CN206894885U - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN206894885U CN206894885U CN201720212442.1U CN201720212442U CN206894885U CN 206894885 U CN206894885 U CN 206894885U CN 201720212442 U CN201720212442 U CN 201720212442U CN 206894885 U CN206894885 U CN 206894885U
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- CN
- China
- Prior art keywords
- voice coil
- microphone device
- fpc
- coil loudspeaker
- loudspeaker voice
- 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.)
- Expired - Fee Related
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- 230000010355 oscillation Effects 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 37
- 239000010959 steel Substances 0.000 claims description 37
- 238000003466 welding Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of microphone device, including frame and it is individually fixed in FPC, vibrational system and the magnetic circuit system of the frame, the vibrational system includes being fixed on the vibrating diaphragm of the frame and drives the voice coil loudspeaker voice coil of the diaphragm oscillations, the voice coil loudspeaker voice coil includes the voice coil leads of two mutually insulateds, and two voice coil leads are extended by the same position of the voice coil loudspeaker voice coil and electrically connected respectively with the FPC.Compared with correlation technique, microphone device acoustical behavior of the present utility model is more preferable.
Description
Technical field
Microphone device is the utility model is related to, more particularly to a kind of microphone device for applying to portable type electronic product.
Background technology
During the portable equipment fast development such as mobile phone, people are more and more stronger to the Functional Requirement of product,
Music Appreciation this function for mobile phone, in order that entertainment effect is stronger, there is the pattern of music belt vibration, by
This, the development of microphone device is also accordingly accelerated.
The microphone device of correlation technique include frame, be individually fixed in the frame vibrational system and magnetic circuit system and
The FPC (Flexible Printed Circuit, FPC) of the frame is fixed on, the vibrational system includes vibrating diaphragm
And voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil include voice coil leads, voice coil leads lead to the external power source of the microphone device by the FPC.
However, in the microphone device of correlation technique, for connecting two voice coil leads point of positive and negative electrode power supply
Opposite end not from the voice coil loudspeaker voice coil extends and electrically connected with the FPC, and said structure causes the voice coil leads and FPC
During corresponding conducting, welding inconvenience, assembling procedure complexity.
Therefore, it is necessary to providing a kind of new microphone device solves above-mentioned technical problem.
Utility model content
The purpose of this utility model is to overcome above-mentioned technical problem, there is provided a kind of good microphone device of acoustical behavior.
The utility model provides a kind of microphone device, including frame and is individually fixed in the FPC of the frame, vibration system
System and magnetic circuit system, the vibrational system include being fixed on the vibrating diaphragm of the frame and drive the voice coil loudspeaker voice coil of the diaphragm oscillations, institute
Stating magnetic circuit system includes main magnet steel, and the voice coil loudspeaker voice coil is annular in shape and around the main magnet steel periphery is located at, and the voice coil loudspeaker voice coil shakes away from described
One end of film is flexibly supported by the FPC and electrically connected with the FPC, and the voice coil loudspeaker voice coil that the voice coil loudspeaker voice coil includes two mutually insulateds draws
Line, two voice coil leads are extended by the same position of the voice coil loudspeaker voice coil and electrically connected respectively with the FPC.
Preferably, two voice coil leads each extend over to opposite both direction.
Preferably, wherein the voice coil leads extend towards close to the direction of the main magnet steel, another voice coil loudspeaker voice coil
Lead extends towards the direction away from the main magnet steel.
Preferably, the FPC includes second for being fixed on the first fixed arm of the frame, being fixedly connected with the voice coil loudspeaker voice coil
Fixed arm, the elastic arm for connecting first fixed arm and second fixed arm and the both sides difference by second fixed arm
The first weld part and the second weld part of the mutually insulated of extension, the voice coil leads are electrically connected in first weld part
With second weld part.
Preferably, the voice coil leads are electric with first weld part and second weld part respectively by spot welding mode
Connection.
Preferably, the voice coil loudspeaker voice coil is rectangular, and the voice coil leads are extended by the centre position of the voice coil loudspeaker voice coil side.
Preferably, the voice coil loudspeaker voice coil is track type voice coil loudspeaker voice coil, and the voice coil leads are from the centre on a short axle side of the voice coil loudspeaker voice coil
Position extends.
Preferably, the magnetic circuit system also includes being located at the major axis side both sides of the relatively described voice coil loudspeaker voice coil of the main magnet steel simultaneously respectively
The secondary magnet steel of setting with interval, the FPC is respectively positioned at the main magnet steel both sides relative with the short axle side of the voice coil loudspeaker voice coil, institute
The centre position for stating the close FPC of main magnet steel side is provided with the slot to make way being recessed to the center position of the main magnet steel,
First weld part is contained in the slot to make way.
Preferably, first fixed arm be arranged in parallel with second fixed arm, and the elastic arm is respectively from described first
The both ends of fixed arm extend to the opposite ends of second fixed arm, and second weld part extends from first fixed arm
Between to the elastic arm.
Preferably, the microphone device also includes being embedded at the frame and the exposed weld tabs in part, the FPC with it is described
Weld tabs fixes electrical connection.
Compared with prior art, in microphone device of the present utility model, the voice coil loudspeaker voice coil be used for connect positive and negative electrode power supply
Two voice coil leads are drawn by the same position of the voice coil loudspeaker voice coil and electrically connected with the FPC so that the voice coil leads take institute
State that functional space and the structure space of microphone device are small, and then make it that the acoustical behavior of the microphone device is more preferable, be beneficial to simultaneously
The miniaturization of the microphone device.
Brief description of the drawings
Fig. 1 is the stereochemical structure exploded view of the utility model microphone device；
Fig. 2 is Fig. 1 part isometric structural representation.
Embodiment
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Refer to Fig. 1-2, the utility model provides a kind of microphone device 100, including frame 1, is individually fixed in the basin
The vibrational system 2 and magnetic circuit system 3 of frame 1, the FPC 4 and weld tabs 5 for being fixed on the frame 1.The vibrational system 3 passes through institute
State FPC 4 and introduce power supply, the magnetic circuit system 3 produces the vibration sounding of vibrational system 2 described in field drives.
The vibrational system 2 includes the voice coil loudspeaker voice coil 22 for being fixed on the vibrating diaphragm 21 of the frame 1 and driving the vibrating diaphragm 21 to vibrate.
Voice coil loudspeaker voice coil 21 is fixed on a side-lower of the vibrating diaphragm 21 close to place magnetic circuit system 3, the described one end of voice coil loudspeaker voice coil 22 away from the vibrating diaphragm by
The FPC 4 is flexibly supported and formed with the FPC 4 and electrically connected.
The voice coil loudspeaker voice coil 22 includes the voice coil leads 221 (positive wire 221a and negative wire 221b) of two mutually insulateds,
Two voice coil leads 221 are extended by the same position of the voice coil loudspeaker voice coil 22 and electrically connected respectively with the FPC 4.
It is further preferred that two voice coil leads 221 each extend over to opposite both direction, such as respectively to institute
The inner side and outer side direction extension of voice coil loudspeaker voice coil 22 is stated, is certainly not limited to this.In present embodiment, the voice coil loudspeaker voice coil 22 is rectangular or runway
Shape, the voice coil leads 221 are extended by the centre position of the side of voice coil loudspeaker voice coil 22.
Certainly, the voice coil loudspeaker voice coil 22 or track type voice coil loudspeaker voice coil, a short axle of the voice coil leads 221 from the voice coil loudspeaker voice coil 22
The centre position extension on side.This is also feasible.
The setting of the structure causes two voice coil leads 221 to take the structure space and work(of the microphone device 100
Can space it is small, be advantageous to the lifting of the acoustical behavior of the microphone device 100, when voice coil leads 221 and FPC4 is welded during assembling
More convenient operation, packaging efficiency are higher.
The magnetic circuit system 3 is fixed on the frame 1, it include being fixed on the yoke 31 of the frame 1, be fixed on it is described
The main magnet steel 32 and secondary magnet steel 33 of yoke 31.
The voice coil loudspeaker voice coil 22 is annular in shape and around being located at the periphery of main magnet steel 32.In present embodiment, the yoke 31 is flat
Platy structure.Its certain structure not limited to this.
The secondary magnet steel 33 includes two and is located at the main opposite sides of magnet steel 32 respectively, specifically positioned at the voice coil loudspeaker voice coil
22 major axis side both sides so that the voice coil loudspeaker voice coil 22 is around being located at the periphery of main magnet steel 32.A wherein voice coil leads 221a
Extend towards close to the direction of the main magnet steel 32, another voice coil leads 221b prolongs towards the direction away from the main magnet steel 32
Stretch, certainly, the direction of two voice coil leads 221 can exchange, and this is also feasible.
The main magnet steel 32 is arranged at intervals with the secondary magnet steel 33, and shape between the main magnet steel 32 and the secondary magnet steel 33
Into magnetic gap (non-label), the voice coil loudspeaker voice coil 22 is inserted in the magnetic gap.In present embodiment, the secondary magnet steel 33 is located at institute
State the opposite sides of the major axis of main magnet steel 32.
The close FPC 4 of the main magnet steel 32 side is provided with to what the center position of the main magnet steel 32 was recessed and allowed
Position groove 321.More excellent, the slot to make way 321 is located at the centre position of the close FPC 4 of the main magnet steel 32 side.
The FPC 4 is used for bearer circuit, and it is fixed on the frame 1, and the FPC 4 includes two and is located at institute respectively
State the other opposite sides of main magnet steel 32.In present embodiment, specifically, the FPC 4 is respectively positioned at the main magnet steel 32
The opposite sides of short axle, the main reason for two FPC4 are symmetricly set on the opposite sides of voice coil loudspeaker voice coil 22 are to ensure voice coil loudspeaker voice coil 22
Vibration balancing.In other preferred embodiments of the present utility model, the side of voice coil leads 221 only can also be set in voice coil loudspeaker voice coil 22
FPC4 is set, and opposite side is hanging or is replaced with other damping piece.
The FPC 4 includes second for being fixed on the first fixed arm 41 of the frame 1, being fixedly connected with the voice coil loudspeaker voice coil 22
Fixed arm 42, the elastic arm 43 for connecting first fixed arm 41 and second fixed arm 42 and by second fixed arm 42
Both sides the first weld part 44 and the second weld part 45 of the mutually insulated that each extend over.As shown in Fig. 2 single FPC4 has axle
Symmetrical structure, its symmetry axis are parallel with the long axis direction of voice coil loudspeaker voice coil.First weld part 44 is contained in the slot to make way 321,
So that the weld part 44 is not take up the functional space of the microphone device 100.First fixed arm 41 is solid with described second
Fixed arm 42 be arranged in parallel, and the elastic arm 43 extends to second fixed arm 42 from the both ends of first fixed arm 41 respectively
Opposite ends, second weld part 45 are extended between two elastic arms 43 from the middle part of the first fixed arm 41
Two voice coil leads 221 are that the positive wire 221a and negative wire 221b is electrically connected in institute
State the first weld part 44 and second weld part 45, i.e., Yong Yu be with the positive pole and negative pole of institute voice coil line 221.
Specifically, in present embodiment, the voice coil leads 221 by spot welding mode respectively with first weld part 44
Electrically connected with second weld part 45.
The weld tabs 5 is embedded in the frame 1 and part is exposed, and its exposed parts is used to connect with external power source circuit
Connect.The FPC 4 is fixed with the weld tabs 5 and electrically connected.In present embodiment, the weld tabs 5 and the frame 1 are integrated through injection molding
Molding structure, increase the structural stability of the microphone device 100.
Compared with prior art, in microphone device of the present utility model, the voice coil loudspeaker voice coil be used for connect positive and negative electrode power supply
Two voice coil leads are drawn by the same position of the voice coil loudspeaker voice coil and electrically connected with the FPC so that the voice coil leads take institute
State that functional space and the structure space of microphone device are small, and then make it that the acoustical behavior of the microphone device is more preferable, weld simultaneously
It is more convenient, beneficial to assembling procedure is simplified, improve the packaging efficiency of the microphone device.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of microphone device, including frame, be individually fixed in the frame vibrational system and magnetic circuit system and be fixed on
The FPC of the frame, the vibrational system include being fixed on the vibrating diaphragm of the frame and drive the voice coil loudspeaker voice coil of the diaphragm oscillations, institute
Stating magnetic circuit system includes main magnet steel, and the voice coil loudspeaker voice coil is annular in shape and around being located at the main magnet steel periphery, it is characterised in that the voice coil loudspeaker voice coil
One end away from the vibrating diaphragm is flexibly supported by the FPC and electrically connected with the FPC, and the voice coil loudspeaker voice coil includes two mutually insulateds
Voice coil leads, two voice coil leads are extended by the same position of the voice coil loudspeaker voice coil and are electrically connected respectively with the FPC.
2. microphone device according to claim 1, it is characterised in that two voice coil leads are to opposite both direction
Each extend over.
3. microphone device according to claim 2, it is characterised in that the wherein voice coil leads are towards close to the master
The direction extension of magnet steel, another voice coil leads extend towards the direction away from the main magnet steel.
4. microphone device according to claim 2, it is characterised in that the FPC includes being fixed on the first of the frame
Fixed arm, the second fixed arm being fixedly connected with the voice coil loudspeaker voice coil, the bullet for being connected first fixed arm and second fixed arm
The first weld part and the second weld part of arm and the mutually insulated each extended over by the both sides of second fixed arm, the sound
Circle lead is electrically connected in first weld part and second weld part.
5. microphone device according to claim 4, it is characterised in that the voice coil leads by spot welding mode respectively with institute
State the first weld part and second weld part electrical connection.
6. microphone device according to claim 5, it is characterised in that the voice coil loudspeaker voice coil is rectangular, and the voice coil leads are by institute
State the centre position extension of voice coil loudspeaker voice coil side.
7. microphone device according to claim 5, it is characterised in that the voice coil loudspeaker voice coil is track type voice coil loudspeaker voice coil, and the voice coil loudspeaker voice coil draws
Line extends from the centre position on a short axle side of the voice coil loudspeaker voice coil.
8. microphone device according to claim 7, it is characterised in that the magnetic circuit system also includes being located at the master respectively
The major axis side both sides of the relatively described voice coil loudspeaker voice coil of magnet steel and the secondary magnet steel of setting with interval, the FPC are located at the main magnet steel respectively
The both sides relative with the short axle side of the voice coil loudspeaker voice coil, the centre position of the close FPC of main magnet steel side are provided with to institute
The slot to make way of the center position depression of main magnet steel is stated, first weld part is contained in the slot to make way.
9. microphone device according to claim 8, it is characterised in that first fixed arm is put down with second fixed arm
Row is set, and the elastic arm extends to the opposite ends of second fixed arm from the both ends of first fixed arm respectively, described
Second weld part is extended between the elastic arm from first fixed arm.
10. microphone device according to claim 9, it is characterised in that the microphone device also includes being embedded at the basin
Frame and the exposed weld tabs in part, the FPC are fixed with the weld tabs and electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720212442.1U CN206894885U (en) | 2017-03-06 | 2017-03-06 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720212442.1U CN206894885U (en) | 2017-03-06 | 2017-03-06 | Microphone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206894885U true CN206894885U (en) | 2018-01-16 |
Family
ID=61328781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720212442.1U Expired - Fee Related CN206894885U (en) | 2017-03-06 | 2017-03-06 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206894885U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108540908A (en) * | 2018-04-28 | 2018-09-14 | 歌尔股份有限公司 | A kind of sound-producing device |
| WO2020029644A1 (en) * | 2018-08-05 | 2020-02-13 | 瑞声声学科技(深圳)有限公司 | Speaker |
| WO2020029635A1 (en) * | 2018-08-08 | 2020-02-13 | 瑞声声学科技(深圳)有限公司 | Micro sound production device |
| WO2021114122A1 (en) * | 2019-12-11 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Sound production device |
-
2017
- 2017-03-06 CN CN201720212442.1U patent/CN206894885U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108540908A (en) * | 2018-04-28 | 2018-09-14 | 歌尔股份有限公司 | A kind of sound-producing device |
| CN108540908B (en) * | 2018-04-28 | 2023-12-22 | 歌尔股份有限公司 | Sounding device |
| WO2020029644A1 (en) * | 2018-08-05 | 2020-02-13 | 瑞声声学科技(深圳)有限公司 | Speaker |
| WO2020029635A1 (en) * | 2018-08-08 | 2020-02-13 | 瑞声声学科技(深圳)有限公司 | Micro sound production device |
| WO2021114122A1 (en) * | 2019-12-11 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Sound production device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |