CN105971817B - The smaller wing and the Wind turbines with this winglet before Wind turbines kuppe - Google Patents
The smaller wing and the Wind turbines with this winglet before Wind turbines kuppe Download PDFInfo
- Publication number
- CN105971817B CN105971817B CN201610391040.2A CN201610391040A CN105971817B CN 105971817 B CN105971817 B CN 105971817B CN 201610391040 A CN201610391040 A CN 201610391040A CN 105971817 B CN105971817 B CN 105971817B
- Authority
- CN
- China
- Prior art keywords
- winglet
- kuppe
- blade
- wind turbines
- wind
- 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
Links
- 238000010248 power generation Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 241000135309 Processus Species 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 241000469816 Varus Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- 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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- 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
- F03D1/065—Rotors characterised by their construction elements
-
- 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
Landscapes
- Engineering & Computer Science (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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
Abstract
The smaller wing and the Wind turbines with this winglet before Wind turbines kuppe of the present invention, wherein, the smaller wing includes the winglet kuppe of multiple winglets and fixed winglet before Wind turbines kuppe, the front end of winglet kuppe is cambered surface, winglet kuppe rear end has the connecting portion being connected with the blade kuppe of wind power generation unit blade position, and multiple winglets are uniformly distributed before and after winglet kuppe to central axis.A kind of Wind turbines with the smaller wing before kuppe, the position in front of blade is located on kuppe and is evenly arranged with multiple winglets, winglet can together rotate with blade and can will be blown to the air flow guiding of winglet to the leading edge for the wind power generation unit blade for being located at winglet rear.Pass through the setting of winglet so that winglet can overcome the disadvantages that column part of the blade of Wind turbines positioned at blade root position can not be produced by wind-force and rotate or the poor defect of rotational efficienty, and then improve the generating efficiency of Wind turbines.
Description
Technical field
The present invention relates to a kind of winglet and the Wind turbines with this winglet, before especially a kind of Wind turbines kuppe slightly
Winglet and the Wind turbines with this winglet, belong to wind power generation device field.
Background technology
The blade of Wind turbines, in order to meet the steadiness of intensity requirement and connection, blade is to justify close to the position of blade root
Cylindricality, this part can not produce rotation by wind-force or rotation efficiency is relatively low, causes the generating efficiency of whole unit to be affected.
In view of this it is special to propose the present invention.
The content of the invention
Before the technical problem to be solved in the present invention is to overcome the deficiencies in the prior art there is provided a kind of Wind turbines kuppe
The smaller wing and the Wind turbines with this winglet, it is possible to increase the generating efficiency of Wind turbines.
In order to solve the above technical problems, the present invention is using the basic conception of technical scheme：
The smaller wing before Wind turbines kuppe, includes the winglet kuppe of multiple winglets and fixed winglet, winglet kuppe
Front end be cambered surface, winglet kuppe rear end has the connecting portion that is connected with the blade kuppe of wind power generation unit blade position, many
Individual winglet is uniformly distributed before and after winglet kuppe to central axis.
Further, the blade number of Wind turbines of the number of winglet with that need to coordinate is identical.
Further, wind can be guided to the leading edge of the blade of Wind turbines by winglet.
Further, it is provided with winglet kuppe inner chamber and mutually interconnects the axial fan hub of winglet kuppe and Wind turbines
The connecting bracket connect.
A kind of Wind turbines with the smaller wing before kuppe, the position in front of blade is located on kuppe and is uniformly arranged
There are multiple winglets, winglet can together rotate with blade and the air flow guiding for being blown to winglet can be extremely located to the wind turbine at winglet rear
The leading edge of group blade.
Further, the winglet kuppe accompanying by winglet and the blade kuppe of wind power generation unit blade position cooperate
Constitute the complete kuppe of an outer surface smoother.
Further, the quantity of winglet and the quantity of blade are identical, and any winglet is located between two adjacent blades.
Further, winglet kuppe is crown, and generally trapezoidal, upper bottom is arranged on winglet for circular connecting bracket
In the crown space of kuppe, the axial fan hub of the upper bottom of connecting bracket respectively with winglet kuppe and Wind turbines is mutually interconnected
Connect.
Further, winglet kuppe be identical multi-section distribution it is charge-coupled be shaped as one it is crown, each several part adjacent is set
In-flanges is equipped with, in-flanges is provided with bolt hole, connects many parts of winglet kuppe respectively by bolt.
Further, the length of winglet is more than the length of the blade root cylindrical portion of wind power generation unit blade.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
The smaller wing and the Wind turbines with this winglet before Wind turbines kuppe of the present invention, wherein, Wind turbines water conservancy diversion
The smaller wing includes the winglet kuppe of multiple winglets and fixed winglet before cover, and the front end of winglet kuppe is cambered surface, winglet water conservancy diversion
Cover rear end has the connecting portion being connected with the blade kuppe of wind power generation unit blade position, and multiple winglets are before winglet kuppe
Backward central axis is uniformly distributed.A kind of Wind turbines with the smaller wing before kuppe, are located in front of blade on kuppe
Position be evenly arranged with multiple winglets, winglet can together be rotated with blade and will can be blown to winglet air flow guiding it is small to being located at
The leading edge of the wind power generation unit blade at wing rear.Pass through the setting of winglet so that winglet can overcome the disadvantages that the blade of Wind turbines is located at leaf
The column part of root position can not be produced by wind-force and rotated or the poor defect of rotational efficienty, and then improve Wind turbines
Generating efficiency.
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is a kind of schematic elevation view with the Wind turbines of the smaller wing before kuppe in the present invention.
Fig. 2 be the present invention it is a kind of have kuppe before the smaller wing Wind turbines schematic side view.
Fig. 3 is a kind of partial schematic diagram with the Wind turbines of the smaller wing before kuppe in the present invention.
Fig. 4 is the schematic side view of the smaller wing before Wind turbines kuppe in the present invention.
Fig. 5 is the structural representation of the smaller wing before Wind turbines kuppe in the present invention.
Fig. 6 is the structural representation of the smaller wing before Wind turbines kuppe in the present invention.
Fig. 7 is the part-structure schematic diagram of the smaller wing before Wind turbines kuppe in the present invention.
Fig. 8 is the structural representation of connecting bracket.
1st, winglet 2, winglet kuppe 3, connecting bracket 4, u tie 5, in-flanges 6, gap 7, hole 8, impeller of blower
Hub 9, blade 10, kuppe.
Embodiment
Embodiment one
As Figure 4-8, the smaller wing before Wind turbines kuppe of the present invention, it is characterised in that：Including multiple winglets and admittedly
Determine the winglet kuppe of winglet, the front end of winglet kuppe is cambered surface, and winglet kuppe rear end has and wind power generation unit blade position
The connecting portion for the blade kuppe connection put, multiple winglets are uniformly distributed before and after winglet kuppe to central axis.
The blade number of Wind turbines of the number of winglet with that need to coordinate is identical.As shown in figure 1, so, any winglet position
Between two adjacent blades.Wind can be guided to the leading edge of the blade of Wind turbines by winglet.
As shown in figure 3, in order to be able to make the smaller wing before Wind turbines kuppe be fixed on Wind turbines, in winglet kuppe
It is provided with the connecting bracket of the axial fan hub interconnection of winglet kuppe and Wind turbines in chamber.
The smaller wing includes the winglet kuppe of multiple winglets and fixed winglet, small flyer lead before Wind turbines kuppe of the present invention
The front end of stream cover is cambered surface, and winglet kuppe rear end has the connection being connected with the blade kuppe of wind power generation unit blade position
Portion, multiple winglets are uniformly distributed before and after winglet kuppe to central axis.The smaller wing before Wind turbines kuppe is installed
After on the axial fan hub of Wind turbines, winglet can together rotate with blade and can be small to being located at by the air flow guiding for being blown to winglet
The leading edge of the wind power generation unit blade at wing rear.Pass through the setting of winglet so that winglet can overcome the disadvantages that the blade of Wind turbines is located at leaf
The column part of root position can not be produced by wind-force and rotated or the poor defect of rotational efficienty, and then improve Wind turbines
Generating efficiency.
Embodiment two
A kind of Wind turbines with the smaller wing before kuppe of the present invention, the position being located on kuppe in front of blade is equal
Even to be provided with multiple winglets, winglet can together rotate with blade and can will be blown to the air flow guiding of winglet to positioned at winglet rear
The leading edge of wind power generation unit blade.
The length of winglet is more than the length of the blade root cylindrical portion of wind power generation unit blade.
The quantity of winglet is identical with the quantity of blade, and any winglet is located between two adjacent blades.
The blade kuppe of winglet kuppe and wind power generation unit blade position accompanying by winglet, which cooperates, constitutes one
The complete kuppe of outer surface smoother.
With reference to shown in Fig. 1,2,4-7, winglet kuppe, which is that the distribution of identical multi-section is charge-coupled, is shaped as crown a, each several part
Adjacent is provided with in-flanges, and in-flanges is provided with bolt hole, is connected many parts of winglet kuppe respectively by bolt.
Winglet kuppe is crown, and connecting bracket is provided with crown intracavitary, and generally trapezoidal, upper bottom is circular connection
The upper bottom of support is connected with each other with the axial fan hub of winglet kuppe and Wind turbines respectively.
In order to be able to make connecting bracket be connected more firm with the axial fan hub of winglet kuppe and Wind turbines, connecting bracket
Upper bottom is provided between annulus, the annulus of upper bottom to be connected by dowel.The upper bottom annulus of connecting bracket and winglet water conservancy diversion
The inwall contact of cover, and the upper bottom annulus of connecting bracket is fixed on to by multiple u ties the inwall of winglet kuppe.Due to small
Wing kuppe be the distribution of identical multi-section it is charge-coupled be shaped as one it is crown, each several part adjacent is provided with in-flanges, therefore in varus
Upper bottom annulus of the side provided with gap 6 for connecting bracket is passed through.
Multiple through holes are uniformly provided with along its circumference on the bottom annulus of connecting bracket, through hole and wind-powered electricity generation are passed through by screw
Connecting bracket is fixed on the axial fan hub of Wind turbines by the axial fan hub connection of unit, and then will be smaller before whole kuppe
The wing is fixed on the axial fan hub of Wind turbines.
Multiple through holes are uniformly provided with along its circumference on the bottom annulus of connecting bracket, connecting bracket can be rotated and selected
Suitable through hole mounting screw is connected with the axial fan hub with Wind turbines, so that each winglet can be fixed on two adjacent leaves
Correct position between piece, the air flow guiding of winglet can will be blown to after winglet by meeting the relative position of winglet and blade
The requirement of the leading edge of the wind power generation unit blade of side.
A kind of Wind turbines with the smaller wing before kuppe of the present invention, the position being located on kuppe in front of blade is equal
Even to be provided with multiple winglets, winglet can together rotate with blade and can will be blown to the air flow guiding of winglet to positioned at winglet rear
The leading edge of wind power generation unit blade.Pass through the setting of winglet so that winglet can overcome the disadvantages that the blade of Wind turbines is located at blade root position
Column part can not be produced by wind-force and rotated or the poor defect of rotational efficienty, and then improve the generating effect of Wind turbines
Rate.
Embodiment in above-described embodiment can be further combined or replace, and embodiment is only to the present invention's
Preferred embodiment is described, and not the spirit and scope of the present invention are defined, and is not departing from design philosophy of the present invention
Under the premise of, the various changes and modifications that professional and technical personnel in the art make to technical scheme belong to this hair
Bright protection domain.
Claims (9)
1. the smaller wing before Wind turbines kuppe, it is characterised in that：Winglet kuppe including multiple winglets and fixed winglet,
The front end of winglet kuppe is cambered surface, and there is the blade kuppe with wind power generation unit blade position to connect for winglet kuppe rear end
The connecting portion connect, the edge of winglet kuppe rear end is located at the inner side of the blade root cylindrical portion of wind power generation unit blade；It is multiple small
Pterygoid process and is uniformly distributed for the neighboring of winglet kuppe before and after winglet kuppe to central axis；The number of winglet
Amount is identical with the quantity of blade, and any winglet is located between two adjacent blades, and can together be rotated with blade.
2. the smaller wing before Wind turbines kuppe according to claim 1, it is characterised in that：The number of winglet coordinates with needing
Wind turbines blade number it is identical.
3. the smaller wing before Wind turbines kuppe according to claim 1, it is characterised in that：Wind can be guided to wind by winglet
The leading edge of the blade of group of motors.
4. the smaller wing before Wind turbines kuppe according to claim 1, it is characterised in that：Winglet kuppe is set in inner chamber
It is equipped with the connecting bracket of the axial fan hub interconnection of winglet kuppe and Wind turbines.
5. a kind of Wind turbines with the smaller wing before kuppe, it is characterised in that：It is located at the position in front of blade on kuppe
Put and be evenly arranged with multiple winglets, the edge of winglet kuppe rear end is located at the interior of the blade root cylindrical portion of wind power generation unit blade
Side；Multiple processus alae parvaes are for the neighboring of winglet kuppe, and the quantity of winglet is identical with the quantity of blade, and any winglet position
Between two adjacent blades, winglet can together rotate with blade and can will be blown to the air flow guiding of winglet to positioned at winglet rear
Wind power generation unit blade leading edge.
6. a kind of Wind turbines with the smaller wing before kuppe according to claim 5, it is characterised in that：Appended by winglet
The blade kuppe of the winglet kuppe and wind power generation unit blade position, which cooperates, constitutes the complete of outer surface smoother
Kuppe.
7. a kind of Wind turbines with the smaller wing before kuppe according to claim 6, it is characterised in that：Winglet water conservancy diversion
Cover to be crown, generally trapezoidal, upper bottom is arranged in the crown space of winglet kuppe for circular connecting bracket, connecting bracket
Upper bottom be connected with each other respectively with the axial fan hubs of winglet kuppe and Wind turbines.
8. a kind of Wind turbines with the smaller wing before kuppe according to claim 6, it is characterised in that：Winglet water conservancy diversion
Cover for the distribution of identical multi-section it is charge-coupled be shaped as one it is crown, each several part adjacent is provided with in-flanges, and in-flanges is provided with spiral shell
Keyhole, is connected many parts of winglet kuppe by bolt respectively.
9. a kind of Wind turbines with the smaller wing before kuppe according to claim any one of 5-8, it is characterised in that：
The length of winglet is more than the length of the blade root cylindrical portion of wind power generation unit blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391040.2A CN105971817B (en) | 2016-06-03 | 2016-06-03 | The smaller wing and the Wind turbines with this winglet before Wind turbines kuppe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391040.2A CN105971817B (en) | 2016-06-03 | 2016-06-03 | The smaller wing and the Wind turbines with this winglet before Wind turbines kuppe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105971817A CN105971817A (en) | 2016-09-28 |
| CN105971817B true CN105971817B (en) | 2017-09-19 |
Family
ID=57011552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610391040.2A Expired - Fee Related CN105971817B (en) | 2016-06-03 | 2016-06-03 | The smaller wing and the Wind turbines with this winglet before Wind turbines kuppe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105971817B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87214619U (en) * | 1987-10-28 | 1988-10-26 | 金丹 | Lift-resistance force wind-motor |
| US8011886B2 (en) * | 2009-06-30 | 2011-09-06 | General Electric Company | Method and apparatus for increasing lift on wind turbine blade |
| US9151270B2 (en) * | 2012-04-03 | 2015-10-06 | Siemens Aktiengesellschaft | Flatback slat for wind turbine |
| CN103939279A (en) * | 2014-04-30 | 2014-07-23 | 哈尔滨工业大学 | Double-duct horizontal shaft breeze wind turbine |
| CN205036501U (en) * | 2015-10-16 | 2016-02-17 | 大唐巴彦淖尔风力发电有限责任公司 | Flow guide device of fan |
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2016
- 2016-06-03 CN CN201610391040.2A patent/CN105971817B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105971817A (en) | 2016-09-28 |
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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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yu Inventor after: Liu Feng Inventor after: Lu Zhiping Inventor after: Feng Kerui Inventor after: Shang Yixin Inventor after: Zhang Lei Inventor after: Xin Wei Inventor after: Ma Yongli Inventor before: Zhang Yu Inventor before: Liu Feng Inventor before: Lu Zhiping Inventor before: Feng Kerui Inventor before: Zhang Lei Inventor before: Ma Yongli |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20190603 |
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| CF01 | Termination of patent right due to non-payment of annual fee |