基于角度传感技术的杨氏模量实验仪研制

doi:10.14139/j.cnki.cn22-1228.2022.02.012

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摘要

高校物理实验课程中普遍选取拉伸法测量金属丝杨氏模量，但是实验装置功能不够完善，无法支撑实验者严格按照理论光路调试，测量结果不准确，也不利于培养学生严谨的治学态度。针对上述问题，研制一种新型的杨氏模量实验仪，引入角度检测装置，实现光杠杆平面镜和标尺倾角的实时测量、显示与调试，并编制新的实验方案。搭建样机并开展实验验证，数据误差及实验过程均有明显改善。

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关键词: 杨氏模量拉伸法倾角检测光路调试

Abstract:

The tensile method is generally used to measure the young’s modulus of metal wire in college physics experiment courses,but the function of the experimental device is not perfect enough to support the experimenter to debug strictly according to the theoretical optical path,the measurement results are inaccurate, and it is not conducive to cultivating students’rigorous academic attitude.In view of the above problems, a new young’s modulus experimental instrument is developed,and the angle detection device is introduced to realize the real-time measurement, display and debugging of the inclination of the optical lever plane mirror and ruler. and a new experimental scheme is compiled.The prototype is built and experimental verification is carried out The data error and experimental process are significantly improved.

Key words: Young’s modulus stretching method angle calibration optical adjustment

出版日期: 2022-04-25 发布日期: 2022-04-25 整期出版日期: 2022-04-25

ZTFLH:

G 642.0

引用本文:

李鹏宇, 胡翠莹, 高洪悦, 姚金林, 张少梅, 张进娟, 刘维慧, 苗永平. 基于角度传感技术的杨氏模量实验仪研制 [J]. 大学物理实验, 2022, 35(2): 55-69.
LI Pengyu , HU Cuiying , GAO Hongyue , Y AO Jinlin , ZHANG ShaomeiZHANG Jinjuan , LIU Weihui , MIAO Yongping. Development of Young smodulus Tester Based on Angle Sensing Technology . Physical Experiment of College, 2022, 35(2): 55-69.

链接本文:

http://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2022.02.012 或 http://dawushiyan.jlict.edu.cn/CN/Y2022/V35/I2/55

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