DE69122297T2 - Induktiver Näherungsmessaufnehmer und Stellungsgeber mit einer passiven Skala - Google Patents
Induktiver Näherungsmessaufnehmer und Stellungsgeber mit einer passiven SkalaInfo
- Publication number
- DE69122297T2 DE69122297T2 DE69122297T DE69122297T DE69122297T2 DE 69122297 T2 DE69122297 T2 DE 69122297T2 DE 69122297 T DE69122297 T DE 69122297T DE 69122297 T DE69122297 T DE 69122297T DE 69122297 T2 DE69122297 T2 DE 69122297T2
- Authority
- DE
- Germany
- Prior art keywords
- graduation
- sensor
- sensor line
- line
- sensor according
- 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
- 230000001939 inductive effect Effects 0.000 title claims description 8
- 239000002184 metal Substances 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 230000005291 magnetic effect Effects 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 14
- 239000007787 solid Substances 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000009699 differential effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005405 multipole Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005355 Hall effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- G01D5/20—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 by varying inductance, e.g. by a movable armature
- G01D5/2006—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 by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
-
- 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
- H03K17/9525—Proximity switches using a magnetic detector using inductive coils controlled by an oscillatory signal
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Geophysics And Detection Of Objects (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT9383A IT1238726B (it) | 1990-05-03 | 1990-05-03 | Sensore di prossimita' induttivo e trasduttore di posizione con scala passiva |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69122297D1 DE69122297D1 (de) | 1996-10-31 |
| DE69122297T2 true DE69122297T2 (de) | 1997-04-10 |
Family
ID=11129312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69122297T Expired - Fee Related DE69122297T2 (de) | 1990-05-03 | 1991-05-03 | Induktiver Näherungsmessaufnehmer und Stellungsgeber mit einer passiven Skala |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5233294A (OSRAM) |
| EP (1) | EP0455613B1 (OSRAM) |
| JP (1) | JPH05113302A (OSRAM) |
| BR (1) | BR9101769A (OSRAM) |
| DE (1) | DE69122297T2 (OSRAM) |
| IT (1) | IT1238726B (OSRAM) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007061967A1 (de) * | 2007-12-21 | 2009-06-25 | Pepperl + Fuchs Gmbh | Inkrementalweggeber und Verfahren zum Bestimmen einer Verschiebung eines ersten Objekts relativ zu einem zweiten Objekt |
| DE102008022090A1 (de) | 2008-05-05 | 2009-11-12 | Minebea Co., Ltd. | Spindelpositionsgeber |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5247253A (en) * | 1990-11-09 | 1993-09-21 | Curtis Instruments, Inc. | Eddy current proximity sensing means and method useful for determining throttle position |
| SE9300508D0 (sv) * | 1993-02-16 | 1993-02-16 | Jan Gunnar Sergenius | Saett vid laengd- eller vinkelmaetning samt utrustning haerfoer |
| DE4339595C1 (de) * | 1993-11-18 | 1995-01-12 | Robert Thalhammer | Vorrichtung zur Längenmessung an einer Gliederkette |
| EP0743508A2 (en) * | 1995-05-16 | 1996-11-20 | Mitutoyo Corporation | Induced current position transducer |
| JPH09152473A (ja) * | 1995-09-29 | 1997-06-10 | Sony Corp | 磁気探知装置 |
| US5973494A (en) * | 1996-05-13 | 1999-10-26 | Mitutoyo Corporation | Electronic caliper using a self-contained, low power inductive position transducer |
| US6002250A (en) * | 1996-05-13 | 1999-12-14 | Mitutoyo Corporation | Electronic linear scale using a self-contained, low-power inductive position transducer |
| JP3355946B2 (ja) * | 1996-08-02 | 2002-12-09 | 株式会社ダイフク | 搬送用電車の走行制御設備 |
| US5886519A (en) * | 1997-01-29 | 1999-03-23 | Mitutoyo Corporation | Multi-scale induced current absolute position transducer |
| US5841274A (en) * | 1997-01-29 | 1998-11-24 | Mitutoyo Corporation | Induced current absolute position transducer using a code-track-type scale and read head |
| US6335618B1 (en) | 1999-10-05 | 2002-01-01 | Mitutoyo Corporation | Position transducer having position-dependent amplitude encoding applying first and second modulations |
| JP2001208503A (ja) * | 2000-01-25 | 2001-08-03 | Harmonic Drive Syst Ind Co Ltd | リニアアクチュエータの絶対位置検出装置 |
| DE10026019B4 (de) * | 2000-05-25 | 2015-03-05 | Hella Kgaa Hueck & Co. | Induktiver Positionssensor, insbesondere für ein Kraftfahrzeug |
| DE10242385B4 (de) * | 2002-09-12 | 2005-09-01 | Cherry Gmbh | Induktive Sensoreinheit |
| WO2005027347A1 (de) * | 2003-09-11 | 2005-03-24 | Cherry Gmbh | Induktive schalter |
| US7538544B2 (en) * | 2004-04-09 | 2009-05-26 | Ksr Technologies Co. | Inductive position sensor |
| US7276897B2 (en) * | 2004-04-09 | 2007-10-02 | Ksr International Co. | Inductive position sensor |
| US7481763B2 (en) * | 2004-05-28 | 2009-01-27 | Ethicon Endo-Surgery, Inc. | Metal bellows position feedback for hydraulic control of an adjustable gastric band |
| US7449878B2 (en) * | 2005-06-27 | 2008-11-11 | Ksr Technologies Co. | Linear and rotational inductive position sensor |
| US20070257667A1 (en) * | 2006-05-03 | 2007-11-08 | Thaddeus Schroeder | Position sensors and arrays utilizing back EMF |
| US7880462B2 (en) * | 2006-10-05 | 2011-02-01 | Advanced Sensor Technology Limited | Pulsed coil drive circuit for a sampled inductive transducer |
| CN101187543B (zh) * | 2006-10-05 | 2012-08-08 | 先进传感技术有限公司 | 用于采样电感式换能器的脉冲线圈驱动电路 |
| US7719263B2 (en) * | 2006-11-22 | 2010-05-18 | Zf Friedrichshafen Ag | Inductive position measuring device or goniometer |
| ITPD20070271A1 (it) * | 2007-08-03 | 2009-02-04 | Paolo Andreotti | Dispositivo elettronico di miscelazione e di regolazione della portata d' acqua |
| FR2944133A1 (fr) * | 2009-04-03 | 2010-10-08 | Schneider Electric Ind Sas | Inductance symetrique, en particulier pour detecteurs de proximite |
| AT509101B1 (de) | 2009-11-18 | 2011-10-15 | Victor Vasiloiu | Induktive messeinrichtung für längen- und winkelerfassung |
| KR101421110B1 (ko) * | 2013-02-21 | 2014-07-18 | 주식회사 트루윈 | 인덕턴스방식 근접센서 |
| JP6327874B2 (ja) * | 2014-02-04 | 2018-05-23 | 株式会社ミツトヨ | 誘導型位置測定装置 |
| US9616875B2 (en) * | 2014-09-11 | 2017-04-11 | Westinghouse Air Brake Technologies Corporation | Piston stroke sensor arrangement for a brake unit |
| FR3031586B1 (fr) | 2015-01-13 | 2017-02-10 | Dymeo | Capteurs inductifs de deplacement |
| FR3031589B1 (fr) | 2015-01-13 | 2018-11-16 | Hutchinson | Capteurs inductifs de deplacement |
| FR3031587B1 (fr) | 2015-01-13 | 2018-11-16 | Hutchinson | Capteurs inductifs de deplacement |
| FR3031588B1 (fr) | 2015-01-13 | 2018-11-16 | Hutchinson | Capteurs inductifs de deplacement |
| US10816362B2 (en) * | 2018-11-21 | 2020-10-27 | Hiwin Mikrosystem Corp. | Linear position detecting device |
| DE102020205398A1 (de) * | 2020-04-29 | 2021-11-04 | Dr. Johannes Heidenhain Gesellschaft Mit Beschränkter Haftung | Induktive Positionsmesseinrichtung |
| DE202020105904U1 (de) | 2020-10-15 | 2021-10-18 | Cherry Europe Gmbh | Einrichtung zur Erfassung eines Tastendrucks eines Tastenmoduls und Tastatur |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2848698A (en) * | 1957-04-01 | 1958-08-19 | Hughes Aircraft Co | Variable reluctance electromagnetic devices |
| US2905874A (en) * | 1958-10-30 | 1959-09-22 | Gen Electric | Position control system and device |
| SE332899B (OSRAM) * | 1968-09-13 | 1971-02-22 | Jungner Instrument Ab | |
| US3916234A (en) * | 1973-05-24 | 1975-10-28 | Wagner Electric Corp | Vehicle wheel speed sensor |
| FR2298081A1 (fr) * | 1975-01-15 | 1976-08-13 | Poclain Sa | Detecteur de position relative de deux pieces |
| US4042876A (en) * | 1976-04-29 | 1977-08-16 | The United States Of America As Represented By The United States Energy Research And Development Administration | Eddy current gauge for monitoring displacement using printed circuit coil |
| US4112365A (en) * | 1977-02-15 | 1978-09-05 | Eaton Corporation | Position detecting system |
| US4249630A (en) * | 1978-10-31 | 1981-02-10 | Northern Telecom Limited | Plow guidance system |
| JPS5911474A (ja) * | 1982-07-10 | 1984-01-21 | Sony Corp | 位置検出装置 |
| DE3244891C2 (de) * | 1982-12-04 | 1985-07-11 | Angewandte Digital Elektronik Gmbh, 2051 Brunstorf | Einrichtung zur berührungslosen Positionsmessung |
| DE3308813C2 (de) * | 1983-03-12 | 1985-02-07 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Meßeinrichtung |
| US4697144A (en) * | 1984-04-19 | 1987-09-29 | Verify Electronics Limited | Position sensing apparatus |
| US4627280A (en) * | 1984-04-24 | 1986-12-09 | Toyoda Gosei Co., Ltd. | Inductance liquid level meter |
| GB8416109D0 (en) * | 1984-06-23 | 1984-07-25 | Schlumberger Electronics Uk | Proximity sensor |
| US4678994A (en) * | 1984-06-27 | 1987-07-07 | Digital Products Corporation | Methods and apparatus employing apparent resonant properties of thin conducting materials |
| FR2577666B1 (fr) * | 1985-02-20 | 1987-03-20 | Matra Transport | Dispositif de mesure de deplacement a roue codee |
| US4812757A (en) * | 1985-05-04 | 1989-03-14 | Thyssen Industrie Ag | Method and device for accurately determining the distance of a magnetic sensor from a conductive reaction rail |
| US4648041A (en) * | 1985-06-24 | 1987-03-03 | The United States Of America As Represented By The Secretary Of The Navy | Method of measuring magnetic effects due to eddy currents |
| GB2181246B (en) * | 1985-10-02 | 1989-09-27 | Rolls Royce | Apparatus for measuring axial movement of a rotating member |
| CA1301280C (en) * | 1986-09-29 | 1992-05-19 | University Of Western Australia (The) | Inductive sensing |
| DE8631978U1 (de) * | 1986-11-28 | 1990-03-22 | Weber Sensortechnik GmbH, 25377 Kollmar | Sensorspule |
| US4816759A (en) * | 1987-10-28 | 1989-03-28 | Kaman Corporation | Inductive sensor for detecting displacement of adjacent surfaces |
-
1990
- 1990-05-03 IT IT9383A patent/IT1238726B/it active IP Right Grant
-
1991
- 1991-04-29 US US07/693,134 patent/US5233294A/en not_active Expired - Fee Related
- 1991-05-02 BR BR919101769A patent/BR9101769A/pt unknown
- 1991-05-02 JP JP10105491A patent/JPH05113302A/ja active Pending
- 1991-05-03 DE DE69122297T patent/DE69122297T2/de not_active Expired - Fee Related
- 1991-05-03 EP EP91830181A patent/EP0455613B1/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007061967A1 (de) * | 2007-12-21 | 2009-06-25 | Pepperl + Fuchs Gmbh | Inkrementalweggeber und Verfahren zum Bestimmen einer Verschiebung eines ersten Objekts relativ zu einem zweiten Objekt |
| DE102008022090A1 (de) | 2008-05-05 | 2009-11-12 | Minebea Co., Ltd. | Spindelpositionsgeber |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0455613B1 (en) | 1996-09-25 |
| EP0455613A2 (en) | 1991-11-06 |
| IT9009383A1 (it) | 1991-11-03 |
| BR9101769A (pt) | 1991-12-17 |
| JPH05113302A (ja) | 1993-05-07 |
| EP0455613A3 (OSRAM) | 1994-02-16 |
| US5233294A (en) | 1993-08-03 |
| DE69122297D1 (de) | 1996-10-31 |
| IT9009383A0 (it) | 1990-05-03 |
| IT1238726B (it) | 1993-09-01 |
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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 |