EP0997919A1 - Appareillage de coupure comportant un organe mécanique de visualisation à trois positions - Google Patents
Appareillage de coupure comportant un organe mécanique de visualisation à trois positions Download PDFInfo
- Publication number
- EP0997919A1 EP0997919A1 EP99410124A EP99410124A EP0997919A1 EP 0997919 A1 EP0997919 A1 EP 0997919A1 EP 99410124 A EP99410124 A EP 99410124A EP 99410124 A EP99410124 A EP 99410124A EP 0997919 A1 EP0997919 A1 EP 0997919A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- indicator
- close
- ready
- closing
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H2003/3073—Indication of the charge on the spring motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3005—Charging means
- H01H3/3015—Charging means using cam devices
Definitions
- EP A 0 222 645 for example a circuit breaker comprising at least one pair of contacts of which at least one is movable and can take a closed position relative to the other corresponding to mechanical and electrical contact and an open position, this circuit breaker being of the type fitted with an arming mechanism provided with an energy accumulator and a opening mechanism.
- the arming mechanism includes a so-called closing spring to pass from an armed state to a released state, a so-called closing lock capable of locking the spring closing in its armed state.
- the closing spring is associated with the movable contact of so that the relaxation of the closing spring causes the movable contact to its position closing.
- the arming and closing mechanism further includes a mechanism which the driving member, for example an oscillating lever, drives a freewheel mechanism capable of bringing the closing spring into its armed state.
- the opening mechanism includes a so-called opening spring capable of going from an armed state to a released state and from the released state to the armed state, and a so-called opening lock capable of locking the opening spring in its armed state.
- the opening spring is associated with the movable contact of so that the relaxation of the opening spring causes the movable contact to a position and that the movement of the movable contact to its closed position causes the opening spring to be armed
- Such a circuit breaker can be in different states, in particular a closed state, a state open disarmed, an open armed state.
- the lock opening can be either in the unlocked position, which is usually a position of rest in which the lock is resiliently recalled, ie in the locking position.
- the lock can indeed be permanently requested in this last position, for example by a trigger activating it due to a persistent electrical fault on the line, or by a opening push button itself locked by an external lock to allow intervention on the apparatus.
- the circuit breaker should in practice only be closed when three conditions are met: arming mechanism must be armed, the switch bar must be in position opening, and the opening latch must be in its locked position.
- the conjunction of these three conditions defines a state known as "ready to close" of the circuit breaker.
- the catalog low voltage distribution Merlin Gerin from 1989 references a brand circuit breaker Masterpact, presenting an indicator of this state ready to close the device.
- the internal operation of this prior art device is shown in Figures 1 to 3.
- the arming mechanism 10 of the circuit breaker 12 includes an energy accumulator spring 14 cooperating with a transmission lever 16.
- the lever 16 is pivotally mounted around a fixed axis 18 and comprises a roller 20 interfering with an arming cam 22 mounted on a shaft 24.
- the shaft 24 supports a secondary cam 26 for indexing the state of the circuit breaker 12, interfering with a finger 28 of an indicator 30 pivoting about a fixed axis 32.
- the sight glass 30 has a wall 34 in the sector of a cylinder, visible through a window 36 of the instrument panel 38 of the front face of the apparatus. LED 30 can take two positions: one, shown in Figures 2 and 3, representative of the unarmed state of the arming mechanism 10 and the other, shown in Figure 1, of the armed state.
- the finger 28 falls into a notch 40 of the indexing cam 26 and the indicator 30 pivots in such a position that appears in window 36 a symbol of the armed state of the circuit breaker.
- the finger 28 interferes with the periphery cylindrical 42 of the cam 26, so that appears in the window a different part of the wall 34 carrying a corresponding symbol.
- the indicator light 30 also comprises an arm 44 acting on a drawer 46, so that the drawer 46 is pushed to the left on the figures, as long as the circuit breaker is not in its armed state.
- the circuit breaker has an opening indicator 48 visible in Figure 3 and mounted on an axis 50 extending that of the arming indicator 30, in a plane parallel to that of FIG. 1.
- the indicator opening 48 is recalled to an angular position not shown, in which it leaves appear through a window 52 of the dashboard 38 a symbol of the open state of the circuit breaker.
- the indicator 48 also includes a finger 54 which interferes with a cam 56 carried by the switching bar 58 when it reaches its closed position, so as to rotate the sight glass 48, which is found in the position shown in the figure 3, in which it lets appear through the window 52 a symbol of the closed state of circuit breaker.
- the circuit breaker opening mechanism 12 furthermore comprises an opening lock 64 able to assume a locking position, shown in Figure 2, in which it prohibits the passage of the switching rod 58 from its closed position to its open position, and an unlocked position, shown in Figures 1 and 3, in which it allows this passage.
- the lock 64 has an arm 66 acting on the drawer 46, and pushing it to the left on Figure 2, as long as the lock is in the unlocked position.
- Drawer 46 is recalled elastically to the right in the figures, but it cannot reach the position of figure 1 only when the three conditions of the “ready to close” state are met.
- the indicator drawer 46 activates an electrical contact, not shown, which activates an indicator light dashboard 38. Furthermore, it ensures in this position, and in this position only, a kinematic connection between a closing button 68 and a locking bolt closing 70 intended to release the arming cam 22, so that any closing order by the push button 68 is inoperative, as long as the apparatus is not in its ready-to-use state to close.
- This device has the drawback of not having a mechanical sight glass, that is to say purely mechanical device visible to the operator and indicating by its position or its state the state "ready to close" of the device.
- the present invention therefore aims to provide the operator with mechanical information representative of the state ready to close of the apparatus, in an inexpensive form, little cumbersome and practical reading.
- the indicator is kinematically connected to a transmission member arranged between the closing control member and the energy accumulator, so that the transmission member is capable of transmitting the mechanical order of the control member of closing with the closing latch if and only if the indicator is in the "ready to close” position.
- the indicator then becomes multifunctional, since it controls the inactivation of the control member closing, hence a reduction in the number of parts.
- the organ's declutching function closing command is useful to avoid vacuum closing, i.e. on a switchgear whose opening lock is in the unlocked position. Indeed, a vacuum closing causes a significant energy discharge which must be absorbed by limit stops dimensioned for less severe impacts.
- the transmission member does not interfere with the closing control member when the light is not in its "ready to close” position, so that the control unit is disengaged.
- the inactivation of the closing control member is done by declutching: in practice, the operator who operates the closing control member does not transmits no mechanical stress to the locking bolt, to the transmission member or to the seer.
- the sight glass comprises a cooperation surface capable of cooperating directly or indirectly with the transmission device.
- the sight glass is mounted pivoting about an axis.
- the sight glass comprises a cooperation surface capable of cooperating directly or indirectly with the opening lock.
- the sight glass comprises a cooperation surface capable of cooperating directly or indirectly with the pair or pairs of contact members, in particular with a bar of switching connecting the movable contact members.
- the sight glass comprises a cooperation surface capable of cooperating directly or indirectly with the arming mechanism, in particular with its device training.
- the kinematic link between the indicator and the latch opening, the switch bar, the arming mechanism or the transmission may not use a cam, but any other suitable type of connection, for example by cables.
- the sight glass comprises a cooperation surface, constituted for example by an arm or a cam, able to cooperate directly or indirectly with a switch electric so as to close it if and only if the indicator is in its "ready to to close ".
- the electrical information thus obtained makes it possible to send a signal back to the board. on the circuit breaker and to internal or external monitoring devices.
- the circuit breaker comprises a pair of contact members 72, 74 separable by pole, whose movable contact member 72 is connected by a connecting rod 76 to a bar switch 58 common to all the poles, and a device for controlling opening and closing of the poles, equipped with an energy accumulator.
- the bar of switching 58 is a shaft driving the circuit breaker contact members between a position and their closed position.
- the mobile contact member is itself in two parts, one constituting a support mounted to pivot about a fixed axis and urged by the connecting rod 76, the other mounted pivoting about an axis of the first, and carrying the pellets of contact.
- the control device comprises a kinematic chain for opening and closure 62, visible in FIGS.
- the connecting rod 78 is connected by a end 80 to a crank of the switch bar, while its other end 82 is mounted on the pivoting opening hook 84.
- the hook 84 is itself retained in position by the opening pawl 86 retained by an opening latch 64.
- the crankshaft 78 can take a folded position corresponding to an open position of the bar switching 58, and a deployed position corresponding to the closed position of the bar 58.
- An opening spring 88 working under tension connects the connecting pivot 80 from the crankshaft to the switch bar and a fixed cleat, so that it recalls the switch bar 58 in the open position, and tends automatically when the closing of the poles.
- the control device also comprises an arming mechanism 10 to accumulation of energy visible in Figure 5, whose arming is operated through a reset cam 22 keyed onto an arming shaft 24.
- the arming shaft 24 is driven clockwise in the figures, by a ratchet and ratchet wheel, not represented.
- the cocking cam 22 cooperates with a roller 20 of a cocking lever 16.
- the cocking lever 16 supports a finger 88 for connection with an elastic energy accumulator comprising a compression spring 14, called closing spring, guided in a support telescopic.
- the cocking lever 16 also belongs to the kinematic chain opening and closing, since it also has a finger 90 cooperating with the connecting rod 78, so that the pivoting of the cocking lever 16 when the closing spring 14 drives the linkage 78 and the switch bar 58 in position closing.
- the cocking cam In the cocked position of Figure 5, the cocking cam is retained in position by a closing pawl 91, itself locked in position by a closing latch 70.
- a dashboard 38 of the circuit breaker 12 has a push button 68 and a mechanical indicator 30 indicating the armed or unarmed state of the apparatus.
- the sight glass 30 constitutes a lever pivoting about an axis 32 and having a display face 34 in cylinder sector, passing in front of a window 36 of the front face of circuit breaker 12. It is recalled by a tension spring 92 clockwise on the figures.
- the sight glass 30 has a first arm 28 comprising an active surface 29 cooperating with an indexing cam 26 secured to the arming shaft 24.
- the indexing cam 26 has a notch 40 in which the arm 28 is free to be housed when the shaft 24 reaches its armed position, in the positions of FIGS. 7 to 9.
- the indicator light has a second arm 54 of which an active surface 55 interferes with the switching bar 58 in the position of FIG. 7.
- the sight glass has a third arm 94 which interferes with a active surface 95 with an arm 96 of the opening latch 64 when the latter takes its position for unlocking in FIG. 9.
- the indicator also has a fourth arm 44, one of which active surface 45 cooperates with a transmission drawer 46.
- the drawer has an oblong 98 of guide cooperating with a fixed pivot 100, giving it a degree of freedom of translation and a degree of freedom of rotation.
- the drawer is recalled elastically to the right in Figures 6 to 9, in a position where it is able to cooperate with the push button 68, so as to transmit to the closing lock 70 a closing order given manually on the pushbutton.
- the operation of the device is as follows.
- the switching rod 58 In the position of FIG. 6, the switching rod 58 is in the closed position and arming of the energy storage device has not started.
- the first arm 28 of the seer rests on the periphery 42 of the indexing cam 26 so that the indicator 30 takes a first position in which it lets appear through the window part of the sector cylindrical 34 carrying a symbol characteristic of the "unarmed" state of the circuit breaker.
- the drawer 46 In this position, the drawer 46 is biased by the third arm 44 of the indicator 30 outside of its position of interference with the push button 68 and the closing latch 70, so that the closing push button 68 is inoperative.
- the first arm 28 of the indicator light is opposite the notch 40 of the indexing cam. Its pivoting is however restricted by interference from the second arm 54 with the arm of the switching rod 58 in the closed position.
- the indicator light 30 therefore pivots, under the bias of its return spring 92, to the position of Figure 7. In this position, the drawer 46 is still biased by the third arm 44 of the indicator light 30 outside its position of interference with the push button 68 and the latch closing 70, so that the closing push button 68 is still inoperative.
- the light 30 lets appear through the window part of the cylinder sector 34 bearing a symbol of the “armed disengaged” state of the circuit breaker, that is to say of a state in which the closing the circuit breaker is not authorized, although the arming spring 14 is banded.
- the invention has been described in connection with a circuit breaker. It is however also applicable to any switchgear with energy storage, for example to switchgear operating as a switch.
- the apparatus can be monopolar, in which case the bar of switching and the movable contact member can be completely integral, even confused, or multipolar. It can be limiting, in which case there is an articulation between the part of the contact member carrying the contact pads and the part of the contact member linked to the switching bar, or non-limiting, in which case this articulation is not always necessary.
- the invention applies both to low voltage switchgear and to switchgear high tension.
- the indicator can be pivoted around an imaginary axis. It can also take the form of a drawer moving in translation in front of the window.
Abstract
Description
- un ou plusieurs pôles comportant chacun au moins une paire d'organes de contact, l'un au moins des organes de contact de chaque paire étant mobile de telle manière que la paire d'organes de contact soit apte à prendre une position d'ouverture et une position de fermeture,
- un ressort d'ouverture,
- un accumulateur d'énergie,
- un mécanisme d'armement lié cinématiquement à l'accumulateur d'énergie de manière à charger l'accumulateur d'énergie quelle que soit la position de la ou des paires d'organes de contact,
- un verrou dit de fermeture apte à verrouiller l'accumulateur d'énergie dans son état chargé,
- une chaíne cinématique reliant l'accumulateur d'énergie, le ressort d'ouverture et le ou les organes de contact mobiles de telle sorte que la décharge de l'accumulateur d'énergie déplace la ou les paires d'organes de contact vers leur position de fermeture et bande le ressort d'ouverture, et que le ressort d'ouverture bandé rappelle la ou les paires d'organes de contact vers leur position d'ouverture,
- un verrou dit d'ouverture apte à coopérer avec la chaíne cinématique et à prendre une position de verrouillage dans laquelle il interdit le passage de la ou des paires d'organes de contact de leur position de fermeture à leur position d'ouverture et une position déverrouillée dans laquelle il autorise ce passage,
- un dispositif de signalisation comportant :
- un voyant lié cinématiquement au mécanisme d'armement et apte à prendre une position « non armé » et au moins une deuxième position, et à prendre sa position « non armé » si et seulement si l'accumulateur d'énergie n'est pas dans son état chargé,
- un indicateur mécanique d'un état « prêt à fermer » de l'appareillage, relié cinématiquement à la ou aux paires d'organes de contact et au verrou d'ouverture, prenant une position dite « prêt à fermer » si et seulement si la ou les paires d'organes de contact sont en position d'ouverture, l'accumulateur d'énergie est chargé et le verrou d'ouverture est dans sa position de verrouillage,
- la figure 1, déjà commentée, représente une vue du mécanisme de l'état de la technique, dans l'état prêt à fermer ;
- la figure 2, déjà commentée, représente une vue du mécanisme de l'état de la technique, dans l'état ouvert non armé ;
- la figure 3, déjà commentée, représente une vue du mécanisme de l'état de la technique, dans l'état fermé non armé ;
- la figure 4 est un schéma de principe d'un dispositif d'ouverture des pôles d'un disjoncteur selon un mode préféré de réalisation de l'invention, en position d'ouverture ;
- la figure 5 est un schéma de principe d'un dispositif d'armement à accumulation d'énergie du disjoncteur de la figure 4, en position armée ;
- la figure 6 représente un dispositif selon un premier mode de réalisation de l'invention, dans l'état fermé non armé ;
- la figure 7 représente le dispositif de la figure 6, dans l'état fermé armé ;
- la figure 8 représente le dispositif de la figure 6, dans l'état prêt à fermer ;
- la figure 9 représente le dispositif de la figure 6, dans l'état verrouillé ouvert et armé.
Claims (9)
- Appareillage de coupure (12) comportant :un ou plusieurs pôles comportant chacun au moins une paire d'organes de contact (72, 74), l'un (72) au moins des organes de contact de chaque paire étant mobile de telle manière que la paire d'organes de contact (72, 74) soit apte à prendre une position d'ouverture et une position de fermeture,un ressort d'ouverture (88),un accumulateur d'énergie (14),un mécanisme d'armement (10) lié cinématiquement à l'accumulateur d'énergie (14) de manière à charger l'accumulateur d'énergie quelle que soit la position de la ou des paires d'organes de contact (72, 74),un verrou dit de fermeture (70) apte à verrouiller l'accumulateur d'énergie (14) dans son état chargé,une chaíne cinématique (62) reliant l'accumulateur d'énergie (14), le ressort d'ouverture (88) et le ou les organes de contact mobiles (72) de telle sorte que la décharge de l'accumulateur d'énergie (14) déplace la ou les paires d'organes de contact (72, 74) vers leur position de fermeture et bande le ressort d'ouverture (88), et que le ressort d'ouverture (88) bandé rappelle la ou les paires d'organes de contact (72, 74) vers leur position d'ouverture,un verrou dit d'ouverture (64) apte à coopérer avec la chaíne cinématique (62) et à prendre une position de verrouillage dans laquelle il interdit le passage de la ou des paires d'organes de contact (72, 74) de leur position de fermeture à leur position d'ouverture et une position déverrouillée dans laquelle il autorise ce passage,un dispositif de signalisation comportantun voyant (30) lié cinématiquement au mécanisme d'armement (10) et apte à prendre une position « non armé » et au moins une deuxième position, et à prendre sa position « non armé » si et seulement si l'accumulateur d'énergie (14) n'est pas dans son état chargé,un indicateur mécanique d'un état « prêt à fermer » de l'appareillage (12), relié cinématiquement à la ou aux paires d'organes de contact (72, 74) et au verrou d'ouverture (64), prenant une position dite « prêt à fermer » si et seulement si la ou les paires d'organes de contact (72, 74) sont en position d'ouverture, l'accumulateur d'énergie (14) est chargé et le verrou d'ouverture (64) est dans sa position de verrouillage,
- Appareillage selon la revendication 1, caractérisé en ce que le voyant (30) est relié cinématiquement à un organe de transmission (46) disposé entre un organe de commande de fermeture (68) et l'accumulateur d'énergie (14), de telle sorte que l'organe de transmission (46) est apte à transmettre l'ordre mécanique de l'organe de commande de fermeture (68) au verrou de fermeture (70) si et seulement si le voyant (30) est en position « prêt à fermer ».
- Appareillage selon la revendication 2, caractérisé en ce que lorsque le voyant (30) n'est pas dans sa position « prêt à fermer », l'organe de transmission (46) n'interfère pas avec l'organe de commande de fermeture (68), de sorte que celui-ci est débrayé.
- Appareillage selon les revendications 2 ou 3, caractérisé en ce que le voyant (30) comporte une surface de coopération (45) apte à coopérer directement ou indirectement avec l'organe de transmission (46).
- Appareillage selon l'une quelconque des revendications précédentes, caractérisé en ce que le voyant (30) est monté pivotant autour d'un axe (32).
- Appareillage selon l'une quelconque des revendications précédentes, caractérisé en ce que le voyant (30) comporte une surface de coopération (95) apte à coopérer directement ou indirectement avec le verrou d'ouverture (64).
- Appareillage selon l'une quelconque des revendications précédentes, caractérisé en ce que le voyant (30) comporte une surface de coopération (55) apte à coopérer directement ou indirectement avec la ou les paires d'organes de contact (72, 74).
- Appareillage selon l'une quelconque des revendications précédentes, caractérisé en ce que le voyant (30) comporte une surface de coopération (29) apte à coopérer directement ou indirectement avec le mécanisme d'armement (10).
- Appareillage selon l'une quelconque des revendications précédentes, caractérisé en ce que le voyant (30) comporte une surface de coopération apte à coopérer directement ou indirectement avec un interrupteur électrique de manière à fermer celui-ci si et seulement si le voyant est dans son état « prêt à fermer ».
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9813881A FR2785444B1 (fr) | 1998-10-30 | 1998-10-30 | Appareillage de coupure comportant un organe mecanique de visualisation a trois positions |
FR9813881 | 1998-10-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0997919A1 true EP0997919A1 (fr) | 2000-05-03 |
EP0997919B1 EP0997919B1 (fr) | 2006-02-15 |
Family
ID=9532359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99410124A Expired - Lifetime EP0997919B1 (fr) | 1998-10-30 | 1999-10-05 | Appareillage de coupure comportant un organe mécanique de visualisation à trois positions |
Country Status (20)
Country | Link |
---|---|
US (1) | US6144002A (fr) |
EP (1) | EP0997919B1 (fr) |
JP (1) | JP4454734B2 (fr) |
KR (1) | KR100695635B1 (fr) |
CN (1) | CN1103489C (fr) |
AU (1) | AU754416B2 (fr) |
BR (1) | BR9904986B1 (fr) |
CA (1) | CA2283991C (fr) |
CZ (1) | CZ298125B6 (fr) |
DE (1) | DE69929873T2 (fr) |
EA (1) | EA001841B1 (fr) |
ES (1) | ES2258320T3 (fr) |
FR (1) | FR2785444B1 (fr) |
HU (1) | HUP9903981A3 (fr) |
ID (1) | ID25949A (fr) |
MY (1) | MY125151A (fr) |
PL (1) | PL194955B1 (fr) |
TR (1) | TR199902695A2 (fr) |
TW (1) | TW434623B (fr) |
ZA (1) | ZA996752B (fr) |
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EP1914777A1 (fr) * | 2006-10-17 | 2008-04-23 | LS Industrial Systems Co., Ltd | Disjoncteur à air et sa biellette |
CZ300138B6 (cs) * | 2006-01-25 | 2009-02-18 | Oez, S. R. O. | Signalizacní ústrojí stavu termomagnetické spoušte, zvlášte u výkonového jistice |
CN102194580A (zh) * | 2010-03-18 | 2011-09-21 | 西门子公司 | 驱动设备以及带有此类驱动设备的电气开关 |
WO2013102726A1 (fr) | 2012-01-06 | 2013-07-11 | Schneider Electric Industries Sas | Disjoncteur électrique de puissance à accumulateur d'énergie dispositif de signalisation perfectionné de l'état de fonctionnement |
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DE19826200A1 (de) * | 1998-06-10 | 1999-12-16 | Siemens Ag | Ein- und ausfahrbares Schaltgerät mit einer von der Schaltstellung abhängigen Einrichtung zum Abschließen |
KR100325408B1 (ko) * | 1999-10-26 | 2002-03-04 | 이종수 | 회로차단기용 접점개폐장치 |
DE19957391C1 (de) | 1999-11-24 | 2001-03-29 | Siemens Ag | Einrichtung zur Steuerung der Einschaltung eines Leistungsschalters |
DE10044058C1 (de) * | 2000-08-31 | 2001-12-13 | Siemens Ag | Elektrischer Schalter |
FR2818796B1 (fr) * | 2000-12-22 | 2003-02-07 | Schneider Electric Ind Sa | Mecanisme d'assistance a la fermeture pour un appareillage electrique de coupure et mecanisme d'entrainement d'un appareillage electrique muni d'un tel mecanisme d'assistance |
CN1299308C (zh) * | 2004-07-30 | 2007-02-07 | 常熟开关制造有限公司(原常熟开关厂) | 自动转换开关的指示装置 |
EP1914772B1 (fr) * | 2006-03-28 | 2010-06-02 | LS Industrial Systems Co., Ltd | Disjoncteur à air, ressort d'ouverture du disjoncteur et méthode de raccordement correspondant |
CN101154529B (zh) * | 2006-09-29 | 2010-08-11 | 希捷爱斯(上海)电气有限公司 | 一种直动式三工位开关手动操作的位置锁定机构 |
KR200437402Y1 (ko) * | 2006-10-17 | 2007-11-30 | 엘에스산전 주식회사 | 기중 차단기 및 그에 사용되는 차단스프링 |
US7696447B2 (en) * | 2007-06-01 | 2010-04-13 | Eaton Corporation | Electrical switching apparatus and stored energy assembly therefor |
KR100890754B1 (ko) * | 2007-07-12 | 2009-03-26 | 엘에스산전 주식회사 | 기중 차단기용 투입작동 가능 표시장치 및 이를 갖는 기중차단기 |
KR100850422B1 (ko) * | 2007-08-20 | 2008-08-04 | 엘에스산전 주식회사 | 기중차단기의 투입스프링 차징장치 |
KR100882399B1 (ko) * | 2007-08-20 | 2009-02-05 | 엘에스산전 주식회사 | 자동 풀림 링크 기구를 구비한 회로 차단기 및 이에사용되는 자동풀림 링크 기구 |
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CN102280318A (zh) * | 2010-06-12 | 2011-12-14 | 上海电科电器科技有限公司 | 可合闸状态指示装置 |
DE102010036222B4 (de) * | 2010-08-30 | 2023-08-17 | Siemens Aktiengesellschaft | Anordnung mit einem elektrischen Schalter |
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CN106328402B (zh) * | 2015-06-30 | 2018-07-03 | 上海电科电器科技有限公司 | 电器开关的指示装置 |
USD842258S1 (en) * | 2016-03-29 | 2019-03-05 | Kevin Somers | Electrical circuit breaker charge cam |
CN105957769A (zh) * | 2016-06-15 | 2016-09-21 | 西电气有限公司 | 一种箱型真空断路器 |
CN110911141A (zh) * | 2019-12-12 | 2020-03-24 | 百胜电气有限公司 | 变压器柜内开关指示器及柜体 |
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- 1999-10-05 EP EP99410124A patent/EP0997919B1/fr not_active Expired - Lifetime
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- 1999-10-28 TR TR1999/02695A patent/TR199902695A2/xx unknown
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- 1999-10-29 KR KR1019990047444A patent/KR100695635B1/ko not_active IP Right Cessation
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