JPH11324598A - Fire fighting system in tunnel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively execute fire fighting action in a tunnel by remote operation of a fire pump car by forming a linear projection in the inner wall of a tunnel to form a water feed groove and guide rail part for a riding type fire pump car. SOLUTION: A linear projecting part 22 is provided on the side wall 20 of a tunnel 10 for automobile, a water feed groove 24 is formed between it and the side wall 20, and it is made to be the guide rail part 28 for a riding type fire pump car 26. A water feed facility 12 and an operating room 18 are provided outside the tunnel 10, and when generation of fire is detected by a fire detector arranged in the tunnel 10, water can be fed to the water feed groove 24 by the water feed facility 12, the fire pump car 26 is rapidly dispatched to the site, the condition is grasped by a monitor television in the operating room 18 through a lighting facility 52 and a television camera 56 loaded on the car, and the water in the water feed groove 24 is sucked, pressurized, and discharged fro an injection nozzle to quench the fire. Consequently, the fire fighting action can be effectively executed quickly and safely without being influenced from traffic in the tunnel.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire extinguishing system for extinguishing a fire in a tunnel.

[0002]

2. Description of the Related Art A conventional fire engine in a tunnel enters the vicinity of the fire at the same time as a fire occurs, and a suction hose connected to a fire pump of the fire engine is connected to a water supply port connected to a water source for fire extinguishing nearby. Spout fire extinguishing water and extinguish the fire by hitting the fire. In another system,
A large sprinkler is installed on the ceiling in the tunnel to activate the fire at the fire location and extinguish the fire.

[0003]

However, in the former case, when the traffic is heavy, a delay may occur before the fire truck arrives at the fire site, and a human disaster caused by harmful gas generated simultaneously with the fire may occur. Had to worry too.

[0004] In the latter case, it is difficult to effectively discharge fire extinguishing water from a sprinkler to a fire occurrence location. It is possible to remotely control the sprinkler while monitoring it with a television camera to make the fire extinguishing effective. However, the effect of fire extinguishing water from a fixed sprinkler is limited.

[0005] It is an object of the present invention to provide a fire extinguishing system capable of quickly, safely and effectively performing a fire extinguishing operation without being affected by the traffic volume in a tunnel.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a water supply groove having at least a part of an upper surface opened along a longitudinal direction inside a tunnel, and a fire extinguishing water in the water supply groove. A water supply facility that supplies water, a truck that can travel along the water supply groove, and a pump device that is mounted on the truck and that sucks up the fire extinguishing water from the opening of the water supply groove and jets it out to a required location. It is a fire extinguishing system in a tunnel characterized by the following.

[0007] Thus, the pump device can receive water at an arbitrary position along the water supply groove without providing a joint structure for receiving the water, so that the fire extinguishing operation can be performed quickly and the structure of the pump car can be improved. Is simplified. The drive control of the bogie and the pump device may be remotely controlled from the operation room, or a fully automated control such as detecting a fire with a temperature sensor or the like, driving the bogie toward the fire, and supplying water. Mechanisms can also be incorporated.

According to a second aspect of the present invention, in the fire extinguishing system in a tunnel according to the first aspect, a guide rail portion for guiding the carriage is formed on a wall forming the water supply groove. is there. Thereby, the water supply groove and the guide rail portion are formed adjacent to each other with a simple structure. It is preferable that the water supply groove is formed such that the bogie travels at a position where the bogie does not interfere with a vehicle or the like traveling in the tunnel.

According to a third aspect of the present invention, there is provided a truck capable of running along a water supply groove installed in a tunnel along a longitudinal direction, and a fire extinguishing water mounted on the truck and supplied from the water supply groove. A pump device for pumping fire in a tunnel, comprising: a pump device for sucking up and blowing out to a required location.

[0010]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a conceptual diagram of the entire fire extinguishing system in a tunnel, FIG. 2 is an overall view of a fire extinguishing pump car, FIG. 3 is a side view of the fire extinguishing pump car, and FIG.

At a predetermined position outside the tunnel 10, a water supply facility 12 is provided. Examples of the method include a method using a water storage tank storing rainwater, a water storage tank pumping river water or the like by a pump, and a method of supplying water directly from a water pipe by a ball tap or the like. The water supply system 12 includes a tunnel 10
Monitor 14 for monitoring the state of the inside, control device 1
6. An operation room 18 provided with a power supply panel and the like is provided. The fire detector is provided at predetermined intervals in the tunnel 10, and the operation of the fire detector allows the operation room 18 to roughly know the position of the fire in the tunnel 10.

On the side wall 20 of the tunnel 10, the tunnel 1
A protruding ridge 22 extending along the long axis direction of 0 is formed. In this, a water supply groove 24 having a width of about 0.5 m and a depth of about 0.5 m is formed over substantially the entire length and opened upward by the side wall 20. It has become. The ridge portion 22 is provided at a high position so that the fire pump truck 26 does not interfere with the vehicle traveling in the tunnel 10. The water supply groove 24 is formed such that the inclination in one direction continues for a predetermined distance as much as possible in accordance with the undulation of the tunnel 10. A water supply pipe 34a, 34b,... Having a flow meter 30 and open / close valves 32a, 32b,... Extends from the water supply equipment 12, and is provided at a predetermined position of the water supply groove 24, that is, on a high side of a section in which the inclination in one direction continues. It is open.

In this example, the fire pump truck 26 is of a straddle type having a carriage 36 straddling the guide rail section 28, but may be of a suspension type suspended from the carriage 36. The fire pump truck 26 has wheels 38a, 38b, 38c, which contact the upper surface and both side surfaces of the guide rail portion 28.
Is built in the trolley 36, and an electric motor 42 for driving this via a bevel gear 40 as shown in FIGS. 3 and 4 is provided.

A fire extinguishing pump device 46 having a water suction pipe 44 opened in the water supply groove 24 is provided at an upper portion of the truck 36, and a jet nozzle 48 of the fire extinguishing nozzle 48 is provided by a pan / tilt control unit 50 provided on the inner surface of the truck 36. Its mounting direction is variable. A television camera 56 whose mounting direction is variable by a lighting facility 52 and a pan / tilt control unit 54 is provided on a side surface of the cart 36. In the upper part of the water supply groove 24,
A power supply for the fire extinguishing pump car 26 and a driving device for the pump device 46 to be loaded, facilities such as a lighting facility 52 and a television camera 56, or an overhead wire 5 for transmitting and receiving images and control signals.
8 are laid, and the carriage 36 has
A terminal board 62 is provided for connection through a zero. In the operation room 18, power and signals can be exchanged with the fire pump car 26 via the overhead wire 58 to control the fire pump car 26.

The operation of the fire extinguishing system configured as described above will be described. When a fire occurs and an alarm is emitted from a detector provided at a predetermined location in the tunnel 10, first, the fire pump truck 26 is rushed to the fire occurrence site by remote control. Since the water supply groove 24 is installed at a high position that does not interfere with the traveling vehicle in the tunnel 10, even if the inside of the tunnel 10 is in a state of traffic congestion, it is possible to quickly rush to the fire spot. In the remote operation, since the image from the television camera 56 can be monitored by the monitor television 14 to grasp the situation of the fire spot, the fire pump truck 26 can be moved to a position effective for fire extinguishing.

Simultaneously with the movement of the fire pump car 26, the operation panel of the control device 16 in the operation room 18 is operated to open the on-off valves 32a, 32b,. As a result, water is supplied from the water supply pipe to a predetermined section of the water supply groove 24, and a fire extinguishing water flow is formed in the groove.
The fire pump pump 26 sucks and pressurizes the fire water flowing through the water supply groove 24 by the loaded pump device 46 and jets the jet water from the jet nozzle 48 toward the fire occurrence location. In the operation room 18, the image of the television camera 56 is monitored to check whether the fire extinguishing water is effectively poured into the fire occurrence location, and the direction of the ejection nozzle 48 is adjusted by the pan / tilt control unit 50 as necessary.

From the fire extinguishing water supply system 12, the tunnel 10
If the output signal of the flow meter 30 that measures the flow rate in the water supply pipes 34a, 34b,... Reaching the water supply groove 24 in the inside is fed back to the controller 16, and the opening of the on-off valves 32a, 32b. There is no waste flow, and no fire extinguishing water flows out of the water supply groove 24.

If one section of the water supply groove 24 having the same inclination is very long, one water supply pipe 34a, 34b,... Is opened and water is supplied to this section. May overflow from the upper part of the water supply groove 24 into the inside of the tunnel 10. In this case, such inconvenience can be solved by providing the water supply pipes 34a, 34b,... So that the section of water supply with one water supply pipe 34a, 34b,.

[0019]

According to the present invention, the pump device can receive water at an arbitrary position along the water supply groove without providing a joint structure for receiving water, and the fire extinguishing operation can be performed quickly. In addition, the structure of the pump truck is simplified, and it is possible to travel at an appropriate position such as an upper portion of a wall in the tunnel. Accordingly, fire extinguishing activities can be performed quickly and effectively without being affected by the traffic volume in the tunnel. In addition, the safety of fire-fighting workers can be ensured by remote control.

[Brief description of the drawings]

FIG. 1 is a diagram showing an entire structure of a tunnel fire extinguishing system according to one embodiment of the present invention.

FIG. 2 is an overall view of a fire pump truck.

FIG. 3 is a side view of the fire pump truck.

FIG. 4 is a drive system diagram of wheels.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Tunnel 12 Water supply equipment 24 Water supply groove 26 Fire extinguishing pump car 28 Guide rail part 36 Dolly 46 Pump device

Claims (3)

[Claims] 1. A water supply groove provided at least partially in an upper surface installed along a longitudinal direction inside a tunnel, a water supply facility for supplying fire-extinguishing water to the water supply groove, and running along the water supply groove. A fire extinguishing system in a tunnel, comprising: a bogie; and a pump device mounted on the bogie and sucking up the fire extinguishing water from an opening of the water supply groove and jetting the water to a required location. 2. The fire extinguishing system in a tunnel according to claim 1, wherein a guide rail for guiding the bogie is formed on a wall forming the water supply groove. 3. A bogie that can run along a water supply groove installed along the longitudinal direction inside the tunnel, and is mounted on the bogie, and the fire extinguishing water is sucked up from the water supply groove and jetted to a required location. A fire pump truck in a tunnel, comprising: a pump device.