CN108462922A - Vibrating diaphragm and microphone device - Google Patents
Vibrating diaphragm and microphone device Download PDFInfo
- Publication number
- CN108462922A CN108462922A CN201810032051.0A CN201810032051A CN108462922A CN 108462922 A CN108462922 A CN 108462922A CN 201810032051 A CN201810032051 A CN 201810032051A CN 108462922 A CN108462922 A CN 108462922A
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- CN
- China
- Prior art keywords
- vibrating diaphragm
- layer
- transparent
- fixed part
- vibration section
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- 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.)
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Classifications
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- 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
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/045—Mounting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The present invention provides a kind of vibrating diaphragms, including vibration section and from what the vibration section extended it is used to that fixed fixed part to be installed, the vibrating diaphragm further includes the conductive circuit layer being embedded in the vibration section, and the vibration section and the fixed part are that transparent and insulation material is made.Present invention simultaneously provides a kind of microphone devices with above-mentioned vibrating diaphragm.Compared with the relevant technologies, vibrating diaphragm of the invention and microphone device production efficiency are high, and properties of product are excellent.
Description
【Technical field】
The present invention relates to acoustic-electric field more particularly to a kind of vibrating diaphragms and microphone device 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 vibration section, is used to install fixed fixed part by what vibration section extended, and fixed part is fixed
In being embedded conductive circuit layer in frame, vibration section.
However, the base material PI (CVL/FCCL) that the second vibrating diaphragm of the relevant technologies uses is in brown color, ultraviolet/visible light (wave
Long λ ＜ 760nm) area's light transmittance is low, light transmittance ＜ 40% at 500nm, to 400nm near when absorbed by 100%, λ ＜ 400nm
Ultraviolet region light wave can not penetrate brown PI base materials.In addition, using heat when the fixed part of second vibrating diaphragm is fixed on frame
Melten gel, hardening time length (are more than 24 hours), and shear strength is low after solidification (being less than 6MPa), limits production capacity and properties of product
Promotion.
Therefore, a kind of new vibrating diaphragm must be provided and microphone device solves above-mentioned technical problem by having in fact.
【Invention content】
The purpose of the present invention is to provide a kind of production efficiency is high and properties of product are excellent vibrating diaphragms and microphone device.
In order to achieve the above objectives, the present invention provides a kind of vibrating diaphragm, including vibration section and is used for from what the vibration section extended
Fixed fixed part is installed, the vibrating diaphragm further includes the conductive circuit layer being embedded in the vibration section, the vibration section and institute
It is that transparent and insulation material is made to state fixed part.
Preferably, the vibration section includes at least two layers of first transparent substrate layers and to be fixedly connected with adjacent two layers first transparent
First substratum transparent of substrate layer, the conductive circuit layer are embedded in first substratum transparent；The fixed part includes saturating
Bright strengthening course and at least three layer of second transparent substrate layer being set on the transparent strengthening course, and it is fixedly connected with adjacent two layers
Second transparent substrate layer and the second substratum transparent for being fixedly connected with the second transparent substrate layer and transparent strengthening course.
Preferably, the thickness of every layer of first transparent substrate layer and every layer of second transparent substrate layer is no more than 50 μm.
Preferably, first transparent substrate layer and second transparent substrate layer be in PI, PEN, PET, PEEK extremely
Few one kind is made.
Preferably, the conductive circuit layer is layers of copper.
Preferably, the starting light transmitting wavelength of the fixed part is less than 301nm.
Preferably, the fixed part is more than 40% in the light transmittance that wavelength is 320nm.
Preferably, the fixed part is more than 80% in the light transmittance that wavelength is 365nm.
It is described to shake the present invention also provides a kind of microphone device, including frame and the vibrational system for being fixed on the frame
Dynamic system includes being individually fixed in the first vibrating diaphragm and the second vibrating diaphragm and driving the first diaphragm oscillations sounding of the frame
Voice coil, second vibrating diaphragm be fixed on the voice coil far from first vibrating diaphragm one end, second vibrating diaphragm be it is above-mentioned
Vibrating diaphragm, second vibrating diaphragm is fixed on the frame by UV glue, and the voice coil is electrically connected with the conductive circuit layer.
Preferably, second vibrating diaphragm includes two and is symmetrical arranged about the voice coil.
Compared with the relevant technologies, the vibration section of vibrating diaphragm of the invention and fixed part are by using transparent and insulation material system
At, and conductive circuit layer is embedded in the vibration section, which makes the light transmittance significant increase of the vibrating diaphragm；When described
When vibrating diaphragm is applied in the microphone device of the present invention, the vibrating diaphragm and frame are shortened into its hardening time using UV glue,
Production efficiency is effectively increased, the shear strength after the vibrating diaphragm solidification is improved, properties of product are excellent.
【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 dimensional structure diagram of vibrating diaphragm of the present invention；
Fig. 2 is the cross-sectional view (being embedded conductive circuit layer) of the vibration section of vibrating diaphragm of the present invention；
Fig. 3 is the cross-sectional view of the fixed part of vibrating diaphragm of the present invention；
Fig. 4 is the stereochemical structure decomposing schematic representation of microphone device of the present invention.
【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, the present invention provides a kind of vibrating diaphragm 100, including vibration section 10, fixed part 11 and conductive circuit layer
12。
The fixed part 11 extends from the vibration section 10 to be fixed for the installation of vibrating diaphragm 100, the conductive circuit layer 12
It is embedded in the vibration section 10, in present embodiment, the conductive circuit layer 12 is layers of copper.Wherein, 10 He of the vibration section
The fixed part 11 is that transparent and insulation material is made.
Shown in ginseng Fig. 2-3, specifically, the vibration section 10 includes at least two layers of first transparent substrate layer, 101 Hes
It is fixedly connected with the first substratum transparent 102 of the first transparent substrate layer of adjacent two layers 101, the conductive circuit layer 12 is embedded at described
In first substratum transparent 102.
Wherein, above one layer of first transparent substrate layer 101 and one layer of first substratum transparent 102 forms transparent
Cover film arises from protective effect.
The fixed part 11 includes transparent strengthening course 112 and be set on the transparent strengthening course 112 at least three layers the
Two transparent substrate layers 111, and be fixedly connected with the second transparent substrate layer of adjacent two layers 111 and be fixedly connected with the second transparent substrate layer
111 with the second substratum transparent 113 of transparent strengthening course 112.
Wherein, direction from top to bottom, the second transparent adhesive tape described in the second transparent substrate layer 111 and first layer described in first layer
Layer 113 forms transparent mulch film；Second transparent substrate layer, 111 shape described in second substratum transparent 113 and third layer described in the second layer
At transparent mulch film, double-layered protecting structure is played, because being easily damaged covered film structure when installation is fixed.
In present embodiment, first transparent substrate layer 101, second transparent substrate layer 111 and described transparent
The structure component of strengthening course 112 is identical.Specifically, every layer of first transparent substrate layer 101 and every layer of second transparent substrate layer 111
Thickness is no more than 50 μm；First transparent substrate layer 101 and second transparent substrate layer 111 are PI, PEN, PET, PEEK
At least one of be made.Certainly, material and thickness are not limited to this or other sizes.
Above structure makes the starting light transmitting wavelength of fixed part 11 described in present embodiment be less than 301nm；Wavelength is
The light transmittance of 320nm is more than 40%；The light transmittance that wavelength is 365nm is more than 80%, can meet most photoinitiator work
Wave band demand.
Shown in Fig. 4, the present invention also provides a kind of microphone device 200, including frame 20 and it is fixed on the basin
The vibrational system 30 of frame 20, remaining legacy device omit.
The vibrational system 30 includes being individually fixed in the first vibrating diaphragm 301, the second vibrating diaphragm 302 and voice coil of the frame 20
303。
The voice coil 303 is fixed on first vibrating diaphragm 301 and driving 301 vibration sounding of the first vibrating diaphragm；Described
One end far from first vibrating diaphragm 301 that two vibrating diaphragms 302 are fixed on the voice coil 303 supports the voice coil 303.
In present embodiment, second vibrating diaphragm 302 is the vibrating diaphragm 100 of the above-mentioned offer of the present invention.Described second
The fixed part 11 of vibrating diaphragm 302 (i.e. the vibrating diaphragm 100) is fixed on the frame 20, and vibration section 10 supports the voice coil 303, described
Voice coil 303 is electrically connected by the conductive circuit layer being embedded in vibration section 10.
In present embodiment, second vibrating diaphragm 302 includes two and claims to be arranged about the voice coil 303.The structure makes
The anti-sway performance of the voice coil 303 of the microphone device 200 is more stable.Certainly, the quantity of second vibrating diaphragm 302 and position
It is arranged without being limited thereto.
Specifically, second vibrating diaphragm 302 is fixed on the frame 20 by UV glue.Because this second vibrating diaphragm 302 is
Bright material is made, and the starting light transmitting wavelength of the fixed part 11 is less than 301nm；The light transmittance that wavelength is 320nm is more than 40%；Wave
The light transmittance of a length of 365nm is more than 80%, can meet most photoinitiator service band demands.Meanwhile UV glue is light-initiated
Agent service band wavelength is 320~450nm, the used ultraviolet lamp/a length of 280~450nm of UV lamp light wave, wherein in 365nm/
395nm/405nm is most of photoinitiator operation wavelength.Therefore when second vibrating diaphragm 302 is fixed on the basin by UV glue
When frame 20, fixed part 11 described in light wave fast strikethrough realizes the solidification of UV glue, and hardening time is less than 10 seconds and cutting after solidification
Shearing stress is more than 15MPa, and starting light transmitting wavelength is less than 301nm.To the life for improving the microphone device 200 of high degree
Produce efficiency and fixing intensity, reliability higher.
Compared with the relevant technologies, the vibration section of vibrating diaphragm of the invention and fixed part are by using transparent and insulation material system
At, and conductive circuit layer is embedded in the vibration section, which makes the light transmittance significant increase of the vibrating diaphragm；When described
When vibrating diaphragm is applied in the microphone device of the present invention, the vibrating diaphragm and frame are shortened into its hardening time using UV glue,
Production efficiency is effectively increased, the shear strength after the vibrating diaphragm solidification is improved, properties of product are excellent.
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 (10)
1. a kind of vibrating diaphragm, including vibration section and from the vibration section extend for installing fixed fixed part, which is characterized in that
The vibrating diaphragm further includes the conductive circuit layer being embedded in the vibration section, the vibration section and the fixed part be it is transparent and
The material of insulation is made.
2. vibrating diaphragm according to claim 1, which is characterized in that the vibration section includes at least two layers of first transparent substrate layers
With the first substratum transparent for being fixedly connected with the first transparent substrate layer of adjacent two layers, the conductive circuit layer is embedded at described first thoroughly
In gelatin layer；The fixed part includes transparent strengthening course and at least three layer of second transparent base for being set on the transparent strengthening course
Material layer, and be fixedly connected with the second transparent substrate layer of adjacent two layers and be fixedly connected with the second transparent substrate layer and transparent strengthening course
Second substratum transparent.
3. vibrating diaphragm according to claim 2, which is characterized in that every layer of first transparent substrate layer and every layer of second transparent base
The thickness of layer is no more than 50 μm.
4. vibrating diaphragm according to claim 2, which is characterized in that first transparent substrate layer and second transparent base
Layer is that at least one of PI, PEN, PET, PEEK are made.
5. vibrating diaphragm according to claim 2, which is characterized in that the conductive circuit layer is layers of copper.
6. vibrating diaphragm according to claim 1, which is characterized in that the starting light transmitting wavelength of the fixed part is less than 301nm.
7. vibrating diaphragm according to claim 6, which is characterized in that the fixed part is more than in the light transmittance that wavelength is 320nm
40%.
8. vibrating diaphragm according to claim 6, which is characterized in that the fixed part is more than in the light transmittance that wavelength is 365nm
80%.
9. 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 be fixed on the voice coil far from first vibrating diaphragm one end, which is characterized in that second vibrating diaphragm be claim 1~
Vibrating diaphragm described in 8 any one, second vibrating diaphragm are fixed on the frame, the voice coil and the conducting wire by UV glue
Layer electrical connection.
10. microphone device according to claim 9, which is characterized in that second vibrating diaphragm is including two and about described
Voice coil is symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810032051.0A CN108462922B (en) | 2018-01-12 | 2018-01-12 | Vibrating diaphragm and sound production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810032051.0A CN108462922B (en) | 2018-01-12 | 2018-01-12 | Vibrating diaphragm and sound production device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108462922A true CN108462922A (en) | 2018-08-28 |
| CN108462922B CN108462922B (en) | 2021-05-14 |
Family
ID=63220904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810032051.0A Expired - Fee Related CN108462922B (en) | 2018-01-12 | 2018-01-12 | Vibrating diaphragm and sound production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108462922B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110166901A (en) * | 2019-05-31 | 2019-08-23 | 歌尔股份有限公司 | The processing method of vibrating diaphragm component, acoustic mode group and acoustic mode group |
| CN110225438A (en) * | 2019-05-31 | 2019-09-10 | 歌尔股份有限公司 | The processing method of acoustic mode group and acoustic mode group |
| WO2021058011A1 (en) * | 2019-09-29 | 2021-04-01 | 歌尔股份有限公司 | Conductive film for sound production device and sound production device |
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| CN102340724A (en) * | 2010-06-09 | 2012-02-01 | 宝星电子株式会社 | Micro speaker having a linear vibration structure, and method for manufacturing same |
| CN103607683A (en) * | 2013-08-30 | 2014-02-26 | 歌尔声学股份有限公司 | Loudspeaker diaphragm and manufacturing method thereof |
| CN204518071U (en) * | 2015-02-03 | 2015-07-29 | 四川和音电子科技有限公司 | Wideband receiver |
| CN105208499A (en) * | 2015-10-19 | 2015-12-30 | 瑞声光电科技(常州)有限公司 | Micro acoustic generator and method for manufacturing micro acoustic generator |
| CN107277706A (en) * | 2017-04-15 | 2017-10-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
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2018
- 2018-01-12 CN CN201810032051.0A patent/CN108462922B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340724A (en) * | 2010-06-09 | 2012-02-01 | 宝星电子株式会社 | Micro speaker having a linear vibration structure, and method for manufacturing same |
| CN103607683A (en) * | 2013-08-30 | 2014-02-26 | 歌尔声学股份有限公司 | Loudspeaker diaphragm and manufacturing method thereof |
| CN204518071U (en) * | 2015-02-03 | 2015-07-29 | 四川和音电子科技有限公司 | Wideband receiver |
| CN105208499A (en) * | 2015-10-19 | 2015-12-30 | 瑞声光电科技(常州)有限公司 | Micro acoustic generator and method for manufacturing micro acoustic generator |
| CN107277706A (en) * | 2017-04-15 | 2017-10-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110166901A (en) * | 2019-05-31 | 2019-08-23 | 歌尔股份有限公司 | The processing method of vibrating diaphragm component, acoustic mode group and acoustic mode group |
| CN110225438A (en) * | 2019-05-31 | 2019-09-10 | 歌尔股份有限公司 | The processing method of acoustic mode group and acoustic mode group |
| WO2021058011A1 (en) * | 2019-09-29 | 2021-04-01 | 歌尔股份有限公司 | Conductive film for sound production device and sound production device |
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| Publication number | Publication date |
|---|---|
| CN108462922B (en) | 2021-05-14 |
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