CN116189401A - Information processing method in intelligent fire control - Google Patents
Information processing method in intelligent fire control Download PDFInfo
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- CN116189401A CN116189401A CN202310002324.8A CN202310002324A CN116189401A CN 116189401 A CN116189401 A CN 116189401A CN 202310002324 A CN202310002324 A CN 202310002324A CN 116189401 A CN116189401 A CN 116189401A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/009—Signalling of the alarm condition to a substation whose identity is signalled to a central station, e.g. relaying alarm signals in order to extend communication range
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/14—Central alarm receiver or annunciator arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/59—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for emergency or urgency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/24—Multipath
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to the field of information processing, and discloses an information processing method in intelligent fire control, wherein relay key control nodes are arranged in group control nodes, adjacent node information tables are arranged in the nodes, when an emergency occurs, emergency relay communication is triggered by dividing floors and areas through a characteristic diffusion diagram acquired by a central server, meanwhile, the planning of node communication and overall bandwidth can be prolonged by means of differentiated broadcast communication of uplink and downlink channels, control of node dormancy states and the like, and the rapid and reliable transmission of information in fire crisis guaranteed.
Description
Technical Field
The invention relates to the field of garbage informatization processing, in particular to an information processing method in intelligent fire fighting.
Background
With the establishment of industrial parks in various places, fire fighting disaster reduction and the like in the industrial parks are increasingly becoming main purposes of industrial park data processing. With the development of internet of things, everything can be interconnected to become a popular, but when everything can be interconnected, for a campus, various fire hydrants, various indoor spray heads and the like, various devices can have self-triggering message interaction, so that fire control data scheduling problems are necessarily existed for a backbone network, namely, how to realize timely and rapid response of data in the fire control network, namely, the emergency data is guaranteed not to be congested by daily data, timely response can be obtained under emergency conditions, and meanwhile, the data is guaranteed to be transferred in a centralized manner to be a problem to be solved in intelligent fire control.
Disclosure of Invention
In order to solve at least one of the above technical problems, the present application proposes an information processing method in intelligent fire protection, the method includes constructing an intelligent fire protection communication network, the network includes a central server, a group control node and a group node, the group control node communicates with each other, and a key relay node is set in the group control node;
the central server divides the signal transmission information of the group control node into uplink and downlink communication channels; a node in a group control node group in a downlink channel transmits a control broadcast signal, the group node receives the control broadcast signal, and matches broadcast identification information preset in the group node according to an identification signal in the control broadcast signal, when the identification information of the group is identified, data in the control broadcast signal is read, and otherwise, a dormant state is maintained;
the group control node periodically detects the cache data of the nodes in the group, the cache data is provided with priority identifiers, the cache data is sequentially sent to the group control node according to the priority identifiers, and the group control node sends the information to a central server through the time slots of the uplink channels distributed by the group; when the emergency priority data exists, an emergency multi-chain communication mechanism is triggered by the intra-group node, an emergency control broadcast signal sent by the central server is sent to a corresponding group control node, the corresponding group control node updates and controls the information of the group according to the emergency control broadcast signal, and relay forwarding of the emergency control broadcast information is executed in the group.
Preferably, before the central server and the group control node communicate, the central server and the group control node device negotiate the corresponding relation between the link identifier and a link or a station on the link; the link identifier is carried in the control broadcast signals sent by the central server and the group control node.
Preferably, when the group control node establishes the group communication, the transmitted management frame carries an element including a link identification information field and identification ID information of the group communication.
Preferably, a group control node is selected or set in each floor setting as a boundary router of a floor, the group control node is used as a routing node in each floor, wherein each routing node creates and maintains a neighbor table in the network routing node, and the neighbor table records the neighbor network routing node or/and the boundary router of each network routing node.
Preferably, the group control node periodically accesses the cache data in the group in real time, and when the cache data meets a threshold value, the node in the group is triggered to send data; and periodically detecting data information in the fire space of the node in the data group, setting high information transmission priority in the transmitted data frame when the detected data exceeds a threshold value, triggering communication with a group control node, wherein the group control node controls adjacent nodes of the emergency state signal transmitting node to transmit channel information, and the adjacent nodes vacate the uplink bandwidth of the adjacent nodes and are used as relay nodes to preferentially receive signals transmitted by the emergency smoke alarm.
Preferably, when a node in a group detects that a threshold exceeds a threshold value, the node in the group acquires a self adjacent routing table and triggers the adjacent node to detect smoke; the control node packages and sends the smoke information and the time information forwarded by the group node to the central server, and the central server obtains a smoke expansion model feature map according to different smoke detection information in the group node and sends early warning information.
Preferably, the central server obtains the extended model feature map according to different smoke detection information in the group node and sends the early warning information, which includes: and the central server matches the smoke clock information with a smoke diffusion characteristic diagram in the control service center according to the position information, the solubility information and the smoke controller in the group information, and carries out time-sharing and distance-sharing alarm transmission on the information of diffusion floors in the expected clock.
Preferably, the time-sharing and distance-sharing alarm transmission is performed by directly sending the alarm signals to control nodes of corresponding group nodes, and after the different group control nodes acquire the control signals with high priority, sending response signals to alarm nodes in different groups according to the trigger time sequence, and evacuating people.
Preferably, sending out response signals to alarm nodes in different groups according to the trigger time sequence to evacuate the crowd comprises: and according to the position information of the user terminal acquired by the group control node, acquiring a three-dimensional model diagram established by the BIM technology, and pushing escape western information to the user equipment.
Preferably, in different group control nodes, self-contained power supply nodes are arranged, when emergency communication occurs, according to alarm information acquired by a smoke diffusion characteristic diagram, the self-contained power supply information of a key node is triggered in advance in the group control nodes, and message forwarding is carried out in the group control nodes according to a pre-configured range through the group control nodes with power supplies, and relay transmission of information is preferably carried out by adopting the self-contained power supply control nodes and the trapped user position information.
The invention discloses an information processing method in intelligent fire control, which is characterized in that relay key control nodes are arranged in group control nodes, adjacent node information tables are arranged in the nodes, when an emergency occurs, emergency relay communication is triggered by floors and areas through a characteristic diffusion diagram acquired by a central server, meanwhile, node communication and overall bandwidth planning can be prolonged by means of differentiated broadcast communication of uplink and downlink channels and control on node dormancy states and the like, and rapid and reliable transmission of information in a fire crisis is guaranteed, so that user experience is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a framework of the method application system.
Fig. 2 is a practical scenario in which the method is applicable.
Detailed Description
These and other features and characteristics of the present disclosure, as well as the methods of operation, functions of the related elements of structure, combinations of parts and economies of manufacture, may be better understood with reference to the following description and the accompanying drawings, all of which form a part of this specification. It is to be expressly understood, however, that the drawings are for the purpose of illustration and description only and are not intended as a definition of the limits of the disclosure. It will be understood that the figures are not drawn to scale. Various block diagrams are used in the present disclosure to illustrate various modifications of the embodiments according to the present disclosure.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In this context "/" means "or" for example, a/B may mean a or B; "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone.
It should be noted that, in order to clearly describe the technical solutions of the embodiments of the present application, in the embodiments of the present application, the terms "first", "second", and the like are used to distinguish the same item or similar items having substantially the same function or effect, and those skilled in the art will understand that the terms "first", "second", and the like do not limit the number and execution order. For example, the first information and the second information are used to distinguish between different information, and not to describe a particular order of information.
It should be noted that, in the embodiments of the present invention, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment should not be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.
Example 1
In a network to which the method of fig. 1 is applied, an intelligent fire-fighting communication network is constructed. The network comprises a central server, a group control node and a group node, wherein the group control node is communicated with a key relay node; the method is integrated and applied to BIM technology, the method includes dividing the information transmitted by the fire-fighting signal into uplink and downlink communication channels, transmitting control broadcast signals sent by control nodes to Internet of things equipment (nodes in a group) in the downlink channels, receiving the control broadcast signals by the Internet of things equipment, matching own broadcast identification information according to identification signals in the control broadcast signals, reading data in the control broadcast signals when the identification information of the group is identified, and otherwise maintaining a dormant state. And the Internet of things equipment detects self cache data, when the cache data exists, the information is triggered to be sent to the nodes in the group, and the control node in the group sends the information through the time slot of the uplink channel allocated by the group to send the data.
Optionally, after the system is initialized, the group control node enters a waiting state, and after the central server activates the working state of the nodes in the group, the group control node enters a monitoring state, and all the current states of the nodes in the group are fed back to the central server. After receiving the information, the central server feeds back a time signal to the group node, that is, the next uplink channel information is used as the reference time fed back to the central server next time.
And when the abnormal situation is detected in the group node, the group node automatically wakes up and timely sends the current state to the group control node.
In different embodiments, the group control node periodically detects the cache data of the nodes in the group, the cache data is provided with priority identifiers, the cache data is sequentially sent to the group control nodes in the group according to the priority identifiers, and the group control node sends the information to the central server through the time slots of the uplink channels allocated by the group; when the emergency priority data exists, an emergency multi-chain communication mechanism is triggered by the intra-group node, an emergency control broadcast signal sent by the central server is sent to a corresponding group control node, the corresponding group control node updates and controls the information of the group according to the emergency control broadcast signal, and relay forwarding of the emergency control broadcast information is executed in the group.
Optionally, the communication data in the communication transmission data format takes reliability and efficiency into consideration, wherein the data frame comprises a frame head, a frame tail, an identification, an address, data and a verification part, the frame head is opened by adopting a set character, and the frame tail is ended by using a character; the addresses are single byte addresses, alternatively 64 bytes can be used, and the addresses of the cache spaces of the group nodes on the address allocation are not connected, so that certain fault tolerance is maintained; the data portion is one byte.
Preferably, the group control node updates the information of the own group according to receiving the control broadcast signal, and when receiving the control signal sent by the service control center, that is, the central server, the group control node compares the identification of the own group, and performs relay forwarding of the control broadcast information in the group.
In the emergency multi-chain communication mechanism, the group information periodically accesses the cache data in the group only in real time at the group control node, and when the cache data meets a threshold value, the nodes in the group are triggered to send data. Therefore, node energy is saved, and information detection and allocation of relay transmission resources under emergency conditions are facilitated for the nodes. Nodes within a data group periodically detect data information in the fire space to which they belong, and when the detected data exceeds a threshold, such as when a smoke alarm finds smoke exceeding a threshold, a high information transmission priority is set in the transmitted data frame, the high priority being to trigger communication with the group control node first. The group control node controls neighboring nodes of the emergency signal transmission node to transmit channel information. The adjacent node vacates the uplink bandwidth of the adjacent node, is used as a relay node to preferentially receive signals sent by the emergency smoke alarm, triggers the adjacent node to detect smoke, packages and sends smoke information and time information forwarded by the group node, and the central control server sends control information and early warning information according to distribution diagrams of different smoke detectors in the group node.
The central server matches the information with the smoke diffusion characteristic diagram in the control service center according to the information such as the position information, the solubility information, the smoke clock information and the like of the smoke controllers in the group information, and carries out time division and distance alarm transmission on the information of diffusion floors in the expected clock.
The smoke diffusion model can specifically simulate the acquired detection data by utilizing numerical simulation, namely, the indoor and outdoor air flow scenes of a specific building, the spreading direction and speed of fire points generated in a plurality of buildings under the air flow condition, the spreading direction and concentration distribution of fire smoke dust in the inside and outside of the building are used as key parameters of the fire, and panoramic high-reduction simulation is carried out on the fire in the building to obtain a simulation model parameter characteristic diagram.
In alternative ways, other variables such as indoor and outdoor space wind speed and direction, smoke concentration, turbulence diffusion intensity can be introduced; through the parameters, the parameters are input into a smoke diffusion model feature table, a graph of smoke diffusion tracks is obtained and obtained, under the corresponding conditions, a corresponding escape and rescue route is obtained according to a risk assessment node, an emergency scheme is adopted, the floors are separated, corresponding group control nodes are sent in a time sharing mode to send fire information alarms, and a multilink relay communication mode is triggered.
The time-sharing and distance-sharing alarm is transmitted by being directly transmitted to the control node of the corresponding group node, and the transmission bandwidth is saved by being only transmitted to the group control node. After the control signals with high priority are obtained by the different group control nodes, response signals are sent to alarm nodes in different groups according to the trigger time sequence, so that people are evacuated.
For example, before communication, the central server and the group control node device may negotiate or communicate the link identifier first, and establish a correspondence between the link identifier and a link or a site (i.e., a node) on a link. In data transmission, a large amount of signaling information is not required to be transmitted to indicate a link or a station on the link, and only the link identifier is carried in the transmitted information, so that signaling overhead is reduced, and transmission efficiency is improved.
In addition, when the group control node establishes the group communication, the transmitted management frame carries an element including a link identification information field and identification ID information for communication with the group, and each link identification information field identifies the corresponding relationship of the group control station or the relay node on the optional link transmitted to the central server. Each link identification information field includes a link identification. Alternatively, the link identifier may be a MAC address, a channel number, or the like.
Optionally, the triggering control information and the early warning information further include automatically triggering and descending of the fireproof roller shutter layer in the corresponding group floor according to the smoke dispersion solubility through the group control node.
Optionally, the central server triggers the corresponding group control node according to the feature pattern to acquire and collect WIFI signal terminals of nearby users, wherein the optional signal terminals are collection mobile terminals, and the planned escape route is pushed to users in a fire disaster area according to the position information of the collection terminals in floors; the escape route is matched with the position information of the user terminal, and when the position information of the user terminal deviates from the escape route, the escape route flashes through the information of the detection sensor nodes in the group to provide guidance for the user.
In an alternative embodiment, a group control node is selected or set in each floor setting and is used as a boundary router of a floor, and optionally, the group control node is used as a routing node in each floor, wherein each routing node creates and maintains a neighbor table in the network routing node, and the neighbor table records the neighbor of each network routing node in the network routing node and/or the boundary router.
For transmission of fire information in groups in the network. In a preferred embodiment, the relay transmission mode is configured in the group in order to ensure that the fire disaster is interrupted due to the existence of different fire sensor signal routes through the transmission of the multi-node paths in the boundary router, and for data transmission among the groups, each routing node does not need to maintain a complete dynamic routing table in order to save system resources. In the group fire control node, each node is used as a network routing node to create and maintain (i.e. periodically update a neighbor table), the neighbor table records the relationship between the neighbor node of the network routing node and other network routing nodes or/and boundary routers forming a direct wireless link between the network routing node and the network routing node (single-hop routing) or/and the boundary router, and only needs to maintain the neighbor table of the adjacent group control node, namely, when the periphery of the node surrounds 3 nodes, for example, C, F and G, only needs to maintain the neighbor table formed by three relationship tables of C-E, C-F and C-G.
Illustratively, in connection with the previous establishment of multiple links between the central server and the control group node, the central server and the group control node device negotiate multiple link identification information fields during the association of the multiple links; in subsequent communications, the central server and the group control node may characterize a node in the multi-link device by using the link identification. Optionally, the dynamic transformation can be updated in real time according to the path information in the links, the construction of the multi-link equipment information is based on the change of the adjacent nodes, and when a fire disaster occurs, the adjacent nodes replace or update the relay data information according to the link information in the multi-links, so that the data transmission can be ensured to be relayed. The identification information in the multilink establishment procedure, for group communication nodes, similar to the different detection nodes, also includes a neighbor node information table. When an emergency occurs, a multilink communication mechanism is triggered.
When the control nodes in the group receive abnormal conditions, the signal intensity, the routing depth and the number of connected nodes of each network routing node are detected, and the processing nodes select paths according to the signal intensity, the routing depth and the number of connected nodes. Optionally, the group control node with the key relay node, namely the self-contained power supply, is used as a processing node to process the path parameters. The routing depth is the minimum number of hops when each node is connected with the boundary router, and each time the node is connected with the network, the node hops once when each node passes through the network, and the number of the connected nodes is the number of relay forwarding nodes or terminal nodes which are connected with each routing node.
Optionally, the central server in the server side further includes acquiring a three-dimensional model diagram established by the BIM technology according to the user terminal position information acquired by the group control node, and acquiring information of the group signal through the WIFI signal acquired by the group control terminal.
Optionally, according to the smoke diffusion model, the self-contained power supply information of the pre-triggered key node in the group control node is forwarded through the group control node with the power supply according to the pre-configured range, and the self-contained power supply information controls the information of the group node and can be identified in the multilink establishment identification or the broadcast information. And the group control nodes in the disaster-stricken park receive and trigger the information of the self-contained power supply control nodes and perform relay transmission of the information with the position information of the trapped users. As shown in FIG. 2, the method can also be applied to an intelligent fire control management platform for processing the monitoring information.
Example 2
Based on the examples described above, features relating in one embodiment to method steps may be implemented by a computer device/system provided by the invention, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements any of the methods described in the embodiments above when executing the program.
Those skilled in the art will appreciate that implementing all or part of the above-described embodiments of the method may be implemented by a computer program for instructing relevant hardware, where the program may be stored on a non-volatile computer readable storage medium, and in an embodiment of the present invention, the program may be stored on a storage medium of a computer system and executed by at least one processor in the computer system to implement the method including the embodiments of the video playing method as described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), or the like.
Accordingly, there is also provided a storage medium having stored thereon a computer program, wherein the program when executed by a processor realizes the method steps as referred to in any of the above embodiments.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. An information processing method in intelligent fire control is characterized in that: constructing an intelligent fire control communication network, wherein the network comprises a central server, group control nodes and group nodes, the group control nodes are communicated with each other, and key relay nodes are arranged in the group control nodes;
the central server divides the signal transmission information of the group control node into uplink and downlink communication channels; a node in a group control node group in a downlink channel transmits a control broadcast signal, the group node receives the control broadcast signal, and matches broadcast identification information preset in the group node according to an identification signal in the control broadcast signal, when the identification information of the group is identified, data in the control broadcast signal is read, and otherwise, a dormant state is maintained;
the group control node periodically detects the cache data of the nodes in the group, the cache data is provided with priority identifiers, the cache data is sequentially sent to the group control node according to the priority identifiers, and the group control node sends the information to a central server through the time slots of the uplink channels distributed by the group; when the emergency priority data exists, an emergency multi-chain communication mechanism is triggered by the intra-group node, an emergency control broadcast signal sent by the central server is sent to a corresponding group control node, the corresponding group control node updates and controls the information of the group according to the emergency control broadcast signal, and relay forwarding of the emergency control broadcast information is executed in the group.
2. The method of claim 1, further characterized by: before communication, the central server and the group control node negotiate the corresponding relation between the link identification and a link or a station on the link; the link identifier is carried in the control broadcast signals sent by the central server and the group control node.
3. The method of claim 2, further characterized by: when the group control node establishes the group communication, the transmitted management frame carries an element comprising a link identification information field and identification ID information for communicating with the group.
4. A method as claimed in claim 3, wherein: and selecting or setting a group control node in each floor setting as a boundary router of the floor, wherein the group control node is used as a routing node in each floor, each routing node creates and maintains a neighbor table in the network routing node, and the neighbor table records the neighbor network routing node or/and the boundary router of each network routing node.
5. The method of claim 4, wherein: the group control node periodically accesses the cache data in the group in real time, and when the cache data meets a threshold value, the node in the group is triggered to send data; and periodically detecting data information in the fire space of the node in the data group, setting high information transmission priority in the transmitted data frame when the detected data exceeds a threshold value, triggering communication with a group control node, wherein the group control node controls adjacent nodes of the emergency state signal transmitting node to transmit channel information, and the adjacent nodes vacate the uplink bandwidth of the adjacent nodes and are used as relay nodes to preferentially receive signals transmitted by the emergency smoke alarm.
6. The method of claim 5, wherein: when a node in a group detects that a threshold exceeds a threshold value, the node in the group acquires a self adjacent routing table and triggers the adjacent node to detect smoke; the group control node packages and transmits the smoke information and the time information forwarded by the group node to the central server, and the central server acquires a smoke expansion model feature map according to different smoke detection information in the group node and transmits early warning information.
7. The method of claim 6, wherein: the central server acquires an extended model feature map according to different smoke detection information in the group node and sends early warning information, and the method comprises the following steps: and the central server matches the smoke clock information with a smoke diffusion characteristic diagram in the control service center according to the position information, the solubility information and the smoke controller in the group information, and carries out time-sharing and distance-sharing alarm transmission on the information of diffusion floors in the expected clock.
8. The method of claim 7, wherein: the time-sharing and distance-sharing alarm transmission is realized by directly transmitting the alarm signals to control nodes of corresponding group nodes, and after the control signals with high priority are acquired by different group control nodes, response signals are sent to alarm nodes in different groups according to trigger time sequences to evacuate people.
9. The method as recited in claim 8, wherein: the step of evacuating the crowd by sending response signals to the alarm nodes in different groups according to the triggering time sequence comprises the following steps: and according to the position information of the user terminal acquired by the group control node, acquiring a three-dimensional model diagram established by the BIM technology, and pushing escape western information to the user equipment.
10. The method of claim 9, wherein: and setting self-contained power supply nodes in different group control nodes, when emergency communication occurs, according to alarm information acquired by a smoke diffusion characteristic diagram, triggering the self-contained power supply information of key nodes in the group control nodes in advance, forwarding a message in the group control nodes according to a pre-configured range through the group control nodes with power supplies, and preferably adopting the self-contained power supply control nodes and trapped user position information to execute relay transmission of the information.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116993917A (en) * | 2023-08-09 | 2023-11-03 | 北京泰策科技有限公司 | Fire simulation evacuation drilling method based on three-dimensional model |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116993917A (en) * | 2023-08-09 | 2023-11-03 | 北京泰策科技有限公司 | Fire simulation evacuation drilling method based on three-dimensional model |
| 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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