CN105050012A - Loudspeaker and assembling method thereof - Google Patents
Loudspeaker and assembling method thereof Download PDFInfo
- Publication number
- CN105050012A CN105050012A CN201510541725.6A CN201510541725A CN105050012A CN 105050012 A CN105050012 A CN 105050012A CN 201510541725 A CN201510541725 A CN 201510541725A CN 105050012 A CN105050012 A CN 105050012A
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- voice coil
- vibrating diaphragm
- frame
- loud speaker
- lead
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Abstract
The invention discloses a loudspeaker and an assembling method thereof. The loudspeaker comprises a magnetic circuit system, a vibration system and a frame for accommodating the magnetic circuit system and the vibration system; the vibration system comprises a vibrating diaphragm and a voice coil having a lead; the loudspeaker is characterized in that the vibrating diaphragm, the voice coil and the frame are integrally formed by injection molding; a welding thread hole corresponding to the lead is formed in the vibrating diaphragm and used for the lead to pass through the vibrating diaphragm. As the frame, the voice coil and the vibrating diaphragm are integrally formed by injection molding, the firmness of the combination of the frame, the voice coil and the vibrating diaphragm is increased, and the manufacturing process of bonding the vibrating diaphragm, the voice coil and the frame is omitted; meanwhile, the lead of the voice coil passes through the vibrating diaphragm, so that the risk that the voice coil lead falls off in the vibrating process is prevented.
Description
[technical field]
The present invention relates to a kind of loud speaker and assemble method thereof, particularly relate to and be a kind ofly used in Microspeaker in portable communication apparatus and assembly method thereof.
[background technology]
For the miniaturization, the multifunction that adapt to various stereo set and information communication device develop, the Microspeaker used in this kind equipment is in requisition for being more tending towards miniaturized, and it is compacter with coordinating of described other elements of Microspeaker periphery, particularly along with the lightening growth requirement of mobile phone, wherein used Microspeaker, not only require miniaturization, more require high tone quality and stereo etc., therefore, the quality of the performance of Microspeaker directly affects the function of the various equipment using described Microspeaker.
The vibrating diaphragm of loud speaker related to the present invention is macromolecular material, and the mode that vibrating diaphragm and frame are bondd by glue is combined, and in the vibration processes of vibrating diaphragm, vibrating diaphragm and frame easily come off, thus affect the performance of loud speaker.
Therefore, be necessary that proposing a kind of new loud speaker solves the problem in fact.
[summary of the invention]
The technical problem that the present invention need solve is to provide a kind of vibrating diaphragm, frame and voice coil loudspeaker voice coil and combines firmly loud speaker and assemble method thereof.
The invention provides a kind of loud speaker, it frame comprising magnetic circuit system, vibrational system and accommodate described magnetic circuit system and vibrational system, described vibrational system comprises vibrating diaphragm and has the voice coil loudspeaker voice coil of lead-in wire, described vibrating diaphragm, voice coil loudspeaker voice coil and frame integrated injection molding; Described vibrating diaphragm offers the guide hole corresponding with described lead-in wire, for passing from described vibrating diaphragm for described lead-in wire.
Preferably, described vibrating diaphragm is silastic material.
Preferably, described silastic material is fluid silicone rubber.
Preferably, described vibrating diaphragm comprises ball top and the ring portion around described ball top, and described guide hole is opened in the position near described ring portion in described ball top.
Preferably, described vibrating diaphragm also comprises the fixed part from described ring portion to described frame bending extension and for being connected with described frame.
Preferably, described frame is provided with annular groove, and the fixed part collecting of described vibrating diaphragm is fixed in described annular groove.
Preferably, described annular groove is that the upper surface of described frame goes to expect to be formed.
Preferably, described vibrating diaphragm is also provided with the limiting section extended from the end bending of described fixed part, and described frame is also provided with the stopper slot be communicated with described annular groove, and described limiting section is contained in described stopper slot.
The invention provides a kind of assemble method of above-mentioned loud speaker, the method comprises the steps:
Step one, provides vibrating diaphragm mould, fixing described frame and voice coil loudspeaker voice coil, and silastic liquid of annotating in described vibrating diaphragm mould forms vibrating diaphragm;
Step 2, described silastic liquid flow in described frame and voice coil loudspeaker voice coil, and the lead-in wire of described voice coil loudspeaker voice coil passes from silastic liquid;
Step 3, silastic liquid solidifies, and vibrating diaphragm is combined with described frame, voice coil loudspeaker voice coil injection moulding and described lead-in wire passes from described vibrating diaphragm.
The present invention has the following advantages: due to frame, voice coil loudspeaker voice coil, vibrating diaphragm integrated injection molding, strengthens frame, voice coil loudspeaker voice coil and the membrane-bound firmness that shakes, and decreases the manufacturing process that vibrating diaphragm and voice coil loudspeaker voice coil, frame bond; Meanwhile, voice coil leads passes from vibrating diaphragm, avoids the risk that voice coil leads comes off in vibration processes.
[accompanying drawing explanation]
Fig. 1 is the cutaway view of the loud speaker of present pre-ferred embodiments;
Fig. 2 is the enlarged drawing of part A in Fig. 1.
[embodiment]
Below in conjunction with drawings and embodiments, the invention will be further described.
As depicted in figs. 1 and 2, a kind of loud speaker that preferred embodiment according to the present invention provides comprises magnetic circuit system 20, vibrational system 10 and accommodates the frame 30 of described magnetic circuit system 20 and vibrational system 10.
Vibrational system 10 comprises vibrating diaphragm 11 and voice coil loudspeaker voice coil 12.Voice coil loudspeaker voice coil 12 comprises voice coil loudspeaker voice coil main body 120 and is positioned at the pair of lead wires 121 of voice coil loudspeaker voice coil main body 120 both sides.Voice coil loudspeaker voice coil 12 is generally the multi turn coil arrangement adopting plain conductor to be entwined.Pair of lead wires 121, respectively as the signal input part of voice coil loudspeaker voice coil 12, inputs the drive singal of vibrational system 10 to realize external drive component.The ring portion 112 that vibrating diaphragm 11 comprises ball top 111 and arranges around ball top 111.Position corresponding with lead-in wire 121 in ball top 111 offers for passing the guide hole 115 of vibrating diaphragm for going between.Preferably, this guide hole 115 is offered at ball top 111 near the position in ring portion 112.Ball top 111 comprises towards the inner surface 111a of frame 30 side and the outer surface 111b that is oppositely arranged with this inner surface 111a.This guide hole 115 runs through the inner surface 111a at ball top 111 to outer surface 111b, and runs through the edge at ball top 111.Vibrating diaphragm 11 also comprises from ring portion 112 towards the fixed part 113 of the direction of frame 30 bending extension and the limiting section 114 being vertically connected on fixed part 113 end.
Magnetic circuit system 20 comprises magnetic sheet 21, be arranged on the main magnet steel 25 of the center position of magnetic sheet 21 and be arranged on magnetic sheet 21 marginal position place secondary magnet steel 23, be sticked main magnet steel 25 upper surface main pole core 26 and be sticked at the consequent pole core 23 of secondary magnet steel 23 upper surface.This secondary magnet steel 23 is arranged to surround main magnet steel 25 and is kept at a certain distance away to form magnetic gap 24 with main magnet steel 25.This voice coil loudspeaker voice coil main body 120 is partly plugged in this magnetic gap 24.
Frame 30 is provided with sidewall 31 and the receiving space (non-label) of the collecting magnetic circuit system 20 that surrounded by sidewall 31 and vibrational system 10.The upper surface 310 of the sidewall 31 of frame 30 is provided with the annular groove 311 of material formation, and fixed part 113 collecting of vibrating diaphragm 11 is fixed in annular groove 311.Preferably, frame 30 is also provided with the stopper slot 312 be connected with annular groove 311.Annular groove 311 and stopper slot 312 form the structure of falling T-shape.Limiting section 114 collecting of vibrating diaphragm 10 is fixed in stopper slot 312, thus, can strengthen the combination degree between vibrating diaphragm 11 and frame 30.
In the present invention, vibrating diaphragm 11, voice coil loudspeaker voice coil 12, frame 30 are integrated injection moldings, and vibrating diaphragm 11 adopts liquid silicone rubber material, silastic liquid flowing through voice coil 12, frame 30, combine after solidification with voice coil loudspeaker voice coil 12, frame 30.In forming process, the lead-in wire 121 of voice coil loudspeaker voice coil 12 passes this silastic liquid, thus makes vibrating diaphragm 11 forms the guide hole 115 corresponding with lead-in wire 121.Silicon rubber vibrating diaphragm 10 has excellent heat resistance, and extensibility is large, and tensile strength is high and hardness is adjustable, thus adopts silastic material.In addition, fluid silicone rubber has good fluidity, and sulfuration is fast, is easy to the advantages such as injection moulding, thus more easily realizes being combined with the injection moulding of frame 30, voice coil loudspeaker voice coil 12.
Present invention also offers the assembly method of a kind of vibrating diaphragm 11 of loud speaker, voice coil loudspeaker voice coil 12, frame 30, the method comprises the steps:
Step one, provides vibrating diaphragm mould, fixing frame 30 and voice coil loudspeaker voice coil 12, and silastic liquid of annotating in vibrating diaphragm mould forms vibrating diaphragm 11;
Step 2, silastic liquid flow in frame 30 and voice coil loudspeaker voice coil 12, and the lead-in wire 121 of voice coil loudspeaker voice coil 12 passes from silastic liquid;
Step 3, silastic liquid solidifies, and vibrating diaphragm 11 is combined with frame 30, voice coil loudspeaker voice coil 12 injection moulding and goes between and 121 to pass from vibrating diaphragm 11.
In the present invention, described step 2 also comprises in the annular groove 311 and stopper slot 312 making silastic liquid flow into frame 30, thus forms fixed part 113 and the limiting section 114 of vibrating diaphragm 11, strengthens the combination degree of described vibrating diaphragm 11 and described frame 30 thus.
Frame 30, voice coil loudspeaker voice coil 12 and vibrating diaphragm 11 integrated injection molding, enhance the firm program of frame 30 and vibrating diaphragm 11, and decrease the manufacturing process that vibrating diaphragm 11 bonds with frame 30.
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 (9)
1. a loud speaker, it frame comprising magnetic circuit system, vibrational system and accommodate described magnetic circuit system and vibrational system, described vibrational system comprises vibrating diaphragm and has the voice coil loudspeaker voice coil of lead-in wire, it is characterized in that, described vibrating diaphragm, voice coil loudspeaker voice coil and frame integrated injection molding; Described vibrating diaphragm offers the guide hole corresponding with described lead-in wire, for passing from described vibrating diaphragm for described lead-in wire.
2. loud speaker according to claim 1, is characterized in that: described vibrating diaphragm is silastic material.
3. loud speaker according to claim 2, is characterized in that: described silastic material is fluid silicone rubber.
4. loud speaker according to claim 3, is characterized in that, described vibrating diaphragm comprises ball top and the ring portion around described ball top, and described guide hole is opened in the position near described ring portion in described ball top.
5. loud speaker according to claim 4, is characterized in that, described vibrating diaphragm also comprises the fixed part from described ring portion to described frame bending extension and for being connected with described frame.
6. loud speaker according to claim 5, is characterized in that, described frame is provided with annular groove, and the fixed part collecting of described vibrating diaphragm is fixed in described annular groove.
7. loud speaker according to claim 6, is characterized in that: described annular groove is that the upper surface of described frame goes to expect to be formed.
8. loud speaker according to claim 7, it is characterized in that: described vibrating diaphragm is also provided with the limiting section extended from the end bending of described fixed part, described frame is also provided with the stopper slot be communicated with described annular groove, and described limiting section is contained in described stopper slot.
9. an assemble method for the loud speaker as described in above arbitrary claim, it is characterized in that, the method comprises the steps:
Step one, provides vibrating diaphragm mould, fixing described frame and voice coil loudspeaker voice coil, and silastic liquid of annotating in described vibrating diaphragm mould forms vibrating diaphragm;
Step 2, described silastic liquid flow in described frame and voice coil loudspeaker voice coil, and the lead-in wire of described voice coil loudspeaker voice coil passes from silastic liquid;
Step 3, silastic liquid solidifies, and vibrating diaphragm is combined with described frame, voice coil loudspeaker voice coil injection moulding and described lead-in wire passes from described vibrating diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510541725.6A CN105050012A (en) | 2015-08-24 | 2015-08-24 | Loudspeaker and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510541725.6A CN105050012A (en) | 2015-08-24 | 2015-08-24 | Loudspeaker and assembling method thereof |
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| CN105050012A true CN105050012A (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510541725.6A Pending CN105050012A (en) | 2015-08-24 | 2015-08-24 | Loudspeaker and assembling method thereof |
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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 |
| CN106375917A (en) * | 2016-11-02 | 2017-02-01 | 深圳市音沃仕科技有限公司 | Voice diaphragm assembly of loudspeaker and manufacturing method thereof |
| CN106973354A (en) * | 2017-04-12 | 2017-07-21 | 歌尔股份有限公司 | The processing method of acoustical device |
| CN107124686A (en) * | 2017-06-29 | 2017-09-01 | 维沃移动通信有限公司 | A kind of loudspeaker, assembly method and electronic equipment |
| CN107529116A (en) * | 2017-08-02 | 2017-12-29 | 瑞声声学科技(常州)有限公司 | Minitype acoustic generator and electronic equipment |
| CN107948913A (en) * | 2017-12-25 | 2018-04-20 | 厦门东声电子有限公司 | A kind of processing method of sound membrane module, sound membrane module and Microspeaker |
| CN110062316A (en) * | 2019-06-20 | 2019-07-26 | 瑞声光电科技(常州)有限公司 | Microphone device |
| WO2021114153A1 (en) * | 2019-12-11 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Loudspeaker vibration member |
| WO2021128336A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| CN113163320A (en) * | 2020-01-07 | 2021-07-23 | 惠州迪芬尼声学科技股份有限公司 | Dispensing-free manufacturing process for manufacturing loudspeaker and loudspeaker manufactured by dispensing-free manufacturing process |
| WO2024000676A1 (en) * | 2022-06-29 | 2024-01-04 | 瑞声光电科技(常州)有限公司 | Speaker box |
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| CN201623845U (en) * | 2009-12-12 | 2010-11-03 | 歌尔声学股份有限公司 | Mini-type movable coil electroacoustic converting device |
| CN102497611A (en) * | 2011-12-23 | 2012-06-13 | 深圳市韶音科技有限公司 | Bone conduction speaker driver with reduced volume |
| CN204291373U (en) * | 2014-12-23 | 2015-04-22 | 歌尔声学股份有限公司 | Microspeaker |
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| US20050254680A1 (en) * | 2004-05-11 | 2005-11-17 | Star Micronics Co., Ltd. | Electroacoustic transducer |
| CN201623845U (en) * | 2009-12-12 | 2010-11-03 | 歌尔声学股份有限公司 | Mini-type movable coil electroacoustic converting device |
| CN101841757A (en) * | 2010-06-10 | 2010-09-22 | 常州市武进攀特电子有限公司 | Portable super-thin speaker |
| CN102497611A (en) * | 2011-12-23 | 2012-06-13 | 深圳市韶音科技有限公司 | Bone conduction speaker driver with reduced volume |
| CN204291373U (en) * | 2014-12-23 | 2015-04-22 | 歌尔声学股份有限公司 | Microspeaker |
Cited By (15)
| 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 |
| CN106375917A (en) * | 2016-11-02 | 2017-02-01 | 深圳市音沃仕科技有限公司 | Voice diaphragm assembly of loudspeaker and manufacturing method thereof |
| CN106973354B (en) * | 2017-04-12 | 2018-11-30 | 歌尔股份有限公司 | The processing method of acoustical device |
| CN106973354A (en) * | 2017-04-12 | 2017-07-21 | 歌尔股份有限公司 | The processing method of acoustical device |
| CN107124686A (en) * | 2017-06-29 | 2017-09-01 | 维沃移动通信有限公司 | A kind of loudspeaker, assembly method and electronic equipment |
| CN107124686B (en) * | 2017-06-29 | 2021-01-08 | 维沃移动通信有限公司 | Loudspeaker, assembling method and electronic equipment |
| CN107529116A (en) * | 2017-08-02 | 2017-12-29 | 瑞声声学科技(常州)有限公司 | Minitype acoustic generator and electronic equipment |
| CN107948913A (en) * | 2017-12-25 | 2018-04-20 | 厦门东声电子有限公司 | A kind of processing method of sound membrane module, sound membrane module and Microspeaker |
| CN107948913B (en) * | 2017-12-25 | 2020-06-26 | 厦门东声电子有限公司 | Processing method of sound film assembly, sound film assembly and micro loudspeaker |
| CN110062316A (en) * | 2019-06-20 | 2019-07-26 | 瑞声光电科技(常州)有限公司 | Microphone device |
| WO2021114153A1 (en) * | 2019-12-11 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Loudspeaker vibration member |
| WO2021128336A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| CN113163320A (en) * | 2020-01-07 | 2021-07-23 | 惠州迪芬尼声学科技股份有限公司 | Dispensing-free manufacturing process for manufacturing loudspeaker and loudspeaker manufactured by dispensing-free manufacturing process |
| CN113163320B (en) * | 2020-01-07 | 2023-05-16 | 惠州迪芬尼声学科技股份有限公司 | Non-dispensing process for manufacturing loudspeaker and loudspeaker thereof |
| WO2024000676A1 (en) * | 2022-06-29 | 2024-01-04 | 瑞声光电科技(常州)有限公司 | Speaker box |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160125 Address after: 5, building 1, building 1668, 213200 Hua Cheng Road, Jintan District, Jiangsu, Changzhou Applicant after: CHANGZHOU JINTAN YINGJIE ELECTRONICS CO., LTD. Address before: 10, 518057 floor, B hall, global digital building, No. three, No. 9, Nanshan District hi tech, Shenzhen, Guangdong, China Applicant before: Zhang Yang |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170726 Address after: 518057 Guangdong Province, Shenzhen City Southern District of Nanshan District high tech Zone Three Road No. 6 Shenzhen Yuexing Nanjing University research building block A Applicant after: AAC Acoustic Technologies (Shenzhen) Co., Ltd. Address before: 5, building 1, building 1668, 213200 Hua Cheng Road, Jintan District, Jiangsu, Changzhou Applicant before: CHANGZHOU JINTAN YINGJIE ELECTRONICS CO., LTD. |
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