JP3037315B1 - Ice and snow melting apparatus for vehicle and ice and snow melting method for vehicle - Google Patents

Abstract

An object of the present invention is to heat and melt ice and snow attached to a window glass of a vehicle in a short time by using an electromagnetic wave, and to quickly remove the melted ice and snow by a hard rubber portion, and after starting the vehicle. It is an object of the present invention to provide a vehicle ice and snow melting apparatus and a vehicle ice and snow melting method capable of securing a required field of view for a vehicle driver in a short time. SOLUTION: The magnetron 1 generates and outputs an electromagnetic wave.
A hard rubber portion 5 that slides along the surface of the window glass 10 of the vehicle to remove ice and snow melted by electromagnetic waves from the window glass 10 of the vehicle, and has a plurality of openings 3 and is radiated from the magnetron 1. A waveguide 2 for guiding electromagnetic waves to the opening 3, and the plurality of openings 3 transmit the electromagnetic waves propagating through the waveguide 2 to ice and snow attached to the surface of the window glass 10 of the vehicle near the hard rubber portion 5. Wiper 4 arranged to irradiate
And

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for heating and melting ice and snow attached to a window glass of a vehicle using electromagnetic waves in a short time, and quickly removing the melted ice and snow in a short time after the vehicle is started. The present invention relates to an ice and snow melting apparatus for a vehicle and a method for melting ice and snow for a vehicle, which can ensure a necessary field of view for a vehicle driver.

[0002]

2. Description of the Related Art A conventional anti-fog glass for a vehicle will be described with reference to FIG. FIG. 2 shows a conventional ice melting device for a vehicle using anti-fog glass for a vehicle. In the conventional snow melting apparatus for a vehicle, the heating conductive wire 11 shown in FIG. 2 generates heat (generation of Joule heat) according to the dielectric loss of the conductive wire and the flowing current by the DC power supply 12 supplied from both ends. The generated heat is transmitted to the window glass 10 of the vehicle, and raises the melting temperature of ice or snow frozen on the surface of the window glass 10 or more. Thereby, ice and snow on the surface of the window glass 10 of the vehicle that hinders the driver's view can be melted. Here, the usual purpose of using the anti-fog glass for a vehicle is to use heat conduction to the window glass 10 of the vehicle, and to generate fine water droplets generated by a temperature difference between the outside and the inside of the vehicle and adhered to the inside of the window glass 10 of the vehicle. Is volatilized to secure the driver's view.

[0003]

However, the prior art ice / snow melting apparatus for a vehicle using the anti-fog glass for a vehicle has the following problems. The first problem is that the driver cannot secure a sufficient field of view because the heating conductive wire 11 is provided on the window glass 10 of the vehicle. The second problem is that when the frozen ice and snow is melted on the window glass 10 of the vehicle, the electric heating effect of the conductive wire is used secondarily. Since the melting time is extremely long, it is not suitable as a means for melting ice and snow. The present invention has been made in view of such a problem, and an object of the present invention is to heat and melt ice and snow attached to a window glass of a vehicle in a short time by using an electromagnetic wave, and to remove the melted ice and snow. It is an object of the present invention to provide a vehicle ice and snow melting apparatus and a vehicle ice and snow melting method that can be promptly removed to secure a necessary field of view for a vehicle driver in a short time after starting the vehicle.

[0004]

The gist of the present invention resides in that ice and snow attached to a window glass of a vehicle is heated and melted in a short time using electromagnetic waves, and ice and snow melted by heat is removed. An ice and snow melting device for a vehicle that can secure the required field of view for a vehicle driver in a short time after the vehicle starts, and a magnetron that generates and outputs electromagnetic waves, and an electromagnetic wave that slides along the surface of a window glass of a vehicle. An elastic blade for removing ice and snow heated and melted from the window glass of the vehicle, and a waveguide having a plurality of openings and guiding electromagnetic waves radiated from the magnetron to the openings, and a plurality of the openings. And a wiper disposed to irradiate electromagnetic waves propagating through the waveguide to ice and snow attached to the surface of the window glass of the vehicle near the elastic blade. It resides in the solution apparatus. The gist of claim 2 of the present invention is characterized in that each of the plurality of openings has an opening shape that radiates electromagnetic waves toward a window glass of a vehicle. In the vehicle ice and snow melting device. The gist of claim 3 of the present invention is characterized in that the size of each of the plurality of openings is set to be longer than the wavelength of the electromagnetic wave emitted from the magnetron. A vehicle ice melting device according to claim 1 or 2. Further, the gist of claim 4 of the present invention is to heat and melt ice and snow attached to a window glass of a vehicle in a short time using electromagnetic waves, and to remove the heat and melted ice and snow in a short time after the vehicle starts. A method for melting ice and snow for a vehicle that secures a required field of view for a vehicle driver, comprising: an electromagnetic wave generation step of generating and outputting an electromagnetic wave; and a plurality of electromagnetic waves generated and output in the electromagnetic wave generation step via a waveguide. Guiding the electromagnetic wave propagating through the waveguide to ice and snow attached to the surface of the window glass of the vehicle near the elastic blade from each of the plurality of openings; Removing the ice and snow that has been heated and melted by electromagnetic waves by sliding along the surface of the glass from the window glass of the vehicle using an elastic blade. Exist for. The gist of claim 5 of the present invention is that the electromagnetic wave propagating through the waveguide has a plurality of apertures each having a size equal to or longer than a wavelength of the electromagnetic wave emitted from the electromagnetic wave generating step. 5. The method according to claim 4, further comprising the step of irradiating ice and snow attached to the surface of the window glass of the vehicle near the elastic blade from each of the openings. The gist of claim 6 of the present invention is that an electromagnetic wave is emitted from the magnetron, an electromagnetic wave emitted from the magnetron is supplied to the waveguide, and the inside of the waveguide is directed toward the opening. Radiating the electromagnetic waves transmitted to the window glass of the vehicle from the opening of the waveguide toward the window glass of the vehicle, and using the ice and snow frozen on the surface of the window glass of the vehicle to determine the electromagnetic waves radiated from the opening. The method according to claim 1, further comprising a step of heating and melting by generating heat according to the electric wave component of the standing wave and / or the dielectric loss of the ice and snow itself, and a step of removing the ice and snow melted by heating on the surface of the window glass of the vehicle. 4. The method for melting ice and snow for vehicles according to 4 or 5.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a functional block diagram for explaining one embodiment of a vehicle ice / snow melting apparatus and a vehicle ice / snow melting method according to the present invention. The present embodiment is a technology for removing ice and snow attached to the surface of a window glass 10 of a vehicle, and has a feature in that a good visibility can be secured quickly immediately after the vehicle is started in a severe winter. I have. Referring to FIG. 1, a magnetron 1 is means for emitting (generating and outputting) an electromagnetic wave. The electromagnetic wave radiated from the magnetron 1 is guided to the plurality of openings 3 by the waveguide 2 and irradiated toward ice and snow attached to the surface of the window glass 10 of the vehicle, and adheres to the surface of the window glass 10 of the vehicle. It is used to heat and melt the frozen ice and snow. The wiper 4 is configured by integrating the waveguide 2, the opening 3, and the elastic blade (hard rubber portion) 5. The elastic blade (hard rubber part) 5 connected to the driving part 6 slides along the surface of the window glass 10 of the vehicle, and is melted by ice and snow heated by the electromagnetic wave irradiated from the opening 3 of the waveguide 2. Is removed from the window glass 10 of the vehicle. Thereby, ice and snow attached to the surface of the window glass 10 of the vehicle are heated and melted in a short time using electromagnetic waves,
Since the ice and snow that has been heated and melted is quickly removed by the elastic blade (hard rubber portion) 5, a required field of view for the vehicle driver can be secured in a short time after the vehicle is started.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Referring to FIG. 1, the ice melting device for a vehicle includes a magnetron 1, a wiper 4, a driving unit 6, a power supply unit 7, an electromagnetic control unit 8, and a wiper control unit 9.
The wiper 4 includes a waveguide 2 having a plurality of openings 3 and an elastic blade (hard rubber portion) 5. The magnetron 1 emits an electromagnetic wave. The waveguide 2 guides the emitted electromagnetic waves to the plurality of openings 3. Power supply unit 7 is magnetron 1
And power to the drive unit 6. The electromagnetic control unit 8 controls the power supply unit 7 to control the oscillation of the magnetron 1 (the operation of emitting electromagnetic waves). The wiper control unit 9 controls the drive unit 6 to control the sliding of the wiper 4. The elastic blade (hard rubber portion) 5 cleans the window glass 10 of the vehicle by removing ice snow and normal rain heated and melted by the electromagnetic wave irradiated from the opening 3 of the waveguide 2 from the window glass 10 of the vehicle. . Further, in the above configuration, the waveguide 2 provided in the wiper 4 is a good electrical conductor and has a plurality of openings 3. The plurality of openings 3 have an opening shape that irradiates electromagnetic waves toward the window glass 10 of the vehicle. The size of the opening is set to be longer than the wavelength of the electromagnetic wave emitted from the magnetron 1. Thereby, the electromagnetic wave propagating through the waveguide 2 can be efficiently radiated toward the window glass 10 of the vehicle. Further, the wiper 4 has a shape in which the waveguide 2, the opening 3, and the elastic blade (hard rubber portion) 5 are integrated, and is reciprocated along the surface of the window glass 10 of the vehicle by the driving unit 6. Although the configuration of the embodiment has been described in detail above, the wiper 4 and the driving unit 6 in FIG.
Is well known to those skilled in the art, and thus the detailed configuration is omitted.

Next, the operation of the vehicle ice melting device and the vehicle ice melting method will be described. In FIG. 1, the electromagnetic control unit 8
An electromagnetic wave is emitted from the magnetron 1 whose oscillation is controlled by the electromagnetic wave, and the electromagnetic wave emitted from the magnetron 1
Is supplied to the electromagnetic wave transmitted through the waveguide 2 in the direction of the opening 3 through the opening 3 of the waveguide 2.
Irradiated toward. Ice and snow frozen on the surface of the window glass 10 of the vehicle is heated and melted when electromagnetic waves are radiated from the opening 3 because heat is generated according to the dielectric loss of the ice and snow itself and the standing wave electric field component of the electromagnetic waves. At this time, the wiper 4 reciprocates on the surface of the window glass 10 of the vehicle, thereby expanding the area of the heated and melted ice and snow, while removing and cleaning the heated and melted ice and snow on the surface of the window glass 10 of the vehicle with an elastic blade. (Hard rubber part) 5.

As described above, according to the present embodiment, the following effects can be obtained. First, it can converge to the point where it is desired to melt an electromagnetic wave having a much larger melting energy than Joule heat using a heating wire,
Since the ice and snow attached to the surface of the window glass 10 of the vehicle can be quickly heated and melted, the ice and snow on the surface of the window glass 10 of the vehicle can be quickly and completely removed and cleaned. Compared to the anti-fog glass for a vehicle using the ridge 11, a much better visibility can be secured. Second, since the heating and melting on the surface of the window glass 10 of the vehicle due to the self-heating of the ice and snow attached to the surface of the window glass 10 of the vehicle is used, the ice and snow due to secondary heat conduction such as using the heat generated by the heater is used. Compared to melting, ice and snow removal that is not affected by ambient temperature while maintaining high thermal efficiency even in severe winter can be realized.

It should be noted that the present invention is not limited to the above embodiments, and each embodiment can be appropriately modified within the scope of the technical idea of the present invention. Further, the number, position, shape, and the like of the constituent members are not limited to the above-described embodiment,
The number, position, shape, and the like suitable for carrying out the present invention can be obtained.

[0010]

Since the present invention is configured as described above, the following effects can be obtained. The first effect is that electromagnetic waves having much higher melting energy than Joule heat using a heating wire can be converged to a point at which melting is desired, and ice and snow attached to the surface of a vehicle window glass can be quickly removed. Can be heated and melted from the surface of the vehicle, enabling quick and complete removal and cleaning of ice and snow on the surface of the vehicle window glass,
Compared to a fogging glass for a vehicle in which a conductive wire for heating is used for a window glass of a vehicle, a much better visibility can be secured. The second effect is that the heating and melting on the surface of the window glass of the vehicle due to the self-heating of the ice and snow attached to the surface of the window glass of the vehicle makes use of the secondary heat conduction such as using the heat generated by the heater. Compared to melting, it can achieve ice and snow removal that is not affected by the ambient temperature while maintaining high thermal efficiency even in severe winter.

[Brief description of the drawings]

FIG. 1 is a functional block diagram for explaining an embodiment of a vehicle ice and snow melting apparatus and a vehicle ice and snow melting method according to the present invention.

FIG. 2 shows a prior art ice and snow melting apparatus for vehicles using anti-fog glass for vehicles.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Magnetron 2 ... Waveguide 3 ... Opening 4 ... Wiper 5 ... Elastic blade (hard rubber part) 6 ... Drive part 7 ... Power supply part 8 ... Electromagnetic control part 9 ... Wiper control part 10 ... Window glass

Claims (6)

(57) [Claims] 1. A method for heating and melting ice and snow attached to a window glass of a vehicle using electromagnetic waves in a short time, removing the ice and snow that has been heated and melted, and increasing a visibility required for a vehicle driver in a short time after starting the vehicle. A magnetron that generates and outputs electromagnetic waves, and an elastic blade that slides along the surface of the vehicle window glass to remove ice and snow heated and melted by the electromagnetic waves from the vehicle window glass. And a waveguide having a plurality of openings and guiding electromagnetic waves emitted from the magnetron to the openings,
A plurality of the openings having a wiper arranged to irradiate the electromagnetic wave propagating through the waveguide to ice and snow attached to a surface of a window glass of a vehicle near the elastic blade. Snow melting equipment for vehicles. 2. The apparatus for melting snow and ice for a vehicle according to claim 1, wherein each of the plurality of openings has an opening shape for emitting an electromagnetic wave toward a window glass of the vehicle. 3. The method according to claim 1, wherein the size of each of the plurality of openings is set to be equal to or greater than the wavelength of the electromagnetic wave emitted from the magnetron. Ice melting equipment for vehicles. 4. A method for heating and melting ice and snow attached to a window glass of a vehicle using electromagnetic waves in a short time, removing the ice and snow that has been heated and melted, and increasing the visibility required by a vehicle driver in a short time after the vehicle is started. An ice and snow melting method for a vehicle for securing, comprising: an electromagnetic wave generating step of generating and outputting an electromagnetic wave; and a step of guiding the electromagnetic wave generated and output in the electromagnetic wave generating step to each of a plurality of openings via a waveguide. Irradiating electromagnetic waves propagating through the waveguide from each of the plurality of openings to ice and snow attached to the surface of the vehicle window glass near the elastic blade, and sliding along the surface of the vehicle window glass. Removing the ice and snow heated and melted by the electromagnetic wave from the window glass of the vehicle using an elastic blade. 5. The electromagnetic wave propagating through the waveguide is transmitted from each of the plurality of openings whose opening size is set to be equal to or longer than the wavelength of the electromagnetic wave emitted from the electromagnetic wave generating step. The method for melting ice and snow for vehicles according to claim 4, further comprising a step of irradiating ice and snow attached to the surface of the window glass of the vehicle near the elastic blade. 6. A step of emitting an electromagnetic wave from the magnetron, a step of supplying the electromagnetic wave emitted from the magnetron to the waveguide, and a step of: transmitting the electromagnetic wave transmitted through the waveguide toward the opening. Radiating from the opening of the waveguide toward the window glass of the vehicle; and freezing ice and snow on the surface of the window glass of the vehicle with a standing wave electric field component of electromagnetic waves and / or ice and snow radiated from the opening. The vehicle according to claim 4 or 5, further comprising: a step of heating and melting by generating heat according to its own dielectric loss; and a step of removing ice and snow melted on the surface of the window glass of the vehicle by heating. Ice and snow melting method.