DE29923127U1 - Position sensor, suitable for electromagnetically operated valve control - Google Patents

Position sensor, suitable for electromagnetically operated valve control

Info

Publication number
DE29923127U1
DE29923127U1 DE29923127U DE29923127U DE29923127U1 DE 29923127 U1 DE29923127 U1 DE 29923127U1 DE 29923127 U DE29923127 U DE 29923127U DE 29923127 U DE29923127 U DE 29923127U DE 29923127 U1 DE29923127 U1 DE 29923127U1
Authority
DE
Germany
Prior art keywords
position sensor
coil
sensor according
stroke
coils
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
DE29923127U
Other languages
German (de)
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE29923127U priority Critical patent/DE29923127U1/en
Priority claimed from DE19913869A external-priority patent/DE19913869A1/en
Publication of DE29923127U1 publication Critical patent/DE29923127U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
    • 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
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (12)

1. Positionssensor für die augenblickliche Hubstellung eines hubbewegten Körpers (1) mit Auswertung einer von der Hubbewe­ gung (5) abhängigen Induktivitätsänderung, wobei
  • 1. der Sensor mindestens eine induktivitätsbehaftete Spule (6) umfaßt, die in das die Hubbewegung (5) ausführende System mit dem hubbewegten Körper (1) derart eingefügt ist, daß diese Spule (6) eine Formveränderung bei vorsich­ gehender Hubbewegung ausführt und
  • 2. zum Erfassen der durch magnetische Flussverkettung aufge­ tretenen Induktivitätsänderung dieser Spule eine Meß- und Auswertegerät (14) für ein Positions-Ausgangssignal vorge­ sehen ist.
1. Position sensor for the instantaneous stroke position of a stroke-moving body ( 1 ) with evaluation of a stroke movement ( 5 ) dependent inductance change, wherein
  • 1. the sensor comprises at least one inductance coil ( 6 ) which is inserted into the lifting movement ( 5 ) executing system with the lifting body ( 1 ) in such a way that this coil ( 6 ) carries out a change in shape with a careful lifting movement and
  • 2. to detect the occurrence of magnetic flux linkage occurring inductance change of this coil, a measuring and evaluation device ( 14 ) for a position output signal is easily seen.
2. Positionssensor nach Anspruch 1, dadurch gekennzeichnet, daß die sich mit der Hubbewe­ gung (5) formverändernde Spule eine mechanische Schraubenfe­ der (6, 61) einer hubbewegenden Mechanik des Systems ist.2. Position sensor according to claim 1, characterized in that with the Hubbewe movement ( 5 ) shape-changing coil is a mechanical Schraubenfe ( 6 , 61 ) of a lifting mechanism of the system. 3. Positionssensor nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß eine zusätzliche Spule (61) vorgesehen ist, die mit der Mechanik der Hubbewegung des Systems derart gekoppelt ist, daß diese Spule bei Hubbewegung eine Formveränderung ihres Wicklungsaufbaus ausführt.3. Position sensor according to claim 1 or 2, characterized in that an additional coil ( 61 ) is provided which is coupled to the mechanics of the lifting movement of the system such that this coil carries out a change in shape of its winding structure during the lifting movement. 4. Positionssensor nach einem der Ansprüche 1 bis 3, da­ durch gekennzeichnet, daß der Spule (6, 61) parallel oder in Reihe ein Kondensator (20) zur Bildung eines Schwingkreises aus Spule und Kondensator zugeschaltet ist und das Meß- und Auswertegerät (14) für Resonanzmessung als Ausgangssignal des Positionssensors ausgebildet ist.4. Position sensor according to one of claims 1 to 3, characterized in that the coil ( 6 , 61 ) a capacitor ( 20 ) is connected in parallel or in series to form a resonant circuit of coil and capacitor and the measuring and evaluation device ( 14th ) is designed for resonance measurement as the output signal of the position sensor. 5. Positionssensor nach einem der Ansprüche 1 bis 4, ge­ kennzeichnet durch ein Gaswechselventil (1) als hubbewegtem Körper. 5. Position sensor according to one of claims 1 to 4, characterized by a gas exchange valve ( 1 ) as a stroke-moving body. 6. Positionssensor nach Anspruch 5, gekennzeich­ net durch eine schraubenförmige Ventilfeder als Spule (6).6. Position sensor according to claim 5, characterized by a helical valve spring as a coil ( 6 ). 7. Positionssensor nach einem der Ansprüche 1 bis 4, ge­ kennzeichnet durch einen Hubkolben eines Ein­ spritzventils als hubbewegtem Körper (1).7. Position sensor according to one of claims 1 to 4, characterized by a piston of an injection valve as a stroke-moving body ( 1 ). 8. Positionssensor nach einem der Ansprüche 1 bis 7, da­ durch gekennzeichnet, daß mehrere mit der Hubbewegung (5) des Systems gekoppelte formveränderbare Spulen (6, 61) vorgesehen sind, die miteinander verbunden mit dem Meß- und Auswertegerät (14) verbunden sind.8. Position sensor according to one of claims 1 to 7, characterized in that several with the stroke movement ( 5 ) of the system coupled form-changeable coils ( 6 , 61 ) are provided, which are connected to one another with the measuring and evaluation device ( 14 ) . 9. Positionssensor nach Anspruch 8, dadurch ge­ kennzeichnet, daß die mehreren Spulen (6, 61) derart bezüglich ihres jeweiligen Wickelsinns orientiert und derart mit ihren elektrischen Anschlüssen miteinander verbun­ den sind, daß diese Spulen gleichsinnige Stromdurchflutung haben.9. Position sensor according to claim 8, characterized in that the plurality of coils ( 6 , 61 ) so oriented with respect to their respective winding sense and are so connected with their electrical connections to each other that these coils have current flow in the same direction. 10. Positionssensor nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß von den mehreren Spulen wenigstens eine Spule der mindestens einen anderen Spule ge­ genüber gegensinnige Stromdurchflutung hat.10. Position sensor according to claim 8 or 9, characterized characterized that of the multiple coils at least one coil of the at least one other coil ge opposite current flow. 11. Positionssensor nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß Schrauben­ federn eines Antriebs eines Gaswechselventils oder Kolbens einer Einspritzdüse als wenigstens zwei Spulen (6, 61) vorge­ sehen sind.11. Position sensor according to one of claims 1 to 10, characterized in that helical springs of a drive of a gas exchange valve or piston of an injection nozzle are seen as at least two coils ( 6 , 61 ). 12. Positionssensor nach einem der Ansprüche 1 bis 3 und 5 bis 11, gekennzeichnet durch mindestens eine in Eigenresonanz betriebene Spule (6, 61).12. Position sensor according to one of claims 1 to 3 and 5 to 11, characterized by at least one self-resonance operated coil ( 6 , 61 ).
DE29923127U 1999-03-26 1999-03-26 Position sensor, suitable for electromagnetically operated valve control Expired - Lifetime DE29923127U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29923127U DE29923127U1 (en) 1999-03-26 1999-03-26 Position sensor, suitable for electromagnetically operated valve control

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19913869A DE19913869A1 (en) 1999-03-26 1999-03-26 Position sensor for controlling electromagnetically-operated valves; lifts object to be moved with instant lift by judging change in inductance arising from lifting movement
DE29923127U DE29923127U1 (en) 1999-03-26 1999-03-26 Position sensor, suitable for electromagnetically operated valve control

Publications (1)

Publication Number Publication Date
DE29923127U1 true DE29923127U1 (en) 2000-03-16

Family

ID=26052615

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29923127U Expired - Lifetime DE29923127U1 (en) 1999-03-26 1999-03-26 Position sensor, suitable for electromagnetically operated valve control

Country Status (1)

Country Link
DE (1) DE29923127U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022189090A1 (en) * 2021-03-09 2022-09-15 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Inductive position detection device for contactlessly detecting a position of a position sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022189090A1 (en) * 2021-03-09 2022-09-15 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Inductive position detection device for contactlessly detecting a position of a position sensor

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000420

R156 Lapse of ip right after 3 years

Effective date: 20021001