CN108650611A - Vibrating diaphragm preparation method, vibrating diaphragm and loud speaker - Google Patents
Vibrating diaphragm preparation method, vibrating diaphragm and loud speaker Download PDFInfo
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- CN108650611A CN108650611A CN201810554430.6A CN201810554430A CN108650611A CN 108650611 A CN108650611 A CN 108650611A CN 201810554430 A CN201810554430 A CN 201810554430A CN 108650611 A CN108650611 A CN 108650611A
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- silica gel
- vibrating diaphragm
- titanium valve
- fluid state
- mixed
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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
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/001—Moulding aspects of diaphragm or surround
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of vibrating diaphragm preparation method, the vibrating diaphragm preparation method includes step：Silica gel is preheated to fluid state；It will mix, and be stirred with reinforcing agent in the silica gel of fluid state, so that the silica gel is uniformly mixed with the reinforcing agent；By the uniformly mixed silica gel curing molding, to prepare vibrating diaphragm.The invention also discloses a kind of vibrating diaphragm and loud speakers.The present invention realizes the rigidity for enhancing vibrating diaphragm under the premise of not increasing vibrating diaphragm thickness.
Description
Technical field
The present invention relates to a kind of speaker technology field more particularly to vibrating diaphragm preparation method, vibrating diaphragm and loud speakers.
Background technology
With the development of electronics industry, sound-producing device of the loud speaker as each electronic product is widely used.It shakes
Film is one of key element of loud speaker, is played the role of to the quality of loud speaker key.Currently, common vibrating diaphragm has in the market
There is plasticity height, easy processing, at low cost, but its rigidity is poor, if to obtain preferable rigidity, needs to shake to increase
Film thickness is cost.That is, or vibrating diaphragm poor rigidity or blocked up, can not accomplish to take into account two aspect characteristic of rigidity and thickness.
Invention content
The main purpose of the present invention is to provide a kind of vibrating diaphragm preparation method, vibrating diaphragm and loud speakers, it is intended to solve existing skill
Vibrating diaphragm can not take into account the technical issues of rigidity and thickness in art.
To achieve the above object, the present invention provides a kind of vibrating diaphragm preparation method, and the vibrating diaphragm preparation method includes following step
Suddenly：
Silica gel is preheated to fluid state；
It will mix, and be stirred with reinforcing agent in the silica gel of fluid state, so that the silica gel and the enhancing
Agent is uniformly mixed；
By the uniformly mixed silica gel curing molding, to prepare vibrating diaphragm.
Preferably, the reinforcing agent is titanium valve, described by before being mixed with reinforcing agent in the silica gel of fluid state, is gone back
Including：
The titanium valve is surface-treated；
Described will be mixed with reinforcing agent in the silica gel of fluid state specifically includes：
It will be mixed with the titanium valve after surface treated in the silica gel of fluid state.
Preferably, it is described to the titanium valve carry out surface treatment specifically include：
Fusion agent is added in the titanium valve；
Described will be mixed with the titanium valve after surface treated in the silica gel of fluid state specifically includes：
By in the silica gel of fluid state, mixed with the titanium valve that fusion agent is added.
Preferably, described also to be wrapped after being mixed with the titanium valve that fusion agent is added in the silica gel of fluid state
It includes：
The silica gel, the fusion agent and the titanium valve of mixing are heated.
Preferably, described also to be wrapped after being mixed with the titanium valve that fusion agent is added in the silica gel of fluid state
It includes：
The silica gel, the fusion agent and the titanium valve of mixing are ultrasonically treated.
Preferably, described also to be wrapped after being mixed with the titanium valve that fusion agent is added in the silica gel of fluid state
It includes：
The silica gel, the fusion agent and the titanium valve of mixing are heated and is ultrasonically treated.
Preferably, the fusion agent includes polyvinyl alcohol, POLYPROPYLENE GLYCOL, and the reinforcing agent further includes glass fiber material.
Preferably, described to be mixed with reinforcing agent in the silica gel of fluid state, and carry out Stirring device body and include：
It will be alternately added in reactor in the silica gel of fluid state and the reinforcing agent, and using corresponding stirring
Rate is stirred, wherein the adjustment frequency of the stir speed (S.S.) and the solidification rate correlation of the silica gel.
In addition, to achieve the above object, the present invention also proposes that a kind of vibrating diaphragm, the vibrating diaphragm use vibrating diaphragm as described above
Preparation method is prepared.
In addition, to achieve the above object, the present invention also proposes that a kind of loud speaker, the loud speaker include as described above
Vibrating diaphragm.
Scheme proposed by the present invention then will be in the silica gel of fluid state and increasing by the way that silica gel is preheated to fluid state
Strong agent mixing, and be stirred, so that silica gel is uniformly mixed with reinforcing agent, by uniformly mixed silica gel curing molding, using solidification
Molding silica gel prepares vibrating diaphragm.Due to being mixed with the high reinforcing agent of intensity in the silica gel of curing molding, it is thereby achieved that not increasing
Under the premise of adding vibrating diaphragm thickness, enhance the rigidity of vibrating diaphragm.
Description of the drawings
Fig. 1 is the flow diagram of vibrating diaphragm preparation method first embodiment of the present invention；
Fig. 2 is the flow diagram of vibrating diaphragm preparation method second embodiment of the present invention；
Fig. 3 is the flow diagram of vibrating diaphragm preparation method 3rd embodiment of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of vibrating diaphragm preparation method.
Referring to Fig.1, Fig. 1 is the flow diagram of vibrating diaphragm preparation method first embodiment of the present invention.In the present embodiment, institute
Vibrating diaphragm preparation method is stated to include the following steps：
Silica gel is preheated to fluid state by step S10；
Step S20 will be mixed with reinforcing agent in the silica gel of fluid state, and is stirred so that the silica gel with
The reinforcing agent is uniformly mixed；
Step S30, by the uniformly mixed silica gel curing molding, to prepare vibrating diaphragm.
Vibrating diaphragm, one of the key element as loud speaker, largely affects the quality of loud speaker.Vibrating diaphragm is one
A element very sensitive for changes of magnetic field, when electric signal passes through coil, magnetic field generates variation, and vibrating diaphragm stress is caused to become
Shape quickly due to change in electric leads to vibrating diaphragm vibration at high speed, then pass to air by vibration of membrane of shaking, to produce
Sound wave.Currently, common vibrating diaphragm has the advantages that plasticity height, easy processing, at low cost in the market, but its rigidity is poor, if
Preferable rigidity is obtained, is needed to increase vibrating diaphragm thickness as cost.That is, or vibrating diaphragm poor rigidity or blocked up, can not do
To taking into account two aspect characteristic of rigidity and thickness.
The rigidity and thickness of vibrating diaphragm in order to balance in the present embodiment, proposes a kind of vibrating diaphragm preparation method, in the vibrating diaphragm system of progress
When standby, first the raw material silica gel of vibrating diaphragm is preheated, until silica gel is preheated to fluid state.
After silica gel heating to fluid state, it will be mixed with corresponding reinforcing agent in the silica gel of fluid state, and stirred
It mixes.Wherein, reinforcing agent includes titanium valve, the higher material of glass fiber material equal strength.By stirring, keep silica gel mixed with reinforcing agent
It closes uniform.
For example, after silica gel heating to fluid state, will be mixed with titanium valve in the silica gel of fluid state, and be stirred,
Silica gel is set to be uniformly mixed with titanium valve.
After silica gel is uniformly mixed with reinforcing agent, by uniformly mixed silica gel curing molding, with using curing molding
Silica gel prepares vibrating diaphragm.For example, the silica gel of curing molding is prepared the vibrating diaphragm of required specification by cutting technique.
Scheme provided in this embodiment, by the way that silica gel is preheated to fluid state, then by the silica gel of fluid state with
Reinforcing agent mixes, and is stirred, and silica gel is made to be uniformly mixed with reinforcing agent, by uniformly mixed silica gel curing molding, using solid
Change molding silica gel and prepares vibrating diaphragm.Due to being mixed with the high reinforcing agent of intensity in the silica gel of curing molding, it is thereby achieved that not
Under the premise of increasing vibrating diaphragm thickness, enhance the rigidity of vibrating diaphragm.
Further, as shown in Fig. 2, proposing vibrating diaphragm preparation method second embodiment of the present invention.Vibrating diaphragm preparation method second
Difference lies in vibrating diaphragm preparation method second embodiment, with reinforcing agent with vibrating diaphragm preparation method first embodiment for embodiment
For titanium valve, before the step S20, further include：
Step S40 is surface-treated the titanium valve；
The step S20 includes：
Step S21 will be mixed with the titanium valve after surface treated in the silica gel of fluid state, and be stirred
It mixes, so that the silica gel is uniformly mixed with the titanium valve.
In the present embodiment, using titanium valve as reinforcing agent for carry out vibrating diaphragm preparation.Due to the large specific surface area of titanium valve, inciting somebody to action
After titanium valve is mixed with silica gel, easily cause reunion, cause to mix it is uneven so that the rigidity of prepared vibrating diaphragm cannot obtain
It is improved to good.Therefore, will be in flow-like in the present embodiment in order to further effectively improve the rigidity of prepared vibrating diaphragm
Before the silica gel of state is mixed with the titanium valve as reinforcing agent, first titanium valve is surface-treated, it then again will be in fluid state
Silica gel is mixed with the titanium valve after surface treated, and is stirred, so that silica gel is uniformly mixed with titanium valve.
Optionally, the step S40 includes：
Fusion agent is added in the titanium valve in step a；
The step S21 includes：
Step b is mixed in the silica gel of fluid state with the titanium valve that fusion agent is added.
Optionally, will be in that the silica gel of fluid state is mixed with titanium valve in order to enable titanium valve and silica gel to be sufficiently mixed uniformly
Before conjunction, the fusion agent of low-surface-energy is first added in titanium valve.Wherein, fusion agent includes but not limited to polyvinyl alcohol, polypropylene
Alcohol etc..
And then the silica gel that fluid state will be preheated to, it is mixed with the titanium valve that fusion agent is added, and be stirred.It is logical
The effect for crossing fusion agent makes silica gel be sufficiently mixed uniformly with titanium valve, uneven to avoid mixing with titanium valve due to silica gel, and leads
The case where causing the rigidity of prepared vibrating diaphragm that cannot be improved very well occurs.
Further, first right before fusion agent is added in titanium valve in order to ensure silica gel and titanium valve are sufficiently mixed uniformly
Fusion agent is pre-processed, to increase the hydroxy radical content in fusion agent.For example, by taking fusion agent is polyvinyl alcohol as an example, by right
Polyvinyl alcohol carries out hydrogen peroxide pretreatment, increases the hydroxy radical content in polyvinyl alcohol.Hydroxy radical content in polyvinyl alcohol is high, from
And its merging with the silica gel of fluid state is enhanced, and then just enhance silica gel and mixed with the uniform of titanium valve.
Optionally, in a kind of implementation example, after the step b, further include：
Step c heats the silica gel, the fusion agent and the titanium valve of mixing.
In order to further such that silica gel and titanium valve are sufficiently mixed uniformly, in a kind of implementation example, when stream will be preheated to
The silica gel of body state is not only constantly stirred, after being mixed with the titanium valve that fusion agent is added also to mixed silica gel, fusion agent
Heated with titanium valve, by fusion agent and silica gel graft reaction when heated, hydrogen bond is formed, to enhance fusion agent
With merging for the silica gel of fluid state, and then just enhances silica gel and mixed with the uniform of titanium valve.For example, still with fusion agent for poly- second
For enol, mixed silica gel, polyvinyl alcohol and titanium valve are heated, connect when heated with silica gel by polyvinyl alcohol
Branch reaction, forms hydrogen bond, to enhance merging for polyvinyl alcohol and the silica gel of fluid state, and then just enhances silica gel and titanium
The uniform mixing of powder.
Optionally, in another kind implements example, after the step b, further include：
Step d is ultrasonically treated the silica gel, the fusion agent and the titanium valve of mixing.
In another kind implements example, when the silica gel that will be preheated to fluid state, mixed with the titanium valve that fusion agent is added
Afterwards, it is not only constantly stirred, also mixed silica gel, fusion agent and titanium valve is ultrasonically treated, pass through fusion agent and silica gel
Supersonic boundary surface fusion after being ultrasonically treated, to enhance merging for fusion agent and the silica gel of fluid state, and then just increases
Strong silica gel is mixed with the uniform of titanium valve.For example, still by taking fusion agent is polyvinyl alcohol as an example, to mixed silica gel, polyvinyl alcohol
It is ultrasonically treated, is merged with the supersonic boundary surface of silica gel by polyvinyl alcohol, polyvinyl alcohol can be fully anti-with silica gel with titanium valve
It answers, is finally reached and is fixing titanium valve, be allowed to be uniformly dispersed the purpose in silica gel.
Optionally, the handling duration being ultrasonically treated to mixed silica gel, fusion agent and titanium valve is pre-set.For example,
It is 3-12 hours that the handling duration being ultrasonically treated, which is arranged,.
Optionally, in another implementation example, after the step b, further include：
Step e is heated and is ultrasonically treated to the silica gel, the fusion agent and the titanium valve of mixing.
In another implementation example, when the silica gel that will be preheated to fluid state, mixed with the titanium valve that fusion agent is added
Afterwards, be not only constantly stirred, also mixed silica gel, fusion agent and titanium valve heated, at the same to mixed silica gel,
Fusion agent and titanium valve are ultrasonically treated, by heating and being ultrasonically treated, to further enhance fusion agent and fluid
The fusion of the silica gel of state, and then enhance silica gel and mixed with the uniform of titanium valve.
After silica gel is uniformly mixed with titanium valve, by uniformly mixed silica gel curing molding, with using the silicon of curing molding
Glue prepares vibrating diaphragm.
The present embodiment propose scheme, by be in fluid state silica gel mixed with the titanium valve as reinforcing agent before, elder generation
Titanium valve is surface-treated, then will be mixed again with the titanium valve after surface treated in the silica gel of fluid state, so that it is guaranteed that
Silica gel is sufficiently mixed uniformly with titanium valve, is prepared vibrating diaphragm using the silica gel of curing molding, is further enhanced the rigidity of vibrating diaphragm.
Further, as shown in figure 3, proposing vibrating diaphragm preparation method 3rd embodiment of the present invention.Vibrating diaphragm preparation method third
Difference lies in vibrating diaphragm preparation side for embodiment and vibrating diaphragm preparation method first embodiment or vibrating diaphragm preparation method second embodiment
In method 3rd embodiment, the step S20 includes：
Step S22 will be alternately added in reactor in the silica gel of fluid state and the reinforcing agent, and use phase
The stir speed (S.S.) answered is stirred, so that the silica gel is uniformly mixed with the reinforcing agent, wherein the adjustment of the stir speed (S.S.)
The solidification rate correlation of frequency and the silica gel.
In the present embodiment, in order to further ensure that the reinforcing agents such as silica gel and titanium valve, glass fiber material are sufficiently mixed uniformly,
After silica gel is preheated to fluid state, during being mixed with reinforcing agent in the silica gel of fluid state, by that will be in stream
The silica gel of body state is alternately added with reinforcing agent in reactor, and is stirred, so that silica gel is fully mixed with reinforcing agent
It closes uniform.
Optionally, it in whipping process, is stirred using corresponding stir speed (S.S.), stir speed (S.S.) is not to immobilize
's.For example, optionally stir speed (S.S.) is adjusted according to distribution of the reinforcing agent in silica gel, when reinforcing agent is in silica gel
Distribution is more uneven, namely when more disperseing, and stir speed (S.S.) is higher；And distribution of the reinforcing agent in silica gel is more uniform, stir speed (S.S.)
It is lower.
Optionally, the solidification rate correlation of the adjustment frequency of stir speed (S.S.) and silica gel, in whipping process, no
It is disconnected to reduce stir speed (S.S.), the adjustment frequency of stir speed (S.S.) and the solidification rate positive correlation of silica gel, according to the solidification rate of silica gel, come
The reduction frequency for determining stir speed (S.S.) to avoid stir speed (S.S.) too soon or too slow, and causes bubble to generate, and can not distribute
It goes, and bubble can seriously affect mix uniformly effect of the reinforcing agents such as titanium valve, glass fiber material in silica gel.Therefore, pass through
Adjustment to stir speed (S.S.) further improves the mix uniformly effect of reinforcing agent and silica gel, and the silica gel is used to improve
The rigidity of the vibrating diaphragm of preparation.
The scheme that the present embodiment proposes, by will be in that silica gel and the reinforcing agent of fluid state is alternately added in reactor,
And be stirred using corresponding stir speed (S.S.), to further improve the mix uniformly effect of reinforcing agent and silica gel, in turn
Improve the rigidity of the vibrating diaphragm prepared using the silica gel.
The present invention also provides a kind of vibrating diaphragms.
Vibrating diaphragm proposed by the present invention, specific preparation manipulation can refer to described in above-mentioned each embodiment of vibrating diaphragm preparation method,
This is repeated no more.
The present embodiment propose scheme, by the way that silica gel is preheated to fluid state, then by the silica gel of fluid state with
Reinforcing agent mixes, and is stirred, and silica gel is made to be uniformly mixed with reinforcing agent, by uniformly mixed silica gel curing molding, using solid
Change molding silica gel and prepares vibrating diaphragm.Due to being mixed with the high reinforcing agent of intensity in the silica gel of curing molding, it is thereby achieved that not
Under the premise of increasing vibrating diaphragm thickness, enhance the rigidity of vibrating diaphragm.
The present invention also provides a kind of loud speakers.
Loud speaker proposed by the present invention, including vibrating diaphragm, the vibrating diaphragm are vibrating diaphragm proposed by the present invention, and use is proposed by the present invention
Vibrating diaphragm preparation method is prepared, and specific preparation manipulation can refer to described in above-mentioned each embodiment of vibrating diaphragm preparation method, herein no longer
It repeats.
The vibrating diaphragm of the scheme that the present embodiment proposes, loud speaker is by the way that silica gel is preheated to fluid state, then will be in stream
The silica gel of body state is mixed with reinforcing agent, and is stirred, and silica gel is made to be uniformly mixed with reinforcing agent, by uniformly mixed silica gel solid
Chemical conversion type is prepared using the silica gel of curing molding.Due to being mixed with the high reinforcing agent of intensity in the silica gel of curing molding, because
This, realizes the rigidity for enhancing vibrating diaphragm under the premise of not increasing vibrating diaphragm thickness, namely improves the performance of vibrating diaphragm, Jin Erti
The quality of the high loud speaker using the vibrating diaphragm.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or device.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of vibrating diaphragm preparation method, which is characterized in that the vibrating diaphragm preparation method includes the following steps：
Silica gel is preheated to fluid state；
It will mix, and be stirred with reinforcing agent in the silica gel of fluid state, so that the silica gel is mixed with the reinforcing agent
It closes uniform；
By the uniformly mixed silica gel curing molding, to prepare vibrating diaphragm.
2. vibrating diaphragm preparation method as described in claim 1, which is characterized in that the reinforcing agent is titanium valve, and described will be in fluid
Before the silica gel of state is mixed with reinforcing agent, further include：
The titanium valve is surface-treated；
Described will be mixed with reinforcing agent in the silica gel of fluid state specifically includes：
It will be mixed with the titanium valve after surface treated in the silica gel of fluid state.
3. vibrating diaphragm preparation method as claimed in claim 2, which is characterized in that described to the titanium valve be surface-treated specifically
Including：
Fusion agent is added in the titanium valve；
Described will be mixed with the titanium valve after surface treated in the silica gel of fluid state specifically includes：
By in the silica gel of fluid state, mixed with the titanium valve that fusion agent is added.
4. vibrating diaphragm preparation method as claimed in claim 3, which is characterized in that it is described by the silica gel of fluid state, with
It is added after the titanium valve mixing of fusion agent, further includes：
The silica gel, the fusion agent and the titanium valve of mixing are heated.
5. vibrating diaphragm preparation method as claimed in claim 3, which is characterized in that it is described by the silica gel of fluid state, with
It is added after the titanium valve mixing of fusion agent, further includes：
The silica gel, the fusion agent and the titanium valve of mixing are ultrasonically treated.
6. vibrating diaphragm preparation method as claimed in claim 3, which is characterized in that it is described by the silica gel of fluid state, with
It is added after the titanium valve mixing of fusion agent, further includes：
The silica gel, the fusion agent and the titanium valve of mixing are heated and is ultrasonically treated.
7. vibrating diaphragm preparation method as claimed in claim 3, which is characterized in that the fusion agent includes polyvinyl alcohol, polypropylene
Alcohol, the reinforcing agent further include glass fiber material.
8. such as claim 1-7 any one of them vibrating diaphragm preparation methods, which is characterized in that it is described will be in described in fluid state
Silica gel is mixed with reinforcing agent, and is carried out Stirring device body and included：
It will be alternately added in reactor in the silica gel of fluid state and the reinforcing agent, and use corresponding stir speed (S.S.)
It is stirred, wherein the adjustment frequency of the stir speed (S.S.) and the solidification rate correlation of the silica gel.
9. a kind of vibrating diaphragm, which is characterized in that the vibrating diaphragm is using the vibrating diaphragm preparation method as described in any one of claim 1-8
It is prepared.
10. a kind of loud speaker, which is characterized in that the loud speaker includes vibrating diaphragm as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810554430.6A CN108650611B (en) | 2018-05-31 | 2018-05-31 | Diaphragm preparation method, diaphragm and loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810554430.6A CN108650611B (en) | 2018-05-31 | 2018-05-31 | Diaphragm preparation method, diaphragm and loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108650611A true CN108650611A (en) | 2018-10-12 |
| CN108650611B CN108650611B (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810554430.6A Active CN108650611B (en) | 2018-05-31 | 2018-05-31 | Diaphragm preparation method, diaphragm and loudspeaker |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203675306U (en) * | 2013-07-17 | 2014-06-25 | 嵊州市天乐电声科技有限公司 | Loudspeaker vibration diaphragm for mobile phone and tablet computer |
| CN105025428A (en) * | 2014-04-30 | 2015-11-04 | 福建省辉锐材料科技有限公司 | Loudspeaker diaphragm preparation method |
| CN205029853U (en) * | 2015-10-27 | 2016-02-10 | 歌尔声学股份有限公司 | Silica gel vibrating diaphragm and speaker |
| CN206461767U (en) * | 2016-12-28 | 2017-09-01 | 歌尔股份有限公司 | Silica gel vibrating diaphragm and sound-producing device monomer |
-
2018
- 2018-05-31 CN CN201810554430.6A patent/CN108650611B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203675306U (en) * | 2013-07-17 | 2014-06-25 | 嵊州市天乐电声科技有限公司 | Loudspeaker vibration diaphragm for mobile phone and tablet computer |
| CN105025428A (en) * | 2014-04-30 | 2015-11-04 | 福建省辉锐材料科技有限公司 | Loudspeaker diaphragm preparation method |
| CN205029853U (en) * | 2015-10-27 | 2016-02-10 | 歌尔声学股份有限公司 | Silica gel vibrating diaphragm and speaker |
| CN206461767U (en) * | 2016-12-28 | 2017-09-01 | 歌尔股份有限公司 | Silica gel vibrating diaphragm and sound-producing device monomer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108650611B (en) | 2020-10-02 |
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