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本文介绍日本空调器厂开发的蓄热热泵,并对不同的蓄热热泵进行了比较。国外蓄热热泵研究表明,蓄热热泵在低温条件下工作时仍有较高的COP值。文章按化霜运行时制冷剂流过蓄热器与热交换器的先后顺序,将化霜分为先流过热交换器再流过蓄热器的化霜模式和先流过蓄热器再流过热交换器的化霜模式,并通过分析认为先流过热交换器再流过蓄热器的化霜模式较合理。
This article introduces the heat storage heat pump developed by Japan Air Conditioner Factory and compares the different heat storage heat pumps. The research of foreign heat storage heat pump shows that the heat storage heat pump still has higher COP value when working under the condition of low temperature. According to the sequence of the refrigerant flowing through the regenerator and the heat exchanger in the defrosting operation, the defrosting agent is divided into a defrosting mode that flows through the heat exchanger first and then through the regenerator, Overheat exchanger defrost mode, and through the analysis that the first flow through the heat exchanger and then through the regenerator defrost mode is more reasonable.