EP1073084A2 - Schaltkontaktanordnung für einen Leistungsschalter - Google Patents
Schaltkontaktanordnung für einen Leistungsschalter Download PDFInfo
- Publication number
- EP1073084A2 EP1073084A2 EP00114806A EP00114806A EP1073084A2 EP 1073084 A2 EP1073084 A2 EP 1073084A2 EP 00114806 A EP00114806 A EP 00114806A EP 00114806 A EP00114806 A EP 00114806A EP 1073084 A2 EP1073084 A2 EP 1073084A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- extension
- plunger
- contact bridge
- circuit breaker
- 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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0214—Housing or casing lateral walls containing guiding grooves or special mounting facilities
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
- H01H73/045—Bridging contacts
Definitions
- the invention relates to a switch contact arrangement, in particular for a circuit breaker, according to the preamble of claim 1.
- Circuit breakers in particular motor protection switches, have one double contact point per phase, where there are two fixed contact pieces, one with a Contact bridge, on which two movable contact pieces are attached, are bridged.
- Arc quenching chambers are assigned to the double contact point in the event of a switch-off action, the two arcs migrate in and are extinguished in it become.
- the contact points are in the lower part of the circuit breaker, whereas the actuators, such as. B. the key switch, the electromagnetic and thermal release are in the upper part.
- EP 0 556 109 B1 discloses the movable contact bridge in a pusher to store, which in turn is stored in a cage. During assembly, the Contact bridge together with the contact pressure spring mounted in the pusher, which then is inserted into the cage; this entire unit is then divided into the lower part of the Switchgear installed.
- the object of the invention is a switching contact arrangement of the type mentioned to create, in which the assembly is simplified by reducing the number of parts.
- the contact bridge is inserted in a slot of an extension of a plunger, which extension, which projects above the contact bridge, inside a coil spring trained contact pressure spring is used; then the plunger with the Contact bridge and the contact pressure spring in a receiving opening of the circuit breaker snapped into place.
- the plunger is in the form of a cuboid for axial guidance during the switch-off process Basic body formed on one surface of the extension with the slot and of which a pin is formed on this opposite surface, the pin with a release element that comes from the switch lock or from the electromagnetic release is actuated or driven, cooperates.
- Fig. 1 shows a lower housing part 10 of a circuit breaker, which by means of a Housing upper part, not shown, supplemented to a circuit breaker housing becomes.
- the lower housing part 10 is by means of a bottom wall 14 and with end faces End walls 15 and 16 provided; on the bottom wall 14 also close side walls 17 and 18.
- FIG. 2 shows a partial sectional view of the lower housing part 10 in the region of the chamber 11 with plunger 20 inserted therein, transverse to the longitudinal extension of the contact bridge 30 cut.
- An upper housing part 50 is placed on the lower housing part 10, which with wall sections 51, the lower housing part 10 on its outer broad sides spreads.
- a wall section 52 is also arranged on the upper housing part 50, the in a slot 53 on the lower housing part for guiding the upper housing part intervenes.
- the chamber 11 is practically on both sides of the wall sections 51 and 52 includes.
- the wall section 52 is then a boundary wall for the chamber 12th
- a plunger 20 which has approximately a cuboid shape, as shown in more detail in FIG. 1, has on one end face 21 a pin 22 which is not described with a Drive element of the circuit breaker interacts. This drive element is coupled with the electromagnetic release or with a key switch.
- Extension 24 is located on the end face 23 opposite the end face 21 24 integrally formed, which has a slot 25.
- the Extension 24 is formed by two extension sections 26 and 27 which pass through the slot 25 are separated from each other.
- the outer contour of the extension sections 26 and 27 is on the one hand circular in the section 28 which directly adjoins the end face 23. This is followed by a frustoconical section on each extension section 26, 27 29, this frustoconical portion 29 as well as the cylindrical Section 28 of the two extension sections 26 and 27 have a common central axis have.
- a contact bridge 30 is inserted, on the movable on both sides Contact pieces 31 are attached.
- the contact piece 31 lying at the front can be seen here, whereas the rear contact piece from the plunger 20a of the arrangement, which is placed in the chamber 12 is covered.
- you can at the contact bridge 30a easily recognize the movable contact pieces 31a and 32a.
- the plunger 20 has a cuboid shape, with those Side surfaces of the cuboid shape that are transverse to the longitudinal extent of the contact bridge 30 are graded by means of a gradation 33.
- a contact pressure spring 34 is inserted into a recess 54 (FIG. 2).
- the contact bridge 30 is inserted into the slot 25, as in the contact bridge 30a and the Plunger 20a can be seen, and the plunger 20 with the contact bridge 30 is connected to the extension 24 inserted into the contact pressure spring 34, as can be seen in FIG. 2.
- the contact pressure spring 34 lies against the bottom surface 14 of the recess 54 in the chamber 11 on.
- lugs 35 and 36 are formed on both sides, which in grooves 37 and 38 of the side wall 39 and 40 of the chamber engage.
- Fig. 1 shows the Tappet 20b as inserted into its receiving opening.
- the grooves 37 and 38 are located on the inside of a tab 41, which is suitably by means of two Slots 42 and 43 is formed from a wall portion 44 so that the tab 41st can spring up better to be able to insert the plunger.
- tab shapes visible at the front in FIG. 1 are the individual chambers on all of them 11, 12 and 13 bounding walls are provided.
- the Tabs 41 are between chamber boundary walls 45 and 46, such Have a distance from each other that the contact bridge 30 are inserted between them can.
- the spring 34 or the springs 34 are in their associated Insertion openings inserted; then the plunger 20, 20a and 20b with the Contact bridges with their extensions 24 inserted into the interior of the contact pressure springs 34.
- arc quenching plate packages are into the lower housing part, afterwards the upper housing part 50 (not shown) to apply to the lower part and to lock it with it.
- the plunger 20 in the lower part of the housing 10 is inserted and located therein, passes through a recess 55 in the upper part of the housing and is guided in it, so that the plunger practically within the Recess 55 can slide.
- the contact bridge 30 has not been shown in detail fixed contact pieces and the plunger 20 can therefore be a certain Move the amount defined by the depth of the slot 25.
- a Switch-off action is triggered by a trigger or another actuating element in the direction of the arrow P on the pin 22, whereby the plunger 20 is moved downward in the direction of arrow P. until the bottom 56 of the slot 25 strikes the contact bridge 30 and the contact bridge of the fixed contact pieces, not shown, also in the direction of arrow P, pushes down.
- the grooves 38 and 37 are elongated Grooves that are at a distance from the free end of the walls or tabs 39 and 40 end so that the plunger 20 with its projections 36 and 35 after snapping is held within the grooves 38 and 37.
- the length of the grooves 37 and 38 is dimensioned in the direction of movement of the plunger 20 so that the plunger downwards, that is to the bottom wall 14 of the switching device, sufficient freedom of movement owns.
- wall sections 52 corresponding wall sections are also present in the other chambers.
Landscapes
- Breakers (AREA)
Abstract
Description
- Fig. 1
- eine Einsicht in ein Gehäuseunterteil eines Leistungsschalters, und
- Fig. 2
- eine Teilschnittansicht eines Gehäuseunter- und -oberteils mit eingesetztem Stößels.
Claims (5)
- Schaltkontaktanordnung insbesondere für einen Leistungsschalter, mit einer Doppelkontaktstelle pro Phase, mit zwei in Abstand zueinander angeordneten, in einer Phasenleitung befindlichen feststehenden Kontaktstücken, die von einer Kontaktbrücke überbrückt werden, mit je einer Kontaktdruckfeder und mit einer Kontaktbrückenführung für jede Phase, dadurch gekennzeichnet, daß die Kontaktbrückenführung durch einen Stößel (20, 20a, 20b) gebildet ist, der einen Fortsatz (24) mit einem Schlitz (25) aufweist, in den die zugehörige Kontaktbrücke (30) einlegbar ist, daß der die Kontaktbrücke (30) überragende Fortsatz (24) in eine Kontaktdruckfeder (34) einfügbar ist und daß der Stößel (20, 20a, 20b) mit der Kontaktbrücke in einer Aufnahmeöffnung des Leistungsschalters einrastbar ist.
- Schaltkontaktanordnung nach Anspruch 1, dadurch gekennzeichnet, daß der Stößel (20) einen quaderartigen Grundkörper aufweist, an dessen einen Fläche (23) der Fortsatz und an dessen entgegengesetzt liegenden Fläche ein Zapfen (22) angeformt sind.
- Schaltkontaktanordnung nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß der Fortsatz (24) durch zwei Fortsatzabschnitte (26, 27) gebildet ist, deren Außenflächen einen zylindrischen Abschnitt (28) und einen konischen Abschnitt (29) bilden, die jeweils eine gemeinsame Mittelachse aufweisen.
- Schaltkontaktanordnung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Aufnahmeöffnung (54) in das Gehäuseunterteil (10) eingeformt ist.
- Schaltkontaktanordnung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß am Stößel (20) Rastnasen vorgesehen sind, die in in Bewegungsrichtung des Stößels verlaufenden Nuten (38, 37) eingreifen und den Stößel in den Nuten verrasten und führen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19935661 | 1999-07-29 | ||
DE19935661A DE19935661A1 (de) | 1999-07-29 | 1999-07-29 | Schaltkontaktanordnung für einen Leistungsschalter |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1073084A2 true EP1073084A2 (de) | 2001-01-31 |
EP1073084A3 EP1073084A3 (de) | 2002-08-14 |
EP1073084B1 EP1073084B1 (de) | 2003-08-27 |
Family
ID=7916487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00114806A Expired - Lifetime EP1073084B1 (de) | 1999-07-29 | 2000-07-11 | Schaltkontaktanordnung für einen Leistungsschalter |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1073084B1 (de) |
DE (2) | DE19935661A1 (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005062333A1 (de) * | 2003-11-28 | 2005-07-07 | Siemens Aktiengesellschaft | Schaltgerät |
US7265311B1 (en) * | 2006-04-26 | 2007-09-04 | Caton Corporation | Arc chamber barrier with interlocking top for circuit breaker |
WO2008061702A1 (de) * | 2006-11-24 | 2008-05-29 | Abb Patent Gmbh | Schaltkammer-baugruppe und schaltgerät |
EP2573784A1 (de) * | 2011-09-21 | 2013-03-27 | Siemens Aktiengesellschaft | Leistungsschalter mit optimierter Gehäusestabilisierung durch klemmend wirkende Festschaltstücke |
CN103733294A (zh) * | 2011-09-21 | 2014-04-16 | 西门子公司 | 具有用于有效散热的通风通道的断路器 |
WO2015036029A1 (de) * | 2013-09-13 | 2015-03-19 | Siemens Aktiengesellschaft | Schaltgerät mit verbesserter auslösemechanik im kurzschlussfall |
FR3074355A1 (fr) * | 2017-11-28 | 2019-05-31 | Schneider Electric Industries Sas | Dispositif de coupure d'un courant electrique |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010005345B4 (de) | 2010-01-21 | 2022-04-21 | Abb Schweiz Ag | Elektrisches Schaltgerät in modularer Bauweise |
DE102012015247A1 (de) | 2012-08-01 | 2014-02-20 | Abb Ag | Schaltkammer-Baugruppe und Schaltgerät |
DE202015100926U1 (de) | 2015-02-26 | 2015-03-10 | Abb Technology Ag | Elektrisches Schaltgerät in modularer Bauweise |
CN105679619B (zh) * | 2016-03-30 | 2017-11-10 | 上海电科电器科技有限公司 | 电器开关的接通分断机构 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0556109A1 (de) * | 1992-02-11 | 1993-08-18 | Schneider Electric Sa | Schaltstruktur für Lastschalter |
DE19757332C1 (de) * | 1997-12-22 | 1999-07-22 | Siemens Ag | Lichtbogenlöscheinrichtung für ein Schaltgerät |
DE19818058A1 (de) * | 1998-04-22 | 1999-11-04 | Siemens Ag | Schaltgerät mit einer Schaltkammer-Baugruppe |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH213673A (de) * | 1938-12-10 | 1941-02-28 | Bosch Gmbh Robert | Kontakteinrichtung an durch einen Elektromagneten betriebenen Geräten, insbesondere an Kraftstoff-Förderpumpen. |
DE1750483U (de) * | 1954-11-19 | 1957-08-14 | Siemens Ag | Halteeinrichtung fuer brueckenkontakte. |
BE557110A (de) * | 1956-06-18 | |||
DE1872034U (de) * | 1961-10-05 | 1963-05-16 | Starkstrom Schaltgeraetefabrik | Elektrisches schaltgeraet. |
DE8023868U1 (de) * | 1980-09-06 | 1982-03-25 | Starkstrom Gummersbach GmbH, 5277 Marienheide | Kontaktvorrichtung für Niederspannungs-Schaltgeräte, insbesondere Schütze |
DD200261A1 (de) * | 1981-09-18 | 1983-04-06 | Henry Baumruker | Anordnung zur halterung von beweglichen schaltgliedern in der traverse eines elektrischen schaltgeraetes |
IT1238322B (it) * | 1990-01-19 | 1993-07-12 | Bremas Spa | Punteria in particolare per la cooperazione con alberi a camme in commutatori elettrici, interruttori o similari |
DE19540972B4 (de) * | 1995-11-03 | 2005-05-04 | Moeller Gmbh | Strombegrenzendes Kontaktsystem mit Doppeltunterbrechung für Niederspannungs-Schutzschalter |
-
1999
- 1999-07-29 DE DE19935661A patent/DE19935661A1/de not_active Withdrawn
-
2000
- 2000-07-11 DE DE50003424T patent/DE50003424D1/de not_active Expired - Lifetime
- 2000-07-11 EP EP00114806A patent/EP1073084B1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0556109A1 (de) * | 1992-02-11 | 1993-08-18 | Schneider Electric Sa | Schaltstruktur für Lastschalter |
DE19757332C1 (de) * | 1997-12-22 | 1999-07-22 | Siemens Ag | Lichtbogenlöscheinrichtung für ein Schaltgerät |
DE19818058A1 (de) * | 1998-04-22 | 1999-11-04 | Siemens Ag | Schaltgerät mit einer Schaltkammer-Baugruppe |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005062333A1 (de) * | 2003-11-28 | 2005-07-07 | Siemens Aktiengesellschaft | Schaltgerät |
US7285742B2 (en) | 2003-11-28 | 2007-10-23 | Siemens Aktiengesellschaft | Switching device |
US7371987B2 (en) | 2003-11-28 | 2008-05-13 | Siemens Aktiengesellschaft | Switching device |
US7748105B2 (en) | 2003-11-28 | 2010-07-06 | Siemens Aktiengesellschaft | Method for producing a switching device |
US7265311B1 (en) * | 2006-04-26 | 2007-09-04 | Caton Corporation | Arc chamber barrier with interlocking top for circuit breaker |
WO2008061702A1 (de) * | 2006-11-24 | 2008-05-29 | Abb Patent Gmbh | Schaltkammer-baugruppe und schaltgerät |
EP2573784A1 (de) * | 2011-09-21 | 2013-03-27 | Siemens Aktiengesellschaft | Leistungsschalter mit optimierter Gehäusestabilisierung durch klemmend wirkende Festschaltstücke |
WO2013041357A1 (de) * | 2011-09-21 | 2013-03-28 | Siemens Aktiengesellschaft | Leistungsschalter mit optimierter gehäusestabilisierung durch klemmend wirkende festschaltstücke |
CN103688330A (zh) * | 2011-09-21 | 2014-03-26 | 西门子公司 | 具有通过起卡紧作用的固定接触元件来优化壳体加固的断路器 |
CN103733294A (zh) * | 2011-09-21 | 2014-04-16 | 西门子公司 | 具有用于有效散热的通风通道的断路器 |
US9384908B2 (en) | 2011-09-21 | 2016-07-05 | Siemens Aktiengesellschaft | Circuit-breaker comprising optimized housing stabilisation by means of fixed contacts with an interlocking action |
US9147541B2 (en) | 2011-09-21 | 2015-09-29 | Siemens Aktiengesellschaft | Circuit breaker comprising ventilation channels for efficient heat dissipation |
CN103733294B (zh) * | 2011-09-21 | 2016-01-20 | 西门子公司 | 具有用于有效散热的通风通道的断路器 |
WO2015036029A1 (de) * | 2013-09-13 | 2015-03-19 | Siemens Aktiengesellschaft | Schaltgerät mit verbesserter auslösemechanik im kurzschlussfall |
CN105340041A (zh) * | 2013-09-13 | 2016-02-17 | 西门子公司 | 在短路情况下具有改善的触发机械机构的开关装置 |
US9659726B2 (en) | 2013-09-13 | 2017-05-23 | Siemens Aktiengesellschaft | Switching device with improved tripping action in the event of a short circuit |
CN105340041B (zh) * | 2013-09-13 | 2017-07-07 | 西门子公司 | 在短路情况下具有改善的触发机械机构的开关装置 |
FR3074355A1 (fr) * | 2017-11-28 | 2019-05-31 | Schneider Electric Industries Sas | Dispositif de coupure d'un courant electrique |
CN109841431A (zh) * | 2017-11-28 | 2019-06-04 | 施耐德电器工业公司 | 电流开关装置 |
EP3503144A1 (de) * | 2017-11-28 | 2019-06-26 | Schneider Electric Industries SAS | Gerät zur unterbrechung eines elektrischen stroms |
CN109841431B (zh) * | 2017-11-28 | 2022-09-02 | 施耐德电器工业公司 | 电流开关装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1073084A3 (de) | 2002-08-14 |
DE19935661A1 (de) | 2001-02-01 |
DE50003424D1 (de) | 2003-10-02 |
EP1073084B1 (de) | 2003-08-27 |
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