EP2166620B1 - Electric connection - Google Patents

Electric connection Download PDF

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Publication number
EP2166620B1
EP2166620B1 EP09170907.1A EP09170907A EP2166620B1 EP 2166620 B1 EP2166620 B1 EP 2166620B1 EP 09170907 A EP09170907 A EP 09170907A EP 2166620 B1 EP2166620 B1 EP 2166620B1
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EP
European Patent Office
Prior art keywords
window
electrical connector
tool
spring
channel
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.)
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Application number
EP09170907.1A
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German (de)
French (fr)
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EP2166620A1 (en
Inventor
Jacques Bachelot
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Integration Technique et Cablage (ITEC)
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Integration Technique et Cablage (ITEC)
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Publication of EP2166620A1 publication Critical patent/EP2166620A1/en
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Publication of EP2166620B1 publication Critical patent/EP2166620B1/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
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4811—Spring details
    • H01R4/4816—Spring details the spring shape preventing insertion of the conductor end when the spring is unbiased
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/483—Pivoting arrangements, e.g. lever pushing on the spring

Definitions

  • the present invention relates to an electrical connector.
  • An electrical connector comprising a housing made of electrically insulating material inside which an electrical connection is made between an electrical conductor and a pinch spring made of an electrically conductive material.
  • the pinch spring is in the form of a closed loop, one end of which can be operated by a technician to release a window through which the electrical conductor is introduced.
  • the release maneuver is performed by inserting a tool against a wall of the pinch spring.
  • the pinch spring is thus deformed and the window opens to allow insertion of the electrical conductor.
  • the tool is then removed allowing the return of the pinch spring to its starting position with the electrical conductor pinched in the window.
  • the tool used is generally a screwdriver, that is to say an electrically conductive tool, and if the technician is not careful, the insertion can be performed while the pinch spring and / or the electrical conductor are under voltage. The contact between the tool and the pinch spring may cause an electric shock to the technician.
  • the document DE-U-94 14 939 discloses an electrical connector of this type which has a first tongue on which a user comes to press via a tool and a second tongue that the user actuates with the tool to actuate the pinch spring.
  • Such a connector thus comprises two movable tongues and in particular the second tongue is mounted in such a way that it is possible for the tool to come into contact with it and possibly move between said second tongue and the pinch spring.
  • DE 198 17 925 A1 discloses an electrical connector according to the preamble of claim 1.
  • An object of the present invention is to provide an electrical connector which does not have the disadvantages of the prior art and which in particular allows easy and secure handling for a technician.
  • the electrical connector comprises a positioning channel emerging vis-à-vis the window when the pinch spring is in the operating position.
  • the depth of the positioning channel is less than the length of the stripped end.
  • the electrical connector comprises a bus having an outgrowth sandwiched between said edge of the window and said end, in the rest position.
  • the pinch spring has in the vicinity of the partition wall a recess inwardly of the loop.
  • the pinch spring consists of a spring steel sheet whose two ends are substantially flat and connected by two circular arcs, one end is pierced with said window, and the other end is inserted. in said window.
  • the pressure zone is one of the arcs of a circle.
  • the Fig. 1 , the Fig. 2 and the Fig. 3 show an electrical connector 100 for receiving the stripped end 206 of an electrical conductor 204 ( Fig. 2 ).
  • the Fig. 1 shows the electrical connector 100 when the electrical conductor 204 is not in place
  • the Fig. 2 shows the electrical connector 100 when the electrical conductor 204 is being put in place
  • the Fig. 3 shows the electrical connector 100 when the stripped end 206 of the electrical conductor 204 is in place.
  • the housing 102 is pierced with a positioning channel 128 intended to allow the passage of the electrical conductor 204 and an actuating channel 126 for allowing the insertion of a tool 202.
  • the positioning channel 128 and the channel actuators 126 are substantially parallel to each other and their common orientation defines an insertion direction 150 for the conductor 204 and the tool 202.
  • the electrical connector 100 also comprises a bus 104 made of electrically conductive material whose one end is intended to be electrically connected to a mains conductor, said conductor of the supporting sector is a phase, the neutral.
  • the bus 104 has a wall 106 which extends in a plane parallel to the insertion direction 150 from a base and which itself has an outgrowth 108 which extends in this same plane from the top of the wall 106.
  • the housing 102 comprises a hollow cavity in which the pinch spring 110 and the bus 104 are housed.
  • the housing 102 comprises a stud 122 around which the pinch spring 110 is engaged in order to be held in position.
  • the housing 102 is closed by a not shown cover which covers the impression so as to avoid the accidental removal of the pinch spring 110 and the bus 104.
  • the pinch spring 110 forms a loop and has a window 112.
  • the pinch spring 110 is provided to assume a rest position ( Fig. 1 ) in which one of the edges of the window 112 abuts (here via the protrusion 108) against one of the ends 138 of said pinch spring 110 and a maneuvering position ( Fig. 2 ) in which said edge of the window 112 is not in abutment against said end 138 and in which the stripped end 206 of the electrical conductor 204 can be introduced into the window 112, the transition from the rest position to the operation is effected by pressure on a pressure zone 118 of the loop.
  • the pinch spring 110 is made of a spring steel sheet shaped as a closed loop.
  • the two ends 136 and 138 of the sheet are substantially flat and are connected by two circular arcs 116 and 118.
  • One of the ends (here the end referenced 136) is substantially perpendicular to the insertion direction 150 and is pierced by said window 112 which extends in the depth of the sheet, that is to say perpendicularly to the plane of the sheet.
  • the other end (here referenced end 138) is substantially parallel to the insertion direction 150 and has a reduction which allows its insertion into said window 112 so as to form the loop.
  • the protrusion 108 is sandwiched between the left edge of the window 112 and the end 138 to provide electrical continuity. But in another embodiment, the protrusion 108 may be absent.
  • the positioning channel 128 opens out towards the end 136.
  • the actuating channel 126 emerges opposite the arc 118 which constitutes, in the embodiment shown, the pressure zone.
  • the actuating channel 126 opens substantially tangentially to the pressure zone 118.
  • the housing 102 comprises a locking housing 130 consisting of a hollow delimited by walls.
  • a partition wall 124 is disposed between the housing 130 and the pinch spring 110 extends parallel to the insertion direction.
  • the housing 102 comprises a protection tab 132 made of electrically insulating material which can be integral with the housing 102 and which is movable.
  • the protective tongue 132 may also be an insert mounted movably in the housing 102.
  • the movement of the protective tongue 132 may be likened to a rotation about an axis of rotation 134.
  • the free end of the protective tongue 132 is positioned vis-à-vis the opening of the actuating channel 126 against the arc 118, that is to say the pressure zone.
  • the pinch spring 110 is manipulated by applying a force to the arc of circle referenced 118.
  • Fig. 1 shows the electrical connector 100 when the pinch spring 110 is not maneuvered
  • the Fig. 2 shows the electrical connector 100 when the pinch spring 110 is operated using a tool 202 which is inserted into the actuating channel 126
  • the Fig. 3 shows the electrical connector 100 when the pinch spring 110 is no longer maneuvered and the stripped end 206 of the conductor 204 is inserted into the window 112.
  • the end of the tool 202 presses on the protection tab 132 whose end free is arranged to be interposed between the end of the tool 202 and the arc 118 of the pinch spring 110, thus isolating the tool 202 and thus avoiding any electrical discharge to the technician.
  • the protection tab 132 generates a force on the circular arc 118 which causes the sheet to bend at the level of the arc 116 and a displacement of the window 112.
  • the left edge of the window 112 then comes off.
  • the protrusion 108 and the end 138 is found against the right edge of the window 112.
  • the window 112 is positioned so that the positioning channel 128 opens out opposite the window 112.
  • the technician can then introduce the conductor 204 whose stripped end 206 is housed in the window 112 between its left edge and the protrusion 108.
  • the free end of the tool 202 is housed in the locking housing 130, thus avoiding any movement of the tool 202 due to the rigidity of the partition wall 124.
  • the protection tab 132 is shaped to extend to the partition wall 124 when the end of the tool 202 is housed in the locking housing 130, so the technician is completely safe. It is said that the protective tongue 132 extends to the partition wall 124, when the space between the free end of the protection tongue 132 and the top of the partition wall 124 is such that the passage of the end of the tool 202 in this space is impossible. Thus the user is protected and the protection tab 132 can not be separated from the pinch spring 110 by the introduction of the tool 202.
  • the removal of the tool 202 causes the release of the arc 118 and the protection tab 132.
  • the left edge of the window 112 tends to return to its initial position and thus stuck the stripped end 206 of the conductor 204 against outgrowth 108.
  • the pinch spring 110 has in the vicinity of the partition wall 124 a recess 120 inwardly of the loop. In the embodiment shown, this depression 120 is formed at the junction zone between the two circular arcs 116 and 118 of the pinch spring 110.
  • the Fig. 4 shows a use of the invention in the case of an electrical power distribution device 400.
  • a power distribution device 400 allows to connect a row of modular devices such as circuit breakers, differential switches, etc..
  • the distribution device 400 comprises a housing having rows 402a-402e and a set of buses arranged parallel to each other, each being housed in one of the rows 402a-402e and constituting a power bar.
  • the distribution device 400 is electrically powered by a power supply cable comprising a phase-supporting supply conductor and a supply conductor supporting each electrical phase.
  • the distribution device 400 comprises, for each supply conductor, connection means 404a-404e intended to allow the connection of said connection means 404a-404e to the corresponding supply conductor.
  • Each bus is electrically connected to a connecting means 404a-404e so as to distribute along this bus, the phase or the corresponding neutral.
  • each row 402a-402e of the housing is pierced, for each bus, with a plurality of positioning channels 128 for insertion and fixing of a connecting conductor, and thus the electrical connection of said connecting conductor to the considered bus.
  • Each connecting conductor is also electrically connected to one of the terminals of one of the modular devices.
  • Each actuating channel 128 is associated with an actuating channel 126.
  • a technician wishing to add or remove a connecting conductor from one of the positioning channels 128 may introduce a tool 202 into the associated actuation channel 126 and, after actuation of the protective tab 132, it can freely and safely introduce or remove the corresponding connecting conductor, without the need to cut off the power supply to the distribution device 400 and therefore all modular devices that are connected to it.
  • the depth of the positioning channel 128 in the insertion direction 150 is less than the length of the stripping end. the bare end 206.

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  • Connector Housings Or Holding Contact Members (AREA)

Description

La présente invention concerne un connecteur électrique.The present invention relates to an electrical connector.

On connaît un connecteur électrique comprenant un boîtier en matériau électriquement isolant à l'intérieur duquel une connexion électrique est réalisée entre un conducteur électrique et un ressort à pincement réalisé dans un matériau électriquement conducteur.An electrical connector is known comprising a housing made of electrically insulating material inside which an electrical connection is made between an electrical conductor and a pinch spring made of an electrically conductive material.

Le ressort à pincement se présente sous la forme d'une boucle fermée dont l'une des extrémités peut être manoeuvrée par un technicien de manière à libérer une fenêtre à travers laquelle le conducteur électrique est introduit.The pinch spring is in the form of a closed loop, one end of which can be operated by a technician to release a window through which the electrical conductor is introduced.

La manoeuvre de libération est effectuée par insertion d'un outil contre une paroi du ressort à pincement. Le ressort à pincement est ainsi déformé et la fenêtre s'ouvre pour permettre l'insertion du conducteur électrique.The release maneuver is performed by inserting a tool against a wall of the pinch spring. The pinch spring is thus deformed and the window opens to allow insertion of the electrical conductor.

L'outil est alors retiré permettant le retour du ressort à pincement vers sa position de départ avec le conducteur électrique pincé dans la fenêtre.The tool is then removed allowing the return of the pinch spring to its starting position with the electrical conductor pinched in the window.

L'outil utilisé est généralement un tournevis, c'est-à-dire un outil électriquement conducteur, et si le technicien ne prend pas garde, l'insertion peut être effectuée tandis que le ressort à pincement et/ou le conducteur électrique sont sous tension. Le contact entre l'outil et le ressort à pincement peut entraîner l'apparition d'une décharge électrique vers le technicien.The tool used is generally a screwdriver, that is to say an electrically conductive tool, and if the technician is not careful, the insertion can be performed while the pinch spring and / or the electrical conductor are under voltage. The contact between the tool and the pinch spring may cause an electric shock to the technician.

Le document DE-U-94 14 939 divulgue un connecteur électrique de ce type qui comporte une première languette sur laquelle un utilisateur vient appuyer par l'intermédiaire d'un outil et une deuxième languette que l'utilisateur actionne avec l'outil pour actionner le ressort à pincement.The document DE-U-94 14 939 discloses an electrical connector of this type which has a first tongue on which a user comes to press via a tool and a second tongue that the user actuates with the tool to actuate the pinch spring.

Un tel connecteur comporte donc deux languettes mobiles et en particulier la deuxième languette est montée d'une manière telle qu'il est possible que l'outil vienne l'heurter et éventuellement vienne se placer entre ladite deuxième languette et le ressort à pincement. DE 198 17 925 A1 décrit un connecteur électrique selon le préambule de la revendication 1. Un objet de la présente invention est de proposer un connecteur électrique qui ne présente pas les inconvénients de l'art antérieur et qui en particulier permet une manipulation aisée et sécurisée pour un technicien.Such a connector thus comprises two movable tongues and in particular the second tongue is mounted in such a way that it is possible for the tool to come into contact with it and possibly move between said second tongue and the pinch spring. DE 198 17 925 A1 discloses an electrical connector according to the preamble of claim 1. An object of the present invention is to provide an electrical connector which does not have the disadvantages of the prior art and which in particular allows easy and secure handling for a technician.

A cet effet, est proposé un connecteur électrique pour connecter l'extrémité dénudée d'un conducteur électrique, ledit connecteur électrique comprenant :

  • un boîtier réalisé en matériau électriquement isolant,
  • un ressort à pincement réalisé en matériau électriquement conducteur et logé dans le boîtier, le ressort à pincement formant une boucle et présentant une fenêtre, le ressort à pincement étant prévu pour prendre une position de repos dans laquelle l'un des bords de la fenêtre est en appui contre l'une des extrémités dudit ressort à pincement et une position de manoeuvre dans laquelle ledit bord de la fenêtre n'est pas en appui contre ladite extrémité et dans laquelle ladite extrémité dénudée peut être introduite dans la fenêtre, le passage de la position de repos à la position de manoeuvre s'effectuant par pression sur une zone de pression de ladite boucle, et
  • une languette de protection réalisée en matériau électriquement isolant et montée mobile dans le boîtier,
le boîtier étant percé d'un canal d'actionnement débouchant de manière sensiblement tangentielle à ladite zone de pression et destiné à recevoir un outil,
le boîtier comprenant un logement de blocage disposé en vis-à-vis du canal d'actionnement et séparé du ressort à pincement par une paroi de séparation,
l'extrémité libre de ladite languette de protection étant disposée de manière à s'intercaler entre ladite zone de pression et l'extrémité de l'outil lors de son insertion dans le canal d'actionnement, l'extrémité libre de la languette de protection s'étendant jusqu'à la paroi de séparation lorsque l'extrémité de l'outil est logée dans le logement de blocage.For this purpose, there is provided an electrical connector for connecting the stripped end of an electrical conductor, said electrical connector comprising:
  • a housing made of electrically insulating material,
  • a pinch spring made of electrically conductive material and housed in the housing, the pinch spring forming a loop and having a window, the pinch spring being provided to assume a rest position in which one of the edges of the window is in abutment against one of the ends of said pinch spring and an operating position in which said edge of the window does not bear against said end and in which said stripped end can be inserted into the window, the passage of the rest position at the operating position effected by pressing on a pressure zone of said loop, and
  • a protective tab made of electrically insulating material and mounted movably in the housing,
the housing being pierced with an actuating channel opening substantially tangentially to said pressure zone and intended to receive a tool,
the housing comprising a locking housing disposed opposite the actuating channel and separated from the pinch spring by a partition wall,
the free end of said protective tongue being arranged to be interposed between said pressure zone and the end of the tool during its insertion into the actuating channel, the free end of the protective tongue extending to the partition wall when the end of the tool is housed in the locking housing.

Avantageusement, le connecteur électrique comprend un canal de positionnement débouchant en vis-à-vis de la fenêtre lorsque le ressort à pincement est en position de manoeuvre.Advantageously, the electrical connector comprises a positioning channel emerging vis-à-vis the window when the pinch spring is in the operating position.

Avantageusement, la profondeur du canal de positionnement est inférieure à la longueur de l'extrémité dénudée.Advantageously, the depth of the positioning channel is less than the length of the stripped end.

Avantageusement, le connecteur électrique comprend un bus présentant une excroissance prise en sandwich entre ledit bord de la fenêtre et ladite extrémité, en position de repos.Advantageously, the electrical connector comprises a bus having an outgrowth sandwiched between said edge of the window and said end, in the rest position.

Avantageusement, le ressort à pincement présente au voisinage de la paroi de séparation un enfoncement vers l'intérieur de la boucle.Advantageously, the pinch spring has in the vicinity of the partition wall a recess inwardly of the loop.

Avantageusement, le ressort à pincement est constitué d'une tôle en acier à ressort dont les deux extrémités sont sensiblement planes et reliées par deux arcs de cercle, l'une des extrémités est percée de ladite fenêtre, et l'autre extrémité s'insère dans ladite fenêtre.Advantageously, the pinch spring consists of a spring steel sheet whose two ends are substantially flat and connected by two circular arcs, one end is pierced with said window, and the other end is inserted. in said window.

Avantageusement, la zone de pression est l'un des arcs de cercle.Advantageously, the pressure zone is one of the arcs of a circle.

Les caractéristiques de l'invention mentionnées ci-dessus, ainsi que d'autres, apparaîtront plus clairement à la lecture de la description suivante d'un exemple de réalisation, ladite description étant faite en relation avec les dessins joints, parmi lesquels :

  • la Fig. 1, la Fig. 2 et la Fig. 3 représentent un connecteur électrique selon l'invention, et
  • la Fig. 4 représente un dispositif de répartition de puissance électrique comprenant une pluralité de connecteurs électriques selon l'invention.
The characteristics of the invention mentioned above, as well as others, will appear more clearly on reading the following description of an exemplary embodiment, said description being given in relation to the attached drawings, among which:
  • the Fig. 1 , the Fig. 2 and the Fig. 3 represent an electrical connector according to the invention, and
  • the Fig. 4 represents an electrical power distribution device comprising a plurality of electrical connectors according to the invention.

La Fig. 1, la Fig. 2 et la Fig. 3 montrent un connecteur électrique 100 destiné à recevoir l'extrémité dénudée 206 d'un conducteur électrique 204 (Fig. 2). La Fig. 1 montre le connecteur électrique 100 lorsque le conducteur électrique 204 n'est pas en place, la Fig. 2 montre le connecteur électrique 100 lorsque le conducteur électrique 204 est en train d'être mis en place et la Fig. 3 montre le connecteur électrique 100 lorsque l'extrémité dénudée 206 du conducteur électrique 204 est en place.The Fig. 1 , the Fig. 2 and the Fig. 3 show an electrical connector 100 for receiving the stripped end 206 of an electrical conductor 204 ( Fig. 2 ). The Fig. 1 shows the electrical connector 100 when the electrical conductor 204 is not in place, the Fig. 2 shows the electrical connector 100 when the electrical conductor 204 is being put in place and the Fig. 3 shows the electrical connector 100 when the stripped end 206 of the electrical conductor 204 is in place.

Le connecteur électrique 100 comprend:

  • un boîtier 102 réalisé en matériau électriquement isolant, et
  • un ressort à pincement 110 réalisé en matériau électriquement conducteur et logé dans le boîtier 102.
The electrical connector 100 comprises:
  • a housing 102 made of electrically insulating material, and
  • a pinch spring 110 made of electrically conductive material and housed in the housing 102.

Le boîtier 102 est percé d'un canal de positionnement 128 destiné à permettre le passage du conducteur électrique 204 et d'un canal d'actionnement 126 destiné à permettre l'insertion d'un outil 202. Le canal de positionnement 128 et le canal d'actionnement 126 sont sensiblement parallèles l'un à l'autre et leur orientation commune définit une direction d'introduction 150 pour le conducteur 204 et l'outil 202.The housing 102 is pierced with a positioning channel 128 intended to allow the passage of the electrical conductor 204 and an actuating channel 126 for allowing the insertion of a tool 202. The positioning channel 128 and the channel actuators 126 are substantially parallel to each other and their common orientation defines an insertion direction 150 for the conductor 204 and the tool 202.

Dans le mode de réalisation de l'invention présenté ici, le connecteur électrique 100 comprend également un bus 104 en matériau électriquement conducteur dont l'une des extrémités est destinée à être électriquement connectée à un conducteur du secteur, ledit conducteur du secteur supportant soit une phase, soit le neutre. Le bus 104 présente une paroi 106 qui s'étend dans un plan parallèle à la direction d'introduction 150 depuis une base et qui présente elle-même une excroissance 108 qui s'étend dans ce même plan depuis le haut de la paroi 106.In the embodiment of the invention presented here, the electrical connector 100 also comprises a bus 104 made of electrically conductive material whose one end is intended to be electrically connected to a mains conductor, said conductor of the supporting sector is a phase, the neutral. The bus 104 has a wall 106 which extends in a plane parallel to the insertion direction 150 from a base and which itself has an outgrowth 108 which extends in this same plane from the top of the wall 106.

Le boîtier 102 comprend une empreinte creuse dans laquelle se loge le ressort à pincement 110 et le bus 104. En particulier, le boîtier 102 comprend un plot 122 autour duquel s'emmanche le ressort à pincement 110 pour être maintenu en position. Le boîtier 102 est fermé par un couvercle non représenté qui vient recouvrir l'empreinte de manière à éviter le retrait accidentel du ressort à pincement 110 et du bus 104.The housing 102 comprises a hollow cavity in which the pinch spring 110 and the bus 104 are housed. In particular, the housing 102 comprises a stud 122 around which the pinch spring 110 is engaged in order to be held in position. The housing 102 is closed by a not shown cover which covers the impression so as to avoid the accidental removal of the pinch spring 110 and the bus 104.

Le ressort à pincement 110 forme une boucle et présente une fenêtre 112. Le ressort à pincement 110 est prévu pour prendre une position de repos (Fig. 1) dans laquelle l'un des bords de la fenêtre 112 est en appui (ici par l'intermédiaire de l'excroissance 108) contre l'une des extrémités 138 dudit ressort à pincement 110 et une position de manoeuvre (Fig. 2) dans laquelle ledit bord de la fenêtre 112 n'est pas en appui contre ladite extrémité 138 et dans laquelle l'extrémité dénudée 206 du conducteur électrique 204 peut être introduite dans la fenêtre 112, le passage de la position de repos à la position de manoeuvre s'effectue par pression sur une zone de pression 118 de la boucle.The pinch spring 110 forms a loop and has a window 112. The pinch spring 110 is provided to assume a rest position ( Fig. 1 ) in which one of the edges of the window 112 abuts (here via the protrusion 108) against one of the ends 138 of said pinch spring 110 and a maneuvering position ( Fig. 2 ) in which said edge of the window 112 is not in abutment against said end 138 and in which the stripped end 206 of the electrical conductor 204 can be introduced into the window 112, the transition from the rest position to the operation is effected by pressure on a pressure zone 118 of the loop.

Dans le mode de réalisation de l'invention présenté sur les Figs., le ressort à pincement 110 est constitué d'une tôle en acier à ressort conformée sous la forme d'une boucle fermée. Les deux extrémités 136 et 138 de la tôle sont sensiblement planes et sont reliées par deux arcs de cercle 116 et 118. L'une des extrémités (ici l'extrémité référencée 136) est sensiblement perpendiculaire à la direction d'introduction 150 et est percée de ladite fenêtre 112 qui s'étend dans la profondeur de la tôle, c'est-à-dire perpendiculairement au plan de la feuille. L'autre extrémité (ici l'extrémité référencée 138) est sensiblement parallèle à la direction d'introduction 150 et présente une réduction qui permet son insertion dans ladite fenêtre 112 de manière à former la boucle.In the embodiment of the invention shown in Figs., The pinch spring 110 is made of a spring steel sheet shaped as a closed loop. The two ends 136 and 138 of the sheet are substantially flat and are connected by two circular arcs 116 and 118. One of the ends (here the end referenced 136) is substantially perpendicular to the insertion direction 150 and is pierced by said window 112 which extends in the depth of the sheet, that is to say perpendicularly to the plane of the sheet. The other end (here referenced end 138) is substantially parallel to the insertion direction 150 and has a reduction which allows its insertion into said window 112 so as to form the loop.

Dans le mode de réalisation de l'invention présenté sur les Figs., l'excroissance 108 est prise en sandwich entre le bord gauche de la fenêtre 112 et l'extrémité 138 pour assurer une continuité électrique. Mais dans un autre mode de réalisation, l'excroissance 108 peut être absente.In the embodiment of the invention shown in Figs., The protrusion 108 is sandwiched between the left edge of the window 112 and the end 138 to provide electrical continuity. But in another embodiment, the protrusion 108 may be absent.

Le canal de positionnement 128 débouche en vis-à-vis de l'extrémité 136.The positioning channel 128 opens out towards the end 136.

Le canal d'actionnement 126 débouche en vis-à-vis de l'arc de cercle 118 qui constitue dans le mode de réalisation présenté, la zone de pression. Le canal d'actionnement 126 débouche de manière sensiblement tangentielle à la zone de pression 118.The actuating channel 126 emerges opposite the arc 118 which constitutes, in the embodiment shown, the pressure zone. The actuating channel 126 opens substantially tangentially to the pressure zone 118.

En vis-à-vis du canal d'actionnement 126, le boîtier 102 comprend un logement de blocage 130 constitué d'un creux délimité par des parois. En particulier, une paroi de séparation 124 est disposée entre le logement 130 et le ressort à pincement 110 s'étend parallèlement à la direction d'introduction.Vis-à-vis the actuating channel 126, the housing 102 comprises a locking housing 130 consisting of a hollow delimited by walls. In particular, a partition wall 124 is disposed between the housing 130 and the pinch spring 110 extends parallel to the insertion direction.

Le boîtier 102 comprend une languette de protection 132 réalisée en matériau électriquement isolant qui peut être monobloc avec le boîtier 102 et qui est mobile. La languette de protection 132 peut être également un élément rapporté monté mobile dans le boîtier 102. Le mouvement de la languette de protection 132 peut être assimilé à une rotation autour d'un axe de rotation 134. L'extrémité libre de la languette de protection 132 se positionne en vis-à-vis de l'ouverture du canal d'actionnement 126 contre l'arc de cercle 118, c'est-à-dire la zone de pression.The housing 102 comprises a protection tab 132 made of electrically insulating material which can be integral with the housing 102 and which is movable. The protective tongue 132 may also be an insert mounted movably in the housing 102. The movement of the protective tongue 132 may be likened to a rotation about an axis of rotation 134. The free end of the protective tongue 132 is positioned vis-à-vis the opening of the actuating channel 126 against the arc 118, that is to say the pressure zone.

Le ressort à pincement 110 est manoeuvré par application d'une force sur l'arc de cercle référencé 118. La Fig. 1 montre le connecteur électrique 100 lorsque le ressort à pincement 110 n'est pas manoeuvré, la Fig. 2 montre le connecteur électrique 100 lorsque le ressort à pincement 110 est manoeuvré à l'aide d'un outil 202 qui est inséré dans le canal d'actionnement 126 et la Fig. 3 montre le connecteur électrique 100 lorsque le ressort à pincement 110 n'est plus manoeuvré et que l'extrémité dénudée 206 du conducteur 204 est insérée dans la fenêtre 112.The pinch spring 110 is manipulated by applying a force to the arc of circle referenced 118. Fig. 1 shows the electrical connector 100 when the pinch spring 110 is not maneuvered, the Fig. 2 shows the electrical connector 100 when the pinch spring 110 is operated using a tool 202 which is inserted into the actuating channel 126 and the Fig. 3 shows the electrical connector 100 when the pinch spring 110 is no longer maneuvered and the stripped end 206 of the conductor 204 is inserted into the window 112.

Lors de la manoeuvre, c'est-à-dire lors de l'insertion de l'outil 202 dans le canal d'actionnement 126, l'extrémité de l'outil 202 vient appuyer sur la languette de protection 132 dont l'extrémité libre est disposée de manière à s'intercaler entre l'extrémité de l'outil 202 et l'arc de cercle 118 du ressort à pincement 110, isolant ainsi l'outil 202 et évitant ainsi toute décharge électrique vers le technicien.During the maneuver, that is to say during the insertion of the tool 202 into the actuating channel 126, the end of the tool 202 presses on the protection tab 132 whose end free is arranged to be interposed between the end of the tool 202 and the arc 118 of the pinch spring 110, thus isolating the tool 202 and thus avoiding any electrical discharge to the technician.

La languette de protection 132 génère une force sur l'arc de cercle 118 qui entraîne une flexion de la tôle au niveau de l'arc de cercle 116 et un déplacement de la fenêtre 112. Le bord gauche de la fenêtre 112 se décolle alors de l'excroissance 108 et l'extrémité 138 se retrouve contre le bord droit de la fenêtre 112. A la fin de ce décollement, c'est-à-dire en position de manoeuvre, la fenêtre 112 est positionnée de manière à ce que le canal de positionnement 128 débouche en vis-à-vis de la fenêtre 112. Le technicien peut alors introduire le conducteur 204 dont l'extrémité dénudée 206 vient se loger dans la fenêtre 112 entre son bord gauche et l'excroissance 108.The protection tab 132 generates a force on the circular arc 118 which causes the sheet to bend at the level of the arc 116 and a displacement of the window 112. The left edge of the window 112 then comes off. the protrusion 108 and the end 138 is found against the right edge of the window 112. At the end of this detachment, that is to say in the operating position, the window 112 is positioned so that the positioning channel 128 opens out opposite the window 112. The technician can then introduce the conductor 204 whose stripped end 206 is housed in the window 112 between its left edge and the protrusion 108.

A la fin de l'insertion de l'outil 202 dans le canal d'actionnement 126, l'extrémité libre de l'outil 202 se loge dans le logement de blocage 130, évitant ainsi tout débattement de l'outil 202 du fait de la rigidité de la paroi de séparation 124.At the end of the insertion of the tool 202 in the actuating channel 126, the free end of the tool 202 is housed in the locking housing 130, thus avoiding any movement of the tool 202 due to the rigidity of the partition wall 124.

La languette de protection 132 est conformée de manière à s'étendre jusqu'à la paroi de séparation 124 lorsque l'extrémité de l'outil 202 est logée dans le logement de blocage 130, ainsi le technicien est entièrement en sécurité. On dit que la languette de protection 132 s'étend jusqu'à la paroi de séparation 124, lorsque l'espace entre l'extrémité libre de la languette de protection 132 et le sommet de la paroi de séparation 124 est tel que le passage de l'extrémité de l'outil 202 dans cet espace est impossible. Ainsi l'utilisateur est protégé et la languette de protection 132 ne peut pas être séparée du ressort à pincement 110 par l'introduction de l'outil 202.The protection tab 132 is shaped to extend to the partition wall 124 when the end of the tool 202 is housed in the locking housing 130, so the technician is completely safe. It is said that the protective tongue 132 extends to the partition wall 124, when the space between the free end of the protection tongue 132 and the top of the partition wall 124 is such that the passage of the end of the tool 202 in this space is impossible. Thus the user is protected and the protection tab 132 can not be separated from the pinch spring 110 by the introduction of the tool 202.

Le retrait de l'outil 202 entraîne la libération de l'arc de cercle 118 et de la languette de protection 132. Le bord gauche de la fenêtre 112 tend à revenir vers sa position initiale et coince ainsi l'extrémité dénudée 206 du conducteur 204 contre l'excroissance 108.The removal of the tool 202 causes the release of the arc 118 and the protection tab 132. The left edge of the window 112 tends to return to its initial position and thus stuck the stripped end 206 of the conductor 204 against outgrowth 108.

Pour améliorer encore la protection du technicien, le ressort à pincement 110 présente au voisinage de la paroi de séparation 124 un enfoncement 120 vers l'intérieur de la boucle. Dans le mode de réalisation présenté, cet enfoncement 120 est réalisé au niveau de la zone de jonction entre les deux arcs de cercle 116 et 118 du ressort à pincement 110.To further improve the protection of the technician, the pinch spring 110 has in the vicinity of the partition wall 124 a recess 120 inwardly of the loop. In the embodiment shown, this depression 120 is formed at the junction zone between the two circular arcs 116 and 118 of the pinch spring 110.

La Fig. 4 montre une utilisation de l'invention dans le cas d'un dispositif de répartition de puissance électrique 400. Un dispositif de répartition de puissance 400 permet de connecter une rangée d'appareils modulaires tels des disjoncteurs, des interrupteurs différentiels, etc. Le dispositif de répartition 400 comprend un boîtier présentant des rangées 402a-402e et un ensemble de bus disposés parallèlement entre eux, chacun étant logé dans une des rangées 402a-402e et constituant une barre d'alimentation. Le dispositif de répartition 400 est alimenté électriquement par un câble d'alimentation électrique comprenant un conducteur d'alimentation supportant la phase et un conducteur d'alimentation supportant chaque phase électrique. A cette fin, le dispositif de répartition 400 comprend pour chaque conducteur d'alimentation, des moyens de raccordement 404a-404e destinés à permettre le raccordement dudit moyen de raccordement 404a-404e au conducteur d'alimentation correspondant.The Fig. 4 shows a use of the invention in the case of an electrical power distribution device 400. A power distribution device 400 allows to connect a row of modular devices such as circuit breakers, differential switches, etc.. The distribution device 400 comprises a housing having rows 402a-402e and a set of buses arranged parallel to each other, each being housed in one of the rows 402a-402e and constituting a power bar. The distribution device 400 is electrically powered by a power supply cable comprising a phase-supporting supply conductor and a supply conductor supporting each electrical phase. For this purpose, the distribution device 400 comprises, for each supply conductor, connection means 404a-404e intended to allow the connection of said connection means 404a-404e to the corresponding supply conductor.

Chaque bus est électriquement raccordé à un moyen de raccordement 404a-404e de manière à distribuer le long de ce bus, la phase ou le neutre correspondant. A cette fin, chaque rangée 402a-402e du boîtier est percée, pour chaque bus, d'une pluralité de canaux de positionnement 128 permettant l'insertion et la fixation d'un conducteur de liaison, et ainsi la connexion électrique dudit conducteur de liaison au bus considéré. Chaque conducteur de liaison est par ailleurs électriquement connecté à l'une des bornes de l'un des appareils modulaires.Each bus is electrically connected to a connecting means 404a-404e so as to distribute along this bus, the phase or the corresponding neutral. To this end, each row 402a-402e of the housing is pierced, for each bus, with a plurality of positioning channels 128 for insertion and fixing of a connecting conductor, and thus the electrical connection of said connecting conductor to the considered bus. Each connecting conductor is also electrically connected to one of the terminals of one of the modular devices.

A chaque canal de positionnement 128 est associé un canal d'actionnement 126. Un technicien désirant ajouter ou retirer un conducteur de liaison d'un des canaux de positionnement 128, peut introduire un outil 202 dans le canal d'actionnement 126 associé et, après actionnement de la languette de protection 132, il peut librement et en toute sécurité introduire ou retirer le conducteur de liaison correspondant, sans qu'il soit nécessaire de couper l'alimentation électrique alimentant le dispositif de répartition 400 et donc de tous les appareils modulaires qui y sont connectés.Each actuating channel 128 is associated with an actuating channel 126. A technician wishing to add or remove a connecting conductor from one of the positioning channels 128 may introduce a tool 202 into the associated actuation channel 126 and, after actuation of the protective tab 132, it can freely and safely introduce or remove the corresponding connecting conductor, without the need to cut off the power supply to the distribution device 400 and therefore all modular devices that are connected to it.

Pour éviter tout contact entre l'extrémité dénudée 206 et le technicien, lorsque l'extrémité dénudée 206 entre en contact avec le ressort à pincement 110, la profondeur du canal de positionnement 128 dans la direction d'introduction 150 est inférieure à la longueur de l'extrémité dénudée 206.To avoid contact between the stripped end 206 and the technician, when the stripped end 206 contacts the pinch spring 110, the depth of the positioning channel 128 in the insertion direction 150 is less than the length of the stripping end. the bare end 206.

Bien entendu, la présente invention n'est pas limitée aux exemples et modes de réalisation décrits et représentés, mais elle est susceptible de nombreuses variantes accessibles à l'homme de l'art.Of course, the present invention is not limited to the examples and embodiments described and shown, but it is capable of many variants accessible to those skilled in the art.

Claims (7)

  1. Electrical connector (100) for connecting the exposed end (206) of an electrical conductor (204), said electrical connector (100) comprising:
    - a casing (102) made of an electrically insulating material;
    - a pinching spring (110) made of an electrically conductive material and housed in the casing (102), the pinching spring (110) forming a loop and having a window (112), the pinching spring (110) being designed to take a rest position (Fig. 1) in which one of the edges of the window (112) bears against one of the ends (138) of said pinching spring (110) and a manoeuvring position (Fig. 2) in which said edge of the window (112) does not bear against said end (138) and in which said exposed end (206) can be introduced into the window (112), the transition from the rest position to the manoeuvring position being carried out by pressing on a pressure zone (118) of said loop; and
    - a protective tongue (132) made of an electrically insulating material and movably mounted in the casing (102);
    an actuation channel (126) being drilled into the casing (102), which channel ends substantially tangentially at said pressure zone (118) and is intended to accommodate a tool (202);
    the casing (102) comprising a stop housing (130) that is positioned facing the actuation channel (126) and separated from the pinching spring (110) by a separating wall (124);
    the free end of said protective tongue (132) being positioned so as to be intercalated between said pressure zone (118) and the end of the tool (202) during the insertion thereof into the actuation channel (126), characterized in that the free end of the protective tongue (132) extends up to the separating wall (124) when the end of the tool (202) is housed in the stop housing (130).
  2. Electrical connector (100) according to Claim 1, characterized in that it comprises a positioning channel (128) that ends facing the window (112) when the pinching spring (110) is in the manoeuvring position.
  3. Electrical connector (100) according to Claim 2, characterized in that the depth of the positioning channel (128) is less than the length of the exposed end (206).
  4. Electrical connector (100) according to one of Claims 1 to 3, characterized in that it comprises a bus (104) having an excrescence (108) that is sandwiched between said edge of the window (112) and said end (138), in the rest position.
  5. Electrical connector (100) according to one of Claims 1 to 4, characterized in that the pinching spring (110) has, in the vicinity of the separating wall (124), a recess (120) towards the inside of the loop.
  6. Electrical connector (100) according to one of Claims 1 to 5, characterized in that the pinching spring (110) consists of a spring steel sheet, the two ends of which (136, 138) are substantially planar and linked by two circular arcs (116, 118), in that one of the ends (136) is apertured by said window (112), and in that the other end (138) is inserted into said window (112).
  7. Electrical connector (100) according to Claim 6, characterized in that the pressure zone (118) is one of the circular arcs (118).
EP09170907.1A 2008-09-22 2009-09-22 Electric connection Active EP2166620B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0856361A FR2936367B1 (en) 2008-09-22 2008-09-22 ELECTRICAL CONNECTOR

Publications (2)

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EP2166620A1 EP2166620A1 (en) 2010-03-24
EP2166620B1 true EP2166620B1 (en) 2017-11-08

Family

ID=40251802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09170907.1A Active EP2166620B1 (en) 2008-09-22 2009-09-22 Electric connection

Country Status (4)

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EP (1) EP2166620B1 (en)
ES (1) ES2659055T3 (en)
FR (1) FR2936367B1 (en)
PT (1) PT2166620T (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2981213B1 (en) * 2011-10-05 2013-10-18 Legrand France ELECTRICAL CONNECTION DEVICE.
FR3060873B1 (en) * 2016-12-15 2020-08-14 Legrand France ELECTRICAL CONNECTION ELEMENT EQUIPPED WITH A CONTACT ELEMENT
DE102018102706B4 (en) * 2017-02-08 2020-03-12 Wago Verwaltungsgesellschaft Mbh Set of conductor connection clamp and operating tool

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Publication number Priority date Publication date Assignee Title
DE9414939U1 (en) * 1994-09-14 1995-02-09 Siemens AG, 80333 München Terminal block with screwless terminals
DE19817925B4 (en) * 1998-04-17 2004-04-29 Wago Verwaltungsgesellschaft Mbh Spring clamp connection for electrical conductors
DE29819517U1 (en) * 1998-11-02 1998-12-24 Weidmüller Interface GmbH & Co., 32760 Detmold Tension spring connector
FR2789523B1 (en) * 1999-02-05 2001-04-20 Schneider Electric Ind Sa INTERCONNECTION BLOCK FOR ELECTRICAL APPLIANCES
DE10158585C1 (en) * 2001-11-29 2003-06-18 Wieland Electric Gmbh Connecting clamp for cables, has metal strip formed spring loop that is opened to insert end of wire
FR2857511B1 (en) * 2003-07-09 2013-05-03 Abb Entrelec Sas CONNECTING TERMINAL WITH REMOTE GUIDING SHUTTER

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
ES2659055T3 (en) 2018-03-13
FR2936367B1 (en) 2013-01-18
EP2166620A1 (en) 2010-03-24
PT2166620T (en) 2018-01-09
FR2936367A1 (en) 2010-03-26

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