Method of Compensating Non-uniformity of Shielded Magnetic Field Coil by Winding

A technology for shielding magnetic field coils and non-uniformity, which is applied to the non-uniformity compensation of shielding magnetic field coils. Through winding compensation in the field of non-uniformity compensation of shielding magnetic field coils, it can solve the problem of poor uniformity of shielding magnetic field coils.
CN103454461BInactive Publication Date: 2016-01-20710TH RES INST OF CHINA SHIPBUILDING IND CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
710TH RES INST OF CHINA SHIPBUILDING IND CORP
Publication Date
2016-01-20
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a method for compensating heterogeneity of a shield magnetic field coil through a winding. The shield magnetic field coil is wound by the compensating winding with the particular specification, and distribution of magnetic lines of force of an original magnetic field coil is changed through the compensating winding, so that the heterogeneity of the shield magnetic field coil is increased in a magnitude mode. The magnetic field generated by the compensating winding has equal magnetic force and the opposite direction with the heterogeneous field additionally produced because a magnetic shield layer changes distribution of the magnetic lines of force in the magnetic field coil, and therefore the purpose of compensating the heterogeneity of the shield magnetic field is achieved.
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Description

Technical field

[0001] The invention relates to a non-uniformity compensation technology of a shielded magnetic field coil, in particular to a method for compensating the non-uniformity of a shielded magnetic field coil through winding compensation, and belongs to the field of electromagnetic technology. Background technique

[0002] In the calibration test of the weak magnetic field magnetic sensor, in order to shield the influence of the environmental interference magnetic field, a combination of shielding device and magnetic field coil is often used. That is, the magnetic field coil used to generate the standard magnetic field is placed in the center of the shielding device to form a shielded magnetic field coil. At this time, there is a stable standard magnetic field in the shielding device, and the weak magnetic field to be detected is calibrated by the standard magnetic field.

[0003] However, the increase of the shielding device will affect the uniformity of the standard m...

Claims

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