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1. 发明授权

EP1225400B1 REFRIGERATING DEVICE 有权
标题翻译：制冷装置
公开(公告)号：EP1225400B1
公开(公告)日：2007-12-12
申请号：EP00966426.9
申请日：2000-10-12
申请人： DAIKIN INDUSTRIES, LTD.
发明人： TAIRA, S. Shiga-Seisakusho of Daikin Ind. Ltd. , TANAKA, J. Shiga-Seisakusho of Daikin Ind., Ltd. , SHIBAIKE, K. Shiga-Seisakusho of Daikin Ind., Ltd.
IPC分类号： F25B1/00 , F25B9/00 , F25B13/00 , C09K5/04
CPC分类号： F25B9/002 , F25B9/006 , F25B13/00 , F25B2341/0653 , F25B2400/12 , F25B2400/13 , F25B2600/2509 , F25B2700/21152 , F25B2700/21163 , F25B2700/21175 , Y02B30/72
摘要： A refrigerating device, comprising a refrigerating circuit having a compressor (1), an indoor heat exchanger (3), a main motor-driven valve (EV1), and an indoor heat exchanger (5) connected annularly to each other, wherein an R32 refrigerant or a mixed refrigerant containing R32 by at least 70% by weight is used as working media, an overcooling heat exchanger (11) is disposed between the indoor heat exchanger (3) and main motor-driven valve (EV1), the gas side of the refrigerant circuit is bypassed, using bypass tubes (33, 34) to the liquid side thereof through the overcooling heat exchanger (11), an overcooling motor-driven valve (EV2) is disposed in the bypass tube (33) on the upstream side of the overcooling heat exchanger (11), a delivery temperature detected by a delivery temperature sensor (21) is judged by a delivery temperature judgment part (10b) and, based on the judgment results thereof, the opening of the overcooling motor-driven valve (EV2) is controlled so as to control the volume of refrigerant flowing through the bypass tubes (33, 34), whereby, using the working media containing R32 refrigerant, the delivery temperature of the compressor can be optimized without lowering an efficiency so as to increase the COP and reliability.
摘要翻译： 1。一种制冷装置，其特征在于，具备：将制冷剂回路连接成环状的压缩机（1），室内热交换器（3），主电动阀（EV1），室内热交换器（5）制冷剂或包含R32至少70重量％的混合制冷剂作为工作介质，在室内热交换器（3）和主电动阀（EV1）之间设置过冷热交换器（11），气体侧利用旁路管33,34通过过冷却热交换器11向其液体侧绕过制冷剂回路，过冷却马达驱动阀EV2在旁通管33中设置在上游侧由过冷却热交换器（11）的输出温度判断部（10b）判断由排出温度传感器（21）检测到的排出温度，根据其判断结果，过冷却电动机驱动阀（EV2）被控制以控制t 流过旁通管33,34的制冷剂量，由此，通过使用含有R32制冷剂的工作介质，可以使压缩机的输送温度最优化而不降低效率，从而提高COP和可靠性。

2. 发明公开

EP1225400A1 REFRIGERATING DEVICE 有权
标题翻译：制冷装置
公开(公告)号：EP1225400A1
公开(公告)日：2002-07-24
申请号：EP00966426.9
申请日：2000-10-12
申请人： Daikin Industries, Ltd.
发明人： TAIRA, S. Shiga-Seisakusho of Daikin Ind. Ltd. , TANAKA, J. Shiga-Seisakusho of Daikin Ind., Ltd. , SHIBAIKE, K. Shiga-Seisakusho of Daikin Ind., Ltd.
IPC分类号： F25B1/00
CPC分类号： F25B9/002 , F25B9/006 , F25B13/00 , F25B2341/0653 , F25B2400/12 , F25B2400/13 , F25B2600/2509 , F25B2700/21152 , F25B2700/21163 , F25B2700/21175 , Y02B30/72
摘要： A refrigerating device has a refrigerant circuit having a compressor (1), an indoor heat exchanger (3), a main motor operated valve (EV1), and an indoor heat exchanger (5) connected in a loop, and uses, as a working medium, an R32 refrigerant or a mixed refrigerant containing R32 at at least 70 wt%. A supercooling heat exchanger (11) is disposed between the indoor heat exchanger (3) and the main motor operated valve (EV1), and the liquid side of the refrigerant circuit are connected to the gas side by by-pass pipes (33, 34) through the supercooling heat exchanger (11). A supercooling motor operated valve (EV2) is disposed at the by-pass pipe (33) upstream of the supercooling heat exchanger (11). A discharge temperature detected by a discharge temperature sensor (21) is determined by a discharge temperature determination part (10b), and based on the determination result, the opening of the supercooling motor operated valve (EV2) is controlled so as to control an amount of the refrigerant flowing through the by-pass pipes (33, 34), whereby, using the working medium containing R32, the discharge temperature of the compressor is optimized without reducing the efficiency, and the COP and reliability are improved.
摘要翻译：制冷装置具有制冷剂回路，该制冷剂回路具有连接成环状的压缩机（1），室内热交换器（3），主电动阀（EV1），室内热交换器（5）介质，R32制冷剂或含有至少70重量％的R32的混合制冷剂。在室内热交换器（3）与主电动阀（EV1）之间配置过冷却热交换器（11），制冷剂回路的液体侧通过旁通配管（33,34）与气体侧连接）通过过冷热交换器（11）。过冷却用电动阀（EV2）配置在过冷却用热交换器（11）的上游侧的旁通配管（33）上。由排出温度传感器（21）检测的排出温度由排出温度判定部（10b）判定，基于该判定结果，控制过冷却用电动阀（EV2）的开度，的流经旁路管道33,34的制冷剂流动，由此，利用包含R32的工作介质，压缩机的排放温度被优化而不降低效率，并且COP和可靠性得到改善。

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