Electric heating – Heating devices – Combined with diverse-type art device
Patent
1990-09-25
1992-10-27
Reynolds, Bruce A.
Electric heating
Heating devices
Combined with diverse-type art device
219543, 219541, 219537, 392436, 338316, 338318, H05B 334, F24D 1300, F24D 1902
Patent
active
051591766
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a device for heating, by infrared radiation, fixed on a wall or the ceiling of a room of a building, in order to ensure heating of that room.
Heating devices of this type are already known which use infrared radiation emitter elements heated by Joule effect and connected, to that end, to a source of electric current. The infrared radiation emitter elements are constituted by sheets, films, fabrics, etc... made of electrically conducting material and which are stretched at a certain distance from the wall or the ceiling of the room to be heated. Such devices are described for example in Patents DE-0-2 202 208 and DE-A-2 310 119.
As described in Patent DE-0-3 026 098, a device for heating by the floor is also known, which essentially comprises an electrically conducting metal sheet extending along a sinuous path or forming meanders imbricated in one another and which bears, at its two ends, terminals for connection to a source of electrical supply. In this device, the metal sheet is hermetically enclosed between two sheets of plastics material, by welding of these sheets, and this assembly is fixed, by means of clips, under a textile covering constituting the floor of the room to be heated. The electrical supply of the heating metal sheet is effected at low voltage, less than 42 volts, via a transformer and a current regulator. Such a heating device is particularly advantageous because it is completely safe as far as the risks of fire are concerned, due to its low-voltage supply. However, as it is incorporated in the carpet placed on the floor of a room to be heated, it must be fitted exactly to the dimensions of this room. Furthermore, it can only be used on the floor and is absolutely unfit for an installation on a wall or beneath a ceiling, which may be desirable in many cases for reasons of convenience of installation and of efficiency of heating.
The present invention concerns improvements made to these heating devices so as to procure a device presenting total operational safety, particularly with regard to risks of fire, ensuring an efficient and adjustable heating as desired and able easily to be installed on a wall or beneath a ceiling of a room.
To that end, this device for heating by infrared radiation, fixed on a wall or beneath the ceiling of a room of a building, comprising a flat infrared radiation emitter constituted by a sheet made of an electrically conducting material connected to a source of supply of low-voltage electric current, is characterized in that the electrically conducting sheet forms part of a composite band and it is coated, on its face turned towards the interior of the room to be heated, with a thin black layer, with high emissive power, and, on the opposite side, with a sheet forming reflector of the infrared radiation in the direction of the interior of the room.
An embodiment of the present invention will be described hereinafter by way of non-limiting example, with reference to the accompanying drawing, in which:
FIG. 1 is a plan view of a device for heating by infrared radiation according to the invention, mounted beneath the ceiling of a room.
FIG. 2 is a view in vertical section made along line II--II of FIG. 1.
FIG. 3 is a view in vertical and transverse section, on a larger scale, of an elementary composite band forming part of the heating device.
FIG. 4 is a view in elevation of a device for the electrical connection of a supply cable and an electrically conducting sheet.
The heating device according to the invention which is indicated as a whole by reference 1 in FIGS. 1 and 2, extends horizontally beneath the ceiling 2 of a room to be heated, between the walls 3 of this room. However, such assembly is not limiting and the heating device 1 might equally well extend vertically, parallel to a wall 3.
The heating device 1 is constituted by a plurality of parallel composite bands 4 which extend in the same horizontal plane. Each composite band 4, of rectangular shape, comprises, in its lower part, a thin sheet 5 having for example a th
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Jeffery John A.
Reynolds Bruce A.
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