CN208924469U - Microphone device - Google Patents

Microphone device Download PDF

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Publication number
CN208924469U
CN208924469U CN201821622803.0U CN201821622803U CN208924469U CN 208924469 U CN208924469 U CN 208924469U CN 201821622803 U CN201821622803 U CN 201821622803U CN 208924469 U CN208924469 U CN 208924469U
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CN
China
Prior art keywords
voice coil
magnet steel
fixed
frame
vibrating diaphragm
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.)
Withdrawn - After Issue
Application number
CN201821622803.0U
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Chinese (zh)
Inventor
宋威
张帆
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AAC Technologies Pte Ltd
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AAC Technologies Pte Ltd
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Publication date
Application filed by AAC Technologies Pte Ltd filed Critical AAC Technologies Pte Ltd
Priority to CN201821622803.0U priority Critical patent/CN208924469U/en
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Publication of CN208924469U publication Critical patent/CN208924469U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of microphone device comprising frame and is individually fixed in the vibrational system of frame and the magnetic circuit system with magnetic gap;Vibrational system includes the vibrating diaphragm for being fixed on frame, is inserted in magnetic gap to drive the voice coil of diaphragm oscillations sounding and be fixed on frame and resilient support assemblies opposite and spaced with vibrating diaphragm, which is characterized in that microphone device further includes support frame;Voice coil is fixedly connected on vibrating diaphragm, and support frame is arranged close to one end of vibrating diaphragm and vibrating diaphragm interval, and one end far from vibrating diaphragm connect with resilient support assemblies, and the side of voice coil is fixed in support frame fitting, support frame to by voice coil resilient suspension in vibrating diaphragm lower section.Compared with the relevant technologies, the microphone device acoustical behavior of the utility model is good and high reliablity.

Description

Microphone device
[technical field]
The utility model relates to acoustic-electric field more particularly to a kind of microphone devices for applying to portable electronic product.
[background technique]
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Microphone device for playing sound is widely applied Among the Intelligent mobile equipments such as present mobile phone.
The microphone device of the relevant technologies include frame and the vibrational system for being individually fixed in the frame and have magnetic The magnetic circuit system in gap;The vibrational system includes the vibrating diaphragm for being fixed on the frame, is fixed on the vibrating diaphragm and is inserted in institute It states magnetic gap and the frame is fixed on the voice coil for driving the diaphragm oscillations sounding and one end, the other end is fixed on the sound Enclose the resilient support assemblies far from described vibrating diaphragm one end.
However, the vibrating diaphragm and the resilient support assemblies are individually fixed in institute in microphone device described in the relevant technologies The opposite end of voice coil is stated, although the horizontal swing when resilient support assemblies can effectively prevent the voice coil vibrations, its The structure directly connecting with voice coil causes the design of the voice coil to be restricted, and the volume of the magnetic circuit system is also limited, from And it is limited that the acoustical behavior of the microphone device is improved.
Therefore, it is really necessary to provide a kind of new microphone device solution above-mentioned technical problem.
[utility model content]
Good and high reliablity the microphone device the purpose of this utility model is to provide a kind of acoustical behavior.
In order to achieve the above objectives, the utility model provides a kind of microphone device comprising frame and is individually fixed in institute State the vibrational system of frame and magnetic circuit system and support frame with magnetic gap;The vibrational system is described including being fixed on The vibrating diaphragm of frame, be inserted in the magnetic gap with drive the voice coil of the diaphragm oscillations sounding and be fixed on the frame and with The vibrating diaphragm is opposite and spaced resilient support assemblies;The voice coil is fixedly connected on the vibrating diaphragm, the support frame It is arranged close to one end of the vibrating diaphragm and the vibrating diaphragm interval, one end and the resilient support assemblies far from the vibrating diaphragm connect Connect, the side of the voice coil is fixed in support frame fitting, the support frame to by the voice coil resilient suspension in Below the vibrating diaphragm.
Preferably, the resilient support assemblies surround a hollow region, the one end of the voice coil far from the vibrating diaphragm jointly Within the scope of the hollow region.
Preferably, the support frame includes the frame body separated by a distance with the voice coil and by the skeleton sheet Body bends the supporting walls extended to form;The frame body is fixedly connected on the resilient support assemblies, and the supporting walls are sticked In the side of the voice coil.
Preferably, the supporting walls are reversely bent by the frame body and are extended to form.
Preferably, the support frame includes four, and the voice coil is rounded rectangular configuration, four support ribs Frame is located at the position of four fillets of the voice coil.
Preferably, the resilient support assemblies include two and are located at the opposite sides of the voice coil, each described Resilient support assemblies include elastic component and the auxiliary vibrating diaphragm for being attached at the elastic component;The frame body is fixedly connected on institute State side of the elastic component far from the auxiliary vibrating diaphragm.
Preferably, the elastic component includes the first fixed arm for being fixed on the frame, support is fixed on adjacent two respectively Two the second fixed arms of a support frame and prolonged respectively to two second fixed arms from first fixed arm Two elastic arms stretched and formed a fixed connection;The auxiliary vibrating diaphragm includes the first ring of the arc-shaped structure in cross section and by institute First connecting portion and second connecting portion that the opposite sides of the first ring each extends over are stated, the first connecting portion is fixed on described Side of first fixed arm far from the vibrating diaphragm, each second connecting portion are fixed on second fixed arm ipsilateral with it The side far from the vibrating diaphragm, and be oppositely arranged first ring with the elastic arm;The frame body is fixed on institute State the side far from the second connecting portion of the second fixed arm.
Preferably, the elastic component is the flexible circuit board being electrically connected with the voice coil.
Preferably, the magnetic circuit system includes that magnetic yoke, the main magnet steel for being fixed on the magnetic yoke and being respectively separated is set to The main magnet steel opposite sides and the two first secondary magnet steel that the magnetic gap is formed with the main magnet steel;Two first pairs Magnet steel is located between two resilient support assemblies.
Preferably, the voice coil is rounded rectangular configuration, and two the described first secondary magnet steel are located at the length of the voice coil The two sides of axis, two resilient support assemblies are located at the two sides of the short axle of the voice coil.
Preferably, the magnetic circuit system further includes being respectively separated two that are set to the other opposite sides of main magnet steel Second mate's magnet steel;Each second secondary magnet steel be located at the same elastic component ipsilateral with it two second fixed arms it Between.
Preferably, the voice coil is rounded rectangular configuration, and two the described first secondary magnet steel are located at the length of the voice coil The two sides of axis, two resilient support assemblies are located at the two sides of the short axle of the voice coil, and two the described second secondary magnet steel are located at The two sides of the short axle of the voice coil, and each second secondary magnet steel be located at the resilient support assemblies ipsilateral with it with it is described Between voice coil.
Preferably, the described second secondary magnet steel includes magnet steel ontology and each extends over shape by the long axis both ends of the magnet steel ontology At magnet steel reinforcement part, each magnet steel reinforcement part extend respectively to the frame body of the corresponding support frame with Between the voice coil.
Preferably, the auxiliary vibrating diaphragm is equipped with the recessing groove being recessed from it close to a side of voice coil to the frame direction, The magnet steel ontology extends in the recessing groove.
Preferably, the magnetic circuit system further includes upper clamp plate and the main pole core for being covered on the main magnet steel, the upper folder Plate includes being fixed on the fixed ring annular in shape of frame and from the fixed ring respectively to the described first secondary magnet steel and described second Four consequent pole cores that secondary magnet steel extends, four consequent pole cores are stacked at the described first secondary magnet steel and the second secondary magnetic respectively Steel, and the consequent pole core is matched with the shape of corresponding described first secondary magnet steel or the second secondary magnet steel respectively.
Compared with the relevant technologies, the microphone device of the utility model, the voice coil is fixedly connected on the vibrating diaphragm, the branch Support bone frame is arranged close to one end of the vibrating diaphragm and the vibrating diaphragm interval, one end and the resilient support far from the vibrating diaphragm Component connection, the support frame further includes supporting walls, and the side of the voice coil, the support are fixed in the supporting walls fitting Skeleton is to by the voice coil resilient suspension, below the vibrating diaphragm, i.e., the structure passes through the resilient support assemblies described Support frame is indirectly coupled to the one end of choosing from the vibrating diaphragm of the voice coil, cross when on the one hand realizing to the voice coil vibrations To the inhibition of swing, its stability is improved;On the other hand it eliminates when the resilient support assemblies are directly connected to voice coil to sound The limitation of circle, voice coil height are no longer limited by resilient support assemblies, and microphone device whole height can design more frivolous;Together When eliminate the limitation of design to magnetic circuit system, resilient support assemblies are not direct glued with voice coil bottom, and magnetic circuit system is not necessarily to Resigning resilient support assemblies, magnetic circuit system can realize maximized more three magnetic circuits of magnet steel or five magnetic structures, effectively increase institute State the acoustical behavior of microphone device.
[Detailed description of the invention]
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings, in which:
Fig. 1 is the schematic perspective view of the utility model microphone device;
Fig. 2 is the first exploded view of part isometric structure of the utility model microphone device;
Fig. 3 is the cut-away view of the line A-A along Fig. 1;
Fig. 4 is the second exploded view of part isometric structure of the utility model microphone device;
Fig. 5 is the schematic perspective view of the support frame of the utility model microphone device;
Fig. 6 illustrates for the stereochemical structure of the support frame of the utility model microphone device, resilient support assemblies and voice coil Figure;
Fig. 7 is the schematic perspective view of the resilient support assemblies of the utility model microphone device;
Fig. 8 is the stereochemical structure exploded view of the resilient support assemblies of the utility model microphone device;
Fig. 9 is the resilient support assemblies of the utility model microphone device and the schematic perspective view of the second secondary magnet steel;
Figure 10 is the part isometric structure top view of the utility model microphone device;
Figure 11 is the enlarged drawing of part shown in B in Figure 10.
[specific embodiment]
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work All other embodiment obtained, fall within the protection scope of the utility model.
Please refer to shown in Fig. 1-3, the utility model provides a kind of microphone device 100 comprising frame 1, vibration system System 2, magnetic circuit system 3 and support frame 4.
The frame 1 is used to support the vibrational system 2 and the magnetic circuit system 3.
The vibrational system 2 includes being fixed on the vibrating diaphragm 21 of the frame 1, to drive 21 vibration sounding of vibrating diaphragm Voice coil 22 and it is fixed on the frame 1 and the opposite and spaced resilient support assemblies 23 with the vibrating diaphragm 21.
The magnetic circuit system 3 has magnetic gap 30, and the voice coil 22 is inserted in the magnetic gap 30.
The voice coil 22 is fixedly connected on the vibrating diaphragm 21, the one end and institute of the support frame 4 close to the vibrating diaphragm 21 The setting of the interval of vibrating diaphragm 21 is stated, one end far from the vibrating diaphragm 21 is connect with the resilient support assemblies 23.
Please refer to shown in Fig. 4-6, the support frame 4 includes the skeleton sheet separated by a distance with the voice coil 22 Body 41 and the supporting walls 42 extended to form by the frame body 41 bending;Specifically, the frame body 41 is fixedly connected on The resilient support assemblies 23, i.e., the described frame body 41 are arranged close to one end of the vibrating diaphragm 21 and the vibrating diaphragm 21 interval, Its one end far from the vibrating diaphragm 21 is connect with the resilient support assemblies 23, and the sound is fixed in the fitting of supporting walls 42 Circle 22 side, to by 22 resilient suspension of voice coil between the vibrating diaphragm 21 and the resilient support assemblies 23.
Above structure makes the resilient support assemblies 23 are indirect to connect with the voice coil 22, but passes through the support The realization of skeleton 4 is indirectly connected with.On the one hand the indirect connection structure is realized by the resilient support assemblies 23 to the voice coil 22 Horizontal swing effective inhibition, improve the reliability and stability of the microphone device 100, on the other hand, resilient support group Part 23 with the voice coil 22 is indirect is connected, release the structure design of the voice coil 22, position can be along the vibrating diaphragm 21 Direction of vibration floats up and down, and 22 height of voice coil is no longer limited by the resilient support assemblies 23, and the microphone device 100 is whole Body height can design more frivolous;The structure design of the magnetic circuit system 3, the resilient support assemblies are released simultaneously 23 is not direct glued with 22 bottom of voice coil, effectively avoids the interference of the magnetic circuit system 3 and the resilient support assemblies 23, institute Magnetic circuit system 3 is stated without resilient support assemblies 23 of stepping down, the magnetic circuit system 3 can realize maximization structure, effectively increase institute State the acoustical behavior of microphone device 100.
Please in combination with shown in Fig. 6-11, in present embodiment, the resilient support assemblies 23 surround a hollow area jointly Domain 230, the voice coil 22 are located in 230 range of hollow region far from one end of the vibrating diaphragm 21;Preferably, the elasticity branch Support component 23 includes two and is located at the opposite sides of the voice coil 22, and two resilient support assemblies 23 surround described The voice coil 22 is supported in by four support frames 4 by hollow region 230, two resilient support assemblies 23 respectively The frame 1.The setting of double spring support component 23 forms symmetrical structure, more stable to the support effect of the voice coil 22, more The horizontal swing of the voice coil 22 is prevented well.
Specifically, the resilient support assemblies 23 include elastic component 231 and the auxiliary for being attached at the elastic component 231 Vibrating diaphragm 232;The frame body 41 is fixedly connected on side of the elastic component 231 far from the auxiliary vibrating diaphragm 232.
The elastic component 231 includes the first fixed arm 2311 for being fixed on the frame 1, support is fixed on adjacent two respectively Two the second fixed arms 2312 of a support frame 4 and from first fixed arm 2311 respectively to two described second Two elastic arms 2313 that fixed arm 2312 extends and forms a fixed connection.
In present embodiment, the elastic component 231 is flexible circuit board, and the voice coil 22 is electrically connected with the elastic component 231 It connects, on the one hand for providing the support to the voice coil 22, on the other hand introduces external electric signal for the voice coil 22, avoid It is the problem of being easy broken string when the voice coil 22 introduces external electric signal, to improve its reliability by lead.
The auxiliary vibrating diaphragm 232 includes the first ring 2321 of the arc-shaped structure in cross section, by first ring 2321 The opposite sides first connecting portion 2322 and second connecting portion 2323 that each extend over.
The first connecting portion 2322 is fixed on side of first fixed arm 2311 far from the vibrating diaphragm 21, and described Two interconnecting pieces 2323 are fixed on the side far from the vibrating diaphragm 21 of second fixed arm 2312, and make first ring 2321 are oppositely arranged with the elastic arm 2313.The frame body 41 be fixed on second fixed arm 2312 far from described the The side of two interconnecting pieces 2323.
Please refer to shown in Fig. 4 and Figure 10-11, in present embodiment, it is preferred that with the voice coil 22 be in band fillet Rectangular configuration for be illustrated, the support frame 4 include four, four support frames 4 are located at the sound The position of four fillets of circle 22.At this point, the settable magnet steel in the two sides of the short axle of the voice coil 22 and the two sides of long axis, can fill Divide for designing magnetic steel structure, to increase the volume of the magnetic circuit system 3 to improve its magnetic field performance.
The magnetic circuit system 3 includes magnetic yoke 31, is fixed on the main magnet steel 32 of the magnetic yoke 31 and is respectively separated and be set to 32 opposite sides of main magnet steel and the two first secondary magnet steel 33 that the magnetic gap 30 is formed with the main magnet steel 32;Two Described first secondary magnet steel 33 is located between two resilient support assemblies 23.At this point, there are three magnetic for the tool of magnetic circuit system 3 Steel can set three magnetic steel magnetic circuits for the magnetic circuit system 3, also may be used in practical application according to the demand of optimization design The magnetic circuit system 3 is further optimized for five magnetic steel magnetic circuits.
When the magnetic circuit system 3 is three magnetic steel magnetic circuit, illustrate so that the voice coil 22 is rounded rectangular configuration as an example, Two the described first secondary magnet steel 33 are located at the two sides of the long axis of the voice coil 22, and two resilient support assemblies 23 are located at described The two sides of the short axle of voice coil 22.At this point, the three magnetic steel magnetic circuits structure makes the driveability of the magnetic circuit system 3 excellent, to make The acoustical behavior for obtaining the microphone device 100 is good.
When the magnetic circuit system 3 is five magnetic steel magnetic circuit, for example, in the present embodiment, in order to further efficiently use Space, reinforces the volume of the magnetic circuit system 3, and the magnetic circuit system 3 further includes being respectively separated to be set to the main magnet steel 32 separately The secondary magnet steel 34 of two second of outer opposite sides;Each described second secondary magnet steel 34 is located at the same elastic component ipsilateral with it Between two of 231, second fixed arm 2312.
Further, illustrate so that the voice coil 22 is rounded rectangular configuration as an example, two the described first secondary magnet steel 33 Positioned at the two sides of the long axis of the voice coil 22, two resilient support assemblies 23 are located at the two sides of the short axle of the voice coil 22, Two second secondary magnet steel 34 are located at the two sides of the short axle of the voice coil 22, and each described second secondary magnet steel 34 positioned at Between its ipsilateral resilient support assemblies 23 and the voice coil 22.At this point, the driveability of the five magnetic steel magnetic circuits structure is more By force, so that the vibrating effect of the microphone device 100 is more excellent.
Preferably, the described second secondary magnet steel 34 includes magnet steel ontology 341 and the long axis both ends by the magnet steel ontology 341 The magnet steel reinforcement part 342 to be formed is each extended over, each magnet steel reinforcement part 342 extends respectively to the corresponding support frame Between 4 frame body 41 and the voice coil 22;More preferably, the auxiliary vibrating diaphragm 232 is equipped with by it close to voice coil 22 The recessing groove 2320 that one side is recessed to 1 direction of frame, the magnet steel ontology 341 extend in the recessing groove 2320.It is logical Being equipped with for the magnet steel ontology 341 and the magnet steel reinforcement part 342 and the recessing groove 2320 is crossed, ensure that described second While the magnetic property of secondary magnet steel 34, certain allow is formed between the described second secondary magnet steel 34 and the resilient support assemblies 23 Bit space, the elastic component 231 be partially housed in it is described allow in bit space, the as described elastic component 231 increases cabling space, To discharge the design of the elastic component 231, increase the length of the elastic arm 2313 so that the elastic component 231 can It is stronger by property, so that the vibration of the auxiliary sound film 232 is more stable.
In order to further increase the performance of magnetic circuit system 3, more preferably, keep the magnetic line of force of the magnetic circuit system 3 as more as possible Cut by the voice coil 22, to form bigger driving force, the magnetic circuit system 3 further includes upper clamp plate 35 and is covered on The main pole core 36 of the main magnet steel, the upper clamp plate 35 include being fixed on the fixed ring 351 annular in shape of frame 1 and by described solid Determine four consequent pole cores 352 that ring 351 extends to the described first secondary magnet steel 33 and the second secondary magnet steel 34 respectively, four pairs Pole piece 352 is stacked at the described first secondary magnet steel 33 and the second secondary magnet steel 34 respectively, the consequent pole core 352 respectively with it is corresponding The described first secondary magnet steel 33 or the second secondary magnet steel 34 shape matching.Pass through the main pole core 36 and the consequent pole core 352 setting, so that the magnetic line of force of the magnetic circuit system 3 is more concentrated, so that the magnetic property of the magnetic circuit system 3 is more It is excellent, and then further improve the acoustical behavior of the microphone device.
Please in combination with shown in Fig. 3-4, in present embodiment, the vibrating diaphragm 21 includes the upper sound for being fixed on the frame 1 Film 211 and the top dome 212 for being fixed on the upper sound film;The upper sound film 211 includes the second ring 2111, by described second The first fixed part 2112 and the second fixed part 2113 and fixed by described first that the opposite sides of ring 2111 each extends over Portion 2112 bends the vertical wall 2114 extended to the direction close to the frame 1;First fixed part 2112 is fixed on described The lateral wall of one end of frame 1, the vertical wall 2114 and the frame 1 forms gluing, and the top dome 212 is fixed on described Second fixed part 2113, the voice coil 22 are glued at side of second fixed part 2113 far from the top dome 212.Described Gluing glue closes between one fixed part 2112 and the frame 1, by the setting of the vertical wall 2114, so that the vertical wall Certain gap is formed between 2114 and the lateral wall of the frame 1, it is more between first fixed part 2112 and the frame 1 Remaining glue is flowed into the gap, thus realize prevent glue overflow effect so that the vibrating diaphragm 21 with it is described The adhesion effect of frame 1 more preferably so that the reliability of the microphone device 100 is higher.
Compared with the relevant technologies, the microphone device of the utility model, the voice coil is fixedly connected on the vibrating diaphragm, the branch Support bone frame is arranged close to one end of the vibrating diaphragm and the vibrating diaphragm interval, one end and the resilient support far from the vibrating diaphragm Component connection, the support frame further includes supporting walls, and the side of the voice coil, the support are fixed in the supporting walls fitting Skeleton is to the horizontal swing by the voice coil resilient suspension below the vibrating diaphragm, when on the one hand realizing to the voice coil vibrations Inhibition, improve its stability;On the other hand the limit when resilient support assemblies are directly connected to voice coil to voice coil is eliminated System, voice coil height are no longer limited by resilient support assemblies, and microphone device whole height can design more frivolous;It eliminates simultaneously Limitation to the design of magnetic circuit system, resilient support assemblies are not direct glued with voice coil bottom, and magnetic circuit system is without bullet of stepping down Property support component, magnetic circuit system can realize maximized more three magnetic circuits of magnet steel or five magnetic structures, effectively increase the sounding The acoustical behavior of device.
Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical Novel protection scope.

Claims (14)

1. a kind of microphone device comprising frame and be individually fixed in the vibrational system of the frame and the magnetic with magnetic gap Road system;The vibrational system includes the vibrating diaphragm for being fixed on the frame, is inserted in the magnetic gap to drive the vibrating diaphragm to shake It moves the voice coil of sounding and is fixed on the frame and resilient support assemblies opposite and spaced with the vibrating diaphragm, feature It is, the microphone device further includes support frame;The voice coil is fixedly connected on the vibrating diaphragm, and the support frame is close to institute The one end and the vibrating diaphragm interval for stating vibrating diaphragm are arranged, and one end far from the vibrating diaphragm is connect with the resilient support assemblies, institute State support frame fitting and be fixed on the side of the voice coil, the support frame to by the voice coil resilient suspension in the vibration Below film.
2. microphone device according to claim 1, which is characterized in that the resilient support assemblies surround a hollow area jointly Domain, the voice coil are located within the scope of the hollow region far from one end of the vibrating diaphragm.
3. microphone device according to claim 1, which is characterized in that the support frame includes being separated by one with the voice coil The frame body of set a distance and the supporting walls extended to form by frame body bending;The frame body is fixedly connected on institute Resilient support assemblies are stated, the supporting walls are attached at the side of the voice coil.
4. microphone device according to claim 3, which is characterized in that the support frame includes four, and the voice coil is Rounded rectangular configuration, four support frames are located at the position of four fillets of the voice coil.
5. microphone device according to claim 3, which is characterized in that the resilient support assemblies include two and difference position In the opposite sides of the voice coil, each resilient support assemblies include elastic component and the auxiliary for being attached at the elastic component Vibrating diaphragm;The frame body is fixedly connected on side of the elastic component far from the auxiliary vibrating diaphragm.
6. microphone device according to claim 5, which is characterized in that the elastic component includes be fixed on the frame One fixed arm, respectively support are fixed on two the second fixed arms of the two neighboring support frame and are fixed by described first Two elastic arms that arm extends and forms a fixed connection to two second fixed arms respectively;The auxiliary vibrating diaphragm includes cross section First ring of arc-shaped structure and the first connecting portion each extended over by the opposite sides of first ring and second connect Socket part, the first connecting portion are fixed on the side of first fixed arm far from the vibrating diaphragm, each second connecting portion It is fixed on the side far from the vibrating diaphragm of second fixed arm ipsilateral with it, and makes first ring and the elastic arm It is oppositely arranged;The frame body is fixed on the side far from the second connecting portion of second fixed arm.
7. microphone device according to claim 6, which is characterized in that the elastic component is soft to be electrically connected with the voice coil Property wiring board.
8. microphone device according to claim 6, which is characterized in that the magnetic circuit system include magnetic yoke, be fixed on it is described It the main magnet steel of magnetic yoke and is respectively separated and is set to the main magnet steel opposite sides and forms the magnetic gap with the main magnet steel Two first secondary magnet steel;Two the described first secondary magnet steel are located between two resilient support assemblies.
9. microphone device according to claim 8, which is characterized in that the voice coil be rounded rectangular configuration, two Described first secondary magnet steel is located at the two sides of the long axis of the voice coil, and two resilient support assemblies are located at the short axle of the voice coil Two sides.
10. microphone device according to claim 8, which is characterized in that the magnetic circuit system further includes being respectively separated setting In two second secondary magnet steel of the main other opposite sides of magnet steel;Each second secondary magnet steel is located at ipsilateral with it same Between second fixed arm of two of the elastic component.
11. microphone device according to claim 10, which is characterized in that the voice coil be rounded rectangular configuration, two A described first secondary magnet steel is located at the two sides of the long axis of the voice coil, and two resilient support assemblies are located at the short of the voice coil The two sides of axis, two the described second secondary magnet steel are located at the two sides of the short axle of the voice coil, and each described second secondary magnet steel is located at Between the resilient support assemblies ipsilateral with it and the voice coil.
12. microphone device according to claim 11, which is characterized in that the second secondary magnet steel include magnet steel ontology and by The long axis both ends of the magnet steel ontology each extend over the magnet steel reinforcement part to be formed, and each magnet steel reinforcement part extends respectively to pair Between the frame body and the voice coil of the support frame answered.
13. microphone device according to claim 12, which is characterized in that the auxiliary vibrating diaphragm is equipped with by it close to the one of voice coil The recessing groove of the lateral frame direction recess, the magnet steel ontology extend in the recessing groove.
14. microphone device according to claim 13, which is characterized in that the magnetic circuit system further includes upper clamp plate and lid Set on the main pole core of the main magnet steel, the upper clamp plate includes being fixed on the fixed ring annular in shape of frame and by the fixed ring The four consequent pole cores extended respectively to the described first secondary magnet steel and the second secondary magnet steel, four consequent pole cores are stacked at respectively The first secondary magnet steel and the second secondary magnet steel, and the consequent pole core respectively with corresponding described first secondary magnet steel or described the The shape of second mate's magnet steel matches.
CN201821622803.0U 2018-09-30 2018-09-30 Microphone device Withdrawn - After Issue CN208924469U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109348371A (en) * 2018-09-30 2019-02-15 瑞声科技(新加坡)有限公司 Microphone device
CN109862477A (en) * 2018-12-29 2019-06-07 瑞声科技(新加坡)有限公司 Microphone device
CN110351639A (en) * 2019-06-26 2019-10-18 瑞声科技(新加坡)有限公司 A kind of loudspeaker
CN111641905A (en) * 2020-06-15 2020-09-08 瑞声科技(新加坡)有限公司 Sound production device
WO2021000082A1 (en) * 2019-06-29 2021-01-07 瑞声声学科技(深圳)有限公司 Sound generation device
CN112468940A (en) * 2020-11-30 2021-03-09 瑞声新能源发展(常州)有限公司科教城分公司 Sound production device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109348371A (en) * 2018-09-30 2019-02-15 瑞声科技(新加坡)有限公司 Microphone device
CN109862477A (en) * 2018-12-29 2019-06-07 瑞声科技(新加坡)有限公司 Microphone device
CN109862477B (en) * 2018-12-29 2021-05-14 瑞声科技(新加坡)有限公司 Sound production device
CN110351639A (en) * 2019-06-26 2019-10-18 瑞声科技(新加坡)有限公司 A kind of loudspeaker
WO2021000082A1 (en) * 2019-06-29 2021-01-07 瑞声声学科技(深圳)有限公司 Sound generation device
CN111641905A (en) * 2020-06-15 2020-09-08 瑞声科技(新加坡)有限公司 Sound production device
CN112468940A (en) * 2020-11-30 2021-03-09 瑞声新能源发展(常州)有限公司科教城分公司 Sound production device

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