CN104948383B - A kind of wind driven generator rotation blade and the wind-driven generator using the blade - Google Patents
A kind of wind driven generator rotation blade and the wind-driven generator using the blade Download PDFInfo
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- CN104948383B CN104948383B CN201510245465.8A CN201510245465A CN104948383B CN 104948383 B CN104948383 B CN 104948383B CN 201510245465 A CN201510245465 A CN 201510245465A CN 104948383 B CN104948383 B CN 104948383B
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- wind
- blade
- shaft
- driven generator
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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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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Abstract
The invention discloses a kind of wind driven generator rotation blades, it includes integrally formed spiral helicine blade body, the reversed wind-guiding groove of multiple tracks at an angle to the horizontal direction is distributed with a fixed spacing on the back side of blade body, the positive wind-guiding groove of multiple tracks transverse direction is formed between wind guide tank in the front of blade body, several inverted ventilation holes for penetrating fan blade ontology are provided in reversed wind-guiding groove, when wind is blown from the front of blade body, it can do in positive wind-guiding groove, push blade body rotation, and reversed resistance wind can be moved in reversed wind-guiding groove in blade body reverse side, fan blade ontology is left by the inverted ventilation hole in reversed wind-guiding groove.Also disclose a kind of wind-driven generator, it includes generator, pedestal, wind driven generator rotation blade described in shaft and two, the wind driven generator rotation blade is fixedly connected with shaft, double-screw matching is formed between two wind driven generator rotation blades, the shaft is fixedly connected with pedestal, the lower end of blade body is fixedly connected with pedestal, and the lower end of shaft connects generator.
Description
Technical field
The present invention relates to field of wind power equipment, especially a kind of wind driven generator rotation blade.
Background technique
Traditional wind-driven generator, it is usually light using density and there is optimal fatigue strength and mechanical property, it can be through
By the material of the test of the exceedingly odious condition such as storm wind and Random Load；The material of blade must assure that surface is smooth to reduce wind
Resistance, coarse surface can also be torn by wind, and traditional wind blade is usually strip, more sufficient suitable for wind resource
Area uses.With the development of wind power technology, the wind-driven generator of spiral fan blade is had developed, the blade of conventional wind machine is carried out
Distortion processing, using two panels blade, forms double-stranded blade, can increase the power coefficient of wind energy conversion system, in wind
When power machine is run, receive the rotation of wind drive wind wheel relative to the concave part of wind direction on blade, raised part then hinders wind wheel
Rotation；Using this torsional mode, the top half of a blade and another lower half portion can be in wind-engaging simultaneously
Position, therefore how the direction for no matter carrying out wind changes can guarantee wind energy conversion system by same driving force, especially for wind-force
Starting of the machine in gentle breeze is extremely advantageous.But reversed resistance of this wind-driven generator due to acting on blade surface
Wind is too long in blade reverse side running track as fluid, and the residence time is too long, so the negative work generated is excessive, and due to reversed
Resistance is big, and blade operation is shaken serious, will lead to that generating efficiency is low, and wind-driven generator is easily damaged, security risk is high.
Summary of the invention
It is an object of the invention to be directed to screw wind power generator pivoting leaf in the prior art described in background technology
Reversed resistance wind existing for piece is long in the blade reverse side residence time, excessive to the negative work of blade, and blade shakes serious, generating efficiency
It is low, the problems such as motor is easily damaged, and security risk is high, provide a kind of wind driven generator rotation leaf for being able to solve foregoing problems
Piece.
The technical solution that can be realized goal of the invention of the invention is as follows:
A kind of wind driven generator rotation blade comprising integrally formed spiral helicine blade body, in blade body
The reversed wind-guiding groove of multiple tracks at an angle to the horizontal direction is distributed with a fixed spacing on the back side, in the front of blade body
Position is formed with the positive wind-guiding groove of multiple tracks transverse direction between reversed wind-guiding groove position, in reversed wind-guiding groove
It is provided with several inverted ventilation holes for penetrating fan blade ontology and acts on positive wind-guiding when wind is blown from the front of blade body 1
In groove, blade body rotation is pushed, and reversed resistance wind can be moved in reversed wind-guiding groove in blade body reverse side, be led to
Leave fan blade ontology in the inverted ventilation hole crossed in reversed wind-guiding groove.
For the ease of the connection of blade body and wind driven generator principal shaft, the inside of the blade body is with a fixed spacing
Multiple blade connecting rods are provided with, the both ends of blade connecting rod are corresponding with the both ends of blade body respectively to be fixedly connected, in blade
One end be provided with and be connected with the rotating shaft connector, be provided on the connector conjunction surface in conjunction with protrusion, engagement groove and for master
The shaft half bore that axis passes through is provided with the pilot hole of horizontal direction on connector, and corresponding connector is logical in two blade bodies
It crosses and agrees in conjunction with protrusion and engagement groove, and by shaft after being passed through in the shaft hole that two shaft half bore piece together, level side
To pilot hole it is just corresponding, two connectors and shaft are locked by locking member.
Reversed wind-guiding groove 11 can be rapidly entered for the ease of reversed resistance wind, and leaves wind through inverted ventilation hole 13
Leaf ontology, the reversed wind-guiding groove 11 is one of circular groove or L connected in star, in order to keep positive wind-force equal
The front of even effect and fan blade ontology, the positive wind-guiding groove 12 are round rectangle groove.
In order to just can be aweather rapidly introduced into corresponding wind guide tank with reversed wind, the positive wind-guiding groove and anti-
The lead angle of arc is provided with to the notch of wind-guiding groove.
Power effect, the reversed wind-guiding groove and level side are unloaded in order to enhance reversed wind-guiding groove to reversed resistance wind
To in 30 °~60 ° angles.
Power effect, the inverted ventilation Kong Weichang are unloaded in order to further enhance reversed air-permeating hole to reversed resistance wind
Hole, inverted ventilation hole it is of same size, the spacing in inverted ventilation hole is 1cm~15cm.
A kind of wind-driven generator using wind driven generator rotation blade described in claim 1 comprising generator, base
Seat, shaft and two blade bodies, the wind driven generator rotation blade are fixedly connected with shaft, between two blade bodies
Double-screw matching is formed, the shaft is fixedly connected with pedestal, and the lower end of blade body is fixedly connected with pedestal, under shaft
End connection generator.
For the ease of the connection of blade body and wind driven generator principal shaft, enhance the stability of blade body, the leaf
The inside of piece ontology is provided with multiple blade connecting rods with a fixed spacing, the both ends of blade connecting rod respectively with blade body two
End correspondence is fixedly connected, and is provided in one end of blade connecting rod and is connected with the rotating shaft connector, sets on the connector conjunction surface
It is equipped in conjunction with protrusion, engagement groove and the shaft half bore passed through for shaft, is provided with the pilot hole of horizontal direction on connector, two
Corresponding connector is by combining protrusion and engagement groove to agree in a blade body, and by shaft from two shaft half bore splits
At shaft hole in pass through after, the pilot hole of horizontal direction is just corresponding, by locking member by two connectors and spindle lock
Tightly.
For the ease of the connection of shaft and generator, enhance the stability that shaft is connect with generator, the shaft and
The top of generator is arranged in by upper flange, upper flange in generator.
For the ease of wind-driven generator to be fixed on bracket or ground, it is provided with below the generator for solid
Determine the lower flange of wind-driven generator.
The advantages of wind driven generator rotation blade of the invention are as follows: 1) how the direction for no matter carrying out wind, which changes, can guarantee leaf
Piece ontology is enhanced the stability of equilibrium of blade body by same driving force, reduces the shaking of blade body, is conducive to
Enhance wind power generation efficiency, and reduces the destruction to blade body, shaft, generator；2) reversed resistance wind passes through inverted ventilation
Hole unloads power to reversed resistance, enhances generating efficiency, also enhances the stability of blade body；3) positive wind guide tank, energy are set
Enough make positive wind concentration, and reduce the resistance that reversed resistance wind passes through inverted ventilation hole, shortens reversed resistance wind action
Time is conducive to enhance generating efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of wind driven generator rotation blade of the invention；
Fig. 2 is the structural schematic diagram of wind-driven generator of the invention；
Fig. 3 is the connector of connecting rod and the schematic diagram of spindle mounted；
In figure, 1 is blade body, and 11 be reversed wind-guiding groove, and 12 are positive to wind-guiding groove, and 13 be inverted ventilation hole, 14
It is blade connecting rod for lead angle, 2,3 be connector, and 31 is combine protrusion, and 32 be engagement groove, and 33 be semi-circular hole, and 34 be spiral shell
Pit, 4 be generator, and 5 be pedestal, and 6 be shaft, and 7 be upper flange, and 8 be lower flange.
Specific embodiment
A kind of wind driven generator rotation blade as shown in Figure 1 comprising integrally formed spiral helicine blade body 1,
The reversed wind-guiding groove 11 of multiple tracks at an angle to the horizontal direction is distributed with a fixed spacing on the back side of blade body 1,
In the front of blade body 1 between reversed 11 position of wind-guiding groove position be formed with multiple tracks transverse direction positive wind-guiding it is recessed
Slot 12, is provided with several inverted ventilation holes 13 for penetrating fan blade ontology in reversed wind-guiding groove 11, and wind is from blade body 1
It when front is blown, acts in positive wind-guiding groove 12, blade body 1 is pushed to rotate, and reversed resistance wind is in blade body 1
Reverse side can be moved in reversed wind-guiding groove 11, leave fan blade ontology 1 by the inverted ventilation hole 13 in reversed wind-guiding groove 11.
As shown in figure 3, in above scheme, for the ease of the link enhancement blade of blade body 1 and wind driven generator principal shaft
The inside of the stability of ontology 1, the blade body 1 is provided with multiple blade connecting rods 2 with a fixed spacing, in order to enhance leaf
The intensity of piece connecting rod 2 prevents 2 bending deformation of blade connecting rod, and the cross-sectional shape of blade connecting rod 2 is aerofoil section, leads to
The quantity of blade connecting rod 2 is often set according to the height of blade, and the spacing of blade connecting rod 2 is usually 10cm~20cm, blade
The both ends of connecting rod 2 are corresponding with the both ends of blade body 1 respectively to be fixedly connected, and is provided with and is turned in one end of blade connecting rod 2
The connector 3 that axis 6 connects is provided on 3 conjunction surface of connector in conjunction with protrusion 31, engagement groove 32 and turns for what shaft passed through
Axis half bore 33 is provided with the pilot hole 34 of horizontal direction on connector 3, and corresponding connector 3 passes through knot in two blade bodies 1
It closes protrusion 31 and engagement groove 32 agrees with, the pilot hole 34 of horizontal direction is just corresponding, then by shaft 6 from two shafts half
It is passed through in the shaft hole that hole 33 pieces together, connector 3 is adjusted to scheduled position in shaft 6, by bolt by two companies
Fitting 3 and shaft 6 are locked.In this scheme, the connecting portion of blade connecting rod 2 and blade body 1 is provided with boss, boss
Lateral surfaces and connecting portion blade body 1 are perpendicular, can further enhance in this way blade connecting rod 2 and blade body 1 it
Between bonding strength.By the cooperation of connector 3 and shaft 6 in blade connecting rod 2, it can be enhanced and blade body 1 is determined
Position, prevents during wind turbine power generation, the shaking of blade body 1, enhances the stability of wind-driven generator, reduces wind-force
Destruction to blade body 1, shaft 6 and generator 4 extends the service life of wind-driven generator 4.
In above scheme, reversed wind-guiding groove 11 can be rapidly entered for the ease of reversed resistance wind, and through reversed logical
Air holes 13 leaves fan blade ontology, and the reversed wind-guiding groove 11 is one of circular groove or L connected in star, in order to make just
Wind is capable of the front of stepless action and fan blade ontology, and the positive wind-guiding groove 12 is round rectangle groove.
In above scheme, in order to just can be aweather rapidly introduced into corresponding wind guide tank with reversed wind, the forward direction
The lead angle 14 of arc is provided at the notch of wind-guiding groove 12 and reversed wind-guiding groove 11.
In above scheme, power effect, the reversed wind-guiding are unloaded in order to enhance reversed wind-guiding groove to reversed resistance wind
Groove 11 and horizontal direction are in 30 °~60 ° angles.
In above scheme, power effect is unloaded in order to further enhance reversed air-permeating hole to reversed resistance wind, described is reversed
Ventilation hole 13 is long hole, and the middle part width in inverted ventilation hole 13 is essentially identical, and the spacing in inverted ventilation hole 13 is 1cm~15cm.
Through the above scheme, the tilt angle of reversed wind-guiding groove and horizontal direction is set, reversed wind-guiding groove is set
Spacing is arranged the shape in inverted ventilation hole 13 and the spacing in inverted ventilation hole 13, it is recessed can to play to the greatest extent reversed wind-guiding
Slot unloads power effect to reversed resistance wind, improves the generating efficiency of wind-driven generator 4, blade caused by reducing because of reversed resistance wind
The vibration of ontology 1 improves the performance of wind-driven generator 4, extends wind-driven generator 4, especially blade body 1, shaft 6 and power generation
The service life of machine 4.
A kind of wind-driven generator using above-mentioned wind driven generator rotation blade as shown in Figures 2 and 3 comprising hair
Motor 4, pedestal 5, shaft 6 and two blade bodies 1, the wind driven generator rotation blade are fixedly connected with shaft 6, and two
Double-screw matching is formed between blade body 1, the shaft 6 is fixedly connected with pedestal 5, the lower end of blade body 1 and pedestal 5
It is fixedly connected, the lower end of shaft 6 connects generator 4.
As shown in figure 3, for the ease of the connection of blade body 1 and wind driven generator principal shaft, enhancing blade in above scheme
The inside of the stability of ontology 1, the blade body 1 is provided with multiple blade connecting rods 2, blade connecting rod with a fixed spacing
2 both ends are corresponding with the both ends of blade body 1 respectively to be fixedly connected, and is provided in one end of blade connecting rod 2 and is connect with shaft 6
Connector 3, be provided on 3 conjunction surface of connector in conjunction with protrusion 31, engagement groove 32 and the shaft half bore passed through for shaft
33, the pilot hole 34 of horizontal direction is provided on connector 3, corresponding connector 3, which passes through, in two blade bodies 1 combines protrusion
31 and engagement groove 32 agree with, and by shaft 6 after being passed through in 6 hole of shaft that two shaft half bore 33 piece together, horizontal direction
Pilot hole 34 it is just corresponding, two connectors 3 and shaft 6 are locked by bolt.
In above scheme, for the ease of the connection of shaft 6 and generator 4, enhance the stabilization that shaft 6 is connect with generator 4
Property, the shaft 6 and generator 4 connect by upper flange 7, and the top of generator 4 is arranged in upper flange 7.
In above scheme, for the ease of wind-driven generator is fixed on bracket or ground, the lower section of the generator 4
It is provided with the lower flange 8 for fixing wind-driven generator.
Blade is set helical form by wind-driven generator of the invention, and the blade of conventional wind machine is carried out distortion processing,
Using two panels blade, double-stranded blade is formed, the power coefficient of wind energy conversion system can be increased, is run in wind energy conversion system
When, receive the rotation of wind drive wind wheel relative to the concave part of wind direction on blade, raised part then hinders wind wheel to rotate；Using
This torsional mode, the top half of a blade and another lower half portion can be in the position of wind-engaging simultaneously, therefore
How the direction for no matter carrying out wind, which changes, can guarantee wind energy conversion system by same driving force, especially for wind energy conversion system in gentle breeze feelings
Starting under condition is extremely advantageous.Multiple tracks and horizontal direction are distributed in certain angle with a fixed spacing on the back side of blade body 1
Degree reversed wind-guiding groove 11, in the front of blade body 1 between reversed wind-guiding groove position position be formed with it is more
The positive wind-guiding groove 12 of road transverse direction, is provided with several inverted ventilation holes for penetrating fan blade ontology in reversed wind-guiding groove 11
13, by this set, when just aweather blowing over from the front of blade body 1, wind passes through the lead angle at the notch of positive wind guide tank
14, it is entered in positive wind guide tank after short distance displacement, fan blade ontology is driven to rotate, and reversed resistance wind, by reversely leading
Lead angle 14 at the notch of wind groove enters in reversed wind-guiding groove after short distance displacement, can by inverted ventilation hole 13
Blade body 1 quickly is left, to reduce resistance wind in the running track on blade convex surface, shortens what resistance wind stopped on blade convex surface
Time and then the power coefficient for increasing wind energy conversion system, because being just aweather concentrated mainly in positive wind guide tank, reversed to hinder
Resistance very little when power wind passes through inverted ventilation hole 13.The blade body 1 of wind-driven generator of the invention uses this screw twisted
Wind mode is unloaded with reversed, the top half of a blade and another lower half portion can be in the position of wind-engaging, resistance simultaneously
The reversed air-permeating hole that power wind then passes through in reversed wind-guiding groove leaves blade surface, therefore how the direction for no matter carrying out wind changes all
Wind energy conversion system be can guarantee by same driving force, which improves the stability of fan blade ontology, largely eliminate
The shaking of fan blade ontology can effectively prevent the damage of blade body 1 and generator 4, improve the generating efficiency of wind-driven generator
While, extend the service life of wind-driven generator.
Above embodiments are the explanations to a specific embodiment of the invention, rather than limitation of the present invention, related technology
The technical staff in field without departing from the spirit and scope of the present invention, can also make various transformation and variation and obtain
To corresponding equivalent technical solution, therefore all equivalent technical solutions should be included into patent protection model of the invention
It encloses.
Claims (10)
1. a kind of wind driven generator rotation blade, it is characterised in that: it includes integrally formed spiral helicine blade body (1),
The reversed wind-guiding groove of multiple tracks at an angle to the horizontal direction is distributed with a fixed spacing on the back side of blade body (1)
(11), in the front of blade body (1), position is formed with multiple tracks transverse direction between reversed wind-guiding groove (11) position
Positive wind-guiding groove (12) is provided with several inverted ventilation holes for penetrating fan blade ontology (1) in reversed wind-guiding groove (11)
(13), it when wind is blown from the front of blade body (1), acts in positive wind-guiding groove (12), blade body (1) is pushed to turn
It is dynamic, and reversed resistance wind can be moved in reversed wind-guiding groove (11) in the reverse side of blade body (1), it is recessed by reversed wind-guiding
Leave fan blade in inverted ventilation hole (13) in slot (11).
2. wind driven generator rotation blade according to claim 1, it is characterised in that: the blade body (1) it is interior
Side is provided with multiple blade connecting rods (2) with a fixed spacing, the both ends of blade connecting rod (2) respectively with blade body (1) two
End correspondence is fixedly connected, and the connector (3) connecting with shaft (6) is provided in one end of blade (2), which agrees with
It is provided on face and combines raised (31), engagement groove (32) and the shaft half bore (33) passed through for shaft (6), on connector (3)
Be provided with the pilot hole (34) of horizontal direction, on two blade bodies (1) corresponding connector (3) pass through combine raised (31) and
Engagement groove (32) agrees with, and by shaft (6) after passing through in the shaft hole that two shaft half bore (33) piece together, horizontal direction
Pilot hole (34) it is just corresponding, two connectors (3) and shaft (6) are locked by locking member.
3. wind driven generator rotation blade according to claim 1, it is characterised in that: the reversed wind-guiding groove (11)
For one of circular groove or L connected in star, the positive wind-guiding groove (11) is round rectangle groove.
4. wind driven generator rotation blade according to claim 1, it is characterised in that: the positive wind-guiding groove (12)
With the lead angle for being provided with arc at the notch of reversed wind-guiding groove (11).
5. wind driven generator rotation blade according to claim 1, it is characterised in that: the reversed wind-guiding groove (11)
It is in 30 °~60 ° angles with horizontal direction.
6. wind driven generator rotation blade according to claim 1, it is characterised in that: the inverted ventilation hole (13) is
Long hole, inverted ventilation hole it is of same size, the spacing in inverted ventilation hole is 1cm~15cm.
7. a kind of wind-driven generator using wind driven generator rotation blade described in claim 1, it is characterised in that: it includes
Generator (4), pedestal (5), shaft (6) and two blade bodies (1), the wind driven generator rotation blade and shaft (6)
It is fixedly connected, forms double-screw matching between two blade bodies (1), the shaft (6) is fixedly connected with pedestal (5), leaf
The lower end of piece ontology (1) is fixedly connected with pedestal (5), and the lower end of shaft (6) connects generator (4).
8. wind-driven generator according to claim 7, it is characterised in that: the inside of the blade body (1) is with certain
Spacing is provided with multiple blade connecting rods (2), and the both ends of blade connecting rod (2) are corresponding with the both ends of blade body (1) solid respectively
Fixed connection, the connector (3) connecting with shaft (6) is provided in one end of blade connecting rod (2), connector (3) conjunction surface
On be provided with and set on (3) in conjunction with raised (31), engagement groove (32) and the shaft half bore (33) passed through for shaft (6), connector
It is equipped with the pilot hole (34) of horizontal direction, corresponding connector (3), which passes through, on two blade bodies (1) combines raised (31) and knot
It closes groove (32) to agree with, and by shaft (6) after passing through in the shaft hole that two shaft half bore (33) piece together, horizontal direction
Pilot hole (34) is just corresponding, is locked two connectors (3) and shaft (6) by locking member.
9. wind-driven generator according to claim 7, it is characterised in that: the shaft (6) passes through upper with generator (4)
Flange (7), upper flange (7) are arranged in the top of generator (4).
10. wind-driven generator according to claim 7, it is characterised in that: the lower section setting of the generator (4) is useful
In the lower flange (8) of fixed wind-driven generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245465.8A CN104948383B (en) | 2015-05-14 | 2015-05-14 | A kind of wind driven generator rotation blade and the wind-driven generator using the blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245465.8A CN104948383B (en) | 2015-05-14 | 2015-05-14 | A kind of wind driven generator rotation blade and the wind-driven generator using the blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104948383A CN104948383A (en) | 2015-09-30 |
| CN104948383B true CN104948383B (en) | 2019-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510245465.8A Expired - Fee Related CN104948383B (en) | 2015-05-14 | 2015-05-14 | A kind of wind driven generator rotation blade and the wind-driven generator using the blade |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526045A (en) * | 2016-01-12 | 2016-04-27 | 张大鹏 | Rotary blade of wind power generator |
| US20190257285A1 (en) * | 2018-02-19 | 2019-08-22 | Windside America Ltd. | Arched rib for a turbine |
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| US7156609B2 (en) * | 2003-11-18 | 2007-01-02 | Gck, Inc. | Method of making complex twisted blades with hollow airfoil cross section and the turbines based on such |
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| GB2386161A (en) * | 2002-03-09 | 2003-09-10 | Atkinson Design Ass Ltd | Fluid dynamic bladed rotor |
| CN101657636A (en) * | 2007-02-13 | 2010-02-24 | 螺旋风公司 | Wind power plant with segmented Savonius rotors |
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| CN104948383A (en) | 2015-09-30 |
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