EP2137748B1 - Commutateur d'installation comportant un dispositif de fixation du commutateur sur une barre conductrice - Google Patents

Commutateur d'installation comportant un dispositif de fixation du commutateur sur une barre conductrice Download PDF

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Publication number
EP2137748B1
EP2137748B1 EP08748967.0A EP08748967A EP2137748B1 EP 2137748 B1 EP2137748 B1 EP 2137748B1 EP 08748967 A EP08748967 A EP 08748967A EP 2137748 B1 EP2137748 B1 EP 2137748B1
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EP
European Patent Office
Prior art keywords
switching device
installation
attachment element
installation switching
face
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
EP08748967.0A
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German (de)
English (en)
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EP2137748A1 (fr
Inventor
Joachim Majewski
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.)
ABB AG Germany
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ABB AG Germany
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Publication date
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Publication of EP2137748A1 publication Critical patent/EP2137748A1/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
    • H01H9/342—Venting arrangements for arc chutes

Definitions

  • the invention relates to a service switching device, preferably a main circuit breaker for installation in the meter slot of an installation distribution, according to the preamble of claim 1, such as in US 6,198,063 B1 disclosed.
  • Generic service switching devices include a Isolierstoffgeophuse with a front to which a control is attached, a mounting side to which a fastening device for snapping the device is mounted on busbars of an installation distribution, broadsides that connect the front and the mounting side, and narrow sides, which also run between the front and the mounting side. Between terminals, which are accessible from the narrow sides for the connection of connecting conductors, runs within the housing, a current path, which can be interrupted at at least one main contact point by a switching device and closed again.
  • the device still includes tripping elements, such as thermal overcurrent release or magnetic quick release, which respond to faulty operating conditions of the downstream power lines, for example, a long time applied thermal overcurrent or a short-circuit current, and then interrupt the current flow through the current path in cooperation with the switching device.
  • the switching device usually comprises a pivotally mounted contact lever with a movable contact piece and a fixed contact piece, which cooperate to form an openable contact point.
  • the DE 103 06 548 A1 shows a circuit breaker device consisting of a switchable with current busbars in electrical contact switch base, a top mounted on it and with a switchable on the narrow side on both terminal module, wherein in the side walls of the switch top and the connection module ventilation channels are provided which serve to cool the circuit breaker device.
  • DE 103 35 496 A1 is a on carrier elements, in particular busbars, an electrical device, in particular a distributor, to be arranged part, in particular a service switching device, disclosed with at least one behind one of the busbars engaging first fastener and a second fastener.
  • the second fastening element is attached to the installation position in the upper narrow side of the service switching device; it includes at least one hook, with which it engages from above via one of the busbars.
  • the second attachment part is disclosed as a tab, without further functionality.
  • the DE 195 13 062 C2 shows an installation switching device, in which at the top a below the busbar cross-fastener is provided, which also electrically contacts the busbar (neutral contact). Further functionality does not show the fastener.
  • the US Pat. No. 3,818,282 shows an installation distributor, which is so sophisticated that you can directly connect a four-pin connector of a connecting cable to the distribution board.
  • this distribution board shows a junction box, the four plug-in openings for the four pins of the connector, and which is mechanically coupled together with two circuit breakers of the four poles of the connector two are the phases, one of the neutral and a fourth earth, and wherein each of the two Phase conductor is secured by one of the circuit breaker, each of the two circuit breaker is fastened by means of its terminal to a phase rail.
  • the US 6,198,063 B1 shows an installation switching device with a vent channel to which a terminal cover is attached in the region of the ventilation channel, which has a channel that receives as an extension of the ventilation duct of the service switching device, the switching gases and further away from the service switching device, the terminal cover prevents access to the terminal ,
  • a service switching device thus comprises a fastening element for fastening the service switching device on a power rail, which is mounted on the narrow side of the installation device housing and which comprises an exhaust passage whose inlet corresponds to the outlet opening of the ventilation channel, so that the switching gases exiting from the outlet opening through the exhaust duct the fastener be forwarded, wherein the fastener carries a corresponding with the outgoing terminal opening of the service switching device, on a mounting side and the top of the fastener open insertion channel for performing a connection conductor.
  • the advantage of the invention is that with a fastener several functions can be realized and thus a total of a more compact, and thus simpler structure and easier handling of the service switching device, especially when mounted in a distribution box, are possible.
  • the switching gases that occur in the event of a short-circuit interruption inside the service switching device, are removed from this in an area outside the service switching device in which they can do no harm.
  • unhindered access through the fastening device through to the terminals for local insertion of a connecting conductor is possible.
  • the fastening element comprises a base body, which is mounted on a mounting position of the installation switching device at the top located narrow side of the service switching device and which has a mounting side, which is adapted to the installation position above narrow side of the service switching device and with the fastener on the narrow side rests.
  • a latching hook is formed, which points approximately perpendicular to the mounting plane of the service switching device away from this and carries at least one bendable locking lug, with the mounting position of the service switching device, a busbar from the top is comprehensive.
  • the fastening element with the latching hook and the latching lug can be made of an electrically insulating, elastic material, such as thermal load.
  • an advantageous embodiment of the invention provides that the fastening element is latched on the narrow side of the service switching device. Another, very advantageous embodiment provides in this regard that the fastening element is latched on the narrow side of the service switching device.
  • Fastening element is fixed on the narrow side of the service switching device with a riveted joint.
  • the exhaust passage in the body of the fastener from the mounting side, starting from one side of the mounting side of the mounting element runs, so that the emerging from the outlet opening switching gases from the top Room of the busbars are led out, if the service switching device is installed in an installation distributor.
  • a further, very advantageous embodiment of the invention provides in this regard that the exhaust gas channel in the base body of the fastening element extends from the mounting side to a mounting side of the fastening element adjoining the mounting side, so that the switching gases emerging from the outlet opening point laterally toward the fastening side be led out of the space of the busbars, if the service switching device is installed in an installation distributor.
  • the thus created exit point of the switching gases is above the busbars, so that the switching gases do not hit the busbars.
  • the service switching device is provided in a three-pole design, wherein for three adjacent poles a common housing and a common fastening element is provided with a latching hook, three exhaust ducts and three insertion channels.
  • a service switching device according to the invention can also be designed in unipolar design, wherein per pole a separate fastener with a latching hook, an exhaust passage and an insertion channel is provided.
  • FIGS. 1 to 3 show an inventive installation switching device from different views.
  • FIG. 1 shows the view on the broadside
  • FIG. 2 the view from above
  • FIG. 3 the view on the front.
  • FIG. 1 shows an installation switching device 1, here a main circuit breaker.
  • a main circuit breaker In the main circuit breaker shown here, three switching poles are included in a housing. He has an insulating 2, which is assembled from two half-shells.
  • the housing has approximately the shape of a transversely T. It comprises a front front side 3, rear front sides 4 and 5, and a front side opposite mounting side 6.
  • On the mounting side 6 is provided for each pole a terminal contact 7, with which the service switching device 1 on a respective busbar 8, 81, 82, also called busbars, an installation distributor is held.
  • the service switching device In the illustration after Fig. 1 the service switching device is shown in its installed position.
  • the designated with the arrow O narrow side 9 of the housing is referred to here as the upper, rear narrow side, and designated by the arrow U narrow side 10 is referred to here as the lower, rear narrow side.
  • the narrow sides 9, 11, 12, 10 are connected to the front sides 4, 3, 5 and the attachment side 6 via broad sides 13.
  • a switch knob 14 is mounted, with a in the interior of the housing 2, in the region of the longitudinal web 15 of the T-shape, housed switching mechanism can be manually switched on and off.
  • terminals for connection of connection conductors are housed, which are accessible through corresponding terminal openings 16, 17, 18 through the housing wall therethrough. These are in the FIG. 2 to recognize, wherein each of the terminal openings 16, 17, 18 is associated with a switching pole of the device.
  • the terminals and terminal openings on the lower narrow side 10 of the housing are not shown here.
  • the terminals on the upper narrow side are spring-type terminals, in which the connection conductor can be screwed without screws.
  • An arc extinguishing arrangement 19 is shown schematically in dashed lines inside the housing, and a ventilation channel 20 leading from the arc extinguishing arrangement 19 to the upper narrow side 9 of the housing and by the switching gases and an overpressure arising during switching from the housing on the upper, rear narrow side 9 can escape through outlet openings 21.
  • a fastening element 30 is placed and fastened.
  • This has an approximately box-shaped main body 31, whose one longitudinal side is designed as a mounting side 32 and is adapted in its contour to the contour of the upper rear narrow side 9, so that the main body 31 can fit snugly on the upper rear narrow side.
  • On the mounting side 32 of the main body has a tab-like extension 311, with which it engages when placed in a kind of pocket on the upper rear narrow side 9 and is fixed there by a rivet 33.
  • a latching hook 38 is integrally formed, the elongate leg 39 protrudes in extension of the narrow side 35 of the fastening element 30 approximately senkecht to the attachment side 6 and at the free end is a locking lug 40.
  • the distance of the inner edge 41 of the locking lug 40 from the broad side 6 is dimensioned so that a busbar of double thickness can be clamped by the locking lug 40.
  • On the upper side of the elongated leg 39 is formed by two mutually parallel slot-shaped recesses 42, 43, a deformable tongue 44, see Fig. 2 , at the free end of a further inner latching lug 45 is attached.
  • the distance of the inner latching lug 45 from the attachment side 6 is dimensioned so that a busbar 83 of simple thickness can be clamped by the inner latching lug.
  • insertion channels 46, 47, 48 for the passage of a connecting conductor to the respective terminal openings 16, 17, 18.
  • the insertion channels 46, 47, 48 lie exactly over their associated terminal openings 16, 17, 18th
  • the fastening element 30 has a common all three poles latching hook, but for each switching pole an insertion and an exhaust duct, and for each switching pole a switch knob 14, 141, 142nd
  • a further latching device 49 is attached to the attachment side 6, which also comprises a latching hook with two spaced detent lugs 50, 51.
  • the locking lugs 50, 51 are mounted so that they include a busbar 82 latching from below, either a busbar of simple thickness with the locking lug 50 or a busbar double thickness with the locking lug 51st
  • the service switching device is mounted on a total of four busbars, of which the uppermost busbar 83 is the neutral conductor and the other three busbars 8, 81, 82 correspond to the phases L1, L2, L3.
  • the course of the exhaust ducts 34 in the main body 31 they can also extend so that they open at the upper broad side in the vicinity of the latching hook 38.
  • the switching gases are then discharged in the direction of the broad side toward the neutral conductor.
  • This is electrically safe, since the neutral conductor 83 does not conduct electricity.
  • this variant of the gas guide through exhaust ducts in the base body 31 if above the service switching device in a second level within the junction box further installation switching devices are mounted, so that it is avoided that the switching gases blow these other devices, or if there is a risk that from above deposits or impurities fall into the outlet openings 37 of the exhaust ducts 34 and could clog them.

Landscapes

  • Gas-Insulated Switchgears (AREA)
  • Breakers (AREA)
  • Patch Boards (AREA)

Claims (10)

  1. Appareillage d'installation (1), comprenant une borne de raccordement qui est montée sur un côté étroit (9) du boîtier d'appareillage d'installation, comprenant un dispositif de commutation qui comporte une chambre d'extinction (19) et dans lequel se produisent des gaz de commutation lors d'une action de commutation, comprenant un canal de purge (20) à travers lequel les gaz de commutation peuvent s'échapper depuis l'intérieur du boîtier et dont l'ouverture de sortie se trouve à proximité de la borne de raccordement sur le côté étroit de boîtier (9), caractérisé par un élément de fixation (30) destiné à fixer l'appareillage d'installation (1) sur une barre-bus (83), lequel est monté sur le coté étroit (9) du boîtier d'appareillage d'installation et lequel comporte un canal d'évacuation des gaz (34) dont l'ouverture d'entrée correspond à l'ouverture de sortie du canal de purge (20), de sorte que les gaz de commutation qui sortent de l'ouverture de sortie sont retransmis à travers le canal d'évacuation des gaz (34) de l'élément de fixation (30), l'élément de fixation (30) comportant un canal d'introduction, correspondant à l'ouverture de borne de départ de l'appareillage d'installation (1), ouvert au niveau d'un côté de montage (32) et du côté supérieur de l'élément de fixation et servant au passage d'un conducteur de raccordement.
  2. Appareillage d'installation (1) selon la revendication 1, l'élément de fixation (30) comprenant un corps de base (31) qui est monté sur un côté étroit (9) de l'appareillage d'installation (1) se trouvant en haut dans une position installée de l'appareillage d'installation (1) et qui possède le côté de montage (32), lequel est adapté au côté étroit (9) de l'appareillage d'installation (1) qui se trouve en haut dans une position installée de l'appareillage d'installation et avec lequel l'élément de fixation (30) repose sur le côté étroit (9).
  3. Appareillage d'installation (1) selon la revendication 2, un crochet d'encliquetage (38) étant façonné sur l'élément de fixation (30), lequel s'écarte de l'appareillage d'installation (1) de manière approximativement perpendiculaire à son plan de fixation et comporte au moins un tenon d'encliquetage (40) avec lequel une barre-bus (83) peut être ceinte par le haut dans la position d'installation de l'appareillage d'installation (1).
  4. Appareillage d'installation (1) selon la revendication 3, l'élément de fixation (30) doté du crochet d'encliquetage (38) et du tenon d'encliquetage (40) étant constitué d'un matériau élastique électriquement isolant, par exemple du Thermolast.
  5. Appareillage d'installation (1) selon l'une des revendications précédentes, l'élément de fixation (30) étant enclipsé sur le côté étroit (9) de l'appareillage d'installation (1).
  6. Appareillage d'installation (1) selon l'une des revendications 1 à 4, l'élément de fixation (30) étant fixé sur le côté étroit (9) de l'appareillage d'installation (1) avec un assemblage par rivet.
  7. Appareillage d'installation (1) selon la revendication 2, le canal d'évacuation des gaz (34) dans le corps de base (31) de l'élément de fixation (30) s'étendant à partir du côté de montage (32) jusqu'à un côté supérieur de l'élément de fixation (30) à l'opposé du côté de montage (32), de sorte que les gaz de commutation qui sortent de l'ouverture de sortie soient guidés vers le haut hors de l'espace de la barre-bus lorsque l'appareillage d'installation (1) est installé dans un tableau de distribution.
  8. Appareillage d'installation (1) selon la revendication 2, le canal d'évacuation des gaz (34) dans le corps de base (31) de l'élément de fixation (30) s'étendant à partir du côté de montage (32) jusqu'à un côté de fixation de l'élément de fixation (30), adjacent au côté de montage (32), de sorte que les gaz de commutation qui sortent de l'ouverture de sortie soient acheminés hors de l'espace de la barre-bus latéralement en direction du côté de fixation lorsque l'appareillage d'installation (1) est installé dans un tableau de distribution.
  9. Appareillage d'installation (1) selon l'une des revendications précédentes en exécution tripolaire, un élément de fixation (30) commun comprenant un crochet d'encliquetage (38), trois canaux d'évacuation des gaz et trois canaux d'introduction étant présents pour trois pôles disposés les uns à côté des autres.
  10. Appareillage d'installation (1) selon l'une des revendications 1 à 8, en exécution unipolaire, un élément de fixation (30) propre comprenant un crochet d'encliquetage (38), un canal d'évacuation des gaz (34) et un canal d'introduction pour chaque pôle.
EP08748967.0A 2007-04-19 2008-04-17 Commutateur d'installation comportant un dispositif de fixation du commutateur sur une barre conductrice Active EP2137748B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007018521 2007-04-19
PCT/EP2008/003095 WO2008128705A1 (fr) 2007-04-19 2008-04-17 Commutateur d'installation comportant un dispositif de fixation du commutateur sur une barre conductrice
DE102008019474A DE102008019474A1 (de) 2007-04-19 2008-04-17 Installationsschaltgerät mit einer Vorrichtung zur Befestigung desselben auf einer Stromschiene

Publications (2)

Publication Number Publication Date
EP2137748A1 EP2137748A1 (fr) 2009-12-30
EP2137748B1 true EP2137748B1 (fr) 2019-01-16

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Application Number Title Priority Date Filing Date
EP08748967.0A Active EP2137748B1 (fr) 2007-04-19 2008-04-17 Commutateur d'installation comportant un dispositif de fixation du commutateur sur une barre conductrice

Country Status (6)

Country Link
US (1) US20100133236A1 (fr)
EP (1) EP2137748B1 (fr)
CN (2) CN101689432A (fr)
CA (1) CA2683666A1 (fr)
DE (1) DE102008019474A1 (fr)
WO (1) WO2008128705A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014226221B4 (de) * 2014-12-17 2024-08-29 Siemens Aktiengesellschaft Niederspannungs-Schutzschaltgerät und Anordnung zur Überwachung eines Stromkreises in einem Niederspannungsnetz
CN106981827B (zh) * 2017-05-26 2019-02-01 南京觅丹电子信息有限公司 基于断路器的计量辅件装置和智能断路器
DE102018202793A1 (de) * 2018-02-23 2019-08-29 Ellenberger & Poensgen Gmbh Schutzschaltergehäuse
DE102020207771A1 (de) * 2020-06-23 2021-12-23 Siemens Aktiengesellschaft Montageadapter für mindestens einen elektrischen Schalter und Schaltschrank mit solch einem Montageadapter

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US6198063B1 (en) * 1999-11-05 2001-03-06 Siemens Energy & Automation, Inc. Circuit breaker terminal cover with integrated arc chamber vents

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US4639564A (en) * 1985-05-01 1987-01-27 Westinghouse Electric Corp. Circuit breaker with arc chamber vent
EP0619695A1 (fr) * 1993-04-08 1994-10-12 Heinrich Kopp Ag Capuchon pour des disjoncteurs à protection électrique pour montage en rail
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FR2811136B1 (fr) * 2000-07-03 2004-09-10 Schneider Electric Ind Sa Module associe a un appareil interrupteur electromagnetique
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DE10306548B4 (de) * 2003-02-17 2005-02-03 Wöhner GmbH & Co. KG Elektrotechnische Systeme Schutzschaltereinrichtung
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EP1630916A1 (fr) * 2004-08-27 2006-03-01 Siemens Aktiengesellschaft Système d'alimentation pour interrupteur basse tension
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US6198063B1 (en) * 1999-11-05 2001-03-06 Siemens Energy & Automation, Inc. Circuit breaker terminal cover with integrated arc chamber vents

Also Published As

Publication number Publication date
US20100133236A1 (en) 2010-06-03
CN101689432A (zh) 2010-03-31
WO2008128705A1 (fr) 2008-10-30
CN201185166Y (zh) 2009-01-21
EP2137748A1 (fr) 2009-12-30
CA2683666A1 (fr) 2008-10-30
DE102008019474A1 (de) 2008-10-23

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