EP0757369B1 - Contacteur tétrapolaire - Google Patents
Contacteur tétrapolaire Download PDFInfo
- Publication number
- EP0757369B1 EP0757369B1 EP96401704A EP96401704A EP0757369B1 EP 0757369 B1 EP0757369 B1 EP 0757369B1 EP 96401704 A EP96401704 A EP 96401704A EP 96401704 A EP96401704 A EP 96401704A EP 0757369 B1 EP0757369 B1 EP 0757369B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bases
- fact
- pole
- matched
- contactor
- 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.)
- Expired - Lifetime
Links
Images
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 mobile 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 power terminals 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 using components or sub-assemblies of Two-pole contactors of the same rating or 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 a sub-assembly identical engine; the two mobile supports of the contact bridges are mechanically secured by a coupling piece passing through lights formed in the side walls of matched bases.
- the bases used to form the four-pole contactor can therefore be lower four-pole contactor sockets or bipolar contactors of the same rating with a slight adaptation of these to 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 lower four-pole sub-assemblies and the corresponding fixed conductive parts of neighboring poles are joined together two by two fork-shaped to cooperate with a single power terminal.
- levers pivotally mounted on bearings provided in the coil carcass each comprising an arm driven in engagement with the movable armature of the electromagnet and a coupling arm provided with a housing or element of similar shape to receive the end of the coupling piece.
- the four-pole contactor illustrated in the figures comprises a base 10 constituted by juxtaposition and assembly of two identical boxes 10a, 10b and a common cover 11.
- the cases thus paired usually present towards a rear wall 12 of the arrangements 13 allowing the base to be fixed on a standardized rail and side walls 14, 15 provided with mutual interlocking elements 16; we can also assemble the two boxes together by snap-in elements or by all usual fixing means.
- the cover 11 is attached to the front of the two cases paired in contributing to their assembly, by being assembled by penetration of legs latching 17 in appropriate housings 18.
- the cover presents forward a prominent central part 19 which accommodates the fixed frames of the electromagnets and 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 boxes 10a, 10b as well as to two terminals high and low side A1, A2 for coil supply, these two terminals belonging to the housing 10a.
- the common cover 11 conceals the coil terminal housings which are provided in the housing 10b and which are located substantially mid-length of 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 receive the coil terminals A1, A2.
- Two identical motor sub-assemblies 24a, 24b comprising a 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 a carcass insulator 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 bearing four double-break bridges 29, each provided with two movable contacts, and cooperating with fixed conductive contact parts.
- Each mobile assembly is biased by an unspecified return spring.
- the fixed conductive parts 30 joining the screw Bi power terminals to the contact bridges 29 a (see FIG. 4) a fork shape, so as to present towards a respective terminal Bi a single contact tab 31 and towards the movable support 28 two contact branches 32 each carrying a fixed contact 33.
- 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 matched housings 10a, 10b comprise on each side a rectilinear light blind 34, 35 oriented perpendicular to the front face of the contactor, so as to be able to house a coupling part 36 of the mobile supports 28 of the two housings.
- the coupling part 36 is produced in the form of a rod engaged by its ends in corresponding lateral openings of the supports 28.
- Des notches 38 are also provided in the upper and lower parts of the walls side 14, 15, near the coil terminals A1, A2, to facilitate the passage of the wires interconnection of the two coils C.
- the coils could be connected by parallel on A1, A2; they are currently connected in series.
- Fingers 39 or elements of similar shape ending in notched parts 40 located substantially at the same height as the notches 38 are also provided in housings 10a, 10b to guide the interconnection wires of the coils.
- each engine sub-assembly comprises a pivoting lever 50 articulated by pins 51 in bearings 52 provided in a rear flange 53 of the carcass of spool 27.
- the lever 50 is L-shaped and includes a driven arm and a coupling 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 the like element 56 secured to the movable frame 26; the coupling arm 57 present in sound middle a lateral housing 58 to receive 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 mobile assembly in the event of a supply break in one of the coils.
- the engine sub-assembly is shown in FIG. 6 in the stopped position. and in Figure 7 in the on position.
Description
- la figure 1 représente schématiquement en élévation un contacteur tétrapolaire conforme à l'invention.
- la figure 2 est une vue similaire du contacteur, le capot de celui-ci étant retiré.
- la figure 3 est une vue de côté éclatée du contacteur.
- la figure 4 montre en perspective les socles accouplés du contacteur.
- la figure 5 représente en vue de dessus un mode de réalisation du couplage au moyen des supports de contacts.
- les figures 6 et 7 représentent en élévation une variante de réalisation d'un sous-ensemble électromagnétique du contacteur, respectivement en position arrêt et en position marche, avec couplage au moyen de leviers.
Claims (6)
- Contacteur tétrapolaire comprenant dans un boítier et pour chaque pôle un pont de contact mobile (29) coopérant avec deux contacts fixes et logé dans un support (28) qui est commun à plusieurs ponts et est déplaçable par un électroaimant (E), ainsi que des couples de bornes de puissance (B1, B2 ; B3, B4 ; B5, B6 ; B7, B8) raccordées chacune par une pièce conductrice (30) à un contact fixe (32),
caractérisé par le fait que :le boítier se compose de deux socles identiques (10a, 10b), présentant chacun deux couples de bornes de puissance, les socles étant appariés par des moyens de fixation et logeant chacun un sous-ensemble moteur identique (24a, 24b),les deux sous-ensembles moteurs sont solidarisés mécaniquement par une pièce de couplage (36) traversant des lumières (34, 35) ménagées dans des parois latérales (14,15) des socles appariés. - Contacteur selon la revendication 1, caractérisé par le fait que des échancrures (38) sont prévues dans les parois (14, 15) des socles appariés (10a, 10b) pour le passage de fils d'interconnexion des deux bobines (Ca, Cb) des électroaimants.
- Contacteur selon la revendication 3, caractérisé par le fait que des parties encochées (40) sont prévues sur des éléments de forme (39) dans les socles des boítiers appariés (10a, 10b) pour maintenir les fils d'interconnexion.
- Contacteur selon la revendication 1, caractérisé par le fait que les socles des boítiers appariés (10a, 10b) sont accouplés au moyen d'un capot commun (11) occultant des bornes de bobine (A1, A2) de l'un (10b) des boítiers.
- Contacteur selon l'un des revendications 1 à 4, caractérisé par le fait que chaque sous-ensemble moteur (24a, 24b) est de type tétrapolaire, les pièces conductrices fixes correspondantes (30) étant réunies deux par deux en forme de fourche pour coopérer avec une seule borne de puissance (Bi).
- Contacteur selon l'une des revendications 1 à 5, caractérisé par le fait que chaque sous-ensemble moteur (24a, 24b) présente un levier (50) monté pivotant sur des paliers (52) prévus dans la carcasse de bobine (27), le levier comportant un bras (54) mené en prise avec l'armature mobile (26) de l'électroaimant et un bras de couplage (57) muni d'un logement (58) pour recevoir l'extrémité de la pièce de couplage (36).
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 |
---|---|---|---|
FR9509597 | 1995-08-04 | ||
FR9509597A FR2737602B1 (fr) | 1995-08-04 | 1995-08-04 | Contacteur tetrapolaire |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0757369A2 EP0757369A2 (fr) | 1997-02-05 |
EP0757369A3 EP0757369A3 (fr) | 1997-03-12 |
EP0757369B1 true EP0757369B1 (fr) | 1999-03-24 |
Family
ID=9481773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96401704A Expired - Lifetime EP0757369B1 (fr) | 1995-08-04 | 1996-07-31 | Contacteur tétrapolaire |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0757369B1 (fr) |
AT (1) | ATE178159T1 (fr) |
DE (1) | DE69601843T2 (fr) |
ES (1) | ES2129253T3 (fr) |
FR (1) | FR2737602B1 (fr) |
SI (1) | SI0757369T1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3217528C2 (de) * | 1982-05-10 | 1986-04-03 | Siemens AG, 1000 Berlin und 8000 München | Kontaktanordnung für Relais |
FR2624650B1 (fr) * | 1987-12-10 | 1990-04-06 | Merlin Gerin | Disjoncteur multipolaire a boitier moule de calibre eleve |
DE3817528A1 (de) * | 1988-05-24 | 1989-12-07 | Licentia Gmbh | Motorstarter mit kurzschlussschutz |
FR2673320B1 (fr) * | 1991-02-21 | 1995-06-02 | Telemecanique | Appareil interrupteur a commande electromagnetique et a condamnation mecanique. |
-
1995
- 1995-08-04 FR FR9509597A patent/FR2737602B1/fr not_active Expired - Fee Related
-
1996
- 1996-07-31 DE DE69601843T patent/DE69601843T2/de not_active Expired - Lifetime
- 1996-07-31 ES ES96401704T patent/ES2129253T3/es not_active Expired - Lifetime
- 1996-07-31 EP EP96401704A patent/EP0757369B1/fr not_active Expired - Lifetime
- 1996-07-31 SI SI9630072T patent/SI0757369T1/xx not_active IP Right Cessation
- 1996-07-31 AT AT96401704T patent/ATE178159T1/de active
Also Published As
Publication number | Publication date |
---|---|
SI0757369T1 (en) | 1999-10-31 |
DE69601843T2 (de) | 1999-07-29 |
ES2129253T3 (es) | 1999-06-01 |
EP0757369A2 (fr) | 1997-02-05 |
FR2737602A1 (fr) | 1997-02-07 |
EP0757369A3 (fr) | 1997-03-12 |
ATE178159T1 (de) | 1999-04-15 |
DE69601843D1 (de) | 1999-04-29 |
FR2737602B1 (fr) | 1997-08-29 |
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