An unmanned ship driven based on environmental energy

By combining wind, wave, and solar power to drive unmanned surface vessels (USVs), the problems of short endurance and difficulty in energy replenishment have been solved, enabling efficient, flexible, and long-term navigation.

CN121269078BActive Publication Date: 2026-05-22STATE OCEAN TECH CENT
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
STATE OCEAN TECH CENT
Filing Date
2025-12-01
Publication Date
2026-05-22

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Abstract

The application discloses an unmanned ship driven by environmental energy, and belongs to the technical field of ship equipment. The unmanned ship comprises a ship body, a wind energy driving assembly, a wave energy driving assembly and a photovoltaic power generation assembly. The wind energy driving assembly captures wind energy through a vertical shaft wind wheel, and drives a propeller propeller located below the ship body through a transmission mechanism to directly convert the wind energy into propelling force. The wave energy driving assembly comprises a rotating wing plate connected to the bottom of the ship body through a fixing support. The wing plate is deflected around a rotating shaft by wave impact, and is reset through an elastic reset mechanism to convert wave energy into forward propelling force. The photovoltaic power generation assembly comprises a solar power generation panel and a storage battery, and is used for supplying power to navigation equipment and a backup electric propeller. The application comprehensively utilizes wind energy, wave energy and solar energy, and combines mechanical direct driving with power generation and energy storage, thereby effectively improving energy utilization efficiency and endurance capability, and being especially suitable for large-range and long-time marine observation tasks.
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Description

Technical Field

[0001] This invention relates to the field of marine equipment technology, and in particular to an unmanned surface vessel powered by environmental energy. Background Technology

[0002] Ocean observation and monitoring capabilities determine the upper limit of our understanding, utilization, and development of the ocean. However, the large-scale, long-term nature of ocean observation and monitoring, along with harsh operating environments and high observation costs, greatly limits human progress in exploring, understanding, and utilizing the ocean. With the technological advancements in ocean monitoring and the increasing demand for multi-element, large-scale, and long-term continuous observation, as well as human focus on efficiency, effectiveness, and cost-effectiveness, we are compelled to develop low-cost, high-efficiency, long-term, large-scale, and maintenance-free autonomous operating platforms to extend our reach into understanding the world's oceans. Unmanned surface vessels (USVs) can be equipped with multi-parameter water quality monitors, dissolved oxygen sensors, pH meters, and other equipment to monitor key parameters in seawater such as temperature, salinity, dissolved oxygen, pH, and nutrients in real time, providing crucial data support for marine environmental protection. USVs can also conduct exploration in specific sea areas to search for seabed mineral resources such as oil, natural gas, and metallic minerals, collecting seabed geological and geophysical data by carrying appropriate detection equipment.

[0003] Currently, the operational capabilities, endurance, and observation range of unmanned surface vessels (USVs) are largely constrained by the performance of their energy supply systems. Traditional USVs mostly rely on fuel power or batteries, which suffer from problems such as emissions, noise, and limited endurance. While batteries are technologically mature and highly reliable, their limited energy density results in short single-charge endurance or, although they can operate for extended periods, low operational intensity. For missions requiring long-term monitoring or large-scale mobile observation, the difficulty of energy replenishment becomes a core bottleneck. Although energy replenishment can be achieved by deploying underwater charging stations or power supply vessels, these methods are difficult to implement, costly, and limit the flexibility and operational range of USVs. Furthermore, although solar panels have been tested on some USVs, solar power generation is significantly affected by day / night cycles, weather, and latitude, resulting in unstable energy supply. Summary of the Invention

[0004] The purpose of this invention is to provide an unmanned surface vessel (USV) driven by environmental energy to solve the problems existing in the prior art, and to make comprehensive use of the abundant environmental energy at sea to achieve long-term navigation of the USV.

[0005] To achieve the above objectives, the present invention provides the following solution:

[0006] This invention provides an unmanned surface vessel powered by environmental energy, comprising:

[0007] Hull;

[0008] A wind-powered drive assembly includes a wind energy capture mechanism and a wind energy propulsion mechanism. The wind energy capture mechanism includes a wind turbine bracket fixedly mounted on the hull, a wind turbine shaft rotatably coupled to the wind turbine bracket, and a wind turbine wheel fixedly connected to the wind turbine shaft. The wind turbine wheel is located above the hull. The wind energy propulsion mechanism includes a wind energy propulsion bracket fixedly connected to the bottom end of the hull and a propeller propeller fixedly mounted on the wind energy propulsion bracket. The propeller propeller is located below the hull, and the input end of the propeller propeller is drive-connected to the wind turbine shaft.

[0009] Preferably, the wind turbine shaft is connected to the input end of the propeller thruster via a first transmission mechanism;

[0010] The first transmission mechanism includes a reducer fixedly connected to the wind turbine support, a drive shaft rotatably engaged with the wind turbine support, a power shaft rotatably engaged with the wind propulsion support, a drive sprocket fixedly mounted on the power shaft, a driven sprocket fixedly mounted on the input end of the propeller propeller, and a chain wound around the drive sprocket and the driven sprocket. The wind turbine shaft is fixedly connected to the input shaft of the reducer, the output shaft of the reducer is fixedly connected to the first end of the drive shaft, a first bevel gear is fixedly mounted on the second end of the drive shaft, and a second bevel gear meshing with the first bevel gear is fixedly mounted on the power shaft.

[0011] Preferably, the wind turbine shaft is rotatably connected to the wind turbine support via a first bearing; the wind turbine shaft is fixedly connected to the input shaft of the reducer via a first coupling; the output shaft of the reducer is fixedly connected to the first end of the drive shaft via a second coupling; the drive shaft is rotatably connected to the wind turbine support via a second bearing and to the wind propulsion support via a third bearing; the power shaft is rotatably connected to the wind propulsion support via a fourth bearing.

[0012] The drive shaft is perpendicular to the power shaft; the axial directions of both the fan shaft and the drive shaft are parallel to the height direction of the hull, and the axial direction of the power shaft is parallel to the width direction of the hull.

[0013] Preferably, it also includes several wave energy driving components;

[0014] Each wave-driven component includes a fixed bracket, several rotating blades, and an elastic reset mechanism corresponding to each rotating blade. The fixed bracket is fixedly connected to the bottom end of the hull. Each rotating blade is fixed with parallel and spaced-apart rotating shafts and follower shafts. The rotating shafts are rotatably engaged with the fixed bracket. The fixed bracket is provided with an arc-shaped hole corresponding to the follower shaft. The follower shaft passes through the arc-shaped hole, and when the rotating blade rotates about the rotating shaft, the follower shaft can slide in the arc-shaped hole. The elastic reset mechanism includes a spring with one end connected to the follower shaft in the corresponding rotating blade and the other end connected to the fixed bracket. When the rotating blade rotates about the rotating shaft, the follower shaft can stretch the spring.

[0015] Preferably, the fixed bracket includes a fixed connecting rod, a rotating ring, and two parallel and spaced fixed side plates respectively fixedly connected to the fixed connecting rod. Each fixed side plate is fixedly connected to the rotating ring. The rotating shaft passes through the rotating ring and rotates in cooperation with the rotating ring. Each side plate has an arc-shaped hole. The length direction of the side plate is parallel to the length direction of the hull.

[0016] The rotating wing plate includes two sub-wing plates located on both sides of the fixed bracket, and the rotating shaft and the follower shaft are fixedly connected at one end to one of the sub-wing plates and at the other end to the other sub-wing plate.

[0017] Preferably, there are two wave energy drive components, and the two wave energy drive components are distributed at intervals along the length of the hull, with the wind energy drive component located between the two wave energy drive components.

[0018] Preferably, each of the wave energy drive components includes two rotating blades, and the two rotating blades are spaced apart along the length of the hull.

[0019] Preferably, it also includes a photovoltaic power generation component, which includes a solar panel laid on the hull and a battery fixed on the hull and electrically connected to the solar panel, the battery being used to power the unmanned surface vessel.

[0020] Preferably, the device also includes an electric propeller fixed below the hull, and the battery is capable of powering the electric propeller.

[0021] Preferably, the wind turbine is a vertical axis wind turbine.

[0022] The present invention achieves the following technical effects compared to the prior art:

[0023] This invention relates to an unmanned surface vessel (USV) powered by environmental energy. First, a wind-powered drive component converts wind energy into mechanical energy to drive a propeller, providing propulsion for the vessel's movement without the need for additional charging, enabling long-term navigation. Second, a wave-powered drive component utilizes wave energy to propel the USV. This combined use of wind and wave energy for direct propulsion offers higher energy conversion efficiency compared to the traditional method of generating electricity first. Furthermore, the integrated use of multiple energy sources overcomes the drawbacks of insufficient propulsion power caused by a single energy source. The vertical-axis wind turbine-driven propeller propulsion method, compared to conventional sail propulsion, eliminates the influence of wind direction on the USV's direction of travel, allowing it to receive wind from all directions for forward propulsion. Finally, the invention incorporates a photovoltaic power generation component, allowing the addition of an electric propeller. Solar power generation drives the electric propeller, providing propulsion and realizing the conversion of environmental energy (solar, wave, and wind) into kinetic energy for the USV. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the structure of the unmanned surface vessel based on environmental energy drive according to the present invention;

[0026] Figure 2 This is an isometric view of the unmanned surface vessel based on environmental energy drive according to the present invention;

[0027] Figure 3 This is a schematic diagram of the wave energy-driven component in the environmentally powered unmanned surface vessel of the present invention. Figure 1 ;

[0028] Figure 4 This is a schematic diagram of the wave energy-driven component in the environmentally powered unmanned surface vessel of the present invention. Figure 2 ;

[0029] Figure 5 for Figure 4 A magnified view of a section at point A in the middle;

[0030] Figure 6 This is an isometric view of the wave energy-driven component in the environmental energy-driven unmanned surface vessel of the present invention;

[0031] Figure 7 This is a schematic diagram of the wind power drive component in the unmanned surface vessel based on environmental energy drive according to the present invention;

[0032] Figure 8 This is an isometric view of the wind power drive component in the environmental energy-driven unmanned surface vessel of the present invention;

[0033] Figure 9 This is a schematic diagram of the wind energy harvesting mechanism in the unmanned surface vessel based on environmental energy drive according to the present invention;

[0034] Figure 10 This is an isometric view of the wind energy harvesting mechanism in the unmanned surface vessel based on environmental energy drive according to the present invention;

[0035] Figure 11 This is a schematic diagram of the wind power propulsion mechanism in an unmanned surface vessel based on environmental energy drive, as described in this invention. Figure 1 ;

[0036] Figure 12 This is a schematic diagram of the wind power propulsion mechanism in an unmanned surface vessel based on environmental energy drive, as described in this invention. Figure 2 ;

[0037] Figure 13 This is an isometric view of the wind power propulsion mechanism in the unmanned surface vessel based on environmental energy drive according to the present invention;

[0038] In the image: 1. Hull; 2. Photovoltaic power generation module; 3. Wind power drive module; 4. Wave power drive module;

[0039] 3-1 Wind energy harvesting mechanism; 3-2 Wind energy propulsion mechanism;

[0040] 3-1-1 Wind turbine; 3-1-2 Wind turbine shaft; 3-1-3 First bearing; 3-1-4 First coupling; 3-1-5 Reducer; 3-1-6 Second coupling; 3-1-7 Second bearing; 3-1-8 Wind turbine support; 3-1-9 Drive shaft; 3-1-10 First bevel gear;

[0041] 3-2-1 Wind power propulsion support; 3-2-2 Third bearing; 3-2-3 Power shaft; 3-2-4 Second bevel gear; 3-2-5 Drive sprocket; 3-2-6 Chain; 3-2-7 Driven sprocket; 3-2-8 Propeller; 3-2-9 Fourth bearing;

[0042] 4-1. Side plate; 4-2. Rotating ring; 4-3. Rotating shaft; 4-4. Follower shaft; 4-5. Sub-wing plate; 4-6. Spring; 4-7. Fixed connecting rod. Detailed Implementation

[0043] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0044] The purpose of this invention is to provide an unmanned surface vessel (USV) driven by environmental energy to solve the problems existing in the prior art, and to make comprehensive use of the abundant environmental energy at sea to achieve long-term navigation of the USV.

[0045] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0046] like Figures 1 to 13 As shown, this embodiment provides an unmanned surface vessel driven by environmental energy, including a hull 1 and a wind power drive component 3.

[0047] The wind power drive assembly 3 includes a wind power capture mechanism 3-1 and a wind power propulsion mechanism 3-2. The wind power capture mechanism 3-1 includes a wind turbine bracket 3-1-8 fixedly mounted on the hull 1, a wind turbine shaft 3-1-2 rotatably engaged with the wind turbine bracket 3-1-8, and a wind turbine 3-1-1 fixedly connected to the wind turbine shaft 3-1-2. The wind turbine 3-1-1 is located above the hull 1. The wind power propulsion mechanism 3-2 includes a wind power propulsion bracket 3-2-1 fixedly connected to the bottom end of the hull 1 and a propeller propeller 3-2-8 fixedly mounted on the wind power propulsion bracket 3-2-1. The propeller propeller 3-2-8 is located below the hull 1, and the input end of the propeller propeller 3-2-8 is connected to the wind turbine shaft 3-1-2 via a transmission connection.

[0048] In this embodiment, the specific scheme for achieving the transmission connection between the input end of the propeller thruster 3-2-8 and the wind turbine shaft 3-1-2 is as follows:

[0049] The wind turbine shaft 3-1-2 is connected to the input end of the propeller thruster 3-2-8 via a first transmission mechanism. The first transmission mechanism includes a reducer 3-1-5 fixedly connected to the wind turbine support 3-1-8, a drive shaft 3-1-9 rotatably engaged with the wind turbine support 3-1-8, a power shaft 3-2-3 rotatably engaged with the wind power propulsion support 3-2-1, a drive sprocket 3-2-5 fixedly mounted on the power shaft 3-2-3, and a drive sprocket 3-2-5 fixedly mounted on the input end of the propeller thruster 3-2-8. Driven sprocket 3-2-7 and chain 3-2-6 wound around drive sprocket 3-2-5 and driven sprocket 3-2-7, fan shaft 3-1-2 is fixedly connected to input shaft of reducer 3-1-5, output shaft of reducer 3-1-5 is fixedly connected to first end of drive shaft 3-1-9, second end of drive shaft 3-1-9 is fixedly provided with first bevel gear 3-1-10, and second bevel gear 3-2-4 meshing with first bevel gear 3-1-10 is fixedly provided on power shaft 3-2-3.

[0050] More specifically, based on the above scheme: the wind turbine shaft 3-1-2 is rotatably connected to the wind turbine bracket 3-1-8 via the first bearing 3-1-3; the wind turbine shaft 3-1-2 is fixedly connected to the input shaft of the reducer 3-1-5 via the first coupling 3-1-4; the output shaft of the reducer 3-1-5 is fixedly connected to the first end of the drive shaft 3-1-9 via the second coupling 3-1-6; the drive shaft 3-1-9 is rotatably connected to the wind turbine bracket 3-1-8 via the second bearing 3-1-7 and rotatably connected to the wind power propulsion bracket 3-2-1 via the third bearing 3-2-2; the power shaft 3-2-3 is rotatably connected to the wind power propulsion bracket 3-2-1 via the fourth bearing 3-2-9.

[0051] In the optional schemes of this embodiment, it is more preferred that the drive shaft 3-1-9 and the power shaft 3-2-3 are perpendicular to each other; the axial directions of the fan shaft 3-1-2 and the drive shaft 3-1-9 are parallel to the height direction of the hull 1, and the axial direction of the power shaft 3-2-3 is parallel to the width direction of the hull 1.

[0052] In the optional schemes of this embodiment, it is more preferred that the wind turbine 3-1-1 adopts a vertical axis wind turbine 3-1-1. The power method of using the vertical axis wind turbine 3-1-1 to drive the propeller propeller 3-2-8 for unmanned surface vessel propulsion is relatively simple. Compared with conventional sail propulsion, the influence of wind direction on the unmanned surface vessel's navigation direction can be ignored, that is, it can receive wind from all directions for forward propulsion.

[0053] In a preferred embodiment, the unmanned surface vessel (USV) driven by environmental energy further includes two wave energy drive components 4, which are spaced apart along the length of the hull 1. A wind energy drive component 3 is located between the two wave energy drive components 4. Each wave energy drive component 4 includes a fixed bracket, two rotating blades, and an elastic reset mechanism corresponding to each rotating blade. The two rotating blades are spaced apart along the length of the hull 1. The fixed bracket is fixedly connected to the bottom of the hull 1. Parallel and spaced rotating shafts 4-3 and follower shafts 4-4 are fixedly mounted on each rotating blade. -3 is rotatably coupled with the fixed bracket. The fixed bracket is provided with an arc-shaped hole corresponding to the follower shaft 4-4. The follower shaft 4-4 passes through the arc-shaped hole, and when the rotating wing plate rotates about the rotating shaft 4-3, the follower shaft 4-4 can slide in the arc-shaped hole. The elastic reset mechanism includes a spring 4-6, one end of which is connected to the follower shaft 4-4 in the corresponding rotating wing plate and the other end of which is connected to the fixed bracket. When the rotating wing plate rotates about the rotating shaft 4-3, the follower shaft 4-4 can stretch the spring 4-6. The elastic reset mechanism generates a restoring force under the action of the spring 4-6, which in turn generates a restoring force on the follower shaft 4-4 and the rotating wing plate, causing the wing plate to swing and reset.

[0054] In this embodiment, the specific structure of the fixing bracket is as follows:

[0055] The fixed support includes a fixed connecting rod 4-7, a rotating ring 4-2, and two parallel and spaced fixed side plates 4-1, each fixedly connected to the fixed connecting rod 4-7. Each fixed side plate 4-1 is fixedly connected to the rotating ring 4-2. A rotating shaft 4-3 passes through the rotating ring 4-2 and rotates in cooperation with it. Specifically, the rotating ring 4-2 has a rotating slot, and the rotating shaft 4-3 passes through the rotating slot and is clearance-fitted with the rotating ring 4-2, allowing the rotating shaft 4-3 to rotate freely within the rotating ring 4-2. Each side plate 4-1 has an arc-shaped hole. The length direction of the side plate 4-1 is parallel to the length direction of the hull 1. The rotating wing plate can drive the rotating shaft 4-3 to rotate freely within the rotating ring 4-2, and the follower shaft 4-4 can follow the wing plate around the center.

[0056] In this embodiment, the specific structure of the rotating wing plate is as follows:

[0057] In addition to the rotating shaft 4-3 and the follower shaft 4-4, the rotating wing plate also includes two sub-wing plates 4-5 located on both sides of the fixed bracket. The rotating shaft 4-3 and the follower shaft 4-4 are fixedly connected at one end to one sub-wing plate 4-5 and at the other end to the other sub-wing plate 4-5.

[0058] It is worth noting that although the number of wave energy drive components 4 in this embodiment is two, the number of wave energy drive components 4 is not limited to two in practical applications. Technicians can adaptively adjust the number and specific placement of wave energy drive components 4 according to the actual driving needs of the hull 1. Similarly, the number of rotating blades in each wave energy drive component 4 is not limited to two; technicians can adaptively adjust the number of rotating blades according to the actual driving needs of the hull 1.

[0059] In a preferred embodiment of this invention, the unmanned surface vessel (USV) driven by environmental energy further includes a photovoltaic power generation module 2. The photovoltaic power generation module 2 includes a solar panel laid on the hull 1 and a battery fixed on the hull 1 and electrically connected to the solar panel. The battery is used to supply power to the USV.

[0060] In the optional schemes of this embodiment, it is more preferred that, in addition to the photovoltaic power generation component 2, an electric propeller can also be fixed below the hull 1, and the electric propeller is powered by a battery; solar power is generated and stored in the battery to drive the electric propeller.

[0061] The specific working principle of the unmanned surface vessel based on environmental energy drive in this embodiment is as follows:

[0062] Working principle of wind power drive component 3: When the wind turbine 3-1-1 rotates under wind, the wind turbine shaft 3-1-2 transmits power to the reducer 3-1-5 through a coupling; the output shaft of the reducer 3-1-5 connects to the drive shaft 3-1-9, and the bevel gear at the end of the drive shaft 3-1-9 meshes with the bevel gear on the power shaft 3-2-3, converting the vertical rotation into the horizontal rotation; the power shaft 3-2-3 drives the propeller propeller 3-2-8 through the sprocket and chain mechanism 3-2-6; wind energy is directly converted into the mechanical energy of the propeller, without the need for an intermediate power generation stage; the vertical axis wind turbine 3-1-1 can receive wind from any direction, avoiding efficiency reduction due to changes in wind direction; the speed is adjusted by the reducer 3-1-5 to ensure the propeller operates under optimal conditions.

[0063] The working principle of wave-driven component 4: When the wave impacts the rotating blade, the water flow pushes the rotating blade to deflect around the rotating shaft 4-3, and the follower shaft 4-4 slides along the arc-shaped hole and stretches the spring 4-6; when the wave recedes, the spring 4-6 resets and drives the rotating blade to swing back, and the reciprocating motion of the rotating blade generates forward thrust.

[0064] Specific examples have been used to illustrate the principles and implementation methods of this invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this invention. Furthermore, those skilled in the art will recognize that, based on the ideas of this invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this invention.

Claims

1. An unmanned surface vessel powered by environmental energy, characterized in that, include: Hull; A wind-powered drive assembly includes a wind energy capture mechanism and a wind energy propulsion mechanism. The wind energy capture mechanism includes a wind turbine bracket fixedly mounted on the hull, a wind turbine shaft rotatably coupled to the wind turbine bracket, and a wind turbine wheel fixedly connected to the wind turbine shaft, with the wind turbine wheel located above the hull. The wind energy propulsion mechanism includes a wind energy propulsion bracket fixedly connected to the bottom end of the hull and a propeller propulsion unit fixedly mounted on the wind energy propulsion bracket, with the propeller propulsion unit located below the hull and its input end being drively connected to the wind turbine shaft. It also includes several wave-driven components; each wave-driven component includes a fixed bracket, several rotating blades, and an elastic reset mechanism corresponding to each rotating blade. The fixed bracket is fixedly connected to the bottom end of the hull. Each rotating blade is fixed with parallel and spaced-apart rotating shafts and follower shafts. The rotating shafts are rotatably engaged with the fixed bracket. The fixed bracket is provided with an arc-shaped hole corresponding to the follower shaft. The follower shaft passes through the arc-shaped hole, and when the rotating blade rotates about the rotating shaft, the follower shaft can slide in the arc-shaped hole. The elastic reset mechanism includes a spring with one end connected to the follower shaft in the corresponding rotating blade and the other end connected to the fixed bracket. When the rotating blade rotates about the rotating shaft, the follower shaft can stretch the spring.

2. The unmanned surface vessel based on environmental energy drive according to claim 1, characterized in that: The wind turbine shaft is connected to the input end of the propeller thruster via a first transmission mechanism. The first transmission mechanism includes a reducer fixedly connected to the wind turbine support, a drive shaft rotatably engaged with the wind turbine support, a power shaft rotatably engaged with the wind propulsion support, a drive sprocket fixedly mounted on the power shaft, a driven sprocket fixedly mounted on the input end of the propeller propeller, and a chain wound around the drive sprocket and the driven sprocket. The wind turbine shaft is fixedly connected to the input shaft of the reducer, the output shaft of the reducer is fixedly connected to the first end of the drive shaft, a first bevel gear is fixedly mounted on the second end of the drive shaft, and a second bevel gear meshing with the first bevel gear is fixedly mounted on the power shaft.

3. The unmanned surface vessel based on environmental energy drive according to claim 2, characterized in that: The wind turbine shaft is rotatably connected to the wind turbine support via a first bearing; the wind turbine shaft is fixedly connected to the input shaft of the reducer via a first coupling; the output shaft of the reducer is fixedly connected to the first end of the drive shaft via a second coupling; the drive shaft is rotatably connected to the wind turbine support via a second bearing and to the wind propulsion support via a third bearing; the power shaft is rotatably connected to the wind propulsion support via a fourth bearing. The drive shaft is perpendicular to the power shaft; the axial directions of both the fan shaft and the drive shaft are parallel to the height direction of the hull, and the axial direction of the power shaft is parallel to the width direction of the hull.

4. The unmanned surface vessel based on environmental energy drive according to claim 1, characterized in that: The fixed support includes a fixed connecting rod, a rotating ring, and two parallel and spaced fixed side plates that are fixedly connected to the fixed connecting rod. Each fixed side plate is fixedly connected to the rotating ring. The rotating shaft passes through the rotating ring and rotates in cooperation with the rotating ring. Each side plate has an arc-shaped hole. The length direction of the side plate is parallel to the length direction of the hull. The rotating wing plate includes two sub-wing plates located on both sides of the fixed bracket, and the rotating shaft and the follower shaft are fixedly connected at one end to one of the sub-wing plates and at the other end to the other sub-wing plate.

5. The unmanned surface vessel based on environmental energy drive according to claim 1, characterized in that: There are two wave energy drive components, and the two wave energy drive components are distributed at intervals along the length of the hull, with the wind energy drive component located between the two wave energy drive components.

6. The unmanned surface vessel based on environmental energy drive according to claim 1, characterized in that: Each of the wave-driven components includes two rotating blades, which are spaced apart along the length of the hull.

7. The unmanned surface vessel based on environmental energy drive according to claim 1, characterized in that: It also includes a photovoltaic power generation component, which includes a solar panel laid on the hull and a battery fixed on the hull and electrically connected to the solar panel, the battery being used to power the unmanned surface vessel.

8. The unmanned surface vessel based on environmental energy drive according to claim 7, characterized in that: It also includes an electric propeller fixed below the hull, and the battery can power the electric propeller.

9. The unmanned surface vessel based on environmental energy drive according to claim 1, characterized in that: The wind turbine is a vertical axis wind turbine.