CN207869361U - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN207869361U CN207869361U CN201820056528.4U CN201820056528U CN207869361U CN 207869361 U CN207869361 U CN 207869361U CN 201820056528 U CN201820056528 U CN 201820056528U CN 207869361 U CN207869361 U CN 207869361U
- Authority
- CN
- China
- Prior art keywords
- arm
- fixed
- vibrating diaphragm
- voice coil
- circuit layer
- 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
Links
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model provides a kind of microphone device, including frame and vibrational system, the vibrational system includes the voice coil and conductive circuit layer of the first vibrating diaphragm and the second vibrating diaphragm, driving the first diaphragm oscillations sounding, second vibrating diaphragm is fixed on one end far from first vibrating diaphragm of the voice coil, the conductive circuit layer is embedded at second vibrating diaphragm, and the voice coil is electrically connected with the conductive circuit layer；Second vibrating diaphragm includes vibration section and by two the first fixed parts and the second fixed part for being individually fixed in the frame and the voice coil that the vibration section extends；The conductive circuit layer includes the shaker arm between the first fixed arm of spaced setting and the second fixed arm and connection first fixed arm and second fixed arm, and the shaker arm is equipped with the clearance hole through thereon.Compared with the relevant technologies, the microphone device vocal performance of the utility model is good and reliability is high.
Description
【Technical field】
The utility model is related to acoustic-electric field more particularly to a kind of microphone devices applying to portable electronic product.
【Background technology】
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.
And be used in microphone device vibrational system and magnetic circuit system be directly related to microphone device sound quality quality.In order to
Reinforce the stability of vibrational system, the vibrational system of the relevant technologies mini-sound device includes being fixed on being sent out for vibrating for frame
Second vibrating diaphragm of the first vibrating diaphragm of sound and lateral stability for reinforcing the voice coil.
It is embedded conductive circuit layer in second vibrating diaphragm, flexible circuit board diaphragm structure is formed, for connecting voice coil leads
Voice coil leads breakage problem, especially high-power large amplitude etc. due to vibrational system is vibrated are prevented to introduce electric signal, and realize
Situation.Second vibrating diaphragm includes being individually fixed in described in two fixed parts and the connection two of the frame and the voice coil
Fixed part vibration section.The conductive circuit layer includes two fixed arms being embedded at respectively in two fixed parts and is embedded at
Shaker arm in the vibration section.
However, shaker arm described in the relevant technologies is single channel circuit, i.e., at the deep camber of shaker arm (be bent/curved
At folding) metal wire easily formed fine crack and rapidly along the cross conduction of shaker arm run through whole shaker arm, so as to cause institute
Conducting wire fault rupture is stated, the second vibrating diaphragm failure is in turn resulted in.
Therefore, a kind of new microphone device solution above-mentioned technical problem must be provided by having in fact.
【Utility model content】
The purpose of this utility model is to provide the microphone devices that a kind of vocal performance is good and reliability is high.
In order to achieve the above objectives, the utility model provides a kind of microphone device, including frame and is fixed on the frame
Vibrational system, the vibrational system include being individually fixed in the first vibrating diaphragm and the second vibrating diaphragm, the driving described first of the frame
The voice coil and conductive circuit layer of diaphragm oscillations sounding, second vibrating diaphragm are fixed on separate first vibrating diaphragm of the voice coil
One end, the conductive circuit layer is embedded at second vibrating diaphragm, and the voice coil is electrically connected with the conductive circuit layer；Described
Two vibrating diaphragms include vibration section and by the vibration section opposite sides extend two be individually fixed in the frame and the sound
The first fixed part and the second fixed part of circle；The conductive circuit layer includes that the first fixed arm of spaced setting and second are consolidated
Shaker arm between fixed arm and connection first fixed arm and second fixed arm, the shaker arm are equipped with through thereon
Clearance hole；First fixed arm and second fixed arm are embedded at first fixed part and described second and fix respectively
Portion, the shaker arm are embedded at the vibration section.
Preferably, the shaker arm includes the first straight-arm extended by first fixed arm, is prolonged by first straight-arm
First bend arm of the arc-shaped shape stretched and the second straight of second fixed arm is extended and connected to by first bend arm
Arm, the clearance hole are arranged through first bend arm.
Preferably, the shaker arm further includes the of the arc-shaped shape for connecting second straight-arm and second fixed arm
Two bend arms, the second bend arm setting is through the clearance hole thereon.
Preferably, the frame is rectangular, and second vibrating diaphragm is fixed on the position at the angle of the frame.
Preferably, second vibrating diaphragm includes two, and two second vibrating diaphragms are individually fixed in the opposite of the voice coil
Both sides and about the voice coil be symmetrical arranged.
Preferably, the conductive circuit layer is layers of copper.
Compared with the relevant technologies, the microphone device of the utility model is embedded the conductive circuit layer in its second vibrating diaphragm,
The conductive circuit layer includes shaker arm, and the shaker arm includes sequentially connected first straight-arm, first bend arm
With second straight-arm, setting is through clearance hole thereon on first bend arm so that the gold of first bend arm
Belong to electric line and forms spaced double-circuit channel design.Because first bend arm be the conductive circuit layer stress most
Big region, and the bigger stress of curvature of its bending is bigger, then is easy to form fine crack simultaneously on the metal cords road in the region
Entire metal cords road is extended transversely through rapidly, and the conductive circuit layer is made to fail.And the setting of the clearance hole then can effectively hinder
The entire metal cords road of penetration of cracks on the metal cords road in the disconnected region, improves the reliability of the conductive circuit layer, i.e.,
The reliability for improving second vibrating diaphragm, the vocal performance and reliability to make the microphone device are more excellent.
【Description of the drawings】
It is required in being described below to embodiment 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
Other attached drawings are obtained, wherein：
Fig. 1 is the stereochemical structure decomposing schematic representation of the utility model microphone device；
Fig. 2 is the structural schematic diagram of the second vibrating diaphragm and conductive circuit layer assembly of the utility model microphone device；
Fig. 3 is the second vibrating diaphragm and conductive circuit layer stereochemical structure decomposing schematic representation of the utility model microphone device.
【Specific implementation mode】
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
The all other embodiment obtained, shall fall within the protection scope of the present invention.
It please join shown in Fig. 1-3, the utility model provides a kind of microphone device 100, including frame 1 and is fixed on the frame
1 vibrational system 2 and the magnetic circuit system 3 for driving the vibrational system 2 to vibrate.
The vibrational system 2 includes being individually fixed in described in the first vibrating diaphragm 21 and the second vibrating diaphragm 22, driving of the frame 1
The voice coil 23 of first vibrating diaphragm, 21 vibration sounding and the conductive circuit layer 24 for being embedded at second vibrating diaphragm 22.
It should be noted that being embedded in present embodiment, which can be regarded as the conductive circuit layer 24, is embedded at described second
The inside of vibrating diaphragm 22, it is understood that be sticked for the conductive circuit layer 24 and be fixed on the surface of second vibrating diaphragm 22.The knot
Structure makes second vibrating diaphragm 22 that flexible circuit board diaphragm structure be collectively formed with the conductive circuit layer 24.
Second vibrating diaphragm 22 is fixed on one end far from first vibrating diaphragm 21 of the voice coil 23, the voice coil 23 with
The conductive circuit layer 24 is electrically connected.On the one hand the structure replaces voice coil lead structure by second vibrating diaphragm 22, directly will
The voice coil 23 leads to external power supply, avoids the risk of voice coil leads fracture and causes 100 reliability of microphone device is low to ask
Topic；On the other hand, second vibrating diaphragm 22 prevent the voice coil 23 vibrate wave and reinforce shaking for the vibrational system 2
Dynamic performance so that the acoustical behavioies such as intensity of phonation of the microphone device 100 are more excellent, and stability is more preferable.
Specifically, second vibrating diaphragm 22 includes vibration section 221, the first fixed part 222 and the second fixed part 223.
First fixed part 222 and second fixed part 223 are extended by the opposite sides of the vibration section 221 respectively
And it is individually fixed in the frame 1 and the voice coil 23.
The conductive circuit layer 24 include the first fixed arm 241 and the second fixed arm 242 of two spaced settings with
And the shaker arm 243 of connection first fixed arm 241 and second fixed arm, the shaker arm 243 are equipped with through thereon
Clearance hole 244.
First fixed arm 241 and second fixed arm 242 are embedded at first fixed part 222 and described respectively
Second fixed part 223, the voice coil 23 are electrically connected with second fixed arm 242.
In present embodiment, the conductive circuit layer 24 is layers of copper, and electric conductivity and ductility are good.
Because the shaker arm 243 is the maximum region of 24 stress of the conductive circuit layer, the shaker arm 243 in the region
The metal cords appearance of a street easily form fine crack and extend transversely through entire metal cords road rapidly, keep the conductive circuit layer 24 disconnected
Split failure.And the setting of the clearance hole 244 then can effectively block splitting for the metal cords road of the shaker arm 243 in the region
Line runs through entire metal cords road, improves the reliability of the conductive circuit layer 24, that is, improves second vibrating diaphragm 22
Reliability, to keep the reliability of the microphone device 100 more excellent.
In present embodiment, the flexible shaker arm 243 is in undaform, or in multiple continuous " S " types, that is,
Say that the shaker arm 243 is in more bending/warp architectures so that the length of the shaker arm 243 is as long as possible, improves its vibratility
Energy and break resistance, to improve the acoustical behavior and reliability of the microphone device 100.
Specifically, the shaker arm 243 includes the first straight-arm 2431 extended by first fixed arm 241, by described
First straight-arm 2431 extend arc-shaped shape the first bend arm 2432 and extended and connected to by first bend arm 2432
Second straight-arm 2433 of second fixed arm 242, the clearance hole 244 are arranged through first bend arm 2432.
After the clearance hole 244 is arranged in the bending part (such as the first bend arm 2432) of the shaker arm 243, described the
Two vibrating diaphragms 22 are compared with the structure of the relevant technologies, and fatigue life is by 108.79It is secondary to be promoted to 108.83It is secondary.
It should be noted that the structure of the shaker arm 243 is not limited to this, it may also include more straight-arm parts and curved
Bent portions, and the clearance hole 244 mainly may be contained within its bending part.Song because of the shaker arm 243 in its bending part
Rate is maximum, and stress is also maximum, and the metal cords road for being easiest to appear in the part forms fine crack and causes breakage problem.Than
Such as, the shaker arm 243 further includes the second of the arc-shaped shape of connection second straight-arm 2433 and second fixed arm 242
Bend arm 2434, second bend arm 2434 are also provided with the clearance hole 244 through thereon.
For example, the frame 1 is arranged rectangular, two second vibrating diaphragms 22 are individually fixed in the angle of the frame 1
Position.The position keeps the stability of equilibrium of the vibrational system 2 more preferable, especially high-power large amplitude the case where.
In order to further strengthen the stability of vibration and reliability of the microphone device 100, in present embodiment, described
Two vibrating diaphragms 22 include two, and two second vibrating diaphragms 22 are individually fixed in the opposite sides of the voice coil 23 and about the sound
Circle 23 is symmetrical arranged, for example, being located at two diagonal positions.
On the one hand the structure setting of two second vibrating diaphragms 22 saves space, on the other hand in segmented and symmetrical
It strengthens the anti-of voice coil 23 and waves performance, improve the acoustical behavior and reliability of the microphone device 100.
Compared with the relevant technologies, the microphone device of the utility model is embedded the conductive circuit layer in its second vibrating diaphragm,
The conductive circuit layer includes shaker arm, and the shaker arm includes sequentially connected first straight-arm, first bend arm
With second straight-arm, setting is through clearance hole thereon on first bend arm so that the gold of first bend arm
Belong to electric line and forms spaced double-circuit channel design.Because first bend arm be the conductive circuit layer stress most
Big region, and the bigger stress of curvature of its bending is bigger, then is easy to form fine crack simultaneously on the metal cords road in the region
Entire metal cords road is extended transversely through rapidly, and the conductive circuit layer is made to fail.And the setting of the clearance hole then can effectively hinder
The entire metal cords road of penetration of cracks on the metal cords road in the disconnected region, improves the reliability of the conductive circuit layer, i.e.,
The reliability for improving second vibrating diaphragm, the vocal performance and reliability to make the microphone device are more excellent.
Above-described is only the embodiment of the utility model, 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 this practicality
Novel protection domain.
Claims (6)
1. a kind of microphone device, including frame and the vibrational system for being fixed on the frame, the vibrational system includes solid respectively
Due to the voice coil and conducting wire of the first vibrating diaphragm of the frame and the second vibrating diaphragm, driving the first diaphragm oscillations sounding
Layer, second vibrating diaphragm are fixed on one end far from first vibrating diaphragm of the voice coil, and the conductive circuit layer is embedded at institute
State the second vibrating diaphragm, the voice coil is electrically connected with the conductive circuit layer, which is characterized in that second vibrating diaphragm include vibration section and
Two the first fixed parts for being individually fixed in the frame and the voice coil and the extended by the opposite sides of the vibration section
Two fixed parts；The conductive circuit layer includes the first fixed arm and the second fixed arm and the connection described the of spaced setting
Shaker arm between one fixed arm and second fixed arm, the shaker arm are equipped with the clearance hole through thereon；Described first
Fixed arm and second fixed arm are embedded at first fixed part and second fixed part respectively, and the shaker arm is embedded
In the vibration section.
2. microphone device according to claim 1, which is characterized in that the shaker arm includes being prolonged by first fixed arm
The first straight-arm for stretching, the first bend arm of the arc-shaped shape extended by first straight-arm and extended simultaneously by first bend arm
It is connected to the second straight-arm of second fixed arm, the clearance hole is arranged through first bend arm.
3. microphone device according to claim 2, which is characterized in that the shaker arm further includes connection second straight-arm
With the second bend arm of the arc-shaped shape of second fixed arm, the second bend arm setting is through the isolation thereon
Hole.
4. microphone device according to claim 1, which is characterized in that the frame is rectangular, and second vibrating diaphragm is fixed
Position in the angle of the frame.
5. microphone device according to claim 1, which is characterized in that second vibrating diaphragm includes two, two described the
Two vibrating diaphragms are individually fixed in the opposite sides of the voice coil and are symmetrical arranged about the voice coil.
6. microphone device according to claim 1, which is characterized in that the conductive circuit layer is layers of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820056528.4U CN207869361U (en) | 2018-01-12 | 2018-01-12 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820056528.4U CN207869361U (en) | 2018-01-12 | 2018-01-12 | Microphone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207869361U true CN207869361U (en) | 2018-09-14 |
Family
ID=63461625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820056528.4U Expired - Fee Related CN207869361U (en) | 2018-01-12 | 2018-01-12 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207869361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110784812A (en) * | 2019-12-31 | 2020-02-11 | 共达电声股份有限公司 | Flexible circuit board and loudspeaker |
-
2018
- 2018-01-12 CN CN201820056528.4U patent/CN207869361U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110784812A (en) * | 2019-12-31 | 2020-02-11 | 共达电声股份有限公司 | Flexible circuit board and loudspeaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207869370U (en) | Microphone device | |
| CN207968891U (en) | Microphone device | |
| CN207869351U (en) | Microphone device | |
| CN207369296U (en) | A kind of loudspeaker | |
| CN108337609A (en) | Microphone device | |
| CN207869361U (en) | Microphone device | |
| CN210093515U (en) | Sound production device | |
| CN108337613A (en) | Microphone device | |
| CN205961430U (en) | Loudspeaker | |
| CN108462922B (en) | Vibrating diaphragm and sound production device | |
| CN108055623B (en) | Sound production device | |
| CN204887423U (en) | Miniature sounder | |
| CN110213697A (en) | Microphone device | |
| CN204559871U (en) | Acoustical generator | |
| CN206640781U (en) | Vibrational system and sound-producing device in a kind of sound-producing device | |
| CN109889959B (en) | Microphone device | |
| CN207968899U (en) | Microphone device | |
| WO2020134375A1 (en) | Sound production device | |
| CN108322867A (en) | Microphone device | |
| CN207732975U (en) | Microphone device | |
| CN105979452B (en) | Terminal connecting structure, loudspeaker and sound equipment | |
| CN108337611A (en) | Microphone device | |
| CN206640788U (en) | One kind does not break balance vibration loudspeaker | |
| CN106888421A (en) | Vibrational system and phonation unit in a kind of phonation unit | |
| CN210093514U (en) | Sound production device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20220112 |