CN109547898A - Microphone device - Google Patents

Microphone device Download PDF

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Publication number
CN109547898A
CN109547898A CN201811162947.7A CN201811162947A CN109547898A CN 109547898 A CN109547898 A CN 109547898A CN 201811162947 A CN201811162947 A CN 201811162947A CN 109547898 A CN109547898 A CN 109547898A
Authority
CN
China
Prior art keywords
frame
fixed
vibrating diaphragm
microphone
connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811162947.7A
Other languages
Chinese (zh)
Inventor
宋威
张帆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Pte Ltd
Original Assignee
AAC Technologies Pte Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AAC Technologies Pte Ltd filed Critical AAC Technologies Pte Ltd
Priority to CN201811162947.7A priority Critical patent/CN109547898A/en
Publication of CN109547898A publication Critical patent/CN109547898A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/16Mounting or tensioning of diaphragms or cones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/025Magnetic circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/04Construction, mounting, or centering of coil
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

Abstract

The present invention discloses a kind of microphone device comprising frame, vibrational system, magnetic circuit system and resilient support assemblies;Vibrational system includes the voice coil for being fixed on the vibrating diaphragm and driving diaphragm oscillations sounding of frame;Magnetic circuit system includes the magnetic bowl for being fixed on frame and the magnet steel being contained in magnetic bowl, magnetic bowl includes bottom wall, the side wall extended from the bottom wall periphery and connection wall from the bottom wall to the frame that extend from, the connection wall is fixed on one end far from the vibrating diaphragm of the frame, the magnetic circuit system is supported in the frame, and the connection wall and the resilient support assemblies are along direction of vibration interval;One end far from the vibrating diaphragm of the frame is fixed in described resilient support assemblies one end, and the other end is fixed on the vibrational system, and the resilient support assemblies are arranged around the side wall and are spaced apart from each other with the side wall.Compared with the relevant technologies, microphone device good reliability of the invention and acoustical behavior is excellent.

Description

Microphone device
[technical field]
The present invention relates to electroacoustic conversion art 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.Currently, the function of mobile phone is extremely various, one of them is just It is the music function of high-quality, therefore, the microphone device for playing sound is widely applied Intelligent mobile equipment till now Among.
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 acoustics of the microphone device is improved.
Therefore, it is really necessary to provide a kind of new microphone device solution above-mentioned technical problem.
[summary of the invention]
The purpose of the present invention is overcoming above-mentioned technical problem, a kind of good reliability and the good acoustical generator of acoustical behavior are provided Part.
To achieve the goals above, the present invention provides a kind of microphone device comprising frame is individually fixed in the frame Vibrational system and magnetic circuit system and resilient support assemblies;The vibrational system includes being fixed on vibrating diaphragm and the drive of the frame Move the voice coil of the diaphragm oscillations sounding;The magnetic circuit system includes being fixed on the magnetic bowl of the frame and being contained in the magnetic bowl Interior magnet steel, the magnetic bowl include bottom wall, from the bottom wall periphery to the vibrational system direction bending extend side wall and The connection wall extended from the bottom wall to the frame, the magnet steel is fixed on the bottom wall, between the magnet steel and the side wall Every forming magnetic gap, the voice coil is inserted in the magnetic gap, and the connection wall is fixed on the separate vibrating diaphragm of the frame One end, the magnetic circuit system is supported in the frame, and the connection wall and the resilient support assemblies are along vibrating Direction interval;One end far from the vibrating diaphragm of the frame is fixed in described resilient support assemblies one end, and the other end is fixed In the vibrational system, and the resilient support assemblies are arranged around the side wall and are spaced apart from each other with the side wall.
Preferably, separate described vibrating diaphragm one end of the frame protrudes to form fixing lug boss, and the connection wall is fixed on institute State fixing lug boss.
Preferably, the resilient support assemblies include being fixed on annular in shape elasticity of the frame far from described vibrating diaphragm one end Part, the auxiliary vibrating diaphragm and skeleton annular in shape far from the frame side for being attached at the elastic component, described skeleton one end It is connected to the elastic component, the other end is connected to the vibrating diaphragm.
Preferably, the framework ring is arranged around the side wall and is spaced apart from each other with the side wall.
Preferably, the elastic component include the first fixed arm that is annular in shape and being fixed on the frame, it is annular in shape and with institute The elastic arm of spaced second fixed arm of the first fixation wall and connection first fixed arm and second fixed arm is stated, The skeleton is connect with second fixation wall;The auxiliary vibrating diaphragm includes the ring of the arc-shaped structure in cross section, by the folding The first connecting portion and second connecting portion that ring opposite sides each extends over, the first connecting portion and second connecting portion difference It is fixed on the side far from the vibrating diaphragm of first fixed arm and second fixed arm, and makes the ring and the bullet Arm is oppositely arranged.
Preferably, the elastic component and the auxiliary vibrating diaphragm are equipped with the recessing groove through thereon, and the fixing lug boss is worn If the recessing groove extends.
Preferably, the elastic component is flexible circuit board.
Preferably, the connection wall includes four and is divided into the opposite sides of the bottom wall, and the fixing lug boss is set There are four and divide equally in the opposite sides of the frame, the fixing lug boss is fixed in each connection wall extension.
Preferably, the fixing lug boss is protruded to form faceplate far from one end of the frame, the separate institute of the connection wall The one end for stating bottom wall is recessed to form card slot, and the faceplate is fixed in the card slot.
Compared with prior art, the frame is fixed in described resilient support assemblies one end by microphone device of the invention One end far from the vibrating diaphragm, the other end is fixed on the vibrational system, and the resilient support assemblies are around the side wall It is arranged and is spaced apart from each other with the side wall;The magnetic bowl sets the connection wall extended from the bottom wall to the frame, the connection Wall is fixed on one end far from the vibrating diaphragm of the frame, the magnetic circuit system is supported in the frame, and it is described Along direction of vibration interval, above structure, the magnetic bowl is supported by the connection wall for connection wall and the resilient support assemblies In frame, the resilient support assemblies are effectively avoided, so that the design of the magnetic circuit system is not by the resilient support group The limitation of part effectively increases the acoustical behavior of the microphone device and reliable to realize the maximization design of magnetic circuit system Property.
[Detailed description of the invention]
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing, in which:
Fig. 1 is the schematic perspective view of microphone device of the present invention;
Fig. 2 is another view stereo structural schematic diagram of microphone device of the present invention;
Fig. 3 is the stereochemical structure exploded view of microphone device of the present invention;
Fig. 4 is the cut-away view of the line A-A along Fig. 1;
Fig. 5 is magnified partial view shown in B in Fig. 4.
[specific embodiment]
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.
Please refer to shown in Fig. 1-3, the present invention provides a kind of microphone device 100 comprising frame 1 is individually fixed in The vibrational system 2 and magnetic circuit system 3 and resilient support assemblies 4 of the frame 1.
The vibrational system 2 includes the vibrating diaphragm 21 for being fixed on the frame 1 and the sound for driving 21 vibration sounding of vibrating diaphragm Circle 22.
The magnetic circuit system 3 includes the magnetic bowl 31 for being fixed on the frame 1 and the magnet steel 32 being contained in the magnetic bowl 31.
What the magnetic bowl 31 extended including bottom wall 311, from 311 periphery of bottom wall to 2 direction of vibrational system bending Side wall 312 and the connection wall 313 extended from the bottom wall 311 to the frame 1.
The magnet steel 32 is fixed on the bottom wall 311, and the magnet steel 32 forms magnetic gap 33 with the side wall 312 interval, The voice coil 22 is inserted in the magnetic gap 33, to drive 21 vibration sounding of vibrating diaphragm.The connection wall 313 is fixed on institute One end far from the vibrating diaphragm 21 for stating frame 1, the magnetic circuit system 3 is supported in the frame 1.
In present embodiment, specifically, the connection wall 313 includes four and is divided into the opposite of the bottom wall 311 Two sides.Certainly, the quantity of the connection wall 313 is without being limited thereto.
Please in combination with shown in Fig. 4-5, the separate vibration of the frame 1 is fixed in described 4 one end of resilient support assemblies One end of film 21, the other end is fixed on the vibrational system 2, and the resilient support assemblies 4 are arranged around the side wall 312 And it is spaced apart from each other with the side wall 312.Meanwhile the connection wall 313 and the resilient support assemblies 4 are along direction of vibration interval, On the one hand the structure passes through institute's connection wall 313 and the magnetic circuit system 3 is supported in the frame 1, on the other hand the connection wall 313 form evacuation with the resilient support assemblies 4, avoid and interfere, so that the design of the magnetic circuit system 3 is not by described The limitation of resilient support assemblies 4 effectively increases the microphone device 100 to realize the maximization design of magnetic circuit system 3 Acoustical behavior and reliability.
More preferably, separate described 21 one end of vibrating diaphragm of the frame 1 protrudes to form fixing lug boss 11, the connection wall 313 It is fixed on the fixing lug boss 11.The structure makes the connection wall 313 bigger apart from the distance of the bottom end of the frame 1, i.e., So that the connection wall 313 is avoided the resilient support assemblies 4, improves reliability.
In present embodiment, the quantity Matching of the quantity of the fixing lug boss 11 and the connection wall 313, i.e., the described fixation Boss 11 sets there are four and divides equally in the opposite sides of the frame 1, and each extension of connection wall 313 is fixed on described in one Fixing lug boss 11.
The resilient support assemblies 4 include the elastic component 41 annular in shape being fixed on frame far from described vibrating diaphragm one end, patch Set on the auxiliary vibrating diaphragm 42 and skeleton 43 annular in shape far from the frame side of the elastic component 41.
The elastic component 41 is flexible circuit board.Voice coil 22 described in present embodiment is electrically connected with the elastic component 41, On the one hand for providing the support to the voice coil 22, external electric signal on the other hand is introduced for the voice coil 22, is avoided logical Crossing lead is the problem of being easy broken string when the voice coil 22 introduces external electric signal, to improve its reliability.
Described 43 one end of skeleton is connected to the elastic component 41, and the other end is connected to the vibrating diaphragm 21, so that institute It states resilient support assemblies 4 and support is formed to the vibrating diaphragm 21, to improve the vibration performance of the vibrating diaphragm 21.
It should be noted that the skeleton 43 is not limited only to be connected to the elastic component 41, also can connect in described Vibrating diaphragm 42 is assisted, or is located in be formed between the elastic component 41 and the auxiliary vibrating diaphragm 42 and fix, this is all feasible.
Specifically, the elastic component 41 include the first fixed arm 411 that is annular in shape and being fixed on the frame 1, it is annular in shape And with spaced second fixed arm 412 of first fixation wall and connect first fixed arm and described second fixed The elastic arm 413 of arm, the skeleton 43 are connect with second fixation wall 412.
The auxiliary vibrating diaphragm 42 includes the ring 421 of the arc-shaped structure in cross section, by 421 opposite sides of ring difference The first connecting portion 422 and second connecting portion 423 of extension, the first connecting portion 422 and the second connecting portion 423 are solid respectively Due to the side far from the vibrating diaphragm 21 of first fixed arm 411 and second fixed arm 412, and make the ring 421 are oppositely arranged with the elastic arm 413.
In present embodiment, the skeleton 43 is arranged around the side wall 312 and is spaced apart from each other with the side wall 312.? That is the skeleton 43 is located at the outside of the magnet steel 31.Certainly, the skeleton 43 can also be set to the interior of the magnet steel 31 Around the skeleton 43, this is also feasible for side, i.e. side wall ring.
In order to not interfere with the fixing lug boss 11, the elastic component 41 is equipped with the auxiliary vibrating diaphragm 42 through thereon Recessing groove 44, when the resilient support assemblies 4 be connected to the frame 1 far from 21 side of vibrating diaphragm when, the fixation Boss 11 wears the recessing groove 44 and extends.
Continuing with shown in ginseng Fig. 3, in order to improve the assembly efficiency, the one end of the fixing lug boss 11 far from the frame 1 is convex Faceplate 111 is formed out, and one end far from the bottom wall 311 of the connection wall 313 is recessed to form card slot 3131, the faceplate 111 are fixed in the card slot 3131.Above structure makes the connection wall 313 form clamping, a side with the fixing lug boss 11 Face, the card slot 3131 state faceplate 111 with bundle and are equivalent to form mutual position limiting structure, improve assembly efficiency, on the other hand, the two Contact surface is big when fixed, and fixed effect can more be stablized, better reliability.
Compared with prior art, the frame is fixed in described resilient support assemblies one end by microphone device of the invention One end far from the vibrating diaphragm, the other end is fixed on the vibrational system, and the resilient support assemblies are around the side wall It is arranged and is spaced apart from each other with the side wall;The magnetic bowl sets the connection wall extended from the bottom wall to the frame, the connection Wall is fixed on one end far from the vibrating diaphragm of the frame, the magnetic circuit system is supported in the frame, and it is described Along direction of vibration interval, above structure, the magnetic bowl is supported by the connection wall for connection wall and the resilient support assemblies In frame, the resilient support assemblies are effectively avoided, so that the design of the magnetic circuit system is not by the resilient support group The limitation of part effectively increases the acoustical behavior of the microphone device and reliable to realize the maximization design of magnetic circuit system Property.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (9)

1. a kind of microphone device comprising frame and the vibrational system and magnetic circuit system for being individually fixed in the frame;The vibration Dynamic system includes the vibrating diaphragm for being fixed on the frame and the voice coil for driving the diaphragm oscillations sounding;The magnetic circuit system includes solid Magnetic bowl due to the frame and the magnet steel that is contained in the magnetic bowl, the magnetic bowl include bottom wall and from the bottom wall periphery to The side wall that the vibrational system direction bending extends, the magnet steel are fixed on the bottom wall, the magnet steel and the sidewall spacers Magnetic gap is formed, the voice coil is inserted in the magnetic gap, which is characterized in that the microphone device further includes resilient support group One end far from the vibrating diaphragm of the frame is fixed in part, described resilient support assemblies one end, and the other end is fixed on described Vibrational system, and the resilient support assemblies are arranged around the side wall and are spaced apart from each other with the side wall;The magnetic bowl also wraps The connection wall extended from the bottom wall to the frame is included, the connection wall is fixed on one far from the vibrating diaphragm of the frame End, the magnetic circuit system is supported in the frame, and the connection wall and the resilient support assemblies are along direction of vibration Interval.
2. microphone device according to claim 1, which is characterized in that the frame protrudes shape far from described vibrating diaphragm one end At fixing lug boss, the connection wall is fixed on the fixing lug boss.
3. microphone device according to claim 2, which is characterized in that the resilient support assemblies are remote including being fixed on frame Elastic component annular in shape from described vibrating diaphragm one end is attached at the annular in shape auxiliary far from the frame side of the elastic component Vibrating diaphragm and skeleton are helped, described skeleton one end is connected to the elastic component, and the other end is connected to the vibrating diaphragm.
4. microphone device according to claim 3, which is characterized in that the framework ring be arranged around the side wall and with it is described Side wall is spaced apart from each other.
5. microphone device according to claim 3, which is characterized in that the elastic component includes annular in shape and is fixed on described First fixed arm of frame, it is annular in shape and with spaced second fixed arm of first fixation wall and connect described first The elastic arm of fixed arm and second fixed arm, the skeleton are connect with second fixation wall;The auxiliary vibrating diaphragm includes cross The ring of the arc-shaped structure in section, the first connecting portion and second connecting portion each extended over by the ring opposite sides, it is described First connecting portion and the second connecting portion be individually fixed in first fixed arm and second fixed arm far from described The side of vibrating diaphragm, and it is oppositely arranged the ring with the elastic arm.
6. microphone device according to claim 5, which is characterized in that the elastic component is equipped with the auxiliary vibrating diaphragm and passes through Recessing groove thereon is worn, the fixing lug boss wears the recessing groove and extends.
7. microphone device according to claim 5, which is characterized in that the elastic component is flexible circuit board.
8. microphone device according to claim 2, which is characterized in that the connection wall includes four and is divided into described The opposite sides of bottom wall, the fixing lug boss set there are four and divide equally in the opposite sides of the frame, each connection wall The fixing lug boss is fixed in extension.
9. microphone device according to claim 2, which is characterized in that the one end of the fixing lug boss far from the frame is convex Faceplate is formed out, and one end far from the bottom wall of the connection wall is recessed to form card slot, and the faceplate is fixed on the card slot It is interior.
CN201811162947.7A 2018-09-30 2018-09-30 Microphone device Pending CN109547898A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811162947.7A CN109547898A (en) 2018-09-30 2018-09-30 Microphone device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811162947.7A CN109547898A (en) 2018-09-30 2018-09-30 Microphone device

Publications (1)

Publication Number Publication Date
CN109547898A true CN109547898A (en) 2019-03-29

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CN201811162947.7A Pending CN109547898A (en) 2018-09-30 2018-09-30 Microphone device

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Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111131977A (en) * 2020-03-05 2020-05-08 瑞声科技(新加坡)有限公司 Loudspeaker
WO2021128330A1 (en) * 2019-12-27 2021-07-01 瑞声声学科技(深圳)有限公司 Sound generation device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205320283U (en) * 2016-01-08 2016-06-15 国光电器股份有限公司 Thin speaker
CN108322869A (en) * 2018-01-24 2018-07-24 瑞声科技(新加坡)有限公司 Microphone device
EP3481087A1 (en) * 2016-05-18 2019-05-08 Tang Band Industries Co., Ltd. Radiation device and dual suspension edge loudspeaker, loudspeaker box, and application thereof
CN208924471U (en) * 2018-09-30 2019-05-31 瑞声科技(新加坡)有限公司 Microphone device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205320283U (en) * 2016-01-08 2016-06-15 国光电器股份有限公司 Thin speaker
EP3481087A1 (en) * 2016-05-18 2019-05-08 Tang Band Industries Co., Ltd. Radiation device and dual suspension edge loudspeaker, loudspeaker box, and application thereof
CN108322869A (en) * 2018-01-24 2018-07-24 瑞声科技(新加坡)有限公司 Microphone device
CN208924471U (en) * 2018-09-30 2019-05-31 瑞声科技(新加坡)有限公司 Microphone device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021128330A1 (en) * 2019-12-27 2021-07-01 瑞声声学科技(深圳)有限公司 Sound generation device
CN111131977A (en) * 2020-03-05 2020-05-08 瑞声科技(新加坡)有限公司 Loudspeaker
CN111131977B (en) * 2020-03-05 2021-02-26 瑞声科技(新加坡)有限公司 Loudspeaker

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