JP6440219B2 - Tunnel fire notification equipment - Google Patents

Description

  The present invention relates to a tunnel fire notification facility for informing a passing vehicle of a fire in a tunnel and making an emergency stop.

  2. Description of the Related Art Conventionally, emergency facilities have been installed in tunnels for exclusive use of automobiles and the like in order to protect people and vehicles from fire accidents that occur in the tunnel. Such emergency equipment is equipped with fire detectors and emergency telephones for fire monitoring and reporting, and in heavy traffic tunnels, fire hydrants are used to extinguish the fire and prevent the spread of fire. A water spray facility is provided for spraying water from the water spray head for protecting the device and tunnel.

  Among emergency facilities, there are fire detectors that detect fires with sensors, and transmitters that are operated when a person detects a fire. When it is received by the receiving board, the fire indicator lights installed at predetermined intervals in the tunnel are blinked.

JP 2005-318972 A JP 2003-290379 A JP 2002-42296 A JP 2006-101928 A JP 2005-185614 A JP-A-2-110695 JP 2008-197926 A JP-A-57-157391 JP 2009-142419 A JP 2002-291918 A JP 2002-355324 A

  However, in the conventional tunnel fire notification equipment provided with a fire indicator light that flashes in the case of a fire in this way, has a fire occurred in the driver traveling in the tunnel even if the fire indicator light is flashing? Because it is difficult to judge whether or not the fire has occurred in the tunnel even if you notice a fire, there is a possibility of going to the fire site without stopping the vehicle, and braking suddenly by approaching the fire site too much Even if it is applied, it will enter as it is, causing secondary disasters such as rear-end collisions, and inhaling harmful gases such as NOx and SOx generated by fire during evacuation may cause health damage.

  In addition, there is a similar problem when water is discharged from the water spray head in association with a relatively long tunnel hand fire with a large amount of traffic where water spray equipment is installed.

  The present invention provides a tunnel fire notification facility that makes it possible to reliably inform a driver who is running water discharge from a water spray head due to a fire in a tunnel to prevent a secondary disaster and to evacuate safely. The purpose is to provide.

The present invention
Fire detectors arranged at predetermined intervals in the direction of travel in the tunnel,
A disaster prevention reception board to which a fire detector is connected;
A water spray head that discharges water in the event of a fire,
A smoke generator that operates at the time of water discharge prior to water discharge from the water spray head;
A control device for controlling the smoke generation operation of the smoke generation device and the water discharge operation of the water spray head;
A tunnel fire notification facility equipped with
When the disaster prevention receiving board receives a fire detection signal from the fire detector, it sends a section signal indicating the location of the fire to the control device,
When the control device receives the compartment signal, the control device causes water vapor to be ejected from the smoke producing device to the compartment including the fire occurrence place as a smoke generation operation, or to the compartment including the fire occurrence place and a plurality of compartments on the entry side before the compartment. Or water particles finer than the water spray head water discharge are ejected, and water discharge from the water spray head is performed after the smoke generation operation.
It is characterized by that.

Tunnel fire notification equipment is equipped with smoke generators in or near fire hydrant devices arranged at predetermined intervals in the traveling direction in the tunnel,
In the smoke generation operation, water vapor is ejected by the smoke generation device.

Or equipped with a smoke generator that mixes water and compressed gas with a water spray head
In the smoke generation operation, finer water particles are ejected by the smoke generation device than the water discharge of the water spray head.

  The control device operates by reducing the amount of smoke generated each time the smoke generating device installed in the plurality of sections is moved away from the fire occurrence location.

  According to the tunnel fire notification facility of the present invention, at the time of water discharge notification prior to water discharge from the water spray head, at least smoke emitted from a smoke generator installed in a section before the water spray section that discharges water from the water spray head, a flashlight (Flash lamp) and turning warning light (patlight (registered trademark)) operation, lighting equipment extinguishing or blinking, sound alarm from speakers, or sound notification sound by sending fire notification signal to ETC device mounted on vehicle By performing the output, it is possible to notify the driver of the traveling vehicle of water discharge in front of the water spray section and stop it before the water spray section, and reliably prevent problems of health damage during secondary disasters and evacuation. can do.

Explanatory drawing which showed embodiment of the tunnel fire notification facility by this invention notified by a smoke generator Explanatory drawing which showed other embodiment of the tunnel fire notification equipment by this invention notified by flashlight Explanatory drawing which showed other embodiment of the tunnel fire notification equipment by this invention notified using a lighting installation Explanatory drawing which showed other embodiment of the tunnel fire notification facility by this invention notified by an acoustic warning Explanatory drawing which showed other embodiment of the tunnel fire notification facility by this invention notified using an ETC system

  FIG. 1 is an explanatory view showing an embodiment of a tunnel fire notification facility according to the present invention for notifying a fire by a smoke generating device, and shows the tunnel as viewed in a plane cross section.

  In FIG. 1, the tunnel 10 shows the tunnel entrance 12 side, and fire hydrant devices 14 are installed on the tunnel wall surface along the traveling direction of the road passing through the tunnel 10 at regular intervals, for example, 50 m intervals. The fire hydrant device 14 houses a hose with a nozzle in the door, and in the event of a fire, opens the fire hydrant door, pulls out the hose with a nozzle, and discharges water by operating the fire hydrant valve opening lever. The nozzle-equipped hose from the fire hydrant device 14 can be pulled out so that the water can be discharged in a range of 25 m on the left and right in the tunnel traveling direction.

  The fire hydrant device 14 is provided with a transmitter that operates in the event of a fire and outputs a fire detection signal. A fire indicator lamp indicating the location of the transmitter is displayed near the transmitter, and a response display for the push button operation of the transmitter. A response indicator light is provided.

  Between the fire hydrant devices 14, fire detectors 16 are installed at intervals of 25 m. The fire detector 16 uses, for example, a flame sensor, detects a flame accompanying a fire of a vehicle or the like, and outputs a fire detection signal. The transmitter, the response indicator lamp, and the fire detector 16 provided in the fire hydrant device 14 are connected by signal lines to a disaster prevention receiving board 22 installed in a disaster prevention center or the like. The disaster prevention receiving board 22 issues a fire alarm when receiving a fire detection signal from a transmitter provided in the fire hydrant device 14 or a fire detection signal from the fire detector 16.

  In the present embodiment, in addition to the emergency equipment including the fire hydrant device 14, the fire detector 16, and the disaster prevention receiver 22, for example, a smoke generator 18 is provided in the vicinity of the fire hydrant device 14 or in the fire hydrant device 14. Yes. For example, the smoke generating device 18 includes an ignition device such as a smoke generating material and a heater, and the ignition device is connected to the control device 20 by a signal line.

  When the fire detection signal is received by the disaster prevention receiving board 22, the control device 20 receives the fire transfer signal and the compartment signal indicating the location of the fire occurrence, and is installed in the compartment including the fire occurrence location and the front compartment thereof. By sending an ignition signal to the smoke generating device 18 and igniting the smoke generating material, smoke for notifying the occurrence of fire is ejected to the traveling section in the tunnel 10.

  The sections in the traveling direction in the tunnel 10 are divided into sections L1, L2, L3, L4,... Each having a length of 25 m centering on the fire hydrant device 14, for example. For this reason, for example, if a fire has occurred in the section L4 due to a vehicle accident or the like, a fire is detected by the fire detector 16 installed in the vicinity thereof, or the driver or the like is provided in the nearby fire hydrant device 14 By operating the machine, a fire detection signal is sent to the disaster prevention receiving board 22, and when the disaster prevention receiving board 22 receives a fire detection signal from the fire detector 16 or the transmitter, a fire alarm is given to the control device 20. On the other hand, a fire signal and a section signal indicating the location of the fire are output.

  In response to this, the control device 20 outputs an ignition signal to the smoke generator 18 installed in the section L4 including the fire occurrence location and the smoke generator 18 installed in the sections L2 and L3 in front of it. The smoke generating material provided at 18 is ignited, and smoke 18 a for notifying the fire is ejected into the tunnel 10.

  Due to the smoke generated by the operation of the smoke generator 18, the driver of the vehicle entering the fire occurrence site from the tunnel entrance 12 notices the smoke from the smoke generator 18 in the section before the fire occurrence site and applies a brake. It is possible to stop and evacuate without fail before entering the fire site.

  As the smoke generator 18 used in the embodiment of FIG. 1, the amount of smoke may be changed according to the distance of the installation location of the smoke generator relative to the fire site. For example, the smoke generating device 18 is provided with a plurality of smoke generating materials. For the smoke generating device 18 in the section L2 far from the fire site, for example, a single smoke generating material is ignited to reduce the amount of smoke, and for the section L3 approaching the fire site. For example, three smoke generating materials are ignited simultaneously to increase the amount of smoke generated, and for the smoke generating device 18 in the section L4 of the fire occurrence site, all the smoke generating materials are ignited to obtain the maximum amount of smoke. I do.

  In addition, as a section for operating the smoke generating device 18 in front of the fire occurrence site, the smoke generation from the smoke generation device 18 in the zone separated by the braking stop distance by the predetermined maximum speed defined for the tunnel 10 to the zone including the fire occurrence site. The device 18 may be ignited and smoked. As a result, when the smoke generation from the smoke generation device 18 is first noticed and sudden braking is applied, it is possible to reliably stop the vehicle immediately before the fire occurrence site.

  In order to ensure the visibility of drivers and evacuees, it is not necessary to continuously emit smoke for fire notifications, it may be smoked for a predetermined time to ensure the visibility, or it may be smoked intermittently . Smoke detectors that can measure the smoke density of each compartment are provided for each compartment, smoke is emitted so as not to exceed the smoke concentration, and smoke concentration is monitored and smoke is blown out and stopped so that visibility can be secured. Also good.

  If there is a risk of obscuring the view together with smoke from the fire due to smoking in the fire-breaking area, the fire-breaking area is not notified by smoke, and the area before the fire-breaking area The smoke may be emitted only to the driver to inform the driver of the fire heading to the fire occurrence section.

  By coloring the fuming smoke or illuminating the white smoke, it is distinguished from the color of the smoke generated at the time of the fire, and the driver mistakenly recognizes it as actual fire smoke and reacts excessively Then, it is possible to prevent the occurrence of a secondary disaster.

  The smoke generating device may be switched from the head of a water spray facility that discharges water for extinguishing in the event of a real fire.

  In the embodiment of FIG. 1, a smoke generating device that emits smoke is provided. However, the present invention is not limited to this. May be. The configuration may be such that the discharge is eliminated and a field of view is secured after a predetermined time has elapsed since the discharge using steam or a fine spray nozzle.

  In order to ensure visibility, smoke or the like that is ejected may be ejected so as to crawl the lower surface of the tunnel such as dry ice so as not to be accumulated more than a predetermined height. For example, a means for exhausting smoke may be provided below the wall surface or on the road surface so as not to accumulate more than the height of the visibility of the driver sitting on the seat or the height of the light of the car. Alternatively, smoke may be ejected so as to be deposited only on the upper part of the tunnel. In this case, the smoke ejected by the driving of the car does not flutter, and the visibility can be continuously maintained, so that the evacuation is not hindered.

  It is desirable that smoke or the like ejected into the tunnel has a component that does not adversely affect the human body.

  FIG. 2 is an explanatory view showing another embodiment of a tunnel fire notification facility according to the present invention for notifying a fire with a flashlight. In FIG. 2, the fire hydrant device 14 and the fire detector 16 provided in the tunnel 10 are the same as those in the embodiment of FIG. 1, and a disaster prevention receiving board 22 is provided correspondingly.

  As a tunnel fire notification facility in the embodiment of FIG. 2, a flash lamp 24 is provided as a flashlight in the vicinity of the fire hydrant device 14, on the surface of the fire hydrant device 14, or on the fire detector 16. The flash lamp 24 is connected to the control device 20 by a signal line, and the corresponding flash lamp 24 is driven based on the fire signal when the fire detection signal is received by the disaster prevention reception board 22 and the section signal indicating the location of the fire. , Announce flash fires in the tunnel intermittently.

  The flash lamp 24 that operates in the event of a fire includes a section including a fire occurrence site and one or more sections in front of the section. For example, when a fire occurs in the section L4, the flash lamp 24 in the section L4 including the fire occurrence site and the flash lamps 24 in the sections L2 and L3 in front of the section L4 are operated to drive the vehicle traveling in the tunnel 10 Notify person of fire.

  In the embodiment of FIG. 2, a fire is notified by the flash lamp 24, but instead of the flash lamp 24, a Patlite (registered trademark) known as a turning warning light is installed, and the fire in the tunnel The occurrence may be notified to the driver.

  The degree of notification may be different for each section. For example, the flashing speed of the flash may be increased as the section approaches the fire occurrence section.

  FIG. 3 is an explanatory view showing another embodiment of a tunnel fire notification facility according to the present invention for notifying a fire using a lighting facility. In FIG. 3, similarly to the embodiment of FIG. 1, a fire hydrant device 14 and a fire detector 16 are provided in the tunnel 10, and each is connected to a disaster prevention receiving board 22 by a signal line.

  In addition to this, in the tunnel fire notification facility of the embodiment of FIG. 3, a fire occurrence notification is made by using lighting devices 26 such as warning lights installed at regular intervals on both sides of the ceiling surface in the traveling direction of the tunnel 10. I do. The lighting device 26 is connected to the lighting control device 28 in units of sections L1, L2, L3, 14, and L5, for example, so that the lighting unit 26 can be controlled to be turned off or blinking.

  When the control device 20 receives from the disaster prevention receiving board 22 a fire report signal accompanying the reception of the fire detection signal and a compartment signal indicating the location of the fire, the compartment including the fire occurrence site of the lighting control device 28 and the front thereof The lighting device 26 installed in one or a plurality of sections is turned off or blinked to notify the driver of the traveling vehicle of the occurrence of a fire.

  For example, when a fire occurs in the section L4, the control device 20 instructs the lighting control device 28 to blink the lighting device in the section L4 and the lighting devices in the front sections L2 and L3. As a result, when the vehicle driver who enters the fire occurrence site in the section L4 enters the section L2, the driver notices that the lighting by the lighting device 26 is blinking or is extinguished, and applies a brake. It is possible to stop reliably before entering the fire site.

  FIG. 4 is an explanatory view showing another embodiment of a tunnel fire notification facility according to the present invention for notifying a fire by an acoustic alarm. 4, the fire hydrant device 14 and the fire detector 16 are installed along the wall surface in the traveling direction of the tunnel 10 and are respectively connected to the disaster prevention receiving board 22 as in the embodiment of FIG. In addition to this, in the embodiment of FIG. 4, a speaker 30 is installed as an acoustic alarm device on the surface or in the vicinity of the fire hydrant device 14 or on the fire detector 16. The speaker 30 is connected to the control device 20.

  When the control device 20 receives the fire signal from the disaster prevention reception board 22 and the section signal indicating the location of the fire, for example, the control apparatus 20 fires the section L4 where the fire has occurred and the speakers 30 installed in the sections L2 and L3 in front of the section L4. An acoustic warning signal for notifying the occurrence is output, and an alarm sound is output in the tunnel 10.

  As the alarm sound output from the speaker 30, an acoustic output that notifies an appropriate abnormality such as a burst sound, a buzzer sound, a water flowing sound, and a siren sound that is not normally heard is performed. In addition, a voice message indicating the occurrence of a fire may be output as an alarm sound. The distance to the fire compartment may be included in the message.

  FIG. 5 is an explanatory diagram showing another embodiment of a tunnel fire notification facility according to the present invention that makes a fire notification using an ETC system. In FIG. 5, a fire hydrant device 14 and a fire detector 16 are installed in the tunnel 10 at regular intervals, and each is connected to a disaster prevention receiving board 22 by a signal line.

  In the present embodiment, a vehicle detector 32 and a roadside radio device 34 are installed for each of the sections L1, L2, L3, L4,... Determined by the fire hydrant device 14 along the traveling direction on the ceiling side in the tunnel 10. The signal lines are connected to the ETC processor 36, respectively.

  The vehicle detector 32 detects a vehicle traveling in the tunnel 10 with a high accuracy of 0.5 m, for example. A vehicle detection signal from the vehicle detector 32 is sent to the ETC processing device 36. Upon receiving this vehicle detection signal, the ETC processing device 36 outputs a telegram to be transmitted to the vehicle-mounted ETC device to the roadside wireless device 34, and the roadside wireless device. 34 transmits the message received from the ETC processing device 36 to the passing vehicle, and causes the vehicle-mounted ETC device to perform necessary processing.

  The ETC processing device 36 is connected to the control device 20. When the fire alarm signal is received by the disaster prevention reception board 22 and the section signal indicating the location of the fire is received, the control device 20 outputs a signal indicating the notification section to the ETC processing device 36 as notification control information. .

  In response to this, the ETC processing device 36 fires the roadside radio device 34 when receiving a vehicle detection signal from the vehicle detector 32 installed in the fire occurrence place, for example, the section L4 and the sections L2 and L3 in front of the section L4. The notification electronic message is output, the fire notification electronic message is wirelessly transmitted from the roadside wireless device 34, and is received by the ETC device of the passing vehicle detected by the vehicle detector 32, and the fire notification electronic message is demodulated by the vehicle-mounted ETC device, Inform the driver by voice message that a fire has occurred in front of the tunnel.

  Here, since the installation location of the vehicle detector 32 with respect to the fire occurrence site can be specified to some extent, for example, the fire notification message from the road-side control device 34 when the passing vehicle is detected by the vehicle detector 32 of the section L2, For example, in a vehicle-mounted ETC device that has received a fire notice message from the roadside radio device 34, including distance information indicating about 300m ahead as the location of the fire, “A fire has occurred about 300m ahead. Is output.

  As a vehicle-mounted ETC device, a fire notification voice message is stored in advance in memory corresponding to the code number indicating the fire notification information from the roadside radio device 34. Announcement messages are called and reproduced and output as voice.

  In the above embodiment, as a device for notifying the driver of the vehicle passing through the tunnel that a fire has occurred, the smoke generator 18, flash lamp 24, Patlite (registered trademark), lighting device 26, speaker 30 or Although the case of using the ETC system is taken as an example, by installing a plurality of combinations of these notification devices in the tunnel, the invading vehicle can be stopped more reliably before the fire occurrence site.

  Further, as the smoke generating device 18 shown in the embodiment of FIG. 1, a solid fire extinguisher is used instead of the smoke generating material, and the solid fire extinguisher is burned by an ignition device so that an aerosol containing a fire extinguishing component is generated as smoke. Alternatively, the fire notification device may be used as a fire extinguishing device. Further, as the smoke generator 18 of FIG. 1, a flame cylinder used in a vehicle accident that emits light and smoke by combustion may be used.

  Further, the above embodiment is an example of installation of a tunnel having a long traffic amount and a long distance in which the fire hydrant device 14 and the fire detector 16 are installed at regular intervals along the tunnel traveling direction. The same applies to tunnels where fire detectors with relatively little traffic are not installed. In such a short and low traffic tunnel, the fire detector 16 is not provided. Therefore, a smoke detection device 18, a flash lamp 24, an illumination is generated by a fire detection signal generated by an operation of a fire extinguisher or a fire transmitter. The device 26, the speaker 30 or the ETC system is activated to notify the occurrence of a fire.

  In addition, for relatively long tunnels with a large amount of traffic where water spray equipment is installed, the fire notification equipment shown in FIGS. 1 to 5 is used as a water discharge notice equipment prior to water discharge from the water spray head. It can also be used. This makes it possible to reliably stop the traveling vehicle in front of the fire occurrence site where water spray is performed due to the occurrence of a fire.

  In the embodiment of FIG. 5, the vehicle detector 32 and the roadside wireless device 34 are provided to detect a passing vehicle and perform ETC communication, but the vehicle detector 32 is not provided and the roadside is provided. Only the wireless device 34 may be used, and a fire notification message may be wirelessly transmitted continuously in the event of a fire.

  The roadside apparatus 34 is not limited to being in the tunnel, but may be provided at the entrance of the tunnel or in front of the entrance to prevent entry into the tunnel.

  The present invention includes appropriate modifications without impairing the object and advantages thereof, and is not limited by the numerical values shown in the above embodiments.

10: Tunnel 12: Tunnel entrance 14: Fire hydrant device 16: Fire detector 18: Smoke device 20: Control device 22: Disaster prevention receiver 24: Flash lamp 26: Lighting device 28: Lighting control device 30: Speaker 32: Vehicle detection 34: Roadside radio device 36: ETC processing device

Claims (4)

Fire detectors arranged at predetermined intervals in the direction of travel in the tunnel,
A disaster prevention receiving board to which the fire detector is connected;
A water spray head that discharges water in the event of a fire,
A smoke generating device that operates at the time of water discharge prior to water discharge from the water spray head;
A control device for controlling the smoke generation operation of the smoke generation device and the water discharge operation of the water spray head;
A tunnel fire notification facility equipped with
When the fire prevention signal is received by the fire detector, the disaster prevention reception board transmits a section signal indicating a fire occurrence location to the control device,
When the control device receives the section signal, the smoke generating device is provided in a section including a fire occurrence place as the smoke generation operation, or a section including the fire occurrence place and a plurality of sections on the entry side before the section. From which water vapor is spouted or water is spouted with finer particles than the water spray head water discharge, and water discharge from the water spray head is performed after the smoke generation operation.
A tunnel fire notification facility.
In the tunnel fire notification facility according to claim 1,
In a fire hydrant device arranged at a predetermined interval in the traveling direction in the tunnel, or equipped with a smoke generator near the fire hydrant device,
The smoke generating operation is a tunnel fire notification facility characterized in that water vapor is ejected by the smoke generating device.
In the tunnel fire notification facility according to claim 1,
A smoke generating device that mixes and jets water and compressed gas with the water spray head,
Tunnel fire notification equipment characterized in that the smoke generating operation ejects water particles finer than the water spraying of the water spray head by the smoke generating device.
In the tunnel fire notification facility according to any one of claims 1 to 3,
A tunnel fire notification facility characterized in that the control device operates the smoke generating device installed in a plurality of sections while reducing the amount of smoke generated each time the control device is moved away from the fire occurrence location.

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