EP2747109B1 - Commutateur - Google Patents

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Publication number
EP2747109B1
EP2747109B1 EP13199133.3A EP13199133A EP2747109B1 EP 2747109 B1 EP2747109 B1 EP 2747109B1 EP 13199133 A EP13199133 A EP 13199133A EP 2747109 B1 EP2747109 B1 EP 2747109B1
Authority
EP
European Patent Office
Prior art keywords
contact
arc
switching device
quenching
guide rails
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.)
Active
Application number
EP13199133.3A
Other languages
German (de)
English (en)
Other versions
EP2747109A1 (fr
Inventor
Ralf Thar
Johannes Meissner
Volker Lang
Karsten Gerving
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.)
Eaton Electrical IP GmbH and Co KG
Original Assignee
Eaton Electrical IP GmbH and Co KG
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
Application filed by Eaton Electrical IP GmbH and Co KG filed Critical Eaton Electrical IP GmbH and Co KG
Priority to PL13199133T priority Critical patent/PL2747109T3/pl
Publication of EP2747109A1 publication Critical patent/EP2747109A1/fr
Application granted granted Critical
Publication of EP2747109B1 publication Critical patent/EP2747109B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H33/182—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/443—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/36—Metal parts

Definitions

  • the invention relates to a switching device suitable for a DC operation, which comprises at least one contact pair having a first contact and a second contact, wherein at least the second contact is movable to the first contact comprises.
  • It is a quenching device having a quenching chamber for extinguishing an arc occurring between the contacts, a first track arrangement for conducting an arc with a first current direction in a first direction in said quenching chamber and a second track arrangement for conducting an arc with a second current direction in a second Direction provided in said quenching chamber.
  • the two track assemblies each include a first track and a second track, the first two tracks extending from the first contact in opposite directions and the two second tracks extending from the second contact in opposite directions.
  • switching devices which have one or more current paths, which in turn comprise fixed and movable contacts.
  • the movable contacts are movable together between a closed position, in which touch the associated movable and fixed contacts, and an open position, in which forms a separation distance between the mutually associated movable and fixed contacts.
  • arcs are formed along the separation sections. The burning time of the arcs determines the switching time since the current flow between the contacts is maintained.
  • a large amount of heat is released by the arcs, which lead to the thermal destruction of the contacts and parts of the switching chamber in the immediate vicinity of the contacts and thus to reduce the life of the switching device.
  • the arcs are subdivided, for example, into individual partial arcs. Once the arc voltages are higher than the driving voltages, the arcs are safely erased.
  • An initially mentioned switching device is from the EP 2 061 053 A2 known.
  • To provide a switching device for DC applications there is proposed to use the housing of a switching device for AC applications, wherein additionally at least one magnet is provided which has a magnetic field with substantially transverse to the separation paths of the current paths of the AC switching device field lines.
  • the housing In the housing, three receiving areas are provided for each one flow path, wherein each current path is associated with a movable switching contact element and two opposing fixed switching contact elements.
  • the three movable switching contact elements are in this case jointly movable between a closed position, which corresponds to the switched-on state of the switching device, and an open position, which corresponds to a switched-off state of the switching device.
  • each current path has two separating sections which, when the movable switching contact elements are open, form between the ends thereof and the first and second stationary switching contact elements assigned to these ends. When the switching contact elements are opened, an arc forms along the separating sections, which arc can be extinguished with the aid of the arc-extinguishing devices. Because in DC applications, erasing an arc is not due to a Zero crossing of the current, as can be achieved in AC applications, it requires the provision of a magnetic field in most DC applications, which drives the arc in one of the arc quenching equipment.
  • This magnetic field is formed by permanent magnets, wherein a magnetic field is established with field lines in an orientation which extend transversely to the separation paths and generate a Lorentz force on arcs along these separation lines, which drives the arcs towards one of the arc extinguishing devices.
  • an arc is driven between a first contact pair in the direction of a first arc quenching device and the arc between a second contact pair in a second arc quenching device. Since the movement of the arcs depends on the current direction, the switching device is suitable only for one direction of current, ie polarity.
  • the switching device were also operated in a reverse current direction, the arcs would not be driven into the arc extinguishing devices, but in the opposite direction to a switching bridge. Even if one reversed the magnetic polarity of one of the arc extinguishing devices, one of the arcs would always run in the direction of the switching bridge, which would result in a reduced service life, since the switching bridge or other components would be permanently damaged or even destroyed.
  • the EP 0 789 372 B1 also shows a switching device of the type mentioned above, according to the preamble of claim 1.
  • a fixed contact is in this case provided with a fixed sheet traveler, which is designed circular arc.
  • a movable sheet traveler is provided, which can form an arc between the two bow travelers, which is moved via the arc runner assembly depending on the direction of current in different directions.
  • the latter is deflected about a center either in a first direction of rotation or in a second direction of rotation opposite to the first direction of rotation, wherein the center corresponds to the center of the stationary sheet traveler.
  • An arc having a first current direction is directed into a first arcuate channel and an arc having a second current direction opposite to the first current direction is directed into a second arcuate channel.
  • the two Bogenorganize extend around the center around and are separated by an insulating wall, juxtaposed.
  • the bow traveler channels are each part of an extinguishing device for extinguishing the arc.
  • the extinguishing devices further comprise quenching plates that extend radially with respect to the stationary blade traveler are arranged. The quenching plates are arranged such that they cover both Bogenorganizrkanäle and thus are part of both extinguishing devices.
  • the resulting arcing arc is driven in a permanent magnetic blower field in a quenching chamber, for example, a Deion-quenching chamber to extinguish the arc.
  • a quenching chamber for example, a Deion-quenching chamber to extinguish the arc.
  • the rails of the arc guiding devices each extend from the contacts outwardly diverging.
  • the switching arc is driven immediately after its formation due to the effective Lorentz force always away from the switch contacts along one of the two usually diametrically diverging track assemblies in the direction of the quenching chamber, where it usually goes out very soon upon reaching the driving voltage.
  • Object of the present invention is to provide a switching device that safely extinguishes arcs and has a longer life even at high currents and voltages.
  • a switching device suitable for a DC operation which comprises at least one pair of contacts having a first contact and a second contact, wherein at least the second contact to the first contact is mobile.
  • a quenching device is provided with at least one quenching chamber for extinguishing an arc occurring between the contacts, wherein the quenching chamber is formed as a deion-quenching chamber with a plurality of mutually electrically isolated, electrically conductive and mutually parallel quenching plates.
  • a first track assembly is for directing an arc having a first current direction in a first direction
  • a second track assembly is for directing an arc having a second current direction into said quench chamber.
  • the two track assemblies each include a first track and a second track, the first two tracks extending from the first contact in opposite directions and the two second tracks extending from the second contact in opposite directions.
  • the first rails are connected to each other in the form of a closed loop electrically conductive. According to the invention, the rails are electrically conductively connected to one another on a side of the second contact facing away from the first contact.
  • closed loop means that there is a kind of closed electrical circuit that can be any geometric shape, for example in the form of a ring.
  • rails are to be regarded as “closed” if they have short interruptions, as long as the interruptions can be bridged by arcs readily.
  • the quenching device has exactly one quenching chamber and the running-rail arrangements are designed in such a way that the arc is guided into the one quenching chamber independently of the current direction and the running direction of the arc.
  • the track assemblies consist of several parts, which are positively connected with each other during assembly.
  • the two first rails can be connected to each other via a connecting bracket.
  • the connecting bracket has a recess, wherein the recess extends for centering of the arc approximately centrally along the closed loop, ie in the direction of movement of the foot of the arc.
  • the bases of an arc preferably run along sharp, conductive edges. If the outer edges of the bracket are covered by adjacent housing walls, the arc is advantageously passed to the edges of the central recess. As a result, a centering of the arc is achieved, which is offset only by half the cut-out width of the ideal center. In addition, through the recess gases that arise during switching, be blown out.
  • the two first rails form a substantially U-shaped, one-piece guide piece, so that advantageously eliminates connection points.
  • the guide piece can be designed as an advantageously shaped molding or inexpensive as a simple stamped and bent part.
  • the first contact is formed on the one-piece guide piece.
  • a recess is provided on the one-piece guide piece, wherein the guide piece can be placed on a fixed contact carrier such that the first contact protrudes through the recess.
  • the case advantageously applied to the slopes of the contact, preferably resiliently running edges of the recess thereby make an electrical connection between the contact and the guide piece ago.
  • the arc does not have to overcome any insulating solder material in this embodiment, but can easily pass from the contact on the Leit Gla.
  • the first two rails can accommodate the quenching chamber between them to effectively direct the arc into the quenching chamber.
  • the quenching chamber is preferably formed as a deion-quenching chamber with a plurality of mutually electrically isolated, electrically conductive and mutually parallel quenching plates.
  • the two second rails can be connected to each other in the form of a closed loop electrically conductive.
  • the two second rails are preferably electrically conductively connected to one another on a side of the second contact facing away from the first contact.
  • the track ends bent in the direction of the (solder side) contact bottom are lengthened in such a way that an almost or completely closed loop, e.g. in the form of a ring or an ellipse.
  • the second rails are therefore annularly connected to each other and are particularly designed in one piece.
  • the second contact is arranged on a movable contact piece for the first contact and that the second rails are formed by a common separate integral component which is connected to the contact piece.
  • this track assembly may be advantageous from two individual components of each simple geometry.
  • the components When mounting the device, the components are firmly connected together in a suitable manner.
  • the advantage of easier manufacturability can be in a running rail as a separate component from a lighter and more thermally stable material to avoid the disadvantage of electrically good conducting, but relatively heavy and soft copper.
  • At least one of the rails at least partially in the direction of the arc have a respective other running rail projecting increase.
  • this can be achieved by inserting indentations that run in the middle of the rails either over the entire length or in critical subregions.
  • At least one arc runner arrangement is provided, which generates a magnetic field at least in the area of the contact pairs.
  • the arc runner assembly may include an outer pole member and an inner pole member, wherein both pole members are configured as U-shaped profiles each having a base land and two pole plates projecting from the base land.
  • the inner pole element is in this case preferably arranged within the outer pole element, wherein between the base webs of the two pole elements at least one permanent magnet is arranged and that between each pole plate of the outer pole element and a pole plate of the inner pole element is a contact pair.
  • the electrical switching device 1 comprises a total of two poles, i.
  • Two current paths namely a first current path 2 and a second current path 3.
  • more than two current paths can be provided, wherein preferably two current paths in pairs, as described below, are provided.
  • the two current paths 2, 3 are each provided with a switching arrangement, as explained in more detail below, and can thus be electrically interrupted.
  • the two current paths 2, 3 can each be integrated into a DC circuit and serve to interrupt a current flow.
  • FIG. 1 shows here the switching device 1 with a housing 6 and the therein current paths 2, 3.
  • Die FIG. 2 which together with the following FIG. 1 is described, shows the two current paths 2, 3.
  • the switching device 1 comprises a housing 6, in which the switch arrangement are received as explained below.
  • the current paths 2, 3 run side by side from a first side 16 of the switching device 1 to a second side 17 of the switching device 1.
  • the first current path 2 comprises a first terminal 4 and a second terminal 5 for connecting the first current path 2 with terminals of a DC circuit.
  • the two terminals 4, 5 are located on opposite sides of the switching device 1 and protrude out of the housing 6.
  • the second current path 3 has a first connection 4 'and a second connection 5', the first connection 4 'being arranged on the same connection side as the first connection 4 of the first flow path 2.
  • the second connection 5' being the second flow path 3 is disposed on the same terminal side as the second terminal 5 of the first current path 2.
  • the first terminal 4 leads to a first contact pair 7, which is arranged in a first switching chamber 13 of the housing 6.
  • the second connection 5 leads to a second contact pair 8, which is arranged in a second switching chamber 14 of the housing 6.
  • the two switching chambers 13, 14 are electrically insulated from each other in the housing 6 and arranged in a direction from the first terminal 4 to the second terminal 5 one behind the other and in register with each other.
  • the first terminal 4 is electrically connected to a contact carrier in the form of a fixedly held fixed contact carrier 11, on which a first contact 9 of the first contact pair 7 is arranged.
  • a second contact 18 is movably arranged.
  • the second contact 18 is in the in FIGS. 1 and 2 shown representations vertically adjustable.
  • the second contact 18 is provided on an electrically conductive contact carrier in the form of a bridge contact piece 15, which is adjustable via a switching bridge 20.
  • a bridge contact piece 15 which is adjustable via a switching bridge 20.
  • the first contact 9 and the second contact 18 are held in contact with each other.
  • the first contact 9 and the second contact 18 are kept out of contact with each other.
  • the second terminal 5 leads to a first contact 10 of the second contact pair 8, which is arranged on a further contact carrier in the form of a stationary held fixed contact carrier 12.
  • a second contact 19 held movable which is also arranged on the bridge switching piece 15 and is electrically connected to the second contact 18 of the first contact pair 7.
  • the fixed contact carriers 11, 12 of both current paths 2, 3 are arranged such that the first contacts (fixed contacts) are arranged on a common axis, wherein the axis runs parallel to a main extension direction of the two current paths 2, 3.
  • an erasing device 21, 22 is provided on the side of the first contact 9, 10 facing away from the respective second contact 18, 19, wherein the two erasing devices 21, 22 of the two contact pairs 7, 8 are constructed identically.
  • a first erasing device 21 is assigned to the first contact pair 7 and a second erasing device is assigned to the second contact pair 8.
  • Both extinguishing devices each comprise extinguishing plates 23, which are arranged electrically isolated from each other in parallel to each other and are themselves electrically conductive. They thus form a Deion-quenching chamber.
  • the arc runner arrangement 24 comprises an outer pole element 25 and an inner pole element 26.
  • the two pole elements 25, 26 each have a base web 27, 28, protruding from each of which a first pole plate 29, 30 and a second pole plate 31, 32, the two Pole plates 29, 39, 31, 32 of a pole element 25, 26 parallel to each other.
  • the inner pole member 26 is made smaller in size than the outer pole member 25, so that the inner pole member 26 can be disposed within the outer pole member 25.
  • all the pole plates 29, 30, 31, 32 of the two pole elements 25, 26 are arranged parallel to and spaced from each other. Between the two base webs 27, 28 of the two pole elements 25, 26, a distance is likewise provided, wherein a permanent magnet 33 is arranged between the two base webs 27, 28. Between the two first pole plates 29, 30, the first contact pair 7 and between the two second pole plates 31, 32, the second Contact pair 8 arranged. Between the first pole plate 30 and the second pole plate 32 of the inner pole member 26, the switching bridge 20 is arranged.
  • FIG. 6 The exact structure can also be the FIG. 6 be removed. It can be seen that in the base web 27 of the outer pole member 25, a plurality of openings 34 is provided. These serve to receive blow-out channels 35 of an insulating element 36.
  • the insulating member 36 isolates the two switching chambers 13, 14 from each other, wherein the Ausblaskanäle 35 serve to blow out arc gases from the switching chambers 13, 14 to the outside.
  • the individual pole plates 29, 30, 31, 32 are arranged transversely to the current paths 2, 3 and cause a Lorentz force on an arc, which forms between the contacts 9, 10, 18, 19, so that the arc in the extinguishing device 21, 22 can be driven.
  • FIG. 3 shows a cross section through the first switching chamber 13. It can be seen that for guiding an arc, which forms between the first contact 9 and the second contact 18, a first slide assembly 37 and a second slide assembly 38 are provided.
  • the first rail arrangement 37 serves to guide an arc with a first current direction into the first erasing device 21.
  • the second track arrangement 38 serves to guide an arc with a second current direction into the first erasure device 21.
  • the magnetic field lines are perpendicular to the arc, so that there is one Lorentz force is applied, which expels the arc laterally from the first contact pair 7.
  • the first track assembly 37 serves to guide the arc.
  • the second track assembly 38 serves to guide the arc.
  • Both rails arrangement 37, 38 each have a first rail 39, 40 and a second rail 41, 42, between which the arc is formed further.
  • the first rails 39, 40 are connected to the first fixed contact carrier 11 ( FIG. 4 ).
  • the second rails 41, 42 are connected to the bridge contact piece 15, wherein the second rails 41, 42 are represented by an integral (one-piece) component which once around the side facing away from the first contact 9 around, so a closed loop in the form of a Rings represents.
  • the first track 39 of the first track assembly 37 extends in FIG. 3 initially to the left and then 90 ° deflected upward, wherein the distance between the first track 39 and the second track 41 increases successively.
  • the arc is therefore formed between these two rails 39, 41 continues and is driven by the first pair of contacts 7 in a first direction of flow to the left and then upwards.
  • the arc is successively driven into the gaps between the individual quenching plates 23.
  • the Ausblaskanäle 35 are then provided to blow out the arc gases from the housing 6.
  • the second track assembly 38 is constructed mirror-symmetrically identical.
  • An arc of comparatively low energy is in the first quenching device 21 in the form of a Deion-quenching chamber due to the formation of multiple partial arcs and the cooling effect of the quenching plates 23 lose so much energy that the driving voltage is reached very quickly and the arc goes out.
  • an arc of comparatively high energy content for example in a highly inductive circuit, it may happen that the arc after entering the quenching chamber 21 has lost only a portion of its energy and the individual partial arcs under the effect of Permanent magnetic blow field, the extinguishing chamber 21 in full length, then finally commute to the connecting web of fixed contact side rails 39, 40.
  • an arc bridge forms between the outermost (longer) metal sheet of the quenching chamber 21 and the immediately opposite lateral limb of the fixed contact side rails 39, 40, as a result of which the arc then runs again in the direction of the contacts 9, 18.
  • the arc can then run along the rails 39, 40, 41, 42 in the direction of the quenching chamber 21 again. With sufficient residual energy, one or more additional cycles may form until the arc finally has lost enough energy to extinguish it.
  • FIG. 4 shows the second current path 3
  • the first rails 39, 40 of the two slide assemblies 37, 38 are connected at their end remote from the first contact 7 via a connecting bracket 45 with each other.
  • FIG. 5 is a perspective view of the bridge switching piece 15 is shown, it being understood that the bridge switching piece 15 is constructed in two parts, namely a contact carrier member 43 to which the second contacts 18, 19 are fixed, and a running rail member 44 which the second rails 41, 42 for the first contact pair 7 and the second contact pair 8 forms.
  • FIGS. 8 and 9 each show perspective views of the second current path according to FIG. 4 .
  • FIGS. 8 and 9 will be discussed below on two advantageous modified embodiments relating to the track assembly.
  • the arc often has to overcome even insulating solder material, which makes the transition difficult.
  • the two first rails 39, 40 form a substantially U-shaped, one-piece guide piece 50, so that connecting points advantageously omitted here.
  • the first contacts 9 ', 10' are formed on the one-piece guide pieces 50.
  • the designed as a casting or hot pressing guide piece 50 here also has an embossing or contouring 46 to keep the arc from the edges of the guide piece.
  • FIG. 9 an alternative embodiment of the one-piece guide piece 50 is shown with a recess 51, wherein the guide pieces 50 so on the fixed contact carrier 11 ', 12' can be placed, that the first contacts 9 ', 10' protrude through the recesses 51.
  • the thereby advantageously on the slopes of the contacts 9 ', 10' adjacent, preferably resiliently executed edges of the recesses 51 thereby make an electrical connection between the contacts 9 ', 10' and the guide pieces 50 ago.
  • the guide piece 50 can advantageously be carried out inexpensively as a simple stamped and bent part here.
  • FIG. 10 is a perspective view of the second flow path according to FIG. 4 to see with a further modification of the track assembly.
  • the track assemblies consist of several parts, which can be positively connected to each other during assembly.
  • the two first rails 39, 40 may be connected to each other via a connecting bracket 45.
  • the connecting bracket 45 has a recess 52, wherein the recess 52 extends for centering of the arc approximately centrally along the closed loop, ie in the direction of movement of the foot of the arc.
  • the bases of an arc preferably run along sharp, conductive edges.
  • the arc is advantageously directed to the edges of the central recess 52.
  • a centering of the arc is achieved, which is offset only by half the cut-out width of the ideal center.
  • gases that arise during switching be blown out.
  • the connecting bracket 45 is shown with the recess 52 as a single part. This can be advantageously produced by means of a cutting punch.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)

Claims (12)

  1. Appareil de commutation (1), convenant pour un fonctionnement en courant continu, comprenant au moins une paire de contacts (7, 7' ; 8, 8'), dans lequel la paire de contacts présente un premier contact (9, 9', 10, 10') et un second contact (18, 18', 19, 19'), dans lequel au moins le second contact est mobile par rapport au premier contact, dans lequel un dispositif de désamorçage (21, 21', 22, 22') comprenant au moins une chambre de désamorçage est prévu afin de désamorcer un arc électrique se formant entre les premiers contacts et les seconds contacts, dans lequel la chambre de désamorçage est réalisée sous la forme d'une chambre de désamorçage par désionisation avec une pluralité de tôles de désamorçage (23) isolées électriquement les unes des autres, électroconductrices, comprenant un premier ensemble de rails de roulement (37) servant à acheminer un arc électrique selon une première direction de courant et comprenant un deuxième ensemble de rails de roulement (38) servant à acheminer un arc électrique selon une deuxième direction de courant dans la chambre de désamorçage évoquée, dans lequel les deux ensembles de rails de roulement (37, 38) présentent respectivement un premier rail de roulement (39, 40) et un second rail de roulement (41, 42), dans lequel les deux premiers rails de roulement (39, 40) s'étendent en partant du premier contact (9, 9', 10, 10') dans des directions opposées et les deux seconds rails de roulement (41, 42) s'étendent en partant des seconds contacts (18, 18', 19, 19') dans des directions opposées,
    caractérisé en ce
    que les tôles de désamorçage (23) sont disposées de manière parallèle les unes par rapport aux autres, et
    que les premiers rails de roulement (39, 40) sont reliés les uns aux autres de manière électroconductrice sur un côté, opposé au premier contact (9, 9', 10, 10'), du second contact (18, 18', 19, 19') sous la forme d'une boucle fermée.
  2. Appareil de commutation selon la revendication 1,
    caractérisé en ce
    que les premiers rails de roulement (39, 40) logent entre eux la chambre de désamorçage.
  3. Appareil de commutation selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que les deux premiers rails de roulement (39, 40) sont reliés entre eux par l'intermédiaire d'un étrier de liaison (45).
  4. Appareil de commutation selon la revendication 3,
    caractérisé en ce
    que l'étrier de liaison (45) présente un évidement (52), dans lequel l'évidement s'étend, aux fins du centrage de l'arc électrique, approximativement au centre le long de la boucle fermée.
  5. Appareil de commutation selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que les deux seconds rails de roulement (41, 42) sont reliés entre eux de manière électroconductrice sous la forme d'une boucle fermée.
  6. Appareil de commutation selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que les deux seconds rails de roulement (41, 42) sont reliés entre eux de manière électroconductrice sur un côté, opposé au premier contact (9, 9', 10, 10'), du second contact (18, 18', 19, 19').
  7. Appareil de commutation selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que les deux premiers rails de roulement (39, 40) forment une pièce conductrice (50) en une partie présentant sensiblement une forme de U.
  8. Appareil de commutation selon la revendication 7,
    caractérisé en ce
    que le premier contact (9', 10') est réalisé au niveau de la pièce conductrice (50) en une partie.
  9. Appareil de commutation selon la revendication 7,
    caractérisé en ce
    qu'un évidement (51) est prévu au niveau de la pièce conductrice (50) en une partie, dans lequel la pièce conductrice peut être posée sur un support de contact solide (11', 12') de telle manière que le premier contact (9', 10') traverse l'évidement (51) de part en part en le dépassant.
  10. Appareil de commutation selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    qu'au moins un des rails de roulement (39, 40, 41, 42) présente, au moins en partie dans la direction de déplacement de l'arc électrique, une partie surélevée (46) faisant saillie par rapport à l'autre rail de roulement (39, 40, 41, 42) respectif.
  11. Appareil de commutation selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    qu'un ensemble entraîneur d'arc électrique (24, 24') présente, afin de produire un champ magnétique dans la zone des paires de contacts, un élément polaire extérieur (25, 25') et un élément polaire intérieur (26, 26'), dans lequel les deux éléments polaires (25, 25', 26, 26') sont configurés sous la forme de profilés en forme de U avec respectivement une nervure de base (27) et deux plaques polaires (29, 30, 31, 32) faisant saillie de la nervure de base (27).
  12. Appareil de commutation selon la revendication 11,
    caractérisé en ce
    que l'élément polaire intérieur (26, 26') est disposé à l'intérieur de l'élément polaire extérieur (25, 25'), dans lequel au moins un aimant permanent (33) est disposé entre les nervures de base (27) des deux éléments polaires (25, 25', 26, 26'), et
    en ce qu'une paire de contacts est disposée entre respectivement une plaque polaire (29, 30, 31, 32) de l'élément polaire extérieur (25, 25') et une plaque polaire (29, 30, 31, 32) de l'élément polaire intérieur (26, 26').
EP13199133.3A 2012-12-20 2013-12-20 Commutateur Active EP2747109B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13199133T PL2747109T3 (pl) 2012-12-20 2013-12-20 Łącznik

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DE102013111953.0A DE102013111953A1 (de) 2012-12-20 2013-10-30 Schaltgerät

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DE102014119475B4 (de) * 2014-12-22 2024-02-08 Eaton Intelligent Power Limited Lichtbogenleitanordnung für eine Schaltgerät und ein Schaltgerät mit solch einer Lichtbogenleitanordnung
US9673004B1 (en) * 2016-03-25 2017-06-06 Eaton Corporation Electrical switching apparatus, and arc chamber assembly and associated circuit protection method
DE102017106300B4 (de) * 2017-03-23 2023-07-27 Schaltbau Gmbh Schaltgerät mit verbesserter permanentmagnetischer Lichtbogenlöschung
GB2575684A (en) * 2018-07-20 2020-01-22 Eaton Intelligent Power Ltd Switching device and switching arrangement
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DE102013111953A1 (de) 2014-06-26
US20140175057A1 (en) 2014-06-26
PL2747109T3 (pl) 2017-05-31
EP2747109A1 (fr) 2014-06-25
US9418804B2 (en) 2016-08-16

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