CN107762732A - A kind of device improved for large scale wind power machine flexible blade aeroperformance - Google Patents
A kind of device improved for large scale wind power machine flexible blade aeroperformance Download PDFInfo
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- CN107762732A CN107762732A CN201711014293.9A CN201711014293A CN107762732A CN 107762732 A CN107762732 A CN 107762732A CN 201711014293 A CN201711014293 A CN 201711014293A CN 107762732 A CN107762732 A CN 107762732A
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- 230000004044 response Effects 0.000 claims abstract description 29
- 238000012544 monitoring process Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 230000010354 integration Effects 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims description 17
- 230000006872 improvement Effects 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 7
- 238000012552 review Methods 0.000 claims description 6
- 230000002411 adverse Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 1
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- 238000013461 design Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000005669 field effect Effects 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- 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
- F03D7/04—Automatic control; Regulation
-
- 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
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- 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
-
- 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
- F03D7/0296—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor to prevent, counteract or reduce noise emissions
-
- 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
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
-
- 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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- Engineering & Computer Science (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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to a kind of device improved for large scale wind power machine flexible blade aeroperformance, including blade aero-elastic response monitoring system, data integration processing system, blade steering system, additional mass adjustment system and swirl generating system.Wherein blade aero-elastic response monitoring system by monitoring intelligent control unit, data acquisition unit, sensor group into, data integration processing system is made up of response converter, vibration modal identification device, directive generation module, blade steering system is made up of control receiver, pose adjustment module, mechanical-stretching arm, fixing bolt, additional mass adjustment system is made up of control receiver, header tank, water-supply-pipe, flow control valve, and vortex generator is by eddy generator, tandem bolt, rail row device.This method is applied to wind energy conversion system safe design field, can effectively suppress the gas bullet phenomenon that ultra-large type wind energy conversion system flexible blade occurs in flow field, ensures safe operation of the wind energy conversion system under all kinds of natural flow field effects.
Description
Technical field
The present invention relates to Wind Engineering technical field, and in particular to one kind changes for large scale wind power machine flexible blade aeroperformance
Kind device.
Background technology
In recent years, as increasingly rise of the China to clean energy resource demand, wind energy conversion system design-build technology improve constantly, its
Power output is also constantly increasing, from the 5~6MW of initial 1.5MW by now, or even the following 10MW wind that may be come into operation
Power machine.The raising of wind energy conversion system power output so that its blade radius of gyration extends to present 90m, blade from 30m in the early time
Increasingly softization.In the process, the wind sensitiveness of blade further enhances, and fluid structurecoupling occurs between flow field and structure blade
Frequency gradually rises, its blade static(al) torsional buckling, wave, be shimmy, the unfavorable gas bullet phenomenon such as torsional oscillation becomes increasingly conspicuous, this will be very big
The safety of wind energy conversion system operation is influenceed in degree.
Blade aerodynamic improves device, is a kind of by the real-time recording responses information of monitoring system, and pass through data integration mould
Block realizes the intelligence system of blade wind dynamic control, is used for ultra-large type wind energy conversion system, to control blade to wave, shimmy, torsional oscillation etc.
Unfavorable gas bullet phenomenon, and realize wind field Data Collection.Existing wind dynamic control equipment, is used in Longspan Bridge engineering, and more
Based on passive Mechanical course measure and aerodynamic Measures, i.e., by central slot, set up the measure controls such as deflector, setting damper
The wind field response of bridge subsection or suspension rod processed, can not actively adapt to the change of the Wind parameters in wind such as the wind angle of attack, yaw angle, for super large
The aerodynamic response of type wind energy conversion system flexible blade, the present invention propose that one kind can active control a variety of blade aerodynamic response, in real time records
The pneumatic improvement device of data.
The content of the invention
The invention aims to suppress the incident unfavorable gas bullet phenomenon of ultra-large type wind energy conversion system flexible blade, and provide
It is a kind of it is easy to assembly, improve device suitable for multiclass wind field operating mode, the horizontal high aeroperformance of operation automation.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of device for large scale wind power machine blade aerodynamic performance improvement, including blade aero-elastic response monitoring system, number
According to integrated processing system, blade steering system, additional mass adjustment system and the part of swirl generating system five.
The blade aero-elastic response monitoring system by monitoring intelligent control unit, data acquisition unit, sensor group into.Institute
The data acquisition that monitoring intelligent control unit completes respective sensor to control data collecting unit is stated, including：Blade strain,
Structural stress, speed, acceleration, displacement, deflection angle, and possess data communication function.
The data integration processing system is generated by response converter, review contrast module, vibration modal identification device, instruction
Module forms.Blade measured displacements data are converted into blade Plane of rotation intrinsic displacement and perpendicular to leaf by the response converter
The displacement of piece Plane of rotation；The review contrast module is based on surveyed deflection angle at different moments, blade displacement numerical value is calculated, with real
Data comparison is surveyed, to ensure the reliability of aero-elastic response monitoring system；The vibration modal identification device is to according to number of responses
It is judged that blade gas bullet form, such as：Wave, shimmy or torsional oscillation, and judge blade whether in unfavorable forms such as flutters；The finger
Generation module is made, based on the angle of attack and Rigidity Calculation module, to generate all kinds of machines according to vibration modal identification device and blade safety limit
Tool control instruction reaches blade steering system, additional mass adjustment system and swirl generating system.
The blade steering system is made up of control receiver, mechanical steering arm, ring bolt, posture collector.It is described
Control receiver turns to receive data transmitted by directive generation module according to initial blade position data control machinery
Arm, to recover the initial angle of attack of blade, mechanical steering arm stage casing is made up of steering bearing and screens damping unit；The ring spiral shell
Bolt is to solid mechanical steering arm lower end and the rigid connection of wind energy conversion system agent structure；The posture collector is feeding back real-time adjustment
As a result；To draw Adjustment effect and make next successive step evaluation.
The additional mass adjustment system is made up of control receiver, header tank, water-supply-pipe, flow control valve.The control
Receiver processed controls header tank, to be noted into blade cavity by water-supply-pipe to receive data transmitted by directive generation module
Water；The flow control valve is used for controlled loading speed, is moved with increasing blade aerodynamic rigidity so as to cut down blade gas sticking position.
The vortex generator is by eddy generator, tandem bolt, rail row device.The eddy generator induces whirlpool to generate,
The flow separation under resistance adverse pressure gradient is realized, the momentum between high energy fluid in boundary layer outside low energy fluid and main flow
Exchange；The tandem bolt is to fixed eddy generator group；The rail row device is controlling eddy generator in blade diverse location
Movement.
Compared with prior art, the present invention has advantages below：
The present invention is applied to ultra-large type wind energy conversion system flexible blade, and device is comprehensive, parameter can show controllable, and operation can autonomous intelligence
Or wireless remote control, be advantageous to the normal operation of wind energy conversion system facility；Its data control system can realize that Full Parameterized actively adapts to
Design.
Brief description of the drawings
Fig. 1 is total system logical construction schematic diagram of the present invention.
Fig. 2 is the brief layout drawing of blade.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
A kind of device for large scale wind power machine blade aerodynamic performance improvement, structured flowchart of the invention is as shown in figure 1, bag
Include blade aero-elastic response monitoring system, data integration processing system, blade steering system, additional mass adjustment system and vortex hair
Raw system：
The blade aero-elastic response monitoring system is by monitoring intelligent control unit 1, data acquisition unit 2,3 groups of sensor
Into；Described monitoring intelligent control unit 1, gathered to control data；The sensor 3 should for measuring pneumatic equipment bladess
Power, strain, speed, acceleration, deflection angle, displacement information；The data acquisition unit 2 is that the data supporting with sensor 3 are adopted
Collect equipment.
The data integration processing system is by response converter 4, review contrast module 5, vibration modal identification device 6, instruction
Generation module 7 forms, response converter 4 by blade measured displacements data, be converted into blade Plane of rotation intrinsic displacement and perpendicular to
The displacement of blade Plane of rotation；Check contrast module 5 and be based on surveyed deflection angle at different moments, calculate blade displacement numerical value, with real
Data comparison is surveyed, to ensure the reliability of aero-elastic response monitoring system；Vibration modal identification device according to response data sentencing
Disconnected blade gas bullet form, such as：Wave, shimmy or torsional oscillation, and judge blade whether in unfavorable forms such as flutters；Instruction generation mould
Block 7, based on the angle of attack and Rigidity Calculation module, generates all kinds of Mechanical courses and referred to according to vibration modal identification device and blade safety limit
Order reaches blade steering system, additional mass adjustment system and swirl generating system.
The blade steering system is by control receiver 8, mechanical steering arm 9, ring bolt 10,11 groups of posture collector
Into control receiver 8 turns to receive data transmitted by directive generation module according to initial blade position data control machinery
To arm, to recover the initial angle of attack of blade, mechanical steering arm stage casing damps 13 devices by steering bearing 12 and screens and formed；Ring
Bolt 10 is to solid mechanical steering arm lower end and the rigid connection of wind energy conversion system agent structure；Posture collector 11 is feeding back real-time tune
Whole result；To draw Adjustment effect and make next successive step evaluation.
The additional mass adjusts system by control receiver 14, header tank 15, water-supply-pipe 16,17 groups of flow control valve
Into control receiver 14 controls header tank 15, to pass through into blade cavity to receive data transmitted by directive generation module
The water filling of water-supply-pipe 16, flow control valve 17 are used for controlled loading speed, cut down blade gas bullet to increase blade aerodynamic rigidity
Displacement.
The vortex generator is by eddy generator 18, tandem bolt 19, rail row device 20.Eddy generator 18 induces to generate
Whirlpool, the flow separation under resistance adverse pressure gradient is realized, between the high energy fluid in boundary layer outside low energy fluid and main flow
Momentum-exchange；Tandem bolt 19 is to fixed eddy generator group；Rail row device 20 is controlling eddy generator in blade diverse location
Movement.
Being controlled by intelligence system, the device can effectively reduce the wind vibration response of flexible blade, and according to real time data,
Obtain influence and the wind load performance variation law that blade flow field develops.
It is described above, only it is presently preferred embodiments of the present invention, any formal limitation not is made to the present invention, it is any ripe
Professional and technical personnel is known, it is without departing from the scope of the present invention, real to more than according to the technical spirit of the present invention
Apply any simple modification, equivalent substitution that example made and improve etc., still fall within technical solution of the present invention protection domain it
It is interior.
Claims (8)
1. a kind of device for large scale wind power machine blade aerodynamic performance improvement, it is characterised in that supervised including blade aero-elastic response
Examining system, data integration processing system, blade steering system, additional mass adjustment system and the part of swirl generating system five, its
In：
Described blade aero-elastic response monitoring system is used for the measured data for obtaining blade load and wind field response message；
Described data integration processing system is used to handle measured data expansion, blade vibration mode is analyzed, according to blade knot
Structure safety limit, output safety control instruction are to the blade steering system, additional mass adjustment system and vortex
System；
The blade steering system is used to control blade incoming wind angle, to avoid least favorable wind angle of attack operating mode；
The additional mass adjustment system is used to increase blade stiffness, controls vibration strains energy, suppresses blade tip vibration；
The swirl generating system is used to generate induction whirlpool, to resist the flow separation under adverse pressure gradient.
A kind of 2. device for large scale wind power machine blade aerodynamic performance improvement according to claim 1, it is characterised in that
The blade aero-elastic response monitoring system by monitoring intelligent control unit, data acquisition unit, sensor group into；The monitoring intelligence
Energy control unit completes the data acquisition of respective sensor to control data collecting unit, including：Blade strain, structure should
Power, speed, acceleration, displacement, deflection angle, and possess data communication function.
A kind of 3. device for large scale wind power machine blade aerodynamic performance improvement according to claim 1, it is characterised in that
The data integration processing system is by response converter, review contrast module, vibration modal identification device, directive generation module group
Into；The response converter is by blade measured displacements data conversion into blade Plane of rotation intrinsic displacement and perpendicular to blade rotary flat
The displacement in face；The review contrast module is based on surveyed deflection angle at different moments, blade displacement numerical value is calculated, with measured data pair
Than to ensure the reliability of aero-elastic response monitoring system；The vibration modal identification device according to response data judging leaf
Piece gas bullet form, and judge blade whether in unfavorable forms such as flutters；The directive generation module is according to vibration modal identification
Device and blade safety limit, based on the angle of attack and Rigidity Calculation module, generate all kinds of Mechanical courses instructions reach blade steering system,
Additional mass adjusts system and swirl generating system.
A kind of 4. device for large scale wind power machine blade aerodynamic performance improvement according to claim 1, it is characterised in that
The blade steering system is made up of control receiver, mechanical steering arm, ring bolt, posture collector, and the control receives
Device is to receive data transmitted by directive generation module, and according to initial blade position data control machinery steering arm, to extensive
The initial angle of attack of compound leaf piece, the stage casing of the mechanical steering arm are made up of steering bearing and screens damping unit；The ring bolt
To solid mechanical steering arm lower end and the rigid connection of wind energy conversion system agent structure；The posture collector is tied to feed back adjustment in real time
Fruit；To draw Adjustment effect and make next successive step evaluation.
A kind of 5. device for large scale wind power machine blade aerodynamic performance improvement according to claim 1, it is characterised in that
The additional mass adjustment system is made up of control receiver, header tank, water-supply-pipe, flow control valve；The control receiver
To receive data transmitted by directive generation module, header tank is controlled, to pass through water-supply-pipe water filling into blade cavity；The stream
Control valve is used for controlled loading speed, is moved with increasing blade aerodynamic rigidity so as to cut down blade gas sticking position.
A kind of 6. device for large scale wind power machine blade aerodynamic performance improvement according to claim 1, it is characterised in that
The vortex generator is by eddy generator, tandem bolt, rail row device；The eddy generator realizes resistance to generate induction whirlpool
Flow separation under adverse pressure gradient, the momentum-exchange between high energy fluid in boundary layer outside low energy fluid and main flow；Institute
Tandem bolt is stated to fixed eddy generator group；The rail row device is controlling movement of the eddy generator in blade diverse location.
A kind of 7. device for large scale wind power machine blade aerodynamic performance improvement according to claim 3, it is characterised in that
The review contrast module of the data integration processing system is based on the conversion between deflection angle and displacement, it is possible to achieve monitoring in real time
The normal operation of system.
A kind of 8. device for large scale wind power machine blade aerodynamic performance improvement according to claim 5, it is characterised in that
Described additional mass adjustment system can respond according to blade vibration, blade aerodynamic rigidity be controlled using water body, to cut down leaf
Piece wind vibration response.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711014293.9A CN107762732B (en) | 2017-10-25 | 2017-10-25 | A kind of device improved for large scale wind power machine flexible blade aeroperformance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711014293.9A CN107762732B (en) | 2017-10-25 | 2017-10-25 | A kind of device improved for large scale wind power machine flexible blade aeroperformance |
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| Publication Number | Publication Date |
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| CN107762732A true CN107762732A (en) | 2018-03-06 |
| CN107762732B CN107762732B (en) | 2019-08-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101903646A (en) * | 2007-12-21 | 2010-12-01 | 维斯塔斯风力系统有限公司 | Active flow control device and method for affecting a fluid boundary layer of a wind turbine blade |
| US20130156577A1 (en) * | 2011-12-15 | 2013-06-20 | Thomas Esbensen | Method of controlling a wind turbine |
| CN106768917A (en) * | 2016-11-23 | 2017-05-31 | 中国科学院工程热物理研究所 | A kind of pneumatic equipment bladess scene load test and appraisal procedure |
-
2017
- 2017-10-25 CN CN201711014293.9A patent/CN107762732B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101903646A (en) * | 2007-12-21 | 2010-12-01 | 维斯塔斯风力系统有限公司 | Active flow control device and method for affecting a fluid boundary layer of a wind turbine blade |
| US20130156577A1 (en) * | 2011-12-15 | 2013-06-20 | Thomas Esbensen | Method of controlling a wind turbine |
| CN106768917A (en) * | 2016-11-23 | 2017-05-31 | 中国科学院工程热物理研究所 | A kind of pneumatic equipment bladess scene load test and appraisal procedure |
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| CN107762732B (en) | 2019-08-13 |
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