CN207200970U - A kind of diaphragm of loudspeaker and loudspeaker monomer - Google Patents
A kind of diaphragm of loudspeaker and loudspeaker monomer Download PDFInfo
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- CN207200970U CN207200970U CN201721033565.5U CN201721033565U CN207200970U CN 207200970 U CN207200970 U CN 207200970U CN 201721033565 U CN201721033565 U CN 201721033565U CN 207200970 U CN207200970 U CN 207200970U
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Abstract
The utility model provides a kind of diaphragm of loudspeaker and loudspeaker monomer.The diaphragm of loudspeaker is at least one including nano modification thermoplastic elastomer including central part, in the ring portion that central part is set and the fixed part set around ring portion, central part, ring portion and fixed part.One purposes of the diaphragm of loudspeaker of the present utility model is to be used for loudspeaker.
Description
Technical field
Acoustical device field is the utility model is related to, more specifically, the utility model is related to a kind of diaphragm of loudspeaker and raise
Sound device monomer.
Background technology
Loudspeaker is widely used in people as a kind of microphone device for electronic products such as mobile phone, TV, computers
Daily production and life in.Sound can be formed after the diaphragm oscillations of loudspeaker, and acoustic aperture outflow is gone out by loudspeaker.
The existing diaphragm of loudspeaker is generally combined by plastic material and damping material.It is this by plastic material and damping material
The vibrating diaphragm for expecting to be combined easily is influenceed by vibrating diaphragm structure design itself.For example, the position of vibrating diaphragm stress concentration easily occurs
The problem of film folding or rupture of membranes, cause the reliability of vibrating diaphragm poor.
Utility model content
A purpose of the present utility model is to provide a kind of diaphragm of loudspeaker for effectively improving vibrating diaphragm reliability.
According to one side of the present utility model, there is provided a kind of diaphragm of loudspeaker.
The diaphragm of loudspeaker includes central part, around the ring portion that central part is set and the fixation set around ring portion
Portion, it is at least one including nano modification thermoplastic elastomer in the central part, the ring portion and the fixed part.
Alternatively, the diaphragm of loudspeaker includes the first film layer and the second film layer；
First film layer is combined with each other with second film layer；
First film layer is plastic layer, and second film layer is the nano modification thermoplastic elastomer.
Alternatively, the diaphragm of loudspeaker includes the first film layer, the second film layer and third membrane layer, and second film layer is located at
Between first film layer and the third membrane layer, and three film layers are combined with each other；
First film layer is plastic layer, and the second film layer is damping glue-line, and third membrane layer is the nano modification thermoplasticity
Elastomer layer；Or
First film layer is the nano modification thermoplastic elastomer, and the second film layer is to damp glue-line, third membrane layer
It is made by the nano modification thermoplastic elastomer or by common thermoplastic's elasticity.
Alternatively, the diaphragm of loudspeaker includes the first film layer, the second film layer, third membrane layer and the 4th film layer, and described
One film layer, second film layer, the third membrane layer and the 4th film layer are combined with each other；
Second film layer and tertiary membrane stacking are located between first film layer and the 4th film layer；
First film layer and the 4th film layer are plastic layer, and one in second film layer and the third membrane layer is resistance
Buddhist nun's glue-line, another is the nano modification thermoplastic elastomer；Or
First film layer is plastic layer, and one in second film layer and third membrane layer is the nano modification thermoplastic
Property elastomer layer, another for damping glue-line, the 4th film layer is the nano modification thermoplastic elastomer；Or
First film layer is plastic layer, and one in second film layer and third membrane layer is the nano modification thermoplastic
Property elastomer layer, another is damping glue-line, and the 4th film layer is made up of common thermoplastic's elastomer；Or
First film layer is plastic layer, and second film layer is damping glue-line, and the third membrane layer is plastic layer, described
4th film layer is the nano modification thermoplastic elastomer.
Alternatively, the diaphragm of loudspeaker includes the first film layer, the second film layer, third membrane layer, the 4th film layer and the 5th film
Layer, first film layer, the second film layer, third membrane layer, the 4th film layer and the 5th film layer are arranged in order and are combined with each other；
First film layer and the 5th film layer are plastic layer, and second film layer and the 4th film layer are damping glue-line, described
Third membrane layer is the nano thermoplastic elastomer layer；Or
First film layer and the 5th film layer are plastic layer, and second film layer and the 4th film layer are the nano thermoplastic
Elastomer layer, third membrane layer are damping glue-line；Or
First film layer and the 5th film layer are plastic layer, and one in second film layer and the 4th film layer receives to be described
Rice thermoplastic elastomer, another is made up of common thermoplastic's elastomer, and the third membrane layer is damping glue-line；Or
One in first film layer and the 5th film layer is the nano thermoplastic elastomer layer, and another is by ordinary hot
Thermoplastic elastic is made, and second film layer and the 4th film layer are damping glue-line, and the third membrane layer is plastic layer；Or
First film layer and the 5th film layer are the nano thermoplastic elastomer layer, second film layer and the 4th film layer
To damp glue-line, the third membrane layer is plastic layer.
Alternatively, when the diaphragm of loudspeaker includes two layers of nano modification thermoplastic elastomer, described in two layers
The modulus of nano modification thermoplastic elastomer is different.
Alternatively, the nano modification thermoplastic elastomer is by common thermoplastic's elastomer and nano modified material system
Into.
Alternatively, common thermoplastic's elastomer be polyester-type thermoplastic elastomer, polyurethane-type thermoplastic elastomer,
Polystyrene-type thermoplastic elastomers, polyamide-type thermoplastic elastomer, polyolefins thermoplastic elastomer, dynamic vulcanization rubber
Glue/thermoplastic blends type thermoplastic elastomer (TPE) or organic silicon thermoplastic elastomer (TPE)；
The nano modified material is CNT, nano-cellulose, montmorillonite, graphene, nano silicon or ore deposit
Thing whisker.
Alternatively, the addition of the nano modified material is less than or equal to 40%.
The utility model additionally provides a kind of loudspeaker monomer.
The loudspeaker monomer includes the diaphragm of loudspeaker of the present utility model.
Inventor of the present utility model has found, in the prior art, is implicitly present in vibrating diaphragm and film folding or rupture of membranes easily occurs
Problem.Therefore, the technical assignment or technical problem to be solved that the utility model to be realized are those skilled in the art
Never it is expecting or it is not expected that, therefore the utility model is a kind of new technical scheme.
One of the present utility model has technical effect that, in the central part of the diaphragm of loudspeaker, ring portion and fixed part extremely
Few one includes nano modification thermoplastic elastomer, can effectively reduce the possibility for the problem of film folding or rupture of membranes occurs, from
And improve the reliability of vibrating diaphragm.In addition, anti-polarization capacity and the waterproof resilience of the diaphragm of loudspeaker is also effectively carried
It is high.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing of a part for constitution instruction describes embodiment of the present utility model, and uses together with the description
In explanation principle of the present utility model.
Fig. 1 to Figure 12 is the structural representation of the utility model diaphragm of loudspeaker embodiment.
Indicated down in figure：
Nano modification thermoplastic elastomer -1, plastic layer -2, damp glue-line -3, common thermoplastic's elastomer layer -4.
Embodiment
Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that：It is unless another
Illustrate outside, the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.
It may be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in appropriate situation
Under, the technology and equipment should be considered as 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.
In order to solve the problems, such as that film folding easily occurs in vibrating diaphragm or rupture of membranes, the utility model provide a kind of diaphragm of loudspeaker.
The diaphragm of loudspeaker includes central part, around the ring portion that central part is set and the fixation set around ring portion
Portion.It is at least one including nano modification thermoplastic elastomer in central part, ring portion and fixed part.When it is implemented, can
It is arranged to include the nanometer made of the thermoplastic elastomer (TPE) of nano modification by one in central part, ring portion and fixed part to change
Property thermoplastic elastomer.Or any two in central part, ring portion and fixed part can be arranged to include being changed by nanometer
Nano modification thermoplastic elastomer made of the thermoplastic elastomer (TPE) of property.Or can be equal by central part, ring portion and fixed part
It is arranged to include the nano modification thermoplastic elastomer made of the thermoplastic elastomer (TPE) of nano modification.
The quantity of nano modification thermoplastic elastomer can be set according to the actual requirements, and the utility model is not made into one to this
Step ground limits.When nano modification thermoplastic elastomer is multilayer, the modulus of different nano modification thermoplastic elastomers
It may be the same or different.
Nano modification thermoplastic elastomer of the present utility model can be prepared by melt-blending process or solution blended process.
When nano modification thermoplastic elastomer is prepared by melt-blending process, following methods can be used to prepare：To general
Processing is dried in logical thermoplastic elastomer (TPE), then carries out common thermoplastic's elastomer and nano modified material using extruder
Melt blending, blend melt is formed, is film-made using casting technique.It is further to increase nano modified material in common thermoplastic's bullet
Property body in degree of scatter, extruder or kneading machine etc. can also be utilized to prepare higher modified female of nano modified material content
Material, then according to certain proportioning by casting film after above-mentioned modified master and common thermoplastic's elastomer melt blending.
When nano modification thermoplastic elastomer is prepared by solution blended process, following methods can be used to prepare：It will receive
Material modified be uniformly dispersed in using ultrasonic method in solvent of rice forms mixed solution, and above-mentioned solution then is added into ordinary hot
In thermoplastic elastic；Mixed serum is formed by mechanical agitation again, then cools and solidifies to form film by coating method.It is above-mentioned
Also processing aid can be added in mixed serum, processing aid may be, for example, that plasticizer, bulking agent, antioxidant, heat stabilizer, light are steady
Determine agent, lubricant and fire retardant etc..
The aspect of performances such as the tensile strength of nano modification thermoplastic elastomer (TPE), elongation at break, heat resistance, resistance to ag(e)ing are equal
It is improved, is advantageous to improve the combination property of the diaphragm of loudspeaker.
At least one in the central part of the diaphragm of loudspeaker, ring portion and fixed part includes nano modification thermoplastic elastic
Body layer, the possibility for the problem of film folding or rupture of membranes occurs can be effectively reduced, so as to improve the reliability of vibrating diaphragm.In addition, loudspeaker
Anti- polarization capacity and the waterproof resilience of vibrating diaphragm can also be effectively improved.
Alternatively, the diaphragm of loudspeaker includes the first film layer and the second film layer, and the first film layer is combined with each other with the second film layer.
First film layer is plastic layer, and the second film layer is nano modification thermoplastic elastomer.
As shown in figure 1, in this embodiment, the diaphragm of loudspeaker includes the first film layer and the second film layer.Wherein, the second film layer
For nano modification thermoplastic elastomer 1, the first film layer is plastic layer 2.The nano modification thermoplastic elastomer 1 is changed by nanometer
Property thermoplastic elastomer (TPE) is formed, and the plastic layer 2 is made up of engineering plastics.By nano modification thermoplastic elastomer 1 and plastic layer 2
The diaphragm of loudspeaker being combined can more effectively reduce the possibility for the problem of film folding or rupture of membranes occurs, so as to further improve
The reliability of vibrating diaphragm.In addition, anti-polarization capacity and the waterproof resilience of the diaphragm of loudspeaker is also more effectively improved.
In this embodiment it is possible to the first film layer and the second film layer are combined with each other by the way of hot pressing fitting.Modeling
The bed of material has the characteristics of intensity is high.
The thickness that those skilled in the art can set engineering plastics film layer according to being actually needed.Double film layer structures can be used
On at least one in ring portion, central part and fixed part.
Preferably, the thickness of engineering plastics film layer is 2-30 μm.The thickness can ensure that vibrating diaphragm has enough intensity.
The rigidity and rebound performance of the diaphragm of loudspeaker of the composite construction can be effectively ensured, so as to further carry
The reliability and other performance of the high diaphragm of loudspeaker.
Two film layer vibrating diaphragms are not limited to combination of the above, and those skilled in the art can be configured according to being actually needed, as long as
Include nano modification thermoplastic elastomer.
Alternatively, the diaphragm of loudspeaker includes the first film layer, the second film layer and third membrane layer, and the second film layer is located at the first film layer
Between third membrane layer, and three film layers are combined with each other.First film layer is plastic layer, and the second film layer is damping glue-line, the
Three film layers are nano modification thermoplastic elastomer.
As shown in Fig. 2 in this embodiment, the diaphragm of loudspeaker includes the first film layer, the second film being combined with each other successively
Layer and third membrane layer.First film layer is plastic layer 2, and the second film layer is damping glue-line 3, and third membrane layer is nano modification thermoplastic elastomehc
Property body layer 1.The nano modification thermoplastic elastomer 1 is formed by nano modification thermoplastic elastomer (TPE), and the damping glue-line 3 is by damping
Glue is formed, and the plastic layer 2 is formed by engineering plastics.So, nano modification thermoplastic elastomer 1, damping glue-line 3 and plastic layer
2 are combined with each other successively.Rigidity, damping and the rebound performance of this diaphragm of loudspeaker can be effectively ensured, so as to enter one
Improve the reliability and other performance of the diaphragm of loudspeaker in step ground.
Or first film layer be nano modification thermoplastic elastomer, the second film layer is damping glue-line, and third membrane layer is receives
Rice modified thermoplastic elastomer layer is made up of common thermoplastic's elasticity.
It should be noted that common thermoplastic's elastomer in the utility model is the thermoplasticity without nano modification processing
Elastomer.
As shown in figure 3, in embodiment, the first film layer is nano modification thermoplastic elastomer 1, and the second film layer is damping
Glue-line 3, third membrane layer are common thermoplastic's elastomer layer 4.The nano modification thermoplastic elastomer 1 is by nano modification thermoplasticity
Elastomer is formed, and the damping glue-line 3 is formed by damping glue, and common thermoplastic's elastomer layer 4 is by common thermoplastic's elasticity system
Into.This diaphragm of loudspeaker includes nano modification thermoplastic elastomer 1, common thermoplastic elastic layer 4 and damping glue-line 3,
Cost can be efficiently controlled on the basis of the reliability and other performance of the diaphragm of loudspeaker is improved.
In figure 3 in shown embodiment, third membrane layer is alternatively nano modification thermoplastic elastomer 1.Now first
Film layer is nano modification thermoplastic elastomer 1, and the second film layer is damping glue-line 3, and third membrane layer is nano modification thermoplastic elastomehc
Property body layer 1.
Damping glue-line 3 has high damping characteristic.Damping glue-line 3 can improve the damping of vibrating diaphragm, reduce the noise of loudspeaker.
Further, since damping glue-line has viscosity in itself, therefore compound tense is being carried out, the first film layer and third layer can be straight
Connect the surface for being attached to damping glue-line.This causes the making of vibrating diaphragm to become easy.
The thickness that those skilled in the art can set the first film layer, the second film layer and third membrane layer according to being actually needed.
Three film layer structures can be with least one in ring portion, central part and fixed part.
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 being actually needed,
As long as include nano modification thermoplastic elastomer.
Rigidity, damping and the rebound performance of the diaphragm of loudspeaker of above-mentioned composite construction can be effectively ensured, so as to enter
Improve to one step the reliability and other performance of the diaphragm of loudspeaker.
Alternatively, the diaphragm of loudspeaker includes the first film layer, the second film layer, third membrane layer and the 4th film layer, the first film layer,
Two film layers, third membrane layer and the 4th film layer are combined with each other, and the second film layer and tertiary membrane stacking are located at the first film layer and the 4th film
Between layer.First film layer and the 4th film layer are plastic layer, and one in the second film layer and third membrane layer is damping glue-line, another
For nano modification thermoplastic elastomer.
As shown in figure 4, in this embodiment, the diaphragm of loudspeaker includes the first film layer, the second film being combined with each other successively
Layer, third membrane layer and the 4th film layer.First film layer and the 4th film layer are plastic layer 2, and the second film layer is to damp glue-line 3, tertiary membrane
Layer is nano modification thermoplastic elastomer 1.The nano modification thermoplastic elastomer 1 is by the nano modification thermoplastic elastic bodily form
Into the damping glue-line 3 is formed by damping glue, and the plastic layer 2 is formed by engineering plastics.So, plastic layer 2, damping glue-line 3, receive
Rice modified thermoplastic elastomer layer 1 and plastic layer 2 are combined with each other successively.Rigidity, damping and the resilience of this diaphragm of loudspeaker
Performance can be effectively ensured, so as to further improve the reliability and other performance of the diaphragm of loudspeaker.
In the embodiment shown in fig. 4, the second film layer is alternatively nano modification thermoplastic elastomer 1, while tertiary membrane
Layer is damping glue-line 3.Now, the diaphragm of loudspeaker is by plastic layer 2, nano modification thermoplastic elastomer 1, damping glue-line 3 and modeling
The bed of material 2 is combined with each other successively.
Or first film layer be plastic layer, one in the second film layer and third membrane layer is nano modification thermoplastic elastic
Body layer, another is damping glue-line, and the 4th film layer is nano modification thermoplastic elastomer.
As shown in figure 5, in this embodiment, the diaphragm of loudspeaker includes the first film layer, the second film being combined with each other successively
Layer, third membrane layer and the 4th film layer.First film layer is plastic layer 2, and the second film layer is damping glue-line 3, third membrane layer and the 4th film
Layer is nano modification thermoplastic elastomer 1.The nano modification thermoplastic elastomer 1 is by the nano modification thermoplastic elastic bodily form
Into the damping glue-line 3 is formed by damping glue, and the plastic layer 2 is formed by engineering plastics.So, plastic layer 2, damping glue-line 3, receive
Rice modified thermoplastic elastomer layer 1 and nano modification thermoplastic elastomer 1 are combined with each other successively.This diaphragm of loudspeaker
Rigidity, damping and rebound performance can be effectively ensured, so as to further improve the reliability of the diaphragm of loudspeaker and other
Performance.
In the embodiment shown in fig. 5, the second film layer is alternatively nano modification thermoplastic elastomer 1, while tertiary membrane
Layer is damping glue-line 3.Now, the diaphragm of loudspeaker by plastic layer 2, nano modification thermoplastic elastomer 1, damping glue-line 3 and is received
Rice modified thermoplastic elastomer layer 1 is combined with each other successively.
Or first film layer be plastic layer, one in the second film layer and third membrane layer is nano modification thermoplastic elastic
Body layer, another is damping glue-line, and the 4th film layer is made up of common thermoplastic's elastomer.
As shown in fig. 6, in this embodiment, the diaphragm of loudspeaker includes the first film layer, the second film being combined with each other successively
Layer, third membrane layer and the 4th film layer.First film layer is plastic layer 2, and the second film layer is damping glue-line 3, and third membrane layer changes for nanometer
Property thermoplastic elastomer 1, the 4th film layer is common thermoplastic's elastomer layer 4.The nano modification thermoplastic elastomer 1 is by receiving
Rice modified thermoplastic elastomer is formed, and the damping glue-line 3 is formed by damping glue, and the plastic layer 2 is formed by engineering plastics, and this is common
Thermoplastic elastomer 4 is formed by common thermoplastic's elastomer.So, plastic layer 2, damping glue-line 3, nano modification thermoplastic elastomehc
Property body layer 1 and common thermoplastic's elastomer layer 4 are combined with each other successively.Rigidity, damping and the resilience of this diaphragm of loudspeaker
It can be effectively ensured, so as to further improve the reliability and other performance of the diaphragm of loudspeaker.
In the embodiment shown in fig. 6, the second film layer is alternatively nano modification thermoplastic elastomer 1, while tertiary membrane
Layer is damping glue-line 3.Now, the diaphragm of loudspeaker is by plastic layer 2, nano modification thermoplastic elastomer 1, damping glue-line 3 and general
Logical thermoplastic elastomer 1 is combined with each other successively.
Or first film layer be plastic layer, the second film layer is damping glue-line, and third membrane layer is plastic layer, and the 4th film layer is
Nano modification thermoplastic elastomer.
As shown in fig. 7, in this embodiment, the diaphragm of loudspeaker includes the first film layer, the second film being combined with each other successively
Layer, third membrane layer and the 4th film layer.First film layer is plastic layer 2, and the second film layer is damping glue-line 3, and third membrane layer is plastic layer
2, the 4th film layer is nano modification thermoplastic elastomer 1.The nano modification thermoplastic elastomer 1 is by nano modification thermoplasticity
Elastomer is formed, and the damping glue-line 3 is formed by damping glue, and the plastic layer 2 is formed by engineering plastics.So, plastic layer 2, damping
Glue-line 3, plastic layer 2 and nano modification thermoplastic elastomer 1 are combined with each other successively.The rigidity of this diaphragm of loudspeaker, resistance
Buddhist nun and rebound performance can be effectively ensured, so as to further improve the reliability and other performance of the diaphragm of loudspeaker.
Those skilled in the art can set the first film layer, the second film layer, third membrane layer and the 4th according to being actually needed
The thickness of film layer.Four film layer structures can be with least one in ring portion, central part and fixed part.
It should be noted that damping glue-line has viscosity.Plastic layer, nano modification thermoplastic elastomer and by ordinary hot
Film layer made of thermoplastic elastic directly can fit together with damping glue-line.
Nano modification thermoplastic elastomer, plastic film layer and film layer is between any two made of common thermoplastic's elastomer
Carried out by way of hot pressing fitting compound.
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 being actually needed,
As long as include nano modification thermoplastic elastomer.
Alternatively, the diaphragm of loudspeaker includes the first film layer, the second film layer, third membrane layer, the 4th film layer and the 5th film layer, the
One film layer, the second film layer, third membrane layer, the 4th film layer and the 5th film layer are arranged in order and are combined with each other.First film layer and the 5th
Film layer is plastic layer, and the second film layer and the 4th film layer are damping glue-line, and third membrane layer is nano thermoplastic elastomer layer.
As shown in figure 8, in this embodiment, the diaphragm of loudspeaker includes the first film layer, the second film being combined with each other successively
Layer, third membrane layer, the 4th film layer and the 5th film layer.First film layer and the 5th film layer are plastic layer 2, the second film layer and the 4th film layer
To damp glue-line 3, third membrane layer is nano modification thermoplastic elastomer 1.The nano modification thermoplastic elastomer 1 is by nanometer
Modified thermoplastic elastomer is formed, and the damping glue-line 3 is formed by damping glue, and the plastic layer 2 is formed by engineering plastics.So, mould
The bed of material 2, damping glue-line 3, nano modification thermoplastic elastomer 1, damping glue-line 3 and plastic layer 2 are combined with each other successively.It is this
Rigidity, damping and the rebound performance of the diaphragm of loudspeaker can be effectively ensured, so as to further improve the diaphragm of loudspeaker
Reliability and other performance.
Or first film layer and the 5th film layer be plastic layer, the second film layer and the 4th film layer are nano thermoplastic elastomer
Layer, third membrane layer are damping glue-line.
As shown in figure 9, in this embodiment, the diaphragm of loudspeaker includes the first film layer, the second film being combined with each other successively
Layer, third membrane layer, the 4th film layer and the 5th film layer.First film layer and the 5th film layer are plastic layer 2, the second film layer and the 4th film layer
For nano modification thermoplastic elastomer 1, third membrane layer is damping glue-line 3.The nano modification thermoplastic elastomer 1 is by nanometer
Modified thermoplastic elastomer is formed, and the damping glue-line 3 is formed by damping glue, and the plastic layer 2 is formed by engineering plastics.So, mould
The bed of material 2, nano modification thermoplastic elastomer 1, damping glue-line 3, nano modification thermoplastic elastomer 1 and plastic layer 2 are successively
It is combined with each other.Rigidity, damping and the rebound performance of this diaphragm of loudspeaker can be effectively ensured, so as to further carry
The reliability and other performance of the high diaphragm of loudspeaker.
Or raising the first film layer and the 5th film layer is plastic layer, one in the second film layer and the 4th film layer is nanometer heat
Thermoplastic elastic layer, another is made up of common thermoplastic's elastomer, and third membrane layer is damping glue-line.
As shown in Figure 10, in this embodiment, the diaphragm of loudspeaker includes the first film layer, the second film being combined with each other successively
Layer, third membrane layer, the 4th film layer and the 5th film layer.First film layer and the 5th film layer are plastic layer 2, and the second film layer is nano modification
Thermoplastic elastomer 1, third membrane layer are damping glue-line 3, and the 4th film layer is common thermoplastic's elastomer layer 4.The nano modification
Thermoplastic elastomer 1 is formed by nano modification thermoplastic elastomer (TPE), and the damping glue-line 3 is formed by damping glue, the plastic layer 2 by
Engineering plastics are formed, and common thermoplastic's elastomer layer 4 is formed by common thermoplastic's elastomer.So, plastic layer 2, nanometer change
Property thermoplastic elastomer 1, damping glue-line 3, common thermoplastic's elastomer layer 4 and plastic layer 2 be combined with each other successively.It is this to raise
Rigidity, damping and the rebound performance of sound device vibrating diaphragm can be effectively ensured, so as to further improve the diaphragm of loudspeaker can
By property and other performance.
In the embodiment shown in fig. 10, the second film layer is alternatively common thermoplastic's elastomer layer 4, while the 4th film layer is
Nano modification thermoplastic elastomer 1.Now, the diaphragm of loudspeaker is by plastic layer 2, common thermoplastic's elastomer layer 4, damping glue-line
3rd, nano modification thermoplastic elastomer 1 and plastic layer 2 are combined with each other successively.
Or first one in film layer and the 5th film layer be nano thermoplastic elastomer layer, another is by common thermoplastic
Property elastomer be made, the second film layer and the 4th film layer are damping glue-line, and third membrane layer is plastic layer.
As shown in figure 11, in this embodiment, the diaphragm of loudspeaker includes the first film layer, the second film being combined with each other successively
Layer, third membrane layer, the 4th film layer and the 5th film layer.First film layer is nano modification thermoplastic elastomer 1, the second film layer and
Four film layers are damping glue-line 3, and third membrane layer is plastic layer 2, and the 5th film layer is common thermoplastic's elastomer layer 4.The nano modification
Thermoplastic elastomer 1 is formed by nano modification thermoplastic elastomer (TPE), and the damping glue-line 3 is formed by damping glue, the plastic layer 2 by
Engineering plastics are formed, and common thermoplastic's elastomer layer 4 is formed by common thermoplastic's elastomer.So, nano modification thermoplasticity
Elastomer layer 1, damping glue-line 3, plastic layer 2, damping glue-line 3 and common thermoplastic's elastomer layer 4 are combined with each other successively.It is this
Rigidity, damping and the rebound performance of the diaphragm of loudspeaker can be effectively ensured, so as to further improve the diaphragm of loudspeaker
Reliability and other performance.
In the embodiment shown in fig. 11, the first film layer is alternatively common thermoplastic's elastomer layer 4, while the 5th film layer is
Nano modification thermoplastic elastomer 1.Now, the diaphragm of loudspeaker is by common thermoplastic's elastomer layer 4, damping glue-line 3, plastic layer
2nd, damp glue-line 3 and nano modification thermoplastic elastomer 1 is combined with each other successively.
Or first film layer and the 5th film layer be nano thermoplastic elastomer layer, the second film layer and the 4th film layer for damping
Glue-line, third membrane layer are plastic layer.
As shown in figure 12, in this embodiment, the diaphragm of loudspeaker includes the first film layer, the second film being combined with each other successively
Layer, third membrane layer, the 4th film layer and the 5th film layer.First film layer and the 5th film layer are nano modification thermoplastic elastomer 1, the
Two film layers and the 4th film layer are damping glue-line 3, and third membrane layer is plastic layer 2.The nano modification thermoplastic elastomer 1 is by nanometer
Modified thermoplastic elastomer is formed, and the damping glue-line 3 is formed by damping glue, and the plastic layer 2 is formed by engineering plastics, the ordinary hot
Thermoplastic elastic layer 4 is formed by common thermoplastic's elastomer.So, nano modification thermoplastic elastomer 1, damping glue-line 3, modeling
The bed of material 2, damping glue-line 3 and nano modification thermoplastic elastomer 1 are combined with each other successively.The rigidity of this diaphragm of loudspeaker,
Damping and rebound performance can be effectively ensured, so as to further improve the reliability and other performance of the diaphragm of loudspeaker.
Those skilled in the art can set the first film layer, the second film layer, third membrane layer, the 4th film layer according to being actually needed
And the 5th film layer thickness.Five film layer structures can be with least one in ring portion, central part and fixed part.
It should be noted that damping glue-line has viscosity.Plastic layer, nano modification thermoplastic elastomer and by ordinary hot
Film layer made of thermoplastic elastic directly can fit together with damping glue-line.
Nano modification thermoplastic elastomer, plastic film layer and film layer is between any two made of common thermoplastic's elastomer
Carried out by way of hot pressing fitting compound.
Five film layer vibrating diaphragms are not limited to several combinations of the above, and those skilled in the art can be configured according to being actually needed,
As long as include nano modification thermoplastic elastomer.
Plastic layer in the utility model is made up of engineering plastics, and engineering plastics include polyether-ether-ketone (PEEK), polyarylate
(PAR), PEI (PEI), polyimides (PI), polyphenylene sulfide (PPS), PEN (PEN) and poly-
Any one in ethylene glycol terephthalate (PET).Those skilled in the art can select suitable plastic layer according to demand
Material.
Damping glue-line in the utility model is by acrylic compounds damping glue, organic silicon damping glue, polyurethanes damping glue
It is made with any one in epoxies damping glue.
Nano modification thermoplastic elastomer in the utility model is by common thermoplastic's elastomer and nano modified material
It is made.Nano modified material carries out nano modification processing to common thermoplastic's elastomer, you can obtains the thermoplasticity of nano modification
Elastomer, the thermoplastic elastomer (TPE) of the nano modification can be made into nano modification thermoplastic elastomer.
Further, common thermoplastic's elastomer is polyester-type thermoplastic elastomer (TPEE), polyurethane-type thermoplastic bullet
Property body (TPU), polystyrene-type thermoplastic elastomers (TPS), polyamide-type thermoplastic elastomer (TPAE), TPO thermoplastic
Property elastomer (TPO), dynamic perduren/thermoplastic blends type thermoplastic elastomer (TPE) (TPV) or organic silicon thermoplastic
Property elastomer.Those skilled in the art can select suitable common thermoplastic's elastomer according to demand.
Further, nano modified material is CNT, nano-cellulose, montmorillonite, graphene, nano silicon
Or mineral crystal whisker.Those skilled in the art can select suitable nano modified material according to demand.
Alternatively, the addition of nano modified material is less than or equal to 40%.Above-mentioned addition refers to nano modified material
Weight.By controlling the addition of nano modified material effectively to be carried on the basis of reasonable controlling loudspeaker vibrating diaphragm cost
The performances such as the tensile strength of the high diaphragm of loudspeaker, elongation at break, heat resistance, resistance to ag(e)ing.
Alternatively, when the diaphragm of loudspeaker includes two layers of nano modification thermoplastic elastomer, two layers of nano modification thermoplastic
Property elastomer layer modulus it is different.Two layers of nano modification thermoplastic elastomer of different modulus can more effectively disperse loudspeaker
The stress of vibrating diaphragm, so as to further improve the reliability and other performance of the diaphragm of loudspeaker.
The utility model additionally provides a kind of loudspeaker monomer.The loudspeaker monomer includes raising one's voice described in above-described embodiment
Device vibrating diaphragm.
The loudspeaker monomer has the characteristics of heat resistance, water proofing property, good reliability.
Although some specific embodiments of the present utility model are described in detail by example, this area
It is to be understood by the skilled artisans that above example merely to illustrate, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example
Modify.The scope of the utility model is defined by the following claims.
Claims (10)
1. a kind of diaphragm of loudspeaker, it is characterised in that the diaphragm of loudspeaker includes central part, the ring set around central part
Portion and the fixed part set around ring portion, at least one bag in the central part, the ring portion and the fixed part
Include nano modification thermoplastic elastomer.
2. the diaphragm of loudspeaker according to claim 1, it is characterised in that the diaphragm of loudspeaker includes the first film layer and the
Two film layers；
First film layer is combined with each other with second film layer；
First film layer is plastic layer, and second film layer is the nano modification thermoplastic elastomer.
3. the diaphragm of loudspeaker according to claim 1, it is characterised in that the diaphragm of loudspeaker includes the first film layer, the
Two film layers and third membrane layer, second film layer is between first film layer and the third membrane layer, and three film layers
It is combined with each other；
First film layer is plastic layer, and the second film layer is damping glue-line, and third membrane layer is the nano modification thermoplastic elastic
Body layer；Or
First film layer is the nano modification thermoplastic elastomer, and the second film layer is damping glue-line, and third membrane layer is institute
State nano modification thermoplastic elastomer or be made up of common thermoplastic's elasticity.
4. the diaphragm of loudspeaker according to claim 1, it is characterised in that the diaphragm of loudspeaker includes the first film layer, the
Two film layers, third membrane layer and the 4th film layer, first film layer, second film layer, the third membrane layer and the 4th film
Layer is combined with each other；
Second film layer and tertiary membrane stacking are located between first film layer and the 4th film layer；
First film layer and the 4th film layer are plastic layer, and one in second film layer and the third membrane layer is damping glue
Layer, another is the nano modification thermoplastic elastomer；Or
First film layer is plastic layer, and one in second film layer and third membrane layer is the nano modification thermoplastic elastomehc
Property body layer, another for damping glue-line, the 4th film layer is the nano modification thermoplastic elastomer；Or
First film layer is plastic layer, and one in second film layer and third membrane layer is the nano modification thermoplastic elastomehc
Property body layer, another is damping glue-line, and the 4th film layer is made up of common thermoplastic's elastomer；Or
First film layer is plastic layer, and one in second film layer and third membrane layer is by common thermoplastic's elasticity system
Into another is damping glue-line, and the 4th film layer is the nano modification thermoplastic elastomer；Or
First film layer is plastic layer, and second film layer is damping glue-line, and the third membrane layer is plastic layer, the described 4th
Film layer is the nano modification thermoplastic elastomer.
5. the diaphragm of loudspeaker according to claim 1, it is characterised in that the diaphragm of loudspeaker includes the first film layer, the
Two film layers, third membrane layer, the 4th film layer and the 5th film layer, first film layer, the second film layer, third membrane layer, the 4th film layer and
5th film layer, which is arranged in order, to be combined with each other；
First film layer and the 5th film layer are plastic layer, and second film layer and the 4th film layer are to damp glue-line, the described 3rd
Film layer is the nano thermoplastic elastomer layer；Or
First film layer and the 5th film layer are plastic layer, and second film layer and the 4th film layer are nano thermoplastic elasticity
Body layer, third membrane layer are damping glue-line；Or
First film layer and the 5th film layer are plastic layer, and one in second film layer and the 4th film layer is nanometer heat
Thermoplastic elastic layer, another is made up of common thermoplastic's elastomer, and the third membrane layer is damping glue-line；Or
One in first film layer and the 5th film layer is the nano thermoplastic elastomer layer, and another is by common thermoplastic
Elastomer is made, and second film layer and the 4th film layer are damping glue-line, and the third membrane layer is plastic layer；Or
First film layer and the 5th film layer are the nano thermoplastic elastomer layer, and second film layer and the 4th film layer are resistance
Buddhist nun's glue-line, the third membrane layer are plastic layer.
6. according to the diaphragm of loudspeaker described in claim any one of 3-5, it is characterised in that when the diaphragm of loudspeaker includes
During two layers of nano modification thermoplastic elastomer, the modulus of two layers of nano modification thermoplastic elastomer is different.
7. the diaphragm of loudspeaker according to claim 1, it is characterised in that the nano modification thermoplastic elastomer is by general
Logical thermoplastic elastomer (TPE) and nano modified material are made.
8. the diaphragm of loudspeaker according to claim 7, it is characterised in that common thermoplastic's elastomer is polyesters heat
Thermoplastic elastic, polyurethane-type thermoplastic elastomer, polystyrene-type thermoplastic elastomers, polyamide-type thermoplastic elastomer,
Polyolefins thermoplastic elastomer, dynamic perduren/thermoplastic blends type thermoplastic elastomer (TPE) or organic silicon heat
Thermoplastic elastic；
The nano modified material is that CNT, nano-cellulose, montmorillonite, graphene, nano silicon or mineral are brilliant
Palpus.
9. the diaphragm of loudspeaker according to claim 7, it is characterised in that the addition of the nano modified material be less than or
Equal to 40%.
10. a kind of loudspeaker monomer, it is characterised in that including the diaphragm of loudspeaker described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721033565.5U CN207200970U (en) | 2017-08-17 | 2017-08-17 | A kind of diaphragm of loudspeaker and loudspeaker monomer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721033565.5U CN207200970U (en) | 2017-08-17 | 2017-08-17 | A kind of diaphragm of loudspeaker and loudspeaker monomer |
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| CN207200970U true CN207200970U (en) | 2018-04-06 |
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| CN (1) | CN207200970U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859296A (en) * | 2018-06-15 | 2018-11-23 | 歌尔股份有限公司 | Structure of composite membrane, vibrating diaphragm and sounding device |
| CN109495818A (en) * | 2018-11-05 | 2019-03-19 | 歌尔股份有限公司 | A kind of vibrating diaphragm |
| CN109660920A (en) * | 2019-01-23 | 2019-04-19 | 歌尔股份有限公司 | Vibrating diaphragm and sounding device for sounding device |
-
2017
- 2017-08-17 CN CN201721033565.5U patent/CN207200970U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859296A (en) * | 2018-06-15 | 2018-11-23 | 歌尔股份有限公司 | Structure of composite membrane, vibrating diaphragm and sounding device |
| CN109495818A (en) * | 2018-11-05 | 2019-03-19 | 歌尔股份有限公司 | A kind of vibrating diaphragm |
| CN109660920A (en) * | 2019-01-23 | 2019-04-19 | 歌尔股份有限公司 | Vibrating diaphragm and sounding device for sounding device |
| CN109660920B (en) * | 2019-01-23 | 2020-09-22 | 歌尔股份有限公司 | Vibrating diaphragm for sound production device and sound production device |
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