CN110035362A - Loudspeaker - Google Patents

Loudspeaker Download PDF

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Publication number
CN110035362A
CN110035362A CN201811650099.4A CN201811650099A CN110035362A CN 110035362 A CN110035362 A CN 110035362A CN 201811650099 A CN201811650099 A CN 201811650099A CN 110035362 A CN110035362 A CN 110035362A
Authority
CN
China
Prior art keywords
fixed
bending
loudspeaker
vibrating diaphragm
iii
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
Application number
CN201811650099.4A
Other languages
Chinese (zh)
Other versions
CN110035362B (en
Inventor
肖波
令狐荣林
刘晓东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Pte Ltd
Original Assignee
AAC Technologies Pte Ltd
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Publication date
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Priority to CN201811650099.4A priority Critical patent/CN110035362B/en
Publication of CN110035362A publication Critical patent/CN110035362A/en
Application granted granted Critical
Publication of CN110035362B publication Critical patent/CN110035362B/en
Active legal-status Critical Current
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12Non-planar diaphragms or cones
    • H04R7/14Non-planar diaphragms or cones corrugated, pleated or ribbed
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/025Magnetic circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/04Construction, mounting, or centering of coil
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers

Abstract

The present invention provides a kind of loudspeaker.The loudspeaker includes frame, vibrational system and elastic supporting member for supporting optical member, vibrational system includes the first vibrating diaphragm and voice coil, elastic supporting member for supporting optical member includes the flexible circuit board for being fixed on frame and supporting voice coil, flexible circuit board includes the first fixed part connecting with voice coil, the elasticity arm of the second fixed part and connection the first fixed part and the second fixed part that are connect with frame, elasticity arm includes the first part connecting with the first fixed part, the second part and bending that connect with the second fixed part connect the Part III of the first part and second part, the Part III first part, second part is closer to first vibrating diaphragm, the end of first part and the end of second part are respectively towards the both ends for extending and connected to Part III close to the bending of the direction of the first vibrating diaphragm.Loadspeaker structure provided by the invention is simple, vibration performance is strong, and acoustical behavior is good.

Description

Loudspeaker
[technical field]
The present invention relates to acoustic-electric field more particularly to a kind of loudspeakers.
[background technique]
With the development of electronic technology, multi-functional, the high tone quality to adapt to various stereo sets and information communication device Demand, for the acoustical behavior of loudspeaker, more stringent requirements are proposed.
In the related technology, loudspeaker includes vibrational system, magnetic circuit system and elastic supporting member for supporting optical member, and elastic supporting member for supporting optical member includes flexibility Circuit board and the second vibrating diaphragm, the flexible circuit include elasticity arm, and the elasticity arm back-shaped bending in the same plane limits The length of its arm of force, meanwhile, elasticity arm is closer with the second vibrating diaphragm, and the oscillation space of the elasticity arm is also restrained, is unfavorable for The promotion of loudspeaker acoustical behavior.
Therefore, it is really necessary to provide a kind of new loudspeaker solution above-mentioned technical problem.
[summary of the invention]
A kind of the purpose of the present invention is to provide structures simple, the good loudspeaker of acoustical behavior.
In order to achieve the above object, the present invention provides a kind of loudspeaker, including with accommodating space frame, be contained in institute The elastic supporting member for supporting optical member of the vibrational system and the resilient support vibrational system in accommodating space is stated, the vibrational system includes being used for First vibrating diaphragm of vibration sounding and below first vibrating diaphragm and drive the voice coils of first diaphragm oscillations, the elasticity Supporting element includes the flexible circuit board for being fixed on the frame and supporting the voice coil, and the flexible circuit board includes and the sound The first fixed part for enclosing connection, the second fixed part connecting with frame and connection first fixed part and described second are fixed The elasticity arm in portion, the elasticity arm include the first part connecting with first fixed part, connect with second fixed part Second part and bending connect the Part III of the first part and the second part, the Part III is relatively described First part, the second part are closer to first vibrating diaphragm, the end of the end of the first part and the second part End is respectively towards the both ends for extending and connected to the Part III close to the bending of the direction of first vibrating diaphragm.
Preferably, the first part includes extending again from first fixed part to close to second fixed part direction First extension of horizontal buckling and from the end of first extension to close to first vibrating diaphragm direction bending extend The first bending part;The second part includes extending water again from second fixed part to close to first fixed part direction Put down the second extension of bending and from the end of second extension to close to the bending extension of first vibrating diaphragm direction Second bending part, the both ends of the Part III are connect with first bending part and second bending part respectively.
Preferably, first extension is connect with the first bending part arc-shaped transition, second extension and institute State the connection of the second bending part arc-shaped transition.
Preferably, first bending part is connect with the Part III arc-shaped transition, second bending part with it is described The connection of Part III arc-shaped transition.
Preferably, the quantity of the elasticity arm is two, and two elasticity arms are symmetrical arranged, and cooperates described first to consolidate Determine portion and second fixed part forms closed hoop.
Preferably, the elastic supporting member for supporting optical member further includes the second vibrating diaphragm below the flexible circuit board, and described second Vibrating diaphragm include the first connecting portion being connect with first fixed part, the second connecting portion being connect with second fixed part and The ring portion of the first connecting portion and the second connecting portion is connected, the ring portion is spaced apart from each other with the elasticity arm.
Preferably, the loudspeaker further includes the magnetic circuit for being contained in the accommodating space and driving the vibrational system vibration System, the magnetic circuit system include the magnetic yoke being fixedly connected with the frame, group assigned in the magnetic yoke center main magnet steel, assemble In the master in the magnetic yoke and around the main magnet steel setting to form the secondary magnet steel of magnetic gap, be attached above the main magnet steel Pole piece and the consequent pole core for being attached at the secondary magnet steel, the voice coil are suspended in the magnetic gap.
Preferably, first fixed part, second fixed part and the elasticity arm are integrally formed.
Compared with the relevant technologies, in loudspeaker provided by the invention, three-dimensional at Z-shape is arranged in the elasticity arm of flexible circuit board Three-dimensional shape increases the length of the elasticity arm, improves its vibration performance, while increasing the elasticity arm and described the The spacing of two vibrating diaphragms increases the oscillation space of the elasticity arm, further enhances the vibration performance of the elasticity arm, improves The acoustical behavior of the loudspeaker.
[Detailed description of the invention]
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing, in which:
Fig. 1 is the schematic perspective view of loudspeaker provided by the invention;
Fig. 2 is the part-structure hierarchical diagram of loudspeaker shown in FIG. 1;
Fig. 3 is cross-sectional view of the loudspeaker shown in FIG. 1 along line A-A;
Fig. 4 is the schematic perspective view of elastic supporting member for supporting optical member.
[specific embodiment]
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1 to Fig. 4, the present invention provides a kind of loudspeaker 100.The loudspeaker 100 includes having receiving The elastic supporting member for supporting optical member of the frame 1 in space, the vibrational system 2 being contained in the accommodating space, the resilient support vibrational system 2 3, for driving the magnetic circuit system 4 of 2 vibration sounding of vibrational system.
1 rectangular frame-shaped of frame, for accommodating and protecting other devices of the loudspeaker 100.
The vibrational system 2 is used for vibration sounding, specifically, the vibrational system 2 includes first for vibration sounding Vibrating diaphragm 21, the voice coil 22 positioned at 21 lower section of the first vibrating diaphragm and for driving 21 vibration sounding of the first vibrating diaphragm.
The elastic supporting member for supporting optical member 3 is for flexibly supporting the voice coil 22 comprising flexibly supports the flexibility of the voice coil 22 Circuit board 31 and positioned at the second vibrating diaphragm 32 flexible circuit board 31 lower section and connect with the flexible circuit board 31.
The flexible circuit board 31 includes the first fixed part 311 connecting with the voice coil 22, connect with the frame 1 The elasticity arm 313 of second fixed part 312 and connection first fixed part 311 and second fixed part 312, the elastic force Arm 313 is suspended in the accommodating space, and quantity is two, and two elasticity arms 313 are symmetrical arranged, and cooperates described the One fixed part 311 and second fixed part 313 form closed hoop.Preferably, first fixed part 311, described second Fixed part 312 and the elasticity arm 313 are integrally formed.
Further, the elasticity arm 313 includes the first part 3131 and institute connecting with first fixed part 311 State second part 3132 and the back-shaped bending connection first part 3131 and second described of the connection of the second fixed part 312 Divide 3132 Part III 3133, the Part III 3133 first part 3131, the second part 3132 more lean on Nearly first vibrating diaphragm 21, the end of the first part 3131 and the end of the second part 3132 are respectively towards close to described The direction bending of first vibrating diaphragm 21 extends and connected to the both ends of the Part III 3133.
Specifically, the first part 3131 includes from first fixed part 311 to close to second fixed part 312 Direction extends the first extension 3134 of horizontal buckling again and from the end of first extension 3134 to close to described the The first bending part 3135 that the bending of one vibrating diaphragm, 21 direction extends;The second part 3132 includes from second fixed part 312 Extend the second extension 3136 of horizontal buckling again to close first fixed part, 311 direction and extends from described second The second bending part 3137 that the end in portion 3136 extends to close first vibrating diaphragm, 21 direction bending, the Part III 3133 Both ends connect respectively with first bending part 3135 and second bending part 3137.
Preferably, first extension 3134 is connect with 3135 arc-shaped transition of the first bending part, and described second prolongs Extending portion 3136 is connect with 3137 arc-shaped transition of the second bending part;First bending part 3135 and the Part III 3133 Arc-shaped transition connection, second bending part 3137 is connect with 3133 points of third portion arc-shaped transition, so that the elasticity arm 313 whole smooth transition, it is possible to prevente effectively from the concentration of stress, is not easily broken.
It is understood that the Part III 3133 is in bending, its vibratory output can be significantly improved, further, The whole three-dimensional shape in Z-shaped of the elasticity arm 313, increases the length of the elasticity arm 313, can reinforce its vibration Dynamic performance, and then the vibration performance of the elastic supporting member for supporting optical member 3 can be improved, meanwhile, first bending part 3135 and described the Two bending parts 3137 are bent towards close to 21 direction of the first vibrating diaphragm, that is, are directed away from 32 direction of the second vibrating diaphragm bending, are made The spacing for obtaining the Part III 3133 and second vibrating diaphragm 32 increases, and the vibration for increasing the Part III 3133 is empty Between, the vibratory output of the Part III 3133 can also be increased, improve the acoustical behavior of the loudspeaker 100.
Second vibrating diaphragm 32 includes that the first connecting portion 321 connecting with first fixed part 311 and described second are solid Determine the second connecting portion 322 of the connection of portion 312 and the ring of the connection first connecting portion 321 and the second connecting portion 322 Portion 323, the ring portion 323 are spaced apart from each other with the elasticity arm 313.
The magnetic circuit system 4 for driving 2 vibration sounding of vibrational system, specifically, the magnetic circuit system 4 include with Main magnet steel 42 assigned in 41 center of magnetic yoke of magnetic yoke 41 that the frame 1 is fixedly connected, group, group assigned in the magnetic yoke 41 simultaneously Around main magnet steel 42 setting with formed the secondary magnet steel 43 of magnetic gap, be attached at the main pole core 44 of 42 top of main magnet steel with And it is attached at the consequent pole core 45 of the secondary magnet steel.
In the present embodiment, the magnetic yoke 41 is plate-like structure, and the main magnet steel 42 is attached in the magnetic yoke 41 The heart, the pair magnet steel 43 are strip, and quantity is two, and two secondary magnet steel 43 are symmetrically set in 42 liang of the main magnet steel Side.The main magnet steel 42 and the secondary interval of magnet steel 43 form magnetic gap, and the voice coil 22 is suspended in the magnetic gap.It is described Main pole core 44 and the consequent pole core 45 are made of permeability magnetic material, play the role of magnetic conduction.
Compared with the relevant technologies, in loudspeaker 100 provided by the invention, the elasticity arm 313 of flexible circuit board 31 is arranged to Z The three-dimensional shape of shape increases the length of the elasticity arm 313, improves its vibration performance, while increasing the bullet The spacing of the arm of force 313 and second vibrating diaphragm 32 increases the oscillation space of the elasticity arm 313, further enhances described The vibration performance of elasticity arm 313 improves the acoustical behavior of the loudspeaker 100.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention It encloses.

Claims (8)

1. a kind of loudspeaker, including the frame with accommodating space, the vibrational system and elasticity that are contained in the accommodating space The elastic supporting member for supporting optical member of the vibrational system is supported, the vibrational system includes the first vibrating diaphragm for vibration sounding and is set to described First vibrating diaphragm lower section and the voice coil for driving first diaphragm oscillations, the elastic supporting member for supporting optical member include being fixed on the frame and propping up The flexible circuit board of the voice coil is supportted, the flexible circuit board includes that the first fixed part connecting with the voice coil and frame connect The elasticity arm of the second fixed part for connecing and connection first fixed part and second fixed part, the elasticity arm include with The first part of first fixed part connection, second part connect with second fixed part and being bent connects described the The Part III of a part of and described second part, which is characterized in that the Part III first part, second part Closer to first vibrating diaphragm, the end of the end of the first part and the second part is respectively towards close to first vibration The direction bending of film extends and connected to the both ends of the Part III.
2. loudspeaker according to claim 1, which is characterized in that the first part include from first fixed part to Close to second fixed part direction extend again the first extension of horizontal buckling and from the end of first extension to The first bending part that bending extends close to first vibrating diaphragm direction;The second part includes from second fixed part to leaning on Nearly first fixed part direction extends the second extension of horizontal buckling again and from the end of second extension to leaning on The second bending part that nearly first vibrating diaphragm direction bending extends, the both ends of the Part III respectively with first bending part It is connected with second bending part.
3. loudspeaker according to claim 2, which is characterized in that first extension and the first bending part arc Transition connection, second extension are connect with the second bending part arc-shaped transition.
4. loudspeaker according to claim 2, which is characterized in that first bending part and the Part III arc mistake Connection is crossed, second bending part is connect with the Part III arc-shaped transition.
5. loudspeaker according to claim 1, which is characterized in that the quantity of the elasticity arm is two, two bullets The arm of force is symmetrical arranged, and first fixed part and second fixed part is cooperated to form closed hoop.
6. loudspeaker according to claim 1, which is characterized in that the elastic supporting member for supporting optical member further includes being set to the flexible electrical The second vibrating diaphragm below the plate of road, second vibrating diaphragm include the first connecting portion connecting with first fixed part, with described the The second connecting portion of two fixed parts connection and the ring portion for connecting the first connecting portion and the second connecting portion, the folding Ring portion is spaced apart from each other with the elasticity arm.
7. loudspeaker according to claim 1, which is characterized in that the loudspeaker further includes being contained in the accommodating space And the magnetic circuit system of the vibrational system vibration is driven, the magnetic circuit system includes the magnetic yoke being fixedly connected with the frame, group Main magnet steel, group assigned in the magnetic yoke center are assigned in the pair for forming magnetic gap in the magnetic yoke and around the main magnet steel setting Magnet steel, the main pole core being attached above the main magnet steel and the consequent pole core for being attached at the secondary magnet steel, the voice coil are suspended in In the magnetic gap.
8. loudspeaker according to claim 1, which is characterized in that first fixed part, second fixed part and institute State elasticity arm integrated molding.
CN201811650099.4A 2018-12-31 2018-12-31 Loudspeaker Active CN110035362B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811650099.4A CN110035362B (en) 2018-12-31 2018-12-31 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811650099.4A CN110035362B (en) 2018-12-31 2018-12-31 Loudspeaker

Publications (2)

Publication Number Publication Date
CN110035362A true CN110035362A (en) 2019-07-19
CN110035362B CN110035362B (en) 2021-01-22

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Country Status (1)

Country Link
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111757221A (en) * 2020-08-31 2020-10-09 歌尔股份有限公司 Loudspeaker
CN112449288A (en) * 2019-08-27 2021-03-05 华为技术有限公司 Flexible circuit board, speaker and electronic equipment
WO2021088934A1 (en) * 2019-11-08 2021-05-14 歌尔股份有限公司 Centring support chip and sounding device
WO2021088932A1 (en) * 2019-11-08 2021-05-14 歌尔股份有限公司 Damper and sound generating device
WO2021093003A1 (en) * 2019-11-12 2021-05-20 瑞声声学科技(深圳)有限公司 Loudspeaker enclosure
WO2021114122A1 (en) * 2019-12-11 2021-06-17 瑞声声学科技(深圳)有限公司 Sound production device

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN201937811U (en) * 2010-12-29 2011-08-17 瑞声光电科技(常州)有限公司 Miniature sound production device
CN203708475U (en) * 2013-12-31 2014-07-09 瑞声光电科技(常州)有限公司 Multifunctional electroacoustic device
US20140247960A1 (en) * 2011-12-20 2014-09-04 Aac Acoustic Technologies (Shenzhen) Co., Ltd. Electromagnetic transducer
CN207075089U (en) * 2017-07-06 2018-03-06 瑞声科技(新加坡)有限公司 Loudspeaker
CN207869350U (en) * 2018-01-24 2018-09-14 瑞声科技(新加坡)有限公司 Mini-sound device
CN208190906U (en) * 2018-02-02 2018-12-04 瑞声科技(新加坡)有限公司 The mini-sound device of flexible circuit board and the application flexible circuit board

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201937811U (en) * 2010-12-29 2011-08-17 瑞声光电科技(常州)有限公司 Miniature sound production device
US20140247960A1 (en) * 2011-12-20 2014-09-04 Aac Acoustic Technologies (Shenzhen) Co., Ltd. Electromagnetic transducer
CN203708475U (en) * 2013-12-31 2014-07-09 瑞声光电科技(常州)有限公司 Multifunctional electroacoustic device
CN207075089U (en) * 2017-07-06 2018-03-06 瑞声科技(新加坡)有限公司 Loudspeaker
CN207869350U (en) * 2018-01-24 2018-09-14 瑞声科技(新加坡)有限公司 Mini-sound device
CN208190906U (en) * 2018-02-02 2018-12-04 瑞声科技(新加坡)有限公司 The mini-sound device of flexible circuit board and the application flexible circuit board

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112449288A (en) * 2019-08-27 2021-03-05 华为技术有限公司 Flexible circuit board, speaker and electronic equipment
WO2021088934A1 (en) * 2019-11-08 2021-05-14 歌尔股份有限公司 Centring support chip and sounding device
WO2021088932A1 (en) * 2019-11-08 2021-05-14 歌尔股份有限公司 Damper and sound generating device
WO2021093003A1 (en) * 2019-11-12 2021-05-20 瑞声声学科技(深圳)有限公司 Loudspeaker enclosure
WO2021114122A1 (en) * 2019-12-11 2021-06-17 瑞声声学科技(深圳)有限公司 Sound production device
CN111757221B (en) * 2020-08-31 2021-01-22 歌尔股份有限公司 Loudspeaker
CN111757221A (en) * 2020-08-31 2020-10-09 歌尔股份有限公司 Loudspeaker

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