Affiliation:
1. Shanghai Jiao Tong University
Abstract
A micro-channel oil debris monitoring sensor based on planar coil is presented. The sensor, composed of one planar coil and two solenoids, detects metallic debris passing through its center by monitoring induced electromotive force of the planar coil. Based on the detection principle of the sensor, the detection circuit mainly consists of instrumentation amplifier, filter and amplifier. The testing results showed that the ferromagnetic metal particles under 100μm can be detected.
Publisher
Trans Tech Publications, Ltd.
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