DE3777265D1 - Anordnung zur erfassung von hochspannungen. - Google Patents

Anordnung zur erfassung von hochspannungen.

Info

Publication number
DE3777265D1
DE3777265D1 DE8787304611T DE3777265T DE3777265D1 DE 3777265 D1 DE3777265 D1 DE 3777265D1 DE 8787304611 T DE8787304611 T DE 8787304611T DE 3777265 T DE3777265 T DE 3777265T DE 3777265 D1 DE3777265 D1 DE 3777265D1
Authority
DE
Germany
Prior art keywords
high voltage
arrangement
underground
boring device
path
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 - Lifetime
Application number
DE8787304611T
Other languages
English (en)
Inventor
Albert W Chau
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.)
Utilx Corp
Original Assignee
Utilx Corp
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 Utilx Corp filed Critical Utilx Corp
Application granted granted Critical
Publication of DE3777265D1 publication Critical patent/DE3777265D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/003—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings with electrically conducting or insulating means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/144—Measuring arrangements for voltage not covered by other subgroups of G01R15/14
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145—Indicating the presence of current or voltage
    • G01R19/155—Indicating the presence of voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Geophysics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Details Of Television Scanning (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Earth Drilling (AREA)
DE8787304611T 1986-05-22 1987-05-22 Anordnung zur erfassung von hochspannungen. Expired - Lifetime DE3777265D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/866,170 US4755805A (en) 1986-05-22 1986-05-22 Current sensing alarm arrangement for monitoring the presence of high voltage

Publications (1)

Publication Number Publication Date
DE3777265D1 true DE3777265D1 (de) 1992-04-16

Family

ID=25347057

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787304611T Expired - Lifetime DE3777265D1 (de) 1986-05-22 1987-05-22 Anordnung zur erfassung von hochspannungen.

Country Status (7)

Country Link
US (1) US4755805A (de)
EP (1) EP0253477B1 (de)
JP (1) JPS6325569A (de)
AT (1) ATE73548T1 (de)
AU (1) AU591408B2 (de)
CA (1) CA1265582A (de)
DE (1) DE3777265D1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027108A (en) * 1990-03-05 1991-06-25 Gray Alden J Buried power line contact alert
US5065142A (en) * 1990-05-23 1991-11-12 Service Machine Company Voltage pickup circuit and flashing display for high voltage indicator device, and input electrode therefor
US5051733A (en) * 1990-05-23 1991-09-24 Service Machine Company High voltage indicator device
US5821563A (en) * 1990-12-25 1998-10-13 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device free from reverse leakage and throw leakage
EP0505662A1 (de) * 1991-03-28 1992-09-30 COMTEC ELECTRONICS PRODUCTS AND COMPONENTS S.r.l. Zerhacker mit veränderlichen Ein- und Ausschaltzeiten
US5684466A (en) * 1995-09-12 1997-11-04 The Charles Machine Work, Inc. Electrical strike system control for subsurface boring equipment
GB9604328D0 (en) * 1996-02-29 1996-05-01 Lloyd Jones David Alarm apparatus
US5929758A (en) * 1997-10-29 1999-07-27 At&T Corp Method and apparatus for achieving parallel cable boring
US6229446B1 (en) * 1998-09-02 2001-05-08 David Lloyd-Jones Alarm apparatus
US6091337A (en) * 1999-03-15 2000-07-18 Case Corporation High voltage contact monitor with built-in self tester
CA2381674A1 (en) 2002-04-12 2003-10-12 Layne Daniel Tucker Method and apparatus for determining positioning of mobile machines relative to utility lines
US6993981B1 (en) * 2002-05-24 2006-02-07 Merlin Technology, Inc. Tension monitoring arrangement and method
CA2416513C (en) 2003-01-17 2009-09-15 Guardian Angel Protection Inc. Method of locating underground utility lines and an underground utility line
CA2418157C (en) 2003-01-31 2009-09-01 Guardian Angel Protection Inc. Method of dynamically tracking a location of one or more selected utilities
US6949934B1 (en) 2003-05-07 2005-09-27 Abb Technology Ag Fault-annuciating system for a transformer
US8459372B1 (en) 2008-09-11 2013-06-11 Wayne Branson Collins Voltage sensing drill with automatic shut-off
US10683712B2 (en) * 2018-01-17 2020-06-16 Caterpillar Inc. System and method for monitoring cable life
WO2023138986A1 (en) 2022-01-24 2023-07-27 Koninklijke Philips N.V. Sympathetic nervous system response to blood flow alterations in renal vasculature for patient stratification in renal denervation

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478147A (en) * 1948-05-19 1949-08-02 Us Rubber Co Electrical protective system
US3141156A (en) * 1961-06-14 1964-07-14 Harry J Freedman Danger indicator
US3296494A (en) * 1963-06-24 1967-01-03 Jr Andrew Stenger Voltage responsive devices and methods of voltage detection
US3699432A (en) * 1970-06-25 1972-10-17 Environment Metrology Corp Electrical shock hazard detection system with station scanning and indicating means
US3868569A (en) * 1973-05-08 1975-02-25 Carl H Faust Apparatus and method for distinguishing between energized and induced voltages on high voltage power lines
US3823342A (en) * 1973-06-25 1974-07-09 Consolidation Coal Co Voltage protection circuitry for direct current powered machinery
US3831160A (en) * 1973-10-01 1974-08-20 Gen Electric Voltage and current monitoring system
US3987425A (en) * 1973-12-13 1976-10-19 Electronic Surveillance Corporation Leakage resistance detector and alarm circuit
US3943409A (en) * 1974-08-13 1976-03-09 Square D Company Monitor assembly for ground fault interrupter
DE2849017A1 (de) * 1977-11-17 1979-05-23 Winster Eng Ltd Zuleitungssystem fuer bergwerksmaschinen untertage
US4227405A (en) * 1979-04-06 1980-10-14 Century Geophysical Corporation Digital mineral logging system
FR2502789A1 (fr) * 1981-03-26 1982-10-01 Singer Edouard Perfectionnement aux dispositifs portatifs de verification d'absence de tension sur des installations a haute et tres haute tension alternative
US4398188A (en) * 1981-10-07 1983-08-09 Feigal Donn L Ground circuit voltage detector
GB2107375B (en) * 1981-10-13 1985-01-23 Coal Ind Rotary cutter heads for mining machines and mining equipment comprising rotary cutter heads
CA1199386A (fr) * 1983-07-25 1986-01-14 Marius Cloutier Methode et systeme de detection de proximite de lignes electriques
IT1194378B (it) * 1983-08-26 1988-09-22 Bassani Spa Dispositivo di rilevazione del passaggio di corrente in uno o piu' conduttori
JPS6128640A (ja) * 1984-07-18 1986-02-08 Tokyo Gas Co Ltd 掘削装置

Also Published As

Publication number Publication date
AU591408B2 (en) 1989-11-30
JPS6325569A (ja) 1988-02-03
AU7327887A (en) 1987-11-26
US4755805A (en) 1988-07-05
EP0253477B1 (de) 1992-03-11
ATE73548T1 (de) 1992-03-15
EP0253477A1 (de) 1988-01-20
CA1265582A (en) 1990-02-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee