Cable electrical fault automatic detection device

• Main Authors: YANG CHAO, WANG YI, NING ZHANHU, ZHOU WEI, RYU SOO-MIN, PEI XUDONG
• Format: Patent
• Language: Chinese; English
• Published: 30.07.2024
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The utility model discloses a cable electrical fault automatic detection device, comprising a cabinet and a cable fault detection system arranged in the cabinet, the cable fault detection system comprises a control circuit, a drive circuit and a switch circuit; wherein the switching circuit comprises a plurality of relay groups which are relatively independently arranged; each relay group comprises a first relay and a second relay, and the first relay and the second relay are both in control connection with the driving circuit; common ends of the first relays in all the relay groups are short-circuited and are connected with the driving power supply; the normally closed ends of the second relays in all the relay groups are all short-circuited and then are connected with the control circuit, and the normally open ends of the second relays in all the relay groups are all short-circuited and then are connected with the control circuit; in one relay group, the normally open end of the first relay is used for bein