Solenoid type specific susceptibility determinator

A specific magnetic susceptibility measuring instrument technology, which is applied in the field of solenoid specific magnetic susceptibility measuring instruments, can solve problems such as easy deviation to both sides, inaccurate electronic balance readings, unstable glass balls, etc., to achieve accurate measurement and simple device structure Effect

Inactive Publication Date: 2008-02-20
NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
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AI Technical Summary

Problems solved by technology

There is magnetic flux leakage at the magnetic pole head of the instrument. The glass ball with strong magnetic minerals is easily deflected to both sides during measurement, resulting in i...

Method used

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  • Solenoid type specific susceptibility determinator
  • Solenoid type specific susceptibility determinator
  • Solenoid type specific susceptibility determinator

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Embodiment Construction

[0007] The present invention will be further described below in conjunction with the accompanying drawings.

[0008] Referring to accompanying drawing 1, the present invention is made up of analytical balance 1, thin-walled glass tube 2, hollow solenoid coil 3 etc., and one end of thin-walled glass tube 2 is connected with analytical balance 1, and its main body is inserted in the hollow solenoid coil 3 , the hollow solenoid coil 3 is connected to the double switch 6, one end of the double switch 6 is connected to the DC power supply 7, the other end is connected to the switch 4, the switch 4 is connected to the DC power supply 7, and two DC ammeters 5 are respectively connected to the switch 4 on the loop.

[0009] Working principle of the present invention:

[0010] First, use the auxiliary circuit to convert the 220-volt alternating current into direct current, and divide it into positive and negative directions through the control system. By controlling the switch 5 and ...

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Abstract

The utility model relates to a solenoid type determinator for relative magnetic susceptibility, which belongs to a magnetism determination device on strong magnetism minerals; wherein, one end of a thin-walled glass tube of the determinator is connected with an analytical balance; the main body is inserted into a hollow solenoid coil, which is connected with a double switch; the double switch is connected with a direct-current power supply and a switch. The switch is connected with the direct-current power supply, and a direct-current amperemeter is connected in the loop of the switch. The utility model has the advantages that the structure is simple, the thin-walled glass tube inserted into the hollow solenoid coil is always stable and the measurement is precise.

Description

technical field [0001] The invention relates to a magnetic measuring device for strong magnetic minerals, in particular to a solenoid type specific magnetic susceptibility measuring instrument. Background technique [0002] At present, the existing specific magnetic susceptibility measuring instrument is composed of two coils wound on two pieces of engineering pure iron, with a distance of 25 mm in the middle, glass balls with strong magnetic minerals, electronic balances, Gaussian Meter, main circuit and auxiliary circuit. There is magnetic flux leakage at the magnetic pole head of the instrument. The glass ball with strong magnetic minerals is easily deflected to both sides during measurement, resulting in inaccurate readings on the electronic balance. Through many tests, it is found that the glass ball is always in an unstable state and it is difficult to Successfully complete the measurement task. Contents of the invention [0003] The object of the present invention...

Claims

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Application Information

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IPC IPC(8): G01R33/12G01R33/16G09B23/18
Inventor 牛福生高志明白丽梅梁银英孙达于洋
Owner NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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