CN104234941A - Foldable blade of wind driven generator - Google Patents

Foldable blade of wind driven generator Download PDF

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Publication number
CN104234941A
CN104234941A CN201310250798.0A CN201310250798A CN104234941A CN 104234941 A CN104234941 A CN 104234941A CN 201310250798 A CN201310250798 A CN 201310250798A CN 104234941 A CN104234941 A CN 104234941A
Authority
CN
China
Prior art keywords
wind power
wind
blade
power generation
folding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310250798.0A
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Chinese (zh)
Inventor
王智勇
王冠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201310250798.0A priority Critical patent/CN104234941A/en
Publication of CN104234941A publication Critical patent/CN104234941A/en
Pending legal-status Critical Current

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    • Y02E10/722

Abstract

The invention relates to a foldable blade of a wind driven generator, belongs to wind driven generators F03D according to international patent classification (IPC), and aims to solve the problem of low efficiency of wind power generation. According to the foldable blade of the wind driven generator, the torque of the blade can be continuously adjusted according to wind power, a variable-pitch device can be omitted, the height of a fan and cost can be reduced, efficiency and safety of wind power generation can be improved, and the efficiency of wind power generation is improved from about 30% to about 80% on the condition that the cost is reduced by about 5%, so that the problem of high investment cost for wind power generation is solved, and conditions are created for vigorous popularization of wind power generation and reduction of air pollution.

Description

A kind of folding wind power generator oar blade
                
one, technical field:
The present invention relates to the folding wind power generator oar blade of one of wind-power electricity generation, divides belong to wind motor F03D according to International Patent Classification (IPC) (IPC)
two, background technique:
For avoiding strong wind to the destruction of wind-driven generator, large scale wind power machine have employed vane change device, and small wind turbine because of Cost Problems just can only fan blade design very little, just cause the low problem of wind-power electricity generation benefit in this way.Have employed after vane change device will supporting a series of detection device and supervisory device, not only adds cost but also bring fault, adds engineering time, decrease generated energy.A set of vane change device weight has 6-8 ton, and on the high-altitude pylon of up to a hundred meters, cause the safety of generator set to become large problem, collapse accident happens occasionally, and causes great loss to country and investor.Cost of wind power generation how just can be made to reduce, and efficiency improves, and people have to pay much attention to.
three, summary of the invention:
Object of the present invention aims to provide a kind of folding wind power generator oar blade.
For improving safety and the efficiency of wind-power electricity generation, the present invention devises a kind of folding device and moving paddle on main blade, automatically can adjust the angle of blade according to the size of wind-force, plays the effect becoming oar equally, therefore can cancelling vane change device, providing feasibility for reducing costs.To achieve these goals, the present invention has installed folding device in main paddle, and when wind-force is large, folding device regulates the Windward angle of moving paddle automatically, reduces wind-exposuring area; When wind-force diminishes, blade area increases, and can obtain best moment, when wind speed is at about 3 meters per second, also can operate, make the efficiency of wind-power electricity generation bring up to about 80% from about 30%.Because blade area increases more than one times, just can reduce the length 15% of blade, reduce the height 15% of unit, thus improve the margin of safety of unit, after blade is divided into main blade and moving paddle, bring conveniently also to production and transport.Under the condition of minimizing about 5% cost, increase the generated energy of two times, improve returns of investment, for wideling popularize wind-power electricity generation, reducing pollution of atmosphere and creating condition.
four, accompanying drawing illustrates:
Fig. 1 is plan view of the present invention.
Fig. 2 is side view of the present invention.
Fig. 3 is the side view of another embodiment of the present invention
As can be seen from Figure 1 the present invention is made up of wind wheel 1, main blade 2, moving paddle 3, folding device 4.From Fig. 2, see that the present invention is that folding device 4 forms by main blade 2, moving paddle 3.Folding device 4 is made up of axostylus axostyle 5, spring 6.As can be seen from Figure 3 the present invention is made up of main blade 2, moving paddle 3, folding device 4.Folding device 4 is made up of axostylus axostyle 5, shell fragment 6.Certainly, folding device 4 also can be made up of other slewing gear.
five, embodiment:
Be described further embodiment of the present invention below in conjunction with accompanying drawing, see from Fig. 1, wind wheel 1 is equipped with main blade 2, the present invention is equipped with moving paddle 3 and folding device 4 on main blade 2.Can see that main blade 2 is made up of moving paddle 3 and folding device 4 from Fig. 2, folding device 4 is made up of axostylus axostyle 5, spring 6.When wind-force is large, spring-compressed, moving paddle 3 changes angle, play the effect of vane change device equally, but with low cost, simple and reliable, but adopt not easily aging elastic material, also can increase suitable prestressing force when producing and install, with the aging impact brought of compensative material, improving working life.As can be seen from Figure 3 the present invention is made up of main blade 2, moving paddle 3, folding device 4.Folding device 4 is made up of axostylus axostyle 5, shell fragment 6.Certainly, folding device 4 also can be made up of other slewing gear.This simple and reliable folding device is that cost is minimum for small-sized wind power generator, is best suited for.
  

Claims (5)

1. a folding wind power generator oar blade, it comprises wind wheel (1), main blade (2), and feature of the present invention is, on main blade (2), moving paddle (3) is housed.
2. the folding wind power generator oar blade of one according to claim 1, is characterized in that, on main blade (2), folding device (4) is housed.
3. the folding wind power generator oar blade of one according to claim 1, is characterized in that folding device (4) is equipped with axostylus axostyle (5).
4. the folding wind power generator oar blade of one according to claim 1, is characterized in that folding device (4) being equipped with spring or shell fragment (6).
5. the folding wind power generator oar blade of one according to claim 1, is characterized in that folding device (4) also can be made up of other whirligig.
CN201310250798.0A 2013-06-24 2013-06-24 Foldable blade of wind driven generator Pending CN104234941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310250798.0A CN104234941A (en) 2013-06-24 2013-06-24 Foldable blade of wind driven generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310250798.0A CN104234941A (en) 2013-06-24 2013-06-24 Foldable blade of wind driven generator

Publications (1)

Publication Number Publication Date
CN104234941A true CN104234941A (en) 2014-12-24

Family

ID=52223684

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310250798.0A Pending CN104234941A (en) 2013-06-24 2013-06-24 Foldable blade of wind driven generator

Country Status (1)

Country Link
CN (1) CN104234941A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104454377A (en) * 2013-09-23 2015-03-25 王智勇 Wind driven generator with movable blades
CN110067698A (en) * 2019-03-30 2019-07-30 杨凯 The adaptive polymorphic deflection adjusting method of blade of wind-driven generator

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632637A (en) * 1981-06-04 1986-12-30 Analytics, Inc. Wind turbine
CN2446300Y (en) * 2000-08-12 2001-09-05 杨勇 Wind plate swinging plate-drum wind wheel generating unit
CN1511231A (en) * 2000-12-23 2004-07-07 ֱ Rotor blade for wind power installation
CN1776220A (en) * 2005-12-01 2006-05-24 晁然 Seld-folding blade vertical-shaft windmill
CN1780983A (en) * 2003-03-31 2006-05-31 里索国家实验室 Control of power, loads and/or stability of a horizontal axis wind turbine by use of variable blade geometry control
CN101400891A (en) * 2006-03-14 2009-04-01 泰克西斯先进技术及体系有限公司 Multi-element blade with aerodynamic profiles
CN201723385U (en) * 2010-06-07 2011-01-26 成都盛尔嘉科技有限公司 Stepped blade
CN102720632A (en) * 2012-06-29 2012-10-10 国电联合动力技术有限公司 Large wind generating set blade and application thereof
CN202732216U (en) * 2012-06-25 2013-02-13 李焕山 Pneumatic attack angle blade horizontal shaft wind machine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632637A (en) * 1981-06-04 1986-12-30 Analytics, Inc. Wind turbine
CN2446300Y (en) * 2000-08-12 2001-09-05 杨勇 Wind plate swinging plate-drum wind wheel generating unit
CN1511231A (en) * 2000-12-23 2004-07-07 ֱ Rotor blade for wind power installation
CN1780983A (en) * 2003-03-31 2006-05-31 里索国家实验室 Control of power, loads and/or stability of a horizontal axis wind turbine by use of variable blade geometry control
CN1776220A (en) * 2005-12-01 2006-05-24 晁然 Seld-folding blade vertical-shaft windmill
CN101400891A (en) * 2006-03-14 2009-04-01 泰克西斯先进技术及体系有限公司 Multi-element blade with aerodynamic profiles
CN201723385U (en) * 2010-06-07 2011-01-26 成都盛尔嘉科技有限公司 Stepped blade
CN202732216U (en) * 2012-06-25 2013-02-13 李焕山 Pneumatic attack angle blade horizontal shaft wind machine
CN102720632A (en) * 2012-06-29 2012-10-10 国电联合动力技术有限公司 Large wind generating set blade and application thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104454377A (en) * 2013-09-23 2015-03-25 王智勇 Wind driven generator with movable blades
CN110067698A (en) * 2019-03-30 2019-07-30 杨凯 The adaptive polymorphic deflection adjusting method of blade of wind-driven generator

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Application publication date: 20141224

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