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热力学中对热泵的定义与工程实际中的热泵意义不一致，由此导致热泵用效率计算方法的出入，以至产生热泵效率大于 1的原则性错误。本文以热泵、分析基本理论为依据，就热泵定义及热泵效率计算方法问题进行了广泛深入的探讨，提出了新的热泵定义，给出了符合分析理论原则的热泵效率计算方法。
The definition of heat pump in thermodynamics is inconsistent with the meaning of heat pump in engineering practice, which leads to the discrepancy between the calculation methods of heat pump efficiency and the heat pump efficiency greater than 1. Based on the basic theory of heat pump and analysis, this paper discusses the definition of heat pump and the calculation method of heat pump efficiency extensively, puts forward a new definition of heat pump, and gives the calculation method of heat pump efficiency in line with the theory of analysis.