The invention discloses a railway vehicle air conditioning unit which comprises an air conditioning box body and a refrigerant loop system arranged in the air conditioning box body, and is characterized in that an outdoor cavity, a first indoor cavity and a second indoor cavity are formed in the air conditioning box body; the outdoor cavity is formed in the middle of the air conditioner box body,the first indoor cavity and the second indoor cavity are formed in the two sides of the outdoor cavity respectively, and an outdoor draught fan is arranged in the outdoor cavity; indoor fans are arranged in the first indoor cavity and the second indoor cavity; and a refrigerant in the refrigerant loop system is carbon dioxide. In addition, the invention further provides a control method of the rail vehicle air conditioning unit. Carbon dioxide is adopted as a refrigerant, so that the environment-friendly effect is achieved, and the environment-friendly requirement is met; pressure protection safety measures of the refrigerating system ensure that the pressure in the system can be controlled to be below the designed pressure when the system is in an operation or standing state, and safety is ensured.

    本发明公开了一种轨道车辆空调机组,包括空调箱体以及设置在所述空调箱体内的制冷剂回路系统,其特征在于:在所述空调箱体内设有室外腔、第一室内腔和第二室内腔;所述室外腔设置于所述空调箱体的中部,所述第一室内腔和所述第二室内腔分别设置于所述室外腔的两侧,在所述室外腔内设有室外风机;在所述第一室内腔和第二室内腔内均设有室内风机;所述制冷剂回路系统中的制冷剂为二氧化碳。此外,本发明还提供了一种轨道车辆空调机组的控制方法。本发明采用二氧化碳为制冷剂,环境友好,符合环保要求;制冷系统压力保护安全措施,确保系统在运行或静置状态均能控制系统内压力在设计压力以下,确保安全。


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    Title :

    Railway vehicle air conditioning unit and control method


    Additional title:

    轨道车辆空调机组及控制方法


    Contributors:
    YANG YURU (author) / SUN LIANG (author) / ZHANG TING (author)

    Publication date :

    2021-01-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES



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