EP0277851A1 - Antrieb mit Verriegelung für einen Dreistellungsschalter - Google Patents
Antrieb mit Verriegelung für einen Dreistellungsschalter Download PDFInfo
- Publication number
- EP0277851A1 EP0277851A1 EP88400048A EP88400048A EP0277851A1 EP 0277851 A1 EP0277851 A1 EP 0277851A1 EP 88400048 A EP88400048 A EP 88400048A EP 88400048 A EP88400048 A EP 88400048A EP 0277851 A1 EP0277851 A1 EP 0277851A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit breaker
- transmission member
- crankshaft
- opening
- control
- 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
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
- H01H3/3047—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
Definitions
- the invention relates to a mechanism for controlling electrical equipment, in particular a multipole circuit breaker or a switch associated with fuses incorporated in an electrical distribution cell, in connection with connection cables, the crew mobile of the circuit breaker being capable of occupying three distinct stable positions, namely a first position for closing the contacts, a second intermediate position for opening the contacts, and a third grounding position in which the feeder cables are connected electrically grounded via the movable contacts of the corresponding phases, the kinematic chain of said mechanism comprising: - an elastic energy storage system associated with a rotary transmission member secured to the moving assembly, - control means cooperating with the energy accumulator system, for actuating the transmission member in one of the three positions, the earthing being effected from the second intermediate position O, - And means for blocking the transmission member in each of the three positions of the circuit breaker.
- a mechanism of the kind mentioned is described in French patent 2,500,222 and comprises a single spring associated with a toggle joint and a control crank.
- Such a tumbler type mechanism is perfectly suitable for switches having average breaking performance, but is not suitable for devices of higher performance, in particular circuit breakers.
- the object of the invention is to increase the power of a control mechanism, so that it can be used either in a fuse switch or in a circuit breaker.
- the mechanism according to the invention is characterized in that the energy storage system comprises a first spring arranged between a first cleat for driving the transmission member and a crankshaft wedged on a shaft extending parallel to the axis of the transmission member and a second spring interposed between a second drive stopper of the transmission member and a grounding control crank in mechanical connection with said locking means and a pivoting retaining plate cooperates on the one hand with an opening control lock by means of a one-way locking, and on the other hand with the crankshaft by means of a first latch released during the opening stroke by the action release of the first spring, following the unlocking of the lock, and of a second attachment capable of occupying an active position of positive locking of the transmission member at the start of the closing stroke of the vile brequin and an inactive position for unlocking said member.
- the mechanism according to the invention is of the hooking type particularly suitable for controlling three-position circuit breakers.
- the manual closing control is operated by means of the crankshaft having a cam cooperating with two rollers angularly offset on the retaining plate to constitute the first and second hookings.
- the retaining plate has a snap-in spout intended to lock the first drive cleat when the second latch is in the active position by the action of the crankshaft. This results in maximum compression of the first spring during the closing operation.
- the kinematic chain further comprises a braking device made active during the opening stroke after separation of the contacts to ensure temporary blocking of the transmission member.
- the transmission member advantageously has a roller capable of coming into engagement with a retractable lever in an intermediate position of the opening stroke, the braking being effected by means of a hydraulic damper.
- Such a device is particularly advantageous when the arc is cut by magnetic blowing using a permanent magnet.
- the latching-type control mechanism 10 is used to actuate the moving assembly (not shown) of a three-phase circuit breaker with separable contacts, the assembly being housed in a medium-voltage electrical distribution cell.
- the moving part of the circuit breaker can occupy three distinct stable positions, namely a position F for closing the contacts, an intermediate position O for opening and isolation after separation of the contacts, and a position T for earthing in which the start cable of each phase is electrically connected to earth by via the corresponding mobile contact of the circuit breaker.
- the latching mechanism 10 is arranged between two plates 18, 20, parallel in metallic material and comprises two springs 12, 14, of compression, with energy accumulation, capable of cooperating with a transmission member 16 integral with the drive lever of the moving crew.
- the lower spring 12 ensures the closing of the circuit breaker, while the upper spring 14 causes the opening and the earthing.
- the transmission member 16 is mounted for rotation on a transverse axis 22 between three positions ( Figures 1 to 3) angularly offset corresponding to the three positions F, O and T of the circuit breaker.
- the guide of the lower spring 12 is supported at one end on a first cleat 24 for driving the transmission member 16, and at the opposite end on a crankpin of a closing control crankshaft.
- the upper spring guide is interposed between a second drive cleat for the transmission member and an anchor point located on a grounding control crank 34.
- the crankshaft 28 is rotatably mounted on a shaft 36, and has a cam-shaped edge 38 cooperating with two rollers 40, 42, fixed at predetermined locations on a retaining plate 44.
- a locking crank 46 is pivotally mounted limited on an axis 48 to ensure the locking of the transmission member 16 in each of the positions F, O and T of Figures 1 to 3.
- a roller 50 of the locking crank 46 is intended to stop the rotational movement of the 'transmission member 16 in the open position O ( Figure 2), and in the earthed position T ( Figure 3). Between the closed F positions ( Figure 1) and the open O positions ( Figure 2) of the mechanism 10, the locking crank 46 remains stationary in abutment against a stop 52 which also serves as a stop for the transmission member 16 when this the latter is in the closed F position ( Figure 1).
- a connecting rod 54 is arranged with clearance between the crank 34 for earthing control, and the crank 46 for locking the transmission member 16, so as to allow the latter to move in rotation towards the earthing position T, when the crank 34 is actuated clockwise around its axis 35, from position O ( Figure 2) to position T ( Figure 3).
- One end of the rod 54 has an oblong opening 56 in which is housed a crank pin 58 of the earthing crank 34.
- the opposite end of the rod 54 carries a drive axis 60 capable of moving in a curvilinear groove 62 of the locking crank 46, when passing from the open position O to the earthed position T , and reciprocally.
- the retaining plate 44 is pivotally mounted on an intermediate axis 64, and is equipped with a hooking spout 66 intended to cooperate with the first cleat 24 of the transmission member 16 during the manual closing stroke of the crankshaft 28
- a lock 68 is mounted with limited rotation on an axis 70 and controls the opening of the circuit breaker by unlocking the retaining plate 44.
- a return spring biases the lock 68 clockwise towards the locked position in which the retaining plate 44 is locked unidirectionally in rotation in the trigonometric direction.
- the angular displacement of the latch 68 towards the unlocked position occurs in the trigonometric direction, either by means of an actuator 72 of automatic release controlled by a release device, or by means of a button 74 for manual opening control.
- the actuator 72 can be constituted by an electromagnetic relay, a striker of a fuse circuit breaker, and any other tripping auxiliary.
- the lock 68 comprises a latching tab 76 which cooperates in the locked position with a roller 78 located on an extension of the retaining plate 44.
- a braking system me designated by the general reference 80, comprises a retractable bent lever 82 cooperating via a driving lever 83 with a damper 84 of the hydraulic dashpot type for temporarily braking the transmission member 16 during the race opening of the mobile equipment.
- the two levers 82, 83 are mounted with limited pivoting on the same axis 86, on which is also threaded a torsion spring 88 ( Figure 1) urging the lever 82 retractable clockwise, and allowing the closing of the mechanism 10.
- a return spring (not shown) is integrated in the damper 84 to ensure the return of the retractable lever 82 in the middle active position (FIG. 1) after the thrust exerted by the roller 94 controlling the control member. transmission 16 in the intermediate position of the opening stroke.
- the operation of the mechanism 10 for controlling the three-position circuit breaker is as follows: - In the closed position F of the mechanism 10, shown in Figure 1, the transmission member 16 is in abutment against the stop 52, and is held there stably by the pressure of the lower spring 12 on the first cleat 24 drive.
- the latching tab 76 of the lock 68 is in the locked position on the roller 78, and prevents any rotation of the retaining plate 44 in the counterclockwise direction.
- the torque exerted on the transmission member 16 by the upper spring 14 is negligible compared to that generated by the lower spring 12, and the crankshaft is interposed between the two rollers 40, 42.
- the engagement of the crankshaft 28 against the roller 42 of the locked retaining plate 44 constitutes a first attachment 92, which must be released for the opening of the mechanism 10.
- the circuit breaker is opened by means of the automatic tripping actuator 72 or the manual control button 74, causing the latch 68 to pivot about the axis 70 in the counterclockwise direction and the unlocking of the retaining plate 44.
- the arrows in FIG. 1 indicate the direction of movement of the moving parts during the opening command of the mechanism 10.
- the reaction of the lower spring 12 on the crankpin 26 causes the crankshaft 28 to move in rotation in a clockwise direction, followed by the erasure of the first attachment 92 by pivoting of the retaining plate 44 in the trigonometric direction.
- the lower spring 12 expands to the right, when the cam 38 of the crankshaft 28 slides on the roller 42, and the torque exerted by the lower spring 12 on the transmission member 16 gradually decreases.
- the transmission member 16 begins to pivot counterclockwise, and is moved to the open position O.
- Temporary blocking of the moving part of the circuit breaker by the braking device 80 occurs after the separation of the contacts, during phase I of extinction of the arc (see FIG. 4).
- the length of the stroke AB of the moving assembly between the separation of the contacts, and the intervention of the braking device 80 is advantageously chosen in a range between 10 and 20 millimeters, when the circuit breaker is gaseous isolation and equipped with a magnetic blowing device by rotation of the arc by means of a permanent magnet.
- the dielectric medium is restored during the BO race of phase II after extinction of the arc and neutralization of the braking device 80.
- Figure 2 shows the mechanism 10 in the open position.
- the crankshaft 28 has made a half-turn clockwise from position F, and the transmission member 16 is in stable abutment against the roller 50 of the locking crank 46.
- the retaining plate 44 is again locked by the latch 68, and the position of the two locking cranks 46 and grounding 34 remained unchanged during the entire opening stroke.
- the erasing of the hooking spout 66 takes place automatically when the cam 38 escapes from the roller 40.
- the relaxation of the lower spring 12 to the left then causes the transmission member 16 to rotate clockwise, and the mechanism 10 returns to the closed position F ( Figure 1).
- the roller 94 of the transmission member 16 causes the lever 82 to recede without intervention of the braking device 80.
- the torsion spring 88 then returns the lever 82 to its active position, after passage of the roller 94 .
- the earthing operation is carried out manually from from the open position O (FIG. 2) of the mechanism 10, by means of an operating member (not shown) rotating the earthing crank 34 a quarter of a turn clockwise (see arrow FT on figure 2).
- the retraction of the connecting rod 54 to the right causes the locking crank 46 to tilt in a clockwise direction, allowing the pivoting member 16 to pivot in the direction of the transmission member 16 under the action of the upper spring 14.
- FIG. 3 shows the earthing position T of the mechanism 10.
- the crankshaft 28 and the retaining plate 44 have remained stationary and do not intervene during this maneuver between the opening positions O and earthing T.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Mechanisms For Operating Contacts (AREA)
- Agricultural Machines (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8700750 | 1987-01-21 | ||
FR8700750A FR2609839B1 (fr) | 1987-01-21 | 1987-01-21 | Mecanisme a accrochage de commande d'un disjoncteur a trois positions |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0277851A1 true EP0277851A1 (de) | 1988-08-10 |
EP0277851B1 EP0277851B1 (de) | 1992-04-08 |
Family
ID=9347179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88400048A Expired - Lifetime EP0277851B1 (de) | 1987-01-21 | 1988-01-11 | Antrieb mit Verriegelung für einen Dreistellungsschalter |
Country Status (11)
Country | Link |
---|---|
US (1) | US4821008A (de) |
EP (1) | EP0277851B1 (de) |
BR (1) | BR8800205A (de) |
CA (1) | CA1303655C (de) |
DE (1) | DE3869801D1 (de) |
ES (1) | ES2031609T3 (de) |
FR (1) | FR2609839B1 (de) |
IN (1) | IN170185B (de) |
PT (1) | PT86580B (de) |
TR (1) | TR23153A (de) |
YU (1) | YU47463B (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2696866A1 (fr) * | 1992-10-13 | 1994-04-15 | Merlin Gerin | Mécanisme d'actionnement d'un interrupteur à trois positions. |
EP1993115A1 (de) * | 2007-05-15 | 2008-11-19 | Schneider Electric Industries SAS | Steuervorrichtung zur Kontaktherstellung oder -unterbrechung zwischen zwei Teilen und mit dieser Vorrichtung ausgestattetes elektrisches Gerät |
CN104658805B (zh) * | 2015-02-04 | 2016-10-05 | 宁波舜利高压开关科技有限公司 | 双操作轴慢速旋转式三工位机构 |
WO2020200951A1 (de) * | 2019-03-29 | 2020-10-08 | Siemens Aktiengesellschaft | Federsystem für ein antriebssystem mit kupplung, federsystem mit kupplung, antriebssystem mit kupplung und federsystem und schaltanlage mit einem solchen antriebssystem |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5424701A (en) * | 1994-02-25 | 1995-06-13 | General Electric | Operating mechanism for high ampere-rated circuit breakers |
FR2770680B1 (fr) * | 1997-11-06 | 1999-12-03 | Schneider Electric Sa | Mecanisme de commande a bielles pour un interrupteur a trois positions |
FR2794278B1 (fr) * | 1999-05-28 | 2001-08-10 | Alstom | Dispositif de commande rapide pour un appareil de connexion a haute tension, notamment un sectionneur de terre |
KR100325408B1 (ko) * | 1999-10-26 | 2002-03-04 | 이종수 | 회로차단기용 접점개폐장치 |
DE10061164C1 (de) * | 2000-11-30 | 2002-08-22 | Siemens Ag | Schalterantrieb |
FR2925210B1 (fr) * | 2007-12-17 | 2010-01-15 | Areva T&D Ag | Commande compacte pour appareillage electrique moyennes et hautes tensions |
US8093964B2 (en) * | 2008-12-29 | 2012-01-10 | Schneider Electric USA, Inc. | Add-on trip module for multi-pole circuit breaker |
US8093965B2 (en) * | 2008-12-03 | 2012-01-10 | Schneider Electric USA, Inc. | Add-on trip module for multi-pole circuit breaker |
US8063328B2 (en) * | 2009-09-16 | 2011-11-22 | Eaton Corporation | Electrical switching apparatus and charging assembly therefor |
CN101826705B (zh) * | 2010-05-06 | 2012-04-04 | 纪元电气集团有限公司 | 高压柜行程开关控制装置 |
CN103337405B (zh) * | 2013-06-04 | 2015-06-24 | 宁波舜利高压开关科技有限公司 | 具有重合闸和接地关合功能的三工位机构及其操动方法 |
CN105006410B (zh) * | 2015-07-13 | 2018-03-30 | 国家电网公司 | 一种用于开关柜上的远程拉合断路器装置 |
CN105513848B (zh) * | 2016-01-12 | 2018-05-08 | 博纳方格(天津)电气设备有限公司 | 用于断路器的弹簧操动机构 |
CN114823207B (zh) * | 2022-03-18 | 2023-06-09 | 珠海优特电力科技股份有限公司 | 三工位刀闸开关的操作装置以及三工位刀闸开关 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3036670A1 (de) * | 1980-09-29 | 1982-04-29 | Siemens AG, 1000 Berlin und 8000 München | Antrieb fuer einen mittelspannungsschalter |
EP0058585A1 (de) * | 1981-02-13 | 1982-08-25 | Merlin Gerin | Antriebsmechanismus für elektrische Schaltgeräte mit drei getrennten Stellungen |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1137121B (it) * | 1981-04-02 | 1986-09-03 | Sace Spa | Interruttore elettrico,particolarmente limitatore di corrente |
-
1987
- 1987-01-21 FR FR8700750A patent/FR2609839B1/fr not_active Expired
-
1988
- 1988-01-11 DE DE8888400048T patent/DE3869801D1/de not_active Expired - Fee Related
- 1988-01-11 ES ES198888400048T patent/ES2031609T3/es not_active Expired - Lifetime
- 1988-01-11 EP EP88400048A patent/EP0277851B1/de not_active Expired - Lifetime
- 1988-01-18 TR TR49/88A patent/TR23153A/xx unknown
- 1988-01-18 CA CA000556733A patent/CA1303655C/en not_active Expired - Fee Related
- 1988-01-18 YU YU7888A patent/YU47463B/sh unknown
- 1988-01-18 IN IN29/MAS/88A patent/IN170185B/en unknown
- 1988-01-20 US US07/145,979 patent/US4821008A/en not_active Expired - Fee Related
- 1988-01-20 PT PT86580A patent/PT86580B/pt not_active IP Right Cessation
- 1988-01-21 BR BR8800205A patent/BR8800205A/pt not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3036670A1 (de) * | 1980-09-29 | 1982-04-29 | Siemens AG, 1000 Berlin und 8000 München | Antrieb fuer einen mittelspannungsschalter |
EP0058585A1 (de) * | 1981-02-13 | 1982-08-25 | Merlin Gerin | Antriebsmechanismus für elektrische Schaltgeräte mit drei getrennten Stellungen |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2696866A1 (fr) * | 1992-10-13 | 1994-04-15 | Merlin Gerin | Mécanisme d'actionnement d'un interrupteur à trois positions. |
EP0593371A1 (de) * | 1992-10-13 | 1994-04-20 | Schneider Electric Sa | Antrieb für einen Dreistellungsschalter |
TR27299A (tr) * | 1992-10-13 | 1994-12-29 | Merlin Gerin | Uc konumlu bir elektrik anahtarini calistirma mekanizmasi. |
US5438176A (en) * | 1992-10-13 | 1995-08-01 | Merlin Gerin | Three-position switch actuating mechanism |
EP1993115A1 (de) * | 2007-05-15 | 2008-11-19 | Schneider Electric Industries SAS | Steuervorrichtung zur Kontaktherstellung oder -unterbrechung zwischen zwei Teilen und mit dieser Vorrichtung ausgestattetes elektrisches Gerät |
FR2916300A1 (fr) * | 2007-05-15 | 2008-11-21 | Schneider Electric Ind Sas | Dispositif de commande de la mise en contact ou hors contact de deux pieces et appareil electrique comportant un tel dispositif |
AU2008202132B2 (en) * | 2007-05-15 | 2011-06-09 | Schneider Electric Industries Sas | Operating device for moving two parts into contact or out of contact and electrical apparatus comprising one such device |
CN104658805B (zh) * | 2015-02-04 | 2016-10-05 | 宁波舜利高压开关科技有限公司 | 双操作轴慢速旋转式三工位机构 |
WO2020200951A1 (de) * | 2019-03-29 | 2020-10-08 | Siemens Aktiengesellschaft | Federsystem für ein antriebssystem mit kupplung, federsystem mit kupplung, antriebssystem mit kupplung und federsystem und schaltanlage mit einem solchen antriebssystem |
WO2020201000A1 (de) * | 2019-03-29 | 2020-10-08 | Siemens Aktiengesellschaft | Kupplung, federsystem, antriebssystem mit kupplung und federsystem und schaltanlage mit diesem antriebssystem |
CN113748476A (zh) * | 2019-03-29 | 2021-12-03 | 西门子股份公司 | 用于具有耦连器的驱动***的弹簧***、具有耦连器的弹簧***、具有耦连器和弹簧***的驱动***和具有这种驱动***的开关设施 |
CN113811970A (zh) * | 2019-03-29 | 2021-12-17 | 西门子股份公司 | 联接器、弹簧***、具有联接器和弹簧***的驱动***以及具有该驱动***的开关设备 |
Also Published As
Publication number | Publication date |
---|---|
YU7888A (en) | 1990-08-31 |
CA1303655C (en) | 1992-06-16 |
US4821008A (en) | 1989-04-11 |
BR8800205A (pt) | 1988-08-30 |
FR2609839B1 (fr) | 1989-04-07 |
PT86580A (pt) | 1989-01-30 |
TR23153A (tr) | 1989-04-18 |
PT86580B (pt) | 1993-12-31 |
DE3869801D1 (de) | 1992-05-14 |
FR2609839A1 (fr) | 1988-07-22 |
ES2031609T3 (es) | 1992-12-16 |
EP0277851B1 (de) | 1992-04-08 |
IN170185B (de) | 1992-02-22 |
YU47463B (sh) | 1995-10-03 |
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