Research on calculation and measurement method of magnetic field for tunnel water detection by MRS

FANG Xiu-cheng; SUN Shu-qin; WANG Ying-ji; LIN Jun

doi:10.13873/J.1000-9787(2015)06-0050-04

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Research on calculation and measurement method of magnetic field for tunnel water detection by MRS

更新时间：2025-09-11

- Research on calculation and measurement method of magnetic field for tunnel water detection by MRS
- Vol. 34, Issue 6, Pages: 50-53+57(2015)
- 作者机构：
  
  吉林大学仪器科学与电气工程学院/地球信息探测仪器教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2015)06-0050-04
  CLC： P641.7
- Published：2015
- 稿件说明：
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[1]方秀成,孙淑琴,王应吉,林君.坑道水核磁共振探测激发磁场计算与测试方法研究[J].传感器与微系统,2015,34(06):50-53+57.

FANG Xiu-cheng, SUN Shu-qin, WANG Ying-ji, et al. Research on calculation and measurement method of magnetic field for tunnel water detection by MRS[J]. 2015, 34(6): 50-53+57.
[1]方秀成,孙淑琴,王应吉,林君.坑道水核磁共振探测激发磁场计算与测试方法研究[J].传感器与微系统,2015,34(06):50-53+57. DOI： 10.13873/J.1000-9787(2015)06-0050-04.

FANG Xiu-cheng, SUN Shu-qin, WANG Ying-ji, et al. Research on calculation and measurement method of magnetic field for tunnel water detection by MRS[J]. 2015, 34(6): 50-53+57. DOI： 10.13873/J.1000-9787(2015)06-0050-04.

摘要

提出一种测量激发场垂直于地磁场分量的测量方法:应用固定线圈电磁感应法测量激发场

应用磁通门传感器测量地磁场

通过矢量运算求解激发场垂直于地磁场的分量。制作了激发场测量装置

通过对比激发场的径向分量和轴向分量的理论计算值和实测值

验证测量装置有效性。分析固定点处激发场垂直于地磁场的分量受线圈布设方向的影响

推导出固定点处激发场垂直于地磁场的分量取最大值时线圈布设角度求解方法

为实际探测线圈布设方向提供理论指导。

Abstract

Magnetic field component values

which is vertical to the geomagnetic field is put forward: the fixed coils electromagnetic induction method is adopted to detect the magnetic field

flux-gate sensor method is adopted to detect geomagnetic field

the magnetic field’s component values

which is vertical to the geomagnetic field

is calculated through the vector calculation. The magnetic field detection device is made. By comparing theoretical calculation with actual measurement of magnetic field’s radial component values and axial component values

the magnetic field detection device is proved to be effective. The influnence

which is caused by the excitation direction of coil changed

to a fixed point’s magnetic field component values

which is vertical to the geomagnetic field

is analyzed. The method to calculate the excitation coils ’ best direction is put forward. In this direction

a fixed point’s magnetic field component values

which is vertical to the geomagnetic field

is the biggest. As a result

it gives a theory guidence in the specific detection.

关键词

Keywords

references

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复杂条件下地下水磁共振探测与灾害水源探查研究进展 [J]. 林君,蒋川东,段清明,王应吉,秦胜伍,林婷婷. 吉林大学学报(地球科学版) . 2012(05)

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交变磁场测量数学模型及类匀强场的建立 [J]. 康中尉,罗飞路,胡媛媛,曹雄恒. 无损检测 . 2004(11)

磁通门传感器及其模拟处理电路的研究 [D]. 尹春晓. 吉林大学 2010

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