CN202949561U - Miniature loudspeaker - Google Patents
Miniature loudspeaker Download PDFInfo
- Publication number
- CN202949561U CN202949561U CN 201220645223 CN201220645223U CN202949561U CN 202949561 U CN202949561 U CN 202949561U CN 201220645223 CN201220645223 CN 201220645223 CN 201220645223 U CN201220645223 U CN 201220645223U CN 202949561 U CN202949561 U CN 202949561U
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- voice coil
- wire
- coil loudspeaker
- loudspeaker voice
- microspeaker
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Abstract
The utility model discloses a miniature loudspeaker and relates to the technical field of electro-acoustical products. The miniature loudspeaker comprises a casing and a front cover combined with the casing. A vibration system and a magnetic circuit system are accommodated in a cavity defined by the casing and the front cover, the vibration system comprises a vibrating diaphragm and a voice coil, a lead wire of the voice coil comprises a voice coil body lead wire integrated with the voice coil, the voice coil body lead wire is connected with a voice coil prolonged lead wire, and the voice coil prolonged lead wire is made from a conducting material better with toughness better than a material of the voice coil body lead wire. The technical problem that the voice coil lead wire of the miniature loudspeaker in the prior art easily breaks is solved. The voice coil lead wire of the miniature loudspeaker is good in toughness and large in strength and does not easily break, accordingly the reliability of the miniature loudspeaker is improved, and the service life of the miniature loudspeaker is prolonged.
Description
Technical field
The utility model 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 portable type electronic product.Microspeaker generally includes vibrational system and the magnetic circuit system that is contained in 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 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.
In prior art, the voice coil leads of Microspeaker is the tap of the wire rod of coiling voice coil loudspeaker voice coil, 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.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of Microspeaker, the voice coil leads good toughness of this Microspeaker, and easy fracture not, and then this Microspeaker reliability is high, long service life.
For solving the problems of the technologies described above, the technical solution of the utility model 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 extends 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 extends a kind of in flexible circuit board, bright and beautiful silk thread and 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 extend between lead-in wire by welding or conductive adhesive formation wire bond section.
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 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 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 extends lead-in wire and connects described voice coil loudspeaker voice coil outlet terminal.
The beneficial effects of the utility model are: Microspeaker described in the utility model, 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 extends 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.Extend lead-in wire two parts owing to voice coil leads being divided into voice coil loudspeaker voice coil body lead-in wire and voice coil loudspeaker voice coil, and voice coil loudspeaker voice coil extends lead-in wire and has adopted toughness conductive material preferably, thereby increased the intensity of voice coil leads, guaranteed at loud speaker by high vibration or voice coil leads can fracture when working long hours, and then the electrical connection that has guaranteed Microspeaker is good, improve greatly the reliability of Microspeaker, extended 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 is extended the lead-in wire connection is fixed on interior vibrating diaphragm or on voice coil loudspeaker voice coil, can prevent effectively that voice coil loudspeaker voice coil when vibration voice coil leads from rupturing from wire bond section, further improve the reliability of Microspeaker, further extended the useful life of Microspeaker.
In sum, the utility model Microspeaker has solved the technical problem of Microspeaker voice coil leads easy fracture in the prior art.The voice coil leads good toughness of the utility model Microspeaker, intensity is large, is difficult for fracture, thereby has improved the reliability of Microspeaker, and has extended the useful life of Microspeaker.
Description of drawings
Fig. 1 is the stereo decomposing structural representation of the utility model Microspeaker embodiment one;
Fig. 2 is the voice coil loudspeaker voice coil structural representation of the utility model Microspeaker embodiment one;
Fig. 3 be the voice coil loudspeaker voice coil of the utility model Microspeaker embodiment one and interior vibrating diaphragm in conjunction with schematic diagram;
Fig. 4 is the internal structure schematic diagram of the utility model Microspeaker embodiment one;
Fig. 5 is the stereo decomposing structural representation of the utility model Microspeaker embodiment two;
Fig. 6 is the voice coil loudspeaker voice coil structural representation of the utility model Microspeaker embodiment two;
Fig. 7 is the internal structure schematic diagram of the utility model Microspeaker embodiment two;
In 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 extends 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 utility model.
Embodiment one:
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 extends lead-in wire 232, voice coil loudspeaker voice coil extends 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, bright and beautiful silk thread for example, the enamelled wire thicker than voice coil loudspeaker voice coil body lead-in wire 231, alloy enamelled wire and FPCB(flexible circuit board) etc.Extend lead-in wire 232 two parts owing to voice coil leads being divided into voice coil loudspeaker voice coil body lead-in wire 231 and voice coil loudspeaker voice coil, and voice coil loudspeaker voice coil extend 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 at loud speaker by high vibration or voice coil leads can fracture when working long hours, and then the electrical connection that has guaranteed Microspeaker is good, improve greatly the reliability of Microspeaker, extended 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 outer vibrating diaphragm 211.Voice coil loudspeaker voice coil body lead-in wire 231 and voice coil loudspeaker voice coil extend between lead-in wire 232 by welding or conductive adhesive formation wire bond section 233.Wire bond section 233 is fixed on the marginal position of interior vibrating diaphragm 212.In the time of can effectively preventing voice coil loudspeaker voice coil 22 vibration, voice coil leads from 233 fractures of wire bond section, has further improved the reliability of Microspeaker, has further extended the useful life of Microspeaker.
Magnetic circuit system comprises and the basin frame 33 of shell 12 combinations, and 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:
As 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 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 extend lead-in wire 232 connections is fixed on the sidewall of voice coil loudspeaker voice coil 22.In the time of can effectively preventing voice coil loudspeaker voice coil 22 vibration, voice coil leads from 233 fractures of wire bond section, has further improved the reliability of Microspeaker, has further extended the useful life of Microspeaker.
The utility model 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 are within all dropping on protection range of the present utility model.
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 extends 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 extends a kind of in flexible circuit board, bright and beautiful silk thread and overstriking enamelled wire of lead-in wire.
3. Microspeaker according to claim 1 and 2 is characterized in that: described voice coil loudspeaker voice coil body lead-in wire and described voice coil loudspeaker voice coil extend between lead-in wire by welding or conductive adhesive formation wire bond section.
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 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 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 extends lead-in wire and connects described voice coil loudspeaker voice coil outlet terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220645223 CN202949561U (en) | 2012-11-29 | 2012-11-29 | Miniature loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220645223 CN202949561U (en) | 2012-11-29 | 2012-11-29 | Miniature loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202949561U true CN202949561U (en) | 2013-05-22 |
Family
ID=48425238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220645223 Expired - Lifetime CN202949561U (en) | 2012-11-29 | 2012-11-29 | Miniature loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202949561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108391214A (en) * | 2018-05-23 | 2018-08-10 | 歌尔股份有限公司 | Vibrational system and loud speaker |
-
2012
- 2012-11-29 CN CN 201220645223 patent/CN202949561U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108391214A (en) * | 2018-05-23 | 2018-08-10 | 歌尔股份有限公司 | Vibrational system and loud speaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |