25 results about "Automatic weather station" patented technology

The invention discloses a heavy rainfall short and temporary trigger forecasting method based on cooperation of radar echo extrapolation and machine learning, and relates to the technical field of weather forecast, and the method comprises the steps: S1, multi-source data collection: collecting three types of basic data, namely conventional radar echo data, dual-polarization radar data and automatic weather station real-time observation data; according to the method, the dual-polarization radar data and the real-time observation data of the automatic weather station are fused, comprehensive capture of key features formed by heavy rainfall is achieved, the problems that in the prior art, the data dimension is single, and the forecasting basis is insufficient are solved, and the real-time forecasting of heavy rainfall is achieved through the steps of splitting data collection, preprocessing, fusion, extrapolation forecasting and collaborative forecasting. A radar echo extrapolation and machine learning cooperation mechanism is constructed, double improvement of precision and timeliness of heavy rainfall short and temporary trigger forecasting is realized, the problems of large forecasting deviation and poor timeliness caused by single use of a single algorithm or model are solved, and heavy rainfall disaster loss is effectively reduced.

This invention relates to the field of AI weather forecasting technology and discloses a weather forecasting method based on an AI weather forecasting model and a WRF model. The method includes: inputting ERA5 global atmospheric reanalysis gridded data into the AI ​​weather forecasting model to obtain an assimilated background field; constructing an effective multi-source observation vector based on observation data from ground automatic weather stations, radiosonde observation data, geostationary meteorological satellite radiance data, and Doppler radar VAD wind profile data; solving for the optimal atmospheric analysis field; extracting atmospheric state variables from the optimal atmospheric analysis field and writing them into the WRF model's side boundary driving file, driving the WRF model to complete the integration operation, and obtaining a gridded forecast field of meteorological elements. This method enables the WRF boundary condition update frequency to be higher than the traditional 6-hour static scheme, effectively characterizing the rapid evolution of the atmospheric state in the boundary region at the sub-hourly scale, thereby improving the WRF model's forecasting capability for high-impact weather events such as severe convection.

The invention discloses a miniature automatic weather station and a temperature measurement optimization control method and system. The temperature measurement performance of the miniature weather station is improved through global comprehensive optimization in the aspects of a system structure, circuit layout and a data algorithm. The system structure is improved, the structural design of the double-layer vertical-wall hollow cylindrical radiation-proof cover retains the advantage of compact structure of the miniature automatic weather station, and meanwhile, a conventional horizontal natural ventilation radiation-proof cover in a louver blade overlapping form is changed into the double-layer vertical-wall hollow cylindrical radiation-proof cover; sampling airflow is changed from horizontal natural ventilation airflow to vertical active air exhaust sampling. According to real-time meteorological environment data, a sampling air pump is driven and controlled in a segmented mode to operate, the solar radiation intensity, the atmospheric wind speed and the atmospheric temperature are used as control variables to determine the operation speed and the sampling flow of the sampling air pump, and a working mode, a circulation control variable and a working time sequence are selected. And in the aspect of a data processing algorithm, a multi-source data fusion calibration method is adopted to improve the accuracy of temperature measurement data.

The application relates to the anchoring technical field of a weather station, in particular to an automatic weather station anchoring device for an ice cover environment and a mounting method. The anchoring device comprises an expansion assembly and a fixing assembly which are sleeved on a rod core assembly; the fixing assembly is sleeved on a support rod at the upper portion of the expansion assembly, the upper end of the support rod is connected with an end cover through a second screw joint, a lifting sleeve is arranged in the expansion assembly, a plurality of sets of pawl assemblies are arranged in the circumferential direction of the expansion assembly, one end of each pawl assembly is hinged to the cylinder of the expansion assembly, the other end of each pawl assembly is hinged to the lifting sleeve, the pull rod of the rod core assembly passes through the expansion assembly, and the upper end of the pull rod is connected with an operating device through a first screw joint.

The invention relates to the technical field of meteorological services, and particularly discloses a meteorological forecasting method and system fused with high-precision geographic information, geographic data is obtained through a satellite, the influence of a macroscopic geographic environment on climate can be reflected, real-time monitoring data of an automatic meteorological station can provide accurate observation of microscopic point locations, and the accuracy of meteorological forecasting is improved. A macroscopic-microcosmic linkage complete data chain is formed, analysis deviation caused by a data surface is avoided, a positioning system of the automatic weather station ensures accurate binding of detection data and geographic coordinates, and by combining with a preset geographic layout boundary, the position fuzziness of the data can be avoided, so that each piece of climate data can anchor a specific geographic scene, and the accuracy of data analysis is improved. A precise space reference is provided for subsequent analysis, and the characteristics of precise data, clear monitoring, sensitive and reliable prediction and wide application range are cooperatively realized through multi-modal technology fusion.

The utility model relates to the technical field of meteorological station monitoring, in particular to a novel meteorological automatic station data transmission monitoring device which comprises a meteorological station stand column, camera shooting assemblies are symmetrically arranged on the two sides of the meteorological station stand column, and supporting side frames are assembled at the bottoms of the camera shooting assemblies in a butt joint mode through installation bases. Assembling side plates are hinged to the inner side ends of the two sets of supporting side frames through a left shaft column and a right shaft column correspondingly, the inner sides of the two sets of assembling side plates are assembled on the outer wall of a meteorological station stand column in a surrounding mode through integrally-arranged inner hoops and assembled and fastened through bolts, inner supporting plates are assembled on the inner sides of the assembling side plates, and telescopic cylinders are assembled in the inner supporting plates; the camera shooting assembly and the telescopic cylinder are electrically connected with the meteorological station power distribution control module through data wires. The device can be conveniently assembled and supported outside the vertical rod of the meteorological station for auxiliary surrounding use according to use requirements, so that the device is more convenient and efficient to use.

The invention discloses a method for storing sensor data based on gradient difference interpolation marks. Comprising the following steps: S1, data collection: collecting and obtaining various minute data of a collector; s2, gradient data processing: carrying out gradient operation on the collected moment data, carrying out gradient operation on a current sensor data value and a previous moment data value to realize data monitoring, and preparing for differential mark data storage; and S3, differential marked data storage: carrying out differential operation on the data obtained in the S2, removing the same or meaningless data values, and / or carrying out marked storage on suspected data. The data of the automatic meteorological station has the characteristic of strict time correspondence and limitation, and the gradient advantage can be fully utilized: the data is processed through the optimization and compression functions of a gradient algorithm, so that the storage space is reduced; data partition management is achieved in combination with interpolation marks, and the query and management efficiency is improved; and data monitoring can be realized based on gradient analysis data trend.

The application relates to the anchoring technical field of a weather station, in particular to an automatic weather station anchoring device for an ice cover environment and a mounting method. The anchoring device comprises an expansion assembly and a fixing assembly which are sleeved on a rod core assembly; the fixing assembly is sleeved on a support rod at the upper portion of the expansion assembly, the upper end of the support rod is connected with an end cover through a second screw joint, a lifting sleeve is arranged in the expansion assembly, a plurality of sets of pawl assemblies are arranged in the circumferential direction of the expansion assembly, one end of each pawl assembly is hinged to the cylinder of the expansion assembly, the other end of each pawl assembly is hinged to the lifting sleeve, the pull rod of the rod core assembly passes through the expansion assembly, and the upper end of the pull rod is connected with an operating device through a first screw joint.

This invention discloses a quality control method for minute-by-minute temperature variability at automatic weather stations based on a lightweight gradient booster. The quality control method includes: P1, Data Acquisition: Collecting multi-source data from automatic weather stations and standardizing the data; P2, Data Preprocessing: Cleaning and performing preliminary quality checks on the acquired multi-source data to obtain a preprocessed dataset; P3, Feature Extraction: Extracting multi-dimensional features and performing spatiotemporal matching on the preprocessed dataset to obtain a feature vector dataset; P4, Model Training and Evaluation: Constructing an adaptive automatic weather station temperature variability quality control model based on the LightGBM quantile regression algorithm and completing model training and quantitative evaluation; P5, Automatic Weather Station Temperature Variation Quality Control: Using the constructed adaptive automatic weather station temperature variability quality control model, outputting the temperature variability results of the target automatic weather station, and performing real-time quality control and judgment on the temperature of the target automatic weather station. This invention can solve the problem that traditional fixed threshold methods cannot adapt to complex climatic environments.

The utility model discloses an automatic weather station for a highway, which comprises a mounting rod, and a weather sensor, a pavement condition monitoring device and a camera are arranged on the mounting rod. The mounting rod comprises a rod bottom section, a rod middle section and a rod upper section, the rod middle section is mounted on the rod bottom section, the rod middle section can slide up and down on the rod bottom section and is locked, one end of the rod upper section is connected with the rod middle section in a hinged mode, and the rod upper section can rotate around the hinged position of the rod upper section and the rod middle section; the meteorological sensor and the camera are both arranged on the pole upper section, and the meteorological sensor comprises a wind speed and direction sensor, a temperature and humidity sensor and an air pressure sensor; and the road surface condition monitoring device is arranged on the rod middle section. By means of the mode, in the installation and maintenance process, the pole upper section can be laid flat, and the risk of high-altitude operation is greatly reduced. In addition, a rotatable locking structure is arranged between the upper section and the middle section, so that the upper section of the rod can rotate to any required position, and the safety and convenience of equipment maintenance are further improved.

The invention relates to an intelligent street lamp turn-on control method and system considering special meteorological factors, and the method comprises the steps: calculating reference radiation based on an NARP clear sky net radiation model, and carrying out the real-time collection of precipitation, visibility and relative humidity data through an automatic meteorological station; and dynamically generating a meteorological adjustment coefficient through sliding window statistics and a logarithm-linear scaling algorithm, and comprehensively adjusting the reference radiation to obtain the actual received radiation intensity of the earth surface. And when the adjusted radiation value is lower than a preset threshold value, a street lamp turn-on instruction is automatically triggered. According to the method, expensive sensors do not need to be added, and the attenuation influence of special weathers such as rainstorm and low visibility on illumination can be accurately quantified only by using conventional meteorological data. Actual measurement shows that the method reduces the root-mean-square error of the turn-on time to 8.2 minutes, obviously solves the problem that the turn-on of the street lamp lags behind or is too early in special weather, has the advantages of high precision, low cost and easy popularization, effectively guarantees traffic safety and saves energy.

The utility model discloses a double power supply device of regional automatic weather station with automatic selection function relates to automatic weather station technical field. Include: A electric control input, B electric control input, control unit and relay, the control unit includes undervoltage protection circuit and voltage stabilizing delay circuit, and through undervoltage protection circuit, voltage stabilizing delay circuit and the cooperation of relay interlock A electric control input and B electric control input, realize the automatic switching of power supply, undervoltage protection circuit includes reference power supply chip and PNP switch tube, and reference power supply chip and PNP switch tube are communicated through the wire between. The utility model discloses adopting the very mature component of technology, and the circuit structure is simple, and the cost is low and easy to make and stable and reliable work, effectively solved the fault of the collector caused by the battery charging shortage, both saved regional station maintenance cost and ensured the continuity of meteorological data.

The application provides a complex terrain wind farm automatic weather station data anomaly identification and intelligent quality control cleaning method, and relates to the technical field of new energy meteorological data processing. The method comprises the following steps: acquiring multi-source data, performing standardization processing and physical quantity conversion, and constructing a multi-dimensional feature matrix; at least one of threshold and logic verification, time sequence consistency detection, distribution offset detection and extreme weather adaptation verification is executed for initial detection, and the data triggering any initial detection abnormal condition is marked as suspicious data; a hybrid classification model containing LightGBM, bidirectional LSTM and attention mechanism is used to classify and determine the suspicious data; and differential repair is respectively performed on different classification labels. The abnormal data identification accuracy of the application is greater than or equal to 95%, the missed detection rate is less than or equal to 3%, and the false detection rate is less than or equal to 5%, and the application can especially accurately distinguish between real extreme data and sensor fault data.

The invention relates to the technical field of climate resource development and health-care industry, and discloses a method for planning three-dimensional climate health-care resources in a low-latitude plateau mountainous area, which is characterized in that the climate shows a vertical differentiation characteristic of'ten days different from each other 'due to large altitude fall (generally 2000-3000 meters) in the low-latitude plateau mountainous area, so that the three-dimensional climate health-care resources in the low-latitude plateau mountainous area can be developed. Therefore, the mapping relation of altitude gradient-microclimate-health value needs to be established in general survey, and during specific implementation, automatic meteorological stations (such as 600 meters, 900 meters, 1200 meters... 3200 meters) are arranged at intervals according to the altitude of 300 meters. According to the three-dimensional climate health resource planning method for the low-latitude plateau mountainous area, when the high-altitude research and study requirements are insufficient, by combining the phototherapy course developed by the ultraviolet light resources, the market blank is filled, the deep value of the three-dimensional climate can be played, the resource waste is avoided, the continuous attraction is kept, and the mode that development is not damaged and adjustment follows up is adopted. The three-dimensional climate health resources are ensured to benefit people at present and benefit descendants for a long time.

The invention discloses a gale event classification method based on iterative clustering analysis, and the method comprises the following steps: collecting the observation data, reanalysis data and rainfall data of an automatic weather station in a target region, screening and extracting gale event samples, and calculating a plurality of environmental physical quantities corresponding to each gale event; based on the environmental physical quantity, performing first clustering analysis on all the gale event samples by using an unsupervised clustering algorithm to obtain a preliminary gale type division result; based on the primary classification result, evaluating the importance of each environmental physical quantity to different strong wind types by using a random forest algorithm, and screening out key feature variables; and performing secondary clustering analysis on the gale events which are misjudged or have fuzzy boundaries in the primary classification result by using the key feature variables, and re-dividing the types of the gale events to obtain a final gale weather system classification result.

According to the multifunctional comprehensive unmanned aerial vehicle hangar and pickup truck integrated operation system, an unmanned aerial vehicle hangar and a light bus or pickup truck platform are innovatively and deeply integrated. A rolling type cabin cover is adopted in the hangar, the protection grade reaches IP54, an automatic weather station, a temperature and humidity sensor and the like are arranged in the hangar, and the hangar can stably run in the extreme environment of minus 35 DEG C to 50 DEG C. The hangar is matched with high-performance unmanned aerial vehicles of the universal S400 series, the DJI M300 series and the like and has the functions of automatic storage, charging and battery replacement (full-automatic version). The control system is composed of a ground station and an intelligent management and control platform, and the ground station is arranged in a vehicle-mounted command center and used for route planning and control. The intelligent management and control platform is based on cloud computing and big data, realizes multi-machine collaborative scheduling, account hierarchical management and AI image recognition and analysis through a 4G / 5G network, and can automatically generate an inspection report. The system supports multi-machine relay networking, can dynamically adjust the route according to weather, obstacles and the like, realizes data localization processing in combination with edge calculation, and reduces transmission pressure.

The invention relates to the field of instrument verification, and provides an automatic meteorological station temperature measurement sensor verification device which comprises a signal acquisition assembly, a material assembly and a verification assembly. The signal acquisition assembly can move towards the direction of the material assembly; the material assembly comprises a to-be-detected sensor and a sensor adaptive tool, the to-be-detected sensor is installed on the sensor adaptive tool, and the sensor adaptive tool is provided with a standardized signal interface, so that the signal acquisition assembly adapts to signal connection of the to-be-detected sensors of different specifications; and the signal acquisition assembly and the material assembly can synchronously move towards the direction of the verification assembly, so that the verification assembly verifies the material assembly. Through the arrangement of the standardized signal interface in the material assembly, sensors to be detected of different specifications can be in butt joint with the signal acquisition assembly through the standardized signal interface, and standardization of signal acquisition is achieved.

The utility model discloses an automatic weather station comprehensive arrangement device which comprises a base, a positioning ring is fixedly installed on the upper surface of the base, a rotary drum is inserted into the positioning ring, a vertical rod is fixedly installed on the top of the rotary drum, a positioning baffle ring is fixedly installed on the surface of the vertical rod, and a receiver is fixedly installed on the top of the vertical rod. The automatic meteorological station comprehensive arrangement device comprises a base, a vertical rod is fixedly installed on the base, the top of the vertical rod is sleeved with a limiting ring, the surface of the vertical rod is in threaded connection with a threaded ring, square pipes are fixedly installed at the four corners of the bottom of the base, sliding blocks are slidably connected into the square pipes, and supports are fixedly installed at the bottoms of the sliding blocks. In the using process, a hydraulic telescopic rod can drive a movable plate on a supporting transverse plate to move, so that the position of a support on a sliding block is adjusted, the placing state of the device is conveniently adjusted, the device can be moved and positioned, and the using convenience of the device is improved.

The present application belongs to the technical field of terrain influence analysis method, and particularly relates to a plateau complex terrain wind field statistical reconstruction method based on site contribution equalization, determines a research area as a terrain area in Sichuan Province in the southeast edge of the Qinghai-Tibet Plateau, and a research period as a dry season of the plateau; collects hourly maximum wind and wind direction records of an encrypted automatic weather station in the research area, and slope and slope direction terrain factors extracted based on a 30-meter resolution digital elevation model; performs quality control on meteorological data, and verifies each record of extreme gale records of 10 levels and above by referring to a duty log, consulting a local meteorological station, and comparing average wind speed; defines 6 levels and above as a target gale level, and clearly defines statistical standards of a gale day, a gale hour, and an average continuous duration of a gale day; adopts a site equal weight method, eliminates influences of site density differences on terrain analysis, and performs correlation statistics of terrain factors and gale characteristics.

The invention discloses a method for judging freezing rain and snowfall in winter, and relates to the technical field of meteorology. The method comprises the following steps: acquiring research samples of observation data of a ground automatic weather station, a sounding radar and a wind profile radar in winter, preprocessing the observation data of the ground automatic weather station, the sounding radar and the wind profile radar, and extracting physical quantity parameters; statistical analysis is carried out on the ground air temperature of 2 meters, the air temperature of 700 hundred Pa, the air temperature of 500 hundred Pa, the potential thickness between 500 hundred Pa and 700 hundred Pa, the height of a 0-degree layer, the cloud top temperature, and the vertical speed, the horizontal wind speed and the horizontal wind direction distribution characteristics at five heights (150 meters, 390 meters, 750 meters, 1350 meters and 2430 meters), the temperature of a specific layer is combined with the vertical speed of rainfall particles, and the optimal freezing rain and snowfall judgment indexes are established. And the capability of discriminating freezing rain and snowfall can be improved.

The invention relates to the field of instrument verification, and provides unmanned verification equipment for a pressure sensor of an automatic meteorological station, which comprises a verification assembly, a material frame and a material clamping assembly, the material clamping assembly is installed between the verification assembly and the material frame and used for transferring the material assembly. The material assembly comprises a sensor adaptive tool and a to-be-detected sensor, the sensor adaptive tool is adaptive to installation of the to-be-detected sensors of different specifications, and an information identification tag of the to-be-detected sensor is attached to the sensor adaptive tool; the sensor adaptive tool is installed on the verification assembly, in the verification process, the information identification tag is scanned to obtain the inspection product information of the sensor to be verified, and the verification assembly is driven through the inspection product information to verify the sensor to be verified. According to the invention, the batch unmanned operation of the precision verification operation of the pressure sensor of the automatic meteorological station is realized, and the standard performance and the result uniformity of the verification work are improved.

The invention discloses portable automatic meteorological station equipment based on six meteorological elements, and relates to the technical field of meteorological monitoring, and the equipment comprises a backpack type waterproof packaging box, and an MEMS sensor, a tipping bucket rain gauge, an integrated mainboard and a structural support which are disposed in the backpack type waterproof packaging box. The MEMS sensor comprises a silicon piezoresistive barometer, a digital temperature and humidity sensor and an ultrasonic wind speed and direction sensor; a data acquisition unit and a wireless communication unit which are connected with each other are integrated on the integrated mainboard; the data acquisition unit is used for acquiring data of the MEMS sensor and the tipping bucket rain gauge; the structure support is used for erecting the MEMS sensor, the tipping bucket rain gauge and the integrated mainboard at an observation site. According to the invention, portable flexible automatic monitoring in specific scenes such as field temporary scientific investigation and temporary meteorological observation along a power transmission line can be satisfied.

This invention proposes an intelligent extraction method for heavy precipitation processes based on multimodal features and deep learning, comprising: generating buffer boundaries and constructing a time-series dataset of the target area; identifying three-dimensional storm cells based on U-Net segmentation of three-dimensional reflectance; performing multi-feature matching on three-dimensional storm cells at adjacent times to generate a storm trajectory set; extracting storm-affected periods and intermittent periods based on the storm trajectory set; dynamically adjusting the merging threshold based on a storm docking and diffusion matching model, combined with continuous coverage determination constraints along the dynamic main direction, to obtain convective weather process clusters; calculating the maximum hourly rainfall intensity and cumulative rainfall of the process by combining automatic weather station precipitation data, and outputting heavy precipitation event records when the threshold and overlap conditions are met; this method is used for the automated extraction and structured event record generation of heavy precipitation processes in irregularly shaped small- and medium-scale target areas, providing a sample basis with clear physical meaning for the training of heavy precipitation weather AI prediction models, the verification of forecasting technologies, and the analysis of mechanisms.

The invention discloses a partitioned variable sprinkling irrigation system based on a soil dielectric constant real-time map. The partitioned variable sprinkling irrigation system comprises a sprinkling irrigation machine, a central controller, and an optimized soil moisture sensor network, a fixed canopy temperature sensor, a canopy temperature sensor network, an automatic weather station and a variable execution mechanism which are respectively in communication connection with the central controller, a soil dielectric constant sensor array is arranged outside the sprinkling machine and is used for periodically acquiring a real-time atlas of the dielectric constant of soil covering the whole field in the moving process of the sprinkling machine; the central controller is internally provided with a dynamic partition and decision module, and the dynamic partition and decision module divides dynamic comprehensive moisture management partitions, generates a variable irrigation prescription map and sends the variable irrigation prescription map to the variable execution mechanism; the dynamic comprehensive moisture management subarea is divided based on the static water holding characteristic subarea of the soil texture and the real-time soil moisture space distribution based on the soil dielectric constant real-time atlas.

The invention discloses a low-altitude economic meteorological monitoring all-in-one machine and a monitoring method, and relates to the technical field of low-altitude economic meteorological monitoring. The all-in-one machine comprises a three-legged support, an integrated shell arranged on the three-legged support, a core sensor unit arranged in (or at the top) the integrated shell, and a data processing and control module. Wherein the core sensor unit comprises a laser radar wind measurement unit, an automatic weather station sensing unit and a vortex motion observation system sensor unit. And the data processing and control module is connected with each sensing unit and is used for performing space-time matching and fusion on each original meteorological data acquired by the core sensor unit by using a data fusion algorithm to generate comprehensive low-altitude meteorological profile data. According to the invention, synchronous acquisition, unified calibration and fusion processing of multi-source meteorological information can be realized, and the system complexity and the comprehensive cost are significantly reduced while the observation precision is ensured.