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EP1022762A2 - Disjoncteur électrique - Google Patents

Disjoncteur électrique Download PDF

Info

Publication number
EP1022762A2
EP1022762A2 EP00100467A EP00100467A EP1022762A2 EP 1022762 A2 EP1022762 A2 EP 1022762A2 EP 00100467 A EP00100467 A EP 00100467A EP 00100467 A EP00100467 A EP 00100467A EP 1022762 A2 EP1022762 A2 EP 1022762A2
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
movable
contact point
slide
contact
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
EP00100467A
Other languages
German (de)
English (en)
Other versions
EP1022762A3 (fr
EP1022762B1 (fr
Inventor
Klaus-Peter Dipl.-Ing. Eppe
Volker Schmitt
Peter Dipl.-Ing. Schick
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 EP1022762A2 publication Critical patent/EP1022762A2/fr
Publication of EP1022762A3 publication Critical patent/EP1022762A3/fr
Application granted granted Critical
Publication of EP1022762B1 publication Critical patent/EP1022762B1/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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • 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

Definitions

  • the invention relates to an electrical circuit breaker with a movable and a fixed contact piece having a main contact point, the one auxiliary contact point or secondary contact point controlled by the movable contact piece has, according to the preamble of claim 1.
  • Such an electrical circuit breaker has a housing which is divided by an intermediate wall; in the one facing the front There is the main contact point in the room and the one facing the floor Space the secondary contact point, both mechanically using a slide are interconnected. This arrangement is designed so that when switching off First open the main contact point and then the secondary contact point and in a closing operation, first the secondary contact point and then the Close the main contact point.
  • An installation switching device is known from DE 197 25 000 A1, in which a secondary contact point in the space between the main contact point and the associated one Narrow side is arranged; the movable auxiliary contact piece is by means of operated a slide that is approximately perpendicular to the contact lever of the main contact point runs and lies directly against the movable contact piece of the main contact point.
  • connection terminal is in the area of the secondary contact point not possible because the space for such a connector from the Slider and the secondary contact point is filled.
  • a miniature circuit breaker that does not have a secondary contact point for example the circuit breaker S2 from ABB Stotz-Kontakt GmbH, Heidelberg, which has a contact point that is operated by a key switch, which is on the side or above the electromagnetic release, i.e. on the Front wall facing side, is arranged. Between the bottom or fastening side and the electromagnetic trigger is an arc quenching chamber.
  • the object of the invention is to provide a circuit breaker of the type mentioned to create, in which the essential parts of a commercially available circuit breaker can be used, with an additional space for a connection terminal should be present.
  • the fixed secondary contact piece is according to the invention with one from the ground of the circuit breaker protruding flag coupled so that the electrical Connection to busbars is designed as a plug connection.
  • the fixed auxiliary contact piece can also be used with a screw or plug-in terminal be connected.
  • a circuit breaker is created at which is the secondary contact point in the area of the mounting side of the circuit breaker is arranged, in which the slide at a distance from the associated Narrow side is slidably guided, the corresponding width of a commercially available Terminal corresponds, so that between the narrow side and the slide and a space is provided and formed for the secondary contact point to receive a commercially available screw or plug connection terminal can be used.
  • FIG. 1 shows a view of a circuit breaker 10, only a few essential parts are shown.
  • the individual components of the circuit breaker 10 are inserted into a bowl-shaped housing part 11, which with a similarly designed housing part (not shown) to the housing of the circuit breaker 10 is composed.
  • a switch toggle 13 is provided, which is about an axis 14 is pivotable.
  • This axis 14 is stationary on boards 15 one in its entirety with 16 designated switch lock superimposed, which switch lock itself is known and belongs to the switch S2 mentioned above.
  • a movable contact lever 17 rotatably mounted, at the free end of the movable Contact piece 18 is integrally formed.
  • the space section 19 takes an electromagnetic Trigger, the space section 20 a thermal trigger and the space section 21 an arc extinguishing arrangement.
  • the circuit breaker also has 10 receiving rooms 22 and 23 for terminals and on the bottom side a recess 24 with a fixed nose 25 and a movable nose (not shown), which are snapped behind a longitudinal edge of a top-hat rail can.
  • the slide 28 has a central guide slot 29 into which a projection 30 on the housing 11 or protrudes on the inner surface of the housing part 11.
  • the attachment level facing end of the slide has an eyelet 31 through which a movable Contact lever 32 of a secondary contact point passes through, which on the contact lever 32 attached movable auxiliary contact piece 33 and a fixed auxiliary contact piece 34 has.
  • the opposite of the movable auxiliary contact piece 33 The end of the contact lever 32 engages in an opening 35 and is articulated there stored. So that the contact lever 32 does not slide out of the opening 35 he has an offset 36 in the central area, into which a lug 37 engages on the slide 28, which nose 37 protrudes into the eyelet 31 and away from the mounting plane protrudes.
  • a compression spring 39 which acts as a contact compression spring serves for the secondary contact point 33, 34.
  • the movable contact lever 32 the secondary contact point 33, 34 is with a running on the bottom of the switching device 10 Line 32a electrically connected via a stranded wire 32b; this line 32a connects the contact lever 32 to a terminal, not shown.
  • the fixed contact piece 34 of the secondary contact point is with one from the bottom surface the circuit breaker 10 connected connecting tab 40 connected or provided in the correspondingly designed contact piece receptacles in a bracket housing intervenes, as described for example in EP 0 821 454.
  • FIG. 1 shows the circuit breaker 10 with the main contact point and the secondary contact point in the open position.
  • FIG. 3 shows the arrangement in the closed position. That on the movable contact lever 17 attached movable contact piece 18 lies against a not shown in FIG. 1 fixed main contact piece 41 and you can see that the driver 26, the in 1 at the left end of the elongated hole 27 in the drawing, in the Switch-on position at the right end of the elongated hole 27.
  • the movable auxiliary contact piece 33 is pressed against the fixed secondary contact piece 34 and between the nose 37 and the contact lever 32 a distance y has arisen; around this Amount, the contact pressure spring 39 is compressed and due to this shortening the length of the contact pressure of the secondary contact point 33, 34 is generated.
  • Fig. 2 shows a middle position, namely the position in which the movable Sub-contact piece 33 just touches the fixed sub-contact piece 34.
  • a distance x which means that when switching on the Close auxiliary contact pieces 18, 41. Only after the distance y of the slide has been overcome 28 and generating a contact pressure at the secondary contact point 33, 34 closes the main contact point 18, 41.
  • the switch If the switch is to be opened in the reverse way, then it opens first the main contact point 18, 41 until the distance x between the movable Main contact piece 18 and the fixed main contact piece 41 is reached; only then does the secondary contact point 33, 34 open.
  • the slide runs vertically to the mounting level of the circuit breaker, and the contact lever 32 of Auxiliary contact point approximately parallel or at an acute angle to it.
  • the fixed Sub-contact piece 34 lies between the sub-contact lever and the mounting level, so that when you turn on the movable auxiliary contact Attachment level moved.
  • the axis of rotation of the main contact lever is Located on the front of the switching device and the main contact lever runs when switched on Condition approximately parallel to the slide, and by pivoting the main contact lever the slide is driven.

Landscapes

  • Breakers (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
EP00100467A 1999-01-25 2000-01-11 Disjoncteur électrique Expired - Lifetime EP1022762B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19902715A DE19902715A1 (de) 1999-01-25 1999-01-25 Elektrischer Leitungsschutzschalter
DE19902715 1999-01-25

Publications (3)

Publication Number Publication Date
EP1022762A2 true EP1022762A2 (fr) 2000-07-26
EP1022762A3 EP1022762A3 (fr) 2001-11-14
EP1022762B1 EP1022762B1 (fr) 2002-10-23

Family

ID=7895230

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00100467A Expired - Lifetime EP1022762B1 (fr) 1999-01-25 2000-01-11 Disjoncteur électrique

Country Status (4)

Country Link
EP (1) EP1022762B1 (fr)
AT (1) ATE226756T1 (fr)
DE (2) DE19902715A1 (fr)
SG (1) SG77723A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19950996A1 (de) * 1999-10-22 2001-04-26 Abb Patent Gmbh Leitungsschutzschalter
EP1213737A2 (fr) * 2000-12-06 2002-06-12 ABB PATENT GmbH Disjoncteur avec coupure de phase et neutre
WO2005036581A1 (fr) * 2003-10-13 2005-04-21 Moeller Gebäudeautomation KG Dispositif d'installation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006036191A1 (de) * 2006-08-01 2008-02-07 Siemens Ag Schaltvorrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR893123A (fr) * 1942-03-17 1944-05-31 Hermes Patentverwertungs Gmbh Disjoncteur avec commande à main et déclenchement à surintensité
US3284731A (en) * 1963-10-10 1966-11-08 Heinemann Electric Co Auxiliary switch responsive to the movement of the circuit breaker linkage
GB1076837A (en) * 1963-10-26 1967-07-26 Ellenberger & Poensgen Bimetal relay
DE19725000A1 (de) * 1997-06-13 1998-12-17 Abb Patent Gmbh Installationsschaltgerät

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490002A1 (fr) * 1980-09-09 1982-03-12 Merlin Gerin Disjoncteur miniature a contacts d'arc
US5172088A (en) * 1992-02-06 1992-12-15 General Electric Company Molded case circuit breaker combined accessory actuator-reset lever

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR893123A (fr) * 1942-03-17 1944-05-31 Hermes Patentverwertungs Gmbh Disjoncteur avec commande à main et déclenchement à surintensité
US3284731A (en) * 1963-10-10 1966-11-08 Heinemann Electric Co Auxiliary switch responsive to the movement of the circuit breaker linkage
GB1076837A (en) * 1963-10-26 1967-07-26 Ellenberger & Poensgen Bimetal relay
DE19725000A1 (de) * 1997-06-13 1998-12-17 Abb Patent Gmbh Installationsschaltgerät

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19950996A1 (de) * 1999-10-22 2001-04-26 Abb Patent Gmbh Leitungsschutzschalter
EP1213737A2 (fr) * 2000-12-06 2002-06-12 ABB PATENT GmbH Disjoncteur avec coupure de phase et neutre
DE10060521A1 (de) * 2000-12-06 2002-06-20 Abb Patent Gmbh Leitungsschutzschalter mit einer Pol- und Nullleitertrennstelle
EP1213737A3 (fr) * 2000-12-06 2004-04-14 ABB PATENT GmbH Disjoncteur avec coupure de phase et neutre
WO2005036581A1 (fr) * 2003-10-13 2005-04-21 Moeller Gebäudeautomation KG Dispositif d'installation

Also Published As

Publication number Publication date
DE19902715A1 (de) 2000-07-27
ATE226756T1 (de) 2002-11-15
EP1022762A3 (fr) 2001-11-14
DE50000665D1 (de) 2002-11-28
SG77723A1 (en) 2001-01-16
EP1022762B1 (fr) 2002-10-23

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