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发明申请
US20090282854A1 AIR CONDITIONING SYSTEM 有权
空调系统

AIR CONDITIONING SYSTEM
摘要：
An air conditioning system includes a refrigerant circuit (20) in which a compressor (21), an indoor radiant panel (23), a first expansion valve (24), a room air heat exchanger (25), a second expansion valve (26) and an outdoor air heat exchanger (27) are connected in this order and which operates in a refrigeration cycle by reversibly circulating refrigerant therethrough. During a defrosting operation, the first expansion valve (24) is controlled to reduce the refrigerant pressure so that in a cooling cycle the refrigerant releases heat in the outdoor air heat exchanger (27) and the room air heat exchanger (25) and evaporates in the indoor radiant panel (23). Thus, the air conditioning system concurrently provides the defrosting of the outdoor air heat exchanger (27) and the room heating of the room air heat exchanger (25).
摘要（中）：

空调系统包括制冷剂回路（20），压缩机（21），室内辐射板（23），第一膨胀阀（24），室内空气热交换器（25），第二膨胀阀 ）和室外空气热交换器（27）依次连接，并通过可逆地循环制冷剂在制冷循环中运行。 在除霜操作期间，控制第一膨胀阀（24）以降低制冷剂压力，使得在制冷循环中，制冷剂在室外空气热交换器（27）和室内空气热交换器（25）中释放热量并在 室内辐射板（23）。 因此，空调系统同时提供室外空气热交换器27的除霜和室内空气热交换器25的室内加热。

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