CN101832224B - Vortex wind wheel for wind driven generator - Google Patents
Vortex wind wheel for wind driven generator Download PDFInfo
- Publication number
- CN101832224B CN101832224B CN2009100378809A CN200910037880A CN101832224B CN 101832224 B CN101832224 B CN 101832224B CN 2009100378809 A CN2009100378809 A CN 2009100378809A CN 200910037880 A CN200910037880 A CN 200910037880A CN 101832224 B CN101832224 B CN 101832224B
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- CN
- China
- Prior art keywords
- wind
- fan blade
- blade
- axle sleeve
- driven generator
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- 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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- 230000001174 ascending effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/0608—Rotors characterised by their aerodynamic shape
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a vortex wind wheel for a wind driven generator, belonging to the technical field of parts of wind driven generators. The vortex wind wheel comprises a shaft sleeve, the periphery of the shaft sleeve is uniformly fixedly connected with a plurality of fan blades; the fan blades are warped into U shapes and divided into front parts and rear parts by taking connecting lines from blade tops to blade root midpoints as boundary lines, and the rear parts are larger than a projected area of the front parts. The invention can rotate by not only utilizing horizontal airflows, but also utilizing ascending airflows; when the blade wheels rotate, the airflows form vortices on the lower concave surfaces of the fan blades so as to have strong driving force on blade wheels; when the blade wheels rotate, U-shaped convex surfaces are upwind, and the U-shaped convex surfaces are in streamline shapes so as to have little upwind resistance and generate small resistance moment.
Description
Technical field:
The present invention relates to wind-driven generator component technology field, particularly a kind of vortex wind wheel that is used for wind-driven generator.
Background technique:
Wind wheel is the important composition parts of wind-driven generator, is used for wind energy is converted to the rotation ability of machinery, and during use, the fan blade of wind wheel one side is down with the wind promoted by air-flow and rotates, and drives the generator amature rotation thereby order about wind wheel, the realization generating.
Existing wind wheel roughly is divided into paddle wheel and curved blade impeller by its fan blade shape; The fan blade of paddle wheel is slurry shape, and its structure generally is that 3 to 6 blades evenly are installed on axle sleeve, and the paddle wheel windage is little; Wind-engaging promotes rotation easily, but its fan blade wind-receiving face is little, and is not high to utilization ratio of wind energy; Institute thinks that acquisition is high-power; Just will constantly increase the fan blade diameter, and can increase cost and installation and maintenance difficulty like this, thereby influence the wind-powered electricity generation investment value; And the general bending of its fan blade of curved blade impeller is cambered surface, and this impeller its axis direction when mounted is generally perpendicular to airflow direction, promptly vertically installs; The fan blade wind-receiving face of this wind wheel is big; The fan blade of comparing paddle wheel more can capturing wind energy, but its defective is: since fan blade be symmetrically arranged in rotating shaft around, during use the part fan blade be in facing the wind, the accurate state that facings the wind; Simultaneously; Another part fan blade is in against the wind and half contrary wind state, will offset part forward thrust moment like this, reduces the effective generating efficiency of wind-driven generator.
Air-flow comprises horizontal gas flow and upward flow, and the impeller of present wind-driven generator can only utilize a kind of air-flow of direction mostly.
Summary of the invention:
The objective of the invention is to the deficiency of existing technology and a kind of vortex wind wheel that is used for wind-driven generator is provided, this wind wheel can utilize horizontal gas flow, also can utilize upward flow and rotates, and high to utilization ratio of wind energy, reverse windage is little, and Driving force is strong.
For realizing above-mentioned purpose, the present invention adopts following technological scheme:
A kind of vortex wind wheel that is used for wind-driven generator, it comprises an axle sleeve, the axle sleeve outer rim evenly is connected with the multi-disc fan blade; Said fan blade from leaf push up to blade root gradually warpage take the shape of the letter U; Fan blade shrinks gradually from blade root to leaf top and forms wedge angle at Ye Dingchu; It is that the boundary line is divided into front and rear that fan blade pushes up to the line of blade root mid point with leaf, and said rear-projected area is greater than the area of contour of front portion.
Wherein, the blade root of every said fan blade and shaft room are provided with the space.
The U-shaped cross section of said fan blade blade root, its A/F is not more than the length of axle sleeve.
The ratio of the length in said boundary line and blade root U-shaped cross section A/F is not less than 2.
The depth of section in said fan blade blade root U-shaped cross section and the ratio of said A/F are not less than 1.
Further, said axle sleeve outer rim evenly is connected with 8 fan blades.
The recessed side of said fan blade is the windward side.
Said axle sleeve two ends are provided with baffle plate.
Said sleeve lining offers cotter way.
Beneficial effect of the present invention is: a kind of vortex wind wheel that is used for wind-driven generator, and it comprises an axle sleeve, the axle sleeve outer rim evenly is connected with the multi-disc fan blade; Said fan blade from leaf push up to blade root gradually warpage take the shape of the letter U; Fan blade shrinks gradually from blade root to leaf top and forms wedge angle at Ye Dingchu; It is that the boundary line is divided into front and rear that fan blade pushes up to the line of blade root mid point with leaf, and said rear-projected area is greater than the area of contour of front portion; When air-flow when the direction perpendicular to the axle sleeve axle center blows to wind wheel, the wind-engaging that fan blade is recessed forms air swirl in said U-shaped cambered surface, thereby promotes wheel rotation; When air-flow when parallel and the direction axle sleeve axle center blow to wind wheel because the area of contour at said rear portion is greater than the area of contour of front portion, air-flow stopped by the fan blade rear portion, and in said U-shaped cambered surface, forms air swirl, thereby promotes wheel rotation; So the present invention can utilize horizontal gas flow, also can utilize upward flow and rotate; And during wheel rotation, air-flow forms eddy current at the fan blade concave surface, and is strong to the Driving force of impeller; During wheel rotation, said U-shaped crowning contrary wind, this crowning is streamline, and windage is little against the wind, and the resistance torque of generation is little.
Description of drawings:
Accompanying drawing 1 is a front view of the present invention;
Accompanying drawing 2 is left views of the present invention;
Accompanying drawing 3 is front views of fan blade of the present invention;
Accompanying drawing 4 is that the A-A of accompanying drawing 3 is to schematic cross-section.
Embodiment:
Below in conjunction with accompanying drawing the present invention is further described, sees accompanying drawing 1 with shown in the accompanying drawing 3, this is a preferred embodiments of the present invention, a kind of vortex wind wheel that is used for wind-driven generator, and it comprises an axle sleeve 2, axle sleeve 2 outer rims evenly are connected with multi-disc fan blade 1; Said fan blade 1 from leaf top 11 to blade root 12 gradually warpage take the shape of the letter U; Fan blade 1 shrinks gradually and pushes up 11 places at leaf from blade root 12 to leaf top 11 and forms wedge angle; Fan blade 1 is that the boundary line is divided into front portion 14 and rear portion 13 with leaf top 11 lines to blade root 12 mid points, and said rear portion 13 area of contour are greater than the area of contour of front portion 14.
The present invention is coaxial affixed with the rotating shaft of generator through axle sleeve 2, in use, when air-flow when the direction perpendicular to axle sleeve 2 axle center blows to wind wheel, the wind-engaging that fan blade 1 is recessed forms air swirl in said U-shaped cambered surface, thus the promotion wheel rotation; When air-flow when parallel and directions axle sleeve 2 axle center blow to wind wheel because the area of contour at said rear portion 13 is greater than anterior 14 area of contour, air-flow stopped by fan blade 1 rear portion 13, and in said U-shaped cambered surface, forms air swirl, thereby promotes wheel rotation; So the present invention can utilize horizontal gas flow, also can utilize upward flow and rotate; Be applicable to vertical installation, also be suitable for level and install, applied widely.
See shown in the accompanying drawing 2; 2 on the blade root 12 of every said fan blade 1 of present embodiment and axle sleeve are provided with space 15, and this space 15 is an air-flow path, in air-flow blows the U-shaped cambered surface recessed to fan blade 1; To flow to blade root 12 places along this cambered surface; And in said space 15, flow out, blow to next fan blade 1, further like this raising to utilization ratio of wind energy; Simultaneously; Because so fan blade 1 blade root 12 places have all offered said space 15; Then an annular air channel around axle sleeve 2 is formed in the space 15 of all fan blades 1, and air-flow flows in this annular air channel, forms an eddy current around axle sleeve 2; This makes the rotation of impeller stronger, and the moment of torsion of output is bigger.
See shown in the accompanying drawing 4, the U-shaped cross section of said fan blade 1 blade root 12, its A/F is not more than the length of axle sleeve 2; Also that is to say that blade root 12 two ends of said fan blade 1 are fixed on axle sleeve 2 outer walls along axle sleeve 2 axis directions, do not exceed axle sleeve 2 two ends.
The ratio of the length in said boundary line and blade root 12U tee section A/F is not less than 2; The depth of section of said fan blade 1 blade root 12U tee section and the ratio of said A/F are not less than 1; This is in order to make fan blade 1 obtain suitable blowing area, to reduce reverse windage.
See shown in the accompanying drawing 1 that said axle sleeve 2 outer rims of present embodiment evenly are connected with 8 fan blades 1.
Fan blade according to the invention 1 a recessed side is the windward side, and in use, wind could promote wheel rotation to this side; Simultaneously, under the air-flow that is parallel to axle sleeve 2 axis directions, also can work, said anterior 14 of fan blade 1 is facingd the wind in order to guarantee impeller.
See shown in the accompanying drawing 2 that the said axle sleeve of present embodiment 2 two ends are provided with baffle plate 21, said baffle plate 21 is used to prevent that fan blade 1 from sliding along axle sleeve 2 axis directions, and it is more steady that this wind wheel is rotated.
See shown in the accompanying drawing 1 that said axle sleeve 2 inwalls of present embodiment offer cotter way 22, cotter way 22 couplings on this cotter way 22 and the alternator shaft are used to install bearing pin, so that impeller and said rotating shaft are affixed.
The above only is a preferred embodiments of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, characteristic and principle change or modify, includes in patent claim of the present invention.
Claims (4)
1. vortex wind wheel that is used for wind-driven generator, it comprises an axle sleeve (2), axle sleeve (2) outer rim evenly is connected with multi-disc fan blade (1); It is characterized in that: said fan blade (1) from leaf top (11) to blade root (12) gradually warpage take the shape of the letter U; Fan blade (1) shrinks gradually from blade root (12) to leaf top (11) and locates to form wedge angle at Ye Ding (11); Fan blade (1) is that the boundary line is divided into front portion (14) and rear portion (13) with the line of leaf top (11) to blade root (12) mid point, and said rear portion (13) area of contour is greater than the area of contour of anterior (14); The recessed side of said fan blade (1) is the windward side, is provided with space (15) between the blade root (12) of every said fan blade (1) and axle sleeve (2); The U-shaped cross section of said fan blade (1) blade root (12), its A/F is not more than the length of axle sleeve (2); The ratio of the length in said boundary line and blade root (12) U-shaped cross section A/F is not less than 2; The depth of section in said fan blade (1) blade root (12) U-shaped cross section and the ratio of said A/F are not less than 1.
2. a kind of vortex wind wheel that is used for wind-driven generator according to claim 1 is characterized in that: said axle sleeve (2) outer rim evenly is connected with 8 fan blades (1).
3. according to any described a kind of vortex wind wheel that is used for wind-driven generator of claim 1～2, it is characterized in that: said axle sleeve (2) two ends are provided with baffle plate (21).
4. a kind of vortex wind wheel that is used for wind-driven generator according to claim 3 is characterized in that: said axle sleeve (2) inwall offers cotter way (22).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100378809A CN101832224B (en) | 2009-03-13 | 2009-03-13 | Vortex wind wheel for wind driven generator |
| PCT/CN2009/072914 WO2010102473A1 (en) | 2009-03-13 | 2009-07-24 | Vortex wind wheel for wind generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100378809A CN101832224B (en) | 2009-03-13 | 2009-03-13 | Vortex wind wheel for wind driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101832224A CN101832224A (en) | 2010-09-15 |
| CN101832224B true CN101832224B (en) | 2012-04-18 |
Family
ID=42716400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100378809A Expired - Fee Related CN101832224B (en) | 2009-03-13 | 2009-03-13 | Vortex wind wheel for wind driven generator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101832224B (en) |
| WO (1) | WO2010102473A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736391B (en) * | 2016-02-18 | 2018-11-02 | 广州道动新能源有限公司 | A kind of irrigation system of wind energy driving |
| TWI709689B (en) * | 2017-05-22 | 2020-11-11 | 李受勳 | Wind turbine for vehicles |
| CN113719423B (en) * | 2021-07-23 | 2023-04-07 | 国能联合动力技术(连云港)有限公司 | Transfer mechanism is deposited to wind generating set blade multilayer |
| CN116292400A (en) * | 2023-01-17 | 2023-06-23 | 宁波有铭电器有限公司 | An air outlet structure and an air outlet bracket having the same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0675285A1 (en) * | 1994-03-14 | 1995-10-04 | Midwest Research Institute | Airfoils for wind turbine |
| CN2767695Y (en) * | 2005-02-03 | 2006-03-29 | 李军 | Double pinnate variant blade dedicated for wind mill |
| CN1755103A (en) * | 2004-09-29 | 2006-04-05 | 通用电气公司 | Wind turbine rotor blade with in-plane sweep and devices using same, and method for making same |
| US7118338B2 (en) * | 2004-06-30 | 2006-10-10 | General Electric Company | Methods and apparatus for twist bend coupled (TCB) wind turbine blades |
| CN2924055Y (en) * | 2006-07-12 | 2007-07-18 | 吕元林 | Equi-chord major/minor arc groove shape windmill oar |
| CN200961563Y (en) * | 2006-09-30 | 2007-10-17 | 王文发 | Extended blades of large wind turbines |
-
2009
- 2009-03-13 CN CN2009100378809A patent/CN101832224B/en not_active Expired - Fee Related
- 2009-07-24 WO PCT/CN2009/072914 patent/WO2010102473A1/en not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0675285A1 (en) * | 1994-03-14 | 1995-10-04 | Midwest Research Institute | Airfoils for wind turbine |
| US7118338B2 (en) * | 2004-06-30 | 2006-10-10 | General Electric Company | Methods and apparatus for twist bend coupled (TCB) wind turbine blades |
| CN1755103A (en) * | 2004-09-29 | 2006-04-05 | 通用电气公司 | Wind turbine rotor blade with in-plane sweep and devices using same, and method for making same |
| CN2767695Y (en) * | 2005-02-03 | 2006-03-29 | 李军 | Double pinnate variant blade dedicated for wind mill |
| CN2924055Y (en) * | 2006-07-12 | 2007-07-18 | 吕元林 | Equi-chord major/minor arc groove shape windmill oar |
| CN200961563Y (en) * | 2006-09-30 | 2007-10-17 | 王文发 | Extended blades of large wind turbines |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101832224A (en) | 2010-09-15 |
| WO2010102473A1 (en) | 2010-09-16 |
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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 | ||
| DD01 | Delivery of document by public notice |
Addressee: Dongguan Jinxin Intelligent Machinery Equipment Co., Ltd. Document name: Notification that Application Deemed not to be Proposed |
|
| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN HUIRULAI ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DONGGUAN JINXIN INTELLIGENT MACHINERY EQUIPMENT CO., LTD. Effective date: 20150401 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150401 Address after: 523000 Guangdong province Dongguan City Wanjiang river bed Cunmian vortex Patentee after: DONGGUAN HUIRULAI ELECTRIC ENERGY TECHNOLOGY CO., LTD. Address before: C industrial zone of Wanjiang District Guangdong Province Wan Hing Road 523000 Dongguan city Dongguan Jin Xin Intelligent Machinery Equipment Co Ltd Patentee before: Dongguan Jinxin Intelligent Machinery Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20190313 |