高增益仪表放大器在拉力传感器中的优化实现

Optimized Design and Implementation of a High-Precision Instrumentation Amplifier in Tension Sensors

为解决变电站工程中管母提升时的管母平直性问题,本文设计一种应变片式拉力传感器。通过分析变电站管母的提升结构,采取仪表放大器对输入信号进行高倍放大,并通过单片机对信号进行处理。测试的结果表明,该拉力传感器具备实时性强、采样精度高、可靠性高、集成度高、成本低等优点,在变电站工程的管母提升吊点拉力监测领域具有好的推广前景。

To solve the problem of straightness in the lifting of busbars in substation engineering,this paper designs a strain gauge type tension sensor.By analyzing the lifting structure of the substation busbars,an instrument amplifier is used to amplify the input signal at high magnification,and the signal is processed by a microcontroller.The test results show that the tension sensor has advantages such as strong real-time performance,high sampling accuracy,high reliability,high integration,and low cost.It has good promotion prospects in the field of tension monitoring for lifting points of substation engineering.