FI66689C - Givare foer fortgaoende observation av ett roerligt organ i enraktor eller motsvarande - Google Patents

Givare foer fortgaoende observation av ett roerligt organ i enraktor eller motsvarande Download PDF

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Publication number
FI66689C
FI66689C FI823703A FI823703A FI66689C FI 66689 C FI66689 C FI 66689C FI 823703 A FI823703 A FI 823703A FI 823703 A FI823703 A FI 823703A FI 66689 C FI66689 C FI 66689C
Authority
FI
Finland
Prior art keywords
permanent magnet
sensor
hall element
observed
sensor according
Prior art date
Application number
FI823703A
Other languages
English (en)
Finnish (fi)
Other versions
FI823703L (fi
FI66689B (fi
FI823703A0 (fi
Inventor
Hannu Hannukainen
Original Assignee
Valmet Oy
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 Valmet Oy filed Critical Valmet Oy
Priority to FI823703A priority Critical patent/FI66689C/fi
Publication of FI823703A0 publication Critical patent/FI823703A0/fi
Priority to EP83110654A priority patent/EP0110122A1/en
Priority to BR8305966A priority patent/BR8305966A/pt
Priority to DK496083A priority patent/DK496083A/da
Priority to NO833946A priority patent/NO833946L/no
Publication of FI823703L publication Critical patent/FI823703L/fi
Publication of FI66689B publication Critical patent/FI66689B/fi
Application granted granted Critical
Publication of FI66689C publication Critical patent/FI66689C/fi

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/003Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/023Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/12Mechanical 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
    • G01D5/14Mechanical 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
    • G01D5/142Mechanical 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
    • G01D5/147Mechanical 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

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)
  • Measuring Magnetic Variables (AREA)
  • Golf Clubs (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Claims (8)

1. Givare för fortgaende observation av ett rörligt organ (14) i en trak-tor eller motsvarande, vilken givare omvandlar positlonen av organet (14) som skall observeras till en elektrisk signal (V ), och vilken givare grundar sig pi användningen av ett Hall-element (10), och till vilken S givare hör en elektronlkdel (20), som Mr placerad tätt intill nämnda Hall-element (10) inne i givarens skyddskonstruktion (13), k ä n n e -t e c k n a d därav, att Hall-elementet (10) Mr placerat vMsentligen direkt i den yttre Mndan 10 av en permanent magnet (11), som Mr pi motsatta sidan av organet (14) som skall observeras, och att spänningen (V^), som ges av Hall-elementet (10) pi nämnda elek-tronikdel (20) förstärks till en utgingsspänning (V ) med tillräckligt 15 hög niva, som Mr väsentligt lineärt beroende av det inbördes avstindet (d) melian det av ferromagnetiskt material utgörande stycket (14) som skall observeras och givarens Hall-element (10).
2. Givare enligt patentkravet 1, kMnnetecknad därav, att 20 icke-magnetiskt material fungerar som givarens skyddsfodral, som t.ex. ett rörformigt fodral (13) av aluminium eller hardplast, och i vars ena ända nämnda permanenta magnet (11) Mr placerad.
3. Givare enligt patentkravet 1 eller 2, kMnnetecknad därav, 25 att ett väsentligen cylinderformat stycke (11) av en permanent magnet fungerar som nämnda permanenta magnet, vars vMsentligen planformiga Mn-dor (11') Mr den permanenta magnetens S- och N-poler, att mända permanenta magnet .(11) Mr placerad i ena Mndan av det motsvarande cylinderformiga skyddsröret (13), att nämnda Hall-element (10) är fäst isolerande vid 30 den plaformiga yttre Mndan (111) av den permanenta magneten (11), att stycket (14) vars position skall observeras Mr placerat i närheten av nämnda ända (11') pi ett lämpllgt litet avstind (4) och att riktningen, i vilken det ferromagnetiska stycket (14), som skall observeras, rör sig, 35 gar väsentligen med nämnda skyddsrör (13) och den permanenta magnetens
FI823703A 1982-10-29 1982-10-29 Givare foer fortgaoende observation av ett roerligt organ i enraktor eller motsvarande FI66689C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI823703A FI66689C (fi) 1982-10-29 1982-10-29 Givare foer fortgaoende observation av ett roerligt organ i enraktor eller motsvarande
EP83110654A EP0110122A1 (en) 1982-10-29 1983-10-25 Pick-up for transforming mechanical quantities into electrical quantities
BR8305966A BR8305966A (pt) 1982-10-29 1983-10-27 Tradutor para converter quantidades mecanicas em quantidades eletricas
DK496083A DK496083A (da) 1982-10-29 1983-10-28 Pick-up eller transducer
NO833946A NO833946L (no) 1982-10-29 1983-10-28 Opptaker for omforming av mekaniske stoerrelser til elektriske stoerrelser

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI823703 1982-10-29
FI823703A FI66689C (fi) 1982-10-29 1982-10-29 Givare foer fortgaoende observation av ett roerligt organ i enraktor eller motsvarande

Publications (4)

Publication Number Publication Date
FI823703A0 FI823703A0 (fi) 1982-10-29
FI823703L FI823703L (fi) 1984-04-30
FI66689B FI66689B (fi) 1984-07-31
FI66689C true FI66689C (fi) 1984-11-12

Family

ID=8516228

Family Applications (1)

Application Number Title Priority Date Filing Date
FI823703A FI66689C (fi) 1982-10-29 1982-10-29 Givare foer fortgaoende observation av ett roerligt organ i enraktor eller motsvarande

Country Status (5)

Country Link
EP (1) EP0110122A1 (sv)
BR (1) BR8305966A (sv)
DK (1) DK496083A (sv)
FI (1) FI66689C (sv)
NO (1) NO833946L (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3447327A1 (de) * 1984-12-24 1986-07-10 Standard Elektrik Lorenz Ag Magnetfelddetektor
DE3447312A1 (de) * 1984-12-24 1986-07-10 Standard Elektrik Lorenz Ag Magnetfeldsensor
FR2598216B1 (fr) * 1986-04-30 1990-03-23 Petercem Sa Detecteur de proximite
JPH0285324U (sv) * 1988-12-21 1990-07-04
KR960000342B1 (ko) * 1989-03-14 1996-01-05 미쯔비시 덴끼 가부시끼가이샤 홀 효과형 센서 장치
US5196794A (en) * 1989-03-14 1993-03-23 Mitsubishi Denki K.K. Hall-effect sensor with integrally molded frame, magnet, flux guide and insulative film
JPH02278175A (ja) * 1989-04-19 1990-11-14 Zexel Corp 磁気センサ
US5210493A (en) * 1992-02-27 1993-05-11 General Motors Corporation Method for embedding wires within a powder metal core and sensor assembly produced by such a method
FR2707392B1 (fr) * 1993-07-05 1995-08-11 Siemens Automotive Sa Capteur de position angulaire à effet hall.
US5414355A (en) * 1994-03-03 1995-05-09 Honeywell Inc. Magnet carrier disposed within an outer housing
FR2748805B1 (fr) * 1996-05-15 1998-08-07 Aerospatiale Capteur de position sans contact, a effet hall
GB2360922A (en) 2000-03-31 2001-10-03 Http Hypothermia Therapy A heating device for surface heating of a patient's body

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH447629A (de) * 1966-02-14 1967-11-30 Siemens Ag Berührungsfreier elektrischer Abstandsmessgeber
DE2025317A1 (de) * 1969-05-26 1970-12-03 Förster, Friedrich, Dr.phil., 7410 Reutlingen Verfahren und Anordnung zum Prüfen der Innenseite eines nichtferromagnetischen Prüfteils
CH557018A (de) * 1973-05-22 1974-12-13 Krauss Maffei Ag Abstandsmessanordnung fuer elektromagnetische trag- oder fuehrungssysteme, insbesondere fuer schwebefahrzeuge.
FR2346679A1 (fr) * 1976-04-02 1977-10-28 Itt Produits Ind Detecteur de proximite electromagnetique
DE2702641A1 (de) * 1977-01-22 1978-07-27 Manfred Ing Grad Gortat Messanordnung zum beruehrungslosen bestimmen der banddicke ferromagnetischer materialien mittels eines mit gleichstrom erregten messfuehlers
DE2825214A1 (de) * 1978-06-08 1979-12-13 Otdel Fiz Nerazrusha Kontr Magnetisches kontrollverfahren fuer die guetekennwerte von gegenstaenden und einrichtung zur durchfuehrung des verfahrens

Also Published As

Publication number Publication date
EP0110122A1 (en) 1984-06-13
DK496083A (da) 1984-04-30
FI823703L (fi) 1984-04-30
NO833946L (no) 1984-04-30
FI66689B (fi) 1984-07-31
FI823703A0 (fi) 1982-10-29
BR8305966A (pt) 1984-06-05
DK496083D0 (da) 1983-10-28

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Owner name: VALMET OY