The present disclosure relates to a heater in which a capacitive power control pattern is implemented, and an apparatus therefor. A heater comprising: first and second base materials that are separated in the vertical direction so as to have an internal space therebetween; a heater electrode pattern provided in the internal space; and a plurality of sheet-type heating elements provided in the internal space so as to be electrically connected to the heater electrode pattern, comprises a capacitance pattern for causing a change in capacitance in the region between the sheet-type heating elements according to a hovering movement above the second base material, wherein heater power to be supplied to the sheet-type heating elements through the heater electrode pattern can be controlled according to the hovering movement recognized in response to the change in capacitance.

A heating control circuit to improve safety of electric blankets and similar electric heating devices, the heating control circuit can accurately control a heating temperature, can detect a working state of key elements, and can prevent a local temperature of an electric heating wire from being too high and causing a fire, thereby ensuring the safety of users. In order to achieve the above objective, the present invention adopts the following technical solution: a heating control circuit configured to control power of an electric heating element includes: a temperature sensing element, having positive temperature coefficient (“PTC”) characteristics and configured to sense a temperature of the electric heating element to generate a temperature voltage; a first comparison circuit, configured to compare the temperature voltage with a reference voltage to generate a comparison signal; a controller, configured to output an on-off control signal according to the comparison signal; and a first switching element, coupled into a ground loop of the electric heating element and configured to switch on or off a power loop of the electric heating element based on the on-off control signal.

An occupant support surface heater includes a foundation, a cover, an optional comfort layer, an activation layer, and at least one bus bar secured between the foundation and the cover. The foundation may include a foam pad and the comfort layer includes a conductive material mat that is contiguous with the foundation. The activation layer includes thermally conductive material in the form of an inorganic or organic nanotube structure to provide efficient thermal diffusion and heat delivery for the occupant support. The occupant support surface heater may be used to heat an occupant in the occupant support or to provide heat at a predetermined temperature for a predetermined period of time in order to destroy live viruses or live bacteria at a surface of the unoccupied occupant support.

An occupant support surface heater includes a foundation, a cover, an optional comfort layer, an activation layer, and at least one bus bar secured between the foundation and the cover. The foundation may include a foam pad and the comfort layer includes a conductive material mat that is contiguous with the foundation. The activation layer includes thermally conductive material in the form of an inorganic or organic nanotube structure to provide efficient thermal diffusion and heat delivery for the occupant support. The occupant support surface heater may be used to heat an occupant in the occupant support or to provide heat at a predetermined temperature for a predetermined period of time in order to destroy live viruses or live bacteria at a surface of the unoccupied occupant support.

The disclosure relates to the use of a composite material as electro-thermal material in a process for the production of an electrical heating panel, wherein the electrical heating panel comprises at least one device selected from a plate, a sheet or a film, wherein said device has one or more layers wherein at least one layer is a heating layer made of a composite material comprising a first polymer which is one or more amorphous polymers or one or more semi-crystalline polymers selected from polyethylene and/or polypropylene; and from 2.0 to 20.0 wt. % of carbon particles and wherein the heating layer or at least one heating layer has a thickness ranging from 100 μm to 4.0 mm. The disclosure also relates to the use of such electrical heating panel in a motor vehicle.

The disclosure relates to the use of a composite material as electro-thermal material in a process for the production of an electrical heating panel, wherein the electrical heating panel comprises at least one device selected from a plate, a sheet or a film, wherein said device has one or more layers wherein at least one layer is a heating layer made of a composite material comprising a first polymer which is one or more amorphous polymers or one or more semi-crystalline polymers selected from polyethylene and/or polypropylene; and from 2.0 to 20.0 wt. % of carbon particles and wherein the heating layer or at least one heating layer has a thickness ranging from 100 μm to 4.0 mm. The disclosure also relates to the use of such electrical heating panel in a motor vehicle.

An apparatus is disclosed. The apparatus has an outer housing, an inner housing disposed in the outer housing and forming a gap between an exterior surface of the inner housing and an interior surface of the outer housing, one or more thermal devices disposed in the gap, and an electrical port disposed in or on the outer housing and electrically connected to the one or more thermal devices.

In manufacturing an electrothermal heater mat, there is provided a preform which comprises a laminated stack of dielectric layers which are made of thermoplastic material and include a central layer or group of layers which include(s) reinforcement and first and second outer groups of layers which do not include reinforcement. The preform includes a heater element and the preform has a first configuration. The preform is then heated to a temperature (e.g. 180° C.) between the glass-transition temperature of the thermoplastic material and the melting point of the thermoplastic material, and the heated preform is formed into a second configuration which is different to the first configuration so as to produce the heater mat.

In manufacturing an electrothermal heater mat, there is provided a preform which comprises a laminated stack of dielectric layers which are made of thermoplastic material and include a central layer or group of layers which include(s) reinforcement and first and second outer groups of layers which do not include reinforcement. The preform includes a heater element and the preform has a first configuration. The preform is then heated to a temperature (e.g. 180° C.) between the glass-transition temperature of the thermoplastic material and the melting point of the thermoplastic material, and the heated preform is formed into a second configuration which is different to the first configuration so as to produce the heater mat.

An electric heating apparatus for deicing, a method for manufacturing the electric heating apparatus for deicing, a blade and a wind turbine including the same. The electric heating apparatus for deicing includes: a heat generating module, including a heat generating element and a bus bar for conducting electricity to the heat generating element, where the bus bar includes a lead-out portion for connecting an external power source; a thermally conductive encapsulating layer, which is insulated and is to cover the heat generating module except the lead-out portion; and a first substrate and a second substrate, respectively arranged below and above the thermally conductive encapsulating layer, so that the heat generating module and the thermally conductive encapsulating layer are arranged between the first substrate and the second substrate.