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Device for mapping magnetizing characteristic curve of ferromagnetic materials and mapping method thereof

A technology of magnetization characteristics and ferromagnetic materials, applied in hysteresis curve measurement, magnetic performance measurement, teaching models, etc., can solve the problems that have not yet been found in the closest existing literature, hard magnetic samples have low permeability, and are not easy to magnetize, etc. question

Inactive Publication Date: 2009-09-02
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the dynamic hysteresis loop mapping method is superior to the static hysteresis loop mapping method, why not use dynamic hysteresis loop mapping to study the magnetization characteristics of hard magnetic samples? The reason is that the surveying and mapping of the dynamic hysteresis loop not only has the hysteresis loss in the surveying and mapping of the static hysteresis loop, but also the eddy current loss. In addition, it is difficult to grasp the dynamic hysteresis loop of the hard magnetic sample because of the Low magnetic permeability, not easy to magnetize
[0004] After retrieving existing documents at home and abroad, no existing documents closest to the present invention have been found

Method used

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  • Device for mapping magnetizing characteristic curve of ferromagnetic materials and mapping method thereof
  • Device for mapping magnetizing characteristic curve of ferromagnetic materials and mapping method thereof
  • Device for mapping magnetizing characteristic curve of ferromagnetic materials and mapping method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0055] Device for surveying and mapping the magnetization characteristic curves of Cr12 and MnZn ferrite

[0056] exist figure 1 Among them, the device for measuring and mapping the magnetization characteristic curve of Cr12 and MnZn ferrite includes oscilloscope, signal generator, cabinet, digital voltmeter UB, digital voltmeter UH, digital voltmeter 12V power supply circuit, band switch SB, connector XS1 / XP1~XS8 / XP8, resistance Rx, resistance Ry, electrolytic capacitor Cy and panel; the device also includes hard magnetic samples and soft magnetic samples, wherein the hard magnetic samples include hard magnetic cores, primary windings N 1 and the secondary winding N 2 , the hard magnetic core is made of Cr12 into a circular ring, each with a wire wound clockwise on the hard magnetic core to form the primary winding N 1 with the secondary winding N 2 ; Soft magnetic samples include soft magnetic core, primary winding n 1 and the secondary winding n 2 , the soft magnetic ...

Embodiment 2

[0082] A device for measuring and mapping the magnetization characteristic curves of 9Mn2V and NiZn ferrite

[0083] The hard magnetic core and soft magnetic core in this device are respectively made of 9Mn2V and nickel-zinc ferrite into circular rings. The hard magnetic samples include hard magnetic core, primary winding N 1 and the secondary winding N 2 , the primary winding N on a hard magnetic core 1 with the secondary winding N 2 It is formed by winding a wire on the hard magnetic core in a counterclockwise direction; the soft magnetic sample includes a soft magnetic core, a primary winding n 1 and the secondary winding n 2 , the primary winding n on the soft magnetic core 1 and the secondary winding n 2 It is formed by respectively winding a wire on the soft magnetic core in the counterclockwise direction, and the primary winding N on the hard magnetic core and the soft magnetic core 1 , n 1 The wire diameter is 0.66×10 -3 m, secondary winding N on hard and soft ...

Embodiment 3

[0108] Device for Surveying and Drawing 9SiCr and DG2 Magnetization Characteristic Curves

[0109] The hard magnetic core and soft magnetic core in the device are made of 9SiCr and silicon steel respectively, and the hard magnetic samples include hard magnetic core, primary winding N 1 and the secondary winding N 2 , the primary winding N on a hard magnetic core 1 with the secondary winding N 2 It is formed by winding a wire respectively on the hard magnetic core in counterclockwise and clockwise directions; the soft magnetic sample includes a soft magnetic core, primary winding n 1 and the secondary winding n 2 , the primary winding n on the soft magnetic core 1 and the secondary winding n 2 It is formed by winding a wire on the soft magnetic core in counterclockwise and clockwise directions respectively. The primary winding N on the hard magnetic core and the soft magnetic core 1 , n 1 The wire diameter is 0.88×10 -3m, secondary winding N on hard and soft cores 2 , ...

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Abstract

The invention relates to a device for mapping magnetizing characteristic curves of ferromagnetic materials and a mapping method thereof. The device comprises a hard magnetic sample, a soft magnetic sample, a case, a digital voltmeter UB, a UH, a power supply circuit of the UH, a waveband switch SB, connectors XS1 / XP1-XS8 / XP8, resistors Rx, Ry, a capacitor Cy and a panel. The mapping method comprises the following steps of switching on an electric source of the device, selecting the voltage input parameter of a signal generator and the mapping parameter of an oscillograph, demagnetizing the hard magnetic sample and the soft magnetic sample, scaling an X axis and a Y axis on the oscillograph and observing and mapping the fundamental magnetization curves and the magnetic hysteresis loops of the soft magnetic sample and the hard magnetic sample. The invention can respectively observe and map the dynamic magnetic hysteresis loops of the hard magnetic sample and the soft magnetic sample, is convenient for intuitively understanding and mapping the magnetizing characteristics of the hard magnetic sample and the soft magnetic sample, has high detection precision and compact structure and is used for researching the magnetizing characteristics of the ferromagnetic materials or electrical experiment teaching.

Description

technical field [0001] The invention relates to a surveying device and a surveying method for the magnetization characteristic curve of ferromagnetic materials, in particular to a surveying device and a surveying method for the dynamic magnetization characteristic curves of hard magnetic samples and soft magnetic samples, which are used for comprehensively understanding and studying the magnetization characteristics of ferromagnetic materials, It can also be used in the teaching of electrical experiments. Background technique [0002] The surveying and mapping of the basic magnetization curve and hysteresis loop of ferromagnetic materials is involved in the study of the magnetization characteristics of ferromagnetic materials and the electrical experiment teaching. Through the surveying and mapping of the magnetization characteristic curves and hysteresis loops of ferromagnetic materials, a comprehensive understanding and research of ferromagnetic materials can be achieved. ...

Claims

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Application Information

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IPC IPC(8): G01R33/14G09B23/18
Inventor 戴心锐马玉利
Owner CHONGQING UNIV
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