JPS60125476A - Emergency cutoff device - Google Patents
Emergency cutoff deviceInfo
- Publication number
- JPS60125476A JPS60125476A JP23460983A JP23460983A JPS60125476A JP S60125476 A JPS60125476 A JP S60125476A JP 23460983 A JP23460983 A JP 23460983A JP 23460983 A JP23460983 A JP 23460983A JP S60125476 A JPS60125476 A JP S60125476A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- gas
- pressure
- diaphragm
- pipe
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/34—Excess-flow valves in which the flow-energy of the flowing medium actuates the closing mechanism
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Safety Valves (AREA)
Abstract
Description
【発明の詳細な説明】 この発明は、ガスの緊急遮断装置に関するものである。[Detailed description of the invention] The present invention relates to a gas emergency shutoff device.
多奴本のり、 ｐ、 ｄボンベを接続した集合装置がら
導管をへて各家庭に供給する方式は、既に知られて′い
る。A system is already known in which a collection device in which multiple P and D cylinders are connected is supplied to each household through a conduit.
しかしながら、導管が道路工事等で損傷を受けてガスが
大量に放出されたとき、自動的にガスの放出をストツ、
プすることができないので、大きな事故が発生する問題
があった。However, when a large amount of gas is released due to damage to the conduit due to road construction, etc., the gas release is automatically stopped.
There was a problem in that major accidents could occur because it was impossible to do so.
この発明は、事故の発生にともない緊急にガスの供給を
ストップして、上述の問題を解消することを目的として
いる。This invention aims to solve the above-mentioned problem by urgently stopping the gas supply in the event of an accident.
この発明は、導管に流量センサーを設け、ガス放出にと
もない上記流量センサーの圧力信号によって操作弁を開
弁させ、そして遮断弁を閉じるようにした遮断装置を提
供する。The present invention provides a shutoff device in which a flow rate sensor is provided in a conduit, and when gas is released, a pressure signal from the flow rate sensor opens an operating valve and closes a shutoff valve.
以下、この発明の実施例を添付図１ｎ１に基づいて説１
カする。Hereinafter, the embodiments of this invention will be explained based on the attached Figure 1n1.
I'll do it.
図において、１はり、Ｐ、Ｕポンベ２群を接続したガス
米台装置でらって、このガス集合装置ｌの供給管３には
、導管４が接続されている。In the figure, a conduit 4 is connected to a supply pipe 3 of the gas collecting device 1, which is a gas stand device in which two groups of 1 beam, P, and U pumps are connected.
また、上記導管４の途中には、ｖｉｅ量センサー５が設
けられている。Further, a vie amount sensor 5 is provided in the middle of the conduit 4.
」１記の流量センサー５は、第３図で示したようにベン
チュリ管６と、このベンチュリ管６の小径部に連通状に
接続したガス流入低圧バイプッと、この低圧パイプ７゛
の前方に位置してベンチュリ管６に連通状に接続したガ
ス流入高圧パイプ８とによって構成したが、オリフィス
等を用いてもよい。As shown in FIG. 3, the flow rate sensor 5 shown in item 1 is located in front of a venturi pipe 6, a gas inflow low pressure pipe connected in communication with the small diameter part of this venturi pipe 6, and this low pressure pipe 7. Although the gas inflow high pressure pipe 8 is connected in communication with the Venturi pipe 6, an orifice or the like may also be used.
さらに、流量センサー５０手前の導管４には、遮断弁９
が設けられている。Furthermore, a shutoff valve 9 is provided in the conduit 4 before the flow rate sensor 50.
is provided.
上記の遮断弁９は、第４図で示したようにダイヤフラム
室１ｏＫ；ｍ新井９の手前側導管４からパイ−バスパイ
プ１１を介しガスを流入し、そしてダイヤフラム１２に
ガス圧を作用させて上記ダイヤフラム１２と一体の弁体
１３を後退させるようになっている。As shown in FIG. 4, the above-mentioned shutoff valve 9 allows gas to flow in from the front side conduit 4 of the diaphragm chamber 1oK; The valve body 13 integrated with the diaphragm 12 is moved backward.
また、流量センサーＳには、ガスの放出にともない上記
流量センサー５の圧力信号により開弁して！１ｆｒｅ’
ｄを閉じる操作弁１４が接続されている。In addition, the flow rate sensor S is opened by the pressure signal from the flow rate sensor 5 as gas is released! 1fre'
An operating valve 14 for closing d is connected.
上記の操作弁１４は、第２図で示したように弁座１ｂＶ
ｃバネ１６を圧縮して押し込んだ弁棒１７の先端弁体１
８を圧接すると共に、この弁棒１７の外周環状溝１９に
バネ２０により押し戻されるダイヤフラム２１に接続し
たビン２２の先端を嵌め込み係・きさせて開弁状態を維
持し、また、ダイヤフラム２１の上側室２３に低圧パイ
プ７を、かつダイヤフラム２１の下側室２４に高圧パイ
プ８をそれぞれ接続し、さらに弁座１５を有するガス放
出通路２５にパイプ２６を介し遮断弁９のダイヤフラム
室ｌＯを接続し、ガスの放出事故が発生すると低圧パイ
プ７から操作弁１４に向うガス圧が低下してピン２２を
後退させながらビン２２と環状溝１９との保合を解除し
、そしてバネ１６により弁棒１７を押し戻して弁ｍ１５
を開放するので、パイプ２６からｉｌｌ路２５をへてダ
イヤフラム室１０のガスが放出される。The above operation valve 14 has a valve seat 1bV as shown in FIG.
c The tip of the valve body 1 of the valve rod 17 pushed in by compressing the spring 16
At the same time, the tip of the bottle 22 connected to the diaphragm 21 pushed back by the spring 20 is fitted into the outer annular groove 19 of the valve stem 17 to keep the valve open. The low pressure pipe 7 is connected to the side chamber 23, the high pressure pipe 8 is connected to the lower chamber 24 of the diaphragm 21, and the diaphragm chamber IO of the cutoff valve 9 is connected to the gas discharge passage 25 having the valve seat 15 via the pipe 26, When a gas release accident occurs, the gas pressure from the low-pressure pipe 7 toward the operation valve 14 decreases, causing the pin 22 to retreat and release the engagement between the bottle 22 and the annular groove 19, and the spring 16 causes the valve stem 17 to Push back valve m15
, gas in the diaphragm chamber 10 is released from the pipe 26 through the illumination passage 25.
上記のガスの放出にともないダイヤフラム室１０の圧力
が低下するので、バネ２日によりダイヤフラム１２と共
に弁体１３を押し下げて、弁座２９に弁体１３が圧接さ
れる。Since the pressure in the diaphragm chamber 10 decreases as the gas is released, the spring 2 pushes down the valve body 13 together with the diaphragm 12, and the valve body 13 is pressed against the valve seat 29.
図中２７は減圧弁である。In the figure, 27 is a pressure reducing valve.
この発＃１に係る緊急遮断装置は以上の構成であって、
次にその作用を説明すると、通常の場合は弁棒１７を押
し込んで弁座１５に弁体１８を圧接すると共に、弁棒１
７の環状溝１９にビン２２の先端を嵌め込み係合させて
操作弁１４の閉弁状態を維持している。The emergency cutoff device according to issue #1 has the above configuration,
Next, to explain its operation, in normal cases, the valve stem 17 is pushed in to press the valve body 18 against the valve seat 15, and the valve stem 17 is pressed against the valve seat 15.
The tip of the bottle 22 is fitted into and engaged with the annular groove 19 of 7 to maintain the closed state of the operation valve 14.
また、導管４からバイパスパイプ１１をへてグイヤ７ラ
ム至１０にガスが流入しているので、流入ガス圧により
作用するダイヤフラム１２を介し弁体１３を後退させ、
遮断弁９の開弁状態を保っている。Also, since gas is flowing from the conduit 4 through the bypass pipe 11 into the guy 7 ram to 10, the valve body 13 is retracted via the diaphragm 12 which is actuated by the inflow gas pressure.
The shutoff valve 9 is kept open.
導管４が道路工事等で損傷を受けてガスが大量に放出し
たとき、低圧パイプ７から流量センサー５に向う低圧ガ
スの圧力が低下し、そして筒圧パイプ８のガスを操作弁
１４のダイヤフラム２１に作用させてピン２２を引き民
し、そしてピン２２と環状溝１９との保合を解除するの
で、バネ１６により弁棒１７を押し戻して弁座ＩＳから
弁体１Ｂが離れる。When the conduit 4 is damaged by road construction or the like and a large amount of gas is released, the pressure of the low pressure gas from the low pressure pipe 7 toward the flow rate sensor 5 decreases, and the gas in the cylinder pressure pipe 8 is transferred to the diaphragm 21 of the operating valve 14. Since the pin 22 is pulled and the engagement between the pin 22 and the annular groove 19 is released, the valve rod 17 is pushed back by the spring 16 and the valve body 1B is separated from the valve seat IS.
上記弁座ＩＳＯ開放にともないパイプ２６内の封じ込み
ガスが大気に放出されるので、遮断弁９のダイヤフラム
室ｌＯの圧力が低下し、バネによりダイヤフラム１２′
と共に弁体１３′を押し下げて、弁座２９に弁体１３が
圧接される。このため、ガスの供給がストンプする。As the valve seat ISO opens, the sealed gas in the pipe 26 is released to the atmosphere, so the pressure in the diaphragm chamber lO of the shutoff valve 9 decreases, and the spring causes the diaphragm 12'
At the same time, the valve body 13' is pushed down, and the valve body 13 is pressed against the valve seat 29. Therefore, the gas supply is stopped.
以上のように、こり発明に係る緊急遮断装置によれば、
導管の損傷にともないガスが放出すると、流量センサー
の圧力信号によって操作弁を開弁させ、そして遮断弁を
自助的に閉じるようにしであるので、ガス放出による事
故をなくすることができる。As described above, according to the emergency shutoff device according to the invention,
When gas is released due to damage to the conduit, the operating valve is opened in response to the pressure signal from the flow rate sensor, and the shutoff valve is automatically closed, thereby eliminating accidents caused by gas release.
図面はこの発明の実施例を示すもので、第１図は回路図
、第２図は操作弁の縦…「正面図、第３凶は流量センサ
ーの縦断側面図、第４図は遮断弁の一部切大正面図であ
る。
１・・・ガス集合装置、２・・・Ｌ、Ｐ、 Ｇボンベ、
３・・・供胎管、４・・・導管、５・・・流量センサー
、６・・・ベンチュリ管、７・・・低圧パイプ、８・・
・高圧パイプ、９・・・遮断弁、ｌＯ・・・ダイヤフラ
ム室、１１・・・バイハスパイプ、１２・・・ダイヤフ
ラム、１３・・・弁体、１４・・・操作弁、１５・・・
弁座、１６・・・ノ（ネ、ＩＶ・・・弁棒、１８・・・
先端弁体、１９・・・外周環状溝、２０・・・バネ、２
１・・・グイヤフラム、２２・・・ピン、２３・・・上
側室、２４・・・下側室、２５・・・放出通路、２６・
・・パイプ特許出願人 伊藤工機株式会社
同 代理人 鎌 １）文 ニ
第１図
第２図The drawings show an embodiment of the present invention. Figure 1 is a circuit diagram, Figure 2 is a vertical view of the operating valve, Figure 3 is a vertical side view of the flow sensor, and Figure 4 is a vertical side view of the shutoff valve. It is a partially cut-away front view. 1... Gas gathering device, 2... L, P, G cylinders,
3... Donor tube, 4... Conduit, 5... Flow rate sensor, 6... Venturi tube, 7... Low pressure pipe, 8...
-High pressure pipe, 9...Shutoff valve, lO...Diaphragm chamber, 11...Bihas pipe, 12...Diaphragm, 13...Valve body, 14...Operation valve, 15...
Valve seat, 16...ノ(ne, IV...valve stem, 18...
Tip valve body, 19... Outer circumferential annular groove, 20... Spring, 2
DESCRIPTION OF SYMBOLS 1... Guyafram, 22... Pin, 23... Upper chamber, 24... Lower chamber, 25... Release passage, 26...
... Pipe patent applicant: Ito Koki Co., Ltd. Agent: Kama 1) Statement D Figure 1 Figure 2
Claims (1)
中に設けた流量センサーと、この茜臘セン可 すると共に、流入ガス圧によシ開弁せるバイパスパイプ
と、通常閉弁状態を保ち、かつ流量セ゛ンサ一の異電圧
力イ５号により開弁させるよう上記流量センサーに接続
した深１’Ｆ升と、この」箪作升の弁孔と遮Ｗ１升のダ
イヤフラム室と全接続するパイプとから戚る緊急遮１４
ｉ装置。[Scope of Claims] A gas assembly and device connecting a group of cylinders, a flow rate sensor provided in the middle of this gas pipe, a bypass pipe that can be opened by the inflow gas pressure, and A 1'F deep hole connected to the flow rate sensor so that the valve normally remains closed and is opened by the different voltage force No. 5 of the flow rate sensor, and the valve hole of this 1'F hole and the diaphragm of the shutoff W1 hole. Emergency shutoff 14 from the room and all connecting pipes
i device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23460983A JPS60125476A (en) | 1983-12-12 | 1983-12-12 | Emergency cutoff device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23460983A JPS60125476A (en) | 1983-12-12 | 1983-12-12 | Emergency cutoff device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60125476A true JPS60125476A (en) | 1985-07-04 |
Family
ID=16973717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23460983A Pending JPS60125476A (en) | 1983-12-12 | 1983-12-12 | Emergency cutoff device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60125476A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182936A (en) * | 2011-02-25 | 2011-09-14 | 陈辉 | Novel intelligent control coal gas leakproof device |
| CN102679144A (en) * | 2012-04-23 | 2012-09-19 | 江苏亚洲气体设备有限公司 | Single-row permanent gas filling manifold |
| CN102691882A (en) * | 2012-05-29 | 2012-09-26 | 张家港市科华化工装备制造有限公司 | Welded heat-insulating gas bottle |
| CN104791530A (en) * | 2014-01-20 | 2015-07-22 | 张鹏镇 | Two-stage safe fuel gas pressure stabilizer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5128864A (en) * | 1974-09-06 | 1976-03-11 | Nippon Steel Corp | KOKANNAIMEN PURASUCHITSUKURAININGUHOHO |
-
1983
- 1983-12-12 JP JP23460983A patent/JPS60125476A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5128864A (en) * | 1974-09-06 | 1976-03-11 | Nippon Steel Corp | KOKANNAIMEN PURASUCHITSUKURAININGUHOHO |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182936A (en) * | 2011-02-25 | 2011-09-14 | 陈辉 | Novel intelligent control coal gas leakproof device |
| CN102679144A (en) * | 2012-04-23 | 2012-09-19 | 江苏亚洲气体设备有限公司 | Single-row permanent gas filling manifold |
| CN102691882A (en) * | 2012-05-29 | 2012-09-26 | 张家港市科华化工装备制造有限公司 | Welded heat-insulating gas bottle |
| CN104791530A (en) * | 2014-01-20 | 2015-07-22 | 张鹏镇 | Two-stage safe fuel gas pressure stabilizer |
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