EP1059706B1 - Device for the connection of electronic units or modules - Google Patents

Device for the connection of electronic units or modules Download PDF

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Publication number
EP1059706B1
EP1059706B1 EP20000401634 EP00401634A EP1059706B1 EP 1059706 B1 EP1059706 B1 EP 1059706B1 EP 20000401634 EP20000401634 EP 20000401634 EP 00401634 A EP00401634 A EP 00401634A EP 1059706 B1 EP1059706 B1 EP 1059706B1
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EP
European Patent Office
Prior art keywords
type
connector
connection
connectors
bus
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
EP20000401634
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German (de)
French (fr)
Other versions
EP1059706A1 (en
Inventor
Jean-Marie Ing. Chabert
Jacky Pergent
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.)
Schneider Automation SAS
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Schneider Automation SAS
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Filing date
Publication date
Application filed by Schneider Automation SAS filed Critical Schneider Automation SAS
Publication of EP1059706A1 publication Critical patent/EP1059706A1/en
Application granted granted Critical
Publication of EP1059706B1 publication Critical patent/EP1059706B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/02—Intermediate parts for distributing energy to two or more circuits in parallel, e.g. splitter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • H01R27/02—Coupling parts adapted for co-operation with two or more dissimilar counterparts for simultaneous co-operation with two or more dissimilar counterparts

Definitions

  • the present invention relates to an electrical connection device of least two electronic devices or modules, including modules of automation, to form a communication bus such as a field bus.
  • the present invention aims to combine the advantages of both previous solutions namely to maintain a low cost of connection per device while keeping the ability to disconnect an uninterrupted device from the bus communication.
  • documents US 5855494 and US 5679023 show connecting devices consisting of a connecting cord which comprises a end a first type of connector and at the other end a branch box comprising two identical connectors of a second type.
  • a connecting cord which comprises a end a first type of connector and at the other end a branch box comprising two identical connectors of a second type.
  • the junction box is not symmetrical, for example when the derivation points (eg welds) inside the junction box were voluntarily made at most near one of the two connectors to limit the bypass distances.
  • the electrical connection device of at least two electronic devices or modules consists of a connecting cable multiconductors connecting the devices to each other.
  • This cord includes a first end a type 2 connector, overmolded with the cord and is characterized by the the other end includes an incorporated bypass box, for example overmolded with the cord, receiving two connectors: a first connector type 1 to allow connection to an adjacent connection device and a second type 2 connector to allow connection to a type 1 connector of a device, the junction box ensuring the continuity wire-to-wire of all conductors of the cord.
  • Type 1 connectors on the one hand and type 2 on the other hand are of complementary nature allowing them to mate between them.
  • Elements 11 and 20 are not dissociable between them, thus allowing avoid setting up two additional connectors to associate them.
  • An apparatus or an electronic module 30, intended to be connected to the bus of communication, is equipped with a Type 1 connector 31 which can mate with the second connector 21 of type 2 located on the connection device 10.
  • Another device or electronic module 30 ' can, in the same way, be connect to the communication bus by coupling a 31 'type 1 connector to the connector 21 'of type 2 of a connection device 10' identical to 10.
  • the continuity of the communication bus is ensured by the connection between the connector 12 of type 2 belonging to the device 10 with the connector 22 'of type 1 belonging to to the device 10 '.
  • the device 30 ' is the last device to be connected to the bus it is possible to directly connect the connector 31 'of type 1 from this apparatus 30 'to the connector 12 of type 2 of the adjacent connection device 10, thus avoiding the use of an additional device 10 '.
  • the connectors 31, 22 of type 1 for example male connectors
  • connectors 12, 21 of type 2 eg female connectors
  • the couplings between the connectors 31 and 21, 22 and 12, 31 and 12 can be made by any means deemed effective for maintaining the connection, for example by screwing or by snapping.
  • FIG. 2 details the inside of a junction box 20 according to the mode of embodiment of FIG. 1.
  • This housing comprises in particular a printed circuit 25 on which electrical connections are made.
  • the multiconductor flexible cord 11 is fixed to the housing 20 via a part 24 and its drivers are soldered on a face 25b of the printed circuit 25.
  • the connector 22 of type 1 comprises a base 22a which is fixed on the same face 25b of the printed circuit, next to the connecting cord 11.
  • the connector 21 of type 2 comprises a base 21a which is fixed on the opposite face 25a of the printed circuit, in the extension of the cord 11.
  • the electrical connections to inside the junction box are made by wire-to-wire connection without need to use a printed circuit board.

Landscapes

  • Connection Or Junction Boxes (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Description

La présente invention concerne un dispositif de raccordement électrique d'au moins deux appareils ou modules électroniques, notamment de modules d'automatisme, pour former un bus de communication tel qu'un bus de terrain.The present invention relates to an electrical connection device of least two electronic devices or modules, including modules of automation, to form a communication bus such as a field bus.

De manière connue, le raccordement de plusieurs appareils tout au long d'un bus de communication s'effectue soit par chaínage des appareils entre eux, soit par dérivation du bus par exemple à l'aide d'un T de dérivation :

  • Le chaínage consiste à relier des appareils entre eux au moyen de cordons de liaison. Sur chaque appareil, deux dispositifs de raccordement sont installés : un pour l'arrivée du bus de communication en provenance de l'appareil précédent, un pour son départ vers l'appareil suivant. Ceci nécessite donc deux connecteurs par appareil, plus un connecteur pour chaque extrémité de cordon de liaison, soit un total de quatre connecteurs par appareil connecté. L'inconvénient de ce type de câblage est que la déconnexion d'un appareil (pour un remplacement ou une intervention) entraíne une coupure du bus de communication pouvant être néfaste au fonctionnement global de l'installation. Néanmoins, ce type de raccordement peut être rendu nécessaire dans le cas où chaque appareil doit amplifier les signaux du bus pour l'appareil suivant.
  • Dans un raccordement par dérivation, on utilise une pièce appelée T de dérivation qui possède trois connecteurs : deux sont utilisés pour relier entre eux les cordons de liaison entre appareils, formant ainsi la continuité du bus de communication, la troisième est utilisée ensuite pour raccorder chaque appareil par dérivation. Il est ainsi possible de remplacer ou retirer un appareil défectueux sans que les autres appareils connectés au bus ne soient électriquement perturbés. Cependant, ce type de raccordement présente un coût plus élevé lié à la présence du T de dérivation impliquant une pièce supplémentaire ainsi qu'un nombre plus important de connecteurs. En effet, pour chaque appareil connecté, il faut six connecteurs répartis comme suit : deux connecteurs pour les cordons de liaison, un connecteur pour l'appareil et trois connecteurs pour le T de dérivation.
In known manner, the connection of several devices along a communication bus is performed either by chaining the devices together, or by bus derivation for example using a derivation T:
  • The chaining consists of connecting devices to each other by means of connecting cords. On each device, two connection devices are installed: one for the arrival of the communication bus from the previous device, one for its departure to the next device. This therefore requires two connectors per device, plus one connector for each end of the connection cord, a total of four connectors per connected device. The disadvantage of this type of wiring is that the disconnection of a device (for a replacement or an intervention) causes a cut in the communication bus may be detrimental to the overall operation of the installation. Nevertheless, this type of connection may be necessary in the case where each device has to amplify the bus signals for the next device.
  • In a bypass connection, a so-called shunt piece T is used which has three connectors: two are used to interconnect the connection cables between devices, thus forming the continuity of the communication bus, the third is then used to connect each bypass device. It is thus possible to replace or remove a faulty device without the other devices connected to the bus being electrically disturbed. However, this type of connection has a higher cost associated with the presence of the bypass T involving an additional part as well as a larger number of connectors. Indeed, for each connected device, there are six connectors distributed as follows: two connectors for the connecting cords, a connector for the device and three connectors for the bypass T.

La présente invention a pour but de combiner les avantages des deux précédentes solutions à savoir maintenir un faible coût de connexion par appareil tout en gardant la possibilité de déconnecter un appareil sans coupure du bus de communication.The present invention aims to combine the advantages of both previous solutions namely to maintain a low cost of connection per device while keeping the ability to disconnect an uninterrupted device from the bus communication.

Par ailleurs, les documents US 5855494 et US 5679023 montrent des dispositifs de raccordement constitués par un cordon de liaison qui comporte à une extrémité un premier type de connecteur et à l'autre extrémité un boítier de dérivation comprenant deux connecteurs identiques d'un second type. Cependant, lorsqu'un utilisateur veut brancher un appareil sur l'un des connecteurs contenus sur un tel boítier de dérivation, il lui est matériellement possible de le faire sur l'un ou l'autre des deux connecteurs identiques. Ceci est désavantageux lorsque le boítier de dérivation n'est pas symétrique, par exemple lorsque les points de dérivation (par exemple des soudures) à l'intérieur du boítier de dérivation ont été volontairement réalisés au plus près de l'un des deux connecteurs pour limiter les distances de dérivation.Furthermore, documents US 5855494 and US 5679023 show connecting devices consisting of a connecting cord which comprises a end a first type of connector and at the other end a branch box comprising two identical connectors of a second type. However, when user wants to connect a device to one of the connectors contained on such diversion box, it is materially possible for him to do so on one or other of the two identical connectors. This is disadvantageous when the junction box is not symmetrical, for example when the derivation points (eg welds) inside the junction box were voluntarily made at most near one of the two connectors to limit the bypass distances.

Selon l'invention, le dispositif de raccordement électrique d'au moins deux appareils ou modules électroniques est constitué par un cordon de liaison multiconducteurs reliant les appareils entre eux. Ce cordon comprend à une première extrémité un connecteur de type 2, surmoulé avec le cordon et se caractérise par le fait que l'autre extrémité comporte un boítier de dérivation incorporé, par exemple surmoulé avec le cordon, recevant deux connecteurs : un premier connecteur de type 1 pour permettre la connexion à un dispositif de raccordement adjacent et un second connecteur de type 2 pour permettre la connexion avec un connecteur de type 1 d'un appareil, le boítier de dérivation assurant ainsi la continuité fil-à-fil de l'ensemble des conducteurs du cordon. Les connecteurs de type 1 d'une part et les connecteurs de type 2 d'autre part sont de nature complémentaire leur permettant de s'accoupler entre eux.According to the invention, the electrical connection device of at least two electronic devices or modules consists of a connecting cable multiconductors connecting the devices to each other. This cord includes a first end a type 2 connector, overmolded with the cord and is characterized by the the other end includes an incorporated bypass box, for example overmolded with the cord, receiving two connectors: a first connector type 1 to allow connection to an adjacent connection device and a second type 2 connector to allow connection to a type 1 connector of a device, the junction box ensuring the continuity wire-to-wire of all conductors of the cord. Type 1 connectors on the one hand and type 2 on the other hand are of complementary nature allowing them to mate between them.

L'invention va maintenant être décrite de façon détaillée en se référant à des modes de réalisation donnés à titre d'exemple et représentés par les dessins annexés sur lesquels :

  • la figure 1 montre le schéma du dispositif de raccordement selon un mode de réalisation de l'invention,
  • la figure 2 montre une vue éclatée d'un boítier de dérivation selon ce même mode de réalisation,
  • la figure 3 montre une vue d'un boítier de dérivation selon un autre mode de réalisation de l'invention.
The invention will now be described in detail with reference to embodiments given by way of example and represented by the accompanying drawings in which:
  • FIG. 1 shows the diagram of the connection device according to one embodiment of the invention,
  • FIG. 2 shows an exploded view of a junction box according to this same embodiment,
  • Figure 3 shows a view of a junction box according to another embodiment of the invention.

Selon le mode de réalisation représenté sur la figure 1, le dispositif de raccordement 10 est constitué par un cordon souple 11 multiconducteurs dont une première extrémité comporte un connecteur 12 de type 2 (par exemple un connecteur femelle) surmoulé avec le cordon 11 et dont la seconde extrémité comporte un boítier de dérivation 20, également surmoulé avec le cordon 11, lequel boítier comporte :

  • sur une face 20b opposée à la face 20a, un premier connecteur 22 de type 1 (par exemple un connecteur mâle), suivant un axe Y approximativement parallèle à X.
  • sur une de ses faces 20a, un second connecteur 21 de type 2 disposé dans le prolongement du cordon 11 suivant un axe X.
According to the embodiment shown in FIG. 1, the connection device 10 is constituted by a flexible multiconductor cord 11 whose first end comprises a connector 12 of type 2 (for example a female connector) overmolded with the cord 11 and whose second end comprises a branch box 20, also overmolded with the cord 11, which housing comprises:
  • on a face 20b opposite the face 20a, a first connector 22 of type 1 (for example a male connector), along an axis Y approximately parallel to X.
  • on one of its faces 20a, a second connector 21 of type 2 disposed in the extension of the cord 11 along an axis X.

Les éléments 11 et 20 ne sont pas dissociables entre eux permettant ainsi d'éviter la mise en place de deux connecteurs supplémentaires pour les associer.Elements 11 and 20 are not dissociable between them, thus allowing avoid setting up two additional connectors to associate them.

Un appareil ou un module électronique 30, destiné à être raccordé au bus de communication, est muni d'un connecteur 31 de type 1 qui peut s'accoupler avec le second connecteur 21 de type 2 situé sur le dispositif de raccordement 10.An apparatus or an electronic module 30, intended to be connected to the bus of communication, is equipped with a Type 1 connector 31 which can mate with the second connector 21 of type 2 located on the connection device 10.

Un autre appareil ou module électronique 30' peut, de la même façon, se raccorder au bus de communication par l'accouplement d'un connecteur 31' de type 1 au connecteur 21' de type 2 d'un dispositif de raccordement 10' identique à 10. La continuité du bus de communication est assurée par la connexion entre le connecteur 12 de type 2 appartenant au dispositif 10 avec le connecteur 22' de type 1 appartenant au dispositif 10'.Another device or electronic module 30 'can, in the same way, be connect to the communication bus by coupling a 31 'type 1 connector to the connector 21 'of type 2 of a connection device 10' identical to 10. The continuity of the communication bus is ensured by the connection between the connector 12 of type 2 belonging to the device 10 with the connector 22 'of type 1 belonging to to the device 10 '.

Dans le cas où l'appareil 30' serait le dernier appareil à être connecté au bus de communication, il est possible de raccorder directement le connecteur 31' de type 1 de cet appareil 30' au connecteur 12 de type 2 du dispositif de raccordement adjacent 10, évitant ainsi l'utilisation d'un dispositif 10' supplémentaire.In the case where the device 30 'is the last device to be connected to the bus it is possible to directly connect the connector 31 'of type 1 from this apparatus 30 'to the connector 12 of type 2 of the adjacent connection device 10, thus avoiding the use of an additional device 10 '.

Les connecteurs 31, 22 de type 1 (par exemple des connecteurs mâle) d'une part et les connecteurs 12, 21 de type 2 (par exemple des connecteurs femelle) d'autre part sont de nature complémentaire, pouvant s'accoupler entre eux. Les accouplements entre les connecteurs 31 et 21, 22 et 12, 31 et 12 peuvent se faire par tout moyen jugé efficace pour le maintien de la connexion, par exemple par vissage ou par encliquetage.The connectors 31, 22 of type 1 (for example male connectors) of a parts and connectors 12, 21 of type 2 (eg female connectors) part are of complementary nature, being able to mate with each other. The couplings between the connectors 31 and 21, 22 and 12, 31 and 12 can be made by any means deemed effective for maintaining the connection, for example by screwing or by snapping.

Lorsqu'un utilisateur veut connecter un appareil 30 à un boítier de dérivation 20, il ne lui est pas possible de se tromper car seul le connecteur 21 de type 2 du boítier de dérivation 20 peut s'accoupler avec le connecteur 31 de type 1 de l'appareil 30. Donc, on évite ainsi des erreurs de connexion ce qui fait que cette solution est particulièrement adaptée lorsque le boítier de dérivation 20 a été conçu de manière non symétrique, notamment lorsque les points de dérivation internes, par exemple constitués par des soudures, du boítier de dérivation ont été réalisés au plus près du connecteur 21 pour limiter les distances de dérivation du bus de communication.When a user wants to connect a device 30 to a junction box 20, it is not possible for him to be wrong because only the connector 21 of type 2 of the junction box 20 can mate with the connector 31 type 1 of the device 30. So, we avoid connection errors so that this solution is particularly suitable when the junction box 20 has been designed so unsymmetrical, especially when internal bypass points, for example constituted by welds, the junction box were made closer to the connector 21 to limit the bypass distances of the communication bus.

La figure 2 détaille l'intérieur d'un boítier de dérivation 20 selon le mode de réalisation de la figure 1. Ce boítier comprend notamment un circuit imprimé 25 sur lequel sont effectuées les connexions électriques. Le cordon souple multiconducteurs 11 est fixé au boítier 20 par l'intermédiaire d'une pièce 24 et ses conducteurs sont soudés sur une face 25b du circuit imprimé 25. Le connecteur 22 de type 1 comporte une base 22a qui est fixée sur cette même face 25b du circuit imprimé, à côté du cordon de liaison 11. Le connecteur 21 de type 2 comporte une base 21a qui est fixée sur la face opposée 25a du circuit imprimé, dans le prolongement du cordon 11.FIG. 2 details the inside of a junction box 20 according to the mode of embodiment of FIG. 1. This housing comprises in particular a printed circuit 25 on which electrical connections are made. The multiconductor flexible cord 11 is fixed to the housing 20 via a part 24 and its drivers are soldered on a face 25b of the printed circuit 25. The connector 22 of type 1 comprises a base 22a which is fixed on the same face 25b of the printed circuit, next to the connecting cord 11. The connector 21 of type 2 comprises a base 21a which is fixed on the opposite face 25a of the printed circuit, in the extension of the cord 11.

Il est possible de modifier le mode de réalisation du dispositif de raccordement sans sortir du cadre de la présente invention. Par exemple, selon un mode de réalisation représenté sur la figure 3, le boítier de dérivation 20 du dispositif de raccordement, solidaire du cordon de liaison 11, comporte :

  • sur une face 20b opposée à la face 20a, un premier connecteur 22 de type 1, suivant un axe Y.
  • sur une de ses faces 20a, un second connecteur 21 de type 2 suivant ce même axe Y.
It is possible to modify the embodiment of the connection device without departing from the scope of the present invention. For example, according to an embodiment shown in FIG. 3, the junction box 20 of the connection device, integral with the connecting cord 11, comprises:
  • on a face 20b opposite to the face 20a, a first connector 22 of type 1, along a Y axis.
  • on one of its faces 20a, a second connector 21 of type 2 along the same axis Y.

Dans ce mode de réalisation particulier, les connexions électriques à l'intérieur du boítier de dérivation sont faites par raccordement fil-à-fil sans nécessité d'utiliser un circuit imprimé.In this particular embodiment, the electrical connections to inside the junction box are made by wire-to-wire connection without need to use a printed circuit board.

Claims (2)

  1. Electrical connection device for at least two electronic units or modules comprising a multiconductor connecting cable connecting the units together, having at one end a type 2 connector insert molded on the cable, and the other end of the cable is fitted with a built-in branch box, this branch box being fitted with two connectors : a first type 1 connector to enable connection to an adjacent connection device and a second connector for connection with a connector on a unit, the branch box thus ensuring wire-to-wire continuity of all conductors in the cable, and wherein the second connector of the built-in branch box is a type 1 and the connector of the unit is a type 2 and wherein the type 1 connectors and the type 2 connectors are complementary to each other so that they can be coupled together.
  2. Device according to claim 1, wherein a last unit can be connected by coupling the type 1 connector on the last unit to the type 2 connector on the adjacent connection device without the need for an additional connection device.
EP20000401634 1999-06-11 2000-06-08 Device for the connection of electronic units or modules Expired - Lifetime EP1059706B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9907521A FR2794904B1 (en) 1999-06-11 1999-06-11 DEVICE FOR CONNECTING ELECTRONIC DEVICES OR MODULES
FR9907521 1999-06-11

Publications (2)

Publication Number Publication Date
EP1059706A1 EP1059706A1 (en) 2000-12-13
EP1059706B1 true EP1059706B1 (en) 2005-03-23

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EP20000401634 Expired - Lifetime EP1059706B1 (en) 1999-06-11 2000-06-08 Device for the connection of electronic units or modules

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EP (1) EP1059706B1 (en)
DE (1) DE60018847T2 (en)
ES (1) ES2239580T3 (en)
FR (1) FR2794904B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1696519A1 (en) * 2005-02-25 2006-08-30 High Performance Enterprise Public Limited Company A cable arrangement
DE102011115143A1 (en) * 2011-09-27 2013-03-28 Wurm Gmbh & Co. Kg Elektronische Systeme Temperature measuring module and temperature measuring system
SE545230C2 (en) * 2021-07-06 2023-05-30 Scania Cv Ab An arrangement for signal transmission between a plurality of electrical units of a daisy chain

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3332908A1 (en) * 1983-09-13 1985-03-21 Bernd Dipl.-Ing. Dr. 4410 Warendorf Heiland Slave switch
US5679023A (en) * 1995-08-23 1997-10-21 Nsi Enterprises, Inc. Female cable connector head for relocatable wiring systems and methods for manufacture thereof
US5855494A (en) * 1997-05-05 1999-01-05 3 Com Corp. Apparatus and method for electrically connecting a plurality of electronic modules
US5885109A (en) * 1997-10-16 1999-03-23 Lee; Chiu-Shan Electrical adapters

Also Published As

Publication number Publication date
FR2794904B1 (en) 2001-07-13
ES2239580T3 (en) 2005-10-01
EP1059706A1 (en) 2000-12-13
DE60018847T2 (en) 2005-09-01
DE60018847D1 (en) 2005-04-28
FR2794904A1 (en) 2000-12-15

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