CN101841760B - The manufacture method of minitype acoustic generator - Google Patents
The manufacture method of minitype acoustic generator Download PDFInfo
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- CN101841760B CN101841760B CN200910188673.3A CN200910188673A CN101841760B CN 101841760 B CN101841760 B CN 101841760B CN 200910188673 A CN200910188673 A CN 200910188673A CN 101841760 B CN101841760 B CN 101841760B
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Abstract
The invention provides a kind of manufacture method of minitype acoustic generator, the method comprise the steps: to provide basin frame, and the magnetic bowl that connects of basin frame group, be fixed in magnetic bowl and and magnetic bowl between form magnetic gap magnet steel, lid be connected on the motion of the pole piece on magnet steel, the vibrator coil that can move and vibrated coil and the vibrating diaphragm that drives in magnetic gap; The mode of utilizing laser direct forming on basin frame thereon surface forms conductive layer, using as hearing aid coil; The basin frame, magnetic bowl, magnet steel, pole piece, vibrator coil and the vibrating diaphragm that are provided with hearing aid coil are fitted together. manufacture method of the present invention can be saved the inner space of minitype acoustic generator, reduce its volume, weight lightens, be conducive to microminiaturized, ultra-thin future development.
Description
[technical field]
The present invention relates to a kind of manufacture method of acoustical generator, relate in particular to a kind of manufacture method of the minitype acoustic generator with hearing-aid function.
[background technology]
In recent years along with the fast development of mobile communication technology, consumer uses mobile communication equipment more and more, and for example portable phone, the portable phone that can surf the Net, personal digital assistant, laptop computer, laptop computer maybe can be by other equipment public or that dedicated communications network communicates. and the growing demand of the said equipment has promoted the improvement of manufacturing process, power consumption and the miniaturization aspect of integrated audio components thereon.
A kind of minitype acoustic generator 10 ' related to the present invention can be referring to Fig. 1. and Fig. 1 (a) is depicted as related to the present invention micro-it comprises magnetic bowl 11 ' type acoustical generator 10 ', be contained in the magnet 12 ' in magnetic bowl 11 ', with magnet 12, the pole piece 13 ' of butt, with magnetic the basin frame 14 ' that bowl 11 ' group connects, be arranged on the voice coil loudspeaker voice coil 15 ' between magnet 12 ' and magnetic bowl 11 ', the vibrating diaphragm being connected with voice coil loudspeaker voice coil 15 ' 16 ', lid is connected to the lid 17 on basin frame 15 ', with the hearing aid coil 18 ' fitting on lid 17 '. listening help circle 18 ' is for listening the service function that power impedient people provides, utilize the hearing aid in alternating electromagnetic field and the Hearing Impaired's ear that listening help circle 18 ' produces device induction, can help Hearing Impaired to hear sound. Fig. 1 (b) is the another kind of implementation of minitype acoustic generator 10 ', by hearing aid coil 18 ' is arranged between magnetic bowl 11 ' and basin frame 15 '.
Wherein, listening help circle 18 ' is to be formed by metal wire coiling, and this listening help circle 18 ' volume that utilizes canoe to make is larger, takies the inner space of mini-sound device 10 ', the volume of mini-sound device 10 ' is increased, cannot adapt to the direction of its microminiaturization, ultra-thin development.
Therefore, be necessary to propose a kind of new technical scheme and solve the problems referred to above.
[summary of the invention]
The technical problem that the present invention need solve is to provide that a kind of volume is little, the manufacture method of the minitype acoustic generator that has hearing-aid function.
The present invention solves above-mentioned technical problem by such technical scheme:
A manufacture method for minitype acoustic generator, is characterized in that, the method comprises the steps:
Provide basin frame, and the magnetic bowl that connects of basin frame group, be fixed in magnetic bowl and and magnetic bowl between form magnet steel, the lid of magnetic gap Be connected on the motion of the pole piece on magnet steel, the vibrator coil that can move and vibrated coil and shaking of driving in magnetic gap Film, the skewed surface that described basin sets up upper surface, inner surface and extended to inner surface by upper surface, the orthographic projection of described skewed surface In the region of vibrating diaphragm;
The mode of utilizing laser direct forming on basin frame forms metal conducting layer at its skewed surface, using as hearing aid line Circle;
The basin frame, magnetic bowl, magnet steel, pole piece, vibrator coil and the vibrating diaphragm that are provided with hearing aid coil are fitted together.
As a modification of the present invention, the manufacturing process of described basin frame is to be added with on the plastics of metal active agent, with swashing light projection, form surface the working of plastics with metal activation particle.
As a modification of the present invention, described conductive layer is taking copper as main metal composite layer.
As a modification of the present invention, described plastics are thermoplastic.
Compared with prior art, the present invention has the following advantages: hearing aid coil is set in micro-telephone receiver by the mode of laser direct forming of the present invention, can save receiver inner space, make that its volume reduces, weight lightens, more be conducive to microminiaturized, ultra-thin future development.
[brief description of the drawings]
Fig. 1 is the profile of minitype acoustic generator related to the present invention.
Fig. 2 is the three-dimensional exploded view of minitype acoustic generator of the present invention.
Fig. 3 is the hearing aid coil schematic diagram of minitype acoustic generator of the present invention.
[detailed description of the invention]
Below in conjunction with drawings and embodiments, the invention will be further described.
As shown in Figure 2, be minitype acoustic generator 10 of the present invention, comprise magnetic circuit system, vibrational system, basin frame 14 and upper cover 17.
Magnetic circuit system in the present invention comprises magnetic bowl 11, magnet steel 12 and pole piece 13. vibrational system involving vibrations coil 15 Hes vibrating diaphragm 16. magnetic bowls 11 connect and form reception room with 14 groups, basin frame, magnet steel 12 is accommodated by magnetic bowl 11 and is made magnet steel 12 be fixed on magnetic bowl in 11, magnetic bowl 11 forms magnetic gap with magnet steel 12, pole piece 13 depends on lid and is connected on magnet steel 12, object is for closed magnetic path, subtract little magnetic leakage. vibrator coil 15 has two lead-in wires 150, this lead-in wire 150 obtains electric current from outside motherboard circuit, coil 15 is had electric current input, under the magnetic fields that the vibrator coil 15 of energising produces at magnetic circuit system, in magnetic gap, move, thereby band moving connected vibrating diaphragm 16 vibrates and sounds, and by being positioned at the upper cover 17 of vibrating diaphragm 16 tops and depending on the anti-of upper cover 17 dirt net 18 and spread out of the external world.
In the lump with reference to Fig. 3, the skewed surface 142 that basin frame 14 is provided with upper surface 140, inner surface 141 and is extended to inner surface 141 by upper surface 140, skewed surface 142 comprises the outward flange joining with upper surface 140 and the inward flange joining with inner surface 141. skewed surface 142 is provided with hearing aid coil 18, described hearing aid coil 18 is around described magnetic bowl 11, and this hearing aid coil 18 is to adopt the mode of laser direct forming to be integrated on basin frame 14. and its step is as follows:
Provide the plastic components that can be processed by laser direct forming, as the raw material of basin frame 14;
In plastic components, add a kind of can be by the additive of laser activation;
On the skewed surface 142 of basin frame 14, by the outward flange of skewed surface 142 to the inner periphery of inward flange along skewed surface 142 Continuous using swashs light projection;
Through swashing light projection, metallic can be formed on 14 surface of frame, as the reducing agent of the shaping of hearing aid coil 18, catalysis
Metal deposit.And the embedded track of hearing aid coil 18 can be made in the generation of 14 surface of frame, it is ensured that hearing aid coil 18 and frame
14 good combination；
On 14 surface of frame for swashing light projection, deposited metal material, using as metal conducting layer, i.e. hearing aid coil 18.
Preferably, the conductive layer is the metal composite layer based on copper.
Preferably, the plastics are thermoplastic.
The frame 14 of hearing aid coil 18, magnetic bowl 11, magnet steel 12, pole piece 13, vibrator coil 15, vibrating diaphragm 16, upper lid will be provided with
17 and Air Filter 18 fit together, formed a complete minitype acoustic generator 10 for having hearing-aid function.
Due to present invention employs the mode of laser direct forming, hearing aid coil is arranged in micro-telephone receiver, so that it may
To save receiver inner space so as to which volume reduces, weight, is more beneficial for developing to ultra-thin, miniature direction.
Above-described is only embodiments of the present invention, it should be noted here that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to the protection model of the present invention
Enclose.
Claims (4)
1. a kind of manufacture method of minitype acoustic generator, it is characterised in that the method comprises the steps：
Magnetic bowl that frame and frame group connect is provided, and is fixed in magnetic bowl and the magnet steel of magnetic gap, lid is formed between magnetic bowl and be connected on
Pole piece, the vibrating diaphragm that can be driven in the vibrator coil of motion in magnetic gap and the motion of vibrated moving winding on magnet steel, institute
The skewed surface that frame is provided with upper surface, inner surface and is extended by upper surface inner surface is stated, the orthographic projection of the skewed surface is being shaken
In the region of film；
Mode using laser direct forming in frame forms metal conducting layer in its skewed surface, using as hearing aid coil；
The hearing aid coil is around the magnetic bowl；
The frame, magnetic bowl, magnet steel, pole piece, vibrator coil and the vibrating diaphragm that are provided with hearing aid coil are fitted together.
2. the manufacture method of minitype acoustic generator according to claim 1, it is characterised in that：The manufacturing process of the frame
It is on the plastics for being added with metal active agent, to use sharp light projection, form the working of plastics that surface has metal activation particle.
3. the manufacture method of minitype acoustic generator according to claim 1, it is characterised in that：The metal conducting layer is with copper
Based on metal composite layer.
4. the manufacture method of minitype acoustic generator according to claim 2, it is characterised in that：The plastics are moulded for thermoplasticity
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910188673.3A CN101841760B (en) | 2009-12-07 | 2009-12-07 | The manufacture method of minitype acoustic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910188673.3A CN101841760B (en) | 2009-12-07 | 2009-12-07 | The manufacture method of minitype acoustic generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101841760A CN101841760A (en) | 2010-09-22 |
| CN101841760B true CN101841760B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910188673.3A Active CN101841760B (en) | 2009-12-07 | 2009-12-07 | The manufacture method of minitype acoustic generator |
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| CN (1) | CN101841760B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056059B (en) * | 2011-01-05 | 2014-08-13 | 瑞声声学科技(深圳)有限公司 | Multifunctional acoustic generator |
| CN106034367B (en) * | 2015-03-09 | 2019-10-29 | 佛山市顺德区美的电热电器制造有限公司 | Coil and its preparation method and application |
| CN106376119A (en) * | 2015-07-20 | 2017-02-01 | 佛山市顺德区美的电热电器制造有限公司 | Coil panel and electromagnetic heating device |
| CN105681979B (en) * | 2015-12-31 | 2019-07-19 | 歌尔股份有限公司 | Loudspeaker |
| CN106210997A (en) * | 2016-08-26 | 2016-12-07 | 广东欧珀移动通信有限公司 | A kind of speaker and terminal |
| CN106454661B (en) * | 2016-11-09 | 2019-06-28 | Oppo广东移动通信有限公司 | The preparation method of loudspeaker assembly and terminal and loudspeaker assembly |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1601665A (en) * | 2004-10-21 | 2005-03-30 | 王叙平 | Inductance coil and divider applied for speaker |
| CN101552940A (en) * | 2009-03-13 | 2009-10-07 | 瑞声声学科技(深圳)有限公司 | Miniature sounder |
-
2009
- 2009-12-07 CN CN200910188673.3A patent/CN101841760B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1601665A (en) * | 2004-10-21 | 2005-03-30 | 王叙平 | Inductance coil and divider applied for speaker |
| CN101552940A (en) * | 2009-03-13 | 2009-10-07 | 瑞声声学科技(深圳)有限公司 | Miniature sounder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101841760A (en) | 2010-09-22 |
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