光功率推动电容式差压传感器在液位测量中的应用  

Application of the Optical-Powered Capacitance Differential Pressure Transducer in Liquid Level Measurement

作　　者：温淑慧[1] 段惠芳[1] 

机构地区：[1]燕山大学电气工程学院,河北秦皇岛066004

出　　处：《河北大学学报（自然科学版）》2001年第2期179-182,共4页Journal of Hebei University(Natural Science Edition)

摘　　要：介绍了电容式差压传感器油罐液位高度测量系统的组成及基本原理 ,提出了液位测量的差压方法 ,从理论和实验上论证测量电路的微功耗特点 .The paper introduces oilcan height of liquid level of the capacidance differential pressure transducer measurement system composition and its basic principle.The means of diffevential pressure of liquid level measurement has been presented.From theory and experiment, the low power loss performance of measurement circuit is demonstrated.

关 键 词：液位高度 差压式电容传感器 微功耗 液位测量 差压方法 测量电路 

分 类 号：TM938.8[电气工程—电力电子与电力传动] TP212.14[自动化与计算机技术—检测技术与自动化装置]