Ocean energy conversion floating islands and archipelago array systems

Abstract

This invention relates to a marine energy conversion floating island and an archipelago array system comprising the same, the marine energy conversion floating island including a plurality of box culverts, a plurality of ballast chambers and a plurality of generator sets. Each box culvert extends along a height direction and includes a polygonal columnar body and an arcuate protrusion on the bottom side of the body. The plurality of box culverts are arranged diagonally in an array to form a floating island body for floating on a sea surface. A plurality of pressure chambers are disposed between the plurality of box culverts, and each pressure chamber extends along the height direction and is polygonal columnar. A plurality of generator sets are disposed on the plurality of box culverts and are driven by ocean currents to convert kinetic energy into electrical energy. A top surface of each box culvert and a top surface of each pressure chamber are located on the same horizontal plane. In the height direction, the length of each pressure chamber is shorter than the length of each box culvert, so that a bottom surface of each pressure chamber and the adjacent plurality of box culverts enclose a plurality of first confluence channels. Each generator set is located in one of the first confluence channels or on one of the arcuate protrusions.

Claims

1. A floating island for marine energy conversion, comprising: A plurality of box culverts, each extending along a height direction and including a polygonal columnar body and an arcuate protrusion on the bottom side of the body, the plurality of box culverts being arranged diagonally in an array to form a floating island body for floating on a sea surface; a plurality of pressure chambers, disposed between the plurality of box culverts, each pressure chamber extending along the height direction and being polygonal columnar; and a plurality of generator sets, disposed on the plurality of box culverts, for being driven by ocean currents to convert kinetic energy into electrical energy; wherein, one top surface of each box culvert and one top surface of each pressure chamber are located on the same horizontal plane, and in the height direction, the length of each pressure chamber is shorter than the length of each box culvert, so that one bottom surface of each pressure chamber and the adjacent plurality of box culverts enclose a plurality of first confluence channels, and each generator set is located in one of the first confluence channels or on one of the arcuate protrusions.

2. The marine energy conversion floating island as claimed in claim 1, wherein the outer contour of each of the main bodies is a regular hexagon, the outer contour of each of the pressure chambers is an equilateral triangle, and the plurality of box culverts and the plurality of pressure chambers are arranged side-to-side at intervals.

3. The marine energy conversion floating island as described in claim 2, wherein the arrangement profile of the plurality of box culverts and the plurality of ballast tanks is a regular hexagon.

4. The marine energy conversion floating island as described in claim 1, wherein the length of each of the pressure chambers is 5 to 9 meters shorter than the length of a box culvert.

5. The marine energy conversion floating island as claimed in claim 1, wherein, in the height direction, the length of one of the arcuate protrusions is between 2 and 5 meters.

6. The marine energy conversion floating island as described in claim 1 further includes at least one geometric converging structure, wherein the at least one geometric converging structure is disposed on the outer side of at least one of the plurality of box culverts and the plurality of ballast chambers, and the at least one geometric converging structure includes at least one of an angled structure, a sharkskin microgroove structure and a serrated diversion comb structure.

7. The marine energy conversion floating island as described in claim 1 further includes a computing control center and a power management subsystem connected to the computing control center, wherein the power management subsystem includes a power storage unit and an energy ballast unit, the power storage unit is located in at least one of the plurality of box culverts and the plurality of ballast chambers and includes a plurality of capacitors and a plurality of lithium iron phosphate batteries, the energy ballast unit is located on the side of at least one of the ballast chambers near the bottom surface and includes a plurality of solid-state batteries, the computing control center includes a power management computing module, the power management computing module can dynamically adjust the power distribution between the power storage unit and the energy ballast unit.

8. The ocean energy conversion floating island as described in claim 7, wherein each of the generator sets includes a plurality of switched reluctance generators, and when the velocity of one of the ocean currents is higher than a preset value or the output power of one of the generator sets is greater than a preset value, the operation control center controls at least one of the switched reluctance generators to change its on / off state or electromagnetic load.

9. The marine energy conversion floating island as described in claim 1 further includes a computing control center and a thermoacoustic refrigeration subsystem connected to the computing control center, wherein the thermoacoustic refrigeration subsystem includes a high-temperature thermoacoustic refrigeration unit and a plurality of low-temperature thermoacoustic refrigeration units, the high-temperature thermoacoustic refrigeration unit is used to generate cold energy to the computing control center using a high-temperature heat source, and each of the low-temperature thermoacoustic refrigeration units is located inside a box culvert and can generate cold energy using waste heat generated by at least one of the generator sets.

10. The marine energy conversion floating island as described in claim 1, further comprising a computing control center and a dynamic positioning and attitude control subsystem connected to the computing control center, wherein the computing control center includes a positioning computing module, and the dynamic positioning and attitude control subsystem includes a power module and a sensing module, the power module includes a plurality of switched reluctance motors, each of the switched reluctance motors being disposed between an adjacent box culvert and a pressure chamber to adjust their relative positions, the sensing module including a plurality of distance sensors, each of the distance sensors being disposed between an adjacent box culvert and a pressure chamber to measure the distance between each box culvert and a pressure chamber, and the positioning computing module controlling the actuation of the plurality of switched reluctance motors based on the sensing data of the plurality of distance sensors to adjust the relative positions of the plurality of box culverts and the plurality of pressure chambers.

11. The marine energy conversion floating island as described in claim 10, wherein the dynamic positioning and attitude control subsystem further includes a horizontal attitude adjustment module, the horizontal attitude adjustment module including a plurality of active ballast tank units and a plurality of underwater control wing plates, each of the active ballast tank units being located in a pressure control chamber and being driven by a switched reluctance motor, and each of the underwater control wing plates being located on the outer periphery of a culvert and being driven by a positioning calculation module.

12. The marine energy conversion floating island as claimed in claim 1, wherein the plurality of generator sets includes a plurality of switched reluctance generators, the marine energy conversion floating island includes a plurality of switched reluctance motors, each of the switched reluctance generators and each of the switched reluctance motors includes a reluctance stator and a reluctance rotor, the central plane of one pole of the reluctance stator is provided with a plurality of uniformly distributed micro-notches, the two ends of the pole of the reluctance stator are provided with specific symmetrical inclined surfaces to smooth the magnetic field entry curve, and the cutting end of one pole of the reluctance rotor is provided with a plurality of asymmetrically arranged micro-notches, the depth ratio of the plurality of micro-notches is configured as 3:2:1 towards the cutting end.

13. The ocean energy conversion floating island as claimed in claim 12, wherein the pole piece of the reluctance rotor is further provided with a plurality of tiny circular holes adjacent to the plurality of micro-notches.

14. An archipelago array system comprising a plurality of ocean energy conversion floating islands as described in any one of claims 1 to 13, wherein the plurality of floating island bodies are arranged at intervals to each other and enclose a plurality of second confluence channels.

15. The archipelago array system as claimed in claim 14, wherein each of the floating island bodies has a regular hexagonal outer contour and is arranged side-to-side in a honeycomb array.

16. The archipelago array system as claimed in claim 14, wherein the width of one of the second confluence channels is between 0.17 and 0.83 times the maximum radial dimension of one of the floating island bodies.

17. The archipelago array system as claimed in claim 14, wherein the width of one of the second confluence channels is between 40 meters and 50 meters.

18. The archipelago array system as claimed in claim 14, wherein each of the marine energy conversion floating islands further includes an island-based transmission module, the island-based transmission module including at least one rectifier antenna tower, at least one high-energy laser tracking sight assembly, and at least one UAV take-off and landing and charging platform, each rectifier antenna tower having a directional microwave transceiver array for wireless power transmission; each high-energy laser tracking sight assembly for receiving or transmitting a high-energy laser beam; and each UAV take-off and landing and charging platform for mounting a UAV vehicle and powering the UAV vehicle using the electrical energy generated by the plurality of generator sets.

19. The island array system as claimed in claim 18, further comprising a land-based transmission module for use on a landmass and a plurality of the unmanned aerial vehicles (UAVs), the land-based transmission module including at least one energy receiving unit for receiving an electromagnetic energy beam from an island-based transmission module, each UAV being deployed between the at least one energy receiving unit and at least one floating island body and having a metamaterial reflective surface, each metamaterial reflective surface for changing the transmission direction of the electromagnetic energy beam.

20. The archipelago array system as claimed in claim 14, further comprising a land-based transmission module provided on a landmass, wherein the land-based transmission module includes at least one land-based positioning station, and each of the ocean energy conversion floating islands further includes an island-based transmission module, the island-based transmission module including at least one multi-band communication antenna group, the at least one multi-band communication antenna group being capable of transmitting and receiving 5G, 6G and satellite signals, and the at least one land-based positioning station being capable of transmitting at least one positioning information to the at least one multi-band communication antenna group using a real-time dynamic positioning technology.

21. The archipelago array system as claimed in claim 20, wherein the land-based transmission module further includes at least one land-based weather outpost, which can transmit sea morphology warning information to the at least one multi-band communication antenna array via the at least one land-based positioning station based on a long-range radar signal or satellite information.

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