CN203301729U - Loudspeaker device - Google Patents
Loudspeaker device Download PDFInfo
- Publication number
- CN203301729U CN203301729U CN2013202995759U CN201320299575U CN203301729U CN 203301729 U CN203301729 U CN 203301729U CN 2013202995759 U CN2013202995759 U CN 2013202995759U CN 201320299575 U CN201320299575 U CN 201320299575U CN 203301729 U CN203301729 U CN 203301729U
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- fixed part
- voice coil
- speaker unit
- centring disk
- elasticity arm
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Abstract
The utility model discloses a loudspeaker device comprising an auxiliary system, a magnetic circuit system and a vibration system, wherein the auxiliary system includes a front cover and a shell, the magnetic circuit system includes washers, magnets and a magnetic yoke which are combined together from top to bottom, and the vibration system includes a vibration film and a voice coil combined with the vibration film. The vibration system further comprises a centering support sheet including a first fixing part, a second fixing part and a central part; the first fixing part is fixed with the auxiliary system, the second fixing part is combined with the voice coil, and the first fixing part and the second fixing part are connected through an elastic arm; and the second fixing part is arranged on the central part which is provided with reinforcing ribs. The loudspeaker device has the advantages of good acoustic performance, high reliability and high production efficiency.
Description
Technical field
The utility model relates to electroacoustic conversion field, especially relates to a kind of acoustical behavior good, and reliability is high, the speaker unit that production efficiency is high.
Background technology
Along with the expansion in consumer electronics market, the consumer electronics products such as a large amount of mobile phones, notebook computer are used widely, and as acoustic element important in consumer electronics product, the loud speaker module has demand widely.Along with the raising that people require consumer electronics product, the performance of loud speaker module also more and more receives people's concern.
Speaker unit comprises: auxiliary system comprises protecgulum and shell; Magnetic circuit system, comprise the washer that combines from top to bottom, magnet and yoke, and magnetic circuit system is provided with magnetic gap; Vibrational system, comprise vibrating diaphragm, centring disk and the voice coil loudspeaker voice coil that combines with vibrating diaphragm, and voice coil loudspeaker voice coil is arranged in magnetic gap; The curent change that is arranged in the voice coil loudspeaker voice coil in magnetic gap makes the magnetic field force induced effect of voice coil loudspeaker voice coil produce vibration, drives the vibrating diaphragm vibration sounding.The speaker unit of prior art,, in order to improve the acoustical behavior of speaker unit, be provided with ball top and centring disk usually, and the ball top is fixed by mode and the vibrating diaphragm pasted.Paste fixedly ball top assembling difficulty and reliability not high,, in order to guarantee product reliability, need to verify and on technique, adhering state be guaranteed bonding agent, increased production craft step, reduction production efficiency.
Therefore, be necessary the prior art speaker unit is improved, to overcome its defect.
The utility model content
It is good that technical problem to be solved in the utility model is to provide a kind of acoustical behavior, and reliability is high, the speaker unit that production efficiency is high.
To achieve these goals, the utility model is by the following technical solutions:
A kind of speaker unit comprises: auxiliary system comprises protecgulum and shell; Magnetic circuit system, comprise the washer that combines from top to bottom, magnet and yoke; Vibrational system, comprise vibrating diaphragm and the voice coil loudspeaker voice coil that combines with vibrating diaphragm; And: described vibrational system also comprises centring disk, and described centring disk comprises the first fixed part, the second fixed part and centre; Described the first fixed part and described auxiliary system are fixed, and described the second fixed part is combined with described voice coil loudspeaker voice coil, and described the first fixed part is connected by elasticity arm with described the second fixed part; Described the second fixed part is arranged on described centre, and described centre is provided with reinforcement.
As a kind of preferred technical scheme, described centring disk comprises substrate and cover layer; Described substrate comprises the first fixed part and described the second fixed part, and described centre reinforcement is arranged at described cover layer center.
As further preferred, described centring disk and described voice coil loudspeaker voice coil are rectangle.
On the basis of technique scheme:
As a kind of preferred version wherein, the corresponding reinforcement position, described cover layer center of described substrate center is provided with hollow out, is connected by four elasticity arms between described the first fixed part and described the second fixed part.
As the second preferred version, the corresponding reinforcement position, described cover layer center of described substrate center is provided with hollow out, be connected by two elasticity arms between described the first fixed part and described the second fixed part, described elasticity arm partly extends along described the first fixed part major axis.
As the third preferred version, described substrate consists of the first fixed part, the second fixed part and elasticity arm, described the second fixed part is fixed in described the first fixed part by described elasticity arm, and described elasticity arm is two, and described elasticity arm partly extends along described the first fixed part major axis.
The utility model speaker unit, the centring disk center is provided with reinforcement, reinforcement substitutes conventional art speaker unit ball top, improve the product high frequency performance, simultaneously, centring disk is provided with two fixed parts, adopts elasticity arm to connect between two fixed parts, can reduce centring disk weight, the speaker unit frequency performance not exerted an influence.Centring disk center reinforcement, under the prerequisite that does not increase centring disk weight, improve this part intensity, improve the speaker unit high frequency performance, play center reinforcement and the centring disk Integral design of the effect of ball top, when improving reliability, need not paste separately again the ball top, reduce the speaker unit packaging technology, enhance productivity.Therefore, the utlity model has acoustical behavior good, reliability is high, the advantage that production efficiency is high.
Description of drawings
Fig. 1 is the utility model speaker unit embodiment one explosive view.
Fig. 2 is centring disk schematic diagram in Fig. 1.
Fig. 3 is centring disk decomposing schematic representation shown in Figure 2.
Fig. 4 is the utility model speaker unit embodiment two centring disk substrate schematic diagrames.
Fig. 5 is the utility model speaker unit embodiment three centring disk substrate schematic diagrames.
Fig. 6 is the utility model speaker unit embodiment four centring disk substrate schematic diagrames.
Embodiment
, below in conjunction with accompanying drawing, describe the utility model speaker unit concrete structure in detail.
Embodiment one
As shown in Figure 1, an embodiment of the utility model minitype acoustic generator, the minitype acoustic generator of the present embodiment is square structure, comprises auxiliary system, described auxiliary system comprises protecgulum 1 and shell 4; The protecgulum 1 of described auxiliary system and shell 5 form accommodates the cavity that is fixed with magnetic circuit system and vibrational system, magnetic circuit system comprises centring magnet 411 and limit magnet 421, and fixed center magnet 411 and limit magnet 421 and play the yoke 6 of magnetic conduction effect, centring magnet 411 is provided with center washer 412 near the one side of protecgulum 1, limit magnet 421 is provided with limit washer 422 near the one side of protecgulum 1, and centring magnet 411, center washer 412 forms magnetic gap with limit magnet 421, limit washer 422; Vibrational system comprises vibrating diaphragm 21 and voice coil loudspeaker voice coil 22, and voice coil loudspeaker voice coil 23 is arranged in magnetic gap.The utility model minitype acoustic generator, the external circuit electronic signal enters in voice coil loudspeaker voice coil 22, and voice coil loudspeaker voice coil 22 internal currents that are arranged at magnetic gap change the generation magnetic field force, and voice coil loudspeaker voice coil 23 vibrations drive vibrating diaphragm 21 vibration soundings.
As shown in Figure 1, the utility model speaker unit also comprises centring disk 3, and centring disk 3 is arranged between vibrating diaphragm 21 and voice coil loudspeaker voice coil 22.As shown in Figure 2, centring disk 3 comprises between the first fixed part 311, the second fixed parts 312 and reinforcement 321, the first fixed parts 311 and the second fixed part 312 and being connected by elasticity arm 33, and reinforcement 321 is arranged at centring disk 3 centers.The first fixed part 311 is fixing with shell 5, and the second fixed part 312 is fixing with voice coil loudspeaker voice coil 22.Reinforcement 321 can improve the speaker unit high frequency performance, substitutes conventional loudspeakers device ball top, reduces the speaker unit assembling procedure, enhance productivity, simultaneously, avoid improving product reliability because of the fixing not firm integrity problem that causes in ball top.
As shown in Figure 3, centring disk 3 comprises that substrate 31 and cover layer 32, the first fixed parts 311 and the second fixed part 312 and elasticity arm 33 are structure on substrate 31, and cover layer 32 centers are provided with reinforcement 321, substrate 31 and cover layer 32 one connecting shapings.The diagram speaker unit is square structure, and centring disk 3 corresponds to square, in actual applications, can be other shapes.
The utility model speaker unit, adopt centring disk to avoid in speaker unit vibrational system vibration processes producing the polarization noise, improves the speaker unit acoustical behavior.Centring disk the first fixed part and the second standing part are arranged, connect by elasticity arm, when guaranteeing fixed effect, reduce centring disk weight, avoid the impact of centring disk weight increase on the speaker unit frequency performance, simultaneously, the centring disk center arranges reinforcement, reinforcement is combined with vibrating diaphragm, guarantees the high frequency performance of speaker unit and reduces the speaker unit packaging technology, improves speaker unit production efficiency and reliability.
Embodiment two
The present embodiment is the optimization of centring disk structure in embodiment one.
As shown in Figure 4, on the centring disk substrate, center is provided with and expects the hollow out that forms 313, the corresponding cover layer of hollow out 313 center reinforcement Position Design, the first fixed part 311 be connected fixed part 312 and connect by four elasticity arms 33.The hollow out 313 that substrate center arranges can alleviate substrate weight, improves the speaker unit acoustical behavior.
Embodiment three
The present embodiment is the further optimization of centring disk structure in embodiment two.
As shown in Figure 5, shown in Figure 4 identical with embodiment two in the present embodiment, corresponding cover layer reinforcement position, centring disk substrate center position is provided with hollow out, and is different from embodiment two, is connected by two elasticity arms 33 between the present embodiment the first fixed part 311 and the second fixed part 312.The present embodiment speaker unit is square structure, and elasticity arm 33 partly extends along the first fixed part 311 major axis.Compare with embodiment two, the present embodiment centring disk has omitted two elasticity arms, reduces centring disk weight, further improves the speaker unit acoustical behavior.
Embodiment four
The present embodiment is the optimization of centring disk structure in embodiment one.
As shown in Figure 6, the board structure of the present embodiment sequence shaped loudspeaker structure centring disk, the present embodiment substrate consists of the first fixed part 311, the second fixed part 312 and elasticity arm 33, the second fixed part 312 is fixed on the first fixed part 311 by two elasticity arms 33, and elasticity arm 33 partly extends along the first fixed part 311 major axis of square structure centring disk.Compare with front several embodiment, the present embodiment has further been simplified the centring disk board structure, reduces centring disk weight, optimizes the speaker unit acoustical behavior.
These are only the utility model case study on implementation; by optimum organization, the utility model speaker unit innovation structure is described; be not limited to the utility model;, as long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed, all should include in the protection range of putting down in writing in claims.
Claims (6)
1. speaker unit comprises:
Auxiliary system, comprise protecgulum and shell;
Magnetic circuit system, comprise the washer that combines from top to bottom, magnet and yoke;
Vibrational system, comprise vibrating diaphragm and the voice coil loudspeaker voice coil that combines with vibrating diaphragm, and centring disk;
It is characterized in that:
Described vibrational system also comprises centring disk, and described centring disk comprises the first fixed part, the second fixed part and centre; Described the first fixed part and described auxiliary system are fixed, and described the second fixed part is combined with described voice coil loudspeaker voice coil, and described the first fixed part is connected by elasticity arm with described the second fixed part; Described the second fixed part is arranged on described centre, and described centre is provided with reinforcement.
2. speaker unit according to claim 1, it is characterized in that: described centring disk comprises substrate and cover layer; Described substrate comprises the first fixed part and described the second fixed part, and described centre reinforcement is arranged at described cover layer center.
3. speaker unit according to claim 2, it is characterized in that: described centring disk and described voice coil loudspeaker voice coil are rectangle.
4. speaker unit according to claim 3 is characterized in that: the corresponding reinforcement position, described cover layer center of described substrate center is provided with hollow out, is connected by four elasticity arms between described the first fixed part and described the second fixed part.
5. speaker unit according to claim 3, it is characterized in that: the corresponding reinforcement position, described cover layer center of described substrate center is provided with hollow out, be connected by two elasticity arms between described the first fixed part and described the second fixed part, described elasticity arm partly extends along described the first fixed part major axis.
6. speaker unit according to claim 3, it is characterized in that: described substrate consists of the first fixed part, the second fixed part and elasticity arm, described the second fixed part is fixed in described the first fixed part by described elasticity arm, described elasticity arm is two, and described elasticity arm partly extends along described the first fixed part major axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202995759U CN203301729U (en) | 2013-05-28 | 2013-05-28 | Loudspeaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202995759U CN203301729U (en) | 2013-05-28 | 2013-05-28 | Loudspeaker device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203301729U true CN203301729U (en) | 2013-11-20 |
Family
ID=49577705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202995759U Expired - Lifetime CN203301729U (en) | 2013-05-28 | 2013-05-28 | Loudspeaker device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203301729U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108271106A (en) * | 2018-01-08 | 2018-07-10 | 瑞声科技(新加坡)有限公司 | Loud speaker |
| CN110933575A (en) * | 2020-02-20 | 2020-03-27 | 共达电声股份有限公司 | Centering support piece and loudspeaker with same |
-
2013
- 2013-05-28 CN CN2013202995759U patent/CN203301729U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108271106A (en) * | 2018-01-08 | 2018-07-10 | 瑞声科技(新加坡)有限公司 | Loud speaker |
| CN110933575A (en) * | 2020-02-20 | 2020-03-27 | 共达电声股份有限公司 | Centering support piece and loudspeaker with same |
| CN110933575B (en) * | 2020-02-20 | 2020-06-09 | 共达电声股份有限公司 | Centering support piece and loudspeaker with same |
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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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |