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针对夏热冬冷地区地埋管地源热泵系统运行过程中的土壤热不平衡问题,介绍了建立预警体系的方法。以土壤温度标准曲线作为预警指标,考虑气象条件的随机性,制定了3种气象参数条件下的标准曲线。介绍了预警阈值范围的确定,针对系统不同运行时期的特点给出了土壤温度允许的偏差范围。
Aiming at the problem of soil thermal imbalance during the operation of ground source heat pump system in hot summer and cold winter area, the method of establishing early warning system is introduced. Taking the soil temperature standard curve as the early warning indicator and considering the randomness of the meteorological conditions, three standard curves under the meteorological parameters were formulated. The pre-warning threshold range was introduced and the allowable deviation range of soil temperature was given according to the characteristics of different operating periods of the system.