EP2367190A1 - Locking device designed to prevent the earthing of an electrical protection device, and the electrical protection device including said device - Google Patents
Locking device designed to prevent the earthing of an electrical protection device, and the electrical protection device including said device Download PDFInfo
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- EP2367190A1 EP2367190A1 EP10354084A EP10354084A EP2367190A1 EP 2367190 A1 EP2367190 A1 EP 2367190A1 EP 10354084 A EP10354084 A EP 10354084A EP 10354084 A EP10354084 A EP 10354084A EP 2367190 A1 EP2367190 A1 EP 2367190A1
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- Prior art keywords
- coil
- latch
- lock
- locking
- locking device
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- 238000000605 extraction Methods 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
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- 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
Definitions
- the present invention relates to a locking device for preventing the earthing of an electrical protection device mounted in a chassis in the presence of a voltage on the line on which the apparatus is placed by means of locking adapted to be actuated by actuating means controlled by the presence of a voltage on the line.
- Locking devices are known to prevent grounding of an electrical apparatus in the presence of a voltage on the power line. However, these devices prevent grounding also when a power failure occurs or when a fault occurs in electronic systems, voltage sensors, etc ... while there is no problem. tension on the starting cables.
- the present invention solves this problem and proposes a locking device of the kind mentioned above, allowing the realization of this grounding of the device in cases of malfunction such as those stated above that allow this grounding, after verification of the absence of a voltage on the line, this device being of simple design, reduced size and achievable by means of a reduced number of parts.
- the present invention relates to a locking device of the kind mentioned above, this device being characterized in that it further comprises a lock capable of being actuated by an operator so as to activate the locking means, or to deactivate them well after activation of the actuating means having caused the locking means to be in a locked position.
- the aforementioned locking means comprise a latch cooperating with means for preventing the actuation of the grounding device.
- these means for preventing the actuation of the grounding device comprise a flap mounted rotatably relative to the frame of the apparatus and able to close off or release the access orifice to an operating tool of the grounding device, said flap being biased back to the position of release of the orifice by return means.
- the aforementioned actuation means comprise an electromagnetic coil, said coil comprising a core cooperating with the lock.
- the core of the coil is movable between a retracted position inside the coil allowing the displacement of the lock towards the unlocking position, and a position of extraction of the core outside the coil in which the core cooperates with the lock so as to maintain said latch in the locking position.
- the lock is articulated with respect to the frame of the apparatus, the core of the coil cooperating with an opening provided in the lock so as to prevent the rotation of the lock and thus maintain it in the position of locking, in the case of a presence of voltage on the line, and to allow the rotation of the latch causing the lock in an unlocked position, in the case where no presence of voltage is detected on the line.
- the electromagnetic coil is a so-called low voltage coil cooperating with an electronic device able not to send voltage to the coil in the case where a voltage is detected on the line, and to send a voltage on the coil in the event that no voltage on the line is detected.
- the lock comprises a bolt mounted articulated relative to the frame of the apparatus and adapted to be rotated by the operator, and the latch is hinged relative to the bolt.
- the lock is mechanically connected to the core of the coil by a so-called sliding pivot connection allowing the lock to be locked or unlocked, either by the coil or by the lock.
- the lock has an oblong opening cooperating with the core of the coil.
- the aforementioned lock has a substantially square shape and comprises a first arm connected in an articulated manner, by its free end, said bolt, and a second arm cooperating with its free end with the aforementioned means to prevent actuation of the earthing device.
- the locking device comprises means for returning the lock to the locking position when a voltage is returned to the line after unlocking.
- the lock has on its surface facing the core of the coil, a surface portion having a slope relative to the aforementioned surface, so as to allow the core of the coil to replace the lock in the position of lock after unlocking, when a voltage returns to the line.
- the present invention further relates to an electrical protection apparatus having the aforementioned features taken alone or in combination.
- a locking device for preventing the grounding of an electrical protection device such as a circuit breaker or a medium voltage switch in the presence of a voltage on the line. on which the device is placed.
- This device comprises a monitoring device (not shown) the presence of a voltage on the electrical line on which the device is placed, and an electromagnetic coil 1 having a core 2 adapted to be moved during the presence of a voltage so as to allow a flap 5 to close off an opening 4 for introducing an operating tool (not shown) of a device M grounding.
- the core 2 can be moved between a retracted position inside the coil 1 in which position a latch 3 is free to move to the unlocking position, and an extraction position of the core 2 outside the coil 1 in which the core 2 prevents the movement of the lock 3 to this unlocked position and thus maintains it in the locked position preventing the operation of the grounding device M.
- this coil 1 is a so-called undervoltage coil, the core 2 being driven outside the coil 1 when no voltage is sent on the coil 1.
- An intermediate electronic device (Not shown) is therefore provided between the voltage monitoring device on the line and the coil 1, said device being intended to send a voltage on the coil 1 when no voltage is detected on the line and vice versa to n send no voltage to the coil 1 when a voltage is detected on the line.
- This device also comprises a shutter 5 rotatably mounted relative to the frame C of the apparatus and adapted to be rotated in the direction of clockwise by the aforementioned lock 3 so as to close said orifice 4 of access to the operating tool M grounding device, said flap 5 being biased into a position in which said orifice is released via return means (not shown).
- This latch 3 is formed by a square-shaped piece having two arms 6, 7 one of which is hingedly connected by its free end 6a about an axis X, to the bolt 8 of a key lock 9 constituting a part of an unlocking device whose function will be described later, and the other arm 7 has an end 7a adapted to cooperate with said flap 5.
- This bolt 8 is adapted to be rotated by a key operation by an operator, between a first position said inactive (shown on the Figures 1 to 8 ) in which only the displacement of the core of the coil may cause the grounding device to be locked or unlocked, and a second so-called active position shown on the Figures 9 to 12 , the transition from the inactive position to the active position causing the unlocking of the lock allowing the introduction of the actuating tool of the grounding device.
- This lock 3 comprises an oblong opening 10 extending parallel to that 6 of the arms of the lock 3 which is hingedly connected to the bolt 8 of the lock, said opening 10 being intended to receive the core 2 and to cooperate with that in the way that will be explained in what follows.
- the latch 3 comprises on its face 11 cooperating with the core 2, a portion of face 12 having a slope with respect to said face 11 of the latch 3, this surface portion being intended to cooperate with the core 2 so as to recall the lock in its locked position when a voltage is again detected on the line after unlocking.
- the oblong aperture 10 and the sloped surface portion 12 are bordered by a protruding flange 13 defining an area 14 in which the end of the core 2 is intended to move, the flange 13 for guiding said core. 2 inside this area.
- the core 2 of the coil 1 is in the extracted position of the coil and is introduced into the opening 10 of the lock 3 thereby preventing rotation of the lock 3 relative to the bolt 8 of the lock.
- the latch holds the flap 5 in the closed position of the opening 4 for introducing the operating tool.
- the core 2 of the coil 1 leaves the opening 10 of the lock and is retracted inside the coil so as to allow the rotation of the lock relative to the counterclockwise bolt, said latch being driven by the flap 5, under the effect of the aforementioned biasing means causing the flap in rotation in a position in which the orifice 4 is released.
- the shutter 5 is thus driven, in the opposite direction of clockwise so as to release the orifice and allow the introduction of the control crank of the grounding device. This position is illustrated on the Figures 5 to 8 .
- the device according to the invention also comprises a device for deactivating the locking if necessary by means of a key lock 9.
- the coil 1 is lack of voltage, the lock will be effective as soon as the coil will be powered. It is therefore necessary to be able to deactivate its effect in the event of system failure (faulty coil, power failure, electronics fault, etc ...) resulting in a lack of power supply to the coil, and after controlling the absence of tension on the cables.
- the lock 9 can be actuated.
- the key is inserted in the barrel and rotated 90 ° in a clockwise direction, driving the bolt also in the same rotation and the lock in rotation in the opposite direction around the core 2 of the coil 1 and the axis of articulation of the lock 3 on the bolt 8, this rotation being authorized by the fact that the core 2 also moves in translation inside the oblong opening 10 of the bolt 3.
- This rotation of the latch 3 allows the rotation of the flap 5 in the same direction under the effect of the abovementioned return means, said flap being released from the pressure of the latch, this causing the release of the insertion orifice of the tool maneuvering.
- This unlocked position by the lock is illustrated on the Figures 9 to 12 .
- a locking device that can be unlocked by an operator under certain conditions that causes the device to be brought into the locking position, and this after verifying the absence of tension on the line, this device being reduced size, using a reduced number of parts and having a reduced cost.
- this locking function unlockable by means of a lock can be achieved by means of only three parts namely a lock, a lock bolt and a hinge axis of the lock on the bolt, the lock being mounted in pivot on the lock bolt and pivot sliding on the coil core.
- This kinematics allows the lock to be locked or unlocked either by the coil or by the lock.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
Description
La présente invention concerne un dispositif de verrouillage destiné à empêcher la mise à la terre d'un appareil de protection électrique monté dans un châssis en présence d'une tension sur la ligne sur laquelle est placé l'appareil par l'intermédiaire de moyens de verrouillage aptes à être actionnés par des moyens d'actionnement commandés par la présence d'une tension sur la ligne.The present invention relates to a locking device for preventing the earthing of an electrical protection device mounted in a chassis in the presence of a voltage on the line on which the apparatus is placed by means of locking adapted to be actuated by actuating means controlled by the presence of a voltage on the line.
On connaît des dispositifs de verrouillage destinés à empêcher la mise à la terre d'un appareil électrique en présence d'une tension sur la ligne électrique. Or, ces dispositifs empêchent la mise à la terre également lorsqu'une coupure de l'alimentation se produit ou lorsqu'un défaut survient dans les systèmes électroniques, capteurs de tension, etc...alors qu'il n'y a pas de tension sur les câbles de départ.Locking devices are known to prevent grounding of an electrical apparatus in the presence of a voltage on the power line. However, these devices prevent grounding also when a power failure occurs or when a fault occurs in electronic systems, voltage sensors, etc ... while there is no problem. tension on the starting cables.
La présente invention résout ce problème et propose un dispositif de verrouillage du genre précédemment mentionné, permettant la réalisation de cette mise à la terre de l'appareil dans des cas de disfonctionnement tels ceux énoncés précédemment qui autorisent cette mise à la terre, après vérification de l'absence d'une tension sur la ligne, ce dispositif étant de conception simple, d'encombrement réduit et réalisable au moyen d'un nombre réduit de pièces.The present invention solves this problem and proposes a locking device of the kind mentioned above, allowing the realization of this grounding of the device in cases of malfunction such as those stated above that allow this grounding, after verification of the absence of a voltage on the line, this device being of simple design, reduced size and achievable by means of a reduced number of parts.
A cet effet, la présente invention a pour objet un dispositif de verrouillage du genre précédemment mentionné, ce dispositif étant caractérisé en ce qu'il comporte en outre une serrure apte à être actionnée par un opérateur de manière à activer les moyens de verrouillage, ou bien les désactiver après l'activation des moyens d'actionnement ayant entraîné les moyens de verrouillage dans une position verrouillée.For this purpose, the present invention relates to a locking device of the kind mentioned above, this device being characterized in that it further comprises a lock capable of being actuated by an operator so as to activate the locking means, or to deactivate them well after activation of the actuating means having caused the locking means to be in a locked position.
Selon une caractéristique particulière, les moyens de verrouillage précités comportent un verrou coopérant avec des moyens pour empêcher l'actionnement du dispositif de mise à la terre.According to a particular characteristic, the aforementioned locking means comprise a latch cooperating with means for preventing the actuation of the grounding device.
Selon une autre caractéristique, ces moyens pour empêcher l'actionnement du dispositif de mise à la terre comportent un volet monté rotatif par rapport au châssis de l'appareil et apte à obturer ou libérer l'orifice d'accès à un outil de manoeuvre du dispositif de mise à la terre, ledit volet étant rappelé en position de libération de l'orifice par des moyens de rappel.According to another characteristic, these means for preventing the actuation of the grounding device comprise a flap mounted rotatably relative to the frame of the apparatus and able to close off or release the access orifice to an operating tool of the grounding device, said flap being biased back to the position of release of the orifice by return means.
Selon une autre caractéristique, les moyens d'actionnement précités comportent une bobine électromagnétique, ladite bobine comportant un noyau coopérant avec le verrou.According to another characteristic, the aforementioned actuation means comprise an electromagnetic coil, said coil comprising a core cooperating with the lock.
Selon une autre caractéristique, le noyau de la bobine est mobile entre une position escamotée à l'intérieur de la bobine autorisant le déplacement du verrou vers la position de déverrouillage, et une position d'extraction du noyau à l'extérieur de la bobine dans laquelle le noyau coopère avec le verrou de manière à maintenir ledit verrou dans la position de verrouillage.According to another characteristic, the core of the coil is movable between a retracted position inside the coil allowing the displacement of the lock towards the unlocking position, and a position of extraction of the core outside the coil in which the core cooperates with the lock so as to maintain said latch in the locking position.
Selon une autre caractéristique, le verrou est monté articulé par rapport au châssis de l'appareil, le noyau de la bobine coopérant avec une ouverture prévue dans le verrou de manière à empêcher la rotation du verrou et maintenir ainsi celui-ci dans la position de verrouillage, dans le cas d'une présence de tension sur la ligne, et à autoriser la rotation du verrou entraînant le verrou dans une position de déverrouillage, dans le cas où aucune présence de tension n'est détectée sur la ligne.According to another characteristic, the lock is articulated with respect to the frame of the apparatus, the core of the coil cooperating with an opening provided in the lock so as to prevent the rotation of the lock and thus maintain it in the position of locking, in the case of a presence of voltage on the line, and to allow the rotation of the latch causing the lock in an unlocked position, in the case where no presence of voltage is detected on the line.
Selon une autre caractéristique, la bobine électromagnétique est une bobine dite à manque de tension coopérant avec un dispositif électronique apte à ne pas envoyer de tension sur la bobine dans le cas où une tension est détectée sur la ligne, et à envoyer une tension sur la bobine dans le cas où aucune tension sur la ligne n'est détectée.According to another characteristic, the electromagnetic coil is a so-called low voltage coil cooperating with an electronic device able not to send voltage to the coil in the case where a voltage is detected on the line, and to send a voltage on the coil in the event that no voltage on the line is detected.
Selon une autre caractéristique, la serrure comporte un pêne monté articulé par rapport au châssis de l'appareil et apte à être entraîné en rotation par l'opérateur, et le verrou est monté articulé par rapport à ce pêne.According to another characteristic, the lock comprises a bolt mounted articulated relative to the frame of the apparatus and adapted to be rotated by the operator, and the latch is hinged relative to the bolt.
Selon une autre caractéristique, le verrou est relié mécaniquement au noyau de la bobine par une liaison dite à pivot glissant permettant au verrou d'être bloqué ou bien débloqué, soit par la bobine, soit par la serrure.According to another characteristic, the lock is mechanically connected to the core of the coil by a so-called sliding pivot connection allowing the lock to be locked or unlocked, either by the coil or by the lock.
Selon une autre caractéristique, le verrou comporte une ouverture oblongue coopérant avec le noyau de la bobine.According to another feature, the lock has an oblong opening cooperating with the core of the coil.
Selon une autre caractéristique, le verrou précité présente une forme sensiblement en équerre et comporte un premier bras relié de manière articulée, par son extrémité libre, audit pêne, et un second bras coopérant par son extrémité libre avec les moyens précités pour empêcher l'actionnement du dispositif de mise à la terre.According to another feature, the aforementioned lock has a substantially square shape and comprises a first arm connected in an articulated manner, by its free end, said bolt, and a second arm cooperating with its free end with the aforementioned means to prevent actuation of the earthing device.
Selon une autre caractéristique, le dispositif de verrouillage comporte des moyens pour rappeler le verrou en position de verrouillage lors du retour d'une tension sur la ligne après un déverrouillage.According to another characteristic, the locking device comprises means for returning the lock to the locking position when a voltage is returned to the line after unlocking.
Selon une autre caractéristique, le verrou comporte sur sa surface située en regard du noyau de la bobine, une portion de surface présentant une pente par rapport à la surface précitée, de manière à permettre au noyau de la bobine de replacer le verrou en position de verrouillage après un déverrouillage, lors du retour d'une tension sur la ligne.According to another feature, the lock has on its surface facing the core of the coil, a surface portion having a slope relative to the aforementioned surface, so as to allow the core of the coil to replace the lock in the position of lock after unlocking, when a voltage returns to the line.
La présente invention a encore pour objet un appareil de protection électrique comportant les caractéristiques précédemment mentionnées prises seules ou en combinaison.The present invention further relates to an electrical protection apparatus having the aforementioned features taken alone or in combination.
Mais d'autres avantages et caractéristiques de l'invention apparaîtront mieux dans la description détaillée qui suit et se réfère aux dessins annexés donnés uniquement à titre d'exemple et dans lesquels :
- La
figure 1 est une représentation schématique d'un dispositif de verrouillage selon l'invention en position verrouillée, - La
figure 2 est une vue en perspective, illustrant un dispositif de verrouillage selon une réalisation particulière de l'invention, en position verrouillée, - La
figure 3 est une vue de face, illustrant le dispositif de verrouillage en place dans un appareil électrique de coupure, en position de verrouillage. - La
figure 4 est une vue en perspective illustrant uniquement une partie de ce dispositif de verrouillage, - Les
figures 5,6,7 et 8 sont des vues similaires respectivement auxfigures 1,2,3 et 4 , le dispositif de verrouillage étant cette fois dans une position déverrouillée par la bobine, - La
figure 8a est une vue en perspective d'une partie du dispositif de lafigure 7 , cette partie étant vue de l'arrière, et - Les
figures 9,10,11 et 12 sont des vues similaires auxfigures 1,2,3 et 4 , illustrant le dispositif de verrouillage dans une position déverrouillée par la serrure.
- The
figure 1 is a schematic representation of a locking device according to the invention in locked position, - The
figure 2 is a perspective view, illustrating a locking device according to a particular embodiment of the invention, in the locked position, - The
figure 3 is a front view, illustrating the locking device in place in an electrical switchgear, in the locking position. - The
figure 4 is a perspective view illustrating only a part of this locking device, - The
Figures 5,6,7 and 8 are similar views respectively toFigures 1,2,3 and 4 , the locking device being this time in an unlocked position by the coil, - The
figure 8a is a perspective view of a part of the device of thefigure 7 , this part being seen from behind, and - The
Figures 9,10,11 and 12 are similar views toFigures 1,2,3 and 4 , illustrating the locking device in an unlocked position by the lock.
Sur les figures, on voit un dispositif de verrouillage selon une réalisation particulière de l'invention destiné à empêcher la mise à la terre d'un appareil de protection électrique tel un disjoncteur ou un interrupteur moyenne tension en présence d'une tension sur la ligne sur laquelle est placée l'appareil.In the figures, there is shown a locking device according to a particular embodiment of the invention for preventing the grounding of an electrical protection device such as a circuit breaker or a medium voltage switch in the presence of a voltage on the line. on which the device is placed.
Ce dispositif comporte un dispositif de surveillance (non représenté) de la présence d'une tension sur la ligne électrique sur laquelle l'appareil est placé, ainsi qu'une bobine électromagnétique 1 comportant un noyau 2 apte à être déplacé lors de la présence d'une tension de manière à permettre à un volet 5 de venir obturer un orifice 4 d'introduction d'un outil de manoeuvre (non représenté) d'un dispositif M de mise à la terre. Le noyau 2 peut être déplacé entre une position rétractée à l'intérieur de la bobine 1 dans laquelle position un verrou 3 est libre de se déplacer vers la position de déverrouillage, et une position d'extraction du noyau 2 à l'extérieur de la bobine 1 dans laquelle le noyau 2 empêche le déplacement du verrou 3 vers cette position déverrouillée et maintient donc celui-ci dans la position verrouillée empêchant la manoeuvre du dispositif de mise à la terre M.This device comprises a monitoring device (not shown) the presence of a voltage on the electrical line on which the device is placed, and an
Selon la réalisation illustrée sur les figures, cette bobine 1 est une bobine dite à manque de tension, le noyau 2 étant entraîné à l'extérieur de la bobine 1 lorsqu'aucune tension n'est envoyée sur la bobine 1. Un dispositif électronique intermédiaire (non représenté) est donc prévu entre le dispositif de surveillance de la tension sur la ligne et la bobine 1, ledit dispositif étant destiné à envoyer une tension sur la bobine 1 lorsqu'aucune tension n'est détectée sur la ligne et inversement à n'envoyer aucune tension sur la bobine 1 lorsqu'une tension est détectée sur la ligne.According to the embodiment illustrated in the figures, this
Ce dispositif comporte également un volet d'obturation 5 monté rotatif par rapport au châssis C de l'appareil et apte à être entraîné en rotation dans le sens des aiguilles d'une montre par le verrou précité 3 de manière à obturer ledit orifice 4 d'accès à l'outil de manoeuvre du dispositif M de mise à la terre, ledit volet 5 étant rappelé dans une position dans laquelle ledit orifice est libéré par l'intermédiaire de moyens de rappel (non représentés).This device also comprises a
Ce verrou 3 est formé par une pièce en forme d'équerre comportant deux bras 6,7 dont l'un 6 est relié de manière articulée par son extrémité libre 6a autour d'un axe X, au pêne 8 d'une serrure à clé 9 constituant une partie d'un dispositif de déverrouillage dont la fonction sera décrite ultérieurement, et dont l'autre bras 7 comporte une extrémité 7a apte à coopérer avec ledit volet 5. Ce pêne 8 est apte à être déplacé en rotation par une manoeuvre de la clé par un opérateur, entre une première position dite inactive (représentée sur les
Ce verrou 3 comporte une ouverture de forme oblongue 10 s'étendant parallèlement à celui 6 des bras du verrou 3 qui est relié de manière articulée au pêne 8 de la serrure, ladite ouverture 10 étant destinée à recevoir le noyau 2 et à coopérer avec celui-ci de la manière qui sera expliquée dans ce qui suit.This
Tel qu'illustré sur la
Le fonctionnement du dispositif selon l'invention va être décrit en détail dans ce qui suit en référence aux figures:
- Sur les
figures 1 à 4 , le dispositif est en position verrouillée suite à la détection d'une tension sur la ligne par le système de surveillance.
- On the
Figures 1 to 4 , the device is in the locked position following the detection of a voltage on the line by the monitoring system.
Dans cette position, le noyau 2 de la bobine 1 est en position extraite de la bobine et est introduit dans l'ouverture 10 du verrou 3 empêchant de ce fait la rotation du verrou 3 par rapport au pêne 8 de la serrure. Dans cette position, le verrou maintient le volet 5 en position d'obturation de l'orifice 4 d'introduction de l'outil de manoeuvre.In this position, the
Lorsque le dispositif de surveillance ne détecte plus de tension sur la ligne, le noyau 2 de la bobine 1 sort de l'ouverture 10 du verrou et est escamoté à l'intérieur de la bobine de manière à permettre la rotation du verrou par rapport au pêne dans le sens inverse des aiguilles d'une montre, ledit verrou étant entraîné par le volet 5, sous l'effet des moyens de rappel précités entraînant le volet en rotation dans une position dans laquelle l'orifice 4 est libéré. Le volet d'obturation 5 est ainsi entraîné, dans le sens inverse des aiguilles d'une montre de manière à libérer l'orifice et permettre l'introduction de la manivelle de commande du dispositif de mise à la terre. Cette position est illustrée sur les
Le dispositif selon l'invention comporte également un dispositif permettant de désactiver le verrouillage en cas de besoin au moyen d'une serrure à clé 9.The device according to the invention also comprises a device for deactivating the locking if necessary by means of a
En effet, la bobine 1 étant à manque de tension, le verrouillage sera effectif dès que la bobine ne sera plus alimentée. Il est donc nécessaire de pouvoir désactiver son effet en cas de défaillance du système (bobine défectueuse, coupure de l'alimentation, défaut de l'électronique, etc...) entraînant une absence d'alimentation de la bobine, et après avoir contrôlé la non présence de la tension sur les câbles.Indeed, the
Ainsi, après avoir vérifié qu'il n'y a pas de tension sur la ligne, la serrure 9 peut être actionnée. Pour se faire, la clef est insérée dans le barillet et tournée de 90° dans le sens des aiguilles d'une montre, entraînant le pêne également dans une même rotation et le verrou en rotation dans le sens inverse autour du noyau 2 de la bobine 1 et de l'axe d'articulation du verrou 3 sur le pêne 8, cette rotation étant autorisée par le fait que le noyau 2 se déplace également en translation à l'intérieur de l'ouverture oblongue 10 du verrou 3.Thus, after verifying that there is no voltage on the line, the
Cette rotation du verrou 3 permet la rotation du volet 5 dans le même sens sous l'effet des moyens de rappel précités, ledit volet étant libéré de la pression du verrou, ceci entraînant la libération de l'orifice d'introduction de l'outil de manoeuvre. Cette position déverrouillée par la serrure est illustrée sur les
On a donc réalisé selon l'invention un dispositif de verrouillage pouvant être déverrouillé par un opérateur dans certaines conditions qui entraînent l'amenée en position de verrouillage du dispositif, et ce après vérification de l'absence de tension sur la ligne, ce dispositif étant d'encombrement réduit, utilisant un nombre réduit de pièce et présentant un coût réduit.Thus, according to the invention, a locking device that can be unlocked by an operator under certain conditions that causes the device to be brought into the locking position, and this after verifying the absence of tension on the line, this device being reduced size, using a reduced number of parts and having a reduced cost.
En effet, cette fonction de verrouillage, déverrouillable au moyen d'une serrure peut être réalisée au moyen de seulement trois pièces à savoir un verrou, un pêne de serrure et un axe d'articulation du verrou sur le pêne, le verrou étant monté en pivot sur le pêne de serrure et en pivot glissant sur le noyau de bobine. Cette cinématique permet au verrou d'être bloqué ou débloqué soit par la bobine soit par la serrure.Indeed, this locking function, unlockable by means of a lock can be achieved by means of only three parts namely a lock, a lock bolt and a hinge axis of the lock on the bolt, the lock being mounted in pivot on the lock bolt and pivot sliding on the coil core. This kinematics allows the lock to be locked or unlocked either by the coil or by the lock.
Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits et illustrés qui n'ont été donnés qu'à titre d'exemple.Of course, the invention is not limited to the embodiments described and illustrated which have been given by way of example.
Au contraire, l'invention comprend tous les équivalents techniques des moyens décrits ainsi que leurs combinaisons si celles-ci sont réalisées suivant son esprit.On the contrary, the invention comprises all the technical equivalents of the means described and their combinations if they are carried out according to its spirit.
Claims (14)
caractérisé en ce qu'il comporte en outre une serrure (9) apte à être actionnée par un opérateur de manière à activer les moyens de verrouillage (3,5), oubien les désactiver après l'activation des moyens d'actionnement (1) ayant entraîné les moyens de verrouillage (3,5) dans une position verrouillée.Locking device for preventing the earthing of an electrical protection device mounted in a chassis in the presence of a voltage on the line on which the apparatus is placed by means of locking means able to be actuated by actuating means controlled by the presence of a tension on the line,
characterized in that it further comprises a lock (9) operable by an operator so as to activate the locking means (3,5) or deactivate them after activation of the actuating means (1) having driven the locking means (3,5) into a locked position.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1001038A FR2957714B1 (en) | 2010-03-16 | 2010-03-16 | LOCKING DEVICE FOR PREVENTING THE GROUNDING OF AN ELECTRICAL PROTECTION DEVICE AND AN ELECTRICAL PROTECTION APPARATUS COMPRISING SUCH A DEVICE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2367190A1 true EP2367190A1 (en) | 2011-09-21 |
EP2367190B1 EP2367190B1 (en) | 2016-06-22 |
Family
ID=42830008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10354084.5A Active EP2367190B1 (en) | 2010-03-16 | 2010-11-29 | Locking device designed to prevent the earthing of an electrical protection device, and the electrical protection device including said device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2367190B1 (en) |
CN (1) | CN102194585B (en) |
ES (1) | ES2592927T3 (en) |
FR (1) | FR2957714B1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2986899A1 (en) * | 2012-02-14 | 2013-08-16 | Schneider Electric Ind Sas | Device for controlling mechanism of electric protection apparatus e.g. circuit breaker, placed in case, has preventing unit for preventing access of control inputs, which are used to bring driving shaft in position corresponding to input |
WO2017000029A1 (en) * | 2015-06-30 | 2017-01-05 | Remsafe Pty Ltd | An equipment isolation switch assembly |
US10162313B2 (en) | 2015-06-30 | 2018-12-25 | Remsafe Pty Ltd. | Equipment isolation system |
US10222763B2 (en) | 2015-06-30 | 2019-03-05 | Remsafe Pty Ltd | Remote isolation system and mobile device for use in the remote isolation system |
FR3113335A1 (en) | 2020-08-10 | 2022-02-11 | Schneider Electric Industries Sas | Interlocking device intended to prevent the earthing of a protective device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB457128A (en) * | 1935-05-22 | 1936-11-23 | Reyrolle A & Co Ltd | Improvements in or relating to electric switchgear |
EP1049123A1 (en) * | 1999-04-26 | 2000-11-02 | Alstom | Control device with three positions for electrical apparatus |
EP1271588A1 (en) * | 2001-06-20 | 2003-01-02 | Alstom | Control device for disconnecting switch having an interlocking system implanted in a removable rotary part |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6388213B1 (en) * | 2000-03-17 | 2002-05-14 | General Electric Company | Locking device for molded case circuit breakers |
-
2010
- 2010-03-16 FR FR1001038A patent/FR2957714B1/en not_active Expired - Fee Related
- 2010-11-29 EP EP10354084.5A patent/EP2367190B1/en active Active
- 2010-11-29 ES ES10354084.5T patent/ES2592927T3/en active Active
-
2011
- 2011-03-16 CN CN201110063146.7A patent/CN102194585B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB457128A (en) * | 1935-05-22 | 1936-11-23 | Reyrolle A & Co Ltd | Improvements in or relating to electric switchgear |
EP1049123A1 (en) * | 1999-04-26 | 2000-11-02 | Alstom | Control device with three positions for electrical apparatus |
EP1271588A1 (en) * | 2001-06-20 | 2003-01-02 | Alstom | Control device for disconnecting switch having an interlocking system implanted in a removable rotary part |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2986899A1 (en) * | 2012-02-14 | 2013-08-16 | Schneider Electric Ind Sas | Device for controlling mechanism of electric protection apparatus e.g. circuit breaker, placed in case, has preventing unit for preventing access of control inputs, which are used to bring driving shaft in position corresponding to input |
WO2017000029A1 (en) * | 2015-06-30 | 2017-01-05 | Remsafe Pty Ltd | An equipment isolation switch assembly |
US10163592B2 (en) | 2015-06-30 | 2018-12-25 | Remsafe Pty Ltd. | Equipment isolation switch assembly |
US10162313B2 (en) | 2015-06-30 | 2018-12-25 | Remsafe Pty Ltd. | Equipment isolation system |
US10222763B2 (en) | 2015-06-30 | 2019-03-05 | Remsafe Pty Ltd | Remote isolation system and mobile device for use in the remote isolation system |
AU2021236563B2 (en) * | 2015-06-30 | 2023-12-14 | Remsafe Pty Ltd | An equipment isolation switch assembly |
FR3113335A1 (en) | 2020-08-10 | 2022-02-11 | Schneider Electric Industries Sas | Interlocking device intended to prevent the earthing of a protective device |
Also Published As
Publication number | Publication date |
---|---|
FR2957714B1 (en) | 2012-03-02 |
CN102194585A (en) | 2011-09-21 |
CN102194585B (en) | 2015-04-29 |
EP2367190B1 (en) | 2016-06-22 |
FR2957714A1 (en) | 2011-09-23 |
ES2592927T3 (en) | 2016-12-02 |
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