EP3238223B1 - Dispositif à tôles d'extinction pour un appareil de commutation - Google Patents

Dispositif à tôles d'extinction pour un appareil de commutation Download PDF

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Publication number
EP3238223B1
EP3238223B1 EP15817213.0A EP15817213A EP3238223B1 EP 3238223 B1 EP3238223 B1 EP 3238223B1 EP 15817213 A EP15817213 A EP 15817213A EP 3238223 B1 EP3238223 B1 EP 3238223B1
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EP
European Patent Office
Prior art keywords
plates
extinguishing
guide
arc
plate
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.)
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Application number
EP15817213.0A
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German (de)
English (en)
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EP3238223A1 (fr
Inventor
Karsten Gerving
Volker Lang
Johannes Meissner
Ralf Thar
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 Intelligent Power Ltd
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Eaton Intelligent Power Ltd
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Priority to PL15817213T priority Critical patent/PL3238223T3/pl
Publication of EP3238223A1 publication Critical patent/EP3238223A1/fr
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Publication of EP3238223B1 publication Critical patent/EP3238223B1/fr
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Classifications

    • 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
    • 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
    • H01H9/302—Means for extinguishing or preventing arc between current-carrying parts wherein arc-extinguishing gas is evolved from stationary parts
    • 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
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • 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
    • H01H2009/367—Metal parts defining a recurrent path, e.g. the subdivided arc is moved in a closed path between each pair of splitter plates

Definitions

  • the invention relates to a quenching plate arrangement for a switching device with a plurality of quenching plates for splitting and / or length of an arc, and with at least one guide plate, the quenching plates being arranged essentially next to one another in a stack and the guide plate delimiting the stack laterally, the guide plate protrudes the quenching plates in a main direction of extent; and a switching device suitable for DC operation, with at least a first contact and a second contact, at least the second contact being movable with the first contact, with a first track arrangement for guiding an arc with a first current direction and with a second track arrangement for guidance an arc with a second current direction, the two track arrangements each having a first track and a second track, the first two tracks running in opposite directions starting from the first contact and the two second tracks proceeding in opposite directions starting from the second contact, and wherein the first running rails are connected to one another in an electrically conductive manner in the form of a closed loop, with such a quenching plate arrangement.
  • Switching devices which have one or more current paths, which in turn comprise fixed and movable contacts, are mostly used to switch off currents in consumer networks.
  • the movable contacts can be moved jointly between a closed position in which the mutually associated movable and stationary contacts touch and an open position in which a separation path is formed between the mutually associated movable and stationary contacts.
  • a separation path is formed between the mutually associated movable and stationary contacts.
  • the arcs release a large amount of heat, which leads to thermal destruction of the contacts and parts of the switching chamber in the immediate vicinity of the contacts, thereby reducing the service life of the switching device. It is therefore desirable to extinguish the arcs as quickly as possible, which can be done, for example, by arc quenching devices. These extinguishing devices divide the arcs into individual partial arcs, for example. As soon as the sum of the partial arc voltages is higher than the driving voltages, the arcs extinguish.
  • Switching devices for direct current applications do not automatically interrupt the arc, as is the case with every zero crossing of the alternating current.
  • So-called blow magnets are therefore used in direct current applications, which generate a directed magnetic field in which the arcs are deflected by the Lorentz force, which is used to drive the arcs to the arc quenching devices.
  • the arc voltage is increased by stretching, cooling and dividing the arc into partial arcs, thereby extinguishing the arc.
  • a corresponding switching device, suitable for DC operation, is for example from the EP 2 747 109 A1 is known in which an extinguishing device is provided for extinguishing an arc, with a first track arrangement for guiding an arc with a first current direction and with a second track arrangement for guiding an arc with a second current direction into the said extinguishing chamber.
  • the two running rail arrangements each have a first running rail and a second running rail, the two first running rails running in opposite directions starting from a fixed contact and the two second running rails running in opposite directions starting from a movable contact.
  • JP S63 264829 A discloses a quenching plate arrangement for a switching device with a plurality of quenching plates for dividing and / or length of an arc, and with at least one guide plate, the guide plate having a slot.
  • An object of the invention is to propose a quenching plate arrangement with which the service life of switching devices is extended, in which switching arcs are fed by an energy, which is stored in particular in an inductive portion in a circuit, so that one enters the quenching chamber Arc, the energy released by the inductors has to be released with a time delay before it goes out, which is associated with a longer burning time of the arc.
  • the quenching plate arrangement according to the invention for a switching device has a multiplicity of quenching plates for dividing and / or lengthing an arc, and at least one guide plate, the quenching plates being arranged essentially next to one another to form a stack and the guide plate laterally delimiting the stack.
  • the quenching plates and the guide plate are essentially plate-shaped components, which consequently have a length in a main direction of extension and a width, each of which is substantially greater than the thickness of the components.
  • the components in the sense of the invention are arranged side by side to form a stack, if the planes spanned by the length and width are arranged parallel to each other.
  • the expression "essentially next to one another” means that the quenching plates and the guide plate cannot be arranged exactly parallel to one another, that is to say that adjacent quenching plates form an angle with one another or with the guide plate.
  • a gap is usually formed between adjacent quenching plates so that no quenching plate touches another.
  • the guide plate projects beyond the extinguishing plates in the main direction of extension, that is to say in length.
  • the extinguishing plates can be about the same length or different lengths from each other, but none is as long as the guide plate.
  • the guide plate has a slot, the slot extending from an end of the guide plate which is remote from the quenching plates.
  • An advantage of the quenching plate arrangement with a slotted guide plate is that an arc is provided with an additional guide, the slit being provided for quickly guiding the arc into the stack of quenching plates and thus out of the area of a switching chamber in which an accumulation of ionized gases should be avoided.
  • the guide plate is expressly not an arc guide rail, but part of the quenching plate arrangement.
  • the slot extends over a partial length of the guide plate, the partial length being restricted in particular to a part of the guide plate projecting beyond the extinguishing plates.
  • a delay in the progress of the arc is advantageous in order to dissipate as much energy as possible due to the high arc voltage in the quenching chamber before the arc under certain circumstances runs back to the contacts and is driven into the extinguishing plates again.
  • This advantageously increases the dwell time of the arc in the area of the quenching plates and shortens it in the area outside the quenching plates.
  • the slot opens into a recess at an end closer to the quenching plates, the recess having a greater width than the slot.
  • the slot widens at its end. The larger recess allows the arc to be held longer and leads to less stress due to the thermal action at the end of the slot.
  • the recess tapers from a V-shaped end connected to the slot. This means that the slot forms an arrow shape with the recess. Since the slot opens into the wide part of the V-shaped or triangular recess, the duration of the arc is increased in order to allow it to penetrate between as many, preferably all, quenching plates as possible, where the arc is divided into partial arcs, in this way to achieve the highest possible multiplication of the arc voltage.
  • an edge at least in sections along the slot and along the recess has a bevel on both sides. This advantageously increases the dwell time of the arc at the edge.
  • the slot opens into a V-shaped notch at the end of the guide plate which is remote from the quenching plates.
  • a notch on the input side makes it easier to pick up the arc and quickly feed it to the slot.
  • an intermediate plate is arranged on a side of the guide plate facing away from the quenching plates arranged in a stack, the intermediate plate being longer than the quenching plates and shorter than the guide plate. Furthermore, a distance between the first guide rails of the switching device and the respectively adjacent intermediate plates and a distance between the intermediate plates and the respectively adjacent guide plates is provided, which is in each case smaller than a distance between the extinguishing plates to one another, by a dwell time of the arc in the area increase and avoid short-circuiting.
  • the intermediate plates preferably also have V-shaped notches on the inlet side.
  • two guide plates are provided, the guide plates delimiting the stack on both sides.
  • the embodiment is provided for switching devices in which the direction in which the arc is driven is not known from the outset, that is to say for polarity-independent switching devices.
  • the two guide plates are then preferably configured essentially identically and are arranged mirror-symmetrically to one another, that is to say opposite one another at both ends of the stack of quenching plates.
  • the second guide plate advantageously fulfills a partitioning function by preventing a short circuit on the inactive guide rail of the switching device by the second guide plate.
  • quenching plate arrangement can be analogously transferred to the embodiment with two guide plates.
  • two intermediate plates can preferably be provided, each flanking the guide plates on the outside.
  • the quenching plate arrangement is also preferably designed as a deion quenching chamber with a multiplicity of electrically conductive, quenching plates and guide plates, which are electrically insulated from one another, and, if appropriate, intermediate plates.
  • Another object of the invention relates to a switching device, suitable for direct current operation, with at least one contact pair, the contact pair having a first contact and a second contact, at least the second contact being movable with the first contact, an extinguishing device having at least one arcing chamber for An arc occurring between the first contacts and the second contacts is provided, with a first track arrangement for guiding an arc with a first current direction and with a second track arrangement for guiding an arc with a second current direction into the quenching chamber, the two track arrangements, each have a first running rail and a second running rail, the two first running rails, starting from the first contact, running in opposite directions and the two second running rails, starting from the second contact, running in opposite directions Set directions run, wherein the first rails are connected to each other in an electrically conductive manner in the form of a closed loop.
  • closed loop means that a type of closed electrical circuit results, which can be of any geometric shape, for example in the form of a ring.
  • rails are also considered to be closed in the sense of the invention if they have short interruptions as long as the interruptions can be easily bridged by arcs.
  • the closed loop ensures that an arc that runs completely through the quenching plates cannot form again on the back as a stationary burning arc that would damage the housing of the switching device. Instead, the arc is in the permanent magnetic Blowing field kept in a continuous movement, which first leads it back to the contacts and then in a renewed run of the extinguishing device.
  • the first tracks are connected to each other by a bracket behind the extinguishing device.
  • the quenching device advantageously has exactly one quenching chamber and the guide rail arrangements are designed in such a way that the arc is conducted into one quenching chamber regardless of the direction of current and the direction of the arc.
  • a quenching plate arrangement as described hereinbefore, is arranged within the closed loop formed by the first running rails, so that the thermal load on individual areas within the switching chamber is significantly reduced and the arc remains longer in the area of the quenching plate arrangement, which increases the life expectancy of the switching chamber overall increased.
  • an extinguishing plate arrangement with two guide plates is provided, the two second running rails being arranged between the two guide plates when the contacts are open.
  • the two second running rails are preferably also connected to one another in an electrically conductive manner in the form of a closed loop.
  • Figure 1 shows a cross section through a switching chamber 1 of a switching device according to the invention with a first embodiment of a quenching plate arrangement 21 according to the invention.
  • a switching chamber 1 of a switching device for guiding an arc, not shown, which is formed between a first contact 9 and a second contact 18 when the contacts 9, 18 are separated, there are two Track arrangements, namely a first track arrangement 37 and a second track arrangement 38, are provided.
  • the first track arrangement 37 is used to conduct an arc with a first current direction into an extinguishing device, here the quenching plate arrangement 21 according to the invention.
  • the second guide rail arrangement 38 serves to conduct an arc with an opposite second current direction into the same quenching plate arrangement 21.
  • the corresponding switching device with a plurality of switching chambers 1 is in the document EP 2 747 109 A1 , to which reference is hereby made, is described in detail and is not described in detail here.
  • Both running rail arrangements 37, 38 each have a first running rail 39, 40 and a second running rail 41, 42, between which the arc continues to develop.
  • the first rails 39, 40 are connected to the fixed contact 9.
  • the second tracks 41, 42 are connected to a bridge contact piece 15 and the moving contact 18, wherein the second tracks 41, 42 can be formed by an integral component, which runs around the side facing away from the first contact 9, i.e. a closed loop in the form of a ring.
  • the closed track arrangement 41, 42 starting from the movable second contact 18 is arranged eccentrically in the interior of the closed track arrangement 39, 40 of the fixed contact 9, in such a way that in two areas, the fixed-contact-side running rail arrangement 39, 40 each runs parallel to the moving-contact-side running rail arrangement 41, 42.
  • the distance between the running rails is minimal, while the distance in the opposite parallel zone, into which the quenching plate arrangement 21 is arranged, is considerably larger.
  • the first running rail 40 of the first running rail arrangement 37 initially runs to the left and then deflected upward by 90 °, the distance between the first running rail 40 and the second running rail 41 gradually increasing.
  • the arc therefore continues to form between these two rails 40, 41 and is driven by the contact pair 9, 18 to the left and then upwards in a first current direction.
  • the arc will run along the rear side of the bridge contact piece 15 facing away from the first contact 9, the arc being driven successively into the gaps between the individual quenching plates 23.
  • Blow-out channels 35 are provided on the upper side of the switching chamber 1 in order to blow out arc gases from the switching chamber 1.
  • the second guide rail arrangement 38 is constructed identically in mirror symmetry.
  • an arc bridge is finally formed between the side plate of the quenching plate arrangement 21 and the opposite side leg of the guide rails 39, 40 on the fixed contact side, as a result of which the arc then runs again in the direction of the contacts 9, 18.
  • the arc can then run again along the running rails 39, 40, 41, 42 in the direction of the quenching plate arrangement 21. If there is sufficient residual energy, one or more further running cycles can form until the arc finally all the energy of the circuit has degraded so that it goes out.
  • the quenching plate arrangement 21 has a multiplicity of quenching plates 23 for dividing and / or length of the arc, and two guide plates 53, the quenching plates 23 being arranged essentially next to one another to form a stack and the guide plates 53 laterally delimiting the stack.
  • the quenching plates 23 and the guide plates 53 are essentially plate-shaped components and a wiping is formed between adjacent quenching plates 23, so that no quenching plate 23 touches another.
  • the guide plates 53 project beyond the extinguishing plates 23 in their main direction of extension, that is to say in length.
  • the extinguishing plates 23 are of equal length here, but could also be of different lengths to a certain extent.
  • no quenching plate 23 is as long as the guide plates 53.
  • a distance between two adjacent quenching plates 23 varies, so the quenching plates 23 are not arranged equidistantly.
  • the distance decreases from a center of the stack of the quenching plates 23 to the guide plates 53, as a result of which a transit time of the partial arcs through the package of quenching plates 23 is varied over the extent of the package. It is thereby advantageously achieved that the partial arcs reach the upper end of the package of quenching plates 23 at the same time in the figure, even if the division of the arc into the individual partial arcs and their penetration into the quenching plate package 23 did not take place synchronously.
  • the Figure 2 shows a second embodiment of the quenching plate arrangement according to the invention 21.
  • This differs from the first embodiment according to Figure 1 to the effect that two intermediate plates 54 are additionally provided, which are each arranged on an outer side of the quenching plate arrangement 21, that is to say on a side of the guide plates 53 facing away from the quenching plates 23 arranged in a stack.
  • the intermediate plates 54 additionally protect a switching chamber wall from the action of the arc.
  • the intermediate plates 54 have a V-shaped notch 5, which serves to prevent the arc from remaining on the notch 5.
  • FIG 3 shows a further sectional view of the quenching plate arrangement according to Figure 2 along the line AA. It shows two quenching plate assemblies 21 of two adjacent switching chambers, which are not fully recognizable here.
  • each guide plate 53 has a slot 2, the slot 2 extending from an end 3 of the guide plate 53 remote from the quenching plates 23.
  • An advantage of the quenching plate arrangement 21 with a slotted guide plate 53 is that the arc is given an additional guide, the slot 2 being provided for quickly guiding the arc into the stack of quenching plates 23.
  • the slot 23 prevents the arc from remaining at the V-shaped notch 5 at the end 3 of the guide plate 53.
  • the quenching plates 23, which have a comparable V-shaped notch 5 the arc is desired to remain around the arc as much as possible long to hold in the stack of quenching sheets 23.
  • the slot 2 extends over a partial length of the guide plate 53, namely over the part of the guide plate 53 which projects beyond the extinguishing plates 23.
  • the slot 2 opens at an end closer to the quenching plates 23 into a recess 4, the recess 4 having a greater width than the slot 2.
  • the recess 4 is V-shaped in the exemplary embodiment shown. An edge along the slot 2 and along the V-shaped recess 4 can have a bevel on both sides (not shown) at least in sections, as a result of which the arc is held longer at the edge.
  • the slot 2 ends in a V-shaped notch 5, which can also be found at the ends of the quenching plates 23 and the intermediate plates.
  • the notch 5 of the intermediate plates which also increases the dwell time of the arc, is only hinted at here through the recess 4 and is not provided with a reference symbol for reasons of clarity.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Heat Treatment Of Articles (AREA)

Claims (11)

  1. Agencement de tôles d'extinction (21) destiné à un appareil de coupure avec une multiplicité de tôles d'extinction (23) pour diviser et/ou allonger un arc électrique, ainsi qu'avec au moins une tôle de guidage (53), dans lequel les tôles d'extinction sont agencées globalement les unes à côté des autres en une pile et la tôle de guidage délimite latéralement la pile, dans lequel la tôle de guidage (53) dépasse des tôles d'extinction dans une direction d'extension principale et présente une fente (2), dans lequel la fente s'étend à partir d'une extrémité (3), éloignée des tôles d'extinction (23), de la tôle de guidage, et
    dans lequel deux tôles de guidage (53) sont prévues, lesquelles tôles de guidage délimitent la pile des deux côtés,
    caractérisé en ce que,
    pour ce qui est de la multiplicité des tôles de guidage (23), une distance entre des tôles d'extinction respectivement voisines varie, laquelle distance diminue en allant d'un milieu de la pile aux tôles de guidage (53).
  2. Agencement de tôles d'extinction selon la revendication 1, caractérisé en ce que la fente (2) s'étend sur une longueur partielle de la tôle de guidage (53), laquelle longueur partielle est limitée à une partie, dépassant des tôles d'extinction (23), de la tôle de guidage.
  3. Agencement de tôles d'extinction selon l'une quelconque des revendications précédentes, caractérisé en ce que la fente (2) débouche dans un évidement (4) au niveau d'une extrémité proche des tôles d'extinction (23), lequel évidement présente une plus grande largeur que la fente.
  4. Agencement de tôles d'extinction selon la revendication 3, caractérisé en ce que l'évidement (4) se termine en forme de V à partir d'une extrémité reliée à la fente (2).
  5. Agencement de tôles d'extinction selon l'une quelconque des revendications précédentes 3 ou 4, caractérisé en ce qu'une arête de l'évidement (4) présente un biseau des deux côtés au moins dans la zone se terminant en forme de V.
  6. Agencement de tôles d'extinction selon l'une quelconque des revendications précédentes, caractérisé en ce que la fente (2) débouche dans une rainure (5) en forme de V au niveau de l'extrémité (3), éloignée des tôles d'extinction (23), de la tôle de guidage (53).
  7. Agencement de tôles d'extinction selon l'une quelconque des revendications précédentes, caractérisé en ce que les deux tôles de guidage (53) sont réalisées globalement identiques et sont agencées symétriquement l'une par rapport à l'autre.
  8. Agencement de tôles d'extinction selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une tôle intermédiaire (54) est agencée sur un côté, éloigné des tôles d'extinction (23) agencées en une pile, de la tôle de guidage (53), laquelle tôle intermédiaire est plus longue que les tôles d'extinction et plus courte que la tôle de guidage.
  9. Appareil de coupure, convenant à un fonctionnement en courant continu, avec au moins un premier contact (9) et un deuxième contact (18), dans lequel au moins le deuxième contact est mobile par rapport au premier contact, avec un premier agencement de rails (37) pour diriger un arc électrique avec un premier sens de courant et avec un deuxième agencement de rails (38) pour diriger un arc électrique avec un deuxième sens de courant, dans lequel les deux agencements de rails (37, 38) comportent chacun un premier rail (39, 40) et un deuxième rail (41, 42), dans lequel les deux premiers rails (39, 40) s'étendent à partir du premier contact (9) dans des directions opposées et les deux deuxièmes rails (41, 42) s'étendent à partir du deuxième contact (18) dans des directions opposées, et dans lequel les premiers rails (39, 40) sont reliés électriquement l'un à l'autre sous la forme d'une boucle fermée,
    caractérisé par un agencement de tôles d'extinction (21) selon l'une quelconque des revendications précédentes afin d'éteindre un arc électrique apparaissant entre le premier contact (9) et le deuxième contact (18), lequel agencement de tôles d'extinction est agencé à l'intérieur de la boucle fermée formée par les premiers rails (39, 40).
  10. Appareil de coupure selon la revendication 9, caractérisé par un agencement de tôles d'extinction (21) selon l'une quelconque des revendications 1 à 8, dans lequel les deux deuxièmes rails (41, 42) sont agencés entre les deux tôles de guidage (53) lorsque les contacts (9, 18) sont ouverts.
  11. Appareil de coupure selon l'une quelconque des revendications 9 ou 10, caractérisé par un agencement de tôles d'extinction (21) selon la revendication 8, dans lequel une distance entre les premiers rails (39, 40) et les tôles intermédiaires (54) respectivement voisines ainsi qu'une distance entre les tôles intermédiaires (54) et les tôles de guidage (53) respectivement voisines sont plus petites qu'une distance entre les tôles d'extinction (23).
EP15817213.0A 2014-12-22 2015-12-17 Dispositif à tôles d'extinction pour un appareil de commutation Active EP3238223B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15817213T PL3238223T3 (pl) 2014-12-22 2015-12-17 Układ blach gaszących łącznika

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014119474.8A DE102014119474A1 (de) 2014-12-22 2014-12-22 Löschblechanordnung für ein Schaltgerät
PCT/EP2015/080137 WO2016102289A1 (fr) 2014-12-22 2015-12-17 Dispositif à tôles d'extinction pour un appareil de commutation

Publications (2)

Publication Number Publication Date
EP3238223A1 EP3238223A1 (fr) 2017-11-01
EP3238223B1 true EP3238223B1 (fr) 2020-04-08

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EP15817213.0A Active EP3238223B1 (fr) 2014-12-22 2015-12-17 Dispositif à tôles d'extinction pour un appareil de commutation

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Country Link
US (1) US10354814B2 (fr)
EP (1) EP3238223B1 (fr)
CN (1) CN107210150B (fr)
DE (1) DE102014119474A1 (fr)
PL (1) PL3238223T3 (fr)
WO (1) WO2016102289A1 (fr)

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DE3833808A1 (de) * 1987-10-28 1989-05-11 Merlin Gerin Gleichstrom-niederspannungs-leistungsschalter mit lichtbogenfuehrungsplatten
US20140151340A1 (en) * 2012-12-04 2014-06-05 Larsen & Toubro Limited Arc Chute Arrangement for Arc Quenching in Electrical Switching Device

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DE3311052A1 (de) * 1983-03-25 1984-09-27 Siemens AG, 1000 Berlin und 8000 München Selbstschalter, insbesondere leitungsschutzschalter
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US20180174775A1 (en) 2018-06-21
WO2016102289A1 (fr) 2016-06-30
DE102014119474A1 (de) 2016-06-23
CN107210150B (zh) 2019-12-24
EP3238223A1 (fr) 2017-11-01
US10354814B2 (en) 2019-07-16
PL3238223T3 (pl) 2020-09-07
CN107210150A (zh) 2017-09-26

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