CN204761698U - Miniature loudspeaker - Google Patents
Miniature loudspeaker Download PDFInfo
- Publication number
- CN204761698U CN204761698U CN201520431158.4U CN201520431158U CN204761698U CN 204761698 U CN204761698 U CN 204761698U CN 201520431158 U CN201520431158 U CN 201520431158U CN 204761698 U CN204761698 U CN 204761698U
- Authority
- CN
- China
- Prior art keywords
- shell
- microspeaker
- magnet
- vibrating diaphragm
- nickel coating
- 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.)
- Expired - Fee Related
Links
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 238000007747 plating Methods 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000005855 radiation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model provides a miniature loudspeaker, including magnetic circuit, vibration system and auxiliary system, magnetic circuit includes the magnetic conduction yoke and is fixed in the magnet and the hua si on magnetic conduction yoke surface, vibration system include the vibrating diaphragm and with the vibrating diaphragm fixed voice coil loudspeaker voice coil that bonds, auxiliary system include the shell and with shell matched with protecgulum, the surface of shell is provided with the nickel coating. Utilize the utility model discloses, set up the one deck nickel coating on the surface of shell, can solve the radiating problem of miniature loudspeaker, can increase the intensity of shell simultaneously, improve the pleasing to the eye degree of miniature loudspeaker product.
Description
Technical field
The utility model relates to electroacoustic switch technology field, more specifically, relates to a kind of Microspeaker.
Background technology
Along with the progress of society and the development of technology, in recent years, the electronic product such as mobile phone, television set volume constantly reduces, increasingly slimming, the performance requirement of people to these electronic products is also more and more higher, thus also requiring that the volume of electronic component supporting with it, thickness are constantly reducing, performance and consistency but improve constantly.
Therefore, with the electronic component that the electronic product such as mobile phone, television set is supporting---Microspeaker is also along with the performance requirement of these electronic products, and the requirement of self performance is also more and more higher, and its power is increasing, therefore, the heat radiation of Microspeaker is had higher requirement.Heat dissipation problem has become restriction and has improved one of key factor of Microspeaker performance, if loud speaker heat radiation is bad, loud speaker can be caused to occur shell and the problem such as diaphragm deformation, voice coil loudspeaker voice coil loose wire.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of Microspeaker, arranges one deck nickel coating in case surface, to solve the problem of Microspeaker heat radiation.
The utility model provides a kind of Microspeaker, comprises magnetic circuit system, vibrational system and auxiliary system; Described magnetic circuit system comprises conductive magnetic yoke and is fixed on magnet and the washer on described conductive magnetic yoke surface; Described vibrational system comprises vibrating diaphragm and to bond fixing voice coil loudspeaker voice coil with described vibrating diaphragm; The protecgulum that described auxiliary system comprises shell and matches with described shell, wherein, the surface of shell is provided with nickel coating.
In addition, preferred structure is, described nickel coating wraps up the inner surface and outer surface that described shell and described magnetic circuit fit.
In addition, preferred structure is, described nickel coating is molded over the surface of described shell by changing plating.
In addition, preferred structure is, described vibrating diaphragm comprises vibrating diaphragm body and is incorporated into the reinforcement part of described vibrating diaphragm body center.
In addition, preferred structure is, magnet comprises centring magnet and the limit magnet around centring magnet; Washer comprises the center washer being covered in described centring magnet surface and the limit washer being covered in described limit magnet surface.
From technical scheme above, the Microspeaker that the utility model provides, arranges one deck nickel coating on the surface of plastic casing, can obtain following beneficial effect:
1, increase the conductive coefficient of shell, reduce product temperature;
2, increase the heatproof temperature of shell, improve the high-temperature capability of shell;
3, the intensity of shell is increased;
4, loud speaker good looking appearance degree is increased.
Accompanying drawing explanation
By reference to the content below in conjunction with the description of the drawings and claims, and understand more comprehensively along with to of the present utility model, other object of the present utility model and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 is the decomposition texture schematic diagram of the Microspeaker according to the utility model embodiment;
Fig. 2 is the vertical view of the Microspeaker structure according to the utility model embodiment;
Fig. 3-1 is the generalized section of Fig. 2 along A-A line;
Fig. 3-2 is the generalized section of Fig. 2 along B-B line;
Fig. 4-1 is the product appearance schematic diagram of conventional micro-speaker;
Fig. 4-2 is the product appearance schematic diagram of the Microspeaker according to the utility model embodiment.
Reference numeral wherein comprises: protecgulum 1, reinforcement part 2, vibrating diaphragm body 3, voice coil loudspeaker voice coil 4, center washer 5, centring magnet 6, limit washer 7, limit magnet 8, conductive magnetic yoke 9, shell 10, nickel coating 11.
Label identical in all of the figs indicates similar or corresponding feature or function.
Embodiment
To dispel the heat bad problem for existing Microspeaker, the utility model proposes a kind of new Microspeaker, solve its heat dissipation problem, to avoid causing due to heat radiation Microspeaker to occur the problems such as shell, diaphragm deformation and voice coil loudspeaker voice coil loose wire.
Below with reference to accompanying drawing, specific embodiment of the utility model is described in detail.
Fig. 1 is the decomposition texture of the Microspeaker according to the utility model embodiment.
As shown in Figure 1, the Microspeaker that the utility model provides, involving vibrations system, magnetic circuit system and auxiliary system.Wherein, auxiliary system comprises the protecgulum 1 and shell 10 that combine, wherein, the surface of shell 10 is provided with nickel coating 11.During concrete enforcement, the inner surface that nickel coating 11 covering shell 10 and magnetic circuit are fitted and outer surface, and do not comprise the frosting of pad or shell fragment position, to avoid short circuit, this process can realize by changing depositing process.The cavity that protecgulum 1 and the shell 10 being provided with nickel coating 11 surround contains vibrational system and magnetic circuit system.
Vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil 4, and vibrating diaphragm comprises vibrating diaphragm body 3 and is incorporated into the reinforcement part 2 of vibrating diaphragm body 3 center.The homonymy of vibrating diaphragm body 3 can be fixed in voice coil loudspeaker voice coil 4 and reinforcement part 2, also can be individually fixed in the both sides of vibrating diaphragm body 3; Vibrating diaphragm body 3 comprises the central area fixing with reinforcement part 4 and is arranged at the ring portion at edge, central area, and ring portion is raised or sunken structure.
Magnetic circuit system comprises washer, magnet and conductive magnetic yoke 9; Wherein, magnet is for generation of magnetic field, and the magnetic line of force that washer sends for revising magnet, conductive magnetic yoke 9 for fixed magnet, and revises the magnetic line of force.Wherein, washer comprises center washer 5 and limit washer 7, and magnet comprises centring magnet 6 and limit magnet 8.
Particularly, conductive magnetic yoke 9 is fixed with the shell 10 being provided with nickel coating 11, and the center of conductive magnetic yoke 9 is provided with centring magnet 6, and centring magnet 6 is provided with limit magnet 8; Centring magnet 6 and limit magnet 8 are respectively arranged with center washer 5 and limit washer 7 away from conductive magnetic yoke 9 side; Form magnetic gap between centring magnet 6 and limit magnet 8, one end of voice coil loudspeaker voice coil 4 is arranged in above-mentioned magnetic gap.
In order to further illustrate the shell mechanism of Microspeaker, Fig. 2 to Fig. 4-2 has carried out exemplary sign to the structure of application Microspeaker of the present utility model respectively from different perspectives.Particularly, Fig. 2 shows the vertical view of the Microspeaker structure according to the utility model embodiment; Fig. 3-1 is the sectional structure of Fig. 2 along A-A line; Fig. 3-2 is the sectional structure of Fig. 2 along B-B; Fig. 4-1 shows the schematic appearance of conventional micro-speaker product, and wherein, the surface of shell 10 does not have the setting of nickel coating 11; Fig. 4-2 shows the schematic appearance of the Microspeaker product according to the utility model embodiment, can obviously see from Fig. 4-2, Microspeaker of the present utility model, and the surface conjunction of its shell 10 has nickel coating 11.
As shown in Fig. 2 to Fig. 4-2, the shell of general Microspeaker is plastic casing, in embodiment of the present utility model, at plastic casing plating nickel on surface, forms one deck nickel coating 11.Wherein, smooth, the bubble-free of the nickel coating 11 of formation, even, bright and clean and without coming off.
In embodiment of the present utility model, the shell 10 that surface is provided with nickel coating 11 is as one of the parts of Microspeaker, its conductive coefficient can be increased, the larger Microspeaker of power is in the process used, can dispel the heat in time, reduce the temperature of Microspeaker, there is shell and the problem such as diaphragm deformation and voice coil loudspeaker voice coil loose wire at work in the Microspeaker avoiding power larger, to ensure that Microspeaker has good acoustical behavior in the course of the work.
In addition, Microspeaker of the present utility model, can increase the heatproof temperature of shell, thus can improve the high-temperature capability of shell.
In addition, Microspeaker of the present utility model, under the effect of nickel coating 11, the intensity of shell 10 can increase, and can also beautify shell 10 simultaneously, increases the good looking appearance degree of Microspeaker.
It should be noted that, the color of the plastic casing of non-nickel plating is black, be then silver color in the color of the shell 10 of shell plating nickel on surface, it is more attractive in appearance that the shell 10 being therefore provided with nickel coating 11 is assembled into the profile that Microspeaker is assembled into Microspeaker than the shell of non-nickel plating.
Can be found out by above-mentioned execution mode, the Microspeaker that the utility model provides, the surface of shell 10 arranges nickel coating 11, can increase the conductive coefficient of shell 10, reduces product temperature, can solve the problem of Microspeaker heat radiation; The heatproof temperature of shell 10 can also be increased simultaneously, improve the high-temperature capability of shell 10; And the intensity of shell 10 and the profile of Microspeaker attractive in appearance can be increased.
The Microspeaker according to the utility model proposes is described in an illustrative manner above with reference to accompanying drawing.But, it will be appreciated by those skilled in the art that the Microspeaker that above-mentioned the utility model is proposed, various improvement can also be made on the basis not departing from the utility model content.Therefore, protection range of the present utility model should be determined by the content of appending claims.
Claims (5)
1. a Microspeaker, comprises magnetic circuit system, vibrational system and auxiliary system; Described magnetic circuit system comprises conductive magnetic yoke and is fixed on magnet and the washer on described conductive magnetic yoke surface; Described vibrational system comprises vibrating diaphragm and to bond fixing voice coil loudspeaker voice coil with described vibrating diaphragm; The protecgulum that described auxiliary system comprises shell and matches with described shell; It is characterized in that,
The surface of described shell is provided with nickel coating.
2. Microspeaker as claimed in claim 1, is characterized in that:
Described nickel coating wraps up the inner surface and outer surface that described shell and described magnetic circuit fit.
3. Microspeaker as claimed in claim 1, is characterized in that,
Described nickel coating is molded over the surface of described shell by changing plating.
4. Microspeaker as claimed in claim 1, is characterized in that,
Described vibrating diaphragm comprises vibrating diaphragm body and is incorporated into the reinforcement part of described vibrating diaphragm body center.
5. Microspeaker according to claim 1, is characterized in that,
Described magnet comprises centring magnet and around the limit magnet that described centring magnet is arranged; Described washer comprises the center washer being covered in described centring magnet surface and the limit washer being covered in described limit magnet surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431158.4U CN204761698U (en) | 2015-06-19 | 2015-06-19 | Miniature loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431158.4U CN204761698U (en) | 2015-06-19 | 2015-06-19 | Miniature loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204761698U true CN204761698U (en) | 2015-11-11 |
Family
ID=54476362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520431158.4U Expired - Fee Related CN204761698U (en) | 2015-06-19 | 2015-06-19 | Miniature loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204761698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017157329A1 (en) * | 2016-03-17 | 2017-09-21 | Sound Solutions International Co., Ltd. | Electroacoustic transducer with improved thermal characteristics |
-
2015
- 2015-06-19 CN CN201520431158.4U patent/CN204761698U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017157329A1 (en) * | 2016-03-17 | 2017-09-21 | Sound Solutions International Co., Ltd. | Electroacoustic transducer with improved thermal characteristics |
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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. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20200619 |