CN109667719B - Power generation system capable of efficiently utilizing wind power - Google Patents
Power generation system capable of efficiently utilizing wind power Download PDFInfo
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- CN109667719B CN109667719B CN201910113307.5A CN201910113307A CN109667719B CN 109667719 B CN109667719 B CN 109667719B CN 201910113307 A CN201910113307 A CN 201910113307A CN 109667719 B CN109667719 B CN 109667719B
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- 238000010248 power generation Methods 0.000 title claims abstract description 249
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 28
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 230000036544 posture Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/30—Wind motors specially adapted for installation in particular locations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/30—Wind motors specially adapted for installation in particular locations
- F03D9/32—Wind motors specially adapted for installation in particular locations on moving objects, e.g. vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/92—Mounting on supporting structures or systems on an airbourne structure
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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
-
- 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
- Y02E10/728—Onshore wind turbines
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a power generation system capable of efficiently utilizing wind power, which comprises an aircraft, a cable and a wind power generation device, wherein the top end of the cable is connected with the aircraft, the bottom end of the cable is connected to the ground or a maneuvering device, and the wind power generation device is connected to the cable; or the wind power generation device is connected to the tower, and the bottom end of the tower is anchored on the ground or the maneuvering device. The wind power generation system efficiently utilizes wind power, changes the fixed installation mode of the traditional wind power generation device, has an independent windward posture in the air, can always face the wind direction, can adjust the air inlet of the outer wind cover along with the wind direction, ensures the utilization of wind power to the greatest extent, improves the power generation efficiency, and can increase the generated energy by 30 percent compared with the traditional power generation mode under the same time. The power generation system for efficiently utilizing wind power has the advantages of high power generation efficiency, large power generation capacity, flexible deployment and stable operation, and is worthy of popularization and application.
Description
Technical Field
The invention relates to a power generation system capable of efficiently utilizing wind power, and belongs to the technical field of wind power generation equipment.
Background
Wind energy is used as a clean energy source, the wind energy is inexhaustible, the wind energy is used for generating electricity in recent decades to become one of important modes of electric power sources, and meanwhile, compared with other power generation modes, the wind energy generation has the advantages of low construction and maintenance cost, convenience in installation and construction and the like.
In order to efficiently utilize wind energy to generate electricity, a wind speed meeting the requirement is needed, and often, a low wind speed cannot meet the electricity generation requirement, which is why a wind energy generator is generally built on a mountain and a wind gap, and low-altitude wind energy utilization is difficult to improve efficiency in common occasions. The wind speed in the high altitude is far higher than the ground, the wind speed is less influenced by the topography and the topography, the wind energy is stable, so the wind energy density in the high altitude is far higher than the ground and can be ten times to hundred times of the wind energy density in the low altitude, and the generation by utilizing the wind energy in the high altitude is still in the exploring stage at present.
Disclosure of Invention
The invention aims to provide a power generation system capable of efficiently and stably utilizing high-altitude wind energy, which is used for solving the problem of the lifting height of the high-altitude power generation system, reducing the horizontal distance from a ground connection point when the power generation system works and increasing the deployment density when a plurality of wind energy power generation systems are deployed. Meanwhile, the operation stability and the flexibility of deployment and maintenance of the high-altitude power generation system are solved. Under the same thought, the invention also provides a power generation system which is arranged on the tower and efficiently and stably utilizes low-altitude wind energy.
Term interpretation: the air passage area refers to the area in the fan housing which allows the air flow to pass through or the section area between the flow divider and the fan housing which can allow the air flow to pass through.
The technical scheme of the invention is as follows:
The power generation system capable of efficiently utilizing wind power comprises an aircraft, a cable and wind power generation devices, wherein the upper end of the cable is connected with the aircraft, the lower end of the cable is connected to the ground and/or a ground maneuvering device, and one or more wind power generation devices are connected to the cable; the wind power generation device comprises an outer wind cover and a wind power generation part, wherein a part which is acted by wind power in the wind power generation part is arranged in the outer wind cover and/or at the rear opening of the outer wind cover, and the wind power generation part is equipment which is used for providing acting by wind power to generate voltage. The ground comprises a building connected with the ground and a building connected with the water surface and the water surface.
Preferably, when the aircraft and/or the wind power plant is connected to more than two cables, the other end of the cables is connected to the ground and/or to a ground control device, which is at least one movable point on the endless track around at least one fixed point or at least two movable points on the endless track supporting a relative movement. The advantage of this arrangement is that by means of the points which can be moved relative to each other, a moment is provided which is transmitted by the cable to the aircraft and/or the wind power plant for changing the windward attitude of the aircraft and/or the wind power plant.
Preferably, when the aircraft and/or wind power plant is connected to more than two cables, the other end of the cables is connected to at least two mutually independent ground manoeuvring means. The advantage of this arrangement is that the ground manoeuvring devices, which are independent of each other, are flexible in terms of the amount of torque produced by the smaller structure by varying the distance between each other.
Preferably, the motorized device comprises an engineering vehicle, a ship, a submarine. The advantage of this design is that the mobility device has mobility capability, and the mobility device can drag the whole power generation system away from areas that are unfavorable for the wind power generation device, such as areas with climate disasters or too small wind forces.
Preferably, the wind power generation device has a structure in which the air passage area is reduced by gradually reducing the outer cover and/or by the outer cover and the splitter in the outer cover.
Further preferably, the maximum air passage area in the outer fan cover is at least 4 times of the minimum air passage area.
Preferably, the wind power generation part comprises a turbine and a generator, and the turbine drives the generator to generate electricity.
Preferably, the turbine is arranged in the outer fan housing and/or at the rear opening, the turbine drives the generator, the front end of the outer fan housing is an air inlet, the rear end of the outer fan housing is an air outlet, and the caliber of the air inlet is greater than or equal to that of the air outlet.
Preferably, when the splitter is arranged in the outer fan cover, the splitter is in a gradually-expanding structure from the head part to the tail part, the turbine is arranged on the surface or behind the splitter, and the turbine is in transmission connection with the generator.
Preferably, a supporting and rotating component is arranged between the cable and the aircraft, and the supporting and rotating component is arranged on the cable and/or the aircraft above the wind power generation device. The design has the advantages that the axial rotating force of the cable can be selectively transmitted to the aircraft, so that the windward postures of the aircraft and the wind power generation device can be mutually independent.
Preferably, the connection part of the wind power generation device and the cable is provided with a supporting rotating component and/or a soft connection. The advantage of this arrangement is that it facilitates axial rotation of the wind power plant around the cable without rotation of the cable.
Preferably, the wind power generation device takes a cable as a rotating shaft and is in a front-back asymmetric structure, and the wind receiving area behind the rotating shaft is larger than the wind receiving area in front of the rotating shaft. The design has the advantages that when the wind power generation device is subjected to wind both front and back, the tail is pushed by the wind, so that the front end of the wind power generation device faces the direction of the source of the wind power.
Preferably, the number of the connection points between the wind power generation device and the cable is at least two; when the wind power generation device is not directly connected with the cable, the connecting piece between the wind power generation device and the cable is not crossed. The design has the advantage that the cable can provide moment for the wind power generation device through at least two connecting points, so that the wind power generation device is prevented from rotating axially.
Preferably, the outer shroud and/or the diverter is not provided before the cable is connected to the wind power plant. The advantage of this arrangement is that the cable only provides tension to the outer housing or diverter, which reduces the stiffness requirements of the outer housing or diverter.
Preferably, the wind power generation device is provided with a supporting rod penetrating through the windward side, the supporting rod provides support for the shape of the wind power generation device or provides shape change for the wind power generation device by changing the distance between the supporting rod and the connection point of the wind power generation device.
Preferably, the support rods and/or cables are provided as flat wind guiding structures. The advantage of this arrangement is that the wind resistance of the support bar and/or cable to the wind power plant is reduced.
Preferably, when the cable is connected to the wind power generation device, the projection of the cable on the wind power generation device passes through the windward side of the wind power generation device. The advantage of this arrangement is that the cable can be made to provide support for the shape of the wind energy plant when the material strength is insufficient to support the shape of the outer wind shield.
Preferably, when the cable is connected to the wind power generation device, the projection of the cable on the wind power generation device does not pass through the windward side of the wind power generation device. The advantage of this arrangement is that the blocking of the wind entering the wind power plant by the cable is reduced.
Preferably, on the same cable and one wind power generation device connected with the same cable, at least one triangle structure is arranged, and the triangle structure connects at least two axial points on the cable and at least two points on the wind power generation device. The advantage of this design is that the delta structure can provide an upward force for the wind power plant on the side that is somewhat farther from the cable.
Preferably, at least one side of the triangular structure is provided with a linear bearing. The design has the advantages that the side length of the triangle can be changed through the linear bearing, so that the wind power generation device can be adjusted in a vertical tiny angle, and the wind power generation device can maintain the windward posture to the greatest extent.
Preferably, the connection part of the wind power generation device and the cable is provided with a sleeve-shaped device for supporting the wind power generation device to move along the axial direction of the cable. The design has the advantages that the sleeve-shaped arrangement enables the wind power generation device to finish lifting operation without lifting of the cable.
Preferably, the sleeve-like device provides lifting power by means of an electric or auxiliary cable.
Preferably, the cable and/or auxiliary cable drive the cable and/or auxiliary cable to lift through a pulley positioned above the wind power generation device and/or on the aircraft, so as to drive the wind power generation device to lift.
Preferably, the aircraft comprises unmanned aerial vehicles, fixed wings, airships, kites and helicopters.
Preferably, the ratio of the vertical upward force provided by the aircraft to the resistance force of the wind in the horizontal direction is greater than or equal to the ratio of the vertical upward force provided by the wind power generation device to the horizontal force.
Preferably, the aircraft has a flat shape and/or is streamlined and/or has thrust means thereon.
The power generation system capable of efficiently utilizing wind power comprises a tower and a wind power generation device, wherein the wind power generation device is connected to the tower, and the bottom end of the tower is connected to the ground and/or a maneuvering device; the wind power generation device comprises an outer wind cover and a wind power generation part, wherein a part which is acted by wind power in the wind power generation part is arranged in the outer wind cover and/or at the rear opening of the outer wind cover, and the wind power generation part is equipment which is used for providing acting by wind power to generate voltage. The design has the advantages that the bottom end of the tower can be fixed on the ground, a ground building, a water surface and a water surface building, or can be fixed on a maneuvering device, the maneuvering device can move the spatial position of the tower, and the maneuvering device can drag the whole power generation system to be far away from areas which are unfavorable for the wind power generation device, such as climate disasters or areas with too small wind power.
Preferably, the motorized device comprises an engineering vehicle, a ship, a submarine.
Preferably, the wind power generation device has a structure in which the air passage area is reduced by gradually reducing the outer cover and/or by the outer cover and the splitter in the outer cover.
Further preferably, the maximum air passage area in the outer fan cover is at least 4 times of the minimum air passage area.
Preferably, the wind power generation part comprises a turbine and a generator, and the turbine drives the generator to generate electricity.
Preferably, the turbine is arranged in the outer fan housing and/or at the rear opening, the turbine drives the generator, the front end of the outer fan housing is an air inlet, the rear end of the outer fan housing is an air outlet, the caliber of the air inlet is larger than or equal to that of the air outlet, when the splitter is arranged in the outer fan housing, the splitter is in a gradually-expanding structure from the head part to the tail part, the turbine is arranged on the surface or the rear of the splitter, and the turbine is in transmission connection with the generator.
Preferably, the wind power generation device takes a tower or a cable connected to the tower as a rotating shaft, has an asymmetric structure in front and back, and the wind receiving area behind the rotating shaft is larger than the wind receiving area in front of the rotating shaft.
Preferably, the wind power generation device adjusts the windward direction through a rotating device on the tower.
Preferably, the tower is provided with a hard cross bar which is in cross connection with the tower, and one end of the cross bar is connected with the wind power generation device. The design has the advantages that the hard cross rod can provide upward tension for the wind power generation device, and the stability of the air posture of the wind power generation device is improved.
Preferably, the cross bar is hinged with the tower, and the windward angle of the wind power generation device is changed by adjusting the crossing angle of the cross bar and the tower.
Preferably, the number of connection points of the wind power generation device and the tower and/or the cable connecting the tower is at least two; when the wind power plant is not directly connected to the cable, the connection between the wind power plant and the tower and/or the cable connecting the tower is not crossed.
Preferably, the outer nacelle and/or the splitter are not provided before the tower is connected to the wind power plant. The advantage of this arrangement is that the tower only provides tension to the nacelle or the splitter, which reduces the stiffness requirements of the nacelle or splitter.
Preferably, the wind power generation device is provided with a supporting rod penetrating through the windward side. The advantage of this design is that the support bar provides support for the shape of the wind power plant or shape change for the wind power plant by changing the distance of the connection point of the support bar to the wind power plant.
Preferably, when the cable is connected to the wind power generation device, the projection of the cable on the wind power generation device passes through the windward side of the wind power generation device. The arrangement enables the cable to provide support to the shape of the wind power plant or to provide a shape change by varying the distance between the cable and the connection point of the wind power plant.
Preferably, the tower and/or the support bar has an air guiding structure. The design has the advantages that the wind guide structure, such as a flat structural design or a partial hollowed-out design, is adopted, so that on one hand, the weight can be reduced, and on the other hand, the wind resistance can be reduced in the air.
Preferably, the projection of the tower on the wind power generation device does not pass through the windward side of the wind power generation device when the tower is connected with the wind power generation device.
Preferably, the balancing pole is arranged on the tower, the windward area of the balancing pole is smaller than that of the wind power generation device, and when the mass of the wind power generation device on two sides of the tower is unbalanced, the balance weight and/or downward connection is arranged at the other end of the balancing pole.
Preferably, the wind power generation device and/or the balance bar are/is connected downwards with one or more movable points capable of moving around the tower, and the movable points drag the wind power generation device to adjust the windward direction. The design has the advantages that the moving point provides forward and downward force on the whole system when the moving point is on the windward side of the tower, and the wind resistance of the whole system is improved.
Preferably, the same tower is connected with a wind power generation device, and at least one triangular structure is arranged on the same tower and is connected with at least two axial points on the tower and at least two points on the wind power generation device. The advantage of this design is that the delta structure can provide an upward force to the wind power plant on the side that is somewhat further from the tower.
Preferably, at least one side of the triangular structure is provided with a linear bearing. The design has the advantages that the side length of the triangle can be changed through the linear bearing, so that the wind power generation device can be adjusted in a vertical tiny angle, and the wind power generation device can maintain the windward posture to the greatest extent.
Preferably, the connection part of the wind power generation device and the tower or a cable connected with the tower is provided with a sleeve-shaped device for supporting the wind power generation device to move along the axial direction of the tower. The design has the advantages that the sleeve-shaped device can support the wind power generation device to lift and provide a certain pulling force for the wind power generation device.
Preferably, the sleeve-like device provides lifting power by means of an electric or auxiliary cable.
Preferably, the top end of the tower is provided with a fixed pulley, the fixed pulley is wound with a lifting rope, the front end of the wind power generation device is connected to the lifting rope, and the wind power generation device ascends and descends along with the lifting of the lifting rope.
Preferably, a shearing fork structure is arranged on the tower, and the two separated forks are respectively connected with two sides of the wind power generation device. The design has the advantage that the tower can not block the windward side of the wind power generation device by the shear fork structure.
The invention has the beneficial effects that:
The invention relates to a power generation system capable of efficiently utilizing wind power, which changes the fixed installation mode of a traditional wind power generation device, has an independent windward posture in the air, an outer wind cover can always face the wind direction, an air inlet of the outer wind cover can be adjusted along with the wind direction, the utilization of wind power to the greatest extent is ensured, the power generation efficiency is improved, the lifting height of the power generation device can be improved by utilizing the characteristics of an aircraft, and the horizontal deflection of the system is reduced. Compared with the traditional power generation mode, the power generation amount can be increased by 30% under the same time. The power generation system for efficiently utilizing wind power has the advantages of high power generation efficiency and large power generation capacity, has higher economic value and market benefit, and is worthy of popularization and application.
Drawings
FIG. 1 is a schematic diagram of the power generation system of the present invention (single cable);
FIG. 2 is a schematic illustration of the power generation system of the present invention (a single cable connected to a motorized device);
FIG. 3 is a partial schematic view of the power generation system of the present invention (a single cable passing through the air intake);
FIG. 4 is a partial schematic view of the power generation system of the present invention (with a single cable not passing through the air intake);
FIG. 5 is a schematic diagram of the power generation system of the present invention (two cables);
FIG. 6 is a schematic diagram of the power generation system of the present invention (two cables connected to a slider);
FIG. 7 is a schematic diagram of the power generation system of the present invention (two cables connected to a motorized device);
FIG. 8 is a partial schematic view of the power generation system of the present invention (two cables on either side of the outer housing);
FIG. 9 is a partial schematic view of the power generation system of the present invention (two cables passing through the air inlet of the outer housing);
FIG. 10 is a schematic diagram of the structure of the power generation system (tower) of the present invention;
FIG. 11 is a partial schematic view (tower) of the power generation system of the present invention;
FIG. 12 is a schematic diagram of the structure of the power generation system (tower) of the present invention;
FIG. 13 is a schematic view of the structure of the power generation system of the present invention (tower connected to the motorized equipment);
FIG. 14 is a schematic diagram of the power generation system of the present invention (tower connected balance bar);
FIG. 15 is a schematic view of the structure of the power generation system of the present invention (balance bar connected slider);
FIG. 16 is a schematic diagram of the structure of the power generation system (tower) of the present invention;
FIG. 17 is a schematic diagram of a wind energy power plant according to the present invention;
FIG. 18 is a schematic diagram of a wind energy power plant (without a shunt) according to the present invention;
Wherein: 1. an aircraft; 2. a wind power generation device; 3. a cable; 4. a motorized device; 5. a tower; 6. a U-shaped supporting frame; 7. a fixed connection point; 8. a cable; 9. a slider; 10. a balance bar; 11. a sleeve-like device; 12. a traction rope; 13. an outer fan cover; 14. a shunt; 15. a power generation section; 16. the rotary member is supported.
Detailed Description
The invention will now be further illustrated by way of example, but not by way of limitation, with reference to the accompanying drawings.
Example 1:
As shown in fig. 1, the present embodiment provides a power generation system that efficiently uses wind power, including an aircraft 1, a cable 3, and a wind power generation device 2, wherein the top end of the cable 3 is connected to the aircraft 1, the bottom end of the cable 3 is anchored to the ground, and the wind power generation device 2 is connected to the cable 3.
Specifically, in this embodiment, a cable 3 is adopted to suspend and connect 2 wind power generation devices 2, the bottom end of the cable 3 is anchored on the ground of a mountain (the specific location is determined by an expert), in addition, the ground in this embodiment also includes the roof ground of a high-rise building, and an aircraft is only required to be one of an unmanned plane, a airship, a balloon or a helicopter, which is determined according to the use environment.
A supporting and rotating part 16 is arranged between the top end of the cable 3 and the aircraft 1, so that the axial rotating force of the cable can be selectively transmitted to the aircraft, and the windward postures of the aircraft and the wind power generation device can be mutually independent.
The wind power generation device adopts the technical scheme in China patent application No. 2018110959516, has higher power generation efficiency compared with other power generation devices, and structurally mainly comprises an outer fan housing, and a generator, a turbine and a shunt which are arranged in the outer fan housing; the front end of the outer fan housing is an air inlet, the rear end of the outer fan housing is an air outlet, the caliber of the air inlet is larger than or equal to that of the air outlet, the flow divider is in a gradually-expanding structure from the front part to the tail part, the turbine is arranged on the surface or behind the flow divider and is in transmission connection with the generator, the wind power generation device is structurally shown in fig. 17, the air passage area at the largest part in the outer fan housing is 4 times of that at the smallest part, and the part (turbine) subjected to wind power in the wind power generation part is positioned in the outer fan housing.
The front end of the outer fan housing of each wind power generation device 2 is connected with a cable 3 through an upper linear bearing and a lower linear bearing, the cable 3 passes through the windward side of the air inlet of the outer fan housing, as shown in fig. 3, the rear end of the outer fan housing 13 is connected with the cable through a cable, one end of the cable is connected with the cable through a bearing, and the other end of the cable is provided with a hook and is connected with a pull ring at the rear end of the outer fan housing. The connection point of the two linear bearings and the cable form a stressed triangle, so that the windward attitude of the wind power generation device in the air can be ensured, and meanwhile, the linear bearings can be adopted to enable the wind power generation device to realize up-down tiny position adjustment, so that the outer wind cover can keep the windward attitude to the maximum extent, and wind power generation is utilized to the maximum extent.
The appearance of the aircraft 1 is flat streamline, the resistance of the borne wind can be reduced, and the ratio of the vertical upward force provided by the aircraft to the resistance of the borne wind is more than or equal to the ratio of the vertical upward force provided by the wind power generation device to the horizontal force.
Meanwhile, the air inlet end of the outer fan housing is reinforced and supported by the inner supporting frame or made of light high-strength materials, so that the outer fan housing is not deformed when the outer fan housing is subjected to strong wind force at high altitude, the weight of the rear end (the air outlet end) of the outer fan housing is larger than that of the front end (the air inlet end), the air inlet end of the outer fan housing can automatically adjust the windward direction under the action of wind force in the windward direction, the air inlet end is enabled to face the windward direction all the time, and wind power generation is utilized to the greatest extent.
Example 2:
As shown in fig. 2, the present embodiment provides a power generation system that efficiently uses wind, which is structured as described in embodiment 1, and is different in that: 6 wind power generation devices 2 are hung and connected on one cable 3, and the bottom end of the cable 3 is anchored on the maneuvering device. In this embodiment, the engineering vehicle is selected as the maneuvering device, and the engineering vehicle can move the power generation system from one place to another place, so as to meet various requirements, such as grasslands, deserts, gobi and other engineering places without wire transmission.
When the motor device drives the whole system to transfer, the upper aircraft is left empty, so that the cost for redeploying the system is reduced. When the power generation system is moved to a designated place by the motorized device, the lower end of the cable is anchored to the ground or the motorized device itself is anchored to the ground. In addition, as shown in fig. 4, the air inlet at the front end of the outer fan housing is connected with a cable through a common rolling bearing, and the cable does not pass through the windward side of the air inlet of the outer fan housing, so that the influence on the wind power (weakening the wind power) is avoided.
The bottom end of the cable 3 is fixed on the maneuvering device 2, the maneuvering device 2 can also be selected from a ship or a submarine, and the like, particularly according to the use situation, the power generation system can be applied to the sea surface in a large area due to the large wind force on the sea, for example, the bottom end of the cable is fixedly connected on a hovercraft, and the ocean wind power generation can be fully utilized. The motorized device can provide downward and forward force to the entire wind power generation system, and can apply the entire power generation system on hills, plateaus or sea surfaces. In addition, the power generation system can be conveniently moved by the maneuvering device, and the power generation area of the power generation system can be adjusted by the maneuvering device for areas with strong monuments.
Example 3:
As shown in fig. 5, the present embodiment provides a power generation system using wind efficiently, which is structured as described in embodiment 1, and is different in that: two cables 3 are used for connecting the wind power generation device 2, the aircraft 1 provides upward tension for two points on the wind power generation device 2, and the two cables 3 are positioned on two sides of the outer fan housing and connected with the outer fan housing through linear bearings. The two cables are connected with the two sides of the outer wind cover, the cables do not pass through the windward side (as shown in fig. 8, the cables are arranged on the outer side of the outer wind cover and do not pass through the outer wind cover, so that the air inlet resistance of the cables to the windward side is reduced), the outer wind cover can be subjected to stress balance, the cables are omitted, and the windward posture of the outer wind cover in the air can be ensured.
Example 4:
As shown in fig. 6, the present embodiment provides a power generation system using wind efficiently, which is structured as described in embodiment 3, and is different in that: the bottom ends of one cable 3 (the other cable is fixed) or two cables are installed and connected on a sliding device, the sliding device comprises an annular rail and a sliding trolley, the bottom ends of the cables are anchored on the sliding trolley, and the sliding trolley is embedded on the annular rail. When the power generation system is in a certain place for a long time, such as a mountain top or a roof of a high-rise building, the windward direction and the air windward posture of the wind power generation device can be manually adjusted through the sliding device, and the wind power generation is utilized to the greatest extent.
Example 5:
As shown in fig. 7, the present embodiment provides a power generation system using wind efficiently, which is structured as described in embodiment 4, and is different in that: the bottom ends of the two cables 3 are anchored on an engineering vehicle, and the engineering vehicle can move the power generation system from one place to another place, so that various requirements, such as grasslands, deserts, gobi and other engineering places without wire transmission, can be met.
The 2 or more than 2 engineering vehicles are driven to do relative motion, so that 2 or more than 2 cables are driven to adjust the windward attitude of the aircraft 1 and/or the wind power generation device 2, a supporting and rotating component 16 is arranged between the cable 3 and the aircraft 1, and the windward attitude of the aircraft is not influenced when the ground adjusts the windward attitude of the wind power generation device. When the support rotation member 16 has a locking function and is locked, the ground can adjust the windward attitude of the wind power generation device and the aircraft at the same time.
The cables are arranged at two sides of the outer fan cover, and penetrate through the inner cavity of the outer fan cover, as shown in fig. 9, the structure can enhance the stability of the outer fan cover in strong wind (although the wind resistance of the windward side is increased), and the upper and lower movement of the outer fan cover can be realized through the linear bearings.
Example 6:
As shown in fig. 10 to 12, a power generation system using wind efficiently includes a tower 5 and a wind power generation device 2, the wind power generation device 2 being connected to the tower 5, the bottom end of the tower 5 being anchored to the ground.
The wind power generation device 2 comprises an outer fan housing, a generator, a turbine and a shunt; the front end of the outer fan housing 13 is an air inlet, the rear end is an air outlet, the splitter 14 is in a gradually-expanding structure from the head to the tail, the turbine is arranged on the surface or the rear of the splitter 14, and the turbine is in transmission connection with the generator as shown in fig. 17.
The top of the tower 5 is provided with a U-shaped support frame 6, the air inlet end of the outer wind cover is fixedly connected to the U-shaped support frame or the middle part of the outer wind cover is fixed in the U-shaped support frame, the U-shaped support frame does not block the windward side of the wind cover, thereby preventing the tower from blocking wind power entering the wind cover, and the bottom end of the U-shaped support frame is movably connected with the top end of the tower through a rotating shaft. Through the U-shaped support frame of rotatory swing joint, can make wind power generation device adjust the aerial gesture at any time, guarantee that the outer fan housing faces the windward direction all the time, utilize wind energy to the maximum extent.
Example 7:
As shown in fig. 13, a power generation system using wind efficiently is constructed as described in embodiment 6, which is different in that: the bottom end of the tower 5 is anchored to the motor means, including engineering vehicles, boats, submarines. In this embodiment, the engineering vehicle is selected as the maneuvering device, and the engineering vehicle can move the power generation system from one place to another place, so as to meet various requirements, such as grasslands, deserts, gobi and other engineering places without wire transmission.
The wind power generation device 2 takes a tower 5 as a rotating shaft and is in a front-back asymmetric structure, and the wind receiving area behind the rotating shaft is larger than the wind receiving area in front of the rotating shaft. When the wind power generation device is winded in the front and the back, the tail is pushed by wind, so that the front end of the wind power generation device faces the direction of the source of wind, and the wind inlet of the wind power generation device always faces the direction of the incoming wind by utilizing the appearance of the wind power generation device and by means of wind.
Two wind power generation devices 2 are connected to the tower 5, a fixed pulley is arranged at the top end of the tower 5, a lifting rope is wound on the fixed pulley, the front end of the outer fan housing is connected to the lifting rope, and one end of the lifting rope is fixed at the bottom end of the tower.
Example 8:
As shown in fig. 14, a power generation system using wind efficiently is constructed as described in embodiment 6, which is different in that: one side of the top end of the tower 5 is connected with a wind power generation device 2, and the other side of the top end of the tower opposite to the wind power generation device 2 is connected with a balance rod 10. The balance bar 10 can ensure the balance of the stress on the top of the tower, thereby improving the safety.
As shown in fig. 18, the wind power generation device 2 is configured such that a splitter is not provided inside the outer cover 13, and wind power generation is performed only by a turbine and a generator in a driving connection.
Example 9:
As shown in fig. 15, a power generation system using wind efficiently is constructed as described in embodiment 8, which is different in that: the balance rod 10 is connected with a long rope, the bottom end of the long rope is connected to a sliding trolley, and the sliding trolley is embedded on an annular track taking the bottom end of the tower as the center of a circle. The sliding trolley rotates along the annular track, so that the windward direction of the outer fan cover in the high air can be adjusted, and the air inlet end of the sliding trolley can be aligned with the windward direction at any time. And when the balance rod is used for installing an air inlet, the downward long rope connected with the balance rod can provide upwind force for the whole system, so that the wind resistance of the system is improved.
Example 10:
As shown in fig. 16, a power generation system using wind efficiently is constructed as described in embodiment 8, which is different in that: the top of the tower 5 is a triangular steel frame, the triangular steel frame is a part of the tower, the front end of the outer fan housing 13 is fixed on the triangular steel frame, two corner points of the triangular steel frame are fixedly connected on the outer fan housing, and the third corner point of the triangular steel frame is rotationally connected with the top of the tower through a rotating shaft.
The outer fan housing air inlet end adopts the inner support frame to carry out reinforcement and support or adopts light high strength material to make, and the outer fan housing is required to guarantee when the high altitude receives strong wind power and does not warp, and the rigidity of outer fan housing can further be strengthened to the triangle-shaped steelframe, guarantees that outer fan housing air inlet end shape when strong wind gets into is unchangeable.
Example 11:
the present embodiment provides a power generation system that efficiently uses wind, the structure of which is as described in embodiment 3, and the difference is that: the wind power generation device 2 takes a cable as a rotation shaft and is in a front-back asymmetric structure, and the wind receiving area behind the rotation shaft (in the downwind direction) is larger than the wind receiving area in front of the rotation shaft (in the upwind direction). When the wind power generation device is winded in the front and the back, the tail is pushed by wind, so that the front end (the windward side of the air inlet) of the wind power generation device faces the direction of the source of wind power.
Example 12:
The present embodiment provides a power generation system that efficiently uses wind, the structure of which is as described in embodiment 1, and the difference is that: the outer fan housing and/or the diverter are not arranged before the connection point of the cable 3 and the wind power generation device 2, and the cable only provides tension to the outer fan housing or the diverter, so that the rigidity requirement of the outer fan housing or the diverter can be reduced.
Example 13:
The present embodiment provides a power generation system that efficiently uses wind, the structure of which is as described in embodiment 1, and the difference is that: the wind power generation device 2 is provided with a supporting rod penetrating through the windward side, and the supporting rod provides support for the shape of the wind power generation device or provides shape change for the wind power generation device by changing the distance between the supporting rod and the connection point of the wind power generation device.
The supporting rods and/or the cables are arranged to be flat wind guiding structures, so that wind resistance of the supporting rods and/or the cables to the wind power generation device can be reduced.
Example 14:
The present embodiment provides a power generation system that efficiently uses wind, the structure of which is as described in embodiment 3, and the difference is that: the wind power generation device 2 takes a cable as a rotating shaft and is of a front-back asymmetric structure, and the wind receiving area behind the rotating shaft is larger than the wind receiving area in front of the rotating shaft. When the wind power generation device is winded in the front and the back, the tail is pushed by wind, so that the front end of the wind power generation device faces the direction of the source of wind, and the wind inlet of the wind power generation device always faces the direction of the incoming wind by utilizing the appearance of the wind power generation device and by means of wind.
Example 15:
The present embodiment provides a power generation system that efficiently uses wind, the structure of which is as described in embodiment 3, and the difference is that: the connection part of the wind power generation device 2 and the cable 3 is provided with a sleeve-shaped device 11 for supporting the wind power generation device to move along the axial direction of the cable, and the sleeve-shaped device provides lifting power through an electric or auxiliary cable. The sleeve-shaped arrangement ensures that the wind power generation device can finish lifting operation without lifting of a mooring rope.
Example 16:
The present embodiment provides a power generation system that efficiently uses wind, the structure of which is as described in embodiment 1, and the difference is that: the aircraft 1 chosen in this embodiment has a flat shape and/or has thrust means on the aircraft. The ratio of the vertical upward force provided by the aircraft to the resistance force of the wind in the horizontal direction is greater than or equal to the ratio of the vertical upward force provided by the wind power generation device to the horizontal force.
The wind power does work on the wind power generation device, the backward (downwind) thrust can be necessarily generated on the wind power generation device, the thrust of the wind power on the wind power generation device can be necessarily increased to increase the wind receiving area of the wind power generation device, 3 stress points of the aircraft 1 and the wind power generation device 2 and the ground connection point can be regarded as a movable pulley block, and the upward aircraft can provide upward and/or forward (upwind) force for the wind power generation device as compared with the pure lifting force of the wind power generation device per se. Moreover, the thrust of the wind power can be changed into upward lift force by changing the included angle between the upper aircraft and the wind power. The electric quantity generated by the wind power generation device can be transmitted to the upper aircraft for compensating the thrust device of the aircraft.
Claims (9)
1. The power generation system is characterized by comprising an aircraft, a cable and a wind power generation device, wherein the upper end of the cable is connected with the aircraft, the lower end of the cable is connected with a ground maneuvering device, and one or more wind power generation devices are connected with the cable;
the wind power generation device comprises an outer wind cover and a wind power generation part, wherein a part which is subjected to wind power acting in the wind power generation part is arranged in the outer wind cover and/or at the rear opening of the outer wind cover, and the wind power generation part is equipment which is used for providing acting by wind power to generate voltage;
Each wind power generation device is connected with more than two cables, the other ends of the cables are connected with a ground control device, and the ground control device is at least one movable point on the annular track around at least one fixed point or at least two movable points supporting relative movement on the annular track; or, each wind power generation device is connected with more than two cables, and the other ends of the cables are connected to at least two mutually independent ground maneuvering devices;
the wind power generation part comprises a turbine and a generator, and the turbine drives the generator to generate power; the turbine is arranged in the outer fan housing and/or at the rear opening, the turbine drives the generator, the front end of the outer fan housing is an air inlet, the rear end of the outer fan housing is an air outlet, and the caliber of the air inlet is more than or equal to that of the air outlet;
The connection part of each wind power generation device and more than two cables is provided with a sleeve-shaped device for supporting the wind power generation devices to move along the axial direction of the cables;
The ratio of the vertical upward force provided by the aircraft to the resistance force of the wind in the horizontal direction is greater than or equal to the ratio of the vertical upward force provided by the wind power generation device to the horizontal force.
2. The power generation system for efficiently utilizing wind power according to claim 1, wherein the wind power generation device has a front-rear asymmetric structure with a cable as a rotation axis, and a wind receiving area after the rotation axis is larger than a wind receiving area before the rotation axis.
3. A power generation system for efficient use of wind power according to claim 1 wherein said aircraft has a flat shape and/or is streamlined and/or has thrust means on the aircraft.
4. The wind power generation system of claim 1, wherein the sleeve-like device provides lifting power via an electric or auxiliary cable.
5. The power generation system for efficient use of wind power according to claim 4 wherein said cable and/or auxiliary cable is raised and lowered by a pulley on a cable and/or aircraft located above the wind power generation device, thereby raising and lowering the wind power generation device.
6. A power generation system for efficient use of wind power according to claim 1 wherein a support rotary member is provided between the cable and the aircraft, the support rotary member being provided on the cable and/or the aircraft above the wind power generation device.
7. A power generation system for efficient use of wind power according to claim 1 wherein said wind power generation device is provided with a support swivel and/or flexible connection at the connection to the cable.
8. A wind power generation system for efficient use of wind power according to claim 1 wherein there is at least one delta structure on the same cable and a wind power plant connected thereto, said delta structure connecting at least two points axially on the cable and at least two points on the wind power plant.
9. A wind power generation system for efficient use of wind power according to claim 8, wherein at least one side of said triangle structure is provided with a linear bearing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910113307.5A CN109667719B (en) | 2019-02-13 | 2019-02-13 | Power generation system capable of efficiently utilizing wind power |
| PCT/CN2020/075118 WO2020164551A1 (en) | 2019-02-13 | 2020-02-13 | Power generation system with efficient utilization of wind power |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910113307.5A CN109667719B (en) | 2019-02-13 | 2019-02-13 | Power generation system capable of efficiently utilizing wind power |
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| CN109667719B true CN109667719B (en) | 2024-05-24 |
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| WO2020164551A1 (en) | 2020-08-20 |
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