CN207018137U - A kind of wind power generation unit blade for improving wind energy utilization - Google Patents
A kind of wind power generation unit blade for improving wind energy utilization Download PDFInfo
- Publication number
- CN207018137U CN207018137U CN201720622938.6U CN201720622938U CN207018137U CN 207018137 U CN207018137 U CN 207018137U CN 201720622938 U CN201720622938 U CN 201720622938U CN 207018137 U CN207018137 U CN 207018137U
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- Prior art keywords
- blade
- wind
- auxiliary
- flange circle
- power generation
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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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- Wind Motors (AREA)
Abstract
A kind of wind power generation unit blade of raising wind energy utilization of wind power generation field is the utility model is related to, wind-driven generator includes the motor bin for being installed on atop a tower, and motor bin side is provided with wind wheel;Wind wheel includes centrally disposed wheel hub, and hub periphery is radially connected with multiple blades;Hub periphery is provided with flange circle, and multiple auxiliary blades are provided between the inner side of flange circle and wheel hub;Each blade is installed on the outside of flange circle.By installing multiple auxiliary blades at the center hub of wind wheel, to cause root of fan blade to increase auxiliary blade, making the front face area of wind wheel increases, and root of fan blade wind energy is rationally utilized, and then increases the purpose of wind-driven generator wind energy utilization.Meanwhile the utility model is simple in construction, significant effect, suitably promote the use of.
Description
Technical field
The utility model belongs to generating equipment technical field, more particularly to a kind of Wind turbines leaf for improving wind energy utilization
Piece.
Background technology
Wind power generating set is to be rotated by wind wheel under windage, and drives hair using wind wheel rotating force
Motor power input rotates, and then the equipment for producing electric power.The blade of existing wind power generating set is all to be directly mounted at wheel
On hub, wheel hub is meshed connection with the power intake of generator, to drive generator operation.
But because the root of blade of existing wind power generating set is all circle, it is not provided with wing face so that root of blade
Wind-force can not be utilized to produce rotation with wheel hub installation place so that the root of blade of wind-driven generator does not possess windward side, can not incited somebody to action
Wind-force at this is applied.
In view of this, it is special to propose the application.
Utility model content
The purpose of this utility model is to provide a kind of wind power generation unit blade for improving wind energy utilization, to realize to blade
Root increases wing face, and root of fan blade wind energy is utilized, and then to wind power generating set to wind energy utilization
The purpose further improved.
In order to solve the deficiencies in the prior art, reach described beneficial effect, the technical solution adopted in the utility model
Basic Design thinking is as follows:
A kind of wind power generation unit blade for improving wind energy utilization, wind-driven generator include the motor for being installed on atop a tower
Storehouse, motor bin side are provided with wind wheel;Wind wheel includes centrally disposed wheel hub, and hub periphery is radially connected with multiple blades;
Hub periphery is provided with flange circle, and multiple auxiliary blades are provided between the inner side of flange circle and wheel hub;Each blade is installed on flange circle
Outside.
Further, wheel hub includes centrally disposed installation portion, and the installation portion is meshed with the motor shaft of wind-driven generator;
The periphery of installation portion is provided with the flange circle being coaxially disposed, and the diameter of flange circle is more than the external diameter of installation portion;The periphery of installation portion is set
Auxiliary blade having multi-disc symmetry arrangement, radially extending, the both ends of each auxiliary blade respectively with flange circle and installation portion phase
It is fixedly connected.
Further, the thickness of each auxiliary blade is more than the thickness of flange circle;The thickness of each auxiliary blade is more than or equal to peace
The maximum gauge in dress portion.
Further, auxiliary blade in the vertical direction extends along serpentine, and two bending places difference of serpentine is outward-dipping.
Further, the wind wheel includes three blades, and the root of blade is connected with flange circle, and the root portion of each blade
Auxiliary blade not corresponding with one is mutually fixedly connected.
Further, the installation portion of wheel hub is in the bottom-up pyramidal structure gradually narrowed, the first end of the auxiliary blade
Mutually it is fixedly connected with the outer wall of taper installation portion, the first end horizontal buckling of auxiliary blade to form kink, take turns by kink edge
The diameter parallel direction of hub mounted portion extends and kink fits with the periphery of taper installation portion and is connected.
Further, the first end of each auxiliary blade plugs with set corresponding slot on installation portion periphery, and plug division is through spiral shell
Bolt is fixed or is welded and fixed;The second end fitting corresponding with the inwall of flange circle of each auxiliary blade, sticking part are mutually solid through bolt
Fixed connection.
Further, tell that hub mounted portion is mutually fixedly connected, the second end is connected with flange circle with wheel for the first end of auxiliary blade
Connect, auxiliary blade is in the arcwall face that height is gradually reduced from first end to the second end.
Further, auxiliary blade passes through flange circle, makes the end of auxiliary blade protrude flange circle periphery and sets.
Further, auxiliary blade is that gradually posteriorly inclined, cross section is " people " font from central axis to both sides
Sheet material is formed.
Compared to the prior art Wind turbines tower inclinometric system described in the utility model has following beneficial to effect
Fruit:
By installing multiple auxiliary blades at the center hub of wind wheel, to cause root of fan blade to increase auxiliary lobe
Piece, making the front face area of wind wheel increases, and root of fan blade wind energy is rationally utilized, and then increases wind-driven generator
The purpose of wind energy utilization.
The utility model is simple in construction, significant effect, suitably promotes the use of.
Content of the present utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
Accompanying drawing is further understood from, this practicality as a part of the present utility model for providing to of the present utility model
New schematic description and description is used to explain the utility model, but does not form to improper restriction of the present utility model.
Obviously, drawings in the following description are only some embodiments, to those skilled in the art, are not paying creation
Property work on the premise of, can also according to these accompanying drawings obtain other accompanying drawings.In the accompanying drawings:
Fig. 1 is the structural representation of wind wheel in the utility model embodiment one;
Fig. 2 is the structural representation of wind wheel in the utility model embodiment two;
Fig. 3 is the structural representation of wind wheel in the utility model embodiment three;
Fig. 4 is the structural representation of wind wheel in the utility model embodiment four.
It should be noted that these accompanying drawings and word description are not intended as limits design of the present utility model in any way
Scope, but be that those skilled in the art illustrate concept of the present utility model by reference to specific embodiment.
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 embodiment is clearly and completely described, following examples are used to illustrate this
Utility model, but it is not limited to the scope of the utility model.
, it is necessary to explanation in description of the present utility model, term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
It is easy to describe the utility model and simplified description, rather than indicates or imply that signified device or element must be with specifically square
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary.
For the ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing with concrete condition
Justice.
Embodiment one
As shown in figure 1, a kind of wind power generation unit blade for improving wind energy utilization, wind-driven generator are described in the present embodiment
Motor bin including being installed on atop a tower, motor bin side are provided with wind wheel;Wind wheel includes centrally disposed wheel hub, outside wheel hub
Week is radially connected with multiple blades 1;Hub periphery is provided with flange circle 3, is provided between the inner side of flange circle 3 and wheel hub multiple auxiliary
Help blade 4;Each blade 1 is installed on the outside of flange circle 3.
By installing multiple auxiliary blades at the center hub of wind wheel, to cause root of fan blade to increase auxiliary lobe
Piece, making the front face area of wind wheel increases, and then increases the purpose of wind-driven generator wind energy utilization.
In the present embodiment, wheel hub includes centrally disposed installation portion 2, the motor shaft of the installation portion 2 and wind-driven generator
It is meshed;The periphery of installation portion 2 is provided with the flange circle 3 being coaxially disposed, and the diameter of flange circle 3 is more than the external diameter of installation portion 2;Installation
The periphery in portion 2 is provided with multi-disc symmetry arrangement, the auxiliary blade 4 that radially extends, the both ends of each auxiliary blade 4 respectively with flange
Circle 3 is fixedly connected with the phase of installation portion 2.
In the present embodiment, the thickness of each auxiliary blade 4 is more than the thickness of flange circle 3;The thickness of each auxiliary blade 4 be more than or
Equal to the maximum gauge of installation portion 3, to cause auxiliary blade 4 to increase auxiliary blade as far as possible while being easily installed in level side
Upward height, and then make the frontal projected area of auxiliary blade 4 increase as far as possible, realize the maximized mesh of wind turbine power generation efficiency
's.
In the present embodiment, the wind wheel includes three blades 1, and the root of blade 1 is connected with flange circle 3, and each blade 1
The phase of auxiliary blade 4 corresponding with one is fixedly connected respectively for root, to make wind wheel blade 1 be installed through auxiliary blade 4 and wheel hub
The phase of portion 2 is fixedly connected, and then improves the installation strength of blade, avoids the occurrence of that wind wheel blade fractures.
In the present embodiment, the installation portion 2 of wheel hub is in the bottom-up pyramidal structure gradually narrowed, the auxiliary blade 4
First end is mutually fixedly connected with the outer wall of taper installation portion 2, and the first end horizontal buckling of auxiliary blade 4 is curved to form kink
Diameter parallel direction extension and kink of the folding part along wheel hub mounted portion 4 fit with the periphery of taper installation portion 4 and are connected.
Preferably, in order to further improve the front face area of auxiliary blade, the wind energy profit of wind-driven generator is further increased
With rate, can be set as follows in the present embodiment, tell the first end of auxiliary blade 4 is fixedly connected with the wheel phase of hub mounted portion 4,
Second end is connected with flange circle 3, and auxiliary blade 4 is in the arcwall face that height is gradually reduced from first end to the second end, with increase
The area of auxiliary blade, and then improve wind energy utilization.
In the present embodiment, the first end of each auxiliary blade 4 plugs with set corresponding slot on the periphery of installation portion 2, grafting
Portion 2 fixes or is welded and fixed through bolt;The second end fitting corresponding with the inwall of flange circle 3 of each auxiliary blade 4, sticking part warp
Bolt is mutually fixedly connected, to realize purpose that auxiliary blade 4 and installation portion 2 and flange circle 3 are fixedly connected respectively.
Embodiment two
As shown in Fig. 2 the difference of the present embodiment and above-described embodiment one is:The in the vertical direction of auxiliary blade 4 edge " S "
Shape extends, and two bending places difference of serpentine is outward-dipping, to cause auxiliary blade to be arranged at the root of blade 2 in " S " shape,
Further increase the axial length of auxiliary blade and make auxiliary blade possess bending part windward, with two sides of wind wheel rotating
Increase windward side upwards and then make wind energy utilization significantly improve.
Embodiment three
As shown in figure 3, the difference of the present embodiment and above-described embodiment one is:Auxiliary blade 4 passes through flange circle 3, makes auxiliary
Help the end of blade 4 to protrude the periphery of flange circle 3 to set, to cause the increase of the length of auxiliary blade 4, make auxiliary blade cover blade
Region outside root, so why the windward side of big auxiliary blade, make the wind energy utilization of wind-driven generator improve.
Example IV
As shown in figure 4, the difference of the present embodiment and above-described embodiment one is:Auxiliary blade 4 is from central axis to two
Gradually posteriorly inclined, cross section is formed for the sheet material of " people " font for side, makes auxiliary blade 4 be provided with inclining in the two directions
Oblique windward side, to improve the generating efficiency of wind-driven generator.
Described above is only preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, although the utility model is disclosed above with preferred embodiment, but is not limited to the utility model, any to be familiar with
The technical staff of this patent is not being departed from the range of technical solutions of the utility model, when the technology contents work using above-mentioned prompting
Go out a little change or be modified to the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solutions of the utility model,
Any simple modification, equivalent change and modification made according to the technical essence of the utility model to above example, still belongs to
In the range of the utility model.
Claims (10)
1. a kind of wind power generation unit blade for improving wind energy utilization, wind-driven generator includes the motor bin for being installed on atop a tower,
Motor bin side is provided with wind wheel;Wind wheel includes centrally disposed wheel hub, and hub periphery is radially connected with multiple blades;It is special
Sign is:Hub periphery is provided with flange circle, and multiple auxiliary blades are provided between the inner side of flange circle and wheel hub;Each blade is installed on
The outside of flange circle.
2. a kind of wind power generation unit blade for improving wind energy utilization according to claim 1, it is characterised in that wheel hub includes
Centrally disposed installation portion, the installation portion are meshed with the motor shaft of wind-driven generator;The periphery of installation portion is provided with and coaxially set
The flange circle put, the diameter of flange circle are more than the external diameter of installation portion;The periphery of installation portion be provided with multi-disc symmetry arrangement, radially
The auxiliary blade of extension, the both ends of each auxiliary blade are mutually fixedly connected with flange circle and installation portion respectively.
A kind of 3. wind power generation unit blade for improving wind energy utilization according to claim 2, it is characterised in that each auxiliary lobe
The thickness of piece is more than the thickness of flange circle;The thickness of each auxiliary blade is more than or equal to the maximum gauge of installation portion.
A kind of 4. wind power generation unit blade for improving wind energy utilization according to claim 2, it is characterised in that auxiliary blade
In the vertical direction extends along serpentine, and two bending places difference of serpentine is outward-dipping.
A kind of 5. wind power generation unit blade for improving wind energy utilization according to any one of claims 1 to 4, it is characterised in that
The wind wheel includes three blades, and the root of blade is connected with flange circle, and the root of each blade is corresponding with one respectively
Auxiliary blade is mutually fixedly connected.
6. according to a kind of wind power generation unit blade of any described raising wind energy utilization of claim 2 to 4, it is characterised in that
For the installation portion of wheel hub in bottom-up gradually narrowed pyramidal structure, the first end of the auxiliary blade is outer with taper installation portion
Wall is mutually fixedly connected, and the first end horizontal buckling of auxiliary blade to form kink, put down by axis of the kink along wheel hub mounted portion
Line direction extends and kink fits with the periphery of taper installation portion and is connected.
A kind of 7. wind power generation unit blade for improving wind energy utilization according to claim 6, it is characterised in that each auxiliary lobe
The first end of piece plugs with set corresponding slot on installation portion periphery, and plug division is fixed or is welded and fixed through bolt;Each auxiliary
The second end fitting corresponding with the inwall of flange circle of blade, sticking part are mutually fixedly connected through bolt.
8. a kind of wind power generation unit blade for improving wind energy utilization according to claim 6, it is characterised in that tell auxiliary
The first end of blade with wheel hub mounted portion is mutually fixedly connected, the second end is connected with flange circle, auxiliary blade in from first end to
Second end gradually reduces the arcwall face of height.
A kind of 9. wind power generation unit blade for improving wind energy utilization according to any one of claims 1 to 4, it is characterised in that
Auxiliary blade passes through flange circle, makes the end of auxiliary blade protrude flange circle periphery and sets.
A kind of 10. wind power generation unit blade for improving wind energy utilization according to any one of claims 1 to 4, it is characterised in that
Auxiliary blade is that gradually posteriorly inclined, cross section is formed for the sheet material of " people " font from central axis to both sides.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720622938.6U CN207018137U (en) | 2017-05-31 | 2017-05-31 | A kind of wind power generation unit blade for improving wind energy utilization |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720622938.6U CN207018137U (en) | 2017-05-31 | 2017-05-31 | A kind of wind power generation unit blade for improving wind energy utilization |
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Publication Number | Publication Date |
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CN207018137U true CN207018137U (en) | 2018-02-16 |
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ID=61476190
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CN201720622938.6U Expired - Fee Related CN207018137U (en) | 2017-05-31 | 2017-05-31 | A kind of wind power generation unit blade for improving wind energy utilization |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108979950A (en) * | 2017-05-31 | 2018-12-11 | 北京唐浩电力工程技术研究有限公司 | A kind of novel wind generator group blade of composite structure |
-
2017
- 2017-05-31 CN CN201720622938.6U patent/CN207018137U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108979950A (en) * | 2017-05-31 | 2018-12-11 | 北京唐浩电力工程技术研究有限公司 | A kind of novel wind generator group blade of composite structure |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180216 Termination date: 20180531 |