CN207835795U - Electroacoustic transducer and electronic equipment - Google Patents

Electroacoustic transducer and electronic equipment Download PDF

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Publication number
CN207835795U
CN207835795U CN201721844221.2U CN201721844221U CN207835795U CN 207835795 U CN207835795 U CN 207835795U CN 201721844221 U CN201721844221 U CN 201721844221U CN 207835795 U CN207835795 U CN 207835795U
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China
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ring
piece
interior
periphery
support piece
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CN201721844221.2U
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Chinese (zh)
Inventor
韩菲菲
杨鑫峰
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Goertek Techology Co Ltd
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Goertek Techology Co Ltd
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Abstract

This application discloses a kind of electroacoustic transducers, it includes vibrating diaphragm and centring disk, vibrating diaphragm includes middle part, around the interior ring of portion periphery, the outer ring for being looped around interior ring periphery, the ring interconnecting piece in connection on the inside of ring periphery and outer ring and the outer ring portion for being connected to outer ring periphery is connected between, and the protruding part of interior ring and outer ring is in the homonymy of ring interconnecting piece;Centring disk is fitted in one side of the vibrating diaphragm far from protrusion, including inner support piece, it is looped around the middle branch piece of inner support piece periphery and is looped around the outer support piece of middle branch piece periphery, inner support piece is affixed merging with middle part and is connect by multiple interior cantilevers with middle branch piece, middle branch piece is affixed merging with ring interconnecting piece and is connect by multiple outer cantilevers with outer support piece, and outer support piece fits with outer ring portion.The electroacoustic transducer of the application enhances the stability of vibrational system, improves acoustical behavior.

Description

Electroacoustic transducer and electronic equipment
Technical field
The utility model belongs to sound-producing device technical field, and in particular to a kind of electroacoustic transducer and electronic equipment.
Background technology
Coil-moving speaker is the most widely used a loud speaker currently on the market, and the moving-coil of double folding ring double voice coil The advantages of formula loud speaker is because of with can selectively adjust swept area, and can selectively adjust driving force size, quilt Applied in the electronic equipment of mainstream.
But since the hardness of vibrating diaphragm is inadequate, the sound of the vibrational system of the coil-moving speaker of this double folding ring double voice coil Circle is easy to deform upon, and causes vibrating diaphragm to generate lack of balance vibration, or even generate noise, and then reduce the performance of loud speaker.
It reduces and raises one's voice because vibrational system is unstable in short, double folding ring Double-voice coil moving-coil loudspeaker at this stage has The technical issues of acoustical behavior of device.
Utility model content
In view of this, the utility model embodiment provides a kind of electroacoustic transducer and electronic equipment, to solve at this stage There is the coil-moving speaker of double folding ring double voice coil the technology for the acoustical behavior for reducing loud speaker because vibrational system is unstable to ask Topic.
The utility model embodiment provides a kind of electroacoustic transducer comprising vibrating diaphragm and centring disk;
Vibrating diaphragm include middle part, around be connected between the interior ring of portion periphery, the outer ring for being looped around interior ring periphery, Ring interconnecting piece in connection on the inside of ring periphery and outer ring and the outer ring portion for being connected to outer ring periphery, interior ring and The protruding part of outer ring is in the homonymy of ring interconnecting piece;
Centring disk is fitted in one side of the vibrating diaphragm far from protrusion, including inner support piece, the middle branch for being looped around inner support piece periphery Piece and the outer support piece for being looped around middle branch piece periphery, inner support piece, which is affixed to merge with middle part, to be connected with middle branch piece by multiple interior cantilevers It connects, middle branch piece is affixed merging with ring interconnecting piece and is connect by multiple outer cantilevers with outer support piece, and outer support piece fits with outer ring portion.
Further, electroacoustic transducer further includes interior voice coil and the outer voice coil for being looped around interior voice coil periphery, interior voice coil with Inner support piece fits, and outer voice coil fits with middle branch piece;Or interior voice coil fits with middle part, outer voice coil and ring interconnecting piece It fits.
Further, interior cantilever and outer cantilever include main boom and the linking arm for being connected to main boom both ends, and are connected End of the arm far from main boom is connect to be connected in inner support piece or middle branch piece or outer support piece.
Further, electroacoustic transducer further includes the first reinforcement, and the first reinforcement is fitted in middle part and deviates from inner support piece One side.
Further, electroacoustic transducer further includes the second reinforcement, and the second reinforcement is fitted in during ring interconnecting piece deviates from The one side of branch piece.
Further, inner support piece is rectangle, and middle branch piece is the straight-flanked ring around rectangular outer perimeter, and outer support piece is around middle branch piece The straight-flanked ring of periphery.
Further, inner support piece is circle, and middle branch piece is the annulus around circular circumference, and outer support piece is outside middle branch piece The annulus in week;Main boom and linking arm are arc.
Further, electroacoustic transducer further include interior magnetic conductive board, internal magnet, middle magnetic conductive board, middle magnet, outer magnetic conductive board and External magnet;
Interior magnetic conductive board is fitted in side of the internal magnet close to vibrating diaphragm;
Middle magnet is arranged in internal magnet periphery, and interior magnetic gap is separated between internal magnet, and middle magnetic conductive board is arranged in middle magnet Close vibrating diaphragm side;
External magnet is arranged in the periphery of middle magnet, and outer magnetic gap is separated between middle magnet, and outer magnetic conductive board setting is outside The close vibrating diaphragm side of magnet;
Interior voice coil is hung in interior magnetic gap, and outer voice coil is hung in outer magnetic gap.
Further, the middle magnet is hollow annular.
Further, the utility model embodiment provides a kind of electronic equipment, including the electroacoustic described in above-described embodiment Converter.
The electroacoustic transducer that the utility model embodiment provides, including vibrating diaphragm, centring disk;Vibrating diaphragm includes middle part, ring Around the inside and outside ring being arranged in middle part, the outer ring portion of ring interconnecting piece and outer ring periphery between inside and outside ring;It is fixed Heart branch piece includes being fitted in the inner support piece of middle part, is fitted in the middle branch piece of ring interconnecting piece, is fitted in the outer support piece in outer ring portion, In connection, in the interior cantilever of middle branch piece and connection, the outer cantilever of outer support piece;Centring disk can provide support for vibrating diaphragm, and Increase its stiffness factor, make it have preferable elastic restoring force, to promote the stability of vibrational system, and then can be promoted The acoustical behavior of electroacoustic transducer.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts, Other drawings may also be obtained based on these drawings.
Fig. 1 is that the vibrating diaphragm of electroacoustic transducer that the utility model embodiment provides and a detonation configuration of centring disk show It is intended to;
Fig. 2 is a configuration schematic diagram of the vibrational system for the electroacoustic transducer that the utility model embodiment provides;
Fig. 3 is a configuration schematic diagram of the electroacoustic transducer that the utility model embodiment provides;
Fig. 4 is a cross-sectional view of the electroacoustic transducer that the utility model embodiment provides;
Fig. 5 is the planar structure schematic diagram of a centring disk of the electroacoustic transducer that the utility model embodiment provides.
Specific implementation mode
The embodiment of the utility model is described in detail below in conjunction with accompanying drawings and embodiments, thereby to the utility model How applied technology method solves technical problem and reaches the realization process of technical effect to fully understand and implement.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability Contain, so that process, method, commodity or system including a series of elements include not only those elements, but also includes The other elements being not explicitly listed, or further include for this process, method, commodity or the intrinsic element of system. In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that in the mistake including element There is also other identical elements in journey, method, commodity or system.
One explosion of the vibrating diaphragm and centring disk of the electroacoustic transducer provided for the utility model embodiment is be provided Structural schematic diagram;And Fig. 2 and Fig. 3 is combined, the vibrational system for the electroacoustic transducer that respectively the utility model embodiment provides Configuration schematic diagram and the utility model embodiment provide electroacoustic transducer configuration schematic diagram.This practicality is new The electroacoustic transducer that type embodiment provides includes vibrational system 1, magnetic circuit system 2 and conductive magnetic yoke 3.The utility model and this reality Mainly vibrational system 1 is improved with new embodiment, vibrational system 1 is described in detail below.Vibrational system 1 is wrapped Include vibrating diaphragm 11, centring disk 12 and voice coil 13.
Wherein, vibrating diaphragm 10 includes middle part 111, interior ring 112, ring interconnecting piece 113, outer ring 114 and outer ring portion 115.For interior ring 112 around the periphery for being connected between portion 111, outer ring 114 is looped around the periphery of interior ring 112, and ring connects Socket part 113 is connected to the inside in the outside and outer ring 114 of interior ring 112, and outer ring portion 115 surround and is connected to outer ring 114 periphery is simultaneously upwardly extended to the side far from outer ring 114, and interior ring 112 and outer ring 114 are the arc with protrusion Shape structure, and the protrusion 116 of interior ring 112 and outer ring 114 is located at the same side of ring interconnecting piece 113, for example, simultaneously Positioned at side of the ring interconnecting piece 113 far from voice coil, or it is located at simultaneously close to the side of voice coil.
Centring disk 12 is fitted in one side of the vibrating diaphragm 11 far from protrusion 116, including inner support piece 121, interior cantilever 122, in Branch piece 123, outer cantilever 124 and outer support piece 125;Inner support piece 121 is fitted on middle part 111;Middle branch piece 123 is looped around interior branch The periphery of piece 121 is simultaneously and inner support piece 121 is separated by a spacing, and middle branch piece 123 connects inner support piece 121 by multiple interior cantilevers 122, in Branch piece 123 fits with ring interconnecting piece 113;Interior cantilever 122 is opposite with the opening portion of interior ring 112, and as interior cantilever 122 pastes Be located at interior ring 112 away from the side of protrusion 116;Outer support piece 125 is looped around the periphery of middle branch piece 123 and and middle branch piece 123 are separated by a spacing, branch piece 123 during outer support piece 125 is connected by multiple outer cantilevers 124, and outer support piece 125 is fitted in outer ring portion On 115;Outer cantilever 124 is opposite with the opening portion of outer ring 114, and as outer cantilever 124 is sticked deviates from protrusion in outer ring 114 The side in portion 116.
Voice coil 13 can be directly attached on centring disk 12 and is away from each other with vibrating diaphragm 11, or can be directly attached to vibrating diaphragm 11 Above and with centring disk 12 it is away from each other;I.e. centring disk 12 can be arranged between vibrating diaphragm 11 and voice coil 13, can also be arranged Side of the vibrating diaphragm 11 far from voice coil 13, and be away from each other with voice coil 13.
Specifically, voice coil 13 includes interior voice coil 131 and the outer voice coil 132 for being looped around 131 periphery of interior voice coil, interior voice coil 131 and outer voice coil 132 be mutually independent cyclic structure, interior voice coil 131 is arranged in the inside of outer voice coil 132.When voice coil 13 is straight Connect when being fitted on centring disk 12 and being away from each other with vibrating diaphragm 11, interior voice coil 131 fits with inner support piece 121, outer voice coil 132 with Middle branch piece 123 fits.When voice coil 13 is directly attached on vibrating diaphragm 11 and is away from each other with centring disk 12, interior voice coil 131 with Middle part 111 fits, and outer voice coil 132 fits with ring interconnecting piece 113, and the protrusion 116 of interior ring 112 is convex to interior voice coil Gap between 131 and outer voice coil 132.
The present embodiment be in case of voice coil 13 is directly attached on centring disk 12 and is away from each other with vibrating diaphragm 11 into Row description and Figure of description Fig. 2-Fig. 4 also respectively illustrate such situation.Voice coil 13 is directly attached on vibrating diaphragm 11 And the case where being away from each other with centring disk 12, it is directly attached on centring disk 12 with voice coil 13 and is away from each other with vibrating diaphragm 11 The difference is that be that only can be obtained vibrating diaphragm in the above situation 11 with the whole reversion that centring disk 12 is combined, other The combination situation of component is identical, herein not excessive description.
In the electroacoustic transducer of above example, by adding centring disk 12 in vibrational system 1, feel relieved in structure Branch piece 12 can provide good support to vibrating diaphragm 11, and increase its stiffness factor, make it have preferable elastic restoring force into And the vibration of vibrating diaphragm 11 is made more to stablize, and centring disk 12 can have the amplitude of vibrating diaphragm 11 certain inhibiting effect, prevent Only 11 amplitude of vibrating diaphragm is excessive, causes to damage to vibrating diaphragm 11.Further, it can prevent voice coil 13 from deforming upon in vibration processes, The stability of electroacoustic transducer vibrational system 1 is improved, the acoustical behavior of electroacoustic transducer is further promoted.
In addition, vibrational system 1 can input electricity in vibration according to the inside voice coil 131 of actual demand and/or outer voice coil 132 Stream, or adjustment are input to the size of current of interior voice coil 131, outer voice coil 132, to adjust the Oscillation Amplitude of voice coil 13, to adjust The amplitude of whole vibrating diaphragm 11 and the acoustic radiation area of vibrational system 1.So, the electroacoustic transducer in the application can basis Actual demand is adjusted the amplitude and acoustic radiation area of vibrating diaphragm, and then adjusts the acoustical behavior of electroacoustic transducer so that electricity Acoustical convertor preferably provides required sound to the user.
Please refer to Fig.3 and Fig. 4, the magnetic circuit system 2 of the electroacoustic transducer of the present embodiment include magnetic conductive board component 21 and Magnet assemblies 22.Magnetic conductive board component 21 includes interior magnetic conductive board 211, middle magnetic conductive board 212 and outer magnetic conductive board 213;Magnet assemblies 22 Including internal magnet 221, middle magnet 222 and external magnet 223.
Wherein, interior magnetic conductive board 211 is fitted in internal magnet 221 close to the side of vibrating diaphragm 11;Middle magnet 222 is arranged in interior magnetic 221 periphery of iron, and it is interior magnetic gap to be separated with magnetic gap between internal magnet 221, middle magnetic conductive board 212 is arranged in middle magnet 222 Close to 11 side of vibrating diaphragm;External magnet 223 is arranged in the periphery of middle magnet 222, and is separated with magnetic gap between middle magnet 222 and is Outer magnetic gap, outer magnetic conductive board 213 are arranged in 11 side of close vibrating diaphragm of external magnet 223;Interior voice coil 131 is hung on interior magnetic gap In, outer voice coil 132 is hung in outer magnetic gap.Herein, internal magnet 221 is layered on top of each other magnetic in composition with interior magnetic conductive board 211 Road;Middle magnet 222 is layered on top of each other magnetic circuit in composition with middle magnetic conductive board 212;External magnet 223 is layered on top of each other structure with outer magnetic conductive board 213 At external magnetic circuit;The gap that interior magnetic gap is separated by between internal magnetic circuit and middle magnetic circuit, interior voice coil 131 are hung in interior magnetic gap;Outside The gap that magnetic gap is separated by between external magnetic circuit and middle magnetic circuit, outer voice coil 132 are hung in outer magnetic gap.
Further, magnet 222 is hollow annular among the above, so, during internal magnet 221 can be directly placed at In magnet 222.
Further, above-mentioned electroacoustic transducer further includes conductive magnetic yoke 3.Wherein, conductive magnetic yoke 3 is a platy structure, internal magnet 221, middle magnet 222 and external magnet 223 are arranged in conductive magnetic yoke 3, and conductive magnetic yoke 3 is located at magnet assemblies 22 and deviates from magnetic conductive board component 21 side, i.e. conductive magnetic yoke 3 are located at internal magnet 221 away from interior magnetic conductive board 211, middle magnet 22 away from middle magnetic conductive board 212, external magnet 223 deviate from the side of outer magnetic conductive board 213.Conductive magnetic yoke 3 and magnetic conductive board component 21 are to carry out magnetic strength for correcting magnet assemblies 22 Line.
In addition, vibrational system 1, magnetic circuit system 2 and conductive magnetic yoke 3 can also accommodate and be fixed on an injection casing (in figure not Show) in.Injection casing be wrapped in vibrational system 1, magnetic circuit system 2 and conductive magnetic yoke 3 side periphery.Conductive magnetic yoke 3 is vibration System 1 and magnetic circuit system 2 provide a pedestal, and magnetic circuit system 2, voice coil 13, centring disk 12 and vibrating diaphragm 11 are carried on successively In conductive magnetic yoke 3.
Referring to FIG. 4, in the utility model other preferred embodiments, the addition of being also an option that property of electroacoustic transducer One reinforcement 117 and/or the second reinforcement 118.Wherein, the first reinforcement 117 is fitted in middle part 111 away from inner support piece 121 One side;Second reinforcement 118 is fitted in the one side that ring interconnecting piece 113 deviates from middle branch piece 123.
Specifically, the first reinforcement 117 is arranged the ring-shaped inner part in interior ring 112 and is fitted in middle part 111 away from interior The one side of branch piece 121, setting form are including but not limited to that forms, the thickness of the first reinforcement 117 such as bonding are generally less than The height of protrusion 116;Second reinforcement 118 is arranged between interior ring 112 and two annulars of outer ring 114 and is fitted in Ring interconnecting piece 113 deviates from the one side of middle branch piece 123, and setting form is including but not limited to the forms such as bonding, the second enhancing The thickness of part 118 is generally less than the height of protrusion 116.
In the present embodiment, by the way that the first reinforcement 117 and/or the second reinforcement 118, Ke Yizeng are arranged on vibrating diaphragm 11 The intensity of big vibrating diaphragm 11 reduces vibrating diaphragm 11 and generates high frequency diaphagras, can promote the acoustical behavior of electroacoustic transducer, in addition may be used To increase the durability that vibrating diaphragm 11 uses, the service life of electroacoustic transducer is promoted.
Further, referring to FIG. 5, interior cantilever 122 and outer cantilever 124 include main boom 126 and be connected to main outstanding The linking arm 127 at 126 both ends of arm, and end of the linking arm 127 far from main boom 126 is connected to inner support piece 121 or middle branch piece 123 or outer support piece 125 on.
Specifically, two ends of main boom 126 are separately connected two linking arms 127, and linking arm 127 is far from main boom 126 end, i.e. linking arm 127 be not connected with main boom 126 end be respectively used to connection inner support piece 121 or middle branch piece 123 or Outer support piece 125.It is mutual by multiple interior cantilevers 122 (main boom 126 and linking arm 127) between inner support piece 121 and middle branch piece 123 Connection, is mutually interconnected between outer support piece 125 and middle branch piece 123 by multiple outer cantilevers 124 (main boom 126 and linking arm 127) It connects.Herein, main boom 126 and 127 one side of linking arm play the role of connect two branch pieces, can also be interior voice coil 131 with And the lead of outer voice coil 132 provides support so that voice coil leads can be attached to centring disk 12 and draw and be connected to external electrical On the road, play the role of positioning and limit to voice coil 13, and then promote the acoustical behavior of electroacoustic transducer.
The concrete shape of centring disk 2 is described in two kinds of situation below, it is contemplated that centring disk 2 may be used also There are other forms, it is merely exemplary matter herein, does not constitute the restriction to the utility model embodiment and the utility model.
The first, referring to FIG. 5, inner support piece 121 is rectangular configuration, middle branch piece 123 is the inner support piece 121 around rectangular configuration The rectangle ring structure of periphery, outer support piece 125 are the rectangle ring structure around 123 periphery of middle branch piece.
Specifically, outer support piece 125 and middle branch piece 123 are rectangle ring structure, and are looped around the outer of rectangle inner support piece 121 Week, the size of outer support piece 125 are more than the size of middle branch piece 123.Interior cantilever 122 and outer cantilever 124 are separately positioned on inner support piece 121, in the gap that middle branch piece 123 and outer support piece 125 are formed between any two.It is contemplated that the middle part 111 of vibrating diaphragm 11 For rectangle, interior ring 112, ring interconnecting piece 113, outer ring 114 and outer ring portion 115 are also to be around rectangular outer perimeter Straight-flanked ring.Here the electroacoustic transducer corresponding to rectangular configuration or rectangle ring structure is generally rectangular parallelepiped structure, can think To be inner support piece 121, middle branch piece 123 and outer support piece 125 can also be track type structure, this structure and rectangular configuration class Seemingly, it is not described in detail herein;
Further, the shape of main boom 126 is including but not limited to rectilinear structure, the shape packet of linking arm 127 It includes but is not limited to be arcuate structure, it is contemplated that the shape of main boom 126 can also be the smaller arcuate structure of radian. Have enough between adjacent two branch piece for being in the preferred embodiment guarantee inner support piece 121, middle branch piece 123 and outer support piece 125 Big amplitude, can be generally arranged between inner support piece 121 and any opposite both sides of middle branch piece 123 there are one interior cantilever 122, Here, the four edges of branch piece 123 are opposite respectively in rectangle inner support piece 121 and straight-flanked ring, are both provided between each opposite both sides Two linking arms 127 of one interior cantilever 122,126 both ends of main boom are lived apart in the both sides of main boom 126, and this two connections 127 radian direction of arm is on the contrary, and be connected in inner support piece 121 and middle branch piece 123.And/or in outer support piece 125 and middle branch There are one outer cantilevers 124, the linking arm 127 of outer cantilever 124 to be connected to outer support piece for setting between any opposite both sides of piece 123 125 and middle branch piece 123 on.Herein, outer cantilever 124 is similar with the shape of above-mentioned interior cantilever 122, and it will not be described here.
It should be noted that the length of main boom can be configured according to actual demand, the application is without limitation.
The second, inner support piece 121 is circular configuration, and middle branch piece 123 is the circle around 121 periphery of inner support piece of circular configuration Ring structure, outer support piece 125 are the circular ring structure around 123 periphery of middle branch piece, and main boom 126 and linking arm 127 are arc knot Structure.Specifically, outer support piece 125 and middle branch piece 123 are circular ring structure, and are looped around the periphery of round inner support piece 121, outer branch The diameter of piece 125 is more than the diameter of middle branch piece 123.Interior cantilever 122 and outer cantilever 124 are separately positioned on inner support piece 121, middle branch In the gap that piece 123 and outer support piece 125 are formed between any two.It is contemplated that the middle part 111 of vibrating diaphragm 11 is also circle, Interior ring 112, ring interconnecting piece 113, outer ring 114 and outer ring portion 115 are also the annulus around circular circumference.Here Electroacoustic transducer corresponding to circular configuration or circular ring structure is generally cylindrical structure, it is contemplated that inner support piece 121, Middle branch piece 123 and outer support piece 125 can also be ellipsoidal structure or similar circular regular polygon structure, this structure with Circular configuration is similar, is not described in detail herein;
Further, the utility model embodiment additionally provides a kind of electronic equipment, including the electricity described in above-described embodiment Acoustical convertor.
Although some specific embodiments of the utility model are described in detail by example, this field It is to be understood by the skilled artisans that above example merely to illustrate, rather than in order to limit the scope of the utility model.This Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example It modifies.The scope of the utility model is defined by the following claims.

Claims (10)

1. a kind of electroacoustic transducer, which is characterized in that including vibrating diaphragm and centring disk;
The vibrating diaphragm includes middle part, the circular interior ring for being connected to the middle part periphery, is looped around the interior ring periphery Outer ring, connect the ring interconnecting piece on the inside of the interior ring periphery and the outer ring and be connected to the outer ring The protruding part of the outer ring portion of periphery, the interior ring and the outer ring is in the homonymy of the ring interconnecting piece;
The centring disk is fitted in one side of the vibrating diaphragm far from the protrusion, including inner support piece, is looped around the interior branch The middle branch piece of piece periphery and the outer support piece for being looped around the middle branch piece periphery, the inner support piece is affixed with the middle part to be merged It is connect by multiple interior cantilevers with the middle branch piece, the middle branch piece is affixed with the ring interconnecting piece to be merged and the outer support piece It is connected by multiple outer cantilevers, the outer support piece fits with the outer ring portion.
2. electroacoustic transducer according to claim 1, which is characterized in that further include:Interior voice coil and be looped around it is described in The outer voice coil of voice coil periphery;
The interior voice coil fits with the inner support piece, and the outer voice coil fits with the middle branch piece;Or the interior voice coil It fits with the middle part, the outer voice coil fits with the ring interconnecting piece.
3. electroacoustic transducer according to claim 1, which is characterized in that the interior cantilever and the outer cantilever are including master Cantilever and the linking arm for being connected to the main boom both ends, and end of the linking arm far from the main boom is connected to institute It states in inner support piece or the middle branch piece or the outer support piece.
4. electroacoustic transducer according to claim 1, which is characterized in that further include the first reinforcement, first enhancing Part is incorporated in the one side that the middle part deviates from the inner support piece.
5. electroacoustic transducer according to claim 1 or 4, which is characterized in that further include the second reinforcement, described second increases Strong part is incorporated in the one side that the ring interconnecting piece deviates from the middle branch piece.
6. electroacoustic transducer according to claim 3, which is characterized in that the inner support piece is rectangle, and the middle branch piece is Around the straight-flanked ring of the rectangular outer perimeter, the outer support piece is the straight-flanked ring around the middle branch piece periphery.
7. electroacoustic transducer according to claim 3, which is characterized in that the inner support piece is circle, and the middle branch piece is Around the annulus of the circular circumference, the outer support piece is the annulus around the middle branch piece periphery;The main boom and described Linking arm is arc.
8. electroacoustic transducer according to claim 2, which is characterized in that further include interior magnetic conductive board, internal magnet, middle magnetic conduction Plate, middle magnet, outer magnetic conductive board and external magnet;
The interior magnetic conductive board is fitted in the internal magnet close to the side of the vibrating diaphragm;
The middle magnet is arranged in the internal magnet periphery, and interior magnetic gap is separated between the internal magnet, the middle magnetic conductive board It is arranged in the close vibrating diaphragm side of the middle magnet;
The external magnet is arranged in the periphery of the middle magnet, and outer magnetic gap is separated between the middle magnet, described to lead outside Magnetic sheet is arranged in the close vibrating diaphragm side of the external magnet;
The interior voice coil is hung in the interior magnetic gap, and the outer voice coil is hung in the outer magnetic gap.
9. electroacoustic transducer according to claim 8, which is characterized in that
The middle magnet is hollow annular.
10. a kind of electronic equipment, which is characterized in that including claim 1-9 any one of them electroacoustic transducers.
CN201721844221.2U 2017-12-25 2017-12-25 Electroacoustic transducer and electronic equipment Active CN207835795U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020057009A1 (en) * 2018-09-21 2020-03-26 歌尔股份有限公司 Miniature sound production device
CN111131982A (en) * 2020-03-27 2020-05-08 共达电声股份有限公司 Centering support piece and loudspeaker with same
WO2021174577A1 (en) * 2020-03-05 2021-09-10 瑞声声学科技(深圳)有限公司 Sound generating device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020057009A1 (en) * 2018-09-21 2020-03-26 歌尔股份有限公司 Miniature sound production device
WO2021174577A1 (en) * 2020-03-05 2021-09-10 瑞声声学科技(深圳)有限公司 Sound generating device
CN111131982A (en) * 2020-03-27 2020-05-08 共达电声股份有限公司 Centering support piece and loudspeaker with same
CN111131982B (en) * 2020-03-27 2020-08-11 共达电声股份有限公司 Centering support piece and loudspeaker with same

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