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圆形直流线圈周围磁力线的测量电路设计

更新时间:2020-06-05 22:29:14 大小:1M 上传用户:songhuahua查看TA发布的资源 标签:圆形直流线圈磁力线 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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为了正确描绘圆形直流线圈周围磁力线分布情况,基于微分匀强磁场元测量原理,选用霍尔传感器,设计两种实验电路,分别为静态电位补偿法测量电路和两个相同霍尔元件串联的测量电路.主要介绍这两种测量电路的电路结构、工作原理及操作步骤.理论分析可知,两种测量电路可以测出圆形直流线圈周围磁力线分布情况.实验测试结果表明,静态电位补偿法测量电路测量的准确度不高,调零操作过多,实验操作过于繁杂;而两个相同霍尔元件串联的测量电路的测量准确度高,不需要人工调零操作,并能够自动消除霍尔元件的不等位电压的影响,测量操作简便.

In order to correctly depict magnetic field lines distribution around the circular and DC coil,two kinds of measuring circuit were designed based on the measuring principle of micro uniform magnetic field with hall sensor,which were the static potential compensation measuring circuit and two same hall elements being in series.This paper mainly introduces circuit structure,working principle and operation steps on the two experiment devices.Theoretical analysis shows that two kinds of experimental circuits can detect magnetic field lines distribution around circular and DC coil.Test results show that measurement accuracy of the static potential compensation measurement circuit is not high,ze...

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圆形直流线圈周围磁力线的测量电路设计.pdf 1M

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