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    • 3. 发明公开
    • Reducing or avoiding ice formation in an intermittently operated cooling unit
    • 在einer intermittierend betriebenenKühleinheit的Verringerung oder Vermeidung der Eisbildung
    • EP2546587A1
    • 2013-01-16
    • EP11173529.6
    • 2011-07-12
    • A.P. Møller - Mærsk A/S
    • Lukasse, Leijn Johannes SjerpDe Kramer-Cuppen, Janneke Emmy
    • F25B47/00F25D11/00
    • F25B49/022F25B47/006F25B2600/0251F25B2600/0252F25D11/003Y02B40/32
    • Disclosed is a system for and a method of reducing and/or avoiding ice formation inside a cooling space (41) of a refrigerated transport container (1) comprising at least a cooling unit (40) and an evaporator (16) located in the cooling space (41), where the cooling unit (40) comprises at least an intermittently operated compressor (6) operated between a first active state and a second less active state, and wherein the method comprises: reducing and/or avoiding ice formation inside the cooling space (41), when the system is operated at a temperature setpoint where a potential risk of ice build-up on the external surface of the evaporator exists, by altering a cycling of the compressor (6) between the first active state and the second less active state such that the number of melting-refreezing cycles at an external surface of the evaporator is reduced.
      In this way, ice formation in the cooling space is reduced and/or avoided, which helps to maintain a clean external evaporator surface area and open condensate collection guide(s) (20). This in turn helps to ensure the proper drain off of melting water to outside the container and the persistent proper functioning of the cooling unit.
    • 公开了一种在冷藏运输容器(1)的冷却空间(41)内减少和/或避免冰层的系统和方法,所述系统包括至少一个冷却单元(40)和位于冷却系统 空间(41),其中所述冷却单元(40)至少包括在第一活动状态和第二较弱活动状态之间操作的间歇操作的压缩机(6),并且其中所述方法包括:减少和/或避免在 冷却空间(41),当系统在温度设定点操作时,通过改变压缩机(6)在第一活动状态和第二活动状态之间的循环,存在蒸发器外表面上存在积冰的潜在风险 使得在蒸发器的外表面处的熔融再冻结循环的数量减少的第二较少的活性状态。 以这种方式,减少和/或避免冷却空间中的冰,这有助于保持清洁的外部蒸发器表面积和开放的冷凝物收集引导件(20)。 这又有助于确保将熔融水正确排出容器外部,并使冷却单元持续正常工作。