Test circuit applied to railway signal machine test

• Main Authors: FAN JIANWEI, QIAO NAN, CAI SHUBAO, YANG XU, HU YINLONG, JIANG YING, LIU RUIJUAN, CHEN ZHILI, LEE JEA-HYUNG
• Format: Patent
• Language: Chinese; English
• Published: 01.03.2024
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention belongs to the field of railway annunciators, and particularly relates to a test circuit applied to railway annunciator tests, which comprises a voltage detection module for acquiring voltage data of an annunciator to be tested; the current detection module is used for acquiring current data of the signal machine to be detected, and the current detection module is connected with the voltage detection module and the signal machine to be detected; the impedance detection module is used for acquiring impedance data of the signal machine to be detected and is connected with the signal machine to be detected; and the voltage detection module, the impedance detection module and the current detection module are all connected with the main control chip module. According to the invention, the circuit can make full use of the construction debugging period of a signal system, replaces signal indoor equipment after the installation of the signal machine and the line laying are completed, carries out the lig