EP0860899B1 - Insulation penetration connector - Google Patents

Insulation penetration connector Download PDF

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Publication number
EP0860899B1
EP0860899B1 EP98410006A EP98410006A EP0860899B1 EP 0860899 B1 EP0860899 B1 EP 0860899B1 EP 98410006 A EP98410006 A EP 98410006A EP 98410006 A EP98410006 A EP 98410006A EP 0860899 B1 EP0860899 B1 EP 0860899B1
Authority
EP
European Patent Office
Prior art keywords
connector according
spike
block
conductors
lugs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98410006A
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German (de)
French (fr)
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EP0860899A1 (en
Inventor
Christophe Milliere
Christophe Grumel
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Publication of EP0860899A1 publication Critical patent/EP0860899A1/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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2406—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation having needles or pins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/003—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits the coupling part being secured only to wires or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
    • H01R25/142—Their counterparts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
    • H01R25/145—Details, e.g. end pieces or joints

Definitions

  • the present invention relates to an electrical connection device with insulation perforation, intended to electrically connect at least one conductor and an apparatus such as a socket outlet current or an actuator.
  • Devices of the kind previously mentioned generally include at least one perforation means mounted in a support, said means being intended on the one hand to be electrically connected to an electrical appliance and on the other hand, to be moved towards one of the conductors so as to perforate its insulating part and thus establish the connection electric.
  • a connector incorporating such a connection device is described in the patent application EP 0 665 608.
  • the electrical connection with a cable flat is made by a connector comprising a fixed upper block and a lower block to each other and between which the conductors are clamped. Contact elements individual are screwed into the upper block so as to penetrate the insulator of the ribbon cable and establish contact with the soul of the conductors.
  • connection requires as many screwing operations as there are connections to be made, which results in a relatively long connection time.
  • connection of the devices cannot be made directly on the connector.
  • Patent applications WO 95/03615 and FR 2331167 also describe devices using screwed contact elements.
  • US 5,055,065 describing a spike connection device used not to connect a conductor and an electrical device but to electrically connect two electrical conductors by perforating insulation.
  • Document EP 0 573 368 describes an electrical distribution device with quick connection making it possible to electrically connect the conductors of a flat cable to an electrical outlet.
  • the structure of this device is particularly bulky and complicated.
  • the present invention overcomes these drawbacks and proposes a device for connecting simple design allowing by eliminating the screwing operations, to obtain a faster connection, devices can be connected directly to the connector.
  • the device of the invention makes it possible to obtain in combination a low voltage drop and low penetration force.
  • the subject of the invention is a connector according to claim 1. Thanks to these characteristics, it is possible to make several connections at the same time, hence a significant gain in terms of connection speed and on the other hand, to connect the devices directly to the upper part of the connector.
  • the invention also relates to a connector according to any one of claims 2 at 20.
  • a connector C comprising mainly a lower part 1, or cradle, and an upper part 2, or cover, between which are tightened a set of conductors 3 forming a flat cable 4.
  • the cradle 1 forms a substantially U-shaped housing intended to receive the flat cable aforementioned 4 and comprises on its lateral faces la, projecting elements 5, 6, of section triangular cross. Each lateral face 1a of the cradle 1 thus comprises two elements protruding 5.6.
  • the cover 2 consists of a plate 7, the two edges of which 7a, 7b, each have two legs 8, 9 bent at 90 ° to the plate 7 (as more particularly visible in FIG.
  • This cover 2 also includes means M intended to ensure the electrical connection between the conductors 3 of the cable 4 and an electrical device (not shown), such as a relay, a remote control switch, a socket outlet current etc.
  • connection M include connection blocks 11, 12, 13, three in this form of realization, intended to cooperate with openings 14, 15, 16 of rectangular shape formed in the cover 2 and intended to allow the passage of plugs or the like (not shown) belonging to said device.
  • connection block 11, 12, 13 consists of an elongated piece 17 of U-shaped cross section, comprising a base 18 and two wings 19, 20, extending substantially perpendicular to said base 18.
  • the base 18 extends to form two legs 21, 22, called the first legs, curved substantially in a U shape towards the inside of the blocks 11, 12, 13.
  • the two aforementioned wings 19, 20 also extend beyond the first legs 21, 22 to form two other legs 23, 24 called seconds, curved in the shape of U towards the inside of blocks 11, 12, 13 and the two ends 23a, 24a of which are located in look and in the vicinity of the rounded portions 21a, 22a, respectively of the first two legs 21, 22.
  • the elasticity of the legs is such that the elastic stress exerted on the first legs 21, 22 is the same as that exerted on the second legs 23, 24.
  • the base 18 of each block 11, 12, 13 also comprises on the one hand, a fixing orifice 25 of the block on the cover 2 and on the other hand, a spike connection device 26.
  • the block 11, 12, 13 is fixed to the cover 2 preferably by crimping.
  • the spike connection device 26 comprises a spike 27 formed by a cylindrical portion 28 terminated by an acute conical portion 29.
  • the diameter D of the cylindrical portion 28 and the diameter d of the conductors are such that 0.78d ⁇ D ⁇ 1 , 56d and, preferably, 0.91d ⁇ D ⁇ 1.38d for a cross section of conductors between 0.75 and 6mm 2 .
  • D for example for a flexible wire of 2.5mm 2 , we can choose D between 1.8 and 2.5mm.
  • the diameter of the cylindrical part D is substantially equal to 2.1 mm for a flexible wire with a cross section of 2.5 mm 2 . This value makes it possible to decrease both the insertion force and the voltage drop.
  • the tip 27 and / or the strands of the conductors 3 will be tinned.
  • silvering or tinning of tips 27 guarantees a more constant voltage drop over time.
  • the conductors consist of tinned strands the use of a coated tip allows obtain a reduction in voltage drop of up to 25%, the best results being obtained with a tinned tip rather than silver.
  • the angle at the top ( ⁇ ) (fig. 3a) of the pointed part 29 is between 40 and 60 °, advantageously 40 °.
  • the length of the tip 27 is advantageously such that in the connected position, the end 29a of its conical part 29 is flush with or exceeds the lower part of the conductor 3 (fig. 3b).
  • the twisting pitch is between 19 and 44 mm, advantageously approximately equal to 19 mm and the insulating sheet in the case of a flat cable 4 is made of PVC.
  • connection blocks 11, 13 and 12 are used.
  • the first type of block comprises the blocks 11, 12 in which the fixing orifice 25 is situated substantially in the center of the base 18 and the tip 27 at the free end 18a of the base 18, that is to say at the end opposite to that comprising the first and second legs 22 to 24.
  • the second type of block corresponds to blocks 13 for which the tip 27 is located substantially in the center of the base 18 and the fixing orifice 25 at its free end 18a.
  • connection blocks 11, 12, 13 will have been fixed
  • This cover 2 will then fixed on the cradle 1 by snap-fastening, during the insertion of the projecting elements 5,6 in the openings 10 provided for this purpose in the cover 2.
  • the pins 27 of the connection blocks 11 to 13 will pass through the insulation 31 of the conductors 3.30 until reaching the soul of the drivers.
  • Connecting devices to conductors can then be established by introducing the contact elements in the form of a plug through the rectangular holes 14 to 16 provided in the plate 7 of the cover 2, then between the first and second elastic tabs 21, 22 and 23, 24 of the connection block corresponding, which tabs 21 to 24 form means for retaining the plugs on the blocks 11, 12, 13.
  • the connectors can be assembled longitudinally between them thanks to the assembly means 32 provided at the front and rear ends of the cradles 1 of connectors C, which guarantees a constant distance between the connectors, therefore between electronics.
  • connection device allowing by removing the screwing operations required in conventional systems, to increase the speed of connection.
  • diameter of the cylindrical part can be chosen, depending on different applications, depending on the constraints imposed relative to the fall of tension, or the penetration force of the tip.
  • the connector of the invention allows on the one hand in a single operation, to achieve several connections at the same time, resulting in a significant gain in connection speed, and on the other hand, plug the devices directly into its upper part.
  • This connector by its structure, is particularly compact, and allows a derivation of power in a minimum of space.

Landscapes

  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Organic Insulating Materials (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Inorganic Insulating Materials (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Seal Device For Vehicle (AREA)
  • Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

Electrical connector that penetrates insulation, to connect insulated wires to e.g. a plug or an actuator. It includes perforators mounted on a support. These make the connection to the equipment on one side. On the other side, they are moved towards a conductor, cutting through the insulation to complete the connection. In the new design, the perforator includes a spike (27) with cylindrical (28) and conical sections terminating in a point (29). The diameter D of the cylindrical section (28) is linked to the diameter d of the conductors by the relationship 0.78 (0.91) x d < D < 1.56 (1.38) x d. This applies to flexible conductors between 0.75 mm<2> and 6 mm<2>. Preferably the cable insulation is polyvinyl chloride.

Description

La présente invention concerne un dispositif de connexion électrique à perforation d'isolant, destiné à relier électriquement au moins un conducteur et un appareil tel une prise de courant ou un actionneur.The present invention relates to an electrical connection device with insulation perforation, intended to electrically connect at least one conductor and an apparatus such as a socket outlet current or an actuator.

Les dispositifs du genre précédemment mentionné comprennent généralement au moins un moyen de perforation monté dans un support, ledit moyen étant destiné d'une part à être relié électriquement à un appareil électrique et d'autre part, à être déplacé en direction de l'un des conducteurs de manière à perforer sa partie isolante et ainsi établir la connexion électrique. Un connecteur incorporant un tel dispositif de connexion est décrit dans la demande de brevet EP 0 665 608. Dans ce document, la connexion électrique avec un câble plat est réalisée par un connecteur comprenant un bloc supérieur et un bloc inférieur fixés l'un à l'autre et entre lesquels sont serrés les conducteurs. Des éléments de contact individuels sont vissés dans le bloc supérieur de manière à pénétrer l'isolant du câble plat et établir le contact avec l'âme des conducteurs.Devices of the kind previously mentioned generally include at least one perforation means mounted in a support, said means being intended on the one hand to be electrically connected to an electrical appliance and on the other hand, to be moved towards one of the conductors so as to perforate its insulating part and thus establish the connection electric. A connector incorporating such a connection device is described in the patent application EP 0 665 608. In this document, the electrical connection with a cable flat is made by a connector comprising a fixed upper block and a lower block to each other and between which the conductors are clamped. Contact elements individual are screwed into the upper block so as to penetrate the insulator of the ribbon cable and establish contact with the soul of the conductors.

Or, l'un des inconvénients de ce type de connecteur, tient en ce que la connexion nécessite autant d'opérations de vissage qu'il y a de connexions à effectuer, d'où il résulte un temps de connexion relativement long. D'autre part, le branchement des appareils ne peut pas être effectué directement sur le connecteur.
Les demandes de brevet WO 95/03615 et FR 2331167 décrivent également des dispositifs mettant en oeuvre des éléments de contact vissés.
On connaít également le document US 5 055 065 décrivant un dispositif de connexion à pointe utilisé non pas pour relier un conducteur et un appareil électrique mais pour relier électriquement deux conducteurs électriques par perforation d'isolant.
Le document EP 0 573 368 décrit un dispositif de distribution électrique à connexion rapide permettant de relier électriquement les conducteurs d'un câble plat à une prise de courant. Or la structure de ce dispositif est particulièrement encombrante et compliquée.One of the drawbacks of this type of connector is that the connection requires as many screwing operations as there are connections to be made, which results in a relatively long connection time. On the other hand, the connection of the devices cannot be made directly on the connector.
Patent applications WO 95/03615 and FR 2331167 also describe devices using screwed contact elements.
We also know the document US 5,055,065 describing a spike connection device used not to connect a conductor and an electrical device but to electrically connect two electrical conductors by perforating insulation.
Document EP 0 573 368 describes an electrical distribution device with quick connection making it possible to electrically connect the conductors of a flat cable to an electrical outlet. However, the structure of this device is particularly bulky and complicated.

La présente invention résout ces inconvénients et propose un dispositif de connexion de conception simple permettant en supprimant les opérations de vissage, d'obtenir une connexion plus rapide, le branchement des appareils pouvant être effectué directement sur le connecteur. D'autre part, le dispositif de l'invention permet d'obtenir en combinaison une faible chute de tension et une faible force de pénétration.The present invention overcomes these drawbacks and proposes a device for connecting simple design allowing by eliminating the screwing operations, to obtain a faster connection, devices can be connected directly to the connector. On the other hand, the device of the invention makes it possible to obtain in combination a low voltage drop and low penetration force.

L'invention a pour objet un connecteur selon la revendication 1.
Grâce à ces caractéristiques, il est possible de réaliser plusieurs connexions en même temps, d'où un gain important en matière de rapidité de connexion et d'autre part, de brancher directement les appareils sur la partie supérieure du connecteur.The subject of the invention is a connector according to claim 1.
Thanks to these characteristics, it is possible to make several connections at the same time, hence a significant gain in terms of connection speed and on the other hand, to connect the devices directly to the upper part of the connector.

L'invention a encore pour objet un connecteur selon l'une quelconque des revendications 2 à 20. The invention also relates to a connector according to any one of claims 2 at 20.

Mais d'autres avantages et caractéristiques de l'invention apparaítront mieux dans la description détaillée qui suit et se réfère aux dessins annexés donnés uniquement à titre d'exemples et dans lesquels :

  • La figure 1 est une vue en perspective illustrant un connecteur selon l'invention, mis en service sur un câble plat,
  • La figure 2 est une vue similaire à la précédente, mais comportant un arraché destiné à illustrer les blocs de connexion, conformément à une réalisation particulière de l'invention,
  • La figure 3 est une vue similaire aux précédentes, le couvercle du connecteur ayant été retiré,
  • Les figures 3a et 3b illustrent schématiquement le dispositif de connexion à pointe selon l'invention, utilisé pour la connexion d'un câble plat respectivement avant et après connexion,
  • Les figures 4, 5, 6 illustrent en perspective trois blocs de connexion, et,
  • La figure 7 illustre dans des vues également en perspective, à droite, le connecteur utilisé pour un ensemble de câbles individuels et à gauche, ce même connecteur utilisé pour un câble plat.
However, other advantages and characteristics of the invention will appear more clearly in the detailed description which follows and refers to the appended drawings given solely by way of examples and in which:
  • FIG. 1 is a perspective view illustrating a connector according to the invention, put into service on a flat cable,
  • FIG. 2 is a view similar to the previous one, but comprising a cutaway intended to illustrate the connection blocks, in accordance with a particular embodiment of the invention,
  • FIG. 3 is a view similar to the previous ones, the connector cover having been removed,
  • FIGS. 3a and 3b schematically illustrate the spike connection device according to the invention, used for the connection of a flat cable respectively before and after connection,
  • FIGS. 4, 5, 6 illustrate in perspective three connection blocks, and,
  • FIG. 7 illustrates in perspective views also, on the right, the connector used for a set of individual cables and on the left, this same connector used for a flat cable.

Sur les figures 1 à 3, on voit un connecteur C conforme à l'invention et comprenant principalement une partie inférieure 1, ou berceau, et une partie supérieure 2, ou couvercle, entre lesquelles sont serrés un ensemble de conducteurs 3 formant un câble plat 4. Le berceau 1 forme un logement sensiblement en forme de U destiné à recevoir le câble plat précité 4 et comporte sur ses faces latérales la, des éléments en saillie 5, 6, de section transversale triangulaire. Chaque face latérale la du berceau 1 comporte ainsi deux éléments en saillie 5,6. Le couvercle 2 est constitué par une plaque 7 dont les deux bords longitudinaux 7a, 7b, comportent chacun deux pattes 8, 9 pliées à 90° par rapport à la plaque 7 (telles que plus particulièrement visibles sur la figure 7), et dans lesquelles sont prévues des ouvertures 10 destinées à coopérer avec les éléments d'encliquetage précités 5,6 pour assurer la fixation du couvercle 2 sur le berceau 1. Ce couvercle 2 comporte également des moyens M destinés à assurer la connexion électrique entre les conducteurs 3 du câble 4 et un appareil électrique (non représenté), tel un relais, un télérupteur, une prise de courant etc.In Figures 1 to 3, we see a connector C according to the invention and comprising mainly a lower part 1, or cradle, and an upper part 2, or cover, between which are tightened a set of conductors 3 forming a flat cable 4. The cradle 1 forms a substantially U-shaped housing intended to receive the flat cable aforementioned 4 and comprises on its lateral faces la, projecting elements 5, 6, of section triangular cross. Each lateral face 1a of the cradle 1 thus comprises two elements protruding 5.6. The cover 2 consists of a plate 7, the two edges of which 7a, 7b, each have two legs 8, 9 bent at 90 ° to the plate 7 (as more particularly visible in FIG. 7), and in which are provided with openings 10 intended to cooperate with the aforementioned snap-fastening elements 5,6 to secure the cover 2 on the cradle 1. This cover 2 also includes means M intended to ensure the electrical connection between the conductors 3 of the cable 4 and an electrical device (not shown), such as a relay, a remote control switch, a socket outlet current etc.

En se reportant plus particulièrement aux figures 4 à 6, on voit que ces moyens de connexion M comprennent des blocs de connexion 11, 12, 13, trois dans cette forme de réalisation, destinés à coopérer avec des ouvertures 14, 15, 16 de forme rectangulaire ménagées dans le couvercle 2 et destinées à permettre le passage de fiches ou analogues (non représentées) appartenant audit appareil.Referring more particularly to FIGS. 4 to 6, it can be seen that these means of connection M include connection blocks 11, 12, 13, three in this form of realization, intended to cooperate with openings 14, 15, 16 of rectangular shape formed in the cover 2 and intended to allow the passage of plugs or the like (not shown) belonging to said device.

Chaque bloc de connexion 11, 12, 13 est constitué par une pièce de forme allongée 17 de section transversale en forme de U, comprenant une base 18 et deux ailes 19, 20, s'étendant sensiblement perpendiculairement à ladite base 18. A l'une des extrémités 18a des blocs 11, 12, 13, la base 18 se prolonge pour former deux pattes 21, 22, dites premières pattes, recourbées sensiblement en forme de U vers l'intérieur des blocs 11, 12 ,13. A cette même extrémité, les deux ailes précitées 19, 20 se prolongent également au delà des premières pattes 21, 22 pour former deux autres pattes 23, 24 dites secondes, recourbées en forme de U vers l'intérieur des blocs 11, 12, 13 et dont les deux extrémités 23a, 24a se situent en regard et au voisinage des portions arrondies 21a, 22a, respectivement des deux premières pattes 21, 22. L'élasticité des pattes est telle que la contrainte élastique exercée sur les premières pattes 21, 22 est la même que celle exercée sur les secondes pattes 23, 24.Each connection block 11, 12, 13 consists of an elongated piece 17 of U-shaped cross section, comprising a base 18 and two wings 19, 20, extending substantially perpendicular to said base 18. At one of the ends 18a of the blocks 11, 12, 13, the base 18 extends to form two legs 21, 22, called the first legs, curved substantially in a U shape towards the inside of the blocks 11, 12, 13. At this same end, the two aforementioned wings 19, 20 also extend beyond the first legs 21, 22 to form two other legs 23, 24 called seconds, curved in the shape of U towards the inside of blocks 11, 12, 13 and the two ends 23a, 24a of which are located in look and in the vicinity of the rounded portions 21a, 22a, respectively of the first two legs 21, 22. The elasticity of the legs is such that the elastic stress exerted on the first legs 21, 22 is the same as that exerted on the second legs 23, 24.

La base 18 de chaque bloc 11, 12, 13 comporte également d'une part, un orifice de fixation 25 du bloc sur le couvercle 2 et d'autre part, un dispositif de connexion à pointe 26.The base 18 of each block 11, 12, 13 also comprises on the one hand, a fixing orifice 25 of the block on the cover 2 and on the other hand, a spike connection device 26.

La fixation du bloc 11, 12, 13 sur le couvercle 2 est réalisée de préférence par sertissage. Le dispositif de connexion à pointe 26 comporte une pointe 27 formée d'une portion cylindrique 28 terminée par une partie conique aiguë 29. Le diamètre D de la portion cylindrique 28 et le diamètre d des conducteurs sont tels que 0,78d<D<1,56d et, de préférence, 0,91d<D<1,38d pour une section de conducteurs comprise entre 0,75 et 6mm2. Par exemple pour un fil souple de 2,5mm2, on pourra choisir D entre 1,8 et 2,5mm.The block 11, 12, 13 is fixed to the cover 2 preferably by crimping. The spike connection device 26 comprises a spike 27 formed by a cylindrical portion 28 terminated by an acute conical portion 29. The diameter D of the cylindrical portion 28 and the diameter d of the conductors are such that 0.78d <D <1 , 56d and, preferably, 0.91d <D <1.38d for a cross section of conductors between 0.75 and 6mm 2 . For example for a flexible wire of 2.5mm 2 , we can choose D between 1.8 and 2.5mm.

Une augmentation du diamètre D conduit en même temps à une augmentation de la force de pénétration (enregistrée pendant l'insertion de la pointe dans la nappe) et à une diminution de la chute de tension (résistance de contact au niveau du contact pointe/fil). En fonction des applications, du type de connecteur, on pourra ainsi soit privilégier la chute de tension au détriment de la force de pénétration, soit l'inverse. Avantageusement, on choisira le diamètre de la partie cylindrique D sensiblement égal à 2,1 mm pour un fil souple de section 2,5mm2. Cette valeur permet en effet de diminuer à la fois la force d'insertion et la chute de tension.An increase in diameter D leads at the same time to an increase in the penetration force (recorded during the insertion of the tip into the sheet) and to a decrease in the voltage drop (contact resistance at the point / tip contact ). Depending on the applications, the type of connector, we can either favor the voltage drop to the detriment of the penetration force, or the reverse. Advantageously, the diameter of the cylindrical part D is substantially equal to 2.1 mm for a flexible wire with a cross section of 2.5 mm 2 . This value makes it possible to decrease both the insertion force and the voltage drop.

Ainsi, pour une valeur de diamètre de 2,1mm, et pour un fil souple de section 2,5mm2, on obtient une diminution de la force d'insertion (Newton) de 3,9 et une diminution de la chute de tension de 0,27 (mV) au niveau du contact pointe-conducteur.Thus, for a diameter value of 2.1 mm, and for a flexible wire with a cross section of 2.5 mm 2 , a reduction in the insertion force (Newton) of 3.9 is obtained and a reduction in the voltage drop of 0.27 (mV) at the tip-conductor contact.

Avantageusement, la pointe 27 et/ou les brins des conducteurs 3 seront étamés. Dans le cas d'un conducteur avec des brins en cuivre non étamés, une argenture ou un étamage des pointes 27 permet de garantir une chute de tension plus constante dans le temps. Lorsque les conducteurs sont constitués par des brins étamés, l'utilisation d'une pointe revêtue permet d'obtenir une diminution de la chute de tension pouvant atteindre 25 %, les meilleurs résultats étant obtenus avec une pointe étamée plutôt qu'argentée. Avantageusement, l'angle au sommet (α) (fig. 3a) de la partie pointue 29 est compris entre 40 et 60°, avantageusement 40°. Dans le cas d'une application à un câble plat double isolation 4, la longueur de la pointe 27 est avantageusement telle qu'en position connectée, l'extrémité 29a de sa partie conique 29 affleure ou dépasse la partie inférieure du conducteur 3 (fig. 3b). Avantageusement, le pas de torsage est compris entre 19 et 44 mm, avantageusement environ égal à 19 mm et la nappe isolante dans le cas d'un câble plat 4 est réalisée en PVC.Advantageously, the tip 27 and / or the strands of the conductors 3 will be tinned. In the case of a conductor with untinned copper strands, silvering or tinning of tips 27 guarantees a more constant voltage drop over time. When the conductors consist of tinned strands, the use of a coated tip allows obtain a reduction in voltage drop of up to 25%, the best results being obtained with a tinned tip rather than silver. Advantageously, the angle at the top (α) (fig. 3a) of the pointed part 29 is between 40 and 60 °, advantageously 40 °. In the case of an application to a double insulated flat cable 4, the length of the tip 27 is advantageously such that in the connected position, the end 29a of its conical part 29 is flush with or exceeds the lower part of the conductor 3 (fig. 3b). Advantageously, the twisting pitch is between 19 and 44 mm, advantageously approximately equal to 19 mm and the insulating sheet in the case of a flat cable 4 is made of PVC.

En se référant aux figures 3 à 6, on voit que deux types de blocs de connexion différents 11, 13 et 12 sont utilisés. Le premier type de blocs comprend les blocs 11,12 dans lesquels l'orifice de fixation 25 se situe sensiblement au centre de la base 18 et la pointe 27 à l'extrémité libre 18a de la base 18, c'est à dire à l'extrémité opposée à celle comportant les premières et secondes pattes 22 à 24.
Le second type de blocs correspond aux blocs 13 pour lesquels la pointe 27 se trouve sensiblement au centre de la base 18 et l'orifice de fixation 25 à son extrémité libre 18a. Ainsi, en utilisant deux blocs 11, 12 du premier type en position inversée l'un par rapport à l'autre, et un bloc 13 du second type, il est possible de connecter trois conducteurs juxtaposés. Il est également possible de réaliser des blocs pour 5 positions afin de réaliser une connexion en triphasé.Referring to Figures 3 to 6, it can be seen that two different types of connection blocks 11, 13 and 12 are used. The first type of block comprises the blocks 11, 12 in which the fixing orifice 25 is situated substantially in the center of the base 18 and the tip 27 at the free end 18a of the base 18, that is to say at the end opposite to that comprising the first and second legs 22 to 24.
The second type of block corresponds to blocks 13 for which the tip 27 is located substantially in the center of the base 18 and the fixing orifice 25 at its free end 18a. Thus, by using two blocks 11, 12 of the first type in an inverted position relative to one another, and a block 13 of the second type, it is possible to connect three juxtaposed conductors. It is also possible to make blocks for 5 positions in order to make a three-phase connection.

La mise en service du connecteur C va maintenant être décrite en référence à la figure 7. Dans un premier temps, les conducteurs individuels 30 (vue de droite) ou sous forme de nappe 4 (vue de gauche) seront placés à l'intérieur du berceau 1. Puis, la partie supérieure 2 du connecteur C, ou couvercle, sur lequel auront été fixés les blocs de connexion 11, 12, 13 sera montée sur l'ensemble formé par le berceau 1 et les câbles 3,30. Ce couvercle 2 sera alors fixé sur le berceau 1 par encliquetage, lors de l'introduction des éléments en saillie 5,6 dans les ouvertures 10 prévues à cet effet dans le couvercle 2. Pendant cette opération, les pointes 27 des blocs de connexion 11 à 13 traverseront l'isolant 31 des conducteurs 3,30 jusqu'à atteindre l'âme des conducteurs. La connexion des appareils sur les conducteurs pourra alors être établie en introduisant les éléments de contact sous forme de fiche à travers les orifices de forme rectangulaire 14 à 16 prévus dans la plaque 7 du couvercle 2, puis entre les premières et secondes pattes élastiques 21, 22 et 23, 24 du bloc de connexion correspondant, lesquelles pattes 21 à 24 forment des moyens de retenue des fiches sur les blocs 11, 12, 13. The commissioning of connector C will now be described with reference to FIG. 7. Initially, the individual conductors 30 (right view) or in the form of tablecloth 4 (left view) will be placed inside the cradle 1. Then, the upper part 2 of connector C, or cover, on which the connection blocks 11, 12, 13 will have been fixed will be mounted on the assembly formed by the cradle 1 and the cables 3.30. This cover 2 will then fixed on the cradle 1 by snap-fastening, during the insertion of the projecting elements 5,6 in the openings 10 provided for this purpose in the cover 2. During this operation, the pins 27 of the connection blocks 11 to 13 will pass through the insulation 31 of the conductors 3.30 until reaching the soul of the drivers. Connecting devices to conductors can then be established by introducing the contact elements in the form of a plug through the rectangular holes 14 to 16 provided in the plate 7 of the cover 2, then between the first and second elastic tabs 21, 22 and 23, 24 of the connection block corresponding, which tabs 21 to 24 form means for retaining the plugs on the blocks 11, 12, 13.

On notera que l'élasticité des pattes 21 à 24 sera telle que, lors de la retenue des fiches, les limites élastiques inhérentes à ces pattes ne seront pas dépassées de manière à permettre une réutilisation des connecteurs et donc des connexions successives.It will be noted that the elasticity of the tabs 21 to 24 will be such that, when the sheets are retained, the elastic limits inherent in these legs will not be exceeded so as to allow reuse of connectors and therefore of successive connections.

On notera également que les connecteurs pourront être assemblés longitudinalement entre eux grâce aux moyens d'assemblage 32 prévus aux extrémités avant et arrière des berceaux 1 des connecteurs C, ce qui garantit un entraxe constant entre les connecteurs, donc entre les appareils.Note also that the connectors can be assembled longitudinally between them thanks to the assembly means 32 provided at the front and rear ends of the cradles 1 of connectors C, which guarantees a constant distance between the connectors, therefore between electronics.

On a donc réalisé grâce à l'invention, un dispositif de connexion permettant en supprimant les opérations de vissage nécessaires dans les systèmes classiques, d'augmenter la rapidité de connexion. En outre, le diamètre de la partie cylindrique pourra être choisi, en fonction des différentes applications, en fonction des contraintes imposées relatives, soit à la chute de tension, soit à la force de pénétration de la pointe.We have therefore achieved thanks to the invention, a connection device allowing by removing the screwing operations required in conventional systems, to increase the speed of connection. In addition, the diameter of the cylindrical part can be chosen, depending on different applications, depending on the constraints imposed relative to the fall of tension, or the penetration force of the tip.

Le connecteur de l'invention permet d'une part en une seule opération, de réaliser plusieurs connexions en même temps, d'où un gain important en matière de rapidité de connexion, et d'autre part, de brancher directement les appareils sur sa partie supérieure.The connector of the invention allows on the one hand in a single operation, to achieve several connections at the same time, resulting in a significant gain in connection speed, and on the other hand, plug the devices directly into its upper part.

Ce connecteur de par sa structure, est particulièrement compact, et permet de réaliser une dérivation de puissance dans un minimum de place.This connector, by its structure, is particularly compact, and allows a derivation of power in a minimum of space.

Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits et illustrés qui n'ont été donnés qu'à titre d'exemple.Of course, the invention is not limited to the embodiments described and illustrated which have been given by way of example only.

Claims (20)

  1. A connector of the kind comprising a bottom part or cradle (1) designed to receive at least one conductor (3) and an upper part or cover (2) designed to be fixed onto the bottom part (1) and comprising at least one connecting means (M) for electrical connection of said conductor(s) to an electrical apparatus such as a current socket, said connecting means (M) each comprising, a perforating means able to be moved in the direction of one of the conductors (3) and to perforate the insulation (31) thereof so as to establish the above-mentioned connection, each connecting means (M) comprising a connecting block (11, 12, 13), said block comprising a connecting device (26) with a spike, characterized in that each connecting block (11, 12, 13) comprises an elongate part (17) of appreciably U-shaped transverse cross-section comprising a base (18) and two wings (19, 20), said base (18) comprising on the one hand fixing means (25) for fixing the block (11, 12, 13) to the bottom face of the cover (2) and on the other hand a spike (27) fixed to the internal face thereof and extending in a direction appreciably parallel to said wings (19, 20), said block comprising in addition securing means (21 to 24) operating in conjunction with an opening (14 to 16) provided in the cover (2) to achieve connection between the block (11, 12, 13) and a connecting plug or similar belonging to the apparatus when the cover (2) is fixed to the cradle (1) resulting in perforation of the insulation (31) of the conductors (3) by the spike (27).
  2. The connector according to claim 1, characterized in that said block (11, 12, 13) comprises on the one hand, at one of the ends thereof, two first lugs (21, 22) located in the extension of the base (18), and on the other hand two second lugs (23, 24) respectively located in the extension of the two wings (19, 20), said first lugs (21, 22) and second lugs (23, 24) being folded appreciably in a U shape towards the inside of the block (11, 12, 13).
  3. The connector according to claim 2, characterized in that the ends (23a, 24a) of the second lugs (23, 24) are respectively located facing the rounded intermediate parts (21a, 22a) of the first lugs (21, 22).
  4. The connector according to claim 2 or 3, characterized in that the elastic stress associated to the first lugs (21, 22) is appreciably equal to the elastic stress associated to the second lugs (23, 24).
  5. The connector according to any one of the claims 1 to 4, characterized in that fixing of the spike(s) (27) on the block(s) (11, 12, 13) and/or fixing of the block(s) (11, 12, 13) on the cover (2) is performed by crimping.
  6. The connector according to any one of the claims 1 to 5, characterized in that the connecting blocks (11, 12, 13) are of two types, i.e. a first type of block comprising a spike (27) at the free end (18a) thereof and a fixing means (25) situated between the securing means (22 to 24) and said spike (27), and a second type of block comprising a fixing means (25) at the free end (18a) thereof and a spike (27) between this means (25) and the free end (18a).
  7. The connector according to one of the claims 1 to 6, characterized in that it comprises clipping means (5, 6, 10) provided partly on the cover (2) and partly on the cradle (1).
  8. The connector according to any one of the claims 1 to 7, characterized in that it comprises assembly means (32) for assembling two cradles (1) to one another.
  9. The connector according to any one of the foregoing claims, characterized in that the above-mentioned perforation means comprise a spike (27) comprising a cylindrical part (28) and a conical part (29) terminated by a spike, the diameter D of the cylindrical part (28) being linked to the diameter d of the conductors according to the relation 0.78d<D<1.56d, for a flexible conductor with a cross-section comprised between 0.75 sq.mm and 6 sq.mm.
  10. The connector according to claim 9, characterized in that the respective diameters D, d of the cylindrical portion and of the conductors are such that 0.91d<D<1.38d.
  11. The connector according to claim 9 or 10, characterized in that, for a flexible wire of cross-section appreciably equal to 1.5 or 2.5 sq.mm, the diameter D of the cylindrical part will be comprised between 1.8 and 2.5 mm.
  12. The connector according to claim 11, characterized in that the diameter D of the cylindrical part (28) is appreciably equal to 2.1 mm.
  13. The connector according to claim 9 or 10, characterized in that the diameter D of the cylindrical part (28) is appreciably equal to 4 mm for flexible conductors of 4 or 6 sq.mm cross-section.
  14. The connector according to any one of the foregoing claims, characterized in that the above-mentioned conductor(s) (3) and/or the conical part (29) of the spike (27) is(are) covered by a coating protecting against oxidation and guaranteeing a good contact resistance, such as a coating containing tin.
  15. The connector according to any one of the foregoing claims, characterized in that the angle (α) at the peak of the pointed conical part (29) is comprised between 40 and 60°.
  16. The connector according to claim 15, characterized in that the angle (α) at the peak of the pointed conical part (29) is close to 40°.
  17. The connector according to any one of the foregoing claims, characterized in that the length of the spike (27) is such that, in the connected position, the end of the conical part (29) thereof is flush with or salient beyond the bottom part of the conductor (3).
  18. The connector according to any one of the foregoing claims, characterized in that the twisting pitch of the conductors (3) is about 19 mm.
  19. The connector according to any one of the foregoing claims, characterized in that the conductors (3) belong to a flat cable with double insulation (4).
  20. The connector according to claim 19, characterized in that the insulating braid (31) of the cable (4) is made of PVC.
EP98410006A 1997-02-10 1998-01-30 Insulation penetration connector Expired - Lifetime EP0860899B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9701699A FR2759499B1 (en) 1997-02-10 1997-02-10 CONNECTION DEVICE AND CONNECTOR WITH INSULATION PERFORATION WHICH MAY INCORPORATE SUCH A DEVICE
FR9701699 1997-02-10

Publications (2)

Publication Number Publication Date
EP0860899A1 EP0860899A1 (en) 1998-08-26
EP0860899B1 true EP0860899B1 (en) 2002-04-03

Family

ID=9503686

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98410006A Expired - Lifetime EP0860899B1 (en) 1997-02-10 1998-01-30 Insulation penetration connector

Country Status (7)

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EP (1) EP0860899B1 (en)
AT (1) ATE215749T1 (en)
DE (1) DE69804524T2 (en)
DK (1) DK0860899T3 (en)
ES (1) ES2175639T3 (en)
FR (1) FR2759499B1 (en)
NO (1) NO314739B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10133659A1 (en) * 2001-07-11 2003-01-30 Daetwyler Ag Connection device for tapping a flat cable
GB2419240A (en) * 2004-10-15 2006-04-19 Tt Electronics Plc Connector for multicore cable with positionable pin
DE202005005568U1 (en) * 2005-04-07 2006-08-17 Paulmann Licht Gmbh Adapter device for contacting at least one electrical supply line, in particular a lighting system
DE102006032275B3 (en) 2006-07-12 2008-01-03 Tyco Electronics Amp Gmbh Electrical connecting device for connecting solar module with solar module arrangement by electrical conductor, has part of housing and part of contacted electrical conductor, which are surrounded by common sleeve
TWI731648B (en) * 2020-04-10 2021-06-21 禾昌興業股份有限公司 Light source module connector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331167A1 (en) * 1975-11-07 1977-06-03 Sabir Electric cable connecting strip for tapping connection - has screw penetrating through insulation of existing cable and hole with screw for tapping
EP0573368A1 (en) * 1992-06-04 1993-12-08 Schneider Electric Sa Quick connect electrical distribution device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4997388A (en) * 1989-08-28 1991-03-05 Amp Incorporated Electrical tap connector
US5055065A (en) * 1989-11-29 1991-10-08 Marcella Pearl Snap
WO1995003615A1 (en) * 1993-07-21 1995-02-02 Alwin Stoll Kabelkonfektion Ag Branch box system for flat cables
DE4402837C2 (en) * 1994-01-31 1998-08-06 Daetwyler Ag Electrical installation system, formed by flat cable and connection device
DE4412783A1 (en) * 1994-04-18 1995-10-19 Escha Bauelemente Gmbh Distributor connection unit for bus cables

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331167A1 (en) * 1975-11-07 1977-06-03 Sabir Electric cable connecting strip for tapping connection - has screw penetrating through insulation of existing cable and hole with screw for tapping
EP0573368A1 (en) * 1992-06-04 1993-12-08 Schneider Electric Sa Quick connect electrical distribution device

Also Published As

Publication number Publication date
FR2759499A1 (en) 1998-08-14
ATE215749T1 (en) 2002-04-15
ES2175639T3 (en) 2002-11-16
NO314739B1 (en) 2003-05-12
DE69804524D1 (en) 2002-05-08
DE69804524T2 (en) 2002-09-26
NO980554D0 (en) 1998-02-09
FR2759499B1 (en) 1999-03-12
NO980554L (en) 1998-08-11
EP0860899A1 (en) 1998-08-26
DK0860899T3 (en) 2002-07-22

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