JP7530473B2 - Disaster situation assessment system - Google Patents

Description

The present invention relates to a system that accurately grasps the damage situation in order to instruct and support firefighting activities, evacuation guidance, and rescue activities within a facility when a disaster such as a fire, earthquake, or terrorist attack occurs.

Conventionally, a support system has been known that uses a location information system equipped with a beacon to acquire the locations of people in a facility such as a building and provide evacuation guidance and support for firefighting activities in the event of a fire (see, for example, Patent Document 1).
Also, an invention has been proposed for a support system that includes a support device connected to an automatic alarm system that sends out abnormality information when a sensing means installed in a building detects an abnormality, and a number of terminals carried by each member of the self-defense fire brigade, the terminal having a display unit, an operation unit, and a communication unit that transmits and receives information with the support device via a communication line, the support device having a first communication unit that communicates with the automatic alarm system and a second communication unit that communicates with the terminal via the communication line, and upon receiving abnormality information from the automatic alarm system, transmits the abnormality information to the terminal and displays on the terminal a message requesting activity to respond to the abnormality, receives a response to the message from the terminal to grasp the status of the activity, and transmits support information for the activity to the terminal (see Patent Document 2).

JP 2017-91477 A JP 2016-99706 A

However, with conventional disaster prevention systems, it was not easy to transmit information from the self-defense fire brigade personnel at the scene to disaster prevention personnel waiting in a control room at a disaster prevention center, or to transmit commands from the disaster prevention personnel to the self-defense fire brigade personnel. In addition, there were limitations to the disaster prevention personnel's ability to quickly and accurately grasp the current situation, so it could not be said that they were able to give appropriate instructions to the self-defense fire brigade personnel.

The present invention has been made with attention to the above-mentioned problems, and its purpose is to provide a disaster situation assessment system which, by simply making slight modifications to existing systems, enables information to be easily transmitted from self-defense fire brigade members at the scene to disaster prevention personnel waiting in a control room at a disaster prevention center, etc., and commands to be easily transmitted from disaster prevention personnel to self-defense fire brigade members.
Another object of the present invention is to provide a disaster situation assessment system that enables disaster prevention personnel to quickly and accurately grasp the current situation by devising a display device installed in a control room of a disaster prevention center, etc., thereby enabling them to give appropriate instructions to self-defense fire brigade personnel, etc.

In order to solve the above problems, the present invention provides:
A receiver capable of receiving a detection signal from a sensor installed in a predetermined area;
A display device having a display unit and capable of displaying a map of the predetermined area;
a server capable of identifying a current location of a portable information terminal and transmitting portable terminal location information indicating the location based on information transmitted from the portable information terminal having a wireless communication device capable of receiving a signal from a transmitter installed in the specified area and transmitting transmitter information including identification information of the transmitter and its own identification information,
the portable information terminal is capable of allowing an owner to input information regarding a disaster situation in the specified area and transmit the information to the receiver or the server;
The information regarding the disaster situation transmitted by the mobile information terminal includes information indicating a type of disaster,
The display device is equipped with a mobile terminal position display means for displaying a specified mark at the mobile terminal's current position on the map based on mobile terminal position information obtained from the server, and is capable of displaying the type of damage near the display position of the mark of the mobile information terminal or terminal holder that transmitted the information on the map based on information indicating the type of damage obtained from the receiver and/or the server.

According to the disaster situation grasping system having the above-mentioned configuration, by merely making some modifications to the existing system, it is possible to easily transmit information from the self-defense fire brigade personnel at the scene to the disaster prevention personnel waiting in the command room of the disaster prevention center, etc., and to easily transmit commands from the disaster prevention personnel to the self-defense fire brigade personnel. In addition, since the type of damage is displayed on the screen of the display device, the situation at the disaster site can be accurately grasped.
Furthermore, since the type of damage is displayed near the mark display position of the mobile terminal that sent the information or the terminal owner, the location of the terminal owner that sent the information can be ascertained.

Here, it is preferable that the information on the disaster situation transmitted by the mobile information terminal includes information indicating the extent of the disaster in addition to the type of the disaster,
Based on information indicating the type and extent of the damage obtained from the receiver and/or the server, the display device is capable of displaying the type and extent of the damage near the display position on the map of the mark of the mobile information terminal or terminal holder that transmitted the information.
According to this configuration, the extent of the damage is displayed on the screen of the display device together with the type of damage, so that the situation at the disaster site can be grasped more accurately.

It is also preferable that the receiver or the server stores attribute information of the owner of the portable information terminal, and the display device is configured to be able to display the attribute information of the owner of the portable information terminal on the display screen of the display unit based on the received identification information of the portable information terminal.
According to the disaster situation assessment system having the above-described configuration, attribute information of the mobile information terminal owner is displayed on the display device, making it easy to identify those to whom instructions should be given, and enabling rapid communication and appropriate instructions to be given.

Furthermore, preferably, the display device is configured to enable the mark of an owner having the specified qualifications or a portable information terminal held by such owner to be displayed on the display unit in a form different from the mark of an owner not having the specified qualifications or a portable information terminal held by such owner.
According to this configuration, when the location information system is configured to grasp the locations of people in an area other than those with specified qualifications, such as members of a self-defense fire brigade, and generate and transmit information to be displayed on a map, it is possible to display people with specified qualifications and those without specified qualifications separately without making any changes to the location information system, thereby enabling quick contact and appropriate instructions to be given to those with specified qualifications.

The disaster situation assessment system of the present invention makes it possible to accurately assess the situation at the disaster site and to determine the location of the terminal owner who sent the information. It also enables disaster prevention personnel waiting in a control room at a disaster prevention center or the like to quickly and accurately assess the current situation, which has the effect of allowing them to give appropriate instructions to members of the Self-Defense Forces fire brigade and the like.

1 is a block diagram showing an embodiment of a disaster situation assessment system according to the present invention, which integrates a location information system and a fire alarm system. 2 is a block diagram showing an example of the configuration of a mobile information terminal used in the disaster situation assessment system of the embodiment. FIG. 1 is a diagram showing an example of a floor plan image of a monitoring area displayed on a display device of a fire receiver in a disaster prevention center or the like. FIG. 13 is a diagram showing an example of a floor plan image of a monitored area displayed on a display device when a mark on the floor plan is selected. FIG. 1 is an explanatory diagram showing an overview of a simple report operation on a mobile information terminal used in the disaster situation assessment system of the embodiment. 1 is an explanatory diagram showing an overview of a current situation reporting operation on a mobile information terminal used in the disaster situation assessment system of the embodiment. 13 is a flowchart showing an example of a damage situation assessment processing procedure in a fire receiver constituting the damage situation assessment system of the embodiment. FIG. 13 is a block diagram showing a modified example of the disaster situation assessment system according to the embodiment.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a disaster situation assessment system to which the present invention is applied will be described below with reference to the drawings. Fig. 1 is a block diagram showing an example of a schematic configuration of the disaster situation assessment system of the present embodiment.
As shown in FIG. 1, the location information system of this embodiment is composed of a mobile information terminal 20 capable of receiving signals (radio waves) from beacons (transmitters) 10 arranged at multiple locations inside a building, a location information server 40 that communicates data with the mobile information terminal 20 via a mobile phone base station 30 and a communication network N such as the Internet, a fire receiver 60 that can receive fire detection signals from fire detectors 50 arranged at multiple locations inside the building, a display device 61 that communicates data with the location information server 40 via a gateway (repeater) 70 and a communication network N such as the Internet, and an information terminal (hereinafter referred to as a command terminal) 90 operated by a disaster prevention officer.

The display device 61 includes a display unit and a data processing unit, and has a function of displaying the terminal location information and map information of the monitoring area acquired from the location information server 40 on the display unit together with information on the occurrence of events such as fires. The display device 61 is also connected to a storage device 62 that stores a correspondence table between the equipment and installation locations of fire detectors (IDs or addresses) and smoke control devices installed in the monitoring area, a fire information history including information on the location and time of fire occurrence acquired from the fire detector, and an input device 63 such as a keyboard and a mouse.

The beacons 10 that transmit wireless signals (unique information such as device IDs and facility information) to the mobile information terminals 20 transmit signals using known communication methods such as Bluetooth (registered trademark) communication, wireless LAN such as WiFi conforming to the IEEE 802.11 standard, infrared communication, visible light communication, etc. The intervals at which the beacons 10 are placed are not particularly limited, but for example, the beacons 10 are placed so that the communication range of each adjacent beacon 10 covers the space within the building.
The beacon 10 also includes a transmitter that periodically transmits its own identification information to the surroundings via a wireless signal. The signal (beacon signal) wirelessly transmitted by the beacon 10 only needs to include at least the identification information (device ID of the transmitter) of the beacon 10, and may further include information about the area in which the beacon is installed.

The mobile information terminal 20 and the command terminal 90 are devices having a data processing function, such as a CPU (Central Processing Unit), a non-volatile memory storing a program executed by the CPU, and a working RAM (Random Access Memory), as well as a wireless communication function, and may be a known smartphone, etc. The mobile information terminal 20 has a receiving function for receiving a signal from the beacon 10, and the command terminal 90 has a camera function for taking an image.
The internal memory of the mobile information terminal 20 stores an application program (location information display application) that receives a beacon signal wirelessly transmitted periodically from the beacon 10, extracts identification information (device ID) and the like contained in the beacon signal, and transmits the beacon information including the identification information to the location information server 40 via the mobile phone base station 30 and the communication network N, and displays on the screen a floor plan image based on the floor plan information transmitted from the location information server 40 via the communication network N and the mobile phone base station 30.

In this embodiment, as will be described later, the fire receiver 60 is capable of displaying a two-dimensional code such as a QR code (registered trademark) that describes the contact information (telephone number or email address) of the selected mobile information terminal 20 on the screen of the display device 61, and the command terminal 90 is stored with an application program that reads the displayed two-dimensional code using its camera function, decodes the code, extracts the contact information, and automatically communicates with the mobile information terminal 20 of the extracted contact information.
Such a program is installed on a typical smartphone, so a typical smartphone can be used as the command terminal 90 without having to store a new application program specifically for the system of this embodiment.

Fire detectors 50 are connected to fire receivers 60 via different detector lines 51 for each alert area, and when they detect the occurrence of heat, smoke, flames, harmful gases, etc., they transmit a fire detection signal to fire receivers 60 via detector lines 51. Fire detectors 50 may be of a type that adds their own installation address to the fire detection signal (so-called R type), or of a type that does not add an installation address (so-called P type).

When the fire receiver (R type or P type) 60 receives a fire detection signal from the fire detector 50, it displays a fire alarm on the display unit and also controls the ringing of the district bell and the associated smoke control devices.
If the installation address of the fire detector 50 is added to the fire detection signal, the fire receiver 60 identifies the location of the fire based on the installation address. On the other hand, if the installation address of the fire detector 50 is not added to the fire detection signal, the fire receiver 60 identifies the location of the fire (warning area) based on the detector line 51 that transmitted the fire detection signal.

The location information server 40 includes a database 41 that stores map information (floor plan) of each floor of a building managed by the location information server 40, identification information (terminal ID) unique to the mobile information terminal, and information (owner attribute information) on the attributes of the holder of the mobile information terminal, such as the qualification (self-defense firefighter) and role (reporter, guide, rescuer, fire extinguisher). The map information (floor plan information) of each floor includes the device ID and installation location information of the beacon 10 installed on each floor.
When the location information server 40 receives the device ID of the beacon 10 from the mobile information terminal 20 , it calculates the location of the mobile information terminal 20 on the floor plan based on the device ID of the received beacon and the information stored in the database 41 .

Then, the location information server 40 executes a process of transmitting location information of the portable information terminal 20 on the floor plan to the display device 61 via the communication network N and the gateway 70. At this time, when multiple portable information terminals 20 are present within the monitoring area (floor plan), information indicating the current locations of each of the multiple portable information terminals is transmitted to the display device 61.
Furthermore, location information server 40 has a function of referring to table data in database 41 based on the device ID and terminal ID of the transmitter sent from mobile information terminal 20 to determine the attributes of the holder, and transmitting the attribute information together with the location information to display device 61 and fire receiver 60 via gateway 70. A table showing the correspondence between mobile information terminal IDs and holder attributes may be stored in storage device 62 on the display device 61 side, and display device 61 may have a function of determining the attributes of the holder.

The display device 61 displays a mark indicating the current location based on the location information of the mobile information terminal 20 received from the location information server 40 and a mark indicating a fire based on a signal received from the fire receiver 60 at the location of the fire outbreak on the floor plan that is read out from the storage device 62 and displayed on the display unit. At this time, if the holder of the mobile information terminal 20 in the monitored area is a person with a specified qualification or role, such as a private fire brigade member, the mark is displayed in a different form on the floor plan. Specifically, even if the design of the mark is the same, the mark of the private fire brigade member may be displayed in black, for example, and the marks of other general users may be displayed in blue, for example.

Figure 2 shows an example of the configuration of the mobile information terminal 20. As shown in Figure 2, the mobile information terminal 20 includes a beacon receiver 21 capable of receiving radio waves from the beacon 10, a wireless communication device 22 for communicating with the location information server 40 via the network N, a data processing unit 23 including a CPU (central processing unit), a storage device 24 for storing application programs, etc., a touch panel display 25 including an input unit and a display unit, a battery 26 for supplying power supply voltage, and a clock generator 27 for generating a clock signal.

The data processing unit 23 also includes a transmission processing unit 32 that extracts information such as the beacon's device ID from the signal received by the beacon receiver 21, reads its own device ID from the storage device 24, and periodically transmits it to the location information server 40, a map display processing unit 33 that displays on the display unit a map such as a floor plan received from the location information server 40 via the wireless communication device 22 and information received from the command terminal 90, and an input content recognition unit 34 that determines and recognizes the content of the input operation to the input unit of the touch panel display 25.

Next, the image displayed on the screen of the display unit executed by the display device 61 and the features of the processing and functions based on the image will be described with reference to FIGS.
Among these, Fig. 3 shows an example of a floor plan displayed on the screen of the display device 61. In Fig. 3, the mark D is a fire detector mark, the mark B is a beacon mark, the mark S is a mark of a terminal holder such as a firefighter who holds the mobile information terminal 20, the mark F is a mark indicating the location of an abnormality (flame), and "x" is a mark indicating a location where damage has occurred. The mark M indicates a person who needs rescue. In Fig. 3, the detector and the beacon are shown at different positions, but they may be installed at the same position. In Fig. 3, a mark imitating a person is displayed as the mark S, but a mark imitating a mobile information terminal may be displayed.

A distinctive function of the display device 61 of this embodiment is that, when the cursor C is placed over the mark S of a private firefighter displayed on the floor plan, the contact information (phone number and email address) of the mobile information terminal held by the private firefighter and a QR code (registered trademark) that encodes the phone number or email address are displayed in the form of a speech bubble, as shown in FIG. 4. In addition, at the bottom of the speech bubble SB, there is a "Communication permission" button CB for permitting communication from the mobile information terminal 20, and a "Close" button EB for ending the display of the speech bubble SB. Instead of displaying the speech bubble SB, for example, a QR code or the like may be displayed as a pop-up and the mark S of the corresponding firefighter may be made to flash.

A commander can click a command button CB to allow a report from the mobile information terminal (self-defense firefighter) corresponding to the balloon. This allows a commander to, for example, look at a floor plan and select the mobile information terminal closest to the fire site to allow a report, thereby allowing the commander to obtain the information he or she wants to know first without causing confusion in grasping the current situation due to multiple reports being made at the same time.
In addition, instead of displaying a two-dimensional code in the speech bubble SB and capturing it with the camera of the command terminal 90, the system may be configured so that an email is automatically sent when the cursor C is placed on an email address displayed in the speech bubble SB and the mouse is clicked.

In addition, a "Menu" button MB is displayed in the upper left of the screen of the display device 61. When the cursor C is placed on this "Menu" button MB and the mouse is clicked, a list of work menus is displayed. In the list of work menus there is "Simple report". When "Simple report" is selected by inputting with a mouse or the like, a pop-up PA as shown in FIG. 5 is displayed, and when the "Report instruction" button RB at the bottom of this pop-up PA is operated with the mouse, an instruction email (or an automated voice command) to report the current situation is sent from the display device 61 to all mobile information terminals displayed on the floor plan, together with the floor plan information. Note that the mobile information terminals 20 to which this instruction is sent may be limited to mobile information terminals held by disaster prevention personnel such as members of the self-defense fire brigade and security guards.

The floor plan of FIG. 5A shows an example of the report content displayed on the display device 61 when a report is made by a reporter.
When the portable information terminal 20 held by the reporter receives an instruction from the display device 61 to request a status report, a screen for requesting a status report as shown in Fig. 5(B) is displayed, and when the "Report" button is touched, an input screen as shown in Fig. 5(C) is displayed. On this screen, marks indicating "fire", "smoke", and "damage" are displayed at the bottom of the screen, and when the mark of the event to be reported is touched and drawn to the location where the event is occurring, the mark is displayed where the finger is released.

Although not shown, when making the above input, the event level can be input as one of three levels, for example, 1 to 3. The level can be input, for example, by changing the number of times the mark of the event to be input, which is displayed on the screen of the mobile information terminal 20, is tapped with a finger. The location and level of the event inputted on the mobile information terminal 20 in the above manner are displayed on the floor plan on the screen of the display device 61, as shown in FIG. 5(A). The pop-up PA displays text explaining the contents of the mark, so that the commander can easily grasp the situation. The contents simply inputted on the mobile information terminal 20 can be used to display the status during a specified time period, and to display continuously at specified time intervals during a specified time period, on the fire information server 40 or the command terminal 90.

The reporter is also configured to be able to input the extent of the fire by touching the floor plan on the screen of the mobile information terminal 20 with his/her finger to draw a loop, and as shown in FIG. 5(A), a line indicating the input fire extent FA is displayed on the screen of the display device 61. Instead of displaying a line, the fire extent FA may be filled in.

6, the reporter can input the movement of the fire location by touching and moving a mark displayed on the floor plan on the screen of the mobile information terminal 20. Furthermore, by switching the input items, it is also possible to input information such as the range of the fire, the range of smoke, the range of damage, people in need of rescue, and impassable areas.
In addition, when the person in command places the cursor on a mark representing a fire, smoke, or damaged area, rather than on the mark S of the terminal holder already displayed on the floor plan on the screen of the display device 61, the program of the display device 61 may be configured to read information (attributes, telephone number, email address, etc.) of the terminal holder who reported the occurrence of the event from the storage device 62 and display it in the form of a speech bubble.

Next, a procedure for processing the disaster situation assessment in the display device 61 constituting the disaster situation assessment system of this embodiment when a fire occurs will be described with reference to the flowchart shown in Fig. 7. This disaster situation assessment processing can be configured to start when a fire occurrence is received from the fire receiver 60 or the mobile information terminal 20.
When the display device 61 starts the disaster situation grasping process of Fig. 7, it first requests and receives the location information of all the mobile information terminals 20 present in the monitoring area from the location information server 40 (step S1). Next, map information is read from the storage device 62 (step S2), and a floor plan in which the mark of the mobile information terminal 20 (the mark of the owner) is added to the corresponding position on the map based on the location information of the mobile information terminal 20 received in the above step S1 is displayed on the screen of the display unit of the display device 61 (step S3). At this time, the display form of the mark is determined and displayed based on the attributes of the terminal owner transmitted from the location information server 40.

Next, it is determined whether or not a mark has been selected (step S4), and if it is determined that a mark has been selected (Yes), information such as the holder's telephone number, email address, and a QR code encoding the telephone number is read from the storage device 62 or the location information server 40 (step S5), and this information is displayed in a balloon on the screen of the display device 61 (step S6). Next, it is determined whether or not the "communication permission" button CB on the screen of the display unit of the display device 61 has been operated (step S7), and if it is determined that the "communication permission" button CB has been operated (Yes), a "communication permission" is transmitted (step S8).
Thereafter, a report is received from the terminal holder who has captured the QR code with the camera of the command terminal 90 and communicated, so it is determined whether communication has been received from the mobile information terminal 20 (step S9), and if so, display processing etc. is performed according to the received content (step S10).

As described above, according to the disaster situation assessment system of this embodiment, a system having the above-mentioned fire information acquisition function can be realized by simply adding or modifying a few functions to existing equipment such as a fire receiver.
In addition, in the event of an emergency, commanders (managers, fire chiefs, security guards) who grasp the status of a fire at the disaster prevention center and give appropriate instructions to the firefighters can use ordinary mobile information terminals such as smartphones to collect information in real time from the firefighters and security guards at the scene and grasp the situation quickly and accurately. Furthermore, by carrying a mobile information terminal with a designated disaster prevention app installed, the firefighters and security guards can report the situation at the fire scene with simple terminal operations using the touch panel.

Although the present invention has been described above based on the embodiments, the present invention is not limited to the above embodiments and can be modified as appropriate without departing from the gist of the present invention. For example, in the above embodiment, a two-dimensional code such as a QR code is displayed on the display device 61 as a contact code including contact information for the owner of the mobile information terminal, but a barcode or the like may be displayed instead of the QR code. Also, in the above embodiment, the display device 61 performs a display process for information such as a fire, but as shown in FIG. 8, the storage device 62 and input device 63 may be connected to the receiver 60, and the receiver 60 may be configured to perform a display process for information such as that shown in FIG. 3 to FIG. 5.

In the above embodiment, a fire detector is given as an example of a detector connected to the receiver 60, but a smoke detector or a gas detector such as a CO gas detector may be used. In the above embodiment, a system using positioning by a beacon is given as an example of a position information system, but the present invention is not limited to this, and the position information system may be a system using positioning by other methods such as an indoor messaging system (IMES).
Furthermore, in the above embodiment, the application to a system for assessing the damage situation when a fire occurs has been described, but the present invention can also be used in a system for assessing the damage situation when a disaster occurs due to an earthquake, a terrorist attack, or the like.

10 Beacon (transmitter)
20 Portable information terminal 40 Location information server (server device)
41 Database (transmitter installation location information storage means)
50 Fire detector 60 Fire receiver (receiver)
61 Display device 62 Storage device 63 Input device 90 Command terminal

Claims (4)

A receiver capable of receiving a detection signal from a sensor installed in a predetermined area;
A display device having a display unit and capable of displaying a map of the predetermined area;
A disaster situation assessment system comprising: a server capable of identifying a current location of a portable information terminal having a wireless communication device capable of receiving a signal from a transmitter installed in the specified area and transmitting transmitter information including identification information of the transmitter and its own identification information based on information transmitted by the portable information terminal, and transmitting portable terminal location information indicating the location,
the portable information terminal is capable of allowing an owner to input information regarding a disaster situation in the specified area and transmit the information to the receiver or the server;
The information regarding the disaster situation transmitted by the mobile information terminal includes information indicating a type of disaster,
The display device is equipped with a mobile terminal position display means for displaying a predetermined mark on the map at the location of the mobile terminal based on mobile terminal position information obtained from the server, and is characterized in that, based on information indicating the type of damage obtained from the receiver and/or the server, the type of damage can be displayed near the display position of the mark of the mobile information terminal or terminal owner that sent the information on the map. The information on the damage situation transmitted by the mobile information terminal includes information indicating the extent of the damage in addition to the type of the damage,
The disaster situation assessment system described in claim 1, characterized in that the display device is capable of displaying the type and extent of the damage together with the type of damage based on information indicating the type and extent of the damage obtained from the receiver and/or the server, near the display position on the map of the mark of the mobile information terminal or terminal owner that sent the information. attribute information of the owner of the portable information terminal is stored in the receiver or the server;
The disaster situation assessment system described in claim 1 or 2, characterized in that the display device is capable of displaying attribute information of the owner of the mobile information terminal on the display screen of the display unit based on the identification information of the received mobile information terminal. The disaster situation assessment system according to any one of claims 1 to 3, characterized in that the display device is capable of displaying marks of holders with a specified qualification or mobile information terminals held by such holders on the display unit in a form different from marks of holders without the specified qualification or mobile information terminals held by such holders.

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