Ocean energy comprehensive utilization floating energy island device and its operation and maintenance method

Abstract

The present application relates to the field of ocean energy development, and provides a kind of ocean energy comprehensive utilization floating energy island device and its working and maintenance method, integrated arrangement large offshore wind turbine, solar power generation module, tidal current power generation module and wave power generation module, as well as hydrogen energy, synthetic fuel and biomass energy production module, realize the comprehensive utilization and complement of multiple ocean energy, and have the function of quick operation and risk avoidance maintenance, can solve the problems of poor power generation stability, low power density and small adaptation range of traditional ocean energy utilization device.

Description

Technical Field

[0001] This invention relates to the field of marine energy development, specifically to a floating energy island device for comprehensive utilization of marine energy and its operation and maintenance methods. Background Technology

[0002] my country's eastern coastal regions are economically developed and are major energy importers, resulting in huge energy consumption and a long-term tight energy supply. Furthermore, they are constrained by energy-exporting western regions and lack emergency energy supplies, making the establishment of large-scale energy bases urgently needed. Developing marine renewable energy sources, including offshore wind, solar, wave, and tidal power, tailored to local conditions, can effectively replace fossil fuels, reduce energy dependence on foreign sources, and gradually achieve energy self-sufficiency. However, current marine renewable energy development primarily focuses on single-energy power generation devices, such as offshore wind power platforms and tidal power barges. These methods suffer from poor power generation stability, low power density, difficulties in construction or deployment, and damage from adverse sea conditions.

[0003] To address the aforementioned challenges in marine energy development, existing technology CN110945234A proposes a marine energy island device. This device integrates and utilizes marine energy by arranging wind turbines, solar panels (500 units), and tidal current generators on a hexagonal semi-submersible platform. However, this device uses a large hexagonal semi-submersible platform, lacks self-propulsion capability, and has poor towing maneuverability, making it unsuitable for nearshore tidal waters. Existing technology CN114537607A proposes a floating wind turbine-hydrogen integrated device. This device arranges wind turbines, solar panels (500 units), and seawater desalination hydrogen production equipment on a triangular floating foundation, enabling on-site hydrogen production and storage from offshore wind and solar energy. However, this device does not integrate tidal and wave energy generation equipment, resulting in low power density and lack of maneuverability. Existing technology CN217206714U proposes a… This type of offshore multi-energy complementary power generation integrated system also uses a triangular floating foundation to arrange wind turbines, solar panels 500, and wave energy generation devices. However, it lacks the ability to produce secondary energy such as hydrogen, and the platform is suitable for deep water areas but lacks maneuverability. Existing technology CN110805524B proposes an offshore solar, wind, and wave energy complementary power generation device. This device achieves multi-energy complementarity by arranging vertical-axis wind turbines, solar panels 500, and wave energy generation devices on a floating platform, and also has some wind recovery and shelter capabilities. However, the vertical-axis small wind turbines used in this device have low efficiency, only able to utilize low-speed sea winds near the sea surface, resulting in low energy utilization and low device power density.

[0004] In summary, there is an urgent need in engineering for a comprehensive marine energy utilization device that has the ability to be quickly put into operation, has high power density, and can adapt to various sea conditions and operating conditions. Summary of the Invention

[0005] To address the shortcomings of existing technologies, the purpose of this invention is to provide a floating energy island device for comprehensive marine energy utilization and its operation and maintenance methods. The floating energy island device can integrate large-scale offshore wind turbines, solar power generation modules, tidal power generation modules, and wave power generation modules, as well as hydrogen energy, synthetic fuel, and biomass energy production modules, realizing the comprehensive utilization and complementarity of multiple marine energy sources. It also has rapid commissioning and disaster avoidance, maintenance, and deployment functions, which can solve the problems of poor power generation stability, low power density, and limited adaptability of traditional marine energy utilization devices.

[0006] According to the present invention, a floating energy island device for comprehensive utilization of marine energy includes a multi-hull floating platform, a single-point mooring device, a marine energy power generation device, and a multi-condition control device.

[0007] The multihull-type floating platform adopts a hull structure.

[0008] The single-point anchoring device is located at the bow of the multihull-type floating platform;

[0009] The multihull-type floating platform connects to a fixed anchor arranged on the seabed via several anchor chains extending from a single-point mooring device, enabling it to rotate around the single-point mooring device in the horizontal plane.

[0010] The ocean energy power generation device is equipped with several power generation modules to output electrical energy; the power generation modules are arranged inside a multi-hull floating platform.

[0011] The marine energy power generation device achieves integrated and coordinated operation on a multi-hull floating platform through the multi-condition control device. In particular, the multi-condition control device is mainly an integrated control system that integrates the mechanical control, data information processing, and intelligent coordinated operation of multiple power generation modules and other parts of the floating energy island device.

[0012] Preferably, the multi-condition control device includes a data acquisition system, a control center, and an execution module; the control center performs autonomous data processing and analysis based on the real-time operation data and environmental data collected by the data acquisition system, and outputs autonomous operation instructions; simultaneously, it outputs manual operation instructions in conjunction with real-time manual monitoring; the execution system executes the autonomous operation instructions and the manual operation instructions.

[0013] Preferably, it also includes a secondary energy production device, a power supply device, and an energy storage device;

[0014] The secondary energy production device, power supply device, and energy storage device are arranged on the multi-hull floating platform.

[0015] The power supply device converts and transmits the electrical energy from the ocean energy power generation device;

[0016] The secondary energy production device utilizes the electrical energy from the ocean energy power generation device to produce energy.

[0017] The energy storage device stores the electrical energy of the ocean energy power generation device and the energy produced by the secondary energy production device;

[0018] The marine energy power generation device, secondary energy production device, power supply device, and energy storage device achieve integrated and coordinated operation on the multi-hull floating platform through the multi-condition control device.

[0019] Preferably, the multihull-type floating platform includes a watertight compartment arranged inside, a central main hull, and sheet hulls arranged side by side on both sides of the central main hull;

[0020] The single-point anchoring device is located at the bow of the central main hull;

[0021] The watertight compartment is used for loading equipment and as a ballast water tank.

[0022] Preferably, the ocean energy power generation device includes a wind power generation module, a solar power generation module, a tidal energy power generation module, and a wave energy power generation module;

[0023] The wind power generation module includes a wind turbine tower base and two large wind turbines. The two large wind turbines are respectively arranged on the left and right sides. The wind turbine tower base is rigidly connected to the sides, and the wind turbines are movably connected to the wind turbine tower base. Specifically, they can be movably connected by bolts and flanges to realize the upright or horizontal laying of the wind turbines.

[0024] The solar power generation module is equipped with several solar panels arranged on a multi-hull floating platform.

[0025] The tidal energy power generation module includes a tidal energy turbine, a rotating beam, and a turbine connecting beam. The tidal energy turbine is rigidly connected to the rotating beam through the turbine connecting beam. The two ends of the rotating beam are connected between the main hull and the hull, and can rotate around the axis of the rotating beam, driving the tidal energy turbine fixed on the rotating beam to rotate upward.

[0026] The wave energy generation module is equipped with a float lifting rail arranged on a multi-hull floating platform; the wave energy generation module is fixed on the float lifting rail and can slide along the float lifting rail to realize the switching between the wave energy generation module's float contacting the water surface to generate electricity and leaving the water surface for safety and maintenance.

[0027] Preferably, the wind power generation module further includes a wind turbine inverting device arranged above the wind turbine body and behind the wind turbine.

[0028] The fan inverting device includes an inverting device cylinder, an inverting device clamp, an inverting device base, and an inverting robotic arm;

[0029] The base of the inverted device is hinged to the bottom of the wind turbine tower at the hinge point, so that the wind turbine can rotate around the base of the inverted device.

[0030] One end of the inverted robotic arm is connected to the hinge point, enabling the inverted robotic arm to rotate around the hinge point;

[0031] The inverting device clamp is arranged at the other end of the inverting robotic arm, and the inner diameter of the inverting device clamp matches the diameter of the corresponding tower position of the wind turbine.

[0032] The two ends of the hydraulic cylinder of the inverting device are respectively connected to the base of the inverting device and the hinge of the inverting mechanical arm. By adjusting the extension and retraction of the hydraulic cylinder of the inverting device, the inverting mechanical arm is pushed to drive the wind turbine to stand upright or be laid down horizontally.

[0033] Specifically, the hydraulic cylinder of the inverting device can lift the inverting mechanical arm to a vertical position when the piston arm is extended, and can put the inverting mechanical arm to a horizontal position when the piston arm is retracted.

[0034] Preferably, the wind power generation module further includes a wind turbine lifting device arranged behind the wind turbine inverting device; the wind turbine lifting device is rigidly fixed to the plate on which the wind turbine is installed, and is provided with a lifting device clamp to achieve an auxiliary lifting effect when the wind turbine is laid down horizontally.

[0035] Preferably, the wave energy generation module adopts an oscillating float-type wave energy generation structure, including a float and a float cylinder; the float and the float cylinder are connected by a universal hinge, so that the float can absorb kinetic energy from multiple directions.

[0036] Preferably, the hull and the hull are connected by several connecting beams that do not contact the water surface. The connecting beams are covered with a main deck and a movable deck, and the movable deck moves along deck rails arranged on the main deck.

[0037] Preferably, the control center includes a data processing module, an operation control module, an operation monitoring module, and an emergency backup module;

[0038] The data processing module performs preliminary filtering, impurity removal, and conversion on the data directly collected by the acquisition system to obtain various measured physical quantities, and submits them to other modules;

[0039] The operation monitoring module converts the various physical quantity data into charts and enables real-time manual monitoring through a visual interface.

[0040] The operation control module outputs operation instructions to the execution system based on the various physical quantities obtained by the data processing module and the real-time monitoring data obtained by the operation monitoring module.

[0041] The emergency backup module takes over the floating energy island device in the extreme case of failure of the operation control module, enabling manual control of the floating energy island device and ensuring its escape and safety in emergency situations.

[0042] Preferably, the execution system includes a floating platform control module, a device deployment and recovery control module, an energy production control module, and a power system control module;

[0043] The floating platform control module adjusts the ballast water in each ballast tank according to instructions, thereby adjusting the platform's buoyancy and controlling the deployment and retraction of the single-point mooring device; in particular, it controls the deployment and retraction of the anchor chain of the single-point mooring device.

[0044] The device retraction and extension control module controls the retraction and extension of the mechanical devices of each power generation module according to instructions.

[0045] The energy production control module controls the energy production of the ocean energy power generation device according to instructions;

[0046] The power system control module controls the power supply and transmission of the floating energy island device according to instructions.

[0047] The present invention also provides a method for operating and maintaining a floating energy island device for comprehensive utilization of marine energy, which adopts the floating energy island device for comprehensive utilization of marine energy described above, and further includes a dock assembly stage, a towing and deployment stage, a power generation and operation and maintenance stage, a risk avoidance and maintenance stage, and a recovery stage.

[0048] The dock assembly stage involves assembling the various components of the multi-hull floating platform and installing and commissioning the marine energy power generation device through a multi-condition control device to ensure the normal operation of the floating energy island device. In particular, the installation and commissioning of the secondary energy production device, power supply device, and energy storage device should also be completed in this stage.

[0049] The towing and deployment phase involves: transporting the operational floating energy island device to the work area, deploying anchor chains using a single-point anchoring device to secure the multi-hull floating platform in the designated location; laying cables to connect to the power grid, testing and confirming that each power generation module and the power grid are connected normally; and adjusting each power generation module to power generation mode using a multi-condition control device.

[0050] During the power generation and operation phase: After the multihull-type floating platform achieves convective stability of its attitude under the action of the single-point mooring device, the electrical energy generated by each power generation module of the marine energy power generation device is integrated into the power grid. Specifically, if the power generation exceeds the grid load, the excess will be provided to the energy storage device for storage; if the power generation is insufficient for the grid load, the energy storage device will output electrical energy to make up the difference, so that the overall output of the floating energy island device is stable; when the energy storage device is fully charged, the excess electrical energy will be input to the secondary energy production device to realize energy production.

[0051] The aforementioned risk avoidance and maintenance phase involves: in the event of extreme sea conditions, activating the mechanical devices of each power generation module to achieve retraction and deployment, reducing the wind, wave, and current loads on the platform, and promptly avoiding risks; and in normal sea conditions, carrying out maintenance work by activating the mechanical devices of the power generation module to be maintained to achieve retraction and deployment, and completing the maintenance operation.

[0052] The recovery phase involves mechanically recovering the mechanical devices of each marine energy power generation module after the power generation task is completed, disconnecting the power grid connection, retrieving the anchor chain, and arriving at the port or the next operating sea area.

[0053] Compared with the prior art, the present invention has the following beneficial effects:

[0054] 1. This invention, through the adoption of a multi-hull floating platform design with single-point anchoring, enables the rapid overall movement and deployment of the floating energy island, adapting to a wide range of water depths. Simultaneously, the device can freely rotate via single-point anchoring to achieve a weather vane effect, solving the problems of existing marine energy utilization devices lacking emergency mobility, facing difficulties with wind and current, and exhibiting low power generation efficiency. By rationally arranging marine energy power generation devices, secondary energy production devices, and energy storage devices on the multi-hull floating platform, including wind, solar, tidal, and wave energy power generation modules, as well as hydrogen, synthetic fuel, and biomass energy production modules, it achieves efficient integration and multi-energy complementarity of comprehensive marine energy utilization, improving power generation density and sea area utilization. Its rapid deployment capability and adaptability to various sea conditions can meet the needs of rapid emergency energy supply, solving the problems of low power generation efficiency, high cost, difficult deployment, and poor power generation stability of existing marine energy utilization devices.

[0055] 2. This invention, through the design of emergency and maintenance devices for ocean energy power generation devices, includes a large wind turbine inverting device and a tidal energy power generation module and wave energy power generation module recovery and deployment device. It can realize the recovery and avoidance of each ocean energy power generation module in high-risk sea conditions, and can also realize efficient and convenient equipment maintenance, solving the problems of existing ocean energy utilization devices lacking extreme sea condition avoidance capabilities and difficult maintenance and repair.

[0056] 3. This invention uses a multi-condition real-time control and monitoring system consisting of a data acquisition system, a control center, and an execution module to achieve coordinated and complementary operation of the various marine energy power generation modules of the invention device, as well as precise motion control of various mechanical structures, to ensure the normal operation of various working conditions such as towing and deployment, power generation and maintenance, and disaster avoidance and repair.

[0057] 4. Based on the above-mentioned floating energy island device for comprehensive utilization of marine energy, the present invention proposes a set of working and maintenance methods, including working methods for various working conditions and operation stages such as wind turbine dock assembly, towing and deployment, power generation operation and maintenance, and risk avoidance maintenance. This invention can realize the safe and rapid commissioning of the floating energy island device, the comprehensive and efficient utilization of multiple energy sources, the risk avoidance in extreme sea conditions, and the convenient inspection and maintenance functions. Attached Figure Description

[0058] Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0059] Figure 1 This is a three-dimensional structural diagram of the floating energy island device of the present invention;

[0060] Figure 2 This is a schematic diagram of the front structure of the floating energy island device of the present invention;

[0061] Figure 3 This is a side view of the floating energy island device of the present invention;

[0062] Figure 4 This is a top view schematic diagram of the floating energy island device of the present invention;

[0063] Figure 5 This is a schematic diagram of the tidal power generation module of the present invention;

[0064] Figure 6 This is a schematic diagram of the wave energy generation module of the present invention;

[0065] Figure 7 This is a schematic diagram of the fan inverting device of the present invention;

[0066] Figure 8 This is a schematic diagram of the overall horizontal hoisting of the port wind turbine of the present invention;

[0067] Figure 9 This is a schematic diagram of the normal operation of the floating energy island device of the present invention;

[0068] Figure 10 This is a schematic diagram illustrating the safety or maintenance of the floating energy island device of the present invention;

[0069] Figure 11 This is a schematic diagram of the operation of the fan inverting device of the present invention;

[0070] Figure 12 This is a block diagram of the control system for the floating energy island device of the present invention.

[0071] The diagram shows:

[0072] 100-Main hull 202-Wind turbine lifting device

[0073] 101-Piece Body 2021-Lifting Device Clamp

[0074] 102-Main deck; 203-Wind turbine tower base

[0075] 103-Mobile Deck 300-Tidal Power Generation Module

[0076] 104-Single-point mooring device; 301-Tidal power turbine

[0077] 105-Anchor Chain 302-Rotating Beam

[0078] 106-Deck rail 303-Turbine connecting beam

[0079] 107-Bumper Strip 400-Wave Energy Generation Module

[0080] 108-Connecting Beam 401-Float

[0081] 109-Cable 402-Float Cylinder

[0082] 200-Wind Turbine Generator 403-Float Lifting Rail

[0083] 201-Wind turbine inverting device 500-Solar panel

[0084] 2011-Inverting Device Hydraulic Cylinder 600-Energy Storage Device

[0085] 2012-Inverted Device Clamp 601-Secondary Energy Production Device

[0086] 2013 - Inverted Device Base

[0087] 2014 - Inverted Robotic Arm Detailed Implementation

[0088] The present invention will now be described in detail with reference to specific embodiments. These embodiments will help those skilled in the art to further understand the present invention, but do not limit the invention in any way. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all fall within the scope of protection of the present invention.

[0089] This invention provides a floating energy island device for integrated marine energy utilization and its operation and maintenance methods. The floating energy island device utilizes a multi-hull floating platform combined with various marine energy power generation devices, secondary energy production devices, and energy storage devices. While achieving efficient and integrated utilization of marine energy, it also realizes the device's rapid deployment capability and wide adaptability to various sea areas, solving the problems of low power density in marine energy utilization and the difficulty in deploying traditional marine energy utilization devices, as well as poor maneuverability. It incorporates emergency recovery and maintenance devices designed for marine energy power generation equipment such as wind turbines, including wind turbine inversion devices, enabling evacuation and recovery or convenient maintenance in emergency sea conditions. This compensates for the excessive motion response of multi-hull floating platforms in high sea states and solves the problems of existing marine energy utilization devices lacking extreme sea state avoidance capabilities and facing difficulties in maintenance and repair. Based on the above-mentioned floating energy island device for integrated marine energy utilization, a control system and operation and maintenance methods are provided, enabling the coordinated and efficient operation of all modules of the device.

[0090] Example 1:

[0091] This embodiment provides a floating energy island device for comprehensive utilization of ocean energy, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the system includes a multi-hull floating platform, a single-point mooring device 104, an ocean energy power generation device, and a multi-condition control device. The multi-hull floating platform adopts a hull-shaped structure. The single-point mooring device 104 is located at the bow of the multi-hull floating platform. The multi-hull floating platform is connected to a fixed anchor located on the seabed via several anchor chains 105 extending from the single-point mooring device 104, enabling it to rotate around the single-point mooring device 104 in the horizontal plane. The ocean energy power generation device is equipped with several power generation modules to output electrical energy. Each power generation module is arranged within the multi-hull floating platform. The ocean energy power generation device achieves integrated and coordinated operation on the multi-hull floating platform through the multi-condition control device. In particular, the multi-condition control device is mainly an integrated control system that integrates the mechanical control, data information processing, and intelligent coordinated operation functions of multiple power generation modules and other parts of the floating energy island device.

[0092] The multi-condition control device comprises a data acquisition system, a control center, and an execution module. The control center autonomously processes and analyzes real-time operational and environmental data collected by the acquisition system, outputting autonomous operation commands. Simultaneously, it outputs manual operation commands in conjunction with real-time human monitoring. The execution system executes both autonomous and manual operation commands. Real-time human monitoring, based on operational and environmental data from the acquisition system, is achieved through visualization processing, effectively combining human and automated processes through coordinated system operation. Thus, through a multi-condition real-time control and monitoring system comprising a data acquisition system, a control center, and an execution module, the invention achieves coordinated and complementary operation of various marine energy generation modules, as well as precise motion control of various mechanical structures, ensuring efficient and coordinated operation under various conditions such as towing deployment, power generation maintenance, and disaster avoidance repair.

[0093] Furthermore, the floating energy island device in this embodiment also includes a secondary energy production device 601, a power supply device, and an energy storage device 600; the secondary energy production device 601, the power supply device, and the energy storage device 600 are all arranged on the multi-hull floating platform; wherein, the power supply device converts and transmits the electrical energy of the marine energy power generation device; the secondary energy production device 601 uses the electrical energy of the marine energy power generation device to produce energy; the energy storage device 600 stores the electrical energy of the marine energy power generation device and the energy produced by the secondary energy production device 601; the marine energy power generation device, the secondary energy production device 601, the power supply device, and the energy storage device 600 achieve integrated and coordinated operation on the multi-hull floating platform through a multi-condition control device. By rationally arranging marine energy power generation devices, secondary energy production devices 601, and energy storage devices on a multi-hull floating platform, including wind, solar, tidal, and wave energy power generation modules, as well as hydrogen, synthetic fuel, and biomass energy production modules, the system achieves efficient integration and multi-energy complementarity of comprehensive marine energy utilization. This improves power generation density and sea area utilization. Its rapid commissioning capability and adaptability to various sea conditions can meet the needs of rapid emergency energy supply, solving the problems of low power generation efficiency, high cost, difficult deployment, and poor power generation stability of existing marine energy utilization devices.

[0094] The multihull-type floating platform includes a central main hull 100 and two side hulls 101 arranged on either side of the central main hull 100. The platform has multiple watertight compartments, which can be used for loading equipment and serving as ballast tanks. A single-point mooring device 104 is located at the bow of the central main hull 100, and several anchor chains 105 extend from the single-point mooring device 104, connecting to fixed anchors located on the seabed. By adopting the single-point mooring design of the multihull-type floating platform, the entire floating energy island can be rapidly moved and deployed, adapting to a wide range of water depths. Simultaneously, the device can freely rotate using the single-point mooring to achieve a weather vane effect, solving the problems of existing marine energy utilization devices lacking emergency mobility, facing difficulties with wind and current, and having low power generation efficiency. The hull 100 and the hull 101 are connected by several connecting beams 108 that do not touch the water surface. The main deck 102 and the movable deck 103 are covered and laid on top of the connecting beams 108. The movable deck 103 moves along the deck rails 106 arranged on the main deck 102. Through the flexible movement of the movable deck 103, watertight compartments or various power generation modules arranged in the multi-hull floating platform can be covered or exposed, which is convenient for staff to inspect and monitor.

[0095] The ocean energy power generation device includes wind power generation modules, solar power generation modules, tidal power generation module 300, and wave power generation modules:

[0096] The wind power generation module includes a wind turbine tower base 203 and two large wind turbines 200. The two large wind turbines 200 are respectively arranged on two left and right panels 101. The wind turbine tower base 203 is rigidly connected to the panels 101, and the wind turbines 200 are movably connected to the wind turbine tower base 203 via bolts and flanges, allowing the wind turbines 200 to be erected vertically or laid horizontally. The wind power generation module also includes a wind turbine inverting device 201 arranged above the panels 101 and behind the wind turbines 200. Figure 7As shown, the wind turbine erecting device 201 includes an erecting device cylinder 2011, an erecting device clamp 2012, an erecting device base 2013, and an erecting robotic arm 2014. The erecting device base 2013 is arranged close to the wind turbine tower base 203. The bottom of the wind turbine tower 200 is connected to the erecting device base 2013 at a hinge point, allowing the wind turbine 200 to rotate around the erecting device base 2013. One end of the erecting robotic arm 2014 is connected to the hinge point, allowing the erecting robotic arm 2014 to rotate around the hinge point. The erecting device clamp 2012 is arranged on the erecting device. At the other end of the robotic arm 2014, the inner diameter of the inverting device clamp 2012 matches the diameter of the corresponding tower position of the wind turbine 200. The two ends of the inverting device cylinder 2011 are respectively hinged to the inverting device base 2013 and the inverting robotic arm 2014. When the piston arm is extended, the inverting device cylinder 2011 can lift the inverting robotic arm 2014 to a vertical position. When the piston arm is retracted, the inverting robotic arm 2014 can be placed to a horizontal position. By adjusting the extension and retraction of the inverting device cylinder 2011, the inverting robotic arm 2014 can be pushed to drive the wind turbine 200 to stand upright or be laid down horizontally.

[0097] The wind power generation module also includes a wind turbine lifting device 202 arranged behind the wind turbine inverting device 201; the wind turbine lifting device 202 is rigidly fixed on the plate 101 on which the wind turbine is installed, and is provided with a lifting device clamp 2021, which plays an auxiliary lifting role when the wind turbine 200 is laid down horizontally.

[0098] The solar power generation module is equipped with several solar panels 500 arranged on a multi-hull floating platform; it can be selected as a non-movable solar panel 500 or a solar power generation device with a rotating base that can receive sunlight in real time.

[0099] The tidal energy generation module 300 includes a tidal energy turbine 301, a rotating beam 302, and a turbine connecting beam 303; such as Figure 5 As shown, the tidal power turbine 301 is rigidly connected to the rotating beam 302 via the turbine connecting beam 303. The two ends of the rotating beam 302 are connected between the main hull 100 and the plate 101, and can rotate around the beam axis, which can drive the tidal power turbine 301 fixed on the rotating beam 302 to rotate upward and recycle.

[0100] The wave energy generation module 400 is equipped with a float lifting rail 403 arranged on a multi-hull floating platform; such as Figure 6As shown, the wave energy generation module 400 is fixed on the float lifting slide rail 403 and can slide along the float lifting slide rail 403, realizing the switching between the wave energy generation module 400's float contacting the water surface for power generation and its departure from the water surface for safety and maintenance. The wave energy generation module 400 adopts an oscillating float-type wave energy generation structure, including a float 401 and a float cylinder 402; the float 401 and the float cylinder 402 are connected by a universal hinge, realizing the absorption of energy from the multi-directional movement of the float 401.

[0101] The multi-condition control device consists of three parts: a data acquisition system, a control center, and an execution module. The data acquisition system mainly consists of various sensors arranged on the device, including navigation and floating status sensors, wind speed and direction sensors, wave height sensors, water depth and flow sensors, illuminance sensors, several cameras, and working status sensors for each power generation module and secondary energy production module. Its main function is to collect real-time operating data and environmental data of the mechanism and provide the data processing and command decision-making of the upper control center.

[0102] The control center includes a data processing module, an operation control module, an operation monitoring module, and an emergency backup module. The data processing module performs preliminary filtering, impurity removal, and conversion on the data directly collected by the acquisition system to obtain various measured physical quantities, and submits them to other modules. The operation monitoring module converts various physical quantity data into charts and provides real-time monitoring for staff through a visual interface. The operation control module outputs operation instructions to the execution system based on the various physical quantities obtained by the data processing module and the real-time monitoring status by the operation monitoring module. In extreme cases where the operation control module fails, the emergency backup module takes over the floating energy island device to achieve manual control of various parts of the energy island device, ensuring the floating energy island device can escape and avoid danger in emergency situations.

[0103] The execution system includes a floating platform control module, a device deployment and retrieval control module, an energy production control module, and a power system control module: the floating platform control module controls and adjusts the ballast water in each ballast tank according to instructions, thereby adjusting the platform's buoyancy and controlling the deployment and retrieval of anchor chain 105; the device deployment and retrieval control module controls the movement of the mechanical devices for deployment and retrieval of each power generation module according to instructions; the energy production control module controls and adjusts the energy production of the marine energy power generation device according to instructions; and the power system control module controls the power supply and transmission control of the floating energy island device according to instructions.

[0104] This embodiment also provides a method for the operation and maintenance of a floating energy island device for comprehensive utilization of marine energy, based on the above description. The method includes a dock assembly stage, a towing and deployment stage, a power generation and operation and maintenance stage, a risk avoidance and maintenance stage, and a recovery stage. This method can realize the safe and rapid commissioning of the floating energy island device of the present invention, the comprehensive and efficient utilization of multiple energy sources, the risk avoidance in extreme sea conditions, and the convenient inspection and maintenance functions.

[0105] During the dock assembly phase, the multi-hull floating platform was assembled, and the marine energy power generation device and secondary energy production module were installed and commissioned to ensure the normal operation of the floating energy island device.

[0106] During the towing and deployment phase, the floating energy island device is towed to the operating sea area, anchor chains 105 are laid, and the multi-hull floating platform is fixed in the designated position by the single-point mooring device 104; cables 109 are laid to connect to the power grid, and the connection between each power generation module, energy storage device 600 and power grid is tested and confirmed to be normal; each power generation module is adjusted to the power generation state through the control system.

[0107] During the power generation and operation phase, based on the wind vane effect of the multi-hull floating platform's single-point anchoring, after the platform's attitude is stabilized by convection, the power generation modules of the marine energy power generation device generate electricity and feed it into the power grid. If the power generation exceeds the grid load, the excess will be provided to the energy storage device 600 for storage. If the power generation is insufficient for the grid load, the energy storage device 600 will output electricity to make up the difference, so that the overall power output of the floating energy island device is stable. When the energy storage device 600 is fully charged, the excess electricity will be input to the secondary energy production device 601 to realize energy production.

[0108] During the disaster avoidance and maintenance phase, in extreme sea conditions, the mechanical devices of each power generation module are activated to achieve retraction and deployment, reducing the wind, wave, and current loads on the platform and avoiding danger in a timely manner. In normal sea conditions, maintenance work is carried out by activating the mechanical devices of the power generation module to be maintained to achieve retraction and deployment, completing the maintenance work. Through the design of emergency and maintenance devices for ocean energy power generation devices, including large wind turbine inversion devices and tidal energy power generation module 300 and wave energy power generation module recovery and deployment devices, it is possible to recover and avoid danger for each ocean energy power generation module in high-risk sea conditions, and also to achieve efficient and convenient equipment maintenance, solving the problems of existing ocean energy utilization devices lacking extreme sea condition disaster avoidance capabilities and difficult maintenance and repair.

[0109] The recovery phase involves mechanically recovering the mechanical devices of each marine energy power generation module after the power generation task is completed, disconnecting the power grid connection, retracting the anchor chain 105, and arriving at the port or the next operating sea area.

[0110] Example 2:

[0111] A floating energy island for comprehensive utilization of marine energy includes a multi-hull floating platform, a marine energy power generation device, a secondary energy production device 601, a single-point mooring device, a power supply device, an energy storage device, and a multi-condition control device.

[0112] The main structure of the multihull-type floating platform consists of a central main hull 100 and two side hulls 101 arranged side by side. Both the main hull and the side hulls are hull-shaped structures with the structural characteristics of general ships, and are internally divided into multiple watertight compartments. These compartments can be used for loading equipment, serving as ballast tanks, etc. The main hull 100 and the side hulls 101 are connected by transverse connecting beams 108 that do not contact the water surface, and are covered by a main deck 102. To ensure strength, several transverse connecting beams 108 can be arranged; in this embodiment, two are arranged aft and fore. A certain width gap must be left between the aft and fore-aft connecting beams 108 to ensure that the tidal power generation module 300 is fully exposed in the gap during rotation and recovery, without being obstructed by the connecting beams 108, thus facilitating inspection and maintenance. A movable deck 103 is arranged above the reserved gap for the recovery of the tidal power generation module 300. It can move along the deck rails 106 arranged on the main deck 102, thereby concealing or revealing the gap in the connecting beam reserved for the recovery of the tidal power generation module 300, ensuring the recovery and maintenance of the wave power generation module without reducing the deck area. The deck rails 106 are arranged in the bow-stern direction of the main hull 100. When the movable deck 103 moves in this direction, it will not interfere with the wind turbines 200 and their uprighting devices 201 on the side panels 101. A single-point mooring device 104 is arranged at the bow of the central main hull 100, and several anchor chains 105 extend from the single-point mooring device 104, connecting to a fixed anchor arranged on the seabed. The single-point mooring device 104 adopts a single-point mooring design commonly used in marine engineering. Its function is to allow the fixed hull (in this embodiment, the entire floating energy island device for integrated marine energy utilization) to rotate around the single-point mooring device 104 in the horizontal plane, but not to move horizontally. When the multihull-type floating platform encounters a tidal current in a certain direction under the action of the single-point mooring device 104, due to the wind vane effect, the bow of the platform will face the direction of the incoming current, so that the tidal energy generation module 300 arranged on the platform is always in a state of facing the incoming current. This state will significantly reduce the tidal force on the platform and improve the platform's adaptability in nearshore tidal waters. In addition, a collision protection strip 107 is arranged on the outer side of the plate 101 to buffer the collision between the device and the shore when the device is docked in port.

[0113] The ocean energy power generation device includes a wind power generation module, a solar power generation module, a tidal energy power generation module 300, and a wave energy power generation module. The wind power generation module includes two large wind turbines 200, respectively arranged on two side panels 101. The wind turbines 200 are connected to the wind turbine tower base 203 via bolts and flanges, and the wind turbine tower base 203 is rigidly connected to the panel 101. Above the panel 101 where the wind turbines 200 are located, and behind the wind turbines 200 (the rear being closer to the stern), a wind turbine erecting device 201 is arranged, which includes four main structures: an erecting device cylinder 2011, an erecting device clamp 2012, an erecting device base 2013, and an erecting robotic arm 2014. The inverted device base 2013 is arranged close to the wind turbine tower base 203. The bottom of the wind turbine 200 tower is hinged to the inverted device base 2013, allowing the wind turbine 200 to rotate around the inverted device base. The same hinge point also connects to the inverted robotic arm 2014, allowing the inverted robotic arm 2014 to rotate around the same hinge point. The inverted device clamp 2012 is arranged at the far end of the inverted robotic arm 2014 (i.e., the other end relative to the hinge point between the inverted robotic arm 2014 and the inverted device base 2013), forming a closed loop, preferably a clamp-shaped mechanical clamp with two opening and closing sides. The inside of the closed loop is circular, with a diameter matching the diameter of the tower where the wind turbine 200 is located. An elastic anti-collision strip is arranged inside the closed loop to prevent collision or pressure damage between the wind turbine 200 tower and the clamp. The two ends of the inverting device cylinder 2011 are hinged to the inverting device base 2013 and the inverting mechanical arm 2014, respectively. When the piston arm of the inverting device cylinder 2011 extends, it can lift the inverting mechanical arm 2014 to a vertical position. When the piston arm is retracted, it can lower the inverting mechanical arm 2014 to a horizontal position. After the bolt flange connection between the wind turbine generator 200 and the wind turbine tower base 203 is released, the inverting device clamp 2012 holds the wind turbine generator 200 tower. Then, by adjusting the extension and retraction of the inverting device cylinder 2011, the inverting mechanical arm 2014 can be pushed to drive the wind turbine generator 200 to stand upright or be laid down horizontally. A wind turbine lifting device 202 is arranged behind the wind turbine erecting device 201 without interfering with its rotational movement. It is rigidly fixed to the plate 101 on which the wind turbine is mounted and has a lifting device clamp 2021 structure. This structure provides auxiliary lifting when the wind turbine 200 is laid horizontally, reducing the load on the hinge point between the wind turbine 200 and the erecting device base, and limiting and preventing movement of the wind turbine 200 caused by the hull's floating motion. Similar to the erecting device clamp 2012, the lifting device clamp 2021 has a closed-loop design with a circular interior. The diameter of the inner circle matches the diameter of the tower that the wind turbine contacts when laid horizontally, and elastic anti-collision strips are arranged inside the closed loop.The height of the lifting device clamp 2021 must be such that it can support the weight of the wind turbine 200 when the wind turbine 200 is placed by its inverted device 201, and the opening of the clamp must be such that the tower of the wind turbine 200 can enter from above without interference.

[0114] The solar power generation module of the marine energy power generation device mainly includes solar panels 500 arranged on the main deck 102 and the movable deck 103. It can be either a non-movable solar panel 500 or a solar power generation device with a rotating base that can receive sunlight in real time. In this embodiment, the former is preferred because it is easy to arrange and control, has a lower cost, and the latter has a smaller improvement in power generation efficiency in the eastern waters of my country compared to the former. When considering other sea areas, a suitable solar power generation module design can be selected according to the actual situation.

[0115] The tidal current power generation module 300 of the ocean energy power generation device mainly includes a tidal current turbine 301, a rotating beam 302, and a turbine connecting beam 303. The rotating beam 302 is similar to the connecting beam 108, connecting the main hull 100 and the hull body 101 at both ends. However, the rotating beam 302 can rotate around its axis and does not bear the load connecting the main hull 100 and the hull body 101. Its function is to drive the tidal current turbine 301, fixed on the rotating beam 302, to rotate upwards for easy emergency avoidance and maintenance. In this embodiment, the tidal current turbine 301 is preferably a shaftless turbine with a guide duct; similarly, a general turbine without a guide duct can be selected depending on the environment of the actual working sea area. The tidal current turbine 301 is rigidly connected to the rotating beam 302 via the turbine connecting beam 303. Multiple tidal current turbines 301 can be arranged on the same rotating beam 302. The turbines must be oriented so that the turbine inflow surface faces the bow of the ship, thereby ensuring that under the wind vane effect mentioned above, the tidal current turbine 301 always faces the incoming flow direction, improving the power generation efficiency of the tidal current power generation module 300.

[0116] The wave energy generation module 400 of the ocean energy power generation device adopts an oscillating float-type wave energy generation structure, which mainly includes two parts: a float 401 and float cylinders 402. A float lifting slide rail 403 is arranged on the connecting beam 108, and the wave energy generation module 400 is fixed on the float lifting slide rail 403 and can slide up and down along the slide rail, realizing the switching between the wave energy generation module 400's float contacting the water surface for power generation and its departure from the water surface for safety and maintenance. Therefore, the length of the float lifting slide rail 403 needs to reach a certain extent so that the wave energy generation module 400 can completely leave the water surface when lifted along the slide rail, and the float can completely escape the influence of the water surface and waves. Preferably, the float 401 and multiple float cylinders 402 are connected by universal hinges, thereby realizing the absorption of energy from the float's movement in multiple directions.

[0117] Each power generation module of the ocean energy power generation device is electrically connected to the power supply device and energy storage device, ensuring that the power output from each power generation module can be connected to the power grid, stored, or used for secondary energy production activities.

[0118] The secondary energy production unit 601 includes a hydrogen production module, a synthetic fuel production module, and a marine microalgae biomass energy production module. The hydrogen production module primarily produces and stores hydrogen through seawater electrolysis. The synthetic fuel production module converts carbon dioxide from the air into compounds such as methanol through chemical catalysis. The marine microalgae biomass energy production module cultivates marine microalgae and then crushes and ferments the microalgae biomass to convert it into compounds such as methanol / ethanol. All modules are located inside the main hull, 100 hull, utilizing the electrical energy from the aforementioned marine energy power generation unit for production activities and storing the produced hydrogen, methanol, and other substances.

[0119] The power supply equipment mainly includes the power converter of the ocean energy power generation device, the inverter for the overall power transmission of the platform, and cable 109, etc. Its function is to convert the electrical energy of each power generation module of the ocean energy power generation device and transmit it to the external power grid or energy storage device.

[0120] The energy storage device 600 is located in the main hull 100 cabin and includes a large number of electrical energy storage modules, as well as hydrogen and methanol storage tanks and various pipeline equipment. Its main function is to store the electrical energy of the ocean energy power generation device and the hydrogen and methanol produced by the secondary energy production device 601, and output these electrical energy or fuel substances under specific conditions.

[0121] like Figure 12As shown, the multi-condition control device comprises three parts: a data acquisition system, a control center, and an execution module. The data acquisition system mainly consists of various sensors arranged on the device, including navigation and buoyancy sensors, wind speed and direction sensors, wave height sensors, water depth and current sensors, illuminance sensors, several cameras, and operating status sensors for each power generation module and secondary energy production module. Its main function is to collect real-time operational data and environmental data, providing data processing and command decisions to the upper-level control center. The aforementioned navigation and buoyancy sensors may include accelerometers, gyroscopes, etc., primarily responsible for collecting real-time navigation and buoyancy data of the invention, including six-degree-of-freedom acceleration and pitch and roll data; the aforementioned wind speed and direction sensors primarily collect wind speed and direction information at different locations of the device, including the deck, wind turbine hub, etc.; the wave height sensors primarily collect real-time wave height data at locations such as the bow, midship, and stern of the main hull and hull sections; the water depth and current sensors are arranged below the waterline of the main hull and hull sections, primarily corresponding to water depth and seawater current velocity data at those locations; the aforementioned illuminance sensors are arranged on the deck... The plate surface is mainly used to collect real-time sunlight illuminance data; several cameras are widely deployed in various corners of the device to collect video information for recording and monitoring; the working status sensors of each power generation module and secondary energy production module, including but not limited to real-time power generation sensors, speed sensors, yaw angle sensors, tower stress sensors, tidal turbine speed sensors, wave power generation module cylinder sensors, and various voltage and current sensors, are mainly responsible for collecting and recording the real-time working status data of each power generation module so that the control system can adjust and control the status of each power generation module.

[0122] The control center is primarily responsible for processing and analyzing various environmental and mechanical operation data collected by the acquisition system, providing real-time monitoring for shipboard personnel, and sending autonomous operation and manual operation commands to the execution system for execution. The control center comprises four parts: a data processing module, an operation control module, an operation monitoring module, and an emergency backup module. The data processing module is mainly responsible for performing preliminary filtering, impurity removal, and conversion processing on the data directly collected by various sensors of the acquisition system to obtain the measured physical quantities and submit them to other modules. The operation monitoring module converts necessary data into charts and provides real-time monitoring for shipboard personnel through a visual interface. The operation control module is mainly responsible for outputting operation commands to the execution system, including commands for the extension and retraction of the hydraulic cylinders of the wind turbine erection device, commands for the opening and closing of the clamps, commands for the deployment and retrieval of the wave energy generation module and the tidal energy generation module 300, commands for the movement of the mobile deck, and status control commands for each power generation module. The emergency backup module is a simplified module based on the operation control module, mainly responsible for emergency takeover of the device in extreme cases where the operation control module fails. This module provides a manual control channel for the execution system. In an emergency, switching to this module enables manual control of various parts of the invention device, thereby ensuring the invention device can escape danger in an emergency.

[0123] The execution system is primarily responsible for executing commands issued by the control center. The execution system includes a floating platform control module, a device deployment and retraction control module, an energy production control module, and a power system control module. The floating platform control module is mainly responsible for controlling the platform's thrusters and rudder (if thrusters are installed), adjusting the ballast water in each ballast tank to adjust the platform's buoyancy, and controlling the deployment and retraction of anchor chain 105, etc., according to commands. The device deployment and retraction control module mainly includes the hydraulic cylinder pressure control of the wind turbine erection device, the drive motor control of the moving deck, the drive motor control of the tidal energy deployment and retraction rotating beam, and the slide rail drive motor control of the wave energy power generation module, etc., responsible for controlling the movement of the mechanical devices for the deployment and retraction of each power generation module according to commands. The energy production control module and the power system control module mainly adopt automated control. The former includes controlling the wind turbine nacelle angle, hub angle, blade pitch angle, and hydraulic cylinders of the wave energy power generation module, etc., while the latter includes the switching, current limiting, and voltage limiting controls of all power generation modules, transmission modules, and electrical facilities on the device.

[0124] Based on the aforementioned floating energy island device for comprehensive utilization of marine energy, a set of operating and maintenance methods is provided, such as... Figure 8 As shown, it includes five main stages: dock assembly stage, towing and deployment stage, power generation and maintenance stage, risk avoidance and maintenance stage, and recovery stage. The specific operation steps are as follows:

[0125] Wind turbine dock assembly stage:

[0126] Step 101: Except for the wind turbine, the main body of the device can be constructed and assembled in a conventional manner. After all other parts of the device are completed, the entire device is docked next to the installation port, and the control system operates the clamps on the wind turbine inverting device and the wind turbine lifting device to fully open.

[0127] Step 102: The wind turbine is assembled as a whole while lying horizontally on the shore. Then, it is lifted horizontally by a shore crane and slowly placed into the clamps on the wind turbine erection device and the wind turbine support device. Afterward, the hinge point between the bottom of the wind turbine tower and the base of the wind turbine erection device is connected, and the two clamps are closed.

[0128] Step 103: Reverse the orientation of the main unit and install the wind turbine on the other side. Simultaneously, complete the installation and commissioning of other power generation modules and secondary energy production modules at the port to ensure the unit operates normally and to make all preparations for offshore operations.

[0129] Towing and deployment phase:

[0130] Step 201: Use towing or install ship propellers on the main hull and hulls and use self-propulsion to travel to the operating area.

[0131] Step 202: Install anchor chain 105 and cable 109, and secure the hull to the designated position using a single-point anchoring device. Connect the device to the power grid, and test and confirm that each power generation module is properly connected to the energy storage device and the power grid.

[0132] Step 203: Adjust each power generation module to the power generation state through the control system. Fully open the clamps of the wind turbine erection device and the wind turbine lifting device, start the wind turbine erection device, extend the erection device cylinder, push the erection mechanical arm to the vertical position, and simultaneously drive the wind turbine generator to the vertical position; then tighten the bolt flanges between the wind turbine generator tower and the tower base, check and confirm that the wind turbine generator and the tower base are securely fixed; finally, open the erection device clamps, retract the erection device cylinder, drive the erection mechanical arm to level, return to the initial position, and close the clamps. The control system manipulates the drive motor to rotate the rotating beam structure, lowering the tidal energy power generation module 300 from the horizontal recovery position to the vertical power generation position, and then locks the rotating beam structure to prevent it from rotating under force; control the float lifting slide rail to move the wave energy power generation module downwards until the float structure contacts the sea surface and can generate electricity normally, and then lock the slide rail structure to prevent the wave energy power generation module from moving up and down under force.

[0133] During the power generation and operation and maintenance phase, such as Figure 9 As shown:

[0134] Step 301: Due to the wind vane effect of single-point anchoring, the multihull-type floating platform gradually moves downstream in the direction of the incoming current, at which point the tidal turbine completes convection. The platform's attitude gradually stabilizes after the convection process, at which point the wind turbine is aligned with the direction of the incoming wind.

[0135] Step 302: Normal power generation and monitoring of the device. The electrical energy generated by each ocean energy power generation module is fed into the power grid after passing through converters and inverters. If the power generation exceeds the grid load, the excess will be provided to the energy storage device for storage; if the power generation is insufficient for the grid load, the energy storage device will output electrical energy to make up the difference, ensuring a stable overall power output of the device. When the energy storage device is fully charged, the excess energy will be input into the secondary energy production device 601 for processes such as seawater electrolysis to produce hydrogen and synthetic fuel manufacturing. The data acquisition system collects real-time operating data from the platform and each device and outputs it to the control center for monitoring by staff.

[0136] During the risk avoidance and maintenance phase, such as Figure 10 As shown:

[0137] Step 401, as follows Figure 11 As shown, in extreme sea conditions, to reduce the wind, wave, and current loads on the platform, the deployment and retraction devices of each power generation module should be activated. First, shut down the wind turbine, lock the rotor, and adjust the pitch angle to the off position. Simultaneously, adjust the nacelle angle so that the rotor face is aligned with the bow to avoid collisions during the subsequent turbine lowering process. Activate the turbine erecting device, open the erecting device clamps and the turbine lifting device clamps, and extend the erecting device cylinder to lift the erecting robotic arm to a vertical position. At this point, the tower is already inside the erecting device clamps. Close the erecting device clamps to secure the tower. After confirming the clamps are securely holding the tower, keep the erecting device cylinder in the same position and remove the flange bolts between the wind turbine and the tower base to disconnect them. Then, retract the erecting device cylinder to move the robotic arm and lower the turbine horizontally, with the corresponding middle section of the tower now fully inside the turbine lifting device clamps. The wind turbine lifting device clamp is closed, and the hydraulic cylinder of the inverting device is set to a fixed hydraulic pressure to prevent the wind turbine from moving significantly due to the influence of the platform and waves. While the wind turbine is being recovered for safety, the rotating beam is controlled to rotate and retract the tidal power generation module 300, bringing it to a horizontal position and completely removing it from the water. The float lifting rail is controlled to lift the wave power generation module out of the water.

[0138] Step 402: If maintenance work on a specific power generation device is required under normal sea conditions, its deployment and retrieval device shall be activated separately. For example, if a wind turbine is deployed separately or a wave generator is raised separately for maintenance, the retrieval process is the same as in step 401 above.

[0139] Step 403: After the extreme sea conditions end or maintenance is completed, repeat step 203 to restart the deployment and retraction devices of each power generation module, restore their working status, and enter the power generation and maintenance phase. Repeat steps 301 and 302 to resume normal power generation.

[0140] recycling phase

[0141] Step 501: If the current emergency power generation task is completed and it is necessary to move to a port or a new operating area, first repeat step 401 to retrieve each marine energy generation module. Disconnect from the power grid, retract anchor chain 105, and proceed to the port or the next operating area by towing or self-propelled means. Upon arrival at the new operating area, repeat the above steps.

[0142] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0143] Those skilled in the art will understand that, besides implementing the system and its various devices, modules, and units provided by this invention in the form of purely computer-readable program code, the same functions can be achieved entirely through logical programming of the method steps, making the system and its various devices, modules, and units of this invention function in the form of logic gates, switches, application-specific integrated circuits, programmable logic controllers, and embedded microcontrollers. Therefore, the system and its various devices, modules, and units provided by this invention can be considered as a hardware component, and the devices, modules, and units included therein for implementing various functions can also be considered as structures within the hardware component; alternatively, the devices, modules, and units for implementing various functions can be considered as both software modules implementing the method and structures within the hardware component.

[0144] Specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art can make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention. Unless otherwise specified, the embodiments and features described in this application can be arbitrarily combined with each other.

Claims

1. A comprehensive utilization of ocean energy floating energy island device, characterized in that, The multi-hull floating platform, a single point mooring device (104), a marine energy power generation device, and a multi-working-condition control device are included. The multi-hull floating platform adopts a ship type structure. The single point mooring device (104) is arranged at the bow of the multi-hull floating platform. The multi-hull floating platform is connected with fixed anchors arranged on the seabed through several anchor chains (105) extended from the single point mooring device (104), so as to realize rotation of the multi-hull floating platform around the single point mooring device (104) in the horizontal plane. The marine energy power generation device is provided with several power generation modules to output electric energy, and the power generation modules are arranged in the multi-hull floating platform. The marine energy power generation device is integrated and coordinated on the multi-hull floating platform through the multi-working-condition control device. The multi-working-condition control device includes a collection system, a control center and an execution module. The marine energy power generation device includes a wind power generation module, a solar power generation module, a tidal current power generation module (300) and a wave power generation module. The wind power generation module includes a wind turbine tower base (203) and two large wind power generators (200). The solar power generation module is provided with several solar panels (500) arranged on the multi-hull floating platform. The tidal current power generation module (300) includes a tidal current water turbine (301), a rotating beam (302) and a water turbine connecting beam (303). The wave power generation module (400) is provided with a float lifting slide rail (403) arranged on the multi-hull floating platform. The wind power generation module further includes a wind turbine vertical inverting device (201) arranged above the slice (101) and behind the wind power generator (200). The fan vertical device (201) comprises a vertical device oil cylinder (2011), a vertical device hoop (2012), a vertical device base (2013), and a vertical mechanical arm (2014). The vertical device base (2013) is hinged with the bottom of the tower drum of the wind turbine (200) at a hinge point, so that the wind turbine (200) can rotate around the vertical device base (2013). One end of the vertical mechanical arm (2014) is connected to the hinge point, so that the vertical mechanical arm (2014) can rotate around the hinge point. The vertical device hoop (2012) is arranged at the other end of the vertical mechanical arm (2014), and the inner diameter of the vertical device hoop (2012) matches the diameter of the corresponding tower drum position of the wind turbine (200). The two ends of the vertical device oil cylinder (2011) are respectively hinged with the vertical device base (2013) and the vertical mechanical arm (2014), and by adjusting the extension and contraction of the vertical device oil cylinder (2011), the vertical mechanical arm (2014) is pushed to drive the wind turbine (200) to stand upright or lie horizontally.

2. The integrated ocean energy floating energy island device of claim 1, wherein, It also comprises a secondary energy production device (601), a power supply device, and an energy storage device (600). The secondary energy production device (601), the power supply device, and the energy storage device (600) are arranged on the multi-hull floating platform. The power supply device converts and transmits the electric energy of the marine energy power generation device. The secondary energy production device (601) uses the electric energy of the marine energy power generation device to produce energy. The energy storage device (600) stores the electric energy of the marine energy power generation device and the energy produced by the secondary energy production device (601). The marine energy power generation device, the secondary energy production device (601), the power supply device, and the energy storage device (600) realize integrated and coordinated operation on the multi-hull floating platform through the multi-working-condition control device.

3. The integrated ocean energy floating energy island device of claim 1, wherein, The multi-hull floating platform comprises a watertight cabin arranged inside, a central main hull (100), and a piece body (101) arranged side by side on both sides of the central main hull (100). The watertight cabin is used for loading equipment and as a ballast water tank.

4. The integrated ocean energy floating energy island device of claim 1, wherein, The wave energy power generation module (400) comprises a float (401) and a float oil cylinder (402), and the float (401) and the float oil cylinder (402) are connected through a universal hinge, so that the float (401) can absorb motion energy in multiple directions.

5. The integrated ocean energy floating energy island device of claim 1, wherein, The control center comprises a data processing module, an operation control module, an operation monitoring module, and an emergency backup module. The data processing module performs preliminary filtering and conversion processing on the data collected by the collection system to obtain various physical quantities measured. The operation monitoring module converts the various physical quantity data into charts and realizes manual real-time monitoring through a visual interface. The operation control module outputs operation instructions to the execution module according to the various physical quantities obtained by the data processing module and the manual real-time monitoring of the operation monitoring module. The emergency backup module takes over the floating energy island device in the extreme case of failure of the operation control module, realizes manual control of the floating energy island device, and ensures the escape of the floating energy island device in an emergency.

6. The integrated ocean energy floating energy island device of claim 1, wherein, The execution module includes a floating platform control module, a device deployment and recovery control module, an energy production control module, and a power system control module. The floating platform control module controls the pressure water in each ballast tank according to instructions to adjust the floating state of the platform and controls the deployment and recovery of the single-point mooring device (104). The device deployment and recovery control module controls the deployment and recovery of the mechanical device of each power generation module according to instructions. The energy production control module controls the energy production of the ocean energy power generation device according to instructions. The power system control module controls the power supply and transmission of the floating energy island device according to instructions.

7. A method for operating and maintaining a comprehensive ocean energy floating energy island apparatus, characterized by, The ocean energy comprehensive utilization floating energy island device according to any one of claims 1-6 further comprises a wharf assembly stage, a towing and deployment stage, a power generation and operation and maintenance stage, a risk avoidance and maintenance stage, and a recovery stage. The wharf assembly stage: first, assemble the components of the multi-hull floating platform, and complete the installation and debugging of the ocean energy power generation device to ensure the normal operation of the floating energy island device. The towing and deployment stage: drive the normally operating floating energy island device to the operation sea area, fix the multi-hull floating platform at the designated position by the single-point mooring device (104), arrange the cable, connect the power grid, test and confirm the normal connection of each power generation module and the power grid, and adjust each power generation module to the power generation state by the multi-working-condition control device. The power generation and operation and maintenance stage: after the multi-hull floating platform realizes the counter-current stability of the platform posture under the action of the single-point mooring device (104), the electric energy generated by each power generation module of the ocean energy power generation device is integrated into the power grid. The risk avoidance and maintenance stage: when the extreme sea conditions occur, start the mechanical device of each power generation module to realize deployment and recovery, reduce the wind, wave and current load on the platform, and avoid risks in time; when the normal sea conditions occur, perform maintenance work, start the mechanical device of the power generation module to be maintained to realize deployment and recovery movement, and complete the maintenance work. The recovery stage: after completing the power generation task, realize the mechanical recovery of the mechanical device of each ocean energy power generation module, disconnect the power grid connection, and reach the port or the next operation sea area.

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