CN206136297U - Vibrating diaphragm and be equipped with micro - generator of this vibrating diaphragm - Google Patents
Vibrating diaphragm and be equipped with micro - generator of this vibrating diaphragm Download PDFInfo
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- CN206136297U CN206136297U CN201620918419.XU CN201620918419U CN206136297U CN 206136297 U CN206136297 U CN 206136297U CN 201620918419 U CN201620918419 U CN 201620918419U CN 206136297 U CN206136297 U CN 206136297U
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Abstract
The utility model discloses a vibrating diaphragm and be equipped with micro - generator of this vibrating diaphragm relates to electro -acoustic products technical field, the vibrating diaphragm includes the polymer alloy layer, the polymer alloy layer is engineering plastics class polymer alloy -layer or thermoplastic elastomer class polymer alloy -layer. Micro - generator includes vibration system and magnetic circuit, vibration system including combining vibrating diaphragm and voice coil loudspeaker voice coil together, the vibrating diaphragm is the vibrating diaphragm including the polymer alloy layer. The utility model discloses vibrating diaphragm and be equipped with micro - generator of this vibrating diaphragm has solved vocal ware performance subalternation technical problem among the prior art, the utility model discloses the vibrating diaphragm and be equipped with micro - generator of this vibrating diaphragm performance is excellent, the compound simple process of vibrating diaphragm simultaneously, and the cost of manufacture is hanged down, can satisfy the requirement of people to electronic equipment high performance, high sound quality.
Description
Technical field
This utility model is related to electro-acoustic product technical field, more particularly to a kind of compound vibrating diaphragm and is provided with the micro- of the vibrating diaphragm
Type acoustical generator.
Background technology
Minitype acoustic generator is a kind of important acoustic element in portable electric appts, for the sound wave signal of telecommunication is converted into
Acoustical signal spreads out of, and is a kind of energy conversion device.Minitype acoustic generator generally includes vibrational system and magnetic circuit system, vibrational system
Including the vibrating diaphragm and voice coil loudspeaker voice coil that are combined together, vibrating diaphragm includes top dome portion and the folding for being looped around ball top peripheral positioned at center
Ring portion, vibrating diaphragm are the vitals of minitype acoustic generator, have vital effect to the sound reproduction performance of minitype acoustic generator, and it determines
Conversion quality of the minitype acoustic generator by electric energy to acoustic energy is determined.
At present, the use of portable electric appts increasingly globalizes, it is desirable to also more and more higher, and accordingly acoustical generator is shaken
The also increasingly generalization of the performance requirement of film, including heat resistance it is good, elastic modelling quantity is high, damping is big, elasticity is good etc..In order to ensure
Product has a preferable acoustical behavior, such as wider effective frequency range, relatively low harmonic distortion (THD), preferable tonequality etc., many
Layer composite diaphragm is more and more applied in acoustical generator, to meet above-mentioned requirements.
Existing composite diaphragm is generally composited by engineering plastics class and adhesive film, and this kind of vibrating diaphragm can be present when in use
Following defect：
First, performance is single：As the engineering plastics that vibrating diaphragm is obtained are usually one or two, it is difficult to it is high, resistance to take into account modulus
Many performances such as high temperature, good toughness are meeting the performance requirement of product each side；
2nd, combination process is complicated：In order to meet the performance requirement of each side, it usually needs multilamellar is fitted, and this just needs
It is loaded down with trivial details through multiple compound working procedure, complex process.
Although the species of composite diaphragm material, thickness, the diversified vibrating diaphragm of quantity acquisition can be passed through to change to meet not
Congener demand, or by the design in structure to improve the requirement to material, but suffer from limitation.
Utility model content
For disadvantages described above, first technical problem to be solved in the utility model is to provide a kind of vibrating diaphragm, this vibrating diaphragm
Have both the advantage of multiple material, excellent performance, simple production process, low production cost, it is possible to increase the items of minitype acoustic generator
Acoustical behavior.
Conceived based on same utility model, second technical problem to be solved in the utility model is to provide a kind of micro-
Type acoustical generator, this minitype acoustic generator acoustical behavior are excellent, disclosure satisfy that people are wanted to electronic equipment high-performance, loud sound quality
Ask.
To solve above-mentioned first technical problem, the technical solution of the utility model is：
A kind of vibrating diaphragm, the vibrating diaphragm include polymer alloy layer, and the polymer alloy layer is birdsed of the same feather flock together compound for engineering plastics
Alloy-layer or thermoplastic elastomer (TPE) Kinds of Polymer Alloys layer.
Used as a kind of embodiment, the vibrating diaphragm also includes the other materials being combined with each other with the polymer alloy layer
Layer, the other materials layer are thermoplastic elastomer or the engineering plastic bed of material, and the material of the other materials layer is poly- with described
The material type of compound alloy-layer is different.
Used as another embodiment, the polymer alloy layer is provided with two-layer, described in two-layer between polymer alloy layer
Other materials layer is provided with, the material of the other materials layer is different from the material type of the polymer alloy layer.
Wherein, the other materials layer is thermoplastic elastomer or the engineering plastic bed of material.
Wherein, the other materials layer is adhesive film.
Wherein, the other materials layer is provided with two-layer, and in other materials layer described in two-layer layer is thermoplastic elastomer (TPE)
Layer or the engineering plastic bed of material, another layer are adhesive film.
Wherein, the other materials layer is provided with three layers, and the two-layer in three layers of other materials layer positioned at outside is thermoplastic
Property the elastomer layer or engineering plastic bed of material, be adhesive film positioned at a layer of center.
Wherein, the other materials layer is provided with three layers, and the two-layer in three layers of other materials layer positioned at outside is glued membrane
Layer, is thermoplastic elastomer or the engineering plastic bed of material positioned at one layer of center.
Wherein, at least two during the engineering plastics polymer alloy layer is by PEEK, PAR, PEI, PI, PPS, PEN and PET
Plant blending to be obtained；The thermoplastic elastomer polymer alloy-layer is by phenylethylene, olefines, diene class, polyvinyl chloride-base, urethane
At least two blendings in class, esters, amide-type, organic fluoride class, silicone and ethylene analog thermoplastic elastomer are obtained.
To solve above-mentioned second technical problem, the technical solution of the utility model is：
A kind of minitype acoustic generator, including vibrational system and magnetic circuit system, the vibrational system include that what is be combined together shakes
Film and voice coil loudspeaker voice coil, the vibrating diaphragm are above-mentioned vibrating diaphragm.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：
As this utility model vibrating diaphragm includes polymer alloy layer, polymer alloy layer is engineering plastics Kinds of Polymer Alloys
Layer or thermoplastic elastomer (TPE) Kinds of Polymer Alloys layer.Polymer alloy thin film is referred to and is mutually melted chemical constitution different at least two
Homopolymer or copolymer Jing physical mixed, mixture can have the good characteristic of different component concurrently, then by certain molding
Process technology, such as extrusion molding, flow casting molding, thin film blowing etc., the thin film that polymer alloy material is processed into.This practicality
The new vibrating diaphragm comprising polymer alloy layer is had the advantage that compared with existing composite diaphragm：
First, excellent performance：Polymer alloy layer is obtained by various different polymeric materials, has had both different polymeric materials
Advantage, possess the performances such as modulus is high, damping is big, high temperature resistant, elastic good, good toughness, disclosure satisfy that the performance requirement of vibrating diaphragm；
2nd, simple production process：Polymer alloy layer is single thin layer, need not be entered while performance requirement is met
Row is compound, eliminates repeatedly compound operation, simplifies processing technology, saved cost；
Can be drawn by above-mentioned advantage, this utility model vibrating diaphragm can effectively take into account the excellent properties of multiple material, energy
Minitype acoustic generator is enough improved including the every acoustical behavior including Whole frequency band tonequality, while simplify combination process, saved into
This.
As the vibrating diaphragm of this utility model minitype acoustic generator is above-mentioned vibrating diaphragm, so as to acoustical behavior is excellent, sound quality is more
Height, disclosure satisfy that people to electronic equipment high-performance, the requirement of loud sound quality.
In sum, this utility model vibrating diaphragm and it is provided with the minitype acoustic generator of the vibrating diaphragm and solves acoustical generator in prior art
The technical problems such as poor performance, this utility model vibrating diaphragm and be provided with the minitype acoustic generator excellent performance of the vibrating diaphragm, while vibrating diaphragm is answered
Process is simple is closed, low manufacture cost disclosure satisfy that people to electronic equipment high-performance, the requirement of loud sound quality.
Description of the drawings
Fig. 1 is the cross-sectional view of one vibrating diaphragm of this utility model embodiment；
Fig. 2 is the cross-sectional view of two vibrating diaphragm of this utility model embodiment；
Fig. 3 is the cross-sectional view of this utility model example IV vibrating diaphragm；
Fig. 4 is the cross-sectional view of six vibrating diaphragm of this utility model embodiment；
Fig. 5 is the cross-sectional view of seven vibrating diaphragm of this utility model embodiment；
Fig. 6 is the cross-sectional view of nine vibrating diaphragm of this utility model embodiment；
Fig. 7 is the cross-sectional view of 11 vibrating diaphragm of this utility model embodiment；
In figure：10th, polymer alloy layer, 20, thermoplastic elastomer, 30, adhesive film.
Specific embodiment
With reference to the accompanying drawings and examples, this utility model is expanded on further.
The outside being related in this specification refers to that then the side away from diaphragm surface is interior near the side of diaphragm surface
Side.
A kind of vibrating diaphragm, include from external shape positioned at centre top dome portion and be looped around the folding of ball top peripheral
Ring portion；From in internal structure, the vibrating diaphragm is included by the blended polymer alloy layer for processing of multiple polymers, this enforcement
In mode, preferably the polymer alloy layer is engineering plastics Kinds of Polymer Alloys layer or thermoplastic elastomer (TPE) Kinds of Polymer Alloys layer.
In present embodiment, preferred engineering plastics polymer alloy layer is by PEEK (Polyetheretherketone, polyethers
Ether ketone), PAR (Polyarylate, polyarylate), PEI (Polyetherimied, Polyetherimide), PI (Polyimide, gather
Acid imide), PPS (Polyphenylene sulfide, polyphenylene sulfide), PEN (Polyethylene naphthalate two
Formic acid glycol, PEN) and PET (Polyethylene glycol
Terephthalate, polyethylene terephthalate) etc. at least two blendings be obtained, but be not limited to above-mentioned seven
Plant material.In present embodiment, preferred thermoplastic elastomer polymer alloy layer is by phenylethylene, olefines, diene class, chloroethene
In the thermoplastic elastomer (TPE)s such as alkenes, urethane class, esters, amide-type, organic fluoride class, silicone and vinyl at least two are altogether
It is blended, but is not limited to above-mentioned ten kind material.
Above-mentioned technical proposal is sketched further with several specific embodiments below：
Embodiment one：
As shown in figure 1, vibrating diaphragm is only made up of polymer alloy layer 10, polymer alloy layer 10 is poly- for above-mentioned engineering plastics
Compound alloy-layer or thermoplastic elastomer polymer alloy-layer.
Embodiment two：
As shown in Fig. 2 vibrating diaphragm includes one layer of polymeric alloy-layer 10, also including one layer of other materials layer, other materials layer
It is complex as a whole with polymer alloy layer 10, the material of other materials layer is different from the material of polymer alloy layer, the present embodiment
Middle polymer alloy layer 10 be engineering plastics polymer alloy layer, other materials layer be thermoplastic elastomer 20, thermoplastic elastomehc
The material of gonosome layer 20 is the one kind in above-mentioned thermoplastic elastic material.
Embodiment three：
Present embodiment is essentially identical with embodiment two, and its difference is：
Polymer alloy layer be thermoplastic elastomer polymer alloy-layer, other materials layer be the engineering plastic bed of material, engineering plastic
The material of the bed of material is the one kind in above-mentioned engineering plastic materials.
Example IV：
As shown in figure 3, vibrating diaphragm includes two layers of polymers alloy-layer 10, be provided between two layers of polymers alloy-layer 10 one layer its
Its material layer, the material of other materials layer are different from the material of polymer alloy layer, and in the present embodiment, polymer alloy layer 10 is
Engineering plastics polymer alloy layer, other materials layer are thermoplastic elastomer 20, and the material of thermoplastic elastomer 20 is upper
State the one kind in thermoplastic elastic material.
Embodiment five：
Present embodiment is essentially identical with example IV, and its difference is：
Polymer alloy layer be thermoplastic elastomer polymer alloy-layer, other materials layer be the engineering plastic bed of material, engineering plastic
The material of the bed of material is the one kind in above-mentioned engineering plastic materials.
Embodiment six：
As shown in figure 4, vibrating diaphragm includes two layers of polymers alloy-layer 10, be provided between two layers of polymers alloy-layer 10 one layer its
Its material layer, the wherein material of other materials layer are different from the material of polymer alloy layer, and in the present embodiment, other materials layer is
Adhesive film 30, polymer alloy layer 10 are engineering plastics polymer alloy layer or thermoplastic elastomer polymer alloy-layer；Glued membrane
The material of layer 30 is the one kind in acrylic compounds, polyurethaness or silicone etc..
Embodiment seven：
As shown in figure 5, vibrating diaphragm includes two layers of polymers alloy-layer 10, be provided between two layers of polymers alloy-layer 10 two-layer its
Its material layer, a layer in the present embodiment in two-layer other materials layer are thermoplastic elastomer 20, and another layer is adhesive film 30.
Wherein, polymer alloy layer 10 is engineering plastics polymer alloy layer；The material of thermoplastic elastomer 20 is above-mentioned thermoplasticity
One kind in elastomeric material；The material of adhesive film 30 is the one kind in acrylic compounds, polyurethaness or silicone etc..
Embodiment eight：
Present embodiment is essentially identical with embodiment seven, and its difference is：
Polymer alloy layer is thermoplastic elastomer polymer alloy-layer, and other materials layer is engineering plastic in the present embodiment
The bed of material, the material of the engineering plastic bed of material are the one kind in above-mentioned engineering plastic materials.
Embodiment nine：
As shown in fig. 6, vibrating diaphragm includes two layers of polymers alloy-layer 10, be provided between two layers of polymers alloy-layer 10 three layers its
Its material layer, in the present embodiment in three layers of other materials layer positioned at outside two-layer be thermoplastic elastomer 20, i.e., respectively with
The two-layer that two layers of polymers alloy-layer 10 contacts is thermoplastic elastomer 20, is adhesive film 30 positioned at one layer of center, i.e.,
Adhesive film 30 is located between two layers of thermoplastic elastomer layer 20.Wherein, polymer alloy layer 10 is engineering plastics polymer alloy
Layer；The material of thermoplastic elastomer 20 is the one kind in above-mentioned thermoplastic elastic material；The material of adhesive film 30 is third
One kind in olefin(e) acid class, polyurethaness or silicone etc..
Embodiment ten：
Present embodiment is essentially identical with embodiment nine, and its difference is：
Polymer alloy layer is thermoplastic elastomer polymer alloy-layer, is the two of thermoplastic elastomer in embodiment nine
Layer other materials layer is the engineering plastic bed of material in the present embodiment, and the material of the engineering plastic bed of material is in above-mentioned engineering plastic materials
Kind.
Embodiment 11：
As shown in fig. 7, vibrating diaphragm includes two layers of polymers alloy-layer 10, be provided between two layers of polymers alloy-layer 10 three layers its
Its material layer, in the present embodiment in three layers of other materials layer positioned at outside two-layer be adhesive film 30, i.e., respectively with two layers of polymer
The two-layer that thing alloy-layer 10 contacts is adhesive film 30, and one layer of other materials layer positioned at center is thermoplastic elastomer 20,
I.e. thermoplastic elastomer 20 is located between two-layer adhesive film 30.The material of other materials layer is with the material of polymer alloy layer not
Together, then polymer alloy layer 10 is engineering plastics polymer alloy layer；The material of thermoplastic elastomer 20 is above-mentioned thermoplasticity
One kind in elastomeric material；The material of adhesive film 30 is the one kind in acrylic compounds, polyurethaness or silicone etc..
Embodiment 12：
Present embodiment is identical with embodiment hendecyl sheet, and its difference is：
Polymer alloy layer is thermoplastic elastomer polymer alloy-layer, is thermoplastic elastomer in embodiment 11
One layer of other materials layer is the engineering plastic bed of material in the present embodiment, during the material of the engineering plastic bed of material is above-mentioned engineering plastic materials
It is a kind of.
This utility model vibrating diaphragm includes the polymer alloy layer by obtained in polymer alloy, has had both the excellent of multiple material
Point, excellent performance greatly improve the acoustical behavior of minitype acoustic generator；Repeatedly compound operation is eliminated simultaneously, is simplified
Processing technology, low production cost.
A kind of minitype acoustic generator comprising above-mentioned vibrating diaphragm, including vibrational system and magnetic circuit system, vibrational system include combining
Vibrating diaphragm together and voice coil loudspeaker voice coil, vibrating diaphragm are the vibrating diaphragm including polymer alloy layer described in the various embodiments described above.
As this utility model minitype acoustic generator employs the above-mentioned vibrating diaphragm including polymer alloy layer, so as to greatly carry
High acoustical behavior, sound quality are good, disclosure satisfy that people to electronic equipment high-performance, the requirement of loud sound quality.
This utility model is not limited to above-mentioned specific embodiment, and one of ordinary skill in the art is visualized from above-mentioned
Send out, without performing creative labour, a variety of conversion made, all fall within protection domain of the present utility model.
Claims (9)
1. vibrating diaphragm, it is characterised in that the vibrating diaphragm includes polymer alloy layer, and the polymer alloy layer is birdsed of the same feather flock together for engineering plastics
Compound alloy-layer or thermoplastic elastomer (TPE) Kinds of Polymer Alloys layer.
2. vibrating diaphragm according to claim 1, it is characterised in that the vibrating diaphragm also includes compound with the polymer alloy layer
Other materials layer together, the other materials layer are thermoplastic elastomer or the engineering plastic bed of material, and the other materials
The material of layer is different from the material type of the polymer alloy layer.
3. vibrating diaphragm according to claim 1, it is characterised in that the polymer alloy layer is provided with two-layer, gathers described in two-layer
It is provided with other materials layer between compound alloy-layer, the material type of the material of the other materials layer and the polymer alloy layer
It is different.
4. vibrating diaphragm according to claim 3, it is characterised in that the other materials layer is thermoplastic elastomer or engineering
Plastic layer.
5. vibrating diaphragm according to claim 3, it is characterised in that the other materials layer is adhesive film.
6. vibrating diaphragm according to claim 3, it is characterised in that the other materials layer is provided with two-layer, described in two-layer other
One layer in material layer is thermoplastic elastomer or the engineering plastic bed of material, and another layer is adhesive film.
7. vibrating diaphragm according to claim 3, it is characterised in that the other materials layer is provided with three layers, described in three layers other
Two-layer in material layer positioned at outside is thermoplastic elastomer or the engineering plastic bed of material, is adhesive film positioned at a layer of center.
8. vibrating diaphragm according to claim 3, it is characterised in that：The other materials layer is provided with three layers, described in three layers other
Two-layer in material layer positioned at outside is adhesive film, is thermoplastic elastomer or the engineering plastic bed of material positioned at one layer of center.
9. minitype acoustic generator, including vibrational system and magnetic circuit system, the vibrational system include the vibrating diaphragm being combined together and sound
Circle, it is characterised in that the vibrating diaphragm is the vibrating diaphragm described in claim 1 to 8 any claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620918419.XU CN206136297U (en) | 2016-08-22 | 2016-08-22 | Vibrating diaphragm and be equipped with micro - generator of this vibrating diaphragm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620918419.XU CN206136297U (en) | 2016-08-22 | 2016-08-22 | Vibrating diaphragm and be equipped with micro - generator of this vibrating diaphragm |
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| CN206136297U true CN206136297U (en) | 2017-04-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108976763A (en) * | 2018-05-02 | 2018-12-11 | 歌尔股份有限公司 | Silicon oil modified polyurethane elastomer vibrating diaphragm and loudspeaker monomer |
-
2016
- 2016-08-22 CN CN201620918419.XU patent/CN206136297U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN108976763A (en) * | 2018-05-02 | 2018-12-11 | 歌尔股份有限公司 | Silicon oil modified polyurethane elastomer vibrating diaphragm and loudspeaker monomer |
| WO2019210645A1 (en) * | 2018-05-02 | 2019-11-07 | 歌尔股份有限公司 | Silicone modified polyurethane elastomer diaphragm and speaker monomer |
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