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Magnetic levitation wind generator

A wind power generator and magnetic levitation technology, applied in the direction of magnetic attraction or thrust holding device, electrical components, mechanical equipment, etc., can solve the problems of maintenance and application environment, high cost, bulky, etc., to eliminate adverse effects, no need Easy maintenance and structure

Active Publication Date: 2009-10-07
湖南终南山科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current magnetic levitation wind turbines, such as the electromagnetic levitation wind turbines in the United States, need to control the levitation bearings in all degrees of freedom, so the control system is extremely complex and huge, and its cost is very high, and it is very difficult for the maintenance and application environment during operation. Very finicky and not widely applicable in the field of wind power generation

Method used

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with accompanying drawing.

[0026] Such as figure 1 , figure 2 Shown is a schematic structural view of a preferred embodiment of the present invention.

[0027] The impeller 1 is located at one end of the shaft 2, and the other end of the shaft 2 is respectively provided with a motor and a bearing. The magnetic levitation device is arranged between the motor and the impeller 1 .

[0028] The magnetic levitation device includes a rotor 3 , and a magnetic stator device arranged outside the rotor 3 , and the magnetic stator device includes a stator 4 .

[0029] The rotor 3 is fixed on the shaft 2 through the shaft sleeve 5 and the nut 6, and the nut 6 is connected with the shaft 2 through a threaded connection. Therefore, the rotor 3 is fixed to the shaft 2 and rotates with the shaft 2, and it can be fastened by key connection or interference fit.

[0030] The rotor 3 can be made of permanent magne...

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Abstract

The invention provides a magnetic levitation wind power generator, which includes an impeller, a shaft, a motor and a bearing, the impeller is arranged at the end of the shaft, the motor is arranged at the other end of the shaft, and bearings are arranged on one or both sides of the motor. In that: one side or both sides of the bearing is provided with a magnetic levitation device, and the magnetic levitation device includes one or a group of magnetic or magnetically permeable rotors fixedly sleeved on the shaft, and a magnetic levitation device arranged outside the rotor. The stator device, the magnetic stator device includes a stator magnet, the stator magnet has a height difference from the rotor and maintains an axial gap therewith. The invention has the advantages of simple, reasonable and compact structure, low cost and no maintenance, which not only reduces the starting wind speed of the wind generator, but also effectively increases the output power of the generator.

Description

technical field [0001] The invention relates to wind power generating equipment, in particular to a novel magnetic levitation wind power generator. Background technique [0002] Wind energy is not only clean, environmentally friendly, and renewable, but also widely distributed, ubiquitous, and easy to use. It is a new type of energy with great development prospects. Moreover, people's use of wind power to generate electricity will not only have no negative impact, but will also bring the benefits of mitigating wind disasters, inhibiting desertification, and reducing or reducing the number and intensity of sandstorms. [0003] People have a long history of understanding and utilizing wind energy. In the early days, windmills were mainly used to replace human beings for simple labor such as irrigation and pounding rice. At present, we use wind power to generate electricity, but the wind generated by nature not only changes in wind direction, but also in unpredictable magnitude...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02N15/00F16C32/04
Inventor 李国坤曾智勇谢丹平
Owner 湖南终南山科技发展有限公司
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