CN107318070A - Vibrating diaphragm and sound-producing device for sound-producing device - Google Patents
Vibrating diaphragm and sound-producing device for sound-producing device Download PDFInfo
- Publication number
- CN107318070A CN107318070A CN201710638971.2A CN201710638971A CN107318070A CN 107318070 A CN107318070 A CN 107318070A CN 201710638971 A CN201710638971 A CN 201710638971A CN 107318070 A CN107318070 A CN 107318070A
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- film layer
- film
- layer
- tpsiu
- vibrating diaphragm
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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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
-
- 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
-
- 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
- H04R2207/00—Details of diaphragms or cones for electromechanical transducers or their suspension covered by H04R7/00 but not provided for in H04R7/00 or in H04R2307/00
- H04R2207/021—Diaphragm extensions, not necessarily integrally formed, e.g. skirts, rims, flanges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of vibrating diaphragm for sound-producing device.At least one in ring portion and the fixed part around the setting of ring portion that the vibrating diaphragm is set including central part, around central part, the central part, the ring portion and the fixed part includes the TPSiU film layers being made by TPSiU.The characteristics of vibrating diaphragm has intensity height, temperature tolerance, resistant to chemical etching, water resistance and good resilience.
Description
Technical field
The present invention relates to electroacoustic switch technology field, more particularly, to a kind of vibrating diaphragm and hair for sound-producing device
Acoustic device.
Background technology
At present, in Microspeaker, manufacturer generally uses conventional polyurethanes class (TPU) thermoplastic elastomer (TPE), engineering
The composite of plastics and glued membrane is used as vibrating diaphragm.But with continuing to develop for the acoustic product market demand, user is to loudspeaker sound
Learn performance and reliability proposes higher requirement.
For example, the running power of loudspeaker requires more and more higher, the duration of runs requires increasingly longer, and this needs vibrating diaphragm can
Bear higher temperature and do not allow in big power vibration easily rupturable.And the performance such as the high temperature resistant of existing vibrating diaphragm, tear-resistant is not
The requirement of acoustics and reliability can be met.
In addition, the globalization use of loudspeaker is, it is necessary to which loudspeaker has preferable resistance to low temperature.And common thermoplastic's bullet
The lower temperature resistance of property body vibrating diaphragm can meet demand.
In addition, loudspeaker water resistance requires more and more higher, this needs vibrating diaphragm to have preferable resilience.And existing vibrating diaphragm
Resilience have certain limitation, it is difficult to meet high waterproof requirement.
In addition, loudspeaker uses a variety of glue in an assembling process, this needs vibrating diaphragm to have preferable chemical resistance.And show
The chemical resistance of some vibrating diaphragms can not meet this demand.
The content of the invention
It is an object of the present invention to provide a kind of new solution of the vibrating diaphragm for sound-producing device.
According to the first aspect of the invention there is provided a kind of vibrating diaphragm for sound-producing device, the vibrating diaphragm include central part,
The ring portion set around central part and the fixed part set around ring portion, the central part, the ring portion and described
At least one in fixed part includes the TPSiU film layers being made by TPSiU.
Alternatively, the vibrating diaphragm includes the first film layer and the second film layer, and first film layer and second film layer are compound
Together, second film layer is made by engineering plastics, and first film layer is the TPSiU film layers.
Alternatively, the vibrating diaphragm includes the first film layer, the second film layer and third membrane layer, and second film layer is located at described the
Between one film layer and the third membrane layer, and three film layers are combined with each other；
First film layer is the TPSiU film layers, and the third membrane layer is made by engineering plastics, second film
Layer is damping glue-line；Or
First film layer and the third membrane layer are the TPSiU film layers, and second film layer is damping glue-line；Or
First film layer and the third membrane layer are the TPSiU film layers, and second film layer is made by engineering plastics
Form；Or
First film layer and the third membrane layer are the TPSiU film layers, and second film layer is by common thermoplastic's bullet
Property body is made.
Alternatively, the vibrating diaphragm include the first film layer, the second film layer, third membrane layer and the 4th film layer, first film layer,
Second film layer, the third membrane layer and the 4th film layer are arranged in order and are combined with each other；
First film layer is the TPSiU film layers, and second film layer is damping glue-line, and the third membrane layer is by common
Thermoplastic elastomer (TPE) is made, and the 4th film layer is made by engineering plastics；Or
First film layer and the third membrane layer are the TPSiU film layers, and second film layer is damping glue-line, described
4th film layer is made by engineering plastics；Or
First film layer and the 4th film layer are the TPSiU film layers, and second film layer is damping glue-line；It is described
Third membrane layer is made by engineering plastics or common thermoplastic's elastomer.
Alternatively, the vibrating diaphragm includes the first film layer, the second film layer, third membrane layer, the 4th film layer and the 5th film layer, described
First film layer, second film layer, the third membrane layer, the 4th film layer and the 5th film layer are arranged in order and are combined
Together；
First film layer and the 5th film layer are made by engineering plastics, second film layer and the 4th film
Layer is the TPSiU film layers, and the third membrane layer is damping glue-line；Or
First film layer, the third membrane layer and the 5th film layer be the TPSiU film layers, second film layer and
4th film layer is damping glue-line；Or
First film layer, the 5th film layer are the TPSiU film layers, and second film layer and the 4th film layer are
Glue-line is damped, the third membrane layer is made by engineering plastics or common thermoplastic's elastomer；Or
First film layer and the 5th film layer are made by engineering plastics, second film layer and the 4th film
Layer is damping glue-line, and the third membrane layer is the TPSiU film layers.
Alternatively, the vibrating diaphragm includes the film layer that is made by engineering plastics, the engineering plastics be selected from polyether-ether-ketone,
Polyarylate, PEI, polyimides, polyphenylene sulfide, PEN and polyethylene terephthalate
In any one.
Alternatively, the vibrating diaphragm includes the film layer being made by common thermoplastic's elastomer, common thermoplastic's bullet
Property body be selected from styrenic elastomer, olefin type elastomer, diene class elastomer, polyvinyl chloride-base elastomer, urethane class elastomer,
It is any one in esters elastomer, amide-type elastomer, organic fluoride class elastomer, organic silicon elastomer and vinyl elastomer
Kind.
Alternatively, the vibrating diaphragm includes damping glue-line, and the damping glue-line is damped by acrylic compounds damping glue, organic silicon
Any one in glue, polyurethanes damping glue and epoxies damping glue is made.
Alternatively, the thickness of the TPSiU film layers is 2-100 μm.
There is provided a kind of sound-producing device according to another aspect of the present invention.The sound-producing device includes what the present invention was provided
The vibrating diaphragm.
It was found by the inventors of the present invention that in the prior art, in Microspeaker, manufacturer is generally using common poly- ammonia
The composite of esters (TPU) thermoplastic elastomer (TPE), engineering plastics and glued membrane is used as vibrating diaphragm.The temperature tolerance of the vibrating diaphragm, water proofing property,
Chemical resistance is poor.Therefore, the technical assignment or technical problem to be solved that the present invention to be realized are art technologies
It is that personnel never expect or it is not expected that, therefore the present invention is a kind of new technical scheme.
By referring to the drawings to the detailed description of the exemplary embodiment of the present invention, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing for being combined in the description and constituting a part for specification shows embodiments of the invention, and even
It is used for the principle for explaining the present invention together with its explanation.
Fig. 1 is the sectional view of vibrating diaphragm according to an embodiment of the invention.
Fig. 2 is the sectional view of a part for monofilm layer vibrating diaphragm according to an embodiment of the invention.
Fig. 3 is the sectional view of a part for according to an embodiment of the invention pair of film layer vibrating diaphragm.
Fig. 4-5 is the sectional view of a part for three film layers vibrating diaphragm according to an embodiment of the invention.
Fig. 6-9 is the sectional view of a part for four film layers vibrating diaphragm according to an embodiment of the invention.
Figure 10-14 is the sectional view of a part for five film layers vibrating diaphragm according to an embodiment of the invention.
Description of reference numerals：
11：First film layer；12：Second film layer；13：Third membrane layer；14：4th film layer；15：5th film layer；16：Center
Portion；17：Ring portion；18：Fixed part.
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that：Unless had in addition
Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments does not limit this
The scope of invention.
The description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And its any limitation applied or used.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as a part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
There is provided a kind of vibrating diaphragm for sound-producing device according to one embodiment of present invention.The vibrating diaphragm includes central part
16th, the ring portion 17 set around central part 16 and the fixed part 18 set around ring portion 17.Wherein, central part 16, folding
At least one in ring portion 17 and fixed part 18 includes the TPSiU film layers being made by TPSiU.
TPSiU (thermoplastic polyurethane elastomer silicone) is a kind of by organic-silicon-modified thermoplastic polyurethane.With biography
Common thermoplastic's elastomer phase ratios such as the TPU (TPUE) and TPEE (thermoplastic polyester elastomer) of system,
Si-O introducing in TPSiU, increases the temperature applicable range of vibrating diaphragm, improves the temperature tolerance of vibrating diaphragm, and this causes vibrating diaphragm in height
Operation is difficult rupture of membranes under temperature, low temperature environment.
In addition, with common thermoplastic's elastomer phase ratio such as traditional TPU and TPEE, Si-O introducing, makes in TPSiU materials
The overall resilience increase of vibrating diaphragm is obtained, and surface can be reduced, and improve the hydrophobicity of vibrating diaphragm, will with the waterproof for meeting loudspeaker
Ask.
In addition, the vibrating diaphragm that the thermoplastic elastomer (TPE) such as TPU and TPEE is made, easily rotten by glue during assembling product
Erosion, the problems such as causing poor attachment, curling, rupture of membranes.TPSiU materials have preferable chemical-resistance, by increasing capacitance it is possible to increase binding agent
Range of choice, reduce because caused by chemical attack product it is bad, improve the reliability and yield of vibrating diaphragm.
In addition, compared with elastomer silicone vibrating diaphragm, TPSiU materials have higher mechanical strength and adhesive force, and are
Thermoplastic, disclosure satisfy that the Structural Design Requirement of vibrating diaphragm.
In an embodiment of the present invention, at least one in the central part 16 of vibrating diaphragm, ring portion 17 and fixed part 18 includes
By TPSiU film layers.This causes vibrating diaphragm to have wider temperature applicable range, good resilience and chemical resistance, good anti-
Aqueous energy and good mechanical strength and adhesive force.
In addition, the vibrating diaphragm has taken into account the advantage of conventional thermoplastic's elastomer and elastomer silicone, thus effectively increase
The performances such as temperature tolerance, water proofing property, the chemical resistance of sound-producing device, improve the overall performance of sound-producing device.
In example in detail below, " the first film layer ", " the second film layer ", " third membrane layer ", " the 4th film layer ", " the 5th film
Layer " represents to start the hierachy number that is sequentially arranged to opposite side from the side of vibrating diaphragm.
Fig. 1 is the sectional view of vibrating diaphragm according to an embodiment of the invention.Fig. 2 is according to one embodiment of present invention
Monofilm layer vibrating diaphragm a part sectional view.
As shown in Figure 1-2, the vibrating diaphragm is monofilm Rotating fields, i.e. TPSiU film layers are separately as vibrating diaphragm.In this example embodiment, shake
Central part 16, ring portion 17 and the fixed part 18 of film are structure as a whole.The vibrating diaphragm can be formed by the way of flow casting molding.
Alternatively, the thickness of TPSiU film layers is 2-100 μm.The thickness can guarantee that vibrating diaphragm there is intensity height, it is temperature tolerance, resistance to
The characteristics of chemical attack and good resilience.Preferably, the thickness of TPSiU film layers is 20-100 μm.
TPSiU film layers are also used as one layer in composite diaphragm.Composite diaphragm is i.e. by shaking that multiple film layers are composited
Film.TPSiU film layers can as composite diaphragm top layer or intermediate layer.
Fig. 3 is the sectional view of a part for according to an embodiment of the invention pair of film layer vibrating diaphragm.
As shown in figure 3, the vibrating diaphragm includes the first film layer 11 and the second film layer 12.First film layer 11 and the second film layer 12 are compound
Together.Second film layer 12 is made by engineering plastics, i.e. engineering plastics film layer.First film layer 11 is TPSiU film layers.
In this example embodiment, the first film layer 11 and the second film layer 12 can be combined with each other by the way of hot pressing laminating.
Engineering plastics have the characteristics of intensity is high.
Alternatively, engineering plastics are selected from polyether-ether-ketone (PEEK), polyarylate (PAR), PEI (PEI), polyamides Asia
Appointing in amine (PI), polyphenylene sulfide (PPS), PEN (PEN) and polyethylene terephthalate (PET)
Meaning is a kind of.
Alternatively, the thickness of TPSiU film layers is 2-100 μm.Preferably, the thickness of TPSiU film layers is 2-30 μm.
Those skilled in the art can set the thickness of engineering plastics film layer according to actual needs.Double film layer structures can be used
In at least one in ring portion 17, central part 16 and fixed part 18.
Preferably, the thickness of engineering plastics film layer is 2-30 μm.The thickness ensure that vibrating diaphragm has enough intensity.
Vibrating diaphragm with the composite film structure has intensity height, temperature tolerance, resistant to chemical etching, water proofing property and resilience
Good the characteristics of.
Fig. 4-5 is the sectional view of a part for three film layers vibrating diaphragm according to an embodiment of the invention.
As illustrated in figures 4-5, the vibrating diaphragm includes the first film layer 11, the second film layer 12 and third membrane layer 13.Second film layer 12
Between the first film layer 11 and third membrane layer 13, and three film layers 11,12,13 are combined with each other.
In one example, as shown in figure 4, the first film layer 11 is TPSiU film layers.Third membrane layer 13 is made by engineering plastics
Form.Second film layer 12 is damping glue-line.
In one example, as shown in figure 5, the first film layer 11 and third membrane layer 13 are TPSiU film layers, the second film layer 12 is
Damp glue-line.
In two examples, damping glue-line has high damping characteristic.Damping glue-line can improve the damping of vibrating diaphragm, reduce
The noise of sound-producing device.
Alternatively, damping glue-line is by acrylic compounds damping glue, organic silicon damping glue, polyurethanes damping glue and epoxies
Any one in damping glue is made.
Further, since damping glue-line has viscosity in itself, therefore carrying out compound tense, TPSiU film layers and engineering plastics film
Layer can directly be attached to the surface of damping glue-line.This causes the making of vibrating diaphragm to become easy.
In one example, the first film layer 11 and third membrane layer 13 are TPSiU film layers, and the second film layer 12 is by engineering plastics system
Form.
In one example, the first film layer 11 and third membrane layer 13 are TPSiU film layers, and the second film layer 12 is by common thermoplastic
Elastomer is made.
Intensity, temperature tolerance, chemical resistance and the resilience of common thermoplastic's elastomer than TPSiU material slightly
Difference, but as an entirety, remain to improve the combination property of composite diaphragm.
Common thermoplastic's elastomer formation common thermoplastic's elastomeric film layer.Alternatively, common thermoplastic's elastomer is selected from
Styrenic elastomer, olefin type elastomer, diene class elastomer, polyvinyl chloride-base elastomer, urethane class elastomer, esters elasticity
Any one in body, amide-type elastomer, organic fluoride class elastomer, organic silicon elastomer and vinyl elastomer.
TPSiU film layers, engineering plastics film layer are identical with previous embodiment.
Those skilled in the art can set TPSiU film layers according to actual needs, damping glue-line, engineering plastics film layer, general
The thickness of logical thermoplastic elastomer.Three film layer structures can be used in ring portion 17, central part 16 and fixed part 18 at least
On one.
Preferably, the thickness of engineering plastics film layer is 2-30 μm.The thickness ensure that vibrating diaphragm has enough intensity.
Vibrating diaphragm with the composite film structure has intensity height, temperature tolerance, resistant to chemical etching, water resistance and resilience
The characteristics of property is good.
In addition, the damping of the vibrating diaphragm is good, and reliability is high.
Three film layer vibrating diaphragms are not limited to several combinations of the above, and those skilled in the art can be configured according to actual needs,
As long as including TPSiU film layers.
Fig. 6-9 is the sectional view of a part for four film layers vibrating diaphragm according to an embodiment of the invention.
As Figure 6-9, the vibrating diaphragm includes the first film layer 11, the second film layer 12, the film layer 14 of third membrane layer 13 and the 4th.The
One film layer 11, the second film layer 12, the film layer 14 of third membrane layer 13 and the 4th are arranged in order and four film layers 11,12,13,14 are combined
Together.
As shown in fig. 6, the first film layer 11 is TPSiU film layers, the second film layer 12 is damping glue-line, and third membrane layer 13 is by common
Thermoplastic elastomer (TPE) is made, i.e. common thermoplastic's elastomeric film layer.4th film layer 14 is made by engineering plastics, i.e. work
Engineering plastics film layer.
As shown in fig. 7, the first film layer 11 and third membrane layer 13 are TPSiU film layers, the second film layer 12 is damping glue-line, the 4th
Film layer 14 is made by engineering plastics.
As Figure 8-9, the first film layer 11 and the 4th film layer 14 are TPSiU film layers, and the second film layer 12 is damping glue-line, the
Three film layers 13 are made by engineering plastics or common thermoplastic's elastomer.
In the above example, the intensity of common thermoplastic's elastomer, temperature tolerance, chemical resistance and resilience compare
TPSiU materials are slightly worse, but as an entirety, remain to improve the combination property of composite diaphragm.
TPSiU film layers, engineering plastics film layer, common thermoplastic's elastomeric film layer and damping glue-line with previous embodiment
It is identical.
Those skilled in the art can set TPSiU film layers according to actual needs, damping glue-line, engineering plastics film layer, general
The thickness of logical thermoplastic elastomer films layer.Four film layer structures can be used in ring portion 17, central part 16 and fixed part 18 extremely
On few one.
It should be noted that damping glue-line has viscosity.TPSiU film layers, engineering plastics film layer and common thermoplastic's elasticity
Body film layer directly can fit together with damping glue-line.
The side that TPSiU film layers, engineering plastics film layer and common thermoplastic's elastomeric film layer are fitted by hot pressing between any two
Formula is combined.
Vibrating diaphragm with the composite film structure has intensity height, temperature tolerance, resistant to chemical etching, water resistance and resilience
The characteristics of property is good.
In addition, the damping of the vibrating diaphragm is good, and reliability is high.
Four film layer vibrating diaphragms are not limited to several combinations of the above, and those skilled in the art can be configured according to actual needs,
As long as including TPSiU film layers.
Figure 10-14 is the sectional view of a part for five film layers vibrating diaphragm according to an embodiment of the invention.
As shown in figures 10-14, the vibrating diaphragm includes the first film layer 11, the second film layer 12, third membrane layer 13, the and of the 4th film layer 14
5th film layer 15.First film layer 11, the second film layer 12, third membrane layer 13, the 4th film layer 14 and the 5th film layer 15 are arranged in order simultaneously
And be combined with each other.
As shown in Figure 10, the first film layer 11 and the 5th film layer 15 are made by engineering plastics, the second film layer 12 and the 4th
Film layer 14 is TPSiU film layers, and third membrane layer 13 is damping glue-line.
As shown in figure 11, the first film layer 11, the film layer 15 of third membrane layer 13 and the 5th are TPSiU film layers, the He of the second film layer 12
4th film layer 14 is damping glue-line.
As illustrated by figs. 12-13, the first film layer 11, the 5th film layer 15 are TPSiU film layers, and the second film layer and the 4th film layer are resistance
Buddhist nun's glue-line, third membrane layer 13 is made by engineering plastics or common thermoplastic's elastomer.
As shown in figure 14, the first film layer 11 and the 5th film layer 15 are made by engineering plastics, the second film layer 12 and the 4th
Film layer 14 is damping glue-line, and third membrane layer 13 is TPSiU film layers.
TPSiU film layers, engineering plastics film layer, damping glue-line and common thermoplastic's elastomeric film layer with previous embodiment
It is identical.
Those skilled in the art can set TPSiU film layers according to actual needs, damping glue-line, engineering plastics film layer, general
The thickness of logical thermoplastic elastomer films layer.Five film layer structures can be used in ring portion 17, central part 16 and fixed part 18 extremely
On few one.
It should be noted that damping glue-line has viscosity.TPSiU film layers, engineering plastics film layer and common thermoplastic's elasticity
Body film layer directly can fit together with damping glue-line.
The side that TPSiU film layers, engineering plastics film layer and common thermoplastic's elastomeric film layer are fitted by hot pressing between any two
Formula is combined.
Vibrating diaphragm with the composite film structure has intensity height, temperature tolerance, resistant to chemical etching, water resistance and resilience
The characteristics of property is good.
In addition, the damping of the vibrating diaphragm is good, and reliability is high.
Certainly, composite film structure is not limited to above-described embodiment.Those skilled in the art can be set according to actual needs
The thickness of the number of plies of film layer and each film layer.
There is provided a kind of sound-producing device according to another embodiment of the invention.The sound-producing device includes the present invention and provided
Vibrating diaphragm.
The characteristics of sound-producing device has temperature tolerance, water proofing property, chemical resistance, good reliability.
Although some specific embodiments of the present invention are described in detail by example, the skill of this area
Art personnel are it should be understood that example above is merely to illustrate, the scope being not intended to be limiting of the invention.The skill of this area
Art personnel to above example it should be understood that can modify without departing from the scope and spirit of the present invention.This hair
Bright scope is defined by the following claims.
Claims (10)
1. a kind of vibrating diaphragm for sound-producing device, the vibrating diaphragm includes central part, the ring portion set around central part and enclosed
The fixed part set around ring portion, it is characterised in that at least one in the central part, the ring portion and the fixed part
Including the TPSiU film layers being made by TPSiU.
2. vibrating diaphragm according to claim 1, it is characterised in that including the first film layer and the second film layer, first film layer
It is combined with each other with second film layer, second film layer is made by engineering plastics, first film layer is described
TPSiU film layers.
3. vibrating diaphragm according to claim 1, it is characterised in that described including the first film layer, the second film layer and third membrane layer
Second film layer is located between first film layer and the third membrane layer, and three film layers are combined with each other；
First film layer is the TPSiU film layers, and the third membrane layer is made by engineering plastics, and second film layer is
Damp glue-line；Or
First film layer and the third membrane layer are the TPSiU film layers, and second film layer is damping glue-line；Or
First film layer and the third membrane layer are the TPSiU film layers, and second film layer is made by engineering plastics；
Or
First film layer and the third membrane layer are the TPSiU film layers, and second film layer is by common thermoplastic's elastomer
It is made.
4. vibrating diaphragm according to claim 1, it is characterised in that including the first film layer, the second film layer, third membrane layer and the 4th
Film layer, first film layer, second film layer, the third membrane layer and the 4th film layer are arranged in order and are compounded in one
Rise；
First film layer is the TPSiU film layers, and second film layer is damping glue-line, and the third membrane layer is by common thermoplastic
Property elastomer is made, and the 4th film layer is made by engineering plastics；Or
First film layer and the third membrane layer are the TPSiU film layers, and second film layer is damping glue-line, the described 4th
Film layer is made by engineering plastics；Or
First film layer and the 4th film layer are the TPSiU film layers, and second film layer is damping glue-line；Described 3rd
Film layer is made by engineering plastics or common thermoplastic's elastomer.
5. vibrating diaphragm according to claim 1, it is characterised in that including the first film layer, the second film layer, third membrane layer, the 4th
Film layer and the 5th film layer, first film layer, second film layer, the third membrane layer, the 4th film layer and the described 5th
Film layer is arranged in order and is combined with each other；
First film layer and the 5th film layer are made by engineering plastics, and second film layer and the 4th film layer are
The TPSiU film layers, the third membrane layer is damping glue-line；Or
First film layer, the third membrane layer and the 5th film layer are the TPSiU film layers, second film layer and described
4th film layer is damping glue-line；Or
First film layer, the 5th film layer are the TPSiU film layers, and second film layer and the 4th film layer are damping
Glue-line, the third membrane layer is made by engineering plastics or common thermoplastic's elastomer；Or
First film layer and the 5th film layer are made by engineering plastics, and second film layer and the 4th film layer are
Glue-line is damped, the third membrane layer is the TPSiU film layers.
6. the vibrating diaphragm described in any one in claim 2-5, it is characterised in that the vibrating diaphragm is included by engineering plastics
The film layer being made, the engineering plastics be selected from polyether-ether-ketone, polyarylate, PEI, polyimides, polyphenylene sulfide,
Any one in PEN and polyethylene terephthalate.
7. the vibrating diaphragm according to claim 4 or 5, it is characterised in that the vibrating diaphragm is included by common thermoplastic's elastomer
The film layer being made, common thermoplastic's elastomer is selected from styrenic elastomer, olefin type elastomer, diene class elasticity
Body, polyvinyl chloride-base elastomer, urethane class elastomer, esters elastomer, amide-type elastomer, organic fluoride class elastomer, organosilicon
Any one in class elastomer and vinyl elastomer.
8. the vibrating diaphragm described in any one in claim 3-5, it is characterised in that the vibrating diaphragm includes damping glue-line,
The damping glue-line is in acrylic compounds damping glue, organic silicon damping glue, polyurethanes damping glue and epoxies damping glue
Any one is made.
9. vibrating diaphragm according to claim 1, it is characterised in that the thickness of the TPSiU film layers is 2-100 μm.
10. a kind of sound-producing device, it is characterised in that including the vibrating diaphragm as described in any one in claim 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710638971.2A CN107318070A (en) | 2017-07-31 | 2017-07-31 | Vibrating diaphragm and sound-producing device for sound-producing device |
| PCT/CN2018/096974 WO2019024732A1 (en) | 2017-07-31 | 2018-07-25 | Diaphragm used for sound-generating apparatus and sound-generating apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710638971.2A CN107318070A (en) | 2017-07-31 | 2017-07-31 | Vibrating diaphragm and sound-producing device for sound-producing device |
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| Publication Number | Publication Date |
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| CN107318070A true CN107318070A (en) | 2017-11-03 |
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| CN201710638971.2A Pending CN107318070A (en) | 2017-07-31 | 2017-07-31 | Vibrating diaphragm and sound-producing device for sound-producing device |
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| Country | Link |
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| CN (1) | CN107318070A (en) |
| WO (1) | WO2019024732A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024732A1 (en) * | 2017-07-31 | 2019-02-07 | 歌尔股份有限公司 | Diaphragm used for sound-generating apparatus and sound-generating apparatus |
| CN110545505A (en) * | 2019-08-19 | 2019-12-06 | 歌尔股份有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| WO2021135870A1 (en) * | 2019-12-31 | 2021-07-08 | 歌尔股份有限公司 | Diaphragm and speaker |
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| CN103270433A (en) * | 2010-12-20 | 2013-08-28 | 3M创新有限公司 | Glass-like polymeric antireflective films coated with silica nanoparticles, methods of making and light absorbing devices using same |
| CN105933831A (en) * | 2016-04-22 | 2016-09-07 | 歌尔声学股份有限公司 | Vibrating diaphragm and micro acoustic generator equipped with vibrating diaphragm |
| CN206136297U (en) * | 2016-08-22 | 2017-04-26 | 歌尔股份有限公司 | Vibrating diaphragm and be equipped with micro - generator of this vibrating diaphragm |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207124739U (en) * | 2017-07-31 | 2018-03-20 | 歌尔股份有限公司 | Vibrating diaphragm and sound-producing device for sound-producing device |
| CN107318070A (en) * | 2017-07-31 | 2017-11-03 | 歌尔股份有限公司 | Vibrating diaphragm and sound-producing device for sound-producing device |
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2017
- 2017-07-31 CN CN201710638971.2A patent/CN107318070A/en active Pending
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2018
- 2018-07-25 WO PCT/CN2018/096974 patent/WO2019024732A1/en active Application Filing
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| CN105933831A (en) * | 2016-04-22 | 2016-09-07 | 歌尔声学股份有限公司 | Vibrating diaphragm and micro acoustic generator equipped with vibrating diaphragm |
| CN206136297U (en) * | 2016-08-22 | 2017-04-26 | 歌尔股份有限公司 | Vibrating diaphragm and be equipped with micro - generator of this vibrating diaphragm |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024732A1 (en) * | 2017-07-31 | 2019-02-07 | 歌尔股份有限公司 | Diaphragm used for sound-generating apparatus and sound-generating apparatus |
| CN110545505A (en) * | 2019-08-19 | 2019-12-06 | 歌尔股份有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| WO2021135870A1 (en) * | 2019-12-31 | 2021-07-08 | 歌尔股份有限公司 | Diaphragm and speaker |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019024732A1 (en) | 2019-02-07 |
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