CN206397650U - New leafy more piece fan blade and its wind-driven generator - Google Patents
New leafy more piece fan blade and its wind-driven generator Download PDFInfo
- Publication number
- CN206397650U CN206397650U CN201621462785.5U CN201621462785U CN206397650U CN 206397650 U CN206397650 U CN 206397650U CN 201621462785 U CN201621462785 U CN 201621462785U CN 206397650 U CN206397650 U CN 206397650U
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- Prior art keywords
- fan blade
- section
- wind
- segment
- leafy
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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 leafy more piece fan blade, the fan blade wheel carrier welded including fan blade body and with fan blade body, the fan blade body includes the first segment fan blade group being fixed between interior retainer plate and support plate, the second section fan blade group and the fixed Section of three fan blade group in outer retainer plate that are fixed between interior retainer plate and outer retainer plate, and the first segment fan blade group includes some first segment fan blades；The second section fan blade group includes some second section fan blades；Section three, the fan blade group includes some Section of three fan blades；The convex lattice of positive wind-guiding are provided with the inside of first segment fan blade, second section fan blade and Section of three fan blade.The utility model also provides a kind of wind-driven generator for being provided with leafy more piece fan blade described in the utility model.The wind-power electricity generation function that the utility model is provided effectively utilizes wind energy, and it does not limit wind size, during actual power, invests small, wind energy utilization is high, is conducive to large and small flow wind-power electricity generation.
Description
Technical field
The utility model belongs to technical field of wind power generating equipment, and in particular to a kind of new leafy more piece fan blade and its
Wind-driven generator.
Background technology
The kinetic energy kept watch is transformed into mechanical kinetic energy, then mechanical energy is converted into electric power kinetic energy, here it is wind-power electricity generation.Wind-force
The principle of generating, is to drive air vane rotation using wind-force, then lifts the speed of rotation through booster engine, to promote to generate electricity
Machine generates electricity.Wind turbine well known in the prior art includes wind turbine tower and is placed in the wind turbine nacelle of tower top.Have
The wind turbine rotor of three wind turbine blades is connected in cabin by slow-speed shaft.Modern wind turbine is by making blade always in wind
Always become oar (pitching) outside wind and control the load on rotor.Blade is deflected will not to be broken with optimizing output or protection wind turbine
The overload of bad property.
The ripe large-scale wind driven generator of prior art is mostly three blade paddle type structures, and its fan blade is general by with lift
Aerofoil and the changeover portion two parts composition for being gradually transited into blade root cylinder, and the wheel hub of fan blade and generator connects surely.By
Do small fan blade width to control influence of the flow-disturbing to blower fan, power of motor is bigger, then the length of fan blade is longer.Meeting after fan blade increases
It is more difficult to manufacturing, transporting and installing, it is harsher to material requirements.The wind area of three blade paddle type structures is small, wind energy profit
Low with rate, rated wind velocity is poor, is applicable wind speed range narrow.Available low wind speed resource area accounts for national wind energy in nationwide
The 68% of resource-area, and close to the receiving end area of network load.And Wind Power Generation domestic at present concentrates on " three Norths " (west
North, northeast and North China), the abundant high wind speed area of wind-resources such as southeastern coast, the Wind Power Generation in low wind speed area is nearly at sky
In vain.The wind field exploitation of low wind speed area has significant development potentiality, and this is accomplished by developing the high low wind speed wind power generator of wind energy utilization.
CN201520511480.8 provides a kind of power-driven generator leaf, including base, left half vane and right half vane, left
Half vane and right half vane are arranged at the top of base, and base is up big and down small circular cone structure, left half vane and right half leaf
Piece is in globoidal structure, and left half vane and right half vane are centrosymmetric on the axis of base, left half vane and right half vane
Locked by box and pin locking member into a single integrated structure；Passage is respectively arranged with the blade face of left half vane and right half vane, often
Breather valve is installed in individual passage.The blade construction that the patent is provided is light, but fastness is not enough, and wind energy utilization is not
Foot, with certain limitation.
CN201510289771.1 provides a kind of wind turbine rotor, including：The bearing rotated around axis；And at least one
Individual turbo blade and blade mounting arrangement, the blade or each blade are for all component for being acted on parallel to the axis
With centre of force, and described or each blade mounting arrangement includes the first supporting member and the second supporting member, institute
State the first supporting member and related blade is connected to the bearing to second supporting member, parallel to the axis point
It is connected to the bearing at the radial inner end separated, and along the substantially phase each other substantially at the centre of force
The line extension of friendship.A kind of wind turbine is also provided.The device is still using three slurry type structures so that light in transportation,
But the problems such as wind energy utilization is not enough is still suffered from, with certain limitation.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of reasonable in design, and applied widely, generating efficiency is high,
Investment is small and performance is stable new leafy more piece fan blade and the wind-driven generator using the fan blade.
In order to solve the above technical problems, the utility model provides following technical scheme：Leafy more piece fan blade, it includes wind
Impeller body and the fan blade wheel carrier welded with fan blade body, the fan blade body include being fixed on interior retainer plate and support plate
Between first segment fan blade group, the second section fan blade group that is fixed between interior retainer plate and outer retainer plate and fixed in outer retainer plate
Section of three fan blade group, the first segment fan blade group include some first segment fan blades；The second section fan blade group includes some the
Two section fan blades；Section three, the fan blade group includes some Section of three fan blades；In first segment fan blade, second section fan blade and Section of three wind
The convex lattice of positive wind-guiding are provided with the inside of leaf.
Further, the first segment fan blade, second section fan blade and Section of three fan blade are along the circumferential direction uniformly arranged；It is described
First segment fan blade, second section fan blade and Section of three fan blade circular arc direction are consistent with Leaf inclination direction.Further, the first segment
It is staggered installation of between fan blade, between second section fan blade between Section of three fan blade, and is provided with space.
Further, the length of the second section fan blade is twice of the length of Section of three fan blade.
Further, the first segment fan blade, second section fan blade and Section of three fan blade include front end and tail end, the front end
Width is less than the aftermost breadth, and the first segment fan blade, the side of second section fan blade and Section three fan blade and tail wire are in justifying
Arcuation.
Further, the fan blade wheel carrier include orthogonal two central diameters pipe, it is the first annular concentric pipe, second same
Support tube and central rotating shaft between thimble pipe, the first annular concentric pipe and the second concentric endless tube.
Further, the central rotating shaft is welded to connect with support plate；The interior retainer plate and the weldering of the first annular concentric pipe
Connect in succession；Second concentric endless tube and outer retainer plate are welded to connect.
Further, the angle of the support tube and central diameter pipe is 45 °.
Further, the first segment fan blade, second section fan blade and Section of three fan blade are by welding or being integrally formed fixation
It is arranged on support plate, interior retainer plate and outer retainer plate, or by fixing axle on support plate, interior retainer plate and outer retainer plate.
Further, the convex lattice of positive wind-guiding are by welding or being integrally formed uniform axial arranging in the same direction on fan blade.
Further, the convex lattice of positive wind-guiding are semicircle or upper profound moon shape.
Further, the Leaf inclination of the first segment fan blade, second section fan blade and Section of three fan blade is 30 °~60 °.More enter
One step, the Leaf inclination of the first segment fan blade, second section fan blade and Section of three fan blade is 45 °.It is well known that the Leaf inclination
For the angle of the normal and day apical axis of the blade outside of belly.
The utility model further provides for a kind of wind-driven generator, and the wind-driven generator is provided with described in the utility model
Leafy more piece fan blade.
The beneficial effects of the utility model：
First segment fan blade described in the utility model, second section fan blade and Section of three fan blade use orthodrome, wide-angle shape,
Wind area is added, air draft ability is improved, air-flow accumulation, because air current flow is unobstructed, fan blade rear air pressure phase is eliminated
To stable, the overall stationarity of generating mechanism is improved.
By reasonably setting the Leaf inclination of interior retainer plate, the structure of outer retainer plate and fan blade to improve to a greater extent
The overall stationarity of generating mechanism, improves wind energy utilization.
The utility model supports fan blade using fan blade wheel carrier, has cushioning effect to fan blade body, reduces resistance wind
Influence to fan blade rotation process, it is ensured that on the basis of fan operation is not influenceed, improves the efficiency and benefit of operation again.
Fan blade wheel carrier of the present utility model is connected by welding with fan blade body, supports fan blade body simultaneously, to a certain extent
Improve the strength capabilities that fan blade body bears resistance wind.
The utility model is used sets the convex lattice of positive wind-guiding on fan blade so that the lifting surface area increase of fan blade, distinctive
Semicircle or upper profound moon shape structure both can guarantee that lifting surface area increase, also fleeing from beneficial to wind, reduce resistance to fan blade body
Compressing.
The fan blade that the utility model is provided can carry out the rotation of length by the size of fan blade and the situation of generator, no
But manufacture, transport difficulty are reduced, installation difficulty is also reduced.Wind space increase fan blade group is equally being swept, wind energy utilization is improved,
Save material and construction cost.
The wind-driven generator that the utility model is provided, the limitation problem to blade quantity and wind area understands
Certainly, fan blade manufacturing process is simple, and precision is easily controlled, and manufacture and maintenance cost are low, and the fan blade wind area of combination is big, reduction
Fan blade rotating speed, improves wind-driven generator moment of torsion, realizes low rotation speed large torque, increases the rated wind velocity and endurance of wind-driven generator
Degree, solves the problem of low wind speed area wind field exploitation.
New leafy more piece fan blade and the wind-driven generator using the fan blade that the utility model is provided, can be effective
Using wind energy, it does not limit wind size, during actual power, invests small, wind energy utilization is high, is conducive to large and small flow
Wind-power electricity generation.
Brief description of the drawings
Fig. 1 is the structural representation of the fan blade body of the new leafy more piece fan blade of the utility model preferred embodiment；
Fig. 2 is the structural representation of the fan blade wheel carrier of the new leafy more piece fan blade of the utility model preferred embodiment；
Fig. 3 is the structural representation of the fan blade of the new leafy more piece fan blade of the utility model preferred embodiment.
Embodiment
The utility model is further described with specific embodiment below, but the utility model is not by following embodiments
Restriction.
Embodiment 1
As shown in Figures 1 to 3, leafy more piece fan blade, it includes fan blade body 1 and the fan blade welded with fan blade body
Wheel carrier 2, the fan blade body 1 includes being fixed on first segment fan blade group between interior retainer plate 11 and support plate 12, is fixed on
Second section fan blade group and the fixed Section of three fan blade group in outer retainer plate 13 between interior retainer plate 11 and outer retainer plate 13, it is described
First segment fan blade group includes some first segment fan blades 14；The second section fan blade group includes some second section fan blades 15；Described
Three section fan blade groups include some Section of three fan blades 16；In first segment fan blade 14, second section fan blade 15 and Section of three fan blade 16
Side is provided with the convex lattice 17 of positive wind-guiding.
Further, the first segment fan blade 14, second section fan blade 15 and Section of three fan blade 16 are along the circumferential direction arranged
Row；The first segment fan blade 14, second section fan blade 15 are consistent with Leaf inclination direction with Section of three circular arc direction of fan blade 16.Further
It is staggered installation of between ground, the first segment fan blade 14, between second section fan blade 15 between Section of three fan blade 16, and sets free
Gap.
Further, the length of the second section fan blade 15 is twice of the length of Section of three fan blade 16.
Further, the first segment fan blade 14, second section fan blade 15 and Section of three fan blade 16 include front end 18 and tail end
19, the width of front end 18 is less than the width of tail end 19, the first segment fan blade 14, second section fan blade 15 and Section of three fan blade
16 side and tail wire are in arc-shaped.First segment fan blade 14 described in the utility model, second section fan blade 15 and Section of three fan blade
16, using orthodrome, wide-angle shape, add wind area, improve air draft ability, air-flow accumulation are eliminated, due to air-flow
Flowing is unobstructed, and fan blade rear air pressure is stablized relatively, improves the overall stationarity of generating mechanism.By reasonably setting in described
The Leaf inclination of the structure and fan blade of retainer plate 11 and the outer retainer plate 13 can improve the whole of generating mechanism to a greater extent
Body stationarity, improves wind energy utilization.
Fan blade material of the present utility model can be supported with steel plate or aluminium alloy plate, and small-sized wind power generator can be with injection successively
Complete the structure of leafy more piece fan blade.
Further, the convex lattice 17 of the positive wind-guiding are by welding or being integrally formed uniform axial arranging in the same direction in fan blade
On.
Further, the convex lattice 17 of the positive wind-guiding are semicircle or upper profound moon shape.By setting positive guide on fan blade
The convex lattice 17 of wind so that the lifting surface area increase of fan blade.
Further, the fan blade wheel carrier 2 include orthogonal two central diameters pipe 21, the first annular concentric pipe 22,
Support tube 23 and central rotating shaft 24 between second concentric endless tube 25, the first annular concentric pipe 22 and the second concentric endless tube 25.
Further, the central rotating shaft 24 is welded to connect with support plate 12；The concentric ring of interior retainer plate 11 and first
Shape pipe 22 is welded to connect；Second concentric endless tube 25 and outer retainer plate 13 is welded to connect.
Further, the angle of the support tube 23 and central diameter pipe 21 is 45 °.The fan blade wheel carrier 2 supports fan blade
Wheel, has cushioning effect, influence of the reduction resistance wind to fan blade rotation process, it is ensured that do not influenceing blower fan to fan blade body
On the basis of operation, the efficiency and benefit of operation are improved again.
Further, the first segment fan blade 14, second section fan blade 15 and Section of three fan blade 16 by welding or one into
Type is fixed on support plate 12, interior retainer plate 11 and outer retainer plate 13, or is arranged on support plate 12, interior retainer plate by fixing axle
11 and outer retainer plate 13 on.Using the form of leafy more piece, while can make it that wind energy utilization is high, rated wind velocity increase,
Being applicable the scope of wind speed also increases.Have great importance for low wind speed area exploitation wind-powered electricity generation.The form of leafy more piece, convenient fortune
Defeated, installation is also facilitated.
Further, the Leaf inclination of the first segment fan blade 14, second section fan blade 15 and Section of three fan blade 16 be 30 °~
60°.Further, the Leaf inclination of the first segment fan blade 14, second section fan blade 15 and Section of three fan blade 16 is 45 °.Many institutes
Known, the Leaf inclination is the normal of the blade outside of belly and the angle of day apical axis.
The utility model further provides for a kind of wind-driven generator, and the wind-driven generator is provided with described in the utility model
Leafy more piece fan blade.
The fan blade that the utility model is provided can carry out the rotation of length by the size of fan blade and the situation of generator, no
But manufacture, transport difficulty are reduced, installation difficulty is also reduced.Wind space increase fan blade group is equally being swept, wind energy utilization is improved,
Save material and construction cost.
The wind-driven generator that the utility model is provided, the limitation problem to blade quantity and wind area understands
Certainly, fan blade manufacturing process is simple, and precision is easily controlled, and manufacture and maintenance cost are low, and the fan blade wind area of combination is big, reduction
Fan blade rotating speed, improves wind-driven generator moment of torsion, realizes low rotation speed large torque, increases the rated wind velocity and endurance of wind-driven generator
Degree, solves the problem of low wind speed area wind field exploitation.
New leafy more piece fan blade and the wind-driven generator using the fan blade that the utility model is provided, can be effective
Using wind energy, it does not limit wind size, during actual power, invests small, wind energy utilization is high, is conducive to large and small flow
Wind-power electricity generation.
The leafy more piece fan blade that the utility model is provided is connected with the first dynamometer, fan blade of the prior art and the
Two dynamometers are connected, under the impact of identical wind-force speed, and test obtains the leafy more piece fan blade of the utility model offer
Dynamics is more than the dynamics one to twice of fan blade of the prior art.It can make wind with leafy more piece fan blade of the present utility model
Conversion ratio improve, the generated energy of wind-driven generator accordingly increases.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (9)
1. leafy more piece fan blade, it is characterised in that the fan blade wheel carrier welded including fan blade body and with fan blade body, institute
Stating fan blade body includes being fixed on first segment fan blade group between interior retainer plate and support plate, is fixed on interior retainer plate and outer solid
Second section fan blade group and the fixed Section of three fan blade group in outer retainer plate between fixed circle, the first segment fan blade group includes some
First segment fan blade；The second section fan blade group includes some second section fan blades；Section three, the fan blade group includes some Sections three
Fan blade；The convex lattice of positive wind-guiding, the fan blade wheel carrier are provided with the inside of first segment fan blade, second section fan blade and Section of three fan blade
It is same including orthogonal two central diameters pipe, the first annular concentric pipe, the second concentric endless tube, the first annular concentric pipe and second
Support tube and central rotating shaft between thimble pipe.
2. leafy more piece fan blade according to claim 1, it is characterised in that the first segment fan blade, second section fan blade
Along the circumferential direction uniformly arranged with Section of three fan blade；The first segment fan blade, second section fan blade and Section of three fan blade circular arc direction
It is consistent with Leaf inclination direction.
3. leafy more piece fan blade according to claim 2, it is characterised in that the first segment fan blade, second section fan blade
Leaf inclination with Section of three fan blade is 30 °~60 °.
4. leafy more piece fan blade according to claim 1, it is characterised in that the first segment fan blade, second section fan blade
Include front end and tail end with Section of three fan blade, the nose width is less than the aftermost breadth, the first segment fan blade, second section
The side and tail wire of fan blade and Section of three fan blade are in arc-shaped.
5. leafy more piece fan blade according to claim 1, it is characterised in that the first segment fan blade, second section fan blade
It is fixed on Section of three fan blade by welding or being integrally formed on support plate, interior retainer plate and outer retainer plate, or passes through fixing axle
On support plate, interior retainer plate and outer retainer plate.
6. leafy more piece fan blade according to claim 1, it is characterised in that the positive convex lattice of wind-guiding by welding or
Uniform axial arranging in the same direction is integrally formed on fan blade.
7. the leafy more piece fan blade according to claim 1 or 6, it is characterised in that the positive convex lattice of wind-guiding are semicircle
Shape or upper profound moon shape.
8. leafy more piece fan blade according to claim 1, it is characterised in that the central rotating shaft is welded with support plate to be connected
Connect；The interior retainer plate and the first annular concentric pipe are welded to connect；Second concentric endless tube and outer retainer plate are welded to connect.
9. a kind of wind-driven generator, it is characterised in that the wind-driven generator is provided with described in any one of claim 1~8
Leafy more piece fan blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621462785.5U CN206397650U (en) | 2016-12-29 | 2016-12-29 | New leafy more piece fan blade and its wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621462785.5U CN206397650U (en) | 2016-12-29 | 2016-12-29 | New leafy more piece fan blade and its wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206397650U true CN206397650U (en) | 2017-08-11 |
Family
ID=59517394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621462785.5U Expired - Fee Related CN206397650U (en) | 2016-12-29 | 2016-12-29 | New leafy more piece fan blade and its wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206397650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762390A (en) * | 2016-12-29 | 2017-05-31 | 湖南省正侃水力水电研发有限公司 | New leafy more piece fan blade and its wind-driven generator |
-
2016
- 2016-12-29 CN CN201621462785.5U patent/CN206397650U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762390A (en) * | 2016-12-29 | 2017-05-31 | 湖南省正侃水力水电研发有限公司 | New leafy more piece fan blade and its wind-driven generator |
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Legal Events
| 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: 20170811 Termination date: 20181229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |