Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the offshore photovoltaic floating body system, which has the advantages of low cost, good wave resistance and good bending resistance, and meets the requirements of the offshore photovoltaic floating system.
An offshore photovoltaic floating body system comprising a plurality of photovoltaic floating body modules and a connector for securing the plurality of photovoltaic floating body modules;
Each photovoltaic floating body module in the plurality of photovoltaic floating body modules comprises an upper panel and a lower panel which are connected in a welded mode, a hinged connector is arranged on the periphery of each photovoltaic floating body, the plurality of photovoltaic floating bodies are connected in a hinged mode through the hinged connector, one end of each connecting piece is connected to the hinged connector of the photovoltaic floating body module at the outermost side, and the other end of each connecting piece is connected to an offshore external fixed pile foundation.
Further, the photovoltaic panel and the upper panel of the photovoltaic floating body are connected in a lamination mode.
Further, a plurality of grooves are fixedly formed in the upper panel and the lower panel of the floating body.
Further, the direction of the profile grooves on the upper panel and the lower panel is any direction, the number of the profile grooves is a plurality, and the profile grooves are uniformly distributed on the upper panel and the lower panel.
Further, the shape of the profile groove is any one of triangle, rectangle, trapezoid, semicircle or arc.
Further, the grooves of the upper panel and the grooves of the lower panel are distributed in a staggered manner.
Further, the size of the photovoltaic panel is the same as the size of the upper panel.
Further, the connecting piece is a hinge or a steel chain subjected to rust prevention and corrosion prevention treatment.
Further, the profile groove shape between the upper panel and the lower panel of the same photovoltaic floating body module is the same.
Further, the light Fu Futi module is rectangular in structure.
Compared with the prior art, the invention has the advantages that:
According to the offshore photovoltaic floating body system, each photovoltaic floating body module comprises the upper panel and the lower panel which are mutually welded and connected, the photovoltaic panels are fixedly arranged on the upper panel, and the structure of the grooves is arranged between the upper panel and the lower panel, so that the strength of the photovoltaic floating body module formed by the upper panel and the lower panel is enhanced, and the photovoltaic floating body module can bear larger bending moment and is not easy to damage when floating on the sea surface; meanwhile, the articulated connectors are arranged between the single photovoltaic floating body modules, and the plurality of photovoltaic floating body modules are articulated and connected through the articulated connectors, so that when the photovoltaic floating body system floats on the sea, the damage of the photovoltaic floating body system caused by sea wave fluctuation can be buffered through the structure of the articulated connectors, the wave resistance is enhanced, and the damage of the single photovoltaic floating body module and the damage of the photovoltaic floating body system are avoided; through the structure of connecting piece for photovoltaic body system can be fixed in the fixed region on the sea, avoids photovoltaic body system to receive the effect of wave wantonly drift, lose and damage.
Further, the photovoltaic panel and the upper panel are connected in a laminating mode, so that the upper panel and the photovoltaic panel of the photovoltaic floating body module are integrated, the problems that the photovoltaic panel falls off and loosens when floating on the sea are avoided, and the photovoltaic power generation efficiency is guaranteed.
Further, through the structure of type groove to set up the type groove between top panel and lower panel, and set up a plurality of type grooves between top and lower panel, set up the shape of type groove into triangle-shaped, rectangle, trapezoidal, semicircular or arc arbitrary mode, and with the crisscross distribution of type groove between the top and lower panel, increased the intensity of photovoltaic body module, thereby make light Fu Futi module can bear great moment of flexure at sea floating in-process, not fragile.
Further, the size of the photovoltaic panel is set to be the same as that of the upper panel, so that the occupied area of the photovoltaic panel on the photovoltaic floating body is larger, the photovoltaic power generation capacity is guaranteed, and the photovoltaic power generation efficiency is improved.
Further, through setting up the connecting piece as the hinge or the steel chain that pass through rust-resistant and anticorrosive treatment, on the one hand make the connecting piece have certain intensity, on the other hand can be corrosion-resistant, strengthened the life of connecting piece.
Detailed Description
The invention will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The following detailed description is exemplary and is intended to provide further details of the invention. Unless defined otherwise, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more. 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 either fixedly connected, detachably connected, or integrally connected, for example; 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.
An offshore photovoltaic floating body system of the present invention, as shown in fig. 6 and 1, comprises a plurality of photovoltaic floating body modules 1 and a connector 4 for fixing the plurality of photovoltaic floating body modules 1; each photovoltaic floating body module 1 in the plurality of photovoltaic floating body modules 1 comprises an upper panel 2 and a lower panel 3 which are welded and connected, and grooves 7 are fixedly formed in the upper panel 2 and the lower panel 3, so that the strength of the photovoltaic floating body module 1 formed by the upper panel 2 and the lower panel 3 is enhanced, and when floating on the sea, the photovoltaic floating body module 1 can bear larger bending moment and is not easy to damage; the periphery of each photovoltaic floating body module 1 is provided with a hinged connector 5, and the plurality of photovoltaic floating bodies are hinged through the hinged connectors 5, so that when the photovoltaic floating body system floats on the sea, the damage of the photovoltaic floating body system caused by sea wave fluctuation can be buffered through the structure of the hinged connectors 5, the wave resistance is enhanced, and the damage of the single photovoltaic floating body module 1 and the damage of the photovoltaic floating body system are avoided; one end of the connecting piece 4 is connected to the hinged connector 5 of the outermost photovoltaic floating body module 1, and the other end is connected to an offshore external fixed pile foundation; the photovoltaic floating body system can be fixed in a fixed area on the sea, and the photovoltaic floating body system is prevented from drifting, losing and damaging under the action of sea waves.
Preferably, the lower panels 3 of the upper panels 2 of the single photovoltaic floating body structure are connected by welding, a closed unit is formed between the welded upper panels 2 and the lower panels 3, and the grooves 7 below the upper panels 2 and above the lower panels 3 are positioned in the closed unit between the upper panels 2 and the lower panels 3.
Preferably, the upper panel 2 and the lower panel 3 are made of a metal material such as stainless steel plate, and the stainless steel plate is subjected to seawater corrosion and rust prevention treatment.
Specifically, as shown in fig. 2 and 5, the photovoltaic panel 6 is connected to the upper panel 2 of the photovoltaic floating body by lamination, so that the upper panel 2 and the photovoltaic panel 6 are formed into a whole structure, and the periphery and the bottom surface of the photovoltaic panel 6 are in contact with the upper panel 2 when lamination is performed. The upper panel 2 and the photovoltaic panel 6 are fixedly connected with each other after lamination, so that the problems that the photovoltaic panel 6 falls off and loosens when floating at sea are avoided, and the photovoltaic power generation efficiency is ensured. Preferably, the height of the laminated photovoltaic panel 6 coincides with the height of the upper panel 2, i.e. the upper surface of the photovoltaic panel 6 is flush with the upper surface of the upper panel 2; preferably, waterproof sealant is arranged at the contact part of the photovoltaic panel 6 and the upper panel 2, so that corrosion between the upper panel 2 and the lower panel 3 caused by back-flowing of seawater is avoided.
Alternatively, the upper panel 2 and the lower panel 3 may be in an open structure after being welded, that is, only the welded portions of the upper panel 2 and the lower panel 3 are in contact with each other to form a plurality of grooves 7 on the upper surface and the lower surface in contact with each other, or welded after the upper panel 2 and the lower panel 3 are connected by a metal member.
Specifically, as shown in fig. 3, 4 and 5, a plurality of grooves 7 are fixedly provided on each of the upper panel 2 and the lower panel 3 of the floating body. Specifically, the number of the grooves 7 includes, but is not limited to, one or more, may be provided as one or more, and when there are a plurality of grooves 7 on the upper and lower panels 2 and 3, the plurality of grooves 7 are uniformly spaced on the upper and lower panels 2 and 3. Preferably, the profile groove 7 is arranged below the upper panel 2 and above the lower panel 3, so that the profile groove 7 is positioned between the upper panel 2 and the lower panel 3, and the strength of the upper panel 2 and the lower panel 3 is further ensured, thereby enhancing the strength of the photovoltaic floating body.
Specifically, as shown in fig. 6, the number of the articulated connectors 5 on the single photovoltaic floating body is plural, preferably plural articulated connectors 5 are provided on the outer circumference of the photovoltaic floating body module 1, that is, the circumference of the photovoltaic floating body module 1, preferably, the circumference of the single photovoltaic floating body module 1 located at the intermediate position in the photovoltaic floating body system, at least two articulated connectors 5 are provided on each side, and the articulated connectors 5 are provided at uniform intervals on the side.
Preferably, when the hinged connector 5 is connected between two photovoltaic floating body modules 1, one end of the hinged connector is connected to one photovoltaic floating body module 1, and the other end of the hinged connector is connected to the other photovoltaic floating body module 1; when the hinge type connector is positioned at the outermost side, one end of the hinge type connector is connected to the single photovoltaic floating body module 1, and the other end of the hinge type connector is fixedly connected with one end of the connecting piece 4. Preferably, the hinge connector is connected to the middle part of the photovoltaic floating body module 1, and is connected with the photovoltaic floating body module 1 by adopting a threaded connection mode or a welding connection or hooking mode. In particular, the hinge-type connector is preferably a connector of a hinge-like structure, but the length and the size of the hinge are relatively large, and the two parts of the hinge can rotate 360 degrees along the axis of the hinge; optionally, the hinged connector 5 has a spring structure, namely, the two ends of the spring are respectively fixed with rust-proof anti-corrosion pipelines, and fluctuation caused by waves is balanced and eliminated through the springs between the pipelines, so that the photovoltaic floating body module 1 has better fluctuation; alternatively, the hinged connector may be of a construction in which a universal joint is provided between rigid pipes or links, such that the steering of the universal joint balances and dampens wave induced fluctuations. As shown in fig. 1, taking hinge type connector 5 as an example, through holes are respectively arranged on two opening and closing edges of the hinge, the hinge type connector 5 fixedly connects the hinge type connector 5 with the photovoltaic floating body module through a fastening bolt 9 and a fastening nut 10 penetrating through the through holes on the hinge, and preferably, fastening gaskets 8 are respectively arranged on two sides of the through holes of the hinge, so that the hinge type connector 5 is connected more firmly and reliably.
Specifically, after the hinge type connector is connected to the photovoltaic floating body module 1, the opening and closing direction or the moving direction of the hinge type connector is the up-and-down direction, namely, the opening and closing direction or the moving direction of the hinge type connector is consistent with the fluctuation direction of sea water waves on the sea surface, and the arrangement is such that when the photovoltaic floating body floats on the sea surface, the up-and-down fluctuation caused by the waves can be buffered and absorbed through the hinge type connector, so that the photovoltaic floating body system has better wave resistance.
Specifically, as shown in fig. 4, the direction of the grooves 7 on the upper and lower panels 2 and 3 is arbitrary, the number of the grooves 7 is plural, and the grooves 7 are uniformly distributed on the upper and lower panels 2 and 3. Preferably, the distribution direction of the profile grooves 7 on the upper panel 2 and the lower panel 3 is 45 degrees or 90 degrees.
Specifically, the shape of the profile groove 7 is any one of triangle, rectangle, trapezoid, semicircle or arc. Preferably, the shape of the shaped groove 7 is a rectangular structure, as shown in fig. 5, the shaped groove 7 of the rectangular structure may be a single rectangular wave-like structure, or a rectangular tubular structure, the shaped groove 7 may be connected on the upper panel 2 and the lower panel 3 by welding, or an integrally formed shaped groove 7 may be provided on the upper and lower panels 3, so that the upper panel 2 or the lower panel 3 has a protrusion or a recess of any one of a triangle, a rectangle, a trapezoid, a semicircle, or an arc shape.
Preferably, the grooves 7 of the upper panel 2 and the grooves 7 of the lower panel 3 are staggered in direction. So arranged, on the one hand, the gap between the upper panel 2 and the lower panel 3 is increased, so that the single photovoltaic floating body module 1 has better floatability; on the other hand, the strength of the photovoltaic floating body module 1 is increased, so that the photovoltaic floating body module 1 can bear larger bending moment in the process of floating at sea and is not easy to damage.
Specifically, the upper panel 2 is provided with 1 or more photovoltaic panels 6, and one or more photovoltaic panels 6 are connected with the upper panel 2 in a lamination manner; preferably, one photovoltaic panel 6 is provided on each upper panel 2, the size of the photovoltaic panel 6 being the same as the size of the upper panel 2.
Specifically, the connecting member 4 is a hinge or a steel chain subjected to rust-proof and corrosion-proof treatment.
Preferably, the shape of the profile groove 7 between the upper panel 2 and the lower panel 3 of the same photovoltaic floating body module 1 is identical.
In particular, the shape of a single photovoltaic group floating body module comprises, but is not limited to, a circle, a semicircle, a sector or a polygon, and the formed photovoltaic floating body system is not limited to the circle or the polygon; preferably, the single photovoltaic floating body module 1 has a rectangular structure, and the photovoltaic floating body system formed by the single photovoltaic floating body module has a rectangular structure.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.