JP7086243B2 - Display control device - Google Patents

Description

The present invention relates to a display control device that displays disaster prevention information on an electronic signboard installed in a facility when a fire breaks out in the facility.

Conventionally, there is known a disaster prevention system that displays disaster prevention information on a display device installed in the facility and notifies the facility user when a fire breaks out in the facility. For example, Patent Document 1 describes a disaster prevention information display system that informs facility users of disaster prevention information by using an advertisement display device arranged in a commercial facility. Patent Document 2 describes a disaster prevention system that displays information on a fire detector at a fire source and information on an evacuation route on a display connected to a fire receiver via a communication line.

Japanese Patent No. 6009863 Japanese Unexamined Patent Publication No. 2016-170648

It is an object of the present invention to provide a display control device for displaying a map screen indicating the location of a fire detection means and the location of an electronic signboard as the current position of a viewer of the electronic signboard on the electronic signage.

In order to solve the above-mentioned problems, the present invention identifies an electronic signage associated with a fire detecting means that has detected a fire when it receives a fire information signal notifying the confirmation of a fire, and the electronic signage is attached to the electronic signage. Provided is a display control device for displaying a map screen indicating the location of the fire detection means and the location of the digital signage as the current position of the viewer of the digital signage.

The present invention provides a display control device for displaying a map screen indicating the location of the fire detection means and the location of the digital signage as the current position of the viewer of the digital signage on the electronic signage.

It is a figure which shows an example of the structure of the disaster prevention system 1. It is a figure which shows an example of the structure of the fire receiver 5. It is a figure which shows an example of a sensor database 521. It is a figure which shows an example of the structure of a display device 6. It is a figure which shows an example of the configuration of a display control server 7. It is a figure which shows an example of various databases. It is a flowchart which shows an example of a display control operation. It is a flowchart which shows an example of the sensor alerting screen display control. It is a figure which shows an example of a disaster prevention screen. It is a flowchart which shows an example of a fire screen display control. It is a flowchart which shows an example of the non-fire screen display control. It is a figure which shows an example of the structure of the fire receiver 5A. It is a figure which shows an example of the configuration of the display control server 7A. It is a flowchart which shows an example of a display control operation. It is a figure which shows an example of the structure of the display device 6A. It is a flowchart which shows an example of a display control operation. It is a flowchart which shows an example of the sensor alerting screen display control. It is a flowchart which shows an example of a fire screen display control. It is a flowchart which shows an example of the non-fire screen display control. It is a figure which shows an example of the structure of the display device 6B. It is a flowchart which shows an example of a display control operation.

1. 1. First Embodiment 1-1. Configuration of Disaster Prevention System 1 FIG. 1 is a diagram showing an example of the configuration of the disaster prevention system 1 according to the embodiment of the present invention. The disaster prevention system 1 includes an automatic fire alarm system 2 (hereinafter, “self-fire alarm system 2”) and a display system 3.

<Configuration of fire alarm system 2>
The fire alarm system 2 is installed in a facility that is a fire prevention object. Here, the facilities are commercial facilities such as stations, department stores and shopping centers, public facilities such as airports, medical facilities such as hospitals, and educational facilities such as universities. The fire alarm system 2 includes fire detectors 4 installed in various parts of the facility and fire receivers 5 installed in the disaster prevention center of the facility. The fire detector 4 and the fire receiver 5 are connected via a signal line. The fire receiver 5 is also connected to the display control server 7 via the communication line 8. Here, the communication line 8 is, for example, a communication network such as the Internet or a wireless LAN. The self-fire alarm system 2 may be a P-type system or an R-type system. In the following description, it is assumed that the fire alarm system 2 is an R-type system.

<Structure of fire detector 4>
The fire detector 4 is an example of a fire detection means, for example, a photoelectric smoke detector. Although not shown, the fire detector 4 includes a fire detection unit that detects smoke generated during a fire to detect a fire, and a fire detection signal that includes an address that is self-identification information when the fire detection unit detects a fire. Is provided with a signal transmission unit that transmits the above to the fire receiver 5. As a modification, the fire detector 4 may be another type of detector such as a heat detector or a flame detector.

<Configuration of fire receiver 5>
FIG. 2 is a diagram showing an example of the configuration of the fire receiver 5. The fire receiver 5 includes a control unit 51, a storage unit 52, a display unit 53, an operation input unit 54, a first communication unit 55, and a second communication unit 56.

The control unit 51 includes an arithmetic processing device such as a CPU and a volatile memory such as a RAM, and executes a program stored in the storage unit 52. The storage unit 52 is a storage device such as an HDD or a flash memory, and stores a program executed by the control unit 51 and the sensor database 521. FIG. 3 is a diagram showing an example of the sensor database 521. The detector database 521 stores the district number, district name, and the like of the installation location of the detector in association with the address of the fire detector 4. As a modification, the storage unit 52 may be an external storage device. The display unit 53 is a display device such as a liquid crystal display or an organic EL display, and may include an indicator lamp such as an LED that typically indicates various states. The operation input unit 54 is an input device such as an operation button or a touch panel. The first communication unit 55 is a communication interface for communicating with the fire detector 4 via a signal line. The second communication unit 56 is a communication interface for communicating with the display control server 7 via the communication line 8.

The control unit 51 of the fire receiver 5 realizes the functions of the first signal receiving unit 511, the fire determination unit 512, and the signal transmitting unit 513 by executing the program stored in the storage unit 52.

The first signal receiving unit 511 receives the fire detection signal from the fire detector 4. Upon receiving the fire detection signal, the detector database 521 is referred to to identify the installation location corresponding to the address contained in the signal. Further, the first signal receiving unit 511 receives a fire signal from a transmitter (not shown) via a signal line.

The fire determination unit 512 determines the occurrence of a fire based on the signal received by the first signal reception unit 511. Specifically, when a fire detection signal is received from the second fire detector 4, and when a certain period of time has passed since the fire detection signal was received from the first fire detector 4, transmission is performed. When a fire signal is received from the machine, the occurrence of a fire is determined. Further, the fire determination unit 512 also determines the occurrence of a fire when a fire confirmation operation is performed using the operation input unit 54.

The signal transmission unit 513 transmits a fire information signal to the display control server 7. Specifically, when the fire detection signal is received by the first signal receiving unit 511, a sensor issuing signal notifying that the detector has been activated is transmitted to the display control server 7. The detector alarm signal includes the address of the activated fire detector 4 and the installation location information. Further, when the fire determination unit 512 determines that a fire has occurred, the signal transmission unit 513 transmits a fire confirmation signal notifying the confirmation of the fire to the display control server 7. Further, the signal transmission unit 513 transmits a non-fire signal to the display control server 7 when the restoration operation is performed using the operation input unit 54.

Although not described in detail, the fire receiver 5 has a function of giving a fire alarm of the main sound and the district sound when a fire occurs, and as the district sound, the sound control of the district bell or the emergency broadcasting equipment is used. Then, voice alarm control is performed, and fire alarm operation is performed for the necessary floors and the entire facility.

<Configuration of display system 3>
The display system 3 is used on a daily basis in various facilities that are fire prevention objects, and includes display devices 6 installed at various places required according to the purpose of the facilities, and a display control server 7. The display device 6 and the display control server 7 are connected to each other via the communication line 8.

<Configuration of display device 6>
FIG. 4 is a diagram showing an example of the configuration of the display device 6. The display device 6 is a digital signage. Here, the digital signage is an electronic signboard equipped with an electronic display device and displaying information such as advertisements, floor guides, and news. The information displayed on the digital signage can be changed by updating the information stored in the device, and the display of the displayed information can be switched at regular intervals. Digital signage is mainly installed outdoors and in stores. The display device 6 includes a control unit 61, a storage unit 62, a display unit 63, and a communication unit 64.

The control unit 61 includes an arithmetic processing device such as a CPU and a volatile memory such as RAM, and executes a program stored in the storage unit 62. The storage unit 62 is a storage device such as an HDD or a flash memory, and is composed of a program executed by the control unit 61, non-disaster prevention information such as advertisements and floor guides, a non-disaster prevention information display schedule, and self-identification information. Memorize a display device address. The display unit 63 is a display device such as a plasma display, a liquid crystal display, or a projector. The display unit 63 normally displays the non-disaster prevention information stored in the storage unit 62 according to the display schedule under the control of the control unit 61. The communication unit 64 is a communication interface for communicating with the display control server 7 via the communication line 8.

The control unit 61 of the display device 6 realizes the functions of the display instruction receiving unit 611 and the display control unit 612 by executing the program stored in the storage unit 62.

The display instruction receiving unit 611 receives a display instruction from the display control server 7.

When the display instruction receiving unit 611 receives the display instruction, the display control unit 612 causes the display unit 63 to display the disaster prevention information according to the display instruction. Specifically, when instructed to display the sensor alarm screen, the display of the display unit 63 is switched from the non-disaster prevention information to the sensor alarm screen. When instructed to display the fire screen, the display of the display unit 63 is switched from the non-disaster prevention information or the detector alarm screen to the fire screen. If the fire screen is already displayed, refresh the fire screen. When instructed to display the non-fire screen, the display of the display unit 63 is switched from the detector alarm screen to the non-fire screen. When displaying the disaster prevention information, the display control unit 612 displays a plurality of disaster prevention information expressed in different languages constituting the disaster prevention information in the display order indicated by the received display instruction.

<Configuration of display control server 7>
FIG. 5 is a diagram showing an example of the configuration of the display control server 7. The display control server 7 is a computer device that causes the display device 6 to display disaster prevention information based on the fire information signal transmitted from the fire receiver 5. The display control server 7 includes a control unit 71, a storage unit 72, and a communication unit 73.

The control unit 71 includes an arithmetic processing device such as a CPU and a volatile memory such as RAM, and executes a program stored in the storage unit 72. The storage unit 72 is a storage device such as an HDD or a flash memory, and stores a program executed by the control unit 71 and disaster prevention information to be displayed on the display device 6. Here, the disaster prevention information is specifically information on the disaster prevention screen for notifying the disaster prevention information. More specifically, even if the detector alarm screen notifying that the fire detector 4 has been activated (the location of the detector alarm and the detector alarm map showing the current position of the viewer of the display device 6 are included) Alternatively, a separate sensor alarm map screen may be provided and displayed alternately), and a fire screen that notifies the confirmation of the fire and the location of the fire and the current position of the viewer of the display device 6. (The fire screen may be used only for the notification of the confirmation of the fire, and a fire map screen showing the location of the fire and the current position of the viewer of the display device 6 may be provided separately and displayed alternately). A non-fire screen notifying that it has been confirmed (a non-fire map showing the current position of the viewer of the display device 6 may be included, or a non-fire map screen may be separately provided and displayed alternately). Information. Each disaster prevention screen is composed of a plurality of disaster prevention screens expressed in different languages. Specifically, it is composed of a plurality of disaster prevention screens expressed in Japanese, English, Chinese, and Korean. The number and types of languages may be changed according to the expected language used by the viewer.

Further, the storage unit 72 stores the signal database 721, the display device database 722, and the interlocking database 723. FIG. 6A is a diagram showing an example of the signal database 721. The signal database 721 stores each fire information signal received from the fire receiver 5 in association with the reception date and time of the signal, the type of the signal, and the address of the fire detector 4 included in the signal. FIG. 6B is a diagram showing an example of the display device database 722. The display device database 722 stores the district number and the district name of the place where the device is installed and the display order of the disaster prevention screen in association with the address of the display device 6 installed in each place of the facility. Here, the display order of the disaster prevention screen is the order in which a plurality of screens expressed in different languages constituting the disaster prevention screen are displayed. The display order of each display device 6 is predetermined based on the arrangement relationship with the other display devices 6. Specifically, the display order of the adjacent or adjacent display devices 6 is determined in advance so as to be different from each other. This is a time in which different languages are sequentially displayed on the adjacent or adjacent display devices 6 at the same time, and the viewer of the display device 6 waits until the disaster prevention information expressed in a language that he / she can understand is displayed. This is to shorten. FIG. 6C is a diagram showing an example of the interlocking database 723. The interlocking database 723 is a database referred to for specifying a display device 6 for displaying the event when the fire detector 4 is activated. The interlocking database 723 stores the address of the fire detector 4 and the address of the display device 6 in association with each other. FIG. 6C is an example, and the addresses of the plurality of display devices 6 may be associated with the addresses of the fire detector 4. As a modification, the storage unit 72 may be an external storage device.

The communication unit 73 is a communication interface for communicating with the fire receiver 5 and the display device 6 via the communication line 8.

The control unit 71 of the display control server 7 executes the program stored in the storage unit 72 to execute the second signal receiving unit 711, the display destination specifying unit 712, the information generation unit 713, and the display order specifying unit 714. And, a function called a display control unit 715 is realized.

The second signal receiving unit 711 receives the fire information signal transmitted by the signal transmitting unit 513 of the fire receiver 5. Specifically, it receives a detector alarm signal, a fire confirmation signal, or a non-fire signal. When the fire information signal is received, the information of the signal is registered in the signal database 721 in association with the reception date and time.

When the fire information signal is received by the second signal receiving unit 711, the display destination specifying unit 712 specifies the display device 6 to display the disaster prevention information. Specifically, when the sensor alarm signal or the non-fire signal is received, the display device 6 is specified with reference to the signal database 721 and the interlocking database 723. More specifically, the signal database 721 is referred to to identify the fire detector 4 that has been activated so far, and then the interlocking database 723 is referred to to indicate the display associated with the identified fire detector 4. Identify the device 6. On the other hand, when the fire confirmation signal is received, all the display devices 6 are specified with reference to the display device database 722. That is, the number of display devices 6 specified by the display destination specifying unit 712 increases according to the number of fire information signals received by the second signal receiving unit 711.

When the fire information signal is received by the second signal receiving unit 711, the information generation unit 713 acquires or generates disaster prevention information corresponding to the received fire information signal. Specifically, when the sensor alarm signal indicating the detector alarm of the first report is received, the sensor alarm screen information is acquired from the storage unit 72 (the sensor together with the sensor alarm screen). Information on the alert map screen may be generated). When the detector alarm signal indicating the second and subsequent alarm alarms or the fire confirmation signal is received, the fire screen information is acquired from the storage unit 72. Then, with reference to the signal database 721, the locations of the fire detectors 4 that have been activated so far (that is, the locations where the fires have occurred) are plotted on the map of the facility shown on the fire screen. Further, with reference to the display device database 722, the installation location of the display device 6 (that is, the current position of the viewer) specified by the display destination identification unit 712 is plotted on the map of the facility shown on the fire screen. Generate fire screen information to be transmitted to the display device 6 (the fire confirmation notification may be used as the fire screen, and the information may be generated separately for the notification screen and the fire map screen). When the non-fire signal is received, the non-fire screen information is acquired from the storage unit 72 (the non-fire map screen information may be generated together with the non-fire screen).

When the display order specifying unit 714 displays the disaster prevention information on the display device 6 specified by the display destination specifying unit 712, a plurality of disaster prevention information expressed in different languages constituting the disaster prevention information is displayed. Specify the display order. At that time, the display order specifying unit 714 specifies the display order with reference to the display device database 722.

The display control unit 715 for the display device 6 specified by the display destination specifying unit 712, the disaster prevention screen information acquired or generated for the device by the information generation unit 713, and the display order specifying unit 714. Send display instructions, including display order information indicating the display order identified for. That is, the display control unit 715 causes the specified display device 6 to display a plurality of disaster prevention information expressed in different languages constituting the acquired or generated disaster prevention information in the specified display order. ..

1-2. Operation of disaster prevention system 1 The display control operation executed by the display control server 7 will be described. FIG. 7 is a flowchart showing an example of the display control operation. This display control operation is executed when the display control server 7 receives the fire information signal from the fire receiver 5.

When the fire information signal received by the second signal receiving unit 711 of the display control server 7 is a sensor alarm signal (“sensor alarm signal” of Sa1), the information generation unit 713 refers to the signal database 721. Then, it is determined whether or not the alarm indicated by the signal is the first report (Sa2). As a result of this determination, if it is not the first report (NO of Sa2), step Sa4 is executed. On the other hand, in the case of the first report (YES of Sa2), a process for displaying the sensor alarm screen on the display device 6 is executed (Sa3). FIG. 8 is a flowchart showing an example of this process.

First, the information generation unit 713 acquires the sensor alarm screen information from the storage unit 72 (Sa31). When the screen information is acquired, the display destination specifying unit 712 refers to the signal database 721 and the interlocking database 723 and identifies the display device 6 for displaying the sensor alarm screen (Sa32). When the display device 6 is specified, the display order specifying unit 714 specifies the display order of the specified display device 6 with reference to the display device database 722 (Sa33). When the display order is specified, the display control unit 715 identifies the display instruction including the display order information indicating the specified display order and the sensor alarm screen information acquired in step Sa31 in step Sa32. It is transmitted to the display device 6 (Sa34). After the display instruction is transmitted, if a plurality of display devices 6 are specified in step Sa32 and the display instruction is not transmitted to all the display devices 6 (NO of Sa35), the display instruction is transmitted. Steps Sa33 and Sa34 are performed for another display device 6. On the other hand, when the display instruction is transmitted to all the display devices 6 specified in step Sa32 (YES of Sa35), this display control operation ends.

When the display instruction transmitted by the display control server 7 is received by the display instruction receiving unit 611 of the display device 6, the display control unit 612 of the device detects the display of the display unit 63 from the non-disaster prevention information according to the display instruction. Switch to the device alarm screen (if a sensor alarm map screen is provided separately, the sensor alarm screen and the sensor alarm map screen are switched alternately and displayed). FIG. 9A is a diagram showing an example of a sensor alarm screen. The screen is a sensor alarm screen expressed in Japanese.

In the determination of step Sa1 above, if the fire information signal received by the display control server 7 is a fire confirmation signal (“fire confirmation signal” of Sa1), a process for displaying the fire screen on the display device 6. Is executed (Sa4). FIG. 10 is a flowchart showing an example of this process.

First, the display destination specifying unit 712 identifies the display device 6 for displaying the fire screen with reference to the display device database 722 (Sa41). When the display device 6 is specified, the display order specifying unit 714 specifies the display order of the specified display device 6 with reference to the display device database 722 (Sa42). When the display order is specified, the information generation unit 713 generates fire screen information for the display device 6 specified in step Sa41 with reference to the signal database 721 and the display device database 722 (Sa43). When the screen information is generated, the display control unit 715 transmits a display instruction including the generated fire screen information and the display order information indicating the display order specified in step Sa42 to the display device 6 (Sa44). ). After the display instruction is transmitted, if a plurality of display devices 6 are specified in step Sa41 and the display instruction is not transmitted to all the display devices 6 (NO of Sa45), the display instruction is transmitted. Steps Sa42 to Sa44 are executed for another display device 6. On the other hand, when the display instruction is transmitted to all the display devices 6 (YES of Sa45), this display control operation ends.

When the display instruction transmitted by the display control server 7 is received by the display instruction receiving unit 611 of the display device 6, the display control unit 612 of the device displays the display of the display unit 63 as non-disaster prevention information or sensing according to the display instruction. Switch from the device alarm screen to the fire screen (when only the notification of fire confirmation is the fire screen, the fire screen and the fire map screen are switched alternately and displayed). FIG. 9B is a diagram showing an example of a fire screen. The screen is particularly an example of a fire screen displayed on the display device 6 when the display control server 7 receives the fire confirmation signal. The screen is a fire screen expressed in Japanese. On the screen, an evacuation port, an installation location of the activated fire detector 4 (that is, a fire occurrence location), and an installation location of the display device 6 (that is, the current position of the viewer) are displayed on a map. FIG. 9 (c) is a diagram showing another example of the fire screen. The screen is particularly an example of a fire screen displayed on the display device 6 when the display control server 7 further receives a sensor alarm signal after receiving the fire confirmation signal. The screen is a fire screen expressed in Japanese. Compared to the screen illustrated in FIG. 9B, the screen has an increased number of places where the activated fire detector 4 is installed (that is, a place where a fire occurs).

In the determination of step Sa1 above, when the fire information signal received by the display control server 7 is a non-fire signal (“non-fire signal” of Sa1), the display device 6 is for displaying the non-fire screen. The process is executed (Sa5). FIG. 11 is a flowchart showing an example of this process.

First, the information generation unit 713 acquires non-fire screen information from the storage unit 72 (Sa51). When the screen information is acquired, the display destination specifying unit 712 identifies the display device 6 for displaying the non-fire screen by referring to the signal database 721 and the interlocking database 723 (Sa52). When the display device 6 is specified, the display order specifying unit 714 specifies the display order of the specified display device 6 with reference to the display device database 722 (Sa53). When the display order is specified, the display control unit 715 displays the display instruction including the display order information indicating the specified display order and the non-fire screen information acquired in step Sa51, and the display device for which the display order is specified. It is transmitted to 6 (Sa54). After the display instruction is transmitted, if a plurality of display devices 6 are specified in step Sa52 and the display instruction is not transmitted to all the display devices 6 (NO of Sa55), the display instruction is transmitted. Steps Sa53 and Sa54 are performed for another display device 6. On the other hand, when the display instruction is transmitted to all the display devices 6 (YES of Sa55), this display control operation ends.

When the display instruction transmitted by the display control server 7 is received by the display instruction receiving unit 611 of the display device 6, the display control unit 612 of the device displays the display of the display unit 63 as non-disaster prevention information or sensing according to the display instruction. Switch from the device alarm screen to the non-fire screen (if a non-fire map screen is provided separately, the non-fire screen and the non-fire map screen are switched alternately and displayed). FIG. 9D is a diagram showing an example of a non-fire screen. The screen is a non-fire screen expressed in Japanese.

In this way, the sensor alarm screen, fire screen, and non-fire screen display the map only on the fire screen, but the map may be included in all of them, and the screens can be switched sequentially in digital signage. Therefore, each screen may be prepared as a separate screen for each notification screen and the map screen, and may be controlled to be switched and displayed. Further, regarding the selection of the display device 6, each screen may be displayed on all the display devices 6 without selecting the corresponding place. In addition, when switching to a fire screen or the like for all display devices 6, if a large number of people in the facility start evacuating all at once, the evacuation ports may become crowded, causing danger or panic. Therefore, the display control unit 715 may control the timing of switching the screen of each display device 6 so as to switch in order from the display device 6 closest to the center of the fire location. Further, the number of display devices 6 for switching to the fire screen or the like may be increased in order of proximity, centering on the fire location, according to the number of fire detectors 4 that have detected a fire. Further, when the fire receiver 5 receives the second fire detection signal from another fire detector 4 in a state where the fire detection signal is received from only one fire detector 4, the fire receiver 5 determines the occurrence of a fire. The fire confirmation signal is also transmitted to the display control server 7, but it is not necessary to transmit the fire confirmation signal to the display control server 7 when the second fire detection signal is received. In the present embodiment, the fire receiver 5 transmits a fire confirmation signal in addition to the second fire detection signal when the second fire detection signal is received, and the display control server 7 transmits the second fire detection signal or the second fire detection signal. Although the fire screen display control is performed based on one of the fire confirmation signals, the fire screen display control can be performed even with only the second fire detection signal.

According to the disaster prevention system 1 described above, each time the display control server 7 receives a fire information signal from the fire receiver 5, the disaster prevention information to be displayed on the display device 6 can be switched. In other words, the disaster prevention information displayed on the display device 6 can be switched according to the spread of the fire. Further, when the detector is issued, the disaster prevention information can be displayed only on the display device 6 corresponding to the activated fire detector 4, while the disaster prevention information can be displayed on all the display devices 6 after the fire is confirmed. In other words, the number of display devices 6 for displaying disaster prevention information can be increased as the fire spreads. Further, since the disaster prevention information in various languages is displayed in different orders on the adjacent or adjacent display devices 6, the time for the viewer of the display device 6 to wait until the disaster prevention information that he / she can understand is displayed is shortened. ..

2. 2. 2nd Embodiment In the disaster prevention system 1 according to the 1st embodiment, the display of the display device 6 is switched every time the display control server 7 receives the fire information signal, but the display control server 7 once outputs the fire information signal. After being received, the display of the display device 6 may be switched every time a predetermined time elapses. Further, the predetermined time until the display is switched may be extended, or the time counting of the elapsed time may be paused. For example, when one fire detector 4 detects a fire, the display device 6 displays a detector alarm screen, and even if another fire detector 4 does not detect a fire, a fire occurs when a predetermined time elapses. It is possible to determine that a fire has occurred (fire confirmed), display a fire screen, and evacuate people in the facility. Then, when it takes time to go to the place where the fire is detected and confirm the fire, the predetermined time can be extended or the time counting of the elapsed time can be temporarily stopped. In addition, the number of display devices 6 for displaying the fire screen after a predetermined time from the confirmation of the fire can be increased, or the display can be switched to a display prompting evacuation more strongly. Hereinafter, the disaster prevention system 1A that realizes such an operation will be described.

2-1. Configuration of disaster prevention system 1A

The configuration of the disaster prevention system 1A is the same as that of the disaster prevention system 1 except that the fire receiver 5A is provided in place of the fire receiver 5 and the display control server 7A is provided in place of the display control server 7. Therefore, in the following description, only the configuration of the fire receiver 5A and the display control server 7A will be described.

<Structure of fire receiver 5A>
FIG. 12 is a diagram showing an example of the configuration of the fire receiver 5A. As shown in the figure, the fire receiver 5A realizes a function called a signal transmission unit 513A instead of the signal transmission unit 513 by executing a program stored in the storage unit 52 by the control unit 51, and receives a delay instruction. It differs from the fire receiver 5 according to the first embodiment in that the functions of the unit 514, the stop instruction receiving unit 515, and the restart instruction receiving unit 516 are further realized.

When the delay instruction receiving unit 514 is instructed to delay the display switching of the display device 6 by using the operation input unit 54, the delay instruction receiving unit 514 receives the delay instruction. When the delay is instructed, the delay time is specified.

When the stop instruction receiving unit 515 is instructed to stop switching the display of the display device 6 by using the operation input unit 54, the stop instruction receiving unit 515 receives the stop instruction.

The restart instruction receiving unit 516 receives the restart instruction when the operation input unit 54 is instructed to restart the display switching of the display device 6 after the display switching of the display device 6 is stopped.

In addition to the fire information signal, the signal transmission unit 513A has a delay signal received by the delay instruction reception unit 514, a stop signal received by the stop instruction reception unit 515, and a restart signal received by the restart instruction reception unit 516. Is further transmitted to the display control server 7, which is different from the signal transmission unit 513 according to the first embodiment.

<Configuration of display control server 7A>
FIG. 13 is a diagram showing an example of the configuration of the display control server 7A. As shown in the figure, the display control server 7A stores the signal database 721A instead of the signal database 721, and the control unit 71 executes a program stored in the storage unit 72 to execute the second signal receiving unit 711, Instead of the display destination specifying unit 712 and the information generation unit 713, the functions of the second signal receiving unit 711A, the display destination specifying unit 712A and the information generation unit 713A are realized, and the timing unit 716, the time elapsed determination unit 717, and the signal are realized. It differs from the display control server 7 according to the first embodiment in that the functions of the monitoring unit 718 and the predetermined time changing unit 719 are further realized.

In addition to the fire information signal received from the fire receiver 5A, the signal database 721A determines the signal reception date and time, the signal type, and the delay time for the delay signal, stop signal, and restart signal received from the fire receiver 5A. It differs from the signal database 721 according to the first embodiment in that it is stored in association with each other.

The second signal receiving unit 711A receives the delay signal, the stop signal, and the restart signal transmitted by the second signal receiving unit 711A in addition to the fire information signal transmitted by the signal transmitting unit 513A of the fire receiver 5A, and receives the signal. It is different from the second signal receiving unit 711 according to the first embodiment in that the information of is registered in the signal database 721A in association with the reception date and time.

The display destination specifying unit 712A identifies the display device 6 to display the disaster prevention information when the fire information signal is received by the second signal receiving unit 711A or a predetermined time has elapsed after the fire information signal is received. .. Specifically, when the sensor alarm signal or the non-fire signal is received, the display device 6 is specified with reference to the signal database 721A and the interlocking database 723. More specifically, the signal database 721A is referred to to identify the fire detector 4 that has been activated so far, and then the interlocking database 723 is referred to to indicate the display associated with the identified fire detector 4. Identify the device 6. On the other hand, the first predetermined time (for example, 3 minutes) has elapsed since the fire confirmation signal was received, the detector alarm signal was received, or the second predetermined time (for example, 3 minutes) after the first predetermined time has elapsed. For example, 10 minutes) elapses, or when a second predetermined time elapses after the fire confirmation signal is received, all the display devices 6 are specified with reference to the display device database 722. Here, the first predetermined time and the second predetermined time are stored in advance in the storage unit 72. That is, the number of display devices 6 specified by the display destination specifying unit 712 is the number of fire information signals received by the second signal receiving unit 711A, or after the fire information signal is received by the second signal receiving unit 711A. It increases with the elapsed time.

The information generation unit 713A receives the fire information signal by the second signal reception unit 711A, or when a predetermined time elapses after the fire information signal is received, the received fire information signal or the fire information signal is transmitted. Acquires or generates disaster prevention information corresponding to the time elapsed since it was received. When the disaster prevention information is generated after a predetermined time has elapsed from the reception of the fire information signal, the display control unit 715 has elapsed the predetermined time since the fire information signal was received by the second signal reception unit 711A. Later, the display device 6 displays the disaster prevention information corresponding to the elapsed time. Specifically, when the sensor alarm signal is received, the information generation unit 713A acquires the sensor alarm screen information from the storage unit 72. Whether the first predetermined time has elapsed since the fire confirmation signal was received, the detector alarm signal was received, the second predetermined time has elapsed since the first predetermined time has elapsed, or the fire has been confirmed. When the second predetermined time elapses after the signal is received, the fire screen information is acquired from the storage unit 72. Then, with reference to the signal database 721A, the locations of the fire detectors 4 that have been activated so far (that is, the locations of fire occurrences) are plotted on the map of the facility shown on the fire screen. Further, with reference to the display device database 722, the installation location of the display device 6 (that is, the current position of the viewer) specified by the display destination identification unit 712A is plotted on the map of the facility shown on the fire screen. Generates fire screen information to be transmitted to the display device 6. When the non-fire signal is received, the non-fire screen information is acquired from the storage unit 72.

The timekeeping unit 716 starts timing when the fire information signal is received by the second signal receiving unit 711A. After the start of timing, when the first predetermined time or the second predetermined time elapses or a fire confirmation signal is received, the timing is reset and restarted. After the start of timekeeping, when the stop signal is received by the second signal receiving unit 711A, the timekeeping is stopped, and when the restart signal is subsequently received, the timekeeping is restarted from the middle.

When the process for displaying the disaster prevention screen on the display device 6 is executed, the time lapse determination unit 717 reads the elapsed time measured by the timekeeping unit 716 and the time elapsed from the storage unit 72 into the RAM of the control unit 71. It is determined whether or not the predetermined time has elapsed with reference to the predetermined time. Specifically, when the process for displaying the sensor alarm screen is executed, it is determined whether or not the first predetermined time has elapsed, and when the process for displaying the fire screen is executed, the process is executed. It is determined whether or not the second predetermined time has elapsed.

When the signal monitoring unit 718 performs a process for displaying the sensor alarm screen or the fire screen on the display device 6, the signal monitoring unit 718 refers to the signal database 721A and refers to the fire information signal, the delay signal, the stop signal or the restart signal. Is newly received or not. When the delay signal is newly received, the display control unit 715 delays the switching of the display of the display device 6 according to the delay signal. When a new stop signal is received, the display control unit 715 stops switching the display of the display device 6 according to the stop signal.

When the delay signal is received by the second signal receiving unit 711A, the predetermined time changing unit 719 adds the delay time indicated by the delay signal to the predetermined time read from the storage unit 72 to the RAM of the control unit 71. do. Specifically, when a delay signal is received during the determination of the elapse of the first predetermined time, the delay time indicated by the delay signal is added to the first predetermined time. On the other hand, if a delay signal is received during the determination of the elapse of the second predetermined time, the delay time indicated by the delay signal is added to the second predetermined time.

2-2. Operation of Display Control Server 7A The display control operation executed by the display control server 7A will be described. FIG. 14 is a flowchart showing an example of the display control operation. This display control operation is executed when the display control server 7A receives a fire information signal (particularly, a detector alarm signal or a fire confirmation signal) from the fire receiver 5. After the start of the operation, the first predetermined time and the second predetermined time stored in the storage unit 72 are read out to the RAM of the control unit 71.

When the fire information signal is received by the display control server 7A, the timing unit 716 starts timing (Sb1). After that, when the received fire information signal is a sensor alarm signal (“sensor alarm signal” of Sb2), a process for displaying the sensor alarm screen on the display device 6 is executed. (Sb3). The procedure of the process is the same as that of step Sa3 except that step Sa31 shown in FIG. 8 is executed by the information generation unit 713A and step Sa32 is executed by the display destination specifying unit 712A. Is omitted. An example of the sensor alarm screen is as shown in FIG. 9 (a).

After the execution of step Sb3, the time lapse determination unit 717 has elapsed the first predetermined time with reference to the elapsed time measured by the timing unit 716 and the first predetermined time stored in the RAM of the control unit 71. Whether or not it is determined (Sb4). As a result of this determination, when the first predetermined time has elapsed (YES in Sb4), the timekeeping unit 716 resets the timekeeping and then restarts (Sb5), and then step Sb16 is executed. At that time, when the first predetermined time stored in the RAM is the one to which the delay time is added in step Sb7 described later, it is reset to the one before the delay time is added. On the other hand, when the first predetermined time has not elapsed (NO in Sb4), the signal monitoring unit 718 refers to the signal database 721A and determines whether or not a delayed signal is newly received (Sb6). ). As a result of this determination, if the delay signal is not newly received (NO in Sb6), step Sb7 is omitted and step Sb8 is executed. On the other hand, as a result of this determination, when a delay signal is newly received (YES in Sb6), the predetermined time change unit 719 stores the delay time indicated by the delay signal in the RAM of the control unit 71. Add to the first predetermined time (Sb7).

After the execution of step Sb7, the signal monitoring unit 718 refers to the signal database 721A and determines whether or not a stop signal is newly received (Sb8). As a result of this determination, if the stop signal is not newly received (NO in Sb8), steps Sb9 to Sb11 are omitted and step Sb12 is executed. On the other hand, as a result of this determination, when a stop signal is newly received (YES of Sb8), the timekeeping unit 716 stops the timekeeping (Sb9). After that, the signal monitoring unit 718 refers to the signal database 721A and determines whether or not the restart signal is newly received (Sb10). When a new restart signal is received (YES in Sb10), the timekeeping unit 716 restarts the timekeeping from the middle (Sb11).

After the execution of step Sb11, the signal monitoring unit 718 refers to the signal database 721A and determines whether or not a new fire confirmation signal has been received (Sb12). As a result of this determination, if a new fire confirmation signal is received (YES in Sb12), the timekeeping unit 716 resets the timekeeping and then restarts (Sb13), and then step Sb16 is executed. On the other hand, as a result of this determination, if the fire confirmation signal is not newly received (NO of Sb12), the signal monitoring unit 718 refers to the signal database 721A to see if the non-fire signal is newly received. It is determined whether or not (Sb14). As a result of this determination, when a new non-fire signal is received (YES in Sb14), a process for displaying the non-fire screen on the display device 6 is executed (Sb15). The procedure of the process is the same as that of step Sa5 except that step Sa51 in FIG. 11 is executed by the information generation unit 713A and step Sa52 is executed by the display destination specifying unit 712A. Omit. An example of a non-fire screen is as shown in FIG. 9 (d). After the execution of step Sb15, this display control operation ends. On the other hand, as a result of the determination in step Sb14, if the non-fire signal is not newly received (NO in Sb14), step Sb4 is executed again.

In the determination in step Sb2 above, if the fire information signal received by the display control server 7A is a fire confirmation signal (“fire confirmation signal” in Sb2), a process for displaying the fire screen on the display device 6. Is executed (Sb16). The procedure of the process is the same as that of step Sa4 except that step Sa41 of FIG. 10 is executed by the display destination specifying unit 712A and step Sa43 is executed by the information generation unit 713A. Omit. An example of a fire screen is as shown in FIG. 9 (b) or FIG. 9 (c).

After the execution of step Sb16, the time lapse determination unit 717 has elapsed the second predetermined time with reference to the elapsed time timed by the timekeeping unit 716 and the second predetermined time stored in the RAM of the control unit 71. Whether or not it is determined (Sb17). As a result of this determination, when the second predetermined time has elapsed (YES in Sb17), the timekeeping unit 716 resets the timekeeping and then restarts (Sb18), and then step Sb16 is executed again. At that time, when the second predetermined time stored in the RAM is the one to which the delay time is added by step Sb20 described later, it is reset to the one before the delay time is added. On the other hand, when the second predetermined time has not elapsed (NO of Sb17), the signal monitoring unit 718 refers to the signal database 721A and determines whether or not a delayed signal is newly received (Sb19). ). As a result of this determination, if the delay signal is not newly received (NO in Sb19), step Sb20 is omitted and step Sb21 is executed. On the other hand, as a result of this determination, when a delay signal is newly received (YES in Sb19), the predetermined time change unit 719 stores the delay time indicated by the delay signal in the RAM of the control unit 71. Add to the second predetermined time (Sb20).

After the execution of step Sb20, the signal monitoring unit 718 refers to the signal database 721A and determines whether or not a stop signal is newly received (Sb21). As a result of this determination, if the stop signal is not newly received (NO of Sb21), steps Sb22 to Sb24 are omitted and step Sb25 is executed. On the other hand, as a result of this determination, when a stop signal is newly received (YES of Sb21), the timekeeping unit 716 stops the timekeeping (Sb22). After that, the signal monitoring unit 718 refers to the signal database 721A and determines whether or not the restart signal is newly received (Sb23). When a new restart signal is received (YES in Sb22), the timekeeping unit 716 restarts the timekeeping from the middle (Sb24).

After the execution of step Sb24, it is determined whether or not the operation end instruction has been given using the operation input unit (not shown) of the display control server 7A (Sb25), and if the operation end instruction has not been given (NO of Sb25). When step Sb17 is executed again and an operation end instruction is given (YES in Sb25), this display control operation ends.

It should be noted that, instead of switching to the fire screen for all the display devices 16 when the first step Sb16 is executed, the fire screens are set in the order of closeness, centering on the fire location according to the number of executions of the second, third and step Sb16. The number of display devices 6 to be switched to may be increased. Further, a fire screen of a message prompting evacuation may be displayed according to the number of times of execution of step Sb16.

According to the disaster prevention system 1A described above, after the display control server 7A receives the fire information signal from the fire receiver 5A, the disaster prevention information to be displayed on the display device 6 can be switched every time a predetermined time elapses. In other words, the disaster prevention information displayed on the display device 6 can be switched according to the spread of the fire. In particular, if the display control server 7A does not receive a non-fire signal within a predetermined time after receiving the detector alarm signal, a fire screen is displayed on the display device 6 to urge people in the facility to evacuate. Can be safer. Further, depending on the circumstances such as the time required for on-site confirmation after the detector is issued, the switching of the display of the display device 6 can be delayed or stopped. Further, when the detector is issued, the disaster prevention information can be displayed only on the display device 6 corresponding to the activated fire detector 4, while the disaster prevention information can be displayed on all the display devices 6 after the fire is confirmed. In other words, the number of display devices 6 for displaying disaster prevention information can be increased as the fire spreads. Further, since the disaster prevention information in various languages is displayed in different orders on the adjacent display device 6, the time for the viewer of the display device 6 to wait until the disaster prevention information that he / she can understand is displayed is shortened.

3. 3. Modification Example The above-mentioned first and second embodiments may be modified as follows. Two or more of the following modifications may be combined with each other.

3-1. Modification 1
If a sprinkler is installed in a facility that is a fire prevention object, the sprinkler may be used as a fire detection means. In that case, the first signal receiving unit 511 of the fire receiver 5 or 5A receives the fire detection signal including the address which is the identification information of the activated sprinkler, refers to the sprinkler database (not shown), and corresponds to the address. Specify the installation location of the relevant sprinkler. When the fire detection signal is received by the first signal reception unit 511, the signal transmission unit 513 or 513A sends a sprinkler operation signal notifying that the sprinkler has been activated to the display control server 7 instead of the detector alarm signal. Send. This sprinkler operation signal includes the address of the sprinkler that has been activated and the installation location information.

3-2. Modification 2
The disaster prevention information stored in the display control server 7 or 7A, the installation location information of the display device 6, and the display order information may be stored in advance in each display device 6. According to this modification, the display control server 7 or 7A only needs to notify the display device 6 of the installation location (that is, the fire occurrence location) of the activated fire detector 4 specified by referring to the signal database 721 or 721A. Similar to the first or second embodiment described above, the display device 6 can display the disaster prevention screen.

3-3. Modification 3
The delay instruction receiving unit 514, the stop instruction receiving unit 515, and the restart instruction receiving unit 516 according to the second embodiment may be provided in the display control server 7A in place of or in addition to the fire receiver 5. In that case, each unit provided in the display control server 7A receives an instruction given by using an operation input unit (not shown) provided in the server. Further, it may be extended from the display control server 7A by wire or wirelessly and provided in various places in the facility.

3-4. Modification 4
The display device 6 according to the first embodiment is connected to a signal line extending from the fire receiver 5 instead of the communication line 8, receives a fire information signal from the fire receiver 5, and displays disaster prevention information. You may do so. FIG. 15 is a diagram showing an example of the configuration of the display device 6A that realizes such an operation. As shown in the figure, the display device 6A includes a storage unit 62A and a second signal receiving unit 613 in place of the storage unit 62 and the communication unit 64, and the control unit 61 executes a program stored in the storage unit 62A. This is different from the display device 6 according to the first embodiment in that the functions of the second signal receiving unit 613, the information generation unit 614, the display order specifying unit 615, and the display control unit 612A are realized. The display device 6A is connected to a signal line extending from the fire receiver 5 via a repeater (not shown), receives a fire information signal from the fire receiver 5 by the repeater, and transmits the fire information signal to the repeater. The disaster prevention information may be displayed by inputting to the display device 6A from. Further, the signal line may be the same as the one to which the fire detector 4 is connected, or may be wired separately.

The storage unit 62A is first in that it further stores the disaster prevention information stored in the storage unit 72 of the display control server 7 according to the first embodiment, the signal database 721, the installation location information of the own device, and the display order information. It is different from the storage unit 62 according to the embodiment.

The second signal receiving unit 613 receives the fire information signal transmitted by the signal transmitting unit 513 of the fire receiver 5. Specifically, it receives a detector alarm signal, a fire confirmation signal, or a non-fire signal. When the fire information signal is received, the information of the signal is registered in the signal database 721 in association with the reception date and time.

When the fire information signal is received by the second signal receiving unit 613, the information generation unit 614 acquires or generates disaster prevention information corresponding to the received fire information signal. Specifically, when the sensor alarm signal indicating the detector alarm of the first report is received, the sensor alarm screen information is acquired from the storage unit 62A. When the detector alarm signal indicating the second and subsequent alarm alarms or the fire confirmation signal is received, the fire screen information is acquired from the storage unit 62A. Then, with reference to the signal database 721, the locations of the fire detectors 4 that have been activated so far (that is, the locations where the fires have occurred) are plotted on the map of the facility shown on the fire screen. In addition, the installation location of the own device (that is, the current position of the viewer) is plotted on the map of the facility shown on the fire screen to generate fire screen information. When the non-fire signal is received, the non-fire screen information is acquired from the storage unit 62A.

The display order specifying unit 615 specifies the display order with reference to the display order information stored in the storage unit 62A.

When the disaster prevention information is acquired or generated by the information generation unit 614, the display control unit 612A causes the display unit 63 to display the disaster prevention information. At that time, the display control unit 612A displays a plurality of disaster prevention information expressed in different languages constituting the disaster prevention information in the display order specified by the display order specifying unit 615.

FIG. 16 is a flowchart showing an example of a display control operation executed by the display device 6A. This display control operation is executed when the display device 6A receives the fire information signal from the fire receiver 5.

When the fire information signal received by the display device 6A is a sensor alarm signal (“sensor alarm signal” of Sc1), the second signal receiving unit 613 refers to the signal database 721 and the signal is It is determined whether or not the indicated report is the first report (Sc2). As a result of this determination, if it is not the first report (NO of Sc2), step Sc4 is executed. On the other hand, in the case of the first report (YES of Sc2), a process for displaying the sensor alarm screen on the display unit 63 is executed (Sc3). FIG. 17 is a flowchart showing an example of this process.

First, the information generation unit 614 acquires the sensor alarm screen information from the storage unit 62A (Sc31). When the screen information is acquired, the display order specifying unit 615 acquires the display order by referring to the display order information stored in the storage unit 62A (Sc32). When the display order is specified, a plurality of screens expressed in different languages constituting the sensor alarm screen acquired in step Sc31 are displayed on the display unit 63 in the display order specified in step Sc32. Sc33). An example of the sensor alarm screen is as shown in FIG. 9 (a). When the sensor alarm screen is displayed, this display control operation ends.

In the determination of step Sc1 above, if the fire information signal received by the display device 6A is a fire confirmation signal (“fire confirmation signal” of Sc1), a process for displaying the fire screen on the display unit 63 is performed. It is executed (Sc4). FIG. 18 is a flowchart showing an example of this process.

First, the information generation unit 614 generates fire screen information by referring to the signal database 721 and the installation location information of the own device stored in the storage unit 62A (Sc41). When the screen information is generated, the display order specifying unit 615 acquires the display order by referring to the display order information stored in the storage unit 62A (Sc42). When the display order is specified, a plurality of screens expressed in different languages constituting the fire screen generated in step Sc41 are displayed on the display unit 63 in the display order specified in step Sc42 (Sc43). An example of a fire screen is as shown in FIG. 9 (b) or FIG. 9 (c). When the fire screen is displayed, this display control operation ends.

In the determination of step Sc1 described above, when the fire information signal received by the display device 6A is a non-fire signal (“non-fire signal” of Sc1), a process for displaying the non-fire screen on the display unit 63. Is executed (Sc5). FIG. 19 is a flowchart showing an example of this process.

First, the information generation unit 614 acquires non-fire screen information from the storage unit 62A (Sc51). When the screen information is acquired, the display order specifying unit 615 acquires the display order by referring to the display order information stored in the storage unit 62A (Sc52). When the display order is specified, a plurality of screens expressed in different languages constituting the non-fire screen acquired in step Sc51 are displayed on the display unit 63 in the display order specified in step Sc52 (Sc53). .. An example of a non-fire screen is as shown in FIG. 9 (d). When the non-fire screen is displayed, this display control operation ends.

According to the display device 6A described above, the disaster prevention information to be displayed on the display unit 63 can be switched each time the fire information signal is received from the fire receiver 5. In other words, the disaster prevention information displayed on the display unit 63 can be switched according to the expansion of the fire. In this modification, the display device 6A can display disaster prevention information without going through the display control server 7, functions even if the communication line 8 is down, and each display device 6A is provided with a storage battery or the like to supply power. By taking measures when the supply is cut off, the display device 6A can display the necessary display even if the commercial power supply goes down due to an earthquake such as an earthquake. Here, in general, the fire receiver 5 is connected to a storage battery and can operate as required even after the power is turned off. The fire receiver 5 may be provided with either or both of the functions of the information generation unit 614 and the display order specifying unit 615, and the display may be switched by control from the fire receiver 5.

3-5. Modification 5
The display device 6 according to the second embodiment is connected to a signal line extending from the fire receiver 5A instead of the communication line 8, receives a fire information signal from the fire receiver 5A, and displays disaster prevention information. You may do so. FIG. 20 is a diagram showing an example of the configuration of the display device 6B that realizes such an operation. As shown in the figure, the display device 6B stores the signal database 721A stored in the display control server 7A instead of the signal database 721, and the control unit 61 executes a program stored in the storage unit 62A. Instead of the second signal receiving unit 613 and the information generating unit 614, the functions of the second signal receiving unit 613A and the information generating unit 614A are realized, and the timing unit 616, the time lapse determination unit 617, the signal monitoring unit 618, and the signal monitoring unit 618 are realized. It differs from the display device 6A according to the modified example 4 in that the function of the predetermined time changing unit 619 is further realized. As in the modification 4, the display device 6A may be connected to the signal line via the repeater, and the signal line may be the same as the one to which the fire detector 4 is connected or may be wired separately.

The second signal receiving unit 613A receives the delay signal, the stop signal, and the restart signal transmitted by the second signal receiving unit 613A in addition to the fire information signal transmitted by the signal transmitting unit 513A of the fire receiver 5A, and receives the signal. It is different from the second signal receiving unit 613 according to the modified example 4 in that the information of is registered in the signal database 721A in association with the reception date and time.

In the information generation unit 614A, when the fire information signal is received by the second signal reception unit 613A, or when a predetermined time elapses after the fire information signal is received, the received fire information signal or the fire information signal is transmitted. Acquires or generates disaster prevention information corresponding to the time elapsed since it was received. Specifically, when the sensor alarm signal is received, the sensor alarm screen information is acquired from the storage unit 62A. Whether the first predetermined time has elapsed since the fire confirmation signal was received, the detector alarm signal was received, the second predetermined time has elapsed since the first predetermined time has elapsed, or the fire has been confirmed. When the second predetermined time elapses after the signal is received, the fire screen information is acquired from the storage unit 62A. Then, with reference to the signal database 721A, the locations of the fire detectors 4 that have been activated so far (that is, the locations of fire occurrences) are plotted on the map of the facility shown on the fire screen. In addition, the installation location of the own device (that is, the current position of the viewer) is plotted on the map of the facility shown on the fire screen to generate fire screen information. When the non-fire signal is received, the non-fire screen information is acquired from the storage unit 62A.

The timekeeping unit 616 starts timing when the fire information signal is received by the second signal receiving unit 613A. After the start of timing, when the first predetermined time or the second predetermined time elapses or a fire confirmation signal is received, the timing is reset and restarted. After the start of timekeeping, when the stop signal is received by the second signal receiving unit 613A, the timekeeping is stopped, and when the restart signal is subsequently received, the timekeeping is restarted from the middle.

When the process for displaying the disaster prevention screen on the display unit 63 is executed, the time lapse determination unit 617 reads the elapsed time measured by the timekeeping unit 616 and the time elapsed from the storage unit 62A into the RAM of the control unit 61. It is determined whether or not the predetermined time has elapsed with reference to the predetermined time. Specifically, when the process for displaying the sensor alarm screen is executed, it is determined whether or not the first predetermined time has elapsed, and when the process for displaying the fire screen is executed, the process is executed. It is determined whether or not the second predetermined time has elapsed.

When the signal monitoring unit 618 performs a process for displaying the sensor alarm screen or the fire screen on the display unit 63, the signal monitoring unit 618 refers to the signal database 721A and refers to a fire information signal, a delay signal, a stop signal, or a restart signal. Is newly received or not.

When the delay signal is received by the second signal receiving unit 613A, the predetermined time changing unit 619 adds the delay time indicated by the delay signal to the predetermined time read from the storage unit 62A to the RAM of the control unit 61. do. Specifically, when a delay signal is received during the determination of the elapse of the first predetermined time, the delay time indicated by the delay signal is added to the first predetermined time. On the other hand, if a delay signal is received during the determination of the elapse of the second predetermined time, the delay time indicated by the delay signal is added to the second predetermined time.

FIG. 21 is a flowchart showing an example of a display control operation executed by the display device 6B. This display control operation is executed when the display device 6B receives a fire information signal (particularly, a detector alarm signal or a fire confirmation signal) from the fire receiver 5A. After the start of the operation, the first predetermined time and the second predetermined time stored in the storage unit 62A are read out to the RAM of the control unit 61.

When the fire information signal is received by the display device 6B, the timing unit 616 starts timing (Sd1). After that, when the received fire information signal is a sensor alarm signal (“sensor alarm signal” of Sd2), a process for displaying the sensor alarm screen on the display unit 63 is executed. (Sd3). Since the procedure of the process is the same as that of step Sc3 described above except that step Sc31 is executed by the information generation unit 614A, the description thereof will be omitted.

After the execution of step Sd3, the time lapse determination unit 617 has elapsed the first predetermined time with reference to the elapsed time measured by the timing unit 616 and the first predetermined time stored in the RAM of the control unit 61. Whether or not it is determined (Sd4). As a result of this determination, when the first predetermined time has elapsed (YES in Sd4), the timekeeping unit 616 resets the timekeeping and then restarts (Sd5), and then step Sd16 is executed. At that time, when the first predetermined time stored in the RAM is the one to which the delay time is added by step Sd7 described later, it is reset to the one before the delay time is added. On the other hand, when the first predetermined time has not elapsed (NO of Sd4), the signal monitoring unit 618 refers to the signal database 721A and determines whether or not a delayed signal is newly received (Sd6). ). As a result of this determination, if the delay signal is not newly received (NO of Sd6), step Sd7 is omitted and step Sd8 is executed. On the other hand, as a result of this determination, when a delay signal is newly received (YES of Sd6), the predetermined time change unit 619 stores the delay time indicated by the delay signal in the RAM of the control unit 61. Add to the first predetermined time (Sd7).

After the execution of step Sd7, the signal monitoring unit 618 refers to the signal database 721A and determines whether or not a stop signal is newly received (Sd8). As a result of this determination, if the stop signal is not newly received (NO of Sd8), steps Sd9 to Sd11 are omitted and step Sd12 is executed. On the other hand, as a result of this determination, when a stop signal is newly received (YES of Sd8), the timekeeping unit 616 stops the timekeeping (Sd9). After that, the signal monitoring unit 618 refers to the signal database 721A and determines whether or not the restart signal is newly received (Sd10). When a new restart signal is received (YES of Sd10), the timekeeping unit 616 restarts the timekeeping from the middle (Sd11).

After the execution of step Sd11, the signal monitoring unit 618 refers to the signal database 721A and determines whether or not a new fire confirmation signal has been received (Sd12). As a result of this determination, if a new fire confirmation signal is received (YES of Sd12), the timekeeping unit 616 resets the timekeeping and then restarts (Sd13), and then step Sd16 is executed. On the other hand, as a result of this determination, if the fire confirmation signal is not newly received (NO of Sd12), the signal monitoring unit 618 refers to the signal database 721A to see if the non-fire signal is newly received. It is determined whether or not (Sd14). As a result of this determination, when a new non-fire signal is received (YES of Sd14), a process for displaying the non-fire screen on the display unit 63 is executed (Sd15). Since the procedure of the process is the same as that of step Sc5 described above except that step Sc51 of FIG. 19 is executed by the information generation unit 614A, the description thereof will be omitted. After the execution of step Sd15, this display control operation ends. On the other hand, as a result of this determination, if the non-fire signal is not newly received (NO of Sd14), step Sd4 is executed again.

In the determination of step Sd2 above, if the fire information signal received by the display device 6B is a fire confirmation signal (“fire confirmation signal” of Sd2), a process for displaying the fire screen on the display unit 63 is performed. It is executed (Sd16). Since the procedure of the process is the same as that of step Sc4 described above except that step Sc41 of FIG. 18 is executed by the information generation unit 614A, the description thereof will be omitted.

After the execution of step Sd16, the time lapse determination unit 617 has elapsed the second predetermined time with reference to the elapsed time measured by the timekeeping unit 616 and the second predetermined time stored in the RAM of the control unit 61. Whether or not it is determined (Sd17). As a result of this determination, when the second predetermined time has elapsed (YES of Sd17), the timekeeping unit 616 resets the timekeeping and then restarts (Sd18), and then step Sd16 is executed again. At that time, when the second predetermined time stored in the RAM is the one to which the delay time is added by the step Sd20 described later, it is reset to the one before the delay time is added. On the other hand, when the second predetermined time has not elapsed (NO of Sd17), the signal monitoring unit 618 refers to the signal database 721A and determines whether or not a delayed signal is newly received (Sd19). ). As a result of this determination, if the delay signal is not newly received (NO in Sd19), step Sd20 is omitted and step Sd21 is executed. On the other hand, as a result of this determination, when a delay signal is newly received (YES of Sd19), the predetermined time change unit 619 stores the delay time indicated by the delay signal in the RAM of the control unit 61. Add to the second predetermined time (Sd20).

After the execution of step Sd20, the signal monitoring unit 618 refers to the signal database 721A and determines whether or not a stop signal is newly received (Sd21). As a result of this determination, if the stop signal is not newly received (NO of Sd21), steps Sd22 to Sd24 are omitted and step Sd25 is executed. On the other hand, as a result of this determination, when a stop signal is newly received (YES of Sd21), the timekeeping unit 616 stops the timekeeping (Sd22). After that, the signal monitoring unit 618 refers to the signal database 721A and determines whether or not the restart signal is newly received (Sd23). When a new restart signal is received (YES of Sd22), the timekeeping unit 616 restarts the timekeeping from the middle (Sd24).

After the execution of step Sd24, it is determined whether or not the operation end instruction has been given using the operation input unit (not shown) of the fire receiver 5A (Sd25), and if the operation end instruction has not been given (NO of Sd25). When step Sd17 is executed again and an operation end instruction is given (YES in Sd25), this display control operation ends. In addition, the fire screen of the message urging evacuation may be displayed more strongly according to the number of executions of step Sd16.

According to the display device 6B described above, the disaster prevention information to be displayed on the display unit 63 can be switched every time a predetermined time elapses after receiving the fire information signal from the fire receiver 5A. In other words, the disaster prevention information displayed on the display unit 63 can be switched according to the expansion of the fire.

The delay instruction receiving unit 514, the stop instruction receiving unit 515, and the restart instruction receiving unit 516 according to the second embodiment may be provided in the display device 6B. In that case, each unit provided in the display device 6B receives an instruction given by using an operation input unit (not shown) provided in the device.

3-6. Modification 6
When the display control unit 715 of the display control server 7 or 7A according to the above embodiment displays the disaster prevention information on the display device 6, each of the plurality of disaster prevention information expressed in different languages constituting the disaster prevention information. May be displayed in different display areas divided and formed on the display device 6 instead of being switched and displayed. According to this modification, the viewer of the display device 6 does not have to wait until the disaster prevention information expressed in a language that he / she can understand is displayed. Similarly, when the display control unit 612A of the display device 6A or 6B according to the above-described modification displays the disaster prevention information on the display unit 63, a plurality of disaster prevention expressed in different languages constituting the disaster prevention information. Each of the information may be displayed in different display areas formed by dividing the information on the display unit 63.

3-7. Modification 7
The display device 6 according to the above embodiment is provided with a sound collecting unit (not shown) for collecting the voice of the speaker, and the display control unit 715 of the display control server 7 or 7A collects sound in the sound collecting unit. The display device 6 may display the disaster prevention information expressed in the language used specified based on the voice. Here, the sound collecting unit is specifically a microphone, and the determination of the language to be used based on voice may be performed by using a well-known language determination method (for example, Japanese Patent Application Laid-Open No. 2011-248002). According to this modification, the viewer of the display device 6 does not have to wait until the disaster prevention information expressed in a language that he / she can understand is displayed. The determination may be made by any of the display device 6, the display control server 7 or 7A, or another device. Similarly, the display device 6A or 6B according to the above modification is provided with a sound collecting unit, and the display control unit 612A of the device is a language used specified based on the sound picked up by the sound collecting unit. The disaster prevention information expressed by the above may be displayed on the display unit 63.

A well-known question answering system may be adopted for the display device 6, 6A or 6B so that a question from the viewer can be answered. For example, the response is detailed information about the fire situation and the evacuation port, which are not included in the displayed disaster prevention information, and may be performed via the display unit 63 or by voice through a speaker (not shown). It may be done. Further, the transmission by short-range wireless communication may be displayed or generated on the mobile terminal owned by the viewer, and the information acquired by the mobile terminal can be referred to even if the viewer moves.

3-8. Modification 8
The display device 6 according to the above embodiment is provided with a language information acquisition unit that acquires language information indicating the language used by the viewer from a mobile terminal used by the viewer, and is a display control unit of the display control server 7 or 7A. The 715 may display the disaster prevention information expressed in the language indicated by the language information acquired by the language information acquisition unit on the display device 6. Here, the language information acquisition unit is specifically a short-range wireless communication unit that performs communication using short-range wireless communication technology. Here, short-range communication technology includes Bluetooth (registered trademark), ZigBee (registered trademark), Wibree (registered trademark), UWB (Ultra Wide Band), NFC (Near Field Communication), and infrared communication. Is done. According to this modification, it is not always necessary to display the disaster prevention information in a foreign language on the display device 6. Similarly, the display device 6A or 6B according to the above modification is provided with a language information acquisition unit, and the display control unit 612A of the device is expressed in the language indicated by the language information acquired by the language information acquisition unit. The displayed disaster prevention information may be displayed on the display unit 63.

3-9. Modification 9
The evacuation route information may be included in the fire screen according to the above embodiment or modification. In that case, the storage unit 72 of the display control server 7 or 7A according to the above embodiment corresponds to the address of the display device 6 and stores a plurality of sets of the address of the fire detector 4 and the evacuation route information. The database (not shown) is stored in advance. Then, the information generation unit 713 or 713A of the server refers to the signal database 721 or 721A and the display device database 722 to specify the evacuation route information, and includes the information in the fire screen information. According to this modification, the evacuation route information to be displayed on the display device 6 can be changed according to the installation location (that is, the fire occurrence location) of the activated fire detector 4.

3-10. Modification 10
The non-fire alarm screen according to the above embodiment or modification may be a fire extinguishing screen indicating extinguishing a fire when it is displayed by a non-fire signal after displaying the fire screen.

1, 1A ... Disaster prevention system, 2 ... Automatic fire notification equipment, 3 ... Display system, 4 ... Fire detector, 5, 5A ... Fire receiver, 6, 6A, 6B ... Display device, 7, 7A ... Display control server, 8 ... communication line, 51 ... control unit, 52 ... storage unit, 53 ... display unit, 54 ... operation input unit, 55 ... first communication unit, 56 ... second communication unit, 61 ... control unit, 62, 62A ... storage Unit, 63 ... Display unit, 64 ... Communication unit, 71 ... Control unit, 72 ... Storage unit, 73 ... Communication unit, 511 ... First signal reception unit, 512 ... Fire determination unit, 513, 513A ... Signal transmission unit, 514 ... Delay instruction reception unit, 515 ... Stop instruction reception unit, 516 ... Resume instruction reception unit, 521 ... Sensor database, 611 ... Display instruction reception unit, 612, 612A ... Display control unit, 613, 613A ... Second signal reception unit , 614, 614A ... Information generation unit, 615 ... Display order specification unit, 616 ... Time measurement unit, 617 ... Time lapse determination unit, 618 ... Signal monitoring unit, 619 ... Predetermined time change unit, 711, 711A ... Second signal reception unit , 712, 712A ... Display destination specifying unit, 713, 713A ... Information generation unit, 714 ... Display order specifying unit, 715 ... Display control unit, 716 ... Measuring unit, 717 ... Time lapse determination unit, 718 ... Signal monitoring unit, 719 ... Predetermined time change unit, 721, 721A ... Signal database, 722 ... Display device database, 723 ... Interlocking database

Claims (1)

Upon receiving the fire information signal notifying the confirmation of the fire, the electronic signage associated with the fire detecting means for detecting the fire is identified, and the screen notifying the confirmation of the fire and the fire detecting means of the electronic signage are displayed. A display control device that alternately displays a map screen that indicates a location and indicates the location of the digital signage as the current position of a viewer of the digital signage.

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