The present invention relates to a vehicle air conditioning device and is to effectively and quickly heat the floor area inside a vehicle while minimizing energy consumption in a heating mode and to improve comfort inside the vehicle by differentiating the discharge air temperatures between the upper and lower parts of the vehicle. In a vehicle air conditioning device having an air inlet and an air outlet, the present invention comprises: a first heating heat exchanger for heating air introduced through the air inlet; a second heating heat exchanger capable of heating air passing through or bypassing the first heating heat exchanger; a second heating heat exchanger temperature sensor for detecting the temperature of the second heating heat exchanger; and a control unit provided to turn off the first heating heat exchanger and a blower and operate only the second heating heat exchanger to radiate heat to the vehicle interior when a heating load inside the vehicle decreases below a preset specific standard heating load and provided to control the second heating heat exchanger based on the sensing value of the temperature sensor of the second heating heat exchanger in a radiation heating mode.

    본 발명은 차량용 공조장치에 관한 것으로서, 난방모드 시에, 에너지 소모를 최소화시킬 수 있으면서도 차실내의 바닥면부분을 효과적이고도 빠르게 난방할 수 있고, 차실내 상,하측별 토출공기온도를 차등화시켜 차실내의 쾌적성을 개선시킬 수 있도록 하는 것을 목적으로 한다. 이러한 목적을 달성하기 위하여 본 발명은, 공기유입구와 공기토출구를 갖는 차량용 공조장치에 있어서, 공기유입구로 유입된 공기를 가열하는 제 1난방용 열교환장치와; 제 1난방용 열교환장치를 통과하거나, 또는 바이패스한 공기를 가열할 수 있는 제 2난방용 열교환장치와; 제 2난방용 열교환장치의 온도를 감지하는 제 2난방용 열교환장치 온도센서 및; 차실내 난방부하가 미리 설정된 특정 기준난방부하 미만으로 감소될 시에, 제 1난방용 열교환장치와 블로어를 오프(OFF)시키고 제 2난방용 열교환장치만 구동시켜 그 열로 차실내를 복사 난방하는 모드로 제어하고, 복사난방모드 시에는, 제 2난방용 열교환장치 온도센서의 센싱값을 근거로 제 2난방용 열교환장치를 제어하는 제어부를 구비한다.


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    Title :

    AIR CONDITIONING SYSTEM FOR AUTOMOTIVE VEHICLES


    Additional title:

    차량용 공조장치


    Contributors:
    OH DONG HOON (author) / KEON DAE BOK (author) / KIM YOUNG MIN (author)

    Publication date :

    2023-10-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    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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