CN103414985A - Suspension structure of miniature loudspeaker - Google Patents
Suspension structure of miniature loudspeaker Download PDFInfo
- Publication number
- CN103414985A CN103414985A CN2013103586405A CN201310358640A CN103414985A CN 103414985 A CN103414985 A CN 103414985A CN 2013103586405 A CN2013103586405 A CN 2013103586405A CN 201310358640 A CN201310358640 A CN 201310358640A CN 103414985 A CN103414985 A CN 103414985A
- Authority
- CN
- China
- Prior art keywords
- flexible board
- voice coil
- diaphragm
- basin frame
- ring support
- 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.)
- Granted
Links
- 239000000725 suspension Substances 0.000 title abstract 3
- 239000012528 membrane Substances 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000005352 galvanomagnetic phenomena Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention relates to a suspension structure of a miniature loudspeaker. A first end face of a membrane is fixedly connected with the other end of a voice coil, a second end face of the membrane is connected with a plucking block, the plucking block comprises an annular support, a plurality of elastic arms and a flexible board, the end portion of the annular support and the membrane are located and fixed between a basin frame and a front cover, all the elastic arms are distributed between the annular support and the flexible board, one end of each elastic arm is connected with the inner side wall face of the annular support, the other end of each elastic arm is connected with the side wall face of the flexible board, and wires on the voice coil are welded to the flexible board. The suspension structure of the miniature loudspeaker reduces low frequency distortion, improves the power of a product and is long in service life.
Description
Technical field
The present invention relates to a kind of suspended structure of Microspeaker.
Background technology
Loud speaker belongs to electro-acoustic transducer device, and electric energy makes the diaphragm vibration by galvanomagnetic effect, and the diaphragm of vibration and ambient air resonate and sound.Magnetic circuit part for current loud speaker, if for obtaining better bass effect, magnet must be large as much as possible, but large magnet needs large voice coil loudspeaker voice coil to coordinate, loud speaker after the increase volume is for the electronic product of mobile phone, panel computer, notebook one class, and due to mobile phone, panel computer is done thinner and thinner, 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, to the loud speaker that increases volume, can't provide a suitable assembly space, thereby the problem that the loud speaker acoustic pressure is low, power is low is resolved never.
In addition, the structure of current loud speaker also has following shortcoming:
The first, because diaphragm is the film that one deck is very thin, diaphragm, in vibration processes, due to himself strength factor, 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, causes the acoustic pressure of loud speaker low;
The 3rd, voice coil line directly is welded on the basin frame, in vibration processes, the pulling force effect that voice coil line is vibrated, easily cause the fracture of voice coil line, thereby shortened the useful life of product.
Summary of the invention
The object of the invention is to, provide a kind of reduction low-frequency distortion, the suspended structure of the Microspeaker of improving product acoustic pressure, power and life-saving.
The technical scheme solved the problems of the technologies described above is as follows:
A kind of suspended structure of Microspeaker, comprise the basin frame, the magnetic cover, protecgulum, magnetic circuit device, voice coil loudspeaker voice coil and diaphragm, the magnetic cover is assemblied in the basin frame and is positioned at an end of basin frame, protecgulum is connected with the other end of basin frame, magnetic circuit device is arranged in the basin frame, one end of magnetic circuit device is supported on the magnetic cover, one end ring of voice coil loudspeaker voice coil is around the other end of magnetic circuit device, 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, a plurality of 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.
Adopted such scheme, on the second end face of diaphragm, connect one and play piece, play piece and comprise ring support, a plurality of elasticity arm 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, and the other end of each elasticity arm is connected with the side wall surface of flexible board respectively.In the course of work, under electromagnetic force, voice coil loudspeaker voice coil band dynamic diaphragm vibration, drive during the diaphragm vibration and play piece and vibrate thereupon, and the concrete vibration of playing piece is: the flexible board of playing piece produces vibration, the vibrated active force of elasticity arm of playing piece deforms, when flexible board vibrates, flexible board is produced to a pulling force effect, therefore, when playing piece and vibrating with diaphragm, avoided the not steady of diaphragm vibration.And, due to the existence of playing piece, make the compliance of diaphragm reduce, and rigidity is increased, and like this, diaphragm its amplitude when vibration can increase, and therefore, the power of loud speaker is increased.Diaphragm is when compliance reduces, and the low-frequency distortion of loud speaker is reduced.The relatively existing loud speaker of the present invention, by diaphragm and play the vibrating device that makes that piece forms elastic force is more arranged, thereby increase acoustic pressure.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, like this, in the middle of loud speaker, there is no the unsettled pulling force that is subjected to of wire, and ensure the life-span of product, do not have the life problems of tone-off.
The present invention is for after mobile phone, panel computer, notebook computer inside, solved the bass problem of the electronic product high sound pressure high power such as mobile phone, panel computer and high-fidelity, makes the technical problem be present in for a long time in this area be resolved.
The accompanying drawing explanation
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 loud speaker 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 has reflected after piece is played in increase on the suspended structure of Microspeaker and has increased the acoustic pressure curve comparison figure that plays piece;
Fig. 6 has reflected after piece is played in increase on the suspended structure of Microspeaker and has increased the distortion curve comparison diagram of playing piece;
In accompanying drawing, 1 is that basin frame, 2 is that magnetic cover, 3 is that protecgulum, 5 is that voice coil loudspeaker voice coil, 6 is that diaphragm, 7 is that magnet steel, 8 is pole piece, and 10 is that ring support, 12 is that elasticity arm, 13 is that flexible board, 14 is projection for playing piece, 11.
Embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
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 an end of basin frame 1, and protecgulum 3 is connected with the other end of basin frame 1.Magnetic circuit device is arranged in basin frame 1, and an end of magnetic circuit device 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.One end ring of voice coil loudspeaker voice coil 5 is around the other end of magnetic circuit device.The first end face of diaphragm 6 is fixedly connected with the other end of voice coil loudspeaker voice coil 5, on the second end face of diaphragm 6, connects one and plays piece 10.
Play piece 10 and comprise ring support 11, a plurality of elasticity arms 12 and flexible board 13, the end of ring support 11 and diaphragm 6 and be fixed between basin frame 1 and protecgulum 3, each elasticity arm 12 is distributed between ring 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, the position be connected with elasticity arm of flexible board, intersection for two sides adjacent walls on this flexible board, this syndeton, make flexible board stressed even in vibration processes, during vibration, can vibrate reposefully.One end of described elasticity arm 12 extends to form the first arc linkage section through the side wall surface of crooked backward flexible board, the other end of elasticity arm extends to form the second arc linkage section through the side wall surface of crooked backward flexible board, the elasticity arm of this structure, be conducive to flexible board, when vibration, it imposed to the pulling force effect.Wire on described voice coil loudspeaker voice coil 5 and flexible board 13 welding.Described flexible board 13 comprises interior ring support and middle subsides, in this, pastes 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 minute body formed structure is symmetrically arranged with a pair of projection 14 on the surface of middle subsides.With reference to Fig. 3 and Fig. 4, loud speaker is except the structure difference of flexible board, and 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, namely in the present invention due to the existence of playing piece, make the compliance of diaphragm reduce, rigidity is increased, and like this, diaphragm its amplitude when vibration can increase, and therefore, the power of loud speaker is increased.Diaphragm is when compliance reduces, and the low-frequency distortion of loud speaker is reduced.The relatively existing loud speaker of the present invention, by diaphragm and play the vibrating device that makes that piece forms elastic force is more arranged, thereby increase acoustic pressure.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, from curve contrast, can find out, adopting structure-borne sound of the present invention to buckle line can be at the whole frequency range lifting of low frequency 3-6dB, and low frequency THD is lower than conventional design.Clear sound when playing music, acoustically strengthen enjoyment for the people.
Although more than described the specific embodiment of the present invention, those of skill in the art in the art should be appreciated that these only illustrate, and can make various changes or modifications to these execution modes, and not deviate from principle of the present invention and essence.Scope of the present invention is only limited by appended claims.
Claims (5)
1. the suspended structure of a Microspeaker, comprise the basin frame, the magnetic cover, protecgulum, magnetic circuit device, voice coil loudspeaker voice coil and diaphragm, the magnetic cover is assemblied in the basin frame and is positioned at an end of basin frame, protecgulum is connected with the other end of basin frame, magnetic circuit device is arranged in the basin frame, one end of magnetic circuit device is supported on the magnetic cover, one end ring of voice coil loudspeaker voice coil is around the other end of magnetic circuit device, 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, a plurality of 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.
2. the suspended structure of Microspeaker according to claim 1, it is characterized in that: described flexible board comprises interior ring support and middle subsides, in this, pastes the middle part that is fixed on interior ring support.
3. the suspended structure of Microspeaker according to claim 2, is characterized in that: on the surface of described middle subsides, be symmetrically arranged with a pair of projection.
4. the suspended structure of Microspeaker according to claim 1, it is characterized in that: the position be connected with elasticity arm of flexible board is the intersection of two sides adjacent walls on this flexible board.
5. the suspended structure of Microspeaker according to claim 1, it is characterized in that: an end of described elasticity arm extends to form the first arc linkage section through the side wall surface of crooked backward flexible board, and the other end of elasticity arm extends to form the second arc linkage section through the side wall surface of crooked 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 true CN103414985A (en) | 2013-11-27 |
| CN103414985B 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) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270702A (en) * | 2014-09-17 | 2015-01-07 | 苏州瀚墨材料技术有限公司 | Supporting assisting system |
| WO2015021729A1 (en) * | 2013-08-16 | 2015-02-19 | 汉得利（常州）电子有限公司 | Suspension structure of micro-loudspeaker |
| WO2015096526A1 (en) * | 2013-12-25 | 2015-07-02 | 汉得利（常州）电子股份有限公司 | Suspended elastic diaphragm |
| CN108449699A (en) * | 2018-06-04 | 2018-08-24 | 常州倍速智能科技有限公司 | Precision machinery counter-jib electro-acoustic conversion device |
| CN109076270A (en) * | 2016-04-15 | 2018-12-21 | 哈曼国际工业有限公司 | Speaker motor and suspension |
| CN109587607A (en) * | 2018-12-26 | 2019-04-05 | 江苏米笛声学科技有限公司 | The plane spring plate with linear oscillator function of superlinearity loudspeaker |
| CN109996158A (en) * | 2018-12-26 | 2019-07-09 | 江苏米笛声学科技有限公司 | Superlinearity Microspeaker |
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 | speaker |
| 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 | speaker |
| 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 |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015021729A1 (en) * | 2013-08-16 | 2015-02-19 | 汉得利（常州）电子有限公司 | Suspension structure of micro-loudspeaker |
| WO2015096526A1 (en) * | 2013-12-25 | 2015-07-02 | 汉得利（常州）电子股份有限公司 | Suspended 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 |
| CN109076270A (en) * | 2016-04-15 | 2018-12-21 | 哈曼国际工业有限公司 | Speaker motor and suspension |
| CN109076270B (en) * | 2016-04-15 | 2020-11-03 | 哈曼国际工业有限公司 | Loudspeaker motor and suspension system |
| CN108449699A (en) * | 2018-06-04 | 2018-08-24 | 常州倍速智能科技有限公司 | Precision machinery counter-jib electro-acoustic conversion device |
| 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 |
| CN109587607A (en) * | 2018-12-26 | 2019-04-05 | 江苏米笛声学科技有限公司 | The plane spring plate with linear oscillator function of superlinearity loudspeaker |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015021729A1 (en) | 2015-02-19 |
| CN103414985B (en) | 2016-05-11 |
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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. |
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