Grounding state detection circuit of mining base station controller

• Main Authors: LI JUNFEI, CHEN GANG, GOU HONGJUN, LAN YANLI, JIA ZHILONG, LI BAOGANG, LIU YANG, LIU GUANGYAO, YI QIONGTA
• Format: Patent
• Language: Chinese; English
• Published: 11.07.2023
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The utility model relates to the technical field of electric appliance safety, in particular to a mining base station controller grounding state detection circuit, which comprises a resistance-capacitance step-down face-lifting circuit, a photoelectric coupler and a detection alarm circuit, the resistance-capacitance step-down face-lifting circuit is electrically connected with the input end of the photoelectric coupler, the output end of the photoelectric coupler is electrically connected with the detection alarm circuit, and the detection alarm circuit is electrically connected with the resistance-capacitance step-down face-lifting circuit. The resistance-capacitance step-down face-lifting circuit comprises a first capacitor, a second capacitor and a third capacitor, the first capacitor is connected with a live wire, the second capacitor is connected with a null line, the third capacitor is connected with a ground wire, and the detection alarm circuit carries out detection alarm according to the output leve