DE19824510B4 - Mangetischer Annäherungssensor für einen Gegenstand aus Eisen - Google Patents
Mangetischer Annäherungssensor für einen Gegenstand aus Eisen Download PDFInfo
- Publication number
- DE19824510B4 DE19824510B4 DE19824510A DE19824510A DE19824510B4 DE 19824510 B4 DE19824510 B4 DE 19824510B4 DE 19824510 A DE19824510 A DE 19824510A DE 19824510 A DE19824510 A DE 19824510A DE 19824510 B4 DE19824510 B4 DE 19824510B4
- Authority
- DE
- Germany
- Prior art keywords
- magnets
- sensor
- iron
- flow
- flux
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 42
- 230000004907 flux Effects 0.000 claims abstract description 66
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 230000001939 inductive effect Effects 0.000 claims abstract 3
- 229910000828 alnico Inorganic materials 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 10
- 150000002910 rare earth metals Chemical class 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims 2
- 238000012360 testing method Methods 0.000 description 16
- 230000005355 Hall effect Effects 0.000 description 14
- 230000004044 response Effects 0.000 description 13
- 239000000463 material Substances 0.000 description 9
- 238000013459 approach Methods 0.000 description 8
- 238000005457 optimization Methods 0.000 description 7
- 238000004382 potting Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/147—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the movement of a third element, the position of Hall device and the source of magnetic field being fixed in respect to each other
-
- 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
-
- 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
- H03K17/9517—Proximity switches using a magnetic detector using galvanomagnetic devices
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Measuring Magnetic Variables (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4825797P | 1997-06-02 | 1997-06-02 | |
| US048257 | 1997-06-02 | ||
| US08/993,723 US6127821A (en) | 1997-06-02 | 1997-12-18 | System for adjusting a magnetic sensor to detect the presence of ferrous objects |
| US993723 | 1997-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE19824510A1 DE19824510A1 (de) | 1999-05-20 |
| DE19824510B4 true DE19824510B4 (de) | 2010-08-19 |
Family
ID=26725946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19824510A Expired - Fee Related DE19824510B4 (de) | 1997-06-02 | 1998-06-02 | Mangetischer Annäherungssensor für einen Gegenstand aus Eisen |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6127821A (enExample) |
| JP (1) | JPH1194951A (enExample) |
| DE (1) | DE19824510B4 (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10009173A1 (de) * | 2000-02-26 | 2001-09-06 | Bosch Gmbh Robert | Messvorrichtung zur berührungslosen Erfassung eines ferromagnetischen Gegenstandes |
| AU2002363481A1 (en) * | 2001-11-05 | 2003-05-19 | Dana Corporation | Minature magnetic device package |
| FR2839361B1 (fr) * | 2002-05-06 | 2004-09-17 | Siemens Vdo Automotive | Procede et dispositif de reglage d'un detecteur du passage d'une discontinuite d'une piece metallique mobile |
| EP1518131B1 (en) * | 2002-07-01 | 2005-10-26 | European Organisation for Nuclear Research CERN | Device for calibration of magnetic sensors in three dimensions |
| US7433728B2 (en) * | 2003-05-29 | 2008-10-07 | Biosense, Inc. | Dynamic metal immunity by hysteresis |
| US7974680B2 (en) * | 2003-05-29 | 2011-07-05 | Biosense, Inc. | Hysteresis assessment for metal immunity |
| US7321228B2 (en) * | 2003-07-31 | 2008-01-22 | Biosense Webster, Inc. | Detection of metal disturbance in a magnetic tracking system |
| NO320062B1 (no) | 2003-11-19 | 2005-10-17 | New Interaction Devices And Te | Anordning til a detektere naerhet mellom et forste objekt (malobjekt) og et annet objekt (referanseobjekt), samt tegne-, skrive- og/eller pekeredskap for datapresentasjon etc. |
| US6870366B1 (en) | 2003-12-23 | 2005-03-22 | Trw Automotive U.S. Llc | Apparatus for sensing vehicle seat position |
| DE102004045670B3 (de) * | 2004-09-17 | 2006-02-09 | Zf Friedrichshafen Ag | Fahrzeugniveauerfassung |
| US7304472B2 (en) * | 2005-04-28 | 2007-12-04 | Williams Controls Industries, Inc. | Rotary position sensor |
| US8203332B2 (en) * | 2008-06-24 | 2012-06-19 | Magic Technologies, Inc. | Gear tooth sensor (GTS) with magnetoresistive bridge |
| EP2239400B1 (de) * | 2009-04-08 | 2018-09-05 | Marquardt GmbH | Schlüssel für ein Kraftfahrzeug |
| DE102009046180A1 (de) * | 2009-10-29 | 2011-05-05 | Scambia Industrial Developments Aktiengesellschaft | Anhängekupplung |
| US8917086B2 (en) * | 2010-07-20 | 2014-12-23 | Lawrence Livermore National Security, Llc | Position sensor for linear synchronous motors employing halbach arrays |
| DE102010043010C5 (de) | 2010-10-27 | 2017-10-05 | Ifm Electronic Gmbh | Induktiver Näherungsschalter |
| US8922207B2 (en) | 2011-11-17 | 2014-12-30 | Infineon Technologies Ag | Electronic device comprising hall effect region with three contacts |
| US9316705B2 (en) | 2014-05-09 | 2016-04-19 | Infineon Technologies Ag | Vertical hall effect-device |
| US9425385B2 (en) | 2014-05-09 | 2016-08-23 | Infineon Technologies Ag | Vertical hall effect device |
| GB2548795A (en) * | 2016-03-14 | 2017-10-04 | Reventec Ltd | A magnetic position sensor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3179856A (en) * | 1961-09-05 | 1965-04-20 | Siemens Ag | Magneto-electric signal transmitter |
| US4970463A (en) * | 1989-03-13 | 1990-11-13 | Durakool Incorporated | Temperature stable proximity sensor with sensing of flux emanating from the lateral surface of a magnet |
| DE4025837A1 (de) * | 1990-08-16 | 1992-02-20 | Vdo Schindling | Hallsensor |
| US5818222A (en) * | 1995-06-07 | 1998-10-06 | The Cherry Corporation | Method for adjusting ferrous article proximity detector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4156191A (en) * | 1977-10-20 | 1979-05-22 | Gulf & Western Manufacturing Company | Method and apparatus for adjusting the magnetic coupling between a Hall Effect switch and a permanent magnet |
-
1997
- 1997-12-18 US US08/993,723 patent/US6127821A/en not_active Expired - Fee Related
-
1998
- 1998-06-02 JP JP10190934A patent/JPH1194951A/ja active Pending
- 1998-06-02 DE DE19824510A patent/DE19824510B4/de not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3179856A (en) * | 1961-09-05 | 1965-04-20 | Siemens Ag | Magneto-electric signal transmitter |
| US4970463A (en) * | 1989-03-13 | 1990-11-13 | Durakool Incorporated | Temperature stable proximity sensor with sensing of flux emanating from the lateral surface of a magnet |
| DE4025837A1 (de) * | 1990-08-16 | 1992-02-20 | Vdo Schindling | Hallsensor |
| US5818222A (en) * | 1995-06-07 | 1998-10-06 | The Cherry Corporation | Method for adjusting ferrous article proximity detector |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19824510A1 (de) | 1999-05-20 |
| US6127821A (en) | 2000-10-03 |
| JPH1194951A (ja) | 1999-04-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: CHERRY CORP., PLEASANT PRAIRIE, WIS., US |
|
| 8127 | New person/name/address of the applicant |
Owner name: ZF FRIEDRICHSHAFEN AG, 88046 FRIEDRICHSHAFEN, DE |
|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |