JP3941004B2 - Sprinkler device for small buildings such as houses - Google Patents

Sprinkler device for small buildings such as houses Download PDF

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JP3941004B2
JP3941004B2 JP2002263481A JP2002263481A JP3941004B2 JP 3941004 B2 JP3941004 B2 JP 3941004B2 JP 2002263481 A JP2002263481 A JP 2002263481A JP 2002263481 A JP2002263481 A JP 2002263481A JP 3941004 B2 JP3941004 B2 JP 3941004B2
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Prior art keywords
pipe
fire extinguishing
sprinkler
extinguishing liquid
control valve
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JP2004097503A (en
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徳満 射場
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徳満 射場
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Description

【0001】
【発明の属する技術分野】
本発明は住宅等小規模建築物用スプリンクラー装置に関するものである。
【0002】
【従来の技術】
従来、予作動式スプリンクラー設備配管の二次側を圧縮空気又は不活性ガスで充填していたが予作動弁に死水が出来る為、住宅等小規模建築物用スプリンクラー装置としては水道直圧式は、出来なかった。また、予作動式又はスプリンクラー装置はアラーム弁又は予作動弁により加圧送水を制御するため災害時等水道水や電気の供給が遮断されれば機能しない物の為、加圧送水装置や発電装置が必要であった。
【0003】
前記以外の従来装置において、貯水タンクに炭酸ガス圧をかけ配管に常時加圧するもので炭酸ガスも放出されるため住宅等小規模建築物用スプリンクラー装置には問題があった。
【0004】
【発明が解決しようとする課題】
本発明が解決しようとする課題は、電気、水道が遮断されても初期消火可能とする点、及び結露、凍結を起こさないようにする点、また水道直圧が利用出来るようにする点を技術解決課題とするものである。
【0005】
本発明はこのような事情に鑑みなされたものであって、消火液配管内にある一定量の消火液で効率の良い消火をする為、作動用の圧縮空気又は不活性ガスの圧力でウォーターミストを利用する。又、スプリンクラー配管を感知管として併用し感知用の圧縮空気又は不活性ガスを使用する。及び水道水に死水の出来ない切替制御弁(給水制御弁に同じ)を利用するものである。
【0006】
【課題を解決するための手段】
本発明は、スプリンクラー回路に供給する圧力水の給水源として一般水道給水を用いるスプリンクラー装置において、
スプリンクラー装置の感知管内に感知用の圧縮空気又は不活性ガスを充填し、火災感知によるスプリンクラーヘッドの開放動作で圧力低下と連動して開く圧力制御弁により、作動用の不活性ガス又は圧縮空気の開閉をコントロールし、消火液配管へ加圧動作することにより消火液配管内に充填してある消火液をスプリンクラーヘッドに送り放射するようにした住宅等小規模建築物用スプリンクラー装置である。
【0007】
その特徴構成は、水道管と蛇口の間に設けた給水制御弁(8)と、
前記給水制御弁(8)から通水用逆止弁(13)を介して末端のスプリンクラーヘッド(3)に配設したスプリンクラー配管(1)と、
前記給水制御弁(8)から起動用逆止弁(11)を介して前記スプリンクラー配管(1)の下流側管路途中に管接続した感知管(14)と、
前記感知管(14)の管路途中から分岐し、圧力制御弁(2)を介して消火液を貯留保持するための消火液配管(6)を設け、かつ、該消火液配管(6)の一部から延設され消火液放出用逆止弁(12)を介してスプリンクラー配管(1)の上流側管路途中に管接続した消火液放出配管(4)と、
前記圧力制御弁(2)を介して併設され、空気又は不活性ガスを圧縮貯留した作動ガスボンベ(5)と、
前記消火液放出配管(4)から分岐して設けられ、該配管内の作動ガスを外部開放するための自動ガス抜き弁(7)
を具備したものである。
【0008】
ここで、スプリンクラーヘッド(3)は公知の閉鎖式ヘッドであって、火災時の熱により閉鎖手段が破壊されて開放状態となるものである。また、給水制御弁(8)は水道管と蛇口の間に配置した切替制御弁である。
【0009】
そして、感知管( 14 )内に感知用の圧縮空気又は不活性ガスを充填し、火災感知による前記スプリンクラーヘッド(3)の開放動作で圧力低下と連動して開く圧力制御弁(2)により、作動用の不活性ガス又は圧縮空気の開閉をコントロールし、消火液配管(6)へ加圧動作することにより該消火液配管(6)内に充填してある消火液をスプリンクラーヘッド(3)に送り放射して初期消火をおこなう。
【0010】
次いで、不活性ガス又は圧縮空気の圧力が低下することによって、給水制御弁(8)の切替動作でスプリンクラー配管(1)への水道給水を開始する。
【0011】
このようにして2段階の消火動作をおこなうようにしている。
【0012】
【実施例】
本発明の一実施例である住宅等小規模建築物用スプリンクラー装置〔以下、実施例装置。〕を添付図面(図1)に基づいて以下説明する。
【0013】
図1に実施例装置の配管構成を説明する系統図を示すように、作動ガスボンベ(5)には圧縮空気又は不活性ガスが充填され、圧力制御弁(2)に接続して開閉制御されている。また圧力制御弁(2)には、平常時に、感知管(14)及びスプリンクラー配管(1)に圧縮空気又は不活性ガスを充填してコントロール圧力がかけてあり、コントロール圧力が高い時は作動ガスボンベ(5)は閉止状態となる。ここで、起動用逆止弁(11)は順圧開通状態にあり、消火液放出用逆止弁(12)及び通水用逆止弁(13)は逆圧閉止状態となっている。
【0014】
火災時に、スプリンクラーヘッド(3)が熱破壊して開放状態となることにより、感知管(14)とスプリンクラー配管(1)の管内圧力(コントロール圧力)が低下すると、この減圧変動により、圧力制御弁(2)の開動作を誘起する。すなわち、初期消火動作を起動する。
【0015】
そして、圧力制御弁(2)の開動作(開制御)により閉止状態を解かれた作動ガスボンベ(5)から作動ガスの高い圧力が消火液配管(6)内(の消火液)にかかることにより、消火液配管(6)に充填してある消火液が消火液放出配管(4)より吐出する。
【0016】
消火液の吐圧(送給圧力)により消火液放出用逆止弁(12)が開動作し、消火液はスプリンクラー配管(1)へ放出される。
【0017】
この時、水道メーター(9)と蛇口(10)の間に設置された給水制御弁(8)も切替動作となり、水道水が通水用逆止弁(13)まで供給されるが、スプリンクラー配管(1)内の消火液放出圧力が高いため通水用逆止弁(13)は逆圧閉止状態となる。同時的に、感知管(14)とスプリンクラー配管(1)との間に介在する起動用逆止弁(11)も逆圧閉止状態となる。
【0018】
こうして、消火液が消火液放出配管(4)より消火液放出用逆止弁(12)を通過してスプリンクラー配管(1)を圧送されスプリンクラーヘッド(3)より放射される〔初期消火〕。
【0019】
そして、消火液配管(4)内の消火液が無くなると自動ガス抜き弁(7)の液面が下がり作動ガスボンベ(5)より加圧された消火液配管(6)内の作動ガスが放出されスプリンクラー配管(1)内の差圧も無くなる。
【0020】
この時、通水用逆止弁(13)で閉止されていた水道水は、スプリンクラー配管(1)内の圧力低下により通水状態となる。水道水の送水により消火液放出用逆止弁(12)と起動用逆止弁(11)は閉動作し、水道水はスプリンクラー配管(1)を通りスプリンクラーヘッド(3)より散水される〔追加スプリンクラー動作〕。なお、一連の動作の各圧力は標準で、水道水圧0.3MPaから0.5MPa、ガスボンベ圧1MPaから5MPa、感知管コントロール圧0.2MPaから0.8MPaとするのが好ましい。
【0021】
【発明の効果】
以上説明したように本発明のスプリンクラー装置は、水道水が遮断されていても消火液による初期消火が可能である。初期消火が終了した場合でも水道水が遮断されていなければ、追加スプリンクラー動作となるので、2段階で消火動作可能である。また、平常時にスプリンクラー配管内(及び感知管内)を乾式保持しているので、凍結や結露の機器対策が不要であり、よって新築はもちろん既設建築物への設備対応が容易である。
【図面の簡単な説明】
【図1】 実施例装置の配管構成を説明する系統図である。
【符号の説明】
スプリンクラー配管
2 圧力制御弁
3 スプリンクラーヘッド
消火液放出配管
5 作動ガスボンベ
消火液配管
7 自動ガス抜き弁
8 給水制御弁
9 水道メーター
10 蛇口
11 起動用逆止弁
12 消火液放出用逆止弁
13 通水用逆止弁
14 感知管
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a sprinkler device for a small-scale building such as a house.
[0002]
[Prior art]
Conventionally, the secondary side of pre-actuated sprinkler equipment piping has been filled with compressed air or inert gas, but dead water can be produced in the pre-actuated valve, so as a sprinkler device for small buildings such as houses, I could not do it. Also, pre-actuated or sprinkler devices control pressurized water supply with an alarm valve or pre-actuated valve, so they do not function if the supply of tap water or electricity is interrupted in the event of a disaster. Was necessary.
[0003]
In the conventional apparatus other than the above, since the carbon dioxide gas pressure is applied to the water storage tank and the pipe is constantly pressurized, carbon dioxide gas is also released, so there is a problem in the sprinkler device for small-scale buildings such as houses.
[0004]
[Problems to be solved by the invention]
The problem to be solved by the present invention is that the initial fire extinguishing is possible even when electricity and water are shut off, the point that condensation and freezing do not occur, and the point that the direct water pressure can be used. It is a problem to be solved.
[0005]
The present invention has been made in view of such circumstances, and in order to perform efficient fire extinguishing with a certain amount of fire extinguishing liquid in the fire extinguishing liquid piping, water mist with the pressure of compressed air for operation or inert gas is used. Is used. Also, a sprinkler pipe is used as a sensing pipe, and sensing compressed air or inert gas is used. In addition, a switching control valve (same as the water supply control valve) that does not allow dead water to be used for tap water is used.
[0006]
[Means for Solving the Problems]
The present invention relates to a sprinkler device using general water supply as a supply source of pressure water supplied to a sprinkler circuit.
The pressure control valve that fills the sensing tube of the sprinkler device with sensing compressed air or inert gas and opens in conjunction with the pressure drop when the sprinkler head is opened due to fire detection is used to control the working inert gas or compressed air. This is a sprinkler device for a small-scale building such as a house which controls the opening and closing and pressurizes the fire extinguishing liquid pipe to send and radiate the fire extinguishing liquid filled in the fire extinguishing liquid pipe to the sprinkler head.
[0007]
The characteristic configuration is a water supply control valve (8) provided between the water pipe and the faucet ,
A sprinkler pipe (1) disposed on the terminal sprinkler head (3) from the water supply control valve (8) through a water check valve (13);
A sensing pipe (14) connected from the water supply control valve (8) through the check valve (11) for starting to the downstream side of the sprinkler pipe (1);
A fire extinguishing liquid pipe (6) for branching off from the middle of the pipe of the sensing pipe (14) and storing and holding the fire extinguishing liquid via the pressure control valve (2) is provided, and the fire extinguishing liquid pipe (6) A fire extinguishing liquid discharge pipe (4) extending from a part and connected to the upstream side of the sprinkler pipe (1) via a fire extinguishing liquid discharge check valve (12);
A working gas cylinder (5) that is provided via the pressure control valve (2) and compresses and stores air or an inert gas;
An automatic degassing valve (7) provided to branch off from the fire extinguishing liquid discharge pipe (4) and for opening the working gas in the pipe to the outside
Is provided.
[0008]
Here, the sprinkler head (3) is a known closed head, and the closing means is destroyed by the heat at the time of a fire and is opened. The water supply control valve (8) is a switching control valve arranged between the water pipe and the faucet.
[0009]
Then, the pressure control valve (2) filled with compressed air or inert gas for sensing in the sensing tube ( 14 ) and opened in conjunction with the pressure drop by the opening operation of the sprinkler head (3) by fire detection, The opening and closing of the inert gas or compressed air for operation is controlled, and the extinguishing liquid filled in the extinguishing liquid pipe (6) is applied to the sprinkler head (3) by pressurizing the extinguishing liquid pipe (6). Send out radiation and perform initial fire fighting.
[0010]
Next, when the pressure of the inert gas or the compressed air decreases, the water supply control valve (8) starts the water supply to the sprinkler pipe (1) by the switching operation.
[0011]
In this way, a two-stage fire extinguishing operation is performed.
[0012]
【Example】
A sprinkler device for a small-scale building such as a house which is an embodiment of the present invention [hereinafter, an embodiment device. ] Will be described below with reference to the attached drawing (FIG. 1).
[0013]
As shown in a system diagram for explaining the piping configuration of the embodiment apparatus in FIG. 1, the working gas cylinder (5) is filled with compressed air or inert gas, and connected to the pressure control valve (2) to be opened and closed. Yes. The pressure control valve (2) is normally filled with compressed air or inert gas in the sensing pipe (14) and sprinkler pipe (1), and a control pressure is applied. When the control pressure is high, a working gas cylinder is used. (5) is closed. Here, the check valve for start (11) is in a normal pressure open state, and the check valve for discharging the fire extinguishing liquid (12) and the check valve for water flow (13) are in a reverse pressure closed state .
[0014]
In a fire, by sprinkler head (3) is opened by thermal breakdown, the pipe pressure sensing tube (14) and the sprinkler pipe (1) (control pressure) is reduced by the vacuum fluctuations, the pressure control valve The opening operation of (2) is induced. That is, the initial fire extinguishing operation is started.
[0015]
Then, the high pressure of the working gas is applied to (in the fire extinguishing liquid) in the fire extinguishing liquid pipe (6) from the working gas cylinder (5) which is released from the closed state by the opening operation (opening control) of the pressure control valve (2). The fire-extinguishing liquid filled in the fire-extinguishing liquid pipe (6) is discharged from the fire-extinguishing liquid discharge pipe (4).
[0016]
The fire-extinguishing liquid discharge check valve (12) opens the fire-extinguishing liquid discharge check valve (12), and the fire-extinguishing liquid is discharged to the sprinkler pipe (1).
[0017]
At this time, the water supply control valve (8) installed between the water meter (9) and the faucet (10) is also switched and tap water is supplied to the check valve (13) for water flow. Since the fire-extinguishing liquid discharge pressure in (1) is high, the water check valve (13) is in the counter-pressure closed state. At the same time, the activation check valve (11) interposed between the sensing pipe (14) and the sprinkler pipe (1) is also in the back pressure closed state.
[0018]
Thus, the fire extinguishing liquid passes through the fire extinguishing liquid discharge check valve (12) from the fire extinguishing liquid discharge pipe (4), is pumped through the sprinkler pipe (1), and is emitted from the sprinkler head (3) [initial fire extinguishing].
[0019]
When the fire extinguishing liquid in the fire extinguishing liquid pipe (4) runs out, the liquid level of the automatic gas vent valve (7) falls and the working gas in the fire extinguishing liquid pipe (6) pressurized from the working gas cylinder (5) is released. The differential pressure in the sprinkler pipe (1) is also eliminated.
[0020]
At this time, the tap water that has been closed by the water check valve (13) becomes a water flow state due to a pressure drop in the sprinkler pipe (1). Start check valve and check valve for extinguishing fluid discharge (12) by the water supply tap water (11) is closing operation, tap water is sprinkled from the through sprinkler head sprinkler pipe (1) (3) [Additional Sprinkler operation]. In addition, each pressure of a series of operation | movement is standard, and it is preferable to set it as tap water pressure 0.3MPa to 0.5MPa, gas cylinder pressure 1MPa to 5MPa, and sensing pipe control pressure 0.2MPa to 0.8MPa.
[0021]
【The invention's effect】
As described above, the sprinkler device of the present invention can perform initial fire extinguishing with a fire extinguishing liquid even when tap water is shut off. Even if the initial fire extinguishing is completed, if the tap water is not shut off, an additional sprinkler operation is performed, so that the fire extinguishing operation can be performed in two stages. Further, since the inside of the sprinkler pipe (and the inside of the sensing pipe) is kept dry at normal times, it is not necessary to take measures against freezing and dew condensation.
[Brief description of the drawings]
FIG. 1 is a system diagram illustrating a piping configuration of an example apparatus.
[Explanation of symbols]
1 sprinkler pipe 2 pressure control valve 3 sprinkler head 4 fire extinguishing liquid discharge pipe 5 working gas cylinder 6 fire extinguishing liquid pipe 7 automatic degassing valve 8 water supply control valve 9 water meter
10 Faucet
11 Check valve for starting
12 Check valve for fire extinguishing liquid discharge
13 Check valve for water flow
14 sensing tubes

Claims (2)

スプリンクラー回路に供給する圧力水の給水源として一般水道給水を用いるスプリンクラー装置において、
スプリンクラー装置の感知管内に感知用の圧縮空気又は不活性ガスを使用し、火災感知によるスプリンクラーヘッドの開放動作で圧力低下と連動して開く圧力制御弁により、作動用の不活性ガス又は圧縮空気の開閉をコントロールし、消火液配管へ加圧動作することにより消火液配管内に充填してある消火液をスプリンクラーヘッドに送り放射するようにした住宅等小規模建築物用スプリンクラー装置であって、
水道管と蛇口の間に設けた給水制御弁(8)と、
前記給水制御弁(8)から通水用逆止弁(13)を介して末端のスプリンクラーヘッド(3)に配設したスプリンクラー配管(1)と、
前記給水制御弁(8)から起動用逆止弁(11)を介して前記スプリンクラー配管(1)の下流側管路途中に管接続した感知管(14)と、
前記感知管(14)の管路途中から分岐し、圧力制御弁(2)を介して消火液を貯留保持するための消火液配管(6)を設け、かつ、該消火液配管(6)の一部から延設され消火液放出用逆止弁(12)を介してスプリンクラー配管(1)の上流側管路途中に管接続した消火液放出配管(4)と、
前記圧力制御弁(2)を介して併設され、空気又は不活性ガスを圧縮貯留した作動ガスボンベ(5)と、
前記消火液放出配管(4)から分岐して設けられ、該配管内の作動ガスを外部開放するための自動ガス抜き弁(7)
を具備したことを特徴とする住宅等小規模建築物用スプリンクラー装置。
In a sprinkler device using general water supply as a supply source of pressure water supplied to the sprinkler circuit,
Using the compressed air or inert gas for sensing in the sensing tube of the sprinkler device, and the pressure control valve that opens in conjunction with the pressure drop when the sprinkler head opens due to fire detection, the inert gas or compressed air for operation A sprinkler device for small-scale buildings such as houses that controls opening and closing and pressurizes the fire extinguishing liquid piping to send and radiate the fire extinguishing liquid filled in the fire extinguishing liquid piping to the sprinkler head,
A water supply control valve (8) provided between the water pipe and the faucet ;
A sprinkler pipe (1) disposed on the terminal sprinkler head (3) from the water supply control valve (8) through a water check valve (13);
A sensing pipe (14) connected from the water supply control valve (8) through the check valve (11) for starting to the downstream side of the sprinkler pipe (1);
A fire extinguishing liquid pipe (6) for branching off from the middle of the pipe of the sensing pipe (14) and storing and holding the fire extinguishing liquid via the pressure control valve (2) is provided, and the fire extinguishing liquid pipe (6) A fire extinguishing liquid discharge pipe (4) extending from a part and connected to the upstream side of the sprinkler pipe (1) via a fire extinguishing liquid discharge check valve (12);
A working gas cylinder (5) that is provided via the pressure control valve (2) and compresses and stores air or an inert gas;
An automatic degassing valve (7) provided to branch off from the fire extinguishing liquid discharge pipe (4) and for opening the working gas in the pipe to the outside
A sprinkler device for small-scale buildings such as houses.
スプリンクラー回路に供給する圧力水の給水源として一般水道給水を用いるスプリンクラー装置において、
水道管と蛇口の間に設けた給水制御弁(8)と、
前記給水制御弁(8)から通水用逆止弁(13)を介して末端のスプリンクラーヘッド(3)に配設したスプリンクラー配管(1)と、
前記給水制御弁(8)から起動用逆止弁(11)を介して前記スプリンクラー配管(1)の下流側管路途中に管接続した感知管(14)と、
前記感知管(14)の管路途中から分岐し、圧力制御弁(2)を介して消火液を貯留保持するための消火液配管(6)を設け、かつ、該消火液配管(6)の一部から延設され消火液放出用逆止弁(12)を介してスプリンクラー配管(1)の上流側管路途中に管接続した消火液放出配管(4)と、
前記圧力制御弁(2)を介して併設され、空気又は不活性ガスを圧縮貯留した作動ガスボンベ(5)と、
前記消火液放出配管(4)から分岐して設けられ、該配管内の作動ガスを外部開放するための自動ガス抜き弁(7)を具備し、
前記感知管( 14 )内に感知用の圧縮空気又は不活性ガスを使用し、火災感知による前記スプリンクラーヘッド(3)の開放動作で圧力低下と連動して開く前記圧力制御弁(2)により、作動用の不活性ガス又は圧縮空気の開閉をコントロールし、前記消火液配管(6)へ加圧動作することにより該消火液配管(6)内に充填してある消火液をスプリンクラーヘッド(3)に送り放射して初期消火をおこない、次いで不活性ガス又は圧縮空気の圧力が低下することによって、前記給水制御弁(8)の切替動作で前記スプリンクラー配管(1)への水道給水を開始する2段階の消火動作をおこなうようにしたことを特徴とする住宅等小規模建築物用スプリンクラー装置。
In a sprinkler device using general water supply as a supply source of pressure water supplied to the sprinkler circuit,
A water supply control valve (8) provided between the water pipe and the faucet ;
A sprinkler pipe (1) disposed on the terminal sprinkler head (3) from the water supply control valve (8) through a water check valve (13);
A sensing pipe (14) connected from the water supply control valve (8) through the check valve (11) for starting to the downstream side of the sprinkler pipe (1);
A fire extinguishing liquid pipe (6) for branching off from the middle of the pipe of the sensing pipe (14) and storing and holding the fire extinguishing liquid via the pressure control valve (2) is provided, and the fire extinguishing liquid pipe (6) A fire extinguishing liquid discharge pipe (4) extending from a part and connected to the upstream side of the sprinkler pipe (1) via a fire extinguishing liquid discharge check valve (12);
A working gas cylinder (5) that is provided via the pressure control valve (2) and compresses and stores air or an inert gas;
An automatic degassing valve (7) for branching from the fire-extinguishing liquid discharge pipe (4) and opening the working gas in the pipe to the outside ;
By using the compressed air or inert gas for sensing in the sensing pipe ( 14 ), the pressure control valve (2) opened in conjunction with the pressure drop by the opening operation of the sprinkler head (3) by fire detection, By controlling the opening and closing of the inert gas or compressed air for operation and pressurizing the fire extinguishing liquid pipe (6), the fire extinguishing liquid filled in the fire extinguishing liquid pipe (6) is supplied to the sprinkler head (3). The water supply is radiated to perform initial fire extinguishing, and then the pressure of the inert gas or compressed air decreases, whereby the water supply control valve (8) starts the water supply to the sprinkler pipe (1) by the switching operation 2 A sprinkler device for a small-scale building such as a house, characterized by performing a fire extinguishing operation in stages .
JP2002263481A 2002-09-10 2002-09-10 Sprinkler device for small buildings such as houses Expired - Fee Related JP3941004B2 (en)

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JP5908831B2 (en) * 2010-04-06 2016-04-26 泰熙 射場 Fire extinguishing equipment for small buildings
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