Heat shield sheet and vehicle with heat shield sheet
A heat shield sheet stacked at an upper surface of an upper plate of a vehicle includes a low emissivity coating layer having a white color, a base sheet on which the low emissivity coating layer is stacked, and a colored infrared transparent layer that is stacked on a solar radiation side of the low emissivity coating layer and transmits infrared rays. Since the low emissivity coating layer is a white color, the reflectance of sunlight is high. Therefore, the solar heat can be reflected efficiently by the low emissivity coating layer.
1. A heat shield sheet for a vehicle, stacked on an upper surface of an upper plate of the vehicle, the heat shield sheet comprising:
a low emissivity coating layer having a white color;
a base sheet on which the low emissivity coating layer is stacked; and
a colored infrared transparent layer stacked on a solar radiation side of the low emissivity coating layer and configured to transmit infrared rays.
2. The heat shield sheet for a vehicle according to claim 1 , wherein
the low emissivity coating layer is made of an infrared transmissive base material, and a high reflectance powder having an infrared reflectance, which is dispersed in the infrared transmissive base material.
3. The heat shield sheet for a vehicle according to claim 1 , further comprising
a colorless and infrared transparent top coat layer stacked on the colored infrared transparent layer.
4. The heat shield sheet for a vehicle according to claim 3 , wherein
the colored infrared transparent layer is a single layer.
5. The heat shield sheet for a vehicle according to claim 3 , wherein
the colored infrared transparent layer includes a black paint layer which transmits infrared ray and stacked at the upper side of the base material sheet, and a decorative paint layer that is stacked on the black paint layer, is colored to be different from black and transmits infrared rays.
6. The heat shield sheet for a vehicle according to claim 5 , wherein
the decorative paint layer is made of a layer in which mica is dispersed in an infrared transparent paint.
7. The heat shield sheet for a vehicle according to claim 1 , wherein
the colored infrared transparent layer is a top layer and is configured to have an ultraviolet-transmission suppressing function.
8. The heat shield sheet for a vehicle according to claim 1 , wherein the base sheet is flexible.
9. The heat shield sheet for a vehicle according to claim 1 , wherein the base sheet is arranged at the upper surface of the upper plate of the vehicle to be opposite to an electronic device of the vehicle with respect to the upper plate.
10. The heat shield sheet for a vehicle according to claim 1 , wherein the base sheet is arranged to cover an upper surface of an antenna device of the vehicle.
11. A vehicle comprising:
the heat shield sheet according to claim 1 , installed at the upper surface of the upper plate of the vehicle; and
an electronic device installed at a position opposite to the heat shield sheet with respect to the upper plate.
12. A vehicle configured to transmit electrical wave, the vehicle comprising:
an antenna device installed at the upper surface of the upper plate to transmit or receive electrical waves;
an antenna cover extending from the upper surface of the upper plate around the antenna device to cover an upper side of the antenna device and to transmit the electrical waves; and
the heat shield sheet according to claim 1 , installed at an upper surface of the antenna cover.