Signal acquisition device for high-voltage circuit breaker test

The utility model relates to a signal acquisition device for a high-voltage circuit breaker test, which belongs to the technical field of high-voltage switch testing and comprises a signal acquisition cabinet, a cabinet body of the acquisition cabinet is made of metal materials, and a fracture signal acquisition board, a closing signal acquisition board, an opening signal acquisition board and a stroke signal acquisition board are arranged in the acquisition cabinet. Components used for measuring each signal of the high-voltage circuit breaker are integrated on respective signal acquisition boards to form a signal acquisition module; wherein the input end of the fracture signal acquisition module is connected in parallel to two ends of a main contact fracture of the high-voltage circuit breaker, the input end of the opening/closing signal acquisition module is connected in series to a control power supply loop of an opening/closing coil of the circuit breaker, and the input end of the stroke signal acquisitio