EP1476886A1 - Mecanisme de commande a ressorts pour disjoncteur a mouvement rectiligne - Google Patents
Mecanisme de commande a ressorts pour disjoncteur a mouvement rectiligneInfo
- Publication number
- EP1476886A1 EP1476886A1 EP03718871A EP03718871A EP1476886A1 EP 1476886 A1 EP1476886 A1 EP 1476886A1 EP 03718871 A EP03718871 A EP 03718871A EP 03718871 A EP03718871 A EP 03718871A EP 1476886 A1 EP1476886 A1 EP 1476886A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- opening
- closing
- circuit breaker
- control rod
- 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
Links
- 238000006073 displacement reaction Methods 0.000 title abstract 2
- 238000013016 damping Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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
- H01H3/3052—Linear spring motors
-
- 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
- H01H2003/3078—Power arrangements internal to the switch for operating the driving mechanism using spring motor using an inertia element, e.g. a flywheel, to controll the energy released by the spring
-
- 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
- H01H2003/3084—Kinetic energy of moving parts recuperated by transformation into potential energy in closing or opening spring to be used in next operation
-
- 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
- H01H2003/3094—Power arrangements internal to the switch for operating the driving mechanism using spring motor allowing an opening - closing - opening [OCO] sequence
-
- 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
- H01H3/3026—Charging means in which the closing spring charges the opening spring or vice versa
Definitions
- the present invention relates to a spring control mechanism for a rectilinear circuit breaker, making it possible to carry out a cycle: opening, closing, and reopening, said mechanism acting on a control rod of the circuit breaker. , and comprising a closing spring and an opening spring, coaxial, said opening spring being mounted around said control rod, in a fixed cylindrical casing connected to the circuit breaker, between a fixed bottom of the casing and a piece of support linked to the control rod in the vicinity of its free end.
- French patent 2,747,502 describes a circuit breaker control as above which includes a motor for resetting the closing spring controlled in both directions of rotation, which complicates the control. Furthermore, when the circuit breaker closes, the coupling between the end of the control rod and a cylinder pushed by the closing spring is carried out by means of retractable fingers, this results in a risk of scratching.
- the object of the present invention is to provide a simpler control mechanism which avoids these drawbacks and in which the excess energy stored in the closing spring is recovered.
- the invention therefore relates to a spring control mechanism for a circuit breaker with rectilinear movement, making it possible to carry out a cycle: opening, closing and reopening, said mechanism acting on a control rod of the circuit breaker, and comprising a closing spring and an opening spring, said opening spring acting on said control rod, characterized in that the closing spring acts on the end of a crank, the other end of which is linked to a shaft, integral with a flywheel, and on which is mounted a closing cam which cooperates with a rolling roller located on said control rod, in that a closing latch keeps the closing spring in the banded position, the opening of this lock releasing the closing spring and causing the rotation of said cam in the direction in which it ensures the closing of the circuit breaker and the resetting of the opening spring, and in that it comprises a motor reset coupled by means of a freewheeling mechanism, to said shaft, an opening release lock allowing the maintenance of the operating rod in the closed position of the circuit breaker against the force of said opening spring and being controllable
- FIG. 1 shows in elevation a control mechanism for a circuit breaker according to the invention in a state corresponding to the closed position of the circuit breaker and with the closed closing spring.
- Fig. 2 is a sectional view along ⁇ -II of FIG. 1.
- Fig. 3 is a sectional view along A-A of FIG. 2 showing the mechanism in the same position as figs. 1 and 2, that is to say in the closed position, bandaged closing spring, before a cycle: opening, closing, reopening of the circuit breaker.
- Fig. 4 is a partial sectional view along IV-TV of FIG. 2.
- Figs. 5 to 7 are sections according to A-A of FIG. 2, but respectively in the states corresponding to the opening, closing, reopening of the circuit breaker cycle.
- FIG. 1 there is shown diagrammatically a control mechanism with rectilinear springs for circuit breaker making it possible to perform an opening, closing, reopening cycle of the circuit breaker.
- the mechanism is shown in a state corresponding to the closed position of the circuit breaker, before such a cycle and therefore with the two springs: bandaged opening and closing.
- the circuit breaker comprises an insulating outer casing 1, partially shown, containing all of the active members and its function has been symbolically represented in the form of a switch 2 in the closed position in FIGS. 1, 2, 3 and 5 and in the open position in figs. 4 and 6.
- An operating rod 3 is connected in a known manner to the movable members.
- the control mechanism comprises a fixed mechanism body 4 comprising a cylindrical casing 5 and a chassis-housing 6 linked to each other by flanges 7, 8.
- the entire mechanism body is fixed by a flange 9 to the insulating envelope 1.
- the active parts of the mechanism firstly comprise a closing spring 10 and an opening spring 11. These springs are of the coil spring type with rectilinear and coaxial axes.
- the opening spring 11 is mounted around the operating rod 3 inside the cylindrical casing 5 fixed in abutment on the one hand against a fixed bottom 12 of the casing and on the other hand against a sliding ring 13 linked to the operating rod 3 by an axis 14 in the vicinity of the free end of the operating rod.
- the operating rod 3 ends in a yoke 15 which carries a pin 16 on which is mounted a rolling roller 17.
- the axis 16 crosses the yoke 15 right through and its ends are guided in slots 18 and 19 formed in two opposite walls 20 and 21 of the chassis-housing 6.
- the closing spring 10 surrounds the fixed cylindrical casing 5 and bears on the one hand against the shoulder formed by the flange 9 and on the other hand against a second sliding ring 22 which can slide along the cylindrical casing 5 and to which are articulated , by one of their ends, two connecting rods 23 and 24, the other end of which is articulated, for one, to a crank 25 and for the other to a flywheel 26, the crank and the flywheel being integral with a shaft 27 to which is connected a cam 28 intended to cooperate with the rolling roller 17, located at the free end of the operating rod 3, for closing the circuit breaker.
- a reset motor 29 is coupled to the shaft 27 by means of the externally toothed flywheel 26 and pinions 30, 31 and 32, the pinion 32 being a pinion with a freewheel mechanism.
- the motor 29 has a single direction of rotation driving the toothed flywheel 26 and the cam 28 in the direction indicated by the arrows F in FIGS. 1 and 3.
- the mechanism comprises an opening trigger lock 33 which enables the operating rod 3 to be placed in the position which corresponds to the closed position of the circuit breaker with the compressed opening spring 11.
- This lock supports the force of the opening spring 11 and it is controllable when the circuit breaker control system, not described, opens. Unlocking opens the circuit breaker.
- the lock 33 applies to one of the branches of the yoke 15, therefore very close to the axis of the operating rod 3.
- a closing lock 34 allows the closing spring 10 to be secured in the banded position.
- This lock is engaged on the toothed flywheel 26 and, as seen in FIG. 1, in the locked position, the closing spring 10 bandaged, the connecting rod 24 is in a position tending to drive the flywheel 26 and therefore the axle 27 and the cam 28 in the direction of the arrow F, that is to say say the same direction as the direction of drive of these same parts 26, 27, 28 by the resetting motor 29.
- the opening trigger lock 33 is replaced and the inertia acquired from the flywheel and the cam is recovered, partially recompressing the closing spring 10, the cam thus stopping in an angular position protruding, as we see it in this fig. 6, the position necessary to ensure the closing of the circuit breaker.
- Anti-return means are provided, for example at the pinions, the flywheel 26 or the reset motor 29.
- the opening release lock 33 is commanded to open and the opening spring 11 overflows causing the circuit breaker to open: the two springs 10 and 11 are overflowed, the circuit breaker is open, we are in the second position Opening of the opening, closing, opening cycle, shown in fig. 7.
- the motor 29 drives the flywheel until the cam is in the low position, spring 10 compressed and the lock 34 is prevented from blocking the flywheel: under the thrust of the spring 10 it is re-released ( cam at the top) ensuring the closing of the circuit breaker, spring 11 compressed the lock 33 is put in place, the inertia drives the flywheel and the cam a little further and the engine takes over to complete the rotation of the flywheel and the cam in the position shown in fig. 1, 2 and 3, the spring 10 is rebandée, the latch 34 is replaced.
- the freewheel pinion 32 is essential.
- the dimensioning of the reset motor 29 can be reduced.
- the mechanism comprises, as can be seen in FIGS. 2, 3, 5 to 7, a hydraulic damping device comprising a chamber
- the operating rod 3 comprises a piston 36 moving in a cylinder formed by a tube 37 pierced with holes such as 38, 39.
- the whole chamber is filled with liquid.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0202092 | 2002-02-19 | ||
| FR0202092A FR2836277B1 (fr) | 2002-02-19 | 2002-02-19 | Mecanisme de commande a ressorts pour disjoncteur a mouvement rectiligne |
| PCT/FR2003/000475 WO2003071564A1 (fr) | 2002-02-19 | 2003-02-14 | Mecanisme de commande a ressorts pour disjoncteur a mouvement rectiligne |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1476886A1 true EP1476886A1 (fr) | 2004-11-17 |
| EP1476886B1 EP1476886B1 (fr) | 2005-07-20 |
Family
ID=27636308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03718871A Expired - Lifetime EP1476886B1 (fr) | 2002-02-19 | 2003-02-14 | Mecanisme de commande a ressorts pour disjoncteur a mouvement rectiligne |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6917006B2 (fr) |
| EP (1) | EP1476886B1 (fr) |
| AT (1) | ATE300094T1 (fr) |
| AU (1) | AU2003222910A1 (fr) |
| DE (1) | DE60301055T2 (fr) |
| FR (1) | FR2836277B1 (fr) |
| WO (1) | WO2003071564A1 (fr) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK1037880T3 (da) | 1997-12-11 | 2004-11-15 | Janssen Pharmaceutica Nv | Anilider som retinsyremimetika |
| JP3861832B2 (ja) * | 2003-03-11 | 2006-12-27 | 株式会社日立製作所 | 開閉器 |
| FR2865572B1 (fr) * | 2004-01-23 | 2006-05-26 | Alstom T & D Sa | Dispositif de commande de dispositif de coupure d'energie electrique |
| US7115828B2 (en) * | 2004-04-30 | 2006-10-03 | Southern States, Inc. | Internally switched electric power interrupter |
| FR2907596B1 (fr) * | 2006-10-18 | 2009-01-23 | Areva T & D Sa | Dispositif de commande d'un appareillage electrique |
| US7319203B1 (en) * | 2007-01-10 | 2008-01-15 | Eaton Corporation | Circuit interrupter and operating mechanism therefor |
| EP2093780B1 (fr) * | 2008-02-22 | 2014-11-05 | ABB Technology AG | Unité de commande de ressort, dispositif de commande pour appareil de commutation électrique et procédé de chargement et/ou déchargement d'un ressort dans un dispositif de fonctionnement pour un appareil de commutation électrique |
| EP2317530B1 (fr) * | 2009-11-03 | 2014-02-26 | ABB Technology AG | Actionneur fonctionnant à ressort pour appareil de commutation électrique |
| KR101132909B1 (ko) * | 2011-02-08 | 2012-04-03 | 엘에스산전 주식회사 | 회로차단기의 스프링 조작기 |
| DE102012104379A1 (de) * | 2012-05-22 | 2013-11-28 | Maschinenfabrik Reinhausen Gmbh | Kraftspeicher für einen Laststufenschalter |
| CN105280406B (zh) * | 2013-04-22 | 2017-10-17 | 国网江苏省电力公司常州供电公司 | 使用安全的单相空气旁路开关 |
| DE102014212583A1 (de) * | 2014-06-30 | 2015-12-31 | Siemens Aktiengesellschaft | Vermeidung von Fehlausrichtungen einer Antriebsstange eines Leistungsschalters |
| EP3093862B1 (fr) * | 2015-05-11 | 2018-09-12 | General Electric Technology GmbH | Système de ressort pour faire fonctionner un disjoncteur |
| CN105304419B (zh) * | 2015-10-26 | 2017-05-31 | 辽宁富鹏涛特种电力设备有限公司 | 一种断路器用弹簧操动机构 |
| CN109416987B (zh) * | 2016-07-06 | 2020-06-16 | Abb瑞士股份有限公司 | 用于hv应用的快速接地开关装置 |
| EP3285276B1 (fr) * | 2016-08-19 | 2021-09-29 | General Electric Technology GmbH | Tige d'entraînement et procédé de fabrication d'une tige d'entraînement |
| EP3358587B1 (fr) * | 2017-02-03 | 2020-08-26 | ABB Schweiz AG | Appareil de commutation moyenne tension |
| DE102017222943A1 (de) * | 2017-12-15 | 2019-06-19 | Siemens Aktiengesellschaft | Anordnung und Verfahren zum Antreiben eines beweglichen Kontakts einer Vakuumschaltröhre in einem Hochspannungsleistungsschalter |
| FR3093227B1 (fr) * | 2019-02-21 | 2021-02-12 | Schneider Electric Ind Sas | Dispositif de commande de contacts d’une ampoule à vide pour appareil de connexion électrique |
| GB2600766B (en) * | 2020-11-10 | 2023-01-11 | Eaton Intelligent Power Ltd | Operating mechanism for operating at least one contact |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB537180A (en) * | 1939-12-11 | 1941-06-12 | British Thomson Houston Co Ltd | Improvements relating to closing mechanism for an electric circuit breaker |
| FR1249874A (fr) * | 1959-11-13 | 1961-01-06 | Disjoncteur rapide | |
| ATE59496T1 (de) * | 1984-08-31 | 1991-01-15 | Sprecher Energie Ag | Antriebsvorrichtung fuer einen elektrischen schalter mit druckkontakten, insbesondere fuer einen vakuumschalter. |
| FR2612570A1 (fr) * | 1987-03-17 | 1988-09-23 | Alsthom | Dispositif de stockage d'energie mecanique a force d'accrochage nulle |
| FR2714522B1 (fr) * | 1993-12-27 | 1996-02-02 | Gec Alsthom T & D Sa | Dispositif de commande linéaire pour disjoncteur. |
| US5508487A (en) * | 1994-03-30 | 1996-04-16 | Abb Power T&D Company Inc. | High voltage circuit interrupting device operating mechanism including trip latch assembly |
| FR2723252B1 (fr) * | 1994-08-01 | 1996-09-13 | Schneider Electric Sa | Mecanisme de disjoncteur equipe d'un dispositif a ccumulateur d'energie a butee d'amortissement |
| US5628394A (en) * | 1996-03-25 | 1997-05-13 | Eaton Corporation | Switchgear with top mounted vertical takeoff tripping and spring release interlock |
| FR2747502B1 (fr) | 1996-04-10 | 1998-05-15 | Gec Alsthom T & D Sa | Commande a ressorts rectilignes pour disjoncteur a haute tension |
| US5740003A (en) * | 1996-09-19 | 1998-04-14 | General Electric Company | Circuit breaker shunt trip accessory with mechanical override |
-
2002
- 2002-02-19 FR FR0202092A patent/FR2836277B1/fr not_active Expired - Fee Related
-
2003
- 2003-02-14 US US10/501,862 patent/US6917006B2/en not_active Expired - Lifetime
- 2003-02-14 AT AT03718871T patent/ATE300094T1/de not_active IP Right Cessation
- 2003-02-14 AU AU2003222910A patent/AU2003222910A1/en not_active Abandoned
- 2003-02-14 DE DE60301055T patent/DE60301055T2/de not_active Expired - Lifetime
- 2003-02-14 WO PCT/FR2003/000475 patent/WO2003071564A1/fr not_active Ceased
- 2003-02-14 EP EP03718871A patent/EP1476886B1/fr not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03071564A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2836277B1 (fr) | 2004-04-16 |
| EP1476886B1 (fr) | 2005-07-20 |
| FR2836277A1 (fr) | 2003-08-22 |
| AU2003222910A1 (en) | 2003-09-09 |
| US6917006B2 (en) | 2005-07-12 |
| DE60301055T2 (de) | 2006-05-24 |
| WO2003071564A1 (fr) | 2003-08-28 |
| US20040262141A1 (en) | 2004-12-30 |
| ATE300094T1 (de) | 2005-08-15 |
| DE60301055D1 (de) | 2005-08-25 |
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