KR20130101680A - Heating windshield for vehicle and method for controlling the same - Google Patents

Abstract

PURPOSE: A heating glass of the front side of a vehicle and an operational control method of the same are provided to properly select heating operational logic according to the current environmental conditions of a front glass by applying a layered heating wire structure capable of adjusting temperatures to the internal heating structure of the front glass. CONSTITUTION: A heating glass of the front side of a vehicle comprises a multi-layered film and a plurality of heating wires. The film is made of first and second PVC films (31,32) and is layered between an outer glass (10) and an inner glass (20). A heating wire includes a first heating wire (41), a second heating wire (42), and a third heating wire (43). The first heating wire is arranged between the outer glass and the first PVB film. The second heating wire is arranged between the first and second PVB films. The second heating wire is arranged between the inner glass and the second PVB film.

Description

Windshield for vehicle and method for controlling its operation {Heating windshield for vehicle and method for controlling the same}

The present invention relates to a vehicle front heating glass and a method of controlling the operation thereof, and more particularly, to improve the internal heating structure of the front heating glass and at the same time to properly select the heating operation logic according to the current environmental conditions of the glass. A heating glass and a method of controlling the operation thereof.

A general vehicle windshield, that is, a windshield glass, is made of a structure in which an outer glass 10 and an inner glass 20 are laminated with a PVB film 54 interposed therebetween, as shown in FIG. 7. There is no configuration and function for heat generation.

Therefore, if moisture, winter frost and ice caused by the indoor and outdoor temperature differences are caught in the windshield, there is no separate heat generation function in the windshield, which removes moisture and frost by operating a heater or air conditioner. This takes too long, especially frost and ice caught on the outside of the windshield is not easy to remove.

To this end, as shown in the accompanying FIG. 5, a front heating glass in which a heating means is mounted in the front glass is adopted.

That is, the outer glass 10 and the inner glass 20 are laminated with the PVB film 54 interposed therebetween, and a plurality of tungsten heating wires 55 are formed between the outer glass 10 and the PVB film 54. Exposed at equal intervals, a front heating glass having a structure in which a bus bar 44 for supplying power to a tungsten heating wire is formed at upper and lower ends of the windshield is adopted.

Accordingly, as shown in the accompanying flowchart of FIG. 6, when the switch is turned on, the battery current is supplied to the entire tungsten heating wire through the busbar, so that frost and ice trapped on the windshield may be easily removed due to the heating of the tungsten heating wire. Can be.

However, regardless of the environmental conditions of the windshield, i.e., even if moisture, frost, ice, etc. get caught in the windshield, the moisture can be quickly removed by heating the tungsten heating wire to the same temperature with a simple switch-on operation. There is a disadvantage that the removal of the back is not made smoothly.

The present invention has been made to solve the above problems, by applying a heat-generating structure configured inside the front heat generating glass as a temperature-controlled laminated hot wire structure to properly select the heating operation logic according to the current environmental conditions of the front glass. It is an object of the present invention to provide a vehicle front heating glass and a method of controlling the operation thereof.

One embodiment of the present invention for achieving the above object is a film of a plurality of layers laminated between the outer glass and the inner glass; A plurality of hot wires arranged between the outer glass and the film, between the film and the film, and between the inner glass and the film; It provides a front heating glass for a vehicle, characterized in that configured to include.

In one embodiment of the present invention, the film is composed of the first and second PVB film laminated between the outer glass and the inner glass, the heating wire is a first heating wire arranged between the outer glass and the first PVB film, and And a third heating wire arranged between the first and second PVB films, and a third heating wire arranged between the inner glass and the second PVB film.

Preferably, bus bars for power supply are independently connected to upper and lower ends of the second and third heating wires including the first heating wire.

More preferably, the first, second, third columns are characterized in that the staggered arrangement.

In addition, the first, second, third heating wire is characterized in that it is adopted as a tungsten heating wire.

In particular, the bus bar is connected to a push type switch for supplying or cutting off battery power to the first, second, and third row wires according to the number of presses, and a low indicator lamp lit on the front of the push type switch when the first row wire is operated. And a medium indicator lamp that is turned on during the simultaneous operation of the first and third wires, and a high indicator lamp that is turned on during the simultaneous operation of the first, second and third lines.

Another embodiment of the present invention for achieving the above object is: arranging the first and second PVB film between the outer glass and the inner glass, and the first heating wire between the outer glass and the first PVB film at the same time And arranging a second heating wire arranged between the second PVB films, and selectively heating only the first heating wire according to an environmental condition of the windshield while arranging a third heating wire arranged between the inner glass and the second PVB film. Provided is a method of controlling an operation of a front heating glass for a vehicle, wherein the first and third heating wires are simultaneously heated or both of the first, second and third heating wires can be simultaneously heated.

Preferably, when the environmental condition of the windshield is wet, only the first heating wire is selectively heated, and when the frost is applied, the first and third heating wires are heated at the same time. Characterized in that it can be heated at the same time.

Through the above-mentioned means for solving the problems, the present invention provides the following effects.

According to the present invention, the first, second and third heating wires are separately stacked in the front heating glass to heat only the first heating wire according to the current environmental conditions (moisture, frost, ice, etc.) of the front glass, or By heating the three heating wires at the same time or heating the first, second and third heating wires at the same time, it is possible to appropriately select the heating operation logic, thereby improving the convenience and utility of the front heating glass for the vehicle. Higher quality can be realized.

In addition, according to the environmental conditions of the windshield, by adjusting the degree of hot wire heating such as low / medium / high, it is possible to save by optimally using the battery power.

In addition, when frost or ice is caught on the windshield, the operation rate of the hot wire can be increased to quickly remove frost or ice.

1 is a view for explaining the structure of a vehicle front heating glass according to the present invention,
2 is a flowchart illustrating an operation control method of a vehicle front heating glass according to the present invention;
3 and 4 is a view showing a switch and operating conditions for operating the vehicle front heating glass according to the present invention,
5 and 6 are a schematic view of a conventional front heating glass and a flow chart for explaining the operation control method thereof;
7 is a schematic view showing a general windshield structure.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the front heating glass of the vehicle according to the present invention, that is, the windshield glass having heating means, is transparent for bonding and fixing a heating wire between the outer glass 10 and the inner glass 20. The first and second PVB films 31 and 32 are sequentially laminated and bonded, and the plurality of first heating wires 41 are equally spaced along the left and right directions between the outer glass 10 and the first PVB film 31 in the vertical direction. It is arranged to extend along.

In addition, a plurality of second heating wires 42 are stacked between the first and second PVB films 31 and 32, and the second heating wires 42 also extend along the vertical direction at equal intervals along the left and right directions. Are arranged.

In addition, a plurality of third heating wires 43 are stacked and arranged between the inner glass 20 and the second PVB film 32, and the third heating wires 43 also have an equal interval along the left and right directions and along the vertical direction. Are arranged to extend.

Preferably, the first, second, third heating wires (41, 42, 43) do not coincide along the thickness direction of the front heating glass, so that the heat of each of the heating wires (41, 42, 43) are alternately arranged It can be easily delivered to the outer glass 10 and the inner glass 20.

In this case, the first, second, and third heating wires 41, 42, and 43 are adopted as microwires made of a tungsten material that does not affect the transparency of the outer glass 10 and the inner glass 20.

In addition, the first heating wire 41 by independently connecting the bus bars 44 connected to the battery power to the upper and lower ends of the second and third heating wires 42 and 43 including the first heating wire 41. The bus bar 44 connected to the bus bar 44 connected to the second heating wire 42 and the bus bar 44 connected to the third heating wire 43 form an independent power supply line.

In addition, the bus bar 44 connected to the first heating wire 41, the bus bar 44 connected to the second heating wire 42, and the bus bar 44 connected to the third heating wire 43 may be pressed. Accordingly, the push switch 50 for selectively supplying or cutting off battery power is connected to the first, second, and third row wires 41, 42, and 43.

More specifically, as shown in FIG. 3 and FIG. 4, the front of the push-type switch 50 has a low indicator lamp 51 and a first and third row wires which are turned on when the first row wire 41 is operated. Medium indicator lamps 52 that light up during simultaneous operation of 41 and 43, and high indicator lamps 53 that light up during simultaneous operation of first, second, and third row wires 41, 42, and 43 are mounted side by side.

Here, the vehicle front heating glass operation control method of the present invention based on the above configuration will be described with reference to FIG.

As described above, the first and second PVB films 31 and 32 are arranged between the outer glass 10 and the inner glass 20, and the first heating wire is disposed between the outer glass 10 and the first PVB film 31. A third heat array 42 arranged between the first and second PVB films 31 and 32 and the third heat array 42 arranged between the inner glass 20 and the second PVB film 32. In a state in which the heating wires 43 are arranged, only the first heating wire 41 is selectively heated or the first and third heating wires 41 and 43 are simultaneously heated or the first, second, All three heating lines 41, 42, and 43 can be heated and operated simultaneously.

Preferably, when the environmental condition of the windshield is wet, only the first heating wire 41 is selectively heated, and when the frost is applied, the first and third heating wires 41 and 43 are simultaneously heated, By allowing both 1,2,3 heating wires (41, 42, 43) to be heated at the same time, it is possible to improve the convenience and usability of the front heating glass for the vehicle, to realize the luxury of the vehicle, and in particular the front glass In the case of frost or ice, it is possible to quickly remove frost or ice by increasing the utilization rate of the heating wire.

More specifically, when the environmental condition of the windshield is wet, when the push-type switch 50 is pressed once, the battery power is supplied to the first heating wire through the bus bar 44 connected to the first heating wire 41. By supplying only to 41), moisture trapped in the outer or inner glass can be easily removed. At this time, when the first heating wire 41 is operated, the low indicator lamp 51 formed on the front of the push-type switch 50 is turned on. Only the first heating wire 41 will indicate that the operation.

In addition, when the environmental condition of the windshield is frosted, when the push-type switch 50 is pressed twice, the battery power is supplied to the first heating wire 41 through the bus bar 44 connected to the first heating wire 41. By supplying the third heating wire 43 through the bus bar 44 connected to the third heating wire 43 at the same time, the frost caught in the outer or inner glass can be easily removed, wherein the first and third heating wires The medium indicator lamp 52 formed on the front of the push-type switch 50 is turned on during the operation of the 41 and 43 to indicate that the first and third heating lines 41 and 43 are operated.

In addition, when the environmental conditions of the windshield is iced due to freezing, such as snow, pressing the push-type switch 50 three times, the battery power is the first heating wire 41, the second heating wire 42 and the third By supplying all of the heating wires 43, ice or the like caught in the outer or inner glass can be easily removed. In this case, when the first, second and third heating wires 41, 42, 43 are operated, The high indicator lamp 53 formed on the front surface is turned on to indicate that the first, second, and third row wires 41, 42, and 43 are operated.

10: outer glass 20: inner glass
31: first PVB film 32: second PVB film
41: first heating wire 42: second heating wire
43: third heating line 44: bus bar
50: push type switch 51: low indicator lamp
52: medium indicator lamp 53: high indicator lamp
54: PVB film 55: hot wire

Claims (8)

A plurality of layers of films laminated between the outer glass 10 and the inner glass 20;
A plurality of hot wires arranged between the outer glass 10 and the film, between the film and the film, and between the inner glass 20 and the film;
Vehicle front heating glass, characterized in that configured to include.
The method according to claim 1,
The film is composed of first and second PVB films 31 and 32 laminated between the outer glass 10 and the inner glass 20,
The heating wire may include a first heating wire 41 arranged between the outer glass 10 and the first PVB film 31, a second heating wire 42 arranged between the first and second PVB films 31 and 32; A vehicle front heating glass, characterized in that consisting of a third heating wire (43) arranged between the inner glass 20 and the second PVB film (32).
The method according to claim 2,
Front heating glass for a vehicle, characterized in that the bus bar 44 for power supply is independently connected to the upper and lower ends of the second and third heating wires (42,43), including the first heating wire (41).
The method according to claim 2,
The first, second and third heating wires (41, 42, 43) is a front heating glass for a vehicle, characterized in that arranged alternately.
The method according to claim 2,
The first, second, third heating wires (41, 42, 43) is a front heating glass for a vehicle, characterized in that adopted as a tungsten heating wire.
The method according to claim 2,
The bus bar 44 is connected to a push switch 50 for selectively supplying or cutting off battery power to the first, second, and third row wires 41, 42, and 43 according to the number of presses, and the push type switch 50. The front surface of the low indicator lamp 51, which is turned on when the first heating line 41 is operated, the medium indicator lamp 52, which is turned on when the first and third heating lines 41, 43 are operated simultaneously, The front indicator heating glass for a vehicle, characterized in that side by side mounted high indicator lamps (53) which are turned on at the same time operating the three heating wire (41, 42, 43).
The first and second PVB films 31 and 32 are arranged between the outer glass 10 and the inner glass 20, and the first heating wire 41 is disposed between the outer glass 10 and the first PVB film 31. While arranging the second heating wire 42 arranged between the first and second PVB films 31 and 32, and the third heating wire 43 arranged between the inner glass 20 and the second PVB film 32. With the array
Depending on the environmental conditions of the windshield, only the first heating wire 41 is selectively heated, the first and third heating wires 41 and 43 are simultaneously heated, or the first, second, and third heating wires 41, 42 and 43 are all heated. Method for controlling the operation of the front heating glass for a vehicle, characterized in that the heating at the same time.
The method of claim 7,
When the environmental condition of the windshield is wet, only the first heating wire 41 is selectively heated, and in the case of frost, the first and third heating wires 41 and 43 are simultaneously heated. An operation control method for a front heating glass for a vehicle, characterized in that all three heating wires (41, 42, 43) can be heated at the same time.

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