CN102970643B - Microspeaker - Google Patents
Microspeaker Download PDFInfo
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- CN102970643B CN102970643B CN201210499555.6A CN201210499555A CN102970643B CN 102970643 B CN102970643 B CN 102970643B CN 201210499555 A CN201210499555 A CN 201210499555A CN 102970643 B CN102970643 B CN 102970643B
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- voice coil
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- coil loudspeaker
- loudspeaker voice
- lead
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Abstract
The invention discloses a kind of Microspeaker, relate to electro-acoustic product technical field, the protecgulum comprising shell and be combined with described shell, vibrational system and magnetic circuit system is contained in the cavity that described shell and described protecgulum surround, described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, the lead-in wire of described voice coil loudspeaker voice coil comprises and going between with the voice coil loudspeaker voice coil body of described voice coil loudspeaker voice coil one, described voice coil loudspeaker voice coil body lead-in wire is connected with voice coil loudspeaker voice coil by conductive component and extends lead-in wire, and described voice coil loudspeaker voice coil extends the conductive material that the material gone between is the material good toughness than described voice coil loudspeaker voice coil body lead-in wire.The invention solves the technical problem of existing Microspeaker voice coil leads easy fracture.Voice coil leads good toughness of the present invention, intensity is large, not easily ruptures, thus improves the reliability of Microspeaker, and extend the useful life of Microspeaker.
Description
Technical field
The present invention relates to electro-acoustic product technical field, particularly a kind of Microspeaker.
Background technology
Along with the fast development of portable type electronic product, the Microspeaker as the important acoustical device in portable type electronic product is widely used especially.Microspeaker generally includes and is contained in vibrational system in shell and magnetic circuit system, and vibrational system comprises the vibrating diaphragm and voice coil loudspeaker voice coil that set gradually, and voice coil loudspeaker voice coil is connected with the voice coil loudspeaker voice coil outlet terminal on shell by voice coil leads, in order to connect the external circuit of Microspeaker.The operation principle of Microspeaker passes into alternating current to voice coil loudspeaker voice coil, moves reciprocatingly under the magnetic fields that magnetic circuit system produces relative to magnetic circuit system, and voice coil loudspeaker voice coil drives vibrating diaphragm to vibrate together, and vibrating diaphragm is instigated air and sends corresponding sound.
In prior art, the voice coil leads of Microspeaker is generally the tap of the wire rod of coiling voice coil loudspeaker voice coil, wire rod due to coiling voice coil loudspeaker voice coil is generally thinner enamelled wire, the toughness of wire rod is poor, be easy to by high vibration or when working long hours the fracture causing voice coil leads at loud speaker, cause the electrical connection of Microspeaker bad, thus the serious reliability reducing Microspeaker, shorten the useful life of Microspeaker greatly.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Microspeaker, the voice coil leads good toughness of this Microspeaker, not easy fracture, and then this Microspeaker reliability is high, long service life.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of Microspeaker, the protecgulum comprising shell and be combined with described shell, vibrational system and magnetic circuit system is contained in the cavity that described shell and described protecgulum surround, described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, the lead-in wire of described voice coil loudspeaker voice coil comprises and going between with the voice coil loudspeaker voice coil body of described voice coil loudspeaker voice coil one, described voice coil loudspeaker voice coil body lead-in wire is connected with voice coil loudspeaker voice coil by conductive component and extends lead-in wire, and described voice coil loudspeaker voice coil extends the conductive material that the material gone between is the material good toughness than described voice coil loudspeaker voice coil body lead-in wire.
Improve as one, described vibrating diaphragm comprises the outer vibrating diaphragm of annular and is located at the interior vibrating diaphragm of described outer vibrating diaphragm inside.
As further improvement, described conductive component comprises the annular brace arranged near described interior vibrating diaphragm, and described annular brace is provided with the pad for being electrically connected described voice coil loudspeaker voice coil body lead-in wire and voice coil loudspeaker voice coil prolongation lead-in wire.
As further improvement, described brace is square, and described pad is arranged on the bight of described brace.
As further improvement, described brace is rectangle.
As further improvement, described brace is FPCB, and four bights of described brace are equipped with described pad, and two the described pads be positioned on the same long limit of described brace connect for same circuit.
As further improvement, described voice coil loudspeaker voice coil body lead-in wire extends with described voice coil loudspeaker voice coil two the described pads going between and be individually connected and be positioned on same circuit.
As further improvement, described brace is hard plastic sheet, is at least that two bights be positioned on the same minor face of described brace are respectively provided with a described pad, and described voice coil loudspeaker voice coil body lead-in wire extends to go between with described voice coil loudspeaker voice coil and is connected same described pad simultaneously.
As further improvement, described conductive component comprises the pad for being electrically connected described voice coil loudspeaker voice coil body lead-in wire and voice coil loudspeaker voice coil prolongation lead-in wire being arranged at described interior vibrating diaphragm edge.
As further improvement, described voice coil loudspeaker voice coil extends lead-in wire for the one in flexible circuit board, bright and beautiful silk thread and overstriking enamelled wire.
Beneficial effect of the present invention is: Microspeaker of the present invention, comprise shell and fasten with shell the protecgulum be integrated, vibrational system and magnetic circuit system is contained in the cavity that shell and protecgulum surround, vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, voice coil leads comprise with voice coil loudspeaker voice coil one voice coil loudspeaker voice coil body go between, voice coil loudspeaker voice coil body lead-in wire is connected with voice coil loudspeaker voice coil by conductive component and extends lead-in wire, and voice coil loudspeaker voice coil extends the conductive material that the material gone between is the material good toughness than voice coil loudspeaker voice coil body lead-in wire.Owing to voice coil leads be divide into voice coil loudspeaker voice coil body lead-in wire and voice coil loudspeaker voice coil prolongation lead-in wire two parts, and voice coil loudspeaker voice coil prolongation lead-in wire have employed the good conductive material of toughness, thus add the intensity of voice coil leads, ensure that loud speaker by high vibration or work long hours time voice coil leads can not rupture, and then ensure that the electrical connection of Microspeaker is good, improve the reliability of Microspeaker greatly, extend the useful life of Microspeaker.
In sum, Microspeaker of the present invention solves the technical problem of Microspeaker voice coil leads easy fracture in prior art.The voice coil leads good toughness of Microspeaker of the present invention, intensity is large, not easily ruptures, thus improves the reliability of Microspeaker, and extend the useful life of Microspeaker.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing structural representation of Microspeaker embodiment one of the present invention;
Fig. 2 be the voice coil loudspeaker voice coil of Microspeaker embodiment one of the present invention and link in conjunction with schematic diagram;
Fig. 3 is the voice coil leads connection diagram of Microspeaker embodiment one of the present invention;
Fig. 4 is the stereo decomposing structural representation of Microspeaker embodiment two of the present invention;
Fig. 5 be the voice coil loudspeaker voice coil of Microspeaker embodiment two of the present invention and link in conjunction with schematic diagram;
Fig. 6 is the voice coil leads connection diagram of Microspeaker embodiment two of the present invention;
Fig. 7 is the stereo decomposing structural representation of Microspeaker embodiment three of the present invention;
Fig. 8 is the interior diaphragm structure schematic diagram of Microspeaker embodiment three of the present invention;
Fig. 9 be the voice coil loudspeaker voice coil of Microspeaker embodiment three of the present invention and interior vibrating diaphragm in conjunction with schematic diagram;
Figure 10 is the voice coil leads connection diagram of Microspeaker embodiment three of the present invention;
In figure: 11, protecgulum, 12, shell, 211, outer vibrating diaphragm, 212a; 212b, interior vibrating diaphragm, 22a; 22b, brace, 221, conduction region, 23, voice coil loudspeaker voice coil, 241, voice coil loudspeaker voice coil body lead-in wire, 242, voice coil loudspeaker voice coil extends lead-in wire, 311, outer washer, 312, interior washer, 321, external magnet, 322, internal magnet, 33, magnetic conductive board, 4, pad, 5, voice coil loudspeaker voice coil outlet terminal.
Embodiment
Below in conjunction with drawings and Examples, set forth the present invention further.
Embodiment one:
As Fig. 1, Fig. 2 and Fig. 3 jointly shown in, a kind of Microspeaker, comprise shell 12 and fasten with shell 12 protecgulum 11 be integrated, shell 12 is provided with voice coil loudspeaker voice coil outlet terminal 5, vibrational system and magnetic circuit system is contained in the cavity that shell 12 and protecgulum 11 surround, vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil 23, vibrating diaphragm comprises the outer vibrating diaphragm 211 of annular and is located at the interior vibrating diaphragm 212a of outer vibrating diaphragm 211 inside, the lead-in wire of voice coil loudspeaker voice coil 23 comprises and goes between 241 with the voice coil loudspeaker voice coil body of voice coil loudspeaker voice coil 23 one, voice coil loudspeaker voice coil body lead-in wire 241 is connected with voice coil loudspeaker voice coil by conductive component and extends lead-in wire 242, the material of voice coil loudspeaker voice coil prolongation lead-in wire 242 is the conductive material of the material good toughness than voice coil loudspeaker voice coil body lead-in wire 241, such as bright and beautiful silk thread, the enamelled wire thicker than voice coil loudspeaker voice coil body lead-in wire 241, alloy enamelled wire and FPCB(flexible circuit board) etc., voice coil loudspeaker voice coil extends lead-in wire 242 and is connected with voice coil loudspeaker voice coil outlet terminal 5.Owing to voice coil leads be divide into voice coil loudspeaker voice coil body lead-in wire 241 and voice coil loudspeaker voice coil prolongation lead-in wire 242 two parts, and voice coil loudspeaker voice coil prolongation lead-in wire 242 have employed the good conductive material of toughness such as bright and beautiful silk thread, enamelled wire, alloy enamelled wire and the FPCB thicker than voice coil loudspeaker voice coil body lead-in wire 241, thus add the intensity of voice coil leads, ensure that loud speaker by high vibration or work long hours time voice coil leads can not rupture, and then ensure that the electrical connection of Microspeaker is good, improve the reliability of Microspeaker greatly, extend the useful life of Microspeaker.
Conductive component comprises the annular brace 22a arranged near interior vibrating diaphragm 212a, and brace 22a is rectangular FPCB, and four bights of brace 22a are equipped with the pad 4 for being electrically connected voice coil loudspeaker voice coil body lead-in wire 241 and voice coil loudspeaker voice coil prolongation lead-in wire 242.Two pads 4 be positioned on the same long limit of brace 22a connect for same circuit by the conduction region 221 on FPCB, a voice coil loudspeaker voice coil body lead-in wire 241 of voice coil loudspeaker voice coil 23 connects the pad 4 be positioned on same circuit, voice coil loudspeaker voice coil extends lead-in wire 242 and connects another pad 4 be positioned on above-mentioned same circuit, thus the voice coil loudspeaker voice coil outlet terminal 5 voice coil loudspeaker voice coil 23 is connected to by voice coil loudspeaker voice coil body lead-in wire 241, brace 22a and voice coil loudspeaker voice coil prolongation lead-in wire 242 on shell 12, enhance the intensity of voice coil leads.
The present embodiment is that four bights of brace 22a have been equipped with pad 4 and constitute two circuit, also only pad 4 can be provided with being positioned at two bights on the same minor face of brace 22a, then voice coil loudspeaker voice coil body lead-in wire 241 and voice coil loudspeaker voice coil are extended lead-in wire 242 and be connected same pad 4 simultaneously, the function be connected with the voice coil loudspeaker voice coil outlet terminal 5 on shell 12 by voice coil loudspeaker voice coil 23 can be played equally.
Magnetic circuit system comprises magnetic conductive board 33, and magnetic conductive board 33 combines with shell 12, and the inner side of magnetic conductive board 33 is provided with external magnet 321 and is arranged at the internal magnet 322 of external magnet 321 inside, and external magnet 321 and internal magnet 322 are respectively equipped with outer washer 311 and interior washer 312.Internal magnet 322 and interior washer 312 form internal magnetic circuit, external magnet 321 and outer washer 311 form external magnetic circuit, magnetic gap is formed between internal magnetic circuit and external magnetic circuit, one end of voice coil loudspeaker voice coil 23 is inserted in magnetic gap, and move reciprocatingly along the bearing of trend of magnetic gap, thus drive diaphragm oscillations, send corresponding sound.
Embodiment two:
As Fig. 4, Fig. 5 and Fig. 6 jointly shown in, the main distinction of present embodiment and embodiment one is: brace 22b is hard plastic sheet, four bights of brace 22b all form pad 4 by conductive processing, conductive processing can adopt and make it be formed as pad 4 at the bight of brace 22b plating painting electric conducting material, or at the bight bonded metal sheet of brace 22b as pad 4, voice coil loudspeaker voice coil body lead-in wire 241 extends lead-in wire 242 with voice coil loudspeaker voice coil and is connected same pad 4 simultaneously.
The present embodiment is the structure that four bights of brace 22b have been equipped with pad 4, also only pad 4 can be provided with being positioned at two bights on the same minor face of brace 22b, function voice coil loudspeaker voice coil body lead-in wire 241 and voice coil loudspeaker voice coil prolongation lead-in wire 242 linked together can be realized equally, if but only on two bights, be provided with pad 4, just need when carrying out Microspeaker assembling to assemble that workman is conscientiously careful aligns the orientation that voice coil loudspeaker voice coil body lead-in wire 241 and brace 22b are provided with pad 4, which adds the work difficulty of assembling workman, also easily cause because orientation needs the situation of doing over again to occur to mistake simultaneously, and then extend the production cycle of product, therefore the present embodiment is all provided with pad 4 in four bights of brace 22b, in order to solve the problem, reduce the work difficulty of assembling workman, shorten the production cycle of product.
The rigid plastics making brace 22b can adopt ABS(acrylonitrile, butadiene and cinnamic terpolymer), POM(acetal resin), PC(Merlon), PET(PETG) and PPO(polyphenylene oxide) etc.
Embodiment three:
As shown in Figure 5, present embodiment is with the main distinction of above-described embodiment: conductive component comprise be arranged at interior vibrating diaphragm 212b edge for be electrically connected voice coil loudspeaker voice coil body go between 241 and voice coil loudspeaker voice coil extend the pad 4 of lead-in wire 242.
Interior vibrating diaphragm 212b is rectangle, material is rigid plastics, the edge being positioned at four bights of vibrating diaphragm 212b all forms pad 4 by conductive processing, conductive processing can adopt and make it be formed as pad 4 at the bight of interior vibrating diaphragm 212b plating painting electric conducting material, or at the bight bonded metal sheet of interior vibrating diaphragm 212b as pad 4, voice coil loudspeaker voice coil body lead-in wire 241 extends lead-in wire 242 with voice coil loudspeaker voice coil and is connected same pad 4 simultaneously.
The present embodiment is the structure that four bights of interior vibrating diaphragm 212b have been equipped with pad 4, also only pad 4 can be provided with being positioned at two bights on the same minor face of vibrating diaphragm 212b, function voice coil loudspeaker voice coil body lead-in wire 241 and voice coil loudspeaker voice coil prolongation lead-in wire 242 linked together can be realized equally, if but only on two bights, be provided with pad 4, just need when carrying out Microspeaker assembling to assemble that workman is conscientiously careful aligns the orientation that voice coil loudspeaker voice coil body lead-in wire 241 and interior vibrating diaphragm 212b are provided with pad 4, which adds the work difficulty of assembling workman, also easily cause orientation to need the situation of doing over again to occur to mistake simultaneously, and then extend the production cycle of product, therefore the present embodiment is all provided with pad 4 in four bights of interior vibrating diaphragm 212b, in order to solve the problem, reduce the work difficulty of assembling workman, shorten the production cycle of product.
The present invention is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, done all conversion, all drop within protection scope of the present invention.
Claims (6)
1. Microspeaker, the protecgulum comprising shell and be combined with described shell, vibrational system and magnetic circuit system is contained in the cavity that described shell and described protecgulum surround, described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, it is characterized in that: the lead-in wire of described voice coil loudspeaker voice coil comprises and going between with the voice coil loudspeaker voice coil body of described voice coil loudspeaker voice coil one, described voice coil loudspeaker voice coil body lead-in wire is connected with voice coil loudspeaker voice coil by conductive component and extends lead-in wire, and described voice coil loudspeaker voice coil extends the conductive material that the material gone between is the material good toughness than described voice coil loudspeaker voice coil body lead-in wire; Described vibrating diaphragm comprises the outer vibrating diaphragm of annular and is located at the interior vibrating diaphragm of described outer vibrating diaphragm inside; Described conductive component comprises the annular brace arranged near described interior vibrating diaphragm, and described annular brace is provided with the pad for being electrically connected described voice coil loudspeaker voice coil body lead-in wire and voice coil loudspeaker voice coil prolongation lead-in wire; Described brace is square, and described pad is arranged on the bight of described brace.
2. Microspeaker according to claim 1, is characterized in that: described brace is rectangle.
3. Microspeaker according to claim 2, is characterized in that: described brace is FPCB, and four bights of described brace are equipped with described pad, and two the described pads be positioned on the same long limit of described brace connect for same circuit.
4. Microspeaker according to claim 3, is characterized in that: described voice coil loudspeaker voice coil body lead-in wire extends with described voice coil loudspeaker voice coil two the described pads going between and be individually connected and be positioned on same circuit.
5. Microspeaker according to claim 2, it is characterized in that: described brace is hard plastic sheet, be at least that two bights be positioned on the same minor face of described brace are respectively provided with a described pad, described voice coil loudspeaker voice coil body lead-in wire extends to go between with described voice coil loudspeaker voice coil and is connected same described pad simultaneously.
6. the Microspeaker according to the arbitrary claim of claim 1 to 5, is characterized in that: described voice coil loudspeaker voice coil extends lead-in wire for the one in flexible circuit board, bright and beautiful silk thread and overstriking enamelled wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210499555.6A CN102970643B (en) | 2012-11-29 | 2012-11-29 | Microspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210499555.6A CN102970643B (en) | 2012-11-29 | 2012-11-29 | Microspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102970643A CN102970643A (en) | 2013-03-13 |
| CN102970643B true CN102970643B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210499555.6A Active CN102970643B (en) | 2012-11-29 | 2012-11-29 | Microspeaker |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10602252B2 (en) | 2016-03-22 | 2020-03-24 | Sound Solutions International Co., Ltd. | Electrodynamic loudspeaker membrane with internally molded electrical connection |
| CN105992111B (en) * | 2016-05-27 | 2019-08-02 | 歌尔股份有限公司 | A kind of loudspeaker mould group |
| CN106888421A (en) * | 2017-03-20 | 2017-06-23 | 歌尔股份有限公司 | Vibrational system and phonation unit in a kind of phonation unit |
| CN107147976B (en) * | 2017-06-27 | 2023-10-31 | 歌尔股份有限公司 | Acoustic generator and electronic device comprising same |
| CN108322874B (en) * | 2018-03-19 | 2019-09-17 | 歌尔股份有限公司 | A kind of loudspeaker and electronic equipment |
| CN110798784A (en) * | 2019-09-30 | 2020-02-14 | 歌尔股份有限公司 | Broadband earphone loudspeaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1972529A (en) * | 2005-12-26 | 2007-05-30 | 日本先锋公司 | Speaker device |
| CN101765044A (en) * | 2009-12-12 | 2010-06-30 | 歌尔声学股份有限公司 | Minitype moving-coil electroacoustic transducer |
| CN102572658A (en) * | 2012-01-19 | 2012-07-11 | 歌尔声学股份有限公司 | Sounder |
| CN202551337U (en) * | 2012-04-28 | 2012-11-21 | 歌尔声学股份有限公司 | Electroacoustic transducer |
| CN202949562U (en) * | 2012-11-29 | 2013-05-22 | 歌尔声学股份有限公司 | Miniature loudspeaker |
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2012
- 2012-11-29 CN CN201210499555.6A patent/CN102970643B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1972529A (en) * | 2005-12-26 | 2007-05-30 | 日本先锋公司 | Speaker device |
| CN101765044A (en) * | 2009-12-12 | 2010-06-30 | 歌尔声学股份有限公司 | Minitype moving-coil electroacoustic transducer |
| CN102572658A (en) * | 2012-01-19 | 2012-07-11 | 歌尔声学股份有限公司 | Sounder |
| CN202551337U (en) * | 2012-04-28 | 2012-11-21 | 歌尔声学股份有限公司 | Electroacoustic transducer |
| CN202949562U (en) * | 2012-11-29 | 2013-05-22 | 歌尔声学股份有限公司 | Miniature loudspeaker |
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| Publication number | Publication date |
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| CN102970643A (en) | 2013-03-13 |
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Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |