2443results about "Generators/motors" patented technology

The invention provides an efficient and stable ship hybrid power generation system which comprises a hydrogen production unit and an ammonia supply system, and the hydrogen production unit comprises an ammonia decomposer, a hydrogen separator, a high-pressure hydrogen storage tank, a fuel cell and an ammonia-hydrogen internal combustion engine. The ammonia decomposer enables the ammonia flow to enter the ammonia decomposer in a segmented constant mode for catalytic decomposition through four set working conditions; the hydrogen separator is used for separating and purifying the generated mixed gas, and the separated and purified hydrogen is respectively fed into the fuel cell and the ammonia-hydrogen internal combustion engine through valves for power generation; the molten salt system recycles high-temperature tail gas of the ammonia-hydrogen internal combustion engine through the heat exchanger for heat energy storage and power generation through the steam Rankine cycle system. The regulation and control method is used for stabilizing the system and prolonging the service life of equipment by limiting the dynamic loading rate and start-stop times of the fuel cell and the ammonia-hydrogen internal combustion engine, and is used for waste heat recovery power generation through the molten salt and the steam expansion machine, so that the efficiency of the system is improved.

The present invention relates to the field of fuel cells and cogeneration, and in particular to a fuel cell waste heat utilization system and a control method thereof. The present application aims to solve the problems of low waste heat utilization efficiency and precise control of user-end heat temperature in existing fuel cell cogeneration systems. The fuel cell cogeneration system of the present application includes: a fuel cell stack, a stack heat balance device, a waste heat utilization device, an energy storage device, and a control device. By regulating the flow of the water pump in the waste heat control device and the angle of the electric control valve, the flow of heat exchange to the water tank and the heater is adjusted, thereby achieving precise control of the user-end temperature. By dynamically switching between multiple modes such as electricity demand priority, heating priority, and hot water storage priority, the efficient operation of the fuel cell system and the maximum utilization of waste heat are ensured.

The invention relates to the related technical field of fabricated building outer walls, and discloses a severe cold area fabricated building outer wall based on a thermoelectric power generation technology, which comprises a fabricated wall body module, a thermoelectric power generation module, a heat collection structure module, a circuit connection module, an energy management module and a data monitoring module, the fabricated wall body module is a solid prefabricated concrete shear wall composed of an inner leaf wall plate, a heat preservation layer and an outer leaf wall plate, the heat collection structure module is fixedly installed on the outer wall of the fabricated wall body module, and the heat collection structure module comprises a heat absorption plate, a glass cover plate and a shell; according to the core component, the nickel-chromium alloy and the constantan alloy which are high in stability are directly welded for power generation, other technologies do not need to be combined, the core component can be directly applied to the building field, and under the condition that the power generation efficiency is guaranteed, the construction requirement of the building field is met as much as possible; and a brand new thought is developed for the energy-saving design of the fabricated building wall.

The invention discloses an energy storage-heat pump linkage heat, power and cold collaborative peak regulation system and an operation method. The system comprises a combined heat and power generation unit, an evaporator, a condenser, a compressor, wind power and photovoltaic power generation equipment, an electric power controller, a cross-seasonal energy storage chamber and the like. Surplus electric quantity of a power grid is consumed through a heat pump and converted into heat energy and cold energy in a power off-peak period, and part of condensed water of a steam turbine is heated through heat storage in a power peak period to improve the power output of a unit; the unit heats heating return water through heat storage release and steam turbine steam extraction in a cascade mode in winter, electric heating peak regulation is achieved, external cooling and electric cooling peak regulation are achieved through electric cooling conversion and cold energy release in summer, and cross-seasonal energy storage and peak regulation are achieved through electric heating and cold conversion in spring and autumn. Power storage is replaced by cold storage and heat storage, peak regulation is promoted through heat supply and cold supply, and the new energy power consumption level can be greatly improved.

A green energy generating system (e.g., thermal, solar, wind, kinetic) is integrated with a thermo molecular separation (i.e., greenhouse gas capturing) system. The output of each system is utilized by the other to form a unitary system that produces green energy (i.e., electricity) while separating / capturing predetermined molecules (e.g., greenhouse gases) from the environment. The process includes providing kinetic energy fluid from an energy source; driving a turbine via the kinetic energy fluid; driving a generator via the turbine to generate electricity; supplying (i) the kinetic energy fluid exiting the turbine and / or (ii) electricity generated by the generator to a molecular separation unit; intaking the predetermined molecules into the separation unit and selectively separating at least one predetermined molecule from other molecules; and capturing the predetermined molecule via a desorption process using heat from thermal energy of (i) the kinetic energy fluid and / or (ii) an electrical heater powered by the electricity.

The invention discloses a geothermal hot spring pool thermovolt power generation and water temperature regulation and control combined system which comprises a hot spring pool and a thermovolt power generation device. A thermal insulation wall is arranged in the hot spring pool, the hot spring pool is divided into a hot spring power generation battery and a hot spring recuperating pool through the thermal insulation wall, and the thermovolt power generation device is arranged in the hot spring power generation battery; a geothermal water inlet is formed in the hot spring generating battery, and high-temperature geothermal water enters the hot spring generating battery through the geothermal water inlet; a temperature control valve system is arranged in the hot spring recuperation pool and used for controlling the temperature of hot water entering the hot spring recuperation pool. The pulsating heat pipe and the thermovolt power generation technology are creatively integrated, natural hot spring heat energy is fully utilized, temperature difference energy between hot spring water and cold water is utilized to the maximum extent before the temperature is reduced to the comfortable temperature of a human body, and the pulsating heat pipe is utilized to effectively increase the heat exchange area and heat extraction capacity; meanwhile, the thermovolt power generation chip is adopted to directly convert hot spring heat energy into electric energy, and the dual functions of hot spring water temperature adjustment and geothermal power generation utilization are achieved.

The invention discloses an efficient light guide mounting bracket matched with a solar photovoltaic panel, which comprises an equipment base, a photovoltaic panel, a Fresnel lens, a magnetic field generator and a temperature difference generator, and is characterized in that the equipment base is fixedly connected with a rotating mechanism, and the rotating mechanism is movably connected with an inclination mechanism for adjusting the angle of the photovoltaic panel; a supporting mechanism is movably connected to the upper portion of the rotating mechanism and comprises a fixing support movably connected to the rotating mechanism. Through the wind-resistant mechanism, self-adaption to different wind power environments is achieved, the magnetic field intensity of the magnetic field generator is regulated and controlled, the magnetorheological fluid increases resistance to limit shaking under strong wind and reduces resistance to guarantee flexible rotation in breeze, meanwhile, a Faraday cage formed by the magnetorheological fluid shields electromagnetic interference, a photovoltaic panel is protected against wind power damage, stability of an electrical system is guaranteed, and the service life of the photovoltaic panel is prolonged. And the equipment fault risk is reduced, the service life is prolonged, and the solar photovoltaic power generation system is ensured to continuously and stably operate in a complex outdoor environment.

The invention relates to the technical field of building energy conservation, in particular to an edge computing cooperative communication method for multiple heat pumps and a photovoltaic system, which comprises an edge server, a cloud server, multiple heat pumps, a variable frequency pump and an indoor and outdoor heat supply device, and is characterized in that the edge server realizes time synchronization of equipment through an OPC UA over TCSN protocol, a multi-level energy topology network is established, and the multi-level energy topology network is connected with the cloud server; in combination with physical energy flow and information flow, based on a building heat balance equation, an edge server controls a heat pump to work at an energy-saving operation point according to indoor and outdoor temperatures and user requirements, and the flow of a variable frequency pump is adjusted. In addition, multi-mode state sensing is achieved through the distributed sensor network, a layered self-adaptive control strategy is executed, photo-thermal collaborative optimization and heat pump group collaborative control are achieved, the system collaborative control precision is remarkably improved through the method, the time synchronization error is reduced by three orders of magnitude, and the system response speed reaches the millisecond level and is 10 times faster than that of a traditional system.

The invention relates to the technical field of solar energy application, in particular to a PVT photovoltaic water-based heat cycle system which comprises a photovoltaic assembly used for converting solar energy into electric energy, a photo-thermal assembly used for utilizing heat energy generated by the photovoltaic assembly and a heat cycle assembly used for circularly supplying heat to a room. The photo-thermal assembly is fixedly connected to the back face of the photovoltaic assembly, the thermal circulation assembly is connected with the photo-thermal assembly, heat-conducting media are arranged in the thermal circulation assembly and the photo-thermal assembly, the photovoltaic assembly and the photo-thermal assembly are integrally connected, the photovoltaic assembly and the photo-thermal assembly are placed outdoors, the thermal circulation assembly is placed indoors, the photovoltaic assembly converts solar energy into electric energy, and the electric energy is stored in the photovoltaic assembly. The photovoltaic assembly generates a large amount of heat, the photo-thermal assembly absorbs the heat on the back face of the photovoltaic assembly, the photo-thermal assembly conducts the heat to the thermal circulation assembly, the thermal circulation assembly heats low-temperature air and blows out the low-temperature air, the indoor temperature can be rapidly increased, and the photovoltaic assembly can be cooled while the heat-conducting medium circulates.

The invention discloses a notebook computer waste heat recycling system and method based on a thermoelectric conversion effect, and relates to the technical field of thermoelectric materials and devices, and the system comprises a distributed thermoelectric array module which is composed of a plurality of miniature TEG units, is distributed in a high heating area of a notebook computer, and directly generates power through temperature difference; the self-adaptive heat management module comprises a heat-conducting silica gel layer and micro heat dissipation fins and is used for optimizing the temperature difference between the hot end and the cold end; the multi-stage electric energy management module comprises a rectifying circuit, a DC-DC boosting chip and a recycling energy storage battery device, converts the unstable low-voltage direct current output by the TEG into stable electric energy, stores the stable electric energy and supplies the stable electric energy to target equipment; and the intelligent control module dynamically adjusts the working area of the micro thermoelectric power generation unit according to the data of the temperature sensor, preferentially selects the position with the maximum temperature difference to generate power, and matches the power supply demand through a PMIC chip. Efficient conversion and utilization of waste heat are realized through innovative design, the problem of low thermoelectric conversion efficiency in miniaturized equipment is solved, and energy conservation and environmental protection are realized.

The invention relates to the technical field of solar energy resource utilization, in particular to a photovoltaic waste heat utilization power generation device based on evaporative cooling, which comprises a photovoltaic panel, and a first ceramic plate, a plurality of first conductive strips, a P-type semiconductor, an N-type semiconductor, a second conductive strip, a second ceramic plate and an evaporative cooling layer are sequentially connected to the back plate side of the photovoltaic panel; the photovoltaic panel is connected with a storage battery for energy storage; the second conductive strip is connected with a storage battery for energy storage; and the evaporative cooling layer is connected with a water supply and storage circulating system. The device can capture and convert waste heat lost by the back face of the photovoltaic panel and convert the waste heat into electric energy, the evaporative cooling layer is combined, the large temperature difference between the hot side and the cold side of the thermoelectric power generation device is kept, meanwhile, the working temperature of the photovoltaic panel and the thermoelectric conversion assembly is effectively reduced, and the service life of the whole device is prolonged. The problems that an existing solar power generation panel waste heat utilization power generation device is low in waste heat utilization rate, poor in stability and short in service life are solved.

The invention relates to the field of photovoltaic power generation, and particularly discloses a climate self-adaptive photovoltaic cooling method and system based on interface evaporation, and the system comprises a hydrophilic and hydrophobic composite radiation refrigeration film which is used for capturing atmospheric moisture through a radiation refrigeration effect under a low-radiation condition to form a cooling water source; the bionic water conveying structure comprises a modified silicone tube and a juncus roemerianus bundle and is used for conveying the captured water to the high-level water tank through capillary action; according to the invention, by fusing interface evaporation and radiation refrigeration technologies, the system realizes efficient cooling and energy recovery of the photovoltaic module; under the condition of strong irradiation, the gradient wettability interface evaporation layer takes away waste heat of the module through directional water film flow, so that the temperature of the photovoltaic module is reduced, the photoelectric conversion efficiency is improved, and meanwhile, the daily generating capacity is increased; the cooling effect is obviously better than that of a traditional natural convection or phase change material cooling mode, and efficient heat transfer is achieved through phase change latent heat utilization of interface evaporation.

The invention relates to the technical field of ocean engineering and hydrological observation equipment, and discloses a self-powered hydrological detection device self-adaptive to seabed erosion and deposition changes, comprising a self-powered system comprising a vertical shaft eccentric helical blade, a rotor cross bar and a rotor vertical shaft, the bottom of the rotor vertical shaft is connected with a power generation module, and the bottom of the rotor vertical shaft is connected with a power supply module; the two rotor cross rods are sequentially arranged on the outer wall of the rotor vertical shaft from top to bottom, the outer walls of the three vertical shaft eccentric spiral blades are installed on the rotor cross rod triangles respectively, and the power generation module is electrically connected with an energy management unit. Through linkage control of the terrain adaptability system and the LSTM prediction model, on one hand, dynamic adjustment of the anchoring depth of the support can be achieved, and instrument displacement or burying is avoided; on the other hand, overall lifting and oblique movement of the device can be achieved, and equipment recovery and detection position conversion are facilitated; and meanwhile, an ocean current-temperature difference complementary power generation and intelligent energy storage system is adopted, so that five-year maintenance-free continuous power supply is realized.

The invention relates to the technical field of clean energy power generation, in particular to power generation equipment based on wind, light and heat multi-energy coupling. The power generation equipment comprises a vertical axis wind power generation and heat dissipation device, a photovoltaic and temperature difference power generation composite device, a double-axis tracking device and a tower type supporting frame. The vertical axis wind power generation and heat dissipation device captures wind energy through the impeller assembly so as to drive the driving assembly and drive the heat dissipation assembly to rotate at a high speed, and active heat dissipation is provided for the photovoltaic and thermoelectric power generation composite device. The photovoltaic and thermoelectric power generation composite device comprises a monocrystalline silicon photovoltaic cell, a first annular plate, a second annular plate and a plurality of aluminum extrusion type cooling fins, light energy can be effectively utilized, and waste heat collection and thermoelectric power generation are achieved. According to the power generation equipment, structural support is provided by the tower type supporting frame, and the comprehensive utilization efficiency of energy in unit space is remarkably improved through coupling utilization of wind energy, light energy and heat energy.

The invention belongs to the field of exhaust emission, and discloses a device and method for adjusting the active temperature of an SCR catalyst through a thermoelectric power generation system.The device comprises an engine cooling system, the engine cooling system is connected with a cold end radiator of the thermoelectric power generation system, and a thermoelectric power generation plate is connected with a storage battery through a power supply module; the second temperature sensor is arranged at an outlet of the electric heating device, the first temperature sensor and the second temperature sensor are connected with the engine control unit, the engine control unit is connected with the power supply module, the electric heating device is connected with the storage battery through the power supply module, and the engine control unit is used for controlling charging and discharging of the storage battery. When the SCR device is in the efficient temperature interval, the engine control unit controls the power supply module to charge the storage battery through the thermoelectric power generation system; and when the SCR device is out of the efficient temperature interval, the storage battery is used for discharging the electric heating device or controlling the engine cooling system to use a cold end radiator of the thermoelectric power generation system to forcibly dissipate heat so as to adjust the temperature of the SCR device.

The invention discloses a photovoltaic photo-thermal energy storage multi-element coupled all-weather self-adaptive building energy system and method, and belongs to the crossing field of solar comprehensive utilization and building energy saving. The system integrates a Fresnel lens, a frequency division film, a photovoltaic power generation unit, a thermoelectric power generation unit and a multi-temperature-zone phase change energy storage device, and the surface of the photovoltaic and thermoelectric unit is covered with an aerogel heat collection and insulation layer. Sunlight is focused by a Fresnel lens and then is separated into short-wave light and long-wave light by a frequency division film, and power generation waste heat is stored in a cascade mode through a phase change energy storage device; the intelligent control unit switches a heat supply season mode or a cold supply season mode according to seasons and energy consumption requirements. The system improves the solar spectrum utilization rate, achieves all-weather self-adaptive supply of electricity and heat of the building, is compact in structure, low-carbon and efficient, and is suitable for various building energy scenes.

The invention provides a new energy automobile energy closed-loop system, method and product based on waste heat cascade recovery. The system comprises a waste heat cascade recovery subsystem for collecting multi-source waste heat of the new energy automobile and converting the multi-source waste heat into electric energy; the dynamic energy management subsystem is used for storing electric energy and determining a power-on path of the new energy automobile according to the state of the new energy automobile, and the state of the new energy automobile comprises the speed change rate of the new energy automobile, the charge state of the super capacitor bank and the charge state of the lithium battery pack; and the self-powered closed-loop control subsystem is used for monitoring the temperature of the battery module in the power-on process of the new energy automobile and calling electric energy to drive a heater when the temperature of the battery module is lower than a preset temperature threshold value so as to realize closed-loop temperature control. Therefore, the waste heat utilization rate of the new energy vehicle can be improved and the closed-loop management of the energy of the whole vehicle can be optimized by performing stepped recovery on the waste heat of the new energy vehicle and supplying power to the vehicle based on thermoelectric conversion.

The invention discloses a waste heat recovery system which comprises a heat exchange module, a control module, a thermoelectric conversion module, a pollutant recovery module, a pretreatment module and a carbon dioxide conversion module. The heat exchange unit comprises a heat exchanger and the like, a smoke inlet is connected with a boiler, and the heat exchanger recovers waste heat. The control unit is provided with a sensor group, a microprocessor and a controller, the sensor group comprises various sensors for detecting smoke related information, and the controller is provided with a self-adaptive learning module and a fault prediction subunit. The thermoelectric conversion module is connected with the heat exchange unit, and a heat dissipation structure is arranged in the thermoelectric conversion module. The carbon dioxide conversion module has a reactant supply unit. The heat exchange unit further comprises a heat storage subunit and the like. The device has the advantages that the heat exchange efficiency is improved through the heat exchange pipeline with the self-adaptive pipe diameter, the cost is reduced through the modular design, maintenance is convenient, the operation stability is improved through the controller function, and multi-stage energy utilization and carbon dioxide resource utilization are achieved through the thermoelectric conversion and carbon dioxide conversion module.

The invention discloses a vacuum freeze dryer, particularly relates to the technical field of vacuum freeze drying, and comprises a drying chamber, a refrigerating system, a vacuum system, a heating system, a control system and an energy recovery device. The drying chamber is used for containing materials, the inner wall of the drying chamber is made of efficient heat insulation materials, the refrigerating system comprises a high-precision temperature sensor and an intelligent temperature controller, the refrigerating temperature fluctuation is accurately controlled within + / -1 DEG C, the vacuum degree fluctuation of the vacuum system is kept within + / -5Pa through a vacuum degree sensor and a stabilizing device, and the heating system adopts uniform heating elements. And it is ensured that the heating temperature nonuniformity is smaller than + / -1 DEG C, a control system achieves automatic drying, and an energy recovery device recovers waste cold and waste heat for other links. The problems that an existing vacuum freeze dryer is low in temperature control precision, unstable in vacuum degree, low in automation degree, low in energy utilization rate and the like are solved, the material quality can be effectively kept, the drying efficiency is improved, and energy consumption is reduced.

The invention provides a thermodynamic optimization method and device for a thermoelectric power generation module and a medium. Belongs to the field of thermoelectric power generation, and comprises the following steps: firstly, determining an optimization target to maximize power output or improve energy conversion efficiency, then establishing a thermodynamic model which comprises heat conduction, heat convection and thermoelectric conversion processes, and setting parameters. An improved ant colony algorithm is adopted, a self-adaptive optimization strategy capable of automatically adjusting and optimizing parameters is designed, and the algorithm introduces volatilization factors and adds random disturbance to optimize the search process. And finally, a multi-objective optimization algorithm is introduced to realize effective balance between the electric power and the thermoelectric conversion efficiency. Through the series of steps, the thermodynamic property of the thermoelectric power generation module can be effectively optimized, so that the power output and energy conversion efficiency of the thermoelectric power generation module are improved.

The invention belongs to the technical field of communication component welding, and discloses a communication component welding tool which comprises a welding tool body, a limiting frame is fixedly connected to the top of the welding tool body, and the communication component welding tool further comprises a heat conduction energy storage power generation assembly. The communication component is fixed to the surface of the graphene vapor chamber through the welding tool, so that the graphene vapor chamber conducts high heat generated by welding of the communication component to the alloy phase change module, and the alloy phase change module stores the heat and provides the heat for the thermoelectric power generation module; the cold end radiator communicates with an external liquid nitrogen storage tank to provide a refrigerant for the thermoelectric power generation module, the thermoelectric power generation energy-saving effect is achieved, meanwhile, the graphene vapor chamber can preheat communication parts to be welded through the preheating copper plate, the temperature difference between a PCB and elements can be effectively eliminated through preheating, welding spot cracking or internal stress damage of the communication parts is avoided, and the welding quality of the communication parts is improved. And meanwhile, wet parts can be dried.

The invention discloses a hydrogel-based water-energy-resource co-production solar evaporator and application thereof, and belongs to the technical field of chemistry and environment, the hydrogel-based water-energy-resource co-production solar evaporator is prepared by taking sodium alginate hydrogel as a matrix, adding carbon nanotubes and a titanium-based lithium ion sieve or a metal-doped titanium-based lithium ion sieve into a solution of the sodium alginate hydrogel, taking polyurethane sponge as a carrier frame, and preparing the hydrogel-based water-energy-resource co-production solar evaporator. Ca2 + is adopted as a cross-linking agent to construct a solar evaporator with a flexible size (centimeter-level to meter-level components can be prepared according to application scenes), the solar evaporator is used for the solar driven evaporation process of lithium-containing water resources such as salt lake seawater, and Li + selective enrichment, fresh water collection and waste heat power generation are synchronously achieved. Moreover, the evaporator has the characteristics of simple preparation process, low cost and excellent environmental compatibility, also has a good removal effect on salt ions, and keeps stable fresh water collection performance in a long-time operation process.

The invention relates to an ocean temperature difference energy power generation efficiency prediction method and device, and belongs to the technical field of ocean energy development and prediction. Through the self-learning capability of the PINN, the relation between network input (energy accumulator pressure, motor rotating speed, current flowing through a load resistor and time) and network output (system efficiency) is established, and the prediction of the ocean temperature difference energy power generation efficiency is realized. According to the method, the PINN model is used for embedding physical constraints, so that the physical reasonability can still be ensured under the condition of insufficient data, transfer learning except conditions used in a small training data set and training is remarkably improved, high-precision rapid prediction can be realized, and the reliability is improved.

The invention discloses a cross-seasonal long-time energy storage system and method with sand as a heat storage medium, and belongs to the technical field of long-time energy storage.The sand is used as the energy storage medium, a photovoltaic system is coupled for energy storage, heat conduction oil heat exchange and steam Rankine cycle are used for energy adjustment and power generation, the activity of heat conduction oil can be kept, and the energy storage efficiency is improved. And meanwhile, the solar energy utilization efficiency is improved. The system cost is reduced, the influence on the environment is reduced, and cross-season long-time energy storage and heat supply of energy storage in summer and heat supply in winter can be achieved.

The present invention relates to a new form of air, land, underwater, or space propulsion, achieved by the use of suitable electromagnetic interactions. When using a longitudinal electromagnetic field emitter (1), which emits longitudinal electric or magnetic fields, with asymmetric electric or magnetic field derivatives, through space in the direction of element (2), optionally focused or amplified by element (3), we develop directional forces in elements (1) and (2). This is possible due to a new electromagnetic propulsion mechanism that uses the conservation of total momentum where the sum of mechanical momentum and field momentum must always be conserved resulting in a constant and zero total sum of the two components, where the variation in electric or magnetic field momentum will generate a corresponding change in the mechanical momentum of the assembly, thus generating propulsion forces.

The invention provides a photo-thermal cooperative power generation device and method.The photo-thermal cooperative power generation device comprises a control unit, a temperature detection module, a photovoltaic panel, a phase change heat storage module, a thermoelectric module and a refrigeration module, and the photovoltaic panel, the phase change heat storage module, the thermoelectric module and the refrigeration module are sequentially arranged from top to bottom; the thermoelectric module is heated to generate electricity, the temperature detection module comprises a first temperature detection unit used for detecting the temperature of the photovoltaic panel, and the control unit is electrically connected with the temperature detection module. According to the photo-thermal cooperative power generation device, the heat generated when the photovoltaic panel is irradiated by sunlight can be absorbed through the thermoelectric module, the situation that high temperature influences power generation of the photovoltaic panel is avoided, the thermoelectric module generates power based on the absorbed heat, and therefore the comprehensive power generation efficiency of the photo-thermal cooperative power generation device is improved, and the service life of the photo-thermal cooperative power generation device is prolonged.

The invention discloses a multi-energy cooperative control method and system with a self-adaptive disturbance discrimination function, and relates to the technical field of energy cooperative control, and the method comprises the following steps: constructing a multi-band phase fingerprint sequence based on the instantaneous voltage response of a photovoltaic array, and forming an initial energy transition baseline through extracting microsecond phase deviation tracks in different bands; and based on the initial energy transition baseline, constructing time series dynamic gradient mapping, converting the phase deviation trajectory into continuous power gradient distribution, and identifying a potential acceleration fragment in the power gradient distribution. According to the method, a high-sensitivity energy identification mechanism is constructed, pre-judgment is carried out in advance before photovoltaic output sharply rises, and power of different frequency bands is guided to enter a layered energy storage path based on a high-risk window, so that energy deposition according to needs is realized, local thermal stress concentration is avoided, and structural damage and energy storage attenuation of a heat storage body are effectively prevented; the stability and safety of electric heating are improved, and the service life of heat storage materials is prolonged.

The invention is suitable for the technical field of waste gas recovery, and particularly relates to an industrial waste gas energy recovery method and system.The industrial waste gas energy recovery method comprises the steps that under the condition that it is detected that the waste gas temperature exceeds a preset threshold value in the industrial production process, first equipment information of waste gas source equipment is obtained; inquiring a thermoelectric conversion device connected with the waste gas source equipment based on the first equipment information of the waste gas source equipment, and determining second equipment information of the thermoelectric conversion device; according to the first equipment information and the second equipment information, the operation mode of a thermoelectric conversion device connected with the waste gas source equipment is set, and dynamic adjustment and efficient conversion of waste gas energy are achieved; according to the operation mode of the thermoelectric conversion device connected with the waste gas source equipment, the energy recovery effect of the thermoelectric conversion device is determined, the energy utilization efficiency in industrial production is remarkably improved, and the maintenance cost is reduced.

An energy storage system converts variable renewable electricity (VRE) to continuous heat. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. An array of bricks incorporating internal radiation cavities is directly heated by thermal radiation. The cavities facilitate rapid, uniform heating via reradiation. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. Gas flows through structured pathways within the array, delivering heat which may be used for processes including calcination, hydrogen electrolysis, steam generation, and thermal power generation and cogeneration. Low temperature waste heat from energy production can be recovered and used to improve overall system efficiency.

The invention discloses a sun-tracking type solar energy storage device and method, and relates to the technical field of solar energy storage, and the device comprises the following components: a sensing detection module, a control processing module, an angle adjustment module, a solar energy conversion module, a thermoelectric power generation module and an energy storage module. Environmental information such as geographic latitude, season and illumination intensity is accurately acquired through the sensing detection module, the control processing module is combined with a preset algorithm and a database, a sun tracking strategy is dynamically adjusted in real time, and the angle adjusting module is driven to accurately control the angle and speed of the solar cell panel, so that the solar cell panel is always kept at the optimal receiving angle; the defect that a traditional fixed sun tracking algorithm cannot adapt to complex environment changes is effectively overcome, the solar energy capturing efficiency is remarkably improved, and it is ensured that solar energy resources can be obtained to the maximum extent under different environment conditions.