EP2257960A1 - Magnetic chamber for electromagnetic low voltage switchgear, and electromagnetic low voltage switchgear - Google Patents

Magnetic chamber for electromagnetic low voltage switchgear, and electromagnetic low voltage switchgear

Info

Publication number
EP2257960A1
EP2257960A1 EP09729029A EP09729029A EP2257960A1 EP 2257960 A1 EP2257960 A1 EP 2257960A1 EP 09729029 A EP09729029 A EP 09729029A EP 09729029 A EP09729029 A EP 09729029A EP 2257960 A1 EP2257960 A1 EP 2257960A1
Authority
EP
European Patent Office
Prior art keywords
magnetic
drives
chamber
mechanical
switching 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.)
Withdrawn
Application number
EP09729029A
Other languages
German (de)
French (fr)
Inventor
Josef Graf
Mathias VÖLZ
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 EP09729029A priority Critical patent/EP2257960A1/en
Publication of EP2257960A1 publication Critical patent/EP2257960A1/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/32—Latching movable parts mechanically
    • H01H50/323—Latching movable parts mechanically for interlocking two or more relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/005—Inversing contactors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H2050/049—Assembling or mounting multiple relays in one common housing

Definitions

  • the present invention relates to a magnetic chamber for a low-voltage electromagnetic switching device, in particular a Kompaktharistarter, which usually has two magnetic drives, each magnetic drive actuates a main slide.
  • the internal circuit is designed so that each magnetic drive is assigned a different motor running direction.
  • the invention relates to a low-voltage electromagnetic switching device, in particular a compact turnaround starter having two magnetic drives, each magnetic drive actuates a main slide.
  • a Wendever- locking is implemented for the load feeders in a single installation outside of the device.
  • Two contactors are wired in parallel and a circuit breaker is connected in series.
  • the lock is realized by additional parts, such as an armature and a bearing, which are mounted between the contactor drives and which act on the contact piece carrier.
  • the lock acts on the armatures of the contactor drives for mutual blocking. That is, the reversing lock for mutual locking of the main drives prevents the simultaneous closing of the main contacts to change the direction of rotation.
  • an electric reversing contactor that has a mechanical locking for the movable anchor parts of the two contactor drives.
  • the electric reversing contactor has a housing in which two cavities are provided, each having a system of switching parts with their own electromechanical control. That is, the Magnetic drive of one system is arranged separately from the magnetic drive of the other system. For each magnetic drive a separate magnetic chamber is provided. Between the two cavities, a movable locking part is provided, which prevents a simultaneous displacement of the movable contact carriers, which are coupled to the movable arm parts, of the two magnetic drives.
  • a disadvantage of such an electrical reversing contactor are the complicated structure of the mechanical locking and the indirect locking of the magnetic drives. Furthermore, such an electrical reversing contactor is relatively large in its outer dimensions, since two separate magnetic chambers are provided in the housing of the electric reversing contactor.
  • the object of the invention is to provide a magnetic chamber for a low-voltage electromagnetic switching device or a low-voltage electromagnetic switching device, which are very simple and compact and which allows a simple mechanical locking of one of two magnetic drives, while the other magnetic drive is operable.
  • a simple and direct mechanical locking of a main slide of a magnetic drive is to be made possible when the other magnetic drive is in operation.
  • the object is achieved by a magnetic chamber for a low-voltage electromagnetic switching device, in particular a Kompaktharistarter having two magnetic drives, each magnetic drive actuates a main spool, wherein the magnetic chamber for receiving both magnetic drives of the electromagnetic low-voltage switching device is formed and one movable held mechanical Wendeverriegelung for alternating mechanical locking of one of the two magnetic drives is arranged in the magnetic chamber, wherein the mechanical lock acts on both main slide solved.
  • a magnetic chamber for a low-voltage electromagnetic switching device in particular a Kompakt Maisstarter having two magnetic drives, each magnetic drive actuates a main spool, wherein the magnetic chamber for receiving both magnetic drives of the electromagnetic low-voltage switching device is formed and one movable held mechanical Wendeverriegelung for alternating mechanical locking of one of the two magnetic drives is arranged in the magnetic chamber, wherein the mechanical lock acts on both main slide solved.
  • the core of the invention is that the movably held mechanical turning lock is arranged directly in the magnet chamber and that the magnet chamber is designed to accommodate both magnet drives.
  • a magnetic chamber allows the direct locking of a magnetic drive arranged in the magnetic chamber, in particular a main slide of a magnetic drive, while the other magnetic drive is released for operation.
  • the movably held mechanical reversible locking locks the one, sometimes the other magnetic drive.
  • the mechanical turning lock is provided directly in the magnetic chamber, which surrounds both the one and the other magnetic drive.
  • the magnetic chamber comprises both magnetic drives
  • a low-voltage electromagnetic switching device in which such a magnetic chamber is provided, can be made very compact.
  • the mechanical Wendeverriegelung can act through such a magnetic chamber directly on one of the main slide one of the magnetic drives, which opens and closes the main contacts of the magnetic drive, ie lock this in its movement.
  • the blocking of a magnetic drive functions in that a part of the mechanical turning lock engages in a main slide of a magnetic drive, thereby preventing a displacement of the main slide.
  • the movably held mechanical turning lock is arranged in the magnet chamber. That is, there is only one common magnetic chamber for both magnetic drives. For locking the magnetic drives, the mechanical turning lock is therefore also provided in the one magnetic chamber.
  • the mechanical Wendeverriegelung advantageously sits between the two magnetic drives.
  • a magnetic chamber in which the mechanical turning lock is formed as a turning anchor held pivotable about an axis, wherein the axis is provided in a wall of the magnetic chamber.
  • the Wendeanker also as
  • Turning designated can be rotated about the axis, so as to block either one or the other magnetic drive.
  • the axis to which the turning armature is attached is preferably arranged in the wall of the magnetic chamber. As a result, the turning armature sits directly on the magnetic drives in order to release or block them. As a result of this integration of the axis or of the turning armature into the wall of the magnet chamber, the magnet chamber and thus the low-voltage electromagnetic switching device in which the magnet chamber is used can be made compact.
  • the magnetic chamber is designed such that it allows the guidance of the respective main slide and the magnetic drives. That is to say, the magnet chamber has, at least in regions, an intermediate wall on whose two walls the two magnet drives, i. the main pushers are guided. At this intermediate wall, the movably held mechanical Wendeverriegelung, in particular the turning armature is arranged.
  • the object is achieved by a low-voltage electromagnetic switching device, in particular by a compact reversing starter, the two has different directions current magnetic drives, wherein each magnetic drive actuates a main slide, and wherein both magnetic drives are arranged in a formed according to the first aspect of the invention, the magnet chamber, wherein the movably held mechanical turning lock depending on their position with a main slide of one of the magnet drives is engaged to fix this, solved.
  • An electromagnetic low-voltage switching device with such a magnetic chamber can be constructed very compact and simple.
  • the mechanical turning lock also works in the event of a power failure. Due to the direct locking of the main slide, any errors in the magnetic drives have no influence on the safety chain. The fact that the mechanical turning lock always blocks one of the main slides in its movement means that it can not happen that both magnetic drives can be operated simultaneously.
  • each main slide of each magnetic drive on its side facing the mechanical turning lock side has a correspondingly pronounced contour, in particular a groove, a recess or a bore, for engaging the mechanical Wendeverriegelung.
  • the mechanical turning lock engages in the contour, for example in the groove, the recess or the bore, of a main slide and thus prevents movement of this main slide.
  • the mechanical turning lock is designed as a turning anchor or turning heart.
  • a turning anchor or a turning heart has an approximately T-shaped form. The ends of the transverse T-
  • the electromagnetic low-voltage switching device has a microcontroller for controlling the drive units of the magnetic drives or the turning lock. That is, the electrical control of the turning lock can be realized by the same microcontroller, which is also designed for the control of both magnetic drives. The control of the reversible locking takes place in particular via the magnetic drives. As a result, hardware can be saved and the low-voltage electromagnetic switching device can be dimensioned small.
  • the magnetic drives are designed as contactor drives.
  • the reversing lock for mutual blocking of the contactor drives prevents the simultaneous closing of the main contacts to change the direction of rotation of the contactor drives.
  • the technical solution is realized by the turning armature or the turning heart, which blocks the main slide of the respective contactor drives to close the contacts. The effect of the turning armature is directly on the main slide, which open and close the main contacts of the respective contactor drives.
  • FIG. 1 shows an exploded view of a magnetic chamber, two magnetic drives and the main slide with the mechanical locking
  • Figure 2 shows a magnetic chamber in which two magnetic drives are arranged, and provided in the magnetic chamber mechanical reversible locking
  • Figure 3 shows two main slide with mechanical reversible locking.
  • a magnetic chamber 1 and two arranged in the magnetic chamber 1 magnetic drives 5, 6 are shown.
  • the magnetic chamber 1 is designed to receive both magnetic drives 5, 6.
  • the first magnetic drive has a first main slide 3, the second magnetic drive 6 a second
  • Main slide 4 on.
  • the two main slides 3, 4 are movably arranged on the respective magnetic drives.
  • the movably held mechanical turning lock 2 here in the form of a turning armature, is arranged within the magnet chamber 1.
  • the turning armature 2 optionally engages in a groove or recess 7, 8 of the one or the other main slide 3, 4 of the magnetic drives 5, 6 a.
  • the turning armature 2 blocks the main slide 4 of the second magnetic drive 6.
  • the main slide 3 of the other magnetic drive 5 is not blocked accordingly.
  • the turning armature 2 is movably mounted about an axis of rotation 9.
  • the axis of rotation 9 passes through an intermediate wall 10, which serves both as a guide of the first magnetic drive 5 and the main slide 3 of the first magnetic drive 5 and as a guide of the second magnetic drive 6 and the main slide 4 of the first magnetic drive 6.
  • the arrows on the main slides 3, 4 indicate the direction of movement of the main slides 3, 4.
  • Fig. 3 the main slide 3, 4 of the two magnetic drives 5, 6 are again shown.
  • the moveable mechanical turn-lock 2, i. the turning anchor sits directly between the main slides 3, 4 and thereby allows a direct blocking of one of the main slide 3, 4, while the other main slide 3, 4 is free in its movement.
  • Such a lock also works in case of power failure. Due to the direct locking on the main slides 3, 4, any errors in the drives have no influence on the safety chain.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

The invention relates to a magnetic chamber for electromagnetic low voltage switchgear, especially a compact reversing starter, comprising two magnetic drives (5, 6) which are each actuated by a main slide (3, 4). The magnetic chamber (1) is designed to receive both magnetic drives (5, 6) of the electromagnetic low voltage switchgear, and a mechanical reversing locking device (2) held in a mobile manner for the alternating mechanical locking of the two magnetic drives (5, 6) is arranged in the magnetic chamber (1), the mechanical locking device (2) acting on the two main slides (3, 4). The invention also relates to an electromagnetic low voltage switchgear, especially a compact reversing starter, comprising two magnetic drives (5, 6) which are each actuated by a main slide (3, 4), both magnetic drives (5, 6) being arranged in a magnetic chamber (1) according to one of the claims 1 to 3. The mechanical reversing locking device (2) held in a mobile manner engages with the main slide (3, 4) of one of the magnetic drives (5, 6), according to the position of the locking device, in order to fix said magnetic drive.

Description

Beschreibungdescription
Magnetkammer für ein elektromagnetisches Niederspannungsschaltgerät sowie elektromagnetisches Niederspannungsschalt- gerätMagnetic chamber for a low-voltage electromagnetic switching device and electromagnetic low-voltage switchgear
Die vorliegende Erfindung betrifft eine Magnetkammer für ein elektromagnetisches Niederspannungsschaltgerät, insbesondere einen Kompaktwendestarter, das in der Regel zwei Magnetan- triebe aufweist, wobei jeder Magnetantrieb einen Hauptschieber betätigt. Die interne Schaltung ist so ausgeführt, dass jedem Magnetantrieb eine unterschiedliche Motorlaufrichtung zugewiesen ist. Ferner betrifft die Erfindung ein elektromagnetisches Niederspannungsschaltgerät, insbesondere einen Kom- paktwendestarter, das zwei Magnetantriebe aufweist, wobei jeder Magnetantrieb einen Hauptschieber betätigt.The present invention relates to a magnetic chamber for a low-voltage electromagnetic switching device, in particular a Kompaktwendestarter, which usually has two magnetic drives, each magnetic drive actuates a main slide. The internal circuit is designed so that each magnetic drive is assigned a different motor running direction. Furthermore, the invention relates to a low-voltage electromagnetic switching device, in particular a compact turnaround starter having two magnetic drives, each magnetic drive actuates a main slide.
Bei derzeitigen elektromechanischen Niederspannungsschaltgeräten, insbesondere der Baugröße SO/SOO, ist eine Wendever- riegelung für die Verbraucherabzweige in Einzelaufstellung außerhalb des Gerätes verwirklicht. Dabei werden zwei Schütze parallel verdrahtet und dazu wird ein Leistungsschalter in Reihe geschaltet. Die Verriegelung wird durch Zusatzteile, beispielsweise einen Anker und ein Lager, realisiert, die zwischen den Schützantrieben montiert werden und die auf die Schaltstückträger wirken. Bei elektrischen Umkehrschützen wirkt die Verriegelung auf die Anker der Schützantriebe für die gegenseitige Blockierung. D.h., die Wendeverriegelung zur gegenseitigen Blockierung der Hauptantriebe verhindert das gleichzeitige Schließen der Hauptkontakte zur Drehrichtungsänderung.In current low-voltage electromechanical switching devices, in particular the size SO / SOO, a Wendever- locking is implemented for the load feeders in a single installation outside of the device. Two contactors are wired in parallel and a circuit breaker is connected in series. The lock is realized by additional parts, such as an armature and a bearing, which are mounted between the contactor drives and which act on the contact piece carrier. In electric reversing contactors, the lock acts on the armatures of the contactor drives for mutual blocking. That is, the reversing lock for mutual locking of the main drives prevents the simultaneous closing of the main contacts to change the direction of rotation.
Aus der DE 691 10 195 T2 ist ein elektrisches Umkehrschütz bekannt, dass eine mechanische Verriegelung für die bewegli- chen Ankerteile der zwei Schützantriebe aufweist. Das elektrische Umkehrschütz weist ein Gehäuse auf, in dem zwei Hohlräume vorgesehen sind, die je ein System von Schaltteilen mit eigener elektromechanischer Steuerung aufweisen. D.h., der Magnetantrieb des einen Systems ist getrennt von dem Magnetantrieb des anderen Systems angeordnet. Für jeden Magnetantrieb ist eine eigene Magnetkammer vorgesehen. Zwischen den beiden Hohlräumen ist ein bewegliches Verriegelungsteil vor- gesehen, dass eine gleichzeitige Verschiebung der beweglichen Kontaktträger, die mit den beweglichen Ankerteilen gekoppelt sind, der beiden Magnetantriebe verhindert.From DE 691 10 195 T2 an electric reversing contactor is known that has a mechanical locking for the movable anchor parts of the two contactor drives. The electric reversing contactor has a housing in which two cavities are provided, each having a system of switching parts with their own electromechanical control. That is, the Magnetic drive of one system is arranged separately from the magnetic drive of the other system. For each magnetic drive a separate magnetic chamber is provided. Between the two cavities, a movable locking part is provided, which prevents a simultaneous displacement of the movable contact carriers, which are coupled to the movable arm parts, of the two magnetic drives.
Nachteilig bei einem derartigen elektrischen Umkehrschütz sind der komplizierte Aufbau der mechanischen Verriegelung sowie die indirekte Verriegelung der Magnetantriebe. Ferner ist ein derartiges elektrisches Umkehrschütz in seinen äußeren Ausmaßen relativ groß, da zwei getrennte Magnetkammern in dem Gehäuse des elektrischen Umkehrschützes vorgesehen sind.A disadvantage of such an electrical reversing contactor are the complicated structure of the mechanical locking and the indirect locking of the magnetic drives. Furthermore, such an electrical reversing contactor is relatively large in its outer dimensions, since two separate magnetic chambers are provided in the housing of the electric reversing contactor.
Die Aufgabe der Erfindung ist es, eine Magnetkammer für ein elektromagnetisches Niederspannungsschaltgerät bzw. ein elektromagnetisches Niederspannungsschaltgerät zu schaffen, die sehr einfach und kompakt aufgebaut sind und die eine ein- fache mechanische Verriegelung eines von zwei Magnetantrieben ermöglicht, während der andere Magnetantrieb betreibbar ist. Insbesondere soll eine einfache und direkte mechanische Verriegelung eines Hauptschiebers eines Magnetantriebes ermöglicht werden, wenn der andere Magnetantrieb in Betrieb ist.The object of the invention is to provide a magnetic chamber for a low-voltage electromagnetic switching device or a low-voltage electromagnetic switching device, which are very simple and compact and which allows a simple mechanical locking of one of two magnetic drives, while the other magnetic drive is operable. In particular, a simple and direct mechanical locking of a main slide of a magnetic drive is to be made possible when the other magnetic drive is in operation.
Diese Aufgaben werden erfindungsgemäß durch eine Magnetkammer für ein elektromagnetisches Niederspannungsschaltgerät mit den Merkmalen gemäß dem unabhängigen Patentanspruch 1 sowie durch ein elektromagnetisches Niederspannungsschaltgerät mit den Merkmalen gemäß dem unabhängigen Patentanspruch 4 gelöst. Weitere Merkmale und Details der Erfindung ergeben sich aus den Unteransprüchen, der Beschreibung sowie den Zeichnungen. Merkmale und Details die im Zusammenhang mit der Magnetkammer für ein elektromagnetisches Niederspannungsschaltgerät be- schrieben sind, gelten dabei selbstverständlich auch im Zusammenhang mit dem elektromagnetischen Niederspannungsschaltgerät und jeweils umgekehrt. Gemäß dem ersten Aspekt der Erfindung wird die Aufgabe durch eine Magnetkammer für ein elektromagnetisches Niederspannungsschaltgerät, insbesondere einen Kompaktwendestarter, das zwei Magnetantriebe aufweist, wobei jeder Magnetantrieb einen Hauptschieber betätigt, bei der die Magnetkammer zur Aufnahme beider Magnetantriebe des elektromagnetischen Niederspannungsschaltgerätes ausgebildet ist und wobei eine beweglich gehaltene mechanische Wendeverriegelung zur abwechselnden mechanischen Verriegelung eines der beiden Magnetantriebe in der Magnetkammer angeordnet ist, wobei die mechanische Verriegelung auf beide Hauptschieber wirkt, gelöst.These objects are achieved by a magnetic chamber for a low-voltage electromagnetic switching device with the features according to independent claim 1 and by a low-voltage electromagnetic switching device having the features according to independent claim 4. Further features and details of the invention will become apparent from the dependent claims, the description and the drawings. Features and details described in connection with the magnetic chamber for a low-voltage electromagnetic switching device, of course, also apply in connection with the electromagnetic low-voltage switching device and in each case vice versa. According to the first aspect of the invention, the object is achieved by a magnetic chamber for a low-voltage electromagnetic switching device, in particular a Kompaktwendestarter having two magnetic drives, each magnetic drive actuates a main spool, wherein the magnetic chamber for receiving both magnetic drives of the electromagnetic low-voltage switching device is formed and one movable held mechanical Wendeverriegelung for alternating mechanical locking of one of the two magnetic drives is arranged in the magnetic chamber, wherein the mechanical lock acts on both main slide solved.
Kern der Erfindung ist, dass die beweglich gehaltene mechanische Wendeverriegelung direkt in der Magnetkammer angeordnet ist und dass die Magnetkammer zur Aufnahme beider Magnetantriebe ausgebildet ist. Eine derartige Magnetkammer ermöglicht die direkte Verriegelung eines in der Magnetkammer angeordneten Magnetantriebes, insbesondere eines Hauptschiebers eines Magnetantriebes, während der andere Magnetantrieb zum Betrieb freigegeben wird. Je nach Bedarf sperrt die beweglich gehaltene mechanische Wendeverriegelung mal den einen, mal den anderen Magnetantrieb. Die mechanische Wendeverriegelung ist direkt in der Magnetkammer vorgesehen, die sowohl den einen als auch den anderen Magnetantrieb umgibt.The core of the invention is that the movably held mechanical turning lock is arranged directly in the magnet chamber and that the magnet chamber is designed to accommodate both magnet drives. Such a magnetic chamber allows the direct locking of a magnetic drive arranged in the magnetic chamber, in particular a main slide of a magnetic drive, while the other magnetic drive is released for operation. Depending on requirements, the movably held mechanical reversible locking locks the one, sometimes the other magnetic drive. The mechanical turning lock is provided directly in the magnetic chamber, which surrounds both the one and the other magnetic drive.
Dadurch, dass die Magnetkammer beide Magnetantriebe umfasst, kann ein elektromagnetisches Niederspannungsschaltgerät, in dem eine derartige Magnetkammer vorgesehen ist, sehr kompakt ausgebildet werden. Die mechanische Wendeverriegelung kann durch eine derartige Magnetkammer direkt auf einen der Hauptschieber eines der Magnetantriebe, der die Hauptkontakte des Magnetantriebes öffnet und schließt, wirken, d.h. diesen in seiner Bewegung sperren. Dabei funktioniert die Blockierung eines Magnetantriebes dadurch, dass ein Teil der mechanischen Wendeverriegelung in einen Hauptschieber eines Magnetantriebes eingreift und dadurch eine Verschiebung des Hauptschiebers verhindert. Bei dem Eingriff der mechanischen Wendeverriegelung in den Hauptschieber eines der Magnetantriebe, ist der Hauptschieber des anderen Magnetantriebes zur Verschiebung frei gegeben.Characterized in that the magnetic chamber comprises both magnetic drives, a low-voltage electromagnetic switching device, in which such a magnetic chamber is provided, can be made very compact. The mechanical Wendeverriegelung can act through such a magnetic chamber directly on one of the main slide one of the magnetic drives, which opens and closes the main contacts of the magnetic drive, ie lock this in its movement. In this case, the blocking of a magnetic drive functions in that a part of the mechanical turning lock engages in a main slide of a magnetic drive, thereby preventing a displacement of the main slide. When the mechanical turning lock engages the main slide of one of the magnetic drives the main slide of the other magnetic drive is released for movement.
Die beweglich gehaltene mechanische Wendeverriegelung ist in der Magnetkammer angeordnet. D.h., es existiert nur eine gemeinsamen Magnetkammer für beide Magnetantriebe. Zum Verriegeln der Magnetantriebe ist die mechanische Wendeverriegelung daher ebenfalls in der einen Magnetkammer vorgesehen. Dabei sitzt die mechanische Wendeverriegelung vorteilhafterweise zwischen den beiden Magnetantrieben.The movably held mechanical turning lock is arranged in the magnet chamber. That is, there is only one common magnetic chamber for both magnetic drives. For locking the magnetic drives, the mechanical turning lock is therefore also provided in the one magnetic chamber. The mechanical Wendeverriegelung advantageously sits between the two magnetic drives.
Bevorzugt ist eine Magnetkammer, bei der die mechanische Wendeverriegelung als ein um eine Achse verschwenkbar gehaltener Wendeanker ausgebildet ist, wobei die Achse in einer Wandung der Magnetkammer vorgesehen ist. Der Wendeanker, auch alsPreferred is a magnetic chamber in which the mechanical turning lock is formed as a turning anchor held pivotable about an axis, wherein the axis is provided in a wall of the magnetic chamber. The Wendeanker, also as
Wendeherz bezeichnet, kann um die Achse gedreht werden, um so wahlweise den einen oder den anderen Magnetantrieb zu blockieren. Die Achse, an der der Wendeanker befestigt ist, ist bevorzugt in der Wandung der Magnetkammer angeordnet. Hier- durch sitzt der Wendeanker direkt an den Magnetantrieben, um diese freizugeben oder zu blockieren. Durch diese Integrierung der Achse bzw. des Wendeankers in die Wandung der Magnetkammer, kann die Magnetkammer und damit das elektromagnetische Niederspannungsschaltgerät, in der die Magnetkammer eingesetzt wird, kompakt aufgebaut werden.Turning designated, can be rotated about the axis, so as to block either one or the other magnetic drive. The axis to which the turning armature is attached is preferably arranged in the wall of the magnetic chamber. As a result, the turning armature sits directly on the magnetic drives in order to release or block them. As a result of this integration of the axis or of the turning armature into the wall of the magnet chamber, the magnet chamber and thus the low-voltage electromagnetic switching device in which the magnet chamber is used can be made compact.
Die Magnetkammer ist dabei derart ausgebildet, dass sie die Führung der jeweiligen Hauptschieber und der Magnetantriebe ermöglicht. D.h., die Magnetkammer weist zumindest bereichs- weise eine Zwischenwand auf, an deren beiden Wänden die beiden Magnetantriebe, d.h. die Hauptschieber, geführt werden. An dieser Zwischenwand ist die beweglich gehaltene mechanische Wendeverriegelung, insbesondere der Wendeanker, angeordnet .The magnetic chamber is designed such that it allows the guidance of the respective main slide and the magnetic drives. That is to say, the magnet chamber has, at least in regions, an intermediate wall on whose two walls the two magnet drives, i. the main pushers are guided. At this intermediate wall, the movably held mechanical Wendeverriegelung, in particular the turning armature is arranged.
Gemäß dem zweiten Aspekt der Erfindung wird die Aufgabe durch ein elektromagnetisches Niederspannungsschaltgerät, insbesondere durch einen Kompaktwendestarter, das/der zwei in unter- schiedliche Richtungen laufende Magnetantriebe aufweist, wobei jeder Magnetantrieb einen Hauptschieber betätigt, und bei dem beide Magnetantriebe in einer gemäß dem ersten Aspekt der Erfindung ausgebildeten Magnetkammer angeordnet sind, wobei die beweglich gehaltene mechanische Wendeverriegelung je nach ihrer Position mit einem Hauptschieber eines der Magnetantriebe in Eingriff steht, um diesen zu fixieren, gelöst.According to the second aspect of the invention, the object is achieved by a low-voltage electromagnetic switching device, in particular by a compact reversing starter, the two has different directions current magnetic drives, wherein each magnetic drive actuates a main slide, and wherein both magnetic drives are arranged in a formed according to the first aspect of the invention, the magnet chamber, wherein the movably held mechanical turning lock depending on their position with a main slide of one of the magnet drives is engaged to fix this, solved.
Ein elektromagnetisches Niederspannungsschaltgerät mit einer derartigen Magnetkammer kann sehr kompakt und einfach aufgebaut sein. Durch die Integrierung der beweglich gehaltenen mechanischen Wendeverriegelung in die Magnetkammer wird eine aufwendige Verdrahtung und Befestigung der elektrischen und mechanischen Verriegelung umgangen. Vorteilhafterweise funk- tioniert die mechanischen Wendeverriegelung auch bei Stromausfall. Durch die direkte Verriegelung der Hauptschieber haben eventuelle Fehler in den Magnetantrieben keinen Einfluss auf die Sicherheitskette. Dadurch, dass die mechanische Wendeverriegelung immer einen der Hauptschieber in seiner Bewe- gung blockiert, kann es nicht dazu kommen, dass beide Magnetantriebe gleichzeitig betrieben werden können.An electromagnetic low-voltage switching device with such a magnetic chamber can be constructed very compact and simple. By integrating the movably held mechanical turning lock into the magnetic chamber, a complex wiring and fastening of the electrical and mechanical locking is avoided. Advantageously, the mechanical turning lock also works in the event of a power failure. Due to the direct locking of the main slide, any errors in the magnetic drives have no influence on the safety chain. The fact that the mechanical turning lock always blocks one of the main slides in its movement means that it can not happen that both magnetic drives can be operated simultaneously.
Besonders bevorzugt ist ein elektromagnetisches Niederspannungsschaltgerät, bei dem jeder Hauptschieber eines jeden Magnetantriebes an seiner zur mechanischen Wendeverriegelung zugewandten Seite eine entsprechend ausgeprägte Kontur, insbesondere eine Nut, eine Vertiefung oder eine Bohrung, zum Eingriff der mechanischen Wendeverriegelung aufweist. Die mechanische Wendeverriegelung greift dabei in die Kontur, bei- spielsweise in die Nut, die Vertiefung oder die Bohrung, eines Hauptschiebers ein und verhindert so eine Bewegung dieses Hauptschiebers. Besonders vorteilhaft ist es, wenn die mechanische Wendeverriegelung als Wendeanker bzw. Wendeherz ausgebildet ist. Ein Wendeanker bzw. ein Wendeherz hat eine annä- hernd T-förmige Gestalt. Die Enden des quer angeordneten T-Particularly preferred is a low-voltage electromagnetic switching device, in which each main slide of each magnetic drive on its side facing the mechanical turning lock side has a correspondingly pronounced contour, in particular a groove, a recess or a bore, for engaging the mechanical Wendeverriegelung. The mechanical turning lock engages in the contour, for example in the groove, the recess or the bore, of a main slide and thus prevents movement of this main slide. It is particularly advantageous if the mechanical turning lock is designed as a turning anchor or turning heart. A turning anchor or a turning heart has an approximately T-shaped form. The ends of the transverse T-
Balkens greifen in die entsprechend ausgeprägten Konturen der jeweiligen Hauptschieber ein. Vorzugsweise weist das elektromagnetische Niederspannungsschaltgerät einen Mikrokontroller zur Ansteuerung der Antriebseinheiten der Magnetantriebe bzw. der Wendeverriegelung auf. D.h., die elektrische Ansteuerung der Wendeverriegelung kann durch den gleichen Mikrokontroller realisiert werden, der auch für die Ansteuerung beider Magnetantriebe ausgebildet ist. Die Ansteuerung der Wendeverriegelung erfolgt insbesondere über die Magnetantriebe. Hierdurch kann wiederum Hardware eingespart werden und das elektromagnetische Nieder- spannungsschaltgerät klein dimensioniert werden.Beams engage in the correspondingly pronounced contours of the respective main slide. Preferably, the electromagnetic low-voltage switching device has a microcontroller for controlling the drive units of the magnetic drives or the turning lock. That is, the electrical control of the turning lock can be realized by the same microcontroller, which is also designed for the control of both magnetic drives. The control of the reversible locking takes place in particular via the magnetic drives. As a result, hardware can be saved and the low-voltage electromagnetic switching device can be dimensioned small.
Des Weiteren ist ein elektromagnetisches Niederspannungsschaltgerät bevorzugt, bei dem die Magnetantriebe als Schützantriebe ausgebildet sind. Die Wendeverriegelung zur gegen- seitigen Blockierung der Schützantriebe verhindert die gleichzeitige Schließung der Hauptkontakte zur Drehrichtungsänderung der Schützantriebe. Die technische Lösung ist durch den Wendeanker bzw. das Wendeherz realisiert, der/das die Hauptschieber der jeweiligen Schützantriebe zur Schließung der Kontakte blockiert. Die Wirkung des Wendeankers ist direkt auf die Hauptschieber, die die Hauptkontakte der jeweiligen Schützantriebe öffnen und schließen.Furthermore, a low-voltage electromagnetic switching device is preferred in which the magnetic drives are designed as contactor drives. The reversing lock for mutual blocking of the contactor drives prevents the simultaneous closing of the main contacts to change the direction of rotation of the contactor drives. The technical solution is realized by the turning armature or the turning heart, which blocks the main slide of the respective contactor drives to close the contacts. The effect of the turning armature is directly on the main slide, which open and close the main contacts of the respective contactor drives.
Die Erfindung wird nun anhand von nicht ausschließlichen Aus- führungsbeispielen, unter Bezugnahme auf die beiliegenden Zeichnungen, näher erläutert. Es zeigen:The invention will now be explained in more detail by way of non-exclusive exemplary embodiments, with reference to the accompanying drawings. Show it:
Figur 1 eine Explosionsdarstellung einer Magnetkammer, zwei Magnetantriebe und die Hauptschieber mit der mecha- nischen Verriegelung;1 shows an exploded view of a magnetic chamber, two magnetic drives and the main slide with the mechanical locking;
Figur 2 eine Magnetkammer, in der zwei Magnetantriebe angeordnet sind, sowie ein in der Magnetkammer vorgesehenen mechanischen Wendeverriegelung;Figure 2 shows a magnetic chamber in which two magnetic drives are arranged, and provided in the magnetic chamber mechanical reversible locking;
Figur 3 zwei Hauptschieber mit mechanischer Wendeverriegelung. In der Fig. 1 sind eine Magnetkammer 1 und zwei in der Magnetkammer 1 angeordnete Magnetantriebe 5, 6 dargestellt. Die Magnetkammer 1 ist zur Aufnahme beider Magnetantriebe 5, 6 ausgebildet. Der erste Magnetantrieb weist einen ersten Hauptschieber 3, der zweite Magnetantrieb 6 eine zweitenFigure 3 shows two main slide with mechanical reversible locking. In Fig. 1, a magnetic chamber 1 and two arranged in the magnetic chamber 1 magnetic drives 5, 6 are shown. The magnetic chamber 1 is designed to receive both magnetic drives 5, 6. The first magnetic drive has a first main slide 3, the second magnetic drive 6 a second
Hauptschieber 4 auf. Die beiden Hauptschieber 3, 4 sind beweglich an den jeweiligen Magnetantrieben angeordnet.Main slide 4 on. The two main slides 3, 4 are movably arranged on the respective magnetic drives.
Fig. 2 zeigt eine Magnetkammer 1, in der die beiden Magnetan- triebe 5, 6 aufgenommen sind. Zwischen den Magnetantrieben 5, 6 ist innerhalb der Magnetkammer 1 die beweglich gehaltene mechanische Wendeverriegelung 2, hier in Form eines Wendeankers, angeordnet. Dabei greift der Wendeanker 2 wahlweise in eine Nut bzw. Vertiefung 7, 8 des einen oder des andern Hauptschiebers 3, 4 der Magnetantriebe 5, 6 ein. In dieser Darstellung blockiert der Wendeanker 2 den Hauptschieber 4 des zweiten Magnetantriebes 6. Der Hauptschieber 3 des anderen Magnetantriebes 5 ist entsprechend nicht blockiert. Der Wendeanker 2 ist um eine Drehachse 9 beweglich gelagert. Die Drehachse 9 verläuft durch eine Zwischenwand 10, die sowohl als Führung des ersten Magnetantriebes 5 bzw. des Hauptschiebers 3 des ersten Magnetantriebes 5 sowie als Führung des zweiten Magnetantriebes 6 bzw. des Hauptschiebers 4 des ersten Magnetantriebes 6 dient. Die Pfeile auf den Hauptschie- bern 3, 4 deuten die Bewegungsrichtung der Hauptschieber 3, 4 an .2 shows a magnetic chamber 1 in which the two magnetic drives 5, 6 are accommodated. Between the magnet drives 5, 6, the movably held mechanical turning lock 2, here in the form of a turning armature, is arranged within the magnet chamber 1. The turning armature 2 optionally engages in a groove or recess 7, 8 of the one or the other main slide 3, 4 of the magnetic drives 5, 6 a. In this illustration, the turning armature 2 blocks the main slide 4 of the second magnetic drive 6. The main slide 3 of the other magnetic drive 5 is not blocked accordingly. The turning armature 2 is movably mounted about an axis of rotation 9. The axis of rotation 9 passes through an intermediate wall 10, which serves both as a guide of the first magnetic drive 5 and the main slide 3 of the first magnetic drive 5 and as a guide of the second magnetic drive 6 and the main slide 4 of the first magnetic drive 6. The arrows on the main slides 3, 4 indicate the direction of movement of the main slides 3, 4.
In der Fig. 3 sind nochmals die Hauptschieber 3, 4 der beiden Magnetantriebe 5, 6 dargestellt. Die beweglich gehaltene me- chanische Wendeverriegelung 2, d.h. der Wendeanker, sitzt direkt zwischen den Hauptschiebern 3, 4 und ermöglicht dadurch eine direkte Blockierung eines der Hauptschieber 3, 4, während der andere Hauptschieber 3, 4 in seiner Bewegung frei ist. Eine derartige Verriegelung funktioniert auch bei Strom- ausfall. Durch die direkte Verriegelung an den Hauptschiebern 3, 4 haben eventuelle Fehler in den Antrieben keinen Einfluss auf die Sicherungskette. In Fig. 3, the main slide 3, 4 of the two magnetic drives 5, 6 are again shown. The moveable mechanical turn-lock 2, i. the turning anchor sits directly between the main slides 3, 4 and thereby allows a direct blocking of one of the main slide 3, 4, while the other main slide 3, 4 is free in its movement. Such a lock also works in case of power failure. Due to the direct locking on the main slides 3, 4, any errors in the drives have no influence on the safety chain.

Claims

Patentansprüche claims
1. Magnetkammer für ein elektromagnetisches Niederspannungsschaltgerät, insbesondere einen Kompaktwendestarter, das zwei Magnetantriebe (5, 6) aufweist, wobei jeder Magnetantrieb (5, 6) einen Hauptschieber (3, 4) betätigt, dadurch gekennzeichnet, dass die Magnetkammer (1) zur Aufnahme beider Magnetantriebe (5, 6) des elektromagnetischen Niederspannungsschaltgerätes ausgebildet ist und dass eine beweglich gehaltene me- chanische Wendeverriegelung (2) zur abwechselnden mechanischen Verriegelung eines der beiden Magnetantriebe (5, 6) in der Magnetkammer (1) angeordnet ist, wobei die mechanische Verriegelung (2) auf beide Hauptschieber (3, 4) wirkt.1. A magnetic chamber for a low-voltage electromagnetic switching device, in particular a Kompaktwendestarter comprising two magnetic drives (5, 6), wherein each magnetic drive (5, 6) a main slide (3, 4) actuated, characterized in that the magnetic chamber (1) for receiving both magnetic drives (5, 6) of the electromagnetic low-voltage switching device is formed and that a movably held mechanical Wendeverriegelung (2) for alternately mechanically locking one of the two magnetic drives (5, 6) in the magnetic chamber (1) is arranged, wherein the mechanical interlock (2) acts on both main slides (3, 4).
2. Magnetkammer nach Anspruch 1, dadurch gekennzeichnet, dass die mechanische Wendeverriegelung (2) als ein um eine Achse (9) verschwenkbar gehaltener Wendeanker ausgebildet ist, wobei die Achse (9) in einer Wandung (10) der Magnetkammer (1) vorgesehen ist.2. Magnetic chamber according to claim 1, characterized in that the mechanical Wendeverriegelung (2) is designed as a pivotable about an axis (9) held turning armature, wherein the axis (9) in a wall (10) of the magnetic chamber (1) is provided ,
3. Magnetkammer nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Magnetkammer (1) zur Führung der jeweiligen Hauptschieber (3, 4) und der Magnetantriebe (5, 6) ausgebildet ist.3. Magnetic chamber according to claim 1 or 2, characterized in that the magnetic chamber (1) for guiding the respective main slide (3, 4) and the magnetic drives (5, 6) is formed.
4. Elektromagnetisches Niederspannungsschaltgerät, insbesondere Kompaktwendestarter, das zwei Magnetantriebe (5, 6) aufweist, wobei jeder Magnetantrieb (5, 6) einen Hauptschieber4. Low-voltage electromagnetic switching device, in particular Kompaktwendestarter, the two magnetic drives (5, 6), wherein each magnetic drive (5, 6) has a main slide
(3, 4) betätigt, dadurch gekennzeichnet, dass beide Magnetan- triebe (5, 6) in einer Magnetkammer (1) gemäß eines der Ansprüche 1 bis 3 angeordnet sind, wobei die beweglich gehaltene mechanische Wendeverriegelung (2) je nach ihrer Position mit einem Hauptschieber (3, 4) eines der Magnetantriebe (5, 6) in Eingriff steht, um diesen zu fixieren.(3, 4) actuated, characterized in that both magnetic drives (5, 6) in a magnetic chamber (1) according to one of claims 1 to 3 are arranged, wherein the movably held mechanical turning lock (2) depending on their position with a main slider (3, 4) of one of the magnet drives (5, 6) is engaged to fix this.
5. Elektromagnetisches Niederspannungsschaltgerät nach Anspruch 4, dadurch gekennzeichnet, dass jeder Hauptschieber (3, 4) eines jeden Magnetantriebes (5, 6) an seiner zur me- chanischen Wendeverriegelung (2) zugewandten Seite eine entsprechend ausgeprägte Kontur (7, 8) zum Eingriff der mechanischen Wendeverriegelung (2) aufweist.5. Electromagnetic low-voltage switching device according to claim 4, characterized in that each main slide (3, 4) of each magnetic drive (5, 6) at its for me- has a correspondingly pronounced contour (7, 8) for engaging the mechanical turning lock (2).
6. Elektromagnetisches Niederspannungsschaltgerät nach einem der Ansprüche 4 bis 5, dadurch gekennzeichnet, dass das elektromagnetische Niederspannungsschaltgerät einen Mikrokon- troller zur Ansteuerung der Antriebseinheiten der Magnetantriebe (5, 6) bzw. der Wendeverriegelung (2) aufweist.6. Electromagnetic low-voltage switching device according to one of claims 4 to 5, characterized in that the electromagnetic low-voltage switching device has a microcontroller for controlling the drive units of the magnetic drives (5, 6) or the turning lock (2).
7. Elektromagnetisches Niederspannungsschaltgerät nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, dass die Magnetantriebe (5, 6) als Schützantriebe ausgebildet sind. 7. Low-voltage electromagnetic switching device according to one of claims 4 to 6, characterized in that the magnetic drives (5, 6) are designed as contactor drives.
EP09729029A 2008-04-01 2009-03-11 Magnetic chamber for electromagnetic low voltage switchgear, and electromagnetic low voltage switchgear Withdrawn EP2257960A1 (en)

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EP20080400025 EP2107586A1 (en) 2008-04-01 2008-04-01 Magnetic chamber for an electromagnetic low voltage switching device and electromagnetic low voltage switching device
EP09729029A EP2257960A1 (en) 2008-04-01 2009-03-11 Magnetic chamber for electromagnetic low voltage switchgear, and electromagnetic low voltage switchgear
PCT/EP2009/052828 WO2009121693A1 (en) 2008-04-01 2009-03-11 Magnetic chamber for electromagnetic low voltage switchgear, and electromagnetic low voltage switchgear

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CN103635985B (en) * 2011-08-09 2016-02-03 西门子公司 Modular electrical switch
DE102015110382A1 (en) * 2015-06-29 2016-12-29 Eaton Industries (Austria) Gmbh switchgear

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EP0096387A2 (en) * 1982-06-03 1983-12-21 Ichiemon Shosha Company Ltd. Contactors

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US4760364A (en) * 1986-08-28 1988-07-26 Eaton Corporation Electromagnetic contactor having improved structure and assembly
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