EP0692842A1 - Electrical connection of a cable to a terminal and terminal therefor - Google Patents

Electrical connection of a cable to a terminal and terminal therefor Download PDF

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Publication number
EP0692842A1
EP0692842A1 EP95401508A EP95401508A EP0692842A1 EP 0692842 A1 EP0692842 A1 EP 0692842A1 EP 95401508 A EP95401508 A EP 95401508A EP 95401508 A EP95401508 A EP 95401508A EP 0692842 A1 EP0692842 A1 EP 0692842A1
Authority
EP
European Patent Office
Prior art keywords
terminal
cable
electrical connection
connector
parts
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.)
Withdrawn
Application number
EP95401508A
Other languages
German (de)
French (fr)
Inventor
Jean-Joel Laurent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe dExploitation des Procedes Marechal SEPM SA
Original Assignee
Societe dExploitation des Procedes Marechal SEPM SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Societe dExploitation des Procedes Marechal SEPM SA filed Critical Societe dExploitation des Procedes Marechal SEPM SA
Publication of EP0692842A1 publication Critical patent/EP0692842A1/en
Withdrawn legal-status Critical Current

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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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/025—Contact members formed by the conductors of a cable end
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted

Definitions

  • the invention relates to an electrical connection of a cable to a contact terminal and terminal thus wired.
  • Joule's law teaches us that the heat energy released in a conductor by the passage of a current is proportional to the square of the intensity, proportional to the time of passage of the current and proportional to the resistance of the conductor.
  • One of the applications of a mobile connection element resides for example in the constitution of one of the elements of a charging connector, the other element being the base of the connector, and more particularly still in the constitution of a charging connector for an electric vehicle, the connector base then being disposed in said vehicle.
  • a charging connector for an electric vehicle must allow rapid charging while the mobile socket must be as manageable as possible, that is to say provided with the most flexible connection cable possible.
  • the heating must be limited to avoid compromising safety, and / or reliability and / or failing to comply with certain standards.
  • the invention provides a particular connection for contact terminal which is remarkable in that the end of the cable is separated into at least two parts, the ends of which are stripped and fixed to said terminal while the two parts are move away from each other at the terminal exit.
  • the ends of the separate parts of the cable are fixed by welding.
  • the ends of the separate parts of the cable are introduced and secured in a bore formed in the terminal.
  • the separate parts of the cable are welded on either side of a plate with which the terminal is provided.
  • the invention also relates to a terminal thus wired and according to one embodiment it is provided with an elastic means in order to produce a bending contact.
  • Such a terminal can be used for numerous applications and equip, for example, a plug and / or a mobile socket and / or a socket outlet or connector.
  • FIGS. 1, 2 and 3 show three embodiments of pairs of contact terminals according to the invention.
  • a cable 12, 13 is connected to each terminal; 22, 23; 32, 33.
  • the terminals 10, 11 and 30, 31 are end contact terminals, one of the terminals 10, 30 of each of the pairs 10, 11; 30, 31 also being here at elastic pressure thanks to a spring 14, 34, so that the pressure and the flexibility are effected perpendicular to the respective cables 12, 13 and 32, 33.
  • the terminals 20 and 21 are terminals for contacts of the radial force type (pins and cells), the terminal 20 can of course also be provided with an elastic means such as the aforementioned springs 14 and 34.
  • connection cables 12, 13; 22, 23; 32, 33 are split and therefore each have two parts respectively 12a, 12b, 13a, 13b; 22a, 22b, 23a, 23b; 32a, 32b, 33a, 33b, the ends of which are stripped and fixed by welding to / or in the corresponding terminals 10, 11; 20, 21; 30, 31.
  • the terminals 10, 11 and 20, 21 of the figures 1 and 2 respectively have bores 15, 16 and 25, 26, into which the ends of the split and stripped parts of each cable are introduced.
  • the terminals 30 and 31 are each in the form of a plate on either side of which the parts 32a, 32b; 33a, 33b of the cables are soldered.
  • a support 17 can be provided for grouping the various split cables, in order to constitute, as already said, a power cable, in the form of a ribbon or of ribbon.
  • the terminals according to the invention are intended to equip numerous devices and in particular the base and the mobile socket of a charging connector, in particular for an electric vehicle.
  • the invention also makes it possible to design a so-called rapid charging system, that is to say a high intensity with reduced heating, without affecting the bulk and further promoting flexibility of the wiring.

Abstract

The connector (10) is used with cabling (12) made up of a wire bundle with an outer cover which is stripped at its ends, with the two cable ends being slid into a hole (15) in the connector (10). The cable ends are soldered in place. The connector is placed on a spring base (14). The base (11) of the connector has a second hole (16) into which are slid a second set of stripped ends (13a,13b) of cables (13). A holding piece (17) can be used to hold the cables in place. <IMAGE>

Description

L'invention concerne une connexion électrique d'un câble sur une borne de contact et borne ainsi câblée.The invention relates to an electrical connection of a cable to a contact terminal and terminal thus wired.

La loi de Joule nous apprend que l'énergie calorifique dégagée dans un conducteur par le passage d'un courant est proportionnelle au carré de l'intensité, proportionnelle au temps de passage du courant et proportionnelle à la résistance du conducteur.Joule's law teaches us that the heat energy released in a conductor by the passage of a current is proportional to the square of the intensity, proportional to the time of passage of the current and proportional to the resistance of the conductor.

Par ailleurs, on sait que la résistance d'un conducteur est inversement proportionnelle à sa section.Furthermore, we know that the resistance of a conductor is inversely proportional to its section.

C'est pourquoi il est bien connu d'augmenter la section des conducteurs au fur et à mesure de l'augmentation de l'intensité du courant qui les parcourt.This is why it is well known to increase the cross section of the conductors as the intensity of the current flowing through them increases.

Il est clair cependant qu'une telle augmentation de section peut être néfaste pour d'autres raisons et en particulier pour des raisons d'encombrement et de souplesse du conducteur.It is clear however that such an increase in section can be harmful for other reasons and in particular for reasons of space and flexibility of the driver.

C'est par exemple le cas lorsque l'on veut concevoir un élément mobile de connexion dont la maniabilité est d'autant plus réduite que la section du câble de connexion est importante.This is for example the case when it is desired to design a mobile connection element, the maneuverability of which is all the more reduced as the cross section of the connection cable is large.

L'une des applications d'un élément mobile de connexion réside par exemple dans la constitution de l'un des éléments d'un connecteur de charge, l'autre élément étant le socle du connecteur, et plus particulièrement encore dans la constitution d'un connecteur de charge pour véhicule électrique, le socle du connecteur étant alors disposé dans ledit véhicule.One of the applications of a mobile connection element resides for example in the constitution of one of the elements of a charging connector, the other element being the base of the connector, and more particularly still in the constitution of a charging connector for an electric vehicle, the connector base then being disposed in said vehicle.

Un connecteur de charge pour véhicule électrique doit permettre une charge rapide alors que la prise mobile doit être la plus maniable possible, c'est-à-dire munie d'un câble de liaison le plus souple possible.A charging connector for an electric vehicle must allow rapid charging while the mobile socket must be as manageable as possible, that is to say provided with the most flexible connection cable possible.

Pour une charge rapide, il y a lieu de faire passer un courant d'intensité maximale et pour une meilleure maniabilité, il y a lieu de réduire au mieux la section du câble, ce qui est contradictoire notamment en raison de l'échauffement.For a fast charge, it is necessary to pass a current of maximum intensity and for better maneuverability, it is necessary to reduce the section of the cable as much as possible, which is contradictory in particular due to the heating.

L'échauffement doit obligatoirement être limité sous peine de nuire à la sécurité, et/ou à la fiabilité et/ou sous peine de ne pas pouvoir respecter certaines normes.The heating must be limited to avoid compromising safety, and / or reliability and / or failing to comply with certain standards.

Il est clair qu'en raisonnant en énergie calorifique dégagée, une division par deux de la section d'un câble, l'effet Joule calculé par demi-câble est réduit de moitié ce qui ne semble pas a priori, résoudre le problème de l'échauffement. En effet, même si dans un câble, l'élévation de température ne correspond pas tout à fait à la formule de Joule, elle en est assez voisine.It is clear that by reasoning in released heat energy, a division by two of the section of a cable, the Joule effect calculated by half-cable is halved which does not seem a priori, solve the problem of overheating. Indeed, even if in a cable, the temperature rise does not quite correspond to the Joule formula, it is quite close to it.

Or l'inventeur a trouvé qu'en dédoublant un câble au niveau de sa connexion avec un contact, cela procurait un gain important sur l'échauffement de la borne par rapport à un système muni d'un câble non dédoublé.However, the inventor has found that by splitting a cable at its connection with a contact, this provides a significant gain in the heating of the terminal compared to a system provided with a cable not split.

En effet au niveau du contact proprement dit, il semble qu'il faut raisonner en variation de température et non en énergie calorifique dégagée.Indeed at the level of the contact itself, it seems that we must reason in temperature variation and not in released heat energy.

C'est pourquoi l'invention propose une connexion particulière pour borne de contact qui est remarquable en ce que l'extrémité du câble est séparée en au moins deux parties dont les extrémités sont dénudées et fixées à ladite borne tandis que les deux parties s'écartent l'une de l'autre à la sortie de la borne.This is why the invention provides a particular connection for contact terminal which is remarkable in that the end of the cable is separated into at least two parts, the ends of which are stripped and fixed to said terminal while the two parts are move away from each other at the terminal exit.

En outre pour assurer une meilleure souplesse du câble d'alimentation d'un appareil, il peut être avantageux d'utiliser un câble dont les divers conducteurs ou sous-câbles constitutifs sont disposés en nappe ou en ruban et on comprend que l'invention favorise une telle disposition.In addition to ensure better flexibility of the power cable of an appliance, it may be advantageous to use a cable whose various conductors or sub-cables are arranged in a sheet or ribbon and it is understood that the invention promotes such a provision.

De préférence, la fixation des extrémités des parties séparées du câble est réalisée par soudure.Preferably, the ends of the separate parts of the cable are fixed by welding.

Selon un mode de réalisation les extrémités des parties séparées du câble sont introduites et solidarisées dans un alésage ménagé dans la borne.According to one embodiment, the ends of the separate parts of the cable are introduced and secured in a bore formed in the terminal.

Selon un autre mode de réalisation, les parties séparées du câble sont soudées de part et d'autre d'une plaquette dont est pourvue la borne.According to another embodiment, the separate parts of the cable are welded on either side of a plate with which the terminal is provided.

Il est clair que l'invention concerne aussi une borne ainsi câblée et selon un mode de réalisation elle est pourvue d'un moyen élastique afin de réaliser un contact à flexion.It is clear that the invention also relates to a terminal thus wired and according to one embodiment it is provided with an elastic means in order to produce a bending contact.

Il est clair aussi qu'une telle borne peut être utilisée pour de nombreuses applications et équiper par exemple une fiche et/ou une prise mobile et/ou un socle de prise de courant ou de connecteur.It is also clear that such a terminal can be used for numerous applications and equip, for example, a plug and / or a mobile socket and / or a socket outlet or connector.

L'invention sera bien comprise à la lecture de la description qui va suivre et qui se réfère aux dessins annexés dans lesquels les figures 1, 2 et 3 montrent trois modes de réalisation de paires de bornes contact selon l'invention.The invention will be clearly understood on reading the description which follows and which refers to the appended drawings in which FIGS. 1, 2 and 3 show three embodiments of pairs of contact terminals according to the invention.

Sur ces figures on a représenté à titre d'exemple des paires de bornes de contact respectivement 10, 11 (figure 1), 20, 21 (figure 2) et 30, 31 (figure 3).In these figures are shown by way of example pairs of contact terminals respectively 10, 11 (Figure 1), 20, 21 (Figure 2) and 30, 31 (Figure 3).

A chaque borne est connecté un câble 12, 13; 22, 23; 32, 33. A titre d'exemple, les bornes 10, 11 et 30, 31 sont des bornes de contact en bout, l'une des bornes 10, 30 de chacune des paires 10, 11; 30, 31 étant en outre ici à pression élastique grâce à un ressort 14, 34, de telle sorte que la pression et la flexibilité s'effectuent perpendiculairement aux câbles respectifs 12, 13 et 32, 33.A cable 12, 13 is connected to each terminal; 22, 23; 32, 33. By way of example, the terminals 10, 11 and 30, 31 are end contact terminals, one of the terminals 10, 30 of each of the pairs 10, 11; 30, 31 also being here at elastic pressure thanks to a spring 14, 34, so that the pressure and the flexibility are effected perpendicular to the respective cables 12, 13 and 32, 33.

Les bornes 20 et 21 sont des bornes pour contacts du type à force radiale (broches et alvéoles), la borne 20 pouvant bien sûr être aussi pourvue d'un moyen élastique tel que les ressorts précités 14 et 34.The terminals 20 and 21 are terminals for contacts of the radial force type (pins and cells), the terminal 20 can of course also be provided with an elastic means such as the aforementioned springs 14 and 34.

Comme le montrent bien les dessins, les câbles de connexion 12, 13; 22, 23; 32, 33 sont dédoublés et présentent donc chacun deux parties respectivement 12a, 12b, 13a, 13b; 22a, 22b, 23a, 23b; 32a, 32b, 33a, 33b dont les extrémités sont dénudées et fixées par soudure sur/ou dans les bornes correspondantes 10, 11; 20, 21; 30, 31.As the drawings clearly show, the connection cables 12, 13; 22, 23; 32, 33 are split and therefore each have two parts respectively 12a, 12b, 13a, 13b; 22a, 22b, 23a, 23b; 32a, 32b, 33a, 33b, the ends of which are stripped and fixed by welding to / or in the corresponding terminals 10, 11; 20, 21; 30, 31.

Les bornes 10, 11 et 20, 21 des figures respectivement 1 et 2 présentent des alésages 15, 16 et 25, 26, dans lesquels sont introduites les extrémités des parties dédoublées et dénudées de chaque câble.The terminals 10, 11 and 20, 21 of the figures 1 and 2 respectively have bores 15, 16 and 25, 26, into which the ends of the split and stripped parts of each cable are introduced.

Lesdites extrémités sont accolées l'une à l'autre et soudées dans les alésages, mais les parties du câble se séparent tout de suite à la sortie desdits alésages comme le montrent les dessins.Said ends are joined to one another and welded in the bores, but the parts of the cable separate immediately at the exit of said bores as shown in the drawings.

Dans le mode de réalisation de la figure 3, les bornes 30 et 31 se présentent chacune sous la forme d'une plaquette de part et d'autre de laquelle les parties 32a, 32b; 33a, 33b des câbles sont soudées.In the embodiment of Figure 3, the terminals 30 and 31 are each in the form of a plate on either side of which the parts 32a, 32b; 33a, 33b of the cables are soldered.

Par ailleurs comme le montre la figure 1, un support 17 peut être prévu pour regrouper les divers câbles dédoublés, afin de constituer comme déjà dit un câble d'alimentation, sous forme de ruban ou de nappe.Furthermore, as shown in FIG. 1, a support 17 can be provided for grouping the various split cables, in order to constitute, as already said, a power cable, in the form of a ribbon or of ribbon.

Comme déjà dit aussi, les bornes selon l'invention sont destinées à équiper de nombreux appareils et en particulier le socle et la prise mobile d'un connecteur de charge notament pour véhicule électrique.As already said also, the terminals according to the invention are intended to equip numerous devices and in particular the base and the mobile socket of a charging connector, in particular for an electric vehicle.

L'invention permet en outre de concevoir un système de charge dit rapide, c'est-à-dire à forte intensité avec un échauffement réduit, sans nuire à l'encombrement et en favorisant en outre la souplesse du câblage.The invention also makes it possible to design a so-called rapid charging system, that is to say a high intensity with reduced heating, without affecting the bulk and further promoting flexibility of the wiring.

Claims (7)

1) Connexion électrique d'un câble (12,13; 22,23; 32,33) sur une borne de contact (10,11; 20,21; 30,31), caractérisée en ce que l'extrémité du câble (12,13; 22,23; 32,33) est séparée en au moins deux parties (12a,12b,13a,13b; 22a,22b,23a,23b; 32a,32b,33a,33b) dont les extrémités sont dénudées et fixées à ladite borne (10,11; 20,21; 30,31) tandis que les deux parties s'écartent l'une de l'autre à la sortie de la borne. 1) Electrical connection of a cable (12.13; 22.23; 32.33) to a contact terminal (10.11; 20.21; 30.31), characterized in that the end of the cable ( 12.13; 22.23; 32.33) is separated into at least two parts (12a, 12b, 13a, 13b; 22a, 22b, 23a, 23b; 32a, 32b, 33a, 33b) whose ends are stripped and fixed to said terminal (10,11; 20,21; 30,31) while the two parts deviate from each other at the output of the terminal. 2) Connexion électrique selon la revendication 1, caractérisée en ce que la fixation des extrémités des parties séparées du câble est réalisée par soudure. 2) Electrical connection according to claim 1, characterized in that the fixing of the ends of the separate parts of the cable is carried out by welding. 3) Connexion électrique selon l'une des revendications 1 et 2, caractérisée en ce que les extrémités des parties séparées (12a,12b; 13a,13b; 22a,22b; 22a,23b) du câble (12,13; 22,23) sont introduites et solidarisées dans un alésage (15,16; 25,26) ménagé dans la borne (10,11; 20,21). 3) Electrical connection according to one of claims 1 and 2, characterized in that the ends of the separate parts (12a, 12b; 13a, 13b; 22a, 22b; 22a, 23b) of the cable (12.13; 22.23 ) are introduced and secured in a bore (15,16; 25,26) formed in the terminal (10,11; 20,21). 4) Connexion électrique selon l'une des revendications 1 et 2, caractérisée en ce que les parties séparées (32a,32b; 33a,33b) du câble (32; 33) sont soudées de part et d'autre d'une plaquette dont est pourvue la borne (30; 31). 4) Electrical connection according to one of claims 1 and 2, characterized in that the separate parts (32a, 32b; 33a, 33b) of the cable (32; 33) are welded on either side of a plate whose is provided with the terminal (30; 31). 5) Borne de contact (10,11; 20,21; 30,31), caractérisée en ce qu'elle est câblée selon l'une des revendications 1 à 4. 5) Contact terminal (10.11; 20.21; 30.31), characterized in that it is wired according to one of claims 1 to 4. 6) Borne de contact (11; 31) selon la revendication 5, caractérisée en ce qu'elle est pourvue d'un moyen élastique (14; 34) afin de réaliser un contact à flexion. 6) Contact terminal (11; 31) according to claim 5, characterized in that it is provided with an elastic means (14; 34) in order to produce a bending contact. 7) Borne de contact (10,11; 20,21; 30,31) selon l'une des revendications 5 et 6, caractérisée en ce qu'elle est destinée à équiper une fiche et/ou une prise mobile et/ou un socle de prise de courant ou de connecteur. 7) Contact terminal (10,11; 20,21; 30,31) according to one of claims 5 and 6, characterized in that it is intended to equip a plug and / or a mobile socket and / or a socket outlet or connector.
EP95401508A 1994-07-12 1995-06-26 Electrical connection of a cable to a terminal and terminal therefor Withdrawn EP0692842A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9408608A FR2722613B1 (en) 1994-07-12 1994-07-12 ELECTRICAL CONNECTION OF A CABLE TO A CONTACT TERMINAL, AND TERMINAL THUS CABLEED
FR9408608 1994-07-12

Publications (1)

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EP0692842A1 true EP0692842A1 (en) 1996-01-17

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EP95401508A Withdrawn EP0692842A1 (en) 1994-07-12 1995-06-26 Electrical connection of a cable to a terminal and terminal therefor

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EP (1) EP0692842A1 (en)
JP (1) JPH0845566A (en)
KR (1) KR960006148A (en)
AU (1) AU2336495A (en)
CA (1) CA2152576A1 (en)
FR (1) FR2722613B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000018478A (en) * 1998-09-02 2000-04-06 유현식 Resin composition for water-screen sheet
KR100383400B1 (en) * 2000-02-17 2003-05-12 학교법인 계명기독학원 Rubber material and method for preparing thereof
KR20020063986A (en) * 2001-01-31 2002-08-07 삼성종합화학주식회사 Resin composition for tube or pipe in electronic and industrial field
KR102206643B1 (en) * 2013-12-24 2021-01-21 엘에스전선 주식회사 CMP grade UTP cable

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1093846B (en) * 1959-03-10 1960-12-01 Bbc Brown Boveri & Cie Electrical connection between a stripped wire end and a solder connection part of an electrical device
WO1994009531A1 (en) * 1992-10-12 1994-04-28 Raychem S.A. Electrical connector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1093846B (en) * 1959-03-10 1960-12-01 Bbc Brown Boveri & Cie Electrical connection between a stripped wire end and a solder connection part of an electrical device
WO1994009531A1 (en) * 1992-10-12 1994-04-28 Raychem S.A. Electrical connector

Also Published As

Publication number Publication date
JPH0845566A (en) 1996-02-16
FR2722613A1 (en) 1996-01-19
CA2152576A1 (en) 1996-01-13
FR2722613B1 (en) 1996-08-23
KR960006148A (en) 1996-02-23
AU2336495A (en) 1996-01-25

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