Integrated power generation system of floating type offshore photovoltaic and swing type wave energy device

Abstract

The invention provides an integrated power generation system of a floating type offshore photovoltaic device and a swing type wave energy device. In the system, a floating type offshore photovoltaic support comprises a plurality of steel frames and buoys arranged at the bottoms of the steel frames to provide buoyancy, and a photovoltaic power generation panel is supported on the floating type offshore photovoltaic support; the swing type wave energy power generation systems are arranged at the front end and the rear end of the floating type offshore photovoltaic power generation system respectively, the buoyancy pendulum swings along with wave movement, the rotating rod is connected with and restrains the buoyancy pendulum, the anchoring structure is connected with the rotating rod, and liquid is arranged in the mooring rope hydraulic cylinder. The piston rod is hinged to the buoyancy pendulum and moves relative to the hydraulic cylinder to press in or extract liquid in the hydraulic cylinder, the generator is connected with the hydraulic cylinder through the oil conveying hole to lead the liquid into the generator or lead the liquid out of the generator, the generator comprises a coil and a permanent magnet, and the coil rotates through flowing of the liquid to cut magnetic induction lines to generate electricity. According to the system, the wave load acting on the floating type offshore photovoltaic system is reduced, and the utilization efficiency of offshore energy is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of offshore power generation, and in particular to an integrated power generation system of a floating offshore photovoltaic and swaying wave energy device. Background Art

[0002] With the maturity of solar power generation technology, the cost of the photovoltaic power generation industry has gradually decreased. As an emerging photovoltaic power generation technology, the offshore floating photovoltaic power generation system not only overcomes the impact of ground photovoltaics being restricted by land resources, but also can make full use of the abundant solar energy resources in coastal areas, greatly alleviating the electricity pressure of coastal residents. Faced with the depletion of traditional energy, the research on new energy is not limited to wind and solar energy. Wave energy in the ocean is not only unaffected by climate, but also has an energy density far greater than wind and solar energy. This field urgently needs to couple integrated power generation of marine energy to improve energy efficiency.

[0003] The above information disclosed in this Background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not form the prior art that is already known to a person of ordinary skill in the art. Summary of the invention

[0004] The purpose of the present invention is to provide an integrated power generation system of a floating offshore photovoltaic and a swaying wave energy device, which not only simultaneously utilizes the abundant solar energy resources and wave energy resources in the ocean, but also the swaying wave energy device reduces the wave load acting on the floating offshore photovoltaic, thereby improving the utilization efficiency of offshore energy, reducing the impact of waves, and improving stability and safety.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] An integrated power generation system of a floating offshore photovoltaic and swaying wave energy device of the present invention comprises:

[0007] A floating offshore photovoltaic power generation system comprises a plurality of array unit modules, wherein the unit modules include:

[0008] The floating offshore photovoltaic support includes a plurality of steel frames and a buoy provided at the bottom of the steel frames to provide buoyancy.

[0009] A photovoltaic power generation panel is supported on the floating offshore photovoltaic support.

[0010] A mooring cable connected to the floating offshore photovoltaic support;

[0011] A pair of swaying wave energy power generation systems are respectively arranged at the front and rear ends of the floating offshore photovoltaic power generation system, and the swaying wave energy power generation system includes:

[0012] A buoyant pendulum, which swings with the motion of the waves,

[0013] a rotating rod that connects and constrains the buoyant pendulum,

[0014] an anchoring structure connecting the rotating rod and the mooring line,

[0015] A hydraulic power generation device comprising:

[0016] A hydraulic cylinder, which contains a liquid,

[0017] a piston rod, which is hinged to the buoyancy pendulum and moves relative to the hydraulic cylinder to press into or extract the liquid in the hydraulic cylinder,

[0018] The generator is connected to the hydraulic cylinder via an oil delivery hole to introduce liquid into the generator or to export liquid out of the generator. The generator comprises a coil and a permanent magnet. The coil rotates due to the flow of liquid to cut the magnetic flux lines to generate electricity.

[0019] In the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, the hydraulic power generation device also includes a transformer, which is connected to the coil via a wire to transmit electrical energy to the transformer, and the electrical energy is transported from the seabed to land over a long distance after being regulated by the transformer.

[0020] In the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, the steel frame includes a bottom surface formed by horizontal support rods and an oblique support structure obliquely connected to the horizontal support rods.

[0021] In the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, the oblique support structure is a triangular sun-facing support.

[0022] In the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, three triangular sun-facing brackets are directly connected to every two buoys, and the three triangular sun-facing brackets fix two photovoltaic panels.

[0023] In the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, the buoy is made of glass fiber reinforced plastic.

[0024] In the integrated power generation system of a floating offshore photovoltaic and swaying wave energy device, eight photovoltaic power generation panels are arrayed on the floating offshore photovoltaic support.

[0025] In the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, the floating offshore photovoltaic power generation system includes 2*2 unit modules.

[0026] In the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, the unit modules are connected by rubber belts.

[0027] In the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device is a symmetrical structure.

[0028] In the above technical solution, the integrated power generation system of a floating offshore photovoltaic and a swaying wave energy device provided by the present invention has the following beneficial effects: the integrated power generation system of a floating offshore photovoltaic and a swaying wave energy device realizes floating offshore photovoltaic power generation, and utilizes the energy generated by the waves at sea. Through the movement of the buoyancy pendulum in the swaying wave energy power generation system, the waves at the front and rear ends of the floating offshore photovoltaic power generation system can be broken, reducing the wave load acting on the floating offshore photovoltaic power generation system, and reducing the mooring tension caused by the wave load, thereby slowing down the fatigue damage of the mooring. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0030] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0031] Figure 2 It is a schematic diagram of a swaying wave energy power generation system;

[0032] Figure 3 is a schematic diagram of a generator;

[0033] In the figure, 1-1 is a photovoltaic panel, 1-2 is a floating offshore photovoltaic support, 1-3 is a mooring cable, 2-1 is a buoyant pendulum, 2-2 is a piston rod, 2-3 is a hydraulic cylinder, 2-4 is a generator, 2-5 is a transformer, 2-6 is a rotating rod, 2-7 is an anchoring structure, 3-1 is a coil, 3-2 is a permanent magnet, 3-3 is a conductor, and 3-4 is an oil delivery hole. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0039] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0042] See also Figure 1-3 As shown, in one embodiment, an integrated power generation system of a floating offshore photovoltaic and swaying wave energy device of the present invention comprises:

[0043] A floating offshore photovoltaic power generation system comprises a plurality of array unit modules, wherein the unit modules include:

[0044] The floating offshore photovoltaic support 1-2 includes a plurality of steel frames and a buoy provided at the bottom of the steel frames to provide buoyancy.

[0045] The photovoltaic power generation panel 1-1 is supported by the floating offshore photovoltaic support 1-2.

[0046] A mooring cable 1-3, which is connected to the floating offshore photovoltaic support 1-2;

[0047] A pair of swaying wave energy power generation systems are respectively arranged at the front and rear ends of the floating offshore photovoltaic power generation system, and the swaying wave energy power generation system includes:

[0048] The buoyancy pendulum 2-1 swings with the wave motion.

[0049] The rotating rod 2-6 is connected to and constrains the buoyant pendulum 2-1,

[0050] An anchoring structure 2-7, which connects the rotating rod 2-6 and the mooring line 1-3,

[0051] A hydraulic power generation device comprising:

[0052] The hydraulic cylinder 2-3 has a liquid inside.

[0053] The piston rod 2-2 is hinged to the buoyancy pendulum 2-1 and moves relative to the hydraulic cylinder 2-3 to press or extract the liquid in the hydraulic cylinder 2-3,

[0054] The generator 2-4 is connected to the hydraulic cylinder 2-3 via the oil delivery hole 3-4 to introduce liquid into the generator 2-4 or to export liquid out of the generator 2-4. The generator 2-4 includes a coil 3-1 and a permanent magnet 3-2. The coil 3-1 rotates through the flow of liquid to cut the magnetic flux lines to generate electricity.

[0055] In a preferred embodiment of the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, the hydraulic power generation device also includes a transformer 2-5, which is connected to the coil 3-1 via a wire 3-3 to transmit electrical energy to the transformer 2-5, and the electrical energy is regulated by the transformer 2-5 to transport the electrical energy from the seabed to the land over a long distance.

[0056] In a preferred embodiment of the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, the steel frame includes a bottom surface formed by horizontal support rods and an oblique support structure obliquely connected to the horizontal support rods.

[0057] In a preferred embodiment of the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, the oblique support structure is a triangular sun-facing support.

[0058] In a preferred embodiment of the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, three triangular sun-facing brackets are directly connected to every two buoys, and the three triangular sun-facing brackets fix two photovoltaic panels 1-1.

[0059] In a preferred embodiment of the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, the buoy is made of glass fiber reinforced plastic.

[0060] In a preferred embodiment of the integrated power generation system of a floating offshore photovoltaic and swaying wave energy device, eight photovoltaic panels 1-1 are arrayed on a floating offshore photovoltaic support 1-2.

[0061] In a preferred embodiment of the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, the floating offshore photovoltaic power generation system includes 2*2 unit modules.

[0062] In a preferred embodiment of the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, the unit modules are connected by rubber belts.

[0063] In a preferred embodiment of the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device, the integrated power generation system of the floating offshore photovoltaic and swaying wave energy device is a symmetrical structure.

[0064] In one embodiment, in an integrated power generation system of a floating offshore photovoltaic and a swinging wave energy device, the floating offshore photovoltaic power generation system is composed of 2*2 unit modules, each unit module is composed of a photovoltaic power generation panel 1-1, a floating offshore photovoltaic bracket 1-2, and a mooring system, the floating offshore photovoltaic power generation unit modules are connected by rubber belts, and the floating offshore photovoltaic bracket 1-2 is connected to an anchoring structure 2-7 on the seabed by a mooring cable 1-3 and fixed. The swinging wave energy power generation system comprises a buoyancy pendulum 2-1, a hydraulic power generation device and a rotating rod 2-6. The piston rod 2-2 in the hydraulic power generation device is hingedly connected to the buoyancy pendulum 2-1. The buoyancy pendulum 2-1 is driven to rotate by wave movement. The rotation of the buoyancy pendulum 2-1 drives the piston rod 2-2 in the hydraulic power generation device to move up and down. By continuously pressing and extracting the liquid in the hydraulic cylinder 2-3, the flow of the liquid drives the coil 3-1 to rotate and cut the magnetic flux lines, thereby converting the wave energy into electrical energy. The electrical energy is transported from the seabed to the land over a long distance through the transformer 2-5. Through the movement of the buoyancy pendulum 2-1 in the swinging wave energy power generation system, the waves at the front and rear ends of the floating offshore photovoltaic power generation system can be broken, thereby reducing the wave load acting on the floating offshore photovoltaic power generation system and reducing the mooring tension caused by the wave load, thereby alleviating the fatigue damage of the mooring.

[0065] In one embodiment, the floating offshore photovoltaic support is fixed by a mooring cable connected to an anchoring structure 2-7 on the seabed. Through the movement of the buoyancy pendulum in the swing wave energy power generation system, the waves at the front and rear ends of the floating offshore photovoltaic power generation system can be broken, reducing the wave load acting on the floating offshore photovoltaic power generation system.

[0066] In one embodiment, a floating offshore photovoltaic power generation system is composed of 2*2 unit modules, each unit module is composed of a photovoltaic panel 1-1, a floating offshore photovoltaic bracket 1-2, and a mooring cable 1-3. The floating offshore photovoltaic power generation unit modules are connected by rubber belts, and the floating photovoltaic bracket 1-2 is fixed to an anchoring structure 2-7 on the seabed by a mooring cable 1-3.

[0067] like Figure 1 , Figure 2 As shown, the swinging wave energy power generation system is arranged at the front and rear ends of the floating offshore photovoltaic power generation system, including a buoyancy pendulum 2-1, a hydraulic power generation device and a rotating rod 2-6. The buoyancy pendulum 2-1 is constrained by the rotating rod 2-6, and the rotating rod 2-6 shares a set of anchoring structures 2-7 with the mooring cables 1-3 at the front and rear ends.

[0068] like Figure 2 , Figure 3As shown, the hydraulic power generation device is composed of a piston rod 2-2, a hydraulic cylinder 2-3, a generator 2-4 and a transformer 2-5. The piston rod 2-2 is hingedly connected to the buoyancy pendulum 2-1. The generator 2-4 is composed of a coil 3-1, a permanent magnet 3-2 and a wire 3-3. The buoyancy pendulum 2-1 drives the piston rod 2-2 to move up and down. The piston rod continuously presses and extracts the liquid in the hydraulic cylinder 2-3. The liquid enters the generator 2-4 through the oil delivery hole 3-4. The flow of liquid drives the coil 3-1 to rotate and cut the magnetic flux lines to generate electricity. The electric energy is transported to the transformer 2-5 through the wire 3-3. After being regulated by the transformer 2-5, the electric energy is transported from the seabed to the land over a long distance.

[0069] like Figure 1 , Figure 2 , Figure 3 As shown, the light energy + wave energy integrated power generation feature, the floating offshore photovoltaic power generation system absorbs solar energy to generate electricity; the wave movement drives the buoyancy pendulum 2-1 to rotate under the constraint of the rotating rod 2-6, the rotation of the buoyancy pendulum 2-1 drives the piston rod 2-2 to move up and down, the liquid enters the generator 2-4 through the oil delivery hole 3-4, the liquid flow drives the coil 3-1 to rotate to cut the magnetic flux lines to generate electricity, and the wave energy is converted into electrical energy, and the electrical energy is transported to the transformer 2-5 through the wire 3-3, and the electrical energy is regulated by the transformer 2-5 to be transported from the seabed to the land over a long distance.

[0070] Finally, it should be noted that the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present application.

[0071] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An integrated power generation system of a floating offshore photovoltaic and swaying wave energy device, characterized in that: These include, A floating offshore photovoltaic power generation system comprises a plurality of array unit modules, wherein the unit modules include: The floating offshore photovoltaic support includes a plurality of steel frames and a buoy provided at the bottom of the steel frames to provide buoyancy. A photovoltaic power generation panel is supported on the floating offshore photovoltaic support. A mooring cable connected to the floating offshore photovoltaic support; A pair of swaying wave energy power generation systems are respectively arranged at the front and rear ends of the floating offshore photovoltaic power generation system, and the swaying wave energy power generation system includes: A buoyant pendulum, which swings with the motion of the waves, a rotating rod that connects and constrains the buoyant pendulum, an anchoring structure connecting the rotating rod and the mooring line, A hydraulic power generation device comprising: A hydraulic cylinder, which contains a liquid, a piston rod, which is hinged to the buoyancy pendulum and moves relative to the hydraulic cylinder to press into or extract the liquid in the hydraulic cylinder, The generator is connected to the hydraulic cylinder via an oil delivery hole to introduce liquid into the generator or to export liquid out of the generator. The generator comprises a coil and a permanent magnet. The coil rotates due to the flow of liquid to cut the magnetic flux lines to generate electricity.

2. The integrated power generation system of a floating offshore photovoltaic and swaying wave energy device according to claim 1 is characterized in that: The hydraulic power generation device further includes a transformer, which is connected to the coil via a wire to transmit electrical energy to the transformer, and the electrical energy is regulated by the transformer and transported from the seabed to the land over a long distance.

3. The integrated power generation system of a floating offshore photovoltaic and swaying wave energy device according to claim 1 is characterized in that: The steel frame comprises a bottom surface formed by horizontal support rods and an oblique support structure obliquely connected to the horizontal support rods.

4. The integrated power generation system of a floating offshore photovoltaic and swaying wave energy device according to claim 3 is characterized in that: The oblique supporting structure is a triangular sun-facing bracket.

5. The integrated power generation system of a floating offshore photovoltaic and swaying wave energy device according to claim 3 is characterized in that: Three triangular sun-facing brackets are directly connected to every two buoys, and the three triangular sun-facing brackets fix two photovoltaic panels.

6. The integrated power generation system of a floating offshore photovoltaic and swaying wave energy device according to claim 1 is characterized in that: The buoy is made of glass fiber reinforced plastic.

7. The integrated power generation system of a floating offshore photovoltaic and swaying wave energy device according to claim 1 is characterized in that: The floating offshore photovoltaic support is equipped with eight photovoltaic panels.

8. The integrated power generation system of a floating offshore photovoltaic and swaying wave energy device according to claim 1 is characterized in that: The floating offshore photovoltaic power generation system includes 2*2 unit modules.

9. The integrated power generation system of a floating offshore photovoltaic and swaying wave energy device according to claim 1, characterized in that: The unit modules are connected by rubber belts.

10. The integrated power generation system of a floating offshore photovoltaic and swaying wave energy device according to claim 1, characterized in that: The integrated power generation system of the floating offshore photovoltaic and swaying wave energy device is a symmetrical structure.

Images