Real-time variable pitch wind rotor and vertical axis wind turbine

A wind turbine, vertical axis technology, applied to wind turbines, wind turbine control, engines, etc., can solve the problems of low wind energy utilization, vertical axis wind turbines, unreasonable stress state of components, etc.

Active Publication Date: 2020-06-16
王伟民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Aiming at the deficiencies in the prior art, the present invention provides a real-time variable-pitch wind rotor and a vertical-axis wind power generator to solve the problem of vertical-axis wind power generation caused by the fixed angle between the wind blade and the wind rotor support in the prior art. The wind energy utilization rate of the machine is low and the stress state of the components of the vertical axis wind turbine is unreasonable.

Method used

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  • Real-time variable pitch wind rotor and vertical axis wind turbine
  • Real-time variable pitch wind rotor and vertical axis wind turbine
  • Real-time variable pitch wind rotor and vertical axis wind turbine

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Experimental program
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Effect test

Embodiment 1

[0043] like figure 1 As shown, the present embodiment provides a real-time variable pitch wind rotor 1, which includes a wind rotor bracket 11, a wind paddle 12 and a wind paddle rotating shaft 13, at least three wind paddles 12 are arranged on the wind rotor bracket 11, and each wind paddle 12 is rotatably connected with the wind wheel bracket 11 through the wind paddle shaft 13 .

[0044] In this way, the wind paddles 12 can be uniformly arranged on the wind wheel bracket 11 . The hardware environment of the real-time variable pitch wind wheel 1 is constructed. The wind wheel bracket 11 is the main body of the real-time variable pitch wind wheel 1 when it rotates. The wind wheel bracket 11 is driven to rotate by the force of the wind paddle 12. The wind paddle 12 passes the wind The rotation of the paddle rotating shaft 13 realizes the pitch change, and changes the force situation of the real-time pitch change wind wheel 1 .

[0045] Please also refer to figure 2 The rea...

Embodiment 2

[0076] Please also refer to Figure 8 , the present embodiment provides a vertical axis wind power generator, which includes a generator 2 and a wind wheel, the wind wheel is coaxially provided with a ring gear, and the input shaft of the generator is provided with a power take-off gear meshed with the ring gear .

[0077] In this embodiment, the wind wheel is the real-time variable pitch wind wheel 1 in embodiment 1, and the ring gear 3 is coaxially arranged on the wind wheel bracket 11 of the real-time variable pitch wind wheel 1, and the input shaft of the generator 2 is provided with There is a power take-off gear 4 meshed with the ring gear 3 . In other embodiments, the wind rotor may also be a vertical axis wind rotor with other structures.

[0078] Thus, the real-time variable pitch wind wheel 1 drives the generator 2 to rotate through the gear pair formed by the annular ring gear 3 and the power take-off gear 4, and first converts the wind energy into the rotational ...

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Abstract

The invention provides a real-time variable-pitch wind wheel which comprises a wind wheel bracket, wind propellers and wind propeller rotating shafts. At least three wind propellers are arranged on the wind wheel bracket circumferentially. Each wind propeller is rotationally connected with the wind wheel bracket through the corresponding wind propeller rotating shaft. The real-time variable-pitchwind wheel further comprises a driving device which drives the wind propellers to rotate by driving the wind propeller rotating shafts, a sensing device which is used for sensing the wind environmentand the rotation condition of the real-time variable-pitch wind wheel, and a controller which is electrically connected with the sensing device and the driving device. The controller controls the driving device to operate according to parameters detected by the sensing device. The windward area of the wind propeller on the windward semi-circumference is larger than the headwind area of the wind propeller on the headwind semi-circumference through driving of the driving device. The invention also provides a vertical-axis wind turbine. The real-time variable-pitch wind wheel and the vertical-axis wind turbine have relatively high wind energy utilization rate and conversion rate, and the stress conditions of components of the wind propellers and the wind wheel bracket, which are split, are more reasonable.

Description

technical field [0001] The invention relates to the field of wind power generation, in particular to a real-time variable pitch wind rotor and a vertical axis wind power generator. Background technique [0002] A wind turbine is an electrical device that converts wind energy into mechanical energy and mechanical energy into electrical energy. At present, large and medium-sized wind power mainly adopts horizontal-axis wind turbines, which are lift-type wind turbines, which have the advantages of high speed and high utilization rate of wind. The mainstream wind turbines currently in commercial operation are basically horizontal axis wind turbines. [0003] The wind turbines are supported by vertical towers. With the increasing capacity of horizontal axis wind turbines, the capacity of mainstream wind turbines has reached 2 MW to 3.5 MW. The weight of the cabin has reached 70-100 tons, and the height of the cabin has reached about 100 meters. The production, transportation a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03D7/06
CPCF03D7/06F05B2270/321F05B2270/329F05B2270/402F05B2270/60F05B2270/80Y02E10/74
Inventor 王伟民李峥嵘屈朝峰
Owner 王伟民
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