CN203267395U - Magnetic-induction sound absorption product - Google Patents
Magnetic-induction sound absorption product Download PDFInfo
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- CN203267395U CN203267395U CN 201320181219 CN201320181219U CN203267395U CN 203267395 U CN203267395 U CN 203267395U CN 201320181219 CN201320181219 CN 201320181219 CN 201320181219 U CN201320181219 U CN 201320181219U CN 203267395 U CN203267395 U CN 203267395U
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Abstract
The utility model provides a magnetic-induction sound absorption product which comprises a first material layer, a second material layer and a filling material layer, wherein the filling material layer is arranged between the first material layer and the second material layer and has an acoustical sound absorption function; the first material layer and the second material layer respectively comprise magnetic materials with a same polarity. Compared with an existing sound absorption product, the magnetic induction sound absorption product provided by the utility model can better resist compression, can recover more quickly after being compressed and has a better sound absorption/sound isolation effect. Furthermore, the magnetic induction sound absorption product can be conveniently arranged on an application object.
Description
Technical field
The utility model relates to the acoustical material field, relates in particular to a kind of sound-absorbing/acoustical insulation products that is applied in vehicular field.
Background technology
To more and more stricter requirement and the regulation in noise pollution aspect, also more and more to the demand that is applied to the high performance absorptive product in vehicular field on market along with vehicular field.For example, existing absorptive product is applied to the positions such as the front wall, car door welt, luggage case, floor compartment of vehicle usually, is used for absorbing the noise of vehicle and/or external environment.
At present, existing absorptive product generally includes two surfaces (such as nonwoven etc.) layer and is folded in sound-absorbing material (such as PP or PET material etc.) layer between these two superficial layers.Based on the difference of sound-absorbing material, yet some absorptive products employing superfine fibre materials etc. are as the poor and compressed later resilience DeGrain of this series products compressive property of sound-absorbing material.Thereby, thereby this class absorptive product exists when being applied in the situation with load pressure the easy attenuation of thickness and reduces the problems such as sound-absorbing space.Also have some absorptive products to adopt felt or foaming kind material etc. as sound-absorbing material, this series products is used in the position that there is load in front wall, car door welt or floor compartment etc. such as vehicle usually, but the sound absorption qualities of this series products is relatively poor, and sound-absorbing effect is not satisfactory.
Therefore, the tool industry demands occurring a kind of absorptive product with better pressure resistance energy, better resilience recovery effects and/or stronger sound-absorbing effect urgently.
The utility model content
The utility model is intended to overcome or alleviates above-mentioned existing at least one or a plurality of technical problem that exists in technology that make.
Therefore, at least one purpose of the present utility model be to provide a kind of and existing absorptive product compare more can be incompressible the magnetic strength absorptive product.
Another purpose of the present utility model be to provide a kind of and existing absorptive product compare after compressed can more fast quick-recovery the magnetic strength absorptive product.
Another purpose of the present utility model is to provide a kind of and existing absorptive product to compare the magnetic strength absorptive product with better sound-absorbing/soundproof effect.
Also purpose of the present utility model is to provide a kind of magnetic strength absorptive product that can be installed to easily on application.
At least one technical scheme of the present utility model is achieved in that
A kind of magnetic strength absorptive product comprises: the first material layer; The second material layer; And being arranged on encapsulant layer between the first material layer and the second material layer, encapsulant layer has the acoustics sound absorption function; Wherein, the magnetic material that contains respectively identical polar in the first material layer and the second material layer.
Preferably, magnetic material is can be respectively coated and/or be attached on the first material layer and the second material layer.
More preferably, magnetic material can be Powdered or laminar magnetic material.
According to the utility model, the first material layer can be for having the sound-absorbing material layer of noise adsorption function.Particularly, the first material layer can be by nonwoven, and paper-like materials is weaved cotton cloth, film or semipermeable membrane, and in porous plate material one or multiple manufacturing form.
According to the utility model, the second material layer can be for having the insulation material layer of noise isolation features.Particularly, the second material layer can be by film, sheet metal, and in nonwoven and sheet material one or multiple manufacturing form.
Preferably, the first material layer and/or the second material layer also can be the sheeting layer.
According to the utility model, encapsulant layer can be by the felts material, and in fiber-like material and foaming kind material one or multiple manufacturing form.Particularly, encapsulant layer can be single encapsulant layer, also can comprise the multilayer encapsulant layer.
The magnetic strength absorptive product that the utility model provides can be provided on the application of metal material by the magnetic mode.In addition, the magnetic strength absorptive product that provides of the utility model also can be by pasting and/or welding manner be provided on application.
According to another aspect of the present utility model, a kind of magnetic strength absorptive product is provided, comprising:
At least one first magnetic material layer and at least one the second magnetic material layer that contain magnetic material, wherein at least one first magnetic material layer and at least one second magnetic material layer contain respectively the magnetic material of identical polar;
At least one sound-absorbing material layer, and
At least one encapsulant layer, encapsulant layer have the acoustics sound absorption function;
Wherein, at least one encapsulant layer is arranged between at least one sound-absorbing material layer and at least one the first magnetic material layer and/or at least one the second magnetic material layer.
Preferably, apply at least one sound-absorbing material layer and/or be pasted with the first and second magnetic material layers in the magnetic material of magnetic material identical polar.
Also preferably, apply at least one encapsulant layer and/or be pasted with the first and second magnetic material layers in the magnetic material of magnetic material identical polar.
Particularly, magnetic material can be Powdered or laminar magnetic material.At least one sound-absorbing material layer is the fine sheet bed of material.
Alternatively, at least one sound-absorbing material layer is the sound-absorbing material layer with noise adsorption function.Particularly, at least one sound-absorbing material layer can be by nonwoven, and paper-like materials is weaved cotton cloth, film or semipermeable membrane, and in porous plate material one or multiple manufacturing form.
Also alternatively, at least one sound-absorbing material layer is the insulation material layer with noise isolation features.Particularly, at least one sound-absorbing material layer is by film, sheet metal, and in nonwoven and sheet material one or multiple manufacturing form.
Preferably, encapsulant layer can be by the felts material, and in fiber-like material and foaming kind material one or multiple manufacturing form.For example, encapsulant layer can comprise the multilayer encapsulant layer.
The utility model has been obtained following technique effect at least:
At first, the magnetic strength absorptive product utility model that the utility model provides compare with existing absorptive product have can be more incompressible characteristic, thereby strengthened the cavity filling of packing material, more be conducive to absorption and the isolation of noise.Secondly, compare with existing absorptive product, the magnetic strength absorptive product that the utility model provides have after compressed can more fast quick-recovery characteristic, thereby increase rebound performance.Therefore, thus the utility model has solved existing absorptive product to be applied in the easy attenuation of thickness in the situation with load pressure and to reduce the technical problem in sound-absorbing space.Moreover in the magnetic strength absorptive product that the utility model provides, the preferred packed layer with loose structure that adopts is realized better sound-absorbing/soundproof effect thereby compare with existing absorptive product.In addition, the magnetic strength absorptive product that the utility model provides can also be installed on application easily, for example, when application is metal material, can directly attach in the metal application.
Be, utility model design and the theory of the magnetic strength absorptive product that the utility model provides also can apply in other technical field that needs identical or similar techniques effect with being worth mentioning, and for example building field, be not applied in vehicular field and only be not subject to.
Other utility model purpose that the utility model can be realized and other technique effect that can obtain will be in conjunction with the description of specific embodiment and the signal of accompanying drawing are set forth in the following specific embodiment.
Description of drawings
For above-mentioned and other purpose of the present utility model, feature and advantage can more be become apparent, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation according to a kind of magnetic strength absorptive product of a preferred embodiment of the present utility model; With
Fig. 2 is the magnetic strength absorptive product that provides of the utility model and the sound absorption qualities comparison diagram of conventional absorptive product of the prior art.
The specific embodiment
The below describes specific embodiment of the utility model in detail, and the example of described specific embodiment is shown in the drawings, and wherein identical label represents same or analogous element from start to finish.The specific embodiment of describing below with reference to accompanying drawing is exemplary, is intended to explain the utility model, and can not be interpreted as a kind of restriction of the present utility model.
The utility model provides a kind of magnetic strength absorptive product.This magnetic strength absorptive product comprises at least one first magnetic material layer and at least one the second magnetic material layer that contains magnetic material, and wherein at least one first magnetic material layer and at least one second magnetic material layer contain respectively the magnetic material of identical polar; At least one sound-absorbing material layer, and at least one encapsulant layer, encapsulant layer has the acoustics sound absorption function; Wherein, at least one encapsulant layer is arranged between at least one sound-absorbing material layer and at least one the first magnetic material layer and/or at least one the second magnetic material layer.
Preferably, apply at least one sound-absorbing material layer and/or be pasted with the first and second magnetic material layers in the magnetic material of magnetic material identical polar.Like this, a kind of magnetic strength absorptive product that the utility model provides can have sandwich construction, wherein is respectively arranged with the magnetic material with identical polar in two-layer at least in sandwich construction.
Further, can apply and/or be pasted with at least one encapsulant layer with the first and second magnetic material layers in the magnetic material of magnetic material identical polar.Particularly, magnetic material can be Powdered or laminar magnetic material.At least one sound-absorbing material layer can be the sheeting layer.
Alternatively, at least one sound-absorbing material layer is the sound-absorbing material layer with noise adsorption function.Particularly, at least one sound-absorbing material layer can be by nonwoven, and paper-like materials is weaved cotton cloth, film or semipermeable membrane, and in porous plate material one or multiple manufacturing form.Also alternatively, at least one sound-absorbing material layer is the insulation material layer with noise isolation features.Particularly, at least one sound-absorbing material layer is by film, sheet metal, and in nonwoven and sheet material one or multiple manufacturing form.Preferably, encapsulant layer can be by the felts material, and in fiber-like material and foaming kind material one or multiple manufacturing form.For example, encapsulant layer can comprise the multilayer encapsulant layer.
Referring to accompanying drawing 1, the utility model provides a kind of simple preferred embodiment of magnetic strength absorptive product.A kind of magnetic strength absorptive product 100, comprise the first material layer 110, the second material layer 130, and be arranged between the first material layer 110 and the second material layer 130 and have the encapsulant layer 120 of acoustics sound absorption function, wherein contain respectively the magnetic material of identical polar in the first material layer 110 and the second material layer 130.
According to the utility model, magnetic material can be Powdered or laminar magnetic material.According to the utility model, based on actual demand, magnetic material is can be respectively coated and/or be attached on the first material layer 110 and the second material layer 130.
Preferably, the first material layer 110 and/or the second material layer 130 can be the sheeting layer.According to the utility model, the first material layer 110 has the flow resistance function for having the sound-absorbing material layer of noise adsorption function, can carry out adsorption treatment to noise.Particularly, the first material layer 110 can be by nonwoven, and paper-like materials is weaved cotton cloth, film or semipermeable membrane, and in porous plate material one or multiple manufacturing form.According to the utility model, the second material layer 130 has the sound insulation function for having the insulation material layer of noise isolation features, can carry out isolation processing to noise.Particularly, the second material layer 130 can be by film, sheet metal, and in nonwoven and sheet material one or multiple manufacturing form.Self-characteristic according to the first and second material layers 130, when using this product, so that the first material layer 110 make towards sound source the second material layer 130 dorsad the mode of sound source magnetic strength absorptive product 100 of the present utility model is mounted on application, thereby realize comparatively desirable sound-absorbing/soundproof effect.
According to the utility model, encapsulant layer 120 is arranged between the first material layer 110 and the second material layer 130, and plays main sound absorption.Particularly, encapsulant layer 120 can be by the felts material, and in fiber-like material and foaming kind material one or multiple manufacturing form.Preferably, encapsulant layer 120 is selected and is melted and sprayed other PP superfine fibre of level and the terylene coarse fibre blend that mutually is wound around, and realizes high porosity and bulkiness, thereby obtains desirable sound-absorbing effect.Selectively, encapsulant layer 120 can comprise one deck or multilayer encapsulant layer 120.Therefore, due to the preferred packed layer with loose structure that adopts of magnetic strength absorptive product 100 that the utility model provides, realize better sound-absorbing/soundproof effect so compare with existing absorptive product.
Particularly, when using this product, can the magnetic strength absorptive product that the utility model provides be installed on application by stickup and/or welding manner.And, in the situation that application has the metal surface, can also the magnetic strength absorptive product be mounted on this application with metal surface by the magnetic mode.Therefore, the magnetic strength absorptive product that provides of the utility model can also be installed on application easily.
The difference of magnetic strength absorptive product 100 that the utility model provides and conventional absorptive product of the prior art is described by test.Particularly, in test, conventional absorptive product of the prior art is formed by the mixture manufacturing of polypropylene fibre and polyster fibre, and its surface density is 400gsm, and its original thickness is 21mm; And the magnetic strength absorptive product 100 that the utility model provides comprises the first material layer 110 of being made by the low surface density 20gsm nonwoven cloth material that is coated with magnetic, the second material layer 120 of being made by the nonwoven cloth material of the high areal density 80gsm that is coated with magnetic, and be the polypropylene of 300g and the intermediate filling layer 120 that the polyster fibre mixture is made by weight, similarly, the original thickness of the magnetic strength absorptive product 100 that provides of the utility model also is 21mm.The results showed, magnetic strength absorptive product 100 and conventional absorptive product of the prior art that the utility model provides, when both have identical weight, under certain load pressure (for example 0.002psi), the thickness of the magnetic strength absorptive product that the utility model provides after compressed still is 21mm, and the thickness of conventional absorptive product of the prior art after compressed is only 14mm.By relatively finding, under certain load pressure, the magnetic strength absorptive product 100 that the utility model provides for existing absorptive product, has compressive property preferably by the repulsive interaction of the magnetic of the identical polar between two superficial layers.Further, after eliminating certain loads pressure, the magnetic strength absorptive product that the utility model provides only needed 30 seconds can return to compressed front original thickness, and conventional absorptive product of the prior art needed about 4 hours can return to compressed front original thickness.Therefore, compare with existing absorptive product, the magnetic strength absorptive product that the utility model provides have after compressed can more fast quick-recovery characteristic, thereby increase rebound performance.As seen, the magnetic strength absorptive product utility model that the utility model provides compare with existing absorptive product have can be more incompressible characteristic, thereby strengthened the cavity filling of packing material, more be conducive to absorption and the isolation of noise.Simultaneously, compare with existing absorptive product, the magnetic strength absorptive product that the utility model provides have after compressed can more fast quick-recovery characteristic, thereby increase rebound performance.Therefore, thus the utility model has solved existing absorptive product to be applied in the easy attenuation of thickness in the situation with load pressure and to reduce the technical problem in sound-absorbing space.
In addition, Fig. 2 shows the comparison of the sound absorption qualities of magnetic strength absorptive product 100 that the utility model provides and conventional absorptive product of the prior art, wherein, curve X represents conventional absorptive product of the prior art to the sound absorption qualities of the noise of different frequency scope, and curve Y represents the sound absorption qualities of the noise of 100 pairs of different frequency scopes of magnetic strength absorptive product that the utility model provides.As can be seen from Fig. 2, for the noise in most frequency ranges, the sound absorption qualities of the magnetic strength absorptive product 100 that the utility model provides is better than the sound absorption qualities of conventional absorptive product of the prior art; Especially, 100 pairs of frequencies of magnetic strength absorptive product of providing of the utility model sound absorption qualities that is the noise of 1000Hz is better than approximately 10% of conventional absorptive product of the prior art.As seen, the magnetic strength absorptive product that the utility model provides has better sound absorption qualities to the noise in most frequency ranges.
Above-mentioned specific embodiment of the utility model only exemplary explanation principle of the present utility model and effect thereof, but not be used for restriction the utility model, know and it will be understood by those skilled in the art that, in the situation that do not depart from spirit and scope of the present utility model, any changes and improvements that the utility model is done are all in scope of the present utility model.Rights protection scope of the present utility model, that should define as the application's claim is as the criterion.
Claims (25)
1. a magnetic strength absorptive product (100) comprising:
The first material layer (110);
The second material layer (130); And
Be arranged on the encapsulant layer (120) between the first material layer and the second material layer, described encapsulant layer has the acoustics sound absorption function;
Wherein, the magnetic material that contains respectively identical polar in described the first material layer and described the second material layer.
2. magnetic strength absorptive product as claimed in claim 1, wherein,
Described magnetic material is coated and/or be attached on described the first material layer and described the second material layer respectively.
3. magnetic strength absorptive product as claimed in claim 1, wherein,
Described magnetic material is Powdered or laminar magnetic material.
4. magnetic strength absorptive product as claimed in claim 1, wherein,
Described the first material layer is the sound-absorbing material layer with noise adsorption function.
5. magnetic strength absorptive product as claimed in claim 4, wherein,
Described the first material layer is by nonwoven, and paper-like materials is weaved cotton cloth, film or semipermeable membrane, and in porous plate material one or multiple manufacturing form.
6. magnetic strength absorptive product as claimed in claim 1, wherein,
Described the second material layer is the insulation material layer with noise isolation features.
7. magnetic strength absorptive product as claimed in claim 6, wherein,
Described the second material layer is by film, sheet metal, and in nonwoven and sheet material one or multiple manufacturing form.
8. magnetic strength absorptive product as claimed in claim 1, wherein,
Described the first material layer and/or described the second material layer are the fine sheet bed of material.
9. magnetic strength absorptive product as claimed in claim 1, wherein,
Described encapsulant layer is by the felts material, and in fiber-like material and foaming kind material one or multiple manufacturing form.
10. magnetic strength absorptive product as claimed in claim 1, wherein,
Described encapsulant layer comprises the multilayer encapsulant layer.
11. magnetic strength absorptive product as claimed in claim 1, wherein,
Described magnetic strength absorptive product is provided on the application of metal material by the magnetic mode.
12. magnetic strength absorptive product as claimed in claim 1, wherein,
Described magnetic strength absorptive product is provided on application by stickup and/or welding manner.
13. a magnetic strength absorptive product is characterized in that comprising:
At least one first magnetic material layer and at least one the second magnetic material layer that contain magnetic material, wherein said at least one first magnetic material layer and described at least one second magnetic material layer contain respectively the magnetic material of identical polar;
At least one sound-absorbing material layer, and
At least one encapsulant layer, described encapsulant layer has the acoustics sound absorption function;
Wherein, described at least one encapsulant layer is arranged between described at least one sound-absorbing material layer and described at least one first magnetic material layer and/or described at least one second magnetic material layer.
14. magnetic strength absorptive product as claimed in claim 13, wherein,
Apply on described at least one sound-absorbing material layer and/or be pasted with described the first and second magnetic material layers in the magnetic material of magnetic material identical polar.
15. magnetic strength absorptive product as claimed in claim 13, wherein,
Apply on described at least one encapsulant layer and/or be pasted with described the first and second magnetic material layers in the magnetic material of magnetic material identical polar.
16. as arbitrary described magnetic strength absorptive product in claim 13-15, wherein,
Described magnetic material is Powdered or laminar magnetic material.
17. magnetic strength absorptive product as claimed in claim 13, wherein,
Described at least one sound-absorbing material layer is the sound-absorbing material layer with noise adsorption function.
18. magnetic strength absorptive product as claimed in claim 17, wherein,
Described at least one sound-absorbing material layer is by nonwoven, and paper-like materials is weaved cotton cloth, film or semipermeable membrane, and in porous plate material one or multiple manufacturing form.
19. magnetic strength absorptive product as claimed in claim 13, wherein,
Described at least one sound-absorbing material layer is the insulation material layer with noise isolation features.
20. magnetic strength absorptive product as claimed in claim 19, wherein,
Described at least one sound-absorbing material layer is by film, sheet metal, and in nonwoven and sheet material one or multiple manufacturing form.
21. magnetic strength absorptive product as claimed in claim 13, wherein,
Described at least one sound-absorbing material layer is the fine sheet bed of material.
22. magnetic strength absorptive product as claimed in claim 13, wherein,
Described encapsulant layer is by the felts material, and in fiber-like material and foaming kind material one or multiple manufacturing form.
23. magnetic strength absorptive product as claimed in claim 13, wherein,
Described encapsulant layer comprises the multilayer encapsulant layer.
24. magnetic strength absorptive product as claimed in claim 13, wherein,
Described magnetic strength absorptive product is provided on the application of metal material by the magnetic mode.
25. magnetic strength absorptive product as claimed in claim 13, wherein,
Described magnetic strength absorptive product is provided on application by stickup and/or welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320181219 CN203267395U (en) | 2013-04-11 | 2013-04-11 | Magnetic-induction sound absorption product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320181219 CN203267395U (en) | 2013-04-11 | 2013-04-11 | Magnetic-induction sound absorption product |
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| CN203267395U true CN203267395U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320181219 Expired - Lifetime CN203267395U (en) | 2013-04-11 | 2013-04-11 | Magnetic-induction sound absorption product |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103352A (en) * | 2021-12-03 | 2022-03-01 | 深圳市航天新材科技有限公司 | Flexible sound insulation functional composite material and preparation method thereof |
| CN114789589A (en) * | 2022-02-19 | 2022-07-26 | 中国船舶重工集团公司第七一五研究所 | Magnetic underwater sound absorption material and preparation method and application thereof |
-
2013
- 2013-04-11 CN CN 201320181219 patent/CN203267395U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103352A (en) * | 2021-12-03 | 2022-03-01 | 深圳市航天新材科技有限公司 | Flexible sound insulation functional composite material and preparation method thereof |
| CN114789589A (en) * | 2022-02-19 | 2022-07-26 | 中国船舶重工集团公司第七一五研究所 | Magnetic underwater sound absorption material and preparation method and application thereof |
| CN114789589B (en) * | 2022-02-19 | 2023-08-25 | 中国船舶重工集团公司第七一五研究所 | Magnetic underwater sound absorption material and preparation method and application thereof |
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Granted publication date: 20131106 |
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