CN106545465A - Postpone to separate trailing edge blade - Google Patents
Postpone to separate trailing edge blade Download PDFInfo
- Publication number
- CN106545465A CN106545465A CN201710061023.7A CN201710061023A CN106545465A CN 106545465 A CN106545465 A CN 106545465A CN 201710061023 A CN201710061023 A CN 201710061023A CN 106545465 A CN106545465 A CN 106545465A
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- Prior art keywords
- blade
- casing
- trailing edge
- side wall
- separate
- 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
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- 238000000926 separation method Methods 0.000 claims abstract description 11
- 238000010248 power generation Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000003313 weakening effect Effects 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
- 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
- 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
- F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
- F03D1/0641—Rotors characterised by their aerodynamic shape of the blades of the section profile of the blades, i.e. aerofoil profile
-
- 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
Abstract
The invention provides a kind of postpone to separate trailing edge blade, it is related to technical field of wind power generation.Postponing separation trailing edge blade includes blade body, casing and postpones to separate trailing edge.Blade body has tip, butt, leading edge and trailing edge.Casing is set on butt.Casing also includes wing fence and end plate, and wing fence is set in blade body near the side of butt, and end plate is arranged between tank pressure side wall and casing suction sidewall, postpones separation trailing edge and is connected to end sheet surface.Blade reduces the resistance that blade is subject to by arranging casing and postponing to separate trailing edge, and improve blade surface catches wind energy power, improves the utilization ratio to wind energy, can effectively improve the generating capacity of unit.
Description
Technical field
The present invention relates to technical field of wind power generation, postpones to separate trailing edge blade in particular to a kind of.
Background technology
At present, worldwide non-renewable energy resources tend to exhausted, and the pollution that burning petroleum and coal are caused is
Jeopardize the existence of the mankind, the exploitation of green energy resource are increasingly paid attention to by every country.Wind power industry is at present
State has had begun to large-scale expansion.In past 10 years, China Wind Power generates electricity and is rapidly developed, and installed capacity is from 1990
20,000 kilowatts of year rise to 26.8 ten thousand kilowatts in 1999, to China Wind Power capacity of installed generator in 2010 more than 5,000,000 thousand
Watt, China is just becoming one of most flourishing country of wind-power electricity generation in the world.
The low wind speed region wind-power electricity generation of China has been stepped into the large-scale development stage, but how to improve low wind speed regional generation
Efficiency, an always individual difficult problem.The strategy generally taken in the market is lengthened blades, increase rotor diameter and adopts increase
The mode of tower height, these methods can obtain higher wind energy to a certain extent, improve the generating energy of wind power generating set
Power.But lengthened blades, increase tower height will certainly increase the weight of wind power generating set, some part dimensions and weight also can
Increase therewith, a series of problems, such as thus also resulting in cost increase, transport difficult, affect unit safety.
The blade of wind power generating set is the critical component that wind power equipment converts wind energy into mechanical energy, and its manufacturing cost is about
Account for the 15% to 30% of wind power generating set totle drilling cost.Blade is typically based on Design of Aerodynamic Configuration and presents peculiar aerofoil profile, should
The lift-drag ratio of the blade of aerofoil profile is more big more can improve blower fan catch wind efficiency, and then improves the output of blower fan.But blade is just
Often in operation process, the resistance that blade tip and blade root are subject to is larger, reduces the utilization ratio of wind energy.
The content of the invention
It is an object of the invention to provide a kind of postpone to separate trailing edge blade, which is intended at least partly solve existing low wind speed
Generating set, the resistance that blade is subject to is larger, the technical problem that wind energy utilization efficiency is low.
The technical scheme that the present invention is provided：A kind of separation trailing edge blade that postpones includes blade body, casing and postpones to separate
Trailing edge；The blade body has tip, butt, leading edge and trailing edge；The casing is set on the butt；The casing tool
There is end plate；The separation trailing edge that postpones is connected to the end sheet surface；
The blade body includes the blade pressure side wall being oppositely arranged and vane suction sidewall, and the casing includes relatively
The tank pressure side wall and casing suction sidewall of setting, tank pressure side wall are covered in blade pressure side wall, described
Casing suction sidewall is covered in the vane suction sidewall；
The casing also includes wing fence, and the wing fence is set in the blade body near the side of the butt.
Further, the curved hardened structure of the wing fence, the wing fence surface is convex to the tip.
Further, the casing also includes end plate；Before the leading edge of tank pressure side wall, the blade body
Edge, the leading edge of the casing suction sidewall are sequentially connected and seamlessly transit, trailing edge and the casing of tank pressure side wall
The trailing edge of suction sidewall passes through the end plate connection.
Further, the casing also includes multiple casing floors；The casing floor is disposed on the casing pressure
The inner side of power side wall and the casing suction sidewall.
Further, tank pressure side wall, blade pressure side wall, the casing suction sidewall, the blade
The outer surface of suction sidewall is seamlessly transitted.
Further, the cavity surrounded with the end plate by tank pressure side wall, the casing suction sidewall, its section
Face area is tapered into from the butt to the direction at the tip.
Further, the separation trailing edge that postpones is arranged on the end plate away from tank pressure side wall and the casing
The side of suction sidewall；It is described to postpone to separate trailing edge along tank pressure side wall and the length direction of the casing suction sidewall
Extend.
Further, the section for postponing to separate trailing edge is in the shape of the letter V shape；It is described to postpone to separate the tip of trailing edge away from institute
State tank pressure side wall and the casing suction sidewall.
The delay that the present invention is provided separates the beneficial effect of trailing edge blade：
First, casing is arranged on the butt of blade body, casing includes wing fence, and wing fence can stop
Raw vortex, the resistance being subject in mitigating blade rotation process.The setting of casing can increase wind-engaging of the blade on butt surface
Area, improves absorbability of the air-flow on butt surface, catches wind energy power so as to increase blade.Secondly, in the end plate table of casing
Face arranges and postpones to separate trailing edge, and air-flow can postpone to separate at trailing edge smoothly through cutting when casing trailing edge direction is flowed through
The weak vortex formed at casing trailing edge, can increase the lift of blade, reduce the resistance of blade, improve blade to wind energy
Utilization ratio.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by to be used attached needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is that the first viewing angle constructions of the butt part for postponing and separating trailing edge blade provided in an embodiment of the present invention are illustrated
Figure.
Second viewing angle constructions schematic diagrams of the Fig. 2 for the butt part of the delay separation trailing edge blade of Fig. 1.
Structural representations of the Fig. 3 for the blade body of Fig. 1, Fig. 2.
Icon：100- postpones to separate trailing edge blade；200- blade suction surfaces；300- trailing edges；400- blade inlet edges；
110- blade bodies；111- butts；112- is sophisticated；120- casings；121- tank pressures side wall；122- casing suction sidewalls；
123- wing fences；124- end plates；130- postpones to separate trailing edge.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Present invention enforcement generally described and illustrated in accompanying drawing herein
The component of example can be arranged and be designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment obtained under the premise of creative work is not made by technical staff, belongs to the model of present invention protection
Enclose.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then in subsequent accompanying drawing which further need not be defined and is explained.
In describing the invention, it is to be understood that term " on ", D score, " interior ", the orientation of the instruction such as " outward " or position
The relation of putting be based on orientation shown in the drawings or position relationship, or the invention product using when the orientation usually put or position
Put relation, or the orientation that usually understands of those skilled in the art or position relationship, be for only for ease of the description present invention and
Simplify description, rather than indicate or imply that the equipment or element of indication must be with specific orientation, with specific azimuth configuration
And operation, therefore be not considered as limiting the invention.
Additionally, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or one
The connection of body ground；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to indirect by intermediary
It is connected, can is the connection of two element internals.For the ordinary skill in the art, can be with concrete condition understanding
State term concrete meaning in the present invention.
Inventor has found that, under normal conditions, during blade working, the air-flow of blade surface can form attachment nothing well
Separated flow, it is relatively thin in the region of the boundary region of blade and trailing edge, by factors such as attack angle of blade, vane airfoil profile and thickness
Impact, just there is different degrees of released state, air-flow degree meeting detached with blade generation near edge in front of the blade in air-flow
Increase with the increase of the angle of attack, the air-flow of Disengagement zone can form larger vortex because aerofoil profile effect is lost, and transport blade
Row resistance increases, and reduces utilization ratio of the unit to wind energy.The delay that the present invention is provided separates trailing edge blade by arranging casing
Trailing edge is separated with delay, the generation being vortexed on blade can be effectively obstructed.
Fig. 1 is that the first viewing angle constructions of the butt part for postponing and separating trailing edge blade 100 provided in an embodiment of the present invention show
It is intended to, refers to Fig. 1.It should be noted that the reference with arrow refers to surface or edge in all accompanying drawings, not with arrow
Reference refer to entity.
Present embodiments provide a kind of delay and separate trailing edge blade 100.Blade 100 includes blade body 110, casing 120
Trailing edge 130 is separated with delay.Blade body 110 has butt 111 and sophisticated 112 (referring to Fig. 3).Casing 120 is set in root
On end 111.Casing 120 has end plate 124, postpones separation trailing edge 130 and is connected to 124 surface of end plate.On the whole, postpone to separate tail
Edge blade 100 has aerodynamic configuration.
Fig. 2 is the second viewing angle constructions schematic diagram of the butt part of the delay separation trailing edge blade of Fig. 1, refers to Fig. 2.
Tank pressure side wall 121, casing suction sidewall 122 that casing 120 includes being oppositely arranged, wing fence 123, end plate 124
With casing floor (not shown).
The edge for postponing to separate narrower side on trailing edge blade 100 is trailing edge 300, and the edge of wider side is blade
Leading edge 400.Blade inlet edge 400 is spliced by the leading edge of the leading edge and blade body 110 of casing 120.Trailing edge 300 is by case
The trailing edge of the trailing edge and blade body 110 of body 120 is spliced.It is then relative setting between blade inlet edge 300 and trailing edge 400
The blade pressure surface (not shown) put and blade suction surface 200.
Tank pressure side wall 121 is covered in the outside of blade pressure side wall 113 (referring to Fig. 3) by casing floor.Case
Body vane pressure sidewall 121, the outer surface of blade pressure side wall 113 are spliced to form blade pressure surface (not shown) (pressure
Side, PS face), also referred to as windward side.
Casing suction sidewall 122 is covered in the outside of vane suction sidewall 114 (referring to Fig. 3) by casing floor.Case
Body suction sidewall 122, the outer surface of vane suction sidewall 114 are spliced to form blade suction surface 200 (suction side, SS
Face), also referred to as lee face.
Tank pressure side wall 121, blade pressure side wall 113, casing suction sidewall 122, the appearance of vane suction sidewall 114
Face seamlessly transits.
The leading edge of tank pressure side wall 121 is connected with the leading edge of blade body 110, the leading edge of casing suction sidewall 122
It is connected with the leading edge of blade body 110, the leading edge of tank pressure side wall 121, the leading edge of blade body 110, casing suction sidewall
122 leading edge is sequentially connected and seamlessly transits.The trailing edge of tank pressure side wall 121 is passed through with the trailing edge of casing suction sidewall 122
End plate 124 connects.The trailing edge of casing 120 is blocked by end plate 124.
The cavity surrounded with end plate 124 by tank pressure side wall 121, casing suction sidewall 122, its area of section is from butt
111 taper into the direction of sophisticated 112 (referring to Fig. 3).So, the profile of casing 120 is made to construct with type, while its appearance
Face can be effectively improved the flow condition of air-flow, increase the absorbability of air-flow.
Wing fence 123 is set on the butt 111 of blade body 110.Wing fence 123 is inhaled with tank pressure side wall 121 and casing
Power side wall 122 is installed with type.The curved hardened structure of wing fence 123, the surface of wing fence 123 are convex to 112 side of tip of blade body 110
To.Postpone to separate in 100 rotary course of trailing edge blade, wing fence 123 is rotated with, and is formed wheel hub direction to a certain extent
Vortex plays barrier effect, alleviates to postponing to separate the resistance of 100 rotation of trailing edge blade.
End plate 124 makes casing trailing edge have one fixed width, plays a part of to lengthen and widen equivalent to casing trailing edge, from
And increase the effective wind area for postponing to separate trailing edge blade 100, the loss in efficiency at trailing edge 300 is reduced, and can
Effectively guiding air-flow is smoothly passed, and mitigates the vortex formed in casing rear edge part, and end plate 124 can play what is supported and reinforce
Effect.
Multiple casing floors are set in parallel in the inner side of tank pressure side wall 121 and casing suction sidewall 122, to casing
120 form internal support, form a cavity, and install with type with tank pressure side wall 121 and casing suction sidewall 122.It is many
Individual casing floor serves the booster action in structure, it is to avoid may postpone to separate the root of trailing edge blade 100 in running
There is fatigue, the phenomenon of cracking in portion, applies to low wind speed region, MW class, big blade Wind turbines, can effectively lift which
Electricity.
Postpone to separate trailing edge 130 end plate 124 is arranged on away from the one of tank pressure side wall 121 and casing suction sidewall 122
Side.Postpone to separate length direction extension of the trailing edge 130 along tank pressure side wall 121 and casing suction sidewall 122.Postpone to separate tail
The section of edge 130 is in the shape of the letter V shape.Postpone to separate the tip of trailing edge 130 away from tank pressure side wall 121 and casing suction sidewall
122.Arrange in the outer surface of casing 120 and postpone to separate trailing edge 130, thus at the blade root for postponing to separate trailing edge blade 100
Form aerodynamic configuration.Postpone separation trailing edge 130 to be inclined from casing suction sidewall 122 to tank pressure side wall 121, air-flow is being flowed through
During to casing trailing edge, can postpone separate trailing edge 130 at smoothly through, weaken at casing trailing edge formed vortex.
Postpone to separate trailing edge blade 100 during rotation, although the blade root for postponing to separate trailing edge blade 100 rotates speed
Degree is not high, but as root diameter (RD) is larger, the flow velocity of air-flow is also larger, simultaneously because the rotation of wheel hub, acts in confounding factor
Under, can also produce in leaf root part reduces the vortex of blower fan service efficiency.Casing 120 is set at blade root and postpones to separate trailing edge
Structure as 130 can effectively suppress the generation that leaf root part is vortexed, and lift the work efficiency for postponing to separate trailing edge blade, carry
High unit generation amount.On the whole, postpone to separate trailing edge blade 100 with aerodynamic configuration.
Fig. 3 is the structural representation of the blade body 110 of Fig. 1, Fig. 2, refers to Fig. 3.
Blade body 110 has butt 111 and tip 112.Blade body 110 also includes the blade pressure side being oppositely arranged
Wall 113 and vane suction sidewall 114.The profile of blade body 110 can adopt NACA (National Advisory Committee for Aeronautics) system
Row aerofoil profile or self-defined series aerofoil sections.
Additionally, the delay that the present embodiment is provided separates trailing edge blade 100 can pass through priming by vacuum, laminating, structure glue
It is prepared by the production technologies such as bonding, putty filling, polishing.
Casing 120 in the present embodiment can be effectively improved the flow condition of air-flow at blade root, suppress at blade root flow-disturbing and
The generation of whirlpool, reduces energy loss at blade root, while increasing the wind area for postponing to separate trailing edge blade, improves air-flow and is prolonging
The absorbability on 100 surface of separate blade, improves the output of original unit late.The delay arranged in the present embodiment separates tail
Edge 130, air-flow can postpone to separate at trailing edge 130 smoothly through weakening in casing when casing trailing edge direction is flowed through
The vortex formed at trailing edge, can increase the lift of blade, reduce the resistance of blade, improve utilization ratio of the blade to wind energy.
The delay separation trailing edge blade 100 that the present embodiment is provided is not only simple in structure, cost is relatively low, and according to wind field wind
Resource characteristicses, blade aerodynamic characteristic and unit performance characteristic, in the premise for meeting overall design load safety, Strength Safety
Under, by arranging casing 120 and postponing to separate trailing edge 130, the resistance for postponing to separate that trailing edge blade 100 is subject to is reduced, is improved
Postpone to separate 100 surface of trailing edge blade catches wind energy power, improves the utilization ratio to wind energy, can effectively improve unit
Generating capacity.
To guarantee safety and the effectiveness of wind power generating set, calculating school to be carried out to the whole machine of Wind turbines and blade
Core.Checking content includes：Blade loading and intensity, each draw bail intensity (containing bolt), blade frequencies, each big structure part of whole machine
Load and intensity, blade pitch device moment of torsion and intensity, bearing load and intensity, gear-box moment of torsion and intensity, generator torque and strong
Degree, tower load and intensity, given tensile load and bearing capacity, overall frequency, power curve and generated energy.Calculate and school by more than
Core, it can be ensured that the safety of the wind power generating set and effectiveness.
The delay that the present embodiment is provided separates trailing edge blade 100 and can be used for low wind speed region, MW class, big blade wind-powered electricity generation
Unit, especially power are in more than 1.5MW, while unit of the impeller diameter more than 77 meters, can effectively improve sending out for unit
Electric energy power.
The preferred embodiments of the present invention are these are only, the present invention is not limited to, for those skilled in the art
For member, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (8)
1. it is a kind of to postpone to separate trailing edge blade, it is characterised in that the blade includes blade body, casing and postpones to separate tail
Edge；The blade body has tip, butt, leading edge and trailing edge；The casing is set on the butt；The casing has
End plate；The separation trailing edge that postpones is connected to the end sheet surface；
The blade body includes the blade pressure side wall being oppositely arranged and vane suction sidewall, and the casing includes being oppositely arranged
Tank pressure side wall and casing suction sidewall, tank pressure side wall is covered in blade pressure side wall, the casing
Suction sidewall is covered in the vane suction sidewall.
2. it is according to claim 1 to postpone to separate trailing edge blade, it is characterised in that the casing also includes wing fence, described
Wing fence is set in the blade body near the side of the butt, the curved hardened structure of the wing fence, the surface of the wing fence
It is convex to the tip.
3. it is according to claim 1 to postpone to separate trailing edge blade, it is characterised in that the casing also includes end plate；It is described
The leading edge of tank pressure side wall, the leading edge of the blade body, the leading edge of the casing suction sidewall are sequentially connected and smoothed
Cross, the trailing edge of tank pressure side wall passes through the end plate connection with the trailing edge of the casing suction sidewall.
4. it is according to claim 1 to postpone to separate trailing edge blade, it is characterised in that the casing also includes multiple casing ribs
Plate；The casing floor is disposed on the inner side of tank pressure side wall and the casing suction sidewall.
5. it is according to claim 1 to postpone to separate trailing edge blade, it is characterised in that tank pressure side wall, the leaf
Piece vane pressure sidewall, the casing suction sidewall, the outer surface of the vane suction sidewall are seamlessly transitted.
6. it is according to claim 1 to postpone to separate trailing edge blade, it is characterised in that tank pressure side wall, the case
The cavity surrounded with the end plate by body suction sidewall, its area of section gradually become from the butt to the direction at the tip
It is little.
7. it is according to claim 1 to postpone to separate trailing edge blade, it is characterised in that the delay separates trailing edge and is arranged on institute
End plate is stated away from tank pressure side wall and the side of the casing suction sidewall；It is described to postpone to separate trailing edge along the casing
The length direction of vane pressure sidewall and the casing suction sidewall extends.
8. it is according to claim 1 to postpone to separate trailing edge blade, it is characterised in that the delay separates the section of trailing edge and is in
V-shape；It is described to postpone to separate the tip of trailing edge away from tank pressure side wall and the casing suction sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061023.7A CN106545465A (en) | 2017-01-25 | 2017-01-25 | Postpone to separate trailing edge blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061023.7A CN106545465A (en) | 2017-01-25 | 2017-01-25 | Postpone to separate trailing edge blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106545465A true CN106545465A (en) | 2017-03-29 |
Family
ID=58398757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710061023.7A Pending CN106545465A (en) | 2017-01-25 | 2017-01-25 | Postpone to separate trailing edge blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106545465A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2462307A (en) * | 2008-08-01 | 2010-02-03 | Vestas Wind Sys As | Extension portion for wind turbine blade |
| CN101711308A (en) * | 2006-04-13 | 2010-05-19 | 再生动力系统股份公司 | Rotor blade of a wind energy unit |
| CN102245894A (en) * | 2008-12-12 | 2011-11-16 | Lm玻璃纤维制品有限公司 | Wind turbine blade having a flow guiding device with optimised height |
| CN103629044A (en) * | 2013-12-18 | 2014-03-12 | 中国科学院工程热物理研究所 | Blade root structure of horizontal-axis wind turbine blade |
| US20160305398A1 (en) * | 2015-04-20 | 2016-10-20 | General Electric Company | Airflow configuration for a wind turbine rotor blade |
| CN205858578U (en) * | 2016-05-05 | 2017-01-04 | 北京博比风电科技有限公司 | A kind of R aerofoil profile root case blade construction design for promoting Wind turbines power |
| CN206487587U (en) * | 2017-01-25 | 2017-09-12 | 北京博比风电科技有限公司 | Delay separation trailing edge blade |
-
2017
- 2017-01-25 CN CN201710061023.7A patent/CN106545465A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101711308A (en) * | 2006-04-13 | 2010-05-19 | 再生动力系统股份公司 | Rotor blade of a wind energy unit |
| GB2462307A (en) * | 2008-08-01 | 2010-02-03 | Vestas Wind Sys As | Extension portion for wind turbine blade |
| CN102245894A (en) * | 2008-12-12 | 2011-11-16 | Lm玻璃纤维制品有限公司 | Wind turbine blade having a flow guiding device with optimised height |
| CN103629044A (en) * | 2013-12-18 | 2014-03-12 | 中国科学院工程热物理研究所 | Blade root structure of horizontal-axis wind turbine blade |
| US20160305398A1 (en) * | 2015-04-20 | 2016-10-20 | General Electric Company | Airflow configuration for a wind turbine rotor blade |
| CN205858578U (en) * | 2016-05-05 | 2017-01-04 | 北京博比风电科技有限公司 | A kind of R aerofoil profile root case blade construction design for promoting Wind turbines power |
| CN206487587U (en) * | 2017-01-25 | 2017-09-12 | 北京博比风电科技有限公司 | Delay separation trailing edge blade |
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Application publication date: 20170329 |