JPH07246250A - Fire extinguishing device for vehicle - Google Patents

Abstract

PURPOSE:To rapidly extinguish a fire even if the fire breaks out in a vehicle room, such as wide cargo room, where art objects, animals, etc., are loaded. CONSTITUTION:A water tank 22 stored with water is loaded on a vehicle 10 and one end of a first flow passage disposed along the side wall of a body 13 is connected to this water tank 22. This first flow passage is provided with a stop valve 29 and one end of a second flow passage disposed along the ceiling of the body 13 is connected to the other end of the first flow passage. A spraying head 31 having a spraying port directed toward the cargo room 12 is connected to the second flow passage so that the water in the water tank 22 is injected from the spraying port through the first flow passage and the second flow passage by the pressure of compressed air.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle having a monocoque body structure or a vehicle in which a structural skeleton material forming a skeleton of a body is formed by a cylindrical body, and is a large freight vehicle for carrying arts, animals and the like. It is suitable and relates to a fire extinguishing device when a fire occurs in the passenger compartment of this vehicle.

[0002]

2. Description of the Related Art Conventionally, when a fire occurs due to careless handling of cigarette butts in a luggage compartment of a large freight vehicle having a large luggage compartment for loading works of art, animals, etc.,
The occupant took out the handy type manual fire extinguisher installed in the vehicle, pulled out the safety pin, grasped the lever of the hose with the nozzle of the hose facing the fire, and extinguished the fire.

[0003]

However, in the above large-sized freight vehicle, it takes a relatively long time to inject the extinguishing agent toward the fire from the nozzle of the manual fire extinguisher when a fire occurs. was there. Further, if the cargo compartment where the fire occurred is large, there is a problem that it takes more time to extinguish the fire.

An object of the present invention is to provide a vehicle fire extinguisher capable of quickly extinguishing a fire in a vehicle compartment such as a large luggage compartment in which works of art and animals are loaded.

[0005]

The structure of the present invention for achieving the above object will be described with reference to FIGS. 1 to 3 corresponding to the embodiments. The present invention, as shown in FIGS. 1 and 2, is mounted on a vehicle 10 and a tank 2 in which water 21 or a fire extinguishing agent is stored.
2, a first passage provided along the side wall of the body 13 of the vehicle 10 and one end of which is connected to the tank 22, an on-off valve 29 or a pump 53 provided in the first passage, and a body 13
A second flow path that is provided along the ceiling of the vehicle and has one end connected to the other end of the first flow path, and a spraying head 31 that has a spraying port that is connected to the second flow path and that faces the vehicle interior 12. In a vehicle fire extinguisher, the water 21 or the fire extinguishing agent in the tank 22 is sprayed from the spray port through the first flow path and the second flow path by the pressure of the compressed air or the discharge pressure of the pump 53. It is composed. Further, as shown in FIG. 3, the first flow path is connected to the tank 52 via the pump 53, and the water 21 or the fire extinguishing agent in the tank 52 is connected to the first flow path and the second flow path by the discharge pressure of the pump 53. It can also be configured to spray through the spout.

[0006]

In the fire extinguisher shown in FIGS. 1 and 2, the passenger compartment 1
When the on-off valve 29 is opened when a fire occurs in the inside of the tank 2, the water 21 or the fire extinguishing agent in the tank 22 pressurized by the compressed air follows the first flow path along the side wall of the body 13 and the ceiling of the body 13. It reaches the spraying head 31 through the second flow path, and is sprayed from the spraying port of the spraying head 31 to be sprayed over substantially the entire area of the vehicle interior 12. As a result, the fire goes out quickly.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described in detail with reference to the drawings. As shown in FIGS. 1 and 2, a vehicle 10 is a large-sized freight vehicle for carrying works of art, animals and the like in this example, and a passenger compartment 11 is provided at the front of the vehicle 10.
At the rear part partitioned by a partition wall (not shown), a wide luggage compartment 12 is provided in which works of art, animals, etc. are loaded. Vehicle 1
The skeleton of the body 0 of 0 is formed by the structural skeleton material 14, and the structural skeleton material 14 is formed by a square tube made of steel or aluminum alloy. The structural skeleton 14 is a side wall skeleton 16 that forms the skeleton of the side wall (not shown) of the body 13, a ceiling skeleton 17 that forms the skeleton of the ceiling (not shown) of the body 13, and the luggage compartment 12. The floor board skeletal material 18 forming the skeleton of the floor board (not shown) and the partition wall skeletal material 19 forming the skeleton of the partition wall.

A water tank 22 in which water 21 is stored is mounted below the floor plate of the luggage compartment 12. A compressed air source 24 for an air brake (not shown) of the vehicle 10 is connected to the cover plate 22a of the water tank 22 via an air pipe 26 (FIG. 2). The compressed air source 24 has a compressor (not shown) and an air tank for storing the compressed air generated by the compressor. A stop valve 27 is provided in the middle of the air pipe 26. This valve 27 is a two-port two-position switching electromagnetic valve, which closes the air pipe 26 when it is off and opens the air pipe 26 when it is on.

The water tank 22 has a structure that does not deform even if compressed air is introduced into the tank 22 from a compressed air source 24 and that the airtightness is maintained. Side plate 22b of the water tank 22
One end of the pipe 28 is connected to the lower portion, and the other end of the pipe 28 is connected to the vicinity of the lower end of the side wall skeleton member 16 extending in the vertical direction (FIGS. 1 and 2). A skeleton member 16 for a side wall which is shaded and includes a skeletal member 16 for a side wall to which the other end of the pipeline 28 is connected.
The inside of (FIG. 1) is communicated in a watertight state, and is disconnected from the inside of the side wall skeleton member 16 which is not shaded. That is, the first flow path is formed by the side wall skeleton material 16 with diagonal lines. An open / close valve 29 is provided in the middle of the conduit 28 (FIGS. 1 and 2). The on-off valve 29 is a 2-port / 2-position switching solenoid valve in this example, and when it is off, it closes the conduit 28, and when it is on, it opens the conduit 28.

The upper end of the diagonally-skewed side wall skeleton 16 is connected to one end of a similarly shaded ceiling skeleton member 17 (FIG. 1). The ends are closed. The interior of the shaded ceiling skeleton 17 is communicated in a watertight state, and is cut off from the interior of the shaded ceiling skeleton 17. That is, the second flow path is formed by the skeleton member for ceiling 17 which is shaded. A spraying head having a spray port (not shown) directed to the luggage compartment 12 at a predetermined interval in the ceiling skeleton 17 extending in the traveling direction of the vehicle 10 among the shaded ceiling skeletons 17. 31 is connected (FIG. 1). A fire extinguishing switch (not shown) is provided in the driver's seat of the passenger compartment 11, and this switch is connected to the opening / closing valve 29 and the stop valve 27.

The operation of the fire extinguishing device thus configured will be described. When a driver (not shown) turns on the fire extinguishing switch when a fire occurs in the luggage compartment 12 of the vehicle 10,
The stop valve 27 is turned on to open the air pipe 26, and the open / close valve 29 is turned on to open the conduit 28. Compressed air from the compressed air source 24 is supplied into the water tank 22 through the air pipe 26, and a large pressure of this compressed air acts on the water surface in the water tank 22, so that this pressure causes the water 2
1 reaches the spraying head 31 through the pipe line 28, the first flow path of the side wall skeleton member 16 and the second flow path of the ceiling skeleton member 17 shown in FIG. As a result, the water tank 2
The water 21 in 2 is sprayed from the spraying port (not shown) of the spraying head 31 to almost the entire area of the luggage compartment 12, so that the fire is extinguished quickly.

FIG. 3 shows a second embodiment of the present invention. 3, the same reference numerals as those in FIG. 2 denote the same parts. In this example, the side plate 52b lower part of the water tank 52 and the side wall skeleton member 16
A pump 53 driven by an electric motor (not shown) is provided in the middle of the conduit 28 connecting the first flow path of
The water 21 in the water tank 52 passes through the first flow path of the side wall skeletal member 16 and the second flow path of the ceiling skeletal member (not shown) by the discharge pressure of the pump 53, and the spraying port of the spraying head 31 (see FIG. (Not shown). Pipe line 2 connecting the water tank 52 and the suction port of the pump 53 in the pipe line 28
A stop valve 54 is provided in the middle of 8. An air supply / discharge pipe 56 for making the pressure in the water tank 52 equal to the atmospheric pressure is connected to the cover plate 52a of the water tank 52, and an air supply / discharge valve 57 is provided in the middle of the pipe 56. . Stop valve 54 and air supply / discharge valve 57
Are two-port two-position switching solenoid valves, which are configured to close the pipeline 28 and the pipe 56 when they are off, and open the pipeline 28 and the pipe 56 when they are on. A fire extinguishing switch (not shown) is provided in the driver's seat, and the switch includes an electric motor for driving the pump 53, a stop valve 54, and an air supply / exhaust valve 57.
Connected to.

The operation of the fire extinguisher device thus constructed will be described. When a fire occurs in the luggage compartment (not shown) and the fire extinguishing switch is turned on, the air supply / exhaust valve 57 is opened to open the air supply / exhaust pipe 56, and the stop valve 54 is opened to open the conduit 28. The water 21 in the water tank 52 flows into the pump 53, and the pump 53 is driven by an electric motor (not shown). Pump 53 operates and pump 5
The water 21 in the water tank 52 passes through the first flow path of the side wall skeleton 16 and the second flow path of the ceiling skeleton (not shown) by the discharge pressure generated in the water 21 on the discharge port side of No. 3 of FIG. To reach the spraying head (not shown). As a result, the water 21 in the water tank 52 is sprayed from the spray port (not shown) and sprayed over almost the entire area of the luggage compartment, so that the fire is extinguished quickly.

In the first embodiment described above, the water tank for storing water is used as the tank, but a liquid fire extinguisher or a powder fire extinguisher may be stored in the tank. Further, in order to prevent the water in the water tank of the first embodiment from largely flowing in the water tank due to start, stop or vibration of the vehicle, a large number of holes are formed in the water tank at predetermined intervals. The formed baffle plate may be fixed, or the inside of the water tank may be divided into a water storage chamber and an air storage chamber by a rubber plate. Further, although the compressor and the air tank for the air brake are mentioned as the compressed air source in the first embodiment, the compressed air source dedicated to the fire extinguisher of the present invention may be mounted.

In the second embodiment, the water tank for storing water is used as the tank, but a liquid extinguishant may be stored in the tank. Further, in order to prevent the water in the water tank of the second embodiment from largely flowing in the water tank due to start, stop or vibration of the vehicle, a large number of holes are formed at predetermined intervals in the water tank. The formed baffle plate may be fixed. Further, in the first and second embodiments, the square tube made of steel or aluminum alloy is mentioned as the structural skeleton material, but if it is a tubular body, it is formed by joining a pair of substantially hat-shaped members in cross section to each other. It may be a joined tubular body.

In the first and second embodiments described above, the first flow path is formed by the side wall skeleton material, and the second flow path is formed by the ceiling skeleton material. Water in the tank is formed in these flow paths. Although it was directly passed through, a rubber hose or a resin hose was inserted into the inside of the side wall skeletal material and the ceiling skeletal material to form the dedicated first flow path and second flow path, and they were located inside the side wall skeletal material. The lower end of the hose may be connected to the lower part of the side surface of the water tank, and the spraying head may be connected to the hose located in the skeleton for the ceiling. In this case, it is not necessary to keep the watertightness of the side wall skeleton and the ceiling skeleton in which the hose is inserted. Further, the first flow path and the second flow path may be formed by pipes arranged along the outer peripheral surfaces of the side wall skeletal material and the ceiling skeletal material. Furthermore, when the body structure is a monocoque body structure that does not use a structural skeleton material such as a square tube, the first flow path and the second flow path formed by pipes are arranged along the side wall and ceiling of the body. You may. In this case, the pipe may be a round pipe, a square tube, or another tubular body.

[0017]

As described above, according to the present invention, a tank in which water or a fire extinguishing agent is stored is mounted on a vehicle, and one end of the first flow path along the side wall of the body is connected to the tank via an opening / closing valve. A spray head having a spray port directed to the vehicle compartment is connected to a second flow path, one end of which is connected to the other end of the first flow path and which extends along the ceiling of the body, and water in the tank or the extinguishing agent is extinguished. Is configured to be jetted from the spray port through the first flow path and the second flow path by the pressure of compressed air, so a fire may occur in the vehicle compartment such as a large luggage compartment loaded with goods such as works of art and animals. Even if
You can quickly extinguish the fire. Also, the first flow path along the side wall is connected to the tank via a pump, and the water or fire extinguishing agent in the tank is passed through the first flow path along the side wall and the second flow path along the ceiling by the discharge pressure of the pump. Even if it is configured to jet from the spray port, the same effect as above can be obtained.

[Brief description of drawings]

FIG. 1 is a perspective view showing a frame structure of a cargo equipped with a vehicle fire extinguisher according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of a main part of the fire extinguisher including a tank in which water is stored.

FIG. 3 is a sectional view of a main part corresponding to FIG. 2, showing a second embodiment of the present invention.

[Explanation of symbols]

 10 Vehicle 12 Luggage Room (Vehicle Room) 13 Body 21 Water 22,52 Water Tank (Tank) 29 Open / Close Valve 31 Spraying Head 53 Pump

Claims (1)

[Claims] 1. A tank (22, 52) mounted on a vehicle (10) and storing water (21) or a fire extinguishant, and one end provided along a side wall of a body (13) of the vehicle (10). A first flow path connected to the tank (22, 52), and an on-off valve (29) or pump (53) provided in the first flow path
And the one end of which is provided along the ceiling of the body (13) is the first
A fire extinguisher for vehicles, comprising: a second flow path connected to the other end of the flow path; and a spraying head (31) connected to the second flow path and having a spraying port directed toward a vehicle compartment (12). The water (21) or the extinguishant in the tank (22, 52) passes through the first flow path and the second flow path by the pressure of the compressed air or the discharge pressure of the pump (53) and the spray port. A fire extinguisher for vehicles, which is configured to be injected from