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EP1198806A1 - Switching system with a combined switching and blocking device - Google Patents

Switching system with a combined switching and blocking device

Info

Publication number
EP1198806A1
EP1198806A1 EP00949382A EP00949382A EP1198806A1 EP 1198806 A1 EP1198806 A1 EP 1198806A1 EP 00949382 A EP00949382 A EP 00949382A EP 00949382 A EP00949382 A EP 00949382A EP 1198806 A1 EP1198806 A1 EP 1198806A1
Authority
EP
European Patent Office
Prior art keywords
switch
fuse
locking element
switching system
blocking
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
EP00949382A
Other languages
German (de)
French (fr)
Other versions
EP1198806B1 (en
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
Priority claimed from DE29912859U external-priority patent/DE29912859U1/en
Priority claimed from DE1999134539 external-priority patent/DE19934539C1/en
Application filed by Individual filed Critical Individual
Publication of EP1198806A1 publication Critical patent/EP1198806A1/en
Application granted granted Critical
Publication of EP1198806B1 publication Critical patent/EP1198806B1/en
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
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/16—Adaptation for built-in fuse
    • H01H21/165—Fuses mounted on, or constituting the movable contact parts of, the switch
    • 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

Definitions

  • the invention relates to a switching system which comprises at least one switch fuse unit with a fuse link which can be switched back and forth between an on position and an off position.
  • a switching system further comprises a switch for closing and interrupting the circuit of the power system and a switching and blocking device which prevents the circuit from being closed by the switch.
  • the switch for closing and interrupting the circuit of the switching system is intended to make it possible for all fuse links in the switching system to be contacted without current and voltage before the circuit of the overall system is closed. This prevents switching arcs on the sensitive contacts of the fuse links and increases the service life of the fuse links.
  • a blocking device is intended to prevent the circuit from being closed via the switch, although not all of the fuse links are in their switched-on position, thereby avoiding incorrect operation of the switching system, which can lead to the above-mentioned switching arcs and damage to the fuse link in particular.
  • the object is achieved by a switching system according to claim 1, claims 2 to 8 relate to particularly advantageous embodiments of the switching system according to the invention.
  • a combined switching and blocking device is provided in the switching system, a blocking element with at least one blocking rod per switch securing unit being fastened to an actuating lever of the switch for closing and interrupting the circuit.
  • a locking element is also provided with an opening, which is arranged in the switch fuse unit so that it can always be switched back and forth together with the fuse link.
  • Each blocking bar is only then in the opening of the associated locking
  • locking element can be inserted when the associated fuse link is in its switch-on position; and the operating lever of the switch can only be flipped to close the circuit if each of the blocking rods can be inserted into the opening of its associated locking element.
  • the inventive design of the combined switching and blocking device automatically ensures that the circuit of the switching system is not closed
  • the switching system according to the invention can consist of only one switch fuse unit. However, it preferably consists of a plurality of switch fuse units connected in series.
  • the switching and blocking device according to the invention is particularly used in switching systems with a plurality of switch fuse units for a three-phase circuit.
  • the switch fuse units can in particular be attached to busbars.
  • the structure of the individual switch fuse units can be different.
  • the fuse link can be switched back and forth directly in the switch fuse unit between the switch-on position and the switch-off position.
  • a fuse plug is provided for receiving the fuse link, the fuse plug either being switchable directly between a switch-on position and a switch-off position or being insertable into a rocker switch of a switch fuse unit, which in turn is designed to switch back and forth.
  • the locking element can be attached directly to the fuse link, but it is preferably attached to the fuse plug or a rocker switch, so that standardized fuse links can be used without the locking element being manually detached from the old fuse link and to the new one when the fuse link is replaced must be attached or, under certain circumstances, complex measures must be taken so that the fuse link is automatically connected to the locking element when exchanged becomes .
  • the locking element is preferably formed integrally with the rocker switch in order to achieve a simple structure of the system.
  • the locking element is preferably designed as a guide element which defines and controls the switching movement of the fuse link or the fuse stopper or the switching rocker in order to ensure a smooth and exact switching process.
  • the locking element preferably has at least one latching device which engages with corresponding latching elements in the switch fuse unit in the switch-off position and / or the switch-on position of the fuse link.
  • the end positions of the fuse link or the fuse plug or the rocker switch are defined as defined, latched end positions.
  • Figure 1 is a cross-sectional view through a portion of an embodiment of the switching system according to the invention with a fuse link in the off position.
  • FIG. 2 shows the embodiment of the switching system shown in FIG. 1 with the fuse link in the switched-on position
  • FIG. 3 is a cross-sectional view taken along line A-A in FIG. 1.
  • Fig. 1 shows a portion of an embodiment of the Switching system according to the invention, which consists of several switch fuse units 10. For the sake of simplicity, however, only a partial area of a single switch protection unit is shown. The other switch fuse units are constructed analogously.
  • the switch fuse unit 10 has a fuse plug 40 into which a fuse link 20 is inserted.
  • the fuse link 20 is contacted by a lower contact 50 in each position of the fuse stopper 40, while an upper contact 60 is not in contact with the fuse link 20 in the switched-off position of the fuse stopper 40 shown in FIG. 1.
  • the lower contact 50 of the switch fuse unit 10 is biased by a spring 51 so that a fork-shaped sliding contact 52 is in constant contact with the fuse link 20.
  • the upper contact 60 is only guided when the fuse stopper 40 is pivoted onto a mating contact of the fuse link 20 (see FIG. 2).
  • a locking element 35 in the form of a segment of a circle is attached to the securing plug 40, which is simultaneously designed as a guide and support element and is guided in a guide rail (not shown) of the housing 11 of the switch fuse unit 10.
  • the fuse plug 40 can be inserted into the switch fuse unit 10 and can be removed therefrom, while the locking element 35 is an integral part of the switch fuse unit 10. The connection between the two elements will be explained below in connection with FIG. 3.
  • the locking element 35 has an opening 36 into which a blocking rod 33 of the blocking element 32 of the switching and Blocking device 30 can be inserted when the fuse plug is in its switched-on position.
  • the blocking rod 33 of the switching and blocking device 30 abuts against an edge region of the locking element 35, so that the actuating lever 31 of the switching and blocking device 30 cannot be flipped over.
  • the blocking rod 33 is part of the blocking element 32, the blocking element in a branched manner comprising further blocking rods (not shown) for further switch protection units.
  • the blocking element is made of a rigid material, so that distortions of the blocking element are avoided.
  • a locking element 37 of the locking element 35 is in engagement with a corresponding locking element 38 of the switch fuse unit 10, so that the switch-off position shown in FIG. 1 represents a locked end position of the fuse plug 40 with the fuse link 20.
  • the fuse plug 40 with the fuse link 20 is in its switched-on position.
  • the fuse link 20 is now in contact both with the lower contact 50 and with the upper contact 60 of the switch fuse unit 10.
  • the position of the locking element 35 has also changed.
  • the opening 36 of the locking element 35 is aligned with the blocking rod 33 of the switching and blocking device 30, so that the actuating lever 31 can be moved into an on position, whereby the circuit of the switching system is closed.
  • the blocking rod 33 is simultaneously in introduced the opening 36 of the locking element.
  • the dimensions of the blocking rod 33 correspond to those of the opening 36 of the locking element 35, so that a precisely fitting insertion takes place and the securing plug 40 with the securing insert 20 cannot be pivoted out of the switched-on position.
  • the locking element 37 of the locking element 35 is in engagement with a second locking element 39 of the switch fuse unit, so that, regardless of the position of the actuating lever 31 and the blocking of the fuse stopper 40 by the blocking rod 33 in the switched-on position, a latched end position of the fuse plug 40 is ensured ,
  • the blocking element 32 with a blocking rod 33 is a rigid element for each switch fuse unit 10, the operating lever cannot be placed in the position shown in FIG. 2 if only one of the fuse plugs 40 is not in its switched-on position.
  • Fig. 3 shows a cross section through the securing plug 40 and the locking element 35 along the line AA in Fig. 1.
  • the securing plug 40 has a fastening element 41 in the form of a dovetail, which engages in a corresponding counter-element 42 of the locking element 35, so that a there is a positive and frictional connection.
  • the fuse plug 40 can therefore be easily inserted into the switch fuse unit 10 from above, with a reliable connection between the fuse plug 40 and the locking element 35 being automatically ensured via the fastening element 41 and the counter element 42.
  • Switch fuse unit Housing Fuse insert Switching and blocking device Actuating lever (switching and blocking device. Blocking element Blocking rod Locking element Opening (locking element) Locking element (locking element) Locking elements (switch fuse unit) Fuse plug Fastening element (fuse plug) Counter element (locking element) Lower contact (switch fuse unit) Spring (lower contact) Upper contact (switch unit)

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Fuses (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Position Input By Displaying (AREA)
  • Push-Button Switches (AREA)

Abstract

A switching system consists of at least one switch fuse unit (10) with a fuse link (20) that can be activated or deactivated, an on-off switch and a blocking device, for keeping the electric circuit open. A combined switching and blocking device (30) is provided, a blocking element (32) with at least one blocking rod (33) per switch fuse unit (10) being fixed to a control lever (31) of the switch. An interlocking element (35) with an opening (36) is provided for each switch fuse unit (10). Said interlocking element can be switched back and forth in the switch fuse unit (20) together with the corresponding fuse link (20). A blocking rod (33) can only be inserted into the opening (36) of the interlocking element (35) when the fuse link (20) is in its activated position. The control lever (31) of the switch can only be moved to close the electric circuit when each blocking rod (33) can be inserted into the corresponding opening (36) of the interlocking element (35). A fuse link (10) cannot be moved into its deactivated position when the blocking rod (33) is inserted in the opening (36) of the interlocking element (35).

Description

Schaltsystem mit kombinierter Schalt- und Blockiervorrichtung Switching system with combined switching and blocking device
Die Erfindung bezieht sich auf ein Schaltsystem, das mindestens eine Schaltersicherungseinheit mit einem Sicherungseinsatz umfaßt, der zwischen einer EinschaltStellung und einer Ausschaltstellung hin- und herschaltbar ist. Ein solches Schaltsystem umfaßt ferner einen Schalter zum Schließen und Unter- brechen des Schaltkreises des Stromsystems sowie eine Schalt- und Blockiervorrichtung, die ein Schließen des Stromkreises durch den Schalter verhindert.The invention relates to a switching system which comprises at least one switch fuse unit with a fuse link which can be switched back and forth between an on position and an off position. Such a switching system further comprises a switch for closing and interrupting the circuit of the power system and a switching and blocking device which prevents the circuit from being closed by the switch.
Durch den Schalter zum Schließen und Unterbrechen des Strom- kreises des Schaltsystems soll es ermöglicht werden, daß sämtliche Sicherungseinsätze in dem Schaltsystem ström- und span- nungslos kontaktiert werden können, bevor der Stromkreis des Gesamtsystems geschlossen wird. Dadurch werden Schaltlichtbogen an den empfindlichen Kontakten der Sicherungseinsätze verhin- dert und die Lebensdauer der Sicherungseinsätze erhöht.The switch for closing and interrupting the circuit of the switching system is intended to make it possible for all fuse links in the switching system to be contacted without current and voltage before the circuit of the overall system is closed. This prevents switching arcs on the sensitive contacts of the fuse links and increases the service life of the fuse links.
Eine Blockiervorrichtung soll verhindern, daß der Stromkreis über den Schalter geschlossen wird, obwohl sich nicht alle Sicherungseinsätze in ihrer Einschaltstellung befinden, wodurch Fehlbedienungen des Schaltsystems, die zu den oben genannten Schaltlichtbögen und zu Beschädigungen insbesondere des Sicherungseinsatzes führen können, vermieden werden sollen.A blocking device is intended to prevent the circuit from being closed via the switch, although not all of the fuse links are in their switched-on position, thereby avoiding incorrect operation of the switching system, which can lead to the above-mentioned switching arcs and damage to the fuse link in particular.
Es ist Aufgabe der Erfindung, ein Schaltsystem zur Verfügung zu stellen, das auf besonders einfache und kostengünstige, gleichzeitig auf sehr zuverlässige Weise eine Fehlbedienung des Schaltsystems ausschließt. Die Aufgabe wird durch ein Schaltsystems gemäß Anspruch 1 gelöst, die Ansprüche 2 bis 8 betreffen besonders vorteilhafte Ausführungsformen des erfindungsgemäßen Schaltsystems.It is an object of the invention to provide a switching system which excludes incorrect operation of the switching system in a particularly simple and inexpensive, and at the same time in a very reliable manner. The object is achieved by a switching system according to claim 1, claims 2 to 8 relate to particularly advantageous embodiments of the switching system according to the invention.
5 Gemäß der Erfindung ist in dem Schaltsystem eine kombinierte Schalt- und Blockiervorrichtung vorgesehen, wobei an einem Betätigungshebel des Schalters zum Schließen und Unterbrechen des Stromkreises ein Blockierelement mit mindestens einer Blockierstange je Schaltersicherungseinheit befestigt ist. In5 According to the invention, a combined switching and blocking device is provided in the switching system, a blocking element with at least one blocking rod per switch securing unit being fastened to an actuating lever of the switch for closing and interrupting the circuit. In
10 jeder Schaltersicherungseinheit ist darüber hinaus ein Verriegelungselement mit einer Öffnung vorgesehen, das so in der Schaltersicherungseinheit angeordnet ist, daß es immer zusammen mit dem Sicherungseinsatz hin- und herschaltbar ist. Jede Blockierstange ist nur dann in die Öffnung des zugehörigen Ver-10 of each switch fuse unit, a locking element is also provided with an opening, which is arranged in the switch fuse unit so that it can always be switched back and forth together with the fuse link. Each blocking bar is only then in the opening of the associated locking
15 riegelungselements einführbar, wenn der zugehörige Sicherungs- einsatz in seiner Einschaltstellung ist; und der Betätigungshebel des Schalters kann nur dann zum Schließen des Stromkreises umgelegt werden, wenn jede der Blockierstangen in die Öffnung ihres zugehörigen Verriegelungselements einführbar ist.15 locking element can be inserted when the associated fuse link is in its switch-on position; and the operating lever of the switch can only be flipped to close the circuit if each of the blocking rods can be inserted into the opening of its associated locking element.
20 Ein Sicherungseinsatz kann dann nicht in die Ausschaltstellung bewegt werden, wenn die zugehörige Blockierstange in die Öffnung des zugehörigen Verriegelungselements eingeführt ist. Dies ist immer dann für alle Sicherungseinsätze der Fall, wenn der Betätigungshebel des Schalters zum Schließen des Stromkrei-20 A fuse link cannot be moved to the off position if the associated locking rod is inserted into the opening of the associated locking element. This is always the case for all fuse links if the actuating lever of the switch for closing the circuit
^_. ses umgelegt ist. ^ _. ses turned over.
Durch die erfindungsgemäße Ausgestaltung der kombinierten Schalt- und Blockiervorrichtung wird automatisch sichergestellt, daß der Stromkreis des Schaltsystems nicht geschlossenThe inventive design of the combined switching and blocking device automatically ensures that the circuit of the switching system is not closed
30 werden kann, ohne daß alle Sicherungseinsätze in den Schaltersicherungseinheiten in ihrer Einschaltstellung sind. Gleichzeitig wird sichergestellt, daß nach einem Schließen des Stromkreises durch Umlegen des Betätigungshebels des Schalters und damit der kombinierten Schalt- und Blockiervorrichtung keiner30 can be without all fuse links in the switch fuse units are in their switched-on position. At the same time it is ensured that after closing the circuit by turning the actuating lever of the switch and thus the combined switching and blocking device, none
35 der Sicherungseinsätze von seiner Einschaltstellung in die Ausschaltstellung schaltbar ist. Fehlbedienungen werden damit hundertprozentig ausgeschlossen, wobei die Bedienung des Systems durch lediglich einen Betätigungshebel extrem einfach ist .35 of the fuse links can be switched from its on position to the off position. Incorrect operation is therefore completely ruled out, and operating the system is extremely simple with just one operating lever.
Das erfindungsgemäße Schaltsystem kann aus nur einer Schaltersicherungseinheit bestehen. Bevorzugt besteht es jedoch aus mehreren, hintereinander geschalteten Schaltersicherungseinheiten.The switching system according to the invention can consist of only one switch fuse unit. However, it preferably consists of a plurality of switch fuse units connected in series.
Besondere Anwendung findet die erfindungsgemäße Schalt- und Blockiervorrichtung in Schaltsystemen mit mehreren Schaltersicherungseinheiten für einen Drehstromkreis. Die Schaltersicherungseinheiten können dabei insbesondere an Sammelschienen befestigt werden.The switching and blocking device according to the invention is particularly used in switching systems with a plurality of switch fuse units for a three-phase circuit. The switch fuse units can in particular be attached to busbars.
Die einzelnen Schaltersicherungseinheiten können in ihrer Struktur unterschiedlich aufgebaut sein. So ist in einer Ausführungsform der Sicherungseinsatz direkt in der Schaltersicherungseinheit zwischen der Einschaltstellung und der Ausschaltstellung hin- und herschaltbar. In anderen Ausfüh- rungsformen ist ein Sicherungsstöpsel zur Aufnahme des Sicherungseinsatzes vorgesehen, wobei der Sicherungsstöpsel entweder direkt zwischen einer Einschaltstellung und einer Ausschaltstellung hin- und herschaltbar ist oder in eine Schaltwippe einer Schaltersicherungseinheit einsetzbar ist, die wiederum hin- und herschaltbar ausgeführt ist .The structure of the individual switch fuse units can be different. In one embodiment, the fuse link can be switched back and forth directly in the switch fuse unit between the switch-on position and the switch-off position. In other embodiments, a fuse plug is provided for receiving the fuse link, the fuse plug either being switchable directly between a switch-on position and a switch-off position or being insertable into a rocker switch of a switch fuse unit, which in turn is designed to switch back and forth.
Das Verriegelungselement kann direkt an dem Sicherungseinsatz befestigt sein, bevorzugt ist es jedoch an dem Sicherungsstöp- sei oder einer Schaltwippe befestigt, so daß standardisierte Sicherungseinsätze verwendet werden können, ohne daß beim Austausch des Sicherungseinsatzes das Verriegelungselement manuell von dem alten Sicherungseinsatz gelöst und an dem neuen befestigt werden muß oder unter Umständen aufwendige Maßnahmen getroffen werden müssen, damit der Sicherungseinsatz beim Austausch automatisch mit dem Verriegelungselement verbunden wird .The locking element can be attached directly to the fuse link, but it is preferably attached to the fuse plug or a rocker switch, so that standardized fuse links can be used without the locking element being manually detached from the old fuse link and to the new one when the fuse link is replaced must be attached or, under certain circumstances, complex measures must be taken so that the fuse link is automatically connected to the locking element when exchanged becomes .
Ist eine Schaltwippe vorhanden, so ist das Verriegelungselement bevorzugt integral mit der Schaltwippe ausgebildet, um einen einfachen Aufbau des Systems zu erreichen.If a rocker switch is present, the locking element is preferably formed integrally with the rocker switch in order to achieve a simple structure of the system.
Bevorzugt ist das Verriegelungselement als Führungselement ausgebildet, das die Schaltbewegung des Sicherungseinsatzes bzw. des Sicherungsstopsels oder der Schaltwippe definiert und kontrolliert, um einen gleichmäßigen und exakten Schaltvorgang sicherzustellen.The locking element is preferably designed as a guide element which defines and controls the switching movement of the fuse link or the fuse stopper or the switching rocker in order to ensure a smooth and exact switching process.
Das Verriegelungselement weist bevorzugt mindestens eine Rastvorrichtung auf, die mit korrespondierenden Rastelementen in der Schaltersicherungseinheit in der Ausschaltstellung und/ oder der Einschaltstellung des Sicherungseinsatzes in Eingriff steht. Dadurch werden die Endpositionen des Sicherungseinsatzes bzw. des Sicherungsstöpsels oder der Schaltwippe als definierte, gerastete Endpositionen festgelegt.The locking element preferably has at least one latching device which engages with corresponding latching elements in the switch fuse unit in the switch-off position and / or the switch-on position of the fuse link. As a result, the end positions of the fuse link or the fuse plug or the rocker switch are defined as defined, latched end positions.
Diese und weiter Vorteile der Erfindung werden anhand der beigefügten schematischen Zeichnungen deutlich. Es zeigen:These and other advantages of the invention will become apparent from the accompanying schematic drawings. Show it:
Fig. 1 eine Querschnittsansicht durch einen Teilbereich einer Ausführungsform des erfindungsgemäßen Schaltsystems mit einem Sicherungseinsatz in der Ausschaltstellung;Figure 1 is a cross-sectional view through a portion of an embodiment of the switching system according to the invention with a fuse link in the off position.
Fig. 2 die in Fig. 1 gezeigte Ausführungsform des Schalt- Systems mit dem Sicherungseinsatz in der Einschaltstellung; undFIG. 2 shows the embodiment of the switching system shown in FIG. 1 with the fuse link in the switched-on position; and
Fig. 3 eine Querschnittsansicht entlang der Linie A-A in Fig. 1.3 is a cross-sectional view taken along line A-A in FIG. 1.
Fig. 1 zeigt einen Teilbereich einer Ausführungsform des erfindungsgemäßen Schaltsystems, das aus mehreren Schalter- sicherungseinheiten 10 besteht. Zur Vereinfachung ist jedoch lediglich ein Teilbereich einer einzigen Schaltersicherungseinheit dargestellt. Die anderen Schaltersicherungseinheiten sind analog aufgebaut.Fig. 1 shows a portion of an embodiment of the Switching system according to the invention, which consists of several switch fuse units 10. For the sake of simplicity, however, only a partial area of a single switch protection unit is shown. The other switch fuse units are constructed analogously.
Die Schaltersicherungseinheit 10 hat einen Sicherungsstöpsel 40, in den ein Sicherungseinsatz 20 eingesetzt ist. Der Sicherungseinsatz 20 wird durch einen unteren Kontakt 50 in jeder Stellung des Sicherungsstopsels 40 kontaktiert, während ein oberer Kontakt 60 in der in Fig. 1 gezeigten Ausschaltstellung des Sicherungsstopsels 40 nicht: mit dem Sicherungseinsatz 20 in Kontakt ist.The switch fuse unit 10 has a fuse plug 40 into which a fuse link 20 is inserted. The fuse link 20 is contacted by a lower contact 50 in each position of the fuse stopper 40, while an upper contact 60 is not in contact with the fuse link 20 in the switched-off position of the fuse stopper 40 shown in FIG. 1.
Der untere Kontakt 50 der Schaltersicherungseinheit 10 ist mit einer Feder 51 vorgespannt, so daß ein gabelförmiger Schleifkontakt 52 ständig in Kontakt mit dem Sicherungseinsatz 20 ist. Der obere Kontakt 60 wird erst beim Verschwenken des Sicherungsstopsels 40 auf einen Gegenkontakt des Sicherungseinsatzes 20 geführt (siehe Fig. 2) .The lower contact 50 of the switch fuse unit 10 is biased by a spring 51 so that a fork-shaped sliding contact 52 is in constant contact with the fuse link 20. The upper contact 60 is only guided when the fuse stopper 40 is pivoted onto a mating contact of the fuse link 20 (see FIG. 2).
An dem Sicherungsstöpsel 40 ist ein kreissegmentförmiges Verriegelungselement 35 angebracht, das gleichzeitig als Führungsund Unterstützungselement ausgebildet ist und in einer Führungsschiene (nicht gezeigt) des Gehäuses 11 der Schaltersicherungseinheit 10 geführt ist.A locking element 35 in the form of a segment of a circle is attached to the securing plug 40, which is simultaneously designed as a guide and support element and is guided in a guide rail (not shown) of the housing 11 of the switch fuse unit 10.
Der Sicherungsstöpsel 40 ist in die Schaltersicherungseinheit 10 einsetzbar und kann aus dieser entnommen werden, während das Verriegelungselement 35 fester Bestandteil der Schaltersicherungseinheit 10 ist. Die Verbindung zwischen den beiden Elementen wird in Zusammenhang mit Fig. 3 nachfolgend erläutert werden.The fuse plug 40 can be inserted into the switch fuse unit 10 and can be removed therefrom, while the locking element 35 is an integral part of the switch fuse unit 10. The connection between the two elements will be explained below in connection with FIG. 3.
Das Verriegelungselement 35 hat eine Öffnung 36, in die eine Blockierstange 33 des Blockierelements 32 der Schalt- und Blockiervorrichtung 30 einführbar ist, wenn sich der Siche- rungsstöpsel in seiner Einschaltstellung befindet. In der in Fig. 1 gezeigten Ausschaltstellung des Sicherungseinsatzes 20 und des Sicherungsstopsels 40 stößt jedoch die Blockierstange 33 der Schalt- und Blockiervorrichtung 30 gegen einen Randbereich des Verriegelungselements 35, so daß der Betätigungshebel 31 der Schalt- und Blockiervorrichtung 30 nicht umgelegt werden kann.The locking element 35 has an opening 36 into which a blocking rod 33 of the blocking element 32 of the switching and Blocking device 30 can be inserted when the fuse plug is in its switched-on position. In the switch-off position of the fuse link 20 and the fuse stopper 40 shown in FIG. 1, however, the blocking rod 33 of the switching and blocking device 30 abuts against an edge region of the locking element 35, so that the actuating lever 31 of the switching and blocking device 30 cannot be flipped over.
Die Blockierstange 33 ist Teil des Blockierelements 32, wobei das Blockierelement in verästelter Weise weitere Blockierstan- gen (nicht gezeigt) für weitere Schaltersicherungseinheiten umfaßt . Das Blockierelement ist aus einem starren Material hergestellt, so daß Verzerrungen des Blockierelements vermieden werden.The blocking rod 33 is part of the blocking element 32, the blocking element in a branched manner comprising further blocking rods (not shown) for further switch protection units. The blocking element is made of a rigid material, so that distortions of the blocking element are avoided.
Ein Rastelement 37 des Verriegelungselements 35 befindet sich in Eingriff mit einem korrespondierenden Rastelement 38 der Schaltersicherungseinheit 10, so daß die in Fig. 1 gezeigte AusschaltStellung eine gerastete Endstellung des Sicherungsstöpsels 40 mit dem Sicherungseinsatz 20 darstellt.A locking element 37 of the locking element 35 is in engagement with a corresponding locking element 38 of the switch fuse unit 10, so that the switch-off position shown in FIG. 1 represents a locked end position of the fuse plug 40 with the fuse link 20.
In Fig. 2 befindet sich der Sicherungsstöpsel 40 mit dem Sicherungseinsatz 20 in seiner Einschaltstellung. Der Sicherungseinsatz 20 ist nun sowohl in Kontakt mit dem unteren Kontakt 50 als auch mit dem oberen Kontakt 60 der Schaltersicherungseinheit 10.2, the fuse plug 40 with the fuse link 20 is in its switched-on position. The fuse link 20 is now in contact both with the lower contact 50 and with the upper contact 60 of the switch fuse unit 10.
Mit dem Verschwenken des Sicherungsstöpsels 40 in die Ein- schaltstellung hat sich auch die Position des Verriegelungselements 35 verändert. Die Öffnung 36 des Verriegelungselements 35 fluchtet mit der Blockierstange 33 der Schalt- und Blockiervorrichtung 30, so daß der Betätigungshebel 31 in eine Einschaltstellung bewegt werden kann, wodurch der Stromkreis des Schaltsystems geschlossen wird. Durch das Verschwenken des Betätigungshebels 31 wird gleichzeitig die Blockierstange 33 in die Öffnung 36 des Verriegelungselements eingeführt. Die Dimensionen der Blockierstange 33 entsprechen denen der Öffnung 36 des Verriegelungselements 35, so daß eine paßgenaue Einführung stattfindet und der Sicherungsstöpsel 40 mit dem Sicherungs- einsatz 20 nicht aus der Einschaltstellung verschwenkt werden kann.With the pivoting of the safety plug 40 into the switched-on position, the position of the locking element 35 has also changed. The opening 36 of the locking element 35 is aligned with the blocking rod 33 of the switching and blocking device 30, so that the actuating lever 31 can be moved into an on position, whereby the circuit of the switching system is closed. By pivoting the operating lever 31, the blocking rod 33 is simultaneously in introduced the opening 36 of the locking element. The dimensions of the blocking rod 33 correspond to those of the opening 36 of the locking element 35, so that a precisely fitting insertion takes place and the securing plug 40 with the securing insert 20 cannot be pivoted out of the switched-on position.
Das Rastelement 37 des Verriegelungselements 35 befindet sich mit einem zweiten Rastelement 39 der Schaltersicherungseinheit in Eingriff, so daß, unabhängig von der Stellung des Betätigungshebels 31 und der Blockierung des Sicherungsstopsels 40 durch die Blockierstange 33 in der Einschaltstellung, eine gerastete Endstellung des Sicherungsstöpsels 40 gewährleistet ist .The locking element 37 of the locking element 35 is in engagement with a second locking element 39 of the switch fuse unit, so that, regardless of the position of the actuating lever 31 and the blocking of the fuse stopper 40 by the blocking rod 33 in the switched-on position, a latched end position of the fuse plug 40 is ensured ,
Da das Blockierelement 32 mit je einer Blockierstange 33 für jede Schaltersicherungseinheit 10 ein starres Element ist, kann der Betätigungshebel nicht in die in Fig. 2 gezeigte Stellung gelegt werden, wenn sich nur einer der Sicherungsstöpsel 40 nicht in seiner Einschaltstellung befindet.Since the blocking element 32 with a blocking rod 33 is a rigid element for each switch fuse unit 10, the operating lever cannot be placed in the position shown in FIG. 2 if only one of the fuse plugs 40 is not in its switched-on position.
Fig. 3 zeigt einen Querschnitt durch den Sicherungsstöpsel 40 und das Verriegelungselement 35 entlang der Linie A-A in Fig. 1. Der Sicherungsstöpsel 40 weist ein Befestigungselement 41 in Form eines Schwalbenschwanzes auf, der in ein korrespondierendes Gegenelement 42 des Verriegelungselements 35 eingreift, so daß eine form- und reibschlüssige Verbindung gegeben ist. Der Sicherungsstöpsel 40 ist daher einfach von oben in die Schaltersicherungseinheit 10 einschiebbar, wobei über das Befesti- gungselement 41 und das Gegenelement 42 automatisch eine zuverlässige Verbindung zwischen Sicherungsstöpsel 40 und Verriegelungselement 35 sichergestellt wird.Fig. 3 shows a cross section through the securing plug 40 and the locking element 35 along the line AA in Fig. 1. The securing plug 40 has a fastening element 41 in the form of a dovetail, which engages in a corresponding counter-element 42 of the locking element 35, so that a there is a positive and frictional connection. The fuse plug 40 can therefore be easily inserted into the switch fuse unit 10 from above, with a reliable connection between the fuse plug 40 and the locking element 35 being automatically ensured via the fastening element 41 and the counter element 42.
Es wird nochmals darauf hingewiesen, daß die dargestellten Zeichnungen lediglich schematisch sind, so daß keine Beschränkungen bezüglich der Größen und Größenverhältnisse der gezeig- ten Elemente hergeleitet werden können. Andere geometrische Ausbildungen der gezeigten Elemente können vorgenommen werden, ohne vom Gegenstand der vorliegenden Erfindung abzuweichen. It is again pointed out that the drawings shown are only schematic, so that there are no restrictions with regard to the sizes and proportions of the shown th elements can be derived. Other geometric configurations of the elements shown can be made without departing from the subject matter of the present invention.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
Schaltersicherungseinheit Gehäuse Sicherungseinsatz Schalt- und Blockiervorrichtung Betätigungshebel (Schalt- und Blockiervorr. Blockierelement Blockierstange Verriegelungselement Öffnung (Verriegelungselement) Rastelement (Verriegelungselement) Rastelemente (Schaltersicherungseinheit) Sicherungsstöpsel Befestigungselement (Sicherungsstöpsel) Gegenelement (Verriegelungselement) unterer Kontakt (Schaltersicherungseinheit) Feder (unterer Kontakt) oberer Kontakt (Schaltersicherungseinheit) Switch fuse unit Housing Fuse insert Switching and blocking device Actuating lever (switching and blocking device. Blocking element Blocking rod Locking element Opening (locking element) Locking element (locking element) Locking elements (switch fuse unit) Fuse plug Fastening element (fuse plug) Counter element (locking element) Lower contact (switch fuse unit) Spring (lower contact) Upper contact (switch unit)

Claims

Patentansprüche claims
1. Schaltsystem, bestehend aus: mindestens einer Schaltersicherungseinheit (10) mit einem Sicherungseinsatz (20) , der zwischen einer Einschaltstellung und einer Ausschaltstellung hin- und herschaltbar ist, einem Schalter zum Schließen und Unterbrechen des Stromkreises des Schaltsystems, einer Blockiervorrichtung, die ein Schließen des Stromkreises durch den Schalter verhindern kann, dadurch gekennzeichnet, daß eine kombinierte Schalt- und Blockiervorrichtung (30) vorgesehen ist, wobei an einem Betätigungshebel (31) des Schalters zum Schließen und Unterbrechen des Stromkreises ein Blockierelement (32) mit mindestens einer Blockierstange (33) je Schaltersicherungseinheit (10) befestigt ist, für jede Schaltersicherungseinheit (10) ein Verriegelungselement (35) mit einer Öffnung (36) vorgesehen ist, das so in der Schaltersicherungseinheit (20) angeordnet ist, daß es zusammen mit dem zugehörigen Sicherungseinsatz (20) hin- und herschaltbar ist, und wobei eine Blockierstange (33) nur dann in die Öffnung (36) des zugehörigen Verriegelungselements (35) einführbar ist, wenn sich der zugehörige Sicherungseinsatz (20) in seiner Einschaltstellung befindet, der Betätigungshebel (31) des Schalters nur dann zum Schließen des Stromkreises umgelegt werden kann, wenn jede Blockierstange (33) in die zugehörige Öffnung (36) des Verriegelungselements (35) einführbar ist, und ein Sicherungseinsatz (10) nicht in seine Ausschaltstellung bewegt werden kann, wenn die zugehörige Blockierstange (33) in die Öffnung (36) des zugehörigen Verriegelungselements (35) eingeführt ist.1.Switching system, comprising: at least one switch fuse unit (10) with a fuse link (20) which can be switched back and forth between an on position and an off position, a switch for closing and interrupting the circuit of the switching system, a blocking device which closes of the circuit by means of the switch, characterized in that a combined switching and blocking device (30) is provided, a blocking element (32) having at least one blocking rod (33 ) is secured for each switch fuse unit (10), a locking element (35) with an opening (36) is provided for each switch fuse unit (10), which is arranged in the switch fuse unit (20) in such a way that it together with the associated fuse link (20) can be switched back and forth, and wherein a blocking rod (33) n Only then can be inserted into the opening (36) of the associated locking element (35) when the associated fuse link (20) is in its switched-on position, the actuating lever (31) of the switch can only be flipped over to close the circuit when each blocking rod (33) can be inserted into the associated opening (36) of the locking element (35), and a fuse link (10) cannot be moved into its switch-off position if the associated blocking rod (33) is inserted into the opening (36) of the associated locking element (35).
2. Schaltsystem nach Anspruch 1, dadurch gekennzeichnet, daß eine Schaltersicherungseinheit (10) einen Sicherungsstöpsel (40) zur Aufnahme des Ξicherungseinsatzes (20) aufweist, wobei der Sicherungsstöpsel (40) zwischen einer Einschaltstellung und einer Ausschaltstellung hin- und herschaltbar ist .2. Switching system according to claim 1, characterized in that a switch fuse unit (10) has a fuse plug (40) for receiving the fuse insert (20), the fuse plug (40) being switchable between an on position and an off position.
3. Schaltsystem nach Anspruch 2, dadurch gekennzeichnet, daß das Verriegelungselement (35) an dem Sicherungsstöpsel (40) befestigt ist.3. Switching system according to claim 2, characterized in that the locking element (35) is fastened to the securing plug (40).
4. Schaltsystem nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß eine Schaltersicherungseinheit (10) eine Schaltwippe zur Aufnahme des Sicherungseinsatzes (20) oder des Sicherungsstopsels (40) aufweist, wobei die4. Switching system according to one of claims 1 or 2, characterized in that a switch fuse unit (10) has a rocker switch for receiving the fuse link (20) or the fuse stopper (40), the
Schaltwippe zwischen einer Einschaltstellung und einer Ausschaltstellung hin- und herschaltbar ist.The rocker switch can be switched back and forth between an on position and an off position.
5. Schaltsystem nach Anspruch 4, dadurch gekennzeichnet, daß das Verriegelungselement an der Schaltwippe befestigt ist.5. Switching system according to claim 4, characterized in that the locking element is attached to the rocker switch.
6. Schaltsystem nach Anspruch 4, dadurch gekennzeichnet, daß das Verriegelungselement integral mit der Schaltwippe ausgebildet ist.6. Switching system according to claim 4, characterized in that the locking element is integrally formed with the rocker switch.
Schaltsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Verriegelungselement (35) als Führungselement ausgebildet ist. Schaltsystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Verriegelungselement (35) mindestens ein Rastelement (37) aufweist, das in der Ausschaltstellung und/oder der Einschaltstellung des Siche- rungseinsatzes (20) , des Sicherungsstopsels (40) und/oder der Schaltwippe mit einem korrespondierenden Rastelement (38, 39) der Schaltersicherungseinheit (10) in Eingriff steht . Switching system according to one of the preceding claims, characterized in that the locking element (35) is designed as a guide element. Switching system according to one of the preceding claims, characterized in that the locking element (35) has at least one latching element (37) which, in the switched-off position and / or the switched-on position of the fuse link (20), the fuse stopper (40) and / or the Switch rocker is in engagement with a corresponding latching element (38, 39) of the switch protection unit (10).
EP00949382A 1999-07-22 2000-07-20 Switching system with a combined switching and blocking device Expired - Lifetime EP1198806B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19934539 1999-07-22
DE29912859U 1999-07-22
DE29912859U DE29912859U1 (en) 1999-07-22 1999-07-22 Switching system with combined switching and blocking device
DE1999134539 DE19934539C1 (en) 1999-07-22 1999-07-22 Switching system with switch fuse units has combined switching and blocking device preventing movement into closed switch position unless fuse links for each switch fuse unit are in active position
PCT/EP2000/006937 WO2001008179A1 (en) 1999-07-22 2000-07-20 Switching system with a combined switching and blocking device

Publications (2)

Publication Number Publication Date
EP1198806A1 true EP1198806A1 (en) 2002-04-24
EP1198806B1 EP1198806B1 (en) 2004-09-29

Family

ID=26054306

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00949382A Expired - Lifetime EP1198806B1 (en) 1999-07-22 2000-07-20 Switching system with a combined switching and blocking device

Country Status (9)

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US (1) US6833519B1 (en)
EP (1) EP1198806B1 (en)
CN (1) CN1175445C (en)
AT (1) ATE278247T1 (en)
AU (1) AU764845B2 (en)
CZ (1) CZ300884B6 (en)
DE (1) DE50008018D1 (en)
PL (1) PL195723B1 (en)
WO (1) WO2001008179A1 (en)

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PL3016122T3 (en) * 2014-10-31 2017-04-28 Klaus Bruchmann Gmbh Multi-pole switch fuse assembly for busbar systems
CN115333052B (en) * 2022-10-12 2022-12-23 深圳市伟业永升科技有限公司 Emergency protection device installed on integrated circuit equipment

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See references of WO0108179A1 *

Also Published As

Publication number Publication date
ATE278247T1 (en) 2004-10-15
AU764845B2 (en) 2003-09-04
AU6276000A (en) 2001-02-13
CZ300884B6 (en) 2009-09-02
CN1363103A (en) 2002-08-07
PL353016A1 (en) 2003-10-06
US6833519B1 (en) 2004-12-21
WO2001008179A1 (en) 2001-02-01
DE50008018D1 (en) 2004-11-04
CN1175445C (en) 2004-11-10
EP1198806B1 (en) 2004-09-29
PL195723B1 (en) 2007-10-31
CZ2002242A3 (en) 2002-06-12

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