计量学报2026，Vol.47Issue(3)：431-441,11.DOI:10.3969/j.issn.1000-1158.2026.03.15
基于异构线圈电磁传感器的滑油磨粒检测方法
Detection Method of Lubricating Oil Abrasive Debris Based on Heterogeneous Coil Electromagnetic Sensors
摘要
Abstract
To address the issue of detection accuracy in electromagnetic-based debris sensors for lubricating debris monitoring in aviation engine being affected by the uniformity of the internal magnetic field,a novel heterogeneous electromagnetic sensor composed of multiple external excitation coils and an internal sensing coil was proposed.Theoretical and finite element models of the heterogeneous coil sensor were established.The distribution characteristics of the internal magnetic field were investigated,under the same conditions,the magnitude of the magnetic field variation in the detection area of the heterogeneous coil was only 19.25%of that in a traditional three-coil structure,with a uniformity area exceeding 87.46%at a uniformity level better than 1%.Experimental verified that the deviation in detection voltage values for iron and copper wear particles of the same size passing through different radial positions was within 3.95%and 4.67%,respectively,corresponding to equivalent diameter recognition errors of 1.30%and 1.53%of the actual particle diameter.The relative uncertainty σ of the induced signals when debris passed the sensor along different paths was less than 3.6%.The uniformity η of the detection signals for iron and copper particles was less than 0.043 8 and 0.057 5,respectively.The detection linearity for iron debris of 250-600 µm and copper debris of 450-900 µm was found to be 4.27%and 6.89%respectively.The results indicated that the proposed new heterogeneous electromagnetic sensor can provide engineering support for the development of a high-precision online monitoring system for abrasive debris in aircraft engine lubricants.关键词
电学计量/磨粒检测/异构线圈/电磁传感器/滑油磨粒/飞机发动机润滑油/均匀磁场Key words
electrical measurement/debris detection/heterogeneous coil/electromagnetic sensors/lubricating debris/aircraft engine lubricants/uniform magnetic field分类
通用工业技术引用本文复制引用
贾宝惠,段博文,丁梓航,熊亿杰,朱圣泓..基于异构线圈电磁传感器的滑油磨粒检测方法[J].计量学报,2026,47(3):431-441,11.基金项目
国家自然科学基金(U2033209) （U2033209）
天津市研究生科研创新(2023YJSKC09008) （2023YJSKC09008）
