Intelligent evacuation indication system

Abstract

The present application relates to a kind of intelligent evacuation indicating systems, comprising: intelligent evacuation indicating light board, environmental information acquisition device, evacuation control platform and management terminal;Intelligent evacuation indicating light board is installed in the roadside of factory area, for lighting and indicating evacuation direction;Environmental information acquisition device is used to collect factory area environmental information and accident scene information;Evacuation control platform is connected with intelligent evacuation indicating light board, environmental information acquisition device two-way communication, and evacuation control platform is combined with the shortest path evacuation principle and risk avoidance evacuation principle according to factory area environmental information and accident scene information collected by environmental information acquisition device, and multiple evacuation routes are formulated, and multiple evacuation routes are sent to management terminal;Manager selects one kind of evacuation route from multiple evacuation routes or adjusts the evacuation route selected as final evacuation route by management terminal;Evacuation control platform controls the luminance and evacuation direction of intelligent evacuation indicating light board according to final evacuation route.

Description

Technical Field

[0001] This invention relates to the field of evacuation guidance technology, and in particular to an intelligent evacuation guidance system. Background Technology

[0002] In the event of a sudden disaster, the lack of effective emergency evacuation instructions can lead to chaos and disorder as people flee the disaster area, affecting evacuation efficiency and potentially causing irreparable losses such as personal injury. Therefore, the importance of an emergency evacuation instruction system is self-evident. Currently, the field of evacuation guidance technology only offers fire emergency evacuation guidance systems for buildings (indoors). These systems are unsuitable for outdoor flammable and explosive locations. Furthermore, personnel evacuation in flammable and explosive locations remains at a rudimentary stage, relying on traditional evacuation indicator lights, without a systematic approach. Traditional evacuation indicator lights are mostly used indoors, offering limited functionality by indicating a fixed direction. They cannot dynamically adjust the direction based on actual emergency escape needs, providing necessary safety location guidance and failing to provide accurate directional guidance for affected personnel. Secondly, existing evacuation indicator lights and emergency lighting are installed independently, lacking spatial consistency and coordination. When a disaster occurs at night, the brightness of the evacuation indicator lights cannot be guaranteed, making it difficult to effectively guide affected personnel to evacuate. Finally, in outdoor explosions and fires, the situation is easily affected by wind speed and direction. Existing emergency guidance solutions using evacuation indicator lights cannot cope with environmental variability and cannot quickly and intelligently guide affected personnel to evacuate. Especially in industries such as petrochemicals and coal, an explosion in one piece of equipment may trigger a chain reaction in upstream and downstream equipment, causing further explosions.

[0003] Therefore, there is an expectation for an instruction system that can effectively guide personnel evacuation and relocation in the event of an accident or disaster in a factory located in an area with a risk of explosion or fire. Summary of the Invention

[0004] The purpose of this invention is to provide an intelligent evacuation guidance system that can effectively guide personnel to evacuate and retreat safely when accidents or disasters occur in factories located in explosion or fire hazard areas.

[0005] To achieve the above objectives, the present invention provides an intelligent evacuation guidance system, comprising: an intelligent evacuation indicator sign, an environmental information collection device, an evacuation control platform, and a management terminal;

[0006] The intelligent evacuation indicator signs are installed on the roadside in the factory area for lighting and indicating evacuation direction;

[0007] The environmental information collection device is used to collect environmental information of the factory area and accident scene information;

[0008] The evacuation control platform is bidirectionally connected to the intelligent evacuation indicator and the environmental information collection device. Based on the plant environment information and accident site information collected by the environmental information collection device, the evacuation control platform formulates multiple evacuation routes in combination with the shortest path evacuation principle and the risk avoidance evacuation principle, and sends the multiple evacuation routes to the management terminal.

[0009] The manager selects one evacuation route from the multiple evacuation routes through the management terminal, or adjusts the selected evacuation route to obtain the final evacuation route.

[0010] The evacuation control platform controls the lighting brightness and evacuation direction of the intelligent evacuation indicator signs according to the final evacuation route.

[0011] In an optional embodiment, the indicator system further includes intelligent lighting installed on the roadside within the factory area. The intelligent lighting is communicatively connected to the evacuation control platform, which controls the switching on and off of the intelligent lighting and adjusts its brightness.

[0012] In the optional solution, the environmental information of the factory area includes wind force and wind direction, and the environmental information acquisition device includes a wind force sensor and a wind direction sensor.

[0013] In an optional embodiment, the environmental information includes information on toxic and harmful gases, and the environmental information acquisition device includes a gas-sensitive sensor.

[0014] In an optional embodiment, the environmental information includes the status parameters of upstream and downstream equipment of the equipment where the accident occurred.

[0015] In an optional embodiment, the system further includes a notification module, which is used to send evacuation information to designated terminals.

[0016] In the optional configuration, the intelligent lighting lamp can be installed independently or integrated with the street light structure.

[0017] In optional solutions, the intelligent evacuation indicator sign and the intelligent lighting are powered by an external power source, by their own batteries, or by a combination of an external power source and their own batteries.

[0018] In an optional scheme, the evacuation control platform divides the factory area into different safety level zones based on the distance from the accident area, assigns corresponding values ​​to the different safety level zones, and calculates the evacuation route using the single-source point shortest path method based on the values.

[0019] In an optional embodiment, the intelligent evacuation indicator sign includes a control module and a display module connected to each other. The display module is used to display the evacuation direction, current location, accident location, and evacuation assembly point location. The control module is communicatively connected to the evacuation management platform and is used to control the display module.

[0020] The beneficial effects of this invention are as follows:

[0021] 1. The evacuation control platform collects environmental and accident site information, calculates and formulates personnel evacuation plans, and, after confirmation by the management terminal, issues commands to activate the intelligent evacuation indicator lights at the accident site and indicate evacuation routes. This effectively solves the problem of safely and effectively guiding personnel evacuation in petrochemical, coal, and other industries where production is located in explosion or fire hazard areas during accidents. It overcomes the shortcomings of traditional evacuation guidance systems, which only provide fixed directional indications and cannot provide necessary location information. It can flexibly adapt to sudden situations at disaster sites and accurately indicate evacuation routes.

[0022] 2. An intelligent evacuation control design is adopted. Based on the actual situation on site, the evacuation control platform conducts evacuation simulation design in advance for disasters and determines the optimal safe evacuation route based on machine learning technology.

[0023] 3. The intelligent lighting and intelligent evacuation indicator lights are linked through the evacuation control platform to ensure the safe and efficient evacuation of personnel in dark conditions, and also provide the necessary illumination conditions for accident rescue. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 A schematic diagram of an intelligent evacuation guidance system according to an embodiment of the present invention is shown;

[0026] Figure 2 A circuit block diagram of an intelligent evacuation sign according to an embodiment of the present invention is shown;

[0027] Figure 3 A schematic diagram of an evacuation route calculation method according to an embodiment of the present invention is shown. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] One embodiment of the present invention provides an intelligent evacuation guidance system, including: an intelligent evacuation indicator sign, an environmental information collection device, an evacuation control platform, and a management terminal;

[0030] The intelligent evacuation indicator signs are installed on the roadside in the factory area for lighting and indicating evacuation direction;

[0031] The environmental information collection device is used to collect environmental information of the factory area and accident scene information;

[0032] The evacuation control platform is bidirectionally connected to the intelligent evacuation indicator and the environmental information collection device. Based on the plant environment information and accident site information collected by the environmental information collection device, the evacuation control platform formulates multiple evacuation routes in combination with the shortest path evacuation principle and the risk avoidance evacuation principle, and sends the multiple evacuation routes to the management terminal.

[0033] The manager selects one evacuation route from the multiple evacuation routes through the management terminal, or adjusts the selected evacuation route to obtain the final evacuation route;

[0034] The evacuation control platform controls the lighting brightness and evacuation direction of the intelligent evacuation indicator signs according to the final evacuation route.

[0035] In this embodiment, the indicating system further includes intelligent lighting fixtures installed along the roadside within the factory area. These intelligent lighting fixtures are communicatively connected to the evacuation control platform, which controls their switching on and off and adjusts their brightness. The intelligent lighting fixtures can be installed independently or integrated into a street light structure. (Reference) Figure 1The intelligent lighting is designed to increase the brightness of evacuation indicator lights in dark environments. It consists of an NB-IoT communication circuit, an MCU control circuit, an adjustable power drive circuit, and an LED light source board. It uses NB-IoT communication to interact with the evacuation control platform, actively reporting its status and receiving remote control commands such as turning the light on / off and adjusting its power and brightness. The intelligent lighting can be used for daily illumination and, in case of an emergency, can be linked with the intelligent evacuation indicator lights to provide supplemental lighting and necessary illumination for rescue operations. Each intelligent evacuation indicator light and intelligent lighting unit has a QR code affixed to its surface, containing the device model and unique identification code. The intelligent lighting can be installed independently or integrated with streetlights in an intelligent streetlight design. In this embodiment, both the intelligent evacuation indicator lights and the intelligent lighting units use LED light sources, but are not limited to LED light sources.

[0036] In this embodiment, the intelligent evacuation indicator sign includes a control module and a display module connected to each other. The display module is used to display the evacuation direction, current location, accident location, and evacuation assembly point location. The control module is communicatively connected to the evacuation management platform and is used to control the display module.

[0037] Intelligent evacuation indicator lights and intelligent lighting fixtures are waterproof, corrosion-resistant, and explosion-proof, with the following specifications: protection rating: IP66; corrosion resistance rating: WF2; explosion-proof rating should meet the requirements of the hazardous explosion environment at the site. (Refer to...) Figure 2 Intelligent evacuation indicator lights can be designed as directional indicators (including left, right, and bidirectional indicators) or location indicators (including exit, assembly point, or current location indicators) according to the needs of the intelligent evacuation guidance system. They consist of NB-IoT communication circuits, MCU control circuits, left-direction indicator and LED constant current drive circuits, right-direction indicator and LED constant current drive circuits, and location indicator and LED constant current drive circuits. They can dynamically adjust the direction of indication and provide location information to cope with unpredictable and sudden outdoor situations. The intelligent evacuation indicator lights use NB-IoT communication to interact with the evacuation management platform. The MCU control circuit controls the indicator lights in constant current drive mode, enabling them to actively report equipment status to the evacuation management platform and receive remote direction switching commands from the platform, such as left evacuation, right evacuation, bidirectional evacuation, and exit, assembly point, or current location indicators.

[0038] The intelligent evacuation indicator lights and intelligent lighting fixtures are powered by an external power source, their own batteries, or a combination of both. To ensure normal operation during power outages, the intelligent evacuation indicator lights and intelligent lighting fixtures can be powered by their own batteries. The intelligent evacuation indicator lights and intelligent lighting fixtures are powered by an emergency power supply (EPS) device. The EPS can switch between the main power supply and battery power; when the main power supply is disconnected, all lights automatically switch to power from the EPS's built-in batteries.

[0039] In this embodiment, the factory environment information includes wind speed and wind direction. The environmental information acquisition device includes a wind speed sensor, a wind direction sensor, and an NB-IoT communication circuit. The wind speed and wind direction are among the factors considered in the evacuation and disaster avoidance principles. The wind speed sensor and wind direction sensor are installed at representative locations in the factory to measure wind speed and wind direction values. The measured values ​​and information are uploaded to the evacuation control platform via NB-IoT communication to assist supervisors in selecting appropriate emergency evacuation plans.

[0040] In this embodiment, the environmental information includes the location information of toxic and harmful gases, and the environmental information acquisition device includes a gas-sensitive sensor. The location information of toxic and harmful gases is one of the factors considered in the evacuation and disaster avoidance principle. The environmental information includes the status parameters of upstream and downstream equipment of the equipment where the accident occurred. The evacuation and control platform has a pre-established explosion early warning model. The explosion early warning model determines the probability of a secondary accident occurring based on the status parameters of the upstream and downstream equipment. This probability is one of the factors considered in the evacuation and disaster avoidance principle.

[0041] The evacuation control platform can receive instructions from the management terminal to control evacuation indicator lights and smart lighting in real time. It can also receive on-site signal feedback from evacuation indicator lights, smart lighting, wind speed and direction sensors, gas sensors, and status parameters of upstream and downstream equipment. Through calculation, it formulates emergency evacuation plans. The platform can intelligently provide multiple emergency evacuation plans based on the on-site situation and visualize the plan design and conduct simulation exercises through 3D modeling, providing managers with a basis for determining the final evacuation route. Furthermore, the platform has reserved interfaces for data sharing with higher-level or other safety production management platforms within the factory.

[0042] The evacuation control platform is responsible for receiving equipment signals and implementing emergency evacuation plans. The main design functions include: (1) Visual system information management: overview of the status of the entire plant's evacuation instruction system, such as: plant equipment configuration, equipment status, equipment distribution location, etc.; (2) Equipment management: add, delete, and modify equipment attributes, such as grouping, location, project affiliation, etc.; (3) Project application management: import new or modified project floor plans, set project attributes, and set emergency evacuation plans; (4) System function implementation: start and stop the implementation of evacuation plans according to the requirements of the management terminal, and simulate evacuation plans; (5) Formulate implementation plan: calculate and formulate personnel evacuation plans by collecting on-site environmental and disaster information, and submit them to the management terminal for confirmation. In addition to the above functions, the platform can also provide managers with convenient and efficient mobile terminal system management and some operation functions. When an accident occurs, the emergency evacuation plan can be activated with one click to notify on-site personnel to evacuate quickly and effectively; it can communicate with WeChat mini programs, which have equipment management functions (for construction input and maintenance), information display functions (viewing equipment status), and evacuation notification functions. In addition, the evacuation control platform also has reserved interfaces to enable data sharing with higher-level or other safety production management platforms in the factory.

[0043] The management terminal is mainly a mobile phone or computer, which can receive emergency evacuation routes and comprehensive on-site information sent by the evacuation control platform. The relevant supervisors can then confirm or adjust the evacuation routes and feed them back to the on-site intelligent evacuation indicator signs to achieve safe and efficient evacuation at disaster sites.

[0044] When an accident occurs in a certain area of ​​the factory, the evacuation control platform issues emergency evacuation control commands to the corresponding intelligent evacuation indicator lights and intelligent lighting. These lights illuminate and indicate evacuation routes, guiding personnel to evacuate. The evacuation path calculation method used by the evacuation control platform is as follows: The evacuation control platform divides the evacuation plane into multiple sub-areas, and intelligent evacuation indicator lights are pre-installed on the roads surrounding these areas. Based on the production status of non-accident areas (e.g., if the status parameters of a non-accident area are abnormal, there may be an explosion risk, thus increasing the risk factor of that area), and the distance between the accident area and non-accident areas, the evacuation plane is divided into zones of different safety levels and assigned different values. Figure 3For example, the entire area is divided into four zones according to the above requirements: normal zone a1, secondary neighbor zone a2 (close to the adjacent zone), neighbor zone a3 (close to the accident zone), and accident zone a4, with risk values ​​assigned to a1=0, a2=5, a3=9, and a4=10 respectively. When an accident occurs, the evacuation control platform calculates and formulates emergency evacuation routes according to the shortest path evacuation principle and the risk avoidance evacuation principle, and uploads the results to the management terminal. After confirmation, the single-source point shortest path calculation method is used to calculate the direction that each evacuation indicator sign along the evacuation route should indicate, and commands are issued to the intelligent evacuation indicator signs to adjust their display. The single-source point shortest path calculation model relies on the values ​​of each zone, summing different paths, and the path with the smallest sum is the shortest path. Example of calculation method:

[0045] Assuming an accident occurs in area 2, the danger value of accident area 2 is x2 = 10, the danger values ​​of neighboring areas 1 / 3 / 6 are x1 = x3 = x6 = 9 respectively, the danger values ​​of the next neighboring areas 5 / 10 / 7 are x5 = x10 = x7 = 2 respectively, and the danger values ​​of normal areas are x9 = x11 = x12 = x8 = 0 respectively; the shortest distance from each area to the evacuation assembly point can be calculated according to Dijkstra's algorithm.

[0046] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of the present invention. Furthermore, those skilled in the art will recognize that, based on the ideas of the present invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. An intelligent evacuation guidance system, characterized in that, include: Intelligent evacuation indicator signs, environmental information collection devices, evacuation control platform and management terminals; The intelligent evacuation indicator signs are installed on the roadside in the factory area for lighting and indicating evacuation direction. The factory area is the factory area of ​​a factory located in an explosion or fire hazard location. The intelligent evacuation indicator sign includes a control module and a display module connected to each other. The display module is used to display the evacuation direction, current location, accident location, and evacuation assembly point location. The control module is communicatively connected to the evacuation management platform and is used to control the display module. The environmental information acquisition device is used to collect environmental information of the plant area and accident site information. The environmental information includes the status parameters of upstream and downstream equipment of the equipment where the accident occurred. The evacuation control platform is bidirectionally connected to the intelligent evacuation indicator lights and the environmental information collection device. Based on the plant environment information and accident site information collected by the environmental information collection device, and combining the shortest path evacuation principle and the hazard avoidance evacuation principle, the evacuation control platform formulates multiple evacuation routes and sends these routes to the management terminal. The evacuation control platform has a pre-established explosion early warning model. This model determines the probability of a secondary accident occurring based on the status parameters of upstream and downstream equipment; this probability is one of the factors considered in the hazard avoidance evacuation principle. The evacuation control platform uses 3D modeling to visualize the evacuation plan design and conduct simulation exercises, providing a basis for managers to determine the final evacuation routes. The manager selects one evacuation route from the multiple evacuation routes through the management terminal, or adjusts the selected evacuation route to obtain the final evacuation route. The evacuation control platform controls the lighting brightness and evacuation direction of the intelligent evacuation indicator signs according to the final evacuation route.

2. The intelligent evacuation guidance system according to claim 1, characterized in that, The indicator system also includes intelligent lighting, which is installed on the roadside in the factory area. The intelligent lighting is communicatively connected to the evacuation control platform, which is used to control the switching on and off of the intelligent lighting and adjust its brightness.

3. The intelligent evacuation guidance system according to claim 1, characterized in that, The environmental information of the factory area includes wind force and wind direction, and the environmental information acquisition device includes wind force sensor and wind direction sensor. The wind force and wind direction are one of the factors considered in the evacuation and disaster avoidance principle.

4. The intelligent evacuation guidance system according to claim 1, characterized in that, The environmental information includes the location information of toxic and harmful gases, and the environmental information acquisition device includes a gas-sensitive sensor. The location information of toxic and harmful gases is one of the factors considered in the evacuation and avoidance principle.

5. The intelligent evacuation guidance system according to claim 1, characterized in that, The system also includes a notification module, which is used to send evacuation information to designated terminals.

6. The intelligent evacuation guidance system according to claim 2, characterized in that, The intelligent lighting fixture can be installed independently or integrated with the street light structure.

7. The intelligent evacuation guidance system according to claim 1, characterized in that, The intelligent evacuation indicator lights and intelligent lighting are powered by an external power source, their own batteries, or a combination of an external power source and their own batteries.

8. The intelligent evacuation guidance system according to claim 6, characterized in that, The evacuation control platform divides the factory area into different safety level zones based on the distance from the accident area, assigns corresponding values ​​to the different safety level zones, and calculates the evacuation routes using the single-source point shortest path method based on the values.

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