The invention discloses an external circulation natural air leakage prevention structure, an air conditioner ventilation system and a control method thereof.The external circulation natural air leakage prevention structure comprises an air conditioner box shell and an external circulation air leakage air door, an opening is formed in the air conditioner box shell, and the external circulation air leakage air door is installed on the air conditioner box shell; the outer circulation air leakage air door can block an opening formed in the air handling unit shell. When the pressure difference between the interior of the air conditioner box and the passenger compartment is smaller than or equal to the preset pressure difference value Ptarget, the torque generated by the pressure of air acting on the outer circulation air leakage air door is smaller than or equal to the torque generated by the gravity of the outer circulation air leakage air door, and the outer circulation air leakage air door is in a closed state; and when the pressure difference between the interior of the air conditioner box and the passenger compartment is larger than the preset pressure difference value Ptarget, the torque generated by the pressure, acting on the outer circulation air leakage air door, of the air is larger than the torque generated by the gravity of the outer circulation air leakage air door, and the outer circulation air leakage air door is opened. According to the embodiment, natural air leakage of external circulation can be avoided.

    本发明公开了一种防外循环自然漏风结构、空调通风系统及其控制方法,包括防外循环自然漏风结构,包括空调箱壳体,空调箱壳体上开设有开口,还包括外循环漏风风门,所述外循环漏风风门安装在空调箱壳体上,且外循环漏风风门能封堵空调箱壳体上所设开口;当空调箱内与乘员舱之间的压差小于等于预设压差值Ptarget时,空气作用于外循环漏风风门上的压力所产生的力矩小于等于外循环漏风风门本身由重力产生的力矩,外循环漏风风门处于关闭状态;当空调箱内与乘员舱之间的压差大于预设压差值Ptarget时,空气作用于外循环漏风风门上的压力所产生的力矩大于外循环漏风风门本身由重力产生的力矩,外循环漏风风门开启。本实施例中能够避免外循环自然漏风。


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    Titel :

    Outer circulation natural air leakage prevention structure, air conditioner ventilation system and control method of air conditioner ventilation system


    Weitere Titelangaben:

    防外循环自然漏风结构、空调通风系统及其控制方法


    Beteiligte:
    WANG XINHUA (Autor:in) / YAN XU (Autor:in) / CUI HAICHAO (Autor:in) / CHONG GUOHUN (Autor:in)

    Erscheinungsdatum :

    2022-07-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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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