CN202065124U - Pitch control device of strong-gust impact adaptive wind-driven power generator unit - Google Patents
Pitch control device of strong-gust impact adaptive wind-driven power generator unit Download PDFInfo
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- CN202065124U CN202065124U CN2011201383760U CN201120138376U CN202065124U CN 202065124 U CN202065124 U CN 202065124U CN 2011201383760 U CN2011201383760 U CN 2011201383760U CN 201120138376 U CN201120138376 U CN 201120138376U CN 202065124 U CN202065124 U CN 202065124U
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- wind
- driving gear
- control device
- pitch control
- mandrel
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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 provides a pitch control device of a strong-gust impact adaptive wind-driven power generator unit, which consists of a servo motor, a pitch control speed reducer, a driving gear, a rotation bearing, vanes and an electric control device. A torque limiting unit is arranged between an output shaft of the pitch control speed reducer and the driving gear. Windward angles of the vanes can be changed adaptively along a feathering direction when the vanes are under strong-gust impact, input of wind energy is automatically reduced, stability of rotation speed and power output of a wind-driven power generator are guaranteed, force of the strong-gust impact is greatly neutralized, and damages to a gear box and faults of propeller racing and the like are reduced. The neutralizing process is random, dynamic, adaptive and lag-free without an electric control device, and safety running of the power generator unit is guaranteed.
Description
Technical field
The utility model relates to wind-powered electricity generation set pitch control device, particularly a kind of strong gusts of wind is impacted self adaption wind-powered electricity generation set pitch control device.
Background technique
Wind energy is the huge natural energy resources of reserves, and it is safety, environmental protection, cleaning, green energy resource endlessly, obtains the favor of countries in the world.Rely on its huge business potential and environmental benefit, in the new and renewable sources of energy industry in the whole world, created the fastest speedup development.Large-scale Wind Turbines is the current main means of obtaining wind energy, and it is made up of impeller, pitch-controlled system, yaw system, main shaft, gear-box, generator and control gear.But in actual motion, wind-powered electricity generation unit weak link gear-box is the higher parts of rate of fault.Because the wind-powered electricity generation unit generally is installed in places, air port such as high mountain, wilderness, seabeach, island, often be subjected to the wind-force effect of irregular break-in varying duty and the impact of strong gusts of wind, stand the influence of the scorching summer and freezing winter and the extreme temperature difference throughout the year, physical environment of living in is in addition had inconvenient traffic, gear-box is installed in the small space of cat head, in case break down, repair very difficulty, so to its reliability with all proposed the requirement more much higher working life than common mechanical.Because the uncertainty that the wind-force of break-in varying duty and strong gusts of wind are impacted makes the gear-box of design more and more huger, but still keep away unavoidable fault generation.The pitch-controlled system that is provided with in the wind-powered electricity generation unit is regulated power automatically in the mode that becomes oar and is exported the variable varying duty effect of balance wind-force.Pitch-controlled system development of the prior art is very fast, and automaticity is very high, and regulatory function is powerful.But the impact force of strong gusts of wind is to be loaded on the gear-box by impeller spindle moment, because there is very big inertia in the wind-powered electricity generation unit, the rotating speed of generator and power also do not have enough time to change, the regulatory function of pitch-controlled system is not had an effect as yet, this retardation phenomenon generally has 1-3 seconds or is longer, the injury that this moment, gear-box was transshipped.So the regulatory function of the pitch-controlled system of prior art can't adapt to the adjusting requirement to the strong gusts of wind impact force.When pitch-controlled system breaks down, regulate the input of wind energy because of not becoming oar, make the wind-powered electricity generation unit harm such as driving usually occur, whole unit is wrecking of blast at one's discretion.
Summary of the invention
The purpose of this utility model is to propose a kind of strong gusts of wind to impact self adaption wind-powered electricity generation set pitch control device.It can impact the angle of facining the wind that changes blade adaptively towards the feathering direction in the face of strong gusts of wind, reduces the input of wind energy automatically, guarantees the stable of rotation speed of fan and generator power output, weakens the strong gusts of wind impact force greatly.Reduce the generation of faults such as gear-box damage, driving.Guarantee the safety of wind-powered electricity generation unit.
The utility model is to realize like this.It is by actuating motor, and variable paddle speed reducer, driving gear, pivoting support, blade and electric controller are formed.A shell-like mandrel is installed on the output shaft of variable paddle speed reducer, the cylindrical of shell-like mandrel is provided with and the corresponding teeth groove of friction plate internal tooth, driving gear of movable set outside the shell-like mandrel, circle is provided with and the corresponding teeth groove of friction plate external tooth in the driving gear, the friction plate group that outside friction disc is formed in one or more pairs of is sleeved between shell-like mandrel and the driving gear, one side of friction plate group is provided with a movable pressure plate, outside and driving gear at movable pressure plate install an adjusting pressing plate, be circumferential distribution on the adjusting pressing plate a plurality of pressure regulators are installed, the another side of friction plate group is provided with a stationary platen that installs with driving gear.Adjusting pressing plate, stationary platen also can be packed on the shell-like mandrel.
Pressure regulator is by hollow square toes adjusting screw, locking nut, and sensor element, dish reed group constitutes, and they are sleeved on together, and are installed on the adjusting pressing plate by hollow square toes adjusting screw.Regulating hollow square toes adjusting screw just can compact disc reed group, and is pressed on the friction plate group through movable pressure plate.
Working procedure of the present utility model is such.The utility model comes down to be provided with a limited torque device between the output shaft of driving gear in original vane change device and variable paddle speed reducer, its limited torque value is adjusted in about 1.1～1.2 times (when its value was the generator declared working condition, the moment of torsion of impeller transmission was converted the torque value that becomes on the oar driving gear) of specified conversion torque value.When the wind-powered electricity generation unit normally moved, the conversion moment of torsion was turned round torque value less than limit, did not slide between shell-like mandrel and the driving gear, and the limited torque device does not produce any effect to the angle of facining the wind of blade.When suffering strong gusts of wind, impacts the wind-powered electricity generation unit, the rotating speed of impeller is increased, when moment of torsion increases, the conversion moment of torsion is turned round torque value greater than limit, slide between shell-like mandrel and the driving gear, the angle of facining the wind of blade is changed to the feathering direction, till the conversion moment of torsion of impeller transmission equals limit substantially and turns round torque value, when the angle of facining the wind of blade changes to the state that adapts with the generator declared working condition automatically till.The limited torque device has just been dissolved the injury of strong gusts of wind impact force to wind-powered electricity generation unit transmission device like this.This process of dissolving is a process at random, servo-actuated, adaptive, that do not have hysteresis, participates in without any need for electric controller, has also guaranteed the operation of generator declared working condition.When the wind-force reduction, when generator was lower than the declared working condition operation, vane change device was pressed the angle of facining the wind that normal procedure is adjusted blade, and assurance generator declared working condition is moved.Usually the limited torque device is done coarse adjustment, and the normal procedure of vane change device is done fine tuning.
The utility model is regulated and is limit the adjusting of turning round torque value also to be very easy to.The plug of sensor element is connected with the secondary Displaying Meter,, has also just regulated limit and turned round torque value according to showing the even regulation square headed screw.
The utlity model has tangible advantage.It can impact the angle of facining the wind that changes blade adaptively towards the feathering direction in the face of strong gusts of wind, automatically reduce the input of wind energy, guarantee the stable of rotation speed of fan and generator power output, dissolved the strong gusts of wind impact force greatly, reduce the generation that gear-box damages, avoids faults such as driving.This process of dissolving is a process at random, servo-actuated, adaptive, that do not have hysteresis, participates in without any need for electric controller, has also guaranteed safe operation of wind turbine.
Description of drawings
Fig. 1 is a wind-powered electricity generation set pitch control principle of device schematic representation,
Fig. 2 is a limited torque device assembling schematic representation of the present utility model,
Fig. 3 is a pressure regulator assembling schematic representation of the present utility model,
Fig. 4 is the pressure transducer assembling schematic representation in the pressure regulator of the present utility model,
Fig. 5 is an another kind of limited torque device assembling schematic representation of the present utility model,
Wherein, 1---blade, 2---pivoting support gearwheel, the 3---driving gear, 4---speed reducer output shaft, 5---variable pitch speed reducer, the 6---actuating motor, 7---encoder, 8---pressure regulator, 9---regulates pressing plate, 10---movable pressure plate, 11---friction plate group, 12---shell-like mandrel, the 13---stationary platen, 14----gland, 15--square toes adjusting screw, the 16---locking nut, the 17---sensor element, 18---dish reed group, the 19---sensor is drawn plug, the 20---sensor chip, the 21---sensor outer housing, the movable pressure head of 22---, 23---driving pulley.
Embodiment
As seen from the figure, the utility model is by actuating motor (6), and variable paddle speed reducer (5), driving gear (3), pivoting support (2), blade (1) and electric controller are formed.Go up an installation shell-like mandrel (12) at the output shaft (4) of variable paddle speed reducer, the cylindrical of shell-like mandrel (12) is provided with and the corresponding teeth groove of friction plate internal tooth, a driving gear of movable set (3) outside shell-like mandrel (12), circle is provided with and the corresponding teeth groove of friction plate external tooth in the driving gear (3), the friction plate group (11) that outside friction disc is formed in one or more pairs of is sleeved between shell-like mandrel (12) and the driving gear (3), one side of friction plate group (11) is provided with a movable pressure plate (10), outside and driving gear (3) at movable pressure plate (10) install an adjusting pressing plate (9), be circumferential distribution on adjusting pressing plate (9) a plurality of pressure regulators (8) are installed, the another side of friction plate group (11) is provided with a stationary platen (13) that installs with driving gear (3).
Pressure regulator (8) is by hollow square toes adjusting screw (15), locking nut (16), sensor element (17), dish reed group (18) constitutes, they are sleeved on together, and are installed on the adjusting pressing plate (9) by hollow square toes adjusting screw (15).Regulating hollow square toes adjusting screw (15) just can compact disc reed group (18), and is pressed on the friction plate group (11) through movable pressure plate (10).
The sensor chip (20) of sensor element (17) is installed in the cavity of being made up of sensor outer housing (21) and movable pressure head (22), and its lead-in wire is drawn plug (19) with sensor and linked to each other.
Fig. 5 is an another kind of limited torque device assembling schematic representation of the present utility model, and its adjusting pressing plate (9), stationary platen (13) are packed on the shell-like mandrel (12), and driving gear is made the form of belt wheel.
Claims (3)
1. a strong gusts of wind is impacted self adaption wind-powered electricity generation set pitch control device, be by actuating motor (6), variable paddle speed reducer (5), driving gear (3), pivoting support (2), blade (1) and electric controller are formed, it is characterized in that the last shell-like mandrel (12) of installing of output shaft (4) at variable paddle speed reducer, the cylindrical of shell-like mandrel (12) is provided with and the corresponding teeth groove of friction plate internal tooth, a driving gear of movable set (3) outside shell-like mandrel (12), circle is provided with and the corresponding teeth groove of friction plate external tooth in the driving gear (3), the friction plate group (11) that outside friction disc is formed in one or more pairs of is sleeved between shell-like mandrel (12) and the driving gear (3), one side of friction plate group (11) is provided with a movable pressure plate (10), outside and driving gear (3) at movable pressure plate (10) install an adjusting pressing plate (9), be circumferential distribution on adjusting pressing plate (9) a plurality of pressure regulators (8) are installed, the another side of friction plate group (11) is provided with a stationary platen (13) that installs with driving gear (3); Adjusting pressing plate (9), stationary platen (13) also can be packed on the shell-like mandrel (12).
2. a kind of strong gusts of wind according to claim 1 is impacted self adaption wind-powered electricity generation set pitch control device, it is characterized in that described pressure regulator (8) is by hollow square toes adjusting screw (15), locking nut (16), sensor element (17), dish reed group (18) constitutes, they are sleeved on together, and are installed on the adjusting pressing plate (9) by hollow square toes adjusting screw (15).
3. a kind of strong gusts of wind according to claim 1 and 2 is impacted self adaption wind-powered electricity generation set pitch control device, the sensor chip (20) that it is characterized in that described sensor element (17) is installed in the cavity of being made up of sensor outer housing (21) and movable pressure head (22), and its lead-in wire is drawn plug (19) with sensor and linked to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201383760U CN202065124U (en) | 2011-05-05 | 2011-05-05 | Pitch control device of strong-gust impact adaptive wind-driven power generator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201383760U CN202065124U (en) | 2011-05-05 | 2011-05-05 | Pitch control device of strong-gust impact adaptive wind-driven power generator unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202065124U true CN202065124U (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201383760U Expired - Fee Related CN202065124U (en) | 2011-05-05 | 2011-05-05 | Pitch control device of strong-gust impact adaptive wind-driven power generator unit |
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| CN (1) | CN202065124U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014856A (en) * | 2016-07-25 | 2016-10-12 | 张占兵 | Efficient wind wheel device |
| CN112576448A (en) * | 2021-01-14 | 2021-03-30 | 上海线超启电线电缆有限公司 | Wind power generation device capable of adjusting wind area of blade according to wind power |
-
2011
- 2011-05-05 CN CN2011201383760U patent/CN202065124U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014856A (en) * | 2016-07-25 | 2016-10-12 | 张占兵 | Efficient wind wheel device |
| CN106014856B (en) * | 2016-07-25 | 2018-12-18 | 张占兵 | A kind of efficient wind wheel apparatus |
| CN112576448A (en) * | 2021-01-14 | 2021-03-30 | 上海线超启电线电缆有限公司 | Wind power generation device capable of adjusting wind area of blade according to wind power |
| CN112576448B (en) * | 2021-01-14 | 2023-01-13 | 福建省晋江风电开发有限公司 | Wind power generation device capable of adjusting wind area of blade according to wind power |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20140505 |