CN106331961A - Micro acoustic generator - Google Patents
Micro acoustic generator Download PDFInfo
- Publication number
- CN106331961A CN106331961A CN201610873908.2A CN201610873908A CN106331961A CN 106331961 A CN106331961 A CN 106331961A CN 201610873908 A CN201610873908 A CN 201610873908A CN 106331961 A CN106331961 A CN 106331961A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- acoustic generator
- leakage preventing
- minitype acoustic
- yoke
- 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
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- 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
Abstract
The invention discloses a micro acoustic generator, and relates to the technical field of electroacoustic products. The micro acoustic generator comprises a shell, a vibration system and a magnetic circuit system are contained in the shell, the magnetic circuit system comprises a magnetic yoke, a side magnet and a side magnetic conductive plate are sequentially fixed to the edge of the magnetic yoke, a magnetic leakage preventing part is arranged on the portion, close to the side magnet, of the outer side of the magnetic circuit system and made of a magnetic conductive material, the upper end face of the magnetic leakage preventing part is not higher than the upper end face of the side magnetic conductive plate in the upward direction, and the lower end face of the magnetic leakage preventing part is not lower than the lower end face of the magnetic yoke in the downward direction. According to the micro acoustic generator, the technical problem that in the prior art, magnetic leakage of the side face of a micro acoustic generator is serious is solved, and due to the fact that the magnetic leakage amount of the side face of the micro acoustic generator is low, interference cannot be generated to other parts of portable electronic equipment; meanwhile, the micro acoustic generator is good in waterproofness, high in reliability and long in service life.
Description
Technical field
The present invention relates to electro-acoustic product technical field, particularly to a kind of minitype acoustic generator.
Background technology
Minitype acoustic generator is the important acoustic element of portable electric appts, has been used between the signal of telecommunication and acoustical signal
Conversion, be a kind of energy conversion device.Existing minitype acoustic generator includes vibrational system and magnetic circuit system, and magnetic circuit system includes
Yoke, the center of yoke is fixed with successively and forms the internal magnet of center magnetic path and interior magnetic conductive board, and the marginal position of yoke depends on
The secondary limit Magnet being fixed with formation external magnetic circuit and limit magnetic conductive board, be provided with magnetic gap, vibrational system between center magnetic path and external magnetic circuit
Voice coil loudspeaker voice coil be positioned at magnetic gap.Owing to the outside of the limit Magnet of the minitype acoustic generator of this kind of structure is exactly directly minitype acoustic generator
Shell, thus results in sidepiece leakage field serious, as shown in Figure 6, and then other parts of portable electric appts is produced interference, shadow
Having rung the normal work of these parts, as the camera in mobile phone will be unable to realize focusing etc., serious reduces portable electronic
The overall performance of equipment.
Summary of the invention
For disadvantages described above, the technical problem to be solved is to provide a kind of minitype acoustic generator, this miniature sounding
The side leakage field of device is few, other parts of portable electric appts will not be produced interference, it is possible to promote portable electric appts
Overall performance.
For solving above-mentioned technical problem, the technical scheme is that
A kind of minitype acoustic generator, including shell, contains vibrational system and magnetic circuit system, described magnetic circuit system in described shell
System includes that yoke, the marginal position of described yoke are fixed with limit Magnet and limit magnetic conductive board successively, in the outside of described magnetic circuit system
Being provided with magnetic-leakage preventing parts near the position of limit Magnet, the material of described magnetic-leakage preventing parts is permeability magnetic material, described magnetic-leakage preventing parts
Upper surface upwards less than the upper surface of described limit magnetic conductive board, the lower surface of described magnetic-leakage preventing parts is downwards less than described magnetic
The lower surface of yoke.
Wherein, described magnetic-leakage preventing parts are fitted on the Magnet of described limit, or described magnetic-leakage preventing parts are molded outside described
In shell, and it is exposed to described shell near the side of described limit Magnet and reclines with described limit Magnet.
Wherein, the height of described magnetic-leakage preventing parts is equal with the height of described limit Magnet, both consistencies from top to bottom.
Wherein, the height of described magnetic-leakage preventing parts is less than the height of described limit Magnet, and described magnetic-leakage preventing parts are positioned at institute
State between the upper and lower end face of limit Magnet.
As a kind of embodiment, the outer ledge of described limit Magnet and described limit magnetic conductive board and the outer side edges of described yoke
Edge flushes.
As another embodiment, the outer ledge of described limit Magnet protrudes from described limit magnetic conductive board and described yoke
Outer ledge.
Wherein, described magnetic circuit system is external magnetic circuit structure, also includes the internal magnet being arranged on the center of described yoke
With interior magnetic conductive board；Or, described magnetic circuit system is external magnetic circuit structure, also includes that split arranges or is integrally disposed upon in described yoke
The conducting magnetic column of heart position.
Wherein, described minitype acoustic generator also includes the protecgulum being combined in described shell upper end, and described protecgulum has sidewall, institute
The inner side depression stating side wall lower ends face forms mounting groove, in the edge part of described vibrational system is placed in described mounting groove and on it
Surface is fixed on the bottom surface of described mounting groove, the outside in described side wall lower ends face and the lower surface of described vibrational system edge part
Jointly fix on the housing.
Wherein, the outside in described side wall lower ends face and the lower surface of described vibrational system edge part are generally within same flat
Face, between upper surface and the bottom surface of described mounting groove of described vibrational system edge part, the outside in described side wall lower ends face and institute
State and be all adhesively fixed by glue-line between the lower surface of vibrational system edge part and described shell.
Wherein, described vibrational system includes that vibrating diaphragm, the downside at described vibrating diaphragm edge are fixed with gasket ring, described vibrational system
Edge part includes the edge of described vibrating diaphragm and described gasket ring.
After have employed technique scheme, the invention has the beneficial effects as follows:
Owing to being provided with the magnetic-leakage preventing parts being made up of permeability magnetic material, magnetic-leakage preventing outside the limit Magnet of minitype acoustic generator of the present invention
Parts change the magnetic line of force distribution of limit Magnet sidepiece, and the magnetic line of force of opposite side Magnet sidepiece is corrected, such as Fig. 6 and Fig. 7 institute
Show, greatly reducing the leakage field of magnetic circuit system side, from dry without other parts in portable electric appts are produced
Disturb, it is ensured that the normal work of these parts, improve the overall performance of portable electric appts.
Owing to protecgulum has sidewall, the inner side depression in side wall lower ends face forms mounting groove, and the edge part of vibrational system houses
In mounting groove and its upper surface is fixed on the bottom surface of mounting groove, under the outside in side wall lower ends face and vibrational system edge part
Surface is fixed on shell jointly.The water extraneous when portable electric appts enters in vibrational system at acoustic aperture from going out of protecgulum
During the space of side, in the minitype acoustic generator of conventional structure, bonding between upper surface and the protecgulum of the edge part of vibrational system
During imprecision, the inside that water will enter into portable electric appts at the gap between the edge of vibrational system and protecgulum is empty
Between, it is possible to the short circuit in electronic equipment can be caused, and in the present invention, the outside of protecgulum sidewall serves barrier effect, with
Time the outside in side wall lower ends face and the lower surface of vibrational system edge part be jointly fixed on shell, increase bonding with shell
Area, adds bonding fastness and tightness, defines two road barriers, even if the upper surface of the edge part of vibrational system with
Bonding imprecision between the bottom surface of mounting groove, can be effectively prevented water by the sealing between side-wall outer side and shell and enter
In electronic equipment inner chamber, i.e. can be good at realizing waterproof performance from without the width increasing vibrating diaphragm edge,
Ensure that the vibration area of minitype acoustic generator, and then minitype acoustic generator of the present invention also has while having preferable water resistance
There is higher acoustical behavior.
Owing to the downside at vibrating diaphragm edge is fixed with gasket ring, edge and the gasket ring of vibrating diaphragm are also secured in mounting groove.Gasket ring
The edge of vibrating diaphragm is served supporting role so that the edge of vibrating diaphragm is the most smooth, even if offering on the upper surface of shell
The edge of the fair line groove vibrating diaphragm of voice coil leads also will not deform, thus ensure that between the edge of vibrating diaphragm and mounting groove bottom surface
, will not there is bonding imprecision because of the out-of-flatness of vibrating diaphragm edge, the bad of gap occur, further improve in bonding tightness
The water resistance of minitype acoustic generator.
In sum, minitype acoustic generator of the present invention solves the technology that in prior art, minitype acoustic generator side leakage field is serious
Problem, minitype acoustic generator side of the present invention magnetic flux leakage is little, other parts of portable electric appts will not be produced interference, simultaneously
Water resistance is good, and reliability is high, and service life is long.
Accompanying drawing explanation
Fig. 1 is the structural representation of minitype acoustic generator embodiment one of the present invention；
Fig. 2 is the plan structure schematic diagram after minitype acoustic generator embodiment one of the present invention removes protecgulum and vibrating diaphragm；
Fig. 3 is the side-looking structural representation after minitype acoustic generator embodiment one of the present invention removes protecgulum；
Fig. 4 is the sectional structure schematic diagram of minitype acoustic generator embodiment one of the present invention；
Fig. 5 is the sectional structure schematic diagram of minitype acoustic generator embodiment two of the present invention；
Fig. 6 is the magnetic line of force distributed simulation figure of minitype acoustic generator of the prior art；
Fig. 7 is the magnetic line of force distributed simulation figure of minitype acoustic generator of the present invention；
In figure: 10, shell, the 12, second hierarchic structure, 14, fair line groove, 20, protecgulum, 22, steel disc, 220, go out acoustic aperture, 24,
Sidewall, 30, vibrating diaphragm, 32, oscillating plate, 34, voice coil loudspeaker voice coil, 340, voice coil leads, 36, gasket ring, 40, yoke, 42, internal magnet, 44, in lead
Magnetic sheet, 46a, limit Magnet, 46b, limit Magnet, 48, limit magnetic conductive board, the 480, first hierarchic structure, 50, magnetic-leakage preventing parts.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the present invention is expanded on further.
The inner side related in this specification refers to the side near minitype acoustic generator center, and outside refers to away from minitype acoustic generator
The side at center；Refer to be provided with the orientation of vibrational system in the orientation related to, under orientation, refer to be provided with the orientation of magnetic circuit system.
Embodiment one:
As Fig. 1 and Fig. 4 jointly shown in, a kind of minitype acoustic generator, including shell 10 and the protecgulum that is combined in shell 10 upper end
20, contain vibrational system and magnetic circuit system in the space that shell 10 and protecgulum 20 surround.Magnetic circuit system is fixed on shell 10
Inner side, the edge part of vibrational system is fixed between the upper surface of shell 10 and the lower surface of protecgulum 20.
As shown in Figure 4, magnetic circuit system includes that yoke 40, yoke 40 are platy structure.The center of yoke 40 is solid successively
Surely having internal magnet 42 and interior magnetic conductive board 44, the marginal position of yoke 40 is fixed with limit Magnet 46a and limit magnetic conductive board 48.Internal magnet 42
With the internal magnetic circuit that interior magnetic conductive board 44 constitutes magnetic circuit system, limit Magnet 46a and limit magnetic conductive board 48 constitute the external magnetic circuit of magnetic circuit system, interior
Magnetic gap it is provided with between magnetic circuit and external magnetic circuit.The outer ledge of limit Magnet 46a and limit magnetic conductive board 48 and the outer ledge of yoke 40
Flushing, " the flushing " described in the present embodiment includes the complete situation at straight line under theoretical case, additionally includes
Owing to all parts exists tolerance or the situation with less dislocation caused not etc. due to assembly precision.
In order to prevent the sidepiece leakage field of magnetic circuit, the present invention is arranged near the position of limit Magnet 46a in the outside of magnetic circuit system
Magnetic-leakage preventing parts 50, magnetic-leakage preventing parts 50 are made up of permeability magnetic material, and the upper surface of these magnetic-leakage preventing parts 50 is upwards less than limit
The upper surface of magnetic conductive board 48, the lower surface of magnetic-leakage preventing parts 50 is downwards less than the lower surface of yoke 40.In present embodiment excellent
The material selecting magnetic-leakage preventing parts 50 is the one in ferrum, mild steel or iron-based alloy, it is possible to change the magnetic force of magnetic circuit system sidepiece
Line is distributed, and reduces side leakage field, sees Fig. 6 and Fig. 7.
As a kind of specific embodiment, magnetic-leakage preventing parts 50 can first pass through the technique laminating such as gluing and be fixed on limit Magnet
On the sidewall of 46a, then complete the assembling with miscellaneous part.It addition, in order to reduce assembling difficulty, preferably implement as one
Mode, described magnetic-leakage preventing parts 50 are first molded in shell, and be exposed near the side of limit Magnet 46a shell and with limit Magnet
46a reclines." reclining " described by the present embodiment includes the situation that magnetic-leakage preventing parts 50 contact face-to-face with limit Magnet 46a, separately
Outer also include due to reserved fit-up gap or the situation of existence small gap that causes not etc. due to assembly precision.
Although Magnet 46a arranging in the short transverse in the outside of magnetic circuit system in limit can have multiple situation, the most anti-
The upper surface of leakage field parts 50 and limit magnetic conductive board 48 upper surface are substantially flush, lower surface is substantially flush with yoke 40 upper surface；Or
The upper surface of person's magnetic-leakage preventing parts 50 and the lower surface of limit magnetic conductive board 48 are substantially flush, lower surface is basic with the lower surface of yoke 40
Flush；Or the height of magnetic-leakage preventing parts 50 is equal with the height of limit Magnet 46a, and both flush up and down；Again or magnetic-leakage preventing portion
The height of part 50 is slightly less than limit Magnet 46a, and magnetic-leakage preventing parts 50 are positioned at the situation of the upper and lower end face of limit Magnet 46a.
But found by emulation experiment, although above-mentioned various situations have the effect reducing magnetic leakage, however, it was found that anti-
In the case of leakage field parts 50 lower surface exceedes the continuation downwards of yoke 40 upper surface, although magnetic-leakage preventing effect is promoting, acoustics
Can but reduce.And magnetic-leakage preventing parts 50 upper surface exceedes in the case of magnetic conductive board lower surface, limit continues up, acoustical behavior exists
Improve, but magnetic-leakage preventing effect is but reducing.Therefore to ensure magnetic-leakage preventing effect and acoustical behavior, a preferred tool simultaneously
Body scheme is that the height of magnetic-leakage preventing parts 50 is equal with the height of limit Magnet 46a, and both flush up and down, " the flushing " described at this
Include the complete situation at straight line under theoretical case equally, additionally include due to all parts exist tolerance or
The situation with less dislocation caused not etc. due to assembly precision, " equal " also includes under theoretical case essentially equal, with
And owing to there is the approximately equalised situation that tolerance, mismachining tolerance etc. cause.
As shown in Figure 4, protecgulum 20 has sidewall 24, and cave in into mounting groove in the inner side of the lower surface of sidewall 24, vibrational system
Edge part be contained in mounting groove, and the upper surface of edge part is fixed on the bottom surface of mounting groove, outside sidewall 24 lower surface
The lower surface of side and vibrational system edge part is fixed on shell 10 jointly, wherein, and the upper surface of vibrational system edge part and peace
Between the bottom surface of tankage, between the outside of sidewall 24 lower surface and the lower surface of vibrational system edge part and shell 10, all pass through glue
Layer is adhesively fixed.This kind of structure of protecgulum 20 lower surface can effectively improve the water resistance of minitype acoustic generator.
As shown in Figure 4, vibrational system includes vibrating diaphragm 30, vibrating diaphragm 30 be fixedly arranged in the middle of oscillating plate 32, in present embodiment
Oscillating plate 32 is fixed on the downside in the middle part of vibrating diaphragm 30, and the edge of oscillating plate 32 is fixed with voice coil loudspeaker voice coil 34, the position, end of voice coil loudspeaker voice coil 34
In magnetic gap.Voice coil loudspeaker voice coil 34 does reciprocal cutting magnetic line fortune according to by the sound wave signal of telecommunication in its coiling in magnetic gap
Dynamic, thus drive vibrating diaphragm 30 and oscillating plate 32 up-down vibration, instigate air sounding, it is achieved the energy conversion between electroacoustic.Protecgulum
The middle part injection of 20 is combined with steel disc 22, and steel disc 22 is provided with out acoustic aperture 220, vibrating diaphragm 30 and oscillating plate 32 and instigates air and send
Sound by going out acoustic aperture 220 to external radiation.
As Fig. 2, Fig. 3 and Fig. 4 jointly shown in, in present embodiment, voice coil leads 340 is from the upper end fair line of shell 10, in order to
Avoiding scalding the rubber fabric on shell 10 when voice coil leads 340 spot welding, therefore on the upper surface of shell 10, corresponding voice coil loudspeaker voice coil draws
The position of line 340 is provided with fair line groove 14, in order to anti-vibrating diaphragm 30 deforms downwards at fair line groove 14, in the edge of vibrating diaphragm 30
Lower section is fixed with a gasket ring 36, and gasket ring 36 is becket, and in present embodiment, preferred gasket ring 36 is copper ring.The edge of vibrational system
Portion includes edge and the gasket ring 36 of vibrating diaphragm 30, and edge and the gasket ring 36 of vibrating diaphragm 30 are contained in mounting groove jointly, wherein vibrating diaphragm 30
The upper surface at edge be bonded on the bottom surface of mounting groove, the outside of the lower surface of gasket ring 36 and sidewall 24 lower surface generally within
The outside of the lower surface of same plane, the i.e. lower surface of vibrational system edge part and sidewall 24 is generally within same plane, gasket ring
The outside of the lower surface of 36 and sidewall 24 lower surface is bonded on the upper surface of shell 10 jointly, and the outer surface of gasket ring 36 with
The side surface of mounting groove fits, it is possible to further improve the water resistance of minitype acoustic generator.
As it is shown in figure 1, the apparent height being fixed with the position of limit Magnet 46a in yoke 40 is high less than the surface at other position
The middle part of degree, i.e. yoke 40 forms a boss structure, and this boss structure opposite side Magnet 46a plays position-limiting action, it is possible to prevent
Limit Magnet 46a inward deflection under the action of a magnetic force.
As it is shown in figure 1, the upper surface of limit magnetic conductive board 48 is provided with the first hierarchic structure 480, it is positioned at the apparent height in outside
Less than the apparent height being positioned at inner side.The upper end of shell 10 extend internally along the upper surface of limit magnetic conductive board 48 and with limit magnetic conductive board
The upper surface of 48 fits, thus defines second hierarchic structure 12 suitable with the first hierarchic structure 480, it is possible to effective
Strengthen the bond strength between limit magnetic conductive board 48 and shell 10, prevent magnetic circuit system from coming off from shell 10.
Embodiment two:
As in figure 2 it is shown, present embodiment is essentially identical with embodiment one, its difference is:
The outer ledge of limit Magnet 46b protrudes from limit magnetic conductive board 48 and the outer ledge of yoke 40, i.e. to the side of shell 10
In protrusion, present embodiment, the volume of limit Magnet 46b is bigger, and (electromechanical coupling factor, by magnetic can to promote the BL of minitype acoustic generator
The magnetic flux density in gap and the effective length of voice coil loudspeaker voice coil coiling determine), thus decreasing other parts of portable electric appts
Interference while improve the acoustical behavior of minitype acoustic generator.
This specification is only to be illustrated technical scheme as a example by the minitype acoustic generator of said structure,
In actual application, technical scheme is not limited in the minitype acoustic generator of said structure, and it can be applicable to any one
Being provided with in the minitype acoustic generator of limit Magnet, such as, magnetic circuit system can also be external magnetic circuit structure, does not has in the center of yoke
Centring magnet is set, but split arranges or has been wholely set conducting magnetic column conducting magnetic column and forms magnetic gap with limit magnetic conductive board.This area
Technical staff according to the elaboration of above-described embodiment, it is not necessary to paying any performing creative labour just can be by the technology of the present invention
Scheme is applied in the minitype acoustic generator of other structure, thus no matter other structure of minitype acoustic generator whether with above-described embodiment
Identical, as long as add the magnetic-leakage preventing parts being made up of permeability magnetic material in the outside of limit Magnet, in order to reduce side leakage field
Product each falls within protection scope of the present invention.
The first hierarchic structure related in this specification and the name of the second hierarchic structure are merely to difference technology is special
Levy, do not represent position relationship therebetween, assemble sequence etc..
The present invention is not limited to above-mentioned specific embodiment, those of ordinary skill in the art from above-mentioned design,
Without performing creative labour, all conversion made, within all falling within protection scope of the present invention.
Claims (11)
1. minitype acoustic generator, including shell, contains vibrational system and magnetic circuit system in described shell, described magnetic circuit system includes
Yoke, the marginal position of described yoke is fixed with limit Magnet and limit magnetic conductive board successively, it is characterised in that at described magnetic circuit system
Outside is provided with magnetic-leakage preventing parts near the position of limit Magnet, and the material of described magnetic-leakage preventing parts is permeability magnetic material, described magnetic-leakage preventing
The upper surface of parts is upwards less than the upper surface of described limit magnetic conductive board, and the lower surface of described magnetic-leakage preventing parts is downwards less than institute
State the lower surface of yoke.
Minitype acoustic generator the most according to claim 1, it is characterised in that described magnetic-leakage preventing parts are fitted in described limit Magnet
On.
Minitype acoustic generator the most according to claim 1, it is characterised in that described magnetic-leakage preventing parts are molded in described shell
In, and be exposed to described shell near the side of described limit Magnet and recline with described limit Magnet.
4. according to the arbitrary described minitype acoustic generator of claims 1 to 3, it is characterised in that the height of described magnetic-leakage preventing parts with
The height of described limit Magnet is equal, both consistencies from top to bottom.
5. according to the arbitrary described minitype acoustic generator of claims 1 to 3, it is characterised in that the height of described magnetic-leakage preventing parts is little
In the height of described limit Magnet, and described magnetic-leakage preventing parts are between the upper and lower end face of described limit Magnet.
Minitype acoustic generator the most according to claim 4, it is characterised in that the outer ledge of described limit Magnet is led with described limit
The outer ledge of magnetic sheet and described yoke flushes.
Minitype acoustic generator the most according to claim 4, it is characterised in that the outer ledge of described limit Magnet protrudes from described
Limit magnetic conductive board and the outer ledge of described yoke.
8. according to the arbitrary described minitype acoustic generator of claims 1 to 3, it is characterised in that described magnetic circuit system is external magnetic circuit knot
Structure, the internal magnet also including being arranged on the center of described yoke and interior magnetic conductive board；
Or, described magnetic circuit system is external magnetic circuit structure, also includes that split arranges or is integrally disposed upon described yoke center
Conducting magnetic column.
9. according to the arbitrary described minitype acoustic generator of claims 1 to 3, it is characterised in that described minitype acoustic generator also includes knot
Being combined in the protecgulum of described shell upper end, described protecgulum has sidewall, and the inner side depression in described side wall lower ends face forms mounting groove, institute
State in the edge part of vibrational system is placed in described mounting groove and its upper surface is fixed on the bottom surface of described mounting groove, described side
The outside of wall lower surface and the lower surface of described vibrational system edge part are fixed on the housing jointly.
Minitype acoustic generator the most according to claim 9, it is characterised in that the outside in described side wall lower ends face shakes with described
The lower surface in dynamic system edges portion is generally within same plane, the upper surface of described vibrational system edge part and described mounting groove
Between bottom surface, all pass through between the outside in described side wall lower ends face and the lower surface of described vibrational system edge part and described shell
Glue-line is adhesively fixed.
11. minitype acoustic generators according to claim 10, it is characterised in that described vibrational system includes vibrating diaphragm, described in shake
The downside of film edge is fixed with gasket ring, and the edge part of described vibrational system includes the edge of described vibrating diaphragm and described gasket ring.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873908.2A CN106331961A (en) | 2016-09-30 | 2016-09-30 | Micro acoustic generator |
| PCT/CN2017/070155 WO2018058852A1 (en) | 2016-09-30 | 2017-01-04 | Microacoustic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873908.2A CN106331961A (en) | 2016-09-30 | 2016-09-30 | Micro acoustic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106331961A true CN106331961A (en) | 2017-01-11 |
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ID=57820832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610873908.2A Pending CN106331961A (en) | 2016-09-30 | 2016-09-30 | Micro acoustic generator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106331961A (en) |
| WO (1) | WO2018058852A1 (en) |
Cited By (5)
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| CN107396267A (en) * | 2017-08-30 | 2017-11-24 | 歌尔股份有限公司 | Minitype acoustic generator |
| CN109587604A (en) * | 2018-11-08 | 2019-04-05 | 瑞声科技(新加坡)有限公司 | Loudspeaker and its assemble method |
| CN110248295A (en) * | 2019-06-27 | 2019-09-17 | 歌尔股份有限公司 | Sounding device and electronic equipment |
| CN110933570A (en) * | 2019-12-13 | 2020-03-27 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN111726734A (en) * | 2020-06-18 | 2020-09-29 | 江西台德智慧科技有限公司 | Heat dissipation type speaker magnetic circuit, speaker and intelligent audio amplifier |
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| CN112804624A (en) * | 2019-11-14 | 2021-05-14 | 陈恺琳 | Loudspeaker |
| CN112584287B (en) * | 2020-12-03 | 2022-08-02 | 惠州市杰琳光电有限公司 | Loudspeaker assembly and assembling method thereof |
| CN112770236A (en) * | 2021-02-02 | 2021-05-07 | 歌尔股份有限公司 | Sound monomer |
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| CN109587604A (en) * | 2018-11-08 | 2019-04-05 | 瑞声科技(新加坡)有限公司 | Loudspeaker and its assemble method |
| CN110248295A (en) * | 2019-06-27 | 2019-09-17 | 歌尔股份有限公司 | Sounding device and electronic equipment |
| CN110248295B (en) * | 2019-06-27 | 2021-02-19 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN110933570A (en) * | 2019-12-13 | 2020-03-27 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN111726734A (en) * | 2020-06-18 | 2020-09-29 | 江西台德智慧科技有限公司 | Heat dissipation type speaker magnetic circuit, speaker and intelligent audio amplifier |
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| WO2018058852A1 (en) | 2018-04-05 |
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