Multi-pole magnetizing method for plane micro-polar distance
A multi-pole magnetization and planar technology, which is applied in the direction of magnetic objects, electrical components, circuits, etc., can solve problems such as the difficulty of multi-pole magnetization with small pole pitches, and achieve the effect of meeting the requirements of multi-pole magnetization
Active Publication Date: 2019-08-30
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 multi-pole magnetizing method for a plane micro-polar distance. The multi-pole magnetizing method comprises the following steps of: putting a magnet to be magnetized into a magnetizing coil to perform unidirectional saturation magnetization, and forming a single magnetic pole on the surface to be magnetized of the magnet; placing a tooth-shaped magnetic conduction die ona surface to be magnetized of the magnet, reversely magnetizing P areas being in contact with the tooth-shaped magnetic conduction die, and keeping the magnetic poles of the rest P areas without contact unchanged; and forming 2P magnetic poles on the plane to complete the plane multi-pole magnetization. The multi-pole magnetizing method for the plane micro-polar distance has the advantages that: the tooth-shaped magnetic conduction die is adopted for magnetizing, and the part of the region is reversely magnetized in a magnetic field conduction mode to obtain opposite magnetic poles, so that multi-pole magnetizing is formed, and wires do not need to be arranged on teeth of the die, so that the tooth-shaped width of the magnetic conduction die can be greatly reduced, and the magnetizing of amagnetic surface with the magnetic pole width smaller than 2mm 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