西安石油大学机械工程学院
纸质出版:2024
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吴伟, 吕浩文, 李博, 等. 基于环形均匀磁场的磨粒传感器设计[J]. 传感器与微系统, 2024,(2):105-109.
吴伟, 吕浩文, 李博, 等. 基于环形均匀磁场的磨粒传感器设计[J]. 传感器与微系统, 2024,(2):105-109. DOI: 10.13873/J.1000-9787(2024)02-0105-05.
针对传统的电感式磨粒传感器流量较小、监测区域磁感应强度较低、梯度较大的问题,设计了一种基于环形均匀磁场的磨粒传感器。通过设计环形流道,实现在监测区域内产生均匀径向磁场。同时分析了磁路截面面积与传感器磁感应强度的关系,并比较不同磁极截面形状对磁感应强度的影响,完成了对传感器的结构优化,得出采用楔形磁极可有效提高磁场利用率。利用Ansys软件建立传感器的三维有限元模型,揭示了传感器的静磁场和瞬态特性。利用单磨粒无油液实验,对比分析实验结果与仿真结构的输出特性,验证了传感器的有效性。实验结果表明,传感器在采用低倍率放大器的情况下,可检测出0.28 mm的铁磁性磨粒,与现有的传感器相比具有较高的灵敏度。
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张进武,刘若晨,孙见忠.变工况下滑动磨损静电多传感器融合监测方法[J].传感器与微系统,2020(12).
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何永勃,徐斌.基于电容传感器的飞机滑油磨粒检测系统设计[J].传感器与微系统,2016(10).
吴瑜,张洪朋,王满,陈海泉,孙玉清.金属颗粒形态对电感式传感器输出特性影响的研究[J].仪器仪表学报,2015(10).
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