38results about How to "Continuous and stable power generation" patented technology

The invention relates to a wave-powered generating device belonging to the field of hydraulic machinery or hydraulic generators, and aims to provide a device for continuously generating electricity by utilizing waves. The wave-powered generating device comprises a shell which is anchored on seabed; floating ball generating systems are arranged in the shell and mounted on a rotating shaft; the system comprises a spring, a ligament, a ratchet wheel mechanism and a transmission wheel, wherein the ratchet wheel mechanism comprises a small flywheel and a ratchet wheel; the small flywheel and the transmission wheel are fixedly mounted on the rotating shaft; the transmission wheel drives a gear in a gearbox to rotate; the ratchet wheel is in a box shape; the small flywheel is arranged in the ratchet wheel; a pawl is arranged on the inner circumferential surface of the ratchet wheel; the outer circumferential surface is wound by the ligament, one end of which is fixed on the ratchet wheel; and the other end is connected with the floating ball which is arranged on the exterior of the shell; the sealing side of the ratchet wheel is connected with the spring which is wound on the rotating shaft; the other end of the spring is fixed; and the shell is internally provided with at least two floating ball generating systems. The invention has simple structure, convenient use, strong wave resistance, low manufacture and construction costs and long-term use without manual maintenance.

A power supply method for an alternating-direct current locomotive upon unpowered conveying is characterized in that a power supply device for an alternating-direct current locomotive is disposed on the locomotive, a locomotive battery is used to provide exciting power for a traction motor through an exciting chopper module of the power supply device, the traction motor enters power generation state to power a locomotive load, and after the traction motor enters the power generation state, the exciting chopper module uses the power generated by the traction motor to continuously provide exciting power for the traction motor. After the traction motor enters the power generation state, the power generated by the traction motor is used to provide exciting power for the traction motor, and itis ensured that in the power generation process, the exciting power is continuously supplied so that the traction motor can generate power continuously and stably; by monitoring, in real time, speed of the traction motor, voltage and current of two ends of a traction motor armature and output current of the exciting chopper module, the magnitude of exciting current output by the exciting chopper module can be adjusted according to monitored values to ensure that power generated by the traction motor has stable voltage.

The invention relates to a continuous salinity gradient power generation device. The device comprises a dilution device, a reverse electrodialyzer, a forward osmosis device, a concentrated salt liquid tank and a light salt liquid tank; the concentrated salt solution tank contains a concentrated salt solution, the light salt solution tank contains a light salt solution, and the concentration of the concentrated salt solution is greater than that of the light salt solution; the reverse electrodialyzer is provided with a cathode and an anode, and a cation exchange membrane, an anion exchange membrane, a thick liquid chamber and a thin liquid chamber are alternately arranged between the cathode and the anode; a potential difference is formed between the cathode and the anode of the reverse electrodialyzer; the concentrated salt solution circulates between a concentrated solution chamber and a concentrated salt solution tank of the reverse electrodialyzer, the light salt solution circulates between a light solution chamber and a light salt solution tank of the reverse electrodialyzer, the dilution device provides a diluent to maintain the light salt solution at a low concentration, the forward osmosis device provides a concentration effect to maintain the concentrated salt solution at a high concentration, and part of the light salt solution is concentrated and then is used for supplementing the strong salt solution. The device disclosed by the invention can realize cyclic continuous power generation by utilizing the salt concentration difference and has the characteristic of high power generation efficiency.

The invention provides a magnetic drive generator and a power generation system, and relates to the technical field of generators. The magnetic drive generator includes a pipeline for fluid flow, at least one rotatable impeller disposed in the pipeline, and a power generating device comprising rotors and a stator. The rotors comprise a first rotor made of a magnetic material and arranged in the circumferential direction of the rotation direction of the impeller; the first rotor rotates synchronously with the impeller so that a coil on the stator cuts magnetic induction lines and generates an induced current in the coil. The magnetic drive generator can generate power safely and efficiently, is green and friendly to environment, and prevents a hidden leakage danger. The power generation system includes the magnetic drive generator, is capable of generating electric power by using the magnetic drive generator, and has a lead wire electrically connected to the coil and a power supply device or a power storage device, and can be used by the power supply device and the power storage device. Thus, the power generation system integrates power generation with power supply, and improves the utilization ratio of liquid-phase and gas-phase fluid.

The invention provides a wave power generating device, belonging to the electromechanical technology area, which solves problems that the prior wave power generating device is provided with shorter service life and worse stability. The wave power generating device comprises a closed float bowl with hollow cavity. In the float bowl a support and a generator with rotating shaft are set. Conductors connected with the generator passes through the float bowl. A swinging block is connected on the float bowl. There are a hydraulic cylinder and motor connected with each other by pipes in the float bowl. There is a linkage mechanism between the hydraulic cylinder and the swinging block. A transmission mechanism is set between the hydraulic motor and the rotary shaft of generator. The invention is provided with long service life and high working stability.

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 a heat-storage voltage-stabilized stirling power generation system, which comprises a heat collecting device (1), a stirling generator set (3) and a circulating pipe, wherein a heat storage device (2) is arranged between the heat collecting device (1) and the stirling generator set (3); a heat transfer medium from the stirling generator set (3) enters the heat collecting device (1) or the heat storage device (2); the heat transfer medium heated through the heat collecting device (1) enters the heat storage device (2) or the stirling generator set (3); and the heat transfer medium in the heat storage device (2) enters the stirling generator set. Solar radiation energy absorbed during the day is stored in a form of heat energy by using the heat storage device, and the flow of the heat energy is adjusted through a controller, so that the heat energy entering a stirling generator is kept at a relatively stable value, and is released for thermal power generation during the night or when the light is insufficient in a cloudy sky, and a power station continuously and stably generates electricity.

The invention provides a system for generating power by ocean water electricity clean new energy through gravity drop, and further provides a floating body and a power generation method using the power generation system to generate electricity. The system comprises a seawater filtering subsystem, a water inlet subsystem, a cavity acceleration subsystem and a hydroelectric power generation subsystem. The seawater filtering subsystem comprises at least one filtering device. The water inlet subsystem comprises a flow control device and a flow rate control device. The cavity acceleration subsystemis of a telescopic cylinder shape. In the transportation state, the cavity acceleration subsystem contracts; and in a power generation state, the cavity acceleration subsystem is unfolded and is vertically arranged in seawater. The hydroelectric power generation subsystem comprises a hydraulic turbine, and the hydraulic turbine is arranged at the bottom of the cavity acceleration subsystem. A seawater power generation system is stable in energy source, long in power generation time, high in energy conversion efficiency, wide in application range and capable of moving, can realize global all-weather general adaptation, and overcomes the defects of other marine new energy technologies.

The invention provides a novel wind-driven generator set. The novel wind-driven generator set comprises a natural-wind-driven power generation system and an exhaust-air-driven power generation system. The natural-wind-driven power generation system comprises a base, a supporting column, cross rods and wind collection impellers, wherein the supporting column is arranged in the middle of the upper surface of the base, the supporting column is provided with the cross rods perpendicular to the supporting column, and the wind collecting impellers are arranged on the cross rods. The exhaust-air-driven power generation system comprises air collecting devices, an air duct, a compressed air bottle and an air supply pump, wherein multiple air collecting systems are connected with an air exhaust system of a plant, the multiple air collecting systems are connected with the air duct through branch pipelines, the downstream side of the air duct is connected with the compressed air bottle, and the compressed air bottle is connected with the air supply pump. The novel wind-driven generator set is simple in structure and convenient to use, conducts electric energy regeneration through exhaust air, saves energy, completes power generation work through cooperation of the natural air wind at the same time, guarantees that power generation is continuous and stable and achieves environmental friendliness.

The invention discloses a microbial fuel cell system for supplying power to an implantable medical device. The system is arranged in a transverse colon of a human body, utilizes intestinal micro-organisms and contents for generating power, and can be taken as an implantable medical device to provide energy. The anode of a cell is made from a material with good flexibility, conductivity, stabilityand biological compatibility, and is stuck to the inner wall of the intestine spirally; and the cathode is arranged in the middle of the intestine with higher oxygen consistency, and the peristalsis of the intestine is used for realizing continuous and stable power generation. The microbial fuel cell can use the intestinal micro-organisms and contents to generate enough power so as to meet the need of the implantable medical device, and can continuously generate power in the human body and have longer service life, thus providing a new technical path for solving the energy problem of the implantable medical device.

The invention provides a prefabricated self-assembly multifunctional offshore energy platform. The prefabricated self-assembly multifunctional offshore energy platform comprises an upper platform portion and a lower offshore fishing ground portion. The upper platform portion comprises a modular integrated platform which is of a multi-layer structure. The modular integrated platform comprises a platform layer, a cavity layer and a bottom layer. A wave energy generator is installed at the bottom end of each cavity. The surface of the upper platform is covered with a high-strength photovoltaic power generation surface layer, and wind driven generators are arranged on two sides of the upper platform. The lower offshore fishing ground portion comprises a high-strength fiber composite material mooring rope for suspending a fishing ground, a cubic net cage and a square circumferential power generation module at the bottom. The module is provided with an ocean current generator and a deep seaportion of a temperature difference energy generator. According to the prefabricated self-assembly multifunctional offshore energy platform, natural energy such as ocean energy, solar energy and windenergy is utilized, clean energy can be continuously generated and can be conveyed to the land to be used through a submarine cable or hydrogen production, convenient and fast construction is achieved, and operation and service life are relatively lasting.

The invention discloses an efficient compact multifunctional disc-type concentrating power generation system, and relates to the technical field of solar photo-thermal power generation. The system comprises a heat absorber, a heat storage system, a heat supply system, a steam generation system and a supercritical carbon dioxide turbine generator set, wherein the heat absorber comprises a condenserand a photo-thermal converter used for receiving light energy of a condenser; the heat storage system is connected with the photo-thermal converter and used for storing the heat energy converted by the photo-thermal converter; the supercritical carbon dioxide turbine generator set is connected with the heat storage system through the steam generation system and used for driving the supercriticalcarbon dioxide turbine generator set to generate electricity; and the heat supply system is connected with the heat storage system through the steam generation system and used for supplying heat. By implementing the technical scheme, a solar photo-thermal power generation system which can achieve stable and sustainable power generation and has the heat supply function can be effectively provided,and the solar photo-thermal power generation system has the advantages of being compact in structure, high in power generation efficiency and high in integration degree.

The invention discloses a gas turbine power generation system and method. The gas turbine power generation system comprises a renewable energy power generation device, a hydrogen production device, a hydrogen energy storage device and a gas turbine. The renewable energy power generation device is used for supplying power to the hydrogen production device so that the hydrogen production device can produce hydrogen and oxygen, the hydrogen energy storage device is connected with the hydrogen production device, and the gas turbine is correspondingly connected with the hydrogen production device and the hydrogen energy storage device; and hydrogen produced by the hydrogen production device can enter the hydrogen energy storage device and the gas turbine, and the gas turbine can use air, the hydrogen prepared by the hydrogen production device and/or the hydrogen in the hydrogen energy storage device for power generation. According to the gas turbine power generation system, the hydrogen energy storage device is arranged, continuous and stable power generation of the gas turbine is guaranteed through clean energy, and the overall power generation efficiency of the gas turbine power generation system is improved.

The invention discloses a solar air-carbon dioxide combined cycle power generation system. The system comprises an air compressor, a high-temperature solar boiler, an air turbine generator set, a high-temperature heat exchanger, a low-temperature heat exchanger, a high-temperature heat storer, a low-temperature heat storer, a carbon dioxide compressor, a carbon dioxide turbine generator set, a regenerator I, a regenerator II and a cooler. The system uses the characteristic of high average heat absorbing temperature of open air circulation and the characteristics of low circulating temperature and low compression power of closed supercritical carbon dioxide circulation; a solar thermal power generation system generates electricity in a combined cycle power mode at day time; meanwhile, afterheat of part of exhaust is used for medium/low-temperature heat storage; and the system performs single closed carbon dioxide cycle power generation by dint of heat release of a heat storage system at night. The system has such characteristics as high power generation efficiency, low water consumption, low operation cost and good environmental protecting performance, meanwhile, effectively solves the CO2 heat exchange pinch point problem, and has the function of continuously and stably generating electricity for a long time.

The invention discloses a floating-charge type heat-accumulation power generation device. The power generation device consists of a constant temperature heat accumulator and a power generation system, wherein the constant temperature heat accumulator consists of a gas tank, heat accumulators, a gas inlet pipe, a gas outlet pipe and an exhaust gas pipe, a plurality of heat accumulators are arranged in the inner chamber of the gas tank; the gas inlet pipe introducing high-temperature exhaust gas is led into the tank from the upper part of the gas tank; the other side of the gas tank corresponding to the gas inlet pipe is provided with the gas outlet pipe and is communicated with the power generation system; and the exhaust gas pipe passes through the bottom part of the gas tank and is extended out. The heat accumulators have honeycomb shapes and are prepared from the raw materials in part by weight: 30 +/- 3 parts of silica (SiO2), 5 +/- 1 parts of loess, and the balance of kaolin, and the accumulators are prepared by the steps of: crushing the components into powder of between 50 and 100 meshes; performing compression molding, wherein the pressure is between 50 and 70 tons/cm<2>; and sintering at the temperature of 1,500 +/- 50 DEG C for 30 to 50 minutes. The constant temperature heat accumulator has high thermal efficiency, the temperature of hot gas entering the power generation system is relatively constant, and the generating capacity and the power delivery capacity of the power generation system are stable.

The invention discloses a pressure difference method atmospheric temperature difference power generation system. The system generates power based on the following physical principles. There are differences in the vertical distribution of the earth's atmosphere temperature, and the distribution is decreasing in a certain range upward from the ground. The specific liquid, that is, the working fluid in this system, has a boiling point close to the surface temperature at standard atmospheric pressure, and when it reaches the boiling point, it is violently vaporized, the gaseous working medium rises to a certain height, condenses and liquefies at a low temperature, and the liquid working medium drops to the original height In the process, by doing work externally, its gravitational potential energy is converted into kinetic energy to drive the generator set to rotate, and the generator set then converts kinetic energy into electrical energy to generate electricity. Compared with the prior art, the present invention has the advantages of utilizing the atmospheric temperature difference, cleverly cooling and heating the working medium in continuous circulation, achieving the purpose of repeatedly acting on the generator set, and realizing continuous and stable power generation, Significant goals for self-power and electrical energy export.

The invention provides a photo-thermal power generation system, and belongs to the technical field of solar power generation. The photo-thermal power generation system comprises a power generation device, a heat storage device, an output device, a steam generation device and a circulation device, and the circulation device can be sequentially connected in series with the power generation device, the heat storage device and the output device to form a closed circulating first circulating path; the circulation device can also be sequentially connected with the heat storage device and the output device in series so as to form a closed circulating second circulating path; the power generation device can convert light energy into heat energy; in the first circulation path, the heat storage device can absorb part of the heat energy generated by the power generation device, and the output device can absorb part of the heat energy generated by the power generation device; in the second circulation path, the output device can absorb the heat energy in the heat storage device; and the output device can also exchange heat with the steam generation device. The photo-thermal power generation system solves the problems that a photovoltaic power generation system in the prior art is influenced by illumination and cannot continuously generate power, and continuous operation of electric equipment is influenced.