WO2012059811A1 - Mécanisme à enclenchement mécanique amélioré, à basculement double et / ou à trois positions d'un interrupteur électrique coupe-charge - Google Patents

Mécanisme à enclenchement mécanique amélioré, à basculement double et / ou à trois positions d'un interrupteur électrique coupe-charge Download PDF

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Publication number
WO2012059811A1
WO2012059811A1 PCT/IB2011/002617 IB2011002617W WO2012059811A1 WO 2012059811 A1 WO2012059811 A1 WO 2012059811A1 IB 2011002617 W IB2011002617 W IB 2011002617W WO 2012059811 A1 WO2012059811 A1 WO 2012059811A1
Authority
WO
WIPO (PCT)
Prior art keywords
operating shaft
link
switch operating
earth
main switch
Prior art date
Application number
PCT/IB2011/002617
Other languages
English (en)
Inventor
Rupeshsingh K. Bess
Zhen Yuan Yeo
Ashok Malatpure
Avanish Shrivastava
Original Assignee
Larsen & Toubro Limited
Tamco Switchgear Sdn Bhd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Larsen & Toubro Limited, Tamco Switchgear Sdn Bhd filed Critical Larsen & Toubro Limited
Publication of WO2012059811A1 publication Critical patent/WO2012059811A1/fr

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Classifications

    • 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
    • H01H3/3047—Power arrangements internal to the switch for operating the driving mechanism using spring motor adapted for operation of a three-position switch, e.g. on-off-earth
    • 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
    • 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
    • H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H01H33/121—Load break switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
    • H01H9/282—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock

Definitions

  • the present invention relates to Electrical Switches. More particularly, the invention is concerned about an improved mechanical interlock, dual toggling and three position mechanism of an electrical load break switch.
  • EP 1912230 (A2) relates to a load disconnecting switch with spring action drive for operation at least a switch contact a mechanism in which the disconnector has an engaging and disengaging spring, a switching shaft (2) and a spring force drive for switching movement engaged at the shaft.
  • a shaft supports the switching contact a blocking device is provided for the spring force drive, which maintains the spring in a tightening position before reaching a dead center positioning of the engaging spring.
  • a driver is arranged at the switching shaft in a detachably fixed manner, and a mechanical and/or electrical locking device is provided.
  • An object of the present invention is to overcome the problems/disadvantages of the prior art.
  • Another object of the present invention is to provide an improved mechanical interlock, dual toggling and three position mechanism of an electrical load break switch.
  • Another object of the present invention is to provide an improved mechanism for isolating the load and further connecting it to the earth.
  • Another object of the present invention is to provide an improved mechanism for an independent system of closing and opening of contacts.
  • Another object of the present invention is to provide an improved mechanism by using less number of components and cost effective.
  • an improved mechanical interlock, dual toggling and/or three position mechanism of an electrical load break switch comprising: rotating shaft means (5);
  • plurality of operating shaft means comprising main switch operating shaft means (11) and earth switch operating shaft means (12);
  • main switch operating shaft (11) having substantially cylindrical shape with substantially 'C shaped profile being adapted to accommodate the bent portion of a connector of a interlock link (9);
  • said earth switch operating shaft (12) having substantially cylindrical shape with substantially 'C shaped profile being adapted to accommodate the bent portion of a connector of the interlock link(9);
  • said link arrangement comprising substantially triangular shaped link connector having substantially circular hole substantially at each of the vertices operatively connected to plurality of link connectors; one of vertices of said triangular shaped link connector operatively connected to a substantially rectangular element; one of the link connectors having substantially linear shape having substantially elongated hole at one end operatively connected to the triangular shaped link connector and substantially circular hole at other end operatively connected to the earth switch operating shaft (12) or main switch operating shaft (11) thereby said link arrangement (15) transferring energy provided by the mechanism spring (14) to the rotating shaft (05);
  • spring arm means being substantially wound around with mechanism spring (14) means; said spring arm means (13) operatively connected to said main switch operating shaft means (1 1) and earth switch operating shaft means (12) thereby transferring force from the spring to the link arrangement (15) to drive the rotating shaft means(5);
  • interlock link (09) comprising at least two connectors; each connector being operatively connected to other connector forming substantially 'V shape by means of hinge at one end to facilitate the movement of the assembly; said each connector having substantially linear shape being bended at one end adapted to connect to the main switch operating shaft means (11) or earth switch operating shaft means (12) when any of the operating shaft is rotated thereby interlocking between main switch and earth switch;
  • interlock link (09) being in horizontal position when the main switch operating shaft means (1 1) and the earth switch operating shaft means (12) are in OFF state;
  • Fig. 1 illustrates a switch as per one embodiment of the present invention.
  • Fig. 2 illustrates an exploded view of switch as per one embodiment of the present invention.
  • Fig. 3 illustrates a front view of the Mechanism (01).
  • Fig. 4 illustrates an isometric view of the Mechanism (01) with a mounting arrangement with switch (02).
  • Fig. 5 illustrates an isometric view of the Mechanism (01) with a pad locking arrangement (07).
  • Fig. 6 illustrates an isometric view of the Mechanism (01) with a pad locking arrangement (07) with plate (08) removed.
  • Fig. 7 illustrates a front view of the Mechanism (01) with mechanism plate (08) removed and both switches in OFF position.
  • Fig. 8 illustrates a front view of the Mechanism (01) with main switch (1 1) in ON position thereby rotating the interlock link (09) in clockwise direction.
  • Fig. 9 illustrates a front view of the Mechanism (01) with one of the mechanism plate (08) removed and both the switch in OFF position.
  • Fig. 10 illustrates a front view of the Mechanism (01) with Earth switch (12) is in ON position thereby rotating the interlock link (09) in anticlockwise direction.
  • Fig. 11 illustrates an isometric view of the Mechanism (01) with mechanism plate (08), pad locking arrangement (07) and interlock link (09) removed.
  • Fig. 12 illustrates an isometric view of the Mechanism (01) with two mechanism plates (08) removed further.
  • Fig. 13 illustrates a front view of the Mechanism (01) with mechanism plates (08) removed further.
  • Fig. 14 illustrates a front view of the Mechanism (01) with main switch operating shaft (1 1) is rotated in clockwise direction up to the dead center of the mechanism
  • Fig. 15 illustrates a front view of the Mechanism (01) with main switch (11) in ON position.
  • Fig. 16 illustrates a front view of the Mechanism (01) with one more mechanism plate (08) removed further, showing the spring arm (13), mechanism spring (14), main switch operating shaft (11) and earth switch operating shaft (12) when both switches are in OFF position.
  • Fig. 17 illustrates a front view of the Mechanism (01) with earth switch operating shaft (12) is rotated in clockwise direction up to the dead center of the mechanism (01).
  • Fig. 18 illustrates a front view of the Mechanism (01) with earth switch (12) in ON position.
  • Fig. 19 illustrates a front view of the Mechanism (01) with mechanism plates (08), spring arm (13), and mechanism spring (14) removed with main and earth switch in OFF position
  • Fig. 20 illustrates a front view of the Mechanism (01) with mechanism plates (08), spring arm (13), and mechanism spring (14) removed.
  • Fig. 21 illustrates a front view of the Mechanism (01) with one more mechanism plate (08), spring arm (13), and mechanism spring (14) removed further with the main switch (1 1) in OFF position and earth switch (12) in ON position.
  • Fig. 22 illustrates an isometric view of the Mechanism (01) with one more mechanism plate (08), spring arm (13) and mechanism spring (14) removed showing the link arrangement to drive the rotating shaft (15) with main switch (11) and earth switch (12) both in OFF position.
  • Fig. 23 illustrates an isometric view of the Mechanism (01) with the motion transfer plate (16), rotating shaft (05) and ball bearing arrangement (17) to hold the operating shaft in position.
  • Fig. 24 illustrates a front view of the mechanism (01) with both Main switch & earth switch in OFF position.
  • Fig. 25 illustrates an isometric view of the mechanism (01) with both Main switch & earth switch in OFF position.
  • Fig. 26 illustrates a front view of the mechanism (01) with Main switch OFF & earth switch in ON position, pad lock lever (19) held in a position by means of a spring.
  • Fig. 27 illustrates a front view of the mechanism (01) with Main switch OFF & earth switch in ON position, pad lock lever (19) is pulled to a position barring the access to the earth switch operating shaft (12).
  • Fig. 28 illustrates an isometric view of the mechanism (01) with Main switch OFF & earth switch in ON position, pad lock lever (19) is pulled to a position barring the access to the earth switch operating shaft (12).
  • Fig. 29 illustrates an isometric view of the mechanism (01) with Main switch OFF & earth switch in ON position, pad lock lever (19) is pulled to a position barring the access to the earth switch operating shaft (12).
  • Lock latch 1 (20) held in a position by means of a spring.
  • Fig. 30 illustrates an isometric view of the mechanism (01) with Main switch OFF & earth switch in ON position, pad lock lever (19) is pulled to a position barring the access to the earth switch operating shaft (12).
  • an improved mechanical interlock, dual toggling and three position mechanism of an electrical load break switch relates to the mechanism used for load break switch that is capable of turning or isolating a load ON and OFF and connecting the load to the earth for complete protection during service period.
  • the mechanism enables the switch to make on overload and break the normal load current.
  • the mechanism adheres to the requirements of a switch being manually independent.
  • the dual toggling, three position mechanisms for a load break switch is obtained in a compact form in this invention along with the provision of earthling the load after breaking the connection of the supply with the load.
  • the different states of the switch and the related parts thereof are as follows:
  • Earth/main switch OFF The state at which the moving contact bridge is in open condition with the mechanism as shown in fig. 6,7,9,11,12,13,16,19 & 22.
  • the interlock link (09) is in horizontal position as shown in fig. 6, 7, 9 & 11 giving operating handle (04) the access to be inserted in main switch operating shaft (11) or earth switch operating shaft (12) to operate the mechanism (01) resulting in Main switch ON or Earth switch ON respectively.
  • the interlock link (09) comprising at least two connectors. Each connector of interlock link is operatively connected to other connector forming substantially 'V shape by means of hinge at one end to facilitate the movement of the assembly.
  • Each connector having substantially linear shape being bended at one end adapted to connect to the main switch operating shaft means (1 1) or earth switch operating shaft means (12) when any of the operating shaft is rotated thereby interlocking between main switch and earth switch.
  • the movement and the function of the interlock link (09) with respect to the mechanism (01) operation are explained below.
  • Both main switch operating shaft (11) & earth switch operating shaft (12) are held in position with the help of the mechanism arrangement and the spacer/stopper (18) provided.
  • the main switch operating shaft (1 1) having substantially cylindrical shape with substantially 'C shaped profile to accommodate the bended portion of a connector of ainterlock link (9).
  • the earth switch operating shaft (12) having substantially cylindrical shape with substantially 'C shaped profile to accommodate a bended portion of a connector of the interlock link(9).
  • the spring arm means substantially covered with mechanism spring (14) means.
  • the spring arm means (13) operatively connected to said main switch operating shaft means (11) and earth switch operating shaft means (12) thereby transferring force from the spring to the link arrangement (15) to drive the rotating shaft means(5).
  • the mechanism comprises plurality of plates means (8) namely plate-I (8a), plate-II (8b), and plate-III (8c).
  • the link arrangement (15) and spring arm means (13) are located on the plate I (8a).
  • the interlock link (09) is located on said plate II(8b).
  • the pad locking arrangement (07) is held in position as shown in fig. 3, 5, 6,7,8,9 & 10 thereby providing access for the earth switch operating shaft (12).
  • the padlock arrangement (7) is located on said plate III (8c). The movement and the function of the pad locking arrangement (07) with respect to the mechanism (01) operation are explained below.
  • Main switch ON The handle is rotated in the clockwise direction for the OFF to ON operation as shown in Fig 8, 14 & 15. This rotation is transferred through the main switch operating shaft through the link arrangement (15) to the rotating shaft.
  • the link arrangement (15) comprises substantially triangular shaped Jink connector, which is having substantially circular hole substantially at each vertice operatively connected to plurality of link connectors. One of vertices of the triangular shaped link connector operatively connected to a substantially rectangular element.
  • One of the link connectors having substantially linear shape having substantially elongated hole at one end operatively connected to the triangular shaped link connector, one of the link connectors having substantially circular hole at the other end operatively connected to the earth switch operating shaft (12) or main switch operating shaft (11) thereby said link arrangement (15) transferring energy provided by the mechanism spring (14) to the rotating shaft (05).
  • the spring is allowed to expand and release the energy stored through the spring arm. This operation comes to a halt when the moving contact bridge reaches the desired design location, the main switch is closed & the mechanism is stopped at the spacer/stopper (18).
  • the bridge is operated from the spring after dead centre the velocity of the contacts depends on the rate at which spring discharges required energy.
  • Fig. 15 shows the main switch operating shaft (11) rotated completely and is stopped by the spacer/stopper (18).
  • the link arrangement (15) is pushed further from right hand side to the left hand side of the mechanism (01) as compared to fig.14 with the help of the link from the link arrangement (15) connected to the main switch operating shaft (1 1), thereby transferring the motion to the rotating shaft (05) behind the mechanism causing the Main switch to close.
  • the interlock link (09) is push by the main switch operating shaft (11) to rotate in clockwise direction as shown in fig. 8, thereby barring the access to the earth switch operating shaft (12) till the Main switch is back to OFF position.
  • the interlock link (09) is pushed by a unique cut provided on the main switch operating shaft (11) as shown in fig. 6, 11, 12 & 22.
  • the interlock link is spring loaded.
  • Main switch OFF Similarly the handle is rotated in anticlockwise direction for the ON to OFF operation. This rotation is transferred through the main switch operating shaft through the link arrangement (15) to the rotating shaft. After the dead centre is crossed the spring is allowed to expand and release the energy stored through the spring arm. This operation comes to a halt when the moving contact bridge reaches the desired design location, the main switch is opened & the mechanism is stopped at the spacer/stopper (18). As the bridge is operated from the spring after dead centre the velocity of the contacts depends on the rate at which spring discharges required energy.
  • Fig. 14 shows the main switch operating shaft (11) rotated anticlockwise partially till the dead center; here the link arrangement (15) is pushed from left hand side to the right hand side of the mechanism (01) as compared to fig.15 with the help of the link from the link arrangement (15) connected to the main switch operating shaft (11), thereby transferring the motion to the rotating shaft (05) behind the mechanism causing the moving contact bridge to rotate.
  • Fig. 13 shows the main switch operating shaft (11) rotated completely and is stopped by the spacer/stopper (18).
  • the link arrangement (15) is pushed further from left hand side to the right hand side of the mechanism (01) as compared to fig.14 with the help of the link from the link arrangement (15) connected to the main switch operating shaft (1 1), thereby transferring the motion to the rotating shaft (05) behind the mechanism causing the Main switch to open.
  • the interlock link (09) is pulled by the spring to rotate in anticlockwise direction as shown in fig. 6, 7 & 9 giving operating handle (04) the access to be inserted in main switch operating shaft (1 1) or earth switch operating shaft (12) to operate the mechanism (01) resulting in Main switch ON or Earth switch ON respectively.
  • the handle is rotated in the clockwise direction for the OFF to ON operation as shown in Fig 10, 17 & 18. This rotation is transferred through the earth switch operating shaft through the link arrangement to the rotating shaft. After the dead centre is crossed the spring is allowed to expand and release the energy stored through the spring arm. This operation comes to a halt when the moving contact bridge reaches the desired design location, the earth switch is closed & the mechanism is stopped at the spacer/stopper (18). As the bridge is operated from the spring after dead centre the velocity of the contacts depends on the rate at which spring discharges required energy.
  • Fig. 17 shows the earth switch operating shaft (12) rotated clockwise partially till the dead center; here the link arrangement (15) is pushed from left hand side to the right hand side of the mechanism (01) as compared to fig.16 with the help of the link from the link arrangement (15) connected to the earth switch operating shaft (12), thereby transferring the motion to the rotating shaft (05) behind the mechanism causing the moving contact bridge to rotate.
  • Fig. 18 shows the earth switch operating shaft (12) rotated completely and is stopped by the spacer/stopper (18).
  • the link arrangement (15) is pushed further from left hand side to the right hand side of the mechanism (01) as compared to fig.17 with the help of the link from the link arrangement (15) connected to the earth switch operating shaft (12), thereby transferring the motion to the rotating shaft (05) behind the mechanism causing the earth switch to close.
  • the interlock link (09) is push by the earth- switch operating shaft (12) to rotate in anticlockwise direction as shown in fig. 10, thereby barring the access to the main switch operating shaft (11) till the earth switch is back to OFF position.
  • the interlock link (09) is pushed by a unique cut provided on the earth switch operating shaft (12) as shown in fig. 6, 11, 12 & 22.
  • the interlock link is spring loaded.
  • the unique interlocking arrangement provides an interlock in between the Main and the earth switch.
  • the spring loaded pad lock lever (19) is held in position by means of a spring as shown in fig. 24 & 25.
  • the pad lock lever is pulled to the position as shown in fig. 27 & 28, thereby barring the access to the earth switch operating shaft (12).
  • the earth switch can only be operated once the pad lock lever (19) is pulled back to its position as shown in fig. 24 & 25.
  • Fig. 29 shows Lock latch 1 (20) & lock latch 2 (21), initially lock latch 1 (20) is held in position as shown in fig. 29 by means of a spring. Once the pad lock lever (19) is pulled to a position as shown in fig. 27 & 28 after the earth switch is operated, the lock latch 1 (20) is rotated as shown by the arrow direction in fig. 29 and is locked to lock latch 2 (21) as shown in fig. 30. Thereby ensuring the position of pad lock lever (19) so that earth switch is not operated once it is in ON condition.
  • Earth switch OFF Similarly the handle is rotated in anticlockwise direction for the ON to OFF operation. This rotation is transferred through the earth switch operating shaft through the link arrangement to the rotating shaft. After the dead centre is crossed the spring is allowed to expand and release the energy stored through the spring arm. This operation comes to a halt when the moving contact bridge reaches the desired design location, the earth switch is opened & the mechanism is stopped at the spacer/stopper (18). As the bridge is operated from the spring after dead centre the velocity of the contacts depends on the rate at which spring discharges required energy.
  • Fig. 17 shows the earth switch operating shaft (12) rotated anticlockwise partially till the dead center; here the link arrangement (15) is pushed from right hand side to the left hand side of the mechanism (01) as compared to fig.18 with the help of the link from the link arrangement (15) connected to the earth switch operating shaft (12), thereby transferring the motion to the rotating shaft (05) behind the mechanism causing the moving contact bridge to rotate.
  • Fig. 16 shows the earth switch operating shaft (12) rotated completely and is stopped by the spacer/stopper (18).
  • the link arrangement (15) is pushed further from right hand side to the left hand side of the mechanism (01) as compared to fig.17 with the help of the link from the link arrangement (15) connected to the earth switch operating shaft (12), thereby transferring the motion to the rotating shaft (05) behind the mechanism causing the earth switch to open.
  • Mechanism is an arrangement for making main/earth switch ON to OFF and vice versa.
  • Switch Is an assembly of the contact system, terminals and other supporting parts.
  • Terminals Arrangement for connection for current transfer.
  • Operating handle Device used to operate the mechanism.
  • Rotating shaft Is a part of mechanism which transmits the motion from the mechanism to the moving contact bridge.
  • Gas filling valve Non return valve used for gas filling.
  • Pad locking arrangement Is an arrangement where the specific position of the mechanism is locked, so that it cannot be changed unless it is unlocked.
  • Mechanism plate Metallic plates are used to house the mechanism components.
  • Interlock link Is a spring loaded arrangement which provides interlock between main switch and earth switch.
  • Spacers Metallic tubes used for providing a gap between two mechanism plates (08) for frictionless movement.
  • Main switch operating shaft is use to operate the main switch, between ON and OFF position.
  • Earth switch operating shaft is use to operate the earth switch, between ON and OFF position.
  • Spring arm is the element that is used to align the mechanism spring (14) to its position and transfer force from the spring to the link arrangement to drive the rotating shaft (05/).
  • Mechanism spring It is an element used to store and release energy for achieving manual independence of the mechanism.
  • the spring acts as the sole energy provider to the rotating shaft (05) thus achieving a desired velocity of closure for the contacts independent of the user.
  • Motion transfer plate links the link arrangement (15) to the rotating shaft (05), thereby transferring the motion.
  • Ball bearing arrangement holds the operating shaft in desired design position.
  • Spacer/stopper Arrangement to provide and maintain designed spacing in between the mechanism plates & as a stopper for main switch and earth switch in ON & OFF position.
  • Pad lock lever Is a spring loaded component use to Barr the access to the earth switch operating shaft (12) once the earth switch in ON.
  • Lock latch 1 Is a spring loaded component use to lock the pad lock lever (12) during the pad locking operation.
  • Lock latch 2 provides a mean to lock the lock latch 1 (20) as shown in fig-

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

La présente invention concerne un mécanisme à enclenchement mécanique amélioré, à basculement double et / ou à trois positions d'un interrupteur électrique coupe-charge. Le mécanisme comporte un moyen (5) d'axe rotatif, un moyen (4) de poignée d'actionnement, un moyen (13) de bras à ressort doté d'un moyen (14) de ressort du mécanisme ; une configuration (15) de bielles, bielle (09) d'enclenchement et une pluralité de moyens d'axes d'actionnement comprenant un moyen (11) d'axe principal d'actionnement de l'interrupteur et un moyen (12) d'axe d'actionnement de terre de l'interrupteur. Le moyen (13) de bras à ressort est relié fonctionnellement au moyen (11) d'axe principal d'actionnement de l'interrupteur et au moyen (12) d'axe d'actionnement de terre de l'interrupteur. La configuration (15) de bielles comporte un connecteur de bielles de forme sensiblement triangulaire et d'autres connecteurs de bielles. La bielle (09) d'enclenchement comporte au moins deux connecteurs reliés à d'autres connecteurs formant sensiblement un 'V' au moyen d'une articulation située à une extrémité pour faciliter le mouvement de l'ensemble.
PCT/IB2011/002617 2010-11-04 2011-11-04 Mécanisme à enclenchement mécanique amélioré, à basculement double et / ou à trois positions d'un interrupteur électrique coupe-charge WO2012059811A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN3064/MUM/2010 2010-11-04
IN3064MU2010 2010-11-04

Publications (1)

Publication Number Publication Date
WO2012059811A1 true WO2012059811A1 (fr) 2012-05-10

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102881487A (zh) * 2012-09-21 2013-01-16 北京双杰电气股份有限公司 固体绝缘开关柜用联锁装置
CN103606482A (zh) * 2013-07-15 2014-02-26 日升集团有限公司 双合闸位弹簧操作机构
CN105006399A (zh) * 2015-07-10 2015-10-28 镇江华源晋昌电器有限公司 高压隔离开关三工位操作机构的限位装置
CN105428137A (zh) * 2015-12-23 2016-03-23 浙江博为电气有限公司 充气柜三工位负荷开关操作机构
CN106298387A (zh) * 2016-10-26 2017-01-04 江苏洛凯机电股份有限公司 拉簧式断路器操作机构
CN110211826A (zh) * 2019-04-26 2019-09-06 新机电器有限公司 负荷开关中的联锁机构
CN112701002A (zh) * 2020-12-14 2021-04-23 河南平高电气股份有限公司 一种三工位操动机构

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EP0448481A1 (fr) * 1990-03-22 1991-09-25 Schneider Electric Sa Mécanisme de commande d'un interrupteur à trois positions
EP0482434A2 (fr) * 1990-10-26 1992-04-29 Felten & Guilleaume Energietechnik AG Dispositif moteur à action brusque pour installations de commutation de moyenne tension
EP0593371A1 (fr) * 1992-10-13 1994-04-20 Schneider Electric Sa Mécanisme d'actionnement d'un interrupteur à trois positions
EP1659601A1 (fr) * 2004-11-18 2006-05-24 AREVA T&D AG Dispositif de commande mécanique pour un appareillage électrique à trois positions de commutation ayant un levier de sélection coopérant avec une came
EP1901323A1 (fr) * 2006-09-14 2008-03-19 Areva T&D SA Mécanisme d'interrupteur sectionneur de terre
EP1912230A2 (fr) 2006-10-07 2008-04-16 Uebigauer Elektro- und Schaltanlagen UESA GmbH Disjoncteur sectionneur avec entraînement à ressort

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
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CN102881487A (zh) * 2012-09-21 2013-01-16 北京双杰电气股份有限公司 固体绝缘开关柜用联锁装置
CN102881487B (zh) * 2012-09-21 2015-03-25 北京双杰电气股份有限公司 固体绝缘开关柜用联锁装置
CN103606482A (zh) * 2013-07-15 2014-02-26 日升集团有限公司 双合闸位弹簧操作机构
CN105006399A (zh) * 2015-07-10 2015-10-28 镇江华源晋昌电器有限公司 高压隔离开关三工位操作机构的限位装置
CN105428137A (zh) * 2015-12-23 2016-03-23 浙江博为电气有限公司 充气柜三工位负荷开关操作机构
CN106298387A (zh) * 2016-10-26 2017-01-04 江苏洛凯机电股份有限公司 拉簧式断路器操作机构
CN110211826A (zh) * 2019-04-26 2019-09-06 新机电器有限公司 负荷开关中的联锁机构
CN110211826B (zh) * 2019-04-26 2024-05-24 新机电器有限公司 负荷开关中的联锁机构
CN112701002A (zh) * 2020-12-14 2021-04-23 河南平高电气股份有限公司 一种三工位操动机构
CN112701002B (zh) * 2020-12-14 2023-08-25 河南平高电气股份有限公司 一种三工位操动机构

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