CN104806124A - Pouring type thermal insulating method applied to high-cold frostless rail train windows - Google Patents
Pouring type thermal insulating method applied to high-cold frostless rail train windows Download PDFInfo
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- CN104806124A CN104806124A CN201510175302.7A CN201510175302A CN104806124A CN 104806124 A CN104806124 A CN 104806124A CN 201510175302 A CN201510175302 A CN 201510175302A CN 104806124 A CN104806124 A CN 104806124A
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Abstract
A pouring type thermal insulating method applied to high-cold frostless rail train windows comprises the following steps of carrying out the pouring type thermal insulating method, optimizing hollow glass structures, rolling bending, forming and cutting out temporary connecting bridges. The heat transfer coefficient of thermal insulating colloid materials is equal to or smaller than 0.08W/(m*K), and the heat transfer coefficient K of train windows is equal to or smaller than 2.6W/(m*K). The pouring type thermal insulating method applied to the high-cold frostless rail train windows has the advantages of saving energy, achieving environment friendliness and being safe and reliable; the comprehensive performance can meet the customer and standard requirements; no frost is formed on train windows for 12 hours in the environment at the temperature of -50 DEG C; and aluminum alloy window frames are attractive in appearance and stable in quality due to automatic rolling bending, forming and polishing techniques.
Description
Technical field
The present invention relates to bullet train vehicle window, especially about a kind of pouring-type heat-insulation method for high and cold frostless track train vehicle window.
Background technology
In recent years, along with the fast development of China's economy and the continuous progress of bullet train technology, passenger has higher requirement to the comfortableness taking train, and the design concept that people-oriented has fully demonstrated at links.China is vast in territory, and the north and south temperature difference is large, and winter, train was when northern China is run, because passenger vehicle internal-external temperature difference can reach 50 ~ 60 ° of C.Usually haze around window on train mouth even icing, after ice-out, water will flow in bottom electric heater and guest room, not only affect the safe handling of electric heater, and cause eyesight obstruction to bring adverse consequences to train operator.At present, be devoted to a kind of " high and cold frostless " vehicle window of research and development both at home and abroad, cardinal principle takes effective provision for thermal insulation to reduce the heat transfer outside car and in car, thus reach frostless object.
Heat-proof quality refers under vehicle window both sides exist the condition of Air Temperature Difference, the ability that vehicle window impedance is conducted heat from high temperature side to low temperature side.The quality of vehicle window heat-insulation performance is weighed with thermal transmittance (K value).Bus window accounts for 8.4% ~ 12.1% of car load area, improves the heat-proof quality of vehicle window, and reduce vehicle window K value and car load K value can be made to have larger improvement, therefore, vehicle window takes provision for thermal insulation very necessary.Bullet train side window framework is heat-insulation aluminum section material, and heat-insulation aluminum section is cut off by aluminium extruded sections with the parting bead of thermal conductivity well below aluminium, forms the section bar of aluminium-heat insulating strip-aluminium composition.The ratio of the coefficient of thermal conductivity of this heat insulating strip and the coefficient of thermal conductivity of aluminium is about 3: 2000, reaches heat insulation object and effect with this.Extremely good heat insulation cold-proof performance just should be had with the vehicle window that heat-insulation aluminum section makes.Therefore, the thermo-insulation vehicle window manufactured with heat-insulation aluminum section, has just become both to remain with primary aluminum section bar vehicle window own outside the plurality of advantages of recognition and acceptance by people, also added heat insulation, cold-proof advantage.Heat-insulation aluminum section is divided into two kinds by its production technology: rubber filling type and penetrating bar type.Rubber filling type heat-insulation aluminum section is aluminium extruded sections aluminium extruded sections being designed to glue-filling slot, adiabatic gum is poured in groove by adhesive supplier, treat its solidifying and setting, then the coupling part milling of the aluminium extruded sections after encapsulating cut off out on special machine, namely heat-insulation aluminum section machines.Penetrating bar type heat-insulation aluminum section adopts special processing method to be connected by heat insulation bar of wearing by two panels aluminium extruded sections, and the heat insulating strip of connection plays the effect cutting off heat bridge.
Bullet train vehicle window is the structure that centre adhesive tape inlays hollow glass.Hollow glass is with two panels or divided glass, evenly separates effectively to support, and perimeter bond seals, and makes the product forming dry gas space between glass.This product has the effect of sound insulation, heat insulation, antifrost and reduction energy consumption, is widely used in the industries such as building, traffic, refrigeration.In recent years, the extensive use of bridge-cut aluminum section bar heat-insulation window and bullet train prevent from train from travelling vehicle window at extremely frigid zones to haze the phenomenon of frosting.
China is vast in territory, and the region of the train crosses of some long-distance operation is many, and the north and south temperature difference is large, and passenger vehicle internal-external temperature difference can reach 70 DEG C in the winter time.Expose the problem that vehicle window is cold-proof, thermal insulation is poor the passenger train of operation in cold area in north winter is large-area: when 1, winter passenger car runs in the north, in car, thereabout usually ties the thicker ice of one deck, a large amount of frosting around inner decoration frame and glass, to freeze, frequent generation curtain, quilt are frozen on window, have a strong impact on the comfortableness that passenger takes; 2, after frost vehicle window condensed, ice-out, slow white water amasss on tea table, causes tea table large area aliquation, bulge; 3, vehicle window delays white water and flows in electric heater along side wall, causes heating wire defective insulation, the problems such as scaling loss.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide a kind of pouring-type heat-insulation method for high and cold frostless track train vehicle window, the performance indications being improved high cold window by pouring-type heat-insulation, more effectively can reduce heat transfer, the energy conservation outside car and in car, reach high and cold frostless without mist.
Technical scheme of the present invention is achieved in the following ways: a kind of pouring-type heat-insulation method for high and cold frostless track train vehicle window, comprises the following steps: 1) pouring-type heat-insulation method; 2) hollow glass structure is optimized; 3) rolling-bending forming; 4) interim connecting bridge is excised; It is characterized in that:
1), pouring-type heat-insulation method: liquid adiabatic gum to be injected in aluminium alloy extrusions pouring basin and to solidify, by the interim connecting bridge in excision aluminium alloy extrusions pouring basin, the medial and lateral shape of window frame being connected and disconnect, play heat insulation effect;
2), optimize hollow glass structure: utilize ANSYS finite element software to carry out analog computation to track at the environment of extremely frigid zones actual motion from the thickness of hollow layer and inside and outside layer glass, obtain air layer and the thickness of glass of heat-proof quality the best;
3), rolling-bending forming: the window frame of high cold window adopts rolling-bending forming automatic technology, ensures that outward appearance streamline is graceful.
4), interim connecting bridge is excised: the interim connecting bridge of window frame and inside and outside window frame together constitute the injecting glue groove needed for injecting glue, need interim connecting bridge to cut away after adiabatic gum solidification, connect with the metal disconnected between the aluminum alloy window frame of medial and lateral, thus avoid the flash heat transfer of metal.Interim connecting bridge Thickness Ratio is thinner and contact with adiabatic gum, in corner, cutting difficulty is larger, precision is difficult to control, in order to ensure good machining accuracy, avoid the damage of adiabatic gum, according to the movement locus of milling cutter in cutting process, carry out the motion control design of milling cutter based on profile modeling, realize Cutting Automation.
The present invention, 1, adiabatic gum material heat transfer coefficient≤0.08W/ (mK), lower than the adiabatic gum material (thermal transmittance is 0.12W/ (mK)) used at present; 2, adopt the design concept of the low adiabatic gum material of conductivity of heat to carry out the alternative existing penetrating bar type product design with heater, realize the Coefficient K≤2.6W/ (mK) of vehicle window, there is energy conservation, environmental protection and safe and reliable advantage; 3, combination property reaches client and standard-required, can to realize under-50 DEG C of environment in vehicle window 12 hours " without frost mist "; 4, adopt automation rolling-bending forming and polishing technology, aluminum alloy window frame good looking appearance, steady quality can be realized; 5, adopt with type injecting glue automatic technology, improve the quality of injecting glue, improve adhesion strength and the mechanical property of adiabatic gum, smooth surface is smooth; 6, for improving the heat-proof quality of hollow glass, the structural thickness size of numerical simulation calculation to hollow glass is adopted to be optimized.
Detailed description of the invention
For a pouring-type heat-insulation method for high and cold frostless track train vehicle window, comprise the following steps:
1, pouring-type heat-insulation method: liquid adiabatic gum to be injected in aluminium alloy extrusions pouring basin and to solidify, by the interim connecting bridge in excision aluminium alloy extrusions pouring basin, the medial and lateral shape of window frame being connected and disconnect, play heat insulation effect;
2, optimize hollow glass structure: utilize ANSYS finite element software to carry out analog computation to track at the environment of extremely frigid zones actual motion from the thickness of hollow layer and inside and outside layer glass, obtain air layer and the thickness of glass of heat-proof quality the best;
3, rolling-bending forming: the window frame of high cold window adopts rolling-bending forming automatic technology, ensures that outward appearance streamline is graceful.
4, interim connecting bridge is excised: the interim connecting bridge of window frame and inside and outside window frame together constitute the injecting glue groove needed for injecting glue, need interim connecting bridge to cut away after adiabatic gum solidification, connect with the metal disconnected between the aluminum alloy window frame of medial and lateral, thus avoid the flash heat transfer of metal.Interim connecting bridge Thickness Ratio is thinner and contact with adiabatic gum, in corner, cutting difficulty is larger, precision is difficult to control, in order to ensure good machining accuracy, avoid the damage of adiabatic gum, according to the movement locus of milling cutter in cutting process, carry out the motion control design of milling cutter based on profile modeling, realize Cutting Automation.
Claims (1)
1. for a pouring-type heat-insulation method for high and cold frostless track train vehicle window, comprise the following steps: 1) pouring-type heat-insulation method; 2) hollow glass structure is optimized; 3) rolling-bending forming; 4) interim connecting bridge is excised; It is characterized in that:
1), pouring-type heat-insulation method: liquid adiabatic gum to be injected in aluminium alloy extrusions pouring basin and to solidify, by the interim connecting bridge in excision aluminium alloy extrusions pouring basin, the medial and lateral shape of window frame being connected and disconnect, play heat insulation effect;
2), optimize hollow glass structure: utilize ANSYS finite element software to carry out analog computation to track at the environment of extremely frigid zones actual motion from the thickness of hollow layer and inside and outside layer glass, obtain air layer and the thickness of glass of heat-proof quality the best;
3), rolling-bending forming: the window frame of high cold window adopts rolling-bending forming automatic technology, ensures that outward appearance streamline is graceful;
4), interim connecting bridge is excised: the interim connecting bridge of window frame and inside and outside window frame together constitute the injecting glue groove needed for injecting glue, need interim connecting bridge to cut away after adiabatic gum solidification, connect with the metal disconnected between the aluminum alloy window frame of medial and lateral, thus avoid the flash heat transfer of metal;
Interim connecting bridge Thickness Ratio is thinner and contact with adiabatic gum, in corner, cutting difficulty is larger, precision is difficult to control, in order to ensure good machining accuracy, avoid the damage of adiabatic gum, according to the movement locus of milling cutter in cutting process, carry out the motion control design of milling cutter based on profile modeling, realize Cutting Automation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510175302.7A CN104806124A (en) | 2015-04-15 | 2015-04-15 | Pouring type thermal insulating method applied to high-cold frostless rail train windows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510175302.7A CN104806124A (en) | 2015-04-15 | 2015-04-15 | Pouring type thermal insulating method applied to high-cold frostless rail train windows |
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| CN104806124A true CN104806124A (en) | 2015-07-29 |
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| CN201510175302.7A Pending CN104806124A (en) | 2015-04-15 | 2015-04-15 | Pouring type thermal insulating method applied to high-cold frostless rail train windows |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736978A (en) * | 2008-11-19 | 2010-06-16 | 余定泉 | Pouring type thermal insulation aluminum profile |
| KR101063782B1 (en) * | 2011-06-29 | 2011-09-09 | (주)신창산업 | A frame of the tempered glass wall |
| CN103104166A (en) * | 2013-01-29 | 2013-05-15 | 山东凯米特铝业有限公司 | Multifunctional inner opening and inner reversing combination window |
| CN204113006U (en) * | 2014-08-29 | 2015-01-21 | 江苏锦绣铝业有限公司 | The door and window structure of pouring heat insulating section material |
-
2015
- 2015-04-15 CN CN201510175302.7A patent/CN104806124A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736978A (en) * | 2008-11-19 | 2010-06-16 | 余定泉 | Pouring type thermal insulation aluminum profile |
| KR101063782B1 (en) * | 2011-06-29 | 2011-09-09 | (주)신창산업 | A frame of the tempered glass wall |
| CN103104166A (en) * | 2013-01-29 | 2013-05-15 | 山东凯米特铝业有限公司 | Multifunctional inner opening and inner reversing combination window |
| CN204113006U (en) * | 2014-08-29 | 2015-01-21 | 江苏锦绣铝业有限公司 | The door and window structure of pouring heat insulating section material |
Non-Patent Citations (1)
| Title |
|---|
| 胡达明: "建筑中空玻璃传热系数影响因素分析及优化设计", 《2011年福建省暖通空调制冷学术年会论文资料集》 * |
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Application publication date: 20150729 |