EP2624276B1 - Electric switch - Google Patents

Electric switch Download PDF

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Publication number
EP2624276B1
EP2624276B1 EP12189994.2A EP12189994A EP2624276B1 EP 2624276 B1 EP2624276 B1 EP 2624276B1 EP 12189994 A EP12189994 A EP 12189994A EP 2624276 B1 EP2624276 B1 EP 2624276B1
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EP
European Patent Office
Prior art keywords
actuating lever
light source
position sensor
motor drive
control 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.)
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Application number
EP12189994.2A
Other languages
German (de)
French (fr)
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EP2624276A1 (en
Inventor
Tomas Horak
Jan Krejci
Jaroslav Pleva
Jiri Stejskal
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Siemens AG
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Siemens AG
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/66—Power reset mechanisms
    • H01H71/70—Power reset mechanisms actuated by electric motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • 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
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • H01H9/161—Indicators for switching condition, e.g. "on" or "off" comprising light emitting elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/048—Means for indicating condition of the switching device containing non-mechanical switch position sensor, e.g. HALL sensor

Definitions

  • the invention relates to an electrical switch with the features according to the preamble of claim 1.
  • Such a switch is from the German patent application DE 10 2009 038 435 A1 known.
  • the invention has for its object to provide an electrical switch, which ensures a particularly high level of operator safety.
  • the invention provides that a control device is designed such that it switches on or off depending on the position signal at least one position sensor, a light source whose light is visible from the outside, in such a way that they Light source turns on when the operating lever of the switch assumes the tripped position, and the light source turns off when the operating lever is not in the released position.
  • a significant advantage of the switch according to the invention is the fact that the respective position of the actuating lever can be seen from the outside, although the operating lever is covered by the motor drive. It is thus possible for an operator to recognize the release position of the operating lever and to dispense with a restart of the electric switch when the operating lever the Tripped position occupies or the triggering device of the electrical switch has shut off due to a fault, the electric power. Unintentional restarting the electrical switch in the event of a short circuit can thus be reliably avoided, although the motor drive covers the operating lever.
  • the actuating lever is preferably an operating lever with which the electric switch can be manually switched on and off by an operator when the motor drive is removed from the switch housing.
  • the light source is formed by a light emitting diode or at least one or more light-emitting diodes.
  • the light source is arranged on or in the motor drive housing of the motor drive.
  • the position sensor can detect the tripped position of the hidden operating lever and the control device, the light source on or off when the position sensor indicates the tripped position.
  • the controller is configured to turn on the light source when the position sensor indicates the tripped position and to turn off the light source when the position sensor does not indicate a tripped position.
  • two position sensors can be used to detect the position of the actuating lever.
  • a first position sensor the On position and a second position sensor can detect the off position of the hidden operating lever and the control device, the light source on or off when neither the first position sensor, the on position nor the second position sensor indicates the off position of the hidden operating lever.
  • the controller is configured to turn on the light source when neither the first position sensor indicates the on position nor the second position sensor indicates the off position of the hidden operating lever and the light source turns off when the first position sensor is the on position or the second position sensor indicates the off position of the hidden operating lever.
  • the control device preferably has a computer device, a microprocessor device and / or a microcontroller, which evaluates the position signal of the position sensor or the position signals of the position sensors and generates a control signal for the light source as a function of the one or more position signals.
  • the at least one position sensor is arranged on the motor drive or in the motor drive.
  • the invention also relates to a motor drive for mounting on an electrical switch, in particular for mounting on a switch housing of an electrical switch, as has been described above. According to the invention, the features according to the characterizing part of patent claim 10 are provided.
  • the invention further relates to a method for operating an electrical switch, in particular an electrical circuit breaker, with an actuating lever which can assume an on position, an off position and a tripped position, wherein in the method, the switch with a the actuating lever optically occluding motor drive is switched on or off.
  • an electrical switch in particular an electrical circuit breaker
  • an actuating lever which can assume an on position, an off position and a tripped position
  • the switch with a the actuating lever optically occluding motor drive is switched on or off.
  • the FIG. 1 shows an electrical switch 10, which may be, for example, an electrical circuit breaker, in particular a three-phase electrical circuit breaker, act.
  • the switch 10 comprises a switch housing 20, in which electrical switching contacts, not shown, are provided with which a single-phase or polyphase current I can be switched on or off.
  • the electrical switch 10 is also equipped with a motor drive 30 which is held by means of a not shown locking device on the switch housing 20 of the switch 10.
  • the latching device allows the motor drive 30 to be removed from the switch housing 20 by actuating a user-actuatable unlocking element 40. By actuating the unlocking element 40, the latching device is transferred from a latched position to a unlatched position, so that the motor drive 30 is released and removal of the motor drive 30 from the switch housing 20 becomes possible.
  • an operating switch 50 which is mounted on an outer side of the motor drive 30.
  • the operating switch 50 permits three switching positions, namely a first switching position, which is identified by the reference M, a second switching position, which is designated by the reference symbol R, and a third switching position, which is identified by the reference symbol L. If the operating switch 50 is in its first switching position M, then manual operation of the motor drive 30 is possible; remote control of the motor drive 30 is prevented in the first switching position M. If the operating switch 50 is in its second switching position R, then the motor drive 30 allows a remote control from a distance. In the third switching position L of the control switch 50, the motor drive 30 is completely locked, so that neither a manual operation from the outside of the motor drive 30 nor a remote control from a distance is possible.
  • the electrical switch 10 is also provided with a in the FIG. 1 not shown further triggering device, which triggers in case of failure and shuts off the current flowing through the switch I.
  • the electrical switch 10 has an actuating lever which can assume an on position, an off position and a tripped position, wherein the switch is turned on in the on position of the actuating lever and off in the off position of the actuating lever, and wherein the operating lever transitions from the on position to the tripped position when the tripping device triggers.
  • the operating lever is externally attached to the switch housing 20 of the electrical switch 10 and is optically hidden by the motor drive 30.
  • the actuating lever and thus also the respective position of the actuating lever are thus not visible from the outside, when the motor drive 30 is placed on the switch housing 20.
  • At the operating lever it is preferably a control lever with which the electric switch can be manually switched on and off by an operator as soon as the motor drive is removed from the switch housing.
  • a light source 60 in the form of a light emitting diode mounted on the front side 70 of the motor drive 30.
  • the light source 60 lights up when the operating lever assumes its release position.
  • the motor drive 30 is equipped with a position sensor 80, which in the FIG. 2 is shown in more detail. It can be seen that the position sensor 80 is mounted on the back 90 of the motor drive 30 and thus can be brought into direct contact with the attached to the outside of the switch housing 20 operating lever.
  • the position sensor 80 When the motor drive 30 is mounted on the outside of the switch housing 20, the position sensor 80 is coupled to the actuation lever so that the position sensor 80 can monitor the position of the actuation lever. With the position sensor 80 is in the FIG. 2 not further shown control means, which evaluates the respective position signal of the position sensor 80 and depending on the position signal, the light source 60 on or off.
  • control device 100 An embodiment of such a control device is in the FIG. 3 shown and designated by the reference numeral 100.
  • the control device 100 may be, for example, a microcontroller.
  • the control device 100 is connected on the input side to the position sensor 80 and receives from it a position signal ST which, for example, has a logical "1", when the operating lever assumes its release position.
  • the controller 100 evaluates the position signal ST of the position sensor 80 and turns on the light source 60 with a control signal SLed when the operating lever assumes the tripped position. Signals the position signal ST, that the operating lever is not in the tripped position, z. B. with a logic "0", the controller 100 turns off the light source 60 from.
  • FIG. 3 indicates the position sensor 80 directly to the tripped position of the actuating lever, so that the control device 100 can form the control signal SLed exclusively with the position signal ST of the position sensor 80.
  • the control device 200 is connected to two position sensors, namely a first position sensor 210 and a second position sensor 220.
  • the first position sensor 210 detects the on position of the operating lever and the second position sensor 220 detects the off position of the hidden operating lever.
  • the position signals supplied by the two position sensors 210 and 220 are in the FIG. 4 marked with the reference numerals STE and STA.
  • the controller 200 evaluates the two position signals STE and STA and turns on the light source 60 by means of a control signal SLed when neither the first position sensor 210 indicates the on position nor the second position sensor 220 indicates the off position of the hidden operating lever. If either the first position sensor 210 indicates the on position or the second position sensor 220 indicates the off position of the hidden operating lever, the controller 110 turns off the light source 60.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Breakers (AREA)
  • Control Of Electric Motors In General (AREA)
  • Mechanical Control Devices (AREA)
  • Switches With Compound Operations (AREA)

Description

Die Erfindung bezieht sich auf einen elektrischen Schalter mit den Merkmalen gemäß dem Oberbegriff des Patentanspruchs 1. Ein derartiger Schalter ist aus der deutschen Offenlegungsschrift DE 10 2009 038 435 A1 bekannt.The invention relates to an electrical switch with the features according to the preamble of claim 1. Such a switch is from the German patent application DE 10 2009 038 435 A1 known.

Ein anderer Leistungsschalter ist in der internationalen Patentanmeldung WO 2011/038566 A1 und der US-Offenlegungsschrift US2012/181157 A1 beschrieben.Another circuit breaker is in the international patent application WO 2011/038566 A1 and U.S. Patent Application US2012 / 181157 A1 described.

Der Erfindung liegt die Aufgabe zugrunde, einen elektrischen Schalter anzugeben, der ein besonders hohes Maß an Bediensicherheit gewährleistet.The invention has for its object to provide an electrical switch, which ensures a particularly high level of operator safety.

Diese Aufgabe wird erfindungsgemäß durch einen elektrischen Schalter mit den Merkmalen gemäß Patentanspruch 1 gelöst. Vorteilhafte Ausgestaltungen des erfindungsgemäßen Schalters sind in Unteransprüchen angegeben.This object is achieved by an electrical switch with the features of claim 1. Advantageous embodiments of the switch according to the invention are specified in subclaims.

Danach ist bei einem Schalter der oben angegebenen Art erfindungsgemäß vorgesehen, dass eine Steuereinrichtung derart ausgestaltet ist, dass sie in Abhängigkeit von dem Stellungssignal zumindest eines Stellungssensors eine Lichtquelle ein- oder ausschaltet, deren Licht von außen sichtbar ist, und zwar derart, dass sie die Lichtquelle einschaltet, wenn der Betätigungshebel des Schalters die Ausgelöst-Stellung einnimmt, und die Lichtquelle ausschaltet, wenn sich der Betätigungshebel nicht in der Ausgelöst-Stellung befindet.Thereafter, in a switch of the type specified above, the invention provides that a control device is designed such that it switches on or off depending on the position signal at least one position sensor, a light source whose light is visible from the outside, in such a way that they Light source turns on when the operating lever of the switch assumes the tripped position, and the light source turns off when the operating lever is not in the released position.

Ein wesentlicher Vorteil des erfindungsgemäßen Schalters ist darin zu sehen, dass die jeweilige Stellung des Betätigungshebels von außen erkennbar ist, obwohl der Betätigungshebel von dem Motorantrieb verdeckt wird. Es ist für eine Bedienperson somit möglich, die Ausgelöst-Stellung des Betätigungshebels zu erkennen und auf ein Wiedereinschalten des elektrischen Schalters zu verzichten, wenn der Betätigungshebel die Ausgelöst-Stellung einnimmt bzw. die Auslöseeinrichtung des elektrischen Schalters aufgrund eines Fehlerfalles den elektrischen Strom abgeschaltet hat. Ein unbeabsichtigtes Wiedereinschalten des elektrischen Schalters im Falle eines Kurzschlusses lässt sich somit zuverlässig vermeiden, obwohl der Motorantrieb den Betätigungshebel verdeckt.A significant advantage of the switch according to the invention is the fact that the respective position of the actuating lever can be seen from the outside, although the operating lever is covered by the motor drive. It is thus possible for an operator to recognize the release position of the operating lever and to dispense with a restart of the electric switch when the operating lever the Tripped position occupies or the triggering device of the electrical switch has shut off due to a fault, the electric power. Unintentional restarting the electrical switch in the event of a short circuit can thus be reliably avoided, although the motor drive covers the operating lever.

Bei dem Betätigungshebel handelt es sich vorzugsweise um einen Bedienhebel, mit dem sich der elektrische Schalter von einer Bedienperson manuell ein- und ausschalten lässt, wenn der Motorantrieb von dem Schaltergehäuse abgenommen wird.The actuating lever is preferably an operating lever with which the electric switch can be manually switched on and off by an operator when the motor drive is removed from the switch housing.

Um eine hohe Leuchtkraft der Lichtquelle bei gleichzeitig minimalem Stromverbrauch und hoher Lebensdauer zu gewährleisten, wird es als vorteilhaft angesehen, wenn die Lichtquelle durch eine Leuchtdiode gebildet ist oder zumindest eine oder mehrere Leuchtdioden aufweist.In order to ensure a high luminosity of the light source at the same time minimal power consumption and long life, it is considered advantageous if the light source is formed by a light emitting diode or at least one or more light-emitting diodes.

Vorzugsweise ist die Lichtquelle am oder im Motorantriebsgehäuse des Motorantriebs angeordnet.Preferably, the light source is arranged on or in the motor drive housing of the motor drive.

Mit Blick auf eine möglichst kleine Teilezahl des Schalters wird es als vorteilhaft angesehen, wenn der Stellungssensor die Ausgelöst-Stellung des verdeckten Betätigungshebels erfassen kann und die Steuereinrichtung die Lichtquelle ein- oder ausschaltet, wenn der Stellungssensor die Ausgelöst-Stellung anzeigt.With a view to the smallest possible number of parts of the switch, it is considered advantageous if the position sensor can detect the tripped position of the hidden operating lever and the control device, the light source on or off when the position sensor indicates the tripped position.

Vorzugsweise ist die Steuereinrichtung derart ausgestaltet ist, dass sie die Lichtquelle einschaltet, wenn der Stellungssensor die Ausgelöst-Stellung anzeigt, und die Lichtquelle ausschaltet, wenn der der Stellungssensor keine Ausgelöst-Stellung anzeigt.Preferably, the controller is configured to turn on the light source when the position sensor indicates the tripped position and to turn off the light source when the position sensor does not indicate a tripped position.

Alternativ können zur Erfassung der Stellung des Betätigungshebels auch zwei Stellungssensoren eingesetzt werden. So ist gemäß einer alternativen Ausgestaltung des elektrischen Schalters vorgesehen, dass ein erster Stellungssensor die Ein-Stellung und ein zweiter Stellungssensor die Aus-Stellung des verdeckten Betätigungshebels erfassen kann und die Steuereinrichtung die Lichtquelle ein- oder ausschaltet, wenn weder der erste Stellungssensor die Ein-Stellung noch der zweite Stellungssensor die Aus-Stellung des verdeckten Betätigungshebels anzeigt.Alternatively, two position sensors can be used to detect the position of the actuating lever. Thus, according to an alternative embodiment of the electrical switch is provided that a first position sensor the On position and a second position sensor can detect the off position of the hidden operating lever and the control device, the light source on or off when neither the first position sensor, the on position nor the second position sensor indicates the off position of the hidden operating lever.

Vorzugsweise ist die Steuereinrichtung derart ausgestaltet, dass sie die Lichtquelle einschaltet, wenn weder der erste Stellungssensor die Ein-Stellung noch der zweite Stellungssensor die Aus-Stellung des verdeckten Betätigungshebels anzeigt, und die Lichtquelle ausschaltet, wenn der erste Stellungssensor die Ein-Stellung oder der zweite Stellungssensor die Aus-Stellung des verdeckten Betätigungshebels anzeigt.Preferably, the controller is configured to turn on the light source when neither the first position sensor indicates the on position nor the second position sensor indicates the off position of the hidden operating lever and the light source turns off when the first position sensor is the on position or the second position sensor indicates the off position of the hidden operating lever.

Vorzugsweise weist die Steuereinrichtung eine Rechnereinrichtung, eine Mikroprozessoreinrichtung und/oder einen Mikrocontroller auf, der oder die das Stellungssignal des Stellungssensors oder die Stellungssignale der Stellungssensoren auswertet und in Abhängigkeit von dem oder den Stellungssignalen ein Steuersignal für die Lichtquelle erzeugt.The control device preferably has a computer device, a microprocessor device and / or a microcontroller, which evaluates the position signal of the position sensor or the position signals of the position sensors and generates a control signal for the light source as a function of the one or more position signals.

Da eine Erfassung der Stellung des Betätigungshebels nur erforderlich ist, wenn der Motorantrieb an dem Schaltergehäuse des Schalters angebracht ist, wird es als vorteilhaft angesehen, wenn der zumindest eine Stellungssensor an dem Motorantrieb oder in dem Motorantrieb angeordnet ist.Since a detection of the position of the actuating lever is only required when the motor drive is mounted on the switch housing of the switch, it is considered advantageous if the at least one position sensor is arranged on the motor drive or in the motor drive.

Die Erfindung bezieht sich darüber hinaus auf einen Motorantrieb zur Montage an einem elektrischen Schalter, insbesondere zur Montage an einem Schaltergehäuse eines elektrischen Schalters, wie er oben beschrieben worden ist. Erfindungsgemäß sind die Merkmale gemäß dem kennzeichnenden Teil des Patentanspruchs 10 vorgesehen.The invention also relates to a motor drive for mounting on an electrical switch, in particular for mounting on a switch housing of an electrical switch, as has been described above. According to the invention, the features according to the characterizing part of patent claim 10 are provided.

Bezüglich der Vorteile des erfindungsgemäßen Motorantriebs sei auf die obigen Ausführungen im Zusammenhang mit dem erfindungsgemäßen Schalter verwiesen, da die Vorteile des erfindungsgemäßen Schalters denen des erfindungsgemäßen Motorantriebs im Wesentlichen entsprechen.With regard to the advantages of the motor drive according to the invention reference is made to the above statements in connection with the switch according to the invention, since the advantages of the invention Switch correspond to those of the motor drive according to the invention substantially.

Die Erfindung bezieht sich darüber hinaus auf ein Verfahren zum Betreiben eines elektrischen Schalters, insbesondere eines elektrischen Leistungsschalters, mit einem Betätigungshebel, der eine Ein-Stellung, eine Aus-Stellung und eine Ausgelöst-Stellung einnehmen kann, wobei bei dem Verfahren der Schalter mit einem den Betätigungshebel optisch verdeckenden Motorantrieb an- oder ausgeschaltet wird. Bezüglich eines solchen Verfahrens werden erfindungsgemäß die Merkmale gemäß dem kennzeichnenden Teil des Patentanspruchs 11 vorgeschlagen.The invention further relates to a method for operating an electrical switch, in particular an electrical circuit breaker, with an actuating lever which can assume an on position, an off position and a tripped position, wherein in the method, the switch with a the actuating lever optically occluding motor drive is switched on or off. With regard to such a method, the features according to the characterizing part of patent claim 11 are proposed according to the invention.

Bezüglich der Vorteile des erfindungsgemäßen Verfahrens sei auf die obigen Ausführungen im Zusammenhang mit dem erfindungsgemäßen Schalter verwiesen, da die Vorteile des erfindungsgemäßen Schalters denen des erfindungsgemäßen Verfahrens im Wesentlichen entsprechen.With regard to the advantages of the method according to the invention, reference is made to the above statements in connection with the switch according to the invention, since the advantages of the switch according to the invention essentially correspond to those of the method according to the invention.

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen näher erläutert; dabei zeigen beispielhaft

Figur 1
ein Ausführungsbeispiel für einen elektrischen Schalter, der mit einem Ausführungsbeispiel für einen erfindungsgemäßen Motorantrieb ausgestattet ist,
Figur 2
die Rückseite des Motorantriebs des Schalters gemäß Figur 1 näher im Detail,
Figur 3
ein erstes Ausführungsbeispiel für eine Steuereinrichtung für den Motorantrieb gemäß Figur 1 und
Figur 4
ein zweites Ausführungsbeispiel für den Motorantrieb gemäß Figur 1.
The invention will be explained in more detail with reference to embodiments; thereby show by way of example
FIG. 1
An embodiment of an electrical switch, which is equipped with an embodiment of a motor drive according to the invention,
FIG. 2
the rear of the motor drive of the switch according to FIG. 1 closer in detail,
FIG. 3
a first embodiment of a control device for the motor drive according to FIG. 1 and
FIG. 4
A second embodiment of the motor drive according to FIG. 1 ,

In den Figuren werden der Übersicht halber für identische oder vergleichbare Komponenten stets dieselben Bezugszeichen verwendet.For the sake of clarity, the same reference numerals are always used in the figures for identical or comparable components.

Die Figur 1 zeigt einen elektrischen Schalter 10, bei dem es sich beispielsweise um einen elektrischen Leistungsschalter, insbesondere einen dreiphasigen elektrischen Leistungsschalter, handeln kann. Der Schalter 10 umfasst ein Schaltergehäuse 20, in dem nicht weiter dargestellte elektrische Schaltkontakte vorhanden sind, mit denen sich ein ein- oder mehrphasiger Strom I ein- oder ausschalten lässt.The FIG. 1 shows an electrical switch 10, which may be, for example, an electrical circuit breaker, in particular a three-phase electrical circuit breaker, act. The switch 10 comprises a switch housing 20, in which electrical switching contacts, not shown, are provided with which a single-phase or polyphase current I can be switched on or off.

Der elektrische Schalter 10 ist darüber hinaus mit einem Motorantrieb 30 ausgestattet, der mittels einer nicht weiter dargestellten Rasteinrichtung an dem Schaltergehäuse 20 des Schalters 10 gehalten wird. Die Rasteinrichtung ermöglicht ein Abnehmen des Motorantriebs 30 von dem Schaltergehäuse 20, indem ein bedienerseitig betätigbares Entrastelement 40 betätigt wird. Durch ein Betätigen des Entrastelements 40 wird die Rasteinrichtung von einer verrasteten Position in eine entrastete Position überführt, so dass der Motorantrieb 30 freigegeben und eine Entnahme des Motorantriebs 30 von dem Schaltergehäuse 20 möglich wird.The electrical switch 10 is also equipped with a motor drive 30 which is held by means of a not shown locking device on the switch housing 20 of the switch 10. The latching device allows the motor drive 30 to be removed from the switch housing 20 by actuating a user-actuatable unlocking element 40. By actuating the unlocking element 40, the latching device is transferred from a latched position to a unlatched position, so that the motor drive 30 is released and removal of the motor drive 30 from the switch housing 20 becomes possible.

In der Figur 1 erkennt man darüber hinaus einen Bedienschalter 50, der an einer Außenseite des Motorantriebs 30 angebracht ist. Der Bedienschalter 50 ermöglicht drei Schaltstellungen, nämlich eine erste Schaltstellung, die mit dem Bezugszeichen M gekennzeichnet ist, eine zweite Schaltstellung, die mit dem Bezugszeichen R gekennzeichnet ist sowie eine dritte Schaltstellung, die mit dem Bezugszeichen L gekennzeichnet ist. Befindet sich der Bedienschalter 50 in seiner ersten Schaltstellung M, so ist eine manuelle Bedienung des Motorantriebs 30 möglich, eine Fernsteuerung des Motorantriebs 30 wird in der ersten Schaltstellung M unterbunden. Befindet sich der Bedienschalter 50 in seiner zweiten Schaltstellung R, so ermöglicht der Motorantrieb 30 eine Fernsteuerung aus der Ferne. In der dritten Schaltstellung L des Bedienschalters 50 ist der Motorantrieb 30 vollständig gesperrt, so dass weder eine manuelle Betätigung von außen am Motorantrieb 30 noch eine Fernsteuerung aus der Ferne möglich ist.In the FIG. 1 In addition, it can be seen an operating switch 50 which is mounted on an outer side of the motor drive 30. The operating switch 50 permits three switching positions, namely a first switching position, which is identified by the reference M, a second switching position, which is designated by the reference symbol R, and a third switching position, which is identified by the reference symbol L. If the operating switch 50 is in its first switching position M, then manual operation of the motor drive 30 is possible; remote control of the motor drive 30 is prevented in the first switching position M. If the operating switch 50 is in its second switching position R, then the motor drive 30 allows a remote control from a distance. In the third switching position L of the control switch 50, the motor drive 30 is completely locked, so that neither a manual operation from the outside of the motor drive 30 nor a remote control from a distance is possible.

Der elektrische Schalter 10 wird darüber hinaus mit einer in der Figur 1 nicht weiter dargestellten Auslöseeinrichtung ausgestattet, die im Fehlerfalle auslöst und den durch den Schalter fließenden Strom I abschaltet.The electrical switch 10 is also provided with a in the FIG. 1 not shown further triggering device, which triggers in case of failure and shuts off the current flowing through the switch I.

Außerdem weist der elektrische Schalter 10 einen Betätigungshebel auf, der eine Ein-Stellung, eine Aus-Stellung und eine Ausgelöst-Stellung einnehmen kann, wobei der Schalter in der Ein-Stellung des Betätigungshebels eingeschaltet und in der Aus-Stellung des Betätigungshebels ausgeschaltet ist und wobei der Betätigungshebel von der Ein-Stellung in die Ausgelöst-Stellung übergeht, wenn die Auslöseeinrichtung auslöst.In addition, the electrical switch 10 has an actuating lever which can assume an on position, an off position and a tripped position, wherein the switch is turned on in the on position of the actuating lever and off in the off position of the actuating lever, and wherein the operating lever transitions from the on position to the tripped position when the tripping device triggers.

Der Betätigungshebel ist außen an dem Schaltergehäuse 20 des elektrischen Schalters 10 angebracht und wird von dem Motorantrieb 30 optisch verdeckt. Der Betätigungshebel und damit auch die jeweilige Stellung des Betätigungshebels sind somit von außen nicht erkennbar, wenn der Motorantrieb 30 auf das Schaltergehäuse 20 aufgesetzt ist. Bei dem Betätigungshebel handelt es sich vorzugsweise um einen Bedienhebel, mit dem sich der elektrische Schalter von einer Bedienperson manuell ein- und ausschalten lässt, sobald der Motorantrieb von dem Schaltergehäuse abgenommen wird.The operating lever is externally attached to the switch housing 20 of the electrical switch 10 and is optically hidden by the motor drive 30. The actuating lever and thus also the respective position of the actuating lever are thus not visible from the outside, when the motor drive 30 is placed on the switch housing 20. At the operating lever it is preferably a control lever with which the electric switch can be manually switched on and off by an operator as soon as the motor drive is removed from the switch housing.

Um nach außen erkennbar zu machen, welchen Schaltzustand der elektrische Schalter 10 aufweist und welche Stellung der Betätigungshebel einnimmt, ist bei dem Ausführungsbeispiel gemäß Figur 1 eine Lichtquelle 60 in Form einer Leuchtdiode auf der Vorderseite 70 des Motorantriebs 30 angebracht. Die Leuchtquelle 60 leuchtet, wenn der Betätigungshebel seine Ausgelöst-Stellung einnimmt.In order to identify to the outside, which switching state the electric switch 10 has and which position the actuating lever occupies is in the embodiment according to FIG. 1 a light source 60 in the form of a light emitting diode mounted on the front side 70 of the motor drive 30. The light source 60 lights up when the operating lever assumes its release position.

Um die Stellung des Betätigungshebels erfassen zu können, ist der Motorantrieb 30 mit einem Stellungssensor 80 ausgestattet, der in der Figur 2 näher dargestellt ist. Es lässt sich erkennen, dass der Stellungssensor 80 auf der Rückseite 90 des Motorantriebs 30 angebracht ist und somit mit dem an der Außenseite des Schaltergehäuses 20 angebrachten Betätigungshebel unmittelbar in Kontakt gebracht werden kann.In order to detect the position of the actuating lever, the motor drive 30 is equipped with a position sensor 80, which in the FIG. 2 is shown in more detail. It can be seen that the position sensor 80 is mounted on the back 90 of the motor drive 30 and thus can be brought into direct contact with the attached to the outside of the switch housing 20 operating lever.

Wird der Motorantrieb 30 auf der Außenseite des Schaltergehäuses 20 angebracht, so wird der Stellungssensor 80 mit dem Betätigungshebel gekoppelt, so dass der Stellungssensor 80 die Stellung des Betätigungshebels überwachen kann. Mit dem Stellungssensor 80 ist eine in der Figur 2 nicht weiter gezeigte Steuereinrichtung verbunden, die das jeweilige Stellungssignal des Stellungssensors 80 auswertet und je nach Stellungssignal die Lichtquelle 60 ein- oder ausschaltet.When the motor drive 30 is mounted on the outside of the switch housing 20, the position sensor 80 is coupled to the actuation lever so that the position sensor 80 can monitor the position of the actuation lever. With the position sensor 80 is in the FIG. 2 not further shown control means, which evaluates the respective position signal of the position sensor 80 and depending on the position signal, the light source 60 on or off.

Ein Ausführungsbeispiel für eine solche Steuereinrichtung ist in der Figur 3 gezeigt und mit dem Bezugszeichen 100 gekennzeichnet. Bei der Steuereinrichtung 100 kann es sich beispielsweise um einen Mikrocontroller handeln.An embodiment of such a control device is in the FIG. 3 shown and designated by the reference numeral 100. The control device 100 may be, for example, a microcontroller.

Die Steuereinrichtung 100 ist eingangsseitig mit dem Stellungssensor 80 verbunden und erhält von diesem ein Stellungssignal ST, das beispielsweise eine logische "1" aufweist, wenn der Betätigungshebel seine Ausgelöst-Stellung einnimmt. Die Steuereinrichtung 100 wertet das Stellungssignal ST des Stellungssensors 80 aus und schaltet die Lichtquelle 60 mit einem Steuersignal SLed an, wenn der Betätigungshebel die Ausgelöst-Stellung einnimmt. Signalisiert das Stellungssignal ST, dass sich der Betätigungshebel nicht in der Ausgelöst-Stellung befindet, z. B. mit einer logischen "0", so schaltet die Steuereinrichtung 100 die Lichtquelle 60 aus.
Bei dem Ausführungsbeispiel gemäß Figur 3 zeigt der Stellungssensor 80 unmittelbar die Ausgelöst-Stellung des Betätigungshebels an, so dass die Steuereinrichtung 100 das Steuersignal SLed ausschließlich mit dem Stellungssignal ST des Stellungssensors 80 bilden kann.
Die Figur 4 zeigt eine alternative Ausgestaltung für eine Steuereinrichtung 200. Die Steuereinrichtung 200 ist mit zwei Stellungssensoren verbunden, nämlich einem ersten Stellungssensor 210 und einem zweiten Stellungssensor 220. Der erste Stellungssensor 210 erfasst die Ein-Stellung des Betätigungshebels und der zweite Stellungssensor 220 erfasst die Aus-Stellung des verdeckten Betätigungshebels.
Die von den beiden Stellungssensoren 210 und 220 gelieferten Stellungssignale sind in der Figur 4 mit den Bezugszeichen STE und STA gekennzeichnet. Die Steuereinrichtung 200 wertet die beiden Stellungssignale STE und STA aus und schaltet mit Hilfe eines Steuersignals SLed die Lichtquelle 60 ein, wenn weder der erste Stellungssensor 210 die Ein-Stellung noch der zweite Stellungssensor 220 die Aus-Stellung des verdeckten Betätigungshebels anzeigt. Falls entweder der erste Stellungssensor 210 die Ein-Stellung oder der zweite Stellungssensor 220 die Aus-Stellung des verdeckten Betätigungshebels anzeigt, schaltet die Steuereinrichtung 110 die Lichtquelle 60 aus.The control device 100 is connected on the input side to the position sensor 80 and receives from it a position signal ST which, for example, has a logical "1", when the operating lever assumes its release position. The controller 100 evaluates the position signal ST of the position sensor 80 and turns on the light source 60 with a control signal SLed when the operating lever assumes the tripped position. Signals the position signal ST, that the operating lever is not in the tripped position, z. B. with a logic "0", the controller 100 turns off the light source 60 from.
In the embodiment according to FIG. 3 indicates the position sensor 80 directly to the tripped position of the actuating lever, so that the control device 100 can form the control signal SLed exclusively with the position signal ST of the position sensor 80.
The FIG. 4 shows an alternative embodiment for a control device 200. The control device 200 is connected to two position sensors, namely a first position sensor 210 and a second position sensor 220. The first position sensor 210 detects the on position of the operating lever and the second position sensor 220 detects the off position of the hidden operating lever.
The position signals supplied by the two position sensors 210 and 220 are in the FIG. 4 marked with the reference numerals STE and STA. The controller 200 evaluates the two position signals STE and STA and turns on the light source 60 by means of a control signal SLed when neither the first position sensor 210 indicates the on position nor the second position sensor 220 indicates the off position of the hidden operating lever. If either the first position sensor 210 indicates the on position or the second position sensor 220 indicates the off position of the hidden operating lever, the controller 110 turns off the light source 60.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Schalterswitch
2020
Schaltergehäuseswitch housing
3030
Motorantriebmotor drive
4040
Entrastelementdisengaging element
5050
Bedienschaltercontrol switch
6060
Lichtquellelight source
7070
Vorderseitefront
8080
Stellungssensorposition sensor
9090
Rückseiteback
100100
Steuereinrichtungcontrol device
200200
Steuereinrichtungcontrol device
210210
Stellungssensorposition sensor
220220
Stellungssensorposition sensor
II
Stromelectricity
MM
erste Schaltstellungfirst switching position
RR
zweite Schaltstellungsecond switch position
LL
dritte Schaltstellungthird shift position
SLedEDL
Steuersignalcontrol signal
STST
Stellungssignalposition signal
STESTE
Stellungssignalposition signal
STASTA
Stellungssignalposition signal

Claims (11)

  1. Electric switch (10), in particular electric circuit breaker,
    - having a tripping device, which trips in the event of a fault and disconnects a current (I) flowing through the switch (10),
    - having an actuating lever, which can assume an on position, an off position and a tripped position, wherein the switch is switched on in the on position of the actuating lever and is switched off in the off position of the actuating lever and wherein the actuating lever moves from the on position to the tripped position when the tripping device trips,
    - having a motor drive (30) that is mounted on a switch housing (20) of the switch (10), said motor drive being able to switch the switch (10) on and off, wherein the motor drive (30) visually covers the actuating lever, and
    - having a control device, which signals a position of the power switch,
    characterized by
    - at least one position sensor (80, 210, 220), which detects at least one position of the covered actuating lever and generates a position signal that indicates the position of the covered actuating lever, wherein
    - the control device is configured in such a way that it switches a light source (60) on or off depending on the position signal (ST, STE, STA) of the at least one position sensor (80, 210, 220), the light of said light source being visible from the outside,
    - and specifically in such a way that said control device switches the light source (60) on when the actuating lever assumes the tripped position and switches the light source (60) off when the actuating lever is not in the tripped position.
  2. Electric switch according to Claim 1, characterized in that the light source (60) is formed by a light-emitting diode or has at least one or more light-emitting diodes.
  3. Electric switch according to either of the preceding claims, characterized in that the light source (60) is arranged on or in the motor drive housing of the motor drive (30).
  4. Electric switch according to one of the preceding claims,
    characterized in that
    - the position sensor (80) can detect the tripped position of the covered actuating lever and
    - the control device switches the light source (60) on or off when the position sensor (80) displays the tripped position.
  5. Electric switch according to Claim 4, characterized in that
    - the control device (100) is configured in such a way that it switches the light source (60) on when the position sensor (80) displays the tripped position and
    - the control device (100) is configured in such a way that it switches the light source (60) off when the position sensor (80) does not display the tripped position.
  6. Electric switch according to one of the preceding Claims 1-3, characterized in that
    - a first position sensor (210) can detect the on position and a second position sensor (220) can detect the off position of the covered actuating lever and
    - the control device (200) switches the light source (60) on or off when neither the first position sensor (210) displays the on position nor the second position sensor (220) displays the off position of the covered actuating lever.
  7. Electric switch according to Claim 6, characterized in that
    - the control device (200) is configured in such a way that it switches the light source (60) on when neither the first position sensor (210) displays the on position nor the second position sensor (220) displays the off position of the covered actuating lever, and
    - the control device (200) is configured in such a way that it switches the light source (60) off when the first position sensor (210) displays the on position or the second position sensor (220) displays the off position of the covered actuating lever.
  8. Electric switch according to one of the preceding claims,
    characterized in that the control device (100, 200) has a computer device, a microprocessor device or a microcontroller, which evaluates the position signal (ST) of the position sensor (80) or the position signals (STE, STA) of the position sensors (210, 220) and generates a control signal (SLed) for the light source (60) depending on the position signal or signals.
  9. Electric switch according to one of the preceding claims,
    characterized in that the at least one position sensor (80, 210, 220) is arranged on the motor drive (30) or in the motor drive.
  10. Motor drive (30) for mounting on an electric switch (10), in particular for mounting on a switch housing (20) of an electric switch according to one of the preceding claims, wherein the motor drive has a control device, which signals a position of the circuit breaker,
    characterized by
    - at least one position sensor (80, 210, 220), which can detect at least one position of an actuating lever of the switch (10), said actuating lever being covered by the motor drive (30) after mounting, and which can generate a position signal (ST, STE, STA) that indicates the position of the covered actuating lever,
    - a light source (60), the light of which is visible from the outside, and
    - a control device (100, 200), which switches the light source (60) on or off depending on the position signal (ST, STE, STA) of the at least one position sensor (80, 210, 220),
    - and specifically in such a way that said control device switches the light source (60) on when the actuating lever assumes the tripped position and switches the light source (60) off when the actuating lever is not in the tripped position.
  11. Method for operating an electric switch (10), in particular an electric circuit breaker, having an actuating lever, which can assume an on position, an off position and a tripped position, wherein, in the method, the switch (10) is switched on or off using a motor drive (30) that visually covers the actuating lever and a position of the circuit breaker is signalled,
    characterized in that
    - at least one position of the actuating lever is detected and a position signal (ST, STE, STA) that indicates the position is generated using at least one position sensor (80, 210, 220), and
    - a light source (60) is switched on or off depending on the position signal (ST, STE, STA) of the at least one position sensor (80, 210, 220), the light of said light source being visible from the outside,
    - and specifically in such a way that the light source (60) is switched on when the actuating lever assumes the tripped position, and the light source (60) is switched off when the actuating lever is not in the tripped position.
EP12189994.2A 2012-02-02 2012-10-25 Electric switch Active EP2624276B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012201552A DE102012201552A1 (en) 2012-02-02 2012-02-02 Electric switch

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EP2624276B1 true EP2624276B1 (en) 2017-11-29

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DE202021106291U1 (en) * 2021-11-18 2022-01-14 Future Systems Besitz Gmbh low voltage device

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DE102012201552A1 (en) 2013-08-08
CN103247453A (en) 2013-08-14
CN110223863A (en) 2019-09-10

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