一种用于反应堆控制棒位置测量的LCR电桥装置  

An LCR Bridge Device for Measuring the Position of Reactor Control Rods

作　　者：李彦平 王文俊 LI Yan-Ping;WANG Wen-Jun(Department of Specialty Computer,Automation Research Institute of Co.,Ltd.of China South Industries Group,Mianyang Sichuan 621000,China)

机构地区：[1]中国兵器装备集团自动化研究所有限公司特种计算机事业部,四川绵阳621000

出　　处：《机电产品开发与创新》2021年第3期55-58,共4页Development & Innovation of Machinery & Electrical Products

摘　　要：本文设计了一种专用于国内某型反应堆棒控棒测系统的LCR电桥装置,该装置可通过测量控制棒专用传感器的容值变化从而精确判断控制棒的运行位置。本文分别对LCR电桥装置的系统设计、信号源设计、信号检测等各部分实现方案作了简要说明。该研究成果目前已经成功应用于我国某型反应堆的原型样机,棒位测量精度≤3mm,通过与国内外同类产品的性能比较,该装置的性能指标达到国内领先水平,接近世界先进水平。This article describes a kind of LCR bridge device specially dedicated to a certain type of reactor rod control rod measuring system in China.The device can accurately determine the operation position of the control rod by measuring change in the capacitance of the dedicated sensor for the control rod.This article explains the system design,signal source design,signal detection and other parts of LCR bridge device.The research results have been successfully applied to the prototype of a certain type of reactor in our country,and the measuring accuracy of rod position is less than or equal to 3 mm.Compared with similar products at home and abroad,the performance of the device has reached the domestic leading level and is close to the world advanced level.

关 键 词：LCR 反应堆 棒位测量 

分 类 号：TM938.45[电气工程—电力电子与电力传动]