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    • 4. 发明公开
    • Air conditioning system
    • 空调系统
    • EP1801520A1
    • 2007-06-27
    • EP06256498.4
    • 2006-12-21
    • Hitachi Appliances, Inc.
    • Yokozeki, AtsuhikoMatsumura, KenjiNakayama, SusumuSugimoto, NaokiTsukada, Yoshiharu
    • F25B13/00F24F3/153
    • F25B13/00F24F3/153F24F11/30F24F2003/144F24F2110/20F25B2313/02321F25B2313/02343F25B2313/02741F25B2313/0314F25B2600/2513F25B2700/02F25B2700/1931F25B2700/2104F25B2700/21152
    • An air conditioner (1) in which a cooling cycle is formed by arranging an outdoor unit (2) provided with an accumulator (7), a compressor (8), a four-way valve (6), an outdoor heat exchanger (9) and an outdoor expansion valve (10), and an indoor unit (3) provided with a first indoor heat exchanger (15), a check valve (16), an indoor expansion valve (17), a second indoor heat exchanger (18) and an indoor electromagnetic valve (20) formed in a piping (19) bypassing the first indoor heat exchanger (15) and the check valve (16), in a piping circulating a refrigerant, the air conditioner is provided with a control means for lowering a temperature of the refrigerant on a discharge side of the compressor (8) at a set temperature on the basis of a signal generated by closing of the indoor electromagnetic valve (20), at a time of a reheat dehumidification operation.
      Further, the air conditioner is provided with a control means for controlling an opening degree of the indoor expansion valve (17) at a time of the reheat dehumidification operation, and controlling an opening degree of the outdoor expansion valve (10), at a time of a cooling operation.
    • 本发明提供一种空气调节机(1),该空气调节机(1)通过配置具备储液器(7),压缩机(8),四通阀(6),室外热交换器(9)的室外机组 )和室外膨胀阀(10),室内单元(3)具有第一室内热交换器(15),止回阀(16),室内膨胀阀(17),第二室内热交换器 )以及形成在绕过第一室内热交换器(15)和止回阀(16)的管道(19)中的室内电磁阀(20),在制冷剂循环的管道中设置有控制装置,用于 在再加热除湿运转时,根据室内电磁阀(20)的关闭而产生的信号,将压缩机(8)的排出侧的制冷剂的温度降低到设定温度。 另外,空调装置具备控制装置,该控制装置用于在再加热除湿运转时控制室内膨胀阀(17)的开度,同时控制室外膨胀阀(10)的开度 的冷却操作。