CN109458297A - Wind power generator oar blade power assisting device - Google Patents
Wind power generator oar blade power assisting device Download PDFInfo
- Publication number
- CN109458297A CN109458297A CN201811515741.8A CN201811515741A CN109458297A CN 109458297 A CN109458297 A CN 109458297A CN 201811515741 A CN201811515741 A CN 201811515741A CN 109458297 A CN109458297 A CN 109458297A
- Authority
- CN
- China
- Prior art keywords
- booster fan
- power generator
- wind power
- oar blade
- flabellum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 241000883990 Flabellum Species 0.000 claims abstract description 41
- 241001416181 Axis axis Species 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 241000237858 Gastropoda Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to wind-power electricity generation technical field of auxiliary equipment, specifically a kind of wind power generator oar blade power assisting device.The available effective wind speed range of existing three leaf wind-driven generator of trunnion axis is relatively narrow, the problem that generally existing downtime is long, annual utilization hours are relatively low.Technical solution of the present invention includes the Hatch Opening and door, booster fan, the first control mechanism, the second control mechanism that wind power generator oar blade end is arranged in；Booster fan is assemblied in the intracavitary of blade by horizontal axis, and the flabellum of booster fan and its main shaft are articulated and connected；Booster fan drives the axis around horizontal axis to overturn by the second control mechanism under working condition, stretches out booster fan flabellum by blade Hatch Opening, and realizes flabellum expansion and folding by the driving of the first control mechanism.Beneficial effects of the present invention: when wind speed is lower than effective wind speed range lower limit, the booster fan by being located at blade tips pushes wind power generator impeller rotation, extends generator operation duration.
Description
Technical field
The present invention relates to wind-power electricity generation technical field of auxiliary equipment, specifically a kind of wind power generator oar blade power-assisted dress
It sets.
Background technique
Wind-driven generator drives generating set to operate using natural wind energy driving impeller, converts wind energy into mechanical energy hair
Electricity has the characteristics that energy-saving and environmental protection, pollution-free, has been widely used.Common wind-driven generator is mostly three blade of trunnion axis
Form impeller is mounted on shaft tower top, and this kind of wind-driven generator is limited by structure, the wind sweeping area of output power and blade
And natural wind is closely related, increase blade by lengthening length of blade flutters wind area, although generator can be improved
Rated output power, but the oneself height of complete machine, weight, volume increase therewith, there are certain requirements it to wind speed, such as
The blower single blade length of 1.5MW is about 45 meters, and (it is 3~4m/s that blower cuts wind speed to available effective wind speed, cuts out wind
Speed is 25m/s, is effective wind speed between incision and cut-out wind speed) range is relatively narrow, and wind speed is had to lower than 3 m/s by forced-stopping machine, this
The generally existing downtime of class wind-driven generator is long, annual utilization hours relatively low (being typically only 2000~3000 hours or so)
Problem, the 1/3 of the running time of blower most insufficient whole year.
Summary of the invention
In view of the above problems, the present invention provides a kind of wind power generator oar blade power assisting device, in natural wind lower than effective
When wind speed lower limit, by being mounted on the power-assisted flabellum of blade outer end, draught fan impeller rotation is pushed, when extending generator operation
It is long.
The purpose of the present invention is achieved through the following technical solutions:
A kind of wind power generator oar blade power assisting device: including the Hatch Opening of wind power generator oar blade free end is arranged in, is assemblied in storehouse
The door of mouth, booster fan, the first control mechanism for booster fan flabellum folding and unfolding, the second control for booster fan overturning
Mechanism processed；
The base of the booster fan is equipped with horizontal axis, and base is assemblied in the support frame in wind power generator oar blade cavity by horizontal axis
On frame；
The flabellum of booster fan and the main shaft of booster fan are articulated and connected, and the main shaft of booster fan is equipped with the first control mechanism, institute
The flabellum of the first control mechanism and booster fan stated connects and drives flabellum expansion and folding；
It is equipped with the second control mechanism between the base of the booster fan and the braced frame inside wind power generator oar blade, works
The second control mechanism driving booster fan is rotated around the axis of horizontal axis under state, makes booster fan flabellum by wind power generator oar blade
Hatch Opening stretch out；
The Hatch Opening or door is equipped with the groove-type channel that wind power generator oar blade is stretched out for booster fan main shaft.
Further, first control mechanism includes the telescopic shaft and control telescopic shaft for controlling flabellum folding and unfolding
First power unit of movement；
The main shaft of booster fan is equipped with hollow channel, and the front-end of spindle is equipped with blade rack, main shaft end and booster fan
Motor connection；The telescopic shaft is inserted into the hollow channel of main shaft, and telescopic shaft both ends stretching main shaft is simultaneously coaxial with main shaft
Assembly；Telescopic shaft is connect by spline with main shaft and can be slid axially along main shaft with merging；
Each flabellum root of booster fan is fixed with control arm, and the free end of control arm is equipped with sliding block or pulley；Before telescopic shaft
End is equipped with detent sliding slot corresponding with booster fan flabellum position, the first power of stretch shaft end and control telescopic shaft movement
Unit connection；
The radial laying of booster fan flabellum, flabellum root and blade rack are articulated and connected, the sliding block of control arm free end or
The detent sliding slot of pulley and telescopic shaft is engaged by clamping, and can slide along detent sliding slot.
Further, the detent sliding slot is vertical with telescopic shaft axis.
Preferably, first power unit of control telescopic shaft movement uses electric power push rod, and the shaft end that stretches is equipped with one
Group thrust bearing, the both ends of electric power push rod are connect with the base of the bearing block of thrust bearing and booster fan respectively.
Further, the groove-type channel is equipped with the flapper for closing the groove-type channel.
Preferably, second control mechanism uses one group of worm couple.
Further, the braced frame of the horizontal axis end and wind power generator oar blade is rotatably connected cooperation, worm gear and snail
Bar is respectively assembled in horizontal axis and the intracavitary braced frame of wind power generator oar blade.
Further, the end of the horizontal axis is equipped with a sliding rack that can be rotated around horizontal axis axis, wind power generator oar blade chamber
Interior braced frame is equipped with guide rail, and sliding rack and guide rail are slidably matched and make sliding rack that can become close or remote from Hatch Opening；Worm gear and cross
Axis is fixedly connected, and the driving device of worm screw and worm screw is assemblied on sliding rack.
Further, the sliding rack and the second power unit being assemblied in wind power generator oar blade inner support frame
Connection, driving sliding rack move along the rail.
Preferably, second power unit uses electric power push rod or hydraulic mandril.
The beneficial effects of the present invention are: the present apparatus, in the impeller blade end of wind-driven generator, one auxiliary of setting is built-in
Booster fan, wind-driven generator under normal operation, take in generator blade storehouse by booster fan；When wind speed is lower than effective
When wind speed range lower limit (i.e. wind speed is less than 3m/s), booster fan is discharged and started automatically, and generator is made to keep running well, with
Increase generator operation duration.
Technical solution of the present invention is described in detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 3 is the working state figure of 1 booster fan of the embodiment of the present invention；
Fig. 4 is the state diagram that 1 booster fan flabellum of the embodiment of the present invention is withdrawn；
Fig. 5 is the structural schematic diagram of the embodiment of the present invention 2.
Specific embodiment
In figure: 1, wind power generator oar blade, 1a, Hatch Opening, 2, door, 3, flabellum, 4, control arm, 5, main shaft, 5a, flabellum branch
Frame, 6, telescopic shaft, 6a, detent sliding slot, 7, base, 8, horizontal axis, 9a, worm gear, 9b, worm screw, the 10, first power unit, 11, thrust
Bearing, 12, guide rail, 13, sliding rack, the 14, second power unit.
Embodiment 1
From FIG. 1 to FIG. 2 it is found that technical solution of the present invention includes the Hatch Opening 1a that 1 free end of wind power generator oar blade is arranged in, storehouse
Door 2, booster fan, the first control mechanism for booster fan folding and unfolding flabellum 3, the second control machine for booster fan overturning
Structure；The door 2 and Hatch Opening 1a are articulated and connected, and pass through connecting rod and Serve Motor Control its folding；
The base 7 of the booster fan is equipped with horizontal axis 8, and base 7 is assemblied in 1 cavity of wind power generator oar blade by horizontal axis 8
In braced frame.
The flabellum 3 of booster fan and the main shaft 5 of booster fan are articulated and connected, and the main shaft 5 of booster fan is equipped with the first control
The flabellum 3 of mechanism, first control mechanism and booster fan connects, and the expansion of drive control flabellum 3 and folding.
In the present embodiment, first control mechanism includes the telescopic shaft 6 and control telescopic shaft for flabellum folding and unfolding
First power unit 10 of movement；
The main shaft 5 of booster fan is equipped with hollow channel, and 5 front end of main shaft is equipped with blade rack 5a, and 5 end of main shaft passes through tooth
Wheel group or belt and the motor (i.e. the main motor of booster fan) being assemblied on base 7 output axis connection；The telescopic shaft 6 is inserted
In the hollow channel of main shaft 5, the both ends of telescopic shaft 6 stretch out main shaft and with the coaxial assembly of main shaft 5；Telescopic shaft 6 by with master
Axis 5 is connected by spline to be cooperated, and telescopic shaft can slide axially along main shaft.
3 root of each flabellum of booster fan is fixed with control arm 4, and the free end of control arm 4 is equipped with sliding block or pulley；
The front end of telescopic shaft 6 is equipped with detent sliding slot 6a corresponding with booster fan flabellum position, detent sliding slot 6a and telescopic shaft
Axis is vertical；6 end of telescopic shaft is connect with the first power unit 10 of control telescopic shaft movement；Flabellum 3 is radially distributed, fan
The root of leaf 3 and blade rack 5a are articulated and connected, and flabellum 3 and control arm 4 is made to be located at flabellum and blade rack hinge joint
Two sides form lever construction；The sliding block or pulley and detent sliding slot 6a of 4 free end of control arm are engaged by clamping, and can be along detent sliding slot
Sliding.
When telescopic shaft 6 is along 5 axis forward slip of main shaft, the 4 end sliding block of detent sliding slot 6a ejection control arm of front end or
Pulley slides sliding block or pulley along detent sliding slot 6a notch, and control arm 6 is driven to swing, and flabellum 3 is around under leverage
It opens, as shown in Figure 3；When telescopic shaft counter motion, flabellum can be driven to recycle, see Fig. 4.
The second control mechanism is equipped between braced frame in the base 7 and wind power generator oar blade 1 of the booster fan.
The door 2 or the edge Hatch Opening 1a of the wind power generator oar blade, which are equipped with, stretches out wind-force hair for booster fan main shaft 5
The groove-type channel of motor blade, and it is equipped with the flapper for closing the groove-type channel；Flapper can pass through connecting rod or cunning
Road is mounted on wind power generator oar blade inner wall, and is driven by servo motor.
As a preferred embodiment, second control mechanism uses one group of worm couple；Worm screw 9b and control snail
The driving motor of bar is mounted in wind power generator oar blade braced frame, and worm gear 9a is fixedly connected on transverse axis, and is nibbled with worm screw
It closes；The end of the horizontal axis 8 and the braced frame of wind power generator oar blade 1 are rotatably connected cooperation.
As another preferred solution, first power unit 10 of control telescopic shaft movement uses electric power push rod, stretches
6 end of axis is equipped with one group of thrust bearing, and the shell of electric power push rod is fixed on the base 7 of booster fan, the activity of electric power push rod
The connection of the bearing block 11 or bearing bracket stand of boom end and thrust bearing.
When wind speed exceeds effective wind speed range lower than 3m/s() when, booster fan power-assisted need to be started；Opening door 2, second
Control mechanism drives horizontal axis 8 and base 7 to rotate around the axis of horizontal axis, overturns booster fan to main shaft 5 and wind-driven generator paddle
The axis of leaf 1 is vertical, and flabellum 3 stretches out Hatch Opening 1a, closes door, main shaft 5 stretches out wind power generator oar blade by groove-type channel at this time
(see figure 2)；Start the first power unit 10 electric power push rod driving telescopic shaft 6 protract, stir flabellum opening, make booster fan into
Enter working condition.When wind speed meets generator operation condition, booster fan is taken in wind-power electricity generation by above process reverse operating
In machine paddle chamber, door is closed, and groove-type channel is closed by flapper.
Embodiment 2
As can be seen from Figure 5, the present embodiment difference from example 1 is that, the end of the horizontal axis 8 is equipped with one can be around horizontal axis axis
The sliding rack 13 of line rotation, the intracavitary braced frame of wind power generator oar blade are equipped with guide rail 12；The sliding rack 13 with lead
Rail 12 is slidably matched, and makes sliding rack 13 that can move along the rail close or remote from blade Hatch Opening 1a；The worm gear 9a and horizontal axis 8 is solid
Fixed connection, worm screw 9b and its driving device are assemblied on sliding rack 13.
The sliding rack 13 is connect with the second power unit 14 being assemblied in wind power generator oar blade braced frame, is driven
Dynamic sliding rack moves along the rail.Preferably, second power unit 14 uses electric power push rod or hydraulic mandril.
This embodiment scheme can be used for the relatively narrow blade in section, can be along guide rail by power-assist under booster fan recycling state
Blower is moved to the biggish position in mid blade space.
The other technical characteristics of the present embodiment are same as Example 1.
It is above schematical rather than form by the detailed description that preferred embodiment carries out technical solution of the present invention
On limitation.Those skilled in the art, can be to technology documented by embodiment on the basis of reading description of the invention
Scheme is modified or equivalent replacement of some of the technical features, and these are modified or replaceed, and does not make corresponding
The essence of technical solution is detached from the range of technical solution of the embodiment of the present invention.
Claims (10)
1. a kind of wind power generator oar blade power assisting device, it is characterised in that: including wind power generator oar blade free end is arranged in
Hatch Opening, the door for being assemblied in Hatch Opening, booster fan, for booster fan flabellum folding and unfolding the first control mechanism, be used for power-assist wind
Second control mechanism of machine overturning；
The base of the booster fan is equipped with horizontal axis, and base is assemblied in the support frame in wind power generator oar blade cavity by horizontal axis
On frame；
The flabellum of booster fan and the main shaft of booster fan are articulated and connected, and the main shaft of booster fan is equipped with the first control mechanism, institute
The flabellum of the first control mechanism and booster fan stated connects and drives flabellum expansion and folding；
It is equipped with the second control mechanism between the base of the booster fan and the braced frame inside wind power generator oar blade, works
The second control mechanism driving booster fan is rotated around the axis of horizontal axis under state, makes booster fan flabellum by wind power generator oar blade
Hatch Opening stretch out；
The Hatch Opening or door is equipped with the groove-type channel that wind power generator oar blade is stretched out for booster fan main shaft.
2. a kind of wind power generator oar blade power assisting device according to claim 1, it is characterised in that: first control
Mechanism includes the first power unit of the telescopic shaft and control telescopic shaft movement for controlling flabellum folding and unfolding；
The main shaft of booster fan is equipped with hollow channel, and the front-end of spindle is equipped with blade rack, main shaft end and booster fan
Motor connection；The telescopic shaft is inserted into the hollow channel of main shaft, and telescopic shaft both ends stretching main shaft is simultaneously coaxial with main shaft
Assembly；Telescopic shaft is connect by spline with main shaft and can be slid axially along main shaft with merging；
Each flabellum root of booster fan is fixed with control arm, and the free end of control arm is equipped with sliding block or pulley；Before telescopic shaft
End is equipped with detent sliding slot corresponding with booster fan flabellum position, the first power of stretch shaft end and control telescopic shaft movement
Unit connection；
The radial laying of booster fan flabellum, flabellum root and blade rack are articulated and connected, the sliding block of control arm free end or
The detent sliding slot of pulley and telescopic shaft is engaged by clamping, and can slide along detent sliding slot.
3. a kind of wind power generator oar blade power assisting device according to claim 2, it is characterised in that: the detent sliding slot
It is vertical with telescopic shaft axis.
4. a kind of wind power generator oar blade power assisting device according to claim 2, it is characterised in that: control telescopic shaft movement
First power unit use electric power push rod, the shaft end that stretches is equipped with one group of thrust bearing, and the both ends of electric power push rod are distinguished
It is connect with the base of the bearing block of thrust bearing and booster fan.
5. a kind of wind power generator oar blade power assisting device according to claim 1, it is characterised in that: the groove-type channel
Equipped with the flapper for closing the groove-type channel.
6. a kind of wind power generator oar blade power assisting device according to claim 1, it is characterised in that: second control
Mechanism uses one group of worm couple.
7. a kind of wind power generator oar blade power assisting device according to claim 6, it is characterised in that: the horizontal axis end with
The braced frame of wind power generator oar blade is rotatably connected cooperation, and worm gear and worm screw are respectively assembled at horizontal axis and wind-driven generator paddle
In braced frame in phyllocyst.
8. a kind of wind power generator oar blade power assisting device according to claim 6, it is characterised in that: the end of the horizontal axis
The sliding rack that can be rotated around horizontal axis axis equipped with one, the intracavitary braced frame of wind power generator oar blade are equipped with guide rail, sliding rack
Being slidably matched with guide rail makes sliding rack that can become close or remote from Hatch Opening；Worm gear is fixedly connected with horizontal axis, the driving dress of worm screw and worm screw
It sets and is assemblied on sliding rack.
9. a kind of wind power generator oar blade power assisting device according to claim 8, it is characterised in that: the sliding rack with
The the second power unit connection being assemblied in wind power generator oar blade inner support frame, driving sliding rack move along the rail.
10. a kind of wind power generator oar blade power assisting device according to claim 9, it is characterised in that: described second is dynamic
Power unit uses electric power push rod or hydraulic mandril.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515741.8A CN109458297B (en) | 2018-12-12 | 2018-12-12 | Blade booster of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515741.8A CN109458297B (en) | 2018-12-12 | 2018-12-12 | Blade booster of wind driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109458297A true CN109458297A (en) | 2019-03-12 |
| CN109458297B CN109458297B (en) | 2024-06-14 |
Family
ID=65613061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811515741.8A Active CN109458297B (en) | 2018-12-12 | 2018-12-12 | Blade booster of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109458297B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002077449A1 (en) * | 1999-11-11 | 2002-10-03 | Hitachi Zosen Corporation | Propeller type windmill for power generation |
| CN102348889A (en) * | 2008-08-22 | 2012-02-08 | 自然动力概念公司 | Folding blade turbine |
| DE102010041520A1 (en) * | 2010-09-28 | 2012-03-29 | Repower Systems Se | Rotor blade for wind energy plant, has control unit that is provided to control angle of incidence of main portion in region of retention device along rotation direction of main portion |
| JP2012251543A (en) * | 2011-06-02 | 2012-12-20 | Masashi Otake | Wind power generator to control fan rotation using strength of wind force |
| CN209838594U (en) * | 2018-12-12 | 2019-12-24 | 王茂成 | Power assisting device for blade of wind driven generator |
-
2018
- 2018-12-12 CN CN201811515741.8A patent/CN109458297B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002077449A1 (en) * | 1999-11-11 | 2002-10-03 | Hitachi Zosen Corporation | Propeller type windmill for power generation |
| CN102348889A (en) * | 2008-08-22 | 2012-02-08 | 自然动力概念公司 | Folding blade turbine |
| DE102010041520A1 (en) * | 2010-09-28 | 2012-03-29 | Repower Systems Se | Rotor blade for wind energy plant, has control unit that is provided to control angle of incidence of main portion in region of retention device along rotation direction of main portion |
| JP2012251543A (en) * | 2011-06-02 | 2012-12-20 | Masashi Otake | Wind power generator to control fan rotation using strength of wind force |
| CN209838594U (en) * | 2018-12-12 | 2019-12-24 | 王茂成 | Power assisting device for blade of wind driven generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109458297B (en) | 2024-06-14 |
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