CN205912244U - Sound generating mechanism's vibrating diaphragm - Google Patents
Sound generating mechanism's vibrating diaphragm Download PDFInfo
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- CN205912244U CN205912244U CN201620399415.5U CN201620399415U CN205912244U CN 205912244 U CN205912244 U CN 205912244U CN 201620399415 U CN201620399415 U CN 201620399415U CN 205912244 U CN205912244 U CN 205912244U
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- engineering plastic
- plastic bed
- adhesive film
- vibrating diaphragm
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Abstract
The utility model relates to a sound generating mechanism's vibrating diaphragm, including an engineering plastics layer, the 2nd engineering plastics layer to and lie in the glued membrane layer between an engineering plastics layer, the 2nd engineering plastics layer, the glued membrane layer has the glue coating solidification of graphite alkene to form by the interpolation, an engineering plastics layer, glued membrane layer, the 2nd engineering plastics layer are through compound technology laminating together. The utility model discloses a vibrating diaphragm, the glue that has graphite alkene with the interpolation carry out coating solidification and make the glued membrane, then through compound technology and an engineering plastics layer, the 2nd engineering plastics laminating together. The joining of graphite alkene for the damping nature reinforcing of vibrating diaphragm has reduced the distortion of product, has improved the low frequency performance of product, improve the bulk strength of vibrating diaphragm simultaneously, strengthened the high -frequency characteristic of product. The utility model discloses a vibrating diaphragm, the joining of graphite alkene makes high temperature resistance ability in glued membrane layer better, can make the product still have lower distortion and good tone quality under high temperature.
Description
Technical field
This utility model is related to a kind of vibrating diaphragm, more specifically, this utility model be related to a kind of for answering in sound-producing device
Close vibrating diaphragm.
Background technology
With the raising of quality of the life, consumer's also more and more higher of the requirement to tonequality, this just raises one's voice in audio system
The performance requirement of device vibrating diaphragm also more and more higher.Traditional diaphragm of loudspeaker mostly is composite diaphragm, but, these composite diaphragms itself
Some limitation of process structure make loudspeaker tonequality effect not fully up to expectations.
Traditional composite diaphragm it will usually the bonding between multilayer film is realized using glued membrane, but, the answering of common glued membrane
Close vibrating diaphragm and can there is following defect when using: first, damping and amortization is less: now with the change of market development demand, portable
Formula electronic equipment is gradually to lightening development, and the requirement more and more higher to tonequality.The composite diaphragm of current common glued membrane by
In the limitation of itself damping capacity, high tone quality, low distortion requirement increasingly can not be met, especially low frequency acoustic
Effect.Second, damp temperature influence:, in high power, high voltage test, voice coil position is due to vibration temperature significantly for speaker
Degree raises, and at this moment due to the restriction of molecular structure feature, damping reduction trend can with temperature to common glued membrane, so that producing
There is large change it is impossible to meet customer need in the resonant frequency of product, harmonic distortion and tonequality.3rd, the strength of materials is low: glue
Film is less than the engineering plastics such as polyether-ether-ketone, polyethylene terephthalate due to own structural characteristics, mechanical strength, due to working as
, under conditions of not affecting tonequality, towards the trend of high intensity, high-damping development, the addition of glued membrane is to vibrating diaphragm for vibrating diaphragm for front speaker
Overall intensity has minimal effect, makes loudspeaker high frequency performance not good.
Therefore, in the urgent need to developing a harmonic distortion (thd) that there is good damping characteristic, product can be improved,
Improve the vibrating diaphragm of the whole frequency band of speaker.
Utility model content
A purpose of the present utility model there is provided a kind of vibrating diaphragm of sound-producing device.
According to one side of the present utility model, provide a kind of vibrating diaphragm of sound-producing device, including the first engineering plastic bed of material,
The two engineering plastic bed of materials, and be located at adhesive film between the first engineering plastic bed of material, the second engineering plastic bed of material, described adhesive film is by adding
Glue application solidification added with Graphene forms;The described first engineering plastic bed of material, adhesive film, the second engineering plastic bed of material are through compound
Technique fits together.
Preferably, the described first engineering plastic bed of material, the second engineering plastic bed of material be polyether-ether-ketone, polyarylate, Polyetherimide,
One of polyimides, polyphenylene sulfide, PEN, polyethylene terephthalate.
According to second aspect of the present utility model, there is provided a kind of vibrating diaphragm of sound-producing device, include the first engineering successively
Plastic layer, adhesive film, elastomer layer, the second engineering plastic bed of material;Described adhesive film is solidified by the glue application being added with Graphene
Form;The described first engineering plastic bed of material, adhesive film, elastomer layer, the second engineering plastic bed of material fit together through combination process.
Preferably, described elastomer layer is Polyurethane Thermoplastic Elastomer or thermoplastic poly esters elastomer.
According to the 3rd aspect of the present utility model, there is provided a kind of vibrating diaphragm of sound-producing device, include the first engineering successively
Plastic layer, the first adhesive film, the second engineering plastic bed of material, the second adhesive film, the 3rd engineering plastic bed of material;Described first adhesive film,
Two adhesive films are formed by the glue application solidification being added with Graphene;The described first engineering plastic bed of material, the first adhesive film, the second work
Engineering plastics layer, the second adhesive film, the 3rd engineering plastic bed of material fit together through combination process.
According to the 4th aspect of the present utility model, there is provided a kind of vibrating diaphragm of sound-producing device, include the first engineering successively
Plastic layer, the first elastomer layer, adhesive film, the second elastomer layer, the second engineering plastic bed of material;Described adhesive film is by being added with graphite
The glue application solidification of alkene forms;The described first engineering plastic bed of material, the first elastomer layer, adhesive film, the second elastomer layer, second
The engineering plastic bed of material fits together through combination process.
According to the 5th aspect of the present utility model, there is provided a kind of vibrating diaphragm of sound-producing device, include the first engineering successively
Plastic layer, the first adhesive film, elastomer layer, the second adhesive film, the second engineering plastic bed of material;Described first adhesive film, the second glued membrane
Layer is formed by the glue application solidification being added with Graphene;The described first engineering plastic bed of material, the first adhesive film, elastomer layer,
Two adhesive films, the second engineering plastic bed of material fit together through combination process.
Vibrating diaphragm of the present utility model, the glue being added with Graphene is coated solidification and makes glued membrane, then with first
The engineering plastic bed of material, the second engineering plastic bed of material are fit together by combination process, then make vibrating diaphragm by processing and forming.Graphene
Addition, so that the damping and amortization of vibrating diaphragm is improved, improve the low frequency performance of product, reduce the distortion of product;Make vibrating diaphragm simultaneously
Bulk strength improve, enhance the high frequency performance of product.Vibrating diaphragm of the present utility model, the addition of Graphene makes adhesive film resistance to
High-temperature behavior preferably, can make product still have relatively low distortion and good tonequality at high temperature.
By the detailed description to exemplary embodiment of the present utility model referring to the drawings, other of the present utility model
Feature and its advantage will be made apparent from.
Brief description
Constitute the Description of Drawings of a part the embodiment of the present utility model of description, and use together with the description
In explanation principle of the present utility model.
Fig. 1 is the profile of this utility model vibrating diaphragm first embodiment.
Fig. 2 is the profile of this utility model vibrating diaphragm second embodiment.
Fig. 3 is the profile of this utility model vibrating diaphragm the 3rd embodiment.
Fig. 4 is the profile of this utility model vibrating diaphragm the 4th embodiment.
Fig. 5 is the profile of this utility model vibrating diaphragm the 5th embodiment.
Specific embodiment
To describe various exemplary embodiment of the present utility model now with reference to accompanying drawing in detail.It should also be noted that it is unless another
Illustrate outward, the positioned opposite, numerical expression of the part otherwise illustrating in these embodiments and step and numerical value do not limit
Make scope of the present utility model.
Description only actually at least one exemplary embodiment is illustrative below, never as to this practicality
Any restriction that is new and its applying or use.
May be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in suitable situation
Under, described technology and equipment should be considered a part for description.
In all examples with discussion shown here, any occurrence should be construed as merely exemplary, and not
It is as restriction.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter expression similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then do not need it is further discussed in subsequent accompanying drawing.
This utility model is in order to solve problems of the prior art, there is provided a kind of vibrating diaphragm of sound-producing device, described
Vibrating diaphragm can improve the damping characteristic of product while improving the strength of materials, strengthens the stability of multilayer materials performance,
Reduce the harmonic distortion of product, improve the low-frequency band of speaker and the tonequality of high frequency band, maintain the stability of resonant frequency.
Embodiment 1
With reference to Fig. 1, this utility model provides a kind of vibrating diaphragm of sound-producing device, and it includes the first engineering plastic bed of material 1, second
The engineering plastic bed of material 3, and it is located at the adhesive film 2 between the first engineering plastic bed of material 1, the second engineering plastic bed of material 3, described first engineering
Plastic layer 1, adhesive film 2, the second engineering plastic bed of material 3 fit together through combination process.
The first engineering plastic bed of material 1 of the present utility model, the second engineering plastic bed of material 3 can adopt well known to those skilled in the art
Material, such as polyether-ether-ketone, polyarylate, Polyetherimide, polyimides, polyphenylene sulfide, PEN, poly-
Ethylene glycol terephthalate etc..For a person skilled in the art, the first engineering plastic bed of material 1, the second engineering plastic bed of material 3
Material can identical it is also possible to different, those skilled in the art can be selected according to actual needs.
Adhesive film of the present utility model is formed by the glue application solidification being added with Graphene, and the addition of Graphene controls
In 0.1wt%-5wt%, glue can be acrylic compounds, silicone, polyurethaness etc., and the addition of Graphene makes glue divide
Interaction enhanced between son.Adhesive film 2 of the present utility model, the glue being added with Graphene is coated solidifying, is formed
There is the adhesive film of certain thickness, intensity, the mode of coating solidification belongs to the common knowledge of those skilled in the art.Because this is solid
The adhesive film changed has certain adhesive property, by combination process, can be by the first engineering plastic bed of material 1, adhesive film 2, second
The engineering plastic bed of material 3 fits together, then passes through contour machining procedure, defines composite diaphragm of the present utility model.
Vibrating diaphragm of the present utility model, by the glue being added with Graphene be coated solidify, and in the form of adhesive film with
The first engineering plastic bed of material, the second engineering plastic bed of material are fit together by combination process, then are fabricated to vibrating diaphragm by moulding process.
The addition of Graphene, makes the damping and amortization of vibrating diaphragm strengthen, improves the low frequency performance of product, reduce the harmonic distortion of product;With
When so that vibrating diaphragm bulk strength improve, enhance the high frequency performance of product.And vibrating diaphragm of the present utility model, Graphene
Add and make adhesive film resistance to elevated temperatures preferably, product can be made still to have relatively low distortion and good tonequality at high temperature.
Embodiment 2
A kind of vibrating diaphragm of the sound-producing device providing with reference to Fig. 2, this utility model, includes the first engineering plastic bed of material 4, glue successively
Film layer 5, elastomer layer 6, the second engineering plastic bed of material 7;The described first engineering plastic bed of material 4, adhesive film 5, elastomer layer 6, the second work
Engineering plastics layer 7 fits together through combination process.
Same as Example 1, in the present embodiment, the described first engineering plastic bed of material 4, the second engineering plastic bed of material 7 can
Using material well-known to those skilled in the art, such as polyether-ether-ketone, polyarylate, Polyetherimide, polyimides, polyphenylene sulfide
Ether, PEN, polyethylene terephthalate etc..For a person skilled in the art, the first work
Engineering plastics layer 4, the second engineering plastic bed of material 7 material can identical it is also possible to different, those skilled in the art can be according to actual need
Selected.
Adhesive film 5 of the present utility model is formed by the glue application solidification being added with Graphene, the addition control of Graphene
In 0.1wt%-5wt%, glue can be acrylic compounds, silicone, polyurethaness etc. to system, and the addition of Graphene enhances glue
Interaction between hydrone.Adhesive film 5 of the present utility model, the glue being added with Graphene is coated solidifying, is formed
There is the adhesive film of certain thickness, intensity, the mode of coating solidification belongs to the common knowledge of those skilled in the art.This practicality is new
The elastomer layer 6 of type can adopt thermoplastic elastic material well-known to those skilled in the art, such as thermoplastic polyurethane
Elastomer, thermoplastic poly esters elastomer etc..
By combination process, can be by the first engineering plastic bed of material 4, adhesive film 5, elastomer layer 6, the second engineering plastic bed of material 7
Fit together, then through contour machining procedure, define composite diaphragm of the present utility model.
Embodiment 3
With reference to Fig. 3, a kind of vibrating diaphragm of sound-producing device that this utility model provides, include successively the first engineering plastic bed of material 8, the
One adhesive film 9, the second engineering plastic bed of material 10, the second adhesive film 11, the 3rd engineering plastic bed of material 12;The described first engineering plastic bed of material 8,
First adhesive film 9, the second engineering plastic bed of material 10, the second adhesive film 11, the 3rd engineering plastic bed of material 12 are fitted in through combination process
Together.
Same as Example 1, in the present embodiment, the described first engineering plastic bed of material 8, the second engineering plastic bed of material 10,
The 3rd engineering plastic bed of material 12 can adopt material well-known to those skilled in the art, such as polyether-ether-ketone, polyarylate, polyetherimide
Amine, polyimides, polyphenylene sulfide, PEN, polyethylene terephthalate etc..Skill for this area
For art personnel, the first engineering plastic bed of material 8, the second engineering plastic bed of material 10, the 3rd engineering plastic bed of material 12 material can be identical,
Can be different, those skilled in the art can be selected according to actual needs.
First adhesive film 9 of the present utility model, the second adhesive film 11 are formed by the glue application solidification being added with Graphene,
The addition of Graphene controls in 0.1wt%-5wt%, and glue can be acrylic compounds, silicone, polyurethaness etc., graphite
The addition of alkene enhances the intermolecular interaction of glue.First adhesive film 9 of the present utility model, the second adhesive film 11, will add
Glue added with Graphene is coated solidifying, and forms the adhesive film with certain thickness, intensity, and the mode of coating solidification belongs to
The common knowledge of those skilled in the art.Adhesive film due to solidification has certain adhesive property in itself, by combination process,
By the first engineering plastic bed of material 8, the first adhesive film 9, the second engineering plastic bed of material 10, the second adhesive film 11, the 3rd engineering plastic bed of material 12
Fit together, then through contour machining procedure, define composite diaphragm of the present utility model.
Embodiment 4
With reference to Fig. 4, a kind of vibrating diaphragm of sound-producing device that this utility model provides, include successively the first engineering plastic bed of material 13,
First elastomer layer 14, adhesive film 15, the second elastomer layer 16, the second engineering plastic bed of material 17;The described first engineering plastic bed of material 13,
First elastomer layer 14, adhesive film 15, the second elastomer layer 16, the second engineering plastic bed of material 17 are fitted in one through combination process
Rise.
It is that the described first engineering plastic bed of material 13, the second engineering plastic bed of material 17 can adopt with embodiment 1, embodiment 2 identical
Material well-known to those skilled in the art, such as polyether-ether-ketone, polyarylate, Polyetherimide, polyimides, polyphenylene sulfide,
PEN, polyethylene terephthalate etc..For a person skilled in the art, the first engineering plastic
The bed of material 13, the second engineering plastic bed of material 17 material can identical it is also possible to different, those skilled in the art can be according to actual needs
Selected.
Adhesive film 15 of the present utility model is formed by the glue application solidification being added with Graphene, the addition control of Graphene
In 0.1wt%-5wt%, glue can be acrylic compounds, silicone, polyurethaness etc. to system, and the addition of Graphene enhances glue
Interaction between hydrone.Adhesive film 15 of the present utility model, the glue being added with Graphene is coated solidifying, is formed
There is the adhesive film of certain thickness, intensity, the mode of coating solidification belongs to the common knowledge of those skilled in the art.
First elastomer layer 14 of the present utility model, the second elastomer layer 16 can adopt well known to those skilled in the art
Thermoplastic elastic material, such as Polyurethane Thermoplastic Elastomer, thermoplastic poly esters elastomer etc..
By combination process, can be by the first engineering plastic bed of material 13, the first elastomer layer 14, adhesive film 15, second elasticity
Body layer 16, the second engineering plastic bed of material 17 fit together, then through contour machining procedure, define of the present utility model being combined and shake
Film.
Embodiment 5
With reference to Fig. 5, a kind of vibrating diaphragm of sound-producing device that this utility model provides, include successively the first engineering plastic bed of material 18,
First adhesive film 19, elastomer layer 20, the second adhesive film 21, the second engineering plastic bed of material 22;The described first engineering plastic bed of material 18,
One adhesive film 19, elastomer layer 20, the second adhesive film 21, the second engineering plastic bed of material 22 fit together through combination process.
With embodiment 1, embodiment 2 identical it is, in the present embodiment, the described first engineering plastic bed of material 18, the second engineering plastic
The bed of material 22 can adopt material well-known to those skilled in the art, and such as polyether-ether-ketone, polyarylate, Polyetherimide, polyamides are sub-
Amine, polyphenylene sulfide, PEN, polyethylene terephthalate etc..For those skilled in the art
Speech, the first engineering plastic bed of material 18, the second engineering plastic bed of material 22 material can identical it is also possible to different, those skilled in the art
Can be selected according to actual needs.
First adhesive film 19 of the present utility model, the second adhesive film 21 are by the glue application solidification being added with Graphene
Become, the addition of Graphene controls in 0.1wt%-5wt%, and glue can be acrylic compounds, silicone, polyurethaness etc.,
The addition of Graphene enhances the intermolecular interaction of glue.Adhesive film of the present utility model, will be added with the glue of Graphene
Water is coated solidifying, and forms the adhesive film with certain thickness, intensity, and the mode of coating solidification belongs to those skilled in the art
Common knowledge.Elastomer layer 20 of the present utility model can adopt thermoplastic elastomer (TPE) material well-known to those skilled in the art
Material, such as Polyurethane Thermoplastic Elastomer, thermoplastic poly esters elastomer etc..
Because the adhesive film of solidification and elastomer layer have certain adhesive property in itself, by combination process, permissible
The first engineering plastic bed of material 18, the first adhesive film 19, elastomer layer 20, the second adhesive film 21, the second engineering plastic bed of material 22 are fitted
Together, then through contour machining procedure, define composite diaphragm of the present utility model.
Although being described in detail to some specific embodiments of the present utility model by example, this area
It is to be understood by the skilled artisans that above example is merely to illustrate, rather than in order to limit scope of the present utility model.This
Field it is to be understood by the skilled artisans that can be in the case of without departing from scope and spirit of the present utility model, to above example
Modify.Scope of the present utility model is defined by the following claims.
Claims (7)
1. a kind of vibrating diaphragm of sound-producing device it is characterised in that: include the first engineering plastic bed of material (1), the second engineering plastic bed of material (3),
And it is located at adhesive film (2) between the first engineering plastic bed of material (1), the second engineering plastic bed of material (3), described adhesive film (2) is by adding
Glue application solidification added with Graphene forms;The described first engineering plastic bed of material (1), adhesive film (2), the second engineering plastic bed of material
(3) fit together through combination process.
2. vibrating diaphragm according to claim 1 it is characterised in that: the described first engineering plastic bed of material (1), the second engineering plastic bed of material
(3) it is polyether-ether-ketone, polyarylate, Polyetherimide, polyimides, polyphenylene sulfide, PEN, gather to benzene two
One of formic acid glycol ester.
3. a kind of vibrating diaphragm of sound-producing device it is characterised in that: include successively the first engineering plastic bed of material (4), adhesive film (5), elasticity
Body layer (6), the second engineering plastic bed of material (7);Described adhesive film (5) is formed by the glue application solidification being added with Graphene;Described
The first engineering plastic bed of material (4), adhesive film (5), elastomer layer (6), the second engineering plastic bed of material (7) are fitted in one through combination process
Rise.
4. vibrating diaphragm according to claim 3 it is characterised in that: described elastomer layer (6) be Polyurethane Thermoplastic Elastomer
Or thermoplastic poly esters elastomer.
5. a kind of vibrating diaphragm of sound-producing device it is characterised in that: include successively the first engineering plastic bed of material (8), the first adhesive film (9),
The second engineering plastic bed of material (10), the second adhesive film (11), the 3rd engineering plastic bed of material (12);Described first adhesive film (9), the second glue
Film layer (11) is formed by the glue application solidification being added with Graphene;The described first engineering plastic bed of material (8), the first adhesive film (9),
The second engineering plastic bed of material (10), the second adhesive film (11), the 3rd engineering plastic bed of material (12) are tied together through combination process.
6. a kind of vibrating diaphragm of sound-producing device it is characterised in that: include the first engineering plastic bed of material (13), the first elastomer layer successively
(14), adhesive film (15), the second elastomer layer (16), the second engineering plastic bed of material (17);Described adhesive film (15) is by being added with stone
The glue application solidification of black alkene forms;The described first engineering plastic bed of material (13), the first elastomer layer (14), adhesive film (15),
Two elastomer layers (16), the second engineering plastic bed of material (17) fit together through combination process.
7. a kind of vibrating diaphragm of sound-producing device it is characterised in that: include the first engineering plastic bed of material (18), the first adhesive film successively
(19), elastomer layer (20), the second adhesive film (21), the second engineering plastic bed of material (22);Described first adhesive film (19), the second glue
Film layer (21) is formed by the glue application solidification being added with Graphene;The described first engineering plastic bed of material (18), the first adhesive film
(19), elastomer layer (20), the second adhesive film (21), the second engineering plastic bed of material (22) fit together through combination process.
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CN201620399415.5U CN205912244U (en) | 2016-05-05 | 2016-05-05 | Sound generating mechanism's vibrating diaphragm |
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CN201620399415.5U CN205912244U (en) | 2016-05-05 | 2016-05-05 | Sound generating mechanism's vibrating diaphragm |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109391873A (en) * | 2017-08-10 | 2019-02-26 | 深圳清华大学研究院 | The loudspeaker signal conditioning system of graphene REINFORCED PET plastics acoustic diaphragm |
-
2016
- 2016-05-05 CN CN201620399415.5U patent/CN205912244U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109391873A (en) * | 2017-08-10 | 2019-02-26 | 深圳清华大学研究院 | The loudspeaker signal conditioning system of graphene REINFORCED PET plastics acoustic diaphragm |
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