CN209375914U - A kind of vibrating diaphragm and the electro-acoustic element using the vibrating diaphragm - Google Patents
A kind of vibrating diaphragm and the electro-acoustic element using the vibrating diaphragm Download PDFInfo
- Publication number
- CN209375914U CN209375914U CN201920191909.8U CN201920191909U CN209375914U CN 209375914 U CN209375914 U CN 209375914U CN 201920191909 U CN201920191909 U CN 201920191909U CN 209375914 U CN209375914 U CN 209375914U
- Authority
- CN
- China
- Prior art keywords
- vibrating diaphragm
- layer
- plastic layer
- ring portion
- tpe
- 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.)
- Active
Links
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model provides a kind of vibrating diaphragm, including ring portion, and the ring portion includes the first plastic layer, and first plastic layer is made of fluoroplastics and thermoplastic elastomer (TPE).A kind of electro-acoustic element, including vibrating diaphragm as described above.With the above mentioned technical proposal, compared with prior art, the advantages of utility model is: the utility model vibrating diaphragm has used fluoroplastics and the mixed and modified plastic film of thermoplastic elastomer (TPE), it solves the problems, such as that pure fluorine plastic film surface adhesion force is small, solves the problems, such as that pure TPEE film heatproof is low, forms sticking mould intolerant to UV glue burn into.By the way that the two is jointly modified, heat resistance, the surface adhesion force, the glue of resistance to UV corrosive power of film can be improved, and form not sticking mould, and then improve the molding ease for operation of vibrating diaphragm.
Description
Technical field
Utility model is related to electroacoustic techniques field.
Specifically, being to be related to a kind of vibrating diaphragm and the electro-acoustic element using the vibrating diaphragm.
Background technique
With the fast development of portable electronic product, as the miniature of the important acoustical device in portable electronic product
Loudspeaker is even more to be widely used.
Microspeaker vibrating diaphragm is mainly by PEEK(polyether-ether-ketone in the prior art), TPU(thermoplastic polyurethane), TPEE
One of materials such as (thermoplastic poly ester type elastomers) are a variety of as substrate, are combined with damping layer, but such profile
Material is still having shortcoming using upper, for example PEEK haves the shortcomings that heatproof is low, modulus is high, elongation percentage is small as substrate,
The disadvantages of TPU, TPEE are as substrate there are heatproofs low, poor rigidity, resistance to glue solvent is poor, molding sticking mould.The above deficiency causes
Loudspeaker can not carry out high-power, large amplitude upgrading, limit the promotion of speaker product performance.
In order to overcome this deficiency, the requirement of innovation just is proposed to relevant diaphragm materials.
Utility model content
The shortcoming for aiming to overcome that above-mentioned traditional technology of utility model, provide a kind of high reliablity, performance it is good,
The electro-acoustic element of corrosion resistant novel vibrating diaphragm and the application vibrating diaphragm.
The purpose of utility model is reached by following technical measures:
A kind of vibrating diaphragm, including ring portion, the ring portion include the first plastic layer, first plastic layer by fluoroplastics and
Thermoplastic elastomer (TPE) is made.
As an improvement: the ring portion further includes the first elastomer layer being set to below the first plastic layer.
As an improvement: the ring portion further includes the first damping layer and being set in turn in below the first plastic layer
One elastomer layer.
As an improvement: the ring portion further includes the second plastic layer being set to below the first elastomer layer.
As an improvement: the ring portion further include be set in turn in the second damping layer below the first elastomer layer and
Second plastic layer.
As an improvement: the ring portion further includes the first damping layer and being set in turn in below the first plastic layer
Two plastic layers.
As an improvement: the ring portion further includes the second damping layer and being set in turn in below the first plastic layer
Two elastomer layers, the ring portion further include the first damping layer and the first elastomer being set in turn in above the first plastic layer
Layer.
As an improvement: second plastic layer is made of fluoroplastics and thermoplastic elastomer (TPE).
As an improvement: the fluoroplastics include polytetrafluoroethylene (PTFE), full fluorine copolymer, poly- perfluoroalkoxy resin, gather
Chlorotrifluoroethylene, one chlorotrifluoroethylene of ethylene, Ethylene/tetrafluoroethylene, Kynoar, in polyvinyl fluoride
It is one or more；
The thermoplastic elastomer (TPE) includes one of TPEE, TPU, TPAE or a variety of.
As an improvement: the ratio between the quality of the fluoroplastics and the quality of thermoplastic elastomer (TPE) is 50-99:1-
50。
As an improvement: first elastomer layer is made of TPEE or TPU or TPAE.
As an improvement: the ring portion with a thickness of 10 μm -100 μm.
As an improvement: first damping layer or the second damping layer are made of acrylate glue or silica gel.
A kind of electro-acoustic element, including vibrating diaphragm as described above.
By adopting the above-described technical solution, compared with prior art, the advantages of utility model, is: the utility model vibrating diaphragm
Fluoroplastics and the mixed and modified plastic film of thermoplastic elastomer (TPE) have been used, have solved that pure fluorine plastic film surface adhesion force is small to ask
Topic solves the problems, such as that pure TPEE film heatproof is low, forms sticking mould intolerant to UV glue burn into.Changed by combining the two
Property, it can be improved heat resistance, the surface adhesion force, the glue of resistance to UV corrosive power of film, and form not sticking mould, and then improve
The molding ease for operation of vibrating diaphragm.
The institute that the utility model vibrating diaphragm has used the fluoroplastics and the mixed and modified plastic film of thermoplastic elastomer (TPE) to be made into
The substrate material in ring portion is stated, so that the vibrating diaphragm has higher heat resistance, elongation percentage compared to tradition PEEK composite diaphragm；Than
Traditional TPEE composite diaphragm has better heat resistance, anticol aqueous corrosion ability and higher molding consistency.
The institute that the utility model vibrating diaphragm has used the fluoroplastics and the mixed and modified plastic film of thermoplastic elastomer (TPE) to be made into
The substrate material for stating ring portion enables the vibrating diaphragm to promote the power and amplitude of electro-acoustic element, improves the electro-acoustic element
Reliability and acoustical behavior.
Utility model is described further with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of vibrating diaphragm of utility model.
Attached drawing 2 is a kind of structural schematic diagram in ring portion in vibrating diaphragm in utility model embodiment 1.
Attached drawing 3 is a kind of structural schematic diagram in ring portion in vibrating diaphragm in utility model embodiment 2.
Attached drawing 4 is a kind of structural schematic diagram in ring portion in vibrating diaphragm in utility model embodiment 3.
Attached drawing 5 is a kind of structural schematic diagram in ring portion in vibrating diaphragm in utility model embodiment 4.
Attached drawing 6 is a kind of structural schematic diagram in ring portion in vibrating diaphragm in utility model embodiment 5.
Attached drawing 7 is a kind of structural schematic diagram in ring portion in vibrating diaphragm in utility model embodiment 6.
Attached drawing 8 is a kind of structural schematic diagram in ring portion in vibrating diaphragm in utility model embodiment 7.
Attached drawing 9 is a kind of structural schematic diagram of electro-acoustic element of utility model.
In figure: 1- top dome portion；2- ring portion；3- stage portion；The first plastic layer of 4-；The first elastomer layer of 5-；6- first hinders
Buddhist nun's layer；The second plastic layer of 7-；The second damping layer of 8-；The second elastomer layer of 9-；10- voice coil；The side 11- magnetic circuit system；Between 12- magnetic
Gap；13- center magnetic path system；14- frame.
Specific embodiment
Embodiment 1: as shown in Fig. 1, a kind of vibrating diaphragm, including top dome portion 1, ring portion 2 and stage portion 3, the top dome portion 1
Positioned at center, the shape in the top dome portion 1 be it is planar, the top dome portion 1 is equipped with reserved mesoporous, the ring portion 2
It is arranged along 1 outer rim border of top dome portion, the stage portion 3 is arranged along 2 outer rim border of ring portion.
Top dome portion 1 with a thickness of 10 μm, the ring portion 2 with a thickness of 10 μm, the stage portion 3 with a thickness of 10 μm.
As shown in Fig. 2, the ring portion 2 includes the first plastic layer 4.
First plastic layer 4 is made up of fluoroplastics and thermoplastic elastomer (TPE) of material made of mixed and modified.
Specifically, the fluoroplastics include polytetrafluoroethylene (PTFE), full fluorine copolymer, poly- perfluoroalkoxy resin, poly- trifluoro chlorine
One of ethylene, one chlorotrifluoroethylene of ethylene, Ethylene/tetrafluoroethylene, Kynoar, polyvinyl fluoride
Or it is a variety of.
The thermoplastic elastomer (TPE) includes one of TPEE, TPU, TPAE or a variety of.
Ratio between the quality of the fluoroplastics and the quality of thermoplastic elastomer (TPE) is 50:50.
The manufacturing process of first plastic layer 4 are as follows:
S1, stock are weighed by the ratio between above-mentioned fluoroplastics and the quality of thermoplastic elastomer (TPE), are stocked up；
The product of step S1 is added mixing grinding machine and mixed by S2, mixing；
The product of step S2 is added extruder, obtains new pellet after extrusion by S3, extrusion；
By melting curtain coating or calendering formation technology film is made in the product of step S3 by S4, film.
The Young's modulus of first plastic layer 4 is 100MPa.
Elongation at break >=300% of first plastic layer 4.
Fusing point >=250 DEG C of first plastic layer 4.
First plastic layer 4 has excellent high temperature resistant, high-elongation, low modulus characteristic, it can be achieved that thermoplastic shaping.Its
It is corrosion-resistant, lower to the sensibility of environment, further improve the reliability of the vibrating diaphragm.
Embodiment 2: as shown in Fig. 1, a kind of vibrating diaphragm, including top dome portion 1, ring portion 2 and stage portion 3, the top dome portion 1
Positioned at center, the shape in the top dome portion 1 be it is planar, the top dome portion 1 is equipped with reserved mesoporous, the ring portion 2
It is arranged along 1 outer rim border of top dome portion, the stage portion 3 is arranged along 2 outer rim border of ring portion.
Top dome portion 1 with a thickness of 25 μm, the ring portion 2 with a thickness of 25 μm, the stage portion 3 with a thickness of 25 μm.
As shown in Fig. 3, the ring portion 2 includes the first plastic layer 4 and the first elastomer layer 5 set gradually.
First plastic layer 4 is made up of fluoroplastics and thermoplastic elastomer (TPE) of material made of mixed and modified.
First elastomer layer 5 is made of TPEE or TPU or TPAE.
Specifically, the fluoroplastics include polytetrafluoroethylene (PTFE), full fluorine copolymer, poly- perfluoroalkoxy resin, poly- trifluoro chlorine
One of ethylene, one chlorotrifluoroethylene of ethylene, Ethylene/tetrafluoroethylene, Kynoar, polyvinyl fluoride
Or it is a variety of.
The thermoplastic elastomer (TPE) includes one of TPEE, TPU, TPAE or a variety of.
Ratio between the quality of the fluoroplastics and the quality of thermoplastic elastomer (TPE) is 58:42.
The manufacturing process of first plastic layer 4 are as follows:
S1, stock are weighed by the ratio between above-mentioned fluoroplastics and the quality of thermoplastic elastomer (TPE), are stocked up；
The product of step S1 is added mixing grinding machine and mixed by S2, mixing；
The product of step S2 is added extruder, obtains new pellet after extrusion by S3, extrusion；
By melting curtain coating or calendering formation technology film is made in the product of step S3 by S4, film.
The Young's modulus of first plastic layer 4 is 250MPa.
Elongation at break >=300% of first plastic layer 4.
Fusing point >=250 DEG C of first plastic layer 4.
First plastic layer 4 has excellent high temperature resistant, high-elongation, low modulus characteristic, it can be achieved that thermoplastic shaping.Its
It is corrosion-resistant, lower to the sensibility of environment, further improve the reliability of the vibrating diaphragm.
First plastic layer 4 is combined with each other with the first elastomer layer 5 by heat pressing process, is played and is promoted vibrating diaphragm entirety
The effect of intensity.
Embodiment 3: as shown in Fig. 1, a kind of vibrating diaphragm, including top dome portion 1, ring portion 2 and stage portion 3, the top dome portion 1
Positioned at center, the shape in the top dome portion 1 be it is planar, the top dome portion 1 is equipped with reserved mesoporous, the ring portion 2
It is arranged along 1 outer rim border of top dome portion, the stage portion 3 is arranged along 2 outer rim border of ring portion.
Top dome portion 1 with a thickness of 40 μm, the ring portion 2 with a thickness of 40 μm, the stage portion 3 with a thickness of 40 μm.
As shown in Fig. 4, the ring portion 2 includes the first plastic layer 4, the first damping layer 6 and the first bullet set gradually
Property body layer 5.
First plastic layer 4 is made up of fluoroplastics and thermoplastic elastomer (TPE) of material made of mixed and modified.
First damping layer 6 is made of acrylate glue or silica gel.
First elastomer layer 5 is made of TPEE or TPU or TPAE.
Specifically, the fluoroplastics include polytetrafluoroethylene (PTFE), full fluorine copolymer, poly- perfluoroalkoxy resin, poly- trifluoro chlorine
One of ethylene, one chlorotrifluoroethylene of ethylene, Ethylene/tetrafluoroethylene, Kynoar, polyvinyl fluoride
Or it is a variety of.
The thermoplastic elastomer (TPE) includes one of TPEE, TPU, TPAE or a variety of.
Ratio between the quality of the fluoroplastics and the quality of thermoplastic elastomer (TPE) is 66:34.
The manufacturing process of first plastic layer 4 are as follows:
S1, stock are weighed by the ratio between above-mentioned fluoroplastics and the quality of thermoplastic elastomer (TPE), are stocked up；
The product of step S1 is added mixing grinding machine and mixed by S2, mixing；
The product of step S2 is added extruder, obtains new pellet after extrusion by S3, extrusion；
By melting curtain coating or calendering formation technology film is made in the product of step S3 by S4, film.
The Young's modulus of first plastic layer 4 is 400MPa.
Elongation at break >=300% of first plastic layer 4.
Fusing point >=250 DEG C of first plastic layer 4.
First plastic layer 4 has excellent high temperature resistant, high-elongation, low modulus characteristic, it can be achieved that thermoplastic shaping.Its
It is corrosion-resistant, lower to the sensibility of environment, further improve the reliability of the vibrating diaphragm.
First damping layer 6 is located at centre and plays bonding effect and damping action, and is compounded in one by combination process
It rises, further promotes intensity.Distortion, the resonance frequency of vibrating diaphragm can be reduced well, it is further to promote acoustical device performance.
Embodiment 4: as shown in Fig. 1, a kind of vibrating diaphragm, including top dome portion 1, ring portion 2 and stage portion 3, the top dome portion 1
Positioned at center, the shape in the top dome portion 1 be it is planar, the top dome portion 1 is equipped with reserved mesoporous, the ring portion 2
It is arranged along 1 outer rim border of top dome portion, the stage portion 3 is arranged along 2 outer rim border of ring portion.
Top dome portion 1 with a thickness of 50 μm, the ring portion 2 with a thickness of 50 μm, the stage portion 3 with a thickness of 50 μm.
As shown in Fig. 5, the ring portion 2 includes the first plastic layer 4 set gradually, the first damping layer 6 and the second modeling
The bed of material 7.
First plastic layer 4 and the second plastic layer 7 are as fluoroplastics and thermoplastic elastomer (TPE) by made of mixed and modified
Material is made.
First damping layer 6 is made of acrylate glue or silica gel.
Specifically, the fluoroplastics include polytetrafluoroethylene (PTFE), full fluorine copolymer, poly- perfluoroalkoxy resin, poly- trifluoro chlorine
One of ethylene, one chlorotrifluoroethylene of ethylene, Ethylene/tetrafluoroethylene, Kynoar, polyvinyl fluoride
Or it is a variety of.
The thermoplastic elastomer (TPE) includes one of TPEE, TPU, TPAE or a variety of.
Ratio between the quality of the fluoroplastics and the quality of thermoplastic elastomer (TPE) is 74:26.
The manufacturing process of first plastic layer 4 and the second plastic layer 7 are as follows:
S1, stock are weighed by the ratio between above-mentioned fluoroplastics and the quality of thermoplastic elastomer (TPE), are stocked up；
The product of step S1 is added mixing grinding machine and mixed by S2, mixing；
The product of step S2 is added extruder, obtains new pellet after extrusion by S3, extrusion；
By melting curtain coating or calendering formation technology film is made in the product of step S3 by S4, film.
The Young's modulus of first plastic layer 4 and the second plastic layer 7 is 500MPa.
Elongation at break >=300% of first plastic layer 4 and the second plastic layer 7.
Fusing point >=250 DEG C of first plastic layer 4 and the second plastic layer 7.
First plastic layer 4 and the second plastic layer 7 have excellent high temperature resistant, high-elongation, low modulus characteristic, can be real
Existing thermoplastic shaping.Its is corrosion-resistant, lower to the sensibility of environment, further improves the reliability of the vibrating diaphragm.
First damping layer 6 is located at centre and plays bonding effect and damping action, and is compounded in one by combination process
It rises, further promotes intensity.Distortion, the resonance frequency of vibrating diaphragm can be reduced well, it is further to promote acoustical device performance.
Embodiment 5: as shown in Fig. 1, a kind of vibrating diaphragm, including top dome portion 1, ring portion 2 and stage portion 3, the top dome portion 1
Positioned at center, the shape in the top dome portion 1 be it is planar, the top dome portion 1 is equipped with reserved mesoporous, the ring portion 2
It is arranged along 1 outer rim border of top dome portion, the stage portion 3 is arranged along 2 outer rim border of ring portion.
Top dome portion 1 with a thickness of 60 μm, the ring portion 2 with a thickness of 60 μm, the stage portion 3 with a thickness of 60 μm.
As shown in Fig. 6, the ring portion 2 includes the first plastic layer 4 set gradually, first the 6, first elasticity of damping layer
Body layer 5 and the second plastic layer 7.
First plastic layer 4 and the second plastic layer 7 are as fluoroplastics and thermoplastic elastomer (TPE) by made of mixed and modified
Material is made.
First damping layer 6 is made of acrylate glue or silica gel.
First elastomer layer 5 is made of TPEE or TPU or TPAE.
Specifically, the fluoroplastics include polytetrafluoroethylene (PTFE), full fluorine copolymer, poly- perfluoroalkoxy resin, poly- trifluoro chlorine
One of ethylene, one chlorotrifluoroethylene of ethylene, Ethylene/tetrafluoroethylene, Kynoar, polyvinyl fluoride
Or it is a variety of.
The thermoplastic elastomer (TPE) includes one of TPEE, TPU, TPAE or a variety of.
Ratio between the quality of the fluoroplastics and the quality of thermoplastic elastomer (TPE) is 82:18.
The manufacturing process of first plastic layer 4 and the second plastic layer 7 are as follows:
S1, stock are weighed by the ratio between above-mentioned fluoroplastics and the quality of thermoplastic elastomer (TPE), are stocked up；
The product of step S1 is added mixing grinding machine and mixed by S2, mixing；
The product of step S2 is added extruder, obtains new pellet after extrusion by S3, extrusion；
By melting curtain coating or calendering formation technology film is made in the product of step S3 by S4, film.
The Young's modulus of first plastic layer 4 and the second plastic layer 7 is 600MPa.
Elongation at break >=300% of first plastic layer 4 and the second plastic layer 7.
Fusing point >=250 DEG C of first plastic layer 4 and the second plastic layer 7.
First plastic layer 4 and the second plastic layer 7 have excellent high temperature resistant, high-elongation, low modulus characteristic, can be real
Existing thermoplastic shaping.Its is corrosion-resistant, lower to the sensibility of environment, further improves the reliability of the vibrating diaphragm.
First damping layer 6, which is located among the first plastic layer 4 and the first elastomer layer 5, plays bonding effect and damping work
With, and be combined with each other by combination process, further promote intensity.Distortion, the resonance frequency of vibrating diaphragm can be reduced well,
It is further to promote acoustical device performance.
Described and the second plastic layer 7 is combined with each other with the first elastomer layer 5 by heat pressing process, and it is whole to play promotion vibrating diaphragm
The effect of body intensity.
Embodiment 6: as shown in Fig. 1, a kind of vibrating diaphragm, including top dome portion 1, ring portion 2 and stage portion 3, the top dome portion 1
Positioned at center, the shape in the top dome portion 1 be it is planar, the top dome portion 1 is equipped with reserved mesoporous, the ring portion 2
It is arranged along 1 outer rim border of top dome portion, the stage portion 3 is arranged along 2 outer rim border of ring portion.
Top dome portion 1 with a thickness of 80 μm, the ring portion 2 with a thickness of 80 μm, the stage portion 3 with a thickness of 80 μm.
As shown in Fig. 7, the ring portion 2 includes the first plastic layer 4 set gradually, first the 6, first elasticity of damping layer
Body layer 5, the second damping layer 8 and the second plastic layer 7.
First plastic layer 4 and the second plastic layer 7 are as fluoroplastics and thermoplastic elastomer (TPE) by made of mixed and modified
Material is made.
First damping layer 6 and the second damping layer 8 are made of acrylate glue or silica gel.
First elastomer layer 5 is made of TPEE or TPU or TPAE.
Specifically, the fluoroplastics include polytetrafluoroethylene (PTFE), full fluorine copolymer, poly- perfluoroalkoxy resin, poly- trifluoro chlorine
One of ethylene, one chlorotrifluoroethylene of ethylene, Ethylene/tetrafluoroethylene, Kynoar, polyvinyl fluoride
Or it is a variety of.
The thermoplastic elastomer (TPE) includes one of TPEE, TPU, TPAE or a variety of.
Ratio between the quality of the fluoroplastics and the quality of thermoplastic elastomer (TPE) is 90:10.
The manufacturing process of first plastic layer 4 and the second plastic layer 7 are as follows:
S1, stock are weighed by the ratio between above-mentioned fluoroplastics and the quality of thermoplastic elastomer (TPE), are stocked up；
The product of step S1 is added mixing grinding machine and mixed by S2, mixing；
The product of step S2 is added extruder, obtains new pellet after extrusion by S3, extrusion；
By melting curtain coating or calendering formation technology film is made in the product of step S3 by S4, film.
The Young's modulus of first plastic layer 4 and the second plastic layer 7 is 800MPa.
Elongation at break >=300% of first plastic layer 4 and the second plastic layer 7.
Fusing point >=250 DEG C of first plastic layer 4 and the second plastic layer 7.
First plastic layer 4 and the second plastic layer 7 have excellent high temperature resistant, high-elongation, low modulus characteristic, can be real
Existing thermoplastic shaping.Its is corrosion-resistant, lower to the sensibility of environment, further improves the reliability of the vibrating diaphragm.
First damping layer 6, which is located among the first plastic layer 4 and the first elastomer layer 5, plays bonding effect and damping work
With, and be combined with each other by combination process, further promote intensity.Distortion, the resonance frequency of vibrating diaphragm can be reduced well,
It is further to promote acoustical device performance.
Second damping layer 8, which is located among the second plastic layer 7 and the first elastomer layer 5, plays bonding effect and damping work
With, and be combined with each other by combination process, further promote intensity.Distortion, the resonance frequency of vibrating diaphragm can be reduced well,
It is further to promote acoustical device performance.
Embodiment 7: as shown in Fig. 1, a kind of vibrating diaphragm, including top dome portion 1, ring portion 2 and stage portion 3, the top dome portion 1
Positioned at center, the shape in the top dome portion 1 be it is planar, the top dome portion 1 is equipped with reserved mesoporous, the ring portion 2
It is arranged along 1 outer rim border of top dome portion, the stage portion 3 is arranged along 2 outer rim border of ring portion.
Top dome portion 1 with a thickness of 100 μm, the ring portion 2 with a thickness of 100 μm, the stage portion 3 with a thickness of 100 μ
m。
As shown in Fig. 8, the ring portion 2 includes the first elastomer layer 5 set gradually, the modeling of the first damping layer 6, first
The bed of material 4, the second damping layer 8 and the second elastomer layer 9.
First plastic layer 4 is made up of fluoroplastics and thermoplastic elastomer (TPE) of material made of mixed and modified.
First damping layer 6 and the second damping layer 8 are made of acrylate glue or silica gel.
First elastomer layer 5 and the second elastomer layer 9 are made of TPEE or TPU or TPAE.
Specifically, the fluoroplastics include polytetrafluoroethylene (PTFE), full fluorine copolymer, poly- perfluoroalkoxy resin, poly- trifluoro chlorine
One of ethylene, one chlorotrifluoroethylene of ethylene, Ethylene/tetrafluoroethylene, Kynoar, polyvinyl fluoride
Or it is a variety of.
The thermoplastic elastomer (TPE) includes one of TPEE, TPU, TPAE or a variety of.
Ratio between the quality of the fluoroplastics and the quality of thermoplastic elastomer (TPE) is 99:1.
The manufacturing process of first plastic layer 4 are as follows:
S1, stock are weighed by the ratio between above-mentioned fluoroplastics and the quality of thermoplastic elastomer (TPE), are stocked up；
The product of step S1 is added mixing grinding machine and mixed by S2, mixing；
The product of step S2 is added extruder, obtains new pellet after extrusion by S3, extrusion；
By melting curtain coating or calendering formation technology film is made in the product of step S3 by S4, film.
The Young's modulus of first plastic layer 4 is 1000MPa.
Elongation at break >=300% of first plastic layer 4.
Fusing point >=250 DEG C of first plastic layer 4.
First plastic layer 4 has excellent high temperature resistant, high-elongation, low modulus characteristic, it can be achieved that thermoplastic shaping.Its
It is corrosion-resistant, lower to the sensibility of environment, further improve the reliability of the vibrating diaphragm.
First damping layer 6, which is located among the first plastic layer 4 and the first elastomer layer 5, plays bonding effect and damping work
With, and be combined with each other by combination process, further promote intensity.Distortion, the resonance frequency of vibrating diaphragm can be reduced well,
It is further to promote acoustical device performance.
Second damping layer 8, which is located among the first plastic layer 4 and the second elastomer layer 9, plays bonding effect and damping work
With, and be combined with each other by combination process, further promote intensity.Distortion, the resonance frequency of vibrating diaphragm can be reduced well,
It is further to promote acoustical device performance.
Embodiment 8: the present embodiment illustrates by taking Microspeaker as an example, as shown in Fig. 9, a kind of electro-acoustic element, including side
Magnetic circuit system 11, center magnetic path system 13 and frame 14 are equipped with magnetic between the side magnetic circuit system 11 and center magnetic path system 13
Gap 12, the magnetic gap 12 is interior to be equipped with voice coil 10.
The voice coil 10 is equipped with one of them described vibrating diaphragm of embodiment 1 to 7 in this way.
Specifically, the top dome portion 1 is Nian Jie with MOME, further voice coil 10 is bonded, and the stage portion 3 and frame 14 are viscous
It connects.
Using one of them described vibrating diaphragm of embodiment 1 to 7 in this way, biggish power and amplitude can be born, sounding is improved
Reliability, the weatherability of device.
Certainly, the electro-acoustic element may be loudspeaker.
Several embodiments of utility model are described in detail above, but the content is only the preferable of utility model
Embodiment should not be construed as limiting the practical range of utility model.It is all to become according to equalization made by utility model application range
Change and improve etc., it should all belong within the patent covering scope of utility model.
Claims (10)
1. a kind of vibrating diaphragm, including ring portion (2), it is characterised in that: the ring portion (2) includes the first plastic layer (4), and described the
One plastic layer (4) is made of fluoroplastics and thermoplastic elastomer (TPE).
2. vibrating diaphragm according to claim 1, it is characterised in that: the ring portion (2) further includes being set to the first plastic layer
(4) the first elastomer layer (5) below.
3. vibrating diaphragm according to claim 1, it is characterised in that: the ring portion (2) further includes being set in turn in the first modeling
The first damping layer (6) and the first elastomer layer (5) below the bed of material (4).
4. vibrating diaphragm according to claim 3, it is characterised in that: the ring portion (2) further includes being set to the first elastomer
The second plastic layer (7) below layer (5).
5. vibrating diaphragm according to claim 3, it is characterised in that: the ring portion (2) further includes being set in turn in the first bullet
The second damping layer (8) and the second plastic layer (7) below property body layer (5).
6. vibrating diaphragm according to claim 1, it is characterised in that: the ring portion (2) further includes being set in turn in the first modeling
The first damping layer (6) and the second plastic layer (7) below the bed of material (4).
7. vibrating diaphragm according to claim 1, it is characterised in that: the ring portion (2) further includes being set in turn in the first modeling
The second damping layer (8) and the second elastomer layer (9) below the bed of material (4), the ring portion (2) further includes being set in turn in first
The first damping layer (6) and the first elastomer layer (5) above plastic layer (4).
8. according to one of them described vibrating diaphragm of claim 4 to 6, it is characterised in that: second plastic layer (7) is by fluoroplastics
It is made with thermoplastic elastomer (TPE).
9. vibrating diaphragm according to claim 8, it is characterised in that: the fluoroplastics include polytetrafluoroethylene (PTFE), full fluorine copolymer,
Poly- perfluoroalkoxy resin, one chlorotrifluoroethylene of ethylene, Ethylene/tetrafluoroethylene, gathers polytrifluorochloroethylene
One of vinylidene, polyvinyl fluoride are a variety of；
The thermoplastic elastomer (TPE) includes one of TPEE, TPU, TPAE or a variety of.
10. a kind of electro-acoustic element, it is characterised in that: including vibrating diaphragm as described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920191909.8U CN209375914U (en) | 2019-02-12 | 2019-02-12 | A kind of vibrating diaphragm and the electro-acoustic element using the vibrating diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920191909.8U CN209375914U (en) | 2019-02-12 | 2019-02-12 | A kind of vibrating diaphragm and the electro-acoustic element using the vibrating diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209375914U true CN209375914U (en) | 2019-09-10 |
Family
ID=67827358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920191909.8U Active CN209375914U (en) | 2019-02-12 | 2019-02-12 | A kind of vibrating diaphragm and the electro-acoustic element using the vibrating diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209375914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110809221A (en) * | 2019-09-17 | 2020-02-18 | 安克创新科技股份有限公司 | Vibrating diaphragm and loudspeaker |
-
2019
- 2019-02-12 CN CN201920191909.8U patent/CN209375914U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110809221A (en) * | 2019-09-17 | 2020-02-18 | 安克创新科技股份有限公司 | Vibrating diaphragm and loudspeaker |
| CN110809221B (en) * | 2019-09-17 | 2022-02-15 | 安克创新科技股份有限公司 | Vibrating diaphragm and loudspeaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109618269A (en) | A kind of vibrating diaphragm and the electro-acoustic element using the vibrating diaphragm | |
| US10200793B2 (en) | Diaphragm assembly and loudspeaker having same | |
| TWI381747B (en) | Micro-speaker device and method of manufacturing the same | |
| US20100040246A1 (en) | Compound membrane, method of manufacturing the same, and acoustic device | |
| WO2015131821A1 (en) | Speaker vibration system | |
| WO2015180289A1 (en) | Loudspeaker diaphragm | |
| KR101777832B1 (en) | Loudspeaker diaphragm and manufacturing method thereof | |
| CN106957466A (en) | Vibrating diaphragm for electroacoustics system and preparation method thereof | |
| JP2014217043A (en) | Bonding structure of diaphragm for micro speaker | |
| CN102823274A (en) | Micro-speaker oscillation plate edge material, micro-speaker oscillation plate, micro-speaker, and electronic apparatus | |
| JP2009540732A (en) | An electrostatic speaker having a breathable vibrating membrane | |
| CN209375914U (en) | A kind of vibrating diaphragm and the electro-acoustic element using the vibrating diaphragm | |
| US20150306628A1 (en) | Method for manufacturing compound diaphragm | |
| WO2022262559A1 (en) | Diaphragm applicable to sound production device, preparation method thereof, and sound production device | |
| CN108859296A (en) | Structure of composite membrane, vibrating diaphragm and sounding device | |
| CN110958544B (en) | Composite vibrating diaphragm for sound production device and sound production device | |
| JP2018042043A (en) | Diaphragm edge material for electroacoustic transducer, diaphragm for electroacoustic transducer, and micro-speaker diaphragm | |
| CN207039878U (en) | A kind of composite diaphragm of high-fidelity headphone loudspeaker | |
| US20100236861A1 (en) | Diaphragm of electro-acoustic transducer | |
| CN206908821U (en) | Vibrating diaphragm and loudspeaker monomer for loudspeaker monomer | |
| CN205754823U (en) | The diaphragm of loudspeaker | |
| CN104811869A (en) | Vibrating film and vibrating film assembling process | |
| JP2013236371A (en) | Diaphragm for speaker integrally formed with different degrees of rigidity in one polymeric film | |
| CN1756445A (en) | Ribbon type sound film of plane loudspeaker and its manufacturing method | |
| CN103227972A (en) | Edge material of micro speaker for the diaphragm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |