EP0863524A1 - Commutateur pour sectionneur à cinq poles à usage d'inverseur de phases - Google Patents
Commutateur pour sectionneur à cinq poles à usage d'inverseur de phases Download PDFInfo
- Publication number
- EP0863524A1 EP0863524A1 EP98400458A EP98400458A EP0863524A1 EP 0863524 A1 EP0863524 A1 EP 0863524A1 EP 98400458 A EP98400458 A EP 98400458A EP 98400458 A EP98400458 A EP 98400458A EP 0863524 A1 EP0863524 A1 EP 0863524A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- switches
- levers
- fixed
- lever
- 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 claims description 9
- 238000010276 construction Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/54—Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch
- H01H21/58—Change-over switches without stable intermediate position
Definitions
- the invention relates to current disconnectors comprising several electrical switches and in particular five-switch disconnectors used as phase inverters in a three-phase system, for example for pumping units where the alternator becomes the engine in order to obtain reversing the direction of rotation of the rotating machine.
- FIG. 1 very schematically shows such a disconnector phase inverter comprising five switches C1 to C5. He's plugged in between three phase inputs indicated respectively by A, B, C and three outputs of phases indicated respectively by A ', B', C '.
- Each switch comprises a first fixed contact 1 and a second contact 2 which cooperates with the first contact.
- the second contact 2 is movable to occupy a first position in which it is electrically connected to the fixed contact (see switches C2, C3, C4) and a second position according to which it is separated from the fixed contact (see switches C1 and C5).
- the movable contacts 2 of the switches C1 and C4 are electrically connected to the phase input C
- the movable contacts 2 switches C2 and C5 are electrically connected to phase input A
- the movable contact 2 of the switch C3 is connected to the phase input B.
- the fixed contacts 1 of switches C1 and C2 are connected electrically at the phase output A '
- the fixed contacts 1 of the switches C4 and C5 are electrically connected to the phase output C 'and the fixed contact 1 of the switch C3 is electrically connected to phase output B '.
- this disconnector for phase inverter is summarized in the table of FIG. 2.
- switches C1 and C5 are open (these switches being in the position indicated by O) and the switches C2 to C4 are closed (these switches being in the position indicated by F).
- phase input A is electrically connected to phase output A '
- the input of phase B is electrically connected to phase output B '
- phase input C is electrically connected to the phase output C '.
- switches C1 to C5 are all open. According to this position, the isolator inputs are all separate from its outputs.
- a third position E2 of the disconnector switches C1, C3 and C5 are closed and switches C2 and C4 are open.
- phase input C is electrically connected to phase output A '
- the input of phase B is electrically connected to phase output B '
- phase input A is electrically connected to the phase output C '.
- this disconnector is designed to pass from the position E1 to position E2 (or vice versa) necessarily passing through the position E0, other connection possibilities between inputs and outputs of the disconnector being prohibited.
- the object of the invention is to propose a switch arrangement for such a disconnector for phase inverter use in which the switches are controlled by a single command while avoiding connection possibilities prohibited.
- this problem is solved using a switch electric comprising a first fixed contact and a second cooperating with the fixed contact, this second contact being movable to occupy a first position according to which it is connected to the fixed contact and a second position according to which it is separate from the fixed contact, characterized in that the second contact is arranged to move between its first position and its second position by a movement in translation in a longitudinal direction and in that the displacement of the second contact is ensured by the play of a pair of levers articulated together in rotation and comprising a first lever, one of which end is connected to the second contact via an axis of rotation movable in translation in said longitudinal direction and a second lever, one end is rotatably mounted on a fixed axis relative to the first contact.
- such a switch arrangement allows to design a disconnector with five switches functioning as phase reverser with a single three-position control and a system connecting rod connecting the second levers of the switches to the control, by a judicious choice of the ratio between the linkage kinematics and the kinematics internal electrical switches.
- Figure 1 is a very schematic representation of a disconnector comprising five switches and serving as a phase inverter.
- Figure 2 summarizes in the form of a table, the operation of such phase reversing disconnector.
- Figure 3 shows schematically a disconnector with five switches according to the invention in a first position corresponding to the position E1 of the table in FIG. 2.
- Figure 4 shows the disconnector of Figure 3 in a second position corresponding to position E0 of the table in FIG. 2.
- Figure 5 shows the disconnector of Figure 3 in a third position corresponding to position E2 of the table in FIG. 2.
- FIG 3 shows schematically five switches C1 to C5 according to the invention which are part of a so-called pentapole disconnector serving as phase inverter, similar to that shown in Figure 1, the inputs and the outputs corresponding to phases A to C and A 'to C' are however not represented.
- Each switch such as C1 includes a fixed contact 1 and a contact 2 which is movable to occupy a first position according to which it is connected to fixed contact 1 (closing position F of the switch) and a second position according to which it is separated from fixed contact 1 (opening position O of the switch).
- the movable contact 2 moves between these two positions by a translational movement in a longitudinal direction of movement indicated by 3.
- the translational movement in the direction 3 of the movable contact 2 is ensured by the play of a pair of levers L1 and L2. More specifically, the lever L1 has one end which is connected to contact 2 via an axis A1 of rotation mobile in translation in the longitudinal direction 3. The levers L1 and L2 are hinged together in rotation about an axis A2. The lever L2 has one end which is rotatably mounted on an axis A3 fixed relative to the contact 1.
- the relative angular displacement between the levers L1 and L2 is transformed in a translational movement of the movable contact 2, the choice of the length levers L1 and L2 and the relative angular displacement between these two levers for adjusting the stroke of the movable contact.
- a disconnector according to the invention with five switches electrics used as phase inverter includes a single control three-position rickshaw 4 mechanically connected to the switches by through a linkage system 5.
- the three-position control 4 is here an electric motor whose rotor A4 serves as a movement transmission device for the linkage system.
- the connecting rod system 5 comprises, for each switch C1, C2, C4 and C5, a lever L3 integral in rotation with the lever L2 of each switch and for the switch C3 a lever L4 integral in rotation with the lever L2 of this switch.
- the operation of the linkage system 5 is as follows.
- lever L6 moves in translation the control rod L5 to which it is connected.
- the displacement of this lever L5 is transformed into an angular displacement of the lever L3 associated with the switch C5.
- the translational movement of this connecting rod command L5 causes the translational movement of the control rod L5 associated with switch C4, causing the translational movement of the movable contact 2 of this switch C4, and so on for the others switches C3 to C1.
- the displacement in translation of the connecting rods command L5 is transformed by the levers L3 and L4 in a displacement angle of levers L1 and L2 of each switch C1 to C5 which in turn transforms the moving contacts 2 into translation switches C1 to C5.
- Obtaining positions E1, E0, E2 of the disconnector in accordance with table in Figure 2 is based on the ratio of the linkage kinematics and the internal kinematics of the switches, the lengths of the control rods L5 having no influence on the operation of the disconnector.
- the disconnector is shown in its position E0 in the table of the Figure 2. In this position, we see that all the movable contacts 2 of switches are separated from the fixed contacts 1.
- the levers L3 and L4 are here parallel to each other.
- the switches C1 and C5 have their levers L1 and L2 which occupy a first identical angular position.
- the levers L1 and L2 of switches C2 and C4 occupy a second identical angular position.
- the levers L1 and L2 of switch C3 occupy a third angular position intermediate to the first and second angular positions above.
- the kinematics of the levers L1 and L2 of the switch C3 is different from that of levers L1 and L2 of the switches C1, C2 and C4, C5. Furthermore, the angular position of the levers L1 and L2 of the switch C1 is symmetrical, in direction 3, at the angular position of levers L1 and L2 of switch C2.
- the lever L6 has rotated in a first direction of rotation of 90 ° relative to its position in Figure 4.
- the levers L1 and L2 of the switches C1 and C5 now occupy said second angular position so that these switches are open.
- the L2 levers of these switches have turned counterclockwise by an angle a.
- the levers L2 of the switches C2 and C4 have rotated counterclockwise by an angle a so these switches are also in a closed position.
- the L2 lever of switch C3 has rotated counterclockwise by a larger angle ⁇ that a (because the length of the lever L4 is less than the length of the levers L3) so that this switch is in the closed position.
- the lever L6 has rotated in a second direction of rotation of 90 ° relative to its position in Figure 4.
- the levers L1 and L2 of the switches C2 and C4 now occupy said first angular position and these switches are open.
- the L2 levers of these switches have therefore turned clockwise at an angle a.
- the levers L2 of switches C1 and C5 have turned clockwise by an angle a so these switches are in closed position.
- the lever L2 of the switch C3 has turned in the direction time of an angle ⁇ so that this switch is also in a position of closing.
- the transition from position E0 to the position E1 of the disconnector is obtained by a first 90 ° rotation of the rotor of command 4 and the transition from position E0 to position E2 is obtained by a second 90 ° rotation of the rotor of control 4 but in the direction reverse at the first rotation.
- the angle of rotation of the rotor A4 may be different 90 ° (for example 30 °) but an angle of 90 ° ensures no reversibility of the transmission of the command on the move.
- the length of the rod L6 is chosen according to the power of control 4 and the effort required to move the movable contacts 2.
- linkage system 5 can be replaced by a gear system or a cable system.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Breakers (AREA)
- Mechanisms For Operating Contacts (AREA)
- Inverter Devices (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
Description
Claims (4)
- Un commutateur électrique comprenant un premier contact fixe (1) et un second (2) coopérant avec le contact fixe, ce second contact (2) étant mobile pour occuper une première position (F) selon laquelle il est relié au contact fixe et une seconde position (O) selon laquelle il est séparé du contact fixe, caractérisé en ce que le second contact (2) est agencé pour se déplacer entre sa première position et sa seconde position par un mouvement en translation selon une direction longitudinale (3) et en ce que le déplacement du second contact est assuré par le jeu d'une paire de leviers (L1,L2) articulés entre eux en rotation et comprenant un premier levier (L1) dont une extrémité est reliée au second contact par l'intermédiaire d'un axe (A1) de rotation mobile en translation selon ladite direction longitudinale et un second levier (L2) dont une extrémité est montée à rotation sur un axe (A3) fixe par rapport au premier contact.
- Un sectionneur comportant une pluralité de commutateurs électriques (C1 à C5) selon la revendication 1 et dans lequel le second levier (L2) de chaque commutateur est relié à un système d'embiellage (5) lui-même relié à une commande à trois positions (4).
- Le sectionneur selon la revendication 2, dans lequel le système d'embiellage comprend des troisièmes leviers (L3,L4) solidaires respectivement en rotation des seconds leviers (L2) et un ensemble de bielles de commande (L5) articulées en rotation les unes à la suite des autres et aux troisièmes leviers (L3,L4), l'une de ces bielles étant reliée à la commande à trois positions (4) par l'intermédiaire d'un quatrième levier (L6).
- Le sectionneur selon la revendication 3 comprenant cinq commutateurs électriques (C1 à C5), et dans lequel le système d'embiellage (5) est agencé de telle façon que pour une première position du système d'embiellage, les contacts mobiles (2) des cinq commutateurs sont tous séparés des contacts fixes (1), pour une seconde position du système d'embiellage, les contacts mobiles (2) de deux commutateurs électriques (C1,C5) sont séparés de leurs contacts fixes (1) respectifs et les contacts mobiles (2) des trois autres commutateurs électriques (C2,C3,C4) sont reliés à leurs contacts fixes (1) respectifs, et pour une troisième position du système d'embiellage, les contacts mobiles (2) de ces deux premiers commutateurs électriques (C1,C5) et le contact mobile (2) d'un (C3) des trois autres commutateurs électriques sont reliés à leurs contacts fixes (1) respectifs tandis que les contacts mobiles (2) des deux autres commutateurs électriques (C2,C4) sont séparés de leurs contacts fixes (1) respectifs.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9702349 | 1997-02-27 | ||
FR9702349A FR2760125B1 (fr) | 1997-02-27 | 1997-02-27 | Commutateur pour sectionneur a cinq poles a usage inverseur de phases |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0863524A1 true EP0863524A1 (fr) | 1998-09-09 |
EP0863524B1 EP0863524B1 (fr) | 2004-07-21 |
Family
ID=9504243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98400458A Expired - Lifetime EP0863524B1 (fr) | 1997-02-27 | 1998-02-26 | Commutateur pour sectionneur à cinq poles à usage d'inverseur de phases |
Country Status (6)
Country | Link |
---|---|
US (1) | US5936213A (fr) |
EP (1) | EP0863524B1 (fr) |
AT (1) | ATE271714T1 (fr) |
CA (1) | CA2228662C (fr) |
DE (1) | DE69825091T2 (fr) |
FR (1) | FR2760125B1 (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19913059C2 (de) * | 1999-03-17 | 2001-02-15 | Siemens Ag | Hochspannungsleistungsschalter, insbesondere in dreipoliger Ausführung |
EP1284491B1 (fr) * | 2001-08-15 | 2006-12-27 | ABB Schweiz AG | Appareil de commutation |
DE10261855B3 (de) * | 2002-12-20 | 2004-08-05 | Siemens Ag | Leistungsschalter |
DE102006033515A1 (de) * | 2006-07-14 | 2008-01-17 | Siemens Ag | Antriebsanordnung mit einer gemeinsamen Antriebseinrichtung für mehrere Schaltpole eines elektrischen Schaltgerätes |
CA2576846A1 (fr) * | 2007-02-02 | 2008-08-02 | General Electric Canada | Inverseur de marche |
CN101728140B (zh) * | 2008-10-27 | 2012-04-18 | 国网电力科学研究院 | 一种高压、超高压大电流断路器 |
US9844898B2 (en) | 2011-09-30 | 2017-12-19 | Apple Inc. | Mirror feature in devices |
US8859920B2 (en) | 2011-10-25 | 2014-10-14 | Apple Inc. | Shim sleeve for pivoting buttons |
US20130112536A1 (en) * | 2011-11-03 | 2013-05-09 | Apple Inc. | Slide switch |
EP3007906A2 (fr) | 2013-06-09 | 2016-04-20 | Apple Inc. | Éléments formés au laser |
US9790126B2 (en) | 2013-09-05 | 2017-10-17 | Apple Inc. | Opaque color stack for electronic device |
US9727178B2 (en) | 2013-09-05 | 2017-08-08 | Apple Inc. | Opaque white coating with non-conductive mirror |
US9629271B1 (en) | 2013-09-30 | 2017-04-18 | Apple Inc. | Laser texturing of a surface |
CN103560043A (zh) * | 2013-10-11 | 2014-02-05 | 韶关市盈科电气实业有限公司 | 一种隔离开关结构 |
US9806642B2 (en) * | 2014-11-06 | 2017-10-31 | Rockwell Automation Technologies, Inc. | Modular multiple single-pole electromagnetic switching system and method |
WO2018045484A1 (fr) | 2016-09-06 | 2018-03-15 | Apple Inc. | Marquage par blanchiment au laser d'une surface anodisée |
US10919326B2 (en) | 2018-07-03 | 2021-02-16 | Apple Inc. | Controlled ablation and surface modification for marking an electronic device |
US11200386B2 (en) | 2018-09-27 | 2021-12-14 | Apple Inc. | Electronic card having an electronic interface |
US11571766B2 (en) | 2018-12-10 | 2023-02-07 | Apple Inc. | Laser marking of an electronic device through a cover |
US11299421B2 (en) | 2019-05-13 | 2022-04-12 | Apple Inc. | Electronic device enclosure with a glass member having an internal encoded marking |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2080311A5 (fr) * | 1970-02-27 | 1971-11-12 | Coq Nv | |
US3800103A (en) * | 1971-12-29 | 1974-03-26 | Multi Contact Ag | Polarity reversing switch |
US4357502A (en) * | 1980-12-22 | 1982-11-02 | Westinghouse Electric Corp. | Phase reversal switch mechanism |
DE3810453A1 (de) * | 1987-04-09 | 1988-10-27 | Asea Brown Boveri | Mehrphasiger hochspannungsschalter |
EP0541078A2 (fr) * | 1991-11-08 | 1993-05-12 | Asea Brown Boveri Ab | Interrupteur polyphasé à haute tension |
EP0663675A1 (fr) * | 1994-01-12 | 1995-07-19 | Gec Alsthom T&D Ag | Interrupteur multipolaire pour en- ou déclenchementéchelonné |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5107081A (en) * | 1987-10-26 | 1992-04-21 | Mitsubishi Denki Kabushiki Kaisha | Operating mechanism for gas filled switchgear |
EP0405253A1 (fr) * | 1989-06-30 | 1991-01-02 | Sprecher Energie AG | Disjoncteur triphasé à isolation gazeuse |
-
1997
- 1997-02-27 FR FR9702349A patent/FR2760125B1/fr not_active Expired - Fee Related
-
1998
- 1998-02-25 US US09/030,502 patent/US5936213A/en not_active Expired - Fee Related
- 1998-02-26 CA CA002228662A patent/CA2228662C/fr not_active Expired - Fee Related
- 1998-02-26 AT AT98400458T patent/ATE271714T1/de not_active IP Right Cessation
- 1998-02-26 EP EP98400458A patent/EP0863524B1/fr not_active Expired - Lifetime
- 1998-02-26 DE DE69825091T patent/DE69825091T2/de not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2080311A5 (fr) * | 1970-02-27 | 1971-11-12 | Coq Nv | |
US3800103A (en) * | 1971-12-29 | 1974-03-26 | Multi Contact Ag | Polarity reversing switch |
US4357502A (en) * | 1980-12-22 | 1982-11-02 | Westinghouse Electric Corp. | Phase reversal switch mechanism |
DE3810453A1 (de) * | 1987-04-09 | 1988-10-27 | Asea Brown Boveri | Mehrphasiger hochspannungsschalter |
EP0541078A2 (fr) * | 1991-11-08 | 1993-05-12 | Asea Brown Boveri Ab | Interrupteur polyphasé à haute tension |
EP0663675A1 (fr) * | 1994-01-12 | 1995-07-19 | Gec Alsthom T&D Ag | Interrupteur multipolaire pour en- ou déclenchementéchelonné |
Also Published As
Publication number | Publication date |
---|---|
US5936213A (en) | 1999-08-10 |
EP0863524B1 (fr) | 2004-07-21 |
CA2228662C (fr) | 2004-06-15 |
DE69825091D1 (de) | 2004-08-26 |
DE69825091T2 (de) | 2005-07-28 |
CA2228662A1 (fr) | 1998-08-27 |
FR2760125A1 (fr) | 1998-08-28 |
ATE271714T1 (de) | 2004-08-15 |
FR2760125B1 (fr) | 2003-08-22 |
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