EP1476886B1 - Mecanisme de commande a ressorts pour disjoncteur a mouvement rectiligne - Google Patents
Mecanisme de commande a ressorts pour disjoncteur a mouvement rectiligne Download PDFInfo
- Publication number
- EP1476886B1 EP1476886B1 EP03718871A EP03718871A EP1476886B1 EP 1476886 B1 EP1476886 B1 EP 1476886B1 EP 03718871 A EP03718871 A EP 03718871A EP 03718871 A EP03718871 A EP 03718871A EP 1476886 B1 EP1476886 B1 EP 1476886B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- opening
- closing
- operating rod
- operating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000006073 displacement reaction Methods 0.000 title 1
- 240000008042 Zea mays Species 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
- 238000013016 damping Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
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 drive mechanism for circuit breaker with rectilinear movement, to perform 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 spring opening being mounted around said control rod, in a cylindrical casing fixture connected to the circuit breaker, between a fixed base of the housing and a support piece connected to the rod of control near its free end.
- French Patent 2,747,502 and the patent "GB 537 180 A” describes a circuit breaker control as above. which comprises a reset spring reset motor controlled in both directions of rotation which complicates the order. Moreover, when closing of the circuit-breaker, the coupling between the end of the control rod and a cylinder pushed by the closing spring is effected by means of retractable fingers, this results in a risk of scratching.
- the present invention aims to propose a control mechanism avoiding these disadvantages, simpler and in which the excess energy stored in the closing spring is recovered.
- the subject of the invention is thus a spring-loaded control mechanism for circuit breaker with rectilinear movement, allowing to perform 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 spring opening acting on said control rod, characterized in that the spring of closing acts on the end of a crank, whose other end is linked to a tree, 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 latch closing mechanism makes it possible to keep the closing spring in a bandaged position, the opening of this latch releasing the closing spring and causing the rotation of said cam in the direction in which it closes the circuit breaker and resets the opening spring, and in that it comprises a coupled rearming motor, via a freewheel mechanism, to said shaft, an opening trigger lock allowing the maintaining the operating rod in the closed position of the circuit breaker against the force of said opening spring and being controllable at the opening
- FIG. 1 Referring to figs. 1, 2, 3 and 4, we see schematically represented a spring-loaded control mechanism for a circuit breaker for performing a cycle opening, closing, reopening 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 so with both springs: opening and closing bandaged.
- the circuit breaker comprises an insulating outer casing 1, partially represented, containing all the active organs, and its symbolically function in the form of a switch 2 in the closed position in FIGS. 1, 2, 3 and 5 and in open position in fig. 4 and 6.
- An operating rod 3 is connected in a manner known to the moving parts.
- the control mechanism has a fixed mechanism body 4 comprising a cylindrical housing 5 and a chassis housing 6 connected to each other by flanges 7, 8. The entire mechanism body is fixed by a flange 9 to the insulating jacket 1.
- the active parts of the mechanism comprise first a closing spring 10 and a 11. These springs are of the spiral spring type with straight axes and coaxial.
- the opening spring 11 is mounted around the operating rod 3 to the inside of the cylindrical housing 5 fixed in support on the one hand against a fixed bottom 12 of the housing and secondly against a sliding ring 13 connected to the operating rod 3 by an axis 14 in the vicinity of the free end of the operating rod.
- the operating rod 3 is terminated by a clevis 15 which carries an axis 16 on which is mounted a roller 17.
- the axis 16 passes through the clevis 15 from one end to the other and its ends are guided through lights 18 and 19 formed in two opposite walls 20 and 21 of the chassis housing 6.
- the closing spring 10 surrounds the fixed cylindrical housing 5 and bears on the one hand against the shoulder that forms the flange 9 and on the other hand against a second sliding ring 22 slidable along the cylindrical housing 5 and which are articulated, by one of their ends, two connecting rods 23 and 24 whose other end is articulated, for one, to a crank 25 and for the other to a flywheel 26, the crank and the flywheel being secured to a shaft 27 which is connected to a cam 28 for cooperate with the 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 via the flywheel 26 externally toothed and gears 30, 31 and 32, the pinion 32 being a pinion with freewheel mechanism.
- the motor 29 is in a single direction of rotation, resulting in the toothed wheel 26 and the cam 28 in the direction indicated by the arrows F in Figs. 1 and 3.
- the mechanism includes an opening trigger lock 33 which allows the stem of 3 in the position corresponding to the closed position of the circuit breaker with the opening spring 11 compressed.
- This latch supports the force of the opening spring 11 and is controllable to the opening by the control system, not described, of the circuit breaker. Unlocking causes the breaker to open.
- the lock 33 as can be seen well fig. 2 applies to one of the branches of the clevis 15, so very close to the axis of the stem of actuating 3.
- a closing latch 34 makes it possible to maintain the closing spring 10 in the bandaged position.
- This lock is engaged on the toothed wheel 26 and, as seen on fig. 1, in the locked position, the closed closing spring 10, the connecting rod 24 is in a position tending to drive the wheel 26 and thus the axis 27 and the cam 28 in the direction of the arrow F that is to say the same direction as the direction of training of these same parts 26, 27, 28 by the reset motor 29.
- the cam 28, as we see fig. 1, 2 and 3 is in a position to open the circuit breaker if the opening trigger lock 33 is triggered: this is the case of the position represented fig. 5.
- the opening trigger lock 33 is controlled at the opening and the opening spring 11 disengages causing the opening of the circuit breaker: the two springs 10 and 11 are overflowed, the circuit breaker is open, one is in the position second Open cycle opening, closing, opening, shown in fig. 7.
- the motor 29 drives the steering wheel until the cam is in the low position, spring 10 tablet and prevents the latch 34 from locking the steering wheel: under the thrust of the spring 10 it re-debonds (cam at the top) closing the circuit breaker, spring 11 compresses the lock 33 puts in place, the inertia drives the steering wheel and the cam a little further and the engine resumes the relay to complete the rotation of the steering wheel and the cam in the position shown in fig. 1, 2 and 3, the spring 10 is rebaged, the latch 34 is put back in place.
- the freewheel gear 32 is essential.
- the sizing of the reset motor 29 can be reduced.
- the mechanism comprises, as seen on the FIGS. 2, 3, 5 to 7, a hydraulic damping device comprising a chamber 35, above the fixed base 12, in the cylindrical casing 5.
- the stem of operation 3 comprises a piston 36 moving in a cylinder formed by a tube 37 pierced with holes such as 38, 39.
- the entire chamber is filled with a liquid.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Mechanisms For Operating Contacts (AREA)
Description
Claims (6)
- Mécanisme de commande à ressorts pour disjoncteur à mouvement rectiligne, permettant d'effectuer un cycle : ouverture, fermeture et réouverture, ledit mécanisme agissant sur une tige de commande (3) du disjoncteur, et comprenant un ressort de fermeture (10) et un ressort d'ouverture (11), ledit ressort d'ouverture (11) agissant sur ladite tige de commande (3), caractérisé en ce que le ressort de fermeture (10) agit sur l'extrémité d'une manivelle (25), dont l'autre extrémité est liée à un arbre (27), solidaire d'un volant d'inertie (26), et sur lequel est montée une came de fermeture (28) qui coopère avec un galet de roulement (17) situé sur ladite tige de commande (3), en ce qu'un verrou de fermeture (34) permet de maintenir le ressort de fermeture (10) en position bandée, l'ouverture de ce verrou libérant le ressort de fermeture (10) et provoquant la rotation de ladite came (28) dans le sens où elle assure la fermeture du disjoncteur et le réarmement du ressort d'ouverture (11), et en ce qu'il comprend un moteur de réarmement (29) accouplé, par l'intermédiaire d'un mécanisme à roue libre (32), audit arbre (27), un verrou déclencheur d'ouverture (33) permettant le maintien de la tige de manoeuvre (3) en position fermée du disjoncteur contre l'effort dudit ressort d'ouverture (11) et étant commandable à l'ouverture.
- Mécanisme de commande à ressorts selon la revendication 1, caractérisé en ce que lesdits ressorts de fermeture et d'ouverture sont rectilignes et coaxiaux à ladite tige de commande (3).
- Mécanisme de commande à ressorts selon la revendication 1 ou 2,
caractérisé en ce que ledit ressort d'ouverture (11) est monté autour de ladite tige de commande (3), dans un carter cylindrique fixe (5) lié au disjoncteur, entre un fond fixe (12) du carter et une pièce d'appui (13) liée à la tige de commande au voisinage de son extrémité libre. - Mécanisme de commande à ressorts selon la revendication 3, caractérisé en ce que ledit ressort de fermeture (10) entoure ledit carter cylindrique et prend appui d'une part contre un épaulement (9) dudit carter (5) et d'autre part contre un anneau (22) coulissant le dong dudit carter, au moins une bielle (23) étant articulée d'une part audit anneau coulissant (22) et d'autre part à l'extrémité de ladite manivelle (25).
- Mécanisme de commande à ressorts selon une des revendications 1 à 4, caractérisé en ce que ledit galet de roulement (17) est situé à l'extrémité libre de ladite tige de commande (3).
- Mécanisme de commande à ressorts selon la revendication 5, caractérisé en ce que ladite tige de manoeuvre (3) est entourée d'un dispositif d'amortissement hydraulique qui comprend une chambre (35) en forme de cylindre creux dont le fond et le couvercle sont traversés par ladite tige de manoeuvre et d'un piston (36) solidaire de ladite tige de manoeuvre.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0202092A FR2836277B1 (fr) | 2002-02-19 | 2002-02-19 | Mecanisme de commande a ressorts pour disjoncteur a mouvement rectiligne |
FR0202092 | 2002-02-19 | ||
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 EP1476886A1 (fr) | 2004-11-17 |
EP1476886B1 true 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 |
---|---|---|---|---|
AU2160899A (en) | 1997-12-11 | 1999-06-28 | Janssen Pharmaceutica N.V. | Retinoic acid mimetic anilides |
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 |
ES2462751T3 (es) * | 2009-11-03 | 2014-05-26 | Abb Technology Ag | Un accionador operado por resorte para un aparato de conmutación eléctrica |
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 |
WO2018006952A1 (fr) * | 2016-07-06 | 2018-01-11 | Abb Schweiz Ag | Dispositif rapide de sectionneur de terre pour applications ht |
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 AT AT03718871T patent/ATE300094T1/de not_active IP Right Cessation
- 2003-02-14 DE DE60301055T patent/DE60301055T2/de not_active Expired - Lifetime
- 2003-02-14 AU AU2003222910A patent/AU2003222910A1/en not_active Abandoned
- 2003-02-14 US US10/501,862 patent/US6917006B2/en not_active Expired - Lifetime
- 2003-02-14 EP EP03718871A patent/EP1476886B1/fr not_active Expired - Lifetime
- 2003-02-14 WO PCT/FR2003/000475 patent/WO2003071564A1/fr not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US20040262141A1 (en) | 2004-12-30 |
FR2836277B1 (fr) | 2004-04-16 |
WO2003071564A1 (fr) | 2003-08-28 |
US6917006B2 (en) | 2005-07-12 |
DE60301055D1 (de) | 2005-08-25 |
FR2836277A1 (fr) | 2003-08-22 |
ATE300094T1 (de) | 2005-08-15 |
AU2003222910A1 (en) | 2003-09-09 |
DE60301055T2 (de) | 2006-05-24 |
EP1476886A1 (fr) | 2004-11-17 |
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