Correction method of magnetic line

A technology of magnetic force lines and magnetic cores, which is applied in the field of correction of magnetic force lines, can solve the problems that the magnetic domains of the magnetic core cannot be corrected to be parallel

Pending Publication Date: 2021-05-11
深圳市新核瑞科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] A correction method for magnetic field lines, which solves the technical problem that the magnetic domains of

Method used

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  • Correction method of magnetic line
  • Correction method of magnetic line

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Embodiment Construction

[0031] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical The orientations or positional relationships indicated by "straight", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description , rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should ...

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Abstract

The invention discloses a correction method of magnetic lines, which is applied to correction of magnetic lines of iron-based or cobalt-based nanocrystalline magnetic cores, and comprises the following steps: S1, obtaining at least two iron correction pieces and at least one magnetic core to be corrected, the correction pieces and the magnetic core to be corrected being the same in shape, according to the sequence that the magnetic core to be corrected is located between the correction pieces, stacking the correction pieces and the magnetic cores to be corrected in sequence, and the adjacent side faces of the correction pieces and the adjacent side faces of the magnetic cores to be corrected being parallel and equal; S2, heating each magnetic core to be corrected to a first preset temperature, and performing heat preservation; S3, the magnetic lines of force in the stacking direction sequentially penetrating through the correction piece and the magnetic core till correction of the magnetic core is completed; and S4, reducing the heating temperature of the magnetic core to a second preset temperature. The iron-based or cobalt-based nanocrystalline magnetic core can be corrected, and the magnetic domain of the magnetic core can be corrected to be parallel. The method is applied to the technical field of magnetic cores.

Description

technical field [0001] The invention relates to the technical field of magnetic cores, in particular to a method for correcting magnetic lines of force. Background technique [0002] When the iron-based or cobalt-based nanocrystalline magnetic core is magnetized in the same direction, when the magnetic domains of the magnetic core are arranged in parallel, the hysteresis loop of the magnetic core tends to be flattened, and the magnetic characteristic parameters of the magnetic core have the remanence Br Small, small coercive force Hc, low magnetic loss Ps and other advantages. [0003] To meet the above requirements, it is necessary to correct the iron-based or cobalt-based nanocrystalline magnetic core, and the magnetic force lines of the magnetic field are arc-shaped. If the magnetic core is directly corrected, the magnetic domains of the magnetic core cannot be corrected to be parallel. Contents of the invention [0004] (1) Technical problems to be solved [0005] A ...

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Application Information

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IPC IPC(8): H01F13/00
CPCH01F13/003
Inventor 王朝辉高岗王巍
Owner 深圳市新核瑞科技有限公司
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