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基于线性霍尔传感器的太阳能磁悬浮演示仪
引用本文:陈文娟,吴飞斌,张晋平.基于线性霍尔传感器的太阳能磁悬浮演示仪[J].大学物理,2011,30(8):36-39.
作者姓名:陈文娟  吴飞斌  张晋平
作者单位:中国石油大学(华东)物理科学与技术学院,山东青岛,266555
基金项目:中国石油大学2010年教学改革项目(SY-B201044)资助
摘    要:应用电磁学理论、机械力学以及电子技术自制了一套太阳能磁悬浮演示仪,该演示实验仪由太阳能电池供电,利用线性霍尔传感器来探测悬浮物体的位移,以达到控制悬浮的目的,添加数码管电压显示电路,可以定量显示电磁铁的磁性在悬浮过程中随悬浮物位置变化的自动调整,能精确而直观地演示磁悬浮的物理现象该仪器结构简单、性能稳定、操作方便,能广...

关 键 词:太阳能  线性霍尔传感器  磁悬浮  电压显示

A demonstration device of solar magnetic suspension based on linear Hall-sensor
CHEN Wen-juan,WU Fei-bin,ZHANG Jin-ping.A demonstration device of solar magnetic suspension based on linear Hall-sensor[J].College Physics,2011,30(8):36-39.
Authors:CHEN Wen-juan  WU Fei-bin  ZHANG Jin-ping
Institution:CHEN Wen-juan,WU Fei-bin,ZHANG Jin-ping(College of Physical Science and Technology,China University of Petroleum,Qingdao,Shandong 266555,Chian)
Abstract:A demonstration device of solar magnetic suspension is introduced by using the electro-magnetic theory,mechanical and electronic technologies.This instrument is powered by solar energy,designed with integrated linear Hall sensor to probe the suspended object's displacement,and quantitatively displays automatic adjustment of the electromagnet's magnetism through digital tube voltage display circuit,which can accurately and visually demonstrate the physical phenomenon of magnetic suspension.The structure of t...
Keywords:solar energy  linear Hall sensor  magnetic suspension  voltage display  
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