EP0559507A1 - Circuit breaker with pivoting operating buttons - Google Patents

Circuit breaker with pivoting operating buttons Download PDF

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Publication number
EP0559507A1
EP0559507A1 EP93400315A EP93400315A EP0559507A1 EP 0559507 A1 EP0559507 A1 EP 0559507A1 EP 93400315 A EP93400315 A EP 93400315A EP 93400315 A EP93400315 A EP 93400315A EP 0559507 A1 EP0559507 A1 EP 0559507A1
Authority
EP
European Patent Office
Prior art keywords
button
housing
circuit breaker
face
breaker according
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
EP93400315A
Other languages
German (de)
French (fr)
Other versions
EP0559507B1 (en
Inventor
Daniel Sinthomez
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 SE
Original Assignee
Telemecanique Electrique SA
Schneider Electric SE
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Application filed by Telemecanique Electrique SA, Schneider Electric SE filed Critical Telemecanique Electrique SA
Publication of EP0559507A1 publication Critical patent/EP0559507A1/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/54—Manual reset mechanisms which may be also used for manual release actuated by tumbler
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/046—Means for indicating condition of the switching device exclusively by position of operating part, e.g. with additional labels or marks but no other movable indicators
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
    • H01H9/282—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock
    • H01H9/283—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock the part being removable

Definitions

  • the present invention relates to a circuit breaker whose housing contains a tripping and resetting mechanism capable of acting on separable contacts to open and close at least one electric current path.
  • a circuit breaker whose housing contains a tripping and resetting mechanism capable of acting on separable contacts to open and close at least one electric current path.
  • passage openings for an "on" control button and a "stop” control button accessible to an operator.
  • the control buttons are push buttons mounted in the housing so as to be able to slide alternately between two operating positions and having a front support face for the operator's finger.
  • the operator wishes to close the contacts, he presses the on push-button which remains pressed, while the stop push-button is automatically put in the extended position relative to the housing.
  • the operator presses the stop push button; it remains pressed, while the on push-button is automatically returned to the extended position.
  • the alternating position of the pushbuttons thus gives the operator a clear idea of the state of the circuit breaker.
  • the main object of the invention is to reconcile, in a circuit breaker of the type mentioned in the introduction, an ergonomic manual control separating the on and off control functions in combination with a good visualization of the running operating state and, preferably, on and off operating states of the circuit breaker.
  • the control buttons preferably placed side by side to pivot around a common axis substantially located at one side of the housing perpendicular to its front side, thus provide not only a differentiated projection, but also a difference in front height of their second end and therefore a satisfactory visual indication of state.
  • This indication is preferably corroborated by the presence of indications carried by the housing near the first end of the support face, preferably by the pins of the buttons, to be alternately released and masked by the latter, and / or opposite transparent windows made in the bearing faces.
  • Figure 1 shows in perspective a circuit breaker according to the invention.
  • Figures 2 and 3 show in elevation a front part of the circuit breaker housing illustrating the pivoting on button in the extended and respectively retracted position.
  • Figure 4 is a perspective from below of the power button.
  • Figure 5 is a partial front view of the front part of the housing, the buttons having been removed.
  • Figures 6 and 7 show laterally and in bottom view the stop button of the circuit breaker.
  • Figures 8 and 9 show in partial elevation the front face of the housing for the respective stop and on states of the circuit breaker.
  • Figures 10 and 11 show in side elevation a variant of the on button in two distinct operating states.
  • the electrical device illustrated in the figures is a circuit breaker known as a motor circuit breaker, comprising a housing 10 which contains a triggering mechanism with lock and reset, capable of acting on movable contacts separable from fixed contacts, for opening and closing several current paths established between pairs of respective terminals 11, 12.
  • a circuit breaker known as a motor circuit breaker, comprising a housing 10 which contains a triggering mechanism with lock and reset, capable of acting on movable contacts separable from fixed contacts, for opening and closing several current paths established between pairs of respective terminals 11, 12.
  • the motor circuit breaker comprises, to act manually on the mechanism, two buttons 13, 14 mounted side by side pivoting about a common axis X and passing through two respective windows 15, 16 which are formed in the front wall 17 of a nose 18 of the housing 10.
  • the buttons may not be mounted side by side.
  • the buttons take alternately and mutually reverse, a retracted operating position and an extended operating position relative to the wall 17.
  • the buttons 13 and 14 cooperate with the mechanism by means of a control part 19 (see figures 2 and 3) with which they are engaged and which pivots about an axis Y perpendicular to the plane containing the axis X.
  • the pivoting "on” button 14 will now be described with reference to FIGS. 2 to 4. It comprises a bearing face 20 for the operator's finger. This bearing face is flat, but can also be slightly concave or convex, and it has two ends 20a, 20b; it is unique, that is to say that the operator actuates the button only by pressing on this support face and in one direction only.
  • the first end 20a of the bearing face 20 has a displacement of small amplitude determined by the proximity of the axis X of a pin 21 on which the button pivots.
  • the end 20a of the bearing face has a bevel 22 whose role will appear later.
  • the button 14 has two curved pivot arms 23 capable of sliding , on the one hand, by a face 23a on the pin 21, on the other hand, by an opposite face 23b on a fixed support element 24.
  • the support element is extended towards the front face 17 of the housing by a display means 25 capable of appearing opposite a window 26 of the button when the latter is in its retracted operating position.
  • the window 26 consists of a patch of transparent material.
  • the button has a control arm 27 cooperating with the control part 19 of the mechanism.
  • the arm is provided with a housing 28 whose shape allows it to engage on a pin 29 of the part 19 and to cooperate with it to actuate, or respectively be actuated by, the part 19.
  • a notch 30 expected near the free end of the control arm 27 allows the button 14 to be elastically entered into the opening 16, but avoids its untimely exit by stopping against an edge of the window 16 or against another stop provided in the housing.
  • the control arm 27 comprises an orifice 31 for passage of a padlock in order to maintain, thanks to this, the button in the extended position.
  • the surface of the journal 21 has, at its end situated towards the front surface 17 of the housing, a display area 32.
  • This area 32 carries, for example, the indication ON for the button 14 and the indication OFF for the button 13 (see figures 1, 5 and 8, 9).
  • the range is alternately cleared and concealed by the end 20a with small clearance of the support face 20. In each pair of operating positions of the two buttons, the display ranges of these are one clear, the other obscured.
  • the end 20a of the bearing face masks the area 32, the bevel 22 being in alignment with the adjacent part of the horizontal face 18a of the nose 18 which is perpendicular to the anterior vertical face 17; it can be seen in FIG. 3 that the end 20a, helped by the shape of the bevel 22, clears the area 32.
  • the button Near its edges and opposite the bearing face 20, the button comprises abutment surfaces 33, 34 which are applied, to limit the retraction stroke of the button, against a lower edge 35 or side edges 36 of the opening 16 of the face 17.
  • buttons 13 will be assigned a notation 'when this is necessary to distinguish an element of button 13 from an element homologous to button 14.
  • each pin 21 can be broken down into two bearings 37, 38 each cooperating with one of the pivot arms 23; and that each display means 25, 25 ', for example "0" for the stop button 13 and "1" for the start button 14, is carried by a horizontal arm 39, 39' of the support element which determines a sliding surface for at least one of the arms 23.
  • the opening 16 provided for the start button 14 is a little higher than the opening 15 associated with the stop button 13, because the corresponding control arm 27, which includes the orifice 31, is higher.
  • Intermediate horizontal edges 42 are added to the lower edges 41 of the openings to guide respective cylindrical surfaces 43, 44 of the buttons.
  • the pivoting "stop" button 13 is illustrated in FIGS. 6 and 7. It will not be described further since it is similar to button 14, except for the control arm 27 which is reduced since it does not need to include the orifice 31. Streaks 45 or other anti-slip provisions can be provided on the lower part of the support face 20 of the two buttons.
  • the swivel buttons are mounted in the housing as follows.
  • the free end of the pivot arms 23 is introduced between the pin 21 and the support element 24, then the notch 30 exceeds the hard point associated with it and the control arm 27 engages by its housing 28 on the pin 29 of the control part 19.
  • To open the contacts the operator presses the stop button 13 to put it in the extended position; only the 32 'OFF range and the means 25 "0" of button 13 are then visible (Figure 8). As can be seen in FIGS.
  • the end 20b of the on button 14 is situated in the on state and in the off state of the circuit breaker at a level differentiated from the end 20b ′ of the stop button 13 , this being reflected both by a differentiated projection from the face 17 and by a difference in height h of the front projections of the lower edges of the buttons, whether the stop button is actuated in maintained mode or by pulses.
  • the passage opening 31 for the padlock is provided in a pull tab 50, more precisely in a wide part 51 of this pull pull, which is housed in the start button 14 so as to assume a position cleared ( Figure 10) and an output lockout position (Figure 11).
  • the wide part 51 of the pull tab is located in the vicinity of the end 20b with large clearance of the button.
  • the pull tab further comprises a tail 52 with an opening 53 whose upper edge cooperates with a stop 54 of the housing to stop the pull tab in the extended position.
  • the zipper cooperates with its housing 55 in the button 14 by means of suitable guide and abutment surfaces; it remains held in the retracted position by snap-in or retaining elements and is applied in the extended position against the front face 17 of the housing.
  • the invention is applicable to any circuit breaker or contactor-circuit breaker in which it is desired to reconcile the safety of manual actuation and the quality of the status display.

Abstract

The on (14) and off (13) buttons are mounted pivotably in the casing of the circuit breaker and exhibit, in the front projection, a difference in height (h) of their lower ends (20b, 20b'). Their upper ends (20a, 20a') alternately uncover and cover display elements (32, 32') provided on the anterior face (17) of the casing. <IMAGE>

Description

La présente invention concerne un disjoncteur dont le boîtier renferme un mécanisme de déclenchement et de réarmement susceptible d'agir sur des contacts séparables pour ouvrir et fermer au moins un chemin de courant électrique. Dans la face antérieure du boîtier sont prévues des ouvertures de passage pour un bouton de commande "marche" et un bouton de commande "arrêt" accessibles à un opérateur.The present invention relates to a circuit breaker whose housing contains a tripping and resetting mechanism capable of acting on separable contacts to open and close at least one electric current path. In the front face of the housing are provided passage openings for an "on" control button and a "stop" control button accessible to an operator.

Un tel disjoncteur est décrit notamment dans le document FR-2 448 216. Les boutons de commande sont des boutons-poussoirs montés dans le boîtier de manière à pouvoir coulisser de façon alternée entre deux positions opératoires et présentant une face d'appui frontale pour le doigt de l'opérateur. Quand celui-ci désire fermer les contacts, il presse le bouton-poussoir marche qui reste enfoncé, tandis que le bouton-poussoir arrêt est mis automatiquement en position sortie par rapport au boîtier. Inversement, pour ouvrir les contacts, l'opérateur presse le bouton-poussoir arrêt ; celui-ci reste enfoncé, tandis que le bouton-poussoir marche est remis automatiquement en position sortie. La position alternée des boutons-poussoirs donne ainsi à l'opérateur une idée claire de l'état du disjoncteur.Such a circuit breaker is described in particular in document FR-2 448 216. The control buttons are push buttons mounted in the housing so as to be able to slide alternately between two operating positions and having a front support face for the operator's finger. When the latter wishes to close the contacts, he presses the on push-button which remains pressed, while the stop push-button is automatically put in the extended position relative to the housing. Conversely, to open the contacts, the operator presses the stop push button; it remains pressed, while the on push-button is automatically returned to the extended position. The alternating position of the pushbuttons thus gives the operator a clear idea of the state of the circuit breaker.

Bien qu'un tel dispositif de commande manuelle soit satisfaisant, il serait souhaitable d'améliorer, d'une part, son ergonomie et d'accentuer, d'autre part, la visualisation de son état "marche" ou "arrêt".Although such a manual control device is satisfactory, it would be desirable, on the one hand, to improve its ergonomics and to accentuate, on the other hand, the display of its "on" or "off" state.

Il est connu, d'après le document FR-1 558 448, de commander un interrupteur électrique au moyen d'un bouton pivotant muni d'une fenêtre transparente ; cette fenêtre permet de visualiser des inscriptions représentatives de ses deux positions opératoires. Il est également connu de commander un disjoncteur au moyen d'un bouton de commande pivotant dit "tumbler" auquel on associe des moyens de visualisation de déclenchement. Toutefois, les boutons de commande pivotants connus ne procurent pas pleinement la sécurité d'actionnement et la clarté de visualisation souhaitables.It is known, from document FR-1 558 448, to control an electric switch by means of a pivoting button provided with a transparent window; this window allows you to view inscriptions representative of its two operating positions. It is also known to control a circuit breaker by means of a pivoting control button called a "tumbler" with which tripping display means are associated. However, the known pivoting control buttons do not fully provide the desired actuation security and clarity of display.

L'invention a pour but principal de concilier, dans un disjoncteur du type rappelé en introduction, une commande manuelle ergonomique séparant les fonctions de commande marche et arrêt en combinaison avec une bonne visualisation de l'état de fonctionnement marche et, de préférence, des états de fonctionnement de marche et arrêt, du disjoncteur.The main object of the invention is to reconcile, in a circuit breaker of the type mentioned in the introduction, an ergonomic manual control separating the on and off control functions in combination with a good visualization of the running operating state and, preferably, on and off operating states of the circuit breaker.

Elle vise aussi à faciliter le cadenassage du dispositif de commande manuelle dans sa position arrêt.It also aims to facilitate the padlocking of the manual control device in its off position.

Selon l'invention :

  • les boutons marche et arrêt du disjoncteur sont montés pivotants dans le boîtier,
  • la face d'appui de chaque bouton est unique et délimitée par une première extrémité à faible déplacement près de laquelle est situé un tourillon de pivotement et par une deuxième extrémité à fort déplacement,
  • le mécanisme est couplé à des bras pivotants des boutons pour engendrer, au moins en position marche, une différence de hauteur en projection frontale de la deuxième extrémité du bouton arrêt vis-à-vis de celle du bouton marche.
According to the invention:
  • the on and off buttons of the circuit breaker are pivotally mounted in the housing,
  • the bearing face of each button is unique and delimited by a first end with low displacement near which is a pivot pin and by a second end with high displacement,
  • the mechanism is coupled to pivoting arms of the buttons to generate, at least in the on position, a difference in height in front projection of the second end of the stop button opposite that of the start button.

Les boutons de commande, de préférence placés côte à côte pour pivoter autour d'un axe commun sensiblement situé au niveau d'une face du boîtier perpendiculaire à sa face antérieure, procurent ainsi non seulement une saillie différenciée, mais aussi une différence de hauteur frontale de leur deuxième extrémité et donc une indication visuelle d'état satisfaisante. Cette indication est, de préférence, corroborée par la présence d'indications portées par le boîtier près de la première extrémité de la face d'appui, préférentiellement par les tourillons des boutons, pour être alternativement dégagées et masquées par celle-ci, et/ou en regard de fenêtres transparentes ménagées dans les faces d'appui.The control buttons, preferably placed side by side to pivot around a common axis substantially located at one side of the housing perpendicular to its front side, thus provide not only a differentiated projection, but also a difference in front height of their second end and therefore a satisfactory visual indication of state. This indication is preferably corroborated by the presence of indications carried by the housing near the first end of the support face, preferably by the pins of the buttons, to be alternately released and masked by the latter, and / or opposite transparent windows made in the bearing faces.

A la deuxième extrémité de la face d'appui et à l'opposé de celle-ci, il est intéressant de prévoir, d'une part, une surface de butée applicable contre la face antérieure du boîtier, d'autre part, un bras d'actionnement du mécanisme et, dans ce bras, un orifice d'axe horizontal pour le passage de cadenas.At the second end of the bearing face and opposite it, it is advantageous to provide, on the one hand, a stop surface applicable against the front face of the housing, on the other hand, an arm actuating mechanism and, in this arm, a horizontal axis hole for the passage of padlocks.

Un mode de réalisation de l'invention est décrit ci-après à titre d'exemple non limitatif, en référence aux dessins annexés.An embodiment of the invention is described below by way of nonlimiting example, with reference to the accompanying drawings.

La figure 1 représente en perspective un disjoncteur conforme à l'invention.Figure 1 shows in perspective a circuit breaker according to the invention.

Les figures 2 et 3 montrent en élévation une partie antérieure du boîtier du disjoncteur illustrant le bouton marche pivotant en position sortie et respectivement rentrée.Figures 2 and 3 show in elevation a front part of the circuit breaker housing illustrating the pivoting on button in the extended and respectively retracted position.

La figure 4 est une perspective de dessous du bouton marche.Figure 4 is a perspective from below of the power button.

La figure 5 est une vue de face partielle de la partie antérieure du boîtier, les boutons ayant été enlevés.Figure 5 is a partial front view of the front part of the housing, the buttons having been removed.

Les figures 6 et 7 représentent latéralement et en vue de dessous le bouton arrêt du disjoncteur.Figures 6 and 7 show laterally and in bottom view the stop button of the circuit breaker.

Les figures 8 et 9 montrent en élévation partielle la face antérieure du boîtier pour les états respectifs arrêt et marche du disjoncteur.Figures 8 and 9 show in partial elevation the front face of the housing for the respective stop and on states of the circuit breaker.

Les figures 10 et 11 montrent en élévation latérale une variante du bouton marche dans deux états de fonctionnement distincts.Figures 10 and 11 show in side elevation a variant of the on button in two distinct operating states.

L'appareil électrique illustré sur les figures est un disjoncteur dit disjoncteur-moteur, comprenant un boîtier 10 qui renferme un mécanisme de déclenchement à serrure et de réarmement, susceptible d'agir sur des contacts mobiles séparables de contacts fixes, pour ouvrir et fermer plusieurs chemins de courant établis entre des couples de bornes respectives 11, 12.The electrical device illustrated in the figures is a circuit breaker known as a motor circuit breaker, comprising a housing 10 which contains a triggering mechanism with lock and reset, capable of acting on movable contacts separable from fixed contacts, for opening and closing several current paths established between pairs of respective terminals 11, 12.

Le disjoncteur-moteur comprend, pour agir manuellement sur le mécanisme, deux boutons 13, 14 montés côte à côte pivotants autour d'un axe commun X et traversant deux fenêtres respectives 15, 16 qui sont ménagées dans la paroi antérieure 17 d'un nez 18 du boîtier 10. En variante, les boutons pourraient ne pas être montés côte à côte. Consécutivement à une commande volontaire ou automatique, les boutons prennent de manière alternée et mutuellement inverse, une position opératoire rentrée et une position opératoire sortie par rapport à la paroi 17. Les boutons 13 et 14 coopèrent avec le mécanisme par l'intermédiaire d'une pièce de commande 19 (voir figures 2 et 3) avec laquelle ils sont en prise et qui pivote autour d'un axe Y perpendiculaire au plan contenant l'axe X.The motor circuit breaker comprises, to act manually on the mechanism, two buttons 13, 14 mounted side by side pivoting about a common axis X and passing through two respective windows 15, 16 which are formed in the front wall 17 of a nose 18 of the housing 10. Alternatively, the buttons may not be mounted side by side. Following a voluntary or automatic command, the buttons take alternately and mutually reverse, a retracted operating position and an extended operating position relative to the wall 17. The buttons 13 and 14 cooperate with the mechanism by means of a control part 19 (see figures 2 and 3) with which they are engaged and which pivots about an axis Y perpendicular to the plane containing the axis X.

Le bouton pivotant "marche" 14 va à présent être décrit en regard des figures 2 à 4. Il comprend une face d'appui 20 pour le doigt de l'opérateur. Cette face d'appui est plane, mais peut aussi être légèrement concave ou convexe, et elle présente deux extrémités 20a, 20b ; elle est unique, c'est-à-dire que l'opérateur n'actionne le bouton qu'en appuyant sur cette face d'appui et dans un seul sens.The pivoting "on" button 14 will now be described with reference to FIGS. 2 to 4. It comprises a bearing face 20 for the operator's finger. This bearing face is flat, but can also be slightly concave or convex, and it has two ends 20a, 20b; it is unique, that is to say that the operator actuates the button only by pressing on this support face and in one direction only.

La première extrémité 20a de la face d'appui 20 a un déplacement de faible amplitude déterminé par la proximité de l'axe X d'un tourillon 21 sur lequel pivote le bouton. L'extrémité 20a de la face d'appui présente un biseau 22 dont le rôle apparaîtra plus loin.The first end 20a of the bearing face 20 has a displacement of small amplitude determined by the proximity of the axis X of a pin 21 on which the button pivots. The end 20a of the bearing face has a bevel 22 whose role will appear later.

Près de l'extrémité 20a de la face d'appui, mais à l'opposé de celle-ci, c'est-à-dire vers l'intérieur du boîtier, le bouton 14 présente deux bras de pivotement incurvés 23 aptes à glisser, d'une part, par une face 23a sur le tourillon 21, d'autre part, par une face opposée 23b sur un élément fixe d'appui 24. L'élément d'appui est prolongé vers la face antérieure 17 du boîtier par un moyen de visualisation 25 susceptible d'apparaître en regard d'une fenêtre 26 du bouton lorsque celui-ci est dans sa position opératoire rentrée. La fenêtre 26 est constituée par une pastille de matériau transparent.Near the end 20a of the bearing face, but opposite to the latter, that is to say towards the inside of the housing, the button 14 has two curved pivot arms 23 capable of sliding , on the one hand, by a face 23a on the pin 21, on the other hand, by an opposite face 23b on a fixed support element 24. The support element is extended towards the front face 17 of the housing by a display means 25 capable of appearing opposite a window 26 of the button when the latter is in its retracted operating position. The window 26 consists of a patch of transparent material.

Près de l'extrémité 20b de la face d'appui et à l'opposé de celle-ci, le bouton présente un bras de commande 27 coopérant avec la pièce de commande 19 du mécanisme. A cet effet, le bras est doté d'un logement 28 dont la forme lui permet de s'engager sur un pion 29 de la pièce 19 et de coopérer avec lui pour actionner, ou respectivement être actionné par, la pièce 19. Un cran 30 prévu près de l'extrémité libre du bras de commande 27 permet de faire entrer élastiquement le bouton 14 dans l'ouverture 16, mais évite sa sortie intempestive par arrêt contre un bord de la fenêtre 16 ou contre une autre butée prévue dans le boîtier. Enfin, le bras de commande 27 comprend un orifice 31 de passage pour un cadenas afin de maintenir, grâce à celui-ci, le bouton en position sortie.Near the end 20b of the bearing face and opposite to it, the button has a control arm 27 cooperating with the control part 19 of the mechanism. For this purpose, the arm is provided with a housing 28 whose shape allows it to engage on a pin 29 of the part 19 and to cooperate with it to actuate, or respectively be actuated by, the part 19. A notch 30 expected near the free end of the control arm 27 allows the button 14 to be elastically entered into the opening 16, but avoids its untimely exit by stopping against an edge of the window 16 or against another stop provided in the housing. Finally, the control arm 27 comprises an orifice 31 for passage of a padlock in order to maintain, thanks to this, the button in the extended position.

La surface du tourillon 21 présente, à son extrémité située vers la surface antérieure 17 du boîtier, une plage de visualisation 32. Cette plage 32 porte, par exemple, l'indication ON pour le bouton 14 et l'indication OFF pour le bouton 13 (voir figures 1, 5 et 8, 9). La plage est alternativement dégagée et occultée par l'extrémité 20a à faible débattement de la face d'appui 20. Dans chaque couple de positions opératoires des deux boutons, les plages de visualisation de ceux-ci sont l'une dégagée, l'autre occultée. On voit sur la figure 2 que l'extrémité 20a de la face d'appui masque la plage 32, le biseau 22 étant dans l'alignement de la partie adjacente de la face horizontale 18a du nez 18 qui est perpendiculaire à la face verticale antérieure 17 ; on voit sur la figure 3 que l'extrémité 20a, aidée par la forme du biseau 22, dégage la plage 32.The surface of the journal 21 has, at its end situated towards the front surface 17 of the housing, a display area 32. This area 32 carries, for example, the indication ON for the button 14 and the indication OFF for the button 13 (see figures 1, 5 and 8, 9). The range is alternately cleared and concealed by the end 20a with small clearance of the support face 20. In each pair of operating positions of the two buttons, the display ranges of these are one clear, the other obscured. It can be seen in FIG. 2 that the end 20a of the bearing face masks the area 32, the bevel 22 being in alignment with the adjacent part of the horizontal face 18a of the nose 18 which is perpendicular to the anterior vertical face 17; it can be seen in FIG. 3 that the end 20a, helped by the shape of the bevel 22, clears the area 32.

Près de ses bords et à l'opposé de la face d'appui 20, le bouton comprend des surfaces de butée 33, 34 qui s'appliquent, pour limiter la course de rentrée du bouton, contre un bord inférieur 35 ou des bords latéraux 36 de l'ouverture 16 de la face 17.Near its edges and opposite the bearing face 20, the button comprises abutment surfaces 33, 34 which are applied, to limit the retraction stroke of the button, against a lower edge 35 or side edges 36 of the opening 16 of the face 17.

Sur les figures 5, 8 et 9, les références relatives au bouton 13 seront affectées d'une notation ' quand cela sera nécessaire pour distinguer un élément du bouton 13 d'un élément homologue du bouton 14.In FIGS. 5, 8 and 9, the references relating to button 13 will be assigned a notation 'when this is necessary to distinguish an element of button 13 from an element homologous to button 14.

On remarque sur la figure 5 que chaque tourillon 21 peut se décomposer en deux paliers 37, 38 coopérant chacun avec l'un des bras de pivotement 23 ; et que chaque moyen de visualisation 25, 25', par exemple "0" pour le bouton arrêt 13 et "1" pour le bouton marche 14, est porté par un bras horizontal 39, 39' de l'élément d'appui qui détermine une surface de glissement pour l'un au moins des bras 23.Note in Figure 5 that each pin 21 can be broken down into two bearings 37, 38 each cooperating with one of the pivot arms 23; and that each display means 25, 25 ', for example "0" for the stop button 13 and "1" for the start button 14, is carried by a horizontal arm 39, 39' of the support element which determines a sliding surface for at least one of the arms 23.

L'ouverture 16 prévue pour le bouton marche 14 est un peu plus haute que l'ouverture 15 associée au bouton arrêt 13, car le bras de commande 27 correspondant, qui comprend l'orifice 31, est plus haut. Des bords horizontaux 42 intermédiaires s'ajoutent aux bords inférieurs 41 des ouvertures pour guider des surfaces cylindriques respectives 43, 44 des boutons.The opening 16 provided for the start button 14 is a little higher than the opening 15 associated with the stop button 13, because the corresponding control arm 27, which includes the orifice 31, is higher. Intermediate horizontal edges 42 are added to the lower edges 41 of the openings to guide respective cylindrical surfaces 43, 44 of the buttons.

Le bouton pivotant "arrêt" 13 est illustré sur les figures 6 et 7. Il ne sera pas davantage décrit car il est similaire au bouton 14, hormis le bras de commande 27 qui est réduit car n'ayant pas besoin de comporter l'orifice 31. Des stries 45 ou autres dispositions anti-glissement peuvent être prévues sur la partie inférieure de la face d'appui 20 des deux boutons.The pivoting "stop" button 13 is illustrated in FIGS. 6 and 7. It will not be described further since it is similar to button 14, except for the control arm 27 which is reduced since it does not need to include the orifice 31. Streaks 45 or other anti-slip provisions can be provided on the lower part of the support face 20 of the two buttons.

Les boutons pivotants se montent dans le boîtier de la manière suivante. L'extrémité libre des bras de pivotement 23 est introduite entre le tourillon 21 et l'élément d'appui 24, puis le cran 30 dépasse le point dur qui lui est associé et le bras de commande 27 s'engage par son logement 28 sur le pion 29 de la pièce de commande 19. Pour fermer les contacts du disjoncteur, l'opérateur appuie sur le bouton marche 14 et le mécanisme met le bouton arrêt 13 en position sortie ; seuls la plage 32 ON et le moyen de visualisation 25 "1" du bouton 14 sont alors visibles (figure 9). Pour ouvrir les contacts, l'opérateur appuie sur le bouton arrêt 13 afin de le mettre en position sortie ; seuls la plage 32' OFF et le moyen 25 "0" du bouton 13 sont alors visibles (figure 8). Comme on le voit sur les figures 8 et 9, l'extrémité 20b du bouton marche 14 se situe à l'état marche et à l'état arrêt du disjoncteur à un niveau différencié par rapport à l'extrémité 20b' du bouton arrêt 13, ceci se traduisant à la fois par une saillie différenciée à partir de la face 17 et par une différence de hauteur h des projections frontales des bords inférieurs des boutons, que le bouton arrêt soit actionné en mode maintenu ou par impulsions.The swivel buttons are mounted in the housing as follows. The free end of the pivot arms 23 is introduced between the pin 21 and the support element 24, then the notch 30 exceeds the hard point associated with it and the control arm 27 engages by its housing 28 on the pin 29 of the control part 19. To close the contacts of the circuit breaker, the operator presses the start button 14 and the mechanism places the stop button 13 in the extended position; only the range 32 ON and the display means 25 "1" of the button 14 are then visible (FIG. 9). To open the contacts, the operator presses the stop button 13 to put it in the extended position; only the 32 'OFF range and the means 25 "0" of button 13 are then visible (Figure 8). As can be seen in FIGS. 8 and 9, the end 20b of the on button 14 is situated in the on state and in the off state of the circuit breaker at a level differentiated from the end 20b ′ of the stop button 13 , this being reflected both by a differentiated projection from the face 17 and by a difference in height h of the front projections of the lower edges of the buttons, whether the stop button is actuated in maintained mode or by pulses.

Dans la variante des figures 10 et 11, l'orifice 31 de passage pour le cadenas est prévu dans une tirette 50, plus précisément dans une partie large 51 de cette tirette, qui est logée dans le bouton marche 14 de manière à prendre une position effacée (figure 10) et une position sortie de cadenassage (figure 11). La partie large 51 de la tirette est située au voisinage de l'extrémité 20b à grand débattement du bouton. La tirette comprend, d'autre part, une queue 52 dotée d'une ouverture 53 dont le bord supérieur coopère avec une butée 54 du boîtier pour arrêter la tirette en position sortie. La tirette coopère avec son logement 55 dans le bouton 14 au moyen de surfaces de guidage et de butée convenables ; elle reste maintenue dans la position effacée par des éléments d'encliquetage ou de retenue et s'applique dans la position sortie contre la face antérieure 17 du boîtier. Lorsque le cadenas 56 est installé dans l'orifice 31, il interdit le retour de la tirette en position effacée par butée contre le bras 27.In the variant of FIGS. 10 and 11, the passage opening 31 for the padlock is provided in a pull tab 50, more precisely in a wide part 51 of this pull pull, which is housed in the start button 14 so as to assume a position cleared (Figure 10) and an output lockout position (Figure 11). The wide part 51 of the pull tab is located in the vicinity of the end 20b with large clearance of the button. The pull tab further comprises a tail 52 with an opening 53 whose upper edge cooperates with a stop 54 of the housing to stop the pull tab in the extended position. The zipper cooperates with its housing 55 in the button 14 by means of suitable guide and abutment surfaces; it remains held in the retracted position by snap-in or retaining elements and is applied in the extended position against the front face 17 of the housing. When the padlock 56 is installed in the orifice 31, it prohibits the return of the zipper in the erased position by abutment against the arm 27.

L'invention est applicable à tout disjoncteur ou contacteur-disjoncteur dans lequel on souhaite concilier la sécurité d'actionnement manuel et la qualité de la visualisation d'état.The invention is applicable to any circuit breaker or contactor-circuit breaker in which it is desired to reconcile the safety of manual actuation and the quality of the status display.

Claims (13)

Disjoncteur comprenant un boîtier qui renferme un mécanisme de déclenchement et de réarmement susceptible d'agir sur des contacts séparables pour ouvrir et fermer au moins un chemin de courant, le boîtier comportant une face antérieure munie d'ouvertures de passage pour un bouton marche et un bouton arrêt accessibles de l'extérieur du boîtier à un opérateur et coopérant avec une pièce de commande du mécanisme à l'intérieur du boîtier, chaque bouton de commande étant monté dans le boîtier de manière à pouvoir se déplacer entre deux positions opératoires et présentant une face d'appui pour le doigt de l'opérateur,
caractérisé par le fait que : - les boutons marche (14) et arrêt (13) du disjoncteur sont montés pivotants dans le boîtier (10), - la face d'appui (20) de chaque bouton est unique et délimitée par une première extrémité (20a) à faible déplacement près de laquelle est situé un tourillon (21) de pivotement et par une deuxième extrémité (20b) à fort déplacement, - le mécanisme est couplé à des bras pivotants (23) des boutons pour engendrer, au moins en position marche, une différence de hauteur (h) en protection frontale de la deuxième extrémité (20b) du bouton arrêt (13) vis-à-vis de celle du bouton marche (14). Circuit breaker comprising a housing which contains a tripping and resetting mechanism capable of acting on separable contacts to open and close at least one current path, the housing comprising a front face provided with passage openings for a start button and a stop button accessible from the outside of the housing to an operator and cooperating with a mechanism control part inside the housing, each control button being mounted in the housing so as to be able to move between two operating positions and having a support face for the operator's finger,
characterized by the fact that: - the on (14) and off (13) buttons of the circuit breaker are pivotally mounted in the housing (10), the support face (20) of each button is unique and delimited by a first end (20a) with small displacement near which is a pivot pin (21) and by a second end (20b) with high displacement, - The mechanism is coupled to pivoting arms (23) of the buttons to generate, at least in the on position, a height difference (h) in frontal protection of the second end (20b) of the stop button (13) vis-à-vis screw of that of the start button (14). Disjoncteur selon la revendication 1,
caractérisé par le fait que la première extrémité (20a) de la face d'appui (20) et le tourillon (21) sont agencés pour permettre à cette extrémité de dégager et respectivement occulter des premiers moyens de visualisation (32) associés à la face antérieure (17) du boîtier (10) dans l'une et l'autre des positions opératoires de chaque bouton.Circuit breaker according to claim 1,
characterized by the fact that the first end (20a) of the bearing face (20) and the journal (21) are arranged to allow this end to release and respectively conceal first display means (32) associated with the face front (17) of the housing (10) in one and the other of the operating positions of each button. Disjoncteur selon la revendication 2,
caractérisé par le fait que les premiers moyens de visualisation (32) sont portés par une extrémité de la surface du tourillon (21).Circuit breaker according to claim 2,
characterized in that the first display means (32) are carried by one end of the surface of the journal (21). Disjoncteur selon l'une des revendications 2 et 3,
caractérisé par le fait que la première extrémité (20a) de la face d'appui (20) du bouton présente un biseau (22).Circuit breaker according to one of claims 2 and 3,
characterized in that the first end (20a) of the bearing face (20) of the button has a bevel (22). Disjoncteur selon l'une des revendications 1 à 4,
caractérisé par le fait que le bouton présente, sur au moins un bord et à l'opposé de la face d'appui (20), une surface de butée (33, 34) applicable sur la face antérieure (17) du boîtier (10).Circuit breaker according to one of claims 1 to 4,
characterized in that the button has, on at least one edge and opposite the bearing face (20), a stop surface (33, 34) applicable on the front face (17) of the housing (10 ). Disjoncteur selon l'une des revendications 1 à 5,
caractérisé par le fait que chaque bouton pivote autour d'un axe (X) sensiblement situé au niveau d'une face (18a) du boîtier qui est perpendiculaire à sa face antérieure (17).Circuit breaker according to one of claims 1 to 5,
characterized in that each button pivots about an axis (X) substantially located at a face (18a) of the housing which is perpendicular to its front face (17). Disjoncteur selon l'une des revendications 1 à 6,
caractérisé par le fait que la forme du bouton est telle qu'il peut être librement introduit par l'avant dans l'ouverture du boîtier, le bouton présentant un cran (30) de maintien pour empêcher son extraction inopinée.Circuit breaker according to one of claims 1 to 6,
characterized by the fact that the shape of the button is such that it can be freely inserted from the front into the opening of the housing, the button having a retaining notch (30) to prevent its unexpected extraction. Disjoncteur selon l'une des revendications 1 à 7,
caractérisé par le fait que le bouton présente, à l'opposé de la deuxième extrémité (20b) de la face d'appui (20), un bras d'actionnement (27) du mécanisme.Circuit breaker according to one of claims 1 to 7,
characterized in that the button has, opposite the second end (20b) of the bearing face (20), an actuating arm (27) of the mechanism. Disjoncteur selon la revendication 8,
caractérisé par le fait que le bouton pivotant marche (14) présente près de la deuxième extrémité (20b) de la face d'appui un orifice de passage (31) d'axe horizontal pour un cadenas.Circuit breaker according to claim 8,
characterized in that the pivoting step button (14) has, near the second end (20b) of the bearing face, a passage opening (31) with a horizontal axis for a padlock. Disjoncteur selon la revendication 9,
caractérisé par le fait que l'orifice (31) de passage pour le cadenas est situé dans une partie large (51) d'une tirette (50) qui est logée mobile dans le bouton marche de manière à prendre une position effacée et une position sortie de cadenassage et qui, dans la position sortie, est applicable contre la face antérieure (17) du boîtier.Circuit breaker according to claim 9,
characterized in that the opening (31) for the padlock is located in a wide part (51) of a pull tab (50) which is movably housed in the on button so as to assume an erased position and a position padlocking outlet and which, in the extended position, is applicable against the front face (17) of the housing. Disjoncteur selon l'une des revendications 1 à 10,
caractérisé par le fait que chaque bouton présente une fenêtre de visualisation (26) et le boîtier (10) comporte des deuxièmes moyens de visualisation (25) alternativement visibles à travers les fenêtres des boutons pour la position opératoire rentrée de chacun d'eux.Circuit breaker according to one of claims 1 to 10,
characterized in that each button has a viewing window (26) and the housing (10) comprises second viewing means (25) alternately visible through the button windows for the retracted operating position of each of them. Disjoncteur selon l'une des revendications 1 à 11,
caractérisé par le fait que les deuxièmes moyens de visualisation (25) sont portés par un élément fixe (39, 40) offrant une surface de guidage au bouton lors de son pivotement.Circuit breaker according to one of claims 1 to 11,
characterized in that the second display means (25) are carried by a fixed element (39, 40) providing a guide surface for the button when it is pivoted. Disjoncteur comprenant un boîtier qui renferme un mécanisme de déclenchement et de réarmement susceptible d'agir sur des contacts séparables pour ouvrir et fermer au moins un chemin de courant, le boîtier comportant une face antérieure munie d'ouvertures de passage pour un bouton marche et un bouton arrêt accessibles de l'extérieur du boîtier à un opérateur et coopérant avec une pièce de commande du mécanisme à l'intérieur du boîtier, les boutons de commande étant montés dans le boîtier de manière à pouvoir se déplacer entre deux positions opératoires et présentant une face d'appui pour le doigt de l'opérateur,
caractérisé par le fait que : - les boutons marche (14) et arrêt (13) du disjoncteur sont montés pivotants dans le boîtier (10), - la face d'appui (20) de chaque bouton est unique et délimitée par une première extrémité (20a) à faible déplacement près de laquelle est situé un tourillon (21) de pivotement et une deuxième extrémité (20b) à fort déplacement, - la première extrémité (20a) de la face d'appui (20) et le tourillon (21) sont agencés pour permettre à cette extrémité de dégager et respectivement occulter des premiers moyens de visualisation (32) associés à la face antérieure (17) du boîtier (10) dans l'une et l'autre des positions opératoires de chaque bouton. Circuit breaker comprising a housing which contains a tripping and resetting mechanism capable of acting on separable contacts to open and close at least one current path, the housing comprising a front face provided with passage openings for a start button and a stop button accessible from outside the housing to an operator and cooperating with a mechanism control part inside the housing, the control buttons being mounted in the housing so as to be able to move between two operating positions and having a bearing face for the operator's finger,
characterized by the fact that: - the on (14) and off (13) buttons of the circuit breaker are pivotally mounted in the housing (10), the support face (20) of each button is unique and delimited by a first end (20a) with small displacement near which is located a pivot pin (21) and a second end (20b) with high displacement, - The first end (20a) of the bearing face (20) and the pin (21) are arranged to allow this end to release and respectively obscure the first display means (32) associated with the front face (17) of the housing (10) in both of the operating positions of each button.
EP93400315A 1992-03-05 1993-02-08 Circuit breaker with pivoting operating buttons Expired - Lifetime EP0559507B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9202644 1992-03-05
FR9202644A FR2688341B1 (en) 1992-03-05 1992-03-05 CIRCUIT BREAKER WITH PIVOTING CONTROL BUTTONS.
PCT/FR1993/000387 WO1994024686A1 (en) 1992-03-05 1993-04-20 Circuit breaker with pivoting control buttons

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EP0559507A1 true EP0559507A1 (en) 1993-09-08
EP0559507B1 EP0559507B1 (en) 1996-10-09

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EP93911530A Expired - Lifetime EP0656148B1 (en) 1992-03-05 1993-04-20 Circuit breaker with pivoting control buttons

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EP (2) EP0559507B1 (en)
JP (1) JP3320816B2 (en)
KR (1) KR0135406B1 (en)
CN (1) CN1034038C (en)
AU (1) AU676158B2 (en)
BR (1) BR9306584A (en)
CZ (1) CZ284369B6 (en)
DE (1) DE69305200T2 (en)
ES (1) ES2109494T3 (en)
FR (1) FR2688341B1 (en)
HK (1) HK1002942A1 (en)
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ES2109494T3 (en) 1998-01-16
EP0656148B1 (en) 1997-10-01
CZ325194A3 (en) 1995-05-17
FR2688341A1 (en) 1993-09-10
DE69305200D1 (en) 1996-11-14
AU4042293A (en) 1994-11-08
EP0656148A1 (en) 1995-06-07
AU676158B2 (en) 1997-03-06
KR930020510A (en) 1993-10-20
BR9306584A (en) 1998-12-08
JPH065195A (en) 1994-01-14
DE69305200T2 (en) 1997-02-20
RU2093914C1 (en) 1997-10-20
JP3320816B2 (en) 2002-09-03
HK1002942A1 (en) 1998-09-25
RU94046435A (en) 1996-10-27
CN1076306A (en) 1993-09-15
CZ284369B6 (en) 1998-11-11
FR2688341B1 (en) 1994-05-20
WO1994024686A1 (en) 1994-10-27
CN1034038C (en) 1997-02-12
EP0559507B1 (en) 1996-10-09
US5610375A (en) 1997-03-11
KR0135406B1 (en) 1998-06-15

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