EP2485231A1 - Locking device for locking the handling of electrical switches - Google Patents

Locking device for locking the handling of electrical switches Download PDF

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Publication number
EP2485231A1
EP2485231A1 EP11194635A EP11194635A EP2485231A1 EP 2485231 A1 EP2485231 A1 EP 2485231A1 EP 11194635 A EP11194635 A EP 11194635A EP 11194635 A EP11194635 A EP 11194635A EP 2485231 A1 EP2485231 A1 EP 2485231A1
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EP
European Patent Office
Prior art keywords
locking
safety slide
handle
safety
locking device
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
EP11194635A
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German (de)
French (fr)
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EP2485231B1 (en
Inventor
Libor Krivanek
Klaus GRÜL
Harald Krieger
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Siemens AG
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Siemens AG
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Publication of EP2485231A1 publication Critical patent/EP2485231A1/en
Application granted granted Critical
Publication of EP2485231B1 publication Critical patent/EP2485231B1/en
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    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • H01H9/262—Interlocking, locking, or latching mechanisms for interlocking two or more switches using flexible transmission elements, e.g. Bowden cable

Definitions

  • Electric switches generally serve to switch currents. These circuit breakers are typically installed in control cabinets.
  • a control cabinet contains several circuit breakers.
  • each circuit breaker has a so-called handle, which is a toggle switch. About a tilting movement of the circuit breaker can be switched on or off.
  • a mechanism ensures that the handle switches all poles simultaneously. With multiple circuit breakers in a cabinet, it may be desired that only one of these switches can be turned on and the others are turned off.
  • the locking device comprises at least two safety slide each with a final position for locking and a final position to release the operation of an associated handle electrical switch and at least one means for transmitting the locking position of the individual safety slide, each safety slide with each other Locking slide is connected via a respective means for transmitting the locking position, and wherein, when a safety slide is held in the Endpositionswolf to release the operation of the associated handle, all other safety slides are blocked via the means for transmitting the locking position in the respective Endpositionswolf for locking.
  • the locking device prevents unintentional actuation of a handle when another handle is actuated. Furthermore, it is advantageous that the safety slides block the handles, but do not have to transmit the forces during actuation of the electrical switch, so that the means for transmitting the locking position are only slightly mechanically stressed. As a result, the funds u.a. less stretched or pulled and it is ensured that no readjustment is necessary.
  • the safety slide can be held by the associated handle in the Endpositionswolf to release the operation of the associated handle.
  • each means for transmitting the locking position is designed as a traction-transmitting means.
  • each traction-transmitted means is designed as a Bowden cable. Due to the adjustment possibility of the lengths of the Bowden cables of the locking device electrical switches of different sizes can be mutually locked at different positions within a control cabinet. Furthermore, it is advantageous that more than two electrical switches can be mutually locked by the use of Bowden cables.
  • a Bowden cable may comprise a wire rope and a sheath which is stable in the direction of travel.
  • the traction-transmitting means may be formed as tie rods or traction cables.
  • each safety slide is connected to a tensile member such that upon actuation of the safety slide, the movement is transmitted to the tension member, and each Bowden cable of a safety slide is connected via the respective tension member with this.
  • the safety slide and the pulling part can be mounted on a holder.
  • This holder may comprise at least one hooking point and at least one hole for a fastening means for mounting on the electrical switch.
  • FIG. 1 an electrical switch 10 is shown.
  • the electrical switch is switched on or off with a handle 11.
  • the electrical switch 10 has three pole cassettes 1010, 1020, 1030.
  • Each polar cassette is equipped with a moving contact and a fixed contact for switching on or off a phase of the current.
  • the moving contact of each polarizing cassette 1010, 1020, 1030 is switched by means of a triggering mechanism by means of the handle 11.
  • a locking device 100 for locking three handles of electrical switches is shown.
  • a first electrical switch 10 comprises a handle 11 for switching this switch on or off.
  • a second switch 20 comprises a second handle 21 for electrically switching on or off this switch.
  • a third switch 30 comprises a handle 31 for switching this switch on or off.
  • Each switch 10, 20, 30 comprises a safety slide 17, 27, 37 with an end position for locking and an end position for releasing the operation of the associated handle.
  • the first switch 10 includes the safety slide 17 for locking or releasing the operation of the handle 11.
  • the second switch 20 includes the safety slide 27 for locking or releasing the operation of the handle 21.
  • the third switch 30 includes the safety slide 37 for locking or Release of the operation of the handle 31.
  • the safety slide 17 locks the actuation of the handle 11 in that the safety slide 17 is in the tilting path of the handle 11.
  • the handle 11 can not be moved away from the "off" position, which in the illustration is the lower position of the handle 11.
  • the safety slide 17 blocks the movement of the handle 11 in the upward direction.
  • the handle 21 of the second switch 20 is also held in the Endpositionswolf for locking the operation of the handle 21.
  • the safety slide 27 blocks the tilting of the handle 21, so that it can not be transferred to the upper position.
  • the safety slide 37 of the third electrical switch 30 is in the Endpositionswolf for releasing the operation of the handle 31. Due to that in the Fig.
  • the safety slide is in the right position, which represents the end position to release the operation of the handle 31, the handle 31 can be moved freely.
  • Fig. 2 It is shown that the handle 31 is in the "on” position, which is the upper position. Likewise, however, the handle 31 could also be in the lower “off” position. Characterized in that the safety slide 37 is in the Endpositionswolf to release the operation of the handle 31, it can be moved to any position.
  • the assignment of the position of the handles 11, 21, 31 to the switch position of the electrical switches 10, 20, 30 can also be reversed.
  • the lower position of the handle could thus be the "on” position and the upper position the “off” position.
  • the safety slide 17, 27, 37 would then be designed so that the handles 11, 21, 31 are blocked in the upper position.
  • each safety slide 17, 27, 37 is transmitted to a tensile member 18, 28, 38.
  • the exact mechanism will be in the following Figures 3 . 4 and 5 explained in more detail.
  • Bowden cables 212, 213 and 223 are attached, which serve as means for transmitting the locking position of the individual safety slide 17, 27, 37.
  • Each safety slide is connected to every other safety slide via a Bowden cable.
  • the safety slide 17 is connected via the tension member 18 by means of the Bowden cable 212 to the tension member 28 and thereby to the safety slide 21.
  • the safety slide 17 is connected via the tension member 18 by means of the Bowden cable 213 with the tension member 38 and thereby with the safety slide 37.
  • the safety slide 27 is connected via the tension member 28 by means of the Bowden cable 223 with the tension member 38 and thus with the safety slide 37.
  • Fig. 2 is the safety slide 37 of the third electrical switch 30 in the Endpositionswolf to release the operation of the handle 31.
  • the safety slide 37 associated tension member 38 By the securing slide 37 associated tension member 38, the safety slide 37 associated Bowden cables 213 and 223 are stretched.
  • the safety slide 37 is held in the final position to release the operation of the handle 31, as shown in FIG Fig. 2 by the position of the handle in "on" position is the case, can not be brought into a lower position by the tensioning of the Bowden cable 213, the tension member 18 of the first electrical switch 10, thereby it is not possible, the safety slide 17 in the Endpositionswolf for release. The safety slide 17 is thus blocked in the Endpositionswolf for locking.
  • a safety slide 17, 27, 37 can only in the final position to release the associated handle 11, 21, 31, transferred, when all the handles 11, 21, 31 are in the "off" position. If this is the case, for example, the safety slide 37 of the third electrical switch 30 can be transferred to the end position to release the operation of the handle 31, as in Fig. 2 is shown.
  • the safety slide 27 is actuated and transferred to the Endpositionswolf to release the operation of the handle 21, the Bowden cables 212 and 223 are stretched , If the safety slide 27 subsequently by the associated handle 21 in the Endpositionswolf held to release and the Bowden cable 212 is tensioned, the tension member 18 can not be transferred to a lower position. Therefore, it is not possible to convert the safety slide 17 in the Endpositionswolf to release the operation of the handle 11. The safety slide 17 is blocked in the end position for locking.
  • the Bowden cables 212, 213 and 223 each comprise a wire rope and a sheath which is stable in the direction of travel.
  • the lengths of the wire ropes are chosen so that the one wire, which connects two tension members, it allows only one of these tension members can be transferred to the lower position and thereby converted only one of the associated safety slide in the Endpositionswolf to release the operation of the associated handle can be. Since the electrical switches 10, 20, 30 can be located at different positions in a control cabinet, the wire cable lengths of the individual Bowden cables are typically different.
  • the wire cables of the Bowden cables 212, 213 and 223 must be adapted to the respective position of the switches 10, 20, 30 in the control cabinet.
  • the length of the wire cables of the Bowden cables 212, 213, 223 is selected so that in each case only one safety slide 17, 27, 37 can be transferred to the end position to release the operation of the associated handle.
  • the Bowden cables 212, 213 and 223 can also be replaced by other traction-transmitting means, for example by tie rods or traction cables. The important thing is to make sure that upon actuation of a safety slide 17, 27, 37 all other safety slides are blocked via the traction-transmitting means in the Endpositionswolf for locking.
  • Fig. 3 shows an embodiment of a safety slide 7.
  • the movement of the safety slide 7 is transmitted to a tensile member 8, are attached to the two Bowden cables 2 and 2 '.
  • the movement on the tension member 8 is transmitted via a bolt 9 fixed to the safety slide 7, which runs in a slot 10 of the tension member 8.
  • the safety slide 7 and the tensile part 8 are mounted on a holder 3.
  • Holder 3 has a Einhaktician 5 and at least one hole 4. Thereby, the holder can be hooked to an electrical switch on one side by means of the hooking point 5 and fastened by fastening means, such as screws, through the hole 4 through the switch.
  • the safety slide 17, 27, 37 and the tension members 18, 28, 38 according to Fig. 2 are like in Fig. 3 formed and fastened by means of holders 13, 23, 33 to the switches 10, 20, 30.
  • the holder 13 of the safety slide 17 and the pulling part 18 is hooked by means of a Einhakticians 15 on the housing of the first switch 10 and fastened by means of screws through a hole 14.
  • the holder 23 of the securing slide 27 and the pulling member 28 is hooked by means of a Einhak Vietnameses 25 on the housing of the second switch 20 and fastened by means of screw holes 24.
  • the holder 33 of the safety slide 37 and the tension member 38 is hooked by means of a Einhakticians 35 on the housing of the third switch 30 and fixed by means of screws through a hole 34.
  • Fig. 4 shows the holder 3 with the safety slide 7 and the tension member 8 in the Endpositionswolf to release the operation of an associated handle.
  • the Bowden cable 2 is excited by the fact that the tension member 8 has been brought into an Endpositionserin the maximum tension of the Bowden cable 2.
  • the movement of the safety slide 7 was transmitted via the bolt 9 on the tension member 8.
  • the bolt 9 runs in the slot 10 of the tension member 8.
  • the Endpositionswolf to release the operation of the associated handle corresponds to an end position of the bolt 9 in the slot 10th
  • Fig. 5 the holder 3 is shown with the safety slide 7 and the tension member 8 in the Endpositionswolf for locking. Characterized in that the safety slide 7 is in the Endpositionswolf for locking, the pin 9 is in the other end position of the elongated hole 10 of the tension member 8. In this position, the Bowden cable 2 is not tensioned.
  • Fig. 2 the inventive locking device 100 for locking three handles 11, 21, 31 electrical switch 10, 20, 30 has been explained in more detail.
  • three means 212, 213, 223 for transmitting the locking position of the individual safety slide 17, 27, 37 were required.
  • the locking device 100 according to the invention may also be used to lock a different number of electrical switch handles together.
  • Fig. 6 the locking device 100 according to the invention for locking two handles 11, 21 electrical switches 10, 20 is shown.
  • a means 212 for transmitting the locking position of the individual safety slide 17, 27 is necessary.
  • the two safety slides 17, 37 are mechanically connected to each other, and it is ensured that only one handle 11, 21 can be transferred to the Endpositionswolf for release.
  • Fig. 6 the safety slide 27 is shown in the Endpositionswolf to release the handle 21.
  • About the tension member 28 of the Bowden cable 212 is tensioned.
  • the tension member 18 of the safety slide 17 can be transferred to a lower position and thereby the safety slide 17 in the Endpositionswolf to release the operation of the handle 11.
  • the safety slide 17 is in blocked the end position position for locking.
  • the handle 21 is transferred to the lower "off" position, the safety slide 27 can be transferred to the final position for locking. Only now is it possible that the safety slide 17 can be transferred to the end position to release the operation of the handle 11. This ensures that only one of the handles 11 and 21 can be actuated and thus only one electrical switch 10 or 20 can be actuated.
  • both handles 11 and 21 may be in the "off" position.
  • the locking device 100 can also be used for four or more electrical switches, it is only necessary that each safety slide is connected to each other safety slide via a means for transmitting the locking position.
  • the means for transmitting the locking position transmit only the forces between the respective safety slides. Therefore, the Bowden cables of these agents are only slightly mechanically stressed because they are less stretched or pulled. There is no readjustment necessary.
  • the handles 11, 21, 31 are each associated with and mounted on an electrical switch 10, 20, 30. But it is possible that two or more handles belong to an application and are locked with the locking device according to the invention.
  • an electrical application can have two handles and one of these two handles is provided with a safety slide according to the locking device according to the invention. In this example, this handle would be locked with other handles of other switches so that only one of the handles can be operated.
  • an application has three handles and it is ensured by the locking device according to the invention that only one of these three handles can be actuated.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Breakers (AREA)

Abstract

The device (100) has safety locks (17, 27, 37) including respective end position conditions for locking and releasing actuation of handles (11, 21, 31) of electrical switches (10, 20, 30). Bowden cables (212, 213, 223) transfer a locking position of the safety locks. Each safety lock is connected with the other safety locks by the Bowden cables. The safety locks are blocked by the Bowden cables in the end position condition for locking when one of the safety locks is held in the end position condition for releasing actuating of the handles.

Description

Elektrische Schalter allgemein dienen dem Schalten von Strömen. Diese Leistungsschalter werden typischerweise in Schaltschränke eingebaut. Dabei enthält ein Schaltschrank mehrere Leistungsschalter. Typischerweise hat jeder Leistungsschalter eine so genannte Handhabe, die einen Kippschalter darstellt. Über eine Kippbewegung kann der Leistungsschalter ein- beziehungsweise ausgeschaltet werden. Bei Leistungsschaltern, die mehrpolig ausgebildet sind, wird über eine Mechanik sichergestellt, dass die Handhabe alle Pole gleichzeitig schaltet. Bei mehreren Leistungsschaltern in einem Schaltschrank kann es gewünscht sein, dass immer nur einer dieser Schalter eingeschaltet werden kann und die anderen ausgeschaltet sind.Electric switches generally serve to switch currents. These circuit breakers are typically installed in control cabinets. A control cabinet contains several circuit breakers. Typically, each circuit breaker has a so-called handle, which is a toggle switch. About a tilting movement of the circuit breaker can be switched on or off. With circuit breakers that are designed with multiple poles, a mechanism ensures that the handle switches all poles simultaneously. With multiple circuit breakers in a cabinet, it may be desired that only one of these switches can be turned on and the others are turned off.

Es ist Aufgabe der Erfindung, eine Verriegelungsvorrichtung zum Verriegeln von Handhaben elektrischer Schalter bereitzustellen.It is an object of the invention to provide a locking device for locking handles of electrical switches.

Die Aufgabe wird gelöst gemäß Anspruch 1. Die Verriegelungsvorrichtung umfasst mindestens zwei Sicherungsschieber mit jeweils einer Endpositionsstellung zum Verriegeln und einer Endpositionsstellung zur Freigabe der Betätigung einer zugeordneten Handhabe elektrischer Schalter und mindestens ein Mittel zur Übertragung der Verriegelungsposition der einzelnen Sicherungsschieber, wobei jeder Sicherungsschieber mit jedem anderen Sicherungsschieber über jeweils ein Mittel zur Übertragung der Verriegelungsposition verbunden ist, und wobei, wenn ein Sicherungsschieber in der Endpositionsstellung zur Freigabe der Betätigung der zugeordneten Handhabe gehalten wird, alle anderen Sicherungsschieber über die Mittel zur Übertragung der Verriegelungsposition in der jeweiligen Endpositionsstellung zum Verriegeln blockiert sind.The object is achieved according to claim 1. The locking device comprises at least two safety slide each with a final position for locking and a final position to release the operation of an associated handle electrical switch and at least one means for transmitting the locking position of the individual safety slide, each safety slide with each other Locking slide is connected via a respective means for transmitting the locking position, and wherein, when a safety slide is held in the Endpositionsstellung to release the operation of the associated handle, all other safety slides are blocked via the means for transmitting the locking position in the respective Endpositionsstellung for locking.

Vorteilhaft ist, dass die Verriegelungsvorrichtung ein unbeabsichtigtes Betätigen einer Handhabe verhindert, wenn eine andere Handhabe betätigt ist. Des Weiteren ist vorteilhaft, dass die Sicherungsschieber zwar die Handhaben blockieren, aber nicht die Kräfte beim Betätigen des elektrischen Schalters übertragen müssen, so dass die Mittel zur Übertragung der Verriegelungsposition nur schwach mechanisch belastet werden. Dadurch werden die Mittel u.a. weniger stark gedehnt bzw. gezogen und es ist gewährleistet, dass keine Nachjustage notwendig wird.It is advantageous that the locking device prevents unintentional actuation of a handle when another handle is actuated. Furthermore, it is advantageous that the safety slides block the handles, but do not have to transmit the forces during actuation of the electrical switch, so that the means for transmitting the locking position are only slightly mechanically stressed. As a result, the funds u.a. less stretched or pulled and it is ensured that no readjustment is necessary.

Der Sicherungsschieber kann von der zugeordneten Handhabe in der Endpositionsstellung zur Freigabe der Betätigung der zugeordneten Handhabe gehalten werden.The safety slide can be held by the associated handle in the Endpositionsstellung to release the operation of the associated handle.

In einer Ausgestaltung der Erfindung ist jedes Mittel zur Übertragung der Verriegelungsposition als zugkraftübertragendes Mittel ausgebildet.In one embodiment of the invention, each means for transmitting the locking position is designed as a traction-transmitting means.

Vorteilhafterweise ist jedes zugkraftübertragene Mittel als Bowdenzug ausgebildet. Durch die Justiermöglichkeit der Längen der Bowdenzüge der Verriegelungsvorrichtung können elektrische Schalter unterschiedlicher Baugröße an unterschiedlichen Positionen innerhalb eines Schaltschrankes gegenseitig verriegelt werden. Ferner ist es vorteilhaft, dass durch die Verwendung von Bowdenzügen mehr als zwei elektrische Schalter gegenseitig verriegelt werden können. Ein Bowdenzug kann ein Drahtseil und eine in Verlaufsrichtung stabile Hülle umfassen. Alternativ können die zugkraftübertragenden Mittel als Zugstangen oder Zugseile ausgebildet sein.Advantageously, each traction-transmitted means is designed as a Bowden cable. Due to the adjustment possibility of the lengths of the Bowden cables of the locking device electrical switches of different sizes can be mutually locked at different positions within a control cabinet. Furthermore, it is advantageous that more than two electrical switches can be mutually locked by the use of Bowden cables. A Bowden cable may comprise a wire rope and a sheath which is stable in the direction of travel. Alternatively, the traction-transmitting means may be formed as tie rods or traction cables.

Vorteilhafterweise ist in der Endpositionsstellung zur Freigabe der Betätigung der zugeordneten Handhabe eines Sicherungsschiebers jeder Bowdenzug dieses Sicherungsschiebers gespannt. Dadurch sind alle anderen Sicherungsschieber in der Endpositionsstellung zum Verriegeln blockiert.Advantageously, in the end position to release the operation of the associated handle of a safety slide each Bowden cable this safety slide is stretched. As a result, all other safety slide are blocked in the final position for locking.

In einer Weiterbildung der Erfindung ist jeder Sicherungsschieber derart mit einem Zugteil verbunden, dass bei Betätigung des Sicherungsschiebers die Bewegung auf das Zugteil übertragen wird, und jeder Bowdenzug eines Sicherungsschiebers ist über das jeweilige Zugteil mit diesem verbunden.In a further development of the invention, each safety slide is connected to a tensile member such that upon actuation of the safety slide, the movement is transmitted to the tension member, and each Bowden cable of a safety slide is connected via the respective tension member with this.

Die Übertragung der Betätigung eines Sicherungsschiebers auf das jeweilige Zugteil kann mit Vorteil mittels eines am Sicherungsschieber befestigten Bolzen erfolgen.The transfer of the operation of a safety slide on the respective tensile part can be done with advantage by means of a bolt attached to the safety slide.

Der Sicherungsschieber und das Zugteil können auf einem Halter montiert sein. Dieser Halter kann zumindest einen Einhakpunkt und zumindest ein Loch für ein Befestigungsmittel zur Montage am elektrischen Schalter umfassen.The safety slide and the pulling part can be mounted on a holder. This holder may comprise at least one hooking point and at least one hole for a fastening means for mounting on the electrical switch.

Die Erfindung wird im Weiteren anhand der nachfolgenden Figuren beschrieben.

  • Fig. 1: Elektrischer Schalter mit Handhabe,
  • Fig. 2: Verriegelungsvorrichtung zum Verriegeln von drei Handhaben elektrischer Schalter,
  • Fig. 3: Halter einer Verriegelungsvorrichtung mit Sicherungsschieber und Zugteil,
  • Fig. 4: Halter einer Verriegelungsvorrichtung in der Endpositionsstellung zur Freigabe der Betätigung der zugeordneten Handhabe,
  • Fig. 5: Halter einer Verriegelungsvorrichtung in der Endpositionsstellung zur Blockierung der Betätigung der zugeordneten Handhabe,
  • Fig. 6: Verriegelungsvorrichtung zum Verriegeln von zwei Handhaben elektrischer Schalter.
The invention will be described below with reference to the following figures.
  • Fig. 1 : Electric switch with handle,
  • Fig. 2 : Locking device for locking three handles of electrical switches,
  • Fig. 3 : Holder of a locking device with safety slide and tension part,
  • Fig. 4 : Holder of a locking device in the end position to release the operation of the associated handle,
  • Fig. 5 : Holder of a locking device in the end position for blocking the operation of the associated handle,
  • Fig. 6 : Locking device for locking two handles of electrical switches.

In Fig. 1 ist ein elektrischer Schalter 10 dargestellt. Der elektrische Schalter wird mit einer Handhabe 11 ein- beziehungsweise ausgeschaltet. Der elektrische Schalter 10 weist drei Polkassetten 1010, 1020, 1030 auf. Jede Polkassette ist mit einem Bewegkontakt und einem Festkontakt ausgestattet zum Ein- beziehungsweise Ausschalten einer Phase des Stromes. Der Bewegkontakt einer jeden Polkassette 1010, 1020, 1030 wird über eine Auslösemechanik mittels der Handhabe 11 geschaltet.In Fig. 1 an electrical switch 10 is shown. The electrical switch is switched on or off with a handle 11. The electrical switch 10 has three pole cassettes 1010, 1020, 1030. Each polar cassette is equipped with a moving contact and a fixed contact for switching on or off a phase of the current. The moving contact of each polarizing cassette 1010, 1020, 1030 is switched by means of a triggering mechanism by means of the handle 11.

In Fig. 2 ist eine Verriegelungsvorrichtung 100 zum Verriegeln von drei Handhaben elektrischer Schalter dargestellt. Ein erster elektrischer Schalter 10 umfasst eine Handhabe 11 zum Ein- beziehungsweise Ausschalten dieses Schalters. Ein zweiter Schalter 20 umfasst eine zweite Handhabe 21 zum elektrischen Ein- beziehungsweise Ausschalten dieses Schalters. Ein dritter Schalter 30 umfasst eine Handhabe 31 zum Ein- beziehungsweise Ausschalten dieses Schalters. Jeder Schalter 10, 20, 30 umfasst einen Sicherungsschieber 17, 27, 37 mit einer Endpositionsstellung zum Verriegeln und einer Endpositionsstellung zur Freigabe der Betätigung der zugeordneten Handhabe. Der erste Schalter 10 umfasst den Sicherungsschieber 17 zum Verriegeln oder zur Freigabe der Betätigung der Handhabe 11. Der zweite Schalter 20 umfasst den Sicherungsschieber 27 zum Verriegeln oder zur Freigabe der Betätigung der Handhabe 21. Der dritte Schalter 30 umfasst den Sicherungsschieber 37 zum Verriegeln oder zur Freigabe der Betätigung der Handhabe 31.In Fig. 2 For example, a locking device 100 for locking three handles of electrical switches is shown. A first electrical switch 10 comprises a handle 11 for switching this switch on or off. A second switch 20 comprises a second handle 21 for electrically switching on or off this switch. A third switch 30 comprises a handle 31 for switching this switch on or off. Each switch 10, 20, 30 comprises a safety slide 17, 27, 37 with an end position for locking and an end position for releasing the operation of the associated handle. The first switch 10 includes the safety slide 17 for locking or releasing the operation of the handle 11. The second switch 20 includes the safety slide 27 for locking or releasing the operation of the handle 21. The third switch 30 includes the safety slide 37 for locking or Release of the operation of the handle 31.

In Fig. 2 verriegelt der Sicherungsschieber 17 die Betätigung der Handhabe 11 dadurch, dass sich der Sicherungsschieber 17 im Kippweg der Handhabe 11 befindet. Die Handhabe 11 kann somit nicht von der "Aus"-Stellung, welche in der Darstellung die untere Position der Handhabe 11 ist, wegbewegt werden. Der Sicherungsschieber 17 blockiert das Bewegen der Handhabe 11 in die Richtung nach oben. Die Handhabe 21 des zweiten Schalters 20 wird ebenfalls in der Endpositionsstellung zum Verriegeln der Betätigung der Handhabe 21 gehalten. Der Sicherungsschieber 27 blockiert den Kippweg der Handhabe 21, so dass diese nicht in die obere Stellung überführt werden kann. Der Sicherungsschieber 37 des dritten elektrischen Schalters 30 ist in der Endpositionsstellung zur Freigabe der Betätigung der Handhabe 31. Dadurch, dass sich in der Fig. 2 der Sicherungsschieber in der rechten Position befindet, welche die Endpositionsstellung zur Freigabe der Betätigung der Handhabe 31 darstellt, kann die Handhabe 31 frei bewegt werden. In Fig. 2 ist dargestellt, dass sich die Handhabe 31 in der "Ein"- Stellung befindet, welche die obere Position ist. Ebenso könnte aber auch die Handhabe 31 in der unteren "Aus"-Stellung sein. Dadurch, dass der Sicherungsschieber 37 in der Endpositionsstellung zur Freigabe der Betätigung der Handhabe 31 ist, kann diese in jede beliebige Position bewegt werden.In Fig. 2 the safety slide 17 locks the actuation of the handle 11 in that the safety slide 17 is in the tilting path of the handle 11. Thus, the handle 11 can not be moved away from the "off" position, which in the illustration is the lower position of the handle 11. The safety slide 17 blocks the movement of the handle 11 in the upward direction. The handle 21 of the second switch 20 is also held in the Endpositionsstellung for locking the operation of the handle 21. The safety slide 27 blocks the tilting of the handle 21, so that it can not be transferred to the upper position. The safety slide 37 of the third electrical switch 30 is in the Endpositionsstellung for releasing the operation of the handle 31. Due to that in the Fig. 2 the safety slide is in the right position, which represents the end position to release the operation of the handle 31, the handle 31 can be moved freely. In Fig. 2 It is shown that the handle 31 is in the "on" position, which is the upper position. Likewise, however, the handle 31 could also be in the lower "off" position. Characterized in that the safety slide 37 is in the Endpositionsstellung to release the operation of the handle 31, it can be moved to any position.

Die Zuordnung der Position der Handhaben 11, 21, 31 zu der Schalterstellung der elektrischen Schalter 10, 20, 30 kann auch umgekehrt sein. Die untere Stellung der Handhabe könnte somit die "Ein"- Stellung sein und die obere Stellung die "Aus"-Stellung. Die Sicherungsschieber 17, 27, 37 wären dann so ausgebildet, dass die Handhaben 11, 21, 31 in der oberen Stellung blockiert werden.The assignment of the position of the handles 11, 21, 31 to the switch position of the electrical switches 10, 20, 30 can also be reversed. The lower position of the handle could thus be the "on" position and the upper position the "off" position. The safety slide 17, 27, 37 would then be designed so that the handles 11, 21, 31 are blocked in the upper position.

Die Bewegung eines jeden Sicherungsschiebers 17, 27, 37, wird auf ein Zugteil 18, 28, 38 übertragen. Der genaue Mechanismus wird in den folgenden Figuren 3, 4 und 5 näher erläutert. An den Zugteilen 18, 28, 38 sind Bowdenzüge 212, 213 und 223 befestigt, die als Mittel zur Übertragung der Verriegelungsposition der einzelnen Sicherungsschieber 17, 27, 37 dienen. Jeder Sicherungsschieber ist mit jedem anderen Sicherungsschieber über einen Bowdenzug verbunden. Der Sicherungsschieber 17 ist über das Zugteil 18 mittels des Bowdenzugs 212 mit dem Zugteil 28 und dadurch mit dem Sicherungsschieber 21 verbunden. Der Sicherungsschieber 17 ist über das Zugteil 18 mittels des Bowdenzugs 213 mit dem Zugteil 38 und dadurch mit dem Sicherungsschieber 37 verbunden. Der Sicherungsschieber 27 ist über das Zugteil 28 mittels des Bowdenzugs 223 mit dem Zugteil 38 und damit mit dem Sicherungsschieber 37 verbunden.The movement of each safety slide 17, 27, 37 is transmitted to a tensile member 18, 28, 38. The exact mechanism will be in the following Figures 3 . 4 and 5 explained in more detail. On the tension members 18, 28, 38 Bowden cables 212, 213 and 223 are attached, which serve as means for transmitting the locking position of the individual safety slide 17, 27, 37. Each safety slide is connected to every other safety slide via a Bowden cable. The safety slide 17 is connected via the tension member 18 by means of the Bowden cable 212 to the tension member 28 and thereby to the safety slide 21. The safety slide 17 is connected via the tension member 18 by means of the Bowden cable 213 with the tension member 38 and thereby with the safety slide 37. The safety slide 27 is connected via the tension member 28 by means of the Bowden cable 223 with the tension member 38 and thus with the safety slide 37.

In Fig. 2 ist der Sicherungsschieber 37 des dritten elektrischen Schalters 30 in der Endpositionsstellung zur Freigabe der Betätigung der Handhabe 31. Durch das dem Sicherungsschieber 37 zugeordnete Zugteil 38 werden die den Sicherungsschieber 37 zugeordneten Bowdenzüge 213 und 223 gespannt. Wenn der Sicherungsschieber 37 in der Endpositionsstellung zur Freigabe der Betätigung der Handhabe 31 gehalten wird, wie es in Fig. 2 durch die Stellung der Handhabe in "Ein"-Stellung der Fall ist, kann durch das Spannen des Bowdenzugs 213 das Zugteil 18 des ersten elektrischen Schalters 10 nicht in eine untere Position gebracht werden, dadurch ist es nicht möglich, den Sicherungsschieber 17 in die Endpositionsstellung zur Freigabe überzuführen. Der Sicherungsschieber 17 ist somit in der Endpositionsstellung zum Verriegeln blockiert. Dadurch, dass der Bowdenzug 223 gespannt ist und der Sicherungsschieber 37 in der Endpositionsstellung zur Freigabe der Betätigung der Handhabe 31 gehalten wird, kann das Zugteil 28 des zweiten elektrischen Schalters 20 nicht in eine untere Position übergeführt werden. Somit ist es nicht möglich, den Sicherungsschieber 27 in eine Endpositionsstellung zur Freigabe der Betätigung der Handhabe 21 überzuführen. Sicherungsschieber 27 ist somit in der Endpositionsstellung zum Verriegeln blockiert. Insgesamt ergibt sich, da der Sicherungsschieber 37 in der Endpositionsstellung zur Freigabe der Betätigung der Handhabe 31 gehalten wird, dass alle anderen Sicherungsschieber 17, 27 in der Endpositionsstellung zum Verriegeln blockiert sind. Es ist somit nicht möglich, den ersten Schalter 10 oder den zweiten Schalter 20 einzuschalten, da der dritte Schalter 30 eingeschaltet ist.In Fig. 2 is the safety slide 37 of the third electrical switch 30 in the Endpositionsstellung to release the operation of the handle 31. By the securing slide 37 associated tension member 38, the safety slide 37 associated Bowden cables 213 and 223 are stretched. When the safety slide 37 is held in the final position to release the operation of the handle 31, as shown in FIG Fig. 2 by the position of the handle in "on" position is the case, can not be brought into a lower position by the tensioning of the Bowden cable 213, the tension member 18 of the first electrical switch 10, thereby it is not possible, the safety slide 17 in the Endpositionsstellung for release. The safety slide 17 is thus blocked in the Endpositionsstellung for locking. Characterized in that the Bowden cable 223 is tensioned and the safety slide 37 is held in the Endpositionsstellung to release the operation of the handle 31, the tension member 28 of the second electrical switch 20 can not be converted into a lower position. Thus, it is not possible to transfer the safety slide 27 in an end position to release the operation of the handle 21. Safety slide 27 is thus blocked in the Endpositionsstellung for locking. Overall, since the safety slide 37 is held in the Endpositionsstellung to enable the operation of the handle 31, that all other safety slide 17, 27 are blocked in the Endpositionsstellung for locking. It is thus not possible to turn on the first switch 10 or the second switch 20, since the third switch 30 is turned on.

Befindet sich die Handhabe 31 in der "Ein"- Stellung wie in Fig. 2 dargestellt, können die Sicherungsschieber 17 und 27 nicht in die Endpositionsstellung zur Freigabe übergeführt werden, da durch die Bowdenzüge 212 und 213 versucht würde, den Sicherungsschieber 37 zu betätigen, was aber nicht möglich ist wegen der den Sicherungsschieber 37 blockierenden Handhabe 31.If the handle 31 is in the "on" position as in FIG Fig. 2 the safety slides 17 and 27 can not be transferred to the final position position for release, since it would be attempted by the Bowden cables 212 and 213 to actuate the safety slide 37, but this is not possible because of the locking slide 37 blocking handle 31st

Ein Sicherungsschieber 17, 27, 37, kann nur in die Endpositionsstellung zur Freigabe der zugeordneten Handhabe 11, 21, 31, überführt werden, wenn alle Handhaben 11, 21, 31 in der "Aus"-Stellung sind. Ist dies der Fall, kann beispielsweise der Sicherungsschieber 37 des dritten elektrischen Schalters 30 in die Endpositionsstellung zur Freigabe der Betätigung der Handhabe 31 übergeführt werden, wie es in Fig. 2 dargestellt ist.A safety slide 17, 27, 37, can only in the final position to release the associated handle 11, 21, 31, transferred, when all the handles 11, 21, 31 are in the "off" position. If this is the case, for example, the safety slide 37 of the third electrical switch 30 can be transferred to the end position to release the operation of the handle 31, as in Fig. 2 is shown.

Wenn alle Handhaben 11, 21, 31 in der "Aus"-Stellung sind kann durch das Betätigen eines Sicherungsschiebers 17, 27, 27 in die Endpositionsstellung zur Freigabe ein anderer Sicherungsschieber, der sich noch nicht in der Endpositionsstellung zum Verriegeln befindet, in diese überführt werden.When all the handles 11, 21, 31 are in the "off" position, by operating a safety slide 17, 27, 27 in the final position for release, another safety slide, not yet in the final position for locking, can be transferred thereto become.

Wenn alle Sicherungsschieber 17, 27, 37 in der Endpositionsstellung zum Verriegeln sind, und nun der Sicherungsschieber 17 des ersten elektrischen Schalters 10 in die Endpositionsstellung zur Freigabe der Betätigung der Handhabe 11 überführt wird, werden die Bowdenzüge 212 und 213 gespannt. Wenn der Sicherungsschieber 17 durch das Anliegen der zugeordneten Handhabe 11 am Sicherungsschieber in der Endpositionsstellung zur Freigabe gehalten wird, werden die Sicherungsschieber 27 und 37 durch die Zugkraft der Bowdenzüge 212 und 213 in der Endpositionsstellung zum Verriegeln blockiert. Die Handhaben 21 und 31 können somit nicht betätigt werden. Wird aus der Grundeinstellung der Verriegelungsvorrichtung heraus, bei der sich alle Sicherungsschieber 17, 27, 37 in der Endpositionsstellung zum Verriegeln befinden, der Sicherungsschieber 27 betätigt und in die Endpositionsstellung zur Freigabe der Betätigung der Handhabe 21 übergeführt, so werden die Bowdenzüge 212 und 223 gespannt. Wenn der Sicherungsschieber 27 nachfolgend durch die zugeordnete Handhabe 21 in der Endpositionsstellung zur Freigabe gehalten wird und der Bowdenzug 212 gespannt ist, kann das Zugteil 18 nicht in eine untere Position übergeführt werden. Daher ist es nicht möglich, den Sicherungsschieber 17 in die Endpositionsstellung zur Freigabe der Betätigung der Handhabe 11 überzuführen. Der Sicherungsschieber 17 ist in der Endpositionsstellung zum Verriegeln blockiert. Wenn der Sicherungsschieber 27 durch die zugeordnete Handhabe 21 in der Endpositionsstellung zur Freigabe gehalten wird und der Bowdenzug 223 gespannt ist, kann das Zugteil 38 nicht in eine untere Position übergeführt werden. Dadurch ist es nicht möglich, den Sicherungsschieber 37 in die Endposition zur Freigabe der Betätigung der Handhabe 31 überzuführen. Der Sicherungsschieber 37 ist in der Endpositionsstellung zum Verriegeln blockiert.When all the safety slides 17, 27, 37 are in the final position position for locking, and now the safety slide 17 of the first electrical switch 10 is transferred to the end position to release the operation of the handle 11, the Bowden cables 212 and 213 are tensioned. When the safety slide 17 is held by the concern of the associated handle 11 on the safety slide in the Endpositionsstellung to release the safety slide 27 and 37 are blocked by the tensile force of the Bowden cables 212 and 213 in the Endpositionsstellung for locking. The handles 21 and 31 can thus not be operated. If out of the basic setting of the locking device, in which all securing slides 17, 27, 37 are in the Endpositionsstellung for locking, the safety slide 27 is actuated and transferred to the Endpositionsstellung to release the operation of the handle 21, the Bowden cables 212 and 223 are stretched , If the safety slide 27 subsequently by the associated handle 21 in the Endpositionsstellung held to release and the Bowden cable 212 is tensioned, the tension member 18 can not be transferred to a lower position. Therefore, it is not possible to convert the safety slide 17 in the Endpositionsstellung to release the operation of the handle 11. The safety slide 17 is blocked in the end position for locking. When the safety slide 27 is held in the final position by the associated handle 21 for release and the Bowden cable 223 is tensioned, the tension member 38 can not be transferred to a lower position. As a result, it is not possible to transfer the safety slide 37 into the end position for releasing the actuation of the handle 31. The safety slide 37 is locked in the final position for locking.

Die Bowdenzüge 212, 213 und 223 umfassen jeweils ein Drahtseil und eine in Verlaufsrichtung stabile Hülle. Die Längen der Drahtseile sind so gewählt, dass dasjenige Drahtseil, welches zwei Zugteile verbindet, es nur zulässt, dass eines dieser Zugteile in die untere Position überführt werden kann und dadurch nur einer der zugeordneten Sicherungsschieber in die Endpositionsstellung zur Freigabe der Betätigung der zugeordneten Handhabe übergeführt werden kann. Da sich die elektrischen Schalter 10, 20, 30 an unterschiedlichen Positionen in einem Schaltschrank befinden können, sind die Drahtseillängen der einzelnen Bowdenzüge typischerweise unterschiedlich. Die Drahtseile der Bowdenzüge 212, 213 und 223 müssen der jeweiligen Position der Schalter 10, 20, 30 im Schaltschrank angepasst werden. Die Länge der Drahtseile der Bowdenzüge 212, 213, 223 ist so gewählt, dass jeweils nur ein Sicherungsschieber 17, 27, 37 in die Endpositionsstellung zur Freigabe der Betätigung der zugeordneten Handhabe übergeführt werden kann.The Bowden cables 212, 213 and 223 each comprise a wire rope and a sheath which is stable in the direction of travel. The lengths of the wire ropes are chosen so that the one wire, which connects two tension members, it allows only one of these tension members can be transferred to the lower position and thereby converted only one of the associated safety slide in the Endpositionsstellung to release the operation of the associated handle can be. Since the electrical switches 10, 20, 30 can be located at different positions in a control cabinet, the wire cable lengths of the individual Bowden cables are typically different. The wire cables of the Bowden cables 212, 213 and 223 must be adapted to the respective position of the switches 10, 20, 30 in the control cabinet. The length of the wire cables of the Bowden cables 212, 213, 223 is selected so that in each case only one safety slide 17, 27, 37 can be transferred to the end position to release the operation of the associated handle.

Die Bowdenzüge 212, 213 und 223 können auch durch andere zugkraftübertragende Mittel ersetzt werden, z.B. durch Zugstangen oder Zugseile. Wichtig ist, dass sichergestellt ist, dass bei Betätigung eines Sicherungsschiebers 17, 27, 37 alle anderen Sicherungsschieber über die zugkraftübertragenden Mittel in der Endpositionsstellung zum Verriegeln blockiert werden.The Bowden cables 212, 213 and 223 can also be replaced by other traction-transmitting means, for example by tie rods or traction cables. The important thing is to make sure that upon actuation of a safety slide 17, 27, 37 all other safety slides are blocked via the traction-transmitting means in the Endpositionsstellung for locking.

Fig. 3 zeigt eine Ausführungsform eines Sicherungsschiebers 7. Die Bewegung des Sicherungsschiebers 7 wird auf ein Zugteil 8 übertragen, an dem zwei Bowdenzüge 2 und 2' befestigt sind. Die Bewegung auf das Zugteil 8 wird über einen am Sicherungsschieber 7 befestigten Bolzen 9 übertragen, der in einem Langloch 10 des Zugteils 8 läuft. Der Sicherungsschieber 7 und das Zugteil 8 sind auf einem Halter 3 montiert. Halter 3 weist einen Einhakpunkt 5 und mindestens ein Loch 4 auf. Dadurch kann der Halter an einem elektrischen Schalter an der einen Seite mittels des Einhakpunktes 5 eingehakt werden und mittels Befestigungsmitteln, wie zum Beispiel Schrauben, durch das Loch 4 hindurch am Schalter befestigt werden. Fig. 3 shows an embodiment of a safety slide 7. The movement of the safety slide 7 is transmitted to a tensile member 8, are attached to the two Bowden cables 2 and 2 '. The movement on the tension member 8 is transmitted via a bolt 9 fixed to the safety slide 7, which runs in a slot 10 of the tension member 8. The safety slide 7 and the tensile part 8 are mounted on a holder 3. Holder 3 has a Einhakpunkt 5 and at least one hole 4. Thereby, the holder can be hooked to an electrical switch on one side by means of the hooking point 5 and fastened by fastening means, such as screws, through the hole 4 through the switch.

Die Sicherungsschieber 17, 27, 37 und die Zugteile 18, 28, 38 gemäß Fig. 2 sind wie in Fig. 3 ausgebildet und mittels Haltern 13, 23, 33 an den Schaltern 10, 20, 30 befestigt. Der Halter 13 des Sicherungsschiebers 17 und des Zugteils 18 ist mittels eines Einhakpunkts 15 am Gehäuse des ersten Schalters 10 eingehakt und mittels Verschraubungen durch ein Loch 14 befestigt. Der Halter 23 des Sicherungsschiebers 27 und des Zugteils 28 ist mittels eines Einhakpunkts 25 am Gehäuse des zweiten Schalters 20 eingehakt und mittels Verschraubungen durch ein Loch 24 befestigt. Der Halter 33 des Sicherungsschiebers 37 und des Zugteils 38 ist mittels eines Einhakpunkts 35 am Gehäuse des dritten Schalters 30 eingehakt und mittels Verschraubungen durch ein Loch 34 befestigt.The safety slide 17, 27, 37 and the tension members 18, 28, 38 according to Fig. 2 are like in Fig. 3 formed and fastened by means of holders 13, 23, 33 to the switches 10, 20, 30. The holder 13 of the safety slide 17 and the pulling part 18 is hooked by means of a Einhakpunkts 15 on the housing of the first switch 10 and fastened by means of screws through a hole 14. The holder 23 of the securing slide 27 and the pulling member 28 is hooked by means of a Einhakpunkts 25 on the housing of the second switch 20 and fastened by means of screw holes 24. The holder 33 of the safety slide 37 and the tension member 38 is hooked by means of a Einhakpunkts 35 on the housing of the third switch 30 and fixed by means of screws through a hole 34.

Fig. 4 zeigt den Halter 3 mit dem Sicherungsschieber 7 und dem Zugteil 8 in der Endpositionsstellung zur Freigabe der Betätigung einer zugeordneten Handhabe. Der Bowdenzug 2 ist dadurch gespannt, dass das Zugteil 8 in eine Endpositionsstellung gebracht wurde zur maximalen Spannung des Bowdenzugs 2. Die Bewegung des Sicherungsschiebers 7 wurde über den Bolzen 9 auf das Zugteil 8 übertragen. Der Bolzen 9 läuft in dem Langloch 10 des Zugteils 8. Die Endpositionsstellung zur Freigabe der Betätigung der zugeordneten Handhabe entspricht einer Endposition des Bolzens 9 im Langloch 10. Fig. 4 shows the holder 3 with the safety slide 7 and the tension member 8 in the Endpositionsstellung to release the operation of an associated handle. The Bowden cable 2 is excited by the fact that the tension member 8 has been brought into an Endpositionsstellung the maximum tension of the Bowden cable 2. The movement of the safety slide 7 was transmitted via the bolt 9 on the tension member 8. The bolt 9 runs in the slot 10 of the tension member 8. The Endpositionsstellung to release the operation of the associated handle corresponds to an end position of the bolt 9 in the slot 10th

In Fig. 5 wird der Halter 3 mit dem Sicherungsschieber 7 und dem Zugteil 8 in der Endpositionsstellung zum Verriegeln dargestellt. Dadurch, dass der Sicherungsschieber 7 in der Endpositionsstellung zum Verriegeln steht, befindet sich der Bolzen 9 in der anderen Endposition des Langlochs 10 des Zugteils 8. In dieser Stellung ist der Bowdenzug 2 nicht gespannt.In Fig. 5 the holder 3 is shown with the safety slide 7 and the tension member 8 in the Endpositionsstellung for locking. Characterized in that the safety slide 7 is in the Endpositionsstellung for locking, the pin 9 is in the other end position of the elongated hole 10 of the tension member 8. In this position, the Bowden cable 2 is not tensioned.

In Fig. 2 wurde die erfinderische Verriegelungsvorrichtung 100 zum Verriegeln von drei Handhaben 11, 21, 31 elektrischer Schalter 10, 20, 30 näher erläutert. Dazu wurden drei Mittel 212, 213, 223 zur Übertragung der Verriegelungsposition der einzelnen Sicherungsschieber 17, 27, 37 benötigt. Die erfindungsgemäße Verriegelungsvorrichtung 100 kann auch zum gegenseitigen Verriegeln einer anderen Anzahl von Handhaben elektrischer Schalter verwendet werden.In Fig. 2 the inventive locking device 100 for locking three handles 11, 21, 31 electrical switch 10, 20, 30 has been explained in more detail. For this purpose, three means 212, 213, 223 for transmitting the locking position of the individual safety slide 17, 27, 37 were required. The locking device 100 according to the invention may also be used to lock a different number of electrical switch handles together.

In Fig. 6 ist die erfindungsgemäße Verriegelungsvorrichtung 100 zum Verriegeln von zwei Handhaben 11, 21 elektrischer Schalter 10, 20 dargestellt. In diesem Ausführungsbeispiel ist nur ein Mittel 212 zur Übertragung der Verriegelungsposition der einzelnen Sicherungsschieber 17, 27 nötig. Durch das Mittel 212 sind die beiden Sicherungsschieber 17, 37 mechanisch miteinander verbunden, und es ist sichergestellt, dass nur eine Handhabe 11, 21 in die Endpositionsstellung zur Freigabe übergeführt werden kann.In Fig. 6 the locking device 100 according to the invention for locking two handles 11, 21 electrical switches 10, 20 is shown. In this embodiment, only a means 212 for transmitting the locking position of the individual safety slide 17, 27 is necessary. By the means 212, the two safety slides 17, 37 are mechanically connected to each other, and it is ensured that only one handle 11, 21 can be transferred to the Endpositionsstellung for release.

In Fig. 6 ist der Sicherungsschieber 27 in der Endpositionsstellung zur Freigabe der Handhabe 21 dargestellt. Über das Zugteil 28 wird der Bowdenzug 212 gespannt. Wenn der Sicherungsschieber 27 durch die zugeordnete Handhabe 21 in der Endpositionsstellung zur Freigabe der Betätigung der zugeordneten Handhabe gehalten wird ist es nicht möglich, dass das Zugteil 18 des Sicherungsschiebers 17 in eine untere Position überführt werden kann und dadurch der Sicherungsschieber 17 in die Endpositionsstellung zur Freigabe der Betätigung der Handhabe 11. Der Sicherungsschieber 17 ist in der Endpositionsstellung zum Verriegeln blockiert. Wird nun die Handhabe 21 in die untere "Aus"-Stellung überführt, so kann der Sicherungsschieber 27 in die Endpositionsstellung zum Verriegeln überführt werden. Erst jetzt ist es möglich, dass der Sicherungsschieber 17 in die Endpositionsstellung zur Freigabe der Betätigung der Handhabe 11 übergeführt werden kann. Somit ist sichergestellt, dass jeweils nur eine der Handhaben 11 beziehungsweise 21 betätigt werden kann und somit nur ein elektrischer Schalter 10 beziehungsweise 20 betätigt werden kann. Zusätzlich ist es möglich, dass beide Handhaben 11 und 21 in der "Aus"-Stellung sein können.In Fig. 6 the safety slide 27 is shown in the Endpositionsstellung to release the handle 21. About the tension member 28 of the Bowden cable 212 is tensioned. When the safety slide 27 by the associated handle 21 in the End position is held to release the operation of the associated handle, it is not possible that the tension member 18 of the safety slide 17 can be transferred to a lower position and thereby the safety slide 17 in the Endpositionsstellung to release the operation of the handle 11. The safety slide 17 is in blocked the end position position for locking. Now, if the handle 21 is transferred to the lower "off" position, the safety slide 27 can be transferred to the final position for locking. Only now is it possible that the safety slide 17 can be transferred to the end position to release the operation of the handle 11. This ensures that only one of the handles 11 and 21 can be actuated and thus only one electrical switch 10 or 20 can be actuated. In addition, it is possible that both handles 11 and 21 may be in the "off" position.

Die Verriegelungsvorrichtung 100 kann auch für vier und mehr elektrische Schalter verwendet werden, es ist jeweils nur notwendig, dass jeder Sicherungsschieber mit jedem anderen Sicherungsschieber über ein Mittel zur Übertragung der Verriegelungsposition verbunden ist.The locking device 100 can also be used for four or more electrical switches, it is only necessary that each safety slide is connected to each other safety slide via a means for transmitting the locking position.

Bei Verwendung von Bowdenzüge können mit der erfindungsgemäßen Verriegelungsvorrichtung elektrische Schalter unterschiedlicher Baugröße gegenseitig verriegelt werden. Es ist jeweils nur sicherzustellen, dass bei Überführung eines Sicherungsschiebers in die Endpositionsstellung zur Freigabe der Betätigung der zugeordneten Handhabe alle anderen Sicherungsschieber über die Bowdenzüge in der Endpositionsstellung zum Verriegeln blockiert sind, wenn der Sicherungsschieber in der Endpositionsstellung zur Freigabe durch die zugeordnete Handhabe in dieser Position fixiert wird.When using Bowden cables electrical switches of different sizes can be mutually locked with the locking device according to the invention. It is only to ensure that when transferring a safety slide in the Endpositionsstellung to release the operation of the associated handle all other safety slide over the Bowden cables in the Endpositionsstellung are blocked for locking when the safety slide in the Endpositionsstellung for release by the associated handle in this position is fixed.

Die Mittel zur Übertragung der Verriegelungsposition übertragen nur die Kräfte zwischen den jeweiligen Sicherungsschiebern. Daher werden die Bowdenzüge dieser Mittel nur schwach mechanisch belastet, da sie weniger stark gedehnt bzw. gezogen werden. Es ist keine Nachjustage notwendig.The means for transmitting the locking position transmit only the forces between the respective safety slides. Therefore, the Bowden cables of these agents are only slightly mechanically stressed because they are less stretched or pulled. There is no readjustment necessary.

Es wurde beschrieben, dass sich die Handhaben 11, 21, 31 jeweils einem elektrischen Schalter 10, 20, 30 zugeordnet sind und auf diesem angebracht sind. Es ist aber möglich, dass zwei oder mehrere Handhaben zu einer Applikation gehören und mit der erfindungsgemäßen Verriegelungsvorrichtung verriegelt werden. Beispielsweise kann eine elektrische Applikation zwei Handhaben aufweisen und eine dieser beiden Handhaben ist mit einem Sicherungsschieber entsprechend der erfindungsgemäßen Verriegelungsvorrichtung versehen. In diesem Beispiel würde diese Handhabe mit anderen Handhaben anderer Schalter verriegelt, so dass nur eine der Handhaben betätigt werden kann. Ebenso ist es möglich, dass eine Applikation drei Handhaben aufweist und es durch die erfindungsgemäße Verriegelungsvorrichtung sichergestellt wird, dass nur eine dieser drei Handhaben betätigt werden kann.It has been described that the handles 11, 21, 31 are each associated with and mounted on an electrical switch 10, 20, 30. But it is possible that two or more handles belong to an application and are locked with the locking device according to the invention. For example, an electrical application can have two handles and one of these two handles is provided with a safety slide according to the locking device according to the invention. In this example, this handle would be locked with other handles of other switches so that only one of the handles can be operated. It is also possible that an application has three handles and it is ensured by the locking device according to the invention that only one of these three handles can be actuated.

Claims (9)

Verriegelungsvorrichtung (100) umfassend
mindestens zwei Sicherungsschieber (17; 27; 37) mit jeweils einer Endpositionsstellung zum Verriegeln und einer Endpositionsstellung zur Freigabe der Betätigung einer zugeordneten Handhabe (11; 21; 31) elektrischer Schalter (10; 20; 30) und
mindestens ein Mittel (212; 213; 223) zur Übertragung der Verriegelungsposition der einzelnen Sicherungsschieber (17; 27; 37), wobei jeder Sicherungsschieber mit jedem anderen Sicherungsschieber über jeweils ein Mittel (212; 213; 223) zur Übertragung der Verriegelungsposition verbunden ist, und
wobei, wenn ein Sicherungsschieber in der Endpositionsstellung zur Freigabe der Betätigung der zugeordneten Handhabe gehalten wird, alle anderen Sicherungsschieber über die Mittel (212; 213; 223) zur Übertragung der Verriegelungsposition in der jeweiligen Endpositionsstellung zum Verriegeln blockiert sind.Locking device (100) comprising
at least two securing slides (17; 27; 37) each having an end position for locking and an end position for releasing the actuation of an associated handle (11; 21; 31) electrical switches (10; 20; 30) and
at least one means (212; 213; 223) for transmitting the locking position of the individual securing slides (17; 27; 37), each securing slide being connected to each other securing slide via a respective means (212; 213; 223) for transmitting the locking position, and
wherein, when a safety slide is held in the end position to release actuation of the associated handle, all other safety slides are locked by the means (212; 213; 223) for transmitting the locking position in the respective end position for locking. Verriegelungsvorrichtung (100) gemäß Anspruch 1, bei der der Sicherungsschieber von der zugeordneten Handhabe in der Endpositionsstellung zur Freigabe der Betätigung der zugeordneten Handhabe gehalten wird.Locking device (100) according to claim 1, wherein the safety slide is held by the associated handle in the end position to release the operation of the associated handle. Verriegelungsvorrichtung (100) gemäß einem der Ansprüche 1 oder 2, wobei jedes Mittel (212; 213; 223) zur Übertragung der Verriegelungsposition als zugkraftübertragendes Mittel ausgebildet ist.Locking device (100) according to one of claims 1 or 2, wherein each means (212; 213; 223) for transmitting the locking position is designed as a traction-transmitting means. Verriegelungsvorrichtung (100) gemäß Anspruch 3, wobei jedes zugkraftübertragende Mittel als Bowdenzug ausgebildet ist.Locking device (100) according to claim 3, wherein each traction-transmitting means is designed as a Bowden cable. Verriegelungsvorrichtung (100) gemäß Anspruch 4, wobei in der Endpositionsstellung zur Freigabe der Betätigung der zugeordneten Handhabe eines Sicherungsschiebers jeder Bowdenzug dieses Sicherungsschiebers gespannt ist und dadurch alle anderen Sicherungsschieber in der Endpositionsstellung zum Verriegeln blockiert sind.Locking device (100) according to claim 4, wherein in the end position to release the actuation the associated handle of a safety slide each Bowden cable this safety slide is stretched and thereby all other safety slide are blocked in the Endpositionsstellung for locking. Verriegelungsvorrichtung (100) gemäß einem der Ansprüche 4 oder 5, wobei jeder Sicherungsschieber (17; 27; 37) derart mit einem Zugteil (18; 28; 38) verbunden ist, dass bei Betätigung des Sicherungsschiebers (17; 27; 37) die Bewegung auf das Zugteil (18; 28; 38) übertragen wird, und wobei jeder Bowdenzug eines Sicherungsschiebers (17; 27; 37) über das jeweilige Zugteil (18; 28; 38) mit diesem verbunden ist.Locking device (100) according to one of claims 4 or 5, wherein each safety slide (17; 27; 37) is connected to a pulling part (18; 28; 38) such that upon actuation of the safety slide (17; 27; 37) the movement is transmitted to the tension member (18; 28; 38), and wherein each Bowden cable of a safety slide (17; 27; 37) is connected to it via the respective tension member (18; 28; 38). Verriegelungsvorrichtung (100) gemäß Anspruch 6, wobei die Übertragung der Betätigung eines Sicherungsschiebers (17; 27; 37) auf das jeweilige Zugteil (18; 28; 38) mittels eines am Sicherungsschieber (17; 27; 37) befestigten Bolzen erfolgt.Locking device (100) according to claim 6, wherein the transmission of the actuation of a safety slide (17; 27; 37) to the respective pulling part (18; 28; 38) takes place by means of a bolt fastened to the safety slide (17; 27; 37). Verriegelungsvorrichtung (100) gemäß Anspruch 7, wobei Sicherungsschieber (17; 27; 37) und Zugteil (18; 28; 38) auf einem Halter (13; 23; 33) montiert sind.Locking device (100) according to claim 7, wherein securing slides (17; 27; 37) and pulling parts (18; 28; 38) are mounted on a holder (13; 23; 33). Verriegelungsvorrichtung (100) gemäß Anspruch 8, wobei der Halter (13; 23; 33) zumindest einen Einhakpunkt (15; 25; 35) und zumindest ein Loch (14; 24; 34) für ein Befestigungsmittel zur Montage am elektrischen Schalter umfasst.A locking device (100) according to claim 8, wherein the holder (13; 23; 33) comprises at least one hooking point (15; 25; 35) and at least one hole (14; 24; 34) for a fastening means for mounting to the electrical switch.
EP11194635.6A 2011-02-04 2011-12-20 Locking device for locking the handle of electrical switches with the same Not-in-force EP2485231B1 (en)

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DE201110003648 DE102011003648A1 (en) 2011-02-04 2011-02-04 Locking device for locking handles of electrical switches

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EP2485231A1 true EP2485231A1 (en) 2012-08-08
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Citations (1)

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DE4002936A1 (en) * 1990-02-01 1991-08-22 Kloeckner Moeller Gmbh Simultaneous switch operation blocking device - uses tension element between identical locking devices for respective switches

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Publication number Priority date Publication date Assignee Title
DE446270C (en) * 1927-07-06 Voigt & Haeffner Akt Ges Interlocking of switches with rotary movement
US4626638A (en) * 1984-12-06 1986-12-02 Siemens Energy & Automation, Inc. Operating system for remote electrical equipment
DE9203532U1 (en) * 1992-03-17 1993-07-15 Kloeckner-Moeller Gmbh, 5300 Bonn, De
DE4406236A1 (en) * 1994-02-25 1995-08-31 Kloeckner Moeller Gmbh Mechanical interlock for at least two coupled units
DE4439745C1 (en) * 1994-10-31 1996-03-28 Siemens Ag Arrangement for interlocking the actuation of at least two circuit breakers
US5726401A (en) * 1996-03-29 1998-03-10 Siemens Energy & Automation, Inc. Cable/crossbar interlock system for circuit breakers
DE19733720A1 (en) * 1997-08-04 1999-02-11 Kloeckner Moeller Gmbh Locking device for switchgear

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Publication number Priority date Publication date Assignee Title
DE4002936A1 (en) * 1990-02-01 1991-08-22 Kloeckner Moeller Gmbh Simultaneous switch operation blocking device - uses tension element between identical locking devices for respective switches

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DE102011003648A1 (en) 2012-08-09

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