Phase tester for 50Hz phase-sensitive track circuit

The invention discloses a phase tester for 50Hz phase-sensitive track circuit. The phase tester comprises a CPU board and a display board, wherein the two boards are connected through a flat cable, output ends of a track side signal conditioning circuit and a local side signal conditioning circuit are respectively connected with an input end of the CPU board, and an output end of the CPU board isconnected with the display board. The phase tester has advantages of being small in size, convenient to install, high in accuracy, convenient to maintain and debug and capable of being stably used insubway signal equipment for a long time. 本发明公开一种50Hz相敏轨道电路相位测试仪，包括CPU板和显示板，两个板之间通过排线连接；轨道侧信号调理电路、局部侧信号调理电路的输出端分别与CPU板的输入端连接，CPU板的输出端连接显示板；本发明的优点是：体积小巧，安装方便，准确度高，方便维护和调试，可长期稳定的使用在地铁信号设备中。