JP3464532B2 - Fire extinguishing equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire extinguishing facility, and more particularly, to a fire extinguishing facility for a tower-type mechanical parking structure.

[0002]

2. Description of the Related Art Sprinkler fire extinguishing equipment, foam fire extinguishing equipment, or gas type fire extinguishing equipment such as halon gas or carbon dioxide gas is used as conventional fire extinguishing equipment for a multi-storey car park.

[0003]

However, in the case of a sprinkler fire extinguishing system, it is necessary to disperse a large number of sprinkler heads in the tower, and piping for connecting the large number of sprinkler heads to a water supply source such as a water tank. In addition, a pressurizing pump that supplies a large amount of water to a high place is required, and the construction and maintenance and inspection thereof are troublesome and expensive. Have difficulty.

Further, the foam fire extinguishing equipment is excellent in that the foam has fluidity and can cover the entire fire vehicle with the foam, but on the other hand, like the sprinkler fire extinguishing equipment, it has many foams. In addition to requiring a head, long pipes, and a pressure pump, the foam stock solution must be regularly replaced, which is troublesome to maintain.

Further, in the case of a gas-type fire extinguishing facility, the gas easily diffuses and must be released all over the tower, which requires a large amount of gas, and its maintenance is troublesome. There is a problem that it is necessary to increase the airtightness of the tower in order to prevent gas from escaping to the outside.

[0006]

SUMMARY OF THE INVENTION In view of the above points, the present invention has an object to provide a fire extinguishing system suitable for a mechanical type multi-storey parking lot such as a tower type or an underground type. A fixed point for extinguishing a fire is provided in a mechanical multi-storey parking lot, and a discharge nozzle for discharging the fire extinguishing liquid into a mist having a particle size of several tens of microns to 100 microns is provided at the fixed point for extinguishing the fire. A high-pressure pump is provided between the discharge nozzle and a water supply source such as a water tank to supply the extinguishing liquid from the water supply source to the discharge nozzle under high pressure.

Further, in the mechanical parking lot, one or a plurality of fire detectors and a fire position discrimination for identifying a parking position of a fire vehicle based on fire information output from the one or a plurality of fire detectors. Means and a fire vehicle movement control means for controlling the vehicle carrying device by the discrimination output of the first discrimination means to move the fire vehicle to the fixed point for extinguishing fire.

[0008]

Further, the fire extinguishing fixed point is provided at a loading / unloading portion of a parking vehicle in the mechanical parking lot or an uppermost portion in the mechanical parking lot.

[0010]

The high-pressure pump is a plunger pump.

Further, the water supply source is a cylinder storing a fire extinguishing liquid.

[0013]

[0014]

A fire-extinguishing fixed point is provided in a mechanical parking lot for parking a plurality of vehicles, and the fire-extinguishing liquid is discharged in the form of mist with a particle diameter of several tens of microns to 100 microns. A discharge nozzle is provided, and a high-pressure pump for supplying a high pressure of the fire extinguishing liquid from the water supply source to the discharge nozzle is provided between the discharge nozzle and a water supply source such as a water tank. The liquid is made into mist-like fine particles and is discharged to the fixed point for fire extinguishing, and the discharged mist-like fine particles float in the air for a long time to fill the fixed point for extinguishing the fire and efficiently extinguish the fire vehicle. Moreover, since the fire extinguishing liquid of mist-like fine particles is suspended in the air to extinguish the fire, the fire can be extinguished with a small amount of water for extinguishing as compared with the conventional sprinkler fire extinguishing equipment.

In the mechanical multi-storey car park, one or a plurality of fire detectors, and a fire position discriminating means for identifying the parking position of the fire vehicle based on the fire information output from the one or a plurality of fire detectors. In addition, by providing the fire vehicle movement control means for controlling the vehicle transport device to move the fire vehicle to the fixed point for extinguishing fire by the discrimination output of the fire position discrimination means, a fire occurs in the parked vehicle. A fire is immediately detected when it occurs, and the fire vehicle is automatically moved to the fire extinguishing fixed point, so that the fire is extinguished immediately by the mist-like fine particles at the fire extinguishing fixed point.

Since the fixed point for extinguishing the fire is provided at the loading / unloading portion of the parking vehicle in the mechanical parking lot, installation work and maintenance / inspection can be easily performed. In addition, the fire brigade who rushed by the report can easily work.

Further, since the fixed point for extinguishing fire is provided at the uppermost part in the mechanical parking lot, the atomized fine particles of the fire extinguishing liquid discharged gradually fall in the parking lot, so that the mist is falling. The fine particles in the area also cover the parked vehicles below the fire vehicle and prevent burning.

By using a plunger pump as the high-pressure pump, the pump can be downsized regardless of the toss required for high pressure, and the installation space is small. Therefore, it can be easily installed in an existing mechanical parking lot. You can

By using the cylinder storing the fire extinguishing liquid as the water supply source, it is not necessary to provide a new water pipe, the installation work is simplified, and the measures against freezing in the winter season are simplified.

Since the cylinder can be provided in the vicinity of the plunger pump, the plunger pump and the tank can be made into a unit, and its handling becomes convenient.

..

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the fire extinguishing equipment according to the present invention will be described with reference to the drawings.

FIG. 1 is a schematic cross-sectional view of a tower type multi-storey car park as an example of a mechanical multi-storey car park. 10 is a main body surrounded by an outer wall of the tower multi-storey car park, 11 is a lower part of the main body 10. A vehicle entrance / exit serving as a carry-in / out section of the parked vehicle 12 and an uppermost section 13 in the main body 10.

Reference numeral 21 is a lift for mounting a plurality of parked vehicles 12 provided in the main body, 22 is a connecting chain for connecting the plurality of lifts 21, 23 is a motor for driving the chain 22, and 24 is a control panel. Lift 21, chain 22,
The motor 23 and the control panel 24 constitute the vehicle transfer device 20 of the parked vehicle 12.

Reference numeral 31 is a plurality of discharge nozzles for a fire extinguishing liquid provided in the main body 10 of the vehicle entrance / exit 11 which is an example of a fixed point for extinguishing a fire, 32 is a plunger pump as an example of a high pressure pump, and 33 is a supply of the fire extinguishing liquid. A cylinder storing a predetermined amount of water, for example, 50 liters of fire extinguishing water as a fire extinguishing liquid, which is an example of a water source, and 34 is a storage box in which the plunger pump 32 and the cylinder 33 are stored. It should be noted that the plunger pump 32 and the cylinder 33 may be separately installed without forming a unit, and water such as a strengthening liquid to which an additive is added may be used as the fire extinguishing liquid.

Reference numeral 41 denotes a main body 10 as an example of a fire detector.
A heat-sensitive optical fiber provided in the inside in the vertical direction, 5
1 is connected to the output of the optical fiber 41, outputs a command to move the lift 21 equipped with a fire vehicle to the control panel 24 to the vehicle entrance / exit 11 part which is the fixed point for extinguishing the fire, and the plunger pump 32 when the fire occurs. In the fire monitoring board to be driven, the heat-sensitive optical fiber (fire detector) 41 and the fire monitoring board 51 are an example of a fire position determining means.

FIG. 2 is a system diagram, 34 is a pipe connecting the plurality of discharge nozzles 31 and the plunger pump 32, 35 is a pipe connecting the plunger pump 32 and the cylinder 33, and 52.
Is a control line connecting the fire monitoring panel 51 and the plunger pump 32, and 53 is a signal line connecting the fire monitoring panel 51 and the control panel 24.

FIG. 3 shows an example of the discharge nozzle 31 for discharging the fire-extinguishing liquid supplied from the water supply source, for example, the fire-extinguishing water stored in the cylinder 33 into fine particles having a particle size of several tens of microns to 100 microns. , (1) discharge nozzle 3
1 is a deflector-type discharge nozzle in which a J-shaped deflector 63 is provided in front of a small hole 62 for discharging the fire-extinguishing liquid provided in the main body 61, and the discharge nozzle 31 in (2) is the fire-extinguishing liquid of the main body 64. A spiral 6 having a through hole 67 in the center and a swirling groove 68 in the peripheral wall in a flow path 66 connected to the discharge hole 65.
9 is a spiral discharge nozzle.

Next, the operation of this embodiment will be described.

When a fire occurs in the parked vehicle 12, the heat of the fire causes the heat-sensitive optical fiber 41 to reflect the light incident from the primary side at the portion that receives the heat and receive the reflected light. The fire monitoring panel 51 determines the parking position of the fire vehicle 12 by measuring the light receiving time, and outputs a command signal to the control panel 24 to move the fire vehicle to the vehicle entrance / exit 11 part, that is, the fixed point for fire extinguishing. . Upon receiving the command signal, the control panel 24 drives the motor 23 to move the lift 21 carrying the fire vehicle 12 to the vehicle entrance / exit 11. Further, the fire monitoring board 51 drives the plunger pump 32. The plunger pump 32 supplies the fire extinguishing water stored in the cylinder 33 to the plurality of discharge nozzles 31 at a high pressure of, for example, 30 kg and at a rate of, for example, 10 liters / minute.

Discharge nozzle 3 supplied with high-pressure fire extinguishing water
1, the fire extinguishing water supplied at a high pressure is atomized by a deflector 63 or a spiral 69 into a mist having a particle size of about 100 μm or less, for example, about 50 μm, and is discharged to a fixed fire extinguishing point in the vehicle entrance / exit 11 part. The mist-like fire extinguishing water discharged from the discharge nozzle 31 floats in the vehicle entrance / exit 11 which is a fixed point for extinguishing the fire, and the vehicle entrance / exit 11 is filled with the floating mist-like fire extinguishing water.

As a result, the entire circumference of the fire vehicle 12 is covered with water for extinguishing fire, and the fire is extinguished due to the cooling effect and the blocking effect. Further, since the vehicle entrance / exit 11 where the fire vehicle 12 is located, that is, the fixed point for extinguishing fire is covered with mist-like water for extinguishing heat, heat transmission due to the fire of the fire vehicle 12 is blocked, so that another vehicle parked Can prevent damage.

In this embodiment, since the plunger pump 32 and the cylinder 33 are housed in the storage box 34 to form a unit, the storage box 34 is installed beside the parking lot body 10 and the vehicle entrance / exit 11 part which is a fixed point for extinguishing fire. Since the discharge nozzle 31 may be installed in the container and the discharge nozzle 31 and the storage box 34 may be connected by the pipe 34, the installation work is simple, and even if there is no water supply facility such as the water supply facility water pipe, the water supply facility is newly installed. It can be installed without providing.

In the above embodiment, the case where the fixed point for extinguishing fire is provided in the lower part of the parking lot has been described, but it may be provided in another place, for example, the uppermost part 13 instead of the lower part. When the fixed point for extinguishing fire is provided at the top, the mist-like water that is released and floats gradually falls from the fixed point for extinguishing fire and covers the parked vehicle below the fixed point for extinguishing fire to prevent burning. To prevent. In this case, if the plunger pump is provided in the vicinity of the fixed point for extinguishing the fire, the pressure loss due to the piping can be reduced, so that the plunger pump can be made small.

In the above embodiment, the case of the tower type parking lot has been described, but the parked vehicle is mounted on a movable pallet, and the pallet is moved to a predetermined parking position by an elevator that moves up, down, left and right, and the pallet is moved. The same applies to the case of a mechanical parking lot provided on the ground or underground where vehicles on pallets are moved and parked. In this case, when a fire occurs in a parked vehicle, the pallet equipped with the fire vehicle moves to a fire extinguishing fixed point provided at, for example, the entrance / exit of the vehicle or the top of the vehicle, and the discharge is installed at the fire extinguishing fixed point. The mist of fire extinguishing water is discharged from the nozzle, and the mist of fire extinguishing liquid is used to cover and extinguish a fire vehicle.

Further, in the above embodiment, the case where the cylinder storing a predetermined amount of fire extinguishing liquid is used as the water supply source has been described, but a water tank may be used instead of the cylinder. In this case, a water supply valve such as a float valve may be provided in the water tank so that water is automatically supplied from, for example, the water supply when the water in the water tank is reduced during fire extinguishing.

Further, in the above embodiment, a small plunger pump is used as the high pressure pump in order to make the unit compact, but other types of high pressure pumps may be used.

[0037]

According to the present invention, a fixed point for extinguishing a fire is provided in a mechanical type parking lot for parking a plurality of vehicles, and the extinguishing liquid has a particle size of several tens of microns to 100 microns. Since a discharge nozzle that discharges in the form of a mist having a diameter is provided, and between the discharge nozzle and a water supply source such as a water tank, a high-pressure pump that supplies high pressure to the fire extinguishing liquid of the water supply source to the discharge nozzle is provided. When a fire occurs, the fire extinguishing liquid, for example, fire extinguishing water, is atomized into fine particles and discharged to a fixed point for extinguishing, and the discharged fine particles float in the air for a long time to fill the fixed point for extinguishing fire. In addition to efficiently extinguishing a fire vehicle, it also has the effect of preventing heat from the vehicle fire from propagating to structures such as steel frames and concrete in parking lots and structures such as outer walls. Moreover, since the fire extinguishing water of mist-like fine particles is suspended in the air to extinguish the fire, there is an effect that the fire can be extinguished with a small amount of the fire extinguishing water as compared with the conventional sprinkler fire extinguishing equipment.

Further, in the mechanical multi-storey parking lot, one or a plurality of fire detectors, and a fire position discrimination for specifying a parking position of a fire vehicle based on fire information output from the one or a plurality of fire detectors. Means and the fire vehicle movement control means for moving the fire vehicle to the fire extinguishing fixed point by controlling the vehicle transport device based on the discrimination output of the fire position discrimination means. As soon as a fire occurs, the fire is detected and the fire vehicle is automatically moved to the fire extinguishing fixed point, so that the fire extinguishing can be promptly extinguished by the mist-like fine particles.

Since the fixed point for extinguishing fire is provided at the loading / unloading portion of the parking vehicle in the mechanical parking lot, installation work and maintenance / inspection can be easily performed. In addition, the fire brigade who rushed by the report can work easily because of the cooling effect of the mist-like extinguishing liquid.

Since the fixed point for extinguishing fire is provided at the uppermost part in the mechanical parking lot, the atomized fine particles of the fire extinguishing liquid discharged gradually fall in the parking lot. The fine particles in the area also cover the parked vehicle below the fire vehicle, which is effective in preventing burning.

Further, by using a plunger pump as the high-pressure pump, the pump can be downsized regardless of the need for high pressure, and the installation space is small, so that it can be easily installed in an existing mechanical parking lot. There is an effect that can be installed.

Further, by using the cylinder storing the fire extinguishing liquid as the water supply source, it is not necessary to provide a new water pipe, and the installation work can be simplified and the measures against freezing in winter can be simplified. is there.

Further, since the cylinder can be provided in the vicinity of the plunger pump, the plunger pump and the tank can be a unit, and there is an effect that the handling becomes convenient.

[Brief description of drawings]

FIG. 1 is a schematic cross-sectional view of a tower type multi-storey car park as an example of a mechanical multi-storey car park provided with a fire extinguishing facility according to the present invention.

FIG. 2 is a system diagram of one embodiment of a fire extinguishing facility according to the present invention.

FIG. 3 is an example of a discharge nozzle that discharges a fire-extinguishing liquid supplied from a water supply source in the form of atomized fine particles having a particle size of several tens of microns to 100 microns, and (1) is a deflector-type discharge nozzle. , (2) are spiral type discharge nozzles.

[Explanation of symbols]

10 is a main body of a tower type multi-storey parking lot as an example of a mechanical multi-storey parking lot, 11 is a vehicle loading / unloading part as an example of a fixed point for fire extinguishing, 12 is a parked vehicle, 21 is a lift for mounting a parked vehicle, and 22 is a plurality of vehicles. A chain for connecting the lifts 21 of the vehicle, 23 is a motor, 24 is a control panel, 31 is a discharge nozzle for extinguishing liquid, 32 is a plunger pump as an example of a high-pressure pump, 33 is a cylinder as an example of a water supply source, 34 Is a storage box containing a plunger pump and a cylinder, 41 is a heat-sensitive optical fiber as an example of a fire detector, 51 is a fire monitoring panel, 61 and 64 are discharge nozzle main bodies, and 62 is a discharge nozzle for extinguishing liquid for extinguishing fire. Small holes 62, 63 of the discharge nozzle deflector, 65 a discharge nozzle extinguishing liquid discharge hole, 66 a discharge nozzle flow path, 67 a discharge nozzle through hole, 68 Is a swirl groove of the discharge nozzle, and 69 is a spiral of the discharge nozzle.

Claims (2)

(57) [Claims] 1. A fire extinguishing fixed point is provided at the top of a mechanical multi-story car park for parking a plurality of vehicles, and a fire extinguishing liquid having a particle diameter of about 50 to 100 microns is provided at the extinguishing fixed point. A discharge nozzle that discharges in a shape of, and a high-pressure pump that supplies the discharge nozzle with a high pressure of the fire extinguishing liquid of the water supply source between the discharge nozzle and a water supply source such as a water tank. A fire vehicle moving means for moving to a fire extinguishing fixed point is provided, and when a parked vehicle has a fire, the fire vehicle is moved to the fire extinguishing fixed point by the fire vehicle moving means, and the fire extinguishing liquid is atomized from the discharge nozzle. Then, the fixed point for fire extinguishing is discharged and the fixed point is filled with mist-like fine particles, and due to the gradual drop of the mist-like fine particles of the discharged fire-extinguishing liquid, parking in a parking lot below the fixed point for extinguishing fire is carried out. Fire extinguishing equipment, characterized in that the vehicle is also covered with mist-like particles. 2. The high-pressure pump is a plunger pump, the water supply source is a cylinder for storing a fire-extinguishing liquid provided in the vicinity of the plunger pump, and the plunger pump and the cylinder are provided in the vicinity of the fire-extinguishing fixed point. The fire-extinguishing equipment according to claim 1, wherein the fire-extinguishing equipment is provided.