Device for heating a vehicle cover
A device for a vehicle, comprising a cover, a source of electromagnetic heating radiation, which is used to heat the cover, as well as a light guide, through which the heating radiation emerging from the source of electromagnetic heating radiation is guided to the cover.
1 . A device for heating a cover of a vehicle, the device comprising:
a cover;
a source providing electromagnetic heating radiation, which is used to heat the cover; and
a light guide, the electromagnetic heating radiation emitted by the source of the electromagnetic heating radiation being coupled into the light guide and guided through the light guide to the cover,
wherein the source of the electromagnetic heating radiation comprises at least one light-emitting diode, and
wherein the light guide is designed as a plate, which is arranged between the at least one light-emitting diode and the cover, the light guide being arranged on a back side of the cover, and wherein the light guide abuts the cover.
2 . The device according to claim 1 , wherein the cover is a cover of a sensor device or a headlight or a tail light or a part of a front panel or a bumper.
3 . The device according to claim 1 , wherein the cover is made from a material or comprises a material which at least partially absorbs the electromagnetic heating radiation.
4 . The device according to claim 1 , wherein the at least one light-emitting diode is able to emit electromagnetic heating radiation in a red or infrared wavelength range in a wavelength range between 600 nm and 1100 nm.
5 . The device according to claim 1 , wherein the light guide is roughened in at least one area, from which the electromagnetic heating radiation is to emerge into the cover.
6 . The device according to claim 1 , wherein the light guide is transparent for the electromagnetic heating radiation, and wherein the light guide is made from polycarbonate, polymethyl methacrylate, polystyrene or quartz glass, or comprises polycarbonate, polymethyl methacrylate, polystyrene or quartz glass.
7 . The device according to claim 1 , further comprising a sensor unit, which emits or receives electromagnetic radiation, such that the electromagnetic radiation emitted by the sensor unit or received by the sensor unit passes through the cover during the operation of the device.
8 . The device according to claim 7 , wherein the source of the electromagnetic heating radiation is situated at a distance from the sensor unit.
9 . The device according to claim 7 , wherein the sensor unit is a radar unit.
10 . The device according to claim 7 , wherein the electromagnetic radiation emitted by the sensor unit or received by the sensor unit is a radiation in the microwave range having a wavelength range between 1 mm and 100 mm.
11 . The device according to claim 7 , wherein the cover is made from a material or comprises a material which is transparent for the electromagnetic radiation emitted by the sensor unit or received by the sensor unit.
12 . The device according to claim 7 , further comprising a housing, in which the sensor unit is at least partially accommodated, wherein the cover at least partially closes the housing.