The invention relates to an air conditioning unit with a sand prevention function, a sand prevention control method and a railway vehicle, the air conditioning unit comprises a shell, the shell is internally provided with a condensation cavity, a fresh air cavity and an evaporation cavity which are separated by first partition plates, and a fresh air inlet corresponding to the fresh air cavity is formed in the shell; the secondary filtering device comprises a centrifugal sand removing device and a sand discharging fan, a sand discharging opening of the centrifugal sand removing device is connected with the sand discharging fan through a sand discharging pipe, and the drainage fan is used for guiding fresh air into the fresh air cavity and guiding the filtered fresh air into the evaporation cavity. The sand prevention control method comprises the following steps that S1, the change of the fresh air volume V is recognized; and S2, according to the control strategy, the sand discharging wind speed S of the centrifugal sand removing device is correspondingly adjusted to be maintained within the set range. The sand removing efficiency and the sand removing effect can be greatly improved, and the cleanliness of the passenger room environment is improved.

    本发明涉及一种具有防沙功能的空调机组、防沙控制方法及轨道车辆,空调机组包括壳体,在所述壳体内具有用第一隔板分隔的冷凝腔、新风腔和蒸发腔,对应所述新风腔在所述壳体上开有新风入口,所述二级过滤装置包括离心除沙装置和排沙风机,所述离心除沙装置的排沙口通过排沙管与排沙风机连接,所述引流风机用于将新风引入新风腔并将过滤后的新风引至蒸发腔。防沙控制方法包括如下步骤:S1、识别新风量V的变化;S2、根据控制策略,对应调节离心除沙装置的排沙风速S维持在设定范围内。本发明可以大幅提升除沙效率和除沙效果,提升客室环境清洁度。


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    Titel :

    Air conditioning unit with sand prevention function, sand prevention control method and rail vehicle


    Weitere Titelangaben:

    一种具有防沙功能的空调机组、防沙控制方法及轨道车辆


    Beteiligte:
    PU DONG (Autor:in) / ZHOU XINXI (Autor:in) / YANG XIAOYAN (Autor:in) / JIANG HAOLI (Autor:in) / WANG SHENGGUANG (Autor:in)

    Erscheinungsdatum :

    2022-07-15


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES / B01D SEPARATION , Trennen / 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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