Circuit loop closing detection device

• Main Authors: LI YINGXIN, MENG LUFENG, LU ZHONGSHENG, YU HEMING, KONG XIANGMAO, WEI CAIFANG, LI GUOXING, LIANG YONGCHANG, ZHOU TAO, HUANG JIALE, HUANG ZITAO, LI JUAN, GAN WEICHAO, LIANG FENG, XIAO XIAOZHONG, ZHENG YI, XU JU, CHEN YOUYE, HUANG KAIYU, HE KUNCAI, LI QINSHAN, LIANG QISEN, LI TAO, ZHANG GUOJUN
• Format: Patent
• Language: Chinese; English
• Published: 01.03.2022
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention provides a circuit loop closing detection device. The circuit loop closing detection device comprises a first input end, a second input end, a measurement module, an analysis module, a display module and an indicating lamp, the first input end and the second input end are respectively connected with a first line and a second line to be subjected to loop closing operation; the measurement module comprises a first measurement module and a second measurement module, and the first measurement module measures a sine wave waveform of a first line; the second measurement module measures a second line sine wave waveform; the display module receives and displays the first line sine wave waveform and the second line sine wave waveform; the analysis module analyzes the phase sequence, the voltage amplitude and the phase difference of the first line sine wave waveform and the second line sine wave waveform; and the indicating lamp lights the lamps with different colors according to the analysis result of th