ES2109879B1 - MAGNETIC DEVICE FOR DETECTION AND CONTROL OF MOBILE ELEMENTS. - Google Patents

MAGNETIC DEVICE FOR DETECTION AND CONTROL OF MOBILE ELEMENTS.

Info

Publication number
ES2109879B1
ES2109879B1 ES09501232A ES9501232A ES2109879B1 ES 2109879 B1 ES2109879 B1 ES 2109879B1 ES 09501232 A ES09501232 A ES 09501232A ES 9501232 A ES9501232 A ES 9501232A ES 2109879 B1 ES2109879 B1 ES 2109879B1
Authority
ES
Spain
Prior art keywords
mobile elements
detection
control
magnetic device
impedance
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
Application number
ES09501232A
Other languages
Spanish (es)
Other versions
ES2109879A1 (en
Inventor
Monjaras Raul Valenzuela
Villalabeitia Manuel Vazquez
Grande Antonio Hernando
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.)
Universidad Complutense de Madrid
Original Assignee
Universidad Complutense de Madrid
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 Universidad Complutense de Madrid filed Critical Universidad Complutense de Madrid
Priority to ES09501232A priority Critical patent/ES2109879B1/en
Publication of ES2109879A1 publication Critical patent/ES2109879A1/en
Application granted granted Critical
Publication of ES2109879B1 publication Critical patent/ES2109879B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N35/00—Magnetostrictive devices
    • H10N35/101—Magnetostrictive devices with mechanical input and electrical output, e.g. generators, sensors

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)
  • Soft Magnetic Materials (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

DISPOSITIVO PARA LA DETECCION Y CONTROL DE ELEMENTOS MOVILES. EL DISPOSITIVO MAGNETICO DE DETECCION Y CONTROL DE ELEMENTOS MOVILES SE BASA EN LA DISMINUCION QUE PRODUCEN LOS CAMPOS MAGNETICOS SOBRE LA IMPEDANCIA DE HILOS AMORFOS O NANOCRISTALINOS EXCITADOS POR UNA CORRIENTE ALTA DE ALTA FRECUENCIA. EL ELEMENTO SENSOR ESTA CONSTITUIDO POR: UN HILO AMORFO O NANOCRISTALINO DE BAJA MAGNETOSTRICCION NEGATIVA ALIMENTADO POR UNA CORRIENTE ALTERNA DE ALTA FRECUENCIA. LOS CAMBIOS EN LA IMPEDANCIA, COMO CONSECUENCIA DE LA PRESENCIA DE CAMPOS MAGNETICOS CONTINUOS, SE RECOGEN COMO UNA DISMINUCION DE LA FUERZA ELECTROMOTRIZ, MEDIANTE UN CIRCUITO DETECTOR. EL DISPOSITIVO PERMITE CONOCER EL NUMERO DE ELEMENTOS MOVILES QUE HAN PASADO POR LOS SITIOS ESTRATEGICOS EN LOS QUE SE HAN COLOCADO LOS SENSORES.DEVICE FOR THE DETECTION AND CONTROL OF MOBILE ELEMENTS. THE MAGNETIC DEVICE FOR THE DETECTION AND CONTROL OF MOBILE ELEMENTS IS BASED ON THE DECREASE IN MAGNETIC FIELDS PRODUCED BY THE IMPEDANCE OF AMORPHOUS OR NANOCRISTALLINE THREADS CAUSED BY A HIGH FREQUENCY CURRENT. THE SENSOR ELEMENT IS CONSTITUTED BY: AN AMORPHOUS OR NANOCRISTALINE THREAD OF LOW NEGATIVE MAGNETOSTRICTION SUPPLIED BY A HIGH FREQUENCY ALTERNATING CURRENT. CHANGES IN IMPEDANCE, AS A RESULT OF THE PRESENCE OF CONTINUOUS MAGNETIC FIELDS, ARE COLLECTED AS A DECREASE IN ELECTROMOTRIZING FORCE, THROUGH A DETECTOR CIRCUIT. THE DEVICE ALLOWS TO KNOW THE NUMBER OF MOBILE ELEMENTS THAT HAVE PASSED THROUGH THE STRATEGIC SITES IN WHICH THE SENSORS HAVE BEEN PLACED.

ES09501232A 1995-06-20 1995-06-20 MAGNETIC DEVICE FOR DETECTION AND CONTROL OF MOBILE ELEMENTS. Expired - Fee Related ES2109879B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES09501232A ES2109879B1 (en) 1995-06-20 1995-06-20 MAGNETIC DEVICE FOR DETECTION AND CONTROL OF MOBILE ELEMENTS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES09501232A ES2109879B1 (en) 1995-06-20 1995-06-20 MAGNETIC DEVICE FOR DETECTION AND CONTROL OF MOBILE ELEMENTS.

Publications (2)

Publication Number Publication Date
ES2109879A1 ES2109879A1 (en) 1998-01-16
ES2109879B1 true ES2109879B1 (en) 1998-08-01

Family

ID=8290795

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09501232A Expired - Fee Related ES2109879B1 (en) 1995-06-20 1995-06-20 MAGNETIC DEVICE FOR DETECTION AND CONTROL OF MOBILE ELEMENTS.

Country Status (1)

Country Link
ES (1) ES2109879B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2149728B1 (en) * 1999-03-18 2001-06-01 Univ Madrid Complutense DEVICE FOR DETECTION OF THE POSITION OF A PNEUMATIC PISTON.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62200280A (en) * 1986-02-27 1987-09-03 Fuji Electric Co Ltd Magnetic body detector
ES2021539A6 (en) * 1990-05-14 1991-11-01 Tecnologia E Investigacion Fer Magnetic-field sensor which uses, as sensor, an amorphous ferromagnetic wire with helical anisotropy
JPH06348394A (en) * 1993-06-10 1994-12-22 Mitsumi Electric Co Ltd Magnetic field and coordinate input device

Also Published As

Publication number Publication date
ES2109879A1 (en) 1998-01-16

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