CN206801789U - A kind of small-sized wind power generator using wind wheel lateral-deviation type speed governing - Google Patents
A kind of small-sized wind power generator using wind wheel lateral-deviation type speed governing Download PDFInfo
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- CN206801789U CN206801789U CN201720466042.3U CN201720466042U CN206801789U CN 206801789 U CN206801789 U CN 206801789U CN 201720466042 U CN201720466042 U CN 201720466042U CN 206801789 U CN206801789 U CN 206801789U
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- pedestal
- yaw
- wind wheel
- small
- yaw axis
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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 belongs to technical field of wind power generation, is related to a kind of small-sized wind power generator using wind wheel lateral-deviation type speed governing.The small-sized wind power generator, including the screw rod welded successively, pedestal, yaw axis bearing, spring and adjusting nut are set with screw rod, pedestal top is set with the double inclined plane cylinder of hollow cylinder structure, the average cutting in the bottom of double inclined plane cylinder is that shear-face angle is consistent, two inclined-planes being staggered, two angles that inclined-plane is formed are provided with 2 bearings on pedestal, foot piece and tail vane are welded with outside it successively, connecting shaft is welded with the side wall of pedestal, connecting shaft successively with eccentric crossbeam, generator, wind wheel connects, coordinate in yaw axis bearing and yaw is installed, yaw and driftage axis connection, yaw axis is connected with blower fan fixed support.Using this small-sized wind power generator, speed adjusting performance is more stable, reliable, and equipment is easy for installation, mobility strong, increases the service life, reduction degree electricity cost.
Description
Technical field
The utility model belongs to technical field of wind power generation, is related to a kind of small wind using wind wheel lateral-deviation type speed governing and sends out
Motor.
Background technology
Large scale wind power machine carries out strong wind speed limit by the way of active feather more at present, and the strong wind of small wind turbine limits
Fast mode but constantly tends to variation, common are air force control mode and Electromagnetic Control mode；And air force controls
Including wind wheel lateral deviation or speed governing of facing upward, stall control speed governing, Electromagnetic Control then mainly has exports short circuit by generator three-phase
Electromagnetic brake.
Can different, the wind energy conversion system for facing upward hair style in structure using the wind energy conversion system of different air force speed limit modes
For, a pneumatic shovel obliquely is installed on its tail vane, when wind speed is excessive, tail vane due to pneumatic property can make wind wheel face upward head from
And play a part of deceleration；Once wind speed reduces, tail vane can be because of the rapid return of gravity, and this transient load is then all by wind-force
The support of machine undertakes, and motor also can be by a certain degree of damage, and then reduces the service life of complete machine.
Wind energy conversion system stall control is mainly by determining that aerofoil profile torsional angle is distributed, after wind wheel power is reached rated point, to subtract
Few profile lift, resistance is improved to realize the rotating speed of control wind wheel；But there is the defects of certain in the control mode：At wind energy conversion system
When off-network state, wind wheel accelerates, and the angle of attack reduces, and blade will be disengaged from stall zone, cause the moment of torsion of wind wheel to increase, and this will aggravate wind
The degree to exceed the speed limit is taken turns, therefore, generally stall is controlled and brake control is used cooperatively and can be only achieved satisfied control effect, but this
It is not suitable for being installed on small wind turbine.
Electromagnetic brake is to realize brake by controlling the electric current of the whole electrical circuit of generating set, that is, output end is short
Connect, produce short circuit, make loop immediate current increase, now coil current can produce electromagnetic resistance square, and electric current is bigger, and the moment of resistance is got over
Greatly；But Electromagnetic Control there is also it is certain the defects of：Due to needing to add control system, therefore the cost of wind energy conversion system can increase, together
When, under field conditions (factors), there is very big uncertainty in the change of wind speed, and especially in spring or autumn, wind speed change is too fast, when
When controller does not send speed limit instruction also, the high pressure of moment is by circuit board and burn-down of electric motor, that is to say, that the speed limit side
Still there is the problem of hysteresis in the detection controlling unit of case, it is impossible to the effectively control system of protection wind-power electricity generation.
Gravity speed governing type speed limit mode is at present applied to the most general in wind wheel lateral deviation class speed limit mode in small wind turbine
Time one kind.The small wind turbine for being provided with lateral deviation speed limiting mechanism is introduced from foreign countries earliest, and its course of work has used power
Principle is learned, there is excellent deflection characteristic, but the lateral-deviation type wind energy conversion system occurred in the market is mostly designed according to universal experience,
Lack corresponding theories integration so that some product speed adjusting performances are bad, or even can not realize speed governing.Therefore, exploitation is a kind of adjusts
The wind wheel lateral-deviation type small-sized wind power generator of fast stable performance is particularly important.
The content of the invention
The purpose of this utility model is to provide a kind of small-sized wind power generator using wind wheel lateral-deviation type speed governing, improved small
The validity and reliability of type wind-driven generator speed adjusting gear, speed adjusting performance are more stable.
The utility model solve above-mentioned technical problem technical scheme be：
A kind of small-sized wind power generator using wind wheel lateral-deviation type speed governing, including screw rod, pedestal, yaw axis bearing, spring,
Adjusting nut, double inclined plane cylinder, bearing, foot piece, tail vane, connecting shaft, eccentric crossbeam, generator, wind wheel, yaw, driftage
Axle and blower fan fixed support；Screw rod, pedestal, yaw axis bearing are welded successively from top to bottom, and screw rod is set with successively from bottom to top
Spring and adjusting nut, pedestal are cylindrical structure, and its top is set with double inclined plane cylinder, and double inclined plane cylinder is hollow cylinder knot
Structure, its top are welded with annulus, and the average cutting in bottom is that shear-face angle is consistent, two inclined-planes being staggered, is formed on inclined-plane
Two angles be respectively arranged with by screw be arranged on pedestal on 2 bearings, the outside of double inclined plane cylinder is welded successively
There are foot piece and tail vane, connecting shaft is welded with the side wall of pedestal, connecting shaft is connected by attaching nut with eccentric crossbeam, eccentric horizontal
Bar hole is offered on beam, and is connected by attaching nut with generator, generator is connected with wind wheel, and wind wheel is by 3~6 blades
Composition；Coordinate in yaw axis bearing and yaw is installed, yaw is connected with yaw axis, and yaw axis passes through ring flange
Structure is connected with blower fan fixed support.
Utilize the utility model having the beneficial effect that using the small-sized wind power generator of wind wheel lateral-deviation type speed governing, speed adjusting performance
It is more stable, reliable；Equipment is easy for installation, mobility strong；Reduction is inevitably damaged caused by because of the timing action of blower fan
Wound, increases the service life, reduction degree electricity cost.
Brief description of the drawings
Fig. 1 is structural representation of the utility model using the small-sized wind power generator of wind wheel lateral-deviation type speed governing；
Fig. 2 is the dimensional structure diagram of double inclined plane cylinder in the utility model small-sized wind power generator；
The vertical view simplified schematic diagram of the utility model small-sized wind power generator when Fig. 3 is normal power generation；
The vertical view simplified schematic diagram of the utility model small-sized wind power generator when Fig. 4 is wind wheel lateral deviation.
Coding in accompanying drawing is respectively that 1 is screw rod, and 2 be pedestal, and 3 be yaw axis bearing, and 4 be spring, and 5 be adjusting nut,
6 be double inclined plane cylinder, and 7 be bearing, and 8 be foot piece, and 9 be tail vane, and 10 be connecting shaft, and 11 be eccentric crossbeam, and 12 be generator, and 13 are
Wind wheel, 14 be yaw, and 15 be yaw axis, and 16 be blower fan fixed support.
Embodiment
As shown in Figure 1 and Figure 2, a kind of small-sized wind power generator using wind wheel lateral-deviation type speed governing, including screw rod 1, pedestal 2,
Yaw axis bearing 3, spring 4, adjusting nut 5, double inclined plane cylinder 6, bearing 7, foot piece 8, tail vane 9, connecting shaft 10, eccentric crossbeam
11st, generator 12, wind wheel 13, yaw 14, yaw axis 15 and blower fan fixed support 16；Screw rod 1, pedestal 2, yaw axis bearing
3 weld successively from top to bottom, and screw rod 1 is set with spring 4 and adjusting nut 5 successively from bottom to top, and pedestal 2 is cylindrical structure,
Its top is set with double inclined plane cylinder 6, and double inclined plane cylinder 6 is hollow cylinder structure, and its top is welded with annulus, and bottom is averagely cut
It is divided into two inclined-planes that shear-face angle is consistent, is staggered, is respectively arranged with two angles that inclined-plane is formed and passes through screw
Installation 2 bearings 7 on the base 2, the outside of double inclined plane cylinder 6 are welded with foot piece 8 and tail vane 9 successively, in the side wall of pedestal 2
Connecting shaft 10 is welded with, connecting shaft 10 is connected by attaching nut with eccentric crossbeam 11, and bar hole is offered on eccentric crossbeam 11,
And be connected by attaching nut with generator 12, generator 12 is connected with wind wheel 13, and wind wheel 13 is made up of 5 blades；Yaw axis
Coordinate in bearing 3 and yaw 14 is installed, yaw 14 is connected with yaw axis 15, and yaw axis 15 passes through ring flange knot
Structure is connected with blower fan fixed support 16.
The speed adjusting gear of this small-sized wind power generator uses eccentric setting, i.e. blower fan fixed support 16 passes through with generator 12
Eccentric crossbeam 11 carries out eccentrically mounted, and the size of eccentric throw is drawn according to theoretical calculation, and is able to verify and is compensated by experiment, partially
Bar hole on heart crossbeam 11 can be used for adjusting eccentric throw；The engagement sleeves of double inclined plane cylinder 6 fill on the base 2, can be achieved to revolve simultaneously
Turn lifting；Spring 4 is enclosed on screw rod 1, and is pressed on double inclined plane cylinder 6, therefore, the pressure of spring can be adjusted by adjusting nut 5
Power size；The length of foot piece 8 can be adjusted.
As shown in Figure 3, Figure 4, it is using the speed adjusting mechanism of this small-sized wind power generator：
When wind speed is in rated range, speed adjusting gear does not interfere with efficiency of the blower fan to wind, and tail vane 9 can be used for wind
Driftage, makes blower fan be worked always under the wind direction of maximum wind velocity；
When wind speed overrate, because the effect of eccentric throw causes blower fan head to be deflected to side, but tail vane 9 is due to gas
Dynamic property effect, will keep in the same direction with wind direction all the time, due to there are double inclined plane in double inclined plane cylinder 6 so that tail vane 9 with it is double
Relative to blower fan head one deflection vertically upward can occur for inclined-plane cylinder 6, and then cause wind wheel 13 to deviate face and carry out wind, reduce
The front face area of wind wheel 13, the rotating speed of wind wheel 13 is reduced, play a part of protecting blower fan；
When wind speed is less than rated value, tail vane 9 and double inclined plane cylinder 6 are returned to original due to the pressure effect of spring 4
Position, conventional wind-power electricity generation is carried out again.
Corresponding wind tunnel experiment is done for small-sized wind power generator of the present utility model, for examining its speed adjusting gear
Validity, in order to further simulate real operating mode, the blower fan is also placed on picking-up vehicle by the utility model does corresponding vehicle-mounted reality
Test, wind speed and direction is simulated by changing speed and the direction of automobile, test result indicates that, this small-sized wind power generator can
Adapt to the wind-power electricity generation work under different actual conditions.
Claims (2)
- A kind of 1. small-sized wind power generator using wind wheel lateral-deviation type speed governing, it is characterised in that including screw rod (1), pedestal (2), Yaw axis bearing (3), spring (4), adjusting nut (5), double inclined plane cylinder (6), bearing (7), foot piece (8), tail vane (9), connection Axle (10), eccentric crossbeam (11), generator (12), wind wheel (13), yaw (14), yaw axis (15) and blower fan fixed support (16)；The screw rod (1), pedestal (2), yaw axis bearing (3) are welded successively from top to bottom；The screw rod (1) is set with spring (4) and adjusting nut (5) successively from bottom to top；The pedestal (2) is cylindrical structure, and its top is set with double inclined plane cylinder (6), and the double inclined plane cylinder (6) is hollow Cylindrical structure, its top are welded with annulus, and the average cutting in bottom is that shear-face angle is consistent, two inclined-planes being staggered, oblique Two angles that face is formed are respectively arranged with 2 bearings (7) being arranged on by screw on pedestal (2), the double inclined plane circle The outside of cylinder (6) is welded with foot piece (8) and tail vane (9) successively, and connecting shaft (10), institute are welded with the side wall of the pedestal (2) State connecting shaft (10) to be connected with eccentric crossbeam (11) by attaching nut, bar hole is offered on the eccentric crossbeam (11), and It is connected by attaching nut with generator (12), the generator (12) is connected with wind wheel (13)；Coordinate in the yaw axis bearing (3) and yaw (14) is installed, the yaw (14) is matched somebody with somebody with yaw axis (15) Connection is closed, the yaw axis (15) is connected by flange plate structure with blower fan fixed support (16).
- 2. a kind of small-sized wind power generator using wind wheel lateral-deviation type speed governing as claimed in claim 1, it is characterised in that described Wind wheel (13) is made up of 3~6 blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720466042.3U CN206801789U (en) | 2017-04-28 | 2017-04-28 | A kind of small-sized wind power generator using wind wheel lateral-deviation type speed governing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720466042.3U CN206801789U (en) | 2017-04-28 | 2017-04-28 | A kind of small-sized wind power generator using wind wheel lateral-deviation type speed governing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206801789U true CN206801789U (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720466042.3U Expired - Fee Related CN206801789U (en) | 2017-04-28 | 2017-04-28 | A kind of small-sized wind power generator using wind wheel lateral-deviation type speed governing |
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| CN (1) | CN206801789U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252859A (en) * | 2018-01-12 | 2018-07-06 | 内蒙古工业大学 | Actively adjust eccentricity formula wind energy conversion system PCU Power Conditioning Unit |
| CN110017246A (en) * | 2019-05-01 | 2019-07-16 | 呼和浩特市博洋可再生能源有限责任公司 | A kind of middle-size and small-size wind energy conversion system active yawing mechanism |
-
2017
- 2017-04-28 CN CN201720466042.3U patent/CN206801789U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252859A (en) * | 2018-01-12 | 2018-07-06 | 内蒙古工业大学 | Actively adjust eccentricity formula wind energy conversion system PCU Power Conditioning Unit |
| CN110017246A (en) * | 2019-05-01 | 2019-07-16 | 呼和浩特市博洋可再生能源有限责任公司 | A kind of middle-size and small-size wind energy conversion system active yawing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20180428 |