EP0757369A2 - Vierpoliges Schütz - Google Patents

Vierpoliges Schütz Download PDF

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Publication number
EP0757369A2
EP0757369A2 EP96401704A EP96401704A EP0757369A2 EP 0757369 A2 EP0757369 A2 EP 0757369A2 EP 96401704 A EP96401704 A EP 96401704A EP 96401704 A EP96401704 A EP 96401704A EP 0757369 A2 EP0757369 A2 EP 0757369A2
Authority
EP
European Patent Office
Prior art keywords
bases
housing
pole
contactor
contactor according
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
EP96401704A
Other languages
English (en)
French (fr)
Other versions
EP0757369B1 (de
EP0757369A3 (de
Inventor
Patrick Comtois
Daniel Sinthomez
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.)
Schneider Electric SE
Original Assignee
Schneider Electric SE
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 Schneider Electric SE filed Critical Schneider Electric SE
Priority to SI9630072T priority Critical patent/SI0757369T1/xx
Publication of EP0757369A2 publication Critical patent/EP0757369A2/de
Publication of EP0757369A3 publication Critical patent/EP0757369A3/de
Application granted granted Critical
Publication of EP0757369B1 publication Critical patent/EP0757369B1/de
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
    • H01H50/00—Details of electromagnetic relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H01H50/443—Connections to coils
    • 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
    • H01H9/40—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc

Definitions

  • the present invention relates to a four-pole contactor comprising in a housing and for each pole a movable contact bridge cooperating with two fixed contacts and housed in a support which is common to several bridges and is movable by an electromagnet, as well as pairs of terminal terminals. power each connected by a conductive part to a fixed contact.
  • the invention is the result of this observation and aims to reduce the cost of a four-pole contactor by using components or sub-assemblies of two-pole contactors of the same caliber or of two-pole or four-pole contactors of lower caliber.
  • the housing consists of two identical bases, the bases being paired by fixing means and each housing an identical motor sub-assembly; the two movable supports of the contact bridges are mechanically joined together by a coupling piece passing through openings made in the side walls of the paired bases.
  • the sockets used to constitute the four-pole contactor can therefore be four-pole contactor sockets of lower caliber or two-pole contactor sockets of the same caliber with a slight adaptation of these to the four-pole construction.
  • the motor sub-assemblies can also be bipolar sub-assemblies of the same caliber or four-pole sub-assemblies of lower caliber.
  • the motor sub-assemblies are designed as four-pole sub-assemblies of lower caliber and the corresponding fixed conductive parts of neighboring poles are joined together in pairs in the form of a fork to cooperate with a single power terminal. .
  • the four-pole contactor illustrated in the figures comprises a base 10 constituted by juxtaposition and assembly of two identical housings 10a, 10b and a common cover 11.
  • the housings thus paired usually present arrangements 13 for fixing to a rear wall 12 the base on a standardized rail and side walls 14, 15 provided with mutual nesting elements 16; one can also assemble the two boxes together by snap-fastening elements or by any usual fixing means.
  • the cover 11 is attached to the front of the two matched boxes by contributing to their assembly, by being assembled to them by penetration of latching lugs 17 into suitable housings 18.
  • the cover has a prominent central portion 19 forward which accommodates the fixed armatures of the electromagnets and the recessed upper and lower parts 20, 21 provided with openings for the access of a screwdriver to the high power terminals B1, B3, B5, B7 and low B2, B4, B6 , B8, belonging to the two housings 10a, 10b as well as to two upper and lower lateral terminals A1, A2 for supplying the coils, these two terminals belonging to the housing 10a.
  • the common cover 11 obscures the housings of the coil terminals which are provided in the housing 10b and which are located substantially halfway along the base 10.
  • the housings 10a, 10b include housings 22 suitable for receiving the power terminals B1-B8, as well as lateral housings 23 provided for receiving the coil terminals A1, A2.
  • Two identical motor sub-assemblies 24a, 24b comprising an electromagnet Ea, Eb and movable contacts are housed in the housings 10a, 10b; they each comprise a fixed armature 25a, 25b situated towards the front of the contactor, a movable frame 26a, 26b and a coil Ca, Cb wound on an insulating carcass 27a, 27b (see Figure 5).
  • the movable frame 26a, 26b moves in translation and it is integral with a four-pole contact support 28a, 28b, that is to say carrying four double-break bridges 29, each provided with two movable contacts, and cooperating with fixed conductive contact parts.
  • Each mobile assembly is biased by a return spring not indicated.
  • the fixed conductive parts 30 joining the screw power terminals Bi to the contact bridges 29 have (see FIG. 4) a fork shape, so as to present a contact tab towards a respective terminal Bi single 31 and towards the mobile support 28 two contact branches 32 each carrying a fixed contact 33. It is understood that the four-pole supports 28 can therefore be existing contactor supports of lower caliber, which avoids designing specific mobile supports for the contactor described here.
  • the side walls 14, 15 of the paired housings 10a, 10b comprise on each side a blind straight rectilinear 34, 35 oriented perpendicularly to the front face of the contactor, so as to be able to accommodate a part. coupling 36 of the movable supports 28 of the two housings.
  • the coupling part 36 is produced in the form of a connecting rod engaged by its ends in corresponding lateral openings of the supports 28.
  • Notches 38 are also provided in the upper and lower parts of the lateral walls 14, 15, near the coil terminals A1, A2, to facilitate the passage of the interconnection wires of the two coils C.
  • the coils could be connected in parallel on A1, A2; they are currently connected in series.
  • Fingers 39 or elements of similar shape ending in notched parts 40 situated substantially at the same height as the notches 38 are also provided in the housings 10a, 10b to guide the interconnection wires of the coils.
  • each motor sub-assembly comprises a pivoting lever 50 articulated by pins 51 in bearings 52 provided in a rear flange 53 of the coil housing 27.
  • the lever 50 is L-shaped and includes a driven arm and a coupling arm located on either side of the pins 51.
  • the driven arm 54 ends in a fork or an opening 55 engaging a needle, a nipple or another element 56 secured to the movable frame 26;
  • the coupling arm 57 has in its middle a lateral housing 58 for receiving the end of the coupling piece 36 and at its free end a display index 59 capable of appearing in a window 60 of the housing to indicate the on position of the contactor.
  • the coupling carried out by means of the levers 50 improves the balancing of the movable assembly in the event of the supply of one of the coils breaking.
  • the motor sub-assembly is shown in Figure 6 in the off position and in Figure 7 in the on position.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Motor Or Generator Frames (AREA)
  • Earth Drilling (AREA)
  • Electromagnets (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Linear Motors (AREA)
  • Superconductive Dynamoelectric Machines (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Catching Or Destruction (AREA)
EP96401704A 1995-08-04 1996-07-31 Vierpoliges Schütz Expired - Lifetime EP0757369B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9630072T SI0757369T1 (en) 1995-08-04 1996-07-31 Four pole contactor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9509597A FR2737602B1 (fr) 1995-08-04 1995-08-04 Contacteur tetrapolaire
FR9509597 1995-08-04

Publications (3)

Publication Number Publication Date
EP0757369A2 true EP0757369A2 (de) 1997-02-05
EP0757369A3 EP0757369A3 (de) 1997-03-12
EP0757369B1 EP0757369B1 (de) 1999-03-24

Family

ID=9481773

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96401704A Expired - Lifetime EP0757369B1 (de) 1995-08-04 1996-07-31 Vierpoliges Schütz

Country Status (6)

Country Link
EP (1) EP0757369B1 (de)
AT (1) ATE178159T1 (de)
DE (1) DE69601843T2 (de)
ES (1) ES2129253T3 (de)
FR (1) FR2737602B1 (de)
SI (1) SI0757369T1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094045A2 (de) * 1982-05-10 1983-11-16 Siemens Aktiengesellschaft Kontaktanordnung für Relais
EP0322321A1 (de) * 1987-12-10 1989-06-28 Merlin Gerin Hochkalibriger mehrpoliger Ausschalter mit abgeformtem Gehäuse
EP0343390A2 (de) * 1988-05-24 1989-11-29 Licentia Patent-Verwaltungs-GmbH Motorstarter mit Kurzschlussschutz
EP0500406A1 (de) * 1991-02-21 1992-08-26 Schneider Electric Sa Elektromagnetisch betätigtes Schaltgerät mit mechanischer Sperrvorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094045A2 (de) * 1982-05-10 1983-11-16 Siemens Aktiengesellschaft Kontaktanordnung für Relais
EP0322321A1 (de) * 1987-12-10 1989-06-28 Merlin Gerin Hochkalibriger mehrpoliger Ausschalter mit abgeformtem Gehäuse
EP0343390A2 (de) * 1988-05-24 1989-11-29 Licentia Patent-Verwaltungs-GmbH Motorstarter mit Kurzschlussschutz
EP0500406A1 (de) * 1991-02-21 1992-08-26 Schneider Electric Sa Elektromagnetisch betätigtes Schaltgerät mit mechanischer Sperrvorrichtung

Also Published As

Publication number Publication date
DE69601843T2 (de) 1999-07-29
ATE178159T1 (de) 1999-04-15
FR2737602A1 (fr) 1997-02-07
EP0757369B1 (de) 1999-03-24
DE69601843D1 (de) 1999-04-29
ES2129253T3 (es) 1999-06-01
SI0757369T1 (en) 1999-10-31
EP0757369A3 (de) 1997-03-12
FR2737602B1 (fr) 1997-08-29

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