CN102970642A - Micro loudspeaker - Google Patents
Micro loudspeaker Download PDFInfo
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- CN102970642A CN102970642A CN2012104995541A CN201210499554A CN102970642A CN 102970642 A CN102970642 A CN 102970642A CN 2012104995541 A CN2012104995541 A CN 2012104995541A CN 201210499554 A CN201210499554 A CN 201210499554A CN 102970642 A CN102970642 A CN 102970642A
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- voice coil
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- coil loudspeaker
- loudspeaker voice
- microspeaker
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Abstract
The invention discloses a micro loudspeaker, and relates to the technical field of electroacoustic products. The micro loudspeaker comprises a housing and a front cover combined with the housing, wherein a vibrating system and a magnetic circuit system are accommodated in a cavity defined by the housing and the front cover; the vibrating system comprises a vibrating membrane and a voice coil; lead wires of the voice coil comprise a voice coil body lead wire integral with the voice coil; and the voice coil body lead wire is connected with a voice coil extension lead wire; the voice coil extension lead wire is made of a material the tenacity of which is better than that of the material of the voice coil body lead wire. By adopting the micro loudspeaker, the technical problem in the prior art that the voice coil lead wire of the micro loudspeaker is easily broken is solved. The voice coil lead wire of the micro loudspeaker disclosed by the invention is good in tenacity, good in strength, and not easily broken, thus improving the reliability of the micro loudspeaker, and prolonging the service of the micro loudspeaker.
Description
Technical field
The present invention relates to the electro-acoustic product technical field, particularly a kind of Microspeaker.
Background technology
Along with the fast development of portable type electronic product, be widely used especially as the Microspeaker of the important acoustical device in the portable type electronic product.Microspeaker generally includes vibrational system and the magnetic circuit system that is contained in the shell, and vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that sets gradually, and voice coil loudspeaker voice coil is connected with voice coil loudspeaker voice coil leading-out terminal on the shell by voice coil leads, in order to connect the external circuit of Microspeaker.The operation principle of Microspeaker is to pass into alternating current to voice coil loudspeaker voice coil, moves reciprocatingly with respect to magnetic circuit system under the magnetic fields that magnetic circuit system produces, and voice coil loudspeaker voice coil drives vibrating diaphragm and vibrates together, and vibrating diaphragm is instigated air and sent corresponding sound.
The voice coil leads of Microspeaker is the tap of the wire rod of coiling voice coil loudspeaker voice coil in the prior art, because the wire rod of coiling voice coil loudspeaker voice coil is generally thinner enamelled wire, the toughness of wire rod is relatively poor, be easy to cause the fracture of voice coil leads by high vibration or when working long hours at loud speaker, cause the electrical connection of Microspeaker bad, thereby serious reduction the reliability of Microspeaker, shortened greatly useful life of Microspeaker.
Summary of the invention
Technical problem to be solved by this invention provides a kind of Microspeaker, the voice coil leads good toughness of this Microspeaker, and 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, comprise shell and the protecgulum of being combined with described shell, contain vibrational system and magnetic circuit system 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 the voice coil loudspeaker voice coil body lead-in wire with 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 and prolongs lead-in wire, and the material of described voice coil loudspeaker voice coil prolongation lead-in wire is the conductive material than the material good toughness of described voice coil loudspeaker voice coil body lead-in wire.
As a kind of improvement, described voice coil loudspeaker voice coil prolongs a kind of in flexible circuit board, bright and beautiful silk thread and the overstriking enamelled wire of lead-in wire.
As further improvement, described voice coil loudspeaker voice coil body lead-in wire and described voice coil loudspeaker voice coil prolong between the lead-in wire and form wire bond section by welding or conductive adhesive.
As further improvement, described Microspeaker is square structure; The outer vibrating diaphragm of the described vibrating diaphragm side of comprising annular is combined with square interior vibrating diaphragm in the described outer vibrating diaphragm.
As further improvement, described wire bond section is fixed on the marginal position of described interior vibrating diaphragm.
As further improvement, described magnetic circuit system comprises the basin frame of being combined with described shell, and described basin frame inboard is provided with magnet, and described magnet is provided with washer, and described voice coil loudspeaker voice coil moves reciprocatingly in the gap between described magnet and washer and described shell.
As further improvement, described Microspeaker is circular configuration.
As further improvement, described wire bond section is fixed on the described voice coil loudspeaker voice coil.
As further improvement, described shell is provided with the voice coil loudspeaker voice coil outlet terminal, and described voice coil loudspeaker voice coil prolongs lead-in wire and connects described voice coil loudspeaker voice coil outlet terminal.
Beneficial effect of the present invention is: Microspeaker of the present invention, comprise shell and the protecgulum that closes with the shell line, contain vibrational system and magnetic circuit system in the cavity that shell and protecgulum surround, vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, the lead-in wire of voice coil loudspeaker voice coil comprises the voice coil loudspeaker voice coil body lead-in wire with the voice coil loudspeaker voice coil one, voice coil loudspeaker voice coil body lead-in wire is connected with voice coil loudspeaker voice coil and prolongs lead-in wire, and the material of voice coil loudspeaker voice coil prolongation lead-in wire is the conductive material than the material good toughness of voice coil loudspeaker voice coil body lead-in wire.Because voice coil leads has been divided 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 prolongs lead-in wire and has adopted preferably conductive material of toughness, thereby increased the intensity of voice coil leads, guaranteed that voice coil leads can fracture by high vibration or when working long hours at loud speaker, and then the electrical connection that has guaranteed Microspeaker is good, improve greatly the reliability of Microspeaker, prolonged the useful life of Microspeaker.
Because the wire bond section that voice coil loudspeaker voice coil body lead-in wire and voice coil loudspeaker voice coil are prolonged the lead-in wire connection is fixed on the interior vibrating diaphragm or on the voice coil loudspeaker voice coil, voice coil leads ruptures from wire bond section in the time of can effectively preventing the voice coil loudspeaker voice coil vibration, further improve the reliability of Microspeaker, further prolonged the useful life of Microspeaker.
In sum, Microspeaker of the present invention has solved the technical problem of Microspeaker voice coil leads easy fracture in the prior art.The voice coil leads good toughness of Microspeaker of the present invention, intensity is large, is difficult for fracture, thereby has improved the reliability of Microspeaker, and has prolonged the useful life of Microspeaker.
Description of drawings
Fig. 1 is the stereo decomposing structural representation of Microspeaker embodiment one of the present invention;
Fig. 2 is the voice coil loudspeaker voice coil structural representation of Microspeaker embodiment one of the present invention;
Fig. 3 be the voice coil loudspeaker voice coil of Microspeaker embodiment one of the present invention and interior vibrating diaphragm in conjunction with schematic diagram;
Fig. 4 is the internal structure schematic diagram of Microspeaker embodiment one of the present invention;
Fig. 5 is the stereo decomposing structural representation of Microspeaker embodiment two of the present invention;
Fig. 6 is the voice coil loudspeaker voice coil structural representation of Microspeaker embodiment two of the present invention;
Fig. 7 is the internal structure schematic diagram of Microspeaker embodiment two of the present invention;
Among the figure: 11, protecgulum, 12, shell, 21, vibrating diaphragm, 211, outer vibrating diaphragm, 212, interior vibrating diaphragm, 22, voice coil loudspeaker voice coil, 231, voice coil loudspeaker voice coil body lead-in wire, 232, voice coil loudspeaker voice coil prolongs lead-in wire, 233, wire bond section, 31, washer, 32, magnet, 33, the basin frame, 4, the voice coil loudspeaker voice coil outlet terminal.
Embodiment
Below in conjunction with drawings and Examples, further set forth the present invention.
Embodiment one:
Such as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4 are common, a kind of Microspeaker, adopt square structure, comprise shell 12 and with the protecgulum 11 of shell 12 combinations, shell 12 is provided with voice coil loudspeaker voice coil outlet terminal 4, contain vibrational system and magnetic circuit system in the cavity that shell 12 and protecgulum 11 surround, vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil 22, the lead-in wire of voice coil loudspeaker voice coil 22 comprises the voice coil loudspeaker voice coil body lead-in wire 231 with voice coil loudspeaker voice coil 22 one, voice coil loudspeaker voice coil body lead-in wire 231 connects voice coil loudspeaker voice coil and prolongs lead-in wire 232, voice coil loudspeaker voice coil prolongs lead-in wire 232 and connects voice coil loudspeaker voice coil outlet terminal 4, the material of voice coil loudspeaker voice coil prolongation lead-in wire 232 is the conductive material than the material good toughness of voice coil loudspeaker voice coil body lead-in wire 231, for example bright and beautiful silk thread, the enamelled wires thicker than voice coil loudspeaker voice coil body lead-in wire 231, alloy enamelled wire and FPCB(flexible circuit board) etc.Because voice coil leads has been divided into voice coil loudspeaker voice coil body lead-in wire 231 and voice coil loudspeaker voice coil prolongation lead-in wire 232 two parts, and voice coil loudspeaker voice coil prolong lead-in wire 232 adopted bright and beautiful silk thread, than the thicker toughness such as enamelled wire, alloy enamelled wire and FPCB of voice coil loudspeaker voice coil body lead-in wire 231 conductive material preferably, thereby increased the intensity of voice coil leads, guaranteed that voice coil leads can fracture by high vibration or when working long hours at loud speaker, and then the electrical connection that has guaranteed Microspeaker is good, improve greatly the reliability of Microspeaker, prolonged the useful life of Microspeaker.
Vibrating diaphragm comprises the outer vibrating diaphragm 211 of flexible square ring-type, is combined with the interior vibrating diaphragm 212 of square shape of rigidity in the outer vibrating diaphragm 211.Voice coil loudspeaker voice coil body lead-in wire 231 and voice coil loudspeaker voice coil prolong between the lead-in wire 232 and form wire bond section 233 by welding or conductive adhesive.Wire bond section 233 is fixed on the marginal position of interior vibrating diaphragm 212.Voice coil leads has further improved the reliability of Microspeaker from 233 fractures of wire bond section in the time of can effectively preventing voice coil loudspeaker voice coil 22 vibration, has further prolonged the useful life of Microspeaker.
Magnetic circuit system comprises and the basin frame 33 of shell 12 combinations that the inboard of basin frame 33 is provided with magnet 32, and magnet 32 is provided with washer 31.Voice coil loudspeaker voice coil 22 moves reciprocatingly in the gap between magnet 32 and washer 31 and shell 12, thereby drives the vibrating diaphragm vibration, sends corresponding sound.
Embodiment two:
Shown in Fig. 5, Fig. 6 and Fig. 7 were common, the main distinction of present embodiment and embodiment one is: Microspeaker was circular configuration, and vibrational system comprises vibrating diaphragm 21 and voice coil loudspeaker voice coil 22; Magnetic circuit system comprises the magnet 32 that is arranged in the shell 12, and magnet 32 is provided with washer 31.
The wire bond section 233 that voice coil loudspeaker voice coil body lead-in wire 231 and voice coil loudspeaker voice coil prolong lead-in wire 232 connections is fixed on the sidewall of voice coil loudspeaker voice coil 22.Voice coil leads has further improved the reliability of Microspeaker from 233 fractures of wire bond section in the time of can effectively preventing voice coil loudspeaker voice coil 22 vibration, has further prolonged the useful life of Microspeaker.
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, all conversion of having done all drop within protection scope of the present invention.
Claims (9)
1. Microspeaker, comprise shell and the protecgulum of being combined with described shell, contain vibrational system and magnetic circuit system 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 the voice coil loudspeaker voice coil body lead-in wire with 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 and prolongs lead-in wire, and the material of described voice coil loudspeaker voice coil prolongation lead-in wire is the conductive material than the material good toughness of described voice coil loudspeaker voice coil body lead-in wire.
2. Microspeaker according to claim 1 is characterized in that: described voice coil loudspeaker voice coil prolongs a kind of in flexible circuit board, bright and beautiful silk thread and the overstriking enamelled wire of lead-in wire.
3. Microspeaker according to claim 1 and 2 is characterized in that: form wire bond section by welding or conductive adhesive between described voice coil loudspeaker voice coil body lead-in wire and the described voice coil loudspeaker voice coil prolongation lead-in wire.
4. Microspeaker according to claim 3, it is characterized in that: described Microspeaker is square structure; The outer vibrating diaphragm of the described vibrating diaphragm side of comprising annular is combined with square interior vibrating diaphragm in the described outer vibrating diaphragm.
5. Microspeaker according to claim 4 is characterized in that: described wire bond section is fixed on the marginal position of described interior vibrating diaphragm.
6. Microspeaker according to claim 3, it is characterized in that: described magnetic circuit system comprises the basin frame of being combined with described shell, described basin frame inboard is provided with magnet, and described magnet is provided with washer, and described voice coil loudspeaker voice coil moves reciprocatingly in the gap between described magnet and washer and described shell.
7. Microspeaker according to claim 3, it is characterized in that: described Microspeaker is circular configuration.
8. Microspeaker according to claim 7 is characterized in that: described wire bond section is fixed on the described voice coil loudspeaker voice coil.
9. Microspeaker according to claim 1, it is characterized in that: described shell is provided with the voice coil loudspeaker voice coil outlet terminal, and described voice coil loudspeaker voice coil prolongs lead-in wire and connects described voice coil loudspeaker voice coil outlet terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210499554.1A CN102970642B (en) | 2012-11-29 | 2012-11-29 | Microspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210499554.1A CN102970642B (en) | 2012-11-29 | 2012-11-29 | Microspeaker |
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| CN102970642A true CN102970642A (en) | 2013-03-13 |
| CN102970642B CN102970642B (en) | 2015-12-02 |
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| CN201210499554.1A Active CN102970642B (en) | 2012-11-29 | 2012-11-29 | Microspeaker |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104144373A (en) * | 2014-06-30 | 2014-11-12 | 歌尔声学股份有限公司 | Loudspeaker device and method for manufacturing shell thereof |
| CN106101963A (en) * | 2016-08-23 | 2016-11-09 | 深圳市音沃仕科技有限公司 | A kind of speaker |
| 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 |
| CN107040854A (en) * | 2017-04-28 | 2017-08-11 | 北京欧意智能科技有限公司 | Annular omnidirectional loudspeaker and audio amplifier |
| CN108322874A (en) * | 2018-03-19 | 2018-07-24 | 歌尔股份有限公司 | A kind of loud speaker and electronic equipment |
| CN108886655A (en) * | 2016-03-22 | 2018-11-23 | 奥音科技（镇江）有限公司 | Dynamic loudspeaker vibrating diaphragm with internal molding electrical connection |
| US10149078B2 (en) | 2017-01-04 | 2018-12-04 | Apple Inc. | Capacitive sensing of a moving-coil structure with an inset plate |
| US10194248B2 (en) | 2016-02-19 | 2019-01-29 | Apple Inc. | Speaker with flex circuit acoustic radiator |
| US10321235B2 (en) | 2016-09-23 | 2019-06-11 | Apple Inc. | Transducer having a conductive suspension member |
Citations (4)
| 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 |
-
2012
- 2012-11-29 CN CN201210499554.1A patent/CN102970642B/en active Active
Patent Citations (4)
| 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 |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104144373A (en) * | 2014-06-30 | 2014-11-12 | 歌尔声学股份有限公司 | Loudspeaker device and method for manufacturing shell thereof |
| US10687146B2 (en) | 2016-02-19 | 2020-06-16 | Apple Inc. | Speaker with flex circuit acoustic radiator |
| US10194248B2 (en) | 2016-02-19 | 2019-01-29 | Apple Inc. | Speaker with flex circuit acoustic radiator |
| CN108886655A (en) * | 2016-03-22 | 2018-11-23 | 奥音科技（镇江）有限公司 | Dynamic loudspeaker vibrating diaphragm with internal molding electrical connection |
| US10602252B2 (en) | 2016-03-22 | 2020-03-24 | Sound Solutions International Co., Ltd. | Electrodynamic loudspeaker membrane with internally molded electrical connection |
| CN106101963A (en) * | 2016-08-23 | 2016-11-09 | 深圳市音沃仕科技有限公司 | A kind of speaker |
| US10321235B2 (en) | 2016-09-23 | 2019-06-11 | Apple Inc. | Transducer having a conductive suspension member |
| US10911874B2 (en) | 2016-09-23 | 2021-02-02 | Apple Inc. | Transducer having a conductive suspension member |
| US10149078B2 (en) | 2017-01-04 | 2018-12-04 | Apple Inc. | Capacitive sensing of a moving-coil structure with an inset plate |
| WO2018171053A1 (en) * | 2017-03-20 | 2018-09-27 | 歌尔股份有限公司 | Vibration system in sound unit and sound unit |
| 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 |
| CN107040854A (en) * | 2017-04-28 | 2017-08-11 | 北京欧意智能科技有限公司 | Annular omnidirectional loudspeaker and audio amplifier |
| CN108322874A (en) * | 2018-03-19 | 2018-07-24 | 歌尔股份有限公司 | A kind of loud speaker and electronic equipment |
| CN108322874B (en) * | 2018-03-19 | 2019-09-17 | 歌尔股份有限公司 | A kind of loudspeaker and electronic equipment |
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| Publication number | Publication date |
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| CN102970642B (en) | 2015-12-02 |
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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. |