A Resistance-Inductance Debris Sensor Based on Microfluidic Fabrication

被引：0
|
作者：
Shi H. [1 ]
Zhang H. [1 ]
Xie Y. [1 ]
Sun Y. [1 ]
机构：
[1] College of Marine Engineering, Dalian Maritime University, Liaoning, Dalian
来源：
Zhongguo Jixie Gongcheng/China Mechanical Engineering | 2022年 / 33卷 / 20期
关键词：
debris sensor; inductance parameter; microfluidic fabrication; resistance parameter;
D O I：
10.3969/j.issn.1004-132X.2022.20.010
中图分类号：
学科分类号：
摘要：
A microfluidic-based sensor which might detect resistance and inductance parameters was fabricated to achieve high-precision measurement of metal debris in oil. The characteristics of magnetization and eddy current effects of metal particles in harmonic magnetic field were obtained by simulation, and the voltage and frequency characteristics of resistance and inductance detections were also studied by experiments. High-frequency excitation might enhance the eddy current effects inside metal particles, and excitation voltages had little effects on the detection results of sensors. The results show that inductance parameter has stronger detection ability for ferromagnetic metals, and resistance parameter has stronger detection ability for non-ferromagnetic metals. At 2.0 V, 2.0 MHz excitation, the sensor may effectively identify 60 jum diameter copper particles and 16 ,um diameter iron particles by comparing and analyzing resistance and inductance detection results. The method of detecting non-ferromagnetic metal debris based on coil resistance parameters provides a new way to enhance the comprehensive performance of debris sensors. © 2022 China Mechanical Engineering Magazine Office. All rights reserved.
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页码：2468 / 2475
页数：7
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