CN117622399A - Photovoltaic floating body used in wave-resistant water body environment and installation method - Google Patents
Photovoltaic floating body used in wave-resistant water body environment and installation method Download PDFInfo
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- CN117622399A CN117622399A CN202210989005.6A CN202210989005A CN117622399A CN 117622399 A CN117622399 A CN 117622399A CN 202210989005 A CN202210989005 A CN 202210989005A CN 117622399 A CN117622399 A CN 117622399A
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- 238000007667 floating Methods 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 70
- 238000009434 installation Methods 0.000 title description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 239000000969 carrier Substances 0.000 claims description 23
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- 239000010935 stainless steel Substances 0.000 claims description 15
- 230000001154 acute effect Effects 0.000 claims description 2
- 239000013505 freshwater Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 244000302661 Phyllostachys pubescens Species 0.000 description 1
- 235000003570 Phyllostachys pubescens Nutrition 0.000 description 1
- 108010081750 Reticulin Proteins 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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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
-
- 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
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
-
- 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
-
- 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)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a photovoltaic floating body used in a wave-resistant water body environment, which comprises a photovoltaic carrier and a photovoltaic assembly, wherein the photovoltaic carrier comprises an upper part (1) and a lower part (2) which are integrally formed, the length and the width of the upper part (1) are smaller than those of the lower part (2), the lower part (2) is flat, is of a floating body structure, and a hollow part (3) is arranged in the middle part of the lower part (2). After the photovoltaic module and the photovoltaic carrier are spliced into a closed structure in a salt water environment, the hollow part (3) is equivalent to a sucker, so that gas below the photovoltaic module is sealed by a water surface, the photovoltaic floating body is attached to the water surface like the sucker under the combined action of buoyancy and atmospheric pressure, and the wind and wave resistance of the photovoltaic floating body is effectively improved under the combined action of buoyancy and suction. In the fresh water environment, four holes are formed in the upper layer of the floating body, a photovoltaic module support can be installed on the photovoltaic module support, and the inclination angle of the photovoltaic module is changed through the length of the module support. All the photovoltaic floating body units are connected through the steel wire rope, when encountering stormy waves, the floating body units can rotate around the steel wire rope within a certain range, so that the water flow impact is reduced, the service life of the photovoltaic floating body is prolonged, and the photovoltaic floating body is convenient to install and detach, time-saving and labor-saving and has good application prospects.
Description
Technical Field
The invention relates to the field of offshore photovoltaics, in particular to a photovoltaic floating body used in a wave-resistant water body environment and an installation method.
Background
With the development of photovoltaic technology, photovoltaic has been applied in various fields in large scale as a system. With the increasing prominence of environmental protection problems brought to petroleum and petrochemical industry, the problem of cleaning green energy is getting more and more important.
With the global development of the photovoltaic industry, photovoltaic has been deployed in various areas, particularly in areas where the cost of land is low. Such as northwest, inland lakes, etc. The floating type photovoltaic on water is one of the floating type photovoltaic on water, does not occupy land resources and can not be shielded by obstacles, and has the advantages of high power generation, high productivity and easiness in combination of other industries. At present, floating photovoltaic on water is applied to large reservoirs, lakes, fishponds and the like in China on a large scale.
At present, floating type photovoltaic applied to a large fresh water reservoir adopts a multi-floating body splicing mode, namely a photovoltaic module needs a plurality of photovoltaic carriers. The photovoltaic modules are connected through plastic modules among the floating bodies. This connection has problems, such as high strength requirements of the connectable element after the connection is broken,
at present, the ocean has a wide area, is far larger than the sum of the areas of the land, and has rich development space. But the frequency and intensity of the stormy waves in the ocean are greater than those in inland regions. The buoyancy and the structural strength of the general photovoltaic carrier are not satisfied with the use condition and are easy to damage and cannot work under the influence of the sea stormy waves, so that the loss in the aspect of finance is caused. Based on the problems, the invention also designs a floating type photovoltaic carrier for a salt water environment, so as to solve the problems and make up for the short plates of the ocean floating type photovoltaic.
Disclosure of Invention
Based on the technical background, the inventor provides a photovoltaic floating body used in a wave-resistant water body environment, the photovoltaic floating body comprises a photovoltaic carrier and a photovoltaic component, the photovoltaic component is installed in the photovoltaic carrier in a horizontal embedding mode, the photovoltaic carrier comprises an upper layer component and a lower layer component which are integrally formed, the length and the width of the upper layer component are smaller than those of the lower layer component, the lower layer component is of a floating body structure and is flat, the upper layer component is used for installing the photovoltaic component, a hollow part is arranged in the middle part of the lower layer component and is equivalent to a sucker, a closed structure is formed after the photovoltaic component is installed on the photovoltaic carrier, the air below the hollow part is sealed by a water surface, the photovoltaic floating body can be attached to the water surface like the sucker under the combined action of buoyancy and atmospheric pressure, and the wave-resistant capability of the photovoltaic floating body is effectively improved under the combined action of the buoyancy of the photovoltaic carrier and the photovoltaic carrier. If in the region with small wind and wave, the photovoltaic support for supporting the photovoltaic module can be arranged through four holes on the upper layer part of the photovoltaic carrier, so that the photovoltaic module has an inclined angle to achieve the optimal power generation effect. The photovoltaic floating body units are connected through the steel wire rope, so that the photovoltaic floating body units are convenient to detach and replace, in addition, when encountering water flow impact, the photovoltaic floating body can rotate around the steel wire rope within a certain range, damage caused by the water flow impact is reduced, wind and wave resistance is further improved, and the photovoltaic floating body is convenient to install and detach, and is time-saving and labor-saving.
The first aspect of the invention provides a photovoltaic floating body used in a wave-resistant water body environment, which comprises a photovoltaic carrier and a photovoltaic module, wherein the photovoltaic carrier comprises an upper layer part 1 and a lower layer part 2, the upper layer part 1 and the lower layer part 2 are integrally formed, the upper layer part 1 and the lower layer part 2 are flat cuboid, and the upper layer part 1 is positioned in the middle position above the lower layer part 2;
a hollow portion 3 is provided in the intermediate position of the lower member 2, and the hollow portion 3 penetrates the lower member 2.
The length and width of the upper layer part 1 are smaller than those of the lower layer part 2;
the lower part 2 is flat, and the upper surface of the lower part 2 is inclined downwards towards the outside, and forms an acute angle with the lower surface;
the hollow portion 3 is cylindrical, conical or rectangular parallelepiped, preferably rectangular parallelepiped.
The lower part 2 is 100-300mm longer than the upper part 1, and the lower part 2 is 100-300mm wider than the upper part 1;
the lower member 2 is 100-400mm longer than the hollow portion 3, and the lower member 2 is 100-400mm wider than the hollow portion 3.
The adjacent photovoltaic carriers are detachably connected, preferably by one or more of snap connection and sleeve connection, and more preferably by sleeve connection.
The adjacent photovoltaic carriers are connected through steel wire ropes, the photovoltaic carriers are sleeved on the steel wire ropes through connecting structures 5 positioned on the periphery of the lower part 2, and the photovoltaic carriers can rotate along the vertical direction of the steel wire ropes.
The periphery of the lower part 2 of the photovoltaic carrier is provided with grooves 4, each groove 4 is internally provided with a connecting structure 5, the connecting structures 5 are sleeved on the steel wire ropes, and the connecting structures 5 are integrally connected with the lower part 2 of the photovoltaic carrier.
The number of grooves 4 on the long side of the lower part 2 of the photovoltaic carrier is 2-12;
the distance between the adjacent grooves 4 on the long side of the lower layer part 2 is equal, and the distance between the adjacent grooves 4 on the long side is 400-700mm;
the number of grooves 4 on the short side of the lower component 2 of the photovoltaic carrier is preferably 2-12;
the distance between adjacent grooves 4 in the short sides of the lower part 2 is equal, and the distance between adjacent grooves 4 in the short sides is 400-700mm.
The connecting structure 5 comprises a stainless steel sleeve 51 and a connecting sheet 52, one side of the connecting sheet 52 is connected with the lower layer component 2 of the photovoltaic carrier, and the other side opposite to the connecting sheet 52 is connected with the stainless steel sleeve 51.
The second aspect of the present invention provides a method for assembling a photovoltaic array, the photovoltaic array being assembled from the photovoltaic floating body according to the first aspect of the present invention, the method comprising the steps of:
step 1, embedding a photovoltaic module into a photovoltaic carrier to obtain light Fu Futi;
and 2, connecting the photovoltaic floating bodies through steel wires to obtain the photovoltaic array.
Drawings
FIG. 1 shows a top view of a photovoltaic carrier of a water environment in accordance with a preferred embodiment of the present invention;
FIG. 2 shows a front view of a photovoltaic carrier of a water environment in accordance with a preferred embodiment of the present invention;
FIG. 3 shows a left side view of a water environment photovoltaic carrier in accordance with a preferred embodiment of the present invention;
FIG. 4 shows a cross-sectional view of a water environment photovoltaic carrier and installed photovoltaic modules in accordance with a preferred embodiment of the present invention;
FIG. 5 shows a schematic view of a photovoltaic floating body connection structure for a water body environment in accordance with a preferred embodiment of the present invention;
FIG. 6 shows a top view of a preferred embodiment of the present invention after attachment of a photovoltaic floating body in a body of water;
FIG. 7 shows a left side view of a preferred embodiment of the present invention after attachment of a photovoltaic floating body in a body of water;
FIG. 8 shows a schematic diagram of the internal structure of a photovoltaic floating body in a water body environment according to a preferred embodiment of the invention;
FIG. 9 is a schematic view showing the construction of a photovoltaic module installed in a fresh water environment according to a preferred embodiment of the present invention;
fig. 10 is a schematic view showing a structure of a horizontally mounted photovoltaic module according to a preferred embodiment of the present invention;
FIG. 11 shows a schematic diagram of a photovoltaic array swinging along with waves in a water environment according to a preferred embodiment of the present invention.
FIG. 12 shows a schematic diagram of the bottom design of a photovoltaic floating body in a water environment in accordance with a preferred embodiment of the present invention.
Description of the reference numerals
1-upper layer components;
2-lower layer components;
3-a hollow portion;
4-grooves;
a 5-linkage structure;
51-stainless steel sleeve;
52-connecting sheets.
Detailed Description
The features and advantages of the present invention will become more apparent and evident from the following detailed description of the invention.
The first aspect of the present invention provides a photovoltaic floating body used in a wave-resistant water body environment, the photovoltaic floating body comprises a photovoltaic carrier and a photovoltaic assembly, the photovoltaic carrier comprises an upper layer component 1 and a lower layer component 2, the upper layer component 1 and the lower layer component 2 are integrally formed, the upper layer component 1 and the lower layer component 2 are both flat cuboid, and the upper layer component 1 is located in a middle position above the lower layer component 2, as shown in fig. 1 and 4.
The length and width of the upper member 1 are smaller than those of the lower member 2, as shown in fig. 2 and 3. The upper layer component is used for placing and fixing the photovoltaic module. The lower part 2 of the photovoltaic carrier is of a floating body structure and is flat.
The middle position of the lower part 2 is provided with a hollow part 3, except the hollow part, the photovoltaic carrier is generally in a solid structure, preferably the hollow part 3 penetrates through the lower part 2, as shown in fig. 4, and is used as a part of a sucker structure of the photovoltaic carrier, after the photovoltaic component is horizontally arranged on the photovoltaic carrier, the photovoltaic component and the photovoltaic carrier are spliced into a closed structure, the lower surface of the photovoltaic carrier is provided with a large-area recess, so that the air below the photovoltaic component is sealed by a water surface, under the combined action of the buoyancy of the above-water photovoltaic carrier and the atmospheric pressure, the photovoltaic floating body is attached to the water surface like a sucker, when the photovoltaic component and the photovoltaic carrier meet wind waves, the buoyancy of the carrier enables the photovoltaic floating body not to sink into water, and the effect of the atmospheric pressure enables the whole not to be separated from the water surface, thereby realizing the effect of attaching the water surface and effectively improving the capability of resisting the wind waves.
Preferably, the lower part 2 is 100-300mm longer than the upper part 1, more preferably the lower part 2 is 150-200mm longer than the upper part 1.
The lower part 2 is preferably 100-300mm wider than the upper part 1, more preferably the lower part 2 is 150-200mm wider than the upper part 1.
When the dimensions of the lower member 2 and the upper member 1 are in the above-described ranges, the lower member can provide sufficient buoyancy as a floating body structure.
In a preferred embodiment of the present invention, the hollow portion 3 is cylindrical, conical or rectangular parallelepiped, preferably rectangular parallelepiped.
The lower member 2 is 100-400mm longer than the hollow portion 3, and it is preferable that the lower member 2 is 200-350mm longer than the hollow portion 3.
The lower member 2 is 100-400mm wider than the hollow portion 3, and preferably the lower member 2 is 200-350mm wider than the hollow portion 3.
If the size of the hollow part is too large, the buoyancy provided by the lower part is insufficient to support the photovoltaic carrier and the photovoltaic module, if the size of the hollow part is too small, the effect of the hollow part on the water surface is poor, and when the size of the hollow part is in the range, the hollow part can provide enough suction to enable the photovoltaic carrier to be attached to the water surface, meanwhile, the buoyancy provided by the lower part is larger, and the hollow part and the lower part cooperate to effectively improve the wind wave resistance of the photovoltaic carrier.
According to a preferred embodiment of the invention, the upper surface of the lower part 2 of the photovoltaic carrier has striated or water wave-like lines, as shown in fig. 1, for a skid-proof structure when a worker walks, and at the same time, for a drainage structure.
According to a preferred embodiment of the invention, a water-absorbing layer of 1-5cm is present below the floating body, as shown in fig. 11 and 12. When the floating body floats on the water surface horizontally, the water absorption layer does not influence the buoyancy of the floating body. When the wind waves are large, the floating body turns over and one side of the floating body rises away from the water surface, the weight of the water body in the water absorption layer can influence the floating body, and the gravity of the water body can resist wind force. The cross section of the edge of the lower part 2 of the offshore photovoltaic carrier is circular arc, so that the impact of water flow can be reduced, the damage caused by collision between the offshore photovoltaic carriers is prevented, and the photovoltaic carriers can be opened and closed mutually.
The photovoltaic carriers are detachably connected, preferably by one or two of snap connection and sleeve connection, more preferably sleeve connection.
According to the invention, the water body environment photovoltaic carriers are not directly connected and fixed, adjacent photovoltaic carriers are connected through the steel wire rope, the photovoltaic carriers are sleeved on the steel wire rope through the connecting structure 5 positioned at the periphery of the lower part 2, so that a plurality of water body environment photovoltaic carriers are connected together to form a photovoltaic array, and the adjacent photovoltaic carriers can rotate along the vertical direction of the steel wire rope.
When the connection mode can enable the photovoltaic carrier and the photovoltaic module in the water body environment to be impacted by water flow, the adjacent photovoltaic carrier can rotate around the steel wire rope within a certain range, so that damage to the photovoltaic carrier, the photovoltaic module and the connection part caused by the water flow impact is reduced.
In a preferred embodiment of the invention, grooves 4 are formed in the periphery of the photovoltaic carrier lower part 2, a connecting structure 5 is arranged in each groove 4, the connecting structure 5 is sleeved on the steel wire rope and used for connecting the photovoltaic carriers in the water environment, and the connecting structure 5 and the photovoltaic carrier lower part 2 are integrally connected, as shown in fig. 1.
The integral connection can enable the stress effect of the connecting structure 5 to be better, avoid the breakage of the connecting structure 5, and improve the tolerance and the wind and wave resistance of the photovoltaic carrier.
The number of grooves 4 on the long side of the photovoltaic carrier lower layer member 2 is preferably 2 to 12, more preferably 3 to 12.
The distance between adjacent grooves 4 on the long side of the lower member 2 is equal, and the distance between adjacent grooves 4 on the long side is 400-700mm, preferably 500-600mm, more preferably 550mm.
The number of grooves 4 on the short sides of the photovoltaic carrier lower member 2 is preferably 2 to 12, more preferably 3 to 12.
The connecting device can effectively connect adjacent photovoltaic carriers and provide enough connecting force, so that when wind waves are large, disconnection between the adjacent photovoltaic carriers caused by insufficient connecting force is avoided.
The distance between adjacent grooves 4 in the short sides of the lower part 2 is equal and the distance between adjacent grooves 4 in the short sides is 400-700mm, preferably 500-600mm, more preferably 550mm.
In a further preferred embodiment of the present invention, the connection structure 5 comprises a stainless steel sleeve 51 and a connection piece 52, one side of the connection piece 52 is connected to the lower part 2 of the photovoltaic carrier, the other side opposite to the connection piece is connected to the stainless steel sleeve 51, and the photovoltaic carrier is sleeved on the steel wire through the stainless steel sleeve 51, as shown in fig. 5.
The stainless steel sleeve is used for mounting, so that abrasion of the steel wire rope to the connecting structure can be avoided, and the service life is prolonged.
Preferably, each connecting structure 5 comprises one or two stainless steel sleeves 51, when two stainless steel sleeves are included, the two stainless steel sleeves are respectively located at two ends of the connecting sheet 52, the connecting structure 5 is concave, when one stainless steel sleeve is connected, the stainless steel sleeve is located at the middle position of the connecting sheet 52, the connecting structure 5 is convex, and the convex connecting structure can be embedded in the concave connecting structure, as shown in fig. 5 and 6.
More preferably, the lower layer component 2 is provided with concave connection structures on any two adjacent sides, and is provided with convex connection structures on all the other two sides, so that the concave connection structures and the convex connection structures of the two adjacent photovoltaic carriers are embedded, the lower layer component is sleeved on the steel wire rope to form a hinge-like structure, as shown in fig. 5, when encountering stormy waves, the photovoltaic carriers can rotate along the vertical direction of the steel wire rope, as shown in fig. 7, and meanwhile, the embedded mode can avoid relative displacement between the adjacent photovoltaic carriers along the axial direction of the steel wire rope and swing along with the stormy waves, as shown in fig. 11.
By adopting the connection mode, when the photovoltaic floating body array in the water environment is impacted by water flow, the photovoltaic floating body array rotates in the vertical direction of the steel wire rope within a certain range to reduce the damage of the water flow impact to the photovoltaic carrier and the connection part of the photovoltaic carrier.
The water body photovoltaic carrier is made of high molecular polymers, the high molecular polymers mainly provide buoyancy and strength, and meanwhile, the internal framework, the connecting members and the like of the photovoltaic carrier are combined into an integrated photovoltaic carrier. The photovoltaic carrier is a solid floating body to resist the impact of sea ice.
The tensile strength of the high molecular polymer is higher than 0.4MPa, preferably higher than 15MPa. Meanwhile, the high polymer has corrosion resistance, chemical corrosion, biological corrosion, electrochemical corrosion and the like in the marine environment are avoided, and in addition, the high polymer has certain elasticity and can resist dynamic load caused by sea wave impact.
The inside of upper member 1 and lower member 2 has inside skeleton support respectively, and inside skeleton support is rectangular support, as shown in fig. 8 for photovoltaic carrier production fashioned supporting part and inside skeleton, and the rectangular support periphery part of lower member 2 has the fibrous network structure that is used for the reinforcement, as shown in fig. 8, effectively improves the intensity of lower structure 2 and whole photovoltaic body, improves its anti-wind and wave ability. The internal supporting structure can be made of wood, moso bamboo and other materials.
The overall buoyancy of the photovoltaic carrier in the water environment is far greater than the weight of the photovoltaic assembly, and the buoyancy of the photovoltaic carrier is higher than 200 kg/block, so that the damage of floating body materials and the growth of marine fouling organisms are met.
According to a preferred embodiment of the invention, in areas with large storms, such as the sea, the photovoltaic modules are embedded in a photovoltaic carrier of a body of water, and the photovoltaic modules are mounted in the photovoltaic carrier in a horizontal manner. The horizontal installation mode can reduce the influence of wind waves on the photovoltaic module.
Specifically, the inner wall of the upper layer component 1 is provided with a circle of groove, the height of the groove is slightly larger than the thickness of the photovoltaic module, and the photovoltaic module can be embedded in the groove, as shown in fig. 10.
According to another preferred embodiment of the present invention, if the photovoltaic module is installed on the photovoltaic carrier at an inclined angle in an area where stormy waves are small, such as inland lakes or the like.
Specifically, four holes are symmetrically formed in four corners of the upper component 2 of the photovoltaic carrier, the holes are used for installing photovoltaic supports, photovoltaic modules are installed on the Fu Zhi photovoltaic supports, as shown in fig. 9, the photovoltaic supports installed on the same side have the same length, the lengths of the photovoltaic supports located on the same side are different from those of the photovoltaic supports located on the other side opposite to the same side, the photovoltaic modules are installed on the photovoltaic carrier at a certain inclination angle, and the inclination angle of the photovoltaic modules achieves the optimal power generation effect.
The second aspect of the present invention provides a method for assembling a photovoltaic array, the photovoltaic array being assembled from the photovoltaic floating body according to the first aspect of the present invention, the method comprising the steps of:
step 1, embedding a photovoltaic module into a photovoltaic carrier to obtain a photovoltaic floating body.
When the photovoltaic module is installed in the photovoltaic carrier at a horizontal angle, the photovoltaic module is embedded into the groove on the inner wall of the upper component 1, and a photovoltaic unit is obtained.
When the photovoltaic module is installed on the photovoltaic carrier at a certain inclination angle, the photovoltaic support is installed in the four holes of the upper component 2, the length of the photovoltaic support installed on the same side is different from that of the photovoltaic support on the other opposite side, and then the photovoltaic module is installed on the photovoltaic support, so that a certain angle is formed between the photovoltaic module and the photovoltaic carrier.
And 2, connecting the photovoltaic floating bodies through steel wires to obtain the photovoltaic array.
The convex connecting structures in the lower parts 2 of the adjacent photovoltaic floating bodies are embedded into the concave connecting structures, steel wires penetrate through stainless steel sleeves of the connecting structures to form a structure similar to a hinge, as shown in fig. 5, and the photovoltaic floating bodies are connected in the mode, as shown in fig. 6.
The photovoltaic floating bodies are sleeved on the steel wire rope through a connecting structure in the photovoltaic carrier lower part 2, so that a plurality of offshore photovoltaic floating bodies are connected together to form an array, and an offshore photovoltaic array is obtained.
The invention has the beneficial effects that:
(1) The photovoltaic carrier and the light Fu Futi are spliced to form a closed structure, a large-area concave structure exists on the whole lower surface, so that gas below the photovoltaic carrier is sealed by the water surface, an integrated sucker structure is formed under the combined action of buoyancy of the photovoltaic carrier on water and atmospheric pressure, the photovoltaic carrier is attached to the water surface like a sucker, when the photovoltaic component and the floating body encounter stormy waves, the floating body is prevented from sinking into water due to the buoyancy of the carrier, the whole is prevented from being separated from the water surface due to the action of atmospheric pressure, the effect of attaching to the water surface is realized, and the stormy waves resistance of the photovoltaic carrier is enhanced;
(2) According to the photovoltaic floating body, the installation mode that one photovoltaic carrier in the water environment corresponds to one photovoltaic module is realized, and if one photovoltaic carrier or module is damaged, the photovoltaic floating body can be independently detached and replaced, so that a complex integral installation and replacement mode is avoided;
(3) The photovoltaic floating body in the water environment is convenient and quick to integrally install, has high laying efficiency, and is different from the defects that the traditional floating photovoltaic carrier on water needs multiple connection points and multiple blocks are difficult to splice;
(4) The photovoltaic floating body in the water environment is firm in overall structure, and the problem that a floating type photovoltaic carrier cannot work normally in a severe sea environment is solved;
(5) The photovoltaic floating body in the water environment is different from a traditional floating body spliced empty box, and is of an integrated carrier structure, the photovoltaic carrier is internally provided with reticular fibers, so that the fixed support is enhanced, and meanwhile, the photovoltaic floating body has a good wind wave resistance effect and can realize the construction of a photovoltaic power station;
(6) The photovoltaic floating body units are connected with each other through the steel wire rope, and when the photovoltaic floating body units are impacted by water flow, the photovoltaic floating body units can rotate along the vertical direction of the steel wire rope, so that the damage to the photovoltaic floating body and the connecting part of the photovoltaic floating body caused by the water flow impact can be effectively reduced, and the service life of the photovoltaic floating body is prolonged.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "front", "rear", etc. are based on the positional or positional relationship in the operation state of the present invention, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected in common; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The invention has been described above in connection with preferred embodiments, which are, however, exemplary only and for illustrative purposes. On this basis, the invention can be subjected to various substitutions and improvements, and all fall within the protection scope of the invention.
Claims (10)
1. The photovoltaic floating body is characterized by comprising a photovoltaic carrier and a photovoltaic assembly, wherein the photovoltaic carrier comprises an upper part (1) and a lower part (2), the upper part (1) and the lower part (2) are integrally formed, the upper part (1) and the lower part (2) are flat cuboid, and the upper part (1) is positioned in the middle position above the lower part (2);
a hollow part (3) is arranged at the middle position of the lower layer component (2), and the hollow part (3) penetrates through the lower layer component (2).
2. The photovoltaic floating body of claim 1, wherein the photovoltaic floating body comprises,
the length and the width of the upper layer component (1) are smaller than those of the lower layer component (2);
the upper surface of the lower layer part (2) is inclined downwards towards the outside, and an acute angle is formed between the upper surface and the lower surface;
the hollow portion (3) is cylindrical, conical or rectangular, preferably rectangular.
3. The photovoltaic floating body of claim 2, wherein the photovoltaic floating body comprises,
the lower layer part (2) is 100-300mm longer than the upper layer part (1), and the lower layer part (2) is 100-300mm wider than the upper layer part (1).
4. The photovoltaic floating body of claim 2, wherein the photovoltaic floating body comprises,
the lower part (2) is 100-400mm longer than the hollow part (3), and the lower part (2) is 100-400mm wider than the hollow part (3).
5. The photovoltaic floating body of claim 1, wherein the photovoltaic floating body comprises,
the adjacent photovoltaic carriers are connected in a detachable mode, and the preferred connection mode is one or two of buckle connection and sleeve connection, and more preferred sleeve connection.
6. The photovoltaic floating body of claim 5,
the adjacent photovoltaic carriers are connected through steel wire ropes, the photovoltaic carriers are sleeved on the steel wire ropes through connecting structures (5) positioned on the periphery of the lower part (2), and the photovoltaic carriers can rotate along the vertical direction of the steel wire ropes.
7. The photovoltaic floating body of claim 6, wherein the photovoltaic floating body comprises,
the periphery of the lower part (2) of the photovoltaic carrier is provided with grooves (4), each groove (4) is internally provided with a connecting structure (5), the connecting structures (5) are sleeved on the steel wire ropes, and the connecting structures (5) are integrally connected with the lower part (2) of the photovoltaic carrier.
8. The photovoltaic floating body of claim 7,
the number of grooves (4) on the long side of the lower part (2) of the photovoltaic carrier is 2-12;
the distances between the adjacent grooves (4) on the long sides of the lower layer part (2) are equal, and the distances between the adjacent grooves (4) on the long sides are 400-700mm;
the number of grooves (4) on the short side of the lower part (2) of the photovoltaic carrier is preferably 2-12;
the distances between the short-side adjacent grooves (4) of the lower layer component (2) are equal, and the distances between the short-side adjacent grooves (4) are 400-700mm.
9. The photovoltaic floating body of claim 6, wherein the photovoltaic floating body comprises,
the connecting structure (5) comprises a stainless steel sleeve (51) and a connecting sheet (52), one side of the connecting sheet (52) is connected with the lower layer component (2) of the photovoltaic carrier, and the other side opposite to the connecting sheet is connected with the stainless steel sleeve (51).
10. A method of assembling a photovoltaic array from the photovoltaic floating body of one of claims 1 to 9, the method comprising the steps of:
step 1, embedding a photovoltaic module into a photovoltaic carrier to obtain light Fu Futi;
and 2, connecting the photovoltaic floating bodies through steel wires to obtain the photovoltaic array.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210989005.6A CN117622399A (en) | 2022-08-17 | 2022-08-17 | Photovoltaic floating body used in wave-resistant water body environment and installation method |
| PCT/CN2023/107960 WO2024037270A1 (en) | 2022-08-17 | 2023-07-18 | Wave-resistant photovoltaic floating body used in water body environment, and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210989005.6A CN117622399A (en) | 2022-08-17 | 2022-08-17 | Photovoltaic floating body used in wave-resistant water body environment and installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117622399A true CN117622399A (en) | 2024-03-01 |
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ID=90027521
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210989005.6A Pending CN117622399A (en) | 2022-08-17 | 2022-08-17 | Photovoltaic floating body used in wave-resistant water body environment and installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117622399A (en) |
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2022
- 2022-08-17 CN CN202210989005.6A patent/CN117622399A/en active Pending
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