CN101825069B - Blade folding structure for wind driven generator - Google Patents
Blade folding structure for wind driven generator Download PDFInfo
- Publication number
- CN101825069B CN101825069B CN2010101920741A CN201010192074A CN101825069B CN 101825069 B CN101825069 B CN 101825069B CN 2010101920741 A CN2010101920741 A CN 2010101920741A CN 201010192074 A CN201010192074 A CN 201010192074A CN 101825069 B CN101825069 B CN 101825069B
- Authority
- CN
- China
- Prior art keywords
- blade
- wind
- driven generator
- leading portion
- connecting rod
- 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.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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- Wind Motors (AREA)
Abstract
The invention discloses a blade folding structure for a wind driven generator and belongs to the field of wind power generation. The blade structure for the wind driven generator is novel and has high rigidity and high wind energy utilization coefficient. The blade structure comprises a blade main body, a front blade section, a connecting rod, a hinge and the like. A complete blade can be formed by combining the blade main body and the front blade section through the telescopic connecting rod. The windward blade area of the designed blade can be adjusted, so that the application range for economical wind speed of the wind driven generator can be enlarged and the stability of the output voltage of the wind driven generator can also be enhanced.
Description
Technical field
The invention belongs to technical field of wind power generating equipment, relate to a kind of wind-driven generator new blade folding structure.
Background technique
At present, wind energy be clean most, one of non-pollution of renewable energy, utilizing wind energy power is a focus of new energy field.The size and Orientation of wind-force often changes but a shortcoming utilizing wind energy power is exactly; Vertical axis aerogenerator commonly used at present and horizontal axis wind-driven generator all need be installed the regulator of the complicated controlled wind speed of a cover; Will have a strong impact on the utilization of wind energy like this, and increase the complexity of system.In general, the wind speed of 3-20m/s is the adaptable economic wind speed of present wind turbine.The startup wind speed of wind-driven generator is 3-4m/s, and cut-out wind speed (outage caused by strong wind wind speed) is 19-25m/s.When wind speed was lower than the startup wind speed, wind-driven generator can not normally start; When wind speed surpassed the cut-out wind speed of wind-driven generator, wind-driven generator must be shut down self-insurance, makes full use of wind energy so be necessary the economic wind speed that enlarges wind-driven generator.
Summary of the invention
It is not enough to the objective of the invention is to overcome above-mentioned existing technology, proposes a kind of novel wind generator blade structure of regulating wind-exposuring area according to wind speed.
Technological scheme of the present invention is to solve like this: blade body and blade leading portion are formed a complete blade by telescopic connecting rod.Blade body is connected with connecting rod through hinge with the blade leading portion, and the blade leading portion can just can change the wind-exposuring area of blade by the flexible and horizontal move left and right of connecting rod through the move left and right of blade leading portion.The right-hand member shell of blade body leaves one section hollow, guarantees that the blade leading portion can embed wherein to form a complete blade.The blade leading portion is to be connected through the hinge by two shells to guarantee that like this blade leading portion can change most advanced and sophisticated angle as required, and blade leading portion and blade body can be combined closely, makes blade integral keep streamlined.
Adopt this blade of the present invention can be according to wind-force size adjustment wind-exposuring area, when wind-force hour, the blade leading portion increase wind-exposuring area that moves right; When wind-force was big, the blade leading portion was moved to the left and reduces wind-exposuring area.And this blade structure is simple, production technology is simple, structural rigidity is good.
Description of drawings
Fig. 1 is a structural representation of the present invention; Fig. 2 connecting rod connects schematic representation; Label among the figure is represented respectively: 1, blade body; 2, blade leading portion; 3, connecting rod; 4, blade body skeleton; 5, hinge; Below in conjunction with accompanying drawing content of the present invention is done further explain.
Embodiment
With reference to Fig. 1, shown in Figure 2, blade body 1 is formed a complete blade with blade leading portion 2 by telescopic connecting rod 3.Blade body 1 is connected with connecting rod 3 through hinge 5 with blade leading portion 2, and the blade leading portion can just can change the wind-exposuring area of blade by the flexible and horizontal move left and right of connecting rod through the move left and right of blade leading portion.The right-hand member shell of blade body leaves one section hollow, guarantees that the blade leading portion can embed wherein to form a complete blade.The blade leading portion is to be connected through the hinge by two shells to guarantee that like this blade leading portion can change most advanced and sophisticated angle as required, and blade leading portion and blade body can be combined closely, makes blade integral keep streamlined.
The present invention makes moulding blade body and blade leading portion respectively, utilizes connecting rod that each section blade is coupled together again and can constitute the wind power generation blade structure, and is as shown in Figure 1.As shown in Figure 2, connecting rod 3 is connected through hinge 5 with blade leading portion 2 with blade body skeleton 4, and when connecting rod was flexible, the angle of connecting rod and blade body skeleton and blade leading portion can change.Blade leading portion 2 is to be connected through the hinge by two shells, can guarantee that like this blade leading portion can change most advanced and sophisticated angle as required, can combine blade leading portion and blade body closely.Utilize the move left and right of the telescopic band moving vane leading portion 2 of connecting rod 3 promptly can realize the change of blade area.
After wind speed had surpassed the rated wind speed certain value, control system control flexible rod shortened, and so just spurred the blade leading portion and was moved to the left, and blade leading portion shell has and more is partially submerged into blade body, has promptly formed the less blade of blade area.Along with the blade wind-exposuring area reduces gradually, the energy capture of wind wheel reduces, and power output is remained near the rating value.
Claims (1)
1. blade folding structure for wind driven generator; It is characterized in that comprise blade body (1), blade leading portion (2), connecting rod (3), blade body skeleton (4), hinge (5), blade is formed a complete blade by telescopic connecting rod (3) with blade body (1) and blade leading portion (2); Wherein, The right-hand member shell of blade body (1) leaves one section hollow, and the shell of blade leading portion (2) embeds wherein, and blade body (1) all is connected with connecting rod (3) through hinge (5) with blade leading portion (2); Blade area forms the different blade of blade area along with flexible change of connecting rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101920741A CN101825069B (en) | 2010-06-04 | 2010-06-04 | Blade folding structure for wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101920741A CN101825069B (en) | 2010-06-04 | 2010-06-04 | Blade folding structure for wind driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101825069A CN101825069A (en) | 2010-09-08 |
| CN101825069B true CN101825069B (en) | 2012-02-01 |
Family
ID=42689188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101920741A Expired - Fee Related CN101825069B (en) | 2010-06-04 | 2010-06-04 | Blade folding structure for wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101825069B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065847B (en) * | 2016-08-10 | 2023-03-10 | 西安交通大学 | Variable cross-section wind power blade |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03118897U (en) * | 1990-03-16 | 1991-12-09 | ||
| US6902370B2 (en) * | 2002-06-04 | 2005-06-07 | Energy Unlimited, Inc. | Telescoping wind turbine blade |
| KR20100103546A (en) * | 2008-01-30 | 2010-09-27 | 클립퍼 윈드파워, 인코포레이티드 | Retractable blade structure with a split trailing edge |
| CN101514679B (en) * | 2009-03-27 | 2011-10-05 | 广州雅图风电设备制造有限公司 | Blade of vertical wind driven generator |
| CN101718251B (en) * | 2010-01-21 | 2012-10-31 | 李金芬 | Adjustable vane of wind catching face of wind power generation impeller and vane adjustment method thereof |
| CN201739097U (en) * | 2010-06-04 | 2011-02-09 | 西安交通大学 | Blade folding structure of wind-driven generator |
-
2010
- 2010-06-04 CN CN2010101920741A patent/CN101825069B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101825069A (en) | 2010-09-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20140604 |