传感技术学报2016，Vol.29Issue(5)：681-685,5.DOI:10.3969/j.issn.1004-1699.2016.05.010
单管计算电容式燃料液位传感器理论特性研究
Research on the Theoretical Characteristic of Single-Tube Cross Capacitance Fuel Level Sensor
摘要
Abstract
It is of important practical significance to use the principle cross capacitance on sensor development be-cause of its extremely high accuracy in the field of electromagnetic metrology. The principle firstly used in fuel level measurement to overcome the capillarity and the error due to machining and assembly in traditional capacitance lev-el sensor. With in-depth research on the principle,a new structure of cross capacitance was designed and modified. Meanwhile the appropriate correction parameter and measuring formulas was obtained by the fuel level measure-ment model of the new structure. Finally,the fuel level is experimented with purity 99.8%alcohol,the range of mea-surement is 180 mm,and the output capacitance is between 0.6 pF~17 pF. The results indicate that the fuel level has a good linear with the output capacitance,the linearity is respectively 0.48%. The research laid a foundation for the application of the principle cross capacitance in engineering.关键词
燃料液位测量/计算电容原理/理论特性模型/单管式传感器Key words
fuel level measurement/principle cross capacitance/theoretical model/single-tube sensor分类
信息技术与安全科学引用本文复制引用
于航,禹静,李东升,王颖..单管计算电容式燃料液位传感器理论特性研究[J].传感技术学报,2016,29(5):681-685,5.基金项目
国防科工局技术基础"十二五"科研项目(科工技[20××]8××号) （科工技[20××]8××号）
