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YRY-4钻孔应变仪是目前国际上领先的地形变观测仪器,且具有较好的防雷效果。但是在地震台站的实际应用中供电系统存在一定的缺陷。在保留原来电源独特的完全物理隔离及优秀防雷效果的基础上,云南省永胜地震台的工作人员对YRY-4钻孔应变仪防雷隔离电源进行了技术改造。改造后本电源更加安全可靠且具备了故障自动报警的功能,彻底解决了由供电引起的观测记录缺数、拖尾、掉格问题,数据质量、连续率、精度大为提高。
YRY-4 drilling strain gauge is the world’s leading deformation observation instrument, and has good lightning protection. However, there are some defects in the power supply system in the practical application of seismic stations. On the basis of retaining the original complete power isolation and excellent lightning protection effect, the staff of Yongsheng Seismostat of Yunnan Province carried out technological transformation on YRY-4 borehole strain gauge lightning protection and isolation power supply. After the transformation, the power supply is more safe and reliable, and has the function of automatic fault alarm, which completely solves the problems of lack of observation data, tailing and dropout caused by power supply, data quality, continuous rate and accuracy greatly improved.