JP2005211279A - Indicator in tunnel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an indicator in a tunnel indicating a safe evacuating direction for avoiding danger without newly attaching a direction indicating lamp when a trouble in the tunnel occurs. <P>SOLUTION: This indicating device electro-optically displays indicating parts 4a and 4b composed of left/right directional arrows and distances, and a guide mark 3 and, when a trouble such as a fire occurs, is adapted to electro-optically display a direction advantageous in safety, for example the left side indicating part 4a and the guide mark 3 and turn off the right side indicating part 4b. This constitution can simplify the evacuation guide when the trouble occurs, using a general illumination type indicator. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a display device in a tunnel using lightning.

  Conventionally, in a tunnel such as a road, an evacuation guidance device is installed at predetermined intervals in order to quickly and safely guide people or vehicles to the tunnel exit or emergency exit in the event of an accident or fire in the tunnel. Is provided.

  As evacuation guidance devices, a single unit incorporating a direction indicator lamp in a direction opposite to the fire detector and a speaker for informing the evacuation direction by voice, or a unit incorporating this evacuation guidance device with a fire hydrant, etc. are found. It is done.

  In the event of an emergency such as a fire, the direction indicator light only lights or blinks in the direction opposite to the accident site, so that safe evacuation directions can be indicated for people and vehicles, etc. There are things that prevent you from evacuating in the direction of the fire or accident scene.

As a specific operation of the evacuation guidance device in the tunnel, a signal transmitted from a fire detector near the accident site or a push button type notification device is received by the disaster prevention reception board in the electrical room outside the tunnel, and the disaster prevention reception board By transmitting a signal indicating the direction in which to evacuate to the direction indicator lamp in the tunnel based on the signal, only the safe evacuation direction is turned on or blinking on the direction indicator lamp (see, for example, Patent Document 1).
JP-A-10-179774

  However, the above conventional tunnel evacuation guidance apparatus requires an arrangement different from that of a normal sign. Therefore, the cost is inevitably high, and installation is troublesome. In addition, since it is mixed with ordinary signs, there is a problem of causing extra confusion in some cases.

  The present invention solves such a conventional problem, and performs evacuation guidance by optically switching lightning-type signs in an existing tunnel.

  In order to achieve the above-mentioned object, the present invention adds a circuit to the lightning-type sign in the existing tunnel, and the lightning-type sign in the tunnel displays specific information under normal conditions, and an evacuation guidance table is displayed when an abnormality occurs. Configure to display information. Therefore, it is possible to indicate a safe evacuation direction in order to avoid danger when an abnormality occurs in the tunnel by adding a circuit to the lightning-type sign in the existing tunnel without requiring the installation of a new direction indicator light. it can.

  The present invention adds a circuit to the lightning-type sign in the existing tunnel, so that the lightning-type sign in the tunnel normally displays specific information based on the signal from the abnormality detection unit, and an abnormality occurs. By controlling so as to display the evacuation guide table information at times, it is possible to indicate a safe evacuation direction for avoiding danger when an abnormality occurs in the tunnel.

  Therefore, it is not necessary to attach a new direction indicator light to the lightning type sign in the tunnel, and a safe evacuation direction can be indicated in order to avoid danger when an abnormality occurs in the tunnel.

  During normal times, lightning-type signs that display specific information in the tunnel are placed at appropriate locations in the tunnel, and when an abnormality occurs, the display content of the signs is optically changed from the specific information to evacuation guidance information for avoiding danger. By configuring the display device in the tunnel to be switched, it is possible to indicate a safe evacuation direction in order to avoid danger when an abnormality occurs in the tunnel without requiring the installation of a new direction indicator light.

  Further, an abnormality occurrence detection unit is provided in the tunnel at predetermined intervals, and the display of the guidance information on each sign is controlled based on the signal of the abnormality occurrence detection unit, thereby automatically specifying the abnormality occurrence field. And can provide quick and safe evacuation guidance.

  Furthermore, the location where the abnormality has occurred can be detected in detail by using a fire detector and a push button type notification device as the abnormality occurrence detection unit.

  In addition, by representing the guidance information with arrows, it is possible to provide an evacuation guidance that is visually easy to understand for people and vehicles in the tunnel.

  Then, an arrow indicating one of the tunnels is used as normal information with a distance display indicating the distance to one exit, an arrow indicating the other tunnel and a distance display indicating the distance to the other exit. If one of the arrows safe for avoiding danger and the corresponding distance display are displayed electronically and the other arrow and the corresponding distance display are stopped, the existing tunnel exit guidance indicator light Can be used, and an arrow can be used for the guidance information. Therefore, the display device in the tunnel can be easily manufactured.

  Embodiments will be described below with reference to the accompanying drawings.

(Example 1)
In FIG. 1, a lightning type indicator 1 in a tunnel is for tunnel exit guidance display, for example, and there is an exit guidance mark 3 at the center of the display board 2, and the left exit with the tunnel exit guidance mark 3 in between. A left indicating portion 4a indicating the direction and distance of the right side, and a right indicating portion 4b indicating the direction and distance of the right exit are provided.

  The inside of the main body of the light-emitting sign 1 is divided into three compartments by a partition plate 5 corresponding to the exit guide mark 3, the left indicating portion 4a, and the right indicating portion 4b of the display board 2. Each partition space is provided with lighting devices 6a to 6c, for example, fluorescent lamps, and individually illuminates the tunnel exit guide mark 3, the left side instruction part 4a, and the right side instruction part 4b.

  If the lightning type sign 1 is configured in this way, the lighting devices 6 (the left lighting device 6a, the right lighting device 6b, and the central lighting device 6c) can be individually turned off. It works as a guide indicator light, and can function as an evacuation guide indicator light in an emergency.

  Therefore, by adding a circuit to the existing in-tunnel indicator light 1 without requiring the installation of a new direction indicator light, in the emergency in the tunnel, it is safe for people and vehicles to be opposite to the accident site. The direction of evacuation can be indicated. The indicator of the lightning type sign in the tunnel may be an LED or a liquid crystal.

  FIG. 2 shows a circuit diagram. That is, the power source of the lighting devices 6 of the electric signs 1a to 1c in the tunnel 7 is switched from the commercial power source 10 by the power switch 9 in the electrical room 8 to the DC / DC power source of the battery 11 during a power failure. It is supplied from a power source converted into an AC power source by the AC inverter 12.

  Further, in the circuit, when an abnormality such as a fire or an accident occurs in the tunnel, the switches 14a to 14 that operate based on signals from the abnormality detection units 13a to 13c (for example, a fire detector or a push button notification device). 14c and lighting device lighting control relays 16a to 16e for controlling the switches 15a to 15e of the lighting devices 6 of the light-emitting type labels 1a to 1c based on the currents flowing by the operation of the switches 14a to 14c are provided.

  Further, the circuit of FIG. 2 will be specifically described. The lightning type signs 1 provided at predetermined intervals in the tunnel 7 are arranged in order from the one closest to the entrance of the tunnel, the first lightning type sign 1a, the second lightning type sign 1b, the third lightning type sign 1c,. , The section A between the first lightning type sign 1a and the second lightning type sign 1b, the section B between the second lightning type sign 1b and the third lightning type sign 1c, and similarly C, D, E ···.

  Also, an abnormality occurrence detection unit 13a is provided in the section A, an abnormality occurrence detection unit 13b is provided in the section B, an abnormality occurrence detection unit 13c is similarly provided in the section C, and an abnormality occurrence detection unit 13d.・ ・ Are arranged respectively.

  Further, a switch 14a that operates based on a signal from the abnormality occurrence detection unit 13a in the section A, a switch switch 14b that operates based on a signal from the abnormality occurrence detection section 13b in the section B, and so on, similarly, the switch 14d in the section C, and so on. Is provided.

  In addition, with respect to the lighting device lighting control relay 16, the lighting device lighting control relay 16a for controlling the switch 15a of the right lighting device 6b of the first lightning type indicator 1a is provided, and the left lighting device 6a of the second lightning type indicator 1b is provided. The lighting device lighting control relay for controlling the switch 15b is 16b. Similarly, the lighting device lighting control relay for controlling the switch 15c of the right side lighting device 6b of the second lightning type indicator 1b is 16c, and the left side lighting of the third lightning type indicator 1c is used. The lighting device lighting control relay for controlling the switch 15d of the device 6a is 16d, and the lighting device lighting control relay 16e,.

  For example, when an abnormality occurs in the section A, the abnormality detection unit 13a detects the abnormality, and the switch 14a is turned on based on this signal. Then, when a current flows through the light device lighting control relay 16a, the lighting device lighting control relay 16b, the lighting device lighting control relay 16d,..., The switches 15a, 15b, 15d,.

  Therefore, the right side lighting device 6a of the first lightning type sign 1a, the left side lighting device 6b of the second lightning type sign 1b, the left side lighting device 6b of the third lightning type sign 11c, etc. are extinguished, thereby exiting the first tunnel. The left illuminator 6b that illuminates the left indicator 4a of the guidance indicator lamp 1a is kept on, and conversely, the right side of the second lightning type indicator 1b, the third lightning type indicator 1c, the fourth lightning type indicator 1d,. The right side illumination device 6b that illuminates the instruction unit 4b continues to be lit.

  As a result, the person who is on the left side of the place where the accident occurred is guided to the left side, and the person who is on the right side is guided.

  In this way, when a circuit is added to the lightning type sign in the existing tunnel 7, it can be configured to display specific information during normal times and evacuation guide table information when an abnormality occurs, so a new direction indicator lamp Therefore, it is possible to indicate a safe evacuation direction for avoiding danger when an abnormality occurs in the tunnel 7.

(Example 2)
Next, a second embodiment of the present invention will be described with reference to FIG. FIG. 3 is a circuit in which a flicker control unit 17 is provided in the circuit shown in FIG.

  If the flicker control unit 17 is provided in the circuit as described above, it is possible to blink the lightning type indicator when an abnormality occurs. As a result, the evacuation direction blinks compared to simply lighting the evacuation direction for people and vehicles in the tunnel 7, so that the evacuation awareness can be enhanced and the evacuation guidance display becomes more effective.

  In the above-described embodiment, a fluorescent lamp is used as the illumination device, but there is no particular limitation on the light source. In short, it is only necessary to display an instruction unit, a guidance mark, etc. with electric light. It is also possible to realize the guidance mark or the like with liquid crystal and control the lighting of the backlight.

  Furthermore, the indicator and the guide mark may be constituted by light emitting diodes, and the indicator and the guide mark itself may be controlled to emit light.

  In the case where the instruction unit and the guidance mark are liquid crystal or light emitting diodes, the contents themselves can be changed. For example, the arrow indicator and the guide mark are usually green, and if an abnormality occurs, the color is changed to red or orange with good visibility, or the guide mark that is the “exit” is converted to a pattern where a person is running Moreover, it is possible to change the color tone at the same time. Further, the guide mark may be one that selectively expresses, for example, the closer one of “exit” or “emergency exit” when an abnormality occurs.

  As described above, lightning-type signs that display specific information in the tunnel are placed at appropriate locations in the tunnel during normal times, and the display contents of the signs are evacuated to avoid danger from the specific information when an abnormality occurs. By configuring the display device in the tunnel so that it can be switched electronically, it is possible to indicate a safe evacuation direction in order to avoid danger when an abnormality occurs in the tunnel without the need to install a new direction indicator light. For example, it can be used for an emergency light in a building.

1 is an exploded front view of a lightning-type label showing Example 1 of the present invention. Same circuit diagram Circuit diagram showing the second embodiment

Explanation of symbols

1, 1a, 1b, 1c Lightning type indicator 4 Instruction unit 13 Abnormality detection unit

Claims (6)

During normal times, lightning-type signs that display specific information in the tunnel are placed at appropriate locations in the tunnel, and when an abnormality occurs, the display content of the signs is optically changed from the specific information to evacuation guidance information for avoiding danger. A tunnel display device that can be switched. The in-tunnel display device according to claim 1, wherein an abnormality detection unit is provided in the tunnel at predetermined intervals, and the display of evacuation guidance information on each sign is controlled based on a signal from the abnormality detection unit that has detected an abnormality. . The in-tunnel display device according to claim 2, wherein the abnormality occurrence detection unit is a fire detector. The in-tunnel display device according to claim 2, wherein the abnormality occurrence detection unit is a push button type notification device. The in-tunnel display device according to claim 1, wherein the evacuation guidance information is represented by an arrow. An arrow indicating one of the tunnels, a distance display indicating the distance to one of the exits, an arrow indicating the other of the tunnel, and a distance display indicating the distance to the other exit are used as normal specific information. The in-tunnel display device according to any one of claims 1 to 4, wherein one of the arrows safe for avoiding danger and a distance display corresponding to the arrow are displayed electronically, and the other arrows and the distance display corresponding thereto are stopped. .

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