CN203698286U - Windscreen for high-speed locomotive - Google Patents
Windscreen for high-speed locomotive Download PDFInfo
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- CN203698286U CN203698286U CN201420078626.XU CN201420078626U CN203698286U CN 203698286 U CN203698286 U CN 203698286U CN 201420078626 U CN201420078626 U CN 201420078626U CN 203698286 U CN203698286 U CN 203698286U
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- glass layer
- toughened glass
- chemically toughened
- express locomotive
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Abstract
The utility model discloses a windscreen for a high-speed locomotive. The windscreen comprises an anti-reflection film layer, a first chemical tempered glass layer, at least one second chemical tempered glass layer, an anti-splashing layer and a first electric heating component. The anti-reflection film layer is coated on one side of the first chemical tempered glass layer, the at least one second chemical tempered glass layer is arranged on the other side of the first chemical tempered glass layer, film layers are bonded between the first chemical tempered glass layer and the at least one second chemical tempered glass layer, and film layers are bonded between the at least one chemical tempered glass layer. The anti-splashing layer is disposed on the outer side of the last second chemical tempered glass layer, and the first electric heating component is arranged in the film layer in contact with the first chemical tempered glass layer. By means of the windscreen, running requirements of high-speed locomotives are met, and the requirement of high-speed locomotives for the safety is met particularly.
Description
Technical field
The utility model relates to glass and preparing technical field thereof, particularly relates to a kind of express locomotive Windshield.
Background technology
In the aeroamphibious transport system that aircraft, train, automobile and steamer form, railway transportation has that freight volume is large, speed fast, distance, cost are low, pollute the features such as little, with the competition of other transportation mode in win gradually, become most important transport systems; High speed railway can be transported to a distant place lot cargo and personnel in shorter time, drives the even rapid economic development in the whole nation of Along Railway, area, thereby becomes the outstanding person in the railway system.At the beginning of 2005, there are in the world 25 national passenger train running velocitys to exceed 240km/h.At present, external high ferro running velocity is conventionally in 300km/h left and right, and highest running speed is in 340km/h left and right.These national high speed train Windshield technical merits are also in international advanced level.When High Speed Train in China running velocity is during lower than overseas high speed train running speed, adopt and make up from the method for external import Windshield, these problems are also not obvious; But along with China's high ferro running velocity improves and far super when external gradually, there is no ready-made high ferro train Windshield abroad for us, import cannot be dealt with problems, and the problem of Windshield highlights day by day.In addition, High Speed Train in China occupy after world lead level, becomes exported country from importer, and Windshield becomes a problem that must solve
At present, mostly be the common armored glass using under low cruise condition for the front windshield of most domestic train, cannot meet express locomotive, especially speed exceedes the express locomotive of the 380 kilometers/hour requirement to safety.In addition, express locomotive generally uses out of doors with front windshield, China's northern territory winter temperature is low, ice and snow is many, in the time that ice and snow condenses in express locomotive front windshield surface and cannot remove in time, not only affect driver's the visual field, when serious, also can threaten the safe in operation of locomotive, have a strong impact on the service life of front windshield.
Summary of the invention
The purpose of this utility model is to propose a kind of express locomotive Windshield.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
A kind of express locomotive Windshield, it comprises:
Anti-reflection rete;
The first chemically toughened glass layer, described anti-reflection rete is coated in a side of described the first chemically toughened glass layer;
At least one deck the second chemically toughened glass layer, described the second chemically toughened glass layer is positioned at the opposite side of the first chemical chemically toughened glass layer; Assembly glue lamella between the first chemically toughened glass layer and the second chemically toughened glass layer, assembly glue lamella between the second chemically toughened glass layer;
Anti-spray region, described anti-spray region is positioned at the outside of last one deck the second chemically toughened glass layer, assembly glue lamella between anti-spray region and the second chemically toughened glass layer;
Electric-heating assembly, described electric-heating assembly is arranged in the film layers between the first chemically toughened glass layer and the second chemically toughened glass layer.
As above express locomotive Windshield, further, described electric-heating assembly comprises:
At least one heating wire, described heating wire is laid in the assembly glue lamella between the first chemically toughened glass layer and the second chemically toughened glass layer;
The input bus that confluxes, the described input bus that confluxes is electrically connected respectively with one end of described heating wire; The output bus that confluxes, the described output bus that confluxes is electrically connected respectively with the other end of described heating wire; Input lead and the input bus that confluxes is electrically connected, and extends express locomotive Windshield; Output lead and the output bus that confluxes is electrically connected, and extends express locomotive Windshield.
As above express locomotive Windshield, further, described film layers is polyurethane pellicle, the thickness of film layers is 1.5mm～4mm; The thickness of described anti-spray region is 0.5mm～1.5mm.
As above express locomotive Windshield, further, the skin stress of described chemically toughened glass layer is 700MPa～900MPa, thickness of glass is 4mm～8mm.
As above express locomotive Windshield, further, described antireflective film coating is SiO
2monofilm, TiO
2monofilm, SiO
2/ TiO
2duplicature, TiO
2/ SiO
2duplicature, or SiO
2/ TiO
2/ SiO
2multilayer complex films.
As above express locomotive Windshield, further, the thickness of described antireflective film coating is 100nm～500nm.
As above express locomotive Windshield, further, described electric-heating assembly at least comprises two groups of the first electric-heating assembly and the second electric-heating assemblies, in parallel between described electric-heating assembly.
The preparation method of express locomotive Windshield as above, comprise: prepare respectively the first chemically toughened glass layer and the second chemically toughened glass layer of anti-spray region, film layers, coating anti-reflection rete, laminated described anti-spray region, film layers, the first chemically toughened glass layer and the second chemically toughened glass layer;
Film layers between the first chemically toughened glass layer and the second chemically toughened glass layer is first floor film layers, and the preparation process of described first floor film layers is: according to the design size cutting film of express locomotive Windshield; Determine consumption and the layout of heating wire according to heat demand; On film, lay heating wire, input the bus that confluxes, export conflux bus, input lead and output lead; Described input lead and described output lead are leant out to described first floor film layers;
By described first floor film layers lay to the first chemically toughened glass layer, make described input lead and described output lead lean out express locomotive Windshield, in described first floor film layers, lay the second chemically toughened glass layer, repaves and puts film layers on the second chemically toughened glass layer; According to said method spread the second chemically toughened glass layer and film layers, anti-spray region has been laid in last one deck film layers; Finally laminated anti-spray region, film layers the first chemically toughened glass layer and the second chemically toughened glass layer are together put into vacuum bag, vacuumize, then under 125 DEG C～130 DEG C temperature, 1Mpa～1.5Mpa pressure, react 1.5h～2.5h, remove vacuum bag and obtain combined high-speed locomotive front windshield.
Compared with prior art, the beneficial effects of the utility model are:
Express locomotive Windshield of the present utility model can meet express locomotive operating needs, especially meets speed and exceedes the express locomotive of the 380 kilometers/hour requirement to safety.
In addition, by electric-heating assembly being set in film layers, by wire, heating wire is connected with extraneous power supply, realize in the situation that not affecting the normal printing opacity of express locomotive Windshield, for the chemically toughened glass layer of front windshield carries out electro heat, thereby actv. is removed accumulated snow or the frost on chemically toughened glass layer surface, avoid due to express locomotive windscreen surface accumulated snow or the visual field that the light transmittances that cause of reason such as frost are low, affect driver that freezes, when serious, also can threaten the problem of locomotive operation safety, extend the service life of express locomotive Windshield.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the express locomotive Windshield schematic diagram of a kind of embodiment of the utility model;
Fig. 2 is the electric-heating assembly schematic diagram of a kind of embodiment of the utility model;
Fig. 3 is the electric-heating assembly schematic diagram of the another kind of embodiment of the utility model.
In accompanying drawing, the list of parts of each label representative is as follows:
1, anti-reflection rete, 21, the first chemically toughened glass layer, 22, the second chemically toughened glass layer, 3, film layers, 4, anti-spray region, 5, the first electric-heating assembly, 51, heating wire, 52, the input bus that confluxes, 53, input lead, 54, the output bus that confluxes, 55, output lead, 6, the second electric-heating assembly.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in further detail, but not as to restriction of the present utility model.
Embodiment 1
As shown in Figure 1, be the express locomotive Windshield of a kind of embodiment of the utility model, it comprises: anti-reflection rete 1; The first chemically toughened glass layer 21, described anti-reflection rete 1 is coated in a side of described the first chemically toughened glass layer 21; 2 layer of second chemically toughened glass layer 22, described the second chemically toughened glass layer 22 is positioned at the opposite side of the first chemically toughened glass layer 21; Assembly glue lamella 3 between the first chemically toughened glass layer 21 and the second chemically toughened glass layer 22 of being adjacent, assembly glue lamella 3 between two-layer the second chemically toughened glass layer 22; Anti-spray region 4, described anti-spray region 4 is positioned at the outside of last one deck the second chemically toughened glass layer 22, assembly glue lamella 3 between anti-spray region 4 and the second chemically toughened glass layer 22; The first electric-heating assembly 5, described the first electric-heating assembly 5 is arranged in the film layers 3 contacting with the first chemically toughened glass layer 21.
As shown in Figure 2, in a kind of embodiment of the present utility model, described the first electric-heating assembly 5 comprises: parallel heating wire 51 of arranging, and described heating wire 51 is laid in the film layers 3 contacting with the first chemically toughened glass layer 21; The input bus 52 that confluxes, the described input bus 52 that confluxes is electrically connected respectively with one end of described heating wire 51; The output bus 54 that confluxes, the described output bus 54 that confluxes is electrically connected respectively with the other end of described heating wire 51; Input lead 53 and the input bus 52 that confluxes is electrically connected, and extends express locomotive Windshield; Output lead 55 and the output bus 54 that confluxes is electrically connected, and extends express locomotive Windshield.
When running into ice and snow, when sleet weather, the input lead of express locomotive Windshield 53 is connected with the mouth of extraneous power supply, output lead 55 is connected with the input end of described extraneous power supply, make the first electric-heating assembly 5 of express locomotive Windshield form closed loop with extraneous power supply, the electric current that extraneous power supply provides flows into input lead 53 by its mouth, flow into and input the bus 52 that confluxes via input lead 53, conflux bus 52 by extremely heating wire 51 in parallel of current distributing by input, produce heat by heating wire 51, melt the ice and snow covering on the first chemically toughened glass layer 21 with anti-reflection rete 1, the electric current of heating wire 51 of flowing through collects at the output bus 54 that confluxes, via the input end that is back to extraneous power supply of output lead 55.
Preferably, express locomotive Windshield input lead 53 is connected with the mouth of temperature controller, and described output lead 55 is connected with the input end of temperature controller, and express locomotive Windshield is opened or closed by described temperature controller control the first electric-heating assembly 5.
Train is in high-speed cruising, if run into the inclement weathers such as sleet, need accumulated snow, the frost etc. on cleaning front windshield surface in time, in a kind of embodiment of the present utility model, the first heating component 5 is connected with temperature controller, can pass through temperature controller preset temperature parameter, control the heating starting of the first electric-heating assembly 5, realize the low temperature automatic de-icing that snows, be particularly useful for the severe northern area of environment.
Anti-reflection rete 1, for increasing the transmission of light, improves trainman's degree of getting a clear view, and anti-reflection rete 1 is the silicon dioxide film (SiO of individual layer
2) or titanium dioxide film (TiO
2), can be also SiO
2/ TiO
2or TiO
2/ SiO
2duplicature can also be SiO
2/ TiO
2/ SiO
2multilayer complex films.Because the ratio of refraction of antireflective film coating can regulate continuously, thereby effectively reduce the ratio of refraction rate of bulk material, make it have very high light penetration, simultaneously suitable heat treatment can make again Si-OH(or the Ti-OH in coating) group aggregates into the cross-linked network structure of Si-O-Si (or Ti-O-Ti), thereby make its resistance to environment (corrosion such as sea water resistance, humidity, soda acid) good stability, hardness is high; Adopt complex film can further improve the resistance to environmental stability of express locomotive Windshield, and reduce the reflectivity of sunshine on front windshield surface.In a preferred embodiment, the thickness of described anti-reflection rete 1 is 100nm～500nm.
The first chemically toughened glass layer and the second chemically toughened glass layer are made according to the design surface type of express locomotive Windshield, its skin stress is at 700MPa-900MPa, meet the safety requirements of 380 type high speed trains, ensure that front windshield entirety meets the requirement of design molded line simultaneously; Film layers 3 is adhered between the first chemically toughened glass layer and the second chemically toughened glass layer, between the second chemically toughened glass layer, and between last one deck the second chemically toughened glass layer and anti-spray region.Film layers 3 is selected the polyurethane pellicle of good weatherability.The utility model preferred embodiment in the thickness of film layers 3 be 1.5mm～4mm; The thickness of anti-spray region 4 is 0.5mm～1.5mm.
The express locomotive Windshield that the utility model embodiment provides, by heating wire is set in film layers, by wire, described heating wire is connected with extraneous power supply, realize in the situation that not affecting the normal printing opacity of express locomotive Windshield, for express locomotive Windshield carries out electro heat, thereby actv. is removed accumulated snow or the frost of express locomotive Windshield outside face, avoided due to express locomotive windscreen surface accumulated snow or the light transmittances that cause of reason such as frost that freeze low, affect driver's the visual field, the phenomenon that also can threaten the safe in operation of locomotive when serious, extend the service life of express locomotive Windshield.
The preparation method of express locomotive Windshield as mentioned above, described method comprises:
Step 1: prepare respectively the first chemically toughened glass layer and the second chemically toughened glass layer of anti-spray region, film layers, coating anti-reflection rete, specifically comprise:
1a: prepare chemically toughened glass layer:
1a1: the first chemically toughened glass layer of preparing tool anti-reflection rete
According to the design surface type of express locomotive Windshield, by glass bending moulding, recycle chemical chemical tempering technology and prepare chemically toughened glass layer, finally adopt sol-gel process to prepare this anti-reflection rete.Key reaction raw material is Si (OC
2h
5)
4or Ti (OC
2h
5)
4, by adding solvent, the catalyst of suitable proportioning, at 30～40 DEG C, react 4hr, more at room temperature ageing 5～20 days, finally prepare SiO
2and/or TiO
2colloidal sol.Adopt high speed spin coating process or czochralski method by the nanoporous SiO preparing
2and/or TiO
2be coated to the first chemically toughened glass layer, the coating that spin coating or lift obtains first leaves standstill 1hr in clean, dry room temperature environment, pretreatment 30min at 50～70 DEG C again, finally heat treatment 4Hr at 100～150 DEG C, finally obtain thering is antireflective film coating (ratio of refraction is 1.13～1.40(300～2500nm place)) the first chemically toughened glass layer, the thickness of antireflective film coating is 100～500nm, preferably 8～10mm of the thickness of the first chemically toughened glass layer.
1a2: preparation the second chemically toughened glass layer
According to the design surface type of express locomotive Windshield, by the second chemically toughened glass layer hot bending, recycle chemical chemical tempering technology and prepare the second chemically toughened glass layer, preferably 4～6mm of the thickness of the second chemically toughened glass layer.
1b: preparation film layers: film layers 3 is selected the hot melt adhesive of good weatherability, optimization polyurethane film, its concrete preparation method comprises:
Film layers between the first chemically toughened glass layer and the second chemically toughened glass layer is first floor film layers, and the preparation process of described first floor film layers is:
1b1: according to the design size cutting film of express locomotive Windshield, film optimization polyurethane film in the present embodiment, its thickness is preferably 1.5～4mm;
1b2: according to heating power Location of requirement heating wire, input conflux bus, output conflux consumption and the layout of bus, input lead and output lead:
In the present embodiment, only be designed with the first electric-heating assembly, heating wire in the first electric-heating assembly is dispersed in the film layers 3 contacting with the first chemically toughened glass layer 21, adopt altogether two buss and two that conflux with wire, input the bus that confluxes, export the bus that confluxes, input lead and output lead, inputting the bus that confluxes arranges along the input end position of described heating wire, exporting the bus that confluxes arranges along the mouth position of each described heating wire, make each heating wire parallel connection, input lead and the input bus that confluxes is electrically connected, output lead and the output bus that confluxes is electrically connected,
1b3: lay heating wire in the film layers 3 contacting with the first chemically toughened glass layer 21, input the bus that confluxes, export conflux bus, input lead and output lead, specifically comprise:
By cloth silk machine cloth silk on described film:
According to heating wire quantity and the layout of design, regulate cloth silk spacing and other cloth silk parameters of cloth silk machine; The film cutting is placed on the cylinder of cloth silk machine, adjusts the curvature of heating wire, start cloth silk, after cloth silk finishes, draw the joint at heating wire two ends;
On described film, lay described input bus and the described output bus that confluxes that confluxes, one end of described heating wire and the described input bus that confluxes is connected, the other end and the described output bus that confluxes is connected, and is specially:
The film of good cloth silk is lain on operator's station, input bus and the output bus that confluxes that confluxes is sticked on to the predeterminated position on film with conductive silver paste, make one end of heating wire and the described input bus that confluxes bonding, the other end and the described output bus that confluxes is bonding;
The conflux input end of bus of described input is connected with input lead, the conflux mouth of bus of described output is connected with output lead;
Heating wire, input conflux laying and the order of connection of bus, input lead and output lead of bus, output of confluxing can be adjusted as required;
1b4: described input lead and described output lead are leant out to described film, obtain film layers.
1c: prepare anti-spray region: anti-spray region is manufactured according to the design surface type of described express locomotive Windshield, anti-spray region is thicker, preferably 0.5～1.5mm, for the safety that improves front windshield entirety, make express locomotive front windshield in the time being subject to foreign impacts, keep overall integraty, the disintegrating slag producing while simultaneously avoiding glass breakage threatens the safety of chaufeur;
Step 2: bonding described anti-spray region, film layers and chemically toughened glass layer, concrete operations are as follows:
By described first floor film layers lay to the first chemically toughened glass layer, make described input lead and described output lead lean out express locomotive Windshield, in described first floor film layers, lay the second chemically toughened glass layer, repaves and puts film layers on the second chemically toughened glass layer; According to said method spread the second chemically toughened glass layer and film layers, anti-spray region has been laid in last one deck film layers; Finally laminated anti-spray region, film layers the first chemically toughened glass layer and the second chemically toughened glass layer are together put into vacuum bag, vacuumize; Last vacuum bag is put into air pressure kettle, under 125～130 DEG C, 1.12Mpa, reacts 1.5h; Take out vacuum bag, put to room temperature and remove described vacuum bag, obtain express locomotive Windshield.
Owing to being furnished with heating wire in film layers, in step 2, if temperature of reaction is too high, the reaction time is long, easily cause heating wire migration,, even there is the phenomenons such as heating wire partial burnt-out opens circuit thereby cause express locomotive Windshield to occur in use heating inequality in off-design position; If the too low reaction time of heating-up temperature is too short, film cannot reach optimum viscosity, causes chemically toughened glass layer bonding not firm, has shortened the service life of express locomotive Windshield; Under 125～130 DEG C, 1～1.5Mpa, reaction 0.5～1.5h, heating wire can keep design form, and film has good cohesiveness.
The method for making of the express locomotive Windshield that the present embodiment provides, produce the express locomotive Windshield that is provided with heating wire in film layers, the heating wire of this express locomotive Windshield is connected with extraneous power supply by wire, realize in the situation that not affecting the normal printing opacity of express locomotive Windshield, for chemically toughened glass carries out electro heat, thereby actv. is removed accumulated snow or the frost of express locomotive windscreen surface, avoid the light transmittance that causes due to front windshield surface accumulated snow or the reasons such as frost of freezing low, affect driver's the visual field, the phenomenon that also can threaten the safe in operation of locomotive when serious, extend the service life of express locomotive Windshield.The method that the utility model embodiment provides is simple to operate, and suitable batchization is produced, and can automation mechanized operation, high, the steady quality of efficiency.
Preferably, described express locomotive Windshield is 380 type express locomotive front windshields.Express locomotive generally uses out of doors with front windshield, the low ice and snow of China's northern territory winter temperature is many, ice and snow condenses in express locomotive front windshield surface cannot remove in time time, not only affect driver's the visual field, when serious, also can threaten the safe in operation of locomotive, have a strong impact on the service life of front windshield.Therefore especially need automatically to remove the express locomotive Windshield of accumulated snow, frost.
Embodiment 2
Referring to Fig. 3, the present embodiment provides another kind of express locomotive Windshield, compared with above-described embodiment, described express locomotive Windshield comprises two groups of electric-heating assemblies, be respectively the first electric-heating assembly 5 and the second electric-heating assembly 6, be arranged in the film layers 3 contacting with the first chemically toughened glass layer 21, and in parallel between described the first electric-heating assembly 5 and the second electric-heating assembly 6.In the present embodiment, the first electric-heating assembly and the second electric-heating assembly are positioned at the diverse location of express locomotive Windshield, taking the vertical center line of express locomotive Windshield as boundary, first group of electric-heating assembly 5 is positioned at the left side of express locomotive Windshield, and second group of electric-heating assembly is positioned at the right-hand part of express locomotive Windshield.First group of electric-heating assembly 5, its input lead 53 is connected with the mouth of the first temperature controller, and its output lead 55 is connected with the input end of the first temperature controller, and the first electric-heating assembly 5 is by the first temperature controller control; The input lead of the second electric-heating assembly is connected with the mouth of the second temperature controller, and the output lead of the second electric-heating assembly is connected with the input end of the second temperature controller, and the second electric-heating assembly is by the second temperature controller control.In other embodiments, the quantity of the second electric-heating assembly also can be two, three or more, can need to determine according to the size of express locomotive Windshield and concrete use the quantity of the second electric-heating assembly.
Because the area of express locomotive Windshield is larger, high speed train operation scope is wider, therefore may occur that train front windshield subregion exists the phenomenon of accumulated snow, frost, by subregion on described combined type front windshield, the first electric-heating assembly and the second electric-heating assembly are set, control respectively the electric-heating assembly in each region, can remove more targetedly the ice and snow frost on front windshield, energy-conserving and environment-protective more.
Preferably, in the above-described embodiments, the diameter of heating wire used is 0.1～0.2mm, when the diameter of heating wire is meticulous at easy fracture of wire of film cloth silk stage, thereby cause electric-heating assembly normally to work; The diameter of heating wire is crossed when thick, can take more film space, causes firmly bonding the first chemically toughened glass layer 21 and the second chemically toughened glass layer 22 with antireflective film coating 1 of film layers 3; When the diameter of heating wire is during at 0.1～0.2mm, can ensure permanently effective work, can ensure that again film layers has good cementability.
Preferably, the preferred tungsten heating wire of heating wire.Because the heating wire being dispersed in film layers is not easy to maintenance, and the service life of express locomotive Windshield is generally more than 10 years, its environment for use mostly is again extreme natural environment, therefore need heating wire to there is enough stability and corrosion stability, tungsten heating wire plasticity is better, in the time of applied at elevated temperature, its structure is difficult for changing, and corrosion stability is strong, is therefore particularly useful for 380 type express locomotive express locomotive Windshield.
Preferably, film layers 3 is polyurethane pellicle, its thickness is 1.5～4mm, polyurethane pellicle has good weather resisting property, in the time that its thickness is 1.5～4mm, not only can also meet the first chemically toughened glass layer 21 and the bonding needed adhesive force of the second chemically toughened glass layer 22 by embedding heating wire 51.Preferably, the first chemically toughened glass layer 21 thickness are 8～10mm, chemically toughened glass not only has good transmitance, and there is excellent impact strength, the Vitrage trempe chimique that 8～10mm is thick has enough supporting capacity, can ensure that express locomotive front windshield meets design surface type as much as possible.
The as mentioned above preparation method of express locomotive Windshield, in the method and embodiment 1, method is similar, unique different be consumption and the layout of heating wire and the bus that confluxes, be specially:
In the present embodiment, be designed with altogether two groups of electric-heating assemblies, referring to Fig. 3, taking the vertical center line of express locomotive Windshield as boundary, the first electric-heating assembly is positioned at the left side of express locomotive Windshield, and second group of electric-heating assembly is positioned at the right-hand part of express locomotive Windshield.The method of designing of two electric-heating assemblies is all identical with the method for designing of the first electric-heating assembly in embodiment 3, in other embodiments, the quantity of the second electric-heating assembly can be also more than two, can need to determine according to the size of express locomotive Windshield and concrete use the quantity of the second electric-heating assembly;
Because the area of express locomotive Windshield is larger, high speed train operation scope is wider, therefore may occur that train front windshield subregion exists the phenomenon of accumulated snow, frost, by subregion on described combined type front windshield, electric-heating assembly is set, control respectively the electric-heating assembly in each region, can remove more targetedly the ice and snow frost on front windshield, energy-conserving and environment-protective more.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can, in essence of the present utility model and protection domain, make various amendments or be equal to replacement the utility model, this amendment or be equal to replacement and also should be considered as dropping in protection domain of the present utility model.
Claims (8)
1. an express locomotive Windshield, is characterized in that, comprises
Anti-reflection rete (1);
The first chemically toughened glass layer (21), described anti-reflection rete (1) is coated in a side of described the first chemically toughened glass layer (21);
At least one deck the second chemically toughened glass layer (22), described the second chemically toughened glass layer (22) is positioned at the opposite side of the first chemically toughened glass layer (21); Assembly glue lamella (3) between the first chemically toughened glass layer (21) and the second chemically toughened glass layer (22), assembly glue lamella (3) between the second chemically toughened glass layer (22);
Anti-spray region (4), described anti-spray region (4) is positioned at the outside of last one deck the second chemically toughened glass layer (22), assembly glue lamella (3) between anti-spray region (4) and the second chemical chemically toughened glass layer (22);
The first electric-heating assembly (5), described the first electric-heating assembly (5) is arranged in the film layers (3) contacting with the first chemically toughened glass layer (21).
2. express locomotive Windshield according to claim 1, is characterized in that, described the first electric-heating assembly (5) comprising:
At least one heating wire (51), described heating wire (51) is laid in the film layers (3) contacting with the first chemically toughened glass layer (21);
The input bus (52) that confluxes, the described input bus (52) that confluxes is electrically connected respectively with one end of described heating wire (51); The output bus (54) that confluxes, the described output bus (54) that confluxes is electrically connected respectively with the other end of described heating wire (51); Input lead (53) and the input bus (52) that confluxes is electrically connected, and extends express locomotive Windshield; Output lead (55) and the output bus (54) that confluxes is electrically connected, and extends express locomotive Windshield.
3. express locomotive Windshield according to claim 1, is characterized in that, described film layers (3) is polyurethane pellicle, and the thickness of film layers (3) is 1.5mm～4mm.
4. express locomotive Windshield according to claim 1, is characterized in that, the thickness of described anti-spray region (4) is 0.5mm～1.5mm.
5. express locomotive Windshield according to claim 1, is characterized in that, the skin stress of described the first chemically toughened glass layer (21) and the second chemically toughened glass layer (22) is 700MPa～900MPa, and thickness of glass is 4mm～8mm.
6. express locomotive Windshield according to claim 1, is characterized in that, described anti-reflection rete (1) is SiO
2monofilm, TiO
2monofilm, SiO
2/ TiO
2duplicature, TiO
2/ SiO
2duplicature, or SiO
2/ TiO
2/ SiO
2multilayer complex films.
7. according to the express locomotive Windshield described in claim 1 or 6, it is characterized in that, the thickness of described anti-reflection rete (1) is 100nm～500nm.
8. express locomotive Windshield according to claim 1, is characterized in that, also comprises at least one group of the second electric-heating assembly (6), between described the first electric-heating assembly (5) and the second electric-heating assembly (6), is connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078626.XU CN203698286U (en) | 2014-02-24 | 2014-02-24 | Windscreen for high-speed locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078626.XU CN203698286U (en) | 2014-02-24 | 2014-02-24 | Windscreen for high-speed locomotive |
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| Publication Number | Publication Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770799A (en) * | 2014-02-24 | 2014-05-07 | 中国建筑材料科学研究总院 | High-speed locomotive windshield and preparation method thereof |
| CN104943281A (en) * | 2015-06-03 | 2015-09-30 | 张阳康 | Homothermal double-layer toughened glass |
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2014
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770799A (en) * | 2014-02-24 | 2014-05-07 | 中国建筑材料科学研究总院 | High-speed locomotive windshield and preparation method thereof |
| WO2015123920A1 (en) * | 2014-02-24 | 2015-08-27 | 中国建筑材料科学研究总院 | High-speed locomotive windshield and preparation method therefor |
| CN103770799B (en) * | 2014-02-24 | 2016-08-17 | 中国建筑材料科学研究总院 | A kind of express locomotive windshield and preparation method thereof |
| US10375769B2 (en) | 2014-02-24 | 2019-08-06 | China Building Materials Academy | High-speed locomotive windshield and preparation method therefor |
| CN104943281A (en) * | 2015-06-03 | 2015-09-30 | 张阳康 | Homothermal double-layer toughened glass |
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