A Planar Inductive Based Oil Debris Sensor Plug

2019 13th International Conference on Sensing Technology (ICST) Pub Date : 2019-12-01 DOI:10.1109/ICST46873.2019.9047688

P. Muthuvel, B. George, G. Ramadass

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引用次数: 2

Abstract

Online monitoring of debris in hydraulic and lubrication oil is an effective method to enable preventive maintenance of the associated machinery. The debris particles generated by the machinery due to wear and tear are carried by the working or lubrication fluids. This paper presents a new online magneto-inductive sensor plug. The new sensor plug consists of a permanent magnet (PM) and a spiral-shaped planar sensor coil. The static magnetic field of the PM is utilized to attract the ferrous wear debris particles, that reach the oil tank/reservoir, to the sensor coil. The inductance of the sensor coil placed close to the PM will change as a function of the presence of magnetic/conductive debris. The change in inductance is measured using a high-resolution inductance to digital converter. The prototype of the proposed sensor unit is tested in an experimental setup similar to an industrial hydraulic system. The sensor responses for different size and quantities of debris particles were recorded after injecting them into the hydraulic circuit. The particles that are attracted towards the sensor plug are retained in the plug itself. Hence its recirculation in the machinery is avoided.

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一种基于平面电感的油屑传感器插头

对液压油和润滑油中的碎屑进行在线监测是对相关机械进行预防性维护的有效方法。机械因磨损而产生的碎片颗粒由工作液或润滑液携带。本文提出了一种新型在线磁感应传感器插头。新型传感器插头由永磁体(PM)和螺旋形平面传感器线圈组成。PM的静态磁场被用来吸引到达油箱/储油器的铁磨损碎片颗粒到传感器线圈。放置在PM附近的传感器线圈的电感将随着磁性/导电碎片的存在而变化。电感的变化是用高分辨率电感数字转换器测量的。所提出的传感器单元的原型在类似于工业液压系统的实验装置中进行了测试。记录了不同尺寸和数量的碎屑颗粒注入液压回路后传感器的响应。被吸引到传感器插头的粒子被保留在插头本身。这样就避免了它在机器中的再循环。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2019 13th International Conference on Sensing Technology (ICST)

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