EP1288978B1 - Electrical security apparatus provided with lockable reset and signaling lever - Google Patents

Electrical security apparatus provided with lockable reset and signaling lever Download PDF

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Publication number
EP1288978B1
EP1288978B1 EP20020360210 EP02360210A EP1288978B1 EP 1288978 B1 EP1288978 B1 EP 1288978B1 EP 20020360210 EP20020360210 EP 20020360210 EP 02360210 A EP02360210 A EP 02360210A EP 1288978 B1 EP1288978 B1 EP 1288978B1
Authority
EP
European Patent Office
Prior art keywords
lever
housing
bolt
rotary device
locking
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
EP20020360210
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German (de)
French (fr)
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EP1288978A1 (en
Inventor
Dominique Werner
Egidio Brunetti
François Cathala
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.)
Hager Electro SAS
Original Assignee
Hager Electro SAS
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Filing date
Publication date
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Publication of EP1288978A1 publication Critical patent/EP1288978A1/en
Application granted granted Critical
Publication of EP1288978B1 publication Critical patent/EP1288978B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20Interlocking, locking, or latching mechanisms
    • H01H9/28Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/286Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a removable locking part acting directly on the operating part
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/02Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/20Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20Interlocking, locking, or latching mechanisms
    • H01H9/28Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/281Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
    • H01H9/282Interlocking, 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

Definitions

  • the present invention relates to the field of electrical installations, in particular the protection of the various circuits against overloads such as short circuits and direct or indirect contacts, by means of electrical safety equipment such as circuit breakers or differential circuit breakers. , and relates to such electrical safety equipment provided with a lockable reset and signaling lever.
  • the triggering of safety electrical equipment generally occurs as a result of a malfunction, either due to excessive current consumption resulting in actuation of the thermal trip device or resulting from an in-line short circuit, which causes the actuation of the magnetic release.
  • Such a trip is also necessary to allow maintenance interventions, or others, downstream of the safety equipment, to avoid the risk of electrocution of the operator inherent in work on a live circuit.
  • a locking means in the tripped position which consists of a flexible link such as a fuse wire cooperating with respective holes of the trigger handle and the housing of the electrical equipment.
  • the links generally used are relatively fragile, so that their destruction following accidental rough handling remains possible and that the operator can be endangered.
  • the present invention aims to overcome these disadvantages by providing an electrical safety equipment with a lockable reset and signaling lever, on the one hand, to lock the reset lever in the release position and, of on the other hand, to form a means of visualizing a voluntary trigger.
  • the electrical safety equipment in particular of the type circuit breaker or differential circuit breaker having a general form of housing enclosing the electromechanical elements of triggering and resetting by means of a lock and provided with a rearming lever protruding out of the front face, is characterized in that the reset lever is provided with a locking signaling means according to the characterizing part of claim 1.
  • FIG. 1 of the appended drawings represents electrical safety equipment, in particular of the circuit-breaker or differential circuit-breaker type, which consists of electromechanical elements for triggering and resetting by means of a lock and which is provided with a reset handle. 1.
  • Such safety electrical equipment has a general form of housing enclosing the electromechanical elements and the front face is traversed by the reset lever 1, projecting from this face.
  • the reset lever 1 is provided with a lockable signaling means 2 in the tripping position of the apparatus.
  • the lockable signaling means 2 in the tripping position of the apparatus is advantageously constituted by a sliding lock 3 guided by transverse displacement in the body 1 'of the handle 1 and provided with a locking finger 3' guided in a housing 4 of a bearing 1 "of the handle 1, this locking finger 3 'cooperating in the locking position with a correspondingly shaped housing (not shown) of a bearing 5 for guiding rotation of the handle 1.
  • the locking finger 3 ' in the locking position, is projecting on the corresponding face of the bearing 1 "of the handle 1 and cooperates with the corresponding housing, not shown, of the bearing 5 of the handle 1, while in the unlocked position of the man 1te the locking finger 3 'is recessed inside said housing 4.
  • the sliding latch 3 is guided in a housing 6 of the body 1 'of the handle 1, of greater length than the latch 3 with a value corresponding at least to the maximum length of the locking finger 3 'during locking, and is held in position in this housing 6 by means of its locking finger 3' cooperating with the corresponding housing 4 of the bearing 1 "and via a flexible latching lug provided on its edge opposite that carrying the locking finger 3 'and cooperating with a longitudinal housing Corresponding provided in the corresponding wall of the housing 6.
  • Such mounting of the sliding latch 3 allows its perfect holding in position in the handle 1, while allowing its movement in the housing 6.
  • the latter is provided on its lateral edges chamfers 7 for supporting the flat end of a screwdriver between said chamfers and the corresponding edges of the housing 6 of the handle 1.
  • the housing 6 is advantageously provided on its bottom with a through bore 8 accessible in the locking position of the lock 3 and intended for the establishment of a locking link in position of said latch 3 ( Figure 2).
  • the lock 3 may, moreover, advantageously be provided on its underside with a not shown indexing bulge in the locking position, cooperating in this position with a correspondingly shaped recess 9 of the bottom of the housing 6 ( Figure 4).
  • Such a bulge makes it possible, in addition, to avoid an impromptu displacement of the lock 3, the operating clearance being compensated, in the unlocking position, by the friction of the bulge on the bottom of the housing 6.
  • the housing 6 of the lock 3 is advantageously provided at its two ends with markings 10 corresponding to the locking and unlocking positions (FIGS. 2 to 4). These markings may be closed and open padlock representations or any other symbolic representation.
  • FIGS. 5 to 7 of the accompanying drawings show an alternative embodiment of the invention in which the lockable signaling means 2 in the tripping position of the apparatus is in the form of a rotary device 11 provided with a slot 11 "rotational actuation, guided in a housing 12 of the body 1 'of the handle and provided with an eccentric hook 11' ( Figures 5 and 6) guided in the bearing 1" of said handle 1, this eccentric hook opening, in the operating position, through an opening 13 of said bearing 1 "and cooperating with a corresponding housing provided in the mounting bearing of the handle 1 in the body of the electrical equipment (not shown), said rotary device 11 being maintained in the lever via a cover 14 fixed by elastic deformation on the body 1 'of the handle and provided with an opening 15 for passage of the upper face of the rotary device 11.
  • the cover 14 for fixing and holding the rotary device 11 on the body 1 'of the handle 1 is essentially in the form of a plate provided on its lower face, on the one hand, at its ends hook-shaped mounting lugs for cooperating with means 16 of corresponding shape of the body 1 'of the handle 1 ( Figure 7) and, secondly, parallel to its longitudinal edges, a tab 17 elastically deformable intended to cooperate with a projection 18 provided on the corresponding face of the body 1 'of the handle 1.
  • the cover 14 can be mounted together with the rotary device 11 on the upper part of the body 1' of the handle 1, the final mounting position being blocked by the cooperation of the tab 17 with the projection 18.
  • the rotary device 11 is provided with a bore 19 intended to cooperate in the locking position of the lever 1 with a bore 20 passing through the bottom of the housing 12 of the body 1 'of the handle 1 to allow the passage of a locking link in position of said rotary device 11.
  • the upper face of the cover 14 is provided with two markings 21 and 22 respectively corresponding to a locking position and to an unlocking position and arranged in both respective positions in extension of the actuating slot 11 "of the rotary device 11 ( Figure 3) .
  • These two positions instantly allow an operator to know the state of the rotary device 11, namely whether it is in an unlocked position of the handle 1, as shown in Figure 5 of the accompanying drawings, or in a locking position of said handle, wherein the slot is inclined so as to to extend the marking 21.
  • Locking of the handle 1 in a release position can simply be achieved, as is clear from FIGS. 5 to 7 of the accompanying drawings, by means of a flat-head screwdriver rotating the rotary device. 11, rotation which has the effect of bringing the hook 11 'through the opening 13 in the corresponding housing provided in the bearing 5 of the body of the electrical equipment.
  • FIGS. 8 and 9 of the accompanying drawings show a second variant embodiment of the invention, in which the lockable signaling means 2 in the tripping position of the apparatus is constituted in the form of a rotary device 23 provided with a latch 23 'and guided with the latter in the body 1' of the handle 1 with retention in said body via a cover 24, the latch 23 'cooperating, in the operating position, with a longitudinal groove 25 provided on the support axis of the handle 1, integral with the body of the apparatus.
  • the lever 1 in trigger position ( Figures 8 and 9), the lever 1 is in a position such that the latch 23 'is parallel to the longitudinal groove 25 and can be introduced into the latter by a simple rotation of the rotary device 23 by means of a screwdriver or the like cooperating with an actuating slot 26 provided on the upper face of said rotary device 23.
  • the rotary device 23 may be provided with a bore 27 intended to cooperate in the locking position with a corresponding bore provided in the body 1 'of the handle 1, for the passage of a flexible blocking link.
  • the cover 24 may be provided with respective markings 28 and 29 corresponding to the locked and unlocked positions of the rotary device 23, these markings being in said position in extension of the slot 26 of said rotary device 23.
  • the latch 23 'of the device according to FIGS. 8 and 9 could also be replaced by a linear displacement latch loaded, in the retraction direction, with a spring or a resilient spring member and moved toward a groove or other opening of the fixed axis for receiving the handle 1 through a cam provided on the rotating device.
  • the part for the return in position of the lock may be in the form of an elastically deformable element bearing against an element projecting laterally to the lock and secured to the body or the bearing of the handle 1.
  • the locking means 2 in the release position can also be in the form of a bar mounted simultaneously on several devices juxtaposed on the same mounting rail, at at least one lock being provided at at least one handle to cooperate with a corresponding locking slot.
  • the locking means 2 in the release position can also be in the form of a bar mounted simultaneously on several devices juxtaposed on the same mounting rail, at at least one lock being provided at at least one handle to cooperate with a corresponding locking slot.
  • the face of the handle 1 visible in the triggering position of the apparatus is advantageously at least partially provided with a marking of a different color from that of the rest of the apparatus and the controller.
  • the different color marking may be provided on the medium 2 lockable signaling.
  • the handle 1 can be made by simultaneous molding with the bi-material injection lockable signaling means 2, the materials constituting the two elements having a chemical repulsion preventing their adhesion after molding.
  • Such an embodiment allows a very fast realization of a lockable lever, avoiding any subsequent costs related to manual or automated assembly of parts, so that the cost of such levers can be significantly lowered.
  • the invention it is possible to produce a lockable signaling lever for safety electrical equipment, on the one hand, to know immediately the trigger state or service of an apparatus and on the other hand , to see if an intervention is carried out downstream of this apparatus, thanks to the setting up or not of the locking.
  • This device is completely independent of the other elements of an apparatus and can indifferently be adapted to any type of apparatus involving a trigger mechanism and a reset handle.

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  • Breakers (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Description

La présente invention concerne le domaine des installations électriques, en particulier de la protection des différents circuits contre les surcharges telles que les courts-circuits et les contacts direct ou indirect, au moyen d'appareillages électriques de sécurité tels que des disjoncteurs ou des disjoncteurs différentiels, et a pour objet un tel appareillage électrique de sécurité muni d'une manette de réarmement et de signalisation verrouillable.The present invention relates to the field of electrical installations, in particular the protection of the various circuits against overloads such as short circuits and direct or indirect contacts, by means of electrical safety equipment such as circuit breakers or differential circuit breakers. , and relates to such electrical safety equipment provided with a lockable reset and signaling lever.

Le déclenchement d'un appareillage électrique de sécurité se produit généralement à la suite d'un défaut de fonctionnement, soit dû à une consommation excessive de courant ayant pour conséquence un actionnement du déclencheur thermique, soit ayant pour origine un court-circuit en ligne, qui provoque l'actionnement du déclencheur magnétique. Un tel déclenchement est également nécessaire pour permettre des interventions de maintenance, ou autres, en aval de l'appareillage de sécurité, afin d'éviter les risques d'électrocution de l'opérateur inhérents à un travail sur un circuit sous tension.The triggering of safety electrical equipment generally occurs as a result of a malfunction, either due to excessive current consumption resulting in actuation of the thermal trip device or resulting from an in-line short circuit, which causes the actuation of the magnetic release. Such a trip is also necessary to allow maintenance interventions, or others, downstream of the safety equipment, to avoid the risk of electrocution of the operator inherent in work on a live circuit.

Cependant, un déclenchement manuel ne peut garantir contre un ré-enclenchement accidentel par une tierce personne, de sorte qu'il a fallu recourir à la prévision de moyens complémentaires de prévention et d'empêchement contre une telle action de ré-enclenchement.However, a manual release can not guarantee against accidental re-engagement by a third person, so that it was necessary to resort to the provision of additional means of prevention and prevention against such re-engagement action.

A cet effet, on connaît, notamment un moyen de blocage en position déclenchée, qui consiste en un lien souple tel qu'un fil de fusible coopérant avec des perçages respectifs de la manette de déclenchement et du boîtier de l'appareillage électrique. Toutefois, les liens généralement utilisés sont relativement fragiles, de sorte que leur destruction suite à une manipulation brutale accidentelle reste possible et que l'opérateur peut être mis en danger.For this purpose, there is known, including a locking means in the tripped position, which consists of a flexible link such as a fuse wire cooperating with respective holes of the trigger handle and the housing of the electrical equipment. However, the links generally used are relatively fragile, so that their destruction following accidental rough handling remains possible and that the operator can be endangered.

Il a également été proposé de munir les manettes d'un marquage de couleur sur leur face visible en position de déclenchement. Ainsi, la position déclenchée de l'appareillage peut instantanément être remarquée par un tiers. Cependant, un tel marquage ne peut pas non plus empêcher un réarmement accidentel par une personne ignorant la cause réelle du déclenchement.It has also been proposed to provide the joysticks with a color marking on their visible face in the release position. Thus, the triggered position of the apparatus can instantly be noticed by a third party. However, such marking can not prevent inadvertent resetting by a person unaware of the actual cause of the trip.

Le document "DE 9305779 U" décrit un appareillage électrique de sécurité selon le préambule de la revendication indépendante 1.The document "DE 9305779 U" describes an electrical safety apparatus according to the preamble of the independent claim 1.

La présente invention a pour but de pallier ces inconvénients en proposant un appareillage électrique de sécurité muni d'une manette de réarmement et de signalisation verrouillable permettant, d'une part, de bloquer la manette de réarmement dans la position de déclenchement et, d'autre part, de former un moyen de visualisation d'un déclenchement volontaire.The present invention aims to overcome these disadvantages by providing an electrical safety equipment with a lockable reset and signaling lever, on the one hand, to lock the reset lever in the release position and, of on the other hand, to form a means of visualizing a voluntary trigger.

A cet effet, l'appareillage électrique de sécurité, en particulier du type disjoncteur ou disjoncteur différentiel présentant une forme générale de boîtier renfermant les éléments électromécaniques de déclenchement et de réarmement au moyen d'une serrure et pourvu d'une manette de réarmement en saillie hors de la face avant, est caractérisé en ce que la manette de réarmement est pourvue d'un moyen de signalisation verrouillable selon la partie caractérisante de la revendication 1.For this purpose, the electrical safety equipment, in particular of the type circuit breaker or differential circuit breaker having a general form of housing enclosing the electromechanical elements of triggering and resetting by means of a lock and provided with a rearming lever protruding out of the front face, is characterized in that the reset lever is provided with a locking signaling means according to the characterizing part of claim 1.

L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à des modes de réalisation préférés, donnés à titre d'exemples non limitatifs, et expliqués avec référence aux dessins schématiques annexés, dans lesquels :

  • la figure 1 est une vue en perspective d'un appareillage électrique de sécurité muni d'une manette de réarmement pourvue d'un moyen de signalisation verrouillable conforme à l'invention ;
  • les figures 2 et 3 sont des vues en perspective, à plus grande échelle, d'une manette pourvu du moyen conforme à l'invention, respectivement en position de verrouillage et en position non verrouillée ;
  • la figure 4 est une vue en perspective éclatée, à plus grande échelle, de la manette selon les figures 2 et 3 ;
  • la figure 5 est une vue en perspective, à plus grande échelle, d'une manette pourvue d'une variante de réalisation du moyen de signalisation verrouillable conforme à l'invention ;
  • la figure 6 une vue en perspective par le dessous du moyen de verrouillage suivant la figure 5 ;
  • la figure 7 est une vue en perspective de la manette de réarmement seule ;
  • la figure 8 est une vue en perspective, à plus grande échelle, d'une manette pourvue d'une autre variante de réalisation du moyen de signalisation verrouillable conforme à l'invention, en position de verrouillage, et
  • la figure 9 est une vue analogue à celle de la figure 8, en position de déverrouillage de la manette.
The invention will be better understood, thanks to the following description, which refers to preferred embodiments, given by way of non-limiting examples, and explained with reference to the appended diagrammatic drawings, in which:
  • Figure 1 is a perspective view of an electrical safety equipment provided with a reset lever provided with a lockable signaling means according to the invention;
  • Figures 2 and 3 are perspective views, on a larger scale, of a handle provided with the means according to the invention, respectively in the locked position and unlocked position;
  • Figure 4 is an exploded perspective view, on a larger scale, of the handle according to Figures 2 and 3;
  • Figure 5 is a perspective view, on a larger scale, of a joystick provided with an alternative embodiment of the lockable signaling means according to the invention;
  • Figure 6 is a perspective view from below of the locking means according to Figure 5;
  • Figure 7 is a perspective view of the reset handle alone;
  • FIG. 8 is a perspective view, on a larger scale, of a joystick provided with another variant embodiment of the locking signaling means according to the invention, in the locked position, and
  • Figure 9 is a view similar to that of Figure 8, in the unlocked position of the joystick.

La figure 1 des dessins annexés représente un appareillage électrique de sécurité, en particulier du type disjoncteur ou disjoncteur différentiel, qui est constitué par des éléments électromécaniques de déclenchement et de réarmement au moyen d'une serrure et qui est pourvu d'une manette de réarmement 1. Un tel appareillage électrique de sécurité présente une forme générale de boîtier renfermant les éléments électromécaniques et dont la face avant est traversée par la manette de réarmement 1, en saillie par rapport à cette face.FIG. 1 of the appended drawings represents electrical safety equipment, in particular of the circuit-breaker or differential circuit-breaker type, which consists of electromechanical elements for triggering and resetting by means of a lock and which is provided with a reset handle. 1. Such safety electrical equipment has a general form of housing enclosing the electromechanical elements and the front face is traversed by the reset lever 1, projecting from this face.

Conformément à l'invention, la manette de réarmement 1 est pourvue d'un moyen 2 de signalisation verrouillable en position de déclenchement de l'appareillage.According to the invention, the reset lever 1 is provided with a lockable signaling means 2 in the tripping position of the apparatus.

Selon un premier mode de réalisation de l'invention, et comme le montrent plus particulièrement les figures 1 à 4 des dessins annexés, le moyen 2 de signalisation verrouillable en position de déclenchement de l'appareillage est avantageusement constitué par un verrou coulissant 3 guidé en déplacement transversal dans le corps 1' de la manette 1 et pourvu d'un doigt de verrouillage 3' guidé dans un logement 4 d'un palier 1" de la manette 1, ce doigt de verrouillage 3' coopérant en position de verrouillage avec un logement de forme correspondante (non représenté) d'un palier 5 de guidage en rotation de la manette 1. Ainsi, comme le montrent plus particulièrement les figures 2 et 3 des dessins annexés, dans la position de verrouillage, le doigt de verrouillage 3' est en saillie sur la face correspondante du palier 1" de la manette 1 et coopère avec le logement correspondant, non représenté, du palier 5 de la manette 1, alors que dans la position non verrouillée de la manette 1 le doigt de verrouillage 3' est en retrait à l'intérieur dudit logement 4.According to a first embodiment of the invention, and as shown more particularly in FIGS. 1 to 4 of the accompanying drawings, the lockable signaling means 2 in the tripping position of the apparatus is advantageously constituted by a sliding lock 3 guided by transverse displacement in the body 1 'of the handle 1 and provided with a locking finger 3' guided in a housing 4 of a bearing 1 "of the handle 1, this locking finger 3 'cooperating in the locking position with a correspondingly shaped housing (not shown) of a bearing 5 for guiding rotation of the handle 1. Thus, as shown more particularly in Figures 2 and 3 of the accompanying drawings, in the locking position, the locking finger 3 ' is projecting on the corresponding face of the bearing 1 "of the handle 1 and cooperates with the corresponding housing, not shown, of the bearing 5 of the handle 1, while in the unlocked position of the man 1te the locking finger 3 'is recessed inside said housing 4.

Comme le montre plus particulièrement la figure 4 des dessins annexés, le verrou coulissant 3 est guidé dans un logement 6 du corps 1' de la manette 1, de longueur supérieure à celle du verrou 3 d'une valeur correspondant au moins à la longueur maximale de sortie du doigt de verrouillage 3' lors du verrouillage, et est maintenu en position dans ce logement 6 par l'intermédiaire de son doigt de verrouillage 3' coopérant avec le logement 4 correspondant du palier 1" et par l'intermédiaire d'une patte d'encliquetage flexible prévue sur son bord opposé à celui portant le doigt de verrouillage 3' et coopérant avec un logement longitudinal correspondant prévu dans la paroi correspondante du logement 6. Un tel montage du verrou coulissant 3 permet son maintien parfait en position dans la manette 1, tout en autorisant son déplacement dans le logement 6.As shown more particularly in Figure 4 of the accompanying drawings, the sliding latch 3 is guided in a housing 6 of the body 1 'of the handle 1, of greater length than the latch 3 with a value corresponding at least to the maximum length of the locking finger 3 'during locking, and is held in position in this housing 6 by means of its locking finger 3' cooperating with the corresponding housing 4 of the bearing 1 "and via a flexible latching lug provided on its edge opposite that carrying the locking finger 3 'and cooperating with a longitudinal housing Corresponding provided in the corresponding wall of the housing 6. Such mounting of the sliding latch 3 allows its perfect holding in position in the handle 1, while allowing its movement in the housing 6.

Pour favoriser la manoeuvre du verrou coulissant 3, ce dernier est pourvu sur ses bords latéraux de chanfreins 7 permettant l'appui du bout plat d'un tournevis entre lesdits chanfreins et les bords correspondants du logement 6 de la manette 1. En outre, le logement 6 est avantageusement pourvu sur son fond d'un perçage traversant 8 accessible en position de verrouillage du verrou 3 et destiné à la mise en place d'un lien de blocage en position dudit verrou 3 (figure 2). Le verrou 3 peut, par ailleurs, être avantageusement muni sur sa face inférieure d'un renflement non représenté d'indexation en position de verrouillage, coopérant dans cette position avec un évidemment de forme correspondante 9 du fond du logement 6 (figure 4). Un tel renflement permet, en outre, d'éviter un déplacement impromptu du verrou 3, le jeu de fonctionnement étant compensé, en position de déverrouillage, par le frottement du renflement sur le fond du logement 6.To facilitate the operation of the sliding latch 3, the latter is provided on its lateral edges chamfers 7 for supporting the flat end of a screwdriver between said chamfers and the corresponding edges of the housing 6 of the handle 1. In addition, the housing 6 is advantageously provided on its bottom with a through bore 8 accessible in the locking position of the lock 3 and intended for the establishment of a locking link in position of said latch 3 (Figure 2). The lock 3 may, moreover, advantageously be provided on its underside with a not shown indexing bulge in the locking position, cooperating in this position with a correspondingly shaped recess 9 of the bottom of the housing 6 (Figure 4). Such a bulge makes it possible, in addition, to avoid an impromptu displacement of the lock 3, the operating clearance being compensated, in the unlocking position, by the friction of the bulge on the bottom of the housing 6.

Selon une autre caractéristique de l'invention, le logement 6 du verrou 3 est avantageusement muni à ses deux extrémités de marquages 10 correspondant aux positions de verrouillage et de déverrouillage (figures 2 à 4). Ces marquages peuvent être des représentations de cadenas fermé et ouvert ou tout autre représentation symbolique.According to another characteristic of the invention, the housing 6 of the lock 3 is advantageously provided at its two ends with markings 10 corresponding to the locking and unlocking positions (FIGS. 2 to 4). These markings may be closed and open padlock representations or any other symbolic representation.

Les figures 5 à 7 des dessins annexés représentent une variante de réalisation de l'invention dans laquelle le moyen 2 de signalisation verrouillable en position de déclenchement de l'appareillage se présente sous forme d'un dispositif rotatif 11, pourvu d'une fente 11" d'actionnement en rotation, guidé dans un logement 12 du corps 1' de la manette et pourvu d'un crochet excentré 11' (figures 5 et 6) guidé dans le palier 1" de ladite manette 1, ce crochet excentré débouchant, en position de service, à travers une ouverture 13 dudit palier 1" et coopérant avec un logement correspondant prévu dans le palier de montage de la manette 1 dans le corps de l'appareillage électrique (non représenté), cedit dispositif rotatif 11 étant maintenu dans la manette par l'intermédiaire d'un capot 14 fixé par déformation élastique sur le corps 1' de la manette et pourvu d'une ouverture 15 de passage de la face supérieure du dispositif rotatif 11.FIGS. 5 to 7 of the accompanying drawings show an alternative embodiment of the invention in which the lockable signaling means 2 in the tripping position of the apparatus is in the form of a rotary device 11 provided with a slot 11 "rotational actuation, guided in a housing 12 of the body 1 'of the handle and provided with an eccentric hook 11' (Figures 5 and 6) guided in the bearing 1" of said handle 1, this eccentric hook opening, in the operating position, through an opening 13 of said bearing 1 "and cooperating with a corresponding housing provided in the mounting bearing of the handle 1 in the body of the electrical equipment (not shown), said rotary device 11 being maintained in the lever via a cover 14 fixed by elastic deformation on the body 1 'of the handle and provided with an opening 15 for passage of the upper face of the rotary device 11.

Le capot 14 de fixation et de maintien du dispositif rotatif 11 sur le corps 1' de la manette 1 (figure 6) se présente essentiellement sous forme d'une plaque munie à sa face inférieure, d'une part, à ses extrémités de pattes de montage en forme de crochets destinées à coopérer avec des moyens 16 de forme correspondante du corps 1' de la manette 1 (figure 7) et, d'autre part, parallèlement à ses bords longitudinaux, d'une patte 17 élastiquement déformable destinée à coopérer avec une saillie 18 prévue sur la face correspondante du corps 1' de la manette 1. Ainsi, le capot 14 peut être monté, ensemble avec le dispositif rotatif 11 sur la partie supérieure du corps 1' de la manette 1, la position de montage définitive étant bloquée par la coopération de la patte 17 avec la saillie 18.The cover 14 for fixing and holding the rotary device 11 on the body 1 'of the handle 1 (FIG. 6) is essentially in the form of a plate provided on its lower face, on the one hand, at its ends hook-shaped mounting lugs for cooperating with means 16 of corresponding shape of the body 1 'of the handle 1 (Figure 7) and, secondly, parallel to its longitudinal edges, a tab 17 elastically deformable intended to cooperate with a projection 18 provided on the corresponding face of the body 1 'of the handle 1. Thus, the cover 14 can be mounted together with the rotary device 11 on the upper part of the body 1' of the handle 1, the final mounting position being blocked by the cooperation of the tab 17 with the projection 18.

Selon une caractéristique de l'invention, le dispositif rotatif 11 est pourvu d'un perçage 19 destiné à coopérer en position de verrouillage de la manette 1 avec un perçage 20 traversant le fond du logement 12 du corps 1' de la manette 1 pour permettre le passage d'un lien de blocage en position dudit dispositif rotatif 11. En outre, la face supérieure du capot 14 est pourvue de deux marquages 21 et 22 correspondant respectivement à une position de verrouillage et à une position de déverrouillage et disposée dans les deux positions respectives en prolongement de la fente d'actionnement 11" du dispositif rotatif 11 (figure 3). Ces deux positions permettent instantanément à un opérateur de connaître l'état du dispositif rotatif 11, à savoir s'il est dans une position de déverrouillage de la manette 1, comme représenté dans la figure 5 des dessins annexés, ou dans une position de verrouillage de ladite manette, dans laquelle la fente est inclinée de manière à se présenter en prolongement du marquage 21.According to a characteristic of the invention, the rotary device 11 is provided with a bore 19 intended to cooperate in the locking position of the lever 1 with a bore 20 passing through the bottom of the housing 12 of the body 1 'of the handle 1 to allow the passage of a locking link in position of said rotary device 11. In addition, the upper face of the cover 14 is provided with two markings 21 and 22 respectively corresponding to a locking position and to an unlocking position and arranged in both respective positions in extension of the actuating slot 11 "of the rotary device 11 (Figure 3) .These two positions instantly allow an operator to know the state of the rotary device 11, namely whether it is in an unlocked position of the handle 1, as shown in Figure 5 of the accompanying drawings, or in a locking position of said handle, wherein the slot is inclined so as to to extend the marking 21.

Un verrouillage de la manette 1 dans une position de déclenchement peut simplement être réalisé, comme il apparaît clairement au vue des figures 5 à 7 des dessins annexés, en effectuant par l'intermédiaire d'un tournevis à bout plat, une rotation du dispositif rotatif 11, rotation qui a pour effet d'amener le crochet 11' à travers l'ouverture 13 dans le logement correspondant prévu dans le palier 5 du corps de l'appareillage électrique.Locking of the handle 1 in a release position can simply be achieved, as is clear from FIGS. 5 to 7 of the accompanying drawings, by means of a flat-head screwdriver rotating the rotary device. 11, rotation which has the effect of bringing the hook 11 'through the opening 13 in the corresponding housing provided in the bearing 5 of the body of the electrical equipment.

Les figures 8 et 9 des dessins annexés représentent une deuxième variante de réalisation de l'invention, dans laquelle le moyen 2 de signalisation verrouillable en position de déclenchement de l'appareillage est constitué sous forme d'un dispositif rotatif 23 pourvu d'un verrou 23' et guidé avec ce dernier dans le corps 1' de la manette 1 avec maintien dans ledit corps par l'intermédiaire d'un capot 24, le verrou 23' coopérant, en position de service, avec une rainure longitudinale 25 prévue sur l'axe de support de la manette 1, solidaire du corps de l'appareillage. Ainsi, en position de déclenchement (figures 8 et 9), la manette 1 se trouve dans une position telle que le verrou 23' est parallèle à la rainure longitudinale 25 et peut être introduit dans cette dernière par une simple rotation du dispositif rotatif 23 au moyen d'un tournevis ou analogue coopérant avec une fente d'actionnement 26 prévue à la face supérieure dudit dispositif rotatif 23.FIGS. 8 and 9 of the accompanying drawings show a second variant embodiment of the invention, in which the lockable signaling means 2 in the tripping position of the apparatus is constituted in the form of a rotary device 23 provided with a latch 23 'and guided with the latter in the body 1' of the handle 1 with retention in said body via a cover 24, the latch 23 'cooperating, in the operating position, with a longitudinal groove 25 provided on the support axis of the handle 1, integral with the body of the apparatus. So, in trigger position (Figures 8 and 9), the lever 1 is in a position such that the latch 23 'is parallel to the longitudinal groove 25 and can be introduced into the latter by a simple rotation of the rotary device 23 by means of a screwdriver or the like cooperating with an actuating slot 26 provided on the upper face of said rotary device 23.

A l'instar du mode de réalisation suivant les figures 5 à 7, le dispositif rotatif 23 peut être pourvu d'un perçage 27 destiné à coopérer en position de verrouillage avec un perçage correspondant prévu dans le corps 1' de la manette 1, pour le passage d'un lien flexible de blocage. De même, le capot 24 peut être pourvu de marquages respectifs 28 et 29 correspondant aux positions verrouillée et déverrouillée du dispositif rotatif 23, ces marquages étant dans lesdites position en prolongement de la fente 26 dudit dispositif rotatif 23.Like the embodiment according to FIGS. 5 to 7, the rotary device 23 may be provided with a bore 27 intended to cooperate in the locking position with a corresponding bore provided in the body 1 'of the handle 1, for the passage of a flexible blocking link. Similarly, the cover 24 may be provided with respective markings 28 and 29 corresponding to the locked and unlocked positions of the rotary device 23, these markings being in said position in extension of the slot 26 of said rotary device 23.

Selon une variante de réalisation de l'invention non représentée aux dessins annexés, le verrou 23' du dispositif selon les figures 8 et 9 pourrait également être remplacé par un verrou à déplacement linéaire chargé, dans le sens d'une rétraction, par un ressort ou un élément à élasticité de ressort et déplacé en direction d'une rainure ou autre ouverture de l'axe fixe de réception de la manette 1 par l'intermédiaire d'une came prévue sur le dispositif rotatif. Dans un tel mode de réalisation, la partie servant au rappel en position du verrou peut se présenter sous forme d'un élément élastiquement déformable s'appuyant contre un élément en saillie latéralement au verrou et solidaire du corps ou du palier de la manette 1.According to an alternative embodiment of the invention not shown in the accompanying drawings, the latch 23 'of the device according to FIGS. 8 and 9 could also be replaced by a linear displacement latch loaded, in the retraction direction, with a spring or a resilient spring member and moved toward a groove or other opening of the fixed axis for receiving the handle 1 through a cam provided on the rotating device. In such an embodiment, the part for the return in position of the lock may be in the form of an elastically deformable element bearing against an element projecting laterally to the lock and secured to the body or the bearing of the handle 1.

Conformément à une autre caractéristique de l'invention, non représentée aux dessins annexés, le moyen 2 de signalisation verrouillable en position de déclenchement peut également se présenter sous forme d'une barrette montée simultanément sur plusieurs appareillages juxtaposés sur un même rail de montage, au moins un verrou étant prévu au niveau d'au moins une manette pour coopérer avec un logement correspondant de verrouillage. Ainsi, il est possible d'accoupler plusieurs manettes de produit dit multipolaire et de les verrouiller simultanément, l'ensemble des appareillages étant alors considéré comme un appareillage unique.According to another characteristic of the invention, not shown in the accompanying drawings, the locking means 2 in the release position can also be in the form of a bar mounted simultaneously on several devices juxtaposed on the same mounting rail, at at least one lock being provided at at least one handle to cooperate with a corresponding locking slot. Thus, it is possible to couple several so-called multipole product handles and lock them simultaneously, all devices being considered as a single device.

Selon une autre caractéristique de l'invention, la face de la manette 1 visible en position de déclenchement de l'appareillage est avantageusement au moins partiellement pourvue d'un marquage d'une couleur différente de celle du reste de l'appareillage et de la manette. De préférence, le marquage de couleur différente peut être prévu sur le moyen 2 de signalisation verrouillable. Ainsi, un opérateur détecte instantanément un appareillage en position déclenchée et peut, le cas échéant, vérifier si cette appareillage a été verrouillé dans cette position, ce qui correspond à une intervention d'un opérateur sur le ou les circuits en aval ou si la position déclenchée correspond à une anomalie de fonctionnement.According to another characteristic of the invention, the face of the handle 1 visible in the triggering position of the apparatus is advantageously at least partially provided with a marking of a different color from that of the rest of the apparatus and the controller. Preferably, the different color marking may be provided on the medium 2 lockable signaling. Thus, an operator instantaneously detects an apparatus in the tripped position and can, if necessary, check whether this apparatus has been locked in this position, which corresponds to an intervention by an operator on the downstream circuit (s) or if the position triggered is a malfunction.

Enfin, selon une autre caractéristique de l'invention, la manette 1 peut être réalisée par moulage simultané avec le moyen de signalisation verrouillable 2 par injection bi-matière, les matériaux constituant les deux éléments présentant une répulsion chimique empêchant leur adhérence après moulage. Un tel mode de réalisation permet une réalisation très rapide d'une manette verrouillable, évitant tous frais ultérieurs liés à des interventions manuelles ou automatisées de montage de pièces, de sorte que le prix de revient de telles manettes peut être sensiblement abaissé.Finally, according to another characteristic of the invention, the handle 1 can be made by simultaneous molding with the bi-material injection lockable signaling means 2, the materials constituting the two elements having a chemical repulsion preventing their adhesion after molding. Such an embodiment allows a very fast realization of a lockable lever, avoiding any subsequent costs related to manual or automated assembly of parts, so that the cost of such levers can be significantly lowered.

Grâce à l'invention, il est possible de réaliser une manette de signalisation verrouillable pour des appareillages électriques de sécurité permettant, d'une part, de connaître immédiatement l'état de déclenchement ou de service d'un appareillage et, d'autre part, de constater si une intervention est réalisée en aval de cet appareillage, grâce à la mise en place ou non du verrouillage.Thanks to the invention, it is possible to produce a lockable signaling lever for safety electrical equipment, on the one hand, to know immediately the trigger state or service of an apparatus and on the other hand , to see if an intervention is carried out downstream of this apparatus, thanks to the setting up or not of the locking.

Ce dispositif est totalement indépendant des autres éléments d'un appareillage et peut indifféremment être adapté à tout type d'appareillage faisant intervenir un mécanisme à déclenchement et une manette de réarmement.This device is completely independent of the other elements of an apparatus and can indifferently be adapted to any type of apparatus involving a trigger mechanism and a reset handle.

Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits et représentés aux dessins annexés. Des modifications restent possibles, notamment du point de vue de la constitution des différents éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to the embodiments described and shown in the accompanying drawings. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of the invention.

Claims (17)

  1. Electrical security apparatus, particularly of the circuit breaker type or earth leakage circuit breaker type, comprising an electromechanical trip and reset elements by means of a lock and provided with a reset lever (1), this apparatus having a general form of a casing enclosing the electromechanical elements and its front face being crossed by the reset lever (1), characterised in that the reset lever (1) is provided with a signalling means which can be locked in a trip position of the apparatus which is constituted by a slide bolt (3) guided in transverse displacement in the body (1') of the lever (1) and provided with a locking finger (3') guided in a housing (4) of a bearing (1") of the lever (1), this locking finger (3') cooperating in the locked position with a housing of the corresponding form of a guide bearing (5) in rotation of the lever (1).
  2. Apparatus according to claim 1, characterised in that the slide bolt (3) is guided in a housing (6) of the body (1') of the lever (1) which has a greater length than that of the bolt (3) of a value corresponding at least to the maximum exit length of the locking finger (3') at the time of locking, and is maintained in position in this housing (5) by means of its locking finger (3') cooperating with the corresponding housing (4) of the bearing (1") and by means of a flexible snap lug provided on its edge opposite that carrying the locking finger (3') and cooperating with a corresponding longitudinal housing provided in the corresponding wall of the housing (6).
  3. Apparatus according to claim 2, characterised in that the slide bolt (3) is provided on its lateral edges with chamfers (7) allowing the resting of the flat end of a screwdriver between said chamfers and the corresponding edges of the housing (6) of the lever (1).
  4. Apparatus according to claim 2, characterised in that the housing (6) is provided on its bottom with a cross bore (8) which is accessible in the locked position of the bolt (3) and intended for the putting in place of a link for locking in position of said bolt (3).
  5. Apparatus according to claim 2, characterised in that the bolt (3) is provided on its lower face with an indexing boss in the locked position, cooperating in this position with one which is clearly of the corresponding form (9) of the bottom of the housing (6).
  6. Apparatus according to claim 2, characterised in that the housing (6) of the bolt (3) is equipped at its two ends with markings (10) corresponding to the locked and unlocked positions.
  7. Apparatus according to claim 1, characterised in that the slide bolt (3) is replaced by a rotary device (11) provided with a rotation actuating slot (11 "), guided in a housing (12) of the body (1') of the lever and provided with an eccentric hook (11') guided in the bearing (1 ") of said lever (1), this eccentric hook running in the position of use across an opening (13) of said bearing (1 ") and cooperating with a corresponding housing provided in the assembly bearing of the lever (1) in the body of the electrical apparatus, said rotary device (11) being maintained in the lever by means of a cover (14) fixed by elastic deformation on the body (1') of the lever and provided with an opening (15) for passage of the upper face of the rotary device (11).
  8. Apparatus according to claim 7, characterised in that the cover (14) for fixing and maintaining the rotary device (11) on the body (1') of the lever (1) is essentially in the form of a plate provided on its lower face, on the one hand at its ends with assembly lugs in the form of hooks intended to cooperate with means (16) of a corresponding form of the body (1') of the lever (1), and on the other hand parallel to its longitudinal edges, with a lug (17) which is elastically deformable and is intended to cooperate with a projection (18) provided on the corresponding face of the body (1') of the lever (1).
  9. Apparatus according to claim 1, characterised in that the slide bolt (3) is replaced by a rotary device (23) provided with a bolt (23') and guided with the latter in the body (1') of the lever (1) with maintaining in said body by means of a cover (24), the bolt (23') cooperating in the position of use with a longitudinal groove (25) provided on the support axis of the lever (1) which is formed integrally with the body of the apparatus.
  10. Apparatus according to claim 9, characterised in that the bolt (23') is replaced by a linear displacement bolt which is loaded in the direction of retraction by a spring or an element with spring elasticity and displaced in the direction of a groove or another opening of the fixed axis for receiving the lever (1) by means of a cam provided on the rotary device.
  11. Apparatus according to claim 10, characterised in that the part serving for returning to position of the bolt is in the form of an elastically deformable element resting against an element which projects laterally with respect to the bolt and is formed integrally with the body or the bearing of the lever 1.
  12. Apparatus according to one of the claims 7 to 9, characterised in that the rotary device (11 or 23) is provided with a bore (19 or 27) which is intended to cooperate in the locked position of the lever (1) with a bore crossing the bottom of the housing of the body (1') of the lever (1) in order to allow the passage of a link for locking in position of said rotary device (11 or 23).
  13. Apparatus according to any one of the claims 7 to 9, characterised in that the upper face of the cover (14, 24) is provided with two markings (21 and 22, 28 and 29) corresponding respectively to a locked position and an unlocked position and arranged in the two respective positions in extension of the actuating slot (11", 26) of the rotary device (11, 23).
  14. Apparatus according to any one of the claims 1 to 7, characterised in that the means of signalling (2) which can be locked in the trip position are in the form of a bar mounted simultaneously on a plurality of juxtaposed apparatuses on the same assembly rail, at least one bolt being provided at the level of at least one lever in order to cooperate with a corresponding locking housing.
  15. Apparatus according to any one of the claims 1, 2, 7 to 10 and 14, characterised in that the face of the lever (1) which is visible in the trip position of the apparatus is at least partially provided with a marking in a different colour from that of the rest of the apparatus and the lever.
  16. Apparatus according to any one of the claims 1 and 15, characterised in that the marking in a different colour is provided on the lockable signalling means (2).
  17. Apparatus according to any one of the claims 1 to 16, characterised in that the lever (1) is realised by simultaneous moulding with the lockable signalling means (2) by bi-material injection, the materials constituting the two elements having a chemical repulsion preventing their adhesion after moulding.
EP20020360210 2001-07-17 2002-07-15 Electrical security apparatus provided with lockable reset and signaling lever Expired - Fee Related EP1288978B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0109540A FR2827701B1 (en) 2001-07-17 2001-07-17 ELECTRICAL SAFETY EQUIPMENT PROVIDED WITH A LOCKABLE RESET AND SIGNALING HANDLE
FR0109540 2001-07-17

Publications (2)

Publication Number Publication Date
EP1288978A1 EP1288978A1 (en) 2003-03-05
EP1288978B1 true EP1288978B1 (en) 2006-09-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020360210 Expired - Fee Related EP1288978B1 (en) 2001-07-17 2002-07-15 Electrical security apparatus provided with lockable reset and signaling lever

Country Status (3)

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EP (1) EP1288978B1 (en)
DE (1) DE60214490T2 (en)
FR (1) FR2827701B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2861213B1 (en) * 2003-10-16 2007-08-10 Legrand Sa ELECTRICAL APPARATUS WITH TILTING KEY ADAPTED TO BE BLOCKED
IT1396396B1 (en) * 2009-10-28 2012-11-19 Bticino Spa MODULAR ELECTRIC APPLIANCE WITH LOCKABLE CONTROL LEVER.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4229756A1 (en) * 1992-09-05 1994-03-10 Abb Patent Gmbh Manual electric switch unit used in automobile - uses sliding or pivoted lever blocking operation of switch contacts
DE9305779U1 (en) * 1993-04-17 1993-07-22 Christian Geyer Gmbh & Co, 8500 Nuernberg, De
IT237518Y1 (en) * 1997-05-22 2000-09-13 Bticino Spa OPERATING DEVICE FOR A SWITCH WITH SWITCHING INHIBITION ELEMENT

Also Published As

Publication number Publication date
DE60214490T2 (en) 2007-05-03
FR2827701B1 (en) 2003-10-17
EP1288978A1 (en) 2003-03-05
FR2827701A1 (en) 2003-01-24
DE60214490D1 (en) 2006-10-19

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