CN103414985B - The suspended structure of Microspeaker - Google Patents
The suspended structure of Microspeaker Download PDFInfo
- Publication number
- CN103414985B CN103414985B CN201310358640.5A CN201310358640A CN103414985B CN 103414985 B CN103414985 B CN 103414985B CN 201310358640 A CN201310358640 A CN 201310358640A CN 103414985 B CN103414985 B CN 103414985B
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- CN
- China
- Prior art keywords
- voice coil
- flexible board
- diaphragm
- ring support
- elasticity arm
- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/006—Interconnection of transducer parts
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/041—Centering
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention relates to a kind of suspended structure of Microspeaker, the first end face of diaphragm is fixedly connected with the other end of voice coil loudspeaker voice coil, on the second end face of diaphragm, connect one and play piece, play piece and comprise ring support, multiple elasticity arms and flexible board, the end of ring support and diaphragm and be fixed between basin frame and protecgulum, each elasticity arm is distributed between ring support and flexible board, one end of each elasticity arm is connected with the interior sidewall surface of ring support, the other end of each elasticity arm is connected with the side wall surface of flexible board respectively, wire on described voice coil loudspeaker voice coil and flexible board welding. the suspended structure of Microspeaker of the present invention has reduced low-frequency distortion, the feature that improving product power and life-span are long.
Description
Technical field
The present invention relates to a kind of suspended structure of Microspeaker.
Background technology
Loudspeaker belongs to electro-acoustic transducer device, and electric energy makes diaphragm vibration, the diaphragm of vibration by galvanomagnetic-effectSound with ambient air resonance. For the magnetic circuit part of current loudspeaker, obtain more ifGood bass effect, magnet must be large as much as possible, but large magnet needs large voice coil loudspeaker voice coil to coordinate, and increases bodyLoudspeaker after long-pending is for the electronic product of mobile phone, panel computer, notebook one class, due to mobile phone,Panel computer does thinner and thinner, and size is more and more less, and the space of leaving equipped with loudspeaker for is also more and more less. Therefore,The electronic product of this class, due to the restriction in structure and space, cannot provide one to the loudspeaker that increases volumeSuitable assembly space, thus the problem that loudspeaker acoustic pressure is low, power is low is never resolved.
In addition, the structure of current loudspeaker also has following shortcoming:
The first, because diaphragm is the film that one deck is very thin, diaphragm is in vibration processes, due to himself intensityFactor, occurs that vibration is uneven, causes low-frequency distortion;
The second, existing diaphragm compliance is higher, and its elasticity is low, causes in vibration processes its amplitude little, makesBecome the acoustic pressure of loudspeaker low;
The 3rd, voice coil line is directly welded on basin frame, in vibration processes, what voice coil line was vibrated drawsPower effect, easily causes the fracture of voice coil line, thereby has shortened the service life of product.
Summary of the invention
The object of the invention is to, a kind of low-frequency distortion that reduces is provided, improving product acoustic pressure, power and prolongThe suspended structure of long-life Microspeaker.
The technical scheme solving the problems of the technologies described above is as follows:
A suspended structure for Microspeaker, comprise basin frame, magnetic cover, protecgulum, magnetic circuit device, voice coil loudspeaker voice coil withAnd diaphragm, magnetic cover is assemblied in basin frame and is positioned at one end of basin frame, and protecgulum is connected with the other end of basin frame, magneticRoad device is arranged in basin frame, and one end of magnetic circuit device is supported on magnetic cover, and one end of voice coil loudspeaker voice coil is looped around magnetic circuit dressAround, the first end face of diaphragm is fixedly connected with the other end of voice coil loudspeaker voice coil the other end of putting, the second end of diaphragmOn face, connect one and play piece, play piece and comprise ring support, multiple elasticity arm and flexible board, annularThe end of frame and diaphragm and be fixed between basin frame and protecgulum, each elasticity arm is distributed in ring supportAnd between flexible board, one end of each elasticity arm is connected with the interior sidewall surface of ring support, each elasticity armThe other end is connected with the side wall surface of flexible board respectively, the wire on described voice coil loudspeaker voice coil and flexible board welding.
Adopt such scheme, on the second end face of diaphragm, connected one and play piece, played piece and comprise annularFrame, multiple elasticity arm and flexible board, the end of ring support and diaphragm are positioned at and are fixed on basin frame and frontBetween lid, each elasticity arm is distributed between ring support and flexible board, one end of each elasticity arm and annularThe interior sidewall surface of support connects, and the other end of each elasticity arm is connected with the side wall surface of flexible board respectively. WorkIn process, under electromagnetic force, voice coil loudspeaker voice coil band dynamic diaphragm vibration, drives when diaphragm vibration and plays piece and shake thereuponMoving, the concrete vibration of playing piece is: the flexible board of playing piece produces vibration, and the elasticity arm of playing piece is vibratedActive force deforms, and in the time that flexible board vibrates, flexible board is produced to a pulling force effect, therefore, playsWhen piece vibrates with diaphragm, avoid the not steady of diaphragm vibration. And owing to playing the existence of piece, make filmThe compliance of sheet reduces, and rigidity is increased, and like this, diaphragm its amplitude in the time of vibration can increase, therefore,The power of loudspeaker is increased. Diaphragm is when compliance reduces, and the low-frequency distortion of loudspeaker is reduced.The relatively existing loudspeaker of the present invention, by diaphragm and play the vibrating device that makes that piece forms and more have elastic force,Thereby increase acoustic pressure. The present invention can promote the acoustic pressure of 3-6dB under identical structure, and power can be carriedRise more than one times. Due to the wire on voice coil loudspeaker voice coil and flexible board welding, like this, in the middle of loudspeaker, do not have wire outstandingSky is subject to pulling force, and ensures the life-span of product, does not have the life problems of tone-off.
The present invention, for behind mobile phone, panel computer, notebook computer inside, has solved mobile phone, dull and stereotyped electricityThe bass problem of the electronic product high sound pressure high powers such as brain and high-fidelity, makes to be present in for a long time abilityTechnical problem in territory is resolved.
Brief description of the drawings
Fig. 1 is the structural representation of the suspended structure of the first Microspeaker of the present invention;
Fig. 2 is the be hit by a bullet assembling schematic diagram of shifting block and diaphragm of Fig. 1;
Fig. 3 is the structural representation of the second loudspeaker of the present invention;
Fig. 4 is the be hit by a bullet assembling schematic diagram of shifting block and diaphragm of Fig. 2;
Fig. 5 reflected in the suspended structure of Microspeaker increase play piece after with do not increase the sound of playing pieceThe line comparison diagram of buckling;
Fig. 6 reflected in the suspended structure of Microspeaker increase play piece after with do not increase the mistake of playing pieceTrue curve comparison figure;
In accompanying drawing, 1 be basin frame, 2 for magnetic cover, 3 for protecgulum, 5 for voice coil loudspeaker voice coil, 6 for diaphragm, 7 for magnet steel,8 is pole piece, and 10 for playing piece, 11 for ring support, 12 is for elasticity arm, 13 is for flexible board, 14 is for protrudingPiece.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
See figures.1.and.2, the suspended structure of Microspeaker of the present invention, comprise basin frame 1, magnetic cover 2,Protecgulum 3, magnetic circuit device, voice coil loudspeaker voice coil 5 and diaphragm 6. Magnetic cover 2 is assemblied in basin frame 1 and is positioned at basin frame 1One end, protecgulum 3 is connected with the other end of basin frame 1. Magnetic circuit device is arranged in basin frame 1, one of magnetic circuit deviceEnd is supported on magnetic cover 2, and magnetic circuit device forms by magnet steel 7 with the pole piece 8 that this magnet steel 7 is fixed as one.The other end that one end of voice coil loudspeaker voice coil 5 is looped around magnetic circuit device around. The first end face of diaphragm 6 and voice coil loudspeaker voice coil 5The other end is fixedly connected with, and connects one and play piece 10 on the second end face of diaphragm 6.
Play piece 10 and comprise ring support 11, multiple elasticity arm 12 and flexible board 13, ring support 11End and diaphragm 6 and be fixed between basin frame 1 and protecgulum 3, each elasticity arm 12 is distributed in ringBetween shape support 11 and flexible board 13, one end of each elasticity arm 13 is connected with the interior sidewall surface of ring support,The other end of each elasticity arm 12 is connected with the side wall surface of flexible board 13 respectively, flexible board with elasticity arm phaseThe position connecting, is the intersection of two sides adjacent walls on this flexible board, and this syndeton, makes softProperty plate in vibration processes stressed evenly, when vibration, can vibrate reposefully. One end warp of described elasticity arm 12The side wall surface of crossing bending backward flexible board extends to form the first arc linkage section, and the other end of elasticity arm is through curvedThe side wall surface of Qu Houxiang flexible board extends to form the second arc linkage section, and the elasticity arm of this structure, is conducive toFlexible board imposes pulling force effect to it in the time of vibration. Wire and flexible board 13 on described voice coil loudspeaker voice coil 5 weld. InstituteState flexible board 13 and comprise interior ring support and middle subsides, in this, paste the middle part that is fixed on interior ring support. With reference to Fig. 2,The interior ring support of flexible board and middle subsides divide body formed, and this point of body formed structure is right on the surface of middle subsidesClaim to be provided with a pair of projection 14. With reference to Fig. 3 and Fig. 4, loudspeaker except the structure difference of flexible board,All the other structures are all identical, and in this structure, interior ring support and the middle subsides of flexible board 13 are one-body molded.
Based on above scheme, in the present invention owing to playing the existence of piece, the compliance of diaphragm is reduced,Rigidity is increased, and like this, diaphragm its amplitude in the time of vibration can increase, and therefore, the power of loudspeaker obtainsTo increasing. Diaphragm is when compliance reduces, and the low-frequency distortion of loudspeaker is reduced. The present invention is relatively existingSome loudspeakers, by diaphragm and play the vibrating device that makes that piece forms and more have elastic force, thus increase soundPress. The present invention can promote the acoustic pressure of 3-6dB under identical structure, and power can promote more than one times.Due to the wire on voice coil loudspeaker voice coil and flexible board welding.
With reference to Fig. 5 and Fig. 6, can find out from curve contrast, adopting structure-borne sound of the present invention to buckle line can beThe whole frequency range of low frequency promotes 3-6dB, and low frequency THD is lower than conventional design. In the time playing music, sound is clearClear, acoustically strengthen enjoyment to people.
Although more than described the specific embodiment of the present invention, knack people in the artMember should be appreciated that these only illustrate, and can make various changes or modifications to these embodiments,And do not deviate from principle of the present invention and essence. Scope of the present invention is only limited by appended claims.
Claims (1)
1. the suspended structure of a Microspeaker, comprise basin frame, magnetic cover, protecgulum, magnetic circuit device, voice coil loudspeaker voice coil and diaphragm, magnetic cover is assemblied in basin frame and is positioned at one end of basin frame, protecgulum is connected with the other end of basin frame, magnetic circuit device is arranged in basin frame, one end of magnetic circuit device is supported on magnetic cover, the other end that one end of voice coil loudspeaker voice coil is looped around magnetic circuit device around, the first end face of diaphragm is fixedly connected with the other end of voice coil loudspeaker voice coil, it is characterized in that: on the second end face of diaphragm, connect one and play piece, play piece and comprise ring support, multiple elasticity arms and flexible board, the end of ring support and diaphragm and be fixed between basin frame and protecgulum, each elasticity arm is distributed between ring support and flexible board, one end of each elasticity arm is connected with the interior sidewall surface of ring support, the other end of each elasticity arm is connected with the side wall surface of flexible board respectively, wire on described voice coil loudspeaker voice coil and flexible board welding, described flexible board comprises interior ring support and middle subsides, in this, paste the middle part that is fixed on interior ring support, on the surface of described middle subsides, be symmetrically arranged with a pair of projection, the position being connected with elasticity arm of flexible board is the intersection of two sides adjacent walls on this flexible board, one end of described elasticity arm extends to form the first arc linkage section through the side wall surface of bending backward flexible board, and the other end of elasticity arm extends to form the second arc linkage section through the side wall surface of bending backward flexible board.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310358640.5A CN103414985B (en) | 2013-08-16 | 2013-08-16 | The suspended structure of Microspeaker |
| PCT/CN2013/090501 WO2015021729A1 (en) | 2013-08-16 | 2013-12-26 | Suspension structure of micro-loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310358640.5A CN103414985B (en) | 2013-08-16 | 2013-08-16 | The suspended structure of Microspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103414985A CN103414985A (en) | 2013-11-27 |
| CN103414985B true CN103414985B (en) | 2016-05-11 |
Family
ID=49607962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310358640.5A Active CN103414985B (en) | 2013-08-16 | 2013-08-16 | The suspended structure of Microspeaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103414985B (en) |
| WO (1) | WO2015021729A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414985B (en) * | 2013-08-16 | 2016-05-11 | 常州博士达电子有限公司 | The suspended structure of Microspeaker |
| CN103747396A (en) * | 2013-12-25 | 2014-04-23 | 汉得利（常州）电子有限公司 | Suspension type elastic diaphragm |
| CN104270702A (en) * | 2014-09-17 | 2015-01-07 | 苏州瀚墨材料技术有限公司 | Supporting assisting system |
| US9854365B2 (en) * | 2016-04-15 | 2017-12-26 | Harman International Industries, Inc. | Loudspeaker motor and suspension system |
| CN108449699B (en) * | 2018-06-04 | 2023-07-18 | 汉得利（常州）电子股份有限公司 | Electroacoustic conversion device of precision mechanical balance arm |
| CN109996158A (en) * | 2018-12-26 | 2019-07-09 | 江苏米笛声学科技有限公司 | Superlinearity Microspeaker |
| CN109587607B (en) * | 2018-12-26 | 2023-11-24 | 常州元太科技有限公司 | Planar spring plate with linear vibration function for super linear loudspeaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1765151A (en) * | 2004-03-08 | 2006-04-26 | 松下电器产业株式会社 | Loudspeaker |
| CN1843057A (en) * | 2004-08-27 | 2006-10-04 | 松下电器产业株式会社 | Speaker |
| CN201708914U (en) * | 2010-04-21 | 2011-01-12 | 歌尔声学股份有限公司 | Miniature moving-coil type electroacoustic transducer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414985B (en) * | 2013-08-16 | 2016-05-11 | 常州博士达电子有限公司 | The suspended structure of Microspeaker |
-
2013
- 2013-08-16 CN CN201310358640.5A patent/CN103414985B/en active Active
- 2013-12-26 WO PCT/CN2013/090501 patent/WO2015021729A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1765151A (en) * | 2004-03-08 | 2006-04-26 | 松下电器产业株式会社 | Loudspeaker |
| CN1843057A (en) * | 2004-08-27 | 2006-10-04 | 松下电器产业株式会社 | Speaker |
| CN201708914U (en) * | 2010-04-21 | 2011-01-12 | 歌尔声学股份有限公司 | Miniature moving-coil type electroacoustic transducer |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015021729A1 (en) | 2015-02-19 |
| CN103414985A (en) | 2013-11-27 |
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Effective date of registration: 20170811 Address after: 213022 Changzhou West District, Jiangsu, the Yellow River West Road, No. 199 Patentee after: HANDELI (CHANGZHOU) ELECTRONICS CO., LTD. Address before: 213000, third floor, block B, Cheonan industrial village, Xinbei District, Jiangsu, Changzhou Patentee before: Bestar Electronics Industry Co., Ltd. |