JPS6155562U - - Google Patents
Info
- Publication number
- JPS6155562U JPS6155562U JP14093684U JP14093684U JPS6155562U JP S6155562 U JPS6155562 U JP S6155562U JP 14093684 U JP14093684 U JP 14093684U JP 14093684 U JP14093684 U JP 14093684U JP S6155562 U JPS6155562 U JP S6155562U
- Authority
- JP
- Japan
- Prior art keywords
- section
- main
- blocking
- shut
- blocking section
- 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
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Safety Valves (AREA)
Description
図面は本考案の一実施例に係るガス遮断弁の縦
断面図であり、副遮断部と主遮断部が共に閉止さ
れている状態を示している。
１…主弁座、２…主弁体、３…ダイヤフラム、
４…バネ、５…バネ受板、６…側路の上流側開口
、７…側路の下流側開口、８…ノズル、９…ガス
流検知センサー、１０…圧力室、１１，１４…側
路の流路、１２…副弁座、１３…副弁体、１５…
プランジヤー、１６…永久磁石、１７…電磁コイ
ル、１８…ヨーク、１９…ポールピース、２０…
バネ、２１…手動ロツド、２２…手動摘み、２３
…検知センサーの出力リード線、２４…本流路の
上流側開口、２５…本流路の下流側開口、２６…
ソレノイド機構。
The drawing is a longitudinal cross-sectional view of a gas cutoff valve according to an embodiment of the present invention, showing a state in which both the sub-blocking part and the main blocking part are closed. 1... Main valve seat, 2... Main valve body, 3... Diaphragm,
4... Spring, 5... Spring receiving plate, 6... Upstream side opening of side channel, 7... Downstream side opening of side channel, 8... Nozzle, 9... Gas flow detection sensor, 10... Pressure chamber, 11, 14... Side channel flow path, 12...subvalve seat, 13...subvalve body, 15...
Plunger, 16... Permanent magnet, 17... Electromagnetic coil, 18... Yoke, 19... Pole piece, 20...
Spring, 21...Manual rod, 22...Manual knob, 23
...Output lead wire of the detection sensor, 24...Upstream opening of the main flow path, 25...Downstream opening of the main flow path, 26...
Solenoid mechanism.
Claims (1)
主遮断部を迂回した側路に遮断面積の小さい副遮
断部を設け、該副遮断部の開閉によつて前記主遮
断部を開閉すると共に、副遮断部の上流側の側路
にガス流検知センサーを配置し、該ガス流検知セ
ンサーを副遮断部の駆動制御部に接続し、ガス流
検知センサーの検出値がガス漏れ判定基準値以下
であるとき、副遮断部の閉路を継続して主遮断部
を開放状態に保持する一方、該検出値がガス漏れ
判定基準値を越えているとき、副遮断部を閉止し
て主遮断部を閉止状態に固定するガス遮断弁。 A main blocking section with a large blocking area is provided in the main flow path, a secondary blocking section with a small blocking area is provided in a side path that bypasses the main blocking section, and opening and closing of the secondary blocking section opens and closes the main blocking section. , a gas flow detection sensor is arranged in the side passage on the upstream side of the sub-blocking section, the gas flow detection sensor is connected to the drive control section of the sub-blocking section, and the detection value of the gas flow detection sensor is below the gas leakage judgment reference value. When , the secondary shut-off section continues to close and the main shut-off section is kept open, while when the detected value exceeds the gas leak judgment reference value, the sub-shut off section is closed and the main shut-off section is kept open. A gas shutoff valve that is fixed in the closed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14093684U JPH0221662Y2 (en) | 1984-09-19 | 1984-09-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14093684U JPH0221662Y2 (en) | 1984-09-19 | 1984-09-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6155562U true JPS6155562U (en) | 1986-04-14 |
| JPH0221662Y2 JPH0221662Y2 (en) | 1990-06-11 |
Family
ID=30699278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14093684U Expired JPH0221662Y2 (en) | 1984-09-19 | 1984-09-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221662Y2 (en) |
-
1984
- 1984-09-19 JP JP14093684U patent/JPH0221662Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0221662Y2 (en) | 1990-06-11 |
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