The invention discloses a device for detection of mechanical characteristics and diagnosis of faults of a high-
voltage circuit breaker, and relates to a switch device in the technical field of
electric power. The device for detection of the mechanical characteristics and diagnosis of the faults of the high-
voltage circuit breaker comprises a
power module, an AD conversion module, a
USB / RS232 communication module, a computer, a
signal processing module, a control module, a collection module and a
USB / RS232 communication module. The device for detection of the mechanical characteristics and diagnosis of the faults of the high-
voltage circuit breaker integrates a plurality of paths of collection signals which comprise a loop current of an
energy storage motor of the high-voltage circuit breaker of a spring operating mechanism, a coil current of a switch-on releaser, a coil current of a switch-off releaser, vibration signals of the high-voltage breaker, and information content of the
angular displacement and the speed of rotation of a main shaft, local information of the mechanical characteristic state of the high-voltage circuit breaker is obtained by collecting information content with different forms, analysis is carried out on the local information through the
signal processing module of the device, and the local information is combined, superposed and deduced to generate judgment information of the mechanical characteristics of the high-voltage circuit breaker. The device for detection of the mechanical characteristics and diagnosis of the faults of the high-voltage circuit breaker is simple in structure, convenient to use and stable in monitoring.