CN111628702B - Floating platform and photovoltaic power station on water - Google Patents
Floating platform and photovoltaic power station on water Download PDFInfo
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- CN111628702B CN111628702B CN202010511069.6A CN202010511069A CN111628702B CN 111628702 B CN111628702 B CN 111628702B CN 202010511069 A CN202010511069 A CN 202010511069A CN 111628702 B CN111628702 B CN 111628702B
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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 water photovoltaic power station, wherein the floating platform comprises: an anchor seat; the two ends of the main rope are respectively connected with the anchoring seats; 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 is connected with the main cable; the first adjusting device is respectively arranged between the upper longitudinal and transverse prestressed cable and the main cable and between the lower longitudinal and transverse prestressed cable and the main cable and is used for adjusting deformation generated by the upper longitudinal and transverse prestressed cable and the lower longitudinal and transverse prestressed cable; and the buoyancy tank mechanism is arranged between the upper layer longitudinal and transverse prestressed ropes and the lower layer longitudinal and transverse prestressed ropes and is used for providing buoyancy. The invention realizes that a structural system which can bear horizontal load and vertical load can be formed under the condition that the water level fall exists on the water surface and the water surface is wider, and improves the stability of the 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 a water photovoltaic power station.
Background
In recent years, water photovoltaic power plants have been widely used by virtue of their unique advantages. The water surface of the water-borne photovoltaic power station is used for reducing occupation of land resources such as cultivated land, woodland and grassland, and a large amount of water can be shielded, sunlight irradiation is shielded, a large projection surface is formed, growth of algae is inhibited to a certain extent, prevention and control of water pollution are facilitated, and cultivation is not affected. The water photovoltaic power station floats on the water surface by depending on the water platform, and due to the cooling effect of water, the water surface photovoltaic power station can obtain more power generation quantity than a large-scale ground power station and a roof distributed photovoltaic power station. The water surface photovoltaic power station is in the water environment, so that solid adsorption of dust and the like is avoided, the cleaning-free in the true sense is realized, and the cost and the electric quantity loss caused by cleaning the photovoltaic panel are reduced.
However, the construction of waterborne photovoltaic plants requires a carrier that provides a platform for photovoltaic panel installation. Therefore, a reliable, durable and economical floating platform forms a crucial foundation for the construction of photovoltaic power plants on water. Currently, the carriers widely used are: the system comprises a water surface elevated type photovoltaic support, a floating pipe type floating photovoltaic system, a standard floating box type floating photovoltaic system, an HDPE floating box+support type floating photovoltaic system, an HSCC-FB floating box+support type floating photovoltaic system and a fish belly type steel rope flexible support system. However, each of the above systems has its advantages, disadvantages and limitations, and particularly in the case of a water level head on the water surface and a wide water surface, the stability of the floating platform is poor.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
In view of the shortcomings of the prior art, the invention aims to provide a floating platform and a water photovoltaic power station, so as to solve the problem that the stability of the floating platform of the existing water photovoltaic power station is poor under the conditions that the water level of the existing water photovoltaic power station is low and the water level of the existing water photovoltaic power station is wide.
The technical scheme of the invention is as follows:
a flotation platform, the flotation platform comprising:
an anchor seat;
the two ends of the main rope are respectively connected with the anchoring seats;
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 is connected with the main cable;
the first adjusting device is respectively arranged between the upper layer longitudinal and transverse prestressed cable and the main cable and between the lower layer longitudinal and transverse prestressed cable and the main cable and is used for adjusting deformation generated by the upper layer longitudinal and transverse prestressed cable and the lower layer longitudinal and transverse prestressed cable; and
the buoyancy tank mechanism is arranged between the upper layer longitudinal and transverse prestressed ropes and the lower layer longitudinal and transverse prestressed ropes and is used for providing buoyancy.
The invention further provides the upper-layer longitudinal and transverse prestressed ropes, wherein the upper-layer longitudinal and transverse prestressed ropes are arranged on the upper-layer main ropes in a crossing manner and form a plurality of grids; the lower longitudinal and transverse prestressed ropes are arranged on the lower main ropes in a crossing manner and form a plurality of grids.
According to a further arrangement of the invention, the buoyancy tank mechanism comprises:
the buoyancy tank is arranged on a grid formed by the lower layer longitudinal and transverse prestress ropes;
the web truss is arranged on the buoyancy tank and is connected with the upper longitudinal and transverse prestress cables; and
the buffer adjusting assembly is arranged on the buoyancy tank and is connected with the lower layer longitudinal and transverse prestress cables.
In a further aspect of the invention, the damper adjustment assembly includes:
the embedded fixing piece is arranged on the buoyancy tank, and the lower layer longitudinal and transverse prestress cables penetrate through the embedded fixing piece;
the backing 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 prestress cables and is positioned between the base plates; and
the connecting hook is arranged on the lower layer longitudinal and transverse prestress rope and is positioned at one side of the first spring element far away from the buoyancy tank.
According to a further arrangement of the invention, the buoyancy tank mechanism further comprises ribs, and the ribs are arranged on the buoyancy tank.
According to the invention, the upper longitudinal and transverse prestress ropes are provided with channels and connecting devices, the channels are arranged on the connecting devices, and the connecting devices are arranged on the crossing nodes of the upper longitudinal and transverse prestress ropes.
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 rope is arranged on the first sleeve in a penetrating mode.
According to a further arrangement of the invention, the first adjusting device comprises:
the telescopic regulator is respectively arranged on the upper layer longitudinal and transverse prestressed ropes and the lower layer longitudinal and transverse prestressed ropes;
the lengthening devices are arranged at two sides of the telescopic regulator;
the lock is respectively arranged at one end of the upper layer longitudinal and transverse prestress rope connected with the main rope and one end of the lower layer longitudinal and transverse prestress rope connected with the main rope;
the telescopic adjuster 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 is arranged on one side of the shell in a penetrating mode, one end of the upper layer longitudinal and transverse prestressed cable or the lower layer longitudinal and transverse prestressed cable on the other 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 on the other side of the shell is arranged on the second spring element in a penetrating mode and connected with the stop block.
According to the further arrangement of the invention, the floating platform further comprises a conversion transition buoyancy tank, and the main rope is connected with the conversion transition buoyancy tank; a connecting cable is further arranged between the conversion transition buoyancy tank and the anchoring seat; the connecting rope is provided with a second adjusting device for adjusting the length of the connecting rope.
Based on the same inventive concept, the invention also provides a water photovoltaic power station, which comprises a photovoltaic module, the water photovoltaic power station further comprises the floating platform, and the photovoltaic module is arranged on the floating platform.
The invention provides a floating platform and a water photovoltaic power station, wherein the floating platform comprises: an anchor seat; the two ends of the main rope are respectively connected with the anchoring seats; 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 is connected with the main cable; the first adjusting device is respectively arranged between the upper layer longitudinal and transverse prestressed cable and the main cable and between the lower layer longitudinal and transverse prestressed cable and the main cable and is used for adjusting deformation generated by the upper layer longitudinal and transverse prestressed cable and the lower layer longitudinal and transverse prestressed cable; and the buoyancy tank mechanism is arranged between the upper layer longitudinal and transverse prestressed ropes and the lower layer longitudinal and transverse prestressed ropes and is used for providing buoyancy. The invention realizes that a structural system which can bear horizontal load and vertical load can be formed under the condition that the water level fall exists on the water surface and the water surface is wider, and improves the stability of the 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 that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a plan view of a flotation platform in accordance with the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
FIG. 3 is a schematic diagram showing the connection of the main cable and the upper longitudinal and transverse prestressed cable and the lower longitudinal and transverse prestressed cable.
FIG. 4 is a schematic diagram of the connection of the upper layer main rope and the upper layer longitudinal and transverse prestress rope in the invention.
FIG. 5 is a schematic diagram of the connection of the lower layer main rope and the lower layer longitudinal and transverse prestress rope in the invention.
Fig. 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 and transverse prestressing cables of the present invention.
FIG. 10 is a plan view of the upper layer longitudinal and transverse prestressed cable and buoyancy tank of the present invention.
Fig. 11 is a plan view of the web truss and buoyancy tank of the present invention.
Fig. 12 is a plan view of the buoyancy tank of the present invention.
Fig. 13 is a schematic structural view of the connecting device.
Fig. 14 is a cross-sectional view taken along A-A in fig. 13.
Fig. 15 is an elevation of the buoyancy tank of the present invention.
Fig. 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 illustration of the connection of the main rope to the transition buoyancy tank of the present invention.
Figure 19 is a schematic view of the connection of the web truss to the upper longitudinal and transverse prestressed cables of the present invention.
Fig. 20 is a schematic structural view of the connecting device in the present invention.
Fig. 21 is a cross-sectional view taken along A-A in fig. 20.
The marks in the drawings are as follows: 1. an anchor seat; 2. a main rope; 21. an upper layer main rope; 22. a lower main rope; 3. The upper layer is longitudinally and transversely provided with a prestressed cable; 31. a channel; 32. a connecting device; 321. a steel plate; 322. a first sleeve; 4. the lower layer is longitudinally and transversely prestressed ropes; 5. a first adjusting device; 51. a telescopic adjuster; 511. A housing; 512. a second spring element; 513. a stop block; 514. a pushing block; 52. a lengthening device; 53. Locking; 6. a buoyancy tank mechanism; 61. a buoyancy tank; 62. a web truss; 621. a second sleeve; 63. a buffer adjustment assembly; 631. embedding a fixing piece; 632. a backing plate; 633. a first spring element; 634. a connecting hook; 64. a rib; 7. a transition buoyancy tank is converted; 8. a connecting cable; 9. a second adjusting device; 10. A photovoltaic module.
Detailed Description
The invention provides a floating platform and a water photovoltaic power station, which effectively solve the problem that the prior water 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 on the premise of not occupying cultivated lands. The floating platform can form a stress system of the flexible space prestressed cable truss structure on the water surface, and the advantages of the space cable truss structure suitable for a large-span structure are applied to the water surface, so that a structural system capable of bearing horizontal load and vertical load is formed under the conditions of a certain water level drop and a wider water surface, the stability of the photovoltaic power station on the water surface is improved, and the possibility is provided for the photovoltaic power station on the water surface from a low-storm area to a high-storm area.
In order to make the objects, technical solutions and effects of the present invention clearer and more obvious, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description and claims, unless the context clearly dictates otherwise, the terms "a" and "an" and "the" may refer to either a single or a plurality.
In addition, if there is a description of "first", "second", etc. in the embodiments 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 a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1 to 21, the present invention provides a floating platform according to a preferred embodiment.
As shown in fig. 1, 2, 3, 6, 7 and 8, the floating platform provided by the invention comprises an anchor seat 1, a main rope 2, an upper longitudinal and transverse prestress rope 3, a lower longitudinal and transverse prestress rope 4, a first adjusting device 5 and a buoyancy tank mechanism 6. Specifically, anchor seat 1 is provided with a plurality of, main rope 2 both ends respectively with anchor seat 1 is connected, upper strata vertically and horizontally prestressing cable 3 set up on main rope 2 and with main rope 2 is connected, lower floor's vertically and horizontally prestressing cable 4 set up on main rope 2 and with main rope 2 is connected, first adjusting device 5 set up respectively upper strata vertically and horizontally prestressing cable 3 with between main rope 2, lower floor's vertically and horizontally prestressing cable 4 with between main rope 2 for adjust the deformation that upper strata vertically and horizontally prestressing cable 3 and lower floor's vertically and horizontally prestressing cable 4 produced, buoyancy box mechanism 6 sets up upper strata vertically and horizontally prestressing cable 3 with lower floor's vertically and horizontally prestressing cable 4 between and be used for providing buoyancy.
It should be noted that the anchor socket 1 mainly serves to provide a fixed connection point for the whole structural system. Wherein, the anchoring seat 1 can adopt a concrete gravity pier, an anchor rope, an anchor rod concrete anchoring pier system or a concrete anchoring system with a guide groove (capable of vertically lifting). In specific implementation, the anchoring seats 1 are arranged on two sides of the water surface, and the specific number of the anchoring seats 1 is set according to actual conditions.
It should be further noted that the cable mentioned in the present invention may be replaced by a rod, that is, the upper longitudinal and transverse prestressed cable 3, the lower longitudinal and transverse prestressed cable 4, and the main cable 2 may be an upper longitudinal and transverse prestressed rod, a lower longitudinal and transverse prestressed rod, and a main rod.
Through the above technical scheme, the buoyancy can be provided for the whole floating platform by the buoyancy box mechanism 6, so that buoyancy is provided for the main cable 2, the upper longitudinal and transverse prestressed cable 3 and the lower longitudinal and transverse prestressed cable 4 which are directly or indirectly connected with the buoyancy box mechanism 6, so that the main cable 2, the upper longitudinal and transverse prestressed cable 3 and the lower longitudinal and transverse prestressed cable 4 lift along with the lifting of the water level, the buoyancy box mechanism 6 can be kept stable in the vertical direction, the upper longitudinal and transverse prestressed cable 3, the lower longitudinal and transverse prestressed cable 4 and the main cable 2 have a tensioning effect on the buoyancy box mechanism 6, and in the tensioning process, the first adjusting device 5 can adjust the deformation generated by the upper longitudinal and transverse prestressed cable 3 and the lower longitudinal and transverse prestressed cable 4 so as to keep the stability of the buoyancy box mechanism 6 in the horizontal direction. Therefore, the invention can form a structural system which can bear horizontal load and vertical load under the condition of water level drop and wider water surface, thereby improving the stability of the water 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 with 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 to connect the anchor seat 1 and the transition buoyancy tank 7, while having a length sufficient to accommodate the level difference variations, topography variations and adjustment requirements of the second adjustment device 9. The second adjusting device 9 mainly comprises a stress meter, a winch (jack), a water level monitoring system, an operation control system and the like. The second adjusting device 9 mainly has the function of 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 ensured to be in a prestress tensioning state. The transition buoyancy tank 7 is used for transition connection between the connecting cable 8 and the main cable 2, and meanwhile, a counterweight can be added in the transition buoyancy tank 7 to ensure that an inflection point is formed at the intersection point 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 tensioning cables (the upper longitudinal and transverse pre-stressing cables 3 and the lower longitudinal and transverse pre-stressing cables 4) of the pre-stressing cable truss structure are positioned on a tensioning plane. In addition, the conversion transition buoyancy tank 7 is provided with a larger accommodating space, and devices such as a voltage rising and transforming device and an electric control device of the photovoltaic power station can be arranged in the conversion transition buoyancy tank 7 so as to maximize the utilization space.
Referring to fig. 3, 4, 5, 9, 10 and 18, in a further implementation manner of an embodiment, the main rope 2 includes an upper main rope 21 and a lower main rope 22, the upper longitudinal and transverse prestressed ropes 3 are disposed on the upper main rope 21 in a crossing manner and form a plurality of grids, and the lower longitudinal and transverse prestressed ropes 4 are disposed on the lower main rope 22 in a crossing manner and form a plurality of grids.
Specifically, the upper layer main rope 21 and the lower layer main rope 22 are connected with the transition buoyancy tank 7, and simultaneously provide connection points for the upper layer longitudinal and transverse prestress rope 3 and the lower layer longitudinal and transverse prestress rope 4. The upper longitudinal and transverse prestressed cables 3 are arranged on the upper main cable 21 in a crossing manner and form a longitudinal and transverse orthogonal net structure, the orthogonal net structure is provided with a plurality of grids, and the lower longitudinal and transverse prestressed cables 4 are arranged on the lower main cable 22 in a crossing manner and form a longitudinal and transverse orthogonal net structure, and the orthogonal net structure is also provided with a plurality of grids. The upper layer longitudinal and transverse prestressed cables 3 are arranged in a crossing manner on the upper layer main cable 21 to form a longitudinal and transverse net structure, and the lower layer longitudinal and transverse prestressed cables 4 are arranged in a crossing manner on the upper layer main cable 21 to form a longitudinal and transverse net structure, and may be arranged to be an approximately orthogonal net structure, that is, may be arranged to be an oblique net structure.
Referring to fig. 1, 6, 7, 8, 10, 11, 12, 15, 16, 17 and 19, in a further implementation of an embodiment, the buoyancy tank mechanism 6 includes a buoyancy tank 61, a web truss 62 and a buffer adjustment assembly 63, the buoyancy tank 61 is disposed on a 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 buffer 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 prestress 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 can be in a shape of a quadrangle cone, a triangle or the like, and the web truss 62 can 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 longitudinal and transverse prestressed cables 3 are threaded through the second sleeve 621 to provide positioning connection for the upper longitudinal and transverse prestressed cables 3.
The web 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 web 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 the web of the entire floating platform structure, and the web truss 62 serves as a base platform for installation, thereby transferring the load on the upper portion to the buoyancy tank 61.
It should be further noted that, as the vertical carrier of the whole structural system, buoyancy is provided for balancing the vertical load generated on the upper portion, the buoyancy tank 61 is filled with non-degradable foam (foam materials such as extruded sheet, polyurethane and polyethylene), so that the cost is effectively saved, the self weight is greatly increased, the gravity center of the whole buoyancy tank 61 is moved downwards, and therefore, 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 periphery of the buoyancy tank 61 can be provided with trash blocking devices such as a trash blocking grid and the like for blocking water surface dirt, garbage and the like from entering the floating platform.
Referring to fig. 15, in a further implementation of an embodiment, the buoyancy tank mechanism 6 further includes a rib 64, and the rib 64 is disposed on the buoyancy tank 61. Specifically, the ribs 64 are concrete ribs, and the ribs 64 are disposed on the side surface of the buoyancy tank 61, on one hand, the ribs 64 can increase the sectional thickness of the buoyancy tank 61, and can effectively increase the rigidity of the buoyancy tank 61 while saving materials, and on the other hand, the ribs 64 can further increase the weight of the buoyancy tank 61, thereby further increasing the stability of the buoyancy tank 61.
Referring to fig. 16 and 17, in a further implementation of an embodiment, the buffer adjusting assembly 63 includes a pre-buried fixing member 631, a pad 632, a first spring element 633 and a connecting hook 634. Specifically, the pre-buried fixing part 631 is disposed on the buoyancy tank 61, the lower-layer longitudinal and transverse pre-stressing cables 4 are disposed on the pre-buried fixing part 631 in a penetrating manner, the base plate 632 is disposed on the lower-layer longitudinal and transverse pre-stressing cables 4 at intervals, the first spring element 633 is disposed on the lower-layer longitudinal and transverse pre-stressing cables 4 and between the base plates 632, and the connecting hook 634 is disposed on the lower-layer longitudinal and transverse pre-stressing cables 4 and is located at 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 the 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 certain deformation under the action of stormy waves can be adapted after the buoyancy tanks 61 are connected in series.
Referring to fig. 20 and 21, in a further implementation manner of an embodiment, a channel 31 and a connecting device 32 are disposed on the upper layer longitudinal and transverse prestressed cable 3, the channel 31 is disposed on the connecting device 32, and the connecting device 32 is disposed on a 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, wherein the steel plate 321 is a square steel plate 321, the side edges of the steel plate 321 are respectively provided with a first sleeve 322, the upper layer main cable 21 is arranged on the first sleeve 322 in a penetrating manner, the connecting device 32 can improve the stability of the upper layer longitudinal and transverse prestressed cable 3, and is connected with the upper layer main cable 21 through the first sleeve 322, so that the positioning effect of the upper layer main cable 21 on the upper layer longitudinal and transverse prestressed cable 3 is realized. The connection device 32 may be configured as a simple limit type prestressed cable, or may be configured as a hub 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 inserted into the connecting device 32 from the transverse direction and the longitudinal direction, the connecting device 32 is configured as a hub type node capable of releasing angular displacement, so that the upper layer longitudinal and transverse prestressed cables 3 can adapt to a certain degree of deformation, and the channel 31 is disposed 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 reserved between the lower layer longitudinal and transverse prestressed cable 4 and the water surface, so that an maintainer can use a small-sized ship to clean and transport the garbage on the water surface.
Referring to fig. 3, 4 and 5, in a further implementation of an embodiment, the first adjusting device 5 includes a telescopic adjuster 51, a lengthening device 52 and a latch 53. Specifically, the telescopic regulator 51 is respectively disposed on the upper layer longitudinal and transversal prestressed cable 3 and the lower layer longitudinal and transversal prestressed cable 4, the lengthening device 52 is disposed on two sides of the telescopic regulator 51, and the latch 53 is respectively disposed at one end of the upper layer longitudinal and transversal prestressed cable 3 connected to the main cable 2 and one end of the lower layer longitudinal and transversal prestressed cable 4 connected to the main cable 2. The telescopic adjuster 51 is connected with the upper longitudinal and transverse prestressed cables 3 or the lower longitudinal and transverse prestressed cables 4 through the lengthening device 52, the upper longitudinal and transverse prestressed cables 3 are connected with the upper main cables 21 through the clamping locks 53, the lower longitudinal and transverse prestressed cables 4 are connected with the lower main cables 22 through the clamping locks 53, so that the upper main cables 21, the lower main cables 22 and the buoyancy tank 61 are connected together, the telescopic adjuster 51 is used for adjusting internal stress between the upper longitudinal and transverse prestressed cables 3 and the upper main cables 21 which are connected adjacently, and can adjust internal stress between the lower longitudinal and transverse prestressed cables 4 and the lower main cables 22, so that deformation generated by the upper longitudinal and transverse prestressed cables 3 and the lower longitudinal and transverse prestressed cables 4 is adjusted, the upper longitudinal and transverse prestressed cables 3 and the lower longitudinal and transverse prestressed cables 4 and the main cables 2 can be always in a tensioning state, a stable and stable water surface state is kept for the buoyancy tank 6, and a stable water surface is kept on the buoyancy tank 6.
More specifically, the telescopic adjuster 51 includes a housing 511, a second spring element 512, a stop 513, and a push block 514, where the second spring element 512, the stop 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 stop block 513. The length of the second spring element 512 is smaller than that of the housing 511, and when the second spring element 512 is generally elongated, the stop 513 moves toward the push block 514, and then the second spring element 512 bounces back and abuts against the stop 513, so that the push block 514 is always abutted against the housing 511. Conversely, when the second spring element 512 is generally shortened, the stop 513 is away from the push block 514, and then the second spring element 512 is compressed by the stop 513, so that the push block 514 is always tightly attached to the housing 511, and the upper longitudinal and transversal prestressed cable 3 or the lower longitudinal and transversal 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 present invention further provides a water photovoltaic power station, which includes a photovoltaic module 10, the 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 web truss 62 on the floating platform. The water surface photovoltaic power station is built on the basis of an independent unit rigid truss floating body (formed by a floating box 61 and a web truss 62), the rigidity of the unit rigid body is high, the deformation influence on the solar photovoltaic panel is small, the unit rigid body truss is embedded between an upper layer and a lower layer of flexible prestressed ropes (an upper layer of longitudinal and transverse prestressed ropes 3 and a lower layer of longitudinal and transverse prestressed ropes 4), a flexible space rope truss integral structure is formed by stretching the upper layer of longitudinal and transverse ropes and the lower layer of longitudinal ropes, and the whole space rope truss structure can be used as a basic platform after being formed, so that the photovoltaic power station is built on the unit rigid body.
In specific implementation, an anchor seat 1 is required to be arranged on the shore as a connection 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 web truss 62, a buoyancy tank 61 and a solar photovoltaic panel are assembled on the shore on one side, an upper longitudinal and transverse prestress cable 3 and a lower longitudinal and transverse prestress cable 4 are sequentially installed, wherein a basic grid formed by the upper longitudinal and transverse prestress cable 3 is 20 meters, namely, the buoyancy tank 61 and the web truss 62 are embedded into an upper longitudinal and transverse prestress cable 3 tensioning system (the upper plane size is 20 meters with the grid size of the upper longitudinal and transverse prestress cable 3), the lower longitudinal and transverse prestress cable 4 forms a basic grid is 5 meters (5 meters with the size of the buoyancy tank 61), the assembled row of buoyancy tank 61 is pulled to the opposite side along the upper main cable 21 and the lower main cable 22, the upper longitudinal and transverse prestress cable 3 and the lower longitudinal and transverse prestress cable 4 are tensioned to form a structural system, and finally, the system is formed into a photovoltaic power station system, and the photovoltaic system is installed on the photovoltaic platform 10. It should be noted that the size of the structural grid may be actually adjusted according to the project.
In summary, the floating platform and the above-water photovoltaic power station provided by the invention, wherein the floating platform comprises: an anchor seat; the two ends of the main rope are respectively connected with the anchoring seats; 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 is connected with the main cable; the first adjusting device is respectively arranged between the upper layer longitudinal and transverse prestressed cable and the main cable and between the lower layer longitudinal and transverse prestressed cable and the main cable and is used for adjusting deformation generated by the upper layer longitudinal and transverse prestressed cable and the lower layer longitudinal and transverse prestressed cable; and the buoyancy tank mechanism is arranged between the upper layer longitudinal and transverse prestressed ropes and the lower layer longitudinal and transverse prestressed ropes and is used for providing buoyancy. The invention realizes that a structural system which can bear horizontal load and vertical load can be formed under the condition that the water level fall exists on the water surface and the water surface is wider, and improves the stability of the photovoltaic power station on the water surface.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (7)
1. A flotation platform comprising:
an anchor seat;
the two ends of the main rope are respectively connected with the anchoring seats;
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 is connected with the main cable;
the first adjusting device is respectively arranged between the upper layer longitudinal and transverse prestressed cable and the main cable and between the lower layer longitudinal and transverse prestressed cable and the main cable and is used for adjusting deformation generated by the upper layer longitudinal and transverse prestressed cable and the lower layer longitudinal and transverse prestressed cable; and
the buoyancy box mechanism is arranged between the upper layer longitudinal and transverse prestressed ropes and the lower layer longitudinal and transverse prestressed ropes and is used for providing buoyancy; the main ropes comprise an upper layer main rope and a lower layer main rope, and the upper layer longitudinal and transverse prestress ropes are arranged on the upper layer main rope in a crossing manner and form a plurality of grids; the lower longitudinal and transverse prestressed cables are arranged on the lower main cable in a crossing manner and form a plurality of grids;
the buoyancy tank mechanism includes:
the buoyancy tank is arranged on a grid formed by the lower layer longitudinal and transverse prestress ropes;
the web truss is arranged on the buoyancy tank and is connected with the upper longitudinal and transverse prestress cables; and
the buffer adjusting assembly is arranged on the buoyancy tank and is connected with the lower layer longitudinal and transverse prestress cables;
the damper adjustment assembly includes:
the embedded fixing piece is arranged on the buoyancy tank, and the lower layer longitudinal and transverse prestress cables penetrate through the embedded fixing piece;
the backing 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 prestress cables and is positioned between the base plates; and
the connecting hook is arranged on the lower layer longitudinal and transverse prestress rope and is positioned at one side of the first spring element far away from the buoyancy tank.
2. The flotation platform of claim 1 wherein the buoyancy tank mechanism further comprises a rib disposed on the buoyancy tank.
3. The floating platform of claim 1, wherein the upper layer longitudinal and transverse prestressed cables are provided with channels and connecting means, the channels being provided on the connecting means, the connecting means being provided on the crossing nodes of the upper layer longitudinal and transverse prestressed cables.
4. A flotation platform according to claim 3, wherein the connection means comprises a steel plate and a first sleeve provided on the steel plate, the upper main rope being threaded through the first sleeve.
5. A flotation platform according to claim 1, wherein the first adjustment means comprises:
the telescopic regulator is respectively arranged on the upper layer longitudinal and transverse prestressed ropes and the lower layer longitudinal and transverse prestressed ropes;
the lengthening devices are arranged at two sides of the telescopic regulator;
the lock is respectively arranged at one end of the upper layer longitudinal and transverse prestress rope connected with the main rope and one end of the lower layer longitudinal and transverse prestress rope connected with the main rope;
the telescopic adjuster 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 is arranged on one side of the shell in a penetrating mode, one end of the upper layer longitudinal and transverse prestressed cable or the lower layer longitudinal and transverse prestressed cable on the other 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 on the other side of the shell is arranged on the second spring element in a penetrating mode and connected with the stop block.
6. The floating platform of claim 1, further comprising a transition buoyancy tank, the main rope being connected to the transition buoyancy tank; a connecting cable is further arranged between the conversion transition buoyancy tank and the anchoring seat; the connecting rope is provided with a second adjusting device for adjusting the length of the connecting rope.
7. A marine photovoltaic power plant comprising a photovoltaic module, the marine photovoltaic power plant further comprising the floating platform of any one of claims 1-6, the photovoltaic module being disposed on the floating platform.
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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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