CN114872845A - Floating photovoltaic platform suitable for marine environment - Google Patents
Floating photovoltaic platform suitable for marine environment Download PDFInfo
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- CN114872845A CN114872845A CN202210426125.5A CN202210426125A CN114872845A CN 114872845 A CN114872845 A CN 114872845A CN 202210426125 A CN202210426125 A CN 202210426125A CN 114872845 A CN114872845 A CN 114872845A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 238000005457 optimization Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000011160 research Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 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
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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
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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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
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
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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
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B2017/009—Wave breakers, breakwaters, splashboards, or the like
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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
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/4453—Floating structures carrying electric power plants for converting solar energy into electric energy
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
The invention discloses a floating photovoltaic platform suitable for an offshore environment. The marine engineering device belongs to the technical field of marine engineering and comprises a buoyancy tank, a circular steel tube, a chain bolt, a breakwater, a photovoltaic module, a cross beam and a rubber ring; the floating box is connected with the photovoltaic module through a cross beam, and round steel tubes are arranged on two side faces of the floating box along the length direction to limit the position of the floating box; the wave-proof plate is provided with a plurality of openings and is arranged on one side of the wave-facing surface of the floating photovoltaic unit buoyancy tank; the connecting bolts are connected through the rubber rings, and external force of the floating photovoltaic array in the marine environment is dispersed to the greatest extent. The photovoltaic power station on the main flow water surface is optimized, the floating photovoltaic power station can adapt to the offshore working environment through the optimization of the structure form of the photovoltaic power station and the combination of the photovoltaic power station and the wave absorption device, and meanwhile, the photovoltaic power station on the main flow water surface is high in modularization degree and convenient to maintain and repair at the later stage.
Description
Technical Field
The invention belongs to the technical field of ocean engineering, and relates to a floating photovoltaic platform suitable for an offshore environment.
Background
Photovoltaic is a novel power generation system capable of directly converting solar energy into electric energy, and has been primarily applied in the field of new energy power generation; if the ocean is used as a carrier, the photovoltaic is arranged on the sea under certain conditions to form a floating photovoltaic array, so that the problem that the photovoltaic power station cannot be arranged on a large scale in eastern areas can be effectively solved.
The floating system is the most main component part of floating photovoltaic power plant, adopts round pontoon or square body more, and mainly used bears the gravity load that the photovoltaic board transmitted and the wave load in the marine environment, in the operation period, needs to guarantee that floating system's motion range satisfies the design requirement, avoids in other body collisions, still needs to make the net buoyancy of body satisfy the requirement in addition.
At present, the main arrangement areas of the mainstream floating photovoltaic power station are coastal mudflats, reservoirs, fish ponds and the like. The floating body of the floating photovoltaic is small in main scale, shallow in draft and lack of reserve buoyancy, and the external force borne by the floating photovoltaic is mainly flow load and wind load and is not suitable for severe offshore environment. Marine structures arranged at sea need to be considered for their ability to withstand the wind and waves. The floating photovoltaic is generally arranged in an offshore area, and although the offshore environment is not severe, in order to ensure the safety and stability of the operation of the floating photovoltaic, a novel floating photovoltaic structure form needs to be designed.
The wave-absorbing device can effectively reduce or even eliminate the influence of waves and ocean currents on the operation of the port or the offshore platform. Many scholars at home and abroad carry out a great deal of research on wave elimination modes, obtain a great deal of achievements and design some wave elimination devices. However, most of researches are based on the wave absorption device, and the research on the integration of the small ocean platform and the wave absorption device is less. The following points are combined: the floating photovoltaic system capable of safely working under the wave load is designed, and a floating photovoltaic large-scale arrangement scheme is provided for east coastal cities.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the defects in the prior art, and provides a floating photovoltaic platform suitable for an offshore environment so as to realize large-scale arrangement of floating photovoltaics on the sea.
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a floating photovoltaic platform suitable for an offshore environment,
comprises a plurality of floating boxes (1) which are uniformly distributed, a beam (6) is arranged on the outer wall of the upper end of each floating box (1),
the buoyancy tank (1) comprises an upper plate, a front plate, a rear plate and side plates at two sides, wherein the upper plate, the front plate and the rear plate are connected with the cross beam (6);
the upper ends of the side plates on the two sides are provided with grooves, and round steel tubes (2) are arranged in the grooves.
Furthermore, a photovoltaic module bottom plate is arranged at the upper ends of the two adjacent beams (6), and a plurality of photovoltaic modules (5) are uniformly distributed and arranged at the upper end of the photovoltaic module bottom plate.
Furthermore, wave-proof plates (4) are respectively arranged on the two buoyancy tanks (1) and at two ends of the two opposite round steel pipes (2), and a plurality of openings are uniformly distributed on the wave-proof plates (4);
the wave-proof plate (4) and the photovoltaic module bottom plate combine two adjacent buoyancy tanks (1) into a plurality of floating photovoltaic platforms with single modules.
Furthermore, a second link bolt (7) is respectively arranged on the outer walls of the front plate and the rear plate;
and a first linking bolt (3) is arranged on the lateral plate of the buoyancy tank (1) facing the outside and at the lower end of the round steel pipe (2).
Further, a rubber ring (8) is arranged between the first linking bolts (3) arranged on the floating photovoltaic platforms of the two single modules adjacent to each other at the left and the right,
and a rubber ring (8) is arranged between the second linking bolts (7) arranged on the floating photovoltaic platforms of the two adjacent front and back single modules.
Furthermore, the inner wall of the groove is matched with the outer wall of the round steel pipe (2), and the length of the round steel pipe (2) is longer than that of the buoyancy tank (1) provided with the groove.
Further, the height of the wave-proof plate (4) is higher than that of the buoyancy tank (1).
Has the advantages that: compared with the prior art, the invention has the characteristics that: 1. the floating photovoltaic floating system is suitable for a floating photovoltaic platform in the offshore environment, the mainstream floating photovoltaic is improved, the floating photovoltaic floating system is enlarged, the floating body devices are connected together through the steel pipes to form a floating body array, and the problems of collision, interference and the like between the floating bodies are avoided. In addition, a gap exists between the steel pipe and the floating body groove, so that the movement of the floating body in the offshore environment is ensured while the installation position of the floating body is limited, and the floating body is prevented from transmitting external force to the whole photovoltaic power station to a certain extent; 2. the wave-absorbing device is suitable for a floating photovoltaic platform in the offshore environment, integrates the wave-absorbing device and the floating photovoltaic unit (the wave-absorbing device is a wave-blocking plate with holes), increases the effects of reflection of the floating photovoltaic and incident wave flocculation, and has a better wave-absorbing effect.
Drawings
FIG. 1 is a schematic perspective view of a single module floating photovoltaic platform according to the present invention;
FIG. 2 is a side view of a single module floating photovoltaic platform of the present invention;
FIG. 3 is a schematic view of the structure of the buoyancy tank-round steel pipe in the present invention;
FIG. 4 is a schematic structural view of the wave deflector of the present invention;
FIG. 5 is a schematic view of the construction of the cross-linking member of the present invention;
FIG. 6 is a schematic view of the structure of the longitudinal connecting member of the present invention;
FIG. 7 is a schematic diagram of an array distribution of the present invention;
in the figure, 1 is a buoyancy tank, 2 is a round steel pipe, 3 is a first connecting bolt, 4 is a breakwater, 5 is a photovoltaic module, 6 is a cross beam, 7 is a second connecting bolt, and 8 is a rubber ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in the figure, the floating photovoltaic suitable for the offshore environment comprises a buoyancy tank 1, a round steel pipe 2, a connecting structure, a breakwater 4, a photovoltaic module 5, a cross beam 6 and a rubber ring 8;
the floating box 1 is arranged in an array mode to serve as a floating system to support the whole photovoltaic module 5, round steel pipes 2 and cross beams 6 on two sides of the floating box 1 form a floating photovoltaic support structure in a criss-cross mode, and 3 connecting structures are arranged on the periphery of the floating box 1;
each floating photovoltaic unit is composed of 2 buoyancy tanks 1, 4 circular steel tubes 2, 1 wave-proof plate and a photovoltaic module 5, wherein the wave-proof plate 4 is used as a wave-absorbing device and is arranged on the wave-facing surface of the buoyancy tank 1 in a bolt and nut fixing mode;
the floating photovoltaic units are flexibly connected to form a floating photovoltaic array, and are connected together by the rubber ring 8 and the connecting bolt, so that certain freedom degree can be released, and the anti-collision can be realized.
Semicircular grooves are arranged at the positions, close to the photovoltaic components 5, of the two sides of the buoyancy tank 1 of the described floating photovoltaic unit, and the circular steel tubes 2 limit the distribution positions of the buoyancy tank 1 through the circular grooves at the two sides of the buoyancy tank 1;
the semi-circular groove radius of flotation tank 1 slightly is greater than the radius of circular steel tube 2, and under the effect of wave load, flotation tank 1 can utilize and the circular steel tube 2 between the space, do local motion, avoided transmitting whole floating photovoltaic main part with wave external force.
The wave-preventing plate 4 is used as a wave-absorbing device and arranged between the buoyancy tanks 1 at the two sides, is connected with the buoyancy tanks 1 at the two sides through bolts and nuts, and is arranged on the wave-facing surface of the floating photovoltaic unit;
the breakwater 4 is provided with a plurality of holes, the breakwater 4 increases the reflection of waves by means of a self rigid structure under the action of waves and currents, and meanwhile, the holes in the breakwater 4 can achieve the effect of disorderly incident waves and have a certain wave-absorbing effect.
Examples
The embodiment is suitable for floating photovoltaics in an offshore environment, and comprises a buoyancy tank 1, a round steel pipe 2, a first connecting bolt 3, a breakwater 4, a photovoltaic module 5, a cross beam 6 and a second connecting bolt 7 as shown in fig. 1 and 2;
the circular steel tubes 2 are distributed on two sides of the buoyancy tank 1 to build a main body framework for floating photovoltaic, the photovoltaic assembly 5 is connected with the buoyancy tanks 1 on two sides through cross beams 6, the first linking bolts 3 are integrally formed with the buoyancy tanks 1 and are distributed on two sides of the buoyancy tanks 1, and the second linking bolts 7 are distributed on the side surfaces of the buoyancy tanks 1 and the cross beams 6 along the length direction and are also integrally formed with the buoyancy tanks 1;
the wave-preventing plate 4 is arranged on the wave-facing surface of the floating photovoltaic unit as a wave-absorbing device, and the feasibility of arrangement of the floating photovoltaic on the sea can be effectively ensured by combining the configuration innovation of the floating photovoltaic and the wave-absorbing device.
As shown in fig. 3, semicircular grooves are arranged at positions, close to the photovoltaic module 5, on two sides of the buoyancy tank 1, the circular steel tubes 2 limit the positions of the buoyancy tank 1 through the circular grooves on the two sides of the buoyancy tank 1, the radius of the grooves on the buoyancy tank 1 is slightly larger than that of the circular steel tubes 2, and under the action of wave load, the buoyancy tank 1 can move in six degrees of freedom through a space between the buoyancy tank and the circular steel tubes 2 under the condition that the positions of the buoyancy tank 1 are limited, so that wave external force is prevented from being transmitted to the whole floating photovoltaic main body, and the stability of the floating photovoltaic during offshore operation can be ensured to a certain extent;
as shown in fig. 4, the wave-preventing plate 4 is arranged between the buoyancy tanks 1 at both sides as a wave-absorbing device, connected with the buoyancy tanks 1 at both sides through bolts and nuts, and arranged on the wave-facing surface of the floating photovoltaic unit; the breakwater 4 is provided with a plurality of openings, the breakwater 4 increases the reflection of waves by means of a self rigid structure under the action of waves and currents, and meanwhile, the openings in the breakwater 4 can achieve the effect of disordering incident waves and have a certain wave-absorbing effect;
due to the arrangement of the wave-proof plate 4, the stress of the floating photovoltaic main body under the wave load can be increased, the restoring moment can be provided for the photovoltaic main body under the wave load, and the working stability of the whole photovoltaic power station can be guaranteed to a certain extent.
As shown in fig. 5 and 6, the first linking bolt 3 and the second linking bolt 7 are integrally formed with the buoyancy tank 1, and the two adjacent floating photovoltaic units are connected together through the rubber ring 8, the first linking bolt 3 and the second linking bolt 7 have the same structural form, that is, two protruding parts are arranged on the outer side of the buoyancy tank 1, and the protruding parts are connected through a cylindrical rod, wherein the protruding parts are formed by connecting the rubber ring 8 with members of the adjacent floating photovoltaic units; meanwhile, due to the material property of the rubber ring 8, collision between the floating photovoltaic units can be avoided to a certain extent, and the safety of the floating photovoltaic working process is ensured to the greatest extent.
As shown in fig. 7, the floating photovoltaic units of the present invention can be arranged in any number by means of the above-mentioned connection manner, and the floating photovoltaic units are arranged by self-definition according to the relevant specifications established by the floating photovoltaic power station, so as to meet the relevant design specifications.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. A floating photovoltaic platform suitable for offshore environment is characterized in that,
comprises a plurality of floating boxes (1) which are uniformly distributed, a beam (6) is arranged on the outer wall of the upper end of each floating box (1),
the buoyancy tank (1) comprises an upper plate, a front plate, a rear plate and side plates at two sides, wherein the upper plate, the front plate and the rear plate are connected with the cross beam (6);
the upper ends of the side plates on the two sides are provided with grooves, and round steel tubes (2) are arranged in the grooves.
2. The floating photovoltaic platform adapted for use in an offshore environment of claim 1,
a photovoltaic module bottom plate is arranged at the upper ends of two adjacent beams (6), and a plurality of photovoltaic modules (5) are uniformly distributed and arranged at the upper end of the photovoltaic module bottom plate.
3. A floating photovoltaic platform adapted for use in an offshore environment, according to claim 1 or 2,
the two ends of the two opposite round steel tubes (2) on the two buoyancy tanks (1) are respectively provided with a breakwater (4), and the breakwater (4) is uniformly provided with a plurality of holes;
the wave-proof plate (4) and the photovoltaic module bottom plate combine two adjacent buoyancy tanks (1) into a plurality of floating photovoltaic platforms with single modules.
4. The floating photovoltaic platform adapted for use in an offshore environment of claim 1,
a second link bolt (7) is respectively arranged on the outer walls of the front plate and the rear plate;
and a first linking bolt (3) is arranged on the lateral plate of the buoyancy tank (1) facing the outside and at the lower end of the round steel pipe (2).
5. A floating photovoltaic platform adapted for use in an offshore environment, according to claim 3 or 4,
a rubber ring (8) is arranged between the first linking bolts (3) arranged on the floating photovoltaic platforms of the two adjacent single modules at the left and the right,
and a rubber ring (8) is arranged between the second linking bolts (7) arranged on the floating photovoltaic platforms of the two adjacent front and back single modules.
6. A floating photovoltaic platform adapted for use in an offshore environment, according to claim 1, characterized in that the inner wall of the recess is adapted to the outer wall of a circular steel pipe (2), the length of the circular steel pipe (2) being longer than the length of the recessed buoyancy tank (1).
7. A floating photovoltaic platform adapted for use in an offshore environment, according to claim 3,
the height of the wave-proof plate (4) is higher than that of the buoyancy tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210426125.5A CN114872845A (en) | 2022-04-22 | 2022-04-22 | Floating photovoltaic platform suitable for marine environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210426125.5A CN114872845A (en) | 2022-04-22 | 2022-04-22 | Floating photovoltaic platform suitable for marine environment |
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| CN114872845A true CN114872845A (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210426125.5A Pending CN114872845A (en) | 2022-04-22 | 2022-04-22 | Floating photovoltaic platform suitable for marine environment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117068335A (en) * | 2023-10-17 | 2023-11-17 | 山东省海洋资源与环境研究院(山东省海洋环境监测中心、山东省水产品质量检验中心) | Wind wave resistant floating type offshore photovoltaic device |
| WO2024037270A1 (en) * | 2022-08-17 | 2024-02-22 | 百奥源环境科技(浙江)有限公司 | Wave-resistant photovoltaic floating body used in water body environment, and mounting method |
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| CN117068335A (en) * | 2023-10-17 | 2023-11-17 | 山东省海洋资源与环境研究院(山东省海洋环境监测中心、山东省水产品质量检验中心) | Wind wave resistant floating type offshore photovoltaic device |
| CN117068335B (en) * | 2023-10-17 | 2024-01-09 | 山东省海洋资源与环境研究院(山东省海洋环境监测中心、山东省水产品质量检验中心) | Wind wave resistant floating type offshore photovoltaic device |
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Application publication date: 20220809 |