EP1045491A1 - Terminal interconnection process and device - Google Patents

Terminal interconnection process and device Download PDF

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Publication number
EP1045491A1
EP1045491A1 EP00420066A EP00420066A EP1045491A1 EP 1045491 A1 EP1045491 A1 EP 1045491A1 EP 00420066 A EP00420066 A EP 00420066A EP 00420066 A EP00420066 A EP 00420066A EP 1045491 A1 EP1045491 A1 EP 1045491A1
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EP
European Patent Office
Prior art keywords
connection
stripping
slot
interconnection device
interconnection
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
EP00420066A
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German (de)
French (fr)
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EP1045491B1 (en
Inventor
M. Ariel Ruiz
M. Arsène Schmidt
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ABB France SAS
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Entrelec SAS
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Publication date
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Publication of EP1045491A1 publication Critical patent/EP1045491A1/en
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Publication of EP1045491B1 publication Critical patent/EP1045491B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/08—Short-circuiting members for bridging contacts in a counterpart

Definitions

  • the present invention relates to a method and a device interconnection of connection terminals, in particular of connection terminals self-stripping connection.
  • interconnect organs electrical such as terminal blocks
  • These electrical components generally include a reception structure which is possibly constituted by a female part designed specifically to receive a type of clamp.
  • This structure can be reduce to an opening made in a connection element, by example of a conductive strip type, to allow insertion and establishing electrical contact between this connection element and pliers.
  • interconnection strips To make a connection between several electrical components, for example, terminal blocks, neighbors, it is known to use interconnection strips. Bars of this type are made with the number of clamps desired by the user. Documents DE-44 11 306 or FR 2 764 445 disclose such interconnection bars. Use of these strips assumes that the electrical components to be interconnected have a structure intended to receive a clamp.
  • terminal blocks that are designed without structure allowing interconnection with neighboring terminal blocks.
  • Such terminal blocks are for example blocks which have been designed with a concern for miniaturization.
  • the object of the present invention is to provide a new process and a new interconnection device for such terminals of connection.
  • This device can advantageously be used with terminal blocks fitted with connection terminals as described and claimed in document EP-0 247 360.
  • a terminal connection comprises a conductive connection piece, with slot stripping and holding straight for the souls of the wires, which is immobilized in a housing of an insulating housing itself provided with a opening which extends opposite the stripping and retaining slot for allow the insertion of the wires transversely above the mouthpiece stripping that includes this slot and the immobilization of the sheaths insulating wires whose core is retained in said slot.
  • the slot is longitudinally formed along a part in the form of a profile of the conductive part which has, at this level, a cross-section hollow polygonal transverse allowing guiding in translation along the slot of an external tool attachment intended to slide both from on either side and between the folds delimiting the edges of the slot, so pushing the wires into this slot in a transverse position with respect to it, by being guided in the internal cavity of the profiled part, said end piece of tool being guided in translation from the outside of the insulating housing towards said cavity by the edges of a hole made in said insulating housing at this effect.
  • the method according to the invention is a method of interconnecting connection terminals with a stripping and retaining slot, at using an interconnection comb comprising a connecting bar to from which extend contact cards.
  • the free end of the contact plugs forms a clamp and the interconnection between two connection terminals is made by pinching using the end of two contact plugs the edges of the stripping slots and corresponding retainers.
  • the pinching is carried out at the end of the zone of the stripping and retaining slot intended to ensure the retention of a wire to be connected, end located on the side of which the introduction is made in the slot of the wire to be connected.
  • this is an area where a good contact is possible and easily accessible since it is planned to access it with the wire to be connected.
  • the invention also provides a device for interconnecting connection terminals with a connecting strip from which extend from contact cards.
  • the connecting bar extends in a plane perpendicular to the direction of extension of the cards; at the level of each connection terminal, extends from the two longitudinal edges opposite of the connection strip each time a connection plug, and two connection plugs facing each other form a clamp.
  • Such a device is easy to make. Indeed, it suffices to cut and fold a metal strip to make such a device. he these are simple and common operations. The cost price of such room is low.
  • the pliers can take place the edges of the slot of the conductive part.
  • the cards then work by deviating each other while in the usual interconnection devices, two cards facing each other work closer together one from the other.
  • a tooth extends each time between two cards, in the plane of the connecting bar, on each edge longitudinal of the bar.
  • the interconnection device according to this invention can then also include an insulating protection formed by an extruded insulating plastic profile threaded onto the teeth of the two opposite longitudinal edges of the connecting bar.
  • An interconnection device is for example intended to come interconnect terminals for stripping and stripping retainers each placed in an insulating housing having an opening to allow passage and guiding in translation of an external tool provided for driving a wire between pleats delimiting the edges of the slot stripping and restraint.
  • a connection terminal is described by example in patent EP-0 247 360.
  • the plugs are advantageously spaced from each other and have a width such that they are guided by the opening provided for the passage and guidance of the external tool and the side of their free end the plugs, in the connection position, are placed preferably on both sides of the folds delimiting the edges of the slot of stripping and restraint.
  • connection terminal In this configuration, it is useless to plan at the level of the connection terminal an adaptation to allow connection with a neighboring connection terminal since the connection is made by a hole originally intended for the passage of an external tool allowing the connection of a wire to be connected in the terminal connection.
  • connection device In the case where the connection device according to the invention is intended to interconnect slotted connection terminals stripping and retaining each placed in an insulating housing having an opening to allow passage and guiding in translation of a external tool intended to drive a wire between folds delimiting the edges of the stripping and retaining slot, the insulating housing having a rim intended to receive a hooking projection of the external tool, then each sheet advantageously has a boss intended to come and take place in the hooking rim in connection position of the clamp. This allows the connection device to be kept in the connected position.
  • a connection terminal is described for example in the patent EP-0 265 321.
  • pre-cuts are advantageously provided on the link bar.
  • the interconnection device according to the invention shown in the Figure 2 consists of two separate parts: a comb interconnection 2 and an insulating cap 4.
  • the interconnection comb 2 is a succession of pliers 6 as shown in Figure 1.
  • This comb 2 is made from a metal strip, for example of tinned copper alloy, cut and folded.
  • the interconnection comb 2 has a connecting bar 8, plugs 10 which two by two form a clamp 6, as well as teeth 12.
  • the connecting bar 8 extends in a plane hereinafter called horizontal plane. Sheets 10 all extend on the same side of this plane horizontal in a general direction perpendicular to this plane and called vertical direction. We will consider that the sheets 10 extend vertically down. Sheets 10 each extend from a longitudinal edge 14 of the connecting bar 8. At each plug 10 corresponds a second plug 10 which forms with this first a clamp 6. The two cards 10 face each other and the second card 10 leaves the edge longitudinal opposite to the longitudinal edge from which the first extends file 10.
  • a tooth 12 Between two sheets 10 extending from the same edge longitudinal 14 of the connecting bar 8, is each time a tooth 12. The latter also starts from the longitudinal edge 14 but extends in the horizontal plane. The shape of the connecting bar 8 with the teeth 12 thus recalls the shape of a succession of H placed next to the other.
  • the insulating cap 4 is made of insulating synthetic material electrically. It is an extruded profile having a flat face 16 intended to cover the connecting bar 8 and the teeth 12. The edges longitudinal of the flat face 16 have returns 18 intended for come and grasp the free end of the teeth 12 from below. This profile can thus slide on the interconnection comb at the level of the connection 8 and teeth 12.
  • each sheet 10 extends perpendicular to the connecting strip 8 from a longitudinal edge 14 thereof. From the longitudinal edge 14, each sheet 10 has a guide face 20, a narrowing 22, a jaw region 24 as well as a curved end 26 ( Figure 6).
  • the guide face 20 is a flat face extending perpendicular to the connecting bar 8 and to the horizontal plane.
  • a boss 28 is provided in the plane of the guide face 20 on an edge of this one.
  • the constriction 22 is in an inclined plane relative to to the guide face 20. It extends towards the second plug 10 forming with the sheet described here a clamp 6. This narrowing zone 22 has a less width compared to the guide face 20.
  • the jaw region 24 forms an angle of a few degrees with the perpendicular to the horizontal plane so that the two jaw-forming zones 24 facing each other approach one of the other by moving away from the connection bar 8.
  • end 26 of the jaw region 24 is curved outward, that is, away from the other plug of the pliers.
  • the two jaw areas 24 are intended to come sandwich a conductive part to be interconnected.
  • Figure 4 shows an interconnection device such as that described above as well as two connection pieces 30 to be connected electrically.
  • connection pieces 30 include the characteristics, with regard to their shape, of connecting pieces already known by patents of the prior art such as for example the document EP-0 247 360 or EP-0 265 321.
  • Each piece 30 has a stripping and stripping slot 32 retainer which is straight and parallel to the longitudinal axis of the workpiece 30 profiled connection. It is for example obtained from a flat side by stamping resulting in cutting, then folding and possibly localized thinning.
  • the connecting piece 30 here has a cross section hollow polygon which corresponds to a U with a base 34 and two branches 36 whose free ends have been obliquely and also folded towards each other.
  • the free end of each folded part 38 forms an edge of the stripping and retaining slot 32. These parts 38 are eventually gradually thinned towards the slot 32.
  • the stripping and retaining slot 32 presents at one of its ends a stripped mouth 40.
  • the latter is obtained by symmetrical oblique cutout of the folded parts 38 at their ends. This oblique cut makes it possible to obtain a flared mouthpiece, the edges form an edge allowing to start a sheath of a pushed wire in the mouth.
  • the contact between a plug 10 and a connection piece 30 is made at level of the edges of the slot 32, on the side of the mouth 40, in a zone of the slot 32 intended to carry out the retention of an electric wire to connect.
  • a jaw region 24 of the plug 10 is then located at the interior of the hollow polygonal section profile while the area forming jaw 24 of the card 10 which is associated therewith is the outside of this profile.
  • the presence of the curved ends 26 on the plugs 10 facilitates the spacing of the plugs 10 which is caused when the contact between the plug 10 and the connection piece 30 is established.
  • Figures 6 and 7 show the connection pieces 30 of the Figures 4 and 5 in place in an insulating housing 42 of a terminal block. This last corresponds to a terminal block as described in the patent European No. 0 265 321.
  • This housing 42 has an insertion opening 44 intended for the passage of a blade of an external tool making it possible to make the connection of a wire at the connection piece 30.
  • This introduction port 44 is provided with hooking edges 46 intended for receive movable fastening elements carried by the tool end as described in patent EP-0 265 321.
  • the pliers 6 of the interconnection comb 2 passes through the introduction orifice 44 for making the electrical connection between two 30 connecting parts nearby.
  • the boss 28 of each guide face 20 is placed so that when the connection between the plug 10 and the corresponding connecting piece 30 is made, the boss 28 comes take place just below the hanging edge 46. This allows then maintaining the interconnection comb 2 in place on the block junction.
  • the interconnection device described above is particularly simple to make. Indeed, the cutting and folding are automated and commonly used operations.
  • the fact to have an insulating cap 4 threading on the interconnection comb also facilitates the production of the interconnection device.
  • Another advantage of the interconnection device described above is that it can come and take place on terminal blocks which have no particular structure intended to receive a comb interconnection. Indeed, the device described comes to connect at the level an orifice whose primary function is the passage of a tool allowing to connect a wire to the connection piece located at inside the terminal block.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The connection wire interconnection unit has a connection slab (8) with a set of contact pins (10). The free end of the cont pins forms a grip (6), gripping the edge of the wire stripping slot retainer (32).

Description

La présente invention concerne un procédé et un dispositif d'interconnexion de bornes de raccordement, notamment de bornes de raccordement auto-dénudantes.The present invention relates to a method and a device interconnection of connection terminals, in particular of connection terminals self-stripping connection.

Il est connu dans le domaine des appareillages de connexion électrique de disposer les uns à côtés des autres des organes électriques, par exemple des blocs de jonction, alignés les uns à côté des autres. Il est ainsi usuel d'aligner sur un même rail une série de blocs de jonction identiques.It is known in the field of switchgear electric to have electrical components next to each other, for example terminal blocks, aligned next to each other. It is so usual to align on a single rail a series of terminal blocks identical.

Il est également connu par ailleurs d'interconnecter des organes électriques, tels des blocs de jonction, alignés les uns à côté des autres. Ces organes électriques comportent généralement une structure d'accueil qui est éventuellement constituée par une pièce femelle conçue spécifiquement pour recevoir un type de pince. Cette structure peut se réduire à une ouverture réalisée dans un élément de raccordement, par exemple de type barrette conductrice, pour permettre l'insertion et l'établissement d'un contact électrique entre cet élément de raccordement et une pince.It is also known, moreover, to interconnect organs electrical, such as terminal blocks, aligned next to each other. These electrical components generally include a reception structure which is possibly constituted by a female part designed specifically to receive a type of clamp. This structure can be reduce to an opening made in a connection element, by example of a conductive strip type, to allow insertion and establishing electrical contact between this connection element and pliers.

Pour réaliser une connexion entre plusieurs organes électriques, par exemple des blocs de jonction, voisins, il est connu d'utiliser des barrettes d'interconnexion. Des barrettes de ce type sont réalisées avec le nombre de pinces désirées par l'utilisateur. Les documents DE-44 11 306 ou FR 2 764 445 révèlent de telles barrettes d'interconnexion. L'utilisation de ces barrettes suppose que les organes électriques à interconnecter possèdent une structure destinée à recevoir une pince.To make a connection between several electrical components, for example, terminal blocks, neighbors, it is known to use interconnection strips. Bars of this type are made with the number of clamps desired by the user. Documents DE-44 11 306 or FR 2 764 445 disclose such interconnection bars. Use of these strips assumes that the electrical components to be interconnected have a structure intended to receive a clamp.

Toutefois, il existe des blocs de jonction qui sont conçus sans structure permettant une interconnexion avec des blocs de jonction voisins. De tels blocs de jonction sont par exemple des blocs qui ont été conçus avec un souci de miniaturisation. On s'intéresse ici plus particulièrement aux blocs de jonction présentant une borne de connexion autodénudante comportant une fente de dénudage et de retenue.However, there are terminal blocks that are designed without structure allowing interconnection with neighboring terminal blocks. Such terminal blocks are for example blocks which have been designed with a concern for miniaturization. We are particularly interested here to terminal blocks with an insulation displacement connection terminal having a stripping and retaining slot.

La présente invention a pour but de fournir un nouveau procédé et un nouveau dispositif d'interconnexion pour de telles bornes de raccordement. Ce dispositif pourra avantageusement être utilisé avec des blocs de jonction équipés de bornes de raccordement telles que décrites et revendiquées dans le document EP-0 247 360. Une telle borne de raccordement comporte une pièce conductrice de connexion, à fente rectiligne de dénudage et de retenue pour les âmes des fils, qui est immobilisée dans un logement d'un boítier isolant lui-même doté d'une ouverture qui s'étend en regard de la fente de dénudage et de retenue pour permettre l'insertion des fils transversalement au-dessus de l'embouchure dénudante que comporte cette fente et l'immobilisation des gaines isolantes des fils dont l'âme est retenue dans ladite fente. Toujours selon ce document, la fente est longitudinalement ménagée au long d'une partie en forme de profilé de la pièce conductrice qui a, à ce niveau, une section transversale polygonale creuse permettant le guidage en translation le long de la fente d'un embout d'outil extérieur prévu pour coulisser à la fois de part et d'autre et entre les plis délimitant les bords de la fente, de manière à enfoncer les fils dans cette fente en position transversale par rapport à elle, en se guidant dans la cavité interne de la partie profilée, ledit embout d'outil étant guidé en translation depuis l'extérieur du boítier isolant vers ladite cavité par les bords d'un trou ménagé dans ledit boítier isolant à cet effet.The object of the present invention is to provide a new process and a new interconnection device for such terminals of connection. This device can advantageously be used with terminal blocks fitted with connection terminals as described and claimed in document EP-0 247 360. Such a terminal connection comprises a conductive connection piece, with slot stripping and holding straight for the souls of the wires, which is immobilized in a housing of an insulating housing itself provided with a opening which extends opposite the stripping and retaining slot for allow the insertion of the wires transversely above the mouthpiece stripping that includes this slot and the immobilization of the sheaths insulating wires whose core is retained in said slot. Always according to this document, the slot is longitudinally formed along a part in the form of a profile of the conductive part which has, at this level, a cross-section hollow polygonal transverse allowing guiding in translation along the slot of an external tool attachment intended to slide both from on either side and between the folds delimiting the edges of the slot, so pushing the wires into this slot in a transverse position with respect to it, by being guided in the internal cavity of the profiled part, said end piece of tool being guided in translation from the outside of the insulating housing towards said cavity by the edges of a hole made in said insulating housing at this effect.

Le procédé selon l'invention est un procédé d'interconnexion de bornes de raccordement présentant une fente de dénudage et de retenue, à l'aide d'un peigne d'interconnexion comportant une barrette de liaison à partir de laquelle s'étendent des fiches de contact. Selon l'invention, l'extrémité libre des fiches de contact forme une pince et l'interconnexion entre deux bornes de raccordement est réalisée en venant pincer à l'aide de l'extrémité de deux fiches de contact les bords des fentes de dénudage et de retenue correspondantes.The method according to the invention is a method of interconnecting connection terminals with a stripping and retaining slot, at using an interconnection comb comprising a connecting bar to from which extend contact cards. According to the invention, the free end of the contact plugs forms a clamp and the interconnection between two connection terminals is made by pinching using the end of two contact plugs the edges of the stripping slots and corresponding retainers.

De cette manière, l'interconnexion se fait sans qu'il soit nécessaire de prévoir une structure particulière au niveau de la borne de raccordement.In this way, the interconnection is done without it being necessary to provide a special structure at the terminal connection.

De préférence, le pincement est réalisé à l'extrémité de la zone de la fente de dénudage et de retenue destinée à assurer la retenue d'un fil à connecter, extrémité se trouvant du côté duquel se fait l'introduction dans la fente du fil à connecter. En effet, il s'agit là d'une zone où un bon contact est possible et facilement accessible puisqu'il est prévu d'y accéder avec le fil à connecter.Preferably, the pinching is carried out at the end of the zone of the stripping and retaining slot intended to ensure the retention of a wire to be connected, end located on the side of which the introduction is made in the slot of the wire to be connected. Indeed, this is an area where a good contact is possible and easily accessible since it is planned to access it with the wire to be connected.

L'invention propose aussi un dispositif d'interconnexion de bornes de raccordement comportant une barrette de liaison à partir de laquelle s'étendent des fiches de contact. The invention also provides a device for interconnecting connection terminals with a connecting strip from which extend from contact cards.

Selon l'invention, la barrette de liaison s'étend dans un plan perpendiculaire à la direction d'extension des fiches ; au niveau de chaque borne de raccordement, s'étend à partir des deux bords longitudinaux opposés de la barrette de liaison à chaque fois une fiche de connexion, et deux fiches de connexion se faisant face forment une pince.According to the invention, the connecting bar extends in a plane perpendicular to the direction of extension of the cards; at the level of each connection terminal, extends from the two longitudinal edges opposite of the connection strip each time a connection plug, and two connection plugs facing each other form a clamp.

Un tel dispositif est facile à réaliser. En effet, il suffit de découper et de plier une bande métallique pour réaliser un tel dispositif. Il s'agit là d'opérations simples et courantes. Le prix de revient d'une telle pièce est peu élevé.Such a device is easy to make. Indeed, it suffices to cut and fold a metal strip to make such a device. he these are simple and common operations. The cost price of such room is low.

Dans la pince peuvent venir prendre place les bords de la fente de retenue de la pièce conductrice. Les fiches travaillent alors en s'écartant l'une de l'autre tandis que dans les dispositifs d'interconnexion habituels, deux fiches se trouvant l'une face à l'autre travaillent en se rapprochant l'une de l'autre.In the pliers can take place the edges of the slot of the conductive part. The cards then work by deviating each other while in the usual interconnection devices, two cards facing each other work closer together one from the other.

Dans une forme de réalisation une dent s'étend à chaque fois entre deux fiches, dans le plan de la barrette de liaison, sur chaque bord longitudinal de la barrette. Le dispositif d'interconnexion selon la présente invention peut alors comporter également une protection isolante formée par un profilé extrudé en matière synthétique isolante venant s'enfiler sur les dents des deux bords longitudinaux opposés de la barrette de liaison.In one embodiment a tooth extends each time between two cards, in the plane of the connecting bar, on each edge longitudinal of the bar. The interconnection device according to this invention can then also include an insulating protection formed by an extruded insulating plastic profile threaded onto the teeth of the two opposite longitudinal edges of the connecting bar.

Un dispositif d'interconnexion est par exemple destiné à venir interconnecter des bornes de raccordement à fente de dénudage et de retenue placées chacune dans un boítier isolant présentant une ouverture pour permettre le passage et le guidage en translation d'un outil extérieur prévu pour enfoncer un fil entre des plis délimitant les bords de la fente de dénudage et de retenue. Une telle borne de raccordement est décrite par exemple dans le brevet EP-0 247 360. Dans ce cas, du côté de la barrette de liaison, les fiches sont avantageusement espacées l'une de l'autre et présentent une largeur telle qu'elles sont guidées par l'ouverture prévue pour le passage et le guidage de l'outil extérieur et du côté de leur extrémité libre les fiches, en position de connexion, se placent de préférence de part et d'autre des plis délimitant les bords de la fente de dénudage et de retenue.An interconnection device is for example intended to come interconnect terminals for stripping and stripping retainers each placed in an insulating housing having an opening to allow passage and guiding in translation of an external tool provided for driving a wire between pleats delimiting the edges of the slot stripping and restraint. Such a connection terminal is described by example in patent EP-0 247 360. In this case, on the side of the bar of connection, the plugs are advantageously spaced from each other and have a width such that they are guided by the opening provided for the passage and guidance of the external tool and the side of their free end the plugs, in the connection position, are placed preferably on both sides of the folds delimiting the edges of the slot of stripping and restraint.

Dans cette configuration, il est inutile de prévoir au niveau de la borne de raccordement une adaptation pour permettre la connexion avec une borne de raccordement voisine puisque la connexion se fait par un orifice qui est prévu à l'origine pour le passage d'un outil extérieur permettant de réaliser la connexion d'un fil à connecter dans la borne de raccordement.In this configuration, it is useless to plan at the level of the connection terminal an adaptation to allow connection with a neighboring connection terminal since the connection is made by a hole originally intended for the passage of an external tool allowing the connection of a wire to be connected in the terminal connection.

Dans le cas où le dispositif de connexion selon l'invention est destiné à venir interconnecter des bornes de raccordement à fente de dénudage et de retenue placées chacune dans un boítier isolant présentant une ouverture pour permettre le passage et le guidage en translation d'un outil extérieur prévu pour enfoncer un fil entre des plis délimitant les bords de la fente de dénudage et de retenue, le boítier isolant présentant un rebord destiné à recevoir une saillie d'accrochage de l'outil extérieur, alors chaque fiche présente avantageusement un bossage destiné à venir prendre place dans le rebord d'accrochage en position de connexion de la pince. Ceci permet un maintien du dispositif de connexion en position connectée. Une telle borne de raccordement est décrite par exemple dans le brevet EP-0 265 321.In the case where the connection device according to the invention is intended to interconnect slotted connection terminals stripping and retaining each placed in an insulating housing having an opening to allow passage and guiding in translation of a external tool intended to drive a wire between folds delimiting the edges of the stripping and retaining slot, the insulating housing having a rim intended to receive a hooking projection of the external tool, then each sheet advantageously has a boss intended to come and take place in the hooking rim in connection position of the clamp. This allows the connection device to be kept in the connected position. Such a connection terminal is described for example in the patent EP-0 265 321.

Pour permettre d'adapter la longueur du dispositif d'interconnexion selon l'invention aux besoins de l'utilisateur, des prédécoupes sont avantageusement prévues sur la barrette de liaison.To allow the length of the device to be adjusted interconnection according to the invention to the needs of the user, pre-cuts are advantageously provided on the link bar.

De toute façon, l'invention sera bien comprise à l'aide de la description qui suit, en référence au dessin schématique annexé, représentant à titre d'exemple non limitatif une forme de réalisation préférentielle d'un dispositif d'interconnexion selon l'invention et illustrant le procédé selon l'invention.

  • Figure 1 montre en perspective une pince de connexion d'un dispositif selon l'invention,
  • Figure 2 montre à échelle réduite en perspective éclatée un dispositif d'interconnexion selon l'invention,
  • Figure 3 montre le dispositif de la figure 2 en position montée,
  • Figure 4 est une vue en perspective éclatée montrant deux pinces telles que celles représentées à la figure 1 avec deux bornes de raccordement correspondantes,
  • Figure 5 montre les mêmes éléments que la figure précédente mais en position montée,
  • Figure 6 est une vue en coupe à échelle agrandie selon la ligne de coupe VI-VI de la figure 5, l'ensemble représenté sur la figure 5 étant monté dans un boítier isolant, et
  • Figure 7 est une vue en coupe selon la ligne VII-VII de la figure 6.
    • In any case, the invention will be clearly understood with the aid of the description which follows, with reference to the appended schematic drawing, representing by way of nonlimiting example a preferred embodiment of an interconnection device according to invention and illustrating the method according to the invention.
  • FIG. 1 shows in perspective a connection clamp of a device according to the invention,
  • FIG. 2 shows on a reduced scale in exploded perspective an interconnection device according to the invention,
  • Figure 3 shows the device of Figure 2 in the mounted position,
  • FIG. 4 is an exploded perspective view showing two clamps such as those shown in FIG. 1 with two corresponding connection terminals,
  • Figure 5 shows the same elements as the previous figure but in the assembled position,
  • Figure 6 is a sectional view on an enlarged scale along the section line VI-VI of Figure 5, the assembly shown in Figure 5 being mounted in an insulating housing, and
  • Figure 7 is a sectional view along line VII-VII of Figure 6.

    • Le dispositif d'interconnexion selon l'invention représenté sur la figure 2 est constitué de deux pièces distinctes : un peigne d'interconnexion 2 et un chapeau 4 isolant.The interconnection device according to the invention shown in the Figure 2 consists of two separate parts: a comb interconnection 2 and an insulating cap 4.

    Le peigne d'interconnexion 2 est une succession de pinces 6 telles que représentées sur la figure 1. Ce peigne 2 est réalisé à partir d'une bande métallique, par exemple en alliage de cuivre étamé, découpée et pliée.The interconnection comb 2 is a succession of pliers 6 as shown in Figure 1. This comb 2 is made from a metal strip, for example of tinned copper alloy, cut and folded.

    Le peigne d'interconnexion 2 présente une barrette de liaison 8, des fiches 10 qui deux à deux forment une pince 6, ainsi que des dents 12.The interconnection comb 2 has a connecting bar 8, plugs 10 which two by two form a clamp 6, as well as teeth 12.

    La barrette de liaison 8 s'étend dans un plan appelé ci-après plan horizontal. Les fiches 10 s'étendent toutes du même côté de ce plan horizontal dans une direction générale perpendiculaire à ce plan et appelée direction verticale. On considérera que les fiches 10 s'étendent verticalement vers le bas. Les fiches 10 s'étendent chacune à partir d'un bord longitudinal 14 de la barrette de liaison 8. A chaque fiche 10 correspond une seconde fiche 10 qui forme avec cette première une pince 6. Les deux fiches 10 se font face et la seconde fiche 10 part du bord longitudinal opposé au bord longitudinal à partir duquel s'étend la première fiche 10.The connecting bar 8 extends in a plane hereinafter called horizontal plane. Sheets 10 all extend on the same side of this plane horizontal in a general direction perpendicular to this plane and called vertical direction. We will consider that the sheets 10 extend vertically down. Sheets 10 each extend from a longitudinal edge 14 of the connecting bar 8. At each plug 10 corresponds a second plug 10 which forms with this first a clamp 6. The two cards 10 face each other and the second card 10 leaves the edge longitudinal opposite to the longitudinal edge from which the first extends file 10.

    Entre deux fiches 10 s'étendant à partir d'un même bord longitudinal 14 de la barrette de liaison 8, se trouve à chaque fois une dent 12. Cette dernière part également du bord longitudinal 14 mais s'étend dans le plan horizontal. La forme de la barrette de liaison 8 avec les dents 12 rappelle ainsi la forme d'une succession de H placés les uns à côtés des autres.Between two sheets 10 extending from the same edge longitudinal 14 of the connecting bar 8, is each time a tooth 12. The latter also starts from the longitudinal edge 14 but extends in the horizontal plane. The shape of the connecting bar 8 with the teeth 12 thus recalls the shape of a succession of H placed next to the other.

    Le chapeau isolant 4 est réalisé en matière synthétique isolante électriquement. Il s'agit d'un profilé extrudé présentant une face plane 16 destinée à venir recouvrir la barrette de liaison 8 et les dents 12. Les bords longitudinaux de la face plane 16 présentent des retours 18 destinés à venir saisir par le bas l'extrémité libre des dents 12. Ce profilé peut ainsi venir coulisser sur le peigne d'interconnexion au niveau de la barrette de liaison 8 et des dents 12.The insulating cap 4 is made of insulating synthetic material electrically. It is an extruded profile having a flat face 16 intended to cover the connecting bar 8 and the teeth 12. The edges longitudinal of the flat face 16 have returns 18 intended for come and grasp the free end of the teeth 12 from below. This profile can thus slide on the interconnection comb at the level of the connection 8 and teeth 12.

    Comme indiqué ci-dessus, chaque fiche 10 s'étend perpendiculairement à la barrette de liaison 8 à partir d'un bord longitudinal 14 de celle-ci. A partir du bord longitudinal 14, chaque fiche 10 présente une face de guidage 20, un rétrécissement 22, une zone formant mâchoire 24 ainsi qu'une extrémité recourbée 26 (figure 6).As indicated above, each sheet 10 extends perpendicular to the connecting strip 8 from a longitudinal edge 14 thereof. From the longitudinal edge 14, each sheet 10 has a guide face 20, a narrowing 22, a jaw region 24 as well as a curved end 26 (Figure 6).

    La face de guidage 20 est une face plane s'étendant perpendiculairement à la barrette de liaison 8 et au plan horizontal. Un bossage 28 est prévu dans le plan de la face de guidage 20 sur un bord de celle-ci.The guide face 20 is a flat face extending perpendicular to the connecting bar 8 and to the horizontal plane. A boss 28 is provided in the plane of the guide face 20 on an edge of this one.

    Le rétrécissement 22 se trouve dans un plan incliné par rapport à la face de guidage 20. Il s'étend vers la seconde fiche 10 formant avec la fiche décrite ici une pince 6. Cette zone de rétrécissement 22 présente une largeur moindre par rapport à la face de guidage 20.The constriction 22 is in an inclined plane relative to to the guide face 20. It extends towards the second plug 10 forming with the sheet described here a clamp 6. This narrowing zone 22 has a less width compared to the guide face 20.

    La zone formant mâchoire 24 forme un angle de quelques degrés avec la perpendiculaire au plan horizontal de telle manière que les deux zones formant mâchoire 24 se faisant face se rapprochent l'une de l'autre en s'éloignant de la barrette de liaison 8.The jaw region 24 forms an angle of a few degrees with the perpendicular to the horizontal plane so that the two jaw-forming zones 24 facing each other approach one of the other by moving away from the connection bar 8.

    Enfin, l'extrémité 26 de la zone formant mâchoire 24 est recourbée vers l'extérieur, c'est-à-dire en s'éloignant de l'autre fiche de la pince.Finally, the end 26 of the jaw region 24 is curved outward, that is, away from the other plug of the pliers.

    Les deux zones formant mâchoire 24 sont destinées à venir prendre en sandwich une pièce conductrice à interconnecter.The two jaw areas 24 are intended to come sandwich a conductive part to be interconnected.

    La figure 4 montre un dispositif d'interconnexion tel que celui décrit ci-dessus ainsi que deux pièces de connexion 30 à relier électriquement. Ces pièces de connexion 30 reprennent les caractéristiques, en ce qui concerne leur forme, de pièces de connexion déjà connues par des brevets de l'art antérieur comme par exemple le document EP-0 247 360 ou EP-0 265 321.Figure 4 shows an interconnection device such as that described above as well as two connection pieces 30 to be connected electrically. These connection pieces 30 include the characteristics, with regard to their shape, of connecting pieces already known by patents of the prior art such as for example the document EP-0 247 360 or EP-0 265 321.

    Chaque pièce 30 comporte une fente 32 de dénudage et de retenue qui est rectiligne et parallèle à l'axe longitudinal de la pièce de connexion 30 profilée. Elle est par exemple obtenue à partir d'un flanc plan par matriçage entraínant une découpe, puis pliage et éventuellement réalisation d'amincissements localisés.Each piece 30 has a stripping and stripping slot 32 retainer which is straight and parallel to the longitudinal axis of the workpiece 30 profiled connection. It is for example obtained from a flat side by stamping resulting in cutting, then folding and possibly localized thinning.

    La pièce de connexion 30 présente ici une section transversale polygonale creuse qui correspond à un U comportant une base 34 et deux branches 36 dont les extrémités libres ont été obliquement et également repliées l'une vers l'autre. L'extrémité libre de chaque partie repliée 38 forme un bord de la fente de dénudage et de retenue 32. Ces parties 38 sont éventuellement amincies graduellement vers la fente 32.The connecting piece 30 here has a cross section hollow polygon which corresponds to a U with a base 34 and two branches 36 whose free ends have been obliquely and also folded towards each other. The free end of each folded part 38 forms an edge of the stripping and retaining slot 32. These parts 38 are eventually gradually thinned towards the slot 32.

    La fente de dénudage et de retenue 32 présente à l'une de ses extrémités une embouchure dénudante 40. Cette dernière est obtenue par découpe oblique symétrique des parties repliées 38 à leurs extrémités. Cette découpe oblique permet d'obtenir une embouchure évasée dont les bords forment une arête permettant d'entamer une gaine d'un fil poussé dans l'embouchure.The stripping and retaining slot 32 presents at one of its ends a stripped mouth 40. The latter is obtained by symmetrical oblique cutout of the folded parts 38 at their ends. This oblique cut makes it possible to obtain a flared mouthpiece, the edges form an edge allowing to start a sheath of a pushed wire in the mouth.

    Comme on le voit notamment sur la figure 5, le contact électrique entre une fiche 10 et une pièce de connexion 30 se fait au niveau des bords de la fente 32, du côté de l'embouchure 40, dans une zone de la fente 32 destinée à réaliser la retenue d'un fil électrique à connecter. Une zone formant mâchoire 24 de la fiche 10 se trouve alors à l'intérieur du profilé de section polygonale creuse tandis que la zone formant mâchoire 24 de la fiche 10 qui lui est associée se trouve à l'extérieur de ce profilé. La présence des extrémités recourbées 26 sur les fiches 10 permet de faciliter l'écartement des fiches 10 qui est provoqué lorsque le contact entre la fiche 10 et la pièce de connexion 30 s'établit.As can be seen in particular in FIG. 5, the contact between a plug 10 and a connection piece 30 is made at level of the edges of the slot 32, on the side of the mouth 40, in a zone of the slot 32 intended to carry out the retention of an electric wire to connect. A jaw region 24 of the plug 10 is then located at the interior of the hollow polygonal section profile while the area forming jaw 24 of the card 10 which is associated therewith is the outside of this profile. The presence of the curved ends 26 on the plugs 10 facilitates the spacing of the plugs 10 which is caused when the contact between the plug 10 and the connection piece 30 is established.

    Les figures 6 et 7 montrent les pièces de connexion 30 des figures 4 et 5 en place dans un boítier isolant 42 d'un bloc de jonction. Ce dernier correspond à un bloc de jonction tel que décrit dans le brevet européen n° 0 265 321. Ce boítier 42 comporte un orifice d'introduction 44 destiné au passage d'une lame d'un outil extérieur permettant de réaliser la connexion d'un fil au niveau de la pièce de connexion 30. Cet orifice d'introduction 44 est doté de rebords d'accrochage 46 destinés à recevoir des éléments mobiles de fixation portés par l'extrémité d'outil comme décrit dans le brevet EP-0 265 321.Figures 6 and 7 show the connection pieces 30 of the Figures 4 and 5 in place in an insulating housing 42 of a terminal block. This last corresponds to a terminal block as described in the patent European No. 0 265 321. This housing 42 has an insertion opening 44 intended for the passage of a blade of an external tool making it possible to make the connection of a wire at the connection piece 30. This introduction port 44 is provided with hooking edges 46 intended for receive movable fastening elements carried by the tool end as described in patent EP-0 265 321.

    Les pinces 6 du peigne d'interconnexion 2 passe à travers l'orifice d'introduction 44 pour réaliser la liaison électrique entre deux pièces de connexion 30 voisines.The pliers 6 of the interconnection comb 2 passes through the introduction orifice 44 for making the electrical connection between two 30 connecting parts nearby.

    La largeur de la face de guidage 20 de chaque fiche 10 ainsi que l'espacement entre deux fiches 10 d'une pince 6, espacement qui correspond sensiblement à la largeur de la barrette de liaison 8, sont adaptés à cet orifice d'introduction 44 afin de permettre un bon guidage de la pince 6 lors d'une connexion. Le bossage 28 de chaque face de guidage 20 est placé de telle sorte que, lorsque la connexion entre la fiche 10 et la pièce de connexion 30 correspondante est réalisée, le bossage 28 vienne prendre place juste en dessous du rebord d'accrochage 46. Ceci permet alors le maintien en place du peigne d'interconnexion 2 sur le bloc de jonction.The width of the guide face 20 of each plug 10 as well that the spacing between two plugs 10 of pliers 6, spacing which substantially corresponds to the width of the connecting bar 8, are adapted to this introduction orifice 44 in order to allow good guidance of the clamp 6 during a connection. The boss 28 of each guide face 20 is placed so that when the connection between the plug 10 and the corresponding connecting piece 30 is made, the boss 28 comes take place just below the hanging edge 46. This allows then maintaining the interconnection comb 2 in place on the block junction.

    Le dispositif d'interconnexion décrit ci-dessus est particulièrement simple à réaliser. En effet, les opérations de découpe et de pliage sont des opérations automatisables et couramment utilisées. Le fait d'avoir un chapeau isolant 4 venant s'enfiler sur le peigne d'interconnexion facilite également la réalisation du dispositif d'interconnexion.The interconnection device described above is particularly simple to make. Indeed, the cutting and folding are automated and commonly used operations. The fact to have an insulating cap 4 threading on the interconnection comb also facilitates the production of the interconnection device.

    Pour adapter la taille du dispositif d'interconnexion selon l'invention aux besoins de l'utilisateur, il est possible de prévoir une prédécoupe au niveau des dents 12. A partir d'un long dispositif d'interconnexion, on peut alors réaliser un dispositif d'interconnexion de la taille choisie et présentant autant de pinces 6 qu'il y a de blocs de jonction à connecter.To adapt the size of the interconnection device according to the invention to the needs of the user, it is possible to provide a pre-cut on teeth 12. From a long device interconnection, we can then realize an interconnection device of the chosen size and having as many clamps 6 as there are terminal blocks to connect.

    Un autre avantage du dispositif d'interconnexion décrit ci-dessus est qu'il peut venir prendre place sur des blocs de jonction qui ne présentent pas de structure particulière destinée à recevoir un peigne d'interconnexion. En effet, le dispositif décrit vient se connecter au niveau d'un orifice ayant pour fonction première le passage d'un outil permettant de réaliser la connexion d'un fil à la pièce de connexion se trouvant à l'intérieur du bloc de jonction.Another advantage of the interconnection device described above is that it can come and take place on terminal blocks which have no particular structure intended to receive a comb interconnection. Indeed, the device described comes to connect at the level an orifice whose primary function is the passage of a tool allowing to connect a wire to the connection piece located at inside the terminal block.

    Comme il va de soi, l'invention ne se limite pas à la forme de réalisation préférentielle de l'invention décrite ci-dessus à titre d'exemple non limitatif ; elle en embrasse au contraire toutes les variantes dans le cadre des revendications ci-après.It goes without saying that the invention is not limited to the form of preferential embodiment of the invention described above by way of example not limiting; on the contrary, it embraces all its variants in the The scope of the claims below.

    Claims (9)

    Procédé d'interconnexion de bornes de raccordement présentant une fente de dénudage et de retenue, à l'aide d'un peigne d'interconnexion comportant une barrette de liaison (8) à partir de laquelle s'étendent des fiches de contact (10), caractérisé en ce que l'extrémité libre des fiches de contact forme une pince (6), et en ce que l'interconnexion entre deux bornes de raccordement est réalisée en venant pincer à l'aide de l'extrémité de deux fiches de contact (10) les bords des fentes de dénudage et de retenue correspondantes.Method for interconnecting connection terminals having a stripping and retaining slot, using a comb interconnection device comprising a connecting strip (8) from which extend from the contact plugs (10), characterized in that the end free contact plugs form a clamp (6), and in that the interconnection between two connection terminals is made by coming pinch with the end of two contact plugs (10) the edges of the corresponding stripping and retaining slots. Procédé d'interconnexion selon la revendication 1, caractérisé en ce que le pincement est réalisé à l'extrémité de la zone de la fente de dénudage et de retenue (32) destinée à assurer la retenue d'un fil à connecter, extrémité se trouvant du côté duquel se fait l'introduction dans la fente du fil à connecter.Interconnection method according to claim 1, characterized in that the pinching is carried out at the end of the area of the slot stripping and retaining (32) for retaining a wire to connect, end located on the side of which the introduction is made into the slot of the wire to be connected. Dispositif d'interconnexion de bornes de raccordement comportant une barrette de liaison (8) à partir de laquelle s'étendent des fiches de contact (10), caractérisé en ce que la barrette de liaison (8) s'étend dans un plan perpendiculaire à la direction d'extension des fiches (10), en ce que, au niveau de chaque borne de raccordement, s'étend à partir des deux bords longitudinaux (14) opposés de la barrette de liaison (8) à chaque fois une fiche de connexion (10), et en ce que deux fiches de connexion (10) se faisant face forment une pince (6).Connection terminal interconnection device comprising a connecting bar (8) from which extend contact plugs (10), characterized in that the connecting strip (8) extends in a plane perpendicular to the direction of extension of the plugs (10), in that, at each connection terminal, extends to from the two opposite longitudinal edges (14) of the connecting bar (8) each time a connection plug (10), and in that two plugs connection (10) facing each other form a clamp (6). Dispositif d'interconnexion selon la revendication 3, caractérisé en ce que dans le plan de la barrette de liaison (8), sur chaque bord longitudinal (14) de la barrette (8), entre deux fiches (10), s'étend à chaque fois une dent (12).Interconnection device according to claim 3, characterized in that in the plane of the connecting bar (8), on each longitudinal edge (14) of the bar (8), between two sheets (10), extends to each time a tooth (12). Dispositif d'interconnexion selon la revendication 4, caractérisé en ce qu'il comporte également une protection isolante formée par un profilé extrudé (4) en matière synthétique isolante venant s'enfiler sur les dents (12) des deux bords longitudinaux (14) opposés de la barrette de liaison (8).Interconnection device according to claim 4, characterized in that it also comprises an insulating protection formed by an extruded profile (4) made of insulating synthetic material coming from on the teeth (12) of the two opposite longitudinal edges (14) of the bar connection (8). Dispositif d'interconnexion selon l'une des revendications 3 à 5, destiné à venir interconnecter des bornes de raccordement à fente de dénudage et de retenue (32) placées chacune dans un boítier isolant (42) présentant une ouverture (44) pour permettre le passage et le guidage en translation d'un outil extérieur prévu pour enfoncer un fil entre des plis délimitant les bords de la fente de dénudage et de retenue (32), caractérisé en ce que du côté de la barrette de liaison (8), les fiches (10) sont espacées l'une de l'autre et présentent une largeur telle qu'elles sont guidées par l'ouverture (44) prévue pour le passage et le guidage de l'outil extérieur et en ce que du côté de leur extrémité libre les fiches (10), en position de connexion, se placent de part et d'autre des plis délimitant les bords de la fente de dénudage et de retenue (32).Interconnection device according to one of claims 3 to 5, intended to interconnect slotted connection terminals of stripping and retaining (32) each placed in an insulating housing (42) having an opening (44) to allow passage and guidance translation of an external tool intended to drive a wire between folds delimiting the edges of the stripping and retaining slot (32), characterized in that on the side of the connecting bar (8), the plugs (10) are spaced from each other and have a width such that they are guided by the opening (44) provided for the passage and the guiding of the tool outside and in that on the side of their free end the plugs (10), in connection position, are placed on either side of the folds defining the edges of the stripping and retaining slot (32). Dispositif d'interconnexion selon la revendication 6, destiné à venir interconnecter des bornes de raccordement à fente de dénudage et de retenue (32) placées chacune dans un boítier isolant (42) présentant une ouverture (44) pour permettre le passage et le guidage en translation d'un outil extérieur prévu pour enfoncer un fil entre des plis délimitant les bords de la fente de dénudage et de retenue (32), le boítier isolant (42) présentant un rebord (46) destiné à recevoir une saillie d'accrochage de l'outil extérieur, caractérisé en ce que chaque fiche (10) présente un bossage (28) destiné à venir prendre place dans le rebord d'accrochage (46) en position de connexion de la fiche (10).Interconnection device according to claim 6, intended for interconnect the stripping slot connection terminals and retainers (32) each placed in an insulating housing (42) having a opening (44) to allow passage and guiding in translation of a external tool intended to drive a wire between folds delimiting the edges of the stripping and retaining slot (32), the insulating housing (42) having a flange (46) intended to receive a hooking projection of the external tool, characterized in that each plug (10) has a boss (28) intended to take place in the hooking rim (46) in the plug connection position (10). Dispositif d'interconnexion selon l'une des revendications 3 à 7, caractérisé en ce qu'il est réalisé par découpe et pliage d'une bande métallique.Interconnection device according to one of claims 3 to 7, characterized in that it is produced by cutting and folding a strip metallic. Dispositif d'interconnexion selon l'une des revendications 3 à 8, caractérisé en ce que des prédécoupes sont prévues sur la barrette de liaison.Interconnection device according to one of claims 3 to 8, characterized in that pre-cuts are provided on the strip liaison.
    EP00420066A 1999-04-12 2000-04-05 Terminal interconnection process and device Expired - Lifetime EP1045491B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9904683A FR2792118B1 (en) 1999-04-12 1999-04-12 METHOD AND DEVICE FOR INTERCONNECTING TERMINALS
    FR9904683 1999-04-12

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    EP1045491A1 true EP1045491A1 (en) 2000-10-18
    EP1045491B1 EP1045491B1 (en) 2008-01-23

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    EP (1) EP1045491B1 (en)
    DE (1) DE60037848T2 (en)
    ES (1) ES2298124T3 (en)
    FR (1) FR2792118B1 (en)

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    Publication number Publication date
    FR2792118B1 (en) 2001-06-01
    EP1045491B1 (en) 2008-01-23
    FR2792118A1 (en) 2000-10-13
    DE60037848T2 (en) 2009-01-22
    ES2298124T3 (en) 2008-05-16
    DE60037848D1 (en) 2008-03-13
    US6402548B1 (en) 2002-06-11

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