JP5851380B2 - Tunnel fire hydrant device - Google Patents

Description

  The present invention relates to a tunnel fire hydrant device installed in a tunnel such as a highway.

  2. Description of the Related Art Conventionally, in highway expressway tunnels, a cage-like concrete frame is constructed on the road surface of the lane, and a supervisor passage having a predetermined height is constructed on one road shoulder. In order to protect people and vehicles from fire accidents that occur in the tunnel, emergency facilities such as fire detectors for fire monitoring and fire hydrant devices for fire extinguishing are installed. The fire detectors are installed at predetermined intervals on the wall surface of the concrete frame. The fire hydrant device is disposed in a box opening recessed in the wall surface of the concrete frame that can be operated from the supervisor passage, and is installed at predetermined intervals.

JP 2001-9053 A

  In conventional tunnels, in order to install a fire detector and a fire hydrant device, it is necessary to fix them individually to the wall surface of the concrete frame using anchor bolts, etc., which means that the installation work is complicated and the installation cost increases. There was a problem.

  This invention has been made to solve the above-mentioned problems. The fire detector is arranged in an empty space in the main body, and the complicated installation work of the fire detector on the concrete frame is not required. It aims at obtaining the tunnel fire hydrant device which can reduce cost.

  A tunnel fire hydrant device according to the present invention includes a box-shaped casing having an opening on the front surface, a front panel attached to the front surface of the casing so as to close the opening, and a casing that is wound around a hose housing. A fire extinguishing hose disposed in the body, a red indicator lamp disposed on one side in the width direction of the housing portion of the fire extinguishing hose so as to protrude to the front side with respect to the front panel, and a fire detection unit A fire detector disposed on the other side in the width direction of the storage part of the fire hose, with a convex light receiving glass disposed inside protruding from the front panel with respect to the front panel. I have.

  According to the present invention, since the fire detector is disposed in the main body composed of the casing and the front panel, the troublesome work of installing the fire detector on the concrete frame becomes unnecessary, and the emergency equipment in the tunnel The installation cost can be reduced. In addition, since the fire detector is disposed on the opposite side of the fire hose housing with respect to the red indicator lamp that protrudes to the front side with respect to the front panel, the fire detector and the red indicator lamp The distance between them becomes longer. Thus, adverse effects such as a reduction in the monitoring area of the fire detector due to the red indicator lamp protruding to the front side with respect to the front panel can be suppressed.

It is a front view which shows the tunnel fire hydrant apparatus which concerns on one embodiment of this invention. It is a partially broken side view which shows the tunnel fire hydrant apparatus which concerns on one embodiment of this invention.

  Hereinafter, preferred embodiments of a tunnel fire hydrant device of the present invention will be described with reference to the drawings.

  FIG. 1 is a front view showing a tunnel hydrant device according to an embodiment of the present invention, and FIG. 2 is a partially broken side view showing the tunnel hydrant device according to an embodiment of the present invention.

  1 and 2, the tunnel hydrant device 1 is an emergency facility having a fire monitoring function and a notification function in addition to a fire extinguishing function, and is formed in a rectangular parallelepiped box shape that opens to the front. A housing 2 and a front panel 3 that is fastened and fixed to the front surface of the housing 2 and closes the front opening of the housing 2 are provided. A fire-extinguishing hose 5 having a fire-extinguishing nozzle at the tip and wound in an inner winding around a hose bucket 6 serving as a hose accommodating part is accommodated in the inner central part of the main body composed of the housing 2 and the front panel 3. . A fire extinguisher (not shown) and various electric devices (not shown) are housed on one side in the width direction of the housing portion of the fire hose 5 in the main body. A piping system 7 including an automatic pressure regulating valve 8 and a fire hydrant valve 9 is accommodated in the lower side of the housing width direction other side of the fire hose 5 in the body, and the secondary side of the fire hydrant valve 9 is the fire hose. 5 is connected.

  The front panel 3 is provided with an opening 3a facing the fire extinguishing hose 5 and the piping system 7 and the like, and an opening 3b facing the fire extinguisher. The fire hydrant door 10 is attached to the lower edge of the opening 3a by a hinge (not shown) whose width direction is the rotation axis direction, and can be opened and closed, and a fire hydrant valve opening / closing lever (not shown) for opening and closing the fire hydrant valve 9 Is installed on the back side of the fire hydrant door 10. In addition, the maintenance door 11 is attached to the upper edge of the opening 3a by a hinge (not shown) whose width direction is the rotation axis direction. The fire hydrant door 10 and the maintenance door 11 are substantially flush with the front panel 3 and close the opening 3a.

  The electric device mounting plate 12 is fastened and fixed to the front panel 3 at the four corners, and is disposed so as to extend in the vertical direction on the opening 3a side (the other side in the width direction) of the opening 3b. A red indicator lamp 13, an emergency transmitter 14 and the like are attached to the electrical equipment mounting plate 12, and electrical equipment such as a telephone jack and an emergency outlet is provided. The red indicator lamp 13 clearly indicates the installation position of the tunnel hydrant device 1, protrudes above the electrical equipment mounting plate 12, and protrudes from the front surface of the front panel 3. When the emergency transmitter 14 performs a push button operation in the event of a fire accident, a fire report is made to a monitoring center (not shown). When a fire report is received from the emergency transmitter 14 at the monitoring center, a blinking signal is transmitted, and the red indicator lamp 13 that has been constantly lit is blinked.

  The fire extinguisher door 15 is attached to one side edge of the opening 3b in the width direction by a hinge (not shown) whose vertical direction is the rotation axis direction. In addition, the electric equipment mounting plate 12 and the fire extinguisher door 15 are substantially flush with the front panel 3, and close the opening 3b.

  The fire detector 20 is formed into a detector body 21, a rugby ball-like or hemispherical convex shape, a light receiving glass 22 projecting from the front surface of the detector body 21, and light reception on the front surface of the detector body 21. And a glove 23 projecting on both sides of the upper part of the glass 22, the detector body 21 is fastened and fixed to the rear surface of the maintenance door 11, and the light receiving glass 22 and the glove 23 are fronted from the holes formed in the maintenance door 11. The maintenance door 11 is disposed on the other side in the width direction so as to protrude to the side. For this fire detector 20, for example, a well-known detector as described in Japanese Patent Application Laid-Open No. 2003-296849 is used, so that the detailed description of the configuration is omitted, but the wavelength emitted from the flame of the fire A fire detection unit comprising a detection element and a detection circuit for detecting the light is disposed inside the light receiving glass 22, and a light emitting unit for light reception glass contamination confirmation test is disposed inside the globe 23 to control the entire fire detector 20. A microcomputer, a ROM, a RAM, an output circuit, an input circuit, a constant voltage unit, and the like are housed in the detector main body 21.

  The tunnel fire hydrant device 1 configured in this way is not shown in the figure, but the inside of the box is recessed in the wall surface of the concrete frame that can be operated from the observer passage constructed on one shoulder of the highway tunnel. It is arranged at predetermined intervals (for example, 50 m). At this time, the tunnel hydrant apparatus 1 is installed such that the red indicator lamp 13 and the light receiving glass 22 of the fire detector 20 protrude from the wall surface of the concrete frame. Then, although not shown, a branch pipe branched from a water distribution main pipe laid in a duct constructed in the lower part of the supervisor passage is connected to the piping system 7.

  In this tunnel fire hydrant device 1, the red indicator lamp 13 is provided so as to protrude above the electric device mounting plate 12 and protrude from the wall surface of the concrete frame, and is always lit. When a fire occurs in the tunnel, the light emitted from the flame of the fire enters from the light receiving glass 22, and the circuit unit in the detector body 21 determines the occurrence of the fire based on the incident light from the light receiving glass 22. When it is determined that a fire has occurred, a fire detection signal is output from the fire detector 20 to the monitoring center. Then, when it is confirmed at the monitoring center that a fire has occurred in the tunnel, a flashing signal is transmitted, and the red indicator lamp 13 that has been constantly lit flashes.

  Therefore, the operator rushes to the place where the tunnel hydrant apparatus 1 is installed, opens the hydrant door 10, takes out the fire-extinguishing nozzle, and pulls the hydrant valve opening / closing lever forward. As a result, the fire hydrant valve 9 is opened, and the water discharge from the fire-extinguishing nozzle is started. Therefore, the operator pulls out the fire hose 5 toward the fire site while holding the fire extinguishing nozzle, and extinguishes the fire.

  According to this invention, since the fire detector 20 is installed in the main body using the empty space on the upper side of the piping system 7 in the main body of the tunnel hydrant apparatus 1, the fire detector 20 is used as a concrete frame. The troublesome installation work becomes unnecessary, and the installation cost of the emergency equipment in the tunnel can be reduced.

  Here, the light which goes to the light reception glass 22 from the extension direction of the line segment which connects the light reception glass 22 of the fire detector 20 and the handrail provided in the supervisor passage is blocked by the handrail. Further, the light directed toward the light receiving glass 22 from the extending direction of the line connecting the light receiving glass 22 and the red display lamp 13 extending from the front panel 3 to the front side is blocked by the red display lamp 13. Thus, the extension direction of the line segment connecting the light receiving glass 22 and the handrail and the extension direction of the line segment connecting the light receiving glass 22 and the red indicator lamp 13 enter the blind spot, and fire monitoring cannot be performed.

  According to the present invention, since the fire detector 20 is installed on the upper side of the main body, the blind spot caused by the handrail is in the vicinity of the lane monitor passage, and the fire detector 20 substantially reduces the monitoring area. It can be suppressed. Further, since the light receiving glass 22 is disposed on the opposite side of the red indicator lamp 13 with the housing portion of the fire hose 5 interposed therebetween, the distance between the red indicator lamp 13 and the fire detector 20 is increased. Therefore, reduction of the monitoring area by the fire detector 20 due to the red indicator lamp 13 is suppressed.

  In the above embodiment, the detector main body 21 of the fire detector 20 is fixed to the rear surface of the maintenance door 11, but the area on the other side of the maintenance door 11 in the width direction is deleted, and the detector main body 21 is The fire detector 20 may be positioned in the deletion area of the maintenance door 11 by being fixed to the housing 2 or the front panel 3 so that the front surface of the detector body 21 is substantially flush with the front surface of the maintenance door 11. In this case, since the fire detector 20 is fixed to the stationary member and the fire detector 20 does not move even if the maintenance door 11 is opened at the time of maintenance and inspection, the reliability of fire detection of the fire detector 20 is ensured.

  Moreover, in the said embodiment, it demonstrates as what is applied to the tunnel fire hydrant apparatus 1 which is not provided with the automatic valve apparatus which adjusts the fire water supplied to the water spray head installed in the tunnel ceiling side to a predetermined secondary pressure. However, the present invention may be applied to a tunnel fire hydrant device provided with the automatic valve device. In this case, since the automatic valve device is housed on the other side in the width direction of the housing portion of the piping system 7 in the main body, the fire detector 20 is located on the other side in the width direction of the housing portion of the automatic valve device in the main body. And the fire detector 20 is preferably separated from the red indicator lamp 13. In this case, as the main body, a main body provided with a fire extinguisher storage portion, a fire hose 5 storage portion and a piping system 7 storage portion, and a main body provided with an automatic valve device storage portion are separated or integrated. By constructing and arranging in the width direction, complicated installation work becomes unnecessary.

  DESCRIPTION OF SYMBOLS 1 Tunnel fire hydrant apparatus, 2 housing | casing (main body), 3 front panel (main body), 5 fire hose, 6 hose bucket, 13 red indicator light, 20 fire detector, 22 light-receiving glass.

Claims (2)

A box-shaped housing with an opening on the front;
A front panel attached to the front surface of the housing so as to close the opening;
A fire hose wound around the hose housing and disposed in the housing;
On the one side in the width direction of the storage part of the fire hose, a red indicator lamp arranged to protrude to the front side with respect to the front panel;
A fire detector arranged on the other side in the width direction of the storage part of the fire hose is made by projecting a convex light receiving glass having a fire detection part inside to the front side with respect to the front panel. And a tunnel fire hydrant device.   The tunnel fire hydrant device according to claim 1, wherein the fire detector is fixed to the casing or the front panel.

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