Design of Inductive Sensor System for Wear Particles in Oil

Design of Inductive Sensor System for Wear Particles in Oil

NIU Ze, LI Kai, BAI Wenbin, SUN Yuanyuan, GONG Qingqing, HAN Yan
Shanxi Provincial Key Laboratory of Information Detection and Processing, North University of China, Taiyuan 030051

Abstract

오일의 연마 입자는 엔진 및 기타 장비의 마모 상태를 반영할 수 있습니다.오일 금속 연마 입자의 온라인 모니터링을 실현하기 위해 전자기 원리에 기반한 3코일 센서의 수학적 모델이 설정되었습니다. 유도 및 센서의 최적 구조 매개변수(내경), 간격, 너비 등), 간섭성 복조 모델을 사용하여 마모 입자 신호를 추출하고 마모 입자 신호의 생성 원리를 분석합니다. 

시스템은 다층 차폐 구조를 채택하여 외부 자기장 간섭을 효과적으로 줄일 수 있으며 설계된 센서 감지 시스템은 관련 테스트를 위해 팬 기어 박스의 오일 회로에 연결됩니다. 테스트 결과 시스템은 마모 입자 신호를 효과적으로 추출할 수 있으며 마모 입자 신호는 동시에 연마 입자의 속도와 크기에 영향을 받습니다.

1-18의 유속에서 187μm 강자성을 달성할 수 있습니다 L/min 금속 연마 입자 및 578μm 비강자성 금속 연마 입자의 검출은 BP 신경망과 결합되어 오일 금속 연마 입자의 특성 매개변수를 적응적으로 구별할 수 있으며, 이는 오일 연마 입자의 개발에 대한 이론적 지원을 제공합니다.

미래의 라인 모니터링 장비 그리고 기술 지원은 기계 장비의 고장 진단을 위한 중요한 기반을 제공합니다.

Key words

oil,wear particle detection,coherent demodulation,multilayer shielding

Reference

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