CN117048786A - Flexible floating type photovoltaic system capable of eliminating waves and draining water - Google Patents
Flexible floating type photovoltaic system capable of eliminating waves and draining water Download PDFInfo
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- CN117048786A CN117048786A CN202311077027.6A CN202311077027A CN117048786A CN 117048786 A CN117048786 A CN 117048786A CN 202311077027 A CN202311077027 A CN 202311077027A CN 117048786 A CN117048786 A CN 117048786A
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- buoyancy
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- ribs
- steel frame
- cloth layer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000004744 fabric Substances 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 238000009987 spinning Methods 0.000 claims abstract description 12
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims description 5
- 239000002759 woven fabric Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 10
- 238000010248 power generation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000035699 permeability Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000001316 polygonal cell Anatomy 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000011800 void material 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
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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
-
- 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)
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a flexible floating type photovoltaic system capable of eliminating waves and draining water, and relates to the technical field of offshore photovoltaic power generation, comprising a flexible supporting surface, a photovoltaic assembly, a peripheral buoyancy ring, an annular steel frame and a mooring assembly; the outer side of the annular steel frame is provided with a peripheral buoyancy ring, the annular steel frame is connected with one end of a mooring component, and the other end of the mooring component is anchored on the seabed; the inside of the annular steel frame is provided with a flexible supporting surface, and the flexible supporting surface is provided with a photovoltaic module. The flexible supporting surface with buoyancy ribs based on the woven cloth layer is used for replacing the waterproof film material. The spinning cloth layer has good water permeability, can realize automatic discharge of the upper wave water body, can not cause upper wave water accumulation compared with a waterproof film or air cushion, does not need to additionally arrange a drainage facility, avoids additional power consumption to reduce the power generation effect of the photovoltaic system, and has more reliable and stable drainage mode. The spinning cloth layer can effectively separate waves below the supporting surface, and direct striking of the waves on the lower side of the photovoltaic module is avoided.
Description
Technical Field
The utility model relates to the technical field of offshore photovoltaic power generation, in particular to a flexible floating photovoltaic system capable of eliminating waves and draining water.
Background
The increasing demand for offshore photovoltaic development is increasing. However, compared with land, the severe marine environment causes the offshore photovoltaic support structure to have high manufacturing cost and difficult economic benefit to reach the standard, which is a bottleneck for almost all offshore photovoltaic projects.
A floating photovoltaic solar device designed to reduce the effects of wind without the use of external controls or electricity is disclosed in WO 2014136107. The device comprises a floating anchor frame with means for connecting an internal grid of ropes; a string grid suspended within the floating frame and forming a set of polygonal cells in which the independently floating solar photovoltaic modules are positioned. Access for both planned and unplanned maintenance may be provided by a floating service gantry. The system is modular and multiple devices can be connected in a honeycomb structure. The light plate assembly is supported by the small floating body array, the concept of the light plate assembly is inconsistent with that of the flexible film floating body, the rope mainly plays a role in connection and fixation, and the strength requirement on the connection node between the small floating bodies is high.
In the patent of publication number CN216401699U, a marine showy formula photovoltaic system of adoption flexible construction is disclosed, including photovoltaic module and upper surface set firmly photovoltaic module and can float the flexible body basis on the sea, flexible body basis outside annular is equipped with the annular truss, the annular truss outside is equipped with the annular body that makes the annular truss float on the sea, the annular truss is connected with the anchor that corresponds to arrange in the seabed through a plurality of mooring lines. The utility model has the characteristics of high buoyancy, good stability, less steel consumption, low cost and strong wave resistance. The air cushion membrane structure still does not effectively solve the problem of water drainage, and the defect of low strength of the membrane also exists, and the risks of water leakage, air leakage and membrane structure damage exist. In addition, the air cabin is inflated by adopting the air blower at random, so that the maintenance requirement in the operation period is higher, the extra power consumption is increased, and the stability and the reliability of the photovoltaic system and the comprehensive power generation benefit are reduced.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the flexible floating type photovoltaic system which can realize automatic drainage and can eliminate waves and drain water when being attached to the water surface.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a flexible floating type photovoltaic system capable of eliminating waves and draining water, which comprises a flexible supporting surface, a photovoltaic assembly, a peripheral buoyancy ring, an annular steel frame and a mooring assembly; the outer side of the annular steel frame is provided with the peripheral buoyancy ring, the annular steel frame is connected with one end of the mooring component, and the other end of the mooring component is anchored on the seabed; the flexible supporting surface is arranged on the inner side of the annular steel frame, and the photovoltaic module is arranged on the flexible supporting surface; the flexible supporting surface comprises a spinning cloth layer and buoyancy ribs; the upper surface of the woven cloth layer is provided with a plurality of buoyancy ribs, and the photovoltaic module is arranged between the adjacent buoyancy ribs.
Optionally, the buoyancy rib is made of woven cloth, and the buoyancy rib is connected with the woven cloth layer through stitching.
Optionally, a buoyancy filler is disposed in the buoyancy rib.
Optionally, the upper surface of the woven fabric layer is provided with a plurality of buoyancy ribs in parallel along the longitudinal direction.
Optionally, the upper surface of the woven cloth layer is provided with a plurality of longitudinal buoyancy ribs and a plurality of transverse buoyancy ribs.
Optionally, the upper surface of the woven cloth layer is provided with a plurality of buoyancy ribs, and the plurality of buoyancy ribs are arranged along a rectangular array.
Optionally, the circumference of the woven cloth layer is wrapped with the annular steel frame and then is connected by stitching.
Optionally, the mooring component comprises a mooring line and an anchor; one end of the mooring rope is connected with the annular steel frame, and the other end of the mooring rope is connected with the anchor.
Compared with the prior art, the utility model has the following technical effects:
1. the flexible supporting surface with buoyancy ribs based on the woven cloth layer is used for replacing the waterproof film material. The spinning cloth layer has a certain void ratio and good water permeability, can realize automatic discharge of a water body of upper waves, does not cause water accumulation of upper waves compared with the existing waterproof film or air cushion scheme, does not need to additionally arrange a drainage facility, avoids additional power consumption to reduce the power generation effect of the photovoltaic system, and has more reliable and stable drainage mode.
2. The woven cloth layer has water permeability, but can still effectively separate waves below the supporting surface, and the waves are prevented from directly striking the lower side of the photovoltaic module.
3. The buoyancy rib is filled with low-density buoyancy materials and uniformly arranged on the spinning cloth layer, so that the flexible supporting surface is attached to the water surface to float, the floating and dragging of the water body can be effectively utilized to support the photovoltaic module, the self weight of the photovoltaic module is prevented from being supported by utilizing the structural strength, and the construction cost is greatly reduced.
4. The supporting surface with the buoyancy ribs based on the woven cloth layer still maintains the flexible characteristic of the whole supporting floating body, and under the action of severe sea wave conditions, the structure can realize wave-following and flow-following, and the structure is prevented from being directly hit by waves.
5. The spinning cloth layer is made of high molecular polymer, and compared with the film material, the spinning cloth layer has high strength, good toughness and good tensile resistance, and can be more suitable for severe sea conditions.
6. The woven cloth layer has a certain gap, and under the action of local needling such as the sharp feet of the photovoltaic module, the gap can effectively solve the transfer needling action, and has better puncture resistance compared with a film or air cushion material.
7. The sewing process with spinning cloth layer is used as the connecting method, and includes the connection between the spinning cloth layer and the annular rigid frame, the connection between the spinning cloth layer and the buoyancy rib, etc. The connecting mode can reach 70% -80% of the strength of the woven cloth layer, is uniformly distributed surface connection, is more uniform in stress distribution at the connecting position compared with the previous node connecting mode adopting ropes or buckles, and solves the problem that the connecting nodes are easy to damage. At the same time, no additional reinforcement of the support surface at the connection is required compared to film or air cushion materials.
8. The air cushion material also needs unscheduled inflation maintenance, has relatively high maintenance requirement on the operation period, and additionally consumes certain electric quantity, so that compared with the scheme, the scheme has higher power generation benefit.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a flexible floating photovoltaic system capable of dissipating waves and draining water;
FIG. 2 is a schematic view of the structure of an annular steel frame in the flexible floating photovoltaic system capable of eliminating waves and draining water;
FIG. 3 is a schematic diagram of the peripheral buoyancy ring in the flexible floating photovoltaic system capable of dissipating waves and draining water;
FIG. 4 is a schematic view of the structure of a photovoltaic module in the flexible floating photovoltaic system capable of dissipating waves and draining water according to the present utility model;
FIG. 5 is a schematic cross-sectional view of a flexible support surface of the wave-dissipating drainage flexible floating photovoltaic system of the present utility model;
FIG. 6 is a schematic view of a longitudinal parallel arrangement of buoyancy ribs of a flexible supporting surface in the flexible floating photovoltaic system capable of eliminating waves and draining water;
FIG. 7 is a schematic view of the arrangement of the transverse and longitudinal grids of the buoyancy ribs of the flexible supporting surface in the flexible floating photovoltaic system capable of eliminating waves and draining water;
fig. 8 is a schematic diagram of a rectangular array arrangement structure of buoyancy ribs of a flexible supporting surface in the flexible floating photovoltaic system capable of eliminating waves and draining water.
Reference numerals illustrate: 1. a flexible support surface; 2. a photovoltaic module; 3. a peripheral buoyancy ring; 4. a circumferential steel frame; 5. a mooring component; 2.1, a spinning cloth layer is arranged; 2.2, buoyancy ribs; 2.21, longitudinal buoyancy ribs; 2.22, transverse buoyancy ribs; 2.3 buoyancy filler.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 8, the present embodiment provides a flexible floating type photovoltaic system capable of dissipating waves and draining water, comprising a flexible supporting surface 1, a photovoltaic module 2, a peripheral buoyancy ring 3, an annular steel frame 4 and a mooring module 5; the outer side of the annular steel frame 4 is provided with a peripheral buoyancy ring 3, the annular steel frame 4 is connected with one end of a mooring component 5, and the other end of the mooring component 5 is anchored on the seabed; the inside of the annular steel frame 4 is provided with a flexible supporting surface 1, and the flexible supporting surface 1 is provided with a photovoltaic module 2.
In this embodiment, the flexible support surface 1 comprises a woven fabric layer 2.1 and buoyancy ribs 2.2. The upper surface of the woven cloth layer 2.1 is provided with a plurality of buoyancy ribs 2.2, and the photovoltaic module 2 is arranged between the adjacent buoyancy ribs 2.2.
Buoyancy filler 2.3 is arranged in the buoyancy rib 2.2. The buoyancy filler 2.3 is made of a low-density material.
The circumference of the cloth layer 2.1 is wrapped with a circumferential steel frame 4 and then is connected by stitching. And intermediate connecting pieces such as connecting ropes are not required to be additionally arranged, so that the weak links of connection are reduced.
The buoyancy ribs 2.2 on the upper surface of the woven cloth layer 2.1 can be arranged in parallel along the longitudinal direction, can be arranged in a mode of a plurality of longitudinal buoyancy ribs 2.21 and a plurality of transverse buoyancy ribs 2.22, and can also be arranged in a mode of a rectangular array.
The buoyancy rib 2.2 is provided with a clamping groove, and the photovoltaic module 2 is arranged in the clamping groove. The clamping groove is connected with the buoyancy rib 2.2 by adopting a sewing or sticking process. The distance between the buoyancy ribs 2.2 is matched with the size of the photovoltaic module 2, and the size of the buoyancy ribs 2.2 is comprehensively determined according to the weight, the environmental condition, other use requirements and the like of the photovoltaic module 2.
In a further embodiment, the annular rigid frame is a circular ring, and comprises a horizontal annular pipe, a vertical reinforcing rib and an inclined reinforcing rib, so as to reduce the upward wave of the floating body, avoid the adverse effect of wind load on the flexible supporting surface 1, and wrap a layer of flexible material with waterproof performance around the annular rigid frame. The annular rigid frame can be made of high-strength rechecking materials with good durability.
The buoyancy rib 2.2 is made of woven cloth, and the buoyancy rib 2.2 is connected with the woven cloth layer 2.1 through stitching.
The number of layers and the cross-sectional diameter of the peripheral buoyancy ring 3 are determined according to design conditions and requirements.
The mooring component 5 comprises mooring lines and anchors; one end of the mooring rope is connected with the annular steel frame 4, the other end of the mooring rope is connected with the anchor, and the mooring rope is fixed with the seabed surface through the anchor, so that the whole floating body structure is connected with the seabed.
It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The principles and embodiments of the present utility model have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present utility model and its core ideas; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (8)
1. The flexible floating type photovoltaic system capable of eliminating waves and draining water is characterized by comprising a flexible supporting surface, a photovoltaic module, a peripheral buoyancy ring, an annular steel frame and a mooring module; the outer side of the annular steel frame is provided with the peripheral buoyancy ring, the annular steel frame is connected with one end of the mooring component, and the other end of the mooring component is anchored on the seabed; the flexible supporting surface is arranged on the inner side of the annular steel frame, and the photovoltaic module is arranged on the flexible supporting surface; the flexible supporting surface comprises a spinning cloth layer and buoyancy ribs; the upper surface of the woven cloth layer is provided with a plurality of buoyancy ribs, and the photovoltaic module is arranged between the adjacent buoyancy ribs.
2. The wave-attenuating and water-draining flexible floating photovoltaic system according to claim 1, wherein the buoyancy rib is made of woven fabric, and the buoyancy rib is connected with the woven fabric layer by stitching.
3. The wave-attenuating, water-draining, flexible, floating photovoltaic system of claim 1, wherein buoyancy filler is disposed within the buoyancy rib.
4. The wave-attenuating and water-draining flexible floating photovoltaic system according to claim 1, wherein the upper surface of the woven cloth layer is provided with a plurality of buoyancy ribs in parallel along the longitudinal direction.
5. The wave-attenuating and water-draining flexible floating photovoltaic system according to claim 1, wherein the upper surface of the woven cloth layer is provided with a plurality of longitudinal buoyancy ribs and a plurality of transverse buoyancy ribs.
6. The wave-attenuating and water-draining flexible floating photovoltaic system according to claim 1, wherein the upper surface of the woven cloth layer is provided with a plurality of buoyancy ribs, and the plurality of buoyancy ribs are arranged along a rectangular array.
7. The flexible floating photovoltaic system capable of eliminating waves and draining water according to claim 1, wherein the surrounding of the woven cloth layer is wrapped with the annular steel frame and then is connected by stitching.
8. The wave-breaking drainage flexible floating photovoltaic system according to claim 1, wherein the mooring component comprises a mooring line and an anchor; one end of the mooring rope is connected with the annular steel frame, and the other end of the mooring rope is connected with the anchor.
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CN202311077027.6A CN117048786A (en) | 2023-08-25 | 2023-08-25 | Flexible floating type photovoltaic system capable of eliminating waves and draining water |
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CN202311077027.6A CN117048786A (en) | 2023-08-25 | 2023-08-25 | Flexible floating type photovoltaic system capable of eliminating waves and draining water |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117842291A (en) * | 2024-01-11 | 2024-04-09 | 上海勘测设计研究院有限公司 | Marine floating type photovoltaic platform |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117842291A (en) * | 2024-01-11 | 2024-04-09 | 上海勘测设计研究院有限公司 | Marine floating type photovoltaic platform |
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