JPH06105924A - Sprinkler fire extinguishing equipment - Google Patents
Sprinkler fire extinguishing equipmentInfo
- Publication number
- JPH06105924A JPH06105924A JP4258625A JP25862592A JPH06105924A JP H06105924 A JPH06105924 A JP H06105924A JP 4258625 A JP4258625 A JP 4258625A JP 25862592 A JP25862592 A JP 25862592A JP H06105924 A JPH06105924 A JP H06105924A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pressure
- fire extinguishing
- pipe
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、スプリンクラ消火設備
に関する。FIELD OF THE INVENTION The present invention relates to a sprinkler fire extinguishing facility.
【０００２】[0002]
【従来の技術】スプリンクラ消火設備は、従来から開放
型、閉鎖型の湿式や乾式等の種々のシステム系統が利用
されている。2. Description of the Related Art For sprinkler fire extinguishing equipment, various system systems such as open type, closed type wet and dry type have been conventionally used.
【０００３】従来、閉鎖型スプリンクラ消火設備では、
各警戒地区に設けた閉鎖型スプリンクラヘッドの端末ま
で加圧水を常時充填しておくものであり、火災検出と同
時に散水動作をとることができ、最も一般的な、ビル等
に用いられる設備である。Conventionally, in the closed type sprinkler fire extinguishing equipment,
This is the most common equipment used in buildings, etc., because it is always filled with pressurized water up to the terminal of the closed type sprinkler head provided in each warning area, and it can take a watering action at the same time as a fire is detected.
【０００４】[0004]
【発明が解決しようとする課題】閉鎖型スプリンクラ消
火設備は、配管の端末まで加圧水が常時充填されている
ので、物が当たる等による事故でスプリンクラヘッドが
開放してしまったときには、加圧された消火水が大量に
放出されるとともに火災でないことを確認してポンプを
停止するまでの間、散水が続けられ、大きな水損事故と
なってしまう。In the closed-type sprinkler fire extinguishing equipment, pressurized water is constantly filled up to the end of the pipe, so when the sprinkler head is opened due to an accident such as hitting something, it is pressurized. A large amount of fire extinguishing water is discharged, and until the pump is stopped after confirming that it is not a fire, water sprinkling continues, resulting in a large water damage accident.
【０００５】以上の点は、建物が高くなるほど大きな問
題となる。即ち、最上階に必要な圧力を供給すると、そ
の下方の階においては、下へ行くほど高い水圧になる。
そして、散水の際には高圧に伴う大量の散水を行ってし
まう。The above problems become more serious as the building becomes taller. That is, when the necessary pressure is supplied to the uppermost floor, the water pressure becomes higher in the lower floors as it goes downward.
When water is sprayed, a large amount of water is sprayed due to the high pressure.
【０００６】本発明は、このような従来のスプリンクラ
消火設備の問題を解決することを目的とし、スプリンク
ラヘッドの動作とともに消火に効率のよい圧力での消火
水の放出が可能であり、スプリンクラヘッドが衝撃等に
より開放した場合にも高圧による大量の放水はなく、手
動操作により放水停止が行え、しかも、設備構成も簡単
で安価なスプリンクラ消火設備を提供するものである。[0006] The present invention aims to solve the problems of the conventional sprinkler fire extinguishing equipment, and it is possible to discharge the fire extinguishing water at a pressure effective for extinguishing the fire with the operation of the sprinkler head. Even if it is opened due to a shock or the like, a large amount of water is not discharged due to high pressure, the water discharge can be stopped by a manual operation, and the equipment configuration is simple and inexpensive sprinkler fire extinguishing equipment is provided.
【０００７】[0007]
【課題を解決するための手段】本発明は、上記の点に鑑
み、警戒地区に、複数の閉鎖型スプリンクラヘッドと、
開放弁が設けられ、開放弁の一次側配管が消火水供給手
段に、二次側配管がスプリンクラヘッドに、それぞれ接
続されたスプリンクラ消火設備において、開放弁は、警
戒地区に設けられた放水停止スイッチの操作により、二
次側配管への消火水の流路を閉止する遮断手段を有する
ことを特徴とするものである。SUMMARY OF THE INVENTION In view of the above points, the present invention provides a plurality of closed sprinkler heads in a warning area.
In a sprinkler fire extinguishing system in which an open valve is installed, the primary side pipe of the open valve is connected to the fire extinguishing water supply means, and the secondary side pipe is connected to the sprinkler head, the open valve is the water discharge stop switch provided in the warning area. It is characterized in that it has a shutoff means for closing the flow path of the fire extinguishing water to the secondary side pipe by the operation of.
【０００８】[0008]
【作用】本発明による放水停止は、警戒地区に設けられ
た放水停止スイッチの操作により、開放弁を閉止するの
で、わざわざ警戒地区以外の例えば建物の地下などに設
けられているポンプの場所まで行き、直接ポンプを停止
する必要はない。また、開放弁の元弁を閉鎖するため
に、通常位置表示のされていない開放弁の位置を探す必
要はない。In the water discharge stop according to the present invention, the open valve is closed by the operation of the water discharge stop switch provided in the warning area. Therefore, it is necessary to go to the place of the pump provided outside the warning area, for example, in the basement of the building. , There is no need to stop the pump directly. In addition, it is not necessary to search for the position of the open valve, which is not normally displayed, in order to close the original valve of the open valve.
【０００９】[0009]
【実施例】以下、本発明の一実施例について、図面を用
いて説明する。図１は、本発明を利用したスプリンクラ
消火設備の系統図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a system diagram of a sprinkler fire extinguishing facility using the present invention.
【００１０】警戒地区の天井に設けられる閉鎖型のスプ
リンクラヘッド１は、二次側配管２を介して建物の各階
毎に設置されている開放弁３の二次側４に接続され、開
放弁３の一次側５は、一次側配管６と元弁７を介して消
火水供給手段としての加圧送水装置８に接続されてい
る。この加圧送水装置８は、同図で図示されているポン
プ９と、電路により受信盤１０に接続されたモータ１１
等の他、図示されていない通常の逆止弁や圧力空気槽等
を備えていて、水源１２の消火水を加圧供給するもので
ある。The closed-type sprinkler head 1 provided on the ceiling of the caution area is connected to the secondary side 4 of the open valve 3 installed on each floor of the building through the secondary side pipe 2, and the open valve 3 The primary side 5 is connected to a pressurized water supply device 8 as a fire extinguishing water supply means via a primary side pipe 6 and a main valve 7. This pressurized water supply device 8 includes a pump 9 shown in the figure and a motor 11 connected to a receiving board 10 by an electric path.
In addition to the above, an ordinary check valve (not shown), a pressure air tank, and the like are provided, and the fire extinguishing water from the water source 12 is supplied under pressure.
【００１１】通常では閉鎖状態であり、二次側配管２内
の減圧時に開放状態にされる開放弁３には、二次側配管
２への通水を試験する試験手段２０と、一次側配管６の
消火水を所定圧に減圧調整して二次側配管２に少流量に
て供給するための調圧手段３０と、開放弁３の急速閉鎖
を行う遮断手段５０と、二次側配管２内の圧力余剰分を
排水する排水手段６０等をユニット７０として形成し、
このユニット７０内に配線される電路を外部の信号線と
接続する接続端子部７１もこのユニット７０内に設けて
ある。The opening valve 3 which is normally closed and is opened when the pressure in the secondary pipe 2 is depressurized includes a test means 20 for testing water passage to the secondary pipe 2 and a primary pipe. 6, pressure control means 30 for reducing the pressure of the fire-extinguishing water to a predetermined pressure and supplying it to the secondary side pipe 2 at a small flow rate, shut-off means 50 for rapidly closing the opening valve 3, and secondary side pipe 2 The drainage means 60 and the like for draining the pressure surplus inside is formed as a unit 70,
A connection terminal portion 71 for connecting an electric path wired in the unit 70 to an external signal line is also provided in the unit 70.
【００１２】試験手段２０は、電動式の遠隔操作試験弁
２１と、スプリンクラヘッド１の１個分の排水をする１
個試験弁２２と、スプリンクラヘッド１の５個分等を排
水する大型試験弁２３とを有している。これらの弁の一
次側は、二次側配管２から分岐された配管２４に並列に
設けられ、二次側は、排水管２５に接続されている。The test means 20 drains one sprinkler head 1 from an electrically operated remote operated test valve 21.
It has an individual test valve 22 and a large test valve 23 for draining five sprinkler heads 1 and the like. The primary side of these valves is provided in parallel with the pipe 24 branched from the secondary side pipe 2, and the secondary side is connected to the drain pipe 25.
【００１３】遠隔操作試験弁２１は、受信盤１０からの
信号により遠隔的に操作することが可能であり、二次側
配管２内の減圧により開放弁３が開放し、後述する圧力
スイッチ７４からの信号が得られるかどうかを確認でき
る。１個試験弁２２は、その場でヘッド１個分の放水を
行え、そのときの圧力状態を圧力計７２、７３により確
認でき、開放弁３の動作が正常であることを確認でき
る。大型試験弁２３は、１個試験弁２２に比べて、大量
の消火水を放出することができ、複数ヘッドの同時開放
の場合の供給能力を確認することができる。また、放水
量が変わっても二次側配管２内が調圧されていることを
確認できる。これらの弁は目的や機能が異なり、試験手
段２０としては、その試験する目的に応じ必要な弁が設
けられていればよく、また、兼用するように構成しても
よい。The remote-controlled test valve 21 can be remotely operated by a signal from the receiving board 10, and the release valve 3 is opened by the pressure reduction in the secondary side pipe 2, and the pressure switch 74 described later is used. You can check whether the signal of is obtained. The one-piece test valve 22 can discharge water for one head on the spot, the pressure state at that time can be confirmed by the pressure gauges 72 and 73, and it can be confirmed that the operation of the open valve 3 is normal. The large-scale test valve 23 can discharge a large amount of fire extinguishing water as compared with the single-piece test valve 22, and can confirm the supply capacity in the case of simultaneous opening of a plurality of heads. Moreover, it can be confirmed that the pressure inside the secondary pipe 2 is regulated even if the amount of water discharged changes. These valves have different purposes and functions, and the test means 20 may be provided with necessary valves according to the purpose of the test, or may be configured to be used in combination.
【００１４】調圧手段３０は、二次側配管２の二次圧を
配管３１によりその操作室３２に導入し、開放弁３の一
次側５からの配管３３から一次圧を取り込み、フラム３
４とばね３５の調圧作用により弁体３６の開度調整を行
って、配管３７により開放弁３のシリンダ３８へその一
次圧を導入する調圧弁４０により構成されている。The pressure adjusting means 30 introduces the secondary pressure of the secondary side pipe 2 into the operating chamber 32 through the pipe 31, takes in the primary pressure from the pipe 33 from the primary side 5 of the opening valve 3, and the flam 3
4 and a spring 35 to adjust the opening degree of the valve element 36, and a pipe 37 is used to introduce a primary pressure of the primary pressure into the cylinder 38 of the release valve 3.
【００１５】この調圧弁４０は、火災時に開放弁３を開
放させる機能を有している。即ち、配管３１により操作
室３２に導入された二次側配管２内の圧力が所定圧より
も低いときは、フラム３４とばね３５の調圧作用により
弁体３６が開動作して、配管３３、３７を介して一次圧
が徐々にシリンダ３８内に導入され、ピストン４１が押
し上げられて（図面左方向）、連動する弁体４３が開放
される。二次側配管２内の圧力が所定圧よりも高いとき
は、フラム３４とばね３５の調圧作用により弁体３６が
閉動作して、一次圧の流入量が減少し、シリンダ３８内
が減圧してピストン４１が下がり（図面右方向）連動す
る弁体４３が閉動作する。The pressure regulating valve 40 has a function of opening the open valve 3 in the event of a fire. That is, when the pressure in the secondary pipe 2 introduced into the operation chamber 32 by the pipe 31 is lower than the predetermined pressure, the valve body 36 is opened by the pressure regulating action of the flam 34 and the spring 35, and the pipe 33 is opened. , 37, the primary pressure is gradually introduced into the cylinder 38, the piston 41 is pushed up (left direction in the drawing), and the interlocking valve element 43 is opened. When the pressure in the secondary side pipe 2 is higher than a predetermined pressure, the valve body 36 is closed due to the pressure regulating action of the flam 34 and the spring 35, the inflow amount of the primary pressure is reduced, and the pressure in the cylinder 38 is reduced. Then, the piston 41 is lowered (to the right in the drawing), and the valve body 43 that is interlocked is closed.
【００１６】このようにして開放弁３の開度調整が行わ
れ、二次圧を消火動作に適した所定圧、例えば二次側直
近３．５ kg/cm2 に調圧する。また、開放弁３のシリン
ダ３８は、ピストン４１の小孔４２を介して配管４４に
より二次側配管２へ連通されている。これにより、二次
側配管２内は、調圧弁４０の開放時に昇圧するので、常
時調圧弁４０の調圧作用により所定の圧力に保持され、
二次側配管２の温度変化等による圧力降下時に少量の一
次圧補給を行う。このとき、開放弁３は開放せず開放信
号はでない。同時に、ピストン４１の背面に圧力が流入
して弁体４３の摺動が緩慢になるので、調圧作用が行い
やすい効果がある。In this way, the opening degree of the open valve 3 is adjusted, and the secondary pressure is regulated to a predetermined pressure suitable for the fire extinguishing operation, for example 3.5 kg / cm 2 in the immediate vicinity of the secondary side. Further, the cylinder 38 of the release valve 3 is connected to the secondary side pipe 2 by the pipe 44 through the small hole 42 of the piston 41. As a result, the pressure inside the secondary pipe 2 is increased when the pressure regulating valve 40 is opened, so that the pressure is constantly maintained at a predetermined pressure by the pressure regulating action of the pressure regulating valve 40.
A small amount of primary pressure is replenished when the pressure drops due to temperature change of the secondary side pipe 2. At this time, the open valve 3 does not open and there is no open signal. At the same time, the pressure flows into the back surface of the piston 41 and the sliding of the valve body 43 becomes slow, so that the pressure adjusting action is easily performed.
【００１７】従って、火災が発生してスプリンクラヘッ
ド１が開放するときには、直ちに消火活動に適した所定
圧の放水が可能であり、二次側配管２内の減圧に伴い、
調圧弁４０の作用により開放弁３が開放し、その弁体４
３の開度が調整されることにより、二次側配管２へは、
消火活動に適した所定圧の消火水が供給される。Therefore, when a sprinkler head 1 is opened due to a fire, it is possible to immediately discharge water at a predetermined pressure suitable for fire extinguishing activities, and as the pressure in the secondary pipe 2 is reduced,
The release valve 3 is opened by the action of the pressure regulating valve 40, and the valve body 4 thereof is opened.
By adjusting the opening degree of 3 to the secondary side pipe 2,
Extinguishing water of a predetermined pressure suitable for fire fighting activities is supplied.
【００１８】遮断手段５０は、スプリンクラヘッド１が
衝撃等によって開放してしまった場合に散水を停止させ
るためのものであり、具体的には、調圧弁４０から開放
弁３のシリンダ３８につながる配管３７に設けられた常
時開状態にある電動弁５１である。この電動弁５１は、
受信盤１０からの信号をモーター等により構成されてい
る電動部５２が受け、この電動部５２の作用により弁５
１を閉止できる構成となっている。即ち、スプリンクラ
ヘッド１の誤動作の場合に、監視区域に設けられる放水
停止スイッチ５３を操作することにより、受信盤１０を
介して電動部５２へ閉止信号を送出することができる。
電動部５２は、その信号を受けて弁５１を閉動作し、そ
の結果、シリンダ３８内が小孔４２を介して減圧され、
開放弁３は閉鎖される。The shut-off means 50 is for stopping the water sprinkling when the sprinkler head 1 is opened due to an impact or the like, and more specifically, a pipe connecting the pressure regulating valve 40 to the cylinder 38 of the opening valve 3. The electrically operated valve 51 provided in 37 is in a normally open state. This motor operated valve 51
A signal from the receiving board 10 is received by an electric part 52 composed of a motor and the like, and the valve 5 is operated by the electric part 52.
1 can be closed. That is, in the case of malfunction of the sprinkler head 1, by operating the water discharge stop switch 53 provided in the monitoring area, a closing signal can be sent to the electric section 52 via the receiving board 10.
The electric section 52 receives the signal and closes the valve 51, and as a result, the pressure in the cylinder 38 is reduced through the small hole 42.
The open valve 3 is closed.
【００１９】この電動弁５１の位置は、配管３７に介在
する必要はなく、シリンダ３８への加圧を遮断できれば
別の位置で構わない。また、一次圧を利用した加圧開の
弁を用いてもよい。そして、開放弁３に所謂減圧開型の
弁を使用する場合には、電動弁がシリンダ内の減圧を遮
断することは勿論である。更に、電動弁の位置は、開放
弁３の弁体４３の開閉に係わらず、直接一次側配管６ま
たは二次側配管２、即ちスプリンクラヘッド１の一次側
に介在させてもよく、例えば元弁７を電動弁で構成して
も同様の作用をなす。The position of the motor-operated valve 51 need not be interposed in the pipe 37, and may be another position as long as the pressure applied to the cylinder 38 can be shut off. Alternatively, a pressure-opening valve that uses the primary pressure may be used. When a so-called decompression open type valve is used as the release valve 3, it goes without saying that the electrically operated valve shuts off the decompression in the cylinder. Furthermore, the position of the motor-operated valve may be directly interposed on the primary side pipe 6 or the secondary side pipe 2, that is, the primary side of the sprinkler head 1, regardless of whether the valve body 43 of the opening valve 3 is opened or closed. Even if 7 is constituted by a motor-operated valve, the same operation is performed.
【００２０】排水手段６０は、二次側配管２から分岐さ
れた配管２４に試験手段２０と並列に設けられ、排水管
２５に接続されている排水弁６１により構成されてい
る。排水弁６１は、配管２４から操作室６２に導入した
二次圧がフラム６３とばね６４にて設定される許容圧
（消火活動に適した所定圧を僅かに越える圧力）を越え
るときに弁体６５が開動作し、余分な二次圧を排水管２
５に排出し、二次圧を所定の消火活動に適した圧力に維
持する。従って、開放弁３の弁体４３が不意に大きく開
放してしまい、二次側配管２内へ高圧の一次圧が大量に
流入して二次圧が必要以上高くなったとしても、排水弁
６１が二次圧の過剰を検知し、二次圧を所定圧まで減圧
させる。この排水弁６１は、ばね６４等の作用により開
放する弁であるが、電気的に二次圧に対して開動作を行
う弁であってよい。The drainage means 60 is provided in a pipe 24 branched from the secondary side pipe 2 in parallel with the test means 20, and comprises a drainage valve 61 connected to the drainage pipe 25. The drain valve 61 is a valve body when the secondary pressure introduced from the pipe 24 into the operation chamber 62 exceeds the allowable pressure set by the flam 63 and the spring 64 (pressure slightly exceeding a predetermined pressure suitable for fire fighting activity). 65 is opened and excess secondary pressure is applied to the drain pipe 2
Vent to 5 and maintain the secondary pressure at a pressure suitable for a given fire fighting activity. Therefore, even if the valve body 43 of the opening valve 3 unexpectedly largely opens and a large amount of high-pressure primary pressure flows into the secondary side pipe 2 and the secondary pressure becomes higher than necessary, the drainage valve 61. Detects excessive secondary pressure, and reduces the secondary pressure to a predetermined pressure. The drain valve 61 is a valve that opens by the action of the spring 64 or the like, but may be a valve that electrically performs an opening operation with respect to the secondary pressure.
【００２１】その他に本ユニット７０内には、二次圧を
測定するための圧力計７２が配管２４に、一次圧を測定
するための圧力計７３が配管３３に接続されている。ま
た、開放弁３の開放を検出する圧力スイッチ７４が、開
放弁３の弁座７５に形成され弁体４３閉止時には弁体４
３によって閉止されている流水検知室７６からの枝管７
７に接続されている。枝管７７は、オリフィス７８を介
して排水管２５に接続されていて、開放弁３の閉止時に
は圧力スイッチ７４を動作させた消火水が徐々に排水さ
れるようになっている。In addition, in this unit 70, a pressure gauge 72 for measuring the secondary pressure is connected to the pipe 24, and a pressure gauge 73 for measuring the primary pressure is connected to the pipe 33. Further, the pressure switch 74 for detecting the opening of the opening valve 3 is formed on the valve seat 75 of the opening valve 3 and the valve body 4 is closed when the valve body 43 is closed.
Branch pipe 7 from running water detection chamber 76 closed by 3
Connected to 7. The branch pipe 77 is connected to the drain pipe 25 through the orifice 78, and when the opening valve 3 is closed, the fire extinguishing water that operates the pressure switch 74 is gradually discharged.
【００２２】次に、本実施例における動作について説明
する。複数のスプリンクラヘッド１が接続される二次側
配管２内には、常時消火活動に適した所定の圧力で消火
水が充填されている。ここで二次側配管２内が気温変化
等により僅かに減圧した場合には、調圧弁４０の作用に
より一次側配管６内の消火水を配管３３、３７、シリン
ダ３８等を介して二次側配管２内に充水し、二次側配管
２内を所定圧に昇圧させる。また、瞬時のウォーターハ
ンマ現象等により二次側配管２内が余分に昇圧した場合
には、排水弁６１が動作し、弁体６５が開放して二次側
の消火水を排水管２５に排出して、二次圧を所定圧に減
圧させる。Next, the operation of this embodiment will be described. The secondary pipe 2 to which a plurality of sprinkler heads 1 are connected is constantly filled with fire-extinguishing water at a predetermined pressure suitable for fire-extinguishing activities. Here, when the inside of the secondary side pipe 2 is slightly decompressed due to temperature change or the like, the action of the pressure regulating valve 40 causes the extinguishing water in the primary side pipe 6 to pass through the pipes 33, 37, the cylinder 38, etc. The pipe 2 is filled with water, and the inside of the secondary pipe 2 is pressurized to a predetermined pressure. Further, when the pressure inside the secondary pipe 2 is excessively increased due to an instantaneous water hammer phenomenon or the like, the drain valve 61 operates and the valve body 65 is opened to discharge the secondary side fire extinguishing water to the drain pipe 25. Then, the secondary pressure is reduced to a predetermined pressure.
【００２３】この状態において、火災が発生するとスプ
リンクラヘッド１が開放し、二次側配管２内の消火水の
放水を開始する。ヘッド１の放水が開始されると、調圧
弁４０が二次圧の減圧を検出して弁体３６を開放し、一
次側配管６の消火水をシリンダ３８に導入して、開放弁
３の弁体４３を開動作させる。弁体４３が開くと、一次
側５の消火水が二次側４へ供給され、同時に流水検知室
７６に消火水が流入し、圧力スイッチ７４が動作して、
受信盤１０にヘッド１の動作信号を送出する。In this state, when a fire occurs, the sprinkler head 1 is opened and the fire extinguishing water in the secondary pipe 2 is started to be discharged. When the water discharge of the head 1 is started, the pressure regulating valve 40 detects the pressure reduction of the secondary pressure to open the valve body 36, introduce the fire extinguishing water of the primary side pipe 6 into the cylinder 38, and open the valve of the opening valve 3. The body 43 is opened. When the valve body 43 is opened, the fire extinguishing water on the primary side 5 is supplied to the secondary side 4, and at the same time, the fire extinguishing water flows into the running water detection chamber 76, and the pressure switch 74 operates,
The operation signal of the head 1 is sent to the receiving board 10.
【００２４】調圧弁４０は、開放弁３を開放させるだけ
でなく、操作室３２に二次圧を導入することにより、弁
体３６の開度を調整し、開放弁３のシリンダ３８に導入
される一次圧を調整することにより弁体４３の開度を調
整して二次側配管２内が消火活動に適した所定の圧力に
なるように調圧動作を行う。The pressure regulating valve 40 not only opens the opening valve 3 but also introduces a secondary pressure into the operation chamber 32 to adjust the opening degree of the valve body 36 and to introduce it into the cylinder 38 of the opening valve 3. By adjusting the primary pressure to adjust the opening degree of the valve element 43, the pressure adjusting operation is performed so that the inside of the secondary side pipe 2 has a predetermined pressure suitable for fire fighting activity.
【００２５】開放弁３の開放により、一次側配管６の消
火水が流出していくと、加圧送水装置８を構成する図示
していない圧力空気槽に設けられる圧力スイッチが動作
して、モータ１１を起動してポンプ９を動作させ、水源
１２の消火水を加圧供給する。従って、開放したスプリ
ンクラヘッド１は、調圧手段３０によって制御される開
放弁３を通じて、消火活動に適した所定の圧力の消火水
が次々に供給され、効果的な放水を続けることができ
る。When the fire extinguishing water in the primary side pipe 6 flows out by opening the open valve 3, a pressure switch provided in a pressure air tank (not shown) constituting the pressurized water supply device 8 operates to operate the motor. 11 is activated and the pump 9 is operated to pressurize and supply the fire extinguishing water from the water source 12. Therefore, the opened sprinkler head 1 is continuously supplied with fire-extinguishing water of a predetermined pressure suitable for fire-extinguishing activity through the opening valve 3 controlled by the pressure adjusting means 30, so that effective water discharge can be continued.
【００２６】このスプリンクラヘッド１の開放が、火災
を検知したものであれば問題はないが、衝撃等による誤
動作の場合には、早く放水を停止させる必要がある。そ
の場合には、その警戒区域の放水停止スイッチ５３を操
作する。放水停止スイッチ５３を操作すると、受信盤１
０を介して電動弁５１の電動部５２に閉止信号を送出す
る。それにより電動弁５１は閉止され、シリンダ３８内
は一次圧の供給が遮断されるので減圧し、開放弁３の弁
体４３は閉止する。すると、一次側配管６からの給水が
遮断されるので、ヘッド１からの放水を停止させること
ができる。There is no problem as long as the opening of the sprinkler head 1 detects a fire, but in the case of a malfunction due to a shock or the like, it is necessary to stop the water discharge quickly. In that case, the water discharge stop switch 53 of the caution area is operated. When the water discharge stop switch 53 is operated, the receiving board 1
A closing signal is sent to the electric section 52 of the electric valve 51 via 0. As a result, the motor-operated valve 51 is closed, the supply of the primary pressure is shut off in the cylinder 38, and the pressure is reduced, and the valve element 43 of the opening valve 3 is closed. Then, since the water supply from the primary side pipe 6 is cut off, the water discharge from the head 1 can be stopped.
【００２７】上記のように、本実施例のシステムでは、
二次側配管２内の圧力を火災時のみではなく、常時も消
火活動に適した所定の圧力とすることができ、スプリン
クラヘッド１の誤動作の場合には、簡単に放水を停止さ
せることのできる有用な消火設備である。As described above, in the system of this embodiment,
The pressure in the secondary side pipe 2 can be set to a predetermined pressure suitable for fire extinguishing activities not only at the time of fire but also at all times, and in the case of malfunction of the sprinkler head 1, water discharge can be easily stopped. It is a useful fire extinguisher.
【００２８】[0028]
【発明の効果】以上のように、本発明は、警戒地区に、
複数の閉鎖型スプリンクラヘッドと、開放弁が設けら
れ、その一次側配管が消火水供給手段に、二次側配管が
スプリンクラヘッドに、それぞれ接続されたスプリンク
ラ消火設備において、開放弁は、警戒地区に設けられた
放水停止スイッチの操作により二次側配管への消火水の
流路を閉止する遮断手段を有していることを特徴とする
ものである。従って、遮断手段は、警戒地区に設けられ
た放水停止スイッチの操作により、開放弁を閉止するの
で、わざわざ警戒地区以外の例えば建物の地下などに設
けられているポンプの場所まで行き、直接停止する必要
はなく、大きな水損事故を防止することができる。INDUSTRIAL APPLICABILITY As described above, according to the present invention, the
In a sprinkler fire extinguishing system in which a plurality of closed type sprinkler heads and an open valve are provided, the primary side pipe of which is connected to the fire extinguishing water supply means and the secondary side pipe of which is connected to the sprinkler head, the open valve is located in the warning area. It is characterized in that it has a shutoff means for closing the flow path of the fire extinguishing water to the secondary side pipe by operating the provided water discharge stop switch. Therefore, since the shut-off means closes the open valve by operating the water discharge stop switch provided in the caution area, the purpose is to go directly to the location of the pump outside the caution area, for example, in the basement of the building, and stop directly. It is not necessary and can prevent major water damage accidents.
【図１】本発明を利用した一実施例を示す系統図。FIG. 1 is a system diagram showing an embodiment using the present invention.
１ 開放型スプリンクラヘッド ２ 二次側配管 ３ 開放弁 ６ 一次側配管 ８ 加圧送水装置（消火水供給手段） ３０ 調圧手段 ４０ 調圧弁 ５０ 遮断手段 ５１ 電動弁 ５３ 放水停止スイッチ ６０ 排水手段 ６１ 排水弁 1 Open type sprinkler head 2 Secondary side piping 3 Opening valve 6 Primary side piping 8 Pressurized water supply device (fire extinguishing water supply means) 30 Pressure regulating means 40 Pressure regulating valve 50 Shutoff means 51 Motorized valve 53 Water discharge stop switch 60 Drainage means 61 Drainage valve
Claims (3)
ヘッドと、開放弁が設けられ、該開放弁の一次側配管が
消火水供給手段に、二次側配管が前記スプリンクラヘッ
ドに、それぞれ接続されたスプリンクラ消火設備におい
て、 前記開放弁は、前記警戒地区に設けられた放水停止スイ
ッチの操作により前記二次側配管への消火水の流路を閉
止する遮断手段を有することを特徴とするスプリンクラ
消火設備。1. A plurality of closed-type sprinkler heads and an open valve are provided in a warning area, and a primary side pipe of the open valve is connected to a fire extinguishing water supply means, and a secondary side pipe is connected to the sprinkler head. In the sprinkler fire extinguishing equipment, the release valve has a shutoff means for closing a flow path of the fire extinguishing water to the secondary side pipe by operating a water discharge stop switch provided in the caution area. Facility.
路に配置される電動弁により構成され、放水停止スイッ
チの操作により前記電動弁が開放または閉止することに
より、前記開放弁を閉止するものである請求項１のスプ
リンクラ消火設備。2. The shut-off means is composed of an electric valve arranged in a pressure passage for opening the opening valve, and the opening valve is closed by opening or closing the electric valve by operating a water discharge stop switch. The sprinkler fire extinguishing equipment according to claim 1.
ヘッドより一次側の配管に配置される弁である請求項１
のスプリンクラ消火設備。3. The shut-off means is a valve arranged in the pipe on the primary side of the plurality of closed type sprinkler heads.
Sprinkler fire extinguishing equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25862592A JP3172813B2 (en) | 1992-09-28 | 1992-09-28 | Sprinkler fire extinguishing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25862592A JP3172813B2 (en) | 1992-09-28 | 1992-09-28 | Sprinkler fire extinguishing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06105924A true JPH06105924A (en) | 1994-04-19 |
| JP3172813B2 JP3172813B2 (en) | 2001-06-04 |
Family
ID=17322879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25862592A Expired - Fee Related JP3172813B2 (en) | 1992-09-28 | 1992-09-28 | Sprinkler fire extinguishing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3172813B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003106474A (en) * | 2001-09-28 | 2003-04-09 | Nohmi Bosai Ltd | Open valve |
-
1992
- 1992-09-28 JP JP25862592A patent/JP3172813B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003106474A (en) * | 2001-09-28 | 2003-04-09 | Nohmi Bosai Ltd | Open valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3172813B2 (en) | 2001-06-04 |
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