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1. 发明授权

EP1970653B1 AIR CONDITIONER 有权
公开(公告)号：EP1970653B1
公开(公告)日：2018-08-22
申请号：EP06834471.2
申请日：2006-12-12
申请人： DAIKIN INDUSTRIES, LIMITED
发明人： NISHIMURA, Tadafumi , KASAHARA, Shinichi , YOSHIMI, Manabu
IPC分类号： F25B49/02 , F25B1/00 , F25B49/00
CPC分类号： F25B49/005 , F25B2400/13 , F25B2500/19 , F25B2500/222 , F25B2600/021 , F25B2600/19 , F25B2600/2509 , F25B2700/04 , F25B2700/1933 , F25B2700/2101 , Y02B30/741
摘要： An error in judgment due to the difference in the temperature of the refrigerant at an outlet of a condenser is reduced when judging the adequacy of the refrigerant quantity. An air conditioner (1) includes a refrigerant circuit (10), operation controlling means, and refrigerant quantity judging means. The refrigerant circuit (10) is configured by the interconnection of a compressor (21), an outdoor heat exchanger (23), a subcooler (25), an indoor expansion valve (41, 51), and an indoor heat exchanger (42, 52). The operation controlling means can perform a refrigerant quantity judging operation in which performance of the subcooler (25) is controlled such that the temperature of the refrigerant sent from the subcooler (25) to the indoor expansion valve (41, 51) becomes constant. The refrigerant quantity judging means judges the adequacy of the refrigerant quantity in the refrigerant circuit (10) based on an operation state quantity of constituent equipment or refrigerant flowing in the refrigerant circuit (10) in the refrigerant quantity judging operation.

2. 发明公开

EP1970653A1 AIR CONDITIONER 有权
标题翻译：冷气机
公开(公告)号：EP1970653A1
公开(公告)日：2008-09-17
申请号：EP06834471.2
申请日：2006-12-12
申请人： DAIKIN INDUSTRIES, LIMITED
发明人： NISHIMURA, Tadafumi , KASAHARA, Shinichi , YOSHIMI, Manabu
IPC分类号： F25B49/02 , F25B1/00
CPC分类号： F25B49/005 , F25B2400/13 , F25B2500/19 , F25B2500/222 , F25B2600/021 , F25B2600/19 , F25B2600/2509 , F25B2700/04 , F25B2700/1933 , F25B2700/2101 , Y02B30/741
摘要： An error in judgment due to the difference in the temperature of the refrigerant at an outlet of a condenser is reduced when judging the adequacy of the refrigerant quantity. An air conditioner (1) includes a refrigerant circuit (10), operation controlling means, and refrigerant quantity judging means. The refrigerant circuit (10) is configured by the interconnection of a compressor (21), an outdoor heat exchanger (23), a subcooler (25), an indoor expansion valve (41, 51), and an indoor heat exchanger (42, 52). The operation controlling means can perform a refrigerant quantity judging operation in which performance of the subcooler (25) is controlled such that the temperature of the refrigerant sent from the subcooler (25) to the indoor expansion valve (41, 51) becomes constant. The refrigerant quantity judging means judges the adequacy of the refrigerant quantity in the refrigerant circuit (10) based on an operation state quantity of constituent equipment or refrigerant flowing in the refrigerant circuit (10) in the refrigerant quantity judging operation.
摘要翻译：当判断制冷剂量是否适当时，由于冷凝器出口处制冷剂温度的差异而导致的判断误差减小。空调装置（1）包括制冷剂回路（10），运转控制装置和制冷剂量判定装置。该制冷剂回路10由压缩机21，室外热交换器23，过冷却器25，室内膨胀阀41,51以及室内热交换器42,44的相互连接构成， 52）。运转控制装置能够进行制冷剂量判定运转，该运转控制过冷却器25的运转，以使从过冷器25向室内膨胀阀41,51送出的制冷剂的温度恒定。制冷剂量判定装置根据在制冷剂量判定操作中在制冷剂回路（10）中流动的构成设备或制冷剂的操作状态量，判定制冷剂回路（10）中制冷剂量是否合适。

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