EP0164632A2 - Dispositif d'extinction d'arc - Google Patents

Dispositif d'extinction d'arc Download PDF

Info

Publication number: EP0164632A2
Authority: EP; European Patent Office
Prior art keywords: arc; quenching; guide rail; side walls; quenching plate
Prior art date: 1984-06-13
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

Application number

EP85106486A

Other languages

German (de)

English (en)

Other versions

EP0164632B1 (fr

EP0164632A3 (en

Inventor

Klaus Dipl.-Ing. Greefe

Richard Dipl.-Ing. Kommert

Rudolf Sellner

Erwin Ing. Muders (Grad.)

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.)

ASEA BROWN BOVERI AKTIENGESELLSCHAFT

Original Assignee

Brown Boveri und Cie AG Germany

Asea Brown Boveri AG Germany

BBC Brown Boveri AG Germany

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.)

1984-06-13

Filing date

1985-05-25

Publication date

1985-12-18

1985-05-25 Application filed by Brown Boveri und Cie AG Germany, Asea Brown Boveri AG Germany, BBC Brown Boveri AG Germany filed Critical Brown Boveri und Cie AG Germany

1985-12-18 Publication of EP0164632A2 publication Critical patent/EP0164632A2/fr

1988-03-30 Publication of EP0164632A3 publication Critical patent/EP0164632A3/de

1991-07-17 Application granted granted Critical

1991-07-17 Publication of EP0164632B1 publication Critical patent/EP0164632B1/fr

2005-05-25 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000010791 quenching Methods 0.000 claims description 39
230000000171 quenching effect Effects 0.000 claims description 30
230000007704 transition Effects 0.000 description 3
230000000694 effects Effects 0.000 description 2
239000007789 gas Substances 0.000 description 2
230000000712 assembly Effects 0.000 description 1
238000000429 assembly Methods 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000007664 blowing Methods 0.000 description 1
238000011835 investigation Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
238000000034 method Methods 0.000 description 1
230000008569 process Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000004904 shortening Methods 0.000 description 1

Images

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/36—Metal parts

Definitions

the invention relates to an arc extinguishing device according to the preamble of claim 1.
Arc-quenching devices have an arc-quenching plate packet which is surrounded by an envelope which normally covers the two quenching plates located at the outer ends of the arc-quenching plate packet and the rear edges of the quenching plates, with recesses being provided in the end wall of the envelope overlapping the rear edges and providing the arc gases allow an exit from the stack of quenching sheets.
envelopes essentially prevent the arc from being re-ignited on the sides or on the rear side of the arc-quenching plate stack.
the upper and lower cover plates that is to say those plates which are on the upper and lower quenching lie flat, provide a recess so that the arc cannot move forward to the contact point and can be ignited again in the front area of the arc quenching plate package.
the object of the invention is to accelerate the arc running away from the contact points and the formation of a higher arc voltage as much as possible.
This wrapping can be used particularly advantageously in the case of arc-quenching plate assemblies which are used in circuit breakers.
the envelope can keep additional arc quenching plates at a distance, so that the envelope performs two functions simultaneously.
the shortening of the guide rails essentially serves to prevent the arc from short-circuiting behind the chamber and, on the other hand, to enlarge the exhaust air opening, so that thermal build-up effects which drive the arc forward towards the contact point are avoided.
a normal, commercially available electrical circuit breaker has a contact point 12 formed from a movable contact piece 10 and a fixed contact piece 11, between which an arc 13 is drawn during the switch-off process.
the movable contact piece 10 is attached to a contact lever 14 (here forms), which is actuated by a switch lock due to a short circuit or overload current case.
the overload current release can be a bimetal and the short-circuit current release can be an electromagnetic release.
the fixed contact piece 11 is fastened to an arc guide rail 15, which is arranged opposite another arc guide rail 16, between which an arc quenching plate packet 17 is arranged.
the arc 13 which arises during a switching operation is expanded on account of an electromagnetic blowing field, which is formed, for example, from the assignment of the movable contact lever 14 with the contact piece 10 to the fixed contact piece 11 with the arc guide rail 15, and is driven into the arc quenching plate packet 17, where it is extinguished .
the arc quenching plate packet consists of several superimposed arc quenching plates 18, which are designed in the usual way; this configuration is not important for the invention.
the arc quenching plates 18 of the arc quenching plate stack 17 are kept at a distance by means of a sheath 19.
two protruding lugs or cams 20 and 21 or 22 and 23 are formed on both sides of the arc extinguishing plates 18, which are pressed into openings 24 and 25 on the side walls 19 'of the casing 19 or, conversely, the openings 24 and 25 are pressed over the lugs 20, 21, 22 and 23 in such a way that the lugs reach through the side walls 19 'of the casing 19.
the outer surfaces of the outer arc quenching plates are at a distance B from one another. It can be seen from Fig. 3 that the two side walls protrude in a partial area C of the arc quenching plate package, both upwards and downwards (indicated by C o and C u in Fig. 3).
the sheathing and in particular the side walls 19 ′ have a partial region D to the rear, that is to say in the exhaust gas direction, the height H of which corresponds to the distance B between the two outer surfaces of the arc-quenching plate stack 17.
the transition between subarea C and subarea D takes place via a transition radius 27 in the upper part and 28 in the lower part.
the two side walls 19 ' are connected by means of a connecting plate 30 (rear or end wall), whereby an approximately U-shaped envelope is formed, of which the two legs form the side walls 19' and the web forms the rear wall 30.
This sheathing not only serves to prevent reignitions on the sides or the rear side of the arc quenching plate packet 17, but rather the side walls 19 'also serve to keep the arc quenching plates spaced apart from one another.
Exhaust openings 31 are provided on the rear end wall 30, which are designed in a generally customary embodiment.
the arc guide rail 15 lies directly against a housing wall 32.
the housing wall 32 has a recess 33, into which the arc guide rail 15 is inserted.
the housing also has a covering cam 34, which covers part of the arc guide rail 15, which can be seen in FIG. 2, as a result of which the arc guide rail is fixed to the housing 32.
the envelope known per se receives recesses which are formed by the transitions 27 and 28; in the area of the two Guide rails 15 and 1b in the upper and in the lower area and in the front area. With their side walls 19 ', the envelope 19 projects above and below the arc-quenching plate packet 17.
the cutout at 28 is also advantageous insofar as the cutout at 28 leaves space for a cam 34 to be provided in the housing part 32 (see FIG. 1), which fixes the lower guide rail.
the two guide rails end in front of the rear edge of the arc-quenching plate package, with the guide rail 16 in the step region at 27 and the guide rail 15 a little way in front of the rear edge of the Arc quenching sheet package ends.

Landscapes

Arc-Extinguishing Devices That Are Switches (AREA)

EP85106486A 1984-06-13 1985-05-25 Dispositif d'extinction d'arc Expired - Lifetime EP0164632B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19843421876 DE3421876A1 (de)	1984-06-13	1984-06-13	Lichtbogenloescheinrichtung
DE3421876		1984-06-13

Publications (3)

Publication Number	Publication Date
EP0164632A2 true EP0164632A2 (fr)	1985-12-18
EP0164632A3 EP0164632A3 (en)	1988-03-30
EP0164632B1 EP0164632B1 (fr)	1991-07-17

Family

ID=6238227

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP85106486A Expired - Lifetime EP0164632B1 (fr)	1984-06-13	1985-05-25	Dispositif d'extinction d'arc

Country Status (3)

Country	Link
EP (1)	EP0164632B1 (fr)
DE (2)	DE3421876A1 (fr)
NZ (1)	NZ212409A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0263293A1 (fr) *	1986-09-06	1988-04-13	Asea Brown Boveri Aktiengesellschaft	Dispositif d'extinction d'arc
WO1999027553A1 (fr) *	1997-11-21	1999-06-03	Siemens Aktiengesellschaft	Appareil de distribution muni d'un dispositif d'extinction d'arc
WO1999033080A1 (fr) *	1997-12-22	1999-07-01	Siemens Aktiengesellschaft	Dispositif extincteur d'arc destine a un appareillage de connexion

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2611058A (en) *	1950-08-12	1952-09-16	Westinghouse Electric Corp	Circuit interrupter
BE546847A (fr) *	1955-04-07
US2942083A (en) *	1956-12-24	1960-06-21	Westinghouse Electric Corp	Circuit interrupters
US3243559A (en) *	1963-07-01	1966-03-29	Gen Electric	Electric switch with novel arc cooling means
DE1965270U (de) *	1967-02-01	1967-08-03	Schrack Elek Zitaets A G E	Loeschkammer.
DE1690463B1 (de) *	1968-02-03	1971-10-07	Elektro App Werke Berlin Trept	Lichtbogenloescheinrichtung fuer elektrische niederspannungs leistungsschalter
US3641293A (en) *	1970-01-08	1972-02-08	Allis Chalmers Mfg Co	Arc chute plates for air curcuit breaker
CH543174A (de) *	1971-09-30	1973-10-15	Carl Maier & Cie Elek Sche Sch	Leitungsschutzschalter
DE2419656B2 (de) *	1974-04-24	1978-03-23	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Löschblechstapel, insbesondere für Leitungsschutzschalter, der auf einen Isolierstoffträger aufgeheftet ist
DE2923234C2 (de) *	1979-06-08	1987-03-12	Brown, Boveri & Cie Ag, 6800 Mannheim	Für Niederspannungsschaltanlagen bestimmter Leistungsschalter oder Schutzschalter

1984
- 1984-06-13 DE DE19843421876 patent/DE3421876A1/de not_active Withdrawn
1985
- 1985-05-25 DE DE8585106486T patent/DE3583459D1/de not_active Expired - Lifetime
- 1985-05-25 EP EP85106486A patent/EP0164632B1/fr not_active Expired - Lifetime
- 1985-06-13 NZ NZ212409A patent/NZ212409A/en unknown

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0263293A1 (fr) *	1986-09-06	1988-04-13	Asea Brown Boveri Aktiengesellschaft	Dispositif d'extinction d'arc
WO1999027553A1 (fr) *	1997-11-21	1999-06-03	Siemens Aktiengesellschaft	Appareil de distribution muni d'un dispositif d'extinction d'arc
US6262384B1 (en)	1997-11-21	2001-07-17	Siemens Aktiengesellschaft	Switching device having an arc extinguishing device
WO1999033080A1 (fr) *	1997-12-22	1999-07-01	Siemens Aktiengesellschaft	Dispositif extincteur d'arc destine a un appareillage de connexion
US6288354B1 (en)	1997-12-22	2001-09-11	Siemens Aktiengesellschaft	Switching device with an arc extinguishing device

Also Published As

Publication number	Publication date
EP0164632B1 (fr)	1991-07-17
DE3421876A1 (de)	1985-12-19
DE3583459D1 (de)	1991-08-22
EP0164632A3 (en)	1988-03-30
NZ212409A (en)	1988-05-30

Legal Events

Date	Code	Title	Description
1985-10-18	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
1985-12-18	AK	Designated contracting states	Designated state(s): BE DE FR GB IT
1988-02-11	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1988-03-30	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): BE DE FR GB IT
1988-07-20	17P	Request for examination filed	Effective date: 19880513
1988-10-26	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: ASEA BROWN BOVERI AKTIENGESELLSCHAFT
1990-07-11	17Q	First examination report despatched	Effective date: 19900530
1991-05-31	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1991-07-17	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): BE DE FR GB IT
1991-07-26	ET	Fr: translation filed
1991-07-30	ITF	It: translation for a ep patent filed
1991-08-22	REF	Corresponds to:	Ref document number: 3583459 Country of ref document: DE Date of ref document: 19910822
1991-08-28	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1992-05-23	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1992-05-23	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1992-07-15	26N	No opposition filed
1994-04-18	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19940418 Year of fee payment: 10
1994-05-05	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19940505 Year of fee payment: 10 Ref country code: BE Payment date: 19940505 Year of fee payment: 10
1994-06-13	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19940613 Year of fee payment: 10
1995-05-25	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19950525
1995-05-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: BE Effective date: 19950531
1995-11-30	BERE	Be: lapsed	Owner name: ASEA BROWN BOVERI A.G. Effective date: 19950531
1996-01-24	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19950525
1996-02-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19960201
1996-02-29	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19960229
1996-04-05	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST
1996-04-19	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST

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