CN202551339U - Speaker device - Google Patents
Speaker device Download PDFInfo
- Publication number
- CN202551339U CN202551339U CN2012201884063U CN201220188406U CN202551339U CN 202551339 U CN202551339 U CN 202551339U CN 2012201884063 U CN2012201884063 U CN 2012201884063U CN 201220188406 U CN201220188406 U CN 201220188406U CN 202551339 U CN202551339 U CN 202551339U
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- Prior art keywords
- washer
- voice coil
- speaker unit
- magnetic
- extension
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Abstract
The utility model discloses a speaker device, which comprises a vibration system and a magnetic circuit system. The vibration system comprises a voice coil and a vibration diaphragm, the magnetic circuit system comprises a cone frame, a washer, a magnet and an extension part arranged along the direction of the voice coil, and a magnetic clearance si formed between the extension part and the washer for accommodating the voice coil. The speaker module has the advantages of good sound performance, high sensitivity and easy drive.
Description
Technical field
The utility model relates to the electroacoustic field, especially relates to a kind of speaker unit.
Background technology
Along with the development of electroacoustic techniques, the range of application of speaker unit constantly enlarges, and the client is also increasingly high to the requirement of speaker unit, and the sound performance of speaker unit also receives much concern.
Speaker unit comprises magnetic circuit system and vibrational system, the magnet of magnetic circuit system, and washer and basin frame are formed annular magnetic gap; The voice coil loudspeaker voice coil of vibrational system places said magnetic gap; When electric current in the voice coil loudspeaker voice coil changes, generate an electromagnetic field, make the voice coil loudspeaker voice coil motion with the magnetic circuit system magnetic field interaction; The voice coil loudspeaker voice coil motion drives the vibrating diaphragm vibration, thereby makes the speaker unit sounding.Shown in accompanying drawing 1, the magnetic circuit system of the speaker unit of conventional art, washer 21 is revised the magnetic line of force that magnet 4 send, and magnetic field conducts to basin frame 3 sidewalls vertical with washer 21; Holding the magnetic gap of voice coil loudspeaker voice coil 13 is made up of with basin frame 3 sidewalls vertical with washer washer 21; Magnetic flux in the magnetic circuit system magnetic gap of this design is less; And magnetic line of force skewness be prone to produce audio distortions, and the sensitivity and the sound performance of speaker unit had a negative impact.
Therefore, be necessary to provide a kind of new speaker unit to improve above-mentioned defective.
The utility model content
The utility model technical problem to be solved provides the big speaker unit of a kind of magnetic circuit system magnetic flux.
The utility model adopts following technical scheme to achieve these goals: a kind of speaker unit, and the involving vibrations system, said vibrational system comprises voice coil loudspeaker voice coil and vibrating diaphragm; And magnetic circuit system, said magnetic circuit system comprises the basin frame, washer and magnet, and: said magnetic circuit system also comprises towards the extension of the extension setting of said voice coil loudspeaker voice coil direction, forms the magnetic gap that holds said voice coil loudspeaker voice coil between said extension and the said washer.
As a kind of optimized technical scheme, said extension and said washer are positioned at same plane.
As a kind of further optimized technical scheme, said extension is that said basin frame parts transversely extends.
As a kind of further optimized technical scheme, said extension is an annular magnet.
As a kind of further optimized technical scheme, said extension is second washer.Preferred as further, said second washer is annular washer, and said annular washer is fixed in said basin frame top.
In the utility model, magnetic circuit system is provided with the extension along the voice coil loudspeaker voice coil direction, and the magnetic line of force of magnet is after the washer correction; Be passed to the extension parallel earlier with above-mentioned washer; Passed by the extension, magnetic gap is made up of extension and above-mentioned washer again, and the magnetic line of force of magnetic gap is concentrated with even more; Strengthened the magnetic flux between magnetic gap when avoiding causing audio distortions, improved the sensitivity and the sound performance of speaker unit because of the magnetic flux distributions inequality.
Description of drawings
Fig. 1 is a conventional art speaker unit magnetic circuit system sketch.
Fig. 2 is the cutaway view of the utility model speaker unit embodiment one.
Fig. 3 is the magnetic circuit system sketch of speaker unit shown in Figure 2.
Fig. 4 is the magnetic circuit system sketch of the utility model speaker unit embodiment two.
Fig. 5 is the magnetic circuit system sketch of the utility model speaker unit embodiment three.
Embodiment
Below in conjunction with accompanying drawing, introduce the utility model speaker unit in detail.
Embodiment one
See also Fig. 2, speaker unit involving vibrations system, magnetic circuit system and shell 5.The voice coil loudspeaker voice coil 13 that vibrational system comprises vibrating diaphragm and links to each other with vibrating diaphragm, wherein, vibrating diaphragm comprise ball top 12 with around ball top 12 and the ring portion 11 that links to each other with ball top 12; Magnetic circuit partly comprises magnet 4, revises washer 21, basin frame 31 and the bottom washer 22 of magnet 4 magnetic lines of force.Magnet 4 is adhesively fixed with approaching first surface and the washer 21 of vibrating diaphragm, and magnet 4 is adhesively fixed with vibrating diaphragm second surface and bottom washer 22 far away, and basin frame 31 surrounds magnet 4 and washer 21, and basin frame 31 is adhesively fixed with bottom washer 22.Basin frame 31 is fixed with shell 5 integrated through injection molding, and simultaneously, voice coil loudspeaker voice coil 13 bottoms are provided with centring disk 6, and centring disk 6 is adhesively fixed with shell 5, and centring disk 6 has good centering effect, and good permeability, can effectively improve the speaker unit sound performance.
See also Fig. 3, in the magnetic circuit system of present embodiment speaker unit, basin frame 31 is provided with horizontal expansion 32 along voice coil loudspeaker voice coil 13 directions, and horizontal expansion 32 is positioned at same plane with washer 21; Extension 32 constitutes the magnetic gap that holds voice coil loudspeaker voice coil 13 with washer 21.The basin frame extends 32 design makes the magnetic line of force between magnetic gap more concentrated, has increased the magnetic flux between magnetic gap, makes magnetic line of force more even distribution simultaneously, has avoided and audio distortions that magnetic line of force skewness causes.
The design of bottom washer 22 not only makes the loud speaker module easy to assembly, and has reduced the requirement that basin frame 31 is produced, and is convenient to 31 buyings of basin frame, has reduced the production cost of loud speaker module to a certain extent.The design of basin frame extension 32 is concentrated with even the magnetic line of force between magnetic gap more; Strengthen the magnetic flux between magnetic gap when avoiding causing audio distortions because of the magnetic flux distributions inequality; Improved the sensitivity and the sound performance of loud speaker module, made speaker unit more be prone to drive.
Embodiment two
Present embodiment is the distortion of embodiment one magnetic circuit system.See also Fig. 4, the speaker unit magnetic circuit system of present embodiment comprises basin frame 3, magnet 4, the first washers 21 and second washer 23.Basin frame 3 is the semi-surrounding structure, and magnet 4 places in the basin frame 3, is adhesively fixed with basin frame 3; The surface near vibrating diaphragm of magnet 4 is fixed with first washer 21, is provided with second washer, 23, the second washers 23 with first washer, 21 same planes and is fixed on the basin frame 3.Second washer 23 and first washer 21 constitute magnetic gap, and magnetic gap holds voice coil loudspeaker voice coil 13.
Present embodiment has increased by second washer 23 on the basis of conventional art speaker unit; Thereby make the magnetic gap two side portions be positioned at same plane; The magnetic gap that constitutes by washer 21 and basin frame 3 sidewalls than conventional art perpendicular to washer 21; The magnetic line of force of the utility model magnetic gap is concentrated more and is more even; Strengthen the magnetic flux between magnetic gap when avoiding causing audio distortions, improved the sensitivity and the sound performance of speaker unit, make speaker unit more be prone to drive because of the magnetic flux distributions inequality.
Embodiment three
Present embodiment also is the distortion of embodiment one magnetic circuit system.See also Fig. 5, the magnetic circuit system of present embodiment speaker unit comprises basin frame 3, washer 21, magnet 4 and annular magnet 41; Wherein basin frame 3 is the semi-surrounding structure, and magnet 4 is adhesively fixed in basin frame 3 inside, and magnet 4 is fixed with washer 21 near the surface of vibrating diaphragm, is provided with annular magnet 41 with washer 21 same planes, and annular magnet 41 is fixed in basin frame 3 madial walls.Annular magnet 41 constitutes magnetic gap with washer 21, and voice coil loudspeaker voice coil 13 places in the said magnetic gap.Annular magnet 41 is opposite near the magnetic pole of vibrating diaphragm one end near the magnetic pole and the magnet 4 of washer 21 1 ends.
The magnetic gap of present embodiment speaker unit is made up of annular magnet 41 and washer 21; Annular magnet 41 is opposite near the magnetic pole of vibrating diaphragm one end near an end magnetic pole and the magnet 4 of washer 21; Guaranteeing further to have improved the inner magnetic flux of magnetic gap on the basis that the magnetic gap inner magnet line of force is evenly distributed, further improved the sensitivity and the sound performance of speaker unit.
More than be merely the utility model case study on implementation, be not limited to the utility model,, all should include in the protection range of putting down in writing in claims as long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed.
Claims (6)
1. speaker unit, the involving vibrations system, said vibrational system comprises voice coil loudspeaker voice coil and vibrating diaphragm; And magnetic circuit system; Said magnetic circuit system comprises the basin frame; Washer and magnet is characterized in that: said magnetic circuit system also comprises towards the extension of the extension setting of said voice coil loudspeaker voice coil direction, forms the magnetic gap that holds said voice coil loudspeaker voice coil between said extension and the said washer.
2. speaker unit according to claim 1 is characterized in that: said extension and said washer are positioned at same plane.
3. speaker unit according to claim 1 and 2 is characterized in that: said extension is that said basin frame parts transversely extends.
4. speaker unit according to claim 1 and 2 is characterized in that: said extension is an annular magnet.
5. speaker unit according to claim 1 and 2 is characterized in that: said extension is second washer.
6. speaker unit according to claim 5 is characterized in that: said second washer is annular washer, and said annular washer is fixed in said basin frame top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201884063U CN202551339U (en) | 2012-04-28 | 2012-04-28 | Speaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201884063U CN202551339U (en) | 2012-04-28 | 2012-04-28 | Speaker device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202551339U true CN202551339U (en) | 2012-11-21 |
Family
ID=47171894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201884063U Ceased CN202551339U (en) | 2012-04-28 | 2012-04-28 | Speaker device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202551339U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105828246A (en) * | 2016-05-19 | 2016-08-03 | 青岛歌尔声学科技有限公司 | Woofer |
| CN107517430A (en) * | 2016-06-17 | 2017-12-26 | 声电电子科技(惠州)有限公司 | A kind of double washer Microspeakers |
-
2012
- 2012-04-28 CN CN2012201884063U patent/CN202551339U/en not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105828246A (en) * | 2016-05-19 | 2016-08-03 | 青岛歌尔声学科技有限公司 | Woofer |
| CN105828246B (en) * | 2016-05-19 | 2019-04-02 | 青岛歌尔声学科技有限公司 | A kind of woofer |
| CN107517430A (en) * | 2016-06-17 | 2017-12-26 | 声电电子科技(惠州)有限公司 | A kind of double washer Microspeakers |
| CN107517430B (en) * | 2016-06-17 | 2020-01-21 | 声电电子科技(惠州)有限公司 | Double-washer micro loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IP01 | Partial invalidation of patent right |
Commission number: 5W105725 Conclusion of examination: The basic requirements in the book submitted to the No. 201220188406.3 utility model patents in 2014 02 month 08 days on the right, to declare the patent right invalid claims in 2, 1, 3, 4 based on the continued validity of the patents. Decision date of declaring invalidation: 20140616 Decision number of declaring invalidation: 22906 Denomination of utility model: Speaker apparatus with picture projecting screen Granted publication date: 20121121 Patentee: Goertek Inc. |
|
| 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. |
|
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20151109 Decision number of declaring invalidation: 27442 Granted publication date: 20121121 |