CN116826645A - High-altitude power transmission device - Google Patents
High-altitude power transmission device Download PDFInfo
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- CN116826645A CN116826645A CN202311098155.9A CN202311098155A CN116826645A CN 116826645 A CN116826645 A CN 116826645A CN 202311098155 A CN202311098155 A CN 202311098155A CN 116826645 A CN116826645 A CN 116826645A
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- transmission device
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 42
- 238000007667 floating Methods 0.000 claims abstract description 202
- 238000010248 power generation Methods 0.000 claims abstract description 44
- 230000000712 assembly Effects 0.000 claims description 27
- 238000000429 assembly Methods 0.000 claims description 27
- 230000005484 gravity Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 238000004873 anchoring Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64B—LIGHTER-THAN AIR AIRCRAFT
- B64B1/00—Lighter-than-air aircraft
- B64B1/58—Arrangements or construction of gas-bags; Filling arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Wind Motors (AREA)
Abstract
The application provides a high-altitude power transmission device, which comprises a cable, floating components and mooring pull lines, wherein the floating components are connected to the outer side of the cable, each floating component comprises more than two floating bodies, and the adjacent floating bodies are combined along the horizontal direction and/or the vertical direction; the floating body is filled with gas with density smaller than that of air, so that the cable can be lifted into the air. The application provides a solution for transmitting power generated by large-scale aerial power generation equipment to the ground through cables, wherein a floating assembly lifts the cables to the high altitude section by section according to the principle of sectionalized bearing, and the cable is stabilized in the aerial posture through a mooring stay wire, so that the cable does not swing with wind.
Description
Technical Field
The application relates to the technical field of aerial power generation, in particular to a high-altitude power transmission device.
Background
At present, the replacement of the clean energy represented by wind power and photovoltaic to petrochemical energy is a trend, the transformation from the traditional energy to new energy is indispensable-! However, with the large-scale construction of photovoltaic and wind power, the development bottlenecks of two industries are increasingly apparent.
The principle of photovoltaic power generation is photovoltaic effect, which essentially uses area to convert energy, however, the actual engineering of photovoltaic power generation can only reach 100 watts/square meter, the energy density is low, and the occupied area is large; the principle of wind power generation is an electromagnetic principle of converting mechanical energy of wind into electric energy, wind power is in direct proportion to the third power of wind speed, the essence is that the quality is changed by a height, in order to improve the quality of wind resources, wind power equipment needs to continuously improve the height of a tower barrel, and the volume and cost of the wind power equipment are continuously improved. Through sky power generation technology, can improve the scene resource quality, can improve generating efficiency, can reduce ground occupation, reduce cost again.
However, when the suspension height of the power generation device is high and the generated power is large, the generated power needs to be transmitted to the ground through the cable, and the cable with a long lifting length to the high altitude has the problems of heavy weight and unstable aerial posture (easy swinging along with wind), so that no solution for high altitude power transmission exists at present.
Disclosure of Invention
The application provides a high-altitude power transmission device, which aims to solve the technical problems that the cable has high weight and unstable aerial posture due to the fact that the length and the weight of the cable are adaptively increased when the suspension height of a power generation device is high and the power generation capacity is high.
The application provides a high-altitude power transmission device, which comprises a cable and floating assemblies, wherein the floating assemblies are connected to the outer side of the cable, each floating assembly comprises more than two floating bodies, and the adjacent floating bodies are combined along the horizontal direction and/or the vertical direction; the floating body is filled with gas with density smaller than that of air, so that the cable can be suspended in the air.
Optionally, the high-altitude power transmission device comprises more than two floating assemblies, and the floating assemblies are distributed at equal intervals along the length direction of the cable; the cable is divided into more than two cable segments by the floating assemblies, and the buoyancy of each floating assembly is greater than or equal to the gravity of one cable segment above the floating assembly.
Optionally, the overhead power transmission device further comprises at least one fixed line group, each fixed line group is connected to one of the floating assemblies; one end of the traction wire is connected to the floating assembly, and the other end of the traction wire is connected to the ground.
Optionally, the high-altitude power transmission device further comprises more than two mooring points, wherein the mooring points are arranged on the ground, and the traction wires in each fixed wire group are respectively connected to different mooring points; the central axis of the cable is equidistant from the perpendicular to the tie-down point.
Optionally, the floating body is a hollow prism; the floating body is internally provided with a fixed rod, and the fixed rod penetrates through the floating body along the height direction of the floating body and is connected to two end faces of the floating body.
Optionally, adjacent floating bodies are detachably connected through a fixing assembly, the fixing assembly comprises fixing buckles and fixing seats, and each fixing buckle is fixed to one vertex of each floating body; the fixing seat is provided with more than two limit grooves along the central annular array of the fixing seat, and each fixing buckle is detachably connected to one limit groove; the fixing seat is arranged in a through hole, and the cable penetrates through the through hole, so that the fixing seat and the cable are relatively fixed.
Optionally, one floating assembly includes three floating bodies combined along a horizontal direction, top end vertexes of the floating bodies are commonly connected to the first fixing base, and bottom end vertexes of the floating bodies are commonly connected to the second fixing base; the first fixing seat and the second fixing seat are sleeved and fixed on the outer wall of the cable.
Alternatively, the floating assembly can be formed into more than two shapes including, but not limited to, prismatic, pyramid, spindle.
Correspondingly, the application also provides aerial power generation equipment, which comprises the high-altitude power transmission device and a power generation device; the power generation device comprises a floating platform and a power generation device, wherein the power generation device is mounted on the floating platform and is electrically connected to the high-altitude power transmission device; the floating platform is capable of being suspended in the air such that one end of the cable is connected to the floating platform and the other end is electrically connected to ground equipment; the high-altitude power transmission device is any one of the above-described high-altitude power transmission devices.
Optionally, the power generation device comprises a wind power generator and/or a photovoltaic panel.
The application provides a high-altitude power transmission device, wherein the floating body is filled with gas with density less than that of air, so that a floating component can apply tension to a cable so as to overcome the adverse effect of the gravity of the cable on suspension in the air, and the connection part of the cable and a power generation device is free from the action of tension force, thereby avoiding the disconnection of the connection part of the cable and the power generation device.
The cable is carried in a segmented mode by utilizing the plurality of floating assemblies, so that the pulling force applied to a cable segment above the floating assemblies by each floating assembly is balanced with the gravity of the cable segment, and the connection part of the cable and the power generation device can be prevented from being separated; meanwhile, the volume of each group of floating components can be reduced, so that the cost and difficulty of preparation, transportation and assembly are reduced; the arrangement quantity of the floating components can be reasonably designed according to the requirement of the suspension height, so that the air power generation equipment can be suitable for various scenes.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an aerial power generation device provided by the present application;
fig. 2 is a schematic structural diagram of the high-altitude power transmission device provided by the application;
FIG. 3 is a perspective view of a floating body in a floating platform provided by the present application;
fig. 4 is a schematic diagram of connection between a floating platform and a cable in the high-altitude power transmission device provided by the application;
fig. 5 is a schematic structural diagram of a floating platform in the high-altitude power transmission device provided by the application;
fig. 6 is a schematic structural diagram of a fixing base and a fixing buckle in the high-altitude power transmission device provided by the application.
Reference numerals illustrate:
100. a power generation device; 110. a floating platform; 200. a cable; 210. a cable segment; 300. a floating assembly; 310. a floating body; 311. a fixed rod; 312. a fixed hasp; 400. a fixing seat; 400a, a first fixing seat; 410. a limit groove; 420. a through hole; 500. a traction wire; 600. tying a point.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and description only, and is not intended to limit the application. In the present application, unless otherwise indicated, terms of orientation such as "upper", "lower", "left" and "right" are generally used to refer to the directions of the upper, lower, left and right sides of the device in actual use or operation, and are specifically shown in the drawings.
The present application provides a high-altitude power transmission device, which will be described in detail below. It should be noted that the following description order of the embodiments is not intended to limit the preferred order of the embodiments of the present application. In the following embodiments, the descriptions of the embodiments are focused on, and for the part that is not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
Referring to fig. 1, the present application provides an aerial power generation apparatus, which includes a power generation device 100 and an aerial power transmission device; the power generation device 100 can suspend in the air and generate power by using wind energy and/or light energy in the air, and the high-altitude power transmission device is electrically connected with the power generation device 100 and is used for transmitting the electric energy generated by the power generation device 100 to ground equipment. The ground equipment can be energy storage equipment, electric equipment or a national power grid and the like.
Referring to fig. 1, a power generation apparatus 100 includes a floating platform 110 and a power generation device, wherein the floating platform 110 can be suspended in the air, and the power generation device is mounted to the floating platform 110, so that the power generation device can be suspended in the air to generate power.
Referring to fig. 1, the floating platform 110 includes at least one floating body filled with a gas having a density less than that of air, and helium may be filled in the floating body according to the present application. The plurality of floating bodies are connected in sequence in a horizontal direction and/or a vertical direction so that the floating platform 110 can be suspended to the high altitude.
Referring to fig. 1, the power generation device is electrically connected to the high-altitude power transmission apparatus such that the power generation device can transmit generated electric energy to the ground equipment via the high-altitude power transmission apparatus. The power generation device includes a wind power generator and/or a photovoltaic panel, and the wind power generator may be connected to the lower part of a floating body or the lower part of a floating platform 110, and each wind power generator is electrically connected to a high-altitude power transmission device, so as to generate power by using wind energy in the high altitude. The above-mentioned photovoltaic panels are connected to the top of the floating platform 110 while each of the photovoltaic panels is electrically connected to the overhead power transmission device, thereby generating electricity using light energy in the overhead.
Referring to fig. 1, the high-altitude power transmission apparatus includes a cable 200, a floating assembly 300, and at least one fixed line group, wherein an upper end of the cable 200 is electrically connected to a power generation device and fixed to a floating platform 110, and a lower end of the cable 200 is electrically connected to ground equipment, so that the cable 200 can be suspended in the air and can transmit power generated by the power generation device to the ground equipment.
Referring to fig. 1 and 2, the floating assembly 300 is connected to the outside of the cable 200 such that the floating assembly 300 is relatively fixed to the cable 200. When the high-altitude power transmission device includes two or more floating assemblies 300, the plurality of floating assemblies 300 can be equally spaced along the long length direction of the cable 200.
Referring to fig. 2, each floating module 300 includes more than two floating bodies 310, and adjacent floating bodies 310 may be connected in a horizontal direction and/or a vertical direction such that the floating modules 300 may be formed in various shapes including, but not limited to, a prism shape, a pyramid shape, an inverted pyramid shape, and a spindle shape.
Referring to fig. 2, each floating body 310 is filled with a gas having a density less than that of air, and the inside of the floating body 310 may be filled with helium in the present application. According to the archimedes buoyancy principle, the bearing weight of the floating body 310 depends on the difference between the mass of the gas inside the floating body and the mass of the air in the same volume, namely the density difference of the gas inside and outside the floating body 310. The material of the floating body 310 of the present application may be a high pressure polyethylene material, and the floating body 310 may be manufactured by a high frequency hot melt welding process.
Referring to fig. 2 and 3, the floating body 310 is a hollow prism, and the floating body 310 is preferably a hexagonal prism in the present application. When the floating bodies 310 are spliced in the horizontal direction to form a floating assembly 300, the center lines of all the floating bodies 310 are parallel to each other, so that the opposite side walls of the adjacent floating bodies 310 can be attached to each other or a gap is left between them, so that the adjacent floating bodies 310 can be fixed. Meanwhile, when the floating bodies 310 are spliced in the vertical direction to form a floating assembly 300, the central lines of all the floating bodies 310 are parallel to each other, so that opposite end surfaces of the adjacent floating bodies 310 can be attached to each other or a gap is left between them, so that the adjacent floating bodies 310 can be fixed.
When the floating bodies 310 of the prismatic structure are sequentially connected, the central lines of the plurality of floating bodies 310 are parallel to each other, the floating bodies 310 in the floating assembly 300 can be arranged compactly, and more floating bodies 310 can be arranged in a limited space to improve the buoyancy of the floating assembly 300, so that the cable 200 can be stably suspended in the air.
Referring to fig. 3, a fixing rod 311 is disposed in the floating body 310, a center line of the fixing rod 311 coincides with a center line of the floating body 310, the fixing rod 311 passes through the floating body 310 along the floating body 310, and two ends of the fixing rod 311 are respectively fixed to two end surfaces of the floating body 310, so that the fixing rod 311 can be fixed in the floating body 310. Any one of the two ends of the fixing rod 311 may extend to the outside of the floating body 310, both of the two ends may be located inside the floating body 310, and the relative position between the ends of the fixing rod 311 and the floating body 310 may be designed according to the specific equipment mounted on the floating assembly 300.
Because the material of the floating body 310 is flexible high-pressure polyethylene material, the rigid fixing rod 311 is used for penetrating and fixing the floating body 310, so that the shape of the floating body 310 in the height direction can be kept, the shape of the floating body 310 is prevented from being changed due to filling gas, and the deformation of the floating body 310 in the high air is reduced. Meanwhile, in order to reduce the weight of the floating platform, the fixing rod 311 is a hollow cylinder, and the material of the fixing rod 311 is preferably carbon fiber.
Referring to fig. 1, 2 and 4, since the cable 200 is disposed between the power generation device 100 and the ground equipment, the cable 200 has a long length and the weight of the cable 200 itself is also large. The plurality of floating assemblies 300 are connected to the outer wall of the cable 200 such that the cable 200 is divided into more than two cable segments 210, and the buoyancy of each floating assembly 300 is greater than or equal to the weight of a corresponding segment of cable segment 210 thereabove such that the floating assemblies 300 can carry the cable 200 in a staged manner.
The number of cable segments 210 and the separation position are determined according to the length, weight, number of the floating assemblies 300, and the like of the cable 200, and the floating assemblies 300 are correspondingly installed at the separation positions of the cable 200. Because the floating body 310 is filled with the gas having a density less than that of air, the floating assembly 300 applies an upward pulling force to the corresponding cable segment 210, the pulling force is greater than or equal to the gravity of the cable segment 210, and the direction of the pulling force is opposite to that of the cable segment 210, so that the floating assembly 300 can bear and lift the corresponding cable segment 210. The number of floats 310 in each of the floating modules 300 is the same and the distance between each of the cable segments 210 is the same in the present application to facilitate the assembly of the plurality of floating modules 300 with the cable 200.
The aerial power generation device utilizes the plurality of floating assemblies 300 to carry the cable 200 in a segmented manner, so that the pulling force of each floating assembly 300 applied to a cable segment 210 above the floating assemblies is balanced with the gravity of the cable segment 210, thus the adverse effect of the gravity of the cable 200 on the aerial power generation device can be reduced by utilizing the floating assemblies 300 to carry the cable 200, the connection part of the cable 200 and the power generation device 100 does not bear the tensile force, and the connection part of the cable 200 and the power generation device 100 is prevented from being separated. Meanwhile, the cable 200 is carried in sections by utilizing the plurality of groups of floating assemblies 300, so that the volume of each group of floating assemblies 300 can be reduced, and the cost and difficulty of preparation, transportation and assembly are reduced; the number of the floating assemblies 300 can be reasonably designed according to the requirement of the suspension height, so that the air power generation equipment can be suitable for various scenes.
Referring to fig. 2 and 5, a floating assembly 300 includes three floating bodies 310, and the three floating bodies 310 are detachably connected in a horizontal direction to form a single-layered floating assembly 300. The vertexes of the adjacent floating bodies 310 are detachably connected through a fixing assembly, the fixing assembly comprises a fixing buckle 312 and a fixing seat 400, wherein one fixing buckle 312 is correspondingly arranged at one vertex of each floating body 310, the connecting seat is inwards recessed from the surface of the connecting seat to form a plurality of limiting grooves 410, and the connecting seat is placed between the plurality of floating bodies 310, so that the vertexes of the adjacent floating bodies 310 can be correspondingly embedded into different limiting grooves 410, and the adjacent vertexes of the plurality of floating bodies 310 are connected to the same fixing seat 400 to realize mutual fixation of the plurality of floating bodies 310. The fixing buckle 312 and the fixing base 400 may be detachably connected by a plurality of manners, such as a clamping manner, a bolt manner, etc., which is not particularly limited in the present application.
Referring to fig. 2, 5 and 6, the fixing base 400 is provided with a through hole 420, and the diameter of the through hole 420 is adapted to the diameter of the cable 200, so that the cable 200 can pass through the through hole 420 and be fixed relative to the fixing base 400. The three floating bodies 310 are arranged at equal intervals on the outer side of the cable 200, a first fixing seat 400a and a second fixing seat are sleeved on the outer side of the cable 200, the first fixing seat 400a and the top end of the floating assembly 300 are arranged in a coplanar manner, and the second fixing seat and the bottom end of the floating assembly 300 are arranged in a coplanar manner. The first fixing base 400a and the second fixing base are both located at the middle positions of the plurality of floating bodies 310, the top end vertexes of the floating bodies 310 are commonly connected to different limiting grooves 410 in the first fixing base 400a, and the bottom end vertexes of the floating bodies 310 are commonly connected to different limiting grooves 410 in the second fixing base, so that the plurality of floating bodies 310 are commonly fixed to the outer side of the cable 200.
Referring to fig. 5, the fixing base 400 has a spherical structure, so that the fixing base 400 can be disposed between the floating bodies 310, the fixing base 400 is provided with the above-mentioned limiting groove 410 along the radial direction from the surface thereof, so that the fixing buckle 312 can be conveniently fixed to the inside of the limiting groove 410 along the radial direction of the fixing base 400, and meanwhile, the installation space can be saved, so that the adjacent floating bodies 310 can be arranged more tightly.
Referring to fig. 5 and 6, the limiting grooves 410 are distributed at equal intervals along the center line of the fixing base 400, and the openings of all the limiting grooves 410 are respectively located in two parallel planes, so that the heights of the floating bodies 310 in the same layer can be kept consistent, and the fixing buckles 312 of the floating bodies 310 in different layers can be respectively fixed in the limiting grooves 410 of different planes of the fixing base 400.
Because the vertices of all floating bodies 310 are connected with the fixing buckles 312, the floating bodies 310 can be processed according to the same process without considering the matching problem between the adjacent floating bodies 310, so that the assembly efficiency of the floating assembly 300 can be improved, and the fixing between the adjacent floating bodies 310 is facilitated.
Referring to fig. 2, each of the fixed wire groups includes more than two traction wires 500, the upper ends of the traction wires 500 are fixed to the floating assembly 300, and the lower ends thereof are connected to the ground, so that the traction wires 500 apply a pulling force to the floating assembly 300, thereby forming an anchoring effect. The floating assembly 300 can keep stable in the air, does not swing and overturn along with wind, reduces the situations of overturning, violent swinging, shifting and the like of the cable 200 in the air, and thus improves the stability and the safety of the high-altitude power transmission device.
Referring to fig. 2, the overhead power transmission apparatus may include at least one fixed line group and at least one floating assembly 300, each fixed line group may be connected to one floating assembly 300; when the number of the fixed line groups is different from the number of the floating assemblies 300, a plurality of the floating assemblies 300 may be anchored at intervals using the fixed line groups.
In the present application, one fixed wire set includes three traction wires 500, the traction wires 500 are distributed at equal intervals around the floating assembly 300, and one floating assembly 300 includes three floating bodies 310, each traction wire 500 is connected to a different floating body 310, so that the floating assembly 300 can bear a tensile force relatively uniformly, thereby enhancing an anchoring effect of the floating assembly 300.
Referring to fig. 2, when the traction wire 500 is connected to the floating module 300, the traction wire 500 may apply a pulling force to the floating module 300 obliquely downward in the direction of the traction wire 500, which may be decomposed into a vertically downward force and a horizontally away force from the floating module 300. The plurality of traction wires 500 are connected to the floating assembly 300 at equal intervals, so that the floating assembly 300 is stressed more uniformly in the horizontal direction under the combined action of the plurality of traction wires 500, thereby forming position anchoring. Meanwhile, the plurality of traction wires 500 respectively apply a vertical downward component force to the floating assembly 300, so that the floating assembly 300 is stressed relatively uniformly in the vertical direction under the combined action of the tensile force, the buoyancy and the gravity of the cable 200, and forms a high anchoring.
Referring to fig. 2, more than two mooring points 600 are provided on the ground, and the number of mooring points 600 is the same as the number of traction wires 500 in the fixed wire set. One end of each traction wire 500 is connected to the floating module 300, the other end thereof is connected to a mooring point 600, and the traction wires 500 in the same fixed wire group are respectively connected to different mooring points 600, and the vertical distance between the central axis of the cable 200 and the mooring point 600 is equal, so that the tensile force acting on the floating module 300 is distributed relatively uniformly.
The above description of the present application provides a high-altitude power transmission device, and specific examples are applied to illustrate the principles and embodiments of the present application, where the above examples are only used to help understand the method and core idea of the present application; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Claims (10)
1. An overhead power transmission apparatus, comprising:
a cable (200); and
-floating assemblies (300) connected to the outside of the cable (200), each floating assembly (300) comprising more than two floating bodies (310), adjacent floating bodies (310) being combined in horizontal and/or vertical direction;
wherein the floating body (310) is filled with a gas having a density less than air, so that the cable (200) can be suspended in the air.
2. The overhead power transmission apparatus according to claim 1, wherein,
the high-altitude power transmission device comprises more than two floating assemblies (300), wherein the floating assemblies (300) are distributed at equal intervals along the length direction of the cable (200);
the cable (200) is divided by the float assemblies (300) into more than two cable segments (210), the buoyancy of each float assembly (300) being greater than or equal to the gravity of the cable segment (210) above it.
3. The overhead power transmission device of claim 1, further comprising:
at least one set of fixed lines, each set of fixed lines being connected to one of the floating assemblies (300);
wherein one of the fixed wire sets comprises more than two traction wires (500), one end of the traction wire (500) is connected to the floating assembly (300), and the other end is connected to the ground.
4. The overhead power transmission device of claim 3, further comprising:
more than two tie down points (600) arranged on the ground, wherein the traction wires (500) in each fixed wire group are respectively connected to different tie down points (600);
the central axis of the cable (200) is equidistant from the anchor point (600).
5. The overhead power transmission apparatus according to claim 1, wherein,
the floating body (310) is a hollow prism;
a fixing rod (311) is arranged in the floating body (310), and the fixing rod (311) penetrates through the floating body (310) along the height direction of the floating body (310) and is connected to two end surfaces of the floating body (310).
6. The overhead power transmission device of claim 1, wherein adjacent floating bodies (310) are detachably connected by a securing assembly comprising:
-fixing snaps (312), each of the fixing snaps (312) being fixed to the floating body (310) at an apex; and
the fixing seat (400) is provided with more than two limit grooves (410) along the central annular array of the fixing seat, and each fixing buckle (312) is detachably connected into one limit groove (410);
the fixing seat (400) is arranged in a through hole (420), and the cable (200) passes through the through hole (420) so that the fixing seat (400) and the cable (200) are relatively fixed.
7. The overhead power transmission apparatus of claim 6, wherein,
the floating assembly (300) comprises three floating bodies (310) combined in the horizontal direction, wherein the top end vertexes of the floating bodies (310) are commonly connected to a first fixed seat (400 a), and the bottom end vertexes of the floating bodies (310) are commonly connected to a second fixed seat;
the first fixing seat (400 a) and the second fixing seat are sleeved and fixed on the outer wall of the cable (200).
8. The overhead power transmission apparatus according to claim 1, wherein,
the floating assembly (300) can be formed into more than two shapes including, but not limited to, prismatic, pyramid, spindle.
9. An aerial power generation device, comprising:
the high-altitude power transmission device of any one of claims 1-8; and
-a power generation device (100) comprising a floating platform (110) and a power generation means mounted to the floating platform (110) and electrically connected to the overhead power transmission device;
the floating platform (110) is capable of being suspended in the air such that one end of the cable (200) is connected to the floating platform (110) and the other end is electrically connected to ground equipment.
10. An airborne electricity generating apparatus according to claim 9, characterized in that the electricity generating means comprise wind generators and/or photovoltaic panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311098155.9A CN116826645B (en) | 2023-08-29 | 2023-08-29 | High-altitude power transmission device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311098155.9A CN116826645B (en) | 2023-08-29 | 2023-08-29 | High-altitude power transmission device |
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| CN116826645A true CN116826645A (en) | 2023-09-29 |
| CN116826645B CN116826645B (en) | 2023-11-17 |
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