System and method for detecting deviation of cold-rolled strip steel

The invention provides a cold-rolled strip steel deviation detection system and method, and relates to the technical field of cold rolling, and the cold-rolled strip steel deviation detection system comprises an industrial area-array camera, a calculation and display device, a switch and a PLC controller; the calculation and display equipment is respectively provided with a communication system and a deviation calculation and display system, and the calculation and display equipment is in communication connection with the industrial area-array camera through GIGE; the calculation and display equipment is in communication connection with the switch; and the calculation and display equipment is in communication connection with the PLC. According to the deviation detection system for the cold-rolled strip steel, manpower is saved, real-time detection is facilitated, the detection accuracy is high, when deviation of the strip steel is detected, an alarm sound is given out to remind an operator, the situation that