CN110242497A - A kind of this wind turbine of flexible leaflet chip Saab knob - Google Patents
A kind of this wind turbine of flexible leaflet chip Saab knob Download PDFInfo
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- CN110242497A CN110242497A CN201910680503.0A CN201910680503A CN110242497A CN 110242497 A CN110242497 A CN 110242497A CN 201910680503 A CN201910680503 A CN 201910680503A CN 110242497 A CN110242497 A CN 110242497A
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- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/061—Rotors characterised by their aerodynamic shape, e.g. aerofoil profiles
-
- 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
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/062—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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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- 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
Locating rod outside a kind of this wind turbine of flexible leaflet chip Saab knob, including four rectangular flexible blades, four blades, locating rod, disc blade installation top plate, disc blade mounting base and rotation axis in two blades；Flexible blade every two are one group, and every group of flexible blade passes through two outer locating rods and an interior locating rod is fixed, and 180 ° of phase angles are differed between two groups of flexible blades；Top plate and bottom plate radius are set as R0, it is R that the outer locating rod of four blades, which is located at same radius,1Circumference on, in two blades locating rod be located at same radius be R2Circumference on, R1=0.9R0~0.95R0, R2=0.1R0~0.15R0, the length after four rectangular flexible mounted blades is 1.1R0~1.4R0, flexible leaflet this wind turbine of chip Saab knob use three layers of series-mode frame, 60 ° of phase angle is differed between first layer and the second layer, 120 ° of phase angle is differed between first layer and third layer；Pod is housed in the outer sheath of the flexible leaflet chip Saab knob of three layers of series-mode frame this wind turbine.
Description
Technical field
The invention belongs to this wind turbine technique fields of Saab knob, more particularly to a kind of this wind wheel of flexible leaflet chip Saab knob
Machine.
Background technique
This wind turbine of Saab knob is to be invented in nineteen twenty-five by Finland engineer, and with the resistance-type vertical axis of its naming
Wind turbine is usually made of two pieces of semicylindrical rigid blades, and S is integrally presented in two pieces of semicylindrical rigid blades
Type, therefore Saab knob this wind turbine is also referred to as S type wind turbine, although the revolution of this wind turbine of Saab knob is not high, can generate
Very big torque, and be not limited by wind direction, it is commonly used for water lift and wind-power electricity generation etc..
But traditional this wind turbine of Saab knob always exist one it is clearly disadvantageous, i.e., wind energy utilization is lower, maximum
Be not more than 10%, main cause are as follows: when incoming flow impacts wind turbine blade, in windward side, wherein one piece of blade by
Be effective push, then what another piece of blade was subject to is exactly resistance, and the resultant force that two pieces of blades are born, which is only, pushes wind turbine rotation
The effective force of acting.
Therefore, it is desirable to further increase the wind energy utilization of this wind turbine of Saab knob, it is necessary to try every possible means to improve promotion wind wheel
The effective force of machine rotation acting, but there is no effective solution methods at this stage.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of flexible leaflet chip Saab knob this wind turbine, for the first time will
Flexible blade is introduced into the design of this wind turbine of Saab knob, effectively increases the effective force for pushing wind turbine rotation acting, finally
Further improve wind energy utilization.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of this wind turbine of flexible leaflet chip Saab knob,
Including the first flexible blade, the second flexible blade, third flexible blade, the 4th flexible blade, blade installation top plate, blade installation
Bottom plate and rotation axis；The blade installation top plate is identical with blade mounting base size and is all made of disc-shaped structure, blade peace
It is horizontally disposed to fill top plate and blade mounting base, the rotation axis is connected in blade installation top plate and blade mounting base vertically
Between the center of circle；Top plate is installed in the blade and blade mounting base outer circumferential sides are fixed with locating rod outside four blades vertically,
The outer locating rod of respectively the first blade, the outer locating rod of the second blade, the outer locating rod of third blade and the outer locating rod of quaterfoil；?
The blade installation top plate and blade mounting base center of circle side are fixed with locating rod in two blades, respectively the first blade vertically
Locating rod in interior locating rod and the second blade；First flexible blade, the second flexible blade, third flexible blade and the 4th are soft
Property blade dimensions it is identical and be all made of rectangular configuration, first flexible blade one end is connected in the outer locating rod of the first blade, first
The flexible blade other end is connected in the outer locating rod of the second blade, and second flexible blade one end is connected in fixed outside the second blade
On the bar of position, the second flexible blade other end is connected in the first blade in locating rod, and third flexible blade one end is connected in
In the outer locating rod of third blade, the third flexible blade other end is connected in the outer locating rod of quaterfoil, the 4th flexible leaflet
Piece one end is connected in the outer locating rod of quaterfoil, and the 4th flexible blade other end is connected in the second blade in locating rod；Institute
It states the outer locating rod of the first blade, the outer locating rod of third blade and rotation axis to be located in the same perpendicular, second blade
The outer locating rod of outer locating rod, quaterfoil and rotation axis are located in the same perpendicular, locating rod in first blade, the
Locating rod and rotation axis are located in the same perpendicular in two blades；It is fixed outside the outer locating rod of first blade, third blade
It is vertical flat where perpendicular where position bar and rotation axis and the outer locating rod of the second blade, the outer locating rod of quaterfoil and rotation axis
Face has 60 ° of angles；The outer locating rod of second blade, the outer locating rod of quaterfoil and perpendicular and first where rotation axis
Locating rod in blade, perpendicular where locating rod and rotation axis is perpendicular in the second blade.
The radius of the blade installation top plate and blade mounting base is set as R0；First blade outer locating rod, second
The outer locating rod of blade, the outer locating rod of third blade and the outer locating rod of quaterfoil are located on same circumference, and the circumference
Radius be set as R1；Locating rod is located on same circumference in locating rod and the second blade in first blade, and the circle
The radius of contour is set as R2；Wherein, R1=0.9R0~0.95R0, R2=0.1R0~0.15R0。
When the expansion of first flexible blade, the second flexible blade, third flexible blade and the 4th flexible blade becomes flat
When face, the length of blade is 1.1R0~1.4R0。
Described flexible leaflet this wind turbine of chip Saab knob uses three layers of series-mode frame, phase between first layer and the second layer
Poor 60 ° of phase angle, differs 120 ° of phase angle between first layer and third layer.
Pod is housed in the outer sheath of the flexible leaflet chip Saab knob of three layers of series-mode frame this wind turbine.
Beneficial effects of the present invention:
This wind turbine of flexible leaflet chip Saab knob of the invention, introduces setting for this wind turbine of Saab knob for flexible blade for the first time
In meter, the effective force for pushing wind turbine rotation acting is effectively increased, wind energy utilization is finally further improved.
Detailed description of the invention
Fig. 1 is a kind of perspective view of this wind turbine of flexible leaflet chip Saab knob of the invention；
Fig. 2 is a kind of vertical view of this wind turbine (blade is installed top plate and is not shown) of flexible leaflet chip Saab knob of the invention
Figure；
Fig. 3 is a kind of flexible leaflet chip Saab knob of the invention this wind turbine (outside the outer locating rod of the first blade, third blade
Perpendicular where locating rod and rotation axis and direction of flow are in 90 ° of angles) operating status figure；
Fig. 4 is a kind of flexible leaflet chip Saab knob of the invention this wind turbine (outside the outer locating rod of the first blade, third blade
Perpendicular where locating rod and rotation axis and direction of flow are in 30 ° of angles) operating status figure；
Fig. 5 is a kind of flexible leaflet chip Saab knob of the invention this wind turbine (outside the outer locating rod of the first blade, third blade
Perpendicular where locating rod and rotation axis and direction of flow are in -30 ° of angles) operating status figure；
Fig. 6 is that a kind of this wind turbine of flexible leaflet chip Saab knob and pod of the invention carry out the schematic diagram after being equipped with；
In figure, the 1-the first flexible blade, the 2-the second flexible blade, 3-third flexible blades, the 4-the four flexible blade,
5-blades installation top plate, 6-blade mounting bases, 7-rotation axis, the outer locating rod of the 8-the first blade, the 9-the second blade are fixed outside
Position bar, the outer locating rod of 10-third blades, the outer locating rod of the 11-the quaterfoil, locating rod in the 12-the first blade, 13-the second
Locating rod in blade, 14-flexible leaflet chip Saab knob this wind turbine, 15-pods.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in figs. 1 to 6, this wind turbine of a kind of flexible leaflet chip Saab knob, including the first flexible blade 1, second are flexible
Blade 2, third flexible blade 3, the 4th flexible blade 4, blade installation top plate 5, blade mounting base 6 and rotation axis 7；The leaf
Piece installation top plate 5 is identical with 6 size of blade mounting base and is all made of disc-shaped structure, and blade installs top plate 5 and blade installation
Bottom plate 6 is horizontally disposed, and the rotation axis 7 is connected in vertically between blade installation top plate 5 and 6 center of circle of blade mounting base；?
Blade installation top plate 5 and 6 outer circumferential sides of blade mounting base are fixed with the outer locating rod of four blades vertically, and respectively first
The outer locating rod 8 of blade, the outer locating rod 9 of the second blade, the outer locating rod 10 of third blade and the outer locating rod 11 of quaterfoil；Described
Blade installation top plate 5 and 6 center of circle side of blade mounting base are fixed with locating rod in two blades vertically, in respectively the first blade
Locating rod 13 in locating rod 12 and the second blade；First flexible blade 1, the second flexible blade 2, third flexible blade 3 and
4th flexible blade, 4 size is identical and is all made of rectangular configuration, and 1 one end of the first flexible blade is connected in the outer locating rod of the first blade
On 8,1 other end of the first flexible blade is connected in the outer locating rod 9 of the second blade, and described second flexible blade, 2 one end is connected in
In the outer locating rod 9 of second blade, 2 other end of the second flexible blade is connected in the first blade in locating rod 12, and the third is soft
Property 3 one end of blade be connected in the outer locating rod 10 of third blade, 3 other end of third flexible blade is connected in outside quaterfoil and positions
On bar 11, described 4th flexible blade, 4 one end is connected in the outer locating rod 11 of quaterfoil, and 4 other end of the 4th flexible blade is solid
It is connected in the second blade in locating rod 13；The outer locating rod 8 of first blade, the outer locating rod 10 of third blade and rotation axis 7
In in the same perpendicular, the outer locating rod 9 of second blade, the outer locating rod 11 of quaterfoil and rotation axis 7 are located at same
In a perpendicular, locating rod 12 in first blade, in the second blade locating rod 13 and rotation axis 7 be located at it is same vertical
In plane；The outer locating rod 8 of first blade, the outer locating rod 10 of third blade and 7 place perpendicular of rotation axis and the second leaf
The outer locating rod 9 of piece, the outer locating rod 11 of quaterfoil and 7 place perpendicular of rotation axis have 60 ° of angles；Outside second blade
Locating rod 12, the second blade in the outer locating rod 11 of locating rod 9, quaterfoil and 7 place perpendicular of rotation axis and the first blade
Interior locating rod 13 and 7 place perpendicular of rotation axis are perpendicular.
The radius of the blade installation top plate 5 and blade mounting base 6 is set as R0；The outer locating rod 8 of first blade, the
The outer locating rod 9 of two blades, the outer locating rod 10 of third blade and the outer locating rod 11 of quaterfoil are located on same circumference, and should
The radius of circumference is set as R1；Locating rod 13 is located at same circumference in locating rod 12 and the second blade in first blade
On, and the radius of the circumference is set as R2；Wherein, R1=0.9R0~0.95R0, R2=0.1R0~0.15R0。
When first flexible blade 1, the second flexible blade 2, third flexible blade 3 and the 4th flexible blade 4 are launched into
When for plane, the length of blade is 1.1R0~1.4R0。
Described flexible leaflet this wind turbine of chip Saab knob uses three layers of series-mode frame, phase between first layer and the second layer
Poor 60 ° of phase angle, differs 120 ° of phase angle between first layer and third layer.
Pod 15 is housed in the outer sheath of the flexible leaflet chip Saab knob of three layers of series-mode frame this wind turbine 14.
Under operating status shown in Fig. 1, bearing maximum by the first flexible blade 1 and the cooperation of the second flexible blade 2 has
Thrust is imitated, effect is identical as conventional rigid blade, resistance is born by third flexible blade 3 and the cooperation of the 4th flexible blade 4,
At this time under incoming flow effect, third flexible blade 3 and the 4th flexible blade 4 can synchronous indent born under concave configuration
Resistance will be significantly lower than conventional rigid blade, increase at this time for pushing the effective force of wind turbine rotation acting to realize, transport herein
Under row state, the wind energy utilization of wind turbine is improved.
Under operating status shown in Fig. 2, four flexible blades are on the same line, and the row of four flexible blades
Column direction is parallel with direction of flow, and thrust suffered by four to be arranged in a linear at this time flexible blade and resistance are generally in flat
The rotation of weighing apparatus state, wind turbine fully relies on inertia, and under the operating status, wind energy utilization of the invention and use tradition are just
The wind turbine of property blade is about the same.
Under operating status shown in Fig. 3, bear effectively to push away by third flexible blade 3 and the cooperation of the 4th flexible blade 4
Power bears resistance by the first flexible blade 1 and the cooperation of the second flexible blade 2, at this time under incoming flow effect, third flexible blade
3 and the 4th flexible blade 4 bear incoming flow thrust simultaneously, and incoming flow resistance is only born by the first flexible blade 1 in the other side, at this time
Thrust and the resultant force of resistance are used to that wind turbine rotation is pushed to do work, compared with using the wind turbine of conventional rigid blade, the resultant force
It is obviously improved.
With the continuous rotation of wind turbine of the present invention, wind turbine of the present invention can be continuous under the operating status in FIG. 1 to FIG. 3
Conversion, finally makes wind energy utilization be further enhanced.
In addition, further changing the side of incoming flow by pod after installing pod additional on the outside of wind turbine of the invention
To making incoming flow more act on thrust sides, while reducing the incoming flow of resistance side, and then mention wind energy utilization again
It is high.
The scope of patent protection that scheme in embodiment is not intended to limit the invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the patents of this case.
Claims (5)
1. a kind of this wind turbine of flexible leaflet chip Saab knob, it is characterised in that: including the first flexible blade, the second flexible blade,
Third flexible blade, the 4th flexible blade, blade installation top plate, blade mounting base and rotation axis；The blade installs top plate
Identical with blade mounting base size and be all made of disc-shaped structure, blade installation top plate and the equal level of blade mounting base are set
It sets, the rotation axis is connected in vertically between blade installation top plate and the blade mounting base center of circle；Top plate is installed in the blade
It is fixed with locating rod outside four blades, respectively the first blade outer locating rod, second vertically with blade mounting base outer circumferential sides
The outer locating rod of blade, the outer locating rod of third blade and the outer locating rod of quaterfoil；Top plate and blade installation are installed in the blade
Bottom plate center of circle side is fixed with locating rod in two blades vertically, positions in locating rod and the second blade in respectively the first blade
Bar；First flexible blade, the second flexible blade, third flexible blade and the 4th flexible blade size are identical and be all made of square
Shape structure, first flexible blade one end are connected in the outer locating rod of the first blade, and the first flexible blade other end is connected in second
In the outer locating rod of blade, second flexible blade one end is connected in the outer locating rod of the second blade, and the second flexible blade is another
End is connected in the first blade in locating rod, and third flexible blade one end is connected in the outer locating rod of third blade, third
The flexible blade other end is connected in the outer locating rod of quaterfoil, and described 4th flexible blade one end is connected in fixed outside quaterfoil
On the bar of position, the 4th flexible blade other end is connected in the second blade in locating rod；First blade outer locating rod, third leaf
The outer locating rod of piece and rotation axis are located in the same perpendicular, the outer locating rod of second blade, the outer locating rod of quaterfoil
And rotation axis is located in the same perpendicular, locating rod in first blade, locating rod and rotation axle position in the second blade
In in the same perpendicular；The outer locating rod of first blade, the outer locating rod of third blade and perpendicular where rotation axis
There are 60 ° of angles with perpendicular where locating rod outside locating rod outside the second blade, quaterfoil and rotation axis；Second leaf
Locating rod in perpendicular where the outer locating rod of the outer locating rod of piece, quaterfoil and rotation axis and the first blade, in the second blade
Perpendicular where locating rod and rotation axis is perpendicular.
2. this wind turbine of a kind of flexible leaflet chip Saab knob according to claim 1, it is characterised in that: the blade installation
The radius of top plate and blade mounting base is set as R0；The outer locating rod of first blade, the second blade outer locating rod, third blade
Outer locating rod and the outer locating rod of quaterfoil are located on same circumference, and the radius of the circumference is set as R1；Described first
Locating rod is located on same circumference in locating rod and the second blade in blade, and the radius of the circumference is set as R2；Wherein,
R1=0.9R0~0.95R0, R2=0.1R0~0.15R0。
3. this wind turbine of a kind of flexible leaflet chip Saab knob according to claim 2, it is characterised in that: when described first soft
Property blade, the second flexible blade, third flexible blade and the 4th flexible blade expansion become plane when, the length of blade is
1.1R0~1.4R0。
4. this wind turbine of a kind of flexible leaflet chip Saab knob according to claim 1, it is characterised in that: the flexible leaflet
This wind turbine of chip Saab knob uses three layers of series-mode frame, and 60 ° of phase angle, first layer are differed between first layer and the second layer
120 ° of phase angle is differed between third layer.
5. this wind turbine of a kind of flexible leaflet chip Saab knob according to claim 4, it is characterised in that: in three layers of tandem
The outer sheath of this wind turbine of the flexible leaflet chip Saab knob of structure is equipped with pod.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910680503.0A CN110242497B (en) | 2019-07-26 | 2019-07-26 | Flexible vane type Sabunius wind turbine |
| PCT/CN2019/100370 WO2021017036A1 (en) | 2019-07-26 | 2019-08-13 | Savonius wind turbine having flexible blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910680503.0A CN110242497B (en) | 2019-07-26 | 2019-07-26 | Flexible vane type Sabunius wind turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110242497A true CN110242497A (en) | 2019-09-17 |
| CN110242497B CN110242497B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910680503.0A Active CN110242497B (en) | 2019-07-26 | 2019-07-26 | Flexible vane type Sabunius wind turbine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110242497B (en) |
| WO (1) | WO2021017036A1 (en) |
Cited By (3)
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| CN111486050A (en) * | 2020-03-05 | 2020-08-04 | 天津大学 | Deformable power generation sail and unmanned exploration ship carrying same |
| CN114396355A (en) * | 2022-01-18 | 2022-04-26 | 北京航空航天大学 | Self-adaptive adjusting efficient vertical axis Savonius wind turbine |
| CN114439679A (en) * | 2022-01-18 | 2022-05-06 | 北京航空航天大学 | Vertical axis wind turbine with self-adaptive telescopic adjustment blades |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118346510A (en) * | 2024-06-07 | 2024-07-16 | 广东海洋大学 | Lift-drag composite self-adaptive vertical axis wind turbine |
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| CN114439679A (en) * | 2022-01-18 | 2022-05-06 | 北京航空航天大学 | Vertical axis wind turbine with self-adaptive telescopic adjustment blades |
| CN114439679B (en) * | 2022-01-18 | 2024-03-22 | 北京航空航天大学 | Vertical axis wind turbine with self-adaptive telescopic adjustment of blades |
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| WO2021017036A1 (en) | 2021-02-04 |
| CN110242497B (en) | 2023-12-05 |
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