PURPOSE: To provide a temperature control device which dispenses with a power transistor, a relay, etc., and also dispenses with their control circuits.
CONSTITUTION: In a temperature control device provided with a blower motor 1 to feed the air heated by a heat source, a temperature measuring instrument 5 to measure the temperature of the air heated by the blower motor 1, and a power source 2 to change the number of revolution of the blower motor based on the temperature measured by the temperature measuring instrument, the temperature measuring instrument 5 consists of the PCT thermistor group to which a plurality of PCT thermistors 5a-5c of different temperature characteristic in parallel, and the PCT thermistor group is connected in series to the power source 2 to change the number of revolution of the blower motor 1.
INOUE TERUHISA
TAKAMURA SATOSHI
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