Magnetic steel magnetic field automatic detection device

An automatic detection and magnetic steel technology, which is applied in the direction of measuring devices, measuring magnetic variables, instruments, etc., can solve the problems that the spatial magnetic field distribution of the magnetic field source cannot be fully given, the degree of automation is low, and the single-dimensional detection of the magnetic field space is inaccurate.

Inactive Publication Date: 2018-11-27
TIANJIN POLYTECHNIC UNIV
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  • Abstract
  • Description
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Problems solved by technology

[0004] The invention solves the problems of inaccurate single-dimensional detection of magnetic field space, inability to completely give the spatial magnetic field distribution of the entire mag

Method used

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  • Magnetic steel magnetic field automatic detection device
  • Magnetic steel magnetic field automatic detection device
  • Magnetic steel magnetic field automatic detection device

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Embodiment Construction

[0016] combine figure 1 , figure 2 , image 3 This embodiment will be described.

[0017] A magnetic steel magnetic field automatic detection device designed by the present invention includes a measuring platform, a lifting platform, and a mounting base, such as figure 1 shown.

[0018] The horizontal linear feed mechanism and the magnetic field sensor slide block are installed and fixed on the measuring table as figure 2 shown. The horizontal linear feed mechanism is composed of a stepping motor, a magnetic field sensor slider, a push rod, and a guide groove. The horizontal linear feed mechanism pushes the magnetic field sensor slider to reciprocate in the linear guide groove, so that magnetic field sensors at different distances can be realized. The measurement of steel magnetic field strength, and the travel distance of each horizontal feed mechanism is controlled by setting corresponding parameters on the touch screen, such as figure 2 shown.

[0019] The vertica...

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Abstract

The magnetic steel is one of the commonly used components in a steel pipeline corrosion defect and deformation magnetic flux leakage detection magnetizing system, and the space magnetic field distribution is important for magnetizing effect and magnetic flux leakage detection precision. A novel automatic measuring device is designed for measuring the space magnetic field of the cylindrical magnetic steel, the detection device consists of a measuring table, a lifting table, a mounting base, eight linear feeding mechanisms used for adjusting the measuring positions of the magnetic field sensor are evenly arranged on the magnetic steel magnetic field measuring table, the mechanism includes a stepping motor, a lead screw sliding block, a guide light bar, a magnetic field sensor propelling rod,and magnetic field intensity distribution measurement of different positions of the same section of the magnetic steel is realized; the vertical lifting mechanism of the magnetic steel is composed ofa servo air cylinder, a lifting rod, a connecting rod and a sliding block, and through the combination with the linear feeding mechanism of the measurement position of the magnetic field sensor, themagnetic field intensity of different sections in the height direction of the magnetic steel can be measured, and therefore the drawing of the magnetic field intensity distribution of the space aroundthe magnetic steel is realized.

Description

technical field [0001] The invention belongs to the field of magnetic field detection, and relates to a detection device for detecting the spatial distribution of the magnetic field of a magnetic steel. Background technique [0002] Magnetic steel is widely used in the detection of corrosion defects and deformation of steel materials. Its magnetic field distribution has a great influence on the magnetization effect and deformation of steel materials, and the leakage magnetic field intensity at defects. It is very necessary to study the magnetic steel magnetic field intensity. However, there are few domestic researches on the magnetic steel magnetic field intensity measurement. There is no automatic detection device for the magnetic steel magnetic field. Tesla meter manual methods are mostly used, which cannot comprehensively and systematically evaluate the spatial distribution characteristics of the magnetic steel magnetic field intensity. And the degree of automation is low...

Claims

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Application Information

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IPC IPC(8): G01R33/10
CPCG01R33/10
Inventor 张宏杰杨波赵春阳
Owner TIANJIN POLYTECHNIC UNIV
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