Fire monitoring system

Abstract

To support determination when selecting a section of a water discharge object on the basis of an image of a monitoring camera.SOLUTION: A fire monitoring system includes a plurality of fire detectors each of which is installed in each section of a tunnel, a plurality of monitoring cameras each of which is installed in each section group including a plurality of sections, a plurality of light emitting elements each of which is installed in each section or each section group, a display unit that displays each image captured by the plurality of monitoring cameras on one or more monitors, a first specifying unit that specifies, when a fire is detected by any one of the plurality of fire detectors, a light emitting mode corresponding to a section where the fire is detected, and one or more light emitting elements associated with the section where the fire is detected among the plurality of light emitting elements. The monitoring system includes a second specifying means for specifying one or more light emitting elements whose installation sections are monitoring objects of the same monitoring camera, and a control means for making the one or more light emitting elements specified by the second specifying means emit light in a light emission mode specified by the first specifying means.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to a fire monitoring system. [Background technology]

[0002] Disaster prevention systems for monitoring fires in tunnels are known. For example, the tunnel disaster prevention system described in Patent Document 1 comprises disaster prevention terminal devices, such as water spray fire extinguishing devices and fire detectors, installed in each of the multiple compartments along the tunnel's length, and a disaster prevention panel that exchanges control information with these disaster prevention terminal devices. When the disaster prevention panel of this system receives a fire signal from a fire detector and is in automatic water discharge mode, it controls the automatic water spray valve in the compartment where the fire detector that detected the fire is located, discharging water from the multiple water spray heads in that compartment. On the other hand, when the disaster prevention panel is in manual water discharge mode, it controls the automatic water spray valve in response to the observer's operation to discharge water. In this case, the tunnel disaster prevention system is equipped with an ITV camera, and the observer operates the system while viewing the video from the ITV camera. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 10-061400 Summary of the Invention [Problem to be solved by the invention]

[0004] When the manual water spraying mode is selected in the above system, the monitor must select the section to spray water on while watching the ITV camera footage. In this case, if a fire occurs at the border of sections, it can be difficult to determine which section the fire is in. Also, because it is an emergency, the monitor may not be able to calmly judge the section and may not be able to reliably select the appropriate section to spray water on. The present invention has been made in consideration of such circumstances, and aims to assist in making decisions when selecting a section to spray water on based on images from a surveillance camera. [Means for solving the problem]

[0005] In order to solve the above problems, the fire monitoring system of the present invention comprises a plurality of fire detectors installed in each section of a tunnel, a plurality of surveillance cameras installed in each section group consisting of a plurality of the sections, a plurality of light-emitting elements installed in each section or each section group, a display means for displaying each image captured by the plurality of surveillance cameras on one or more monitors, a first identification means for, when a fire is detected by any of the plurality of fire detectors, identifying an illumination pattern corresponding to the section in which the fire was detected, a second identification means for identifying, among the plurality of light-emitting elements, one or more light-emitting elements associated with the section in which the fire was detected and whose installation section is monitored by the same surveillance camera, and a control means for causing the one or more light-emitting elements identified by the second identification means to emit light in the illumination pattern identified by the first identification means. [Effects of the Invention]

[0006] According to the present invention, it is possible to assist in making a decision when selecting a section to spray water on based on images from a surveillance camera. [Brief explanation of the drawings]

[0007] [Figure 1] FIG. 1 illustrates an example of a fire monitoring system 100 . [Figure 2] FIG. 2 shows an example of the configuration of the disaster prevention receiving panel 102. [Figure 3] FIG. 3 shows an example of the configuration of the lighting control panel 118. [Figure 4] FIG. 4 shows an example of the emitted light color information 400. [Figure 5] FIG. 5 shows an example of the control target information 500. [Figure 6] FIG. 6 is a sequence diagram showing an example of a fire extinguishing operation. [Figure 7] FIG. 7 shows an example of the light emitted by the indicator 332. [Figure 8] FIG. 8 shows an example of a camera image displayed on the CCTV operation terminal 108. [Figure 9] FIG. 9 shows an example of the correspondence table 901. DETAILED DESCRIPTION OF THE INVENTION

[0008] 1. Example An embodiment of the present invention will be described with reference to the drawings. Overview In the past, when multiple detectors were activated in the event of a vehicle fire, the area where the fire occurred and the area where automatic water spraying was performed could differ. Also, when manually spraying water, checking CCTV footage could result in selecting an area to spray water that is different from the area where the fire occurred and spraying water.

[0009] Whether set to automatic or manual, conventionally, the source of the fire is confirmed on a CCTV screen, and then water is sprayed over a maximum of two sections depending on the scale of the fire. However, with traffic monitors, for example, four sections are displayed on one screen, making it difficult for the operator to determine whether the section being sprayed is in front of or behind the dividing line, resulting in water being sprayed on the wrong section.

[0010] Therefore, in this embodiment, the fire detection zones and tunnel lighting fixtures are linked in advance. The first fire zone signal is then sent from the disaster prevention receiving panel to the lighting control panel, which lights up the indicators built into the corresponding lighting fixtures. The operator can check the linked display color on the monitor via the CCTV camera and manually control the water discharge or change the zone being water discharged.

[0011] For linking, the fire source compartment and indicator color are decided in advance. For example, the indicator colors for compartments 17, 18, 19, and 20 are red, blue, green, and yellow, respectively. The allocation method is not one-to-one linking, but is linked to the four compartments within the range monitored by the camera, and the indicators in the lighting fixtures for all four compartments are notified in the same color.

[0012] 1-2.Configuration 1-2-1. Fire Monitoring System 100 FIG. 1 shows an example of a fire monitoring system for a tunnel according to this embodiment. The fire monitoring system 100 shown in the figure includes multiple fire detectors 101, a disaster prevention receiving panel 102, multiple automatic valve devices 103, a pump control panel 104, multiple signal converters 105, remote monitoring and control equipment 106, multiple CCTV cameras 107, a CCTV operation terminal 108, multiple lighting fixtures 117, and a lighting control panel 118.

[0013] Of these, multiple fire detectors 101 are installed in each detection zone set up inside the tunnel 115 along the direction of vehicle travel. Each fire detector 101 is a twin-lens type flame detector, and is equipped with a right flame detection section that monitors the detection zone on the right side as seen from the device, and a left flame detection section that monitors the detection zone on the left side. Each fire detector 101 is installed near the boundary of the detection zone, and monitors two detection zones simultaneously. Therefore, one detection zone is monitored by two fire detectors 101 in a redundant manner.

[0014] Each fire detector 101 is connected to a disaster prevention receiving panel 102 via a line, and when it detects a fire, it outputs a fire signal to the disaster prevention receiving panel 102. At that time, the output fire signal contains the terminal address of the fire detector 101 and information identifying the detection direction.

[0015] Disaster prevention receiving panel 102 is installed in electrical room 112 near the entrance of tunnel 115. Disaster prevention receiving panel 102 is connected to fire detector 101, signal converter 105, and pump control panel 104 via lines. In the case of automatic water discharge, when disaster prevention receiving panel 102 receives a fire signal from fire detector 101, it controls pump control panel 104 to start fire pump 113. Disaster prevention receiving panel 102 also identifies a water discharge compartment corresponding to the fire compartment where the fire has been identified, and controls signal converter 105 of the identified water discharge compartment to open the automatic valve. As a result, water is discharged in the identified water discharge compartment.

[0016] In addition, the process from fire detection to identification of the fire compartment and selection of the water discharge compartment can be automated, with the opening of the automatic valve being done manually by a supervisor.In addition, the process from fire detection to identification of the fire compartment can be automated, with the selection of the water discharge compartment and opening of the automatic valve being done manually by a supervisor.

[0017] In addition, to prevent accidental water discharge when there is no fire, the automatic valve opening control can be locked, whether automatic or manual, and this lock can be released manually or after a predetermined time (e.g., 3 minutes) has passed since the fire signal was received, before the automatic valve opening control can be accepted.

[0018] The disaster prevention receiving panel 102 is also connected to the remote monitoring and control equipment 106 via a wired or wireless communication network. The disaster prevention receiving panel 102 receives control signals output from the remote monitoring and control equipment 106 and controls the pump control panel 104 and the automatic valve device 103. This allows a supervisor operating the remote monitoring and control equipment 106 to manually control the water discharge. The disaster prevention receiving panel 102 also receives control signals output from the remote monitoring and control equipment 106 and controls the lighting control panel 118. These operations can be directly input to the disaster prevention receiving panel 102 from an operation unit 207, which will be described later.

[0019] The disaster prevention receiving panel 102 is also connected to the lighting control panel 118 via a line. When the disaster prevention receiving panel 102 receives a fire signal from the fire detector 101, it outputs a signal indicating the detection zone of the detector to the lighting control panel 118. This causes the indicator 332 corresponding to the fire zone to emit light. The output to the lighting control panel 118 may be made via the remote monitoring and control equipment 106.

[0020] Multiple automatic valve devices 103 are installed in each water discharge compartment set up inside the tunnel 115 along the direction of vehicle travel. As described above, the water discharge compartments are set up to correspond to fire compartments, and the water discharge compartments are set up to encompass the corresponding fire compartments. Each automatic valve device 103 has its primary side connected to a water supply pipe 109 and its secondary side connected to a water spray pipe 110. Multiple water spray heads 111 are connected to the other end of the water spray pipe 110. The multiple water spray heads 111 are installed above the side walls of the tunnel at intervals of, for example, 5 m.

[0021] Each automatic valve device 103 is connected via a line to a corresponding signal converter 105. Each automatic valve device 103 opens and closes an automatic valve upon receiving a control signal output from the corresponding signal converter 105. When the automatic valve is opened, fire extinguishing water is supplied from the water supply pipe 109 to the water spray pipe 110.

[0022] The pump control panel 104 is installed in the electrical room 112. The pump control panel 104 is connected to the disaster prevention receiving panel 102 via a line. The pump control panel 104 starts or stops the fire pump 113 in response to a control signal output from the disaster prevention receiving panel 102. When the fire pump 113 starts, it pressurizes and sends fire water stored in the water tank 114 to the water supply pipe 109.

[0023] A plurality of signal converters 105 are installed in each water discharge section inside the tunnel 115. Each signal converter 105 is connected via a line to the disaster prevention receiving panel 102 and the corresponding automatic valve device 103. Each signal converter 105 receives a control signal output from the disaster prevention receiving panel 102 and opens or closes the automatic valve of the corresponding automatic valve device 103.

[0024] The remote monitoring and control equipment 106 is installed in a tunnel control room 116 located at a location away from the tunnel 115. The remote monitoring and control equipment 106 is connected to the disaster prevention receiving panel 102 via a wired or wireless communication network, and transmits and receives signals to and from the disaster prevention receiving panel 102. As an example, the remote monitoring and control equipment 106 outputs a signal to the disaster prevention receiving panel 102 to control the fire pump 113 or the automatic valve device 103 in response to an operation by a monitor.

[0025] The remote monitoring and control equipment 106 is also connected to a lighting control panel 118 via a wired or wireless communication network, and transmits and receives signals to and from the lighting control panel 118. As an example, the remote monitoring and control equipment 106 receives an operation from a monitor and outputs a signal to the lighting control panel 118 to control the lighting or dimming of the lighting fixtures 117.

[0026] The multiple CCTV cameras 107 are surveillance cameras installed inside the tunnel 115 along the direction of vehicle travel. Each CCTV camera 107 is installed, for example, for each of four detection zone groups. In this case, the first CCTV camera 107 is installed so as to monitor zones 1 to 4, and the second CCTV camera 107 is installed so as to monitor zones 5 to 8.

[0027] Each CCTV camera 107 is connected to a CCTV operation terminal 108 via a wired or wireless communication network, and outputs a video signal to the CCTV operation terminal 108 .

[0028] The CCTV operation terminal 108 is installed in the tunnel control room 116. The CCTV operation terminal 108 has one or more displays (in other words, monitors) and display means. Of these, the display means is a function realized by a processor executing a program stored in memory. This display means displays camera images taken by each CCTV camera 107 on the display. By looking at this camera image, a monitor can visually confirm the situation inside the tunnel 115. Therefore, if a fire breaks out in the tunnel 115, the monitor can confirm the status of the fire through the camera image. In this case, the monitor can determine the water spray area to be targeted based on the camera image, and operate the remote monitoring and control equipment 106 to spray water on that area. The CCTV operation terminal 108 may be installed in the electrical room 112 and may display the camera image on a display means installed in the tunnel control room 116 via the remote monitoring and control equipment 106 .

[0029] FIG. 8 shows an example of a camera image displayed on the CCTV operation terminal 108. Camera image 801 shown in the figure captures sections 21 to 24. Camera image 802 captures sections 17 to 20. Camera image 803 captures sections 13 to 16. Camera image 804 captures one entrance of tunnel 115. A zone number 805 of the detection zone and a boundary line 806 are displayed superimposed on the camera images 801 to 803. Note that the boundary line 806 may be omitted. The camera images 801 to 804 may be displayed in a row of four at the same time, or may be displayed one by one.

[0030] A plurality of lighting fixtures 117 are installed in the tunnel 115 along the direction of vehicle travel. One or more lighting fixtures 117 are installed for each detection section in the tunnel 115. As a modified example, one or more lighting fixtures 117 may be installed for each of a plurality of detection zone groups. For example, similar to the CCTV cameras 107, one lighting fixture 117 may be installed for each of four detection zone groups.

[0031] Each lighting fixture 117 is equipped with an illumination lamp 331 and an indicator lamp 332 (hereinafter simply referred to as "indicator 332") (see FIG. 3). The illumination lamp 331 is, for example, a sodium lamp or an LED lamp, and is used to illuminate and brighten the inside of the tunnel 115. On the other hand, the indicator 332 is an RGB LED. An RGB LED is a light-emitting element equipped with LEDs of three colors, red, green, and blue, and the emitted color changes by changing the voltage applied to each LED.

[0032] The indicator 332 is built into the lighting fixture 117, in other words, attached to the lighting fixture 117. The indicator 332 is used to notify the detection zone of the first report. Each lighting fixture 117 is connected to a lighting control panel 118 via a line.

[0033] The lighting control panel 118 is installed in the electrical room 112. The lighting control panel 118 is connected to the lighting fixtures 117 via a line, and controls the lighting and dimming of the lighting lamps 331 and indicators 332 of the lighting fixtures 117.

[0034] The lighting control panel 118 is also connected to the remote monitoring and control equipment 106 via a wired or wireless communication network. The lighting control panel 118 receives control signals output from the remote monitoring and control equipment 106 and controls the lighting or dimming of the lighting fixtures 117. Furthermore, when the lighting control panel 118 receives a signal indicating the building angle from the disaster prevention receiving panel 102, it displays the indicator 332 of the corresponding section in a corresponding light emitting mode.

[0035] 1-2-2. Disaster prevention receiving panel 102 Next, the disaster prevention receiving panel 102 will be described in more detail with reference to Fig. 2. Fig. 2 shows an example of the configuration of the disaster prevention receiving panel 102. The disaster prevention receiving panel 102 includes a main storage device 201 such as a RAM, an auxiliary storage device 202 such as a HDD, a processor 203 such as a CPU, an input / output interface 204, and a communication interface 205 such as a network card.

[0036] The disaster prevention receiving panel 102 also includes a display 206, an operation unit 207, and a speaker 208. These devices are each connected to the input / output interface 204.

[0037] Various programs are stored in the main memory device 201. Furthermore, various functions are realized by the processor 203 executing these programs. The realized functions include a fire compartment identification unit 211, a water discharge compartment identification unit 212, a pump control unit 213, an automatic valve control unit 214, and a reporting unit 215. Each function will be described below.

[0038] The fire compartment identification unit 211 receives a fire signal output from the fire detector 101 and identifies the detection compartment in which the detector is installed. At that time, the fire compartment identification unit 211 identifies the detection compartment by referring to the terminal device information 221 described later.

[0039] The fire compartment identification unit 211 identifies a detection compartment every time a fire signal is received, and if the number of identified detection compartments is equal to or less than a predetermined number, determines the identified detection compartment as a fire compartment. On the other hand, if the number of identified detection compartments exceeds the predetermined number, the fire compartment identification unit 211 identifies a fire compartment from the identified detection compartments based on a predetermined rule.

[0040] The predetermined number is determined based on the number of water discharge sections that can be simultaneously discharged. The predetermined rule takes into consideration conditions such as wind direction, on-coming traffic, and one-way traffic. For example, when four detection compartments are identified, the fire compartment identifying unit 211 may identify the two middle compartments as the fire compartments.

[0041] The water discharge compartment identification unit 212 identifies a water discharge compartment corresponding to the fire compartment identified by the fire compartment identification unit 211. At this time, the water discharge compartment identification unit 212 identifies the water discharge compartment by referring to water discharge pattern information 222, which will be described later.

[0042] Pump control unit 213 outputs a control signal to pump control panel 104. Specifically, pump control unit 213 receives a fire signal output from fire detector 101 and outputs a start signal to pump control panel 104. Pump control panel 104 starts fire pump 113 upon receiving this start signal.

[0043] The pump control unit 213 outputs a start signal to the pump control panel 104 when a start operation is performed on the operation unit 207 or when a start signal is received from the remote monitoring and control equipment 106 .

[0044] Furthermore, pump control unit 213 outputs a stop signal to pump control panel 104 when a stop operation is performed on operation unit 207, or when a recovery signal or a stop signal is received from remote monitoring and control equipment 106. Pump control panel 104 receives this stop signal and stops fire pump 113. Note that a stop signal may not be output in response to a recovery signal during manual operation.

[0045] The automatic valve control unit 214 outputs a control signal for the automatic valve device 103 to the signal converter 105. Specifically, the automatic valve control unit 214 receives a fire signal output from the fire detector 101 and outputs an open control signal for the automatic valve device 103 to the signal converter 105 of the water discharge compartment identified by the water discharge compartment identification unit 212. The signal converter 105 receives this open control signal and opens the automatic valve of the corresponding automatic valve device 103.

[0046] In addition, the automatic valve control unit 214 outputs an open control signal for the automatic valve device 103 to the designated signal converter 105 when an open control operation is performed on the operation unit 207 or when an open control signal is received from the remote monitoring and control equipment 106.

[0047] Furthermore, when a close control operation is performed on the operation unit 207, or when a recovery signal or a close control signal is received from the remote monitoring and control equipment 106, the automatic valve control unit 214 outputs a close control signal for the automatic valve device 103 to the designated signal converter 105. Upon receiving this close control signal, the signal converter 105 closes the automatic valve of the corresponding automatic valve device 103. The closing control signal may not be output in response to a restoration signal during manual operation.

[0048] The reporting unit 215 outputs a signal indicating the detection section of the first report identified by the fire section identification unit 211 to the lighting control panel 118. In addition, the reporting unit 215 outputs the fire section and the water spray section identified by the fire section identification unit 211 and the water spray section identification unit 212 to the remote monitoring and control equipment 106.

[0049] Next, the auxiliary storage device 202 will be described. The auxiliary storage device 202 stores terminal device information 221 and water discharge pattern information 222. Of these, the terminal device information 221 is information that indicates the installation areas of the fire detector 101 and the automatic valve device 103. For the fire detector 101, this information indicates the detection area for each of the left and right detection units, and for the automatic valve device 103, it indicates the water discharge area. This information is set by the user of the disaster prevention receiving panel 102.

[0050] The fire compartment identification unit 211, described above, refers to this terminal device information 221 to identify the compartment in which the fire detector 101 is installed. Furthermore, the water discharge compartment identification unit 212, described above, refers to this terminal device information 221 to identify the compartment in which the automatic valve device 103 is installed.

[0051] On the other hand, the water discharge pattern information 222 is information indicating the correspondence between the fire compartment and the water discharge compartment. This water discharge pattern information 222 is set by the user of the disaster prevention receiving panel 102. The water discharge compartment identification unit 212 refers to this water discharge pattern information 222 and identifies the water discharge compartment that corresponds to the fire compartment derived from the detection compartment where the fire was detected.

[0052] 1-2-3. Lighting control panel 118 Next, the lighting control panel 118 will be described in more detail with reference to Fig. 3. Fig. 3 shows an example of the configuration of the lighting control panel 118. The lighting control panel 118 includes a main storage device 301 such as a RAM, an auxiliary storage device 302 such as a HDD, a processor 303 such as a CPU, an input / output interface 304, and a communication interface 305 such as a network card.

[0053] The lighting control panel 118 also includes a display 306, an operation unit 307, and a speaker 308. These devices are each connected to the input / output interface 304.

[0054] Various programs are stored in the main memory device 301. Furthermore, various functions are realized by the processor 303 executing these programs. The realized functions include a lighting control unit 311, a light emission color specifying unit 312, a control target specifying unit 313, and an indicator control unit 314. Each function will be described below.

[0055] The lighting control unit 311 controls the lighting and dimming of the lighting lamp 331 of each lighting fixture 117 according to the installation section.

[0056] When a fire is detected by any one of the plurality of fire detectors 101, the light emission color identification unit 312 identifies the light emission pattern corresponding to the compartment in which the fire has been detected. In this case, the light emission color identification unit 312 first identifies the fire compartment notified by the disaster prevention receiving panel 102. Then, the light emission color identification unit 312 refers to the light emission color information 400 (described later) to identify the light emission color of the indicator 332 corresponding to the identified fire compartment.

[0057] The control target identification unit 313 identifies one or more lighting fixtures 117 that correspond to the compartment in which the fire has been detected, from among the multiple lighting fixtures 117. In this case, the control target identification unit 313 first identifies the fire compartment notified by the disaster prevention receiving panel 102. Then, the control target identification unit 313 refers to the control target information 500 (described later) to identify the lighting fixtures 117 that are to emit light to the indicators 332 and that correspond to the identified fire compartment. The identified lighting fixtures 117 are lighting fixtures 117 whose installation compartments are monitored by the same CCTV camera 107, and are all lighting fixtures 117 installed in the compartments monitored by that camera.

[0058] The indicator control unit 314 causes the indicator 332 of the lighting device 117 identified by the control target identification unit 313 to emit light in the light emission mode identified by the light emission color identification unit 312. The light emission mode here specifically refers to the light emission color.

[0059] Next, the auxiliary storage device 302 will be described. The auxiliary storage device 302 stores emitted light color information 400 and controlled object information 500. Of these, the emitted light color information 400 is information that indicates the emitted light color corresponding to each detection zone. Figure 4 shows an example of the emitted light color information 400. This information is set by the user of the lighting control panel 118.

[0060] In the emission color information 400 shown in the figure, each detection zone is assigned one of red, blue, green, and yellow. In this information, different emission colors are assigned to detection zones that are monitored by the same CCTV camera 107. For example, the first to fourth zones are monitored by the same CCTV camera 107, and different emission colors are assigned to each zone. The above-mentioned luminous color identification unit 312 refers to this luminous color information 400 to identify the luminous color corresponding to the fire compartment.

[0061] On the other hand, the control target information 500 is information that indicates the lighting fixtures 117 that correspond to each detection zone. Fig. 5 shows an example of the control target information 500. This information is set by the user of the lighting control panel 118.

[0062] In the control target information 500 shown in the figure, each detection zone is associated with a lighting fixture 117 that will light up indicator 332 when a fire is detected in that detection zone. In this information, each detection zone is associated not only with the lighting fixtures 117 installed in that detection zone, but also with the lighting fixtures 117 in detection zones whose monitoring ranges overlap with that of the detection zone. Note that the monitoring range referred to here is the monitoring range of CCTV camera 107.

[0063] The control target identification unit 313 identifies the lighting fixtures 117 by referring to this control target information 500. For example, if the fire compartment is the 17th compartment, the control target identification unit 313 identifies not only the lighting fixture 117 in the 18th compartment, but also the lighting fixtures 117 in the 18th to 20th compartments as lighting fixtures to be controlled.

[0064] 1-3.Operation Next, the fire extinguishing operation of the fire monitoring system 100 will be described with reference to Fig. 6. Fig. 6 is a sequence diagram showing an example of the fire extinguishing operation.

[0065] First, when a vehicle fire breaks out inside tunnel 115 and fire detector 101 detects the fire (step 601), the detector outputs a fire signal to disaster prevention receiving panel 102 (step 602). Pump control unit 213 of disaster prevention receiving panel 102 receives the fire signal and outputs an activation signal to pump control panel 104 (step 603). Pump control panel 104 receives the activation signal and activates fire pump 113 (step 604). When fire pump 113 is activated, it pressurizes and feeds fire water stored in water tank 114 to supply to water supply pipe 109.

[0066] Furthermore, the fire compartment identification unit 211 of the disaster prevention receiving panel 102 receives the fire signal and identifies the detection compartment in which the fire has been detected. At this time, the fire compartment identification unit 211 identifies the detection compartment by referring to the terminal device information 221.

[0067] The fire compartment identification unit 211 identifies a detection compartment every time a fire signal is received, and if the number of identified detection compartments is equal to or less than a predetermined number, determines the identified detection compartments as fire compartments (step 605). On the other hand, if the number of identified detection compartments exceeds the predetermined number, the fire compartment identification unit 211 identifies a fire compartment from the identified detection compartments based on a predetermined rule (step 605).

[0068] Next, the water discharge compartment identification unit 212 refers to the water discharge pattern information 222 and identifies a water discharge compartment that corresponds to the identified fire compartment (step 606). Next, the automatic valve control unit 214 of the disaster prevention receiving panel 102 outputs an open control signal for the automatic valve device 103 to the signal converter 105 of the water discharge compartment identified by the water discharge compartment identification unit 212 (step 607). Upon receiving this open control signal, the signal converter 105 opens the automatic valve of the corresponding automatic valve device 103 (step 608). As a result, water is discharged from the water spray head 111 installed in the identified water discharge compartment.

[0069] Furthermore, the reporting unit 215 of the disaster prevention receiving panel 102 outputs a signal indicating the detection zone of the first report identified in step 605 to the lighting control panel 118 (step 609). The luminous color identifying unit 312 of the lighting control panel 118 receives this detection zone signal and identifies the luminous color corresponding to the detection zone of the first report (step 610). At that time, the luminous color identifying unit 312 identifies the luminous color by referring to the luminous color information 400.

[0070] Next, the control target identification unit 313 identifies the lighting fixture 117 corresponding to the fire compartment by referring to the control target information 500 (step 611). Then, the indicator control unit 314 causes the indicator 332 of the identified lighting fixture 117 to emit light in the emission color identified in step 610 (step 612).

[0071] 7 shows an example of the illumination of the indicator 332. In the example shown in the figure, the 17th to 20th sections are monitored by the same CCTV camera 107. Furthermore, the 17th to 20th sections are assigned the illumination colors red, blue, green, and yellow.

[0072] 7(a) shows an example of illumination when compartment 17 is the fire compartment of the first report. In the example shown in the figure, only the indicators 332 of compartments 17 to 20 are illuminated. The illumination color of all indicators 332 is red, which is assigned to compartment 17.

[0073] 7(b) shows an example of illumination when compartment 18 is the fire compartment of the first report. In the example shown in the figure, only the indicators 332 of compartments 17 to 20 are illuminated. The illumination color of all indicators 332 is blue, which is assigned to compartment 18.

[0074] 7(c) shows an example of illumination when compartment 19 is the fire compartment of the first report. In the example shown in the figure, only the indicators 332 of compartments 17 to 20 are illuminated. The illumination color of all indicators 332 is green, which is assigned to compartment 19.

[0075] Fig. 7(d) shows an example of illumination when compartment 20 is the fire compartment of the first report. In the example shown in the figure, only the indicators 332 of compartments 17 to 20 are illuminated. The illumination color of all indicators 332 is yellow, which is assigned to compartment 20.

[0076] The monitor operating the remote monitoring control equipment 106 checks the camera image to see the lights of the indicators 332. Since the 17th to 20th sections are monitored by the same CCTV camera 107, the lights of all the indicators 332 can be seen in one camera image.

[0077] The observer, who has confirmed the illumination of indicator 332, refers to a correspondence table between detected sections and luminous colors. The correspondence table to be referred to is, for example, a paper representation of luminous color information 400. By referring to this correspondence table, the observer can identify the detected section of the first report based on the luminous color. For example, if the observer confirms red illumination in the camera image showing sections 18 to 21, the observer will recognize that section 18 is the fire section of the first report.

[0078] If the monitor confirms that the fire compartment in the first report is not included in the targets for water spraying, he or she can manually operate the remote monitoring and control equipment 106 to designate the fire compartment in the first report as a target for water spraying.

[0079] Returning to the explanation of the fire extinguishing operation 600. After execution of step 612, when a fire signal output from another fire detector 101 is received by the disaster prevention receiving panel 102, steps 605 to 608 are executed for that fire signal. Steps 605 to 608 are executed every time the disaster prevention receiving panel 102 receives a fire signal from a new fire detector 101. This concludes the description of the fire extinguishing operation 600.

[0080] When the fire is extinguished after the execution of the fire extinguishing operation 600 described above, the supervisor in the tunnel control room 116 manually performs recovery operations. Specifically, the supervisor operates the remote monitoring and control equipment 106 to stop the fire pump 113, close the automatic valve device 103, and stop the illumination of the indicator 332.

[0081] 2. Variations The above embodiment may be modified as follows: The following modifications may be combined with each other. (1) Indicator In the above embodiment, an RGB LED is used as the indicator 332. However, the RGB LED is merely one example of a light-emitting element that can be used as the indicator 332. As another light-emitting element, for example, a colored fluorescent lamp may be used. In this case, the indicator 332 is composed of multiple fluorescent lamps of red, blue, green, and yellow, and the fluorescent lamps are used according to the fire compartment.

[0082] (2) Indicator (Part 2) In the above embodiment, the illumination lamp 331 and the indicator 332 are provided separately. Instead of this configuration, the illumination lamp 331 may also serve as an indicator. In this case, for example, an RGB LED is used as the illumination lamp 331. The illumination lamp 331, which is an RGB LED, is used for illumination in normal times and as an indicator in the event of a fire.

[0083] (3) Number of plots In the above embodiment, a CCTV camera 107 is installed every four sections. However, four sections is merely an example, and each CCTV camera 107 may be installed to monitor three or fewer or five or more detection sections. Furthermore, even when a CCTV camera 107 is installed every four detection sections, a different number of detection sections may be mixed, such as reducing some sections to three sections due to road curves or the like.

[0084] Note that when the number of zones to be monitored is changed, the luminous color information 400 must also be changed. Specifically, the luminous color information 400 must be changed so that different luminous colors are assigned to the detection zones monitored by the same CCTV camera 107. In addition, the control target information 500 must also be changed. Specifically, the control target information 500 must be changed so that, for each detection zone, not only the lighting fixtures 117 installed in that detection zone but also the lighting fixtures 117 in detection zones whose monitoring ranges overlap with those of the detection zone are associated.

[0085] (4) Light emission mode In the above embodiment, the fire compartment of the first report is indicated by the luminous color of the indicator 332. However, the luminous color is merely one example of a light emitting mode for indicating the fire compartment. As another light emitting mode, for example, blinking may be used. Specifically, the fire compartment of the first report may be indicated by changing the blinking interval of the indicator 332. As another example, the fire compartment of the first report may be indicated by the number of luminous indicators 332.

[0086] (5) Number of indicators to be illuminated In the above embodiment, when the indicator 332 of a fire compartment is illuminated, the indicators 332 of detection compartments whose monitoring ranges overlap with that compartment are also illuminated. For example, in the example shown in FIG. 7(a), in addition to the indicator 332 of compartment 17, which is the fire source, the indicators 332 of compartments 18 to 20 are also illuminated. However, it is not necessarily necessary to illuminate all indicators 332 whose monitoring ranges overlap. Of the indicators 332 whose monitoring ranges overlap, only one or more indicators 332 that are closer to the CCTV camera 107 may be illuminated. In this way, the fire compartment can also be indicated by the illuminated color.

[0087] However, depending on how the smoke spreads, it may be difficult to see the light emitted by the indicators 332 on the near side, so it is better to light up all the indicators 332 whose monitoring ranges overlap.

[0088] (6) Indicator installation location In the above embodiment, the indicator 332 is built into the lighting fixture 117. However, this is not a requirement. Alternatively, the indicator 332 may be provided separately from the lighting fixture 117.

[0089] (7) Correspondence table In the above embodiment, a correspondence table between the detection zone and the luminous color is prepared in advance. By referring to this correspondence table, the observer can identify the detection zone of the first report based on the luminous color of the indicator 332.

[0090] Instead of printing this correspondence table on paper, it may be displayed on the display of the CCTV operation terminal 108. Fig. 9 shows an example of the correspondence table displayed on the display by the display means.

[0091] The correspondence table 901 shown in the figure is superimposed on the upper left of the camera image 802. This correspondence table 901 shows the correspondence between identification information (specifically, the section number) and light emission mode (specifically, the emitted color) for the 17th to 20th sections captured in the camera image 802. By referring to this correspondence table 901, the observer can know the emitted color corresponding to each detection section.

[0092] In another embodiment, the section number 805 (see FIG. 8) superimposed on the camera image may be displayed in the corresponding luminous color. For example, the section number 805 of the 17th section may be displayed in the luminous color "red" corresponding to that section. Even in this embodiment, the correspondence between the identification information and the luminous mode can be shown for each detection section.

[0093] (8)Functional layout In the above embodiment, the lighting control panel 118 includes the light emission color specifying unit 312, the control target specifying unit 313, and the indicator control unit 314. However, one or more of these functions may be provided in a separate device. For example, the light emission color specifying unit 312 may be provided in the disaster prevention receiving panel 102. The arrangement of the functions provided in the above-described embodiment may be changed as appropriate depending on the usage scene of the embodiment.

[0094] (9) Other variations The present invention is not limited to the above-described embodiments and includes various modifications. For example, the above-described embodiments have been described in detail to clearly explain the present invention, and the present invention is not necessarily limited to those including all of the described configurations. Furthermore, it is possible to replace part of the configuration of one embodiment with the configuration of another embodiment, or to add the configuration of another embodiment to the configuration of one embodiment. Furthermore, it is possible to add, delete, or replace part of the configuration of each embodiment with other configurations.

[0095] Furthermore, the above-described configurations, functions, processing units, processing means, etc. may be partially or entirely implemented in hardware, for example, by designing them as integrated circuits. The above-described configurations, functions, etc. may also be implemented in software, with a processor interpreting and executing a program that implements each function. Information such as the programs, tables, and files that implement each function can be stored in a memory, a recording device such as a hard disk or SSD (Solid State Drive), or a recording medium such as an IC card, SD card, or DVD.

[0096] In addition, the control lines and information lines shown are those that are considered necessary for the explanation, and do not necessarily show all the control lines and information lines in the product. In reality, it can be assumed that almost all components are interconnected. The above-described embodiments disclose at least the configurations described in the claims. [Explanation of symbols]

[0097] 100...Fire monitoring system, 109...Water supply pipe, 110...Water spray pipe, 111...Water spray head, 113...Fire pump, 114...Water tank, 801-804...Camera image, 805...Plot number, 806...Boundary line, 901...Correspondence table

Claims

1. Multiple fire detectors installed in each section of the tunnel, A plurality of surveillance cameras are installed in each of the compartment groups each consisting of a plurality of the compartments; a plurality of light-emitting elements respectively installed in each of the sections or each of the section groups; a display means for displaying images captured by the plurality of surveillance cameras on one or more monitors; a first identification means for identifying, when a fire is detected by any one of the plurality of fire detectors, a light emission pattern corresponding to the compartment in which the fire is detected; a second identification means for identifying one or more light-emitting elements among the plurality of light-emitting elements, the light-emitting elements being associated with the compartment in which the fire was detected, and the compartment in which the light-emitting elements are installed being monitored by the same monitoring camera; a control means for causing one or more light-emitting elements identified by the second identification means to emit light in the light-emitting mode identified by the first identification means; A fire monitoring system equipped with:

2. 2. The fire monitoring system according to claim 1, wherein the plurality of light emitting elements are attached to lighting fixtures, respectively.

3. 2. The fire monitoring system according to claim 1, wherein the one or more light-emitting elements are all light-emitting elements installed in the section that is the monitoring target of the same monitoring camera.

4. 2. The fire monitoring system according to claim 1, wherein said display means further displays on said one or more monitors a correspondence between said compartment identification information and said light emission mode.

5. 2. The fire monitoring system according to claim 1, wherein the light emission pattern is a light emission color.

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