The invention provides an internal and external circulation box which is applied to an air conditioning system, the air conditioning system comprises a volute, the internal and external circulation box comprises a box body, a flow guide part is arranged between an air outlet channel of the box body and the volute, and the flow guide part guides airflow flowing through the air outlet channel of thebox body to converge to the volute. The invention further provides an air conditioning system which is applied to an automobile and comprises the internal and external circulation box and the volute.The invention further provides an automobile comprising the air conditioning system. The flow guide part is arranged at the air outlet channel of the box body and the inlet of the volute to guide airflow flowing through the air outlet channel of the box body to converge to the inlet of the volute, and the airflow can smoothly flow into the volute. Due to the guidance of the flow guide part, the resistance of air in the flowing process is reduced, and the speed loss of airflow is reduced; besides, the change amplitude of the air flowing direction is small, when the air flows in other areas converge, disturbance to the air flows in the other areas is weakened, turbulence is not prone to occurring, and therefore noise is lowered.

    本发明提供一种内外循环箱,应用于空调系统,空调系统包括蜗壳,内外循环箱包括箱体,箱体的出气通道与蜗壳之间设有导流件,导流件引导流经箱体的出气通道的气流向蜗壳汇聚。本发明还提供一种空调系统,应用于汽车,包括上述内外循环箱和蜗壳。本发明还提供一种汽车,包括上述空调系统。在箱体的出气通道与蜗壳的入口设置导流件,引导流经箱体的出气通道的气流向蜗壳的入口汇聚,能够顺利地流入蜗壳内。有导流件的引导,空气在流动过程中受到的阻力降低,减少了气流的速度损失;此外,空气流动方向改变的幅度小,在与其它区域的气流汇聚时,减弱了对其它区域的气流的扰动,不易出现紊流,从而降低噪音。


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    Title :

    Internal and external circulation box, air conditioning system and automobile


    Additional title:

    内外循环箱、空调系统及汽车


    Contributors:
    FU ZHENGYANG (author) / LI SHENGFANG (author) / DAI YONG (author)

    Publication date :

    2021-02-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    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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