CN203009162U - Pitch control and periodical pitch control device for downwind wind-driven generator - Google Patents
Pitch control and periodical pitch control device for downwind wind-driven generator Download PDFInfo
- Publication number
- CN203009162U CN203009162U CN2012206481853U CN201220648185U CN203009162U CN 203009162 U CN203009162 U CN 203009162U CN 2012206481853 U CN2012206481853 U CN 2012206481853U CN 201220648185 U CN201220648185 U CN 201220648185U CN 203009162 U CN203009162 U CN 203009162U
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- China
- Prior art keywords
- oar
- wind speed
- speed rudder
- pitch control
- connecting rod
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- 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
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Abstract
The utility model relates to a pitch control and periodical pitch control device for a downwind wind-driven generator. A wind velocity rudder is used for controlling pitches downwind, and the pitches can be periodically controlled. One end of a pitch control spindle penetrates through a generator and a fan spindle, and is fixedly arranged on an outer frame of the wind-driven generator, and the other end of the pitch control spindle penetrates through a hub, and forms a certain included angle with a pitch control and periodical pitch control sliding rail. A fixed plate and a swash plate are arranged on the pitch control and periodical pitch control sliding rail, and slide reciprocally. The swash plate is movably arranged on the fixed plate, and rotates on the fixed plate. One end of a pitch control connecting rod is movably connected with the swash plate, and the other end of the pitch control connecting rod is connected with an eccentric shaft on the root of a paddle. The fixed plate is connected with a reciprocal pitch control actuating mechanism through a main pitch control connecting rod. The device is high in pitch control speed and gust resistance and simple in structure; and the consumption of own energy in wind resistance and pitch control is avoided, so that the annual average generating capacity is higher, and an investment return period can be shortened.
Description
Technical field
The utility model relates to a kind of wind-driven generator, particularly relates to change oar and cycle vane change device that a kind of lower wind direction utilizes the wind speed rudder to become oar and can become the leeward direction wind-driven generator of oar the cycle.
Background technique
Wind-power electricity generation is an inexhaustible clean energy resource, MW class very perfect, but middle-size and small-size structure relative complex, and manufacture cost is high, and poor stability is difficult to popularize.Causing the high main cause of cost is to wind part and change oar part relative complex, and these two-part are also the multiple parts of fault.Although a kind of centrifugal variation paddle wind-driven generator technology maturation is arranged, need relative high revolution that centrifugal variation paddle power is provided, therefore be not suitable for doing large, and high revolution has injury to birds and insect, is unfavorable for environmental protection.Adopt the wind speed rudder can simplify pitch-controlled system.Lower wind direction design can simplify wind apparatus, but the leeward direction wind-driven generator produces vibration because tower shadow effect causes whole device, and is difficult for solving.
Summary of the invention
The utility model provides a kind of change oar and cycle vane change device of leeward direction wind-driven generator for above-mentioned problems of the prior art, has solved because tower shadow effect causes the vibrative problem of whole wind-driven generator.
The technical solution of the utility model is:
Change oar main shaft one end passes generator and blower fan main shaft is fixed on the wind-driven generator external frame, and the change oar main shaft the other end passes wheel hub and forms certain angle with becoming oar and cycle change oar slide rail; On change oar and cycle change oar slide rail, inactive order and the swash plate that reciprocatingly slides is installed, swash plate is movably arranged on inactive order, and swash plate rotates on inactive order; Become oar connecting rod one end and swash plate and be flexibly connected, become the oar connecting rod the other end and be connected with the eccentric shaft of propeller shank; Inactive order connects back and forth change oar actuating mechanism by becoming the oar master connecting rod.
Described change oar main shaft one end is fixed by becoming oar main shaft fixed installation plug-in unit, is spline in described change oar main shaft fixed installation plug-in unit.
Described generator and blower fan main shaft are hollow-core construction, and generator 21 use shaft joints are connected on blower fan main shaft.
Described eccentric shaft is positioned at a side of blade center line, forms bent axle; Described swash plate and up and down blade center line be not on same parallel lines; Described swash plate is fixedly mounted on inactive order with bearing, becomes oar connecting rod both sides and is movably connected on swash plate and eccentric shaft with bulb; Described change oar master connecting rod is forked type.
Described change oar actuating mechanism connects the wind speed rudder into an end of, wind speed rudder stock, and the other end of wind speed rudder stock is connected with wind speed rudder support arm by the wind speed rudderpost, and wind speed rudder support arm is connected on change oar master connecting rod; Wind speed rudder arm shaft on the wind speed rudder stock connects the servo deceleration motor, and the servo deceleration motor is connected to by screw mandrel and becomes on the oar master connecting rod, and screw mandrel reciprocatingly slides in department takes gear motor.
The angle of described wind speed rudder stock is changed to 60 °, and the change vane angle of blade is 30 °, and wind speed rudder stock length is 3/5ths of blade length, and the ratio number of wind speed rudder stock power arm and resistance arm is 1:80.
Described change oar actuating mechanism into, comprise main air speed rudder and secondary wind speed rudder, secondary wind speed rudder stock length is less than main air speed rudder stock, the secondary wind speed area of rudder is less than main air speed rudder; Main air speed rudder is connected to an end of main air speed rudder stock, and the other end of main air speed rudder stock is connected with main air speed rudder support arm by main air speed rudderpost, and main air speed rudder support arm is connected to and becomes on the oar master connecting rod; Secondary wind speed rudder is connected on secondary wind speed rudder stock, and the other end of secondary wind speed rudder stock is connected with secondary wind speed rudder support arm by secondary wind speed rudderpost, and secondary wind speed rudder stock is connected to by secondary wind speed rudder arm shaft and becomes on the oar master connecting rod; Main air speed rudder stock is connected on secondary wind speed rudderpost by main air speed rudder arm shaft.
The utility model has the advantages that: become oar fast, anti-fitful wind ability is strong, simple in structure, due to wind and change oar are not consumed self-energy, so average annual energy output is higher, can shorten the return on investment cycle.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is that the utility model becomes oar actuating mechanism one embodiment's schematic diagram.
in figure, 1, blade, 2, the wind speed rudder, 3, the wind speed rudder stock, 4, wind speed rudder arm shaft, 5, the wind speed rudderpost, 6, department takes gear motor, 7, screw mandrel, 8, wind speed rudder support arm, 9, become the oar master connecting rod, 10, inactive order, 11, swash plate, 12, become oar and cycle change oar slide rail, 13, become the oar connecting rod, 14, eccentric shaft, 15, Jiang Grains, 16, become the oar main shaft bearing, 17, become the oar main shaft, 18, blower fan main shaft, 19, the blower fan main shaft bearing, 20, become oar main shaft fixed installation plug-in unit, 21, generator, 22, secondary wind speed rudder, 23, secondary wind speed rudder stock, 24, secondary wind speed rudder arm shaft, 25, secondary wind speed rudderpost.
Embodiment
Embodiment 1
As shown in Figure 1, becoming oar main shaft 17 1 ends is fixedly mounted on and does not allow its rotation on wind-driven generator 21 external frames by becoming oar main shaft fixed installation plug-in unit 20, change oar main shaft 17 passes hollow generator 21 and blower fan main shaft 18 does not allow it rock by change oar main shaft bearing 16 is fixing, and change oar main shaft 17 passes the rear same change oar of propeller hub 15 and cycle change oar slide rail 12 forms certain angles.Described blower fan main shaft 18 is hollow, and generator 21 is also hollow, and generator 21 use shaft joints are connected on blower fan main shaft 18.Be spline in described change oar main shaft fixed installation plug-in unit 20, and become the oar main shaft and join and install, become oar main shaft fixed installation plug-in unit 20 and be fixed on and change oar main shaft can not be rotated and can not vibration.
Swash plate 11 and inactive order 10 reciprocatingly slide on change oar and cycle change oar slide rail 12, swash plate 11 use bearings are fixedly mounted on inactive order 10, swash plate 11 rotates on inactive order 10, inactive order 10 can only become and reciprocatingly slide on oar slide rail 12 and can not rotate becoming oar and cycle, and change oar connecting rod 13 both sides are movably connected on the eccentric shaft 14 of swash plate 11 and propeller shank with bulb.When swash plate 11 reciprocatingly slides, become oar connecting rod 13 and drive eccentric shaft 14 rotations, eccentric shaft 14 is positioned at a side of blade 1 center line, form bent axle, thereby the push-and-pull blade rotates and becomes oar, due to swash plate 11 with up and down blade center line not on same parallel lines, therefore same blade forwards that connecting rod draws when top to, connecting rod pushes away when following and forward to, above same blade forwards to and to forward following pitch to different, thus formation cycle change oar.The meaning that cycle becomes oar is that the tower shadow effect that solves the leeward direction wind-driven generator alleviates vibrations prolongation service life of fan.
the wind speed rudder provides power and controls change oar amount for becoming oar, its principle is that the wind speed rudder is aerofoil profile, change position and the angle of wind speed rudder stock when wind speed is low by resistance, produce by the aerofoil profile rudder face position and the angle that lift changes the wind speed rudder stock when wind speed is high, different wind speed, the wind speed rudder has different positions and angle, and reaction is quick, antidetonation wind energy power is strong, the angle of wind speed rudder stock changes can reach 60 °, and the change vane angle of blade is 30 °, wind speed rudder stock length is 3/5ths of blade length, the ratio number of wind speed rudder stock power arm and resistance arm is 1:80, therefore has certain self-locking property.One end of wind speed rudder stock 3 connects wind speed rudder 2, the other end of wind speed rudder stock 3 is connected with wind speed rudder support arm 8 by wind speed rudderpost 5, wind speed rudder support arm 8 is connected to and becomes on oar master connecting rod 9, become oar master connecting rod 9 and be connected to inactive order 10 1 ends, swash plate 11 together rotates with eccentric shaft wheel hub, blade, and inactive order and swash plate one coexist to become on oar and cycle change oar slide rail and reciprocatingly slide; Wind speed rudder arm shaft 4 on wind speed rudder stock 3 connects servo deceleration motor 6, and servo deceleration motor 6 is connected to by screw mandrel 7 and becomes on oar master connecting rod 9, and screw mandrel 7 reciprocatingly slides in department takes gear motor 6, thereby reciprocatingly slides by forked type master connecting rod 9 push-and-pull inactive orders 10.
When wind speed reaches some strength, just can blow wind speed rudder 2 moves to the left, wind speed rudder arm shaft 4 pulls department to take gear motor 6, screw mandrel 7, becomes oar master connecting rod 9, inactive order 10, swash plate 11, become oar connecting rod 13, eccentric shaft 14 moves to the left, not on same center line, connecting rod 13, eccentric shaft 14 just can pull blade 1 to rotate and form and become oar due to eccentric shaft 14 and blade 1.The effect that department takes gear motor 6 is; When surpassing survival wind speed, starting department takes that gear motor 6 pulls screw mandrel 7, becomes oar master connecting rod 9, inactive order 10, further become oar guarantee blower fan safety.
Embodiment 2
As shown in Figure 2, become the oar actuating mechanism into, comprise main air speed rudder and secondary wind speed rudder, secondary wind speed rudder stock length is less than main air speed rudder stock, the secondary wind speed area of rudder is less than main air speed rudder; Main air speed rudder is connected to an end of main air speed rudder stock, and the other end of main air speed rudder stock is connected with main air speed rudder support arm by main air speed rudderpost, and main air speed rudder support arm is connected to and becomes on the oar master connecting rod; Secondary wind speed rudder 22 is connected on secondary wind speed rudder stock 23, and the other end of secondary wind speed rudder stock 23 is connected with secondary wind speed rudder support arm by secondary wind speed rudderpost 25, and secondary wind speed rudder stock 23 is connected to by secondary wind speed rudder arm shaft 24 and becomes on oar master connecting rod 9; Main air speed rudder stock is connected on secondary wind speed rudderpost 25 by main air speed rudder arm shaft.Only secondary wind speed rudder just begins starting after main air speed rudder reaches maximum angle, and when surpassing survival wind speed, secondary wind speed rudder is moved to the left, and secondary wind speed rudder arm shaft 24 pulls and becomes the further oar that becomes of oar master connecting rod 9; Other structure is applicable to wind-driven generator below 30 kilowatts with embodiment 1.
Generator in the utility model also can change air compressor into and produce pressurized air, and pressurized air can drive other pneumatic tools such as water elevator at a distance; Also the generator in the utility model can be changed into refrigerator or water making machine, fetch water from air.
Claims (7)
1. the change oar of leeward direction wind-driven generator and cycle vane change device, it is characterized in that becoming that oar main shaft one end passes generator and blower fan main shaft is fixed on the wind-driven generator external frame, become the oar main shaft the other end and pass wheel hub and form certain angle with becoming oar with cycle change oar slide rail; On change oar and cycle change oar slide rail, inactive order and the swash plate that reciprocatingly slides is installed, swash plate is movably arranged on inactive order, and swash plate rotates on inactive order; Become oar connecting rod one end and swash plate and be flexibly connected, become the oar connecting rod the other end and be connected with the eccentric shaft of propeller shank; Inactive order connects back and forth change oar actuating mechanism by becoming the oar master connecting rod.
2. the change oar of leeward direction wind-driven generator according to claim 1 and cycle vane change device, is characterized in that described change oar main shaft one end fixedly mounts plug-in unit by change oar main shaft and fixes, and is spline in described change oar main shaft fixed installation plug-in unit.
3. the change oar of leeward direction wind-driven generator according to claim 1 and cycle vane change device, is characterized in that described generator and blower fan main shaft are hollow-core construction, and generator is connected on blower fan main shaft with shaft joint.
4. the change oar of leeward direction wind-driven generator according to claim 1 and cycle vane change device, is characterized in that described eccentric shaft is positioned at a side of blade center line, forms bent axle; Described swash plate and up and down blade center line be not on same parallel lines; Described swash plate is fixedly mounted on inactive order with bearing, becomes oar connecting rod both sides and is movably connected on swash plate and eccentric shaft with bulb; Described change oar master connecting rod is forked type.
5. the change oar of leeward direction wind-driven generator according to claim 1 and cycle vane change device, it is characterized in that described change oar actuating mechanism into, one end of wind speed rudder stock connects the wind speed rudder, the other end of wind speed rudder stock is connected with wind speed rudder support arm by the wind speed rudderpost, and wind speed rudder support arm is connected to and becomes on the oar master connecting rod; Wind speed rudder arm shaft on the wind speed rudder stock connects the servo deceleration motor, and the servo deceleration motor is connected to by screw mandrel and becomes on the oar master connecting rod, and screw mandrel reciprocatingly slides in department takes gear motor.
6. the change oar of leeward direction wind-driven generator according to claim 5 and cycle vane change device, the angle that it is characterized in that described wind speed rudder stock is changed to 60 °, the change vane angle of blade is 30 °, wind speed rudder stock length is 3/5ths of blade length, and the ratio number of wind speed rudder stock power arm and resistance arm is 1:80.
7. the change oar of leeward direction wind-driven generator according to claim 1 and cycle vane change device, it is characterized in that described change oar actuating mechanism into, comprise main air speed rudder and secondary wind speed rudder, secondary wind speed rudder stock length is less than main air speed rudder stock, and the secondary wind speed area of rudder is less than main air speed rudder; Main air speed rudder is connected to an end of main air speed rudder stock, and the other end of main air speed rudder stock is connected with main air speed rudder support arm by main air speed rudderpost, and main air speed rudder support arm is connected to and becomes on the oar master connecting rod; Secondary wind speed rudder is connected on secondary wind speed rudder stock, and the other end of secondary wind speed rudder stock is connected with secondary wind speed rudder support arm by secondary wind speed rudderpost, and secondary wind speed rudder stock is connected to by secondary wind speed rudder arm shaft and becomes on the oar master connecting rod; Main air speed rudder stock is connected on secondary wind speed rudderpost by main air speed rudder arm shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206481853U CN203009162U (en) | 2012-11-30 | 2012-11-30 | Pitch control and periodical pitch control device for downwind wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206481853U CN203009162U (en) | 2012-11-30 | 2012-11-30 | Pitch control and periodical pitch control device for downwind wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203009162U true CN203009162U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206481853U Expired - Fee Related CN203009162U (en) | 2012-11-30 | 2012-11-30 | Pitch control and periodical pitch control device for downwind wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203009162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996344A (en) * | 2012-11-30 | 2013-03-27 | 张成革 | Pitch changing and periodical pitch changing device of downwind wind driven generator |
-
2012
- 2012-11-30 CN CN2012206481853U patent/CN203009162U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996344A (en) * | 2012-11-30 | 2013-03-27 | 张成革 | Pitch changing and periodical pitch changing device of downwind wind driven generator |
| CN102996344B (en) * | 2012-11-30 | 2014-12-03 | 张成革 | Pitch changing and periodical pitch changing device of downwind wind driven generator |
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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: 20130619 Termination date: 20141130 |
|
| EXPY | Termination of patent right or utility model |