103 results about "Ocean tide" patented technology

The invention discloses an automatic test device for simulating an ocean tide environment. A sea water circulating controller comprises a water inlet device and a water outlet device; a water inlet pump of the water inlet device and a water outlet pump of the water outlet device are variable-frequency water pumps; the water inlet device is communicated with a water inlet of a main corrosion working chamber and a water outlet of an auxiliary corrosion working chamber respectively; the water outlet device is communicated with a water outlet of the main corrosion working chamber and a water inlet of the auxiliary corrosion working chamber respectively; and a first flow sensor is arranged in the water inlet device, and a second flow sensor is arranged in the water outlet device. A sea water temperature controller is arrange at the bottom of the main corrosion working chamber; a low liquid level controller and a high liquid level controller are fixedly arranged in the main corrosion working chamber; an air blowing port of an air blowing device and an illumination device are positioned above the high liquid level controller; and the water inlet device, the water outlet device, the sea water temperature controller, the air blowing device and the illumination device are connected with the controller respectively. The automatic test device can effectively simulate the actual ocean tide environment.

The invention relates to an arm-length-variable vertical shaft tide current water turbine generator set which belongs to the field of development of renewable energy sources. The generator set mainly comprises a blade, an arm seal, a telescopic arm, a piston, a fixed arm, a hydraulic cylinder for shortening, a hydraulic cylinder for extending, a support wheel disk, a compressing nut, a tide current speed and direction sensor, a main shaft, a main shaft bearing, a big gear, a support seat, a hydraulic oil station, a hydraulic pump for shortening, a hydraulic pump for extending, an electric brush, an integrated control system, a shaft neck seal, a small gear shaft bearing, a small gear shaft, a coupling and a generator. The telescopic arm is dynamically extended or shortened in the rotatingprocess of the blade according to the tide current direction and flow speed; and when the normal of the telescopic arm is parallel or perpendicular to the tide current direction, the telescopic arm is respectively changed to be the longest or shortest so that a vertical shaft tide current water turbine reaches highest energy capture efficiency. The self-start capability of the water turbine on low-speed tide current can be also improved by adjusting the telescopic arm. The arm-length-variable vertical shaft tide current water turbine generator set disclosed by the invention can be used for the comprehensive utilization and development of river water flow energy and ocean tide current energy.

A floating power plant for converting energy from ocean tides and free flowing rivers, without the need for a dam or barrage. The power plant includes a floating platform which houses a hydro-turbine above the water surface; and transfer-conduits which transfer the water and drive the turbine. The power plant include adjustable moorings and stabilizing ducts to allow for the alignment of the conduit inlets with the current.

This invention discloses ocean tide power generation equipment and method, which contains V-shape check dam, overtopped dam, water storage reservoir, drainage reservoir, water intake gate, drainage sluice and power generator set. When the ocean is on the tide, open intake gate, close sluice in ebb, use the water level difference to generate electricity. Said V-shape check dam can collect sea water as the tide is small. Said invention has low cost and stable operation.

The invention provides a wheel-oriented current force stretching plate water or wind wheel and a power generation system. The power generation system comprises a rotating wheel, a center shaft, stretching plates and power generating sets. The stretching plates are arranged on the rotating wheel in a sliding mode, the stretching plates on one side of the rotating wheel stretch out to be in a water blocking stress state under the action of water power and wind power, the stretching plates on the other side of the rotating wheel draw back to the rotating wheel, the thrust for the stretching plates is not generated by water current, and therefore the stress on the two sides of the rotating wheel is unbalanced, and the rotating wheel rotates to drive the power generating sets. A submersible type slow-current power generation scheme and large equipment are provided for ocean tides, river beds, water pipe wind channels, universal ocean current wind power and universal wind power, and the wheel-oriented current force stretching plate water or wind wheel and the power generation system have the advantages of being high in power, high in resistance to destructive power and low in maintenance cost.

The invention discloses an offshore wind energy and ocean tide energy combined power generation platform, and belongs to power generation equipment. The upper side of a floating platform is provided with a vertical axis wind turbine, and the lower side of the floating platform is provided with a supporting tower cylinder assembly; a blower gearbox, a generator rotor, generator stator and a water power gearbox are sequentially assembled in the floating platform from top to bottom; the blower gearbox and the water power gearbox are connected with the generator rotor, a water power transmission shaft is mounted on the supporting tower cylinder assembly, a wind turbine power transmission shaft of the vertical axis wind turbine is connected with the blower gearbox, and a water power transmission shaft of the vertical axis wind turbine is connected with the water power gearbox; and linear wing water blades are mounted on the water power transmission shaft through a water turbine rotating shaft and a supporting beam, and a water turbine is mounted on the water turbine rotating shaft. According to the platform, offshore wind energy and ocean tide energy can do power generation work on the same power generation platform, and the beneficial effects that the structure is novel, reasonable and simple, the manufacturing cost is reduced, the generating capacity is large, and use is safe and reliable are achieved.

The invention provides an ocean tide load displacement parameter estimation method based on precise point positioning (PPP) and harmonic analysis. Three-dimensional ocean tide load displacement influences are regarded as unknown parameters, and together with other PPP positioning parameters, real-time estimation is carried out; and through harmonic analysis, the ocean tide load displacement parameters for each tidal wave are extracted. Based on a theory of estimating 48 ocean tide parameters by static PPP, 3 unknown ocean tide parameters are used to replace the 48 parameters, the ocean tide load displacement is estimated dynamically and in real time, reduction of the estimated value calculation strength due to rapid increasing of unknown numbers can be effectively avoided, and advantage complementation between the static PPP and the dynamic PPP can be realized. The ocean tide load displacement parameter estimation method based on precise point positioning and harmonic analysis has theadvantages that the algorithm is advanced; the precision is high; the stability is strong; the automatic degree is high; the realization is simple; a high-precision and high-resolution ocean tide loaddisplacement model for a coastal area can be constructed through ocean tide parameter estimation; and service and guarantee are provided for correction of ocean tide load effects in high-precision GNSS data processing.

The invention relates to a tide power generation device comprising a support, a control device and a tide power generation unit. The tide power generation device is characterized by also comprising a piston cylinder, a piston, a floating box, a high-pressure air storage tank and an atmospheric pressure engine, wherein the piston cylinder is arranged on the support, the piston can move up and down in the piston cylinder, the floating box is internally hollow, the top and the bottom of the piston cylinder are respectively provided with an air inlet and an air outlet, the high-pressure air storage tank is provided with an air inlet and an air outlet, the air inlet of the high-pressure air storage tank is connected with the air outlet of the piston cylinder through an air transmission pipeline, the air outlet of the high-pressure air storage tank is connected with the atmospheric pressure engine, and the atmospheric pressure engine is also connected with the tide power generation unit. Using the renewable ocean tide to generate power, the tide power generation device is clean, stable and reliable, emits less carbon and can not affect the ecological balance.

The invention discloses a flexible telescopic cylinder ocean tide water pumping device, which comprises a floating body assembly, a telescopic cylinder, a lower base cylinder, a lower floating box and an ocean floor connecting element, wherein the floating body assembly is positioned above the telescopic cylinder, the lower base cylinder is positioned under the telescopic cylinder, the lower base cylinder is arranged on the lower floating box, the ocean floor connecting element is connected with the lower floating box, the lower base cylinder is provided with a high-pressure water discharging opening, the telescopic cylinder consists of two flanges and a telescopic cylinder body, the telescopic cylinder body is positioned between the two flanges, the floating body assembly is provided with a hollow upper floating tube, and seawater increasing the weight of the upper floating tube is contained in a cavity of the upper floating tube during the tide falling. The flexible telescopic cylinder ocean tide water pumping device has the advantages that such a structure is adopted, the ocean geographical environment can be met, the tidal energy utilization rate is improved, the installation is convenient and safe, the structure is simple and reliable, the maintenance cost is low, and the efficacy is high. The flexible telescopic cylinder ocean tide water pumping device can be widely applied to the aspects of ocean tide water storage power generation, seawater desalting, seawater culture, seawater salt making through evaporation and the like.

The present invention discloses the methods of utilizing the energy of sea wave in generating electricity. Several generating methods, including air collecting and pressure raising air cylinder method, float type pressure raising method, commutating box method and dam constructing and pressure raising method, are provided. The present invention also provides piston type booster, commutating box for measuring sea wave pressure and strength, automatic tide height regulator, piston type booster gate valve controlling circuit, and sea wave boat with commutating box.

The invention relates to the technical field of marine environmental protection, and discloses a marine floating garbage collecting device utilizing tidal energy. The marine floating garbage collecting device comprises a float; a fixing frame is welded to the bottom of the float; a collecting tube is inserted to the inner side of the fixing frame; a collecting box is welded and connected to the bottom of the collecting tube; and the outer side of the float is provided with four collecting ports. According to the marine floating garbage collecting device utilizing tidal energy, by installing aturbine in the float, when the float is affected by ocean tides to move upwards during usage, the collecting tube drives a rack to move downwards, since a left side rotating wheel are away from rack teeth, the left side rotating wheel is unaffected, a right side rotating wheel is opposite to the rack teeth, the rack drives the right side rotating wheel to rotate counterclockwise, the right side rotating wheel drives a right side moving gear to rotate through a right side connecting rod, the right side gear drives the turbine to rotate, thus, water in the float flows from top to bottom, and seawater carries floating garbage into the float through the collecting ports.

The invention relates to a seawater geothermal energy heat pump system and the method thereof for extracting seawater geothermal energy. The system comprises a geothermal energy collecting device, a closed type thermal transmission loop, a heat pump and an output device which are connected in series in the mode of the coupled heat transfer; wherein, the geothermal energy collecting device comprises a heat-collecting well pipe built in the sand beach where the ocean tide happens and a sealing well lid is arranged at the upper end of the heat-collecting well pipe; a submersible pump arranged in the heat-collecting well pipe is extended out from the well lid so as to be communicated with one end of an energy output coil of a first heat exchanger while the other end of the energy output coil drives the seawater after being put into the heat exchange to flow back to the sea. The method is that the heat-collecting wells and the dams are built in the sand beach zone between the average low tide line of the ocean tide and the utmost upper boundary line that the wave effects can reach. The invention is characterized in that the natural environment-friendly geothermal energy in the seawater is extracted so as to be respectively used for the heating and refrigeration, thus creating the benefits for the human beings. The system has no complicated deep-level underground hydraulic construction, has low cost, low running cost and high efficiency and is safe and reliable.

The invention provides a water turbine with a water pumping function. The water turbine comprises a shell consisting of an upper end cover, a lower end cover and a side wall, wherein a rotatable water-wheel shaft is mounted between the upper end cover and the lower end cover; a rotor is mounted on the water-wheel shaft; a water inlet and a water outlet are formed in the shell; the rotor comprises ring grooves formed by adjacent coaxial cylinders; a water stop device used for closing the ring grooves is arranged on the shell; blade openings are formed in a blade cylinder between the adjacent ring grooves in the symmetric direction; rotatable blades are fixed to the blade openings through a blade shaft; a blade open-close guide rail is arranged on the upper end cover; and a blade control rod is arranged at the top of the blade shaft, is movably inserted into the blade open-close guide rail and drives the blade shaft to rotate when the rotor rotates. The water turbine with the water pumping function can utilize the water flow energy of rivers, streams and other running waters, as well as the water flow kinetic energy of ocean tides, and can also utilize water flow energy conversion in the natural state to achieve the water pumping purpose.

The invention discloses an ocean tide correction positioning method and system of a satellite-borne GNS-R specular reflection point. The method includes: acquiring spatial position information of a navigation satellite and a receiver; determining a specular reflection point S on a reference ellipsoid according to the obtained spatial position information of the navigation satellite and the receiver; acquiring a static elevation correction amount and a time-varying elevation correction amount; on the basis of the static elevation correction amount and the time-varying elevation correction amount, carrying out static elevation correction and the time-varying elevation correction on the specular reflection point S on the reference ellipsoid to obtain a specular reflection point S'on an oceantidal surface; and carrying out normal correction on the specular reflection point S' on the ocean tidal surface to obtain a position S'of the specular reflection point S'on the ocean tidal surface ona normal vertical plane of the ocean tidal plane. Therefore, the sea surface positioning accuracy of the satellite-borne GNSS-R specular reflection point is improved.

The invention discloses a wheel direction flowing force movable plate pull lifting opening/closing water wheel or wind wheel and a power generation system. The system comprises rotating wheels, a center shaft, movable plates, pull lifting pieces and a power generator unit; the movable plates are arranged on the rotating wheels; power ends of the movable plates are connected from one sides of the movable plates by the pull lifting pieces; the movable plates are automatically opened and closed under the effect of water power and wind power, so that the movable plates on one side of the rotating wheels are located in an opening water stop stress state under the effect of the pull lifting pieces, the movable plates on the other side reversely push the pull lifting pieces in the water flowing direction to flow the movable plates in water, and the stress on two sides of the rotating wheels is unbalanced to rotationally drive the power generator unit; and the system provides a submersible flow-flowing power generation scheme and large equipment for sea tides, river beds, water pipe wind ways, universal ocean current water force and universal wind power, and has the characteristics of high power, high destructive resistance and low maintenance cost.

The invention provides a double-way tidal generator. The double-way tidal generator comprises a roof, a roof cover, a body, a base, a water inlet, a water outlet, a water wheel axle, a power output wheel, a water wheel, a bearing, a flow guide plate, a first baffle, a second baffle and safety nets, wherein the roof cover is arranged in the middle of the top of the roof; the body is welded at the bottom of the roof; the base is welded at the bottom of the body; the right end of the body is the water inlet; the left end of the body is the water outlet; the water wheel axle is arranged in the middle of the roof cover; the power output wheel is arranged at the top end of the water wheel axle; the other end of the water wheel axle is connected with the base after running through the roof cover and the roof; the water wheel sleeve the water wheel axle; the bearing is arranged in the body at the right lower end of the water wheel; the flow guide plate sleeves the bearing; the first baffle is arranged on the base at the right lower part of the flow guide plate; the second baffle is arranged at the left upper part of the flow guide plate; and safety nets are mounted in the water inlet and the water outlet, respectively.

The invention relates to a monitoring system, and discloses an intelligent remote real-time monitoring system and an ocean tide level monitoring method. The intelligent remote real-time monitoring system comprises pressure sensors (1), multiple wave absorbing tubes (3), a solar power supply device (7), a digital air pressure gauge (6) and a central controller (8), wherein the pressure sensors (1) are installed on the wave absorbing tubes (3), the solar power supply device (7) supplies power to the digital air pressure gauge (6) and the central controller (8), the central controller (8) is connected with the pressure sensors (1) and the digital air pressure gauge (6) and analyzes data transmitted by the pressure sensors (1) and the digital air pressure gauge (6) to obtain the tide level data of the sea area at the observation place. The intelligent remote real-time monitoring system has the advantages of intelligently, automatically, accurately, continuously collecting and sending tide level information in real time, being capable of providing powerful support for scientific research, oceanographic engineering construction, military science, fairway navigation management and the like and having important significance in tidal information collection and storm surge research under the extreme condition.

The invention discloses a movable ocean tide fall pumping device. The movable ocean tide fall pumping device comprises a large buoyancy tank, flexible ropes and an ocean tide fall pump which conveys seawater to the position above the sea level by the utilization of tide fall, wherein the upper ends of the flexible ropes are connected with the large buoyancy tank; the lower ends of the flexible ropes are provided with seabed connection pieces or weights sunk in the seabed; the ocean tide fall pump is placed on the large buoyancy tank and comprises a fixed water tank, a floating body assembly capable of shifting up and down and a water pipe; the floating body assembly is provided with a hollow buoy, the cavity of the buoy is filled with seawater increasing the weight of the buoy when ebb tide occurs, and the lower portion of the floating body assembly and the upper portion of the fixed water tank are sealed when the ebb tide occurs. By the adoption of the structure, the movable ocean tide fall pumping device can convey the seawater to the position higher than the sea level without external force, can be adaptable to ocean geographical environment, and improves the utilization rate of tidal energy.

The invention discloses an ocean tide fall water pumping accumulation energy generating system capable of being installed in a moving way. The ocean tide fall water pumping accumulation energy generating system comprises a maritime reservoir, a hydroelectric generator, a plurality of bearing posts higher than the sea level and a plurality of movable ocean tide water pumping units for irrigating water for the maritime reservoir, wherein the maritime reservoir is positioned at the top ends of the bearing posts, a large-scale floating tank and a flexible cable are arranged under the bearing posts, each movable ocean tide water pumping unit comprises a floating block, a floating block connecting flexible cable and an ocean tide fall water pumper, and the ocean tide fall water pumpers are positioned above the floating blocks. The ocean tide fall water pumping accumulation energy generating system capable of being installed in the moving way adopts the structure that the maritime reservoir is higher the sea level, and the movable ocean tide water pumping units are used for irrigating water for the maritime reservoir, and has the advantages that the higher the position of the maritime reservoir is, the greater the potential energy of the maritime reservoir is, the movable ocean tide water pumping units are used for irrigating seawater into the reservoir higher than the sea level through tide falls, and the electricity can be continuously and stably generated.

The invention discloses an improved device for current power generation and relates to the field of power generation devices. The improved device comprises an upper housing and a lower housing which are welded together, wherein the upper housing and the lower housing are provided with protective covers, a group of through holes are formed in two ends of each protective cover, a first sealing plate and a second sealing plate are arranged in the upper housing and the lower housing, a blade cavity is formed between the upper housing and the first sealing plate and between the lower housing and the second sealing plate, a working cavity is formed between the first sealing plate and the second sealing plate, first blades and second blades are arranged in the blade cavities respectively, rotary shafts are connected to the middles of the first blades and the middles of the second blades and penetrate through the first sealing plate and the second sealing plate respectively, and driving bevel gears are connected to the rotary shafts in the working cavity. The improved device conveniently utilizes ocean tide to generate power.

The invention discloses buoy and cylinder combination structure capable of covering a whole tidal range and compressing air by utilizing wave energy, is designed for obtaining compressed air by utilizing the wave energy by using a buoy-cylinder combination in the whole ocean tidal range, and belongs to the field of ocean energy development and utilization. The buoy and cylinder combination structure capable of covering the whole tidal range and compressing the air by utilizing the wave energy comprises seven parts, namely, a telescopic cylinder, a locking cylinder, a working cylinder, a connecting pipe, a hinge, a buoy and a frame, which are connected in sequence, wherein the telescopic cylinder serves as the connection and fixation of the working cylinder, and achieves an effect of expanding and contracting along with the height change of ocean tide in the whole tidal range; the working cylinder realizes the functions of aspirating and compressing under the action of seawater buoyancyforce when the buoy rises and falls along with the wave, and exhausts the compressed air; the locking cylinder locks the telescopic cylinder in a rising process of the wave so that the height of thewave completely acts on the working cylinder; and the buoy is limited in the frame and can only perform vertical movement up and down along with the wave without being stuck.

The invention relates to a wheel-direction flow force movable plate pulling opening-closing flow plate vehicle and a generation system. The wheel-direction flow force movable plate pulling opening-closing flow plate vehicle comprises rotary wheels, a central shaft, movable plates, pulling parts, a chain, a machine frame and a generator set, wherein the power ends of the multiple movable plates are connected with the multiple pulling parts, and movable plate pivots and the other ends of the pulling parts are movably hinged to the chain; the chain is in chain connection with the rotary wheels at the two ends of the machine frame to link the movable plates circularly to form the flow plate vehicle. Under the action of flow force, the movable plates on one side of the flow plate vehicle are subjected to the pulling force of the pulling parts, thereby being in an opening and flow stopping state, and the movable plates on the other side reversely push the pulling parts in the fair current direction of fluid, thereby being in the fair current direction of the fluid. In this way, the stress of the two sides of the rotary wheels is unbalanced, and the generator set is driven in a rotation mode. A submersible slow flow generation scheme and large equipment are provided for sea tide, riverbeds, water pipe air ducts, universal current hydraulic power and universal wind power, and the wheel-direction flow force movable plate pulling opening-closing flow plate vehicle and the generation system have the characteristics of being high in power, high in anti-damage performance and low in maintenance cost.