CN204948337U - Microspeaker - Google Patents
Microspeaker Download PDFInfo
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- CN204948337U CN204948337U CN201520546336.8U CN201520546336U CN204948337U CN 204948337 U CN204948337 U CN 204948337U CN 201520546336 U CN201520546336 U CN 201520546336U CN 204948337 U CN204948337 U CN 204948337U
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- voice coil
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- microspeaker
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Abstract
The utility model discloses a kind of Microspeaker, comprise magnetic circuit assembly and vibration component, the back of magnetic circuit assembly is combined with the electric-conductor connecting peripheral circuits, vibration component comprises vibrating diaphragm and to bond fixing voice coil loudspeaker voice coil with vibrating diaphragm, voice coil loudspeaker voice coil comprises voice coil loudspeaker voice coil body and voice coil leads, magnetic circuit assembly is corresponding with on electric-conductor offers through hole, voice coil leads is from through hole fair line, voice coil leads is from the through hole outlet of electric-conductor, and fix with the pad spot welding be arranged on electric-conductor, be filled with foam near the through hole of the leading-out terminal of voice coil leads.Microspeaker of the present utility model, simplifies assembling product operation, is convenient to realize Automated assembly, can also avoid the distortion because voice coil vibrations causes, and prevents voice coil leads to be pressed down simultaneously and causes product failure.
Description
Technical field
The utility model relates to electroacoustic field, is specifically related to a kind of Microspeaker.
Background technology
Microspeaker as a kind of can be the device of acoustic energy by electric energy conversion, be now widely used in the terminal electronics such as mobile phone, computer, MP3, PAD.In general, the structure of Microspeaker mainly comprises magnetic circuit system and vibrational system, and wherein, magnetic circuit system comprises frame, be fixed on magnet in frame and washer; Vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil.In order to ensure that Microspeaker can normally work, voice coil loudspeaker voice coil needs to be electrically connected to realize the signal of telecommunication from loud speaker external circuit to the transmission of inside with electric-conductor, and pcb board (conducting wire plate) is a kind of electric-conductor structure relatively commonly used.
Existing Microspeaker, the lead-in wire of its voice coil loudspeaker voice coil needs to be welded on the pad of pcb board, to realize the conducting of peripheral circuits, the cabling mode of voice coil loudspeaker voice coil is generally: first voice coil loudspeaker voice coil walks certain radian on diaphragm structure, play lead-in wire glue to be fixed, and play the lead-in wire that voice coil loudspeaker voice coil fixed by fixed point glue at the copper ring place supporting vibrating diaphragm, then go between from the U mouth outlet of frame, by wire bonds on pad, U mouth place also needs to beat glue anchor leg.Voice coil leads adopts the technique of above-mentioned cabling and fixed form comparatively complicated, and inconvenience realizes, and simultaneously when the outlet of frame U mouth, copper ring very easily breaks voice coil leads, and when can cause producing in enormous quantities, vibrational system not easily realizes automation with coordinating of magnetic circuit system.Given this, needing the outlet method designing a kind of new voice coil leads badly makes the problems referred to above improve.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of Microspeaker, and by the improvement to voice coil leads outlet and fixed form, simplified assembling process, avoids distortion simultaneously, ensures the performance of Microspeaker further.
To achieve these goals, the utility model by the following technical solutions: a kind of Microspeaker, comprises magnetic circuit assembly and vibration component; The back of described magnetic circuit assembly is combined with the electric-conductor connecting peripheral circuits; Described vibration component comprises vibrating diaphragm and to bond fixing voice coil loudspeaker voice coil with described vibrating diaphragm; Described voice coil loudspeaker voice coil comprises voice coil loudspeaker voice coil body and voice coil leads, and wherein, described magnetic circuit assembly is corresponding with on described electric-conductor offers through hole; Described voice coil leads is from described through hole fair line; Described voice coil leads from the through hole outlet of described electric-conductor, and is fixed with the pad spot welding be arranged on described electric-conductor; Foam is filled with near the through hole of the leading-out terminal of described voice coil leads.
Improve as one, described electric-conductor is conducting wire plate; Described through hole is opened in the centre position of described magnetic circuit assembly and described conducting wire plate.
Improve as one, described through hole is circular.
Improve as one, described magnetic circuit assembly comprises frame, bond the magnet be fixed in described frame and the washer being covered in described magnet surface.
Improve as one, described voice coil leads penetrates from the through hole being arranged at described washer, passes the through hole of described magnet and described frame successively, passes from the through hole of described conducting wire plate.
Improve as one, described frame comprises diapire and sidewall; Described through hole is arranged at the centre position of described frame diapire.
Improve as one, described magnet comprises centring magnet and is surrounded on the secondary magnet of described centring magnet periphery; Described washer comprises the center washer being covered in described centring magnet surface and the secondary washer being covered in described secondary magnet surface; Described through hole correspondence is opened in the centre position of described frame, described centring magnet and described center washer.
Improve as one, described Microspeaker is circular or square structure.
Improve as one, the space of described vibrating diaphragm and described magnetic circuit assembly forms the back cavity of described Microspeaker; Described voice coil leads is from the through hole fair line being arranged at described back cavity.
Improve as one, it is characterized in that: the ring portion that described vibrating diaphragm comprises central part and arranges around described central part periphery; The outside in described ring portion is combined with the copper ring supporting described vibrating diaphragm.
Compared to existing technologies, Microspeaker of the present utility model, on its magnetic circuit assembly and electric-conductor, correspondence is provided with through hole, voice coil leads is from described through hole fair line, from the through hole outlet of electric-conductor and directly and pad spot welding fix, can simplify the assembling procedure of voice coil loudspeaker voice coil and magnetic circuit assembly, this kind of design easily simultaneously is automated assembling (complete after voice coil loudspeaker voice coil assembles, then assemble vibrating diaphragm) owing to there is not fair line and anchor leg on vibrating diaphragm; On the other hand, because voice coil leads is no longer from the U mouth outlet of frame, thus phenomenon U mouth place copper ring can being avoided to break voice coil leads cause loudspeaker function to lose efficacy; Moreover, owing to being filled with foam in the through hole near voice coil leads leading-out terminal, the unfavorable conditions such as the distortion caused because of the vibration of voice coil loudspeaker voice coil can be avoided.
Accompanying drawing explanation
Fig. 1 is the explosive view of the utility model Microspeaker structure;
Fig. 2 is the upward view of the utility model Microspeaker structure;
Fig. 3 is the generalized section of the utility model Microspeaker structure;
Reference numeral wherein comprises: 1, frame, and 11, through hole, 2, magnet, 21, through hole, 3, washer, 31, through hole, 4, voice coil loudspeaker voice coil, 41, voice coil loudspeaker voice coil body, 42, voice coil leads, 5, vibrating diaphragm, 51, central part, 52, ring portion, 6, electric-conductor, 61, through hole, 7, foam, 8, pad, 9, copper ring.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model content in detail:
Embodiment:
Consult shown in Fig. 1, Microspeaker of the present utility model comprises magnetic circuit assembly and vibration component, wherein, magnetic circuit assembly comprises frame 1, is fixed on the magnet 2 in frame 1 and is covered in the washer 3 on magnet 2 surface, during enforcement, frame 1 is all fixed by being coated with glue bond with washer 3 with magnet 2, magnet 2; Vibration component comprises vibrating diaphragm 5 and to bond fixing voice coil loudspeaker voice coil 4 with vibrating diaphragm 5, further, the ring portion 52 that vibrating diaphragm 5 comprises central part 51 and arranges around central part 51, the outside in ring portion 52 is combined with the copper ring 9 supporting vibrating diaphragm 5, and voice coil loudspeaker voice coil 4 comprises again voice coil loudspeaker voice coil body 41 and voice coil leads 42.Except said structure, Microspeaker also comprises the electric-conductor 6 connecting peripheral circuits, during Microspeaker work, the current signal of external circuit is passed to voice coil loudspeaker voice coil 4 by electric-conductor 6, voice coil loudspeaker voice coil 4 can do the motion of the reciprocating cutting magnetic line of force under the active force of electromagnetic field, and then drive and be attached thereto the vibrating diaphragm 5 connect and vibrate, thus outwardly radiative acoustic wave.
Consult Fig. 1, Fig. 2 and Fig. 3 jointly shown in, Microspeaker of the present utility model, on its magnetic circuit assembly and electric-conductor 6, all correspondence is provided with through hole, specifically, frame 1 is provided with through hole 11, on magnet 2, the position of corresponding through hole 11 is provided with through hole 21, on washer 3, the position of corresponding through hole 21 is provided with through hole 31, and electric-conductor 6 is incorporated into the back position of magnetic circuit assembly, specifically be incorporated into the back position of frame 1, the position of the corresponding through hole 11 of electric-conductor 6 is also provided with through hole, 61 are denoted as in figure, like this, voice coil leads 42 just can carry out fair line from above-mentioned through hole one to one, concrete, voice coil leads 42 is fair line from through hole 31 place of washer 3, successively through the through hole 21 of magnet 2 and the through hole 11 of frame 1, finally from through hole 61 outlet of electric-conductor 6, due to electric-conductor 6 being provided with pad 8, therefore after voice coil leads 42 outlet can directly and pad 8 spot welding fix, realize being electrically connected.
Voice coil leads adopts above-mentioned cabling and fixed form, but simplifies the packaging technology of voice coil loudspeaker voice coil and magnetic circuit assembly, while owing to not need on vibrating diaphragm fair line, anchor leg and be easier to realize Automated assembly; Moreover voice coil leads, no longer from the U mouth outlet of frame, also can be avoided the copper ring at U mouth place to break voice coil leads, prevent from therefore causing loudspeaker function to lose efficacy.
Consult shown in Fig. 3, foam 7 is filled with near the through hole of voice coil leads 42 leading-out terminal, because voice coil leads 42 is in through hole 61 place's outlet of electric-conductor 6, therefore the position of foam 7 is denoted as below and frame through hole 11 place of magnet through hole 21 in the drawings, foam is herein the material of toneable, and it can avoid causing distortion etc. bad because of voice coil vibrations.
Preferably, in present embodiment, electric-conductor 6 is conducting wire plate (PCB), and during enforcement, electric-conductor 6 is not limited to pcb board, also can be other electric connection structure.Through hole is opened in the centre position of magnetic circuit assembly and conducting wire plate, it should be noted that, in diagram, the position of through hole is only used to the signal illustrating that this structure is made, during concrete enforcement, the position of through hole is not limited to above-mentioned centre position, also can be other position, but demand fulfillment magnetic circuit assembly be corresponding with the through hole on electric-conductor arranges.
Preferably, through hole is circular, and when specifically implementing, the shape of through hole is not limited to the circular configuration shown in figure, also can be structures that are oval, square or other shapes, specifically not limit by this.
Preferably, frame 1 comprises diapire and sidewall, and through hole 11 is arranged at the centre position of frame diapire.
Preferably, vibrating diaphragm 5 forms the back cavity of Microspeaker with the space of magnetic circuit assembly, and visible, voice coil leads 42 is the through hole fair lines from being arranged at back cavity.
It should be noted that, shown in present embodiment is a kind of Microspeaker of single magnetic structure, in fact, the technical program is applicable equally for the Microspeaker of multipath magnetic circuit structure, such as comprise the secondary structure of iron in two pieces of limits or the structure of four blocks of secondary magnet, for the structure of four blocks of secondary magnet, the magnetic circuit assembly of Microspeaker comprises frame, magnet and washer, magnet specifically comprises the centring magnet being fixed on frame centre position and the four blocks of secondary magnet arranged around the periphery of centring magnet, centring magnet is coated with center washer, corresponding, the surface of the secondary magnet of each block is all corresponding is coated with a secondary washer, now, the through hole being convenient to voice coil loudspeaker voice coil fair line may correspond to and is opened in frame, on centring magnet and center washer, be preferably centre position.It should be noted that in addition, shown in present embodiment is a kind of Microspeaker structure of circle, and in fact, the technical program is suitable for too for square Microspeaker structure.
These are only the utility model case study on implementation, be not limited to the utility model, as long as those of ordinary skill in the art modify or change according to the equivalence that the utility model institute disclosure is done, all should include in the protection range recorded in claims.
Claims (10)
1. a Microspeaker, comprises magnetic circuit assembly and vibration component; The back of described magnetic circuit assembly is combined with the electric-conductor connecting peripheral circuits; Described vibration component comprises vibrating diaphragm and to bond fixing voice coil loudspeaker voice coil with described vibrating diaphragm; Described voice coil loudspeaker voice coil comprises voice coil loudspeaker voice coil body and voice coil leads, it is characterized in that: described magnetic circuit assembly is corresponding with on described electric-conductor offers through hole; Described voice coil leads is from described through hole fair line; Described voice coil leads from the through hole outlet of described electric-conductor, and is fixed with the pad spot welding be arranged on described electric-conductor; Foam is filled with near the through hole of the leading-out terminal of described voice coil leads.
2. Microspeaker according to claim 1, is characterized in that: described electric-conductor is conducting wire plate; Described through hole is opened in the centre position of described magnetic circuit assembly and described conducting wire plate.
3. Microspeaker according to claim 2, is characterized in that: described through hole is for circular.
4. Microspeaker according to claim 2, is characterized in that: described magnetic circuit assembly comprises frame, bond the magnet be fixed in described frame and the washer being covered in described magnet surface.
5. Microspeaker according to claim 4, is characterized in that: described voice coil leads penetrates from the through hole being arranged at described washer, passes the through hole of described magnet and described frame successively, passes from the through hole of described conducting wire plate.
6. Microspeaker according to claim 5, is characterized in that: described frame comprises diapire and sidewall; Described through hole is arranged at the centre position of described frame diapire.
7. Microspeaker according to claim 4, is characterized in that: described magnet comprises centring magnet and is surrounded on the secondary magnet of described centring magnet periphery; Described washer comprises the center washer being covered in described centring magnet surface and the secondary washer being covered in described secondary magnet surface; Described through hole correspondence is opened in the centre position of described frame, described centring magnet and described center washer.
8. Microspeaker according to claim 1, is characterized in that: described Microspeaker is circular or square structure.
9. Microspeaker according to claim 1, is characterized in that: the space of described vibrating diaphragm and described magnetic circuit assembly forms the back cavity of described Microspeaker; Described voice coil leads is from the through hole fair line being arranged at described back cavity.
10. Microspeaker according to claim 9, is characterized in that: the ring portion that described vibrating diaphragm comprises central part and arranges around described central part periphery; The outside in described ring portion is combined with the copper ring supporting described vibrating diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520546336.8U CN204948337U (en) | 2015-07-24 | 2015-07-24 | Microspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520546336.8U CN204948337U (en) | 2015-07-24 | 2015-07-24 | Microspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204948337U true CN204948337U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520546336.8U Active CN204948337U (en) | 2015-07-24 | 2015-07-24 | Microspeaker |
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| CN (1) | CN204948337U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060735A (en) * | 2016-08-05 | 2016-10-26 | 深圳市西西艾电子厂 | Miniature loudspeaker and miniature loudspeaker assembly method |
| CN106385652A (en) * | 2016-12-05 | 2017-02-08 | 深圳市睿冠科技有限公司 | Earphone minisize loudspeaker assembly |
| CN106658311A (en) * | 2017-01-20 | 2017-05-10 | 深圳市吉瑞德隆电子科技有限公司 | Loudspeaker and electronic device |
| CN108737914A (en) * | 2018-08-15 | 2018-11-02 | 斯贝克电子（嘉善）有限公司 | A kind of loudspeaker and the speaker with the loudspeaker |
| CN109905825A (en) * | 2019-03-13 | 2019-06-18 | 东莞涌韵音膜有限公司 | Vibrating diaphragm with suspender and the Microspeaker using the vibrating diaphragm |
| CN110620975A (en) * | 2018-06-20 | 2019-12-27 | 惠州迪芬尼声学科技股份有限公司 | Terminal group and loudspeaker with same |
| CN110832882A (en) * | 2017-06-28 | 2020-02-21 | 歌乐株式会社 | Loudspeaker |
| WO2020238709A1 (en) * | 2019-05-29 | 2020-12-03 | 朱达云 | Bone conduction vibrator and bone conduction listening device |
-
2015
- 2015-07-24 CN CN201520546336.8U patent/CN204948337U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060735A (en) * | 2016-08-05 | 2016-10-26 | 深圳市西西艾电子厂 | Miniature loudspeaker and miniature loudspeaker assembly method |
| CN106385652A (en) * | 2016-12-05 | 2017-02-08 | 深圳市睿冠科技有限公司 | Earphone minisize loudspeaker assembly |
| CN106658311A (en) * | 2017-01-20 | 2017-05-10 | 深圳市吉瑞德隆电子科技有限公司 | Loudspeaker and electronic device |
| CN110832882A (en) * | 2017-06-28 | 2020-02-21 | 歌乐株式会社 | Loudspeaker |
| US10887702B2 (en) | 2017-06-28 | 2021-01-05 | Clarion Co., Ltd. | Loudspeaker |
| CN110832882B (en) * | 2017-06-28 | 2021-05-25 | 歌乐株式会社 | Loudspeaker |
| CN110620975A (en) * | 2018-06-20 | 2019-12-27 | 惠州迪芬尼声学科技股份有限公司 | Terminal group and loudspeaker with same |
| CN108737914A (en) * | 2018-08-15 | 2018-11-02 | 斯贝克电子（嘉善）有限公司 | A kind of loudspeaker and the speaker with the loudspeaker |
| CN108737914B (en) * | 2018-08-15 | 2023-11-03 | 斯贝克电子（嘉善）有限公司 | Horn and sound box with same |
| CN109905825A (en) * | 2019-03-13 | 2019-06-18 | 东莞涌韵音膜有限公司 | Vibrating diaphragm with suspender and the Microspeaker using the vibrating diaphragm |
| WO2020238709A1 (en) * | 2019-05-29 | 2020-12-03 | 朱达云 | Bone conduction vibrator and bone conduction listening device |
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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. |