is provided with to be with said voice coil loudspeaker voice coil and electrically connects and be sticked at the shell fragment of said support portion lower surface.
2. mini-sound device according to claim 1 is characterized in that: said shell fragment is provided with circuit layer, and said voice coil loudspeaker voice coil is electrically connected to external circuit through said circuit layer.
3. mini-sound device according to claim 2; It is characterized in that: said shell fragment be provided with the connecting portion that is connected with said voice coil loudspeaker voice coil, by said connecting portion along the peripheral bending of said voice coil loudspeaker voice coil extend and unsettled elastic portion, by said elastic portion to continuation of extending and the 3rd fixed part that extends by said continuation bending away from said voice coil loudspeaker voice coil direction bending; Said basin frame is provided with draw-in groove; Said continuation places in the said draw-in groove, and said the 3rd fixed part is fixed on the said basin frame and exposes.
4. mini-sound device according to claim 3 is characterized in that: said the 3rd fixed part is vertical with said continuation.
5. mini-sound device according to claim 4 is characterized in that: said elastic portion is extended in the middle of said connecting portion.
6. mini-sound device according to claim 5 is characterized in that: said shell fragment is provided with two and mutually insulated between it.
7. mini-sound device according to claim 6 is characterized in that: said elastic portion is about the geometric center symmetry of said voice coil loudspeaker voice coil.
8. mini-sound device according to claim 7 is characterized in that: said elastic portion length is 1/3rd of said voice coil loudspeaker voice coil outer perimeter.
9. mini-sound device according to claim 8 is characterized in that: the depressed part of said ring portion is to the direction depression away from said basin frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201961864U CN202111854U (en) | 2011-06-10 | 2011-06-10 | Miniature sound producing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201961864U CN202111854U (en) | 2011-06-10 | 2011-06-10 | Miniature sound producing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202111854U true CN202111854U (en) | 2012-01-11 |
Family
ID=45437303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201961864U Expired - Lifetime CN202111854U (en) | 2011-06-10 | 2011-06-10 | Miniature sound producing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202111854U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013143262A1 (en) * | 2012-03-31 | 2013-10-03 | 歌尔声学股份有限公司 | Micro loudspeaker and electronic device using same |
| CN107409260A (en) * | 2015-02-11 | 2017-11-28 | 奥音科技（北京）有限公司 | Electrodynamic transducer under ultrasound mode |
| CN109379679A (en) * | 2018-09-30 | 2019-02-22 | 瑞声科技(新加坡)有限公司 | Microphone device |
-
2011
- 2011-06-10 CN CN2011201961864U patent/CN202111854U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013143262A1 (en) * | 2012-03-31 | 2013-10-03 | 歌尔声学股份有限公司 | Micro loudspeaker and electronic device using same |
| US9307306B2 (en) | 2012-03-31 | 2016-04-05 | Goertek Inc. | Micro loudspeaker and electronic device using same |
| CN107409260A (en) * | 2015-02-11 | 2017-11-28 | 奥音科技（北京）有限公司 | Electrodynamic transducer under ultrasound mode |
| CN109379679A (en) * | 2018-09-30 | 2019-02-22 | 瑞声科技(新加坡)有限公司 | Microphone device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170406 Address after: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8 Patentee after: AAC Technologies (Singapore) Co., Ltd. Patentee after: AAC Optoelectronic (Changzhou) Co., Ltd. Address before: Wujin Nanxiashu town Jiangsu city Changzhou province 213167 Patentee before: AAC Optoelectronic (Changzhou) Co., Ltd. Patentee before: AAC Acoustic Technologies (Shenzhen) Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181015 Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Patentee after: AAC Technologies (Singapore) Co., Ltd. Address before: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8 Co-patentee before: AAC Optoelectronic (Changzhou) Co., Ltd. Patentee before: AAC Technologies (Singapore) Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120111 |
|
| CX01 | Expiry of patent term |