EP1203385A1 - Ensemble coupe-circuit multipolaire pour jeux de barres collectrices - Google Patents

Ensemble coupe-circuit multipolaire pour jeux de barres collectrices

Info

Publication number
EP1203385A1
EP1203385A1 EP00962287A EP00962287A EP1203385A1 EP 1203385 A1 EP1203385 A1 EP 1203385A1 EP 00962287 A EP00962287 A EP 00962287A EP 00962287 A EP00962287 A EP 00962287A EP 1203385 A1 EP1203385 A1 EP 1203385A1
Authority
EP
European Patent Office
Prior art keywords
fuse
switch
arrangement
switch fuse
arrangement according
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.)
Granted
Application number
EP00962287A
Other languages
German (de)
English (en)
Other versions
EP1203385B1 (fr
Inventor
Klaus Bruchmann
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.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1203385A1 publication Critical patent/EP1203385A1/fr
Application granted granted Critical
Publication of EP1203385B1 publication Critical patent/EP1203385B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H01H9/10—Adaptation for built-in fuses
    • H01H9/104—Adaptation for built-in fuses with interlocking mechanism between switch and fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/60—Angularly-movable actuating part carrying no contacts
    • H01H19/635—Contacts actuated by rectilinearly-movable member linked to operating part, e.g. by pin and slot
    • 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

Definitions

  • the invention relates to a multi-pole switch fuse arrangement for busbar systems with at least two switch fuse units for receiving a fuse link each, the switch fuse units comprising a fastening and contact device for a busbar, and with a switching device for closing and interrupting the circuit of all switch fuse units.
  • Such switch fuse arrangements are used in particular to protect three-phase circuits, 3-pole switch fuse arrangements being necessary.
  • circuit breaker arrangements are also operated by laypersons, it has often proven to be a problem that incorrect operation of the circuit breaker arrangement has also caused damage to the devices.
  • claims 2 to 14 relate to particularly preferred embodiments of the circuit breaker arrangement according to the invention.
  • the circuit breaker arrangement comprises a combined switching and blocking device.
  • the combined switching and blocking device consists of a switching lever which can be switched back and forth between a switch-on and a switch-off position, an actuation arrangement for switching switching bridges of the switch fuse units, the switchgear being switchable between a contact and an interruption position is a blocking device for each switch fuse unit for blocking the actuating arrangement in the interrupted position and a locking device for locking the fuse link in a working position, the locking device being switchable between a locking position and an unlocking position.
  • the locking device is coupled to the gearshift lever so that it is always in the locking position when the gearshift lever is in the switch-on position and, conversely, is in the release position when the gearshift lever is in the switch-off position.
  • the actuation arrangement is also coupled to the shift lever in such a way that it is always in the interrupted position when the shift lever is in its off position. A further coupling between the actuation arrangement and the shift lever is possible, but not necessary.
  • the blocking device blocks the actuation arrangement in the interrupted position when one of the fuse links from the switch fuse arrangement is not in its working position, ie has been completely removed from the switch fuse arrangement or at least partially pulled out of his working position.
  • the multi-pole switch fuse arrangement fulfills two essential fuse functions. On the one hand, it is prevented that the circuit of the switch fuse arrangement is closed via the switching bridges, if not all of the fuse links are in their working position, and the switch fuse arrangement is therefore no longer in an operational state. On the other hand, it is prevented that fuse inserts can be removed or moved out of their working position when the switch fuse arrangement is switched on without first interrupting the circuit, so that the fuse inserts can only be replaced without current or voltage.
  • This double safety function reliably prevents incorrect operation and prevents damage to the elements of the switch fuse arrangement, in particular the contacts, e.g. by switching arcs and arcing.
  • the actuation arrangement for each switch fuse unit comprises a pressure plunger, the pressure plungers being rigidly connected to one another and each pressure plunger being in contact with spring-loaded switching bridges via which the circuit of the switch fuse units is closed and interrupted. This ensures that all circuits in all switch fuse units are interrupted if even one of the pressure plungers is blocked in its interrupted position because the associated fuse link is not in its working position.
  • the actuation arrangement can be coupled directly or indirectly to the shift lever in various ways.
  • the coupling preferably takes place via a shift rod which is guided in a recess in the shift lever.
  • the coupling between Actuating arrangement and shift lever is only one-sided, i.e. a force is only exerted on the actuating arrangement when the shift lever is switched from the on position to the off position via the shift rod, whereas when the shift lever is switched from the off position to the on position there is no direct coupling between the shift rod and Actuating arrangement is present.
  • the shift lever can be moved into the switched-on position even when the actuating arrangement is blocked in its interrupted position, but no force is exerted on the actuating device by the shift rod or the shift lever. This avoids stress or damage, particularly to the blocking device. At the same time, it is ensured that the circuit cannot be closed unintentionally by violently actuating the shift lever while simultaneously destroying the blocking device.
  • the actuating arrangement is preferably biased in its contact position by at least one spring device, so that the actuating arrangements are automatically in their contact position when, on the one hand, all the fuse links are in their working position and the blocking device does not act on the actuating arrangement and when the actuating lever is actuated is in its on position.
  • Each blocking device is advantageously biased by a spring device in a position blocking the actuating arrangement in its interrupted position, so that the actuating arrangement is only released when a safety insert is in its working position, whereby the blocking device is moved into a position against the force of the spring action, in the blocking device and actuation arrangement do not affect each other.
  • the Blocking device is automatically moved into its blocking position by the spring device as soon as a fuse link is removed from its working position, which can only happen due to the locking device when the shift lever is in its switched-off position and thus the actuating arrangement in its interrupted position.
  • the blocking device when in its blocking position, advantageously engages in an opening of the actuating arrangement, so that any movement of the actuating arrangement by the blocking device is prevented.
  • the fuse links are inserted directly into the switch fuse unit, or fuse plugs are used to accommodate fuse links in the switch fuse units.
  • a locking device which acts directly on the fuse link, but preferably locking devices are provided which do not act directly on the fuse link but are in their locking position in engagement with a locking element of a fuse plug.
  • Fig. 1 is a cross-sectional view of an embodiment of a
  • FIG. 2 shows a detail of the switch fuse arrangement shown in FIG. 1, the switch lever being in an off position;
  • FIG. 3 shows the detail shown in FIG. 2, the fuse link being removed
  • FIG. 1 shows a switch fuse arrangement with three switch fuse units 10, into each of which a fuse plug 25 with a fuse link 20 is inserted.
  • Each switch fuse unit 10 is fastened to a busbar 90 by means of an encompassing spring 95.
  • the switching and blocking device consists of a switching lever 40, a spring-loaded switching rod 50, an actuating device 60, which in each case comprises a pressure plunger 61 per switch securing unit 10, a spring-loaded blocking device 70 and a likewise spring-loaded locking device 80.
  • the spring 52 of the switching rod 50 has a significantly larger spring constant than the springs 62 of the actuating device and the spring 81 of the locking device, which have approximately the same spring constants.
  • the springs 71 of the blocking device 70 have the smallest spring constant in the switching and blocking device.
  • the switching lever 40 In the operating position of the circuit breaker arrangement shown in FIG. 1, the switching lever 40 is in the switched-on position.
  • the shift lever 40 has a recess 41 in which one end of the shift rod 50 is guided.
  • the other The end of the switch rod 50 is seated in a bearing 51 of the switch fuse arrangement.
  • the actuating arrangement 60 is biased indirectly in its contact position via three springs 62, which are positioned between the housing of the switch fuse arrangement and switching bridges 12.
  • the switching bridges 12 thus bridge an interruption in a foot contact 13, which contacts a lower contact 21 of the fuse link 20, so that the contact between the fuse link 20 and busbar 90 is created.
  • the actuating arrangement 60 is deflected so far in the direction of the shift rod 50 that the pressure plunger 61 lying on the left in the drawing bears against the shift rod 50.
  • Each upper contact 22 of the fuse link 20 is contacted by a tapping contact 14, so that the circuit via the tapping contact 14, the upper contact 22 and the lower contact 21 of the fuse link 20, the foot contact 13, the switching bridge 12, the extension of the broken foot contact 13th and the busbar 90 is closed.
  • the fuse link 20 is always pressed by a spring 26 in the fuse plug 25 with force on the foot contact 13, so that a reliable contact is ensured.
  • the locking device 80 is pressed through the shaped region 43 of the shift lever 40 into an opening of the fuse plug 25 serving as a locking element 27, so that the fuse plug 25 is fixed with the fuse link 20 in its working position.
  • the locking device 80 is formed in one piece for all switch fuse units and is biased with a spring device 81 against the shaped area 43 of the switch lever 40.
  • the individual switch fuse units and their assemblies are constructed identically, and it should be pointed out once again that both the locking device 80 and the actuating arrangement 60 are formed in one piece for all switch fuse units, so that the individual elements can only move together, a relative movement, e.g. between the Pressure plunger 61 is not possible.
  • the blocking devices 70 are independent, separate assemblies in each switch fuse unit 10.
  • FIGS. 2 to 4 show a section of the embodiments.
  • the switching lever 40 By switching the switching lever 40 into its switched-off position, the switching rod 50 in its bearing 51 and the recess 42 has pivoted to the right, as a result of which the actuating arrangement 60, in which the switching bridge 12 is forced, has been forced into its interrupted position via the pressure plunger 61 has been lifted off the foot contact 13.
  • the circuit is interrupted at the foot contact 13. Since the securing plug 25 is still in its working position and presses on a cantilever of the blocking device 70, the blocking device 70 is still held in a non-blocking position against the action of its spring device 71.
  • the switch lever 40 can be moved back into its switched-on position, whereby the fuse plugs 25 are automatically locked by the locking device 80. Since the actuating arrangement 60 is not blocked, it is pressed together with the switching bridge 12 by the spring device 62, in the drawing, to the left, as a result of which the switching bridge 12 contacts the broken foot contact 13 and closes the circuit.
  • FIG. 3 shows the switch fuse arrangement shown in FIG. 2, in which the fuse plug 25 with the fuse link 20 is removed from the switch fuse unit 10. To remove the fuse plug 25 from the switch fuse unit, it must be pushed slightly to the left in the figure so that the locking element 16 of the fuse plug 25 can be guided over the projection 15 of the housing of the switch fuse arrangement.
  • the locking device 80 is no longer in engagement with the plug 25, so that the locking device 80 does not prevent removal of the securing plug 25 and the securing insert 20.
  • the blocking device 70 is raised by its spring 71 in the drawing moved so that parts of the blocking device 70 extends into an opening 63 in the pressure plunger 61 of the actuating arrangement 60 and blocks it.
  • the shift lever 40 can be switched to its on position, but this only has the consequence that the shift rod 50 is also pivoted into the on position.
  • the pressure tappet 61 or the fastening arrangement 60 do not follow the movement of the shift rod 50 due to the blocking device 70 which engages with the opening 63 of the pressure tappet 61. Since the shift rod 50 and the pressure tappet 61 are not firmly connected to one another, no force is exerted on the pressure tappet 61 and the blocking device 70 by the switching of the shift lever.
  • the pressure plunger 61 and the blocking device 60 are still blocked, so that the switching bridge 12 is held at a distance from the foot contact 13 by the pressure plunger 61 against the spring force of the spring 62.
  • the circuit is still open as desired.
  • the switching bridges 12 of the other switch fuse units 10 are also kept at a distance from the associated foot contact 13 by the corresponding pressure plunger 61, even if the fuse plug 25 has not been removed from these switch fuse units 10 is and the corresponding plunger 61 is not independently blocked by the separate blocking device 70.
  • fuse links without fuse plugs can be inserted directly into the switch fuse units, instead of the plug-in fuses, other types of fuse, e.g. Screw locks are used, or another configuration of the shift lever or the recess with the dead center is selected for largely manual switching.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Fuses (AREA)
  • Control Of Transmission Device (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP00962287A 1999-08-05 2000-08-02 Ensemble coupe-circuit multipolaire pour jeux de barres collectrices Expired - Lifetime EP1203385B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE29913698U DE29913698U1 (de) 1999-08-05 1999-08-05 Mehrpolige Schaltersicherungsanordnung für Sammelschienensysteme
DE19937017A DE19937017C1 (de) 1999-08-05 1999-08-05 Mehrpolige Schaltersicherungsanordnung für Sammelschienensysteme
DE29913698U 1999-08-05
DE19937017 1999-08-05
PCT/EP2000/007484 WO2001011642A1 (fr) 1999-08-05 2000-08-02 Ensemble coupe-circuit multipolaire pour jeux de barres collectrices

Publications (2)

Publication Number Publication Date
EP1203385A1 true EP1203385A1 (fr) 2002-05-08
EP1203385B1 EP1203385B1 (fr) 2004-07-14

Family

ID=26054506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00962287A Expired - Lifetime EP1203385B1 (fr) 1999-08-05 2000-08-02 Ensemble coupe-circuit multipolaire pour jeux de barres collectrices

Country Status (9)

Country Link
US (1) US6864443B1 (fr)
EP (1) EP1203385B1 (fr)
CN (1) CN1192406C (fr)
AT (1) ATE271257T1 (fr)
AU (1) AU763159B2 (fr)
CZ (1) CZ301280B6 (fr)
DE (3) DE19937017C1 (fr)
PL (1) PL195654B1 (fr)
WO (1) WO2001011642A1 (fr)

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DE10345785B3 (de) * 2003-10-01 2005-06-02 Klaus Bruchmann Berührungsgeschützter Sicherungsschalter
DE10345787B4 (de) * 2003-10-01 2014-03-13 Klaus Bruchmann Sicherungsschalter
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EP2197010B1 (fr) 2008-12-15 2012-03-28 Klaus Bruchmann Agencement de sécurité de commutateur pour systèmes de barres de raccordement
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WO2012099724A1 (fr) 2011-01-19 2012-07-26 Cooper Technologies Company Modules et dispositifs de déconnexion par commutation de fusible commandé électroniquement
US11335528B2 (en) 2011-01-19 2022-05-17 Eaton Intelligent Power Limited Fusible switching disconnect modules and devices with electromagnetic coil and trip mechanism
EP2584577B1 (fr) 2011-10-21 2014-05-07 Klaus Bruchmann GmbH Agencement de sécurisation du commutateur à plusieurs pôles pour systèmes de barre collectrice
WO2014026702A1 (fr) 2012-08-17 2014-02-20 Klaus Bruchmann Gmbh Groupe de construction pour un ensemble de fusibles de commutateurs avec dispositif de mesure et porte-fusible pour un groupe de construction ou un ensemble de fusibles de commutateurs
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DE102012223656B3 (de) * 2012-12-18 2014-04-03 Wöhner GmbH & Co. KG Elektrotechnische Systeme Mehrpoliges Schaltgerät
FR3016732B1 (fr) * 2014-01-21 2016-01-29 Legrand France Parafoudre et ensemble electrique auto-protege comportant un tel parafoudre et un disjoncteur
EP3016122B1 (fr) * 2014-10-31 2016-11-23 Klaus Bruchmann GmbH Système de disjoncteur multipolaire pour jeux de barres collectrices
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Also Published As

Publication number Publication date
PL195654B1 (pl) 2007-10-31
AU763159B2 (en) 2003-07-17
CN1192406C (zh) 2005-03-09
CZ2002390A3 (cs) 2002-09-11
PL353283A1 (en) 2003-11-03
CN1369099A (zh) 2002-09-11
WO2001011642A1 (fr) 2001-02-15
AU7407700A (en) 2001-03-05
US6864443B1 (en) 2005-03-08
ATE271257T1 (de) 2004-07-15
DE19937017C1 (de) 2001-03-01
DE50007083D1 (de) 2004-08-19
CZ301280B6 (cs) 2009-12-30
EP1203385B1 (fr) 2004-07-14
DE29913698U1 (de) 1999-11-04

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