WO2014191351A3 - Induktiver sensor - Google Patents

Induktiver sensor Download PDF

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Publication number
WO2014191351A3
WO2014191351A3 PCT/EP2014/060825 EP2014060825W WO2014191351A3 WO 2014191351 A3 WO2014191351 A3 WO 2014191351A3 EP 2014060825 W EP2014060825 W EP 2014060825W WO 2014191351 A3 WO2014191351 A3 WO 2014191351A3
Authority
WO
WIPO (PCT)
Prior art keywords
coils
flat
metal object
sensor
coil
Prior art date
Application number
PCT/EP2014/060825
Other languages
English (en)
French (fr)
Other versions
WO2014191351A2 (de
Inventor
Ralf Ph. Schmidt
Original Assignee
iCONTROLS k.s.
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 iCONTROLS k.s. filed Critical iCONTROLS k.s.
Publication of WO2014191351A2 publication Critical patent/WO2014191351A2/de
Publication of WO2014191351A3 publication Critical patent/WO2014191351A3/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
    • G01V3/105—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops
    • G01V3/107—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops using compensating coil or loop arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/028—Electrodynamic magnetometers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Geophysics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

Zum Erfassen eines Material- und/oder Formparameters eines Metallgegenstands (3) wird ein induktiver Sensor (1) vorgeschlagen, der drei mit ihren Flachseiten parallel oder zumindest angenähert parallel zueinander gestapelt angeordnete und sich teilweise überlappende Flachspulen (7, 9, 11) umfasst. Die beiden äußeren Flachspulen (7, 11) bilden entweder Sendespulen zum Induzieren von Wirbelströmen in dem Metallgegenstand (3) oder aber Empfangsspulen, deren Antwortsignal auf das Magnetfeld der Wirbelströme anspricht. Die beiden äußeren Flachspulen haben gleiche magnetische Eigenschaften und werden in einer Differenzschaltung betrieben, die bei fehlendem Metallgegenstand (3) den Einfluss auf die mittlere Flachspule (9) zu Null kompensiert. Um die Empfindlichkeit des Sensors (1) zu erhöhen, wird der Sensor mit zur Flachseite paralleler, vorbestimmter Erfassungsrichtung betrieben, wobei die beiden äußeren Flachspulen (7, 1) bezogen auf die mittlere Flachspule (9) gegensinnig um gleiche Abstände (Δx) versetzt sind.
PCT/EP2014/060825 2013-05-27 2014-05-26 Induktiver sensor WO2014191351A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013209808.1 2013-05-27
DE102013209808.1A DE102013209808A1 (de) 2013-05-27 2013-05-27 Induktiver Sensor

Publications (2)

Publication Number Publication Date
WO2014191351A2 WO2014191351A2 (de) 2014-12-04
WO2014191351A3 true WO2014191351A3 (de) 2015-02-19

Family

ID=50842247

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/060825 WO2014191351A2 (de) 2013-05-27 2014-05-26 Induktiver sensor

Country Status (2)

Country Link
DE (1) DE102013209808A1 (de)
WO (1) WO2014191351A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108028648B (zh) 2015-09-11 2021-06-11 巴鲁夫股份有限公司 用于检测目标物体的传感器设备和用于运行用于检测目标物体的传感器设备的方法
DE102017107708A1 (de) * 2017-04-10 2018-10-11 Prüftechnik Dieter Busch AG Differenzsonde, Prüfvorrichtung und Herstellungsverfahren
DE102019206989A1 (de) * 2019-05-14 2020-11-19 Thyssenkrupp Ag Verfahren und Vorrichtung zur induktiven Prüfung von metallischen Werkstücken zur Detektion von oberflächennahen Anomalien
DE102020114882A1 (de) 2020-06-04 2021-12-09 Asm Automation Sensorik Messtechnik Gmbh Magnetostriktiver Positions-Sensor mit Detektorspule in einem Chip

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080297158A1 (en) * 2007-05-31 2008-12-04 Zircon Corporation Gradiometric Directional Metal Detector
EP2511736A1 (de) * 2011-04-15 2012-10-17 iControls, k.s. Vorrichtung und Verfahren zur Detektion von elektrisch leitfähigen Gegenständen
EP2567264A2 (de) * 2010-05-07 2013-03-13 Robert Bosch GmbH Erfassung eines metallischen oder magnetischen objekts
EP2589987A1 (de) * 2011-11-07 2013-05-08 Robert Bosch GmbH Ortungsgerät

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8807301D0 (en) 1988-03-26 1988-04-27 Philpot Electronics Ltd Detector
US5659248A (en) * 1994-10-17 1997-08-19 General Electric Company Multilayer eddy current probe array for complete coverage of an inspection surface without mechanical scanning
US6707297B2 (en) 2002-04-15 2004-03-16 General Electric Company Method for in-situ eddy current inspection of coated components in turbine engines
US6888347B2 (en) * 2003-09-12 2005-05-03 General Electric Company Omnidirectional eddy current probes, array probes, and inspection systems
FR2904693B1 (fr) * 2006-08-03 2008-10-24 Commissariat Energie Atomique Dispositif de controle par courants de foucault a fonctions emission/reception separees d'une piece electriquement conductrice
DE102009049821A1 (de) 2009-10-19 2011-04-21 Icontrols, K.S. Vorrichtung und Verfahren zur Detektion von elektrisch leitfähigen Gegenständen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080297158A1 (en) * 2007-05-31 2008-12-04 Zircon Corporation Gradiometric Directional Metal Detector
EP2567264A2 (de) * 2010-05-07 2013-03-13 Robert Bosch GmbH Erfassung eines metallischen oder magnetischen objekts
EP2511736A1 (de) * 2011-04-15 2012-10-17 iControls, k.s. Vorrichtung und Verfahren zur Detektion von elektrisch leitfähigen Gegenständen
EP2589987A1 (de) * 2011-11-07 2013-05-08 Robert Bosch GmbH Ortungsgerät

Also Published As

Publication number Publication date
DE102013209808A1 (de) 2014-11-27
WO2014191351A2 (de) 2014-12-04

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