CN203708467U - Loudspeaker device - Google Patents
Loudspeaker device Download PDFInfo
- Publication number
- CN203708467U CN203708467U CN201320860686.2U CN201320860686U CN203708467U CN 203708467 U CN203708467 U CN 203708467U CN 201320860686 U CN201320860686 U CN 201320860686U CN 203708467 U CN203708467 U CN 203708467U
- Authority
- CN
- China
- Prior art keywords
- fixed part
- speaker unit
- voice coil
- centring disk
- layer
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 6
- 239000002861 polymer material Substances 0.000 claims description 6
- 239000004642 Polyimide Substances 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract 3
- 239000012790 adhesive layer Substances 0.000 abstract 2
- 230000004907 flux Effects 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000010287 polarization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a loudspeaker device, comprising an auxiliary system, a magnetic circuit system, and a vibration system. The auxiliary system comprises a front cover and a housing. The magnetic circuit system comprises a concentrating flux plate and a magnet which are integrated from the top to bottom. The vibration system comprises a vibrating diaphragm and a voice coil combined with the vibrating diaphragm, and a centring disk. The centring disk is in a laminated structure. The laminated structure is formed by a high-molecular material layer, an adhesive layer, a copper substrate layer, an adhesive layer, and a high-molecular material layer from top to bottom in sequence. The loudspeaker device can effectively reduce height and weight of the vibration system, and improves acoustic performance of the loudspeaker.
Description
Technical field
The utility model relates to electroacoustic field, especially relates to a kind of speaker unit.
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, speaker unit has demand widely.Along with the raising that people require consumer electronics product, the performance of speaker unit also more and more receives people's concern.
Speaker unit, comprising: auxiliary system, comprises protecgulum and shell; Magnetic circuit system, comprises the magnetic conductive board and the magnet that combine from top to bottom, and magnetic circuit system is provided with magnetic gap; Vibrational system, the voice coil loudspeaker voice coil that comprises vibrating diaphragm and combine with vibrating diaphragm, voice coil loudspeaker voice coil is arranged in magnetic gap; The curent change being 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 vibrating diaphragm vibration sounding.In order to prevent that voice coil loudspeaker voice coil from producing polarization in vibration processes, the speaker unit of prior art adopts centring disk conventionally, but the design of centring disk has increased height and the weight of vibrational system, and speaker unit acoustical behavior is exerted an influence.
Therefore, be necessary to propose a kind of improvement, to overcome prior art speaker unit defect.
Utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is that prior art scheme is improved and improved, and the speaker unit that a kind of acoustical behavior is good is provided.
To achieve these goals, the utility model by the following technical solutions: the technical scheme that the invention for solving the technical problem adopts is: speaker unit, comprising: auxiliary system, comprises protecgulum and shell; Magnetic circuit system, comprises the magnetic conductive board and the magnet that combine from top to bottom; Vibrational system, the voice coil loudspeaker voice coil, the centring disk that comprise vibrating diaphragm and combine with vibrating diaphragm; And: described centring disk is laminated construction, and described laminated construction is followed successively by polymer material layer, binder layer, copper base layer, binder layer, polymer material layer from top to bottom.
As the preferred technical scheme of one, described polymer material layer is polyimide layer.
As the preferred technical scheme of one, described centring disk comprises the first fixed part and the second fixed part, and described the first fixed part is connected by elasticity arm with described the second fixed part; Described the first fixed part and described auxiliary system are fixed, and described the second fixed part one side and described vibrational system are fixed.
As the preferred technical scheme of one, the second fixed part central area of described centring disk is provided with the hole that material forms.
As the preferred technical scheme of one, described elasticity arm at least arranges two, and described elasticity arm is put along the spacer ring winding between described the first fixed part and described the second fixed part.
The beneficial effects of the utility model: owing to taking such scheme, the utility model can effectively reduce height and the weight of vibrational system, improve speaker unit acoustical behavior.
Brief description of the drawings
Fig. 1 is the utility model speaker unit embodiment explosive view.
Fig. 2 is the centring disk of speaker unit shown in Fig. 1 laminated construction schematic diagram.
Fig. 3 is the centring disk of speaker unit shown in Fig. 1 schematic diagram.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model speaker unit, as shown in Figure 1, comprises by protecgulum 11, the housing that mesochite 12 and lower casing 13 form, and protecgulum 11, mesochite 12 and lower casing 13 surround cavity, accommodate and be fixed with vibrational system and magnetic circuit system in housing cavity.Vibrational system comprises vibrating diaphragm 21, the centring disk 3, the voice coil loudspeaker voice coil 22 that are fixedly installed with vibrating diaphragm 21; Magnetic circuit system comprises centring magnet 42, centring magnet 42 is fixedly installed the central guiding magnetic sheet 41 corresponding with centring magnet 42 shapes near protecgulum 11 1 sides, be provided with limit magnet 52 around centring magnet 42, limit magnet 52 is fixedly installed the limit magnetic conductive board 51 corresponding with limit magnet 52 shapes near protecgulum 11 1 sides, centring magnet 42 forms magnetic gap with limit magnet 52, and voice coil loudspeaker voice coil 22 is arranged in magnetic gap.Pad electricity combination on voice coil loudspeaker voice coil 22 and centring disk 3, the signal of telecommunication of external circuit reaches in voice coil loudspeaker voice coil 22 by the pad of centring disk 3, and the interior curent change of voice coil loudspeaker voice coil 22 makes the magnetic field force induced and up-down vibration of voice coil loudspeaker voice coil 22, and voice coil loudspeaker voice coil 22 vibrations drive vibrating diaphragm 21 vibration soundings.
As shown in Figure 2, the utility model speaker unit, centring disk 3 is laminated construction, described laminated construction is followed successively by polyimide layer 31, binder layer 32, copper base layer 33, binder layer 32, polyimide layer 31 from top to bottom, reduce vibrational system thickness, be conducive to the Miniaturization Design of product.
As shown in Figure 3, the utility model speaker unit, centring disk 3 comprises the first fixed part 34, the second fixed part 35, the first fixed part 34 is connected by elasticity arm 36 with the second fixed part 35, and the first fixed part 34 is fixing with mesochite 12, and the second fixed part 35 is fixing away from protecgulum 11 1 sides and voice coil loudspeaker voice coil 22.The utility model speaker unit, adopts centring disk 3 to prevent polarization, ensures speaker unit acoustical behavior.
As shown in Figure 3, the second fixed part 35 centers of centring disk 3 go material to form hole 37, reduce vibrational system weight, improve the acoustical behavior of speaker unit.
As shown in Figure 3, between the first fixed part 34 of the present embodiment speaker unit centring disk 3 and the second fixed part 35, connect by 4 elasticity arms 36, elasticity arm 36 is put along the spacer ring winding between the first fixed part 34 and the second fixed part 35, and the centring disk 3 of design can ensure to reduce when feeling relieved effect centring disk weight like this.Should know; diagram speaker unit is only embodiment of the utility model speaker unit; ensureing centering effect, reducing under the prerequisite of centring disk weight; the elasticity arm of centring disk can be set to other quantity; all can embody the utility model speaker unit advantage, belong to the utility model speaker unit claim protection range.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. speaker unit, comprising: auxiliary system, comprises protecgulum and shell; Magnetic circuit system, comprises the magnetic conductive board and the magnet that combine from top to bottom; Vibrational system, the voice coil loudspeaker voice coil, the centring disk that comprise vibrating diaphragm and combine with vibrating diaphragm; It is characterized in that: described centring disk is laminated construction, described laminated construction is followed successively by polymer material layer, binder layer, copper base layer, binder layer, polymer material layer from top to bottom.
2. speaker unit according to claim 1, is characterized in that: described polymer material layer is polyimide layer.
3. speaker unit according to claim 1, is characterized in that: described centring disk comprises the first fixed part and the second fixed part, and described the first fixed part is connected by elasticity arm with described the second fixed part; Described the first fixed part and described auxiliary system are fixed, and described the second fixed part and described vibrational system are fixed.
4. speaker unit according to claim 3, is characterized in that: the second fixed part central area of described centring disk is provided with the hole that material forms.
5. speaker unit according to claim 3, is characterized in that: described elasticity arm at least arranges two, and described elasticity arm is put along the spacer ring winding between described the first fixed part and described the second fixed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320860686.2U CN203708467U (en) | 2013-12-25 | 2013-12-25 | Loudspeaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320860686.2U CN203708467U (en) | 2013-12-25 | 2013-12-25 | Loudspeaker device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708467U true CN203708467U (en) | 2014-07-09 |
Family
ID=51058842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320860686.2U Expired - Lifetime CN203708467U (en) | 2013-12-25 | 2013-12-25 | Loudspeaker device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203708467U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106162470A (en) * | 2016-08-31 | 2016-11-23 | 歌尔股份有限公司 | A kind of coil-moving speaker |
| CN109246562A (en) * | 2018-09-21 | 2019-01-18 | 歌尔股份有限公司 | miniature sounding device |
| CN113709640A (en) * | 2021-08-20 | 2021-11-26 | 国光电器股份有限公司 | Sheet loudspeaker and earphone |
| CN114501248A (en) * | 2021-12-27 | 2022-05-13 | 浙江旗声电子科技股份有限公司 | Special-shaped support piece and ultrathin loudspeaker |
-
2013
- 2013-12-25 CN CN201320860686.2U patent/CN203708467U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106162470A (en) * | 2016-08-31 | 2016-11-23 | 歌尔股份有限公司 | A kind of coil-moving speaker |
| CN106162470B (en) * | 2016-08-31 | 2023-11-07 | 歌尔股份有限公司 | Moving-coil loudspeaker |
| CN109246562A (en) * | 2018-09-21 | 2019-01-18 | 歌尔股份有限公司 | miniature sounding device |
| CN113709640A (en) * | 2021-08-20 | 2021-11-26 | 国光电器股份有限公司 | Sheet loudspeaker and earphone |
| CN114501248A (en) * | 2021-12-27 | 2022-05-13 | 浙江旗声电子科技股份有限公司 | Special-shaped support piece and ultrathin loudspeaker |
| CN114501248B (en) * | 2021-12-27 | 2024-06-25 | 浙江旗声电子科技股份有限公司 | Special-shaped support piece and ultrathin loudspeaker |
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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: 20140709 |