The invention relates to the field of household appliances, and provides a small cooling and heating device. The small cooling and heating device comprises a cooling box, a heating box and a semiconductor refrigeration chip, wherein the cooling box and the heating box are connected with each other, and the semiconductor refrigeration chip is arranged in the connected side walls of the cooling box and the heating box. The small cooling and heating device is characterized by further comprising a heat exchanger, a temperature sensor I, a temperature sensor II, a microprocessor, a PID controller and an adjustable power supply module. An air supply opening and an air return opening are formed in the side walls of the heating box respectively. According to the invention, the purpose of changing the temperature of the air in the heating box is achieved, and part of waste heat generated by an engine is transferred to the heating box.


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    Title :

    Small cooling and heating device


    Contributors:

    Publication date :

    2015-12-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht



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