EP1906426B1 - Switching device with operating mechanism - Google Patents

Switching device with operating mechanism Download PDF

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Publication number
EP1906426B1
EP1906426B1 EP06020611A EP06020611A EP1906426B1 EP 1906426 B1 EP1906426 B1 EP 1906426B1 EP 06020611 A EP06020611 A EP 06020611A EP 06020611 A EP06020611 A EP 06020611A EP 1906426 B1 EP1906426 B1 EP 1906426B1
Authority
EP
European Patent Office
Prior art keywords
handle
switching device
switched
tripper
switch
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.)
Not-in-force
Application number
EP06020611A
Other languages
German (de)
French (fr)
Other versions
EP1906426A1 (en
Inventor
Christian Gogeissl
Manuela LÜFTL
Ludwig Niebler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE502006003677T priority Critical patent/DE502006003677D1/en
Priority to EP06020611A priority patent/EP1906426B1/en
Priority to AT06020611T priority patent/ATE430985T1/en
Priority to CN2007101366693A priority patent/CN101154538B/en
Priority to US11/900,340 priority patent/US7583170B2/en
Priority to JP2007246526A priority patent/JP4624390B2/en
Publication of EP1906426A1 publication Critical patent/EP1906426A1/en
Application granted granted Critical
Publication of EP1906426B1 publication Critical patent/EP1906426B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01H71/04—Means for indicating condition of the switching device
    • 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
    • H01H2071/042—Means for indicating condition of the switching device with different indications for different conditions, e.g. contact position, overload, short circuit or earth leakage
    • 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
    • H01H2071/046—Means for indicating condition of the switching device exclusively by position of operating part, e.g. with additional labels or marks but no other movable indicators
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/56—Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel

Definitions

  • the invention relates to a switching device with a switch lock for mechanical actuation of the switching device, with a first trigger to protect against overload, with a second trigger for protection against short circuit and with a handle for actuating the switching mechanism or a method for indicating the cause of shutdown such switching device.
  • a circuit breaker For the protection of electrical consumers, e.g. Motors, a circuit breaker is usually used, wherein it has a time-delayed trigger for protection against overload and a temporally instantaneous trigger for protection against short circuit.
  • the switching mechanism of the circuit breaker is mechanically coupled to the triggers, the shutter can break the circuit by automatically opening switch contacts and cause the shutdown of the electrical load.
  • the switch contacts can also be opened or closed manually by means of a handle of the circuit breaker, wherein the handle is mechanically coupled to the switch lock or integrated in the switch lock.
  • the ON state (switched-on breaker) and the OFF state (switched-off breaker) can be seen by the position of the handle.
  • a circuit breaker has a handle which is arranged outside of the switch housing.
  • the handle is brought into an intermediate position, also known as a tripped position, between off and adjustment, when the circuit breaker is switched off by a shutter to protect against overload or short circuit. Only the shutdown of the circuit breaker is indicated by the position of the handle, but it can not be distinguished between overload and short circuit.
  • some devices use a lamp a visible add-on module or visibly indicated by an integrated additional display which caused the trigger to trip.
  • the use of a mountable add-on module or an integrated additional display is on the one hand in the manufacturing cost of circuit breakers unfavorable and on the other hand, the simplification of the structure or the miniaturization of the size of circuit breakers is difficult.
  • US 2004/008098 A1 discloses a switching device according to the preamble of claim 1, and a method according to the preamble of claim 8.
  • the invention has for its object to visually distinguish the Abschaltursachen a switching device.
  • the invention has for its object to indicate in a switching device by the position of the handle the triggering reason. If a switching device which has a switching mechanism for mechanical operation of the switching device, a first trigger for protection against overload, a second trigger for protection against short circuit and a handle for actuating the switching mechanism to indicate the shutdown cause of the switching device, then the switching device is so formed to move the handle to a first position when the first trigger is triggered due to an overload, and the handle is moved to a second position when the second trigger is triggered because of a short circuit, wherein the first and the second position different are.
  • the cause of the trip can also be identified in a simple manner without additional indication. There is also no need for additional space on the small viewing surface on the switch housing for other display elements.
  • the handle for manual operation of the switching device is provided.
  • the handle for actuating the switch lock is designed such that the switching device is turned on when the handle is moved to a third position, and that the switching device is turned off when the handle is moved to a fourth position. All four positions differ from each other.
  • the switching device is designed such that the handle is passed into the four positions by a rotational movement.
  • Each of the four positions can be represented by a symbol or a character and arranged in a rotatable handle, for example. In a circle. Rotary motion allows the handle to reach any position and indicate the status and shutdown causes of the switchgear.
  • the switching device has a switching gear, which is formed, generates the rotational movement of the handle.
  • the switching gear By the switching gear, the rotational movement of the handle can be transferred to the switch lock, or vice versa.
  • the switching mechanism is designed such that upon release of the first trigger, the handle is moved to the first position and locked in the first position, and that upon release of the second trigger, the handle moves to the second position and locked there.
  • the handle can also be moved to the third or fourth position and locked there when the switching device is switched on or off.
  • the handle has at least one toothed segment, which is formed with the switching gear to lock the handle in one of the four positions.
  • such a switching device is used as a circuit breaker or as a device having a circuit breaker, to protect the current paths between an electrical supply and consumers.
  • the switching device can be manually switched off or on by rotation of the handle 4.
  • the handle 4 receives a total of four positions 10, 11, 12 and 13 are provided. The four positions 10, 11, 12 and 13 represent the on state, the off state, the shutdown due to overload and the shutdown due to short circuit for the switching device, respectively.
  • the first 12 and the second position 13 of the handle 4 are located between the third 10 and fourth position 11, wherein the angle of rotation of the handle 4 between the third position 10, in which the handle indicates the ON position of the device, and the fourth position 11, in which the handle 4 indicates the OFF position, is 90 °.
  • Each position 10, 11, 12 and 13 is represented differently by an icon (or label) for easier recognition.
  • the switching device When you turn the handle 4 to the ON position 10 ( FIG. 1 ), the switching device is switched on. If the handle 4, however, turned to the OFF position 11 ( FIG. 4 ), the switching device is switched off. In addition, the handle 4 can move automatically in position 12 or 13 and locked or locked there ( 3 and 2 ), if the switching device shuts off automatically due to overload or short circuit.
  • the switching device When the switching device is switched off, for example due to overload, the handle 4 moves from the ON position 10 via the position 13, which indicates the triggering due to short circuit, in the position 12 and is locked in this position 12, to further rotation after to prevent the OFF position 11. This makes it possible, by the handle 4 in addition to the on and off state to be able to display the reasons for switching off the switching device recognizable without an additional component must be used.
  • FIG. 5 shows the schematic structure of a switched-off switching device above.
  • the switching device has a first trigger 2 for protection against overload and a second trigger 3 for protection against short circuit.
  • the first trigger 2 is preferably a time-delayed thermo-bimetallic release
  • the second trigger 3 is preferably an instantaneous electromagnetic release, which further comprises a coil 17 with an armature 16.
  • the handle 4 has a toothed segment 6, and the switching mechanism 1 summarizes a mounted on a stationary axis switching gear 5 and at least one connecting lever 7 to.
  • the handle 4 is mechanically coupled to the switching mechanism 1.
  • the switching mechanism 1 is mechanically coupled to the triggers 2 and 3 respectively.
  • a spring 15 is provided for exerting a force on the lever 9, so that the switching mechanism 1 can actuate the triggers 2 and 3 or the handle 4 by its mechanical movement, conversely the same applies.
  • the handle 4 When the handle 4 is rotated to the position 11, the handle 4 engages by means of the toothed segment 6 in the shift gear 5 and rotates the shift gear 5. By the rotation of the shift gear 5, the switching mechanism 1, the switch contacts 14 open. As a result, the switching device is turned off, and at the same time, the handle 4 indicates the off state of the switching device in the OFF position 11.
  • FIG. 6 A switched on same switching device is in FIG. 6 shown schematically.
  • the handle 4 When the handle 4 is turned to the ON position 10, the handle 4 operates in the same manner the switch lock 1.
  • the switch contacts 14 are closed to turn on the switching device again, while the handle 4 shows the on state of the switching device in the ON position 10 on.
  • FIG. 7 the switching device has been switched off due to a short circuit.
  • the lever 9 In normal operation, the lever 9 is mounted on the spring 15 and presses the spring 15 together. When short circuit, the armature 16 dips into the coil 17 of the trigger 3 and the lever 9 is thereby released. The lever 9 is pressed by the relaxed spring force against the handle 4 and locks the handle 4 in the position 13. At the same time the switch contacts 1, the switching contacts 14 open. Thus, the switching device is switched off and at the same time the handle 4 indicates the Abschaltground as a short circuit in the position 13.
  • FIG. 8 the switching device has been switched off due to an overload.
  • the bimetal of the trigger 2 heats up.
  • the switching mechanism 1 is actuated via the lever 8.
  • the coupled with him handle 4 is moved to position 12 and locked there.
  • the switch contacts 14 are then opened.
  • the switching device is switched off and indicates the handle 4 the Abschaltground as overload in the 12 position.

Landscapes

  • Breakers (AREA)
  • Lock And Its Accessories (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

The device has switch latch for mechanical activation. The trippers are provided for overload protection and short circuit protection. A handle (4) for activation of switch latch is moved to corresponding position according to the tripping of trippers. An independent claim is included for method to display disconnection cause of switching device.

Description

Die Erfindung bezieht sich auf ein Schaltgerät mit einem Schaltschloss zur mechanischen Betätigung des Schaltgeräts, mit einem ersten Auslöser zum Schutz vor Überlast, mit einem zweiten Auslöser zum Schutz vor Kurzschluss und mit einer Handhabe zur Betätigung des Schaltschlosses bzw. ein Verfahren zur Anzeige der Abschaltursache eines derartigen Schaltgeräts.The invention relates to a switching device with a switch lock for mechanical actuation of the switching device, with a first trigger to protect against overload, with a second trigger for protection against short circuit and with a handle for actuating the switching mechanism or a method for indicating the cause of shutdown such switching device.

Zum Schutz von elektrischen Verbrauchern, z.B. Motoren, wird üblicherweise ein Schutzschalter verwendet, wobei er einen zeitlich verzögerten Auslöser zum Schutz vor Überlast und einen zeitlich unverzögerten Auslöser zum Schutz vor Kurzschluss besitzt. Dadurch, dass das Schaltschloss des Schutzschalters mit den Auslösern mechanisch gekoppelt wird, können die Auslöser durch automatisches Öffnen von Schaltkontakten den Stromkreis unterbrechen und das Abschalten des elektrischen Verbrauchers bewirken. Die Schaltkontakte können auch manuell mittels einer Handhabe des Schutzschalters geöffnet oder geschlossen werden, wobei die Handhabe mechanisch mit dem Schaltschloss gekoppelt oder im Schaltschloss integriert ist. Gleichzeitig sind der Ein-Zustand (eingeschalteter Schutzschalter) und der Aus-Zustand (ausgeschalteter Schutzschalter) durch die Stellung der Handhabe ersichtlich.For the protection of electrical consumers, e.g. Motors, a circuit breaker is usually used, wherein it has a time-delayed trigger for protection against overload and a temporally instantaneous trigger for protection against short circuit. The fact that the switching mechanism of the circuit breaker is mechanically coupled to the triggers, the shutter can break the circuit by automatically opening switch contacts and cause the shutdown of the electrical load. The switch contacts can also be opened or closed manually by means of a handle of the circuit breaker, wherein the handle is mechanically coupled to the switch lock or integrated in the switch lock. At the same time, the ON state (switched-on breaker) and the OFF state (switched-off breaker) can be seen by the position of the handle.

Es ist bereits bekannt, dass ein Schutzschalter eine Handhabe, die außerhalb des Schaltergehäuses angeordnet ist, aufweist. Die Handhabe wird in eine Zwischenstellung, auch als Tripped-Stellung bekannt, zwischen Aus- und Einstellung gebracht, wenn der Schutzschalter durch einen Auslöser zum Schutz vor Überlast oder Kurzschluss abgeschaltet wird. Dabei wird nur die Abschaltung des Schutzschalters durch die Stellung der Handhabe angezeigt, es kann aber nicht zwischen Überlast und Kurzschluss unterschieden werden. Um die Ursache kenntlich zu machen, wird in einigen Geräten durch eine Lampe ein anhaubares Zusatzmodul oder durch eine integrierte zusätzliche Anzeige sichtbar angezeigt, welcher der Auslöser die Auslösung verursacht hat. Die Verwendung eines anbaubaren Zusatzmoduls oder einer integrierten zusätzlichen Anzeige ist einerseits bei den Herstellungskosten von Schutzschaltern ungünstig und andererseits wird die Vereinfachung der Struktur bzw. die Miniarisierung der Größe von Schutzschaltern erschwert.It is already known that a circuit breaker has a handle which is arranged outside of the switch housing. The handle is brought into an intermediate position, also known as a tripped position, between off and adjustment, when the circuit breaker is switched off by a shutter to protect against overload or short circuit. Only the shutdown of the circuit breaker is indicated by the position of the handle, but it can not be distinguished between overload and short circuit. In order to identify the cause, some devices use a lamp a visible add-on module or visibly indicated by an integrated additional display which caused the trigger to trip. The use of a mountable add-on module or an integrated additional display is on the one hand in the manufacturing cost of circuit breakers unfavorable and on the other hand, the simplification of the structure or the miniaturization of the size of circuit breakers is difficult.

US 2004/008098 A1 offenbart ein Schaltgerät gemäß Oberbegriff des Anspruchs 1, und ein Verfahren gemäß Oberbegriff des Anspruchs 8. US 2004/008098 A1 discloses a switching device according to the preamble of claim 1, and a method according to the preamble of claim 8.

Der Erfindung liegt die Aufgabe zugrunde, die Abschaltursachen eines Schaltgeräts voneinander sichtlich zu unterscheiden.The invention has for its object to visually distinguish the Abschaltursachen a switching device.

Die Aufgabe kann mit einem Schaltgerät nach Anspruch 1 und mit einem Verfahren nach Anspruch 8 gelöst werden. Die untergeordneten Ansprüche beschreiben weitere vorteilhafte Ausführungsformen der Erfindung.The object can be achieved with a switching device according to claim 1 and with a method according to claim 8. The subordinate claims describe further advantageous embodiments of the invention.

Der Erfindung liegt die Aufgabe zugrunde, in einem Schaltgerät durch die Stellung der Handhabe den Auslösegrund anzuzeigen. Wenn ein Schaltgerät, welches ein Schaltschloss zur mechanischen Betätigung des Schaltgeräts, einen ersten Auslöser zum Schutz vor Überlast, einen zweiten Auslöser zum Schutz vor Kurzschluss und eine Handhabe zur Betätigung des Schaltschlosses aufweist, um auf die Abschaltursache des Schaltgerätes hinzuweisen, dann wird das Schaltgerät derart ausgebildet, dass die Handhabe in eine erste Stellung bewegt wird, wenn der erste Auslöser wegen einer Überlast ausgelöst wird, und die Handhabe in eine zweite Stellung bewegt wird, wenn der zweite Auslöser wegen eines Kurzschlusses ausgelöst wird, wobei die erste und die zweite Stellung unterschiedlich sind. Dadurch kann bei einem abschalteten Schaltgerät der Auslösegrund auch ohne zusätzliche Anzeige auf eine einfache Weise kenntlich gemacht werden. Es wird auch kein zusätzlicher Platz auf der kleinen Sichtfläche auf dem Schaltgehäuse für weitere Anzeigeelemente benötigt.The invention has for its object to indicate in a switching device by the position of the handle the triggering reason. If a switching device which has a switching mechanism for mechanical operation of the switching device, a first trigger for protection against overload, a second trigger for protection against short circuit and a handle for actuating the switching mechanism to indicate the shutdown cause of the switching device, then the switching device is so formed to move the handle to a first position when the first trigger is triggered due to an overload, and the handle is moved to a second position when the second trigger is triggered because of a short circuit, wherein the first and the second position different are. As a result, in the case of a disconnected switching device, the cause of the trip can also be identified in a simple manner without additional indication. There is also no need for additional space on the small viewing surface on the switch housing for other display elements.

Gemäß einer vorteilhaften Ausgestaltung der Erfindung wird die Handhabe zur manuellen Betätigung des Schaltgeräts vorgesehen. Dabei wird die Handhabe zum Betätigen des Schaltschlosses derart ausgebildet, dass das Schaltgerät eingeschaltet wird, wenn die Handhabe in eine dritte Stellung bewegt wird, und dass das Schaltgerät ausgeschaltet wird, wenn die Handhabe in eine vierte Stellung bewegt wird. Alle vier Stellungen unterscheiden sich voneinander. Bei Verwendung des Schaltgeräts in einem Schaltschrank, in einem Gehäuse oder ähnlichem, werden durch die Stellung der Handhabe neben dem Ein- und Aus-Zustand auch die Abschaltgründe des Schaltgeräts außen auf der Schaltschranktür oder dem Gehäuse angezeigt.According to an advantageous embodiment of the invention, the handle for manual operation of the switching device is provided. The handle for actuating the switch lock is designed such that the switching device is turned on when the handle is moved to a third position, and that the switching device is turned off when the handle is moved to a fourth position. All four positions differ from each other. When using the switching device in a cabinet, in a housing or the like, the position of the handle next to the on and off state and the reasons for switching off the switching device are displayed outside the cabinet door or the housing.

In einer vorteilhaften Ausführungsform wird das Schaltgerät derart ausgebildet, dass die Handhabe in die vier Stellungen durch eine Drehbewegung gelangt wird. Jede der vier Stellungen kann durch ein Symbol oder ein Zeichen dargestellt und bei einer drehbaren Handhabe bspw. in einem Kreis angeordnet werden. Durch Drehbewegung kann die Handhabe an jede Stellung erreichen und die Zustände und die Abschaltursachen des Schaltgeräts anzeigen.In an advantageous embodiment, the switching device is designed such that the handle is passed into the four positions by a rotational movement. Each of the four positions can be represented by a symbol or a character and arranged in a rotatable handle, for example. In a circle. Rotary motion allows the handle to reach any position and indicate the status and shutdown causes of the switchgear.

Vorteilhafterweise weist das Schaltgerät ein Schaltzahnrad auf, das ausgebildet ist, die Drehbewegung der Handhabe erzeugt. Durch das Schaltzahnrad kann die Drehbewegung der Handhabe auf das Schaltschloss übertragen werden, oder anders herum.Advantageously, the switching device has a switching gear, which is formed, generates the rotational movement of the handle. By the switching gear, the rotational movement of the handle can be transferred to the switch lock, or vice versa.

Gemäß einer weiteren vorteilhaften Ausgestaltung der Erfindung wird das Schaltschloss derart ausgebildet, dass bei der Auslösung des ersten Auslösers die Handhabe in die erste Stellung bewegt und in der ersten Stellung gesperrt wird, und dass bei der Auslösung des zweiten Auslösers die Handhabe in die zweite Stellung bewegt und dort gesperrt wird. Die Handhabe kann auch in die dritte oder vierte Stellung bewegt und dort gesperrt werden, wenn das Schaltgerät ein- oder ausgeschaltet wird.According to a further advantageous embodiment of the invention, the switching mechanism is designed such that upon release of the first trigger, the handle is moved to the first position and locked in the first position, and that upon release of the second trigger, the handle moves to the second position and locked there. The handle can also be moved to the third or fourth position and locked there when the switching device is switched on or off.

In vorteilhafter Weise weist die Handhabe zumindest ein Zahnsegment auf, das mit dem Schaltzahnrad ausgebildet ist, um die Handhabe in einer der vier Stellungen zu sperren.Advantageously, the handle has at least one toothed segment, which is formed with the switching gear to lock the handle in one of the four positions.

In der Regel wird ein derartiges Schaltgerät als Leistungsschalter oder als Gerät, das einen Leistungsschalter aufweist, verwendet, um die Strombahnen zwischen einer elektrischen Versorgung und Verbrauchern zu schützen.In general, such a switching device is used as a circuit breaker or as a device having a circuit breaker, to protect the current paths between an electrical supply and consumers.

Im Folgenden wird die Erfindung anhand der in den Figuren dargestellten Ausführungsbeispiele näher beschrieben und erläutert. Es zeigen:

FIG 1
eine Darstellung der Handhabe eines eingeschalten Schaltgerätes,
FIG 2
eine Darstellung der Handhabe eines ausgelösten Schaltgerätes wegen Kurzschluss,
FIG 3
eine Darstellung der Handhabe eines ausgelösten Schaltgerätes wegen Überlast,
FIG 4
eine Darstellung der Handhabe eines ausgeschalteten Schaltgerätes,
FIG 5
eine schematische Darstellung des Aus-Zustands des Schaltgerätes,
FIG 6
eine schematische Darstellung des Ein-Zustands des Schaltgerätes,
FIG 7
eine schematische Darstellung der Abschaltung des Schaltgerätes wegen Kurzschluss, und
FIG 8
eine schematische Darstellung der Abschaltung des Schaltgerätes wegen Überlast.
In the following the invention will be described and explained in more detail with reference to the embodiments illustrated in the figures. Show it:
FIG. 1
a representation of the handle of a switched switching device,
FIG. 2
an illustration of the handle of a tripped switching device due to short circuit,
FIG. 3
a representation of the handle of a tripped switching device due to overload,
FIG. 4
an illustration of the handle of a switched-off switching device,
FIG. 5
a schematic representation of the off state of the switching device,
FIG. 6
a schematic representation of the on-state of the switching device,
FIG. 7
a schematic representation of the shutdown of the switching device due to short circuit, and
FIG. 8
a schematic representation of the shutdown of the switching device due to overload.

FIG 1 bis 4 zeigen jeweils eine Handhabe 4 eines Schaltgeräts, welches zum Schutz eines elektrischen Verbrauches, wie z.B. eines Motors, gegenüber Kurzschluss oder Überlast verwendet wird. Zudem kann das Schaltgerät durch Drehung der Handhabe 4 manuell aus- oder eingeschaltet werden. Um die Schaltzustände - ein- bzw. ausgeschaltet - sowie die Abschaltursache (Kurzschluss oder Überlast) des Schaltgeräts sichtlich anzuzeigen, werden bei der Handhabe 4 insgesamt vier Stellungen 10, 11, 12 und 13 vorgesehen. Die vier Stellungen 10, 11, 12 und 13 repräsentieren jeweils den Ein-Zustand, den Aus-Zustand, die Abschaltung wegen Überlast und die Abschaltung wegen Kurzschluss für das Schaltgerät. Die erste 12 und die zweite Stellung 13 der Handhabe 4 befinden sich zwischen der dritten 10 und vierten Stellung 11, wobei der Verdrehwinkel der Handhabe 4 zwischen der dritten Stellung 10, in der die Handhabe die EIN-Stellung des Gerätes anzeigt, und der vierten Stellung 11, in der die Handhabe 4 die AUS-Stellung anzeigt, 90° beträgt. Jede Stellung 10, 11, 12 und 13 wird durch ein Symbol (oder Beschriftung) zur leichteren Erkennung unterschiedlich dargestellt. 1 to 4 each show a handle 4 of a switching device, which is used to protect electrical consumption, such as a motor against short circuit or overload. In addition, the switching device can be manually switched off or on by rotation of the handle 4. To visually indicate the switching states - on or off - as well as the cause of the shutdown (short circuit or overload) of the switching device, the handle 4 receives a total of four positions 10, 11, 12 and 13 are provided. The four positions 10, 11, 12 and 13 represent the on state, the off state, the shutdown due to overload and the shutdown due to short circuit for the switching device, respectively. The first 12 and the second position 13 of the handle 4 are located between the third 10 and fourth position 11, wherein the angle of rotation of the handle 4 between the third position 10, in which the handle indicates the ON position of the device, and the fourth position 11, in which the handle 4 indicates the OFF position, is 90 °. Each position 10, 11, 12 and 13 is represented differently by an icon (or label) for easier recognition.

Wenn man die Handhabe 4 in die EIN-Stellung 10 dreht (FIG 1), wird das Schaltgerät eingeschaltet. Wird die Handhabe 4 dagegen in die AUS-Stellung 11 gedreht (FIG 4), wird das Schaltgerät ausgeschaltet. Zudem kann sich die Handhabe 4 automatisch in Stellung 12 oder 13 bewegen und dort gesperrt oder verriegelt werden (FIG 3 und 2), wenn das Schaltgerät wegen Überlast oder wegen Kurzschluss automatisch abschaltet. Wenn das Schaltgerät z.B. wegen Überlast abgeschaltet wird, bewegt sich die Handhabe 4 von der EIN-Stellung 10 aus über die Stellung 13, welche die Auslösung wegen Kurzschluss anzeigt, in die Stellung 12 und wird in dieser Stellung 12 gesperrt, um eine weitere Drehung nach die AUS-Stellung 11 zu verhindern. Dadurch ist es möglich, alleine durch die Handhabe 4 neben dem Ein- und Aus-Zustand auch die Abschaltgründe des Schaltgeräts erkennbar anzeigen zu können, ohne dass ein zusätzliches Bauteil verwendet werden muss.When you turn the handle 4 to the ON position 10 ( FIG. 1 ), the switching device is switched on. If the handle 4, however, turned to the OFF position 11 ( FIG. 4 ), the switching device is switched off. In addition, the handle 4 can move automatically in position 12 or 13 and locked or locked there ( 3 and 2 ), if the switching device shuts off automatically due to overload or short circuit. When the switching device is switched off, for example due to overload, the handle 4 moves from the ON position 10 via the position 13, which indicates the triggering due to short circuit, in the position 12 and is locked in this position 12, to further rotation after to prevent the OFF position 11. This makes it possible, by the handle 4 in addition to the on and off state to be able to display the reasons for switching off the switching device recognizable without an additional component must be used.

FIG 5 zeigt den schematischen Aufbau eines ausgeschalteten oben genannten Schaltgerätes. Das Schaltgerät weist einen ersten Auslöser 2 zum Schutz vor Überlast und einen zweiten Auslöser 3 zum Schutz vor Kurzschluss auf. Der erste Auslöser 2 ist vorzugsweise ein zeitverzögerter Thermo-Bimetallauslöser, und der zweite Auslöser 3 ist vorzugsweise ein unverzögerter elektromagnetischer Auslöser, welcher ferner eine Spule 17 mit einem Anker 16 aufweist. Weiterhin weist das Schaltgerät ein Schaltschloss 1 zur mechanischen Betätigung beweglichen Kontakte 14 des Schaltgeräts und eine Handhabe 4 zum Betätigen des Schaltschlosses 1 auf. Die Handhabe 4 hat ein Zahnsegment 6, und das Schaltschloss 1 fasst ein um eine ortsfeste Achse gelagertes Schaltzahnrad 5 und mindestens einen Verbindungshebel 7 um. Dadurch, dass ein Zahnsegment 6 in das Schaltzahnrad 5 eingreift, wird die Handhabe 4 mit dem Schaltschloss 1 mechanisch gekoppelt. Über zwei Hebel 8 und 9 ist das Schaltschloss 1 jeweils mit den Auslösern 2 und 3 mechanisch gekoppelt. Eine Feder 15 ist zum Ausüben einer Kraft auf den Hebel 9 vorgesehen, damit das Schaltschloss 1 durch seine mechanische Bewegung die Auslöser 2 und 3 bzw. die Handhabe 4 betätigen kann, umgekehrt gilt das gleiche. FIG. 5 shows the schematic structure of a switched-off switching device above. The switching device has a first trigger 2 for protection against overload and a second trigger 3 for protection against short circuit. The first trigger 2 is preferably a time-delayed thermo-bimetallic release, and the second trigger 3 is preferably an instantaneous electromagnetic release, which further comprises a coil 17 with an armature 16. Furthermore, the Switching device, a switching mechanism 1 for mechanical actuation movable contacts 14 of the switching device and a handle 4 for actuating the switching mechanism 1 on. The handle 4 has a toothed segment 6, and the switching mechanism 1 summarizes a mounted on a stationary axis switching gear 5 and at least one connecting lever 7 to. Characterized in that a toothed segment 6 engages in the switching gear 5, the handle 4 is mechanically coupled to the switching mechanism 1. About two levers 8 and 9, the switching mechanism 1 is mechanically coupled to the triggers 2 and 3 respectively. A spring 15 is provided for exerting a force on the lever 9, so that the switching mechanism 1 can actuate the triggers 2 and 3 or the handle 4 by its mechanical movement, conversely the same applies.

Wenn die Handhabe 4 in die Stellung 11 gedreht wird, greift die Handhabe 4 mittels des Zahnsegments 6 in das Schaltzahnrad 5 ein und dreht das Schaltzahnrad 5. Durch die Drehung des Schaltzahnrades 5 kann das Schaltschloss 1 die Schaltkontakte 14 öffnen. Dadurch wird das Schaltgerät ausgeschaltet, und gleichzeitig zeigt die Handhabe 4 den Aus-Zustand des Schaltgeräts in der AUS-Stellung 11 an.When the handle 4 is rotated to the position 11, the handle 4 engages by means of the toothed segment 6 in the shift gear 5 and rotates the shift gear 5. By the rotation of the shift gear 5, the switching mechanism 1, the switch contacts 14 open. As a result, the switching device is turned off, and at the same time, the handle 4 indicates the off state of the switching device in the OFF position 11.

Ein eingeschaltetes gleiches Schaltgerät wird in FIG 6 schematisch dargestellt. Wenn die Handhabe 4 in die EIN-Stellung 10 gedreht wird, betätigt die Handhabe 4 auf die gleiche Weise das Schaltschloss 1. Die Schaltkontakte 14 werden geschlossen, um das Schaltgerät wieder einzuschalten, währenddessen zeigt die Handhabe 4 den Ein-Zustand des Schaltgeräts in der EIN-Stellung 10 an.A switched on same switching device is in FIG. 6 shown schematically. When the handle 4 is turned to the ON position 10, the handle 4 operates in the same manner the switch lock 1. The switch contacts 14 are closed to turn on the switching device again, while the handle 4 shows the on state of the switching device in the ON position 10 on.

In FIG 7 ist das Schaltgerät wegen eines Kurzschlusses abgeschaltet worden. Im normalen Betrieb wird der Hebel 9 auf der Feder 15 gelagert und drückt die Feder 15 zusammen. Beim Kurzschluss taucht der Anker 16 in die Spule 17 des Auslösers 3 ein und der Hebel 9 wird dadurch freigegeben. Der Hebel 9 wird durch die entspannte Federkraft gegen die Handhabe 4 gedrückt und verriegelt die Handhabe 4 in der Stellung 13. Gleichzeitig werden über das Schaltschloss 1 die Schaltkontakte 14 geöffnet. Somit wird das Schaltgerät abgeschaltet und gleichzeitig zeigt die Handhabe 4 den Abschaltgrund als Kurzschluss in der Stellung 13 an.In FIG. 7 the switching device has been switched off due to a short circuit. In normal operation, the lever 9 is mounted on the spring 15 and presses the spring 15 together. When short circuit, the armature 16 dips into the coil 17 of the trigger 3 and the lever 9 is thereby released. The lever 9 is pressed by the relaxed spring force against the handle 4 and locks the handle 4 in the position 13. At the same time the switch contacts 1, the switching contacts 14 open. Thus, the switching device is switched off and at the same time the handle 4 indicates the Abschaltgrund as a short circuit in the position 13.

In FIG 8 ist das Schaltgerät wegen einer Überlast abgeschaltet worden. Bei Überlastung erwärmt sich das Bimetall des Auslösers 2. Durch die Ausbiegung des Bimetalls wird über den Hebel 8 das Schaltschloss 1 betätigt. Durch das Schaltschloss 1 wird die mit ihm gekoppelte Handhabe 4 in die Stellung 12 bewegt und dort verriegelt. Die Schaltkontakte 14 werden dann geöffnet. Somit wird das Schaltgerät abgeschaltet und zeigt die Handhabe 4 den Abschaltgrund als Überlastung in der Stellung 12 an.In FIG. 8 the switching device has been switched off due to an overload. When overloaded, the bimetal of the trigger 2 heats up. Due to the deflection of the bimetal, the switching mechanism 1 is actuated via the lever 8. Through the switching mechanism 1, the coupled with him handle 4 is moved to position 12 and locked there. The switch contacts 14 are then opened. Thus, the switching device is switched off and indicates the handle 4 the Abschaltgrund as overload in the 12 position.

Claims (13)

  1. Switching device comprising a switch latch (1) for mechanical activation of the switching device, a first tripper (2) for overload protection, a second tripper (3) for short-circuit protection, and a handle (4) for activation of the switch latch (1),
    characterised in that
    the switching device is embodied to move the handle (4) to a first position if the first tripper (2) is tripped, and
    to move the handle (4) to a second position (13) if the second tripper (3) is tripped,
    wherein the first position (12) and the second position (13) are different.
  2. Switching device according to claim 1,
    characterised in that
    the handle (4) for activating the switch latch (1) is embodied such that the switching device is switched on if the handle (4) is in a third position (10), and
    that the switching device is switched off if the handle (4) is moved to a fourth position (11),
    wherein the four positions (10, 11, 12 and 13) are different.
  3. Switching device according to claim 1 or 2,
    characterised in that
    the switching device is embodied to position the handle (4) in the four positions (10, 11, 12 and 13) by means of a rotational movement.
  4. Switching device according to claim 3,
    characterised in that
    the switching device has a switch gearwheel (5) which is embodied to produce the rotational movement of the handle (4).
  5. Switching device according to one of the preceding claims,
    characterised in that
    the switch latch (1) is embodied so as to move the handle (4) to the first position (12) and lock it in the first position (12) when the first tripper (2) is tripped, to move the handle (4) to the second position (13) and lock it in the second position (13) when the second tripper (3) is tripped,
    to lock the handle (4) in the third position (10) when the switching device is switched on, and
    to lock the handle (4) in the fourth position (11) when the switching device is switched off.
  6. Switching device according to one of the preceding claims,
    characterised in that
    the handle (4) has at least one toothed segment (6) which is embodied in conjunction with the switch gearwheel (5) to lock the handle (4) in one of the four positions (10, 11, 12 and 13).
  7. Switching device according to one of claims 1 to 6, wherein the switching device is a power switch or a device which has a power switch.
  8. Method for displaying the disconnection cause of a switching device, wherein the switching device has a first tripper (2) for overload protection, a second tripper (3) for short-circuit protection, a switch latch (1) for mechanical activation of the switching device, and a handle (4) for activation of the switch latch (1),
    characterised in that
    the handle (4) is moved to a first position (12) if the first tripper (2) is tripped, and that the handle (4) is moved to a second position (13) if the second tripper (3) is tripped, and
    wherein the first position (12) and the second position (13) are different.
  9. Method according to claim 8,
    characterised in that
    the switching device is switched on if the handle (4) is moved to a third position (10), and
    the switching device is switched off if the handle (4) is moved to a fourth position (11),
    wherein the four positions (10, 11, 12, 13) are different.
  10. Method according to claim 8 or 9,
    characterised in that
    the handle (4) is positioned in the four positions (10, 11, 12 and 13) by means of a rotational movement.
  11. Method according to claim 10,
    characterised in that
    the rotational movement of the handle (4) is produced by a switch gearwheel (5).
  12. Method according to one of claims 8 to 11,
    characterised in that
    the handle (4) is moved to the first position and locked in the first position when the first trigger (2) is triggered, the handle (4) is moved to the second position and locked in the second position when the second trigger (3) is triggered, the handle (4) is locked in the third position (10) when the switching device is switched on, and
    the handle (4) is locked in the fourth position (11) when the switching device is switched off.
  13. Method according to claim 12,
    characterised in that
    the handle (4) is locked because the handle (4) has at least one toothed segment (6).
EP06020611A 2006-09-29 2006-09-29 Switching device with operating mechanism Not-in-force EP1906426B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE502006003677T DE502006003677D1 (en) 2006-09-29 2006-09-29 Switchgear with switch lock
EP06020611A EP1906426B1 (en) 2006-09-29 2006-09-29 Switching device with operating mechanism
AT06020611T ATE430985T1 (en) 2006-09-29 2006-09-29 SWITCHING DEVICE WITH SWITCH LOCK
CN2007101366693A CN101154538B (en) 2006-09-29 2007-07-18 Switching device with switch latch
US11/900,340 US7583170B2 (en) 2006-09-29 2007-09-11 Switching device with switch latch
JP2007246526A JP4624390B2 (en) 2006-09-29 2007-09-25 Switchgear and method for displaying cause of shutoff in switchgear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06020611A EP1906426B1 (en) 2006-09-29 2006-09-29 Switching device with operating mechanism

Publications (2)

Publication Number Publication Date
EP1906426A1 EP1906426A1 (en) 2008-04-02
EP1906426B1 true EP1906426B1 (en) 2009-05-06

Family

ID=37808306

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06020611A Not-in-force EP1906426B1 (en) 2006-09-29 2006-09-29 Switching device with operating mechanism

Country Status (6)

Country Link
US (1) US7583170B2 (en)
EP (1) EP1906426B1 (en)
JP (1) JP4624390B2 (en)
CN (1) CN101154538B (en)
AT (1) ATE430985T1 (en)
DE (1) DE502006003677D1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012008276A1 (en) * 2011-07-25 2013-01-31 Abb Technology Ag Locking device for a drive unit of a three-position drive for a switching device of a switchgear
FR3023969B1 (en) * 2014-07-17 2017-12-22 Schneider Electric Ind Sas DEVICE FOR SIGNALING AN ELECTRICAL FAULT IN AN ELECTRICAL PROTECTION APPARATUS, AND APPARATUS COMPRISING SUCH A DEVICE
CN104752111A (en) * 2015-03-04 2015-07-01 浙江天正电气股份有限公司 Moulded case circuit breaker
KR200481214Y1 (en) 2015-06-24 2016-08-30 엘에스산전 주식회사 The Locking Device for Operating Mechanism of Gas Insulated Switchgear
CN106328402B (en) * 2015-06-30 2018-07-03 上海电科电器科技有限公司 The instruction device of electric switch
CN107658163B (en) * 2015-09-02 2019-02-15 涡阳县华夏气体有限公司 A kind of high-voltage safety cabinet device
FR3051593B1 (en) * 2016-05-23 2019-10-04 Schneider Electric Industries Sas DEVICE FOR SIGNALING AN ELECTRICAL FAULT IN AN ELECTRICAL PROTECTION APPARATUS, AND ELECTRICAL PROTECTION APPARATUS COMPRISING SUCH A DEVICE

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Publication number Priority date Publication date Assignee Title
JPS631403Y2 (en) * 1980-02-15 1988-01-14
FR2538160B1 (en) * 1982-12-20 1985-12-13 Telemecanique Electrique CONTACTOR APPARATUS WITH CONTROLLED ELECTROMAGNETIC ACTUATION AND WITH AUTOMATIC OPENING ON THE APPEARANCE OF OVERLOADS
US4598183A (en) * 1984-07-27 1986-07-01 Square D Company Trip indicating circuit breaker operating handle
GB2246909B (en) * 1990-07-16 1995-02-22 Terasaki Denki Sangyo Kk Circuit breaker including forced contact parting mechanism capable of self-retaining under short circuit condition
JP2517495B2 (en) * 1991-06-12 1996-07-24 寺崎電気産業株式会社 Circuit breaker
FR2799573B1 (en) * 1999-10-11 2001-12-14 Schneider Electric Ind Sa CIRCUIT BREAKER CONTROL MECHANISM
JP3966058B2 (en) * 2002-04-19 2007-08-29 富士電機機器制御株式会社 Circuit breaker
CN1320579C (en) * 2005-07-06 2007-06-06 浙江中凯电器有限公司 Operation mechanism of controlling and protecting electrical equipment on-off
CN1741224A (en) * 2005-07-27 2006-03-01 上海电器科学研究所（集团）有限公司 Fault area separate operating mechanism of double-push bar controlling single-normally open contact

Also Published As

Publication number Publication date
US7583170B2 (en) 2009-09-01
ATE430985T1 (en) 2009-05-15
DE502006003677D1 (en) 2009-06-18
CN101154538A (en) 2008-04-02
JP2008091333A (en) 2008-04-17
CN101154538B (en) 2010-06-23
JP4624390B2 (en) 2011-02-02
US20080079518A1 (en) 2008-04-03
EP1906426A1 (en) 2008-04-02

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