EP1213737A2 - Disjoncteur avec coupure de phase et neutre - Google Patents

Disjoncteur avec coupure de phase et neutre Download PDF

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Publication number
EP1213737A2
EP1213737A2 EP01127637A EP01127637A EP1213737A2 EP 1213737 A2 EP1213737 A2 EP 1213737A2 EP 01127637 A EP01127637 A EP 01127637A EP 01127637 A EP01127637 A EP 01127637A EP 1213737 A2 EP1213737 A2 EP 1213737A2
Authority
EP
European Patent Office
Prior art keywords
arc
quenching
guide rail
circuit breaker
quenching plate
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
EP01127637A
Other languages
German (de)
English (en)
Other versions
EP1213737B1 (fr
EP1213737A3 (fr
Inventor
Joachim Dipl.-Ing. Becker
André Dickgiesser
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 Patent GmbH
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 EP1213737A2 publication Critical patent/EP1213737A2/fr
Publication of EP1213737A3 publication Critical patent/EP1213737A3/fr
Application granted granted Critical
Publication of EP1213737B1 publication Critical patent/EP1213737B1/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
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/002—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor
    • 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
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • 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
    • H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns

Definitions

  • the invention relates to a circuit breaker with a pole and neutral separation point according to the preamble of claim 1.
  • Such an arrangement in which the pole separation point as the main contact point and the neutral conductor separation point is known as a secondary contact point, is previously known from DE 199 50 996.4.
  • This circuit breaker has an arc guard, which assigned to the movable contact piece of the main contact point or the pole separation point is, with the associated arc base on the movable contact piece the guardrail commutates and from the guardrail into the arc quenching plate package is introduced.
  • Approximately parallel to the arc guide rail assigned to the main contact point a further guide rail is provided, with both rails using a Partition are separated from each other.
  • the auxiliary contact guardrail connects the fixed Contact piece of the secondary contact point with a connecting terminal;
  • the arc guide rail is in this embodiment with an approximately sickle-shaped ribbon conductor a connection lug protruding from the mounting surface of the circuit breaker electrically connected.
  • the arc guide rail runs symmetrically to the central axis the arcing chamber.
  • the object of the invention is to provide a circuit breaker of the type mentioned to create, at least in the area of the arc quenching package the lifting of the magnetic field is prevented.
  • the arc guide rail and that of the secondary contact point assigned rail different at least in the area of the arc quenching package Distances based on the longitudinal side edges of the fire-extinguishing plates or on the Inner walls of the broad side walls.
  • the two rails do not run exactly next to one another, but offset from each other, which significantly influences the magnetic Field in this area is prevented.
  • the two rails are at least in the area of the arc quenching package far apart from each other.
  • Fig. 1 shows an inside view of a circuit breaker when removed upper housing part, not shown.
  • a housing or housing part 10 there is a key switch 11, a magnetic release system 12 and a bimetallic 13.
  • the switch lock 11 is a shift lever 14 and on the other hand, a movable contact lever 15 connected to which a movable Contact piece 16 is formed, which cooperates with a fixed contact piece 17.
  • a switch-off position shown in Fig.
  • arc quenching plate package 21 contains, the arc guide 19 a portion 19 a, which is at an angle runs from approximately 40 degrees to the front edge of the arc quenching plate package, and a further section 19 b, which is parallel to the quenching plates of the arc quenching plate package 21 runs.
  • a crescent-shaped Ribbon conductor 22 On the arc guide rail in the area of the movable contact piece 16 is a crescent-shaped Ribbon conductor 22 connected, which has a U-shaped section 23, one leg being connected to the arc guide rail 19 and wherein on the other leg 24 a perpendicular to the mounting plane connection point 25 is connected for a connector flag 26; this connector flag 26 extends approximately perpendicular to the mounting surface 27 of the circuit breaker.
  • the arc guide rail 19 abuts a partition 27 a, this partition in the area of the arc quenching chamber 20 and in the area of the arc quenching plate package 21 runs parallel to the arc guide rail 19.
  • This partition 27 a runs also perpendicular to the broadside (without reference numbers) of the circuit breaker.
  • a conductor rail 28 which bears at point 29 and on which a stranded conductor 30 is connected, which is electrically conductively connected to a movable contact lever 31 is on which a movable contact piece 32 is formed, which with a fixed Contact point 33 cooperates, to which a connecting tab 34 connects, which is parallel to the connecting lug 26 and also approximately perpendicular from the mounting surface of the circuit breaker protrudes.
  • the arc guide rail 19 is now considered, which is shown in more detail in FIG. 2 is; the view is that according to the direction of arrow II.
  • the arc guide 19 has, as specified above, the section 19 a, to which the section 19 b connects, the invention is designed. At the free end of section 19 a then closes Ribbon conductor element 22.
  • the area 19 a lies in the central plane of the arcing chamber through the center line M-M is shown and runs parallel to the drawing area.
  • Section 19 b runs offset to the center line M - M, which is achieved in that section 19 a merges into section 19 b via a gradation 19 c or both are interconnected. This gradation lies in the level of section 19 b.
  • On the free end of section 19 b closes a section running perpendicular to it 19 d, in the view shown in FIG. 1 perpendicular to the plane of the drawing in the drawing plane runs in and thus parallel to the trailing edge of each arc perforated plate is aligned.
  • the edge 19 e facing away from the central axis M-M Section 19 b is in the assembled state on the inner wall of the broad side of the Upper housing part, not shown, on or ends in the vicinity thereof, for closing of the circuit breaker shown in Fig. 1 is used.
  • the free end of 19 f Leg 19 d lies essentially on the inner wall, which in FIG Housing part 10 belongs and runs parallel to the plane of the drawing. This said upper housing part is placed on the housing part 10 and thus surrounds the internal components the circuit breaker.
  • step 19 c executed for the arc-quenching plate package beveled according to line 19 g, so that the beveled line 19 g to the leading edge 35 each arc quenching plate is parallel.
  • One recognizes in particular 3 shows the broad side 36 of the housing part 10 on which the arc quenching plate package 21 rests.
  • the currents I Na and I POL influence each other because their current flows are opposite. This creates a magnetic field B, which extends into the plane of the drawing. These two magnetic fields influence each other remarkably. Due to the distance of the section 19 b from the rail 28, the mutual influence is significantly reduced. Due to the shape of sections 19 c, 19 b and 19 d, section 19 d acts as a bladder and stabilizes the arc in the quenching chamber.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
EP20010127637 2000-12-06 2001-11-20 Disjoncteur avec coupure de phase et neutre Expired - Lifetime EP1213737B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2000160521 DE10060521A1 (de) 2000-12-06 2000-12-06 Leitungsschutzschalter mit einer Pol- und Nullleitertrennstelle
DE10060521 2000-12-06

Publications (3)

Publication Number Publication Date
EP1213737A2 true EP1213737A2 (fr) 2002-06-12
EP1213737A3 EP1213737A3 (fr) 2004-04-14
EP1213737B1 EP1213737B1 (fr) 2007-05-09

Family

ID=7665938

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010127637 Expired - Lifetime EP1213737B1 (fr) 2000-12-06 2001-11-20 Disjoncteur avec coupure de phase et neutre

Country Status (2)

Country Link
EP (1) EP1213737B1 (fr)
DE (2) DE10060521A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0884747A2 (fr) * 1997-06-13 1998-12-16 ABBPATENT GmbH Appareil de commutation pour une installation électrique
EP1022762A2 (fr) * 1999-01-25 2000-07-26 ABBPATENT GmbH Disjoncteur électrique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600210B1 (fr) * 1986-06-17 1993-04-16 Telemecanique Electrique Disjoncteur a deux circuits de commutation dont l'un est protege
DE19950996A1 (de) * 1999-10-22 2001-04-26 Abb Patent Gmbh Leitungsschutzschalter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0884747A2 (fr) * 1997-06-13 1998-12-16 ABBPATENT GmbH Appareil de commutation pour une installation électrique
EP1022762A2 (fr) * 1999-01-25 2000-07-26 ABBPATENT GmbH Disjoncteur électrique

Also Published As

Publication number Publication date
DE50112479D1 (de) 2007-06-21
DE10060521A1 (de) 2002-06-20
EP1213737B1 (fr) 2007-05-09
EP1213737A3 (fr) 2004-04-14

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