EP1376637A1 - Electromagnetic protection and control assembly - Google Patents

Electromagnetic protection and control assembly Download PDF

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Publication number
EP1376637A1
EP1376637A1 EP03101681A EP03101681A EP1376637A1 EP 1376637 A1 EP1376637 A1 EP 1376637A1 EP 03101681 A EP03101681 A EP 03101681A EP 03101681 A EP03101681 A EP 03101681A EP 1376637 A1 EP1376637 A1 EP 1376637A1
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EP
European Patent Office
Prior art keywords
downstream
upstream
electrical
housing
protection
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.)
Granted
Application number
EP03101681A
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German (de)
French (fr)
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EP1376637B1 (en
Inventor
Guy Eschermann
Patrick Larcher
Alain Moreux
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 Electric Industries SAS
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Schneider Electric Industries SAS
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Publication of EP1376637A1 publication Critical patent/EP1376637A1/en
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Publication of EP1376637B1 publication Critical patent/EP1376637B1/en
Anticipated expiration legal-status Critical
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/02Bases; Casings; Covers
    • H01H50/04Mounting complete relay or separate parts of relay on a base or inside a case
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22Bases, e.g. strip, block, panel
    • H01R9/24Terminal blocks
    • H01R9/2408Modular blocks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08Terminals; Connections
    • H01H71/082Connections between juxtaposed circuit breakers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/514Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them

Definitions

  • the present invention relates to a set of protection and electromagnetic control for mechanical fastening and connection electrical apparatus of several electrical switches, in particular for the realization of a set comprising an association of at least two devices such as a contactor, a circuit breaker, a disconnector, a fuse disconnector, a thermal relay or any other similar electrical device, usable in distribution or low voltage electrical control.
  • the invention also relates to a electrical apparatus likely to enter into the composition of such a set of protection and control.
  • a first electrical protection device such as a circuit breaker or a disconnector fuse holder
  • a second electrical control device such as a contactor
  • the apparatuses electrical devices include terminal blocks with elastic terminals in which comes directly insert from the front an interconnection block of the two devices.
  • the system further comprises complementary mechanical fastening means on both devices to complete their mechanical fixation.
  • This solution is not however not suitable for screw terminals commonly used especially in devices capable of switching a high power electric current, for example greater than or equal to 32A at 400V.
  • the interconnection block requires way the presence of a clean terminal block on each device.
  • the invention therefore aims to facilitate the establishment of an association mechanical and electrical equipment of several electrical appliances in cascade for the purpose of achieve a simple, reliable and economical way of protecting and protecting ordered.
  • the invention describes a protection and control assembly comprising a first electrical switch device and a second electrical appliance switch each having a housing provided with conductive connection strips upstream, respectively downstream, which project in a vertical axis on a beach horizontal upstream connection respectively downstream of each housing and which are capable of being inserted into removable power terminal block openings, electrical appliances being juxtaposed one on the other in a direction parallel to the vertical axis.
  • the protection and control set includes a removable terminal block common to electrically connect the bars of downstream connection of the first electrical appliance with the upstream connection strips corresponding devices of the second electrical device, further ensuring mechanics of both electrical appliances.
  • the housing of the first electrical appliance comprises a downstream horizontal support pad that is pressed against a horizontal support pad upstream of the housing of the second electrical device.
  • downstream strips of the first device electric are offset from the upstream bars of the second electrical appliance in a direction perpendicular to the vertical axis of the bars.
  • Terminal blocks removable are identical and interchangeable and have retainers able to cooperate with complementary means arranged in the housings of electrical appliances.
  • the overall size taken by the set consisting of two electrical devices since they are juxtaposed one on the other and it simplifies the assembly and wiring of the set since there is a single terminal block common between the housings of the two devices to make the electrical connection and mechanical fastening of both devices.
  • Another object of the invention is to provide an electrical switch device able to be integrated into a protection and control system as described in the invention.
  • This device comprises a housing provided with conductive strips of upstream connection respectively downstream, which project from a vertical axis on an upstream and downstream horizontal connection area of the housing and which may be inserted into power terminal block openings removable.
  • the downstream bars of the electrical apparatus are offset from the upstream bars of the electrical apparatus in one direction perpendicular to the vertical axis.
  • the invention also describes a power terminal block likely to be integrated into such a set of protection and control.
  • FIGS. 1 and 2 show an exemplary embodiment of a set of protection and control according to the invention.
  • This set has at least two electrical apparatus, in this case a circuit breaker and a contactor.
  • the invention allows an equivalent way to achieve a set of more than two electrical appliances, for example three appliances: a circuit breaker, a contactor and a thermal relay as detailed below.
  • the invention can also apply to any other electrical appliance that may be used in distribution or control low voltage electric.
  • FIGS 3 and 4 show a multipolar electrical switch device, for example of the breaker type, likely to be integrated in such a set of protection and control.
  • the electrical apparatus comprises a housing 30 of form generally parallelepipedic with a front face 31 which may comprise an organ operating mechanism opposite a rear face 32 may comprise fixing means of the device on a frame, a profile and / or a plate.
  • the housing 30 has also an upstream horizontal face 33b, 34b opposite to a downstream horizontal face 33a, 34a.
  • Conducting upstream connection strips 39b project from the upstream horizontal face 33b, 34b of the housing 30 along a vertical axis X and bars downstream connection conductors 39a project from the downstream horizontal face 33a, 34a of the housing 30 along the same vertical axis X, but in an opposite direction.
  • the switch device has conductive strips 39a, 39b rigid, of identical rectangular section and size sufficient for the circulation of a high power current, for example higher or equal to 32A under 400V.
  • the conductive bars are metallic, in particular copper.
  • the downstream horizontal face 33a, 34a and the horizontal face Upstream 33b, 34b of the housing 30 are formed by several horizontal planes offset one compared to each other.
  • the downstream horizontal face 33a, 34a consists of at least a horizontal downstream support surface 33a and a horizontal range of downstream connection 34a offset from which the downstream conductor strips 39a emerge.
  • the upstream horizontal face 33b, 34b consists of at least one horizontal upstream support 33b and a horizontal connection range upstream 34b offset from which the upstream conductive bars 39b.
  • the downstream bearing surfaces 33a and upstream 33b are closer to the rear face 32 of the housing 30 and are further apart from each other than the downstream connection pads 34a and upstream 34b.
  • the downstream connection pads 34a and upstream 34b of the housing 30 are arranged to each receive a removable power terminal block 40 so as to allow the electrical connection of the connection strips 39a, 39b of the housing 30 with outside conductors.
  • a power terminal block 40 shown in FIGS. Figures 5 and 6, obviously has as many power terminals as poles of the switch device on which it is to be mounted. It is parallelepipedic with two opposing horizontal faces 41,49 and a vertical front face to access clamping screws 42 of the terminals. For each terminal of the terminal block power 40, there is a vertical aperture 44 through the faces 41,49 and to insert one or more electrical conductors perpendicularly to the axis of the screws 42.
  • the width of a terminal block 40 is substantially equal to that of the housing 30.
  • each connection strip 39a, 39b is inserted in a corresponding opening 44 when one of the horizontal faces 41, 49 of a terminal block of 40 is pressed against a connection area 34a, 34b of the housing 30.
  • each terminal of a power terminal block 40 comprises a screw of clamping 42 cooperating with a clamping cage 43 located in the opening 44 corresponding terminal.
  • the screw 42 When tightening the screw 42, the cage 43 is deformed so as to what it comes to grip the drivers present in the opening 44.
  • This tightening makes it possible to make an effective electrical connection of the bar of connection with any other conductor previously inserted in the opening 44, and allows in addition to fix the connection terminal block 40 against the housing 30 of the device light switch.
  • At least one of the faces 41.49 of the power terminal block 40 has holding members 45. These holding members 45 are designed to be able to cooperate with means complementary downstream 35a, respectively upstream 35b, arranged at the beaches downstream connection 34a, respectively upstream 34b, housing 30.
  • these holding members are constituted by one or more lugs 45 present on a front portion of the horizontal face 41 of the power terminal block 40.
  • these lugs are introduced into as many corresponding cavities 35a, 35b present on a front portion of the connection pads 34a, 34b of the housing 30.
  • the cavities 35a, 35b are of complementary shape to the lugs 45.
  • the removable power terminal block 40 is advantageously symmetrical by relative to a median vertical plane so that the same terminal block 40 can indifferently be mounted downstream but also upstream of a housing 30 after turnaround.
  • the horizontal face 41 has two pins 45 disposed on either side of the median vertical plane.
  • the protection and control assembly described in the invention comprises a first electrical switch device such as previously described and a second electrical switch device.
  • this second electrical apparatus comprises a casing 10 of generally parallelepipedic shape having a horizontal face upstream 13b, 14b opposite a downstream horizontal face 13a, 14a.
  • the width of the housing 10 of the second apparatus is substantially equal to that of the housing 30 of the first apparatus.
  • of the upstream connecting conductor strips 19b, respectively downstream 19a come into projecting on the upstream horizontal face, respectively downstream, of the housing 10 along an axis vertical X.
  • the downstream horizontal face 13a, 14a consists of at least one horizontal support downstream 13a and a horizontal range of downstream connection 14a staggered from which the downstream connection strips 19a emerge.
  • the face horizontal upstream 13b, 14b consists of at least one horizontal support surface upstream 13b and a horizontal range of upstream connection 14b offset from which output the upstream connection strips 19b.
  • the downstream support pads 13a and upstream 13b are closer to the rear face of the housing 10 and further apart from each other that the connection pads downstream 14a and upstream 14b.
  • Cavities 15a, 15b, similar the cavities 35a, 35b are arranged on a front part of the connection pads downstream 14a and upstream 14b of the housing 10 to accommodate terminal blocking lugs power.
  • the housings 30 and 10 are juxtaposed one on the other in a direction parallel to the vertical axis X of the connecting strips so that the downstream bearing surface 33a of the housing 30 of the first electrical appliance is pressed against the upstream support pad 13b of the housing 10 second electrical appliance.
  • the vertical dimensions of the protection and order is minimal since the enclosures of both electrical devices are directly juxtaposed without space between them.
  • a removable power terminal block 50 Downstream of the assembly, a removable power terminal block 50 is mounted against the downstream connection pad 14a of the second housing 10. The tightening of the screws of this terminal block downstream 50 allows to fix it against the housing 10 and connect electrically downstream connection strips 19a to downstream outer conductors.
  • a removable upstream power terminal block 60 is mounted against the upstream connection zone 34b of the first housing 30. The clamping screws of the upstream terminal block 60 makes it possible to fix it against the housing 30 and to connect electrically upstream connection strips 39b to external conductors upstream.
  • the 50,60 power terminal blocks are identical to the 40 power terminal block previously described.
  • the 40,50,60 power terminal blocks include pins of maintaining 45,55,65 cooperating with complementary shaped cavities 35a, 35b, 15a, 15b housings 30, 10 so as to facilitate guidance, positioning and the maintenance of the terminal blocks against the housings of electrical appliances.
  • the difference between the support range and the connection range of a same horizontal face of a housing is designed so that when the two enclosures 30 and 10 are juxtaposed one on the other by their support beach, the space created between the beach of downstream connection 34a of the first housing 30 and the upstream connection zone 14b of the second housing 10 allows to house a common power terminal block 40 removable.
  • this common terminal block 40 is identical to the power terminal blocks upstream 60 and downstream 50, thereby reducing the number of different parts required for assembly of the assembly described since all the power terminals 40,50,60 are interchangeable between them.
  • the holding lugs 45 of the power terminal block common 40 are associated with the cavities 35a, 35b of the housing 30.
  • the common terminal block 40 could also be returned so that the holding pins 45 can be associated with the cavities of the second housing 10 (via a wedge 70).
  • Such a protection and control assembly consisting of two electrical appliances therefore has only three power terminals 40,50,60 then Usually, two terminal blocks per device are needed.
  • the common power terminal block 40 performs several functions. Once the downstream bars 39a of the first apparatus and the upstream tabs 19b of the second apparatus are inserted into the openings 44 of the common terminal block 40, an action of tightening on the three clamping screws 42 allows a two-wire electrical connection downstream strips 39a of the first device with corresponding upstream strips 19b of the second apparatus. In addition, this clamping action allows fixation mechanics of the two devices together. Thanks to this mechanical fixation, only one device, for example the first device 30, needs to be fixed by its rear face 32 on a support, such as a frame, a profile or a plate, the other device being maintained only by the common terminal block 40. It can then very easily assemble the two devices together before fixing the assembly on the support. In addition, only one support is necessary to mount the assembly.
  • the downstream bars 39a of the first device are slightly offset from the upstream bars 19b of the second apparatus in one direction perpendicular to the vertical axis X of the bars.
  • the downstream strips 39a of the housing 30 are shifted backwards relative to the bars upstream 19b of the housing 10. It would obviously be possible to consider a shift forward, or even a lateral offset of the downstream bars with respect to the upstream bars.
  • the invention also makes it possible to produce a set of protection and order with more than two electrical devices. It is indeed easy to add a third electrical device to the described set while retaining the same Power terminal blocks 40,50,60. If the case of the third electrical appliance is placed downstream of the housing 10, as in the case of a thermal relay for example, it will be juxtaposed with the downstream bearing surface 13a of the housing 10 and the power terminal block 50 will be used terminal block common between the housings of the second and third device. The bars the upstream connection of the third device will then be designed to be slightly offset from the downstream bars of the second apparatus.
  • some switchgear may include construction a recess on a front part of the connecting range of their horizontal faces downstream and upstream, before the outputs of the terminal strips.
  • the ranges of downstream connection 14a and upstream 14b of the second electrical apparatus comprise such recess located just in front of the terminal strips 19a, 19b.
  • this recess can then be closed by the introduction of a wedge 70, respectively 70 ', between the housing 10 and the power terminal block 40, respectively 50, in order to improve the maintenance of the 40,50 power terminal blocks against the housing 10.
  • These spacers 70, 70 ' are identical and symmetrical with respect to a vertical plane median.
  • They have a parallelepipedal shape with a substantially equal height at the recess and a width substantially equal to the width of the housings of electrical appliances. They thus make it possible to fill said recesses without to increase the overall dimensions of the assembly described in the invention. They comprise a first horizontal face having holding lugs which can cooperate with the cavities 15a, 15b of the housing 10 and a second horizontal face opposite having cavities that can cooperate with the holding pins of the adjacent power terminals.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Patch Boards (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Abstract

The assembly includes a first and second electrical switch apparatus, each having a casing (10,30) with connection bars at the front (19b,39b) and back (19a,39a), which projects on a horizontal connection area at the front (14b,34b) and back (14a,34a) of the casing. The bars are adaptable to be inserted in the openings of the movable power terminal blocks (40,50,60). The assembly contains a common power terminal block (40) allowing electrical connection by locking of the front bars (39a) of the first apparatus, with the rear bars (19b) of the second apparatus, ensuring a mechanical fixation of the apparatus.

Description

La présente invention se rapporte à un ensemble de protection et de commande électromagnétique permettant la fixation mécanique et le raccordement électrique de plusieurs appareils électriques interrupteurs, en particulier pour la réalisation d'un ensemble comportant une association d'au moins deux appareils électriques tel qu'un contacteur, un disjoncteur, un sectionneur, un sectionneur porte-fusibles, un relais thermique ou tout autre appareil électrique analogue, utilisables en distribution ou commande électrique basse tension. L'invention concerne également un appareil électrique susceptible d'entrer dans la composition d'un tel ensemble de protection et de commande.The present invention relates to a set of protection and electromagnetic control for mechanical fastening and connection electrical apparatus of several electrical switches, in particular for the realization of a set comprising an association of at least two devices such as a contactor, a circuit breaker, a disconnector, a fuse disconnector, a thermal relay or any other similar electrical device, usable in distribution or low voltage electrical control. The invention also relates to a electrical apparatus likely to enter into the composition of such a set of protection and control.

Dans un ensemble destiné à la protection et à la commande d'un moteur électrique (généralement appelé un "ensemble de départ moteur") ou de toute autre charge électrique multipolaire en basse tension, on associe fréquemment en cascade un premier appareil électrique de protection, tel qu'un disjoncteur ou un sectionneur porte-fusibles avec un second appareil électrique de commande, tel qu'un contacteur, ces deux appareils étant interconnectés entre eux. On peut aussi ajouter à cette association d'autres appareils comme un relais thermique de protection.In an assembly for the protection and control of an engine electric (usually called an "engine starter kit") or any other multipolar electric charge in low voltage, we frequently associate in cascade a first electrical protection device, such as a circuit breaker or a disconnector fuse holder with a second electrical control device, such as a contactor, these two devices being interconnected with each other. We can also add to this combination of other devices as a protective thermal relay.

Il est souhaitable de pouvoir réaliser un tel ensemble de départ moteur le plus simplement et le plus rapidement possible tout en conservant une connexion fiable. Pour des raisons évidentes de coût, de gain de temps lors du montage/câblage et de gain de place dans les coffrets ou armoires électriques accueillant l'ensemble, on cherche notamment à supprimer d'éventuels conducteurs (fils, barres) de raccordement entre les appareils, àminimiser le nombre de raccordements électriques àeffectuer et àminimiser l'encombrement total des différents appareils associés.It is desirable to be able to make such a set of motor starters the most simply and as quickly as possible while maintaining a reliable connection. For obvious reasons of cost, time saving during assembly / wiring and saving space in enclosures or electrical cabinets welcoming the whole, we seeks in particular to remove possible conductors (wires, bars) from connection between devices, to minimize the number of electrical connections to perform and minimize the total size of the different associated devices.

Il existe déjà des solutions, notamment dans le document EP0588712, dans lesquelles, pour réaliser plus rapidement une association mécanique et électrique, on propose une pièce spécifique qui vient se positionner entre les deux appareils électriques et qui intègre des conducteurs rigides permettant de se raccorder sur les borniers respectifs des deux appareils électriques. Néanmoins, cette solution nécessite une opération de raccordement sur les borniers des deux appareils et peut par ailleurs imposer d'écarter les deux appareils l'un de l'autre pour y insérer cette pièce.Solutions already exist, notably in document EP0588712, in which, to achieve a faster mechanical and electrical combination, offers a specific piece that is positioned between the two devices electrical systems and incorporating rigid conductors to connect to respective terminal blocks of the two electrical appliances. Nevertheless, this solution requires a connection operation on the terminals of both devices and can also impose to separate the two devices from each other to insert this room.

Dans le document W00046880, on décrit un système où les appareils électriques comprennent des borniers munis de bornes élastiques dans lesquelles on vient directement insérer par l'avant un bloc d'interconnexion des deux appareils. Le système comporte en outre des moyens d'accrochage mécaniques complémentaires sur les deux appareils afin de parfaire leur fixation mécanique. Cette solution n'est cependant pas adaptée aux bornes à vis communément utilisées en particulier dans des appareils aptes àcommuter un courant électrique de forte puissance, par exemple supérieur ou égal à32A sous 400V. De plus, le bloc d'interconnexion nécessite de toute façon la présence d'un bornier propre sur chaque appareil.In the document W00046880, a system is described in which the apparatuses electrical devices include terminal blocks with elastic terminals in which comes directly insert from the front an interconnection block of the two devices. The system further comprises complementary mechanical fastening means on both devices to complete their mechanical fixation. This solution is not however not suitable for screw terminals commonly used especially in devices capable of switching a high power electric current, for example greater than or equal to 32A at 400V. In addition, the interconnection block requires way the presence of a clean terminal block on each device.

L'invention a donc pour but de faciliter la mise en place d'une association mécanique et électrique de plusieurs appareils électriques en cascade dans le but de réaliser de manière simple, fiable et économique un ensemble de protection et de commande.The invention therefore aims to facilitate the establishment of an association mechanical and electrical equipment of several electrical appliances in cascade for the purpose of achieve a simple, reliable and economical way of protecting and protecting ordered.

Pour cela, l'invention décrit un ensemble de protection et de commande comprenant un premier appareil électrique interrupteur et un second appareil électrique interrupteur possédant chacun un boítier muni de barrettes conductrices de connexion amont, respectivement aval, qui viennent en saillie selon un axe vertical sur une plage de raccordement horizontale amont, respectivement aval, de chaque boítier et qui sont susceptibles d'être insérées dans des ouvertures de borniers de puissance amovibles, les appareils électriques étant juxtaposés l'un sur l'autre suivant une direction parallèle à l'axe vertical. L'ensemble de protection et de commande comprend un bornier amovible commun permettant de raccorder électriquement par serrage les barrettes de connexion aval du premier appareil électrique avec les barrettes de connexion amont correspondantes du second appareil électrique, assurant en outre une fixation mécanique des deux appareils électriques.For this, the invention describes a protection and control assembly comprising a first electrical switch device and a second electrical appliance switch each having a housing provided with conductive connection strips upstream, respectively downstream, which project in a vertical axis on a beach horizontal upstream connection respectively downstream of each housing and which are capable of being inserted into removable power terminal block openings, electrical appliances being juxtaposed one on the other in a direction parallel to the vertical axis. The protection and control set includes a removable terminal block common to electrically connect the bars of downstream connection of the first electrical appliance with the upstream connection strips corresponding devices of the second electrical device, further ensuring mechanics of both electrical appliances.

Selon une caractéristique, le boítier du premier appareil électrique comporte une plage d'appui horizontale aval qui est plaquée contre une plage d'appui horizontale amont du boítier du second appareil électrique. According to one characteristic, the housing of the first electrical appliance comprises a downstream horizontal support pad that is pressed against a horizontal support pad upstream of the housing of the second electrical device.

Selon une autre caractéristique, les barrettes aval du premier appareil électrique sont décalées par rapport aux barrettes amont du second appareil électrique suivant une direction perpendiculaire à l'axe vertical des barrettes. Les borniers amovibles sont identiques et interchangeables et possèdent des organes de maintien aptes à coopérer avec des moyens complémentaires disposés dans les boítiers des appareils électriques.According to another characteristic, the downstream strips of the first device electric are offset from the upstream bars of the second electrical appliance in a direction perpendicular to the vertical axis of the bars. Terminal blocks removable are identical and interchangeable and have retainers able to cooperate with complementary means arranged in the housings of electrical appliances.

Ainsi, grâce à l'invention, on optimise l'encombrement global pris par l'ensemble constitué des deux appareils électriques puisque ceux-ci sont juxtaposés l'un sur l'autre, et on simplifie le montage et le câblage de l'ensemble puisqu'il n'existe qu'un seul bornier commun entre les boítiers des deux appareils permettant de faire àla fois le raccordement électrique et la fixation mécanique des deux appareils.Thus, thanks to the invention, the overall size taken by the set consisting of two electrical devices since they are juxtaposed one on the other, and it simplifies the assembly and wiring of the set since there is a single terminal block common between the housings of the two devices to make the electrical connection and mechanical fastening of both devices.

Un autre but de l'invention est de proposer un appareil électrique interrupteur apte àêtre intégré dans un ensemble de protection et de commande tel que décrit dans l'invention. Cet appareil comporte un boítier muni de barrettes conductrices de connexion amont, respectivement aval, qui viennent en saillie selon un axe vertical sur une plage de raccordement horizontale amont, respectivement aval, du boítier et qui sont susceptibles d'être insérées dans des ouvertures de borniers de puissance amovibles. Selon une caractéristique, les barrettes aval de l'appareil électrique sont décalées par rapport aux barrettes amont de l'appareil électrique suivant une direction perpendiculaire à l'axe vertical. L'invention décrit également un bornier de puissance susceptible d'être intégré dans un tel ensemble de protection et de commande.Another object of the invention is to provide an electrical switch device able to be integrated into a protection and control system as described in the invention. This device comprises a housing provided with conductive strips of upstream connection respectively downstream, which project from a vertical axis on an upstream and downstream horizontal connection area of the housing and which may be inserted into power terminal block openings removable. According to one characteristic, the downstream bars of the electrical apparatus are offset from the upstream bars of the electrical apparatus in one direction perpendicular to the vertical axis. The invention also describes a power terminal block likely to be integrated into such a set of protection and control.

D'autres caractéristiques et avantages vont apparaítre dans la description détaillée qui suit en se référant à un mode de réalisation donné à titre d'exemple et représenté par les dessins annexés sur lesquels :

  • la figure 1 schématise en vue de face un exemple d'un ensemble de protection et de commande comprenant deux appareils électriques,
  • la figure 2 reprend la figure 1 en vue de côté, dans laquelle figurent en outre les barrettes conductrices des deux appareils électriques,
  • la figure 3 montre en vue de face un boítier d'un appareil électrique interrupteur entrant dans la composition d'un ensemble selon la figure 1,
  • la figure 4 reprend la figure 3 en vue de côté,
  • la figure 5 détaille un bornier amovible selon une coupe A-A de la figure 1,
  • la figure 6 représente le bornier de la figure 5 en vue de face.
Other features and advantages will appear in the detailed description which follows with reference to an embodiment given by way of example and represented by the appended drawings in which:
  • FIG. 1 schematizes in front view an example of a protection and control assembly comprising two electrical appliances,
  • FIG. 2 is a side view of FIG. 1, in which the conductive strips of the two electrical appliances are furthermore shown,
  • FIG. 3 shows a front view of a housing of an electrical switch device used in the composition of an assembly according to FIG. 1,
  • FIG. 4 shows FIG. 3 in side view,
  • FIG. 5 details a removable terminal block according to a section AA of FIG. 1,
  • Figure 6 shows the terminal block of Figure 5 in front view.

Les figures 1 et 2 présentent un exemple de réalisation d'un ensemble de protection et de commande selon l'invention. Cet ensemble comporte au moins deux appareils électriques, en l'occurrence un disjoncteur et un contacteur. L'invention permet de façon équivalente de réaliser un ensemble comprenant plus que deux appareils électriques, par exemple trois appareils : un disjoncteur, un contacteur et un relais thermique comme détaillé plus loin. De plus, il est clair que l'invention peut aussi s'appliquer à tout autre appareil électrique utilisable en distribution ou commande électrique basse tension.FIGS. 1 and 2 show an exemplary embodiment of a set of protection and control according to the invention. This set has at least two electrical apparatus, in this case a circuit breaker and a contactor. The invention allows an equivalent way to achieve a set of more than two electrical appliances, for example three appliances: a circuit breaker, a contactor and a thermal relay as detailed below. Moreover, it is clear that the invention can also apply to any other electrical appliance that may be used in distribution or control low voltage electric.

Les figures 3 et 4 représentent un appareil électrique interrupteur multipolaire, par exemple du type disjoncteur, susceptible de s'intégrer dans un tel ensemble de protection et de commande. L'appareil électrique comprend un boítier 30 de forme globalement parallélépipédique avec une face avant 31 pouvant comporter un organe de manoeuvre opposée à une face arrière 32 pouvant comporter des moyens de fixation de l'appareil sur un châssis, un profilé et/ou une platine. Le boítier 30 possède également une face horizontale amont 33b,34b opposée à une face horizontale aval 33a,34a. Des barrettes conductrices de connexion amont 39b viennent en saillie sur la face horizontale amont 33b,34b du boítier 30 selon un axe vertical X et des barrettes conductrices de connexion aval 39a viennent en saillie sur la face horizontale aval 33a,34a du boítier 30 selon le même axe vertical X, mais dans une direction opposée. Bien entendu, à chacun des pôles de l'appareil interrupteur correspond une barrette amont et une barrette aval correspondante, destinées àl'arrivée et au départ du courant électrique dans ce pôle. Les exemples présentés dans les figures comportent trois barrettes amont et trois barrettes aval, schématisant ainsi des appareils tripolaires. Dans un mode de réalisation préféré de l'invention, l'appareil interrupteur possède des barrettes conductrices 39a,39b rigides, de section rectangulaire identique et de taille suffisante pour la circulation d'un courant de forte puissance, par exemple supérieur ou égal à32A sous 400V. Habituellement, les barrettes conductrices sont métalliques, en particulier en cuivre.Figures 3 and 4 show a multipolar electrical switch device, for example of the breaker type, likely to be integrated in such a set of protection and control. The electrical apparatus comprises a housing 30 of form generally parallelepipedic with a front face 31 which may comprise an organ operating mechanism opposite a rear face 32 may comprise fixing means of the device on a frame, a profile and / or a plate. The housing 30 has also an upstream horizontal face 33b, 34b opposite to a downstream horizontal face 33a, 34a. Conducting upstream connection strips 39b project from the upstream horizontal face 33b, 34b of the housing 30 along a vertical axis X and bars downstream connection conductors 39a project from the downstream horizontal face 33a, 34a of the housing 30 along the same vertical axis X, but in an opposite direction. Of course, at each of the poles of the switch device corresponds a bar upstream and a corresponding downstream strip, for the arrival and departure of the current in this pole. The examples presented in the figures include three upstream and three downstream bars, schematizing three-pole devices. In a preferred embodiment of the invention, the switch device has conductive strips 39a, 39b rigid, of identical rectangular section and size sufficient for the circulation of a high power current, for example higher or equal to 32A under 400V. Usually, the conductive bars are metallic, in particular copper.

Préférentiellement, la face horizontale aval 33a,34a et la face horizontale amont 33b,34b du boítier 30 sont formées par plusieurs plans horizontaux décalés l'un par rapport à l'autre. Ainsi, la face horizontale aval 33a,34a est constituée d'au moins une plage horizontale d'appui aval 33a ainsi que d'une plage horizontale de raccordement aval 34a décalée de laquelle sortent les barrettes conductrices aval 39a. De même, la face horizontale amont 33b,34b est constituée d'au moins une plage horizontale d'appui amont 33b ainsi que d'une plage horizontale de raccordement amont 34b décalée de laquelle sortent les barrettes conductrices amont 39b. Les plages d'appui aval 33a et amont 33b sont plus proches de la face arrière 32 du boítier 30 et sont plus écartées l'une de l'autre que les plages de raccordement aval 34a et amont 34b.Preferably, the downstream horizontal face 33a, 34a and the horizontal face Upstream 33b, 34b of the housing 30 are formed by several horizontal planes offset one compared to each other. Thus, the downstream horizontal face 33a, 34a consists of at least a horizontal downstream support surface 33a and a horizontal range of downstream connection 34a offset from which the downstream conductor strips 39a emerge. Similarly, the upstream horizontal face 33b, 34b consists of at least one horizontal upstream support 33b and a horizontal connection range upstream 34b offset from which the upstream conductive bars 39b. The downstream bearing surfaces 33a and upstream 33b are closer to the rear face 32 of the housing 30 and are further apart from each other than the downstream connection pads 34a and upstream 34b.

Les plages de raccordement aval 34a et amont 34b du boítier 30 sont agencées pour recevoir chacune un bornier de puissance amovible 40 de façon à permettre le raccordement électrique des barrettes de connexion 39a,39b du boítier 30 avec des conducteurs extérieurs. Un tel bornier de puissance 40, représenté aux figures 5 et 6, possède évidemment autant de bornes de puissance que de pôles de l'appareil interrupteur sur lequel il doit être monté. Il est de forme parallélépipédique avec deux faces horizontales 41,49 opposées et une face avant verticale permettant d'accéder à des vis de serrage 42 des bornes. Pour chaque borne du bornier de puissance 40, il existe une ouie d'ouverture verticale 44 traversant les faces horizontales 41,49 et permettant d'insérer un ou plusieurs conducteurs électriques perpendiculairement à l'axe des vis 42. La largeur d'un bornier 40 est sensiblement égale àcelle du boítier 30.The downstream connection pads 34a and upstream 34b of the housing 30 are arranged to each receive a removable power terminal block 40 so as to allow the electrical connection of the connection strips 39a, 39b of the housing 30 with outside conductors. Such a power terminal block 40, shown in FIGS. Figures 5 and 6, obviously has as many power terminals as poles of the switch device on which it is to be mounted. It is parallelepipedic with two opposing horizontal faces 41,49 and a vertical front face to access clamping screws 42 of the terminals. For each terminal of the terminal block power 40, there is a vertical aperture 44 through the faces 41,49 and to insert one or more electrical conductors perpendicularly to the axis of the screws 42. The width of a terminal block 40 is substantially equal to that of the housing 30.

Ainsi, chaque barrette de connexion 39a,39b se trouve insérée dans une ouverture correspondante 44 lorsqu'une des faces horizontales 41,49 d'un bornier de connexion 40 est plaquée contre une plage de raccordement 34a,34b du boítier 30. De façon classique, chaque borne d'un bornier de puissance 40 comprend une vis de serrage 42 coopérant avec une cage de serrage 43 située dans l'ouverture 44 correspondante de la borne. Lorsqu'on serre la vis 42, on déforme la cage 43 de façon à ce que celle-ci vienne enserrer les conducteurs présents dans l'ouverture 44. Ce serrage permet d'effectuer un raccordement électrique efficace de la barrette de connexion avec tout autre conducteur préalablement inséré dans l'ouverture 44, et permet en plus de fixer le bornier de connexion 40 contre le boítier 30 de l'appareil interrupteur.Thus, each connection strip 39a, 39b is inserted in a corresponding opening 44 when one of the horizontal faces 41, 49 of a terminal block of 40 is pressed against a connection area 34a, 34b of the housing 30. From conventionally, each terminal of a power terminal block 40 comprises a screw of clamping 42 cooperating with a clamping cage 43 located in the opening 44 corresponding terminal. When tightening the screw 42, the cage 43 is deformed so as to what it comes to grip the drivers present in the opening 44. This tightening makes it possible to make an effective electrical connection of the bar of connection with any other conductor previously inserted in the opening 44, and allows in addition to fix the connection terminal block 40 against the housing 30 of the device light switch.

De plus, pour faciliter le guidage, le positionnement et le maintien des borniers de puissance 40 sur le boítier 30 de l'appareil électrique, au moins une des faces horizontales 41,49 du bornier de puissance 40 présente des organes de maintien 45. Ces organes de maintien 45 sont conçus pour pouvoir coopérer avec des moyens complémentaires aval 35a, respectivement amont 35b, agencés au niveau des plages de raccordement aval 34a, respectivement amont 34b, du boítier 30.In addition, to facilitate the guiding, positioning and maintenance of terminal blocks 40 on the housing 30 of the electrical apparatus, at least one of the faces 41.49 of the power terminal block 40 has holding members 45. These holding members 45 are designed to be able to cooperate with means complementary downstream 35a, respectively upstream 35b, arranged at the beaches downstream connection 34a, respectively upstream 34b, housing 30.

Selon un mode de réalisation préféré, ces organes de maintien sont constitués par un ou plusieurs ergots 45 présents sur une partie avant de la face horizontale 41 du bornier de puissance 40. Lorsque le bornier de puissance 40 est monté contre le boítier 30, ces ergots sont introduits dans autant de cavités correspondantes 35a,35b présentes sur une partie avant des plages de raccordement 34a,34b du boítier 30. Préférentiellement, les cavités 35a,35b sont de forme complémentaire aux ergots 45. Une fois les barrettes de connexion 39 engagées dans les ouvertures 44 et avant le serrage des vis 42, la mise en place définitive du bornier 40 se fait alors par glissement vers l'arrière de la face horizontale 41 le long de la plage de raccordement 34a,34b du boítier 30 jusqu'en butée contre la plage d'appui 33a,33b. Durant cette opération, les ergots 45 sont engagés dans les cavités correspondantes 35a,35b contribuant au maintien et au positionnement du bornier contre le boítier.According to a preferred embodiment, these holding members are constituted by one or more lugs 45 present on a front portion of the horizontal face 41 of the power terminal block 40. When the power terminal block 40 is mounted against the housing 30, these lugs are introduced into as many corresponding cavities 35a, 35b present on a front portion of the connection pads 34a, 34b of the housing 30. Preferably, the cavities 35a, 35b are of complementary shape to the lugs 45. Once the connection strips 39 engaged in the openings 44 and before the tightening of the screws 42, the final positioning of the terminal block 40 is then done by sliding towards the rear of the horizontal face 41 along the connecting range 34a, 34b of the housing 30 to the stop against the bearing surface 33a, 33b. During this operation, pins 45 are engaged in the corresponding cavities 35a, 35b contributing to the maintaining and positioning the terminal block against the housing.

Le bornier de puissance amovible 40 est avantageusement symétrique par rapport à un plan vertical médian de façon à ce qu'un même bornier 40 puisse indifféremment être monté en aval mais aussi en amont d'un boítier 30 après retournement. Dans les exemples présentés, la face horizontale 41 comporte deux ergots 45 disposés de part et d'autre du plan vertical médian.The removable power terminal block 40 is advantageously symmetrical by relative to a median vertical plane so that the same terminal block 40 can indifferently be mounted downstream but also upstream of a housing 30 after turnaround. In the examples presented, the horizontal face 41 has two pins 45 disposed on either side of the median vertical plane.

En référence aux figures 1 et 2, l'ensemble de protection et de commande décrit dans l'invention comprend un premier appareil électrique interrupteur tel que décrit précédemment et un second appareil électrique interrupteur. De manière similaire au premier appareil électrique 30, ce second appareil électrique comprend un boítier 10 de forme globalement parallélépipédique comportant une face horizontale amont 13b,14b opposée àune face horizontale aval 13a, 14a. La largeur du boítier 10 du second appareil est sensiblement égale àcelle du boítier 30 du premier appareil. Des barrettes conductrices de connexion amont 19b, respectivement aval 19a, viennent en saillie sur la face horizontale amont, respectivement aval, du boítier 10 selon un axe vertical X. La face horizontale aval 13a,14a est constituée d'au moins une plage horizontale d'appui aval 13a et d'une plage horizontale de raccordement aval 14a décalée de laquelle sortent les barrettes de connexion aval 19a. De même, la face horizontale amont 13b,14b est constituée d'au moins une plage horizontale d'appui amont 13b et d'une plage horizontale de raccordement amont 14b décalée de laquelle sortent les barrettes de connexion amont 19b. Les plages d'appui aval 13a et amont 13b sont plus proches de la face arrière du boítier 10 et plus écartées l'une de l'autre que les plages de raccordement aval 14a et amont 14b. Des cavités 15a,15b, similaires aux cavités 35a,35b, sont agencées sur une partie avant des plages de raccordement aval 14a et amont 14b du boítier 10, pour accueillir des ergots de maintien de borniers de puissance.With reference to FIGS. 1 and 2, the protection and control assembly described in the invention comprises a first electrical switch device such as previously described and a second electrical switch device. So similar to the first electrical apparatus 30, this second electrical apparatus comprises a casing 10 of generally parallelepipedic shape having a horizontal face upstream 13b, 14b opposite a downstream horizontal face 13a, 14a. The width of the housing 10 of the second apparatus is substantially equal to that of the housing 30 of the first apparatus. of the upstream connecting conductor strips 19b, respectively downstream 19a, come into projecting on the upstream horizontal face, respectively downstream, of the housing 10 along an axis vertical X. The downstream horizontal face 13a, 14a consists of at least one horizontal support downstream 13a and a horizontal range of downstream connection 14a staggered from which the downstream connection strips 19a emerge. Similarly, the face horizontal upstream 13b, 14b consists of at least one horizontal support surface upstream 13b and a horizontal range of upstream connection 14b offset from which output the upstream connection strips 19b. The downstream support pads 13a and upstream 13b are closer to the rear face of the housing 10 and further apart from each other that the connection pads downstream 14a and upstream 14b. Cavities 15a, 15b, similar the cavities 35a, 35b are arranged on a front part of the connection pads downstream 14a and upstream 14b of the housing 10 to accommodate terminal blocking lugs power.

Une fois l'ensemble de protection et de commande assemblé, les boítiers 30 et 10 sont juxtaposés l'un sur l'autre selon une direction parallèle à l'axe vertical X des barrettes de connexion de telle sorte que la plage d'appui aval 33a du boítier 30 du premier appareil électrique est plaquée contre la plage d'appui amont 13b du boítier 10 du second appareil électrique. L'encombrement vertical de l'ensemble de protection et de commande est donc minimum puisque les boítiers des deux appareils électriques sont directement juxtaposés sans espace entre eux.Once the protection and control assembly assembled, the housings 30 and 10 are juxtaposed one on the other in a direction parallel to the vertical axis X of the connecting strips so that the downstream bearing surface 33a of the housing 30 of the first electrical appliance is pressed against the upstream support pad 13b of the housing 10 second electrical appliance. The vertical dimensions of the protection and order is minimal since the enclosures of both electrical devices are directly juxtaposed without space between them.

En aval de l'ensemble, un bornier de puissance aval 50 amovible est monté contre la plage de raccordement aval 14a du second boítier 10. Le serrage des vis de ce bornier aval 50 permet de fixer celui-ci contre le boítier 10 et de raccorder électriquement les barrettes de connexion aval 19a àdes conducteurs extérieurs aval. De même, en amont de l'ensemble, un bornier de puissance amont 60 amovible est monté contre la plage de raccordement amont 34b du premier boítier 30. Le serrage des vis du bornier amont 60 permet de fixer celui-ci contre le boítier 30 et de raccorder électriquement les barrettes de connexion amont 39b à des conducteurs extérieurs amont. Les borniers de puissance 50,60 sont identiques au bornier de puissance 40 décrit précédemment. Les borniers de puissance 40,50,60 comprennent des ergots de maintien 45,55,65 coopérant avec les cavités de forme complémentaire 35a,35b,15a,15b des boítiers 30,10 de façon àfaciliter le guidage, le positionnement et le maintien des borniers contre les boítiers des appareils électriques.Downstream of the assembly, a removable power terminal block 50 is mounted against the downstream connection pad 14a of the second housing 10. The tightening of the screws of this terminal block downstream 50 allows to fix it against the housing 10 and connect electrically downstream connection strips 19a to downstream outer conductors. Similarly, upstream of the assembly, a removable upstream power terminal block 60 is mounted against the upstream connection zone 34b of the first housing 30. The clamping screws of the upstream terminal block 60 makes it possible to fix it against the housing 30 and to connect electrically upstream connection strips 39b to external conductors upstream. The 50,60 power terminal blocks are identical to the 40 power terminal block previously described. The 40,50,60 power terminal blocks include pins of maintaining 45,55,65 cooperating with complementary shaped cavities 35a, 35b, 15a, 15b housings 30, 10 so as to facilitate guidance, positioning and the maintenance of the terminal blocks against the housings of electrical appliances.

Le décalage existant entre la plage d'appui et la plage de raccordement d'une même face horizontale d'un boítier est conçu pour que, lorsque les deux boítiers 30 et 10 sont juxtaposés l'un sur l'autre par leur plage d'appui, l'espace créé entre la plage de raccordement aval 34a du premier boítier 30 et la plage de raccordement amont 14b du second boítier 10 permette de loger un bornier de puissance commun 40 amovible. Avantageusement, ce bornier commun 40 est identique aux borniers de puissance amont 60 et aval 50, réduisant ainsi le nombre de pièces différentes nécessaires au montage de l'ensemble décrit puisque tous les borniers de puissance 40,50,60 sont interchangeables entre eux. Les ergots de maintien 45 du bornier de puissance commun 40 sont associés aux cavités 35a,35b du boítier 30. Le bornier commun 40 pourrait aussi être retourné pour que les ergots de maintien 45 puissent s'associer aux cavités du second boítier 10 (via une cale 70).The difference between the support range and the connection range of a same horizontal face of a housing is designed so that when the two enclosures 30 and 10 are juxtaposed one on the other by their support beach, the space created between the beach of downstream connection 34a of the first housing 30 and the upstream connection zone 14b of the second housing 10 allows to house a common power terminal block 40 removable. Advantageously, this common terminal block 40 is identical to the power terminal blocks upstream 60 and downstream 50, thereby reducing the number of different parts required for assembly of the assembly described since all the power terminals 40,50,60 are interchangeable between them. The holding lugs 45 of the power terminal block common 40 are associated with the cavities 35a, 35b of the housing 30. The common terminal block 40 could also be returned so that the holding pins 45 can be associated with the cavities of the second housing 10 (via a wedge 70).

Ainsi, un tel ensemble de protection et de commande constitué de deux appareils électriques ne comporte donc que trois borniers de puissance 40,50,60 alors qu'habituellement, deux borniers par appareil sont nécessaires.Thus, such a protection and control assembly consisting of two electrical appliances therefore has only three power terminals 40,50,60 then Usually, two terminal blocks per device are needed.

Le bornier de puissance commun 40 remplit plusieurs fonctions. Une fois que les barrettes aval 39a du premier appareil et les barrettes amont 19b du second appareil sont insérées dans les ouvertures 44 du bornier commun 40, une action de serrage sur les trois vis de serrage 42 permet un raccordement électrique deux àdeux des barrettes aval 39a du premier appareil avec les barrettes amont correspondantes 19b du second appareil. De plus, cette action de serrage permet une fixation mécanique des deux appareils entre eux. Grâce à cette fixation mécanique, un seul appareil, par exemple le premier appareil 30, a besoin d'être fixé par sa face arrière 32 sur un support, tel qu'un châssis, un profilé ou une platine, l'autre appareil étant maintenu uniquement par le bornier commun 40. On peut alors très facilement assembler les deux appareils entre eux avant la fixation de l'ensemble sur le support. De plus, un seul support est alors nécessaire au montage de l'ensemble.The common power terminal block 40 performs several functions. Once the downstream bars 39a of the first apparatus and the upstream tabs 19b of the second apparatus are inserted into the openings 44 of the common terminal block 40, an action of tightening on the three clamping screws 42 allows a two-wire electrical connection downstream strips 39a of the first device with corresponding upstream strips 19b of the second apparatus. In addition, this clamping action allows fixation mechanics of the two devices together. Thanks to this mechanical fixation, only one device, for example the first device 30, needs to be fixed by its rear face 32 on a support, such as a frame, a profile or a plate, the other device being maintained only by the common terminal block 40. It can then very easily assemble the two devices together before fixing the assembly on the support. In addition, only one support is necessary to mount the assembly.

Pour assurer efficacement le raccordement électrique et la fixation mécanique entre les deux appareils, les barrettes aval 39a du premier appareil sont légèrement décalées par rapport aux barrettes amont 19b du second appareil suivant une direction perpendiculaire à l'axe vertical X des barrettes. Dans les exemples schématisés, les barrettes aval 39a du boítier 30 sont décalées vers l'arrière par rapport aux barrettes amont 19b du boítier 10. On aurait évidemment pu envisager un décalage vers l'avant, ou même un décalage latéral des barrettes aval par rapport aux barrettes amont.To effectively ensure electrical connection and mechanical fixing between the two devices, the downstream bars 39a of the first device are slightly offset from the upstream bars 19b of the second apparatus in one direction perpendicular to the vertical axis X of the bars. In the schematized examples, the downstream strips 39a of the housing 30 are shifted backwards relative to the bars upstream 19b of the housing 10. It would obviously be possible to consider a shift forward, or even a lateral offset of the downstream bars with respect to the upstream bars.

Ce décalage doit être suffisant pour ne pas gêner la juxtaposition des boítiers 30 et 10 lors du montage de l'ensemble. Mais ce décalage doit néanmoins permettre, une fois l'ensemble monté et une fois les vis 42 du bornier commun 40 serrées, que les barrettes aval 39a du premier appareil se chevauchent et soient affleurantes avec les barrettes amont 19b du second appareil pour former une zone de contact électrique 49, comme indiqué en figure 5. En outre, la longueur des barrettes de connexion aval et amont est conçue pour que le chevauchement des barrettes aval 39a du premier appareil et des barrettes amont 19b du second appareil fournisse une zone de contact 49 suffisante pour un maintien mécanique fiable et une connexion électrique satisfaisante des deux appareils, conforme au courant électrique susceptible de circuler dans l'ensemble de protection et de commande.This offset must be sufficient not to hinder the juxtaposition of enclosures 30 and 10 when assembling the assembly. But this gap must nevertheless allow, once the assembled assembly and once the screws 42 of the common terminal block 40 are tightened, that the downstream strips 39a of the first device overlap and are flush with the upstream strips 19b of the second apparatus to form an electrical contact zone 49, as shown in Figure 5. In addition, the length of the downstream and upstream is designed so that the overlap of the downstream bars 39a of the first apparatus and upstream strips 19b of the second apparatus provide a contact zone 49 sufficient for reliable mechanical support and electrical connection satisfactory performance of both devices, consistent with the electrical current likely to circulate in the protection and control system.

L'invention permet aussi de réaliser un ensemble de protection et de commande comportant plus que deux appareils électriques. Il est en effet facile de rajouter un troisième appareil électrique à l'ensemble décrit en conservant les mêmes borniers de puissance 40,50,60. Si le boítier du troisième appareil électrique est placé en aval du boítier 10, comme dans le cas d'un relais thermique par exemple, il sera juxtaposé àla plage d'appui aval 13a du boítier 10 et le bornier de puissance 50 servira de bornier commun entre les boítiers du deuxième et troisième appareil. Les barrettes de connexion amont du troisième appareil seront alors conçues pour être légèrement décalées par rapport aux barrettes aval du second appareil. Inversement, si un troisième appareil électrique était mis en amont du boítier 30, il serait juxtaposé à la plage d'appui amont 33b et le bornier de puissance 60 servirait de bornier commun entre les boítiers du premier et troisième appareil. Les barrettes de connexion aval du troisième appareil devraient alors être légèrement décalées par rapport aux barrettes amont du premier appareil.The invention also makes it possible to produce a set of protection and order with more than two electrical devices. It is indeed easy to add a third electrical device to the described set while retaining the same Power terminal blocks 40,50,60. If the case of the third electrical appliance is placed downstream of the housing 10, as in the case of a thermal relay for example, it will be juxtaposed with the downstream bearing surface 13a of the housing 10 and the power terminal block 50 will be used terminal block common between the housings of the second and third device. The bars the upstream connection of the third device will then be designed to be slightly offset from the downstream bars of the second apparatus. Conversely, if a third electrical device was put upstream of the housing 30, it would be juxtaposed to the Upstream support pad 33b and the power terminal block 60 would serve as common terminal block between the housings of the first and third apparatus. The downstream connection strips of the third device should then be slightly offset from the bars upstream of the first device.

Par ailleurs, certains appareils interrupteurs peuvent comporter par construction un décrochement sur une partie avant de la plage de raccordement de leurs faces horizontales aval et amont, àl'avant des sorties des barrettes de connexion. Ainsi, selon le mode de réalisation de l'invention des figures 1 et 2, les plages de raccordement aval 14a et amont 14b du second appareil électrique comportent un tel décrochement situé juste devant les barrettes de connexion 19a,19b. Pour réaliser l'ensemble décrit, ce décrochement peut alors être obturé par l'introduction d'une cale 70, respectivement 70', entre le boítier 10 et le bornier de puissance 40, respectivement 50, de façon àaméliorer le maintien des borniers de puissance 40,50 contre le boítier 10. Ces cales 70,70' sont identiques et symétriques par rapport à un plan vertical médian. Elles ont une forme parallélépipédique avec une hauteur sensiblement égale au décrochement et une largeur sensiblement égale à la largeur des boítiers des appareils électriques. Elles permettent ainsi de combler lesdits décrochements sans augmenter les dimensions générales de l'ensemble décrit dans l'invention. Elles comportent une première face horizontale présentant des ergots de maintien pouvant coopérer avec les cavités 15a, 15b du boítier 10 et une seconde face horizontale opposée présentant des cavités pouvant coopérer avec les ergots de maintien des borniers de puissance attenants.In addition, some switchgear may include construction a recess on a front part of the connecting range of their horizontal faces downstream and upstream, before the outputs of the terminal strips. Thus, according to the embodiment of the invention of FIGS. 1 and 2, the ranges of downstream connection 14a and upstream 14b of the second electrical apparatus comprise such recess located just in front of the terminal strips 19a, 19b. To realize the set described, this recess can then be closed by the introduction of a wedge 70, respectively 70 ', between the housing 10 and the power terminal block 40, respectively 50, in order to improve the maintenance of the 40,50 power terminal blocks against the housing 10. These spacers 70, 70 'are identical and symmetrical with respect to a vertical plane median. They have a parallelepipedal shape with a substantially equal height at the recess and a width substantially equal to the width of the housings of electrical appliances. They thus make it possible to fill said recesses without to increase the overall dimensions of the assembly described in the invention. They comprise a first horizontal face having holding lugs which can cooperate with the cavities 15a, 15b of the housing 10 and a second horizontal face opposite having cavities that can cooperate with the holding pins of the adjacent power terminals.

Il est bien entendu que l'on peut, sans sortir du cadre de l'invention, imaginer d'autres variantes et perfectionnements de détail et de même envisager l'emploi de moyens équivalents.It is understood that one can, without departing from the scope of the invention, imagine other variants and refinements of detail and even consider the use of equivalent means.

Claims (11)

Ensemble de protection et de commande comprenant un premier appareil électrique interrupteur et un second appareil électrique interrupteur possédant chacun un boítier (30,10) muni de barrettes conductrices de connexion amont (39b,19b), respectivement aval (39a,19a), qui viennent en saillie d'une plage de raccordement horizontale amont (34b,14b), respectivement aval (34a,14a), des boítiers (30,10) selon un axe vertical (X) et qui sont susceptibles d'être insérées dans des ouvertures (44) de borniers de puissance (40,50,60) amovibles, les appareils électriques étant juxtaposés l'un sur l'autre suivant une direction parallèle à l'axe vertical (X), caractérisé en ce que l'ensemble de protection et de commande comprend un bornier de puissance commun (40) amovible permettant de raccorder électriquement par serrage les barrettes de connexion aval (39a) du premier appareil électrique avec les barrettes de connexion correspondantes amont (19b) du second appareil électrique, assurant une fixation mécanique des deux appareils électriques.Protection and control assembly comprising a first electrical switching device and a second electrical switch device each having a housing (30, 10) provided with upstream (39b, 19b) or downstream (39a, 19a), respectively downstream ( protruding from an upstream horizontal connection zone (34b, 14b), respectively downstream (34a, 14a), housings (30, 10) along a vertical axis (X) and which can be inserted into openings ( 44) of removable power terminals (40, 50, 60), the electrical devices being juxtaposed one on the other in a direction parallel to the vertical axis (X), characterized in that the protection assembly and controller comprises a removable common power terminal block (40) for electrically clamping the downstream connection strips (39a) of the first electrical appliance with the corresponding upstream connecting bars (19b) of the second electrical appliance, as fixing a mechanical fixation of the two electrical devices. Ensemble de protection et de commande selon la revendication 1, caractérisé en ce que le boítier (30) du premier appareil électrique comporte une plage d'appui horizontale aval (33a) qui est plaquée contre une plage d'appui horizontale amont (13b) du boítier (10) du second appareil électrique.Protection and control assembly according to claim 1, characterized in that the housing (30) of the first electrical appliance comprises a downstream horizontal bearing surface (33a) which is pressed against an upstream horizontal support surface (13b) of the housing (10) of the second electrical apparatus. Ensemble de protection et de commande selon la revendication 2, caractérisé en ce que le bornier de puissance commun (40) est positionné entre la plage de raccordement horizontale aval (34a) du boítier (30) du premier appareil électrique et la plage de raccordement horizontale amont (14b) du boítier (10) du second appareil électrique.Protection and control assembly according to Claim 2, characterized in that the common power terminal block (40) is positioned between the downstream horizontal connection area (34a) of the housing (30) of the first electrical appliance and the horizontal connection area. upstream (14b) of the housing (10) of the second electrical appliance. Ensemble de protection et de commande selon la revendication 1, caractérisé en ce que les barrettes aval (39a) du premier appareil électrique sont décalées par rapport aux barrettes amont (19b) du second appareil électrique suivant une direction perpendiculaire à l'axe vertical (X) des barrettes.Protection and control assembly according to Claim 1, characterized in that the downstream strips (39a) of the first electrical appliance are offset with respect to the upstream bars (19b) of the second electrical appliance in a direction perpendicular to the vertical axis (X ) bars. Ensemble de protection et de commande selon la revendication 1, caractérisé en ce qu'il comprend un bornier de puissance amont (60) amovible susceptible de recevoir les barrettes amont (39b) du boítier (30) du premier appareil, un bornier de puissance aval (50) amovible susceptible de recevoir les barrettes aval (19a) du boítier (10) du second appareil, les borniers de puissance amont (50) et aval (60) étant identiques et interchangeables avec le bornier de puissance commun (40).Protection and control assembly according to claim 1, characterized in that it comprises a removable upstream power terminal block (60) capable of receiving the upstream strips (39b) of the housing (30) of the first device, a downstream power terminal block (50) removable capable of receiving the downstream strips (19a) of the housing (10) of the second device, the upstream power terminal (50) and downstream (60) being identical and interchangeable with the common power terminal (40). Ensemble de protection et de commande selon la revendication 5, caractérisé en ce que les borniers de puissance (40,50,60) possèdent des organes de maintien (45,55,65) aptes à coopérer avec des moyens complémentaires (35a,35b,15a,15b) disposés dans les boítiers (30,10) des appareils électriques.Protection and control assembly according to Claim 5, characterized in that the power terminal blocks (40, 50, 60) have holding elements (45, 55, 65) able to cooperate with complementary means (35a, 35b, 15a, 15b) arranged in the housings (30,10) of the electrical apparatus. Ensemble de protection et de commande selon la revendication 6, caractérisé en ce que les organes de maintien sont constitués par un ou plusieurs ergots (45) disposés sur une face horizontale (41) des borniers de puissance (40).Protection and control assembly according to claim 6, characterized in that the holding members are constituted by one or more lugs (45) disposed on a horizontal face (41) of the power terminal blocks (40). Ensemble de protection et de commande selon la revendication 6, caractérisé en ce qu'une cale (70) est insérée entre un boítier (10) d'un appareil électrique et un bornier de puissance (40) amovible, la cale (70) comportant des organes de maintien aptes à coopérer avec les moyens complémentaires (15b) disposés dans le boítier (10).Protection and control assembly according to Claim 6, characterized in that a shim (70) is inserted between a housing (10) of an electrical appliance and a removable power terminal (40), the shim (70) comprising holding members adapted to cooperate with the complementary means (15b) disposed in the housing (10). Appareil électrique interrupteur comportant un boítier (10,30) muni de barrettes conductrices de connexion amont (19b,39b), respectivement aval (19a,39a), qui viennent en saillie selon un axe vertical (X) sur une plage de raccordement horizontale amont (14b,34b), respectivement aval (14a,34a), du boítier (10,30) et qui sont susceptibles d'être insérées dans des ouvertures (44) de borniers de puissance (40,50,60) amovibles, caractérisé en ce que l'appareil électrique est apte à être intégré dans un ensemble de protection et de commande selon l'une des revendications précédentes.Switching electrical apparatus comprising a housing (10, 30) provided with upstream (19b, 39b) and downstream (19a, 39a) connection conductor strips, which project from a vertical axis (X) over an upstream horizontal connection pad (14b, 34b), respectively downstream (14a, 34a), of the housing (10,30) and which can be inserted into openings (44) of removable power terminal blocks (40, 50, 60), characterized in that that the electrical apparatus is adapted to be integrated into a protection and control assembly according to one of the preceding claims. Appareil électrique interrupteur selon la revendication 9, caractérisé en ce que les barrettes aval (39a) de l'appareil électrique sont décalées par rapport aux barrettes amont (39b) de l'appareil électrique suivant une direction perpendiculaire à l'axe vertical (X).Electrical switch device according to claim 9, characterized in that the downstream strips (39a) of the electrical apparatus are offset with respect to the upstream bars (39b) of the electrical apparatus in a direction perpendicular to the vertical axis (X) . Bornier de puissance amovible pour appareils électriques interrupteurs, caractérisé en ce qu'il comprend des ouvertures (44) pouvant chacune accueillir une ou plusieurs barrettes conductrices de connexion (19a,19b,39a,39b) d'appareils électriques interrupteurs, de façon à être intégré dans un ensemble de protection et de commande selon l'une des revendications 1 à 9.Removable power terminal block for electrical switch devices, characterized in that it comprises openings (44) each of which can accommodate one or more conductive connection strips (19a, 19b, 39a, 39b) of electrical switchgear, so as to be integrated in a protection and control assembly according to one of claims 1 to 9.
EP03101681.9A 2002-06-25 2003-06-10 Electromagnetic protection and control assembly Expired - Lifetime EP1376637B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0207964 2002-06-25
FR0207964A FR2841377B1 (en) 2002-06-25 2002-06-25 ELECTROMAGNETIC PROTECTION AND CONTROL ASSEMBLY

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EP1376637A1 true EP1376637A1 (en) 2004-01-02
EP1376637B1 EP1376637B1 (en) 2013-04-24

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US (1) US6840823B2 (en)
EP (1) EP1376637B1 (en)
JP (1) JP4242214B2 (en)
KR (1) KR100988718B1 (en)
CN (1) CN1256748C (en)
ES (1) ES2408307T3 (en)
FR (1) FR2841377B1 (en)

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Also Published As

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JP2004031354A (en) 2004-01-29
EP1376637B1 (en) 2013-04-24
US6840823B2 (en) 2005-01-11
KR100988718B1 (en) 2010-10-18
JP4242214B2 (en) 2009-03-25
CN1487548A (en) 2004-04-07
ES2408307T3 (en) 2013-06-20
FR2841377A1 (en) 2003-12-26
FR2841377B1 (en) 2004-08-06
KR20040002675A (en) 2004-01-07
CN1256748C (en) 2006-05-17
US20040042148A1 (en) 2004-03-04

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