EP0757369B1 - Four pole contactor - Google Patents
Four pole contactor 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
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 238000000429 assembly Methods 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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.
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)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Catching Or Destruction (AREA)
- Superconductive Dynamoelectric Machines (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Electromagnets (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Linear Motors (AREA)
Abstract
Description
La présente invention concerne un contacteur tétrapolaire comprenant dans un boítier et pour chaque pôle un pont de contact mobile coopérant avec deux contacts fixes et logé dans un support qui est commun à plusieurs ponts et est déplaçable par un électroaimant, ainsi que des couples de bornes de puissance raccordées chacune par une pièce conductrice à un contact fixe.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.
Les contacteurs tétrapolaires du type brièvement rappelé ici sont bien connus.Four-pole contactors of the type briefly recalled here are good known.
Pour construire un contacteur tétrapolaire d'un certain calibre en courant, il pourrait être intéressant de prendre certaines pièces de contacteurs tétrapolaires ou bipolaires de calibre inférieur en courant et l'on économiserait ainsi les coûts de développement des pièces correspondantes.To build a four-pole contactor of a certain current rating, it might be worth taking some parts from four-pole contactors or bipolar of lower caliber in current and this would save the costs of development of the corresponding parts.
L'invention est issue de cette constatation et vise à réduire le coût d'un contacteur tétrapolaire par recours à des constituants ou sous-ensembles de contacteurs bipolaires de même calibre ou de contacteurs bipolaires ou tétrapolaires de calibre inférieur.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.
Selon l'invention, le boítier se compose de deux socles identiques, les socles étant appariés par des moyens de fixation et logeant chacun un sous-ensemble moteur identique ; les deux supports mobiles des ponts de contact sont solidarisés mécaniquement par une pièce de couplage traversant des lumières ménagées dans des parois latérales des socles appariés.According to the invention, 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.
Les socles utilisés pour constituer le contacteur tétrapolaire peuvent donc être des socles de contacteurs tétrapolaires de calibre inférieur ou des socles de contacteurs bipolaires de même calibre moyennant une légère adaptation de ceux-ci à la construction tétrapolaire. Les sous-ensembles moteurs peuvent être également des sous-ensembles bipolaires de même calibre ou tétrapolaires de calibre inférieur.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.
Dans un mode de réalisation préférentiel, les sous-ensembles moteurs sont conçus en tant que sous-ensembles tétrapolaires de calibre inférieur et les pièces conductrices fixes correspondantes de pôles voisins sont réunies deux par deux en forme de fourche pour coopérer avec une seule borne de puissance.In a preferred embodiment, 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.
Il est avantageux que le couplage des sous-ensembles moteurs identiques s'effectue au moyen de leviers montés pivotants sur des paliers prévus dans la carcasse de bobine, ces leviers comportant chacun un bras mené en prise avec l'armature mobile de l'électroaimant et un bras de couplage muni d'un logement ou élément de forme analogue pour recevoir l'extrémité de la pièce de couplage.It is advantageous for the coupling of identical motor sub-assemblies is carried out by means of levers pivotally mounted on bearings provided in the coil carcass, these levers 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.
La description qui suit en regard des dessins permettra d'expliciter un mode de réalisation de l'invention.
- 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.
- Figure 1 shows schematically in elevation a four-pole contactor according to the invention.
- Figure 2 is a similar view of the contactor, the cover thereof being removed.
- Figure 3 is an exploded side view of the contactor.
- Figure 4 shows in perspective the coupled bases of the contactor.
- FIG. 5 shows a top view of an embodiment of the coupling by means of the contact supports.
- Figures 6 and 7 show in elevation an alternative embodiment of an electromagnetic sub-assembly of the contactor, respectively in the off position and in the on position, with coupling by means of levers.
Le contacteur tétrapolaire illustré sur les figures comprend un socle 10
constitué par juxtaposition et assemblage de deux boítiers identiques 10a, 10b et d'un
capot commun 11. Les boítiers ainsi appariés présentent de façon usuelle vers une
paroi arrière 12 des dispositions 13 permettant de fixer le socle sur un rail normalisé
et des parois latérales 14, 15 munies d'éléments d'emboítement mutuel 16 ; on peut
aussi assembler les deux boítiers entre eux par des éléments d'encliquetage ou par
tous moyens de fixation usuels.The four-pole contactor illustrated in the figures comprises a
Le capot 11 est rapporté à l'avant des deux boítiers appariés en
contribuant à leur assemblage, en leur étant assemblé par pénétration de pattes
d'encliquetage 17 dans des logements appropriés 18. Le capot présente vers l'avant
une partie centrale proéminente 19 qui permet de loger les armatures fixes des
électroaimants et des parties haute et basse en retrait 20, 21 munies d'ouvertures
pour l'accès d'un tournevis aux bornes de puissance hautes B1, B3, B5, B7 et basses
B2, B4, B6, B8, appartenant aux deux boítiers 10a, 10b ainsi qu'à deux bornes
latérales haute et basse A1, A2 d'alimentation des bobines, ces deux bornes
appartenant au boítier 10a. Il convient de remarquer que le capot commun 11 occulte
les logements des bornes de bobine qui sont prévus dans le boítier 10b et qui sont
situés sensiblement à mi-longueur du socle 10.The
Les boítiers 10a, 10b comprennent des logements 22 propres à recevoir
les bornes de puissance B1-B8, ainsi que des logements latéraux 23 prévus pour
recevoir les bornes de bobine A1, A2.The
Deux sous-ensembles moteurs identiques 24a, 24b comprenant un
électroaimant Ea, Eb et contacts mobiles sont logés dans les boítiers 10a, 10b ; ils
comprennent chacun une armature fixe 25a, 25b située vers l'avant du contacteur,
une armature mobile 26a, 26b et une bobine Ca, Cb enroulée sur une carcasse
isolante 27a, 27b (voir figure 5). L'armature mobile 26a, 26b se déplace en translation
et elle est solidaire d'un support de contacts tétrapolaire 28a, 28b, c'est-à-dire portant
quatre ponts à double coupure 29, munis chacun de deux contacts mobiles, et
coopérant avec des pièces conductrices fixes de contact. Chaque ensemble mobile
est sollicité par un ressort de rappel non indiqué.Two
Dans chacun des boítiers 10a, 10b, les pièces conductrices fixes 30
joignant les bornes de puissance à vis Bi aux ponts de contact 29 ont (voir figure 4)
une forme de fourche, de manière à présenter vers une borne respective Bi une
languette de contact unique 31 et vers le support mobile 28 deux branches de contact
32 portant chacune un contact fixe 33. On comprend que les supports 28 tétrapolaires
peuvent donc être des supports de contacteurs existants de calibre inférieur, ce qui
évite de concevoir des supports mobiles spécifiques pour le contacteur ici décrit.In each of the
Dans le mode de réalisation des figures 4 et 5, les parois latérales 14, 15
des boítiers appariés 10a, 10b comprennent de chaque côté une lumière rectiligne
borgne 34, 35 orientée perpendiculairement à la face avant du contacteur, de façon à
pouvoir loger une pièce de couplage 36 des supports mobiles 28 des deux boítiers.In the embodiment of Figures 4 and 5, the
La pièce de couplage 36 est réalisée sous forme de biellette engagée par
ses extrémités dans des ouvertures latérales correspondantes des supports 28. Des
échancrures 38 sont également prévues dans les parties haute et basse des parois
latérales 14, 15, près des bornes de bobine A1, A2, pour faciliter le passage des fils
d'interconnexion des deux bobines C. Les bobines pourraient être connectées en
parallèle sur A1, A2 ; elles sont présentement connectées en série. Des doigts 39 ou
éléments de forme analogue se terminant par des parties encochées 40 situées
sensiblement à la même hauteur que les échancrures 38 sont par ailleurs prévus
dans les boítiers 10a, 10b pour guider les fils d'interconnexion des bobines.The
Dans une variante préférée de réalisation illustrée sur les figures 6 et 7,
chaque sous-ensemble moteur comporte un levier pivotant 50 articulé par des
tourillons 51 dans des paliers 52 prévus dans un flasque arrière 53 de la carcasse de
bobine 27. Le levier 50 est en forme de L et comprend un bras mené et un bras de
couplage situés de part et d'autre des tourillons 51. Le bras mené 54 se termine par
une fourchette ou une ouverture 55 en prise sur une aiguille, un téton ou un autre
élément 56 solidaire de l'armature mobile 26 ; le bras de couplage 57 présente en son
milieu un logement latéral 58 pour recevoir l'extrémité de la pièce de couplage 36 et à
son extrémité libre un index de visualisation 59 susceptible d'apparaítre dans une
fenêtre 60 du boítier pour indiquer la position marche du contacteur. In a preferred variant of embodiment illustrated in FIGS. 6 and 7,
each engine sub-assembly comprises a
Le couplage effectué au moyen des leviers 50 améliore l'équilibrage de
l'ensemble mobile en cas de rupture de l'alimentation de l'une des bobines.The coupling carried out by means of the
Le sous-ensemble moteur est représenté sur la figure 6 en position arrêt et sur la figure 7 en position marche.The engine sub-assembly is shown in FIG. 6 in the stopped position. and in Figure 7 in the on position.
Claims (6)
- Four-pole contactor located in a housing and comprising, for each pole, a mobile contact bridge (29) cooperating with two fixed contacts housed in a support (28) which is common to several bridges and can be moved by an electromagnet (E) and pairs of power terminals (B1, B2, B3, B4; B5, B6, B7, B8) each connected to a fixed contact (32) through a conducting part (30),
characterized by the fact that:the housing comprises two identical bases (10a, 10b) each with two pairs of power terminals, the bases being matched by attachment means and each containing an identical motor subassembly (24a, 24b),the two motor subassemblies are mechanically fixed by a coupling part (36) passing through slots (34, 35) formed in the side walls (14, 15) of the matched bases. - Contactor according to claim 1, characterized by the fact that notches (38) are provided in the walls (14, 15) of matched bases (10a, 10b) to enable passage of interconnection wires for the two electromagnet coils (Ca, Cb).
- Contactor according to claim 3, characterized by the fact that the notched parts (40) are provided on shaped elements (39) in the bases of the matched housings (10a, 10b) to hold the interconnection wires in position.
- Contactor according to claim 1, characterized by the fact that the bases of the matched housings (10a, 10b) are coupled by means of a common cover (11), concealing the coil terminals (A1, A2) of one (10b) of the housings.
- Contactor according to one of claims 1 to 4, characterized by the fact that each motor subassembly 124a, 24b) is of the four-pole type, the corresponding fixed conducting parts (30) being connected in pairs in the form of a fork to cooperate with a single power terminal (Bi).
- Contactor according to any one of claims 1 to 5, characterized by the fact that each motor subassembly (24a, 24b) has a lever (15) mounted to pivot on bearings (52) provided in the coil casing (27), the lever comprising a driven arm (54) in contact with the mobile armature (26) of the electromagnetic and a coupling arm (57) equipped with a recess (58) to contain the end of coupling part (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 (en) | 1995-08-04 | 1995-08-04 | TETRAPOLAR CONTACTOR |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0757369A2 EP0757369A2 (en) | 1997-02-05 |
| EP0757369A3 EP0757369A3 (en) | 1997-03-12 |
| EP0757369B1 true EP0757369B1 (en) | 1999-03-24 |
Family
ID=9481773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96401704A Expired - Lifetime EP0757369B1 (en) | 1995-08-04 | 1996-07-31 | Four pole contactor |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0757369B1 (en) |
| AT (1) | ATE178159T1 (en) |
| DE (1) | DE69601843T2 (en) |
| ES (1) | ES2129253T3 (en) |
| FR (1) | FR2737602B1 (en) |
| SI (1) | SI0757369T1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3217528C2 (en) * | 1982-05-10 | 1986-04-03 | Siemens AG, 1000 Berlin und 8000 München | Contact arrangement for relays |
| FR2624650B1 (en) * | 1987-12-10 | 1990-04-06 | Merlin Gerin | MULTIPOLAR CIRCUIT BREAKER WITH HIGH CALIBER MOLDED HOUSING |
| DE3817528A1 (en) * | 1988-05-24 | 1989-12-07 | Licentia Gmbh | MOTOR STARTER WITH SHORT CIRCUIT PROTECTION |
| FR2673320B1 (en) * | 1991-02-21 | 1995-06-02 | Telemecanique | SWITCHING APPARATUS WITH ELECTROMAGNETIC CONTROL AND MECHANICAL CONDUCTION. |
-
1995
- 1995-08-04 FR FR9509597A patent/FR2737602B1/en not_active Expired - Fee Related
-
1996
- 1996-07-31 ES ES96401704T patent/ES2129253T3/en not_active Expired - Lifetime
- 1996-07-31 SI SI9630072T patent/SI0757369T1/en not_active IP Right Cessation
- 1996-07-31 AT AT96401704T patent/ATE178159T1/en active
- 1996-07-31 EP EP96401704A patent/EP0757369B1/en not_active Expired - Lifetime
- 1996-07-31 DE DE69601843T patent/DE69601843T2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ES2129253T3 (en) | 1999-06-01 |
| SI0757369T1 (en) | 1999-10-31 |
| DE69601843T2 (en) | 1999-07-29 |
| DE69601843D1 (en) | 1999-04-29 |
| FR2737602B1 (en) | 1997-08-29 |
| FR2737602A1 (en) | 1997-02-07 |
| EP0757369A2 (en) | 1997-02-05 |
| ATE178159T1 (en) | 1999-04-15 |
| EP0757369A3 (en) | 1997-03-12 |
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