CN-122021077-A - Industrial enterprise typical fire scene construction system based on multi-source data fusion

CN122021077ACN 122021077 ACN122021077 ACN 122021077ACN-122021077-A

Abstract

The application relates to the technical field of industrial safety monitoring, in particular to an industrial enterprise typical fire scene construction system based on multi-source data fusion, which provides the following scheme that the system acquires multi-source data such as building information models, image monitoring, equipment states, personnel and vehicle tracks and the like of factories, and identifying and extracting primitive sets representing the temporary state, and projecting the primitive sets to corresponding nodes and edges of the factory floor reference reachability graph to generate a limited reachability graph. The system combines emergency control targets, adopts direction-sensitive morphological calculation to determine passing and limited areas, screens executable action sequences meeting timeliness and safety constraints from a limited accessibility graph, constructs a control boundary of a fire scene, and realizes dynamic deduction and visualization of fire emergency response. The system can reflect traffic constraint changes in real time in a complex industrial environment, and improves the precision and reliability of emergency decision and fire disaster treatment.

Inventors

ZHANG JINFENG
LI CONGCONG
HUANG DONGMEI
HE HAO
ZHU KAIMING
LI WENJING

Assignees

浙江省应急管理科学研究院(浙江省安全生产技术检测检验中心、浙江省危险化学品登记中心)

Dates

Publication Date: 20260512
Application Date: 20260414

Claims (10)

1. The utility model provides a typical fire scene construction system of industry enterprise based on multisource data fusion, is applied to disaster prevention monitor platform, its characterized in that, disaster prevention monitor platform is used for refreshing the control boundary of fire scene and the real-time construction and the control of typical fire scene, disaster prevention monitor platform maintains a benchmark accessibility map, and the system includes: The multi-source data acquisition module is used for acquiring multi-source data related to the factory, wherein the multi-source data comprises text data, image data, track data and monitoring state data; The temporary state identification module is used for identifying and extracting primitive sets used for representing temporary states according to the multi-source data; The limited graph generating module is used for projecting the primitive set to corresponding nodes and edges of the basic reachability graph to generate a limited reachability graph; and the control boundary reasoning module is used for combining a preset emergency control target, screening an executable action sequence from the limited accessibility graph and obtaining a control boundary corresponding to the fire scene.
2. The industrial enterprise typical fire scene construction system based on multi-source data fusion according to claim 1, wherein the construction method of the reference reachability graph comprises the following steps: identifying fire-fighting facilities, channels, doors, stairs, valves, cutting devices and hazard sources in the factory based on the building information model, the fire-fighting system drawing and the equipment ledger data of the factory, and taking the fire-fighting facilities, the channels, the doors, the stairs, the valves, the cutting devices and the hazard sources as nodes of a reference accessibility graph; Establishing a communication relation between nodes according to a preset activity rule, and generating a corresponding edge, wherein the edge is used for representing an action path; Setting constraint parameters for each side according to a preset response rule, wherein the constraint parameters comprise geometric constraints, hydraulic constraints and operation method constraints, the geometric constraints are used for describing the clearance height, width, corner radius, gradient and passing distance of a channel, the hydraulic constraints are used for describing the pressure loss, flow capacity, minimum water supply pressure and injection range of a fire water supply network, and the operation method constraints are used for describing the number of people required by operation, operation sequence and safety conditions; The nodes, edges, and constraint parameters are stored as a benchmark reachability graph.
3. The industrial enterprise fire scenario construction system based on multi-source data fusion of claim 1, wherein the temporary status identification module comprises: the text analysis unit is used for carrying out semantic analysis on the overhaul work order, the temporary operation ticket and the locking registration record in the text data, identifying semantic entities matched with the occupation, the sealing, the energy removal, the width limitation, the height limitation and the displacement, extracting corresponding operation areas, facility identifications, starting time and ending time, and generating text primitives comprising space ranges and ageing properties; The image recognition unit is used for extracting the image data through a target detection algorithm to obtain an obstacle target, calculating the projection range and the height information of the obstacle target under a factory space coordinate system, and converting the projection range and the height information into geometric primitives representing temporary occupation and traffic limitation states; the track clustering unit is used for identifying a corresponding dense area through a clustering algorithm based on the vehicle positioning track and the personnel positioning track in the track data to generate track primitives; And the state event unit is used for detecting the opening and closing state change of the facility based on the opening and closing signals of the entrance guard, the roller shutter, the valve and the cutting device in the monitoring state data and generating a state primitive.
4. The industrial enterprise fire scenario construction system based on multi-source data fusion of claim 3, wherein the constrained graph generation module comprises: the space mapping unit maps the primitive set into a dynamic mask layer based on a factory space coordinate system so as to represent the distribution of occupied channels, closed, width-limited and height-limited barriers in space and time dimensions; The passing core calculation unit is used for obtaining anisotropic passing cores corresponding to all sides and matched with the directions according to the action characteristics corresponding to personnel passing, equipment transportation and water band laying, wherein the shape and the size of the anisotropic passing cores are determined by the clear width, the corner radius, the gradient and the minimum passing radius of the channel; The morphology calculation unit is used for carrying out morphology calculation on the dynamic mask layer and the anisotropic passing core to obtain a passing window opening layer, wherein the morphology calculation is judged to be non-passable in an overlapped area of the anisotropic passing core and the dynamic mask layer, and is judged to be passable in the non-overlapped area; And the reachability marking unit is used for projecting the windowing result of the passing windowing layer to nodes and edges of the reference reachability graph, and carrying out enabling, current limiting and disabling marking on the corresponding nodes and edges by combining the usability indexes of the passing windowing layer to obtain the limited reachability graph.
5. The industrial enterprise fire scenario construction system of claim 4, wherein the constrained graph generation module further comprises an update policy for dynamically adjusting the accessibility graph when a primitive set changes, the update policy further comprising mapping logic and decision logic, the mapping logic disposed within the spatial mapping unit, the decision logic disposed within the morphology calculation unit.
6. The industrial enterprise fire scenario construction system of claim 5, wherein the mapping logic is configured to: carrying out coordinate conversion and space alignment on space description information, position information and target coordinate information carried by each primitive in the primitive set; Generating corresponding graphic elements according to primitive types, and distributing effective time and ineffective time for each graphic element in a time dimension based on aging attributes to obtain a space-time mask sequence, wherein primitives belonging to occupying channels and sealing generate a sealing polygonal area, primitives belonging to limiting width and limiting height generate a semi-sealing polygonal area, and primitives belonging to barrier generate a volume area containing height information; and superposing and fusing the space-time mask sequences according to the space positions to obtain the dynamic mask layer.
7. The industrial enterprise fire scenario construction system of claim 5, wherein the decision logic is configured to: constructing a direction field for guiding morphological operation based on the anisotropic passing nucleus according to a factory space coordinate system, wherein the direction field is obtained by fusing the opening and closing states of an entrance guard and a roller shutter, the running states of ventilation and smoke exhaust equipment, wind speed and pressure difference monitoring data, the real-time track of vehicles and personnel and smoke plume flow clues; Based on the direction field and the action types of the sides, generating corresponding convection structure elements, wherein the convection structure elements are stretched along the main direction of the direction field and subjected to shape correction at corners; And according to the convection structural elements, carrying out corrosion and expansion operation on the dynamic mask layer along the streamline of the direction field to obtain a passing window opening layer, wherein when the barrier boundary of the dynamic mask layer is consistent with the main direction of the direction field, carrying out corrosion operation, and when the barrier boundary of the dynamic mask layer is inconsistent with the main direction of the direction field, carrying out expansion operation.
8. The industrial enterprise typical fire scene construction system based on multi-source data fusion of claim 7, wherein the corrosion and expansion operations are performed on the dynamic mask layer along the streamlines of the direction field according to the convection structure elements to obtain a traffic window layer, comprising: selecting flow line clusters adjacent to each side from the dynamic mask layer by taking the flow lines of the direction field as guidance; Sliding the streamline cluster through the convection structure elements, calculating the overlapping proportion of the convection structure elements and the barrier boundary for each sliding position to obtain a local impedance value, and determining whether the streamline cluster is downstream according to the local impedance value; If the flow line cluster is downstream, the sliding position is processed through corrosion operation and connection operation is carried out, so that a downstream passage is obtained; If the flow line cluster is in countercurrent, the sliding position is processed through expansion operation and buffer operation is carried out, so that a blocking range is obtained; and traversing all the flow line clusters, and carrying out fusion treatment on the downstream passage and the blocking range to obtain a passage window layer.
9. The industrial enterprise fire scenario construction system based on multi-source data fusion of claim 1, wherein the control boundary inference module comprises: The target analysis unit is used for analyzing the emergency control target based on an emergency response strategy library stored in the disaster prevention monitoring platform and determining the type, the priority and the time constraint condition of a target action, wherein the target action comprises water outlet coverage, valve cutting, isolation closing, spray starting and stopping and evacuation passing; a path screening unit, configured to screen, in the limited reachability graph, a candidate path set adapted to the type and priority according to enabling, limiting and disabling flags of nodes and edges, where the candidate path set is used to represent a spatial and sequential combination of executable action sequences; the optimization solving unit is used for searching the executable action sequences which have the minimum comprehensive cost and meet the time constraint condition in the candidate path set through a multi-objective optimization algorithm; And the boundary calculation unit is used for calculating parameters of a control boundary according to the executable action sequence and generating a control boundary model for constructing a fire scene.
10. The industrial enterprise fire scenario construction system of claim 9, wherein the parameters of the control boundaries comprise minimum executable time, minimum water supply flow, residual pressure margin, coverable space range, and corresponding unreachable areas.

Description

Industrial enterprise typical fire scene construction system based on multi-source data fusion Technical Field The application relates to the technical field of industrial safety monitoring, in particular to an industrial enterprise typical fire scene construction system based on multi-source data fusion. Background The existing industrial enterprise fire scene construction and disaster prevention decision system depends on static factory floor structural models or single sensor data, and lacks comprehensive expression of factory floor temporary states and multisource dynamic information, so that deviation exists between the generated fire scene and an actual emergency environment. Traditional fire simulation is mostly based on fixed channels and preset parameters, and cannot reflect non-structural constraints such as construction occupation, equipment maintenance, temporary sealing and the like, so that emergency passing path distortion is caused. The existing monitoring system can collect images and state data, but lacks a unified space projection and accessibility mapping mechanism, and is difficult to convert real-time obstacle, smoke flow or wind direction change into fire behavior constraint. In addition, the existing algorithm generally adopts an isotropic path searching or simple topology screening mode, and comprehensive factors such as traffic directionality, hydraulic limitation, operation method conditions and the like cannot be considered, so that a fire emergency dispatching result is not matched with field executability, and dynamic fire response and decision of a complex industrial factory are difficult to support. In order to solve the problems, the application designs an industrial enterprise typical fire scene construction system based on multi-source data fusion. Disclosure of Invention Aiming at the defects of the prior art, the application provides an industrial enterprise typical fire scene construction system based on multi-source data fusion, which is used for identifying and extracting primitive sets representing temporary states by acquiring multi-source data such as a building information model, image monitoring, equipment states, personnel and vehicle tracks of a factory, and projecting the primitive sets to corresponding nodes and edges of a factory reference reachability graph to generate a restricted reachability graph. The system combines emergency control targets, adopts direction-sensitive morphological calculation to determine passing and limited areas, screens executable action sequences meeting timeliness and safety constraints from a limited accessibility graph, constructs a control boundary of a fire scene, and realizes dynamic deduction and visualization of fire emergency response. In order to achieve the above purpose, the present application provides the following technical solutions: The utility model provides an industrial enterprise's typical fire scene construction system based on multisource data fusion, is applied to disaster prevention monitor platform, disaster prevention monitor platform is used for refreshing the control boundary of fire scene and the real-time construction and the control of typical fire scene, disaster prevention monitor platform maintains a benchmark reachability graph, and the system includes: The multi-source data acquisition module is used for acquiring multi-source data related to the factory, wherein the multi-source data comprises text data, image data, track data and monitoring state data; The temporary state identification module is used for identifying and extracting primitive sets used for representing temporary states according to the multi-source data; The limited graph generating module is used for projecting the primitive set to corresponding nodes and edges of the basic reachability graph to generate a limited reachability graph; and the control boundary reasoning module is used for combining a preset emergency control target, screening an executable action sequence from the limited accessibility graph and obtaining a control boundary corresponding to the fire scene. The construction method of the reference reachability graph comprises the following steps: identifying fire-fighting facilities, channels, doors, stairs, valves, cutting devices and hazard sources in the factory based on the building information model, the fire-fighting system drawing and the equipment ledger data of the factory, and taking the fire-fighting facilities, the channels, the doors, the stairs, the valves, the cutting devices and the hazard sources as nodes of a reference accessibility graph; Establishing a communication relation between nodes according to a preset activity rule, and generating a corresponding edge, wherein the edge is used for representing an action path; Setting constraint parameters for each side according to a preset response rule, wherein the constraint parameters comprise geometric constraints, hydraulic constraints and ope