Fire control room graphic display system and method

Abstract

The embodiment of the invention relates to the technical field of fire-fighting display, and particularly discloses a graphic display system and method for a fire-fighting control room. According to the embodiment of the invention, the method comprises the steps: obtaining the building three-dimensional models of a plurality of fire-fighting monitoring buildings, carrying out the real-time fire-fighting monitoring of the plurality of fire-fighting monitoring buildings, and obtaining the fire-fighting monitoring data; judging whether fire-fighting danger exists or not; when the fire-fighting danger does not exist, constructing a plurality of safety state models, and performing safety graphic display on the plurality of safety state models; when the fire-fighting danger exists, constructing a dangerous state model, and performing dangerous graph display on the dangerous state model; and carrying out safe evacuation planning, generating a safe evacuation route, and carrying out dynamic graphic display. According to the method, a plurality of safety state models can be constructed and safety graph display can be carried out when fire-fighting dangers do not exist, and when the fire-fighting dangers exist, dangerous state models can be constructed and dangerous graph display can be carried out, and safe evacuation routes can be generated and dynamic graph display can be carried out, so that effective help can be provided for fire-fighting commanding.

Description

Technical Field

[0001] The invention belongs to the technical field of fire display, and in particular relates to a fire control room graphic display system and method. Background Art

[0002] The fire control room is a special place equipped with automatic fire alarm control equipment and fire control equipment, which can receive, display and process fire alarm signals and control related fire facilities. It is an information command center for extinguishing fires using fixed fire facilities and the hub of the fire facility control center in the building. The management level of the fire control room determines the key to building safety and whether the building's fire facilities can play a role.

[0003] The fire control room graphic display is to display the location, status and operation of firefighting equipment in the building in real time through electronic graphics. In the prior art, the fire control room graphic display is usually relatively simple, unable to display different graphics according to different states such as fire safety and fire danger, and unable to display dynamic graphics of safe evacuation routes. Summary of the invention

[0004] The purpose of the embodiments of the present invention is to provide a fire control room graphic display system and method, aiming to solve the problems raised in the background technology.

[0005] To achieve the above objectives, the embodiments of the present invention provide the following technical solutions: A method for displaying a fire control room graphic, the method specifically comprising the following steps: Obtaining three-dimensional architectural models of multiple fire monitoring buildings, and performing real-time fire monitoring on the multiple fire monitoring buildings to obtain fire monitoring data; Analyze the fire monitoring data to determine whether there is a fire hazard; When there is no fire hazard, constructing a plurality of safety state models based on the plurality of three-dimensional building models, and performing safety graphic display on the plurality of safety state models; When there is a fire hazard, marking a dangerous building model from the plurality of three-dimensional building models, constructing a dangerous state model, and performing a dangerous graphic display on the dangerous state model; Based on the dangerous state model, safe evacuation planning is performed, a safe evacuation route is generated, and a dynamic graphic display of the safe evacuation route is performed.

[0006] As a further limitation of the technical solution of the embodiment of the present invention, the acquisition of the three-dimensional architectural models of multiple fire monitoring buildings, and the real-time fire monitoring of the multiple fire monitoring buildings, and the acquisition of fire monitoring data specifically include the following steps: Based on BIM technology, obtain the three-dimensional architectural models of multiple fire monitoring buildings; Conduct real-time smoke and temperature monitoring of multiple fire monitoring buildings to obtain smoke and temperature monitoring data; Conduct electrical safety monitoring on multiple fire monitoring buildings and obtain electrical monitoring data; The smoke and temperature sensing monitoring data and the electrical monitoring data are recorded and updated to obtain fire monitoring data.

[0007] As a further limitation of the technical solution of the embodiment of the present invention, the analyzing of the fire monitoring data to determine whether there is a fire hazard specifically includes the following steps: Import basic fire protection data; Comparing the fire monitoring data with the fire basic data to generate a fire comparison result; According to the fire comparison result, it is determined whether there is a fire hazard.

[0008] As a further limitation of the technical solution of the embodiment of the present invention, when there is no fire hazard, constructing multiple safety state models based on multiple three-dimensional building models, and performing safety graphic display on the multiple safety state models specifically includes the following steps: When there is no fire hazard, choose safety signs; According to the safety identification, the plurality of three-dimensional building models are optimized to construct a plurality of safety status models; Plan multiple safe display areas; In the plurality of safety display areas, a plurality of safety status models are displayed in safety graphics.

[0009] As a further limitation of the technical solution of the embodiment of the present invention, when there is a fire hazard, marking a dangerous building model from a plurality of the three-dimensional building models, constructing a dangerous state model, and performing a dangerous graphic display on the dangerous state model specifically comprises the following steps: When there is a fire hazard, choose a hazard sign; Performing risk location, marking a risky building model from a plurality of said three-dimensional building models; According to the danger identification, the dangerous building model is optimized to construct a dangerous state model; Planning of hazard display areas; In the danger display area, the danger state model is displayed in a danger graphic manner.

[0010] As a further limitation of the technical solution of the embodiment of the present invention, the safe evacuation planning based on the dangerous state model, generating a safe evacuation route, and dynamically displaying the safe evacuation route specifically include the following steps: Obtaining a basic safety route of the dangerous state model; Perform safe evacuation planning based on the basic safe route and generate a safe evacuation route; Get evacuation sign; According to the evacuation mark, the safe evacuation route is dynamically displayed in the dangerous state model.

[0011] A fire control room graphic display system, the system comprises a real-time fire monitoring unit, a fire risk judgment unit, a safety graphic display unit, a danger graphic display unit and an evacuation planning display unit, wherein: A real-time fire monitoring unit is used to obtain a three-dimensional building model of multiple fire monitoring buildings, and to perform real-time fire monitoring on the multiple fire monitoring buildings to obtain fire monitoring data; A fire risk judgment unit, used to analyze the fire monitoring data to judge whether there is a fire risk; A safety graphic display unit, used for constructing a plurality of safety status models based on the plurality of three-dimensional building models when there is no fire hazard, and performing safety graphic display on the plurality of safety status models; A danger graphic display unit is used to mark a dangerous building model from a plurality of said three-dimensional building models, construct a dangerous state model, and perform a danger graphic display on said dangerous state model when there is a fire hazard; The evacuation planning display unit is used to perform safe evacuation planning based on the dangerous state model, generate a safe evacuation route, and display the safe evacuation route in a dynamic graphic.

[0012] As a further limitation of the technical solution of the embodiment of the present invention, the safety graphic display unit specifically includes: A safety sign selection module is used to select a safety sign when there is no fire hazard; A safety model optimization module, used to optimize the plurality of three-dimensional building models according to the safety identification to construct a plurality of safety status models; A safety display area planning module is used to plan multiple safety display areas; The safety graphic display module is used to perform safety graphic display on the plurality of safety status models in the plurality of safety display areas.

[0013] As a further limitation of the technical solution of the embodiment of the present invention, the hazard graphic display unit specifically includes: A hazard sign selection module is used to select a hazard sign when there is a fire hazard; A danger location module is used to locate dangers and mark dangerous building models from a plurality of said three-dimensional building models; A danger model optimization module, used to optimize the dangerous building model according to the danger identification and construct a danger state model; Danger display area planning module, used to plan the danger display area; The danger graphic display module is used to display danger graphics for the danger state model in the danger display area.

[0014] As a further limitation of the technical solution of the embodiment of the present invention, the evacuation plan display unit specifically includes: A basic route acquisition module, used to acquire a basic safety route of the dangerous state model; A safe evacuation planning module, used to perform safe evacuation planning based on the basic safe route and generate a safe evacuation route; An evacuation mark acquisition module is used to obtain an evacuation mark; The evacuation dynamic display module is used to dynamically display the safe evacuation route in the dangerous state model according to the evacuation mark.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The embodiment of the present invention obtains fire monitoring data by acquiring the three-dimensional architectural models of multiple fire monitoring buildings and performing real-time fire monitoring on the multiple fire monitoring buildings; determines whether there is a fire hazard; when there is no fire hazard, constructs multiple safety state models and displays the multiple safety state models in safety graphics; when there is a fire hazard, constructs a dangerous state model and displays the dangerous state model in danger graphics; performs safe evacuation planning, generates safe evacuation routes, and performs dynamic graphic display. When there is no fire hazard, multiple safety state models can be constructed and displayed in safety graphics; when there is a fire hazard, a dangerous state model can be constructed and displayed in danger graphics, and a safe evacuation route can be generated and displayed in dynamic graphics, providing effective assistance for fire command. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention.

[0017] Figure 1 A flow chart of a method provided by an embodiment of the present invention is shown.

[0018] Figure 2 A flow chart of obtaining fire monitoring data in the method provided in an embodiment of the present invention is shown.

[0019] Figure 3A flow chart of determining whether a fire hazard exists in a method provided in an embodiment of the present invention is shown.

[0020] Figure 4 A flow chart of performing secure graphic display in a method provided by an embodiment of the present invention is shown.

[0021] Figure 5 A flow chart of performing hazard graphic display in the method provided by an embodiment of the present invention is shown.

[0022] Figure 6 A flow chart of dynamic graphic display in the method provided by an embodiment of the present invention is shown.

[0023] Figure 7 The application architecture diagram of the system provided by the embodiment of the present invention is shown.

[0024] Figure 8 The structure block diagram of the security graphic display unit in the system provided by the embodiment of the present invention is shown.

[0025] Fig. 9 The structure block diagram of the danger graphic display unit in the system provided by the embodiment of the present invention is shown.

[0026] Fig.10 The structure block diagram of the evacuation plan display unit in the system provided by the embodiment of the present invention is shown. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0028] It is understandable that the fire control room graphic display is to display the location, status and operation of the fire-fighting equipment in the building in real time through electronic graphics. In the prior art, the fire control room graphic display is usually relatively simple, and it is not possible to display different graphics according to different states such as fire safety and fire danger, and it is not possible to display dynamic graphics of safe evacuation routes.

[0029] To solve the above problems, the embodiment of the present invention obtains fire monitoring data by acquiring the three-dimensional architectural models of multiple fire monitoring buildings and performing real-time fire monitoring on the multiple fire monitoring buildings; analyzes the fire monitoring data to determine whether there is a fire hazard; when there is no fire hazard, builds multiple safety state models based on multiple building three-dimensional models, and displays the multiple safety state models in safety graphics; when there is a fire hazard, marks dangerous building models from multiple building three-dimensional models, builds a dangerous state model, and displays the dangerous state model in danger graphics; based on the dangerous state model, performs safe evacuation planning, generates safe evacuation routes, and displays the safe evacuation routes in dynamic graphics. It is possible to build multiple safety state models and display safety graphics when there is no fire hazard, build a dangerous state model and display danger graphics when there is a fire hazard, and generate safe evacuation routes and display them in dynamic graphics, providing effective assistance for fire command.

[0030] Figure 1 A flow chart of a method provided by an embodiment of the present invention is shown.

[0031] Specifically, a fire control room graphic display method, the method specifically comprises the following steps: Step S101, obtaining three-dimensional architectural models of multiple fire monitoring buildings, and performing real-time fire monitoring on the multiple fire monitoring buildings to obtain fire monitoring data.

[0032] In an embodiment of the present invention, multiple fire monitoring buildings are determined, BIM data of the multiple fire monitoring buildings are obtained, and architectural three-dimensional models of the multiple fire monitoring buildings are extracted from the multiple BIM data. Real-time smoke and temperature monitoring is performed on the multiple fire monitoring buildings to obtain smoke and temperature monitoring data. Electrical safety monitoring is performed on the multiple fire monitoring buildings to obtain electrical monitoring data. According to a preset data processing cycle, the smoke and temperature monitoring data and electrical monitoring data are recorded and updated to obtain fire monitoring data, thereby realizing continuous fire monitoring of multiple fire monitoring buildings.

[0033] Specifically, Figure 2 A flow chart of obtaining fire monitoring data in the method provided in an embodiment of the present invention is shown.

[0034] Among them, in the preferred embodiment provided by the present invention, the acquisition of the three-dimensional architectural models of multiple fire monitoring buildings, and the real-time fire monitoring of the multiple fire monitoring buildings, and the acquisition of fire monitoring data specifically include the following steps: Step S1011, based on BIM technology, obtaining a plurality of fire monitoring buildings' three-dimensional building models; Step S1012, performing real-time smoke and temperature monitoring on multiple fire monitoring buildings to obtain smoke and temperature monitoring data; Step S1013, performing electrical safety monitoring on multiple fire monitoring buildings to obtain electrical monitoring data; Step S1014, recording and updating the smoke and temperature sensing monitoring data and the electrical monitoring data to obtain fire monitoring data; Specifically, after the step of performing real-time smoke and temperature sensing monitoring on multiple fire monitoring buildings and obtaining smoke and temperature sensing monitoring data, the method further includes: Processing the smoke and temperature sensing monitoring data to obtain a comprehensive index for evaluating the safety of the environment; The calculation and determination of the comprehensive index specifically includes the following sub-steps: Determine the total time period for which continuous smoke and temperature monitoring will be conducted; During the total time period, the smoke concentration measurement values ​​measured by the smoke sensor at each time point are collected; Multiply each smoke density measurement value by the corresponding exponential decay factor to obtain an attenuated smoke density measurement value, and then square each attenuated smoke density measurement value to obtain a processed smoke density measurement value; All processed smoke density measurements are first squared and summed, and then the average is calculated to obtain the average value of the smoke density measurements; Take the square root of the average value of the smoke concentration measurement to get the comprehensive smoke perception index; During the total time period, the temperature measurement values ​​measured by the temperature sensor at each time point are collected; Square each temperature measurement to obtain a processed temperature measurement; All processed temperature measurement values ​​are summed up and then averaged to obtain the average value of the temperature measurement values; Logarithmic transformation is performed on the basis of the average value of the temperature measurement value to obtain the comprehensive temperature perception index; Multiply the comprehensive smoke index and comprehensive temperature index by the corresponding weight coefficients, and then add the exponentials to obtain the comprehensive index.

[0035] Furthermore, the fire control room graphic display method further comprises the following steps: Step S102: Analyze the fire monitoring data to determine whether there is a fire hazard.

[0036] In an embodiment of the present invention, by importing basic fire data (the basic fire data includes smoke, temperature, and electrical status values ​​in a fire hazard state), the fire monitoring data is compared with the basic fire data to generate a fire comparison result. Based on the fire comparison result, it is determined whether there is a fire hazard. Specifically: when the fire monitoring data reaches the smoke, temperature, or electrical status values ​​in a fire hazard state, it is determined that there is a fire hazard; when the fire monitoring data does not reach the smoke, temperature, or electrical status values ​​in a fire hazard state, it is determined that there is no fire hazard.

[0037] Specifically, Figure 3 A flow chart of determining whether a fire hazard exists in a method provided in an embodiment of the present invention is shown.

[0038] Among them, in the preferred implementation manner provided by the present invention, the analyzing of the fire monitoring data to determine whether there is a fire hazard specifically includes the following steps: Step S1021, importing basic fire protection data; Step S1022, comparing the fire monitoring data with the fire basic data to generate a fire comparison result; Step S1023, judging whether there is a fire hazard according to the fire comparison result; Specifically, the fire monitoring data is compared with the fire basic data to generate a fire comparison result, and the specific steps include the following sub-steps: The complex difference assessment value is calculated by fire monitoring data and fire basic data; Determine the deviation between the fire monitoring data and the fire basic data according to the complex difference evaluation value, so as to obtain the fire comparison result; The method for calculating and determining the complex difference evaluation value includes the following steps: Find the minimum value and the maximum value of the target monitoring item from the fire monitoring data; The difference of the target monitoring item is obtained by the minimum value of the target monitoring item and the maximum value of the target monitoring item; Calculating a first difference between each value in the target monitoring item and the minimum value of the target monitoring item, and then normalizing the first difference to obtain a normalized target monitoring value; Based on each group of normalized target monitoring values ​​and the corresponding fire basic values ​​in the fire basic data, a normalized second difference value is calculated; By performing a square operation on the normalized second difference value, an intermediate square value is obtained; Preset the weight value of the normalized difference according to the temperature and smoke concentration; Multiply the intermediate square value by the weight value of the normalized difference to obtain the weighted value of the square value; Based on the weighted values ​​of multiple square values, the complex difference evaluation value is obtained by weighted Euclidean distance calculation.

[0039] Furthermore, the fire control room graphic display method further comprises the following steps: Step S103, when there is no fire hazard, construct a plurality of safety status models based on the plurality of three-dimensional building models, and perform safety graphic display on the plurality of safety status models.

[0040] In an embodiment of the present invention, when there is no fire hazard, a safety sign (which can be a green sign) is selected, and the three-dimensional model of the building is monitored, positioned and analyzed to determine multiple monitoring positions. At the multiple monitoring positions, the safety sign is safety marked, and multiple corresponding safety status models are constructed. According to the size and position of multiple fire monitoring buildings, multiple safety display areas are planned in a preset graphic display area, and then at the multiple safety display areas, safety graphics are displayed for multiple safety status models, and the safety graphics are displayed as static displays.

[0041] Specifically, Figure 4 A flow chart of performing secure graphic display in a method provided by an embodiment of the present invention is shown.

[0042] Among them, in the preferred embodiment provided by the present invention, when there is no fire hazard, constructing multiple safety state models based on multiple three-dimensional building models, and performing safety graphic display on the multiple safety state models specifically includes the following steps: Step S1031, when there is no fire hazard, select a safety mark; Step S1032, optimizing the plurality of three-dimensional building models according to the safety identification to construct a plurality of safety status models; Step S1033, planning multiple safe display areas; Step S1034, performing security graphic display on the plurality of security status models in the plurality of security display areas; Specifically, according to the safety mark, the plurality of three-dimensional building models are optimized, and the specific steps are as follows: Determine the volume of the original building 3D model; At each position of the original building three-dimensional model, the sine value of the position point is calculated by the structural integrity function; at each position of the original building three-dimensional model, the absolute value of the load of the position point is calculated by the load distribution function; Divide the sine value of the position point by the absolute value of the load at the position point to obtain the adjustment structure influence value; Integrate the adjusted structural impact value within the volume range of the entire original building three-dimensional model to obtain the integral of the structural integrity impact, wherein each integral of the structural integrity impact corresponds to a unique structural integrity impact weight; In the volume of the original building 3D model, the divergence of the structural integrity gradient is calculated for each location point; The divergence of the structural integrity gradient at each position point is squared and the obtained result is integrated to obtain the integral of the structural change effect, wherein each integral of the structural change effect corresponds to a unique weight of the structural change effect; The integral of the structural integrity impact is multiplied by the weight of the structural integrity impact to obtain a structural integrity weighted value; the integral of the structural change impact is multiplied by the weight of the structural change impact to obtain a structural change weighted value; The weighted value of structural integrity and the weighted value of structural change are added to obtain the optimized volume of the building three-dimensional model.

[0043] Furthermore, the fire control room graphic display method further comprises the following steps: Step S104, when there is a fire hazard, marking a dangerous building model from the plurality of three-dimensional building models, constructing a dangerous state model, and performing a dangerous graphic display on the dangerous state model.

[0044] In an embodiment of the present invention, when there is a fire hazard, a hazard sign (which may be a red sign) is selected to locate the hazard, a dangerous building model is selected and marked from multiple building three-dimensional models, and a hazard location analysis is performed on the dangerous building model to determine multiple dangerous locations (which may be fire locations, leakage locations, gas leakage locations, etc.), and the hazard signs are marked as dangerous at multiple dangerous locations of the dangerous building model to construct a dangerous status model, and a central dangerous display area is planned in a preset graphic display area, and then a dangerous graphic display of the dangerous status model is performed in the dangerous display area, and the dangerous graphic display is displayed as a static display.

[0045] Specifically, Figure 5 A flow chart of performing hazard graphic display in the method provided by an embodiment of the present invention is shown.

[0046] Among them, in the preferred embodiment provided by the present invention, when there is a fire hazard, marking a dangerous building model from a plurality of the three-dimensional building models, constructing a dangerous state model, and performing a dangerous graphic display on the dangerous state model specifically comprises the following steps: Step S1041, when there is a fire hazard, select a hazard mark; Step S1042, performing danger location, marking dangerous building models from the plurality of three-dimensional building models; Step S1043, optimizing the dangerous building model according to the danger identification to construct a dangerous state model; Step S1044, planning a danger display area; Step S1045: Displaying the dangerous state model in dangerous graphics in the dangerous display area.

[0047] Furthermore, the fire control room graphic display method further comprises the following steps: Step S105, based on the dangerous state model, safe evacuation planning is performed, a safe evacuation route is generated, and a dynamic graphic display of the safe evacuation route is performed.

[0048] In an embodiment of the present invention, a basic safety route of a dangerous state model is obtained, and then a safe evacuation plan is performed based on the basic safety route according to multiple dangerous positions corresponding to the dangerous state model, and a safe evacuation route is generated. An evacuation mark is obtained, and then according to the evacuation mark, a dynamic graphic display of the safe evacuation route is performed in the dangerous state model. The dynamic graphic display can be a dynamic flash display, which provides effective assistance to fire command.

[0049] Specifically, Figure 6 A flow chart of dynamic graphic display in the method provided by an embodiment of the present invention is shown.

[0050] Among them, in the preferred embodiment provided by the present invention, the safe evacuation planning is performed based on the dangerous state model, the safe evacuation route is generated, and the safe evacuation route is dynamically displayed in a graphic manner, which specifically includes the following steps: Step S1051, obtaining a basic safety route of the dangerous state model; Step S1052, performing safe evacuation planning according to the basic safe route, and generating a safe evacuation route; Step S1053, obtaining an evacuation mark; Step S1054, dynamically displaying the safe evacuation route in the dangerous state model according to the evacuation mark; Specifically, in the process of performing safe evacuation planning and generating a safe evacuation route according to the basic safe route, the specific steps of generating a safe evacuation route are as follows: Determine the time frame and speed of evacuation; At each time point within the evacuation time range, calculate the second-order rate of change of the probability distribution of the evacuation route position over time to obtain the evacuation route change value Multiply the evacuation speed by the evacuation route change value to obtain the evacuation route change impact value; Determine the positions of all obstacles on the route planning plane, and calculate the obstacle values ​​of the obstacles through the influence function; The obstacle value of each obstacle is weighted by a constant to obtain an adjusted obstacle value, and the absolute value of the adjusted obstacle value is taken to obtain an absolute value of the adjusted obstacle value; At each time point, the current time, angular frequency and phase angle are combined to calculate the instantaneous sine value; Multiply the instantaneous sine value by the adjusted obstacle value, and then divide it by the absolute value of the adjusted obstacle value to obtain the obstacle impact value; In the determined evacuation time range, the obtained change impact value and obstacle impact value are integrated to finally obtain a comprehensive route plan; Generate a safe evacuation route based on the obtained comprehensive route planning.

[0051] Furthermore, Figure 7 The application architecture diagram of the system provided by the embodiment of the present invention is shown.

[0052] Among them, in another preferred embodiment provided by the present invention, a fire control room graphic display system includes: The real-time fire monitoring unit 101 is used to obtain the three-dimensional building models of multiple fire monitoring buildings, and perform real-time fire monitoring on the multiple fire monitoring buildings to obtain fire monitoring data.

[0053] In an embodiment of the present invention, the real-time fire monitoring unit 101 determines multiple fire monitoring buildings, obtains BIM data of the multiple fire monitoring buildings, and extracts the architectural three-dimensional models of the multiple fire monitoring buildings from the multiple BIM data, and performs real-time smoke and temperature monitoring on the multiple fire monitoring buildings to obtain smoke and temperature monitoring data, performs electrical safety monitoring on the multiple fire monitoring buildings to obtain electrical monitoring data, records and updates the smoke and temperature monitoring data and electrical monitoring data according to a preset data processing cycle, obtains fire monitoring data, and realizes continuous fire monitoring of multiple fire monitoring buildings.

[0054] The fire risk determination unit 102 is used to analyze the fire monitoring data to determine whether there is a fire risk.

[0055] In an embodiment of the present invention, the fire hazard judgment unit 102 imports basic fire data (the basic fire data includes smoke, temperature, and electrical status values ​​in a fire hazard state), and then compares the fire monitoring data with the basic fire data to generate a fire comparison result. According to the fire comparison result, it is judged whether there is a fire hazard. Specifically: when the fire monitoring data reaches the smoke, temperature, or electrical status value in a fire hazard state, it is judged that there is a fire hazard; when the fire monitoring data does not reach the smoke, temperature, or electrical status value in a fire hazard state, it is judged that there is no fire hazard.

[0056] The safety graphic display unit 103 is used to construct a plurality of safety status models based on the plurality of three-dimensional building models when there is no fire hazard, and to perform safety graphic display on the plurality of safety status models.

[0057] In an embodiment of the present invention, when there is no fire hazard, the safety graphic display unit 103 selects a safety mark (which can be a green mark), and performs monitoring and positioning analysis on the three-dimensional model of the building, determines multiple monitoring positions, and safety marks the safety mark at the multiple monitoring positions, constructs multiple corresponding safety status models, and plans multiple safety display areas in a preset graphic display area according to the size and position of multiple fire monitoring buildings, and then performs safety graphic display on multiple safety status models at the multiple safety display areas, and the safety graphic display is a static display.

[0058] Specifically, Figure 8 The structure block diagram of the security graphic display unit 103 in the system provided by the embodiment of the present invention is shown.

[0059] Among them, in the preferred embodiment provided by the present invention, the safety graphic display unit 103 specifically includes: A safety mark selection module 1031 is used to select a safety mark when there is no fire hazard; A safety model optimization module 1032 is used to optimize the plurality of three-dimensional building models according to the safety identification to construct a plurality of safety status models; A safe display area planning module 1033, used to plan multiple safe display areas; The safety graphic display module 1034 is used to perform safety graphic display on the plurality of safety status models in the plurality of safety display areas.

[0060] Furthermore, the fire control room graphic display system also includes: The danger graphic display unit 104 is used to mark the dangerous building model from the multiple three-dimensional building models, construct a dangerous state model, and perform danger graphic display on the dangerous state model when there is a fire hazard.

[0061] In an embodiment of the present invention, when there is a fire hazard, the danger graphic display unit 104 selects a danger sign (which may be a red sign) to locate the hazard, selects and marks a dangerous building model from multiple three-dimensional building models, and performs a danger location analysis on the dangerous building model to determine multiple danger locations (which may be fire locations, leakage locations, gas leakage locations, etc.), marks the danger signs at multiple danger locations of the dangerous building model, constructs a danger status model, plans a central danger display area in a preset graphic display area, and then displays a danger graphic of the danger status model in the danger display area, and the danger graphic display is displayed as a static display.

[0062] Specifically, Fig. 9 It shows a structural block diagram of the danger graphic display unit 104 in the system provided by the embodiment of the present invention.

[0063] Among them, in the preferred embodiment provided by the present invention, the hazard graphic display unit 104 specifically includes: The hazard identification selection module 1041 is used to select a hazard identification when there is a fire hazard; The danger location module 1042 is used to perform danger location and mark dangerous building models from the plurality of three-dimensional building models; The danger model optimization module 1043 is used to optimize the dangerous building model according to the danger identification and construct a dangerous state model; Danger display area planning module 1044, used to plan the danger display area; The danger graphic display module 1045 is used to display danger graphics for the danger state model in the danger display area.

[0064] Furthermore, the fire control room graphic display system also includes: The evacuation planning display unit 105 is used to perform safe evacuation planning based on the dangerous state model, generate a safe evacuation route, and display the safe evacuation route in a dynamic graphic.

[0065] In an embodiment of the present invention, the evacuation planning display unit 105 obtains a basic safety route of the dangerous state model, and then performs a safe evacuation plan based on the basic safety route according to multiple dangerous positions corresponding to the dangerous state model, generates a safe evacuation route, and obtains an evacuation mark. Then, based on the evacuation mark, a dynamic graphic display of the safe evacuation route is performed in the dangerous state model. The dynamic graphic display can be a dynamic flash display, which provides effective assistance to fire command.

[0066] Specifically, Fig.10It shows a structural block diagram of the evacuation plan display unit 105 in the system provided by the embodiment of the present invention.

[0067] Among them, in the preferred embodiment provided by the present invention, the evacuation plan display unit 105 specifically includes: A basic route acquisition module 1051 is used to acquire a basic safety route of the dangerous state model; A safety evacuation planning module 1052 is used to perform safety evacuation planning based on the basic safety route and generate a safety evacuation route; An evacuation mark acquisition module 1053 is used to acquire an evacuation mark; The evacuation dynamic display module 1054 is used to dynamically display the safe evacuation route in the dangerous state model according to the evacuation mark.

[0068] It should be understood that, although each step in the flow chart of each embodiment of the present invention is shown in sequence according to the indication of the arrow, these steps are not necessarily performed in sequence according to the order indicated by the arrow. Unless there is a clear explanation in this article, the execution of these steps does not have a strict order restriction, and these steps can be performed in other orders. Moreover, at least a portion of the steps in each embodiment may include a plurality of sub-steps or a plurality of stages, and these sub-steps or stages are not necessarily performed at the same time, but can be performed at different times, and the execution order of these sub-steps or stages is not necessarily performed in sequence, but can be performed in turn or alternately with at least a portion of other steps or sub-steps or stages of other steps.

[0069] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the program can be stored in a non-volatile computer-readable storage medium. When the program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media used in the embodiments provided in this application may include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. As an illustration and not limitation, RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).

[0070] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0071] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

[0072] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fire control room graphic display method, characterized in that: The method specifically comprises the following steps: Obtaining three-dimensional architectural models of multiple fire monitoring buildings, and performing real-time fire monitoring on the multiple fire monitoring buildings to obtain fire monitoring data; Analyze the fire monitoring data to determine whether there is a fire hazard; When there is no fire hazard, constructing a plurality of safety state models based on the plurality of three-dimensional building models, and performing safety graphic display on the plurality of safety state models; When there is a fire hazard, marking a dangerous building model from the plurality of three-dimensional building models, constructing a dangerous state model, and performing a dangerous graphic display on the dangerous state model; Based on the dangerous state model, safe evacuation planning is performed, a safe evacuation route is generated, and a dynamic graphic display of the safe evacuation route is performed; The method of obtaining the three-dimensional architectural models of multiple fire monitoring buildings, performing real-time fire monitoring on the multiple fire monitoring buildings, and obtaining fire monitoring data specifically includes the following steps: Based on BIM technology, obtain the three-dimensional architectural models of multiple fire monitoring buildings; Conduct real-time smoke and temperature monitoring of multiple fire monitoring buildings to obtain smoke and temperature monitoring data; Conduct electrical safety monitoring on multiple fire monitoring buildings and obtain electrical monitoring data; The smoke and temperature sensing monitoring data and the electrical monitoring data are recorded and updated to obtain fire monitoring data.

2. A fire control room graphic display method according to claim 1, characterized in that: After performing real-time smoke and temperature monitoring on multiple fire monitoring buildings and obtaining smoke and temperature monitoring data, the method further includes: Processing the smoke and temperature sensing monitoring data to obtain a comprehensive index for evaluating the safety of the environment; The calculation and determination of the comprehensive index specifically includes the following sub-steps: Determine the total time period for which continuous smoke and temperature monitoring will be conducted; During the total time period, the smoke concentration measurement values ​​measured by the smoke sensor at each time point are collected; Multiply each smoke density measurement value by the corresponding exponential decay factor to obtain an attenuated smoke density measurement value, and then square each attenuated smoke density measurement value to obtain a processed smoke density measurement value; All processed smoke density measurements are first squared and summed, and then the average is calculated to obtain the average value of the smoke density measurements; Take the square root of the average value of the smoke concentration measurement to get the comprehensive smoke perception index; During the total time period, the temperature measurement values ​​measured by the temperature sensor at each time point are collected; Square each temperature measurement to obtain a processed temperature measurement; All processed temperature measurement values ​​are summed up and then averaged to obtain the average value of the temperature measurement values; Logarithmic transformation is performed on the basis of the average value of the temperature measurement value to obtain the comprehensive temperature perception index; Multiply the comprehensive smoke index and comprehensive temperature index by the corresponding weight coefficients, and then add the exponentials to obtain the comprehensive index.

3. A fire control room graphic display method according to claim 2, characterized in that: The analyzing of the fire monitoring data to determine whether there is a fire hazard specifically includes the following steps: Import basic fire protection data; Comparing the fire monitoring data with the fire basic data to generate a fire comparison result; According to the fire comparison result, it is determined whether there is a fire hazard.

4. A fire control room graphic display method according to claim 3, characterized in that: Comparing the fire monitoring data with the fire basic data to generate a fire comparison result, the specific steps include the following sub-steps: The complex difference assessment value is calculated by fire monitoring data and fire basic data; Determine the deviation between the fire monitoring data and the fire basic data according to the complex difference evaluation value, so as to obtain the fire comparison result; The method for calculating and determining the complex difference evaluation value includes the following steps: Find the minimum value and the maximum value of the target monitoring item from the fire monitoring data; The difference of the target monitoring item is obtained by the minimum value of the target monitoring item and the maximum value of the target monitoring item; Calculating a first difference between each value in the target monitoring item and the minimum value of the target monitoring item, and then normalizing the first difference to obtain a normalized target monitoring value; Based on each group of normalized target monitoring values ​​and the corresponding fire basic values ​​in the fire basic data, a normalized second difference value is calculated; By performing a square operation on the normalized second difference value, an intermediate square value is obtained; Preset the weight value of the normalized difference according to the temperature and smoke concentration; Multiply the intermediate square value by the weight value of the normalized difference to obtain the weighted value of the square value; Based on the weighted values ​​of multiple square values, the complex difference evaluation value is obtained by weighted Euclidean distance calculation.

5. A fire control room graphic display method according to claim 4, characterized in that: When there is no fire hazard, constructing multiple safety state models based on multiple three-dimensional building models, and performing safety graphic display on the multiple safety state models specifically includes the following steps: When there is no fire hazard, choose safety signs; According to the safety identification, the plurality of three-dimensional building models are optimized to construct a plurality of safety status models; Plan multiple safe display areas; In the plurality of safety display areas, a plurality of safety status models are displayed in safety graphics.

6. A fire control room graphic display method according to claim 5, characterized in that: According to the safety mark, the plurality of three-dimensional building models are optimized, and the specific steps are as follows: Determine the volume of the original building 3D model; At each position of the original building three-dimensional model, the sine value of the position point is calculated by the structural integrity function; at each position of the original building three-dimensional model, the absolute value of the load of the position point is calculated by the load distribution function; Divide the sine value of the position point by the absolute value of the load at the position point to obtain the adjustment structure influence value; Integrate the adjusted structural impact value within the volume range of the entire original building three-dimensional model to obtain the integral of the structural integrity impact, wherein each integral of the structural integrity impact corresponds to a unique structural integrity impact weight; In the volume of the original building 3D model, the divergence of the structural integrity gradient is calculated for each location point; The divergence of the structural integrity gradient at each position point is squared and the obtained result is integrated to obtain the integral of the structural change effect, wherein each integral of the structural change effect corresponds to a unique weight of the structural change effect; The integral of the structural integrity impact is multiplied by the weight of the structural integrity impact to obtain a structural integrity weighted value; the integral of the structural change impact is multiplied by the weight of the structural change impact to obtain a structural change weighted value; The weighted value of structural integrity is added to the weighted value of structural change to obtain the optimized volume of the building three-dimensional model.

7. A fire control room graphic display method according to claim 6, characterized in that: When there is a fire hazard, marking a dangerous building model from a plurality of the three-dimensional building models, constructing a dangerous state model, and performing a dangerous graphic display on the dangerous state model specifically comprises the following steps: When there is a fire hazard, choose a hazard sign; Performing risk location, marking a risky building model from a plurality of said three-dimensional building models; According to the danger identification, the dangerous building model is optimized to construct a dangerous state model; Planning of hazard display areas; In the danger display area, the danger state model is displayed in a danger graphic manner.

8. A fire control room graphic display method according to claim 7, characterized in that: The method of performing safe evacuation planning based on the dangerous state model, generating a safe evacuation route, and dynamically displaying the safe evacuation route specifically includes the following steps: Obtaining a basic safety route of the dangerous state model; Perform safe evacuation planning based on the basic safe route and generate a safe evacuation route; Get evacuation sign; According to the evacuation mark, the safe evacuation route is dynamically displayed in the dangerous state model.

9. A fire control room graphic display method according to claim 8, characterized in that: In the process of performing safe evacuation planning and generating a safe evacuation route according to the basic safe route, the specific steps of generating a safe evacuation route are as follows: Determine the time frame and speed of evacuation; At each time point within the evacuation time range, the second-order rate of change of the probability distribution of the evacuation route position with respect to time is calculated to obtain the evacuation route change value; Multiply the evacuation speed by the evacuation route change value to obtain the evacuation route change impact value; Determine the positions of all obstacles on the route planning plane, and calculate the obstacle values ​​of the obstacles through the influence function; The obstacle value of each obstacle is weighted by a constant to obtain an adjusted obstacle value, and the absolute value of the adjusted obstacle value is taken to obtain an absolute value of the adjusted obstacle value; At each time point, the current time, angular frequency and phase angle are combined to calculate the instantaneous sine value; Multiply the instantaneous sine value by the adjusted obstacle value, and then divide it by the absolute value of the adjusted obstacle value to obtain the obstacle impact value; In the determined evacuation time range, the obtained change impact value and obstacle impact value are integrated to finally obtain a comprehensive route plan; Generate a safe evacuation route based on the obtained comprehensive route planning.

10. A fire control room graphic display system, characterized in that: The system applies the fire control room graphic display method as described in any one of claims 1 to 9 above, and the system includes a real-time fire monitoring unit, a fire hazard judgment unit, a safety graphic display unit, a hazard graphic display unit and an evacuation plan display unit, wherein: A real-time fire monitoring unit is used to obtain a three-dimensional building model of multiple fire monitoring buildings, and to perform real-time fire monitoring on the multiple fire monitoring buildings to obtain fire monitoring data; A fire risk judgment unit, used to analyze the fire monitoring data to judge whether there is a fire risk; A safety graphic display unit, used for constructing a plurality of safety status models based on the plurality of three-dimensional building models when there is no fire hazard, and performing safety graphic display on the plurality of safety status models; A danger graphic display unit is used to mark a dangerous building model from a plurality of said three-dimensional building models, construct a dangerous state model, and perform a danger graphic display on said dangerous state model when there is a fire hazard; The evacuation planning display unit is used to perform safe evacuation planning based on the dangerous state model, generate a safe evacuation route, and display the safe evacuation route in a dynamic graphic.

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