CN205533008U - Blade that promotes aerogenerator generated energy increases segment structure - Google Patents
Blade that promotes aerogenerator generated energy increases segment structure Download PDFInfo
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- CN205533008U CN205533008U CN201620197832.1U CN201620197832U CN205533008U CN 205533008 U CN205533008 U CN 205533008U CN 201620197832 U CN201620197832 U CN 201620197832U CN 205533008 U CN205533008 U CN 205533008U
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- blade
- trailing edge
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- tail edge
- original 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
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Abstract
The utility model discloses a blade that promotes aerogenerator generated energy increases segment structure, including hollow round table section, tail edge bearing structure and pneumatic tail edge, flange has been welded respectively at the both ends of hollow round table section, and the flange and the original blade of its one end pass through bolted connection, the tail edge bearing structure welding is in the hollow round table section, and rivet connection is passed through with original blade to its part of being close to the apex, and this tail edge bearing structure is close to the position shape of apex and the tail edge looks adaptation of original blade, pneumatic tail edge has a wing section structure, and the tail edge shape looks adaptation of its shape and original blade, its windward side and lee side be asymmetric structure, and structure for the part that pneumatic tail edge is close to the apex is glued and is bonded with the covering of original blade, and it is connected with tail edge bearing structure near the partial rivet that passes through of blade root. The utility model discloses it is long -pending that the windpiston is swept in the effective increase of ability, reaches the purpose that promotes aerogenerator annual energy output.
Description
Technical field
This utility model relates to the technical field promoting wind-driven generator annual electricity generating capacity, refers in particular to a kind of lifting
The blade of wind turbine power generation amount increases segment structure.
Background technology
Blower fan in early days is erected at the region that wind-resources is abundant more, the power of unit generally at about 1.5MW,
The length of blade is also the most left back at 40 meters.Due to the limitation of early stage wind-resources assessment technology, these regions
Wind-resources be not reaching to the effect imagined originally；Blade design level, molding technology thereof the most at that time
Immature with glass fiber material performance, the length of blade has reached the limit, and these factors have resulted in year
Generated energy does not reaches the state of ideal effect.
Computing formula according to wind energy conversion system output P: P=1/2CPρAU3。
In formula, ρ is that (standard value is 1.225Kg/m to atmospheric density3)；CPFor power coefficient；A is for sweeping wind
Area；U is wind speed.Understood in the case of atmospheric density and wind speed are certain by above formula, it is desirable to improve blower fan
Power must start with from two variablees of wind sweeping area of power coefficient and blower fan.General fan blade
Power coefficient will more than 0.45, but the maximal wind-energy usage factor of blade is 0.593, promote
Space relatively small.The most just can only be using the wind sweeping area of blade as the breakthrough improving blower fan output
Mouthful, however complete machine design at the beginning of blower fan rated power just given, therefore at overall drive energy
Under the rotating speed enough born, the length of blade is also impossible to increase always.But increase the length of fan blade,
Complete machine can be issued to rated speed at relatively low wind speed, it is achieved full power generates electricity, the annual electricity generating capacity of such complete machine
Will promote.
The big cost that blade produces is the manufacture of mould, if unrestrictedly strengthening blade to improve generated energy
Length and rotor diameter, be easily absorbed in the contest of rotor diameter, and the life cycle promoting leaf product is rapid
Shorten, cause the wasting of resources.The life-span of one back blades mould is also less than, and the life cycle of product has been tied
Shu Liao, also the most how the blade mold of certain length use, but by rapidly ' eliminating '.
On the other hand, the design service life of blade is 20 years, if simple in order to promote the annual electricity generating capacity of complete machine
Short blade is changed into linear leaf, the most not only need to expend substantial amounts of capital, and the blade changed
How to process also is a difficult problem.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of wind-driven generator that promotes is sent out
The blade of electricity increases segment structure, can be effectively increased wind sweeping area, reaches to promote wind-driven generator annual electricity generating capacity
Purpose, decrease the wind energy loss coefficient of blade root simultaneously, the power coefficient of blade also will not reduce.
For achieving the above object, technical scheme provided by the utility model is: a kind of lifting wind-driven generator
The blade of generated energy increases segment structure, includes hollow round table section, trailing edge supporting construction and pneumatic trailing edge, institute
The two ends stating hollow round table section are respectively welded adpting flange, and the adpting flange of its one end passes through with original blade
Bolt connects, and the adpting flange cross section circular diameter of this end is greater than the root diameter (RD) of original blade, it is possible to will
Original root of blade wraps up；Described trailing edge supporting construction is welded in hollow round table section, and it is near the portion of blade tip
Point with original blade by rivet interlacement, this trailing edge supporting construction is near the position shape of blade tip and original blade
Trailing edge suitable, and this trailing edge supporting construction to have overlap joint with original blade near maximum chord length position,
And hands paste multi-layered biaxial cloth carries out reinforcement, every layer of twin shaft cloth staggers；Described pneumatic trailing edge has airfoil structure,
It is the aerofoil profile according to cross section, original blade maximum chord length position and torsional angle is made, its shape and original blade
Trailing edge shape suitable, and windward side and lee face be unsymmetric structure, and this pneumatic trailing edge is near blade tip
Part structure glue is bonding with the eyelid covering of original blade, and it supports knot by rivet with trailing edge near leaf root part
Structure connects.
The root of described hollow round table section is equipped with rain-retaining ring.
Described trailing edge supporting construction is equipped with cover plate near blade root end face, to prevent rainwater or other foreign material from entering
Enter inside pneumatic trailing edge.
The mode that described rain-retaining ring uses structure glue to add iron hoop connects fixing.
This utility model compared with prior art, has the advantage that and beneficial effect:
Original blade is connected as an entirety with increasing segment structure, increases while blower fan swept area again
Ensure that the power coefficient of blade, entirety improves the annual electricity generating capacity of blower fan, is particularly well-suited to some wind
The region that resource declines, it is not necessary to spend big cost to change linear leaf, it is to avoid the waste of resource.
Accompanying drawing explanation
Fig. 1 is the product schematic diagram that original blade is connected with growth segment structure.
Fig. 2 is the exploded view of subsection blade.
Fig. 3 is root of blade and the assembly and connection figure increasing section.
Fig. 4 is the structural representation of pneumatic trailing edge.
Fig. 5 is the connection figure of trailing edge supporting construction.
Fig. 6 is the connection figure of cover plate and trailing edge supporting construction.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in further detail.
As shown in Figures 1 to 6, the blade promoting wind turbine power generation amount described in the present embodiment increases section
Structure, includes hollow round table section 1, trailing edge supporting construction 2 and pneumatic trailing edge 3, wherein it is possible to according to not
The length of hollow round table section 1 is determined, in order to ensure original blade 4 and the perfection of hollow round table section 1 with demand
Connecting, the cross section circular diameter of adpting flange 5 is greater than the root diameter (RD) of original blade 4, it is possible to well will
Original blade 4 root wraps up.Adpting flange 5 is connected by solder technology with one end of hollow round table section 1,
The other end of hollow round table section 1 is welded with adpting flange 6, by hollow round table section 1, adpting flange 5,6 weldering
Connect is to be bolted with original blade 4 after an overall structure again.
Described pneumatic trailing edge 3 has airfoil structure, is the aerofoil profile according to cross section, original blade maximum chord length position
Being made with torsional angle, its shape is suitable with the trailing edge shape of original blade, and this pneumatic trailing edge 3 is windward
Face and lee face are unsymmetric structure.The material of pneumatic trailing edge 3 is fiberglass, needs in advance at specific mould
Prepared by vacuum infusion molding process for compound on Ju.Pneumatic trailing edge 3 near the part structure glue of blade tip with original
The eyelid covering of blade 4 is bonding, bonding before need the bonding location of original blade 4 is carried out grinding process, close
Leaf root part is connected with trailing edge supporting construction 2 by the way of rivet.
Owing to the structure of hollow round table section 1 is metalwork, in order to ensure trailing edge supporting construction 2 and hollow round table
The reliability that section 1 connects, trailing edge supporting construction 2 is also adopted by metalwork.Trailing edge supporting construction 2 and hollow circle
Platform section 1 contact position is connected by solder technology, and trailing edge supporting construction 2 is not only connected with hollow round table section 1,
Also being connected with original blade 4 by tip segment, the structure of original blade 4 is fiberglass, therefore can pass through
Rivet interlacement.
Trailing edge supporting construction 2 will be with the trailing edge shape of original blade 4 near the position shape of blade tip, such as Fig. 5
Shown in, and trailing edge supporting construction 2 to have overlap joint, afterwards with original blade 4 near maximum chord length position
Hands is stuck with paste 4 layers of twin shaft cloth and is carried out reinforcement again, and every layer of twin shaft cloth staggers 50mm.Bonding firm in order to ensure, hands
Stick with paste the lap position grinding process to be carried out to original blade 4 before twin shaft cloth.
In order to prevent rainwater or other foreign material from entering inside pneumatic trailing edge, trailing edge supporting construction 2 is near blade root
End face needs to increase cover plate 7, and cover plate 7 can use glass fiber reinforced plastics product, cover plate to be connected with trailing edge supporting construction 2
As shown in Figure 6.Additionally, hollow round table section 1 root is also required to increase rain-retaining ring, due to rain-retaining ring and hollow
The material of round platform section 1 structure is different, and the mode that the fixed form of rain-retaining ring uses structure glue to add iron hoop connects.
Remarks: above link position is except welding portion, and remaining uses structure glue bonding and position of rivet interlacement
Wanting hands to stick with paste 4 layers of twin shaft cloth to carry out wrapping up reinforcement, every layer of twin shaft cloth staggers 50mm, then hands sticks with paste surface felt.Hollow
Round platform section and grinding and buffing the to be carried out process of pneumatic trailing edge, the spraying of pneumatic trailing edge and original leaf color
The same paint, the spraying of hollow round table section has the paint of antisepsis.
Embodiment described above is only the preferred embodiment of this utility model, not limits this utility model with this
Practical range, therefore the change that all shapes according to this utility model, principle are made, all should contain in this practicality
In novel protection domain.
Claims (4)
1. the blade promoting wind turbine power generation amount increases segment structure, it is characterised in that: in including
Empty round platform section, trailing edge supporting construction and pneumatic trailing edge, the two ends of described hollow round table section are respectively welded connection
Flange, the adpting flange of its one end is bolted with original blade, and the adpting flange cross section circle of this end
Diameter is greater than the root diameter (RD) of original blade, it is possible to wrapped up by original root of blade；Described trailing edge supports knot
Structure is welded in hollow round table section, and it passes through rivet interlacement, this trailing edge near the part of blade tip with original blade
Supporting construction is suitable with the trailing edge of original blade near the position shape of blade tip, and this trailing edge supporting construction is wanted
Having overlap joint near maximum chord length position with original blade, and hands is stuck with paste multi-layered biaxial cloth and carried out reinforcement, every layer double
Axle cloth staggers；Described pneumatic trailing edge has airfoil structure, according to cross section, original blade maximum chord length position
Aerofoil profile and torsional angle are made, and its shape is suitable with the trailing edge shape of original blade, and windward side and leeward
Face is unsymmetric structure, and this pneumatic trailing edge is bonding with the eyelid covering of original blade near the part structure glue of blade tip,
It is connected with trailing edge supporting construction by rivet near leaf root part.
A kind of blade promoting wind turbine power generation amount the most according to claim 1 increases segment structure,
It is characterized in that: the root of described hollow round table section is equipped with rain-retaining ring.
A kind of blade promoting wind turbine power generation amount the most according to claim 1 increases segment structure,
It is characterized in that: described trailing edge supporting construction is equipped with cover plate near blade root end face, with prevent rainwater or its
Its foreign material enters inside pneumatic trailing edge.
A kind of blade promoting wind turbine power generation amount the most according to claim 2 increases segment structure,
It is characterized in that: the mode that described rain-retaining ring uses structure glue to add iron hoop connects fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620197832.1U CN205533008U (en) | 2016-03-15 | 2016-03-15 | Blade that promotes aerogenerator generated energy increases segment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620197832.1U CN205533008U (en) | 2016-03-15 | 2016-03-15 | Blade that promotes aerogenerator generated energy increases segment structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205533008U true CN205533008U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620197832.1U Active CN205533008U (en) | 2016-03-15 | 2016-03-15 | Blade that promotes aerogenerator generated energy increases segment structure |
Country Status (1)
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| CN (1) | CN205533008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288812A (en) * | 2017-07-27 | 2017-10-24 | 无锡风电设计研究院有限公司 | A kind of large scale wind power machine blade root lengthened blades |
| CN110645142A (en) * | 2019-09-27 | 2020-01-03 | 明阳智慧能源集团股份公司 | Modular wind power blade not to be scrapped in full life cycle and manufacturing method thereof |
-
2016
- 2016-03-15 CN CN201620197832.1U patent/CN205533008U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288812A (en) * | 2017-07-27 | 2017-10-24 | 无锡风电设计研究院有限公司 | A kind of large scale wind power machine blade root lengthened blades |
| CN110645142A (en) * | 2019-09-27 | 2020-01-03 | 明阳智慧能源集团股份公司 | Modular wind power blade not to be scrapped in full life cycle and manufacturing method thereof |
| CN110645142B (en) * | 2019-09-27 | 2023-09-22 | 明阳智慧能源集团股份公司 | Modularized wind power blade not scrapped in full life cycle and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528437 Guangdong torch hi tech Industrial Development Zone, Torch Road, No. 22, Ming Yang Industrial Park, Zhongshan Patentee after: Ming Yang wisdom Energy Group AG Address before: 528437 Guangdong torch hi tech Industrial Development Zone, Torch Road, No. 22, Ming Yang Industrial Park, Zhongshan Patentee before: Guangdong Mingyang Wind Power Group Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191127 Address after: 300450 Building 2, No. 526, Gaoxin 6th Road, Binhai Science Park, Binhai high tech Zone, No. 13888, Jinhan Road, Binhai New Area, Tianjin Patentee after: Tianjin Mingyang wind power equipment Co., Ltd. Address before: 528437 Guangdong torch hi tech Industrial Development Zone, Torch Road, No. 22, Ming Yang Industrial Park, Zhongshan Patentee before: Ming Yang wisdom Energy Group AG |