JP2017038698A - Evacuation guidance device in tunnel evacuation pit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To quickly and reliably perform evacuation guidance when an accident, a fire, etc. occur in a tunnel, and when the need arises to perform evacuation guidance for persons in the tunnel using an evacuation pit.SOLUTION: An evacuation guidance device in a tunnel evacuation pit is installed on a moving route of smoke generated in a fire occurring in a tunnel main line, and equipped with a smoke sensor that generates a warning sound upon detection of smoke. By generating a warning sound, the smoke sensor performs evacuation guidance by showing a direction away from the smoke sensor that has detected the smoke as an optimum direction.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an evacuation guidance device in a tunnel evacuation mine for performing appropriate evacuation guidance using an evacuation mine in an emergency such as a fire in a tunnel.

  In the tunnel, an evacuation guide light is installed in order to promptly and reliably guide people, vehicles, etc. to the exit of the tunnel or the evacuation mine in the event of an accident or fire in the tunnel.

  Specifically, there is a conventional technique in which a fire detector and a fire hydrant device arranged for each installation section at predetermined intervals in a tunnel are each provided with an evacuation guide device including an evacuation guide light (for example, Patent Document 1). reference).

  In this patent document 1, based on the operation signal from a fire detector or a fire hydrant device, the disaster prevention receiving board is provided in a fire detector and a fire hydrant device other than the installation section including the activated fire detector or fire hydrant device. For each evacuation guidance device, a transfer signal indicating the direction of the nearest emergency exit in the direction opposite to the fire site is output.

  Then, the evacuation guidance device visually displays the direction to evacuate according to the transfer signal, and outputs a voice guidance message. As a result, fine and accurate evacuation guidance can be actively performed.

  On the other hand, a circuit is added to the lightning-type sign in the existing tunnel, and the lightning-type sign in the tunnel is configured to display specific information under normal conditions and to display evacuation guidance information when an abnormality occurs. There is also a technique (see, for example, Patent Document 2).

  In this patent document 2, evacuation guidance is performed by optically switching the lightning type signs in the existing tunnel. As a result, it is possible to indicate a safe evacuation direction in order to avoid danger when an abnormality occurs in the tunnel without requiring a new direction indicator lamp to be attached to the lightning type sign in the tunnel.

JP-A-10-179774 JP 2005-2111279 A

However, the prior art has the following problems.
Patent Documents 1 and 2 both consider the guidance to the entrance of the tunnel evacuation mine, that is, the entrance of the communication passage of the evacuation mine. However, Patent Documents 1 and 2 do not consider proper evacuation guidance according to the occurrence of a fire for a user who has once reached the entrance of the communication passage. That is, in the evacuation mine, only the direction to the nearest exit or the distance to the exit in multiple directions is shown.

  When a fire actually occurs in the tunnel, there is a good possibility that smoke may enter not only the main tunnel but also the evacuation mine via the communication passage. Therefore, for example, in a situation where smoke is filled on the route up to the nearest exit in the evacuation mine, it is not always the best evacuation route to go to the nearest exit. Therefore, it is important to provide evacuation guidance in the evacuation mine, clearly indicating the appropriate evacuation direction according to the fire occurrence situation.

  The present invention has been made in order to solve the above-described problems. An accident or a fire has occurred in the tunnel, and it is necessary to evacuate people in the tunnel using the evacuation pit. An object of the present invention is to obtain an evacuation guidance device in a tunnel evacuation pit that can promptly and surely perform evacuation guidance when it occurs.

  An evacuation guidance device in a tunnel evacuation pit according to the present invention includes a smoke detector that is arranged on a movement path of smoke generated in connection with a fire generated in a main tunnel and emits an alarm sound when smoke is detected. The smoke detector emits an alarm sound and guides evacuation with the direction away from the smoke detector detecting smoke as the optimum evacuation direction.

  Further, the evacuation guidance device in the tunnel evacuation pit according to the present invention is arranged in each section in the tunnel main line, and outputs an operation signal including address information uniquely assigned to itself when a fire is detected. Is installed on the movement route of the smoke generated by the fire that occurred in the tunnel main line in the evacuation mine connected to the main tunnel and the tunnel main line through the communication passage. A smoke detector that outputs a detection signal including address information assigned uniquely, a direction indicator that is arranged in the evacuation mine and can switch and display one of a plurality of evacuation directions, and an operation signal from an emergency facility And a controller that determines the optimum evacuation direction and executes direction display switching control when receiving a detection signal from the smoke detector, and the controller outputs from the emergency equipment. The fire detection position is identified from the address information contained in the actuation signal by receiving the activated signal, and the smoke detection is performed from the address information contained in the sense signal by receiving the sensing signal output from the smoke detector. The position is identified, the evacuation direction that can reach the exit of the evacuation mine without passing through the identified smoke sensing position is determined as the optimum evacuation direction, and the direction indicator switching display control is executed.

  Furthermore, the evacuation guidance device in the tunnel evacuation shaft according to the present invention is arranged in each section in the tunnel main line, and outputs an operation signal including address information uniquely assigned to itself when a fire is detected. Is installed on the movement route of smoke generated by fires in the tunnel main line, in the evacuation mine connected to the main tunnel and the tunnel main line via a communication passage, and sprays mist based on external commands A dry mist device and a controller that, when receiving an operation signal from an emergency facility, selects a dry mist device that sprays mist according to the fire occurrence position, and outputs an external command to the selected dry mist device. The controller receives the activation signal output from the emergency equipment, identifies the fire occurrence position from the address information included in the activation signal, and identifies the identified fire. By outputting an external command to the dry mist device arranged within a predetermined range from the generation position it is intended to spray the mist.

  According to the present invention, there is provided a configuration capable of showing an optimum evacuation route that is not affected by smoke when evacuating based on the detection result of smoke by the smoke detector installed in the evacuation mine. . As a result, when an accident or fire occurs in the tunnel and it is necessary to guide the people in the tunnel using the evacuation mine, the evacuation tunnel can provide quick and accurate evacuation guidance. The evacuation guidance device can be obtained.

It is explanatory drawing which shows the condition where the fire broke out in the tunnel in Embodiment 1 of this invention. It is a figure for demonstrating the evacuation guidance apparatus in the tunnel evacuation mine in Embodiment 1 of this invention. It is a figure for demonstrating the evacuation guidance apparatus in the tunnel evacuation mine in Embodiment 2 of this invention.

  The present invention is technically characterized by including a configuration that allows a tunnel user to select a quick and accurate evacuation route in an evacuation mine when a disaster occurs in the tunnel. Therefore, a preferred embodiment of the evacuation guidance device in a tunnel evacuation pit according to the present invention will be described below with reference to the drawings.

Embodiment 1 FIG.
FIG. 1 is an explanatory diagram illustrating a situation where a fire has occurred in a tunnel according to Embodiment 1 of the present invention. In the tunnel, fire detectors 1 and fire hydrants 2 required as emergency facilities are installed at intervals of 50 m.

  That is, the inside of the tunnel is divided into ranges with 50 m as one section, and the fire detector 1 and the fire hydrant 2 are arranged in each section. Further, a communication passage 3 connecting the main tunnel and the evacuation mine is provided in the tunnel for evacuating people when an abnormality occurs. In addition, a disaster prevention center (not shown) is arranged in the vicinity of the tunnel, and a control panel 10 including a controller 11 is provided in the disaster prevention center.

  As shown in FIG. 1, when a fire occurs in the tunnel, the nearest fire detector 1 (1) detects the fire and sends an operation signal including address information assigned uniquely to the inside of the control panel 10. Output to the controller 11. Therefore, when the controller 11 receives the operation signal, the controller 11 can specify the position of the fire that has occurred in the tunnel from the address information included in the operation signal.

  In addition, the fire hydrant 2 can have a manual notification circuit that outputs an operation signal by operating a transmission button. In this case, the controller 11 can identify the position of the fire that has occurred in the tunnel by receiving an operation signal including unique address information output from the fire hydrant 2 based on a manual operation. .

  And the fire detector 1 and the fire hydrant 2 in this Embodiment 1 are equipped with the evacuation guide light 4 which shows the direction to the entrance of the nearest communication channel | path 3. FIG. These evacuation guide lights 4 are electrically connected to the controller 11 via signal lines, and can be controlled by the controller 11.

  Therefore, the controller 11 that has been able to specify the position of the fire controls the display so that the evacuation guide light 4 is lit, so that the user of the tunnel can visually recognize the evacuation guide light 4 even when the smoke is full. It can be made easier.

  Note that the evacuation guide light 4 is not limited to showing only one direction to the entrance of the nearest communication passage 3, and can display a direction opposite to the entrance of the nearest communication passage 3. As described above, when the evacuation guide light 4 has a configuration capable of displaying in two directions, the controller 11 displays the evacuation guide light 4 so as to turn on the guide light in the direction away from the specified fire position. Can be controlled.

  Next, a configuration for prompt and reliable evacuation guidance when it becomes necessary to evacuate people in the tunnel using the evacuation pit 8 by applying such a fire location specifying function. Will be described.

  FIG. 2 is a diagram for explaining an evacuation guide device in the tunnel evacuation pit 8 according to Embodiment 1 of the present invention. In FIG. 2, fire detectors 1 and fire hydrants 2 provided with evacuation guide lights 4 are provided at 50 m intervals on the main tunnel, and are represented as symbols □ in FIG. 2.

  In FIG. 2, a fire has occurred on the left side of the tunnel main line, and the symbols □ are hatched to indicate that the four fire detectors 1 on the left side have detected a fire. On the other hand, the fire detectors 1 installed at locations other than the four places on the left side in FIG. 2 are represented as □ symbols because they do not detect a fire.

  Further, in the evacuation guidance device in the tunnel evacuation resistance in the first embodiment, the smoke detectors 5 are arranged in the evacuation resistance 8 at intervals of, for example, 10 m. However, the role of the smoke detector 5 is to detect smoke moving into the evacuation pit 8 from the main tunnel through the communication passage 3. Therefore, the smoke detector 5 may be disposed at an appropriate position on the smoke movement path, and is not necessarily disposed at an interval of 10 m.

  Each smoke detector 5 is connected to the control panel 10 via a power line (not shown) and is supplied with power. When the smoke detector 5 senses smoke, the smoke detector 5 sounds an alarm sound indicating that smoke has been detected.

  As a result, those who evacuate using the evacuation pit 8 start evacuation so as to avoid from the direction in which the warning sound is sounding naturally, so it becomes possible to intuitively inform the appropriate evacuation direction. ing.

  At this time, an alarm sound indicating that smoke has been detected is sounded and, for example, a voice message instructing to evacuate in a direction away from the smoke detector 5 that has detected smoke is sounded, thereby ensuring more certainty. It is possible to inform the people who evacuate to the appropriate evacuation direction.

  As described above, according to the first embodiment, when a fire occurs in the tunnel and the evacuating people evacuate the evacuation mine 8, it is appropriate depending on the smoke detection status in the evacuation mine 8. It has a configuration that can guide evacuation in any direction. As a result, when an accident, a fire, or the like occurs in the tunnel, and it becomes necessary to evacuate people in the tunnel using the evacuation pit 8, evacuation guidance can be performed quickly and accurately.

  Although not shown in FIG. 2, each smoke detector 5 is connected to the controller 11 in the control panel 10 in the same manner as the fire detector 1 and the like. In addition, the smoke detector 5 is assigned unique address information in the same manner as the fire detector 1. When the smoke detector 5 detects smoke, the smoke detector 5 outputs an operation signal including uniquely assigned address information to the controller 11 in the control panel 10.

  On the other hand, when the controller 11 receives the operation signal from the smoke detector 5, the controller 11 specifies the position of the smoke detected in the evacuation pit 8 from the address information included in the operation signal. Can do.

  Further, a direction indicator 6 is provided in the evacuation pit 8 for notifying people evacuating using the evacuation pit 8 of an appropriate evacuation direction. More specifically, the direction indicator 6 has a direction display indicating the left direction in FIG. 2 and a direction display indicating the right direction. The direction indicator 6 is connected to the controller 11 in the control panel 10, and the display direction can be switched by the controller 11.

  Therefore, when the smoke detection position in the evacuation pit 8 can be specified from the detection result by the smoke detector 5, the controller 11 displays the direction indicator 6 so as to display the direction away from the specified smoke detection position. Display control is possible. In addition, when it is determined from the detection result by the smoke detector 5 that the smoke is not detected in the evacuation pit 8, the controller 11 displays the direction so as to display the direction of the shortest route toward the nearest exit. The display 6 can be controlled.

  FIG. 2 illustrates a situation in which smoke has entered the evacuation pit 8 from the communication passage 3 (1) due to a fire occurring in the tunnel main line, and the left five smoke detectors in the evacuation mine 8 are activated. . In this case, it is assumed that the shortest route to the exit is originally leftward for those who enter the evacuation pit 8 from the communication passage 3 (2).

  However, in the case of FIG. 2, if evacuating in the left direction, the evacuee may be caught in smoke. Therefore, in order to inform the evacuees who enter the evacuation pit 8 from the communication passage 3 (2) based on the result of specifying the smoke detection position, the controller 11 informs the evacuation toward the right side. The direction indicator 6 is controlled to display in the right direction.

Embodiment 2. FIG.
In the first embodiment described above, a method of installing a smoke detector in the evacuation pit 8 and determining an optimum evacuation route that is not affected by smoke has been described. On the other hand, in this Embodiment 2, it is about the technique which can determine the shortest path | route to an exit as an optimal evacuation path | route by providing the function which reduces that smoke invades itself in the evacuation mine 8 explain.

  FIG. 3 is a diagram for explaining an evacuation guide device in the tunnel evacuation pit 8 according to Embodiment 2 of the present invention. The configuration of FIG. 3 in the second embodiment is different from the configuration of FIG. 2 in the first embodiment in that a dry mist 7 is disposed in the vicinity of the communication passage 3. Therefore, this difference will be mainly described below.

  In addition, although the case where the dry mist 7 is arrange | positioned in the communication channel | path 3 (1) is illustrated in FIG. 3, it can also be arrange | positioned in communication channels 3 other than the communication channel 3 (1). . Moreover, it is possible to install the dry mist 7 at an appropriate position on the expected smoke movement path in the evacuation pit 8 as necessary.

  The controller 11 (not shown in FIG. 3) is configured so that a fire is detected by the fire detector 1 in order to reduce the smoke generated by the fire in the main tunnel from entering the evacuation pit 8 from the communication passage 3. When it is detected, an external command for operating the dry mist 7 is output to open a selection valve (not shown) of the dry mist 7 installed in the communication passage 3 (1) close to the fire occurrence position. To spray. As a result, a water screen is formed in the communication passage 3 (1) by the mist, and smoke can be prevented from entering the evacuation route from the main tunnel.

  By performing such spraying, smoke is not detected by the smoke detector 5 in the evacuation pit 8, and the controller 11 can determine the shortest route to the exit as the optimum evacuation route. In the case of FIG. 3, by providing the direction indicator 6 connected to the controller 11, the controller 11 controls the display of the direction indicator 6 so as to display the left direction corresponding to the shortest path. can do.

  In addition, when a sprinkler is installed in the communication passage 3, although the role of reducing the intrusion of smoke can be fulfilled, the evacuating people may get wet and the visibility may be deteriorated. It becomes an obstacle.

  On the other hand, when the dry mist is installed in the communication passage 3 as in the second embodiment, the intrusion of smoke can be reduced by spraying the mist and the evacuating people may get wet. It is effective in realizing quick evacuation action without fear of worsening the visibility.

  As described above, according to the second embodiment, the installation of dry mist in the communication passage 3 reduces the intrusion of smoke into the evacuation pit 8 and provides an environment for realizing quick evacuation behavior. it can. As a result, smoke is not detected in the evacuation pit 8, and the shortest route to the exit is determined as the optimum evacuation route, and evacuation guidance can be performed by displaying an appropriate direction.

  In the second embodiment described above, the configuration of the dry mist is added to the configuration of the first embodiment. However, even if the dry mist 7 is simply installed in the communication passage 3 without installing a smoke detector in the evacuation pit 8, smoke intrusion can be reduced and evacuated people may get wet. And the risk of worsening the field of view can be eliminated, and prompt evacuation behavior can be realized.

  Furthermore, dry mist can be installed in the evacuation booth 8 instead of or in addition to the communication passage 3. The dry mist 7 installed in the evacuation pit 8 is connected to a water supply source (not shown) via an open / close valve (not shown) that controls the opening / closing operation of the dry mist 7, and the open / close valve is connected to the control panel 10 via a signal line. Connected to the controller 11.

  The fire detector 1 that detects the fire transmits a fire signal (operation signal) including its own address information to the control panel 10, and when the control panel 10 receives the fire signal, the controller 11 moves away from the fire. The selection valve of the dry mist 7 may be opened.

  More specifically, the fine water particles released from the dry mist 7 lower the ambient temperature by 2 to 3 degrees by the heat of vaporization. Therefore, the temperature of the optimum evacuation route may be lowered by operating the dry mist 7 in a range away from the fire.

  As a result, the evacuation person can start evacuation naturally toward the cooler direction opposite to the hot direction where the fire is occurring, so intuitively without judging the evacuation direction after looking at the direction indicator 6 It is possible to select the optimum evacuation direction.

  Moreover, although the flame detector 1 of the present invention is installed at intervals of 50 m, it may be set at intervals of 25 m depending on the installation site.

  In the evacuation guidance device of the present invention, the operation signal is output by operating the transmission button provided on the fire hydrant 2. For example, the water discharge from the fire hydrant 2 is detected by the water flow detection device, and the activation signal of the water flow detection device is detected. May be used as an operation signal of the evacuation guidance device.

  Further, in the evacuation guide device of the present invention, the controller 11 controls the display of the evacuation guide light 4 so as to turn on the guide light in the direction away from the specified fire position. Depending on the way of thinking, the guide light does not necessarily have to be lit in the direction away from the fire. For example, from the nearest evacuation mine (communication passage 3) If it is better to start evacuation, the guide light may be lit in a direction approaching the fire position.

  Further, in the evacuation guidance device of the present invention, the smoke flow generated is discriminated by the smoke detector 5, and the person and the vehicle are evacuated and guided in the direction away from the fire occurrence position and the smoke existing range. The smoke may be positively controlled by a jet fan provided in the tunnel, and the person and the vehicle may be guided in a direction different from the direction in which the controlled smoke flows.

  1 fire detector, 2 fire hydrant, 3 communication passage, 4 evacuation guide light, 5 smoke detector, 6 direction indicator, 7 dry mist (dry mist device), 8 evacuation pit, 10 control panel, 11 controller.

Claims (4)

An evacuation guidance device in a tunnel evacuation pit equipped with a smoke detector that is arranged on the movement path of smoke generated along with a fire generated in the main tunnel and emits an alarm sound when smoke is detected,
The smoke detector emits an alarm sound, and guides evacuation with the direction away from the smoke detector detecting smoke as an optimum evacuation direction. Emergency equipment that is installed in each section of the main tunnel and outputs an operation signal including address information uniquely assigned to it when a fire is detected;
In the evacuation mine connected to the tunnel main line via the communication passage, it is arranged on the movement path of smoke generated by the fire that occurred in the tunnel main line. A smoke detector that outputs a sensing signal including assigned address information;
A direction indicator arranged in the evacuation mine and capable of switching and displaying one of a plurality of evacuation directions;
A controller for determining an optimum evacuation direction and executing switching control of the direction indicator when receiving the operation signal from the emergency facility and receiving the detection signal from the smoke detector; Prepared,
The controller is
By receiving the operation signal output from the emergency equipment, identify the fire occurrence position from the address information included in the operation signal,
By receiving the detection signal output from the smoke detector, the smoke detection position is identified from the address information included in the detection signal,
An evacuation guidance device in a tunnel evacuation mine that determines the evacuation direction that can reach the exit of the evacuation mine without passing through the identified smoke detection position as the optimum evacuation direction, and executes switching display control of the direction indicator. A dry mist device disposed on the smoke movement path and spraying mist based on an external command;
When the controller receives the operation signal from the emergency facility, the controller outputs the external command to the dry mist device disposed within a predetermined range from the specified fire occurrence position. The evacuation guidance apparatus in the tunnel evacuation pit according to claim 2, wherein the mist is sprayed. Emergency equipment that is installed in each section of the main tunnel and outputs an operation signal including address information uniquely assigned to it when a fire is detected;
A dry mist sprayed on the basis of an external command, which is disposed on a movement path of smoke generated by a fire occurring in the tunnel main line in an evacuation mine connected to the tunnel main line via a communication passage. Equipment,
A controller that, when receiving the operation signal from the emergency facility, selects the dry mist device that sprays mist according to a fire occurrence position, and outputs the external command to the selected dry mist device; Prepared,
The controller is
By receiving the operation signal output from the emergency facility, the fire occurrence position is identified from the address information included in the operation signal,
An evacuation guidance device in a tunnel evacuation mine that sprays mist by outputting the external command to the dry mist device disposed within a predetermined range from the specified fire occurrence position.

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