CN109973292A - Wind generator set blade, impeller and wind power generating set - Google Patents
Wind generator set blade, impeller and wind power generating set Download PDFInfo
- Publication number
- CN109973292A CN109973292A CN201910227760.9A CN201910227760A CN109973292A CN 109973292 A CN109973292 A CN 109973292A CN 201910227760 A CN201910227760 A CN 201910227760A CN 109973292 A CN109973292 A CN 109973292A
- Authority
- CN
- China
- Prior art keywords
- blade
- wind
- power generating
- wind power
- generating set
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 108010066278 cabin-4 Proteins 0.000 description 7
- 239000011521 glass Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process 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
- F03D1/0608—Rotors characterised by their aerodynamic shape
- F03D1/0625—Rotors characterised by their aerodynamic shape of the whole rotor, i.e. form features of the rotor unit
-
- 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
-
- 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
- F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
-
- 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
- F03D15/00—Transmission of mechanical power
-
- 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
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The present invention provides a kind of wind generator set blade, impeller and wind power generating sets.The wind generator set blade includes: blade root and blade tip, also, blade root uses truss structure.The leafy sharp wind power generating set of Stall Type provided by the invention can provide higher torque in the case where more leaflet wheel diameter.
Description
Technical field
The present invention relates to technical field of wind power generation, more particularly to a kind of wind generator set blade, impeller and wind-force
Generating set.
Background technique
As wind power technology is more and more mature and wind-resources are more and more nervous, the single-machine capacity of wind power generating set is increasingly
Height, impeller diameter is increasing, and traditional high-power wind-driven generator group is mostly based on three blade trunnion axis, and blade is also to pass
Based on the whole glass or carbon fiber girder of system.Therefore, with the increase of wind power generating set single-machine capacity and impeller diameter, tradition
Three blade horizontal axis wind-driven generator groups blade it is increasingly longer, difficulty of processing, production cost and the transportation cost of blade are all
It is substantially improved.Simultaneously as being designed using traditional whole glass, in order to guarantee the intensity of blade, the connection size of blade root
It is very big, improve the design cost of the impeller of wind power generating set.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of wind generator set blade, impeller and wind power generating set,
To provide higher torque in the case where more leaflet wheel diameter.
In order to solve the above technical problems, the present invention provides a kind of wind generator set blade, including blade root and blade tip, institute
Blade root is stated using truss structure.
In some embodiments, the blade root is detachably connected with the blade tip.
In some embodiments, the blade tip is integrally formed blade tip, and length is and described between 25 meters to 30 meters
Blade tip uses the configuration design of deliberate speed loss type.
In some embodiments, the truss structure includes: truss ontology, and is turned positioned at truss ontology both ends
Fishplate bar, the truss structure pass through the wheel hub for being bolted to the blade tip and wind power generating set on the pinboard.
In some embodiments, the length of the blade tip account for the 33.3% of the wind generator set blade total length to
37.5%.
In some embodiments, the width of the truss structure is less than the blade tip close to the width of the truss structure
Degree.
In addition, the present invention also provides a kind of wind power generating set impellers, comprising: wheel hub and connect with the wheel hub more
A blade, the blade are according to previously described wind generator set blade, and the number of the blade is 4 to 7.
In some embodiments, the blade and the wheel hub of wind power generating set are using detachably connecting without variation paddle structure
It connects.
In addition, the present invention also provides a kind of wind power generating sets, including according to previously described wind power generating set leaf
Wheel.
In some embodiments, further includes: tower, cabin, main shaft, gear set, generator, the cabin are placed in described
Tower top, the main shaft, the gear-box and the generator are placed in the engine room inside, and the main shaft is respectively connected to institute
The wheel hub of gear set and the wind power generating set is stated, the gear set is additionally coupled to the generator.
By adopting such a design, the present invention has at least the following advantages:
Higher torque can be provided in the case where more leaflet wheel diameter.
Detailed description of the invention
The above is merely an overview of the technical solutions of the present invention, in order to better understand the technical means of the present invention, below
In conjunction with attached drawing, the present invention is described in further detail with specific embodiment.
Fig. 1 is the surface structure schematic diagram of the leafy sharp wind power generating set of Stall Type of the present invention；
Figure 1A is the partial structurtes enlarged drawing of the leafy sharp wind power generating set of Stall Type of the present invention；
Fig. 2 is the modular construction setting figure of engine room inside of the present invention.
Description of symbols:
1 blade tip, 2 truss
2-1 pinboard 2-2 connection bolt
3 wheel hub, 4 cabin
5 tower, 6 air-cooled radiator
7 main shaft, 8 gear-box
9 generators
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
The present invention has broken traditional design concept of three vane propeller-changings away from wind-driven generator, and creative provides one kind
The design method of the high-power wind turbine unit of leafy point fix pitch HAWT, can be using the design scheme of the leafy point of Stall Type
More the case where leaflet wheel diameter is small to provide higher torque, simultaneously because using fix pitch HAWT control mode, without variable pitch
System, the cost and reliability of Wind turbines will further get a promotion, meanwhile, blade design uses glass blade tip combination truss
The design of blade, structure is simpler, and intensity is higher.
Referring to Fig. 1, wind power generating set provided by the invention includes multiple wind generator set blades.Each blade has
Wheel hub extends outwardly.Wind generator set blade includes: blade tip 1 and blade root 2.Blade tip 1 is integrally formed blade tip.Specifically, leaf
Point 1 is glass entirety blade tip.Blade root 2 uses truss structure.
Since wind generator set blade uses the structure that above-mentioned truss is combined with whole blade tip, impeller and blade
Compactness integrally reduce, significantly reduce the thrust load on impeller, it is thus possible to improve the whole of wind generator set blade
Body safety.
In addition, blade tip uses special configuration design, so that blade tip has the characteristics that deliberate speed loss in practical applications.
That is, if wind power generating set has reached specified generated output, even if wind speed further increases, Wind power propelling impeller
Generated power will not continue growing, and the output power of unit can be stablized near rated power.
Those of ordinary skill in the art are it should be appreciated that collectively constituted the leaf of wind power generating set by above-mentioned multiple blades
Wheel.Specifically, the blade root 2 of each blade is fixedly attached to wheel hub 3, and wheel hub 3 and each blade have collectively constituted impeller.It should
Impeller is connected to the gear-box 8 in cabin 4 by main shaft 7, by the operating of 8 pushing generator 9 of gear-box, completes wind
Power power generation process.
Specifically, the number of the blade of composition impeller is usually 4 to 7.
Figure 1A shows the partial enlarged view of truss structure Yu blade tip coupling part.Purlin referring to Figure 1A, in truss structure
Frame ontology is fixedly attached to blade tip 1 by pinboard 2-1 and bolt 2-2.It is above-mentioned by pinboard 2-1 and common group of bolt 2-2
At connection structure be dismountable connection structure.
Further, the width of truss structure should be less than the width of end blade tip 1 connected to it.That is, in purlin
The junction of frame structure and blade tip, the width of truss are less than the width of blade tip.
In addition, the length of blade tip 1 should be 25 meters to 30 meters, and the length of blade root 2 should be 50 meters.
In addition, it is removably to connect that connection between truss structure and wheel hub is same.Moreover, truss structure and wheel hub it
Between be detachably connected not include any mechanism that can be realized variable pitch.
Fig. 2 shows the internal parts of cabin 4.Referring to fig. 2, main shaft 7, gear-box 8 and power generation are disposed in cabin 4
Machine 9.Above-mentioned three kinds of components are sequentially connected, and are generated electricity by the rotation for the impeller for being kept fixed connection with main shaft 7.
Further, the outside of cabin 4 more specifically at the top of cabin 4, is also additionally provided with air-cooled radiator
6.Using air-cooled radiator 6, the radiating treatment to all parts being arranged in cabin 4 can be completed.
In the bottom of cabin, it is provided with the tower 5 for supporting cabin 4.Tower 5 should have certain height, so that
The impeller of wind power generating set when rotated, maintains a certain distance between the tip and ground of each blade of impeller.
Present invention employs the designs of the leafy point of truss-like, and the blade of traditional integral blade is replaced with truss structure,
It only remains and maximum tip segment is contributed to wind power generating set lift, the lift of unit is promoted by multiple blade tips, contract
Short impeller diameter improves the power of the assembling unit, reduces unit design cost.
Present invention employs the designs of the leafy point of truss-like, and the blade of traditional integral blade is replaced with truss structure,
The compactness of impeller is less, and the thrust load on impeller reduces, and the safety of unit increases.
Blade tip according to the present invention uses the design of efficient blade tip, and the design of aerodynamic configuration has the spy of deliberate speed loss
Point, after unit reaches rated power, with continuing growing for wind speed, due to special blade tip aerodynamic configuration, produced by impeller
Energy will not continue to increase, what the power of unit can be stable maintains near specified, without pitch-controlled system active adjust, drop
The low design cost of unit, while improving the reliability of unit.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, this
Field technical staff makes a little simple modification, equivalent variations or modification using the technology contents of the disclosure above, all falls within this hair
In bright protection scope.
Claims (10)
1. a kind of wind generator set blade, including blade root and blade tip, which is characterized in that the blade root uses truss structure.
2. wind generator set blade according to claim 1, which is characterized in that the blade root and the blade tip are detachable
Connection.
3. wind generator set blade according to claim 1, which is characterized in that the blade tip is integrally formed blade tip,
Its length is between 25 meters to 30 meters, and the blade tip uses the configuration design of deliberate speed loss type.
4. wind generator set blade according to claim 1, which is characterized in that the truss structure includes: truss sheet
Body, and the pinboard positioned at truss ontology both ends, the truss structure is by being bolted to institute on the pinboard
State the wheel hub of blade tip and wind power generating set.
5. wind generator set blade according to claim 1, which is characterized in that the length of the blade tip accounts for the wind-force
The 33.3% to 37.5% of generating set vane overall length degree.
6. wind generator set blade according to claim 1, which is characterized in that the width of the truss structure is less than institute
Blade tip is stated close to the width of the truss structure.
7. a kind of wind power generating set impeller, comprising: wheel hub and the multiple blades being connect with the wheel hub, which is characterized in that institute
Stating blade is according to wind generator set blade as claimed in any one of claims 1 to 6, and the number of the blade is 4 to 7.
8. wind power generating set impeller according to claim 7, which is characterized in that the blade and wind power generating set
Wheel hub uses being detachably connected without variation paddle structure.
9. a kind of wind power generating set, which is characterized in that including wind power generating set impeller according to claim 7 or 8.
10. wind power generating set according to claim 9, which is characterized in that further include: tower, cabin, main shaft, gear
Case, generator, the cabin are placed in the tower top, and the main shaft, the gear-box and the generator are placed in the machine
Inside cabin, the main shaft is respectively connected to the wheel hub of the gear-box and the wind power generating set, and the gear set is also connected with
To the generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227760.9A CN109973292A (en) | 2019-03-25 | 2019-03-25 | Wind generator set blade, impeller and wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227760.9A CN109973292A (en) | 2019-03-25 | 2019-03-25 | Wind generator set blade, impeller and wind power generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109973292A true CN109973292A (en) | 2019-07-05 |
Family
ID=67080417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910227760.9A Pending CN109973292A (en) | 2019-03-25 | 2019-03-25 | Wind generator set blade, impeller and wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109973292A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201241787Y (en) * | 2008-08-07 | 2009-05-20 | 肖伟南 | Fan blade structure of horizontal shaft wind power generator |
| CN101589229A (en) * | 2006-12-08 | 2009-11-25 | 维斯塔斯风力***有限公司 | A method for damping edgewise oscillations in one or more blades of a wind turbine, an active stall controlled wind turbine and use hereof |
| CN102705157A (en) * | 2012-06-21 | 2012-10-03 | 张向增 | Blade of horizontal axis WTGS and forming method and equipment thereof |
| CN103089553A (en) * | 2013-01-17 | 2013-05-08 | 清华大学 | Articulated truss fixed variable pitch combined blade device |
| CN103147926A (en) * | 2013-04-01 | 2013-06-12 | 戚永维 | Full-blade-tip wind driven generator |
| WO2016011462A1 (en) * | 2014-07-14 | 2016-01-21 | Lai Ba At | Wind turbine blade with truss-supported structure and twisted face |
-
2019
- 2019-03-25 CN CN201910227760.9A patent/CN109973292A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101589229A (en) * | 2006-12-08 | 2009-11-25 | 维斯塔斯风力***有限公司 | A method for damping edgewise oscillations in one or more blades of a wind turbine, an active stall controlled wind turbine and use hereof |
| CN201241787Y (en) * | 2008-08-07 | 2009-05-20 | 肖伟南 | Fan blade structure of horizontal shaft wind power generator |
| CN102705157A (en) * | 2012-06-21 | 2012-10-03 | 张向增 | Blade of horizontal axis WTGS and forming method and equipment thereof |
| CN103089553A (en) * | 2013-01-17 | 2013-05-08 | 清华大学 | Articulated truss fixed variable pitch combined blade device |
| CN103147926A (en) * | 2013-04-01 | 2013-06-12 | 戚永维 | Full-blade-tip wind driven generator |
| WO2016011462A1 (en) * | 2014-07-14 | 2016-01-21 | Lai Ba At | Wind turbine blade with truss-supported structure and twisted face |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190705 |
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| WD01 | Invention patent application deemed withdrawn after publication |