CN208638684U - Microphone device - Google Patents

Microphone device Download PDF

Info

Publication number
CN208638684U
CN208638684U CN201821294661.XU CN201821294661U CN208638684U CN 208638684 U CN208638684 U CN 208638684U CN 201821294661 U CN201821294661 U CN 201821294661U CN 208638684 U CN208638684 U CN 208638684U
Authority
CN
China
Prior art keywords
microphone
leakage
frame
accommodating space
breathable barrier
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.)
Active
Application number
CN201821294661.XU
Other languages
Chinese (zh)
Inventor
张古清
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 CN201821294661.XU priority Critical patent/CN208638684U/en
Application granted granted Critical
Publication of CN208638684U publication Critical patent/CN208638684U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of microphone device, including with accommodating space frame, be fixed on the frame vibrational system and magnetic circuit system, set on the leakage structure of the frame;The frame includes the side wall for surrounding the accommodating space, the accommodating space includes the first cavity and the second cavity, the leakage structure includes running through the leakage path of the side wall and being fixed on the side wall and cover completely to set breathable barrier of the leakage path far from the accommodating space side, the breathable barrier includes the metal mesh made of metal material and the glue-line for being attached at the metal mesh, and the breathable barrier is fixed on the side wall by the glue-line.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 electroacoustic conversion art more particularly to a kind of acoustical generators for applying to portable electronic product Part.
[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 includes frame, the vibrational system for being fixed on frame and the driving vibrational system The magnetic circuit system of vibration sounding, the leakage path through frame setting and lid set the ventilative isolation of the leakage path Part.
However, the breathable barrier is made of the screen cloth and standby glue of PET material in the microphone device of the relevant technologies, by It is relatively soft in the breathable barrier of such structure, it is difficult to take off from base stock during automatic patch, causes assembly inconvenient;Simultaneously The breathable barrier outer dimension tolerance is larger, the blocking leakage path is easy under the fixed form, to reduce institute State the reliability of microphone device.
Therefore, it is really necessary to provide a kind of new microphone device solution above-mentioned technical problem.
[utility model content]
The purpose of the utility model is to overcome above-mentioned technical problem, provide that a kind of acoustical behavior is excellent and the sounding of good reliability Device.
The utility model provides a kind of microphone device, including with accommodating space frame, be contained in the accommodating space And it is individually fixed in the vibrational system and magnetic circuit system of the frame, the microphone device further includes letting out in the frame Drain structure, the frame include the side wall for surrounding the accommodating space, and the leakage structure includes the leakage through the side wall Channel and be covered on breathable barrier of the leakage path far from the accommodating space side, the breathable barrier include by Metal mesh made of metal material and the glue-line for being attached at the metal mesh, the breathable barrier are fixed on by the glue-line The side wall.
Preferably, the breathable barrier is made of stainless steel material.
Preferably, the vibrational system includes the vibrating diaphragm for being fixed on the frame and the sound for driving the diaphragm oscillations sounding Circle, the accommodating space include positioned at first cavity of the vibrating diaphragm far from the voice coil side and being located at the vibrating diaphragm direction Second cavity of the voice coil side, the leakage path are connected to second cavity.
Preferably, the side wall includes two the first side walls being oppositely arranged and two second sidewalls being oppositely arranged, institute The length for stating the first side wall is greater than the length of the second sidewall, and the leakage structure is set to the first side wall.
Preferably, the first side wall is equipped with from its outside to inward side to the container of recess, and the leakage path is certainly The receiving trench bottom is simultaneously arranged along the recess direction of the container through the first side wall, and the breathable barrier is fixed It is contained in the container.
Preferably, the leakage path includes the through hole set on the receiving trench bottom, and the through hole is along the receipts The projection in the recess direction of tank is in rectangle.
Preferably, the through hole at least two.
It preferably, include two leakage structures in the frame, two leakage structures are respectively arranged on two institutes State the first side wall.
Preferably, two leakage structure face settings.
Compared with the relevant technologies, the breathable barrier that the microphone device of the utility model uses is by metal mesh and standby glue group At the metal mesh uses stainless steel or other metal materials, and intensity is high, is conducive to dress patch;Outer dimension tolerance is smaller under this structure, Positioning is more quasi-, facilitates automated production;The breathable barrier is made to be fixed on side wall by pasting tooling mode automatically, the knot Structure makes the breathable barrier outer dimension and automatic patch tooling no-float and it is avoided to block the leakage path, thus Improve the reliability of the 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 loudspeaker enclosure;
Fig. 2 is the part isometric structural decomposition diagram of the utility model loudspeaker enclosure.
Fig. 3 is loudspeaker enclosure in Fig. 1 along the sectional view of line A-A;
Fig. 4 is the stereochemical structure sectional view of the utility model loudspeaker enclosure.
[specific embodiment]
Below in conjunction with Fig. 1-Fig. 4 in the utility model embodiment, to the technical scheme in the embodiment of the utility model It is clearly and completely described, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than complete The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work All other embodiment obtained is put, is fallen within the protection scope of the utility model.
Please refer to Fig. 1-2, the utility model provides a kind of microphone device 100, including the basin with accommodating space 200 Frame 1 is contained in the accommodating space 200 and is individually fixed in the vibrational system 2 and magnetic circuit system 3 of the frame 1, and is set to Leakage structure 4 in the frame 1.
The frame 1 includes the side wall 11 for surrounding the accommodating space 200.In present embodiment, the frame 1 is in rectangle Structure, the side wall 11 includes two the first side walls 111 being oppositely arranged and two second sidewalls 112 being oppositely arranged, described The first side wall 111 and the second sidewall 112 surround the frame 1 jointly, and the length of the first side wall 111 is greater than described the The length of two side walls 112.
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 generates magnetic field and 2 collective effect of vibrational system, drives institute by the magnetic circuit system 3 State 2 vibration sounding of vibrational system.The magnetic circuit system 3 include be fixed on the frame 1 magnetic bowl 31 and receiving be fixed on it is described The magnet steel 32 of magnetic bowl 31, the magnet steel 32 form magnetic gap (not labeled) with the setting of the magnetic bowl 31 interval, and the voice coil 22 is inserted And if being suspended in the magnetic gap.
The accommodating space 200 include positioned at first cavity 201 of the vibrating diaphragm 21 far from 22 side of voice coil and Positioned at the vibrating diaphragm 21 towards the second cavity 202 of 22 side of voice coil, second cavity 202 is i.e. for generating all-bottom sound Learn the sounding back cavity of performance.
As shown in Figure 3 and Figure 4, the leakage structure 4 includes being connected to through the side wall 11 and with second cavity 202 Leakage path 41 and be covered on breathable barrier 42 of the leakage path 41 far from 200 side of accommodating space.It is described Second cavity 202 is in communication with the outside by leakage path 41, for balancing 100 inside of microphone device and external sound Weighing apparatus is flattened, the shape of the leakage path 41 is unlimited.
It include two leakage structures 4 in frame 1 described in second sidewall, in present embodiment, two leakages are tied Structure 4 is respectively arranged on two the first side walls 111, that is, is set on the longer side wall of the frame 1.Certainly, the frame 1 structure is not limited to rectangle, and it is also feasible that the leakage structure 4, which is arranged in second sidewall 112,.In order to make sound pressure equalisation Effect is more stable, makes two 4 face of leakage structure settings.
The breathable barrier 42 obstructs object for vent flow, and the breathable barrier 42 includes being made of metal material Metal mesh (not shown) and be attached at the glue-line (not shown) of the metal mesh, the breathable barrier 42 passes through the glue-line It is fixed on the side wall 11;The frequency acoustic to the microphone device 100 is realized by the setting of the breathable barrier 42 The improvement of performance.
In present embodiment, the breathable barrier 42 is made up of stainless steel material, and the breathable barrier 42 passes through Be sticked the glue-line and the side wall 11 formation fixation, and it is askew which be not likely to produce the breathable barrier 42 Tiltedly and it can effectively avoid its blocking leakage path 41, to improve the reliability of the microphone device 100.On moreover, The leakage structure 4 for stating structure, which has, utilizes realization automated production.
Lead to specifically, the breathable barrier 42 is sticked to be fixed on the first side wall 111 and the leakage is completely covered Road 41.The first side wall 111 is equipped with from its outside to inward side to the container of recess 1111, and the leakage path 41 is from institute It states 1111 bottom of container and is arranged along the recess direction of the container 1111 through the first side wall 111, it is described ventilative The fixation of separator 42 is contained in the container 1111.Further, the leakage path 41 includes being set to the container The through hole 411 of 1111 bottoms, projection of the through hole 411 along the recess direction of the container 1111 is in rectangle, at this In embodiment, the through hole 411 is two.The structure make 42 fixed effect of breathable barrier more preferable and woth no need to The additional volume of the microphone device 100 is occupied, aesthetic appearance is good.In other embodiments, the through hole 411 can be One, can also more than two, the through hole 411 along be the container 1111 recess direction projection can also it is rounded, The other shapes such as triangle.
Compared with the relevant technologies, the breathable barrier that the microphone device of the utility model uses is by metal mesh and standby glue group At the metal mesh uses stainless steel or other metal materials, and intensity is high, is conducive to dress patch;Outer dimension tolerance is smaller under this structure, Positioning is more quasi-, facilitates automated production;The breathable barrier is made to be fixed on side wall by pasting tooling mode automatically, the knot Structure makes the breathable barrier outer dimension and automatic patch tooling no-float and it is avoided to block the leakage path, thus Improve the reliability of the microphone device.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other relevant technical fields, are also included in the patent protection scope of the utility model.

Claims (9)

1. a kind of microphone device comprising there is the frame of accommodating space, be contained in the accommodating space and be individually fixed in institute State the vibrational system and magnetic circuit system of frame, which is characterized in that the microphone device further includes the leakage in the frame Structure, the frame include the side wall for surrounding the accommodating space, the leakage structure include through the side wall leakage it is logical Road and it is covered on breathable barrier of the leakage path far from the accommodating space side, the breathable barrier includes by gold Belong to metal mesh made of material and be attached at the glue-line of the metal mesh, the breathable barrier is fixed on institute by the glue-line State side wall.
2. microphone device according to claim 1, which is characterized in that the breathable barrier is made of stainless steel material.
3. microphone device according to claim 1, which is characterized in that the vibrational system includes being fixed on the frame Vibrating diaphragm and the voice coil for driving the diaphragm oscillations sounding, the accommodating space include being located at the vibrating diaphragm far from the voice coil side The first cavity and positioned at the vibrating diaphragm towards the second cavity of the voice coil side, the leakage path connection described second Cavity.
4. microphone device according to claim 1, which is characterized in that the side wall includes two the first sides being oppositely arranged Wall and two second sidewalls being oppositely arranged, the length of the first side wall are greater than the length of the second sidewall, the leakage Structure setting is in the first side wall.
5. microphone device according to claim 4, which is characterized in that the first side wall is equipped with by its outside to inward side To the container of recess, the leakage path is from the receiving trench bottom and along the recess direction of the container through described the One side wall setting, the breathable barrier fixation are contained in the container.
6. microphone device according to claim 5, which is characterized in that the leakage path includes being set to the container bottom The through hole in portion, projection of the through hole along the recess direction of the container is in rectangle.
7. microphone device according to claim 6, which is characterized in that the through hole at least two.
8. microphone device according to claim 4, which is characterized in that it include two leakage structures in the frame, Two leakage structures are respectively arranged on two the first side walls.
9. microphone device according to claim 8, which is characterized in that two leakage structure face settings.
CN201821294661.XU 2018-08-10 2018-08-10 Microphone device Active CN208638684U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821294661.XU CN208638684U (en) 2018-08-10 2018-08-10 Microphone device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821294661.XU CN208638684U (en) 2018-08-10 2018-08-10 Microphone device

Publications (1)

Publication Number Publication Date
CN208638684U true CN208638684U (en) 2019-03-22

Family

ID=65741816

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821294661.XU Active CN208638684U (en) 2018-08-10 2018-08-10 Microphone device

Country Status (1)

Country Link
CN (1) CN208638684U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110366073A (en) * 2019-06-03 2019-10-22 瑞声科技(新加坡)有限公司 Microphone device
CN112261552A (en) * 2020-09-30 2021-01-22 瑞声新能源发展(常州)有限公司科教城分公司 Sound production device, loudspeaker box and integrated hot press molding method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110366073A (en) * 2019-06-03 2019-10-22 瑞声科技(新加坡)有限公司 Microphone device
CN110366073B (en) * 2019-06-03 2021-06-15 瑞声科技(新加坡)有限公司 Sound production device
CN112261552A (en) * 2020-09-30 2021-01-22 瑞声新能源发展(常州)有限公司科教城分公司 Sound production device, loudspeaker box and integrated hot press molding method
CN112261552B (en) * 2020-09-30 2021-12-24 瑞声新能源发展(常州)有限公司科教城分公司 Sound production device, loudspeaker box and integrated hot press molding method
WO2022067989A1 (en) * 2020-09-30 2022-04-07 瑞声声学科技(深圳)有限公司 Sound generation device, loudspeaker box, and integrated hot-press forming method

Similar Documents

Publication Publication Date Title
WO2021138952A1 (en) Loudspeaker box
CN207869352U (en) Microphone device
CN206181361U (en) Loudspeaker box
CN208638684U (en) Microphone device
CN209659598U (en) Loudspeaker
CN209390330U (en) A kind of loudspeaker
JP2017212713A (en) speaker
CN109218927A (en) Sounding device
CN209390336U (en) A kind of loudspeaker
CN205356670U (en) Mini loudspeaker
CN106162459A (en) Loudspeaker enclosure and there is the electronic equipment of this loudspeaker enclosure
CN109040926A (en) Microphone device and portable terminal
CN109587604A (en) Loudspeaker and its assemble method
CN208386918U (en) Loudspeaker and portable terminal
CN206908833U (en) Minitype acoustic generator
WO2020098429A1 (en) Electro-acoustic generator
CN203574851U (en) Loudspeaker module
CN205491103U (en) Micro loudspeaker
CN208638687U (en) Microphone device
CN206542566U (en) Microphone device
CN207926912U (en) Loudspeaker enclosure
CN201854412U (en) Miniature moving coil type electro-acoustic transducer
CN206389547U (en) Loudspeaker enclosure
CN205213036U (en) Loudspeaker
CN210093517U (en) Loudspeaker box

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant