CN202952987U - Sound insulation and absorption material for high speed train - Google Patents
Sound insulation and absorption material for high speed train Download PDFInfo
- Publication number
- CN202952987U CN202952987U CN 201220674830 CN201220674830U CN202952987U CN 202952987 U CN202952987 U CN 202952987U CN 201220674830 CN201220674830 CN 201220674830 CN 201220674830 U CN201220674830 U CN 201220674830U CN 202952987 U CN202952987 U CN 202952987U
- Authority
- CN
- China
- Prior art keywords
- layer
- sound
- high speed
- speed train
- sound insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model relates to a sound insulation and absorption material for a high speed train. The sound insulation and absorption material is formed by compounding a wear-resistant layer, a fiber layer, a damping layer and a foaming layer, wherein the fiber layer is used as a base cloth layer of the wear-resistant layer; the fiber layer and the damping layer are adhered between the wear-resistant layer and the foaming layer; and the fiber layer is adhered between the wear-resistant layer and the damping layer. The sound insulation and absorption material has the sound insulation property, the sound absorption property, the thermal insulation property and the like; the properties of the sound insulation and absorption material are supplemented from each other to generate a synergistic effect; and the sound insulation and absorption material can be applied to inner surfaces of a body of the high speed train, such as side walls and floors for sound insulation, sound absorption, heat insulation and the like. The sound insulation and absorption material also has the characteristics of easiness in processing and molding, tramping resistance and less environmental pollution; and the assembly efficiency of sound insulation and absorption material is improved as multiple materials are compounded together.
Description
Technical field
The utility model relates to a kind of sound-proof sound-absorbing material, particularly a kind of sound-proof sound-absorbing material used on high speed train.
Background technology
Along with the development of high-speed rail technology, the vibration noise problem of high speed train day by day arrives people and pays close attention to and pay attention to.For vibration and the noise control problem of high speed train, successively carried out a large amount of research both at home and abroad.Mainly around vibration source and sound source control, vibration and acoustic propagation control and three broad aspect such as material and structure control.Theoretically, controlling vibration source and sound source is the most basic method, but, at present with regard to the actual conditions of China, carries out this work and also have certain difficulty.The utilization of controlling vibration and noise propagation and novel damping acoustic damping materials has just become a kind of very important means with the acoustics structure design, so very active for the research of vibration and noise reducing material at home and abroad.By use sound deadener and sound-absorbing material to the purpose that plays noise reduction in car to improve the traveling comfort in high-speed train.
The utility model content
The utility model main purpose is to overcome the deficiencies in the prior art, and a kind of high speed train sound-proof sound-absorbing material is provided, and can obviously improve the sound insulation of high-speed train body, sound absorption and heat insulation effect.
For achieving the above object, the technical solution of the utility model is:
A kind of high speed train sound-proof sound-absorbing material, by wearing layer, fibrage, damping layer and foaming layer, be composited, described fibrage is as described wearing layer base cloth layer, described fibrage and damping layer are bonded in the centre of described wearing layer and foaming layer, and described fibrage is bonded in the centre of described wearing layer and damping layer.
Further, described wearing layer has convex-concave surface.
Further, the convex-concave surface of described wearing layer is the wrinkle shape.
Further, the material of described wearing layer, damping layer and foaming layer is PVC.
Further, described fibrage is the thermoplastic polyester layer.
Further, described fibrage is polybutylene terephthalate.
Further, the thickness of described wearing layer is at 1-1.5 mm.
Further, described fibrolaminar thickness is about 0.1-0.3 mm.
Further, the thickness of described damping layer is about 3-5mm.
Further, the thickness 4-6 mm of described foaming layer.
Content to sum up, a kind of high speed train sound-proof sound-absorbing material described in the utility model, sound insulation material and sound absorption material are composited, have the performances such as sound insulation property, sound absorbing capabilities, heat-insulating property concurrently, the sound-proof sound-absorbing composite material makes up for each other's deficiencies and learn from each other on performance, produces cooperative effect, can be applicable to the car body inside face of high speed train, play sound insulation, sound absorption and insulation effect, as side wall, floor sound insulation, heat insulation use etc.This material also has easily and shapes, anti-trampling, and the characteristics that environmental pollution is little, and also different materials is combined with each other, and improved the efficiency of assembling of material.
The accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the change curve of the coefficient of sound-absorption of the utility model composite wood with frequency;
Fig. 3 is the change curve of the noise insulation factor of the utility model composite wood with frequency;
Fig. 4 is the utility model composite wood damping capacity variation with temperature curve.
As shown in Figures 1 to 4, wearing layer 1, fibrage 2, damping layer 3, foaming layer 4.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail:
As shown in Figure 1, high speed train described in the utility model sound-proof sound-absorbing material, by wearing layer 1, fibrage 2, damping layer 3 and foaming layer 4, be composited, fibrage 2 is as the base cloth layer of wearing layer 1, fibrage 2 and damping layer 3 are bonded in the centre of wearing layer 1 and foaming layer 4, and fibrage 2 is bonded in the centre of wearing layer 1 and damping layer 3.
The material of wearing layer 1, damping layer 3 and foaming layer 4 is the PVC(polyvinylchloride), reach good performance in order to make material, dosed again compound in main material PVC, be the composite of PVC and compound, fibrage 2 is the thermoplastic polyester layer.In the material of wearing layer 1, damping layer 3 and foaming layer 4, the weight of PVC accounts for the 80%-95% of total weight, preferably 85%-90%.
Wherein, the main component of the wearing layer 1 of ground floor is PVC, and preferably uses the PVC of the ultra low polymerization degree that the polymeric level is 300, the thickness of wearing layer 1 between 1-1.5 mm, density 0.5-1.2g/cm3, Shao Boer abrasion (roller abrasion) load is 5N.The composite that the compound of wearing layer 1 is filler, fire retardant, stabilizer, ultraviolet absorbent and lubricant, composition and the content of each component are as follows:
Filler: filler not only affects the processing characteristics of this formula system and the intensity of material, also the acoustic efficiency of material had to material impact, when selecting filler, according to the environment of the use of material with need noise frequency scope to be processed to determine, the kind of filler and consumption.The present embodiment is preferably used nano-calcium carbonate, and content accounts for 35-160 part, preferably 50 parts-150 parts.
Fire retardant: the composite products on high speed train should have good flame retardance, because base material is polyvinylchloride, according to the fire retardant of polyvinylchloride select to require and material to the requirement of flame resistance, should consider flame retardance, consider again the environmental-protecting performance of material, the present embodiment is preferably used antimony oxide, and content accounts for 3-20 part, preferably 5 parts-15 parts.
Stabilizer: consider that high speed train uses the environmental demands of material higher, select lead-free Ca Zn composite type thermal stabilizing agent, the present embodiment is preferably used the antioxidant bisphenol-A, and content accounts for 0.3-2.8 part, preferably 0.5 part-2.5 parts.
Ultraviolet absorbent: the present embodiment is preferably used triazine-5, and content accounts for 0.1-1 part, preferably 0.1-0.8 part.
Lubricant: the present embodiment is preferably used the composite of stearic acid and paraffin, and total umber is 1-3 part.
Wearing layer 1 has convex-concave surface, adopts the convex-concave surface of wrinkle shape, and the Main Function of wearing layer 1 is protective effect, the reinforcing material resistance to abrasion; Simultaneously, certain sound insulation effect is arranged simultaneously, its concave-convex surface mechanism has certain advantage aspect acoustic efficiency, with planar materials, compares, and it can form the refraction of different angles to sound, thereby increases the acoustic attenuation in the noise transmission process, weakens noise transmission.
The composition of the fibrage 2 of the second layer is polybutylene terephthalate, and thickness is about 0.1-0.3 mm, and the Main Function of this layer should be the base cloth of protective cover, is mainly the effect that strengthens skin-material, facilitates the moulding on top layer simultaneously.
The damping layer 3 of the second layer is high-density layer, and the main component of damping layer 3 is PVC, the PVC that preferred degree of polymerization is 1200, and the thickness of damping layer 3 is about 3-5mm.The composite that compound in damping layer 3 is filler, fire retardant, plasticizer, stabilizer, ultraviolet absorbent and lubricant, composition and the content of each component are as follows:
Filler is selected the composite of nano-calcium carbonate and barium sulfate, wherein, and 20 parts-60 parts of nano-calcium carbonates, barium sulfate 80-170 part;
Fire retardant is selected antimony oxide, 3-15 part, preferably 5 parts-10 parts;
Plasticizer is selected phthalate, 15-45 part, preferably 15-35 part;
Stabilizer is selected the antioxidant bisphenol-A, and 1-4 part, preferably 1.5 parts-3.5 parts;
Ultraviolet absorbent is selected triazine-5,0.1-1 part, preferably 0.1-0.8 part;
Lubricant is selected the composite of stearic acid and paraffin, and total umber is 1 part-3 parts.
The Main Function of damping layer 3 is to provide damping shock absorption and sound insulation effect.
The main component of the foaming layer 4 of the 4th layer is PVC, the PVC that preferred degree of polymerization is 600, the thickness 4-6 mm of foaming layer 4, the composite that compound in foaming layer 4 is filler, fire retardant, plasticizer, stabilizer, foaming agent, ultraviolet absorbent and lubricant, composition and the content of each component are as follows:
Filler is selected nano-calcium carbonate, 25-55 part, preferably 30 parts-50 parts;
Fire retardant is selected antimony oxide, 3-15 part, preferably 5 parts-10 parts;
Plasticizer is selected phthalate, 3-20 part, preferably 5-15 part;
Stabilizer is selected the antioxidant bisphenol-A, and 1-4 part, preferably 1.5 parts-3.5 parts;
Foaming agent is selected blowing agent AC, 3-15 part, preferably 5-12 part;
Ultraviolet absorbent is selected triazine-5,0.1-1 part, preferably 0.1-0.8 part;
Lubricant is selected the composite of stearic acid and paraffin, and total umber is 1 part-2 parts.
Foaming layer 4 adopts hole-closing structure, mainly plays the heat insulation effect of sound absorption.
This composite material, have easily and shape, anti-trampling, and the characteristics that environmental pollution is little, be suitable for side wall, floor sound insulation, heat insulation use.
Each component content with above-mentioned preferred value is made sample, to its absorbed sound, insulate against sound sound, damping, insulation, mill
Consumption and the index such as flame resistance are tested under condition of different temperatures (normal temperature, normal temperature environment, low temperature environment, alternation are damp and hot), its premium properties aspect sound absorption, sound insulation and damping and amortization can be from Fig. 2, Fig. 3 and Fig. 4, this composite material sound absorbing capabilities in 3000Hz～6400Hz frequency domain scope is best, noise insulation factor is at 7dB～21dB, aspect damping capacity, the dissipation factor of composite material peak value occurs in 20 ℃～40 ℃ scopes, reaches 0.37, and the damping capacity of composite material is higher.Aspect heat preservation and insulation, the coefficient of thermal conductivity of this composite material is generally at 0.04Wm
-1K
-1Left and right, lower than 0.05 W/ (mK), belong to thermal insulation material substantially.In addition, the wear hardness aspect of this material, the abrasion mass average value is all between 190-195mg.Aspect flame resistance, the oxygen index (OI) of this composite material is 30%, and the oxygen index (OI) (data are between 21%-36%) of the High molecular material sound absorption warm material used on motor train unit at present, between the numerical value of the sound absorption warm material that data are used on current motor train unit.Through experimental verification, this composite material has sound insulation, sound absorption, insulation, the performance such as fire-retardant, wear-resisting, on performance, makes up for each other's deficiencies and learn from each other, and produces cooperative effect, can be applicable to the car body inside face of high speed train, plays sound insulation, sound absorption and insulation effect.
The manufacture method of above-mentioned sound-proof sound-absorbing material, comprise the steps:
1, each formable layer, be processed into respectively sheet material by wearing layer, fibrage, damping layer and foaming layer:
By wearing layer, fibrage, damping layer, by plasticizing, disperse to stir, to extrude, calendering and wrapup procedure are processed into coiled material.
By foaming layer, by plasticizing, disperse to stir, extrude, calendering, foamable and wrapup procedure are processed into the foaming volume.
2, by four layers of composite molding:
At first, compound by the three-layer tablet shape material of wearing layer, fibrage, damping layer, at layers of material surface coating one deck adhesive, then by the mode composite molding of heat pressure adhesive.Concrete, in the extrusion molding of ground floor wearing layer, second layer fibrage is passed through together with the ground floor wearing layer to hot-pressing roller, hot-forming getting final product, then carry out brush coating heating heat pressure adhesive with the 3rd layer of damping layer, make three layers of composite bed,
Then, above-mentioned three layers of composite bed and the 4th layer of foaming layer are carried out to brush coating, heating hot pressing is mediated, and finally makes four layers of composite material
As mentioned above, given scheme content, can derive similar technical scheme by reference to the accompanying drawings.In every case be the content that does not break away from technical solutions of the utility model, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a high speed train sound-proof sound-absorbing material, it is characterized in that: by wearing layer, fibrage, damping layer and foaming layer, be composited, described fibrage is as described wearing layer base cloth layer, described fibrage and damping layer are bonded in the centre of described wearing layer and foaming layer, and described fibrage is bonded in the centre of described wearing layer and damping layer.
2. high speed train according to claim 1 sound-proof sound-absorbing material, it is characterized in that: described wearing layer has convex-concave surface.
3. high speed train according to claim 2 sound-proof sound-absorbing material, it is characterized in that: the convex-concave surface of described wearing layer is the wrinkle shape.
4. high speed train according to claim 1 sound-proof sound-absorbing material, it is characterized in that: the material of described wearing layer, damping layer and foaming layer is PVC.
5. high speed train according to claim 1 sound-proof sound-absorbing material, it is characterized in that: described fibrage is the thermoplastic polyester layer.
6. high speed train according to claim 5 sound-proof sound-absorbing material, it is characterized in that: described fibrage is polybutylene terephthalate.
7. high speed train according to claim 1 sound-proof sound-absorbing material, it is characterized in that: the thickness of described wearing layer is at 1-1.5 mm.
8. high speed train according to claim 1 sound-proof sound-absorbing material, it is characterized in that: described fibrolaminar thickness is about 0.1-0.3 mm.
9. high speed train according to claim 1 sound-proof sound-absorbing material, it is characterized in that: the thickness of described damping layer is about 3-5mm.
10. high speed train according to claim 1 sound-proof sound-absorbing material, is characterized in that: the thickness 4-6 mm of described foaming layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220674830 CN202952987U (en) | 2012-12-08 | 2012-12-08 | Sound insulation and absorption material for high speed train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220674830 CN202952987U (en) | 2012-12-08 | 2012-12-08 | Sound insulation and absorption material for high speed train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202952987U true CN202952987U (en) | 2013-05-29 |
Family
ID=48458572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220674830 Expired - Fee Related CN202952987U (en) | 2012-12-08 | 2012-12-08 | Sound insulation and absorption material for high speed train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202952987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863342A (en) * | 2012-12-08 | 2014-06-18 | 南车青岛四方机车车辆股份有限公司 | Sound insulation and absorption materials for high speed train and manufacturing method thereof |
| CN105023566A (en) * | 2014-04-28 | 2015-11-04 | 四川正升声学科技有限公司 | Composite sound absorbing and insulating board and manufacture method for the same |
-
2012
- 2012-12-08 CN CN 201220674830 patent/CN202952987U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863342A (en) * | 2012-12-08 | 2014-06-18 | 南车青岛四方机车车辆股份有限公司 | Sound insulation and absorption materials for high speed train and manufacturing method thereof |
| CN103863342B (en) * | 2012-12-08 | 2017-05-03 | 中车青岛四方机车车辆股份有限公司 | Sound insulation and absorption materials for high speed train and manufacturing method thereof |
| CN105023566A (en) * | 2014-04-28 | 2015-11-04 | 四川正升声学科技有限公司 | Composite sound absorbing and insulating board and manufacture method for the same |
| CN105023566B (en) * | 2014-04-28 | 2019-08-30 | 正升环境科技股份有限公司 | Compound Felt and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9969151B2 (en) | High sound absorption coefficient expanded PTFE composite fiber cotton | |
| CN201970522U (en) | Foam heat insulation material | |
| CN202952987U (en) | Sound insulation and absorption material for high speed train | |
| CN103863342A (en) | Sound insulation and absorption materials for high speed train and manufacturing method thereof | |
| CN202878818U (en) | Front wall soundproof pad of automobile | |
| CN203344862U (en) | Sound attenuation composite cushion | |
| CN205930567U (en) | Automobile roof structure | |
| CN204043166U (en) | Air-conditioning sound pad | |
| CN203701887U (en) | Combined type light sound insulation door structure | |
| KR20170090150A (en) | noise isolation panel system using waste rubbers | |
| CN213635535U (en) | Polyurethane foam insulation structure with high safety | |
| CN208978768U (en) | A kind of roof of the vehicle inside gadget | |
| CN106240086A (en) | A kind of heat-insulating and sound-absorbing New Composite Wall-slab | |
| CN203211222U (en) | Engine cover anti-flaming soundproof pad | |
| CN208069041U (en) | A kind of composite board applying to passenger car floor and wallboard | |
| CN203994891U (en) | A kind of lamination acoustical cotton | |
| CN208154785U (en) | A kind of air-conditioning compressor sound-proof material | |
| CN209022557U (en) | A kind of Low-cost, easy-to-clean taxi carpet backing and installation system | |
| CN221251003U (en) | Automobile front wall outer heat insulation pad with sound insulation structure | |
| CN209580727U (en) | Composite heat-insulating layer used for vehicle | |
| CN207790703U (en) | A kind of novel floor structure | |
| CN207260478U (en) | A kind of environment protection type wallpaper with heat insulating function | |
| CN110774700A (en) | New energy automobile door water guide plate noise reduction and heat insulation material and manufacturing process thereof | |
| KR20100062050A (en) | Sound-insulating material & slab construction method using the same | |
| CN106218541B (en) | A kind of automobile acoustical absorption pad with hollow structure |
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: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG Co.,Ltd. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR QINGDAO SIFANG LOCOMOTIVE & ROLLING STOCK Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20211208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |