FIELD: machine building.
SUBSTANCE: invention relates to air heaters with forced air circulation with direct contact of air with heating medium, in particular with electric heating element, and can be used to maintain a given temperature in a closed room in winter. Heat gun comprises cylindrical housing with posts fixed on its side surfaces, closed on one side by end mesh outlet cover, and electric motor installed in housing, on shaft of which rotor is installed fan. At the same time the first, second and third electric heaters and also the device temperature sensor are installed in the housing. To power inputs of electric motor, as well as to electric heaters power outputs of control unit are connected, wherein device temperature sensor and additional ambient temperature sensor are connected to its measuring inputs.
EFFECT: possibility of maintaining preset room temperature with the help of heating device.
4 cl, 3 dwg
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