JPH0297648U - - Google Patents
Info
- Publication number
- JPH0297648U JPH0297648U JP544589U JP544589U JPH0297648U JP H0297648 U JPH0297648 U JP H0297648U JP 544589 U JP544589 U JP 544589U JP 544589 U JP544589 U JP 544589U JP H0297648 U JPH0297648 U JP H0297648U
- Authority
- JP
- Japan
- Prior art keywords
- gas
- meter
- pipe
- flow rate
- minute
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
- Pipeline Systems (AREA)
Description
第１図は本考案による埋設配管のガス漏洩検出
装置の一実施例を示す配管路図、第２図は従来の
ガス配管を示す配管路図である。
１……ＬＰガスボンベ、２……第１の流路切換
弁、３……第１のガスメータ、４……第２のガス
メータ、５……埋設配管、６……第２の流路切換
弁、７……ガス配管、８……第３のガスメータ、
９……配管末端、１０……比較器、１１……伝送
装置、１２……ガス器具、１３……自動切換調整
器、１４……圧力調整器。
FIG. 1 is a piping route diagram showing an embodiment of the buried piping gas leak detection device according to the present invention, and FIG. 2 is a piping route diagram showing a conventional gas piping. 1... LP gas cylinder, 2... First flow path switching valve, 3... First gas meter, 4... Second gas meter, 5... Buried piping, 6... Second flow path switching valve, 7...Gas piping, 8...Third gas meter,
9...Piping end, 10...Comparator, 11...Transmission device, 12...Gas appliance, 13...Automatic switching regulator, 14...Pressure regulator.
Claims (1)
第１のガスメータと、 該第１のガスメータと並列に設けられ供給ガス
の単位時間当りの微少のガス流量を算出する第２
のガスメータと、 前記第１及び第２のガスメータに対するガス供
給を切換える第１の切換手段と、 地中に埋設され、前記第１又は第２のガスメー
タを通した前記供給ガスが導入される埋設配管と
ガス器具が接続される配管末端との間に接続した
ガス配管に分岐して設けられ、単位時間当りの微
少のガス流量を算出する第３のガスメータと、 該第３のガスメータ及びガス配管に対して前記
埋設配管より導出されるガスの供給を切換える第
２の切換手段と、 前記第２及び第３のガスメータで算出した各微
少ガス流量を比較する比較手段とを備え、 前記比較手段により第２のガスメータの微少ガ
ス流量が第３のガスメータの微少ガス流量に比し
て大きいとき、前記埋設配管よりのガス漏洩を検
出するようにした、 ことを特徴とする埋設配管のガス漏洩検出装置。[Scope of Claim for Utility Model Registration] A first gas meter that calculates the gas flow rate per unit time of the supplied gas, and a gas meter that is installed in parallel with the first gas meter and that calculates the minute gas flow rate per unit time of the supplied gas. Second
a gas meter; a first switching means for switching gas supply to the first and second gas meters; and a buried pipe buried underground into which the supplied gas is introduced through the first or second gas meter. and a third gas meter that is branched into the gas pipe connected between the gas pipe and the end of the pipe to which the gas appliance is connected, and that calculates a minute gas flow rate per unit time; and the third gas meter and the gas pipe. a second switching means for switching the supply of gas led out from the buried pipe; and a comparison means for comparing the minute gas flow rates calculated by the second and third gas meters; A gas leak detection device for a buried pipe, characterized in that a gas leak from the buried pipe is detected when the minute gas flow rate of the second gas meter is larger than the minute gas flow rate of the third gas meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP544589U JPH0631403Y2 (en) | 1989-01-23 | 1989-01-23 | Gas leak detector for buried piping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP544589U JPH0631403Y2 (en) | 1989-01-23 | 1989-01-23 | Gas leak detector for buried piping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0297648U true JPH0297648U (en) | 1990-08-03 |
| JPH0631403Y2 JPH0631403Y2 (en) | 1994-08-22 |
Family
ID=31208827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP544589U Expired - Lifetime JPH0631403Y2 (en) | 1989-01-23 | 1989-01-23 | Gas leak detector for buried piping |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0631403Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0517793U (en) * | 1991-08-20 | 1993-03-05 | 矢崎総業株式会社 | Piping gas leak detector |
| JP2001153709A (en) * | 1999-11-26 | 2001-06-08 | Nankai Gas Kk | Check system of slight gas delivery amount |
| KR200450036Y1 (en) * | 2008-04-22 | 2010-08-31 | 백성수 | A portable gas distributor |
| CN108679295A (en) * | 2018-08-16 | 2018-10-19 | 真兰仪表科技有限公司 | A kind of detection device and its application method for detecting gas meter valve leakage |
-
1989
- 1989-01-23 JP JP544589U patent/JPH0631403Y2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0517793U (en) * | 1991-08-20 | 1993-03-05 | 矢崎総業株式会社 | Piping gas leak detector |
| JP2001153709A (en) * | 1999-11-26 | 2001-06-08 | Nankai Gas Kk | Check system of slight gas delivery amount |
| KR200450036Y1 (en) * | 2008-04-22 | 2010-08-31 | 백성수 | A portable gas distributor |
| CN108679295A (en) * | 2018-08-16 | 2018-10-19 | 真兰仪表科技有限公司 | A kind of detection device and its application method for detecting gas meter valve leakage |
| CN108679295B (en) * | 2018-08-16 | 2024-02-09 | 真兰仪表科技有限公司 | Detection equipment for detecting leakage of gas meter valve and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0631403Y2 (en) | 1994-08-22 |
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