A fire control room graphic display system and method

Abstract

The embodiments of the present invention relate to the field of fire control display technology, and specifically disclose a fire control room graphic display system and method. The embodiments of the present invention obtain the three-dimensional building models of multiple fire-monitoring buildings, conduct real-time fire monitoring on the multiple fire-monitoring buildings, and obtain fire monitoring data; determine whether there is a fire hazard; when there is no fire hazard, construct multiple safety state models and perform safety graphic display on the multiple safety state models; when there is a fire hazard, construct a hazard state model and perform hazard graphic display on the hazard state model; conduct safety evacuation planning, generate a safety evacuation route, and perform dynamic graphic display. It can construct multiple safety state models and perform safety graphic display when there is no fire hazard, construct a hazard state model and perform hazard graphic display when there is a fire hazard, and generate a safety evacuation route and perform dynamic graphic display, providing effective assistance for fire command.

Description

Technical Field

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

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

[0003] The graphic display of the fire control room is to display the location, status and operation of fire fighting equipment in the building in real time in an electronic graphical manner. In the prior art, the graphic display of the fire control room is usually relatively simple, unable to perform different graphic displays according to different states such as fire safety and fire danger, and unable to perform dynamic graphic displays 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 art.

[0005] To achieve the above purpose, the embodiments of the present invention provide the following technical solutions:

[0006] A fire control room graphic display method, the method specifically includes the following steps:

[0007] Obtain the three-dimensional building models of multiple fire-monitored buildings, and perform real-time fire monitoring on the multiple fire-monitored buildings to obtain fire monitoring data;

[0008] Analyze the fire monitoring data to determine whether there is a fire danger;

[0009] When there is no fire danger, based on the multiple three-dimensional building models, construct multiple safe state models, and perform safe graphic display on the multiple safe state models;

[0010] When there is a fire danger, mark the dangerous building models from the multiple three-dimensional building models, construct a dangerous state model, and perform dangerous graphic display on the dangerous state model;

[0011] Based on the dangerous state model, perform safe evacuation planning, generate a safe evacuation route, and perform dynamic graphic display on the safe evacuation route.

[0012] As a further limitation of the technical solution of the embodiment of the present invention, the steps of obtaining the building three-dimensional models of multiple fire monitoring buildings and performing real-time fire monitoring on the multiple fire monitoring buildings to obtain fire monitoring data specifically include the following steps:

[0013] Based on BIM technology, obtain the building three-dimensional models of multiple fire monitoring buildings;

[0014] Perform real-time monitoring of smoke and temperature sensors on multiple fire monitoring buildings to obtain smoke and temperature sensor monitoring data;

[0015] Perform electrical safety monitoring on multiple fire monitoring buildings to obtain electrical monitoring data;

[0016] Record and update the smoke and temperature sensor monitoring data and the electrical monitoring data to obtain fire monitoring data.

[0017] As a further limitation of the technical solution of the embodiment of the present invention, the steps of analyzing the fire monitoring data to determine whether there is a fire hazard specifically include the following steps:

[0018] Import fire basic data;

[0019] Compare the fire monitoring data with the fire basic data to generate a fire comparison result;

[0020] Judge whether there is a fire hazard according to the fire comparison result.

[0021] As a further limitation of the technical solution of the embodiment of the present invention, the steps of constructing multiple safety state models based on the multiple building three-dimensional models and performing safety graphic display on the multiple safety state models when there is no fire hazard specifically include the following steps:

[0022] When there is no fire hazard, select safety signs;

[0023] Optimize the multiple building three-dimensional models according to the safety signs to construct multiple safety state models;

[0024] Plan multiple safety display areas;

[0025] Perform safety graphic display on the multiple safety state models in the multiple safety display areas.

[0026] As a further limitation of the technical solution of the embodiment of the present invention, the steps of marking dangerous building models from the multiple building three-dimensional models, constructing a dangerous state model, and performing dangerous graphic display on the dangerous state model when there is a fire hazard specifically include the following steps:

[0027] When there is a fire hazard, select dangerous signs;

[0028] Perform hazard location, and mark the hazardous building models from multiple three-dimensional building models.

[0029] Optimize the hazardous building models according to the hazard identification to construct a hazard state model.

[0030] Plan a hazard display area.

[0031] In the hazard display area, perform a hazard graphic display of the hazard state model.

[0032] As a further limitation of the technical solution of the embodiment of the present invention, performing safety evacuation planning based on the hazard state model, generating a safety evacuation route, and performing a dynamic graphic display of the safety evacuation route specifically include the following steps:

[0033] Obtain the basic safety route of the hazard state model.

[0034] Perform safety evacuation planning according to the basic safety route to generate a safety evacuation route.

[0035] Obtain an evacuation identification.

[0036] According to the evacuation identification, perform a dynamic graphic display of the safety evacuation route in the hazard state model.

[0037] A graphic display system for a fire control room, 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 planning display unit, wherein:

[0038] The real-time fire monitoring unit is used to obtain the three-dimensional building models of multiple fire-monitored buildings, perform real-time fire monitoring on multiple fire-monitored buildings, and obtain fire monitoring data.

[0039] The fire hazard judgment unit is used to analyze the fire monitoring data to judge whether there is a fire hazard.

[0040] The safety graphic display unit is used to construct multiple safety state models based on multiple three-dimensional building models and perform a safety graphic display of multiple safety state models when there is no fire hazard.

[0041] The hazard graphic display unit is used to mark the hazardous building models from multiple three-dimensional building models, construct a hazard state model, and perform a hazard graphic display of the hazard state model when there is a fire hazard.

[0042] The evacuation planning display unit is used to perform safety evacuation planning based on the hazard state model, generate a safety evacuation route, and perform a dynamic graphic display of the safety evacuation route.

[0043] As a further limitation of the technical solution of the embodiment of the present invention, the safety graphic display unit specifically includes:

[0044] A safety identification selection module, configured to select a safety identification when there is no fire danger;

[0045] A safety model optimization module, configured to optimize a plurality of the building three-dimensional models according to the safety identification, and construct a plurality of safety state models;

[0046] A safety display area planning module, configured to plan a plurality of safety display areas;

[0047] A safety graphic display module, configured to perform safety graphic display on a plurality of the safety state models in a plurality of the safety display areas.

[0048] As a further limitation of the technical solution of the embodiment of the present invention, the danger graphic display unit specifically includes:

[0049] A danger identification selection module, configured to select a danger identification when there is a fire danger;

[0050] A danger positioning module, configured to perform danger positioning, and mark a dangerous building model from a plurality of the building three-dimensional models;

[0051] A danger model optimization module, configured to optimize the dangerous building model according to the danger identification, and construct a danger state model;

[0052] A danger display area planning module, configured to plan a danger display area;

[0053] A danger graphic display module, configured to perform danger graphic display on the danger state model in the danger display area.

[0054] As a further limitation of the technical solution of the embodiment of the present invention, the evacuation planning display unit specifically includes:

[0055] A basic route acquisition module, configured to acquire a basic safety route of the danger state model;

[0056] A safety evacuation planning module, configured to perform a safety evacuation planning according to the basic safety route, and generate a safety evacuation route;

[0057] An evacuation identification acquisition module, configured to acquire an evacuation identification;

[0058] An evacuation dynamic display module, configured to perform dynamic graphic display on the safety evacuation route in the danger state model according to the evacuation identification.

[0059] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0060] In the embodiment of the present invention, by obtaining the building three-dimensional models of multiple fire monitoring buildings, and performing real-time fire monitoring on the multiple fire monitoring buildings to obtain fire monitoring data; determining whether there is a fire hazard; when there is no fire hazard, constructing multiple safety state models and performing safety graphic display on the multiple safety state models; when there is a fire hazard, constructing a hazard state model and performing hazard graphic display on the hazard state model; and performing a safe evacuation plan, generating a safe evacuation route and performing dynamic graphic display. It is possible to construct multiple safety state models and perform safety graphic display when there is no fire hazard, construct a hazard state model and perform hazard graphic display when there is a fire hazard, and generate a safe evacuation route and perform dynamic graphic display, providing effective assistance for fire command. BRIEF DESCRIPTION OF THE DRAWINGS

[0061] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention.

[0062] Figure 1 Shows the flowchart of the method provided by the embodiment of the present invention.

[0063] Figure 2 Shows the flowchart of obtaining fire monitoring data in the method provided by the embodiment of the present invention.

[0064] Figure 3 Shows the flowchart of determining whether there is a fire hazard in the method provided by the embodiment of the present invention.

[0065] Figure 4 Shows the flowchart of performing safety graphic display in the method provided by the embodiment of the present invention.

[0066] Figure 5 Shows the flowchart of performing hazard graphic display in the method provided by the embodiment of the present invention.

[0067] Figure 6 Shows the flowchart of performing dynamic graphic display in the method provided by the embodiment of the present invention.

[0068] Figure 7 Shows the application architecture diagram of the system provided by the embodiment of the present invention.

[0069] Figure 8 Shows the structural block diagram of the safety graphic display unit in the system provided by the embodiment of the present invention.

[0070] Figure 9The structural block diagram of the dangerous graphic display unit in the system provided by the embodiment of the present invention is shown.

[0071] Figure 10 The structural block diagram of the evacuation planning display unit in the system provided by the embodiment of the present invention is shown. Detailed implementation manners

[0072] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to 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 used to limit the present invention.

[0073] It can be understood that the graphic display in the fire control room is to display the positions, states and operating conditions of fire-fighting equipment in a building in real time in an electronic graphical manner. In the prior art, the graphic display in the fire control room is usually relatively simple, unable to perform different graphic displays according to different states such as fire safety and fire hazards, and unable to perform dynamic graphic displays of safe evacuation routes.

[0074] To solve the above problems, in the embodiment of the present invention, by obtaining the building three-dimensional models of multiple fire-monitored buildings, and performing real-time fire monitoring on the multiple fire-monitored buildings to obtain fire monitoring data; analyzing the fire monitoring data to determine whether there is a fire hazard; when there is no fire hazard, based on the multiple building three-dimensional models, constructing multiple safe state models and performing safe graphic displays on the multiple safe state models; when there is a fire hazard, marking the dangerous building models from the multiple building three-dimensional models, constructing a dangerous state model, and performing dangerous graphic displays on the dangerous state model; based on the dangerous state model, performing a safe evacuation plan, generating a safe evacuation route, and performing a dynamic graphic display on the safe evacuation route. It is possible to construct multiple safe state models and perform safe graphic displays when there is no fire hazard, construct a dangerous state model and perform dangerous graphic displays when there is a fire hazard, and generate a safe evacuation route and perform a dynamic graphic display, providing effective assistance for fire command.

[0075] Figure 1 The flowchart of the method provided by the embodiment of the present invention is shown.

[0076] Specifically, a method for graphic display in a fire control room, the method specifically includes the following steps:

[0077] Step S101, obtaining the building three-dimensional models of multiple fire-monitored buildings, and performing real-time fire monitoring on the multiple fire-monitored buildings to obtain fire monitoring data.

[0078] In an embodiment of the present invention, multiple fire monitoring buildings are determined, BIM data of the multiple fire monitoring buildings is obtained, and a three-dimensional building model of the multiple fire monitoring buildings is extracted from the multiple BIM data. Moreover, 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, and the smoke and temperature monitoring data and the electrical monitoring data are recorded and updated according to a preset data processing cycle to obtain fire monitoring data, thereby realizing continuous fire monitoring of the multiple fire monitoring buildings.

[0079] Specifically, Figure 2 FIG. shows a flowchart of obtaining fire monitoring data in the method provided by an embodiment of the present invention.

[0080] Among them, in a preferred embodiment provided by the present invention, the steps of obtaining a three-dimensional building model of multiple fire monitoring buildings, performing real-time fire monitoring on the multiple fire monitoring buildings, and obtaining fire monitoring data specifically include the following steps:

[0081] Step S1011: Based on BIM technology, obtain a three-dimensional building model of multiple fire monitoring buildings;

[0082] Step S1012: Perform real-time smoke and temperature monitoring on the multiple fire monitoring buildings to obtain smoke and temperature monitoring data;

[0083] Step S1013: Perform electrical safety monitoring on the multiple fire monitoring buildings to obtain electrical monitoring data;

[0084] Step S1014: Record and update the smoke and temperature monitoring data and the electrical monitoring data to obtain fire monitoring data;

[0085] Specifically, after the step of performing real-time smoke and temperature monitoring on the multiple fire monitoring buildings to obtain smoke and temperature monitoring data, the method further includes:

[0086] Process the smoke and temperature monitoring data to obtain a comprehensive index for evaluating the safety of the environment;

[0087] Among them, calculating and determining the comprehensive index specifically includes the following sub-steps:

[0088] Determine the total time period for continuous smoke and temperature monitoring;

[0089] During the total time period, collect the smoke concentration measurement values measured by the smoke sensor at each time point;

[0090] Multiply each smoke concentration measurement value by the corresponding exponential decay factor to obtain a decayed smoke concentration measurement value, and then square each decayed smoke concentration measurement value to obtain a processed smoke concentration measurement value;

[0091] First, sum the squares of all processed smoke concentration measurement values, and then calculate the average to obtain the average value of the smoke concentration measurement values.

[0092] Take the square root of the average value of the smoke concentration measurement values to obtain the comprehensive smoke sensor index.

[0093] During the total time period, collect the temperature measurement values measured by the temperature sensor at each time point.

[0094] Perform a square calculation on each temperature measurement value to obtain the processed temperature measurement value.

[0095] Sum all the processed temperature measurement values and then calculate the average to obtain the average value of the temperature measurement values.

[0096] Perform a logarithmic transformation on the basis of the average value of the temperature measurement values to obtain the comprehensive temperature sensor index.

[0097] Multiply the comprehensive smoke sensor index and the comprehensive temperature sensor index by their corresponding weight coefficients first, and then perform an exponential addition to obtain the comprehensive index.

[0098] Furthermore, the method for graphical display in the fire control room further includes the following steps:

[0099] Step S102: Analyze the fire monitoring data to determine whether there is a fire hazard.

[0100] In the embodiment of the present invention, by importing fire basic data (the fire basic data includes smoke sensor temperature values and electrical state values in a fire hazard state), then comparing the fire monitoring data with the fire basic data to generate a fire comparison result, and judging whether there is a fire hazard according to the fire comparison result. Specifically: when the fire monitoring data reaches the smoke sensor temperature value or electrical state 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 sensor temperature value or electrical state value in a fire hazard state, it is judged that there is no fire hazard.

[0101] Specifically, Figure 3 FIG. shows the flowchart for judging whether there is a fire hazard in the method provided by the embodiment of the present invention.

[0102] Among them, in the preferred embodiment provided by the present invention, the step of analyzing the fire monitoring data to determine whether there is a fire hazard specifically includes the following steps:

[0103] Step S1021: Import fire basic data;

[0104] Step S1022: Compare the fire monitoring data with the fire basic data to generate a fire comparison result;

[0105] Step S1023, determine whether there is a fire hazard according to the fire comparison result;

[0106] Specifically, compare the fire monitoring data with the fire basic data to generate a fire comparison result. The specific steps include the following sub-steps;

[0107] Calculate a complex difference evaluation value through the fire monitoring data and the fire basic data;

[0108] According to the complex difference evaluation value, determine the deviation between the fire monitoring data and the fire basic data, so as to obtain the fire comparison result;

[0109] Among them, the calculation and determination method of the complex difference evaluation value includes the following steps:

[0110] Find the minimum value of the target monitoring item and the maximum value of the target monitoring item from the fire monitoring data;

[0111] Obtain the difference of the target monitoring item through the minimum value of the target monitoring item and the maximum value of the target monitoring item;

[0112] Calculate the first difference between each value in the target monitoring item and the minimum value of the target monitoring item, and then normalize the first difference to obtain the normalized target monitoring value;

[0113] Based on each group of normalized target monitoring values and the corresponding fire basic values in the fire basic data, calculate the normalized second difference;

[0114] Obtain an intermediate square value by performing a square operation on the normalized second difference;

[0115] Preset the weight value of the normalized difference according to the temperature and the smoke concentration;

[0116] Multiply the intermediate square value by the weight value of the normalized difference to obtain the weighted value of the square value;

[0117] Based on the weighted values of multiple square values, calculate the complex difference evaluation value through the weighted Euclidean distance.

[0118] Furthermore, the fire control room graphic display method further includes the following steps:

[0119] Step S103, when there is no fire hazard, based on multiple building three-dimensional models, construct multiple safety state models, and perform safety graphic display on the multiple safety state models.

[0120] 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 building model is monitored, located, and analyzed to determine multiple monitoring positions. At the multiple monitoring positions, safety markings are made on the safety signs to construct multiple corresponding safety status models. According to the sizes and positions of multiple fire-monitoring buildings, multiple safety display areas are planned in a preset graphic display area. Then, at the multiple safety display areas, the multiple safety status models are displayed in a safety graphic, and the safety graphic display is a static display.

[0121] Specifically, Figure 4 FIG. shows a flowchart of performing safety graphic display in the method provided by an embodiment of the present invention.

[0122] Among them, in a preferred embodiment provided by the present invention, when there is no fire hazard, based on the multiple three-dimensional building models, multiple safety status models are constructed, and the safety graphic display of the multiple safety status models specifically includes the following steps:

[0123] Step S1031, when there is no fire hazard, select a safety sign;

[0124] Step S1032, optimize the multiple three-dimensional building models according to the safety sign to construct multiple safety status models;

[0125] Step S1033, plan multiple safety display areas;

[0126] Step S1034, perform safety graphic display on the multiple safety status models in the multiple safety display areas;

[0127] Specifically, the specific steps of optimizing the multiple three-dimensional building models according to the safety sign are as follows:

[0128] Determine the volume of the original three-dimensional building model;

[0129] Calculate the sine value of the position point at each position of the original three-dimensional building model through a structural integrity function; calculate the absolute value of the load at the position point at each position of the original three-dimensional building model through a load distribution function;

[0130] Divide the sine value of the position point by the absolute value of the load at the position point to obtain an adjusted structural influence value;

[0131] Integrate the adjusted structural influence value within the volume range of the entire original three-dimensional building model to obtain an integral of the structural integrity influence, where each integral of the structural integrity influence corresponds to a unique weight of the structural integrity influence;

[0132] Calculate the divergence of the structural integrity gradient at each position point within the volume of the original building three-dimensional model;

[0133] Square the divergence of the structural integrity gradient at each position point, and integrate the resulting values to obtain the integral of the structural change impact, where each integral of the structural change impact corresponds to a unique weight of the structural change impact;

[0134] Multiply the integral of the structural integrity impact by the weight of the structural integrity impact to obtain the weighted value of the structural integrity; multiply the integral of the structural change impact by the weight of the structural change impact to obtain the weighted value of the structural change;

[0135] Add the weighted value of the structural integrity and the weighted value of the structural change to obtain the optimized volume of the building three-dimensional model.

[0136] Further, the graphical display method of the fire control room further includes the following steps:

[0137] Step S104, when there is a fire hazard, mark the dangerous building models from multiple building three-dimensional models, construct a dangerous state model, and perform a dangerous graphical display on the dangerous state model.

[0138] In the embodiment of the present invention, when there is a fire hazard, select a danger sign (which can be a red sign) for danger positioning. Select and mark the dangerous building models from multiple building three-dimensional models, and perform a danger positioning analysis on the dangerous building models to determine multiple dangerous positions (which can be the fire location, leakage location, gas leakage location, etc.). At multiple dangerous positions of the dangerous building model, perform a danger mark on the danger sign, construct a dangerous state model, plan a central dangerous display area in the preset graphical display area, and then perform a dangerous graphical display on the dangerous state model in the dangerous display area, and the dangerous graphical display is a static display.

[0139] Specifically, Figure 5 shows the flowchart of the dangerous graphical display in the method provided by the embodiment of the present invention.

[0140] Among them, in the preferred embodiment provided by the present invention, the step of marking the dangerous building models from multiple building three-dimensional models, constructing a dangerous state model, and performing a dangerous graphical display on the dangerous state model when there is a fire hazard specifically includes the following steps:

[0141] Step S1041, select a danger sign when there is a fire hazard;

[0142] Step S1042, perform danger positioning, and mark the dangerous building models from multiple building three-dimensional models;

[0143] Step S1043: Optimize the dangerous building model according to the said danger signs to construct a danger state model;

[0144] Step S1044: Plan a danger display area;

[0145] Step S1045: In the said danger display area, conduct a danger graphic display of the said danger state model.

[0146] Furthermore, the graphic display method for the fire control room further includes the following steps:

[0147] Step S105: Based on the said danger state model, conduct a safe evacuation plan, generate a safe evacuation route, and conduct a dynamic graphic display of the said safe evacuation route.

[0148] In the embodiment of the present invention, obtain the basic safe route of the danger state model, and then, according to multiple dangerous positions corresponding to the danger state model, conduct a safe evacuation plan on the basis of the basic safe route to generate a safe evacuation route, and obtain an evacuation sign. Then, according to the evacuation sign, conduct a dynamic graphic display of the safe evacuation route in the danger state model. The dynamic graphic display can be a dynamic flash and shrink display, which provides effective help for fire fighting command.

[0149] Specifically, Figure 6 The flowchart of the dynamic graphic display in the method provided by the embodiment of the present invention is shown.

[0150] Among them, in the preferred embodiment provided by the present invention, the step of conducting a safe evacuation plan based on the said danger state model, generating a safe evacuation route, and conducting a dynamic graphic display of the said safe evacuation route specifically includes the following steps:

[0151] Step S1051: Obtain the basic safe route of the said danger state model;

[0152] Step S1052: According to the said basic safe route, conduct a safe evacuation plan to generate a safe evacuation route;

[0153] Step S1053: Obtain an evacuation sign;

[0154] Step S1054: According to the said evacuation sign, conduct a dynamic graphic display of the said safe evacuation route in the said danger state model;

[0155] Specifically, in the process of conducting a safe evacuation plan according to the said basic safe route to generate a safe evacuation route, the specific steps of generating a safe evacuation route are as follows:

[0156] Determine the evacuation time range and evacuation speed;

[0157] 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 with respect to time to obtain the evacuation route change value.

[0158] Multiply the evacuation speed by the evacuation route change value to obtain the evacuation route change impact value.

[0159] Determine the positions of all obstacles on the route planning plane and calculate the obstacle hindrance value through the influence function.

[0160] Adjust the hindrance value of each obstacle by a constant to obtain the adjusted hindrance value, and take the absolute value of the adjusted hindrance value to obtain the absolute value of the adjusted hindrance value.

[0161] At each time point, combine the current time, angular frequency, and phase angle to calculate the instantaneous sine value.

[0162] Multiply the instantaneous sine value by the adjusted hindrance value and then divide by the absolute value of the adjusted hindrance value to obtain the obstacle impact value.

[0163] Integrate the obtained change impact value and obstacle impact value within the determined evacuation time range to finally obtain the comprehensive route planning.

[0164] Generate a safe evacuation route according to the obtained comprehensive route planning.

[0165] Furthermore, Figure 7 The application architecture diagram of the system provided by the embodiment of the present invention is shown.

[0166] Among them, in another preferred embodiment provided by the present invention, a graphical display system for a fire control room includes:

[0167] A real-time fire monitoring unit 101, configured to obtain the building three-dimensional models of multiple fire-monitored buildings, perform real-time fire monitoring on the multiple fire-monitored buildings, and obtain fire monitoring data.

[0168] In the embodiment of the present invention, the real-time fire monitoring unit 101 determines multiple fire-monitored buildings, obtains the BIM data of the multiple fire-monitored buildings, extracts the building three-dimensional models of the multiple fire-monitored buildings from the multiple BIM data, and performs real-time monitoring of smoke and temperature sensors on the multiple fire-monitored buildings to obtain smoke and temperature sensor monitoring data, performs electrical safety monitoring on the multiple fire-monitored buildings to obtain electrical monitoring data, and records and updates the smoke and temperature sensor monitoring data and the electrical monitoring data according to a preset data processing period to obtain fire monitoring data, so as to realize continuous fire monitoring of the multiple fire-monitored buildings.

[0169] A fire danger judgment unit 102, which is used to analyze the fire monitoring data to judge whether there is a fire danger.

[0170] In an embodiment of the present invention, the fire danger judgment unit 102 imports fire basic data (the fire basic data includes smoke sensor temperature values and electrical state values in a fire danger state), then compares the fire monitoring data with the fire basic data to generate a fire comparison result, and judges whether there is a fire danger according to the fire comparison result. Specifically: when the fire monitoring data reaches the smoke sensor temperature value or electrical state value in a fire danger state, it is judged that there is a fire danger; when the fire monitoring data does not reach the smoke sensor temperature value or electrical state value in a fire danger state, it is judged that there is no fire danger.

[0171] A safety graphic display unit 103, which is used to construct a plurality of safety state models based on the plurality of building three-dimensional models and perform a safety graphic display on the plurality of safety state models when there is no fire danger.

[0172] In an embodiment of the present invention, when there is no fire danger, the safety graphic display unit 103 selects a safety sign (which can be a green sign), and performs a monitoring and positioning analysis on the building three-dimensional model to determine a plurality of monitoring positions. At the plurality of monitoring positions, the safety sign is marked safely to construct a plurality of corresponding safety state models. According to the sizes and positions of the plurality of fire monitoring buildings, a plurality of safety display areas are planned in a preset graphic display area, and then a safety graphic display is performed on the plurality of safety state models at the plurality of safety display areas, and the safety graphic display is a static display.

[0173] Specifically, Figure 8 Fig. shows the structural block diagram of the safety graphic display unit 103 in the system provided by the embodiment of the present invention.

[0174] Among them, in a preferred embodiment provided by the present invention, the safety graphic display unit 103 specifically includes:

[0175] A safety sign selection module 1031, which is used to select a safety sign when there is no fire danger;

[0176] A safety model optimization module 1032, which is used to optimize the plurality of building three-dimensional models according to the safety sign to construct a plurality of safety state models;

[0177] A safety display area planning module 1033, which is used to plan a plurality of safety display areas;

[0178] A safety graphic display module 1034, which is used to perform a safety graphic display on the plurality of safety state models at the plurality of safety display areas.

[0179] Further, the graphical display system of the fire control room further includes:

[0180] A dangerous graphic display unit 104, configured to, when there is a fire danger, mark a dangerous building model from multiple three-dimensional building models, construct a dangerous state model, and perform a dangerous graphic display on the dangerous state model.

[0181] In an embodiment of the present invention, when there is a fire danger, the dangerous graphic display unit 104 selects a danger identifier (which can be a red identifier) for danger positioning, selects and marks a dangerous building model from multiple three-dimensional building models, and performs a danger positioning analysis on the dangerous building model to determine multiple dangerous positions (which can be a fire location, a leakage location, a gas leakage location, etc.). At multiple dangerous positions of the dangerous building model, the danger identifier is marked for danger, a dangerous state model is constructed, a central dangerous display area is planned in a preset graphic display area, and then, in the dangerous display area, a dangerous graphic display is performed on the dangerous state model, and the dangerous graphic display is a static display.

[0182] Specifically, Figure 9 FIG. shows a structural block diagram of the dangerous graphic display unit 104 in the system provided by an embodiment of the present invention.

[0183] Among them, in a preferred embodiment provided by the present invention, the dangerous graphic display unit 104 specifically includes:

[0184] A danger identifier selection module 1041, configured to select a danger identifier when there is a fire danger;

[0185] A danger positioning module 1042, configured to perform danger positioning and mark a dangerous building model from multiple three-dimensional building models;

[0186] A dangerous model optimization module 1043, configured to optimize the dangerous building model according to the danger identifier to construct a dangerous state model;

[0187] A dangerous display area planning module 1044, configured to plan a dangerous display area;

[0188] A dangerous graphic display module 1045, configured to perform a dangerous graphic display on the dangerous state model in the dangerous display area.

[0189] Further, the graphical display system of the fire control room further includes:

[0190] An evacuation planning display unit 105, configured to perform a safe evacuation plan based on the dangerous state model, generate a safe evacuation route, and perform a dynamic graphic display on the safe evacuation route.

[0191] In an embodiment of the present invention, the evacuation planning display unit 105 obtains the basic safe route of the danger state model, and then, according to a plurality of dangerous positions corresponding to the danger state model, performs a safe evacuation plan on the basis of the basic safe route to generate a safe evacuation route. Moreover, an evacuation identifier is obtained, and then, according to the evacuation identifier, a dynamic graphic display of the safe evacuation route is performed in the danger state model. The dynamic graphic display may be a dynamic flashing and shrinking display, which provides effective assistance for fire command.

[0192] Specifically, Figure 10 FIG. shows a structural block diagram of the evacuation planning display unit 105 in the system provided by the embodiment of the present invention.

[0193] Among them, in a preferred embodiment provided by the present invention, the evacuation planning display unit 105 specifically includes:

[0194] A basic route obtaining module 1051, configured to obtain the basic safe route of the danger state model;

[0195] A safe evacuation planning module 1052, configured to perform a safe evacuation plan according to the basic safe route to generate a safe evacuation route;

[0196] An evacuation identifier obtaining module 1053, configured to obtain an evacuation identifier;

[0197] An evacuation dynamic display module 1054, configured to perform a dynamic graphic display of the safe evacuation route in the danger state model according to the evacuation identifier.

[0198] It should be understood that although each step in the flowchart of each embodiment of the present invention is sequentially displayed according to the indication of the arrow, these steps are not necessarily executed in the order indicated by the arrow. Unless there is a clear indication in this article, the execution of these steps has no strict order limit, and these steps may be executed in other orders. Moreover, at least a part of the steps in each embodiment may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily executed at the same moment, but may be executed at different moments. The execution order of these sub-steps or stages is not necessarily sequential, but may be executed alternately or alternately with at least a part of other steps or sub-steps or stages of other steps.

[0199] Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be completed by instructing relevant hardware through a computer program. 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 methods. Among them, any reference to a memory, storage, database, or other medium used in the various embodiments provided in this application can include non-volatile and / or volatile memories. Non-volatile memories can include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory. Volatile memories can include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in various forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous link DRAM (SLDRAM), Rambus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and Rambus dynamic RAM (RDRAM), etc.

[0200] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0201] The above embodiments merely represent several implementation manners of the present invention. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

[0202] The above is only the preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle 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; Record and update the smoke and temperature sensing monitoring data and the electrical monitoring data to obtain fire monitoring data; 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; judging whether there is a fire hazard according to the fire comparison result; 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, a complex difference evaluation value is obtained by weighted Euclidean distance calculation; Wherein, 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 comprises 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, performing safety graphic display on the plurality of safety status models; 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 three-dimensional building model; The steps of performing safe evacuation planning based on the dangerous state model, generating a safe evacuation route, and dynamically displaying the safe evacuation route 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, in the dangerous state model, the safe evacuation route is dynamically displayed in graphics; 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.

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 1, 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.

4. 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 3 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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