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
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.
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)
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 |
-
1993
- 1993-12-14 ES ES9302583A patent/ES2074025B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2074025A2 (en) | 1995-08-16 |
ES2074025R (en) | 1997-05-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2042874T3 (en) | CIRCUIT TO CONTROL THE POWER SUPPLY OF AN ELECTRIC LOAD, WHICH HAS A DEVICE TO DETECT A SHORT CIRCUIT OF THE LOAD. | |
DE68907761T2 (en) | Circuit arrangement for detecting the crossing of a fixed reference voltage value by an AC voltage. | |
MX166024B (en) | SWITCHING AC CURRENT VOLTAGE REGULATOR | |
ES2074025B1 (en) | ELECTRIC OR ELECTRONIC SAFETY DEVICE FOR FENCES. | |
ATE155584T1 (en) | CURRENT SENSOR WITH INTEGRATED HALL CIRCUIT | |
ATE103428T1 (en) | PROTECTION DEVICE AGAINST OVERVOLTAGES. | |
ES2229325T3 (en) | IMMUNIZED DIFFERENCE PROTECTION DEVICE AGAINST INTEMPESTIVE RECOHNEXIONS. | |
ES2152903A1 (en) | Electronic magnetic device for the control of perimetric protection systems | |
SU1069063A1 (en) | Device for overvoltage protection of electric installation | |
RU2007811C1 (en) | Gear for protective disconnection of electric installation with ungrounded frame in network with grounded neutral | |
SU898549A1 (en) | Device for protecting electric motor from turn-circuitings | |
SE8106356L (en) | SHORT CIRCUIT DIOD IN A GENERATOR | |
PT8515T (en) | DEVICE FOR PROTECTION AGAINST ELECTRICAL TENSILE | |
DE59503192D1 (en) | DIFFERENTIAL CURRENT PROTECTION SWITCH WITH SPECIAL CORE MATERIAL | |
RU93048211A (en) | DEVICE FOR PROTECTING THE STATOR OF THE GENERATOR FROM SHORT TO EARTH | |
FR2422277A1 (en) | Differential earth fault protection circuit - uses detected current to charge capacitor whose voltage exceeds that of Zener diode and controlling disconnector | |
SU792423A2 (en) | Device for overload protection of electric mains | |
ES1021034Y (en) | PROTECTIVE DEVICE FOR MACHINES AND ELECTRICAL DEVICES AGAINST FREQUENCY AND / OR VOLTAGE ALTERACES IN THE ELECTRICAL CURRENT THAT FEEDS THEM. | |
DE3764184D1 (en) | CURRENT LIMIT SENSOR FOR ELECTRIC PROTECTOR. | |
JPS51139701A (en) | Noise protector | |
SU377938A1 (en) | FRONT SAFE POWER SUPPLY | |
SU392583A1 (en) | DEVICE FOR PROTECTION OF DISCHARGE CIRCUIT GENERATOR OF PULSE CURRENT | |
AR031086A1 (en) | SIGNAL GENERATOR THAT INCLUDES A GENERATOR OF AT LEAST ONE REFERENCE SIGNAL | |
SU892568A1 (en) | Power supply source protection device | |
JPS5788855A (en) | Brushless rotary electric machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 19950816 Kind code of ref document: R Effective date: 19950816 |
|
FD2A | Announcement of lapse in spain |
Effective date: 20141120 |