EP1239498B1 - Multipole contact block - Google Patents

Multipole contact block Download PDF

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Publication number
EP1239498B1
EP1239498B1 EP02075931A EP02075931A EP1239498B1 EP 1239498 B1 EP1239498 B1 EP 1239498B1 EP 02075931 A EP02075931 A EP 02075931A EP 02075931 A EP02075931 A EP 02075931A EP 1239498 B1 EP1239498 B1 EP 1239498B1
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EP
European Patent Office
Prior art keywords
contact
plane
bridges
block according
contact block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP02075931A
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German (de)
French (fr)
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EP1239498A1 (en
Inventor
Patrice Ing. Thizon
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Publication date
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Publication of EP1239498A1 publication Critical patent/EP1239498A1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H11/0012—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for converting normally open to normally closed switches and vice versa
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0072—Details of switching devices, not covered by groups H01H1/00 - H01H7/00 particular to three-phase switches

Definitions

  • the present invention relates to a three-pole contact block, in particular with sudden rupture and positive opening, usable in a switch sensitive to a thrust movement, particularly a position switch, pushbutton or the like.
  • Such blocks usually comprise a housing which houses fixed contact parts terminated at one end by connection pads and carrying at another end a fixed contact, and a moving element provided with several contact bridges so as to arrange with the fixed contacts at least one aperture pole and a closing pole.
  • the moving element is urged on the one hand by a pusher, on the other hand by a spring system, the whole being arranged to produce a positive opening and a sudden opening and closing.
  • the object of the invention is to enable a multipolar contact block to operate with at least one switchable pole from the normally open state to the normally closed state or vice versa, without modifying the arrangement of the contact carrier.
  • connection pads are arranged in at least three separate connection planes
  • the mobile equipment has at least three bridges.
  • contact arranged to cooperate with fixed contacts in two transverse contact planes and to move in two frontal planes; two contact bridges which are located in the first frontal plane cooperate with fixed pieces of contact coming out on two connection planes, and the third contact bridge which is situated in the second frontal plane cooperates with the fixed pieces of contact coming out on the third connection plan.
  • the third connection plane is in particular located in the middle position between the first two connection planes.
  • the contact block is preferably three-pole and the moving element then has four symmetrically symmetrical contact bridges, the fourth contact bridge being located in the second frontal plane and not cooperating with the fixed contact parts.
  • the moving element may replace the fourth contact bridge with an elastic or movable support piece situated in the second frontal plane opposite the third contact bridge situated in this plane, to move together with the contact bridge. located in the same transverse plane.
  • the mobile assembly is mounted in the housing by introduction via an open rear face of the housing and a bottom is assembled, in particular snapped, to the housing to cover the rear face.
  • the bottom may then have tabs or similar holding elements which bear against the fixed contact parts leading to the rear plane to help maintain them very simply.
  • An insulation cover of the terminals can be attached, in particular snapped, on the front face of the housing.
  • the three-pole contact block shown in the figures comprises a housing 10 of insulating material which houses six conductive parts 11, 12, 13, 14, 15, 16 carrying fixed contacts and a moving element 17 with positive opening and sudden opening movements. and closing, the crew being guided in this housing and provided with movable contacts that cooperate with the fixed contacts.
  • the housing 10 is quadrangular in shape and has three groups of two terminals 21,22,23,24,25,26 forwards distributed over three respective connection planes P1, P2, P3.
  • Each terminal 21-26 comprises a cable clamping screw 27 (or a resilient clamping piece) cooperating with a connection pad 28 of the corresponding conductive part 11-16.
  • the conductive parts 11,12 and 15,16 associated with the terminals 21,22 and 25,26 located in the end connection planes P1, P3 are preferably identical to each other; the conductive parts 13,14 associated with the middle terminals 23,24 of the median plane P2 differ from the other conductive parts and are preferably identical to each other (see figure 6 ).
  • the parts 11-16 terminate in a stationary contact 29 in the form of a pellet; the contact pads 29 of the parts 11, 12, 15, 16 are situated in a rear front plane PR (parallel to the bottom and to the front face of the block and perpendicular to the planes P1-P3) and those of the parts 13, 14 are located in a frontal plane before PF parallel to PR.
  • the pellets 29 of the parts 11, 12 are located in an intermediate plane P4 between P1 and P2 and those of the parts 15, 16 are located in an intermediate plane P5 between P2 and P3; the chips of the parts 13, 14 are located in the plane P4 or P5 according to the configuration chosen for the block, as will be explained later.
  • the housing 10 of the block provides a bracket 18, for example to be housed in a position switch body.
  • the housing 10 is covered at the front by a snap-on cover 30 which provides a protective and protective function of the terminal screws.
  • the cover 30 has a wall 31 forming the front face of the block while clearing access to the screws, as well as inter-terminal isolation walls 32 and latching lateral notches on the front edges of the block.
  • the housing 10 has at the rear an open face 33 which allows the introduction of the contact block and which is closed by a snap-in bottom 34.
  • the bottom 34 has a flat wall provided, inwardly of the block, with tabs 35. which maintain the rear fixed contact parts 11,12,13,14. Instead of legs, one can provide shoulders or other similar forms of maintenance.
  • the bottom 34 also includes snap tabs 36 on the housing.
  • the moving element 17 is capable of generating a positive opening of the contacts. It comprises a pusher 40 displaceable in a direction Z parallel to the planes PF, PR and biased by a return spring 41, as well as a contact holder 42 with sudden movement also movable along Z.
  • the contact carrier 42 is mounted movably in back and forth on the pusher and is biased by a return piece 43. This piece of reference translates, by means of movement reversal levers, a downward movement of the pusher moving up the contact carrier. The rising movement of the contact carrier 42 is made abrupt with the aid of two lateral springs 44 with neutral passage.
  • the mechanism described is known and is not the subject of the invention.
  • connection bridges 45,46,47,48 are arranged symmetrically and balanced on or in the contact holder 42 so as to be able to move relative thereto along Z.
  • the symmetry planes of the bridges are merged with PF and PR frontal plans.
  • the bridges 45,46 are located in the plane PR and the bridges 47,48 in the plane PF; the bridges 45,47 on the one hand, and the bridges 46,48 on the other hand, are situated in two distinct planes parallel to P1-P3, so as to be able to cooperate respectively with the parts 11,12 (bridge 45), 15.16 (bridge 46), 13.14 (bridge 47 or bridge 48 according to the arrangement adopted for parts 13, 14).
  • Each bridge is provided in its middle with an overmolded insulating part 49 which facilitates its guidance in the contact holder.
  • a compression spring 50 is provided which is in direct support on the bridges and tends to separate them from each other for ensure play clearance and good contact pressure, mainly during tilting.
  • an elastic or movable support piece 51 for example an elastic blade, capable of simulating, when the moving element 17 is actuated, the crushing movement of the bridge to which it is substituted and to follow the movement of the rear axle situated at the same level.
  • the bridges 45, 47 form, with the corresponding fixed contacts, normally open poles (NO) and the bridges 46, 48 form, with the corresponding fixed contacts, normally closed poles (NC).
  • the described block is assembled as follows.
  • the fixed contact parts are arranged in the housing 10, then the moving element is inserted from the rear into the housing and the bottom 34 is snapped onto the housing.
  • the two possibilities of configuration of the block are illustrated on the Figures 3 and 4 .
  • the fixed contact pieces 13, 14 are arranged with their contact pads in the plane P4 to form a pole NO.
  • the parts 13,14 are arranged with their contact pads in the plane P5 to form a pole NC.
  • the bridge 47 by a resilient piece of support for the spring 50.
  • the parts 13,14 of the NO version can be identical to the parts 13,14 of the NC version, so that we go from one version to the next. other simply by flipping, or they may be different.
  • the housing 10 specific to the NO-NO-NC version of the contact block may be identical to the housing specific to the NO-NC-NC version of the block or be different.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)

Description

La présente invention concerne un bloc de contacts tripolaire, notamment à rupture brusque et à ouverture positive, utilisable dans un interrupteur sensible à un mouvement de poussée, particulièrement un interrupteur de position, bouton-poussoir ou organe analogue.The present invention relates to a three-pole contact block, in particular with sudden rupture and positive opening, usable in a switch sensitive to a thrust movement, particularly a position switch, pushbutton or the like.

De tels blocs comprennent habituellement un boîtier qui loge des pièces fixes de contact terminées à une extrémité par des plages de connexion et portant à une autre extrémité un contact fixe, ainsi qu'un équipage mobile muni de plusieurs ponts de contact de manière à ménager avec les contacts fixes au moins un pôle à ouverture et un pôle à fermeture. L'équipage mobile est sollicité d'une part par un poussoir, d'autre part par un système de ressort, le tout étant agencé pour produire une ouverture positive et une ouverture et une fermeture brusques.Such blocks usually comprise a housing which houses fixed contact parts terminated at one end by connection pads and carrying at another end a fixed contact, and a moving element provided with several contact bridges so as to arrange with the fixed contacts at least one aperture pole and a closing pole. The moving element is urged on the one hand by a pusher, on the other hand by a spring system, the whole being arranged to produce a positive opening and a sudden opening and closing.

On sait mettre en oeuvre dans un interrupteur multipolaire un bloc de contacts doté d'un poussoir qui sollicite un porte-contacts à plusieurs ponts superposés, les ponts étant montés de façon réversible pour assurer une fonction "normalement ouvert" (NO) ou "normalement fermé" (NC) au pôle correspondant.It is known to implement in a multipole switch a contact block with a push rod which solicits a contact carrier with several superimposed bridges, the bridges being mounted reversibly to provide a "normally open" (NO) or "normally closed "(NC) at the corresponding pole.

Il est dans certains cas souhaitable de conférer à l'un des pôles d'un interrupteur tripolaire une fonction NO ou NC sans avoir à modifier le porte-contacts.It is in certain cases desirable to give one of the poles of a three-pole switch a NO or NC function without having to modify the contact carrier.

Le document US 6 114 639 décrit un dispositif selon le préambule de la revendication 1.The document US 6,114,639 describes a device according to the preamble of claim 1.

L'invention a pour but de permettre à un bloc de contacts multipolaire de fonctionner avec au moins un pôle commutable de l'état normalement ouvert à l'état normalement fermé ou inversement, sans modification de l'agencement du porte-contacts.The object of the invention is to enable a multipolar contact block to operate with at least one switchable pole from the normally open state to the normally closed state or vice versa, without modifying the arrangement of the contact carrier.

Selon l'invention, les plages de connexion sont disposées selon au moins trois plans de connexion distincts, et l'équipage mobile présente au moins trois ponts de contact répartis de manière à coopérer avec des contacts fixes situés dans deux plans transversaux de contact et à se déplacer dans deux plans frontaux ; deux ponts de contact qui sont situés dans le premier plan frontal coopèrent avec des pièces fixes de contact sortant sur deux plans de connexion, et le troisième pont de contact qui est situé dans le deuxième plan frontal coopère avec les pièces fixes de contact sortant sur le troisième plan de connexion. Le troisième plan de connexion est notamment situé en position médiane entre les deux premiers plans de connexion.According to the invention, the connection pads are arranged in at least three separate connection planes, and the mobile equipment has at least three bridges. contact arranged to cooperate with fixed contacts in two transverse contact planes and to move in two frontal planes; two contact bridges which are located in the first frontal plane cooperate with fixed pieces of contact coming out on two connection planes, and the third contact bridge which is situated in the second frontal plane cooperates with the fixed pieces of contact coming out on the third connection plan. The third connection plane is in particular located in the middle position between the first two connection planes.

Le bloc de contacts est de préférence tripolaire et l'équipage mobile présente alors quatre ponts de contact à disposition symétrique équilibrée, le quatrième pont de contact étant situé dans le deuxième plan frontal et ne coopérant pas avec les pièces de contact fixe.The contact block is preferably three-pole and the moving element then has four symmetrically symmetrical contact bridges, the fourth contact bridge being located in the second frontal plane and not cooperating with the fixed contact parts.

L'équipage mobile peut présenter en substitution au quatrième pont de contact une pièce d'appui élastique ou mobile située dans le deuxième plan frontal en regard du troisième pont de contact situé dans ce plan, pour se déplacer en même temps que le pont de contact situé dans le même plan transversal.The moving element may replace the fourth contact bridge with an elastic or movable support piece situated in the second frontal plane opposite the third contact bridge situated in this plane, to move together with the contact bridge. located in the same transverse plane.

Il est avantageux que les ponts de contact situés à des niveaux différents dans un même plan frontal soient sollicités par un ressort de compression unique tendant à les écarter l'un de l'autre.It is advantageous for the contact bridges situated at different levels in the same frontal plane to be urged by a single compression spring tending to separate them from one another.

Dans un mode de réalisation à montage simplifié, l'équipage mobile est monté dans le boîtier par introduction via une face arrière ouverte du boîtier et un fond est assemblé, notamment encliqueté, au boîtier pour recouvrir la face arrière. Le fond peut alors présenter des pattes ou éléments analogues de maintien qui prennent appui contre les pièces fixes de contact aboutissant au plan arrière pour contribuer à les maintenir de manière très simple. Un capot d'isolement des bornes peut être rapporté, notamment encliqueté, sur la face avant du boîtier.In a simplified assembly embodiment, the mobile assembly is mounted in the housing by introduction via an open rear face of the housing and a bottom is assembled, in particular snapped, to the housing to cover the rear face. The bottom may then have tabs or similar holding elements which bear against the fixed contact parts leading to the rear plane to help maintain them very simply. An insulation cover of the terminals can be attached, in particular snapped, on the front face of the housing.

La description va être faite ci-après d'un mode de réalisation non limitatif de l'invention, en regard des dessins annexés.

  • La figure 1 représente en perspective un bloc de contacts conforme à l'invention.
  • La figure 2 est une vue de face schématique d'une partie du bloc.
  • Les figures 3 et 4 sont des vues schématiques de côté du bloc, éléments mobiles enlevés, dans deux configurations différentes.
  • La figure 5 montre en vue de côté l'équipage mobile du bloc.
  • La figure 6 est une vue en perspective des seules pièces conductrices fixes
The description will be made hereinafter of a non-limiting embodiment of the invention, with reference to the accompanying drawings.
  • The figure 1 represents in perspective a block of contacts according to the invention.
  • The figure 2 is a schematic front view of part of the block.
  • The Figures 3 and 4 are schematic side views of the block, movable elements removed, in two different configurations.
  • The figure 5 shows in side view the mobile equipment of the block.
  • The figure 6 is a perspective view of the only fixed conductive parts

Le bloc de contacts tripolaire représenté sur les figures comprend un boîtier 10 en matière isolante qui loge six pièces conductrices 11,12,13,14,15,16 portant des contacts fixes et un équipage mobile 17 à ouverture positive et mouvements brusques d'ouverture et de fermeture, l'équipage étant guidé dans ce boîtier et doté de contacts mobiles qui coopèrent avec les contacts fixes.The three-pole contact block shown in the figures comprises a housing 10 of insulating material which houses six conductive parts 11, 12, 13, 14, 15, 16 carrying fixed contacts and a moving element 17 with positive opening and sudden opening movements. and closing, the crew being guided in this housing and provided with movable contacts that cooperate with the fixed contacts.

Le boîtier 10 est de forme quadrangulaire et présente vers l'avant trois groupes de deux bornes 21,22,23,24,25,26 réparties sur trois plans de connexion respectifs P1,P2,P3. Chaque borne 21-26 comporte une vis 27 de serrage de câble (ou une pièce de serrage élastique) coopérant avec une plage de connexion 28 de la pièce conductrice 11-16 correspondante. Les pièces conductrices 11,12 et 15,16 associées aux bornes 21,22 et 25,26 situées dans les plans de connexion extrêmes P1,P3 sont de préférence identiques entre elles ; les pièces conductrices 13,14 associées aux bornes médianes 23,24 du plan médian P2 diffèrent des autres pièces conductrices et sont de préférence identiques entre elles (voir figure 6).The housing 10 is quadrangular in shape and has three groups of two terminals 21,22,23,24,25,26 forwards distributed over three respective connection planes P1, P2, P3. Each terminal 21-26 comprises a cable clamping screw 27 (or a resilient clamping piece) cooperating with a connection pad 28 of the corresponding conductive part 11-16. The conductive parts 11,12 and 15,16 associated with the terminals 21,22 and 25,26 located in the end connection planes P1, P3 are preferably identical to each other; the conductive parts 13,14 associated with the middle terminals 23,24 of the median plane P2 differ from the other conductive parts and are preferably identical to each other (see figure 6 ).

A leur extrémité opposée à la plage de connexion 28, les pièces 11-16 se terminent par un contact fixe 29 sous forme de pastille ; les pastilles de contact 29 des pièces 11,12,15,16 sont situées dans un plan frontal arrière PR (parallèle au fond et à la face avant du bloc et perpendiculaire aux plans P1-P3) et celles des pièces 13,14 sont situées dans un plan frontal avant PF parallèle à PR. En hauteur, les pastilles 29 des pièces 11,12 sont situées dans un plan P4 intermédiaire entre P1 et P2 et celles des pièces 15,16 sont situées dans un plan P5 intermédiaire entre P2 et P3 ; les pastilles des pièces 13,14 sont situées dans le plan P4 ou P5 selon la configuration choisie pour le bloc, comme il sera expliqué plus loin.At their end opposite the connection pad 28, the parts 11-16 terminate in a stationary contact 29 in the form of a pellet; the contact pads 29 of the parts 11, 12, 15, 16 are situated in a rear front plane PR (parallel to the bottom and to the front face of the block and perpendicular to the planes P1-P3) and those of the parts 13, 14 are located in a frontal plane before PF parallel to PR. In height, the pellets 29 of the parts 11, 12 are located in an intermediate plane P4 between P1 and P2 and those of the parts 15, 16 are located in an intermediate plane P5 between P2 and P3; the chips of the parts 13, 14 are located in the plane P4 or P5 according to the configuration chosen for the block, as will be explained later.

Le boîtier 10 du bloc offre une patte de fixation 18, par exemple pour être logé dans un corps d'interrupteur de position. Le boîtier 10 est recouvert à l'avant par un capot encliquetable 30 qui assure une fonction de protection et d'imperdabilité des vis de bornes. Le capot 30 présente une paroi 31 formant la face avant du bloc tout en dégageant un accès aux vis, ainsi que des cloisons d'isolement inter-bornes 32 et des crans latéraux d'encliquetage sur les bords avant du bloc. Le boîtier 10 présente à l'arrière une face ouverte 33 qui permet l'introduction du bloc de contacts et qui est fermée par un fond encliquetable 34. Le fond 34 présente une paroi plane dotée, vers l'intérieur du bloc, de pattes 35 qui assurent un maintien des pièces arrière de contact fixe 11,12,13,14. Au lieu de pattes, on peut prévoir des épaulements d'ou autres formes analogues de maintien. Le fond 34 comprend aussi des pattes d'encliquetage 36 sur le boîtier.The housing 10 of the block provides a bracket 18, for example to be housed in a position switch body. The housing 10 is covered at the front by a snap-on cover 30 which provides a protective and protective function of the terminal screws. The cover 30 has a wall 31 forming the front face of the block while clearing access to the screws, as well as inter-terminal isolation walls 32 and latching lateral notches on the front edges of the block. The housing 10 has at the rear an open face 33 which allows the introduction of the contact block and which is closed by a snap-in bottom 34. The bottom 34 has a flat wall provided, inwardly of the block, with tabs 35. which maintain the rear fixed contact parts 11,12,13,14. Instead of legs, one can provide shoulders or other similar forms of maintenance. The bottom 34 also includes snap tabs 36 on the housing.

L'équipage mobile 17 est propre à engendrer une ouverture positive des contacts. Il comporte un poussoir 40 déplaçable selon une direction Z parallèle aux plans PF,PR et sollicité par un ressort de rappel 41, ainsi qu'un porte-contacts 42 à mouvement brusque également mobile selon Z. Le porte-contacts 42 est monté mobile en va-et-vient sur le poussoir et est sollicité par une pièce de renvoi 43. Cette pièce de renvoi traduit, au moyen de leviers d'inversion de mouvement, un mouvement descendant du poussoir en mouvement montant du porte-contacts. Le mouvement montant du porte-contacts 42 est rendu brusque à l'aide de deux ressorts latéraux 44 à passage de point mort. Le mécanisme décrit est connu et n'est pas l'objet de l'invention.The moving element 17 is capable of generating a positive opening of the contacts. It comprises a pusher 40 displaceable in a direction Z parallel to the planes PF, PR and biased by a return spring 41, as well as a contact holder 42 with sudden movement also movable along Z. The contact carrier 42 is mounted movably in back and forth on the pusher and is biased by a return piece 43. This piece of reference translates, by means of movement reversal levers, a downward movement of the pusher moving up the contact carrier. The rising movement of the contact carrier 42 is made abrupt with the aid of two lateral springs 44 with neutral passage. The mechanism described is known and is not the subject of the invention.

Quatre ponts de contact 45,46,47,48 sont disposés de manière symétrique et équilibrée sur ou dans le porte-contacts 42 de manière à pouvoir se déplacer par rapport à celui-ci selon Z. Les plans de symétrie des ponts sont confondus avec les plans frontaux PF et PR. Les ponts 45,46 sont situés dans le plan PR et les ponts 47,48 dans le plan PF ; les ponts 45,47 d'une part, et les ponts 46,48 d'autre part, sont situés dans deux plans distincts parallèles à P1-P3, de manière à pouvoir coopérer respectivement avec les pièces 11,12 (pont 45), 15,16 (pont 46), 13,14 (pont 47 ou pont 48 selon le montage adopté pour les pièces 13,14). Chaque pont est doté en son milieu d'une partie isolante surmoulée 49 qui facilite son guidage dans le porte-contacts. Entre les ponts 45,46 d'une part, et les ponts 47,48 d'autre part, on prévoit un ressort de compression 50 qui est en appui direct sur les ponts et tend à les écarter l'un de l'autre pour assurer un rattrapage de jeu et une bonne pression de contact, principalement au moment du basculement. En variante, on peut prévoir à la place de l'un des ponts avant 47,48 une pièce d'appui élastique ou mobile 51 (voir figure 4), par exemple une lame élastique, capable de simuler, quand l'équipage mobile 17 est actionné, le mouvement d'écrasement du pont auquel il est substitué et de suivre le mouvement du pont arrière situé au même niveau.Four contact bridges 45,46,47,48 are arranged symmetrically and balanced on or in the contact holder 42 so as to be able to move relative thereto along Z. The symmetry planes of the bridges are merged with PF and PR frontal plans. The bridges 45,46 are located in the plane PR and the bridges 47,48 in the plane PF; the bridges 45,47 on the one hand, and the bridges 46,48 on the other hand, are situated in two distinct planes parallel to P1-P3, so as to be able to cooperate respectively with the parts 11,12 (bridge 45), 15.16 (bridge 46), 13.14 (bridge 47 or bridge 48 according to the arrangement adopted for parts 13, 14). Each bridge is provided in its middle with an overmolded insulating part 49 which facilitates its guidance in the contact holder. Between the bridges 45,46 on the one hand, and the bridges 47,48 on the other hand, a compression spring 50 is provided which is in direct support on the bridges and tends to separate them from each other for ensure play clearance and good contact pressure, mainly during tilting. As a variant, it is possible to provide instead of one of the front bridges 47, 48 an elastic or movable support piece 51 (see FIG. figure 4 ), for example an elastic blade, capable of simulating, when the moving element 17 is actuated, the crushing movement of the bridge to which it is substituted and to follow the movement of the rear axle situated at the same level.

Les ponts 45,47 forment avec les contacts fixes correspondants des pôles normalement ouverts (NO) et les ponts 46,48 forment avec les contacts fixes correspondants des pôles normalement fermés (NC).The bridges 45, 47 form, with the corresponding fixed contacts, normally open poles (NO) and the bridges 46, 48 form, with the corresponding fixed contacts, normally closed poles (NC).

Le bloc décrit se monte de la façon suivante. Les pièces de contacts fixes sont disposées dans le boîtier 10, puis l'équipage mobile est inséré par l'arrière dans le boîtier et le fond 34 est encliqueté sur le boîtier. Les deux possibilités de configuration du bloc sont illustrées sur les figures 3 et 4. Dans la version de la figure 3, les pièces de contact fixe 13,14 sont disposées avec leurs pastilles de contact dans le plan P4 pour former un pôle NO. Dans la version de la figure 4, les pièces 13,14 sont disposées avec leurs pastilles de contact dans le plan P5 pour former un pôle NC. De plus, on a remplacé dans la version de la figure 4 le pont 47 par ue pièce élastique d'appui pour le ressort 50. Les pièces 13,14 de la version NO peuvent être identiques aux pièces 13,14 de la version NC, de sorte qu'on passe d'une version à l'autre par simple retournement, ou elles peuvent être différentes. De même, le boîtier 10 propre à la version NO-NO-NC du bloc de contacts peut être identique au boîtier propre à la version NO-NC-NC du bloc ou être différent.The described block is assembled as follows. The fixed contact parts are arranged in the housing 10, then the moving element is inserted from the rear into the housing and the bottom 34 is snapped onto the housing. The two possibilities of configuration of the block are illustrated on the Figures 3 and 4 . In the version of the figure 3 the fixed contact pieces 13, 14 are arranged with their contact pads in the plane P4 to form a pole NO. In the version of the figure 4 , the parts 13,14 are arranged with their contact pads in the plane P5 to form a pole NC. In addition, we have replaced in the version of the figure 4 the bridge 47 by a resilient piece of support for the spring 50. The parts 13,14 of the NO version can be identical to the parts 13,14 of the NC version, so that we go from one version to the next. other simply by flipping, or they may be different. Likewise, the housing 10 specific to the NO-NO-NC version of the contact block may be identical to the housing specific to the NO-NC-NC version of the block or be different.

Claims (8)

  1. Multipole contact block, in particular with sudden disconnection and with positive opening, utilisable in a switch sensitive to a pushing movement, in particular a position switch, a push button or analogous element, comprising a casing (10) for housing fixed contact parts (11-16) terminated at one end by connection lands (28) and carrying at another end a fixed contact (29) together with a movable element (17) subjected to a push button and a system of springs and provided with several contact bridges in such a way as to have at least one opening pole and one closure pole with the fixed contacts, characterized in that:
    - three groups of two connection lands (28) are laid out on three distinct connection planes (P1-P3), and the movable element (17) has at least three contact bridges (45-48) arranged in such a way as to make contact in two transversal contact planes (P4, P5) and to move in two frontal planes (PF, PR);
    - two contact bridges (45, 46) are located in a first frontal plane (PR) co-operating with fixed contact parts (11,12; 15,16) protruding on two connection planes (P1, P3);
    - the third contact bridge (47, 48) is located in the second frontal plane (PF) co-operating with the fixed contact parts (13,14) protruding on the third connection plane (P2).
  2. Contact block according to claim 1, characterized in that the contact block is three-pole and that the movable element (17) has four contact bridges (45-48) with balanced symmetrical layout, the fourth contact bridge (48) being located in the second frontal plane and not co-operating with the fixed contact parts.
  3. Contact block according to claim 1, characterized in that the movable element (17) has an elastic or mobile support part (51) substituted for a fourth contact bridge in the second frontal plane (PF), facing the third contact bridge (48) located in this plane, to be displaced at the same time as the contact bridge (45) located in the same transversal plane.
  4. Contact block according to claim 1, characterized in that the third connection plane (P2) is located in a median position between the two first connection planes (P1, P2).
  5. Contact block according to claim 1, characterized in that the contact bridges (45,46; 47,48) located at different levels in a same frontal plane are acted on by a single compression spring (50) tending to separate them from each other.
  6. Contact block according to claim 1, characterized in that the movable element (17) is mounted in the casing by introduction via an open rear face (33) of the casing and a base (34) is assembled, clipped in particular, to the casing to cover the rear face.
  7. Contact block according to claim 6, characterized in that the base (34) has lugs (35) or analogous elements which bear against the fixed contact parts (11,12,15,16) ending at the rear face to contribute to their maintenance.
  8. Contact block according to claim 1 characterized in that a cover (30) for insulating the terminals is assembled, clipped in particular, on the front face of the casing (10).
EP02075931A 2001-03-09 2002-02-22 Multipole contact block Expired - Fee Related EP1239498B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0103278A FR2821980B1 (en) 2001-03-09 2001-03-09 MULTIPOLAR CONTACT BLOCK
FR0103278 2001-03-09

Publications (2)

Publication Number Publication Date
EP1239498A1 EP1239498A1 (en) 2002-09-11
EP1239498B1 true EP1239498B1 (en) 2010-07-07

Family

ID=8860966

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02075931A Expired - Fee Related EP1239498B1 (en) 2001-03-09 2002-02-22 Multipole contact block

Country Status (6)

Country Link
US (1) US6657148B2 (en)
EP (1) EP1239498B1 (en)
CN (1) CN1237558C (en)
DE (1) DE60236904D1 (en)
ES (1) ES2345322T3 (en)
FR (1) FR2821980B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0414587D0 (en) * 2004-06-30 2004-08-04 Eja Ltd Improvements in or relating to switch contacts
ITVI20040238A1 (en) 2004-10-08 2005-01-08 Pizzato Elettrica Srl MODULAR CONTACT ELEMENT AND MULTIPLE CONTACTS SWITCH INCLUDING THIS ELEMENT
US7211758B2 (en) * 2005-07-12 2007-05-01 Defond Components Limited Circuit interrupter that produces snap-action connection and disconnection between electrical contacts
FR3075458B1 (en) * 2017-12-14 2020-09-11 Schneider Electric Ind Sas ELECTRICAL DEVICE INTENDED TO ESTABLISH OR INTERRUPT THE CURRENT IN AN ELECTRIC CIRCUIT
FR3114696B1 (en) * 2020-09-25 2022-10-14 Schneider Electric Ind Sas Stackable block for low height control unit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3336455A (en) * 1965-05-05 1967-08-15 Square D Co Push button operated switch structure
FR2050648A5 (en) * 1969-06-19 1971-04-02 Schaltbau Gmbh
US3544929A (en) * 1969-01-17 1970-12-01 Ite Imperial Corp Industrial control relay
DE2848105A1 (en) * 1978-11-06 1980-05-14 Metzenauer & Jung Gmbh SWITCH ARRANGEMENT WITH CHANGEABLE SWITCH CONTACTS TO OPEN OR OPEN
US4306123A (en) * 1979-02-21 1981-12-15 Taylor Glenn R Contact block
US4634820A (en) * 1983-11-24 1987-01-06 Omron Tateisi Electronics Co. Quick-break electrical switch with rectilinearly movable plunger actuator
US5532441A (en) * 1994-10-13 1996-07-02 Square D Company Contact block having convertible normally open or normally closed electrical contact
US6114639A (en) * 1998-06-29 2000-09-05 Honeywell International Inc. Configurable switch
US6198058B1 (en) * 1999-09-27 2001-03-06 Rockwell Technologies, Llc Switch contact mechanism

Also Published As

Publication number Publication date
CN1237558C (en) 2006-01-18
US20020125121A1 (en) 2002-09-12
ES2345322T3 (en) 2010-09-21
FR2821980A1 (en) 2002-09-13
FR2821980B1 (en) 2003-04-25
CN1374670A (en) 2002-10-16
EP1239498A1 (en) 2002-09-11
DE60236904D1 (en) 2010-08-19
US6657148B2 (en) 2003-12-02

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