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| Experimental and research on technical improvement of deep geothermal exploration equipment |
| Feng Zhiqiang, Shi Hairui, Jia Yichao, Liang Chunwang, Chen Hongzhu, Zhang Huiyao |
| Xingtai Meteorological Bureau,Xingtai 054000 |
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Abstract Through analyzing the temperature measurement principle of deep ground temperature and laboratory data,the article found that cutting the ground temperature sensor wire and adding a pluggable plug would not affect the measurement of the platinum resistor's own resistance value.The error comparison values of the HY15 ground temperature sensor before and after the modification did not exceed ±0.3 ℃,and the error comparison values of the WPZ1 ground temperature sensor did not exceed ±0.2 ℃,which were within the allowable range.The top of the wooden pole for deep ground temperature was improved into a deep ground temperature waterproof wiring device,and the finished product was installed in Xingtai Guangzong station for field comparison.Using the data from the original comparison station in Guangzong from May to October 2023,difference analysis,consistency rate analysis,and Pearson correlation analysis were conducted.The errors before and after the modification did not exceed ±0.3 ℃,with a high consistency rate and excellent correlation linear fitting results.By modifying the deep ground temperature waterproof wiring device and optimizing the deep ground temperature replacement workflow,the replacement time of ground temperature sensors was shortened from hours to minutes,maximizing the reduction of data missing rate,further improving data integrity,enhancing the verification efficiency of national meteorological stations,and reducing the difficulty of replacement.
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Received: 14 February 2025
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2025, Vol. 42 
