45 results about "Marine current energy" patented technology

The invention discloses a multi-energy coordination and monitoring platform for offshore oil and gas development, which relates to the technical field of multi-energy coordination and comprises a floating platform main body, and a solar power generation array (1), a sub power generation system (2), a main power generation system (3) and a water turbine cross beam (4) which are positioned on the floating platform main body, the floating platform main body adopts a hexagonal modular structure; the solar power generation array (1) comprises a plurality of monocrystalline silicon photovoltaic panels which are uniformly distributed on the floating platform main body; the sub power generation systems (2) are positioned at six vertexes of the floating platform main body; the main power generation system (3) is located in the center of the floating type platform body. And the water turbine cross beams (4) are uniformly distributed on the periphery of the floating platform main body. By comprehensively utilizing renewable energy sources such as solar energy, wind energy, wave energy and ocean current energy, stable and sustainable energy supply can be provided for the offshore oil and gas platform, and various pain points of a traditional energy supply mode are overcome.

The invention discloses an offshore floating type wind-light-wave-flow combined power generation system which comprises a semi-submersible type wind-wave-flow combined power generation device, a floating pipe type photovoltaic array and a connecting mooring, and the semi-submersible type wind-wave-flow combined power generation device is composed of a wind generating set, an overtopping type wave energy power generation device and an ocean current energy power generation device. The wind generating set is fixed to the overtopping wave energy power generation device, the ocean current energy power generation device is fixed to the lower portion of the overtopping wave energy power generation device, the overtopping wave energy power generation device floats on the sea surface, and the floating pipe type photovoltaic array is arranged around the semi-submersible type wind wave and current combined power generation device in the mode of floating on the sea surface. And the connecting mooring is used for mutually positioning and connecting the semi-submersible wind wave and flow combined power generation device and the floating pipe type photovoltaic array, and simultaneously positioning and connecting the semi-submersible wind wave and flow combined power generation device and the floating pipe type photovoltaic array with the seabed. Through deep coupling of wind, light and wave flows, three-dimensional utilization of sea space is achieved, and multi-energy efficient complementary power generation is achieved.

The invention discloses an omni-directional ocean current energy capturing device based on a friction nanometer generator. The omni-directional ocean current energy capturing device comprises a device shell, a base, an elastic supporting rod and a plurality of friction nanometer power generation units. A closed cavity is formed in the device shell; the two ends of the elastic supporting rod are fixedly connected with the base and the device shell. The multiple friction nanometer power generation units are evenly distributed on the inner wall of the closed cavity of the device shell in the circumferential direction. When the energy capturing device is placed in water, the device shell is suspended in the water under the traction of the base and the elastic supporting rod, and the device shell swings in a reciprocating mode under the traction of the elastic supporting rod under the driving of water flow, so that the friction layer and the first electrode layer make contact with each other in a reciprocating mode and are separated from each other. The omni-directional ocean current energy capturing device based on the friction nano-generator disclosed by the invention has the advantages of omni-directivity, simple and reliable structure and high energy conversion efficiency, and is particularly suitable for capturing and converting low-frequency and multi-directional ocean current energy in an ocean environment.

A deep-sea platform energy self-supply apparatus and a control method therefor. The apparatus comprises a work platform (1) of the deep-sea platform, and further comprises: pontoons (2) mounted at the bottom of the work platform (1); a wave energy piezoelectric assembly (3) which is provided at the bottom of the work platform (1), moves around the periphery of the pontoons (2), and can consume wave energy and convert wave energy into electrical energy; and a marine current energy piezoelectric assembly (4) provided at the bottoms of the pontoons and capable of consuming marine current energy and converting marine current energy into electrical energy. The angles and heights of wave energy piezoelectric plates (3) and marine current energy piezoelectric plates (4) are adjustable, which can effectively improve the energy conversion efficiency and consume fluid kinetic energy during the conversion of fluid kinetic energy into electrical energy such that the amplitude of waves decreases as fluid kinetic energy decreases, thereby implementing a wave dissipation effect and facilitating the improvement of the stability of the deep-sea platform.

The invention discloses a marine riser eight-arc cylindrical vortex-induced vibration suppression and power generation device which comprises a marine riser, a protection module, a power transmission module and a power generation module. The protection module comprises a mounting inner pipe and a mounting outer pipe; the mounting outer pipe comprises a middle section with an arc-shaped notch; working cabins are arranged at two ends of the middle section; thrust rods are arrayed on the circumference of the working cabin; an arc-shaped shell is arranged at one end of the thrust rod; the power transmission module comprises a rotating impeller, a fixed rod, a driving straight bevel gear and an eccentric disc; the driving straight bevel gear is meshed with a two-way straight bevel gear; the two-way straight bevel gear is meshed with a driven straight bevel gear; the driven straight bevel gear penetrates through the working cabin and is connected with the eccentric disc; the eccentric disc is connected with a thrust rod through a straight groove connecting rod; the power generation module comprises an arc-shaped piezoelectric plate on an arc-shaped shell, and the arc-shaped shell comprises an upper bottom plate embedded with an upper electrode and a lower bottom plate embedded with a lower electrode; and an electret is arranged on the lower electrode. While ocean current energy is converted into electric energy, vortex-induced vibration of the stand pipe is restrained.

This invention provides a deep-sea submersible ocean current energy capture device, belonging to the field of ocean current power generation technology. It includes a top buoy, an ocean current energy capture device, stabilizing fins, a bottom plate energy storage system, a heave balancing mechanism, and an anchoring mechanism. The top buoy is installed on top of the ocean current energy capture device, providing buoyancy for the entire device. The ocean current energy capture device captures ocean current energy and converts it into electrical energy. The stabilizing fins are installed on both sides of the ocean current energy capture device to ensure its balance. The bottom plate energy storage system is installed at the bottom of the ocean current energy capture device to store the electrical energy generated by the device and can also directly supply power. The heave balancing mechanism is installed at the bottom of the bottom plate energy storage system to ensure vertical balance and reduce device vibration. The anchoring mechanism is arranged around the heave balancing mechanism to provide tension, ensuring the entire device is stress-balanced. The number of ocean current energy capture devices can be increased or decreased according to actual needs, making it widely adaptable, easy to use, and simple in structure.

The invention discloses an underwater mooring cable-loaded vortex-induced oscillation power generation mobile buoyancy block. Belongs to the field of marine mooring cables and comprises a movable adjusting floating block which moves on an anchor chain to adjust the stress of a mooring system of an offshore floating platform. The device is mainly composed of a floating block floater, a vortex-induced oscillation power generation connecting rod and a floating block moving base. The movable buoyancy block is designed, so that the adaptive capacity of the offshore platform mooring system can be improved, and the complex marine environment working condition can be resisted; by integrating an ocean current energy power generation structure, clean energy is provided for the system, energy supply of the movable adjusting floating block is guaranteed, and environmental friendliness is achieved; and by utilizing an intelligent control means, the movement of the movable adjusting floating block is automatically controlled, so that the movable adjusting floating block has good engineering application adaptability.

The invention relates to the technical field of underwater vehicles. The invention provides a self-powered unmanned underwater vehicle, which comprises a vehicle shell, an unmanned aerial vehicle, a power supply device and a power supply device, the energy storage device is arranged in the accommodating cavity; the self-power supply device is connected with the aircraft shell, the self-power supply device is electrically connected with the energy storage device, and the self-power supply device is used for rotating relative to the aircraft shell under the driving of ocean current energy to generate electric energy and storing the electric energy in the energy storage device; the self-powered device comprises a recovery state and an extension state, when the vehicle works normally, the self-powered device is in the recovery state, and when the vehicle is charged, the self-powered device is in the extension state. The self-powered device generates electric energy by using ocean current energy, the electric energy is stored in the energy storage device, and the energy storage device provides running power for the aircraft, so that the electric power storage capability of the deep sea observation equipment is improved, and the deep sea observation efficiency is improved.

The invention discloses an underwater ocean current energy power generation device. The device comprises a base, a supporting frame, a water turbine, a sealing cover, a gas storage assembly, a cabin and a motor. The supporting frame is fixedly arranged at the upper end of the base, the sealing cover is fixedly arranged at the upper end of the supporting frame, the air storage assembly and the cabin are arranged in the sealing cover, and the air storage assembly communicates with the cabin; the upper end of the main shaft penetrates through the cabin to be connected with the motor, the lower end of the main shaft is rotatably connected with the base, and the rotating wheel is fixedly arranged in the middle of the main shaft to drive the main shaft and the rotating wheel to rotate synchronously.

The technical scheme belongs to the technical field of new energy power generation, and particularly relates to a flexible starting type ocean current energy power generation device suitable for a low-flow-speed environment, which comprises a shell, a main transmission shaft, an impeller, a planar magnetic coupling module, a ball screw module and a permanent magnet synchronous generator, the front end of the main transmission shaft extends out of the shell and is connected with the impeller; the rear end of the main transmission shaft is connected with the impeller end plane magnetic coupling; the permanent magnet synchronous generator is installed on the ball screw module and connected with the motor end plane magnetic coupling. The permanent magnet synchronous generator and the motor end plane magnetic coupling are driven by the ball screw module to be close to or far away from the impeller end plane magnetic coupling, flexible joint and separation of the magnetic coupling are achieved, and therefore stable starting of the generator is completed in the low-flow-speed environment, and the impeller is matched with the permanent magnet synchronous generator to convert ocean current energy into electric energy. The device has the advantages of low starting flow velocity, flexible starting and the like, and is suitable for development and utilization of low-speed ocean current energy.

The application discloses a floating body type wave energy coupling sea current energy seawater desalination device, and relates to the technical field of comprehensive exploitation and utilization of marine energy, comprising a ring-shaped floating body, a sea current energy utilization module arranged below the ring-shaped floating body, a disc type compression module arranged at the center of the ring-shaped floating body, and a wave energy utilization module arranged above the disc type compression module; a gearbox, a booster pump and a reverse osmosis device are installed on the ring-shaped floating body. The disc type compression module, the wave energy utilization module and the sea current energy utilization module are matched to realize seawater pressurization and simultaneous capture of wave energy and sea current energy, so that the marine energy is fully utilized for seawater desalination. The water desalination device has low cost, high efficiency, energy saving and no pollution. The three modules are integrated by using the ring-shaped floating body, the device is quickly installed, the installation cost is low compared with the existing fixed pile type, and the device can be installed according to actual use requirements.

The present application belongs to the technical field of vertical axis wind turbines, and specifically relates to a deformable wing and a wind-current power generation device including the wing. The wing includes a main wing, the wing section of the main wing has an airfoil profile line, the airfoil profile line extends from the leading edge to the trailing edge and forms a suction side and a pressure side, and is characterized in that: the wing also includes a leading edge plate and a telescopic mechanism connected to the leading edge plate, the leading edge plate and the telescopic mechanism are installed at the leading edge position inside the main wing, and the leading edge plate can extend or retract the main wing along the chord length direction of the main wing under the action of the telescopic mechanism. The leading edge plate can generate counter-rotating vortex belts, suppress flow separation near the leading edge of the main wing, and significantly improve the vortex structure of the leading edge of the main wing, thereby greatly improving the power generation efficiency of the wing in the ocean current energy, so that the power generation device in extreme weather can continue to use ocean current energy to generate electricity efficiently, and at the same time can ensure that wind energy can continue to be obtained under conditions where self-starting is difficult, with the advantages of simple structure and high energy acquisition efficiency.

The invention provides an adjusting method and device for a micro-grid cluster system, and relates to the technical field of micro-grids. The method comprises the following steps: constructing constraint conditions according to node parameter information and line parameter information of a micro-grid cluster system; an ocean current energy power generation model based on two-stage robust optimization is established, the first stage of the model takes minimization of the initial energy storage investment cost, the operation cost and the power unbalance amount of the micro-grid cluster system in the fault scene as an objective function, and the second stage of the model takes maximization of the power unbalance amount of the micro-grid cluster system as an objective function; under the condition that the constraint condition is met, Camp is adopted; solving the ocean current energy power generation model through a CG algorithm, obtaining the first energy storage capacity and the first rated power of the seabed micro-grid, and then adjusting the micro-grid cluster system. According to the invention, through configuration optimization of the energy storage of the micro-grid cluster system, the load demand in a severe scene can be satisfied, the fluctuation of ocean current energy power generation can be adapted, and the energy consumption and cost are greatly reduced.

The present invention relates to the technical field of marine aquaculture equipment, and discloses a cage structure and installation method thereof that can increase fish habitat friendliness. The cage structure includes jacket legs, breakwater net legs, an inner aquaculture net, an outer breakwater net, and an anchoring foundation. The jacket legs and breakwater net legs are paired and anchored to the seabed via an anchoring foundation, with multiple pairs of jacket legs and breakwater net legs forming a polygon at the anchoring points on the seabed. The inner aquaculture net is tied to the jacket legs to form an inner polygonal column, and the outer breakwater net is tied to the breakwater net legs to form an outer polygonal column. The inner aquaculture net and the outer breakwater net are divided into a pressure relief zone, a transition zone, and a habitat zone at the same height interval to improve fish habitat friendliness. Through mechanical analysis and aquaculture research, the present invention, based on the nonlinear distribution of ocean current energy along water depth, vertically divides the net into multiple functional zones to accommodate fish swimming in the upper layer and inhabiting the lower layer.

The invention relates to the technical field of water flow kinetic energy efficient conversion. The variable-mode conical flow guide type ocean current energy conversion device comprises a support, a turbine supporting structure, a flow guide type ocean current turbine and an electricity generation device. The turbine supporting structures and the electricity generating device are arranged on the support, the support is connected with the carrier, and the two turbine supporting structures are arranged at the two ends of the flow guide type ocean current turbine respectively. Magnetic levitation force is generated between the flow guide type ocean current turbine and the turbine supporting structure, the flow guide type ocean current turbine is used for rotating relative to the turbine supporting structure and the electricity generating device under driving of ocean current, and electromagnetic induction is generated between the flow guide type ocean current turbine and the electricity generating device to enable the electricity generating device to generate electric energy. The device has the performance of efficiently utilizing ocean current energy and being easy to start.

The invention relates to the technical field of wave flow energy power generation, in particular to a wave flow combined power generation platform and a power generation method.Three cylindrical box power generation assemblies are arranged in a cylindrical box, each cylindrical box power generation assembly can generate power through wave energy, and a wave power generation assembly can generate power through wave energy; the ocean current power generation assembly can generate power through ocean current energy, the wave current coupling assembly can output wave energy and ocean current energy in a coupling mode, the lower portion of each floater upper shell is connected with a floater lower shell, and an energy storage synergistic assembly is arranged in each floater lower shell. The power generation method of the wave-flow combined power generation platform comprises the steps that the floater upper shell floats relative to the cylindrical box, and the cylindrical power generation assembly generates power; the wave power generation assembly and the ocean current power generation assembly output power to the coupling assembly to generate power. The device is higher in stability, tidal current energy and wave energy are collected, coupled, superposed and output, and the ocean unit area energy utilization rate is higher.

The application discloses a manta ray diving device and method based on ocean current energy generation, and belongs to the underwater bionic robot field. The diving device comprises a diving device main body, an ocean current energy generation system, a working mode control system and a diving device driving system which are arranged on the diving device main body. The diving device main body comprises a diving device cabin body, a head assembly arranged at the front end of the cabin body, bionic chest fin assemblies arranged symmetrically on both sides of the cabin body, and a tail fin assembly arranged at the tail of the cabin body. The head assembly is used for carrying a multi-source sensing device. The ocean current energy generation system is used for capturing ocean current energy in time, and generating and storing energy. The working mode control system is used for controlling and switching different navigation states of the diving device according to power consumption. The diving device driving system is used for executing state instructions sent by the working mode control system, driving different parts of the diving device main body to change the posture of the diving device, and completing working mode switching. The application has high mobility and long endurance.

The invention belongs to the technical field of hydraulic machinery or hydraulic engines, particularly relates to a drop vortex type retarded ocean current energy collection device, and solves the technical problems of complex structure, large size, high starting flow velocity, low conversion efficiency, poor reliability and high maintenance cost in the prior art. The inner transmission rod is installed on the upper portion of the hollow cylinder, the magnetic coupler driven rotor is connected to the bottom end of the inner transmission rod, the outer transmission rod is installed on the lower portion of the hollow cylinder, the magnetic coupler driving rotor is connected to the top end of the outer transmission rod, and the turbine is connected to the bottom end of the outer transmission rod. The bottom cover is an integrated transition type cavity with the upper portion being a cylinder and the lower portion being a conical barrel, the cylinder is connected with a flaring type connector, and the bottom of the conical barrel is narrowed and then extends to form a cylindrical pipe opening. And a bottom flow guide pipe is connected below the cylindrical pipe orifice. The device is suitable for energy collection under the low-flow-speed ocean current condition, and the energy utilization efficiency under the low-frequency environment is improved.

The invention relates to the technical field of underwater vehicles. The invention provides an energy self-sustaining type unmanned underwater vehicle which comprises a shell provided with a containing cavity; the electrical storage device is arranged in the accommodating cavity; the power generation device is connected with the shell, the power generation device is electrically connected with the power storage device, and the power generation device is used for rotating relative to the shell under the driving of ocean current energy to generate electric energy. The ocean current energy is utilized to generate electric energy through the power generation device, the electric energy is stored in the electric power storage device, the electric power storage device provides running power for the underwater vehicle, electric quantity self-sustaining of the underwater vehicle is achieved, the ocean current energy is effectively utilized, the difficulty of utilizing the ocean current energy to supply power to deep sea observation equipment is reduced, and the underwater vehicle is more convenient to use. The target of long-time deep sea observation in any sea area is achieved.

The ocean current energy collecting, converting and utilizing device comprises a main supporting stand column of a hollow structure, two or more notches are formed in the side face of the main supporting stand column at intervals, and a collecting system is installed in each notch; a conversion system is configured for each collection system in the main supporting stand column, each conversion system comprises two octagonal frames symmetrically arranged above and below the corresponding collection system, and a plurality of stacked piezoelectric columns are horizontally arranged in the middle of the inner side of each octagonal frame; and the collecting system is used for collecting ocean current energy, the collecting system vibrates up and down in the notches of the main supporting stand columns under the action of the ocean current energy, in the up-down vibration process, the collecting system extrudes the octagonal frame bodies on the upper portion and the lower portion, so that the octagonal frame bodies are stretched towards the two sides, and in the extrusion stretching process, the stacked piezoelectric columns are pressed to generate electric energy. According to the invention, the energy conversion and collection efficiency can be optimized, so that the energy capture and conversion efficiency is improved.

The invention discloses an observation data correction method under an offshore wind wave and ocean current coupling condition, and the method comprises the steps: collecting original observation data in a coupling scene through an ocean wind wave current assimilation correction platform, screening target data meeting the coupling condition, and carrying out the initial correction through a wave current vortex energy covariance correction model, and inputting the preliminary correction data into a wind wave and flow combined cost function optimization algorithm to analyze an error source. And adjusting model key parameters and algorithm calculation coefficients according to an error result, performing secondary correction on the data, and finally feeding back the secondary correction data to a platform for comparison verification with historical data. The platform comprises a data acquisition and transmission unit, a model operation unit, an algorithm processing unit, a parameter adjustment unit, a thermal management monitoring unit and a result verification and storage unit, can correlate a wind wave and ocean current energy relationship, integrates thermal management parameters, solves the problem of insufficient correction precision in the prior art, and improves the accuracy of observation data under a coupling condition.

The invention relates to the technical field of underwater in-situ power supply. The invention discloses a deep sea ocean current energy power supply base station, which comprises two shells, the two shells are connected in a covering manner to form an accommodating cavity, and a power supply main body is arranged in the accommodating cavity; the shells are provided with trigger devices, when the trigger devices are triggered, the two shells are separated and fall off, the power supply main body is converted from a folded state to an unfolded state, and the power supply main body converts ocean current energy into electric energy. When the trigger device is triggered, the two shells are separated and fall off, after the two shells are separated and fall off, the force of the shells acting on the power supply main body disappears, the power supply main body is converted into the stretching state from the folded state, the power supply main body in the stretching state converts ocean current energy into electric energy, and the electric energy is provided for deep sea observation equipment. The power supply base station is simple in structure and small in occupied area, deployment can be completed only by stopping the engineering ship for a short time, and the cost for deploying deep sea in-situ power supply equipment is greatly reduced.

The invention relates to the technical field of water flow kinetic energy efficient conversion, and discloses a flexible blade ocean current energy conversion device with spherical omni-directionality, which comprises a flexible blade ocean current turbine and an electricity generation device, the flexible blade ocean current turbine comprises a turbine stator mechanism and a turbine rotor mechanism, magnetic levitation force is generated between the turbine rotor mechanism and the turbine stator mechanism, the turbine rotor mechanism comprises flexible blades, and the flexible blades are subjected to flow-induced deformation under the action of ocean currents so that the turbine rotor mechanism can rotate relative to the turbine stator mechanism and the electricity generation device under the action of the ocean currents. Electromagnetic induction is generated between the turbine rotor mechanism and the electricity generating device to enable the electricity generating device to generate electric energy. The device has the performance of being efficient, stable and easy to start in the deep sea environment and can work for a long time in the deep sea.

The application discloses a mooring type deep sea observation system based on a lift type water turbine, which comprises a suspended sea current energy power generation device, a deep sea base station and an underwater autonomous vehicle; the suspended sea current energy power generation device is connected with the deep sea base station, and the deep sea base station is used for providing functions for the underwater autonomous vehicle; the application can greatly reduce the cost and period of ocean observation by using deep sea current energy to supply power for ocean observation equipment; the mooring type deep sea observation system based on the lift type water turbine is provided, and the deep sea observation system is composed of the underwater autonomous vehicle, the deep sea base station and the suspended sea current energy power generation system. The suspended sea current energy power generation system is connected with the deep sea base station through an underwater cable and is suspended in water. The suspended sea current energy power generation system provides energy for the underwater autonomous vehicle and the sensor carried by the suspended sea current energy power generation system by using deep sea current energy, and energy supply is not needed for a long time stop of an investigation ship. The underwater autonomous vehicle is provided with energy by means of wireless charging.

The invention belongs to the technical field of new energy power generation, and particularly relates to an oil bag type buoyancy adjusting device for an ocean current energy generator set, which comprises a shell, a left oil bag, a right oil bag, a main posture adjusting unit, a buoyancy adjusting unit and an inner oil tank, the left oil bag and the right oil bag are used for achieving overall volume change to achieve buoyancy adjustment, the main posture adjusting unit is used for adjusting the pitching angle, the buoyancy adjusting unit is used for adjusting the depth, and the emergency posture adjusting unit is used for rapidly returning to the posture under the emergency condition. The method can be applied to the field of ocean current energy power generation, and control over buoyancy and postures of the generator set is achieved; the maintenance convenience and the power generation efficiency of the ocean current energy generator set are improved, and the adaptability and the stability of equipment under complex ocean conditions are enhanced.

The invention discloses a wave energy and ocean current energy power generation system integrated on a floating breakwater, and belongs to the technical field of new energy utilization and ocean engineering protection, the wave energy and ocean current energy power generation system comprises the floating breakwater, the two sides of the exterior of the floating breakwater are fixed through anchor chains, and a floating supply device and a wave energy power generation assembly are arranged in the floating breakwater; an ocean current energy power generation assembly is arranged at the bottom of the floating supply device; according to the invention, the wave energy absorption rate is improved by utilizing the wave energy absorption characteristic of the double air chambers; the ocean current turbine generator can further capture energy of seawater flowing; the whole system is of a floating structure, the position and posture can be flexibly adjusted according to changes of the marine environment, the environmental influence is small, adaptability is high, and installation is easy.

The utility model relates to the technical field of ocean power generation, and discloses an ocean current energy collection power generation device which solves the problems that in the prior art, an ocean current energy collection device is low in efficiency and low in power generation power, and the ocean current energy collection power generation device comprises a center column and a cylinder rotationally arranged on the outer wall of the center column in a sleeving mode. The cylinder and the first transmission shaft are in transmission through a transmission mechanism, blades are fixed to the ends, extending out of the second cavity, of the transmission shafts, balancers are fixed to the ends, extending into the second cavity, of the transmission shafts, and the balancers are perpendicular to the blades. The balancer is connected with a power mechanism used for driving the balancer and the blades to rotate, the device is low in starting flow speed, ocean current energy can be collected in all directions, and the limitation on power generation power can be broken through.

The embodiment of the present application provides a sea current power generation system. The sea current power generation system comprises a column group stand, a floating plate assembly and an energy conversion device. The column group stand comprises a column stand and a sliding spoiler, the sliding spoiler is arranged on the column stand and can reciprocate, one end of the floating plate assembly is hinged on the sliding spoiler and can swing in the up-down direction relative to the column stand, the energy conversion device comprises a hydraulic power generation unit, a first hydraulic component and a second hydraulic component, the first hydraulic component is connected with the sliding spoiler and can stretch and contract under the reciprocation of the sliding spoiler, and the second hydraulic component is connected with the floating plate assembly and can stretch and contract under the swing of the floating plate assembly. Therefore, the sea current power generation system according to the embodiment of the present application has the advantages of improving the power generation efficiency and power density.

The invention relates to the technical field of underwater in-situ power supply, and discloses a mooring observation platform based on a flow guide type water turbine. Comprising a shell which is of a hollow structure, and an energy storage device is placed in the shell; the mooring structure is used for mooring the shell body in ocean current; the flow guide structure is connected with the shell, and the flow guide structure and the shell are coaxially arranged; the energy conversion structure is rotationally connected with the shell, the energy conversion structure and the flow guide structure are coaxially arranged, the flow guide structure covers the energy conversion structure, the energy conversion structure is electrically connected with the energy storage device, and the energy conversion structure is used for converting ocean current energy into chemical energy in the energy storage device. Ocean currents are gathered through the flow guide structure, the flow speed of the ocean currents is increased, the energy conversion structure rotates relative to the shell, and then ocean current energy is converted into chemical energy in the energy storage device. The problem that self-starting is difficult due to the low ocean current flow speed is solved, and self-starting can be achieved in deep sea.