EP0812032A1 - Terminal for comb-shaped bus bar, especially for modular electrical apparatus - Google Patents

Terminal for comb-shaped bus bar, especially for modular electrical apparatus Download PDF

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Publication number
EP0812032A1
EP0812032A1 EP97401195A EP97401195A EP0812032A1 EP 0812032 A1 EP0812032 A1 EP 0812032A1 EP 97401195 A EP97401195 A EP 97401195A EP 97401195 A EP97401195 A EP 97401195A EP 0812032 A1 EP0812032 A1 EP 0812032A1
Authority
EP
European Patent Office
Prior art keywords
conduction
terminal according
arrival terminal
section
tongue
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
EP97401195A
Other languages
German (de)
French (fr)
Other versions
EP0812032B1 (en
Inventor
Jacques Guelin
Pierre Mazabraud
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.)
Legrand SA
Legrand SNC
Original Assignee
Legrand SA
Legrand SNC
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 Legrand SA, Legrand SNC filed Critical Legrand SA
Publication of EP0812032A1 publication Critical patent/EP0812032A1/en
Application granted granted Critical
Publication of EP0812032B1 publication Critical patent/EP0812032B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2675—Electrical interconnections between two blocks, e.g. by means of busbars
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/07—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being of the same type but different sizes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw

Definitions

  • the present invention relates generally to comb-shaped supply bars of the type used for example for the joint service of a plurality of modular electrical devices aligned side by side on the same support.
  • these supply bars comprise, transversely, from place to place, in a regular pitch, a plurality of teeth, by which they are adapted to engage with the relevant connection terminal of these modular electrical appliances or, at least, that of some of them.
  • the present invention relates more particularly to the arrival terminal which it is usual to associate with such a power bar to ensure its own connection to an electrical conductor capable of connecting it to any power source.
  • This arrival terminal includes, in particular, a conductive active part and this itself comprises, on the one hand, a connection pad, which, to allow the engagement of an electrical conductor to be connected, has at least a conductor input, and, on the other hand, a conduction tab, which, in particular when the sill of the power bar is protected by an insulating sheath, is intended to be superimposed, at least locally, on a tooth of this power bar, for contact with this tooth and joint engagement with it in the corresponding connection terminal of any of the modular electrical devices concerned.
  • Inbound terminals of this type known to date generally have the disadvantage of offering no choice for the possibility of implantation of their conduction tab relative to the tooth of the power bar to which it this must be superimposed, which in practice limits their field of application to this or that type of connection terminal for modular electrical devices concerned.
  • the present invention generally relates to an inlet terminal for a comb-shaped power bar free from this drawback.
  • This arrival terminal which is of the kind set out above, is generally characterized in that, the conduction tab of the active part successively comprising two sections from the connection pad, namely, a section root and an end section, the end section has a thickness greater than that of the root section.
  • the conduction tab of the arrival terminal according to the invention can be superimposed either above or below on a tooth of the supply bar, despite the thicknesses of insulation possibly present on the sill this feed bar, and / or on its own root stretch.
  • the incoming terminal according to the invention is therefore suitable both in the case where the corresponding connection terminal of the modular electrical appliance concerned is a terminal of the so-called plate type, and in the case where it is a terminal of the so-called elevator type, which advantageously increases its field of application accordingly, and which advantageously facilitates its re-use during a possible modification of the installation in which it operates.
  • the arrival terminal 10 is intended to be associated with a power bar 11, which, in the form general comb, comprises, on the one hand, a sill 12, and, on the other hand, coming transversely from place to place of this sill 12, in a regular pitch, teeth 13.
  • a power bar 11 which, in the form general comb, comprises, on the one hand, a sill 12, and, on the other hand, coming transversely from place to place of this sill 12, in a regular pitch, teeth 13.
  • the sill 12 of the supply bar 11 is surrounded by an insulating sheath 14.
  • the arrival terminal 10 comprises an active part 16, which is conductive, and which, in the embodiment shown, is at least partly coated by an insulating envelope 17.
  • This active part 16 itself comprises, on the one hand, a connection pad 18, which, to allow the engagement of an electrical conductor 19 to be connected, is present at the right of an opening 20 of the insulating envelope 17, at least one conductor input 21, and, on the other hand, a conduction tab 22, which, intended to be superimposed, at least locally, according to methods described in more detail later, on a tooth 13 of the bar supply 11, for contact therewith, protrudes from the insulating envelope 17.
  • the active part 16 also includes a clamping screw 23 intended to cooperate in screwing with a threaded bore 24 of the connection pad 18 which transversely intersects the conductor inlet 21 thereof.
  • connection pad 18 of the active part 16 has two conductor inputs 21, and the insulating envelope 17 comprises, jointly, in correspondence, two openings 20.
  • connection pad 18 extends on either side of its threaded bore 24, opening one and the other therein. , and they are therefore aligned back to back in an alignment direction D1 with respect to which the conduction tongue 22 extends transversely.
  • the alignment direction D1 of the two conductor inputs 21 is perpendicular to the plane passing through this axis A and by this direction of elongation D2.
  • the conduction tongue 22 of the active part 16 comprises, successively, from the connection pad 18, two sections, namely, a section of root 28, by which it is connected in one attached to this connection pad 18, and an end section 29, by which it is intended to come into contact with a tooth 13 of the feed bar 11.
  • the root section 28 extends at mid-height of the connection pad 18, perpendicular to the corresponding face thereof, along a width L1, which, in practice, is equal to that of this face.
  • the end section 29 extends along a smaller width L2, while being centered relative to the root section 28.
  • this end section 29 a perpendicular to the following direction which it must be applied to a tooth 13 of the feed bar 11, a thickness E2 greater than that E1 of the root section 28.
  • the end section 29 comprises, with respect to the thickness E1 of the root section 28, an extra thickness E'2, E “2 on either of its two main faces 30, 31, that is to say on one and the other of the two faces which extend perpendicular to the direction in which it is intended to be superimposed on a tooth 13 of the feed bar 11.
  • the extra thickness E'2 on the upper main face 30 of the end section 29 is greater than the extra thickness E "2 on its lower main face 31.
  • the direction in which the end section 29 is intended to be superimposed on a tooth 13 of the feed bar 11 is parallel to the axis A of the threaded bore 24 of the connection pad 18.
  • one and the other of these main faces 30, 31 are each connected respectively by a chamfer 32, 33 to the root section 28.
  • the root section 28 has a rectangular outline elongated in the alignment direction D1 of the conductor inputs 21 of the connection pad 18, while the end section 29 has a substantially square outline.
  • the conduction tongue 22 is generally rectilinear.
  • this conduction tab 22 is in one piece with the connection pad 18.
  • the assembly can for example be very simply constituted by a section of profile duly cut and machined.
  • the insulating envelope 17 does not fall under the present invention, it will not be described in detail here.
  • the conduction tongue 22 does of course project therefrom, that, however, it has two lateral extensions 35, 36, one upper, the other lower, by which it is capable of enclosing the section of root 28 of this conduction tongue 22, that, to give access to the clamping screw 23, it has a well 38, and that, with each of its openings 20, there is associated a closing flap 39.
  • the lower lateral extension 36 of the insulating envelope 17 is articulated to its upper lateral extension 35 by a hinge zone 40 parallel to the conduction tongue 22.
  • these latching means comprise, on the one hand, projecting from the upper lateral extension 35, on the side of the latter opposite the lower lateral extension 36, a rib 41, and, on the other hand, projecting from the lower lateral extension 36, on the side of the latter opposite the upper lateral extension 35, a tab 42, which, perforated in the form of a loop, is capable of being hooked on the rib 41.
  • the conduction tab 22 of the active part 16 of the arrival terminal 10 according to the invention is superimposed, by its end section 29, on a tooth 13 of the supply bar 11.
  • connection terminal 44 in which the assembly is to be engaged is of the elevator type, this superposition takes place from below, that is to say on the side of the underside of the tooth 13 concerned of the feed bar 11.
  • a connection terminal 44 of the elevator type comprises, on the one hand, a fixed contact element 45, on which the corresponding tightening screw 46 is supported, and, on the other hand, a movable contact element 47, which, in the form of a stirrup, surrounds the fixed contact element 45, and with which the clamping screw meshes, and the elements to be tightened must be engaged between the fixed contact element 45 and the strand of the movable contact element 47 opposite to that with which the clamping screw 46 meshes.
  • the extra thickness E'2 which has on its upper main face 30 the end section 29 of the conduction tongue 22 allows this conduction tongue 22 to contact the tooth 13 of the feed bar 11 despite the presence of the thicknesses of insulation due, on the one hand, to the insulating sheath 14 of the supply bar 11, and, on the other hand, to the upper lateral extension 35 of the insulating envelope 17 of the arrival terminal 10.
  • the root section 28 of the conduction tongue 22 of the inlet terminal 10 is advantageously completely insulated, on its upper face, by the supply bar 11 and by the lateral extension 35 upper of the insulating jacket 17, and, on its underside, by the lower lateral extension 36 of this insulating jacket 17, for the benefit of safety.
  • connection terminal 44 is of the plate type, the superposition, on a tooth 13 of the supply bar 11, of the end section 29 of the conduction tongue 22 of the arrival terminal 10 according to the invention, is done from above.
  • a connection terminal 44 to wafer comprises, as previously, a fixed contact element 45, but the associated tightening screw 46 meshes with a fixed part 47, which can for example be constituted by a surrounding stirrup as before, the fixed contact element 45, and it carries with it a plate 48, which has passed under the free end of its barrel, and which it is responsible for bringing closer to the fixed contact element 45, and elements to tighten are to be engaged between this plate 48 and this fixed contact element 45.
  • the lower lateral extension 36 of the insulating envelope 17 is detached from the upper lateral extension 35 and left open.
  • the root section 28 of the conduction tongue 22 is advantageously insulated in its entirety, on its upper face, by the upper lateral extension 35 of the insulating envelope 17, and, on its lower face, by the bar d 11.
  • connection pad of the active part may have only one conductor input.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Abstract

The terminal includes a pin (22) which extends linearly from a connecting terminal (18) for an electrical conductor. The additional thickness (E'2) on the upper surface (30) of the end section (29) of the pin relative to the thinner root section (28) is greater than the additional thickness (E"2) on the lower surface (31). An insulating cover (17) surrounds at least some of the live part (16) with an opening (20) at right angles to the conductor input (21). It has two side extensions (35,36); the lower of these is hinged along its upper side by a thinned section so as to enclose the root by snapping together (41,42).

Description

La présente invention concerne d'une manière générale les barres d'alimentation en forme de peigne du type de celles mises en oeuvre par exemple pour la desserte conjointe d'une pluralité d'appareils électriques modulaires alignés côte à côte sur un même support.The present invention relates generally to comb-shaped supply bars of the type used for example for the joint service of a plurality of modular electrical devices aligned side by side on the same support.

Outre une longrine, par laquelle elles courent le long des appareils électriques modulaires à desservir, et qui, le plus souvent, est protégée par une gaine isolante, ces barres d'alimentation comportent, transversalement, de place en place, suivant un pas régulier, une pluralité de dents, par lesquelles elles sont adaptées à venir en prise avec la borne de connexion concernée de ces appareils électriques modulaires ou, au moins, celle de certains d'entre eux.In addition to a sill, by which they run along the modular electrical devices to be served, and which, more often than not, is protected by an insulating sheath, these supply bars comprise, transversely, from place to place, in a regular pitch, a plurality of teeth, by which they are adapted to engage with the relevant connection terminal of these modular electrical appliances or, at least, that of some of them.

La présente invention vise plus particulièrement la borne d'arrivée qu'il est usuel d'associer à une telle barre d'alimentation pour assurer son propre raccordement à un conducteur électrique susceptible de la relier à une quelconque source d'alimentation.The present invention relates more particularly to the arrival terminal which it is usual to associate with such a power bar to ensure its own connection to an electrical conductor capable of connecting it to any power source.

Cette borne d'arrivée comporte, notamment, une partie active conductrice et celle-ci comporte elle-même, d'une part, un plot de connexion, qui, pour permettre l'engagement d'un conducteur électrique à raccorder, présente au moins une entrée de conducteur, et, d'autre part, une languette de conduction, qui, notamment lorsque la longrine de la barre d'alimentation est protégée par une gaine isolante, est destinée à se superposer, au moins localement, à une dent de cette barre d'alimentation, pour contact avec cette dent et engagement conjoint avec elle dans la borne de connexion correspondante de l'un quelconque des appareils électriques modulaires concernés.This arrival terminal includes, in particular, a conductive active part and this itself comprises, on the one hand, a connection pad, which, to allow the engagement of an electrical conductor to be connected, has at least a conductor input, and, on the other hand, a conduction tab, which, in particular when the sill of the power bar is protected by an insulating sheath, is intended to be superimposed, at least locally, on a tooth of this power bar, for contact with this tooth and joint engagement with it in the corresponding connection terminal of any of the modular electrical devices concerned.

Les bornes d'arrivée de ce type connues à ce jour présentent en général l'inconvénient de n'offrir aucun choix pour la possibilité d'implantation de leur languette de conduction par rapport à la dent de la barre d'alimentation à laquelle celle-ci doit être superposée, ce qui limite en pratique leur champ d'application à tel ou tel type de borne de connexion pour les appareils électriques modulaires concernés.Inbound terminals of this type known to date generally have the disadvantage of offering no choice for the possibility of implantation of their conduction tab relative to the tooth of the power bar to which it this must be superimposed, which in practice limits their field of application to this or that type of connection terminal for modular electrical devices concerned.

La présente invention a d'une manière générale pour objet une borne d'arrivée pour barre d'alimentation en forme de peigne exempte de cet inconvénient.The present invention generally relates to an inlet terminal for a comb-shaped power bar free from this drawback.

Cette borne d'arrivée, qui est du genre exposé ci-dessus, est d'une manière générale caractérisée en ce que, la languette de conduction de la partie active comportant successivement deux tronçons à compter du plot de connexion, à savoir, un tronçon de racine et un tronçon d'extrémité, le tronçon d'extrémité a une épaisseur supérieure à celle du tronçon de racine.This arrival terminal, which is of the kind set out above, is generally characterized in that, the conduction tab of the active part successively comprising two sections from the connection pad, namely, a section root and an end section, the end section has a thickness greater than that of the root section.

Grâce à cette disposition, la languette de conduction de la borne d'arrivée suivant l'invention peut indifféremment se superposer par dessus ou par dessous à une dent de la barre d'alimentation, malgré les épaisseurs d'isolant éventuellement présentes sur la longrine de cette barre d'alimentation, et/ou sur son propre tronçon de racine.Thanks to this arrangement, the conduction tab of the arrival terminal according to the invention can be superimposed either above or below on a tooth of the supply bar, despite the thicknesses of insulation possibly present on the sill this feed bar, and / or on its own root stretch.

La borne d'arrivée suivant l'invention convient dès lors aussi bien au cas où la borne de connexion correspondante de l'appareil électrique modulaire concerné est une borne du type dit à plaquette, qu'au cas où il s'agit d'une borne du type dit ascenseur, ce qui augmente avantageusement d'autant son champ d'application, et ce qui facilite avantageusement sa réutilisation lors d'une éventuelle modification de l'installation dans laquelle elle intervient.The incoming terminal according to the invention is therefore suitable both in the case where the corresponding connection terminal of the modular electrical appliance concerned is a terminal of the so-called plate type, and in the case where it is a terminal of the so-called elevator type, which advantageously increases its field of application accordingly, and which advantageously facilitates its re-use during a possible modification of the installation in which it operates.

Les caractéristiques et avantages de l'invention ressortiront d'ailleurs de la description qui va suivre, à titre d'exemple, en référence aux dessins schématiques annexés sur lesquels :

  • la figure 1 est une vue en perspective d'une borne d'arrivée suivant l'invention ;
  • la figure 2 en est une vue en perspective éclatée ;
  • la figure 3 est une vue en perspective illustrant cette borne d'arrivée en place au contact d'une des dents d'une barre d'alimentation en forme de peigne, suivant une première implantation possible par rapport à cette dent ;
  • la figure 4 est une vue en coupe transversale de l'ensemble, suivant la ligne IV-IV de la figure 3 ;
  • la figure 5 est une vue en coupe longitudinale de la borne d'arrivée suivant l'invention, suivant la ligne V-V de la figure 3 ;
  • les figures 6 et 7 sont des vues qui, analogues, chacune respectivement, à celles des figures 3, 4, se rapportent à un deuxième mode d'implantation possible de la borne d'arrivée suivant l'invention par rapport à la dent concernée de la barre d'alimentation.
The characteristics and advantages of the invention will become apparent from the description which follows, by way of example, with reference to the appended schematic drawings in which:
  • Figure 1 is a perspective view of an arrival terminal according to the invention;
  • Figure 2 is an exploded perspective view;
  • Figure 3 is a perspective view illustrating this arrival terminal in place in contact with one of the teeth of a comb-shaped feed bar, according to a first possible implantation with respect to this tooth;
  • Figure 4 is a cross-sectional view of the assembly, along the line IV-IV of Figure 3;
  • Figure 5 is a longitudinal sectional view of the arrival terminal according to the invention, along the line VV of Figure 3;
  • Figures 6 and 7 are views which, analogously, each respectively, to those of Figures 3, 4, relate to a second possible mode of implantation of the arrival terminal according to the invention relative to the tooth concerned of the power bar.

Tel qu'illustré sur ces figures, et ainsi qu'il est par exemple mieux visible sur la figure 3, la borne d'arrivée 10 suivant l'invention est destinée à être associée à une barre d'alimentation 11, qui, en forme générale de peigne, comporte, d'une part, une longrine 12, et, d'autre part, issues transversalement de place en place de cette longrine 12, suivant un pas régulier, des dents 13.As illustrated in these figures, and as it is for example better visible in Figure 3, the arrival terminal 10 according to the invention is intended to be associated with a power bar 11, which, in the form general comb, comprises, on the one hand, a sill 12, and, on the other hand, coming transversely from place to place of this sill 12, in a regular pitch, teeth 13.

Dans la forme de réalisation représentée, la longrine 12 de la barre d'alimentation 11 est entourée par une gaine isolante 14.In the embodiment shown, the sill 12 of the supply bar 11 is surrounded by an insulating sheath 14.

Quoi qu'il en soit, cette barre d'alimentation 11 étant bien connue par elle-même, et ne relevant pas en propre de la présente invention, elle ne sera pas décrite plus en détail ici.Anyway, this power bar 11 being well known in itself, and not falling within the scope of the present invention, it will not be described in more detail here.

De manière également connue en soi, la borne d'arrivée 10 suivant l'invention comporte une partie active 16, qui est conductrice, et qui, dans la forme de réalisation représentée, est au moins en partie enrobée par une enveloppe isolante 17.In a manner also known per se, the arrival terminal 10 according to the invention comprises an active part 16, which is conductive, and which, in the embodiment shown, is at least partly coated by an insulating envelope 17.

Cette partie active 16 comporte elle-même, d'une part, un plot de connexion 18, qui, pour permettre l'engagement d'un conducteur électrique 19 à raccorder, présente, au droit d'une ouverture 20 de l'enveloppe isolante 17, au moins une entrée de conducteur 21, et, d'autre part, une languette de conduction 22, qui, destinée à se superposer, au moins localement, suivant des modalités décrites plus en détail ultérieurement, à une dent 13 de la barre d'alimentation 11, pour contact avec celle-ci, fait saillie hors de l'enveloppe isolante 17.This active part 16 itself comprises, on the one hand, a connection pad 18, which, to allow the engagement of an electrical conductor 19 to be connected, is present at the right of an opening 20 of the insulating envelope 17, at least one conductor input 21, and, on the other hand, a conduction tab 22, which, intended to be superimposed, at least locally, according to methods described in more detail later, on a tooth 13 of the bar supply 11, for contact therewith, protrudes from the insulating envelope 17.

La partie active 16 comporte également une vis de serrage 23 destinée à coopérer en vissage avec un perçage taraudé 24 du plot de connexion 18 qui recoupe transversalement l'entrée de conducteur 21 de celui-ci.The active part 16 also includes a clamping screw 23 intended to cooperate in screwing with a threaded bore 24 of the connection pad 18 which transversely intersects the conductor inlet 21 thereof.

Dans la forme de réalisation représentée, le plot de connexion 18 de la partie active 16 présente deux entrées de conducteur 21, et l'enveloppe isolante 17 comporte, conjointement, en correspondance, deux ouvertures 20.In the embodiment shown, the connection pad 18 of the active part 16 has two conductor inputs 21, and the insulating envelope 17 comprises, jointly, in correspondence, two openings 20.

En outre, dans cette forme de réalisation, les deux entrées de conducteur 21 que comporte le plot de connexion 18 s'étendent de part et d'autre de son perçage taraudé 24, en débouchant l'une et l'autre dans celui-ci, et elles sont donc alignées dos à dos suivant une direction d'alignement D1 vis-à-vis de laquelle la languette de conduction 22 s'étend transversalement.In addition, in this embodiment, the two conductor inputs 21 that comprises the connection pad 18 extend on either side of its threaded bore 24, opening one and the other therein. , and they are therefore aligned back to back in an alignment direction D1 with respect to which the conduction tongue 22 extends transversely.

Plus précisément, l'axe A du perçage taraudé 24 étant perpendiculaire à la direction d'allongement D2 de la languette de conduction 22, la direction d'alignement D1 des deux entrées de conducteur 21 est perpendiculaire au plan passant par cet axe A et par cette direction d'allongement D2.More precisely, the axis A of the threaded bore 24 being perpendicular to the direction of elongation D2 of the conduction tongue 22, the alignment direction D1 of the two conductor inputs 21 is perpendicular to the plane passing through this axis A and by this direction of elongation D2.

Dans la forme de réalisation représentée, la languette de conduction 22 de la partie active 16 comporte, successivement, à compter du plot de connexion 18, deux tronçons, à savoir, un tronçon de racine 28, par lequel elle se rattache d'un seul tenant à ce plot de connexion 18, et un tronçon d'extrémité 29, par lequel elle est destinée à venir au contact d'une dent 13 de la barre d'alimentation 11.In the embodiment shown, the conduction tongue 22 of the active part 16 comprises, successively, from the connection pad 18, two sections, namely, a section of root 28, by which it is connected in one attached to this connection pad 18, and an end section 29, by which it is intended to come into contact with a tooth 13 of the feed bar 11.

Le tronçon de racine 28 s'étend à mi-hauteur du plot de connexion 18, perpendiculairement à la face correspondante de celui-ci, suivant une largeur L1, qui, en pratique, est égale à celle de cette face.The root section 28 extends at mid-height of the connection pad 18, perpendicular to the corresponding face thereof, along a width L1, which, in practice, is equal to that of this face.

Par contre, le tronçon d'extrémité 29 s'étend suivant une largeur L2 inférieure, tout en étant centré par rapport au tronçon de racine 28.On the other hand, the end section 29 extends along a smaller width L2, while being centered relative to the root section 28.

De plus, dans la forme de réalisation plus particulièrement représentée sur les figures 1 à 7, ce tronçon d'extrémité 29 a, perpendiculairement à la direction suivant laquelle il doit être appliqué à une dent 13 de la barre d'alimentation 11, une épaisseur E2 supérieure à celle E1 du tronçon de racine 28.In addition, in the embodiment more particularly shown in Figures 1 to 7, this end section 29 a, perpendicular to the following direction which it must be applied to a tooth 13 of the feed bar 11, a thickness E2 greater than that E1 of the root section 28.

Plus précisément, dans cette forme de réalisation, le tronçon d'extrémité 29 comporte, par rapport à l'épaisseur E1 du tronçon de racine 28, une surépaisseur E'2, E"2 sur l'une et l'autre de ses deux faces principales 30, 31, c'est-à-dire sur l'une et l'autre des deux faces qui s'étendent perpendiculairement à la direction suivant laquelle il est destiné à se superposer à une dent 13 de la barre d'alimentation 11.More precisely, in this embodiment, the end section 29 comprises, with respect to the thickness E1 of the root section 28, an extra thickness E'2, E "2 on either of its two main faces 30, 31, that is to say on one and the other of the two faces which extend perpendicular to the direction in which it is intended to be superimposed on a tooth 13 of the feed bar 11.

Plus précisément, encore, dans cette forme de réalisation, la surépaisseur E'2 sur la face principale 30 supérieure du tronçon d'extrémité 29 est plus importante que la surépaisseur E"2 sur sa face principale 31 inférieure.More precisely, again, in this embodiment, the extra thickness E'2 on the upper main face 30 of the end section 29 is greater than the extra thickness E "2 on its lower main face 31.

Dans la forme de réalisation représentée, la direction suivant laquelle le tronçon d'extrémité 29 est destiné à se superposer à une dent 13 de la barre d'alimentation 11 est parallèle à l'axe A du perçage taraudé 24 du plot de connexion 18.In the embodiment shown, the direction in which the end section 29 is intended to be superimposed on a tooth 13 of the feed bar 11 is parallel to the axis A of the threaded bore 24 of the connection pad 18.

Sa face principale 30 supérieure et sa face principale 31 inférieure sont donc l'une et l'autre perpendiculaires à cet axe A.Its upper main face 30 and its lower main face 31 are therefore both perpendicular to this axis A.

Préférentiellement, et tel que représenté, l'une et l'autre de ces faces principales 30, 31 se raccordent chacune respectivement par un chanfrein 32, 33 au tronçon de racine 28.Preferably, and as shown, one and the other of these main faces 30, 31 are each connected respectively by a chamfer 32, 33 to the root section 28.

En section transversale, le tronçon de racine 28 a un contour rectangulaire allongé suivant la direction d'alignement D1 des entrées de conducteur 21 du plot de connexion 18, tandis que le tronçon d'extrémité 29 a un contour sensiblement carré.In cross section, the root section 28 has a rectangular outline elongated in the alignment direction D1 of the conductor inputs 21 of the connection pad 18, while the end section 29 has a substantially square outline.

Mais, abstraction faite de cette différence et des surépaisseurs E'2 et E"2 que présente le tronçon d'extrémité 29 par rapport au tronçon de racine 28, la languette de conduction 22 est globalement rectiligne.However, apart from this difference and the extra thicknesses E'2 and E "2 that the end section 29 has with respect to the root section 28, the conduction tongue 22 is generally rectilinear.

En pratique, cette languette de conduction 22 est d'un seul tenant avec le plot de connexion 18.In practice, this conduction tab 22 is in one piece with the connection pad 18.

L'ensemble peut par exemple être très simplement constitué par un tronçon de profilé dûment découpé et usiné.The assembly can for example be very simply constituted by a section of profile duly cut and machined.

L'enveloppe isolante 17 ne relevant pas de la présente invention, elle ne sera pas décrite en détail ici.The insulating envelope 17 does not fall under the present invention, it will not be described in detail here.

Il suffira d'indiquer que la languette de conduction 22 en fait bien entendu saillie, que, cependant, elle comporte deux prolongements latéraux 35, 36, l'un supérieur, l'autre inférieur, par lesquels elle est apte à enserrer le tronçon de racine 28 de cette languette de conduction 22, que, pour donner accès à la vis de serrage 23, elle comporte un puits 38, et que, à chacune des ses ouvertures 20, est associé un volet de fermeture 39.It will suffice to indicate that the conduction tongue 22 does of course project therefrom, that, however, it has two lateral extensions 35, 36, one upper, the other lower, by which it is capable of enclosing the section of root 28 of this conduction tongue 22, that, to give access to the clamping screw 23, it has a well 38, and that, with each of its openings 20, there is associated a closing flap 39.

Dans la forme de réalisation représentée, le prolongement latéral 36 inférieur de l'enveloppe isolante 17 est articulé à son prolongement latéral 35 supérieur par une zone charnière 40 parallèle à la languette de conduction 22.In the embodiment shown, the lower lateral extension 36 of the insulating envelope 17 is articulated to its upper lateral extension 35 by a hinge zone 40 parallel to the conduction tongue 22.

Conjointement, entre ces deux prolongements latéraux 35, 36 interviennent, préférentiellement, des moyens d'encliquetage.Jointly, between these two lateral extensions 35, 36 intervene, preferably, latching means.

Par exemple, et tel que représenté, ces moyens d'encliquetage comportent, d'une part, en saillie sur le prolongement latéral 35 supérieur, du côté de celui-ci opposé au prolongement latéral 36 inférieur, une nervure 41, et, d'autre part, en saillie sur le prolongement latéral 36 inférieur, du côté de celui-ci opposé au prolongement latéral 35 supérieur, une patte 42, qui, ajourée en forme d'anse, est apte à se crocheter sur la nervure 41.For example, and as shown, these latching means comprise, on the one hand, projecting from the upper lateral extension 35, on the side of the latter opposite the lower lateral extension 36, a rib 41, and, on the other hand, projecting from the lower lateral extension 36, on the side of the latter opposite the upper lateral extension 35, a tab 42, which, perforated in the form of a loop, is capable of being hooked on the rib 41.

En service, la languette de conduction 22 de la partie active 16 de la borne d'arrivée 10 suivant l'invention est superposée, par son tronçon d'extrémité 29, à une dent 13 de la barre d'alimentation 11.In service, the conduction tab 22 of the active part 16 of the arrival terminal 10 according to the invention is superimposed, by its end section 29, on a tooth 13 of the supply bar 11.

Lorsque, tel que schématisé en traits interrompus sur la figure 4, la borne de connexion 44 dans laquelle l'ensemble doit être engagé est de type ascenseur, cette superposition se fait par en dessous, c'est-à-dire du côté de la face inférieure de la dent 13 concernée de la barre d'alimentation 11.When, as shown diagrammatically in broken lines in FIG. 4, the connection terminal 44 in which the assembly is to be engaged is of the elevator type, this superposition takes place from below, that is to say on the side of the underside of the tooth 13 concerned of the feed bar 11.

Ainsi qu'on le sait, une borne de connexion 44 de type ascenseur comporte, en effet, d'une part, un élément de contact fixe 45, sur lequel prend appui la vis de serrage 46 correspondante, et, d'autre part, un élément de contact mobile 47, qui, en forme d'étrier, entoure l'élément de contact fixe 45, et avec lequel engrène la vis de serrage 46, et les éléments à serrer doivent être engagés entre l'élément de contact fixe 45 et le brin de l'élément de contact mobile 47 opposé à celui avec lequel engrène la vis de serrage 46.As is known, a connection terminal 44 of the elevator type comprises, on the one hand, a fixed contact element 45, on which the corresponding tightening screw 46 is supported, and, on the other hand, a movable contact element 47, which, in the form of a stirrup, surrounds the fixed contact element 45, and with which the clamping screw meshes, and the elements to be tightened must be engaged between the fixed contact element 45 and the strand of the movable contact element 47 opposite to that with which the clamping screw 46 meshes.

La surépaisseur E'2 que présente sur sa face principale 30 supérieure le tronçon d'extrémité 29 de la languette de conduction 22 permet le contact de cette languette de conduction 22 avec la dent 13 de la barre d'alimentation 11 malgré la présence des épaisseurs d'isolant dues, d'une part, à la gaine isolante 14 de la barre d'alimentation 11, et, d'autre part, au prolongement latéral 35 supérieur de l'enveloppe isolante 17 de la borne d'arrivée 10.The extra thickness E'2 which has on its upper main face 30 the end section 29 of the conduction tongue 22 allows this conduction tongue 22 to contact the tooth 13 of the feed bar 11 despite the presence of the thicknesses of insulation due, on the one hand, to the insulating sheath 14 of the supply bar 11, and, on the other hand, to the upper lateral extension 35 of the insulating envelope 17 of the arrival terminal 10.

Ainsi qu'on le notera, le tronçon de racine 28 de la languette de conduction 22 de la borne d'arrivée 10 est avantageusement isolé dans sa totalité, sur sa face supérieure, par la barre d'alimentation 11 et par le prolongement latéral 35 supérieur de l'enveloppe isolante 17, et, sur sa face inférieure, par le prolongement latéral 36 inférieur de cette enveloppe isolante 17, au bénéfice de la sécurité.As will be noted, the root section 28 of the conduction tongue 22 of the inlet terminal 10 is advantageously completely insulated, on its upper face, by the supply bar 11 and by the lateral extension 35 upper of the insulating jacket 17, and, on its underside, by the lower lateral extension 36 of this insulating jacket 17, for the benefit of safety.

Si, tel que schématisé en traits interrompus sur la figure 7, la borne de connexion 44 est du type à plaquette, la superposition, à une dent 13 de la barre d'alimentation 11, du tronçon d'extrémité 29 de la languette de conduction 22 de la borne d'arrivée 10 suivant l'invention, se fait par en dessus.If, as shown schematically in broken lines in FIG. 7, the connection terminal 44 is of the plate type, the superposition, on a tooth 13 of the supply bar 11, of the end section 29 of the conduction tongue 22 of the arrival terminal 10 according to the invention, is done from above.

Ainsi qu'on le sait, une borne de connexion 44 à plaquette comporte, comme précédemment, un élément de contact fixe 45, mais la vis de serrage 46 associée engrène avec une pièce fixe 47, qui peut par exemple être constituée par un étrier entourant comme précédemment l'élément de contact fixe 45, et elle entraîne avec elle une plaquette 48, qui est passée sous l'extrémité libre de son fût, et qu'elle a à charge de rapprocher de l'élément de contact fixe 45, et les éléments à serrer sont à engager entre cette plaquette 48 et cet élément de contact fixe 45.As is known, a connection terminal 44 to wafer comprises, as previously, a fixed contact element 45, but the associated tightening screw 46 meshes with a fixed part 47, which can for example be constituted by a surrounding stirrup as before, the fixed contact element 45, and it carries with it a plate 48, which has passed under the free end of its barrel, and which it is responsible for bringing closer to the fixed contact element 45, and elements to tighten are to be engaged between this plate 48 and this fixed contact element 45.

Dans un tel cas, le prolongement latéral 36 inférieur de l'enveloppe isolante 17 est détaché du prolongement latéral 35 supérieur et laissé ouvert.In such a case, the lower lateral extension 36 of the insulating envelope 17 is detached from the upper lateral extension 35 and left open.

Par exemple, et tel que représenté sur la figure 6, il vient alors reposer latéralement sur la gaine isolante 14 de la barre d'alimentation 11.For example, and as shown in FIG. 6, it then comes to rest laterally on the insulating sheath 14 of the supply bar 11.

Il est possible, ainsi, de minimiser la surépaisseur E"2 à donner au tronçon d'extrémité 29 de la languette de conduction 22 sur sa face principale 31 inférieure pour qu'il puisse être au contact de la dent 13 concernée de la barre d'alimentation 11.It is thus possible to minimize the extra thickness E "2 to be given to the end section 29 of the conduction tongue 22 on its lower main face 31 so that it can be in contact with the tooth 13 concerned of the bar d 11.

C'est la raison pour laquelle cette surépaisseur E"2 est inférieure à la surépaisseur E'2 présente sur la face principale 30 supérieure de ce tronçon d'extrémité 29.This is the reason why this additional thickness E "2 is less than the additional thickness E'2 present on the upper main face 30 of this end section 29.

Comme précédemment, le tronçon de racine 28 de la languette de conduction 22 est avantageusement isolé dans sa totalité, sur sa face supérieure, par le prolongement latéral 35 supérieur de l'enveloppe isolante 17, et, sur sa face inférieure, par la barre d'alimentation 11.As before, the root section 28 of the conduction tongue 22 is advantageously insulated in its entirety, on its upper face, by the upper lateral extension 35 of the insulating envelope 17, and, on its lower face, by the bar d 11.

Bien entendu, la présente invention ne se limite pas à la forme de réalisation décrite et représentée, mais englobe toute variante d'exécution.Of course, the present invention is not limited to the embodiment described and shown, but encompasses any variant.

En particulier, le plot de connexion de la partie active peut ne comporter qu'une entrée de conducteur.In particular, the connection pad of the active part may have only one conductor input.

Claims (8)

Borne d'arrivée pour barre d'alimentation en forme de peigne, notamment pour appareils électriques modulaires, du genre comportant une partie active (16) conductrice comportant par elle-même, d'une part, un plot de connexion (18), qui, pour permettre l'engagement d'un conducteur électrique (19) à raccorder, présente au moins une entrée de conducteur (21), et, d'autre part, une languette de conduction (22), qui est destinée à se superposer, au moins localement, à une dent (13) de la barre d'alimentation (11), pour contact avec celle-ci, caractérisée en ce que, la languette de conduction (22) de la partie active (16) comportant successivement deux tronçons (28, 29) à compter du plot de connexion (18), à savoir, un tronçon de racine (28) et un tronçon d'extrémité (29), le tronçon d'extrémité (29) a une épaisseur (E2) supérieure à celle (E1) du tronçon de racine (28).Arrival terminal for comb-shaped power bar, in particular for modular electrical appliances, of the type comprising an active conductive part (16) comprising by itself, on the one hand, a connection pad (18), which , to allow the engagement of an electrical conductor (19) to be connected, has at least one conductor input (21), and, on the other hand, a conduction tab (22), which is intended to be superimposed, at least locally, to a tooth (13) of the feed bar (11), for contact therewith, characterized in that, the conduction tongue (22) of the active part (16) successively comprising two sections (28, 29) from the connection pad (18), namely, a root section (28) and an end section (29), the end section (29) has a thickness (E2) greater to that (E1) of the root section (28). Borne d'arrivée suivant la revendication 1, caractérisée en ce que le tronçon d'extrémité (29) de la languette de conduction (22) comporte une surépaisseur (E'2, E"2) sur l'une et l'autre de ses deux faces principales (30, 31).Arrival terminal according to claim 1, characterized in that the end section (29) of the conduction tongue (22) has an additional thickness (E'2, E "2) on both its two main faces (30, 31). Borne d'arrivée suivant la revendication 2, caractérisée en ce que la surépaisseur (E'2) sur la face principale (30) supérieure du tronçon d'extrémité (29) de la languette de conduction (22) est plus importante que la surépaisseur (E"2) sur sa face principale (31) inférieure.Arrival terminal according to Claim 2, characterized in that the additional thickness (E'2) on the upper main face (30) of the end section (29) of the conduction tongue (22) is greater than the additional thickness (E "2) on its lower main face (31). Borne d'arrivée suivant l'une quelconque des revendications 1 à 3, caractérisée en ce que la languette de conduction (22) est globalement rectiligne.Arrival terminal according to any one of Claims 1 to 3, characterized in that the conduction tongue (22) is generally rectilinear. Borne d'arrivée suivant l'une quelconque des revendications 1 à 4, caractérisée en ce qu'elle comporte également une enveloppe isolante (17), qui enrobe au moins en partie la partie active (16), en présentant une ouverture (20) au droit de l'entrée de conducteur (21) de celle-ci, et dont fait saillie la languette de conduction (22) de cette partie active (16).Arrival terminal according to any one of Claims 1 to 4, characterized in that it also comprises an insulating envelope (17), which at least partially coats the active part (16), by presenting an opening (20) to the right of the conductor entry (21) thereof, and from which the conduction tab (22) of this active part (16) projects. Borne d'arrivée suivant la revendication 5, caractérisée en ce que l'enveloppe isolante (17) comporte deux prolongements latéraux (35, 36,) l'un supérieur, l'autre inférieur, par lesquels elle est apte à enserrer le tronçon de racine (28) de la languette de conduction (22) de la partie active (16).Arrival terminal according to claim 5, characterized in that the insulating envelope (17) comprises two lateral extensions (35, 36,) one upper, the other lower, by which it is capable of enclosing the section of root (28) of the conduction tongue (22) of the active part (16). Borne d'arrivée suivant la revendication 6, caractérisée en ce que le prolongement latéral (36) inférieur de l'enveloppe isolante (17) est articulé à son prolongement latéral (35) supérieur par une zone charnière (40) parallèle à la languette de conduction (22) de la partie active (16).Arrival terminal according to claim 6, characterized in that the lower lateral extension (36) of the insulating envelope (17) is articulated to its upper lateral extension (35) by a hinge zone (40) parallel to the tongue of conduction (22) of the active part (16). Borne d'arrivée suivant l'une quelconque des revendications 6, 7, caractérisée en ce que, entre les deux prolongements latéraux (35, 36) de l'enveloppe isolante (17), interviennent des moyens d'encliquetage.Arrival terminal according to any one of Claims 6, 7, characterized in that, between the two lateral extensions (35, 36) of the insulating envelope (17), there are latching means.
EP97401195A 1996-06-06 1997-05-30 Terminal for comb-shaped bus bar, especially for modular electrical apparatus Expired - Lifetime EP0812032B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9606994 1996-06-06
FR9606994A FR2749709B1 (en) 1996-06-06 1996-06-06 INLET TERMINAL FOR COMB-SHAPED POWER BAR, ESPECIALLY FOR MODULAR ELECTRICAL APPLIANCES

Publications (2)

Publication Number Publication Date
EP0812032A1 true EP0812032A1 (en) 1997-12-10
EP0812032B1 EP0812032B1 (en) 2001-04-25

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EP97401195A Expired - Lifetime EP0812032B1 (en) 1996-06-06 1997-05-30 Terminal for comb-shaped bus bar, especially for modular electrical apparatus

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EP (1) EP0812032B1 (en)
AT (1) ATE200835T1 (en)
DE (1) DE69704641T2 (en)
ES (1) ES2155972T3 (en)
FR (1) FR2749709B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2817650A1 (en) * 2000-12-06 2002-06-07 Alstom Insulated protection for connector to high current, low tension bus bar, uses cover sleeves that extend to form cover plates and fit over the bus bar and the connecting cable termination
EP1916744A1 (en) * 2006-10-27 2008-04-30 Hager-Electro SAS Bridging device with two connection levels allowing the connection of derivation terminals

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009016087A1 (en) * 2009-04-03 2010-10-14 Pollmann Elektrotechnik Gmbh Busbar terminals construction

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FR2582451A1 (en) * 1985-05-23 1986-11-28 Merlin Gerin Connector/terminal strip assembly for modular appliances
US5064384A (en) * 1990-12-04 1991-11-12 Square D Company Jumper assembly for multiple breaker application
US5201678A (en) * 1991-11-06 1993-04-13 Homac Mfg. Company Set screw bus connector
EP0547964A1 (en) * 1991-12-18 1993-06-23 Legrand Bus bar for parallel supply of modular electrical apparatus
DE29502063U1 (en) * 1995-02-09 1995-03-23 Hager Electro GmbH, 66131 Saarbrücken Connector

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US2953771A (en) * 1958-04-17 1960-09-20 Square D Co Electrical connector

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2582451A1 (en) * 1985-05-23 1986-11-28 Merlin Gerin Connector/terminal strip assembly for modular appliances
US5064384A (en) * 1990-12-04 1991-11-12 Square D Company Jumper assembly for multiple breaker application
US5201678A (en) * 1991-11-06 1993-04-13 Homac Mfg. Company Set screw bus connector
EP0547964A1 (en) * 1991-12-18 1993-06-23 Legrand Bus bar for parallel supply of modular electrical apparatus
DE29502063U1 (en) * 1995-02-09 1995-03-23 Hager Electro GmbH, 66131 Saarbrücken Connector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2817650A1 (en) * 2000-12-06 2002-06-07 Alstom Insulated protection for connector to high current, low tension bus bar, uses cover sleeves that extend to form cover plates and fit over the bus bar and the connecting cable termination
EP1213727A1 (en) * 2000-12-06 2002-06-12 Alstom Insulating protection with nestable insulating elements for a high-current and low-voltage connection
EP1916744A1 (en) * 2006-10-27 2008-04-30 Hager-Electro SAS Bridging device with two connection levels allowing the connection of derivation terminals
FR2907971A1 (en) * 2006-10-27 2008-05-02 Hager Electro S A S Soc Par Ac CONNECTION DEVICE WITH TWO LEVELS OF CONNECTION FOR CONNECTING REINFORCEMENT SPOUT
CN101227047B (en) * 2006-10-27 2012-03-21 哈格电器股份有限公司 Bridging device with two connection levels allowing the connection of derivation terminals

Also Published As

Publication number Publication date
FR2749709A1 (en) 1997-12-12
ES2155972T3 (en) 2001-06-01
EP0812032B1 (en) 2001-04-25
FR2749709B1 (en) 1998-09-04
ATE200835T1 (en) 2001-05-15
DE69704641D1 (en) 2001-05-31
DE69704641T2 (en) 2001-08-09

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