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47 results about "Climatology" patented technology
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Climatology (from Greek κλίμα, klima, "place, zone"; and -λογία, -logia) or climate science is the scientific study of climate, scientifically defined as weather conditions averaged over a period of time. This modern field of study is regarded as a branch of the atmospheric sciences and a subfield of physical geography, which is one of the Earth sciences. Climatology now includes aspects of oceanography and biogeochemistry.
All-weather energy and water production via steam-enhanced vortex tower
InactiveUS20030201646A1Wind motor with solar radiationEngine fuctionsAtmospheric airWater production
The large-scale green power, pure chilled, heated water and / or conditioned directed air are produced using wind, heat and vapor of the free humid air in the structured multi-unit space-saving vortex tower providing direct three-phase voltage induction with alternating magnetic whirl formed by pole radial self-orienting magnetic concentrators swirled via all-weather multi-step tornado-like flow supplementary energized, enhanced and controlled by a spatial system of fast directing and accelerating low-temperature steam jets injected through fleshing of recycled, separated and stored condensate slightly heated with any renewable, waste, secondary, or prime source of low-temperature heat, partly via combining with solar pond and heaters or / and geothermal media, or / and waste, secondary or initial heat of large thermal, atomic power plant or intensively energy consuming industry, reducing specific investment, energy and pure water costs, quality requirements, specific pollution and waste heat atmospheric injection, with possibilities of partial local weather corrections through conditioned directed waste tower air; a new sector with various directions can be widened, based on applying of the same principles of energizing, enhancement, control and usage of any kind of fast gaseous confined vortex flow via any kind of supplementary low-temperature steam
Owner:KAPLOUN SOLOMON
Night light intensity-based estimation method of average house price of city residences
The invention provides a night light intensity-based estimation method of an average house price of city residences. The method includes: collecting and screening average house price data to obtain average house prices of residence and commodity houses of a target city over a plurality of historical years; acquiring remote-sensing DMSP / OLS night light data for preprocessing to obtain regional night light remote-sensing data of the target city over the corresponding historical years, and obtaining average light intensities by counting; carrying out correlation analysis of the average light intensities and the average house prices of the residence and commodity houses of the target city, establishing and comparing a regression model of the average light intensities and the average house prices of the target city, carrying out reasonableness evaluation on the regression model, and estimating the average house price of the city residences in a future year according to the regression model when verification passes. According to the method, on the one hand, a method of spatial analysis is integrated into study of house price statistics, and on the other hand, the remote-sensing image data which is famous for real-time performance and objectivity is also combined; and the method has important guiding significance for city construction and planning.
Owner:HUAZHONG NORMAL UNIV
Source analysis method and device for atmospheric pollutants
ActiveCN113720972ASource analysis technology refinementReliable resultsMaterial analysisAtmospheric sciencesClimatology
The invention discloses a source analysis method and device for atmospheric pollutants. The method comprises the steps of acquiring first concentration contribution data of a simulation area to a target pollutant of a concern point in an acceptor area through simulation through a first model, wherein the target pollutant is any pollutant in at least one pollutant; performing simulation through a second model to obtain second concentration contribution data of each subdivision source in the simulation area to the target pollutant of the concern point in the acceptor area; and based on the first concentration contribution data and the second concentration contribution data, calculating to obtain third concentration contribution data of each subdivision source to the target pollutant of the concern point in the acceptor area. The device comprises a first concentration contribution acquisition unit, a second concentration contribution acquisition unit and a third concentration contribution calculation unit. According to the method and the device, the second-generation air quality model and the third-generation air quality model are combined according to the advantages and disadvantages of the second-generation air quality model and the third-generation air quality model so that refined source analysis is realized.
Owner:3CLEAR SCI & TECH CO LTD
Dynamic water distribution model of slab caster
The invention discloses a dynamic water distribution model of a slab caster. The dynamic water distribution model comprises seven secondary-cooling areas of the caster. The secondary-cooling areas include a first cooling area, a second cooling area, a third cooling area, a fourth cooling area, a fifth cooling area, a sixth cooling area and a seventh cooling area. The actual water consumptions of the secondary-cooling areas meet the requirement of a formula that Q=AV<2>+BV+C. Products produced by the caster include common-carbon low-alloy steel and high-medium-carbon alloy steel; each year is divided into three stages, and surface temperatures of casting blanks are controlled according to slab equipment and climate changes and based on produced steel products; model parameters of the dynamic water distribution model are adjusted according to the corresponding formula to realize dynamic control. According to changes of climate and external conditions and characteristics of slab production, a crystallizer and a secondary-cooling water distribution model are adjusted in time, the dynamic water distribution model for slabs is created, surface quality and internal quality of the casting blanks of the slabs are stabilized, and accordingly, the quality problems of the casting blanks due to changes of facts such as external climate are solved.
Owner:GANSU JIU STEEL GRP HONGXING IRON & STEEL CO LTD
PM2.5 comprehensive domain space-time calculation inference method based on multi-source city big data
ActiveCN113297527AAddress data heterogeneitySolve space-time matchingInference methodsComplex mathematical operationsEngineeringFine particulate
The invention relates to the field of atmospheric pollutant space-time distribution calculation, and discloses a fine particulate matter (PM2.5) comprehensive domain space-time calculation inference method based on multi-source city big data. According to the method, PM2.5 concentration data of a fixed station and a sensor, satellite remote sensing aerosol optical thickness and other environment covariants are collected, an iteration vacancy filling-machine learning model is established, and the problems of data heterogeneity, space-time insufficient matching, sampling deviation and the like existing in multi-source data fusion are effectively solved. According to the method, multi-source data of a fixed station, a sensor, satellite remote sensing and the like are flexibly and efficiently fused, high-resolution spatial-temporal distribution of PM2.5 can be more accurately reconstructed, a high-resolution spatial-temporal distribution result of PM2.5 hourly concentration of a 1km grid is formed, the method is an important technical basis for realizing fine management and control of air quality, high potential pollution sources can be explored and positioned in real time, and finally, pollution discharge can be monitored and controlled in a targeted manner.
Owner:SICHUAN UNIV
Method and system for isolating related events in the presence of seasonal variations
Owner:SPECTRUM EFFECT
High cold sinking air feed system and method for accomplishing various great purpose
The present invention provides a ''high cooling low falling'' airing system, belonging to air protection, engineering construction field. The system is based on the abound mountain sources, embedding two or more large diameter pipelines having thermal function which has different positions and functions on the mountain having 4000-6000m height which has ice all years. The pipelines is embedded from mountain to city, the mountain pipeline has cool gas input port, the foot has input port of fresh air. One or more air pumping and pressing stations are set in suburbs of each city, pumping the natural gas having temperature below zero from mountain, then compressing and sending to user, realizing the natrual cooling air instead of the present refrigeration plant containing refrigerant such as air conditioner, icebox and ice cabinet etc; the system realizes energy saving and reduces consumption, inhibit global warming; and realizes supplying natrual fresh air to city.
Owner:胡冠军
Thermal load control method, device and system
PendingCN110738380AImprove accuracySolve technical problems with low accuracyResourcesThermodynamicsRoom temperature
The invention discloses a thermal load control method, device and system. The method comprises the following steps: the climate grade, the room temperature set value, the room temperature reference value and historical data before the moment corresponding to the current environment are obtained, and the historical data comprise the historical climate grade, the historical room temperature reference value, the historical room temperature set value and historical load data corresponding to the historical climate grade, the historical room temperature reference value and the historical room temperature set value; the thermal load to be provided in the current environment is predicted according to the climate grade, the room temperature set value and the historical data to obtain a predicted value; and the actual thermal load value is adjusted according to the predicted value. According to the invention, the technical problem of low accuracy of a thermal load control quantitative analysismethod in related technologies is solved.
Owner:浙江盾安节能科技有限公司
Carbon emission quantitative inversion method, apparatus and device, and storage medium
PendingCN114547885AFine emission monitoringEasy to manageChemical property predictionTechnology managementGaussian plumeSensing data
The invention relates to the technical field of low carbon, and provides a method, a device and equipment for performing carbon emission quantitative inversion by using orbit carbon observation satellite remote sensing data, and a storage medium. The method for performing carbon emission quantitative inversion by using the orbit carbon observation satellite remote sensing data comprises the following steps: quantifying factory carbon emission to obtain linear density of carbon dioxide cross section flux; optimizing the wind direction by using a Gaussian plume model to obtain an optimized wind direction; based on the linear density of the carbon dioxide cross section flux and the optimized wind direction, the carbon dioxide emission value of the power plant is obtained through calculation. By means of the method and device, the carbon dioxide emission condition of the power plant can be quantitatively monitored, fine factory-level carbon emission monitoring and management are achieved, estimation result errors caused by wind direction deviation are effectively reduced, and an independent accounting system for accounting carbon emission without depending on factory energy consumption data can be formed.
Owner:TSINGHUA UNIV
Method and system for isolating related events in the presence of seasonal variations
ActiveUS20200036459A1Efficiently correlatedTransmission monitoringNetwork measurementAtmospheric sciences
This disclosure provides a method and system that isolate non-seasonal components of network measurements from the seasonal components and compare the non-seasonal components to determine cause and effect relationships between various network nodes, to determine whether an event at a first node is experienced at a second node, and / or to characterize and localize a source of interference.
Owner:SPECTRUM EFFECT
Method for predicting thunder and lightning
ActiveCN113204903AReliable and accurate forecastForecastingDesign optimisation/simulationThunderstormDeconvolution
The invention belongs to the technical field of thunder and lightning early warning, and discloses a method for predicting thunder and lightning. The method comprises three stages of data preprocessing, thunder and lightning prediction and prediction result output, wherein in the data preprocessing stage, an image is used for representing attributes of data to be processed and fuzzy processing is carried out; in the thunder prediction stage, the features of the image subjected to fuzzy processing are extracted through convolution operation, a function reflecting thunder attribute changes is obtained through recurrent neural network coding, and then deconvolution operation is carried out to decode thunder attribute future change conditions represented by the function into a dynamic gray level image. According to the method, redundancy and interference caused by non-convective echoes or non-lightning position echoes are eliminated, and local spatial characteristics and time sequence change rules of thunderstorm clouds directly related to thunder and lightning are constructed, so that the accuracy of thunder and lightning prediction is improved.
Owner:WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST
Attribution analysis method for near-surface fine particles
ActiveCN110907319AIncrease the proportionSimple calculationParticle suspension analysisParticulatesDirect observation
The invention discloses an attribution analysis method for near-surface fine particles. According to the method, attribution analysis can be carried out on the contribution of he PM2.5 mass concentration based on direct observation, compared with a chemical transmission model, the uncertainty of an emission source is abandoned, the proportion of observation in attribution is increased, and the method has the advantages of being simple in calculation, high in efficiency and more suitable for near-real-time satellite monitoring service. The dominant contribution ratio of man-made and weather contributions to PM2.5 evolution is obtained by utilizing the man-made and weather dominant contributions calculated by the change rate of the influence factor and the evolution quantity, and important support is provided for environmental monitoring and treatment.
Owner:INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI
System and method for radar sea clutter forecast by using chaos optimization
A system for radar sea clutter forecast by using chaos optimization comprises a radar, a database and a host computer, wherein the radar, the database and the host computer are orderly connected; the radar irradiates on to-be-detected sea area, and saves radar sea clutter data into the database; the host computer comprises a data preprocessing module, a forecast model modeling module, a chaos optimizing module, a sea clutter forecasting module, a discrimination model updating module and a result display module. Besides, the invention also provides a chaos optimizing radar sea clutter forecasting method. In a word, the invention provides a high-precision system and method for radar sea clutter forecast by using chaos optimization, which can rapidly search optimization and avoid influence of human factor.
Owner:ZHEJIANG UNIV
Multi-scale simulation method and system for atmospheric diffusion and sedimentation of nuclear substances
PendingCN111898296AGet total radioactivityAchieving Multiscale Atmospheric DiffusionDesign optimisation/simulationSpecial data processing applicationsObservation dataClimatology
The invention discloses a multi-scale simulation method and system for atmospheric diffusion and sedimentation of nuclear substances. The method comprises the steps of nesting a grid triple on an areawhere an emission source to which to-be-simulated radioactive substances belong is located; performing refinement processing on a weather forecast field around the emission source to obtain a fine weather forecast field; correcting the fine meteorological forecast field by utilizing actually measured meteorological observation data around the emission source to obtain a final meteorological forecast field; and according to the total radiation concentration of the to-be-simulated radioactive substances generated by the emission source, performing multi-scale atmospheric diffusion and settlement simulation on the to-be-simulated radioactive substances by utilizing the final meteorological forecast field and combining the decay rule of the to-be-simulated radioactive substances. The invention has the advantages that the influence of large-scale circulation and medium and small-scale meteorological and topographic factors in a region on diffusion and migration of the radioactive substances is comprehensively considered, and key parameters in the diffusion and migration process of the radioactive substances are finely simulated for nuclear leakage accidents in different regions and under different diffusion conditions in China.
Owner:INST OF ATMOSPHERIC PHYSICS CHINESE ACADEMY SCI
Bubble release flux quantification method based on acoustic signal
ActiveCN111610520AReduce releaseLarge coverage areaRadio wave reradiation/reflectionClimatologyAtmospheric sciences
The invention discloses a bubble release flux quantification method based on an acoustic signal. The method comprises the steps of 1 removing a reverberation signal; 2 acquiring acoustic characteristics of bubbles; 3 calculating inherent attributes of the bubbles; and 4 calculating bubble release flux. The calculation formula in the step 4 is as follows: in the formula, rho (mL / m < 3 >) is the bubble concentration in water, v (m / s) is the rising speed of bubbles, P is the actually measured atmospheric pressure of a sampling point, and P0 is the standard atmospheric pressure (1013.25 hPa). Thestep 1 comprises the steps of 1 observing an echo graph, determining a bubble distribution range, and eliminating noise outside the range by setting a threshold value to realize first denoising; and 2manually defining an invalid data area, carrying out secondary denoising, and removing sailing noise and fish signals. The acoustic technology is adopted to perform signal acquisition on bubbles, continuous monitoring and comprehensive capture of bubble discharge information can be realized in a large water area, the efficiency is high, and the coverage area is large.
Owner:PEARL RIVER FISHERY RES INST CHINESE ACAD OF FISHERY SCI
Convective cloud machine learning identification method based on satellite cloud picture
A convective cloud machine learning identification method based on a satellite cloud picture comprises the following steps: 1, acquiring a cloud top brightness temperature historical time period and current monitoring data, and acquiring ground rainfall in the same historical time period; 2, interpolating the historical time period and the current TBB data to the grids of the ground precipitation field in the historical time period through bicubic spline interpolation; 3, generating a historical period brightness temperature index library and a current brightness temperature index library; 4, selecting a rainfall threshold value; 5, calculating mutual information of Y and X; 6, obtaining a nonlinear relation between Y and corresponding parameters through a support vector machine technology; 7, calculating mutual information of Z and X; 8, obtaining a nonlinear relation between Z and corresponding parameters through a support vector machine technology; 9, estimating the current probability of rainfall; 10, estimating the probability of existence or absence of convective rainfall at present; and 11, determining whether convective cloud exists. According to the method, the machine learning technology is utilized, the characteristics of the convection cloud on different channel satellite cloud pictures are quantitatively recognized, and the real-time recognition technology of the convection cloud is developed.
Owner:江苏铨铨信息科技有限公司
Seawater sound velocity profile continuation method and device
PendingCN113916347AHigh precisionVelocity propogationComplex mathematical operationsData setAtmospheric sciences
The invention discloses a seawater sound velocity profile continuation method and device, solves the problem of how to carry out seawater sound velocity profile continuation by using relatively less historical seawater sound velocity profile measurement data, and belongs to the field of marine environment parameter estimation. The method comprises the following steps of: acquiring a historical seawater sound velocity profile data set, to-be-continued seawater sound velocity profile data and a seawater depth A required to be continued, wherein the historical seawater sound velocity profile data set comprises complete historical seawater sound velocity profile data measured for multiple times; screening out the historical seawater sound velocity profile data with seawater depth greater than A from the historical seawater sound velocity profile data set; selecting an interpolation interval, and performing linear interpolation on the historical seawater sound velocity profile data and to-be-continued seawater sound velocity profile data according to the selected interpolation interval; and constructing a to-be-completed matrix by using the interpolated to-be-continued seawater sound velocity profile data and the interpolated historical seawater sound velocity profile data, and completing the to-be-completed matrix by using a low-rank matrix completion algorithm to complete seawater sound velocity profile continuation.
Owner:HARBIN ENG UNIV
Small watershed short-term flood forecasting method based on typical design flood hydrograph
The invention discloses a small watershed short-term flood forecasting method based on a typical design flood hydrograph. The small watershed short-term flood forecasting method comprises the following steps: S1, obtaining design flood peak flow and the typical design flood hydrograph of a small watershed river channel in different years; s2, judging whether the riverway starts to perform short-term flood forecasting or not according to the actual measurement flow; s3, determining the forecasting time of short-term flood forecasting according to the actually measured flood flow of the riverway; s4, determining a slope Kn according to the typical design flood hydrograph of the corresponding age limit; s5, determining the predicted flood flow q'n + 1 at the moment tn + 1 according to the actually measured flood flow qn and the slope Kn at the moment tn; s6, judging whether short-term flood forecasting can be ended or not according to the actually measured flood flow at the moment tn + 1;s7, correcting the age limit Tn of the design flood hydrograph for calculating the slope Kn according to the actually measured flood flow qn + 1 at the moment tn + 1 and the predicted flood flow q'n+ 1 at the moment tn + 1; and S8, ending the short-term flood forecasting. Compared with an existing flow algorithm and a corresponding water level method, the method has the advantages of being simple, rapid and the like.
Owner:SICHUAN UNIV
Intelligent inert injection, cooling and fire prevention system for goaf under coal mining condition and implementation method
ActiveCN114320455AReduce the temperatureIncrease profitMining devicesDust removalCoal miningClimatology
The invention belongs to the technical field of mining, and particularly relates to an intelligent inert injection cooling and fire prevention system for a goaf under the coal mining condition and an implementation method. The system comprises a temperature measurement module, goaf inert gas injection cooling fireproof simulation software and an inert gas injection cooling module, wherein the temperature measurement module is used for monitoring temperature data of different depths of a goaf before inert gas is injected; the simulation software is in signal connection with the temperature measurement module and is used for simulating to obtain the high-temperature area position and the highest temperature of the goaf according to the monitored temperature data before the inert gas is injected and goaf basic parameters obtained in advance, comparing the simulation result with the monitored temperature data, and when the comparison result is matched, sending the simulation result to the temperature measurement module; determining implementation parameters of the inert gas by adjusting the parameters of the inert gas; the inert gas injection cooling module is in signal connection with the simulation software and used for cooling the inert gas according to the implementation parameters of the inert gas and then injecting the inert gas into the goaf. The temperature of inert gas during injection can be effectively reduced, the gas utilization rate is increased, and the cost is reduced.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
Radon detector calibrating device and regulation and control system for keeping concentration stable
PendingCN111007562ACheck is validEffective controlRadiation measurementSimultaneous control of multiple variablesActivated carbonControl system
The invention relates to a randon detector calibrating device and a regulation and control system for keeping concentration stable, and effectively solves the problems that an existing device cannot simultaneously calibrate a plurality of emanometers, and the temperature and the humidity need to be regulated again in each calibration. According to the device, the radon detector calibrating devicecomprises a radon chamber main box body, wherein the radon chamber main box body is fixedly communicated with an exhaust filtering chamber, an intake filtering chamber, a radon source distribution chamber and a temperature and humidity control chamber respectively; the exhaust filtering chamber is filled with activated carbon and is communicated with the outside; the air inlet filtering chamber isfilled with activated carbon and is communicated with the outside; a dehumidification air conditioner, a cooling air conditioner, a heater and a humidification boiler are arranged in the temperatureand humidity regulation and control chamber; the device is simple in structure, convenient to operate, capable of effectively calibrating multiple radon measuring instruments and controlling the temperature and humidity of the radon measuring environment at the same time, and high in practicability.
Owner:HENAN PROVINCE INST OF METROLOGY
New-energy winter heating device for domestic use
InactiveCN110848789AAffected part of electricity availableSave Household ElectricitySolar heating energySpace heating and ventilation detailsNew energySolar water
The invention discloses a new-energy winter heating device for domestic use. The new-energy winter heating device comprises a fixed base plate and a housing; the top of the fixed base plate is sequentially fixed connected with a water tank and a solar water heater from front to back; and a partition plate is fixedly connected inside the water tank. The new-energy winter heating device disclosed bythe invention relates to the technical field of heating devices. According to the new-energy winter heating device for domestic use, the solar water heater is arranged for supplying hot water to a U-shaped pipe; the hot water can stay inside the U-shaped pipe for a certain time so that the heat of the hot water can be fully dissipated by a motor and fan blades; an air pump is used for sucking theair inside the water tank so that the cooled water inside the U-shaped pipe can be pumped into the water tank by virtue of a reflowing pipe without affecting the temperature of the water inside the solar water heater, so the solar water heater can realize continuous supply of hot water; an exhaust pipe is arranged in a manner of communicating with the housing and the air pump; warm air exhaustedby the air pump can also be exhausted to a room so that the heat utilization rate is greatly increased; the motor does not need to work when the air pump is in work, so electric energy is saved; and the new-energy winter heating device realizes relative energy conservation and environmental protection.
Owner:合肥众建翔新能源有限公司
Cyclone strength prediction model construction method and cyclone strength prediction method
The invention discloses a construction method of a cyclone strength prediction model and a cyclone strength prediction method.The construction method comprises the steps that training data are obtained, and each piece of training data comprises a satellite image sequence; each satellite image in the satellite image sequence is sequentially input to the regional curved surface convolution layer, the regional curved surface convolution layer outputs a first spatial feature map, in the regional curved surface convolution layer, the satellite images are subjected to traversal convolution, and in each convolution, the first spatial feature map is obtained; determining longitudes and latitudes of other sampling points of the current convolution based on the longitude and latitude of the central sampling point of the current convolution, and taking the longitude and latitude of the central sampling point of the current convolution and the longitudes and latitudes of other sampling points as a sampling range of the current convolution; obtaining a cyclone strength prediction result based on the first spatial feature map; and calculating a loss function value according to a cyclone strength prediction result and a true value, and training based on the loss function value to obtain a cyclone strength prediction model. According to the method, the model with relatively high cyclonic strength prediction accuracy can be constructed.
Owner:HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN (INSTITUTE OF SCIENCE AND TECHNOLOGY INNOVATION HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN)
Environment-friendly solar ventilator
The invention discloses an environment-friendly solar ventilator. Fan blades are connected to the end, close to solar equipment, of a driven shaft, a driving device used for driving the driven shaft to rotate is installed at the other end of the driven shaft, and a water tank movably arranged on the driven shaft in a sleeving mode and used for cooling an inner cavity of a fan shell is installed onthe side, close to the driving device, of an air net. A thermal induction device used for starting the water tank to be started for cooling is installed on the side, close to the driving device, of the air net. A first solar panel is manually pressed to enter the fan shell cavity, and an L-shaped limiting block is rotated to be clamped on the first solar panel to be positioned, so that rain and snow scouring is prevented, the service life of the equipment is prolonged, and energy conservation and environmental protection are achieved; when an exhaust fan works, the temperature is too high, anair bag expands, a movable contact piece is extruded to make contact with a static contact piece, a control valve is controlled to be opened, and cooling water enters the water tank from a water inlet pipe and is sprayed into the fan shell cavity through a spray head, so that the cooling purpose is achieved, and the service life of the equipment is prolonged.
Owner:广东大粤新能源科技股份有限公司
Solar air-conditioner and water heater system
InactiveCN103375861AHigh outputEasy to use, simple and comfortableSpace heating and ventilation safety systemsSpace heating and ventilation control systemsWater storageWater storage tank
The invention discloses a solar air-conditioner and water heater system. The solar air-conditioner and water heater system comprises an outdoor air-conditioner unit, an air compressor and an indoor air-conditioner unit, wherein the outdoor air-conditioner unit is connected with the air compressor, the air compressor is connected with one end of an adjusting valve, the other end of the adjusting valve is connected with one end of each of the indoor air-conditioner unit and a spiral copper heat-exchanging tube via working medium pipes, the spiral copper heat-exchanging tube, a heating tube and a water storage tank are arranged in a water heater which is mounted at the upper end of a water heater support, solar heat collecting tubes are mounted at the lower end of the water heater support, and one end of each of the solar heat collecting tube inserts into the water storage tank. The solar air-conditioner and water heater system can realize high usage rate by utilizing a little of electric energy and can be used by the water heater and an air conditioner, so that high efficiency, energy conservation and environment protection are realized. The solar air-conditioner and water heater system can realize high usage rate by utilizing a little of electric energy and can be used by the water heater and the air conditioner, thereby having the advantages of high efficiency, energy conservation and environment protection.
Owner:SHANGHAI NICHOLS ELECTRONICS TECH INC
Water surface rainfall intensity measurement method based on rain sound spectrum and device thereof
InactiveCN101609172BReduce power consumptionLarge capacityRainfall/precipitation gaugesHydrophoneMeasurement device
Owner:THIRD INST OF OCEANOGRAPHY STATE OCEANIC ADMINISTATION
Multi-feature-constrained mainstream identification method for mesh rivers
ActiveCN112270266BMacro overview is goodOvercome the problem that the accuracy is not stable enoughCharacter and pattern recognitionComputational scienceRiver routing
The invention discloses a multi-feature-constrained network river mainstream identification method, which belongs to the field of map synthesis; mainstream identification is an important operation in the process of river system synthesis, and the accuracy of identification directly affects the quality of river system synthesis. In a river system with a large spatial range, there will be a network of rivers formed by the interweaving of river channels in some areas. The river sections in it are dense, complex in structure and similar in attributes, which greatly increases the difficulty of identifying the mainstream of the river system. The multi-feature-constrained network river mainstream identification method proposed by the present invention, firstly, builds the directed topology structure of river system data, and detects the key nodes that affect the mainstream identification, that is, redundant nodes; secondly, considers the flow direction of the river, and calculates each The effective topological boundary of redundant nodes is determined to determine its "influence domain", and a hierarchical tree is established accordingly; finally, considering the multi-feature constraints such as semantics, geometry, direction, topology, and hierarchical relationships, the optimal connection path between nodes is calculated to realize mainstream recognition.
Owner:CHINESE ACAD OF SURVEYING & MAPPING
An intelligent air conditioning control method based on body surface temperature monitoring
ActiveCN112032970BEffective guidanceHigh control precisionMechanical apparatusSpace heating and ventilation safety systemsTemperature controlRoom temperature
The invention discloses an intelligent air-conditioning control method based on body surface temperature monitoring, comprising: based on indoor air temperature t a and indoor radiation temperature t r Calculate the theoretical calculation value t of the surface temperature of the human body in the neutral state in summer sn Or the theoretically calculated value of the surface temperature in the neutral state of the human body in winter t wn ;Based on the actual temperature of the user's surface t cl , and the theoretically calculated value of surface temperature t in the neutral state of the human body in summer sn Or the theoretically calculated value of the surface temperature in the neutral state of the human body in winter t wn Calculate summer temperature control value CS s or winter temperature control value CS w ;Call the seasonal information, based on the summer temperature control value CS corresponding to the seasonal information s or winter temperature control value CS w Control the air conditioner. The present invention is based on the physical parameters of the neutral state of the thermal comfort of the human body, and is divided into summer and winter working conditions, and controls the air conditioner based on the body surface temperature and room temperature monitoring data respectively, which improves the control accuracy and efficiency of the indoor air conditioner temperature set point, It can guide the operation and regulation of the air conditioner more effectively.
Owner:CHONGQING UNIV
Point cloud processing method, device and equipment and storage medium
ActiveCN112328726AGuaranteed continuitySemantic annotation is accurateDrawing from basic elementsVisual data miningComputational scienceCloud processing
The invention relates to the technical field of point cloud maps, and provides a point cloud processing method, device and equipment and a storage medium. The method comprises the steps: obtaining a plurality of point cloud tracks which are divided from an original point cloud track and distributed at different heights; based on an initial section point cloud trajectory determined in the multiplesections of point cloud trajectories, obtaining candidate section point cloud trajectories in the multiple sections of point cloud trajectories, wherein the candidate section point cloud trajectoriesand the projections of the initial section point cloud trajectories in the height direction do not have point cloud projection overlapping; determining a splicing section point cloud track communicated with the starting section point cloud track in the candidate section point cloud tracks; and forming a target point cloud trajectory based on the spliced section point cloud trajectory and the initial section point cloud trajectory, thereby ensuring continuity of subsequent semantic annotation processing on the target point cloud trajectory, and ensuring accuracy of semantic annotation on the point cloud trajectory on an annotation plane.
Owner:广州景骐科技有限公司
A Rolling Robust Scheduling Method for Electric Thermal Energy to Consume Wind Power with Electric Heat Storage
ActiveCN107800153BForecastingSingle network parallel feeding arrangementsPower stationLoad forecasting
The present invention proposes a rolling robust dispatching method of electrothermal energy for electric heat storage to accommodate wind power, adopting a rolling robust correction strategy to avoid the increase of wind power prediction error caused by the delay of the dispatching period, and reduce the impact of system uncertainty on the dispatching plan Impact. The present invention is divided into two parts, the first stage: day-ahead planning and dispatching. Each wind farm predicts the wind power output of the next day and reports the power prediction interval of the wind farm and other forecast information to the grid dispatching center. The dispatch center calculates the allowable output range of each wind farm and the planned output value P of other units based on the power forecast range and load forecast information of each wind farm. plan . Then, the dispatch center sends dispatch instructions to each power plant for safe and economic dispatch according to the calculation results. Stage 2: Intraday rolling correction. In this dispatching stage, the wind power forecast range and other forecast information reported by each wind farm to the dispatching center are the results of rolling corrections.
Owner:STATE GRID GASU ELECTRIC POWER RES INST +2
Urban agglomeration ground surface heat island intensity evaluation method and system, medium and terminal equipment
PendingCN113743740AMeet practical application needsClimate change adaptationCharacter and pattern recognitionThermodynamicsData set
The invention relates to an urban agglomeration ground surface heat island intensity evaluation method. The method comprises the steps of acquiring ground surface temperature data of a target urban agglomeration in a target time period, and evaluating the heat island intensity of the target urban agglomeration according to the ground surface temperature data; screening out potential driving factors influencing the urban agglomeration heat islands according to the urban agglomeration data of the target urban agglomeration in the target time period, and creating a cause data set of the urban agglomeration heat islands according to the potential driving factors; based on the evaluation result of the intensity of the urban agglomeration heat islands and the cause data set, constructing a cause determination model of the urban agglomeration heat islands by adopting an enhanced regression tree method; and operating the urban agglomeration heat island cause determination model to obtain a cause diagnosis result of the target urban agglomeration heat island, and determining an urban agglomeration heat island cause mechanism according to the cause diagnosis result. Compared with the prior art, the method has the advantages that the urban agglomeration is regarded as an integral area to evaluate the heat island intensity and analyze the relative importance and marginal effect of the cause of the heat island intensity, and a scientific basis is provided for relieving the regional heat island and constructing the livable urban agglomeration.
Owner:GUANGZHOU INST OF GEOGRAPHY GUANGDONG ACAD OF SCI
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