CN220743311U - Marine deep water is from steady unrestrained formula photovoltaic floating body structure of resistant - Google Patents
Marine deep water is from steady unrestrained formula photovoltaic floating body structure of resistant Download PDFInfo
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- CN220743311U CN220743311U CN202320213732.3U CN202320213732U CN220743311U CN 220743311 U CN220743311 U CN 220743311U CN 202320213732 U CN202320213732 U CN 202320213732U CN 220743311 U CN220743311 U CN 220743311U
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- 238000007667 floating Methods 0.000 title claims abstract description 127
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 238000004873 anchoring Methods 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 28
- 239000010959 steel Substances 0.000 description 28
- 238000010276 construction Methods 0.000 description 13
- 239000004567 concrete Substances 0.000 description 10
- 230000005484 gravity Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 238000005536 corrosion prevention Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010017472 Fumbling Diseases 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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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
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- Photovoltaic Devices (AREA)
Abstract
The utility model provides an offshore deep water self-stability wave-resistant floating type photovoltaic floating body structure, which comprises a floating base unit formed by an upper frame and a lower self-stability floating body, wherein the self-stability floating body comprises four groups of structures with square vertexes, and each group of structures comprises a buoyancy tank and a heave plate connected below the buoyancy tank to form a self-stability structure with square vertexes. The utility model can ensure the stability of the platform under high sea conditions, can be better suitable for open sea areas and effectively resist wind and wave loads.
Description
Technical Field
The utility model relates to a wave-resistant self-stability deep water floating type photovoltaic floating body structure suitable for an open sea area, which is suitable for the field of offshore photovoltaic power generation, in particular for the field of offshore floating power generation in the open sea area.
Background
In recent years, renewable green energy is gradually the object of pursuing global energy fields, and photovoltaic power generation is gradually becoming an important force in new energy industries due to the advantages of renewable, easy acquisition, no pollution, safety, reliability and the like. Liu Shangguang V power station construction area is big, and the waste of land is obvious, and the inland water surface photovoltaic can be arranged in idle waters, such as lake and reservoir top relatively. However, inland water resources are limited, and the development direction of the centralized photovoltaic power station in China is gradually changed from inland to offshore floating photovoltaic power stations.
The area of the sea area suitable for the offshore floating type photovoltaic arrangement in China is about 71 ten thousand square kilometers, and the offshore photovoltaic can be theoretically installed to be about 7 hundred million kilowatts. Therefore, the offshore floating type photovoltaic power station has wide development prospect.
At present, the offshore floating type photovoltaic development is in an early fumbling stage at home and abroad, no offshore floating type photovoltaic commercial project in the true sense exists internationally, and the aimed sea area is mainly an offshore beach or a fjord area. However, for floating photovoltaic development in open sea areas, the requirements for the load of the marine stormy wave environment are severe, the whole weight of the floating body is smaller, the size is smaller, and the floating body is difficult to maintain enough stability and is extremely easy to topple under high sea conditions, especially typhoon environments. At present, the traditional floating type photovoltaic floating body structure mainly adopts a high-density polyethylene (HDPE) material, and has lower density and lighter mass, and cannot provide enough high stability. Meanwhile, due to the small overall volume, enough ballast is difficult to fill to lower the center of gravity and improve the stability.
Disclosure of Invention
The utility model aims to provide a reasonable, effective and stable self-stability wave-resistant floating type offshore photovoltaic floating body structure, which can be better suitable for open sea areas and can effectively resist wind and wave loads. For this purpose, the utility model adopts the following technical scheme:
an offshore deep water self-stability floating type photovoltaic floating body structure is characterized in that: the photovoltaic floating body structure comprises a floating foundation unit formed by an upper frame and a lower self-stability floating body, the self-stability floating body comprises four groups of structures which are arranged at square vertexes, each group of structures comprises a buoyancy tank and a heave plate connected below the buoyancy tank, the overall gravity center is reduced by adopting the concrete heave plate, the self-stability structure which is arranged at the square vertexes is formed, and meanwhile, the heave plate provides restoring damping for the photovoltaic floating body structure, the vertical movement amplitude of the photovoltaic floating body structure is reduced, the stability is improved, and the self-stability purpose is achieved.
On the basis of adopting the technical scheme, the utility model can also adopt the following further technical schemes or use the further technical schemes in combination:
the upper frame adopts a square structure with cut corners, and the four groups of structures are positioned below edges formed by the cut corners. Further, the square structure with the cut corners is preferably a regular octagon structure. Thus, the arrangement of the upper photovoltaic plate is convenient, the stability is good, and the wave load born by the buoyancy tank can be transmitted to the frames on two adjacent sides to be jointly born.
The connecting system consists of an elastic connecting cable or a polyester cable and a marine inflatable fender. The elastic connecting cable is used for limiting the separation movement range of the floating body units in the square matrix and is connected to the floating body, so that structural deformation caused by tensile force of the steel frame is avoided. The cable guiding holes are reserved at the edge of the self-stability floating body at the lower part and are used for being connected with an anchoring system or connected with adjacent floating foundation units to form a floating type photovoltaic matrix, so that the self-holding capacity of high sea conditions and the adaptability to deep water are improved, the modular manufacturing is realized, the construction cost is reduced, the construction period is shortened, and the reliability and the economical efficiency in the practical engineering application are ensured.
The periphery of the upper frame is provided with a fender, so that structural damage caused by movement collision among floating body units is avoided.
The floating photovoltaic floating body structure mainly sources buoyancy of the floating photovoltaic floating body structure in the utility model, and the floating body structure is reinforced by welding a supporting framework in the structure, wherein the buoyancy of the floating photovoltaic floating body structure mainly sources the buoyancy of the floating photovoltaic floating body structure is of four square column or chamfer square column structures; the upper and lower surfaces of the square column are welded by sealing plates to form a closed space as a floating foundation, and a corrosion-resistant concrete and steel bar structure can be adopted as a main material of the floating body; when the square columns are placed, the square columns are opposite in chamfer angles, so that extreme wave heights among the columns caused by wave superposition generated by vertical plates are reduced; the steel pipe structure extends from the inside of square post below the square post, and reinforced concrete precast slabs are connected to the structure bottom and do, reduce the whole focus of structure, improve the stability. In the utility model, the concrete prefabrication and the floating body upright posts are connected through the connecting rods, so that the gravity center can be adjusted, the gravity center of the whole floating type photovoltaic floating body structure and the whole photovoltaic panel is lowered below the floating center, and the whole floating type photovoltaic floating body structure has better self-stability. Meanwhile, the concrete precast slab can provide restoring damping for the integral structure, and structural stability is improved. Meanwhile, the steel structure part adopts a photovoltaic plate to directly supply externally applied direct current for corrosion prevention, and the whole structure is coated with a corrosion prevention coating.
According to the mooring system, materials such as anchor chains or polyester cables are used as mooring lines, the floating foundation units are connected with the anchoring system, necessary restoring force is provided for the floating foundation units and the floating photovoltaic square matrix formed by the floating foundation units, the movement amplitude of the floating foundation units is limited, anchor point spans are increased in the design of the mooring system, the length of the lying bottom section of the mooring lines is prolonged, the adaptability of the mooring lines under different wave sea conditions and tidal ranges is improved by adopting a high-elasticity material mode, and the reliability of the whole system is improved. For floating photovoltaic square matrix (composed of a plurality of floating foundation units), a multipoint mooring mode can be adopted to limit the floating square matrix.
The anchoring system can be selected according to sea conditions of floating type photovoltaic arrangement sea areas and characteristics of floating type square matrixes, and comprises a towing anchor, a suction anchor, a concrete gravity anchor, a penetration anchor, a pile anchor and the like.
The upper and lower frames of the utility model can be steel frames, and the steel frames are polygonal truss structures. I-steel is adopted as the truss internal connection structure, and C-shaped steel is adopted as the peripheral frame structure. The frame structure is connected with the floating body by adopting a supporting steel frame structure. If the concrete floating body is adopted, the connecting support structure can be prefabricated before concrete pouring, and the steel frame is fixed by reserving a flange or welding steel plates. And the two ends of the large span of the structural frame are connected with the prestressed guy ropes. And arranging the photovoltaic panel on the prestress inhaul cable to ensure that the photovoltaic panel is fully paved on the frame structure.
In summary, the technical scheme of the utility model has the following technical effects:
1) The offshore floating type photovoltaic floating body structure with the self-stability is high in wind and wave resistance and survivability under high sea conditions, and is suitable for deep open sea and sea areas with severe wind and wave environments.
2) The polygonal frame structure is provided as a supporting foundation for the offshore floating type photovoltaic foundation, the structural size can be determined according to photovoltaic arrangement requirements and field sea conditions, the plane utilization rate is better, and the connection type of the connection cable and fender combination between floating body units is provided, so that structural damage caused by collision is avoided.
3) The reinforced concrete precast slabs are adopted as heave plates and are arranged below the uniformly arranged peripheral upright posts, so that the overall motion amplitude is reduced, and the floating type photovoltaic stability is improved.
4) The prestress inhaul cable is adopted as one of the photovoltaic panel supporting structures, so that the total weight is lightened, the upper part is lightened, the gravity center is reduced, the stability is improved, and the economical efficiency is improved.
5) The construction method and the transportation method for the modularized assembly construction of the offshore floating type optical floating body unit are provided, the construction period is shortened, and the offshore production efficiency is improved. Meanwhile, each part of the floating body unit has simple structure type and is easy to produce, install and transport.
Drawings
FIG. 1 is a schematic diagram of a floating structural unit of the present utility model;
FIG. 2 is a side view of the structure of the present utility model;
FIG. 3 is a plan view (top view) of the floating body and steel truss structure of the floating foundation of the present utility model;
FIG. 4 is a schematic view of a steel frame of the present utility model;
FIG. 5 is a schematic view of the structure of the floating body and heave plate according to the utility model;
FIG. 6 is a schematic view of an adjacent floating unit according to the present utility model.
Detailed Description
For further explanation of the content, features and effects of the present utility model, an embodiment is set forth, and the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the self-stabilizing wave-resistant floating type photovoltaic floating body structure provided by the utility model consists of an upper frame and a lower self-stabilizing floating body, and comprises the following components in implementation: a plurality of floating body upright posts 1, a lower connecting rod 2, an upper connecting rod 9, a concrete heave plate 3, a steel frame structure 4, an inflatable fender 8 and an elastic inhaul cable 10.
The floating body upright column 1 is of a square column or chamfer square column structure and is connected with the concrete heave plate 3 through a lower connecting rod 2. The steel frame structure 4 is a long-span octagonal steel frame formed by combining I-steel and C-steel, and is connected with the floating body upright post 1 through an upper connecting rod 9. And a cable guiding hole is reserved at the edge position of the self-stabilizing floating body at the lower part for connecting an anchor line 5 or connecting a connecting cable 7 to be connected with an adjacent floating foundation unit so as to form a floating type photovoltaic matrix. The anchoring line 5 adopts an elastic inhaul cable material, so that the high tide difference change can be met, the anchoring line 5 is connected with the anchor 6, the anchor 6 adopts a steel pipe pile type, and the anchor can also adopt a gravity anchor, a penetration anchor and other anchoring types according to the sea-area seabed rock soil and corresponding standards. The steel frame structure 4 adopts a regular octagon steel frame, the floating body upright posts 1 are positioned below four oblique sides of the regular octagon steel frame 4 (regarded as square oblique sides forming cutting angles), and are uniformly arranged along the perimeter of the steel frame structure 4, namely, are arranged at intervals of one side of the regular octagon.
The elastic inhaul cable 10 is used as a prestress inhaul cable and is connected between the left and right opposite (or front and back opposite) frame edges of the regular octagonal steel frame 4, and can provide bearing function for the photovoltaic panel.
The construction of the floating body foundation (comprising the floating body upright posts 1, the connecting rods 2 and the concrete heave plates 3) and the steel frame 2 is firstly carried out on land, and after the construction is completed, the floating body foundation is transported to an installation wharf and assembled and welded by a crane. And then, paving and installing the photovoltaic module, hoisting the floating body foundation and steel frame 2 assembly (namely, a floating type photovoltaic unit and a photovoltaic plate paved on the regular octagonal steel frame 4) to a deck barge by a crane, and towing the deck barge to a construction sea area by the deck barge.
In the example, when the floating type photovoltaic unit is transported to a construction sea through a deck barge, an anchoring line 5 and an anchoring line 6 are arranged in the construction sea, and a floater is hung at the top end of the anchoring line so that the floating type photovoltaic unit is connected with the floating type photovoltaic unit after being transported to a target sea.
In this embodiment, the floating photovoltaic array is composed of floating photovoltaic units. The units are connected by a connecting cable 7, and the connecting cable 7 can be a polyester cable. The polyester cable 7 is connected to the upper end of the upright column 1, and meanwhile, the anti-collision inflatable fender 8 is arranged on the side surface of the steel frame 2, which is not connected with the floating body upright column, so that structural damage caused by collision is avoided.
The offshore deep water self-stability floating type photovoltaic floating body structure can adopt the following construction method:
the upper frame and the floating body are respectively built, and the floating type foundation unit assembly and the photovoltaic panel laying on the upper frame are completed in a processing plant or an assembly wharf; the floating foundation units are produced and assembled on land, the mooring system and the anchors are arranged in a throwing mode on the sea, the floating body is reserved at the mooring end and is kept near the water surface before being connected with the floating foundation, and after the floating foundation units are transported to a target sea area, connection and assembly are carried out; the floating foundation unit is transported from the wharf to the target sea area, the structure can be hoisted to a deck barge by using wharf hoisting equipment, and the structure is placed in the target sea area by adopting a ship crane movable sliding type launching mode; if a large structure is adopted, the ship can be wet towed to a target sea area by a tugboat for assembling with a mooring system and other floating foundation units after the ship is assembled on a dock or a slipway and launched.
The above embodiments are merely examples of the present utility model, but the present utility model is not limited thereto, and any changes or modifications made by those skilled in the art are included in the scope of the present utility model.
It is noted that the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the foregoing drawings are intended to cover non-exclusive inclusions. The terms "mounted," "configured," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the terms "one end," "another end," "outer side," "inner side," "horizontal," "end," "length," "outer end," "left," "right," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. The terms "first," "second," and the like, are also used for simplicity of description only and are not indicative or implying relative importance.
Claims (6)
1. An offshore deep water is from steady unrestrained formula photovoltaic floating body structure of resistant, its characterized in that: the photovoltaic floating body structure comprises a floating base unit formed by an upper frame and a lower self-stability floating body, wherein the self-stability floating body comprises four groups of structures which are arranged at square vertexes, each group of structures comprises a buoyancy tank and a heave plate connected below the buoyancy tank, and the self-stability structure which is arranged at the square vertexes is formed.
2. An offshore deepwater self-stabilizing wave-resistant floating photovoltaic floating body structure as claimed in claim 1, wherein: the upper frame adopts a square structure with cut corners, and the four groups of structures are positioned below edges formed by the cut corners.
3. An offshore deepwater self-stabilizing wave-resistant floating photovoltaic floating body structure as claimed in claim 2, wherein: the corner cutting square structure is a regular octagon structure.
4. An offshore deepwater self-stabilizing wave-resistant floating photovoltaic floating body structure as claimed in claim 1, wherein: the heave plate is connected with the buoyancy tank through a connecting rod.
5. An offshore deepwater self-stabilizing wave-resistant floating photovoltaic floating body structure as claimed in claim 1, wherein: and a cable guiding hole is reserved at the edge position of the self-stabilizing floating body at the lower part and is used for connecting an anchoring system or connecting an adjacent floating type foundation unit to form a floating type photovoltaic matrix.
6. An offshore deepwater self-stabilizing wave-resistant floating photovoltaic floating body structure as claimed in claim 1, wherein: the periphery of the upper frame is provided with a fender, so that structural damage caused by movement collision among floating body units is avoided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320213732.3U CN220743311U (en) | 2023-02-07 | 2023-02-07 | Marine deep water is from steady unrestrained formula photovoltaic floating body structure of resistant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320213732.3U CN220743311U (en) | 2023-02-07 | 2023-02-07 | Marine deep water is from steady unrestrained formula photovoltaic floating body structure of resistant |
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| Publication Number | Publication Date |
|---|---|
| CN220743311U true CN220743311U (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320213732.3U Active CN220743311U (en) | 2023-02-07 | 2023-02-07 | Marine deep water is from steady unrestrained formula photovoltaic floating body structure of resistant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220743311U (en) |
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2023
- 2023-02-07 CN CN202320213732.3U patent/CN220743311U/en active Active
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