JP2012256361A - Evacuation guidance system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an evacuation guidance system capable of reliably guiding evacuees to exits even when a disaster occurs.SOLUTION: An evacuation guidance system comprises: a plurality of sensors 61-11 through 61-m3; and a plurality of transmitting devices 62-1 through 62-m. The plurality of sensors 61-11 through 61-m3 is installed at each of a plurality of areas formed by dividing a preset space therein and senses an occurrence of a disaster in the plurality of areas in which the plurality of sensors 61-11 through 61-m3 is installed. The plurality of transmitting devices 62-1 through 62-m is installed at each of the plurality of areas and identifies an area in which the disaster occurs on the basis of a sensing result by the plurality of sensors 61-11 through 61-m3, generates evacuation guidance information for guiding evacuees from the installation area by avoiding the area in which the disaster occurs, converts the evacuation guidance information to a signal of a radio frequency band and transmits the signal to the installation area.

Description

  The present invention relates to an evacuation guidance system that performs evacuation guidance for a user in a disaster, for example.

  Generally, in indoor spaces such as underground malls and buildings, guidance signs are installed to guide people in the indoor space to an emergency exit when a disaster such as a fire occurs. However, this kind of guide sign points to all emergency exits, so if a disaster occurs, even if you move according to the guide signs, you cannot reach the emergency exit if the passage is inaccessible There was a fear.

  In addition, as invention regarding evacuation guidance, there exists a thing as shown in patent document 1, for example.

JP 2008-167140 A

As described above, with a conventional guidance sign, when a disaster occurs, the exit may not be reached even in accordance with the guidance.
This invention is made | formed by the said situation, The objective is to provide the evacuation guidance system which can implement | achieve guidance to an exit reliably, even when a disaster occurs.

  In order to achieve the above object, the evacuation guidance system includes a plurality of sensors and a plurality of transmission devices. The plurality of sensors are installed in each of a plurality of areas formed by dividing a preset space, and sense the occurrence of a disaster in the installed area. A plurality of transmission devices are installed in each of the plurality of areas, specify an area where a disaster has occurred based on the detection results of the plurality of sensors, and guide the evacuation guidance from the installation area avoiding the disaster occurrence area Information is generated, and the evacuation guidance information is converted into a radio frequency band signal and transmitted to the installation area.

  In the evacuation guidance system configured as described above, a preset space is divided into a plurality of areas, and the area where the disaster has occurred is specified based on the detection results from the sensors installed in each area. Then, evacuation guidance information for guiding to the emergency exit while avoiding the identified area is created for each area, and the guidance information is output from each transmitter installed in the corresponding area. As a result, the evacuation guidance system can send evacuation guidance information dedicated to each area to each area according to the occurrence of a disaster, and presents an evacuation route dedicated to each area to the evacuees present in each area. It becomes possible to do.

  According to this invention, even if a disaster occurs, it is possible to provide an evacuation guidance system that can reliably guide refugees to the exit.

It is a block diagram which shows the function structure of the evacuation guidance system which concerns on the 1st Embodiment of this invention. It is a block diagram which shows the function structure of the control apparatus shown in FIG. It is a figure which shows the example by which the evacuation guidance system which concerns on the 1st Embodiment of this invention was installed in indoor space. It is a figure which shows an example of the cover area of the transmitter shown in FIG. It is a flowchart which shows the processing operation of the control apparatus of FIG. It is a figure which shows an example of the guidance map which a terminal displays based on evacuation guidance information. It is a block diagram which shows the function structure of the evacuation guidance system concerning the 2nd Embodiment of this invention. It is a block diagram which shows the function structure of the transmitter shown in FIG. It is a figure which shows the example by which the evacuation guidance system which concerns on the 2nd Embodiment of this invention was installed in indoor space. FIG. 8 is a flowchart showing a processing operation when a disaster occurs in the installation area of the transmission unit of FIG. 7. It is a flowchart which shows the processing operation when the transmission unit of FIG. 7 has a disaster in another area.

Hereinafter, embodiments of an evacuation guidance system according to the present invention will be described in detail with reference to the drawings.
[First Embodiment]
FIG. 1 is a block diagram showing a functional configuration of an evacuation guidance system according to the first embodiment of the present invention. The evacuation guidance system in FIG. 1 includes sensors 10-1 to 10-n, a control device 20, and transmitters 30-1 to 30-n. And these components in an evacuation guidance system are installed in indoor spaces, such as an underground mall and a building, for example.

  The sensors 10-1 to 10-n are smoke detectors, heat detectors, and the like, and are installed at a plurality of locations in the indoor space. When the sensors 10-1 to 10-n sense at least one of the generation of smoke or the like or the generation of heat exceeding the threshold, the sensor 10-1 notifies the control device 20 described later. Note that the sensors 10-1 to 10-n may sense the light amount or infrared distribution.

  The control device 20 includes a CPU (Central Processing Unit) made of a microprocessor, for example, and has a functional configuration as shown in FIG. That is, the control device 20 includes a specifying unit 21, a creating unit 22, a memory 23, and a signal processing unit 24. Among these, the function of the specifying unit 21, the creating unit 22, and the signal processing unit 24 is realized by causing the CPU to execute an application program. Information necessary for evacuation guidance is recorded in the memory 23 in advance.

  The identifying unit 21 identifies a place where a disaster has occurred in the indoor space based on the sensing results from the sensors 10-1 to 10-n and the information recorded in the memory 23. The creation unit 22 generates evacuation guidance information for evacuating avoiding the location where the disaster occurred based on the location of the disaster identified by the identifying unit 21 and the information recorded in the memory 23 in a predetermined area in the indoor space. Create each.

  The signal processing unit 24 converts the evacuation guidance information for each area created by the creating unit 22 into a signal in a form that can be transmitted as a preset broadcast standard signal, and converts each converted signal to the corresponding area. To the transmitters 30-1 to 30-n installed in Here, the preset broadcasting standards are ISDB-T (Integrated Services Digital Broadcasting for Terrestrial) standards and ISDB-MM standards, which are digital broadcasting standards.

  The transmitters 30-1 to 30-n are installed for each predetermined area in the indoor space. The transmitters 30-1 to 30-n include transmission processing units 31-1 to 31-n and antennas 32-1 to 32-n. The transmission processing units 31-1 to 31-n modulate the signal derived from the control device 20 with a preset modulation scheme, amplify the signal to a preset transmission output power according to the installation area, and specify The frequency is converted to the output frequency band and output. Here, the preset modulation scheme is, for example, an OFDM (Orthogonal Frequency Division Multiplexing) modulation scheme, and the specific frequency band is, for example, a frequency band used in ISDB-T standard one-segment broadcasting or The frequency band used in the ISDB-MM standard.

The antennas 32-1 to 32-n transmit the signals from the transmission processing units 31-1 to 31-n toward the space with directivity. Depending on the directivity required, a plurality of antennas may be combined instead of a single antenna.
At this time, the transmission outputs of the transmitters 30-1 to 30-n and the directivities and gains of the antennas 32-1 to 32-n are set in advance according to the installation area so that radio waves reach only the corresponding area. Has been.

  Next, the operation in the above configuration will be described. FIG. 3 is a schematic diagram illustrating an example in which the evacuation guidance system according to the first embodiment of the present invention is installed in an indoor space. The passage in the indoor space is formed as shown in FIG. 3 and is divided into areas 41 to 48. In addition, an emergency exit 51 is installed in the area 41, an emergency exit 52 is installed in the area 42, an emergency exit 53 is installed in the area 47, and an emergency exit 54 is installed in the area 48.

  Sensors 10-1 and 10-2 are installed in area 41, sensors 10-3 and 10-4 are installed in area 42, sensors 10-5 and 10-6 are installed in area 43, and sensor 10- 7 and 10-8 are installed in the area 44, the sensors 10-9 and 10-10 are installed in the area 45, the sensors 10-11 and 10-12 are installed in the area 46, and the sensors 10-13 and 10-14. Are installed in area 47 and sensors 10-15 and 10-16 are installed in area 48.

  Further, one transmitter 30-1 to 30-8 is installed at a preset position in each of the areas 41 to 48. FIG. 4 is a diagram illustrating an example of a cover area of the transmitters 30-1 to 30-8. The transmitters 30-1 to 30-8 are set to have directivity so that the antennas 32-1 to 32-8 transmit radio waves in the direction of the arrows. Further, the transmission output of radio waves has a strength that does not cause interference with radio waves in adjacent areas. In addition, although the control apparatus 20 may be installed in indoor space, if it is a position which can control the transmitters 30-1 to 30-n, it will be installed in the same space as the transmitters 30-1 to 30-n. This is not necessarily shown in FIG.

  In the memory 23, as information necessary for evacuation guidance, the map of the indoor space shown in FIG. 3, the arrangement of the areas 41 to 48 in the indoor space, the sensors 10-1 to 10-16 and these sensors are installed. The positional relationship with the area and the route of the evacuation route in the indoor space are recorded in advance.

FIG. 5 is a flowchart showing the processing operation of the control device 20 according to the first embodiment of the present invention. Here, a case where a fire has occurred in the area 43 will be described as an example.
When a fire occurs in the area 43, the sensors 10-5 and 10-6 installed in the area 43 sense smoke and notify the control device 20 that the fire has occurred.

  In the control device 20, the specifying unit 21 determines whether there is a notification from the sensors 10-1 to 10-16 (step 51). When receiving the notification from the sensors 10-1 to 10-16 (Yes in Step 51), the specifying unit 21 determines the positional relationship between the sensors 10-1 to 10-16 and the areas 41 to 48 recorded in the memory 23. With reference to, in which area the disaster has occurred is specified (step 52). In this example, the specifying unit 21 receives notification from the sensors 10-5 and 10-6 and refers to the positional relationship recorded in the memory 23 to specify that a fire has occurred in the area 43. Then, the identifying unit 21 notifies the creating unit 22 that a fire has occurred in the area 43. When there is no notification from the sensors 10-1 to 10-16 (No in Step 51), the specifying unit 21 repeats the process of Step 51 until the notification is received.

  The creation unit 22 creates evacuation guidance information for evading the emergency exit while avoiding the area 43 identified by the identification unit 21 for each of the areas 41 to 48 with reference to the route of the evacuation route recorded in the memory 23. (Step 53). The creation unit 22 outputs the created evacuation guidance information to the signal processing unit 24. The signal processing unit 24 performs signal processing on the signal from the creation unit 22, outputs the evacuation guidance information for the area 41 to the transmitter 30-1, and outputs the evacuation guidance information for the area 42 to the transmitter 30-2. The evacuation guidance information for area 43 is output to the transmitter 30-3, the evacuation guidance information for area 44 is output to the transmitter 30-4, and the evacuation guidance information for area 45 is output to the transmitter 30-5. The evacuation guidance information for area 46 is output to the transmitter 30-6, the evacuation guidance information for area 47 is output to the transmitter 30-7, and the evacuation guidance information for area 48 is transmitted to the transmitter 30-8. (Step 54). The transmitters 30-1 to 30-8 transmit a signal from the control device 20 in a set direction.

  A person existing in each area receives a radio wave transmitted from a transmitter installed in an area of the transmitters 30-1 to 30-8, for example, by a terminal such as a mobile phone with a one-segment receiving function. Each terminal displays a guidance map based on the received evacuation guidance information on a display unit such as a liquid crystal display provided in the terminal. FIG. 6 is a schematic diagram illustrating a guide diagram in which the terminal in the area 45 receives the radio wave transmitted from the transmitter 30-5 and displays the received signal based on the received evacuation guide information. Since a fire has occurred in the area 43, not the emergency exits 51 and 52 but the evacuation routes to the emergency exits 53 and 54 are displayed on the terminal.

  As described above, in the evacuation guidance system according to the first embodiment, the indoor space is divided into a plurality of areas, and a disaster is caused based on the detection results from the sensors 10-1 to 10-n installed in each area. Specify the area where the error occurred. Then, evacuation guidance information for guiding to the emergency exit while avoiding the identified area is created for each area, and the guidance information is output from each transmitter installed in the corresponding area. As a result, the evacuation guidance system can send evacuation guidance information dedicated to each area to each area according to the occurrence of a disaster, and presents an evacuation route dedicated to each area to the evacuees present in each area. It becomes possible to do.

  Moreover, the evacuation guidance system according to the first embodiment transmits evacuation guidance information from the transmitters 30-1 to 30-n, for example, by radio waves in a frequency band used in one-segment broadcasting. As a result, if the person in each area has a terminal such as a mobile phone with a one-segment reception function, it is possible to receive the evacuation guidance information and to use a safe evacuation route. .

In the evacuation guidance system according to the first embodiment, the control device 20 and the transmitters 30-1 to 30-n are connected via a network. As a result, the evacuation guidance system does not require wiring that is physically one-to-one.
Therefore, the evacuation guidance system according to the present invention can reliably guide the refugee to the exit even when a disaster occurs.

  The present invention is not limited to the first embodiment. For example, when an abnormality such as a sensor failure occurs and accurate evacuation guidance information cannot be created, only the maps of the indoor space recorded in the memory 23 are transmitted to the transmitters 30-1 to 30-n. May be output from.

[Second Embodiment]
FIG. 7 is a block diagram showing a configuration of an evacuation guidance system according to the second embodiment of the present invention. The evacuation guidance system in FIG. 7 includes transmission units 60-1 to 60-m. And each transmission unit 60-1 to 60-m is installed for every predetermined area in indoor space, such as an underground shopping mall, for example. The transmission units 60-1 to 60-m share information for each installed area by communicating with each other. Since each of the transmission units 60-1 to 60-m has the same function, the transmission unit 60-1 will be described below as an example.

  The transmission unit 60-1 includes sensors 61-11 to 61-13 and a transmission device 62-1. The sensors 61-11 to 61-13 are smoke detectors, heat detectors, and the like, and are installed at a plurality of locations in the indoor space. When the sensors 61-11 to 61-13 detect at least one of generation of smoke or the like or generation of heat exceeding a threshold value, the sensor 61-11 to 61-13 notifies the transmission device 62-1 of the detection result. The number of sensors is not limited to three, and may be two or less or four or more. A sensor may be built in the transmission unit.

  The transmission device 62-1 includes a CPU composed of a microprocessor, for example, and has a functional configuration as shown in FIG. That is, the transmission device 62-1 includes a determination unit 621, a specification unit 622, a communication unit 623, a creation unit 624, a memory 625, a signal processing unit 626, a transmission processing unit 627, and an antenna 628. Among these, the function of the determination unit 621, the specifying unit 622, the creation unit 624, and the signal processing unit 626 is realized by causing the CPU to execute an application program. Information necessary for evacuation guidance is recorded in the memory 625 in advance.

  The determination unit 621 determines whether a disaster has occurred in the area where the transmission unit 60-1 is installed based on the detection results from the sensors 61-11 to 61-13. The communication unit 623 communicates with other transmission apparatuses 62-2 to 62-m to share information related to the occurrence of a disaster with the other transmission apparatuses 62-2 to 62-m. The identifying unit 622 is configured to generate a disaster in the indoor space based on the determination result of the determination unit 621 or at least one of the disaster occurrence information shared with the other transmission devices 62-2 to 62-m and the information recorded in the memory 625. Identify the location of the occurrence. The creation unit 624 evacuation guidance information for evacuating from the installed area to the emergency exit while avoiding the disaster occurrence location based on the disaster occurrence location identified by the identification unit 622 and the information recorded in the memory 625 Create

  The signal processing unit 626 converts the evacuation guidance information for each area created by the creating unit 624 into a signal that can be transmitted as a preset broadcast standard signal, and outputs the converted signal to the transmission processing unit 627. To do. Here, the preset broadcasting standards are ISDB-T standards, ISDB-MM standards, etc., which are digital broadcasting standards.

  The transmission processing unit 627 modulates the signal from the signal processing unit 626 with a preset modulation method, amplifies the power to a transmission output set in advance according to the installation area, and converts the frequency to a specific frequency band. Then, it transmits from the antenna 628 toward the space. Here, the preset modulation scheme is, for example, a modulation scheme based on the OFDM scheme, and the specific frequency band is, for example, a frequency band used in one-segment broadcasting of the ISBD-T standard.

The antenna 628 may be configured by combining a plurality of antennas instead of one antenna depending on required directivity.
The transmission output of the transmission unit 627 and the directivity and gain of the antenna 628 are set in advance according to the installation area so that radio waves reach only the corresponding area.

  Next, the operation in the above configuration will be described. FIG. 9 is a schematic diagram illustrating an example in which the evacuation guidance system according to the second embodiment of the present invention is installed in an indoor space. The passage in the indoor space is formed as shown in FIG. 9 and is divided into areas 41 to 48. In areas 41, 42, 47, and 48, emergency exits 51, 52, 53, and 54 are installed, respectively.

  The transmission unit 60-1 is installed in the area 41, the transmission unit 60-2 is installed in the area 42, the transmission unit 60-3 is installed in the area 43, the transmission unit 60-4 is installed in the area 44, and the transmission unit 60-5 is installed in the area 45, the transmission unit 60-6 is installed in the area 46, the transmission unit 60-7 is installed in the area 47, and the transmission unit 60-8 is installed in the area 48. At this time, the transmission devices and sensors of the same transmission unit are installed in the same area. The transmitting devices 62-1 to 62-8 are preset in directivity and transmission output so that the radio waves do not interfere with each other.

  In the memory 625, as information necessary for evacuation guidance, a map of the indoor space shown in FIG. 9, the arrangement of the areas 41 to 48 in the indoor space, the transmission units 60-1 to 60-8 and the installed areas are stored. The positional relationship and the route of the evacuation route in the indoor space are recorded in advance.

Hereinafter, for example, the processing operation of the transmission unit 60 will be described taking a case where a fire has occurred in the area 43 as an example. FIG. 10 is a flowchart showing the processing operation of the transmission unit 60-3 according to the second embodiment of the present invention.
When a fire occurs in the area 43, the sensors 61-31 and 61-32 installed in the area 43 detect smoke and notify the transmitting device 62-3 that a fire has occurred.

  In the transmission device 62-3, the determination unit 621 determines whether or not a disaster has occurred in the area 43 based on the notifications from the sensors 61-31 and 61-32 (step 101). When receiving the notification from the sensors 61-31 and 61-32, the determining unit 621 determines that a disaster has occurred in the area 43 (Yes in step 101), and notifies the communication unit 623 and the specifying unit 622 to that effect. To do. When there is no notification from the sensors 61-31 and 61-32, the determination unit 621 determines that no disaster has occurred in the area 43 (No in Step 101), and repeats the processing in Step 101 until a notification is received. .

  When the determination unit 621 notifies that the disaster has occurred, the communication unit 623 transmits information regarding the occurrence of the disaster to the other transmission devices 62-1, 62-2, 60-4 to 62-8 (step 102). ). In addition, when the disaster has occurred in the other areas 41, 42, and 44 to 48, the communication unit 623 generates a disaster from the other transmission devices 62-1, 62-2, and 60-4 to 62-8. However, since no disaster has occurred outside the area 43 in this description, information on the occurrence of disaster is received from the other transmission devices 62-1, 62-2, 60-4 to 62-8. There is no.

The identification unit 622 refers to the determination result of the determination unit 621 and the positional relationship between the transmission units 60-1 to 60-8 and the areas 41 to 48 recorded in the memory 625, and the area where the disaster has occurred is only the area 43. (Step 103).
The creation unit 624 creates evacuation guidance information for evading the emergency exit while avoiding the area 43 with reference to the route of the evacuation route recorded in the memory 625 (step 104). The creation unit 624 outputs the created evacuation guidance information to the signal processing unit 626. The signal processing unit 626 performs signal processing on the signal from the creation unit 624 and outputs the signal to the transmission processing unit 627. The transmission processing unit 627 performs transmission processing on the signal from the signal processing unit 626 and transmits the signal via the antenna 628 (step 105).

FIG. 11 is a flowchart showing the processing operation of the transmission unit 60-1 according to the second embodiment of the present invention.
First, the communication unit 623 of the transmission device 62-1 determines whether information related to the occurrence of a disaster has been notified from the other transmission devices 62-2 to 62-8 (step 111).

In this description, since a fire has occurred in the area 43, the communication unit 623 of the transmission device 62-3 transmits information indicating that a disaster has occurred in the area 43 to the transmission devices 62-1, 62-2, 60-4 to 62-. Send to 8.
The communication unit 623 of the transmission device 62-1 receives information indicating that a disaster has occurred in the area 43 from the transmission device 62-3 (Yes in Step 111), and notifies the identification unit 622 of the information. Note that the communication unit 623 performs the process of step 111 until receiving the notification when there is no notification of the information related to the occurrence of the disaster from the transmission devices 62-1, 62-2, 60-4 to 62-8 (No in step 111). repeat.

  The identification unit 622 determines that the area where the disaster occurred is an area based on the information on the occurrence of the disaster received by the communication unit 623 and the positional relationship between the transmission units 60-1 to 60-8 and the areas 41 to 48 recorded in the memory 625. It is specified that only 43 (step 112). The creation unit 624 creates evacuation guidance information for evading the emergency exit from the area 41 to the area 43 with reference to the route of the evacuation route recorded in the memory 625 (step 113). The creation unit 624 outputs the created evacuation guidance information to the signal processing unit 626. The signal processing unit 626 performs signal processing on the signal from the creation unit 624 and outputs the signal to the transmission processing unit 627. The transmission processing unit 627 performs transmission processing on the signal from the signal processing unit 626 and transmits the signal via the antenna 628 (step 114). In FIG. 11, the transmission device 62-1 has been described as an example, but the transmission devices 62-2 and 62-4 to 62-8 perform the same processing operation as the transmission device 62-1.

  A person existing in each area receives radio waves transmitted from each of the transmission devices 62-1 to 62-8 by a terminal such as a mobile phone with a one-segment reception function. Each terminal displays a guidance map based on the received evacuation guidance information on a display unit such as a liquid crystal display provided in the terminal.

  As described above, in the evacuation guidance system according to the second embodiment, the indoor space is divided into a plurality of areas, and the transmission units 60-1 to 60-m are installed in each area. Then, the occurrence of a disaster is detected by a sensor provided for each transmission unit, and this disaster occurrence information is shared among the transmission units 60-1 to 60-m. Then, each of the transmission devices 62-1 to 62-m uses the shared disaster occurrence information to identify the area where the disaster has occurred, and creates evacuation guidance information for guiding to the emergency exit while avoiding the identified area. Like to do. As a result, the evacuation guidance system can send evacuation guidance information dedicated to each area to each area according to the occurrence of a disaster, and presents an evacuation route dedicated to each area to the evacuees present in each area. It becomes possible to do.

  Moreover, the evacuation guidance system according to the second embodiment transmits evacuation guidance information from the transmission devices 62-1 to 62-m, for example, by radio waves in a frequency band used in one-segment broadcasting. As a result, if the person in each area has a terminal such as a mobile phone with a one-segment reception function, it is possible to receive the evacuation guidance information and to use a safe evacuation route. .

Therefore, the evacuation guidance system according to the present invention can reliably guide the refugee to the exit even when a disaster occurs.
The present invention is not limited to the second embodiment. For example, when the transmitting devices 62-1 to 62-m cannot create accurate evacuation guidance information due to an abnormality such as a sensor failure, the indoor space recorded in the memory 625 Only the map of may be transmitted.

  In FIGS. 10 and 11 in the second embodiment, the case where a fire has occurred only in the area 43 has been described as an example. However, the area where a disaster occurs is not limited to one. For example, even in the case where a fire occurs in the area 42 in addition to the area 43, the same can be implemented. In this case, the identification unit 622 of the transmission device 62-3 has areas 42 and 43 where the disaster has occurred based on the determination result of the determination unit 621 and the information related to the occurrence of the disaster from the transmission device 62-2. Identify that.

[Other Embodiments]
The present invention is not limited to the above embodiments. For example, in each of the embodiments described above, an example is described in which evacuation guidance information is transmitted from the transmitters 30-1 to 30-n and the transmission devices 62-1 to 62-m using a specific frequency band when a disaster occurs. However, the transmitter and the transmission device are not limited to transmitting a signal only when a disaster occurs. In other words, the transmitter and the transmission device normally broadcast one-segment broadcasting limited to a specific area such as re-transmission of the currently broadcast one-seg broadcast wave or indoor space-specific in-house information, etc., except when a disaster occurs. It can also be transmitted as a signal. At this time, the evacuation guidance system may have a mechanism for transmitting the normal broadcast and the evacuation guidance information at the time of disaster in parallel, or a mechanism for switching from the normal broadcast to the evacuation guidance information at the time of a disaster Also good. However, when transmitting normal broadcasting and disaster evacuation guidance information in parallel, it is necessary to have a mechanism for switching a signal received at a terminal used by the refugee. Thereby, the person in each area can acquire general information by a terminal in a normal case, and can acquire evacuation guidance information when a disaster occurs.

Moreover, although each said embodiment demonstrated the example which installs an evacuation guidance system in the indoor space formed as shown in FIG.3 and FIG.9, the shape of indoor space is limited to what is shown in FIG.3 and FIG.9. It is not necessarily done.
Moreover, although each said embodiment demonstrated the example which uses an evacuation guidance system in indoor space, it is not necessarily limited to indoor use and may be used outdoors. In this case, the sensor and the transmitter are arranged at appropriate positions outdoors.

  Furthermore, the present invention can be embodied by modifying the constituent elements without departing from the spirit of the invention in the implementation stage. In addition, various inventions can be formed by appropriately combining a plurality of components disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, constituent elements over different embodiments may be appropriately combined.

10-1 to 10-n ... sensor 20 ... control device 21 ... specifying unit 22 ... creating unit 23 ... memory 24 ... signal processing unit 30-1 to 30-n ... transmitting device 31-1 to 31-n ... transmission processing unit 32-1 to 32-n ... antennas 41 to 48 ... areas 51 to 54 ... emergency exits 60-1 to 60-m ... transmission units 61-11 to 61-m3 ... sensors 62-1 to 62-m ... transmission devices 621 ... Determination unit 622 ... identification unit 623 ... communication unit 624 ... creation unit 625 ... memory 626 ... signal processing unit 627 ... transmission processing unit 628 ... antenna

Claims (6)

A plurality of sensors installed for each of a plurality of areas formed by dividing a preset space, and detecting the occurrence of a disaster in the installed area;
It is installed for each of the plurality of areas, identifies an area where a disaster has occurred based on the detection results by the plurality of sensors, generates evacuation guidance information to guide the avoidance of the disaster occurrence area from its own installation area, An evacuation guidance system comprising: a plurality of transmission devices that convert evacuation guidance information into a signal of a radio frequency band and transmit the signal to the installation area. The transmitter is
A determination unit that determines whether a disaster has occurred in the installation area based on a detection result by a sensor installed in the same area as the installation area of the plurality of sensors;
A specific unit that identifies an area where a disaster has occurred based on a determination result of the determination unit;
A creation unit for creating the evacuation guidance information for evacuation guidance avoiding the identified area;
The evacuation guidance system according to claim 1, further comprising: a transmission unit that performs signal processing on the created evacuation guidance information, converts the signal into a signal of the radio frequency band, and transmits the signal. The transmitter is
A determination unit that determines whether a disaster has occurred in the installation area based on a detection result by a sensor installed in the same area as the installation area of the plurality of sensors;
Send information related to the occurrence of disasters in the installation area to other transmission devices installed in other areas, and receive information related to the occurrence of disasters in other areas transmitted from the transmission devices installed in other areas A communication unit that
A identifying unit that identifies an area where a disaster has occurred based on at least one of the determination result of the determining unit or the information on the occurrence of a disaster in the other area;
A creation unit for creating the evacuation guidance information for evacuation guidance avoiding the identified area;
The evacuation guidance system according to claim 1, further comprising: a transmission unit that performs signal processing on the created evacuation guidance information, converts the signal into a signal of the radio frequency band, and transmits the signal.   The evacuation guidance system according to claim 1, wherein the sensor and the transmission device installed in the same area among the plurality of areas form one transmission unit.   2. The evacuation according to claim 1, wherein the transmission device transmits at least one of the information signal unique to the space and a broadcast signal input from the outside while the occurrence of a disaster is not detected by the sensor. Guidance system.   The evacuation guidance system according to claim 1, wherein the transmission device transmits the map information of the space when the connection with the plurality of sensors is disconnected.

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