Control device of electric appliance cabinet for detecting deformation of cross section of subway tunnel

The utility model provides a control device of an electric appliance cabinet for detecting the deformation of the cross section of a subway tunnel, belonging to the technical field of the monitoring of tunnel engineering. The device comprises a PCL controller, a power converter, a wireless communicator, two RS232/485 converters and a stepping motor driver which are integrated in a box type cabinet body, as well as a control switch and a status indicating lamp which are arranged on the surface of the cabinet, wherein the input IO interface of the PCL controller is respectively connected with the control switch and the signal output end of a rotary encoder in a mileage control system out of the electric appliance cabinet; the output IO interface of the PCL controller is respectively connected with the status indicating lamp and the stepping motor driver of a rotary table; and the serial port module of the PLC controller is respectively connected with a distance measuring sensor, an angle measuring sensor, a com