CN108322866A - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN108322866A CN108322866A CN201810032545.9A CN201810032545A CN108322866A CN 108322866 A CN108322866 A CN 108322866A CN 201810032545 A CN201810032545 A CN 201810032545A CN 108322866 A CN108322866 A CN 108322866A
- Authority
- CN
- China
- Prior art keywords
- arm
- fixed
- voice coil
- vibrating diaphragm
- 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.)
- Withdrawn
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
Abstract
The present invention provides a kind of microphone devices, including frame and the vibrational system for being fixed on the frame, the vibrational system include be individually fixed in the frame the first vibrating diaphragm and the second vibrating diaphragm, driving the first diaphragm oscillations sounding voice coil and be embedded at the conductive circuit layer of second vibrating diaphragm, second vibrating diaphragm is fixed on one end far from first vibrating diaphragm of the voice coil, and the voice coil is electrically connected with the conductive circuit layer；Second vibrating diaphragm includes two fixed parts for being individually fixed in the frame and the voice coil of vibration section and the opposite sides extension by the vibration section；The conductive circuit layer includes the shaker arm of two fixed arms of fixed arm and connection of two spaced settings；Two fixed arms are embedded at two fixed parts respectively, and the shaker arm is embedded at the vibration section, and the shaker arm uses specific bending shape.Compared with the relevant technologies, microphone device vocal performance of the invention is good and highly reliable.
Description
【Technical field】
The present invention relates 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 include be individually fixed in the frame and the voice coil two the first fixed parts annular in shape and
Connect the vibration section annular in shape of two first fixed parts.
However, second vibrating diaphragm of the relevant technologies is an integral structure, the conductor wire being embedded in second vibrating diaphragm
Road floor includes two the second fixed parts being embedded at respectively in two first fixed parts and is embedded in the vibration section
Elastic portion.Integral structure size it is larger and need operational vibration space it is larger, reliability is poor, constrains microphone device court
The development in gently/thin/short/small/high-performance direction.
Therefore, a kind of new microphone device solution above-mentioned technical problem must be provided by having in fact.
【Invention content】
The purpose of the present invention is to provide a kind of good and highly reliable microphone devices of vocal performance.
In order to achieve the above objectives, the present invention provides a kind of microphone device, including frame and the vibration for being fixed on the frame
System, the vibrational system include being individually fixed in the first vibrating diaphragm and the second vibrating diaphragm, driving first vibrating diaphragm of the frame
The voice coil of vibration sounding and the conductive circuit layer for being embedded at second vibrating diaphragm, second vibrating diaphragm are fixed on the remote of the voice coil
One end from first vibrating diaphragm, the voice coil are electrically connected with the conductive circuit layer；Second vibrating diaphragm include vibration section and
Two fixed parts for being individually fixed in the frame and the voice coil extended by the opposite sides of the vibration section；The conduction
Line layer includes the shaker arm of two fixed arms of fixed arm and connection of two spaced settings；Two fixed arms
It is embedded at two fixed parts respectively, the shaker arm is embedded at the vibration section, and the shaker arm includes by the conduction
First arm of the wherein one fixed arm extension of line layer is parallel to what the fixed arm direction extended by first arm edge
Second arm extends by second crook of the arm folding and the oppositely extending third arm for being parallel to second arm and by the third arm
And it is fixedly connected with the 4th arm of wherein another fixed arm of the conductive circuit layer.
Preferably, the shaker arm of the same conductive circuit layer includes two and is symmetrical arranged.
Preferably, the length of the vibration section is less than 10mm, and width is less than 2mm.
Preferably, second vibrating diaphragm includes two, and two second vibrating diaphragms are individually fixed in the opposite of the voice coil
Both sides and axisymmetricly it is arranged about the voice coil.
Preferably, the voice coil is rectangular, and what two second vibrating diaphragms were individually fixed in the voice coil is parallel to its length
The opposite sides of axis.
Preferably, the conductive circuit layer is layers of copper.
Compared with the relevant technologies, microphone device of the invention is embedded in second vibrating diaphragm and sets conductive circuit layer, and will
It is in segmentation structure that second vibrating diaphragm, which is arranged two, and the opposite sides that two second vibrating diaphragms are fixed on to voice coil is in axis pair
Claim setting, reduce the size of second vibrating diaphragm so that the operational vibration space high degree reduction of second vibrating diaphragm is used
In other functional components are arranged, the acoustical behavior of the microphone device is improved, and the segmentation structure largely carries
The high reliability of second vibrating diaphragm and anti-voice coil Rolling energy；In addition, being embedded at the conducting wire in second vibrating diaphragm
Layer includes two fixed arms and connects the shaker arm of two fixed arms, and the shaker arm uses specific bending shape, described in increase
The vibration performance of the second vibrating diaphragm effectively improve the sound of the microphone device that is, to strengthen the driving force of the voice coil
Learn performance.
【Description of the drawings】
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, wherein：
Fig. 1 is the three-dimensional structure diagram of microphone device of the present invention；
Fig. 2 is the second vibrating diaphragm, voice coil and the frame assembling structure schematic diagram of microphone device of the present invention；
Fig. 3 is the dimensional structure diagram of the second vibrating diaphragm and conductive circuit layer assembly of microphone device of the present invention；
Fig. 4 is the structural decomposition diagram of Fig. 3.
【Specific implementation mode】
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 describes, 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.
It please join shown in Fig. 1-2, the present invention 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 vibration.
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.
Incorporated by reference to ginseng Fig. 3-4, specifically, second vibrating diaphragm 22 includes vibration section 221 and fixed part 222.
The fixed part 222 includes two, is extended respectively by the opposite sides of the vibration section 221 and is individually fixed in institute
State frame 1 and the voice coil 23.In present embodiment, the vibration section 221 may be designed as its length and be less than 10mm, and width is less than
Second vibrating diaphragm 22 that reduces of 2mm, high degree vibrate required working space, the integral type relative to the relevant technologies
1/2 or more the working space reduction of second diaphragm structure, to save to the setting of other functional components, that is, increases the hair
The acoustical behavior of acoustic device 100.The duty ratio of the second diaphragm structure of integral type is more than 2 in the microphone device of the relevant technologies, reliably
Property relatively hand over, and the duty ratio of second vibrating diaphragm 22 described in segmented is equal to 1 in the microphone device 100 of the present invention, and reliability obviously increases
Add.
The conductive circuit layer 24 includes two fixed arms of fixed arm 241 and connection of two spaced settings
241 shaker arm 242.In present embodiment, the conductive circuit layer 24 is layers of copper, and electric conductivity and ductility are good.
Two fixed arms 241 are embedded at two fixed parts 222 respectively, and the shaker arm 242 is embedded at described
Vibration section 221, the voice coil 23 are electrically connected with close to one of its setting fixed arm 241.The shaker arm 242 is in
More bending/warp architectures so that the length of the shaker arm 242 is as long as possible, improves its vibration performance and break resistance, from
And improve the reliability of the microphone device 100.
Specifically, the shaker arm 242 use specific bending shape, specifically include by the conductive circuit layer 24 its
In a fixed arm 241 extend the first arm 2421, prolonged along 241 direction of the fixed arm is parallel to by first arm 2421
The second arm 2422 for stretching, by second arm 2422 bending and the oppositely extending third arm for being parallel to second arm 2422
2423 and extended by the third arm 2423 and be fixedly connected wherein another fixed arm 241 of the conductive circuit layer 24
4th arm 2424.Certainly, structure is not limited to this, and the bending setting of the shaker arm 242 can increase its total length, to improve
Oscillation intensity.
In present embodiment, the shaker arm 242 of the same conductive circuit layer 24 includes two and is symmetrical arranged, with
Improve its stability and unfailing performance.
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 axisymmetricly arranged.Reliability of the structure relative to the second diaphragm structure of integral type in the related technology, reliability
Time can extend to 2 times or more.
For example, the voice coil 23 is arranged rectangular, two second vibrating diaphragms 22 are individually fixed in the flat of the voice coil 23
Row is in the opposite sides of its long axis.Certainly, the opposite sides for being parallel to its short axle for being also securable to the voice coil 23 is also can
Capable.
The structure setting of two second vibrating diaphragms 22 is in segmented and axial symmetry, and can make the institute of second vibrating diaphragm 22
The length for stating vibration section 221 is less than 10mm, and width is less than 2mm.On the one hand space is saved, on the other hand strengthens voice coil 23
It is anti-to wave performance, improve the acoustical behavior and reliability of the microphone device 100.
Compared with the relevant technologies, microphone device of the invention is embedded in second vibrating diaphragm and sets conductive circuit layer, and will
It is in segmentation structure that second vibrating diaphragm, which is arranged two, and the opposite sides that two second vibrating diaphragms are fixed on to voice coil is in axis pair
Claim setting, reduce the size of second vibrating diaphragm so that the operational vibration space high degree reduction of second vibrating diaphragm is used
In other functional components are arranged, the acoustical behavior of the microphone device is improved, and the segmentation structure largely carries
The high reliability of second vibrating diaphragm and anti-voice coil Rolling energy；In addition, being embedded at the conducting wire in second vibrating diaphragm
Layer includes two fixed arms and connects the shaker arm of two fixed arms, and the shaker arm uses specific bending shape, described in increase
The vibration performance of the second vibrating diaphragm effectively improve the sound of the microphone device that is, to strengthen the driving force of the voice coil
Learn performance.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to the protection model of the present invention
It encloses.
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 first vibrating diaphragm of the frame and the second vibrating diaphragm and the voice coil of driving the first diaphragm oscillations sounding, described second shakes
Film is fixed on one end far from first vibrating diaphragm of the voice coil, which is characterized in that the microphone device further includes being embedded at
The conductive circuit layer of second vibrating diaphragm, the voice coil are electrically connected with the conductive circuit layer, and the conductive circuit layer includes two
The shaker arm of two fixed arms of fixed arm and connection of a spaced setting；Second vibrating diaphragm include vibration section and by
Two fixed parts for being individually fixed in the frame and the voice coil that the opposite sides of the vibration section extends；Two described solid
Fixed arm is embedded at two fixed parts respectively, and the shaker arm is embedded at the vibration section, and the shaker arm includes by described
The first arm that wherein one fixed arm of conductive circuit layer extends is prolonged by first arm along being parallel to the fixed arm direction
The second arm for stretching, by second crook of the arm folding and the oppositely extending third arm for being parallel to second arm and by the third arm
Extend and be fixedly connected the 4th arm of wherein another fixed arm of the conductive circuit layer.
2. microphone device according to claim 1, which is characterized in that the shaker arm packet of the same conductive circuit layer
It includes two and is symmetrical arranged.
3. microphone device according to claim 1, which is characterized in that the length of the vibration section is less than 10mm, and width is small
In 2mm.
4. 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 axisymmetricly arranged about the voice coil.
5. microphone device according to claim 4, which is characterized in that the voice coil is rectangular, two second vibrating diaphragms
It is individually fixed in the opposite sides for being parallel to its long axis of 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 |
|---|---|---|---|
| CN201810032545.9A CN108322866A (en) | 2018-01-12 | 2018-01-12 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810032545.9A CN108322866A (en) | 2018-01-12 | 2018-01-12 | Microphone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108322866A true CN108322866A (en) | 2018-07-24 |
Family
ID=62894366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810032545.9A Withdrawn CN108322866A (en) | 2018-01-12 | 2018-01-12 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108322866A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101148833B1 (en) * | 2010-12-30 | 2012-05-29 | 주식회사 이엠텍 | Acoustic transducer |
| CN205566633U (en) * | 2016-01-28 | 2016-09-07 | 瑞声光电科技(常州)有限公司 | Micro sound production device |
| CN205793288U (en) * | 2016-05-26 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Minitype acoustic generator |
| CN205847562U (en) * | 2016-06-15 | 2016-12-28 | 瑞声科技(新加坡)有限公司 | Mini-sound device |
| CN206524953U (en) * | 2017-01-20 | 2017-09-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN107277706A (en) * | 2017-04-15 | 2017-10-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN206674192U (en) * | 2017-04-13 | 2017-11-24 | 瑞声科技(新加坡)有限公司 | Microspeaker |
-
2018
- 2018-01-12 CN CN201810032545.9A patent/CN108322866A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101148833B1 (en) * | 2010-12-30 | 2012-05-29 | 주식회사 이엠텍 | Acoustic transducer |
| CN205566633U (en) * | 2016-01-28 | 2016-09-07 | 瑞声光电科技(常州)有限公司 | Micro sound production device |
| CN205793288U (en) * | 2016-05-26 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Minitype acoustic generator |
| CN205847562U (en) * | 2016-06-15 | 2016-12-28 | 瑞声科技(新加坡)有限公司 | Mini-sound device |
| CN206524953U (en) * | 2017-01-20 | 2017-09-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN206674192U (en) * | 2017-04-13 | 2017-11-24 | 瑞声科技(新加坡)有限公司 | Microspeaker |
| CN107277706A (en) * | 2017-04-15 | 2017-10-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180724 |
|
| WW01 | Invention patent application withdrawn after publication |