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Vertical shaft wind power generation device

A wind power generation device, vertical axis technology, which is applied to wind turbines, wind turbine combinations, wind turbines at right angles to the wind direction, etc. small effect

Pending Publication Date: 2018-07-27
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So so far, the wind turbines used for power generation are all horizontal axis, and there is no commercial vertical axis wind turbine.

Method used

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  • Vertical shaft wind power generation device
  • Vertical shaft wind power generation device
  • Vertical shaft wind power generation device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] refer to Figure 1 to Figure 3 , a vertical axis wind power generation device includes five parts: a wind rotor part, a pitch control system, a mechanical yaw system, a transmission device, and a support device, wherein:

[0029] The wind wheel part includes two hub disks 3, eight blade support plates 4, four blades 5, eight blade shaft bearings 6 and four blade shafts 8, and the four blades 5 are located on the same circle centered on the central axis 25 and evenly arranged, the distance between two adjacent blades 5 is 90 degrees, the two hub disks 3 are welded on the central shaft 25 at intervals, and the outer peripheral surface of each hub disk 3 passes through one end of four blade support plates 4 at equal intervals Bolts are fixedly connected, the other end of the blade support plate 4 is fixedly connected with the blade rotating shaft bearing 6, and the side of the blade 5 close to the central axis 25 is provided with a first protrusion 51 and a second protrusi...

Embodiment 2

[0040] The only difference between this embodiment and Embodiment 1 is that the number of blades 5 in this embodiment is three, and the number of corresponding guide rod racks 91, roller bearings 21, and guide rod support rods is the same as the number of blades , the number of blade support rods 4 is twice the number of blades 5 .

Embodiment 3

[0042] The only difference between this embodiment and Embodiment 1 is that the number of blades 5 in this embodiment is 6, and the number of corresponding guide rod racks 91, roller bearings 21, and guide rod support rods is the same as the number of blades , the number of blade support rods 4 is twice the number of blades 5 .

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PUM

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Abstract

The invention discloses a vertical shaft wind power generation device. The vertical shaft wind power generation device comprises a center shaft and a plurality of blades evenly distributed on the periphery of the center shaft, the center shaft is fixedly sleeved with a hub disc, and the hub disc is connected with a blade rotary shaft bearing through a blade supporting plate. A blade rotary shaft is arranged in the blade rotary shaft bearing and fixedly connected with the blades, the lower end of the center shaft is connected with a rotary shaft of a power generator through a coupler, and the upper end of the center shaft is connected with a hoisting shaft through a bearing. The hoisting shaft is provided with a variable pitch system used for automatically adjusting the incident angles of the blades, the center shaft is driven to rotate through the blades arranged in the vertical direction and drives a rotating shaft of the power generator to generate power, and meanwhile the variable pitch system is arranged above the center shaft to adjust the incident angles of the blades, so that the resistance generated when air blows the blades in blade rotation is reduced, and the power generating efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of energy and power machinery, and in particular relates to a vertical axis wind power generation device. Background technique [0002] Energy is the driving force and guarantee for human development and progress. Improving the energy structure, using renewable energy, reducing environmental pollution, and improving people's quality of life have become a development direction that the global energy industry is concerned about. Wind energy technology is relatively mature in the current renewable energy, and has large-scale development conditions and commercialization prospects. The available wind energy on the earth is 2×10^7MW, which is 10 times larger than the total amount of water energy that can be developed and utilized on the earth, and is equivalent to the sum of the energy consumed by fossil fuels such as coal and oil in the world every year. [0003] A wind power generation device refers to a devic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D3/00F03D3/06F03D7/06F03D9/25F03D15/10
CPCF03D3/005F03D3/061F03D3/062F03D7/06F03D9/25F03D15/10Y02E10/74
Inventor 陈海峰王文中孟繁怡王旭
Owner SHAANXI UNIV OF SCI & TECH