CN204518056U - The diaphragm of loudspeaker - Google Patents
The diaphragm of loudspeaker Download PDFInfo
- Publication number
- CN204518056U CN204518056U CN201520074363.XU CN201520074363U CN204518056U CN 204518056 U CN204518056 U CN 204518056U CN 201520074363 U CN201520074363 U CN 201520074363U CN 204518056 U CN204518056 U CN 204518056U
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- CN
- China
- Prior art keywords
- ring portion
- rollet
- vibrating diaphragm
- diaphragm
- bight
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- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model relates to a kind of diaphragm of loudspeaker, square vibrating diaphragm body comprises ring portion and the fixed part of the annular being positioned at the plane central part in center and being positioned at marginal position, ring portion is arranged and combination airtight with central part around central part, fixed part along described ring portion outward flange around setting, ring portion is provided with the ring of the globoidal structure perpendicular to described vibrating diaphragm, ring portion inward flange and ring portion outward flange are respectively in the curved transition in bight in described ring portion, each bight in ring portion is provided with one group of rollet, the two ends of the every bar rollet in each group of rollet extend respectively to the inward flange in ring portion and the outward flange in ring portion, and all rollets in each group rollet distribute along the arc in bight, ring portion, often group rollet all comprises the number of rollet is 7-18, the cross section of described rollet is U-shaped.This diaphragm of loudspeaker can reduce the harmonic distortion of loud speaker, improves the acoustical quality of loud speaker.
Description
Technical field
The utility model relates to a kind of loud speaker, particularly a kind of diaphragm of loudspeaker being applicable to intelligent machine, panel computer.
Background technology
In the prior art, the microminiaturization of the electronic terminal product such as mobile phone, panel computer, notebook becomes clear day by day, and also has requirement that is increasingly microminiaturized, flattening to the accessory used.Cause the requirement of accessory development & production very strict like this, substantially accomplish ultimate attainment, each details is very important.
In research and development and volume production process, easily there is diaphagras in various degree, cause the frequency response curve of loud speaker level and smooth not in conventional loudspeakers, occur spike phenomenon, Q value is higher or on the low side, thus affects band segment and occur spike distortion, second harmonic distortion, tonequality is dry and astringent or spacious.
Single with regard to above the research of vibrational system, applicant can find vibrating diaphragm distortion sound film had in various degree, uneven, if the imbalance of vibrating diaphragm in vibration processes will certainly bring diaphagras, increase the distortion of loud speaker, the acoustical quality of loud speaker is poor, has a strong impact on the quality of loud speaker, reduces the rate of finished products of whole speaker product.And applicant also finds the excessive glue phenomenon that has on loud speaker assembling process middle pitch film in various degree, and the excessive glue of assembling can produce diaphagras, increase the distortion of loud speaker, the acoustical quality of loud speaker is poor, have a strong impact on the quality of loud speaker, reduce the rate of finished products of whole speaker product.
Summary of the invention
The purpose of this utility model is the deficiency existed for prior art, a kind of diaphragm of loudspeaker is provided, it is uneven that this diaphragm of loudspeaker can reduce vibrating diaphragm in vibration processes, avoid the diaphagras that vibrational system is brought due to the distortion of sound film, reduce the harmonic distortion of loud speaker, improve the acoustical quality of loud speaker.
The purpose of this utility model is achieved in that a kind of diaphragm of loudspeaker, comprise square vibrating diaphragm body, described square vibrating diaphragm body comprises ring portion and the fixed part of the annular being positioned at the plane central part in center and being positioned at marginal position, described ring portion is arranged and combination airtight with central part around central part, described fixed part along described ring portion outward flange around setting, described vibrating diaphragm is made to be fixed on loudspeaker housing, described ring portion is provided with the ring of the globoidal structure perpendicular to described vibrating diaphragm, and ring portion inward flange and ring portion outward flange are respectively in the curved transition in bight in described ring portion, each bight in described ring portion is provided with one group of rollet, the two ends of the every bar rollet in each group of rollet extend respectively to the inward flange in ring portion and the outward flange in ring portion, and all rollets in each group rollet distribute along the arc in bight, ring portion, often group rollet all comprises the number of rollet is 7-18, the length often organizing rollet middle in rollet is the longest, the length often organizing rollet in rollet reduces from centre gradually to both sides, the cross section of described rollet is U-shaped.
Often organize the length of all rollets in rollet between 1-3 mm.
Vibrating diaphragm body is set reinforcement quantity be evenly distributed 13 decorative patterns as each bight.
Be provided with annular between the plane central part of described vibrating diaphragm body and ring portion inward flange first hinders glue groove, and be provided with annular between the fixed part of described vibrating diaphragm body and ring portion outward flange second hinders glue groove.
Described first resistance glue groove and the second resistance glue groove are respectively four curved transition in bight.
Described first resistance glue groove and the second resistance glue groove are U-shaped.
Adopt such scheme, the utility model is had the following advantages: the square vibrating diaphragm body due to the diaphragm of loudspeaker of the present utility model comprises ring portion and the fixed part of the annular being positioned at the plane central part in center and being positioned at marginal position, described ring portion is arranged and combination airtight with central part around central part, described fixed part along described ring portion outward flange around setting, described vibrating diaphragm is made to be fixed on loudspeaker housing, described ring portion is provided with the ring of the globoidal structure perpendicular to described vibrating diaphragm, and ring portion inward flange and ring portion outward flange are respectively in the curved transition in bight in described ring portion, each bight in described ring portion is provided with one group of rollet, the two ends of the every bar rollet in each group of rollet extend respectively to the inward flange in ring portion and the outward flange in ring portion, and all rollets in each group rollet distribute along the arc in bight, ring portion, often group rollet all comprises the number of rollet is 7-18, the length often organizing rollet middle in rollet is the longest, the length often organizing rollet in rollet reduces from centre gradually to both sides, the cross section of described rollet is U-shaped.The utility model is provided with rollet group in each bight in ring portion, can strengthen the rigidity of vibrating diaphragm, and it is uneven to reduce vibrating diaphragm in vibration processes, avoids the diaphagras that vibrational system is brought due to the distortion of sound film, reduce the harmonic distortion of loud speaker, improve the acoustical quality of loud speaker.
Be provided with annular between the plane central part of described vibrating diaphragm body and ring portion inward flange first hinders glue groove, and be provided with annular between the fixed part of described vibrating diaphragm body and ring portion outward flange second hinders glue groove.The utility model, by both sides, surround portion design resistance glue groove, avoids the excessive glue of assembling, avoids the diaphagras that vibrational system is brought due to excessive glue phenomenon, reduce the distortion of loud speaker, improve the acoustical quality of loud speaker, improve the rate of finished products of whole speaker product, avoid waste.And both sides, ring portion design resistance glue groove adds the stealthy height of ring, and do not change the effective depth of vibrational system, do not weaken the magnetic strength power of voice coil loudspeaker voice coil in field of magnetic forece, the overall sensitivity of loud speaker is not affected.
The design of two resistance glue grooves of the present utility model, under the prerequisite that vibrating diaphragm cost does not increase, utilize the principle of mechanics and acoustics, for the different structure factor of plate diaphragm, have employed novel countermeasure, thus making the distortion of panel speaker F0 drop to below 3-10%, frequency response curve seamlessly transits, and occurs without spike.Thus making the loud speaker of this type at acoustical quality, fraction defective, cost control all improves.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the diaphragm structure of panel speaker of the present utility model;
Fig. 2 is the P portion enlarged diagram of Fig. 1.
In accompanying drawing, centered by 1,2 is ring portion, and 3 is fixed part, and 4 is the first resistance glue groove, and 5 is the second resistance glue groove, and 6 is rollet.
Embodiment
See Fig. 1 and Fig. 2, a kind of diaphragm of loudspeaker, comprise square vibrating diaphragm body, described square vibrating diaphragm body comprises ring portion 2 and the fixed part 3 of the annular being positioned at the plane central part in center 1 and being positioned at marginal position, described ring portion is arranged and combination airtight with central part around central part, described fixed part along described ring portion outward flange around setting, described vibrating diaphragm is made to be fixed on loudspeaker housing, described ring portion is provided with the ring of the globoidal structure perpendicular to described vibrating diaphragm, and ring portion inward flange and ring portion outward flange are respectively in the curved transition in bight in described ring portion, each bight in described ring portion is provided with one group of rollet 6, the two ends of the every bar rollet in each group of rollet 6 extend respectively to the inward flange in ring portion and the outward flange in ring portion, and each all rollets organized in rollet are symmetrical along the arc in bight, ring portion.Often group rollet all comprises the number of rollet is 7-18, the length often organizing rollet middle in rollet is the longest, the length often organizing rollet in rollet reduces from centre gradually to both sides, and the cross section of described rollet is that U-shaped i.e. rollet has bottom and two side.Often organize the length of all rollets in rollet between 1-3 mm.For panel speaker vibrating diaphragm, the angle between rollet two side is 90 degree.Each bight in ring portion is evenly distributed 13 decorative patterns.The utility model is by the structure of reinforcement in ring portion, and quantity, length, avoids the diaphagras that this part produces, and reduces the harmonic distortion of loud speaker, optimizes loud speaker tonequality, improves the rate of finished products of whole speaker product, avoid waste, and structure is simple.
The design of the utility model reinforcement, under the prerequisite that vibrating diaphragm cost does not increase, utilizes the principle of mechanics and acoustics, for the different structure factor of vibrating diaphragm, have employed novel countermeasure, thus loud speaker frequency response curve is seamlessly transitted, reduce the appearance of spike.Also make the loud speaker of this type at acoustical quality, fraction defective, cost control all improves.
Be provided with annular between the plane central part of described vibrating diaphragm body and ring portion inward flange first hinders glue groove 4, and be provided with annular between the fixed part of described vibrating diaphragm body and ring portion outward flange second hinders glue groove 5.Described first resistance glue groove and the second resistance glue groove are respectively four curved transition in bight.Described first resistance glue groove and the second resistance glue groove are U-shaped.
The design of two resistance glue grooves of the present utility model, under the prerequisite that vibrating diaphragm cost does not increase, utilize the principle of mechanics and acoustics, for the different structure factor of plate diaphragm, have employed novel countermeasure, thus making the distortion of panel speaker F0 drop to below 5-3%, frequency response curve seamlessly transits, and occurs without spike.Thus improve the acoustical quality of this type loudspeakers.And make the loud speaker of this type at acoustical quality, fraction defective, cost control all improve.
The utility model structure is simple, for panel speaker, by there being resistance glue groove outside the voice coil loudspeaker voice coil position of vibrating diaphragm body and outside ring, central glue and limit glue is isolated in effectively the both sides of ring.Avoid the diaphagras that this part produces, reduce the distortion of loud speaker, optimize loud speaker tonequality, improve the rate of finished products of whole speaker product, avoid waste.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (6)
1. a diaphragm of loudspeaker, comprise square vibrating diaphragm body, it is characterized in that: described square vibrating diaphragm body comprises ring portion and the fixed part of the annular being positioned at the plane central part in center and being positioned at marginal position, described ring portion is arranged and combination airtight with central part around central part, described fixed part along described ring portion outward flange around setting, described vibrating diaphragm is made to be fixed on loudspeaker housing, described ring portion is provided with the ring of the globoidal structure perpendicular to described vibrating diaphragm, and ring portion inward flange and ring portion outward flange are respectively in the curved transition in bight in described ring portion, each bight in described ring portion is provided with one group of rollet, the two ends of the every bar rollet in each group of rollet extend respectively to the inward flange in ring portion and the outward flange in ring portion, and all rollets in each group rollet distribute along the arc in bight, ring portion, often group rollet all comprises the number of rollet is 7-18, the length often organizing rollet middle in rollet is the longest, the length often organizing rollet shortens from centre gradually to both sides, the cross section of described rollet is U-shaped.
2. the diaphragm of loudspeaker according to claim 1, is characterized in that: often organize the length of all rollets in rollet between 1-3 mm.
3. the diaphragm of loudspeaker according to claim 1, is characterized in that: vibrating diaphragm body is set reinforcement quantity be evenly distributed 13 decorative patterns as each bight.
4. the diaphragm of loudspeaker according to claim 1, it is characterized in that: be provided with annular between the plane central part of described vibrating diaphragm body and ring portion inward flange first hinders glue groove, and be provided with annular between the fixed part of described vibrating diaphragm body and ring portion outward flange second hinders glue groove.
5. the diaphragm of loudspeaker according to claim 4, is characterized in that: described first resistance glue groove and the second resistance glue groove are respectively four curved transition in bight.
6. the diaphragm of loudspeaker according to claim 4 or 5, is characterized in that: described first resistance glue groove and the second resistance glue groove are U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074363.XU CN204518056U (en) | 2015-02-03 | 2015-02-03 | The diaphragm of loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074363.XU CN204518056U (en) | 2015-02-03 | 2015-02-03 | The diaphragm of loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204518056U true CN204518056U (en) | 2015-07-29 |
Family
ID=53715981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520074363.XU Expired - Fee Related CN204518056U (en) | 2015-02-03 | 2015-02-03 | The diaphragm of loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204518056U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105872912A (en) * | 2016-04-22 | 2016-08-17 | 歌尔声学股份有限公司 | Vibrating diaphragm and minitype acoustic generator with same |
| CN106231508A (en) * | 2016-08-30 | 2016-12-14 | 歌尔股份有限公司 | A kind of vibrating diaphragm |
| CN106231507A (en) * | 2016-08-26 | 2016-12-14 | 广东欧珀移动通信有限公司 | A kind of vibrating diaphragm, speaker, sound chamber assembly and terminal |
| CN107155158A (en) * | 2017-06-19 | 2017-09-12 | 歌尔股份有限公司 | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm |
| CN108012224A (en) * | 2017-12-29 | 2018-05-08 | 歌尔股份有限公司 | A kind of vibrating diaphragm and electroacoustic transducer |
| US10708694B2 (en) | 2017-09-11 | 2020-07-07 | Apple Inc. | Continuous surround |
-
2015
- 2015-02-03 CN CN201520074363.XU patent/CN204518056U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105872912A (en) * | 2016-04-22 | 2016-08-17 | 歌尔声学股份有限公司 | Vibrating diaphragm and minitype acoustic generator with same |
| CN105872912B (en) * | 2016-04-22 | 2019-04-30 | 歌尔股份有限公司 | Vibrating diaphragm and minitype acoustic generator equipped with the vibrating diaphragm |
| CN106231507A (en) * | 2016-08-26 | 2016-12-14 | 广东欧珀移动通信有限公司 | A kind of vibrating diaphragm, speaker, sound chamber assembly and terminal |
| CN106231508A (en) * | 2016-08-30 | 2016-12-14 | 歌尔股份有限公司 | A kind of vibrating diaphragm |
| CN106231508B (en) * | 2016-08-30 | 2019-12-13 | 歌尔股份有限公司 | Vibrating diaphragm |
| CN107155158A (en) * | 2017-06-19 | 2017-09-12 | 歌尔股份有限公司 | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm |
| WO2018233410A1 (en) * | 2017-06-19 | 2018-12-27 | 歌尔股份有限公司 | Diaphragm and micro speaker provided with the same |
| CN107155158B (en) * | 2017-06-19 | 2020-07-03 | 歌尔股份有限公司 | Vibrating diaphragm and miniature sounder provided with same |
| US10708694B2 (en) | 2017-09-11 | 2020-07-07 | Apple Inc. | Continuous surround |
| CN108012224A (en) * | 2017-12-29 | 2018-05-08 | 歌尔股份有限公司 | A kind of vibrating diaphragm and electroacoustic transducer |
| CN108012224B (en) * | 2017-12-29 | 2023-11-21 | 歌尔股份有限公司 | Vibrating diaphragm and electroacoustic transducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180528 Address after: 638600 Jiang Hua Road, Guanghua Industrial Town, Huaying City, Guang'an, Sichuan Patentee after: SICHUAN GOLDKIOSK TECHNOLOGY CO., LTD. Address before: 638600 Jiang Hua Road, industrial town, Huaying City, Guang'an, Sichuan Patentee before: Sichuan and sounds electronic Science and Technology Ltd. |
|
| 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: 20150729 Termination date: 20200203 |