CN116208075A - Modularized offshore photovoltaic platform, photovoltaic array and application - Google Patents
Modularized offshore photovoltaic platform, photovoltaic array and application Download PDFInfo
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- CN116208075A CN116208075A CN202211717791.0A CN202211717791A CN116208075A CN 116208075 A CN116208075 A CN 116208075A CN 202211717791 A CN202211717791 A CN 202211717791A CN 116208075 A CN116208075 A CN 116208075A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000013016 damping Methods 0.000 claims description 12
- 238000005188 flotation Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 238000010248 power generation Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 7
- 238000011161 development Methods 0.000 description 5
- 238000007667 floating Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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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
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/425—Horizontal axis
-
- 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
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/10—Frame structures
-
- 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
-
- 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)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Development (AREA)
- Thermal Sciences (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model belongs to the technical field of offshore photovoltaic power generation, and discloses a modularized offshore photovoltaic platform, a photovoltaic array and application thereof. A plurality of modularized offshore photovoltaic platforms are connected with the female head of the hinged connector in a hinged manner through the male head of the hinged connector to form a photovoltaic array. The utility model can be applied to the sea area with the water depth of more than 10m, capture the offshore photovoltaic resource and convert the offshore solar energy into electric energy.
Description
Technical Field
The utility model belongs to the technical field of offshore photovoltaic power generation, and particularly relates to a modularized offshore photovoltaic platform, a photovoltaic array and application.
Background
Offshore photovoltaic power generation is a new energy utilization mode and resource development mode. Compared with the land photovoltaic, the sea surface is wide and free of shielding, the sunlight time is longer, the light energy is fully utilized, the environmental advantage is unique, and the generating capacity can be remarkably improved. The ocean area of China is about 300 ten thousand square kilometers, the offshore photovoltaic resources are rich, and the development potential is huge. According to theoretical research, the area of the sea area where offshore photovoltaics can be installed in China is about 71 ten thousand square kilometers. The offshore photovoltaic installation can be installed on a scale exceeding 70GW, estimated in a ratio of 1/1000.
At present, the offshore photovoltaic project of large-scale construction is mostly in a tidal flat or intertidal zone area close to the offshore, and mainly comprises a fixed pile foundation. However, as the water depth deepens after offshore, the fixed pile length must rapidly increase, and the offshore construction difficulty and pile foundation cost will rapidly increase. In the long term, the application range of the fixed pile foundation type offshore photovoltaic is limited, and the future large-scale development of offshore photovoltaic inevitably adopts a floating scheme. However, there are occasionally so-called offshore floating cases by individual manufacturers, mainly offshore approaching the shore, where wind, waves, currents approach inland lakes, and are quite different from real floating projects on the sea, and are not suitable for deep-open sea areas. In addition, future large-scale development of offshore photovoltaics necessarily adopts a modular platform scheme. However, current modular platform solutions have poor adaptability to wave direction. As disclosed in chinese patent No. CN216994784U, an offshore photovoltaic platform is formed by connecting adjacent photovoltaic support devices through flexible hinges, but the length direction of the photovoltaic support device is perpendicular to the ocean wave, and only can bear unidirectional wave load. For waves in other directions, the hinged connection between different photovoltaic supports cannot play a role in unloading, and a large mid-span bending moment is formed inside the whole photovoltaic platform, so that the safety of the platform is compromised. The development of offshore photovoltaic needs a novel floating body scheme which is safe and reliable, low in cost and capable of being developed in a large scale.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a modularized offshore photovoltaic platform, a photovoltaic array and application, and solves the problem that the offshore photovoltaic platform in the prior art can only bear unidirectional wave load and is high in safety.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme: the utility model provides a marine photovoltaic platform of modularization, includes 3 flotation pontoons, and 3 flotation pontoons are equilateral triangle and arrange, are equipped with many support columns on the flotation pontoon, are equipped with 3 end to end's frame girder on the support column, are equipped with many frame secondary beam on the frame girder, and the interval is equipped with the photovoltaic support on the frame secondary beam, is equipped with the photovoltaic board on two adjacent frame secondary beams, and on the frame secondary beam was located to photovoltaic board one end, the photovoltaic board other end was located on the photovoltaic support.
Preferably, the plurality of frame secondary beams are arranged on the frame main beam at intervals in parallel;
the outer side surface of the pontoon is provided with a female connector and a male connector.
Preferably, a damping pool is arranged in the pontoon, the pontoon is shaped like a diamond hexagon or a regular hexagon, and the damping pool is shaped like any one of a regular quadrangle, a regular pentagon and a regular hexagon.
Preferably, the installation angle between the other end of the photovoltaic panel and the photovoltaic bracket is more than 5 degrees and less than 30 degrees.
Preferably, the male head of the hinged connector consists of a double-pin lug and a hinged limiter, and the hinged limiter is arranged on the double-pin lug.
Preferably, the female head of the hinged connector consists of a single pin lug and a pin shaft, and the male head of the hinged connector and the female head of the hinged connector are connected through the pin shaft penetrating through the single pin lug and the double pin lug.
Preferably, the height of the support posts is at least greater than 0.5m.
Preferably, mooring lines are arranged on the pontoons.
The utility model also discloses a photovoltaic array, and a plurality of modularized offshore photovoltaic platforms are hinged with the female head of the hinged connector through the male head of the hinged connector to form the photovoltaic array.
The utility model also discloses a modularized offshore photovoltaic platform applied to the sea area with the water depth of more than 10 m.
Compared with the prior art, the utility model has the following beneficial effects: the whole modularized offshore photovoltaic platform is in an equilateral triangle, and one pontoon is respectively arranged at three vertexes of the equilateral triangle. A modularized offshore photovoltaic platform adopts equilateral triangle arrangement, facilitates modularized connection, and is provided with a plurality of support columns on pontoons, wherein the support columns are used for supporting frame girders. The supporting upright post can reduce the dry height of the modularized offshore photovoltaic platform, and the reduction of the dry height of the modularized offshore photovoltaic platform is beneficial to further reducing the manufacturing cost of the platform. The deck can be allowed to ascend under extreme sea conditions, waves can not strike the photovoltaic panel, and the photovoltaic panel can still work normally. The array formed by the equilateral triangle modularized offshore photovoltaic platforms can enable the photovoltaic array to adapt to waves in all directions, and the phenomenon of hinge locking can not be formed, so that the modularized arrangement of the modularized offshore photovoltaic platforms is facilitated. The utility model can meet the stability requirement under extreme conditions.
Further, a damping pool is arranged in the pontoon, and the existence of the damping pool reduces the steel consumption or the concrete consumption of the platform and reduces the construction cost; on the other hand, the existence of the damping pool increases the additional damping of the modularized offshore photovoltaic platform and improves the motion performance of the modularized offshore photovoltaic platform. The appearance of the pontoon presents a diamond-shaped hexagon or a regular hexagon, so that sharp angles at the outer edge of the pontoon are avoided, and the sharp angles at the edge of the pontoon can be prevented from being damaged due to collision. The damping pool is in any one of regular quadrangle, regular pentagon and regular hexagon, so that an acute angle is avoided, the acute angle is difficult to operate in internal processing, the inner wall of the damping pool is convenient to process and manufacture, and meanwhile, the construction cost is reduced.
Further, the installation angle of the other end of the photovoltaic plate and the photovoltaic support is larger than 5 degrees and smaller than 30 degrees, the self-cleaning capacity of the modularized offshore photovoltaic platform is improved, and meanwhile, the marine bird feces can slide down from the photovoltaic plate through a certain inclination angle.
Further, the arrangement of the male connector and the female connector of the hinged connector enables the connection to be more convenient when the modularized offshore photovoltaic platform forms a photovoltaic array.
Further, the supporting upright post has a certain height, so that waves can be prevented from slamming or splashing on the photovoltaic panel.
Further, the pontoon is moored to the seabed by mooring lines, so that a modular offshore photovoltaic platform can be fixed on the sea surface to prevent flushing away by waves.
The utility model can be applied to the sea area with the water depth of more than 10m, capture the offshore photovoltaic resource and convert the offshore solar energy into electric energy.
Drawings
FIG. 1 is a three-dimensional view of a modular offshore photovoltaic platform;
FIG. 2 is a schematic structural view of a modular offshore photovoltaic platform;
FIG. 3 is an enlarged view of a photovoltaic panel;
FIG. 4 is an enlarged view of the pontoon;
FIG. 5 is a schematic diagram of the architecture of embodiment 1;
FIG. 6 is a schematic diagram of the architecture of embodiment 2;
wherein: 1-a photovoltaic panel; 2-mooring lines; 3-supporting columns; 4-articulating the connector female; 5-articulating the connector male; 6-photovoltaic brackets; 7-a frame girder; 8-a damping pool; 9-floating pontoon; 10-frame secondary beams; 11-double pin ears; 12-hinging a limiter; 13-single pin ears; 14-pin shaft.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The utility model is described in further detail below with reference to the attached drawing figures:
referring to fig. 1, a modularized offshore photovoltaic platform comprises 3 pontoons 9, wherein the 3 pontoons 9 are arranged in an equilateral triangle, a plurality of support columns 3 are arranged on the pontoons 9,3 frame main beams 7 connected end to end are arranged on the support columns 3, referring to fig. 3, a plurality of parallel spaced frame sub-beams 10 are arranged on the frame main beams 7, photovoltaic supports 6 are arranged on the frame sub-beams 10 at intervals, photovoltaic panels 1 are arranged on two adjacent frame sub-beams 10, one ends of the photovoltaic panels 1 are arranged on the frame sub-beams 10, and the other ends of the photovoltaic panels 1 are arranged on the photovoltaic supports 6.
Referring to fig. 2, the outer side surface of the pontoon 9 is provided with a female connector 4 and a male connector 5, referring to fig. 4, the male connector 5 is composed of a double-pin ear 11 and a hinge limiter 12, the hinge limiter 12 is arranged on the double-pin ear 11, the female connector 4 is composed of a single-pin ear 13 and a pin shaft 14, and the male connector 5 and the female connector 4 are connected through the pin shaft 14 penetrating through the single-pin ear 13 and the double-pin ear 11.
The pontoon 9 may be made of reinforced concrete or welded from steel structures. A plurality of supporting upright posts 3 are welded or pre-buried on the upper surface of the pontoon 9. Any one of regular quadrangle, regular pentagon and regular hexagon is arranged in the pontoon 9, and the hole is the damping pool 8.
The installation angle of the other end of the photovoltaic panel 1 and the photovoltaic bracket 6 is larger than 5 degrees and smaller than 30 degrees, the self-cleaning capacity of the modularized offshore photovoltaic platform is improved, and meanwhile, the sea bird feces can slide down from the photovoltaic panel through a certain inclination angle.
The height of the photovoltaic bracket is related to the geographical position of the sea area where the photovoltaic platform is arranged, and the proper height of the photovoltaic bracket can maximize the generated energy. The appropriate height of the photovoltaic bracket is determined according to the optimal tilt angle. The optimum tilt angle maximizes the total annual radiation received by the photovoltaic panel at the tilted surface under the tilt angle. The calculation of the optimal tilt angle requires local latitude and longitude to determine the altitude and azimuth angle of the sun at each moment in time, and annual radiation data, preferably years of average annual radiation data, is required to determine the characteristics of the local solar radiation. And calculating and accumulating the annual total radiation receiving amounts of the photovoltaic square matrixes with different inclination angles according to the radiation data and the longitude and latitude, and selecting the inclination angle with the maximum annual total radiation amount as the optimal inclination angle. And the optimal inclination angle calculation is conveniently and rapidly carried out by adopting PVsyst and other software.
Example 1
Referring to fig. 5, four modularized offshore photovoltaic platforms are connected through hinged connectors to form an equilateral triangle photovoltaic array, and the hinged connectors release the rotation constraint of one modularized offshore photovoltaic platform along one side of the platform, so that two adjacent modularized offshore photovoltaic platforms can rotate relatively, bending moment loads are released, the requirement on structural strength is reduced, and the purpose of reducing the manufacturing cost of the modularized offshore photovoltaic platforms is achieved. The hinge limiter can limit the rotation of the pin shaft within the range of <20 degrees, so that the modularized offshore photovoltaic platform can be prevented from being largely rotated to collide under extreme sea conditions. The array formed by the equilateral triangle modularized offshore photovoltaic platforms can enable the photovoltaic array to adapt to waves in all directions, and the phenomenon of hinge locking can not be formed, so that the array arrangement of the modularized offshore photovoltaic platforms is facilitated.
Example 2
Six modularized offshore photovoltaic platforms are connected through hinged connectors to form a regular hexagonal photovoltaic array, see fig. 6, the modularized offshore photovoltaic platforms are floated on the sea, and the modularized offshore photovoltaic platforms are moored on the seabed through mooring ropes 2.
The above is only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the claims of the present utility model.
Claims (10)
1. The utility model provides a modularization marine photovoltaic platform, a serial communication port, including 3 flotation pontoons (9), 3 flotation pontoons (9) are equilateral triangle and arrange, be equipped with many support columns (3) on flotation pontoon (9), be equipped with 3 end to end's frame girder (7) on support column (3), be equipped with many frame secondary beam (10) on frame girder (7), the interval is equipped with photovoltaic support (6) on frame secondary beam (10), be equipped with photovoltaic board (1) on two adjacent frame secondary beams (10), on frame secondary beam (10) are located to photovoltaic board (1) one end, photovoltaic board (1) other end is located on photovoltaic support (6).
2. A modular offshore photovoltaic platform according to claim 1, characterized in that the plurality of frame secondary beams (10) are arranged in parallel spaced apart relationship on the frame primary beams (7);
the outer side surface of the pontoon (9) is provided with a hinged connector female head (4) and a hinged connector male head (5).
3. The modularized offshore photovoltaic platform according to claim 1, wherein a damping pool (8) is arranged inside the pontoon (9), the pontoon (9) is shaped like a diamond hexagon or a regular hexagon, and the damping pool (8) is shaped like any one of a regular quadrilateral, a regular pentagon and a regular hexagon.
4. A modular offshore photovoltaic platform according to claim 1, characterized in that the installation angle of the other end of the photovoltaic panel (1) with the photovoltaic bracket (6) is more than 5 ° and less than 30 °.
5. A modular offshore photovoltaic platform according to claim 1, characterized in that the male connector (5) consists of a double pin ear (11) and a hinge limiter (12), the hinge limiter (12) being arranged on the double pin ear (11).
6. A modular offshore photovoltaic platform according to claim 5, characterized in that the female connector (4) consists of a single pin (13) and a pin (14), and the male connector (5) is connected to the female connector (4) by means of the pin (14) through the single pin (13) and the double pin (11).
7. A modular offshore photovoltaic platform according to claim 1, characterized in that the height of the support uprights (3) is at least greater than 0.5m.
8. A modular offshore photovoltaic platform according to claim 1, characterized in that mooring lines (2) are provided on the pontoons (9).
9. A photovoltaic array, wherein a plurality of modular offshore photovoltaic platforms according to any of claims 1-8 are hinged to a female connector (4) via a male connector (5) to form the photovoltaic array.
10. A modularized offshore photovoltaic platform is applied to a sea area with a water depth of more than 10 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211717791.0A CN116208075A (en) | 2022-12-29 | 2022-12-29 | Modularized offshore photovoltaic platform, photovoltaic array and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211717791.0A CN116208075A (en) | 2022-12-29 | 2022-12-29 | Modularized offshore photovoltaic platform, photovoltaic array and application |
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| Publication Number | Publication Date |
|---|---|
| CN116208075A true CN116208075A (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211717791.0A Pending CN116208075A (en) | 2022-12-29 | 2022-12-29 | Modularized offshore photovoltaic platform, photovoltaic array and application |
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| Country | Link |
|---|---|
| CN (1) | CN116208075A (en) |
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- 2022-12-29 CN CN202211717791.0A patent/CN116208075A/en active Pending
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