Electric power system circuit breaker mechanical breakdown online diagnosis system

The utility model provides an electric power system circuit breaker mechanical breakdown online diagnosis system, includes: the acquisition of signal module for the one or more sensor of fixed mounting on circuit breaker or its operating mechanism, is exported to signal and two line formula DC voltages on the ground, signal processing system with acquisition of signal module electricity is connected diagnoses module and wireless transmitting module including consecutive signal filtering module, voltage transformation module, AD conversion module, expert, moistureproof box takes precautions against earthquakes: comprise trough -shaped shell and upper cover plate two parts lock, it is sealed to be equipped with the sealing strip in the lock seam of trough -shaped shell and apron, dampproofing moisture absorption package has been put to the incasement, is fixed with a plurality of shock absorbing pad feet on trough -shaped shell's the wall, is fixed with the unsettled shockproof flat board that is used for installing signal processing system in the incasement on the shock absorbing pad foot. The utility model discloses but the on -the -spot state of on -line monitoring circuit breaker reproduces the trouble and obtains fault data, and the mechanical breakdown diagnosis of circuit breaker is carried out in help, and can take precautions against earthquakes dampproofingly and wireless communication, safe and reliable economy is suitable for.