CN112288985A - Fire emergency escape path generation method and device based on BIM data real-time updating and computer equipment - Google Patents
Fire emergency escape path generation method and device based on BIM data real-time updating and computer equipment Download PDFInfo
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Abstract
The invention discloses a method, a device and computer equipment for generating a fire emergency escape path based on BIM data real-time update, wherein the method is applied to a building with a fire fighting system, the fire fighting system comprises a plurality of fire fighting alarm equipment, at least one fire fighting alarm equipment is arranged at a plurality of channel nodes and a plurality of outlets of the building, and the method comprises the following steps: acquiring alarm information sent by a fire fighting system; automatically loading the alarm information into a building information model corresponding to the fire fighting system; automatically generating an escape path according to the loaded building information model; and automatically sending the escape path to a terminal. The invention combines the BIM technology and the Internet of things technology and is applied to the specific problem of how to generate an escape path when a building is in a fire; compared with the prior art that the fire disaster personnel evacuation is guided by adopting a manual indicating method, the fire disaster personnel evacuation guiding method has the advantages of high efficiency and low error rate, and can greatly reduce casualties brought by fire disasters.
Description
Technical Field
The invention relates to the field of fire fighting, in particular to a fire emergency escape path generation method and device based on BIM data real-time updating and computer equipment.
Background
The Building Information model (Building Information Modeling) is based on various relevant Information data of a construction engineering project, is established, and simulates real Information of a Building through digital Information. The method has eight characteristics of information completeness, information relevance, information consistency, visualization, coordination, simulation, optimization and graphing.
The fire speed is fast when the conflagration takes place, and the intensity of a fire changes uncertain, and current fire control indicating system of fleing is fixed, can not instruct the personnel of fleing according to actual condition of a fire, especially the place (like market, hotel etc.) that the indoor structure is complicated has a plurality of exports and many escape route, and in case one of them or many escape route block up because of the conflagration emergence, personnel nevertheless flee with the passageway that blocks up just, will greatly reduced probability of fleing.
The operation mode of the fire fighting system in the building at the present stage is as follows: when a fire disaster occurs, firstly, sensing equipment such as smoke sensors and temperature sensors send out fire disaster alarm information, the alarm information is gathered to a fire control center, and the control center carries out next operation according to specific alarm conditions and a fire condition processing mode for realizing setting. The existing fire-fighting indicator lamp is only used for pre-determined fire escape indication, when a fire actually occurs, an escape path is blocked by flame, and the fire-fighting exit is difficult to reach, so that the escape fails.
Disclosure of Invention
The invention aims to provide a fire emergency escape path generation method, a fire emergency escape path generation device and computer equipment based on BIM data real-time updating, which can dynamically generate an escape path system according to the actual situation of a fire scene so as to indicate a correct escape path in a complex fire scene.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a fire emergency escape path generation method based on BIM data real-time updating is applied to a building with a fire protection system, the fire protection system comprises a plurality of fire protection alarm devices, at least one fire protection alarm device is arranged at a plurality of channel nodes and a plurality of outlets of the building, and the method comprises the following steps:
s1, acquiring alarm information sent by a fire fighting system, wherein the alarm information corresponds to at least one outlet and/or at least one channel node;
s2, automatically loading the alarm information into a building information model corresponding to the fire fighting system;
s3, automatically generating an escape path according to the loaded building information model;
and S4, automatically sending the escape route to a terminal, wherein the terminal is located in the building.
Further, step S1 is preceded by:
and the fire fighting system automatically sends the alarm information after acquiring the alarm information.
Further, the fire alarm device comprises a smoke sensor, a temperature sensor, a flame sensor, a special smell detector and/or a camera.
Further, the building information model in step S2 is built by:
acquiring a completion drawing of the building;
building the building information model according to the completion drawing;
and acquiring the site information of the building and checking the building information model according to the site information so as to ensure that the point position of the fire alarm equipment of the model building structure is consistent with the site of the building.
Further, the method further comprises:
and coding a plurality of fire-fighting alarm devices in the building information model to generate a coding table corresponding to the positions of the fire-fighting alarm devices on site.
Further, the step S3 includes:
s301, acquiring all channel nodes and outlets which do not send alarm information;
s302, determining all escape paths according to all channel nodes and exits which do not send alarm information, wherein the end point of the escape path is the exit closest to the channel nodes so as to ensure that the escape path is shortest.
Further, the step S4 is followed by:
and acquiring the position of the terminal, and determining the optimal escape path according to the channel site closest to the position.
Further, the step S4 is followed by:
and displaying the nearest escape route as a set color.
On the other hand, the invention also discloses a fire emergency escape path generation device based on BIM data real-time update, which comprises:
the fire fighting system automatically sends the alarm information to the data server after acquiring the alarm information;
the three-dimensional fire fighting platform automatically loads the alarm information into a building information model corresponding to the fire fighting system after receiving the alarm information sent by the data server, automatically generates an escape path according to the loaded building information model, and automatically sends the generated escape path to the data server;
and the data server automatically sends the alarm information to the three-dimensional fire fighting platform after receiving the alarm information, and sends the escape path to a terminal after receiving the escape path.
In other aspects, the invention also discloses a computer device for generating a fire emergency escape path based on BIM data real-time update, which comprises a processor and a machine-readable storage medium, wherein the machine-readable storage medium stores machine executable instructions capable of being executed by the processor, and the processor executes the machine executable instructions to realize the method steps.
Compared with the prior art, the invention has at least one of the following advantages:
the invention combines the BIM technology and the Internet of things technology and is applied to the specific problem of how to generate an escape path when a building is in a fire; compared with the prior art that the fire disaster personnel evacuation is guided by adopting a manual indicating method, the fire disaster personnel evacuation guiding method has the advantages of high efficiency and low error rate, and can greatly reduce casualties brought by fire disasters.
Drawings
FIG. 1 is a flowchart illustrating a method for generating a fire emergency escape route based on BIM data real-time update according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fire emergency escape path generating device updated in real time based on BIM data according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1-2 and the detailed description thereof. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "include", "include" or any other variations thereof are intended to cover non-exclusive inclusion, such that a process including a series of elements, a fire emergency escape route generation method based on BIM data real-time update, an article or a field device includes not only those elements but also other elements not explicitly listed, or also includes elements inherent to such a process, a fire emergency escape route generation method based on BIM data real-time update, an article or a field device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the process of comprising the element, the method of generating a fire emergency escape path based on real-time updates of BIM data, the article, or the field device.
Referring to fig. 1 and 2, in this embodiment, a method for generating a fire emergency escape path based on BIM data real-time update is provided, where the method is applied to a building having a fire protection system, the fire protection system includes a plurality of fire alarm devices, and at least one of the fire alarm devices is disposed at a plurality of channel nodes and a plurality of exits of the building, and the method includes:
s1, the data server acquires alarm information sent by the fire fighting system and sends the alarm information to the three-dimensional fire fighting platform, wherein the alarm information corresponds to at least one outlet and/or at least one channel node, and fire fighting alarm equipment positioned at the channel node and the outlet sends corresponding alarm information if the acquired relevant data do not accord with preset parameters; the alarm information includes but is not limited to a device list, alarm device names, alarm time, alarm reasons;
s2, the three-dimensional fire fighting platform automatically loads the alarm information into a building information model corresponding to the fire fighting system;
s3, automatically generating an escape path by the three-dimensional fire-fighting platform according to the loaded building information model;
and S4, the data server automatically sends the escape path to a terminal, wherein the terminal is located in a range taking the building center and the set length as the radius as long as the terminal is located in the building.
The escape path generation method in the embodiment applies the internet of things technology, automatically acquires alarm information, automatically processes the alarm information and generates a proper escape path, and automatically sends the escape path to a nearby terminal, so that the automation and informatization degrees are high, and the escape efficiency of people in a fire disaster is greatly improved.
The terminal may be a mobile phone, a smart phone (smart phone), a notebook (laptop computer), a terminal for digital broadcasting, a PDA (personal digital assistants), a PMP (portable multimedia player), a navigation, a tablet pc (tablet pc), a notebook (ultrabook), a wearable device (e.g., watch type terminal (smart watch), a glasses type terminal (smart glass), an HMD (head mounted display)), or the like.
In this embodiment, before the step S1, the method further includes: and the fire fighting system automatically sends the alarm information after acquiring the alarm information.
In this embodiment, the fire alarm device includes a smoke sensor, a temperature sensor, a flame sensor, a special odor detector, and/or a camera; the smoke sensor can acquire smoke concentration information of a channel node or an outlet where the smoke sensor is located in real time and compare the smoke concentration information with a preset range in smoke sensing alarm equipment, and if the detected smoke concentration information is not in the preset range, the smoke sensing alarm equipment sends the alarm information to a data server and gives an alarm sound; the temperature sensor, the flame sensor and the special smell detector are similar and are not described in detail; the camera acquires image information, and the image information is compared with the trained image. In addition, the content of the part of related data processing can be integrated into the data server to reduce the computational pressure of the fire fighting system.
In this embodiment, the building information model in step S2 is created through the following steps: acquiring a completion drawing of the building; building the building information model according to the completion drawing, and importing the building information model into a three-dimensional fire fighting platform; and acquiring the site information of the building and checking the building information model according to the site information so as to ensure that the point position of the fire alarm equipment of the model building structure is consistent with the site of the building.
In this embodiment, the method further includes:
and coding a plurality of fire-fighting alarm devices in the building information model to generate a coding table corresponding to the positions of the fire-fighting alarm devices on site. Meanwhile, a smoke sensor, a temperature sensor, a flame sensor, a special smell detector and/or a camera in each fire alarm device are/is coded.
In this embodiment, the step S3 includes: s301, acquiring all channel nodes and outlets which do not send alarm information; s302, determining all escape paths according to all channel nodes and exits which do not send alarm information, wherein the end point of the escape path is the exit closest to the channel nodes so as to ensure that the escape path is shortest.
The step S302 specifically includes: s3021, determining all exits which do not send alarm information;
and S3022, forming an escape path by taking the outlet as a terminal.
In this embodiment, after the step S4, the method further includes: and acquiring the position of the terminal, and determining the optimal escape path according to the channel site closest to the position.
In this embodiment, after the step S4, the method further includes: the recent escape path is displayed in a set color, preferably green.
Based on the same inventive concept, the embodiment also discloses a fire emergency escape path generation device based on BIM data real-time update, which is characterized by comprising:
the fire fighting system automatically sends the alarm information to the data server after acquiring the alarm information;
the three-dimensional fire fighting platform automatically loads the alarm information into a building information model corresponding to the fire fighting system after receiving the alarm information sent by the data server, automatically generates an escape path according to the loaded building information model, and automatically sends the generated escape path to the data server;
and the data server automatically sends the alarm information to the three-dimensional fire fighting platform after receiving the alarm information, and sends the escape path to a terminal after receiving the escape path.
The fire alarm equipment point location model data and alarm information related database must include the fields: device list, alarm device name, alarm time, alarm reason. And deploying the database to a data server, and setting an alarm information forwarding interface. The alarm data needs to be acquired from the fire control cabinet, the general mode is that a 485 serial port data line is connected with a server, the acquired data is connected with a background system in a butt joint mode, and a data server is deployed.
The fire fighting system and the data processing server are in data communication, the fire fighting system alarm information is actively pushed to the data server, and the alarm information content includes but is not limited to the field content mentioned in the third step and includes: device list, alarm device name, alarm time, alarm reason. The interface response time is not less than 500 ms.
And the data processing server is in data communication with the three-dimensional fire fighting platform, the communication content comprises that the data server forwards the alarm information of the fire fighting system for the three-dimensional fire fighting platform, and the three-dimensional fire fighting platform receives the alarm information and completes the generation of the escape path algorithm. And after the escape path is generated, the three-dimensional fire platform sends the escape path data to the data processing server. The interface response time is not less than 500 ms.
The data processing server is in data communication with the mobile terminal, the data processing server sends the path data to the mobile terminal, and the response time of the interface is not less than 500 ms.
The generation method of the escape route comprises the following specific steps: creating nodes: the method comprises the steps of determining all possible escape passage positions in the building, establishing a plurality of nodes corresponding to the three-dimensional model ground surface at the passage positions, setting one node at a linear distance of one to two meters along the path direction according to the density degree, and properly increasing the number of the nodes at the corners. Link path: and taking the farthest node of each floor from the safety exit as a starting point and the exit as a terminal point, and connecting paths according to each node in sequence to finally generate the escape paths of the whole building. Generating arrows and colors: all paths are illustrated as safe paths with a green rendering setup legend. Taking ten nodes as unit length on the path, generating an arrow at the center of the unit path, wherein the direction of the arrow generating the path according to the node sequence is the exit direction. And fourthly, when a fire disaster occurs on the spot, acquiring the equipment point position corresponding to the on-spot alarm equipment in the three-dimensional model, and regarding the closest node (determined by a space distance algorithm) of the equipment point position as a fire disaster occurrence point by the position of the alarm equipment, and regarding the fire disaster occurrence point as a passing danger. The color of the path where the node is located is displayed as red, and the direction of the arrow is changed to be away from the fire point and faces to the reachable safety exit.
During specific application, the actual network condition on site needs to be considered, the server needs to map data to an internal network or a public network, the data server is ensured to acquire real-time alarm information and push the real-time alarm information to the three-dimensional fire fighting platform, and finally, the mobile terminal is ensured to display and generate a fire fighting route. The fire-fighting system has corresponding fire alarm logic, and if the fire-fighting spray head needs to be triggered, more than two alarm messages need to be generated simultaneously. The escape path system also needs to be set to carry out escape alarm under corresponding conditions so as to avoid unnecessary panic caused by false alarm of the fire fighting system. When a fire disaster occurs, the three-dimensional fire fighting platform displays corresponding alarm equipment in three dimensions according to alarm information sent by the alarm equipment belonging to the fire fighting system, and meanwhile, the alarm equipment changes the state into alarm. After the fire alarm is generated, the three-dimensional platform automatically generates an escape path according to the position of the alarm device, and pushes the escape path to the mobile terminal of each person, so that the dynamically generated escape path can be displayed on a page.
Based on the same inventive concept, the embodiment also discloses a computer device for generating a fire emergency escape path based on real-time update of BIM data, which comprises a processor and a machine-readable storage medium, wherein the machine-readable storage medium stores machine-executable instructions capable of being executed by the processor, and the processor executes the machine-executable instructions to implement the method steps as claimed above.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (10)
1. A fire emergency escape path generation method based on BIM data real-time updating is characterized in that the method is applied to a building with a fire protection system, the fire protection system comprises a plurality of fire protection alarm devices, at least one fire protection alarm device is arranged at a plurality of channel nodes and a plurality of outlets of the building, and the method comprises the following steps:
s1, acquiring alarm information sent by a fire fighting system, wherein the alarm information corresponds to at least one outlet and/or at least one channel node;
s2, automatically loading the alarm information into a building information model corresponding to the fire fighting system;
s3, automatically generating an escape path according to the loaded building information model;
and S4, automatically sending the escape route to a terminal, wherein the terminal is located in the building.
2. The fire emergency escape path generating method based on BIM data real-time update of claim 1, wherein the step S1 is preceded by:
and the fire fighting system automatically sends the alarm information after acquiring the alarm information.
3. The fire emergency escape path generating method based on BIM data real-time update of claim 1, wherein the fire alarm device comprises a smoke sensor, a temperature sensor, a flame sensor, a special odor detector and/or a camera.
4. The fire emergency escape path generating method based on BIM data real-time update of claim 1, wherein the building information model in the step S2 is created by:
acquiring a completion drawing of the building;
building the building information model according to the completion drawing;
and acquiring the site information of the building and checking the building information model according to the site information so as to ensure that the point position of the fire alarm equipment of the model building structure is consistent with the site of the building.
5. The method for generating a fire emergency escape route based on BIM data real-time update as claimed in claim 1, wherein the method further comprises:
and coding a plurality of fire-fighting alarm devices in the building information model to generate a coding table corresponding to the positions of the fire-fighting alarm devices on site.
6. The fire emergency escape path generating method based on BIM data real-time update of claim 1, wherein the step S3 includes:
s301, acquiring all channel nodes and outlets which do not send alarm information;
s302, determining all escape paths according to all channel nodes and exits which do not send alarm information, wherein the end point of the escape path is the exit closest to the channel nodes so as to ensure that the escape path is shortest.
7. The method for producing a fire emergency escape route based on BIM data real-time update of claim 1, wherein the step S4 is followed by further comprising:
and acquiring the position of the terminal, and determining the optimal escape path according to the channel site closest to the position.
8. The fire emergency escape path generating method based on BIM data real-time update of claim 7, wherein the step S4 is followed by further comprising:
and displaying the nearest escape route as a set color.
9. A fire emergency escape path generation device based on BIM data real-time update is characterized by comprising:
the fire fighting system automatically sends the alarm information to the data server after acquiring the alarm information;
the three-dimensional fire fighting platform automatically loads the alarm information into a building information model corresponding to the fire fighting system after receiving the alarm information sent by the data server, automatically generates an escape path according to the loaded building information model, and automatically sends the generated escape path to the data server;
and the data server automatically sends the alarm information to the three-dimensional fire fighting platform after receiving the alarm information, and sends the escape path to a terminal after receiving the escape path.
10. A computer device for fire emergency escape path generation based on real-time update of BIM data, comprising a processor and a machine-readable storage medium storing machine-executable instructions executable by the processor, the processor executing the machine-executable instructions to implement the method steps of any one of claims 1-8.
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Cited By (12)
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| CN112991097A (en) * | 2021-03-24 | 2021-06-18 | 中国人民解放军陆军工程大学 | BIM application method for building engineering fire emergency management |
| CN113205655A (en) * | 2021-04-28 | 2021-08-03 | 中消云（北京）物联网科技研究院有限公司 | Alarm processing method and device |
| CN113220956A (en) * | 2021-05-26 | 2021-08-06 | 奥乐科技有限公司 | Building intelligent management system based on BIM |
| CN113254736A (en) * | 2021-04-13 | 2021-08-13 | 中铁第一勘察设计院集团有限公司 | BIM technology-based railway FAS alarm three-dimensional graph display method |
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| CN115171321A (en) * | 2022-07-08 | 2022-10-11 | 安徽建工集团股份有限公司建筑设计研究院 | Intelligent fire fighting management system and method based on BIM |
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| CN116993917B (en) * | 2023-08-09 | 2024-04-19 | 北京泰策科技有限公司 | Fire simulation evacuation drilling method based on three-dimensional model |
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