ES2033743T3 - Circuito de proteccion contra sobrecargas. - Google Patents
Circuito de proteccion contra sobrecargas.Info
- Publication number
- ES2033743T3 ES2033743T3 ES198787109446T ES87109446T ES2033743T3 ES 2033743 T3 ES2033743 T3 ES 2033743T3 ES 198787109446 T ES198787109446 T ES 198787109446T ES 87109446 T ES87109446 T ES 87109446T ES 2033743 T3 ES2033743 T3 ES 2033743T3
- Authority
- ES
- Spain
- Prior art keywords
- mosfet
- current
- protection circuit
- asl
- subscriber
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for dc applications
Abstract
SE PRESENTA UNA COLOCACION DE CONEXION PARA PROTECCION DE APARATOS ELECTRONICOS, QUE SE ALIMENTAN DE UNA FUENTE DE TENSION CONTINUA Y EN QUE SE ENCIERRE UNA CONDUCCION DE CIERRE (ASL) ESTE PREVISTO UN MOSFET (TI) COMO ELEMENTO LIMITADOR DE CORRIENTE EL MOSFET (TI) SE DESCONECTA EN INTERVALOS PERIODICOS MEDIANTE UN GENERADOR DE TENSION BASCULANTE (K) Y SE CONECTA DE NUEVO SI SE ENCUENTRA EN SU ESTADO LIMITE DE CORRIENTE. EN EL FUNCIONAMIENTO NORMAL DE LA COLOCACION DE CONEXION NO TRABAJA EL GENERADOR DE TENSION BASCULANTE (K). POR DIMENSIONAMIENTO CORRECTO DEL MISMO SE PUEDE AJUSTAR EL TIEMPO EN QUE SE BLOQUEA EL MOSFET (TI) EN RELACION CON EL TIEMPO EN QUE ACTUA UN LIMITADOR DE CORRIENTE. CON ELLO SE EVITA UN CALENTAMIENTO DEMASIADO ELEVADO DEL MOSFET (TI).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863642624 DE3642624A1 (de) | 1986-12-13 | 1986-12-13 | Schaltungsanordnung zum Schutz elektronischer Geraete gegen UEberlastung |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2033743T3 true ES2033743T3 (es) | 1993-04-01 |
Family
ID=6316119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198787109446T Expired - Lifetime ES2033743T3 (es) | 1986-12-13 | 1987-07-01 | Circuito de proteccion contra sobrecargas. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4849850A (es) |
EP (1) | EP0275352B1 (es) |
CN (1) | CN1007770B (es) |
AT (1) | ATE77010T1 (es) |
DE (2) | DE3642624A1 (es) |
DK (1) | DK652987A (es) |
ES (1) | ES2033743T3 (es) |
GR (1) | GR3004857T3 (es) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4977477A (en) * | 1989-08-03 | 1990-12-11 | Motorola, Inc. | Short-circuit protected switched output circuit |
US5192901A (en) * | 1990-03-16 | 1993-03-09 | Cherry Semiconductor Corporation | Short circuit protection |
DE69019746T2 (de) * | 1990-08-29 | 1996-01-25 | Ibm | Überlastungsschutzschaltung. |
DE4138989A1 (de) * | 1991-11-27 | 1993-06-03 | Ant Nachrichtentech | Verfahren zur begrenzung des stromes ueber ein stellglied sowie anordnung |
US5204636A (en) * | 1992-05-05 | 1993-04-20 | Xerox Corporation | Dynamic limiting circuit for an amplifier |
DE4342480C1 (de) * | 1993-12-13 | 1995-07-27 | Siemens Ag | Fernspeiseschaltung in Kommunikationssystemen |
DE4431077C1 (de) * | 1994-09-01 | 1995-08-31 | Ant Nachrichtentech | Überstrombegrenzungseinrichtung |
DE19532156C1 (de) * | 1995-08-31 | 1996-10-24 | Siemens Ag | Speiseschaltung für Kommunikationseinrichtungen |
EP0913753A1 (en) * | 1997-10-29 | 1999-05-06 | STMicroelectronics S.r.l. | Electronic regulation circuit for driving a power device and corresponding protection method of such device |
DE29909206U1 (de) | 1999-05-28 | 2000-10-05 | Ellenberger & Poensgen | Schutzeinrichtung |
US6744229B2 (en) * | 2002-03-28 | 2004-06-01 | Sunonwealth Electric Machine Industry Co., Ltd | Safety-guard detective circuit of a fan motor |
DE102006022158A1 (de) * | 2006-05-12 | 2007-11-15 | Beckhoff Automation Gmbh | Leistungsschaltung mit Kurzschlussschutzschaltung |
US7843248B1 (en) * | 2007-11-01 | 2010-11-30 | Intersil Americas Inc. | Analog switch with overcurrent detection |
DE102016114032A1 (de) * | 2016-07-29 | 2018-02-01 | Endress+Hauser Flowtec Ag | Eigensichere Schaltungsanordnung |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2360678B2 (de) * | 1973-12-05 | 1978-04-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zur Kurzschluß- und Überlastsicherung eines elektronischen Leistungsschaltkreises mit einer Endstufe |
US4019096A (en) * | 1976-06-07 | 1977-04-19 | Rockwell International Corporation | Current limiting apparatus |
DE2648102A1 (de) * | 1976-10-23 | 1978-04-27 | Bbc Brown Boveri & Cie | Anordnung zur optimalen leistungsabgabe im ueberlastbereich bei kurzschluss- und ueberlastgeschuetzten leistungsschaltstufen |
DE3042138A1 (de) * | 1980-11-03 | 1982-05-27 | Mannesmann AG, 4000 Düsseldorf | Schutzschaltungs-vorrichtung fuer einen gleichstrommotor, insbesondere fuer einen drucker-aufwickel-gleichstrommotor |
DE3121754C1 (de) * | 1981-06-01 | 1982-12-09 | Siemens AG, 1000 Berlin und 8000 München | Leistungsschalter mit einem Feldeffekttransistor |
US4394703A (en) * | 1981-12-24 | 1983-07-19 | Gte Automatic Electric Labs Inc. | Load protecting arrangement |
AR241565A1 (es) * | 1984-12-19 | 1992-08-31 | Siemens Ag | Disposicion de circuito para proteger un circuito de alimentacion de abonado en una central de enlace telefonico, preferentemente digital |
US4709160A (en) * | 1986-08-25 | 1987-11-24 | Rockwell International Corporation | Solid state dc power switch |
-
1986
- 1986-12-13 DE DE19863642624 patent/DE3642624A1/de not_active Withdrawn
-
1987
- 1987-07-01 EP EP87109446A patent/EP0275352B1/de not_active Expired - Lifetime
- 1987-07-01 AT AT87109446T patent/ATE77010T1/de not_active IP Right Cessation
- 1987-07-01 DE DE87109446T patent/DE3779606D1/de not_active Expired - Fee Related
- 1987-07-01 ES ES198787109446T patent/ES2033743T3/es not_active Expired - Lifetime
- 1987-12-11 DK DK652987A patent/DK652987A/da not_active Application Discontinuation
- 1987-12-12 CN CN87107404A patent/CN1007770B/zh not_active Expired
- 1987-12-14 US US07/132,245 patent/US4849850A/en not_active Expired - Fee Related
-
1992
- 1992-06-10 GR GR920401210T patent/GR3004857T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
CN1007770B (zh) | 1990-04-25 |
DK652987D0 (da) | 1987-12-11 |
ATE77010T1 (de) | 1992-06-15 |
EP0275352B1 (de) | 1992-06-03 |
GR3004857T3 (es) | 1993-04-28 |
DE3779606D1 (en) | 1992-07-09 |
DK652987A (da) | 1988-06-14 |
US4849850A (en) | 1989-07-18 |
EP0275352A1 (de) | 1988-07-27 |
DE3642624A1 (de) | 1988-06-23 |
CN87107404A (zh) | 1988-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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