JPH0425147Y2 - - Google Patents
Info
- Publication number
- JPH0425147Y2 JPH0425147Y2 JP8758685U JP8758685U JPH0425147Y2 JP H0425147 Y2 JPH0425147 Y2 JP H0425147Y2 JP 8758685 U JP8758685 U JP 8758685U JP 8758685 U JP8758685 U JP 8758685U JP H0425147 Y2 JPH0425147 Y2 JP H0425147Y2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pipe
- air
- piston
- 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.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 230000007423 decrease Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
この考案は、建造物の自動消火用スプリンクラ
ー装置に関するものである。[Detailed Description of the Invention] (Field of Industrial Application) This invention relates to an automatic fire-extinguishing sprinkler system for buildings.
（従来の技術）
スプリンクラー装置にあつては、配管内に圧力
水を満たしてあつて、火災で管端に設けたスプリ
ンクラーヘツドが開口すると、自動的に放水消火
するが、寒冷地にあつては配管内の圧力水が凍結
し装置が使用できないことがある。そのため配管
の後半部（配管が細く冷却しやすい）を水の代わ
りに圧力空気を満たした乾式スプリンクラー装置
が採用されている。(Prior art) In the case of a sprinkler system, the pipes are filled with pressure water, and when the sprinkler head installed at the end of the pipe opens due to a fire, the fire is automatically extinguished by spraying water. The pressure water in the piping may freeze and the equipment may become unusable. For this reason, a dry sprinkler system is used in which the latter half of the pipe (the pipe is narrower and easier to cool) is filled with pressurized air instead of water.
（考案が解決しようとする問題点）
この従来の乾式スプリンクラー装置の空気系の
配管と、水系の配管とを常時遮断する弁装置は、
構造がフラツパー式の逆止弁であつて、空気系配
管の空気圧が水系配管の水圧力よりも小さいため
に、空気の当たる弁の面積を水の当たる面積より
大きくして常時弁が閉止するようになつている。
すなわち空気配管における空気の作用する弁面積
×空気圧力が、水配管における弁面積×水圧力よ
り所定以上高くして弁を密閉している。(Problems to be solved by the invention) This conventional dry sprinkler system has a valve device that constantly shuts off the air system piping and the water system piping.
This check valve has a flapper type structure, and since the air pressure in the air system piping is lower than the water pressure in the water system piping, the area of the valve that is exposed to air is made larger than the area that is exposed to water so that the valve is always closed. It's getting old.
That is, the valve area on which air acts in the air piping multiplied by the air pressure is higher than the valve area in the water piping multiplied by the water pressure by a predetermined value or more to seal the valve.
しかしながら、水源（ポンプ）の圧力は仕様で
決まるので、必然的に空気配管の圧力も限定され
て、空気、水の両圧力値には幅が無く設計施工上
問題点が多く、また弁もフラツパー弁であるため
に水撃に弱く取り扱いにくい装置であつた。 However, since the pressure of the water source (pump) is determined by the specifications, the pressure of the air piping is inevitably limited, and there is no range between the pressure values of both air and water, which causes many problems in design and construction, and the valve is also flat. Because it was a valve, it was vulnerable to water hammer and was difficult to handle.
この考案はこうした欠点を解消する装置を提供
するものである。 This invention provides a device that overcomes these drawbacks.
（問題点を解決するための手段） この考案を実施例をあげて説明する。(Means for solving problems) This idea will be explained by giving examples.
１は空気配管で、この管端にはスプリンクラー
ヘツド（図示してない）が設けてある。スプリン
クラーヘツドは常時は閉止しているが火災の熱で
開口する。２は水系配管で、ポンプ（図示してな
い）を介して水源に接続し常時圧力水を満たして
ある。配管１と配管２とは主弁３で連結してあ
る。主弁３はこの実施例ではボールコツクの弁３
ａを用いている。この弁３ａの軸３ｃにはクラン
クを介してピストン装置５が連結してある。５ａ
はピストンである。空気配管１には配管８を連結
しこれに弁装置４を連結してある。この弁装置４
はこの装置用に特に開発したものである。 1 is an air pipe, and a sprinkler head (not shown) is provided at the end of this pipe. Sprinkler heads are normally closed but open due to the heat of the fire. Reference numeral 2 denotes water system piping, which is connected to a water source via a pump (not shown) and is constantly filled with pressurized water. Piping 1 and piping 2 are connected by a main valve 3. In this embodiment, the main valve 3 is a ball valve 3.
a is used. A piston device 5 is connected to the shaft 3c of the valve 3a via a crank. 5a
is a piston. A pipe 8 is connected to the air pipe 1, and a valve device 4 is connected to the pipe 8. This valve device 4
has been specially developed for this device.
弁装置４は、弁４ａにピストン６を結合した構
造で、ピストン６の一側（図では左側）に配管８
が接続され、他側は配管９で空気配管１に接続し
てある。そして配管９の途中には逆止弁１０が設
けてある。また分岐してコンプレツサー（空気供
給装置）に接続してある。２１，２２はバルブ
（常時開）で装置点検整備時に使用する。 The valve device 4 has a structure in which a piston 6 is coupled to a valve 4a, and a piping 8 is connected to one side of the piston 6 (the left side in the figure).
is connected, and the other side is connected to the air pipe 1 through a pipe 9. A check valve 10 is provided in the middle of the pipe 9. It is also branched and connected to a compressor (air supply device). 21 and 22 are valves (always open) that are used during equipment inspection and maintenance.
弁装置４の弁４ａにはその入口側に配管７ａ
を、接続して水系配管２に、また出口側には配管
７を接続してピストン５へそれぞれ連結してあ
る。２３はバルブ（常時開）である。 The valve 4a of the valve device 4 has a pipe 7a on its inlet side.
are connected to the water system piping 2, and a piping 7 is connected to the outlet side to connect to the piston 5, respectively. 23 is a valve (normally open).
主弁３の弁３ａにはリング状のパツキン３ｂを
入口側と出口側に設けてある。また弁３ａには穴
１６があけてあつて、この穴１６は両側のパツキ
ン３ｂの間にあつて主弁３外の配管１５に連通
し、配管１５には圧力スイツチ１１が設けてあ
る。１２は排水管、１３，１４は圧力計、２０は
バルブ（常時開）１７，１８はバルブいずれも常
時閉、１９はオリフイスである。 The valve 3a of the main valve 3 is provided with ring-shaped packings 3b on the inlet side and the outlet side. Further, a hole 16 is provided in the valve 3a, and this hole 16 is located between the gaskets 3b on both sides and communicates with a pipe 15 outside the main valve 3, and a pressure switch 11 is provided in the pipe 15. 12 is a drain pipe, 13 and 14 are pressure gauges, 20 is a valve (always open), 17 and 18 are both valves normally closed, and 19 is an orifice.
（作用）
この実施例において、常時空気配管１には空気
が３〜6.5Kg／cm2の圧力で満たされている。また
水系配管２には水が４〜14Kg／cm2の圧力で満たさ
れている。そして第１図のように主弁３によつて
閉止している。(Function) In this embodiment, the air pipe 1 is always filled with air at a pressure of 3 to 6.5 kg/cm 2 . Further, the water system piping 2 is filled with water at a pressure of 4 to 14 kg/cm 2 . Then, as shown in FIG. 1, it is closed by the main valve 3.
ピストン６の一側（図で左）には配管８によつ
て空気配管１の空気圧が、また右側も配管９によ
つて空気圧力がかかり、弁４ａは閉止している
（これは整備時に弁位置を固定する）。 Air pressure from the air pipe 1 is applied to one side of the piston 6 (on the left in the figure) through piping 8, and air pressure is applied to the right side through piping 9, and the valve 4a is closed (this is done when the valve is closed during maintenance). (fix position).
いま火災が発生してスプリンクラーが開口し、
空気配管１内の空気圧力が減少すると、配管８を
経てピストン６の左側は圧力を減じる。この時配
管９には逆止弁１０があるので、ピストン６の右
側に前から充填されている空気圧力でピストン６
は左方に移動して弁４ａが開く、それによつて水
系配管２内の圧力水は配管７ａ，７を経てピスト
ン装置５へ導入される。ピストン５ａは回転軸３
ｃを駆動して弁３ａを回し主弁３を開く、それに
よつて水系配管２の圧力水は空気配管１へ流入
し、開口したスプリンクラーヘツドより放水して
消火する。 A fire has broken out and the sprinklers have opened.
When the air pressure in the air pipe 1 decreases, the pressure on the left side of the piston 6 via the pipe 8 decreases. At this time, since there is a check valve 10 in the piping 9, the air pressure that is filled from the front on the right side of the piston 6 causes the piston 6 to move.
moves to the left and opens the valve 4a, whereby the pressure water in the water system pipe 2 is introduced into the piston device 5 via the pipes 7a, 7. The piston 5a is the rotating shaft 3
The main valve 3 is opened by driving the valve 3a and opening the main valve 3, whereby the pressurized water in the water system pipe 2 flows into the air pipe 1, and water is discharged from the opened sprinkler head to extinguish the fire.
主弁３が開くと、圧力水の一部は弁３ａの穴１
６からバルブ２０（常時開）を経て圧力スイツチ
１１を駆動し、このスイツチによつて別に設けた
音声表示の装置を動作し、この装置の動作と火災
報知をする。１９はオリフイスで配管１５内の圧
力水は排水管１２に流れる。配管１５は常に空で
ある。バルブ１７，１８（常時閉）は点検整備用
に使う。 When the main valve 3 opens, a portion of the pressure water flows into the hole 1 of the valve 3a.
6, a pressure switch 11 is driven via a valve 20 (normally open), and this switch operates a separately provided audio display device to operate this device and issue a fire alarm. 19 is an orifice through which the pressure water in the pipe 15 flows to the drain pipe 12. Piping 15 is always empty. Valves 17 and 18 (normally closed) are used for inspection and maintenance.
（実施例） 上述する実施例以外に次の例を挙げる。(Example) In addition to the embodiments described above, the following examples will be given.
配管７ａは水以外の他の圧力流体源例えば空気
圧力源に接続してもよい。その場合ピストン装置
５には空気が送られて動作することになる。 The pipe 7a may be connected to a source of pressure fluid other than water, such as a source of air pressure. In that case, air is sent to the piston device 5 to operate it.
逆止弁１０と、弁４との間には空気溜を設ける
とピストン６の駆動をスムーズにすることができ
る。 If an air reservoir is provided between the check valve 10 and the valve 4, the piston 6 can be driven smoothly.
ピストン６の他側（右側）に反発ばねを設ける
と配管９は不必要となる。 If a repulsion spring is provided on the other side (right side) of the piston 6, the piping 9 becomes unnecessary.
主弁３はボール弁以外に、弁軸を回動、上下動
させて開閉する他の弁も採用できる。 In addition to the ball valve, the main valve 3 can also employ other valves that open and close by rotating and moving the valve shaft up and down.
装置の作動を知らせるスイツチを機械的にピス
トン装置５に連結すれば、主弁３の穴１６、配管
１５、圧力スイツチ１１に代えられる。 If a switch for notifying the operation of the device is mechanically connected to the piston device 5, the hole 16 of the main valve 3, the piping 15, and the pressure switch 11 can be replaced.
（考案の効果）
この考案の乾式スプリンクラー装置には、空気
の圧力と水側の圧力が直接作用するフラツパー弁
を採用していないので、空気圧力、水圧力を任意
に設定できスプリンクラー設備の設計が楽であ
る。弁は広く用いられているボール弁、コツク弁
そのたリフト弁等の弁を採用して密閉完全で、水
漏れ誤作動のない施工整備し易い装置が得られ
る。(Effects of the invention) The dry sprinkler system of this invention does not use a flapper valve on which the air pressure and water pressure directly act, so the air pressure and water pressure can be set arbitrarily, making it easier to design the sprinkler equipment. It's easy. The valves adopt widely used valves such as ball valves, cock valves, lift valves, etc. to provide a completely sealed device that is easy to install and maintain without water leakage or malfunction.
第１図及第２図は、この考案に係わる乾式スプ
リンクラー装置の一実施例を示す配管系統図で、
第１図は常時設置常態を、第２図は作動時をそれ
ぞれ示す図である。
１……空気配管、２……水系配管、３……主
弁、４……弁装置、４ａ……弁、５……ピストン
装置、５ａ，６……ピストン。
Figures 1 and 2 are piping system diagrams showing an embodiment of the dry sprinkler system according to this invention.
FIG. 1 shows the normally installed state, and FIG. 2 shows the operating state. 1...Air piping, 2...Water system piping, 3...Main valve, 4...Valve device, 4a...Valve, 5...Piston device, 5a, 6...Piston.
Claims (1)
管１と、水系配管２とを主弁３で閉止するスプ
リンクラー装置において、空気配管１にはこの
管の空気圧の減少によつて開く弁装置４を連結
し、別に前記主弁３にはこの弁３ａを駆動する
ピストン装置５を設け、前記弁装置４を前記ピ
ストン装置５に接続してなる乾式スプリンクラ
ー装置。 ２ 空気圧の減少によつて開く弁装置４はピスト
ン６を結合した構造であつて、ピストン６の一
側は空気配管１に接続し、弁４ａの入口側には
配管７ａで、圧力流体配管に、また出口側には
配管７で主弁３のピストン装置５にそれぞれ連
結する実用新案登録請求項１記載の乾式スプリ
ンクラー装置。[Claims for Utility Model Registration] 1. In a sprinkler system in which an air pipe 1 with a sprinkler head at the end of the pipe and a water system pipe 2 are closed by a main valve 3, the air pipe 1 has a sprinkler head installed at the end of the pipe. A dry sprinkler system in which a valve device 4 is connected to the main valve 3 to open the valve, a piston device 5 for driving the valve 3a is separately provided to the main valve 3, and the valve device 4 is connected to the piston device 5. 2. The valve device 4, which opens when air pressure decreases, has a structure in which a piston 6 is connected, one side of the piston 6 is connected to the air pipe 1, and a pipe 7a is connected to the pressure fluid pipe on the inlet side of the valve 4a. The dry sprinkler system according to claim 1, further comprising piping 7 connected to the piston device 5 of the main valve 3 on the outlet side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8758685U JPH0425147Y2 (en) | 1985-06-12 | 1985-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8758685U JPH0425147Y2 (en) | 1985-06-12 | 1985-06-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61203063U JPS61203063U (en) | 1986-12-20 |
| JPH0425147Y2 true JPH0425147Y2 (en) | 1992-06-16 |
Family
ID=30639944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8758685U Expired JPH0425147Y2 (en) | 1985-06-12 | 1985-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0425147Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0783774B2 (en) * | 1987-03-25 | 1995-09-13 | 能美防災株式会社 | Fire extinguishing equipment |
-
1985
- 1985-06-12 JP JP8758685U patent/JPH0425147Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61203063U (en) | 1986-12-20 |
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