EP2013892B1 - Electrical circuit breaker - Google Patents

Electrical circuit breaker Download PDF

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Publication number
EP2013892B1
EP2013892B1 EP06724660.3A EP06724660A EP2013892B1 EP 2013892 B1 EP2013892 B1 EP 2013892B1 EP 06724660 A EP06724660 A EP 06724660A EP 2013892 B1 EP2013892 B1 EP 2013892B1
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EP
European Patent Office
Prior art keywords
circuit breaker
control panel
switching element
operator control
housing
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.)
Active
Application number
EP06724660.3A
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German (de)
French (fr)
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EP2013892A1 (en
Inventor
Peter Meckler
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.)
Ellenberger and Poensgen GmbH
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Ellenberger and Poensgen GmbH
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Priority to PL06724660T priority Critical patent/PL2013892T3/en
Publication of EP2013892A1 publication Critical patent/EP2013892A1/en
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    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • 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
    • H01H2071/006—Provisions for user interfaces for electrical protection devices
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit

Definitions

  • the invention relates to an electrical circuit breaker having the features of the preamble of claim 1.
  • Such a circuit breaker is for example from the EP 0 973 239 A2 refer to.
  • Such circuit breakers are generally used to protect the lines of a load circuit and a switchable arranged in this consumer against short circuit or overload.
  • the load circuit is connected to the outer conductor of a supply or operating voltage via the circuit breaker, which shuts off the load or control circuit in case of failure.
  • a manual reset of the circuit breaker is made possible after triggering the circuit breaker in case of failure, so that the load circuit is again connected to the outer conductor of the supply or operating voltage.
  • the manually operable control element is usually a rocker switch or a button.
  • a single-pole circuit breaker is for example from the DE 101 20 189 A1 known, which can be latched onto a DIN rail and has a manually operable actuating lever.
  • the invention has for its object to provide a circuit breaker with improved ease of use.
  • the operating element is designed as a touch-sensitive control panel, which is integrated in the housing of the circuit breaker.
  • the control panel also referred to as “touch panel” or “touch screen”, is thus part of the circuit breaker.
  • touch-sensitive control panel is an operating unit understood in the on a touch screen or touch screen, a switching element is displayed electronically, wherein upon touching the screen in the region of the switching element shown an operating command is generated.
  • the control panel has no moving switching element parts.
  • control panel is also designed as a display element for displaying a current status information of the circuit breaker.
  • it is therefore displayed on the control panel, if the circuit breaker has triggered in the wake of an error and is in the "off" position or if it is in the normal operating position "on".
  • the control panel which also functions as a display element, the most varied information can also be displayed here or displayed via a menu.
  • control panel is integrated according to an expedient embodiment in the front of the housing and in particular forms a major part of the front to have the largest possible area for the control panel available.
  • control panel is connected to a control device, which is designed to deliver a control signal, wherein the control signal pulls an actuation of the switching element in response to the operation of the control panel by itself.
  • the control device therefore converts the operating commands entered via the touch panel into corresponding control commands or control signals.
  • the control device also controls the information displayed on the control panel, such as status information about the state of the circuit breaker.
  • the control device is also provided with a memory, which information contains, for example, on existing configuration states of the circuit breaker or on the history, for example, information at what time the circuit breaker has triggered, etc. This information is preferably readable or displayed on the control panel and can thus be used in the wake of an error case for a fault diagnosis For example, to evaluate when the error occurred.
  • circuit breaker is still configurable via the control panel. For example, tripping thresholds are set via the control panel.
  • the switching element is an electronic switching element, such as intelligent power semiconductors or semiconductor switching elements such as FET or MOS devices.
  • the control panel is in this case connected via the control device with the switching element for its actuation.
  • the integration of the touch panel in an electronic circuit breaker with such an electronic switching element is particularly advantageous because sufficient for the actuation of the switching element electrical control signals that are generated directly from the control device in a simple manner.
  • the switching element has a mechanically operable switching element, wherein an actuator is provided for actuating the switching element, which is activated by means of the control signal.
  • an actuator is for example an electric motor drive, with which the mechanical switching element in the normal operating position "on" can be brought.
  • a magnetically acting actuator can also be provided.
  • the sketched in the figures only greatly simplified sketched circuit breaker 2 is connected in a load circuit 4.
  • a voltage source 6 for providing an operating voltage U and a load 8, for example, a machine in a production line, a motor or other electrical consumer, arranged.
  • the load 8 is connected via a line 10 to the operating voltage.
  • the load 8 can also be connected in multiple poles to the voltage source 6.
  • In a multi-pole supply usually each strand of the line 10 is monitored via a respective circuit breaker 2 or a protective switch device.
  • the circuit breaker 2 protects the line 10 and the load 8 against an overload current or against a short-circuit current.
  • a switching element 12 of the circuit breaker separates the load 8 from the load circuit 4.
  • the switching element is formed as an electronic switching element, for example as a power semiconductor, a FET or MOS semiconductor device or the like.
  • the switching element 12 comprises a mechanically operable switching element 14.
  • the switching element 14 is designed as a thermal, thermal-magnetic or similar circuit breaker. Also a pure switching contact is possible when the current is detected and via the control device 22, a trigger signal for actuating the switching element 14 is generated
  • the circuit breaker 2 has a housing 16 shown in dashed lines in the figures.
  • a touch-sensitive control panel 20 also commonly referred to as a touch panel integrated.
  • the control panel 20 is connected to a control device 22. This is again in the embodiment of Fig. 1 with the electronic switching element 12 and in the embodiment of Fig. 2 connected to an actuator 24.
  • the actuator 24 acts on the switching element 14 via an actuator 26.
  • control or control signals C1 are transmitted from the control panel 20 to the control device.
  • control device 22 transmits control signals C2 to the electronic switching element 12 or to the actuator 24. These in turn transmit status signals S2 to the control device 22.
  • the circuit breaker 2 monitors the load circuit 8 for overcurrent.
  • the current status of the switching element 12 is transmitted as a status signal S2 to the control device 22 and from this as a status signal S1 on to the control panel 20, which is also designed as a display element, and displays the current status.
  • the control panel 20 preferably covers the entire or almost the entire surface of the front side 18 in order to provide the largest possible operating and display area.
  • a mechanical or electronic coupling of a plurality of circuit breaker 2 which are arranged side by side, for example, on a top hat rail and which are each provided for switching a wire of a multipolar line, only one control panel for the plurality of circuit breaker 2 is preferably provided.
  • the respective switching elements 12 of the plurality of circuit breaker 2 are operated together via the control panel 20. Also, the status information is displayed on the control panel 20 together.
  • the integration of the operating panel 20 into the housing 16 in conjunction with the control device 22 creates a clear added value for the user.
  • B. paddles offers namely the use of the control panel 20, the possibility of integrating multiple functions.
  • the display functionality which informs the user in particular about the current status of the circuit breaker 2.
  • the variability of the control panel 20 is given by the control device 20 namely.
  • control panel 20 can therefore preferably select the rated currents, from which the circuit breaker 2 is to trigger.
  • information about the state of the circuit breaker 2 is also stored at least temporarily so that it can be called up for diagnostic purposes, for example.
  • the control device 22 includes a memory in which information about the time of triggering of the circuit breaker 2 are stored.
  • control panel 20 has become Fig. 1 and 2 exemplified by an overcurrent circuit breaker.
  • control panel 20 can also be integrated into other types of circuit breakers, such as residual current circuit breakers.

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  • Breakers (AREA)

Description

Die Erfindung betrifft einen elektrischen Schutzschaltermit den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to an electrical circuit breaker having the features of the preamble of claim 1.

Ein derartiger Schutzschalter ist beispielsweise aus der EP 0 973 239 A2 zu entnehmen. Derartige Schutzschalter dienen allgemein zum Schutz der Leitungen eines Laststromkreises sowie eines in diesem schaltbar angeordneten Verbrauchers gegen Kurzschluss oder Überlast. Hierzu wird der Laststromkreis an die Außenleiter einer Versorgungs- oder Betriebsspannung über den Schutzschalter angeschlossen, der den Lastoder Steuerstromkreis im Fehlerfall abschaltet. Über das von außen bedienbare Bedienelement ist nach einem Auslösen des Schutzschalters im Fehlerfall ein manuelles Zurücksetzen des Schutzschalters ermöglicht, so dass der Laststromkreis wieder an die Außenleiter der Versorgungs- oder Betriebsspannung angeschlossen ist. Das manuell betätigbare Bedienelement ist üblicherweise eine Schaltwippe oder auch ein Taster.Such a circuit breaker is for example from the EP 0 973 239 A2 refer to. Such circuit breakers are generally used to protect the lines of a load circuit and a switchable arranged in this consumer against short circuit or overload. For this purpose, the load circuit is connected to the outer conductor of a supply or operating voltage via the circuit breaker, which shuts off the load or control circuit in case of failure. About the externally operable control element, a manual reset of the circuit breaker is made possible after triggering the circuit breaker in case of failure, so that the load circuit is again connected to the outer conductor of the supply or operating voltage. The manually operable control element is usually a rocker switch or a button.

Ein einpoliger Schutzschalter ist zum Beispiel aus der DE 101 20 189 A1 bekannt, der auf eine Hutschiene aufrastbar ist und einen manuell betätigbaren Betätigungshebel aufweist.A single-pole circuit breaker is for example from the DE 101 20 189 A1 known, which can be latched onto a DIN rail and has a manually operable actuating lever.

In der US 6,292,717 B1 ist ein Energieinformationssystem mit einer berührungssensitiven Tastatur zur Nutzung mit einem Schutzschalter offenbart.In the US 6,292,717 B1 discloses an energy information system with a touch-sensitive keyboard for use with a circuit breaker.

Der Erfindung liegt die Aufgabe zugrunde, einen Schutzschalter mit verbessertem Bedienkomfort anzugeben.The invention has for its object to provide a circuit breaker with improved ease of use.

Die Aufgabe wird gemäß der Erfindung gelöst durch einen elektrischen Schutzschalter mit den Merkmalen des Patentanspruchs 1. Danach ist vorgesehen, dass das Bedienelement als ein berührungssensitives Bedientableau ausgebildet ist, welches in das Gehäuse des Schutzschalters integriert ist. Das auch als "Touchpanel" oder "Touchscreen" bezeichnete Bedientableau ist somit Bestandteil des Schutzschalters. Unter berührungssensitives Bedientableau wird eine Bedieneinheit verstanden, bei der auf einem Tastschirm oder Sensorbildschirm ein Schaltelement elektronisch angezeigt wird, wobei bei einem Berühren des Schirms im Bereich des dargestellten Schaltelements ein Bedienbefehl generiert wird. Das Bedientableau weist hierbei keine beweglichen Schaltelement-Teile auf.The object is achieved according to the invention by an electrical circuit breaker with the features of claim 1. Thereafter, it is provided that the operating element is designed as a touch-sensitive control panel, which is integrated in the housing of the circuit breaker. The control panel, also referred to as "touch panel" or "touch screen", is thus part of the circuit breaker. Under touch-sensitive control panel is an operating unit understood in the on a touch screen or touch screen, a switching element is displayed electronically, wherein upon touching the screen in the region of the switching element shown an operating command is generated. The control panel has no moving switching element parts.

Durch die Verwendung eines derartigen Touchpanels ist zum einen der Bedienkomfort erhöht, da beispielsweise zum Zurücksetzen des Schutzschalters nach einem Auslösen bei einem Fehlerfall lediglich ein Berühren des Touchpanels erforderlich ist. Zugleich ist durch die Integration des Bedientableaus in den Schutzschalter die Möglichkeit eines erhöhten Funktionsumfangs eröffnet. Insbesondere besteht die Möglichkeit, über das Bedientableau ein mehrfunktionales Bedienmenü bereit zu stellen, so dass insgesamt das als Bedientableau ausgebildete Bedienelement multifunktional ausgebildet sein kann. Schließlich ist im Vergleich zu einem mechanischen Kippschalter oder Taster die mechanische Konstruktion einfacher und die mechanische Störanfälligkeit geringer.The use of such a touch panel on the one hand increases the ease of use, since only a touch of the touch panel is required, for example, to reset the circuit breaker after tripping in the event of an error. At the same time, the possibility of increased functionality is opened up by the integration of the control panel in the circuit breaker. In particular, it is possible to provide a multifunctional operating menu via the control panel, so that overall the operating panel designed as a control panel can be multifunctional. Finally, in comparison to a mechanical toggle switch or pushbutton, the mechanical construction is simpler and the mechanical susceptibility is lower.

Gemäß einer zweckdienlichen Weiterbildung ist das Bedientableau zugleich auch als Anzeigeelement zur Anzeige einer aktuellen Statusinformation des Schutzschalters ausgebildet. Insbesondere wird über das Bedientableau daher angezeigt, ob der Schutzschalter im Nachgang zu einem Fehlerfall ausgelöst hat und sich in der "Aus"Position befindet oder ob er sich in der normalen Betriebsposition "Ein" befindet. Durch die Multifunktionalität des auch als Anzeigeelement fungierenden Bedientableaus können auch hier die unterschiedlichsten Informationen angezeigt oder über ein Menü abrufbar angezeigt werden.According to an expedient development, the control panel is also designed as a display element for displaying a current status information of the circuit breaker. In particular, it is therefore displayed on the control panel, if the circuit breaker has triggered in the wake of an error and is in the "off" position or if it is in the normal operating position "on". As a result of the multifunctionality of the control panel, which also functions as a display element, the most varied information can also be displayed here or displayed via a menu.

Um eine einfache Zugänglichkeit zu erreichen, ist das Bedientableau gemäß einer zweckdienlichen Ausgestaltung in die Frontseite des Gehäuses integriert und bildet insbesondere einen Großteil der Frontseite, um eine möglichst große Fläche für das Bedientableau zur Verfügung zu haben.In order to achieve easy access, the control panel is integrated according to an expedient embodiment in the front of the housing and in particular forms a major part of the front to have the largest possible area for the control panel available.

Bevorzugt ist das Bedientableau mit einer Steuereinrichtung verbunden, welche zur Abgabe eines Steuersignals ausgebildet ist, wobei das Steuersignal eine Betätigung des Schaltelements in Abhängigkeit der Bedienung des Bedientableaus nach sich zieht. Die Steuereinrichtung setzt daher die über das Touchpanel eingegebenen Bedienbefehle in entsprechende Steuerbefehle oder Steuersignale um. Gleichzeitig steuert die Steuereinrichtung auch die am Bedientableau angezeigten Informationen, wie beispielsweise Statusinformationen über den Zustand des Schutzschalters. Bevorzugt ist dabei die Steuereinrichtung auch mit einem Speicher versehen, welcher informationen enthält, beispielsweise über bestehende Konfigurationszustände des Schutzschalters oder auch über die Historie, beispielsweise Informationen, zu welchem Zeitpunkt der Schutzschalter ausgelöst hat, etc. Diese Informationen sind bevorzugt auslesbar oder am Bedientableau anzeigbar und können somit auch im Nachgang zu einem Fehlerfall für eine Fehlerdiagnose herangezogen werden, beispielsweise zur Auswertung, wann der Fehler aufgetreten ist.Preferably, the control panel is connected to a control device, which is designed to deliver a control signal, wherein the control signal pulls an actuation of the switching element in response to the operation of the control panel by itself. The control device therefore converts the operating commands entered via the touch panel into corresponding control commands or control signals. At the same time, the control device also controls the information displayed on the control panel, such as status information about the state of the circuit breaker. Preferably, the control device is also provided with a memory, which information contains, for example, on existing configuration states of the circuit breaker or on the history, for example, information at what time the circuit breaker has triggered, etc. This information is preferably readable or displayed on the control panel and can thus be used in the wake of an error case for a fault diagnosis For example, to evaluate when the error occurred.

Gemäß einer zweckdienlichen Weiterbildung ist der Schutzschalter weiterhin über das Bedientableau konfigurierbar. Es werden beispielsweise über das Bedientableau Auslöseschwellwerte eingestellt.According to an expedient development of the circuit breaker is still configurable via the control panel. For example, tripping thresholds are set via the control panel.

Gemäß einer bevorzugten Ausgestaltung ist das Schaltelement ein elektronisches Schaltelement, wie intelligente Leistungshalbleiter oder Halbleiter-Schaltelemente wie FET- oder MOS-Bauelemente. Das Bedientableau ist hierbei über die Steuereinrichtung mit dem Schaltelement zu dessen Betätigung verbunden. Die Integration des Touchpanels in einen elektronischen Schutzschalter mit einem derartigen elektronischen Schaltelement ist von besonderem Vorteil, da für die Betätigung des Schaltelements elektrische Steuersignale ausreichen, die in einfacher Weise von der Steuereinrichtung direkt erzeugt werden.According to a preferred embodiment, the switching element is an electronic switching element, such as intelligent power semiconductors or semiconductor switching elements such as FET or MOS devices. The control panel is in this case connected via the control device with the switching element for its actuation. The integration of the touch panel in an electronic circuit breaker with such an electronic switching element is particularly advantageous because sufficient for the actuation of the switching element electrical control signals that are generated directly from the control device in a simple manner.

Alternativ zu dieser Ausbildung mit dem elektronischen Schaltelement weist das Schaltelement ein mechanisch betätigbares Schaltglied auf, wobei zur Betätigung des Schaltglieds ein Aktuator vorgesehen ist, der mit Hilfe des Steuersignals aktiviert wird. Ein derartiger Aktuator ist beispielsweise ein elektromotorischer Antrieb, mit dem das mechanische Schaltglied in die normale Betriebsposition "Ein" bringbar ist. Alternativ zu einem elektromotorischen Antrieb kann auch ein magnetisch wirkender Aktuator vorgesehen sein.As an alternative to this embodiment with the electronic switching element, the switching element has a mechanically operable switching element, wherein an actuator is provided for actuating the switching element, which is activated by means of the control signal. Such an actuator is for example an electric motor drive, with which the mechanical switching element in the normal operating position "on" can be brought. As an alternative to an electric motor drive, a magnetically acting actuator can also be provided.

Ausführungsbeispiele der Erfindung werden im Folgenden anhand der Zeichnung näher erläutert. Es zeigen jeweils in schematischen und stark vereinfachten Darstellungen:

Fig. 1
ein stark vereinfachtes Blockschaltbild eines elektronischen Schutzschalters mit einem berührungssensitiven Bedientableau und
Fig. 2
eine stark vereinfachte Blockbilddarstellung eines mechanischen Schutzschalters mit einem berührungssensitiven Bedientableau.
Embodiments of the invention will be explained in more detail below with reference to the drawing. In each case, in schematic and greatly simplified representations:
Fig. 1
a highly simplified block diagram of an electronic circuit breaker with a touch-sensitive control panel and
Fig. 2
a simplified block diagram of a mechanical circuit breaker with a touch-sensitive control panel.

In den Figuren sind gleich wirkende Teile mit den gleichen Bezugszeichen versehen.In the figures, like-acting parts are provided with the same reference numerals.

Der in den Figuren lediglich stark vereinfachte skizzierte Schutzschalter 2 ist in einem Laststromkreis 4 geschalten. Im Laststromkreis 4 sind eine Spannungsquelle 6 zur Bereitstellung einer Betriebsspannung U sowie eine Last 8, beispielsweise eine Maschine in einer Produktionsstraße, ein Motor oder ein sonstiger elektrischer Verbraucher, angeordnet. Die Last 8 ist über eine Leitung 10 mit der Betriebsspannung verbunden. Im Ausführungsbeispiel ist lediglich eine einpolige Verbindung der Last 8 mit der Spannungsquelle 6 dargestellt. Prinzipiell kann die Last 8 auch mehrpolig mit der Spannungsquelle 6 verbunden sein. Bei einer mehrpoligen Versorgung wird üblicherweise jeder Strang der Leitung 10 über jeweils einen Schutzschalter 2 oder eine Schutzschaltereinrichtung überwacht.The sketched in the figures only greatly simplified sketched circuit breaker 2 is connected in a load circuit 4. In the load circuit 4, a voltage source 6 for providing an operating voltage U and a load 8, for example, a machine in a production line, a motor or other electrical consumer, arranged. The load 8 is connected via a line 10 to the operating voltage. In the exemplary embodiment, only a single-pole connection of the load 8 with the voltage source 6 is shown. In principle, the load 8 can also be connected in multiple poles to the voltage source 6. In a multi-pole supply usually each strand of the line 10 is monitored via a respective circuit breaker 2 or a protective switch device.

Der Schutzschalter 2 schützt die Leitung 10 sowie die Last 8 gegen einen Überlaststrom oder gegen einen Kurzschlussstrom.The circuit breaker 2 protects the line 10 and the load 8 against an overload current or against a short-circuit current.

Zur Ausübung des Überstromschutzes weist der Schutzschalter eine hier im Einzelnen nicht näher dargestellte Überstromschutzschaltung auf.To exercise the overcurrent protection, the circuit breaker on a not detailed here in detail overcurrent protection circuit.

Wird der vorgegebene Nennstrom überschritten, so trennt ein Schaltelement 12 des Schutzschalters die Last 8 vom Laststromkreis 4. Im Falle des in Fig. 1 dargestellten Schutzschalters 2 ist das Schaltelement als ein elektronisches Schaltelement ausgebildet, beispielsweise als ein Leistungshalbleiter, ein FET- oder MOS-Halbleiterbauteil oder dergleichen. Im Ausführungsbeispiel der Fig. 2 umfasst das Schaltelement 12 ein mechanisch betätigbares Schaltglied 14. Das Schaltglied 14 ist als ein thermisch, thermisch-magnetischer oder ähnlicher Schutzschalter ausgebildet. Auch ein reiner Schaltkontakt ist möglich, wenn der Strom erfasst wird und über die Steuereinrichtung 22 ein Auslösesignal zum Betätigen des Schaltglieds 14 erzeugt wirdIf the predetermined rated current is exceeded, then a switching element 12 of the circuit breaker separates the load 8 from the load circuit 4. In the case of in Fig. 1 illustrated circuit breaker 2, the switching element is formed as an electronic switching element, for example as a power semiconductor, a FET or MOS semiconductor device or the like. In the embodiment of Fig. 2 the switching element 12 comprises a mechanically operable switching element 14. The switching element 14 is designed as a thermal, thermal-magnetic or similar circuit breaker. Also a pure switching contact is possible when the current is detected and via the control device 22, a trigger signal for actuating the switching element 14 is generated

Der Schutzschalter 2 weist ein in den Figuren gestrichelt dargestelltes Gehäuse 16 auf. In dessen Frontseite 18 ist ein berührungssensitives Bedientableau 20, allgemein auch als Touchpanel bezeichnet, integriert. Das Bedientableau 20 ist mit einer Steuereinrichtung 22 verbunden. Diese ist wiederum im Ausführungsbeispiel der Fig. 1 mit dem elektronischen Schaltelement 12 und im Ausführungsbeispiel der Fig. 2 mit einem Aktuator 24 verbunden. Der Aktuator 24 wirkt über ein Stellglied 26 auf das Schaltglied 14 ein.The circuit breaker 2 has a housing 16 shown in dashed lines in the figures. In the front side 18 is a touch-sensitive control panel 20, also commonly referred to as a touch panel integrated. The control panel 20 is connected to a control device 22. This is again in the embodiment of Fig. 1 with the electronic switching element 12 and in the embodiment of Fig. 2 connected to an actuator 24. The actuator 24 acts on the switching element 14 via an actuator 26.

Im Betrieb werden von der Steuereinrichtung 22 an das Bedientableau 20 Statussignale S1 übermittelt. In der Gegenrichtung werden von dem Bedientableau 20 an die Steuereinrichtung 22 Kontroll- oder Steuersignale C1 übermittelt. In Abhängigkeit der Kontrollsignal C1 gibt die Steuereinrichtung 22 Kontrollsignale C2 an das elektronische Schaltelement 12 bzw. an den Aktuator 24 weiter. Diese übermitteln wiederum Statussignale S2 an die Steuereinrichtung 22.In operation, 20 status signals S1 are transmitted from the controller 22 to the control panel. In the opposite direction 22 control or control signals C1 are transmitted from the control panel 20 to the control device. Depending on the control signal C1, the control device 22 transmits control signals C2 to the electronic switching element 12 or to the actuator 24. These in turn transmit status signals S2 to the control device 22.

Im Betrieb überwacht der Schutzschalter 2 den Laststromkreis 8 auf Überstrom. Der aktuelle Status des Schaltelements 12 wird als Statussignal S2 an die Steuereinrichtung 22 und von dieser als Statussignal S1 weiter an das Bedientableau 20 übermittelt, welches zugleich auch als Anzeigeelement ausgebildet ist, und den aktuellen Status anzeigt.In operation, the circuit breaker 2 monitors the load circuit 8 for overcurrent. The current status of the switching element 12 is transmitted as a status signal S2 to the control device 22 and from this as a status signal S1 on to the control panel 20, which is also designed as a display element, and displays the current status.

Wird ein Überstrom erfasst, so löst der Schutzschalter 2 aus und das Schaltelement 12 trennt die Last 8 vom Laststromkreis 4, wie dies beispielsweise in Fig. 2 dargestellt ist. Der veränderte Status wird auf dem Bedientableau 20 dargestellt. Sobald der den Überstrom verursachende Fehler wieder behoben ist, muss das Schaltelement 12 wieder in die übliche Betriebsposition gebracht werden. Dies geschieht durch ein manuelles Betätigen, indem eine berührungssensitive Fläche des Bedientableaus 20 durch ein Berühren betätigt und das Kontrollsignal C1 veranlasst wird. Dieses wird in der Steuereinrichtung 22 zum Kontrollsignal C2 umgesetzt, so dass das Schalten des Schaltelements 12 in die Ausgangsposition veranlasst wird. Im Falle des elektronischen Schalteiements 12 wird das Schalten unmittelbar durch das Kontrollsignal C2 hervorgerufen, welches also ein Steuersignal zur direkten Ansteuerung des elektronischen Bauelements ist. Im Ausführungsbeispiel der Fig. 2 wird durch das Kontrollsignal C2 der Aktuator 24 und über diesen mittelbar das Stellglied 26 angesteuert.If an overcurrent detected, so triggers the circuit breaker 2 and the switching element 12 separates the load 8 from the load circuit 4, as for example in Fig. 2 is shown. The changed status is displayed on the control panel 20. Once the overcurrent causing error is resolved, the switching element 12 must be returned to the usual operating position. This is done by a manual operation by a touch-sensitive surface of the control panel 20 is actuated by a touch and the control signal C1 is caused. This is converted in the control device 22 to the control signal C2, so that the switching of the switching element 12 is caused to the home position. In the case of the electronic circuit 12, the switching is caused directly by the control signal C2, which is thus a control signal for direct control of the electronic component. In the embodiment of Fig. 2 is controlled by the control signal C2 of the actuator 24 and indirectly via this actuator 26.

Das Bedientableau 20 überdeckt bevorzugt die gesamte oder nahezu die gesamte Fläche der Frontseite 18, um eine möglichst große Bedien- und Anzeigefläche bereit zu stellen. Bei einer mechanischen oder auch elektronischen Kopplung mehrerer Schutzschalter 2, die beispielsweise auf einer Hutschiene nebeneinander angeordnet sind und die jeweils zum Schalten einer Ader einer mehrpoligen Leitung vorgesehen sind, ist bevorzugt lediglich ein Bedientableau für die mehreren Schutzschalter 2 vorgesehen. Die jeweiligen Schaltelemente 12 der mehreren Schutzschalter 2 werden gemeinsam über das Bedientableau 20 betätigt. Auch werden die Statusinformationen auf dem Bedientableau 20 gemeinsam angezeigt.The control panel 20 preferably covers the entire or almost the entire surface of the front side 18 in order to provide the largest possible operating and display area. In a mechanical or electronic coupling of a plurality of circuit breaker 2, which are arranged side by side, for example, on a top hat rail and which are each provided for switching a wire of a multipolar line, only one control panel for the plurality of circuit breaker 2 is preferably provided. The respective switching elements 12 of the plurality of circuit breaker 2 are operated together via the control panel 20. Also, the status information is displayed on the control panel 20 together.

Durch die Integration des Bedientableaus 20 in das Gehäuse 16 in Verbindung mit der Steuereinrichtung 22 ist ein deutlicher Mehrwert für den Nutzer geschaffen. Neben den herkömmlichen mechanischen Bedienelementen wie z. B. Schaltwippen bietet nämlich die Verwendung des Bedientableaus 20 die Möglichkeit der Integration mehrerer Funktionen. Hervorzuheben ist hierbei insbesondere die Anzeigefunktionalität, die den Nutzer insbesondere über den aktuellen Status des Schutzschalters 2 informiert. Von besonderem Vorteil ist die Variabilität des Bedientableaus 20. Prinzipiell ist über die Steuereinrichtung 20 nämlich eine weitgehend freie Steuerbarkeit des Bedientableaus 22 gegeben. Es besteht somit die Möglichkeit, sowohl vielschichtige Informationen anzuzeigen als auch vielschichtige Bedieneingaben zu ermöglichen. So wird beispielsweise bei dem elektronischen Schutzschalter 2 gemäß Fig. 2 über das Bedientableau 20 eine Konfiguration und Einstellmöglichkeit des Schutzschalters 2 vorgesehen. Über das Bedientableau 20 lassen sich daher vorzugsweise die Nennströme auswählen, ab denen der Schutzschalter 2 auslösen soll. In bevorzugten weiteren Varianten werden zudem Informationen über den Zustand des Schutzschalters 2 zumindest temporär abgespeichert, um somit beispielsweise zu Diagnosezwecken abgerufen werden zu können. Beispielsweise umfasst die Steuereinrichtung 22 einen Speicher, in dem Informationen über den Zeitpunkt des Auslösens des Schutzschalters 2 hinterlegt sind.The integration of the operating panel 20 into the housing 16 in conjunction with the control device 22 creates a clear added value for the user. In addition to the conventional mechanical controls such. B. paddles offers namely the use of the control panel 20, the possibility of integrating multiple functions. Of particular note here is the display functionality, which informs the user in particular about the current status of the circuit breaker 2. Of particular advantage is the variability of the control panel 20. In principle, a largely free controllability of the control panel 22 is given by the control device 20 namely. Thus, it is possible to display both complex information and to enable multi-layered operator input. For example, in the electronic circuit breaker 2 according to Fig. 2 via the control panel 20 a configuration and adjustment of the circuit breaker 2 is provided. On the control panel 20 can therefore preferably select the rated currents, from which the circuit breaker 2 is to trigger. In preferred further variants, information about the state of the circuit breaker 2 is also stored at least temporarily so that it can be called up for diagnostic purposes, for example. For example, the control device 22 includes a memory in which information about the time of triggering of the circuit breaker 2 are stored.

Insgesamt ist daher mit der Integration des Bedientableaus 20 in das Gehäuse 16 ein hoher Bedienkomfort mit hohem Nutzwert erreicht.Overall, therefore, with the integration of the control panel 20 in the housing 16 a high ease of use with high utility value is achieved.

Die Integration des Bedientableaus 20 wurde zu Fig. 1 und 2 beispielhaft anhand eines Überstromschutzschalters erläutert. In gleicher Weise lässt sich das Bedientableau 20 auch in andere Arten von Schutzschaltern, beispielsweise Fehlerstromschutzschalter, integrieren.The integration of the control panel 20 has become Fig. 1 and 2 exemplified by an overcurrent circuit breaker. In the same way, the control panel 20 can also be integrated into other types of circuit breakers, such as residual current circuit breakers.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

22
Schutzschalterbreaker
44
Lastkreisload circuit
66
Spannungsquellevoltage source
88th
Lastload
1010
Leitungmanagement
1212
Schaltelementswitching element
1414
Schaltgliedswitching element
1616
Gehäusecasing
1818
Frontseitefront
2020
Bedientableaucontrol panel
2222
Steuereinrichtungcontrol device
2424
Aktuatoractuator
2626
Stellgliedactuator
C1,C2C1, C2
Kontrollsignalcontrol signal
S1,S2S1, S2
Statussignalstatus signal
UU
Betriebsspannungoperating voltage

Claims (8)

  1. Electrical circuit breaker (2), in particular overcurrent circuit breaker, for interrupting an electrical circuit (4), having a housing (16) in the interior of which a tripping mechanism with a switching element (12) is arranged in order to disconnect a supply line (10), an operator control element being provided in order to manually switch the switching element (12), specifically in order to reset the switching element (12) after it has been tripped, the circuit breaker (2) being designed to be arranged on a top-hat rail and as a single-pole circuit breaker (2), and in which circuit breaker only one line core, which can be disconnected by means of the switching element (12), is connected to the housing (16) during operation, characterized in that a touch-sensitive operator control panel (20) is integrated in the housing (16), in which the switching element (12) is also arranged, as the operator control element by means of which the switching element can be manually switched.
  2. Circuit breaker (2) according to Claim 1, in which the operator control panel (20) is integrated in a front face (18) of the housing (16), and furthermore the supply line (10) is connected to the housing (16).
  3. Circuit breaker (2) according to Claim 2, in which the operator control panel (20) forms a large part of the front face (18).
  4. Circuit breaker (2) according to one of the preceding claims, in which the operator control panel (20) is simultaneously in the form of a display element for displaying up-to-date status information.
  5. Circuit breaker (2) according to one of the preceding claims, in which the operator control panel (20) is connected to a control device (22) which is designed to emit a control signal (C2) in order to operate the switching element (12) as a function of operation of the operator control panel (20).
  6. Circuit breaker (2) according to one of the preceding claims, which circuit breaker can be configured by means of the operator control panel (20).
  7. Circuit breaker (2) according to one of the preceding claims, in which the switching element (12) is an electronic switching element and is connected to the operator control panel (20) in order to transmit a control signal (C1, C2).
  8. Circuit breaker (2) according to one of Claims 1 to 6, in which the switching element (12) has a mechanically operated switching member (14) and an actuator (24), which can be activated by means of the operator control panel (20), is provided in order to operate the switching member (14).
EP06724660.3A 2006-04-29 2006-04-29 Electrical circuit breaker Active EP2013892B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06724660T PL2013892T3 (en) 2006-04-29 2006-04-29 Electrical circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/004047 WO2007124775A1 (en) 2006-04-29 2006-04-29 Electrical circuit breaker

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EP2013892A1 EP2013892A1 (en) 2009-01-14
EP2013892B1 true EP2013892B1 (en) 2014-06-11

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US (1) US20090050455A1 (en)
EP (1) EP2013892B1 (en)
CN (1) CN101375361A (en)
CA (1) CA2645209A1 (en)
DE (1) DE202006020498U1 (en)
PL (1) PL2013892T3 (en)
WO (1) WO2007124775A1 (en)

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CN101375361A (en) 2009-02-25
PL2013892T3 (en) 2014-11-28
DE202006020498U1 (en) 2008-09-25
EP2013892A1 (en) 2009-01-14
WO2007124775A1 (en) 2007-11-08
US20090050455A1 (en) 2009-02-26
CA2645209A1 (en) 2007-11-08

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