390 results about "Fire spread" patented technology

The invention discloses an intelligent fire-fighting AI collaborative early warning system and method fusing GIS and multi-source data, and relates to the technical field of fire-fighting safety, and the system comprises a GIS space modeling module which is used for constructing a digital twinborn model through integrating a building BIM model, fire-fighting facility distribution, a population density thermodynamic diagram, sensing equipment layout and real-time environment data; the multi-source data fusion module is used for integrating sensing equipment data, real-time environment data, meteorological information, manually reported hidden dangers and a historical fire case library, and outputting the data after standardization processing; the AI collaborative early warning engine module is used for accessing standardized data, realizing building fire dynamic risk assessment and outputting graded warning information; the 3D simulation drilling platform is used for calling the digital twinborn model, receiving graded alarm information and supporting fire spreading simulation, emergency drilling and plan optimization; and the block chain evidence storage module is used for storing alarm information and drill records. According to the invention, risk assessment and accurate prediction of the fire hazard can be realized.

The invention discloses a coal mine goaf fire monitoring method and system based on multi-source data fusion, and relates to the technical field of coal mine goaf fire monitoring, and the method comprises the steps: collecting the concentration, concentration and air pressure of each wireless sensing node in a coal mine goaf in real time; according to the concentration of each node, a dual-parameter dynamic coupling gradient field traceability algorithm of fusion / gas expansion and chemical reaction mechanism is adopted to calculate a fire source coordinate; performing anomaly detection according to the concentration of each node, and positioning an air leakage point by adopting a three-dimensional oxygen concentration gradient field positioning algorithm and combining air pressure compensation for an oxygen concentration anomaly point; based on goaf point cloud data, a goaf three-dimensional grid model is constructed, and a fire source spreading path, an air leakage channel and gas concentration distribution are dynamically and visually displayed in combination with multi-source monitoring data and fire source and air leakage point positioning results. The goaf fire prevention and control system can achieve all-around prevention and control of goaf fire.

The invention belongs to the technical field of forest disaster monitoring and early warning, and particularly discloses and provides a forest fire spreading prediction method based on multi-dimensional features, which comprises the following steps: dividing a target area into grid units, collecting an infrared thermal imaging data sequence through an unmanned aerial vehicle, dynamically evaluating fire intensity indexes of the grid units, and predicting the fire intensity indexes of the grid units. Identifying each fire spreading path, evaluating the spatial proximity of each grid unit relative to the path, marking a fire occurrence area, and determining the path intersection density in each grid unit; fusing the fire intensity index, the path space proximity and the path intersection density, calculating to obtain a comprehensive fire spreading risk index of each grid unit, and generating a forest fire spreading danger level zoning map based on the index; according to the method, the fire spreading risk of each grid unit is comprehensively evaluated by fusing the fire intensity index, the path space proximity and the path intersection density, and refined and three-dimensional evaluation of the risk of the unburned area is realized.

The invention relates to the technical field of forest fire monitoring and power grid safety prevention and control, and discloses a fire scene spreading time sequence reconstruction method based on Doppler weather radar mountain fire echoes, which comprises the following steps: acquiring original data of the Doppler weather radar mountain fire echoes and carrying out quality control processing to obtain radar echo data; performing automatic segmentation of a smoke plume area on radar echo data by adopting an optimized Otsu-Unet network model, and extracting a centroid coordinate of a mountain fire echo area; a Kalman filtering algorithm is used and combined with external three-dimensional wind field data to predict a future motion trend of centroid coordinates of a forest fire echo region so as to reconstruct a continuous fire scene spreading time sequence voxel sequence; performing 3DTiles slicing processing on the fire scene spreading time sequence voxel sequence, and performing real-time rendering display on a power grid monitoring platform by using a WebGL technology; and obtaining an external expansion boundary of fire scene spreading based on the fire scene spreading time sequence voxel sequence, and calculating the distance between the external expansion boundary and the power transmission line GIS data in real time. The fire prevention and control capability of the power transmission line of the power grid is improved.

The invention provides a chemical industrial park fire spreading prediction method and system. The method comprises the following steps: dividing a grid chart structure of a target chemical industrial park space structure into a plurality of function partition sub-graphs; determining a fire propagation flux of a shared node in an overlapping region between every two adjacent function zone sub-graphs, converting each function zone sub-graph into a macro-scale sub-graph, and determining a fire propagation macro-situation of the target chemical industrial park; according to the fire propagation flux and the fire propagation macroscopic situation, determining a fire front edge envelope line of each area, thereby constructing a fire propagation prediction model of the target chemical industry park, inputting fire initial environment data into the fire propagation prediction model, and outputting a fire propagation prediction result. And automatically triggering a fire alarm signal of the target park according to a fire spreading prediction result. By adopting the scheme of the application, the fire spreading of the target chemical industrial park can be predicted by combining the dynamic fire interaction among the areas in the target chemical industrial park.

The invention discloses a safety and disinfection integrated system based on AI analysis linkage control electromagnetic valves, and relates to the technical field of intelligent fire fighting, and the safety and disinfection integrated system comprises a flame detection camera, a network input and output module, a safety and disinfection integrated machine, an execution module and an acousto-optic alarm bell. According to the security and disinfection integrated system for linkage control of the electromagnetic valve based on AI analysis, the advanced AI visual recognition technology and an electromagnetic valve linkage control mechanism are deeply fused, the efficiency and the precision degree of fire safety management are greatly improved, flame characteristics are precisely recognized by means of a deep learning model, and the safety and disinfection effect is improved. The limitation that traditional fire behavior detection is easily influenced by environmental factors is broken through, the accuracy and reliability of fire behavior recognition are greatly enhanced, the system supports multi-modal data fusion, the confidence coefficient of fire behavior judgment is further improved, adjacent electromagnetic valves can be automatically started according to the position of a fire behavior in the linkage control link, an effective fire extinguishing isolation belt is constructed, and the fire extinguishing efficiency is improved. And fire spreading is effectively restrained.

The invention discloses a fire early warning cooperative system composed of a thermal imaging double-spectrum intelligent ball, an intelligent analysis platform and a fire extinguishing unmanned aerial vehicle, which is applied to the technical field of fire early warning, and comprises the thermal imaging double-spectrum intelligent ball, an integrated visible light sensor and a thermal imaging sensor, and a double-spectrum fusion monitoring technology is adopted to carry out omnibearing and all-weather monitoring; the intelligent analysis platform simulates a fire spreading path based on a fire spreading prediction model of a fluid dynamics and machine learning algorithm, generates a three-dimensional fire danger thermodynamic diagram, and completes a whole-process response from regional early warning to command center decision making to unmanned aerial vehicle cluster task distribution through a multi-level early warning mechanism; the fire extinguishing unmanned aerial vehicle adopts a multi-model collaborative operation system to meet the fire extinguishing requirements of different fire scenes. According to the invention, in a complex and changeable fire scene, the fire hazard can be quickly and accurately identified, and the efficient disposal of fire extinguishing operation is realized.

The invention belongs to the technical field of fire safety management, and particularly relates to an intelligent early warning method and system for fire safety management, and the method comprises the steps: obtaining multi-source fire sensor data; training a basic multi-modal fusion model according to the multi-source fire-fighting sensor data to obtain fire risk probability data, and meanwhile, generating sequential aligned continuous video frames through basic inter-frame feature matching; according to continuous video frames, space-time joint features are extracted by using a basic space-time convolutional network, local feature maps of flames and smog are generated in combination with a lightweight backbone network, a fire source key area is positioned, and a fire spreading direction and a fire spreading speed are analyzed to obtain a risk change trend; and based on the risk change trend, identifying a fire risk level through a lightweight classification model, carrying out risk scoring on the safety degree, and generating a thermodynamic diagram to mark a high-risk area. Therefore, the problems of insufficient multi-source data fusion depth, weak video analysis time sequence coherence, lack of visualization ability and the like in the prior art are solved.

The invention belongs to the technical field of early warning and alarming, and particularly discloses an Internet of Things fire-fighting facility early warning method and system based on data processing, and the method comprises the steps: collecting real-time temperature and smoke concentration data from each floor and a fireproof region of a high-rise building through a sensor network; performing initial spatial modeling on the acquired data by adopting a graph neural network to obtain an incidence matrix representing internal relation of adjacent regions; performing space segmentation processing on the acquired data according to the incidence matrix, and meanwhile, integrating a time segmentation mechanism to determine cross-regional boundary information reserved in the segmented data; if the temperature difference of adjacent areas in the segmented data exceeds a preset threshold value, analyzing time sequence change through a time sequence convolutional network, and judging a potential fire diffusion direction; the invention aims to solve the problems of inaccurate prediction diffusion direction and slow cross-floor linkage response caused by difficulty in capturing space correlation and time dynamic change in real-time fire monitoring in a high-rise building in the prior art.

The present invention relates to a flame retardant fire extinguishing tape containing a flame retardant and fire extinguishing fluid microcapsules, and a method for manufacturing same. More specifically, the present invention relates to: a flame retardant fire extinguishing tape in which a fire extinguishing pad layer in which an acrylate oligomer, fire extinguishing fluid microcapsules, and a flame retardant are mixed is formed on a flame retardant adhesive layer; and a method for manufacturing same. The present invention relates to: a flame retardant fire extinguishing tape containing a flame retardant and fire extinguishing fluid microcapsules, wherein the fire spreading prevention effect of the fire extinguishing fluid microcapsules is improved by preventing the fire extinguishing fluid microcapsules from being rapidly gasified; and a method for manufacturing same.

The invention relates to the technical field of artificial intelligence and fire monitoring, and provides an underground pipe gallery fire extinguishing method and system.The fire extinguishing method comprises the steps that a next behavior decision sequence is determined according to current fire behavior spreading information, current fire behavior information, the respective current fire extinguisher position of at least one target fire extinguisher and the current ignition point position of an ignition point; generating a next control instruction according to the next behavior decision sequence; a next behavior decision sequence is sent to the movable sliding rails where the at least one target fire extinguisher is located, and the next behavior decision sequence is used for controlling the movable sliding rails where the at least one target fire extinguisher is located to slide along the fixed rail according to the next driving parameter indicated by the next motion control parameter. And driving the at least one target fire extinguisher to slide, so that the at least one target fire extinguisher extinguishes the ignition point.

The invention relates to the technical field of fire disaster simulation, and discloses a fire disaster emergency simulation method and system based on scene digital twinning. The method comprises the following steps: acquiring spatial topological data of a target building through a three-dimensional laser scanning technology, and constructing a geometric model and a thermodynamic attribute model of the digital twin of the building in combination with temperature gradient distribution data acquired by a thermal imaging sensor; according to fire source diffusion mode data in a historical fire case library, pyrolysis kinetic parameters of different materials are extracted, and a fire spread probability matrix is established; inputting real-time meteorological monitoring data into the thermodynamic attribute model, and calculating a dynamic coupling relationship between a temperature field and a smoke concentration field in the building; and generating a fire scene evolution path set based on the fire spreading probability matrix and the dynamic coupling relationship, and outputting a traffic capacity attenuation curve of the key escape node. According to the method, accurate simulation and dynamic evolution prediction of a fire scene are realized, and scientific support is provided for fire emergency decision and personnel evacuation planning.

The invention discloses a forest fire intelligent early warning system, and the system comprises a fire image data collection module which collects fire image data and fire video data; the data preprocessing module is used for carrying out self-adaptive normalization processing on the collected fire picture data and fire video data; the YOLOv5 image recognition model is used for deploying a lightweight YOLOv5 model through edge calculation to judge whether the fire in the collected fire picture data and the fire video data is true or not; the AI large model performs real-time analysis and calculation according to a locally integrated large language model and a built-in knowledge base, and automatically outputs a forest fire emergency response scheme; the Rothermel model fire spreading prediction module is used for predicting a fire spreading path based on a Rothermel surface fire spreading model; the output display module is used for constructing a three-dimensional fire scene based on a visual data platform and displaying a prediction result; and the data storage module is used for storing fire picture data, fire video data and prediction related data in the process from occurrence to extinguishment of the fire.

The utility model relates to the technical field of commodity shelves and discloses a stacked metal commodity shelf which comprises a base, a top plate, a plurality of vertically-arranged supporting rods and a plurality of partition plates, the two ends of each supporting rod are fixed to the upper surface of the base and the lower surface of the top plate respectively, and the partition plates are located among all the supporting rods. The partition plate is fixedly connected with the supporting rod; the monitoring module is used for monitoring a fire disaster, and the monitoring module is arranged on one of the partition plates; the cross section of the fireproof curtain is of a rectangular-ambulatory-plane structure, the top of the fireproof curtain is fixed to the lower surface of the top plate, and all the supporting rods and the partition plates are located in the fireproof curtain; and the control assembly is used for controlling descending of the fireproof curtain. According to the storage rack, fire disasters can be accurately monitored in time, fire behaviors are rapidly and effectively prevented from spreading to other storage racks by arranging the fireproof curtains and the protection assemblies, the risk of fire diffusion is reduced, and the response speed and reliability of emergency situations are improved.

The utility model discloses an electric dressing basket fire-fighting system for a coal mine, which is characterized in that a ceiling of a dressing room is divided into a plurality of protection units, a plurality of liftable dressing baskets and a fire-fighting device are hung in each protection unit, and the dressing baskets in each protection unit are adjacently arranged; the fire-fighting device is hung on the ceiling in the middle of each protection unit, the fire-fighting device comprises a fire detector and an automatic fire extinguisher, a lifting driving device is fixed on the ceiling above each dressing hanging basket, a control host is arranged in the dressing room, and the lifting driving device, the fire detector and the automatic fire extinguisher are all electrically connected with the control host; the ceiling of the changing room is further provided with a flame-retardant top plate, and the bottoms of the multiple changing hanging baskets are matched with the flame-retardant top plate to form a changing room ceiling. A fire is found in time through the fire detector, the control host is linked with the fire detector and the clothes changing hanging basket to enable the clothes changing hanging basket to descend, meanwhile, a fire extinguisher in the protection unit is linked to conduct automatic fire extinguishing, and fire spreading is effectively prevented.

The utility model relates to a vehicle fire extinguishing cover which comprises a hanging frame located over a parking space and a fire extinguishing cover body installed in the hanging frame, a plurality of sleeve rods extend out of the bottom of the hanging frame, a plurality of rope penetrating holes are formed in the outer ring of the fire extinguishing cover body, the sleeve rods and the rope penetrating holes are bound through ropes, and a fixing rope is connected to the fire extinguishing cover body. The fixing rope is used for fixing the fire extinguishing cover above a parking space, and one section of the fixing rope is connected with a rope cutter. According to the vehicle fire extinguishing cover structure, the fire extinguishing cover can be lowered between two vehicles when a new energy vehicle has a fire, and fire spreading is avoided.

The present invention relates to an open joint metal panel, a method of manufacturing the same, and an open joint exterior wall structure having seismic resistance, leakage and fire spread prevention functions. More specifically, the invention provides a double leakage blocking structure that includes a joint gasket and a watertight gasket, and a double leakage blocking structure that blocks some rainwater entering the interior of the open joint metal panel from entering the construction wall surface through the leakage blocking protrusion of the bracket and the anchor in the drainage guide and fire spread prevention panel, and allows water collected through the drainage guide and fire spread prevention panel to be discharged to the outside through the open joint metal panel and the drainage frame, thereby maximizing leakage performance. The invention relates to an open joint metal panel, a method of manufacturing the same, and an open joint exterior wall structure having seismic resistance, leakage and fire spread prevention functions. An open joint metal panel according to the present invention is characterized by comprising: a panel member having a side portion bent at each side and a panel fixing portion bent outwardly at the end of the side portion; a gasket fixing flange frame fixedly installed on the inner circumference of each side portion; and a watertight gasket fitted and coupled to the gasket fixing flange frame.

Disclosed is a digital twin platform provision system for detecting and responding to a fire in an installation region of electrical equipment in a nuclear power plant, which includes: a digital twin build unit for building an initial digital twin by digitally modeling target objects including equipment and subsidiary materials related to fire outbreak and damage spread; an attribute information application unit for applying fire reactivity information received from an outside and serves as attribute information about fire outbreak and spread factors to the initial digital twin, thereby building a digital twin; and a simulation information provision unit for generating simulation information, which is information about fire outbreak prediction, fire spread simulation upon fire break, and fire response and evacuation scenarios upon the fire break, by using the digital twin according to a user input and outputting the simulation information to a user terminal.

The utility model discloses a cable bridge structure which comprises a bridge body, an installation frame is installed on the outer side of the bridge body, lock openings are formed in the front face and the back face of the bridge body, a butt joint rod is integrally connected to one side of the bridge body, a lock catch is fixedly connected to the front face of the butt joint rod, and a bridge cover is installed on the top of the bridge body. A fixing frame is installed on the top of the bridge cover, a fire extinguishing tank is installed on one side of the fixing frame in a penetrating mode, an exhaust pipe is fixedly connected to the output end of the fire extinguishing tank, an electromagnetic valve is fixedly connected to one end of the exhaust pipe, a gas conveying pipe is fixedly connected to one side of the electromagnetic valve, and a power line is electrically connected to the output end of the electromagnetic valve. According to the cable bridge, a worker can conveniently mount and dismount the cable bridge through the lock opening, the butt joint rod and the lock catch, the bridge can automatically extinguish fire at the initial stage of the fire and prevent fire spreading through the fire extinguishing tank, the exhaust pipe, the electromagnetic valve and the fire detector, and therefore the safety of the bridge is improved.

The utility model relates to a fire and explosion integrated protection door belongs to the protection door field, for solving the crystallization that has not cleaned will be extruded between the door panel and the door frame sealing strip, not only will accelerate the aging, damage of sealing strip, reduce its service life, will also lead to the sealing is not strict, cannot effectively block the smoke and fire, high temperature and explosion shock wave, and then causes the fire spread, secondary explosion etc. accidental injury, seriously influence the fire and explosion core performance of protection door, can not satisfy the safety protection demand of the area of ship, a fire and explosion integrated protection door, including protection door main part, the door frame of rotation connection in the outside of protection door main part, through spring energy storage release drive rotary lever rotation, drive the scraper along the sealing strip inside profile fit rotation, thereby in the protection door closing process automatically removes the sea salt crystallization that adheres on the sealing strip, avoids the omission problem of artificial periodic cleaning, guarantees the air tightness and fireproof sealing performance of protection door.

The application discloses a fire-fighting robot operation management system, and relates to the technical field of program control.The system comprises an information input program and an information processing program, and further comprises a data analysis program.The data analysis program outputs a fire condition index, a fire development prediction index and an environmental risk level index based on cleaned fire condition related data, fire development data and environmental risk data.The application realizes multi-dimensional comprehensive evaluation of the state of a fire site through the fire condition index, realizes multi-dimensional coupling analysis of future fire spread through the fire development prediction index, and realizes dynamic and accurate evaluation of comprehensive environmental risk through the environmental risk level index.The weight is dynamically adjusted through a program upgrade component, the evaluation logic can be optimized according to real-time data or historical experience of different fire site scenes, the evaluation result is highly matched with the actual dangerous situation, the problem of rigid evaluation of the existing system is solved, and the adaptability and reliability of the system in a complex and changeable fire site environment are improved.

The present invention relates to a fire suppression composition and system designed to extinguish challenging fires, such as Class B fires involving lithium batteries as well as Class A, B, and D fire scenarios. The composition includes a mineral component, a water-based liquid propellant, and a synergistic blend of additives. This innovative combination enables the composition to float on liquid surfaces and adhere to burning materials, effectively suppressing and extinguishing fires. The composition's ability to form a barrier on burning materials prevents fire spread and re-ignition, making it highly effective for both vehicle fires and industrial settings. This advancement offers a versatile and robust solution to modern fire hazards, suitable for use in various delivery systems.

The utility model relates to the technical field of fire-fighting spraying, and discloses a novel fire-fighting spraying device which comprises a top cover, a box body is fixedly installed at the bottom of the top cover, installation grooves are formed in the bottom ends of the four faces of the box body, a spraying assembly is arranged in each installation groove, and each spraying assembly comprises an installation cylinder. The bottom end of the mounting cylinder is rotatably mounted on the inner wall of the mounting groove through a rotating shaft, a mounting pipe is fixedly inserted into the mounting cylinder, a water curtain nozzle is fixedly mounted at the bottom of the mounting pipe, a water conveying hose is fixedly mounted at the top of the mounting pipe, and a water inlet pipe is fixedly mounted at the top of the water conveying hose. Hindrance to escape people is reduced, and the practicability of the device is effectively improved.

The invention discloses an internet-based fire safety alarm device, which comprises an arranged support and an alarm box installed on the support, an object placing plate is arranged in the alarm box, a controller is installed on the object placing plate, a camera and a smoke sensor are installed below the alarm box, and the camera and the smoke sensor are connected with the alarm box. The camera and the smoke sensor are electrically connected with the controller, the controller is connected with a user side based on an internet module, and the controller is connected with a processing module. According to the fire safety alarm device based on the Internet, when the smoke sensor detects that the smoke concentration exceeds a set threshold value, the controller sends alarm information to the user side through the Internet module, the controller controls the smoke exhaust fan to be started, smoke generated by a fire is exhausted in time, and harm of the smoke to personnel is reduced; and the problem of cost increase caused by arrangement of a plurality of illumination structures is reduced, the controller controls opening of the related access control, personnel evacuation is facilitated, and meanwhile, the access control connected with the fire area is closed, so that fire spreading is prevented.

The invention discloses an intelligent fire monitoring and automatic fire extinguishing method and system in a highway steel structure canopy, and the method comprises the steps: obtaining multi-source sensing data of a fire scene through a dual-spectrum imaging device, and the multi-source sensing data comprises a video stream and a temperature distribution matrix; inputting a fire source position, a heat release rate, a wind field condition and a structure configuration into a fire evolution prediction model, dynamically simulating a fire behavior extension path and a heat intensity change, and calculating a fire source heat release intensity and a high-temperature spreading trend in combination with a temperature distribution matrix; and according to the fire source heat release intensity, the structural damage degree, the personnel distribution and the material value, a comprehensive priority ranking result is calculated, a fire extinguishing and rescue task scheduling strategy is generated, and fire extinguishing and rescue are performed.

The utility model relates to the technical field of mine belt conveyor protection, especially to a mine belt conveyor fire early warning monitoring system, it includes smoke transducer, the smoke transducer passes through installation mechanism and is installed on the belt conveyor, still install the PLC controller on the installation mechanism, the PLC controller is connected with the drive motor of belt conveyor and smoke transducer signal, still install the water spray pipe on the installation mechanism, the PLC controller is connected with the water pump signal of water spray pipe end portion. The present application has reduced the loss when the belt is on fire, reduced the fire spread and realized the effect of automatic fire extinguishing.

The application discloses a linkage type air purification system control method, which is suitable for general control or regulation systems, functional units of the systems, and monitoring or testing device technology fields of the systems or units. The method in the specification is used for cascading a fresh air system and a fire control system in a building, combining the two on the basis of respective functions, and realizing fire control and prevention of the building to which the two belong under the management of a general control device. The method can effectively locate a fire position, and take measures to avoid fire spreading to other rooms in a fire lasting process. The method can also discharge smoke generated by combustion to the outside on the basis of the determined fire position, which is beneficial to assisting personnel at the fire site to escape. The method in the specification can consider smoke spreading and open fire spreading respectively to formulate linkage strategies beneficial to user escape, and can avoid increasing fire loss.

The utility model relates to the technical field of smoke exhaust fireproof valves, and particularly discloses a smoke exhaust fireproof valve which is characterized in that mounting plates are arranged at the two ends of a frame respectively, and a containing space is formed in the frame; the executing mechanism is mounted on the outer side of the outer wall of the frame and is opposite to the accommodating space; two ends of the rotating shaft are rotatably connected with the frame, one end is connected with the executing mechanism, and the other end extends into the accommodating space; the valve plate is fixedly connected to the outer side of the outer wall of the rotating shaft and matched with the inner wall face of the frame in shape. The baffle is contracted in the wall face of the frame, so that the smoke exhaust channel is completely unblocked, the smoke exhaust effect is greatly improved, it is ensured that smoke and the like can be smoothly and efficiently exhausted through the smoke exhaust channel in the scene where smoke needs to be exhausted, it is ensured that the valve plate can be tightly closed when the fireproof and smoke-proof requirements are met, smoke and fire spreading is effectively blocked, the high efficiency of smoke exhaust is ensured, and the smoke exhaust effect is improved. And the fireproof and smoke-proof reliability is improved.

The invention includes an air mover device used for fire mitigation and protection. The core component is an air mover unit whose discharge airstream can be positioned using air rudders and / or a directional control assembly to provide air flows in optimum directions and capacity to counter unwanted fire progression or to promote fires in cases of back-burns. Additional support components include a power supply, its fuel source, a speed control mechanism for the air mover, an air mover inlet protective screen, a sparger unit to impart suppressant or retardant into the airstream, balancing feet, a removable nozzle, and instrumentation and controls to ensure function and safety of equipment and personnel. This device can be on a static or mobile platform, towed or self-propelled and can be locally or remotely controlled.

The invention discloses a dynamic hazard source identification and safety path generation method for a fire scene in the technical field of data processing for a prediction purpose, and relates to the technical field of data processing for the prediction purpose. Multi-source heterogeneous data is collected in real time through a multi-dimensional sensor network, and a multi-modal state snapshot is formed; immediately, a Bayesian network model trained by mass scenes accurately identifies a fire source event based on key features of the snapshot, and dynamically loads a matched dynamic control equation according to the fire source event; the dynamic control equation is positively solved by an embedded physical information neural network by taking real-time data as a boundary condition, a core dynamic vector containing a fire spreading speed and a poison gas generation speed is output, and a fire digital twinborn model coupled with a building information model is driven; the minute-level evolution process is compressed to the second-level evolution process through parallel computing to complete prediction, a high-precision three-dimensional risk map capable of accurately simulating a nonlinear and jumping diffusion mode under the influence of an obstacle is generated, and the prediction speed and accuracy are improved.