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Compact permanent magnet wind generator rotor

A wind turbine, compact technology, applied in the direction of magnetic circuit rotating parts, magnetic circuit shape/style/structure, etc., can solve the problem of unreasonable rotor structure of permanent magnet wind turbine, improve ventilation efficiency, assembly positioning, etc. Precise, simplified assembly results

Active Publication Date: 2013-02-13
CRRC YONGJI ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of unreasonable structure of the existing permanent magnet wind power generator rotor, the present invention provides a compact permanent magnet wind power generator rotor

Method used

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  • Compact permanent magnet wind generator rotor
  • Compact permanent magnet wind generator rotor
  • Compact permanent magnet wind generator rotor

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Embodiment Construction

[0026]The compact permanent magnet wind turbine rotor includes a rotor bracket 2, the rotor bracket 2 includes a hub, the cylindrical outer surface of the hub is evenly welded with a spoke plate, the end of the spoke plate is welded with an annular yoke, and a permanent magnet installation hole 8 is opened. Magnetic pole box 3, a magnetic steel is placed in the permanent magnet installation hole 8, a magnetic pole holder 1 is fixed at both ends of the yoke, the magnetic pole holder 1 and the magnetic steel in the magnetic pole box 3 are in close contact, and the magnetic pole box 3 is made of several identical shapes. The first magnetic pole punching piece 13 and several second magnetic pole punching pieces 14 are laminated, and the first magnetic pole punching piece 13 and the second magnetic pole punching piece 14 are respectively provided with permanent magnet mounting holes 8 and located in the permanent magnet mounting holes 8. The fixing rod mounting hole 9 below, the sec...

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Abstract

The invention relates to a rotating device inside a permanent magnet wind generator, in particular to a compact permanent magnet wind generator rotor, solving the problem of an unreasonable structure of the permanent magnet wind generator rotor. The compact permanent magnet wind generator rotor comprises a rotor bracket, and a magnetic pole box provided with a permanent magnet mounting hole; magnetic steel is arranged inside the permanent magnet mounting hole; a fixed rod mounting hole is arranged on the magnetic pole box; a bolt perforating hole is arranged on the contact surface of the magnetic pole box and the rotor bracket; the bolt perforating hole is communicated with the fixed rod mounting hole; a locating lug boss is also arranged on the surface contacting a magnet yoke on the rotor bracket on the magnetic pole box; a radial bolt hole and a guide locating groove matched with the locating lug boss are arranged on the magnet yoke on the rotor bracket, and a fixed rod with the bolt hole is arranged inside the fixed rod mounting hole. The compact permanent magnet wind generator rotor is novel in structure; the performance of a motor is improved; the manufacturing cost of the motor rotor is reduced, and the stability of the entire structure of the rotor is improved.

Description

technical field [0001] The invention relates to a rotating device in a permanent magnet wind power generator, in particular to a compact permanent magnet wind power generator rotor. Background technique [0002] As a kind of clean and renewable energy, wind power has attracted more and more attention from all over the world because of its non-pollution to the environment and its good economic benefits. Among the many types of wind turbines, the compact permanent magnet wind turbine has become the representative of the new generation of wind turbines because of its light weight, small size, low cost, high efficiency and low maintenance. In recent years, with the continuous increase in the price of permanent magnet materials, in order to reduce the design cost of permanent magnet motors, increasing the speed of permanent magnet motors has become an inevitable choice for permanent magnet motor designers. To increase the speed of permanent magnet motors, it is necessary to impro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/27H02K1/28
Inventor 钟绍辉石永进苗言诗
Owner CRRC YONGJI ELECTRIC CO LTD
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