CN203708461U - A loudspeaker vibration diaphragm - Google Patents
A loudspeaker vibration diaphragm Download PDFInfo
- Publication number
- CN203708461U CN203708461U CN201320807400.4U CN201320807400U CN203708461U CN 203708461 U CN203708461 U CN 203708461U CN 201320807400 U CN201320807400 U CN 201320807400U CN 203708461 U CN203708461 U CN 203708461U
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- Prior art keywords
- substrate layer
- vibrating diaphragm
- glue
- line
- diaphragm
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- Expired - Lifetime
Links
- 239000000758 substrate Substances 0.000 claims abstract description 85
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000000853 adhesive Substances 0.000 claims description 42
- 230000001070 adhesive effect Effects 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 21
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 9
- 229920002530 polyetherether ketone Polymers 0.000 claims description 9
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 6
- 238000000465 moulding Methods 0.000 abstract description 14
- 239000003292 glue Substances 0.000 abstract description 9
- 229920001187 thermosetting polymer Polymers 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 78
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010030 laminating Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 150000003949 imides Chemical class 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920001230 polyarylate Polymers 0.000 description 3
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- -1 preferably Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model discloses a loudspeaker vibration diaphragm comprising at least two substrate layers and a glue layer arranged between each two adjacent substrate layers. The glue layer is thermosetting glue. A combined body of the thermosetting glue and the substrate layers is heated so as to form a vibration diaphragm. The thermosetting glue is solidified in a vibration molding process and forms an integrated structure with the substrate layers. According to the structure in which the substrate layers are combined with each other through the thermosetting glue layers, the vibration moulding is good; the intensity and the elasticity of the vibration diaphragm are both relatively good; so that the acoustic performance and the stability of the vibration diaphragm can both be raised.
Description
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of diaphragm of loudspeaker.
Background technology
The diaphragm of loudspeaker comprises vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of vibrating diaphragm one side, the structure formation of vibrating diaphragm employing single layer structure of the prior art or MULTILAYER COMPOSITE, thus can reconcile according to concrete requirement the concrete acoustical behavior of the diaphragm of loudspeaker.More and more higher along with what loud speaker was required, prior art is also more and more higher to the performance requirement of vibrating diaphragm, therefore needs to find the diaphragm materials that can meet this high acoustics performance requirement.
In order to meet the required acoustical behavior of vibrating diaphragm, vibrating diaphragm adopts the structure of MULTILAYER COMPOSITE conventionally at present, and vibrating diaphragm comprises the substrate layer of multilayer, between substrate layer, is integrated by colloid secure bond.And at present the glue-line in the diaphragm of loudspeaker mostly to be under normal temperature be curable glue, vibrating diaphragm is compressing again after glue-line and substrate layer secure bond, the compressing front colloid of vibrating diaphragm is had cured, and therefore vibrating diaphragm easy moulding in the time of the structures such as compacting ring portion is bad.In addition, the elasticity of this normal temperature cure glue and intensity are all poor, and after substrate layer secure bond, the elasticity of vibrating diaphragm and intensity are all difficult to reach requirement; And easily occur that vibrating diaphragm layering etc. is bad.Therefore, be necessary the diaphragm of loudspeaker of this structure to improve, to avoid this defect.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of diaphragm of loudspeaker, can improve elasticity and the intensity of vibrating diaphragm, improves the stability of vibrating diaphragm, and can optimize the molding effect of vibrating diaphragm.
For solving the problems of the technologies described above, of the present utility modelly provide a kind of diaphragm of loudspeaker, comprise at least two-layer substrate layer and be arranged at the glue-line between arbitrary adjacent described substrate layer, wherein, described glue-line is hot-setting adhesive, the combination hot briquetting of described hot-setting adhesive and described substrate layer is described vibrating diaphragm, and described hot-setting adhesive solidifies with described substrate layer and forms integrative-structure in vibrating diaphragm forming process.
In addition, preferred scheme is that the described substrate layer in described vibrating diaphragm is one or more in PEEK, PET, PEI or PAR.
In addition, preferred scheme is, described vibrating diaphragm comprises two-layer substrate layer and be incorporated into the hot-setting adhesive glue-line between described substrate layer, and the material of described substrate layer is identical.
In addition, preferred scheme is, described vibrating diaphragm comprises two-layer substrate layer and be incorporated into the hot-setting adhesive glue-line between described substrate layer, and described substrate layer is two kinds of different materials.
In addition, preferred scheme is, described vibrating diaphragm comprises three layers of substrate layer and be arranged at the hot-setting adhesive glue-line between the substrate layer of arbitrary neighborhood, and the material of three layers of described substrate layer is identical.
In addition, preferred scheme is, described vibrating diaphragm comprises three layers of substrate layer and is arranged at the hot-setting adhesive glue-line between the substrate layer of arbitrary neighborhood, the material difference of three layers of described substrate layer.
In addition, preferred scheme is, described vibrating diaphragm comprises the plane ball top that is positioned at centre position and the ring portion that is positioned at described ball top, the curved-surface structure that described ring portion is arc.
Adopt after technique scheme, compared with traditional structure, between the utility model substrate layer, pass through the structure of hot-setting adhesive glue-line combination, the process of vibrating diaphragm moulding is also the process of the fixing bonding substrates layer of hot-setting adhesive, the forming of this structure vibrating diaphragm, and thermosetting cement have higher intensity and elasticity, make to shake film strength and elasticity are all relatively good, therefore can improve the acoustical behavior of vibrating diaphragm; And because the cohesive force of curing glue is strong, can avoid vibrating diaphragm to occur the phenomenons such as layering, thereby increase the stability of vibrating diaphragm.
Accompanying drawing explanation
By below in conjunction with accompanying drawing, the utility model being described, above-mentioned feature of the present utility model and technological merit will become apparent and easily understand.
Fig. 1 is the perspective view of the utility model embodiment mono-diaphragm of loudspeaker;
Fig. 2 is the application structure figure of the utility model embodiment mono-vibrating diaphragm;
Fig. 3 is the structural representation of the utility model embodiment mono-vibrating diaphragm;
Fig. 4 is the structural representation of the utility model embodiment bis-vibrating diaphragms;
Fig. 5 is the structural representation of the utility model embodiment tri-vibrating diaphragms.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to further detailed description.
Embodiment mono-:
As depicted in figs. 1 and 2, the diaphragm of loudspeaker 1 comprises the plane ball top II that is positioned at centre position, and is positioned at the I of ring portion at II edge, ball top, the curved-surface structure that wherein I of ring portion is arc.The downside of vibrating diaphragm 1 is combined with voice coil loudspeaker voice coil 2, and voice coil loudspeaker voice coil 2 is electrically connected with external circuit, and voice coil loudspeaker voice coil 2 is connected stressed up-down vibration in the magnetic gap forming in magnetic circuit system (not shown) after the signal of telecommunication, further drives vibrating diaphragm 1 generation of vibration sound.In the process of vibrating diaphragm 1 up-down vibration, vibrating diaphragm 1 can produce resilience force, make vibrating diaphragm 1 can be normally vibration repeatedly.
As shown in Figures 2 and 3, the present embodiment vibrating diaphragm 1 is by two-layer substrate layer 11 and be incorporated into glue-line 10 secure bond between two-layer substrate layer 11, the two-layer substrate layer 11 of the present embodiment is identical material, can be PEEK(polyether-ether-ketone), PET(PETG), PEI(ether acid imide) or PAR(polyarylate) in one, above-mentioned material all has good elasticity and intensity, is conducive to guarantee the acoustical behavior of vibrating diaphragm 1.
Preferably, the utility model glue-line 10 is hot-setting adhesive glue-line, hot-setting adhesive quick solidifying, intensity are high, after two substrate layers 11 are laminating with hot-setting adhesive glue-line 10, first glue-line 10 is carried out to precuring, make to there is certain cohesive force between substrate layer 11 and glue-line 10, then compressing with the combination of glue-line 10 to substrate layer 11, the I of ring portion and the ball top II of formation vibrating diaphragm 1.The uniform temperature that is heated to hot-setting adhesive can realize completely curing, precuring be heated to suitable temperature in advance to glue-line 10, this temperature is lower than the completely crued temperature of hot-setting adhesive, make hot-setting adhesive glue-line 10 there is certain viscosity, can reduce the trickling of glue-line 10, and can carry out preliminary bonding to two substrate layers 11.The process need that the combination compacting of substrate layer 11 and glue-line 10 is formed to vibrating diaphragm 1 carries out at higher temperature, conventionally can reach 120～130 degrees Celsius, and this temperature can make hot-setting adhesive glue-line 10 solidify equally, make solidifying of glue-line 10 synchronize and to realize with the moulding of vibrating diaphragm 1.Glue-line 10 is the synchronous shape of being convenient to adjust glue-line 10 of solidifying in vibrating diaphragm 1 forming process, makes vibrating diaphragm 1 have good molding effect, especially the molding effect of the I of ring portion.In addition, hot-setting adhesive intensity and elasticity are all relatively good, therefore adopt the intensity of vibrating diaphragm 1 of hot-setting adhesive glue-line 10 good, good springiness, thus be conducive to improve the sounding effect of vibrating diaphragm 1, and, the vibrating diaphragm 1 of this employing hot-setting adhesive moulding, between substrate layer 11, the fastness of combination is good, is not easy to occur lamination, thereby can guarantee the stability of vibrating diaphragm 1.
Wherein the manufacture method of above-mentioned vibrating diaphragm comprises the steps:
A, by substrate layer with hot-setting adhesive glue-line is laminating is integrated, carries out precuring to glue-line, makes substrate layer and the glue-line formation diaphragm that tentatively bonds;
B, to the diaphragm heating forming in step a compressing, forms vibrating diaphragm.
Except above-mentioned two steps, in order further to increase the stability of vibrating diaphragm, can further heat vibrating diaphragm, hot-setting adhesive glue-line is further solidified, further increase elasticity and the intensity of vibrating diaphragm.The precuring of step a mesoglea is that glue-line is heated, and the temperature of heating, lower than the completely crued temperature of hot-setting adhesive, makes hot-setting adhesive glue-line have certain viscosity, reduces the trickling of glue-line, makes glue-line carry out preliminary bonding to substrate layer.The present embodiment, in step b, the compressing process of vibrating diaphragm is the process that vibrating diaphragm compacting is formed to ball top and ring portion.For the vibrating diaphragm of hollow ring, vibrating diaphragm only comprises ring portion, the compressing process that vibrating diaphragm compacting is formed to ring portion that only comprises of vibrating diaphragm.
Embodiment bis-:
As shown in Figure 4, the present embodiment vibrating diaphragm has two-layer substrate layer: one deck substrate layer 11 and one deck substrate layer 12, between the two-layer substrate layer of arbitrary neighborhood, by glue-line 10 secure bond, its mesoglea 10 is hot-setting adhesive.The present embodiment substrate layer 11 and substrate layer 12 are respectively different materials, preferably, material is PEEK(polyether-ether-ketone), PET(PETG), PEI(ether acid imide) or PAR(polyarylate) in any two kinds, above-mentioned material all has good elasticity and intensity.Substrate layer 11 of the present utility model and substrate layer 12 adopt respectively different materials, between substrate layer 11 and substrate layer 12, pass through 10 combinations of hot-setting adhesive glue-line, substrate layer 11, substrate layer 12 and hot-setting adhesive glue-line 10 carry out precuring in conjunction with rear to glue-line 10, make glue-line 10 there is certain cohesive force, after glue-line 10 precuring, the combination of substrate layer 11, substrate layer 12, glue-line 10 is suppressed to the ring portion and the ball top that form vibrating diaphragm.Wherein, compacting vibrating diaphragm need to carry out at higher temperature, and this temperature also can make to solidify adhesive curing simultaneously, and therefore the curing process of the compressing process of vibrating diaphragm and glue-line 10 is synchronous, makes vibrating diaphragm moulding better.And hot-setting adhesive has higher intensity and stronger cohesive force, make to shake film strength and elasticity are all relatively good, therefore can improve the acoustical behavior of vibrating diaphragm, guarantee the stability of vibrating diaphragm.
The manufacture method of the present embodiment vibrating diaphragm is the same, comprises the steps:
A, by substrate layer with hot-setting adhesive glue-line is laminating is integrated, carries out precuring to glue-line, makes substrate layer and the glue-line formation diaphragm that tentatively bonds;
B, to the diaphragm heating forming in step a compressing, forms vibrating diaphragm.
Except above-mentioned two steps, in order further to increase the stability of vibrating diaphragm, can further heat vibrating diaphragm, hot-setting adhesive glue-line is further solidified, further increase elasticity and the intensity of vibrating diaphragm.Above-mentioned vibrating diaphragm moulding process can guarantee the molding effect of vibrating diaphragm, guarantees the stability of vibrating diaphragm.
Embodiment tri-:
As shown in Figure 5, the present embodiment vibrating diaphragm has three layers of substrate layer 11, between the substrate layer 11 of arbitrary neighborhood, be equipped with glue-line 10, preferably, the material of substrate layer 11 is PEEK(polyether-ether-ketone), PET(PETG), PEI(ether acid imide) or PAR(polyarylate) in any one.With above embodiment, glue-line 10 is hot-setting adhesive glue-line, and substrate layer 11 makes vibrating diaphragm compacting form ball top and ring portion with the compound rear heating of glue-line 10, the also fixing secure bond realizing between substrate layer 11 of hot-setting adhesive glue-line 10 in the process of vibrating diaphragm hot briquetting.This vibrating diaphragm forming, and shake film strength and elasticity also relatively good, can improve acoustical behavior and the stability of vibrating diaphragm.
The manufacture method of the present embodiment vibrating diaphragm is with above embodiment, and step is as follows:
A, by substrate layer with hot-setting adhesive glue-line is laminating is integrated, carries out precuring to glue-line, makes substrate layer and the glue-line formation diaphragm that tentatively bonds;
B, to the diaphragm heating forming in step a compressing, forms vibrating diaphragm.
Except above-mentioned two steps, in order further to increase the stability of vibrating diaphragm, can further heat vibrating diaphragm, hot-setting adhesive glue-line is further solidified, further increase elasticity and the intensity of vibrating diaphragm.Above-mentioned vibrating diaphragm moulding process can guarantee the molding effect of vibrating diaphragm, guarantees the stability of vibrating diaphragm.
In addition, the utility model is not limited to above-mentioned three embodiment, and choosing of substrate layer material is not limited to these four kinds of materials of above-mentioned PEEK, PET, PEI or PAR, can be also other materials, between adjacent two substrate layers, adopts hot-setting adhesive combination; While adopting three layers of substrate layer, the material of three layers of substrate layer can be different, adopts three kinds of different substrate layer materials; More than improve all in protection range of the present utility model.
Under above-mentioned instruction of the present utility model; those skilled in the art can carry out other improvement and distortion on the basis of above-described embodiment; and these improvement and distortion; all drop in protection range of the present utility model; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained the purpose of this utility model, and protection range of the present utility model is limited by claim and equivalent thereof.
Claims (7)
1. a diaphragm of loudspeaker, comprise at least two-layer substrate layer and be arranged at the glue-line between arbitrary adjacent described substrate layer, it is characterized in that, described glue-line is hot-setting adhesive, the combination hot briquetting of described hot-setting adhesive and described substrate layer is described vibrating diaphragm, and described hot-setting adhesive solidifies with described substrate layer and forms integrative-structure in vibrating diaphragm forming process.
2. the diaphragm of loudspeaker according to claim 1, is characterized in that, the described substrate layer in described vibrating diaphragm is one or more in PEEK, PET, PEI or PAR.
3. the diaphragm of loudspeaker according to claim 2, is characterized in that, described vibrating diaphragm comprises two-layer substrate layer and be incorporated into the hot-setting adhesive glue-line between described substrate layer, and the material of described substrate layer is identical.
4. the diaphragm of loudspeaker according to claim 2, is characterized in that, described vibrating diaphragm comprises two-layer substrate layer and be incorporated into the hot-setting adhesive glue-line between described substrate layer, and described substrate layer is two kinds of different materials.
5. the diaphragm of loudspeaker according to claim 2, is characterized in that, described vibrating diaphragm comprises three layers of substrate layer and be arranged at the hot-setting adhesive glue-line between the substrate layer of arbitrary neighborhood, and the material of three layers of described substrate layer is identical.
6. the diaphragm of loudspeaker according to claim 2, is characterized in that, described vibrating diaphragm comprises three layers of substrate layer and is arranged at the hot-setting adhesive glue-line between the substrate layer of arbitrary neighborhood, the material difference of three layers of described substrate layer.
7. according to the diaphragm of loudspeaker described in the arbitrary claim of claim 1 to 6, it is characterized in that, described vibrating diaphragm comprises the plane ball top that is positioned at centre position and the ring portion that is positioned at described ball top, the curved-surface structure that described ring portion is arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320807400.4U CN203708461U (en) | 2013-12-10 | 2013-12-10 | A loudspeaker vibration diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320807400.4U CN203708461U (en) | 2013-12-10 | 2013-12-10 | A loudspeaker vibration diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708461U true CN203708461U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320807400.4U Expired - Lifetime CN203708461U (en) | 2013-12-10 | 2013-12-10 | A loudspeaker vibration diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203708461U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103686548A (en) * | 2013-12-10 | 2014-03-26 | 歌尔声学股份有限公司 | Loudspeaker diaphragm and manufacturing method thereof |
| WO2017181718A1 (en) * | 2016-04-22 | 2017-10-26 | 歌尔股份有限公司 | Diaphragm and miniature speaker comprising same |
-
2013
- 2013-12-10 CN CN201320807400.4U patent/CN203708461U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103686548A (en) * | 2013-12-10 | 2014-03-26 | 歌尔声学股份有限公司 | Loudspeaker diaphragm and manufacturing method thereof |
| WO2017181718A1 (en) * | 2016-04-22 | 2017-10-26 | 歌尔股份有限公司 | Diaphragm and miniature speaker comprising same |
| US10856083B2 (en) | 2016-04-22 | 2020-12-01 | Goertek Inc. | Diaphragm and miniature speaker comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: GOERTEK Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
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| CX01 | Expiry of patent term |