30results about How to "Continuous and stable power" patented technology

An electrochemical system for storing electrical energy in metallic material comprises a charging assembly having one or more cathode and anode couples for metal deposition and a discharging assembly having one or more cathodes and spaces amid the cathodes for containing metal anode. The charging assembly and discharging assembly are physically separated allowing independent operation of the charging and discharging facilities and independent scaling of power and energy capabilities. It also allows storage of anode metal material in simple containers separated from the charging and discharging assemblies and thus allows for economical energy storage.

The invention provides a movable emergency power supply lighting device which aims to solve the problems that conventional emergency power supply lighting equipment cannot continuously and effectively provide regenerative green electricity, are fixed and cannot be moved. The movable emergency power supply lighting device comprises a solar cell panel, a lighting lamp, an electricity storage conversion box, distribution boxes and a base, wherein the solar cell panel is electrically connected with the electricity storage conversion box which is electrically connected with the distribution boxes, the distribution boxes are electrically connected with the lighting lamp, and the electricity storage conversion box, the distribution boxes, the solar cell panel and the lighting lamp are arranged on the base. Furthermore, the movable emergency power supply lighting device is further provided with a cell panel support, wherein the solar cell panel is arranged on the cell panel support which can be stretched and folded freely. According to the movable emergency power supply lighting device, solar energy is fully utilized for generating electricity, and three functional modules of electricity generation, electricity storage and electricity distribution are combined into a whole which can move freely. The movable emergency power supply lighting device can be carried freely and used in any environment, continuously provide green power, and meet the requirement for the electricity and lighting in the field and special environments.

The invention provides a Markov model-based multi-energy complementary system random stability analysis method. In order to reasonably describe the changing condition of the illumination and the windspeed, existing illumination data, wind speed data and the like are subjected to clustering analysis, and then the center point of each cluster is obtained. The center point of each cluster is adoptedas one Markov state. A transfer rate matrix between all states is obtained through Bayesian reasoning. According to the Kirchhoff voltage and current law, a Markov state space model is built. On theabove basis, a random Lyapunov function is constructed for carrying out the random stability analysis. Moreover, though detecting the current value of a grid connection point, a current controller isdesigned to carry out the in-situ reduction of an adjustable load. According to the fluctuation condition of the new energy power generation, the consumption amount of the load is adjusted. Therefore,the power transmitted to the power grid is guaranteed to be continuous and stable. Finally, the simulation operator test is established and then the effectiveness and the practicability of the methodare verified.

The invention provides a mixed-liquid-flow energy-storage system with a reactive compensation function. The system includes a liquid-flow battery energy-storage system and a supercapacitor group, which are connected through a DC circuit breaker group. The supercapacitor group, a bidirectional DC/AC converter, a boosting transformer, an AC circuit breaker and an AC power grid are connected in order. The liquid-flow battery energy-storage system includes an all-vanadium liquid-flow battery, a sodium-sulfur battery and a zinc-bromine battery. The supercapacitor group is formed by serial or parallel connection of single-body supercapacitors. The single-body supercapacitors are double-electric-layer supercapacitors or electrochemical supercapacitors. Compared with the prior art, the mixed-liquid-flow energy-storage system with the reactive compensation function is capable of improving effectively stability and reliability of power supplying a distributed power generation system.

The invention provides an active electric network supporting load virtual synchronous device control method, which comprises the following steps of bringing a system real-time perturbation total quantity into an expansion state observation device of a prebuilt load virtual synchronous device; performing calculation to obtain a system perturbation estimation value; using the system perturbation estimation value as a compensation item of a virtual torque in the active control to compensate the virtual torque. By using the technical scheme provided by the invention, the expansion state observation device is applied to the design of a control strategy; the observation is performed through the expansion state observation device; the observation value is used as the virtual torque for compensation; the perturbation resistance capability of the system is improved, so that the voltage and the power can be continuously and stably output.

The invention belongs to the induction cooker technical field, and specifically relates to an induction cooker continuous low power control circuit and a control method; the structure scheme can be implemented in a simple mode; the control circuit comprises a full wave rectification and filter; a transduction coil and a resonant capacitor are connected in parallel to form an LC resonance circuit; one end of the LC resonance circuit is connected with the positive end of the full wave rectification and filter, and the other end of the LC resonance circuit is connected with an IGBT collector electrode; an IGBT emitter electrode is connected with the negative end of the full wave rectification and filter, thus forming a current loop; the IGBT conduction time can be properly controlled, thus forming an electromagnetic heating device. In each T-on +T-lc period, a T-ext time period is added after the T-lc, so the period of the electromagnetic wave emitted by the induction cooker is T-on + T-lc + T-ext. T-on can be increased in a large power condition, and can be reduced when low power is needed; when T-on reaches the T-lc, the T-on is fixed, and the T-ext is imported, thus adjusting the T-ext so as to continuously adjusting the power rate. The control circuit and method can adjust the induction cooker power at will for cooking, thus allowing users to obtain the practical effect of using an open fire cook mode when the induction cooker is used.

The invention discloses a five-cylinder electric magnetic engine, which comprises an engine body, support sleeves, connecting rods, an output shaft an a flywheel mechanism, wherein the engine body comprises a machine body and a machine cavity; the machine cavity is arranged in the machine body; the support sleeves are sleeved with the machine cavity in the machine body; permanent magnet groups are arranged between the machine body and the support sleeves; pistons are assembled in the support sleeves; a coil assembly winds one end of each piston and is fixed on each piston; the outer cylindrical surfaces of the support sleeves and the permanent magnet groups are in interference fit; the permanent magnet groups and an air cylinder body are in interference fit; the pistons and the inner cylindrical surfaces of the support sleeves are in interference fit; each piston is connected with one end of each connecting rod; the other end of each connecting rod is connected with the output shaft; the output shaft is located at the center of the machine body; the rotating center of the flywheel mechanism is connected with the output shaft; and off centers of the eccentric structure are distributed in a circumference array around the center. The five-cylinder electric magnetic engine is simple in structure, low in cost, simple and reliable in control principle, high in response speed, high in torque, environment-friendly and energy-saving; and consumption of the traditional fuel energy is reduced.

The invention provides a jack-free socket based on electromagnetic induction and a conversion plug matched with the jack-free socket. A socket cavity of the jack-free socket is internally provided with an electromagnet I, an electromagnetic induction coil I and a socket circuit board; the socket circuit board is composed of a voltage conversion module, a single chip microcomputer, a solid relay and a Hall sensor; an electric supply, the voltage conversion module, the single chip microcomputer, the solid relay, the electromagnetic induction coil I and the electromagnet I are connected in sequence; the solid relay is further connected with the electric supply; the Hall sensor is connected with the single chip microcomputer; a plug cavity is internally provided with a permanent magnet, a plugcircuit board, an electromagnetic induction coil II and an electromagnet II; the permanent magnet is installed on a plug panel; the electromagnetic induction coil II, an electromagnet II and electricequipment are connected with the plug circuit board respectively; the electromagnetic induction coil II and the electromagnet II are connected in series, and the electromagnetic induction coil II isused for supplying power for the electric equipment through the electromagnet II and the plug circuit board. The single chip microcomputer operates/sleeps through the Hall sensor, so that the energy consumption and cost are reduced.

The invention provides a free standing type underwater base station supporting system. The free standing type underwater base station supporting system comprises a buoy, an optical cable module, an underwater base station and a hoisting cable module, wherein the optical cable module comprises a main cable and an optical cable which are bound with each other, floaters are arranged on the main cableand the optical cable at intervals, and one end of the optical cable module is fixed to the buoy; the underwater base station is arranged at the other end of the optical cable module and provides power supply and control signals; and the hoisting cable module is connected with the underwater base station and used for installing and recycling the underwater base station. The free standing type underwater base station supporting system can quickly locate the position of the underwater base station, and can realize overall installation and recovery of the underwater base station.

The invention discloses a multiple-supply flow pushing device capable of increasing the water body dissolved oxygen proportionality. The multiple-supply flow pushing device comprises at least one flow pushing water pump used for pushing the water body to flow, a support device used for supporting the flow pushing water pump and adjusting the position of the flow pushing water pump, a photovoltaic array, a storage battery and a master controller. The master controller comprises a DSP master control chip, a detection circuit, two drive circuits and a power supply switching circuit. The DSP master control chip is used for controlling charge and discharge of the storage battery and the operating state of the flow pushing water pump. The detection circuit carries out voltage and current detection, and is used for detecting the power generation condition of the photovoltaic array. The drive circuits controls the charge and discharge by means of the on-off frequency control of a high frequency switch. The power supply switching circuit achieves control of charge and discharge. By employing the flow pushing water pump, the distribution proportionality of dissolved oxygen in the water body can be effectively improved, relative to the condition before the flow pushing process, the dissolved oxygen concentration is increased by 1-2mg/L, photoelectric conversion of the photovoltaic array is employed, energy is stored in the storage battery, the multiple-supply flow pushing device is energy-saving and environmentally friendly, and continuous and stable power can be ensured.

The invention relates to the electronic technical field, and relates to a large steel structure body processing deformation intelligent monitoring method; the method uses a monitor system to monitor the large steel structure body processing deformation; the monitor system comprises a sensor, the sensor uses a bar-shaped film type strain sensor; the monitor system also comprises a film bearing the strain sensors; at least three strain sensors are attached above the film, and connected end to end to form a triangle structure; a bonding layer is arranged below the film; a release paper is attached below the bonding layer; in usage, the release layer is torn, the film is bonded to the inner side of the large steel structure body, thus fixing the whole monitor system on the inner side of the large steel structure body, and monitoring the deformations; the intelligent monitor system monitoring deformations is applied to the large steel structure body processing, thus accurately handling the large steel structure body deformation amount changes in processing, and greatly reducing the large steel structure body disability rate.

The invention provides an installation method of an underwater base station supporting system. The installation method of the underwater base station supporting system comprises the steps that a firststeel cable and an optical cable are bound and fixed to a buoy, a crane on a single workboat lifts the buoy, and the buoy, the first steel cable and the optical cable are launched; the underwater base station is hoisted through a second steel cable by the combined operation of a winch and an A-shaped frame of the single workboat, the underwater base station is lowered, the buoy is hoisted by a crane, the buoy is lowered, ballast water is injected into part of a ballast tank of the buoy, and the underwater base station is lowered to the seabed; the second steel cable is released by a preset length; a marking cable is connected with the second steel cable through the A-shaped frame, the marking cable is released, and a balancing weight located between the marking cable and the second steelcable is released at the same time; the balance weight falls into the seabed, the marking cable is connected with a floating ball, the marking cable is released, and the floating ball is suspended onthe water surface. The installation method of the underwater base station supporting system is low in daily cost and sufficient in ship resources, and high-precision integrated installation of the whole system is achieved.

The invention provides a biogas-tower type photo-thermal complementary power generation system. The system comprises a tower type light gathering and heat absorbing system, a molten salt energy storage system, a molten salt steam generation system, a steam turbine unit power generation system, a biogas fermentation system, a biogas molten salt heating system, a biogas overheating system and a biogas fermentation temperature increasing system; the tower type light gathering and heat absorbing system is used for heating up low-temperature molten salt flowing therein to high-temperature molten salt; the molten salt energy storage system is used for providing the high-temperature molten salt and the low-temperature molten salt; the molten salt steam generation system uses the high-temperaturemolten salt to generate overheated steam; the overheated steam is condensed into liquid water after passing through the steam turbine unit power generation system; the biogas fermentation system is used for providing biogas; the biogas molten salt heating system is used for burning the biogas to heat the low-temperature molten salt; and the biogas overheating system is used for heating the biogasto heat the overheated steam. According to the biogas-tower type photo-thermal complementary power generation system, the problem that a tower-type photo-thermal power station cannot generate electricity under continuous rainy weather conditions as well as the problem of low biogas fermentation yield under the low-temperature condition can both be solved.

The invention discloses a household intelligent lock power supply method. The method comprises the following steps: S1, obtaining illumination information; S2, judging whether a solar chip needs to becharged or not, entering a step S3 if the solar chip needs to be charged and entering a step S4 if the solar chip does not need to be charged; S3, starting charging of the solar chip; and S4, maintaining the existing power supply state of the household intelligent lock. The invention also discloses an intelligent lock power supply device and an intelligent lock. Through implementation of the intelligent lock power supply method, the intelligent lock power supply device and the intelligent lock, the solar energy is converted into electric energy so as to supply power to the household intelligent lock; the power supply is continuous and stable; the intelligent lock is energy-saving and environmentally friendly; meanwhile, the safety of the intelligent lock is also greatly improved.

The invention discloses a gasoline engine impeller, and belongs to the technical field of impellers. The gasoline engine impeller comprises an impeller mounting seat and a plurality of blades distributed on the edge of an end face of the impeller mounting seat with the impeller mounting seat as the center. A flowing channel is formed between every two adjacent blades. An air pressing ring is fixedly arranged on the end face of the end, away from the impeller mounting seat, of each blade. An air inlet is formed in the center of each air pressing ring. The air pressing rings and the impeller mounting seat are arranged in parallel in a spaced manner. Each air pressing ring is conical, and the inner side of each air pressing ring is connected with the corresponding blade. The outer ring of each air pressing ring extends outwards and is higher than the outer side of the corresponding blade. The central angle of the section of each air pressing ring ranges from 130 degrees to 150 degrees. According to the device, the structure is optimized, air suction and outflow resistance is reduced, therefore, the total air volume of a gasoline engine at the same rotating speed is higher than the total air volume of a common impeller, the engine oil cooling effect is obviously improved, power is higher, and power is continuous and stable.