基于电阻应变效应的惠斯通电桥测量重量实验  

Experiment of Weight Measurement withWheatstone BridgeBased on Resistance Strain Effect

作　　者：丰远 边健[1] 刘慧[1] 夏传鸿[1] 马翠玲[2] Feng Yuan;Bian Jian;Liu Hui;Xia Chuanhong;Ma Cuiling(School of Advanced Manufacturing Engineering;School of Urban Construction and Communications,Hefei University,Hefei,Anhui 230601,China)

机构地区：[1]合肥学院先进制造工程学院,安徽合肥230601 [2]合肥学院城市建设与交通学院,安徽合肥230601

出　　处：《黑龙江工业学院学报（综合版）》2020年第10期45-48,共4页Journal of Heilongjiang University of Technology(Comprehensive Edition)

基　　金：安徽省级质量工程教学研究项目“应用型本科高校自制物理实验设备的研究与应用”(项目编号:2018jyxm0377);合肥学院教学研究项目“基于CUPT模式的大学物理创新性实验教学研究”(项目编号:2020hfjyxm39);合肥学院示范实验实训中心项目“大学物理实验实训示范中心”(项目编号:2018hfsxzx03)。

摘　　要：为了方便快速的测定待测物体的重量,拟构建一种测重实验装置,利用应变电阻效应和惠斯通电桥原理把力学应变转换成电阻值的变化,经过标定电压灵敏度和测量即可获得待测物体的重量。实验表明,本装置具有反应速度快、灵敏度高、便于控制等优点。In order to obtain the weight of the object quickly and conveniently,a weight measuring experimental device is constructed in this paper.Based on the resistance strain effect and Wheatstone bridge,we convert the mechanical strain into the resistance variation,and then measure the weight by calibration voltage sensitivity.It is found that the electrical measurement device have the advantages of fast response,high sensitivity and easy control.

关 键 词：惠斯通电桥 应变电阻效应 电阻应变式传感器 

分 类 号：O441.1[理学—电磁学]