CN101550902B - Wind turbine rotor with stub wing panels and Venturi tube effect - Google Patents
Wind turbine rotor with stub wing panels and Venturi tube effect Download PDFInfo
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- CN101550902B CN101550902B CN2009100002701A CN200910000270A CN101550902B CN 101550902 B CN101550902 B CN 101550902B CN 2009100002701 A CN2009100002701 A CN 2009100002701A CN 200910000270 A CN200910000270 A CN 200910000270A CN 101550902 B CN101550902 B CN 101550902B
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- wind wheel
- short wing
- cage modle
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- 230000000694 effects Effects 0.000 title claims abstract description 18
- 238000009827 uniform distribution Methods 0.000 claims description 14
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000002860 competitive effect Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000011890 leaf development Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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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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Abstract
The invention relates to a wind turbine rotor with stub wing panels and Venturi tube effect, which comprises a Darrieus cage type wind wheel and a rotating spindle of the cage type wind wheel, whereinthe cage type wind wheel is a cage type blade assembly consisting of a plurality of flexible bar-like blades; the rotating spindle of the wind turbine rotor and the cage type wind wheel are arranged horizontally and face the wind along the axial direction; and the periphery of the cage type wind wheel is additionally provided with a plurality of stub wing panels evenly arranged around the circumference thereof. Compared with the prior art, the invention fully utilizes the annular flow field energy of the rotating circular space at the position of the maximum diameter of the cage type wind wheel profile wall for working on the cage type wind wheel, thus improving the utilization ratio of wind energy; and secondly, the invention can smoothly start the rotor under a low wind speed condition,thus improving the agility thereof for capturing wind energy. The invention obtains high benefit at a low cost, and has good mechanical property, simple structure, low cost and competitive advantage; and the actual measurement shows that the utilization ratio of wind energy can be improved by 23 percent to 27 percent.
Description
Technical field:
The present invention relates to a kind of wind generating technology, especially relate to a kind of wind mill rotor of the Venturi tube effect with short wing panels.
Background technique:
Produce the history that the First wind power station has more than 100 year till now from Denmark in 1890, wind-power electricity generation has experienced repeated rises and falls, whether is its central issue: competitive economically? the victor can survive.Therefore how to improve the utilization ratio of wind energy, reduce and start wind speed, the development and use low velocity wind energy is generated electricity etc., is the eternal problem that is placed on the wind energy conversion system industry all the time, and many always persevering endeavors of scientific worker are pinpointed the problems and then dealt with problems.A kind of wind mill rotor system of Venturi tube effect in being 2008102113507 application documents, the inventor's number of patent application is disclosed, it is in fact Da Lie formula (Darrieus) cage modle wind wheel that jointly is comprised of a plurality of flexible strip blades, arranged by Horizontal type and facing the wind vertically, its advantage is described in detail in described application documents.But, in research and test thereafter, the inventor finds its Shortcomings part: first, fluid mechanics is tested particularly and shown in the smoke test of flow field: the turning circle annular space at the maximum diameter place of this cage modle wind wheel contoured wall has an annular flow field, its speed is high, energy-intensive is not done work but enter in the cage modle wind wheel, slatterning in vain; The second, under low wind friction velocity, when especially wind speed was lower than 2.5 meter per second, the startup of rotor was more blunt, and the agility shortcoming is not ideal enough to catching fitful wind and gentle breeze.
Summary of the invention:
The objective of the invention is provides a kind of high speed winds that can utilize the energy-intensive in the above-mentioned annular flow field that is wasted for the prior art deficiency, thus reach can be under low wind speed smoothly startup can improve again the wind mill rotor with the Venturi tube effect of short wing panels of wind energy.
The objective of the invention is to realize by following measures: a kind of wind mill rotor of the Venturi tube effect with short wing panels, it comprises a Da Lie formula (Darrieus) cage modle wind wheel, the cage modle vane group that this cage modle wind wheel is made of jointly a plurality of flexible strip blades, and the rotary main shaft of this cage modle wind wheel, the rotary main shaft of described wind mill rotor and cage modle wind wheel are the Horizontal type setting and facing the wind vertically, its special way in, the outer rim of described cage modle wind wheel has additional a plurality of short wing panels along its circumference uniform distribution.
Described a plurality of short wing panels along its circumference uniform distribution is installed on the anchor ear ring of cage modle wind wheel outer rim.
Described a plurality of short wing panels along its circumference uniform distribution is directly installed on strip blade corresponding to cage modle wind wheel.
Described cage modle wind wheel main shaft is provided with support, and described a plurality of short wing panels along its circumference uniform distribution are installed on the aforementioned brackets.
Described cage modle wind wheel is V-shape axle section, and described a plurality of short wing panels along its circumference uniform distribution are installed on the section outer rim of aforementioned V-shape axle section size maximum.
Described cage modle wind wheel is C font axle section, and described a plurality of short wing panels along its circumference uniform distribution are installed on the section outer rim of aforementioned V-shape axle section size maximum.
Described cage modle wind wheel is Φ font axle section, and described a plurality of short wing panels along its circumference uniform distribution are installed on the section outer rim of aforementioned Φ font axle section size maximum.
The described cage modle wind wheel axle section that assumes diamond in shape, described a plurality of short wing panels along its circumference uniform distribution are installed on the section outer rim of aforementioned rhombus axle section size maximum.
Described short wing panels inclination angle is 5～45 degree.
Described short wing panels cross section is streamlined.
Compared with prior art, because the wind mill rotor with the Venturi tube effect of short wing panels that has adopted that the present invention proposes, take full advantage of the annular flow field energy at the turning circle annular space at the maximum diameter place of this cage modle wind wheel contoured wall, make it to doing work in the cage modle wind wheel, improved wind energy utilization; Secondly can under low wind friction velocity, start smoothly rotor, improve its agility.The present invention has obtained high benefit with low cost, and its mechanical property is good, and is simple in structure, and cost is low, has competitive advantage, and actual test shows: wind energy utilization can improve 23-27%.
Description of drawings:
Fig. 1 be embodiment of the invention band short wing panels be V-shape cage modle wind wheel schematic representation.
Fig. 2 be embodiment of the invention band short wing panels be C font cage modle wind wheel schematic representation.
Fig. 3 be embodiment of the invention band short wing panels be Φ font cage modle wind wheel schematic representation.
Fig. 4 is the cage modle wind wheel schematic representation that assumes diamond in shape of embodiment of the invention band short wing panels.
Fig. 5 is that embodiment of the invention cage modle wind wheel main shaft is provided with the support schematic representation.
Fig. 6 (a), (b), (c) are a kind of special Venturi tube physical model schematic representation.
Embodiment:
Below in conjunction with accompanying drawing embodiment is elaborated: Fig. 1～Fig. 5 is the wind mill rotor of the Venturi tube effect of band short wing panels of the present invention.A kind of wind mill rotor of the Venturi tube effect with short wing panels, it comprises a Da Lie formula (Darrieus) cage modle wind wheel 1, the cage modle vane group that this cage modle wind wheel is made of jointly a plurality of flexible strip blades 2, and the rotary main shaft 3 of this cage modle wind wheel, the rotary main shaft of described wind mill rotor and cage modle wind wheel are the Horizontal type setting and facing the wind vertically, and the outer rim of described cage modle wind wheel has additional a plurality of short wing panels 4 along its circumference uniform distribution.Described a plurality of short wing panels along its circumference uniform distribution can be installed on the anchor ear ring 5 of cage modle wind wheel outer rim, also can be directly installed on strip blade corresponding to cage modle wind wheel, also can be installed on the support 6 that cage modle wind wheel main shaft is provided with.As for the quantity of short wing panels can with the quantity of strip blade, also can be lower than the quantity of blade.
Fig. 6 (a), (b), (c) are a kind of special Venturi tube physical model schematic representation.Cone shape cage modle solid of rotation obstacle is placed on a wind speed stably in the flow field time as seen from the figure, and following variation will occur in the flow field: air-flow can change flow trace because stopped by this obstacle, flow along its profile outer wall, sees Fig. 6 (a).If Da Lie formula (Darrieus) cage modle wind wheel is placed in the incoming flow wind flow field, because the periphery of this cone shape cage modle solid of rotation is not " vacuum ", be looped around ambient air but exist all the time, shown in Fig. 6 (b), these are looped around the effect that ambient air has in fact played " pipeline ", it is retraining the flowing space of air-flow, hinder aforementioned air and continue radially peripheral diffusion, and can only in this " pipeline " scope, flow forward, so obviously, increase along with solid of rotation obstacle diameter, air-flow is constantly compressed, thereby be accelerated, until leave the maximum diameter place of rotor, then wind speed could constantly reduce, and theoretical analysis and actual flow field simulation all illustrate: airspeed is high in the annular flow field around the revolution annulus at the maximum diameter place of cage modle wind wheel contoured wall, energy-intensive.The phenomenon that airspeed is high, energy density is large in described annular flow field below not only has been described, and its origin cause of formation has been described.So how, could utilize this part energy and not allow it lose in vain? core thinking of the present invention is such: see Fig. 6 (c), arrange some along the uniform short wing panels 4 of its circumferencial direction in the increase of the periphery of cage-type rotor, these blades are just in time cut described annular flow field, our experiments show that when the inclination angle of short wing panels and wing shape area relevant.When the inclination angle of short wing panels reaches the effect that can obtain when the short wing panels cross section is streamlined in 5～45 degree scopes.When air-flow passes through this zone, impact blade and with the leaf development energy interchange kinetic energy is passed to blade, thereby so that the wind energy in the described zone is intercepted and captured utilization.
Above-described embodiment is not construed as limiting the invention, and all employings are equal to replaces or technological scheme that the form of equivalent transformation obtains, all drops within protection scope of the present invention.
Claims (6)
1. wind mill rotor with the Venturi tube effect of short wing panels, it comprises a Da Lie formula cage modle wind wheel, the cage modle vane group that this cage modle wind wheel is made of jointly a plurality of flexible strip blades, and the rotary main shaft of this cage modle wind wheel, the rotary main shaft of described wind mill rotor and cage modle wind wheel are the Horizontal type setting and facing the wind vertically, it is characterized in that the outer rim of described cage modle wind wheel has additional a plurality of short wing panels along its circumference uniform distribution.
2. the wind mill rotor of the Venturi tube effect with short wing panels according to claim 1 is characterized in that described a plurality of short wing panels along its circumference uniform distribution is installed on the anchor ear ring of cage modle wind wheel outer rim.
3. the wind mill rotor of the Venturi tube effect with short wing panels according to claim 1 is characterized in that described a plurality of short wing panels along its circumference uniform distribution is directly installed on strip blade corresponding to cage modle wind wheel.
4. the wind mill rotor of the Venturi tube effect with short wing panels according to claim 1 is characterized in that described cage modle wind wheel main shaft is provided with support, and described a plurality of short wing panels along its circumference uniform distribution are installed on the aforementioned brackets.
5. the wind mill rotor of the Venturi tube effect with short wing panels according to claim 1 is characterized in that described short wing panels inclination angle is 5～45 degree.
6. the wind mill rotor of the Venturi tube effect with short wing panels according to claim 1 is characterized in that described short wing panels cross section is streamlined.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100002701A CN101550902B (en) | 2009-01-15 | 2009-01-15 | Wind turbine rotor with stub wing panels and Venturi tube effect |
| US13/120,169 US8851828B2 (en) | 2008-09-23 | 2009-09-22 | Wind turbine rotor with venturi tube effect |
| EP09817168A EP2330293A1 (en) | 2008-09-23 | 2009-09-22 | Wind turbine rotor with venturi tube effect |
| PCT/CN2009/001062 WO2010037254A1 (en) | 2008-09-23 | 2009-09-22 | Wind turbine rotor with venturi tube effect |
| AU2009299045A AU2009299045B2 (en) | 2008-09-23 | 2009-09-22 | Rotor Of Wind Conversion System With Venturi-Tube Effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100002701A CN101550902B (en) | 2009-01-15 | 2009-01-15 | Wind turbine rotor with stub wing panels and Venturi tube effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101550902A CN101550902A (en) | 2009-10-07 |
| CN101550902B true CN101550902B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100002701A Expired - Fee Related CN101550902B (en) | 2008-09-23 | 2009-01-15 | Wind turbine rotor with stub wing panels and Venturi tube effect |
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| Country | Link |
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| CN (1) | CN101550902B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11035340B2 (en) | 2014-08-05 | 2021-06-15 | Biomerenewables Inc. | Fluidic turbine structure |
| DK3177838T3 (en) | 2014-08-05 | 2021-04-12 | Biomerenewables Inc | Fluid-redirecting structure |
| CN104976059A (en) * | 2015-04-17 | 2015-10-14 | 李德生 | Oblique arc angle type high-efficiency wind power system capable of avoiding resistance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7018167B2 (en) * | 2001-01-26 | 2006-03-28 | Y & Y Co., Ltd. | Fluid machinery |
| CN2799888Y (en) * | 2005-01-13 | 2006-07-26 | 柳和圭 | Cage-shaped wind energy device |
| CN201351574Y (en) * | 2009-01-15 | 2009-11-25 | 张云龙 | Wind mill rotor with short wing panels of Venturi tube effect |
-
2009
- 2009-01-15 CN CN2009100002701A patent/CN101550902B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7018167B2 (en) * | 2001-01-26 | 2006-03-28 | Y & Y Co., Ltd. | Fluid machinery |
| CN2799888Y (en) * | 2005-01-13 | 2006-07-26 | 柳和圭 | Cage-shaped wind energy device |
| CN201351574Y (en) * | 2009-01-15 | 2009-11-25 | 张云龙 | Wind mill rotor with short wing panels of Venturi tube effect |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2002-332953A 2002.11.22 |
| JP特开2006-17093A 2006.01.19 |
| JP特开2006-63932A 2006.03.09 |
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| CN101550902A (en) | 2009-10-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI FOREVOO WINDPOWER TECHNOLOGY CO., LTD. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200030 ROOM 102, BUILDING 6, NO.128, HONGQIAO ROAD, XUHUI DISTRICT, SHANGHAI CITY TO: 200030 ROOM 102, TOWER 6, NO.128, HONGQIAO ROAD, XUHUI DISTRICT, SHANGHAI CITY |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20100630 Address after: 200030 room 6, block 128, 102 Hongqiao Road, Shanghai, Xuhui District Applicant after: Zhang Yunlong Co-applicant after: Zhang Yunlong Address before: 200030, room 6, building 128, 102 Hongqiao Road, Shanghai, Xuhui District Applicant before: Zhang Yunlong |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 200030 room 6, block 128, 102 Hongqiao Road, Shanghai, Xuhui District Applicant after: Zhang Yunlong Applicant after: Shanghai Forevoo New Energy System Co., Ltd. Address before: 200030 room 6, block 128, 102 Hongqiao Road, Shanghai, Xuhui District Applicant before: Zhang Yunlong Applicant before: Zhang Yunlong |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Wind turbine rotor with stub wing panels and Venturi tube effect Effective date of registration: 20130704 Granted publication date: 20130424 Pledgee: Bank of Hankou Limited by Share Ltd Optics Valley branch Pledgor: Shanghai forevoo Green Energy System Co. Ltd.|Zhang Yunlong Registration number: 2013310000033 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20141119 Granted publication date: 20130424 Pledgee: Bank of Hankou Limited by Share Ltd Optics Valley branch Pledgor: Shanghai forevoo Green Energy System Co. Ltd.|Zhang Yunlong Registration number: 2013310000033 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20160115 |
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| EXPY | Termination of patent right or utility model |