CN204669603U - A kind of two diaphragm loudspeaker - Google Patents
A kind of two diaphragm loudspeaker Download PDFInfo
- Publication number
- CN204669603U CN204669603U CN201520410599.6U CN201520410599U CN204669603U CN 204669603 U CN204669603 U CN 204669603U CN 201520410599 U CN201520410599 U CN 201520410599U CN 204669603 U CN204669603 U CN 204669603U
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- CN
- China
- Prior art keywords
- voice coil
- vibrating diaphragm
- diaphragm
- magnetic circuit
- circuit assembly
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- 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
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Abstract
The utility model discloses a kind of two diaphragm loudspeaker, it includes support, magnetic circuit assembly, the first vibrating diaphragm and voice coil loudspeaker voice coil is provided with in described support, described first vibrating diaphragm is covered in magnetic circuit assembly, described voice coil loudspeaker voice coil is located between the first vibrating diaphragm and magnetic circuit assembly, one end of described voice coil loudspeaker voice coil is fixedly connected on the first vibrating diaphragm, the other end of this voice coil loudspeaker voice coil extends to magnetic circuit assembly direction, the side of described first vibrating diaphragm magnetic circuit assembly is dorsad provided with the second vibrating diaphragm, described second vibrating diaphragm and the first vibrating diaphragm walk abreast and arrange, and are formed with an airtight chamber therebetween.Above-mentioned pair of diaphragm loudspeaker has beneficial effects such as reducing harmonic distortion of loudspeaker, raising water proof and dust proof shockproof effect and raising loud speaker quality.
Description
Technical field
The utility model relates to loud speaker, particularly relates to a kind of two diaphragm loudspeaker.
Background technology
Existing loud speaker includes support, and be provided with magnetic circuit assembly in support, support is covered with vibrating diaphragm, vibrating diaphragm is provided with voice coil loudspeaker voice coil, and voice coil loudspeaker voice coil is surrounded on the T iron in magnetic circuit assembly, drives diaphragm oscillations, and then sound when voice coil loudspeaker voice coil adds electrical signals.But there is following defect in this loud speaker:
1, by voice coil loudspeaker voice coil Direct driver diaphragm oscillations sounding, the non-linear meeting of the non-linear and vibrating diaphragm of magnetic circuit causes obvious harmonic distortion;
2, support is only covered with a vibrating diaphragm, is thus difficult to reach desirable waterproof and dustproof, falls shockproof effect;
3, vibrating diaphragm material is very thin very soft, and its elastic recovery capability is not ideal enough, and external force easily causes diaphragm deformation and then affects the quality of loud speaker.
Utility model content
The technical problems to be solved in the utility model is, for the deficiencies in the prior art, provides a kind of two diaphragm loudspeaker that can reduce harmonic distortion of loudspeaker, improve water proof and dust proof shockproof effect, improve loud speaker quality.
For solving the problems of the technologies described above, the utility model adopts following technical scheme.
A kind of two diaphragm loudspeaker, it includes support, magnetic circuit assembly, the first vibrating diaphragm and voice coil loudspeaker voice coil is provided with in described support, described first vibrating diaphragm is covered in magnetic circuit assembly, described voice coil loudspeaker voice coil is located between the first vibrating diaphragm and magnetic circuit assembly, one end of described voice coil loudspeaker voice coil is fixedly connected on the first vibrating diaphragm, the other end of this voice coil loudspeaker voice coil extends to magnetic circuit assembly direction, the side of described first vibrating diaphragm magnetic circuit assembly is dorsad provided with the second vibrating diaphragm, described second vibrating diaphragm and the first vibrating diaphragm walk abreast and arrange, and are formed with an airtight chamber therebetween.
Preferably, described second vibrating diaphragm is identical with the shape of the first vibrating diaphragm.
Preferably, the side of described second vibrating diaphragm the first vibrating diaphragm is dorsad provided with protecting cover, and described protecting cover is fixed on support, and described protecting cover outwards swells, and forms space, described protecting cover offers sound hole to make between this protecting cover and the second vibrating diaphragm.
Preferably, described magnetic circuit assembly includes T iron, magnet and washer, and the vertical portion of described T iron offers the pore through its rear and front end, and described pore is covered with adjustable sound paper, described washer and magnet are all sheathed on the vertical portion of this T iron, and described voice coil loudspeaker voice coil is surrounded on the vertical portion of T iron.
Preferably, the horizontal part of described T iron is provided with terminal board, and described voice coil loudspeaker voice coil is electrically connected on terminal board by going between.
In the disclosed two diaphragm loudspeaker of the utility model, second vibrating diaphragm is located at the outside of the first vibrating diaphragm, and there is airtight cavity between the first vibrating diaphragm and the second vibrating diaphragm, when voice coil loudspeaker voice coil drives the first diaphragm oscillations, under the gas pressure of the second vibrating diaphragm both sides, second vibrating diaphragm is with the first vibrating diaphragm double vibrations, the sound that this second diaphragm oscillations sends as loud speaker sound source and outwards propagate, the utility model is by voice coil loudspeaker voice coil and the first vibrating diaphragm double vibrations, and then drive the second diaphragm oscillations sounding, its compared to existing technology in by the mode of voice coil loudspeaker voice coil Direct driver diaphragm oscillations sounding, effectively can suppress the harmonic distortion of system, simultaneously, first vibrating diaphragm and the second vibrating diaphragm form two diaphragm structure, and then improve the dust-proof of loud speaker, discharge water effect, particularly when loud speaker falls, this airtight air chamber plays cushioning effect to two vibrating diaphragms, loud speaker is made to have good anti-seismic performance.In addition, air chamber airtight between two vibrating diaphragms obviously improves elasticity and the deformation recovery capability of two diaphragms, and then substantially increases the quality of loud speaker.
Accompanying drawing explanation
Fig. 1 is the side sectional view of the two diaphragm loudspeaker of the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in more detail.
The utility model discloses a kind of two diaphragm loudspeaker, as shown in Figure 1, it includes support 1, magnetic circuit assembly 2 is provided with in described support 1, first vibrating diaphragm 3 and voice coil loudspeaker voice coil 4, described first vibrating diaphragm 3 is covered in magnetic circuit assembly 2, described voice coil loudspeaker voice coil 4 is located between the first vibrating diaphragm 3 and magnetic circuit assembly 2, one end of described voice coil loudspeaker voice coil 4 is fixedly connected on the first vibrating diaphragm 3, the other end of this voice coil loudspeaker voice coil 4 extends to magnetic circuit assembly 2 direction, the side of described first vibrating diaphragm 3 magnetic circuit assembly 2 is dorsad provided with the second vibrating diaphragm 5, described second vibrating diaphragm 5 and the first vibrating diaphragm 3 walk abreast and arrange, and be formed with an airtight chamber 6 therebetween.
In above-mentioned loud speaker, second vibrating diaphragm 5 is located at the outside of the first vibrating diaphragm 3, and there is airtight cavity 6 between the first vibrating diaphragm 3 and the second vibrating diaphragm 5, when voice coil loudspeaker voice coil 4 drives the first vibrating diaphragm 3 to vibrate, under the gas pressure of the second vibrating diaphragm 5 both sides, second vibrating diaphragm 5 is with the first vibrating diaphragm 3 double vibrations, this second vibrating diaphragm 5 vibrates the sound that sends and outwards propagates as the sound source of loud speaker, voice coil loudspeaker voice coil 4 and the first vibrating diaphragm 3 double vibrations in the utility model, and then drive the second vibrating diaphragm 5 vibration sounding, its compared to existing technology in by the mode of voice coil loudspeaker voice coil Direct driver diaphragm oscillations sounding, effectively can suppress the harmonic distortion of system, simultaneously, first vibrating diaphragm 3 and the second vibrating diaphragm 5 form two diaphragm structure, and then improve the dust-proof of loud speaker, discharge water effect, particularly when loud speaker falls, this airtight chamber 6 plays cushioning effect to two vibrating diaphragms, loud speaker is made to have good anti-seismic performance.In addition, air chamber airtight between two vibrating diaphragms obviously improves elasticity and the deformation recovery capability of two diaphragms, and then substantially increases the quality of loud speaker.
In the present embodiment, shape, the structure of described second vibrating diaphragm 5 and the first vibrating diaphragm 3 are identical, but this is only a preferred embodiment of the present utility model, be not limited to the utility model, in other embodiments of the present utility model, the second vibrating diaphragm 5 can also make other shapes according to actual needs.
As a kind of optimal way; the side of described second vibrating diaphragm 5 first vibrating diaphragm 3 is dorsad provided with protecting cover 7; described protecting cover 7 is fixed on support 1; described protecting cover 7 outwards swells; space is formed to make between this protecting cover 7 and second vibrating diaphragm 5; described protecting cover 7 offers sound hole 70, under the effect of protecting cover 7, contributes to protection second vibrating diaphragm 5 and be not damaged.
About the concrete structure of magnetic circuit assembly 2, described magnetic circuit assembly 2 includes T iron 20, magnet 21 and washer 22, the vertical portion of described T iron 20 offers the pore 200 through its rear and front end, described pore 200 is covered with adjustable sound paper 201, described washer 22 and magnet 21 are all sheathed on the vertical portion of this T iron 20, and described voice coil loudspeaker voice coil 4 is surrounded on the vertical portion of T iron 20.
Further, the horizontal part of described T iron 20 is provided with terminal board 8, and described voice coil loudspeaker voice coil 4 is electrically connected on terminal board 8 by going between.
The disclosed two diaphragm loudspeaker of the utility model, the first vibrating diaphragm 3 wherein and the second vibrating diaphragm 5 form two diaphragm structure, the harmonic distortion of system can be suppressed, waterproof and dustproof, shockproof effect can be improved again, in addition, air chamber airtight between two vibrating diaphragms obviously improves elasticity and the deformation recovery capability of two diaphragms, and then substantially increases the quality of loud speaker.
The above is the utility model preferred embodiment, is not limited to the utility model, all make in technical scope of the present utility model amendment, equivalent to replace or improvement etc., all should be included in scope that the utility model protects.
Claims (5)
1. a two diaphragm loudspeaker, it is characterized in that, include support, magnetic circuit assembly, the first vibrating diaphragm and voice coil loudspeaker voice coil is provided with in described support, described first vibrating diaphragm is covered in magnetic circuit assembly, described voice coil loudspeaker voice coil is located between the first vibrating diaphragm and magnetic circuit assembly, one end of described voice coil loudspeaker voice coil is fixedly connected on the first vibrating diaphragm, the other end of this voice coil loudspeaker voice coil extends to magnetic circuit assembly direction, the side of described first vibrating diaphragm magnetic circuit assembly is dorsad provided with the second vibrating diaphragm, described second vibrating diaphragm and the first vibrating diaphragm walk abreast and arrange, and are formed with an airtight chamber therebetween.
2. two diaphragm loudspeaker as claimed in claim 1, it is characterized in that, described second vibrating diaphragm is identical with the shape of the first vibrating diaphragm.
3. diaphragm loudspeaker as claimed in claim 1 two, is characterized in that, the side of described second vibrating diaphragm the first vibrating diaphragm is dorsad provided with protecting cover, described protecting cover is fixed on support, described protecting cover outwards swells, and forms space, described protecting cover offers sound hole to make between this protecting cover and the second vibrating diaphragm.
4. two diaphragm loudspeaker as claimed in claim 1, it is characterized in that, described magnetic circuit assembly includes T iron, magnet and washer, the vertical portion of described T iron offers the pore through its rear and front end, described pore is covered with adjustable sound paper, described washer and magnet are all sheathed on the vertical portion of this T iron, and described voice coil loudspeaker voice coil is surrounded on the vertical portion of T iron.
5. two diaphragm loudspeaker as claimed in claim 4, it is characterized in that, the horizontal part of described T iron is provided with terminal board, and described voice coil loudspeaker voice coil is electrically connected on terminal board by going between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520410599.6U CN204669603U (en) | 2015-06-15 | 2015-06-15 | A kind of two diaphragm loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520410599.6U CN204669603U (en) | 2015-06-15 | 2015-06-15 | A kind of two diaphragm loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204669603U true CN204669603U (en) | 2015-09-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520410599.6U Expired - Fee Related CN204669603U (en) | 2015-06-15 | 2015-06-15 | A kind of two diaphragm loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204669603U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792081A (en) * | 2016-05-16 | 2016-07-20 | 广东欧珀移动通信有限公司 | Loudspeaker system and corresponding mobile terminal |
| CN106412168A (en) * | 2016-10-11 | 2017-02-15 | 上海传英信息技术有限公司 | Telephone receiver structure and mobile terminal |
| WO2018132996A1 (en) * | 2017-01-19 | 2018-07-26 | 声电电子科技(惠州)有限公司 | Miniature loudspeaker |
| CN112261533A (en) * | 2020-10-10 | 2021-01-22 | 维沃移动通信有限公司 | Earphone set |
| WO2021258417A1 (en) * | 2020-06-24 | 2021-12-30 | 瑞声声学科技(深圳)有限公司 | Micro loudspeaker |
-
2015
- 2015-06-15 CN CN201520410599.6U patent/CN204669603U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792081A (en) * | 2016-05-16 | 2016-07-20 | 广东欧珀移动通信有限公司 | Loudspeaker system and corresponding mobile terminal |
| CN105792081B (en) * | 2016-05-16 | 2018-09-11 | 广东欧珀移动通信有限公司 | Speaker system and corresponding mobile terminal |
| CN106412168A (en) * | 2016-10-11 | 2017-02-15 | 上海传英信息技术有限公司 | Telephone receiver structure and mobile terminal |
| WO2018132996A1 (en) * | 2017-01-19 | 2018-07-26 | 声电电子科技(惠州)有限公司 | Miniature loudspeaker |
| WO2021258417A1 (en) * | 2020-06-24 | 2021-12-30 | 瑞声声学科技(深圳)有限公司 | Micro loudspeaker |
| CN112261533A (en) * | 2020-10-10 | 2021-01-22 | 维沃移动通信有限公司 | Earphone set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150923 Termination date: 20160615 |