EP1160816A1 - Frame structure for vacuum tube of a power switch module - Google Patents

Frame structure for vacuum tube of a power switch module Download PDF

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Publication number
EP1160816A1
EP1160816A1 EP01401411A EP01401411A EP1160816A1 EP 1160816 A1 EP1160816 A1 EP 1160816A1 EP 01401411 A EP01401411 A EP 01401411A EP 01401411 A EP01401411 A EP 01401411A EP 1160816 A1 EP1160816 A1 EP 1160816A1
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EP
European Patent Office
Prior art keywords
uprights
chassis
plate
centering
vacuum interrupter
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
EP01401411A
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German (de)
French (fr)
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EP1160816B1 (en
Inventor
Said Attack
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Grid Solutions SAS
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Alstom SA
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Publication of EP1160816A1 publication Critical patent/EP1160816A1/en
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Publication of EP1160816B1 publication Critical patent/EP1160816B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H2033/6665—Details concerning the mounting or supporting of the individual vacuum bottles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/022—Details particular to three-phase circuit breakers

Definitions

  • the invention relates to a frame for holding a vacuum bulb from power switch module, comprising a first upright and a second identical upright made of electrically insulating material arranged symmetrically about a main axis of the vacuum interrupter.
  • a power switch module provision is made for have several sockets side by side to hold several bulbs at normally identical vacuum, each vacuum interrupter used to interrupt a phase of an electricity transmission line.
  • each vacuum interrupter used to interrupt a phase of an electricity transmission line.
  • the differences in electrical potential between empty bulbs arranged side by side side by side generate significant electrodynamic forces which tend to pushing the vacuum ampoules apart from each other, these efforts being all the more important that the distance between two vacuum interrupters is small. It is therefore essential that the chassis structure receiving the bulb vacuum is very rigid to resist electrodynamic forces and that the vacuum interrupter is not offset axially between the two uprights of the chassis under the constraint of these efforts.
  • the aim of the invention is to propose a new chassis construction which is modular for a low cost, that is to say which accepts several vacuum bulbs from a range of vacuum bulbs for a low cost of realization, and which is able to withstand electrodynamic forces high intensity between phases to allow an arrangement of several vacuum bulb frame in a power switch module with a small footprint.
  • the invention relates to a frame for holding a bulb with no load of power switch module, comprising a first upright and a second identical upright of electrically insulating material arranged symmetrically with respect to a main axis of the bulb to empty, characterized in that a plate of electrically insulating material is rigidly linked to the uprights by embedding and clipping, this plate used to maintain and center the vacuum interrupter between said amounts.
  • the adaptation of the chassis to several types of vacuum ampoules simply consists of the realization of a plate of centering for each type of vacuum interrupter.
  • the holding functions and for centering the vacuum interrupter according to the invention are therefore not carried out by a metal foundry piece.
  • This centering plate being of preferably made by molding and / or thermoforming a material plastic and / or composite, it has a very low cost price. Else apart, this plate which is made of an electrically insulating material and which is fixed to the chassis uprights by embedding and clipping allows, with the metallic electrical connection parts fixed by screws to the uprights, to reinforce the chassis structure to take over a large part of the electrodynamic forces which are applied to the vacuum interrupter in a power switch module. This arrangement contributes to obtaining a very compact arrangement of the frames in a module power switch.
  • FIG. 1 is a perspective view of a chassis according to the invention in which is fitted with a vacuum interrupter.
  • FIG. 2 is a perspective view of the chassis according to the invention without the vacuum interrupter.
  • Figure 3 is a perspective view of the centering plate of the chassis according to the invention.
  • Figure 4 is a perspective view of a frame amount according the invention.
  • FIG. 5 is a sectional view of the chassis according to the invention in which is installed a vacuum interrupter.
  • Figure 6 is an overview of three chassis according to the invention associated within the same power switch module.
  • FIG. 1 we see a frame comprising two identical uprights 1 and 2 of electrically insulating material arranged vertically, one first metal part 3A which is rigidly linked to the upper part of the two uprights, a second metal part 3B which is rigidly linked at the bottom of the two uprights.
  • the two metal parts 3A and 3B are used for the electrical connection of the terminals of the vacuum interrupter 4 which is placed between the two uprights 1 and 2.
  • the metal part 3A also has function of keeping the vacuum interrupter 4 in suspension between the two amounts.
  • a plate 5 made of material electrically insulating is embedded and clipped between the two uprights 1 and 2. This plate 5 is used to hold and center the vacuum interrupter between the two uprights 1 and 2 which are removably attached to a plate by screws 6, this plate constituting a wall of a switch module power.
  • the vacuum interrupter has a main longitudinal axis 7 and the two identical uprights 1 and 2 are arranged symmetrically by relative to axis 7.
  • the vacuum interrupter 4 arranged vertically between the two uprights 1 and 2 vertical, is maintained and is centered between the two uprights by the centering plate 5.
  • FIGS 2, 3, and 4 provide a better understanding of the nature of the mechanical connection between the centering plate 5 and the two uprights 1 and 2 of the chassis.
  • the centering plate 5 has a shape approximately rectangular and has a light 8 at each of its two ends as well as a clip tab 9 arranged at near a light 8. Each tab 9 has a lug 10.
  • the centering plate 5 also has a cylindrical bore 11 in position central between the two lights 8 and the two tabs 9.
  • the plate centering 5 may have reinforcing ribs around the slots 8 and bore 11.
  • each amount such as 1 or 2 comprises in its central part a positioning pad 12 which is intended to come engage in a slot 8 of the centering plate 5 and a slot 13 disposed above the stud 12 and in which engages the lug 10 of a tab 9 of the centering plate 5.
  • each upright 1 or 2 has a recess 14 arranged under the stud 12 and through which can be inserted the centering plate 5.
  • the chassis is able to withstand bending stresses relative to axis 7 or torsional stresses relative to this axis, corresponding to interphase forces and to loop forces which are applied by the bulb to the centering plate 5 in the plane of this plate.
  • this strengthening of the rigidity of the chassis is achieved without metallic material so that it does not increase efforts between phase electrodynamics that the chassis can undergo.
  • the cylindrical bore 11 of the centering plate 5 is intended to receive a complementary cylindrical part of the vacuum interrupter, by example the lower part 18 (visible in FIG. 5) thereof in which slides the operating rod 19 of the movable contact. Since the vacuum interrupter is suspended from the metal part 3A and is centered along the vertical axis 7 between the two uprights by the piece of centering 5, a large part of the electrodynamic forces which are applied to the bulb are taken up by the centering plate 5 then by the amounts so that the rigidity of the whole chassis is found significantly improved. From the point of view of the adaptability of the chassis to several types of vacuum ampoules, it is important to note that adaptation of plate 5 to the type of vacuum interrupter that one wishes to mount on the chassis according to the invention will generally be sufficient. So if by example the centering diameter of the bulb is different, it will suffice make a centering plate with a bore 11 in diameter corresponding.
  • centering plate 5 can be inserted between the two uprights 1 and 2 through one or other of the recesses 14, it is preferable to provide for the clipping of the tongues 9 into slots 13 arranged on the outside face of the uprights.
  • Figure 5 illustrates the positioning of these tabs 9 on the outside of the uprights 1 and 2.
  • the centering plate 5 is disposed between the parts 3A and 3B electrical connection along axis 7.
  • FIG. 6 illustrates a power switch module with three chassis arranged side by side and in each of which is installed a vacuum bulb.
  • the longitudinal axes of each bulb are indicated by 7,7 ', 7 "and the respective amounts of the chassis are indicated respectively by 1.2; 1 ', 2'; 1 ", 2".
  • the uprights of one chassis and the uprights of another adjacent chassis are face two to two. More specifically, the uprights 1,1 ', 1 "are arranged in alignment parallel to the alignment formed by the uprights 2,2 ′, 2 ", the two rows of uprights 1,1 ', 1 "and 2,2', 2” being arranged on the side and the alignment of the axes 7,7 ', 7 ".
  • the fundamental interest of this layout is the compactness obtained for the switch module power.
  • the two uprights and the centering plate of a chassis can be made inexpensively by molding and / or thermoforming a material plastic and / or composite.

Abstract

The vacuum tube chassis holder has a first and second vertical section (1,2) in isolating material placed symmetrically around a central axis (7). A central slab (5) of isolating material is rigidly held with two snap fit connectors (12) connected to the outer vertical sections.

Description

L'invention concerne un châssis pour maintenir une ampoule à vide de module interrupteur de puissance, comprenant un premier montant et un second montant identiques en matériau électriquement isolant disposés de façon symétrique par rapport à un axe principal de l'ampoule à vide.The invention relates to a frame for holding a vacuum bulb from power switch module, comprising a first upright and a second identical upright made of electrically insulating material arranged symmetrically about a main axis of the vacuum interrupter.

Un tel châssis est déjà connu du document de brevet US-5864108. Dans ce châssis connu, l'ampoule à vide est maintenue à ses deux extrémités entre les deux montants par deux pièces métalliques de fonderie fixées par plusieurs vis aux montants. Ces pièces de fonderie servent également au raccordement électrique des bornes de l'ampoule à vide. Il existe sur le marché plusieurs types d'ampoule à vide ayant des dimensions différentes et correspondant à des intensités électriques de service différentes pour répondre à des spécifications techniques particulières. Pour pouvoir installer toute une gamme d'ampoules à vide dans un châssis connu du document US-5864108, il est nécessaire de prévoir autant de pièces de fonderie différentes qu'il y a d'ampoules à vide différentes à installer, ce qui est coûteux.Such a chassis is already known from patent document US-5864108. In this known frame, the vacuum interrupter is held at its two ends between the two uprights by two metal foundry pieces fixed by several screws to the uprights. These foundry pieces are also used for electrical connection of the vacuum bulb terminals. It exists on the market several types of vacuum interrupter with different dimensions and corresponding to different electrical service intensities for meet specific technical specifications. To be able to install a whole range of vacuum ampoules in a frame known from the document US-5864108, it is necessary to provide as many casting parts different that there are different vacuum bulbs to install, which is expensive.

Par ailleurs, dans un module interrupteur de puissance, il est prévu de disposer plusieurs châssis côte à côte pour maintenir plusieurs ampoules à vide normalement identiques, chaque ampoule à vide servant à interrompre une phase d'une ligne de transport d'électricité. Dans un tel module, les différences de potentiel électrique entre les ampoules à vides disposées côte à côte génèrent des efforts électrodynamiques importants qui tendent à repousser l'une de l'autre les ampoules à vide, ces efforts étant d'autant plus importants que la distance séparant deux ampoules à vide est faible. Il est par conséquent primordial que la structure du châssis recevant l'ampoule à vide soit très rigide pour résister aux efforts électrodynamiques et que l'ampoule à vide ne soit pas décalée axialement entre les deux montants du châssis sous la contrainte de ces efforts.Furthermore, in a power switch module, provision is made for have several sockets side by side to hold several bulbs at normally identical vacuum, each vacuum interrupter used to interrupt a phase of an electricity transmission line. In such a module, the differences in electrical potential between empty bulbs arranged side by side side by side generate significant electrodynamic forces which tend to pushing the vacuum ampoules apart from each other, these efforts being all the more important that the distance between two vacuum interrupters is small. It is therefore essential that the chassis structure receiving the bulb vacuum is very rigid to resist electrodynamic forces and that the vacuum interrupter is not offset axially between the two uprights of the chassis under the constraint of these efforts.

Le but de l'invention est de proposer une nouvelle construction de châssis qui soit modulable pour un faible coût, c'est-à-dire qui accepte plusieurs ampoules à vide d'une gamme d'ampoules à vide pour un faible coût de réalisation, et qui est apte à supporter des efforts électrodynamiques d'intensité élevée entre phases pour permettre une disposition de plusieurs châssis d'ampoule à vide dans un module interrupteur de puissance avec un faible encombrement. The aim of the invention is to propose a new chassis construction which is modular for a low cost, that is to say which accepts several vacuum bulbs from a range of vacuum bulbs for a low cost of realization, and which is able to withstand electrodynamic forces high intensity between phases to allow an arrangement of several vacuum bulb frame in a power switch module with a small footprint.

A cet effet, l'invention a pour objet un châssis pour maintenir une ampoule à vide de module interrupteur de puissance, comprenant un premier montant et un second montant identiques en matériau électriquement isolant disposés de façon symétrique par rapport à un axe principal de l'ampoule à vide, caractérisé en ce qu'une plaque en matériau électriquement isolant est rigidement liée aux montants par encastrement et par clipsage, cette plaque servant au maintien et au centrage de l'ampoule à vide entre lesdits montants.To this end, the invention relates to a frame for holding a bulb with no load of power switch module, comprising a first upright and a second identical upright of electrically insulating material arranged symmetrically with respect to a main axis of the bulb to empty, characterized in that a plate of electrically insulating material is rigidly linked to the uprights by embedding and clipping, this plate used to maintain and center the vacuum interrupter between said amounts.

Avec un tel agencement, l'adaptation du châssis à plusieurs types d'ampoules à vide consiste simplement en la réalisation d'une plaque de centrage pour chaque type d'ampoule à vide. Les fonctions de maintien et de centrage de l'ampoule à vide selon l'invention ne sont donc pas réalisées par une pièce métallique de fonderie. Cette plaque de centrage étant de préférence réalisée par moulage et/ou thermoformage d'une matière plastique et/ou composite, elle est d'un coût de revient très faible. D'autre part, cette plaque qui est réalisée en une matière électriquement isolante et qui est fixée aux montants du châssis par encastrement et clipsage permet, avec les pièces métalliques de connexion électrique fixées par des vis aux montants, de renforcer la structure du châssis pour reprendre une grande partie des efforts électrodynamiques qui sont appliqués à l'ampoule à vide dans un module interrupteur de puissance. Cet agencement contribue à l'obtention d'une disposition très compacte des châssis dans un module interrupteur de puissance.With such an arrangement, the adaptation of the chassis to several types of vacuum ampoules simply consists of the realization of a plate of centering for each type of vacuum interrupter. The holding functions and for centering the vacuum interrupter according to the invention are therefore not carried out by a metal foundry piece. This centering plate being of preferably made by molding and / or thermoforming a material plastic and / or composite, it has a very low cost price. Else apart, this plate which is made of an electrically insulating material and which is fixed to the chassis uprights by embedding and clipping allows, with the metallic electrical connection parts fixed by screws to the uprights, to reinforce the chassis structure to take over a large part of the electrodynamic forces which are applied to the vacuum interrupter in a power switch module. This arrangement contributes to obtaining a very compact arrangement of the frames in a module power switch.

L'invention sera maintenant décrite en référence aux dessins annexés qui en illustrent une forme de réalisation à titre d'exemple non limitatif.The invention will now be described with reference to the accompanying drawings which illustrate an embodiment thereof by way of nonlimiting example.

La figure 1 est une vue en perspective d'un châssis selon l'invention dans lequel est montée une ampoule à vide.Figure 1 is a perspective view of a chassis according to the invention in which is fitted with a vacuum interrupter.

La figure 2 est une vue en perspective du châssis selon l'invention sans l'ampoule à vide.Figure 2 is a perspective view of the chassis according to the invention without the vacuum interrupter.

La figure 3 est une vue en perspective de la plaque de centrage du châssis selon l'invention.Figure 3 is a perspective view of the centering plate of the chassis according to the invention.

La figure 4 est une vue en perspective d'un montant du châssis selon l'invention.Figure 4 is a perspective view of a frame amount according the invention.

La figure 5 est une vue en coupe du châssis selon l'invention dans lequel est installée une ampoule à vide. Figure 5 is a sectional view of the chassis according to the invention in which is installed a vacuum interrupter.

La figure 6 est une vue d'ensemble de trois châssis selon l'invention associés au sein d'un même module interrupteur de puissance.Figure 6 is an overview of three chassis according to the invention associated within the same power switch module.

Sur la figure 1, on voit un châssis comprenant deux montants identiques 1 et 2 en matériau électriquement isolant disposés verticalement, une première pièce métallique 3A qui est rigidement liée à la partie supérieure des deux montants, une seconde pièce métallique 3B qui est rigidement liée à la partie inférieure des deux montants. Les deux pièces métalliques 3A et 3B servent au raccordement électrique des bornes de l'ampoule à vide 4 qui est disposée entre les deux montant 1 et 2. La pièce métallique 3A a aussi pour fonction de maintenir en suspension l'ampoule à vide 4 entre les deux montants. Comme visible sur la figure 1, une plaque 5 en matériau électriquement isolant est encastrée et clipsée entre les deux montants 1 et 2. Cette plaque 5 sert au maintien et au centrage de l'ampoule à vide entre les deux montants 1 et 2 qui sont fixés de façon amovible sur une platine par des vis 6, cette platine constituant une paroi d'un module interrupteur de puissance.In Figure 1, we see a frame comprising two identical uprights 1 and 2 of electrically insulating material arranged vertically, one first metal part 3A which is rigidly linked to the upper part of the two uprights, a second metal part 3B which is rigidly linked at the bottom of the two uprights. The two metal parts 3A and 3B are used for the electrical connection of the terminals of the vacuum interrupter 4 which is placed between the two uprights 1 and 2. The metal part 3A also has function of keeping the vacuum interrupter 4 in suspension between the two amounts. As visible in FIG. 1, a plate 5 made of material electrically insulating is embedded and clipped between the two uprights 1 and 2. This plate 5 is used to hold and center the vacuum interrupter between the two uprights 1 and 2 which are removably attached to a plate by screws 6, this plate constituting a wall of a switch module power.

Sur la figure 1, l'ampoule à vide a un axe longitudinal principal 7 et les deux montants 1 et 2 identiques sont disposés de façon symétrique par rapport à l'axe 7. L'ampoule à vide 4, disposée verticalement entre les deux montants 1 et 2 verticaux, est maintenue et est centrée entre les deux montants par la plaque de centrage 5.In FIG. 1, the vacuum interrupter has a main longitudinal axis 7 and the two identical uprights 1 and 2 are arranged symmetrically by relative to axis 7. The vacuum interrupter 4, arranged vertically between the two uprights 1 and 2 vertical, is maintained and is centered between the two uprights by the centering plate 5.

Les figures 2, 3, et 4 permettent de mieux comprendre la nature de la liaison mécanique entre la plaque de centrage 5 et les deux montants 1 et 2 du châssis.Figures 2, 3, and 4 provide a better understanding of the nature of the mechanical connection between the centering plate 5 and the two uprights 1 and 2 of the chassis.

Sur la figure 2, on voit la plaque de centrage 5 qui est encastrée et clipsée entre les deux montants 1 et 2 de formes identiques et disposés verticalement de manière symétrique par rapport à l'axe 7 qui est normal à la plaque de centrage. L'assemblage ainsi obtenu a la forme d'un « H » dans lequel la plaque de centrage est horizontale et les montants sont verticaux.In Figure 2, we see the centering plate 5 which is embedded and clipped between the two uprights 1 and 2 of identical shapes and arranged vertically symmetrically to axis 7 which is normal to the centering plate. The assembly thus obtained has the form of an "H" in which the centering plate is horizontal and the uprights are vertical.

Sur la figure 3, on voit que la plaque de centrage 5 a une forme approximativement rectangulaire et comporte une lumière 8 a chacune de ses deux extrémités ainsi qu'une languette de clipsage 9 disposée à proximité d'une lumière 8. Chaque languette 9 comporte un ergot 10. La plaque de centrage 5 comporte encore un alésage cylindrique 11 en position centrale entre les deux lumières 8 et les deux languettes 9. La plaque de centrage 5 peut comporter des nervures de renfort autour des lumières 8 et de l'alésage 11.In FIG. 3, it can be seen that the centering plate 5 has a shape approximately rectangular and has a light 8 at each of its two ends as well as a clip tab 9 arranged at near a light 8. Each tab 9 has a lug 10. The centering plate 5 also has a cylindrical bore 11 in position central between the two lights 8 and the two tabs 9. The plate centering 5 may have reinforcing ribs around the slots 8 and bore 11.

Sur la figure 4, on voit que chaque montant tel que 1 ou 2 comporte dans sa partie centrale un plot de positionnement 12 qui est destiné à venir s'engager dans une lumière 8 de la plaque de centrage 5 et une lumière 13 disposée au dessus du plot 12 et dans laquelle s'engage l'ergot 10 d'une languette 9 de la plaque de centrage 5. Par ailleurs, chaque montant 1 ou 2 comporte un évidemment 14 disposé sous le plot 12 et à travers lequel peut être introduite la plaque de centrage 5.In FIG. 4, it can be seen that each amount such as 1 or 2 comprises in its central part a positioning pad 12 which is intended to come engage in a slot 8 of the centering plate 5 and a slot 13 disposed above the stud 12 and in which engages the lug 10 of a tab 9 of the centering plate 5. In addition, each upright 1 or 2 has a recess 14 arranged under the stud 12 and through which can be inserted the centering plate 5.

En revenant à la figure 2, on voit les plots 12 des montants 1 et 2 encastrés dans les lumières 8 de la plaque de centrage 5 et les ergots 10 des languettes 9 de la plaque de centrage 5 clipsés dans les lumières 13 des montants. On comprend donc que les plots 12 des montants 1 et 2 réalisent avec les lumières 8 un positionnement relatif de la plaque par rapport aux montants qui a pour objet d'interdire à la plaque de centrage tout déplacement selon un plan normal à l'axe principal 7. Par ailleurs, les languettes 9 de la plaque de centrage réalisent avec les lumières 13 des montants un positionnement relatif de la plaque par rapport aux montants qui a pour objet d'interdire tout mouvement relatif entre eux le long de l'axe principal 7. Avec cette construction, le châssis est apte à résister à des contraintes de flexion par rapport à l'axe 7 ou de torsion par rapport à cet axe, correspondant à des efforts d'entrephase et a des efforts de boucle qui sont appliqués par l'ampoule à la plaque de centrage 5 dans le plan de cette plaque. En outre ce renforcement de la rigidité du châssis est réalisé sans matière métallique ce qui fait qu'il n'augmente pas les efforts électrodynamiques entre phase que peut subir le châssis.Returning to FIG. 2, we see the studs 12 of the uprights 1 and 2 embedded in the lights 8 of the centering plate 5 and the pins 10 tabs 9 of the centering plate 5 clipped into the slots 13 amounts. It is therefore understood that the studs 12 of the uprights 1 and 2 achieve with the lights 8 a relative positioning of the plate by report to the amounts which is intended to prohibit the centering plate all displacement along a plane normal to the main axis 7. Furthermore, the tabs 9 of the centering plate realize with the lights 13 of the uprights relative positioning of the plate relative to the uprights which is intended to prohibit any relative movement between them along the axis main 7. With this construction, the chassis is able to withstand bending stresses relative to axis 7 or torsional stresses relative to this axis, corresponding to interphase forces and to loop forces which are applied by the bulb to the centering plate 5 in the plane of this plate. In addition, this strengthening of the rigidity of the chassis is achieved without metallic material so that it does not increase efforts between phase electrodynamics that the chassis can undergo.

L'alésage cylindrique 11 de la plaque de centrage 5 est destiné à recevoir une partie complémentaire cylindrique de l'ampoule à vide, par exemple la partie inférieure 18 (visible sur la figure 5) de celle-ci dans laquelle coulisse la tige de manoeuvre 19 du contact mobile. Vu que l'ampoule à vide est suspendue à la pièce métallique 3A et qu'elle est centrée suivant l'axe vertical 7 entre les deux montants par la pièce de centrage 5, une grande partie des efforts électrodynamiques qui sont appliqués à l'ampoule sont repris par la plaque de centrage 5 puis par les montants si bien que la rigidité de l'ensemble du châssis s'en trouve significativement améliorée. Du point de vue de l'adaptabilité du châssis à plusieurs types d'ampoules à vide, il est important de noter qu'une adaptation de la plaque 5 au type d'ampoule à vide que l'on souhaite monter sur le châssis selon l'invention sera généralement suffisante. Ainsi, si par exemple le diamètre de centrage de l'ampoule est différent, il suffira de réaliser une plaque de centrage ayant un alésage 11 de diamètre correspondant.The cylindrical bore 11 of the centering plate 5 is intended to receive a complementary cylindrical part of the vacuum interrupter, by example the lower part 18 (visible in FIG. 5) thereof in which slides the operating rod 19 of the movable contact. Since the vacuum interrupter is suspended from the metal part 3A and is centered along the vertical axis 7 between the two uprights by the piece of centering 5, a large part of the electrodynamic forces which are applied to the bulb are taken up by the centering plate 5 then by the amounts so that the rigidity of the whole chassis is found significantly improved. From the point of view of the adaptability of the chassis to several types of vacuum ampoules, it is important to note that adaptation of plate 5 to the type of vacuum interrupter that one wishes to mount on the chassis according to the invention will generally be sufficient. So if by example the centering diameter of the bulb is different, it will suffice make a centering plate with a bore 11 in diameter corresponding.

Comme la plaque de centrage 5 peut être introduite entre les deux montants 1 et 2 à travers l'un ou l'autre des évidements 14, il est préférable de prévoir le clipsage des languettes 9 dans des lumières 13 disposées sur la face extérieure des montants. La figure 5 illustre le positionnement de ces languettes 9 sur le côté extérieur des montants 1 et 2. On voit également sur la figure 5 que la plaque de centrage 5 est disposée entre les pièces métalliques 3A et 3B de raccordement électrique suivant l'axe 7.As the centering plate 5 can be inserted between the two uprights 1 and 2 through one or other of the recesses 14, it is preferable to provide for the clipping of the tongues 9 into slots 13 arranged on the outside face of the uprights. Figure 5 illustrates the positioning of these tabs 9 on the outside of the uprights 1 and 2. We also see on Figure 5 that the centering plate 5 is disposed between the parts 3A and 3B electrical connection along axis 7.

En se reportant à la figure 4, on voit plus particulièrement les moyens de fixation 16 en forme de queue d'aronde prévus sur un montant pour recevoir une vis 17 de fixation des pièces métalliques 3A et 3B aux montants 1 et 2. Ce type de moyen de fixation permet d'effectuer un réglage de la position des pièces métalliques 3A et 3B selon un axe perpendiculaire à l'axe principal 7 pour les centrer par rapport à la pièce de centrage 5 entre les deux montants 1 et 2.Referring to Figure 4, we see more particularly the means of fixing 16 in the form of a dovetail provided on an upright to receive a screw 17 for fixing the metal parts 3A and 3B to the uprights 1 and 2. This type of fixing means makes it possible to adjust the position metal parts 3A and 3B along an axis perpendicular to the axis main 7 to center them in relation to the centering piece 5 between the two uprights 1 and 2.

La figure 6 illustre un module interrupteur de puissance comportant trois châssis disposés côte à côte et dans chacun desquels est installée une ampoule à vide. Les axes longitudinaux de chaque ampoules sont indiqués par 7,7',7" et les montants respectifs des châssis sont indiqués respectivement par 1,2; 1',2';1",2". On voit sur cette figure que les montants d'un châssis et les montants d'un autre châssis adjacent se font face deux à deux. Plus particulièrement, les montants 1,1',1" sont disposés en alignement parallèlement à l'alignement formés par les montants 2,2',2", les deux alignements de montants 1,1',1" et 2,2',2" étant disposés de part et d'autre de l'alignement des axes 7,7',7". L'intérêt fondamental de cette disposition est la compacité obtenue pour le module interrupteur de puissance.Figure 6 illustrates a power switch module with three chassis arranged side by side and in each of which is installed a vacuum bulb. The longitudinal axes of each bulb are indicated by 7,7 ', 7 "and the respective amounts of the chassis are indicated respectively by 1.2; 1 ', 2'; 1 ", 2". We see in this figure that the uprights of one chassis and the uprights of another adjacent chassis are face two to two. More specifically, the uprights 1,1 ', 1 "are arranged in alignment parallel to the alignment formed by the uprights 2,2 ′, 2 ", the two rows of uprights 1,1 ', 1 "and 2,2', 2" being arranged on the side and the alignment of the axes 7,7 ', 7 ". The fundamental interest of this layout is the compactness obtained for the switch module power.

Les deux montants et la plaque de centrage d'un châssis peuvent être fabriqués à bon marché par moulage et/ou thermoformage d'une matière plastique et/ou composite.The two uprights and the centering plate of a chassis can be made inexpensively by molding and / or thermoforming a material plastic and / or composite.

Claims (8)

Un châssis pour maintenir une ampoule à vide (4) de module interrupteur de puissance, comprenant un premier montant (1) et un second montant (2) identiques en matériau électriquement isolant disposés de façon symétrique par rapport à un axe principal (7) de l'ampoule à vide, caractérisé en ce qu'une plaque (5) en matériau électriquement isolant est rigidement liée aux montants par encastrement (8 ;12) et par clipsage, cette plaque servant au maintien et au centrage de l'ampoule à vide entre lesdits montants.A frame for holding a vacuum interrupter (4) of a power switch module, comprising a first upright (1) and a second upright (2) identical in electrically insulating material arranged symmetrically with respect to a main axis (7) of the vacuum interrupter, characterized in that a plate (5) of electrically insulating material is rigidly connected to the uprights by embedding (8; 12) and by clipping, this plate serving to maintain and center the vacuum interrupter between said amounts. Le châssis selon la revendication 1, dans lequel ladite plaque de centrage (5) comporte deux lumières de positionnement (8) dans chacune desquelles s'encastre un plot (12) d'un montant correspondant et deux languettes de clipsage (9) qui s'engagent chacune dans une lumière (13) d'un montant correspondant.The chassis of claim 1, wherein said plate centering (5) has two positioning lights (8) in each of which a stud (12) of a corresponding amount and two clip tabs (9) which each engage in a slot (13) of a corresponding amount. Le châssis selon l'une des revendications 1 ou 2, dans lequel chaque montant (1,2) comporte un évidement (14) à travers lequel la plaque de centrage (5) peut être introduite.The chassis according to one of claims 1 or 2, in which each upright (1,2) has a recess (14) through which the plate centering (5) can be introduced. Le châssis selon la revendication 2, dans lequel lesdites languettes de clipsage (9) de ladite plaque de centrage s'engagent dans les lumières (13) des montants du côté de leur face externe respective.The chassis of claim 2, wherein said tabs of clipping (9) of said centering plate engage in the slots (13) uprights on the side of their respective external faces. Le châssis selon l'une des revendications 1 à 4, dans lequel ladite plaque de centrage (5) comporte un alésage central (11) dans lequel s'emboíte une partie cylindrique de ladite ampoule à vide (4).The chassis according to one of claims 1 to 4, wherein said centering plate (5) has a central bore (11) in which fits a cylindrical part of said vacuum interrupter (4). Le châssis selon l'une des revendications 1 à 5, dans lequel chaque montant comporte des moyens de fixation (16) par vis pour des connexions électriques de l'ampoule à vide qui ont chacun la forme d'une queue d'aronde.The frame according to one of claims 1 to 5, in which each upright comprises fixing means (16) by screws for connections vacuum bulb electrics, each in the shape of a tail dovetail. Le châssis selon l'une des revendications 1 à 6, dans lequel les deux montants (1,2) et la plaque de centrage (5) sont fabriqué(s) en matière électriquement isolante par moulage et/ou thermoformage d'une matière plastique et/ou composite.The chassis according to one of claims 1 to 6, in which the two uprights (1,2) and the centering plate (5) are made of material electrically insulating by molding and / or thermoforming of a material plastic and / or composite. Un module interrupteur de puissance comprenant au moins deux châssis selon l'une des revendications 1 à 7 fixés de façon amovible sur un support, lesdits montants d'un châssis et lesdits montants de l'autre châssis se faisant face deux à deux.A power switch module comprising at least two chassis according to one of claims 1 to 7 removably attached to a support, said uprights of a chassis and said uprights of the other chassis facing two by two.
EP01401411A 2000-05-30 2001-05-30 Frame structure for vacuum tube of a power switch module Expired - Lifetime EP1160816B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0006918A FR2809861B1 (en) 2000-05-30 2000-05-30 CHASSIS FOR A VACUUM BULB OF A POWER SWITCH MODULE
FR0006918 2000-05-30

Publications (2)

Publication Number Publication Date
EP1160816A1 true EP1160816A1 (en) 2001-12-05
EP1160816B1 EP1160816B1 (en) 2006-04-26

Family

ID=8850779

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01401411A Expired - Lifetime EP1160816B1 (en) 2000-05-30 2001-05-30 Frame structure for vacuum tube of a power switch module

Country Status (5)

Country Link
EP (1) EP1160816B1 (en)
AT (1) ATE324664T1 (en)
DE (1) DE60119027T2 (en)
ES (1) ES2261363T3 (en)
FR (1) FR2809861B1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007016881A1 (en) * 2005-08-10 2007-02-15 Siemens Aktiengesellschaft Switch pole with supporting frame having latching means
WO2007016882A1 (en) * 2005-08-10 2007-02-15 Siemens Aktiengesellschaft Holding apparatus with field control properties
EP2261941A1 (en) * 2008-04-07 2010-12-15 Mitsubishi Electric Corporation Vacuum breaker and gas insulated switchgear using the same
JP2013149579A (en) * 2012-01-23 2013-08-01 Toshiba Corp Vacuum circuit breaker
EP3370243A1 (en) * 2017-03-03 2018-09-05 Hitachi Industrial Equipment Systems Co., Ltd. Vacuum circuit breaker
US20190066950A1 (en) * 2017-08-28 2019-02-28 Schneider Electric Industries Sas Power breaking device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011086808A1 (en) * 2011-11-22 2013-05-23 Siemens Aktiengesellschaft Switch pole for a circuit breaker

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US4105878A (en) * 1977-01-17 1978-08-08 Mcgraw-Edison Company Vacuum interrupter and disconnect combination
US4879441A (en) * 1988-08-04 1989-11-07 Cooper Industries, Inc. Dielectric barrier for a vacuum interrupter
US5864108A (en) * 1994-05-30 1999-01-26 Siemens Aktiengesellschaft Vacuum switch assembly including housing insulating support

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Publication number Priority date Publication date Assignee Title
US4105878A (en) * 1977-01-17 1978-08-08 Mcgraw-Edison Company Vacuum interrupter and disconnect combination
US4879441A (en) * 1988-08-04 1989-11-07 Cooper Industries, Inc. Dielectric barrier for a vacuum interrupter
US5864108A (en) * 1994-05-30 1999-01-26 Siemens Aktiengesellschaft Vacuum switch assembly including housing insulating support

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101238533B (en) * 2005-08-10 2012-05-30 西门子公司 Fixing device with field control characteristic and switch for interrupting AC
WO2007016882A1 (en) * 2005-08-10 2007-02-15 Siemens Aktiengesellschaft Holding apparatus with field control properties
WO2007016881A1 (en) * 2005-08-10 2007-02-15 Siemens Aktiengesellschaft Switch pole with supporting frame having latching means
CN101288140B (en) * 2005-08-10 2012-01-25 西门子公司 Switch pole of supporting frame with lock device
EP2261941A4 (en) * 2008-04-07 2014-01-01 Mitsubishi Electric Corp Vacuum breaker and gas insulated switchgear using the same
EP2261941A1 (en) * 2008-04-07 2010-12-15 Mitsubishi Electric Corporation Vacuum breaker and gas insulated switchgear using the same
JP2013149579A (en) * 2012-01-23 2013-08-01 Toshiba Corp Vacuum circuit breaker
EP3370243A1 (en) * 2017-03-03 2018-09-05 Hitachi Industrial Equipment Systems Co., Ltd. Vacuum circuit breaker
US20190066950A1 (en) * 2017-08-28 2019-02-28 Schneider Electric Industries Sas Power breaking device
FR3070533A1 (en) * 2017-08-28 2019-03-01 Schneider Electric Industries Sas POLE OF CURRENT CUT
CN109427505A (en) * 2017-08-28 2019-03-05 施耐德电器工业公司 Power trip arm
EP3451358A1 (en) * 2017-08-28 2019-03-06 Schneider Electric Industries SAS Current cutoff pole
US10679807B2 (en) 2017-08-28 2020-06-09 Schneider Electric Industries Sas Power breaking device

Also Published As

Publication number Publication date
DE60119027D1 (en) 2006-06-01
FR2809861B1 (en) 2002-07-12
ATE324664T1 (en) 2006-05-15
EP1160816B1 (en) 2006-04-26
DE60119027T2 (en) 2007-01-11
ES2261363T3 (en) 2006-11-16
FR2809861A1 (en) 2001-12-07

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