Fixed offshore charging station based on wave-wind-light three-in-one power generation

Abstract

The invention provides a fixed offshore charging station based on wave-wind-light three-in-one power generation. The fixed offshore charging station is installed at the offshore bottom, wave energy is captured through vertical movement of a floater, kinetic energy is transmitted through a mechanical mechanism in the device, and the mechanical energy is converted into electric energy through a power generator; wind energy and solar energy are captured through the vertical-axis wind driven generator and the solar cell panel, energy collection is conducted through the wave-wind-light three-in-one combined circuit device, the storage battery is charged, and wave-wind-light three-in-one renewable energy utilization is achieved. According to the device, a mechanical electric energy conversion mode is adopted, oil pollution is avoided, the underwater part is of a totally-closed structure, and green, efficient and reliable renewable energy utilization is achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of offshore power generation devices, and in particular relates to a fixed offshore charging station based on wave-wind-solar three-in-one power generation. Background Art

[0002] Since the Industrial Revolution, the consumption of fossil fuels such as oil, coal, and natural gas has severely damaged the Earth's ecological environment. Furthermore, the non-renewable nature of fossil fuels has led to energy shortages worldwide, posing a serious threat to the sustainable development of human society. Improving society's energy consumption structure is urgently needed. Countries around the world are increasingly interested in clean, renewable energy. Oceans cover approximately three-quarters of the Earth's total surface area and contain abundant renewable energy. To fully utilize the energy from waves, wind, and sunlight at sea, and to store this energy for charging ships and aircraft, it is necessary to design a three-in-one offshore charging station. Summary of the Invention

[0003] The patent of this invention aims to provide a fixed offshore charging station based on wave-wind-light three-in-one power generation, in order to reduce the impact of the consumption of fossil energy such as oil, coal, and natural gas proposed in the above background technology on the earth's ecological environment, improve the social energy consumption structure, and utilize renewable energy; this device uses a mechanical power conversion method, has no oil pollution, and the underwater part is a fully enclosed structure, realizing green, efficient and reliable energy utilization.

[0004] To solve the above technical problems, the technical solution adopted by the present invention is: a fixed offshore charging station based on wave-wind-solar three-in-one power generation, which is installed on the bottom of the offshore area, captures wave energy through the vertical movement of the float, transmits kinetic energy through the internal mechanical mechanism of the device, and converts mechanical energy into electrical energy through the generator; captures wind energy and solar energy through vertical axis wind turbines and solar panels, and uses wave-wind-solar three-in-one combined circuit equipment to collect energy and charge batteries, thereby realizing the utilization of wave-wind-solar three-in-one renewable energy.

[0005] Preferably, the fixed offshore charging station includes a hydraulic structure fixed base, which is vertically installed on the offshore bottom; an equipment installation platform is fixedly connected to the upper platform of the three pillars of the hydraulic structure fixed base through an upper guide rod, and is installed inside the float; the float is connected to the vertical guide vibration mechanism through an ear shaft, and the vertical guide vibration mechanism is installed in the pillar of the hydraulic structure fixed base; a gear rack transmission mechanism is installed on the equipment installation platform, wherein the rack is installed at the bottom of the float; a planetary gearbox is installed on the equipment installation platform and is connected to the output shaft of the second meshing gear of the gear rack transmission mechanism; a generator is installed on the equipment installation platform and is connected to the output shaft of the planetary gearbox, and the generated electricity is transmitted through the float The wave energy power electronic conversion system converts it into stable electrical energy; the vertical axis wind turbine is installed on the top of the pillar of the fixed base of the hydraulic structure; the solar panel is installed on the three-pillar upper platform of the fixed base of the hydraulic structure; the wave-wind-light three-in-one combined circuit device is installed on the three-pillar upper platform of the fixed base of the hydraulic structure, receives the electrical energy generated by the generator, the vertical axis wind turbine and the solar panel, and transmits the stable electrical energy of the wave-wind-light three-in-one combined circuit device to the battery through the cable; the battery is installed on the fixed offshore charging platform, and the fixed offshore charging platform is installed on the planned island or sea area; the charging device is installed on the fixed offshore charging platform to charge the offshore electrical equipment.

[0006] Preferably, the fixed base of the hydraulic structure is a concrete structure, equipped with three sets of vertically guided vibration mechanisms, fixed to the offshore bottom, three vertical axis wind turbines are installed on the three pillars of the fixed base of the hydraulic structure, and solar panels and wave-wind-light three-in-one combined circuit equipment are installed on the platform above the three pillars of the fixed base of the hydraulic structure.

[0007] Preferably, the equipment installation platform is connected to the fixed base of the hydraulic structure through an upper guide rod. The equipment installation platform is a rounded platform. Two holes for installing a rack and pinion transmission mechanism are provided on the equipment installation platform. The rack and pinion transmission mechanism, the planetary gearbox, the generator and the wave energy power electronic conversion system are placed on the equipment installation platform. The float has a guide groove at the top that passes through the upper guide rod. The upper guide rod and the linear bearing of the float upper guide rod form a sliding fit. The linear bearing of the guide rod is arranged inside the guide groove and fixedly connected to the two racks on the float base.

[0008] Preferably, the vertical guide vibration mechanism consists of a vertical guide rod, a vertical guide system spring, a vertical guide system damper, a linear bearing and a wedge-shaped limit block. The vertical guide rod is arranged inside the column, and the vertical guide rod is equipped with a vertical guide system damper, a vertical guide system spring and a wedge-shaped limit block. The outer surface of the float is slidably mounted on the vertical guide rod through a connecting ear shaft and a linear bearing.

[0009] Preferably, the upper guide rod is a solid cylinder fixed at the center of the equipment installation platform and passes through the top guide groove of the float.

[0010] Preferably, each group of the rack and pinion transmission mechanism consists of a rack and four first meshing gears, four first meshing gear shafts, four first meshing gear bearings, two second meshing gears, two second meshing gear shafts and two second meshing gear bearings, one rack is respectively meshed with the four first meshing gears on the left and right sides, every two first meshing gears are meshed with one second meshing gear, a flywheel is connected to the second meshing gear shaft, and the second meshing gear shaft is connected to the planetary gear box input shaft of the planetary gear box through a coupling; The rack is fixedly connected to the bottom of the float and passes through the rack through-hole on the equipment mounting platform. The rack and pinion transmission mechanism formed by the rack, the first meshing gear and the second meshing gear is placed in the box.

[0011] Preferably, the planetary gearbox is composed of a planetary gearbox input shaft, a sun gear, planetary gears, a ring gear, a planetary carrier, and a planetary gearbox output shaft, and is mounted on an equipment mounting platform. The output shaft of the rack and pinion transmission mechanism is connected to the input shaft of the planetary gearbox, and the speed of the output shaft is transmitted to the generator through the planetary gearbox. The generator is a permanent magnet synchronous generator, which is installed on the equipment installation platform and transmits the generated three-phase current to the wave energy power electronic conversion system; The wave energy power electronic conversion system is installed on the equipment installation platform, and performs rectification, filtering, and voltage transformation on the three-phase current generated by the generator, and transmits it to the wave-wind-solar three-in-one combined circuit equipment; The vertical axis wind turbine is composed of a central support, a fixed blade auxiliary support, a wind wheel hub, blades and a gear box. The three vertical axis wind turbines are respectively installed on the top of the pillars of the fixed base of the hydraulic structure; The solar panel consists of solar cells, packaging materials, frames and junction boxes, and is installed on a three-pillar upper platform of a fixed base of a hydraulic structure to transmit the electric energy generated by a vertical axis wind turbine and solar panels to a wave-wind-light three-in-one combined circuit device.

[0012] Preferably, the wave-wind-light three-in-one combined circuit device consists of a DC transformer circuit and a wave-wind-light three-in-one combined circuit, and is installed on a three-pillar upper platform of a fixed base of a hydraulic structure to combine the electric energy generated by the generator, vertical axis wind turbine and solar panel to charge the battery.

[0013] Preferably, the battery is made of lithium-ion material and is installed on a fixed offshore charging platform, receiving the combined power of the wave-wind-solar three-in-one combined circuit device through a cable; The fixed offshore charging platform is a concrete hydraulic structure fixed on a planned island or sea area, and is equipped with a battery pack and charging equipment; The charging equipment is installed on a fixed offshore charging platform to charge offshore electrical equipment.

[0014] The present invention has the following beneficial effects: 1. The wave energy float shell of the fixed offshore charging station based on wave-wind-light three-in-one power generation of the present invention uses corrosion-resistant materials, which improves the corrosion resistance of the wave energy power generation device.

[0015] 2. The survivability of offshore power generation devices under extreme sea conditions is low. The fixed offshore charging station based on wave-wind-light three-in-one power generation of the present invention uses springs, dampers and wedge-shaped limit blocks in the vertically guided vibration mechanism to cope with excessive damage to the power generation device when sea conditions change, thereby improving the survivability of the wave energy power generation device.

[0016] 3. Offshore power generation equipment is susceptible to metal corrosion. The energy conversion and power generation mechanism, as well as the power electronic conversion system and other components of the fixed offshore charging station based on wave-wind-solar three-in-one power generation of the present invention are all inside the float, achieving full sealing, which can effectively solve the problem of equipment corrosion.

[0017] 4. The fixed offshore charging station based on wave-wind-solar three-in-one power generation of the present invention adopts a mechanical energy transmission mechanism, which improves energy conversion efficiency and reduces maintenance costs.

[0018] 5. Offshore power generation equipment will be affected by the strong randomness of offshore energy, resulting in unstable power generation. The fixed offshore charging station based on wave-wind-light three-in-one power generation of the present invention achieves stable output of electric energy through the complementarity of wave-wind-light three energy sources. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and examples.

[0020] Figure 1 It is a schematic diagram of the layout of the horizontal guide system of the hydraulic structure provided by the present invention.

[0021] Figure 2 This is a three-dimensional perspective view of a fixed offshore charging station based on wave-wind-solar three-in-one power generation provided by the present invention.

[0022] Figure 3 It is a three-dimensional schematic diagram of the hydraulic structure fixed base and equipment installation platform structure provided by the present invention.

[0023] Figure 4 It is a three-dimensional cross-sectional view of the outer structure of the float provided by the present invention.

[0024] Figure 5 It is a schematic diagram of the vertical guide vibration mechanism provided by the present invention.

[0025] Figure 6 It is a schematic diagram of the internal transmission of the rack and pinion transmission mechanism provided by the present invention.

[0026] Figure 7 This is a simplified diagram of the internal transmission of the planetary gearbox provided by the present invention.

[0027] Figure 8 It is a schematic diagram of the smoothing power device provided by the present invention.

[0028] Figure 9 This is a schematic diagram of the wave-wind-light three-in-one combined circuit device provided by the present invention.

[0029] Figure 10 This is a schematic diagram of the fixed offshore charging platform provided by the present invention.

[0030] Figure 11 This is the array field layout diagram of the wave-wind-solar three-in-one power generation device provided by the present invention.

[0031] Figure 12 This is the energy transfer flow chart of the power generation device provided by the present invention.

[0032] Figure: 1. Hydraulic structure fixed base; 2. Equipment installation platform; 3. Float; 4. Vertical guide vibration mechanism; 5. Upper guide rod; 6. Rack and pinion transmission mechanism; 7. Planetary gearbox; 8. Generator; 9. Wave energy power electronic conversion system; 10. Vertical axis wind turbine; 11. Solar panel; 12. Wave-wind-solar three-in-one combined circuit device; 13. Battery; 14. Fixed offshore charging platform; 15. Charging equipment; 16. Linear bearing on the upper guide rod of the float; 17. Connecting trunnion; 18. Linear bearing; 19. Vertical guide rod; 20. Vertical guide system damping 1. A gear; 21. A spring for the vertical guide system; 22. A wedge-shaped limit block; 23. A rack; 24. A first meshing gear; 25. A first meshing gear shaft; 26. A first meshing gear bearing; 27. A second meshing gear; 28. A second meshing gear shaft; 29. ​​A second meshing gear bearing; 30. A planetary gearbox input shaft; 31. A sun gear; 32. A planetary gear; 33. A ring gear; 34. A planetary carrier; 35. A planetary gearbox output shaft; 36. A rack through hole; 37. A vertical axis wind turbine mounting bracket; 38. A flywheel; 39. A DC transformer circuit; 40. A wave-wind-solar three-in-one parallel circuit. DETAILED DESCRIPTION

[0033] The present invention will be described in further detail below with reference to the accompanying drawings. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and are not to be construed as limiting the present invention.

[0034] Example 1: See Figure 1-10The present invention provides a technical solution, a fixed offshore charging station based on wave-wind-light three-in-one power generation, including a hydraulic structure fixed base 1, an equipment installation platform 2, a float 3, a vertical guide vibration mechanism 4, an upper guide rod 5, a gear rack transmission mechanism 6, a planetary gearbox 7, a generator 8, a wave energy power electronic conversion system 9, a vertical axis wind turbine 10, a solar panel 11, a wave-wind-light three-in-one combined circuit device 12, a battery 13, a fixed offshore charging platform 14, a charging device 15, a linear bearing 16 on the float upper guide rod, a connecting ear shaft 17, a linear bearing 18, Vertical guide rod 19, vertical guide system damper 20, vertical guide system spring 21, wedge limit block 22, rack 23, first meshing gear 24, first meshing gear shaft 25, first meshing gear bearing 26, second meshing gear 27, second meshing gear shaft 28, second meshing gear bearing 29, planetary gearbox input shaft 30, sun gear 31, planetary gear 32, ring gear 33, planetary carrier 34, planetary gearbox output shaft 35, rack through-hole 36, vertical axis wind turbine mounting support 37, flywheel 38, DC transformer circuit 39, wave-wind-light three-in-one parallel circuit 40.The hydraulic structure fixed base 1 is vertically installed on the offshore bottom; the equipment installation platform 2 is fixedly connected to the three-pillar upper platform of the hydraulic structure fixed base 1 through the upper guide rod 5 and is installed inside the float 3. The float 3 is connected to the vertical guide vibration mechanism 4 through the connecting ear shaft 17. The vertical guide vibration mechanism 4 is installed on the pillar of the hydraulic structure fixed base 1. The upper guide rod 5 passes through the linear bearing 16 of the float upper guide rod. The gear rack transmission mechanism 6 is installed on the equipment installation platform 2, which consists of a rack 23, a first meshing gear 24, and a second meshing gear 25. The first meshing gear shaft 25, the first meshing gear bearing 26, the second meshing gear 27, the second meshing gear shaft 28 and the second meshing gear bearing 29 are composed of two racks 23 fixed to the bottom of the float 3 and passing through the rack through-hole 36. One rack 23 is respectively engaged with the four first meshing gears 24 on the left and right sides. Every two first meshing gears 24 are engaged with one second meshing gear 27. A flywheel 38 is connected to the second meshing gear shaft 28. The second meshing gear shaft 28 is connected to the planetary gear through a coupling. The wheel box 7, the planetary gearbox input shaft 30 is connected to the second meshing gear shaft 28 through a coupling, the generator 8 is installed on the equipment installation platform 2 and connected to the planetary gearbox output shaft 35 through a coupling, the wave energy power electronic conversion system 9 is installed on the equipment installation platform 2 and connected behind the generator 8, the vertical axis wind turbine 10 is connected to the hydraulic structure fixed base 1 through the vertical axis wind turbine mounting bracket 38, the solar panel 11 is placed on the top of the hydraulic structure fixed base 1, and the wave-wind-light three-in-one combined circuit device 12 is installed on the three-pillar upper platform of the hydraulic structure fixed base 1, receiving the electric energy generated by the generator 8, the vertical axis wind turbine 10 and the solar panel 11, and transmitting the stable electric energy of the wave-wind-light three-in-one combined circuit device 12 to the battery 13 through a cable. The battery 13 is installed on the fixed offshore charging platform 14, which is installed on the planned island or sea area. The charging equipment 15 is installed on the fixed offshore charging platform 14 to charge the offshore electrical equipment.

[0035] Among them, by adopting the above-mentioned specific structure, the hydraulic structure fixed base 1 is installed on the offshore bottom; the equipment installation platform 2 is connected to the three-pillar upper platform of the hydraulic structure fixed base 1 through the upper guide rod; the float 3 cooperates with the hydraulic structure fixed base through the vertical guide vibration mechanism and the upper guide rod to form vertical movement; the vertical guide vibration mechanism 4 is installed in the three pillars of the hydraulic structure fixed base to guide the float and lock the float in extreme sea conditions, thereby improving the reliability and survivability of the wave energy power generation device; the gear rack transmission mechanism 6 is installed on the equipment installation platform, wherein the rack is installed on the bottom of the float, follows the vertical movement of the float, and transmits the vertical movement of the float to the gear set; the planetary gearbox 7 is connected to the second meshing gear output shaft 28 of the gear rack transmission mechanism 6 to further increase the transmission ratio; the generator 8 The device is mounted on the equipment installation platform 2 and connected to the output shaft of the planetary gearbox. The generated electricity is converted into stable electrical energy through the wave energy power electronic conversion system 9 inside the float. The vertical-axis wind turbine 10 is mounted on the top of the pillars of the fixed base of the hydraulic structure. The solar panels are mounted on the upper platform of the three pillars of the fixed base of the hydraulic structure. The wave-wind-solar three-in-one combined circuit device 12 is mounted on the upper platform of the three pillars of the fixed base of the hydraulic structure. It receives electricity generated by the generator, vertical-axis wind turbine, and solar panels, and transmits the stable electricity from the wave-wind-solar three-in-one combined circuit device 12 to the battery via a cable. The battery 13 is mounted on a fixed offshore charging platform, which is installed on a planned island or sea area. The charging device is mounted on the fixed offshore charging platform to charge offshore electrical equipment. This device uses mechanical power conversion, is oil-free, and has a fully enclosed underwater structure, achieving green, efficient, and reliable renewable energy utilization.

[0036] Furthermore, the hydraulic structure fixed base 1 is a concrete structure, equipped with three sets of vertical guide vibration mechanisms 4, fixed to the offshore bottom, three vertical axis wind turbines 10 are installed on the three pillars of the hydraulic structure fixed base 1, and a solar panel group 11 and a wave-wind-light three-in-one combined circuit device 12 are installed on the platform above the three pillars of the hydraulic structure fixed base. The hydraulic structure fixed base 1 plays a role of fixed support for the entire device.

[0037] Furthermore, the equipment installation platform 2 is connected to the hydraulic structure fixed base 1 through the upper guide rod 5. The equipment installation platform 2 is a rounded platform with two rack through-holes 36. Two rack and pinion transmission mechanisms 6, four planetary gearboxes 7, four generators 8, and four wave energy power electronic conversion systems 9 are placed on the equipment installation platform 2. The equipment installation platform 2 provides an installation location for the working components of the power generation device and provides a guarantee for its normal operation.

[0038] Furthermore, the float 3 has a guide groove for the upper guide rod 5 at the top, and a linear bearing 16 for the upper guide rod of the float is placed thereon. Three connecting ear shafts 17 are arranged on the side of the float 3 to connect with the vertical guide vibration mechanism 4, thereby limiting the rollover, overturning and twisting of the float 3. Two racks 23 are fixedly connected to the bottom of the float 3, and the two racks 23 follow the float 3 to perform reciprocating motion in the vertical direction.

[0039] Furthermore, the vertical guide vibration mechanism 4 is composed of an ear shaft linear bearing 18, a vertical guide rod 19, a vertical guide system damper 20, a vertical guide system spring 21 and a wedge-shaped limit block 22. The outer surface of the float 3 is connected to the hydraulic structure fixed base 1 through the ear shaft 17 on the outer surface of the float. The vertical guide vibration mechanism 4 absorbs wave vibration and impact energy while storing and releasing energy, making the movement of the float more stable. The telescopic movement of the vertical guide system damper 20 is used to limit the extreme displacement of the float 3 and reduce the vibration of the wave energy power generation device. The wedge-shaped limit block 22 is used to lock the float in extreme sea conditions.

[0040] Furthermore, the upper guide rod 5 is a solid cylinder, connecting the hydraulic structure fixed base 1 and the equipment installation platform 2, fixed at the center of the equipment installation platform 2, passing through the float upper guide rod linear bearing 16, and constraining the movement of the float 3.

[0041] Furthermore, each group of the gear rack transmission mechanism 6 is composed of a rack 23 and four first meshing gears 24, four first meshing gear shafts 25, four first meshing gear bearings 26, two second meshing gears 27, two second meshing gear shafts 28 and two second meshing gear bearings 29. One rack 23 is respectively meshed with the four first meshing gears 24 on the left and right sides, and every two first meshing gears 24 are meshed with one second meshing gear 27. The flywheel 38 is connected to the second meshing gear shaft 28. The second The meshing gear shaft 28 is connected to the planetary gearbox input shaft 30 through a coupling; the rack 23 is fixedly connected to the bottom of the float 3 and passes through the rack through-hole 36 on the equipment mounting platform 2. The rack and pinion transmission mechanism 6 formed by the rack 23, the first meshing gear 24 and the second meshing gear 27 is placed in the box. The rack 23 moves in unison with the float 3 and converts the vertical motion of the float 3 into rotational motion through the gears. The flywheel 38 plays a role in power smoothing. The rack and pinion transmission mechanism 6 is the energy transmission unit of the entire device.

[0042] Furthermore, the planetary gearbox 7 is composed of a planetary gearbox input shaft 30, a sun gear 31, a planetary gear 32, a ring gear 33, a planetary carrier 34 and a planetary gearbox output shaft 35, and is installed on the equipment installation platform 2. The planetary gearbox input shaft 30 is connected to the second meshing gear shaft 28 through a coupling. The speed of the planetary gearbox output shaft 35 is transmitted to the four generators 8 through the four planetary gearboxes 7. The planetary gearbox 7 can change the speed transmitted to the generator 8.

[0043] Furthermore, the generator 8 is a permanent magnet synchronous generator, which is installed on the equipment installation platform 2 and transmits the generated unstable three-phase current to the wave energy power electronic conversion system 9. The permanent magnet synchronous generator has the advantages of small size, low loss and high efficiency.

[0044] Furthermore, the wave energy power electronic conversion system 9 is installed on the equipment installation platform 2, and rectifies, filters, and transforms the three-phase current generated by the generator 8, and transmits it to the wave-wind-light three-in-one combined circuit device 12.

[0045] Furthermore, the vertical axis wind turbine 10 is mainly composed of a central bracket, a fixed blade auxiliary bracket, a wind wheel hub, blades and a gear transmission. The three vertical axis wind turbines 10 are respectively installed on the top of the three pillars of the hydraulic structure fixed base 1. The vertical axis wind turbine 10 is an important component of the wave-wind-light three-in-one power generation device.

[0046] Furthermore, the solar panel 11 is mainly composed of solar cells, packaging materials, frames and junction boxes, and is installed in the top center area of ​​the hydraulic structure fixed base 1. The solar panel 11 is an important component of the wave-wind-light three-in-one power generation device.

[0047] Furthermore, the wave-wind-light three-in-one combined circuit device 12 is composed of a DC transformer circuit 39 and a wave-wind-light three-in-one parallel combined circuit 40, and is installed on the three-pillar upper platform of the hydraulic structure fixed base 1 to combine the electric energy generated by the generator 8, the vertical axis wind turbine 10 and the solar panel 11 to charge the battery 13.

[0048] Furthermore, the battery 13 is made of lithium-ion material, installed on a fixed offshore charging platform 14, and receives the combined electric energy of the wave-wind-light three-in-one combined circuit device 12 through a cable, and is an energy storage device of the device.

[0049] Furthermore, the fixed offshore charging platform 14 is a concrete hydraulic structure, fixed on a planned island or sea area, and is equipped with a battery 13 group and a charging device 15 .

[0050] Furthermore, the charging device 15 is installed on a fixed offshore charging platform 14 to charge offshore electrical equipment.

[0051] Example 2: See Figure 11 The present invention provides a technical solution, an array field layout solution for fixed offshore charging stations based on wave-wind-solar three-in-one power generation: The wave-wind-solar three-in-one power generation devices are arranged in groups of five, perpendicular to the main wave direction. Multiple groups of wave-wind-solar three-in-one power generation devices collect the generated electric energy through cables to a fixed offshore charging platform 14. The fixed offshore charging platform 14 is equipped with batteries 13 and charging equipment 15. The electric energy is stored in the batteries 13 and charged to the offshore electrical equipment through the charging equipment 15. The excess electric energy is brought ashore through cables to supply power to the shore or be incorporated into the power grid as needed.

[0052] Example 3: See Figure 12 The present invention provides a technical solution, a method for energy transmission of a fixed offshore charging station based on wave-wind-solar three-in-one power generation: The fixed base 1 of the hydraulic structure is fixed to the bottom of the offshore area. The undulation of waves drives the float 3 to move vertically. Changes in sea conditions cause changes in the amplitude and period of the movement of the float 3. The rack 23 is fixedly connected to the bottom of the float 3. The collected wave energy passes through the rack 23, converting the kinetic energy of the waves into mechanical energy of reciprocating linear motion in the power generation device. The gear rack transmission mechanism 6 converts the reciprocating linear motion mechanical energy into rotational mechanical energy, and changes the rotation speed through the planetary gearbox 7, thereby driving the generator 8 to generate electricity. The generator 8 uses the electric energy of the wave energy power electronic conversion system 9, the vertical axis wind turbine 10, and the electric energy generated by the solar panel 11 to charge the battery 13 through the wave-wind-light three-in-one combined circuit device 12, thereby realizing the combined utilization of wave-wind-light energy.

[0053] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the claims and their equivalents.

Claims

1. A fixed offshore charging station based on wave-wind-solar three-in-one power generation, characterized by: The fixed offshore charging station is installed on the bottom of the offshore area, captures wave energy through the vertical movement of the float, transmits kinetic energy through the internal mechanical mechanism of the device, and converts mechanical energy into electrical energy through the generator; captures wind energy and solar energy through vertical axis wind turbines and solar panels, and uses wave-wind-light three-in-one combined circuit equipment to collect energy and charge batteries, thus realizing the utilization of wave-wind-light three-in-one renewable energy.

2. A fixed offshore charging station based on wave-wind-solar three-in-one power generation according to claim 1, characterized in that: The fixed offshore charging station comprises a hydraulic structure fixed base (1), which is vertically installed on the bottom of the offshore sea; an equipment installation platform (2) is fixedly connected to the three-pillar upper platform of the hydraulic structure fixed base (1) through an upper guide rod (5), and is installed inside a float (3); the float (3) is connected to a vertical guide vibration mechanism (4) through an ear shaft, and the vertical guide vibration mechanism (4) is installed inside a pillar of the hydraulic structure fixed base (1); a gear rack transmission mechanism (6) is installed on the equipment installation platform (2), wherein the rack is installed at the bottom of the float (3); a planetary gear box (7) is installed on the equipment installation platform (2) and is connected to the output shaft of the second meshing gear of the gear rack transmission mechanism (6); a generator (8) is installed on the equipment installation platform (2) and is connected to the output shaft of the planetary gear box (7), and the generated electricity is transmitted through the wave inside the float (3) The wave energy power electronic conversion system (9) converts the wave energy into stable electric energy; the vertical axis wind turbine (10) is installed on the top of the pillar of the hydraulic structure fixed base (1); the solar panel (11) is installed on the three-pillar upper platform of the hydraulic structure fixed base (1); the wave-wind-light three-in-one combined circuit device (12) is installed on the three-pillar upper platform of the hydraulic structure fixed base (1), receives the electric energy generated by the generator (8), the vertical axis wind turbine (10) and the solar panel (11), and transmits the stable electric energy of the wave-wind-light three-in-one combined circuit device (12) to the battery (13) through the cable; the battery (13) is installed on the fixed offshore charging platform (14), and the fixed offshore charging platform (14) is installed on the planned island or sea area; the charging device (15) is installed on the fixed offshore charging platform (14) to charge the offshore electric equipment.

3. A fixed offshore charging station based on wave-wind-solar three-in-one power generation according to claim 2, characterized in that: The hydraulic structure fixed base (1) is a concrete structure, is equipped with three sets of vertical guide vibration mechanisms (4), and is fixed to the offshore bottom. Three vertical axis wind turbines (10) are installed on the three pillars of the hydraulic structure fixed base (1), and a solar cell panel (11) and a wave-wind-light three-in-one combined circuit device (12) are installed on the platform above the three pillars of the hydraulic structure fixed base (1).

4. A fixed offshore charging station based on wave-wind-solar three-in-one power generation according to claim 2, characterized in that: The equipment installation platform (2) is connected to the hydraulic structure fixed base (1) via an upper guide rod (5). The equipment installation platform (2) is a rounded platform. Two holes for installing a rack and pinion transmission mechanism (6) are provided on the equipment installation platform (2). The rack and pinion transmission mechanism (6), a planetary gearbox (7), a generator (8) and a wave energy power electronic conversion system (9) are placed on the equipment installation platform (2); The float (3) has a guide groove at the top thereof which passes through the upper guide rod (5). The upper guide rod (5) and the linear bearing (16) of the upper guide rod of the float form a sliding fit. The linear bearing (16) of the guide rod is arranged inside the guide groove. Two racks (23) are fixedly connected to the base of the float (3).

5. A fixed offshore charging station based on wave-wind-solar three-in-one power generation according to claim 2, characterized in that: The vertical guide vibration mechanism (4) is composed of a vertical guide rod (19), a vertical guide system spring (21), a vertical guide system damper (20), a linear bearing (18) and a wedge-shaped stopper (22). The vertical guide rod (19) is arranged inside the column. The vertical guide rod (19) is equipped with the vertical guide system damper (20), the vertical guide system spring (21) and the wedge-shaped stopper (22). The outer surface of the float (3) is slidably mounted on the vertical guide rod (19) through a connecting ear shaft (17) and a linear bearing (18).

6. A fixed offshore charging station based on wave-wind-solar three-in-one power generation according to claim 4, characterized in that: The upper guide rod (5) is a solid cylinder fixed at the center of the equipment installation platform (2) and passes through the top guide groove of the float (3).

7. A fixed offshore charging station based on wave-wind-solar three-in-one power generation according to claim 4, characterized in that: Each group of the rack and pinion transmission mechanism (6) is composed of a rack (23) and four first meshing gears (24), four first meshing gear shafts (25), four first meshing gear bearings (26), two second meshing gears (27), two second meshing gear shafts (28) and two second meshing gear bearings (29), one rack (23) is respectively meshed with the four first meshing gears (24) on the left and right sides, every two first meshing gears (24) are meshed with one second meshing gear (27), a flywheel (38) is connected to the second meshing gear shaft (28), and the second meshing gear shaft (28) is connected to the planetary gear box input shaft (30) of the planetary gear box (7) through a coupling; The rack (23) is fixedly connected to the bottom of the float (3) and passes through the rack through-hole (36) on the equipment mounting platform (2). The rack and pinion transmission mechanism (6) formed by the rack (23), the first meshing gear (24) and the second meshing gear (27) is placed in the box.

8. A fixed offshore charging station based on wave-wind-solar three-in-one power generation according to claim 4, characterized in that: The planetary gearbox (7) is composed of a planetary gearbox input shaft (30), a sun gear (31), planetary gears (32), a ring gear (33), a planetary carrier (34) and a planetary gearbox output shaft (35), and is mounted on the equipment mounting platform (2). The output shaft of the rack and pinion transmission mechanism (6) is connected to the input shaft of the planetary gearbox (7), and the speed of the output shaft is transmitted to the generator (8) through the planetary gearbox (7); The generator (8) is a permanent magnet synchronous generator, which is installed on the equipment installation platform (2) and transmits the generated three-phase current to the wave energy power electronic conversion system (9); The wave energy power electronic conversion system (9) is installed on the equipment installation platform (2), and performs rectification, filtering, and voltage conversion on the three-phase current generated by the generator (8), and transmits it to the wave-wind-light three-in-one combined circuit device (12); The vertical axis wind turbine (10) is composed of a central support, a fixed blade auxiliary support, a wind wheel hub, blades, and a gear transmission; three vertical axis wind turbines (10) are respectively mounted on the top of the pillars of the hydraulic structure fixed base (1); The solar panel (11) is composed of solar cells, packaging materials, a frame and a junction box, and is installed on a three-pillar upper platform of a hydraulic structure fixed base (1) to transmit the electric energy generated by the vertical axis wind turbine (10) and the solar panel (11) to the wave-wind-light three-in-one combined circuit device (12).

9. A fixed offshore charging station based on wave-wind-solar three-in-one power generation according to claim 8, characterized in that: The wave-wind-light three-in-one combined circuit device (12) is composed of a DC transformer circuit and a wave-wind-light three-in-one combined circuit, and is installed on a three-pillar upper platform of a hydraulic structure fixed base (1). It combines the electric energy generated by the generator (8), the vertical axis wind turbine (10) and the solar panel (11) to charge the battery (13).

10. A fixed offshore charging station based on wave-wind-solar three-in-one power generation according to claim 8, characterized in that: The storage battery (13) is made of lithium-ion material and is installed on a fixed offshore charging platform (14), and receives the combined electric energy of the wave-wind-light three-in-one combined circuit device (12) through a cable; The fixed offshore charging platform (14) is a concrete hydraulic structure fixed on a planned island or sea area. The fixed offshore charging platform (14) is equipped with a battery (13) group and a charging device (15); The charging device (15) is installed on a fixed offshore charging platform (14) to charge offshore electrical equipment.

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