The invention relates to an acoustic monitoring system and method for railway vehicle traction motor bearing, and the system comprises: a microphone array device which comprises a pair of microphone arrays disposed at the inner sides of two rails side by side, and is used for collecting the acoustic signals of a bearing; a wheel sensor device which comprises wheel sensors which are arranged on the inner sides of the two rails and are arranged on the front side and the rear side of the microphone array respectively, wherein the wheel sensor device is used for triggering the system to be automatically started when the rail vehicle passes bidirectionally; a vehicle number automatic identification device which comprises industrial cameras arranged on two sides outside the rail and is used for identifying the vehicle type and the vehicle number of the rail vehicle and determining the model of a motor; and an industrial personal computer which is respectively connected with the microphone array, the wheel sensor and the industrial camera, and is used for collecting, processing and storing data, carrying out fault detection on the traction motor bearing and carrying out communication. Compared with the prior art, the system and method have the advantages that detection is convenient and reliable, required cost is saved, the detection accuracy and reliability are improved, potential safety hazards caused by faults are reduced and the like.
本发明涉及一种轨道车辆牵引电机轴承声学监测系统及方法,该监测系统包括:传声器阵列装置:包括并排设置在两条轨道内侧的一对传声器阵列,用以采集轴承的声信号;车轮传感器装置:包括在两条轨道内侧且分别设置在的传声器阵列前后两侧的车轮传感器,用以在轨道车辆双向经过时触发系统自动启动;车号自动识别装置:包括设置在轨道外两侧的工业相机,用以识别轨道车辆车型与车号,确定电机型号;工控机:分别与传声器阵列、车轮传感器和工业相机连接,用以采集、处理和存储数据并对牵引电机轴承进行故障检测并进行通信。与现有技术相比,本发明具有检测方便可靠、节约所需成本、提高了检测的准确性与可靠性和减小了故障引起的安全隐患等优点。
Acoustic monitoring system and method for railway vehicle traction motor bearing
一种轨道车辆牵引电机轴承声学监测系统及方法
2021-09-28
Patent
Electronic Resource
Chinese
IPC: | G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES , Messen von mechanischen Schwingungen oder Ultraschall-, Schall- oder Infraschallwellen / G06K Erkennen von Daten , RECOGNITION OF DATA |
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