CN206668464U - Blade and wind power generating set - Google Patents
Blade and wind power generating set Download PDFInfo
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- CN206668464U CN206668464U CN201720104149.3U CN201720104149U CN206668464U CN 206668464 U CN206668464 U CN 206668464U CN 201720104149 U CN201720104149 U CN 201720104149U CN 206668464 U CN206668464 U CN 206668464U
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- 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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Abstract
The utility model provides a kind of blade and wind power generating set, is related to technical field of wind power generation.Blade includes blade body, empennage and casing.Blade body has tip and butt.One end of empennage is connected on tip.Casing is set on butt.Empennage is bent, and the other end of empennage is folded to empennage vane pressure sidewall from empennage suction sidewall, or the other end of empennage is folded to empennage suction sidewall from empennage vane pressure sidewall.Casing also includes wing fence and multiple spoilers, and wing fence is set in blade body and is set in close to the side of butt, multiple spoiler compartment of terrains in tank pressure side wall and casing suction sidewall.Blade reduces the resistance that blade is subject to, improves the utilization ratio caught wind energy power, improve to wind energy of blade surface, can effectively improve the generating capacity of unit by setting empennage and casing.
Description
Technical field
Technical field of wind power generation is the utility model is related to, in particular to a kind of blade and wind power generating set.
Background technology
At present, worldwide non-renewable energy resources tend to be exhausted, and are polluted caused by burning petroleum and coal
Jeopardize the existence of the mankind, the utilization 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 rise to 1999 26.8 ten thousand kilowatts in year, to China Wind Power capacity of installed generator in 2010 more than 5,000,000 thousand
Watt, China just turns into one of most flourishing country of wind-power electricity generation in the world.
The low wind speed region wind-power electricity generation in China has stepped into the large-scale development stage, but how to improve low wind speed regional generation
Efficiency, it is always a problem.The strategy generally taken in the market is lengthened blades, increase rotor diameter and uses 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, and some part dimensions and weight also can
Increase therewith, thus also result in cost increase, transport difficult, influence a series of problems, such as 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 shows 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 power output of blower fan.But blade is just
In normal operation process, the resistance that blade tip and blade root are subject to is larger, reduces the utilization ratio of wind energy.
Utility model content
The purpose of this utility model is to provide a kind of blade and wind power generating set, and it is intended at least partly to solve existing
Low wind speed generating set, the technical problem that resistance that blade is subject to is larger, wind energy utilization efficiency is low.
The first technical scheme provided by the utility model：A kind of blade includes blade body, empennage and casing；The leaf
Piece main body has tip and butt；One end of the empennage is connected on the tip；The casing is set on the butt；
The blade body includes blade pressure side wall and the vane suction sidewall being oppositely arranged, and the empennage includes relative
The empennage vane pressure sidewall and empennage suction sidewall of setting, the casing include tank pressure side wall and the casing suction being oppositely arranged
Side wall, the blade pressure side wall, empennage vane pressure sidewall connection, the vane suction sidewall, the empennage suction sidewall
Connection, the tank pressure side wall are covered in the blade pressure side wall, and the casing suction sidewall is covered in the blade and inhaled
Power side wall；
The empennage is bent, and the other end of the empennage is folded to the empennage on the pressure side from the empennage suction sidewall
Wall, or the other end of the empennage are folded to the empennage suction sidewall from the empennage vane pressure sidewall；
The casing also includes wing fence and multiple spoilers, and the wing fence is set in the blade body close to the butt
Side, multiple spoiler compartment of terrains are set in the tank pressure side wall and the casing suction sidewall.
Further, the table of the wing fence and the curved harden structure of the spoiler, the wing fence and the spoiler
Face is convex to the tip.
Further, the casing also includes end plate；Before the leading edge of the tank pressure side wall, the blade body
Edge, the leading edge of the casing suction sidewall are sequentially connected and seamlessly transitted, trailing edge and the casing of the tank pressure side wall
The trailing edge of suction sidewall passes through the end plate connection.
Further, the casing also includes trailing edge portion；The trailing edge portion is arranged on the end plate away from the casing pressure
The side of power side wall and the casing suction sidewall；The trailing edge portion is along the tank pressure side wall and the casing suction sidewall
Length direction extension.
Further, the section in the trailing edge portion is in the shape of the letter V shape；The tip in the trailing edge portion is away from the tank pressure side
Wall and the casing suction sidewall.
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, the tank pressure side wall, the blade pressure side wall, the empennage vane pressure sidewall, the casing
Suction sidewall, the vane suction sidewall, the outer surface of the empennage suction sidewall seamlessly transit.
Further, the empennage also includes empennage web；The empennage web be arranged on the empennage vane pressure sidewall and
The inner side of the empennage suction sidewall.
Further, the cavity that the tank pressure side wall and the casing suction sidewall are surrounded, its area of section from
The butt to the sophisticated direction tapers into.
Second of technical scheme provided by the utility model：A kind of wind power generating set, including wheel hub, cabin and pylon,
The cabin is installed on the pylon, and the wheel hub is installed on the cabin, and the wind power generating set also includes above-mentioned blade,
The blade is installed on the wheel hub.
The beneficial effect of blade provided by the utility model and wind power generating set is：
First, empennage is connected on the tip of blade body, empennage is bent, and the other end of empennage is inhaled from the empennage
Power side wall is folded to the empennage vane pressure sidewall, or the other end of the empennage is folded to the empennage from the empennage vane pressure sidewall
Suction sidewall, this shape of empennage can weaken generation and development that blade is vortexed at blade tip, improve the pneumatic property of blade
Energy.Secondly, casing is arranged on the butt of blade body, casing includes wing fence, and wing fence can stop to be vortexed caused by wheel hub,
Vortex of the blade at blade root is reduced, mitigates the resistance being subject in blade rotation process.Again, casing also includes trailing edge portion, gas
Stream when flowing through casing trailing edge direction, can trailing edge portion smoothly through, weaken at trailing edge portion formed vortex.Most
Afterwards, casing also includes multiple spoilers, and multiple spoilers, which are arranged at intervals, can increase adsorption capacity of the air-flow in tank surface, together
When can block from blade axial direction air-flow, make axial flow change direction and be converted into promote blade rotation lift, and
And during spoiler rotates with casing, the formation being vortexed at the trailing edge of casing can be disturbed, increase the lift of blade, reduce
The resistance of blade, improve utilization ratio of the blade to wind energy.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the first viewing angle constructions schematic diagram of the blade that the utility model first embodiment provides.
Fig. 2 is the second viewing angle constructions schematic diagram of Fig. 1 blade.
Fig. 3 is the structural representation of Fig. 1 empennage.
Fig. 4 is the structural representation of Fig. 1 casing.
Icon：100- blades；200- blade pressure surfaces；300- blade suction surfaces；400- trailing edges；Before 500- blades
Edge；110- blade bodies；111- tips；112- butts；120- empennages；121- empennage vane pressure sidewalls；122- empennage suction sidewalls；
123- empennage webs；130- casings；131- tank pressure side walls；132- casing suction sidewalls；133- wing fences；134- spoilers；
135- end plates；136- trailing edges portion.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In description of the present utility model, it is to be understood that the orientation of the instruction such as term " on ", " under ", " interior ", " outer "
Or position relationship be based on orientation shown in the drawings or position relationship, or the utility model product using when usually put
Orientation or position relationship, or the orientation that usually understands of those skilled in the art or position relationship, are for only for ease of description
The utility model and simplified description, rather than indicate or imply that signified equipment or element must be with specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through
It is indirectly connected, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Inventor has found that under normal conditions, during blade working, the air-flow of blade surface can form attachment nothing well
Separation flowing, it is relatively thin in the region in the boundary layer of blade and trailing edge, by factors such as attack angle of blade, vane airfoil profile and thickness
Influence, air-flow in front of the blade edge nearby different degrees of released state, the degree meeting that air-flow separates with blade just occurs
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
The increase of row resistance, reduce utilization ratio of the unit to wind energy.Blade provided by the utility model is by setting empennage and casing energy
It is enough effectively to obstruct the generation being vortexed on blade.
First embodiment
Fig. 1 is the first viewing angle constructions schematic diagram of the blade 100 that the utility model first embodiment provides, and refers to Fig. 1.
It should be noted that reference with the arrow in all accompanying drawings refers to surface or edge, reference not with the arrow refers to
Entity.
Present embodiments provide a kind of blade 100.Blade 100 includes blade body 110, empennage 120 and casing 130.Leaf
Piece main body 110 has tip 111 and butt 112.One end of empennage 120 is connected on tip 111.Casing 130 is set in butt
On 112.Empennage 120 is equivalent to the blade tip of blade 100, blade root of the butt 112 equivalent to blade 100.
Blade body 110 includes the blade pressure side wall (not marked in figure) being oppositely arranged and vane suction sidewall (in figure
Do not mark), empennage 120, which includes the empennage vane pressure sidewall 121 (refer to Fig. 3) being oppositely arranged and empennage suction sidewall 122, (please join
According to Fig. 3), casing 130, which includes the tank pressure side wall 131 (refer to Fig. 4) being oppositely arranged and casing suction sidewall 132, (please join
According to Fig. 4).Tank pressure side wall 131, blade pressure side wall, empennage vane pressure sidewall 121, casing suction sidewall 132, blade suction
Side wall, the outer surface of empennage suction sidewall 122 seamlessly transit.The profile of blade body 110 can use NACA, and (American National is navigated
Empty Advisory Board) series aerofoil sections or self-defined series aerofoil sections, the length of blade 100 is preferably designed for 37 meters to 80 meters.
Blade pressure side wall, empennage vane pressure sidewall 121 connect, and tank pressure side wall 131 (is not shown by casing floor in figure
Go out) it is covered in the outside of blade pressure side wall.Tank pressure side wall 131, blade pressure side wall, empennage vane pressure sidewall 121 it is outer
Surface merging forms blade pressure surface 200 (pressure side, PS faces), also referred to as windward side.
Vane suction sidewall, empennage suction sidewall 122 connect, and casing suction sidewall 132 (is not shown by casing floor in figure
Go out) it is covered in the outside of vane suction sidewall.Casing suction sidewall 132, vane suction sidewall, empennage suction sidewall 122 it is outer
Surface merging forms blade suction surface 300 (suction side, SS faces), also referred to as lee face.
Empennage 120 is bent, and the other end of empennage 120 is folded to empennage vane pressure sidewall 121 from empennage suction sidewall 122,
Or the other end of empennage 120 is folded to empennage suction sidewall 122 from empennage vane pressure sidewall 121.The wrap direction of empennage 120 depends on
In the distance between the tip 111 of blade 100 and pylon, wanted if sophisticated the distance between 111 and pylon are unsatisfactory for security
Ask, then using the form that empennage vane pressure sidewall 121 is folded to from empennage suction sidewall 122, empennage 120 is backwards to pylon；It is if sophisticated
The distance between 111 and pylon meet security requirement, then are folded to empennage suction sidewall 122 using from empennage vane pressure sidewall 121
Form, empennage 120 is towards pylon.In the present embodiment, the other end of empennage 120 is folded to empennage pressure from empennage suction sidewall 122
Power side wall 121.On the whole, blade 100 has aerodynamic configuration.
Fig. 2 is the second viewing angle constructions schematic diagram of Fig. 1 blade 100, refers to Fig. 2.
The larger edge of flexibility is trailing edge 400 on blade 100, and more straight edge is blade inlet edge 500.Blade
Leading edge 500 is spliced by the leading edge of the leading edge of casing 130, the leading edge of blade body 110 and empennage 120.Trailing edge 400
It is spliced by the trailing edge of the trailing edge of casing 130, the trailing edge of blade body 110 and empennage 120.Blade inlet edge 500 and blade
It is then the blade pressure surface 200 and blade suction surface 300 (refer to Fig. 1) being oppositely arranged between trailing edge 400.
Fig. 3 is the structural representation of Fig. 1 empennage 120, refers to Fig. 3.
Empennage 120 includes empennage vane pressure sidewall 121, empennage suction sidewall 122 and empennage web 123.Empennage suction sidewall
122 outer surface is empennage suction surface.The outer surface of empennage vane pressure sidewall 121 is empennage pressure face.Empennage web 123 is arranged on
The inner side of empennage vane pressure sidewall 121 and empennage suction sidewall 122, i.e. empennage web 123 are supported on empennage vane pressure sidewall 121 and tail
Between wing suction sidewall 122, play support and cementation, at the same empennage vane pressure sidewall 121 and empennage suction sidewall 122 it
Between form a space.
The length of empennage 120 is preferably 0.7 meter to 2 meters, and the width of empennage 120 is preferably 0.6 meter to 1 meter, empennage 120
Bending angle size preferred scope is 90 ° to 135 °.
Blade 100 is in rotary course, the tip segment of blade 100, because velocity of rotation is very fast, it is easy to produce whirlpool
Stream.Empennage 120 is bent, is advantageous to suppress the generation and development of blade tip vortex, improves the aeroperformance of blade 100.
Fig. 4 is the structural representation of Fig. 1 casing 130, refers to Fig. 4.
Casing 130 includes tank pressure side wall 131, casing suction sidewall 132, wing fence 133, multiple spoilers 134, end plate
135th, trailing edge portion 136 and casing floor (not shown).
The leading edge of tank pressure side wall 131 is connected with the leading edge of blade body 110, the leading edge of casing suction sidewall 132
It is connected with the leading edge of blade body 110, the leading edge of tank pressure side wall 131, the leading edge of blade body 110, casing suction sidewall
132 leading edge is sequentially connected and seamlessly transitted.The trailing edge of tank pressure side wall 131 and the trailing edge of casing suction sidewall 132 pass through
End plate 135 connects.The trailing edge of casing 130 is blocked by end plate 135.
The cavity that tank pressure side wall 131 is surrounded with casing suction sidewall 132, its area of section is from butt 112 to point
The direction at end 111 tapers into.So, the profile of casing 130 is made to be constructed with type, while its outer surface can be effectively improved air-flow
Flow condition.
End plate 135 makes casing trailing edge have one fixed width, plays a part of lengthening and widening equivalent to casing trailing edge, from
And increase effective wind area of blade 100, the loss in efficiency at trailing edge 400 is reduced, and can effectively guide air-flow
Smoothly pass, mitigate the vortex formed in casing rear edge part, end plate 135 can play a part of supporting and reinforce.
Trailing edge portion 136 is arranged on side of the end plate 135 away from tank pressure side wall 131 and casing suction sidewall 132.Trailing edge
Portion 136 extends along the length direction of tank pressure side wall 131 and casing suction sidewall 132.The section in trailing edge portion 136 is in the shape of the letter V
Shape.The tip in trailing edge portion 136 is away from tank pressure side wall 131 and casing suction sidewall 132.Increase in the outer surface of casing 130
Trailing edge portion 136 and spoiler 134, aerodynamic configuration is thus formed at the blade root of blade 100.Trailing edge portion 136 is by casing suction
Side wall 132 is tilted to tank pressure side wall 131, and air-flow is being flowed through at casing trailing edge, can trailing edge portion 136 smoothly through,
Weaken the vortex formed at trailing edge portion 136.
Wing fence 133 is set in close to the side of butt 112 on blade body 110, and the distance apart from butt 112 is preferably 2
Rice is to 4 meters.Wing fence 133 is installed with tank pressure side wall 131 and casing suction sidewall 132 with type.Wing fence 133 is curved hardened
Structure, the surface of wing fence 133 are convex to the direction of tip 111 of blade body 110.In the rotary course of blade 100, wing fence 133 revolves therewith
Turn, the vortex formed to a certain extent to wheel hub direction plays barrier effect, reduces the turbulent flow of blade root tail end, alleviates to leaf
The resistance that piece 100 rotates.
Multiple compartment of terrains of spoiler 134 are set in tank pressure side wall 131 and casing suction sidewall 132.Spoiler 134
Installed with tank pressure side wall 131 and casing suction sidewall 132 with type.The profile of spoiler 134 and the profile phase of wing fence 133
Seemingly, the curved harden structure of spoiler 134, the surface of spoiler 134 are convex to the direction of tip 111 of blade body 110.It is multiple
Spoiler 134, by the surface segmentation of casing 130 into several regions, adsorption capacity of the air-flow on the surface of casing 130 can be increased,
The air-flow from the axial direction of blade 100 can be blocked simultaneously, axial flow is changed direction, switched to the lift that promotion blade 100 rotates.
During spoiler 134 rotates with casing 130, additionally it is possible to obstruct the formation being vortexed at casing trailing edge, increase blade 100 rotates
Lift, reduce the resistance that blade 100 rotates, improve blade 100 to the utilization ratio of wind energy.
Multiple casing floors are set in parallel in the inner side of tank pressure side wall 131 and casing suction sidewall 132, to casing
130 form internal support, form a cavity, and are installed with tank pressure side wall 131 and casing suction sidewall 132 with type.It is more
Individual casing floor serves the booster action in structure, avoids to occur fatigue in running in the root of blade 100, opens
The phenomenon split, apply to low wind speed region, MW class, big blade Wind turbines, can effectively lift its generated energy.
Blade 100 is during rotation, although the blade root velocity of rotation of blade 100 is not high, due to root diameter (RD) compared with
Greatly, the flow velocity of air-flow is also larger, simultaneously because the rotation of wheel hub, under confounding factor effect, drop can be also produced in leaf root part
The vortex of low blower fan service efficiency.Structure as casing 130 can effectively suppress the generation of leaf root part vortex.
In addition, the blade 100 that the present embodiment provides can be filled out by priming by vacuum, laminating, structure gluing knot, putty
The production technology such as fill, polish to prepare.
Empennage 120 in the present embodiment can adjust the air-flow by blade tip flow field, be effectively reduced air at blade tip and hinder
Power, suppress the generation of flow-disturbing and whirlpool at blade tip, energy loss at blade tip is reduced, so as to improve the power output of original unit.
Casing 130 in the present embodiment can be effectively improved the flow condition of air-flow at blade root, suppress the production of flow-disturbing and whirlpool at blade root
It is raw, energy loss at blade root is reduced, improves the power output of original unit.
The blade 100 that the present embodiment provides is not only simple in structure, cost is relatively low, and according to wind field wind-resources characteristic, leaf
Piece aerodynamic characteristic and unit performance characteristic, on the premise of overall design load safety, Strength Safety is met, by setting tail
The wing 120 and casing 130, the resistance that blade 100 is subject to is reduced, improve the surface of blade 100 catches wind energy power, improves to wind
The utilization ratio of energy, the generating capacity of unit can be effectively improved.
Second embodiment
The present embodiment provides a kind of wind power generating set.Wind power generating set includes wheel hub, cabin, pylon and first and implemented
The blade 100 that example provides.Cabin is installed on pylon, and wheel hub is installed on cabin, and blade 100 is installed on wheel hub.
To ensure the security of wind power generating set and validity, calculating school is carried out to Wind turbines complete machine and blade
Core.Checking content includes：Blade loading and intensity, each draw bail intensity (containing bolt), blade frequencies, the major structural member of complete 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.Calculating and school more than
Core, it can be ensured that the security and validity of the wind power generating set.
The wind power generating set that the present embodiment provides can be used as low wind speed region, MW class, big blade Wind turbines, especially
It is power in more than 1.5MW, while unit of the impeller diameter more than 77 meters, can effectively improve the generating capacity of unit.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, for this area
Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model,
Any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of blade, it is characterised in that the blade includes blade body, empennage and casing；The blade body has point
End and butt；One end of the empennage is connected on the tip；The casing is set on the butt；
The blade body includes blade pressure side wall and the vane suction sidewall being oppositely arranged, and the empennage includes being oppositely arranged
Empennage vane pressure sidewall and empennage suction sidewall, the casing include the tank pressure side wall and casing suction side that are oppositely arranged
Wall, the blade pressure side wall, empennage vane pressure sidewall connection, the vane suction sidewall, the empennage suction sidewall connect
Connect, the tank pressure side wall is covered in the blade pressure side wall, and the casing suction sidewall is covered in the blade suction
Side wall；
The empennage is bent, and the other end of the empennage is folded to the empennage vane pressure sidewall from the empennage suction sidewall,
Or the other end of the empennage is folded to the empennage suction sidewall from the empennage vane pressure sidewall；
The casing also includes wing fence and multiple spoilers, and the wing fence is set in the blade body close to the one of the butt
Side, multiple spoiler compartment of terrains are set in the tank pressure side wall and the casing suction sidewall.
2. blade according to claim 1, it is characterised in that the wing fence and the curved harden structure of the spoiler,
The surface of the wing fence and the spoiler is convex to the tip.
3. blade according to claim 1, it is characterised in that the casing also includes end plate；The tank pressure side wall
Leading edge, the leading edge of the blade body, the leading edge of the casing suction sidewall be sequentially connected and seamlessly transit, the casing pressure
The trailing edge of power side wall and the trailing edge of the casing suction sidewall pass through the end plate connection.
4. blade according to claim 3, it is characterised in that the casing also includes trailing edge portion；The trailing edge portion is set
In side of the end plate away from the tank pressure side wall and the casing suction sidewall；The trailing edge portion is along the casing pressure
The length direction of power side wall and the casing suction sidewall extends.
5. blade according to claim 4, it is characterised in that the section in the trailing edge portion is in the shape of the letter V shape；The trailing edge portion
Tip away from the tank pressure side wall and the casing suction sidewall.
6. blade according to claim 1, it is characterised in that the casing also includes multiple casing floors；The casing
Floor is disposed on the inner side of the tank pressure side wall and the casing suction sidewall.
7. blade according to claim 1, it is characterised in that the tank pressure side wall, the blade pressure side wall, institute
It is flat to state empennage vane pressure sidewall, the casing suction sidewall, the vane suction sidewall, the outer surface of the empennage suction sidewall
Slip over and cross.
8. blade according to claim 1, it is characterised in that the empennage also includes empennage web；The empennage web
It is arranged on the inner side of the empennage vane pressure sidewall and the empennage suction sidewall.
9. blade according to claim 1, it is characterised in that the tank pressure side wall and the casing suction sidewall institute
The cavity surrounded, its area of section taper into from the butt to the sophisticated direction.
10. a kind of wind power generating set, including wheel hub, cabin and pylon, the cabin is installed on the pylon, the wheel hub peace
Loaded on the cabin, it is characterised in that the wind power generating set also includes the blade described in any one of claim 1 to 9, institute
State blade and be installed on the wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720104149.3U CN206668464U (en) | 2017-01-25 | 2017-01-25 | Blade and wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720104149.3U CN206668464U (en) | 2017-01-25 | 2017-01-25 | Blade and wind power generating set |
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| Publication Number | Publication Date |
|---|---|
| CN206668464U true CN206668464U (en) | 2017-11-24 |
Family
ID=60378019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720104149.3U Active CN206668464U (en) | 2017-01-25 | 2017-01-25 | Blade and wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206668464U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061142A (en) * | 2017-01-25 | 2017-08-18 | 北京博比风电科技有限公司 | Blade and wind power generating set |
| CN109209948A (en) * | 2018-10-23 | 2019-01-15 | 温岭德诺机电设备有限公司 | A kind of novel flabellum of Industrial fan |
-
2017
- 2017-01-25 CN CN201720104149.3U patent/CN206668464U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061142A (en) * | 2017-01-25 | 2017-08-18 | 北京博比风电科技有限公司 | Blade and wind power generating set |
| CN109209948A (en) * | 2018-10-23 | 2019-01-15 | 温岭德诺机电设备有限公司 | A kind of novel flabellum of Industrial fan |
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