CN112949790A

CN112949790A - High-rise fire escape path planning system, method, equipment and medium

Info

Publication number: CN112949790A
Application number: CN202110154574.4A
Authority: CN
Inventors: 高锦欣; 罗良国; 程其政; 童志平; 潘方亮; 吴琼; 倪玲玲
Original assignee: Shanghai Handrail Safety Control Equipment Co ltd
Current assignee: Shanghai Handrail Safety Control Equipment Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-06-11

Abstract

The invention discloses a high-rise fire escape path planning system, a method, equipment and a medium, wherein the method comprises the following steps: collecting a monitoring image of a first floor of a high-rise building; carrying out image recognition on the monitoring image to obtain first position information of each combustion point in the floor; collecting second position information of a positioning label in the floor; taking the path with the shortest moving time of the monitored object in the alternative paths as the escape path of the monitored object; the system can obtain the position of the monitored object, namely the personnel, in the floor as a starting node by using the positioning labels related to the personnel in the high-rise building, and a burning point in each floor and an aggregation node of the personnel are used as avoidance nodes, so that a plurality of alternative paths are planned for the monitored object, and the shortest moving time is selected as the escape path of the monitored object, so that the monitored object can quickly escape.

Description

High-rise fire escape path planning system, method, equipment and medium

Technical Field

The invention relates to a technology in the field of fire prevention, in particular to a high-rise fire escape path planning system, a method, equipment and a medium.

Background

The existing high-rise building has the characteristics that: firstly, the personnel density is high, and the burst factors are many; the number of layers is large, the vertical distance is long, and the time for evacuating to the ground or other safe places is long; and thirdly, the rescue difficulty is high when a fire disaster or other emergency situations occur. Under the characteristics, the high-rise fire has the characteristics of quick fire spread, difficult evacuation and great difficulty in fighting and rescuing, and the high-rise has complex structure and dense personnel, and is difficult to control and escape once on fire. After a real fire occurs, the fire scale and the evacuation condition of the building personnel can not be accurately and timely verified, and the evacuation is difficult and the equipment capability is poor. People in the high-rise building cannot timely and effectively obtain the optimal escape path, so that a large number of people die.

With the rise of the internet of things, more and more internet of things products which are closely related to life and work of people and the like begin to be popular. Communication between products of the internet of things or between the products of the internet of things and a base station is generally limited to the communication mode of the products of the internet of things. The LoRa technology is an ultra-long-distance and low-power-consumption solution of the Internet of things provided by Semtech corporation, and a LoRaWAN protocol is adopted as a communication protocol between devices. Bluetooth (Bluetooth) is one of the mainstream technologies for implementing wireless personal area network communication because it is a small-range wireless connection technology that can implement convenient, fast, flexible, secure, low-cost, and low-power data communication and voice communication between devices. Connection to other networks may lead to a wider range of applications. The wireless communication method is a sophisticated open wireless communication method, can enable various digital devices to communicate wirelessly, and is one of wireless network transmission technologies.

Disclosure of Invention

The invention provides a high-rise fire escape path planning system, a method, equipment and a medium for solving the defects in the prior art, which can plan a plurality of alternative paths for a monitored object by taking the position of the monitored object, namely a person in a floor, obtained by a positioning label associated with the person in the high-rise as a starting node and taking a burning point in each floor and an aggregation node of the person as an evasion node, and select the escape path with the shortest moving time as the detected object so that the detected object can quickly escape.

According to one aspect of the invention, a method for planning a fire escape path of a high-rise building is provided, which comprises the following steps:

collecting a monitoring image of a first floor of the high building;

performing image recognition on the monitoring image to obtain first position information of each combustion point in the building;

acquiring second position information of a positioning tag in the floor, wherein the positioning tag is associated with a monitored object;

forming an avoidance node in an electronic map of the floor according to the first position information of each combustion point;

forming a starting node in the electronic map according to the second position information of the positioning label;

forming a plurality of alternative paths on the electronic map according to the avoiding node and the starting node;

taking the path with the shortest moving time of the monitored object in the alternative paths as an escape path of the monitored object;

and sending the escape path to a terminal associated with the monitored object.

Preferably, the acquiring the second position information of a positioning tag in the floor includes:

receiving a positioning signal sent by the positioning label;

generating position data of the positioning label according to the positioning signal;

and generating the second position information of the positioning label according to the position data.

Preferably, the forming of an avoidance node in an electronic map of the floor according to the first position information of each of the burning points and the forming of a start node in the electronic map according to the second position information of the positioning tag further include:

performing image recognition on the monitoring image to obtain third position information of each person in the floor;

forming a plurality of personnel nodes in the electronic map of the floor according to each piece of third position information;

clustering the personnel nodes in the electronic map to obtain a plurality of aggregation nodes;

and taking the aggregation node as an avoidance node in the electronic map.

Preferably, the step of using the path with the shortest moving time of the object in the alternative paths as the escape path of the object includes:

obtaining the moving speed of the monitored object according to the monitoring images of two adjacent frames;

obtaining the moving time corresponding to each alternative path according to the moving speed of the monitored object;

and taking the alternative path with the shortest moving time as the escape path of the monitored object.

Preferably, the time interval for the positioning tag to transmit the positioning signal is less than 1 second.

Preferably, the positioning tag comprises a LoRaWAN protocol wireless transmission module.

Preferably, the positioning tag comprises a Bluetooth protocol wireless transmission module.

According to an aspect of the present invention, there is provided a high-rise fire escape path planning system, including:

the acquisition module is used for acquiring a monitoring image of a first floor of the high-rise building;

the identification module is used for carrying out image identification on the monitoring image to obtain first position information of each combustion point in the building;

the positioning module is used for acquiring second position information of a positioning tag in the floor, wherein the positioning tag is associated with a monitored object;

the first generation module is used for forming an avoidance node in an electronic map of the floor according to the first position information of each combustion point;

the second generation module is used for forming an initial node in the electronic map according to the second position information of the positioning label;

the path module is used for forming a plurality of alternative paths on the electronic map according to the evasion nodes and the starting nodes;

the selection module is used for taking the path with the shortest moving time of the monitored object in the alternative paths as an escape path of the monitored object;

the sending module is used for sending the escape path to a terminal associated with the monitored object

According to an aspect of the present invention, there is provided a high-rise fire escape path planning apparatus including:

a processor;

a memory having stored therein executable instructions of the processor;

wherein the processor is configured to perform the steps of the high-rise fire escape path planning method via execution of the executable instructions.

According to an aspect of the present invention, there is provided a computer-readable storage medium storing a program which, when executed, implements the steps of the method for planning a path for escaping from a fire from a tall building.

The beneficial effects of the above technical scheme are:

according to the high-rise fire escape path planning system, the method, the equipment and the medium, the positions of monitored objects, namely people in floors can be obtained through positioning labels related to the people in the high-rise, and are used as starting nodes, and the burning points in each floor and the gathering nodes of the people are used as avoidance nodes, so that a plurality of alternative paths are planned for the monitored objects, and the shortest moving time is selected as the escape path of the detected object, so that the detected object can quickly escape.

Further features and advantages of the invention, as well as the structure and operation of various embodiments of the invention, are described in detail below with reference to the accompanying drawings. It should be noted that the present invention is not limited to the specific embodiments described herein. These examples are given herein for illustrative purposes only.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.

FIG. 1 is a specific implementation scenario of a method for planning a fire escape path of a high-rise building;

FIG. 2 is a schematic flow chart of a method for planning a path for escaping from a fire in a high-rise building;

FIG. 3 is a schematic diagram of a second position information acquisition process;

FIG. 4 is a schematic flow chart of another method for planning a fire escape path from a high-rise building;

FIG. 5 is a flow chart of an escape route selection method;

FIG. 6 is a block diagram of a system for planning a path for escaping from a fire in a high-rise building according to the present invention;

FIG. 7 is a plan view of a path for escaping from a fire in a high-rise building according to the present invention;

fig. 8 is a schematic structural diagram of a computer-readable storage medium of the present invention.

The features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Throughout the drawings, like reference numerals designate corresponding elements. In the drawings, like reference numbers generally indicate identical, functionally similar, and/or structurally similar elements.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

As used in this application, the terms "first," "second," and the like do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.

According to one aspect of the invention, a method for planning a fire escape path of a high-rise building is provided.

Fig. 1 is a specific implementation scenario of a high-rise fire escape path planning method. Fig. 1 shows an implementation scenario 100 in which a platform terminal 101 is connected to a terminal 104 via a network 102, and a monitored object 103 holds the terminal 104. The

aggregation nodes

109, 110, 111 including people aggregation and the burning

points

106, 107, 108 are included in the floor, and the

aggregation nodes

109, 110, 111 and the burning

points

106, 107, 108 are all evasive nodes in the electronic map of the floor. A plurality of

candidate paths

112, 113, 114, 115 can be obtained with the position of the monitored object 103 as the start node 105. The monitored object 103 is also associated with a positioning tag, and a LoRaWAN protocol wireless transmission module or a Bluetooth protocol wireless transmission module is arranged in the positioning tag. The communication and the positioning signal transmission before the platform terminal 101 are realized through a LoRaWAN protocol wireless transmission module or a Bluetooth protocol wireless transmission module.

The platform terminal 101 may be, but is not limited to, an electronic device capable of automatically performing numerical calculation and information processing according to implementation-set or stored instructions, and hardware thereof includes, but is not limited to, a microprocessor, an Application Specific Integrated Circuit (ASIC), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a Digital Signal Processor (DSP), an embedded device, and the like. The platform terminal 101 may also be a desktop computer, a network host, a single network server, a plurality of network server clusters, or a cloud consisting of a plurality of servers; here, the Cloud is composed of a large number of computers or web servers based on Cloud Computing (Cloud Computing), which is one of distributed Computing, a virtual supercomputer consisting of a group of loosely coupled computers. The network may include, but is not limited to, the internet, a wide area network, a metropolitan area network, a VPN network, a wireless Ad Hoc network (Ad Hoc network), etc. The terminal 104 may be, but is not limited to, an electronic device capable of automatically performing numerical calculation and information processing according to implementation-set or stored instructions, and hardware thereof includes, but is not limited to, a microprocessor, an Application Specific Integrated Circuit (ASIC), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a Digital Signal Processor (DSP), an embedded device, and the like. The terminal 104 may also be a desktop computer, a network host, a single network server, a cluster of multiple network servers, or a cloud of multiple servers; here, the Cloud is composed of a large number of computers or web servers based on Cloud Computing (Cloud Computing), which is one of distributed Computing, a virtual supercomputer consisting of a group of loosely coupled computers. The network may include, but is not limited to, the internet, a wide area network, a metropolitan area network, a VPN network, a wireless Ad Hoc network (Ad Hoc network), etc.

Fig. 2 is a flow chart of a method for planning a fire escape path from a high-rise building. The method for planning the escape route from a fire in a tall building shown in fig. 2 includes steps S101, S102, S103, S104, S105, S106, S107, and S108. In step S101, a monitoring image of a floor of a building is acquired. In step S102, the platform terminal 101 performs image recognition on the monitoring image to obtain first position information of each combustion point in the floor; in step S103, the platform terminal 101 acquires second position information of a positioning tag in the floor, where the positioning tag is associated with a monitored object. In step S104, an avoidance node is formed in the electronic map of the floor according to the first position information of each combustion point. For example, the combustion points 106, 107, 108 all act as an evasive node in the electronic map. In step S105, the platform terminal 101 forms a start node 105 in the electronic map according to the second location information of the positioning tag. In step S106, the platform terminal 101 forms a plurality of candidate paths on the electronic map according to the avoidance node and the start node. After the platform terminal 101 avoids the

avoidance nodes

106, 107, 108, a plurality of

alternative paths

112, 113, 114, 115 are obtained. The time interval for sending the positioning signal by the positioning tag is less than 1 second. In step S107, the path having the shortest movement time of the object among the candidate paths is set as the escape path of the object. The alternative path 112 with the shortest moving time among the

alternative paths

112, 113, 114, 115 is used as an escape path. In step S108, the platform terminal 101 sends the escape path 112 to a terminal 104 associated with the monitored object 103.

Fig. 3 is a schematic diagram of a second position information acquisition process. Step S103 includes step S201, step S202, and step S203. In step S201, the platform terminal 101 receives a positioning signal sent by a positioning tag. In step S202, the platform terminal 101 generates position data of a positioning tag according to the positioning signal; in step S203, the platform terminal 101 generates second position information of the positioning tag from the position data. The start node 105 may be generated from the second location information.

Fig. 4 is a flow chart of another method for planning a fire escape path from a high-rise building. The method for planning a fire escape route from a high-rise building shown in fig. 4 includes, in addition to the above steps S101 to S108, steps S401, S402, S403, and S404 between step S104 and step S105. In step S401, image recognition is performed on the monitoring image, and third position information of each person on the floor is obtained. In step S402, a plurality of person nodes are formed in the electronic map of the floor according to each third location information. In step S403, the person nodes in the electronic map are clustered to obtain a plurality of aggregation nodes. E.g.

aggregation nodes

109, 110, 111. In step S404, the aggregation node is regarded as an avoidance node in the electronic map. I.e. the

aggregation nodes

109, 110, 111 and the combustion points 106, 107, 108 together constitute an evasive node.

Fig. 5 is a flow chart of an escape route selection method. The method shown in fig. 5 includes step S501, step S502, and step S503. In step S501, the platform terminal 101 obtains the moving speed of the object from the monitoring images of two adjacent frames. In step S502, the platform terminal 101 obtains a moving time corresponding to each candidate path according to the moving speed of the object. In step S503, the platform terminal 101 sets the candidate path having the shortest movement time as the escape path of the object.

According to one aspect of the invention, a high-rise fire escape path planning system is provided.

Fig. 6 is a block diagram of a high-rise fire escape path planning system according to the present invention. The high-rise fire escape path planning system 300 shown in fig. 6 includes:

the acquisition module 301 acquires a monitoring image of a first floor of a high-rise building;

the identification module 302 is used for carrying out image identification on the monitoring image to obtain first position information of each combustion point in the building;

the positioning module 303 is configured to acquire second position information of a positioning tag in the floor, where the positioning tag is associated with a monitored object;

a first generation module 304, which forms an avoidance node in an electronic map of a floor according to the first position information of each combustion point;

a second generating module 305, which forms an initial node in the electronic map according to the second location information of the positioning tag;

a path module 306, which forms a plurality of alternative paths on the electronic map according to the evasive nodes and the initial nodes;

the selecting module 307 takes the path with the shortest moving time of the monitored object in the alternative paths as the escape path of the monitored object;

the sending module 308 sends the escape path to a terminal associated with the monitored object.

According to an aspect of the present invention, there is provided a high-rise fire escape path planning apparatus including: a processor; a memory having stored therein executable instructions of the processor; wherein the processor executes the steps of the method for planning the escape route from a fire in a high-rise building when the executable instructions are executed.

Fig. 7 is a high-rise fire escape path planning apparatus of the present invention. An electronic device 600 according to this embodiment of the invention is described below with reference to fig. 7. The electronic device 600 shown in fig. 7 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present invention.

As shown in fig. 7, the electronic device 600 is embodied in the form of a general purpose computing device. The components of the electronic device 600 may include, but are not limited to: at least one processing unit 610, at least one memory unit 620, a bus 630 connecting the different platform components (including the memory unit 620 and the processing unit 610), a display unit 640, etc.

Wherein the storage unit stores program codes, which can be executed by the processing unit 610, so that the processing unit 610 performs the above steps in this specification. For example, processing unit 610 may perform the steps as shown in fig. 2.

The storage unit 620 may include readable media in the form of volatile memory units, such as a random access memory unit (RAM)6201 and/or a cache memory unit 6202, and may further include a read-only memory unit (ROM) 6203.

The memory unit 620 may also include a program/utility 6204 having a set (at least one) of program modules 6205, such program modules 6205 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which, or some combination thereof, may comprise an implementation of a network environment.

Bus 630 may be one or more of several types of bus structures, including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.

The electronic device 600 may also communicate with one or more external devices 700 (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device 600, and/or with any devices (e.g., router, modem, etc.) that enable the electronic device 600 to communicate with one or more other computing devices. Such communication may occur via an input/output (I/O) interface 650. Also, the electronic device 600 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network such as the Internet) via the network adapter 660. The network adapter 660 may communicate with other modules of the electronic device 600 via the bus 630. It should be appreciated that although not shown in the figures, other hardware and/or software modules may be used in conjunction with the electronic device 600, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage platforms, to name a few.

According to an aspect of the present invention, there is provided a computer readable storage medium storing a program which, when executed, performs the steps of the above method.

Fig. 8 is a schematic structural diagram of a computer-readable storage medium of the present invention. Referring to fig. 8, a program product 800 for implementing the above method according to an embodiment of the present invention is described, which may employ a portable compact disc read only memory (CD-ROM) and include program code, and may be run on a terminal device, such as a personal computer. However, the program product of the present invention is not limited in this regard and, in the present document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.

The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

A computer readable storage medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable storage medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a readable storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

Program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server. In the case of a remote computing device, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., through the internet using an internet service provider).

In summary, according to the system, the method, the device and the medium for planning the escape path from the high-rise fire, the positions of the monitored objects, namely the persons in the floors, are obtained by the positioning tags associated with the persons in the high-rise as the starting nodes, and the burning points and the gathering nodes of the persons in each floor are used as the avoidance nodes, so that a plurality of alternative paths are planned for the monitored objects, and the shortest moving time is selected as the escape path of the detected object, so that the detected object can rapidly escape.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims

1. A method for planning a fire escape path of a high-rise building is characterized by comprising the following steps:

collecting a monitoring image of a first floor of a high-rise building;

and sending the escape path to a terminal associated with the monitored object.

2. The method as claimed in claim 1, wherein the collecting second location information of a location tag in the building comprises:

receiving a positioning signal sent by the positioning label;

3. The method as claimed in claim 2, wherein the step of forming an evading node in the electronic map of the floor according to the first location information of each of the burning points and a starting node in the electronic map according to the second location information of the positioning tag further comprises:

and taking the aggregation node as an avoidance node in the electronic map.

4. The method according to claim 1, wherein the step of using the path with the shortest moving time of the object in the candidate paths as the escape path of the object comprises:

5. The method as claimed in claim 2, wherein the time interval for the positioning tag to transmit the positioning signal is less than 1 second.

6. The method as claimed in claim 1, wherein the positioning tag comprises a LoRaWAN protocol wireless transmission module.

7. The method as claimed in claim 1, wherein the positioning tag comprises a Bluetooth protocol wireless transmission module.

8. A high-rise fire escape path planning system is characterized by comprising:

and the sending module is used for sending the escape path to a terminal associated with the monitored object.

9. A high-rise fire escape path planning device is characterized by comprising:

a processor;

a memory having stored therein executable instructions of the processor;

wherein the processor is configured to execute the steps of the method for planning the escape path from a fire in a high-rise building according to any one of claims 1 to 6 by executing the executable instructions.

10. A computer-readable storage medium storing a program, wherein the program is configured to implement the steps of the method for planning a path for fire escape from a tall building according to any one of claims 1 to 6 when executed.