1619 results about "Energy conversion efficiency" patented technology

The invention discloses a multi-source sensing fusion highway slope geological disaster real-time early warning method, particularly relates to the technical field of safety early warning and monitoring, and is used for solving the problem that an existing fusion system fails to report due to multi-source data false consistency in the early stage of deep hidden catastrophe. By collecting slope multi-source geological parameter time series data, energy conversion efficiency differential entropy mutation is analyzed to generate an abnormal association mark; constructing a co-evolution matrix in a marking state; searching a space-time overlapping region of a main deformation parameter second derivative zero point and an auxiliary parameter frequency domain extreme point in the matrix, and marking a phase change critical state by comparing geological history envelope lines; performing hidden variable decoupling on the critical state matrix, and generating a hidden catastrophe risk index based on the spatial similarity of the main feature vector and the catastrophe mode vector; and when the risk index continuously exceeds the dynamic critical value and the frequency domain characteristic is in an unstable evolution state, an early warning signal is generated, the deep catastrophe critical state is effectively identified, and missing report caused by safety illusion is avoided.

The invention discloses a fuel cell hydrogen circulation cooling integrated system, and relates to the technical field of fuel cells, the fuel cell hydrogen circulation cooling integrated system comprises a hydrogen circulation cooling management center, the hydrogen circulation cooling management center is in communication connection with the following modules: a multi-source state sensing module, which is used for collecting multi-dimensional state data of a hydrogen circulation-cooling system in real time, extracting state characteristics, and sending the state characteristics to a control module; and forming a state feature sequence table. The multi-dimensional state data of the hydrogen circulation-cooling system is collected, the dynamic cooperative control strategy of the reinforcement learning decision module is combined, the precision and stability of temperature control are remarkably improved, the Markov decision process model is used for predicting the instantaneous heat production change caused by load sudden change, and the stability of the system is improved. And through combined adjustment of hydrogen circulation and a cooling system, temperature fluctuation is rapidly restrained, compared with traditional PID control, the temperature overshoot is reduced under the dynamic working condition, it is ensured that the galvanic pile works within the optimal temperature range all the time, the service life of the galvanic pile is prolonged, and the energy conversion efficiency is improved.

The invention discloses a heat supply system capable of storing energy across seasons based on renewable energy sources, relates to the technical field of renewable energy source utilization, and solves the problems of response lag, energy efficiency reduction and poor system stability caused by reaction kinetics nonlinearity and long-term operation uncertainty in an existing heat supply system. The system comprises an environmental data acquisition module, a dynamic load prediction module, a heat storage reaction control module, a nonlinear compensation module, a material performance monitoring module and a long-term operation management module. Real-time response to external environment changes, accurate prediction of heat supply requirements, dynamic adjustment of reaction conditions, continuous monitoring of material performance and optimization adjustment of operation strategies are achieved; through cooperative work of multiple modules, the quick response capacity and energy conversion efficiency of the system on external load changes are remarkably improved, the side reaction risk is effectively restrained, the service life of the system is prolonged, and long-term stable and efficient operation of the energy storage and heat supply system in a complex environment is guaranteed.

The present invention relates to a wave energy power generation buoy with a variable length and angle damping plate and its control method, belonging to the technical field of wave energy power generation buoys. It includes a main floating body, an air turbine and a damping plate. The main floating body is a hollow rear-bent pipe structure. The air turbine is installed at the air outlet at the top of the rear end of the main floating body. The damping plate is installed at the rear end of the main floating body. The damping plate includes an L-shaped fixed plate, a horizontal telescopic plate, a vertical telescopic plate and an inclined movable plate. The L-shaped fixed plate is fixedly connected to the main floating body. The horizontal telescopic plate is horizontally slidably connected to the horizontal side plate of the L-shaped fixed plate. The vertical telescopic plate is vertically slidably connected to the vertical side plate of the L-shaped fixed plate. The upper and lower ends of the inclined movable plate are respectively movably connected to the vertical telescopic plate and the horizontal telescopic plate. The L-shaped fixed plate is provided with a first telescopic driving mechanism for driving the horizontal telescopic plate to move back and forth and a second telescopic driving mechanism for driving the vertical telescopic plate to move up and down. The present invention can improve the wave energy conversion efficiency.

The invention relates to the technical field of neural engineering and brain-computer interfaces, in particular to a closed-loop multi-modal nerve stimulation system and method based on time interference, and the system comprises a multi-modal stimulation module which is used for integrating electrical stimulation, magnetic stimulation and optical genetic stimulation, and generating a time interference field domain; the neural state sensing module is used for collecting real-time electroencephalogram signals, blood oxygen concentration and neural metabolite level data; the neural control center is used for fusing neural state data and stimulation parameters, and dynamically adjusting time interference frequency and stimulation intensity through an adaptive algorithm; the time sequence cooperation engine predicts a neural response time phase based on a deep learning model, and optimizes a stimulation time sequence and a mode switching strategy; and the visual interaction platform is used for rendering the nerve activation thermodynamic diagram and the stimulation parameter adjustment curve in real time. Therefore, the problems of adjustment strategy solidification, low adjustment precision, insufficient energy conversion efficiency and the like in the prior art are solved.

The invention discloses an axial flux motor, an electric drive system and a vehicle. The axial magnetic flux motor adopts a single-stator and double-rotor structure in which a stator is arranged in the middle and rotors are arranged on two sides, and comprises a stator assembly, and a first rotor assembly and a second rotor assembly which are distributed on two sides of the stator assembly, and the first rotor assembly and the second rotor assembly are respectively connected with the stator assembly through a first rotor bearing and a second rotor bearing. The single-stator double-rotor axial flux motor only comprises one stator assembly, so that the energy loss is low, the heat productivity is low, the power density is higher, and the energy conversion efficiency is higher. One end of the rotor shaft is fixedly connected with the output part of the first rotor assembly, and the other end of the rotor shaft is in transmission connection with the output part of the second rotor assembly. The tolerance of the relative positions of the two rotor assemblies is smaller, the magnetic poles of the magnetic steel of the two rotor assemblies can be in one-to-one correspondence, and the difficulty of motor calibration after the motor assembly is assembled is reduced.

The present invention relates to a wave energy power generation buoy with a variable floating drum diameter and a control method thereof, belonging to the technical field of wave energy power generation buoys, and comprising an air turbine, a rigid floating drum, a flexible floating drum and a heaving plate. The rigid floating drum is a cylinder with a fixed annular cavity, an oscillating water column channel is arranged at the center of the rigid floating drum, a ventilation port communicated with the oscillating water column channel is arranged at the top center of the rigid floating drum, the air turbine is fixedly installed at the ventilation port, a plurality of uniformly distributed vertical rods are fixedly connected to the bottom of the rigid floating drum, and the lower ends of the vertical rods are fixedly connected to the heaving plate. The flexible floating drum is a cylinder with a radially variable annular cavity, the flexible floating drum is fixedly sleeved on the outer peripheral side of the rigid floating drum, and an air inflation and extraction device for inflating or extracting air from the flexible floating drum to change its radial dimension is fixedly installed in the fixed annular cavity. The present invention improves the wave energy conversion efficiency.

The present invention relates to a heaving plate wave energy power generation buoy with a variable cross-sectional area of a water column and a method thereof, belonging to the technical field of wave energy power generation buoys. It includes a buoy body, an air turbine is installed in the air outlet hole at the top of the buoy body, a central pipe located directly below the air outlet hole is arranged at the center of the bottom of the buoy body, a water column cavity communicating with the air outlet hole is formed between the outer side wall of the central pipe and the inner side wall of the buoy body, a heaving plate is fixedly connected to the bottom end of the central pipe, a plurality of uniformly distributed horizontal guide rails are fixedly connected between the upper outer side wall of the central pipe and the middle inner side wall of the buoy body, a telescopic partition plate assembly that divides the water column cavity into an outer water column cavity and an inner water column cavity is slidably installed on the plurality of horizontal guide rails, and a synchronous telescopic driving mechanism for driving the telescopic partition plate assembly to move along the horizontal guide rails is fixed at one end of the horizontal guide rail. The present invention can change the cross-sectional area ratio of the outer water column cavity and the inner water column cavity according to sea conditions, and obtain the optimal wave energy conversion efficiency.

The invention relates to the technical field of solid-state battery energy conversion, and discloses a high-safety sodium-ion battery energy conversion method based on a solid-state electrolyte, which comprises the following steps: identifying an interface dynamic mismatch risk time period in a charging and discharging process, and applying micro-amplitude high-frequency acoustic vibration disturbance to a solid-state electrolyte and a sodium negative electrode interface in the time period, sodium ion microscopic distribution is regulated and controlled through the acoustic streaming effect, contact stress is dredged, dendritic crystal early nucleation is inhibited, dynamic reconstruction and optimization of the interface state are achieved, the solid-state sodium-electricity interface is converted into dynamic self-adaption from static mismatch, the ion transmission uniformity is actively maintained through the acoustic streaming effect, and dynamic reconstruction and optimization of the interface state are achieved. And meanwhile, real-time sensing of an interface state and dynamic adjustment of acoustic vibration parameters are realized in combination with an acoustic probing mechanism, so that the interface stability and dendritic crystal inhibition capability are effectively improved, and the energy conversion efficiency and the safety performance of the battery are remarkably enhanced.

In order to improve the energy conversion efficiency and the output performance, the piezoelectric synthesis jet device based on the combined cavity comprises a base body, a cavity, a nozzle and a piezoelectric vibrator, and a pump cavity is formed in a pump body; the piezoelectric vibrator is arranged in the pump cavity and divides the pump cavity into two cavities; a through hole is formed in the position, with the maximum amplitude, of the piezoelectric vibrator; the pump body is provided with a nozzle at the coaxial position of the through hole; the height, close to the nozzle, of the two cavities is larger than that of the other cavity; the hole diameter of the nozzle is larger than that of the through hole. The device has the characteristics and advantages of low power consumption, high energy density, high jet velocity of the nozzle, small size and easiness in integration.

The invention relates to the technical field of energy storage converter control, and discloses a dynamic voltage regulation and control method and system for an energy storage converter, and the system comprises a data collection module and an evaluation management module. According to the system, voltage change data and current change data are acquired through a data acquisition module and classified to form a data set, and an intelligent management module sets a monitoring period, analyzes the change trend of each phase voltage instantaneous value, generates a corresponding fluctuation data set, quickly locates a problem source, monitors the waveform of each phase voltage amplitude in real time, and generates corresponding monitoring data. The energy storage converter can adapt to power grid systems or energy storage devices of different scales, the intelligent management module analyzes deviation loss of electric energy in each conversion process and accurately evaluates the energy conversion efficiency of the energy storage converter in a rectification / inversion mode, the integration evaluation accuracy is high, the intelligent management module judges the power grid electric energy quality and harmonic distortion problems, and the energy conversion efficiency of the energy storage converter in a rectification / inversion mode is improved. And corresponding regulation and control suggestions are output, and the dynamic regulation and control response speed is high.

The invention relates to a semitransparent color-changeable solar cell and a preparation method thereof. The cell comprises the following modules which are stacked in sequence: a substrate; one or more photovoltaic modules, and one or more color changing modules. According to the technical scheme of the invention, the semitransparent solar cell can convert light energy into electric energy, and change of an absorption spectrum, namely photochromism, can be realized at the same time. In the embodiment of taking glass / ITO / PEDOT: PSS / PM6: Y6 / ZnO / BTE-CN / AgNWs: HPMC / ZnO as a device structure, 56.6% of average visible light transmittance can be maintained on the premise of realizing more than 5% of energy conversion efficiency, and the transmittance change exceeds 6% after complete color change. Meanwhile, compared with a standard device without a photochromic layer, the device with the structure can keep better anti-ultraviolet stability in the coloring-fading circulation process.

The invention provides a compound uniform-load and shunt load shedding type planetary gear gearbox with a face gear. The compound uniform-load and shunt load shedding type planetary gear gearbox comprises an input planet carrier integrated assembly, a first-stage compound uniform-load planet row, an inter-stage flexible connection structure, a second-stage planet row and a face gear steering output assembly. The input planet carrier integrated assembly is connected with the first-stage compound uniform-load planet row, the inter-stage flexible connection structure is arranged between the first-stage compound uniform-load planet row and the second-stage planet row, and a first-stage floating sun gear in the first-stage compound uniform-load planet row and the main shaft planet carrier structure are coaxially arranged. The first-stage floating sun gear is installed in a floatable mode through a first-stage sun gear supporting shaft, self-adjustment can be achieved in the radial direction and the axial direction, and the first-stage floating sun gear is meshed with the first planet gear and the second planet gear in a double-side mode. The energy conversion efficiency can be improved, uneven load distribution is improved, and the system integration degree is improved.

The invention relates to the technical field of power grid energy storage, in particular to a voltage fluctuation rapid suppression method based on a composite energy storage system, which realizes targeted response to voltage fluctuation of different frequencies by setting a dual-time scale power distribution strategy, improves the improvement efficiency of the energy storage system, and improves the suppression efficiency of the composite energy storage system. Through a composite control structure of an adaptive PI controller and a feedforward compensation link, the voltage control precision and the harmonic suppression rate are improved, and according to peak-valley electricity price characteristics and load fluctuation rules of different scenes, the power grid line voltage fluctuation type is monitored in real time, and a dynamic parameter library and an online identification algorithm are combined. The system can automatically adapt to factors such as hardware aging and environment change, a long-term control effect is maintained, and the charging and discharging frequency of the lithium iron battery is reduced by setting the high-frequency power buffer effect of the super capacitor, so that the cycle life of the lithium iron battery is prolonged; meanwhile, the overall energy conversion efficiency of the system is improved through cooperative control of the modular multilevel converter topology and the double energy storage elements.

The invention belongs to the technical field of aviation electric propulsion, and relates to a hydrogen fuel cell superconducting hybrid electric propulsion system based on hydrogen and helium heat exchange cooling, which is suitable for megawatt level branch aircrafts and comprises a liquid hydrogen storage tank, a hydrogen and helium heat exchanger, a hydrogen fuel cell, a lithium battery, an inverter, a superconducting motor, a propeller and other core components. The liquid hydrogen storage tank vaporizes liquid hydrogen through the micro-channel plate type hydrogen-helium heat exchanger and stably supplies the vaporized liquid hydrogen to the hydrogen fuel cell to generate electric energy; helium is used for a low-temperature cooling loop and cooling key assemblies such as a superconducting motor, a low-temperature inverter, a superconducting cable and a hydrogen fuel cell, and it is ensured that the key assemblies stably operate at the optimal working temperature. The hydrogen fuel cell and the lithium battery cooperatively provide electric energy for the superconducting electric propulsion system, the integrated energy management controller dynamically adjusts the output power of the fuel cell and the lithium battery by adopting a state machine strategy, and accurate monitoring and optimal distribution of working parameters of all components are achieved. The optimal heat balance and power output are ensured to be realized in different flight stages such as takeoff, cruise and landing; according to the hydrogen fuel cell hybrid electric propulsion system based on hydrogen and helium heat exchange cooling, the power generation efficiency and the operation stability of the hydrogen fuel cell are remarkably improved, the overall energy conversion efficiency is improved, and the high-power and high-efficiency power extraction requirements of megawatt aircrafts are fully met.

The invention relates to an axial modular combined magnetic flux switching type linear rotating motor, which comprises a rotor assembly and a stator assembly, the stator assembly comprises a plurality of groups of stator units arranged circumferentially, and each stator unit comprises a plurality of stator modules, tooth-shaped permanent magnets connected among the stator modules and armature windings wound on the stator modules. The rotor assembly comprises a plurality of rotor modules, a plurality of rows of rotor teeth are arranged on the outer circumference of each rotor module, and the rotor teeth in the adjacent rows are distributed in a staggered mode. According to the invention, the mechanical dynamic performance is optimized while the energy conversion efficiency is maintained, the innovative stator system adopts a distributed module architecture, the fault-tolerant capability of the system is effectively improved through redundancy design, the modular construction not only simplifies the production process, but also is more beneficial to large-scale manufacturing, the mover part adopts a full-magnetic-conductive material topology, and the energy conversion efficiency is improved. The mechanical strength is ensured, meanwhile, light weight of moving parts is achieved, and the stability requirement under the high-speed operation working condition is met.

The invention relates to the technical field of hybrid energy, and particularly provides a self-adaptive power distribution multi-source parallel mobile power supply system which comprises a multi-source input interface, a multi-channel input adjusting module, an energy storage module, an energy storage bidirectional adjusting module, a self-adaptive power distribution module and a power output interface. The method is characterized in that an MPPT algorithm is independently executed for each heterogeneous power supply through a multi-channel input adjusting module, and energy extraction is maximized; based on load detection and a multi-stage feedback mechanism, dynamic self-adaptive power distribution is realized; a multi-channel input end is adjusted into a unified standard bus voltage, and an output end dynamically adjusts the voltage according to a load, so that the energy conversion efficiency is improved while the use convenience is ensured; and the standard lithium battery units spliced without tools and the modular circuit design are adopted, so that the flexible combination and disassembly of the system are realized. According to the invention, the complexity of the hybrid energy system is greatly reduced, the system stability is improved, and efficient and lightweight hybrid energy mobile power supply is realized.

The invention discloses a charge control method and a digital control system based on a dual-active bridge resonant converter, and belongs to the technical field of dual-active bridge resonant converter control. According to the method, a resettable integrating circuit is used for sampling resonance current and converting the resonance current into integrating voltage which is in a linear relation with charge injection quantity, and an integrating capacitor is discharged and reset before each time of injection; superposing the integral voltage and the ramp voltage; comparing the superposed signal with a threshold voltage output by a current loop through a comparator, and when the superposed signal reaches a threshold value, triggering to generate a PWM signal and switching the working mode of the converter; a switching tube is controlled to act according to a PWM signal, a switching time sequence is dynamically adjusted, effective control over transmission power is achieved, and a digital control system for achieving the method is established. According to the method, rapid dynamic response, efficient power transmission and stable operation of the dual-active bridge resonant converter are realized by controlling resonance current integration and a switching time sequence, and the energy conversion efficiency and the system reliability are effectively improved.

The invention discloses an isolation type split-phase inverter circuit and a control method thereof. The isolation type split-phase inverter circuit comprises an isolation DC / DC module circuit and a power frequency rectification module circuit. The isolation DC / DC module circuit comprises an input-side full bridge, a three-end transformer and two output-side circuits, an input-side winding of the three-end transformer is connected with a midpoint of a bridge arm of the input-side full bridge, and the input-side full bridge is connected with a filter capacitor C1 in parallel; two output side windings of the three-end transformer are respectively connected with corresponding output circuits through a resonance network circuit, the two output circuits are connected to a power frequency rectification module circuit through filter capacitors C4 and C5, and the negative electrode of the first output circuit and the positive electrode of the second output circuit are connected to form an interface N; the power frequency rectification module circuit comprises a rectification full-bridge circuit, and an interface L1 and an interface L2 are obtained after rectification. Through cooperative control of direct transmission of integrated topology and voltage signals, a complex parameter matching algorithm is not needed, breakthrough in structure simplification, energy conversion efficiency, control convenience, cost control and safety is achieved, and the method is suitable for various power conversion scenes.

The invention relates to the technical field of resource scheduling, and provides an industrial and commercial energy storage power resource scheduling method and system, and the method comprises the steps: obtaining the operation parameters of a power conversion system and the operation parameters of an energy storage battery; according to the operation parameters, internal assembly stress and energy conversion efficiency deviation are evaluated, and the accelerated attenuation risk is evaluated; internal component stress, energy conversion efficiency deviation and accelerated attenuation risk are converted into virtual aging cost; adjusting the available power upper limit according to the internal component stress, the energy conversion efficiency deviation and the accelerated attenuation risk; subtracting the virtual aging cost from the economic benefit in the preset date to obtain a net benefit, and generating a power scheduling instruction under the constraint of the available power upper limit by taking the net benefit maximization as a target; and after the power scheduling instruction is executed, feeding back the actual execution condition corresponding to the power scheduling instruction, and correcting the calculation parameters. The method has the effect of improving the accuracy and economical efficiency of the industrial and commercial energy storage system.

The invention discloses a photovoltaic-photothermal-thermoelectric coupling system capable of efficiently utilizing sunlight. The system comprises a photovoltaic power generation module, a photo-thermal module and a thermoelectric power generation module, the photovoltaic power generation module is located on the upper layer of the whole system and is composed of a light condensation layer and a photoelectric conversion layer, and the photoelectric conversion layer converts photons in solar energy into electric energy through a photovoltaic cell; the photo-thermal module captures low-energy photons in sunlight through a heat absorption material, converts photon energy which cannot be utilized by a photovoltaic cell into heat energy through infrared radiation, and provides heat energy for the thermoelectric power generation module through heat conduction; and the thermoelectric power generation module is closely connected with the photo-thermal module, absorbs heat generated by the photovoltaic power generation module and the photo-thermal module and converts the heat into electric energy, and the thermoelectric material of the thermoelectric power generation module is a magnesium-based thermoelectric material. The problems of low energy conversion efficiency and high cost in the existing photovoltaic technology can be effectively solved, the utilization rate of solar energy is improved, and the method has remarkable application value in the field of renewable energy utilization.

The invention relates to the technical field of feed efficiency optimization, in particular to a feed efficiency optimization system based on a growth model, and the system comprises a data collection unit which is used for collecting and associating individual identities, individual weight data, time-phased feed intake data, environment data and environment forecast data; the model calibration unit is used for calibrating individual energy conversion efficiency parameters, generating an environment dynamic correction factor by using the environment data and generating a group classification label based on historical individual performance data; and the decision and execution unit operates a double-cycle cooperation mechanism based on pre-judgment and execution. By dynamically calibrating the individual energy conversion efficiency and combining with the environment forecast, real-time calculation and differentiated feeding regulation and control of the individual energy demand can be realized.

The invention discloses a self-adaptive charging and discharging coordination control method and system for an energy storage battery, and relates to the technical field of charging and discharging control of the energy storage battery. The method comprises the following steps: correcting a maximum allowable current based on a real-time collected SOC and a preset battery low charge threshold, a battery high charge threshold, a reference coefficient, a first attenuation coefficient and a second attenuation coefficient to obtain an inner loop current amplitude limit; judging whether the current system reaches current saturation or voltage saturation, and marking a corresponding saturation mark; calculating a saturation difference value and a saturation direction angle based on the current value controlled and output by the inner ring and the current value actually output by the inner ring; according to the saturation mark, the saturation difference value and the inner loop current amplitude limit are used for correcting the preset outer layer reference power, the corrected reference power is obtained, the integration gain in the preset integration link is corrected, and the saturation state is relieved; stability and reliability of charging and discharging control of the energy storage system are guaranteed, power control precision is improved, service life of equipment is prolonged, and energy conversion efficiency is improved.

The invention discloses a Ga2O3 heterojunction beta irradiation battery with a multi-groove radioactive source, relates to the technical field of microelectronics, and solves the problems of low energy utilization rate and low energy conversion efficiency of a Ga2O3 nuclear battery radioactive source in the prior art. The battery comprises a filling type multi-groove radioactive source; the Ga2O3 heterojunction diode unit sequentially comprises a P-type ohmic contact electrode, a P-type NiO ion implantation region, an N-type Ga2O3 low-doped epitaxial layer, an N-type Ga2O3 high-doped substrate and an N-type ohmic contact electrode from top to bottom; a multi-T-type radioactive isotope source layer in the filling type multi-groove radioactive source is arranged above the P-type NiO ion implantation region and forms radiation energy coupling with the Ga2O3 heterojunction diode unit; the groove type structure is filled with the radioactive source, the energy deposition of the radioactive source entering the semiconductor conversion device is greatly increased, and the energy conversion efficiency of the Ga2O3 beta irradiation battery is improved.

The invention discloses a wave power generation device for an island, and relates to the technical field of power generation for the island, the wave power generation device comprises a floating body and a fixed support, the floating body floats along with sea waves, an energy generation mechanism and an energy conversion mechanism are arranged on the inner side of the fixed support, the fixed support does not float along with the sea waves, and the energy generation mechanism is arranged on the top surface of the floating body; the fixed support controls the buoyancy difference value of the floating body based on the moving state of the energy generation mechanism, the energy conversion mechanism is connected with a generator through a transmission mechanism and drives the generator through the transmission mechanism, the generator is connected with a frequency-stabilized voltage-stabilized power supply through a wire, and the frequency-stabilized voltage-stabilized power supply outputs stabilized voltage electric energy. The wave power generation device has the advantages of being high in wave energy conversion efficiency, simple and compact in structure and reliable in operation.

The invention provides a tritium radiation volt isotope battery. The tritium radiation volt isotope battery comprises a shell and a stacking structure, the shell is provided with an accommodating cavity; the stacked structure is arranged in the containing cavity and comprises a positive pole piece, a semiconductor transduction layer and a negative pole piece which are arranged in a stacked mode, the semiconductor transduction layer is arranged to be an array formed by columnar nano particles, liquid tritides are distributed on the surfaces of the columnar nano particles, and the liquid tritides comprise all-tritiated N-ethyl carbazole and / or all-tritiated N-ethyl carbazole and / or all-tritiated N-ethyl carbazole and / or all-tritiated N-ethyl carbazole and / or all-tritiated N-ethyl carbazole and / or all-tritiated N-ethyl carbazole. And part of tritiated N-ethyl carbazole. The radiation volt isotope battery has improved energy conversion efficiency.

The invention relates to a heaving plate wave energy power generation buoy with the variable cross section area of a water column and a method, and belongs to the technical field of wave energy power generation buoys.The heaving plate wave energy power generation buoy comprises a buoy body, an air turbine is installed in an air outlet hole in the top of the buoy body, and a center pipe located under the air outlet hole is arranged in the center of the bottom of the buoy body; a water column cavity communicated with the air outlet hole is formed between the outer side wall of the center pipe and the inner side wall of the buoy body, a heaving plate is fixedly connected to the bottom end of the center pipe, and a plurality of evenly-distributed horizontal guide rails are fixedly connected between the outer side wall of the upper portion of the center pipe and the inner side wall of the middle of the buoy body. A telescopic partition plate assembly dividing the water column cavity into an outer water column cavity and an inner water column cavity is installed on the horizontal guide rails in a sliding mode, and a synchronous telescopic driving mechanism used for driving the telescopic partition plate assembly to move along the horizontal guide rails is fixed to one ends of the horizontal guide rails. The proportion of the cross section area of the outer water column cavity and the cross section area of the inner water column cavity can be changed according to the sea condition, and the optimal wave energy conversion efficiency is obtained.

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 discloses a coupled thermal power cycle system, which relates to the technical field of energy application, and effectively realizes coupling of an organic Rankine cycle module and a Brayton cycle module in fusion reactor heat source application by inputting an expanded first working medium and a deoxygenated second working medium into a heat exchanger module for heat exchange. On one hand, the temperature of the first working medium can be reduced through heat transfer to reduce the cooling cost of the first working medium, and on the other hand, heat in the Brayton cycle module can be utilized to reduce generation of waste heat. In addition, the organic Rankine cycle module has a reheating stage, and the energy conversion efficiency of the coupled thermal power cycle system can be effectively improved. In addition, the parameters of the coupled thermal power circulation system are set based on the enthalpy value, and the system heat efficiency can be further improved.

The invention relates to the technical field of solar cell panel control, and discloses an operation control method and system for a solar cell panel, and the method comprises the steps: obtaining the specification information of the solar cell panel, setting the positioning information, carrying out the digital simulation according to the specification and positioning information, and generating a light receiving performance model and a sunlight environment model; generating a current-day illumination simulation model by combining seasonal and climatic factors by utilizing a historical database, analyzing the illumination simulation model and a light receiving performance model to obtain initial light receiving characteristics and a preset light receiving track, continuously recording illumination conversion electric energy of the cell panel to correct the preset light receiving track, and adjusting an inclination angle of the cell panel to obtain a current-day illumination simulation model. The energy conversion efficiency of the solar cell panel is improved, sunlight resources are fully utilized, different seasons and climate changes are adapted, the performance of the solar cell panel in a changing environment is enhanced, and the problem that in the prior art, the efficiency of collecting illumination data in real time for angle adjustment is low is solved.