EP3111459B1 - Chambre d'extinction pour un contacteur et contacteur pour l'extinction d'arcs - Google Patents

Chambre d'extinction pour un contacteur et contacteur pour l'extinction d'arcs Download PDF

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Publication number
EP3111459B1
EP3111459B1 EP14728838.5A EP14728838A EP3111459B1 EP 3111459 B1 EP3111459 B1 EP 3111459B1 EP 14728838 A EP14728838 A EP 14728838A EP 3111459 B1 EP3111459 B1 EP 3111459B1
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EP
European Patent Office
Prior art keywords
arc chamber
arc
chamber according
contactor
extinguishing
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
EP14728838.5A
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German (de)
English (en)
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EP3111459A1 (fr
Inventor
Andrej Ignatov
Korbinian Kreuzpointner
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.)
Schaltbau GmbH
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Schaltbau GmbH
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Publication date
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Priority to EP18159196.7A priority Critical patent/EP3349230B1/fr
Publication of EP3111459A1 publication Critical patent/EP3111459A1/fr
Application granted granted Critical
Publication of EP3111459B1 publication Critical patent/EP3111459B1/fr
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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
    • 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
    • H01H33/08—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • 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
    • H01H9/342—Venting arrangements for arc chutes
    • 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
    • H01H9/346—Details concerning the arc formation chamber
    • 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

Definitions

  • the invention relates to a quenching chamber for extinguishing arcs for a contactor with a quenching device, a blowing device which blows arcs in the quenching device, and a plurality of lamellar arc quenching elements, between which flow channels are formed, wherein the flow channels each have a spreader section.
  • Contactors with such extinguishing chambers are used, for example, in railway operation for switching loads and for interrupting circuits with high currents and high voltages.
  • the switching operation i.
  • an arc is created at the contact points.
  • the current flow between contacts is maintained.
  • the arc releases a large amount of heat, which leads to the burning of the contacts and thus can reduce the life of the contactor.
  • the entire area affected by the influence of the arc is subjected to very high thermal loads. Therefore, a quenching chamber is used, leading to a rapid collapse of the arc.
  • An arcing chamber of the generic type is for example made WO 93/13538 A1 known.
  • the flow channels are parallel to each other and identical, so that the exiting plasma collects in the area at the outlet openings of the flow channels, and can lead to the thermal load of the quenching chamber and possibly to risk of arc leakage from the quenching chamber.
  • the invention provides that the scattering sections of adjacent flow channels are formed differently inclined, so that the plasma occurring is deflected by the flow channels in different directions.
  • the scattering of the exiting plasma in particular the average temperature at the ends of the flow channels facing away from the contact region is markedly reduced, so that a plasma concentration is prevented and the thermal load is reduced.
  • the extinguishing device may in particular comprise one or more arc guide plates, which guide the arc of contact points in the extinguishing device when opening the contactor.
  • two arc guide plates are arranged, which form a V-shape.
  • at least one contact point is arranged with a fixed contact in the quenching chamber.
  • the blowing device preferably generates a magnetic blowing field which blows arcs into the extinguishing device. This is preferably achieved in that the blowing device has at least one permanent magnet arranged adjacent to the contact point for generating a permanent magnetic blowing field and / or at least one coil arranged adjacent to the contact point for generating an electromagnetic blowing field.
  • the blower field can also be reinforced by magnetically conductive pole plates, which are preferably arranged in pairs parallel to each other with intermediate storage of the extinguishing device.
  • the contact point is also arranged between the pole plates, so that in the region around the contact point, namely the switching region substantially a homogeneous magnetic blown field is formed.
  • the fixed contact and / or the Lichtleitleitbech are preferably arranged such that resulting arcs are aligned substantially perpendicular to the magnetic Blasfeld, so that the acting Lorenzkraft is maximized.
  • the flow channels are aligned substantially in the blowing direction, so that resulting plasma can be blown into the flow channels with a low resistance.
  • the quenching chamber can be integrally integrated into the contactor or formed as a removable part of the contactor.
  • the flow channels extend in opposite directions.
  • some scattering sections preferably extend at an angle inclined to the blowing direction, while other scattering sections extend at the same angle, but in an opposite direction and inclined on the same plane to the blowing direction.
  • This arrangement is particularly advantageous when a plurality of elongated extinguishing chambers are arranged side by side, wherein the plasma exits each of the extinguishing chambers in their transverse direction. Since a plurality of juxtaposed extinguishing chambers and thus several contactors are usually not opened at the same time, the space is optimally used for cooling via the scattering sections of different extinguishing chambers.
  • the extinguishing device has a plurality of arc extinguishing elements, which are arranged next to each other, so that at least one flow channel is formed between two adjacent arc extinguishing elements.
  • a flow channel is formed in each case between all adjacent arc-extinguishing elements.
  • the arc-extinguishing elements may preferably be formed of ceramic, so that they can each be exposed to the outside with one of their ends.
  • the arc extinguishing elements need not be protected to the outside by an additional electrically insulating cover, so that the cooling of the arc extinguishing elements is further improved.
  • the flow channels may, but need not, each comprise an extinguishing section, which is arranged upstream in the blowing direction and forms part of the extinguishing device.
  • the arc extinguishing elements are formed identically, each two successive arc extinguishing elements are mounted rotated by 180 degrees to each other, the arc extinguishing elements each at least a first air deflecting recess on a first side surface and at least a second air deflecting recess having the first side surface opposite, the second side surface.
  • the first and the second recesses are inclined and matched to one another in such a way that the first recesses each form a scattering section with the adjacent second recesses, wherein the scattering sections in each case deflect the air differently.
  • the flow channels each have a cross-sectional change that separates the erase portion from the spreader portion.
  • the plasma is prevented from leaving the quenching chamber at too high a rate without being cooled by the spreader portion.
  • the invention further relates to a fire extinguishing chamber for a contactor, wherein the extinguishing chamber comprises at least one contact point with a fixed contact, at least one extinguishing device, and a blowing device for generating a magnetic blow field, which blows arcs in the extinguishing device, wherein the blowing device at least one arranged adjacent to the contact point permanent magnets for generating a permanent magnetic blower field and / or at least one adjacent to the contact point arranged coil for generating an electromagnetic blower field, so that a resulting when opening the contact point arc is blown into the, at least one, extinguishing device, wherein at least two magnetically conductive pole plates with the intermediate storage of the permanent magnet and / or the coil are arranged parallel to each other, so that the blowing effect by magnetic fields for guiding the arcs in the v area is reached.
  • Such a quenching chamber is known from the prior art, for example from the EP 2 230 678 A2 known.
  • a quenching chamber contains wearing parts, which must be checked frequently and replaced if necessary.
  • such a quenching chamber with a permanent magnet and / or a coil is very heavy and thus must be mechanically connected to a base part.
  • At least one of the pole plates is designed as a pivotable latch, by means of which the quenching chamber in an unlocked state of a base part of a contactor is detachably and positively connected in a locked state with the base part of the contactor.
  • the pivotable pole plate has on the side facing the base part a hook or a projection, while the base part has a corresponding pin or a recess.
  • the quenching chamber can have an insulating housing, wherein the pole plate is arranged outside the housing, so that the pole plate is magnetically but not electrically coupled to the current-carrying parts in the housing. Due to the size and stability of the pole plates, the strength of the lock is guaranteed without additional parts.
  • a locking lever is eccentrically pivotally connected to the pivotable pole plate and held by a holder such that pivotal movement of the pole plate results in a translational movement of the locking lever.
  • the pivot axis of the pole plate is spaced from the pivot axis of the locking lever, and thus provided eccentrically.
  • the lock lever is pivotally connected at one end to the pole plate and held at the opposite, free end by the holder, which includes a movable safety latch, which in the locked state of the pole plate by a spring element into a locked position is pressed over the free end, so that the translational movement of the locking lever and thus also the pivoting movement of the pole plate is prevented by the safety lock.
  • the holder may preferably be formed integrally on a housing half and with this.
  • the free end is preferably the end facing away from the blowing device, so that the movable safety lock is easily accessible from the side facing away from the base part of the quenching chamber.
  • a display element attached to the lock lever is visible in the unlocked state and is not visible in the locked state.
  • the free end of the locking lever is marked in accordance with color, which is covered in a locked state due to the movable safety lock and thus not visible.
  • the pivotal movement of the pivotable pole plate in both directions is limited by a stopper surface. This will ensure that the pivotable pole plate does not undesirably come in contact with other parts during assembly or inspection.
  • the blowing device comprises both at least one coil having a pivotable first pole plate and at least one permanent magnet having a torsion-resistant second pole plate, wherein the first and second pole plates are separated from each other by an intermediate gap and mounted on a plane are,.
  • the pole plates are arranged in pairs in such a way that the coil between two pivotable pole plates and the permanent magnet between two torsion-resistant pole plates are arranged.
  • a stopper surface is formed by the housing of the quenching chamber.
  • the invention further relates to a fire extinguishing chamber for a contactor comprising at least one contact point with a fixed contact, a quenching device, and a blowing device, which blows arcs in the erasing device.
  • mechanical contactors in contrast to semiconductor contactors, do not require a heat dissipating heat sink.
  • the thermal situation of mechanical contactors is usually kept in a frame by e.g. low limit powers are specified or contact plates are oversized.
  • the inventors have surprisingly found that a higher effective power of a contactor can be achieved without great effort, that a heat sink is attached to the previously known quenching chamber, which is thermally conductively connected to the fixed contact.
  • the fixed contact may in particular be sheet-shaped and thus have a large contact area in the switching area in the vicinity of the contact point. Thus, a cooling of the switching range can be achieved particularly efficient by the heat sink.
  • the extinguishing chamber further comprises an electrically insulating housing, wherein the fixed contact passes through the housing and thus forms an electrical connection to which the heat sink is mounted.
  • the invention further relates to a quenching chamber for a contactor comprising at least one contact point with a fixed contact, a quenching device with an arc guide plate, wherein an air gap is provided in the vicinity of the contact point between the arc guide plate and the fixed contact, and a Blowing device for generating a magnetic blowing field, which blows arcs in the erasing device, wherein the blowing device at least one adjacent to the contact point permanent magnet arranged to produce a permanent magnetic blowing field and / or at least one adjacent arranged to contact point coil for generating an electromagnetic blower field, so that an emerging when opening the contact point arc is blown into at least one extinguishing device, wherein a protective lining between the air gap and the permanent magnet and / or the coil is arranged and from the fixed contact to the Arc guide extends towards.
  • Such a quenching chamber is for example from the EP 2 230 678 A2 known.
  • a protective cover is disclosed, which is glued to the housing.
  • the protective covering is arranged in the direction of the extinguishing device inserted and thus also interchangeable.
  • the protective cover is preferably under the arc guide from below, in the direction of the extinguishing device, be inserted.
  • the protective cover is attached via a groove or projection, which groove or projection extends perpendicular to the surfaces of the fixed contact.
  • the quenching chamber may further comprise a housing which has for receiving the permanent magnet or the coil inner boundary walls which are provided perpendicular to the side walls of the housing.
  • the protective shroud is attached via the groove or projection to such inner boundary walls and bounded in the direction of the magnetic blowing field or in the direction of the central axis of the coil or the south-north direction of the permanent magnet through the side walls of the housing.
  • ceramic e.g. Steatite or cordierite can be used as the material for the protective cover and / or the arc extinguishing elements to allow a simple design and a good protection against arc damage.
  • the invention also relates to a contactor for DC and / or AC operation with at least one movable contact, wherein the contactor further comprises a quenching chamber according to one of the above aspects.
  • the contactor has a base part with a locking mechanism which cooperates with the pivotable pole plate, so that the quenching chamber can be locked and unlocked with the base part.
  • Fig. 1 is a front view of a contactor 1 is shown.
  • the contactor 1 comprises a base part 3 with a drive 5 for driving movable contacts, which in Fig. 1 are not shown.
  • the quenching chamber 7 is constructed essentially mirror-symmetrically about a central axis 8 with two electrical connections 9a, 9b. Furthermore, the quenching chamber is also constructed symmetrically symmetrical, so that the illustrated front is identical to the back of the quenching chamber 7, not shown.
  • the quenching chamber 7 further comprises four pivotable pole plates 11 and four fixed pole plates 13, which are arranged on a housing 15 of the quenching chamber 7 in pairs at the front and back. Only two pivotable and two fixed pole plates 11a, b, 13a, b are shown.
  • a holder 19a is further formed by the housing 15 of the quenching chamber 7, wherein two locking levers 17a, b are held between a half-round support plate 21a and the housing 15 by the holder 19a such that a translational movement the locking lever 17a, b is made possible along its longitudinal axis.
  • the locking levers 17a, b are each pivotally mounted about a pivot axis 18a, b on the respective pivotable pole plates 11a, 11b.
  • the pivot axes 18 a, b of the locking levers 17 a, b are arranged in the vicinity of the central axis 8, while the pivot axes 12 a, b of the pivotable pole plates 11 a, b are respectively spaced from the central axis 8.
  • Each pivotable pole plate 11a, b has a laterally projecting actuating lever 23a, b which is provided above the respective electrical connection 9a, b, so that the pivotable pole plates 11a, b can be more easily actuated by the actuating levers 23a, b.
  • pivotal movements of the left pivotable pole plate 11a in the clockwise and the right pivotable pole plate 11b are limited counterclockwise.
  • Fig. 2 shows an enlarged view of the locking mechanism, consisting essentially of the hooks 33a, b and the bolts 35a, b.
  • a quenching chamber 7 is shown according to a second embodiment, wherein the chamber 7 of a quenching chamber according to the first embodiment as in Fig. 1 and 2 shown essentially only differs in that two heat sink 37a, b are provided on the electrical terminals 9a, b.
  • Fig. 3 are those parts having identical or similar function as in the first embodiment, provided with identical reference numerals, so that the above description to Fig. 1 and 2 also applies to the second embodiment.
  • the heat sinks 37a, b each have a number of cooling fins 39, which are arranged along the circumferential direction of the heat sinks 37a, b.
  • a bolt designed as an electrical connection is received in each case in a central bore of the heat sinks 37a, b, so that the connection plane is increased by the thickness of the heat sinks 37a, b.
  • an elongated, square free surface is provided on the side remote from the base part, the upper side of the housing 15, so that lamellar arc extinguishing elements 41 are exposed upwards. Between the arc extinguishing elements 41 a plurality of outlet openings 43 are represented by flow channels, which are each formed between two adjacent arc extinguishing elements 41.
  • the housing 15 consists of two housing halves 15a, b, which are connected to each other via connecting bolts 45, each having an inner bore.
  • two brackets 19 a, b are provided, each with a support plate 21 a, b, with respect to Fig. 4 be explained in more detail.
  • each holder 19a, b initially comprises a semicircular holder plate 21a, b, which is fastened to the housing 15 by means of a screw with intermediate storage of the free ends of the locking levers 17a, b.
  • the support plate 21a, b is configured with two lateral lugs 47, so that the locking levers 17a, b are limited in the circumferential direction and freely movable substantially along its longitudinal axis.
  • the free end of the corresponding locking lever 17b protrudes beyond the upper edge of the housing 15 so that the user can easily determine the condition due to the specific color coding of the locking levers 17a, b.
  • the locking levers 17a, b In a locked state, the locking levers 17a, b extend only to the upper edge of the support plate 21a, b.
  • a movable safety latch 49a, b by a spring element, not shown in a locked position, namely of the in Fig. 4 shown position in the direction of the support plate 21 a, b pressed so that the movable safety latch 49 a, b covering the free ends of the locking lever 17 a, b.
  • an unwanted translational Movement of the locking lever 17a, b prevented by the safety latch 49a, b.
  • Fig. 5 is a front sectional view of the interior of a contactor 1 according to the first embodiment shown.
  • the contactor 1 comprises two contact points 52, 53 each having a fixed contact 54, 55 and a respective movable contact 56, 57.
  • the movable contacts 56, 57 of the two contact points 52, 53 are arranged on a common contact bridge 58.
  • the contact bridge 58 can be moved by a magnetic drive and from a closed state of the contactor 1, in which the movable contacts 56, 57 touch the fixed contacts 54, 55 and thus the contact points 52, 53 are closed, are transferred in an open position. In the open position, the movable contacts 56, 57 are separated from the fixed contacts 54, 55. Due to the high currents and high voltages that are switched with the contactor, arcing 65, 66 between the respective fixed contacts 54, 55 and the associated movable contact 56, 57 arise when opening the contact points 52, 53.
  • an arc guide plate 59, 60 Adjacent to the fixed contacts 54, 55, an arc guide plate 59, 60 is arranged at each contact point 52, 53, wherein the Lichtbogenleitbleche 59, 60 are each isolated by an air gap 61, 62 of the respective fixed contact 54, 55.
  • the Lichtbogenleitbleche 59, 60 are shaped so that they form between the contact points 52, 53 a Lichtbogenleitschacht 69 which is substantially perpendicular to the longitudinal extent of the contact bridge 58 and through which the arcs 65 or 66 (depending on the arc running direction) by means of the Blasfelder the permanent magnets 63, 64 and / or blowing coils 67, 68 are blown in the direction of a quenching device 74.
  • blowing coils 67, 68 are disposed substantially between the pivotable pole plates 11a, b, while the permanent magnets 63, 64 are disposed substantially between the fixed pole plates 13a, 13b.
  • the pole plates 11a, b, 13a, b are in Fig. 5 not shown.
  • a homogeneous blowing field is generated in each case, which efficiently blows the arcs 65, 66 into the extinguishing device 74.
  • a protective cover 75, 76 is arranged at each of the two contact points 52, 53 adjacent to the air gap 61, 62.
  • the protective linings 75, 76 are each between the air gap 61, 62, the permanent magnet 63, 64, the fixed contacts 54, 55th and the arc guide plates 59, 60 are arranged and extend from the respective fixed contacts 54, 55 upwards to the respective arc guide plates 59, 60.
  • each of the two cylindrical receptacles 77, 78 of the permanent magnets 63, 64 formed by the housing has a projection which extends in the direction of the magnetic blowing field or in the north-south direction. Direction of the permanent magnets 63, 64 extends.
  • the protective linings 75, 76 each have a groove 79, via which the protective linings 75, 76 are held on the receptacles 77, 78.
  • the protective panels 75, 76 are also inserted in the direction of the extinguishing device and interchangeable.
  • the protective coatings 75, 76 are formed of an arc-resistant material.
  • a ceramic material in particular steatite or cordierite, is used for this purpose. These materials have a certain porosity, so that they are relatively stable even at temperature shocks. This is particularly necessary because the arc temperature is up to 20000 K.
  • a plurality of arc extinguishing elements 41 are arranged in a lamellar. Between the arc extinguishing elements 41, flow channels which are to be explained in more detail are formed, which essentially extend upward in the vertical direction from the arc guide plates 59, 60. Thus, the air and optionally the plasma, which arise between the contacts 54, 55, 56, 57 and between the Lichtbogenleitblechen 59, 60 are blown into the flow channels, and thus cooled by the arc extinguishing elements 41.
  • Fig. 6 shows an enlarged view of the section VI Fig. 5 .
  • the arc-extinguishing elements 41 and the flow channels 82 are each subdivided into a scattering section 80 and an extinguishing section 81, wherein the scattering section 80 is separated from the extinguishing section 81 by two separating ribs 83, respectively.
  • a wedge 84 is provided in each case, which extends from the separating webs 83 in the direction of the arc guide plates 60 rejuvenated.
  • An air-deflecting recess is formed on the side surface of the arc-extinguishing element 41 via the separating webs 83.
  • a second air deflecting recess is also formed on the rear side, not shown, with the second recess extending in the opposite direction.
  • the arc extinguishing elements 41 are arranged side by side stacked, with two successive arc extinguishing elements 41 are mounted rotated by 180 ° to each other.
  • the arc-extinguishing elements 41 can be formed identically, forming two groups of scattering portions 80 in opposite directions.
  • deflecting recesses 87 deflecting webs 85 are each formed with a curvature, so that the air can be deflected more efficiently.
  • Fig. 7 is an enlarged partial perspective view of the scattering portion 80.
  • a change in cross section is formed by forming a depression 86 between the two separating webs 83.
  • the change in cross section serves to cool and redirect the air or the plasma more efficiently.

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

Claims (18)

  1. Chambre d'extinction destinée l'extinction d'arcs électriques pour un contacteur (1), comprenant un dispositif d'extinction (74),
    un dispositif de soufflage (63, 64, 67, 68), qui souffle des arcs électriques (65, 66) dans le dispositif d'extinction (74), et
    un grand nombre d'éléments d'extinction d'arc électrique (41) en forme de lamelles, entre lesquels sont formés des canaux d'écoulement (82), les canaux d'écoulement (82) formant respectivement un tronçon de dispersion (80),
    caractérisée
    en ce que les tronçons de dispersion (80) de canaux d'écoulement (82) voisins sont d'une configuration à inclinaison différente, de sorte que l'air soufflé est dévié par les canaux d'écoulement (82), dans des direction différentes.
  2. Chambre d'extinction selon la revendication 1, caractérisée en ce que les canaux d'écoulement (82) s'étendent dans des directions opposées.
  3. Chambre d'extinction selon la revendication 1 ou la revendication 2, caractérisée en ce que le dispositif d'extinction (74) comporte plusieurs éléments d'extinction d'arc électrique (41), qui sont agencés côte à côte, de manière à ce que soit formé au moins un canal d'écoulement (82) entre deux éléments d'extinction d'arc électrique (41) voisins.
  4. Chambre d'extinction selon l'une des revendications 1 à 3, caractérisée en ce que les éléments d'extinction d'arc électrique (41) sont de configuration identique, en ce que deux éléments d'extinction d'arc électrique (41) respectivement successifs sont montés de manière à être tournés de 180° l'un par rapport à l'autre, en ce que les éléments d'extinction d'arc électrique (41) présentent chacun respectivement au moins un premier creux de déviation d'air sur une première surface latérale, et au moins un deuxième creux de déviation d'air sur une deuxième surface latérale opposée à la première surface latérale, et en ce que le premier creux et le deuxième creux sont inclinés par rapport à la direction de soufflage et adaptés l'un à l'autre de manière telle, que les premiers creux forment avec les deuxièmes creux voisins respectivement un tronçon de dispersion (80), de sorte que les tronçons de dispersion (80) dévient respectivement l'air de manière différente.
  5. Chambre d'extinction selon l'une des revendications 1 à 4, caractérisée en ce que les canaux d'écoulement (82) présentent respectivement une variation de section transversale, qui sépare un tronçon d'extinction (81) d'un tronçon de dispersion (80).
  6. Chambre d'extinction selon l'une des revendications 1 à 5, caractérisée en ce que la chambre d'extinction (7) comprend au moins une zone de contact (52, 53) avec un contact fixe (54, 55),
    en ce que le dispositif de soufflage (63, 64, 67, 68) sert à produire un champ de soufflage magnétique, qui souffle des arcs électriques (65, 66) dans le dispositif d'extinction (74),
    en ce que le dispositif de soufflage (63, 64, 67, 68) présente au moins un aimant permanent (63, 64) agencé au voisinage de la zone de contact (52, 53) et destiné à produire un champ de soufflage magnétique permanent, et/ou au moins une bobine (67, 68) agencée au voisinage de la zone de contact (52, 53) et destinée à produire un champ de soufflage électromagnétique, de manière à ce qu'un arc électrique (65, 66) se produisant lors de l'ouverture de la zone de contact (52, 53), soit soufflé dans ledit au moins un dispositif d'extinction (74),
    en ce qu'au moins deux plaques polaires (11, 13), conductrices sur le plan magnétique, sont agencées parallèlement l'une à l'autre avec interposition de l'aimant permanent (63, 64) et/ou de la bobine (67, 68), de sorte que l'effet de soufflage est renforcé par des champs magnétiques pour dévier les arcs électriques (65, 66), et
    en ce qu'au moins l'une des plaques polaires (11, 13) est réalisée en tant que verrouillage pivotant, à l'aide duquel la chambre d'extinction (7) peut, dans un état déverrouillé, être enlevée d'une partie de base (3) d'un contacteur (1), et, dans un état verrouillé, être reliée par complémentarité de formes, à la partie de base (3) du contacteur (1).
  7. Chambre d'extinction selon la revendication 6, caractérisée en ce qu'un levier de verrouillage (17) est relié de manière pivotante excentrique à la plaque polaire (11) pivotante et est maintenu par un support de maintien (19) de manière telle, qu'un mouvement de pivotement de la plaque polaire (11) conduise à un mouvement de translation du levier de verrouillage (17).
  8. Chambre d'extinction selon la revendication 7, caractérisée en ce que le levier de verrouillage (17) est, à une extrémité, relié de manière pivotante à la plaque polaire (11), et est, à l'extrémité libre opposée, maintenu par le support de maintien (19), qui comprend un verrou de sécurité (49) mobile, qui, dans l'état verrouillé de la plaque polaire (11), est pressé par un élément de ressort dans une position verrouillée par-dessus l'extrémité libre, de sorte que le mouvement de translation du levier de verrouillage (17) est empêché par le verrou de sécurité (49).
  9. Chambre d'extinction selon la revendication 8, caractérisée en ce qu'un élément indicateur placé sur le levier de verrouillage (17) est visible dans l'état déverrouillé, et invisible dans l'état verrouillé.
  10. Chambre d'extinction selon l'une des revendications 6 à 9, caractérisée en ce que le mouvement de pivotement de la plaque polaire pivotante (11) est limité dans les deux directions, respectivement par une surface de butée (33 avec 35, 31).
  11. Chambre d'extinction selon la revendication 10, caractérisée en ce que le dispositif de soufflage (63, 64, 67, 68) comprend aussi bien au moins une bobine (67, 68) avec une première plaque polaire (11) pivotante, qu'au moins un aimant permanent (63, 64) avec une deuxième plaque polaire (13) fixe en rotation, la première et la deuxième plaque polaire (11, 13) étant séparées l'une de l'autre par un interstice intermédiaire.
  12. Chambre d'extinction selon la revendication 10 ou la revendication 11, caractérisée en ce qu'une surface de butée (33 avec 35) est formée par un boitier.
  13. Chambre d'extinction selon l'une des revendications 1 à 12, caractérisée en ce que la chambre d'extinction présente au moins une zone de contact (52, 53) avec un contact fixe (54, 55), un corps de refroidissement (37) de la chambre d'extinction étant relié, sur le plan de la transmission thermique, au contact fixe (54, 55).
  14. Chambre d'extinction selon la revendication 13, caractérisée en ce que la chambre d'extinction présente par ailleurs, un boitier (15) électriquement isolant, le contact fixe (54, 55) traversant le boitier (15) et formant ainsi un raccord électrique (9) au niveau duquel est monté le corps de refroidissement (37).
  15. Chambre d'extinction selon l'une des revendications 1 à 14, caractérisée en ce que la chambre d'extinction comprend au moins une zone de contact (52, 53) avec un contact fixe,
    en ce que le dispositif d'extinction (74) présente une tôle de déflection d'arc électrique (59, 60), un entrefer d'air étant prévu à proximité de la zone de contact (52, 53) entre la tôle de déflection d'arc électrique (59, 60) et le contact fixe (54, 55),
    en ce que le dispositif de soufflage (63, 64, 67, 68) sert à produire un champ de soufflage magnétique, qui souffle les arcs électriques (65, 66) dans le dispositif d'extinction (74),
    en ce que le dispositif de soufflage (63, 64, 67, 68) présente au moins un aimant permanent (63, 64) agencé au voisinage de la zone de contact (52, 53) et destiné à produire un champ de soufflage magnétique permanent, et/ou au moins une bobine (67, 68) agencée au voisinage de la zone de contact (52, 53) et destinée à produire un champ de soufflage électromagnétique, de manière à ce qu'un arc électrique se produisant lors de l'ouverture de la zone de contact (52, 53), soit soufflé dans ledit au moins un dispositif d'extinction (74),
    en ce qu'un capotage de protection (75, 76) est agencé entre l'entrefer d'air et l'aimant permanent (63, 64) et/ou la bobine (67, 68), et s'étend du contact fixe (54, 55) vers la tôle de déflection d'arc électrique (59, 60),
    et en ce que le capotage de protection (75, 76) est agencé de manière à pouvoir coulisser en direction du dispositif d'extinction (74), en étant ainsi interchangeable.
  16. Chambre d'extinction selon la revendication 15, caractérisée en ce que le capotage de protection (75, 76) est fixé par l'intermédiaire d'une rainure (79) ou d'une protubérance, qui s'étend perpendiculairement aux surfaces du contact fixe (54, 55) et/ou de la tôle de déflection d'arc électrique (59, 60).
  17. Contacteur pour un fonctionnement en courant continu et/ou en courant alternatif, comprenant au moins un contact mobile (56, 57), caractérisé par une chambre d'extinction (7) selon l'une des revendications 1 à 16.
  18. Contacteur selon la revendication 17 comprenant une chambre d'extinction selon l'une des revendications 6 à 12, caractérisé en ce que le contacteur (1) comprend une partie de base (3) avec un mécanisme de verrouillage, qui interagit avec la plaque polaire pivotante (11), de sorte que la chambre d'extinction (7) peut être verrouillée avec la partie de base (3) et en être déverrouillée.
EP14728838.5A 2014-02-27 2014-06-06 Chambre d'extinction pour un contacteur et contacteur pour l'extinction d'arcs Active EP3111459B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18159196.7A EP3349230B1 (fr) 2014-02-27 2014-06-06 Chambre d'extinction pour un dispositif de protection et dispositif de protection destiné à l'extinction d'arcs électriques

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014002902.6A DE102014002902B4 (de) 2014-02-27 2014-02-27 Löschkammer für ein Schütz und ein Schütz zum Löschen von Lichtbögen
PCT/EP2014/001554 WO2015127948A1 (fr) 2014-02-27 2014-06-06 Chambre d'extinction pour un contacteur et contacteur pour l'extinction d'arcs

Related Child Applications (2)

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EP18159196.7A Division EP3349230B1 (fr) 2014-02-27 2014-06-06 Chambre d'extinction pour un dispositif de protection et dispositif de protection destiné à l'extinction d'arcs électriques
EP18159196.7A Division-Into EP3349230B1 (fr) 2014-02-27 2014-06-06 Chambre d'extinction pour un dispositif de protection et dispositif de protection destiné à l'extinction d'arcs électriques

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EP3111459A1 EP3111459A1 (fr) 2017-01-04
EP3111459B1 true EP3111459B1 (fr) 2018-08-08

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EP18159196.7A Active EP3349230B1 (fr) 2014-02-27 2014-06-06 Chambre d'extinction pour un dispositif de protection et dispositif de protection destiné à l'extinction d'arcs électriques

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US (1) US9646784B2 (fr)
EP (2) EP3111459B1 (fr)
JP (1) JP6413202B2 (fr)
KR (2) KR101861935B1 (fr)
CN (2) CN108777241B (fr)
DE (1) DE102014002902B4 (fr)
ES (2) ES2688816T3 (fr)
RU (2) RU159229U1 (fr)
UA (2) UA115440C2 (fr)
WO (1) WO2015127948A1 (fr)
ZA (2) ZA201508561B (fr)

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EP3624157A1 (fr) * 2018-09-17 2020-03-18 Microelettrica Scientifica S.p.A. Dispositif de commutation amélioré ou contacteur avec des capacités d'extinction d'arc élevées
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Publication number Publication date
KR20160033186A (ko) 2016-03-25
EP3349230B1 (fr) 2019-04-17
WO2015127948A1 (fr) 2015-09-03
RU2594754C2 (ru) 2016-08-20
KR101861935B1 (ko) 2018-06-29
KR101861982B1 (ko) 2018-06-29
ZA201508561B (en) 2017-08-30
CN108777241A (zh) 2018-11-09
ES2727508T3 (es) 2019-10-16
US9646784B2 (en) 2017-05-09
UA115440C2 (uk) 2017-11-10
ES2688816T3 (es) 2018-11-07
EP3111459A1 (fr) 2017-01-04
RU159229U1 (ru) 2016-02-10
RU2014141565A (ru) 2016-05-10
US20160329177A1 (en) 2016-11-10
KR20170126518A (ko) 2017-11-17
JP2017510944A (ja) 2017-04-13
CN105659344A (zh) 2016-06-08
UA123723C2 (uk) 2021-05-26
JP6413202B2 (ja) 2018-10-31
CN105659344B (zh) 2018-08-17
EP3349230A1 (fr) 2018-07-18
ZA201607857B (en) 2018-05-30
DE102014002902B4 (de) 2019-08-01
DE102014002902A1 (de) 2015-08-27
CN108777241B (zh) 2019-11-19

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