CN221393946U - Tension mooring floating type offshore photovoltaic structure - Google Patents
Tension mooring floating type offshore photovoltaic structure Download PDFInfo
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- CN221393946U CN221393946U CN202323441336.5U CN202323441336U CN221393946U CN 221393946 U CN221393946 U CN 221393946U CN 202323441336 U CN202323441336 U CN 202323441336U CN 221393946 U CN221393946 U CN 221393946U
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- steel truss
- truss structure
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- 238000007667 floating Methods 0.000 title claims abstract description 86
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000000835 fiber Substances 0.000 claims description 7
- 238000010248 power generation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material 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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Abstract
The utility model provides a tension mooring floating type offshore photovoltaic structure, which comprises a steel truss structure capable of floating on the water surface, wherein a floating body is arranged at the bottom of the steel truss structure, a chain stopper is arranged on a shell of the floating body, a cavity is formed inside the floating body, the chain stopper is connected through a tension mooring cable matched with a pile anchor, so that the floating body is completely immersed in water in an in-place state, a water passing space is arranged in the middle area of the floating body, and the outer surface of the floating body presents a smooth transitional curved surface part; the upper layer of the steel truss structure is provided with a platform part for installing a photovoltaic module. The floating type offshore photovoltaic structure provides main buoyancy of a floating foundation through the floating body which is fully immersed under water, so that the wave load bearing area of the structure is small, the movement amplitude in the waves is small, the stable operation of the structure can be ensured, the power generation efficiency is ensured, and meanwhile, the failure risk of the structure is reduced.
Description
Technical Field
The utility model relates to the technical field of offshore photovoltaic power generation, in particular to a tension mooring floating type offshore photovoltaic structure.
Background
With the continuous development of economy, the demand for energy, particularly clean energy, is increasing. However, land photovoltaic power stations occupy a large amount of land resources, which results in land resource waste, and the availability of land water space is very limited. At present, the development of the floating type photovoltaic on the sea at home and abroad is in the early development stage, but the target sea area aimed at by the floating type photovoltaic is mainly the coastal beach area or the promontory bay area. However, for floating photovoltaic development in open sea areas, the overall weight and size of the floating photovoltaic structure are small, and the floating photovoltaic structure is difficult to maintain enough strength and stability under severe sea conditions and is extremely easy to topple, so that the stability of the overall structure is seriously affected.
Disclosure of utility model
The utility model aims to provide a floating type offshore photovoltaic structure which has stronger wind and wave resistance and can improve the structural reliability.
For this purpose, the utility model adopts the following technical scheme:
The utility model provides a tensioning mooring floating type offshore photovoltaic structure, includes the steel truss structure that can float on the surface of water, steel truss structure's bottom is provided with the body, the body is provided with the chain stopper on its shell, the body is inside to form the cavity, the chain stopper is connected through the tensioning mooring cable that cooperates with the stake anchor to make the body fully submerge under water when in place, the middle zone of body is equipped with the water space, and the body outward appearance is smooth transitional curved surface portion, so that the steady state operation of anti-load is formed to the floating foundation; the upper layer of the steel truss structure is provided with a platform part for installing the photovoltaic module, and the lower layer of the steel truss structure is provided with a supporting leg part connected with the upper edge of the floating body.
Further: the floating body is internally provided with a framework.
Further: the floating body is provided with a water inlet and exhaust part communicated with the cavity on the shell of the floating body so as to pressurize the floating body to carry water or discharge the water through a temporary water pump and an air pump.
Further: the steel truss structures are connected by seamless steel pipes so that they integrally form a space truss.
Further: the steel truss structure is characterized in that purlines with mounting holes are arranged at the top of the platform part and used for paving photovoltaic modules.
Further: the steel truss structure is characterized in that the leg parts of the steel truss structure are connected with support rods which are arranged in a staggered and crisscross mode.
Further: the mooring rope upper section is provided with an anchor chain connected with the chain stopper, the mooring rope lower section is provided with a steel cable or a fiber rope connected with the pile anchor, and two ends of the steel cable or the fiber rope are provided with connecting pieces.
Further: the outer side wall body of the pile anchor is provided with a wing plate, and a through hole cavity is formed in the wing plate.
Compared with the prior art, the utility model has the following beneficial effects:
The floating type offshore photovoltaic structure provides main buoyancy of a floating foundation through the floating body which is fully immersed under water, so that the wave load bearing area of the structure is small, the movement amplitude in the waves is small, the stable operation of the structure can be ensured, the power generation efficiency is ensured, and meanwhile, the failure risk of the structure is reduced. The structure can be suitable for sea areas with large water depths, simplifies construction procedures, reduces construction cost and shortens construction period.
Drawings
FIG. 1 is a schematic view of the overall structure of a floating photovoltaic structure of the present utility model;
FIG. 2 is a schematic view of the structure of the floating body housing of the present utility model;
FIG. 3 is a schematic view of the structure of the internal skeleton of the floating body of the present utility model;
FIG. 4 is a schematic view of the structure of the steel truss of the utility model;
FIG. 5 is a schematic illustration of the structure of a mooring line of the present utility model;
FIG. 6 is a schematic view of the construction of the pile anchor according to the present utility model;
Fig. 7 is a top view of the pile anchor of the present utility model.
The marks in the drawings are: 1-a floating body; 11-a housing; 12-skeleton; 13-chain stopper; 14-a water inlet and exhaust part; 2-steel truss structure; 21-supporting rods; 22-purlin; 3-mooring a cable; 31-anchor chain; 32-steel cables or fiber ropes; 33-a connector; 4-pile anchors; 41-wing plates; 42-ribbed plates; 5-photovoltaic module.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
As shown in fig. 1-7, a tension mooring floating type offshore photovoltaic structure comprises a steel truss structure 2 capable of floating on the water surface, wherein a floating body 1 is arranged at the bottom of the steel truss structure 2, a chain stopper 13 is arranged on a shell 11 of the floating body 1, a cavity is formed inside the floating body 1, the chain stopper 13 is connected through a tension mooring cable 3 matched with a pile anchor 4, so that the floating body 1 is completely immersed under the water in a position state, and a tension detection sensor is arranged in the chain stopper 13; the middle area of the floating body 1 is provided with a water passing space, and the outer surface of the floating body 1 presents a smooth transitional curved surface part, so that a floating foundation forms load-resistant steady-state operation; the upper layer of the steel truss structure 2 is provided with a platform part for installing the photovoltaic module 5, and the lower layer of the steel truss structure 2 is provided with a supporting leg part connected with the upper edge of the floating body 1.
As shown in fig. 1 to 3, in this embodiment, the floating body 1 has a circular ring structure, and the wave and flow loads applied to the whole body are small by the curved surface portion.
As shown in fig. 3, the skeleton 12 is arranged inside the floating body 1, so that the floating body structure is supported and reinforced, and the whole floating body 1 has enough strength and rigidity. In this embodiment, the skeleton 12 is formed in an annular arrangement structure by a plurality of annular frames, and annular sleeves for simultaneously connecting all the annular frames at the section are arranged at equal intervals in the circumferential direction of the skeleton 12.
As shown in fig. 2, the floating body 1 is provided with a water inlet and outlet portion 14 communicating with the cavity in its outer case 11, and is divided into a water inlet hole and an air outlet hole so that the floating body 1 can be pressurized with water or discharged with ballast by a temporary water pump or an air pump.
As shown in fig. 1 and 4, the steel truss structure 2 adopts a small-diameter seamless steel pipe welded to form a supporting structure of the space truss, and has the advantages of simple manufacture and light weight, and can reduce the steel consumption of the supporting structure compared with the existing floating foundation.
In this embodiment, the upper layer platform part of the steel truss structure 2 is a triangular stable structure composed of steel pipes, and the steel truss structure 2 is provided with purlines 22 with mounting holes at the top of the platform part for laying the photovoltaic modules 5. The steel truss structure 2 is provided with the support bars 21 in a staggered manner on the leg portions thereof, so as to structurally reinforce the steel truss structure 2.
As shown in fig. 1 and 5-6, there is also provided in this embodiment a tension mooring system wherein a plurality of mooring lines connect a floating body to an anchor foundation to effect structural positioning. The present embodiment uses a tension mooring system that uses less sea area than a catenary mooring system.
As shown in fig. 5, the upper section of the mooring rope 3 is provided with an anchor chain 31 connected with the chain stopper 13, so as to adjust the length of the mooring line; the lower section of the mooring rope 3 is provided with a steel cable or a fiber rope 32 connected with the pile anchor 4, so that the required tension force for mooring can be met, the steel consumption is reduced, and two ends of the steel cable or the fiber rope 32 are provided with connecting pieces 33. During installation, the anchor chain 31 is retracted to enable the whole body to generate pitching or tilting so as to adjust the inclination angle of the photovoltaic panel according to different latitude areas and enable the generated energy to be optimal.
As shown in fig. 6, a box-shaped wing plate 41 is welded on the outer side wall of the pile anchor 4, a through hole cavity is formed in the wing plate 41, and a ribbed plate 42 can be arranged in the through hole cavity. The friction area with the soil body can be effectively increased through the wing plates 41, and the side friction resistance can be increased.
Referring to fig. 1-7, when the floating offshore photovoltaic structure is constructed, the specific steps are as follows:
S1: the construction of the floating body 1 and the steel truss 2 is completed in a near-shore steel structure processing plant, and the land assembly is carried out, and meanwhile, the manufacture of the mooring rope 3 and the pile anchor 4 is also required to be completed; the assembly of the main structure and the installation and debugging of the upper photovoltaic module 5 equipment are completed in a yard of a processing plant, so that the post offshore operation time can be effectively reduced, the construction period is shortened, and the offshore construction operation efficiency is improved by adopting an overall land assembly mode;
S2: the construction of the mooring rope 3 and the pile anchor 4 is carried out in advance on the installation sea area, the pile anchor 4 and the mooring rope 3 are connected on the construction ship, the pile anchor 4 is installed and constructed by the piling ship, and the connection of the mooring rope 3 and the anchor buoy on the anchoring device is completed;
S3: hoisting the floating foundation to a deck barge through small hoisting equipment, and hoisting the floating foundation to a designated sea area by using hoisting ship equipment after transporting the floating foundation in place, wherein the floating foundation is light in weight and moderate in scale, and a large barge and a hoisting ship are not required to be dispatched;
S4: after the floating foundation is transported to the installation position, a temporary water pump is adopted to pump ballast water into the cavity in the floating body 1 through the water inlet and exhaust part 14, so that the floating body 1 sinks, and balance is assisted through a floating crane;
S5: after the floating body 1 is sunk to a designated position, connecting a mooring rope 3, connecting the mooring rope 3 through an underwater robot, driving compressed air into the floating body 1 through the water inlet and outlet part 14 by a temporary air pump, emptying ballast water in an internal cavity, and closing the water inlet and outlet part 14;
S6: the mooring rope 3 is tensioned under the buoyancy action of the floating body 1, and the length of the mooring rope 3 at the chain stopper 13 is adjusted through the floating crane, so that the mooring rope 3 meets the pretension requirement, and the installation of the integral structure is completed.
The above embodiment is only one preferred technical solution of the present utility model, and it should be understood by those skilled in the art that modifications and substitutions can be made to the technical solution or parameters in the embodiment without departing from the principle and essence of the present utility model, and all the modifications and substitutions are covered in the protection scope of the present utility model.
Claims (8)
1. A tension mooring floating offshore photovoltaic structure, characterized in that: the floating body comprises a steel truss structure (2) capable of floating on the water surface, wherein a floating body (1) is arranged at the bottom of the steel truss structure (2), a chain stopper (13) is arranged on a shell (11) of the floating body (1), a cavity is formed in the floating body (1), the chain stopper (13) is connected through a tensioning mooring cable (3) matched with a pile anchor (4), so that the floating body (1) is completely immersed under the water in a position state, a water passing space is arranged in the middle area of the floating body (1), and the outer surface of the floating body (1) is a smooth transitional curved surface part; the upper layer of the steel truss structure (2) is provided with a platform part for installing the photovoltaic module (5), and the lower layer of the steel truss structure (2) is provided with a supporting leg part connected with the upper edge of the floating body (1).
2. A tension mooring floating offshore photovoltaic structure according to claim 1, wherein: the floating body (1) is internally provided with a framework (12).
3. A tension mooring floating offshore photovoltaic structure according to claim 1, wherein: the floating body (1) is provided with a water inlet and exhaust part (14) communicated with the cavity on the outer shell (11) thereof so as to pressurize the floating body (1) by a temporary water pump and an air pump or discharge the water.
4. A tension mooring floating offshore photovoltaic structure according to claim 1, wherein: the steel truss structure (2) is connected through seamless steel pipes so that the whole steel truss structure forms a space truss.
5. A tension mooring floating offshore photovoltaic structure according to claim 1 or 4, characterized in that: the steel truss structure (2) is provided with purlines (22) with mounting holes at the top of the platform part and is used for paving the photovoltaic modules (5).
6. A tension mooring floating offshore photovoltaic structure according to claim 1 or 4, characterized in that: the steel truss structure (2) is characterized in that the support rods (21) which are crisscross and criss-cross are connected and arranged on the leg parts of the steel truss structure.
7. A tension mooring floating offshore photovoltaic structure according to claim 1, wherein: the upper section of the mooring rope (3) is provided with an anchor chain (31) connected with the chain stopper (13), the lower section of the mooring rope (3) is provided with a steel cable or a fiber rope (32) connected with the pile anchor (4), and two ends of the steel cable or the fiber rope (32) are provided with connecting pieces (33).
8. A tension mooring floating offshore photovoltaic structure according to claim 1, wherein: the pile anchor is characterized in that a wing plate (41) is arranged on the outer side wall body of the pile anchor (4), and a through hole cavity is formed in the wing plate (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323441336.5U CN221393946U (en) | 2023-12-15 | 2023-12-15 | Tension mooring floating type offshore photovoltaic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323441336.5U CN221393946U (en) | 2023-12-15 | 2023-12-15 | Tension mooring floating type offshore photovoltaic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221393946U true CN221393946U (en) | 2024-07-23 |
Family
ID=91930710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323441336.5U Active CN221393946U (en) | 2023-12-15 | 2023-12-15 | Tension mooring floating type offshore photovoltaic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221393946U (en) |
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2023
- 2023-12-15 CN CN202323441336.5U patent/CN221393946U/en active Active
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