CN201339542Y - Active pitch-controlled wind-powered generator - Google Patents
Active pitch-controlled wind-powered generator Download PDFInfo
- Publication number
- CN201339542Y CN201339542Y CNU2008201704793U CN200820170479U CN201339542Y CN 201339542 Y CN201339542 Y CN 201339542Y CN U2008201704793 U CNU2008201704793 U CN U2008201704793U CN 200820170479 U CN200820170479 U CN 200820170479U CN 201339542 Y CN201339542 Y CN 201339542Y
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- CN
- China
- Prior art keywords
- generator
- fan blade
- anemoscope
- ball screw
- cabin
- 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.)
- Expired - Fee Related
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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
Abstract
The utility model relates to an active pitch-controlled wind-powered generator, which mainly comprises a wheel hub, a generator, an engine room, a fan blade, an anemoscope, a revolving support bearing and a flange base. The front end of the generator is connected with the wheel hub; the rear end of the generator is connected with the engine room; the anemoscope is arranged on the upper part of the engine room; the engine room is connected with the flange base through the revolving support bearing; the fan blade is connected with a pitch-controlled mechanism through a fan blade connecting shaft; a reciprocating pull rod at the tail part of the pitch-controlled mechanism is connected with a pitch-controlled driving frame; the pitch-controlled driving frame is connected with a ball screw nut body; the ball screw nut body is connected with sliding rails at the two sides thereof in a matching way; a ball screw is connected with a stepper motor in a matching way; the anemoscope is provided with a signal output line and connected with a controller; and the controller is electrically connected with the stepper motor. After the anemoscope detects the wind velocity, the wind velocity signals obtained are transmitted to the controller, and the controller calculates the parameters of the pitch control, the sliding distance of the reciprocating pull rod and the rotating turns and direction of the stepper motor according to the wind velocity signals and then issues commands to the stepper motor, thereby realizing the pitch control of the fan blade.
Description
Technical field
The utility model relates to a kind of wind-driven generator, particularly a kind of active paddle changing wind power generator.
Background technique
Existing wind-driven generator generally adopts speed limiting mechanisms such as driftage, become the oar technology and manifested bigger superiority with this technology relatively, existing active paddle changing wind power generator structure is comparatively simple, exists change vane angle degree accurate inadequately, with respect to different wind speed, become the oar reaction velocity and wait shortcoming more slowly.
Summary of the invention
The purpose of this utility model is to provide a kind of change vane angle degree accurate for the deficiency that solves above-mentioned technology, becomes oar for change of wind velocity and is swift in response, and generated output power is the active paddle changing wind power generator uniformly.
In order to achieve the above object, the active paddle changing wind power generator that the utility model is designed, it is mainly by wheel hub, generator, cabin, fan blade, anemoscope, slewing bearing and flange base, and the generator front end is connected with wheel hub, and the rear end is connected with the cabin; Anemoscope is arranged on top, cabin, the cabin is connected on the flange base by slewing bearing, fan blade is connected on the blade pitch device by the fan blade coupling shaft, the reciprocal pull bar of blade pitch device afterbody is connected with change oar bogie, becoming the oar bogie is connected with the ball screw nut body, and the slip slide rail of ball screw nut body and its both sides is connected, and ball screw is connected by coupling and stepper motor; Anemoscope is provided with output line and is connected with controller, and controller is electrically connected with stepper motor.Behind anemoscope mensuration wind speed, its wind velocity signal that obtains is issued controller, controller according to wind velocity signal calculate to become the oar parameter, back and forth the sliding distance parameter of pull bar and stepper motor rotate and send instruction after the number of turns and the direction and give stepper motor, the control fan blade becomes oar.
In order to prolong the working life of mechanism, and reach the purpose that accurate control becomes the vane angle degree, back and forth pull bar afterbody drive fit has the slide displacement cover, the oil-impregnated bearing Spielpassung of slide displacement cover and generator arbor afterbody; Back and forth pull bar is connected by going to be rotationally connected piece and to become the oar bogie, makes reciprocal pull bar be free to move back and forth under the driving that becomes the oar bogie.Also can be provided with displacement transducer on the slip slide rail, displacement transducer is electrically connected with controller, makes controller can accurately obtain to become the position of oar bogie.And the ball screw two ends by bearings on two bearing supports, bearing support plays the effect spacing to the slip of ball nut screw mechanism.
Be connected with cabin rotary motive power mechanism on the described slewing bearing, be provided with damping mechanism in the cabin rotary motive power mechanism.Cabin rotary motive power device provides steering resistance when generator is worked to wind, inner damping mechanism can slow down wind speed when big the generator revolution be the output of the power held stationary of generator to the speed of wind.
The resulting active paddle changing wind power generator of the utility model, agent structure are simply compact, realized leeward to the gyrodamping mode of blower fan to wind, reduced swing, alleviated the wind wheel gyroscopic effect to the infringement of wind wheel and improved the stable of power output.Pulp distance varying mechanism has been realized in the wind-driven generator running: when hanging down wind, fan blade is in the startup angle, during the trend rated wind speed, fan blade is in the best angle of facining the wind, and surpasses rated wind speed, and fan blade remains on the speed limit angle of a variation, when surpassing work wind speed, the fan blade feathering, blower fan stops, and the variation of whole change oar process fan blade angle all is to become the oar bogie by controller control step motor driving to move the stepless level and smooth change oar of realization.
Description of drawings
Fig. 1 is the sectional view of the utility model embodiment 1 moving paddle changing wind power generator;
Fig. 2 is the utility model embodiment 1 moving paddle changing wind power generator hub portion schematic representation;
Fig. 3 is the utility model embodiment 1 moving paddle changing wind power generator internal structure schematic representation;
Fig. 4 is the utility model embodiment 1 moving paddle changing wind power generator structural representation;
Fig. 5 is the worm's eye view of the utility model embodiment 1 moving paddle changing wind power generator.
Among the figure: 1, synchronous disk 2, wheel hub 3, bearing 4, motor shaft 5, slide displacement cover 6, crank 7, piece 8 goes to be rotationally connected, anemoscope 9, shaft joint 10, stepper motor 11, signal slip ring 12, splined shaft 13, wind wheel blade 14, reciprocal pull bar 15, flow direction vane 16, oil-impregnated bearing 17, ball screw 18, spline housing 19, pivoting support bearing 20, output slip ring 21, fan blade coupling shaft 22, swelling cover 23, generator 24, cabin 25, ball screw nut body 26, become oar bogie 27, slip slide rail 28, flange base 29, connecting rod 30, turning motor 31, synchronously big belt wheel 32, be with 33 synchronously, synchronous small pulley 34, gear-box 35, Idle wheel
Embodiment
The utility model will be further described in conjunction with the accompanying drawings below by embodiment.
Embodiment 1
As shown in Figure 1, the moving paddle changing wind power generator that present embodiment is described, the wheel hub 2 of wind-driven generator cooperates with motor shaft 4 swellings by swelling cover 22, motor shaft 4 is carried in the front and rear cover bearing chamber of generator 23 by two cover deep groove ball bearings, generator 23 adopts bolt to be connected with cabin 24, and cabin 24 is installed on the flange base 28 by pivoting support bearing 19 and synchronous pulley.
As shown in Figure 2, wind wheel blade 13 is connected on the fan blade coupling shaft 21, and fan blade coupling shaft 21 cooperates by bearing 3 with three radial canals of wheel hub 2, all can relatively rotate between fan blade coupling shaft 21 and the wheel hub radial canal.The end of fan blade coupling shaft 21 all is furnished with crank 6 by key, again by joint shaft bearing, connecting rod 29, is connected with synchronous disk 1 simultaneously.Synchronous disk 1 again with matching spline axle 12 drive fits, splined shaft 12 can be free to slide with spline housing 18 Spielpassung, spline housing 18 adopts three bolts to be installed on the wheel hub 2, has so just limited rotatablely moving of synchronous disk 1 relative wheel hub 2, can only do linear slide relatively.As shown in Figure 3, the other end of splined shaft 12 passes hollow motor shaft 4 by straight pin again and is connected with reciprocal pull bar 14, and back and forth pull bar 14 outside socket slide displacements overlap 5 close-fittings, motor shaft 4 terminal interior close-fitting oil-impregnated bearings 16, overlap 5 Spielpassung with slide displacement, can be free to slide relatively.One end outside of slide displacement cover 5 is equipped with a pair of angular contact bearing, and cooperates with the piece 7 that goes to be rotationally connected.Go to be rotationally connected piece 7 again with become oar bogie 26 and be connected by stud, and there is soft system nylon jacket the cooperation place, adjusted alignment error and play the effect of flexibly connecting.In the middle of the change oar bogie 26 is with bolted ball screw nut body 25, both sides are connected with slip slide rail 27 with bolt, its effect is that ball screw nut body 25 plays the supplemental support effect in displacement, bear certain bending moment load, guarantee that 25 of ball screw nut bodies bear rotary thrust, reduce the wearing and tearing that moment of flexure is brought, prolong its working life.Also be provided with displacement transducer on the slip slide rail 27,, feed back to controller, detected the validity of finishing that becomes oar work to detect the shift length of ball nut.Ball screw 17 two supports have limited its axial displacement on bearing support.Ball screw 17 is connected with stepper motor 10 by shaft joint 9, and the active line of stepper motor 10 and signaling line are by 11 transmission of signal slip ring.As shown in Figure 4,24 tops are provided with anemoscope 8 and flow direction vane 15 in the cabin, and the signal of anemoscope 8 output also is transferred to controller by the signal slip ring and again stepper motor 10 is sent instruction.The electricity that generator 23 sends is by high-power output slip ring 20 outputs.
As shown in Figure 5, cabin 24 is crossed slewing bearing 19 and is connected on the flange base 28, is connected with cabin rotary motive power mechanism on the slewing bearing 19, is provided with damping mechanism in the cabin rotary motive power mechanism.Described cabin rotary motive power mechanism by the synchronously big belt wheel 31 that is connected with slewing bearing 19, be with 32 synchronously, small pulley 33, gear-box 34 and turning motor 30 are formed synchronously.Motor 30 is electrically connected with flow direction vane 15 by signal slip ring 11, and the angle that flow direction vane 15 passes through between judgement generator wind wheel and the wind direction sends brake signal, and turning motor 30 limits wind-driven generator to rocking in the wind by the short circuit signal.Damping mechanism is self to be the magneto characteristic by turning motor 30, and synchronously with on Idle wheel 35 is set increases resistance that synchronous pulleys rotate and come work.
Claims (5)
1. paddle changing wind power generator initiatively, its main mountain wheel hub (2), generator (23), cabin (24), fan blade (13), anemoscope (8), slewing bearing (19) and flange base (28), generator (23) front end is connected with wheel hub (2), and the rear end is connected with cabin (24); Anemoscope (8) is arranged on top, cabin (24), cabin (24) is connected on the flange base (28) by slewing bearing (19), it is characterized in that fan blade (13) is connected on the blade pitch device by fan blade coupling shaft (21), the reciprocal pull bar (14) of blade pitch device afterbody is connected with change oar bogie (26), becoming oar bogie (26) is connected with ball screw nut body (25), and ball screw nut body (25) is connected with the slip slide rail (27) of its both sides, and ball screw (17) is connected by coupling (9) and stepper motor (10); Anemoscope (8) is provided with output line and is connected with controller, and controller is electrically connected with stepper motor (10).
2. active paddle changing wind power generator according to claim 1 is characterized in that described reciprocal pull bar (14) afterbody drive fit has slide displacement cover (5), oil-impregnated bearing (16) Spielpassung of slide displacement cover (5) and generator arbor (4) afterbody; Back and forth (26 are connected pull bar (14) by going to be rotationally connected piece (7) and becoming the oar bogie.
3. active paddle changing wind power generator according to claim 1 is characterized in that described slip slide rail (27) is provided with displacement transducer, and displacement transducer is electrically connected with controller.
4. active paddle changing wind power generator according to claim 1, it is characterized in that described ball screw (17) two ends by bearings on two bearing supports.
5. according to claim 1 or 2 or 3 or 4 described active paddle changing wind power generators, it is characterized in that being connected with cabin rotary motive power mechanism on the described slewing bearing (19), be provided with damping mechanism in the cabin rotary motive power mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201704793U CN201339542Y (en) | 2008-12-25 | 2008-12-25 | Active pitch-controlled wind-powered generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201704793U CN201339542Y (en) | 2008-12-25 | 2008-12-25 | Active pitch-controlled wind-powered generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201339542Y true CN201339542Y (en) | 2009-11-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201704793U Expired - Fee Related CN201339542Y (en) | 2008-12-25 | 2008-12-25 | Active pitch-controlled wind-powered generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201339542Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200095A (en) * | 2011-04-07 | 2011-09-28 | 北京金风科创风电设备有限公司 | Fan operation method, wind speed measurement device and wind generator set |
| CN101446267B (en) * | 2008-12-25 | 2012-10-03 | 浙江华鹰风电设备有限公司 | Active pitch-controlled wind turbine |
| CN102996346A (en) * | 2012-12-31 | 2013-03-27 | 宁波锦浪新能源科技有限公司 | Initiative variable pitch wind driven generator |
| CN110662900A (en) * | 2017-04-27 | 2020-01-07 | 株式会社Ｋｓｆ | Wind power generation system |
-
2008
- 2008-12-25 CN CNU2008201704793U patent/CN201339542Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446267B (en) * | 2008-12-25 | 2012-10-03 | 浙江华鹰风电设备有限公司 | Active pitch-controlled wind turbine |
| CN102200095A (en) * | 2011-04-07 | 2011-09-28 | 北京金风科创风电设备有限公司 | Fan operation method, wind speed measurement device and wind generator set |
| CN102996346A (en) * | 2012-12-31 | 2013-03-27 | 宁波锦浪新能源科技有限公司 | Initiative variable pitch wind driven generator |
| CN102996346B (en) * | 2012-12-31 | 2015-02-25 | 宁波锦浪新能源科技有限公司 | Initiative variable pitch wind driven generator |
| CN110662900A (en) * | 2017-04-27 | 2020-01-07 | 株式会社Ｋｓｆ | Wind power generation system |
| US10995728B2 (en) | 2017-04-27 | 2021-05-04 | Kuninori TSUDA | Wind power generation system including a rotating pedestal and a wind power generation apparatus with a duct |
| US11585317B2 (en) | 2017-04-27 | 2023-02-21 | Kuninori TSUDA | Wind power generation system including a streamlined duct |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20141225 |
|
| EXPY | Termination of patent right or utility model |