KR900702494A - 유동체내의 변화를 검출하기 위한 방법, 시스템 및 장치 - Google Patents
유동체내의 변화를 검출하기 위한 방법, 시스템 및 장치Info
- Publication number
- KR900702494A KR900702494A KR1019900700219A KR900700219A KR900702494A KR 900702494 A KR900702494 A KR 900702494A KR 1019900700219 A KR1019900700219 A KR 1019900700219A KR 900700219 A KR900700219 A KR 900700219A KR 900702494 A KR900702494 A KR 900702494A
- Authority
- KR
- South Korea
- Prior art keywords
- fault
- sub
- central unit
- continuity
- fluids
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/088—Aspects of digital computing
-
- 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
- G01M3/165—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means by means of cables or similar elongated devices, e.g. tapes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/54—Testing for continuity
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/018—Sensor coding by detecting magnitude of an electrical parameter, e.g. resistance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Locating Faults (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/202,278 US4922183A (en) | 1988-06-03 | 1988-06-03 | Methods, systems and apparatus for detecting changes in variables |
PCT/US1989/002438 WO1989012289A1 (en) | 1988-06-03 | 1989-06-05 | Methods, systems and apparatus for detecting changes in variables |
Publications (1)
Publication Number | Publication Date |
---|---|
KR900702494A true KR900702494A (ko) | 1990-12-07 |
Family
ID=22749205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900700219A KR900702494A (ko) | 1988-06-03 | 1990-02-02 | 유동체내의 변화를 검출하기 위한 방법, 시스템 및 장치 |
Country Status (9)
Country | Link |
---|---|
US (1) | US4922183A (ko) |
EP (1) | EP0418321B1 (ko) |
JP (1) | JPH03504764A (ko) |
KR (1) | KR900702494A (ko) |
AT (1) | ATE131646T1 (ko) |
AU (1) | AU3831789A (ko) |
CA (1) | CA1338513C (ko) |
DE (1) | DE68925118T2 (ko) |
WO (1) | WO1989012289A1 (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5191292A (en) * | 1990-04-26 | 1993-03-02 | Raychem Corporation | Method of making a sensor cable |
US5379237A (en) * | 1990-05-31 | 1995-01-03 | Integrated Diagnostic Measurement Corporation | Automated system for controlling the quality of regularly-shaped products during their manufacture |
US5101161A (en) * | 1990-10-12 | 1992-03-31 | Boston Edison Company | Non-destructive status determination for electric power cables |
FR2783926B1 (fr) * | 1998-09-28 | 2001-10-19 | Socrat | Procede et dispositif pour la localisation d'un defaut d'isolement d'un cable |
DE10133173A1 (de) * | 2001-07-07 | 2003-01-16 | Bosch Gmbh Robert | Vorrichtung zur Erkennung elektrisch leitfähiger Verunreinigungen auf der Anschlußseite eines elektrischen Verbinders |
US6777947B2 (en) | 2002-04-29 | 2004-08-17 | Tyco Thermal Controls Llc. | Sensor cable |
US7081759B2 (en) * | 2003-12-01 | 2006-07-25 | Raymond & Lae Engineering, Inc. | Fluid detection cable |
US8063309B2 (en) * | 2008-06-06 | 2011-11-22 | Raymond & Lae Engineering, Inc. | Twisted leak detection cable |
US8234910B2 (en) * | 2009-05-12 | 2012-08-07 | Raymond & Lae Engineering, Inc. | Aqueous chemical leak detection cable |
US8256269B2 (en) * | 2009-05-12 | 2012-09-04 | Raymond & Lae Engineering, Inc. | Aqueous chemical leak detection cable |
DE102012204866A1 (de) * | 2012-03-27 | 2013-10-02 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Diagnose einer Entladeschaltung eines elektrischen Systems |
GB201319099D0 (en) * | 2013-10-29 | 2013-12-11 | Wellstream Int Ltd | Detection apparatus and method |
FR3075959B1 (fr) * | 2017-12-22 | 2019-11-22 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Systeme de detection de fuite d'un fluide conducteur d'electricite depuis une enveloppe |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB991198A (en) * | 1962-12-07 | 1965-05-05 | Ass Elect Ind | Improvements in and relating to apparatus for detecting the location of an electric line fault |
CA968412A (en) * | 1970-03-13 | 1975-05-27 | Louis Ricard | Dispositif de surveillance de lignes electriques |
GB1571507A (en) * | 1977-01-24 | 1980-07-16 | Davis & Son Ltd John | Circuits and mehtods of monitoring their conductive statesand conditions |
DE2903266C2 (de) * | 1979-01-29 | 1985-08-08 | Siemens AG, 1000 Berlin und 8000 München | Gefahrenmeldeanlage |
US4605827A (en) * | 1980-02-07 | 1986-08-12 | Dcm Industries, Inc. | Line fault discriminator |
US4523187A (en) * | 1980-08-29 | 1985-06-11 | Norman W. Hutchinson & Sons Pty. Ltd. | Alarm system for electric fences |
US4446421A (en) * | 1981-06-22 | 1984-05-01 | Grumman Aerospace Corporation | Apparatus and method for locating faults in cables |
US4418312A (en) * | 1981-10-23 | 1983-11-29 | Bell Telephone Laboratories, Incorporated | Apparatus for testing multi-conductor cables |
EP0253085A1 (en) * | 1983-06-30 | 1988-01-20 | RAYCHEM CORPORATION (a Delaware corporation) | Method for detecting and obtaining information about changes in variables |
NZ208683A (en) * | 1983-06-30 | 1988-04-29 | Raychem Corp | Resistive sensor system for locating events |
CA1283721C (en) * | 1984-04-24 | 1991-04-30 | Louis Michael Frank | Device for use in an apparatus for detecting and locating information about an event |
-
1988
- 1988-06-03 US US07/202,278 patent/US4922183A/en not_active Expired - Lifetime
-
1989
- 1989-06-02 CA CA000601529A patent/CA1338513C/en not_active Expired - Fee Related
- 1989-06-05 AU AU38317/89A patent/AU3831789A/en not_active Abandoned
- 1989-06-05 AT AT89907501T patent/ATE131646T1/de not_active IP Right Cessation
- 1989-06-05 WO PCT/US1989/002438 patent/WO1989012289A1/en active IP Right Grant
- 1989-06-05 DE DE68925118T patent/DE68925118T2/de not_active Expired - Fee Related
- 1989-06-05 EP EP89907501A patent/EP0418321B1/en not_active Expired - Lifetime
- 1989-06-05 JP JP1506874A patent/JPH03504764A/ja active Pending
-
1990
- 1990-02-02 KR KR1019900700219A patent/KR900702494A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA1338513C (en) | 1996-08-06 |
WO1989012289A1 (en) | 1989-12-14 |
DE68925118D1 (de) | 1996-01-25 |
JPH03504764A (ja) | 1991-10-17 |
ATE131646T1 (de) | 1995-12-15 |
EP0418321A1 (en) | 1991-03-27 |
AU3831789A (en) | 1990-01-05 |
EP0418321B1 (en) | 1995-12-13 |
US4922183A (en) | 1990-05-01 |
DE68925118T2 (de) | 1996-08-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR900702494A (ko) | 유동체내의 변화를 검출하기 위한 방법, 시스템 및 장치 | |
PE50298A1 (es) | Dispositivo para la deteccion de descargas electricas en un objeto de pruebas | |
BR0010695A (pt) | Aparelho e método de detecção de status para equipamento elétrico enchido com fluido | |
CN101738568A (zh) | 分布式直流接地故障检测装置 | |
KR920003701A (ko) | 디지탈 루프 전송 시스템과 채널 유닛 타잎 테스트 장치 및 방법 | |
CN2924549Y (zh) | 照明电缆断电时被盗检测装置 | |
US5563578A (en) | Detection of hazardous gas leakage | |
NO20002643D0 (no) | Krets for overvÕking av feilfri tilstand og/eller pÕvisning av feilbefengt tilstand i et system | |
SE9203528D0 (sv) | Foer en bitfelsoevervakning i en vaeljarutrustning avsedd anordning | |
EP0072650A2 (en) | Component state monitoring | |
DE69605058D1 (de) | Ereignisdetektionsvorrichtung mit fehlerüberwachung | |
DK0938663T3 (da) | Fremgangsmåde til testning af pålideligheden af et pröveapparat, især et inspektionsapparat for tomme flasker | |
KR101986491B1 (ko) | 케이블 결함 거리 및 방향 검출 장치 | |
CN116908587A (zh) | 一种全光纤电流互感器预警方法、系统、存储介质及计算机设备 | |
CN103592576A (zh) | 基于gis的电力电缆的防盗监测定位系统及监测方法 | |
KR900006011B1 (ko) | 도관 및 밸브의 유체 충진 회로망의 연속성 모니터 방법 및 그 시스템 | |
CN207742273U (zh) | 一种电子设备故障检测仪 | |
US5241516A (en) | Diver navigation system | |
US4095220A (en) | Alarm detection and identification system | |
JPS6181036A (ja) | 電力線搬送によるガス漏れ集中監視方式 | |
MY125066A (en) | Alarm reporting apparatus | |
US20020053914A1 (en) | Arc location | |
CN107515188A (zh) | 一种基于labview软件的海底腐蚀检测仪操作系统 | |
SU1725074A1 (ru) | Устройство дл определени места короткого замыкани линии электропередачи | |
JPS5664633A (en) | Leak monitoring system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |