Offshore multi-energy complementary combined power generation device

Abstract

The invention discloses an offshore multi-energy complementary combined power generation device, which relates to the technical field of offshore power generation and comprises a floating type foundation platform, a wind driven generator, a fan stand column, a photovoltaic power generation assembly, an energy storage assembly and an electric energy conversion module, a drill hole is formed in the center of the top of the floating type foundation platform. The bottom of the fan stand column is fixedly installed on the outer edge of the drill hole. The wind driven generator is fixedly installed on the top of the fan stand column, and the photovoltaic power generation assemblies are fixedly installed on the two sides of the fan stand column. A plurality of wave energy power generation modules are evenly distributed on the circumference of the top of the floating type foundation platform, and the electric energy conversion module is fixedly installed in the floating type foundation platform. The electric energy conversion module, the wave energy power generation module, the wind driven generator, the energy storage assembly and the photovoltaic power generation assembly are electrically connected. Optimized integrated arrangement of multiple energy sources is achieved in structure, combined complementary power supply is achieved in energy, and the technical problems that offshore electric equipment is single in power supply mode and insufficient in reliability are solved.

Description

Technical Field

[0001] The present invention relates to the field of offshore power generation technology, and in particular to an offshore multi-energy complementary combined power generation device. Background Art

[0002] With the further development and utilization of marine resources in my country, the deployment demand for offshore power equipment such as wind radar, marine mobile buoys, and marine aquaculture platforms has greatly increased. However, offshore power equipment mainly relies on regular replacement of batteries, wave energy, or wind energy for power supply. The power supply method is single and the reliability is insufficient, which cannot meet the long-term stable power demand of offshore power equipment. Summary of the invention

[0003] The present invention provides an offshore multi-energy complementary combined power generation device, which solves the technical problem that the current offshore electrical equipment mainly relies on regular replacement of batteries, wave energy or wind energy for power supply, has a single power supply mode, insufficient reliability, and cannot meet the long-term stable power demand of offshore electrical equipment.

[0004] The present invention provides an offshore multi-energy complementary combined power generation device, comprising a floating foundation platform, a wind turbine, a wind turbine column, a photovoltaic power generation component, an energy storage component and an electric energy conversion module;

[0005] A drilling hole is provided at the center of the top of the floating foundation platform, and the bottom of the wind turbine column is fixedly installed on the outer edge of the drilling hole;

[0006] The wind turbine generator is fixedly installed on the top of the wind turbine column, and the photovoltaic power generation components are fixedly installed on both sides of the wind turbine column;

[0007] A plurality of wave energy power generation modules are evenly distributed on the top circumference of the floating foundation platform;

[0008] The electric energy conversion module is fixedly installed inside the floating basic platform;

[0009] The electric energy conversion module, the wave energy power generation module, the wind turbine, the energy storage component and the photovoltaic power generation component are electrically connected;

[0010] The electric energy conversion module is used to receive the electric energy output by the wave energy generation module, the wind turbine, the energy storage component and the photovoltaic power generation component and transmit the electric energy to external electrical equipment, the hydrogen energy component or the energy storage battery.

[0011] Optionally, a double-deck cabin, a second-deck equipment cabin and a counterweight cabin are sequentially arranged in the vertical direction inside the floating basic platform;

[0012] The energy storage component includes an energy storage battery;

[0013] The double-layer cabin includes an annular air chamber and a layer of equipment cabin, and the annular air chamber and the layer of equipment cabin are located on the same symmetry axis;

[0014] The hydrogen energy component is fixedly installed inside the first-floor equipment compartment, and the electric energy conversion module and the energy storage battery are fixedly installed inside the second-floor equipment compartment.

[0015] Optionally, the wave energy power generation module comprises an air pipe, a turbine and a permanent magnet generator;

[0016] The air pipe is arranged through the top of the annular air chamber, and the turbine is fixedly installed on the top of the air pipe;

[0017] The turbine is connected to the permanent magnet generator via a coupling;

[0018] A plurality of reinforcing ribs are evenly distributed on the circumference of the middle part of the annular air chamber, and the outer wall and the inner wall of the annular air chamber are connected by the reinforcing ribs;

[0019] A wave entry hole is provided at the lower outer side of the annular air chamber, and the number of the wave entry holes is the same as the number of the wave energy power generation modules.

[0020] Optionally, the photovoltaic power generation assembly includes a photovoltaic panel and a photovoltaic panel bracket;

[0021] The photovoltaic panel bracket is fixedly installed on both sides of the fan column, and the photovoltaic panel is fixedly installed on the photovoltaic panel bracket.

[0022] Optionally, a fan is provided inside the second-layer equipment cabin, and the fan is close to the bottom of the second-layer equipment cabin;

[0023] A ventilation pipe is provided vertically through the floating foundation platform;

[0024] The lower end of the ventilation pipe is connected to the fan, the upper end of the ventilation pipe passes through the top of the floating basic platform, and the upper part of the ventilation pipe is in the form of a downward curved pipe.

[0025] Optionally, a counterweight pipe is provided through the floating foundation platform in the vertical direction;

[0026] The lower end of the ballast pipe is located in the ballast cabin, and the upper end of the ballast pipe passes through the top of the floating foundation platform;

[0027] A plugging cover is installed on the upper end of the counterweight tube.

[0028] Optionally, the energy storage component further includes a hydrogen energy component, wherein the hydrogen energy component includes a hydrogen production module, a hydrogen storage tank and a hydrogen fuel cell;

[0029] The hydrogen production module is used to receive the electric energy output by the electric energy conversion module, use the electric energy output by the electric energy conversion module to electrolyze water to generate hydrogen and transport the hydrogen to the hydrogen storage tank;

[0030] The hydrogen storage tank is used to store the hydrogen produced by the hydrogen production module for use in hydrogen fuel cells.

[0031] The hydrogen fuel cell is used to convert the hydrogen in the hydrogen storage tank to obtain electrical energy which is then transmitted to the electrical energy conversion module.

[0032] Optionally, a material hole is opened on the top of the floating basic platform, and the lower end of the material hole is located inside the second-floor equipment cabin.

[0033] Optionally, exhaust holes are evenly distributed on the outer circumference of the fan column;

[0034] A column bracket is provided on one side of the fan column close to the material hole, and one end of the column bracket is fixedly installed on the top of the floating foundation platform.

[0035] Optionally, an anchor chain for fixing the floating foundation platform is provided at the bottom of the floating foundation platform;

[0036] One end of the anchor chain is connected with an anchor head.

[0037] It can be seen from the above technical solutions that the present invention has the following advantages:

[0038] The present invention integrates wind turbines, photovoltaic power generation components, hydrogen energy components, wave power generation modules, and energy storage batteries on a floating foundation platform, and adopts an optimized high-reliability integrated layout scheme to improve the utilization rate of offshore renewable energy and ensure the overall reliable power supply of the device. Compared with traditional power equipment, the present invention overcomes the technical problems of single power supply mode, insufficient reliability, and inability to meet the long-term stable power demand of offshore power equipment. By rationally arranging different power supply equipment, it ensures the optimization of energy production under different weather and sea conditions, and improves the reliability of power supply equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0040] Figure 1 A schematic diagram of the structure of an offshore multi-energy complementary combined power generation device provided by an embodiment of the present invention;

[0041] Figure 2 Schematic diagram of the floating foundation platform structure provided by the embodiment of the present invention Figure 1 ;

[0042] Figure 3 Schematic diagram of the floating foundation platform structure provided by the embodiment of the present invention Figure 2 ;

[0043] Figure 4 A schematic diagram of the structure of a wave energy power generation module provided by an embodiment of the present invention;

[0044] Figure 5 A schematic diagram of the line connection of an offshore multi-energy complementary combined power generation device provided by an embodiment of the present invention;

[0045] The reference numerals are as follows:

[0046] 1. Floating foundation platform; 2. Wind turbine column; 3. Photovoltaic power generation component; 4. Wind turbine; 5. Electric energy conversion module; 6. Wave energy generation module; 7. Energy storage battery; 8. Annular air chamber; 9. First-floor equipment cabin; 10. Second-floor equipment cabin; 11. Counterweight cabin; 12. Air pipe; 13. Turbine; 14. Permanent magnet generator; 15. Reinforcement rib; 16. Wave inlet hole; 17. Fan; 18. Ventilation pipe; 19. Counterweight pipe; 20. Plug cover; 21. Hydrogen production module; 22. Hydrogen fuel cell; 23. Material hole; 24. Exhaust hole; 25. Column bracket; 26. Anchor chain; 27. Hydrogen storage tank. DETAILED DESCRIPTION

[0047] An embodiment of the present invention provides an offshore multi-energy complementary combined power generation device, which is used to solve the technical problem that current offshore electrical equipment mainly relies on regular replacement of batteries, wave energy or wind energy for power supply, and the power supply method is single and unreliable, and cannot meet the long-term stable power demand of offshore electrical equipment.

[0048] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0049] For easier understanding, see Figure 1-5 , an offshore multi-energy complementary combined power generation device, comprising a floating foundation platform 1, a wind turbine 4, a wind turbine column 2, a photovoltaic power generation component 3, an energy storage component and an electric energy conversion module 5;

[0050] A drilling hole is opened at the center of the top of the floating foundation platform 1, and the bottom of the wind turbine column 2 is fixedly installed on the outer edge of the drilling hole;

[0051] The wind turbine 4 is fixedly installed on the top of the wind turbine column 2, and the photovoltaic power generation components 3 are fixedly installed on both sides of the wind turbine column 2;

[0052] A plurality of wave energy generation modules 6 are evenly distributed on the top circumference of the floating foundation platform 1, and the power conversion module 5 is fixedly installed inside the floating foundation platform 1;

[0053] The electric energy conversion module 5, the wave energy generation module 6, the wind turbine 4, the energy storage component and the photovoltaic power generation component 3 are electrically connected;

[0054] The electric energy conversion module 5 is used to receive the electric energy output by the wave energy generation module 6, the wind turbine 4, the energy storage component and the photovoltaic power generation component 3 and transmit the electric energy to external electrical equipment, hydrogen energy components or energy storage batteries 7.

[0055] In an embodiment of the present invention, an offshore multi-energy complementary combined power generation device includes a floating foundation platform 1, a wind turbine 4, a wind turbine column 2, a photovoltaic power generation component 3, an energy storage component and an electric energy conversion module 5, wherein the energy storage component includes a hydrogen energy component and an energy storage battery 7. The wind turbine 4 is fixed to the outer edge of a drilled hole opened at the top center of the floating foundation platform 1 through the wind turbine column 2, and the wind energy is used to rotate the blades of the wind turbine 4, driving the wind turbine 4 to generate electric energy and transmit it to the electric energy conversion module 5. The photovoltaic power generation component 3 is fixedly installed on both sides of the wind turbine column 2, converting light energy into electric energy and transmitting it to the electric energy conversion module 5. The wave energy power generation module 6 is evenly distributed on the top circumference of the floating foundation platform 1, and uses the up and down movement of the waves to generate mechanical energy, which is then converted into electric energy and transmitted to the electric energy conversion module 5. The electric energy conversion module 5 is used to receive the electric energy output by the wave energy power generation module 6, the wind turbine 4, the hydrogen energy component, the energy storage battery 7 and the photovoltaic power generation component 3, and perform rectification, inversion, voltage boosting or voltage reduction and other processing to meet the voltage and frequency requirements of the external electrical equipment, and then transmit it to the external electrical equipment, or charge the hydrogen energy component or the energy storage battery 7, so as to realize the reliable transmission and conversion of electric energy between the wave energy power generation module, the wind turbine, the hydrogen energy component, the energy storage battery, the photovoltaic power generation component and the external electrical equipment.

[0056] It should be noted that the wind turbine 4 is a vertical axis wind turbine 4 .

[0057] See also Figure 2As shown, a double-deck cabin, a second-layer equipment cabin 10 and a counterweight cabin 11 are sequentially arranged in the vertical direction inside the floating basic platform 1; the energy storage assembly includes an energy storage battery 7; the double-deck cabin includes an annular air chamber 8 and a first-layer equipment cabin 9, and the annular air chamber 8 and the first-layer equipment cabin 9 are on the same symmetry axis; the hydrogen energy assembly is fixedly installed inside the first-layer equipment cabin 9, and the electric energy conversion module 5 and the energy storage battery 7 are fixedly installed inside the second-layer equipment cabin 10.

[0058] In an embodiment of the present invention, the floating foundation platform 1 is a cylindrical floating platform with multiple layers of hollow chambers, which can resist the impact of wind and waves at sea and ensure the stability of the platform in harsh marine environments. The interior of the floating foundation platform 1 is divided into three layers from top to bottom by steel plates in the vertical direction. The first layer is a double-layer cabin, the second layer is a second-layer equipment cabin 10, and the third layer is a counterweight cabin 11, realizing a modular design to facilitate the installation, maintenance and replacement of each component. The double-layer cabin is divided into two layers, the outer layer is an annular air chamber 8 used as a wave energy power generation annular air chamber 8, and the inner layer is a first-layer equipment cabin 9 installed with hydrogen energy components. The second-layer equipment cabin 10 is installed with an electric energy conversion module 5 and an energy storage battery 7.

[0059] See also Figure 4 As shown, the wave energy power generation module 6 includes an air pipe 12, a turbine 13 and a permanent magnet generator 14; the air pipe 12 is arranged through the top of the annular air chamber 8, and the turbine 13 is fixedly installed on the top of the air pipe 12; the turbine 13 is connected to the permanent magnet generator 14 through a coupling; a plurality of reinforcing ribs 15 are evenly distributed on the circumference of the middle part of the annular air chamber 8, and the outer wall and the inner wall of the annular air chamber 8 are connected through the reinforcing ribs 15; a wave inlet hole 16 is opened at the lower outer side of the annular air chamber 8, and the number of the wave inlet holes 16 is the same as the number of the wave energy power generation module 6.

[0060] In the embodiment of the present invention, the wave energy power generation module 6 includes an air pipe 12, a turbine 13 and a permanent magnet generator 14. The air pipe 12 is installed at the top opening of the annular air chamber 8. The air pipe 12 extends upward from the top surface of the base platform. The turbine 13 is installed at the top of the air pipe 12. The permanent magnet generator 14 is installed on the upper part of the turbine 13. The turbine 13 and the permanent magnet generator 14 rotate synchronously through a coupling. A reinforcing rib 15 is arranged in the annular air chamber 8. The reinforcing rib 15 is plate-shaped and connects the inner wall and the outer wall of the air chamber. The height of the reinforcing rib 15 is less than the height of the annular air chamber 8, and a hole is punched in the middle of the reinforcing rib 15 to ensure the air circulation in the entire air chamber. A wave inlet hole 16 is opened at the lower part of the outer side of the annular air chamber 8, which is connected to the external seawater through the wave inlet hole 16. And the number of wave inlet holes 16 is the same as that of the wave energy power generation module 6, which helps to improve the efficiency of wave energy capture and enhance the adaptability and stability of the device.

[0061] It should be noted that the position of the wave entry hole 16 is below the waterline, corresponding to the position of the air pipe 12, and the reinforcing ribs 15 and the wave entry hole 16 are staggered in the circumferential direction of the base platform.

[0062] It should be noted that the design of the annular air chamber 8 fully utilizes the structure of the floating base platform 1 without adding any additional structures, while ensuring the wave energy capture efficiency and the platform hydrodynamic performance.

[0063] It is worth mentioning that the turbine 13 obtains energy from the annular air chamber 8 through the air pipe 12. The combined structure of the annular air chamber and the wave energy generation module improves the overall energy conversion efficiency.

[0064] It should be noted that the turbine 13 is a Wells turbine 13, which can convert the inlet and outlet bidirectional flows of the airflow into rotations in the same direction, thereby improving the conversion efficiency of wave energy power generation.

[0065] See also Figure 1 As shown, the photovoltaic power generation assembly 3 includes a photovoltaic panel and a photovoltaic panel bracket; the photovoltaic panel bracket is fixedly installed on both sides of the fan column 2, and the photovoltaic panel is fixedly installed on the photovoltaic panel bracket.

[0066] In an embodiment of the present invention, the photovoltaic power generation assembly 3 includes a photovoltaic panel and a photovoltaic panel bracket. The photovoltaic panel bracket is fixedly installed on both sides of the fan column 2, and the photovoltaic panel is fixedly installed on the photovoltaic panel bracket, which makes full use of the vertical space and reduces the horizontal floor space, so that more photovoltaic panels can be installed in a limited space, thereby improving the space utilization efficiency.

[0067] See also Figure 3 As shown, a fan 17 is provided inside the second-floor equipment cabin 10, and the fan 17 is close to the bottom of the second-floor equipment cabin 10; a ventilation pipe 18 is vertically penetrated through the floating basic platform 1; the lower end of the ventilation pipe 18 is connected to the fan 17, and the upper end of the ventilation pipe 18 passes through the top of the floating basic platform 1.

[0068] In the embodiment of the present invention, a ventilation pipe 18 is provided through the floating foundation platform 1 in the vertical direction, and the ventilation pipe 18 runs from the top of the floating foundation platform 1 to the inside of the second-floor equipment cabin 10. The upper end of the ventilation pipe 18 is in the form of a curved pipe with an opening facing downward, and the lower end of the ventilation pipe 18 extends to the second-floor equipment cabin 10 near the bottom, and a fan 17 is installed. It helps to extract heat from the second-floor equipment cabin 10 and discharge it to the top of the floating foundation platform 1 through the ventilation pipe 18, thereby reducing the temperature in the second-floor equipment cabin 10, ensuring the normal operation of the energy storage battery 7 and the power conversion module and extending the service life. The ventilation pipe and the fan fully guarantee the oxygen needs of personnel working in the device and the operation of the hydrogen fuel cell, and at the same time can effectively discharge the hydrogen discharged or leaked by the hydrogen energy system to the outside of the device, thereby improving the safety and reliability of the device.

[0069] See also Figure 3As shown, a ballast pipe 19 is vertically penetrated through the floating foundation platform 1; the lower end of the ballast pipe 19 is located in the ballast cabin 11, and the upper end of the ballast pipe 19 passes through the top of the floating foundation platform 1; a plug cover 20 is installed on the upper end of the ballast pipe 19.

[0070] In the embodiment of the present invention, a ballast pipe 19 is provided in the vertical direction of the floating foundation platform 1, the upper end of the ballast pipe 19 is higher than the top surface of the floating foundation platform 1, and the lower end of the ballast pipe 19 is slightly lower than the top surface of the ballast chamber 11, and the ballast object is added to the ballast chamber through the ballast pipe 19. A plug cover 20 is installed at the upper end of the ballast pipe 19, which can effectively seal the upper end of the ballast pipe 19, prevent seawater or foreign matter from entering the interior of the floating foundation platform 1 through the ballast pipe 19, and ensure the stability of the operation of the internal equipment of the floating foundation platform 1.

[0071] See also Figure 2 As shown, the energy storage component also includes a hydrogen energy component, wherein the hydrogen energy component includes a hydrogen production module 21, a hydrogen storage tank 27 and a hydrogen fuel cell 22; the hydrogen production module 21 is used to receive the electric energy output by the electric energy conversion module 5, generate hydrogen by electrolyzing water and transport the hydrogen to the hydrogen storage tank 27; the hydrogen fuel cell 22 uses the hydrogen in the hydrogen storage tank 27 to generate electricity, and the obtained electric energy is transported to the electric energy conversion module 5.

[0072] In an embodiment of the present invention, the hydrogen energy component includes a hydrogen production module 21, a hydrogen storage tank 27 and a hydrogen fuel cell 22. The hydrogen production module 21 is used to obtain the electric energy output by the electric energy conversion module 5, and to produce hydrogen through the electric energy and transmit it to the hydrogen storage tank 27. The hydrogen fuel cell 22 is used to generate electricity using the hydrogen in the hydrogen storage tank 27, and obtain corresponding electric energy to be transmitted to the electric energy conversion module 5.

[0073] In another embodiment, the electric energy conversion module 5 is used to receive the electric energy output by the wave energy generation module 6, the wind turbine 4, the hydrogen fuel cell 22, the energy storage battery 7 and the photovoltaic power generation component, and can also transmit the electric energy to external electrical equipment, the hydrogen production module 21 or the energy storage battery 7.

[0074] See also Figure 1 As shown, a material hole 23 is opened on the top of the floating basic platform 1, and the lower end of the material hole 23 is located inside the second-floor equipment cabin 10.

[0075] In the embodiment of the present invention, a material hole 23 is provided on the top of the floating foundation platform 1, which is directly connected to the second-layer chamber of the platform. The material hole 23 is used for hoisting equipment inside the floating foundation platform 1 and for personnel to go up and down.

[0076] See also Figure 1 As shown, exhaust holes 24 are evenly distributed on the outer circumference of the fan column 2; a column bracket 25 is provided on the side of the fan column 2 close to the material hole 23, and one end of the column bracket 25 is fixedly installed on the top of the floating foundation platform 1.

[0077] In the embodiment of the present invention, the fan column 2 is a hollow structure, and four hollow lower curved pipes are arranged on the outside of the fan column 2 as exhaust holes 24 for wiring and ventilation. A column bracket 25 is arranged on the side of the fan column 2 close to the material hole 23, and the column bracket 25 can play a supporting role for the fan column 2. A lifting ring is installed on the crossbeam of the column bracket 25 above the material hole 23 for lifting equipment.

[0078] See also Figure 1 As shown, an anchor chain 26 for fixing the floating foundation platform 1 is provided at the bottom of the floating foundation platform 1;

[0079] One end of the anchor chain 26 is connected with an anchor head.

[0080] In the embodiment of the present invention, three anchor chains 26 are connected to the bottom of the platform, and one end of the anchor chain 26 is connected to an anchor head for fixing the floating foundation platform 1.

[0081] It should be noted that, see Figure 5 As shown, the wind turbine 4, wave power generation module 6, photovoltaic panel, hydrogen fuel cell 22, and hydrogen production module 21 are all connected to the power conversion module, and the power conversion module 5 is equipped with an external power supply port to supply power to external electrical equipment. The electric energy generated by the wind turbine 4, wave power generation module 6, and photovoltaic panel is collected in the power conversion module 5. The hydrogen production module 21 takes electricity from the power conversion module 5 to produce hydrogen, which is stored in the hydrogen storage tank 27. The hydrogen fuel cell 22 consumes the hydrogen in the hydrogen storage tank 27 to generate electricity and transmits it to the power conversion module 5. The energy storage battery 7 can take electricity from the power conversion module 5 for storage, and can also transmit the electric energy in the battery to the power conversion module 5 for external power supply.

[0082] It should be noted that the lead-out line of the permanent magnet generator 14 of the wave energy power generation module 6 is arranged along the top surface of the floating foundation platform 1 and the surface of the fan column 2, and enters the first-floor equipment cabin 9 through the wire hole (exhaust hole 24) of the fan column 2 and the hollow structure of the fan column 2. The lead-out line of the wind turbine 4 and the lead-out line of the photovoltaic panel also enter the first-floor equipment cabin 9 through the wire hole of the fan column 2 and the hollow structure of the fan column 2. The electrical lines in the first-floor equipment cabin 9 are arranged along the cabin floor, inner wall and ceiling. Holes are drilled on the floor of the first-floor equipment cabin 9 near the hydrogen fuel cell 22, hydrogen production module 21 and other equipment locations, and connected to the second-floor equipment cabin 10 for circuit layout.

[0083] It should be noted that when external equipment uses electricity, its electrical lines are also arranged along the top surface of the floating foundation platform 1 and the surface of the wind turbine column 2, enter the equipment cabin through the wire holes of the wind turbine column 2 and the hollow structure of the wind turbine column 2, and finally converge in the power conversion module 5.

[0084] In the embodiment of the present invention, the present invention integrates a wind turbine 4, a photovoltaic power generation component 3, a hydrogen energy component and a wave energy power generation module 6 on a floating base platform 1, thereby improving the utilization rate of offshore renewable energy and ensuring reliable power supply for the entire device. Compared with traditional power equipment, the present invention overcomes the technical problems that the power supply mode of offshore power equipment is single, the reliability is insufficient, and the long-term stable power demand of offshore power equipment cannot be met. By rationally arranging different power supply equipment, it is ensured that energy production is optimized under different weather and sea conditions, thereby improving the reliability of power supply equipment.

[0085] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0086] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.

[0087] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0088] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An offshore multi-energy complementary combined power generation device, characterized in that: It includes a floating foundation platform, a wind turbine, a wind turbine column, a photovoltaic power generation component, an energy storage component and an electric energy conversion module; A drilling hole is provided at the center of the top of the floating foundation platform, and the bottom of the wind turbine column is fixedly installed on the outer edge of the drilling hole; The wind turbine generator is fixedly installed on the top of the wind turbine column, and the photovoltaic power generation components are fixedly installed on both sides of the wind turbine column; A plurality of wave energy power generation modules are evenly distributed on the top circumference of the floating foundation platform; The electric energy conversion module is fixedly installed inside the floating basic platform; The electric energy conversion module, the wave energy power generation module, the wind turbine, the energy storage component and the photovoltaic power generation component are electrically connected; The electric energy conversion module is used to receive the electric energy output by the wave energy generation module, the wind turbine, the energy storage component and the photovoltaic power generation component and transmit the electric energy to external electrical equipment, the hydrogen energy component or the energy storage battery.

2. The offshore multi-energy complementary combined power generation device according to claim 1 is characterized in that: The floating foundation platform is provided with a double-deck cabin, a second-deck equipment cabin and a counterweight cabin in sequence in the vertical direction; The energy storage component includes an energy storage battery; The double-layer cabin includes an annular air chamber and a layer of equipment cabin, and the annular air chamber and the layer of equipment cabin are located on the same symmetry axis; The hydrogen energy component is fixedly installed inside the first-floor equipment compartment, and the electric energy conversion module and the energy storage battery are fixedly installed inside the second-floor equipment compartment.

3. The offshore multi-energy complementary combined power generation device according to claim 2 is characterized in that: The wave energy power generation module comprises an air pipe, a turbine and a permanent magnet generator; The air pipe is arranged through the top of the annular air chamber, and the turbine is fixedly installed on the top of the air pipe; The turbine is connected to the permanent magnet generator via a coupling; A plurality of reinforcing ribs are evenly distributed on the circumference of the middle part of the annular air chamber, and the outer wall and the inner wall of the annular air chamber are connected by the reinforcing ribs; A wave entry hole is provided at the lower outer side of the annular air chamber, and the number of the wave entry holes is the same as the number of the wave energy power generation modules.

4. The offshore multi-energy complementary combined power generation device according to claim 1 is characterized in that: The photovoltaic power generation assembly includes a photovoltaic panel and a photovoltaic panel bracket; The photovoltaic panel bracket is fixedly installed on both sides of the fan column, and the photovoltaic panel is fixedly installed on the photovoltaic panel bracket.

5. The offshore multi-energy complementary combined power generation device according to claim 2 is characterized in that: A fan is provided inside the second-floor equipment cabin, and the fan is close to the bottom of the second-floor equipment cabin; A ventilation pipe is provided vertically through the floating foundation platform; The lower end of the ventilation pipe is connected to the fan, the upper end of the ventilation pipe passes through the top of the floating basic platform, and the upper part of the ventilation pipe is in the form of a downward curved pipe.

6. The offshore multi-energy complementary combined power generation device according to claim 2 is characterized in that: The floating foundation platform is provided with a counterweight pipe in the vertical direction; The lower end of the ballast pipe is located in the ballast cabin, and the upper end of the ballast pipe passes through the top of the floating foundation platform; A plugging cover is installed on the upper end of the counterweight tube.

7. The offshore multi-energy complementary combined power generation device according to claim 1 is characterized in that: The energy storage assembly also includes a hydrogen energy assembly, wherein the hydrogen energy assembly includes a hydrogen production module, a hydrogen storage tank and a hydrogen fuel cell; The hydrogen production module is used to receive the electric energy output by the electric energy conversion module, use the electric energy output by the electric energy conversion module to electrolyze water to generate hydrogen and transport the hydrogen to the hydrogen storage tank for storage; The hydrogen fuel cell is used to convert the hydrogen in the hydrogen storage tank to obtain electrical energy which is then transmitted to the electrical energy conversion module.

8. The offshore multi-energy complementary combined power generation device according to claim 2 is characterized in that: A material hole is provided on the top of the floating basic platform, and the lower end of the material hole is located inside the second-floor equipment cabin.

9. The offshore multi-energy complementary combined power generation device according to claim 8, characterized in that: The fan column has exhaust holes evenly distributed on the outer circumference; A column bracket is provided on one side of the fan column close to the material hole, and one end of the column bracket is fixedly installed on the top of the floating foundation platform.

10. The offshore multi-energy complementary combined power generation device according to claims 1-9, characterized in that: An anchor chain for fixing the floating basic platform is provided at the bottom of the floating basic platform; One end of the anchor chain is connected with an anchor head.

Images