EP1278224B1 - Electrical terminal arrangement for two, next to each other, rail-mounted electrical devices - Google Patents

Electrical terminal arrangement for two, next to each other, rail-mounted electrical devices Download PDF

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Publication number
EP1278224B1
EP1278224B1 EP02354087A EP02354087A EP1278224B1 EP 1278224 B1 EP1278224 B1 EP 1278224B1 EP 02354087 A EP02354087 A EP 02354087A EP 02354087 A EP02354087 A EP 02354087A EP 1278224 B1 EP1278224 B1 EP 1278224B1
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EP
European Patent Office
Prior art keywords
accessory
support
conductor
terminal
clamp
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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
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EP02354087A
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German (de)
French (fr)
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EP1278224A1 (en
Inventor
Philippe Schneider Electric Industries SAS Canton
Thierry Schneider Electric Industr. SA Desbois
Bernard Schneider Electric Industries SAS Lebeau
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • H01H71/082—Connections between juxtaposed circuit breakers

Definitions

  • the present invention relates to a device for electrical connection of two devices mounted side by side on the same mounting bracket, the two devices being housed in a housing, one of the devices, said first, having output terminals and the other , said second, comprising electrical conductors leaving the housing of the device, the housing of the second device further comprising a support housing the aforementioned conductors and being intended to be brought opposite the output terminals of the first device so as to allow the electrical connection of the output terminals to the aforementioned conductors after the mechanical coupling of the two devices carried out.
  • An electrical protection device such as a modular circuit breaker is, in a manner known per se, housed in a substantially parallelepiped shaped casing and intended to be mounted on a mounting rail.
  • This apparatus comprises, located on either side of the rail, two connection faces respectively comprising input terminals and output terminals.
  • This apparatus is often associated with a differential protection device, also housed in a modular housing and intended to be mounted on the mounting rail at the side of the first apparatus, said differential apparatus comprising, protruding from the housing of the apparatus of a side of the rail, conductors intended to be electrically connected to the aforementioned output terminals of the circuit breaker. Before final assembly of the devices on the rail, these are first mechanically coupled.
  • the differential protection device comprises a material support with the housing of the differential device, said support being intended to house the conductors of the differential device and extending opposite the output terminals of the circuit breaker so that the ends of the conductors are located opposite said output terminals when the two devices are mechanically coupled.
  • the conductors of the differential apparatus are fixed relative to the support in which they are housed but are movably mounted with the same support, relative to the housing of the differential apparatus, perpendicularly to the rail, between a retracted position in wherein the carrier is remote from the circuit breaker box and the conductors not engaged in the circuit breaker terminals, and an unretracted position in which the carrier is brought closer to the circuit breaker box and the conductors engaged in the output terminals of the circuit breaker.
  • the connection operation is completed by tightening the terminal screws. The mechanical and electrical coupling of the devices is therefore achieved in two successive translation movements.
  • the present invention provides a connection device that otherwise provides the aforementioned electrical connection.
  • the present invention relates to an electrical connection device of the kind mentioned above, this device being characterized in that it comprises, for each output terminal associated with a conductor, an intermediate accessory for electrically connecting said terminal conductor audit, the or each accessory being movably mounted within said support, between a first position in which said accessory, not electrically connected to the corresponding output terminal, is retracted inside the support so as to allow the mechanical association of the devices and a non-retracted position in which said accessory is electrically connected to the corresponding output terminal, the or each accessory comprising a first means adapted to cooperate with the corresponding output terminal to achieve the aforementioned connection and a second means for electrically connecting said accessory to primary conductors so as to allow the aforementioned movement of said accessory.
  • this first means comprises means for making an automatic and definitive electrical connection of said accessory to the corresponding terminal of the first device when said accessory passes from the first to the second position.
  • this first means comprises a conductor in the form of a rigid strip, comprising an end capable of being tightened by a screw in a screw-type terminal and the other end of which is mechanically and electrically connected to the corresponding main conductor by the second aforementioned means so as to allow the movement of the accessory between the two aforementioned positions.
  • the device comprises locking means provided in part on the first support and in part on the second support.
  • a miniature circuit-breaker D and a differential block B are mounted on a mounting rail R.
  • the circuit-breaker D is housed in a modular housing and has on either side of the rail R input terminals 1 and terminals output 2.
  • the differential block B is housed in a housing having at its bottom rigid conductors 3 fixed relative to the housing of the apparatus, said conductors 3, said primary conductors, extending parallel to the rail R and being housed in a support 4, said first, integral with the housing of the differential block B.
  • the electrical connection device E comprises, for each conductor 3 intended to be connected to an output terminal 2, a connection accessory 9.
  • connection accessories 9 are fixed in a support 10, referred to as second support, which is mounted in translation in the first aforementioned support 4 perpendicular to the longitudinal direction of the rail in position mounted devices, and parallel to the mounting face of the devices to the rails.
  • Each of these accessories 9 comprises a first means 11 for the electrical connection of the accessory 9 to the corresponding terminal 2 and a second means 12 for the electrical connection of said accessory 9 to the corresponding conductor 3.
  • this first means 11 comprises a planar connection pad 13 electrically connected and fixed to a substantially U-shaped clamp 14 constituting the second means 12 of the accessory 9.
  • This connection pad 13 is intended to be introduced into a terminal 2 of the screw type of the circuit-breaker D to be clamped against the corresponding connection pad 15 of the circuit-breaker D, as is known per se.
  • the aforementioned clamp 14 comprises two branches 14a, 14b ( fig.4 ) between which the end of a conductor 3 of the differential block B is intended to be tightened elastically so as to form with this conductor 3 a sliding contact.
  • the two means 11, 12 are each constituted by a U-shaped clip 16, 17 disposed one inside the other, as more particularly illustrated on FIG. figure 8 .
  • the forceps 16, said first because constituting the first means comprises a base 16a on which is fixed the base 17a of the clamp 17, said second because constituting the second means.
  • This clamp 16 also comprises two branches 16b, 16c whose ends 16d, 16e each have a curved portion a, b inwardly adapted to cooperate with two faces c, d ( fig.10 ) belonging to the end of the connection pad 15 of the circuit-breaker D so that an automatic and final electrical connection between the conductor 3 of the differential block B and that of the corresponding terminal is carried out during the connection operation.
  • the gripper 17, said second, is fixed inside the first gripper 16 so that their bases 16a, 17a are contiguous and that the branches 17b, 17c of the second gripper extend parallel to the branches 16b. 16c of the first clamp 16.
  • this second clamp 17 is intended to engage on the corresponding conductor 3 of the differential block B so as to form with this conductor 3 a sliding contact.
  • the second support 10 comprises a screw cover 18 integrally formed with the second support 10 and comprising locking means 19 of said support 10 on the support 4. These means comprise a tab 20 coming from material with the cover 18 and adapted to engage in a recess 21 provided for this purpose in the support 4 of the differential apparatus.
  • the two apparatuses D, B are brought together relative to one another until their facing faces 5, 6 are contiguous, and are mechanically associated by engagement of the coupling members 7, 8 of one of the devices with the coupling devices of the other device ( fig.2 ). In this position, the accessories 9 are opposite the output terminals 2 of the circuit breaker D ( fig.5 ).
  • the electrical connection is then achieved by driving the second support 10 in translation inside the first support 4 ( fig.3 ) towards the output terminals of the circuit-breaker, which results, for the first embodiment described ( Figures 4 to 7 ), on the one hand, for each accessory 9, the engagement of the connection pad 13 on the contact pad 15 of the circuit breaker D and, on the other hand, the engagement of the sliding contact 14 on the corresponding primary conductor 3 .
  • the second support 10 forms a push button operable to drive the accessory from the first to the second position. In this first embodiment, it is necessary to complete the connection operation by screwing the terminal screw 2a.
  • the drive of the support 10 causes, on the one hand, the engagement of the first gripper 16 on the corresponding area 15, this commitment being definitive insofar as it is not necessary to carry out other operations for making the connection, and secondly, the engagement of the sliding contact in the form of clamp 17 on the corresponding primary conductor 3.
  • the cover 18 is brought opposite the holes 2b of terminal screws 2a ( fig.7 , 9 , 10 , 12 ) and is locked in this position by insertion of the tongue 20 into the corresponding hole 21 of the support 4 ( fig.12 ).
  • the primary conductors are connected to the accessories by a sliding contact.
  • Other types of connection could have been envisaged, such as a braided connection or simply the use of the flexibility of the conductors, for small calibres.
  • the second support is mounted in translation relative to the first, whereas it could have been envisaged also that it is mounted in rotation in this first support, or both in rotation and in translation.
  • said accessory instead of being constituted by a double clamp, may be constituted by a clamp and a contact pad, said clamp being intended to cooperate with the corresponding primary conductor and the contact pad being adapted to cooperate with another clamp secured to the corresponding contact pad of the circuit breaker, by racking.
  • said accessory may be constituted by two clamps joined by a rigid conductor.
  • the first means could be constituted by a spring pressurizing the driver on the beach, either by spring pressure on the beach, or by pressing on the bottom of the terminal connection.
  • the invention is particularly applicable to electrical devices including modular, contiguous mounted on an installation rail, and intended to be electrically connected.
  • the invention thus makes it possible to achieve mechanical and electrical coupling of the apparatuses in two perpendicular directions according to two simple movements thanks to the presence of retractable accessories.
  • These accessories make it possible to make a connection without screwing, for example of the plug-in type, this type of connection making it possible to ensure that all the conductors are well electrically connected without the need for a complementary tightening operation, from which obtaining of a reliable and independent electrical connection of the user facilitating the association of the mechanical members.
  • the use of these accessories makes it possible to adapt to different variants of connection ends of the circuit breaker, depending on the type of circuit breaker, for the same terminal position configuration by simply changing the shape of the accessory. Similarly, by changing the shape of the accessory, it is possible to adapt to different connection configuration variants, the position of the terminals being different, from which it follows that this solution is particularly suitable for delayed differentiation.
  • the presence of the cover allows, in the case where the solution of the screw terminal is chosen, to avoid the loosening by mistake, or, in the case where the connection without screwing is chosen, the deterioration of the connection by accidental clamping screws.
  • a mobile screw cover ( fig.5 to 7 ) mounted articulated on the support 4, will obtain additional insulation.
  • the locking system provided on the cache makes the differential block virtually indémontable. There may also be a system allowing the second support to interfere with the mechanism of the circuit breaker or the differential block so as to lock the mechanism in the open position until the electrical connection is made.

Abstract

The electrical apparatus connection method has two electrical units mounted side by side (B,D). Each apparatus has a connector (2) connected to a conductor (3). An accessory (9) is mounted on a support (4) providing mechanical association. A first position is provided with the output wired folded in the support whilst mechanically connecting the apparatus, and a second non retracted position where the output wire is connected to the accessory. A first and second mechanism assist in providing the two positions.

Description

La présente invention concerne un dispositif de raccordement électrique de deux appareils montés côte à côte sur un même support de montage, les deux appareils étant logés dans un boîtier, l'un des appareils, dit premier, comportant des bornes de sortie et l'autre, dit second, comportant des conducteurs électriques sortant du boîtier de l'appareil, le boîtier du second appareil comportant en outre un support logeant les conducteurs précités et étant destiné à être amené en regard des bornes de sortie du premier appareil de manière à permettre le raccordement électrique des bornes de sortie aux conducteurs précités après l'accouplement mécanique des deux appareils réalisé.The present invention relates to a device for electrical connection of two devices mounted side by side on the same mounting bracket, the two devices being housed in a housing, one of the devices, said first, having output terminals and the other , said second, comprising electrical conductors leaving the housing of the device, the housing of the second device further comprising a support housing the aforementioned conductors and being intended to be brought opposite the output terminals of the first device so as to allow the electrical connection of the output terminals to the aforementioned conductors after the mechanical coupling of the two devices carried out.

Un appareil de protection électrique tel un disjoncteur modulaire est, de manière connue en soi, logé dans un boîtier de forme sensiblement parallélépipédique et destiné à être monté sur un rail de montage. Cet appareil comporte, situées de part et d'autre du rail, deux faces de raccordement comportant respectivement des bornes d'entrée et des bornes de sortie. Cet appareil est souvent associé à un appareil de protection différentiel, également logé dans un boîtier modulaire et destiné à être monté sur le rail de montage au côté du premier appareil, ledit appareil différentiel comportant, faisant saillie du boîtier de l'appareil d'un côté du rail, des conducteurs destinés à être raccordés électriquement aux bornes de sortie prècitées du disjoncteur. Avant montage définitif des appareils sur le rail, ceux-ci sont tout d'abord accouplés mécaniquement. Pour ce faire, deux faces appartenant respectivement aux deux appareils sont amenées en regard l'une par rapport à l'autre et accolées l'une à l'autre. Puis, les organes d'accouplement des deux appareils situés sur ces faces sont accouplés mécaniquement. On réalise ensuite le raccordement électrique des deux appareils.
Le document EP 0 806 784 décrit l'association de deux appareils tels que décrits précédemment. Dans ce document, l'appareil de protection différentiel comporte un support venu de matière avec le boîtier de l'appareil différentiel, ledit support étant destiné à loger les conducteurs de l'appareil différentiel et s'étendant en regard des bornes de sortie du disjoncteur de manière que les extrémités des conducteurs soient situées en regard desdites bornes de sortie lorsque les deux appareils sont couplés mécaniquement. Dans ce document, les conducteurs de l'appareil différentiel sont fixes par rapport au support dans lequel ils sont logés mais sont montés mobiles avec ce même support, par rapport au boîtier de l'appareil différentiel, perpendiculairement au rail, entre une position rétractée dans laquelle le support est éloigné du boîtier du disjoncteur et les conducteurs non engagés dans les bornes du disjoncteur, et une position non rétractée dans laquelle le support est rapproché du boîtier du disjoncteur et les conducteurs engagés dans les bornes de sortie du disjoncteur. Après engagement des conducteurs dans les bornes de sortie, on termine l'opération de raccordement en serrant les vis de borne. Le couplage mécanique et électrique des appareils est donc réalisé en deux mouvements de translation successifs.An electrical protection device such as a modular circuit breaker is, in a manner known per se, housed in a substantially parallelepiped shaped casing and intended to be mounted on a mounting rail. This apparatus comprises, located on either side of the rail, two connection faces respectively comprising input terminals and output terminals. This apparatus is often associated with a differential protection device, also housed in a modular housing and intended to be mounted on the mounting rail at the side of the first apparatus, said differential apparatus comprising, protruding from the housing of the apparatus of a side of the rail, conductors intended to be electrically connected to the aforementioned output terminals of the circuit breaker. Before final assembly of the devices on the rail, these are first mechanically coupled. To do this, two faces respectively belonging to the two devices are brought facing relative to each other and contiguous to one another. Then, the coupling members of the two devices located on these faces are mechanically coupled. The two devices are then electrically connected.
The document EP 0 806 784 describes the combination of two devices as described above. In this document, the differential protection device comprises a material support with the housing of the differential device, said support being intended to house the conductors of the differential device and extending opposite the output terminals of the circuit breaker so that the ends of the conductors are located opposite said output terminals when the two devices are mechanically coupled. In this document, the conductors of the differential apparatus are fixed relative to the support in which they are housed but are movably mounted with the same support, relative to the housing of the differential apparatus, perpendicularly to the rail, between a retracted position in wherein the carrier is remote from the circuit breaker box and the conductors not engaged in the circuit breaker terminals, and an unretracted position in which the carrier is brought closer to the circuit breaker box and the conductors engaged in the output terminals of the circuit breaker. After the conductors have been engaged in the output terminals, the connection operation is completed by tightening the terminal screws. The mechanical and electrical coupling of the devices is therefore achieved in two successive translation movements.

La présente invention propose un dispositif de raccordement réalisant d'une autre manière le raccordement électrique précité.The present invention provides a connection device that otherwise provides the aforementioned electrical connection.

A cet effet, la présente invention a pour objet un dispositif de raccordement électrique du genre précédemment mentionné, ce dispositif étant caractérisé en ce qu'il comporte, pour chaque borne de sortie associée à un conducteur, un accessoire intermédiaire destiné à relier électriquement ladite borne audit conducteur, le ou chaque accessoire étant monté mobile à l'intérieur du support précité, entre une première position dans laquelle ledit accessoire, non raccordé électriquement à la borne de sortie correspondante, est escamoté à l'intérieur du support de manière à permettre l'association mécanique des appareils et une position non escamotée dans laquelle ledit accessoire est raccordé électriquement à la borne de sortie correspondante, le ou chaque accessoire comportant un premier moyen apte à coopérer avec la borne de sortie correspondante pour réaliser le raccordement précité et un second moyen pour relier électriquement ledit accessoire aux conducteurs primaires de manière à permettre le mouvement précité dudit accessoire.For this purpose, the present invention relates to an electrical connection device of the kind mentioned above, this device being characterized in that it comprises, for each output terminal associated with a conductor, an intermediate accessory for electrically connecting said terminal conductor audit, the or each accessory being movably mounted within said support, between a first position in which said accessory, not electrically connected to the corresponding output terminal, is retracted inside the support so as to allow the mechanical association of the devices and a non-retracted position in which said accessory is electrically connected to the corresponding output terminal, the or each accessory comprising a first means adapted to cooperate with the corresponding output terminal to achieve the aforementioned connection and a second means for electrically connecting said accessory to primary conductors so as to allow the aforementioned movement of said accessory.

Selon une réalisation particulière, ce premier moyen comporte un moyen pour réaliser un raccordement électrique automatique et définitif dudit accessoire à la borne correspondante du premier appareil lorsque ledit accessoire passe de la première à la seconde position.According to a particular embodiment, this first means comprises means for making an automatic and definitive electrical connection of said accessory to the corresponding terminal of the first device when said accessory passes from the first to the second position.

Selon une autre réalisation, ce premier moyen comprend un conducteur sous forme de plage rigide, comportant une extrémité apte à être serrée par une vis dans une borne du type à vis et dont l'autre extrémité est reliée mécaniquement et électriquement au conducteur principal correspondant par le second moyen précité de manière à permettre le déplacement de l'accessoire entre les deux positions précitées.According to another embodiment, this first means comprises a conductor in the form of a rigid strip, comprising an end capable of being tightened by a screw in a screw-type terminal and the other end of which is mechanically and electrically connected to the corresponding main conductor by the second aforementioned means so as to allow the movement of the accessory between the two aforementioned positions.

Selon une caractéristique particulière, le dispositif comporte des moyens de verrouillage prévus en partie sur le premier support et en partie sur le second support.According to a particular characteristic, the device comprises locking means provided in part on the first support and in part on the second support.

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

  • La figure 1 illustre en perspective, un disjoncteur et un appareil de protection différentiel destinés à être raccordés électriquement au moyen d'un dispositif conforme à l'invention, les dits appareils étant en position séparée,
  • Les figures 2 et 3 sont des vues similaires à la précédente, les deux appareils étant seulement accouplés mécaniquement sur la figure 2 et couplés mécaniquement et raccordés électriquement sur la figure 3,
  • La figure 4 est une vue partielle en perspective, illustrant un support appartenant à l'appareil différentiel et logeant le dispositif de raccordement selon une réalisation particulière de l'invention,
  • Les figures 5 et 6 sont des vues en perspective comportant un arraché des deux appareils, illustrant le dispositif de raccordement précité, respectivement en position non raccordée et en position raccordée,
  • La figure 7 est une vue partiellement en coupe du disjoncteur, illustrant plus particulièrement le dispositif de raccordement précité, en position raccordée,
  • La figure 8 illustre en perspective une seconde réalisation du dispositif de raccordement selon l'invention,
  • La figure 9 est une vue en perspective des deux appareils comportant un arraché, illustrant plus particulièrement la seconde réalisation précitée du dispositif de raccordement,
  • La figure 10 est une vue partiellement en coupe du disjoncteur, illustrant cette seconde réalisation du dispositif de raccordement,
  • Les figures 11 et 12 sont respectivement des vues partielle en perspective et en coupe, illustrant plus particulièrement un cache vis respectivement dans une position inactive et dans une position active d'obturation des bornes de sortie.
But other advantages and features of the invention will become more apparent in the detailed description which follows and refers to the accompanying drawings given solely by way of example and in which:
  • The figure 1 illustrates in perspective, a circuit breaker and a differential protection device intended to be electrically connected by means of a device according to the invention, said devices being in the separated position,
  • The figures 2 and 3 are similar to the previous one, the two devices being only mechanically coupled to the figure 2 and mechanically coupled and electrically connected to the figure 3 ,
  • The figure 4 is a partial perspective view, illustrating a support belonging to the differential apparatus and housing the connection device according to a particular embodiment of the invention,
  • The figures 5 and 6 are perspective views comprising a tear of the two devices, illustrating the aforementioned connection device, respectively in the unconnected position and in the connected position,
  • The figure 7 is a view partially in section of the circuit breaker, illustrating more particularly the aforementioned connection device, in the connected position,
  • The figure 8 illustrates in perspective a second embodiment of the connection device according to the invention,
  • The figure 9 is a perspective view of the two devices comprising a snatch, illustrating more particularly the aforementioned second embodiment of the connecting device,
  • The figure 10 is a partially sectional view of the circuit breaker, illustrating this second embodiment of the connection device,
  • The figures 11 and 12 are respectively partial views in perspective and in section, illustrating more particularly a screw cover respectively in an inactive position and in an active position of closure of the output terminals.

Sur les figures 1 à 3, on voit un disjoncteur miniature D et un bloc différentiel B montés sur un rail de montage R. Le disjoncteur D est logé dans un boîtier modulaire et comporte de part et d'autre du rail R, des bornes d'entrée 1 et des bornes de sortie 2. Le bloc différentiel B est logé dans un boîtier comportant à sa partie inférieure des conducteurs rigides 3 fixes par rapport au boîtier de l'appareil, lesdits conducteurs 3, dits conducteurs primaires, s'étendant parallèlement au rail R et étant logés dans un support 4, dit premier, venu de matière avec le boîtier du bloc différentiel B. Ces deux appareils D,B sont destinés à être accouplés mécaniquement par rapprochement de leur boîtiers respectifs jusqu'à ce que leurs faces en regard 5,6 soient jointives et les organes d'accouplement 7,8 de l'un D des appareils soient engagés avec les organes d'accouplement de l'autre appareil B de manière à accoupler les mécanismes des deux appareils entre eux (fig.2). Sur la figure 3, les deux appareils B,D sont raccordés mécaniquement et électriquement comme ceci sera expliqué dans ce qui suit.On the Figures 1 to 3 a miniature circuit-breaker D and a differential block B are mounted on a mounting rail R. The circuit-breaker D is housed in a modular housing and has on either side of the rail R input terminals 1 and terminals output 2. The differential block B is housed in a housing having at its bottom rigid conductors 3 fixed relative to the housing of the apparatus, said conductors 3, said primary conductors, extending parallel to the rail R and being housed in a support 4, said first, integral with the housing of the differential block B. These two devices D, B are intended to be mechanically coupled by approximation of their respective housings until their faces facing 5,6 are the coupling members 7,8 of one of the apparatuses are engaged with the coupling members of the other apparatus B so as to couple the mechanisms of the two apparatuses together ( fig.2 ). On the figure 3 both apparatus B, D are mechanically and electrically connected as will be explained in the following.

En se reportant aux figures 4 à 11, on voit que le dispositif E de raccordement électrique selon l'invention comporte, pour chaque conducteur 3 destiné à être raccordé à une borne de sortie 2, un accessoire de raccordement 9. Ces accessoires de raccordement 9 sont fixés dans un support 10, dit second support, lequel est monté en translation dans le premier support précité 4 perpendiculairement à la direction longitudinale du rail en position montée des appareils, et parallèlement à la face de fixation des appareils aux rails. Chacun de ces accessoires 9 comporte un premier moyen 11 pour le raccordement électrique de l'accessoire 9 à la borne correspondante 2 et un second moyen 12 pour le raccordement électrique dudit accessoire 9 au conducteur correspondant 3.
Selon la réalisation de l'invention illustrée sur les figures 4 à 7, ce premier moyen 11 comporte une plage de connexion plane 13 reliée électriquement et fixée à une pince sensiblement en forme de U 14 constituant le second moyen 12 de l'accessoire 9. Cette plage de connexion 13 est destinée à être introduite dans une borne 2 du type à vis du disjoncteur D pour y être serrée contre la plage de raccordement 15 correspondante du disjoncteur D, comme ceci est connu en soi. La pince précitée 14 comporte deux branches 14a,14b (fig.4) entre lesquelles l'extrémité d'un conducteur 3 du bloc différentiel B est destinée à être serrée élastiquement de manière à former avec ce conducteur 3 un contact glissant.
Sur les figures 8 à 11, les deux moyens 11,12 sont constitués chacun par une pince 16,17 en forme de U disposées l'une à l'intérieur de l'autre, comme plus particulièrement illustré sur la figure 8. La pince 16, dite première, car constituant le premier moyen, comporte une base 16a sur laquelle est fixée la base 17a de la pince 17, dite seconde car constituant le second moyen. Cette pince 16 comporte également deux branches 16b,16c dont les extrémités 16d,16e présentent chacune une partie bombée a,b vers l'intérieur apte à coopérer avec deux faces c,d (fig.10) appartenant à l'extrémité de la plage de raccordement 15 du disjoncteur D de manière que soit réalisée, lors de l'opération de raccordement, une liaison électrique automatique et définitive entre le conducteur 3 du bloc différentiel B et celui 15 de la borne correspondante du disjoncteur D. La pince 17, dite seconde, est fixée à l'intérieur de la première pince 16 de manière que leurs bases 16a,17a soient jointives et que les branches 17b,17c de la seconde pince s'étendent parallèlement aux branches 16b,16c de la première pince 16. Comme dans la réalisation précédente, cette seconde pince 17 est destinée à venir s'engager sur le conducteur correspondant 3 du bloc différentiel B de manière à former avec ce conducteur 3 un contact glissant.
En se reportant aux figures 11 et 12, on voit que le second support 10 comporte un cache vis 18 venu de matière avec le second support 10 et comportant des moyens de verrouillage 19 dudit support 10 sur le support 4. Ces moyens comportent une languette 20 venue de matière avec le cache 18 et apte à venir s'engager dans un évidemment 21 prévu à cet effet dans le support 4 de l'appareil différentiel.
On décrira ci-après l'opération de raccordement des deux appareils en référence aux figures pour les deux réalisations décrites précédemment.
Tout d'abord, les deux appareils D,B sont rapprochés l'un par rapport à l'autre jusqu'à ce que leurs faces en regard 5,6 soient jointives, et sont associés mécaniquement par engagement des organes d'accouplement 7,8 de l'un des appareils avec les organes d'accouplement de l'autre des appareils (fig.2). Dans cette position, les accessoires 9 se trouvent en regard des bornes de sortie 2 du disjoncteur D (fig.5). Le raccordement électrique est alors réalisé en entraînant le second support 10 en translation à l'intérieur du premier support 4 (fig.3) en direction des bornes de sortie du disjoncteur, ce qui entraîne, pour la première réalisation décrite (figures 4 à 7), d'une part, pour chaque accessoire 9, l'engagement de la plage de connexion 13 sur la plage de contact 15 du disjoncteur D et, d'autre part, l'engagement du contact glissant 14 sur le conducteur primaire 3 correspondant. On notera que le second support 10 forme un bouton poussoir actionnable pour entraîner l'accessoire de la première à la seconde position. Dans cette première réalisation, il est nécessaire de terminer l'opération de raccordement en vissant la vis de borne 2a. Dans la seconde réalisation décrite (figures 8 à 12), l'entraînement du support 10 entraîne d'une part, l'engagement de la première pince 16 sur la plage correspondante 15, cet engagement étant définitif dans la mesure ou il n'est pas nécessaire d'effectuer d'autres opérations pour réaliser le raccordement, et d'autre part, l'engagement du contact glissant en forme de pince 17 sur le conducteur primaire correspondant 3. Dans cette seconde réalisation décrite, lors du déplacement du second support 10, le cache 18 est amené en regard des orifices 2b des vis de borne 2a (fig.7,9,10,12) et est verrouillé dans cette position par introduction de la languette 20 dans l'orifice correspondant 21 du support 4 (fig.12).
Dans les réalisations décrites précédemment, les conducteurs primaires sont reliés aux accessoires par un contact glissant. D'autres types de liaison auraient pu être envisagées telles une liaison par tresse ou tout simplement l'utilisation de la souplesse des conducteurs, pour les petits calibres.Referring to Figures 4 to 11 it can be seen that the electrical connection device E according to the invention comprises, for each conductor 3 intended to be connected to an output terminal 2, a connection accessory 9. These connection accessories 9 are fixed in a support 10, referred to as second support, which is mounted in translation in the first aforementioned support 4 perpendicular to the longitudinal direction of the rail in position mounted devices, and parallel to the mounting face of the devices to the rails. Each of these accessories 9 comprises a first means 11 for the electrical connection of the accessory 9 to the corresponding terminal 2 and a second means 12 for the electrical connection of said accessory 9 to the corresponding conductor 3.
According to the embodiment of the illustrated invention on the Figures 4 to 7 this first means 11 comprises a planar connection pad 13 electrically connected and fixed to a substantially U-shaped clamp 14 constituting the second means 12 of the accessory 9. This connection pad 13 is intended to be introduced into a terminal 2 of the screw type of the circuit-breaker D to be clamped against the corresponding connection pad 15 of the circuit-breaker D, as is known per se. The aforementioned clamp 14 comprises two branches 14a, 14b ( fig.4 ) between which the end of a conductor 3 of the differential block B is intended to be tightened elastically so as to form with this conductor 3 a sliding contact.
On the Figures 8 to 11 , the two means 11, 12 are each constituted by a U-shaped clip 16, 17 disposed one inside the other, as more particularly illustrated on FIG. figure 8 . The forceps 16, said first because constituting the first means, comprises a base 16a on which is fixed the base 17a of the clamp 17, said second because constituting the second means. This clamp 16 also comprises two branches 16b, 16c whose ends 16d, 16e each have a curved portion a, b inwardly adapted to cooperate with two faces c, d ( fig.10 ) belonging to the end of the connection pad 15 of the circuit-breaker D so that an automatic and final electrical connection between the conductor 3 of the differential block B and that of the corresponding terminal is carried out during the connection operation. The gripper 17, said second, is fixed inside the first gripper 16 so that their bases 16a, 17a are contiguous and that the branches 17b, 17c of the second gripper extend parallel to the branches 16b. 16c of the first clamp 16. As in the previous embodiment, this second clamp 17 is intended to engage on the corresponding conductor 3 of the differential block B so as to form with this conductor 3 a sliding contact.
Referring to figures 11 and 12 it can be seen that the second support 10 comprises a screw cover 18 integrally formed with the second support 10 and comprising locking means 19 of said support 10 on the support 4. These means comprise a tab 20 coming from material with the cover 18 and adapted to engage in a recess 21 provided for this purpose in the support 4 of the differential apparatus.
The operation of connecting the two devices will be described below with reference to the figures for the two embodiments described above.
First, the two apparatuses D, B are brought together relative to one another until their facing faces 5, 6 are contiguous, and are mechanically associated by engagement of the coupling members 7, 8 of one of the devices with the coupling devices of the other device ( fig.2 ). In this position, the accessories 9 are opposite the output terminals 2 of the circuit breaker D ( fig.5 ). The electrical connection is then achieved by driving the second support 10 in translation inside the first support 4 ( fig.3 ) towards the output terminals of the circuit-breaker, which results, for the first embodiment described ( Figures 4 to 7 ), on the one hand, for each accessory 9, the engagement of the connection pad 13 on the contact pad 15 of the circuit breaker D and, on the other hand, the engagement of the sliding contact 14 on the corresponding primary conductor 3 . Note that the second support 10 forms a push button operable to drive the accessory from the first to the second position. In this first embodiment, it is necessary to complete the connection operation by screwing the terminal screw 2a. In the second embodiment described ( Figures 8 to 12 ), the drive of the support 10 causes, on the one hand, the engagement of the first gripper 16 on the corresponding area 15, this commitment being definitive insofar as it is not necessary to carry out other operations for making the connection, and secondly, the engagement of the sliding contact in the form of clamp 17 on the corresponding primary conductor 3. In this second embodiment described, during the displacement of the second support 10, the cover 18 is brought opposite the holes 2b of terminal screws 2a ( fig.7 , 9 , 10 , 12 ) and is locked in this position by insertion of the tongue 20 into the corresponding hole 21 of the support 4 ( fig.12 ).
In the embodiments described above, the primary conductors are connected to the accessories by a sliding contact. Other types of connection could have been envisaged, such as a braided connection or simply the use of the flexibility of the conductors, for small calibres.

De même, dans les réalisations décrites, le second support est monté en translation par rapport au premier alors qu'il aurait pu être envisagé aussi qu'il soit monté en rotation dans ce premier support, ou bien à la fois en rotation et en translation.
Selon une autre réalisation de la connexion sans vissage, non représentée sur les dessins, ledit accessoire, au lieu d'être constitué par une double pince, peut être constitué par une pince et une plage de contact, ladite pince étant destinée à coopérer avec le conducteur primaire correspondant et la plage de contact étant apte à coopérer avec une autre pince solidaire de la plage de contact correspondante du disjoncteur, par embrochage.
Selon encore une autre réalisation, ledit accessoire peut être constitué par deux pinces réunies par un conducteur rigide.
Selon une autre réalisation permettant d'obtenir une liaison automatique et définitive, le premier moyen pourrait être constitué par un ressort mettant en pression le conducteur sur la plage, soit par pression du ressort sur la plage, soit par appui sur le fond de la borne de raccordement.
L'invention s'applique particulièrement à des appareils électriques notamment modulaires, montés contigus sur un rail d'installation, et destinés à être raccordés électriquement.Similarly, in the embodiments described, the second support is mounted in translation relative to the first, whereas it could have been envisaged also that it is mounted in rotation in this first support, or both in rotation and in translation. .
According to another embodiment of the connection without screwing, not shown in the drawings, said accessory, instead of being constituted by a double clamp, may be constituted by a clamp and a contact pad, said clamp being intended to cooperate with the corresponding primary conductor and the contact pad being adapted to cooperate with another clamp secured to the corresponding contact pad of the circuit breaker, by racking.
According to yet another embodiment, said accessory may be constituted by two clamps joined by a rigid conductor.
According to another embodiment for obtaining an automatic and definitive connection, the first means could be constituted by a spring pressurizing the driver on the beach, either by spring pressure on the beach, or by pressing on the bottom of the terminal connection.
The invention is particularly applicable to electrical devices including modular, contiguous mounted on an installation rail, and intended to be electrically connected.

L'invention permet donc de réaliser un couplage mécanique puis électrique des appareils dans deux directions perpendiculaires selon deux mouvements simples grâce à la présence des accessoires escamotables. Ces accessoires permettent de réaliser une liaison sans vissage, par exemple du type embrochage, ce type de liaison permettant de s'assurer que tous les conducteurs sont bien connectés électriquement sans nécessiter d'opération de serrage complémentaire, d'où l'obtention d'une liaison électrique fiable et indépendante de l'utilisateur facilitant l'association des organes mécaniques.
En outre, l'utilisation de ces accessoires permet de s'adapter à différentes variantes d'extrémités de raccordement du disjoncteur, en fonction du type du disjoncteur, pour une même configuration de position de bornes en modifiant simplement la forme de l'accessoire. De même, en changeant la forme de l'accessoire, il est possible de s'adapter à différentes variantes de configuration de raccordement, la position des bornes étant différente, d'où il résulte que cette solution est particulièrement adaptée pour la différentiation retardée.The invention thus makes it possible to achieve mechanical and electrical coupling of the apparatuses in two perpendicular directions according to two simple movements thanks to the presence of retractable accessories. These accessories make it possible to make a connection without screwing, for example of the plug-in type, this type of connection making it possible to ensure that all the conductors are well electrically connected without the need for a complementary tightening operation, from which obtaining of a reliable and independent electrical connection of the user facilitating the association of the mechanical members.
In addition, the use of these accessories makes it possible to adapt to different variants of connection ends of the circuit breaker, depending on the type of circuit breaker, for the same terminal position configuration by simply changing the shape of the accessory. Similarly, by changing the shape of the accessory, it is possible to adapt to different connection configuration variants, the position of the terminals being different, from which it follows that this solution is particularly suitable for delayed differentiation.

La présence du cache permet, dans le cas ou la solution de la borne à vis est choisie, d'éviter le desserrage par erreur, ou bien, dans le cas où la connexion sans vissage est choisie, la détérioration de la connexion par serrage accidentel des vis. Dans le cas où la solution de la borne à vis est choisie, un cache vis mobile (fig.5 à 7) monté articulé sur le support 4, permettra d'obtenir un isolement supplémentaire.
Le système de verrouillage prévu sur le cache permet de rendre le bloc différentiel quasiment indémontable.
On pourra également prévoir un système permettant au second support d'interférer avec le mécanisme du disjoncteur ou du bloc différentiel de manière à verrouiller le mécanisme en position ouverte tant que le raccordement électrique n'est pas réalisé.The presence of the cover allows, in the case where the solution of the screw terminal is chosen, to avoid the loosening by mistake, or, in the case where the connection without screwing is chosen, the deterioration of the connection by accidental clamping screws. In the case where the solution of the screw terminal is chosen, a mobile screw cover ( fig.5 to 7 ) mounted articulated on the support 4, will obtain additional insulation.
The locking system provided on the cache makes the differential block virtually indémontable.
There may also be a system allowing the second support to interfere with the mechanism of the circuit breaker or the differential block so as to lock the mechanism in the open position until the electrical connection is made.

Claims (14)

  1. Device (9) for electrical connection of two apparatuses (D, B) fitted side by side on the same mounting support, the two apparatuses being housed in a case, one of the apparatuses, called first apparatus, comprising output terminals and the other apparatus, called second apparatus, comprising electrical conductors output from the case of the apparatus, the case of the second apparatus further comprising a support (4) housing the above-mentioned conductors and being designed to be moved to face the output terminals of the first apparatus so as to enable electrical connection of the output terminals to the above-mentioned conductors after mechanical coupling of the two apparatuses has been performed,
    characterized in that, for each output terminal (2) associated with a conductor (3), it comprises an intermediate accessory (9) designed to electrically connect said terminal to said conductor, the or each accessory being mounted mobile inside the above-mentioned support (4) between a first position in which said accessory (9), not electrically connected to the corresponding output terminal (2), is retracted inside the support (4) so as to enable mechanical association of the apparatuses (D,B) and a non-retracted position in which said accessory (9) is electrically connected to the corresponding output terminal (2), the or each accessory (9) comprising first means (11) able to collaborate with the corresponding output terminal (2) to perform the above-mentioned connection and second means (12) to electrically connect said accessory (9) to the primary conductors (3) so as to enable the above-mentioned movement of said accessory (9).
  2. Device according to claim 1, characterized in that these first means (11) comprise means for achieving automatic and definitive electrical connection of said accessory (9) to the corresponding terminal (2) of the first apparatus (D) when said accessory (9) moves from the first to the second position.
  3. Device according to claim 1, characterized in that these first means (11) comprise a conductor in the form of a rigid strip (13), comprising one end able to be clamped by a screw (2a) in a screw type terminal (2) and the other end whereof is mechanically and electrically connected to the corresponding main conductor (3) by the above-mentioned second means (12) so as to enable movement of the accessory (9) between the above-mentioned two positions.
  4. Device according to claim 2, characterized in that these first means (11) comprise an appreciably U-shaped plug-in clamp (16), called first clamp, said clamp (16) comprising a base (16a) designed to be electrically connected to the corresponding main conductor (3) by the second means (12) and two branches (16b,16c) the ends (16d,16e) whereof are designed to collaborate with the contact strip (15) of the corresponding terminal (2) of the apparatus.
  5. Device according to any one of the foregoing claims, characterized in that these second means (12) comprise a sliding contact.
  6. Device according to claim 5, characterized in that this sliding contact comprises a U-shaped clamp (17), called second clamp, the base (17a) whereof is electrically and mechanically connected to the first means (11) and the branches (17b,17c) whereof collaborate with the corresponding conductor (3) of the second apparatus (B).
  7. Device according to claims 4 and 6, characterized in that the two clamps (16,17) are electrically and mechanically connected to one another by a rigid conductor fixed via its two opposite ends respectively to the two clamps (16,17).
  8. Device according to claims 4 and 6, characterized in that it comprises two U-shaped clamps (16,17) arranged one inside the other and fixed to one another via their base (16a,17a).
  9. Device according to any one of the foregoing claims, characterized in that these second means (12) comprise a braided strip.
  10. Device according to any one of the foregoing claims, characterized in that the or each accessory (9) is mounted fixed in a second support (10), which is mounted in translation inside a first support (4).
  11. Device according to claim 10, characterized in that the second support (10) forms a push-button able to be actuated to move the accessory (9) from the first to the second position.
  12. Device according to any one of the foregoing claims, characterized in that the second support (10) comprises a cover (18) preventing access to the screws.
  13. Device according to any one of the foregoing claims, characterized in that it comprises latching means (19,20,21) provided partly on the first support (4) and partly on the second support (10).
  14. Device according to any one of the foregoing claims, characterized in that the first apparatus (D) is a circuit breaker and the second apparatus (B) is n earth leakage protection apparatus.
EP02354087A 2001-07-18 2002-05-30 Electrical terminal arrangement for two, next to each other, rail-mounted electrical devices Expired - Lifetime EP1278224B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0109584A FR2827702B1 (en) 2001-07-18 2001-07-18 DEVICE FOR ELECTRICALLY CONNECTING TWO SIDE BY SIDE ELECTRICAL APPLIANCES ON THE SAME MOUNTING SUPPORT
FR0109584 2001-07-18

Publications (2)

Publication Number Publication Date
EP1278224A1 EP1278224A1 (en) 2003-01-22
EP1278224B1 true EP1278224B1 (en) 2010-06-30

Family

ID=8865648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02354087A Expired - Lifetime EP1278224B1 (en) 2001-07-18 2002-05-30 Electrical terminal arrangement for two, next to each other, rail-mounted electrical devices

Country Status (6)

Country Link
EP (1) EP1278224B1 (en)
CN (1) CN1243360C (en)
AT (1) ATE472818T1 (en)
DE (1) DE60236832D1 (en)
ES (1) ES2345323T3 (en)
FR (1) FR2827702B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2307135T3 (en) * 2005-09-29 2008-11-16 Hager-Electro Sas DIFFERENTIAL BLOCK WITH SLIDING DRAWER ACCORDING TO AN INCLINED TRAJECTORY.
FR2937188A1 (en) * 2008-10-09 2010-04-16 Schneider Electric Ind Sas DEVICE AND SLIDING ASSEMBLY FOR ELECTRICAL CONNECTION, ESPECIALLY FOR DIFFERENTIAL PROTECTION BLOCK
CN103325586B (en) * 2013-07-01 2016-08-10 华为技术有限公司 A kind of breaker assembly and single P chopper
CN103943385B (en) * 2014-04-04 2015-11-25 环宇集团有限公司 A kind of bypass circulation of automatic transfer switching electric appliance
CN105185664A (en) * 2015-08-05 2015-12-23 浙江凯发电气股份有限公司 Connecting device of residual-current circuit breaker
CN108321045B (en) * 2018-01-03 2024-04-02 浙江天正电气股份有限公司 Electronic molded case circuit breaker with convenient connection accessory
DE202020101558U1 (en) * 2020-02-19 2020-04-22 Dehn Se + Co Kg Surge protection device for installation on a busbar system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580860B1 (en) * 1985-04-17 1987-05-22 Merlin Gerin TERMINAL COVER FOR LOW VOLTAGE ELECTRICAL APPARATUS WITH MODULAR INSULATING HOUSING
FR2735290B1 (en) * 1995-06-07 1997-07-18 Schneider Electric Sa ASSEMBLY AND ELECTRICAL CONNECTION DEVICE FOR MODULAR APPLIANCES SUCH AS CIRCUIT BREAKERS OR SIMILAR
AU1238797A (en) * 1996-01-31 1997-08-07 Schneider Electric Sa Improvements in and relating to electrical distribution equipment
AT411115B (en) * 1996-05-07 2003-09-25 Felten & Guilleaume Ag Oester SWITCHING DEVICE WITH MOVABLE CONNECTING LINES

Also Published As

Publication number Publication date
CN1397966A (en) 2003-02-19
EP1278224A1 (en) 2003-01-22
DE60236832D1 (en) 2010-08-12
ES2345323T3 (en) 2010-09-21
FR2827702B1 (en) 2003-09-26
CN1243360C (en) 2006-02-22
FR2827702A1 (en) 2003-01-24
ATE472818T1 (en) 2010-07-15

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