Magnetic field precision compensation and adjustment system and its construction method

A technology for precise compensation and adjustment systems, applied in control/adjustment systems, adjustment of magnetic variables, instruments, etc., can solve problems such as damage to the balance state of compensation, improve adjustment accuracy, reduce self-inductance and mutual-inductance effects, and simple operation structure Effect

Inactive Publication Date: 2015-10-07
JIANGHAN UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when the magnetic compensation reaches balance when there is an induced electromotive force, an excessive magnetic field will be generated due to the disappearance current of the induced electromotive force, thereby destroying the balanced state of the compensation.

Method used

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  • Magnetic field precision compensation and adjustment system and its construction method
  • Magnetic field precision compensation and adjustment system and its construction method
  • Magnetic field precision compensation and adjustment system and its construction method

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0018] see figure 2 , a method for constructing a magnetic field precision compensation and adjustment system provided by an embodiment of the present invention includes the following steps:

[0019] Step 100: Select three pairs of thin plates as magnetic field adjustment panels, wherein each pair of thin plates includes two thin panels;

[0020] Step 110: Set the length of each thin panel as s and the width as b, wherein the magnitude of s is 10 -1 m, the magnitude of b is 10 -2 m;

[0...

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Abstract

The invention discloses a magnetic field precision compensation and adjustment system and a construction method thereof. The magnetic field precision compensation and adjustment system comprises selecting three pairs of sheets to be served as magnetic field adjusting panels, wherein every pair of sheets comprise two thin panels; setting the length of every thin panel to be s and the width to be b, wherein the magnitude of s is from 10 to 1m and the magnitude of b is from 10 to 2m; sequentially arranging the two thin panels of every pair of sheets in a parallel mode to obtain cubic space which is formed by the three pairs of sheets to be served as magnetic field space, wherein the vertical distance between the two thin panels of any pair of sheets is h and the magnitude of h is from 10 to 2m. The magnetic field precision compensation and adjustment system has the advantages of not only reducing a self-inductance and mutual inductance effect caused by a coil but also being simple in operation structure and high in testing accuracy.

Description

technical field [0001] The invention belongs to the technical field of ball forbidden ion optical frequency standard, in particular to a magnetic field precision compensation and adjustment system and its construction method. Background technique [0002] As a device for precise time measurement, the ball-forbidden ion optical frequency standard has high requirements on the environment where the ion trap is located, especially the magnetic field. There are many factors that generate the magnetic field, mainly including the geomagnetic field, the magnetic field formed by the ion trap material being magnetized, and the ion pump magnet. Since the magnetic field will cause the first-order Zeeman effect of trapped ions, which will shift the clock transition frequency of ions, it is necessary to effectively shield and control the external magnetic field. [0003] At present, for the shielding of the external magnetic field, the magnetic shielding system made of permalloy material...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05F7/00
Inventor 雷海东张攀管桦
Owner JIANGHAN UNIVERSITY
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