CN204217118U - Electro-acoustic element - Google Patents
Electro-acoustic element Download PDFInfo
- Publication number
- CN204217118U CN204217118U CN201420397787.5U CN201420397787U CN204217118U CN 204217118 U CN204217118 U CN 204217118U CN 201420397787 U CN201420397787 U CN 201420397787U CN 204217118 U CN204217118 U CN 204217118U
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- electro
- protecgulum
- vibrating diaphragm
- acoustic element
- frame
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Abstract
The utility model provides a kind of electro-acoustic element, it comprises the frame being surrounded receiving space by sidewall, cover the protecgulum be connected on described frame sidewall, the vibrational system being contained in the magnetic circuit system in frame and being immobilizated in frame, described vibrational system comprises vibrating diaphragm, described vibrating diaphragm comprises and is positioned at periphery and the fixed part fitting in protecgulum lower surface, and described vibrating diaphragm comprises edge, self-retaining portion further and extends to the bending of protecgulum direction and be positioned at the extension of protecgulum side.Electro-acoustic element of the present utility model adds sealing and the water proofing property of electro-acoustic element.
Description
[technical field]
The utility model relates to a kind of electro-acoustic element, especially a kind of Minimized electro-acoustic device.
[background technology]
Along with the development of science and technology, the progress of society, electronic product obtains a large amount of popularizing, and then make magnetic circuit system obtain a large amount of uses, in order to obtain better enjoyment acoustically, the performance requirement of people to electro-acoustic element is more and more higher, and meanwhile, the water proofing property etc. for product requires more and more higher.
Correlation technique electro-acoustic element generally includes the frame and protecgulum that surround receiving space and collecting and is fixed on vibrating diaphragm in receiving space, usually glue is adopted to be fitted in frame by vibrating diaphragm marginal water level land in conventional art, and protecgulum lid is connected on vibrating diaphragm, such structure be subject to the track of glue, cure parameter impact very large, sealing reliability is very low, and water proofing property is bad.
Therefore, be necessary in fact to propose a kind of new electro-acoustic element to overcome the problems referred to above.
[utility model content]
The technical problem that the utility model need solve is to provide the electro-acoustic element of a kind of water proofing property and good airproof performance.
According to above-mentioned technical problem, devise a kind of electro-acoustic element, it comprises the frame being surrounded receiving space by sidewall, cover the protecgulum be connected on described frame sidewall, the vibrational system being contained in the magnetic circuit system in frame and being immobilizated in frame, described vibrational system comprises vibrating diaphragm, and described vibrating diaphragm comprises and is positioned at periphery and the fixed part fitting in protecgulum lower surface, and described vibrating diaphragm comprises edge, self-retaining portion further and extends to the bending of protecgulum direction and be positioned at the extension of protecgulum side.
Preferably, described frame is also provided with the barricade extended to protecgulum direction from described wall upper surface, and described protecgulum to be fixed on frame sidewall and to clamp the extension of described vibrating diaphragm with described barricade.
Preferably, described extension adopts glue bonding with the sidewall of described protecgulum.
Preferably, described electro-acoustic element comprises a centring disk further, and described vibrating diaphragm is fixed on described centring disk.
Preferably, described vibrating diaphragm comprises the ring portion be connected with fixed part, described centring disk comprises the inner ring be connected with ring portion inward flange, the outer shroud be connected with frame sidewall and the connecting portion being connected described inner ring and outer shroud, the upper surface of the fixed part of described vibrating diaphragm is fitted on the lower surface of protecgulum, and the lower surface of fixed part is fitted on the outer shroud of described centring disk.
Preferably, the fixed part of described vibrating diaphragm adopts glue bonding with the lower surface of described protecgulum.
Preferably, described centring disk is FPC plate, and voice coil loudspeaker voice coil is electrically connected at the lower surface of centring disk inner ring.
Preferably, the ring portion of described vibrating diaphragm is provided with fold.
Preferably, described vibrational system comprises further and being sticked in ring portion for adding the ball top of strong vibration.
The vibrating diaphragm of electro-acoustic element of the present utility model is provided with the fixed part fitting in protecgulum lower surface and the extension fitting in protecgulum side surface, adds sealing and the water proofing property of electro-acoustic element.
[accompanying drawing explanation]
Fig. 1 is the exploded view of the utility model electro-acoustic element;
Fig. 2 is the cutaway view of the utility model electro-acoustic element;
Fig. 3 is the schematic diagram of the vibrating diaphragm of the utility model electro-acoustic element;
Fig. 4 is the enlarged drawing of the part A described in Fig. 2.
[embodiment]
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
As depicted in figs. 1 and 2, the utility model electro-acoustic element 100 comprise have surround the frame 3 of receiving space by sidewall 31, lid is connected on the sidewall 31 of frame and jointly surrounds the protecgulum 4 of host cavity with frame, the vibrational system 2 being contained in magnetic circuit system in frame 31 and being immobilizated in frame 3.
As shown in Figure 3, vibrational system 2 comprises vibrating diaphragm 21 and drives the voice coil loudspeaker voice coil 22 of vibrating diaphragm 21 vibration.Described vibrating diaphragm 21 comprises ring portion 212, is sticked in ring portion 212 for adding the ball top of strong vibration and being positioned at the fixed part 213 that vibrating diaphragm periphery is connected with described ring portion 212.Described fixed part 213 is sticked at the lower surface of described protecgulum 4.Further, the edge that described vibrating diaphragm 21 also comprises self-retaining portion 213 extends to protecgulum direction and is fitted in the extension 214 of protecgulum side surface.Described fixed part 213 and extension 214 adopt glue bonding with the lower surface of protecgulum 4 and side surface respectively, thus make vibrating diaphragm 21 and protecgulum 4 form integrative-structure.And this integrative-structure is fixed in frame.Like this, sealing and the water proofing property of electro-acoustic element can be increased.Preferably, the ring portion 212 of described vibrating diaphragm 21 is also provided with the fold 2120 strengthening vibrating diaphragm intensity.Described vibrating diaphragm is ball top and ring part body structure in the present embodiment, and in other execution modes selectable, also can form for ball top and the compacting of ring portion integrative-structure, its principle is identical.
As shown in Figure 4, described frame 3 is also provided with the barricade 311 from the edge of the upper surface of frame sidewall 31 to the outstanding extension in protecgulum direction, and the sidewall being overlapped on frame of described protecgulum is against on described barricade 311.Described protecgulum 4 and barricade 311 clamp the extension 214 of described vibrating diaphragm.Preferably, described barricade 311 also adopts glue sealing with extension 214.Like this, sealing and the water proofing property of electro-acoustic element can be strengthened further.
In the present embodiment, described electro-acoustic element comprises a centring disk 23 further, it connecting portion comprising inner ring 231, outer shroud 232 and be connected described inner ring 231 and outer shroud 232.Wherein, the upper surface of described inner ring 231 and the lower surface of ring portion 212 inward flange fit, and described outer shroud is fixed on the sidewall 31 of described frame, and described protecgulum 4 is overlapped on the upper surface of outer shroud after fitting with vibrating diaphragm 21.Preferably, the lower surface of centring disk 23 adopts glue bonding with the upper surface of frame sidewall, and upper surface adopts glue bonding with the upper surface of vibrating diaphragm fixed part 213.Namely the upper surface of described vibrating diaphragm fixed part 213 is fitted on the lower surface of protecgulum 4, and the lower surface of fixed part 213 is fitted on the outer shroud of described centring disk 23.Described centring disk 23 is FPC plate or latch plate, and in the present embodiment, be FPC plate, described voice coil loudspeaker voice coil 22 is fixed and is electrically connected to the lower surface of described centring disk 23.Certainly, this is only one preferably embodiment, in other execution modes selectable, also centring disk can not be had, described voice coil loudspeaker voice coil is directly fixed on the edge at ball top and drives diaphragm oscillations, the fixed part of described protecgulum and vibrating diaphragm is directly fixed on the sidewall of frame, also can implement.
As depicted in figs. 1 and 2, magnetic circuit system 1 comprises magnet steel 11 and is sticked at the pole piece 12 on magnet steel 11 surface.In the present embodiment, described magnet steel 11 comprises the main magnet steel 111 being positioned at center and the secondary magnet steel 112 of ring-type arranged around main magnet steel 111.Certainly, in other execution modes selectable, described secondary magnet steel 112 also can be the magnet steel of multiple Split type structures, and it can be strip or other shapes; In addition, main magnet steel 111 is also not limited to only have one, in other execution modes selectable, also can have multiple main magnet steel and multiple secondary magnet steel supporting with it; In fact, main magnet steel is only had not have secondary magnet steel also can implement.
On the other side, in present embodiment, pole piece 12 comprises the main pole core 121 that is attached at main magnet steel 111 surface and is sticked at the consequent pole core 122 on secondary magnet steel 112 surface.Described main pole core 121 and consequent pole core 122 are made by permeability magnetic material, play magnetic conduction effect.
Form magnetic gap (non-label) between described main magnet steel 111 and secondary magnet steel 112, described voice coil loudspeaker voice coil 22 inserts in described magnetic gap.In the present embodiment, described electro-acoustic element 100 is single magnetic circuit system, and it has a voice coil loudspeaker voice coil 22, in fact, also when the quantity of main magnet steel is multiple, corresponding, and voice coil loudspeaker voice coil 22 quantity also can be multiple.
The vibrating diaphragm of electro-acoustic element of the present utility model is provided with the fixed part fitting in protecgulum lower surface and the extension fitting in protecgulum side surface, adds sealing and the water proofing property of electro-acoustic element.
Above-described is only execution mode of the present utility model; it should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite not departing from the utility model creation design; improvement can also be made, but these all belong to protection range of the present utility model.
Claims (9)
1. an electro-acoustic element, it comprises the frame being surrounded receiving space by sidewall, cover the protecgulum be connected on described frame sidewall, the vibrational system being contained in the magnetic circuit system in frame and being immobilizated in frame, described vibrational system comprises vibrating diaphragm, described vibrating diaphragm comprises and is positioned at periphery and the fixed part fitting in protecgulum lower surface, it is characterized in that: described vibrating diaphragm comprises edge, self-retaining portion further and extends to the bending of protecgulum direction and be positioned at the extension of protecgulum side.
2. electro-acoustic element according to claim 1, is characterized in that: described frame is also provided with the barricade extended to protecgulum direction from described wall upper surface, and described protecgulum to be fixed on frame sidewall and to clamp the extension of described vibrating diaphragm with described barricade.
3. electro-acoustic element according to claim 2, is characterized in that: described extension adopts glue bonding with the sidewall of described protecgulum.
4. electro-acoustic element according to claim 2, is characterized in that: described electro-acoustic element comprises a centring disk further, and described vibrating diaphragm is fixed on described centring disk.
5. electro-acoustic element according to claim 4, it is characterized in that: described vibrating diaphragm comprises the ring portion be connected with fixed part, described centring disk comprises the inner ring be connected with ring portion inward flange, the outer shroud be connected with frame sidewall and the connecting portion being connected described inner ring and outer shroud, the upper surface of the fixed part of described vibrating diaphragm is fitted on the lower surface of protecgulum, and the lower surface of fixed part is fitted on the outer shroud of described centring disk.
6. electro-acoustic element according to claim 5, is characterized in that: the fixed part of described vibrating diaphragm adopts glue bonding with the lower surface of described protecgulum.
7. electro-acoustic element according to claim 5, is characterized in that: described centring disk is FPC plate.
8. electro-acoustic element according to claim 5, is characterized in that: the ring portion of described vibrating diaphragm is provided with fold.
9. electro-acoustic element according to claim 5, is characterized in that: described vibrational system comprises further and being sticked in ring portion for adding the ball top of strong vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420397787.5U CN204217118U (en) | 2014-07-17 | 2014-07-17 | Electro-acoustic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420397787.5U CN204217118U (en) | 2014-07-17 | 2014-07-17 | Electro-acoustic element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204217118U true CN204217118U (en) | 2015-03-18 |
Family
ID=52985748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420397787.5U Expired - Fee Related CN204217118U (en) | 2014-07-17 | 2014-07-17 | Electro-acoustic element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204217118U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016169253A1 (en) * | 2015-04-20 | 2016-10-27 | 歌尔声学股份有限公司 | Speaker device |
| CN108271106A (en) * | 2018-01-08 | 2018-07-10 | 瑞声科技(新加坡)有限公司 | Loud speaker |
| CN109218936A (en) * | 2018-08-09 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Electro-acoustic element |
| CN110267176A (en) * | 2019-06-29 | 2019-09-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2020119238A1 (en) * | 2018-12-12 | 2020-06-18 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
-
2014
- 2014-07-17 CN CN201420397787.5U patent/CN204217118U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016169253A1 (en) * | 2015-04-20 | 2016-10-27 | 歌尔声学股份有限公司 | Speaker device |
| US10291997B2 (en) | 2015-04-20 | 2019-05-14 | Goertek Inc. | Speaker device |
| CN108271106A (en) * | 2018-01-08 | 2018-07-10 | 瑞声科技(新加坡)有限公司 | Loud speaker |
| CN109218936A (en) * | 2018-08-09 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Electro-acoustic element |
| WO2020119238A1 (en) * | 2018-12-12 | 2020-06-18 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN110267176A (en) * | 2019-06-29 | 2019-09-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180919 Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Patentee after: AAC TECHNOLOGIES Pte. Ltd. Address before: 213167 Changzhou, Jiangsu City, Wujin province summer town villa Patentee before: AAC MICROTECH (CHANGZHOU) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |