CN104847584A - Automatic variable-pitch vertical axis wind turbine of stacked structure - Google Patents
Automatic variable-pitch vertical axis wind turbine of stacked structure Download PDFInfo
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- CN104847584A CN104847584A CN201510306838.8A CN201510306838A CN104847584A CN 104847584 A CN104847584 A CN 104847584A CN 201510306838 A CN201510306838 A CN 201510306838A CN 104847584 A CN104847584 A CN 104847584A
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- wind wheel
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- vertical axis
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
Disclosed is an automatic variable-pitch vertical axis wind turbine of a stacked structure. In the wind power field with a horizontal axis wind turbine as the mainstream, a wind turbine generator composed of the vertical axis wind turbine has unique advantages, and in some specific areas or positions, the vertical axis generator unit has better cost performance than the horizontal axis generator unit. The automatic variable-pitch vertical axis wind turbine is integrally low in device manufacturing cost, convenient to mount and maintain and low in noise and the like. While a common boosting type vertical axis wind turbine has the defects of poor starting performance, low wind energy utilization efficiency, poor risk avoiding performance in strong wind. The automatic variable-pitch vertical axis wind turbine of the stacked structure is provided with a wind direction guide plate and a wind wheel and uses the stacked structure to mount blades of the wind wheel. The wind turbine structurally has the advantages of existing vertical axis wind turbines, inherent defects of common vertical axis wind turbines are completely eliminated, and the automatic variable-pitch vertical axis wind turbine has remarkable technical advancement and excellent application prospect.
Description
[technical field]
The invention belongs to the wind generating unit technical field in New Green Energy source technology, relating to one has wind deflector, and wind wheel is stacked on top of one another structure, and blade can become the wind power generating set with vertical shaft of oar automatically.
[technical background]
In the wind-powered electricity generation field that horizontal-shaft wind turbine is main flow, over nearly 30 years, horizontal-shaft wind turbine has played huge effect.But due to the restriction of himself structural feature, make it there are some masty defects.As cabin is overweight; Tens tons of power generating equipments that even hundreds of ton is heavy will be lifted in tens meters even cabin in up to a hundred meters of high-altitudes; The tilting moment that pylon bears is very large, very high to the requirement of tower foundation; Thus overall cost is very high.The Wind turbines that vertical shaft (i.e. vertical shaft) wind energy conversion system is formed, in some region or position, has its structural clear superiority.Vertical axis wind electric unit has better cost performance than horizontal shaft wind-power unit, and namely vertical axis windmill has on the whole that device fabrication cost is low, installs, transport, easy to maintenance, the advantages such as noise is low.The present invention is a breakthrough improvement on ZL20142012724.8 utility model patent " upright shaft wind power generation plant " basis of main inventive people application, or perhaps the new structure of a upgrade version.There is the deficiencies such as resistance type blade efficiency is low, single layer structure not easily maximizes in ZL20142012724.8 patent.
[summary of the invention]
The object of the invention is to overcome that existing lifting upright shaft wind energy conversion system startability is poor, wind energy utilization is low, the defect of hedging ability and deficiency, provide a kind of novel laminated structure, blade automatically to become oar, vertical shaft (i.e. vertical shaft) wind energy conversion system with wind direction water conservancy diversion regulator plate.
The vertical axis windmill of stepped construction provided by the invention, automatically change oar, comprise and be arranged on wind wheel on bearing and main vertical shaft thereof by the main vertical shaft of wind wheel 1, the basis of wind wheel periphery is provided with one group of guide plate 6 by guide plate vertical shaft 8, and guide plate is for regulating and controlling Wind energy extraction amount and the wind direction of wind wheel; Described wind energy conversion system is stacked frame structure, the main vertical shaft of wind wheel has at least been installed in series two framing formula wind wheel and guide plates, every framing formula wind wheel is at least provided with three frameworks 15, is provided with a blade rotor 2 in each framework 15, every root blade rotor 2 is provided with a blade 3; Described guide plate 6 is rectangular, is fixed on guide plate vertical shaft bearing support with width direction near the position of wind wheel; The horizontal projection of each guide plate is equal with wind wheel radial plane angle, and each guide plate can around guide plate vertical shaft synchronous adjustment angle.
The blade 3 of described wind energy conversion system adopts automatic blade pitch device, each blade is equipped with a back shaft 2 i.e. blade rotor 2 in the vertical direction, blade rotor 2 is in the horizontal direction near blade inlet edge, be fixed on 1/4-1/3 place of blade, blade rotor 2 is arranged on wind wheel framework 15 by bearing, and wind wheel framework is respectively provided with a vane propeller-changing angle limit mechanism 7, with limit blade maximum change oar position near leaf position, under the force action of wind-force and centrifugal force, realize automatically becoming oar.
Described wind wheel is stacked in series structure, and the blade 3 of the every one deck wind wheel angle that all staggers is installed, and makes all blades 3 at radial equipartition on 360 degree of rotating cylindrical curved surfaces; Every layer of wind wheel is at least made up of three blades.
The main vertical shaft bearing support of described wind wheel is arranged on the structural bearings that is made up of guide plate vertical shaft 8, and guide plate vertical shaft 8 top adopts annular rigid construction to connect as one, and vertical shaft 1 main with wind wheel carries out radial rigidity and be connected respectively.
The key component of vertical axis windmill of the present invention and feature:
1. the structure of guide plate 6, installation form and regulate transmission
Outside this wind mill wind wheel rotational circle cylinder, be provided with 6 and above rectangular wind deflector 6, be arranged on guide plate vertical shaft 8 by bearing support.Outside guide plate, be provided with guide plate angle synchronization regulation loop configuration 5, it is connected with computer actuator 4, according to the tach signal on booster engine 10 high speed shaft, adjusts the angle of guide plate by the parameter of setting in good time.Actuator's motor reducer is by the angle of gear, tooth bar adjustment guide plate.
2. the stepped construction of wind wheel and effect thereof
Wind wheel in the present invention is at least made up of two-layer frame type wind wheel, the upper and lower arranged in dislocation of each layer wind wheel blade, forms stepped construction, which increases the convenience of the integral rigidity of wind energy conversion system and manufacture, transport.Another effect of stepped construction makes each layer wind wheel blade along 360 degree of uniform installations, to reduce the dead range of wind energy conversion system starting torque.
3. blade 3 pitch mechanism and effect thereof automatically
This pneumatic equipment blades made 3 is arranged in its wind wheel framework by its rotating shaft 2 and bearing.Near 1/4 ~ 1/3 place of its leading edge on the horizontal projection direction that this rotating shaft is fixed on blade.Above-mentioned wind wheel framework is provided with the position-limit mechanism 7 to blade rotation angle, and limit blade is at positive and negative 20 degree of range of motion.The superposition of both centrifugal force when rotating the thrust of blade and wind wheel by means of wind, realizes automatic feather.Blade shroud around its rotating shaft at wind wheel just to the front half part Cylinder Surface of wind upwind, present the positive propeller pitch angle of 0-20 degree, thus obtain larger starting torque and power coefficient; And under wind wheel the latter half part Cylinder Surface of wind direction, present the negative propeller pitch angle of 0-20 degree, can larger starting torque and wind energy utilization be obtained equally.Wind wheel blade plays the Maximum Constraint of propeller pitch angle positive and negative values change by the position-limit mechanism that its hard-wired horizontal support mechanism is arranged.
4. guide plate pastes photovoltaic cell plate structure and working method
According to mounting point and the prevailing wind direction of this type Wind turbines, select part wind deflector towards sunlight side sticking flexible photovoltaic battery panel, this battery plate is mainly the power autonomous storage battery of this Wind turbines and carries out charging use.During Wind turbines does not generate electricity, power autonomous storage battery can not may make Wind turbines work voluntarily because of self discharge dead electricity, and therefore mounting portion photovoltaic cell can guarantee that Wind turbines normally works.
5. the effect of guide plate vertical shaft 8
This guide plate vertical shaft 8 not only as supporting guide plate rotating vertical shaft thereon, also as the pylon of this wind energy conversion system, both as the structural bearings of wind wheel main vertical shaft 1 bearing support, also as the frame structure supplemental support of the main vertical shaft stability of wind wheel.
The advantage of patent of the present invention and beneficial effect
1, conductance plate has the Wind energy extraction amount increasing wind wheel, and realizes wind energy conversion system to wind, improves the function of wind energy utilization.The angle of each guide plate of synchronous adjustment, can control the rotating speed of air quantity and regulation and control wind wheel.When meeting violent typhoon, close guide plate (namely each guide plate forms annular steric barrier around its vertical shaft), protection wind generating unit is without prejudice.
2, wind wheel blade is by means of the superposition of centrifugal force and wind thrust, realize the automatic change oar of certain limit, namely blade adjusts propeller pitch angle automatically to obtain maximum starting torque and to improve wind energy utilization, thus makes device structure simple, reliable, durable, also reduces the manufacture cost of wind energy conversion system.
3, described wind energy conversion system, wind wheel is stacked on top of one another structure, every one deck wind wheel blade mutual dislocation, by 360 degree of uniform installations, all blades is distributed on 360 degree of rotating cylindrical curved surfaces, decreases the dead angle of wind energy conversion system starting torque.Improve the wind wheel startability of low wind speed.According to the watt level of Wind turbines, the number of plies of wind energy conversion system can be determined.
4, this guide plate vertical shaft is not only guide plate and is rotated support vertical shaft used, and also have the pylon effect of wind energy conversion system of the present invention concurrently, this group vertical shaft and the main vertical shaft of wind wheel carry out radial rigidity respectively and be connected in end, enhance rigidity and the stability of wind turbine system.The main vertical shaft bearing support of wind wheel is arranged on the structural bearings that is made up of guide plate vertical shaft.
[accompanying drawing explanation]
Fig. 1 is stepped construction, the vertical axis windmill plan view automatically becoming oar.
Fig. 2 is stepped construction, the vertical axis windmill front view automatically becoming oar.
Fig. 3 is vane propeller-changing structural representation.
In figure, 1. the main vertical shaft of wind wheel, 2. blade rotor, 3. blade, 4. guide plate adjustment actuating mechanism, 5. guide plate regulates loop configuration, 6. guide plate, 7. blade angle position-limit mechanism, 8. guide plate vertical shaft, 9. guide plate regulating connecting rod, note: 1. for guide plate opens maximum angle 2. for guide plate closes angle; 10. booster engine, 11. breaks, 12. coupling, 13. generators, 14. booster engines, generator erection support, 15. wind wheel frameworks.
[embodiment]
The vertical axis windmill of stepped construction, automatically change oar as depicted in figs. 1 and 2, comprise and be arranged on wind wheel on bearing and main vertical shaft thereof by the main vertical shaft of wind wheel 1, the basis of wind wheel periphery is provided with one group of guide plate 6 by guide plate vertical shaft 8, and guide plate is for regulating and controlling Wind energy extraction amount and the wind direction of wind wheel; Described wind energy conversion system is stacked frame structure, the main vertical shaft of wind wheel has at least been installed in series two framing formula wind wheel and guide plates, every framing formula wind wheel at least installs three frameworks, is provided with a blade rotor 2 in each framework, every root blade rotor is provided with a blade 3; Described guide plate is rectangular, is fixed on guide plate vertical shaft bearing support with width direction near the position of wind wheel; Each guide plate is equal with wind wheel radial plane angle in horizontal projection direction, and each guide plate can around guide plate vertical shaft synchronous adjustment angle.
Vertical axis windmill of the present invention has following creative feature.
1. the adjustable wind wheel Cylinder Surface periphery rotated at vertical axis windmill to wind deflector 6 structure (as shown in Figure 1, Figure 2), be provided with 6-16 sheet wind deflector 6, guide plate Vertical direction height is identical with wind mill wind wheel height, guide plate width is less than or equal to wind wheel radius, and guide plate thickness is as far as possible thin under the prerequisite meeting mechanical strength.Be fixed on guide plate vertical shaft 8 bearing support near the position of wind wheel with width direction.Angle radial with wind wheel is equal in horizontal projection direction for each guide plate, guide plate angle synchronization regulation loop configuration 5 is provided with outside guide plate, it is connected with computer actuator 4, each guide plate is connected with synchronization regulation loop configuration 5 by guide plate regulating connecting rod 9, can make each guide plate around its vertical shaft by computer actuator 4 synchronous adjustment angle, drive unit (i.e. actuator 4) and control system are arranged on guide plate vertical shaft 8 support.Drive unit by the angle () of gear, tooth bar adjustment guide plate in figure slightly.
2. the vertical shaft 8 of this wind energy conversion system wind deflector 6 not only supporting guide plate 6, simultaneously also as the longitudinal bracing pylon of wind energy conversion system entirety, wind wheel main vertical shaft 1 bearing support is arranged on the structural bearings that is made up of guide plate vertical shaft 8, guide plate vertical shaft 8 end adopts annular rigid construction to connect as one, and all main with wind wheel vertical shaft 1 end radial rigidity is connected, supplemental support wind mill wind wheel rotates around main vertical shaft 1.
3. this wind energy conversion system is at least made up of the wind wheel of two-layer laminate structure, stacked structure can be formed by multilayer wind wheel according to designing requirement, every layer has wind deflector and wind wheel, blade 3 quantity on wind wheel, according to design can be three or more, stagger an angle mutually in every layer of wind wheel blade 3 mounting point on rotation round, principle is that all blades add up and are uniformly distributed on 360 degree of rotating cylindrical curved surfaces.
4. the automatic pitch mechanism of blade (as Fig. 1, Fig. 3)
Every layer of wind wheel of this vertical axis windmill includes more than three and three lift-type blades 3, upper blade 3 is fixedly mounted in its rotating shaft 2 in the vertical direction, rotating shaft 2 is near leading edge 1/4-1/3 place in blade 3 substantially horizontal, and blade 3 is arranged on the wind wheel framework 15 of wind energy conversion system by rotating shaft 2 and bearing.This frame mechanism is provided with the position-limit mechanism 7 to blade 3 rotation angle, and with limit blade 3 along the inside or outside angle of swing of rotating shaft 2 rotating cylindrical curved surface, its angle is within positive and negative 20 degree.
5. guide plate pastes photovoltaic generation cell panel structure
On this vertical axis windmill guide plate, can select to install the one side sticking flexible photovoltaic generation battery plate towards solar direction, photovoltaic generation battery transmission pressure is flexible fixing derivation near guide plate vertical shaft.
Claims (4)
1. a stepped construction, the automatic vertical axis windmill becoming oar, comprise and be arranged on wind wheel on bearing and main vertical shaft thereof by the main vertical shaft of wind wheel, the basis of wind wheel periphery is provided with one group of guide plate by guide plate vertical shaft, and guide plate is for regulating and controlling Wind energy extraction amount and the wind direction of wind wheel; It is characterized in that, described wind energy conversion system is stacked frame structure, and the main vertical shaft of wind wheel has at least been installed in series two framing formula wind wheel and guide plates, and every framing formula wind wheel at least installs three frameworks, a blade rotor is installed in each framework, every root blade rotor installs a blade; Described guide plate is rectangular, is fixed on guide plate vertical shaft bearing support with width direction near the position of wind wheel; Each guide plate horizontal projection is equal with wind wheel radial plane angle, and each guide plate can around guide plate vertical shaft synchronous adjustment angle.
2. stepped construction according to claim 1, the vertical axis windmill of automatic change oar, it is characterized in that the blade of described wind energy conversion system adopts automatic blade pitch device, each blade is equipped with a back shaft and blade rotor in the vertical direction, blade rotor is in the horizontal direction near blade inlet edge, be fixed on 1/4-1/3 place of blade, blade rotor is arranged on wind wheel framework by bearing, wind wheel framework is respectively provided with a vane propeller-changing angle limit mechanism near leaf position, with limit blade maximum change oar position, realize automatically becoming oar under the force action of wind-force and centrifugal force.
3. the vertical axis windmill of stepped construction according to claim 1, automatically change oar, it is characterized in that described wind wheel is stacked in series structure, the blade of the every one deck wind wheel angle that all staggers is installed, and makes all blades at radial equipartition on 360 degree of rotating cylindrical curved surfaces; Every layer of wind wheel is at least made up of three blades.
4. the vertical axis windmill of stepped construction according to claim 1, automatically change oar, it is characterized in that the main vertical shaft bearing support of described wind wheel is arranged on the structural bearings that is made up of guide plate vertical shaft, guide plate vertical shaft top adopts annular rigid construction to connect as one, and vertical shaft main with wind wheel carries out radial rigidity and be connected respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510306838.8A CN104847584B (en) | 2015-06-04 | 2015-06-04 | A kind of stepped construction, the automatic vertical axis windmill for becoming oar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510306838.8A CN104847584B (en) | 2015-06-04 | 2015-06-04 | A kind of stepped construction, the automatic vertical axis windmill for becoming oar |
Publications (2)
| Publication Number | Publication Date |
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| CN104847584A true CN104847584A (en) | 2015-08-19 |
| CN104847584B CN104847584B (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510306838.8A Expired - Fee Related CN104847584B (en) | 2015-06-04 | 2015-06-04 | A kind of stepped construction, the automatic vertical axis windmill for becoming oar |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105026A (en) * | 2016-11-24 | 2018-06-01 | 伍开明 | Vertical axis windmill capable of automatically adjusting windward angle of wind wing by using centrifugal force |
| CN108561271A (en) * | 2018-06-29 | 2018-09-21 | 河北工业大学 | A kind of Combined vertical axis wind turbine |
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| CN201925087U (en) * | 2011-03-15 | 2011-08-10 | 嵇琳 | Vertical turbine with wind-collecting cover |
| EP2423500A1 (en) * | 2009-04-24 | 2012-02-29 | Valeriy Petrovich Vigaev | Wind energy installation |
| JP2012215148A (en) * | 2011-04-01 | 2012-11-08 | Isuzu Motors Ltd | Lift-type vertical axis wind turbine |
| WO2014152051A1 (en) * | 2013-03-14 | 2014-09-25 | Regenedyne LLC | System, apparatus and method for vertical axis wind turbines with laminar flow |
| CN104421100A (en) * | 2013-08-30 | 2015-03-18 | 雷万军 | Fixed wind deflector type vertical shaft wind-powered motor fan (blade) power system |
| CN204729229U (en) * | 2015-06-04 | 2015-10-28 | 张洪昌 | The vertical axis windmill of a kind of stepped construction, automatically change oar |
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2015
- 2015-06-04 CN CN201510306838.8A patent/CN104847584B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2423500A1 (en) * | 2009-04-24 | 2012-02-29 | Valeriy Petrovich Vigaev | Wind energy installation |
| CN201925087U (en) * | 2011-03-15 | 2011-08-10 | 嵇琳 | Vertical turbine with wind-collecting cover |
| JP2012215148A (en) * | 2011-04-01 | 2012-11-08 | Isuzu Motors Ltd | Lift-type vertical axis wind turbine |
| WO2014152051A1 (en) * | 2013-03-14 | 2014-09-25 | Regenedyne LLC | System, apparatus and method for vertical axis wind turbines with laminar flow |
| CN104421100A (en) * | 2013-08-30 | 2015-03-18 | 雷万军 | Fixed wind deflector type vertical shaft wind-powered motor fan (blade) power system |
| CN204729229U (en) * | 2015-06-04 | 2015-10-28 | 张洪昌 | The vertical axis windmill of a kind of stepped construction, automatically change oar |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105026A (en) * | 2016-11-24 | 2018-06-01 | 伍开明 | Vertical axis windmill capable of automatically adjusting windward angle of wind wing by using centrifugal force |
| CN108105026B (en) * | 2016-11-24 | 2019-11-22 | 伍开明 | Using centrifugal force reach can adjust automatically wind wing Windward angle vertical axis windmill |
| CN108561271A (en) * | 2018-06-29 | 2018-09-21 | 河北工业大学 | A kind of Combined vertical axis wind turbine |
| CN108561271B (en) * | 2018-06-29 | 2023-06-09 | 河北工业大学 | Combined vertical axis wind turbine |
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