CN102953941B - Wind electricity blade assembly and the regulating method of liquid adjusting vane quality is passed through with many pipelines - Google Patents
Wind electricity blade assembly and the regulating method of liquid adjusting vane quality is passed through with many pipelines Download PDFInfo
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- CN102953941B CN102953941B CN201210470533.7A CN201210470533A CN102953941B CN 102953941 B CN102953941 B CN 102953941B CN 201210470533 A CN201210470533 A CN 201210470533A CN 102953941 B CN102953941 B CN 102953941B
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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 invention discloses a kind of with many pipelines by the wind electricity blade assembly of liquid adjusting vane quality and regulating method, blade is provided with many end of blade pipelines, each root end of blade pipeline extends to tip from root of blade, root of blade is provided with the first header communicated with many end of blade pipelines, annular shunt is provided with around wind driven generator principal shaft, the output terminal of described annular shunt communicates with the first header of multiple blade respectively, the input end of described annular shunt be connected be arranged on wind-driven generator tower frame inside store liquid case.When incoming flow wind speed is equal to or greater than rated wind speed, controller controls the Liquid transfer that stores in liquid case in many pipelines in blade to increase the quality of blade; Otherwise controller controls many ducted liquid in blade and flows back to afterbody header.
Description
[technical field]
The present invention relates to technical field of wind power generating equipment, particularly relate to a kind of with to root pipeline by the wind electricity blade assembly of liquid adjusting vane quality and regulating method.
[background technique]
Along with the requirement of the mankind to ecotope and the needs to the energy, the exploitation of wind energy comes into one's own day by day, and wind-power electricity generation is by one of a kind of renewable and clean energy resource becoming 21 century large-scale development.Wind energy is as the one of renewable energy sources, quite abundant the reserves of China.Along with people are to the continuous maturation of improving constantly of being familiar with of wind-power electricity generation and small-size wind power-generating technology, its application is also more and more extensive.
Wind-driven generator is the electricity generating device utilizing the wind energy of occurring in nature to make it to be converted into electric energy.Wind power generating set is operated in certain wind speed range, in many cases, no matter require how wind energy conversion system ambient wind velocity changes, always rotating speed keeps constant or is no more than a certain limit value.Wind power generating set is after exceeding rated wind speed, due to the restriction of mechanical strength and the physical property such as generator, power electronics capacity, leaf quality can be improved, ensure that rotating speed maintains near rated speed, even if power stage remains near rating value, ensure that wind energy conversion system does not suffer damage.Wind speed is the amount that a randomness is very large, all may change in time with the change in season, even fast changing.By mechanics and kinology knowledge, pneumatic equipment blades made stabilized (steady-state) speed becomes " inverse ratio " relation with quality, and namely within the specific limits, pneumatic equipment blades made quality is larger, and under equal wind speed, himself rotating speed is lower.
Current power mode mainly can be divided into stall-adjusted and feather two kinds.Although stall-adjusted structure is simple, easy to maintenance, cabin is heavier, and greatly, basis is large, cost is high for transport and hoisting difficulty; Pitch mechanism is stressed minimum, main frame and pylon lightweight, transport and hoisting difficulty little, but the system architecture of feather is complicated, and rate of fault is slightly high, higher to operation, manager-related factors requirement.
[summary of the invention]
The object of the invention is to overcome above-mentioned prior art not enough, provide a kind of with the wind electricity blade assembly of many pipelines by liquid adjusting vane quality, automatic adjusting vane quality, thus make wheel speed more stable.
For achieving the above object, the invention provides a kind of with the wind electricity blade assembly of many pipelines by liquid adjusting vane quality, blade is provided with many end of blade pipelines, each root end of blade pipeline extends to tip from root of blade, root of blade is provided with the first header communicated with many end of blade pipelines, annular shunt is provided with around blower fan main shaft, the output terminal of described annular shunt communicates with the first header of multiple blade respectively, the input end of described annular shunt be connected be arranged on wind-driven generator tower frame inside store liquid case.
As the preferred embodiments of the present invention, described end of blade pipeline from root of blade to vane tip be convergent extend;
As the preferred embodiments of the present invention, described many end of blade pipelines are symmetrical centered by axis of runner blade;
As the preferred embodiments of the present invention, described many end of blade pipelines collect in vane tip, and are fixed on blade cavity in by gusset plate by end of blade pipeline in vane tip;
As the preferred embodiments of the present invention, described end of blade pipeline and the first header joint are provided with the first solenoid valve controlled by controller;
As the preferred embodiments of the present invention, described blade assembly includes forward pump and reversing pump further, and this forward pump and reversing pump are connected to the second solenoid valve and the 3rd solenoid valve, controls the flow direction of the liquid stored in liquid case;
A kind of with the regulating method of many pipelines by liquid adjusting vane quality, blade is provided with many end of blade pipelines, root of blade is provided with the first header communicated with many end of blade pipelines, annular shunt is provided with around wind driven generator principal shaft, the output terminal of described annular shunt communicates with the first header of multiple blade respectively, the input end of described annular shunt communicates with the liquid case that stores being arranged on wind-driven generator tower frame inside, the joint of described first header and end of blade pipeline is provided with the switch controlled by controller, the described liquid case that stores is connected with the forward pump and reversing pump that are connected with controller, when incoming flow wind speed is equal to or greater than rated wind speed, controller control switch is opened, and forward pump is in running order, makes to store Liquid transfer in liquid case in blade pipeline to increase the quality of blade, otherwise controller control switch is opened, and reversing pump is in running order, the liquid in blade pipeline is flowed back to and stores liquid case.
As the preferred embodiments of the present invention, described switch is solenoid valve;
As the preferred embodiments of the present invention, be provided with second switch between described afterbody pipeline and annular shunt and whether rearwardly reflux in pipeline to control liquid in the afterbody pipeline liquid whether in blade in conveying or blade.
The present invention by adjusting leaf quality to the mode of the freeze proof liquid of blade interior Cemented filling, can make wheel speed remain near rating value and not exceeding the speed limit under the incoming flow wind speed exceeding rated wind speed.The layout of end of blade pipeline can play to blade the effect strengthening rigidity simultaneously, makes wind energy conversion system can bear more large impact.
[accompanying drawing explanation]
Fig. 1 is vacuum side of blade structural representation of the present invention;
Fig. 2 is root of blade, tip schematic cross-section; Wherein, Fig. 2-1 is the sectional view along A-A line in Fig. 1, and Fig. 2-2 is the sectional views along B-B line in Fig. 1;
Fig. 3 is annular shunt schematic cross-section;
Fig. 4 is the connection diagram of afterbody pipeline, header, pumping system;
Label in figure represents respectively: 1, blade body; 2, end of blade pipeline; 3, gusset plate; 4, blade tip collection chamber; 5, the first header; 6, the first solenoid valve; 7, blower fan main shaft; 8, annular shunt; 9, second switch; 10, forward pump and reversing pump; 11, the second solenoid valve; 12, the 3rd solenoid valve; 13, afterbody pipeline; 14, liquid case is stored; 15, controller; 16, anemoscope.
Embodiment
Below in conjunction with accompanying drawing, content of the present invention is described in further detail.
The invention provides a kind of with the wind electricity blade assembly of many pipelines by liquid adjusting vane quality, by end of blade pipeline 2, gusset plate 3, blade tip collection chamber 4, first header 5, first solenoid valve 6, annular shunt 8, afterbody pipeline 13, second switch 9, forward pump and reversing pump 10, second solenoid valve 11, the 3rd solenoid valve 12, store liquid case 14, anemoscope 16 and controller 15 and jointly form.Many described end of blade pipelines are arranged along blade of wind-driven generator axisymmetrical, and collect in vane tip direction, be stably fixed at blade cavity inside by gusset plate, arrange the first header at root of blade, ingress is provided with the first electromagnetic valve opening and closing.The freeze proof fluid of each pipeline is led in first header uniform distribution, also plays the effect of fixing tube at root.Arrange annular shunt around blower fan main shaft, output terminal connects the first header distributing fluids equably of three groups of blade pipelines.The present invention can realize the quality adjustment of blade of wind-driven generator, simultaneously can the rigidity of reinforced blade, makes its load that can bear bigger bending moment.
A kind of function that can be realized automatic adjusting vane quality with many pipelines by the wind electricity blade assembly of liquid adjusting vane quality provided by the present invention, thus make wheel speed more stable.When incoming flow wind speed reach and gradually higher than rating value time, the blade of wind-driven generator assembly that the present invention relates to can send freeze proof medium to the first header (5) that blade three groups of end of blade pipelines (2) are corresponding respectively, increase the quality of blade, reach the object of stabilization vane wheel speed; When wheel hub wind speed is lower than rated wind speed, it is defeated that freeze proof fluid returns the first header from end of blade pipeline, then inflow stores liquid case (14), makes blade keep original weight, ensures that blower fan runs near rated speed.Owing to containing many pipelines in blade, the change controlling leaf quality is more remarkable, and the arrangement mode of pipeline has good opposing effect to bending blade distortion.First header of root of blade ensures to each pipeline distributing fluids even, operatively avoids the unbalance vibration because non-uniform mass produces.
For achieving the above object, the invention provides a kind of with the wind electricity blade assembly of many pipelines by liquid adjusting vane quality, this blade comprises end of blade pipeline, gusset plate, blade tip collection chamber, the first header, the first solenoid valve, annular shunt, afterbody pipeline, second switch, forward pump and reversing pump, the second solenoid valve, the 3rd solenoid valve, stores liquid case, anemoscope and controller.Many described pipelines are arranged along blade of wind-driven generator axisymmetrical, come together in most advanced and sophisticated collection chamber, in the middle part of blade, be stably fixed at blade cavity inside by gusset plate in vane tip direction; Root of blade arranges the first header, and ingress is provided with the first electromagnetic valve opening and closing.The freeze proof fluid of each pipeline is led in first header uniform distribution, also plays the effect of fixing tube at root.Annular shunt is arranged, to the first header distributing fluids equably of three groups of blade pipelines around wind driven generator principal shaft.The annular shunt the other end connects afterbody pipeline towards storing liquid case, and a point positive and negative two-way connects, and all there are pump (forward pump, reversing pump) and electromagnetic valve in each road.All pumps and solenoid valve receive anemoscope signal by controller after computing, send instruction control.
Claims (6)
1. one kind is passed through the wind electricity blade assembly of liquid adjusting vane quality with many pipelines, it is characterized in that: blade body (1) is provided with many end of blade pipelines (2), each root end of blade pipeline extends to tip from root of blade, root of blade is provided with the first header (5) communicated with many end of blade pipelines, wind driven generator principal shaft (7) is provided with annular shunt (8) around, the output terminal of described annular shunt communicates with the first header of multiple blade respectively, the input end of described annular shunt be connected be arranged on wind-driven generator tower frame inside store liquid case (14), described end of blade pipeline (2) from root of blade to vane tip be convergent extend, described many end of blade pipelines are symmetrical centered by axis of runner blade.
2. wind electricity blade assembly as claimed in claim 1, is characterized in that: described many end of blade pipelines come together in blade tip collection chamber (4) in vane tip, and are fixed in blade cavity by end of blade pipeline by gusset plate (3) in vane tip.
3. wind electricity blade assembly as claimed in claim 1, is characterized in that: described end of blade pipeline and the first header joint are provided with the first solenoid valve (6) controlled by controller.
4. wind electricity blade assembly as claimed in claim 1, it is characterized in that: described blade assembly includes forward pump and reversing pump (10) further, this forward pump and reversing pump are connected to the second solenoid valve (11) and the 3rd solenoid valve (12), control the flow direction of the liquid stored in liquid case.
5. with the regulating method of many pipelines by liquid adjusting vane quality, it is characterized in that: blade body (1) is provided with many end of blade pipelines (2), root of blade is provided with the first header (5) communicated with many end of blade pipelines, blower fan main shaft (7) is provided with annular shunt (8) around, the output terminal of described annular shunt communicates with the first header of multiple blade respectively, the input end of described annular shunt communicates with the liquid case that stores being arranged on wind-driven generator tower frame inside, the joint of described first header and end of blade pipeline is provided with the switch controlled by controller (15), described forward pump that liquid case and controller control and the reversing pump (10) of storing is connected and leads to annular shunt (8), when incoming flow wind speed is equal to or greater than rated wind speed, controller control switch is opened, and forward pump is in running order, makes to store Liquid transfer in liquid case in blade pipeline to increase the quality of blade, otherwise controller control switch is opened, and reversing pump is in running order, the liquid in blade pipeline is flowed back to and stores liquid case.
6. regulating method as claimed in claim 5, is characterized in that: described switch is solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210470533.7A CN102953941B (en) | 2012-11-19 | 2012-11-19 | Wind electricity blade assembly and the regulating method of liquid adjusting vane quality is passed through with many pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210470533.7A CN102953941B (en) | 2012-11-19 | 2012-11-19 | Wind electricity blade assembly and the regulating method of liquid adjusting vane quality is passed through with many pipelines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102953941A CN102953941A (en) | 2013-03-06 |
| CN102953941B true CN102953941B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210470533.7A Expired - Fee Related CN102953941B (en) | 2012-11-19 | 2012-11-19 | Wind electricity blade assembly and the regulating method of liquid adjusting vane quality is passed through with many pipelines |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2612662C1 (en) * | 2016-01-19 | 2017-03-13 | Андрей Юрьевич Тенеков | Wind motor |
| CN110486222A (en) * | 2019-09-05 | 2019-11-22 | 国电联合动力技术有限公司 | A kind of anti-icing wind electricity blade and wind electricity blade prevent the method to freeze |
| CN112065652B (en) * | 2020-09-10 | 2022-02-18 | 中材科技风电叶片股份有限公司 | Wind power blade and wind turbine generator system |
| CN113623149B (en) * | 2021-07-26 | 2022-08-05 | 西安交通大学 | Wind power blade efficient ice melting system utilizing water latent heat |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1274677A (en) * | 1968-11-15 | 1972-05-17 | Dowty Rotol Ltd | Improvements in or relating to ram-air turbines |
| JP2006207566A (en) * | 2005-01-27 | 2006-08-10 | Junji Takahara | Propeller of wind power generator varying weight in accordance with wind velocity |
| CN201187411Y (en) * | 2008-04-29 | 2009-01-28 | 唐德尧 | Apparatus for actively controlling wind power generator paddle dynamic balance |
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Effective date of registration: 20210428 Address after: 226600 No.2, Anhai East Road, Dagong Town, Haian City, Nantong City, Jiangsu Province Patentee after: Nantong Lubo Automobile Parts Co.,Ltd. Address before: 710049 Xianning West Road, Shaanxi, China, No. 28, No. Patentee before: XI'AN JIAOTONG University |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20211119 |