CN209324581U - A kind of dirigible type wind power generation plant - Google Patents
A kind of dirigible type wind power generation plant Download PDFInfo
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- CN209324581U CN209324581U CN201822126396.0U CN201822126396U CN209324581U CN 209324581 U CN209324581 U CN 209324581U CN 201822126396 U CN201822126396 U CN 201822126396U CN 209324581 U CN209324581 U CN 209324581U
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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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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Abstract
The utility model discloses a kind of dirigible type wind power generation plants, cylindric hard-shell type dirigible including built-in helium, the cylinder of dirigible is uniformly distributed on peripheries with multiple lift-type blades, and the both ends of multiple lift-type blades are fixedly connected by multiple connecting rods with the cylinder both ends of dirigible；The cylinder both ends of dirigible have been respectively fixedly connected with transmission shaft along cylinder axial line, the end of transmission shaft and the power intake of speed increaser connect, the power output end of speed increaser and the shaft of generator connect, speed increaser is equipped with speed increaser shell, the speed increaser shell lower end at both ends is fixedly connected with U-shaped draw bar, and the hawser for extending to ground is connected on U-shaped draw bar.The utility model can smoothly go up to the air in gentle breeze, light breeze and can generate electricity；The strong wind moment can keep hovering and generate electricity；Revolving speed is unlikely to excessively high when high wind, and generator is avoided to be burned out；And stagnant idle job is completed using wind energy itself, the other energy is not consumed, can be used for high-altitude capture wind energy for a long time.
Description
Technical field
The utility model relates to technical field of wind energy utilization, are specifically designed technical field of wind power generation, specifically a kind of to fly
Ship type wind power generation plant.
Background technique
High-altitude is richly stored with wind energy, shows according to related data, the wind energy concentration in high-altitude be ten times of low latitude wind energy extremely
Hundred times.The disadvantages of high-altitude wind-powered electricity generation overcomes the randomness of traditional wind-powered electricity generation air quantity, fluctuation and geographical location are remote, it is more likely that be
Change following energy technology.
In recent years, more than 50 companies in whole world investment huge funds research and develop high-altitude wind-powered electricity generations, but the technology path of each company research and development is respectively not
It is identical.In China, National Development and Reform Commission issues " energy technology revolution innovates action plan (2016-2030) ", national energy
Source office issues files such as " energy technology revolution emphasis innovate course of action figure ", also puts on the research and development of high-altitude wind-powered electricity generation the relevant technologies
Schedule, and clear its develops route.Above-mentioned file proposes, to form 200-300 meters of high-altitude wind power generations to the year two thousand twenty China
Complete set technology, and practical application is obtained in the year two thousand thirty.
2016, global wind-powered electricity generation added up installed capacity and reaches 486.7GW, and wherein China's wind-powered electricity generation installation accounting is 34.7%, row
Name the first in the world, becomes the engine of world's Wind Power Development.But current China high-quality wind-resources in land " have been ridden on a horse to enclose " totally,
High-quality wind resource is increasingly rare, and people are also imperative by the sight trend of purchasing sky of Wind Power Generation.
Domestic many people also recognize that this industry of high-altitude wind power generation has a bright future, but for high-altitude wind power generation technology
The research country be substantially at space state, to find out its cause, high altitude wind energy exploitation is difficult to realize there are many technical problems.Cause
This really sets foot in the enterprise in this field although many wind-powered electricity generation companies, China also maintain keen interest to high-altitude wind-powered electricity generation
But seldom.
Since 2017, wind-powered electricity generation industry continued downturn, since 2016, it is continuous that China's wind-powered electricity generation increases grid connection capacity newly
It glides within 2 years.In by the end of October, 2017 by, the ratio of 1.6 hundred million kilowatts of national grid connected wind power, the total generating equipment capacity of Zhan is
9.3%, under this domestic situation, exploitation high altitude wind energy is imperative.And theory early period for carrying out high altitude wind energy acquisition prepares
Work, it is also extremely urgent.
Currently, existing wind power technology is substantially at the technology stage of fumbling, the product for forming extensive industrialization is seldom.Than
More famous high-altitude wind-powered electricity generation acquisition mode is for example:
1, the traction power generation on ground kite-type: is pulled by the huge kite of parachute-shaped.It is a kind of wind-powered electricity generation
Developing thought.
But have the disadvantage in that the limited height of acquisition wind energy, generally below 300m.
2, turbine type: using helium by the helium balloon of turbine shape, related wind power equipment goes up to the air, among turbine shape dirigible
The rotation of the trunnion axis blade at position drives electrical power generators, and electric power is worn by cable to ground.
But it has the disadvantage in that
1) lifting altitude is lower, about 300m；
2) relative to the volume of dirigible, flabellum front face area is smaller, and generated output is lower；
3) blade has the characteristics that trunnion axis fan blade, i.e. threshold wind velocity is high, and wind speed is excessively high and needs speed limit.
3, unmanned plane drives wind power equipment lift-off, and hovering is kept in wind by the aerofoil profile of unmanned plane.
But it has the disadvantage in that
1) wind power equipment lift-off is needed by extra power；
2) wind-force is too small, and unmanned plane cannot keep hovering, drops back into ground.
Utility model content
The purpose of this utility model is the lift-off that solve the problems, such as high-altitude wind power generation system existing in the prior art, height
Stagnant empty problem of the empty wind generator system under certain wind-force, the high altitude wind energy under certain efficiency acquire and generate asking for electric power
Topic, the high electric power generated in the air provide a kind of dirigible type wind power generation plant to the transmission problem on ground.
In order to achieve the above objectives, the utility model is implemented according to following technical scheme:
A kind of dirigible type wind power generation plant, the cylindric hard-shell type dirigible including built-in helium, the cylinder of the dirigible
Multiple lift-type blades are uniformly distributed on peripheries with, each lift-type blade is identical as the vertical range of the outer wall of dirigible, multiple lift
The both ends of type blade are fixedly connected by multiple connecting rods with the cylinder both ends of dirigible；The cylinder both ends of dirigible are along cylinder axle center
Line has been respectively fixedly connected with transmission shaft, and the end of transmission shaft and the power intake of speed increaser connect, the power of the speed increaser
The connection of the shaft of output end and generator, the generator are equipped with speedup by wire transmission to ground electrical equipment, speed increaser
The speed increaser shell lower end of device shell and speed increaser case lid, both ends is fixedly connected with U-shaped draw bar, is connected on U-shaped draw bar
There is the hawser for extending to ground.
Further, the speed increaser further include be set to the intracorporal active gear wheel of speed increaser shell and with active gear wheel phase
The driven pinion of engagement is axially fixed with the first hollow shaft in the axis hole of active gear wheel, and the both ends of the first hollow shaft are fixed
It is distributed in being set to speed increaser shell in the inner ring of the bearing of active gear wheel two sides, the end of the transmission shaft is axially solid
It is scheduled in the first hollow shaft, the second hollow shaft is axially fixed in the axis hole of driven pinion, one end of the second hollow shaft is fixed
It is distributed in being set to speed increaser shell in the inner ring of the bearing of driven pinion two sides, the roller end of generator is axially solid
It is scheduled in the second hollow shaft.
Preferably, the model NACA0012 of lift-type blade, setting angle are 0~8 degree.
Preferably, the diameter of the dirigible is 3m, and the rotating diameter of lift-type blade is 4m.
Preferably, the lift-type blade is set as four.
Compared with prior art, the utility model is by synthesizing wind-force with lift-type blade group for cylindrical hard-shell type dirigible
Machine, resets the setting angle of lift-type blade, then the aerofoil profile of lift-type blade passes through lift-type blade in the effect of wind-force
Lower to can be rotated and provide torque drive dirigible rotation, the dirigible of rotation is raised to higher aerial, dirigible rotation under the action of the forces of the wind
Turn again drive transmission shaft rotation, transmission shaft drive active bull gear drive, active gear wheel due to the number of teeth be more than driven pinion,
It will drive driven pinion and accelerate rotation, thus drive the shaft quick rotation of generator to generate electricity, setting based on above structure
Meter, the utility model can smoothly go up to the air in gentle breeze, light breeze and can generate electricity；The strong wind moment can keep hovering concurrent
Electricity；Revolving speed is unlikely to excessively high when high wind, and generator is avoided to be burned out；And stagnant idle job is completed using wind energy itself, do not disappear
The other energy is consumed, high-altitude capture wind energy can be used for for a long time.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is the cross-sectional view of the utility model.
Fig. 3 is enlarged drawing at the A of Fig. 2.
Fig. 4 is airship as Mechanical Analysis of Particles figure.
Fig. 5 is the wind energy conversion system computation model that dirigible and lift-type blade are constituted.
Fig. 6 is the dirigible parameter under wind speed 6m/s different rotating speeds.
The dirigible parameter that Fig. 7 is the tip-speed ratio of lift-type blade when being 2.33 or so different wind speed.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with drawings and examples,
The utility model is described in further detail.Specific embodiment described herein is only used for explaining the utility model,
It is not used to limit utility model.
As shown in Figure 1-Figure 3, a kind of dirigible type wind power generation plant provided in this embodiment, the cylinder including built-in helium
Shape hard-shell type dirigible 8, helium is responsible for dirigible can smoothly go up to the air when calm；The cylinder of the dirigible 8 is uniformly distributed on peripheries with four
Lift-type blade 1, four lift-type blades 1 are identical as the vertical range of the outer wall of dirigible 8, the both ends of four lift-type blades 1
It is fixedly connected by four connecting rods 2 with the cylinder both ends of dirigible 8, lift-type blade 1 can be rotated under the action of the forces of the wind and mention
The dirigible 8 for driving dirigible 8 to rotate for torque, and rotating is raised to higher aerial under the action of the forces of the wind；The cylinder both ends of dirigible 8
It is respectively fixedly connected with transmission shaft 3 along cylinder axial line, the end of transmission shaft 3 and the power intake of speed increaser connect, institute
The power output end for stating speed increaser is connect with the shaft of generator 7, and generator 7 is increased by wire transmission to ground electrical equipment
Fast device is equipped with speed increaser shell 4 and speed increaser case lid 10, and speed increaser further includes the active canine tooth being set in speed increaser shell 4
Wheel 5 and the driven pinion 6 that is meshed with active gear wheel 5 are axially fixed with the first hollow shaft in the axis hole of active gear wheel 5
12, the both ends of the first hollow shaft 12, which are fixed on, is set to the bearing 11 that 5 two sides of active gear wheel are distributed in speed increaser shell 4
In inner ring, the end of the transmission shaft 3 is axially fixed in the first hollow shaft 12, axial restraint in the axis hole of driven pinion 6
There is the second hollow shaft 13, one end of the second hollow shaft 13, which is fixed on to be set in speed increaser shell 4, is distributed in 6 liang of driven pinion
In the inner ring of the bearing of side, the roller end of generator 7 is axially fixed in the second hollow shaft 13；The speed increaser shell 4 at both ends
Lower end is fixedly connected with U-shaped draw bar 9, and lift-type blade 1, which can be rotated under the action of the forces of the wind and provide torque, drives dirigible 8 to revolve
Turn, the rotation of dirigible 8 drives transmission shaft 3 to rotate again, and transmission shaft 3 drives active gear wheel 5 to rotate, and active gear wheel 5 is due to the number of teeth
More than driven pinion 6, it will drive driven pinion 6 and accelerate rotation, to drive the shaft quick rotation of generator 7 to send out
Electricity；The hawser (being not drawn into figure) for extending to ground is connected on U-shaped draw bar 9, hawser is fastened main on U-shaped draw bar 9
It is the lifting height in order to limit dirigible 8.
To dirigible type wind power generation plant in this present embodiment, mainly solve the problems, such as following:
1. how to go up to the air, by formula (1)
The weight for the volume of air that airship 8 arranges be greater than generator 7, speed increaser, conducting wire, U-shaped draw bar 9, hawser and
The summation of 8 own wt of airship, can smoothly go up to the air.
2. under wind-force how stagnant sky
Dirigible force analysis: dirigible 8 is belonged to three power junctions by wind levels thrust F, airship lift R, rope pulling force T, by
The vector triangle of power analysis and power is as shown in Figure 4.It cannot go up to the air if dirigible lift R deficiency；If lift R is less than normal, and by
Horizontal thrust it is excessive, then dirigible and ground angle α are less than normal, the practical lift-off height very little of dirigible.
Dirigible front face area itself is larger, and convenient for acting, but horizontal thrust F is also big, and the lift-off for constraining dirigible significantly is high
Degree, caused by this is the fixing means of hawser traction airship.In the present embodiment, cylindrical dirigible 8 itself rotates, and can generate
The lift (when impeller linear velocity direction is opposite with wind direction, that is, can produce lift) of similar Magnus effect improves lift-off height.It rises
When hindering bigger, dirigible and ground angle α can keep the larger value, and dirigible, which can rise, rises to larger height.
3. how to do work
Pneumatic equipment bladess are divided into lift-type and resistance-type blade, and are divided into trunnion axis and vertical shaft blade, wind energy conversion system
The calculation formula that wind energy can be acquired is
How much determinants that wind collecting is known by formula (2) are wind speed V, followed by blade wind sweeping area A and power train
Number Cp, the advantage of high-altitude wind-powered electricity generation is that the wind speed V in high-altitude is big and lasting stability, wind sweeping area A it is certain under conditions of, power train
Number CpIt is lower to be allowed.Therefore in the present embodiment, using lift-type blade NACA0012, structure similar to vertical shaft fan,
Setting angle is 0~8 degree of range, power coefficient CpUp to 15% or so.
In the present embodiment, the diameter of dirigible 8 is 3m, and the rotating diameter of lift-type blade 1 is 4m, dirigible 8 and lift-type leaf
Piece 1 constitutes wind energy conversion system, as shown in figure 5, dirigible diameter is 3m, lift-type blade 1 rotates the 2D computation model of corresponding wind energy conversion system
Diameter is 4m, is calculated using the sliding mesh method of business software Fluent, and Interface slide surface diameter is 5m, flow field
The long 45m in zoning, wide 30m, lift-type blade center of rotation are origin, and lift-type blade is away from air inlet 15m.Below to this reality
The performance for applying the dirigible type wind power generation plant of example is tested:
Boundary condition inlet porting boundary is speed entrance (velocity inlet), is exported as free flow (outflow),
Upper lower wall surface is symmetrical border (symmetrywall), and lift-type blade and dirigible boundary are set as wall surface (wall).Slip region
It is rotated together with dirigible around dirigible center comprising lift-type blade, relative velocity 0.The interface of sliding area and quiescent centre is
Interface boundary (Interface).
Taking wind speed is 6m/s, parameter of the dirigible under different rotating speeds is observed, as shown in fig. 6, torque output such as Fig. 6 (a) institute
Show, knows that torque value fluctuation is larger when dirigible revolving speed is lower by figure.Known by Fig. 6 (b), with the raising of dirigible revolving speed, dirigible institute
It is also gradually increased by horizontal thrust.Known by Fig. 6 (c), since mugnus effect Producing reason is two strands of contrary air-flows
It hits, produces the lift perpendicular with airflow direction, known by Fig. 6 (d), dirigible power coefficient when revolving speed is 7,8rad/s reaches
Maximum value, numerical value 13.2% are arrived.Known by Fig. 6 (e), since air has viscosity, although huge dirigible produces when rotated
No small lift has been given birth to, but has also consumed certain energy.Known by Fig. 6 (f), with the rising of dirigible revolving speed, dirigible rotation is accounted for
Function ratio rapidly rises.
Further, the tip-speed ratio of lift-type blade 1 is set as 2.33 or so, observes ginseng of the dirigible in different arrives stream wind speeds
Number variation, as shown in fig. 7, by Fig. 7 (a) it can also be seen that with wind-force increase, torque coefficient value also fluctuates bigger.By Fig. 7
(b) know that power coefficient is by 10% to 15% in the trend gradually risen when wind speed is changed by 3~10m/s.After this 10~
In the wind speed range of 30m/s, Power Coefficient values change about 15%.Fig. 7 (c), 7 (d) are suffered when being respectively dirigible rotation
Thrust and value of lift, both known by figure as the increase of wind-force is in the trend quicklyd increase, it is apparent that value of lift rose
Faster, numerical value is also bigger, and numerical fluctuations are relatively smaller for speed.It is more stable.7 (e) be vertical lift and level suffered by dirigible
The ratio of thrust, You Tuzhi dirigible are able to maintain 7.5 lift resistance ratio when wind speed is the gentle breeze of 3m/s, exist for dirigible
Smoothly lift-off creates good condition on ground.With the increase of wind speed, lift resistance ratio is totally in downward trend, but mad
5 or so lift resistance ratio is still able to maintain in the other wind speed of wind scale.This means that the dirigible can rise to very high aerial, composition is perpendicular
The netted wind power plant of in line column, large area capture wind energy.
Summary, the utility model are reset by the way that cylindrical hard-shell type dirigible is synthesized wind energy conversion system with lift-type blade group
Then the setting angle of lift-type blade, the aerofoil profile of lift-type blade can be rotated under the action of the forces of the wind by lift-type blade
And torque drive dirigible rotation is provided, the dirigible of rotation is raised to higher aerial, dirigible rotation drive again under the action of the forces of the wind
Transmission shaft rotation, transmission shaft drive active bull gear drive, active gear wheel due to the number of teeth be more than driven pinion, will drive from
Dynamic pinion gear accelerates rotation, to drive the shaft quick rotation of generator to generate electricity, the design based on above structure, this is practical
It is novel can smoothly to go up to the air and can generate electricity in gentle breeze, light breeze；The strong wind moment can keep hovering and generate electricity；Turn when high wind
Speed is unlikely to excessively high, and generator is avoided to be burned out；And stagnant idle job is completed using wind energy itself, the other energy is not consumed,
It can be used for high-altitude capture wind energy for a long time.
The limitation that the technical solution of the utility model is not limited to the above specific embodiments, all skills according to the present utility model
The technology deformation that art scheme is made, each falls within the protection scope of the utility model.
Claims (5)
1. a kind of dirigible type wind power generation plant, the cylindric hard-shell type dirigible including built-in helium, it is characterised in that: described to fly
The cylinder of ship is uniformly distributed on peripheries with multiple lift-type blades, each lift-type blade is identical as the vertical range of the outer wall of dirigible,
The both ends of multiple lift-type blades are fixedly connected by multiple connecting rods with the cylinder both ends of dirigible；The cylinder both ends of dirigible along
Cylinder axial line has been respectively fixedly connected with transmission shaft, and the end of transmission shaft and the power intake of speed increaser connect, the speedup
The power output end of device and the shaft of generator connect, and the generator passes through wire transmission to ground electrical equipment, speed increaser
Equipped with speed increaser shell and speed increaser case lid, the speed increaser shell lower end at both ends is fixedly connected with U-shaped draw bar, U-shaped traction
The hawser for extending to ground is connected on bar.
2. dirigible type wind power generation plant according to claim 1, it is characterised in that: the speed increaser further includes being set to
Driven pinion speed increaser shell intracorporal active gear wheel and be meshed with active gear wheel, the axis hole axis of active gear wheel
To the first hollow shaft is fixed with, the both ends of the first hollow shaft, which are fixed on to be set in speed increaser shell, is distributed in active gear wheel two
In the inner ring of the bearing of side, the end of the transmission shaft is axially fixed in the first hollow shaft, the axis hole axis of driven pinion
To the second hollow shaft is fixed with, one end of the second hollow shaft, which is fixed on to be set in speed increaser shell, is distributed in driven pinion two
In the inner ring of the bearing of side, the roller end of generator is axially fixed in the second hollow shaft.
3. dirigible type wind power generation plant according to claim 1, it is characterised in that: the model of the lift-type blade
The installation angle of NACA0012, blade string and blade aerodynamic Movement orbit tangent is 0~8 degree.
4. dirigible type wind power generation plant according to claim 3, it is characterised in that: the diameter of the dirigible is 3m, is risen
The rotating diameter of power type blade is 4m.
5. dirigible type wind power generation plant according to claim 1 to 4, it is characterised in that: the lift-type blade is set
It is set to four.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822126396.0U CN209324581U (en) | 2018-12-18 | 2018-12-18 | A kind of dirigible type wind power generation plant |
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| CN201822126396.0U CN209324581U (en) | 2018-12-18 | 2018-12-18 | A kind of dirigible type wind power generation plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505730A (en) * | 2018-12-18 | 2019-03-22 | 西安思源学院 | A kind of dirigible type wind power generation plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505730A (en) * | 2018-12-18 | 2019-03-22 | 西安思源学院 | A kind of dirigible type wind power generation plant |
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