CN104401207B - Electrical heating automobile wind shield glass - Google Patents
Electrical heating automobile wind shield glass Download PDFInfo
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- CN104401207B CN104401207B CN201410649122.3A CN201410649122A CN104401207B CN 104401207 B CN104401207 B CN 104401207B CN 201410649122 A CN201410649122 A CN 201410649122A CN 104401207 B CN104401207 B CN 104401207B
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Abstract
The present invention provides a kind of electrical heating automobile wind shield glass, described electrical heating automobile wind shield glass, including at least one of which FTO conducting glass substrate, two edges that described FTO conducting glass substrate is relative is printed or bonded with electrode, and described electrode is connected with power sourced electric.Electrical heating automobile wind shield glass of the present invention is simple and reasonable for structure, compact, this electrical heating automobile wind shield glass changes little FTO conducting glass substrate for adding thermal medium with heating properties, can be processed into curved surface and the shape of various automotive needs, good looking appearance, backsight effect is good；And electrical heating automobile wind shield glass of the present invention uses the mode of face heating, being heated evenly and be not likely to produce explosion, defrosting, deicing, snow removing speed are fast.
Description
Technical field
The present invention relates to windshield technology, particularly relate to a kind of electrical heating automobile wind shield glass.
Background technology
Vehicle glass is one of important safety component of automobile, has the effects such as protection occupant safety and waterproof and dustproof, heat-resisting and sound insulation.Nowadays, the area of vehicle glass account for that car surface is long-pending 1/3.According to application site, automotive glass mainly includes windshield glass, wind shield glass wind shield, door glass, skylight glass and front/rear quarter light glass etc..Before more than 40 years, windshield has used single-piece to bend windshield, and has gradually abandoned the windshield of plane.The windshield of today the most all makees the large curved surface type of an integral width formula, has certain radian up and down.Development along with auto industry, vehicle glass with heater wire is applied the most widely, it is almost applied to the rear seat windscreen of all automobiles, it is the surface that special conductive silver paste is printed onto by the way of wire mark glass, glass is after tempering, conductive silver paste is sintered to glass surface, owing to it has certain resistance, can generate heat to eliminate the frost of glass surface after energising, it is beneficial to driver and can observe the situation at car rear when driving in time, make automobile have more preferable comfortableness and safety in driving procedure.
But this automobile electrothermic windowpane is the mode using line heating, after heater wire heating, slowly heat is transmitted to heater wire both sides, vehicle glass is heated uneven, once heat temperature raising excessive velocities, or heat time heating time is long, it is easy to the situation that vehicle glass bursts occurs.Additionally, this automobile electrothermic windowpane is to print heater wire (conductive silver wire) on glass, in order to reach good heats, generally the printing width of heater wire is not less than 1mm, and at least tens to twenties heater wires not waited on the rear seat windscreen of a common car, the outward appearance of automobile and the sight line of driver and crew are all brought certain impact by these visual heater wires.
U.S. patent Nos US5540961 discloses one and " has the windshield of tinsel thermoplastic interlayer ", this patent have employed a kind of technical scheme superfine metal tungsten wire (20-50 micron diameter) being laid in the interlayer of automobile front windshield, electric heated defrosting, function except mist and deicing can be realized, the disadvantage of this scheme is that cost is the highest, the shortcoming of another one star is the existence that driver or passenger can significantly see filament, affects attractive in appearance and sight line.
Chinese invention patent application 201210333292.1 discloses " one can electrically heated low-emission coated laminated glass ", and this patent have employed the composite membrane system containing Ag layer and low-emission coated layer, and surface resistance is reduced to 0.4-4ohm/.Although the program has more preferably electric conductivity and bigger heating power, but is because using multicoating, the most also considerably increase cost.
Chinese invention patent CN 98100128.9 propose one " heat insulation, every frost coated glass preparation method ", this patent proposes to replace existing heater wire windowpane with ITO conductive film glass window, this ITO conductive film glass resistance is low, visible light transmissivity is high, abandon the printing of traditional heater wire, beautify automobile appearance, made to drive comfortableness and safety is improved.However it is necessary that proposition, Hyundai Motor uses bending windshield the most completely, therefore in the course of processing of windshield, needs plate glass is carried out hot bending operation, and this operation needs to carry out at a temperature of about 600 DEG C.According to processing technology, hot bending operation is intended to carry out after completing ITO conductive film plated film, but ITO conductive film is when temperature is more than 300 DEG C, and surface resistance can steeply rise.If therefore using ito coated glass as vehicle glass, its heating power does not reaches far away the requirement eliminating glass for vehicle window ice and snow frost.
Summary of the invention
It is an object of the invention to, heat for above-mentioned orthodox car windshield line, vehicle glass is heated inequality, the problem that explosion easily occurs；The sight line of automobile appearance and driver and crew is brought and is affected in various degree by heater wire, proposes a kind of electrical heating automobile wind shield glass, and this electrical heating automobile wind shield glass good looking appearance, backsight effect is good；And this electrical heating automobile wind shield glass use face heating mode, be heated evenly and be not likely to produce explosion, defrosting, deicing, snow removing speed fast.
For achieving the above object, the technical solution used in the present invention is: a kind of electrical heating automobile wind shield glass, including at least one of which FTO conducting glass substrate, two edges that described FTO conducting glass substrate is relative being printed or bonded with electrode, described electrode is connected with power sourced electric.The setting of electrode is the positive and negative electrode for applying heating power supply.It is appreciated that curved surface and the shape that can be processed into various automotive needs according to this electrical heating automobile wind shield glass.
Further, described electrical heating automobile wind shield glass is the laminated glass including PVB (polyvinyl butyral resin) layer, described laminated glass includes at least one of which FTO conducting glass substrate, being printed or bonded with electrode on two edges that described FTO conducting glass substrate is relative, described electrode is connected with power sourced electric.
Further, described FTO conducting glass substrate is float-glass substrate or the borosilicate glass substrate that deposition has FTO conductive film, and FTO conductive film is the transparency conducting layer of doped sno_2 fluorine.
Further, described FTO electro-conductive glass can be tempering or non-tempering.
Further, described FTO conducting glass substrate thickness is: 1mm～20mm.It is preferably 2mm～5mm.
Further, the thickness of described FTO conductive film is: 50nm～1000nm.It is preferably 100nm～500nm.
Further, the surface resistance of described FTO conducting glass substrate is: 3ohm/～100ohm/.
Further, described electrode is bus, conductive film or conducting resinl.
Further, the power supply being applied on electrode is 5～220V power supplys.It is preferably 5-110V.
Further, the light transmittance of described electrical heating automobile wind shield glass is 10%～100%.The preparation method of electrical heating automobile wind shield glass of the present invention, the method science, rationally, the industrialized production of electrical heating automobile wind shield glass can be realized.
The preparation method of electrical heating automobile wind shield glass of the present invention, comprises the following steps:
Step 1: FTO conducting glass substrate is carried out trapezoidal cutting, edging, washing, and dry for standby；
Step 2: on the FTO conducting glass substrate edge that step 1 obtains, relative two frames, prints or pastes positive and negative electrode respectively, and use mould that FTO conducting glass substrate carries out hot bending and tempering process, obtain the bend glass of desirable strength and curvature；
Or first using mould, the FTO conducting glass substrate obtaining step 1 carries out hot bending and tempering processes, and after obtaining the bend glass of desirable strength and curvature, then on FTO conducting glass substrate edge, relative two frames, prints respectively or pastes positive and negative electrode；
Step 3: be connected with power supply by electrical connection arrangement by positive and negative electrode, obtains electrical heating automobile wind shield glass.
Described hot bending and tempering comprise the following steps: be first placed horizontally on mould by FTO conducting glass substrate, send into heating furnace and carry out hot bending process；It is sent to the most rapidly cooling air grid district and carries out chilling tempering process: the firing rate of wherein said FTO conducting glass substrate is: the heat time heating time of every 1mm heavy sheet glass is 20-60s: the temperature that described tempering processes is 580-680 DEG C.
When described electrical heating automobile wind shield glass is the laminated glass including PVB (polyvinyl butyral resin) layer, increase following steps between step 2 and step 3:
Step 2.1: other glass matched with FTO conducting glass substrate individually or are carried out hot bending process with FTO conducting glass substrate in mould simultaneously；Carry out hot bending process to refer to overlap FTO electro-conductive glass and the second glass simultaneously, be placed on the interior hot bending simultaneously of mould, both can improve work efficiency, it is also ensured that the curvature of two sheet glass is more consistent；
Step 2.2: put PVB doubling layer between FTO electro-conductive glass and other glass after hot bending, uses traditional doubling technique to carry out doubling process；
Other glass described are simple glass or FTO conducting glass substrate.
Other thickness of glass described are 1mm-10mm.
Electrical heating automobile wind shield glass simple in construction of the present invention, compact, its preparation method science, easy, have the advantage that compared with prior art
(1) electrical heating automobile wind shield glass of the present invention includes at least one of which FTO conducting glass substrate, and FTO conducting glass substrate has excellent high-temperature stability, it is simple to carries out hot bending, tempering and doubling and processes.At high temperature, surface resistance change is little for FTO conductive film material, and therefore after hot bending processes, its heating properties also without big change, can be processed into curved surface and the shape of various automotive needs, while meeting windshield needs, moreover it is possible to beautify automobile appearance.
(2) FTO conducting glass substrate printing opacity is uniform, can improve the backsight effect of human pilot.
(3) present invention uses the mode that face is heated, on vehicle glass, visual heater wire is printed (after heater wire heating with traditional, slowly heat is transmitted to heater wire both sides) compare, vehicle glass is heated evenly, it is possible to effectively prevent the explosion that glass produces because being heated inequality；Meanwhile, defrosting, deicing, the speed of snow removing are also greatly improved.
(4), electrical heating automobile wind shield glass of the present invention not only can be used for rear windscreen of car glass, moreover it can be used to the position of any useable glass such as windshield glass, side window glass and skylight glass.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the embodiment of the present invention 2；
Fig. 3 is the structural representation of the embodiment of the present invention 3；
Fig. 4 is the structural representation of the embodiment of the present invention 4；
Fig. 5 is the structural representation of the embodiment of the present invention 5；
Fig. 6 is that the A of Fig. 5 is to sectional view；
Fig. 7 is the structural representation of the embodiment of the present invention 6；
Fig. 8 is that the B of Fig. 7 is to sectional view；
Fig. 9 is the structural representation of the embodiment of the present invention 7.
Accompanying drawing identifies: 1-FTO conducting glass substrate, 2-common glass substrates, 3-doubling layer, and 4-conducts electricity Rhizoma Humatae Tyermanni, 5-positive pole, 6-negative pole, the 7-sense of current, 8-conductive copper bar；11-glass substrate；12-FTO conductive film.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described:
Embodiment 1
Present embodiment discloses a kind of electrical heating automobile wind shield glass, as it is shown in figure 1, be one layer of FTO conducting glass substrate, the edge of described FTO electro-conductive glass base the right and left is printed or bonded with electrode, described electrode is connected with power sourced electric.Described FTO conducting glass substrate is the float-glass substrate that deposition has FTO conductive film, and FTO conductive film is the transparency conducting layer of doped sno_2 fluorine.Described FTO conducting glass substrate thickness is: 20mm, and the thickness of described FTO conductive film is: described in 1000nm, the surface resistance of FTO conducting glass substrate is: 7ohm/ (7ohm/sq).Described electrode is conductive film Rhizoma Humatae Tyermanni.The power supply being applied on electrode is 36V.The sense of current 7 is as shown by arrows.
The preparation method of the present embodiment electrical heating automobile wind shield glass, comprises the following steps:
Step 1: FTO conduction (surface resistance 7ohm/sq) glass substrate 1 is cut (by trapezoidal cutting, a size of upper and lower two the parallel lines length of glass are respectively 1100mm, 1200mm, the two a width of 800mm of parallel lines), break limit, edging, hole, wash, surface dirt, greasy dirt, impurity etc. are cleaned up, glass substrate after washing is dried, and notices that the glass substrate after drying directly can not be touched with hands.
Step 2: at the oblique opposite side (two limits of irrelevancy row) of trapezoidal glass substrate, conduction Rhizoma Humatae Tyermanni 4 wide for printing 10mm respectively, i.e. form positive pole 5, negative pole 6.
Step 3: the above-mentioned plane FTO conducting glass substrate handled well is placed horizontally on mould, deliver to heating furnace heating, when glass temperature reaches about 620 DEG C, with vacuum cup, glass is picked up, then decontrol glass and do free-falling, it is labelled to mould owing to action of gravity is sagging and shapes, after keeping 10min, it is sent to rapidly cooling air grid district, with bull nozzle, high pressure cold air is blowed to the two sides of glass, chilling tempering, directly obtains the bend glass of desirable strength and curvature.Chilling blast is 7-8KPa, and the distance between air grid and glass is 10-20mm, chilling period 15-20s.
Step 4: be connected with 36V power supply by wire by the conduction Rhizoma Humatae Tyermanni 4 of positive pole 5, negative pole 6 respectively, so that electric current is by FTO conductive film heated glass window, power density is up to about 160W/m2。
Embodiment 2
Present embodiment discloses a kind of electrical heating automobile wind shield glass, as in figure 2 it is shown, be one layer of FTO conducting glass substrate, the edge on the upper and lower both sides of described FTO electro-conductive glass base is printed or bonded with electrode, described electrode is connected with power sourced electric.Described FTO conducting glass substrate is the borosilicate glass substrate that deposition has FTO conductive film.FTO is the transparency conducting layer of doped sno_2 fluorine.Described FTO conducting glass substrate thickness is: 2mm, and the thickness of described FTO conductive film is: described in 50nm, the surface resistance of FTO conducting glass substrate is: 7ohm/ (7ohm/sq).Described electrode is bus, conductive film or conducting resinl.The power supply being applied on electrode is 24V.The sense of current 7 is as shown by arrows.
The preparation method of the present embodiment electrical heating automobile wind shield glass, comprises the following steps:
Step 1: FTO conduction (surface resistance 7ohm/sq) glass substrate 1 is cut (by trapezoidal cutting, a size of upper and lower two the parallel lines length of glass are respectively 1100mm, 1200mm, the two a width of 800mm of parallel lines), break limit, edging, hole, wash, surface dirt, greasy dirt, impurity etc. are cleaned up, glass substrate after washing is dried, and notices that the glass substrate after drying directly can not be touched with hands.
Step 2: at the upper end of trapezoidal glass substrate and going to the bottom on (two limits being parallel to each other), conduction Rhizoma Humatae Tyermanni 4 wide for printing 10mm respectively, i.e. form positive pole 5, negative pole 6；
Step 3: the above-mentioned plane FTO conducting glass substrate handled well is placed horizontally on mould, deliver to heating furnace heating, when glass temperature reaches about 600 DEG C, with vacuum cup, glass is picked up, then decontrol glass and do free-falling, it is labelled to mould owing to action of gravity is sagging and shapes, after keeping 15min, it is sent to rapidly cooling air grid district, with bull nozzle, high pressure cold air is blowed to the two sides of glass, chilling tempering, directly obtains the bend glass of desirable strength and curvature.Chilling blast is 0.5-1KPa, and the distance between air grid and glass is 35-45mm, chilling period 80-100s.
Step 4: be connected with 24V power supply by wire by the conduction Rhizoma Humatae Tyermanni 2 of positive pole 5, negative pole 6 respectively, so that electric current is by FTO conductive film heated glass window, power density is up to about 102W/m2。
Embodiment 3
Present embodiment discloses a kind of electrical heating automobile wind shield glass, as it is shown on figure 3, be one layer of FTO conducting glass substrate, the edge of described FTO electro-conductive glass base the right and left is printed or bonded with electrode, described electrode is connected with power sourced electric.Described FTO conducting glass substrate is the float-glass substrate that deposition has FTO conductive film.FTO is the transparency conducting layer of doped sno_2 fluorine.Described FTO conducting glass substrate thickness is: 10mm, and the thickness of described FTO conductive film is: described in 100nm, the surface resistance of FTO conducting glass substrate is: 7ohm/ (7ohm/sq).Described electrode is bus, conductive film or conducting resinl.The power supply being applied on electrode is 24V.The sense of current 7 is as shown by arrows.
The preparation method of the present embodiment electrical heating automobile wind shield glass, comprises the following steps:
Step 1: FTO conduction (surface resistance 7ohm/sq) glass substrate 1 is cut (by trapezoidal cutting, a size of upper and lower two the parallel lines length of glass are respectively 1100mm, 1200mm, the two a width of 800mm of parallel lines), break limit, edging, hole, wash, surface dirt, greasy dirt, impurity etc. are cleaned up, glass substrate after washing is dried, and notices that the glass substrate after drying directly can not be touched with hands；
Step 2: the above-mentioned plane FTO conducting glass substrate handled well is placed horizontally on mould, deliver to heating furnace heating, when glass temperature reaches about 650 DEG C, with vacuum cup, glass is picked up, then decontrol glass and do free-falling, it is labelled to mould owing to action of gravity is sagging and shapes, after keeping 6min, it is sent to rapidly cooling air grid district, with bull nozzle, high pressure cold air is blowed to the two sides of glass, chilling tempering, directly obtains the bend glass of desirable strength and curvature.Chilling blast is 0.2-0.3KPa, and the distance between air grid and glass is 50-60mm, chilling period 180-200s.
Step 3: at the oblique opposite side (two limits of irrelevancy row) of trapezoidal glass substrate, uses conducting resinl to paste conductive copper bar 8 wide for 15mm respectively, i.e. forms positive pole 5, negative pole 6；
Step 4: be connected with 24V power supply by wire by the conductive copper bar 8 of positive pole 5, negative pole 6 respectively, so that electric current is by FTO conductive film heated glass window, power density is up to about 70W/m2。
Embodiment 4
Present embodiment discloses a kind of electrical heating automobile wind shield glass, as shown in Figure 4, be one layer of FTO conducting glass substrate, the edge on the upper and lower both sides of described FTO electro-conductive glass base is printed or bonded with electrode, described electrode is connected with power sourced electric.Described FTO conducting glass substrate is the borosilicate glass substrate that deposition has FTO conductive film.FTO is the transparency conducting layer of doped sno_2 fluorine.Described FTO conducting glass substrate thickness is: 15mm, and the thickness of described FTO conductive film is: described in 500nm, the surface resistance of FTO conducting glass substrate is: 7ohm/ (7ohm/sq).Described electrode is bus, conductive film or conducting resinl.The power supply being applied on electrode is 36V.The sense of current 7 is as shown by arrows.
The preparation method of the present embodiment electrical heating automobile wind shield glass, comprises the following steps:
Step 1: FTO conduction (surface resistance 7ohm/sq) glass substrate 1 is cut (by trapezoidal cutting, a size of upper and lower two the parallel lines length of glass are respectively 1100mm, 1200mm, the two a width of 800mm of parallel lines), break limit, edging, hole, wash, surface dirt, greasy dirt, impurity etc. are cleaned up, glass substrate after washing is dried, and notices that the glass substrate after drying directly can not be touched with hands；
Step 2: the above-mentioned plane FTO conducting glass substrate handled well is placed horizontally on mould, deliver to heating furnace heating, when glass temperature reaches about 650 DEG C, with vacuum cup, glass is picked up, then decontrol glass and do free-falling, it is labelled to mould owing to action of gravity is sagging and shapes, after keeping 6min, it is sent to rapidly cooling air grid district, with bull nozzle, high pressure cold air is blowed to the two sides of glass, chilling tempering, directly obtains the bend glass of desirable strength and curvature.During thickness of glass 19mm, chilling blast is 0.05-0.1KPa, and the distance between air grid and glass is 70-80mm, chilling period 350-400s.
Step 3: at the upper end of trapezoidal glass substrate and going to the bottom on (two limits being parallel to each other), conductive copper bar 8 wide for printing 15mm respectively, i.e. form positive pole 5, negative pole 6；
Step 4: be connected with 36V power supply by wire by the conductive copper bar 8 of positive pole 5, negative pole 6 respectively, so that electric current is by FTO conductive film heated glass window, power density is up to about 230W/m2.
Embodiment 5
Present embodiment discloses a kind of electrical heating automobile wind shield glass, structure is as shown in Figure 5 and Figure 6, for including the laminated glass of doubling layer 3 (PVB polyvinyl butyral resin), described laminated glass includes one layer of FTO conducting glass substrate 1 and one layer of common glass substrates 2, being printed or bonded with electrode on two edges that described FTO conducting glass substrate is relative, described electrode is connected with power sourced electric.The setting of electrode is the positive and negative electrode for applying heating power supply.It is appreciated that curved surface and the shape that can be processed into various automotive needs according to this electrical heating automobile wind shield glass.The sense of current 7 is as shown by arrows.
Described FTO conducting glass substrate is the borosilicate glass substrate that deposition has FTO conductive film.FTO is the transparency conducting layer of doped sno_2 fluorine.Described FTO conducting glass substrate thickness is: 2mm.The thickness of described FTO conductive film 12 is: 50nm.Simple glass thickness is 2mm.The surface resistance of described FTO conducting glass substrate is: 7ohm/.Described electrode is conduction Rhizoma Humatae Tyermanni.The power supply being applied on electrode is 36V power supply.
The preparation method of the present embodiment electrical heating automobile wind shield glass, comprises the following steps:
Step 1: the FTO conducting glass substrate 1 (surface resistance 7ohm/) that thickness is 2mm is cut (by trapezoidal cutting, a size of upper and lower two the parallel lines length of glass are respectively 1100mm, 1200mm, the two a width of 800mm of parallel lines), break limit, edging, hole, wash, surface dirt, greasy dirt, impurity etc. are cleaned up, glass substrate after washing is dried, and notices that the glass substrate after drying directly can not be touched with hands.
Step 2: at the oblique opposite side (two limits of irrelevancy row) of trapezoidal glass substrate conducting surface, conduction Rhizoma Humatae Tyermanni 4 wide for printing 10mm respectively, i.e. form positive pole 5, negative pole 6.
Step 3: be placed horizontally on mould by the above-mentioned FTO conducting glass substrate 1 handled well, delivers to heating furnace heating；When glass temperature reaches about 620 DEG C, glass is labelled to mould owing to action of gravity is sagging and shapes, and after keeping 10min, lowers the temperature at a slow speed, and cooling rate is 20 degree/min, directly obtains the bend glass of desired curvature.
Step 4: by the common glass substrates 2 of the thickness 2mm of same size after the process identical with step 3 with step 1, obtain the common glass substrates of desired curvature.Except for the difference that, common glass substrates 2 needs to hole in advance corresponding to the position of Ag bar one end of glass substrate 1, and aperture is 8mm.
Step 5: at FTO conducting glass substrate 1 and glass substrate 2 middle placing clamp glued membrane, after good position, as carrying out doubling in doubling stove.
Step 6: by aperture reserved in common glass substrates 2, respectively by positive pole: 5, the conduction Rhizoma Humatae Tyermanni 4 of negative pole 6 is connected with 36V power supply by wire, so that electric current is by FTO conductive film heated glass window, power density is up to about 230W/m2。
Embodiment 6
Present embodiment discloses a kind of electrical heating automobile wind shield glass, structure is as shown in Figure 7 and Figure 8, for including the laminated glass of doubling layer 3 (PVB polyvinyl butyral resin), described laminated glass includes one layer of FTO conducting glass substrate 1 and one layer of common glass substrates 2, being printed or bonded with electrode on two edges that described FTO conducting glass substrate is relative, described electrode is connected with power sourced electric.The setting of electrode is the positive and negative electrode for applying heating power supply.It is appreciated that curved surface and the shape that can be processed into various automotive needs according to this electrical heating automobile wind shield glass.The sense of current 7 is as shown by arrows.
Described FTO conducting glass substrate is the float-glass substrate that deposition has FTO conductive film.FTO is the transparency conducting layer of doped sno_2 fluorine.Described electrode is conduction Rhizoma Humatae Tyermanni.Described FTO conducting glass substrate thickness is: 3mm.The thickness of described FTO conductive film 12 is: 100nm.Described simple glass thickness is 3mm.The surface resistance of described FTO conducting glass substrate is: 10ohm/.The power supply being applied on electrode is 36V.
The preparation method of the present embodiment electrical heating automobile wind shield glass, comprise the following steps: step 1: the FTO conducting glass substrate 1 (surface resistance 10ohm/) that thickness is 3mm is cut (by trapezoidal cutting, a size of upper and lower two the parallel lines length of glass are respectively 1100mm, 1200mm, the two a width of 800mm of parallel lines), break limit, edging, hole, wash, surface dirt, greasy dirt, impurity etc. are cleaned up, glass substrate after washing is dried, and notices that the glass substrate after drying directly can not be touched with hands.
Step 2: at the upper end of trapezoidal glass substrate conducting surface and going to the bottom on (two limits being parallel to each other), conduction Rhizoma Humatae Tyermanni 4 wide for printing 10mm respectively, i.e. form positive pole 5, negative pole 6；
Step 3: by the common glass substrates 2 of the thickness 3mm of same size through the process identical with step 1, except for the difference that, common glass substrates 2 needs to hole in advance corresponding to the position of Ag bar one end of glass substrate 1, and aperture is 8mm.
Step 4: the above-mentioned FTO conducting glass substrate 1 handled well and common glass substrates 2 are alignd, be placed horizontally in together on mould, delivers to heating furnace heating；When glass temperature reaches about 600 DEG C, glass is labelled to mould owing to action of gravity is sagging and shapes, and after keeping 20min, lowers the temperature at a slow speed, and cooling rate is 30 degree/min, directly obtains the two panels bend glass that curvature is identical.
Step 5: at FTO conducting glass substrate 1 and glass substrate 2 middle placing clamp glued membrane, after good position, as carrying out doubling in doubling stove.
Step 6: by aperture reserved in common glass substrates 2, be connected with 36V power supply by wire by the conduction Rhizoma Humatae Tyermanni 4 of positive pole 5, negative pole 6 respectively, so that electric current is by FTO conductive film heated glass window, power density is up to about 160W/m2。
Embodiment 7
Present embodiment discloses a kind of electrical heating automobile wind shield glass, structure is as shown in Figure 9, for including the laminated glass of doubling layer 3 (PVB polyvinyl butyral resin), described laminated glass includes one layer of FTO conducting glass substrate 1 and one layer of common glass substrates 2, being printed or bonded with electrode on two edges that described FTO conducting glass substrate is relative, described electrode is connected with power sourced electric.The setting of electrode is the positive and negative electrode for applying heating power supply.It is appreciated that curved surface and the shape that can be processed into various automotive needs according to this electrical heating automobile wind shield glass.The sense of current 7 is as shown by arrows.
Described FTO conducting glass substrate is the float-glass substrate that deposition has FTO conductive film.FTO is the transparency conducting layer of doped sno_2 fluorine.Described electrode is conductive copper bar.Described FTO conducting glass substrate thickness is: 5mm.The thickness of described FTO conductive film 12 is: 200nm.Other thickness of glass described are 5mm.The surface resistance of described FTO conducting glass substrate is: 25ohm/.Described electrode is bus, conductive film or conducting resinl.The power supply being applied on electrode is 24V.
The preparation method of the present embodiment electrical heating automobile wind shield glass, comprises the following steps:
Step 1: the FTO conducting glass substrate 1 (surface resistance 7ohm/) of thickness 5mm is cut (by trapezoidal cutting, a size of upper and lower two the parallel lines length of glass are respectively 1100mm, 1200mm, the two a width of 800mm of parallel lines), break limit, edging, hole, wash, surface dirt, greasy dirt, impurity etc. are cleaned up, glass substrate after washing is dried, and notices that the glass substrate after drying directly can not be touched with hands；
Step 2: the above-mentioned FTO conducting glass substrate 1 handled well is placed horizontally on mould, deliver to heating furnace heating, when glass temperature reaches about 600 DEG C, glass is labelled to mould owing to action of gravity is sagging and shapes, after keeping 6min, lowering the temperature at a slow speed, cooling rate is 30 degree/min, directly obtains the bend glass of desired curvature.
Step 3: at the oblique opposite side (two limits of irrelevancy row) of trapezoidal glass substrate, uses conducting resinl to paste conductive copper bar 8 wide for 15mm respectively, i.e. forms positive pole 5, negative pole 6；
Step 4: by the common glass substrates 2 of the thickness 2mm of same size after the process identical with step 2 with step 1, obtain the common glass substrates 2 of desired curvature.Except for the difference that, common glass substrates 2 needs to hole in advance corresponding to the position of conductive copper bar one end of glass substrate 1, and aperture is 8mm.
Step 5: at FTO conducting glass substrate 1 and glass substrate 2 middle placing clamp glued membrane, after good position, as carrying out doubling in doubling stove.
Step 6: by aperture reserved in common glass substrates 2, be connected with 110V power supply by wire by the conductive copper bar 8 of positive pole 5, negative pole 6 respectively, so that electric current is by FTO conductive film heated glass window, power density is up to about 440W/m2。
The present invention is not limited to the electrical heating automobile wind shield glass described in above-described embodiment, the wherein change of FTO conducting glass substrate shape thicknesses, the change of electrode material size, the change of supply voltage, hot bending and the change of tempering treatment conditions, doubling processing method change all within protection scope of the present invention.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (7)
1. an electrical heating automobile wind shield glass, it is characterised in that include at least one of which FTO conduction glass
Glass substrate, two edges that described FTO conducting glass substrate is relative are printed or bonded with electrode, described
Electrode is connected with power sourced electric；This electrical heating automobile wind shield glass be processed into various automotive needs curved surface and
Shape；
Described FTO conducting glass substrate thickness is: 2mm～5mm；
The thickness of FTO conductive film is: 100nm～500nm；
The surface resistance of described FTO conducting glass substrate is: 3ohm/sq～100ohm/sq.
Electrical heating automobile wind shield glass the most according to claim 1, it is characterised in that described electrical heating
Automobile wind shield glass is the laminated glass including PVB layer, and described laminated glass includes at least one of which FTO
Conducting glass substrate, two edges that described FTO conducting glass substrate is relative are printed or bonded with electricity
Pole, described electrode is connected with power sourced electric.
Electrical heating automobile wind shield glass the most according to claim 1 or claim 2, it is characterised in that described
FTO conducting glass substrate is float-glass substrate or the borosilicate glass that deposition has FTO conductive film
Substrate, FTO conductive film is the transparency conducting layer of doped sno_2 fluorine.
Electrical heating automobile wind shield glass the most according to claim 1 or claim 2, it is characterised in that described
FTO electro-conductive glass is non-tempering or tempering.
Electrical heating automobile wind shield glass the most according to claim 1 or claim 2, it is characterised in that described electricity
Extremely bus, conductive film or conducting resinl.
Electrical heating automobile wind shield glass the most according to claim 1 or claim 2, it is characterised in that described electricity
Source is 5～220V power supplys.
Electrical heating automobile wind shield glass the most according to claim 1 or claim 2, it is characterised in that described electricity
The light transmittance of heating automobile wind shield glass is 10%～100%.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014100063424 | 2014-01-07 | ||
| CN201410006342.4A CN103802639A (en) | 2014-01-07 | 2014-01-07 | Automobile electric heating glass window and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104401207A CN104401207A (en) | 2015-03-11 |
| CN104401207B true CN104401207B (en) | 2016-11-30 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410006342.4A Pending CN103802639A (en) | 2014-01-07 | 2014-01-07 | Automobile electric heating glass window and manufacturing method |
| CN201420683924.1U Expired - Fee Related CN204222593U (en) | 2014-01-07 | 2014-11-14 | Electro heat automobile wind shield glass |
| CN201410649122.3A Expired - Fee Related CN104401207B (en) | 2014-01-07 | 2014-11-14 | Electrical heating automobile wind shield glass |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410006342.4A Pending CN103802639A (en) | 2014-01-07 | 2014-01-07 | Automobile electric heating glass window and manufacturing method |
| CN201420683924.1U Expired - Fee Related CN204222593U (en) | 2014-01-07 | 2014-11-14 | Electro heat automobile wind shield glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN103802639A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802639A (en) * | 2014-01-07 | 2014-05-21 | 大连七色光太阳能科技开发有限公司 | Automobile electric heating glass window and manufacturing method |
| CN106642938A (en) * | 2016-12-12 | 2017-05-10 | 常熟市发德玻璃有限公司 | Defrosting glass for display freezer and production method of defrosting glass |
| CN106739988A (en) * | 2017-01-20 | 2017-05-31 | 大连七色光太阳能科技开发有限公司 | Electrical heating vehicular windscreens glass |
| CN107539280B (en) * | 2017-02-06 | 2020-08-04 | 福耀集团长春有限公司 | Rear windshield glass with covered bus and processing technology thereof |
| CN107020925A (en) * | 2017-03-23 | 2017-08-08 | 合肥协耀玻璃制品有限公司 | A kind of rear windscreen of car glass |
| CN107546316B (en) * | 2017-08-22 | 2020-03-13 | 丁文兰 | Preparation method of toughened transparent conductive glass substrate and intelligent building glass |
| US11229091B2 (en) * | 2018-05-30 | 2022-01-18 | Betterfrost Technologies, Inc. | Continuous resistance and proximity checking for high power deicing and defogging systems |
| CN109159508A (en) * | 2018-09-10 | 2019-01-08 | 天津大学 | A kind of front windshield of vehicle |
| CN109375456A (en) * | 2018-11-22 | 2019-02-22 | 深圳市同为数码科技股份有限公司 | A kind of demisting component and its picture pick-up device and defogging method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10160806A1 (en) * | 2001-12-11 | 2003-06-26 | Saint Gobain Sekurit D Gmbh | Heating disc with an electrically conductive surface coating |
| CN202480838U (en) * | 2012-03-08 | 2012-10-10 | 泉州市博泰半导体科技有限公司 | Transparent solar automobile skylight |
| CN203151777U (en) * | 2012-08-24 | 2013-08-21 | 法国圣戈班玻璃公司 | Glass, laminated glass and automobile |
| CN102826763A (en) * | 2012-09-25 | 2012-12-19 | 上海北玻玻璃技术工业有限公司 | Method for producing transparent conducting oxide (TCO) coated glass |
| CN103802639A (en) * | 2014-01-07 | 2014-05-21 | 大连七色光太阳能科技开发有限公司 | Automobile electric heating glass window and manufacturing method |
-
2014
- 2014-01-07 CN CN201410006342.4A patent/CN103802639A/en active Pending
- 2014-11-14 CN CN201420683924.1U patent/CN204222593U/en not_active Expired - Fee Related
- 2014-11-14 CN CN201410649122.3A patent/CN104401207B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN204222593U (en) | 2015-03-25 |
| CN104401207A (en) | 2015-03-11 |
| CN103802639A (en) | 2014-05-21 |
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