EP0200581B1 - Fehlerstromschutzschaltermechanismen die ihre Kupplung in oder an Selbstausschaltern erlauben - Google Patents

Fehlerstromschutzschaltermechanismen die ihre Kupplung in oder an Selbstausschaltern erlauben Download PDF

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Publication number
EP0200581B1
EP0200581B1 EP86400503A EP86400503A EP0200581B1 EP 0200581 B1 EP0200581 B1 EP 0200581B1 EP 86400503 A EP86400503 A EP 86400503A EP 86400503 A EP86400503 A EP 86400503A EP 0200581 B1 EP0200581 B1 EP 0200581B1
Authority
EP
European Patent Office
Prior art keywords
spring
circuit breaker
relay
rocking lever
lever
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
Application number
EP86400503A
Other languages
English (en)
French (fr)
Other versions
EP0200581A1 (de
Inventor
José Maria Elizalde
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.)
ELECTROTECNICA F DE RODA SA
Original Assignee
ELECTROTECNICA F DE RODA SA
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 ELECTROTECNICA F DE RODA SA filed Critical ELECTROTECNICA F DE RODA SA
Publication of EP0200581A1 publication Critical patent/EP0200581A1/de
Application granted granted Critical
Publication of EP0200581B1 publication Critical patent/EP0200581B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • H01H2083/045—Auxiliary switch opening testing circuit in synchronism with the main circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/58—Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide

Definitions

  • the present invention relates to differential circuit breaker mechanisms to allow their coupling in or to automatic circuit breakers.
  • the active element in which the disconnection triggering begins that is to say the relay
  • this differential circuit breaker mechanism in addition to its tripping and resetting device which has the characteristics set out above with regard to precision and low inertia, there is also present the corresponding circuit test button which allows to check, at any time, the proper functioning of the device. According to the invention, this test button does not complicate the whole mechanism at all because of its design, the return spring of this button is used as a conductive element which establishes the closing of the test circuit.
  • the device according to the invention has, by virtue of its new design, a plurality of advantageous characteristics among which one can cite the fact that it comprises a single intermediate piece of plastic , a floating adjustable trigger relay, simple mounting and adjustment, a test button for highly sensitive operation and absolute reliability.
  • the apparatus comprises, as can be seen in FIG. 1, an electromechanical assembly housed in a carcass 1 made of a dielectric material and which is separated into two separate compartments, namely a compartment for housing a transformer 2 and another compartment in which is located the actual differential mechanism which is triggered by the action of a relay 3 whose central rod is movable.
  • the differential mechanism warns of its triggering by the output to the outside of a push button 4 which also constitutes the element used for resetting it.
  • This push button 4 carries, inside, a projection 5 on which bears a spring 6 against which the rearming takes place, this spring being the element which causes the push button to exit in the case an anomaly in the circuit.
  • the lower internal part of the push button 4 has a recess in which a pawl 7 can be hooked held in this position by a spring 8, a position which ensures the retention of the push button 4.
  • a balance 9 articulated in its central part comprising two branches practically square, which constitutes a part with several functions cooperating, on one side, with the pawl 7 and also, on the other side, with an intermediate piece 15 as well as with a spring 13.
  • This pendulum 9 maintains its position of equilibrium against a spring wound on its axis of rotation, as a result of the retention carried out by a lever bent with a piece 10, of plastic material, which constitutes the single element existing between the relay 3 and the rest of the differential mechanism.
  • the position of this lever 10 is also determined by the action of a spring 11.
  • the intermediate part 15 (FIG. 3) constitutes, between the carcass 1 and the rest of the housing which contains the disconnection contacts, a floating part, having the possibility of a sliding movement, the axis of rotation being indicated by the reference 18 in FIG. 3.
  • This part 15 is actuated, on one side on which it has a protuberance or a stud, by the pendulum 9 and it receives, on the other side, a rod 16 which constitutes the disconnection element poles of automatic circuit breakers.
  • the absolute protection of this sliding intermediate piece 15 ensures a perfect transmission following any requirement or external action.
  • relay 3 its mounting is, as can be seen in FIG. 1, of the floating type and it is held by an adjustment screw 14 engaged in a lower appendage 17 which projects from the frame of the relay 3.
  • This screw 14 makes it possible to approach the relay 3 more or less of the lever 10.
  • the screw 14 carries a coaxial helical spring which brakes it and fixes the chosen position.
  • the pendulum 9 returns to its position shown in FIG. 1 when the reset push-button 4 is pressed, however after having resolved the cause which produced the trip.
  • the push button 4 rotates the balance 9 in the opposite direction which is then immobilized in a fixed position if the position of the bent lever 10 allows it.

Landscapes

  • Breakers (AREA)
  • Emergency Protection Circuit Devices (AREA)

Claims (5)

1. Fehlerstromschutzschaltermechanismus, der zur Kupplung in oder an einen Selbstausschalter bestimmt ist, um einen geschützten elektrischen Kreis beim Auftreten eines Fehlers zu unterbrechen, mit einem Relais (3), das die Schnellauslösung des Schutzschalters veranlaßt, und mit einem zentralen Schwinghebel (9), der auf Mittel zur Unterbrechung des geschützten elektrischen Kreises einwirkt und das Herausspringen eines durch eine Feder (6) belasteten Wiedereinschaltknopfes (4) veranlaßt, dadurch gekennzeichnet, daß er ein einstuckiges Element (10) aus Kunststoff in Form eines Winkelhebels umfaßt, der um seinen zentralen Abschnitt (29) gegen eine Feder (11) verschwenkbar ist, wobei das einstückige Element (10) zwischen dem Relais (3) und dem zentralen Schwinghebel (9) angeordnet ist und das Festhalten des Schwinghebels (9) in der einschaltstellung sicherstellt.
2. Fehlerstromschutzschaltermechanismus nach Anspruch 1, dadurch gekennzeichnet, daß das Relais (3) verstellbar gelagert und durch eine Schraube (14) einstellbar ist, die mit einer koaxialen Stützfeder (20) versehen ist, um die Lage der Relaisanordnung (3) gegenüber dem Winkelhebel (10) einstellen zu können.
3. Fehlerstromschutzschaltermechanismus nach einem der vorhergehenden Ansprüche und mit einem Prüfknopf (12), dadurch gekennzeichnet, daß der Prüfknopf (12) mit dem ersten Schenkel einer durch einen elektrisch leitenden Draht gebildeten Winkelfeder (13) in Kontakt steht, die ihrerseits um den Schwenkpunkt des zentralen Abschnitts des Winkelhebels (10) gewickelt ist und als Brücke im Prüfkreis dient, und daß der Schwinghebel (9) derart in Kontakt mit dem unteren Schenkel der Feder (13) steht, daß beim Auslösen des Schutzschalters der Prüfkreis infolge der Drehung des Schwinghebels (9) unterbrochen wird, der dann die Trennung des unteren Schenkels der Feder (13) von dem diesem Schenkel zugeordneten unteren Kontaktpunkt im Prüfkreis bewirkt.
4. Fehlerstromschutzschaltermechanismus nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Mittel zur Unterbrechung des geschützten Kreises von einem Zwischenstück (15) gebildet werden, das um eine Achse (18) drehbar gelagert ist und das mittels eines Vorsprungs oder einer Warze betatigbar ist, auf den bzw. die bei seiner Drehung der Schwinghebel (9) einwirkt, wobei das Zwischenstück (15) eine Vertiefung für den Eingriff eines Bolzens (16) oder eines ähnlichen Elements aufweist, das zur Trennung der Pole des geschützten elektrischen Kreises dient.
5. Fehlerstromschutzschaltermechanismus nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Wiedereinschaltknopf (4) im Inneren des Gehäuses (1) des Mechanismus eine Vertiefung aufweist, in die eine von einer Feder (8) belastete und um ihren zentralen Abschnitt verschwenkbare Klinke (7) eingreift.
EP86400503A 1985-03-08 1986-03-10 Fehlerstromschutzschaltermechanismen die ihre Kupplung in oder an Selbstausschaltern erlauben Expired - Lifetime EP0200581B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES285200 1985-03-08
ES1985285200U ES285200Y (es) 1985-03-08 1985-03-08 Mejoras introducidas en los mecanismos de interruptores di- ferenciales para acoplamiento en o a interruptores automati-cos

Publications (2)

Publication Number Publication Date
EP0200581A1 EP0200581A1 (de) 1986-11-05
EP0200581B1 true EP0200581B1 (de) 1990-08-08

Family

ID=8434772

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86400503A Expired - Lifetime EP0200581B1 (de) 1985-03-08 1986-03-10 Fehlerstromschutzschaltermechanismen die ihre Kupplung in oder an Selbstausschaltern erlauben

Country Status (3)

Country Link
EP (1) EP0200581B1 (de)
DE (1) DE3673225D1 (de)
ES (1) ES285200Y (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2616585A1 (fr) * 1987-06-11 1988-12-16 Hager Electro Dispositif de test pour appareil electrique differentiel de protection incorporant ce dispositif, notamment pour disjoncteur differentiel
FR2662019B1 (fr) * 1990-05-10 1992-07-24 Merlin Gerin Circuit test pour un declencheur differentiel.
EP2339606B1 (de) * 2009-12-24 2012-07-11 Hager Electro Sas Elektrischer Verriegelungsmechanismus zum Schutz einer Leitung mit Differentialfunktion

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1466250A (fr) * 1965-03-01 1967-01-20 Disjoncteur divisionnaire à haut pouvoir de coupure plus spécialement bipolaire
DE2659771C2 (de) * 1976-12-31 1978-10-19 Siemens Ag, 1000 Berlin Und 8000 Muenchen Auslöser für Fehlerstromschutzschalter
DE2834327C2 (de) * 1978-08-04 1983-01-13 Heinrich Kopp Gmbh & Co Kg, 8756 Kahl Elektrischer Vollschutzschalter

Also Published As

Publication number Publication date
ES285200Y (es) 1986-05-01
ES285200U (es) 1985-09-16
DE3673225D1 (de) 1990-09-13
EP0200581A1 (de) 1986-11-05

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