CN112862153B - BIM-based fire rescue method, device, storage medium and device - Google Patents
BIM-based fire rescue method, device, storage medium and device Download PDFInfo
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Abstract
The invention discloses a BIM-based fire rescue method, equipment, a storage medium and a device, wherein a BIM model is constructed according to parameter information of various security equipment and building section information, and fire alarm information is determined according to the parameter information and image information of a monitoring system; acquiring coordinate information of trapped people, and determining a target rescue route according to the coordinate information of the trapped people and a BIM (building information modeling); and sending the fire alarm information and the target rescue route to a rescue platform. As the fire alarm information is determined according to the image information of the monitoring system and the parameter information of the security equipment, the target rescue route is determined according to the BIM, and the fire alarm information and the target rescue route are sent to the rescue platform, compared with the prior art that the fire is found through manually observing the monitoring system, the artificial misjudgment is easily caused, so that the rescue time is influenced, and the target rescue route is determined through constructing the BIM, so that the rescue efficiency is improved.
Description
Technical Field
The invention relates to the field of fire rescue, in particular to a BIM-based fire rescue method, BIM-based fire rescue equipment, BIM-based fire rescue storage medium and BIM-based fire rescue device.
Background
At present, along with the development of wisdom district, the requirement such as security, travelling comfort and the functional to the resident family in district constantly improves for fire rescue becomes the problem that needs the concern more, and current fire rescue technique is through the picture of property security personnel observation monitored control system or discover the conflagration through fire alarm, often judges the conflagration condition through the manual work and can lead to the erroneous judgement, thereby causes that the rescue is untimely and the rescue scheme is unreasonable to cause bigger personnel's injury and loss of property.
The above is only for the purpose of assisting understanding of the technical solution of the present invention, and does not represent an admission that the above is the prior art.
Disclosure of Invention
The invention mainly aims to provide a BIM-based fire rescue method, device, storage medium and device, and aims to solve the technical problem that rescue is not timely due to low fire rescue efficiency in the prior art.
In order to achieve the above objects, the present invention provides a BIM-based fire rescue method, including the steps of:
acquiring parameter information and building tangent plane information of each security device, and constructing a BIM (building information modeling) according to the parameter information and the building tangent plane information;
acquiring image information of a monitoring system, and determining fire alarm information according to the parameter information and the image information;
acquiring coordinate information of trapped people, and determining a target rescue route according to the coordinate information of the trapped people and the BIM;
and sending the fire alarm information and the target rescue route to a rescue platform.
Preferably, the step of obtaining parameter information and building tangent plane information of each security device and constructing a BIM model according to the parameter information and the building tangent plane information includes:
acquiring parameter information of each security device, and extracting security event information and security device layout information from the parameter information;
normalizing the safety event information according to the floor information to obtain a safety event set;
and constructing a BIM (building information modeling) according to the security event set, the security equipment layout information and the building tangent plane information.
Preferably, the step of obtaining image information of the monitoring system and determining fire alarm information according to the parameter information and the image information includes:
acquiring image information of a monitoring system;
extracting smoke data and temperature data from the set of safety events and extracting fire flame image data from the image information;
according to a preset digital twin model, carrying out simulation on the smoke data, the temperature data and the fire flame data to obtain an expected fire range;
matching the expected fire hazard range according to a preset fire hazard alarm grade to obtain a matching result;
and determining fire alarm information according to the matching result.
Preferably, the step of performing simulation on the smoke data, the temperature data and the fire flame data according to a preset digital twin model to obtain an expected fire range includes:
according to a preset digital twin model, carrying out simulation on the smoke data, the temperature data and the fire flame data, and obtaining a simulation result;
performing data iteration on the simulation result according to preset fire rescue time and a preset virtual iteration model to obtain a target iteration result;
predicting the fire range according to the target iteration result to obtain a predicted fire range;
and searching a corresponding expected fire range in a preset virtual space mapping table according to the predicted fire range.
Preferably, the step of obtaining coordinate information of the trapped person and determining a target rescue route according to the coordinate information of the trapped person and the BIM model includes:
acquiring coordinate information of trapped people, and determining a rescue route to be selected according to the coordinate information of the trapped people and the BIM;
and determining a target rescue route according to the expected fire range and the rescue route to be selected.
Preferably, the step of determining a target rescue route according to the expected fire range and the to-be-selected rescue route includes:
determining a rescue strategy according to the expected fire range and a preset fire rescue principle;
and determining a target rescue route according to the rescue strategy and the rescue route to be selected.
Preferably, after the step of sending the fire alarm information and the target rescue route to a rescue platform, the method further includes:
determining coordinate information of people to be evacuated according to the fire alarm information;
sending escape information to a user mobile terminal according to preset user information and the coordinate information of the people to be evacuated;
and opening an escape passage based on the Internet of things system and the escape information.
In addition, to achieve the above object, the present invention further provides a BIM-based fire rescue apparatus including a memory, a processor, and a BIM-based fire rescue program stored in the memory and operable on the processor, the BIM-based fire rescue program being configured to implement the steps of BIM-based fire rescue as described above.
In addition, to achieve the above object, the present invention also provides a storage medium, on which a BIM-based fire rescue program is stored, and the BIM-based fire rescue program implements the steps of the BIM-based fire rescue method as described above when executed by a processor.
In addition, to achieve the above objects, the present invention also provides a BIM based fire rescue apparatus including:
the model building module is used for obtaining parameter information and building tangent plane information of each security device and building a BIM (building information modeling) model according to the parameter information and the building tangent plane information;
the information determining module is used for acquiring image information of a monitoring system and determining fire alarm information according to the parameter information and the image information;
the route determining module is used for acquiring coordinate information of trapped people and determining a target rescue route according to the coordinate information of the trapped people and the BIM;
and the platform selection module is used for sending the fire alarm information and the target rescue route to a rescue platform.
The method comprises the steps of obtaining parameter information and building tangent plane information of each security device, and constructing a BIM (building information modeling) according to the parameter information and the building tangent plane information; acquiring image information of a monitoring system, and determining fire alarm information according to the parameter information and the image information; acquiring coordinate information of trapped people, and determining a target rescue route according to the coordinate information of the trapped people and the BIM; and sending the fire alarm information and the target rescue route to a rescue platform. Compared with the prior art that people easily make misjudgment to influence rescue time when people find fire through a manual observation monitoring system, the invention determines the target rescue route by constructing the BIM model so as to improve rescue efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a BIM-based fire rescue device in a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a BIM-based fire rescue method according to a first embodiment of the present invention;
FIG. 3 is a schematic flow chart of a BIM-based fire rescue method according to a second embodiment of the present invention;
FIG. 4 is a schematic flow chart of a BIM-based fire rescue method according to a third embodiment of the present invention;
fig. 5 is a block diagram illustrating a first embodiment of a BIM-based fire rescue apparatus according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a BIM-based fire rescue device in a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, the BIM-based fire rescue apparatus may include: a processor 1001, such as a Central Processing Unit (CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), and the optional user interface 1003 may further include a standard wired interface and a wireless interface, and the wired interface for the user interface 1003 may be a USB interface in the present invention. The network interface 1004 may optionally include a standard wired interface, a WIreless interface (e.g., a WIreless-FIdelity (WI-FI) interface). The Memory 1005 may be a Random Access Memory (RAM) Memory or a Non-volatile Memory (NVM), such as a disk Memory. The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration shown in fig. 1 does not constitute a limitation of BIM-based fire rescue apparatus and may include more or fewer components than shown, or some components in combination, or a different arrangement of components.
As shown in fig. 1, a memory 1005, identified as one type of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and a BIM-based fire rescue program.
In the BIM-based fire rescue apparatus shown in fig. 1, the network interface 1004 is mainly used for connecting to a background server and performing data communication with the background server; the user interface 1003 is mainly used for connecting user equipment; the BIM-based fire rescue apparatus calls a BIM-based fire rescue program stored in the memory 1005 through the processor 1001 and performs the BIM-based fire rescue method provided by the embodiment of the present invention.
Based on the hardware structure, the embodiment of the BIM-based fire rescue method is provided.
Referring to fig. 2, fig. 2 is a schematic flow chart of a first embodiment of a BIM-based fire rescue method according to the present invention, and proposes the first embodiment of the BIM-based fire rescue method according to the present invention.
In a first embodiment, the BIM-based fire rescue method includes the steps of:
step S10: acquiring parameter information and building tangent plane information of each security device, and constructing a BIM (building information modeling) according to the parameter information and the building tangent plane information.
It should be noted that the execution subject of the embodiment may be a BIM management system, and may also be a device including the BIM management system, and the device may be a vehicle-mounted computer, a tablet computer, a mobile phone, a notebook computer, and the like.
It should be understood that the security device may be a device that is secured for the purpose of protecting property personnel. For example: monitoring, infrared detector, alarm, entrance guard, fire-fighting equipment and the like. The parameter information can be historical information acquired by security equipment or real-time information, and the building section information can be information corresponding to a building profile, for example: wall, column and its positioning axis.
It is understood that the BIM model refers to a Building Information Model (BIM). The building information model is a new tool for architecture, engineering and civil engineering, a virtual three-dimensional building engineering model is established, a digital technology is utilized, a complete building engineering information base consistent with the actual situation is provided for the model, and a fire rescue model is established according to the BIM model.
In specific implementation, the BIM management system can construct a corresponding fire fighting model by acquiring data information and building section information of each security device.
Step S20: and acquiring image information of a monitoring system, and determining fire alarm information according to the parameter information and the image information.
It should be noted that the monitoring system may be a system composed of a front-end audio/video acquisition device, an audio/video transmission device, and a rear-end storage, control and display device.
It should be understood that the image information may be historical image information or image information acquired in real time, which may be image information of the area covered by the monitoring system.
It is understood that the fire alarm information may be information including a time of a fire, a detailed location of the fire, a type of the fire, a substance burned by the fire, and a location of the fire contact.
In specific implementation, in order to accurately determine the fire condition, the fire alarm information can be determined according to the parameter information and the image information by acquiring the image information of the monitoring system.
Step S30: and acquiring coordinate information of the trapped personnel, and determining a target rescue route according to the coordinate information of the trapped personnel and the BIM.
It should be noted that the coordinate information of the trapped person may be the position information of the trapped person when a fire occurs, and the trapped person may be a plurality of persons or persons with different position coordinate information.
It is understood that the target rescue route may be a rescue route determined according to the coordinate information of the trapped person and the BIM model, and the rescue route may be one or more.
In the specific implementation, in order to improve the rescue efficiency, the BIM management system can determine a target rescue route according to the BIM model by acquiring coordinate information of the trapped people.
Step S40: and sending the fire alarm information and the target rescue route to a rescue platform.
It should be noted that the rescue platform may be a regional fire rescue platform, or may be a rescue platform where a manager in a region where trapped people are located is located, for example: and when a fire disaster occurs in the community, the property rescue platform is informed.
In specific implementation, in order to improve rescue efficiency, the fire alarm information and the target rescue route can be sent to a rescue platform.
According to the embodiment, parameter information and building tangent plane information of each security device are obtained, and a BIM (building information modeling) model is constructed according to the parameter information and the building tangent plane information; acquiring image information of a monitoring system, and determining fire alarm information according to the parameter information and the image information; acquiring coordinate information of trapped people, and determining a target rescue route according to the coordinate information of the trapped people and the BIM; and sending the fire alarm information and the target rescue route to a rescue platform. As the fire alarm information is determined according to the image information of the monitoring system and the parameter information of the security equipment, the target rescue route is determined according to the BIM, and the fire alarm information and the target rescue route are sent to the rescue platform, compared with the prior art that the fire is found by manually observing the monitoring system, the method and the device are easy to cause artificial misjudgment, so that the rescue time is influenced, and the target rescue route is determined by constructing the BIM, so that the rescue efficiency is improved.
Referring to fig. 3, fig. 3 is a schematic flow chart of a second embodiment of a BIM-based fire rescue method according to the present invention, and the second embodiment of the BIM-based fire rescue method according to the present invention is proposed based on the first embodiment shown in fig. 2.
In this embodiment, the step S20 includes:
step S201: the method comprises the steps of obtaining parameter information of each security device, and extracting security event information and security device layout information from the parameter information.
It should be noted that the safety event information may be data information collected by the security device when a danger occurs, for example: information collected by each security device when a fire occurs, such as: a fire in a residential home, information collected by a smoke sensor, information collected by a temperature sensor, and the like.
It can be understood that the layout information of the security equipment can be the coordinate information of the security equipment where the resident is located when a fire occurs, and can also be the coordinate information of the security equipment installed in the design process of the building.
In specific implementation, the BIM management system can acquire security event information and security equipment layout information of each security equipment based on the internet of things system.
Step S202: and normalizing the safety event information according to the floor information to obtain a safety event set.
The floor information may be doorplate information corresponding to a building floor, or information such as the size of a household area corresponding to a building floor.
It can be understood that the normalization processing may be to classify the floor information corresponding to the security event information, and use the security event information corresponding to the security device on the same floor as a security event, that is, different floors correspond to different security events, for example: in a cell, setting security event information collected by security equipment of one unit of 2-building as a security event.
It should be understood that the security event set may be a set of multiple security events, and the security event set may be determined according to the security event information collected by the security devices on different floors, for example: there are 18 layers, namely 18 security events, and 18 security events are constructed into a security event set.
In specific implementation, security equipment is installed on each floor of a community so that information can be timely acquired when a fire disaster happens, and therefore more efficient rescue efficiency is achieved, namely a security event set is built according to the security equipment on each floor.
Step S203: and constructing a BIM (building information modeling) model according to the security event set, the security equipment layout information and the building tangent plane information.
In specific implementation, in order to improve accurate simulation of fire scene conditions, a BIM model can be constructed according to a security event set, security equipment layout information and a building tangent plane information full-event set, the security equipment layout information and the building tangent plane information
Further, the step S203 includes: acquiring image information of a monitoring system; extracting smoke data and temperature data from the set of safety events and extracting fire flame image data from the image information; according to a preset digital twin model, carrying out simulation on the smoke data, the temperature data and the fire flame data to obtain an expected fire range; matching the expected fire hazard range according to a preset fire hazard alarm grade to obtain a matching result; and determining fire alarm information according to the matching result.
It should be noted that the smoke data may be data collected by a smoke sensor, the smoke data may include smoke concentration, and the smoke sensor may be an MQ-2 smoke sensor, which is used in a gas leakage detection device for households and factories, and is suitable for detection of liquefied gas, benzene, alkane, alcohol, hydrogen, smoke, and the like. The temperature data may be data collected by a temperature sensor, and the temperature data may include air temperature and humidity.
It will be appreciated that the fire flame image data may include images of smoke as well as images of flames, the main features of which include, as smoke is generated early in the flame generation: the color characteristic, the fuzzy characteristic, the motion characteristic and the main characteristic of the flame image comprise: static characteristics such as color characteristics, edge irregularity characteristics and height variation characteristics, and dynamic characteristics such as edge flicker and growth trend characteristics.
It should be understood that the preset digital twin model may be a model preset in the BIM management system, and the digital twin model is a model integrating a multi-scale and multi-probability simulation process by using data such as a physical model, sensor update, and operation history. The expected fire range may be a fire range mapped in the virtual space according to a preset digital twin model. The preset fire alarm grades can be divided into low-risk alarm, middle-risk alarm and high-risk alarm, the preset fire alarm grades are matched according to the expected fire range, the successfully matched risk grade is determined, and the fire alarm information is determined according to the risk grade.
In the specific implementation, in order to make the fire alarm information more accurate, the image information of the monitoring system can be acquired through the BIM management system; extracting smoke data and temperature data from the set of security events and extracting fire flame image data from the image information; carrying out simulation on the smoke data, the temperature data and the fire flame data according to a preset digital twin model to obtain an expected fire range; matching the expected fire hazard range according to a preset fire hazard alarm grade to obtain a matching result; and determining fire alarm information according to the matching result.
Further, the step of performing simulation on the smoke data, the temperature data and the fire flame data according to a preset digital twin model to obtain an expected fire range includes: carrying out simulation on the smoke data, the temperature data and the fire flame data according to a preset digital twin model, and obtaining a simulation result; performing data iteration on the simulation result according to preset fire rescue time and a preset virtual iteration model to obtain a target iteration result; predicting the fire range according to the target iteration result to obtain a predicted fire range; and searching a corresponding expected fire range in a preset virtual space mapping table according to the predicted fire range.
It should be noted that the simulation result may be a simulation result obtained by simulating smoke data, temperature data and fire flame data by the digital twin model and converting the simulation result into a digital, visual, networked and integrated simulation result. The preset virtual iteration model can be an iteration model which enables the simulation result to be closer to real data, the virtual iteration model can enable the data to be more accurate, and the preset fire rescue time can be the time for fire rescue personnel to achieve fire scene for fire rescue.
It can be understood that the target iteration result may be a data result of highly reducing the real world obtained by continuously performing virtual iteration on the simulation result, and predicting the fire range may refer to predicting the fire range according to the target iteration result to obtain the predicted fire range. The virtual space mapping table may be a correspondence between a virtual space in the BIM model and a predicted fire range, that is, an expected fire range is searched from the virtual space mapping table according to the predicted fire range.
In specific implementation, in order to improve accurate prediction of a fire combustion range, simulation can be performed on smoke data, temperature data and fire flame data according to a preset digital twin model, and a simulation result is obtained; performing data iteration on the simulation result according to the preset fire rescue time and the preset virtual iteration model to obtain a target iteration result; predicting the fire range according to the target iteration result to obtain a predicted fire range; and searching a corresponding expected fire range in a preset virtual space mapping table according to the predicted fire range.
In the embodiment, the parameter information of each security device is obtained, and the security event information and the security device layout information are extracted from the parameter information; normalizing the safety event information according to the floor information to obtain a safety event set; building a BIM (building information modeling) model according to the security event set, the security equipment layout information and the building section information, acquiring image information of a monitoring system, and determining fire alarm information according to the parameter information and the image information; acquiring coordinate information of trapped people, and determining a target rescue route according to the coordinate information of the trapped people and the BIM; and sending the fire alarm information and the target rescue route to a rescue platform. According to the embodiment, compared with the prior art that a fire is found through a manual observation monitoring system, artificial misjudgment is easily caused, and therefore rescue time is influenced, the target rescue route is determined through building the BIM model, and therefore rescue efficiency is improved.
Referring to fig. 4, fig. 4 is a schematic flow chart of a BIM-based fire rescue method according to a third embodiment of the present invention, which is proposed based on the second embodiment shown in fig. 3.
In this embodiment, the step of obtaining coordinate information of the trapped person and determining a target rescue route according to the coordinate information of the trapped person and the BIM model includes: acquiring coordinate information of the trapped personnel, and determining a rescue route to be selected according to the coordinate information of the trapped personnel and the BIM; and determining a target rescue route according to the expected fire range and the rescue route to be selected.
It should be noted that the coordinate information of the trapped person may be determined by help information sent by the user mobile terminal to the BIM management system, or may be determined by parameter information collected by each security device, for example: when a fire disaster happens, a user can ask for help outwards, the audio and video information collected by the monitoring system determines help-seeking information and converts the help-seeking information into help-seeking signals, and the BIM management system can position coordinate information of trapped people according to the help-seeking signals.
It can be understood that the to-be-selected rescue route may be a rescue route determined according to the BIM model and the coordinate information of the trapped person, and the to-be-selected route may be one or multiple routes, for example: when a fire disaster occurs, different rescue routes can be constructed according to different coordinate information of trapped people, such as: when a fire disaster occurs, the coordinate information of the trapped people is displayed in the elevator, namely, the trapped people are rescued according to the nearest rescue route.
It should be understood that the expected fire range may refer to the maximum range of fire to which the fire point will spread before the rescuer arrives at the scene, for example: when a fire disaster happens to the second floor of the first floor, professional rescue workers are needed to put out the fire disaster due to too large fire intensity, but the professional rescue workers need X minutes to arrive at the site, the flame can be burnt to the maximum range within X minutes, and the first floor and the third floor are involved, namely, a target rescue route is determined according to the expected fire disaster range.
In specific implementation, the BIM management system can determine a rescue route to be selected according to the coordinate information of the trapped people and the BIM model by acquiring the coordinate information of the trapped people, and determine a target rescue route according to an expected fire range and the rescue route to be selected.
Further, the step of determining a target rescue route according to the expected fire range and the to-be-selected rescue route comprises the following steps of: determining a rescue strategy according to the expected fire range and a preset fire rescue principle; and determining a target rescue route according to the rescue strategy and the rescue route to be selected.
It should be noted that the preset fire rescue principle is used for carrying out rescue according to an expected fire range, the preset fire rescue principle can be adjusted according to the expected fire range, more citizens can be rescued within a preset time according to the expected fire range, the fire spreading and expansion can be firstly controlled according to the principle of first control and then extinguishment aiming at the fire which can not be immediately rescued, and the fire can be comprehensively rescued when the fire extinguishing condition is met. When a fire disaster occurs to trapped people, the fire fighting and the rescue work are carried out simultaneously, so that the fire fighting is carried out to ensure the expansion of the fire fighting people, the escape of people is better rescued by fire fighting, and the fire scene condition displayed according to the BIM model is realized when the fire disaster is rescued. The important points are distinguished from the common points, the materials and the personnel related to the overall situation or the life safety need to be rescued preferentially, and then the common materials are rescued.
It can be understood that the expected fire range simulated based on the preset digital twin model simulation may include: the fire disaster area, the general fire disaster area, the coordinate distribution of the trapped people and the area to which the fire can spread within the preset time.
It should be understood that the rescue strategy can be generated by acquiring parameter information of each security device and image information of the monitoring system based on the internet of things, that is, the rescue strategy can be updated according to actual conditions on site, so that more accurate fire scene positioning is realized, and the rescue strategy can better meet the actual conditions. The target rescue route may be a route determined according to a rescue strategy and a rescue route to be selected, such as: the method comprises the steps of selecting a most suitable route from three to-be-selected rescue routes A, B and C as a target rescue route according to a rescue strategy.
In specific implementation, in order to improve the rescue efficiency, a rescue strategy can be determined according to the expected fire disaster range and a preset fire disaster rescue principle; and determining a target rescue route according to the rescue strategy and the rescue route to be selected.
In this embodiment, after the step S40, the method further includes:
step S410: and determining coordinate information of people to be evacuated according to the fire alarm information.
It should be noted that the coordinate information of the people to be evacuated may be coordinate information for evacuating according to a preset evacuation range according to the location where the fire occurs. The preset evacuation range may be determined according to an expected fire range. For example: when a fire disaster occurs on a certain floor of a building, the residents should be evacuated quickly, and the coordinate information of the people to be evacuated can be evacuated according to the coordinate information of the residents.
Step S420: and sending escape information to a user mobile terminal according to preset user information and the coordinate information of the people to be evacuated.
It should be noted that the preset user information may include user household information, for example: the user mobile terminal, the resident population and the resident personnel types (such as children, old people, disabled people and the like).
It is understood that the escape information may include information such as an escape route, coordinates of a fire, and an escape strategy, for example: reminding the user to go downstairs from the escape passage and reminding the householder not to select the mode of jumping, etc.
It should be understood that the escape information can be pushed to the user mobile terminal in the form of short message, image, voice, and the like.
In specific implementation, in order to reduce casualties, escape information can be sent to the user mobile terminal according to preset user information and coordinate information of people to be evacuated.
Step S430: and opening an escape passage based on the Internet of things system and the escape information.
It should be noted that the internet of things system may refer to an internet connecting everything, and is an extended and expanded network based on the internet, and a huge network system formed by combining various information sensing devices and the internet realizes the interconnection and intercommunication of people, machines and things at any time and any place.
It can be understood that the escape route may be a route for safe evacuation, such as: the tai ping door, evacuation stair, overpass, hole of fleing and evacuation guard area, if: when a building sends a fire, the entrance guard is opened based on the Internet of things.
In the specific implementation, in order to improve evacuation efficiency and save rescue time, an escape channel can be opened based on an internet of things system and the escape information, so that more efficient people evacuation is realized.
The method comprises the steps of obtaining parameter information and building tangent plane information of each security device, and constructing a BIM (building information modeling) according to the parameter information and the building tangent plane information; acquiring image information of a monitoring system, and determining fire alarm information according to the parameter information and the image information; acquiring coordinate information of trapped people, and determining a target rescue route according to the coordinate information of the trapped people and the BIM; sending the fire alarm information and the target rescue route to a rescue platform, and determining coordinate information of people to be evacuated according to the fire alarm information; sending escape information to a user mobile terminal according to preset user information and the coordinate information of the people to be evacuated; and opening an escape passage based on the Internet of things system and the escape information. According to the embodiment, compared with the prior art that a fire is found through a manual observation monitoring system, artificial misjudgment is easily caused, and therefore rescue time is influenced, the target rescue route is determined through building the BIM model, and therefore rescue efficiency is improved.
Furthermore, an embodiment of the present invention further provides a storage medium, on which a BIM-based fire rescue program is stored, and when being executed by a processor, the BIM-based fire rescue program implements the steps of the BIM-based fire rescue method as described above.
Referring to fig. 5, fig. 5 is a block diagram illustrating a first embodiment of a BIM-based fire rescue apparatus according to the present invention.
As shown in fig. 5, a BIM-based fire rescue apparatus according to an embodiment of the present invention includes:
the model building module 10 is used for obtaining parameter information and building tangent plane information of each security device and building a BIM model according to the parameter information and the building tangent plane information;
the information determining module 20 is configured to obtain image information of a monitoring system, and determine fire alarm information according to the parameter information and the image information;
the route determining module 30 is used for acquiring coordinate information of the trapped people and determining a target rescue route according to the coordinate information of the trapped people and the BIM;
and the platform selection module 40 is used for sending the fire disaster alarm information and the target rescue route to a rescue platform.
According to the embodiment, parameter information and building tangent plane information of each security device are obtained, and a BIM (building information modeling) model is constructed according to the parameter information and the building tangent plane information; acquiring image information of a monitoring system, and determining fire alarm information according to the parameter information and the image information; acquiring coordinate information of trapped people, and determining a target rescue route according to the coordinate information of the trapped people and the BIM; and sending the fire alarm information and the target rescue route to a rescue platform. As the fire alarm information is determined according to the image information of the monitoring system and the parameter information of the security equipment, the target rescue route is determined according to the BIM model, and the fire alarm information and the target rescue route are sent to the rescue platform, compared with the prior art that the fire is found by manually observing the monitoring system, the method and the device are easy to cause artificial misjudgment, so that the rescue time is influenced, and the target rescue route is determined by constructing the BIM model, so that the rescue efficiency is improved.
Further, the model building module 10 is further configured to obtain parameter information of each security device, and extract security event information and security device layout information from the parameter information; normalizing the safety event information according to the floor information to obtain a safety event set; and constructing a BIM (building information modeling) model according to the security event set, the security equipment layout information and the building tangent plane information.
Further, the information determining module 20 is further configured to obtain image information of the monitoring system; extracting smoke data and temperature data from the set of safety events and extracting fire flame data from the image information; carrying out simulation on the smoke data, the temperature data and the fire flame data according to a preset digital twin model to obtain an expected fire range; matching the expected fire hazard range according to a preset fire hazard alarm grade to obtain a matching result; and determining fire alarm information according to the matching result.
Further, the information determining module 20 is further configured to perform simulation on the smoke data, the temperature data, and the fire flame data according to a preset digital twin model, and obtain a simulation result; performing data iteration on the simulation result according to preset fire rescue time and a preset virtual iteration model to obtain a target iteration result; predicting the fire range according to the target iteration result to obtain a predicted fire range; and searching a corresponding expected fire range in a preset virtual space mapping table according to the predicted fire range.
Further, the route determining module 30 is further configured to obtain coordinate information of the trapped person, and determine a rescue route to be selected according to the coordinate information of the trapped person and the BIM model; and determining a target rescue route according to the expected fire range and the to-be-selected rescue route.
Further, the route determining module 30 is further configured to determine a rescue strategy according to the expected fire range and a preset fire rescue principle; and determining a target rescue route according to the rescue strategy and the rescue route to be selected.
Further, the BIM-based fire rescue apparatus further includes: the personnel evacuation module is used for determining coordinate information of personnel to be evacuated according to the fire alarm information; sending escape information to a user mobile terminal according to preset user information and the coordinate information of the people to be evacuated; and opening an escape passage based on the Internet of things system and the escape information.
Furthermore, an embodiment of the present invention further provides a storage medium, on which a BIM-based fire rescue program is stored, and when being executed by a processor, the BIM-based fire rescue program implements the steps of the BIM-based fire rescue method as described above.
It should be understood that the above is only an example, and the technical solution of the present invention is not limited in any way, and in a specific application, a person skilled in the art may set the technical solution as needed, and the present invention is not limited thereto.
It should be noted that the above-described work flows are only exemplary, and do not limit the scope of the present invention, and in practical applications, a person skilled in the art may select some or all of them to achieve the purpose of the solution of the embodiment according to actual needs, and the present invention is not limited herein.
In addition, the technical details that are not elaborated in this embodiment can be referred to the BIM-based fire rescue method provided in any embodiment of the present invention, and are not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrases "comprising a," "...," or "comprising" does not exclude the presence of other like elements in a process, method, article, or system comprising the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third, etc. do not denote any order, but rather the words first, second, third, etc. are to be interpreted as names.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention or portions thereof contributing to the prior art may be embodied in the form of a software product, where the computer software product is stored in a storage medium (such as a Read Only Memory image (ROM)/Random Access Memory (RAM), a magnetic disk, and an optical disk), and includes several instructions for enabling a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.
Claims (9)
1. A BIM-based fire rescue method is characterized by comprising the following steps:
acquiring parameter information of each security device, and extracting security event information and security device layout information from the parameter information;
normalizing the safety event information according to the floor information to obtain a safety event set;
building a BIM (building information modeling) model according to the security event set, the security equipment layout information and the building section information, wherein the building section information refers to building section map information corresponding to walls, columns and positioning axes of the walls and columns;
acquiring image information of a monitoring system, and determining fire alarm information according to the parameter information and the image information;
acquiring coordinate information of trapped people, and determining a target rescue route according to the coordinate information of the trapped people and the BIM;
sending the fire alarm information and the target rescue route to a rescue platform;
the step of determining fire alarm information according to the parameter information and the image information comprises the following steps:
simulating the smoke data and the temperature data in the parameter information and the corresponding characteristics of the smoke image and the flame image in the image information according to a preset digital twin model, and obtaining a simulation result;
performing data iteration on the simulation result according to preset fire rescue time and a preset virtual iteration model to obtain a target iteration result;
predicting the fire range according to the target iteration result to obtain a predicted fire range;
searching a corresponding expected fire range in a preset virtual space mapping table according to the predicted fire range, wherein the expected fire range is a fire range mapped in a virtual space according to a preset digital twin model, and the corresponding characteristics of the smoke image and the flame image comprise: the method comprises the following steps of (1) obtaining a color characteristic, a fuzzy characteristic and a motion characteristic corresponding to a smoke image, a color characteristic, an edge irregularity characteristic and a static characteristic corresponding to a flame image characteristic and a dynamic characteristic corresponding to an edge flicker and growth trend characteristic;
matching the expected fire hazard range according to a preset fire hazard alarm grade to obtain a matching result;
and determining fire alarm information according to the matching result.
2. The BIM-based fire rescue method according to claim 1, wherein the step of acquiring image information of a monitoring system and determining fire alarm information according to the parameter information and the image information comprises:
acquiring image information of a monitoring system;
extracting smoke data and temperature data from the set of safety events and extracting fire flame image data from the image information;
according to a preset digital twin model, carrying out simulation on the smoke data, the temperature data and the fire flame image data to obtain an expected fire range;
matching the expected fire hazard range according to a preset fire hazard alarm grade to obtain a matching result;
and determining fire alarm information according to the matching result.
3. The BIM-based fire rescue method according to claim 1, wherein the step of performing simulation on the smoke data, the temperature data and the fire flame data according to a preset digital twin model to obtain an expected fire range comprises:
carrying out simulation on the smoke data, the temperature data and the fire flame data according to a preset digital twin model, and obtaining a simulation result;
performing data iteration on the simulation result according to preset fire rescue time and a preset virtual iteration model to obtain a target iteration result;
predicting the fire range according to the target iteration result to obtain a predicted fire range;
and searching a corresponding expected fire range in a preset virtual space mapping table according to the predicted fire range.
4. The BIM-based fire rescue method according to claim 3, wherein the step of obtaining coordinate information of the trapped people and determining a target rescue route according to the coordinate information of the trapped people and the BIM model comprises:
acquiring coordinate information of the trapped personnel, and determining a rescue route to be selected according to the coordinate information of the trapped personnel and the BIM;
and determining a target rescue route according to the expected fire range and the rescue route to be selected.
5. The BIM-based fire rescue method according to claim 4, wherein the step of determining a target rescue route according to the expected fire range and the rescue route to be selected comprises:
determining a rescue strategy according to the expected fire range and a preset fire rescue principle;
and determining a target rescue route according to the rescue strategy and the rescue route to be selected.
6. The BIM-based fire rescue method of claim 1, wherein after the step of sending the fire alarm information and the target rescue route to a rescue platform, further comprising:
determining coordinate information of people to be evacuated according to the fire alarm information;
sending escape information to a user mobile terminal according to preset user information and the coordinate information of the people to be evacuated;
and opening an escape passage based on the Internet of things system and the escape information.
7. A BIM-based fire rescue apparatus, comprising: a memory, a processor, and a BIM based fire rescue program stored on the memory and executable on the processor, the BIM based fire rescue program when executed by the processor implementing the steps of the BIM based fire rescue method as recited in any one of claims 1 to 6.
8. A storage medium having stored thereon a BIM-based fire rescue program which, when executed by a processor, implements the steps of the BIM-based fire rescue method as recited in any one of claims 1 to 6.
9. A BIM-based fire rescue apparatus, comprising:
the model building module is used for acquiring parameter information of each security device and extracting security event information and security device layout information from the parameter information; normalizing the safety event information according to the floor information to obtain a safety event set; building a BIM (building information modeling) model according to the security event set, the security equipment layout information and the building section information, wherein the building section information refers to building section map information corresponding to walls, columns and positioning axes of the walls and columns;
the information determining module is used for acquiring image information of a monitoring system and determining fire alarm information according to the parameter information and the image information;
the route determining module is used for acquiring coordinate information of the trapped people and determining a target rescue route according to the coordinate information of the trapped people and the BIM;
the platform selection module is used for sending the fire alarm information and the target rescue route to a rescue platform;
the information determination module is further used for carrying out simulation on the smoke data and temperature data information in the parameter information and the characteristics corresponding to the smoke image and the flame image in the image information according to a preset digital twin model, and obtaining a simulation result; performing data iteration on the simulation result according to preset fire rescue time and a preset virtual iteration model to obtain a target iteration result; predicting the fire range according to the target iteration result to obtain a predicted fire range; searching a corresponding expected fire range in a preset virtual space mapping table according to the predicted fire range, wherein the expected fire range is a fire range mapped in a virtual space according to a preset digital twin model, and the corresponding characteristics of the smoke image and the flame image comprise: the method comprises the following steps of (1) obtaining a color characteristic, a fuzzy characteristic and a motion characteristic corresponding to a smoke image, a color characteristic, an edge irregularity characteristic and a static characteristic corresponding to a flame image characteristic and a dynamic characteristic corresponding to an edge flicker and growth trend characteristic;
the information determining module is also used for matching the expected fire range according to a preset fire alarm grade to obtain a matching result;
and the information determining module is also used for determining fire alarm information according to the matching result.
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