JPH10165537A - Automatic fire extinguishing equipment for dwelling house - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform installation to both of a detached house and an apartment and to thoroughly report a fire by making a repeater for a remote test command fire extinguisher discharge and report fire generation to the inside and outside of a house by fire sensing signals from a fire sensor installed to a fire extinguishment object small section inside the house and performing a fire sensor operation test from the outside. SOLUTION: When the fire sensing signals are originated from the fire sensor 1' of one of rooms to the repeater 3, fire generation signals are sent from the repeater 3 to a receiver 6 and a house information panel 4. At the time of receiving the fire sensing signals again after prescribed time, after about 20 seconds for instance, from the time of receiving the fire generation signals, the receiver 6 operates the activation device 10 of a nitrogen gas cylinder 9 for the first time and discharges a fire extinguisher. Then, also, an alarm is outputted from an alarm device and/or a centralized management room 11. Further, the house information panel 4 and an outdoor display device 12 also generate the alarm. Thus, the repeater capable of the operation test by a remote operation of the fire sensor without erroneous operations is installed outdoors.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic fire extinguishing system for a house, and particularly to an automatic fire extinguishing system for a house, which can be operated without any malfunction without any malfunction, and is suitable for an apartment house.

[0002]

2. Description of the Related Art Conventionally, as an automatic fire extinguishing system for a house, a closed fire extinguishing agent outlet is closed with a low melting point metal such as solder in each room which is a small section to be extinguished. There is a type in which a fire extinguishing agent discharge head is provided, the head and the fire extinguishing agent storage container are connected by a conduit, and the extinguishing agent pressurized in the storage container is filled in the conduit in advance. However, all were inferior in operation reliability. In the case of using an electric fire detector, the operation test of the detector has to be performed indoors of the house, which is a troublesome operation.

Further, in a large apartment house such as a condominium, a sprinkler system which requires installation of a water tank of, for example, 4000 liters or more is usually used. However, improvement is required in terms of space saving and cost. . In this type of sprinkler equipment, since water pressure is usually applied directly to the sprinkler head, water is continuously discharged only by operating the head due to fire heat. However, if the water is continuously discharged in this manner, a large amount of water (4000 liters or more in the above example) flows out, so that water damage has been a serious problem both in the house and the house downstairs.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above, and as a result of the examination, the above-mentioned problems have been solved. The equipment was developed.

That is, the automatic fire extinguishing system for houses of the present invention uses a fire detector that sends a fire detection signal to a remote test repeater installed outdoors and a low melting point metal to each fire extinguishing section in the house. A fire extinguishing agent discharge head with a closed fire extinguishing agent discharge port is installed, and when a fire detection signal is received from the remote test repeater when a fire detection signal is received, a fire restarts after a predetermined time has elapsed. When the occurrence signal is received, or when the fire occurrence signal is continuously received until a predetermined time elapses after receiving the first fire occurrence signal,
A receiving device is provided for sending the extinguishing agent in the extinguishing agent storage container to a conduit communicating with each extinguishing agent discharge head, and upon receiving a fire detection signal, receiving a fire occurrence signal transmitted from the remote test repeater. A house information panel for notifying the occurrence of a fire outdoors and indoors is provided indoors, and an operation test of a fire detector can be carried out by the remote test repeater.

[0006] The automatic fire extinguishing system for an apartment house according to the present invention comprises:
A repeater for remote testing is installed outdoors in each of a plurality of houses and communicates with a fire detector that sends a fire detection signal to the repeater in each fire extinguishing subdivision in each house and a selective on-off valve for each house. In addition, closed fire extinguishing agent discharge heads whose fire extinguishing agent discharge ports are closed using low-melting metal are installed, and when a fire detection signal is received, a fire occurrence signal transmitted from each remote test repeater is received. Provide a house information panel in each house indoors to notify the fire occurrence outside and inside each house, and for a predetermined time after receiving the fire occurrence signal transmitted from any of the remote test repeaters that received the fire detection signal When the fire occurrence signal is received again after the elapse, or when the fire occurrence signal is continuously received until a predetermined time elapses after receiving the first fire occurrence signal, the fire extinguishing agent in the fire extinguishing agent storage container is extinguished. For communicating the agent to each of the on-off valves. A receiving device is installed to open the selective opening / closing valve for the house provided with the remote test repeater which has received the fire detection signal and sent to the inside of the housing, and further performs the operation test of the fire detector in each house. It can be implemented by each remote test repeater. Furthermore, the plurality of houses are further divided into a plurality of blocks, and a block selection opening / closing valve communicating with the main conduit is installed for each block, and a receiving device that receives a fire occurrence signal from any one of the houses causes the house to be opened. An automatic fire extinguishing system for an apartment house characterized by opening a block selection on / off valve to which the unit belongs.
According to another aspect of the present invention, the receiving device does not receive the fire occurrence signal again after the predetermined time has elapsed, or does not continuously receive the fire occurrence signal until the predetermined time has elapsed. This is an automatic fire extinguishing system for houses that does not send out the fire extinguishing agent in the fire extinguishing agent storage container into the conduit when the fire extinguishing agent storage container is used.

[0007]

Embodiments of the present invention will be described below.

(Embodiment 1) FIG. 1 shows an automatic fire extinguishing system of the present invention for a single house. A constant-temperature fire detector (1) on the ceiling of each room as a fire extinguishing target compartment in a house, and a closed-type fire extinguisher discharge head (2) with a low-melting-point metal whose fire extinguisher discharge port is closed. Was installed. A fire detection signal from each of the fire detectors (1) is sent to a repeater (3) provided outdoors, and a fire occurrence signal is transmitted from the repeater (3) that receives the fire detection signal to an indoor house. It is sent to the information panel (4) and the receiving device (6) in the fire extinguishing unit (5) outdoors. The housing information panel (4) is also linked to an intercom, a gas detector, and the like.

A conduit (7) connected to each of the fire extinguishing agent discharge heads (2) is connected to a fire extinguishing agent storage container (8) in the fire extinguishing unit (5). Water containing an infiltrant as a fire extinguishing agent is stored in the storage container (8), and a separate high-pressure nitrogen cylinder (9) is opened to release pressurized nitrogen in the cylinder (9) into the storage container. By being introduced into (8), the extinguishing agent is pressurized and sent out into the conduit (7). The repeater (3) is electrically operated by remote control so that each fire detector (1) ...
This is a remote test repeater that can perform an operation test of.

In such a facility, first, a fire occurs in one of the rooms and the temperature around the fire detector (1 ') rises. The sensing signal is transmitted to the repeater (3). The repeater (3) that has received the sensing signal sends a fire occurrence signal to the receiving device (6) and the house information panel (4). The receiving device (6) is in a standby state for a predetermined time (for example, 20 seconds) from the time when the fire occurrence signal is received, and after the elapse of the time, the repeater () receiving the fire detection signal from the detector (1 ') again. Only when the receiving device (6) receives the fire occurrence signal from (3), the starting device (10) of the nitrogen cylinder (9) is operated to open the nitrogen cylinder (9) and open the storage container (8). The extinguishing agent in () is delivered into the conduit (7). At this time, in the case of an actual fire, the detector (1 ') in the room reacts, and the low melting point metal of the extinguishing agent discharge head (2') eventually melts due to fire heat,
Alternatively, the fire extinguishing agent discharge port is already open after being melted, and the fire extinguishing agent sent into the conduit (7) as described above is discharged from the discharge port of the opened fire extinguishing agent discharge head (2 ').

Then, when the receiving device receives the first fire occurrence signal, an alarm device connected to the receiving device (6) and / or a standby alarm is issued from the central control room (11). When the activation device (10) is activated, the alarm device and / or the central control room (11) issues this alarm. Also, a fire alarm is issued from the house information panel (4) that has received the fire occurrence signal and the outdoor indicator (12) connected thereto. The two-dot chain line in the figure indicates the indoor area of the house. In this embodiment, the fire extinguisher is water-based, but may be powder-based. At this time, the receiving device (6)
If the next fire occurrence signal is not received after the elapse of the above-mentioned standby state of 20 seconds, the starter (10) is not actuated as a fire or a malfunction.

According to such an automatic fire extinguishing system, there is less malfunction and, furthermore, since a repeater capable of operation test by remote control of the fire detector is installed outdoors, the detector can always be operated without entering the house. A test can be performed.

(Embodiment 2) Next, a description will be given of an example in which the above-mentioned automatic fire extinguishing system for a single house is applied to an apartment house having a large number of dwelling units. In FIG. 2, the following automatic fire extinguishing equipment was installed on each floor of a large-scale apartment house having a large number of dwellings on each floor. All the dwelling units on a certain floor are divided into two blocks, and each of the dwelling units belonging to one block (A) (B)... And each dwelling unit (a) of the other block (a). A constant-temperature fire detector (1) and a closed-type fire extinguishing agent discharge head (2) as shown in FIG. 1 were installed in each fire extinguishing target small section, and a house information panel (4) was installed at the same time.

Next, a fire detection signal from the fire detector (1) in each indoor (A)... (A) is transmitted to a remote test repeater (3A) (3B). , And from the repeater, a fire occurrence signal is sent to a receiving device (6). An indoor conduit (7-1) connected to each fire extinguishing agent discharge head (2) in each room is provided for each dwelling unit. Selectable on-off valve (13A) (13B)…
(13a) ..., and each selectable on / off valve is grouped for each block, and is connected to the block selectable on / off valves (14) (15) by block conduits (7-2), respectively, and then collectively the main conduit (16) To communicate with the fire extinguishing agent storage container (8) similar to FIG. Each of the selective on-off valves (13A)... (14) and (15) is normally closed, but is opened by an operation signal from the receiving device (6). (16) in the figure indicates a stop valve.

In such a fire extinguishing system, for example, when a certain fire detector (1 ') in a certain dwelling unit (A) detects fire heat, a detection signal is sent to a repeater (3A), and the repeater (3A) 3A) transmits a fire occurrence signal to the receiving device (6). The repeater (3A) continuously transmits a fire occurrence signal while continuously receiving the fire detection signal. When the receiving device (6) receives the fire occurrence signal for the first time and then continuously receives the fire occurrence signal for a predetermined time, the receiving device (6) communicates with the block selection opening / closing valve (14) on the side that first emits the signal. The opening / closing valve (13A) of the dwelling unit is opened, and subsequently, the starting device (10) of the high-pressure nitrogen cylinder (9) is operated. The fire extinguishing agent pressurized by the above operation passes from the main conduit (16) through one block selective on-off valve (14) to fill the inside of one block conduit (7-2). ) To fill the indoor conduit (7-1) of the dwelling unit. Therefore, when the fire extinguisher discharge head (2 ') of the fire extinguishing target small section where the fire detector (1') is installed senses the heat of the fire and the low melting point metal that has blocked the discharge port is melted, the fire extinguishing agent is released. Fire extinguisher will be released from the outlet. When the activation device (10) is activated, the receiving device (6) issues a fire alarm and / or notifies the central control room. A fire alarm is also issued from the house information panel (4A) and the outdoor indicator (12A) that have received the fire occurrence signal inside the dwelling unit. By using the remote test repeaters (3A) (3B) ... (3a) ..., it is possible to test the fire detectors inside each room from outside.

[0016]

As described above, according to the present invention, there is little malfunction as an automatic fire extinguishing system for a detached house, and an operation test of a fire detector can be performed from outside, so that it can be performed at any time even in an absence house. It does not bother the residents. The automatic fire extinguishing system for apartment houses can be installed simply by adding a selection valve system to the automatic fire extinguishing system for detached houses above. Since the unit can be installed, it is advantageous in terms of cost, space, etc., and since various types of fire extinguishing agents can be used, those which do not freeze like water even at a temperature of 0 ° C. or less can be selected. In addition to the normal alarm device, a housing information panel and the like are installed for each dwelling unit, so that fire notification is more thorough.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a first embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fire detector 2 Closed type fire extinguishing agent discharge head 3 Remote test relay 4 Residential information panel 5 Fire extinguishing unit 6 Receiving device 7 Conduit 7-1 Indoor conduit 7-2 Block conduit 8 Fire extinguisher storage container 9 High pressure nitrogen cylinder 10 Start Device 11 Alarm device and / or central control room 12 Outdoor indicator 13 Selectable on / off valve 14, 15 Block selectable on / off valve 16 Stop valve

Continued on the front page (51) Int.Cl. ⁶ Identification code FI G08B 17/00 G08B 17/00 EL

Claims (4)

[Claims] 1. A fire detector for sending a fire detection signal to a remote test repeater installed outdoors in each fire extinguishing subdivision in a house, and a fire extinguisher discharge port closed using a low melting metal. The fire extinguishing agent discharge heads are installed respectively, and when a fire occurrence signal transmitted from the remote test repeater is received when a fire detection signal is received, a fire occurrence signal is received again after a predetermined time has elapsed, or When the fire occurrence signal is continuously received until a predetermined time elapses after receiving the fire occurrence signal, the fire extinguishing agent in the fire extinguishing agent storage container is introduced into a conduit communicating with each fire extinguishing agent discharge head. A receiving device for transmitting the information is provided. When a fire detection signal is received, a fire information signal transmitted from the remote test repeater is received, and a house information panel for notifying the occurrence of the fire outdoors and indoors is provided indoors. Operation test An automatic fire extinguishing system for a house, which can be implemented by the remote test repeater. 2. A fire detector for installing a remote test repeater outdoors in each of a plurality of houses, sending a fire detection signal to the repeater in each fire extinguishing subdivision in each house, and selecting each house. A fire extinguishing agent that is connected to the on-off valve and that has a closed extinguishing agent discharge head whose low-melting-point metal is used to close the fire extinguishing agent discharge port is sent from each remote test repeater when a fire detection signal is received. Install a house information panel inside each house to receive a signal and notify the fire occurrence outside and inside each house, and receive a fire occurrence signal transmitted from any of the remote test repeaters that received the fire detection signal When a fire occurrence signal is received again after a lapse of a predetermined time, or when the fire occurrence signal is continuously received until a lapse of a predetermined time after the first fire occurrence signal is received, a fire extinguishing agent is used. Selectable open / close valve for fire extinguisher in storage container And a receiving device for transmitting the fire detection signal to the main conduit connected to the housing and opening a selective opening / closing valve for a house provided with a remote test repeater that has received the fire detection signal. An automatic fire extinguishing system for an apartment house, wherein an operation test can be carried out by each remote test repeater. 3. The plurality of houses according to claim 2 are further divided into a plurality of blocks, and a block selection opening / closing valve communicating with a main conduit is installed for each block, and a fire occurrence signal from any of the houses is provided. An automatic fire extinguishing system for an apartment house, wherein the receiving device that has received the signal also opens the block selectable on-off valve to which the house belongs. 4. The receiving apparatus according to claim 1, wherein the receiving apparatus does not receive a fire occurrence signal again after a predetermined time has elapsed, or continues to fire until the predetermined time has elapsed. An automatic fire extinguishing system for a house that does not cause the extinguishing agent in the extinguishing agent storage container to be sent out into the conduit when the generation signal is not continuously received.