电容角位移式智能金属管浮子流量计的研究  

Investigation of the Smart Metal Tube Variable Area Flowmeter Based on the Capacitive Angular-position Transducer

作　　者：张涛[1] 徐英[1] 姜印平[1] 李宏锁[1] 

机构地区：[1]天津大学电气自动化及能源工程学院,天津300072

出　　处：《仪器仪表学报》2003年第3期231-235,244,共6页Chinese Journal of Scientific Instrument

基　　金：天津市自然科学基金资助项目

摘　　要：基于浮子流量计普遍流量方程 [1 ]及电容角位移式传感器检测机理的新型智能金属管浮子流量计 ,实现了对流量的精确测量。本文详细介绍该流量计计量原理、转换器的设计、信号的智能化处理、样机标定及误差分析 ,给出了 3台样机均显示可喜成绩 。Based on a general flow equation for the variable area flowmeter & the capacitive angular position transducer, this paper describes a new type of smart metal tube variable area flowmeter which has realized a high accurate measurement. Also its main parts are illustrated in detail, including a designed frame, a designed model of capacitive angular position transducer, signal processing, smart functions, prototype meter calibration and analyzing error. All of the three experimental prototype meters obtained a high accuracy.

关 键 词：智能金属管浮子流量计 电容 角位移传感器 浮子流量计 流量测量 误差分析 

分 类 号：TH814[机械工程—仪器科学与技术]