CN215663426U - Low-noise lightweight high-speed train window assembly - Google Patents
Low-noise lightweight high-speed train window assembly Download PDFInfo
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- CN215663426U CN215663426U CN202121940834.2U CN202121940834U CN215663426U CN 215663426 U CN215663426 U CN 215663426U CN 202121940834 U CN202121940834 U CN 202121940834U CN 215663426 U CN215663426 U CN 215663426U
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Abstract
A low-noise light-weight high-speed train window assembly comprises outer glass, a hollow layer and inner glass; the outer glass consists of 5-6mm of toughened glass, 1.52mm of SGP film and 4mm of toughened glass from outside to inside in sequence; the hollow layer is inert gas with the thickness of 14.5-18.5 mm; the inner glass is formed by sandwiching 1.52mm SGP film between two layers of 2-4mm high-alumina glass; the visible light transmittance of the whole vehicle window is 22%, the visible light outdoor reflectance is 6%, the visible light indoor reflectance is 12%, the total solar energy transmittance is 28%, the sound insulation is 43-45db, and the heat insulation is 1.4W/(m)2K) The deformation of the fatigue load is 2.7-4.7 mm, and the weight of the car window is 47.2-50.15 kg. The utility model meets the pneumatic load strength requirement of +/-9000 pa, and the same as the requirementThe time-height sound insulation value is 45dB (A), the weight is reduced by about 600kg, and the total index requirement of a project with the speed of 400 kilometers per hour is met.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle manufacturing, and particularly relates to a low-noise light-weight high-speed train window structure.
Background
The existing high-speed motor train units with the speed grades of 350 and 380 per hour, such as the vehicle window system structure adopted by the projects of CRH380B, CR400BF and the like, is composed of an installation frame, an internal window and the like, is installed on the side wall of a vehicle body through sealant, is extremely inconvenient to install and disassemble, needs to be integrally disassembled and replaced, and is waste, time-consuming and labor-consuming. Meanwhile, the interior window is composed of hollow glass composed of two layers of glass, wherein the two layers of glass comprise a multilayer structure, specifically, the interior window is composed of gray glass, a PVB film, white glass, a hollow layer and gray glass, a PVB film and white glass from outside to inside in sequence, the thickness of the whole interior window is 35.52mm, the weight of the interior window is 59kg, and the interior window does not meet the strength requirement that the vehicle window needs to meet the pneumatic load of +/-9000 pa and the requirement that the vehicle window loses weight by more than 10% and the sound insulation performance is improved in high-speed passenger transport projects with the speed of 400 kilometers per hour and above.
In recent years, PC is also used for window materials, and is lighter than glass. But the material cost is greatly increased, the wear resistance is not good as that of glass, and the problems of scratch and the like generated in the subsequent use process need to be considered; the service life is short, delamination and glue failure are easy to generate, and great hidden danger exists for subsequent use. To improvements in maintenance costs and failure and replacement rates. Meanwhile, under the working condition of pneumatic load of loading +/-9000 pa, the maximum deformation of the car window glass under the action of specified load is 9.6mm through simulation analysis and calculation, and the maximum deformation is frequently observed in the UIC 566 international railway union regulations: the standard requirement that the load of a passenger car body and components thereof is less than 10mm, and the sound insulation is only 42db (A), and the indexes can not meet the overall index requirement of key technical projects of high-speed passenger transport equipment with the speed per hour of 400 kilometers and above.
Disclosure of Invention
The utility model aims to provide a side window assembly which meets the pneumatic load strength requirement of +/-9000 pa, has a high sound insulation value of 45dB (A) and high heat insulation performance and has the weight reduction of not less than 10%. The light weight requirement is realized, the modularization is realized in the installation and the disassembly, the time and the labor are saved, and the overall index requirements of key technical projects of high-speed passenger transport equipment with the speed per hour of 400 kilometers and above are met.
In order to achieve the purpose, the utility model provides a low-noise light-weight high-speed train window assembly, which comprises a window and a mounting frame, and is characterized in that: the mounting frame is divided into an inner frame and an outer frame, the inner side of the inner frame is bonded with the vehicle window, the inner frame can be detachably connected with the outer frame, and the outer frame is fixedly connected with the side wall of the vehicle body; the car window is divided into outer glass, a hollow layer and inner glass, wherein the outer glass is composed of 5mm of toughened glass, 1.52mm of SGP film, 2mm of high-alumina glass, 1.52mm of SGP film and 4mm of toughened glass from outside to inside in sequence; the hollow layer is 16mm argon; the inner glass is formed by sandwiching 1.52mmSGP films between two layers of 2mm high-alumina glass.
Furthermore, the inner frame is connected with the outer frame through nuts and countersunk screws.
Furthermore, a sun-shading film is pasted on the high-alumina glass at the inner side of the hollow layer.
According to the utility model, through the design of the vehicle window structure assembly, the requirement of pneumatic load strength of +/-9000 pa is met, and meanwhile, the high sound insulation value is 45dB (A), so that the noise in the vehicle is reduced by 2 decibels compared with the original motor train unit, and the riding comfort of passengers is improved. And the weight of the car window is reduced by about 15-20% compared with that of the original motor train unit, the weight of a train is reduced by about 600kg, the light weight requirement is realized, the assembly and disassembly are convenient and quick, the energy-saving performance of the train is improved, and the total index requirements of key technical projects of high-speed passenger transport equipment with the speed of 400 kilometers per hour and above are met.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention;
fig. 2 is an enlarged cross-sectional view of the window.
Detailed Description
Referring to fig. 1 and 2, the structure comprises a vehicle window 1 and a mounting frame, wherein the mounting frame is divided into an inner frame 2 and an outer frame 3, the inner side of the inner frame 2 is bonded with the vehicle window 1, the inner frame 2 is connected with the outer frame 3 through a nut 4 and a countersunk screw 5, and the outer frame is fixedly connected with a side wall of a vehicle body; the vehicle window 1 is divided into outer glass, a hollow layer and inner glass, the outer glass of the vehicle window is composed of 5mm toughened glass 101, 1.52mm SGP film 102, 2mm high-alumina glass 103, 1.52mm SGP film 102 and 4mm toughened glass 101 from outside to inside in sequence, the hollow layer is 16mm argon 104, and the inner glass is composed of two layers of 2mm high-alumina glass 103The window is composed of 1.52mm of SGP film 102, the thickness is 35.56mm, a sun-shading film 105 is pasted on the high-alumina glass at the inner side of the hollow layer, the weight of the window is 50.15kg, and the weight is reduced by 15%. The visible light transmittance of the whole vehicle window is 22 percent, the visible light outdoor reflectance is 6 percent, the visible light indoor reflectance is 12 percent, the total solar energy transmittance is 28 percent, the sound insulation is 45db (A), and the heat insulation is 1.4W/(m)2K)。
Under the working condition of pneumatic load loaded with +/-9000 pa, the deformation and stress distribution conditions of the car window glass under the action of specified load are calculated through simulation analysis, wherein the maximum deformation is 2.7m and is less than 10mm, and the rigidity requirement is met.
According to the utility model, through the design of the vehicle window structure assembly, the requirement of pneumatic load strength of +/-9000 pa is met, and meanwhile, the high sound insulation value is 45dB (A), so that the noise in the vehicle is reduced by 2 decibels compared with the original motor train unit, and the riding comfort of passengers is improved. And the weight of the car window is reduced by about 15-20% compared with that of the original motor train unit, the weight of a train is reduced by about 600kg, the light weight requirement is realized, the assembly and disassembly are simple and convenient, the time and the labor are saved, and the energy saving performance of the train is improved. The overall index requirements of key technical projects of high-speed passenger transport equipment with the speed of 400 kilometers per hour and above are met.
Claims (3)
1. The utility model provides a high-speed train window assembly of low noise lightweight, includes window, installing frame, its characterized in that: the mounting frame is divided into an inner frame and an outer frame, the inner side of the inner frame is bonded with the vehicle window, the inner frame is detachably connected with the outer frame, and the outer frame is fixedly connected with the side wall of the vehicle body; the car window is divided into outer glass, a hollow layer and inner glass, wherein the outer glass is composed of 5mm of toughened glass, 1.52mm of SGP film, 2mm of high-alumina glass, 1.52mm of SGP film and 4mm of toughened glass from outside to inside in sequence; the hollow layer is 16mm argon; the inner glass is formed by sandwiching 1.52mmSGP films between two layers of 2mm high-alumina glass.
2. The low-noise light-weight high-speed train window assembly according to claim 1, wherein: the inner frame is connected with the outer frame through nuts and countersunk screws.
3. The low-noise light-weight high-speed train window assembly according to claim 1, wherein: the inner side of the hollow layer is provided with a sunshade membrane on the high-alumina glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121940834.2U CN215663426U (en) | 2021-08-18 | 2021-08-18 | Low-noise lightweight high-speed train window assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121940834.2U CN215663426U (en) | 2021-08-18 | 2021-08-18 | Low-noise lightweight high-speed train window assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215663426U true CN215663426U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121940834.2U Active CN215663426U (en) | 2021-08-18 | 2021-08-18 | Low-noise lightweight high-speed train window assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215663426U (en) |
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2021
- 2021-08-18 CN CN202121940834.2U patent/CN215663426U/en active Active
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