WO2013075861A3 - Metallsensor - Google Patents

Metallsensor Download PDF

Info

Publication number
WO2013075861A3
WO2013075861A3 PCT/EP2012/068720 EP2012068720W WO2013075861A3 WO 2013075861 A3 WO2013075861 A3 WO 2013075861A3 EP 2012068720 W EP2012068720 W EP 2012068720W WO 2013075861 A3 WO2013075861 A3 WO 2013075861A3
Authority
WO
WIPO (PCT)
Prior art keywords
coil
metal sensor
excited
additional
compensation
Prior art date
Application number
PCT/EP2012/068720
Other languages
English (en)
French (fr)
Other versions
WO2013075861A2 (de
Inventor
Markus Hahl
Tobias Zibold
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to CN201280057349.8A priority Critical patent/CN104126133A/zh
Priority to US14/359,600 priority patent/US9638825B2/en
Priority to EP12775457.0A priority patent/EP2783245A2/de
Publication of WO2013075861A2 publication Critical patent/WO2013075861A2/de
Publication of WO2013075861A3 publication Critical patent/WO2013075861A3/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
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

Ein Metallsensor weist eine Primärspule, eine Kompensationsspule, eine erste weitere Spule und einen Magnetfeldsensor auf. Dabei kann die erste weitere Spule bestromt werden, ohne die Primärspule und die Kompensationsspule zu bestromen.
PCT/EP2012/068720 2011-11-22 2012-09-24 Metallsensor WO2013075861A2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201280057349.8A CN104126133A (zh) 2011-11-22 2012-09-24 金属传感器
US14/359,600 US9638825B2 (en) 2011-11-22 2012-09-24 Metal sensor
EP12775457.0A EP2783245A2 (de) 2011-11-22 2012-09-24 Metallsensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011086773A DE102011086773A1 (de) 2011-11-22 2011-11-22 Metallsensor
DE102011086773.2 2011-11-22

Publications (2)

Publication Number Publication Date
WO2013075861A2 WO2013075861A2 (de) 2013-05-30
WO2013075861A3 true WO2013075861A3 (de) 2013-07-18

Family

ID=47049135

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/068720 WO2013075861A2 (de) 2011-11-22 2012-09-24 Metallsensor

Country Status (5)

Country Link
US (1) US9638825B2 (de)
EP (1) EP2783245A2 (de)
CN (1) CN104126133A (de)
DE (1) DE102011086773A1 (de)
WO (1) WO2013075861A2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9297922B2 (en) * 2013-03-21 2016-03-29 Vale S.A. Bucking circuit for annulling a magnetic field
EP3025411B1 (de) * 2013-07-12 2018-09-26 Schneider Electric USA, Inc. Verfahren und vorrichtung zur fremdobjekterkennung bei einer elektrischen induktionsladevorrichtung
US9829599B2 (en) * 2015-03-23 2017-11-28 Schneider Electric USA, Inc. Sensor and method for foreign object detection in induction electric charger
CN105182428B (zh) * 2015-07-29 2019-01-01 金华马卡科技有限公司 一种传感器、用于分析传感器的测量信号的方法以及检测物体的方法
US10185050B2 (en) * 2015-08-14 2019-01-22 Nabors Drilling Technologies Usa, Inc. Compensated transmit antenna for MWD resistivity tools
US9989663B1 (en) * 2015-09-09 2018-06-05 White's Electronics, Inc. Auto nulling of induction balance metal detector coils
CN109212614A (zh) * 2017-06-30 2019-01-15 北京至感传感器技术研究院有限公司 适用于开阔地的隐形安检系统及安检组件
CN107831547A (zh) * 2017-09-22 2018-03-23 永康市卓图工贸有限公司 一种金属探测器以及金属探测器对其检测线圈进行补偿的方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0300974A1 (de) * 1987-07-24 1989-01-25 Karl-Heinz Schmall Induktive Sensoreinrichtung
US20080074109A1 (en) * 2004-07-16 2008-03-27 Keiji Tsukada Magnetic Detecting Device and Material Identifying Device
US20080297158A1 (en) * 2007-05-31 2008-12-04 Zircon Corporation Gradiometric Directional Metal Detector

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB528568A (en) * 1938-02-26 1940-11-01 British Western Union Ltd Improvements in or relating to electromagnetic apparatus for determining location of concealed bodies
US3584299A (en) * 1969-07-11 1971-06-08 Sun Oil Co Hook-on power factor, volt and ampere meter
DE3840532A1 (de) * 1988-12-01 1990-06-07 Pepperl & Fuchs Verfahren zur induktiven erzeugung eines elektrischen messsignals zur bestimmung des weges und/oder der position im raum und/oder von materialeigenschaften eines pruefkoerpers und nach diesem verfahren aufgebauter naeherungssensor und verwendung desselben als naeherherungsschalter
CA2008009C (en) * 1989-01-20 1994-05-03 Hajime Hayashi Apparatus for measuring magnetic field
US5307072A (en) * 1992-07-09 1994-04-26 Polhemus Incorporated Non-concentricity compensation in position and orientation measurement systems
US5557206A (en) * 1995-02-23 1996-09-17 Geophex Ltd. Apparatus and method for detecting a weak induced magnetic field by means of two concentric transmitter loops
US5592939A (en) * 1995-06-14 1997-01-14 Martinelli; Michael A. Method and system for navigating a catheter probe
JP3630142B2 (ja) * 2002-03-01 2005-03-16 株式会社三協精機製作所 物体検知センサ
DE10235188B3 (de) * 2002-07-26 2004-04-01 Hydac Electronic Gmbh Verfahren zum Ermitteln der Position eines Stellelements eines elektrisch antreibbaren Aktuators, zugehörige Schaltungsanordnung und Vorrichtung
CN100353139C (zh) * 2004-08-18 2007-12-05 浙江大学 电涡流位移传感器的温度补偿方法
DE102004047188B4 (de) * 2004-09-29 2022-10-27 Robert Bosch Gmbh Vorrichtung zur Ortung metallischer Objekte
DE102004047189A1 (de) * 2004-09-29 2006-04-06 Robert Bosch Gmbh Sensor zur Ortung metallischer Objekte sowie Verfahren zur Auswertung von Messsignalen eines solchen Sensors
GB2441346B (en) * 2006-09-01 2011-04-13 Qinetiq Ltd Metal object detecting apparatus
DE112007003357A5 (de) * 2006-12-21 2009-12-03 Micro-Epsilon Messtechnik Gmbh & Co. Kg Verfahren und Sensoranordnung zum Bestimmen der Position und/oder Positionsänderung eines Messobjekts relativ zu einem Sensor
US10209321B2 (en) * 2007-05-29 2019-02-19 Nxp B.V. External magnetic field angle determination
JP5100212B2 (ja) * 2007-06-15 2012-12-19 株式会社東芝 磁性微粒子イメージング装置、検出コイル配設方法および磁束検出装置
DE102007029665B3 (de) * 2007-06-27 2008-12-04 Infineon Technologies Ag Verfahren und Vorrichtung zum definierten Magnetisieren von permanent magnetisierbaren Elementen und magnetoresistiven Sensorstrukturen
DE102009024268B4 (de) * 2009-06-05 2015-03-05 Integrated Dynamics Engineering Gmbh Magnetfeldkompensation
DE102009024826A1 (de) * 2009-06-13 2011-01-27 Integrated Dynamics Engineering Gmbh Kompensation elektromagnetischer Störfelder
DE102009049821A1 (de) * 2009-10-19 2011-04-21 Icontrols, K.S. Vorrichtung und Verfahren zur Detektion von elektrisch leitfähigen Gegenständen
JP4943529B2 (ja) * 2010-03-31 2012-05-30 日本航空電子工業株式会社 多軸フラックスゲート型磁気センサ
EP2431751A1 (de) * 2010-09-21 2012-03-21 Liaisons Electroniques-Mecaniques Lem S.A. Kompensations-Stromwandler mit Schaltverstärker
DE102010043078A1 (de) 2010-10-28 2012-05-03 Robert Bosch Gmbh Sensorvorrichtung, insbesondere Metallsensor, mit feldkompensiertem Magnetfeldsensor
US8947082B2 (en) * 2011-10-21 2015-02-03 University College Cork, National University Of Ireland Dual-axis anisotropic magnetoresistive sensors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0300974A1 (de) * 1987-07-24 1989-01-25 Karl-Heinz Schmall Induktive Sensoreinrichtung
US20080074109A1 (en) * 2004-07-16 2008-03-27 Keiji Tsukada Magnetic Detecting Device and Material Identifying Device
US20080297158A1 (en) * 2007-05-31 2008-12-04 Zircon Corporation Gradiometric Directional Metal Detector

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2783245A2 *

Also Published As

Publication number Publication date
CN104126133A (zh) 2014-10-29
US20140300351A1 (en) 2014-10-09
US9638825B2 (en) 2017-05-02
EP2783245A2 (de) 2014-10-01
WO2013075861A2 (de) 2013-05-30
DE102011086773A1 (de) 2013-05-23

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