257 results about "Accident emergency" patented technology

The invention discloses a chemical industry park emergency processing method based on digital twinning. High-precision digital modeling is carried out on the physical environment of the chemical industry park, and dynamic changes in the park are sensed and reflected in real time; the Internet of Things equipment model is fused with the twin scene, the Internet of Things equipment model is matched with equipment information of an actual park enterprise, and collaborative linkage of the model and monitoring equipment is achieved; emergency scene simulation of various chemical industrial parks is provided, and different scenes are selected for drilling according to actual requirements; a chemical industrial park accident emergency resource scheduling model is constructed, a digital twinborn simulation technology and a hybrid intelligent optimization algorithm are fused, and resource allocation in a dynamic and complex environment is realized; and a collision-free safe path from the starting point to the ending point is found by comprehensively considering the necessary points and the bypassing areas. According to the invention, through integration of a high-precision digital twinning technology, a comprehensive emergency simulation drilling system and method are provided for the chemical industry park, so that the emergency response capability and the safety management level of the park are comprehensively optimized and improved.

The invention belongs to the field of coal mine accident emergency management, and discloses a coal mine accident emergency response management system and method.A real-time multi-source data acquisition and fusion module acquires multi-source data and transmits the multi-source data to a central control room in real time for data fusion and processing; the intelligent decision support and accident simulation module performs accident scene simulation and provides intelligent decision support; the dynamic rescue resource scheduling and optimization module tracks the positions of rescue equipment and personnel, and dynamically optimizes a rescue path according to the real-time condition of an accident; the real-time communication and cooperation platform ensures real-time communication between the underground and the ground; the underground personnel positioning and evacuation system monitors the specific positions of underground personnel in real time and intelligently generates an optimal personnel evacuation route according to real-time environment data and accident simulation results. According to the method, the efficiency of accident emergency response is improved, casualties and property loss in coal mine production accidents are reduced, and the method has remarkable safety benefits and economic benefits.

The invention provides a coal mine enterprise and sharing center joint reserve emergency relief goods decision-making method comprising the following steps: aiming at a specific accident type, based on historical accident information, using a random forest algorithm to determine the emergency relief goods of the specific accident type; constructing a material demand model of specific types of emergency rescue materials evolved along with time and accidents in the accident emergency rescue period and the demand quantity of the emergency rescue materials; acquiring basic information of a coal mine, and determining an emergency relief material demand change curve along with time lapse and accident evolution during an accident period according to the basic information and the application demand model; and determining the storage information of the emergency rescue materials according to the demand quantity change curve requirements of the emergency rescue materials under the condition that the time and the material quantity meet the requirements. The problems of high reserve cost and low efficiency in the prior art are solved.

The invention relates to the technical field of safety simulation training drilling, in particular to an intelligent assessment and evaluation method for mine accident emergency risk avoiding, which comprises the following steps of: S1, acquiring multi-dimensional data in an emergency risk avoiding capability drilling process of a student; s2, performing data preprocessing on the multi-dimensional data, and constructing an evaluation data set; s3, constructing an emergency risk avoiding capability evaluation system, wherein the system comprises evaluation items and distribution weights of the evaluation items; s4, establishing a weight evaluation model, and dynamically adjusting the distribution weight of the evaluation item in combination with the environmental data; and S5, scoring is completed according to the emergency risk avoiding capability evaluation system, and a personalized evaluation report is generated. According to the invention, comprehensive, objective and real-time evaluation of the emergency risk avoiding capability of the miner is realized, and the influence of human factors on the evaluation result can be reduced; the method can flexibly adapt to different environments and scenes through dynamic adjustment of the evaluation model, provides personalized evaluation reports and improvement suggestions, and effectively assists students in improving the emergency risk avoiding capability.

The invention discloses a production safety accident emergency disposal scheme intelligent generation method and system, and the method comprises the steps: obtaining the spatial-temporal characteristics of historical accident cases, calculating the correlation degree, building an accident prediction network based on the correlation degree, simulating uncertain factors, calculating the similarity between a current accident and the historical cases, determining the prior probability, and carrying out the accident development reasoning. The method comprises the steps of tracing accident hazard degrees of different production links, obtaining an cause chain, generating an emergency resource allocation strategy set by utilizing Markov decision, constructing target function optimization, obtaining an emergency disposal scheme, monitoring production process, equipment state and personnel configuration changes in real time, and dynamically adjusting the emergency disposal scheme to adapt to the changes. According to the method, the historical data, the graph neural network and the Markov decision are combined, accident prediction and emergency resource intelligent allocation are realized, the method can adapt to the change of a production environment in real time, the disposal efficiency and safety are improved, and meanwhile, the method has relatively good interpretability.

The invention belongs to the technical field of three-dimensional modeling systems, and particularly relates to an urban geological complex geologic body three-dimensional modeling system which comprises urban geological database construction, three-dimensional model construction and underground space resource development potential evaluation. The urban geology database construction comprises the steps that the database construction target is to establish an urban geology and underground space database; the system is positioned as a basic data center on which urban geology and underground space depend, a convergence place of various data required by accident emergency processing, an information management and control center of various geology and underground space built in the whole life cycle of a city, a data exchange hub and an auxiliary support data center. In the aspect of database construction, efficient management and comprehensive application of urban geological data are realized through standard architecture, classified storage, safety measures and a reasonable updating mechanism.

The invention discloses a dual-stage resource reservation and scheduling system for vehicle networking sudden accident emergency calculation, and relates to the technical field of edge calculation and intelligent traffic. The system comprises a traffic situation sensing module, a risk prediction decision module, a resource pre-freezing execution module, a task grading analysis module and a hybrid scheduling optimization module. The system innovatively divides a traffic accident handling process into an early warning stage and a response stage: in the early warning stage, the system adjusts a resource reservation ratio of edge nodes based on traffic flow density and historical task load conditions; in a response stage, the system performs hierarchical scheduling according to task types and dependency relationships by using a mixed integer programming model and a priority perception strategy. Through an end-side cloud collaborative architecture and a resource reservation mechanism, the system can significantly improve the task processing efficiency under emergencies and reduce the response time delay of high-priority tasks, has good expansibility and practicability, and is suitable for various vehicle networking application scenes such as intelligent expressways and urban traffic.

The invention discloses a nuclear accident emergency three-layer coupling network model and a construction method, and relates to the crossing field of nuclear accident emergency management and complex system risk simulation. The nuclear accident emergency three-layer coupling network model comprises an RMN layer which is used for simulating the dynamic diffusion process of radionuclides leaked by a nuclear accident in the atmosphere; the IN layer is used for constructing a spatial distribution and dependency relationship network of infrastructures; the EN layer is used for topologically defining a command or cooperation relationship of the emergency organization; according to the three-layer network coupling mechanism, when RDR of a middle grid is larger than or equal to RDRmax-1, IN-layer nodes in the middle grid at the same position are marked to be in a damaged state; and quantifying the bidirectional dependence density of the IN layer and the EN layer through the coupling strength epsilon. The method is used for predicting the direct risk of radioactive contamination in a nuclear accident and the secondary risk caused by emergency evacuation, revealing the risk evolution law, quantifying the risk diffusion scale, determining key influence factors, and providing a theoretical basis for formulating an emergency strategy.

The invention provides a mine safety virtual practical training system, which comprises a virtual environment construction module for constructing a highly realistic virtual mine scene according to a real mine operation environment by using a virtual reality technology; the man-machine interaction module is used for realizing interactive operation between the student and the virtual scene, including simulation of operation equipment and simulation of accident emergency disposal; the safety knowledge learning module is used for providing theoretical knowledge learning related to mine safety; and the practical operation module is used for carrying out practical operation in the virtual scene and simulating various operations in the actual mine production process. The comprehensive, efficient and safe mine safety training environment is provided for trainees through fine three-dimensional modeling, rich man-machine interaction modes, comprehensive safety knowledge content and highly simulated practical operation tasks.

The invention provides a traffic accident emergency response method and system based on vehicle state perception, and relates to the technical field of intelligent traffic, and the method comprises the steps: deploying a vehicle-mounted sensor and roadside perception equipment, and collecting and obtaining vehicle state data and traffic environment data; constructing a traffic accident analysis index set, and analyzing the vehicle state data and the traffic environment data; building a traffic accident risk assessment model, assessing the traffic accident index parameter set, and outputting a traffic accident risk coefficient; triggering a target emergency response strategy; and analyzing the traffic accident index parameter set to obtain a target emergency strategy parameter, and carrying out accident emergency response processing. According to the method and the device, the technical problem of emergency response delay caused by inaccurate risk assessment of the traffic accident in a complex traffic situation in the prior art is solved, and the processing efficiency of the traffic accident is improved by comprehensively considering the multi-dimensional data, accurately assessing the risk of the traffic accident and automatically triggering the emergency strategy.

The invention discloses an accident emergency decision-making method of a chemical industry field knowledge graph enhanced large model. The method comprises the following steps: collecting historical accident case data, scene data and emergency field knowledge data of a chemical industry park in real time; constructing a chemical industrial park accident'scene-response 'domain ontology by using a seven-step method according to the collected chemical industrial park historical accident case data, scene data and emergency domain knowledge data; based on a chemical industry park accident scene-coping domain ontology, constructing a knowledge graph by adopting a graph database processing method, a natural language processing method and a large model extraction triple method; the reasoning ability of a large model is enhanced through entity relation information in a knowledge graph, and a reliable auxiliary emergency decision is quickly generated according to accident scene description. According to the invention, the large model is enhanced through the chemical industrial park emergency field knowledge graph, the accident auxiliary emergency decision is generated, and the accident emergency response efficiency of the chemical industrial park is improved.

The invention relates to the technical field of emergency management, and discloses a knowledge graph-based accident emergency plan generation method, which comprises the following steps of: calculating a betweenness centrality value of each original node in a basic emergency accident knowledge graph, and screening out isolated nodes according to the betweenness centrality value; traversing the basic emergency accident knowledge graph, acquiring original nodes which have no direct connection original edges with the isolated nodes, marking the original nodes as candidate nodes, and deducing whether a new potential entity relationship exists or not; when it is judged that the new relationship between the potential entities exists, the new relationship between the potential entities is mined, and a new relationship edge is created and added for the basic emergency accident knowledge graph according to the new relationship between the potential entities, so that the emergency accident knowledge graph is improved; the accident type or the accident condition is input into the improved emergency accident knowledge graph, and an emergency plan is automatically generated; according to the invention, the structure of the graph can be enriched, the overall integrity of the emergency accident knowledge graph is improved, and the generation accuracy of the emergency plan is enhanced.

The invention belongs to the technical field of nuclear power, and particularly relates to a nuclear power main steam isolation valve vibration state monitoring system and method based on multiple sensors. According to the nuclear power main steam isolation valve vibration state monitoring system based on the multiple sensors, the characteristic indexes capable of reflecting the equipment vibration intensity and the equipment state monitoring algorithm are constructed, the abnormal vibration can be timely and effectively alarmed, and the accident emergency response speed is increased; the invention provides an algorithm for converting a vibration signal into an audio signal, realizes online monitoring of vibration noise by using the collected vibration signal on the basis of not additionally adding a sensor, and saves the cost; the host of the system for monitoring the vibration state of the nuclear power main steam isolating valve is researched and developed, and the functions are integrated, so that on-site maintenance personnel can quickly operate, the continuous monitoring of the vibration noise of the main steam isolating valve is met, the manual detection requirement is reduced, the labor cost is saved, and the safety of a nuclear power station is improved.

The invention discloses a production safety accident emergency management system and method based on full life cycle risk assessment, and the system comprises a full life cycle risk assessment module which is used for achieving the risk dynamic assessment and visualization of a project, and obtaining a risk assessment result; the emergency preparation intelligent association and optimization module is used for establishing an association and driving mechanism of a risk assessment result, an emergency plan, an emergency resource and a training drill; and the closed-loop management and decision support module is used for integrating real-time data, quantitatively evaluating emergency efficiency and reversely driving risk evaluation and emergency preparation optimization. Dynamic risk assessment and whole-process coverage can be realized throughout the whole life cycle, an automatic association and driving mechanism of risk assessment results, emergency plans, emergency resources, training drilling and other preparatory activities is established, and a barrier of emergency preparation and risk assessment is broken through. And through systematized data flow, results of drill assessment and accident review are fed back to risk assessment and plan optimization links, so that a closed-loop management system is formed.

The utility model discloses a coal mine roof end face accident emergency device which comprises a chassis, a supporting assembly, a blocking and protecting plate, an alarm assembly and the like, the top of the blocking and protecting plate abuts against a roof of a roadway, and when the roof of the roadway under the mine deforms or deforms due to geological activities or other factors, the alarm assembly can give an alarm. When the roadway is in use, the pressure can be transmitted to the pressure measuring element connected with the blocking and protecting plate from the top plate of the roadway, so that the acousto-optic element sends out an acousto-optic alarm signal, the acousto-optic alarm signal is sent out when the top plate is unstable, nearby operators are warned to enter the danger avoiding space between the supporting piece and the chassis to wait for rescue, and the workers can be protected in the danger avoiding space; meanwhile, the alarm assembly continues to send a signal, an alarm signal is provided for rescue workers to accurately search and rescue the workers in distress, in the process, the emergency process and guarantee of intelligent early warning, danger avoiding and rescue calling are provided, the survival rate of the workers in distress is increased, and therefore the beneficial effects are achieved.

The invention relates to the field of emergency route planning, in particular to a coal mine accident emergency route automatic planning method which comprises the following steps: S1, acquiring first position information of each worker in a coal mine and mine tunnel information of a mine field in real time; s2, calculating a first escape route of each worker according to the first position information and the mine tunnel information; s3, judging whether congestion occurs or not according to the first escape route of each staff; if yes, entering the step S4; if not, marking the first escape route as a second escape route, and entering the step S5; s4, the congestion position is marked, and a second escape route is generated; according to the method, the phenomena that escape routes are overlapped when all the staff escape at the same time, the width in the mine tunnel is limited, congestion is likely to occur, and trampling is caused are considered, compared with a common escape route planning method, on the premise that it is guaranteed that all the staff escape to the safe position in the shortest time, the safety of the staff is guaranteed, and the safety of the staff is guaranteed. And the possibility of extra casualties is reduced.

The invention provides a nuclear emergency exercise auxiliary system and a nuclear emergency exercise method based on augmented reality, the system comprises a data layer, a business layer, a view layer, a function layer, a hardware layer and the like, the data layer defines a plurality of stages included in a nuclear accident emergency exercise process and operation of each stage through a configuration file; the data layer is also used for receiving an operation instruction from a server and executing a corresponding data operation based on the configuration file and the operation instruction; the business layer executes the corresponding business logic according to the data operation executed by the data layer; the business layer is used for deploying a nuclear accident scene model, and the nuclear accident scene model is a three-dimensional scene model restored according to various field scenes; the functional layer provides a nuclear radiation environment and a virtual-real combined environment of the nuclear accident emergency exercise according to the business logic executed by the business layer, so that a user can operate in a real environment and feel the change of a three-dimensional picture in an immersive manner from a visual angle, and emergency personnel can see a three-dimensional scene close to a real accident; and performing nuclear accident exercise in an immersive manner.

The invention relates to the technical field of automobiles, in particular to a vehicle accident rescue method. Based on the vehicle accident rescue method, under the condition that a vehicle determines to request rescue, if a vehicle-mounted accident emergency call system is detected to have a fault, rescue information related to the request rescue is sent to a background cloud through a mobile terminal which establishes communication connection with the vehicle based on a near field communication mode. Thus, under the condition that the vehicle-mounted accident emergency call system has a fault, it can be ensured that the rescue information related to the request for rescue is sent to the background cloud through the mobile terminal, so that rescue workers can obtain the rescue information in time to carry out rescue in time, and a user can be rescued in time.

The invention provides a battery thermal runaway accident inversion method and device, and relates to the technical field of energy storage system fault detection. The method comprises the steps that after a thermal runaway accident trigger signal is received, operation detection data and related early warning information in an accident tracing time window are acquired, and a thermal runaway accident early warning event table is generated according to the issuing time sequence of the early warning information. And meanwhile, drawing an accident operation detection data curve by combining the operation detection data. And mapping the operation detection data and the thermal runaway accident model to generate an accident evolution path diagram. And finally, the early warning event table, the operation detection data curve and the evolution path diagram are integrated to form a thermal runaway accident inversion report, and a basis is provided for operation and maintenance personnel to analyze accident reasons, grasp accident evolution laws and formulate prevention and control measures. According to the invention, the whole-process tracing and visual analysis of the thermal runaway accident of the battery can be realized, so that the safety management level and the accident emergency processing efficiency of the energy storage system are improved.

The invention discloses a nuclear accident dynamic safe operation time assessment method and system based on data fusion, relates to the technical field of nuclear radiation protection, and solves the technical problems that the safe operation time is not accurate enough and dynamic dose assessment is difficult in nuclear accident emergency response. According to the technical scheme, nuclear accident prediction data and site real-time monitoring data are fused, a data assimilation fusion algorithm and an intelligent analysis model are combined, the radiation dose and environmental conditions of an accident site are comprehensively evaluated, and safety operation time and risk levels of different areas are dynamically calculated and updated; by considering the building shielding effect and supporting the federated learning framework, the cooperative evaluation of multiple monitoring points is realized, so that the operation time evaluation precision and decision-making efficiency in the nuclear accident emergency response are greatly improved. Finally, operation suggestions can be fed back and updated in real time, and the real-time performance and accuracy of emergency command decisions are ensured.

The invention belongs to the technical field of nuclear emergency, and discloses a rapid analysis scheduling method for a nuclear accident emergency response stage, and the method comprises the steps: rapidly calling a database analysis result, displaying an accident situation, and generating a preliminary countermeasure suggestion in a rapid research and judgment stage at the initial stage of an accident; during nuclear accident emergency response, according to an accident state analysis result, a source item calculation result and a nuclear accident evaluation result, a corresponding emergency plan is quickly searched from a nuclear emergency plan library, and decision-making problem background data is provided to assist in making key points clear and modifying and perfecting a model, so that the nuclear accident emergency response is realized. Multidisciplinary knowledge such as a computer technology, management science and an artificial intelligence technology is comprehensively utilized, a nuclear emergency command decision technology based on knowledge engineering, a scheme is listed and other modes are established, an analysis result is displayed in a two-dimensional and three-dimensional geographic information system, and decision support is provided for commanders and professionals.

The present invention relates to a battery system and a multi-stage battery system with an accident emergency disposal function. The battery system with an accident emergency disposal function comprises: a shell, a cooling module and a battery; the shell is used to enclose the battery therein; the shell is provided with an accident smoke output interface; the cooling module comprises: a cavity, a smoke access pipeline, a smoke treatment unit and a smoke output structure; the cavity is used to store a working medium for cooling the accident smoke; the smoke access pipeline is connected to the accident smoke output interface and the smoke treatment unit; the smoke treatment unit is arranged in the working medium and covered by the working medium to cool down the smoke generated by the battery accident through the cooling module; the smoke output structure is used to discharge the smoke after the cooling treatment by the cooling module. The benefit of the present invention is that a large amount of high-temperature smoke escaping from the battery module in the accident state can be centrally and quickly disposed of by the cooling module, eliminating the risk of secondary accidents caused by high-temperature smoke.

The utility model provides a large-scale release ammonia gas absorption system which comprises a primary absorber and a secondary absorber which are connected in series through an ammonia gas channel, a primary ammonia water tank and a secondary ammonia water tank which are respectively used for collecting products of the primary absorber and the secondary absorber, a water injection pipe and a collecting pipe for conveying ammonia gas. According to the technical scheme, the technical problem that the absorption capacity of an existing ammonia absorption system cannot cope with the large-release-amount ammonia gas generated when ammonia equipment of a large liquid ammonia storage tank is overhauled and purged, or a safety valve leaks internally, or accidents such as fire disasters and system overpressure occur is solved; the technical purpose of rapid and automatic switching between conventional normative ammonia water production and accident emergency treatment absorption is achieved, and the technical defects that in the prior art, due to insufficient absorption capacity, the operation mode is single, and functions are incomplete are overcome.

The utility model relates to the technical field of reading lamp switches, in particular to an automobile reading ceiling lamp switch with an SOS function, which comprises a panel, a mounting groove is arranged on the outer wall of one side of the panel, a lampshade is clamped and fixed in the mounting groove, an SOS button is arranged on the outer wall of one side of the panel, a fixing groove is arranged in the middle of the SOS button, and the fixing groove is fixedly connected with the panel. A light guide body is arranged in the fixing groove, and a reading lamp assembly is arranged on one side of the panel. According to the utility model, when an emergency accident occurs in a vehicle, the SOS button is installed on the SOS button sliding block, the SOS button sliding block is installed on the panel through the buckle, the SOS button sliding block can slide up and down on the panel, and the SOS button is pressed to enable the SOS button sliding block to press the microswitch on the PCB to enable the circuit to be switched on or switched off, so that signal output is realized; therefore, people in the vehicle can get in contact with outside rescue workers in the first time, and the rescue success rate is increased.

The invention discloses a chemical industry park accident wastewater emergency treatment system, which comprises a data acquisition system, a first communication module, a data processing center, an alarm module and a display module, the data acquisition system transmits collected data to the data processing center in real time through the first communication module, and the data processing center processes the received data, displays the data in real time through the display module and stores the data; when the data processing center finds that a certain data is greater than the corresponding preset data, the data processing center controls the alarm module to give an alarm on site so as to remind on-site monitoring personnel, and meanwhile, the data processing center actively searches the stored processing results and displays the processing results of similar alarm reasons on the display module so as to remind the monitoring personnel of the on-site monitoring personnel. The reference is provided for on-site monitoring personnel to process; according to the invention, intelligent real-time monitoring and early warning can be realized, an optimal processing scheme suggestion can be given, and safe emission is ensured.

The invention provides an oil depot accident emergency pool system which is characterized in that a remote control water inlet valve, a water surface sewage online monitor and a bolt camera are arranged in a front end valve well; a siphon, an oil containment boom, an oily water separation device and a liquid level display device are arranged in the oil tank; a remote control water outlet valve is arranged in the rear end valve well; a combustible oil gas concentration alarm device, a water quality monitoring device, a bolt camera and a water seal well are arranged in the observation well; the dome camera is arranged at a high position outside the accident emergency pool; the rear end of the siphon is connected with the rear-end valve well, the rear-end valve well is connected with the observation well through the drainage pipeline, and remote control and monitoring are achieved through the control system. The siphon in the accident emergency pool is combined with the remote control water outlet valve, automatic drainage and water storage functions are achieved, the water level in the emergency pool can be flexibly and accurately controlled under daily operation and emergency conditions by accurately controlling the opening degree of the valve, and the adaptability and reliability of the system are improved.

The utility model discloses a mobile power frequency withstand voltage test vehicle, which comprises a vehicle body, a mounting rack and a high voltage generator, the mounting rack is mounted on the left side of the upper part of the vehicle body, a bidirectional threaded rod is mounted in the middle of the interior of the mounting rack, the bidirectional threaded rod is rotatably connected with the mounting rack, and the high voltage generator is mounted on the mounting rack. And a sliding rod is installed on the left side of the two-way threaded rod, an upper contact plate is installed on the upper portion of the right side of the two-way threaded rod, and conductive rods are symmetrically arranged on the lower portion of the upper contact plate. The device is provided with a connecting sleeve, a contact sleeve, a first spring, a second spring, a rebound plate and an electromagnet, so that the device can be powered off when a fault or an emergency accident occurs, the use safety of the device is improved, moreover, a mounting frame, a bidirectional threaded rod, an upper contact plate and a conductive rod are matched for use, the automation level of the device is improved, and the use safety of the device is improved. And the device can realize automatic power-off.

The utility model relates to the technical field of nuclear power plant accident emergency, and discloses a nuclear power plant leaking stoppage device which is used for pressing a leaking stoppage patch to a leaking point of equipment to be subjected to leaking stoppage. The executing mechanism is connected with the positioning mechanism and used for pressing a leaking stoppage patch, and the connecting mechanism is connected with the positioning mechanism and used for being connected with equipment to be subjected to leaking stoppage. The executing mechanism comprises a transmission rod which is installed on the positioning mechanism and can move in the height direction of the positioning mechanism, a driving piece which is in driving connection with the transmission rod, a moving shaft which is in transmission connection with the transmission rod, and an auxiliary jacking rod which is connected to the moving shaft and used for making contact with the leaking stoppage patch. The device for the leakage stoppage of the nuclear power plant can effectively solve the problem that leakage points cannot be completely eliminated at a time in the past under-pressure leakage stoppage process, the safety of personnel can be guaranteed in the overhaul process, the overhaul efficiency is greatly improved, the device is simple in structure and high in practical value, the labor intensity of operators is reduced, and the safety risk in the leakage stoppage overhaul process is avoided.

The invention provides a complex underlying surface atmospheric wind field optimization method and system. The method comprises the steps of building a wind tunnel, obtaining flow field data, converting the flow field data into a meteorological station file, assimilating the meteorological station file to a CALMET diagnosis wind field, quantitatively evaluating a wind field interpolation point distribution scheme, and optimizing the CALMET diagnosis wind field. Actual meteorological station data are collected, wind field diagnosis is carried out on the target plant site through the CALMET diagnosis wind field, and a diagnosis result is obtained; establishing an underlying surface model of the target factory site, and extracting wind direction and wind speed data of a point distribution position; and fusing the wind direction and wind speed data of the point distribution position and the actual meteorological station data, inputting the data into a CALMET diagnosis wind field, and obtaining an output. According to the method, three-dimensional NS equation numerical solution is carried out on a local complex underlying surface, and high-resolution flow field data is obtained, so that the problem of how to predict the complex underlying surface more accurately in a nuclear accident emergency scene is solved.

The invention discloses a gas explosion accident emergency resource scheduling optimization method, system and device based on an improved particle swarm optimization algorithm, and a medium, and the method comprises the following steps: constructing a gas explosion region emergency resource scheduling model, determining a target function with the minimization of rescue time as a target, and setting a constraint condition; carrying out model particle swarm parameter initialization, and mapping each particle into an effective task sequence by adopting a position-based mapping method so as to form an initial population representing a rescue scheme; a greedy heuristic algorithm is combined with an improved particle swarm algorithm to solve the gas explosion area emergency resource scheduling model, the greedy heuristic algorithm obtains a local optimal solution of a target function through iterative search, the improved particle swarm algorithm finds a global optimal particle through algorithm iteration, and finally an optimal rescue scheme and a corresponding target value are obtained. According to the algorithm, emergency resource scheduling of the gas explosion accident is optimized, and the timeliness of emergency response and the rescue efficiency can be remarkably improved.