建立了一种基于恒温法的土壤热响应特性实验的改进装置,可以进行排热和取热工况实验。给出了上述装置实验数据处理的方法和数学模型,比较了恒温法和恒热流法土壤热响应实验装置的优缺点。实际测试数据表明:改进后的土壤热响应实验装置在测试工况的稳定性、调节性以及稳定时间上具有一定优势,其测试结果可以为地源热泵系统优化设计提供直接的指导依据。 An improved device based on the thermostatic method for experiment of soil thermal response was established, which can be used to conduct experiments on heat removal and heat extraction. The experimental data processing method and mathematical model of the above device are given, and the advantages and disadvantages of thermostatic and constant heat flow soil thermal response experimental devices are compared. The actual test data show that the improved soil thermal response experimental device has some advantages in the stability, adjustability and stability time of test conditions. The test results can provide direct guidance for the optimization design of ground source heat pump system.