EP0828277A2 - Leistungsschalter mit ankoppelbaren Hilfsschalter - Google Patents
Leistungsschalter mit ankoppelbaren Hilfsschalter Download PDFInfo
- Publication number
- EP0828277A2 EP0828277A2 EP97114671A EP97114671A EP0828277A2 EP 0828277 A2 EP0828277 A2 EP 0828277A2 EP 97114671 A EP97114671 A EP 97114671A EP 97114671 A EP97114671 A EP 97114671A EP 0828277 A2 EP0828277 A2 EP 0828277A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit breaker
- switch
- auxiliary
- auxiliary switch
- shaft
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
Definitions
- the invention relates to a circuit breaker with a connectable Auxiliary switch, the circuit breaker on Switch lock with a switching shaft or a slide switch via which the main contacts of the circuit breaker and the auxiliary contacts of the auxiliary switch can be switched are.
- a generic circuit breaker is sold by several electrical companies.
- 4 shows a switch lock 1 of such a circuit breaker in the ON position. In this position, the switch lock 1 holds the main contacts of the circuit breaker via a switching shaft 2, of which only one main contact 3 is shown here, in the closed state.
- the control shaft 2 also acts on a contact bridge support 4 of a coupled auxiliary switch HS and holds it in an upper position against an attacking spring force F HS .
- the selector shaft 2 or alternatively a slide switch is directly coupled to the contact bridge support 4 of the auxiliary switch HS.
- the key switch 1 essentially has a handle 5, the control shaft 2, a pawl 6 and a release lever 7. The ON position shown here is caused by the position of the handle 5.
- the ON state according to FIG. 4 is canceled in the event of a short circuit by the electromagnetic system of the circuit breaker or in the event of thermal overload by a bimetallic release, not shown here.
- the release takes place via the unlatching lever 7. If a sufficiently large unlatching force F e is exerted on the unlatching lever 7, for example in the event of thermal overload by the bimetals, this releases the pawl 6 and effects the transition into the via the switching shaft 2 in connection with the spring 10 OFF state according to FIG. 5.
- the unlatching force F e required for triggering results from the force F acting on the control shaft 2 from the spring 10.
- an auxiliary switch HS is coupled, the force required for triggering increases in accordance with the additional spring force F HS .
- the bimetal must be deflected by a certain path to trigger it in the event of thermal overload.
- a counterforce is exerted on the bimetal via the unlatching lever 7, which reduces the deflection of the bimetal in accordance with its own resilience. The deflection of the bimetal required for the triggering is therefore only achieved with a higher thermal overload.
- the thermal release is based on its own spring adapted to the unlatching force, so that the circuit breaker unlatched within the intended limits and switches off.
- the invention has for its object a circuit breaker with a connectable auxiliary switch of the above To improve in such a way that the influence of additionally connected auxiliary switches to the trigger values is avoided with little effort.
- the object is achieved in that in the ON position of the Circuit breaker no active connection of the auxiliary switch to the selector shaft, and that the selector shaft when changing in the OFF state of the circuit breaker after bridging of a lead a switching state change of the auxiliary switch causes.
- a particularly advantageous embodiment of the invention consists of if the lead between the shift shaft and a lever is provided, which is operatively connected to a rotatably mounted, for switching the main contacts serving rocker stands.
- the slide is advantageously operatively connected to a contact bridge support of the auxiliary switch.
- the switch 11 is shown in FIG 1 in the OFF position.
- the rotation of the shift shaft 16 is released here, which results from the attacking force F.
- the switching shaft 16 rests on the slide 21 after passing through the advance 28 and moves it downward into the position shown here.
- the rocker 23 is rotated into a position that opens the main contact 24.
- the upper auxiliary contact 26 of the auxiliary switch HS is open and the lower 27 is closed.
- the force F HS which causes the auxiliary contacts 26 to close in the ON state, is realized here by a spring acting on the contact bridge support 25.
Landscapes
- Breakers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
- FIG 1
- Ein Schaltschloß eines Leistungsschalters mit angekoppelten Hilfsschalter in EIN-Stellung,
- FIG 2
- ein Schaltschloß eines Leistungsschalters mit angekoppeltem Hilfsschalter HS in AUS-Stellung und
- FIG 3
- ein Schaltschloß eines Leistungsschalters ohne angekoppelten Hilfsschalter in EIN-Stellung.
Claims (4)
- Leistungsschalter mit einem ankoppelbaren Hilfsschalter HS, wobei der Leistungsschalter ein Schaltschloß (11) mit einer Schaltwelle (16) bzw. mit einem Schaltschieber aufweist, über die bzw. den die Hauptkontakte (24) des Leistungsschalters und die Hilfskontakte (26,27) und des Hilfsleistungsschalters schaltbar sind,
dadurch gekennzeichnet, daß
in der EIN-Stellung des Leistungsschalters keine Wirkverbindung des Hilfsschalters zur Schaltwelle (16) besteht, und daß die Schaltwelle (16) beim Wechsel in den AUS-Zustand des Leistungsschalters nach Überbrückung eines Vorlaufs (28) einen Schaltzustandswechsel des Hilfsschalters bewirkt. - Leistungsschalter nach Anspruch 1, dadurch gekennzeichnet, daß der Vorlauf (28) zwischen der Schaltwelle (16) und einem Schieber (21) vorgesehen ist, der in Wirkverbindung mit einer drehbar gelagerten, zur Schaltung der Hauptkontakte (24) dienenden Wippe (23) steht.
- Leistungsschalter nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Schieber (21) in Wirkverbindung mit einem Kontaktbrückenträger (25) des Hilfsschalters steht.
- Leistungsschalter nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß eine Feder (22) den Schieber (21) in einem definierten Schaltzustand hält, in dem der Vorlauf (28) besteht.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1996136109 DE19636109C1 (de) | 1996-09-05 | 1996-09-05 | Leistungsschalter mit ankoppelbarem Hilfsschalter |
DE19636109 | 1996-09-05 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0828277A2 true EP0828277A2 (de) | 1998-03-11 |
EP0828277A3 EP0828277A3 (de) | 1999-03-31 |
EP0828277B1 EP0828277B1 (de) | 2006-07-26 |
Family
ID=7804749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19970114671 Expired - Lifetime EP0828277B1 (de) | 1996-09-05 | 1997-08-25 | Leistungsschalter mit ankoppelbaren Hilfsschalter |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0828277B1 (de) |
CN (1) | CN1079574C (de) |
DE (2) | DE19636109C1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19922852C1 (de) * | 1999-05-19 | 2001-04-19 | Eti Elektroelement Dd | Schalter |
DE10249895B3 (de) * | 2002-10-25 | 2004-08-12 | Siemens Ag | Installationsgerät |
DE102006041451B4 (de) * | 2006-09-04 | 2009-01-08 | Siemens Ag | Schaltgerät und Hilfskontaktblock zur Erweiterung eines Schaltgerätes |
BRPI0622022B1 (pt) * | 2006-09-21 | 2018-04-17 | Siemens Aktiengesellschaft | Interruptor automático de sobrecarga com acionamento de interruptor auxiliar ajustável |
DE102006055382A1 (de) * | 2006-11-23 | 2008-05-29 | Siemens Ag | Leitungsschutzschalter |
US8836453B2 (en) * | 2011-10-07 | 2014-09-16 | Siemens Industry, Inc. | Electronic circuit breaker, electronic circuit breaker subassembly, circuit breaker secondary electrical contact assembly, and powering methods |
DE102012106963A1 (de) * | 2012-07-31 | 2014-02-20 | Eaton Electrical Ip Gmbh & Co. Kg | Schaltgerätanordnung |
DE102017218058B4 (de) | 2017-10-11 | 2020-06-25 | Abb Schweiz Ag | Anordnung aus einem Hauptschalter und einem daran angereihten Hilfsschalter und Schaltgerät |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3903414A1 (de) * | 1988-02-24 | 1989-08-31 | Lindner Gmbh | Aus haupt- und hilfsschalter bestehende schalterkombination |
EP0454018A2 (de) * | 1990-04-26 | 1991-10-30 | ABBPATENT GmbH | Elektrisches Schaltgerät |
FR2674370A1 (fr) * | 1991-03-21 | 1992-09-25 | Telemecanique | Appareil interrupteur de protection accoupable a un module de commande et/ou a un module de signalisation. |
DE4304771C1 (de) * | 1993-02-17 | 1994-03-24 | Kloeckner Moeller Gmbh | Schaltvorrichtung für Leistungsschaltgeräte |
-
1996
- 1996-09-05 DE DE1996136109 patent/DE19636109C1/de not_active Expired - Fee Related
-
1997
- 1997-08-25 DE DE59712699T patent/DE59712699D1/de not_active Expired - Fee Related
- 1997-08-25 EP EP19970114671 patent/EP0828277B1/de not_active Expired - Lifetime
- 1997-09-05 CN CN97117948A patent/CN1079574C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3903414A1 (de) * | 1988-02-24 | 1989-08-31 | Lindner Gmbh | Aus haupt- und hilfsschalter bestehende schalterkombination |
EP0454018A2 (de) * | 1990-04-26 | 1991-10-30 | ABBPATENT GmbH | Elektrisches Schaltgerät |
FR2674370A1 (fr) * | 1991-03-21 | 1992-09-25 | Telemecanique | Appareil interrupteur de protection accoupable a un module de commande et/ou a un module de signalisation. |
DE4304771C1 (de) * | 1993-02-17 | 1994-03-24 | Kloeckner Moeller Gmbh | Schaltvorrichtung für Leistungsschaltgeräte |
Also Published As
Publication number | Publication date |
---|---|
CN1177193A (zh) | 1998-03-25 |
CN1079574C (zh) | 2002-02-20 |
DE19636109C1 (de) | 1997-12-18 |
EP0828277A3 (de) | 1999-03-31 |
EP0828277B1 (de) | 2006-07-26 |
DE59712699D1 (de) | 2006-09-07 |
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