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Motor

A rotor core and stator core technology, applied in the direction of electric components, electrical components, electromechanical devices, etc., can solve the problems of reducing the magnetic gathering performance of the rotor core, high material cost, and reducing the working efficiency of the motor, and achieve magnetic gathering performance The effect of improving, improving work efficiency, and increasing air gap magnetic density

Active Publication Date: 2016-12-21
GUANGDONG WELLING ELECTRIC MACHINE MFG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the existing self-starting permanent magnet synchronous motor, the rotor iron core and the stator iron core have the same length. In order to ensure the magnetic concentration effect, it must be realized by using NdFeB magnetic material with strong magnetic performance, but the material cost is relatively high, and if The use of other magnetic materials with low magnetic properties will reduce the magnetic gathering performance of the rotor core and reduce the working efficiency of the motor

Method used

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication also changes accordingly.

[0029] In addition, the...

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Abstract

Disclosed herein is a motor, which comprises a stator core and a first rotor core installed in the stator core, wherein at least one of two axial ends of the first rotor core is provided with a second rotor core which is coaxial with the first rotor core, and the sum of axial lengths of the first rotor core and the second rotor core is greater than the axial length of the stator core. The motor improves the magnetism gathering performance of the rotor cores, and improves the operating efficiency of the motor.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a motor. Background technique [0002] In the existing self-starting permanent magnet synchronous motor, the rotor iron core and the stator iron core have the same length. In order to ensure the magnetic concentration effect, it must be realized by using NdFeB magnetic material with strong magnetic performance, but the material cost is relatively high, and if The use of other magnetic materials with low magnetic properties will reduce the magnetic gathering performance of the rotor core and reduce the working efficiency of the motor. Contents of the invention [0003] The main purpose of the present invention is to provide a motor, aiming at improving the magnetic gathering performance of the rotor core and improving the working efficiency of the motor. [0004] In order to achieve the above object, the present invention proposes a motor, which includes a stator core and a firs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K16/02H02K1/27H02K3/04
CPCH02K1/2706H02K3/04H02K16/02
Inventor 王飞陈金涛
Owner GUANGDONG WELLING ELECTRIC MACHINE MFG