JPS6312528B2 - - Google Patents

Info

Publication number
JPS6312528B2
JPS6312528B2 JP12558381A JP12558381A JPS6312528B2 JP S6312528 B2 JPS6312528 B2 JP S6312528B2 JP 12558381 A JP12558381 A JP 12558381A JP 12558381 A JP12558381 A JP 12558381A JP S6312528 B2 JPS6312528 B2 JP S6312528B2
Authority
JP
Japan
Prior art keywords
coaxial cable
propagation delay
detection
delay time
liquid
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
Application number
JP12558381A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5826239A (ja
Inventor
Kyoshi Masuda
Tsuruo Edo
Saburo Hirai
Hitoshi Naito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP12558381A priority Critical patent/JPS5826239A/ja
Publication of JPS5826239A publication Critical patent/JPS5826239A/ja
Publication of JPS6312528B2 publication Critical patent/JPS6312528B2/ja
Granted legal-status Critical Current

Links

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
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
JP12558381A 1981-08-10 1981-08-10 液漏洩位置の検出方法 Granted JPS5826239A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12558381A JPS5826239A (ja) 1981-08-10 1981-08-10 液漏洩位置の検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12558381A JPS5826239A (ja) 1981-08-10 1981-08-10 液漏洩位置の検出方法

Publications (2)

Publication Number Publication Date
JPS5826239A JPS5826239A (ja) 1983-02-16
JPS6312528B2 true JPS6312528B2 (enExample) 1988-03-19

Family

ID=14913765

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12558381A Granted JPS5826239A (ja) 1981-08-10 1981-08-10 液漏洩位置の検出方法

Country Status (1)

Country Link
JP (1) JPS5826239A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5457990A (en) * 1991-12-03 1995-10-17 Cambridge Consultants Limited Method and apparatus for determining a fluid level in the vicinity of a transmission line
US5648724A (en) * 1996-02-08 1997-07-15 U.S. Army Corps Of Engineers As Represented By The Secretary Of The Army Metallic time-domain reflectometry roof moisture sensor
KR100474931B1 (ko) * 2002-06-03 2005-03-08 (주)와콘 액체관 네트워크 구축 방법 및 액체관 누수탐지 시스템의 데이터 보정방법
AT501758B1 (de) * 2005-07-13 2006-11-15 Bier Guenther Ing Verfahren zur ortung von leckagen in rohren
CN108761257B (zh) * 2018-03-21 2024-09-13 北京蓝宇天翔环境科技有限公司 新型的智能热管网泄露和定位监测系统及方法
JP6998908B2 (ja) * 2018-04-18 2022-01-18 タツタ電線株式会社 位置検知システム及び位置検知方法
CN110939874B (zh) * 2019-12-16 2021-08-31 重庆邮电大学 基于四阶累积量的管道泄漏振动信号自适应时延估计方法

Also Published As

Publication number Publication date
JPS5826239A (ja) 1983-02-16

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