JP3239357U - automatic fire extinguisher - Google Patents

Abstract

An automatic fire extinguishing device is provided in which a storage tank containing fire extinguishing fluid is installed indoors, and fire extinguishing fluid can be released to quickly extinguish the fire when a fire sensor detects a fire.
An automatic fire extinguishing device is a device for automatically extinguishing a fire that has broken out in a room. a fire sensor 8 that generates an electric signal when the fire is stopped, a water outlet 3 that is attached to the storage tank 1 and discharges the fire extinguishing liquid 2 into the room, a pump 4 that discharges the fire extinguishing liquid 2 from the water outlet 3, and a fire sensor A controller 7 is provided for controlling the fire extinguishing operation of operating the pump 4 according to the electric signal from 8 to discharge the fire extinguishing liquid 2 in the water storage tank 1 from the water outlet 3 .
[Selection drawing] Fig. 1

Description

TECHNICAL FIELD The present invention relates to an automatic fire extinguishing system in which a storage tank containing fire extinguishing fluid is installed in a room, and fire is extinguished when a fire detector detects a fire in the room.

Generally, when a fire breaks out in a house, a company, a hospital, etc., a powder-type or aerosol-type fire extinguisher is used to extinguish the fire. In public facilities, including companies and hospitals, fire-fighting sprinkler equipment is installed in the facility, and when a fire is detected by a fire sensor, fire-fighting water is emitted from the nozzle to extinguish the fire. I have to.

Powder-type and aerosol-type fire extinguishers installed in homes, companies, hospitals, etc. have a small capacity of about 1 liter of extinguishing agent, etc., and the continuous emission time is as short as about 9 seconds. Suitable for small initial fires, but may not be able to extinguish fires that spread over a wide area. In particular, when a fire breaks out in the vicinity of the doorway of an indoor room, there is a risk of a fatal accident because the escape route from the doorway to the outside of the room or the outdoors is cut off. In addition, when a fire near the doorway fills the room with carbon monoxide, the flow of air from the doorway is cut off, so there is a problem that carbon monoxide poisoning can lead to death.

The problem to be solved by the present invention is to provide an automatic fire extinguishing system in which a storage tank containing fire extinguishing fluid is installed indoors, and when a fire is detected by a fire detector, the fire extinguishing fluid is released to quickly extinguish the fire. to provide.

Therefore, an automatic fire extinguishing device according to the present invention is a device for automatically extinguishing a fire that has occurred in a room, comprising a storage tank installed in the room and containing a fire extinguishing liquid inside, and a fire in the room. a fire detector that generates an electric signal when detected; a water outlet attached to the storage tank that discharges the fire extinguishing liquid into the room; a pump that discharges the fire extinguishing liquid from the water outlet; and a controller for controlling a fire extinguishing operation of operating the pump according to an electric signal from a device to discharge the fire extinguishing liquid in the water storage tank from the water outlet.

Further, a fire extinguishing unit is configured by attaching the water outlet, the pump, and the controller to the storage tank, and the fire sensor is connected to the controller by wiring.

Furthermore, it is desirable to attach a battery as a power source for the controller and the pump.

Furthermore, the fire sensor is installed in the vicinity of the doorway in the room, and the water outlet is directed toward the doorway.

According to the automatic fire extinguishing device according to the present invention, a storage tank containing fire extinguishing fluid is installed indoors, and when a fire is detected by a fire detector, the extinguishing fluid is discharged, so that the fire can be quickly extinguished. Moreover, the storage tank can be installed even if the required space such as fixtures and passages to be placed in the room is secured, as long as it is a tank that can store fire extinguishing fluid, for example, from 50 liters to 200 liters. If it is a fire extinguishing fluid of a capacity, it will be possible to almost certainly extinguish the fire. In addition, since the configuration of the automatic fire extinguishing device is simple, the installation cost can be reduced and the installation can be done easily.

Further, by configuring a fire extinguishing unit by attaching a water discharge port, a pump and a controller to the storage tank, it can be conveniently installed at an appropriate place in the room. In addition, since the automatic fire extinguishing device can be installed by installing the fire detector at the necessary place and connecting it to the controller by wiring, the installation work can be performed without advanced technology.

Furthermore, by installing a battery as a power source for operating the controller and the pump, even if a power failure occurs due to a fire, the fire can be extinguished by the charged battery.

Furthermore, by installing a fire detector near the doorway of the room and arranging the water discharge port in the direction of the doorway, even if a fire breaks out near the doorway of the room, the fire sensor can detect it quickly. Fire can be extinguished. As a result, the doorway becomes passable and an evacuation route is secured, so that a person left behind in the room can be evacuated quickly and safely.

BRIEF DESCRIPTION OF THE DRAWINGS It is a front view which shows the structure of the automatic fire-extinguishing device in connection with this invention. It is a top view which shows the indoor which installed the automatic fire extinguishing device. FIG. 3 is a side view showing the interior shown in FIG. 2;

An automatic fire extinguishing device is a device for automatically extinguishing a fire that has occurred in a room. a fire sensor that generates a fire sensor, a water discharge port attached to the storage tank that discharges the fire extinguishing fluid into the room, a pump that discharges the fire extinguishing fluid from the water discharge port, and according to an electrical signal from the fire sensor and a controller for controlling a fire extinguishing operation of operating the pump to discharge the fire extinguishing liquid in the water storage tank from the water outlet.

An embodiment of the automatic fire extinguishing device of the present invention will be described in detail below with reference to the drawings. FIG. 1 shows the configuration of an automatic fire extinguishing system according to the present invention. A storage tank 1 for storing the fire extinguishing liquid 2 is a cubic container and is made of a fire-resistant metal plate such as stainless steel. The capacity of the fire extinguishing liquid 2 stored in the storage tank 1 is appropriately selected depending on the size of the indoor room and fire extinguishing efficiency, which will be described later, but is generally about 50 liters to 200 liters. The fire extinguishing fluid 2 is tap water, which is injected from the injection port 1a. A water pipe may be connected to the inlet 1a, and tap water may be injected when the amount of liquid is insufficient. In addition, in order to respond to A fire, which is a general ordinary fire that mainly burns solid materials such as paper, wood, fiber, and resin, and B fire, which is suitable for fires caused by oil and gasoline, water mixed with a wetting agent and reinforcing liquid If an aqueous solution of potassium carbonate is used as a fire-extinguishing agent, the fire-extinguishing effect can be enhanced.

A water discharge port 3 is installed in the storage tank 1 . This water discharge port 3 is connected by a pipe to a pump 4 installed in the storage tank 1 . This pump 4 is installed in a pump chamber 4a provided in the storage tank 1, but is installed in the storage tank 1 in the case of a submersible pump. From the water outlet 3, the fire extinguishing liquid 2 in mist form is discharged under pressure by the pump 4. - 特許庁In the illustrated embodiment, four water outlets 3 are installed to discharge the fire extinguishing liquid 2 over a wide range, but the number of water outlets 3 to be installed can be changed according to the size of the room. set. The direction of the extinguishing liquid 2 discharged from the water outlet 3 is preferably directed toward the doorway 6 of the room 5 as shown in FIG. In order to prevent the fire from being overheated and spreading, it is desirable to set the fire extinguishing liquid 2 to be sprayed not only in the direction of the doorway 6 but also in the direction of the ceiling. Therefore, the water outlet 3 can be freely changed to an arbitrary angle. again,

On the other hand, a controller 7 is installed on the side surface of the storage tank 1 . A fire sensor 8 is connected to the controller 7 by wiring. A commercial power source 9 is connected to the controller 7 and controls the pump 4 to operate based on an electrical signal sent from the fire sensor 8 . The controller 7 may have a function of detecting and displaying the water level of the fire extinguishing liquid 2 in the storage tank 1 .

As a power supply for the controller 7, in addition to the commercial power supply 9, it is desirable to install a battery 9a assuming a power outage due to a fire. The battery 9a is normally charged from the commercial power source 9, and is controlled by the controller 7 so as to switch to the power source of the battery 9a when a power failure occurs.

The storage tank 1, the water discharge port 3, the controller 7 and the battery 9a described above are configured as an integrated unit, and the controller 7 is connected to electric wires so that the fire detector 8 can be installed at an appropriate location. By constructing the automatic fire extinguisher unit in this way, it becomes possible to freely install it in a necessary place in the room.

The automatic fire extinguishing device constructed in this manner is installed in the room 5 shown in FIGS. This room 5 is a room in a building such as a residence, a company, a hospital, or a public facility. Furniture 11 such as an office desk is arranged in the room 5, for example. A doorway 6 is installed at a predetermined position in the room 5. - 特許庁Stairs 12 or corridors, for example, are installed outside the doorway 6 .

The installation position of the automatic fire extinguishing device is arranged so that the water outlet 3 is directed toward the entrance 6. - 特許庁The fire detector 8 is installed on the ceiling near the doorway 6 of the room 5. - 特許庁When a fire breaks out in the vicinity of the doorway 6 of the room 5, the heat of the flame 13 rises and an electric signal is generated from the fire sensor 8 and sent to the controller 7. - 特許庁The controller 7 operates the pump 4 to discharge the fire extinguishing liquid 2 in the storage tank 1 from the water outlet 3 . As a result, the fire extinguishing liquid 2 in the form of a mist is discharged from the water discharge port 3 to the flame 13 to cool the flame 13 and to extinguish the flame 13 with the enhanced liquid extinguishing agent. By discharging the extinguishing liquid 2 toward the ceiling in addition to the fire near the entrance 6, the temperature rise of the ceiling is suppressed and the spread of the fire is prevented.

By extinguishing the fire in the vicinity of the doorway 6 of the room 5 in this way, the person 14 can escape to the outside through the doorway 6 as shown in FIG. In addition, when a plurality of water outlets 3 are installed in the storage tank 1, the extinguishing liquid 2 can be discharged over a wide range, so that even if the position of the flame 13 is different, the flame 13 can be extinguished reliably. Even if there is no emergency exit other than the doorway 6 as shown in the room 5 and the fire near the doorway 6 cuts off the escape route, the automatic fire extinguishing system according to the present invention can be installed at the water outlet 3 as described above. By arranging it so that it is directed in the direction of the doorway 6, it is possible to quickly evacuate, and by opening the doorway 6, it is possible to prevent, for example, a fatal accident due to carbon monoxide poisoning. becomes.

In FIG. 2, the automatic fire extinguishing device according to the present invention is installed in the vicinity of the window 15 provided at the back of the room 5. As shown in FIG. The configuration of this automatic fire extinguishing device is similar to that described above. Also, the fire sensor 8 is installed on the ceiling near the window 15 . If a fire breaks out near the window 15, the fire may fill the room 5 with carbon monoxide gas and cause death if the window 15 is closed. In this case, the fire detector 8 senses the occurrence of a fire, the pump 4 is operated by the controller 7, and the fire extinguishing solution 2 in the storage tank 1 is discharged from the water discharge port 3, thereby discharging the fire extinguishing solution 2 from the water discharge port 3. This will allow the fire to be extinguished quickly. As a result, by opening the window 15, carbon monoxide gas can be released from the window 15 and air can be taken in from the outside, so that carbon monoxide poisoning can be prevented.

Although the present invention has been specifically described above based on the embodiments, it goes without saying that the present invention is not limited to the above embodiments and can be variously modified without departing from the gist of the invention. In the above-described embodiments, the structure and shape of the storage tank and water outlet may be changed as appropriate.

1 storage tank 2 fire extinguishing liquid 3 water outlet 4 pump 5 room 6 doorway 7 controller 8 fire detector 9 commercial power supply 9a battery 13 flame 14 people

Claims (4)

A device for automatically extinguishing a fire in a room,
A storage tank installed in the room and containing fire extinguishing fluid therein;
a fire detector that generates an electrical signal when detecting a fire in the room;
a water discharge port attached to the storage tank for discharging the fire extinguishing liquid into the room; and a pump for discharging the fire extinguishing liquid from the water discharge port;
a controller for controlling a fire extinguishing operation in which the pump is operated according to an electrical signal from the fire sensor to discharge the fire extinguishing liquid in the water storage tank from the water outlet;
automatic fire extinguishing system. 2. The automatic fire extinguishing system according to claim 1, wherein a fire extinguishing unit is formed by attaching said water outlet, said pump and said controller to said storage tank, and said fire sensor is connected to said controller by wiring. 3. The automatic fire extinguishing system according to claim 1, further comprising a battery for power supply of said controller and said pump. 3. An automatic fire extinguishing system according to claim 1, wherein said fire detector is installed near an entrance in said room, and said water outlet is directed toward said entrance.

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