EP1463075A2 - Paquet de tôles d'extinction d'arc pour un interrupteur, en particulier pour un disjoncteur - Google Patents

Paquet de tôles d'extinction d'arc pour un interrupteur, en particulier pour un disjoncteur Download PDF

Info

Publication number
EP1463075A2
EP1463075A2 EP04004614A EP04004614A EP1463075A2 EP 1463075 A2 EP1463075 A2 EP 1463075A2 EP 04004614 A EP04004614 A EP 04004614A EP 04004614 A EP04004614 A EP 04004614A EP 1463075 A2 EP1463075 A2 EP 1463075A2
Authority
EP
European Patent Office
Prior art keywords
arc
quenching
plates
quenching plate
arc quenching
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
Application number
EP04004614A
Other languages
German (de)
English (en)
Other versions
EP1463075B1 (fr
EP1463075A3 (fr
Inventor
Wolfgang Dipl.-Ing. Pump
Wolfgang Dipl.-Ing. Süss
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.)
ABB AG Germany
Original Assignee
ABB Patent GmbH
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 ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP1463075A2 publication Critical patent/EP1463075A2/fr
Publication of EP1463075A3 publication Critical patent/EP1463075A3/fr
Application granted granted Critical
Publication of EP1463075B1 publication Critical patent/EP1463075B1/fr
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
    • 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
    • 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
    • H01H9/362—Mounting of plates in arc chamber

Definitions

  • the invention relates to an arc extinguishing plate arrangement according to the preamble of Claim 1.
  • Such an arc-quenching plate arrangement also called an arc-quenching plate package, is housed in a circuit breaker or a motor protection switch.
  • the Arc quenching plate package consists of several arc quenching plates, which are identical.
  • the sheets are rectangular and are made of metal and have a V-shaped inlet contour that is open to the point of arcing.
  • the Individual quenching plates are arranged on both sides on their long sides Strips of insulating material held together to the package and at a mutual distance set.
  • arc quenching plate packages are e.g. from the DE 36 30 447 become known.
  • the arc quenching plate package borders in its viewed in the direction of arc running, the rear end to a wall made of insulating material, has the grooves, engage in the rear edges of the quenching plates.
  • the maximum possible number of fire extinguishing plates is determined by the installation height, whereby the sheet thickness and the distance between the sheets has an influence. Since the Installation height and the maximum possible number of fire extinguishing plates is responsible for the size the resulting arc voltage and thus for the possible limitation of the Short-circuit current when the arc enters this quenching chamber, one tries to to place as many arc quenching plates as possible in an arc quenching chamber, in practice a sheet thickness of 0.6mm due to the thermal strength and the distance between the sheets should not be less than 0.6mm can and does not fall below these values to increase the arc voltage leads. So for these physical reasons, it is for a certain Installation height geometrically defines the maximum achievable arc voltage.
  • the object of the invention is, with the same geometric dimensions, i. H. at the same Installation height of the quenching plate package a higher arc voltage and thus to achieve a better limitation of the short-circuit current.
  • the arc-quenching plate package then has first arc-quenching plates from a first one Length and second arc quenching plates one shorter than the first second length; the shorter length arc quenching plates are each between two sheets of the first length arranged, the rear edges of both quenching sheet packages parallel to each other in a direction perpendicular to the arc running direction Level.
  • the arc extinguishing plate with a first length should be the first plate and the arc extinguishing plate with the second length is referred to as the second plate become.
  • the first extinguishing plates are by means of two strips of insulating material to a first arc quenching plate package assembled and the second sheets by means of further strips of insulating material put together to a second arc quenching plate package.
  • Both stacks of arc extinguishers or packages are put together so that the stack with the second quenching plate is inserted from behind into the first stack, after the Inserting the two packages into each other means are provided to the first and keep the second baffle plates at a distance and position them against each other.
  • the first sheets run the entire length of the arc quenching chamber or of the quenching sheet stack, while the inserted second sheets approximately between Measure 30% to 50% of this length. Both quenching plates have a similar V-shaped Inlet contour on.
  • the short quenching plates can have a thickness equal to or is slightly less than that of the first quenching plates.
  • the arc runs into the first stack of quenching sheets, in which the individual Have a large distance between the sheets; this shrinkage is faster than at the usual quenching plate packages because the distance between two quenching plates is larger is as the distance in arc stack according to the prior art. Due to the larger distance between the fire extinguishers in the front area there is also the flow resistance in front of the arc lower, which reduces the infeed speed increased. This means that there is already a good current limitation in the front of the package due to the fast increasing direction of the driving tension Arc voltage reached. The arc is cooled and the short-circuit current sinks.
  • the stack of arcing plates 10 shown there has first arcing plates 11 and second arcing plates 12.
  • the arc extinguishing plates 11 are elongated rectangular and in the usual way have a V-shaped cutout 6 in their front area, which can be referred to as an inlet recess.
  • the individual arc quenching plates 11 have a first length L 1 and are at a first distance D 1 from one another.
  • the first quenching plates 11 are kept at a distance from one another by means of strips 14 and 15 of insulating material, preferably of insulating paper, arranged on both sides.
  • Each fire-extinguishing plate 11 has recesses 16, 17 on its longer longitudinal edge, in which protruding pins 18, 19, 20 are located transversely to the longitudinal extent of the first sheets, two pins 18 and 19 on each side on a fire-extinguishing plate and on both sides of the adjacent fire-extinguishing plate a pin 20 are formed; Extinguishing plates with two pins each alternate with extinguishing plates with one pin each.
  • a second stack with second quenching plates 12 is inserted, which are at the same distance D 1 from one another, but are possibly slightly thinner than the plates 11 of the first stack.
  • These arc extinguishing plates 12 also have a V-shaped cutout 5 in their front area as an inlet recess and, on their edges running parallel to the arc running direction, two pins 22, 23 projecting transversely thereto, which preferably fit into openings adapted to each of them by a further strip 24 of electrically insulating material Intervene from insulating paper so that the quenching plates are kept at a distance from one another in the same way as the quenching plates 11, only one strip 24 being shown here.
  • the length a of the first sheets 11 is greater than the length b of the second quenching plates 12, the length b being between 30% to 50% of the length a is.
  • Fig. 1 From Fig. 1 it can be seen that on the front longitudinal edges in the arc running direction of the two strips 24 groove-like recesses 25 are provided behind the transverse edges 26 of the first sheets 11 engage so that the second sheet stack is positioned opposite the first quenching plate package.
  • the transverse edges run here 26 perpendicular to the arc running direction, so that a kind of step is formed, over which the front area of the first arc quenching plates, as seen in the direction of arc travel 11 merges into a narrower area, so that the two strips 24 of insulating material lie approximately in the planes in which the strips 14, 15 are located.
  • a further fixation of the second arc quenching plate package is carried out by suitable strips or projections on the inside wall of the switchgear, in that the arc quenching arrangement is to be used.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Breakers (AREA)
EP20040004614 2003-03-22 2004-02-28 Paquet de tôles d'extinction d'arc pour un interrupteur, en particulier pour un disjoncteur Expired - Lifetime EP1463075B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003112820 DE10312820B4 (de) 2003-03-22 2003-03-22 Lichtbogenlöschblechanordnung für einen elektrischen Schalter, insbesondere einen elektrischen Leitungsschutzschalter
DE10312820 2003-03-22

Publications (3)

Publication Number Publication Date
EP1463075A2 true EP1463075A2 (fr) 2004-09-29
EP1463075A3 EP1463075A3 (fr) 2006-04-19
EP1463075B1 EP1463075B1 (fr) 2012-07-25

Family

ID=32798040

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040004614 Expired - Lifetime EP1463075B1 (fr) 2003-03-22 2004-02-28 Paquet de tôles d'extinction d'arc pour un interrupteur, en particulier pour un disjoncteur

Country Status (2)

Country Link
EP (1) EP1463075B1 (fr)
DE (1) DE10312820B4 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102129943A (zh) * 2010-01-18 2011-07-20 三菱电机株式会社 电路断路器
EP2405453A1 (fr) * 2010-07-06 2012-01-11 LSIS Co., Ltd. Mécanisme d'extinction d'ARC pour disjoncteur à boîtier moulé
EP2915173B1 (fr) * 2012-10-31 2017-03-22 Eaton Electrical IP GmbH & Co. KG Dispositif de refroidissement de gaz produits dans des appareillages d'installation

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006054030B4 (de) * 2006-11-16 2010-06-17 Abb Ag Elektrisches Schaltgerät
DE102007005996B4 (de) 2007-02-07 2009-01-02 Abb Ag Lichtbogenlöschblechanordnung
DE102008021025B4 (de) 2007-04-28 2024-07-18 Abb Ag Lichtbogenlöschblechanordnung und ein Installationsschaltgerät mit solch einer Lichtbogenlöschblechanordnung
DE102008021138A1 (de) 2007-04-28 2008-10-30 Abb Ag Lichtbogenlöschblechanordnung
DE102008017868B3 (de) 2008-04-09 2009-12-24 Abb Ag Lichtbogenlöschblechanordnung für einen elektrischen Schalter
CN102315031A (zh) * 2010-07-05 2012-01-11 Abb股份公司 灭弧片布置
DE102010027392B3 (de) * 2010-07-05 2012-02-09 Abb Ag Lichtbogenlöschblechanordnung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1107976A (en) 1966-03-18 1968-03-27 Ottermill Switchgear Ltd Improvements relating to arc chutes
DE3630447A1 (de) 1986-09-06 1988-03-10 Bbc Brown Boveri & Cie Lichtbogenloescheinrichtung
EP0617836A1 (fr) 1991-12-21 1994-10-05 Licentia Gmbh Coupe-circuit automatique comportant une boite d'extinction d'arc.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1963643A (en) * 1933-02-23 1934-06-19 Westinghouse Electric & Mfg Co Circuit interrupter
US2147419A (en) * 1935-06-19 1939-02-14 Westinghouse Electric & Mfg Co Circuit interrupter
US3126464A (en) * 1960-06-16 1964-03-24 Stettner
DE2410049C3 (de) * 1974-03-02 1981-04-23 Brown, Boveri & Cie Ag, 6800 Mannheim Einrichtung zum Löschen von hohen Kurzschlußwechsel- und Gleichströmen in Deionblechkammern
GB2084402B (en) * 1980-09-17 1984-05-02 Gec Elliott Automation Ltd Circuit breaker arc chute
US4485283A (en) * 1982-08-27 1984-11-27 General Electric Company Current limiter unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1107976A (en) 1966-03-18 1968-03-27 Ottermill Switchgear Ltd Improvements relating to arc chutes
DE3630447A1 (de) 1986-09-06 1988-03-10 Bbc Brown Boveri & Cie Lichtbogenloescheinrichtung
EP0617836A1 (fr) 1991-12-21 1994-10-05 Licentia Gmbh Coupe-circuit automatique comportant une boite d'extinction d'arc.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102129943A (zh) * 2010-01-18 2011-07-20 三菱电机株式会社 电路断路器
CN102129943B (zh) * 2010-01-18 2014-06-18 三菱电机株式会社 电路断路器
EP2405453A1 (fr) * 2010-07-06 2012-01-11 LSIS Co., Ltd. Mécanisme d'extinction d'ARC pour disjoncteur à boîtier moulé
US8809720B2 (en) 2010-07-06 2014-08-19 Lsis Co., Ltd. Arc extinguishing mechanism for mold cased circuit breaker
EP2915173B1 (fr) * 2012-10-31 2017-03-22 Eaton Electrical IP GmbH & Co. KG Dispositif de refroidissement de gaz produits dans des appareillages d'installation
US9899158B2 (en) 2012-10-31 2018-02-20 Eaton University Ip Gmbh & Co. Kg Cooling device for gases occurring in installation equipment

Also Published As

Publication number Publication date
EP1463075B1 (fr) 2012-07-25
EP1463075A3 (fr) 2006-04-19
DE10312820A1 (de) 2004-09-30
DE10312820B4 (de) 2012-04-19

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