CN102072086A - Umbrella-type wind generation system with high power - Google Patents
Umbrella-type wind generation system with high power Download PDFInfo
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- CN102072086A CN102072086A CN2009101895304A CN200910189530A CN102072086A CN 102072086 A CN102072086 A CN 102072086A CN 2009101895304 A CN2009101895304 A CN 2009101895304A CN 200910189530 A CN200910189530 A CN 200910189530A CN 102072086 A CN102072086 A CN 102072086A
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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
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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 invention discloses an umbrella-type wind generation system with high power and the system comprises a track rope, a lift guide body, umbrella ladders and a power generation apparatus, wherein one end of the track rope traverses the umbrella ladders and is tied with the lift guide body, and the other end is fastened to a weight; the lift guide body straightens the track rope to form an umbrella track; a distance is maintained between the lift guide body and an umbrella. The umbrella ladders comprise one or more umbrellas; a distance is maintained between each two adjacent umbrellas; the center of each umbrella is provided with an opening which allows the track rope to traverse; when the umbrellas are open, a great upward pulling force is formed under the effect of wind power. The umbrellas can be classified into bearing umbrellas and working umbrellas according to their effects, wherein the bearing umbrellas are fastened to the track rope to balance the system, and the working umbrellas move up and down to do work; the working umbrellas are connected with working ropes, wherein one end of each working rope is fixedly connected with the working umbrellas, and the other end is connected with the power generation apparatus; the working ropes pull the power generation apparatus to do mechanical movement, thus wind energy is converted into electric energy.
Description
Technical field
The present invention relates to a kind of high-power umbrella-type wind power generation system, relate in particular to a kind of wind energy acting that utilizes, produce the power generation system of pulling force by the umbrella of lift force guiding body guiding.
Background technique
Wind energy more and more is subjected to the attention of countries in the world as a kind of renewable energy sources of cleaning.Its amount of accumulateing is huge, and the wind energy in the whole world is about 2.74 * 10
9MW, wherein available wind energy is 2 * 10
7MW is also bigger 10 times than the water energy total amount that can develop on the earth.Wind is utilized by people very early--mainly be by windmill draw water, flour milling etc., and now, people are interested to be how to utilize wind to generate electricity.
The kinetic energy that we keep watch is transformed into mechanical energy, promotes weight or again mechanical energy is converted into electric energy, Here it is wind-power electricity generation.Utilize the trial of wind-power electricity generation, just begun as far back as the beginning of this century.The '30s, Denmark, Sweden, the Soviet Union and the U.S. use the rotor technology of aviation industry, have successfully developed some small wind-driven generators.This small-sized wind power generator extensively uses on windy island and remote rural area, and the power cost that it obtained is more much lower than the cost of electricity-generating of compact internal combustion engine.But, generated energy at that time is lower, mostly below 5 kilowatts.
Wind wheel is the vitals that the kinetic energy of keeping watch changes mechanical energy in the prior art, and it is made up of the impeller of two (or more) propeller shapes.When wind during, produce aerodynamic force on the blade and drive wind wheel and rotate to paddle.How the material requirements intensity height of blade, in light weight is made with glass fibre reinforced plastics or other composite material (as carbon fiber) at present.And wind wheel needs the supporting of iron tower.This has just caused wind power plant to need high cost.
Simultaneously, a lot of people have the experience of kiteflying.As long as the length of tether is enough, it is very high that kite can be put, and high more stable more.But the pulling force of kite is very limited, generally can be with pulling kite.We are difficult to imagination yunna spiraea, no matter be circular square or other shape, can aloft fly and keep stable as kite.
Summary of the invention
The invention provides better, the more efficient use wind energy of a kind of energy, lower-cost wind energy umbrella draw-off device.It is relevant a kind of produce huge pulling force by a umbrella of kite or the guiding of floating air balls or the wind power system that a plurality of umbrella is formed, it provides a kind of and has made a umbrella or the stabilized flight aloft of a plurality of umbrella and produce the device that huge pulling force generates electricity.
The present invention solves the problems of the technologies described above the technological scheme that is adopted to be:
A kind of high-power umbrella-type wind power generation system, it comprises track rope, lift force guiding body, at least one group of umbrella ladder and electricity generating device, and an end of described track rope passes the umbrella ladder and hitches described lift force guiding body, and the other end is anchored on the ground object; The stretching track rope of lift force guiding body and load umbrella forms a umbrella track; Maintain distance between described lift force guiding body and the described umbrella; Described umbrella ladder comprises one or more umbrellas, is divided into load umbrella and acting umbrella by its effect.Keep certain distance between described umbrella and the umbrella.Described load umbrella (or claiming the balance umbrella) is anchored on the track rope, and described acting umbrella then can slide up and down in a certain zone of track rope.Have on the track rope in described a certain zone on one link stopper and once link stopper in order to limit the sliding scale of described acting umbrella.Described acting umbrella is connected with acting rope, and the described acting end of restricting is fastenedly connected the acting umbrella, and the other end connects electricity generating device, and the pulling electricity generating device is done mechanical motion.When described acting umbrella opens, because the interaction energy of wind-force forms a huge pulling force that makes progress.This lift promotion acting umbrella upwards slides and spurs along the track rope and does work rope upwards.When the acting rope up draws, drive alternator shaft and rotate, wind energy is converted to mechanical energy by umbrella like this, and electricity generating device is converted to electric energy with mechanical energy again.
Described electricity generating device is the revolution axis type generator, and described acting rope can directly be wrapped on the described alternator shaft, drives generator and rotates.Also can be wrapped in the rotating shaft of other force transmission mechanisms such as gear-box, drive generator by described force transmission mechanism and rotate.
There is a perforate at the center of described each umbrella of umbrella ladder, and described track rope passes this perforate.
When described wind-power generating system was in running order, described load umbrella opened always, and described acting umbrella then slides up and down in a certain zone of described track rope, and the acting umbrella upwards slides when opening, when the acting umbrella is closed to lower slider.
Described lift force guiding body is one or more the combination in kite or floating air balls or the paraglider.
Described umbrella be shaped as polygonal umbrella or circular parachute, described umbrella has some (at least three) cord to be symmetrically distributed and connects umbrella body edge, the other end of described cord together or be fixed on the track rope or be fixed on the cord slide block of acting umbrella.Each corner of described polygonal umbrella all has a cord at least.
There is a perforate at the umbrella body center of described umbrella, and described track rope passes this perforate; Umbrella body slide block is installed in the perforate of described umbrella, and described umbrella body slide block flip sleeve is connected to described track rope.
Described acting umbrella has a cord slide block, and described cord slide block flip sleeve is connected to described track rope.Described cord slide block links to each other with an end of described acting rope.
Do work a kind of preferred version of umbrella open device of the present invention is: the umbrella body slide block slide opening of described acting umbrella is less than the described link stopper external diameter of going up; The umbrella body slide block slide opening of described acting umbrella is less than described link stopper external diameter down; The cord slide block slide opening of described acting umbrella is greater than described link stopper external diameter down.
The do work another kind of preferred version of umbrella open device of the present invention is: it comprises the rope of pulling back, and described rope one end of pulling back is fixed in the described block of going up, and the other end is fixed in described umbrella body slide block.
Described umbrella ladder comprises at least one load umbrella and at least one acting umbrella, and the cord of described load umbrella is fixed in described track rope, and the load umbrella can make the more acting of track rope load umbrella;
Each described acting umbrella link stopper on all having accordingly on the track rope reaches link stopper down, its tracks is between last link stopper and following link stopper, and the cord of same acting umbrella is anchored on the same cord slide block, this structure can move up and down the acting umbrella on its track, and does not disturb the normal operation of other umbrellas.
A kind of preferred version that the present invention does work in the umbrella pull device is: on the umbrella body slide block of described acting umbrella magnet is arranged, on the cord slide block of described acting umbrella magnet is arranged, the cord slide block magnet upper magnetic pole of the umbrella body slide block magnet bottom of described acting umbrella and described acting umbrella is different.
The another kind of preferred version that the present invention does work in the umbrella pull device is: on the umbrella body slide block of described acting umbrella the viscose glue pad is arranged, on the cord slide block of described acting umbrella the viscose glue pad is arranged.
A kind of preferred version of umbrella ladder of the present invention is: described load umbrella is positioned at described acting umbrella upper end.
The another kind of preferred version of umbrella ladder of the present invention is: described load umbrella and described acting umbrella are staggered.
Have on the described track rope and be fastened with the fastening piece of band acting rope by the hole.
On the link stopper of described acting rope lower end and slide block and sliding device, all there is the acting rope to pass through the hole, each acting rope is restricted by an acting by the hole, this design makes between acting rope and the acting rope, be separated from each other between the cord of acting rope and track rope and umbrella, be unlikely to be intertwined, influence the proper functioning of device.
The blowing area of described umbrella is identical with the blowing area of a umbrella on it.
The big blowing area of a umbrella thereon of the blowing area of described umbrella.
The blowing area of described umbrella can big or small alternate.
Angle is more than or equal to 15 degree, smaller or equal to 80 degree between described track rope and the ground.
The invention provides a kind of method and system that effectively utilizes wind energy power.This system produces extremely powerful pulling force, can be widely used in power field.
Description of drawings
The present invention includes following accompanying drawing:
Fig. 1 simplifies the draw-off device principle schematic most for the present invention;
Fig. 2 is umbrella ladder draw-off device schematic representation of the present invention;
Fig. 3 is the umbrella ladder draw-off device schematic representation of band acting rope of the present invention;
Fig. 4 is band acting rope of the present invention and electricity generating device connection diagram;
Fig. 5 is an embodiment of the invention schematic representation;
Fig. 6 opens principle schematic in the air for embodiment of the invention acting umbrella;
Fig. 7 is the aerial closed principle schematic of embodiment of the invention acting umbrella.
Embodiment
With embodiment the present invention is described in further detail with reference to the accompanying drawings below:
As shown in Figure 1, present embodiment is a kind of performance of simplifying most of the present invention, is used for principle of specification.It is by track rope 11, and kite 12 and umbrella 13 are formed.One end of track rope 11 hitches kite 12, and the other end is anchored on the object on ground.Umbrella 13 has many cords 14, and an end of each bar cord ties up to the edge of umbrella, and the other end is fastened on a certain position 15 of track rope 11 together.Umbrella 13 has a center drilling 16.Track rope 11 was scurried perforate 16, and umbrella 13 just can be fastened on the track rope 11 symmetrically like this.
Will maintain a certain distance between kite 12 and the umbrella 13, purpose is to allow kite lift-off earlier and the influence that is not subjected to umbrella.After the kite lift-off, slowly put the track rope and the most at last umbrella pull on together.Initial umbrella 13 is in free closed state.If wind speed is enough big, umbrella will be opened automatically and be kept stable.If at this moment you can feel strong a lot of pulling force when having only kite with pulling the track rope.
Obviously, the kite 12 of stabilized flight will make track rope 11 and ground that one metastable angle a is arranged.The size of angle is relevant with wind speed, preferably can remain between 15 degree and 80 degree.This angle makes umbrella bear an effective and metastable blast just, thereby keeps stable open mode.
The powerful pulling force that is produced by umbrella is directly proportional with the area of umbrella, and the big more pulling force of area is big more.The maximum feature of this system is to allow a little kite of blowing area drive one than the big several-fold umbrella of its blowing area, thereby produces much bigger system's pulling force.And this umbrella can drive the more large-area umbrella of the next one, produces bigger pulling force.
The shape of umbrella can be various, but preferably circle or polygonal, as Hexagon and Octagon.The cord 14 of umbrella should be no less than three, is polygonal as umbrella, and all should there be a cord each corner so, the cord equal in length on the same umbrella.The material of doing umbrella cover should be pliable and tough and durable, as nylon and acrylic etc.In order to reduce the damage of perforate 16, in the perforate wear-resisting slide block can be installed.
In addition, kite 12 also can be by replacements such as balloon that can be floating aloft or paragliders.Principle is that the rising pulling force of kite or balloon should be greater than the umbrella near kite or balloon, in other words the weight of uppermost umbrella.
System as shown in Figure 2 is by track rope 21, and kite 22 and umbrella 1 and umbrella 2 24 are formed.Umbrella one and umbrella two have been formed a simple umbrella ladder.On the principle, a umbrella ladder can have a lot of umbrellas.
The invention provides a kind of method and system that effectively utilizes wind energy.This system produces extremely powerful pulling force, can be widely used in generating or promote weight etc.
Shown in Figure 3 is the complete relatively umbrella that can be used to generate electricity a ladder system.It is by guiding kite 32, load umbrella (or claiming balance umbrella) 33, acting umbrella 34, track rope 31 and acting rope 35 compositions.Square frame 36 expression ground force transmission and power generation parts.Ordinary circumstance lower railway rope 31 will be fixed on the object on ground, and acting rope 35 may be in a rotating shaft.Guiding kite 32 also can replace by may float on aerial balloon, and the load umbrella can be more than one.
Fig. 4 is an improved system, and it has acting umbrella 44 and acting umbrella 48 and acting rope 42 and acting rope 43.Two acting umbrella rise and fall times are staggered just can guarantee substantially that system turns round continuously.
As shown in Figure 4, the moving region of acting umbrella 44 is A, and the moving region of acting umbrella 48 is B.Two acting umbrellas slide on same track rope 43, but can not bump together.Because connect the moving region A that the acting rope 43 of acting umbrella 48 needs by acting umbrella 44, on design acting umbrella 44, need consider to allow acting rope 43 freely pass through when block 45 and top slide block 46 and bottom slide block 47.
Restrict in the rotating shaft of generator 51 for acting, drive the work signal that generator rotates.
As shown in Figure 5, for being the complete umbrella that can be used to generate electricity a ladder system.It is by guiding kite 61, two load umbrellas 62, acting umbrella 63, and track rope 64 and acting rope 65 and generator set 66 are formed.Ordinary circumstance lower railway rope 64 will be fixed on the object on ground, and acting rope 65 may be in a rotating shaft.Guiding kite 61 also can replace by may float on aerial balloon, and acting umbrella 63 can be more than one.
The number of umbrella increases as required.The purpose that increases the quantity of umbrella is in order to increase the overall blowing area of system, thereby produces bigger pulling force.
The quantity of umbrella can reach tens even hundreds of, depends primarily on the length and the intensity of track rope.
The key that the present invention is used for wind energy power is how to realize doing work the skyborne folding of umbrella and along the periodic motion up and down of track rope reliably.Such folding mechanism has been arranged, and the terraced system of this umbrella just can be widely used in powerful wind energy power.The folding of acting umbrella is described below with reference to Fig. 6 and Fig. 7.
Two states when Fig. 6 and Fig. 7 are respectively acting umbrella open and close.With reference to Fig. 6, acting umbrella 72 has two wear-resisting slide blocks 73 and 74, and the umbrella 72 that does work like this can move up and down along track rope 71.As shown in the figure, top slide block 73 is at the center of umbrella cover, and bottom slide block 74 allows all cords of umbrella be intertwined.In addition, slide block also respectively has a magnet 75 up and down.The moving region of acting umbrella 72 is between last block 76 and following block 77.The pulling force that acting umbrella 72 produces generates electricity by the alternator shaft that acting rope 78 drives ground.Acting rope 78 is independent of track rope 71 but connects together with bottom slide block 74.Paper clip 79 is fixed on the track rope 71, and its effect is to allow acting rope 78 be close to track rope 71.
Under certain wind conditions, acting umbrella 72 will be in open mode, and drive acting rope 78 moves upward together.Run into when top slide block 73 and will be blocked stop motion by it when going up block 76, and other parts of umbrella and bottom slide block 74 and acting rope 78 will continue to move upward under blast and action of inertia, the effective blowing area of umbrella 72 of doing work simultaneously constantly reduces (umbrella is export-oriented gradually to be drawn in), till bottom slide block 74 is run into top slide block 73.Because two slide blocks respectively have magnet 75 up and down, they will be inhaled together, and as shown in Figure 7, this state is the closed state of acting umbrella.
When umbrella is in closed state, the blowing area of umbrella is relatively very little, and is can be at an easy rate past drop-down by the acting rope 78 of the pulling back umbrella that will do work.When moving down block 77 positions to, following block 77 will allow bottom slide block 74 pass through, but block top slide block 73.To be forced to separately toward 78, two slide blocks 73 of drop-down acting rope and 74 if continue.If wind speed is enough, such as being no less than 3m/ second, the acting umbrella will be opened once more automatically, thereby begins new moving up and down the cycle.
Obviously, acting umbrella 72 goes up next all stroke and can be divided into simply and start from down working stroke that block 77 terminates in block 76 and start from the recovery stroke that block 76 terminates in down block 77.Rise when umbrella is opened and do work, descend when umbrella is closed and reply.Although working stroke and recovery stroke equal in length, response time can be than short many of working application time, such as may only account for response time the whole cycle 10% in addition shorter.Obviously, the response time of acting umbrella is short more, and the generating efficiency of whole system will be big more.
It is to be noted that the mutual attraction of two blocks of magnet 75 must be suitably.If the too weak acting umbrella that just can't guarantee to be in closed state is withdrawn into the initial point of its working stroke; If too strong, the slide block up and down that just is difficult to will inhale together separates.
Be pointed out that also that in addition utilizing magnet is a simple and practical example.Also can utilize other method to reach same purpose, such as viscose glue pad etc.
Equally, the stroke of block 76 and 77 control acting umbrellas also is the example of a practicality about the utilization.In fact, when restricting 78 the time toward drop-down acting, also can utilize the way of unexpected acceleration will inhale together slide block separately, so just can not need time block.For another example, also can utilize a short rope, its length and working stroke are suitable, and short rope one end lies in block, and the other end connects together with top slide block 73.When the acting umbrella drops to short rope and is straightened, pulling on the acting rope just nature can draw back the slide block of inhaling together.
Two slide blocks 73 and 74 main effect are to allow the acting umbrella be free to slide on track rope 71.Obviously also can utilize pulley or alternate manner to realize same target.
The invention provides a kind of method and system that effectively utilizes wind energy.This system produces extremely powerful pulling force, can be widely used in generating or promote weight etc.
Those skilled in the art do not break away from essence of the present invention and spirit, can there be the various deformation scheme to realize the present invention, the above only is the preferable feasible embodiment of the present invention, be not so limit to interest field of the present invention, the equivalent structure that all utilizations specification of the present invention and accompanying drawing content are done changes, and all is contained within the interest field of the present invention.
Claims (10)
1. high-power umbrella-type wind power generation system is characterized in that:
It comprises track rope, lift force guiding body, at least one group of umbrella ladder and electricity generating device,
One end of described track rope passes the umbrella ladder and hitches described lift force guiding body, and the other end is anchored on the ground weight;
Described umbrella ladder comprises load umbrella and acting umbrella,
Described load umbrella has three cords at least, and an end of each root cord hitches the edge of umbrella, and the cord of the other end is anchored on described track rope;
Rare three cords of described acting umbrella, an end of each root cord hitches the edge of umbrella, and the cord of the other end is anchored on can be on the slide block that described track rope slides;
Each described acting umbrella link stopper on all having on the track rope reaches link stopper down, and its tracks is between last link stopper and following link stopper;
Maintain distance between the umbrella that each described umbrella all is adjacent; Also maintain distance between the umbrella that described lift force guiding body is adjacent;
Described acting umbrella slides up and down at described track rope, and described acting umbrella is connected with acting rope, and the described acting end of restricting is fastenedly connected the acting umbrella, and the other end connects electricity generating device, and the pulling electricity generating device is done mechanical motion.
2. a kind of high-power umbrella-type wind power generation system according to claim 1 is characterized in that: described electricity generating device is the revolution axis type generator, and described acting rope is wrapped on the described alternator shaft, drives generator and rotates.
3. a kind of high-power umbrella-type wind power generation system according to claim 1 is characterized in that: there is a perforate at the center of described umbrella, and described track rope passes this perforate; In the perforate of described umbrella slide block is installed, described slide block flip sleeve is connected to described track rope.
4. according to claim 1 or 3 described a kind of high-power umbrella-type wind power generation systems, it is characterized in that: the umbrella body slide block slide opening of described acting umbrella is less than the described link stopper external diameter of going up; The umbrella body slide block slide opening of described acting umbrella is less than described link stopper external diameter down; The cord slide block slide opening of described acting umbrella is greater than described link stopper external diameter down.
5. according to claim 1 or 3 described a kind of high-power umbrella-type wind power generation systems, it is characterized in that: it comprises the rope of pulling back, and described rope one end of pulling back is fixed in the described block of going up, and the other end is fixed in described umbrella body slide block.
6. a kind of high-power umbrella-type wind power generation system according to claim 1 is characterized in that: described lift force guiding body is one or more the combination in kite or floating air balls or the paraglider.
7. a kind of high-power umbrella-type wind power generation system according to claim 1 is characterized in that: described umbrella be shaped as polygonal umbrella or circular parachute, each corner of described polygonal umbrella all has a cord at least.
8. a kind of umbrella ladder wind power type power generation system according to claim 1, it is characterized in that: on the umbrella body slide block of described acting umbrella magnet is arranged, on the cord slide block of described acting umbrella magnet is arranged, the cord slide block magnet upper magnetic pole of the umbrella body slide block magnet bottom of described acting umbrella and described acting umbrella is different.
9. a kind of umbrella ladder wind power type power generation system according to claim 1 is characterized in that: on the umbrella body slide block of described acting umbrella the viscose glue pad is arranged, on the cord slide block of described acting umbrella the viscose glue pad is arranged.
10. a kind of umbrella ladder wind power type power generation system according to claim 1 is characterized in that: have on the described track rope to be fastened with the fastening piece of band acting rope by the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101895304A CN102072086A (en) | 2009-11-25 | 2009-11-25 | Umbrella-type wind generation system with high power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101895304A CN102072086A (en) | 2009-11-25 | 2009-11-25 | Umbrella-type wind generation system with high power |
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| CN2009101895304A Pending CN102072086A (en) | 2009-11-25 | 2009-11-25 | Umbrella-type wind generation system with high power |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220938A (en) * | 2011-06-08 | 2011-10-19 | 广东高空风能技术有限公司 | Umbrella type wind power device and wind power system |
| CN108438235A (en) * | 2018-05-18 | 2018-08-24 | 深圳市百川融创科技有限公司 | Multiple wing umbrella |
| CN113915054A (en) * | 2021-10-28 | 2022-01-11 | 重庆交通大学绿色航空技术研究院 | Reciprocating umbrella ladder power generation device and method |
-
2009
- 2009-11-25 CN CN2009101895304A patent/CN102072086A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220938A (en) * | 2011-06-08 | 2011-10-19 | 广东高空风能技术有限公司 | Umbrella type wind power device and wind power system |
| CN102220938B (en) * | 2011-06-08 | 2012-11-28 | 广东高空风能技术有限公司 | Umbrella type wind power device and wind power system |
| CN108438235A (en) * | 2018-05-18 | 2018-08-24 | 深圳市百川融创科技有限公司 | Multiple wing umbrella |
| CN108438235B (en) * | 2018-05-18 | 2024-05-10 | 深圳市百川融创科技有限公司 | Multi-wing umbrella |
| CN113915054A (en) * | 2021-10-28 | 2022-01-11 | 重庆交通大学绿色航空技术研究院 | Reciprocating umbrella ladder power generation device and method |
| CN113915054B (en) * | 2021-10-28 | 2023-02-24 | 重庆交通大学绿色航空技术研究院 | Reciprocating umbrella ladder power generation device and method |
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Application publication date: 20110525 |