EP2478537B1 - Funktionelle abstandshalter zur trennung von schaltkammern bei einer mehrpoligen trennvorrichtung und schutzschalter - Google Patents

Funktionelle abstandshalter zur trennung von schaltkammern bei einer mehrpoligen trennvorrichtung und schutzschalter Download PDF

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Publication number
EP2478537B1
EP2478537B1 EP10768509.1A EP10768509A EP2478537B1 EP 2478537 B1 EP2478537 B1 EP 2478537B1 EP 10768509 A EP10768509 A EP 10768509A EP 2478537 B1 EP2478537 B1 EP 2478537B1
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EP
European Patent Office
Prior art keywords
spacer
central partition
spacers
breaking
thickness
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
EP10768509.1A
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English (en)
French (fr)
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EP2478537A1 (de
Inventor
Christophe Grumel
Marc Rival
Hervé ANGLADE
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Publication date
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Priority to PL10768509T priority Critical patent/PL2478537T3/pl
Publication of EP2478537A1 publication Critical patent/EP2478537A1/de
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Publication of EP2478537B1 publication Critical patent/EP2478537B1/de
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Classifications

    • 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
    • H01H1/2041—Rotating bridge
    • H01H1/2058—Rotating bridge being assembled in a cassette, which can be placed as a complete unit into a circuit breaker
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0264—Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
    • H01H71/0271—Mounting several complete assembled circuit breakers together
    • H01H2071/0285—Provisions for an intermediate device between two adjacent circuit breakers having the same general contour but an auxiliary function, e.g. cooling, isolation, wire guiding, magnetic isolation or screening
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • H01H71/0235—Contacts and the arc extinguishing space inside individual separate cases, which are positioned inside the housing of the circuit breaker

Definitions

  • the invention relates to a modular low-voltage multipole circuit breaker, in which a trigger is common to all the poles, each of which comprises an independent breaking bulb.
  • the invention relates to a new architecture for this type of circuit breaker in which the conventional double envelope is modified to optimize the modularity for different functions and / or sizes to be parameterized in the circuit breaker.
  • a conventional low voltage multipole cutoff device generally a circuit breaker, as described in US Pat. EP 0 542 636 and illustrated in figure 1 , comprises a double envelope: an outer casing 2 of the circuit breaker 1 houses a plurality of unipolar cutoff blocks 3 between an upstream range 4 connecting to the line to be protected and a downstream range 5; all the blocks 3 in the casing 2 form the cut-off device 6 which is connected, at the downstream ranges 5, to a single trigger 7.
  • Each block 3, also called a bulb comprises a casing in which is housed a mechanism cut-off device, in particular at least one pair of contacts that can take an open breaking position and a closed current-passing position associated with an interrupting chamber; one of the blocks 3 is associated with an actuating mechanism 8.
  • This type of architecture has the significant advantage of reducing manufacturing and storage costs thanks to the modularity of the cutoff blocks 3.
  • the circuit breaker assembly 1 is quite simple.
  • circuit breakers 1 ( EP 0 542 636 ) limit the overall width by the use of a double rotary cut which however causes a vertical shift of the location of the nose 9 of the device 1, part of the hood from which emerges the trigger lever of the actuating mechanism 8, imposing the use of asymmetric breastplates in the cabinets; moreover, the gas exhaust is very close to the trigger 7 and the terminals that it is important, to prevent inadvertent priming, to protect by any means, perimeter security and / or accessories.
  • the existing dual rotary cut devices are based on the insertion from the front, that is to say from the face comprising the nose 9 and the handle of the circuit breaker 1, the trigger 7, which generates connection difficulties and complex editing.
  • the document FR 2 682 530 describes a device according to the preamble of claim 1.
  • the invention aims at overcoming the disadvantages of existing multipole cladding devices.
  • the invention aims to make the most of the modularity offered by the use of unipolar cut-off bulbs and the standardization of the triggers.
  • One of the objects of the invention is thus to obtain a cut-off device produced by a succession of steps for which the selection from a restricted number of elements makes it possible to satisfy different criteria of use, in particular the type of assembly. (rail or not) in the tables, and the step (metric or imperial) between the poles.
  • one of the objects of the invention is to facilitate the interchangeability of the triggers for devices comprising said cut-off device.
  • Another object of the invention is the robustness of the cut-off device over a low-voltage range up to 630 A, or even 800 A, while keeping the overall height of the device in the values in use to avoid mounting problems in the paintings ; for example, for a circuit breaker of 160 A, the height "overall", that is to say without accessories, the cutoff device is of the order of 130 mm.
  • another object of the invention is to center the nose of the cover of the switchgear with respect to its total height; for example, for the same 160 A breaker, the 45 mm nose is located 42.5 mm from the top of the unit.
  • the invention thus relates to a spacer for a different assembly of the cutoff device and in particular an absence of fixed double jacket in which the cutoff device should be inserted.
  • the general shape of the spacer depends on certain parameters of the interrupter bulbs to which it will be associated, but the functions and the general principle are common to the different ranges of existing bulbs.
  • each ampoule is separated from its neighbor by a spacer according to the invention; the spacer thus comprises a central partition, a portion of which is substantially shaped in the shape of the large face of the bulb and an end portion for positioning power connectors.
  • the central partition is preferably provided with arrangements for securing, advantageously sealed, between cutting blocks and spacers as rivet passages, the stability of the connections relative to the spacers as holding protrusions, and the passage of functional organs simultaneous driving rod type of cutoff blocks.
  • a passage recess of the simultaneous driving rod is associated with mechanical assistance means for accelerating the movement of the rod between the closed position of the cutoff blocks and the open position and / Or vice versa ;
  • the mechanical assistance means are energy accumulators, and in particular comprise a torsion spring.
  • the central partition of the spacer is extended on a side orthogonal to the end portion and intended to form the rear of the cutoff device facing the latching wall of the cutoff apparatus, by one or two bottom edges which are normal to him; the flanges can be flat or adapted for rail mounting, for example with a shoulder provided with a latching pawl.
  • the end portion of the partition is traversed in its thickness and on its edge intended to be located at the top of the device, that is to say on the face through which the connection on the upstream ranges of the cutoff blocks can be made by a slot: the slot serves as a line of leakage by the formation of an air space between two insulating edges, and its dimensions (depth and thickness) are adapted to the standardized value of the creepage distances.
  • the partition is pierced right through, in its end portion, by an orifice for fixing the cut-off device on a mounting plate so that the forces due to positioning in a cabinet or other are taken up by the spacers.
  • the slot may be replaced by any other element of equivalent function, in particular by a protuberance of complementary shape to the previous slot, protruding from the end portion of the partition, from one side to the other on its thickness.
  • the orifice passing through the partition is located within a support for placing a cover of the cut-off device, substantially parallel to the bottom edge; the support is also configured to allow the passage of the clamping screws of the terminals.
  • a protective sealing element of the screw is associated with the support.
  • each face of the partition may be provided with means making it possible to facilitate the association with a unipolar bulb, for example guide grooves and / or the coupling with a trigger, for example fixing pins, so that the spacers and the bulbs to which they are mechanically linked by the tightening, take again the constraints of the release.
  • the partition On each side, on the end portion adjacent the edge provided with the creepage line element, the partition may be provided with orthogonal protuberances for delimiting housing for terminals; depending on the nature of the cutting chamber, a protuberance on the top of the partition may delimit a gas evacuation passage; the protuberance can be recessed in a semicircle so that the juxtaposition of two spacers can be crossed by the clamping screw of a terminal.
  • the end portion of the spacer intended to form the top of the device remains open, that is to say that the mounting of the terminals can be modified when the spacers are tight and integral with the bulbs ; in another embodiment, this side by which the connection on the upstream beaches of the cutoff blocks is realized may be extended by one or more upper flanges, normal to the bottom flanges and central partition.
  • the spacers are symmetrical with respect to the central partition, and comprise two bottom flanges.
  • the spacers are advantageously made of molded plastic.
  • the juxtaposition of two spacers according to the invention creates a cavity whose two parallel walls are formed by the central partitions, the bottom and one side are formed by the juxtaposition of the edges of each spacer: the juxtaposition of the bottom edges can form a wall of substantially sealed bottom once the assembly and tightening completed, while the juxtaposition of the possible upper flanges forms a wall provided with at least one passage opening of the connection pads of the cutoff blocks, and the other passages imposed by said blocks for example a gas evacuation passage.
  • the invention also relates to a set of a plurality of similar spacers that can be juxtaposed to form at least one cavity for a unipolar break block.
  • the set of spacers may be completed by side walls for closing two end cavities and forming an envelope that can accommodate a plurality of cutoff blocks and thereby form a cutoff device to which a trigger can be coupled to form a device modular cutoff.
  • the elements making up the cut-off device 1, and in particular the unipolar bulbs 3 forming the cut-off device 6, will be described in relation to the position of FIG. use in which the circuit breaker 1 is set up in a table, the reverse of the figure 1 , with the nose 9 comprising the vertical handle and parallel to the wall or mounting plate, the upstream connection pads 4 on the power line located at the top and the trigger 7 at the bottom.
  • the use of relative positional terms, such as “lateral”, “superior”, “background”, etc., should not be construed as a limiting factor.
  • a switching device generally a multipole circuit breaker according to the invention 100 comprises a trigger 7 associated with a cut-off device 600 comprising a plurality of bulbs 10, or unipolar cut-off blocks, each block 10 allowing the cutting of a single pole and is advantageously in the form of a flat housing 12 of molded plastic, with two large parallel faces 14 distant of a thickness e of bulb 10 ( Figure 2B ).
  • the housing 12 is formed of two parts, preferably mirror-symmetrical, secured to one another by any suitable means and each comprising a large face 14: as illustrated in a preferred embodiment of FIG.
  • a complementary tenon / mortise type system 16 allows the fitting of the housing parts 12 to one another, one of the two parts comprising lugs adapted to penetrate recesses of the other. Arrangements 18 are also made to allow the juxtaposition of the housings 12 of unipolar block 10 and their connection to a multipole circuit breaker 100.
  • the housing 12 of a unipolar block 10 forms a cavity housing the breaking elements.
  • the cutoff mechanism 20 is double rotary cut.
  • the circuit breaker 100 according to the invention is particularly intended for applications up to 800 A, for which the simple cut may not be sufficient; moreover, given the technological choices, the double rotary cut offers the best compromise between electrical performance and space congestion.
  • the thickness e is of the order of 22 mm for a 160 A caliber.
  • each housing part comprises a passage recess. corresponding.
  • a movable conductor 22 comprising at each end a contact pad is pivotally mounted between an open position in which the contact pads are spaced apart from the fixed conductors and a current flow position in which they are in contact with each of the conductors. Cutoff chambers 24 are associated with each contact zone to limit arcing.
  • each part of the housing 12 is molded with internal arrangements allowing a relatively stable positioning of the various elements making up the cut-off mechanism 20, in particular two symmetrical housings for each of the cut-off chambers 24, and a circular central recess allowing the setting place of a rotary bar 26 coupled to the movable conductor 22.
  • the rotary bar 26 is flanked by two flanges serving in particular bearings (see the French patent application FR 09 04456 entitled: "unipolar breaking block comprising a rotating contact bridge, cut-off device including such a block and circuit breaker comprising such a device”): the central housing of the housing 12 can thus lead outwards at the axis of rotation of the bar 26 by an orifice 28 cooperating with a protrusion of the flanges.
  • Unipolar bulbs 10 are intended to be driven simultaneously, and are coupled for this purpose by at least one rod 30 ( figure 3A ), in particular at the bar 26, and for example through openings 32.
  • a single drive rod 30 is used and each housing portion 12 comprises an orifice 34 in the shape of an arc of a circle allowing at least the mobilization of the rod 30 passing between the current flow position and the open position; in the embodiment with flanges, each of the flanges also comprises an orifice, with flange for the adjusted passage of the simultaneous driving rod 30.
  • the mounting of the rotary bridge 22, 26 in a unipolar breaking block 10 is "inverted": it is desired (see figure 3B ) that the nose 9 of the hood of a circuit breaker 100 (including the travel passage of the lever of the actuating mechanism 8 of the contacts), in its normalized version of 45 mm, is centered on said circuit breaker 100 in operation, so to limit the number of references of the prefabricated connections of the installation system, and in particular the front plates.
  • a reversal of the direction of rotation of the bar 26 has been chosen, that is to say that the connection area 5 to the trigger 7 is located towards the rear of the circuit breaker 100 and the upstream connection range 4 is forward, above.
  • the casing 12 of the cut-off block 10 also comprises arrangements allowing an optimization of the gas flow, such as in particular described in the French patent application.
  • FR 09 04457 Cut-off device having at least one unipolar breaking block having a contact bridge and circuit-breaker incorporating such a device.
  • gases possibly charged with pollutant particles are generated, especially in the chamber. cutoff 24 from the contact pads: it is preferable to direct them away from the devices arranged near these ranges, in particular the trigger 7 which can be electronic and therefore very sensitive.
  • the exhaust gases are made to the mounting rail (bottom wall) and / or under the connection pads 5 of the trigger 7; it is recommended to reduce the gas upwards, and if possible the front, the cutoff unit 10 to avoid pollution of the lower part of the circuit breaker 100 and any electrical firing afferents.
  • the substantially parallelepipedic shape of the casing of the cut-off mechanism 20 is extended on the front side by a gas exhaust channel 38 in order to direct them from the downstream range 5 (coupled to the trigger 7) towards the upper part. of the switchgear 100, with a through hole 40.
  • the gases of the contact connected to the upstream range 4 are also directed towards this exhaust channel 38 to be separated from the mounting means of the switchgear 100, in particular a DIN rail and / or a platinum , as well as power connections.
  • a lateral flow channel 42 is arranged outside the cut-off mechanism 20, in particular with two orifices 44A, 44B opening from each part of the housing 12 towards the external channel 42 to the bulb 10, which can be hollowed into the wall of the housing 12 or added between the bulbs 10.
  • the unipolar blocks 10 are assembled via spacers 46 to form the double envelope 48, it is advantageous to take advantage of this architecture for integrating the lateral flow channel 42 to the spacer 46.
  • the outer casing 48 of the cut-off device 600 is not formed by a molded casing 2 into which the functionally coupled ampoules 10 are put in place: as illustrated in FIG. figure 3A a number n of similar unipolar blocks corresponding to the number of poles of the circuit breaker 100 (three in the illustrated mode), one of which, preferably central, is provided with a conventional actuating mechanism 8, is juxtaposed with a n - 1 number of struts 46 separating them, and closed by two outer side walls 50 to form a cutoff device 600 with a double envelope which can, as usual, be associated with a trigger 7.
  • This architectural choice takes advantage of the maximum modularity of the system while keeping the aspects functional: various options, such as the number n of poles, the width l of the device 100, 600, the choice of the trigger 7, ... are possible with a limited number of reference elements.
  • the spacers 46, 146 are made of molded plastic and mainly comprise a central partition 52, 152, intended to be parallel to the large faces 14 of the bulbs 10, and a bottom 54, 154 substantially normal to the central partition 52, 152 on its side back ; advantageously, the bottom 54 of a spacer 46 is formed of two flanges 54A, 54B symmetrical on each side of the partition 52. The juxtaposition of two spacers 46 thus defines a cavity 56 in which is housed a unipolar break block 10.
  • the opposing bottom flanges 54 of the two spacers 46 close the cavity 56 on its rear when the spacers 46 are tightened one on the other, but other options are possible, according to the standards in force and the mounting conditions. .
  • the juxtaposition of the bottom edges 54 forms the bottom of the cut-off device 600 of the circuit breaker 100, which may be intended for different types of assembly; in particular, as illustrated in figures 4 , the bottom rims 54 may be designed so as to allow direct attachment to a DIN rail, with a shoulder 58 and any suitable means, such as an attachment nose 60.
  • the flanges 154 may be solid and flat.
  • each spacer 46, 146 comprises a main separation portion whose shape is substantially included in the shape of the large face 14 of the cutoff unit 10; its thickness d is substantially constant, with the exception of the functional arrangements, with integral molding on its rear side of the two bottom edges 54A, 54B.
  • the downstream face of the bulbs 10 is intended to be coupled, at the level of the pads 5, to a trigger 7; the latter will seal so that the envelope 48 can remain devoid of wall at this location, and the underside of the struts 146 can remain devoid of any protrusion ( figure 5 ).
  • securing means for example a fixing guide 62 for example an anchoring clamping screws between the bulb 10 and trigger 7; guide grooves 64 may also be provided on the faces of the central partition 52 on this edge so as to allow an easy, stable and precise insertion of the unipolar blocks 10, or even of the triggering device 7 ( Figure 4A ).
  • the central partition 52 of the spacers 46 delimits the cavities 56 in which the cut-off bulbs 10 are in place; the means for securing the elements to one another, in particular rivet passage orifices 66, 166, are provided; the securing means also comprise complementary shapes so that the spacer assembly 46, 146 / ampoule 10 is compact and forms a unitary mechanical unit, the support being stable and on a sufficient surface.
  • the spacer 46 may comprise arrangements for defining the lateral channel 42 for discharging gases; advantageously, the channel 42 is partially etched in the large outer face 14 of the housing of the bulb 10, between the two through-holes 44, and a corresponding element 68, 168, etching and / or projecting contour, on the central partition 52, 152 allows, during the juxtaposition and the clamping of the spacer 46 on the bulb 10, to precisely direct the gas from the discharge orifice 44A to the upper orifice 44B along the partition 52 towards the exhaust channel 38.
  • the central partition 52, 152 is also in particular provided with passages 70, 170 for the functional members connecting the bulbs: in the preferred embodiment, a recess 70, 170 for the passage of the drive rod 30 of the different unit blocks 10 is planned.
  • the recesses 70, 170 may be partially obstructed, especially at the top, for reasons of stability and stiffening.
  • the passage of the drive rod 30 of the bars 26 is associated with mechanical assistance means 72, 172.
  • the mechanical assistance means may comprise spring means, in particular a torsion spring 72, for activating the device 600 in opening.
  • spring means in particular a torsion spring 72
  • acceleration means at the beginning of opening ( FR 2 762 768 ), in particular energy storage means, which can in this case be integrated into the spacer 46.
  • a spring 72 is integrated with the central partition 52 and acts directly on the the rod 30 during its movement from the position of flow of the current: in the closed position of the cut-off device, the accumulator means 72 are constrained, that is to say in particular that, when opening, the moving equipment (bar 26, movable conductor 22, actuating means 8) is propelled by the springs of the actuating mechanism 8 but also by the energy stored in the assistance means 72.
  • the mechanical assistance means 172 act in closing: at the end of the closing stroke of the contacts, the excess energy of the actuating mechanism 8 is partially stored in accumulator means 172, which may also include a torsion spring, so as to reduce the stress on the other parts of the casing 48 of the circuit breaker 100. It is furthermore possible to oversize the springs of the actuating mechanism 8 without fearing the phenomena of rebound or inadvertent tripping on operating shock.
  • the two mechanical assistance means can be associated on the same spacer; it is possible to provide mechanical assistance springs 72, 172 only the two spacers 46 flanking the cut-off bulb 10 provided with the actuating mechanism 8 and / or only the spacer associated with an end-breaking bulb, deported in the case of a four-pole circuit breaker, and / or only the spacers used for certain power ranges. According to an advantageous embodiment from a logistical point of view, all the spacers 46 comprise a mechanical assistance element 72.
  • the upper side of the central partition 52 of the spacers 46 is intended to be put in place opposite the upstream ranges 4 of the bulbs 10 and to form the upper face 74 of the cut-off device 100.
  • the central partition 52, 152 comprises a part 76, 176 adjacent to this upper side which is not intended to be juxtaposed with a breaking bulb 10, but to carry the connecting elements of the supply line on the upstream beach 4; the end portion 76, 176 of the partition is of a size substantially equal to the protruding length of said strip 4.
  • the central partition 52, 152 comprises on said end portion 76, 176 holding means 78, 178 of connection terminals 80; in particular, protuberances 78, 178 substantially normal to the partition 52, 152 and parallel to the bottom flanges 54, 154 allow to delimit a housing of a cage terminal 80 which is placed around the range 4.
  • two protuberances 78 frame a housing, the upper protuberance 78A being provided with a passage recess of a screw terminal 80.
  • one of the protuberances 82, 182 is located on the central partition 52, 152, at the opposite edge and parallel to the bottom flange 54, 154: the protrusion 82, 182 can then serve as a support for a closure lid.
  • the support 82, 182 thus composed is also provided with a recess allowing the passage of a screw of the terminal 80; it can be confused with the upper protuberance 78A, but in the preferred embodiment, the space between the support 82 and the upper protuberance 78A defines a passage corresponding to the passage 40 of the gas outlet of the bulb 10 .
  • the end portion 176 of the partition 152 may be provided with upper flanges 184 partially closing the housings defined by the protuberances 178 (FIG. figure 5 ); in this case, it is advantageous, as for the bottom rims 154, that the upper flanges 184 are complementary to form a solid wall during the joining between struts 146 and bulbs 10, with the exception of passages for the evacuation of 4. If, however, it is desired to associate with the cut-off device 100 according to the invention a wide range of connection possibilities, it is conceivable to limit the upper flanges 84 to the section of the protuberances.
  • connection pad 4 is free and it is possible to choose the type of connection directly during the installation, for example using a modular connection as described in the document FR 2,687,248 .
  • the upper side 84 of the central partition 52 of the spacers 46 is intended to form the upper face 74 of the cut-off device 100: as required by the standards, elements intended to form the creepage distances are therefore provided to separate units of cut 10 from each other.
  • slots 86 are present in the thickness of the central partition 52, 152; the slot 86 extends orthogonally to the bottom portion over a constant depth and width so that, regardless of the shape of the spacers 46, the upper wall of the cut-off device 100 comprises between each pole a through slot 86 between the bottom and the face of the cutoff device 600, whose dimensions are adapted to the standard defined for the value of the creepage distance, and delimited by two insulating edges comprising the residual thickness of the central partition 52, 84 and any edges 54, 82 associated with it.
  • a projecting element 186 can replace the slot 86, for example a protuberance of complementary shape of the groove illustrated in FIG. figures 4 : as schematized in figure 5 , the element 186 projects from the upper side and into the thickness of the central partition 152. Parallel to the plane of the partition 152 and of lower thickness, it passes right through it from the bottom edge 154 to the face of the cut-off device 600.
  • the partition 52, 152 is pierced with a through hole 88, 188 for coupling the switchgear 100 to a mounting plate or other support.
  • the mechanical stresses caused by the attachment on a vertical wall of the circuit breaker 100 are taken directly by its envelope 48 and, according to the invention, by the spacers 46, 146 forming the stiffening portion of the apparatus 100: the central partitions 52, 152, at their upper end portion 76, 176, are provided with adequate means 88, 188.
  • the sidewalls 50 completing the embodiment of the cutoff device 600 functionally correspond more or less to a spacer half 46; the wall 50, however, unlike the central partition 52, is of substantially rectangular shape so as to form a casing 48 of conventionally shaped cut-out device on which any type of trigger 7 may be adapted.
  • the side wall 50 comprises a substantially flat outer face, and an inner face provided with the same arrangements (lateral channel 68 ', retaining protuberance 78', support 82 ') that the central partition 52 of the spacers 46, with the exception of the cutout 70 for the passage of the driving rod 30 (and associated accumulator means 72); the bottom edges 54 'and support 82' are substantially identical to those of the spacers 46, but are naturally located only on one side of the side wall 50.
  • the general size of the envelope 48 of the circuit breaker 100 is determined by the thickness of the central partitions 52 and side walls 50, as well as the thickness e of the bulbs 10. It thus becomes possible with the same blocks Unipolar cutoff 10, change the width l of the circuit breaker 100, or its height h . Admittedly, a minimum space requirement in height between the upstream connection pads 4 of the circuit breaker 100 and the downstream connection pads of the trip unit 7 is always desired; in a preferred option, the height of the device 100 of 160 A range is of the order of 130 mm with a trigger 7 standard, and the cutoff device 600 is less than 90 mm in height h.
  • the width l of the circuit breaker 100 preferably corresponds to standards that it is possible, in view of the architecture according to the invention, to easily choose; the distance between the middle of two bulbs 10 determines the pitch p of the cut-off device 100, which is preferably constant and in accordance with the uses.
  • the partitions 52 of the spacers 46 and the side walls 50 are associated with the bulbs 10 in a tight manner, so as to seal the passage of gas and mechanical support of the bulbs 10. It is thus possible for the same thickness e d bulb 10, to adjust the thickness d of the walls 52 meet the criteria of pole pitch p metric or imperial.
  • the side walls 50 have a thickness also modified, corresponding to half of the average thickness of the central partition 52. According to a another option, the thickness of the partition 52 remains the same for the two sets of spacers, but the protuberances for sealing tightness of the bulbs are more or less wide.
  • This modularity can also be used to provide spacers 46 adapted to the mounting mode of the circuit breakers 100, and in particular provided or not on their bottom edges 54 of hooking means 58, 60 on a DIN rail.
  • Other functionalities can also be implemented in or on the spacers 46, such as sensors or others.
  • the method for assembling a multipole circuit breaker 100 thus comprises the juxtaposition, possibly with sliding interlocking, of a number n of identical breaking blocks 10, one of the blocks, preferably central, being provided with a mechanism actuation 8, each block 10 being separated from an adjacent block by a spacer 46; depending on the chosen option, the terminals 80 may be put in place around the upstream connection pads 4 at this stage.
  • These 2 n - 1 elements 10, 46, possibly associated with n terminals 80, are secured to form a sealed assembly by suitable means, in particular by riveting in the orifices 66 provided, and associated with the simultaneous driving rod 30, which is inserted into the bars 26 of the cutoff blocks 10.
  • the cutoff assembly is then closed by the sidewalls 50, the finishing and clamping of this assembly being made for example by through rivets.
  • the assembly is completed by a securing of the supports 82 of the spacers 46 between them by means of reinforcing devices 90 around the screw-passing orifices of the terminals 80.
  • the reinforcements 90 ( figure 5 ) may comprise a tubular casing 92 intended to protect the screw against the gases escaping through the passage 40, as well as to protect the user from direct access to the screws, the casing 92 being associated at one end with a orthogonal plate 94 which can be coupled to the supports 82 of two spacers 46, or of a spacer 46 and of a lateral wall 50.
  • Guiding means such as complementary holes and / or lugs may be provided in the plate 94 and the support 82; clipping can also be considered.
  • the assembly is closed by a cover 96 by any suitable means, to form a cutoff device which can then be associated, by its underside, to any trigger 7 of the same width l and number of poles: thanks to this configuration, the Trigger 7 can thus be defined at an advanced stage of assembly.
  • the introduction of the trigger 7 and its coupling to the cut-off device 600 are facilitated by the access from the bottom of the cut-off device.
  • the cover 96 is put in place only on the cutoff assembly already associated with the trigger 7, "overflowing Spacers 46 and covering the entire front face of the breaking apparatus 100.
  • the invention has been described with reference to a three-pole breaking device 100 including all the preferred features, it is not limited thereto: the different options can be combined in other configurations; in particular, the options described in relation to one or other of the embodiments of the struts 46, 146 illustrated in FIG. figures 4 and 5 may be combined differently and / or omitted.
  • the spacers 46 may be L-shaped and not T-shaped, with two different types of side walls 50.
  • the embodiment shown adapts to any type of cut, and in particular to unipolar double-break blocks in translation, with afferent modification of the shapes and thicknesses; similarly, if a range of devices at 250 A, respectively 630 A, is provided, it is easy to change the p steps provided (eg 35 mm and 1.5 inches, respectively 45 mm).

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  • Breakers (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Battery Mounting, Suspending (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Claims (12)

  1. Zwischenwand (46) zur Trennung von zwei einpoligen Schaltblöcken (10), wobei jeder Block (10) von einem Gehäuse (12) mit zwei großen, in einem Abstand der Dicke (e) des Blocks (10) parallel zueinander angeordneten Seitenflächen (14) umschlossen ist, in dem ein Schaltmechanismus (20) zwischen einem einspeiseseitigen Anschluss (4) und einem abgangsseitigen Anschluss (5) angeordnet ist, welcher Block (10) mit Mitteln (34) ausgerüstet ist, die eine gleichzeitige Betätigung mithilfe einer Stange (30) ermöglichen, wobei die genannte Zwischenwand (46)
    - eine Mittelwand (52) mit einem oberen Endabschnitt (76) und einem Trennungsabschnitt, dessen Kontur im Wesentlichen in der Kontur der großen Seitenfläche (14) des Schaltblocks (10) enthalten ist und in dem eine Durchführungsöffnung (70) für die Stange (30) zur gleichzeitigen Betätigung aller Schaltblöcke (10) ausgebildet ist,
    - Verbindungsmittel (66) mit der die genannte Mittelwand (52) senkrecht zu ihrer Achse festgezogen werden kann,
    - sowie mindestens einen, annähernd rechtwinklig zur Mittelwand (52) angeordneten hinteren Absatz (54) umfasst,
    - dadurch gekennzeichnet, dass der obere Endabschnitt (76) dazu dient, gegenüber den einspeiseseitigen Anschlüssen (4) angeordnet zu werden, und dass die Zwischenwand
    - ein zur Bildung einer Kriechstrecke dienendes Element (86) mit genormten Abmessungen in Abhängigkeit von den Schaltblöcken (10), das senkrecht zum hinteren Rand (54) ausgebildet ist und dessen Dicke kleiner ist als die Dicke (d) der Mittelwand (52), welche Dicke senkrecht zu den großen Seitenflächen (14) gemessen wird, wobei das genannte Element (86) der Seite des oberen Endabschnitts (76) zugeordnet ist, die in der Dicke gesehen, dem Trennungsabschnitt gegenüberliegt, und die Mittelwand (52) vom hinteren Rand (54) bis zum gegenüberliegenden Rand vollständig quert,
    - sowie eine Durchgangsöffnung (88) umfasst, die parallel zu dem eine Kriechstrecke in der Dicke (d) der Mittelwand (52) bildenden Element (86) angeordnet ist.
  2. Zwischenwand (46) nach Anspruch 1, in der das eine Kriechstrecke bildende Element (86) als senkrecht zum hinteren Absatz (54) verlaufender Schlitz (86) ausgebildet ist, der die Mittelwand (52) mit einer konstanten Tiefe und Breite durchquert.
  3. Zwischenwand (46) nach einem der Ansprüche 1 oder 2, die darüber hinaus im Bereich der Durchführungsöffnung (70) mechanische Hilfsvorrichtungen (72) umfasst, die auf die Betätigungsstange (30) wirken.
  4. Zwischenwand (46) nach Anspruch 3, in der die mechanischen Hilfsvorrichtungen eine Drehfeder (72) umfassen, die von der Betätigungsstange (30) in der Spannstellung gehalten wird, wenn sich der Schaltmechanismus (20) in der Einschaltstellung oder der Ausschaltstellung befindet.
  5. Zwischenwand (46) nach einem der Ansprüche 1 bis 4, die darüber hinaus einen annähernd parallel zum hinteren Absatz (54) angeordneten Träger (82) zur Befestigung einer Abdeckung (96) umfasst, in welchem Träger (82) eine Durchgangöffnung (88) sowie das Ende des eine Kriechstrecke bildenden Elements (86) ausgebildet sind.
  6. Zwischenwand (46) nach einem der Ansprüche 1 bis 5, in der im oberen Endabschnitt (76) der Mittelwand (52) Stege (78) ausgebildet sind, die dazu dienen, Aufnahmen für Leistungsanschlüsse (80) und/oder Gasdurchführungskanäle (40) zu begrenzen.
  7. Zwischenwand (46) nach Anspruch 6, die darüber hinaus einen oberen Absatz (84) umfasst, der annähernd senkrecht zur Mittelwand (52) angeordnet ist und mindestens eine Aufnahme des Endabschnitts (76) abschließt.
  8. Zwischenwand (46) nach einem der Ansprüche 1 bis 7, die in Bezug zur Mittelwand (52) symmetrisch ausgebildet ist.
  9. Satz aus mindestens zwei gleichartigen Zwischenwänden (46) nach einem der Ansprüche 1 bis 8, die zur Bildung einer Bucht (56) nebeneinander angeordnet werden können, deren Boden durch mindestens einen hinteren Absatz (54) einer Zwischenwand (46) gebildet wird und in die ein einpoliger Schaltblock (10) mit der zugehörigen Stange zur gleichzeitigen Betätigung (30) eingesetzt werden kann, derart, dass durch Festziehen von zwei einen Schaltblock (10) umgebenden Zwischenwänden (46) eine gasdichte Anordnung gebildet wird.
  10. Satz nach Anspruch 9, der darüber hinaus zwei Seitenwände (50) umfasst, so dass eine geschlossene Anordnung mit nebeneinander liegenden Buchten (56) zur Aufnahme von einpoligen Schaltblöcken (10) gebildet werden kann.
  11. Schalteinrichtung (600) mit einem Zwischenwandsatz nach Anspruch 10 und einer Anzahl von einpoligen Schaltblöcken (10) entsprechend der Anzahl der vorhandenen Buchten (56), welche Schaltblöcke in die genannten Buchten (56) eingesetzt sind, wobei einer der einpoligen Schaltblöcke (10) einem Betätigungsmechanismus (8) zugeordnet ist und die Blöcke über eine Stange zur gemeinsamen Betätigung (30) miteinander verbunden sind.
  12. Schaltgerät (100) mit einer Schalteinrichtung (600) nach Anspruch 11, einem mit der Schalteinrichtung gekoppelten Auslöser (7) und einer Abdeckung (96), welche die Seite mit dem Betätigungsmechanismus (8) verschließt.
EP10768509.1A 2009-09-18 2010-08-30 Funktionelle abstandshalter zur trennung von schaltkammern bei einer mehrpoligen trennvorrichtung und schutzschalter Active EP2478537B1 (de)

Priority Applications (1)

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PL10768509T PL2478537T3 (pl) 2009-09-18 2010-08-30 Funkcjonalny element dystansowy oddzielający styczniki w wielobiegunowym urządzeniu odcinającym i wyłącznik samoczynny

Applications Claiming Priority (2)

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FR0904458A FR2950475B1 (fr) 2009-09-18 2009-09-18 Entretoise fonctionnelle de separation des ampoules dans un dispositif de coupure multipolaire, et disjoncteur
PCT/FR2010/000594 WO2011033184A1 (fr) 2009-09-18 2010-08-30 Entretoise fonctionnelle de separation des ampoules dans un dispositif de coupure multipolaire et disjoncteur

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EP2478537A1 EP2478537A1 (de) 2012-07-25
EP2478537B1 true EP2478537B1 (de) 2013-05-29

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US (1) US8829369B2 (de)
EP (1) EP2478537B1 (de)
JP (1) JP5558572B2 (de)
KR (1) KR101740755B1 (de)
CN (1) CN102667990B (de)
AU (1) AU2010297166B2 (de)
BR (1) BR112012006165B1 (de)
CA (1) CA2772696C (de)
CL (1) CL2012000645A1 (de)
EA (1) EA022811B1 (de)
EG (1) EG26492A (de)
ES (1) ES2420509T3 (de)
FR (1) FR2950475B1 (de)
PL (1) PL2478537T3 (de)
SG (1) SG179097A1 (de)
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ZA (1) ZA201201430B (de)

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FR2999788B1 (fr) * 2012-12-14 2015-01-02 Schneider Electric Ind Sas Appareil de coupure de courant electrique, en particulier un disjoncteur de branchement.
CN104465235B (zh) * 2013-09-24 2016-07-06 上海电科电器科技有限公司 断路器的触头模块
FR3042640B1 (fr) * 2015-10-20 2019-05-31 Schneider Electric Industries Sas Appareil de commutation electrique comportant un mecanisme de commutation et au moins un module auxiliaire
US11121577B2 (en) * 2016-03-22 2021-09-14 International Business Machines Corporation Satisfying building energy demand using mobile energy storage
DE102016216392A1 (de) * 2016-08-31 2018-03-01 Siemens Aktiengesellschaft Schalteinheit für einen elektrischen Schalter und elektrischer Schalter
CN113948346B (zh) * 2021-11-10 2024-09-06 华中兴源电力科技有限公司 具有双控制结构的断路器

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BE455753A (de) 1943-05-11
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FR2682531B1 (fr) 1991-10-15 1993-11-26 Merlin Gerin Disjoncteur multipolaire a blocs unipolaires.
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FR2687248B1 (fr) 1992-02-07 1994-04-01 Merlin Gerin Dispositif de raccordement d'un disjoncteur basse tension a boitier moule.
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US20120152718A1 (en) 2012-06-21
AU2010297166A1 (en) 2012-04-05
BR112012006165B1 (pt) 2020-06-09
SG179097A1 (en) 2012-05-30
PL2478537T3 (pl) 2013-10-31
CL2012000645A1 (es) 2012-10-12
WO2011033184A1 (fr) 2011-03-24
JP5558572B2 (ja) 2014-07-23
US8829369B2 (en) 2014-09-09
EA201270435A1 (ru) 2012-08-30
ZA201201430B (en) 2012-12-27
CN102667990B (zh) 2015-02-04
EP2478537A1 (de) 2012-07-25
KR20120083342A (ko) 2012-07-25
CA2772696C (fr) 2016-10-11
CA2772696A1 (fr) 2011-03-24
AU2010297166B2 (en) 2014-07-24
BR112012006165A2 (pt) 2016-05-31
EA022811B1 (ru) 2016-03-31
CN102667990A (zh) 2012-09-12
FR2950475B1 (fr) 2011-09-16
ES2420509T3 (es) 2013-08-23
EG26492A (en) 2013-12-18
KR101740755B1 (ko) 2017-05-26
JP2013505528A (ja) 2013-02-14
FR2950475A1 (fr) 2011-03-25
WO2011033184A9 (fr) 2012-06-07

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