CN105992110A - Sound generating device and sound generating device module group - Google Patents

Sound generating device and sound generating device module group Download PDF

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Publication number
CN105992110A
CN105992110A CN201610293839.8A CN201610293839A CN105992110A CN 105992110 A CN105992110 A CN 105992110A CN 201610293839 A CN201610293839 A CN 201610293839A CN 105992110 A CN105992110 A CN 105992110A
Authority
CN
China
Prior art keywords
magnet
sound
producing
vibrating diaphragm
voice coil
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.)
Pending
Application number
CN201610293839.8A
Other languages
Chinese (zh)
Inventor
程汉龙
王莹
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.)
Goertek Inc
Original Assignee
Goertek Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Goertek Inc filed Critical Goertek Inc
Priority to CN201610293839.8A priority Critical patent/CN105992110A/en
Publication of CN105992110A publication Critical patent/CN105992110A/en
Pending 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
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

Abstract

The invention discloses a sound generating device and a sound generating device module group. An annular edge magnet surrounding a center magnet is arranged on a substrate. An annular edge washer surrounding a center washer is arranged on the edge magnet. A magnetic gap is formed between the edge magnet and the center magnet. The edge washer comprises an installing part which is used for fitting on the upper end surface of the edge magnet and also comprises a supporting part which upwardly extends from the installing part, wherein the installing part and the supporting part are integrated. According to the sound generating device, a vibrating diaphragm is supported by the integrally formed edge washer so that the number of assembling components can be reduced, the concentricity of installation can be greatly enhanced and the consistency of the product performance can be enhanced. The edge washer is adhered with the vibrating diaphragm so that the structural stability of the vibrating diaphragm can be greatly increased. Besides, the structure formed by the annular edge washer and the annular edge magnet is adopted so that utilization space can be provided to the greatest extent and the sensitivity of the product can be enhanced.

Description

A kind of sound-producing device and sound-producing device module
Technical field
The present invention relates to electroacoustic field, more precisely, relate to a kind of sound-producing device;The present invention also relates to And one sound-producing device module.
Background technology
Along with consumer electronics products such as the expansion in consumer electronics market, a large amount of mobile phones, notebook computers Product are used widely, and as acoustic element important in consumer electronics product, sound-producing device has Demand widely.The raising required consumer electronics product along with people, the performance of sound-producing device is also Increasingly paid close attention to by people.High sensitivity, the performance of low distortion become pursuing a goal of main flow. But existing sound-producing device, its dimensional space is limited, and magnetic circuit maximized cannot utilize existing space; There is risk in existing vibrating diaphragm fixed form, it is impossible to meets requirement;Complicated structure causes build-up tolerance Becoming big, product concentricity cannot ensure.
Summary of the invention
It is an object of the present invention to provide the new solution of a kind of sound-producing device.
According to the first aspect of the invention, it is provided that a kind of sound-producing device, including substrate, it is arranged on base Centring magnet on plate, and it is arranged on the center washer of centring magnet upper end;On the substrate also It is provided with the annular edge Magnet around described centring magnet, described limit Magnet is provided with around described The annular edge washer of center washer;Wherein, magnetic gap is formed between described limit Magnet and centring magnet; Described limit washer includes the installation portion for being fitted in Magnet upper surface, limit, also includes from installation portion upwards The supporting part extended, described installation portion and supporting part are one;Also include being arranged on supporting part Vibrating diaphragm and the voice coil loudspeaker voice coil being connected on vibrating diaphragm, described voice coil loudspeaker voice coil stretches in described magnetic gap.
Preferably, described vibrating diaphragm includes being positioned at the vibration section at middle part, being positioned at the connecting portion at edge, and Ring between vibration section and connecting portion;The described vibrating diaphragm portion of being connected through is arranged on supporting part; Described voice coil loudspeaker voice coil is connected on the vibration section of vibrating diaphragm.
Preferably, damping structure it is additionally provided with on the substrate.
Preferably, described damping structure includes the through hole being arranged on substrate, also includes covering described leading to The damping mat in hole or damping screen.
Preferably, described damping structure is the microcellular structure being arranged on substrate.
Preferably, the aperture of described microcellular structure is 30-50 micron.
Preferably, described damping structure is arranged on substrate the position being positioned at magnetic gap.
Preferably, also include centring disk, described centring disk is provided with FPCB plate, this FPCB Plate electrically connects with the lead-in wire of voice coil loudspeaker voice coil.
Preferably, described centring disk is arranged on the either above or below of vibrating diaphragm.
According to a further aspect in the invention, additionally provide a kind of sound-producing device module, including housing, also Including the above-mentioned sound-producing device being positioned at housing.
The sound-producing device of the present invention, vibrating diaphragm is supported by integrated limit washer so that permissible Reduce the package count of assembling, substantially increase the concentricity of installation, thus improve the one of properties of product Cause property.Limit washer is bonded together with vibrating diaphragm, the Stability Analysis of Structures of vibrating diaphragm diaphragm can be considerably increased Property.It addition, use annular edge washer, the structure of annular edge Magnet, profit can be provided to greatest extent With space, the sensitivity of improving product.
It was found by the inventors of the present invention that in the prior art, the dimensional space of sound-producing device is limited, magnetic Road maximized cannot utilize existing space;There is risk in existing vibrating diaphragm fixed form, it is impossible to meets Requirement;Complicated structure causes build-up tolerance to become big, and product concentricity cannot ensure.Therefore, this Bright technical assignment to be realized or the those skilled in the art of technical problem is that to be solved never think That arrive or it is not expected that, therefore the present invention is a kind of new technical scheme.
By detailed description to the exemplary embodiment of the present invention referring to the drawings, its of the present invention Its feature and advantage thereof will be made apparent from.
Accompanying drawing explanation
Combined in the description and the accompanying drawing of the part that constitutes description shows the reality of the present invention Execute example, and together with its explanation for explaining the principle of the present invention.
Fig. 1 is the structural representation of sound-producing device of the present invention.
Fig. 2 is the schematic diagram of another embodiment of sound-producing device of the present invention.
Fig. 3 is the explosive view of Fig. 2.
Fig. 4 is the profile of Fig. 2.
Detailed description of the invention
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should also be noted that Unless specifically stated otherwise, the parts that illustrate the most in these embodiments and step positioned opposite, Numerical expression and numerical value do not limit the scope of the invention.
Description only actually at least one exemplary embodiment is illustrative below, never makees For to the present invention and application thereof or any restriction of use.
May not beg in detail for technology, method and apparatus known to person of ordinary skill in the relevant Opinion, but in the appropriate case, described technology, method and apparatus should be considered a part for description.
Shown here with in all examples discussed, any occurrence should be construed as merely example Property rather than as limit.Therefore, other example of exemplary embodiment can have different Value.
It should also be noted that similar label and letter represent similar terms, therefore, one in following accompanying drawing A certain Xiang Yi the accompanying drawing of denier is defined, then need not it is carried out further in accompanying drawing subsequently Discuss.
In order to solve problems of the prior art, the invention provides a kind of sound-producing device, this Acoustic device can reduce the package count of assembling, makes whole technological process be greatly simplified;Can also subtract simultaneously Few build-up tolerance caused due to multicompartment, makes the concentricity between whole assembly more preferable, product system The concordance of journey is good, thus improves the concordance of properties of product.
With reference to Fig. 1, a kind of sound-producing device that the present invention provides, it includes substrate 1 and is arranged on base Centring magnet 2 on plate 1, centring magnet 2 can be by mode well-known to those skilled in the art It is arranged on the middle part of substrate 1.It is additionally provided with center washer 7 in the upper end of described centring magnet 2.This The sound-producing device of invention, is additionally provided with the annular edge around described centring magnet 2 on described substrate 1 Magnet 3, ringwise, it can be fixed on limit Magnet 3 by mode well-known to those skilled in the art On substrate 1, and within making centring magnet 2 be positioned at limit Magnet 3.At described centring magnet 2 and limit magnetic The magnetic gap of an annular is defined between ferrum 3.
Described limit Magnet 3 is provided with the shape of limit washer 9, the shape of limit washer 9 and limit Magnet 3 Shape mates, after limit washer 9 is arranged on limit Magnet 3 so that center washer 7 is positioned at described limit China The middle part of department 9.Described limit washer 9 includes the installation portion 90 for being fitted in limit Magnet 3 upper surface, Also include that, from the upwardly extending supporting part of installation portion 90 91, described installation portion 90 with supporting part 91 is One so that limit washer 9 is overall L-shaped.
The sound-producing device of the present invention, also includes the vibrating diaphragm being arranged on supporting part 91, and is connected to Voice coil loudspeaker voice coil 8 on vibrating diaphragm, described voice coil loudspeaker voice coil 8 stretches in described magnetic gap.The vibrating diaphragm of the present invention can lead to The mode crossing bonding is fixed on supporting part 91 so that vibrating diaphragm is supported on center China by supporting part 91 The top of department 7.One end of voice coil loudspeaker voice coil 8 is fixed on vibrating diaphragm, the other end stretch to by centring magnet 2, In the magnetic gap that limit Magnet 3 is constituted.Center washer 7, limit washer 9 primarily serve the effect of magnetic conduction, This belongs to the common knowledge of those skilled in the art, no longer illustrates at this.
The sound-producing device of the present invention, vibrating diaphragm is supported by integrated limit washer so that permissible Reduce the package count of assembling, substantially increase the concentricity of installation, thus improve the one of properties of product Cause property.Limit washer is bonded together with vibrating diaphragm, the Stability Analysis of Structures of vibrating diaphragm diaphragm can be considerably increased Property.It addition, use annular edge washer, the structure of annular edge Magnet, profit can be provided to greatest extent With space, thus the sensitivity of improving product.
In one preferred embodiment of the invention, described vibrating diaphragm include being positioned at middle part vibration section 4, It is positioned at the connecting portion 6 at edge, and the ring 5 between vibration section 4 and connecting portion 6;Described shake Film is connected through portion 6 and is bonded on supporting part 91;Described voice coil loudspeaker voice coil 8 is connected to the vibration section 4 of vibrating diaphragm On.
In one preferred embodiment of the invention, described substrate 1 is additionally provided with acoustic seal Damping structure 10.This damping structure 10 can be arranged on the position being positioned at magnetic gap on substrate 1, Its air pressure that not only can be used to equalize the operatic tunes, it is also possible to realize the effect of heat radiation.
In one specific embodiment of the present invention, described damping structure 10 includes being arranged on substrate 1 On through hole, also include damping mat or the damping screen covering described through hole.This damping mat or damping screen can To be arranged on the inwall of substrate 1, it is also possible to be arranged on the outer wall of substrate 1.By this damping mat Or damping screen can make through hole have the effect of damping.Certainly, for a person skilled in the art, The spacing size of mesh in damping adjusting pad or damping screen, can reach to regulate the purpose of its damping. In the present invention, the damping mat of setting or damping screen are also prevented from the entrance of foreign body.
In another specific embodiment of the present invention, described damping structure 10 is for being arranged on substrate 1 On microcellular structure, the aperture of microcellular structure can be 30-50 micron, and it has certain acoustic resistance and makees With, this belongs to the common knowledge of those skilled in the art, no longer illustrates at this.
In one preferred embodiment of the invention, referring to figs. 2 to Fig. 4, also include centring disk 11, described centring disk 11 is provided with FPCB plate, certainly, whole centring disk 11 can also Being made up of FPCB plate, this FPCB plate is electrically connected with the lead-in wire of voice coil loudspeaker voice coil 8, thus passes through FPCB Voice coil loudspeaker voice coil 8 is linked together by plate with external circuit.Concrete, this centring disk 11 can be arranged on and shake The lower section of film, such as it can be bonded on the supporting part 91 of limit washer 9 by edge, now, can be straight Connect and the lead-in wire of voice coil loudspeaker voice coil 8 is connected on FPCB plate.Certainly, centring disk 11 can also be arranged on and shake The top of film, such as, can be bonded on the connecting portion 6 of vibrating diaphragm by its edge, at this time, it may be necessary to shaking Offer hollow out on film, for voice coil loudspeaker voice coil 8 lead-in wire through and be connected on FPCB plate.
The sound-producing device of the present invention, may apply in sound-producing device module, such as speaker module or Person's receiver's module.Present invention also offers a kind of sound-producing device module for this, it includes housing, also Including the sound-producing device being positioned at housing.
Although some specific embodiments of the present invention being described in detail by example, but It should be appreciated by those skilled in the art, example above is merely to illustrate rather than in order to limit The scope of the present invention processed.It should be appreciated by those skilled in the art, can be without departing from the scope of the present invention In the case of spirit, above example is modified.The scope of the present invention is by claims Limit.

Claims (10)

1. a sound-producing device, it is characterised in that: include substrate (1), be arranged on substrate (1) On centring magnet (2), and be arranged on the center washer (7) of centring magnet (2) upper end;? The annular edge Magnet (3) around described centring magnet (2) it is additionally provided with on described substrate (1), The annular edge washer (9) around described center washer (7) it is provided with on described limit Magnet (3);Its In, form magnetic gap between described limit Magnet (3) and centring magnet (2);Described limit washer (9) Including the installation portion (90) for being fitted in limit Magnet (3) upper surface, also include from installation portion (90) Upwardly extending supporting part (91), described installation portion (90) and supporting part (91) are one; Also include the vibrating diaphragm being arranged on supporting part (91) and the voice coil loudspeaker voice coil (8) being connected on vibrating diaphragm, described Voice coil loudspeaker voice coil (8) stretches in described magnetic gap.
Sound-producing device the most according to claim 1, it is characterised in that: described vibrating diaphragm includes position In middle part vibration section (4), be positioned at the connecting portion (6) at edge, and be positioned at vibration section (4) with Ring (5) between connecting portion (6);Described vibrating diaphragm is connected through portion (6) and is arranged on supporting part (91) on;Described voice coil loudspeaker voice coil (8) is connected on the vibration section (4) of vibrating diaphragm.
Sound-producing device the most according to claim 1, it is characterised in that: in described substrate (1) On be additionally provided with damping structure (10).
Sound-producing device the most according to claim 3, it is characterised in that: described damping structure (10) Including the through hole being arranged on substrate (1), also include damping mat or the damping screen covering described through hole.
Sound-producing device the most according to claim 3, it is characterised in that: described damping structure (10) For being arranged on the microcellular structure on substrate (1).
Sound-producing device the most according to claim 5, it is characterised in that: described microcellular structure Aperture is 30-50 micron.
Sound-producing device the most according to claim 3, it is characterised in that: described damping structure (10) It is arranged on the position being positioned at magnetic gap on substrate (1).
Sound-producing device the most according to claim 1, it is characterised in that: also include centring disk (11), described centring disk (11) is provided with FPCB plate, this FPCB plate and voice coil loudspeaker voice coil (8) Lead-in wire electrical connection.
Sound-producing device the most according to claim 8, it is characterised in that: described centring disk (11) It is arranged on the either above or below of vibrating diaphragm.
10. a sound-producing device module, it is characterised in that: include housing, also include being positioned at housing The sound-producing device as described in any one of claim 1-9.
CN201610293839.8A 2016-05-05 2016-05-05 Sound generating device and sound generating device module group Pending CN105992110A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610293839.8A CN105992110A (en) 2016-05-05 2016-05-05 Sound generating device and sound generating device module group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610293839.8A CN105992110A (en) 2016-05-05 2016-05-05 Sound generating device and sound generating device module group

Publications (1)

Publication Number Publication Date
CN105992110A true CN105992110A (en) 2016-10-05

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Country Status (1)

Country Link
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107682793A (en) * 2017-11-08 2018-02-09 歌尔股份有限公司 A kind of sound-producing device
CN107846648A (en) * 2017-11-15 2018-03-27 歌尔智能科技有限公司 A kind of sound-producing device
CN110418260A (en) * 2018-04-27 2019-11-05 歌尔股份有限公司 A kind of sounding monomer, sounding module and electric terminal
CN111010654A (en) * 2019-06-20 2020-04-14 紘立企業有限公司 High-strength micro loudspeaker
CN111698621A (en) * 2019-03-14 2020-09-22 歌尔股份有限公司 Sound production device and electronic product

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060254852A1 (en) * 2005-05-11 2006-11-16 Yen-Shan Chen Integral audio module
CN101227765A (en) * 2008-01-29 2008-07-23 歌尔声学股份有限公司 Ultra-thin moving-coil type electro-acoustic conversing device
CN101652980A (en) * 2006-08-08 2010-02-17 Nxp股份有限公司 Combination device of speaker and camera optical system
CN201629836U (en) * 2009-11-28 2010-11-10 歌尔声学股份有限公司 Mini moving-coil electroacoustic converter
CN202461396U (en) * 2012-02-28 2012-10-03 宁波向阳坦科斯特电子有限公司 Cold forging mold for washers
CN102761810A (en) * 2011-04-26 2012-10-31 歌尔声学股份有限公司 Loudspeaker
CN103581807A (en) * 2013-10-30 2014-02-12 深圳市豪恩声学股份有限公司 Moving coil type loudspeaker

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060254852A1 (en) * 2005-05-11 2006-11-16 Yen-Shan Chen Integral audio module
CN101652980A (en) * 2006-08-08 2010-02-17 Nxp股份有限公司 Combination device of speaker and camera optical system
CN101227765A (en) * 2008-01-29 2008-07-23 歌尔声学股份有限公司 Ultra-thin moving-coil type electro-acoustic conversing device
CN201629836U (en) * 2009-11-28 2010-11-10 歌尔声学股份有限公司 Mini moving-coil electroacoustic converter
CN102761810A (en) * 2011-04-26 2012-10-31 歌尔声学股份有限公司 Loudspeaker
CN202461396U (en) * 2012-02-28 2012-10-03 宁波向阳坦科斯特电子有限公司 Cold forging mold for washers
CN103581807A (en) * 2013-10-30 2014-02-12 深圳市豪恩声学股份有限公司 Moving coil type loudspeaker

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107682793A (en) * 2017-11-08 2018-02-09 歌尔股份有限公司 A kind of sound-producing device
CN107846648A (en) * 2017-11-15 2018-03-27 歌尔智能科技有限公司 A kind of sound-producing device
WO2019095510A1 (en) * 2017-11-15 2019-05-23 歌尔丹拿音响有限公司 Sound-emitting device
CN107846648B (en) * 2017-11-15 2020-05-29 歌尔智能科技有限公司 Sound production device
CN110418260A (en) * 2018-04-27 2019-11-05 歌尔股份有限公司 A kind of sounding monomer, sounding module and electric terminal
CN111698621A (en) * 2019-03-14 2020-09-22 歌尔股份有限公司 Sound production device and electronic product
CN111010654A (en) * 2019-06-20 2020-04-14 紘立企業有限公司 High-strength micro loudspeaker

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Application publication date: 20161005

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