Service life evaluation method and device of switch cabinet circuit breaker, storage medium and equipment

• Main Authors: ZHANG SONGJIA, BAI ZHILU, TIAN WENCHAO, SHEN XIN, LU HAIHUI, PANG LELE, SHEN HAO, REN JIANFENG, XU WENJIE, WEI YABIN, GOU YAKUN
• Format: Patent
• Language: Chinese; English
• Published: 14.06.2024
• Subjects: ACOUSTICS; MUSICAL INSTRUMENTS; PHYSICS; SPEECH ANALYSIS OR SYNTHESIS; SPEECH OR AUDIO CODING OR DECODING; SPEECH OR VOICE PROCESSING; SPEECH RECOGNITION

The invention discloses a service life evaluation method and device of a switch cabinet circuit breaker, a storage medium and computer equipment. The method comprises the following steps: acquiring a first sound signal set and a second sound signal set of the switch cabinet circuit breaker; performing time domain analysis on the first sound signal set to extract a first time domain feature, and performing time domain analysis on the second sound signal set to extract a second time domain feature; performing frequency domain analysis on the first sound signal set to extract a first frequency domain feature, and performing frequency domain analysis on the second sound signal set to extract a second frequency domain feature; according to a preset factor model, performing dimension reduction processing on the first time domain feature, the second time domain feature, the first frequency domain feature and the second frequency domain feature to obtain a first health index set; and based on the first health index s