润滑油金属磨粒传感器设计及试验研究
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摘要
根据电磁感应原理提出一种润滑油金属磨粒传感器模型,并对金属磨粒传感器的基本结构和检测电路进行设计。在传感器测试试验台上对传感器检测抗磁性磨粒和铁磁性磨粒的能力进行测试,研究电压、温度对传感器的影响。测试结果显示:传感器可以准确判别润滑油内的铁磨粒和铜磨粒,其中铁磨粒和铜磨粒的最小检测直径分别为200μm和500μm;在3~5 V电压下该传感器的输出特性稳定;在20~60℃温度范围,温度对传感器的影响可忽略,传感器测量精度满足要求。
A model of metal wear debris sensor for lubricating oil was presented based on the principle of electromagnetic induction,and the basic structure and detection circuit of metal abrasive sensor were designed.The ability of the sensor to detect the anti-magnetic abrasive grains and ferromagnetic abrasive grains was tested on the sensor test bench,and the influence of voltage and temperature on the sensor was studied.The test results show that the sensor can accurately distinguish the iron abrasivegrains and copper abrasive grains in the lubricating oil.The minimum detection diameters of the iron and copper abrasive grains are 200 μm and 500 μm respectively. The output characteristic of the sensor is stable in the voltage range of 3 V to 5 V,and the effect of temperature on the sensor can be ignored accuracy and the measurement can meet the requirements in the temperature range of 20 ℃ to 60 ℃.
A model of metal wear debris sensor for lubricating oil was presented based on the principle of electromagnetic induction,and the basic structure and detection circuit of metal abrasive sensor were designed.The ability of the sensor to detect the anti-magnetic abrasive grains and ferromagnetic abrasive grains was tested on the sensor test bench,and the influence of voltage and temperature on the sensor was studied.The test results show that the sensor can accurately distinguish the iron abrasivegrains and copper abrasive grains in the lubricating oil.The minimum detection diameters of the iron and copper abrasive grains are 200 μm and 500 μm respectively. The output characteristic of the sensor is stable in the voltage range of 3 V to 5 V,and the effect of temperature on the sensor can be ignored accuracy and the measurement can meet the requirements in the temperature range of 20 ℃ to 60 ℃.
引文
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[2]RODRIGUEZ,DISHMAN J M,DICKENSF,et al.Modeling o two-dimensional spiral inductors[J].IEEE Transactions on Components,Hybrids,and Manufacturing Technology,1980,3(4):535-541.
[3]BALAKRISHNAN A,PALMER W D,JOINES W T,et al.The inductance of planar structures[C]//Proceedings of Applied Power Electronics Conference and Exposition.1993:912-921.
[4]HURLEY W G,DUFFY M C.Calculation of self and mutual impedances in planar magnetic structure[J].IEEE Transactions on Magnetics,1995,31(4):2416-2422.
[5]HURLEY W G,DUFFY M C.Calculation of self and mutual impedances in planar sandwich inductors[J].IEEE Transactions on Magnetics,1997,33(3):2282-2290.
[6]黎琼炜.新型油液在线监控技术[J].测控技术,2005,24(4):6-10.LI Q W,New type of on-line monitoring technology of oil liquid[J].Measurement and Control Technology,2005,24(4):6-10.
[7]严新平,张月雷,毛军红.在线油液监测技术现状与展望:2011年全国在线油液监测技术专题研讨会简述[J].润滑与密封,2011,36(10):1-3.YAN X P,ZHANG Y L,MAO J H.Development status and research scots of on-line oil monitoring technology[J].Lubrication Engineering,2011,36(10):1-3.
[8]谢友柏.摩擦学面临的挑战及其对策[J].中国机械工程,1995,6(1):6-9.XIE Y B.Challenges and countermeasures of tribology[J].China Mechanical Engineering,1995,6(1):6-9.
[9]CRAIG M,HARVEY T J,WOOD R J K,et al.Advanced condition monitoring of tapered roller bearings[J].Tribology International,2009,42:1846-1856.
[10]NIKNEJAD A M,MEYER ROBERT G.Analysis and optimization of monolithic inductor and transformers for RF ICs[C]//Proceedings of IEEE Custom Integrated Circuits Conference,1997:375-378.
[11]OSHIRO O,TSUJIMOTO H,SHIRAE K.A novel miniature planar induetor[J].IEEE Transactions on Magnetics,1987,23(5):3759-3761.
[12]范红波,张英堂,李志宁,等.电感式磨粒传感器中铁磁质磨粒的磁特性研究[J].摩擦学学报,2009,29(5):452-457.FAN H B,ZHANG Y T,LI Z N,et al.Study on the magnetic properties of the iron magnetic abrasive particles in the inductive sensor[J].Tribology,2009,29(5):452-457.
[13]PATRICK Y C,WONG S S.Physical modeling of spiral inductors on silicon[J].IEEE Transactions on Electron Devices,2000,47(3):560-568.
[14]REMKE R L,BURDICK G A.Spiral inductors for hybrid and microwave applications[C]//Proceedings of 24th Electron components Conference.1974:152-161.