| 车用润滑油在线监测方法与监测系统 |
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| 引用本文： | 刘玉梅,王庆年,曹晓宁,熊伟,李雪海. 车用润滑油在线监测方法与监测系统[J]. 吉林大学学报(工学版), 2009, 39(6): 1441-1445 |
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| 作者姓名： | 刘玉梅 王庆年 曹晓宁 熊伟 李雪海 |
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| 作者单位： | 吉林大学,交通学院,长春,130022;吉林大学,汽车工程学院,长春,130022;长春轨道客车股份有限公司,长春,130025 |
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| 基金项目： | 863国家高技术研究发展计划项目,长春市科技基金 |
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| 摘 要： | 通过理论和试验分析的方法确定了介电常数作为润滑油品质衰变评价指标的可行性,研发了准确检测润滑油介电常数的玻璃管型车载电容传感器及脉冲调宽式振荡检测电路,并以此为基础开发了润滑油综合性能在线监测系统,从而实现了车用润滑油的按质换油,克服了"观察换油"或"按期换油"的弊端。
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| 关 键 词： | 车辆工程 润滑油 介电常数 电容式传感器 在线监测系统 |
Vehicle lubrication oil on-line monitoring method and monitoring system |
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| LIU Yu-mei,WANG Qing-nian,CAO Xiao-ning,XIONG Wei,LI Xue-hai. Vehicle lubrication oil on-line monitoring method and monitoring system[J]. Journal of Jilin University:Eng and Technol Ed, 2009, 39(6): 1441-1445 |
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| Authors: | LIU Yu-mei WANG Qing-nian CAO Xiao-ning XIONG Wei LI Xue-hai |
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| Abstract: | The feasibility of using the dielectric constant as an evaluation index to evaluate the quality degradation of the lubrication oil was verified through theoretical analysis and experimental approach. A glass-tube sensor to detect accurately the dielectric constant of the lubrication oil and a related PWM oscillation delection circuit were developed. A monitoring system to monitor on-line the comprehensive properties of the lubrication oil was made up based on the above-mentioned components, thus realizing to change the vehicle lubrication oil according to its quality instead of according to visual obserration or on schedule. |
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| Keywords: | vehcile engineering lubrication oil dielectric constant capacitance sensor on-line monitoring system |
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