CN201893921U - Electromagnetic loudspeaker - Google Patents
Electromagnetic loudspeaker Download PDFInfo
- Publication number
- CN201893921U CN201893921U CN2010206003621U CN201020600362U CN201893921U CN 201893921 U CN201893921 U CN 201893921U CN 2010206003621 U CN2010206003621 U CN 2010206003621U CN 201020600362 U CN201020600362 U CN 201020600362U CN 201893921 U CN201893921 U CN 201893921U
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- Prior art keywords
- magnetic speaker
- magnet
- steel
- magnetic
- frame
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- Expired - Lifetime
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Abstract
The utility model provides an electromagnetic loudspeaker which comprises an inner magnetic steel and a magnet frame, wherein the inner magnetic steel is positioned in the middle of the magnet frame, and the electromagnetic loudspeaker further comprises a plurality of outer magnetic steels which are positioned around the inner magnetic steel and are arranged circularly around the inner magnetic steel. The electromagnetic loudspeaker has the advantage of good magnetic circuit capacity.
Description
Technical field
The utility model relates to a kind of loud speaker, relates in particular to a kind of magnetic speaker.
Background technology
Loud speaker be widely used in living and industry in the application of numerous electronic products, especially magnetic speaker more general.
See also Fig. 1 to Fig. 3, wherein Fig. 1 is a kind of part-structure decomposing state schematic diagram of the magnetic speaker relevant with the utility model, Fig. 2 is the part-structure assembled state schematic diagram of magnetic speaker shown in Figure 1, and Fig. 3 is the schematic cross-section along the line III-III among Fig. 2.This magnetic speaker 1 comprises loam cake 10, vibrating diaphragm 11, pole piece 12, magnet steel 13, voice coil loudspeaker voice coil 14, magnet frame 15, basin frame 16 and lower cover 17.Wherein, this magnet frame 15 comprises roughly rectangular base plate 151 and upwardly extending baffle plate 152 around the base plate 151.Base plate 151 and baffle plate 152 form a receiving space (not indicating).This magnet steel 13 is arranged on the centre position of this receiving space, and its upper surface is provided with this pole piece 12.This voice coil loudspeaker voice coil 14 is around this magnet steel 13, and this vibrating diaphragm 11 is covered on this voice coil loudspeaker voice coil 14.This basin frame 16 is accommodated this magnet frame 15, and fastens with loam cake 10 and lower cover 17, forms this magnetic speaker 1.In this magnetic speaker 1, be provided with breach 153 in four corners of baffle plate 152, this breach 153 plays the function of damping hole, to enhance product performance.
The magnetic circuit that the problem that above-mentioned magnetic speaker 1 exists is this magnetic speaker 1 is single magnetic structure, and its magnetic circuit performance is relatively low.
The utility model content
The problem of the magnetic circuit poor-performing of the single magnetic structure that exists at existing magnetic speaker, the utility model provides a kind of magnetic speaker of two magnetic route structure of magnetic circuit better performances.
A kind of magnetic speaker, magnet steel and magnet frame in comprising, magnet steel is positioned at the centre position of this magnet frame in this, this magnetic speaker further comprises a plurality of outer steels, this outer steel be arranged at magnet steel in this around, and in this magnet steel circular array.
As the further improvement of this magnetic speaker, this magnet frame is the rectangular flat structure.
As the further improvement of this magnetic speaker, this outer steel is a strip.
As the further improvement of this magnetic speaker, this outer steel is four, and is arranged at respectively on the four side edge of this magnet frame.
As the further improvement of this magnetic speaker, this magnetic speaker further comprises basin frame and flexible fastening circle, the inboard of this magnet frame this basin frame of elasticity butt under the effect of this flexible fastening circle.
Further improvement as this magnetic speaker forms certain interval between the adjacent end portion of this outer steel.
As the further improvement of this magnetic speaker, the lower surface of this outer steel and this magnet frame are bonding.
As the further improvement of this magnetic speaker, this magnetic speaker further comprises train wheel bridge, and this train wheel bridge is arranged on the upper surface of this outer steel.
As the further improvement of this magnetic speaker, this train wheel bridge is the loop configuration of hollow.
As the further improvement of this magnetic speaker, the annular section of this train wheel bridge is corresponding to this outer steel, and the hollow space of this train wheel bridge is corresponding to magnet steel in this.
In this magnetic speaker, magnet steel and these a plurality of outer steels all around form two magnetic route structure in this, have improved the magnetic circuit performance.In addition, Huan Xing train wheel bridge can make the closure of magnetic circuit and performance better.The function of damping hole can be played in gap between the end of this outer steel, has further promoted properties of product.
Description of drawings
Fig. 1 is a kind of part-structure decomposing state schematic diagram of the magnetic speaker relevant with the utility model.
Fig. 2 is the part-structure assembled state schematic diagram of magnetic speaker shown in Figure 1.
Fig. 3 is the schematic cross-section along the line III-III among Fig. 2.
Fig. 4 is the part-structure decomposing state schematic diagram of the utility model magnetic speaker one better embodiment.
Fig. 5 is the part-structure assembled state schematic diagram of magnetic speaker shown in Figure 4.
Fig. 6 is the schematic cross-section along the line VI-VI among Fig. 5.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
See also Fig. 4 to Fig. 6, wherein Fig. 4 is the part-structure decomposing state schematic diagram of the utility model magnetic speaker one better embodiment, Fig. 5 is the part-structure assembled state signal of magnetic speaker shown in Figure 4, and Fig. 6 is the schematic cross-section along the line VI-VI among Fig. 5.This magnetic speaker 3 comprises loam cake 30, vibrating diaphragm 31, train wheel bridge 32, voice coil loudspeaker voice coil 33, pole piece 34, interior magnet steel 35, outer steel 36, magnet frame 37, flexible fastening circle 38, basin frame 39 and lower cover 40.
This magnet frame 37 is a roughly rectangular slab construction.
This basin frame 39 is the support bodys that made by plastics, and it is both ends open up and down, and is formed with ledge structure (not indicating).This magnet frame 37 elasticity under the effect of flexible fastening circle 38 is connected to the inboard of this basin frame 39, accommodates frame thereby this magnet frame 37 cooperates with this basin frame 39 to form, and this magnet frame 37 can play a supportive role.
This pole piece 34 is arranged on the upper surface of magnet steel 35 in this, and it mainly plays the magnetic conduction effect.That is to say that magnet steel 35 is clipped between this magnet frame 37 and this pole piece 34 in this.
This voice coil loudspeaker voice coil 34 is provided with around magnet steel in this 35, and it mainly acts on is can correspondingly produce magnetic field after energising.This voice coil loudspeaker voice coil 34 can for example be formed by the copper conductor coiling by the multi turn coil arrangement of plain conductor coiling.
This outer steel 36 is four, this outer steel 36 be arranged at magnet steel 35 in this around, and in this magnet steel 35 circular array.This outer steel 36 is positioned at the periphery of this voice coil loudspeaker voice coil 34, that is to say, this voice coil loudspeaker voice coil 34 is arranged in this in annular gap between magnet steel 35 and this outer steel 36.This outer steel 36 is roughly elongated, and specifically is arranged on the four side edge of this magnet frame 37, and then encirclement should interior magnet steel 35.In the present embodiment, form certain interval between the adjacent end portion of this outer steel 36.The lower surface of this outer steel 36 and this magnet frame 37 are bonding.
This train wheel bridge 32 is arranged at the upper surface of this outer steel 36, and is the loop configuration of hollow, and the annular section of this train wheel bridge 32 is corresponding to this outer steel 36, and the hollow space of this train wheel bridge 32 is corresponding to magnet steel in this 35.
In this magnetic speaker 3, magnet steel 35 and these a plurality of outer steels 36 all around form two magnetic route structure in this, have improved the magnetic circuit performance.In addition, Huan Xing train wheel bridge 32 can make the closure of magnetic circuit and performance better.The function of damping hole can be played in gap between the end of this outer steel 36, has further promoted properties of product.
Only be preferred case study on implementation of the present utility model below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. magnetic speaker, magnet steel and magnet frame in comprising is characterized in that: magnet steel is positioned at the centre position of this magnet frame in this, and this magnetic speaker further comprises a plurality of outer steels, this outer steel be arranged at magnet steel in this around, and in this magnet steel circular array.
2. magnetic speaker according to claim 1 is characterized in that: this magnet frame is the rectangular flat structure.
3. magnetic speaker according to claim 2 is characterized in that: this outer steel is a strip.
4. magnetic speaker according to claim 3 is characterized in that: this outer steel is four, and is arranged at respectively on the four side edge of this magnet frame.
5. magnetic speaker according to claim 1 is characterized in that: this magnetic speaker further comprises basin frame and flexible fastening circle, the inboard of this magnet frame this basin frame of elasticity butt under the effect of this flexible fastening circle.
6. magnetic speaker according to claim 1 is characterized in that: form certain interval between the adjacent end portion of this outer steel.
7. magnetic speaker according to claim 1 is characterized in that: the lower surface of this outer steel and this magnet frame are bonding.
8. magnetic speaker according to claim 1 is characterized in that: this magnetic speaker further comprises train wheel bridge, and this train wheel bridge is arranged on the upper surface of this outer steel.
9. magnetic speaker according to claim 8 is characterized in that: this train wheel bridge is the loop configuration of hollow.
10. magnetic speaker according to claim 9 is characterized in that: the annular section of this train wheel bridge is corresponding to this outer steel, and the hollow space of this train wheel bridge is corresponding to magnet steel in this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206003621U CN201893921U (en) | 2010-11-10 | 2010-11-10 | Electromagnetic loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206003621U CN201893921U (en) | 2010-11-10 | 2010-11-10 | Electromagnetic loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201893921U true CN201893921U (en) | 2011-07-06 |
Family
ID=44223393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206003621U Expired - Lifetime CN201893921U (en) | 2010-11-10 | 2010-11-10 | Electromagnetic loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201893921U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102413413A (en) * | 2011-12-17 | 2012-04-11 | 歌尔声学股份有限公司 | Manufacture method of electroacoustic transducer |
| CN104768108A (en) * | 2014-12-31 | 2015-07-08 | 国光电器股份有限公司 | Loudspeaker magnetic circuit structure |
| CN108322870A (en) * | 2018-02-02 | 2018-07-24 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN109743661A (en) * | 2018-12-29 | 2019-05-10 | 瑞声声学科技(深圳)有限公司 | A kind of loudspeaker |
-
2010
- 2010-11-10 CN CN2010206003621U patent/CN201893921U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102413413A (en) * | 2011-12-17 | 2012-04-11 | 歌尔声学股份有限公司 | Manufacture method of electroacoustic transducer |
| CN102413413B (en) * | 2011-12-17 | 2015-01-21 | 歌尔声学股份有限公司 | Manufacture method of electroacoustic transducer |
| CN104768108A (en) * | 2014-12-31 | 2015-07-08 | 国光电器股份有限公司 | Loudspeaker magnetic circuit structure |
| CN108322870A (en) * | 2018-02-02 | 2018-07-24 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN108322870B (en) * | 2018-02-02 | 2021-01-29 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN109743661A (en) * | 2018-12-29 | 2019-05-10 | 瑞声声学科技(深圳)有限公司 | A kind of loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |