CN207393392U - A kind of modularization wind turbine blade structure - Google Patents
A kind of modularization wind turbine blade structure Download PDFInfo
- Publication number
- CN207393392U CN207393392U CN201721318154.0U CN201721318154U CN207393392U CN 207393392 U CN207393392 U CN 207393392U CN 201721318154 U CN201721318154 U CN 201721318154U CN 207393392 U CN207393392 U CN 207393392U
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- China
- Prior art keywords
- blade
- load
- wind turbine
- aerodynamic configuration
- turbine blade
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a kind of modularization wind turbine blade structure, which includes at least blade tip section and blade root section, and optimal segmentation position is located at blade maximum chord length nearby close to blade tip one side.Duan Youyi open column shape load-carrying construction of blade root and multiple aerodynamic configuration profile plates composition, open column shape load-carrying construction and profile plate independently manufacture, with central hollow and support construction, convenient for and mitigation leaf weight Nian Jie with cylinder, there is the cylindrical structure being connected with blade root section in blade tip section, blade tip section is connected by screw bolts with blade root section, and bolt forms complete circular in segmentation EDS maps.The bolt that blade tip is completed with blade root section connects, using the aerodynamic configuration profile plate being glued according to segmentation position.The modularization wind wheel blade can realize segment design, manufacture and the transport of linear leaf, have the characteristics that manufacture difficulty is small and structural strength is high.
Description
Technical field
The utility model is related to a kind of blade of wind-driven generator more particularly to a kind of modularization wind turbine blade structure,
Belong to wind electricity blade manufacturing field.
Background technology
The utilization of a large amount of fossil energies also increases the burden of ball ecological environment while promotion technology develops, and air is dirty
Dye threatens the life and health of the mankind, and regenerative resource is increasingly becoming the energy resources of prioritizing selection, will be in various countries' energy knot
More importantly position is occupied in structure, wind energy is as a kind of renewable energy forms, and relatively low with development cost, technology maturation is divided
The advantages that cloth is extensive becomes the emphasis direction of Renewable Energy Development in recent years.In order to make full use of wind energy resources, wind energy conversion system
Enlargement is progressively moved towards, length of blade is also continuously increased, and the region that wind-resources enrich is often some remote mountain areas, human footmarks
Seldom desert belt extremely, transportation condition is poor, and transport linear leaf is extremely difficult, and after blade reaches certain length, this is also
Transport the scope forbidden.It can be seen that wind energy conversion system enlargement is restricted be subject to traffic condition.
Currently, wind electricity blade is generally manufactured using fiber reinforced polymer matrix composite, and composite material blade produces
Process has environment and technique harsh requirement, and many wind power plants are located in the place that dust storm is serious or humidity, salinity are very high.It is this
Under environment, the quality of production of wind electricity blade is difficult to effective guarantee, and the carbon fiber used in overlength blade, since it is to producing item
Part is more sensitive, and leaf quality is even more to be difficult to control.Blade production base is built near wind power plant, and there is also offices geographically
Sex-limited, radiation scope is limited, and the synthesis cost of blade can be significantly increased.It can be seen that after length of blade is to certain limit,
Traditional integral blade production, transport and installation process in there are many restraining factors for being difficult to overcome, therefore, using segmentation
Formula blade, in existing plant produced, fragmented transport, Assembling are the effective ways for solving Wind turbines enlargement.
Sectional-type blade needs to assemble each component before lifting, formed continuous aerodynamic configuration, structural integrity,
Multiple functional entirety.Existing sectional-type blade it is most of on existing non-subsection blade on the basis of carry out Transform Type design,
It is bolted and is distributed on blade covering contour line, particularly near aerofoil profile maximum gauge, blade root section still uses non-segmentation leaf
There is the deficiency for being bolted fatigue strength, and the structure of blade root section and pneumatic designability in the conventional design of piece, this structure
It is poor.Therefore, it is necessary to the structure and its assembly method of existing wind energy conversion system sectional-type blade are improved.
Utility model content
For the disadvantages mentioned above and deficiency of the prior art, the technical problem to be solved by the utility model is to provide a kind of companies
Connect the modularization wind turbine blade structure that firm, aerodynamic loss is small and assembly connection is easy to operate.
By solution, its technical problem adopts the technical scheme that the utility model：
A kind of modularization wind turbine blade structure, including extending at least one blade tip section of distribution and at least one leaf
Root segment, which is characterized in that
-- the blade root section is fixed on including extending to the open column shape load-carrying construction of extension and attachment for independently manufacturing
Several aerodynamic configuration profile plates of the open column shape load-carrying construction periphery are set in the cavity of the aerodynamic configuration profile plate
There are several support constructions,
-- the blade tip section includes being located at tip segment and coupling part, and the coupling part has one to open up to width simultaneously
At blade maximum chord length position, the bolt including being used for load connects and aerodynamic configuration covering,
It is described to form a closed curve, the end of the open column shape load-carrying construction for the bolt cylinder connection attachment of load
Portion is bolted to be connected in the bolt for load, and the aerodynamic configuration covering is fixed on the sky
On the end of stem shape load-carrying construction.
Preferably, the tip segment includes aerodynamic configuration covering, load spar cap and shear web.
Preferably, the open column shape load-carrying construction is manufactured by composite material, is prepared using winding shaping process.
Preferably, the aerodynamic configuration profile plate of the blade root section is extended forms to by multistage, the aerodynamic configuration profile plate
Inside sets leading edge, trailing edge support construction.
Preferably, each blade root section aerodynamic configuration profile plate is respectively adopted bonding way and is connected to the open column shape load knot
The outside of structure forms whole aerodynamic configuration and load-carrying construction.
Preferably, the leading edge between the pressure face and suction surface of the aerodynamic configuration covering of the coupling part and trailing edge use
Mechanical connection, easy to disassemble and maintenance.
Preferably, each bolt centerline is consistent with neighbouring laying neutral line, it is preferable that bolt upper and lower surface symmetric layups.
Compared with the existing technology, the modularization wind turbine blade structure of the utility model has following significant technology effect
Fruit：
1st, the modularization wind turbine blade of the utility model can realize the segmentation manufacture of pneumatic equipment bladess, fragmented transport with
And assembled in situ, greatly reduce transport and manufacture cost.
2nd, the wind turbine blade blade root section of the utility model is by circumferentially closed hollow column load-carrying construction and pneumatically outer
Shape profile plate is composed, and outer surface has consistent aerodynamics shape, after ensureing each leaf segments connection, wind
Power machine blade integrally has good aerodynamics property.
3rd, the wind turbine blade linkage section of the utility model is connected by screw bolts load column structure, effectively increases spiral shell
It tethers and connects fatigue strength.
Description of the drawings
The modularization wind turbine blade connection overall schematic of Fig. 1 the utility model；
Fig. 2 blade and blade root segment sectional views (A-A)；
Fig. 3 blade linkage section sectional views (B-B)；
Fig. 4 blade linkage sections are opened up to sectional view (C-C).
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to the drawings, the utility model is further described.
As shown in Figure 1, the modularization wind turbine blade of the utility model, including extending at least one blade tip to distribution
Section II and at least one blade root section i, blade sections coupling part are located at blade maximum chord length and close to the position in blade tip direction, blades
A blade entirety is linked in sequence by the connection bolt on open column shape load-carrying construction successively between section.Blade tip section II includes
Tip segment positioned at its main part and the coupling part positioned at its root, tip segment are manufactured by composite material, including
Aerodynamic configuration covering, load spar cap and shear web, coupling part have one to open up to width and generally within blade maximum chord length
At position, the bolt including being used for load connects and aerodynamic configuration covering.
As shown in Fig. 2, blade root section i from blade root profile plate 1,2, ribs 3, extend open column shape connection structure to extension
4 compositions.Wherein each blade root aerodynamic configuration profile plate 1,2 is respectively adopted bonding way and is sequentially connected to the outer of column load-carrying construction 4
Side, the inside of blade root profile plate 1,2 set before, trailing edge ribs 3, to form good aerodynamic configuration and whole load-carrying construction.It is empty
Stem shape load-carrying construction 4 is manufactured by composite material, is prepared using winding shaping process.
As shown in figure 3, blade tip section connects to form a closed curve for the bolt of load, hollow load column structure
4 end is connected to the bolt connection for load using bolt 6, and aerodynamic configuration covering is fixed on the open column shape
It is convenient in the leading edge and trailing edge of aerodynamic configuration covering pressure face and suction surface using mechanical connection 8,9 on the end of load-carrying construction
Dismounting and maintenance, after connection, the aerodynamic configuration profile plate of blade root section, the aerodynamic configuration covering of the coupling part and institute
The aerodynamic configuration covering for stating tip segment forms a complete continuous wind turbine blade aerodynamic configuration, so as to ensure wind energy conversion system leaf
Piece integrally has good aerodynamics property.
As shown in figure 4, each blade sections of wind turbine blade extend to connection bolt 10 formed protrusion aerodynamic configuration
11, bolt centerline is consistent with neighbouring laying neutral line.Preferably, bolt upper and lower surface symmetric layups.
Particular embodiments described above has carried out into one the purpose of this utility model, technical solution and advantageous effect
Step is described in detail.It should be understood that the foregoing is merely specific embodiment of the utility model, this is not limited to
Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap
It is contained within the scope of protection of the utility model.
Claims (7)
1. a kind of modularization wind turbine blade structure, including extending at least one blade tip section of distribution and at least one blade root
Section, which is characterized in that
The blade root section, which includes extending to the open column shape load-carrying construction of extension and attachment, is fixed on the open column shape load
Several aerodynamic configuration profile plates of structure periphery are provided with several support constructions in the cavity of the aerodynamic configuration profile plate,
The blade tip section includes tip segment and coupling part, and the coupling part has one to open up to width and generally within leaf
At piece maximum chord length position, the bolt including being used for load connects and aerodynamic configuration covering,
The bolt for load connects to form a closed curve, and the end of the open column shape load-carrying construction leads to
It crosses and is bolted to the bolt connection for load, the aerodynamic configuration covering is fixed on the open tubular column
On the end of shape load-carrying construction.
2. modularization wind turbine blade structure according to claim 1, which is characterized in that the tip segment includes gas
Dynamic shape covering, load spar cap and shear web.
3. modularization wind turbine blade structure according to claim 1, which is characterized in that the open column shape load knot
Structure is manufactured by composite material, is prepared using winding shaping process.
4. modularization wind turbine blade structure according to claim 1, which is characterized in that blade root section it is pneumatic outer
Shape profile plate is extended to be formed to by multistage, and leading edge support construction and trailing edge support knot are set on the inside of the aerodynamic configuration profile plate
Structure.
5. modularization wind turbine blade structure according to claim 4, which is characterized in that each blade root section aerodynamic configuration wheel
Wide plate is connected to the outside of the open column shape load-carrying construction using bonding way.
6. modularization wind turbine blade structure according to claim 1, which is characterized in that the coupling part it is pneumatic
Leading edge and trailing edge mechanical connection between the pressure face and suction surface of shape covering.
7. modularization wind turbine blade structure according to claim 1, which is characterized in that each bolt centerline is near
Laying neutral line is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721318154.0U CN207393392U (en) | 2017-10-13 | 2017-10-13 | A kind of modularization wind turbine blade structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721318154.0U CN207393392U (en) | 2017-10-13 | 2017-10-13 | A kind of modularization wind turbine blade structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207393392U true CN207393392U (en) | 2018-05-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721318154.0U Expired - Fee Related CN207393392U (en) | 2017-10-13 | 2017-10-13 | A kind of modularization wind turbine blade structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207393392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676232A (en) * | 2017-10-13 | 2018-02-09 | 中国科学院工程热物理研究所 | A kind of modularization wind turbine blade structure and its assembly method |
-
2017
- 2017-10-13 CN CN201721318154.0U patent/CN207393392U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676232A (en) * | 2017-10-13 | 2018-02-09 | 中国科学院工程热物理研究所 | A kind of modularization wind turbine blade structure and its assembly method |
| CN107676232B (en) * | 2017-10-13 | 2024-03-26 | 中国科学院工程热物理研究所 | Modularized wind turbine blade structure and assembly method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20201013 |
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| CF01 | Termination of patent right due to non-payment of annual fee |