82 results about "Energy engineering" patented technology

The invention relates to the technical field of new energy systems, and particularly discloses a new energy engineering cost progress two-dimensional dynamic prediction and risk prevention and control system, which comprises a data processing module, a dynamic prediction module, a risk prevention and control module and a visualization module. Cost and progress linkage prediction is realized based on the coupling relationship between the cost subject tree and the progress node network, the error is reduced by more than 40% compared with the traditional single-dimensional prediction, and the cost hyper-branched and progress lagging risks of the future N cycles can be identified in advance; a multi-level early warning mechanism automatically triggers risk prevention and control suggestions including super-budget attribution analysis, cost compression and progress compression strategies, the response speed is increased, and human decision delay is reduced; supplier full-process management quantifies the performance capability, quality and delivery cycle through a weighted scoring model, an elimination mechanism is automatically triggered based on an accumulated performance problem or a scoring threshold, and the performance risk is reduced.

The invention discloses a multi-vortex system space energy evolution process analysis method, belongs to the field of fluid mechanics and aerodynamics, and aims to solve the problem of energy analysis errors caused by integral radius dependence and single-vortex hypothesis limitation in a traditional method. According to the method, a vortex core is positioned through a Liutex method, a vortex to be analyzed is translated to an original point, a pseudo time sequence is generated in combination with evolution direction slices, and a first modal energy distribution and evolution law is extracted through eigen-orthogonal modal decomposition. According to the method, the integral radius does not need to be manually set, the adaptability is high, the vortex global energy space change process can be comprehensively reflected, the method is particularly suitable for energy evolution analysis in complex vortex system scenes such as bird flight and complex aircraft wake flow, a brand new view angle is provided for vortex energy evolution, and the method has certain engineering practical value. The method can be used for quantitative analysis of complex vortex field scenes such as aircraft design, biological bionics and wind energy engineering, and has important engineering application value.

The invention relates to the technical field of energy engineering, in particular to an energy system optimization method based on mine compressed air energy storage, and the method comprises the following steps: S1, constructing a multi-energy-flow network: constructing the multi-energy-flow network comprising waste mine renewable energy power generation, compressed air energy storage, mining mountain combined heat and power generation and ORC devices in combination with the full life cycle of a mine, a waste-recovery coupling energy topology of electricity-heat-cold-gas cooperative energy supply is formed; s2, multi-energy flow system modeling: establishing a mining mountain side equipment model and an abandoned mine side compressor, turbine power generation, gas storage and heat storage tank model; and S3, optimization scheduling modeling: introducing a CVaR index, constructing an optimization objective function containing energy purchase, operation and maintenance and energy abandoning costs, setting system operation and equipment constraints, and forming a risk-considered CMIES optimization scheduling model. According to the invention, the operation cost of the energy system in the mining area is reduced, renewable energy sources are efficiently consumed, and resources in the whole life cycle of the mine are cooperatively utilized.

The invention discloses a landslide detection deep learning method fusing geometry, context and frequency domain multi-source features, and belongs to the technical field of geological disaster recognition and landslide remote sensing information processing. The problem that a traditional landslide detection method in the prior art is low in recognition precision is solved. The method comprises the following steps: constructing a landslide detection model based on a GCF-Net architecture, and inputting a to-be-detected image into the landslide detection model; capturing feature information of different scales in the to-be-detected image through a ghost pyramid feature fusion module; an output characteristic pattern is input to a decoder through a GCFmodule; and an EdgeECI module in the decoder is used to process the output feature map of the GCFI module, and a final output feature map after fusion is obtained. The landslide detection accuracy is effectively improved, and the method can be applied to geological disaster monitoring and early warning, mountain traffic and infrastructure safety, water conservancy and energy engineering operation monitoring, remote sensing big data processing platforms and other scenes.

The invention discloses an ORC working medium optimization method and framework based on Jacob number and critical temperature, and relates to the technical field of energy engineering, and the method comprises the following steps: A1, inputting heat source parameters, cold source parameters and a candidate working medium database; a2, calculating thermophysical parameters such as critical temperature, critical pressure and specific heat of each working medium and Jacob number under a design working condition; and A3, defining a dynamic working condition spectrum, analyzing the matching characteristics of the working medium critical temperature and the heat source at different heat source temperatures, simulating the evolution law of the system power and efficiency when the evaporation temperature changes, and tracking the Jacob number and time system performance in real time when the evaporation temperature of different working media changes by constructing the dynamic working condition spectrum. Therefore, a universal working medium optimization criterion is constructed from the perspective of thermodynamics, the problems that the ORC working medium optimization criterion is not uniform and the correlation mechanism of the working medium physical property and thermal performance is not clear are solved, and efficient optimization of the ORC working medium is achieved.

The utility model relates to the field of new energy engineering machinery, and discloses an assembly type winding drum body structure which comprises a main shaft, first flanges are fixedly connected to the left side and the right side of the main shaft respectively, winding drum outer walls are connected to the left side and the right side of the main shaft respectively in a sliding mode, and second bolts are connected to the middles of the winding drum outer walls in a sliding mode. The other end of the second bolt is connected to the middle of the first flange in a threaded mode, a shaft pipe is installed between the outer walls of the two winding drums, a supporting assembly is installed on the periphery of the main shaft and comprises a second flange, and the second flange is fixedly connected to the periphery of the main shaft. According to the utility model, the size and the form and position precision of each component part are guaranteed by machining, so that the size and the form and position precision of the assembly are effectively guaranteed, the fitting degree of the outer wall of the winding drum, the supporting disc and the shaft tube in the installation process is more compact, and further the situation that the installation precision is insufficient, the contact of the parts is not uniform, and the abrasion is aggravated is avoided.

The present application relates to offshore wind power single pile foundation scour prevention, wind energy engineering, new energy field, disclose a kind of single pile foundation scour prevention structure and construction method, including single pile foundation, several pieces of assembled scour prevention apron, several ropes and stone block unit;The bottom of the single pile foundation is arranged at the seabed, several guide assemblies are circumferentially annularly distributed around the single pile foundation, several ropes are respectively correspondingly inserted into the guide assembly along the top to the bottom of the single pile foundation, several ropes are respectively connected with several pieces of the assembled scour prevention apron at the bottom of the single pile foundation, several ropes drive several pieces of the assembled scour prevention apron to the seabed near the bottom of single pile foundation in sequence through the guide assembly, the stone block unit is pressed on the assembled scour prevention apron, improve the self gravity of assembled scour prevention apron, improve the scour protection effect of single pile foundation.

The invention relates to the technical field of electric power energy engineering and industrial intelligent control, in particular to a thermal power plant optimization control system based on digital twinning, and the system comprises a data mapping module which collects real-time data, and reconstructs the real-time data into a virtual entropy-enhanced potential energy field reflecting a thermal state through a graph neural network; the potential well evolution calculation module is used for setting an optimal well of energy consumption and emission constraints and calculating a geodesic line gradient path evolved to the optimal well; the reverse damping control module is used for superposing virtual thermal inertia damping along a path and resolving a control instruction; the closed-loop execution module issues an instruction to drive the unit state to approach the global optimal trap; according to the method, prediction that a pure data driving model violates physical common sense is avoided, and accurate inference and early warning of the temperature of areas without sensors such as the center of the hearth are realized.

The invention provides a nuclear energy engineering design performance measuring device and method, and relates to the technical field of nuclear energy engineering management. The nuclear energy engineering design performance measurement device comprises a data acquisition module, an intelligent algorithm processing module, a performance calculation module and a visual decision support module. The data acquisition module is used for acquiring calculation data; the intelligent algorithm processing module is used for respectively obtaining design result complexity, quality risk data, collaborative efficiency data and weight parameters according to the calculation data; the performance calculation module is used for calculating resource efficiency performance, design result completion performance, quality risk performance and collaborative efficiency performance according to the calculation data, the design result complexity, the quality risk data and the collaborative efficiency data; according to the weight parameters, carrying out weighted calculation on the design result completion performance, the resource efficiency performance, the quality risk performance and the collaborative efficiency performance to obtain design comprehensive performance; and the visual decision support module is used for visually displaying the calculation result.

The invention provides a nuclear energy engineering debugging performance measuring device and method, and relates to the technical field of nuclear energy engineering management. The nuclear energy engineering debugging performance measuring device comprises a data acquisition layer, an analysis layer and a display early warning layer, wherein the data acquisition layer is configured to obtain calculation data for calculating nuclear energy engineering debugging performance; the analysis layer comprises a weight optimization module, a performance calculation module and an anomaly diagnosis module, wherein the weight optimization module is configured to obtain a corresponding weight according to the real-time data; the performance calculation module is configured to respectively calculate debugging preparation performance, debugging implementation performance and debugging management performance according to the calculation data, and calculate nuclear energy project debugging performance according to the debugging preparation performance, the debugging implementation performance, the debugging management performance and corresponding weights; the abnormity diagnosis module is configured to analyze the calculation result to judge whether an early warning threshold value is triggered or not; and the display early warning layer is configured to display the calculation result on a user interface, and send an early warning signal in response to the trigger early warning threshold.

The invention provides a nuclear energy engineering construction performance calculation method and system and a readable storage medium, and the method comprises the steps: carrying out the coding of a project amount, and enabling a code to at least comprise a type code used for identifying the type of the project amount; selecting a corresponding entity engineering quantity metering model according to the type code, wherein the metering model comprises a first model for a bulk item class and a second model for an equipment module class; on the basis of the selected metering model, entity engineering quantity data are collected, nuclear engineering exclusive correction factors are introduced for coupling calculation, so that an entity engineering performance value is obtained, and the correction factors comprise a quality compliance factor, a technical difficulty factor and a security constraint factor; comparing the entity engineering performance value with a plan reference to obtain a completion deviation rate; dynamically correcting the management performance initial value by using the completion deviation rate to obtain a construction management performance value; and performing weighted coupling on the entity engineering performance value and the construction management performance value, and outputting a comprehensive performance value P.

The present application relates to the field of new energy engineering vehicles, and discloses an emergency steering pump module, a power-assisted steering system, and a new energy engineering vehicle. The emergency steering pump module comprises a high-speed pump, a high-speed motor, and a power battery, wherein the high-speed motor is drivingly connected to the high-speed pump, and the power battery is electrically connected to the high-speed motor. The emergency steering pump module of the present application can be applied to a power-assisted steering system, and can replace a conventional steering oil pump to supply oil to an assisting oil cylinder when the conventional steering oil pump fails, the emergency steering pump module can operate independently without being driven by an engine, and therefore, the spatial limitation that traditional emergency steering pumps necessarily take off power from mechanical power sources such as a transfer case power take-off port or an engine power take-off port is eliminated; and the emergency steering pump module can be flexibly arranged at a proper position, and therefore, the arrangement of the power-assisted steering system is effectively simplified. In addition, the high-speed pump and the high-speed motor have relatively small sizes, enabling the emergency steering pump module to have a compact overall structure and a small footprint.

The invention provides an energy management method and device of a range extending type vehicle and the range extending type vehicle, and relates to the field of new energy engineering machinery, the method comprises operation executed in each of a plurality of operation cycles of the vehicle, and the operation comprises the steps that the working mode of the vehicle in the current operation cycle is determined; and under the condition that the vehicle is in the steady-state driving mode, the generated power of the range extender in the current operation period is determined according to the current electric quantity of the battery and the reference power, when the vehicle is in a steady-state driving mode, the required power of the vehicle is smaller than or equal to the sum of the maximum discharge power of the battery and the generated power of the range extender in the previous operation period, and the reference power is the average consumed power of the vehicle in the previous time period of the time period of the current operation period; the length of each time slice is determined according to the load change of the vehicle, and each time slice comprises a plurality of operation cycles.

The utility model relates to new energy engineering technical field discloses a kind of photovoltaic support foundation concrete pouring device, comprising: first mould plate, first mould plate is rectangular, the quantity of first mould plate is two groups;Connecting structure, connecting structure includes first connecting part and second connecting part, first connecting part includes two groups of second mould plate set in the outside of first mould plate, two groups of first clamping plate are fixedly installed on the outer wall of one side of first mould plate, a group of first clamping plate slot is set in the outer wall of two sides of second mould plate, first clamping plate is clamped and installed in the inside of first clamping plate slot;Reach the purpose of connecting and fixing to mould plate, strengthen and fix to mould plate, improve the fixing strength between mould plate, reduce the gap of connecting place, improve the stability of device use, facilitate to the moulding concrete to be handled, improve the convenience of device use.

The invention relates to the technical field of energy engineering, in particular to an advanced adiabatic compressed air energy storage parameter configuration method and device and electronic equipment, and the method comprises the steps: building an advanced adiabatic compressed air energy storage structure model; acquiring a target operation strategy of the structure model, analyzing an internal energy conversion relation and an internal thermal coupling relation of the structure model based on the target operation strategy, and establishing a compression and expansion coupling system model of the advanced adiabatic compressed air energy storage based on the internal energy conversion relation and the internal thermal coupling relation; and generating a configuration optimization model of the advanced adiabatic compressed air energy storage according to the compression and expansion coupling system model, and configuring parameters of the advanced adiabatic compressed air energy storage by using the configuration optimization model. Therefore, the problems that in the prior art, the structure is complex, a plurality of parts with nonlinear characteristics are covered, electricity-gas-heat multi-energy coupling is involved, and the design and configuration difficulty is high are solved.

This invention relates to the field of energy engineering technology, specifically disclosing a method and system for predicting the power consumption of a gas turbine unit. The method includes: identifying a window of extremely slowly varying operating conditions through a monitoring system, constructing a scatter plot, identifying closed narrow hysteresis loops to determine nonlinear hysteresis effects, completing wall thermal inertia analysis and quantifying the total wall heat flow rate; correcting combustion temperature drift based on the total wall heat flow rate to obtain the true combustion temperature; constructing an air-fuel ratio correction model in the sensitive range of the slightly open gas regulating valve to achieve dynamic matching of gas flow; eliminating gas consumption distortion components to obtain hysteresis-free true gas consumption values, and finally obtaining hourly and daily gas consumption prediction ranges without dynamic interference through cumulative calculation and system deviation calibration. The system includes: a hysteresis identification module, a temperature correction module, an opening degree adjustment module, a gas consumption analysis module, and a prediction output module. The solution effectively improves the accuracy of gas consumption prediction under extremely slowly varying peak-shaving conditions.

The utility model relates to a cooperative thermal management system for new energy engineering machinery, and belongs to the technical field of new energy hybrid power cooperative thermal management. The system comprises an engine heat dissipation loop, a power battery heat dissipation loop, a motor heat dissipation loop, a first heat exchanger and a second heat exchanger. A single-side interface of the second heat exchanger is communicated to an engine heat dissipation loop, and the other single-side interface of the second heat exchanger is communicated to an air conditioner pipeline of a power battery heat dissipation loop; the first heat exchanger is connected into an engine heat dissipation loop through a single-side connector, and the first heat exchanger is connected into a power battery heat dissipation loop through the other-side connector. The motor heat dissipation loop is connected to the first heat exchanger in parallel. According to the cooperative heat management system for the new energy engineering machinery, improvement is carried out on the basis of an original independent heat dissipation loop, the three independent loops are connected, matched with one another and cooperatively controlled, the heat dissipation and preheating requirements of the whole power system can be met, heat can be reasonably utilized, and the energy utilization rate is improved.

The application provides a new energy engineering vehicle unmanned driving path planning method and system, and belongs to the technical field of unmanned driving. First, the initial state and the current task list of the new energy engineering vehicle are acquired, the emergency degree is valued in the order from high to low according to the emergency degree of each task in the current task list, and then the initial state and the current task list of the new energy engineering vehicle are subjected to reinforcement learning based on an improved reinforcement learning algorithm. Finally, the unmanned driving planning path of the new energy engineering vehicle is acquired based on the reinforcement learning result. The application comprehensively considers multiple path planning dimensions such as the position, real-time power state and task emergency degree of the new energy engineering vehicle, improves the adaptability and scene adaptation ability of the planning strategy, and improves the practicability of the system. The search rate in the reinforcement learning is dynamically adjusted to balance the searchability and learnability of the algorithm, avoid falling into a local optimal solution, improve the convergence speed of the algorithm, and improve the efficiency of path planning.

The invention provides a coal reservoir carbon dioxide injection dynamic response analysis method and system based on numerical simulation and intelligent optimization, and relates to the technical field of underground energy engineering. According to the method, a seepage and stress coupled injection numerical model is constructed, multi-well segmented injection control is introduced, state sequence data such as pressure, permeability, stress safety and sealing efficiency are generated in combination with forward rolling simulation, a reinforcement learning environment is established, a time-varying injection system is subjected to strategy learning, and the time-varying injection system is subjected to real-time monitoring. And training parameters are adaptively determined by using Bayesian optimization. According to the method, time-varying collaborative optimization of the injection system is achieved under the constraint of inter-well interference and bottom hole pressure, the carbon dioxide storage efficiency is improved, and operation safety is guaranteed.

This invention relates to the field of marine renewable energy engineering technology. In order to provide a mooring system with forward-looking capabilities and relatively low energy consumption, this application provides a semi-active restoring mooring device and control method. By monitoring the motion state of the object to be balanced, its displacement in the near future is predicted, and tension is applied to the mooring cable in a specific direction in advance, thereby providing an optimal restoring force with forward-looking capabilities and directional adaptability. Since the mooring cable can be tensioned / released only when needed, and the tensioning actuator uses a hydraulic servo actuator, an electric servo cylinder, or a linear motor actuator, the energy consumption is extremely low, which is more in line with the economic requirements of long-term, unmanned operation of floating wind turbines.

The invention discloses a combined cooling heating and power system based on biomass gasification hydrogen production and PEMFC and a working method, and belongs to the technical field of energy engineering, the combined cooling heating and power system comprises a biomass gasification subsystem used for producing synthesis gas and then treating the synthesis gas to obtain hydrogen-rich gas; the fuel cell subsystem comprises an anode and a cathode, hydrogen-rich gas is input through the anode, air is input through the cathode, and power generation is carried out; the power generation subsystem is used for receiving waste heat generated in the synthesis gas production process of the biomass gasification subsystem for power generation; the refrigeration subsystem is used for receiving waste heat of the hydrogen-rich gas input to the anode for refrigeration; and the heat supply subsystem is used for receiving the waste heat of the hydrogen-rich gas output by the biomass gasification subsystem to prepare hot water, receiving the waste heat of the hydrogen output by the anode to prepare hot water, and receiving the waste heat of the water generated by the fuel cell to prepare hot water. According to the invention, through an energy system integrating biomass gasification, a fuel cell and waste heat gradient utilization, combined cooling heating and power generation and zero carbon emission are realized.

The invention discloses a three-dimensional design method and system for an underground powerhouse of a pumped storage power station, and belongs to the technical field of underground energy engineering design and construction. The method comprises the four stages of GIS quantitative site selection and plant parametric modeling, dynamic three-dimensional geologic structure modeling, three-dimensional geologic attribute body modeling and plant adjustment, and GIM / CAE integrated analysis and scheme optimization. The problems of extensive site selection, fragmentation of geological modeling, disjunction of analysis and design and the like in the prior art are solved. The system comprises a hardware layer and a software layer, the hardware layer provides data acquisition, calculation storage and visual interaction support, and the software layer realizes seamless connection of all links through modular design. According to the method and the system, digitization, integration and intelligentization of the whole process of underground powerhouse design are realized, the safety, the economy and the efficiency of the design are improved, and the method and the system can be applied to underground powerhouse projects under complex geological conditions.

The utility model belongs to the technical field of energy engineering, concretely relates to the proportional measurement of geothermal fluid. A kind of direct condensing geothermal fluid vapor-liquid proportional measurement system, including main output pipe, condensing unit, separation unit, cooling water unit, measurement unit;Condensing unit includes the direct condensing condenser for receiving heat source fluid;Cooling water unit is used to output cooling water to direct condensing condenser;Separation unit includes gas-liquid separator;Gas-liquid separator includes the gas phase output pipe for outputting gas and the liquid phase output pipe for outputting liquid, and the liquid phase output pipe is connected with measurement tank;Heat source fluid and cooling water are directly mixed and heat exchanged in the direct condensing condenser, and the obtained mixed fluid is output to gas-liquid separator.The utility model provides the system and method using direct condensing method, and the original proportion of water, steam and incondensable gas in wellhead geothermal fluid can be accurately measured.

The invention provides a turbulent jet ignition assisted methanol inlet injection engine cold start system and a working method thereof, and belongs to the technical field of power and energy engineering. The device comprises an air cylinder, a methanol oil injector, a pre-combustion structure, a mixed gas channel, a flow control valve, a high-pressure methanol oil way and a methanol online hydrogen production device, wherein the methanol oil injector is arranged in a gas inlet channel; the pre-combustion structure comprises a shell, a spark plug and a gas injection valve, the spark plug and the gas injection valve are arranged in the shell, the gas inlet end of the mixed gas channel communicates with the gas inlet channel, the gas outlet end of the mixed gas channel communicates with the pre-combustion chamber, the gas inlet end of the mixed gas channel is located between the methanol fuel injector and the main combustion chamber, and the flow control valve is arranged on the mixed gas channel. The high-pressure methanol oil way is used for providing methanol for the methanol oil injector and the methanol online hydrogen production device, and the methanol online hydrogen production device is used for providing hydrogen for the gas injection gas valve. The cold start problem of the engine is solved, and high-load stable operation of the engine is ensured.

The invention relates to the technical field of energy engineering construction, and discloses an energy engineering construction quality evaluation management method, device and equipment, and the method comprises the steps: randomly combining the data of a plurality of management objects in historical energy engineering construction data, and obtaining a plurality of construction data combinations; selecting an optimal construction data combination from the multiple construction data combinations, and determining a target weight of each type of target construction data in the optimal construction data combination; determining a target construction quality value according to the real-time target construction data and the target weights of the plurality of target construction processes; judging whether the multiple target construction processes are similar or not; according to the energy engineering construction quality evaluation method and system, the evaluation of the energy engineering construction quality is managed by judging the similarity, the distinguishing reason of the energy engineering construction quality is found in time, and the stability of the energy engineering construction is improved.

The application provides a nuclear energy engineering procurement performance measurement device and method, and relates to the technical field of nuclear energy engineering management. The application realizes real-time data collaboration by connecting the detection system, the enterprise resource planning system, the supply chain management system and the project management platform of the nuclear energy engineering EPC project through the data acquisition module, improves the completeness and timeliness of data acquisition, and calculates the procurement entity performance, the procurement management performance and the procurement subcontract performance according to the key data, the risk coefficient and the quality coefficient of the whole procurement process of the nuclear energy engineering, then calculates the total procurement performance according to the procurement entity performance, the procurement management performance and the procurement subcontract performance, deeply integrates the risk dynamic change and the quality grading result into the performance calculation, realizes the procurement performance evaluation in all dimensions and in three dimensions, solves the procurement control problem of the complex nuclear energy engineering EPC project, improves the accuracy, objectivity and practicality of the nuclear energy engineering procurement performance evaluation, and reduces the procurement cost and risk of the nuclear energy engineering.

The utility model relates to the technical field of gearboxes, and discloses a gearbox for new energy engineering machinery, the gearbox is composed of a positive helical angle helical gear, a negative helical angle helical gear, an intermediate shaft, an output shaft and motors, the motors comprise a first motor and a second motor, the first motor and the second motor are symmetrically distributed on two sides of a box body, and the first motor and the second motor are arranged on the box body. The two input shafts are respectively connected with respective input shafts, each input shaft is respectively provided with a first-stage positive helical angle helical gear and a second-stage positive helical angle helical gear, and the first-stage positive helical angle helical gear and the second-stage positive helical angle helical gear are meshed with each other to form a first-stage reduction gear pair; according to the gearbox for the new energy engineering machinery, due to the unique two-stage speed reduction meshing design of the positive helical angle bevel gear and the negative helical angle bevel gear, axial force is automatically counteracted, and the stability and the reliability of a transmission system are greatly improved.

The invention provides a required construction period dynamic estimation method and system for a nuclear energy engineering EPC project. The method comprises the following steps: S1, acquiring basic data of a nuclear energy engineering EPC project and external factor data influencing a project construction period; s2, on the basis of the basic data, calculating earned value extension indexes special for nuclear engineering; s3, based on the basic data and earned value expansion indexes, calculating an initial required construction period by introducing an earned value expansion formula of a stage performance index, a stage coupling coefficient and a critical path fluctuation index; s4, inputting the earned value expansion index and the external factor data into a trained AI correction model for processing to obtain a dynamic correction coefficient; s5, correcting the initial required construction period by using the dynamic correction coefficient to obtain a final required construction period; and S6, acquiring latest basic data and external factor data of the project by taking a preset period or a key node completion event as a triggering condition, and recalculating a final required construction period.