CN108561268A - A kind of novel wind motor vortex generator - Google Patents
A kind of novel wind motor vortex generator Download PDFInfo
- Publication number
- CN108561268A CN108561268A CN201810041723.4A CN201810041723A CN108561268A CN 108561268 A CN108561268 A CN 108561268A CN 201810041723 A CN201810041723 A CN 201810041723A CN 108561268 A CN108561268 A CN 108561268A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- wing plate
- vortex generator
- shaft
- notch
- 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
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002156 mixing Methods 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
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- 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
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0232—Adjusting aerodynamic properties of the blades with flaps or slats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/32—Wind speeds
-
- 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 invention discloses a kind of novel wind motor vortex generators, including pedestal, shaft and wing plate, it is characterised in that:The pedestal is hollow plate, the upper and lower surface of the pedestal is curved surface, the lower surface of the pedestal and the surface of blade body fit, notch is arranged in the upper surface of the pedestal, and the wing plate has several, and the wing plate each two constitutes one group of vortex generator, the wing plate is fixed on the shaft, and can be rotated with the shaft, the notch of the wing plate and the pedestal corresponds, and the wing plate can be stretched by the notch inside the hollow plate of the pedestal in rotation.The present invention can further promote the effect of vortex generator lift-rising drag reduction on the basis of existing technology according to the aerofoil profile of the variation flexible modulation vortex generator of wind speed, then promote the generated energy of wind energy conversion system.
Description
Technical field
The present invention relates to a kind of wind energy conversion system vortex generators, and in particular to a kind of novel wind motor vortex generator.
Background technology
It is a kind of technology for controlling flow separation to install vortex generator additional on the surface of large scale wind blade.Vortex generator
It is the wing plate that pneumatic equipment bladess surface is arranged in a certain angle of attack, the both sides of wing plate are respectively pressure face and suction surface, can be produced
Raw wingtip vortex, the wingtip vortex of high-energy can promote the blending of kinetic energy fluid and low kinetic energy fluid in boundary layer outside boundary layer, drop
Lower boundary layer thickness is finally reached the effect of lift-rising drag reduction so that flow separation phenomenon is postponed or eliminated.
There are many aerofoil profiles to select for Current eddy current generator, such as symmetrical triangle vortex generator and symmetrical rectangular vortex hair
Raw device.For different wind speed ranges, various aerofoil profiles are postponed in resistance coefficient and stall angle etc., effect is different
's.Its aerofoil profile of the vortex generator of the prior art is fixed, can not be made adjustment according to the variation of wind speed, lift-rising drag reduction
Performance needs to be further increased.
Invention content
To solve above-mentioned problems of the prior art, the purpose of the present invention is to provide a kind of novel wind motor vortex
Generator can change the aerofoil profile of vortex generator according to the variation of wind speed.
In order to achieve the above objectives, the technical solution adopted in the present invention is：
A kind of novel wind motor vortex generator, including pedestal, shaft and wing plate, it is characterised in that:During the pedestal is
The upper and lower surface of hollow plate, the pedestal is curved surface, and the lower surface of the pedestal and the surface of blade body fit, described
Notch is arranged in the upper surface of pedestal, and the wing plate has several, and the wing plate each two constitutes one group of vortex generator, the wing
Plate is fixed on the shaft, and can be rotated with the shaft, and the notch of the wing plate and the pedestal corresponds, and institute
Wing plate is stated to stretch into inside the hollow plate of the pedestal by the notch in rotation.
Preferably, the wing plate is rectangular thin plate.
Preferably, the thickness of the notch and length and the size and slewing area of the wing plate are adapted.
Preferably, the lower surface of the pedestal and the surface of the blade body are fixed together using adhesive.
Preferably, the rotation of the shaft is controlled by micromotor.
Preferably, the upper surface of the pedestal is coated with photovoltaic generation material, can provide energy for the rotation of the shaft.
Compared to the prior art, the present invention has the following advantages：
A kind of novel wind motor vortex generator of the present invention, can change its aerofoil profile according to the variation of wind speed, wherein symmetrical
The intensity of the resistance coefficient of triangle aerofoil profile and the wingtip vortex of generation is relatively low, is more suitable for the lower operating mode of wind speed, and symmetrical square
The intensity of the resistance coefficient of shape aerofoil profile and the wingtip vortex of generation is higher, is more suitable for operating mode with high wind speed.The present invention is according to wind
Its vortex generator aerofoil profile of the variation flexible modulation of speed can further promote vortex generator increasing on the basis of existing technology
The effect of drag reduction is risen, the generated energy of wind energy conversion system is then promoted.
Description of the drawings
Fig. 1 is the structural schematic diagram of wing plate of the present invention.
Fig. 2 is the structural schematic diagram when present invention is adjusted to symmetrical rectangular aerofoil profile.
Fig. 3 is the structural schematic diagram when present invention is adjusted to symmetrical triangle aerofoil profile.
Fig. 4 is the schematic cross-section when present invention is adjusted to symmetrical rectangular aerofoil profile.
Fig. 5 is the schematic cross-section when present invention is adjusted to symmetrical triangle aerofoil profile.
Fig. 6 is the scheme of installation on blade body when the present invention is adjusted to symmetrical rectangular aerofoil profile.
Fig. 7 is the scheme of installation on blade body when the present invention uses symmetrical triangle aerofoil profile.
Specific implementation mode
Invention is further described in detail with reference to the accompanying drawings and detailed description.
A kind of novel wind motor vortex generator of the present invention, including pedestal 1, shaft 3 and wing plate 2.As shown in Figure 1, pedestal 1
Upper surface notch 4 is set, pedestal 1 is hollow plate, and the upper and lower surface of pedestal 1 is curved surface, lower surface and the blade master of pedestal
The surface of body 5 fits.As shown in Figures 2 and 3, wing plate 2 has several, and 2 each two of wing plate constitutes one group of vortex generator, the wing
Plate 2 is fixed on shaft 3, and can be rotated with shaft 3, and wing plate 2 and the notch 4 of pedestal 1 correspond, and wing plate 2 is rotating
When can be stretched by notch 4 inside the hollow plate of pedestal 1.
As shown in Fig. 2, wing plate 1 is rectangular thin plate, and when wing plate 2 turns to horizontal position shown in Fig. 4, vortex generator
Corresponding aerofoil profile is symmetrical rectangular vortex generator shown in Fig. 2, and the intensity of the wingtip vortex of resistance coefficient and generation is higher, more
To be suitble to operating mode with high wind speed.When wing plate 2 turns to obliquity shown in fig. 5, wing plate 2 stretches into pedestal 1 by notch 4
Hollow plate inside, at this time the corresponding aerofoil profile of vortex generator be symmetrical triangle vortex generator shown in Fig. 3, resistance system
The intensity of number and the wingtip vortex generated is relatively low, is more suitable for the lower operating mode of wind speed.
The position that the present invention installs on blade body 5 is as shown in Figure 6 and Figure 7.The present invention is according to the change of wind speed and the angle of attack
Change and change its vortex generator aerofoil profile, can further promote the effect of vortex generator lift-rising drag reduction on the basis of existing technology
Fruit then promotes the generated energy of wind energy conversion system.
As the embodiment of the present invention preferably, as depicted in figs. 1 and 2, thickness and length and the wing plate 1 of notch 4
Size and slewing area are adapted, to ensure that wing plate 1 being capable of flexible rotating.
As the embodiment of the present invention preferably, as shown in Figure 6 and Figure 7, lower surface and the blade body 5 of pedestal 1
Surface is fixed together using adhesive.
As the embodiment of the present invention preferably, the rotation of shaft 3 is controlled by micromotor, and micromotor can be placed in
The inside of 1 hollow plate of pedestal controls the rotation of shaft 3 according to wind velocity signal, and then adjusts the spatial position of wing plate 1.
As the embodiment of the present invention preferably, the upper surface of pedestal 1 is coated with photovoltaic generation material, can be shaft 3
Rotation provide energy.
Claims (6)
1. a kind of novel wind motor vortex generator, including pedestal, shaft and wing plate, it is characterised in that:The pedestal is hollow
The upper and lower surface of plate, the pedestal is curved surface, and the lower surface of the pedestal and the surface of blade body fit, the base
Notch is arranged in the upper surface of seat, and the wing plate has several, and the wing plate each two constitutes one group of vortex generator, the wing plate
It is fixed on the shaft, and can be rotated with the shaft, the notch of the wing plate and the pedestal corresponds, and described
Wing plate can be stretched by the notch inside the hollow plate of the pedestal in rotation.
2. a kind of novel wind motor vortex generator according to claim 1, it is characterised in that：The wing plate is Thin Rectangular
Plate.
3. a kind of novel wind motor vortex generator according to claim 1, it is characterised in that：The thickness of the notch and
Length and the size and slewing area of the wing plate are adapted.
4. a kind of novel wind motor vortex generator according to claim 1, it is characterised in that：The lower surface of the pedestal
It is fixed together using adhesive with the surface of the blade body.
5. a kind of novel wind motor vortex generator according to claim 1, it is characterised in that：The rotation of the shaft is logical
Cross micromotor control.
6. a kind of novel wind motor vortex generator according to claim 1, it is characterised in that：The upper surface of the pedestal
It is coated with photovoltaic generation material, energy can be provided for the rotation of the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810041723.4A CN108561268A (en) | 2018-01-16 | 2018-01-16 | A kind of novel wind motor vortex generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810041723.4A CN108561268A (en) | 2018-01-16 | 2018-01-16 | A kind of novel wind motor vortex generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108561268A true CN108561268A (en) | 2018-09-21 |
Family
ID=63529828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810041723.4A Pending CN108561268A (en) | 2018-01-16 | 2018-01-16 | A kind of novel wind motor vortex generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108561268A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090442A (en) * | 2019-12-23 | 2021-07-09 | 江苏金风科技有限公司 | Adjustable wing blade, control method and control device thereof and wind generating set |
| CN113997964A (en) * | 2021-11-29 | 2022-02-01 | 中南大学 | Train drag increasing and reducing device based on vortex generator |
-
2018
- 2018-01-16 CN CN201810041723.4A patent/CN108561268A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090442A (en) * | 2019-12-23 | 2021-07-09 | 江苏金风科技有限公司 | Adjustable wing blade, control method and control device thereof and wind generating set |
| CN113997964A (en) * | 2021-11-29 | 2022-02-01 | 中南大学 | Train drag increasing and reducing device based on vortex generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180921 |
|
| WD01 | Invention patent application deemed withdrawn after publication |