A sea floating photovoltaic and wave energy power generation integrated device

Abstract

The application discloses a marine floating type photovoltaic and wave energy power generation integrated device, which comprises a floating body, a photovoltaic assembly, a wave energy conversion device and a connecting assembly. The floating body comprises an upper hemispherical shell and a lower hemispherical shell which are oppositely arranged and fixedly and sealingly connected. The upper hemispherical shell is semi-ellipsoidal, and the photovoltaic assembly is laid on the inner surface of the upper hemispherical shell. The opening of the lower hemispherical shell is gradually reduced from an ellipsoidal shape to a cylindrical shape towards the opposite end thereof, and the upper hemispherical shell and the lower hemispherical shell form a containing cavity. The wave energy conversion device comprises a floating cylinder, a connecting tray, a transmission mechanism and an energy conversion mechanism. The floating cylinder is arranged in the containing cavity, and the floating cylinder is fixedly connected with the upper hemispherical shell and the lower hemispherical shell through the connecting assembly. The connecting tray is fixedly installed at the cylindrical end of the lower hemispherical shell. One end of the transmission mechanism is fixedly connected with the connecting tray, and the other end of the transmission mechanism is communicated with the energy conversion mechanism, so that the seawater enters to convert the wave energy into electric energy.

Description

Technical Field

[0001] This invention relates to the field of marine energy development technology, specifically to a novel floating photovoltaic and wave energy power generation integrated device. Background Technology

[0002] Currently, with increasing energy demand and heightened environmental awareness, the development and utilization of renewable energy has become a global focus. Photovoltaic and wave energy, as two important renewable energy sources, have broad development prospects. However, traditional photovoltaic and wave energy generation devices both have some shortcomings:

[0003] 1. Traditional photovoltaic power generation devices mainly include solar panels, brackets and inverters, etc. They are usually deployed in calm waters to convert energy into static solar radiation. However, if such devices are placed in the marine environment, they are easily affected by wind and waves, which leads to a decrease in the stability and reliability of the devices, and even damages the components of the devices, affecting the power generation efficiency. Therefore, the application range of traditional photovoltaic power generation devices is limited and cannot make full use of the richer solar energy supply of the ocean.

[0004] 2. Traditional wave energy power generation devices typically include components such as pontoons, hydraulic cylinders, and turbines. The pontoons are exposed to the external environment and are susceptible to direct sunlight and seawater corrosion, which leads to aging and a short service life. In addition, the materials and treatment methods of the pontoons can easily pollute the environment and affect the health of the ecosystem. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a floating photovoltaic and wave energy power generation integrated device. By setting the photovoltaic modules and floats inside an ellipsoidal float, it solves the technical problems that existing photovoltaic power generation devices are only suitable for calm waters and cannot make full use of the abundant solar energy resources in the ocean, as well as the technical problems that existing wave energy power generation devices have floats that are prone to aging and environmental pollution.

[0006] To achieve the above-mentioned technical objectives, the present invention provides a floating photovoltaic and wave energy power generation integrated device, which includes a float, photovoltaic modules, wave energy conversion device and connecting components.

[0007] The floating body includes an upper hemispherical shell and a lower hemispherical shell with openings opposite each other and fixedly sealed to each other. The upper hemispherical shell is semi-ellipsoidal in shape. The photovoltaic module is laid on the inner surface of the upper hemispherical shell to convert solar energy into electrical energy. The opening of the lower hemispherical shell gradually narrows from an ellipsoidal shape to a cylindrical shape towards its opposite end. The upper and lower hemispherical shells form a receiving cavity.

[0008] The wave energy conversion device includes a float, a connecting tray, a transmission mechanism, and an energy conversion mechanism. The float is disposed in the receiving cavity and is fixedly connected to the upper and lower hemispheres respectively through the connecting assembly. The connecting tray is fixedly installed on the cylindrical end of the lower hemisphere. One end of the transmission mechanism is fixedly connected to the connecting tray, and the other end of the transmission mechanism is connected to the energy conversion mechanism so that seawater can enter and convert wave energy into electrical energy.

[0009] Preferably, the openings of the upper and lower hemispheres have corrugated edges with matching shapes.

[0010] Preferably, the connecting component includes an upper connecting component and a lower connecting component, wherein,

[0011] The upper connecting assembly includes a first main connecting body and a plurality of first auxiliary connecting bodies. The two ends of the first main connecting body are fixedly connected to the middle of the upper hemispherical shell and the top of the pontoon, respectively. The plurality of first auxiliary connecting bodies surround the first main connecting body, and their two ends are fixedly connected to the upper hemispherical shell and the top of the pontoon, respectively.

[0012] The lower connecting assembly includes a second main connecting body and a plurality of second auxiliary connecting bodies. The two ends of the second main connecting body are fixedly connected to the middle of the lower hemispherical shell and the bottom of the pontoon, respectively. The plurality of second auxiliary connecting bodies surround the second main connecting body, and their two ends are fixedly connected to the lower hemispherical shell and the bottom of the pontoon, respectively.

[0013] Preferably, the connecting tray is screwed to the cylindrical end of the lower hemisphere, or the connecting tray and the lower hemisphere are integrally formed.

[0014] Preferably, the transmission mechanism includes a transmission shaft, a hydraulic cylinder, and a rubber plug. The rubber plug is disposed in the hydraulic cylinder. One end of the transmission shaft is fixed to the connecting tray, and the other end is fixedly connected to the rubber plug, so that the rubber plug moves up and down in the hydraulic cylinder under the action of the transmission shaft.

[0015] Preferably, the hydraulic cylinder has a water inlet at the bottom and a water outlet on the side, and the water outlet is connected to the energy conversion mechanism via a hose.

[0016] Preferably, the transmission mechanism further includes buffer rings, which are respectively disposed on the inner and outer sides of the transmission shaft in contact with the hydraulic cylinder.

[0017] Preferably, the energy conversion mechanism includes a housing, a rotating impeller, a water distribution vane, and an electromagnetic induction generator. The housing has an inlet end and an outlet end. The inlet end of the housing is connected to the hydraulic cylinder through the hose, and its outlet end is connected to the water distribution vane. The rotating impeller is disposed inside the housing and is drivenly connected to the electromagnetic induction generator.

[0018] Preferably, the photovoltaic module includes a flexible solar panel and a controller that are electrically connected. The flexible solar panel is laid on the inner surface of the upper hemispherical shell, and the controller is disposed between the flexible solar panel and the pontoon and fixed to the pontoon.

[0019] Preferably, it also includes an anchoring assembly, which includes a cable and an anchor body, with both ends of the cable fixedly connected to the wave energy conversion device and the anchor body, respectively.

[0020] Compared with the prior art, the beneficial effects of the present invention mainly include:

[0021] This invention provides an integrated floating photovoltaic and wave energy power generation device, which integrates photovoltaic modules and wave energy conversion devices by placing the floats inside the floating body. Its beneficial effects are mainly reflected in the following two aspects:

[0022] 1. By placing the photovoltaic modules in the upper hemisphere shell of an ellipsoid, it can withstand the damage of wind and waves at sea, has better wind resistance characteristics, reduces the impact of sea waves and wind on the device under severe weather conditions, improves the stability of the device and its ability to withstand severe weather, and enables it to operate at sea, making full use of the richer solar energy supply from the ocean.

[0023] 2. By placing the float in a cavity composed of an upper hemisphere and a lower hemisphere, and fixing it to the upper and lower hemispheres respectively through connecting components, the float and the float body form an integrated structure. This structure can effectively reduce the impact of direct sunlight and seawater corrosion on the float through the protection of the float body, thereby improving the stability and service life of the device.

[0024] 3. By integrating photovoltaic modules and wave energy conversion devices into a single structure, the photovoltaic and wave energy resources in the ocean are fully utilized, thereby improving energy efficiency. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of the integrated device described in this invention;

[0026] Figure 2 This is an internal view of the float described in this invention;

[0027] Figure 3This is another internal view of the float described in this invention;

[0028] Figure 4 This is an internal view of the transmission mechanism described in this invention.

[0029] As shown in the figure:

[0030] 100 - Floating body, 110 - Upper hemispherical shell, 120 - Lower hemispherical shell;

[0031] 200 – Photovoltaic modules;

[0032] 300 - Wave energy conversion device, 310 - Float, 320 - Connecting tray, 330 - Transmission mechanism, 331 - Drive shaft, 332 - Hydraulic cylinder, 333 - Rubber plug, 334 - Buffer ring, 340 - Energy conversion mechanism, 341 - Outer shell, 342 - Rotating impeller, 343 - Water distribution blade, 344 - Electromagnetic induction generator;

[0033] 400 - Connecting assembly; 410 - Upper connecting assembly; 411 - First main connecting body; 412 - First auxiliary connecting body; 420 - Lower connecting assembly; 421 - Second main connecting body; 422 - Second auxiliary connecting body; 500 - Anchoring assembly; 510 - Cable; 520 - Anchor body. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0035] like Figures 1-4 As shown, this invention provides a floating photovoltaic and wave energy power generation integrated device for the sea. This device can effectively utilize solar and wave energy at sea to achieve sustainable energy power generation. The integrated device includes a float 100, photovoltaic modules 200, a wave energy conversion device 300, and connecting components 400. The float 100 is designed as an ellipsoid that can float stably at sea. The photovoltaic modules 200 and the wave energy conversion device 300 are connected to the float 100. With the stable buoyancy provided by the float 100, it can maximize the conversion of solar and wave energy into electrical energy to supply offshore equipment, nearby islands, or connect to the land power grid to meet power demand, effectively utilizing marine resources.

[0036] The float 100 is made of rigid transparent plastic, which allows sunlight to pass through. The float 100 consists of an upper hemispherical shell 110 and a lower hemispherical shell 120 with openings facing each other and fixedly sealed to each other. The upper hemispherical shell 110 is semi-ellipsoidal, with a large light-receiving area and good stability. Photovoltaic modules 200 are laid on the inner surface of the upper hemispherical shell 110, which can receive sunlight to the maximum extent and convert solar energy into electrical energy. The opening of the lower hemispherical shell 120 gradually narrows from an ellipsoidal shape to a cylindrical shape towards its opposite end, and the upper hemispherical shell 110 and the lower hemispherical shell 120 form a receiving cavity.

[0037] The wave energy conversion device 300 includes a float 310, a connecting tray 320, a transmission mechanism 330, and an energy conversion mechanism 340. The float 310 is disposed in the receiving cavity formed by the upper hemisphere 110 and the lower hemisphere 120, and the float 310 is fixedly connected to the upper hemisphere 110 and the lower hemisphere 120 respectively through a connecting assembly 400. The connecting tray 320 is fixedly installed on the cylindrical end of the lower hemisphere 120. One end of the transmission mechanism 330 is fixedly connected to the connecting tray 320, and the other end of the transmission mechanism 330 is connected to the energy conversion mechanism 340. The transmission mechanism 330 moves under the drive of the float 310, pressing the seawater in the transmission mechanism 330 into the energy conversion mechanism 340, thus converting wave energy into electrical energy.

[0038] In the above-mentioned technical solution of the present invention, the photovoltaic module 200 is disposed on the inner surface of the upper hemispherical shell 110, and together with the float 310 and the lower hemispherical shell 120, it forms an ellipsoidal overall structure, which makes the device have better wind resistance characteristics, can reduce the force of wind on the device under severe weather conditions, thereby improving the stability of the device and its ability to resist severe weather, enabling the device to be used in harsh marine environments, so as to make full use of the abundant sunlight resources of the ocean; and the ellipsoidal design of the device surface is relatively smooth, and it is not easy to accumulate dust and debris, which means that the device has lower requirements for cleaning and maintenance during operation. In contrast, the flat surface of traditional photovoltaic devices is more likely to attract dust, requiring more frequent cleaning and maintenance, which increases the cost of operation and maintenance and the investment of human resources.

[0039] Meanwhile, the present invention places the float 310 in the receiving cavity formed by the upper and lower hemispherical shells and fixes it by the connecting component 400, which effectively reduces direct sunlight and seawater corrosion, thereby protecting the service life of the float 310 and reducing the frequency and cost of replacement and maintenance.

[0040] It should be noted that the photovoltaic module 200 in the technical solution of this invention is a commonly used module in the art, typically including a flexible solar panel and a controller electrically connected. The flexible solar panel is laid on the inner surface of the upper hemispherical shell 110, and the controller is disposed between the flexible solar panel and the float 310 and is fixed, including being fixed to the float 310 or the upper hemispherical shell 110. The controller includes components such as a photoelectric converter, a battery pack, and a power regulator. The photoelectric converter is used to convert solar energy into electrical energy and store it in the battery pack, while the power regulator is used to regulate and stabilize the output electrical energy. When light shines on the flexible solar panel, electrons and positive holes are generated to form a current. These currents are transmitted through the interconnected battery panel wires to the photoelectric converter for conversion into electrical energy and storage.

[0041] Specifically, in order to enable the float 100 of the present invention to oscillate better with the waves, we designed the openings of the upper hemispherical shell 110 and the lower hemispherical shell 120 as corrugated edges with matching shapes. This corrugated edge segmentation can undulate with the seawater, thereby realizing energy conversion.

[0042] In this invention, the key to integrating the photovoltaic module 200 and the wave energy conversion device 300 into a single power generation device lies in fixing both to the floating body 100, and the connecting component 400 achieves this purpose. Specifically, as shown... Figure 2 and 3 As shown, the connecting component 400 includes an upper connecting component 410 and a lower connecting component 420, wherein:

[0043] The upper connecting assembly 410 includes a first main connecting body 411 and a plurality of first auxiliary connecting bodies 412. The two ends of the first main connecting body 411 are fixedly connected to the middle of the top of the upper hemispherical shell 110 and the float 310, respectively. The plurality of first auxiliary connecting bodies 412 surround the first main connecting body 411, and their two ends are fixedly connected to the top of the upper hemispherical shell 110 and the float 310, respectively. In this embodiment, the number of first auxiliary connecting bodies 412 is six.

[0044] The lower connecting assembly 420 includes a second main connecting body 421 and multiple second auxiliary connecting bodies 422. The two ends of the second main connecting body 421 are fixedly connected to the middle of the bottom of the lower hemispherical shell 120 and the float 310, respectively. The multiple second auxiliary connecting bodies 422 surround the second main connecting body 421, with their two ends fixedly connected to the bottom of the lower hemispherical shell 120 and the float 310, respectively. In other words, the float 310 is fixedly connected to the upper hemispherical shell 110 via the upper connecting assembly 410, and to the lower hemispherical shell 120 via the lower connecting assembly 420, thus integrating with the float 100 and the photovoltaic module 200 into a single integrated device.

[0045] Specifically, in order to connect the transmission mechanism 330 and the energy conversion mechanism 340, we designed a connecting tray 320. Furthermore, the connecting tray 320 can be screwed to the cylindrical end of the lower hemispherical shell 120, or the connecting tray 320 and the lower hemispherical shell 120 can be designed as an integral structure.

[0046] Specifically, in order to strengthen the connection between the connecting tray 320 and the transmission mechanism 330, we also provide multiple reinforcing ribs on the lower surface of the connecting tray 320 to ensure the stable operation of the transmission mechanism 330.

[0047] Specifically, such as Figure 4 As shown, the transmission mechanism 330 includes a transmission shaft 331, a hydraulic cylinder 332, and a rubber plug 333. The top end of the transmission shaft 331 is fixed on the connecting tray 320, and the bottom end of the transmission shaft 331 is connected to the rubber plug 333. The rubber plug 333 is disposed in the hydraulic cylinder 332. Thus, when the float 100 swings up and down with the waves, it can drive the transmission shaft 331 to move up and down, thereby driving the rubber plug 333 to move up and down in the hydraulic cylinder 332.

[0048] Meanwhile, the bottom of the hydraulic cylinder 332 has a water inlet and the side has a water outlet. The water outlet is connected to the energy conversion mechanism 340 through a hose. The seawater that enters the hydraulic cylinder 332 through the water inlet is pushed by the rubber plug 333 and enters the energy conversion mechanism 340 through the hose to convert wave energy into electrical energy.

[0049] Understandably, the inlet of the hydraulic cylinder 332 can be set to multiple as needed to control the flow rate and pressure of seawater.

[0050] Specifically, the transmission mechanism 330 also includes a buffer ring 334, which is respectively disposed on the inner and outer sides of the transmission shaft 331 in contact with the hydraulic cylinder 332.

[0051] Specifically, the energy conversion mechanism 340 includes a housing 341, a rotating impeller 342, a water-distributing blade 343, and an electromagnetic induction generator 344. The housing 341 has an inlet end and an outlet end. The inlet end of the housing 341 is connected to the hydraulic cylinder 332 via a hose, and its outlet end is connected to the water-distributing blade 343. The rotating impeller 342 is located inside the housing 341 and is drivenly connected to the electromagnetic induction generator 344. Seawater squeezed from the hydraulic cylinder 332 into the housing 341 can drive the rotating impeller 342 to rotate, thereby driving the electromagnetic induction generator 344 to rotate and generate electrical energy. The water flows through the outlet end at the bottom of the housing 341 to the water-distributing blade 343 and is dispersed into the seawater.

[0052] It is understood that the energy conversion mechanism 340 in the technical solution of the present invention can be a water turbine.

[0053] In addition, the integrated device provided by the present invention also includes an anchoring component 500, which includes a cable 510 and an anchor body 520. The two ends of the cable 510 are fixedly connected to the wave energy conversion device 300 and the anchor body 520, respectively. Specifically, one end of the cable 510 is fixed to the hydraulic cylinder 332, and the other end is fixed to the anchor body 520. This is used to fix the position of the device and prevent it from drifting or moving under the action of waves or wind, so as to maintain the stability and operating efficiency of the system.

[0054] In practical applications, the floating photovoltaic and wave energy power generation integrated device provided by the present invention can also be in the form of multiple floats 100. The multiple floats 100 can be connected by a hinge, and the hinge can be set on the outer wall of the float 310 at the division between the upper hemisphere 110 and the lower hemisphere 120.

[0055] The floating photovoltaic and wave energy power generation integrated device provided by this invention has the following beneficial effects:

[0056] 1. It can withstand the effects of severe weather at sea, and has a wider range of applications.

[0057] This invention improves the wind resistance characteristics of the device by designing the float 100 as an ellipsoid, enabling the device to better resist the impact of wind and waves at sea, thereby improving the stability of the device and its ability to withstand severe weather. This allows it to operate stably in harsh marine environments, not only in calm seas but also in floating oceans.

[0058] Meanwhile, the ocean has a longer sunshine duration, and compared with land and other waters, the ocean has a longer solar energy absorption time. Therefore, applying the device of the present invention to the ocean can make full use of the characteristics of marine resources, maximize the absorption and utilization of solar energy, and improve the energy absorption and utilization efficiency.

[0059] In addition, the lapping action of seawater can remove most of the heat, giving the device an advantage in heat dissipation. Compared with floating photovoltaic power generation devices on land, the device at sea can better solve the heat dissipation problem, ensuring that the temperature of the solar panels does not get too high, thereby improving power generation efficiency and reliability.

[0060] 2. Reduce operating and maintenance costs.

[0061] Traditional floating photovoltaic (PV) power generation devices often accumulate dust and debris on their solar panel surfaces during operation, leading to decreased energy absorption efficiency and requiring regular cleaning and maintenance. However, the device of this invention employs an ellipsoidal design with a relatively smooth surface that is less prone to dust and debris accumulation. This means that the device requires less cleaning and maintenance during operation, which will positively impact its economic viability and long-term operating costs. Furthermore, reduced cleaning and maintenance operations also reduce potential risks to personnel safety; and the ellipsoidal design also reduces the surface area in contact with seawater, minimizing the impact of seawater corrosion and further lowering operating and maintenance costs.

[0062] 3. To prevent buoy aging and environmental pollution.

[0063] This invention employs an integrated design, placing the float 310 inside the float body 100, effectively reducing direct sunlight and seawater corrosion, thereby protecting the service life of the float 310. Furthermore, this invention utilizes environmentally friendly materials and processing methods, minimizing adverse impacts on the marine ecosystem.

[0064] 4. It makes full use of wave energy.

[0065] The device of this invention employs a side corrugated thread design and a floating body 100 that moves up and down, thereby effectively utilizing wave energy at sea to generate electricity. When waves pass through the device, the floating body 100 moves up and down with the waves, thereby driving the drive shaft 331 to compress the seawater in the hydraulic cylinder 332, which in turn drives the rotating impeller 342 to rotate. This rotation drives the electromagnetic induction generator 344 to operate, thereby generating electrical energy. The device of this invention achieves energy diversification and sustainability. In addition to solar energy, the device can also make full use of wave energy to provide an additional energy source and increase the stability and reliability of energy.

[0066] 5. The anchoring components 500 ensure the stability of the device and prevent it from drifting or moving under the action of waves or wind. This design ensures the safe operation and high efficiency of the device.

[0067] 6. Improved energy utilization efficiency.

[0068] The device of the present invention integrates the photovoltaic module 200 and the wave energy conversion device 300 into an integrated power generation device, which not only makes full use of solar energy, but also utilizes wave energy resources. Compared with traditional photovoltaic power generation devices and wave energy power generation devices, the integrated device significantly improves the utilization rate of marine energy.

[0069] In summary, the floating photovoltaic and wave energy power generation integrated device provided by this invention combines photovoltaic power generation and wave energy power generation technologies. Through innovative designs such as ellipsoidal design and integrated structure, it overcomes the limitations of traditional devices, improves energy conversion efficiency, and adapts to the challenges of the marine environment. This device has high power generation efficiency, stability, and environmental friendliness, and has broad application prospects.

[0070] The specific embodiments of the present invention described above do not constitute a limitation on the scope of protection of the present invention. Any other corresponding changes and modifications made in accordance with the technical concept of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A floating photovoltaic and wave energy power generation integrated device for marine applications, characterized in that, Includes floating bodies, photovoltaic modules, wave energy conversion devices, and connecting components; The floating body includes an upper hemispherical shell and a lower hemispherical shell with openings opposite each other and fixedly and sealed to each other. The upper hemispherical shell is semi-ellipsoidal. The photovoltaic module is laid on the inner surface of the upper hemispherical shell to convert solar energy into electrical energy. The opening of the lower hemispherical shell gradually narrows from an ellipsoidal shape to a cylindrical shape towards its opposite end. The upper and lower hemispherical shells form a receiving cavity. The wave energy conversion device includes a float, a connecting tray, a transmission mechanism, and an energy conversion mechanism. The float is disposed in the receiving cavity and is fixedly connected to the upper hemisphere and the lower hemisphere respectively through the connecting assembly. The connecting tray is fixedly installed on the cylindrical end of the lower hemisphere. One end of the transmission mechanism is fixedly connected to the connecting tray, and the other end of the transmission mechanism is connected to the energy conversion mechanism so that seawater can enter and convert wave energy into electrical energy. The transmission mechanism includes a transmission shaft, a hydraulic cylinder, and a rubber plug. The rubber plug is disposed in the hydraulic cylinder. One end of the transmission shaft is fixed to the connecting tray, and the other end is fixedly connected to the rubber plug, so that the rubber plug moves up and down in the hydraulic cylinder under the action of the transmission shaft. The hydraulic cylinder has a water inlet at the bottom and a water outlet on the side, and the water outlet is connected to the energy conversion mechanism via a hose. The energy conversion mechanism includes a housing, a rotating impeller, a water distribution vane, and an electromagnetic induction generator. The housing has an inlet end and an outlet end. The inlet end of the housing is connected to the hydraulic cylinder through the hose, and its outlet end is connected to the water distribution vane. The rotating impeller is disposed inside the housing and is drivenly connected to the electromagnetic induction generator.

2. The marine floating photovoltaic and wave energy power generation integrated device according to claim 1, characterized in that, The openings of the upper and lower hemispheres are corrugated edges with matching shapes.

3. The marine floating photovoltaic and wave energy power generation integrated device according to claim 2, characterized in that, The connecting component includes an upper connecting component and a lower connecting component, wherein, The upper connecting assembly includes a first main connecting body and a plurality of first auxiliary connecting bodies. The two ends of the first main connecting body are fixedly connected to the middle of the upper hemispherical shell and the top of the pontoon, respectively. The plurality of first auxiliary connecting bodies surround the first main connecting body, and their two ends are fixedly connected to the upper hemispherical shell and the top of the pontoon, respectively. The lower connecting assembly includes a second main connecting body and a plurality of second auxiliary connecting bodies. The two ends of the second main connecting body are fixedly connected to the middle of the lower hemispherical shell and the bottom of the pontoon, respectively. The plurality of second auxiliary connecting bodies surround the second main connecting body, and their two ends are fixedly connected to the lower hemispherical shell and the bottom of the pontoon, respectively.

4. The marine floating photovoltaic and wave energy power generation integrated device according to claim 1, characterized in that, The connecting tray is screwed to the cylindrical end of the lower hemisphere, or the connecting tray and the lower hemisphere are integrally formed.

5. The marine floating photovoltaic and wave energy power generation integrated device according to claim 4, characterized in that, The transmission mechanism also includes buffer rings, which are respectively disposed on the inner and outer sides of the transmission shaft in contact with the hydraulic cylinder.

6. The marine floating photovoltaic and wave energy power generation integrated device according to claim 1, characterized in that, The photovoltaic module includes a flexible solar panel and a controller that are electrically connected. The flexible solar panel is laid on the inner surface of the upper hemispherical shell, and the controller is disposed between the flexible solar panel and the pontoon and is fixed to the pontoon.

7. The marine floating photovoltaic and wave energy power generation integrated device according to claim 1, characterized in that, It also includes an anchoring assembly, which includes a cable and an anchor body, with the two ends of the cable being fixedly connected to the wave energy conversion device and the anchor body, respectively.

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