振弦应变传感器校准装置的设计  

Design of calibration device for vibrating wire strain transducer

作　　者：张勇[1] 梁平[1] 张玉珍[1] 陈伟琪[1] 黄敏晗[1] 

机构地区：[1]广东省计量科学研究院,广州510405

出　　处：《工业仪表与自动化装置》2011年第4期52-55,共4页Industrial Instrumentation & Automation

摘　　要：基于弹性体振动理论,建立了振弦应变传感器输出频率与应变的数学模型表达式,提出该类传感器的校准方法,设计了校准装置。该装置利用计算机自动采集数据,并与电子表格结合,实现对振弦应变传感器进行可靠校准。Based on the theory of elastomer vibration,the math model of frequency signal output and strain for vibrating wire type transducer was established.The method for calibrating these transducers and measuring instrument were developed.Adopted computer data acquisition and EXCEL,it is reliable to calibrate vibrating wire type transducer by use this device.

关 键 词：振弦 传感器 应变 校准 不确定度 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]