A method for multi-pole magnetization of plane micro-pole-pitch
A multi-pole magnetization, plane technology, applied in the direction of magnetic objects, circuits, electrical components, etc., can solve the problem of multi-pole magnetization difficulties with small pole pitches, and achieve the effect of meeting the requirements of multi-pole magnetization
Active Publication Date: 2021-08-24
ZHEJIANG INNUOVO MAGNETICS
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Problems solved by technology
[0003] The purpose of the present invention is to provide a planar micro-pole-pitch multi-pole magnetization method, which can effectively solve the problem of difficulty in existing micro-pole-pitch multi-pole magnetization
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Embodiment Construction
[0011] The following detailed descriptions of the embodiments of the present invention are intended to explain the present invention, but should not be construed as limiting the present invention.
[0012] A multi-pole magnetization method with a planar micro-pole pitch, comprising the following steps:
[0013] A. Put the magnet that needs to be magnetized into the magnetization coil for one-way saturation magnetization, and form a single magnetic pole on the surface of the magnet to be magnetized;
[0014] B. Place a tooth-shaped magnetic conduction mold on the surface of the magnet to be magnetized, reversely magnetize the P areas that are in contact with the tooth-shaped magnetic conduction mold, and the magnetic poles of the remaining P areas that are not in contact remain unchanged;
[0015] C. 2P magnetic poles are formed on the plane to complete the planar multi-pole magnetization.
[0016] In step A, capacitive magnetizer with hollow coil is used for unidirectional sa...
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Abstract
The invention discloses a plane micro-pole-pitch multi-pole magnetization method, which comprises the following steps: putting a magnet to be magnetized into a magnetizing coil for unidirectional saturation magnetization, forming a single magnetic pole on the surface to be magnetized of the magnet; A toothed magnetically conductive mold is placed on the surface to be magnetized, and the P areas in contact with the toothed magnetically conductive mold are reversely magnetized, and the magnetic poles of the remaining P areas that are not in contact remain unchanged; 2P magnetic poles are formed on the plane, and many planes are completed. Pole magnetization. The advantages of the present invention are: the tooth-shaped magnetic conductive mold is used for magnetization, and the partial area is reversely magnetized by means of magnetic field conduction to obtain opposite magnetic poles to form multi-pole magnetization, and no wires are arranged on the teeth of the mold. Therefore, the width of the tooth profile of the magnetically conductive mold can be greatly reduced, and the magnetization of the magnetic surface with a magnetic pole width of less than 2 mm can be adapted.
Description
technical field [0001] The invention relates to a multi-pole magnetization method with a plane micro-pole pitch. Background technique [0002] The existing multi-pole magnetization methods all use the method of wire inlay to divide the magnetic poles, and generate a magnetic field through the current to form a planar multi-pole magnetization. However, in the case of small pole pitches, there is not enough space to arrange wires and insulation. , making multi-pole magnetization very difficult under the condition of small pole pitch. Contents of the invention [0003] The purpose of the present invention is to provide a planar micro-pole-pitch multi-pole magnetization method, which can effectively solve the existing problem of difficulty in micro-pole-pitch multi-pole magnetization. [0004] In order to solve the above-mentioned technical problems, the present invention is achieved through the following technical solutions: a multi-pole magnetization method with a planar mi...
Claims
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IPC IPC(8): H01F13/00
CPCH01F13/00
Inventor 魏中华何剑锋吕婷茹
Owner ZHEJIANG INNUOVO MAGNETICS