EP1968088A2 - Elektrisches Gerät für mehrpolige Abschaltung, das mit einem Antriebsmechanismus und Abschaltmodulen ausgestattet ist - Google Patents

Elektrisches Gerät für mehrpolige Abschaltung, das mit einem Antriebsmechanismus und Abschaltmodulen ausgestattet ist Download PDF

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Publication number
EP1968088A2
EP1968088A2 EP08011061A EP08011061A EP1968088A2 EP 1968088 A2 EP1968088 A2 EP 1968088A2 EP 08011061 A EP08011061 A EP 08011061A EP 08011061 A EP08011061 A EP 08011061A EP 1968088 A2 EP1968088 A2 EP 1968088A2
Authority
EP
European Patent Office
Prior art keywords
axis
frame
modules
partition
connecting 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
Application number
EP08011061A
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English (en)
French (fr)
Other versions
EP1968088B1 (de
EP1968088A3 (de
Inventor
Reynald Marin-Pache
Thierry Milan
Denis Perrin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8848752&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1968088(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP1968088A2 publication Critical patent/EP1968088A2/de
Publication of EP1968088A3 publication Critical patent/EP1968088A3/de
Application granted granted Critical
Publication of EP1968088B1 publication Critical patent/EP1968088B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H2033/6665—Details concerning the mounting or supporting of the individual vacuum bottles
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H2033/6667—Details concerning lever type driving rod arrangements
    • 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
    • H01H33/022—Details particular to three-phase circuit breakers

Definitions

  • the invention relates to an electrical switchgear device multipole, and in particular to a multipole breaking apparatus comprising vacuum ampoules.
  • the document EP 0 346 603 discloses a three-pole switchgear with three identical polar break modules arranged side by side on a chassis. Each module comprises a vacuum bulb provided with a movable control rod in translation.
  • a spring drive mechanism of known type having a pole shaft allows the driving of the control rods of the three vacuum bulbs.
  • Each control rod is connected to the pole shaft via an independent linkage, specific to the corresponding cut-off module.
  • This linkage consists of a transmission lever, arranged between two connecting rods, one of the connecting rods connecting the lever to a crank of the pole shaft and the other connecting the lever to the control rod of the bulb to empty.
  • the vacuum bulbs of the different poles are likely to be subjected, during opening and closing, to different forces.
  • the apparatus does not allow to easily vary the spacing between the vacuum bulbs of the different poles. It is true that the construction of identical and independent clipping modules theoretically allows any arbitrary provision. However, at each distance between poles corresponds to a different pole shaft, since the cranks of the pole shaft must be spaced the same distance from each other as the bulbs. However, the pole shaft is a particularly expensive part, especially since its torsional rigidity is critical. In addition, the need to provide shafts of different poles for each center distance prohibits to design the mechanism as a functional unit pre-assembled at the factory independently of the cutoff modules. The architecture does not favor the delayed differentiation of the different models of a range of switchgear.
  • An object of the invention is to provide a multipole electrical switchgear of simple design comprising a rigid support for the various parts of the apparatus. Another object is to provide an apparatus in which the breaking modules can be pre-assembled and tested at the factory, before being assembled with the mechanism and the connecting rod so as to improve the delayed differentiation. Another objective is to increase the modularity of a multipolar switchgear with independent pole break modules, allowing low cost to change the distance between poles.
  • the frame (s) is (are) fixed (s) to the partition and the base.
  • the aforementioned frame is fixed to the partition.
  • the frame (s) comprise (s) bearings for pivoting respectively (the) lever (s) transmission about the second pivot axis aforementioned.
  • the cut-off modules can then be pre-assembled and tested at the factory, before assembly with the mechanism and the connecting rod. This helps to improve the delayed differentiation.
  • a tripolar switchgear 10 is composed of a drive mechanism 12 and three identical cutoff modules 14, 16, 18, arranged side by side on the same side of a partition 20 separating them from the drive mechanism. 12.
  • the partition 20 is constituted by a sheet having three windows 22, 24, 26 and rests on a second plate 28 arranged at right angles and acting as a base.
  • the partition 20 is at ground potential and provides electrical protection to people.
  • the drive mechanism 12 may be of any known type having a pole shaft. It may be for example a mechanism of the type described in the document EP-A-0 222 645 , provided with an arming and closure subassembly comprising a closing spring, and an opening subassembly comprising an opening spring.
  • the essential point in the context of the present invention is that the mechanism comprises an output shaft, also called pole shaft.
  • the mechanism 12 is fixed on a support frame 30 and provided with a pole shaft 32 supported by bearings 34 fixed to the frame 30. The frame is itself fixed to the partition 20.
  • the pole shaft 32 comprises two double cranks 36, 38 which pass through the wall of the chassis through slots and allow the articulation between the shaft of the poles 32 and a transmission rod 40.
  • the transmission rod 40 is constituted by a flat part forming two double vee arms 42, 44, spaced from one another, and connected on the diverging end side by a base 46.
  • Each vee arm 42, 44 supports, at its convergent end, a pair of lugs 50, 52 provided with coaxial bores, forming bearings.
  • the cranks 36, 38 also comprise coaxial bores forming bearings, so that a hinge-type pivot connection is obtained between the double cranks 36, 38 of the pole shaft 32 and the rod 40 by insertion of pins 54 into each other.
  • the base 46 supports three pairs of tabs 60, 62, 64 provided with coaxial bores, forming bearings. These tabs allow, by insertion of axes 66, a hinge type connection with three double levers 70, 72, 74 belonging to the three polar modules 14, 16, 18 of the apparatus, which pass through the windows 22, 24, 26 of the partition 20.
  • the module 18 comprises a vacuum interrupter 80 supported by a frame 82.
  • the frame 82 is fixed to the wall 20 and the base 28, so that the frame 30, the plates 20, 28 and the frames 82 of the three poles form together a support 83 for the other parts of the apparatus.
  • Two connection pads 84, 86, fixed to the frame 82, are intended to electrically connect the lamp 80 to a busbar (not shown).
  • the generic expression of a vacuum bulb designates a subset of known type, comprising a cylindrical body 88 forming a chamber in which there is a relative vacuum and which encloses a pair of separable contacts 90, 92 connected to the connection pads.
  • the body 88 is itself divided into a medial insulating section 94 of insulating material, a first metal end section constituting a first closure flange 96, and a second metal end section constituting a second flange of closing 98.
  • the contact 92 is fixed and connected to the second flange 98.
  • the other contact 90 constitutes an axial end of a rod 100 movable in translation along its axis and through the body 88 of the bulb through an orifice of the flange 96.
  • the electrical connection of the rod 100 to the busbar is ensured by means of a flexible electrical connection 104, one end of which also constitutes the connection pad 84.
  • the rod 100 is connected to the double lever 74, via an insulating arm 110.
  • the insulating arm comprises a plastic body 112 overmolding on the one hand the head of a first threaded rod 114, and secondly the head of a second threaded rod 116 located in the axial extension of the first.
  • the first threaded rod 114 is screwed into a threaded blind hole located at the end of the rod 100 of the bulb 80.
  • On the second threaded rod 116 is screwed a tubular adjusting nut 118.
  • the nut 118 supports at one end a support plate 120 for one end of a contact pressure spring 122.
  • the other end of the spring 122 bears on a second plate 124, which rests on a bar 126.
  • the bar comprises a bore 128 forming a guide sleeve traversed by the tubular nut 118.
  • the bar 126 freely journalled in lateral axes 130 supported by the arms of the lever 74.
  • the sheath guide 128 allows both the translation of the nut 118 parallel to its axis and its free rotation.
  • the nut 118 has a shoulder that rests on the bar portion 126 opposite to the second plate 124.
  • the two arms of the double lever 74 pivot about an axis 132 supported by the frame 82.
  • the three breaking modules 14, 16 , 18 of the apparatus 10 being arranged side by side, the pivot axes 132 of the levers 70, 72, 74 are aligned, and parallel to the pole shaft 32.
  • the levers 70, 72, 74 are parallel.
  • the kinematic chain connecting the shaft of the poles 32 to the rods 100 of the three breaking modules 14, 16, 18 comprises a single connecting rod 40 connecting the pole shaft 32 and the three double levers 70, 72, 74 of the cutoff modules, and is extended in each module by an insulator 112, one end slides in a sheath 128 pivoting relative to the double lever 70, 72, 74, and the other end is integral with the rod 100 of the bulb 80.
  • This kinematic chain makes it possible to define five geometrical axes of parallel rotation: a first geometric axis 140 of pivoting of the pole shaft, a second geometric axis 142 of pivoting of the levers 70, 72, 74, a third geometric axis 144 of pivoting of the connecting rod relative to the cranks of the pole shaft, a fourth geometric axis 146 pivoting the rod relative to the levers, and a fifth geometric axis 148 of pivoting bars 126 relative to the levers 70, 72, 74.
  • the first axis 140 and the second axis 142 are both fixed relative to the support 83, the other axes being movable during the opening and closing sequences.
  • the movement printed on the rod 100 of the bulb 80 by this mechanism in the absence of play between the moving parts would not be perfectly rectilinear with respect to the frame 82.
  • the angle between the lever 70, 72, 74 and the rod 100 is always very close to the right angle, and the stroke of the rod 100 of the bulb between its open position and its closed position does not exceed a few millimeters, which corresponds to a rotation angle of the lever not exceeding a few degrees, so that in the absence of play, the radial movement of the rod 100 would be of the order of one hundredth of its axial stroke.
  • this clearance is absorbed by the existing gaps between the various elements of the driveline, in particular at the axes 130, 132.
  • the driveline operates in the following manner.
  • the kinematic chain is initially in the position shown in FIG. figure 2 .
  • the closing spring of the mechanism 12 drives the pole shaft 32 in the opposite direction of the clockwise, over a stroke of more than 50 °.
  • the connecting rod 40 transmits this movement uniformly to the three double levers 70, 72, 74.
  • the double lever pivots clockwise about the axis 132, driving the bar 126 which compresses the spring 122 through the plate 124.
  • the closing force is then transmitted by the spring 122 to the movable contact 90, via the plate 120, the nut 118 and the arm 110.
  • the kinematic chain is in the closed position of the figure 4 , the contacts being closed.
  • the opening spring of the mechanism 12 drives the pole shaft clockwise over a travel of more than 50 °.
  • the connecting rod 40 transmits this movement uniformly to the three double levers 70, 72, 74.
  • the double lever pivots counterclockwise about the axis 132 on the figure 4 , directly driving the bar 126, the nut 118, the insulating arm 110 and the rod 100 of the movable contact, until reaching the open position of the figure 2 .
  • the single rod 40 has a high quadratic moment with respect to an axis perpendicular to the geometric plane containing the axes of pivoting of the connecting rod with respect to the pole shaft and the double levers.
  • the base 46 preserves the desired rigidity. In other words, the forces applied to the rod in its plane are not likely to induce a significant bending of the connecting rod. Therefore, the link 40 gives the kinematic chain a high rigidity, so that even if the forces to be applied to different bulbs are different, their movement will nevertheless be simultaneous.
  • the pole shaft 32 itself is very torsionally rigid, so that it is possible to space the two hinges connecting the connecting rod 40 to the pole shaft 32 which contributes to further reinforce the rigidity of the kinematic chain.
  • the connecting rod is manufactured by cutting a sheet.
  • the levers are also made of sheet metal.
  • the electrical insulation is carried out in each breaking module thanks to the insulating arms. It should be noted that the insulating portion 112 of the arm is skirted so as to provide optimum insulation.
  • each specific link has a base of different length and especially legs 60, 62, 64 in number and variable locations.
  • the pole shaft 32 remains identical regardless of the spacing between the polar modules, which means that the mechanism 12 can be pre-assembled at the factory and forms a functional unit for the entire range.
  • the cutoff modules 14, 16, 18 are identical, regardless of the chosen spacing. This makes it possible to defer fitting of the equipment until the choice of the customer is stopped.
  • the number of modules is not limited to three: the invention also applies to dipole devices, quadrupole, or hexapole or octopole.
  • the levers 70, 72, 74 may be simple.
  • the drive mechanism can be of any type: with closing springs and distinct opening, to allow a sequence closing, arming, opening, closing, opening; single spring for closing and opening.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
EP08011061.2A 2000-03-31 2001-03-30 Elektrisches Gerät für mehrpolige Abschaltung, das mit einem Antriebsmechanismus und Abschaltmodulen ausgestattet ist Revoked EP1968088B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0004162A FR2807204B1 (fr) 2000-03-31 2000-03-31 Appareillage electrique de coupure multipolaire muni d'un mecanisme d'entrainement et de modules de coupure
EP01410033A EP1139368B1 (de) 2000-03-31 2001-03-30 Mehrpoliges elektrisches Schaltgerät mit einem Antriebsmechanismus und Schaltermodulen

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP01410033.3 Division 2001-03-30
EP01410033A Division EP1139368B1 (de) 2000-03-31 2001-03-30 Mehrpoliges elektrisches Schaltgerät mit einem Antriebsmechanismus und Schaltermodulen

Publications (3)

Publication Number Publication Date
EP1968088A2 true EP1968088A2 (de) 2008-09-10
EP1968088A3 EP1968088A3 (de) 2008-10-29
EP1968088B1 EP1968088B1 (de) 2013-09-04

Family

ID=8848752

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08011061.2A Revoked EP1968088B1 (de) 2000-03-31 2001-03-30 Elektrisches Gerät für mehrpolige Abschaltung, das mit einem Antriebsmechanismus und Abschaltmodulen ausgestattet ist
EP01410033A Expired - Lifetime EP1139368B1 (de) 2000-03-31 2001-03-30 Mehrpoliges elektrisches Schaltgerät mit einem Antriebsmechanismus und Schaltermodulen

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP01410033A Expired - Lifetime EP1139368B1 (de) 2000-03-31 2001-03-30 Mehrpoliges elektrisches Schaltgerät mit einem Antriebsmechanismus und Schaltermodulen

Country Status (8)

Country Link
US (1) US6506990B2 (de)
EP (2) EP1968088B1 (de)
CN (1) CN1172340C (de)
DE (1) DE60137880D1 (de)
EA (1) EA003758B1 (de)
FR (1) FR2807204B1 (de)
MY (1) MY117468A (de)
PL (1) PL197700B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3767657A1 (de) 2019-07-17 2021-01-20 Schneider Electric Industries SAS Aufbau eines elektrischen schaltgeräts

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US6373358B1 (en) * 2000-05-09 2002-04-16 Eaton Corporation Power circuit breaker having molded insulative casing with a dead front
US6724604B2 (en) * 2002-06-14 2004-04-20 Eaton Corporation Shorting switch and system to eliminate arcing faults in power distribution equipment
US6657150B1 (en) * 2002-06-14 2003-12-02 Eaton Corporation Shorting switch and system to eliminate arcing faults in power distribution equipment
US6747234B2 (en) * 2002-07-23 2004-06-08 Maysteel Llc High voltage interrupter
AU2003270192A1 (en) * 2003-09-13 2005-04-21 Abb Technology Ag Device for actuating an electrical switchgear
DE102005016544A1 (de) * 2005-04-08 2006-10-12 Abb Patent Gmbh Modulfront für ein Schaltanlagenmodul, Schaltanlagenmodul und elektrische Schaltanlage
EP2255423B1 (de) * 2008-02-15 2016-04-13 ABB Technology Ltd Konfigurierbarer unterbrecherschalter
CN101599388B (zh) * 2009-07-13 2012-06-27 浙江雷安电气有限公司 一种断路器绝缘拉杆
KR101100707B1 (ko) * 2009-12-31 2012-01-02 엘에스산전 주식회사 진공차단기
DE102010011997B4 (de) * 2010-03-18 2023-02-02 Siemens Aktiengesellschaft Antriebsvorrichtung für eine Spannwelle eines Federkraftantriebes eines elektrischen Schalters sowie elektrischer Schalter mit einer derartigen Antriebsvorrichtung
EP2437277B1 (de) * 2010-09-29 2014-12-24 ABB Technology AG Mittelspannungsschutzschalteranordnung
FR2972072B1 (fr) 2011-02-25 2013-02-15 Schneider Electric Ind Sas Dispositif de commande d'au moins un contact mobile et appareil electrique de coupure multipolaire comportant un tel dispositif
KR101786518B1 (ko) * 2011-04-27 2017-10-18 엘에스산전 주식회사 가스 절연 차단기용 소호부
JP5755034B2 (ja) * 2011-06-08 2015-07-29 日本高圧電気株式会社 高圧開閉器
FR2980909B1 (fr) 2011-09-30 2016-08-05 Schneider Electric Ind Sas Dispositif de debrayage de la motorisation du dispositif de rearmement du dispositif de fermeture des contacts dans un appareil de protection electrique et appareil le comportant
FR2984589A1 (fr) 2011-12-16 2013-06-21 Schneider Electric Ind Sas Dispositif de commande de la motorisation du dispositif de rearmement du dispositif de fermeture des contacts dans un appareil de protection electrique et appareil le comportant
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
FR3101191B1 (fr) 2019-09-25 2023-05-12 Schneider Electric Ind Sas Détermination d’un état d’un appareil de coupure

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EP0222645A1 (de) 1985-10-31 1987-05-20 Merlin Gerin Betätigungsmechanismus für einen Schalter mit einer Energiespeichervorrichtung
EP0346603A1 (de) 1988-06-14 1989-12-20 Sprecher Energie AG Vakuumschalteranordnung

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Publication number Priority date Publication date Assignee Title
EP0222645A1 (de) 1985-10-31 1987-05-20 Merlin Gerin Betätigungsmechanismus für einen Schalter mit einer Energiespeichervorrichtung
EP0346603A1 (de) 1988-06-14 1989-12-20 Sprecher Energie AG Vakuumschalteranordnung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3767657A1 (de) 2019-07-17 2021-01-20 Schneider Electric Industries SAS Aufbau eines elektrischen schaltgeräts
FR3098976A1 (fr) 2019-07-17 2021-01-22 Schneider Electric Industries Sas Architecture d'un appareil électrique interrupteur

Also Published As

Publication number Publication date
FR2807204B1 (fr) 2002-05-24
EP1968088B1 (de) 2013-09-04
EP1139368B1 (de) 2009-03-11
PL346749A1 (en) 2001-10-08
EP1139368A1 (de) 2001-10-04
EA200100306A3 (ru) 2001-12-24
EA200100306A2 (ru) 2001-10-22
PL197700B1 (pl) 2008-04-30
CN1319862A (zh) 2001-10-31
FR2807204A1 (fr) 2001-10-05
US20010025776A1 (en) 2001-10-04
CN1172340C (zh) 2004-10-20
EA003758B1 (ru) 2003-08-28
EP1968088A3 (de) 2008-10-29
DE60137880D1 (de) 2009-04-23
MY117468A (en) 2004-06-30
US6506990B2 (en) 2003-01-14

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