EP0007429A1 - Disjoncteur électrique à basse tension - Google Patents

Disjoncteur électrique à basse tension Download PDF

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Publication number
EP0007429A1
EP0007429A1 EP79101992A EP79101992A EP0007429A1 EP 0007429 A1 EP0007429 A1 EP 0007429A1 EP 79101992 A EP79101992 A EP 79101992A EP 79101992 A EP79101992 A EP 79101992A EP 0007429 A1 EP0007429 A1 EP 0007429A1
Authority
EP
European Patent Office
Prior art keywords
contact
switch according
switch
bridges
plates
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.)
Ceased
Application number
EP79101992A
Other languages
German (de)
English (en)
Inventor
Rolf Ing.-Grad. Goehle
Volker Schmitt
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.)
BBC Brown Boveri AG Germany
Original Assignee
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.)
Filing date
Publication date
Application filed by BBC Brown Boveri AG Germany filed Critical BBC Brown Boveri AG Germany
Publication of EP0007429A1 publication Critical patent/EP0007429A1/fr
Ceased legal-status Critical Current

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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
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/365—Bridging contacts

Definitions

  • the invention relates to an electrical load switch for low-voltage systems, in particular main switches in which the contact bridges can be pressed onto the fixed contact pieces by spring force.
  • the invention has for its object to provide a switch of the type mentioned with simple means, which requires both small dimensions, as well as low switch-on forces, in which lifting of the contacts and thus their erosion or welding are virtually excluded.
  • this object is achieved in that the contact bridges are each formed by two contact plates arranged parallel to one another and at a distance from one another, which are pressed against one another by the spring force and pressed against the fixed contacts from both sides in the switched-on state, the ON and OFF switching movement the contact bridges are perpendicular to the contact pressure direction.
  • This configuration of the switching bridges has the result that currents flowing in parallel to one another and rectified currents flow through the contact plates between the poles.
  • the force fields thus formed in both contact plates cause an electrodynamic attractive force between the two contact plates, which is perpendicular to the latter and thus the has the same direction as that of the contact pressure generated.
  • the contact pressure to be applied is therefore supported by these attractive forces between the contact plates and can accordingly be lower.
  • the ON and OFF switching forces to be applied can also be correspondingly lower.
  • the switching forces to be applied which are much lower than with conventional switches, now only have to overcome the other frictional forces that occur between the contacts to be brought together.
  • a slide 38 is arranged to move back and forth in a guide groove 39.
  • the slide 38 there are slots in corresponding receptacles e.g. three contact bridges 10, 12, 14 arranged, which are assigned to three fixed polar arms 21-26.
  • the contact bridges each consist of two contact plates 16, 18 which are arranged parallel to one another and at a distance from one another and which are each pressed against one another by two helical springs 36, 37 and against an intermediate spacing web 44.
  • the contact plates 16, 18 are pressed by these springs 36, 37 with their contact rivets 32 or contact cams 34 from both sides.
  • the fixed contact pieces 21 - 26 designed as knife contacts and thus bring the required contact pressure running perpendicular to the contact plates on.
  • the contact plates 16, 18 can be connected to one another by means of a U-shaped web 30 made of resilient material and thus held under pretension or pressed against the knife contacts 21 - 26 (FIG. 3).
  • the contact plates 16, 18 can also be formed or provided with contact cams 34, which are designed with a larger or smaller bevel and accordingly with a smaller or larger contact surface (FIG. 5).

Landscapes

  • Contacts (AREA)
  • Breakers (AREA)
  • Push-Button Switches (AREA)
EP79101992A 1978-07-31 1979-06-18 Disjoncteur électrique à basse tension Ceased EP0007429A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2833497 1978-07-31
DE19782833497 DE2833497C2 (de) 1978-07-31 1978-07-31 Elektrischer Lastschalter für Niederspannungsanlagen

Publications (1)

Publication Number Publication Date
EP0007429A1 true EP0007429A1 (fr) 1980-02-06

Family

ID=6045825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79101992A Ceased EP0007429A1 (fr) 1978-07-31 1979-06-18 Disjoncteur électrique à basse tension

Country Status (4)

Country Link
EP (1) EP0007429A1 (fr)
DE (1) DE2833497C2 (fr)
ES (1) ES482636A1 (fr)
PT (1) PT69853A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0046576A2 (fr) * 1980-08-22 1982-03-03 Siemens Aktiengesellschaft Dispositif de contact
US4412116A (en) * 1982-05-26 1983-10-25 Westinghouse Electric Corp. Circuit breaker with unitary actuating shaft
FR2530373A1 (fr) * 1982-07-13 1984-01-20 Merlin Gerin Interrupteur electrique multipolaire a basse tension et a haute tenue electrodynamique
EP0386277A1 (fr) * 1989-03-04 1990-09-12 Weidmüller Interface GmbH & Co. Borne séparatrice double
EP0613159A2 (fr) * 1993-02-25 1994-08-31 PETERREINS SCHALTTECHNIK GmbH Dispositif de commutation pour le montage et la commutation d'interrupteurs en charge

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3223669C2 (de) * 1982-06-24 1985-01-10 Siemens AG, 1000 Berlin und 8000 München Kontaktanordnung für elektrische Schalter
DE3314451C2 (de) * 1983-04-21 1985-08-22 Siemens AG, 1000 Berlin und 8000 München Elektrischer Schalter
DE3325688C2 (de) * 1983-07-15 1985-06-13 ddm hopt + schuler GmbH & Co KG, 7210 Rottweil Schalter
DE4102143A1 (de) * 1991-01-25 1992-08-06 Mueller Jean Ohg Elektrotech Schaltbarer sicherungslastschalter fuer niederspannungssysteme
DE4312594C2 (de) * 1993-04-17 1997-12-18 Peterreins Schalttechnik Gmbh Schaltanordnung zum Schalten der Phasen und des Neutralleiters von Lastschaltern

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1275395A (fr) * 1959-12-31 1961-11-03 Dispositif de contact pour commutateurs à poussoir et rotatifs
DE1197160B (de) * 1962-10-30 1965-07-22 Bbc Brown Boveri & Cie Elektrischer Schalter
FR1472630A (fr) * 1965-04-14 1967-03-10 Hazemeijer Co Dispositif de commutation perfectionné
US3632935A (en) * 1970-01-22 1972-01-04 Gen Electric Double blade rotor switch with blades insertable into rotatable shaft

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1216413B (de) * 1964-12-23 1966-05-12 Preh Elektro Feinmechanik Kontaktanordnung mit einer federnden Kontaktbruecke
DE1765920C3 (de) * 1968-08-07 1974-06-12 Kloeckner-Moeller Elektrizitaetsgmbh, 5300 Bonn Kontaktanordnung für elektrische Schaltgeräte

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1275395A (fr) * 1959-12-31 1961-11-03 Dispositif de contact pour commutateurs à poussoir et rotatifs
DE1197160B (de) * 1962-10-30 1965-07-22 Bbc Brown Boveri & Cie Elektrischer Schalter
FR1472630A (fr) * 1965-04-14 1967-03-10 Hazemeijer Co Dispositif de commutation perfectionné
US3632935A (en) * 1970-01-22 1972-01-04 Gen Electric Double blade rotor switch with blades insertable into rotatable shaft

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0046576A2 (fr) * 1980-08-22 1982-03-03 Siemens Aktiengesellschaft Dispositif de contact
EP0046576A3 (en) * 1980-08-22 1982-08-25 Siemens Aktiengesellschaft Berlin Und Munchen Contact arrangement
US4412116A (en) * 1982-05-26 1983-10-25 Westinghouse Electric Corp. Circuit breaker with unitary actuating shaft
FR2530373A1 (fr) * 1982-07-13 1984-01-20 Merlin Gerin Interrupteur electrique multipolaire a basse tension et a haute tenue electrodynamique
EP0100699A1 (fr) * 1982-07-13 1984-02-15 Merlin Gerin Interrupteur électrique multipolaire à basse tension et à haute tenue électrodynamique
EP0386277A1 (fr) * 1989-03-04 1990-09-12 Weidmüller Interface GmbH & Co. Borne séparatrice double
EP0613159A2 (fr) * 1993-02-25 1994-08-31 PETERREINS SCHALTTECHNIK GmbH Dispositif de commutation pour le montage et la commutation d'interrupteurs en charge
EP0613159A3 (fr) * 1993-02-25 1995-02-01 Peterreins Schalttechnik Gmbh Dispositif de commutation pour le montage et la commutation de commutateurs en charge.

Also Published As

Publication number Publication date
PT69853A (fr) 1979-08-01
DE2833497A1 (de) 1980-02-21
ES482636A1 (es) 1980-04-16
DE2833497C2 (de) 1983-03-10

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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

AK Designated contracting states

Designated state(s): BE CH FR GB IT

17P Request for examination filed
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 19810927

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SCHMITT, VOLKER

Inventor name: GOEHLE, ROLF, ING.-GRAD.