CN117218780B - Intelligent emergency evacuation guiding system and method - Google Patents
Intelligent emergency evacuation guiding system and method Download PDFInfo
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Abstract
The invention relates to the field of park building group security protection Internet of things, in particular to an intelligent emergency evacuation guiding system and method, wherein the system comprises the following steps: the system comprises a geographic information scene module, an evacuation scheme visual creation module, an evacuation scheme execution module and an equipment linkage module, wherein the geographic information scene module is used for creating a digital plane map and marking the position of evacuation indicating equipment on the path of the digital plane map; the evacuation scheme visualization creation module is used for acquiring accident information, determining an evacuation mode and creating an evacuation route; the evacuation scheme execution module is used for controlling the opening of evacuation indication equipment based on an evacuation route; the equipment linkage module is used for generating evacuation text information and broadcasting by combining broadcasting equipment. The intelligent evacuation system is high in intelligent degree, and a reasonable intelligent evacuation scheme can be provided according to the environmental characteristics of most parks/factories with complex layout and possible accident conditions.
Description
Technical Field
The invention relates to the field of park building group security and protection Internet of things, in particular to an intelligent emergency evacuation guiding system and method.
Background
As early as 3 months and 1 day in 2019, the application of GB51309-2018 technical Standard for fire Emergency Lighting and evacuation indication System is formally implemented, and the new national standard prescribes that an intelligent centralized control emergency evacuation System needs to be installed in the following places: the place where the fire control room is arranged should select a centralized control type system, and the place where the fire control room is not arranged should select a centralized control type system.
There are two representative achievements in existing evacuation indication systems: 1. the light flashes to move the evacuation indication system. 2. An evacuation system using a precursor sound (haas effect). The disaster-stricken person is guided to escape towards the direction of the safety exit by utilizing the flashing light and the sound prompt respectively; there are also dynamic escape route systems developed and currently used in public buildings such as airports and subways. Along with the increasing importance of people on fire protection safety and the increasing popularization of fire protection related technological products, the novel intelligent escape guiding system is widely applied to gardens, factories and large buildings in the future, and becomes a main research direction of escape guiding equipment in the future.
Currently, the main disadvantages of evacuation guidance systems are as follows:
first, the common evacuation sign in market is generally a pure luminous sign, indicates that evacuation direction is single, can not play the evacuation effect effectively, makes personnel crowded in a large number in an export, causes casualties or tramples the event.
The second, the sign that the instruction direction is fixed can not avoid wrong route of fleing according to different buildings, the severity degree and the meteorological environment that fire condition/gas leaked, probably causes wrong guide, guides people to flee to the direction that catches fire or exists poisonous gas, causes bigger casualties and loss of property.
Third, the intelligent degree is poor, only has simple logic judging function or only preset some simple scenes, and cannot adapt to complex large-scale park environment and various accident conditions possibly occurring.
Fourth, most systems preset a plurality of evacuation plans according to past experience, select and compare the plan execution according to the current situation when accidents happen, and difficult to quickly change or formulate the evacuation plan according with the current situation in real time and execute the evacuation plan in a concurrent manner when accidents far from the preset situation happen, and cannot reasonably and effectively guide personnel to escape in an emergency.
Disclosure of Invention
In order to solve the technical problems, the invention provides an intelligent emergency evacuation guiding system, which comprises the following modules:
a geographic information scene module for creating a digital planar map based on actual locations of roads, buildings, facilities of a campus, the digital planar map including a starting point, a concentration point, a control point, a path, and a building, and marking locations of evacuation indication devices on the path of the digital planar map;
an evacuation plan visualization creation module, the evacuation plan visualization creation module comprising: an accident situation awareness and configuration module and an evacuation route planning module; the accident situation awareness and configuration module is used for perceiving and marking the type, the occurrence position, the severity and the influence range of the accident in real time, determining an evacuation mode and marking the position of the accident on the digital plane map; the evacuation route planning module is used for creating an evacuation route based on the evacuation mode;
the evacuation scheme execution module is used for controlling the opening of evacuation indicating equipment on a corresponding evacuation route based on the evacuation route;
the equipment linkage module is used for intelligently and automatically generating evacuation route text information based on the evacuation route, broadcasting by combining network broadcasting equipment and intelligently and automatically generating overall or local associated moving picture information of the evacuation route, and displaying by combining outdoor display equipment;
the starting point is the starting position of the evacuation route, the concentration point is the end position of the evacuation route, the control point is the intersection point of more than two paths except the starting point and the concentration point, the paths are line segments formed by connecting two adjacent points in the starting point, the concentration point and the control point, the coordinates of the paths at least comprise one of the starting point, the concentration point and the control point, and the accident point is related to a building with the accident.
In one embodiment of the present invention, the evacuation modes include a global evacuation mode, a specified facility evacuation mode, a specified evacuation radius evacuation mode, and an included wind direction evacuation mode; the method for determining the evacuation mode comprises the following steps: when the whole area is affected, determining that the evacuation mode is a global evacuation mode; when the accident only affects the vicinity of the building where the accident is located, determining that the evacuation mode is a specified facility evacuation mode; when the accident only affects the building in a certain range, determining the evacuation mode as a specified evacuation radius evacuation mode; when the accident type confirms that the toxic dangerous gas leaks and the wind direction and wind speed data acquired by the meteorological monitoring equipment exceeds a specified threshold value, the evacuation mode is determined to be a wind direction included angle evacuation mode.
In one embodiment of the invention, the system further comprises: and the evacuation route planning module divides a wind direction influence area according to wind direction data acquired by the meteorological monitoring equipment, and disables a centralized point in the wind direction area so as to determine an evacuation direction.
In one embodiment of the invention, the positions of the weather monitoring device and the outdoor display device are marked correspondingly on the digital planar map.
In one embodiment of the invention, the system further comprises: and the device management module is used for manually inputting or inputting device data in batches by a user, controlling the device and reading the state of the device.
In one embodiment of the invention, the system further comprises: the alarm device is connected with the accident situation sensing and configuring module, the alarm device transmits accident information to the control end through wireless signals, and the control end gives an alarm to the alarm center.
In one embodiment of the present invention, the evacuation route planning module is connected to the control end, and the control end designs an evacuation scheme by using the evacuation route planning module, and the formulated evacuation scheme is stored in the control end.
In one embodiment of the invention, the system further comprises: and the evacuation gateway is connected with the control end and the evacuation indication equipment.
In one embodiment of the invention, the evacuation indication device comprises a plurality of light controllers and a plurality of evacuation indication lamps, one light controller controlling at least one evacuation indication lamp.
In one embodiment of the invention, the evacuation gateway converts the evacuation scheme stored at the control end into an evacuation instruction and transmits the evacuation instruction to the light controller through a wireless communication network.
In one embodiment of the invention, the evacuation text information includes an accident type, a building to be evacuated, an evacuation route, and a length of the evacuation route.
Based on the same inventive concept, the invention also provides an intelligent emergency evacuation guiding method, which comprises the following steps:
step S1: creating a digital planar map based on actual locations of roads, buildings, facilities of the campus, the digital planar map including a start point, a concentration point, a control point, a path, and a building, and marking locations of evacuation indication devices on the path of the digital planar map;
step S2: sensing and marking the type, the occurrence position, the severity and the influence range of the accident in real time, determining an evacuation mode, and marking the position of the accident on the digital plane map;
step S3: creating an evacuation route based on the evacuation mode;
step S4: based on the evacuation route, controlling the opening of evacuation indication equipment on the corresponding evacuation route, generating evacuation route text information and an evacuation route dynamic diagram, and broadcasting and displaying by combining network broadcasting equipment and outdoor display equipment;
the starting point is the starting position of the evacuation route, the concentration point is the end position of the evacuation route, the control point is the intersection point of more than two paths except the starting point and the concentration point, the paths are line segments formed by connecting two adjacent points in the starting point, the concentration point and the control point, the coordinates of the paths at least comprise one of the starting point, the concentration point and the control point, and the accident point is related to a building with the accident.
In one embodiment of the present invention, in step S2, the method for determining an evacuation mode is: when the whole area is affected, determining that the evacuation mode is a global evacuation mode; when the accident only affects the vicinity of the building where the accident is located, determining that the evacuation mode is a specified facility evacuation mode; when the accident only affects the building in a certain range, determining the evacuation mode as a specified evacuation radius evacuation mode; when the accident type confirms that the toxic dangerous gas leaks and the wind direction and wind speed data acquired by the meteorological monitoring equipment exceeds a specified threshold value, the evacuation mode is determined to be a wind direction included angle evacuation mode.
In one embodiment of the present invention, in step S3, the method for creating an evacuation route includes: starting all starting points in the accident influence area based on the evacuation mode, and planning a directed line segment from the starting point to the concentration point according to the starting point, namely, an evacuation route; the starting point is an entrance and exit of a building body, and the concentration point is an evacuation route end point position far away from an accident influence area.
The invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes any one of the intelligent emergency evacuation guiding methods when executing the program.
The invention also provides a non-transitory computer readable storage medium having stored thereon a computer program, characterized in that the computer program, when executed by a processor, implements any of the intelligent emergency evacuation guidance methods.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the intelligent emergency evacuation guiding system and method, an existing evacuation system is updated from a non-real-time system to a real-time evacuation system, when an emergency accident occurs, an evacuation scheme closest to the real situation is selected or formulated in real time, simulation linkage display is performed, issuing is performed, evacuation indicator lamps select a correct flashing mode according to instructions to indicate evacuation routes, emergency illuminating lamps are simultaneously lightened, an emergency network broadcasting terminal plays automatically generated accident profiles and corresponding key guiding information according to different places, an outdoor display screen displays corresponding escape routes according to different places, prevention and control exercise or emergency evacuation of the whole system is performed, and emergency escape of related personnel is guided to be helped.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
Figure 1 is a core business flow chart of the evacuation system of the present invention;
figure 2 is a hardware architecture diagram of the evacuation system of the present invention;
FIG. 3 is a flowchart of an evacuation broadcast text broadcast implementation;
FIG. 4 is a flow chart of a wind direction included angle evacuation mode evacuation implementation;
FIG. 5 is an exemplary graph of angles between points of accident and points of concentration in a wind-direction coordinate system in an embodiment;
FIG. 6 is a schematic view of a wind direction bounding region given an included wind direction angle;
FIG. 7 is a split evacuation roadmap with a starting point of S28;
fig. 8 is a split evacuation route pattern with a starting point of S29;
fig. 9 is a split evacuation route pattern with a starting point of S30;
fig. 10 is a global evacuation route pattern with starting points S28, S29, S30;
fig. 11 is an evacuation route display view of an outdoor display screen, for example, a circulating water farm.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Example 1
Referring to fig. 1, the present invention provides an intelligent emergency evacuation guidance system, comprising:
a geographic information scene module for creating a digital planar map based on actual locations of roads, buildings, facilities of a campus, the digital planar map including a start point, a concentration point, a control point, a path, and building bodies, the building bodies being interrelated with the peripheral start point and the path, and marking locations of evacuation indication devices on the path of the digital planar map;
an evacuation plan visualization creation module, the evacuation plan visualization creation module comprising: an accident situation awareness and configuration module and an evacuation route planning module; the accident situation awareness and configuration module is used for perceiving and marking the type, the occurrence position, the severity and the influence range of the accident in real time, determining an evacuation mode and marking the position of the accident on the digital plane map; the evacuation route planning module is used for creating an evacuation route based on the evacuation mode;
the evacuation scheme execution module is used for controlling the opening of evacuation indicating equipment on a corresponding evacuation route based on the evacuation route;
the equipment linkage module is used for intelligently and automatically generating evacuation route text information based on the evacuation route, broadcasting by combining network broadcasting equipment and intelligently and automatically generating overall or local associated moving picture information of the evacuation route, and displaying by combining outdoor display equipment;
the device management module is used for manually inputting or inputting device data in batches by a user, controlling the device and reading the device state so as to facilitate the maintenance work of the device for the device operation and maintenance personnel.
According to the technical scheme, the intelligent emergency evacuation guiding system provided by the invention can be used for rapidly, accurately and intelligently generating the evacuation route of the whole park in a man-machine intelligent visual interaction mode, forming an evacuation scheme, actively guiding and correcting the escape direction of evacuation personnel according to the condition of fire or toxic gas leakage, guiding personnel to evacuate by combining equipment such as broadcasting equipment and the like, and avoiding the personnel from entering a high risk area by mistake.
As shown in fig. 2, the evacuation guidance system according to the present embodiment further includes: the system comprises meteorological monitoring equipment, an alarm device, a control end and an evacuation gateway.
The evacuation route planning module divides a wind direction influence area according to wind direction data acquired by the meteorological monitoring equipment, and disables a centralized point in the wind direction area to determine an evacuation direction; and the equipment linkage module generates an evacuation route dynamic diagram of the corresponding position according to the evacuation route and the position of the outdoor display equipment, and screens the evacuation route dynamic diagram to the outdoor display equipment for display. The positions of the weather monitoring equipment and the outdoor display equipment are provided with corresponding marks on the digital plane map.
In addition, the alarm device is connected with the accident situation sensing and configuration module, the alarm device transmits accident information to the control end through wireless signals, and the control end alarms to the alarm center. The evacuation route planning module is connected with the control end, the control end utilizes the evacuation route planning module to design an evacuation scheme, the formulated evacuation scheme is stored in the control end, in addition, the control end also provides various visual interfaces, when people evacuation is influenced by the road due to construction, maintenance and the like, the evacuation route can be manually modified, and people are prevented from being guided to the road where passing is forbidden.
The evacuation gateway is connected with the control end and the evacuation indication equipment. The evacuation equipment comprises a plurality of lamp controllers and a plurality of evacuation indication lamps, wherein one lamp controller at least controls one evacuation indication lamp, the position of each evacuation indication lamp is marked on the created digital plane map, the evacuation indication lamps are bound with the path where the evacuation indication lamps are located, and the lighting direction of the evacuation indication lamps corresponds to the generated evacuation route. The evacuation gateway converts the evacuation scheme stored by the control end into an evacuation instruction, and transmits the evacuation instruction to the lamp controller in a LORA data transmission mode.
In this embodiment, the evacuation modes include a global evacuation mode, a specified facility evacuation mode, a specified evacuation radius evacuation mode, and a wind direction included angle evacuation mode; the method for determining the evacuation mode comprises the following steps: when the whole area is affected, determining that the evacuation mode is a global evacuation mode; when the accident only affects the vicinity of the building where the accident is located, determining that the evacuation mode is a specified facility evacuation mode; when the accident only affects the building in a certain range, determining the evacuation mode as a specified evacuation radius evacuation mode; when the accident type confirms that the toxic dangerous gas leaks and the wind direction and wind speed data acquired by the meteorological monitoring equipment exceeds a specified threshold value, the evacuation mode is determined to be a wind direction included angle evacuation mode.
The intelligent generation of the evacuation broadcast text runs through the whole evacuation flow. As shown in fig. 3, on the premise that broadcasting equipment is deployed in an evacuation area, the equipment linkage module reads basic data and evacuation scheme information of the evacuation area, such as information of evacuated buildings, places where accidents occur, available collection places in the area, and the like, and issues a voice text broadcasting task to each broadcasting equipment, wherein broadcasting contents (i.e. evacuation text information) include: accident type, buildings to be evacuated, the route from the starting point of each building to the point of integration and the route length, etc.
Broadcast contents are divided into a public broadcast text and a local associated sparse broadcast text, wherein the public broadcast text is used for broadcasting all broadcast equipment in a whole factory, and the sparse broadcast text is used for broadcasting a certain sparse route. Taking fire accident of the finished warehouse as an example, the public broadcasting text is: "notification: the fire accident happens to the finished product warehouse, the ethylbenzene styrene, the PP tail gas treatment, the granulation factory, the finished product warehouse, the material warehouse and the personnel in the PP polymerization area please withdraw immediately, and the personnel come to the east gate, the west gate and the nearest place set respectively, and one example of the local associated evacuation broadcasting text is as follows: "PP polymerization zone, finished product warehouse, personnel evacuated from the siemens, please get to the eastern gate collection, evacuation route: starting from the Siemens, the material passes through the Siemens, the north of the material warehouse, the north of the aluminum factory, the east gate way and finally reaches the east gate, and the total length is about 318 meters. "
As shown in fig. 4, the evacuation of the included angle of the wind direction firstly determines the accident occurrence position, then combines the meteorological data collected by the meteorological monitoring equipment to define the wind direction influence range, disables the concentration point in the wind direction influence range, enables the associated starting point of the affected building, reflects the traffic capacity of the path by adjusting the weight of the path, takes the length of the path as the weight of the road, increases the weight of the path to represent the obstruction of the path traffic, and comprehensively considers the wind direction influence and the road weight influence to generate the optimal evacuation route.
Specifically, when the weather monitoring device collects wind direction data, and when an evacuation scheme is created, whether the evacuable concentration point of the park is disabled can be intelligently influenced by wind directions, wherein the wind directions are defined as eight wind directions: east wind (E), south wind (S), west wind (W), north wind (N), south east wind (E-S), south west wind (W-S), north west wind (W-N), north east wind (E-N).
Firstly, defining a standard wind direction and an angle coordinate system, wherein the north, south, west, east and west of a platform are taken as platform reference wind directions, the first quadrant and the second quadrant of the platform are-180-0 degrees, the fourth quadrant and the third quadrant of the platform are 0-180 degrees, the definition is set based on an algorithm for calculating the included angle between an accident point and a centralized point, and the coordinates x >0 and y >0 in the coordinate system. The direction of the actual area and the wind direction collected by the meteorological monitoring equipment are consistent with the reference wind direction of the platform, and the conversion is carried out when the direction is inconsistent with the reference wind direction of the platform.
As shown in fig. 5, it is assumed that the coordinates of the accident point are G (x 1 , y 1 ) The coordinates of the concentration point are Z (x 2 , y 2 ) The wind direction is northeast wind, and the included angle between the accident point and the concentration point is calculated:
。
and traversing each concentrated point, calculating the included angle between each concentrated point and the accident point, matching the included angle with the wind direction, and enabling the included angle influenced by the wind direction to be defined in the system according to wind direction data. As shown in fig. 6, when the defined wind direction influence angle is set to 90 °, the lower left corner concentration point is in the interval range of (90 °,180 °) of the lower tuyere angle of the northeast wind direction, and the concentration point is automatically disabled, otherwise enabled.
In this embodiment, the outdoor display device is arranged at each starting point of the building, and when emergency evacuation is performed, an evacuation route of the current starting point is displayed, and an outdoor display device displaying a global evacuation route is arranged, and the device linkage module generates an evacuation route dynamic diagram of a corresponding position according to the evacuation route and the position of the outdoor display device, and projects a screen to the outdoor display device of the current position for display.
Taking the accident of the pelleting plant as an example, arranging corresponding outdoor display screens at the starting points of S28, S29 and S30 to display the evacuation route of the starting point, and arranging the display screens to display the global evacuation route, wherein the display results are shown in figures 7-10.
Taking the accident occurring in the circulating water field as an example, fig. 11 shows the actual screen throwing effect of the outdoor display screen associated with the starting point of the circulating water field, the actual screen throwing effect is displayed at intervals of 5 seconds between the actual screen throwing effect and text information of the evacuation route, and the actual screen throwing effect and the text information of the evacuation route provide urgent evacuation related information for people in the area together with the corresponding evacuation route, and the text information of the evacuation route displayed by the outdoor display screen is: "personnel evacuated from north door by circulating water field, please get to the west gate collection, evacuation route: starting from the north gate, the material passes through the east path of the circulating water field, the west path of ethylbenzene styrene and the south path of the circulating water field along the way, and finally reaches the Daxigate, and the total length is about 558 meters.
In this embodiment, the types of accidents include, but are not limited to, toxic gas leakage, fire, explosion, and the like. In addition, for accidents in a controllable range, the evacuation guiding system provided by the invention can also issue an evacuation plan to the evacuation indication lamp before the accidents occur, and the opening of the evacuation indication lamp is uniformly controlled when the accidents or emergency exercises occur, so that the data transmission time is shortened, and the evacuation efficiency is higher.
Example two
Based on the same inventive concept as the first embodiment, the invention further provides an intelligent emergency evacuation guiding method, which comprises the following steps:
step S1: creating a digital planar map based on actual locations of roads, buildings, facilities of the campus, the digital planar map including a start point, a concentration point, a control point, a path, and a building, and marking locations of evacuation indication devices on the path of the digital planar map;
step S2: real-time sensing the type, occurrence position, severity and influence range of the accident, determining an evacuation mode, and marking the position of the accident on the digital plane map;
step S3: creating an evacuation route based on the evacuation mode;
step S4: based on the evacuation route, controlling the opening of evacuation indication equipment on the corresponding evacuation route, generating evacuation route text information and an evacuation route dynamic diagram, and broadcasting and displaying by combining network broadcasting equipment and outdoor display equipment;
the starting point is the starting position of the evacuation route, the concentration point is the end position of the evacuation route, the control point is the intersection point of more than two paths except the starting point and the concentration point, the paths are line segments formed by connecting two adjacent points in the starting point, the concentration point and the control point, the coordinates of the paths at least comprise one of the starting point, the concentration point and the control point, and the accident point is related to a building with the accident.
In this embodiment, in step S2, the method for determining the evacuation mode is: when the whole area is affected, determining that the evacuation mode is a global evacuation mode; when the accident only affects the vicinity of the building where the accident is located, determining that the evacuation mode is a specified facility evacuation mode; when the accident only affects the building in a certain range, determining the evacuation mode as a specified evacuation radius evacuation mode; when the accident type confirms that the toxic dangerous gas leaks and the wind direction and wind speed data acquired by the meteorological monitoring equipment exceeds a specified threshold value, the evacuation mode is determined to be a wind direction included angle evacuation mode.
In this embodiment, in step S3, the method for creating the evacuation route includes: starting all starting points in the accident influence area based on the evacuation mode, and planning a directed line segment from the starting point to the concentration point according to the starting point, namely, an evacuation route; the starting point is an entrance and exit of a building body, and the concentration point is an evacuation route end point position far away from an accident influence area.
Example III
The invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the intelligent emergency evacuation guidance method according to any one of the second embodiments when executing the program.
Example IV
The present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program, characterized in that the computer program, when executed by a processor, implements the intelligent emergency evacuation guidance method of any one of the second embodiments.
According to the intelligent emergency evacuation guiding system and the intelligent emergency evacuation guiding method, the sensing, detecting, early warning, disposing and evaluating capabilities of the intelligent park and the intelligent building emergency evacuation management and control are enhanced through the whole-process digital system, the dynamic management and control conversion of the emergency evacuation management and control from static indication to combination of accident characteristics and field environment elements is realized, the conversion from single-point prevention and control to global joint defense is realized, the intrinsic safety and emergency evacuation guarantee level of the factory or park is improved, the emergency disposal and safety prevention and control capability construction is enhanced, the intelligent emergency evacuation guiding system and the intelligent emergency evacuation guiding method are important components of an integrated management platform for safety management and control, simulation exercise and emergency rescue, and the intelligent emergency evacuation guiding system and the intelligent emergency evacuation guiding method are innovative application of a plurality of novel technologies in the intelligent park and the intelligent building emergency evacuation command field. In addition, the intelligent emergency evacuation guiding system is also suitable for the conditions of dense buildings or large facilities, such as petrochemical projects, chemical parks, filling wharfs and the like.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (14)
1. An intelligent emergency evacuation guidance system, comprising:
a geographic information scene module for creating a digital planar map based on actual locations of roads, buildings, facilities of a campus, the digital planar map including a starting point, a concentration point, a control point, a path, and a building, and marking locations of evacuation indication devices on the path of the digital planar map;
an evacuation plan visualization creation module, the evacuation plan visualization creation module comprising: an accident situation awareness and configuration module and an evacuation route planning module; the accident situation awareness and configuration module is used for perceiving and marking the type, the occurrence position, the severity and the influence range of the accident in real time, determining an evacuation mode and marking the position of the accident on the digital plane map; the evacuation route planning module is used for creating an evacuation route based on the evacuation mode;
the evacuation scheme execution module is used for controlling the opening of evacuation indicating equipment on a corresponding evacuation route based on the evacuation route;
the equipment linkage module is used for intelligently and automatically generating evacuation route text information based on the evacuation route, broadcasting by combining network broadcasting equipment and intelligently and automatically generating overall or local associated moving picture information of the evacuation route, and displaying by combining outdoor display equipment;
the starting point is the starting position of the evacuation route, the concentration point is the end position of the evacuation route, the control point is the intersection point of more than two paths except the starting point and the concentration point, the paths are line segments formed by connecting two adjacent points in the starting point, the concentration point and the control point, the coordinates of the paths at least comprise one of the starting point, the concentration point and the control point, and the accident point is related to a building with the accident;
the evacuation modes comprise a global evacuation mode, a specified facility evacuation mode, a specified evacuation radius evacuation mode and a wind direction included angle evacuation mode; the method for determining the evacuation mode comprises the following steps: when the whole area is affected, determining that the evacuation mode is a global evacuation mode; when the accident only affects the vicinity of the building where the accident is located, determining that the evacuation mode is a specified facility evacuation mode; when the accident only affects the building in a certain range, determining the evacuation mode as a specified evacuation radius evacuation mode; when the accident type confirms that toxic dangerous gas leaks and the wind direction and wind speed data acquired by the meteorological monitoring equipment exceeds a specified threshold value, determining that the evacuation mode is a wind direction included angle evacuation mode;
the method for creating the evacuation route based on the wind direction included angle evacuation mode comprises the following steps: firstly, determining an accident occurrence position, defining a wind direction influence range according to collected meteorological data, disabling a centralized point in the wind direction influence range, starting a starting point of an affected building body, taking the length of a path as the weight of a road, and controlling the traffic of the road by adjusting the weight of the road to generate an optimal evacuation route;
the acquisition method of the concentration point in the wind direction influence range comprises the following steps: defining a standard wind direction and angle coordinate system, wherein the wind direction and angle coordinate system comprises four quadrants, the first quadrant and the second quadrant are 0 to 180 degrees anticlockwise, the fourth quadrant and the third quadrant are 0 to 180 degrees clockwise, the coordinates x >0 and y >0, traversing each concentration point, calculating the included angle between each concentration point and an accident point, and matching the included angle with a preset wind direction, and judging the concentration point as the concentration point in the wind direction influence range if the concentration point is in the lower wind opening area range of the preset wind direction included angle.
2. An intelligent emergency evacuation guidance system of claim 1, further comprising: and the evacuation route planning module divides a wind direction influence area according to wind direction data acquired by the meteorological monitoring equipment, and disables a centralized point in the wind direction area so as to determine an evacuation direction.
3. An intelligent emergency evacuation guidance system of claim 2, wherein: the positions of the weather monitoring equipment and the outdoor display equipment are provided with corresponding marks on the digital plane map.
4. An intelligent emergency evacuation guidance system according to claim 1 or claim 3, further comprising: and the device management module is used for manually inputting or inputting device data in batches by a user, controlling the device and reading the state of the device.
5. An intelligent emergency evacuation guidance system of claim 1, further comprising: the alarm device is connected with the accident situation sensing and configuring module, the alarm device transmits accident information to the control end through wireless signals, and the control end gives an alarm to the alarm center.
6. An intelligent emergency evacuation guidance system of claim 5, wherein: the evacuation route planning module is connected with the control end, the control end designs an evacuation scheme by utilizing the evacuation route planning module, and the formulated evacuation scheme is stored in the control end.
7. An intelligent emergency evacuation guidance system of claim 6, further comprising: and the evacuation gateway is connected with the control end and the evacuation indication equipment.
8. An intelligent emergency evacuation guidance system according to claim 1 or claim 7, wherein: the evacuation indication device comprises a plurality of lamp controllers and a plurality of evacuation indication lamps, and one lamp controller at least controls one evacuation indication lamp.
9. An intelligent emergency evacuation guidance system of claim 8, wherein: the evacuation gateway converts the evacuation scheme stored by the control end into an evacuation instruction and transmits the evacuation instruction to the lamp controller through a wireless communication network.
10. An intelligent emergency evacuation guidance system of claim 1, wherein: the evacuation route text information comprises accident types, buildings needing evacuation, evacuation routes and lengths of the evacuation routes.
11. An intelligent emergency evacuation guiding method is characterized by comprising the following steps:
step S1: creating a digital planar map based on actual locations of roads, buildings, facilities of the campus, the digital planar map including a start point, a concentration point, a control point, a path, and a building, and marking locations of evacuation indication devices on the path of the digital planar map;
step S2: sensing and marking the type, the occurrence position, the severity and the influence range of the accident in real time, determining an evacuation mode, and marking the position of the accident on the digital plane map;
step S3: creating an evacuation route based on the evacuation mode;
step S4: based on the evacuation route, controlling the opening of evacuation indication equipment on the corresponding evacuation route, generating evacuation route text information and an evacuation route dynamic diagram, and broadcasting and displaying by combining network broadcasting equipment and outdoor display equipment;
the method for determining the evacuation mode comprises the following steps: when the whole area is affected, determining that the evacuation mode is a global evacuation mode; when the accident only affects the vicinity of the building where the accident is located, determining that the evacuation mode is a specified facility evacuation mode; when the accident only affects the building in a certain range, determining the evacuation mode as a specified evacuation radius evacuation mode; when the accident type confirms that toxic dangerous gas leaks and the wind direction and wind speed data acquired by the meteorological monitoring equipment exceeds a specified threshold value, determining that the evacuation mode is a wind direction included angle evacuation mode;
the method for creating the evacuation route based on the wind direction included angle evacuation mode comprises the following steps: firstly, determining an accident occurrence position, defining a wind direction influence range according to collected meteorological data, disabling a centralized point in the wind direction influence range, starting a starting point of an affected building body, taking the length of a path as the weight of a road, and controlling the traffic of the road by adjusting the weight of the road to generate an optimal evacuation route;
the acquisition method of the concentration point in the wind direction influence range comprises the following steps: defining a standard wind direction and angle coordinate system, wherein the wind direction and angle coordinate system comprises four quadrants, the first quadrant and the second quadrant are in anticlockwise directions of 0 to 180 degrees, the fourth quadrant and the third quadrant are in clockwise directions of 0 to 180 degrees, the coordinates x >0 and y >0, traversing each concentration point, calculating an included angle between each concentration point and an accident point, and matching the included angle with a preset wind direction, and judging the concentration point as the concentration point in the wind direction influence range if the concentration point is in a lower wind opening area range of the preset wind direction included angle;
the starting point is the starting position of the evacuation route, the concentration point is the end position of the evacuation route, the control point is the intersection point of more than two paths except the starting point and the concentration point, the paths are line segments formed by connecting two adjacent points in the starting point, the concentration point and the control point, the coordinates of the paths at least comprise one of the starting point, the concentration point and the control point, and the accident point is related to a building with the accident.
12. An intelligent emergency evacuation guidance method according to claim 11, wherein: in step S3, the method for creating the evacuation route includes: starting all starting points in the accident influence area based on the evacuation mode, and planning a directed line segment from the starting point to the concentration point according to the starting point, namely, an evacuation route; the starting point is an entrance and exit of a building body, and the concentration point is an evacuation route end point position far away from an accident influence area.
13. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the intelligent emergency evacuation guidance method of any one of claims 11 to 12 when the program is executed by the processor.
14. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements an intelligent emergency evacuation guidance method according to any of claims 11 to 12.
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