EP0876675B1 - Elektrisches schaltgerät - Google Patents
Elektrisches schaltgerät Download PDFInfo
- Publication number
- EP0876675B1 EP0876675B1 EP97901046A EP97901046A EP0876675B1 EP 0876675 B1 EP0876675 B1 EP 0876675B1 EP 97901046 A EP97901046 A EP 97901046A EP 97901046 A EP97901046 A EP 97901046A EP 0876675 B1 EP0876675 B1 EP 0876675B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- state
- switching device
- distance
- short
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/001—Means for preventing or breaking contact-welding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/546—Contact arrangements for contactors having bridging contacts
Definitions
- the invention relates to an electrical switching device with an electromagnetic system, with an arc chamber, with fixed contacts, with a contact bridge with movable Contacts, with a contact carrier with a window in which the contact bridge via a contact spring with the installation dimension C is held, with the electromagnet system in the OFF state the fixed contacts a distance ⁇ from the moving contacts have and being in the ON state of the electromagnetic system the contact spring experiences a pressure D, so that the Contact carrier between ON and OFF state and vice versa Distance D + ⁇ covered.
- a generic switching device is DE 41 04 533 C2 remove. Occurs with this switching device in the ON state Short circuit on, so there are short-circuit current forces at the contact bridge effective that the contact bridge in the open position move.
- the contact spring is down to the block dimension pressed together and then the contact carrier torn up. The forces that occur can affect the contact carrier to have a destructive effect.
- the invention has for its object an electrical To create switching device of the type mentioned above, in which destructive stresses on the contact carrier as a result be avoided by short-circuit current forces.
- FIG. 1 shows a contact system of an electromagnetic Switchgear shown. It's not closer in one here Arc chamber shown with quenching plates 1 housed and essentially from fixed contacts 2, movable Contacts 3 on a contact bridge 4, a contact carrier 5 with a window 6 and a contact spring 7 assembled. In the present OFF state of the electromagnetic system presses the contact spring 7, the contact bridge 4 on the lower edge of the window 6 and has an installation dimension of length C. Die movable contacts 3 are at a distance ⁇ from the fixed contacts 2 located. On the side facing away from the fixed contacts 2 the contact bridge 4 are at a distance A from this stop 8 provided with the arcing chamber advantageously firmly connected, e.g. are molded onto this.
- the contact carrier 5 is around by the magnet armature, not shown here moves the path D + ⁇ downwards from the ON state, with D the pressure of the contact spring 7 in the ON state is designated.
- the contact bridge 4 has in this position the distance A + ⁇ from the stops 8.
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Description
- FIG 1
- ein Kontaktsystem eines elektromagnetischen Schaltgeräts im AUS-Zustand,
- FIG 2
- das Kontaktsystem gemäß FIG 1 im EIN-Zustand und
- FIG 3
- das Kontaktsystem gemäß FIG 2 im EIN-Zustand bei Auftritt eines Kurzschlußstromes.
Claims (2)
- Elektrisches Schaltgerät mit einem Elektromagnetsystem, mit einer Lichtbogenkammer, mit Festkontakten (2), mit einer Kontaktbrücke (4) mit beweglichen Kontakten (3), mit einen Kontaktträger (5) mit einem Fenster (6), in dem die Kontaktbrücke (4) Uber eine Kontaktfeder (7) mit dem Einbaumaß (C) gehalten ist, wobei im AUS-Zustand des Elektromagnetsystems die Festkontakte (2) einen Abstand (Ö) von den beweglichen Kontakten (3) aufweisen und wobei im EIN-Zustand des Elektromagnetsystems die Kontaktfeder (7) einen Durchdruck (D) erfährt, so daß der Kontakttrager (4) zwischen dem EIN- und AUS-Zustand und umkehrt den Weg D + Ö zurücklegt, dadurch gekennzeichnet, daß an der den Festkontakten (2) der Kontaktbrücke (4) abgewandten Seite Anschläge (8) an der Lichtbogenkammer vorgesehen sind, die von der Kontaktbrücke (4) im AUS-Zustand einen solchen Abstand (A) aufweisen, daß sie im Kurzschlußfall bei eingeschaltetem Elektromagnetsystem die durch die Kurzschlußstromkrafte bedingte Öffnungsbewegung der Kontaktbrücken (4) derart begrenzen, daß die Kontaktfeder (7) dabei nicht auf ihr Blockmaß (B) zusammengedrückt wird.
- Elektrisches Schaltgerät nach Anspruch 1, dadurch gekennzeichnet,, daß folgende Bedingung erfüllt ist: C - (D + Ö + A) < B.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97901046A EP0876675B1 (de) | 1996-01-22 | 1997-01-16 | Elektrisches schaltgerät |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19602118 | 1996-01-22 | ||
DE19602118A DE19602118C2 (de) | 1996-01-22 | 1996-01-22 | Elektrisches Schaltgerät |
EP96112126 | 1996-07-26 | ||
EP96112126 | 1996-07-26 | ||
EP97901046A EP0876675B1 (de) | 1996-01-22 | 1997-01-16 | Elektrisches schaltgerät |
PCT/EP1997/000182 WO1997027605A1 (de) | 1996-01-22 | 1997-01-16 | Elektrisches schaltgerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0876675A1 EP0876675A1 (de) | 1998-11-11 |
EP0876675B1 true EP0876675B1 (de) | 1999-07-28 |
Family
ID=26022235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97901046A Expired - Lifetime EP0876675B1 (de) | 1996-01-22 | 1997-01-16 | Elektrisches schaltgerät |
Country Status (5)
Country | Link |
---|---|
US (1) | US6054911A (de) |
EP (1) | EP0876675B1 (de) |
CN (1) | CN1068452C (de) |
DE (1) | DE59700289D1 (de) |
WO (1) | WO1997027605A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4395023B2 (ja) * | 2003-11-04 | 2010-01-06 | 三菱電機株式会社 | 回路遮断器 |
US7839642B2 (en) | 2008-04-04 | 2010-11-23 | Liebert Corporation | Heat-sink brace for fault-force support |
CN101789332B (zh) * | 2010-02-10 | 2012-10-31 | 湖北盛佳电器设备有限公司 | 具有机械式短路自锁功能的交流接触器 |
FR2974660B1 (fr) * | 2011-04-27 | 2018-05-25 | Legrand France | Dispositif de contact electrique a coupure performante |
CN103177884B (zh) * | 2011-12-26 | 2016-09-14 | 上海电科电器科技有限公司 | 低压电器的触头结构 |
JP6064223B2 (ja) * | 2012-12-28 | 2017-01-25 | パナソニックIpマネジメント株式会社 | 接点装置および当該接点装置を搭載した電磁継電器 |
WO2015090367A1 (en) * | 2013-12-17 | 2015-06-25 | Siemens Aktiengesellschaft | A protective electronic module for an hvdc convertor |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4112275A (en) * | 1973-03-26 | 1978-09-05 | Siemens Aktiengesellschaft | Contact structure for electrical switching apparatus |
US4195212A (en) * | 1977-06-06 | 1980-03-25 | Eaton Corporation | Contactor having higher fault current withstandability |
US4132968A (en) * | 1977-09-06 | 1979-01-02 | Westinghouse Electric Corp. | Current limiting circuit breaker with improved magnetic drive device |
FR2454174A1 (fr) * | 1979-04-09 | 1980-11-07 | Merlin Gerin | Contacteur a commande d'ouverture rapide sur defaut |
SE424242B (sv) * | 1980-10-30 | 1982-07-05 | Asea Ab | Elektromagnetisk manovrerad elkopplare |
US4378542A (en) * | 1981-10-30 | 1983-03-29 | Amf Inc. | Electromagnetic contactor |
DE3824546A1 (de) * | 1988-07-20 | 1990-01-25 | Asea Brown Boveri | Elektrischer leistungsschalter |
JP2812810B2 (ja) * | 1990-02-14 | 1998-10-22 | 三菱電機株式会社 | 開閉器 |
-
1997
- 1997-01-16 WO PCT/EP1997/000182 patent/WO1997027605A1/de active IP Right Grant
- 1997-01-16 EP EP97901046A patent/EP0876675B1/de not_active Expired - Lifetime
- 1997-01-16 CN CN97191437A patent/CN1068452C/zh not_active Expired - Fee Related
- 1997-01-16 US US09/101,909 patent/US6054911A/en not_active Expired - Fee Related
- 1997-01-16 DE DE59700289T patent/DE59700289D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1205111A (zh) | 1999-01-13 |
US6054911A (en) | 2000-04-25 |
EP0876675A1 (de) | 1998-11-11 |
WO1997027605A1 (de) | 1997-07-31 |
CN1068452C (zh) | 2001-07-11 |
DE59700289D1 (de) | 1999-09-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0976138B1 (de) | Elektromagnetisches schaltgerät | |
DE4337344A1 (de) | Strombegrenzendes Kontaktsystem für Leistungsschalter | |
EP0876675B1 (de) | Elektrisches schaltgerät | |
DE102012223168A1 (de) | Elektromechanisches Schaltgerät | |
EP0219449B1 (de) | Kontaktanordnung für Niederspannungs- Leitungsschalter mit einem biegsamen Stromband | |
EP0350825B1 (de) | Elektrisches Schaltgerät | |
DE2846213C2 (de) | ||
DE29720715U1 (de) | Schaltgerät mit Lichtbogen-Löscheinrichtung | |
DE1765920B2 (de) | Kontaktanordnung fur elektrische Schaltgerate | |
DE2833497C2 (de) | Elektrischer Lastschalter für Niederspannungsanlagen | |
WO2002027739A1 (de) | Schaltkontaktanordnung eines niederspannungs-leistungsschalters mit kontaktkraftfedern | |
EP1423862B1 (de) | Schaltkontaktanordnung mit einer einrichtung zur verstärkung einer zwischen schaltkontakten wirkenden kontaktkraft | |
DE3513908C2 (de) | Freiluftschaltgerät für Hochspannungsschaltanlagen | |
WO1999033080A1 (de) | Lichtbogenlöscheinrichtung für ein schaltgerät | |
EP1040493B1 (de) | Mehrfachunterbrechende kontakteinrichtung für elektrische schaltgeräte | |
EP0824262B1 (de) | Schnappschalter mit Gehäuse | |
WO1998009307A1 (de) | Bewegbare schaltkontaktanordnung mit kontaktkraftfedern | |
DE2653001B2 (de) | Elektrischer Trennschalter mit rascher Trennung und Sicherheits-Zwangsunterbrechung | |
EP0168568B1 (de) | Trennschalter, insbesondere Einsäulen-Scherentrennschalter | |
DE19629482C1 (de) | Schaltkontaktanordnung mit einer Gelenkanordnung für einen Kontakthebel | |
DE10346361B3 (de) | Anschlussschienen-Anordnung für einen elektrischen Schalter und elektrischer Schalter mit einer Anschlussschienen-Anordnung | |
DE8211786U1 (de) | Elektrischer Schnappschalter | |
DE19948695B4 (de) | Niederspannungs-Leistungsschalter mit einem bewegbaren Kontaktträger mit Endlagen-Haltefeder | |
DE3103356A1 (de) | Trennschalter mit lichtbogen-hilfskontakt | |
DE3331900A1 (de) | Vorrichtung zur uebertragung einer schaltbewegung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19980720 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR IT |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
17Q | First examination report despatched |
Effective date: 19981207 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR IT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 19990728 |
|
REF | Corresponds to: |
Ref document number: 59700289 Country of ref document: DE Date of ref document: 19990902 |
|
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20090320 Year of fee payment: 13 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20090120 Year of fee payment: 13 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20100930 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100201 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100803 |