CN111628702A - Floating platform and photovoltaic power plant on water - Google Patents
Floating platform and photovoltaic power plant on water Download PDFInfo
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- CN111628702A CN111628702A CN202010511069.6A CN202010511069A CN111628702A CN 111628702 A CN111628702 A CN 111628702A CN 202010511069 A CN202010511069 A CN 202010511069A CN 111628702 A CN111628702 A CN 111628702A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 238000007667 floating Methods 0.000 title claims abstract description 47
- 238000004873 anchoring Methods 0.000 claims abstract description 22
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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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
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a floating platform and a photovoltaic power station on water, wherein the floating platform comprises: an anchoring seat; two ends of the main cable are respectively connected with the anchoring seat; the upper-layer longitudinal and transverse prestressed cable is arranged on the main cable and is connected with the main cable; the lower-layer longitudinal and transverse prestressed cable is arranged on the main cable and connected with the main cable; the first adjusting devices are respectively arranged between the upper layer longitudinal and transverse prestressed cables and the main cable and between the lower layer longitudinal and transverse prestressed cables and the main cable and are used for adjusting the deformation generated by the upper layer longitudinal and transverse prestressed cables and the lower layer longitudinal and transverse prestressed cables; and the buoyancy tank mechanism is arranged between the upper layer longitudinal and transverse prestressed cables and the lower layer longitudinal and transverse prestressed cables and is used for providing buoyancy. The invention realizes that a structural system capable of bearing horizontal load and vertical load can be formed under the conditions that the water level drop exists on the water surface and the water surface is wide, thereby improving the stability of the overwater photovoltaic power station on the water surface.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to a floating platform and an overwater photovoltaic power station.
Background
In recent years, waterborne photovoltaic power stations are widely used by virtue of their unique advantages. The photovoltaic power station on water relies on the surface of the water body, so that the occupation of land resources such as cultivated land, woodland, grassland and the like is reduced, a large amount of water body can be shielded, the irradiation of sunlight is shielded, a large projection surface is formed, the growth of algae is inhibited to a certain extent, the prevention and the treatment of water pollution are facilitated, and the culture is not influenced. Photovoltaic power plant on water relies on the platform on water to float on the surface of water, and because the cooling effect of water, surface of water photovoltaic power plant can obtain more generated energy than large-scale ground power station and roof distributed photovoltaic power station. The water surface photovoltaic power station is in a water environment, solid adsorption of dust and the like is avoided, cleaning is avoided in the true sense, and cost and electric quantity loss caused by cleaning of the photovoltaic panel are reduced.
However, the construction of photovoltaic power plants on water requires a carrier, providing a platform for the installation of photovoltaic panels. Therefore, a reliable, durable and economic floating platform becomes a crucial foundation for the construction of the photovoltaic power station on water. At present, widely used carriers are: the photovoltaic system comprises a water surface elevated photovoltaic bracket, a floating pipe type floating photovoltaic system, a standard floating box type floating photovoltaic system, an HDPE floating box + bracket type floating photovoltaic system, an HSCC-FB floating box + bracket type floating photovoltaic system and a fish belly type steel cable flexible bracket system. However, the above systems have their advantages, disadvantages and limitations, and particularly, under the conditions of water level drop and wide water surface, the floating platform has poor stability.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a floating platform and an above-water photovoltaic power station, so as to solve the problem that the stability of the floating platform of the existing above-water photovoltaic power station is poor under the conditions that the water level falls and the water surface is wide.
The technical scheme of the invention is as follows:
a floating platform, the floating platform comprising:
an anchoring seat;
two ends of the main cable are respectively connected with the anchoring seat;
the upper-layer longitudinal and transverse prestressed cable is arranged on the main cable and is connected with the main cable;
the lower-layer longitudinal and transverse prestressed cable is arranged on the main cable and connected with the main cable;
the first adjusting devices are respectively arranged between the upper layer longitudinal and transverse prestressed cables and the main cable and between the lower layer longitudinal and transverse prestressed cables and the main cable and are used for adjusting the deformation generated by the upper layer longitudinal and transverse prestressed cables and the lower layer longitudinal and transverse prestressed cables; and
and the buoyancy tank mechanism is arranged between the upper layer longitudinal and transverse prestressed cable and the lower layer longitudinal and transverse prestressed cable and is used for providing buoyancy.
The invention is further provided with that the main cable comprises an upper layer main cable and a lower layer main cable, and the upper layer longitudinal and transverse prestressed cables are crossly arranged on the upper layer main cable and form a plurality of grids; the lower layer longitudinal and transverse prestressed cables are arranged on the lower layer main cable in a crossed mode and form a plurality of grids.
In a further aspect of the invention, the buoyancy tank mechanism comprises:
the buoyancy tank is arranged on the grid formed by the lower layer longitudinal and transverse prestressed cables;
the ventral truss is arranged on the buoyancy tank and is connected with the upper-layer longitudinal and transverse prestressed cables; and
and the buffer adjusting assembly is arranged on the buoyancy tank and is connected with the lower layer longitudinal and transverse prestressed cables.
In a further aspect of the invention, the damping adjustment assembly comprises:
the embedded fixing piece is arranged on the buoyancy tank, and the lower-layer longitudinal and transverse prestressed cables penetrate through the embedded fixing piece;
the base plates are arranged on the lower layer longitudinal and transverse prestressed cables at intervals;
the first spring element is arranged on the lower layer longitudinal and transverse prestressed cable and is positioned between the backing plates; and
and the connecting hook is arranged on the lower layer longitudinal and transverse prestressed cable and is positioned on one side, far away from the buoyancy tank, of the first spring element.
In a further arrangement of the present invention, the buoyancy tank mechanism further comprises ribs disposed on the buoyancy tank.
The invention is further provided with a channel and a connecting device which are arranged on the upper layer longitudinal and transverse prestressed cables, wherein the channel is arranged on the connecting device, and the connecting device is arranged on the cross node of the upper layer longitudinal and transverse prestressed cables.
According to the further arrangement of the invention, the connecting device comprises a steel plate and a first sleeve arranged on the steel plate, and the upper layer main cable penetrates through the first sleeve.
In a further arrangement of the present invention, the first adjustment device comprises:
the telescopic regulators are respectively arranged on the upper layer longitudinal and transverse prestressed cables and the lower layer longitudinal and transverse prestressed cables;
the lengtheners are arranged on two sides of the telescopic regulator;
the clamping locks are respectively arranged at one end where the upper layer longitudinal and transverse prestressed cable is connected with the main cable and at one end where the lower layer longitudinal and transverse prestressed cable is connected with the main cable;
the telescopic regulator comprises a shell, a second spring element, a stop block and a push block, wherein the second spring element, the stop block and the push block are all arranged in the shell, the upper layer longitudinal and transverse prestressed cable or the lower layer longitudinal and transverse prestressed cable penetrates through the shell, one end of the upper layer longitudinal and transverse prestressed cable or the lower layer longitudinal and transverse prestressed cable, which is positioned on one side of the shell, is connected with the push block, and one end of the upper layer longitudinal and transverse prestressed cable or the lower layer longitudinal and transverse prestressed cable, which is positioned on the other side of the shell, penetrates through the second spring element and is connected with the stop block.
According to a further arrangement of the present invention, the floating platform further comprises a transition buoyancy tank, wherein the main cable is connected with the transition buoyancy tank; a connecting cable is further arranged between the conversion transition buoyancy tank and the anchoring seat; and a second adjusting device for adjusting the length of the connecting cable is arranged on the connecting cable.
Based on the same inventive concept, the invention also provides the water photovoltaic power station, the water photovoltaic power station comprises a photovoltaic assembly, the water photovoltaic power station also comprises the floating platform, and the photovoltaic assembly is arranged on the floating platform.
The invention provides a floating platform and an above-water photovoltaic power station, wherein the floating platform comprises: an anchoring seat; two ends of the main cable are respectively connected with the anchoring seat; the upper-layer longitudinal and transverse prestressed cable is arranged on the main cable and is connected with the main cable; the lower-layer longitudinal and transverse prestressed cable is arranged on the main cable and connected with the main cable; the first adjusting devices are respectively arranged between the upper layer longitudinal and transverse prestressed cables and the main cable and between the lower layer longitudinal and transverse prestressed cables and the main cable and are used for adjusting the deformation generated by the upper layer longitudinal and transverse prestressed cables and the lower layer longitudinal and transverse prestressed cables; and the buoyancy tank mechanism is arranged between the upper layer longitudinal and transverse prestressed cables and the lower layer longitudinal and transverse prestressed cables and is used for providing buoyancy. The invention realizes that a structural system capable of bearing horizontal load and vertical load can be formed under the conditions that the water level drop exists on the water surface and the water surface is wide, thereby improving the stability of the overwater photovoltaic power station on the water surface.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Figure 1 is a plan view of the flotation platform of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
FIG. 3 is a schematic view of the connection of the main cable, the upper layer longitudinal and transverse prestressed cables and the lower layer longitudinal and transverse prestressed cables.
FIG. 4 is a schematic view of the connection between the main cable and the transverse and longitudinal prestressed cables.
FIG. 5 is a schematic view of the connection between the lower main cable and the lower longitudinal and transverse prestressed cables.
Figure 6 is a cross-sectional view of the flotation platform of the present invention.
Fig. 7 is an enlarged view at B in fig. 6.
Fig. 8 is an enlarged view at C in fig. 6.
FIG. 9 is a plan view of the upper longitudinal transverse prestressed cable of the present invention.
FIG. 10 is a plan view of the upper longitudinal and transverse prestressed cables and buoyancy tanks of the present invention.
Figure 11 is a plan view of the truss and pontoon of the invention.
Figure 12 is a plan view of the buoyancy tank of the present invention.
Fig. 13 is a schematic view of the structure of the connecting device.
Fig. 14 is a sectional view taken along the line a-a in fig. 13.
Figure 15 is an elevational view of the buoyancy tank of the present invention.
Figure 16 is a top view of the buoyancy tank of the present invention.
Fig. 17 is an enlarged view at D in fig. 16.
Fig. 18 is a schematic view of the connection of the main cable to the transition pontoons of the present invention.
Fig. 19 is a schematic view of the connection between the truss and the upper longitudinal and transverse prestressed cables.
Fig. 20 is a schematic view of the structure of the connecting device of the present invention.
Fig. 21 is a sectional view taken along the line a-a in fig. 20.
The various symbols in the drawings: 1. an anchoring seat; 2. a main rope; 21. an upper layer main cable; 22. a lower layer main cable; 3. An upper layer longitudinal and transverse prestressed cable; 31. a channel; 32. a connecting device; 321. a steel plate; 322. a first sleeve; 4. the lower layer longitudinal and transverse prestressed cables; 5. a first adjusting device; 51. a telescopic adjuster; 511. A housing; 512. a second spring element; 513. a stopper; 514. a push block; 52. a lengthening device; 53. Locking; 6. a buoyancy tank mechanism; 61. a buoyancy tank; 62. a ventral truss; 621. a second sleeve; 63. a buffer adjustment assembly; 631. pre-burying a fixing piece; 632. a base plate; 633. a first spring element; 634. connecting a hook; 64. a rib; 7. converting the transition buoyancy tanks; 8. a connecting cable; 9. a second adjustment device; 10. Provided is a photovoltaic module.
Detailed Description
The invention provides a floating platform and an overwater photovoltaic power station, wherein the photovoltaic power station is built on the water surface through the floating platform on the premise of not occupying cultivated land, so that the problem that the conventional water surface photovoltaic power station cannot form a structural system and is extremely easy to damage under the action of external force, particularly strong wind waves and the like is effectively solved. The floating platform can form a stress system of a flexible space prestressed cable truss structure on the water surface, and the advantage that the space steel cable truss structure is suitable for a large-span structure is applied to the water surface, so that a structure system capable of bearing horizontal load and vertical load is formed under the condition that a certain water level drop exists on the water surface and the water surface is wide, the stability of the overwater photovoltaic power station on the water surface is improved, and the possibility that the overwater photovoltaic power station moves from a low-storm area to a high-storm area is provided.
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the embodiments and claims, the terms "a" and "an" can mean "one or more" unless the article is specifically limited.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-21, a preferred embodiment of a floating platform is provided.
As shown in fig. 1, 2 and 3, 6, 7 and 8, the present invention provides a floating platform, which comprises an anchoring base 1, a main cable 2, an upper layer of longitudinal and transverse prestressed cables 3, a lower layer of longitudinal and transverse prestressed cables 4, a first adjusting device 5 and a buoyancy tank mechanism 6. Specifically, the anchoring seat 1 is provided with a plurality of anchoring seats, two ends of the main rope 2 are respectively connected with the anchoring seats 1, the upper layer longitudinal and transverse prestressed cables 3 are arranged on the main rope 2 and connected with the main rope 2, the lower layer longitudinal and transverse prestressed cables 4 are arranged on the main rope 2 and connected with the main rope 2, the first adjusting devices 5 are respectively arranged between the upper layer longitudinal and transverse prestressed cables 3 and the main rope 2 and between the lower layer longitudinal and transverse prestressed cables 4 and the main rope 2 and used for adjusting the deformation generated by the upper layer longitudinal and transverse prestressed cables 3 and the lower layer longitudinal and transverse prestressed cables 4, and the buoyancy tank mechanism 6 is arranged between the upper layer longitudinal and transverse prestressed cables 3 and the lower layer longitudinal and transverse prestressed cables 4 and used for providing buoyancy.
It should be noted that the main function of the anchor socket 1 is to provide a fixed connection point for the whole structural system. Wherein, the anchoring seat 1 can adopt a concrete gravity pier, an anchor cable, an anchor rod concrete anchoring pier system or a concrete anchoring system with a guide groove (capable of vertically lifting). In specific implementation, the anchor seats 1 are arranged on both banks of the water surface, the specific number of the anchor seats 1 is set according to the actual situation, and the embodiment of the invention is described by taking two anchor seats 1 arranged on one side of the water surface as an example.
It should be further noted that the cables mentioned in the present invention may also be replaced by rods, that is, the upper layer longitudinal and transverse prestressed cable 3, the lower layer longitudinal and transverse prestressed cable 4, and the main cable 2 may also be an upper layer longitudinal and transverse prestressed rod, a lower layer longitudinal and transverse prestressed rod, and a main rod.
Through the technical scheme, the buoyancy tank mechanism 6 can provide buoyancy for the whole floating platform to provide buoyancy for the main rope 2, the upper layer longitudinal and transverse prestressed rope 3 and the lower layer longitudinal and transverse prestressed rope 4 which are directly or indirectly connected with the buoyancy tank mechanism 6, so that the main rope 2, the upper layer longitudinal and transverse prestressed rope 3 and the lower layer longitudinal and transverse prestressed rope 4 can lift along with the lifting of the water level, the stability of the buoyancy tank mechanism 6 in the vertical direction can be kept, the upper layer longitudinal and transverse prestressed rope 3, the lower layer longitudinal and transverse prestressed rope 4 and the main rope 2 have a tensioning effect on the buoyancy tank mechanism 6, and in the process of tensioning, the first tensioning adjusting device 5 can adjust the deformation generated by the upper layer longitudinal and transverse prestressed rope 3 and the lower layer longitudinal and transverse prestressed rope 4 to keep the stability of the buoyancy tank mechanism 6 in the horizontal direction. Therefore, the invention can form a structural system which can bear horizontal load and vertical load under the conditions that the water level drop exists on the water surface and the water surface is wide, thereby improving the stability of the overwater photovoltaic power station on the water surface.
Referring to fig. 1, in a further implementation manner of an embodiment, the floating platform further includes a transition buoyancy tank 7, the main rope 2 is connected to the transition buoyancy tank 7, a connecting rope 8 is further disposed between the transition buoyancy tank 7 and the anchor base 1, and a second adjusting device 9 for adjusting the length of the connecting rope 8 is disposed on the connecting rope 8.
In particular, the connecting cable 8 mainly serves as a connection between the anchoring socket 1 and the transition pontoon 7, while having a length sufficient to accommodate variations in water level head, terrain variations and adjustment requirements of the second adjusting means 9. The second adjusting device 9 is mainly composed of a stress gauge, a winch (jack), a water level monitoring system, an operation control system and the like. The second adjusting device 9 is mainly used for manually or automatically adjusting the length of the connecting cable 8 according to the water level change after calibration, so that the whole space cable truss structure is in a prestress tensioning state. The conversion transition buoyancy tank 7 is used for transition connection between the connecting cable 8 and the main cable 2, meanwhile, a balance weight can be added in the conversion transition buoyancy tank 7 to ensure that an inflection point is formed at the intersection of the connecting cable 8 and the main cable 2, so that the connecting cable 8 can adapt to the change of the ground, and meanwhile, the horizontal tension cables (the upper layer longitudinal and transverse prestress cable 3 and the lower layer longitudinal and transverse prestress cable 4) of the prestress cable truss structure are positioned on a tension plane. In addition, the conversion transition buoyancy tank 7 is internally provided with a larger accommodating space, and devices such as a voltage boosting and transforming device and an electrical control device of a photovoltaic power station can be arranged in the conversion transition buoyancy tank 7 so as to maximally utilize the space.
Referring to fig. 3, 4, 5, 9, 10 and 18, in a further embodiment of an embodiment, the main cables 2 include upper main cables 21 and lower main cables 22, the upper longitudinal and transverse prestressed cables 3 are crosswise arranged on the upper main cables 21 and form a plurality of grids, and the lower longitudinal and transverse prestressed cables 4 are crosswise arranged on the lower main cables 22 and form a plurality of grids.
Specifically, the upper layer main cable 21 and the lower layer main cable 22 are both connected with the conversion transition buoyancy tank 7, and meanwhile, connection points are provided for the upper layer longitudinal and transverse prestressed cables 3 and the lower layer longitudinal and transverse prestressed cables 4. The upper layer longitudinal and transverse prestressed cables 3 are crosswise arranged on the upper layer main cable 21 and form a longitudinal and transverse orthogonal net structure with a plurality of grids, and similarly, the lower layer longitudinal and transverse prestressed cables 4 are crosswise arranged on the lower layer main cable 22 and form a longitudinal and transverse orthogonal net structure with a plurality of grids. It should be noted that the upper longitudinal and transverse prestressed cables 3 arranged crosswise on the upper main cables 21 to form a longitudinal and transverse net structure and the lower longitudinal and transverse prestressed cables 4 arranged crosswise on the upper main cables 21 to form a longitudinal and transverse net structure may also be arranged to form an approximately orthogonal net structure, that is, may also be arranged to form an oblique net structure.
Referring to fig. 1, 6, 7, 8, 10, 11, 12, 15, 16, 17 and 19, in a further embodiment of an embodiment, the buoyancy tank mechanism 6 includes a buoyancy tank 61, a web truss 62 and a cushion adjustment assembly 63, the buoyancy tank 61 is disposed on the grid formed by the lower longitudinal and transverse prestressed cables 4, the web truss 62 is disposed on the buoyancy tank 61 and connected with the upper longitudinal and transverse prestressed cables 3, and the cushion adjustment assembly 63 is disposed on the buoyancy tank 61 and connected with the lower longitudinal and transverse prestressed cables 4.
Specifically, the buoyancy tank 61 is disposed on a grid formed by the lower longitudinal and transverse prestressed cables 4, the web truss 62 is rigidly connected to the top of the buoyancy tank 61, and forms a rigid floating body of an independent unit with the buoyancy tank 61, wherein the rigid floating body may be in a shape of a quadrangular pyramid, a triangle, or the like, and the web truss 62 may be an angle steel truss, a pipe truss, or a steel mesh truss. Further, a second sleeve 621 is further disposed on the web truss 62, and the upper layer longitudinal and transverse prestressed cable 3 is inserted through the second sleeve 621 to provide a positioning connection for the upper layer longitudinal and transverse prestressed cable 3.
It should be noted that the truss 62 is connected to the buoyancy tank 61 and the upper longitudinal and transverse prestressed cables 3, respectively, and the buoyancy tank 61 is connected to the lower longitudinal and transverse prestressed cables 4, so that the truss 62 directly or indirectly connects the upper longitudinal and transverse prestressed cables 3 and the lower longitudinal and transverse prestressed cables 4 to form a truss of the entire floating platform structure, and the truss 62 serves as a base platform for installation and can transmit the upper load to the buoyancy tank 61.
It should be further noted that, as the vertical supporting body of the whole structure system, buoyancy is provided to balance the vertical load generated at the upper part, the buoyancy tank 61 is filled with non-degradable foam (foam materials such as extruded sheet, polyurethane, polyethylene, etc.), so that while the cost is effectively saved, the gravity center of the whole buoyancy tank 61 is moved down due to the self-weight of the buoyancy tank is greatly increased, the low-frequency resonance caused by the wind and wave load can be effectively avoided, and the stability of the buoyancy tank 61 is improved. In addition, the peripheral periphery of flotation tank 61 can set up trash rack equipment such as trash rack for it gets into in the floating platform to intercept surface of water filth, rubbish etc..
Referring to fig. 15, in a further implementation of an embodiment, the float mechanism 6 further includes a rib 64, and the rib 64 is disposed on the float 61. Specifically, rib 64 is the concrete rib, rib 64 sets up on the side of flotation tank 61, on the one hand, rib 64 can increase flotation tank 61's cross-sectional thickness, in material saving, can effectively improve flotation tank 61's rigidity, on the other hand, rib 64 can further increase flotation tank 61's weight to can further improve flotation tank 61's stability.
Referring to fig. 16 and 17, in a further embodiment of an embodiment, the buffering adjustment assembly 63 includes a pre-embedded fixing member 631, a pad 632, a first spring element 633 and a connection hook 634. Specifically, the pre-buried fixing member 631 is disposed on the buoyancy tank 61, the lower layer longitudinal and transverse prestressed cables 4 penetrate through the pre-buried fixing member 631, the two base plates 632 are disposed and spaced on the lower layer longitudinal and transverse prestressed cables 4, the first spring element 633 is disposed on the lower layer longitudinal and transverse prestressed cables 4 and located between the base plates 632, and the connection hook 634 is disposed on the lower layer longitudinal and transverse prestressed cables 4 and located on one side of the first spring element 633 away from the buoyancy tank 61. The connecting hooks 634 are used for connecting two adjacent buoyancy tanks 61, and the connecting hooks 634 between two adjacent buoyancy tanks 61 are connected through hinges, so that angular displacement in all directions can be effectively released, a certain buffering effect is achieved, and the buoyancy tanks 61 can adapt to certain deformation under the action of wind waves after being connected in series.
Referring to fig. 20 and 21, in a further embodiment of an embodiment, a channel 31 and a connecting device 32 are provided on the upper layer longitudinal and transverse prestressed cable 3, the channel 31 is provided on the connecting device 32, and the connecting device 32 is provided on the crossing node of the upper layer longitudinal and transverse prestressed cable 3. Specifically, the connecting device 32 includes a steel plate 321 and a first sleeve 322 disposed on the steel plate 321, where the steel plate 321 is a square steel plate 321, the first sleeve 322 is disposed on each side of the steel plate 321, the upper layer main cable 21 is disposed through the first sleeve 322, and the connecting device 32 can improve the stability of the upper layer longitudinal and transverse prestressed cable 3 and is connected to the upper layer main cable 21 through the first sleeve 322 to realize the positioning effect of the upper layer main cable 21 on the upper layer longitudinal and transverse prestressed cable 3. The connection device 32 may be a simple prestressed cable limiting type, and may also be a hub type node, and the present invention is described by taking the connection device 32 as an example. Referring to fig. 13 and 14, the upper layer longitudinal and transverse prestressed cables 3 are respectively arranged through the connecting device 32 from the transverse direction and the longitudinal direction, the connecting device 32 is arranged in a manner that the hub node can release angular displacement, so that the upper layer longitudinal and transverse prestressed cables 3 can adapt to certain deformation, and the channel 31 is arranged above the connecting device 32. It should be noted that the channel 31 provides a traffic channel 31 for later maintenance and overhaul, and a certain height space is left between the lower-layer longitudinal and transverse prestressed cables 4 and the water surface, so that a facility for water surface garbage cleaning and transportation overhaul can be provided for an overhaul worker by using a small ship.
Referring to fig. 3, 4 and 5, in a further embodiment of an embodiment, the first adjusting device 5 includes a telescopic adjuster 51, an extender 52 and a latch 53. Specifically, the telescopic adjusters 51 are respectively arranged on the upper layer longitudinal and transverse prestressed cables 3 and the lower layer longitudinal and transverse prestressed cables 4, the lengtheners 52 are arranged on both sides of the telescopic adjusters 51, and the latches 53 are respectively arranged at one end where the upper layer longitudinal and transverse prestressed cables 3 are connected with the main cable 2 and at one end where the lower layer longitudinal and transverse prestressed cables 4 are connected with the main cable 2. The telescopic adjuster 51 is connected to the upper longitudinal and transverse prestressed cables 3 or the lower longitudinal and transverse prestressed cables 4 through the spreader 52, the upper longitudinal and transverse prestressed cables 3 are connected to the upper main cables 21 through the latches 53, the lower longitudinal and transverse prestressed cables 4 are connected to the lower main cables 22 through the latches 53, thereby connecting the upper main cables 21, the lower main cables 22 and the buoyancy tank 61, the telescopic adjuster 51 is used for adjusting the internal stress between the adjacent upper longitudinal and transverse prestressed cables 3 and the upper main cables 21, and adjusting the internal stress between the lower longitudinal and transverse prestressed cables 4 and the lower main cables 22, thereby adjusting the deformation generated by the upper longitudinal and transverse prestressed cables 3 and the lower longitudinal and transverse prestressed cables 4, so that the prestressed main cables 2 and the upper longitudinal and transverse prestressed cables 3 and the lower longitudinal and transverse prestressed cables 4 can be always in a tensioned state, thereby generating a certain pulling force on the buoyancy tank mechanism 6, so that the buoyancy tank mechanism 6 is kept stable on the water surface, and the floating platform is kept in a relatively stable state on the water surface.
More specifically, the telescopic adjuster 51 includes a housing 511, a second spring element 512, a stopper 513 and a push block 514, the second spring element 512, the stopper 513 and the push block 514 are all disposed in the housing 511, the upper layer longitudinal and transverse prestressed cable 3 or the lower layer longitudinal and transverse prestressed cable 4 is disposed through the housing 511, one end of the upper layer longitudinal and transverse prestressed cable 3 or the lower layer longitudinal and transverse prestressed cable 4 on one side of the housing 511 is connected to the push block 514, and one end of the upper layer longitudinal and transverse prestressed cable 3 or the lower layer longitudinal and transverse prestressed cable 4 on the other side of the housing 511 is disposed through the second spring element 512 and connected to the stopper 513. The length of the second spring element 512 is smaller than the length of the housing 511, and when the second spring element 512 is generally extended, the stopper 513 moves toward the pushing block 514, and then the second spring element 512 rebounds to abut against the stopper 513, so that the pushing block 514 is always attached to the housing 511. On the contrary, when the second spring element 512 is shortened as a whole, the stopper 513 is far away from the pushing block 514, and then the second spring element 512 is compressed by the stopper 513, so that the pushing block 514 is always attached to the housing 511, and the upper layer longitudinal and transverse prestressed cable 3 or the lower layer longitudinal and transverse prestressed cable 4 is always in a tensioned state with the main cable 2.
Referring to fig. 1 to 21, based on the same inventive concept, the invention further provides an above-water photovoltaic power station, where the above-water photovoltaic power station includes a photovoltaic module 10, the above-water photovoltaic power station further includes the floating platform, and the photovoltaic module 10 is disposed on the floating platform. The photovoltaic module 10 is composed of a plurality of solar photovoltaic panels, and the solar photovoltaic panels are arranged on a ventral truss 62 on the floating platform. The water surface photovoltaic power station is built on the basis of a truss floating body (consisting of a floating box 61 and an abdominal truss 62) with independent unit rigidity, the rigidity is high in the case of unit rigid bodies, the deformation influence on a solar photovoltaic panel is small, the unit rigid body truss is fixedly embedded between an upper layer flexible prestressed cable and a lower layer flexible prestressed cable (an upper layer longitudinal transverse prestressed cable 3 and a lower layer longitudinal transverse prestressed cable 4), a flexible space cable truss integral structure is formed by longitudinally and transversely tensioning the upper layer cable and the lower layer cable, and the whole space cable truss structure can be used as a basic platform after being formed and is built on the photovoltaic power station.
In the specific implementation, an anchoring seat 1 is arranged on the shore as a connecting fixed point of the whole system, after a connecting cable 8, a main cable 2 and a conversion transition buoyancy tank 7 are installed, a ventral truss 62, a buoyancy tank 61 and a solar photovoltaic panel are assembled on one side of the shore, and an upper longitudinal transverse prestressed cable 3 and a lower longitudinal transverse prestressed cable 4 are sequentially installed, wherein the basic grid formed by the upper longitudinal transverse prestressed cable 3 is 20 meters, namely the buoyancy tank 61 and the ventral truss 62 are embedded into an upper longitudinal transverse prestressed cable 3 tensioning system (the grid size of the upper longitudinal transverse prestressed cable 3 is 20 meters), the lower longitudinal transverse prestressed cable 4 is formed into a basic grid of 5 meters (5 meters to 5 meters of the buoyancy tank 61), a row of installed buoyancy tanks 61 are pulled to the opposite side along the upper main cable 21 and the lower main assembled cable 22 on the two sides, the upper longitudinal transverse prestressed cable 3 and the lower transverse prestressed cable 4 are tensioned after the whole is completed, a structural system can be formed, a platform system with a scale is formed, and finally the solar photovoltaic module 10 is installed on the platform system to build the water photovoltaic power station. It should be noted that the size of the structural grid can be adjusted according to the actual project.
In summary, the present invention provides a floating platform and an above-water photovoltaic power station, wherein the floating platform includes: an anchoring seat; two ends of the main cable are respectively connected with the anchoring seat; the upper-layer longitudinal and transverse prestressed cable is arranged on the main cable and is connected with the main cable; the lower-layer longitudinal and transverse prestressed cable is arranged on the main cable and connected with the main cable; the first adjusting devices are respectively arranged between the upper layer longitudinal and transverse prestressed cables and the main cable and between the lower layer longitudinal and transverse prestressed cables and the main cable and are used for adjusting the deformation generated by the upper layer longitudinal and transverse prestressed cables and the lower layer longitudinal and transverse prestressed cables; and the buoyancy tank mechanism is arranged between the upper layer longitudinal and transverse prestressed cables and the lower layer longitudinal and transverse prestressed cables and is used for providing buoyancy. The invention realizes that a structural system capable of bearing horizontal load and vertical load can be formed under the conditions that the water level drop exists on the water surface and the water surface is wide, thereby improving the stability of the overwater photovoltaic power station on the water surface.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. A floating platform, comprising:
an anchoring seat;
two ends of the main cable are respectively connected with the anchoring seat;
the upper-layer longitudinal and transverse prestressed cable is arranged on the main cable and is connected with the main cable;
the lower-layer longitudinal and transverse prestressed cable is arranged on the main cable and connected with the main cable;
the first adjusting devices are respectively arranged between the upper layer longitudinal and transverse prestressed cables and the main cable and between the lower layer longitudinal and transverse prestressed cables and the main cable and are used for adjusting the deformation generated by the upper layer longitudinal and transverse prestressed cables and the lower layer longitudinal and transverse prestressed cables; and
and the buoyancy tank mechanism is arranged between the upper layer longitudinal and transverse prestressed cable and the lower layer longitudinal and transverse prestressed cable and is used for providing buoyancy.
2. The floating platform of claim 1, wherein the main cables comprise upper and lower main cables, and the upper longitudinal and transverse prestressed cables are crosswise arranged on the upper main cables to form a plurality of grids; the lower layer longitudinal and transverse prestressed cables are arranged on the lower layer main cable in a crossed mode and form a plurality of grids.
3. The flotation platform of claim 2, wherein the pontoon mechanism comprises:
the buoyancy tank is arranged on the grid formed by the lower layer longitudinal and transverse prestressed cables;
the ventral truss is arranged on the buoyancy tank and is connected with the upper-layer longitudinal and transverse prestressed cables; and
and the buffer adjusting assembly is arranged on the buoyancy tank and is connected with the lower layer longitudinal and transverse prestressed cables.
4. The flotation platform of claim 3, wherein the trim adjustment assembly comprises:
the embedded fixing piece is arranged on the buoyancy tank, and the lower-layer longitudinal and transverse prestressed cables penetrate through the embedded fixing piece;
the base plates are arranged on the lower layer longitudinal and transverse prestressed cables at intervals;
the first spring element is arranged on the lower layer longitudinal and transverse prestressed cable and is positioned between the backing plates; and
and the connecting hook is arranged on the lower layer longitudinal and transverse prestressed cable and is positioned on one side, far away from the buoyancy tank, of the first spring element.
5. The flotation platform of claim 3, wherein the pontoon mechanism further comprises ribs provided on the pontoon.
6. The floating platform as claimed in claim 2, wherein the upper longitudinal and transverse prestressed cables are provided with channels and connecting means, the channels are provided on the connecting means, and the connecting means are provided on the crossing nodes of the upper longitudinal and transverse prestressed cables.
7. The flotation platform of claim 6, wherein the connection means comprises a steel plate and a first sleeve disposed on the steel plate, the upper main line being threaded through the first sleeve.
8. The flotation platform of claim 1, wherein the first adjustment device comprises:
the telescopic regulators are respectively arranged on the upper layer longitudinal and transverse prestressed cables and the lower layer longitudinal and transverse prestressed cables;
the lengtheners are arranged on two sides of the telescopic regulator;
the clamping locks are respectively arranged at one end where the upper layer longitudinal and transverse prestressed cable is connected with the main cable and at one end where the lower layer longitudinal and transverse prestressed cable is connected with the main cable;
the telescopic regulator comprises a shell, a second spring element, a stop block and a push block, wherein the second spring element, the stop block and the push block are all arranged in the shell, the upper layer longitudinal and transverse prestressed cable or the lower layer longitudinal and transverse prestressed cable penetrates through the shell, one end of the upper layer longitudinal and transverse prestressed cable or the lower layer longitudinal and transverse prestressed cable, which is positioned on one side of the shell, is connected with the push block, and one end of the upper layer longitudinal and transverse prestressed cable or the lower layer longitudinal and transverse prestressed cable, which is positioned on the other side of the shell, penetrates through the second spring element and is connected with the stop block.
9. The floating platform of claim 1, further comprising a transition pontoon, the main rope being connected to the transition pontoon; a connecting cable is further arranged between the conversion transition buoyancy tank and the anchoring seat; and a second adjusting device for adjusting the length of the connecting cable is arranged on the connecting cable.
10. An above-water photovoltaic power plant comprising photovoltaic modules, the above-water photovoltaic power plant further comprising a flotation platform according to any one of claims 1 to 9, the photovoltaic modules being disposed on the flotation platform.
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| CN202010511069.6A CN111628702B (en) | 2020-06-08 | 2020-06-08 | Floating platform and photovoltaic power station on water |
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| CN202010511069.6A CN111628702B (en) | 2020-06-08 | 2020-06-08 | Floating platform and photovoltaic power station on water |
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Cited By (1)
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| CN112339912A (en) * | 2020-11-10 | 2021-02-09 | 合肥阳光新能源科技有限公司 | Water surface photovoltaic anchoring system and design method thereof |
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