CN105208499A - Micro acoustic generator and method for manufacturing micro acoustic generator - Google Patents
Micro acoustic generator and method for manufacturing micro acoustic generator Download PDFInfo
- Publication number
- CN105208499A CN105208499A CN201510677552.0A CN201510677552A CN105208499A CN 105208499 A CN105208499 A CN 105208499A CN 201510677552 A CN201510677552 A CN 201510677552A CN 105208499 A CN105208499 A CN 105208499A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- silica gel
- gel ring
- acoustic generator
- electric wire
- Prior art date
- 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.)
- Granted
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The invention discloses a micro acoustic generator and a method for manufacturing the micro acoustic generator. The micro acoustic generator comprises a vibrating membrane and a voice coil for driving the vibrating membrane to vibrate to make sounds; the vibrating membrane comprises a ball top and a silica gel folding ring arranged around the ball top; voice coil lead wires are arranged on the voice coil; the micro acoustic generator further comprises flexible circuit boards fixedly supported on the ball top and conductive wires embedded in the silica gel folding ring; the voice coil lead wires are electrically connected with the flexible circuit boards; one end of each conductive wire is electrically connected with the corresponding flexible circuit board and the other ends of the conductive wires are electrically connected with an electric signal input end of the micro acoustic generator so as to realize energization of the voice coil. The micro acoustic generator can save internal additional space-reserving space, and is excellent in performance and high in reliability.
Description
[technical field]
The present invention relates to electroacoustic transducer field, particularly relate to a kind of minitype acoustic generator and make the method for this minitype acoustic generator.
[background technology]
Minitype acoustic generator is widely used in the portable electric appts such as mobile phone, notebook computer, hearing aids.Along with the fast development of these portable electric appts, the requirement of people to the minitype acoustic generator be applied to wherein is also more and more higher.
The minitype acoustic generator of correlation technique comprises vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of vibrating diaphragm side, and voice coil loudspeaker voice coil is provided with voice coil leads, and the pad that voice coil leads is welded on frame realizes the energising of voice coil loudspeaker voice coil, voice coil leads drives during diaphragm oscillations at voice coil loudspeaker voice coil and does stretch bending vibration.
Minitype acoustic generator inside needs additionally to arrange the bit space that allows that voice coil leads does stretch bending vibration; Do in the process of stretch bending vibration in voice coil leads, voice coil leads is easy to collide vibrating diaphragm or frame and causes that pure tone is bad, pullling of voice coil leads causes the uneven acoustical behavior of diaphragm oscillations poor; The hot strength great Yi broken string that the voice coil leads doing stretch bending vibration is born, in order to avoid broken string risk, voice coil loudspeaker voice coil wire rod can only select the wire rod that hot strength is large, the lifting of restriction voice coil loudspeaker voice coil performance.
Therefore, be necessary to provide a kind of new technical scheme to overcome above-mentioned defect in fact.
[summary of the invention]
The invention provides and a kind ofly can save the inner extra bit space that allows, and the minitype acoustic generator that superior performance, reliability are high.
The object of the present invention is achieved like this:
A kind of minitype acoustic generator, it voice coil loudspeaker voice coil comprising vibrating diaphragm and drive described diaphragm oscillations sounding, the silica gel ring that described vibrating diaphragm comprises ball top and arranges around described ball top, described voice coil loudspeaker voice coil is provided with voice coil loudspeaker voice coil lead-out wire, described minitype acoustic generator also comprises the flexible PCB being immobilizated in described ball top and the electric wire be embedded in described silica gel ring further, described voice coil loudspeaker voice coil lead-out wire is electrically connected on described flexible PCB, one end of described electric wire is electrically connected on described flexible PCB, the other end is electrically connected on the electric signal input end of described minitype acoustic generator to realize voice coil loudspeaker voice coil energising.
Preferably, described voice coil loudspeaker voice coil comprises the upper end on close described ball top and bottom away from described ball top relative to described upper end, and described voice coil loudspeaker voice coil lead-out wire is drawn from described upper end.
Preferably, described silica gel ring comprises long a pair relative limit and relative pair of short edges and the arc-shaped side being connected described long limit and minor face successively, and described electric wire is embedded at described arc-shaped side place.
Meanwhile, present invention also offers a kind of method making above-mentioned minitype acoustic generator, the method comprises the step be embedded at by described electric wire in described silica gel ring, and this step comprises:
First, provide mould on compacted under mould and ground floor silica gel ring, with mould injection mo(u)lding ground floor silica gel ring on compacted under mould and ground floor silica gel ring;
Then, provide electric wire and electric wire mould, electric wire is positioned on ground floor silica gel ring, make electric wire and the laminating of ground floor silica gel ring with compacted under mould and electric wire mould;
Subsequently, mould on second layer silica gel ring is provided, with mould injection mo(u)lding second layer silica gel ring on compacted under mould and second layer silica gel ring, ground floor silica gel ring and second layer silica gel ring are injected into and integrally obtain described silica gel ring, and described electric wire is wrapped in described silica gel ring.
The present invention has the following advantages: minitype acoustic generator provided by the invention can save the inner extra bit space that allows, and superior performance, reliability are high.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional exploded view of minitype acoustic generator provided by the invention;
Fig. 2 is the vibrating diaphragm of minitype acoustic generator provided by the invention and the combination schematic diagram of voice coil loudspeaker voice coil;
Fig. 3 is the schematic diagram by mould injection mo(u)lding ground floor silica gel ring step on compacted under mould and ground floor silica gel ring in the method for making minitype acoustic generator provided by the invention;
Fig. 4 is the schematic diagram making electric wire and ground floor silica gel ring laminating step in the method for making minitype acoustic generator provided by the invention with compacted under mould and electric wire mould;
Fig. 5 is the schematic diagram by mould injection mo(u)lding second layer silica gel ring step on compacted under mould and second layer silica gel ring in the method for making minitype acoustic generator provided by the invention.
[embodiment]
Below in conjunction with accompanying drawing, the present invention is elaborated.
As shown in Figure 1, be minitype acoustic generator 100 provided by the invention, it comprises vibrating diaphragm 1, the voice coil loudspeaker voice coil 2 driving vibrating diaphragm 1 vibration sounding, magnet steel 3, magnetic bowl 4 and frame 5, and magnetic bowl 4 is contained in frame 5, and magnet steel 3 is contained in magnetic bowl 4.
With reference to Fig. 2, the silica gel ring 11 that vibrating diaphragm 1 comprises ball top 10 and arranges around ball top 10, voice coil loudspeaker voice coil 2 is provided with voice coil loudspeaker voice coil lead-out wire 20, and voice coil loudspeaker voice coil 2 comprises the upper end 2a on close ball top 10 and bottom 2b away from ball top 10 relative to upper end 2a, and voice coil loudspeaker voice coil lead-out wire 20 is drawn from upper end 2a.
Minitype acoustic generator 100 also comprises the flexible PCB 6 being immobilizated in ball top 10 and the electric wire 7 be embedded in silica gel ring 11 further, silica gel ring 11 comprises long a pair relative limit 11a and relative pair of short edges 11b and the arc-shaped side 11c being connected long limit 11a and minor face 11b successively, electric wire 7 is embedded at arc-shaped side 11c place, electric wire 7 can be selected to be made up of conductive carbon fibre, also can select to be made up of Graphene.Voice coil loudspeaker voice coil lead-out wire 20 is electrically connected on flexible PCB 6, and the electric signal input end that one end 7a is electrically connected on flexible PCB 6, other end 7b is electrically connected on minitype acoustic generator 100 of electric wire 7 is energized to realize voice coil loudspeaker voice coil 2.
Meanwhile, present invention also offers a kind of method making minitype acoustic generator 100, the method comprises the step be embedded at by electric wire 7 in silica gel ring 11, and this step comprises:
First, provide mould 80-2 on compacted under mould 80-1 and ground floor silica gel ring, with mould 80-2 injection mo(u)lding ground floor silica gel ring 11-1 on compacted under mould 80-1 and ground floor silica gel ring, with reference to Fig. 3;
Then, electric wire 7 and electric wire mould 80-3 are provided, electric wire 7 is positioned on ground floor silica gel ring 11-1, with compacted under mould 80-1 and electric wire mould 80-3, electric wire 7 and ground floor silica gel ring 11-1 is fitted, with reference to Fig. 4;
Subsequently, mould 80-4 on second layer silica gel ring is provided, with mould 80-4 injection mo(u)lding second layer silica gel ring 11-2 on compacted under mould 80-1 and second layer silica gel ring, ground floor silica gel ring 11-1 and second layer silica gel ring 11-2 is injected into and integrally obtains silica gel ring 11, and electric wire 7 is wrapped in silica gel ring 11.
Minitype acoustic generator 100 provided by the invention, voice coil loudspeaker voice coil lead-out wire 20 is electrically connected on the flexible PCB 6 on ball top 10, thus voice coil loudspeaker voice coil lead-out wire 20 voice coil loudspeaker voice coil 2 drive in the process of vibrating diaphragm 1 vibration sounding do not do stretch bending vibration, thus do not need the bit space that allows designing stretch bending vibration, the inner extra bit space that allows can be saved, voice coil loudspeaker voice coil lead-out wire 20 can not collide vibrating diaphragm 1 or frame 5 causes pure tone bad, voice coil loudspeaker voice coil lead-out wire 20 also can not pull vibrating diaphragm 1 simultaneously, vibrating diaphragm 1 vibrates and more balances, acoustical behavior is more superior, voice coil loudspeaker voice coil wire rod does not need the hot strength of bearing stretch bending vibration, do not need when carrying out voice coil loudspeaker voice coil wire rod and selecting to consider voice coil loudspeaker voice coil wire rod broken string risk, wire rod range of choice space is large, but the low pure copper wire of the more weak resistivity of hot strength or the light copper-clad aluminum conductor of quality such as can be selected to promote voice coil loudspeaker voice coil performance, electric wire 7 is wrapped in silica gel ring 11, during diaphragm oscillations, electric wire 7 can not depart from silica gel ring 11, reliability is high.
Above-described is only embodiments of the present invention, it should be pointed out that for the person of ordinary skill of the art at this, without departing from the concept of the premise of the invention, can also make improvement, but these all belongs to protection scope of the present invention.
Claims (4)
1. a minitype acoustic generator, it voice coil loudspeaker voice coil comprising vibrating diaphragm and drive described diaphragm oscillations sounding, it is characterized in that, the silica gel ring that described vibrating diaphragm comprises ball top and arranges around described ball top, described voice coil loudspeaker voice coil is provided with voice coil loudspeaker voice coil lead-out wire, described minitype acoustic generator also comprises the flexible PCB being immobilizated in described ball top and the electric wire be embedded in described silica gel ring further, described voice coil loudspeaker voice coil lead-out wire is electrically connected on described flexible PCB, one end of described electric wire is electrically connected on described flexible PCB, the other end is electrically connected on the electric signal input end of described minitype acoustic generator to realize voice coil loudspeaker voice coil energising.
2. minitype acoustic generator according to claim 1, is characterized in that, described voice coil loudspeaker voice coil comprises the upper end on close described ball top and bottom away from described ball top relative to described upper end, and described voice coil loudspeaker voice coil lead-out wire is drawn from described upper end.
3. minitype acoustic generator according to claim 1, is characterized in that, described silica gel ring comprises long a pair relative limit and relative pair of short edges and the arc-shaped side being connected described long limit and minor face successively, and described electric wire is embedded at described arc-shaped side place.
4. make the method for minitype acoustic generator as claimed in claim 1, it is characterized in that, the method comprises the step be embedded at by described electric wire in described silica gel ring, and this step comprises:
First, provide mould on compacted under mould and ground floor silica gel ring, with mould injection mo(u)lding ground floor silica gel ring on compacted under mould and ground floor silica gel ring;
Then, provide electric wire and electric wire mould, electric wire is positioned on ground floor silica gel ring, make electric wire and the laminating of ground floor silica gel ring with compacted under mould and electric wire mould;
Subsequently, mould on second layer silica gel ring is provided, with mould injection mo(u)lding second layer silica gel ring on compacted under mould and second layer silica gel ring, ground floor silica gel ring and second layer silica gel ring are injected into and integrally obtain described silica gel ring, and described electric wire is wrapped in described silica gel ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510677552.0A CN105208499B (en) | 2015-10-19 | 2015-10-19 | The production method of minitype acoustic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510677552.0A CN105208499B (en) | 2015-10-19 | 2015-10-19 | The production method of minitype acoustic generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105208499A true CN105208499A (en) | 2015-12-30 |
| CN105208499B CN105208499B (en) | 2018-12-11 |
Family
ID=54955874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510677552.0A Active CN105208499B (en) | 2015-10-19 | 2015-10-19 | The production method of minitype acoustic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105208499B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107318074A (en) * | 2017-07-28 | 2017-11-03 | 歌尔股份有限公司 | A kind of top dome, vibrational system and loudspeaker |
| CN108462922A (en) * | 2018-01-12 | 2018-08-28 | 瑞声科技(新加坡)有限公司 | Vibrating diaphragm and microphone device |
| WO2019197728A1 (en) * | 2018-04-12 | 2019-10-17 | Buendia Jose | Novel acoustics by permeability of space |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003199193A (en) * | 2001-12-27 | 2003-07-11 | Pioneer Electronic Corp | Speaker system |
| CN204291373U (en) * | 2014-12-23 | 2015-04-22 | 歌尔声学股份有限公司 | Microspeaker |
| CN104853304A (en) * | 2015-04-23 | 2015-08-19 | 歌尔声学股份有限公司 | Silicone vibrating diaphragm, receiver module and method for processing silicone vibrating diaphragm |
| CN204616070U (en) * | 2015-04-23 | 2015-09-02 | 歌尔声学股份有限公司 | A kind of silica gel vibrating diaphragm and loud speaker module |
| CN204887423U (en) * | 2015-07-09 | 2015-12-16 | 张扬 | Miniature sounder |
-
2015
- 2015-10-19 CN CN201510677552.0A patent/CN105208499B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003199193A (en) * | 2001-12-27 | 2003-07-11 | Pioneer Electronic Corp | Speaker system |
| CN204291373U (en) * | 2014-12-23 | 2015-04-22 | 歌尔声学股份有限公司 | Microspeaker |
| CN104853304A (en) * | 2015-04-23 | 2015-08-19 | 歌尔声学股份有限公司 | Silicone vibrating diaphragm, receiver module and method for processing silicone vibrating diaphragm |
| CN204616070U (en) * | 2015-04-23 | 2015-09-02 | 歌尔声学股份有限公司 | A kind of silica gel vibrating diaphragm and loud speaker module |
| CN204887423U (en) * | 2015-07-09 | 2015-12-16 | 张扬 | Miniature sounder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107318074A (en) * | 2017-07-28 | 2017-11-03 | 歌尔股份有限公司 | A kind of top dome, vibrational system and loudspeaker |
| CN107318074B (en) * | 2017-07-28 | 2023-09-29 | 歌尔股份有限公司 | Ball top, vibration system and loudspeaker |
| CN108462922A (en) * | 2018-01-12 | 2018-08-28 | 瑞声科技(新加坡)有限公司 | Vibrating diaphragm and microphone device |
| WO2019197728A1 (en) * | 2018-04-12 | 2019-10-17 | Buendia Jose | Novel acoustics by permeability of space |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105208499B (en) | 2018-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207369296U (en) | A kind of loudspeaker | |
| CN201657291U (en) | Multifunctional mini speaker | |
| CN204465853U (en) | Minitype speaker device and mobile terminal | |
| CN104822112A (en) | Speaker device | |
| CN1717121A (en) | Multi-function actuator capable of preventing vibration | |
| CN104869508A (en) | Electroacoustic conversion device | |
| CN204046803U (en) | Minitype acoustic generator | |
| CN103686558A (en) | Loudspeaker | |
| CN103096224A (en) | Moving-magnetic type speaker | |
| CN105208499A (en) | Micro acoustic generator and method for manufacturing micro acoustic generator | |
| CN107979671A (en) | Mobile terminal | |
| CN204887423U (en) | Miniature sounder | |
| CN205987359U (en) | Mini loudspeaker | |
| CN205040017U (en) | Micro loudspeaker | |
| CN101959105B (en) | Electrostatic loudspeaker | |
| CN105657621B (en) | A kind of loudspeaker assembly and mobile terminal | |
| CN206533538U (en) | Loudspeaker | |
| CN106792400A (en) | Loudspeaker and the method for reducing loudspeaker total harmonic distortion | |
| CN201515491U (en) | Electrostatic type loudspeaker | |
| CN204442681U (en) | There is the receiver of good power armature | |
| CN207427469U (en) | Novel piezoelectric ceramic type high pitch loudspeaker | |
| CN204887443U (en) | Miniature sounder | |
| CN204810530U (en) | Vibrating device and electronic equipment | |
| KR20110103597A (en) | High efficiency micro speaker of conductive glue | |
| CN204616080U (en) | Speaker unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |