ES2142555T3 - Dispositivo de proximidad inductivo universal. - Google Patents

Dispositivo de proximidad inductivo universal.

Info

Publication number
ES2142555T3
ES2142555T3 ES96401916T ES96401916T ES2142555T3 ES 2142555 T3 ES2142555 T3 ES 2142555T3 ES 96401916 T ES96401916 T ES 96401916T ES 96401916 T ES96401916 T ES 96401916T ES 2142555 T3 ES2142555 T3 ES 2142555T3
Authority
ES
Spain
Prior art keywords
inductive proximity
proximity device
oscillator
universal inductive
universal
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
ES96401916T
Other languages
English (en)
Inventor
Christophe Guichard
Stephane Even
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
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 Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Application granted granted Critical
Publication of ES2142555T3 publication Critical patent/ES2142555T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/952—Proximity switches using a magnetic detector using inductive coils
    • H03K17/9537—Proximity switches using a magnetic detector using inductive coils in a resonant circuit
    • H03K17/9542—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator
    • H03K17/9547—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator with variable amplitude
    • 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
    • G01V3/101—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/945—Proximity switches
    • H03K2217/95—Proximity switches using a magnetic detector
    • H03K2217/952—Detection of ferromagnetic and non-magnetic conductive targets

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)
  • Geophysics And Detection Of Objects (AREA)
  • Electronic Switches (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

DETECTOR DE PROXIMIDAD INDUCTIVO UNIVERSAL QUE COMPRENDE UN OSCILADOR CUYO CIRCUITO OSCILANTE ES ALIMENTADO POR UNA FUENTE DE CORRIENTE. AL OSCILADOR 10 ESTA ACOPLADO UN OSCILADOR PILOTO 16 DE FRECUENCIA FIJA QUE CONTROLA LA FUENTE DE CORRIENTE 18 PARA QUE ESTA EXCITE EL CIRCUITO OSCILANTE CON UNA CORRIENTE CONTINUA PERIODICA.
ES96401916T 1995-09-08 1996-09-05 Dispositivo de proximidad inductivo universal. Expired - Lifetime ES2142555T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9510642A FR2738643B1 (fr) 1995-09-08 1995-09-08 Detecteur de proximite inductif universel

Publications (1)

Publication Number Publication Date
ES2142555T3 true ES2142555T3 (es) 2000-04-16

Family

ID=9482447

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96401916T Expired - Lifetime ES2142555T3 (es) 1995-09-08 1996-09-05 Dispositivo de proximidad inductivo universal.

Country Status (9)

Country Link
US (1) US5767672A (es)
EP (1) EP0762147B1 (es)
JP (1) JPH09139661A (es)
CN (1) CN1105921C (es)
BR (1) BR9603687A (es)
DE (1) DE69606595T2 (es)
ES (1) ES2142555T3 (es)
FR (1) FR2738643B1 (es)
TW (1) TW326079B (es)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2771822B1 (fr) * 1997-11-28 1999-12-31 Schneider Electric Sa Detecteur de proximite inductif configurable
US6087743A (en) * 1998-09-10 2000-07-11 Wisconsin Alumni Research Foundation Position control system for use with micromechanical actuators
US6600380B1 (en) 1998-12-08 2003-07-29 Baumer Electric Ag Method and device for measuring the damping of an LC-oscillating circuit
DE29906448U1 (de) * 1999-04-12 1999-08-12 Alfons Haar Maschinenbau Gmbh & Co, 22547 Hamburg Sensor zur berührungslosen Messung der Drehung eines Rotors in einem Flüssigkeitsdurchflußmesser
US6208134B1 (en) * 1999-09-30 2001-03-27 Honeywell International Inc Interference-tolerant proximity sensor system having a resonance-tracking impedance analyzer
US6424145B1 (en) * 2000-02-29 2002-07-23 Eldec Corporation Inductive proximity sensor for detecting ferromagnetic, non-permeable or magnet targets
IL135730A (en) * 2000-04-18 2004-05-12 Visonic Ltd Displacement sensor
US6543505B1 (en) 2000-04-21 2003-04-08 Koch Equipment, Llc Empty package detector for labeling apparatus
US6650111B2 (en) * 2001-07-18 2003-11-18 Eaton Corporation Pulsed excited proximity sensor
US7078906B2 (en) * 2003-09-23 2006-07-18 The Johns Hopkins University Simultaneous time-domain and frequency-domain metal detector
ITMO20030300A1 (it) * 2003-11-07 2005-05-08 M D Micro Detectors Spa Sensore di prossimita' induttivo, in particolare per rilevare la presenza di materiali ferrosi e non ferrosi
US7528597B2 (en) * 2004-03-08 2009-05-05 Digisensors, Inc. Induction sensor
DE102004047188B4 (de) * 2004-09-29 2022-10-27 Robert Bosch Gmbh Vorrichtung zur Ortung metallischer Objekte
US7271585B2 (en) * 2004-12-01 2007-09-18 Simmonds Precision Products, Inc. Method of fabricating a multilayer wiring board proximity sensor
US7511476B2 (en) * 2005-01-04 2009-03-31 Digisensors, Inc. Electromagnetic sensor systems and methods of use thereof
US7816911B2 (en) * 2005-03-07 2010-10-19 Digisensors, Inc. Electromagnetic sensor systems
US7898244B2 (en) * 2005-03-07 2011-03-01 Digisensors, Inc. Electromagnetic sensor systems
GB0718005D0 (en) * 2007-09-14 2007-10-24 Oxford Rf Sensors Ltd Totor blade sensor
US8522604B2 (en) * 2008-10-31 2013-09-03 The University Of Akron Metal wear detection apparatus and method employing microfluidic electronic device
DE102009044820B4 (de) 2009-12-08 2011-09-01 Turck Holding Gmbh Selbstkalibrierender Näherungsschalter
DE102011016504B4 (de) * 2011-04-08 2013-07-18 Behr-Hella Thermocontrol Gmbh Anzeigevorrichtung für eine Fahrzeugkomponente
GB2509884B (en) 2011-11-16 2018-10-17 Tyco Fire & Security Gmbh Motion detection systems and methodologies
US9229066B2 (en) 2013-08-15 2016-01-05 Texas Instruments Incorporated Integrated fluxgate magnetic sensor and excitation circuitry
DE102014213741A1 (de) * 2014-07-15 2016-02-18 Micro-Epsilon Messtechnik Gmbh & Co. Kg Schaltung und Verfahren zum Ansteuern eines Wegmesssensors
US11092656B2 (en) 2015-05-12 2021-08-17 Texas Instruments Incorporated Fluxgate magnetic field detection method and circuit
EP3842189A4 (en) * 2019-08-02 2022-07-13 Shenzhen Yuejiang Technology Co., Ltd. OBSTACLE AVOIDANCE METHOD FOR APPARATUS, AND CONTROL APPARATUS AND DEVICE

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609580A (en) * 1969-11-14 1971-09-28 Westinghouse Electric Corp Electrical sensing apparatus
US3683351A (en) * 1970-01-07 1972-08-08 Merton F Wilcox Presence detector
US4001718A (en) * 1975-05-12 1977-01-04 Electro Corporation Linear oscillator for proximity sensor
US4182986A (en) * 1976-10-21 1980-01-08 Parker Edward I Test, control and gauging method using locked oscillators
FR2614431B1 (fr) * 1987-04-23 1989-06-16 Telemecanique Electrique Circuit de traitement d'un signal pseudo-oscillatoire, notamment pour detecteur de proximite inductif
DE3900802A1 (de) * 1989-01-13 1990-07-19 Lohse Christian Schalttech Temperaturstabiler schwingkreisoszillator
DE59010206D1 (de) * 1989-05-19 1996-04-25 Festo Kg Temperaturstabiler induktiver Näherungsschalter
US5463354A (en) * 1991-12-31 1995-10-31 Square D Company Proximity switches including long tail pair with emitter follower feedback
FR2716979B1 (fr) * 1994-03-04 1996-03-29 Telemecanique Détecteur de proximité inductif.

Also Published As

Publication number Publication date
FR2738643A1 (fr) 1997-03-14
EP0762147B1 (fr) 2000-02-09
FR2738643B1 (fr) 1997-12-26
BR9603687A (pt) 1998-05-19
JPH09139661A (ja) 1997-05-27
DE69606595T2 (de) 2000-07-06
CN1105921C (zh) 2003-04-16
CN1156255A (zh) 1997-08-06
EP0762147A1 (fr) 1997-03-12
TW326079B (en) 1998-02-01
DE69606595D1 (de) 2000-03-16
US5767672A (en) 1998-06-16

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