Detection system and method for sound abnormality of power equipment

The invention discloses a detection system and method for sound abnormality of power equipment. The system comprises a polling platform, an audio detection subsystem arranged on the polling platform as well as a computer subsystem which wirelessly communicates with the audio detection subsystem, wherein the polling platform comprises a traveling mechanism and a control module for controlling the traveling mechanism; the audio detection subsystem comprises an audio acquisition module, a video service module, an audio training and recognizing module and a memory module; the output end of the audio acquisition module is connected with the input end of the video service module; the output end of the video service module is connected with the corresponding input end of the audio training and recognizing module; the audio training and recognizing module is bidrectionally connected with the memory module; and the computer subsystem comprises a host equipped with base station background software, an audio data display module and an alarm module. The invention has the advantages of flexibility for detection, lower cost and high reliability.