Flow guiding device used for wind driven generator

Abstract

The invention discloses a flow guiding device used for a wind driven generator. The flow guiding device is characterized in that an upper bird-shaped blade and a lower bird-shaped blade which are symmetrically distributed up and down are arranged on a body of the flow guiding device, a first flow guiding plate and a second flow guiding plate are arranged between the upper bird-shaped blade and the lower bird-shaped blade, both ends of the first flow guiding plate are respectively and fixedly connected with the upper bird-shaped blade and the lower bird-shaped blade, and both ends of the second flow guiding plate are respectively and fixedly connected with the upper bird-shaped blade and the lower bird-shaped blade. According to the flow guiding device, a vertical flow guiding device is adopted, a fluid mechanics principle is utilized to design the bird-shaped blades, and the flow guiding plates with cambered surfaces are matched, so that the utilization rate of a fan impeller on the windward side is increased by more than 60%; additionally, the back resistance of the impeller is reduced during rotation, and the output power of a fan is increased by more than 80%; the flow guiding device has the advantages of clever integral design and concept, novel appearance and good practicability; and compared with the prior art, the flow guiding device has prominent substantive features and remarkable improvements.

Description

technical field [0001] The present invention relates to the technical field of wind power generators, in particular to a flow guiding device for wind power generators, and in particular to its mechanical connection structure. Background technique [0002] Comparative document, patent number: ZL201020567024.2, application date: 2010.10.18, patentee: Liu Xiaocheng; Liu Fan; Liu Wei, this case discloses a "vertical double-rotor wind power generator", the inner rotor, the inner rotor and the outer The shaft sleeve is equipped with an outer rotor, which is characterized in that the outer rotor shell is connected to the first wind wheel on the circumference, and one end of the inner rotor shaft extends out of the outer rotor shell to connect with the second wind wheel, and the rotation direction of the blades of the first wind wheel and the second wind wheel On the contrary; the inner rotor shaft is a hollow structure, and the supporting shaft passes through the inner rotor shaft ...

AI Technical Summary

Problems solved by technology

[0003] It is not difficult to see from the above comparative documents that the existing traditional vertical shaft wind turbines are not equipped with any flow guides outside, the utilization rate of wind energy is only 30%-40%, and the energy conversion rate is low

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