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a permanent magnet

A permanent magnet and integrated technology, applied in the field of machinery, can solve difficult and expensive problems, achieve the effects of simple structure, increased motor efficiency, and reduced magnet volume

Active Publication Date: 2020-04-03
WUHU HAILIAN MACHINERY INSTALLATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is very difficult and expensive to manufacture this geometry

Method used

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Embodiment Construction

[0014] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0015] In order to achieve the above object, the permanent magnet is realized by the following technical solutions: the permanent magnet includes a sub-body 1, a matrix 2, a connecting portion 3, a magnetic sub-section 4, a sub-base plate 5, a mother base plate 6 and a magnetic base portion 7. The specifications of the child body 1 and the mother body 2 match. The left end of the child body 1 is provided with a sub-base plate 5. The sub-base plate 5 is connected with the magnetic sub-section 4 through the connecting part 3. The right end of the mother body 2 is provided with a mother plate 6. The mother plate The left end center of 6 is provided with a magnetic mother part 7; the connecting part 3, the magnetic sub part 4 and the sub-base 5 are int...

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Abstract

The invention discloses a permanent magnet, belonging to the technical field of machinery, comprising a daughter body (1), a mother body (2), a connecting part (3), a magnetic sub part (4), a daughter base plate (5), and a mother base plate (6) and the magnetic mother part (7), the daughter body (1) and the mother body (2) are matched in specifications, the left end of the daughter body (1) is provided with a sub-base (5), and the sub-base (5) passes through the connecting part (3) and the magnetic The sub-parts (4) are connected as one, the mother base (6) is arranged at the right end of the mother body (2), and the left end center of the mother base (6) is provided with a magnetic mother part (7). The permanent magnet provided by the invention has a simple structure, and when used in a motor, the volume of the magnet in the motor is reduced, the harmonic wave is reduced, the magnetic flux density is increased, the efficiency of the motor is increased, and the service life is prolonged.

Description

technical field [0001] The invention relates to the technical field of machinery, in particular to a permanent magnet. Background technique [0002] As the name implies, a permanent magnet is an object that can maintain its own magnetism for a long time without an external magnetic field. According to different materials, it can generally last for 10 years. Permanent magnets can be made of ferromagnetic materials, such as iron and nickel. Electric machines, such as generators, contain many permanent magnets that interact with at least one coil to generate electricity. Document EP 1076921 A1 describes a magnet block with a cross-sectional geometry. This geometry corresponds to a half-period arc of a sinusoid. Manufacturing such geometries is very difficult and expensive. Even this approximation does not reduce the cogging and ripple torques to satisfactory levels. Contents of the invention [0003] The present invention overcomes the above disadvantages and provides a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K1/06
CPCH02K1/06H02K2213/03
Inventor 张和平汪雷孙骏章强
Owner WUHU HAILIAN MACHINERY INSTALLATION