CN207064139U - Wind generator set blade - Google Patents
Wind generator set blade Download PDFInfo
- Publication number
- CN207064139U CN207064139U CN201721034573.1U CN201721034573U CN207064139U CN 207064139 U CN207064139 U CN 207064139U CN 201721034573 U CN201721034573 U CN 201721034573U CN 207064139 U CN207064139 U CN 207064139U
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- blade
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- straight line
- tip
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- 230000007704 transition Effects 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- 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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- Wind Motors (AREA)
Abstract
The utility model provides a kind of wind generator set blade.The wind generator set blade includes：Blade root；Blade tip；And blade, for the blade between the blade root and the blade tip, the blade includes blade leading edge and blade trailing edge；Wherein, formed with tip vane at the blade tip, the tip vane includes tip vane leading edge and tip vane trailing edge, and the tip vane is bent towards the blade leading edge or the blade trailing edge, and the camber angle of the tip vane is zero.Blade noise can be reduced according to the wind generator set blade of the present utility model, and there is the characteristics of simple in construction and in light weight.The wind generator set blade can improve blade lift, reduce blade drag, and improve power coefficient.
Description
Technical field
Technical field of wind power generation is the utility model is related to, more particularly, to a kind of wind generator set blade.
Background technology
Wind generator set blade is to be used for capturing the critical component of wind energy, wind-driven generator in modern wind generating set
During group blade operation, the pressure of pressure face is higher than suction surface, and in the presence of pressure difference, the air-flow of pressure face just bypasses blade tip stream
To suction surface, the streamline of pressure face is thus set to be tilted from blade root to blade tip, and the streamline of suction surface is then inclined to blade root by blade tip.
Because pressure face and suction surface air-flow have different flow directions at trailing edge, tip vortex then is formed in blade tip, so as to cause to produce
Leave point noise, reduce wind power generating set entirety pneumatic efficiency.
Winglet commonly used in civil aircraft is used for reference, the blade design with tip vane can reduce blade tip and make an uproar
Sound, improve wind power generating set entirety pneumatic efficiency.However, existing tip vane is normally provided as towards pressure face at present
Or the tip vane of the bending upwards type of suction surface tilting, and the sweep angle of tip vane, camber angle and twist angle are simultaneously small in blade tip
Consecutive variations on the changeover portion of the wing, the tip vane weight being arranged such is larger and the effect of reduction resistance is limited.It is in addition, this
Bending upwards type tip vane needs stiffening device, so as to cause its complicated, weight increase.
Utility model content
For noise and existing bending upwards type tip vane structure caused by energy loss caused by solving tip vortex, trailing edge
The problems such as complexity, weight increase, according to one side of the present utility model, there is provided a kind of wind power generating set with tip vane
Blade, wherein, tip vane is bent towards blade leading edge or trailing edge.
According to one side of the present utility model, there is provided a kind of wind generator set blade, the wind generator set blade
Including：Blade root；Blade tip；And blade, the blade is between the blade root and the blade tip, before the blade includes blade
Edge and blade trailing edge；Wherein, tip vane leading edge and leaf are included formed with tip vane, the tip vane at the blade tip
Sharp winglet trailing edge, the tip vane is bent towards the blade leading edge or the blade trailing edge, and the tip vane
Camber angle be zero.
According to exemplary embodiment of the present utility model, the tip vane leading edge and the tip vane trailing edge can be distinguished
Including n section, described section is straightway or curved section, wherein, n is the natural number more than or equal to 1.
According to exemplary embodiment of the present utility model, the tip vane leading edge can open up to before sequentially including along blade
Edge first straight line section and leading edge second straight line section, the tip vane trailing edge can be opened up straight to trailing edge first is sequentially included along blade
Line segment and trailing edge second straight line section, and meet following conditionals：
5 80 ° of 1 ∣ ＜ of ° ≤ ∣ α,
0 ° of ∣≤75 ° of ＜ ∣ α 2,
5 75 ° of 1 ∣ ＜ of ° ≤ ∣ β,
0 ° of ∣≤70 ° of ＜ ∣ β 2,
∣≤80 ° of ∣ α 1+ α 2,
∣≤75 ° of ∣ β 1+ β 2,
Wherein, α 1 represents that the length direction along the blade of the leading edge first straight line section and the blade leading edge extends
The angle that is formed of reference line, α 2 represents that the leading edge second straight line section and the leading edge first straight line section are opened up to prolonging along blade
The angle that the reference line stretched is formed, and β 1 represents the length along the blade of the trailing edge first straight line section and the blade trailing edge
The angle that the reference line of direction extension is formed is spent, β 2 represents the edge of the trailing edge second straight line section and the trailing edge first straight line section
Blade opens up the angle of the reference line formation to extension.
According to another exemplary embodiment of the present utility model, the tip vane leading edge may include a leading edge straight line,
The tip vane trailing edge includes a trailing edge straight line, and meets following conditionals：
∣≤80 ° of 5 ° ≤ ∣ α 3,
∣≤75 ° of 5 ° ≤ ∣ β 3,
Wherein, α 3 represents the reference that the length direction along the blade of the leading edge straight line and the blade leading edge extends
The angle that line is formed, β 3 represent the reference that the length direction along the blade of the trailing edge straight line and the blade trailing edge extends
The angle that line is formed.
According to further example embodiment of the present utility model, the tip vane leading edge may include that a leading edge is continuously bent
Line, the tip vane trailing edge may include a trailing edge full curve, and meet following conditionals：
∣≤90 ° of 0 ° ≤ ∣ α 4,
0 90 ° of 4 ∣ ＜ of ° ≤ ∣ β,
Wherein, α 4 represents the tangent line of the leading edge full curve and the length direction along the blade of the blade leading edge
The angle that the reference line of extension is formed, β 4 represent the tangent line of the trailing edge full curve and the blade trailing edge along the blade
Length direction extension the angle that is formed of reference line, and α 4 and β 4 are opened up to consecutive variations along blade.
Preferably, between the leading edge first straight line section and the blade leading edge and the trailing edge first straight line section and institute
State between blade trailing edge, between the leading edge second straight line section and the leading edge first straight line section and the trailing edge second straight line
Can be continuously smooth transition between section and the trailing edge first straight line section.
Preferably, between the leading edge straight line and the blade leading edge and the trailing edge straight line and the blade trailing edge it
Between can be continuously smooth transition.
Preferably, between the leading edge full curve and the blade leading edge and the trailing edge full curve and the leaf
Can be behind continuously smooth transition between edge.
Preferably, can be continuously smooth transition between the tip vane and the blade.
Preferably, the aerofoil section of the tip vane can be corresponding with the section of the blade.
Blade noise can be reduced according to the wind generator set blade of the present utility model, and with simple in construction and
It is in light weight.The wind generator set blade can improve blade lift, reduce blade drag and improve power coefficient.
Brief description of the drawings
Exemplary embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, it is of the present utility model more than and
Other features and advantage will become clearer, in accompanying drawing：
Fig. 1 is the perspective view according to the wind generator set blade of exemplary embodiment of the present utility model；
Fig. 2 is the top view according to the wind generator set blade of exemplary embodiment of the present utility model；
Fig. 3 is showing according to the tip vane of the wind generator set blade of an exemplary embodiment of the present utility model
It is intended to；
Fig. 4 is showing according to the tip vane of the wind generator set blade of another exemplary embodiment of the present utility model
It is intended to；
Fig. 5 is showing according to the tip vane of the wind generator set blade of further example embodiment of the present utility model
It is intended to.
Embodiment
Embodiment of the present utility model is more fully described now with reference to accompanying drawing, the utility model is shown in the drawings
Exemplary embodiment.
Wind generator set blade below in conjunction with Fig. 1 to Fig. 5 descriptions according to exemplary embodiment of the present utility model
And its tip vane.
Fig. 1 is the perspective view according to the wind generator set blade of exemplary embodiment of the present utility model；Fig. 2 is basis
The top view of the wind generator set blade of exemplary embodiment of the present utility model.
As depicted in figs. 1 and 2, leaf is included according to the wind generator set blade 10 of exemplary embodiment of the present utility model
Root 11, blade 16 and blade tip 12, wherein, blade root 11 is used to blade being installed to wheel hub, and blade 16 is from blade root 11 towards leaf
Point 12 extends, and blade tip 12 is located at one end relative with blade root 11 relative to blade 16.Herein, as shown in Figure 2, blade 16 is perpendicular
Certain length directly is extended downwardly, therefore, vertically downward direction is the length direction of blade 16 in Fig. 2.Blade 16 can have
Blade leading edge 13 and blade trailing edge 14, and (do not marked with the pressure face 15 and suction surface extended between leading edge 13 and trailing edge 14
Go out).Blade 16 generally has pneumatic wing type so that pneumatic principle known to the use of blade 10 obtains wind energy.
Wherein, tip vane 20 is may also be formed with blade tip 12, tip vane 20 can be opened up along blade to positioned at blade tip 12
End.Herein, blade is opened up to referring to blade 10 from blade 16 towards the bearing of trend of blade tip 12.Work as in some embodiments
In, tip vane 20 can be the part separated with blade 16, and be installed on blade 16.Among further embodiment, leaf
Sharp winglet 20 can be formed as overall structure with blade 16 by being integrally formed.
Preferably, can be continuously smooth transition between tip vane 20 and blade 16.
Further, it is understood that the aerofoil section of tip vane 20 can be corresponding with the section of blade 16.
According to exemplary embodiment of the present utility model, tip vane 20 may include tip vane leading edge 23 and tip vane
Trailing edge 24, and tip vane 20 can be bent towards blade leading edge 13 or blade trailing edge 14.
According to exemplary embodiment of the present utility model, tip vane 20 can define sweep angle, and tip vane 20
Camber angle can be zero, so that tip vane 20 is in formula of splaying.Sweep angle characterizes tip vane 20 towards blade leading edge 13 or leaf
The curved degree inclined of edge 14 behind, camber angle characterize tip vane 20 towards the curved degree inclined of pressure face or suction surface.In this example
In property embodiment, tip vane 20 is only oriented towards blade leading edge 13 or blade trailing edge 14 is bent, and not towards pressure face or suction surface
Bending.
Following conditionals can be met according to the tip vane 20 of exemplary embodiment of the present utility model：
0 ° ≤ ∣ α ∣≤90 °,
0 90 ° of ° ≤ ∣ β ∣ ＜,
Wherein, α represents sweep angle of the tip vane 20 at tip vane leading edge 23, and β represents that tip vane 20 is small in blade tip
Sweep angle at wing trailing edge 24.More specifically, sweep angle α is the length along blade 16 of tip vane leading edge 23 and blade leading edge 13
The angle that the reference line of direction (as shown in Fig. 2 vertically downward direction) extension is formed, β represent tip vane trailing edge 24 and leaf
The angle that the reference line of the extension of the length direction (as shown in Fig. 2 vertically downward direction) along blade 16 of edge 14 is formed behind.
In this manual, when tip vane 20 bends (that is, tip vane leading edge 23 and tip vane trailing edge 24 towards blade leading edge 13
Bent towards blade leading edge 13) when, α and β simultaneously on the occasion of；When tip vane 20 bends (that is, blade tip towards blade trailing edge 14
Small nose of wing 23 and tip vane trailing edge 24 are bent towards blade trailing edge 14) when, α and β are simultaneously negative value.
According to exemplary embodiment of the present utility model, the tip vane leading edge 23 and tip vane trailing edge of tip vane 20
24 can include n section respectively, and described section is straightway or curved section, wherein, n is the natural number more than or equal to 1.That is, blade tip
Small nose of wing 23 may include the n bars curved section that the n bar straightways being connected with each other either are connected with each other or may include straightway and
Both curved sections.Similarly, the n bars that tip vane trailing edge 24 may also comprise the n bars straightway being connected with each other or be connected with each other
Curved section, or may include both straightway and curved section.
The specific example of tip vane 20 is discussed in detail below in conjunction with Fig. 3 to Fig. 5.
Fig. 3 is the tip vane 20 according to the wind generator set blade 10 of an exemplary embodiment of the present utility model
Schematic diagram.
Reference picture 3, tip vane leading edge 23 and tip vane trailing edge 24 can include two straightways respectively.Specifically, leaf
The small nose of wing 23 of point can be opened up along blade to small sequentially including leading edge first straight line section 23a and leading edge second straight line section 23b, blade tip
Wing trailing edge 24 can be opened up along blade to sequentially including trailing edge first straight line section 24a and trailing edge second straight line section 24b, and blade tip is small
The wing 20 can meet following conditionals：
5 80 ° of 1 ∣ ＜ of ° ≤ ∣ α,
0 ° of ∣≤75 ° of ＜ ∣ α 2,
5 75 ° of 1 ∣ ＜ of ° ≤ ∣ β,
0 ° of ∣≤70 ° of ＜ ∣ β 2,
∣≤80 ° of ∣ α 1+ α 2,
∣≤75 ° of ∣ β 1+ β 2,
Wherein, α 1 represents the ginseng that the length direction along blade 16 of leading edge first straight line section 23a and blade leading edge 13 extends
The angle of line formation is examined, α 2 represents the leading edge second straight line section 23b and leading edge first straight line section 23a ginseng opened up along blade to extension
The angle of line formation is examined, and β 1 represents that trailing edge first straight line section 24a and blade trailing edge 14 length direction along blade 16 extend
The angle that is formed of reference line, β 2 represents being opened up along blade to extension for trailing edge second straight line section 24b and trailing edge first straight line section 24a
Reference line formed angle.
In one example, tip vane 20 can be preferably constructed to meet following conditionals：
∣≤50 ° of 30 ° ≤ ∣ α 1,
∣≤50 ° of 30 ° ≤ ∣ α 2,
∣≤30 ° of 10 ° ≤ ∣ β 1,
∣≤30 ° of 10 ° ≤ ∣ β 2,
∣≤80 ° of ∣ α 1+ α 2,
∣β1+β2∣≤75°。
Preferably, between leading edge first straight line section 23a and blade leading edge 13 and after trailing edge first straight line section 24a and blade
Between edge 14, between leading edge second straight line section 23b and leading edge first straight line section 23a and trailing edge second straight line section 24b and trailing edge
It can be continuously smooth transition between first straight line section 24a.
Fig. 4 is the tip vane 20 according to the wind generator set blade 10 of another exemplary embodiment of the present utility model
Schematic diagram.
Reference picture 4, tip vane leading edge 23 and tip vane trailing edge 24 may each comprise a straight line.Specifically, blade tip is small
Nose of wing 23 may include a leading edge straight line 23c, tip vane trailing edge 24 include can a trailing edge straight line 24c, and blade tip is small
The wing 20 can meet following conditionals：
∣≤80 ° of 5 ° ≤ ∣ α 3,
∣≤75 ° of 5 ° ≤ ∣ β 3,
Wherein, α 3 represents that the reference that the length direction along blade 16 of leading edge straight line 23c and blade leading edge 13 extends is linear
Into angle, β 3 represents what the reference line that the length direction along blade 16 of trailing edge straight line 24c and blade trailing edge 14 extends was formed
Angle.
In one example, tip vane 20 can be preferably constructed to meet following conditionals：
∣≤60 ° of 30 ° ≤ ∣ α 3,
10°≤∣β3∣≤50°。
Preferably, between leading edge straight line 23c and blade leading edge 13 and between trailing edge straight line 24c and blade trailing edge 14
For continuously smooth transition.
Fig. 5 is the tip vane 20 according to the wind generator set blade 10 of further example embodiment of the present utility model
Schematic diagram.
Reference picture 5, tip vane leading edge 23 and tip vane trailing edge 24 may each comprise a full curve.Specifically, leaf
The small nose of wing 23 of point may include a leading edge full curve 23d, and tip vane trailing edge 24 includes can a trailing edge full curve
24d, and tip vane 20 can meet following conditionals：
∣≤90 ° of 0 ° ≤ ∣ α 4,
0 90 ° of 4 ∣ ＜ of ° ≤ ∣ β,
Wherein, α 4 represents that leading edge full curve 23d tangent line extends with the length direction along blade 16 of blade leading edge 13
The angle that is formed of reference line, β 4 represents trailing edge full curve 24d tangent line and the length side along blade 16 of blade trailing edge 14
The angle formed to the reference line of extension, and α 4 and β 4 are opened up to consecutive variations along blade.
Preferably, between leading edge full curve 23d and blade leading edge 13 and trailing edge full curve 24d and blade trailing edge 14
Between can be continuously smooth transition.
Blade noise can be reduced according to wind generator set blade of the present utility model, and due to its tip vane only court
Make it that its is simple in construction and in light weight to blade leading edge or trailing edge bending.In addition, have blade tip small according to of the present utility model
The wind generator set blade of the wing can improve blade lift, reduce blade drag and improve power coefficient.
Although specifically illustrating and describing the utility model with reference to exemplary embodiment of the present utility model, this
Field those of ordinary skill is not it should be understood that departing from the situation for the spirit and scope of the present utility model being defined by the claims
Under, the various changes of form and details can be carried out to it.
Claims (10)
1. a kind of wind generator set blade (10), the wind generator set blade (10) includes：
Blade root (11)；
Blade tip (12)；And
Blade (16), between the blade root (11) and the blade tip (12), the blade (16) includes the blade (16)
Blade leading edge (13) and blade trailing edge (14),
Characterized in that, at the blade tip (12) place formed with tip vane (20), it is small that the tip vane (20) includes blade tip
Nose of wing (23) and tip vane trailing edge (24), the tip vane (20) is towards the blade leading edge (13) or the blade
Trailing edge (14) is bent, and the camber angle of the tip vane (20) is zero.
2. wind generator set blade (10) according to claim 1, it is characterised in that the tip vane leading edge (23)
Include n section respectively with the tip vane trailing edge (24), described section is straightway or curved section, wherein, n be more than or equal to
1 natural number.
3. wind generator set blade (10) according to claim 1 or 2, it is characterised in that the tip vane leading edge
(23) opened up along blade to sequentially including leading edge first straight line section (23a) and leading edge second straight line section (23b), the tip vane
Trailing edge (24) is opened up to sequentially including trailing edge first straight line section (24a) and trailing edge second straight line section (24b) along blade, and is met
Following conditionals：
5 80 ° of 1 ∣ ＜ of ° ≤ ∣ α,
0 ° of ∣≤75 ° of ＜ ∣ α 2,
5 75 ° of 1 ∣ ＜ of ° ≤ ∣ β,
0 ° of ∣≤70 ° of ＜ ∣ β 2,
∣≤80 ° of ∣ α 1+ α 2,
∣≤75 ° of ∣ β 1+ β 2,
Wherein, α 1 represents the length along the blade (16) of the leading edge first straight line section (23a) and the blade leading edge (13)
The angle that the reference line of direction extension is formed is spent, α 2 represents the leading edge second straight line section (23b) and the leading edge first straight line
The angle that the reference line formation to extension is opened up along blade of section (23a), and β 1 represents the trailing edge first straight line section (24a) and institute
The angle that the reference line of the length direction extension along the blade (16) of blade trailing edge (14) is formed is stated, β 2 represents the trailing edge
Second straight line section (24b) and the angle that the reference line formation to extension is opened up along blade of the trailing edge first straight line section (24a).
4. wind generator set blade (10) according to claim 1 or 2, it is characterised in that the tip vane leading edge
(23) a leading edge straight line (23c) is included, the tip vane trailing edge (24) includes a trailing edge straight line (24c), and meets
Following conditionals：
∣≤80 ° of 5 ° ≤ ∣ α 3,
∣≤75 ° of 5 ° ≤ ∣ β 3,
Wherein, α 3 represents the length direction along the blade (16) of the leading edge straight line (23c) and the blade leading edge (13)
The angle that the reference line of extension is formed, β 3 represent the trailing edge straight line (24c) and the blade trailing edge (14) along the blade
(16) angle that the reference line of length direction extension is formed.
5. wind generator set blade (10) according to claim 1 or 2, it is characterised in that the tip vane leading edge
(23) a leading edge full curve (23d) is included, the tip vane trailing edge (24) includes a trailing edge full curve (24d),
And meet following conditionals：
∣≤90 ° of 0 ° ≤ ∣ α 4,
0 90 ° of 4 ∣ ＜ of ° ≤ ∣ β,
Wherein, α 4 represents the tangent line of the leading edge full curve (23d) and the blade leading edge (13) along the blade (16)
Length direction extension the angle that is formed of reference line, β 4 represents the tangent line of the trailing edge full curve (24d) and the blade
Trailing edge (14) along the blade (16) length direction extend reference line formed angle, and α 4 and β 4 along blade open up to
Consecutive variations.
6. wind generator set blade (10) according to claim 3, it is characterised in that the leading edge first straight line section
Between (23a) and the blade leading edge (13) and between the trailing edge first straight line section (24a) and the blade trailing edge (14),
Between the leading edge second straight line section (23b) and the leading edge first straight line section (23a) and the trailing edge second straight line section
It is continuously smooth transition between (24b) and the trailing edge first straight line section (24a).
7. wind generator set blade (10) according to claim 4, it is characterised in that the leading edge straight line (23c) with
It is continuously smooth mistake between the blade leading edge (13) and between the trailing edge straight line (24c) and the blade trailing edge (14)
Cross.
8. wind generator set blade (10) according to claim 5, it is characterised in that the leading edge full curve
Between (23d) and the blade leading edge (13) and between the trailing edge full curve (24d) and the blade trailing edge (14)
For continuously smooth transition.
9. wind generator set blade (10) according to claim 1, it is characterised in that the tip vane (20) and institute
It is continuously smooth transition to state between blade (16).
10. the wind generator set blade (10) according to claim 1 or 9, it is characterised in that the tip vane (20)
Aerofoil section it is corresponding with the section of the blade (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721034573.1U CN207064139U (en) | 2017-08-17 | 2017-08-17 | Wind generator set blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721034573.1U CN207064139U (en) | 2017-08-17 | 2017-08-17 | Wind generator set blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064139U true CN207064139U (en) | 2018-03-02 |
Family
ID=61516333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721034573.1U Active CN207064139U (en) | 2017-08-17 | 2017-08-17 | Wind generator set blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064139U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173391A (en) * | 2019-05-24 | 2019-08-27 | 上海电力学院 | A kind of Large marine Axis Wind Turbine With A Tip Vane fusion winglet and wind energy conversion system |
| CN114320732A (en) * | 2020-09-30 | 2022-04-12 | 江苏金风科技有限公司 | Blade, design method and wind generating set |
| WO2024141106A1 (en) * | 2022-12-30 | 2024-07-04 | 浙江金风科技有限公司 | Forward swept fan blade, design method and manufacturing method therefor and wind turbine |
-
2017
- 2017-08-17 CN CN201721034573.1U patent/CN207064139U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173391A (en) * | 2019-05-24 | 2019-08-27 | 上海电力学院 | A kind of Large marine Axis Wind Turbine With A Tip Vane fusion winglet and wind energy conversion system |
| CN114320732A (en) * | 2020-09-30 | 2022-04-12 | 江苏金风科技有限公司 | Blade, design method and wind generating set |
| CN114320732B (en) * | 2020-09-30 | 2023-12-15 | 江苏金风科技有限公司 | Blade, design method and wind generating set |
| WO2024141106A1 (en) * | 2022-12-30 | 2024-07-04 | 浙江金风科技有限公司 | Forward swept fan blade, design method and manufacturing method therefor and wind turbine |
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