DE3880375T2 - Verzweigtes sensorsystem. - Google Patents
Verzweigtes sensorsystem.Info
- Publication number
- DE3880375T2 DE3880375T2 DE8888304957T DE3880375T DE3880375T2 DE 3880375 T2 DE3880375 T2 DE 3880375T2 DE 8888304957 T DE8888304957 T DE 8888304957T DE 3880375 T DE3880375 T DE 3880375T DE 3880375 T2 DE3880375 T2 DE 3880375T2
- Authority
- DE
- Germany
- Prior art keywords
- insulated
- conductors
- insulated conductors
- trunk line
- branch
- 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 - Fee Related
Links
Classifications
-
- 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
-
- 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
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
-
- 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
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electric Cable Installation (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Examining Or Testing Airtightness (AREA)
- Testing Of Coins (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
- Locating Faults (AREA)
- Geophysics And Detection Of Objects (AREA)
- Emergency Alarm Devices (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/057,459 US4843327A (en) | 1987-06-03 | 1987-06-03 | Branched sensor system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3880375D1 DE3880375D1 (de) | 1993-05-27 |
DE3880375T2 true DE3880375T2 (de) | 1993-07-29 |
Family
ID=22010665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888304957T Expired - Fee Related DE3880375T2 (de) | 1987-06-03 | 1988-05-31 | Verzweigtes sensorsystem. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4843327A (de) |
EP (1) | EP0294159B1 (de) |
JP (1) | JP2622400B2 (de) |
KR (1) | KR890000900A (de) |
AT (1) | ATE88575T1 (de) |
AU (1) | AU616183B2 (de) |
CA (1) | CA1325252C (de) |
DE (1) | DE3880375T2 (de) |
DK (1) | DK301188A (de) |
NO (1) | NO882429L (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5264796A (en) * | 1990-04-03 | 1993-11-23 | Ford Motor Company | Fault detection and isolation in automotive wiring harness including dedicated test line |
US5066919A (en) * | 1990-04-03 | 1991-11-19 | Ford Motor Company | Fault detection and isolation in automotive wiring harness by network analysis method |
US6777947B2 (en) | 2002-04-29 | 2004-08-17 | Tyco Thermal Controls Llc. | Sensor cable |
WO2005054805A2 (en) * | 2003-12-01 | 2005-06-16 | Raymond And 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 |
FR3035750B1 (fr) * | 2015-04-30 | 2018-06-15 | Schneider Electric Industries Sas | Dispositif de protection d'un reseau electrique |
JP6971948B2 (ja) * | 2018-10-05 | 2021-11-24 | 三菱電機ビルテクノサービス株式会社 | 漏液検出装置 |
JP7050014B2 (ja) * | 2019-01-15 | 2022-04-07 | 三菱電機ビルテクノサービス株式会社 | 漏液検出装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3234459A (en) * | 1959-01-02 | 1966-02-08 | Whitney Blake Co | Method and apparatus for locating faults in electrical cable lines by comparing the impedance of the entire faulted line to the impedance of a section of the line |
US3248646A (en) * | 1962-07-19 | 1966-04-26 | Whitney Blake Co | Location of cable faults by comparing a section of the faulted cable with a part of the section |
US3460123A (en) * | 1965-07-14 | 1969-08-05 | Jack V Bass | Clothing alarm means |
US3560850A (en) * | 1968-06-26 | 1971-02-02 | Elof A B Hojding | Systems for detecting and locating beginning faults in energized electric networks |
US4013924A (en) * | 1970-03-19 | 1977-03-22 | A/S E. Rasmussen | Methods and means for detecting the presence of moisture adjacent insulated pipes |
US3668472A (en) * | 1971-05-17 | 1972-06-06 | Gilbert Associates | Ground detection circuit for a d.c. distribution network |
US4442422A (en) * | 1982-03-31 | 1984-04-10 | Murata Manufacturing Co., Ltd. | Humidity sensitive resistor |
IL72246A (en) * | 1983-06-30 | 1989-09-28 | Raychem Corp | Method and apparatus for detecting and obtaining information about changes in variables |
AU572519B2 (en) * | 1983-06-30 | 1988-05-12 | Raychem Corporation | Method for detecting and obtaining information about changes in variables |
MX159109A (es) * | 1984-04-11 | 1989-04-20 | Raychem Corp | Mejoras a aparato electrico para detectar cambios en parametros variables |
JPS613300A (ja) * | 1984-04-11 | 1986-01-09 | レイケム・コ−ポレイシヨン | 可変状態の変化に関する情報の検出・獲得用装置 |
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 |
JPS60263872A (ja) * | 1984-06-07 | 1985-12-27 | レイケム・コ−ポレイシヨン | 出来事に関する情報の検知・位置検出用装置および方法 |
-
1987
- 1987-06-03 US US07/057,459 patent/US4843327A/en not_active Expired - Lifetime
-
1988
- 1988-05-31 EP EP88304957A patent/EP0294159B1/de not_active Expired - Lifetime
- 1988-05-31 AT AT88304957T patent/ATE88575T1/de active
- 1988-05-31 DE DE8888304957T patent/DE3880375T2/de not_active Expired - Fee Related
- 1988-06-02 AU AU17316/88A patent/AU616183B2/en not_active Ceased
- 1988-06-02 NO NO882429A patent/NO882429L/no unknown
- 1988-06-02 CA CA000568424A patent/CA1325252C/en not_active Expired - Lifetime
- 1988-06-02 JP JP63138238A patent/JP2622400B2/ja not_active Expired - Lifetime
- 1988-06-02 DK DK301188A patent/DK301188A/da not_active Application Discontinuation
- 1988-06-03 KR KR1019880006664A patent/KR890000900A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU616183B2 (en) | 1991-10-24 |
EP0294159A1 (de) | 1988-12-07 |
ATE88575T1 (de) | 1993-05-15 |
NO882429D0 (no) | 1988-06-02 |
US4843327A (en) | 1989-06-27 |
KR890000900A (ko) | 1989-03-17 |
JPS646839A (en) | 1989-01-11 |
AU1731688A (en) | 1988-12-08 |
DE3880375D1 (de) | 1993-05-27 |
CA1325252C (en) | 1993-12-14 |
DK301188D0 (da) | 1988-06-02 |
EP0294159B1 (de) | 1993-04-21 |
NO882429L (no) | 1988-12-05 |
DK301188A (da) | 1988-12-04 |
JP2622400B2 (ja) | 1997-06-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |