118 results about "Ocean winds" patented technology

The invention discloses an ocean wind-field retrieval method of a double-frequency coplanar synthetic aperture radar (SAR), relates to the technical field of remote sensing, and aims at developing a new ocean wind-field retrieval method according to the ocean detection characteristics of the double-frequency coplanar SAR. The method comprises the steps of performing radiometric calibration for an SAR image to obtain the calibrated SAR image; analyzing calculating backscattering coefficients through L-waveband and C-waveband geophysical model functions; then performing simultaneous restructuring for the L-waveband and C-waveband geophysical model functions to obtain the minimum cost functions; directly solving to obtain the ocean wind speed and wind direction; removing fuzzy wind direction. With the adoption of the method, the problem that the SAR ocean wind-field retrieval method depends on the background field wind direction data and wind stripes can be effectively solved, high-precision ocean wind speed and wind direction can be inverted directly through the back scattering of the radar, and therefore, the support is provided to the service application of the SAR ocean wind-filed detection.

The invention provides a multi-wavelength narrow-linewidth all-solid-state laser used for ocean exploration, and belongs to the technical field of lasers. The output energy of the 1064nm pulse laser is fully utilized, and simultaneous output of infrared light, green light, ultraviolet light and blue light can be realized through the nonlinear crystal frequency conversion technology. The multi-wavelength narrow-linewidth all-solid-state laser has the characteristics of being multi-wavelength, narrow in linewidth, compact in structure, high in efficiency and high in energy and is particularly suitable for the field of ocean wind field measurement, ocean plotting, underwater target detection and underwater communication; and the output wavelength of the blue light is within the Fraunholer line (486.1nm) of the solar spectrum so that the performance of the application system can be effectively enhanced.

The embodiment of the invention provides an anti-interference control method and device for a dynamic positioning ship, and an electronic device. The method includes steps of in consideration of the environmental interference such as ocean wind, ocean waves, and ocean current, establishing a state space mathematical model of the dynamic positioning ship by analyzing the dynamic characteristic andthe dynamic feature of the dynamic positioning ship; designing an interference observer based on the state space mathematical model and using the interference observer to obtain the external environmental interference estimated quantity of the dynamic positioning ship; designing an anti-interference controller based on the external environmental interference estimated quantity and acquiring an anti-interference control closed-loop system based on the anti-interference controller, the state space mathematical model, and the external environmental interference estimated quantity; and based on the anti-interference control closed-loop system, subjecting the dynamic positioning ship to anti-interference control based on an anti-interference compensation quantity. The method in the embodiment of the invention reduces the complexity of the model and the calculation amount of the control process while ensuring the control precision and the control stability.

The invention relates to a multifunctional ocean wind power mounting platform which comprises a ship body, a plurality of pole legs, a crane, a main power generator, a piling hammer and a pole embracing device. The pole legs extend downward from the bottom surface of the ship body. The crane is arranged at the deck of the ship body. The main power generator is used for supplying power to the crane. The piling hammer is arranged within the operating range of the crane. The pole embracing device is arranged at the edge of the deck of the ship body and is positioned within the operating range of the piling hammer.

The invention discloses a seawater corrosion resistant steel plate with high crack arrest and strain aging embrittlement resistance characteristics and a manufacturing method thereof. The seawater corrosion resistant steel plate is prepared from the compositions in percentage by weight: 0.040-0.070% of C, less than or equal to 0.15% of Si, 0.85-1.15% of Mn, less than or equal to 0.013% of P, lessthan or equal to 0.0030% of S, 0.90-1.20% of Cu, 0.60-1.00% of Ni, 0.05-0.30% of Mo, 0.010-0.030% of Nb, 0.008-0.014% of Ti, 0.040-0.070% of Al, less than or equal to 0.0050% of N, less than or equalto 0.0003% of B, 0.0010-0.0040% of Ca and the balance of Fe and inevitable impurities. The steel plate has high strength, excellent low-temperature toughness, the crack arresting characteristic and the strain aging embrittlement resistance characteristic, further has excellent seawater corrosion resistance, can withstand large heat input welding, is particularly suitable for icebreaker shells, offshore platforms, sea-crossing bridges, ocean wind tower structures, hydroelectric metal structures (pressure steel pipes, volutes, steel bifurcated pipes and hydraulic turbine metal components), pressure vessels and the like in ice sea areas, and can achieve stable mass industrial production.

The invention belongs to the technical field of marine flexible pipe cable experimental testing, and particularly relates to an overall linear hydrodynamic response experimental device for a marine wind power dynamic cable. Circulating flowing of water is achieved through the concentric-square-shaped structure of a water tank and a flow making mechanism, multiple marine dynamic cable in-place operation working conditions can be simulated by controlling a flow making device, a wave making device and a six-degree-of-freedom mechanism, a certain working condition can be experimentally simulated,the overall linear hydrodynamic response characteristics of a pipe cable under the complex condition of combining multiple working conditions can be experimentally simulated, and the overall linear hydrodynamic response characteristics of the ocean dynamic cable under the working condition of stable water flow can be tested and simulated.

The invention discloses a seawater corrosion resistant steel plate with high crack arrest and strain aging embrittlement resistance characteristics and a manufacturing method thereof. The seawater corrosion resistant steel plate is prepared from the compositions in percentage by weight: 0.040-0.070% of C, less than or equal to 0.15% of Si, 0.85-1.15% of Mn, less than or equal to 0.013% of P, lessthan or equal to 0.0030% of S, 0.90-1.20% of Cu, 0.60-1.00% of Ni, 0.05-0.30% of Mo, 0.010-0.030% of Nb, 0.008-0.014% of Ti, 0.040-0.070% of Al, less than or equal to 0.0050% of N, less than or equalto 0.0003% of B, 0.0010-0.0040% of Ca and the balance of Fe and inevitable impurities. The steel plate has high strength, excellent low-temperature toughness, the crack arresting characteristic and the strain aging embrittlement resistance characteristic, further has excellent seawater corrosion resistance, can withstand large heat input welding, is particularly suitable for icebreaker shells, offshore platforms, sea-crossing bridges, ocean wind tower structures, hydroelectric metal structures (pressure steel pipes, volutes, steel bifurcated pipes and hydraulic turbine metal components), pressure vessels and the like in ice sea areas, and can achieve stable mass industrial production.

The invention provides a data processing method of a synthetic aperture radar ocean wind-field retrieval variation model. Aiming at the problem that the EnVar and MCVar variation model process is high in the operand and is time consuming in the prior art, by means of taylor expansion and linearization cost function and based on Armijo inexact line search technique, the data processing method of a synthetic aperture radar ocean wind-field retrieval variation model can realize a rapid solution of using iteration to solve minimum of the cost function, thus improving the operation time efficiency.

The invention relates to a salt corrosion resistant and twisting resistant power cable for ocean wind power and a manufacturing method of the power cable. A stranded copper conductor is uniformly wrapped in a salt corrosion resistant and twisting resistant extruded rubber insulation layer to form a power cable insulated core; a plurality of power cable insulated cores are mutually stranded to form a power cable core; the power cable core is wrapped in a low-strength non-woven fabric longitudinal wrap on the periphery; and the low-strength non-woven fabric longitudinal wrap is wrapped in an extruded sheath. The power cable provided by the invention adopts the low-strength non-woven fabric longitudinal wrap which completely fits the power cable insulated cores in shape, so that gaps between the low-strength non-woven fabric longitudinal wrap and the power cable insulated cores are eliminated, convenience is provided for stopping flame from spreading inwards under a combustion condition and the resistance to moisture impregnation is enhanced; and meanwhile, the low-strength non-woven fabric longitudinal wrap can ensure that the sheath is not stuck to the insulated cores, and provides convenience for stripping the sheath in a construction process without damaging the insulated cores.

The invention discloses a method for dual power generation by using ocean wave energy and wind energy. The method comprises the steps that floating balls rise and fall through waves, and the floatingballs rise and fall for pulling a gear shaft I to rotate through a connecting rod / a connecting bracket; the gear shaft I is rotated to pull a rotating shaft to rotate around the axis of the rotating shaft through an input bevel gear, a transmission bevel gear and an output bevel gear; the rotating shaft is rotated for transmitting power to an input component of a planetary acceleration mechanism,and the power is output to a generator rotor through an output component of the planetary acceleration mechanism; the generator rotor is rotated so that power generation can be achieved by using the ocean wave energy; in the power generation process of a generator by using the ocean wave energy, ocean wind energy generated simultaneously with the waves can be used for driving the rotating shaft torotate in the same rotation direction as the rotor during operation of the generator through vertical shaft spiral wind power generation fan blades; and the rotating shaft is rotated for driving thegenerator rotor to rotate, and the generator works for power generation by using the ocean wind energy.

An ocean wind power generation device based on stepless speed change, belonging to the ocean wind energy equipment field, comprises a blower fan, a support body, an index plate, magnets, a cylinder, rectangular magnets, a speed change plate, a telescopic rotation shaft, a power generator and an air pipe, wherein the blower fan and the index plate are mounted together via the support body, a plurality of magnets are uniformly distributed on the index plate, the power generator is fixed on the support body, the power generator and the speed change plate are mounted together via the telescopic rotation shaft, a plurality of rectangular magnets are uniformly distributed on the speed change plate, the speed change plate and the index plate are in vertical relationship, the cylinder is mounted opposite to the speed change plate and fixed on the support body, a rolling ball is arranged on the cylinder head, the air pipe is fixed on the support body, and one right-angle end of the air pipe isparallel to the blower fan and the other end of the air pipe is parallel to the telescopic rotation shaft. The inventive wind power generation device with speed change mechanism can output stable electric power, and has characteristics of long service life and strong corrosion resistance.

The invention discloses a semi-submersible type anti-overturning device for an ocean platform. The semi-submersible type anti-overturning device for the ocean platform comprises a rotating support arranged on the outer side of the ocean platform, a blade set, a power generating device and a control system; the rotating support comprises a lower base ring and an upper base ring, and the bottom of the lower base ring is movably connected with the ocean platform through a plurality of annularly and uniformly distributed hydraulic cylinders. The upper base ring is located above the lower base ring, and is connected with the lower base ring in a sliding manner, and the upper base ring can rotate around its center relative to the lower base ring. The blade set comprises a plurality of wing-shaped blades, and the wing-shaped blades are annularly and regularly arranged above the upper base ring; the wing-shaped blades are all arranged in the vertical direction, and the lower ends of the wing-shaped blades are adjustably connected with the upper base ring. An inner gear is arranged on the inner side of the upper base ring, and rotates along with the upper base ring, and the inner gear drives the power generating device to wok through a transmission mechanism. According to semi-submersible type anti-overturning device for the ocean platform, influences of sea wind on operation of the ocean platform can be effectively weakened, harm of ocean wind power is converted into electric energy, and wind power generation is clean, free of pollution, green and environment-friendly, and high insafety performance.

The invention provides a measurement method and system for automatically correcting ocean wind speed and direction. The measurement method comprises the following steps: obtaining measurement data ofa ship to be measured; and constructing an Elman neural network model optimized based on a genetic simulated annealing algorithm, inputting the obtained measurement data of the ship to be measured into the trained Elman neural network model optimized based on the genetic simulated annealing algorithm, and outputting the corrected real wind speed and direction. An Elman neural network is optimizedby adopting a method of combining a genetic algorithm and a simulated annealing algorithm to acquire an Elman neural network model optimized based on a genetic simulated annealing algorithm; the corrected real wind speed and direction can be quickly and accurately output according to the model, errors are reduced, measured marine real wind data are more accurate, navigation control over the ship can be guided according to the marine real wind data, and the safety of the sailing ship is improved.

The invention discloses a novel ocean temperature difference power generation system. An ammonia water mixture is adopted by the system to be used as a cycle working medium, and a gas-liquid separator, a recoverer and a thermal absorber are added. The temperature difference between deep cold ocean water and surface warm ocean water is adopted, the warm ocean water is used as a thermal source of the system to heat the working medium with a low boiling point, and the working medium is made to evaporate and boil to push a power generator to generate power. The deep cold ocean water is used as a cold source of the system to cool and liquefy the working medium, and the cycle is repeated, so that power is continuously generated. In order to ensure continuous and stable operation of the power generator, an ocean wind dynamic power generation device, a thermal storage device and a solar thermal collection device are added. A low-speed shaft of a wind wheel and a low-speed shaft of a steamer are combined in a speed-increasing gear box, and power is transferred to the power generator for power generation after speed increasing. A wind meter and a wind speed control device are additionally installed on the speed-increasing gear box. When the wind speed changes, the tooth spaces of a gear can be controlled by the control device, the continuous and stable power generation of the power generation system is ensured, the power generation thermal efficiency of the power generation system is greatly improved, and the applicable ocean area of the power generation system is increased.

The invention discloses salt corrosion resistance twisted cable insulation rubber used for ocean wind power and a preparation method of the salt corrosion resistance twisted cable insulation rubber. By weight, raw materials comprise 8 parts of Keltan5508, 12 parts of DutralTER4044, 5-7 parts of EP-20, 0.5-0.7 part of DCP, 0.3-0.5 part of TAC, 0.2-0.4 part of HVA-2, 0.2-0.4 part of RD, 0.2-0.4 part of MB, 0.2-0.4 part of KH-550, 2.1-2.5 part of hydration zinc borate, 1-1.5 parts of antimony trioxide, 25-40 parts of aluminum hydroxide, 0.8-1.2 part of red lead, 0.5-1 part of stearic acid, 1.5-2 parts of nan-zinc oxide, 2-5 parts of paraffin oil Sunpar2280, 0.5-1 part of chlorinated paraffin-52, and 1-3 parts of hydration silicon dioxide. According to the method, firstly, the EPDM rubber Keltan5508, the DutralTER4044 and the EP-20 are mixed for 1-1.5 minutes, and then other components except for a vulcanizing agent and a co-vulcanization agent are added. After mixing is carried out for 7-8 minutes, discharging and airing are carried out for more than 24 hours. Then the rubber materials are mixed for 2-3 minutes, the vulcanizing agent and the co-vulcanization agent are added at the last 20 seconds, and the mixed materials are loaded on an open mill for milling, triangular injection molding and square injection molding and then sheeted. The insulation rubber is good in mechanical performance, anti-corrosion performance and anti-aging performance and long in service life.

The invention provides an ocean wind power generation single pile foundation scouring protection device, and belongs to the technical field of ocean wind power. The ocean wind power generation single pile foundation scouring protection device comprises a backfill gravel layer arranged on the periphery of the single pile foundation in a surrounding mode, the backfill gravel layer comprises a conical rock-fill layer located above the surface of a seabed and a soil-entering rock-fill layer located below the surface of the seabed, and the surface of the conical rock-fill layer is wrapped with a buffer layer. The ocean wind power generation single pile foundation scouring protection device is good in protection effect and stable and durable in structure, meanwhile, the ocean pasture technology is combined, the breeding output is improved, the economic benefits are improved, the sea is intensively used, the resource utilization efficiency is improved, and therefore the construction cost and the operation and maintenance cost are reduced.

The invention relates to a floating offshore integrated power generation device. The floating offshore integrated power generation device comprises a mounting platform, floating boxes, ocean current energy power generation devices, a wave energy power generation device, ocean wind power generation devices, diversion plates, control chambers and a take-up and pay-off frame, the two floating boxes are symmetrically and fixedly mounted at the left and right ends of the mounting platform, the diversion plate are arranged on the front end faces of the two floating boxes, and the wave energy power generation device is arranged under the mounting platform between two floating boxes; and the ocean wind power generation devices and the control chambers are arranged on the mounting platform, the take-up and pay-off frame is arranged on the control chambers, and the symmetrical current energy power generation devices are arranged under the two floating boxes. The floating offshore integrated power generation device has the beneficial effects that the device integrates the current energy power generation devices, the wave energy power generation device, and the ocean wind power generation devices, the ocean wind energy, wave energy and current energy can be used fully and transformed into the electrical energy, and the ability of comprehensive utilization of the ocean energy is improved.

The invention discloses a three-dimensional combined type ocean energy utilization power generation method. A system consisting of n wind power air compressors, m floating box direct supply type air compressors, air collection pipelines, compressed air storage tanks, compressed air gas turbines and engines is used for completing the conversation process and the method from ocean wind energy and ocean wave energy to electric energy through compressed air. In addition, because the compressed air has the characteristic of storage capability, the problems of unstable output electric power and uncontrollable electricity consumption peak regulation of the traditional wind power electricity generation can be solved.

The invention discloses a ship marine operation assistant decision support system based on a mobile terminal and belongs to the technical field of shipbuilding and oceanography engineering. Accordingto the ship marine operation assistant decision support system based on the mobile terminal, through weather forecast and a shipborne sensor, ocean environment basic information of a sea area where aship is located is obtained; through a systematic ocean wind wave theoretical model, ocean wind wave fields around the ship are built; through a super computer or cloud computing, real-time simulationis conducted on ship movement to obtain ship movement responses, and by combining relevant marine operation norms and the ship movement responses, marine operation assistant decision information is given; and the assistant decision information can be real-timely fed back to a user on the ship through the mobile terminal. The ship marine operation assistant decision support system based on the mobile terminal can provide assistant decision support for ship marine operation scheme design and implementation, at the operation scheme design stage, the possible dangerous situations are evaded or early warned, and the ship marine operation assistant decision support system has wide market application prospects and good social benefits and economic value.

The invention discloses high-strength steel for a corrosion-resistant fastener for ocean wind power and a production method, and belongs to the technical field of ocean wind power fastener materials.The high-strength steel for the corrosion-resistant fastener for ocean wind power comprises the following main chemical components in percentage by mass: 0.20% to 0.30% of C, 0.60% to 0.80% of Si, 0.40% to 0.60% of Mn, 1.20% to 1.40% of Cr, 0.15% to 0.30% of Mo, 0.30% to 0.50% of Ni, 0.20% to 0.40% of Cu, 0.10% to 0.20% of Sn, 0.020% to 0.037% of Al, 0.010% to 0.015% of N, 0.0015% to 0.0035% of Mg, less than or equal to 0.020% of P, less than or equal to 0.010% of S and the balance of Fe and inevitable impurities. The grain size and austenite grain size of the steel are smaller than or equal to 11 [mu]m, the steel has high strength and high toughness, the heat treatment mechanical property reaches the 10.9 grade or above, the KV2 impact toughness value at -80 DEG C is larger than or equalto 65 J, and the chloride ion corrosion resistance is 1.5 times or above that of market general 10.9-grade wind power bolt steel.

The invention discloses an oceangoing squid fishing boat with a horizontal-shaft wind power generator. The oceangoing squid fishing boat comprises squid collecting lamps, an electricity storage device, a current stabilizer and the horizontal-shaft wind power generator, one end of the current stabilizer is connected with the horizontal-shaft wind power generator through a lead while the other end of the same is connected with the electricity storage device through a lead, and the other end of the electricity storage device is connected with the squid collecting lamps through a lead. During anchoring work or traveling, the oceangoing squid fishing boat can fully utilize ocean wind, convert wind energy into electric energy and provide electricity for trapping work of the oceangoing squid fishing boat and crew's living, so that oil consumption is reduced, cruising capability of the oceangoing squid fishing boat is improved, and environmental pollution is reduced.

The invention discloses a negative pressure bucket applicable to ocean wind power and capable of downwards penetrating to the position below the sea bottom surface. The negative pressure bucket comprises a bucket body with a downward opening; a stand barrel is disposed in the center of the upper end face of the bucket body; a drainage hole and a plurality of uniformly distributed water inlet holes which communicate with the inside of the bucket body are formed in the positions, on one side of the stand barrel, of the upper end face of the bucket body; and a self-rotating spray nozzle is connected with the lower end of each water inlet hole inside the bucket body. The invention further discloses an installation method for the negative pressure bucket at the same time. The downwards penetrating depth of the negative pressure bucket is freely controlled within a certain range through alternate starting and stopping of an injection pump and a water suction pump. Meanwhile, when the end of the negative pressure bucket downwards penetrates to the position below the sea bottom surface, a sea bottom soil body gradually buries the end due to washing of sea bottom underflow action, so that the end is effectively utilized, and the ultimate up-lift bearing capacity and overturning resistance of the negative pressure bucket are greatly improved. According to the negative pressure bucket, the counter acting force of high-pressure water is fully utilized so as to achieve self-rotation of the spray nozzles, the range of impact of the high-pressure water on the sea bottom surface soil body is greatly widened, and local impact is effectively avoided.

The invention relates to a preparation method of an anticorrosive coating on the surface of an ocean wind power tower drum, in particular to a method for preparing the anticorrosive coating on the surface of the ocean wind power tower drum by using a high-speed laser cladding technology. The method comprises the following steps of carrying out laser cleaning on the surface of a drum body by usingultra-high-speed laser cladding equipment under the condition of not feeding powder, and carrying out ultra-high-speed laser cladding by using alloy powder with a reasonably configured powder particlesize ratio as a cladding material. The defects that a traditional ocean wind power tower anti-corrosion coating is complex in manufacturing process and tedious technology, the binding force of coating protection and a base body is weak, the service life of the coating is short, and damage is prone to happening are overcome. Meanwhile, the method is high in productivity, the production cost is saved, and the production process is easy to realize automation and intellectualization.

The invention discloses an ocean energy generating device. The ocean energy generating device comprises a pile body which is vertically arranged and with the lower end fixed in a water body, a floating body capable of floating on the water surface, a hydraulic turbine unit and a supporting bracket used for fixing the pile body. The cross section of the pile body is in a round shape, and a limitingplate is arranged at the upper end of the cross section. A plurality of sliding grooves matched with first and second sliding sleeves are formed in the outer wall of the pile body in the vertical direction. A plurality of sliding blocks matched with the sliding grooves are arranged on the inner walls of the first and second sliding sleeves. The second sliding sleeve is located above the first sliding sleeve. The first sliding sleeve is connected with first and second fixed cantilevers which are on the same level and rotate in the circumferential direction of the pile body by gears. Water turbines are arranged at the ends of the two fixed cantilevers. Output shafts of the water turbines are connected with a generator. The second sliding sleeve is connected with a horizontal rod which rotate in the circumferential direction of the pile body by a gear. The floating body is arranged at the end of the horizontal rod. The device further comprises a worm wheel generator arranged below the floating body. Wave energy, ocean wind energy and tidal current energy can be collected simultaneously, and ocean energy collecting efficiency is improved.

The invention relates to a salt corrosion and torsion resisting type shielding telecommunication cable used for ocean wind power and a manufacturing method thereof. A salt corrosion and torsion resisting type rubber insulating layer is uniformly extruded to wrap the peripheries of stranded copper conductors in order to form insulating wires, the insulating wires are stranded in pairs to form a stranded wire pair, the gap of the stranded wire pair is filled with a flame-retardant non-hygroscopic fiber filling core, the periphery of each group of stranded wire pair is wound with a copper foil polyester compounding belt shielding layer to form a stranded group, multiple stranded groups are mutually stranded to form a cable core, and the periphery of the cable core is wrapped with low strength non-woven fabrics, and is extruded with a protective sleeve. According to the salt corrosion and torsion resisting type shielding telecommunication cable, a longitudinal low strength non-woven fabric wrapping layer is adopted, and is completely matched with the insulating wire core in shape, so that the gap between the longitudinal low strength non-woven fabric wrapping layer and the insulating wire core is eliminated, a flame can be favorably prevented from being continuously transmitted to the inside under the combustion condition, and the humidity steeping resistance is improved. Meanwhile, the longitudinal low strength non-woven fabric wrapping layer can ensure that the protective sleeve does not adhere to the insulating wire core, and facilitates the stripping of the protective sleeve in the construction process without damages on the insulating wire core.

The invention discloses an ocean wind energy downscaling method based on a deep learning neural network. The method comprises: collecting for a period; performing 0.2-0.3 degree high-resolution reanalysis on day-by-day sea surface 100m wind field data in the data, performing 1-3 degree low-resolution reanalysis on day-by-day sea surface 10m wind field and sea level air pressure field data in the data, and performing 1-3 degree low-resolution global climate mode data on day-by-day sea surface 10m wind field and sea level air pressure field data in the data; carrying out normalization processingon the collected data; training a deep learning neural network model; and applying a deep learning neural network model to obtain 0.2-0.3 degree high-resolution day-by-day sea surface 100m wind fielddata after downscaling of the target area. According to the method, through the deep learning neural network, intrinsic characteristics and essential rules contained in the data are extracted, downscaling errors are reduced, and prediction of ocean wind energy is more accurate.

The invention relates to the technical field of marine garbage removal, in particular to a funnel type ocean shoal white garbage collecting device. The funnel type ocean shoal white garbage collectingdevice solves the technical problems that during flood tide and ebb tide, white garbage is brought to ocean, and the ecological environment pollution and marine pollution are caused. In order to solve the above technical problems, the funnel type ocean shoal white garbage collecting device is provided and comprises a collecting box, protection ropes are fixedly connected to the tops of the two sides of the collecting box, first floating balls are fixedly connected to the bottoms of the protection ropes, a protection net is fixedly connected to the tops of the protection ropes, second floatingballs are fixedly connected to the tops of the two sides of the collecting box, and a wind power air sucking mechanism is fixedly connected to the top of the collecting box. According to the funnel type ocean shoal white garbage collecting device, suction force generated by ocean wind collects the white garbage on the ocean shoal to the interior of the collecting box, and recovering and removingof the white garbage on the ocean shoal are facilitated.

The invention relates to a pile foundation structure reinforced by a single-pile foundation of an offshore wind turbine generator set and a construction method, which comprises an offshore wind turbine generator set single pile foundation and at least three steel pipe piles which are circumferentially and uniformly distributed around the single-pile foundation, wherein at least one layer of combined beam system structure is arranged between the at least three steel pipe piles and the combine beam system structure comprises a central sleeve fixedly sleeving the outer side of the single pile foundation; the outer side of the central sleeve is provided with at least three skirt pile sleeves which are uniformly distributed in circumference and the positions of which are corresponding to the positions of steel pipe piles, the skirt pile sleeves are fixed on the outside of the steel pipe piles, combined beams are fixedly arranged between the skirt pile sleeves and the central sleeves, according to the invention, the structural design is reasonable, the horizontal bearing capacity and rigidity of the single-pile foundation and the integral stability of the structure can be improved, the investment cost is also reduced, the structure has universal applicability and wide application prospect in the field of ocean wind power.

The invention provides an autonomous sailing stormy wave current monitoring buoy, which comprises a platform module, an autonomous cruising module, a measurement module, a data storage and processingmodule and an energy supporting module, wherein the autonomous cruising module, the measurement module, the data storage and processing module and the energy supporting module are all arranged on theplatform module; data collected by the measurement module is transmitted to the data storage and processing module; the data storage and processing module is connected with the autonomous cruising module; and the energy supporting module is independently connected with the measurement module and the data storage and processing module. The buoy has an autonomous cruising function. According to thesetting of a task instruction, the autonomous and high-accuracy observation of the ocean wind speed, the stormy wave height and wave direction as well as the ocean current speed and flow rate of a large-range ocean area can be realized. The autonomous sailing stormy wave monitoring buoy provided by the invention has power, a mooring system does not need to be used, measurement along with a ship can be realized, meanwhile, a great quantity of laying and installation expenses can be saved, the buoy can be autonomously recovered and reused, and marine garbage is avoided.