ES2074025B1 - ELECTRIC OR ELECTRONIC SAFETY DEVICE FOR FENCES. - Google Patents

ELECTRIC OR ELECTRONIC SAFETY DEVICE FOR FENCES.

Info

Publication number
ES2074025B1
ES2074025B1 ES9302583A ES9302583A ES2074025B1 ES 2074025 B1 ES2074025 B1 ES 2074025B1 ES 9302583 A ES9302583 A ES 9302583A ES 9302583 A ES9302583 A ES 9302583A ES 2074025 B1 ES2074025 B1 ES 2074025B1
Authority
ES
Spain
Prior art keywords
wire
secondary winding
fences
safety device
electronic safety
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
ES9302583A
Other languages
Spanish (es)
Other versions
ES2074025A2 (en
ES2074025R (en
Inventor
Rollan Enrique Fraga
Rodriguez Guillermo Rivero
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 ES9302583A priority Critical patent/ES2074025B1/en
Publication of ES2074025A2 publication Critical patent/ES2074025A2/en
Publication of ES2074025R publication Critical patent/ES2074025R/es
Application granted granted Critical
Publication of ES2074025B1 publication Critical patent/ES2074025B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Burglar Alarm Systems (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

EL DISPOSITIVO ELECTRICO O ELECTRONICO DE SEGURIDAD PARA VALLAS APROVECHA EL EFECTO WIEDEMANN INVERSO PARA DETECTAR LA VARIACION DE TENSION MECANICA EN UNA VALLA. CONSTA DE UN HILO MAGNETOSTRICTIVO, UN ARROLLAMIENTO SECUNDARIO, UN CIRCUITO EXCITADOR Y UN CIRCUITO DE TRATAMIENTO DE LA SEÑAL RECOGIDA EN EL ARROLLAMIENTO SECUNDARIO CONSTITUIDO POR UN MONTAJE PARA AMPLIAR LA SEÑAL, FILTRO, DETECTOR DE PICO Y UN COMPARADOR, O CUALQUIER DISPOSITIVO DIGITAL QUE PUEDA REALIZAR FUNCIONES SIMILARES. CUANDO SE HACE CIRCULAR UNA CORRIENTE EXCITADORA POR EL HILO MAGNETOSTRICTIVO, SE INDUCE UN VOLTAJE EN EL ARROLLAMIENTO SECUNDARIO QUE ES PROPORCIONAL A LA PERMEABILIDAD MAGNETICA DEL HILO. LA ALARMA SE DISPARA CUANDO LA SEÑAL DEL SECUNDARIO ALCANZA UN NIVEL CRITICO. ESTE NIVEL ES AJUSTABLE UNA VEZ INSTALADO EL HILO EN LA VALLA.THE ELECTRICAL OR ELECTRONIC SAFETY DEVICE FOR FENCES TAKES ADVANTAGE OF THE REVERSE WIEDEMANN EFFECT TO DETECT THE VARIATION OF MECHANICAL VOLTAGE IN A FENCE. IT CONSISTS OF A MAGNETOSTRICTIVE THREAD, A SECONDARY WINDING, AN EXCITING CIRCUIT AND A SIGNAL TREATMENT CIRCUIT COLLECTED IN THE SECONDARY WINDING CONSISTING OF A MOUNT TO EXTEND THE SIGNAL, FILTER, PEAK DETECTOR AND ANY COMPARISON, WHICHEVER. PERFORM SIMILAR FUNCTIONS. WHEN AN EXCITING CURRENT IS CIRCULATED BY THE MAGNETOSTRICTIVE WIRE, A VOLTAGE IS INDUCED IN THE SECONDARY WINDING THAT IS PROPORTIONAL TO THE MAGNETIC PERMEABILITY OF THE WIRE. THE ALARM IS TRIPPED WHEN THE SECONDARY SIGNAL REACHES A CRITICAL LEVEL. THIS LEVEL IS ADJUSTABLE ONCE THE WIRE IS INSTALLED IN THE FENCE.

ES9302583A 1993-12-14 1993-12-14 ELECTRIC OR ELECTRONIC SAFETY DEVICE FOR FENCES. Expired - Fee Related ES2074025B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9302583A ES2074025B1 (en) 1993-12-14 1993-12-14 ELECTRIC OR ELECTRONIC SAFETY DEVICE FOR FENCES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9302583A ES2074025B1 (en) 1993-12-14 1993-12-14 ELECTRIC OR ELECTRONIC SAFETY DEVICE FOR FENCES.

Publications (3)

Publication Number Publication Date
ES2074025A2 ES2074025A2 (en) 1995-08-16
ES2074025R ES2074025R (en) 1997-05-01
ES2074025B1 true ES2074025B1 (en) 1998-02-16

Family

ID=8283896

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9302583A Expired - Fee Related ES2074025B1 (en) 1993-12-14 1993-12-14 ELECTRIC OR ELECTRONIC SAFETY DEVICE FOR FENCES.

Country Status (1)

Country Link
ES (1) ES2074025B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3863501A (en) * 1973-12-19 1975-02-04 Honeywell Inc Magnetostrictive sensor for a flowmeter
US4015477A (en) * 1975-12-22 1977-04-05 Fischer & Porter Co. Linear displacement transducer
DE3624846A1 (en) * 1986-07-23 1988-01-28 Bosch Gmbh Robert DEVICE FOR CONTACT-FREE MEASUREMENT OF A MECHANICAL VOLTAGE
ES2015812A6 (en) * 1989-09-27 1990-09-01 Tecnologia E Investigacion Fer Safety system for wire fences

Also Published As

Publication number Publication date
ES2074025A2 (en) 1995-08-16
ES2074025R (en) 1997-05-01

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