JPH0464018B2 - - Google Patents
Info
- Publication number
- JPH0464018B2 JPH0464018B2 JP6919083A JP6919083A JPH0464018B2 JP H0464018 B2 JPH0464018 B2 JP H0464018B2 JP 6919083 A JP6919083 A JP 6919083A JP 6919083 A JP6919083 A JP 6919083A JP H0464018 B2 JPH0464018 B2 JP H0464018B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- water
- water leakage
- circuit
- logic
- 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 74
- 230000010354 integration Effects 0.000 claims description 29
- 238000007493 shaping process Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
- G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Pipeline Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6919083A JPS59195139A (ja) | 1983-04-21 | 1983-04-21 | 漏水検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6919083A JPS59195139A (ja) | 1983-04-21 | 1983-04-21 | 漏水検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59195139A JPS59195139A (ja) | 1984-11-06 |
| JPH0464018B2 true JPH0464018B2 (en]) | 1992-10-13 |
Family
ID=13395557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6919083A Granted JPS59195139A (ja) | 1983-04-21 | 1983-04-21 | 漏水検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59195139A (en]) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2593915B1 (fr) * | 1986-01-31 | 1989-08-11 | Parisienne Chauffage Urbain | Dispositif acoustique de detection de fuites sur une canalisation d'eau sous pression |
| JPS63101844U (en]) * | 1986-12-22 | 1988-07-02 | ||
| JPH02143134A (ja) * | 1988-11-25 | 1990-06-01 | Sumiden Opukomu Kk | リークディテクタ |
| JP5701537B2 (ja) * | 2010-08-11 | 2015-04-15 | 株式会社東芝 | 漏水検出装置 |
| CN110529745B (zh) * | 2019-08-05 | 2021-03-12 | 上海第二工业大学 | 一种频域下光纤检测管道泄漏与位置的算法 |
| CN111637369B (zh) * | 2020-06-04 | 2021-02-05 | 浙江和达科技股份有限公司 | 一种供水管网防渗透的维护方法和维护系统 |
-
1983
- 1983-04-21 JP JP6919083A patent/JPS59195139A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59195139A (ja) | 1984-11-06 |
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