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Rotor with quasi-V-shaped magnetic steel structures and suitable for high-performance motor

A high-performance, magnetic steel technology, applied in the shape/style/structure of the magnetic circuit, the rotating parts of the magnetic circuit, the magnetic circuit, etc., can solve the problem of not attracting enough attention, and reduce the phenomenon of magnetic leakage, air-gap magnetic The effect of high density and low harmonic content

Inactive Publication Date: 2017-02-15
SOUTHEAST UNIV
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  • Application Information

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Problems solved by technology

The improvement of the design of the motor body has not attracted enough attention in the industry

Method used

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  • Rotor with quasi-V-shaped magnetic steel structures and suitable for high-performance motor
  • Rotor with quasi-V-shaped magnetic steel structures and suitable for high-performance motor
  • Rotor with quasi-V-shaped magnetic steel structures and suitable for high-performance motor

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with embodiment and accompanying drawing.

[0030] A quasi-V-shaped magnetic steel structure rotor suitable for high-performance motors mainly includes a quasi-V-shaped magnetic steel 1, an auxiliary rotor core 2, an active rotor core 3 and a cooling channel 4. Such as figure 1 shown.

[0031] In the present invention, the quasi-V-shaped magnetic steel is a magnetic pole installation type. Specifically, a magnetic pole is equally divided into a quasi-V shape and embedded in the rotor core, including an auxiliary mover core 2 and a Two quasi-V-shaped magnets 1 on both sides of the mover core 2, the two quasi-V-shaped magnets 1 constitute a magnetic pole, and the shoulders of the two quasi-V-shaped magnets 1 of a quasi-V-shaped magnet structure The included angle θ2 between the line connecting the 3-axis center point of the active rotor core satisfies:

[0032]

[0033] where p is the number of pol...

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Abstract

The invention discloses a rotor with a quasi-V-shaped magnetic steel structures and suitable for a high-performance motor. The rotor comprises a main rotor core, quasi-V-shaped magnetic steel and auxiliary rotor cores, the quasi-V-shaped magnetic steel and auxiliary rotor cores are arranged in the outer side of the main rotor core, the main rotor core of a hollow structure is provided with multiple toothed portions in the outer side, each quasi-V-shaped magnetic steel structure composed of the quasi-V-shaped magnetic steel and the auxiliary rotor core is arranged between two adjacent toothed portions, and a cooling channel exists between each quasi-V-shaped magnetic steel structure and the external surface of the main rotor core. Compared with a present rotor of a permanent magnetic motor, the air-gap magnetic flux density is high, the gullet torque is small, and harmonic waves are low; the salient rate is high, and convenience is provided for field weakening control; a short magnetic circuit is avoided effectively, and magnetic flux leakage is little; and the cooling channels are provided to improve temperature control.

Description

technical field [0001] The invention belongs to the field of high-efficiency motors and relates to a quasi-V-shaped magnetic steel structure rotor suitable for high-performance motors. Background technique [0002] Motors are the driving devices of various equipment such as fans, pumps, compressors, machine tools, and conveyor belts. They are widely used in many industries and fields such as metallurgy, petrochemicals, chemicals, coal, building materials, and public facilities. They are the largest consumers of electricity. electrical machinery. According to statistics, in 2011, my country's motor holdings were about 1.7 billion kilowatts, and the total power consumption was about 3 trillion kwh, accounting for 64% of the total electricity consumption of the whole society, of which the total power consumption of motors in the industrial field was 2.6 trillion Kilowatt hours, which account for about 75% of industrial electricity consumption. [0003] In recent years, with th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/27H02K1/32
CPCH02K1/2766H02K1/32H02K2213/03
Inventor 余海涛董坤胡敏强程帆雷蕾黄磊
Owner SOUTHEAST UNIV
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