JP2010162257A - Fire extinguisher apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simply and easily check whether or not a fire extinguisher is housed and whether or not a door is closed. <P>SOLUTION: A fire hydrant circuit 11 lights a red light display light 26 when fire extinguisher detection switches 56-1, 56-2 detect the fire extinguisher and turns off the red display light 26 when they do not detect fire extinguisher. A transmitter switch 28-3 switched on by pressing operation of a transmitter button is connected to the fire extinguisher detection switches 56-1, 56-2 of the display light circuit in parallel and the red light display light 26 is checked and lighted by switching on the transmitter switch 28-3 by pressing the transmitter button in the state that the fire extinguisher detection switches 56-1, 56-2 are off. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

The present invention relates to a fire extinguisher apparatus which is installed in a tunnel or the like and takes out a fire extinguisher housed in the apparatus in the event of a fire and performs a fire extinguishing activity.

  2. Description of the Related Art Conventionally, as a fire extinguisher apparatus installed on an expressway or an automobile exclusive road, for example, a fire hydrant apparatus including a fire extinguisher and a hose with a nozzle shown in FIG. 7 is known. In FIG. 7, a fire hydrant apparatus 100 stores a hose with a nozzle and valves in a fire hydrant storage portion inside a fire hydrant door 104 provided in a housing 102 so as to be openable, and further includes a fire extinguisher door 106 that can be opened and closed. For example, two fire extinguishers are housed in the fire extinguisher housing portion in the housing 102.

  A notification device door 108 is provided on the right side of the fire extinguisher door 106, and a red indicator lamp 110, a transmitter 112, and a response lamp 114 are provided here. The red indicator lamp 110 is always lit so that the installation location of the fire hydrant device 100 can be seen from a distance. In the event of a fire, when the transmitter 112 is pressed and the switch button is turned on, a transmission signal is transmitted to the fire receiver in the monitoring room, a fire alarm is issued, and a response signal is sent from the fire receiver accordingly, and the response lamp 114 To light up.

  Such a fire hydrant device is installed at intervals of, for example, 50 meters along the side wall in the tunnel. In the event of a fire, the fire hydrant door on the front of the housing is opened, the hose with a nozzle is pulled out, and the fire hydrant opening / closing lever is in the open position. It is operated to discharge fire-fighting water from the nozzle. Moreover, the fire extinguisher door arrange | positioned beside the fire hydrant door can be opened, the fire extinguisher accommodated in it can be taken out, and a fire extinguishing agent can be discharge | released.

Moreover, as a fire extinguisher apparatus in a tunnel, there is also an apparatus in which only a fire extinguisher is accommodated in the apparatus without accommodating a fire hose.

JP 2005-318972 A

  However, in such a conventional fire extinguisher apparatus, for example, at the stage when tunnel construction is completed, an operation for confirming that the fire extinguisher is correctly stored in the fire hydrant apparatus installed at intervals of 50 meters is performed. In the past, the person in charge opened the fire extinguisher doors one by one to check that the fire extinguisher was stored. In the case of a long tunnel exceeding several kilometers, the fire extinguisher There is a problem that it takes time and labor to check the vessel.

  In addition, it is desirable to confirm that the fire extinguisher is housed, even during the operation stage after completion of the tunnel, for example, once a year, during periodic inspections, but confirm by opening the doors one by one. The work to do is difficult, and the improvement is desired.

  In addition, it is expected that the fire hydrant door and fire extinguisher door will be left in a half-opened state where the latch is released without being completely closed for some reason while being installed and used for a long time, Whether it is completely closed or not can only be confirmed manually by hand, the work of confirming it is difficult, and improvement is desired.

An object of this invention is to provide the fire extinguisher apparatus which enables it to confirm easily whether the fire extinguisher is accommodated or whether the door is closed.

The present invention
A fire extinguisher storage section containing a fire extinguisher in a housing with a fire extinguisher door;
A red indicator light to indicate the installation location;
In a fire extinguisher device with
A fire extinguisher detector for detecting a fire extinguisher;
An indicator light circuit that turns on a red indicator light when a fire extinguisher is detected by a fire extinguisher detector, and turns off a red indicator light when a fire extinguisher is not detected;
Is provided.

The fire extinguisher apparatus of the present invention further includes a fire extinguisher door open / close detection unit that detects opening and closing of the fire extinguisher door,
The indicator lamp circuit lights up the red indicator lamp when both the detection of the fire extinguisher by the fire extinguisher detection unit and the close detection of the fire hydrant door by the fire extinguisher door opening / closing unit are determined, and at least one non-detection is performed When the determination is made, the red indicator lamp is turned off.

The fire extinguisher apparatus of the present invention further includes a first door opening / closing detection unit that detects opening and closing of a fire hydrant door,
A second door opening / closing detector for detecting opening and closing of the fire extinguisher door;
The indicator lamp circuit is configured to detect all of the detection of the fire extinguisher by the fire extinguisher detection unit, the detection of the closing of the fire hydrant door by the first door opening / closing unit, and the detection of the closing of the fire extinguisher door by the second door opening / closing detection unit. The red indicator lamp is turned on, and the red indicator lamp is turned off when at least one of the non-detections is determined.

  The fire extinguisher detector is a limit switch which is turned on by being pushed by housing of the fire extinguisher, or a pressure sensitive switch which is turned on by placing a fire extinguisher.

  Further, a confirmation switch for confirming and lighting the red indicator lamp by operating a confirmation button is provided.

It is also possible to transmit the detection state of the detection unit to the monitoring panel and display the state of the fire extinguisher device on the monitoring panel.

  According to the present invention, when the fire extinguisher is not housed, the red indicator lamp indicating the installation location of the apparatus is turned off, and the installation state of the fire extinguisher can be easily grasped from the outside. In addition, for example, when traveling from an inspection vehicle while confirming the lighting of the red indicator lamp of the device installed on the tunnel wall, it is immediately determined whether the red indicator lamp is lit when passing through the fire extinguisher device. Even in a long tunnel in which fire extinguishers are installed at intervals of 50 meters, the presence or absence of a fire extinguisher can be confirmed by the presence or absence of a red indicator lamp in a short time.

  In addition to the fire extinguisher, if the fire hydrant door, the fire extinguisher door, or the hydrant valve opening / closing lever is open, the red indicator light goes off. Similarly, the red indicator light of the tunnel fire hydrant device installed on the tunnel wall from the inspection vehicle By traveling while confirming the lighting, it is possible to easily check the presence or absence of the fire extinguisher and the presence or absence of the fire hydrant door or the fire extinguisher door by checking whether or not the red indicator lamp is lit in a short time.

Also, when confirming that the red indicator lamp is extinguished, press the confirmation push button to switch it on, so that if there is no disconnection, the red indicator lamp will illuminate. It can be easily distinguished that the red indicator lamp is extinguished due to detection or door opening.

Explanatory drawing which showed embodiment of the fire hydrant apparatus by this invention from the front 1 is a front view showing the internal structure of the main body with the door side removed. Plan view showing the internal structure of FIG. The circuit diagram which showed embodiment of the fire hydrant circuit provided in the tunnel fire hydrant apparatus of FIG. Explanatory drawing which showed other embodiment of the fire hydrant apparatus by this invention from the front The circuit diagram which showed other embodiment of the fire hydrant circuit provided in the tunnel fire hydrant apparatus of FIG. Front view showing a conventional tunnel hydrant device

  FIG. 1 is a front view showing an embodiment of a fire hydrant apparatus including a fire extinguisher apparatus according to the present invention. In FIG. 1, the fire hydrant apparatus 10 is divided into a first housing 12-1 on the fire hydrant side and a second housing 12-2 on the fire extinguisher side, and decorative panels 14-1 and 14-2 are provided on the front surface. It is in a state of being mounted and fixed by the connecting and fixing unit 15 after assembling necessary devices and members to the first casing 12-1 and the second casing 12-2.

  The decorative plates 14-1 and 14-2 are provided with door openings 16 and 17, respectively. The door opening 16 of the first housing 12-1 is provided with a fire hydrant door 18 and a maintenance door 22, and the inside thereof is a fire hydrant storage part having a hose storage space and a valve storage space.

  The fire hydrant door 18 can be opened and closed forward with the lower hinge 21 as the center, and is normally closed at the closed position shown in the figure. When the handle 20 is put into the handle 20 and pulled forward, it can be unlocked and opened. it can.

  A maintenance door 22 that opens and closes upward by a hinge 23 is provided on the fire hydrant door 18, and can be opened by opening the fire hydrant door 18 and releasing the inner lock at the time of inspection. Moreover, the suspension ring 25 for suspending an apparatus is attached to the upper both sides of the 1st housing | casing 12-1.

  A notification device door 24 is provided on the right side of the door opening 17 of the second housing 12-2, and a red indicator lamp 26, a transmitter 28, and a response lamp 30 are provided here, and the fire hydrant that will be clarified in the following description. The circuit is configured. Note that a telephone jack 31 is provided inside the notification device door 24 as shown in FIG.

  The red indicator lamp 26 is always turned on so that the installation location of the fire hydrant apparatus 10 can be seen from a distance. In the event of a fire, when the transmitter 28 is pressed and the switch button is turned on, a transmission signal is transmitted to the fire receiver in the monitoring room, a fire alarm is issued, and a response signal is sent from the fire receiver accordingly, and the response lamp 30 To light up.

  A fire extinguisher door 32 is provided on the left side of the door opening 17, and the inside of the housing 12 corresponding to the fire extinguisher door 32 is used as a fire extinguisher storage space, for example, containing two fire extinguishers. The fire extinguisher door 32 is provided with a handle 34. When the handle 34 is pulled forward, the latch is released, and the fire extinguisher door 32 can be opened forward with the left side as a hinge. In addition, a viewing window 35 is provided below the fire extinguisher door 34 so that the presence or absence of the fire extinguisher can be confirmed from the outside.

  FIG. 2 is a front view showing the internal structure of the embodiment of FIG. 1 with the fire hydrant door on the first housing 12-1 side removed and the maintenance door 22 opened upward and supported by a stay 27. In FIG. 2, a hose storage space 36 is formed on the left side of the first casing 12-1, and a valve storage space 38 is formed on the right side.

  In the hose storage space 36, a bucket frame 40 having a frame portion that is bent up and down in the horizontal direction by bending a frame pipe is disposed, and the hose storage space 36 is formed inside. Two hose guides 42 are positioned in the vertical direction at the position offset from the center of the bucket frame 40 to the right side, that is, at the substantially central position in the left-right direction of the door opening 16 to form a hose outlet 45. Yes.

  The hose guide 42 that partitions and forms the hose outlet 45 prevents the hose 44 that is internally wound when the hose 44 is pulled out from being crushed or rubbed against the door opening 16 to be damaged or broken.

  A hose 44 is housed inside the hose storage space 36 surrounded by the bucket frame 40 and the inner wall of the housing. Here, a hose connection port 46 is disposed in the lower portion of the right valve storage space 38, and after the primary side of the hose 44 is connected to the hose connection port 46, the hose 44 is wound into the hose storage space 36. However, in this case, the hose 44 is wound so that the hose 44 is wound clockwise when viewed from the door opening 16.

  That is, the hose 44 connected to the hose connection port 46 is first wound in the direction of the hose storage portion 36 along the lower inner wall of the first housing 12-1 and is wound from the lower side of the hose storage space 36, and thereafter The hose formed by a hose guide 42 attached in the vicinity of the center of the door opening 16 with the tip of the hose that is wound clockwise in the storage space and is finally offset from the center of the bucket frame 40 to the right side. A nozzle 48 is detachably attached to a nozzle holder 50 which is taken out from the outlet 45 and fixed to the right hose guide 42.

  The valve storage space 38 disposed on the right side of the hose storage space 36 provided in the first housing 12-1 is provided with a pump start pushbutton switch 64 at the top, and a fire hydrant connection to which piping from the pump equipment is further connected. A water supply valve, a fire hydrant valve, an automatic pressure regulating valve, an automatic drain valve, and a maintenance device are provided in a piping system extending from the opening to the hose connection port 46. Among these, a name plate 53 is provided corresponding to the fire hydrant valve opening / closing lever 52 provided in the fire hydrant valve, and a fire hydrant valve, an automatic pressure regulating valve, and an automatic drain valve are arranged on the back side of the name plate 53.

  FIG. 3 is a plan view showing the internal structure of FIG. In FIG. 3, the first housing 12-1 and the second housing 12-2 are fixed by bolts at the connection fixing portion 15. In the hose storage space 36 of the first housing 12-1, a bucket frame 40 is disposed in a lateral L shape when viewed from above, and the hose 44 is wound inside the hose storage space 36 formed between the housing inner wall and the hose 44 by clockwise winding. Stored in a wound state. In addition, two fire extinguishers 37 are housed in the fire extinguisher housing space 39.

  In the fire extinguisher storage space 39, a mountain-shaped fire extinguisher holder 54 is disposed on the back side in plan view. , 56-2 are arranged. The fire extinguisher detection switches 56-1 and 56-2 are limit switches, for example, and are turned off when the fire extinguisher 37 is not housed. When the fire extinguisher 37 is housed as shown, the switch lever is pushed. The fire extinguisher detection switches 56-1 and 56-2 are turned on.

  In addition, as a fire extinguisher detection part, you may make it provide a pressure-sensitive switch in the position which puts the fire extinguisher 37 of the bottom face side of the fire extinguisher accommodation space 39. FIG.

  FIG. 4 is a circuit diagram showing an embodiment of a fire hydrant circuit provided in the fire hydrant apparatus of FIG. In FIG. 4, three circuit transmitter switches 28-1 to 28-3 that are turned on by pressing the switch button of the transmitter 28 are provided.

  When the transmitter switch 28-2 is turned on by pressing the switch button of the transmitter 28, a current is passed between the signal line 73 and the common line 72 to transmit the transmission signal to the fire receiver in the monitoring room to output a fire alarm. The response lamp 30 is turned on by supplying power between the signal line 71 and the common line 70 by the operation on the fire receiver side and turning on the transmitter switch 28-1.

  A pump start push button switch 64 and a pump start switch 62 are connected in parallel between the signal lines 73 and 74 and the common line 72. The pump start push button switch 64 is turned on by pushing the pump start button, and a current is supplied to the signal line 74 to output a pump start signal to the pump control panel, thereby starting the operation of the fire pump.

  The pump start switch 62 is turned on when the fire hydrant valve opening / closing lever 52 shown in FIG. 2 is operated to open, and a current is supplied to the signal line 74 to output a pump start signal to the pump control panel. Start driving.

  The red indicator lamp 26 is connected between the signal line 76 and the common line 75, and in this embodiment, the fire extinguisher detection switches 56-1 and 56-2 are connected in series with the red indicator lamp 26. . As shown in FIG. 3, when two fire extinguishers 37 are normally stored in the fire extinguisher storage space 39, the fire extinguisher detection switches 56-1 and 56-2 are both turned on. Therefore, the red indicator lamp 26 is lit.

  On the other hand, when the fire extinguisher 37 is not housed in the fire extinguisher housing space 39, either or both of the fire hydrant detection switches 56-1 and 56-2 are turned off, and the red indicator lamp 26 is turned off.

  Further, a transmitter switch 28-3 is connected in parallel with the fire extinguisher detection switches 56-1 and 56-2, for example, a transmitter button in a state where the fire extinguisher detection switches 56-1 and 56-2 are turned off. When the switch button 28 is pushed in, the transmitter switch 28-3 is turned on to turn on the red indicator lamp 26 so that the presence or absence of the ball can be confirmed.

  Here, the circuit portion including the response lamp 30, the transmitter switches 28-1, 28-2, the pump start push button switch 64, the pump start switch 62, and the red indicator lamp 26 is the same as the conventional apparatus of FIG. In the embodiment, a transmitter switch 28-3 and a fire extinguisher detection switch 56-1 and 56-2 are newly provided.

  To check whether the fire extinguisher is correctly stored in the fire hydrant device 10, for example, visually check whether the red indicator lamp is lit while traveling at a maximum speed of 80 km or less, for example 70 km / h, which is the legal maximum speed in the tunnel. Check with.

  When checking whether or not the red indicator lamp 26 is lit while traveling the inspection vehicle 80 at a speed of 70 km / h, the passing time of the fire hydrant device 10 installed at intervals of 50 m is about 2.6 seconds, and the fire extinguisher is stored. If it is confirmed that the red indicator lamp is lit, it can be seen that the red indicator lamp 26 is turned on at intervals of about 2.6 seconds, and the red indicator lamp 26 is turned off. In that case, you can be sure that the fire extinguisher is not stored.

  In addition, the presence or absence of the red indicator light on the fire hydrant device may be checked visually by an inspector on board the inspection vehicle. To ensure accuracy, a light receiving device is mounted on the inspection vehicle. The presence or absence of light from the red indicator lamp of the fire hydrant device 10 is automatically detected and recorded on a memory or recording paper, and the fire hydrant device that does not contain the fire extinguisher and its position are detected from the recorded data. good.

  On the other hand, the cause of the extinction of the red indicator lamp 26 provided in the fire hydrant device 10 is that the red indicator lamp 26 is blown out in addition to the fire extinguisher detection switches 56-1 and 56-2 being turned off. 4 is turned on by pressing a switch button of the transmitter 28 provided in the tunnel hydrant device 10, and at this time, the red indicator lamp 26 is turned on. If is not lit, it is known that the ball is out of light, and the light bulb of the red indicator lamp 26 may be replaced. Further, if the red indicator lamp 26 is turned on, it can be determined that the extinguisher is not extinguished and that the extinguisher is not present without opening the fire extinguisher door 32 and checking the inside.

  In addition to confirming by pressing the switch button of the transmitter 28, the fire extinguisher detection switches 56-1 and 56-2 may be operated to confirm the blowout. Instead of the transmitter switch 28-3, a confirmation switch dedicated to checking for blowout may be provided for confirmation.

  Further, when the red indicator lamp 26 is turned off despite the fire extinguisher being housed, the fire extinguisher 37 is not housed in the correct position with respect to the fire extinguisher holder 54 as shown in FIG. In this case, the fire extinguisher 37 may be placed in the correct storage position so that the fire extinguisher detection switches 56-1 and 56-2 are turned on and the red indicator lamp 26 is turned on.

FIG. 5 is an explanatory view showing another embodiment of the fire hydrant device according to the present invention from the front, and FIG. 6 shows another embodiment of the fire hydrant circuit provided in the fire hydrant device of FIG.

  The fire hydrant apparatus 10 of FIG. 5 is the same as that of FIG. 1, but further, a fire hydrant door detection switch 68 as a first door detection switch is provided on the right side of the fire hydrant door 18 and a fire extinguisher door 32 as a second door detection switch. In contrast, a fire extinguisher door detection switch 66 is provided.

  The fire hydrant circuit 11 of FIG. 6 is basically the same as that of the embodiment of FIG. 4, but is further connected in series with the fire extinguisher detection switches 56-1 and 56-2 connected in series with the red indicator lamp 26. An open / close detection switch 66 and a fire hydrant door open / close detection switch 68 are connected in series.

  In addition, a transmitter switch 28 for confirming whether the red indicator lamp 26 is blown out in parallel with the series circuit of the fire extinguisher detection switches 56-1 and 56-2, the fire extinguisher door open detection switch 66, and the fire hydrant door open detection switch 68. -3 are connected in parallel.

  According to the embodiment of FIGS. 5 and 6, when a fire extinguisher is not stored, the fire hydrant door 12 is half open, or the fire extinguisher door 36 is half open, a corresponding switch is generated. Is turned off, the red indicator light 26 is turned off, and the inspector visually confirms it easily and surely while traveling in the tunnel with the inspection vehicle, and knows the malfunction of the tunnel hydrant device 10 and takes an appropriate response. be able to.

  In the above embodiment, the presence or absence of the fire extinguisher can be confirmed by the presence or absence of lighting of the red indicator lamp on the tunnel fire hydrant device side. For example, the fire extinguisher detection switch 56-1, FIG. 56-2 may be a two-circuit switch, a fire extinguisher detection switch may be inserted and connected to another signal line, and a signal indicating the presence or absence of the fire extinguisher may be transmitted to the fire receiver in the monitoring room for display. This also applies to the embodiment of FIG. Moreover, when transmitting a state to a monitoring room, you may make it transmit in detail which state of the apparatus of a fire extinguisher, a fire extinguisher door, and a fire hydrant door is abnormal, and may display it.

  In the above embodiment, the case is divided into the fire hydrant side and the fire extinguisher side, but the hose outlet of the above embodiment is similarly applied to the integrated housing structure. It is possible to apply a hose bucket structure in which is disposed in the approximate center of the door opening.

  Moreover, this invention is applicable also to the fire extinguisher apparatus (fire extinguisher box) which accommodates only a fire extinguisher, without accommodating a fire hose. In this case, the door open state of the fire extinguisher box may be monitored to display the fire extinguisher state and the door open state.

  In the above embodiment, the observation window 35 is provided so that the fire extinguisher storage state can be seen from the outside. However, the above-described embodiment is also applied to a fire hydrant apparatus having the same structure as the conventional apparatus of FIG. be able to.

Further, the present invention includes appropriate modifications that do not impair the object and advantages thereof, and is not limited by the numerical values shown in the above embodiments.

10: Fire hydrant device 11: Fire hydrant circuit 12-1: First housing 12-2: Second housing 14-1, 14-2: Decorative plate 18: Fire hydrant door 24: Notification device door 26: Red indicator lamp 28: Transmitter 28-1 to 28-2: Transmitter switch 30: Response lamp 32: Fire extinguisher door 36: Hose storage space 37: Fire extinguisher 38: Valve storage space 39: Fire extinguisher storage space 44: Hose 54: Fire extinguisher Holders 56-1 and 56-2: Fire extinguisher detection switch 62: Pump start switch 64: Pump start push button switch 66: Fire extinguisher door open / close detection switch 68: Fire hydrant door open / close detection switch

Claims (6)

A fire extinguisher storage section containing a fire extinguisher in a housing with a fire extinguisher door;
A red indicator light to indicate the installation location;
In a fire extinguisher device with
A fire extinguisher detector for detecting the fire extinguisher;
An indicator lamp circuit that turns on the red indicator lamp when the fire extinguisher is detected by the fire extinguisher detector, and turns off the red indicator lamp when the fire extinguisher is not detected;
A fire extinguisher apparatus characterized by comprising
The fire extinguisher apparatus according to claim 1, further comprising a fire extinguisher door open / close detection unit that detects opening / closing of the fire extinguisher door, wherein the indicator light circuit detects the fire extinguisher by the fire extinguisher detection unit and The red indicator lamp is turned on when it is determined that the fire hydrant door is closed by the fire extinguisher door opening / closing section, and the red indicator lamp is turned off when at least one non-detection is determined. Fire extinguisher equipment.
The fire extinguisher apparatus according to claim 1, further comprising: a first door opening / closing detection unit that detects opening / closing of a fire hydrant door that houses a hose with a nozzle;
A second door opening / closing detection unit that detects opening / closing of the fire extinguisher door, and the indicator light circuit detects the fire extinguisher by the fire extinguisher detection unit, detects the closing of the fire hydrant door by the first door opening / closing unit, and The red indicator lamp is turned on when all the closing detection of the fire extinguisher door by the second door opening / closing detection unit is determined, and the red indicator lamp is turned off when at least one non-detection is determined. Fire extinguisher device characterized by.
4. The fire extinguisher apparatus according to claim 1, wherein the fire extinguisher detector is a limit switch that is turned on when the fire extinguisher is housed, or a pressure sensitive switch that is turned on by placing the fire extinguisher. Fire extinguisher device characterized by.
5. The fire extinguisher apparatus according to claim 1, further comprising a confirmation switch for confirming and lighting the red indicator lamp by operating a confirmation button.
  The fire extinguisher apparatus according to claim 1, wherein the detection state of the detection unit is transmitted to a monitoring panel.

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