| 基于单片机的亥姆霍兹线圈磁场分布测量装置的研制 |
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| 引用本文： | 聂士忠.基于单片机的亥姆霍兹线圈磁场分布测量装置的研制[J].大学物理实验,2011,24(4):55-57. |
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| 作者姓名： | 聂士忠 |
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| 作者单位： | 中国石油大学,山东东营,257061 |
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| 基金项目： | 中国石油大学2008年教学实验技术改革项目“普通物理实验教学体系改革与系列实验项目开发”资助;中国石油大学2008年教学实验技术改革项目 |
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| 摘 要： | 介绍了设计制作的基于AVR单片机的亥姆霍兹线圈磁感应强度分布测量装置。单片机统一协调和控制整个系统的工作,步进电机和丝杆控制霍尔元件的移动,A/D芯片将霍尔电压转换为数字信号,通过USB接口传输到上位机,上位机计算磁感应强度,并画出磁感应强度分布曲线。装置工作稳定,测量结果与理论值符合较好,可用于学生实验或演示实验中。
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| 关 键 词： | 单片机 亥姆霍兹线圈 磁感应强度分布 测量装置 |
Design and Manufacture of the Device for Measuring Helmoholtz Coil Magnetic Induction Intensity Based on AVR Microcontroller |
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| NIE Shi-zhong.Design and Manufacture of the Device for Measuring Helmoholtz Coil Magnetic Induction Intensity Based on AVR Microcontroller[J].Physical Experiment of College,2011,24(4):55-57. |
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| Authors: | NIE Shi-zhong |
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| Institution: | NIE Shi-zhong(China University of Petroleum,Dongying 257061) |
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| Abstract: | The device for measuring Helmoholtz coil magnetic induction intensity based on AVR microcontroller is introduced.This device works under the control of a microcontroller,the Hall probe is driven by the screw mandrel and a step motor,the Hall voltage is converted to digital signal by an A/D chip and is transmitted to a computer.The magnetic induction intensity is calculated and the distribution curve is drawed by the computer.The device works stably and the result obtained by this device is almost the same c... |
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| Keywords: | microcontroller Helmoholtz coil magnetic induction intensity measuring device |
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