Research on the Frost Law of Air Source Heat Pump Heating in Hot Summer and Cold Winter Areas
Based on the goal of"dual-carbon",China's electric energy substitution work in various fields has achieved vigorous development.In the field of construction,China is now vigorously promoting air source heat pump heating technology,in order to explore the feasibility of electricity substitution,this study is based on the frost mechanism of air source heat pump,puts forward a theoretical judgment method of frost based on meteorological parameters and hydrographs,and selected 10 typical cities in hot summer and cold winter areas for the analysis of the frost pattern of air source heat pump heating.The results show that the hot summer and cold winter areas are more suitable for air source heat pump heating,but the engineering practice should be combined with the frost law of different cities to develop a targeted defrost control strategy.In addition,the air source heat pump frost judgment method proposed in this study has certain advantages compared with traditional research,which can effectively avoid problems such as the underestimation of the frost duration of the heat pump unit.This theoretical approach provides a strong support for solving the challenges of"double carbon"target and healthy and comfortable living space in hot summer and cold winter areas.
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