一种电容式应变传感器设计  

作　　者：宫占江[1] 孙立凯[1] 毕佳宇 宋尔冬 

机构地区：[1]中国电子科技集团公司第49研究所,黑龙江哈尔滨150001

出　　处：《科技创新与应用》2022年第6期123-125,共3页Technology Innovation and Application

摘　　要：文章介绍一种通过电容变化探测应变信号的传感器。该传感器主要通过改变电容极板间的面积来获得电容值的变化,从而测量应变量。为保证传感器在工作中有较大的电容值变化量,设计一种双电容结构,保证传感器的灵敏度,该传感器的检测单元包括一个动极板、两个定极板和一个电路组件。A kind of sensor for detecting strain signal by capacitance change is introduced in this paper.The sensor mainly obtains the change of the capacitance value by changing the area between the capacitive plates,so as to measure the strain.In order to ensure that the sensor has a large change of capacitance,a double capacitance structure is designed in order to ensure the sensitivity of the sensor whose detection unit includes a moving plate,two fixing plates and a circuit component.

关 键 词：可变电容 应变 双电容 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]