The Design of Moisture Content of Lubricating Oil Detecting System Based on AD5933

被引：2
|
作者：
Liao Qiang [1 ]
Fan Weidong [1 ]
Wu Jiang [1 ]
Xu Tao [1 ]
机构：
[1] Chongqing Univ, Coll Mech Engn, Chongqing 400044, Peoples R China
来源：
FRONTIERS OF MANUFACTURING SCIENCE AND MEASURING TECHNOLOGY III, PTS 1-3 | 2013年 / 401卷
关键词：
Lubricating oil; Impedance method; AD5933; Capacitive sensor;
D O I：
10.4028/www.scientific.net/AMM.401-403.1129
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In order to detect lubricating oil moisture content quickly, and replace lubricating oil of equipment in time, impedance type moisture content of lubricating oil detecting system based on AD5933 and cylindrical coaxial capacitive sensor are explored. The paper selected the excitation voltage amplitude and frequency reasonably, and studied the relationship between water content of lubricating oil and impedance value. The result suggests that when the excitation voltage amplitude is 2V, the frequency ranges from 4 kHz to 6 kHz, moisture content of lubricating oil is closely related to impedance value and lubricating oil resistance value decreases with the increase of its moisture content. In addition, the mathematical model between moisture content of lubricating oil and the impedance value is established, moisture content of lubricating oil can be calculated according to the impedance value.
引用
收藏
页码：1129 / 1134
页数：6
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