The invention discloses a multi-temperature-zone liquid nitrogen refrigerator car and an environment control method, and relates to the field of logistics preservation, the multi-temperature-zone liquid nitrogen refrigerator car comprises a car body, a compartment and a liquid nitrogen cold supply system, the compartment is divided into a freezing zone, a partial freezing zone and a refrigeration zone by movable doors, and a first pressure sensor, a temperature sensor and an atomizing nozzle are arranged at the top of each temperature zone of the compartment; the temperature sensor and the pressure sensor are respectively used for monitoring the pressure and temperature conditions of the temperature zone; the liquid nitrogen cold supply system comprises a liquid nitrogen tank, a liquid nitrogen conveying and distributing pipeline and a controller, the liquid nitrogen conveying and distributing pipeline enables the liquid nitrogen tank to be communicated with the atomizing nozzles of the temperature areas of the compartment, and a second pressure sensor and a liquid level sensor are arranged on the liquid nitrogen tank. The second pressure sensor and the liquid level sensor are used for monitoring the pressure in the liquid nitrogen tank and the residual amount of liquid nitrogen correspondingly, high-quality preservation of multiple kinds of agricultural products can be achieved, and the endurance mileage of the pure electric refrigerator car is effectively prolonged.

    本发明公开了一种多温区液氮冷藏车及环境控制方法,涉及物流保鲜领域,其包括:车体、车厢和液氮供冷系统,所述车厢被活动门分隔成冷冻区、微冻区和冷藏区,在所述车厢各温区顶部设置有第一压力传感器、温度传感器和雾化喷头,所述温度传感器和所述压力传感器分别用于监控所在温区的压力和温度情况;液氮供冷系统包括液氮罐、液氮输配管路和控制器,所述液氮输配管路将所述液氮罐分别与所述车厢各温区的雾化喷头连通,在所述液氮罐上设置有第二压力传感器和液位传感器,所述第二压力传感器和所述液位传感器分别用于监测所述液氮罐内压力和液氮剩余量,本发明可以实现多品类农产品的高品质保鲜,并有效延长纯电动冷藏车续航里程。


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    Title :

    Multi-temperature-zone liquid nitrogen refrigerator car and environment control method


    Additional title:

    一种多温区液氮冷藏车及环境控制方法


    Contributors:
    SUN QIN (author) / DONG KAIJUN (author) / ZHANG BOBO (author) / LUO WEIMIN (author)

    Publication date :

    2021-09-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS / 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 / B62D MOTOR VEHICLES , Motorfahrzeuge



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