CN106321358A - Wind turbine power generation control system - Google Patents
Wind turbine power generation control system Download PDFInfo
- Publication number
- CN106321358A CN106321358A CN201610821001.1A CN201610821001A CN106321358A CN 106321358 A CN106321358 A CN 106321358A CN 201610821001 A CN201610821001 A CN 201610821001A CN 106321358 A CN106321358 A CN 106321358A
- Authority
- CN
- China
- Prior art keywords
- wind speed
- power generation
- piston
- fan blade
- wind
- 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.)
- Pending
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000007789 sealing 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
-
- 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
- F03D7/0264—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for stopping; controlling in emergency situations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/90—Braking
- F05B2260/904—Braking using hydrodynamic forces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/32—Wind speeds
-
- 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)
- 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 invention provides a wind turbine power generation control system. The wind turbine power generation control system comprises a shell, an electric generator arranged inside the shell, a rotating disk connected with the electric generator, fan blades which are connected with the rotating disk in a rotating mode and can be locked at certain angles, a tachometer which is arranged on the shell and used for detecting the wind speed, a driving device which is used for driving the fan blades to rotate, and a control device, wherein the control device is used for controlling the driving device to adjust the fan blades to be at a first set angle when the wind speed measured by the tachometer is larger than a first set wind speed and also used for controlling the driving device to adjust the fan blades to be at a second set angle when the wind speed measured by the tachometer is smaller than a second set wind speed, and the first set wind speed is larger than the second set wind speed. The wind turbine power generation control system has the beneficial effects that the wind speed is detected through the tachometer, the angles of the fan blades can be adjusted according to the wind speed, a fan can be suitable for power generation under different wind power strengths, and thus power generation efficiency is improved.
Description
Technical field
The present invention relates to the technical field of wind-powered electricity generation, refer more particularly to a kind of wind turbine power generation control system.
Background technology
Along with the continuous consumption of the energy, regenerative resource becomes the direction of development, such as solar energy, wind energy etc., for wind energy
For, owing to being limited to the size of wind-force, under certain conditions, as excessive in wind-force or time wind-force is too small, blower fan can not be transported
OK, strong influence is to the utilization results of energy of wind-power electricity generation.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that a kind of wind turbine power generation control system.
The present invention is to be achieved through the following technical solutions:
The invention provides a kind of wind turbine power generation control system, this wind turbine power generation control system includes: housing, arranges
Electromotor in described housing, the rotating disk being connected with described electromotor, it is rotationally connected with described rotating disk and may be locked in setting
The fan blade of angle;
Tachymeter, arranges on the housing and is used for detecting wind speed;
Driving means, is used for driving described fan blade to rotate;
Control device;When the wind speed that described tachymeter is measured is more than the first wind speed setting, controls described driving means and adjust
Whole described fan blade is to the first set angle;When the wind speed that described tachymeter is measured is less than the second wind speed setting, drive described in control
Dynamic device adjusts described fan blade to the second set angle;Wherein, described first wind speed setting is more than described second wind speed setting.
Preferably, one end of described fan blade is provided with the short axle that length is parallel with described fan blade length direction;Described rotating disk
On be provided with the bearing coordinated with described short axle, and the end of described short axle reaches the outside of described bearing;
Described driving means includes: be arranged on the plectrum that described short axle reaches one end of described Bearing outer;It is arranged on
Air cavity on described rotating disk;It is provided with piston in described air cavity;And it is provided with, on described piston, the groove coordinated with described plectrum;
Also include:
The breather being arranged in the rotating shaft of described electromotor and connect with described air cavity, and be connected with described breather
First driving cylinder;
When described piston movement, drive described plectrum to move, and then adjust the angle of described fan blade.
Preferably, described breather is driven with described first and is connected by universal joint between cylinder.
Preferably, described bearing is for pushing ball bearing to.
Preferably, described control device is additionally operable to, and when the wind speed that described tachymeter detects is more than three wind speed, controls institute
Stating electromotor to stop operating, wherein, described 3rd wind speed is more than described first wind speed setting.
Preferably, described piston is the piston of hollow, and is respectively arranged with a support plate on two nose circle faces of described piston,
Connect by connecting rod is fixing between described support plate;Also including the second driving cylinder, described second drives cylinder and described piston
Hollow cavity connection;Described control device is additionally operable to when described piston stop motion, controls described second and drives cylinder court
Inflate in the hollow cavity of described piston.
The invention has the beneficial effects as follows: detect wind speed, and the angle of the size adjustment fan blade according to wind speed by tachymeter,
Make the generating that blower fan can be applicable under different wind-force sizes, and then improve the efficiency of generating.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wind turbine power generation control system that the embodiment of the present invention provides;
Fig. 2 is the fan blade connection diagram with piston of the wind turbine power generation control system that the embodiment of the present invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
Refer to the structural representation that Fig. 1, Fig. 1 are the wind turbine power generation control systems that the present invention provides.
Embodiments providing a kind of wind turbine power generation control system, this wind turbine power generation control system includes: shell
Body 2, is arranged on the electromotor 3 in described housing 2, and the rotating disk 9 being connected with described electromotor 3 is rotationally connected also with described rotating disk 9
May be locked in the fan blade 7 of set angle;
Tachymeter 6, is arranged on described housing 2 and for detecting wind speed;
Driving means, is used for driving described fan blade 7 to rotate;
Control device 10;When the wind speed that described tachymeter 6 is measured is more than the first wind speed setting, control described driving means
Adjust described fan blade the 7 to the first set angle;When the wind speed that described tachymeter 6 is measured is less than the second wind speed setting, control institute
State driving means and adjust described fan blade the 7 to the second set angle;Wherein, described first wind speed setting sets wind more than described second
Speed.
In the above-described embodiments, detect wind speed, and the angle of the size adjustment fan blade 7 according to wind speed by tachymeter 6, make
Obtain blower fan and can be applicable to the generating under different wind-force sizes, and then improve the efficiency of generating.
To facilitate understanding of the present embodiment of the invention the blower fan provided, enters it below in conjunction with specific embodiment and accompanying drawing
The description that row is detailed.
In the lump with reference to Fig. 1 and Fig. 2, the blower fan that the present embodiment provides includes support column 1, is arranged on described support column 1
Housing 2, this housing 2 is rotationally connected with support column 1, and can adjust the direction of housing 2 according to wind direction so that fan blade 7 can
Receive bigger wind-force.
Wherein, being provided with electromotor 3 in housing 2, the end of the output shaft of this electromotor 3 is connected to rotating disk 9, this rotating disk 9
On have rotated multiple fan blade 7, axially arranged along rotating disk 9 of the plurality of fan blade 7, concrete, one end of fan blade 7 be provided with length with
The short axle that described fan blade 7 length direction is parallel;The bearing coordinated with described short axle it is provided with on described rotating disk 9, described short axle
End reaches the outside of described bearing;The one end reaching described Bearing outer on short axle is provided with plectrum 11;Described rotating disk 9
On be provided with air cavity, this air cavity is provided with piston 8 in being positioned at the inside of rotating disk 9, and described air cavity;Be provided with on this piston 8 with
The groove 12 that described plectrum 11 coordinates;Concrete, this plectrum 11 is installed on groove 12, and plectrum 11 and groove 12 1 a pair
Should, when piston 8 moves, groove 12 drives plectrum 11 to move, and plectrum 11 drives fan blade 7 to rotate, it is achieved the tune of fan blade 7 angle
Whole, i.e. when piston 8 moves, drive described plectrum 11 to move, and then adjust the angle of described fan blade 7.
Additionally, be provided with breather in the rotating shaft of electromotor 3, this breather is positioned at inside rotating shaft, and this breather includes two
Part, a part is positioned at inside rotating shaft, and another part is positioned at outside rotating shaft, and is connected by universal joint between two parts, i.e.
Breather drives cylinder 5 to connect by universal joint and first.When specifically used, first drives cylinder 5 to supply, and then promotes
Piston 8 moves to the direction away from electromotor 3, when first drives cylinder 5 to bleed, promotes the piston 8 direction towards electromotor 3
Motion, thus realize driving piston 8 to move.In said structure, piston 8, plectrum 11, driving cylinder, breather collectively constitute
Driving means realizes the adjustment to fan blade 7 angle.
When above-mentioned angle adjustment, in order to reduce the frictional force between fan blade 7 and rotating disk 9, it is also preferred that the left fan blade 7 and rotating shaft
Between connected by bearing, and when specifically arranging, bearing, for pushing ball bearing to, has good radial direction support effect.
Additionally, in order to improve the fan blade 7 stability after adjusting angle, the piston 8 that the present embodiment provides is hollow
A support plate it is respectively arranged with on piston 8, and two nose circle faces of described piston 8, fixing even by connecting rod between described support plate
Connect;This piston 8 i.e. forms the structure of an air bag, and limits piston 8 in axial deformation by two support plates arranged.
This blower fan also includes the second driving cylinder 4, and described second drives cylinder 4 to connect with the hollow cavity of described piston 8;Described control
Device 10 is additionally operable to when described piston 8 stop motion, controls described second and drives the cylinder 4 cavity towards described piston 8
Internal inflation.As in figure 2 it is shown, second drives cylinder 4 to be connected with the hollow cavity of piston 8 by a pipeline, when second drives
When cylinder 4 supplies, promote the outside of piston 8 to deform upon, increase the frictional force between piston 8 and rotating disk 9.Arrange concrete
Time, the two ends of piston 8 are protruding, and centre be the elastic construction of feasible change, piston 8 by protruding with rotating disk 9 holding sealing, the
When two driving cylinders 4 supply, the elastic construction between two projections deforms upon and contacts with rotating disk 9 and compress, thus protects
The stability of card piston 8.
The blower fan that the present embodiment provides also includes the tachymeter 6 being arranged on housing 2, detects wind-force by this tachymeter 6
Size, and when the wind speed that described tachymeter 6 is measured is more than the first wind speed setting, controls driving means described in device 10 and adjust
Whole described fan blade the 7 to the first set angle;When the wind speed that described tachymeter 6 is measured is less than the second wind speed setting, control described
Driving means adjusts described fan blade the 7 to the second set angle;Wherein, described first wind speed setting sets wind more than described second
Speed.I.e. when wind-force is bigger, control fan blade 7 and adjust less angle so that the stress surface of fan blade 7 reduces, so that
When wind-force is bigger, blower fan remains able to work, additionally, when wind-force is less, controls fan blade 7 and adjust bigger angle so that wind
The lifting surface area of leaf 7 increases so that blower fan also is able to work under less wind-force.
Additionally, for the safety ensureing blower fan, described control device 10 is additionally operable to, at the wind speed of described tachymeter 6 detection
During more than three wind speed, controlling described electromotor 3 and stop operating, wherein, described 3rd wind speed is more than described first wind speed setting.
I.e. when detecting the requirement that wind-force can run more than blower fan, control blower fan and stop operating, to ensure the safety of blower fan.
By foregoing description it can be seen that the blower fan that the present invention provides detects wind speed by tachymeter 6, and according to wind speed
Size adjusts the angle of fan blade 7 so that blower fan can be applicable to the generating under different wind-force sizes, and then improves generating
Efficiency.
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Any amendment, equivalent and the improvement etc. made within principle, should be included within the scope of the present invention.
Claims (6)
1. a wind turbine power generation control system, it is characterised in that including: housing, is arranged on the electromotor in described housing, with
The rotating disk that described electromotor connects, with the fan blade that described rotating disk was rotationally connected and may be locked in set angle;
Tachymeter, arranges on the housing and is used for detecting wind speed;
Driving means, is used for driving described fan blade to rotate;
Control device;When the wind speed that described tachymeter is measured is more than the first wind speed setting, controls described driving means and adjust institute
State fan blade to the first set angle;When the wind speed that described tachymeter is measured is less than the second wind speed setting, controls described driving and fill
Put the described fan blade of adjustment to the second set angle;Wherein, described first wind speed setting is more than described second wind speed setting.
Wind turbine power generation control system the most according to claim 1, it is characterised in that one end of described fan blade is provided with length
Spend the short axle parallel with described fan blade length direction;The bearing coordinated with described short axle it is provided with on described rotating disk, and described short
The end of axle reaches the outside of described bearing;
Described driving means includes: be arranged on the plectrum that described short axle reaches one end of described Bearing outer;It is arranged on described
Air cavity on rotating disk;It is provided with piston in described air cavity;And it is provided with, on described piston, the groove coordinated with described plectrum;Also wrap
Include:
The breather being arranged in the rotating shaft of described electromotor and connect with described air cavity, and be connected with described breather
One drives cylinder;
When described piston movement, drive described plectrum to move, and then adjust the angle of described fan blade.
Wind turbine power generation control system the most according to claim 2, it is characterised in that described breather drives with described first
Connected by universal joint between dynamic air cylinder.
Wind turbine power generation control system the most according to claim 3, it is characterised in that described bearing is for pushing ball bearing to.
Wind turbine power generation control system the most according to claim 4, it is characterised in that described control device is additionally operable to,
When the wind speed of described tachymeter detection is more than three wind speed, controlling described electromotor and stop operating, wherein, described 3rd wind speed is big
In described first wind speed setting.
Wind turbine power generation control system the most according to claim 5, it is characterised in that described piston is the piston of hollow,
And on two nose circle faces of described piston, it is respectively arranged with a support plate, connect by connecting rod is fixing between described support plate;Also wrap
Including the second driving cylinder, described second drives cylinder to connect with the hollow cavity of described piston;Described control device is additionally operable to
During described piston stop motion, control described second and drive cylinder to inflate in the hollow cavity of described piston.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610821001.1A CN106321358A (en) | 2016-08-31 | 2016-08-31 | Wind turbine power generation control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610821001.1A CN106321358A (en) | 2016-08-31 | 2016-08-31 | Wind turbine power generation control system |
Publications (1)
Publication Number | Publication Date |
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CN106321358A true CN106321358A (en) | 2017-01-11 |
Family
ID=57787805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610821001.1A Pending CN106321358A (en) | 2016-08-31 | 2016-08-31 | Wind turbine power generation control system |
Country Status (1)
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CN (1) | CN106321358A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5993972A (en) * | 1982-11-19 | 1984-05-30 | Sumitomo Precision Prod Co Ltd | Windmill control device |
JPS59212576A (en) * | 1983-05-17 | 1984-12-01 | Sumitomo Precision Prod Co Ltd | Control method of propeller type windmill generator |
CN102536664A (en) * | 2012-01-09 | 2012-07-04 | 青岛敏深风电科技有限公司 | Pneumatic variable pitch brake system of wind power generator |
CN105649876A (en) * | 2015-12-31 | 2016-06-08 | 北京金风科创风电设备有限公司 | Control method and device of wind generating set |
-
2016
- 2016-08-31 CN CN201610821001.1A patent/CN106321358A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5993972A (en) * | 1982-11-19 | 1984-05-30 | Sumitomo Precision Prod Co Ltd | Windmill control device |
JPS59212576A (en) * | 1983-05-17 | 1984-12-01 | Sumitomo Precision Prod Co Ltd | Control method of propeller type windmill generator |
CN102536664A (en) * | 2012-01-09 | 2012-07-04 | 青岛敏深风电科技有限公司 | Pneumatic variable pitch brake system of wind power generator |
CN105649876A (en) * | 2015-12-31 | 2016-06-08 | 北京金风科创风电设备有限公司 | Control method and device of wind generating set |
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Application publication date: 20170111 |