电感式磨粒在线监测传感器的激励特性分析  

Analysis on incentive characteristic of inductance wear particle on-line monitoring sensor

作　　者：李萌[1] 郑长松[1] 李和言[1] 陈讬 

机构地区：[1]北京理工大学机械与车辆学院,北京100081

出　　处：《传感器与微系统》2014年第6期19-22,30,共5页Transducer and Microsystem Technologies

基　　金：总装装备预先研究项目(40402010104);坦克传动国防科技重点实验室基金资助项目(910C340101113402)

摘　　要：针对电感磨粒传感器对小颗粒感应电动势微弱的现象,运用电磁原理、交流电原理、毕奥—萨伐尔原理,建立了该型传感器的感应电动势的数学模型,分析了激励频率、磨粒大小对感应电动势的影响,以及双磨粒通过传感器的情况,并进行了试验,验证了模型的正确性,为该型传感器的工程应用设计提供了依据。To solve problem of inductance wear particle sensor producing weak inductive electromotive force to small particles, with the principle of electromagnetic, alternating current （ AC ） principle, Biot-Savart principle, mathematical model of inductive electromotive force is deduced, incentive frequency, influence of wear particle size on inductive electromotive force and condition of two wear particles passing through the sensor and experiment is carried out, correctness of the model is verified by experiment, which provide basis for design of engineering application of this type of sensor.

关 键 词：磨粒传感器 数学模型 激励频率 磨粒大小 双磨粒 

分 类 号：TP212.13[自动化与计算机技术—检测技术与自动化装置]