EP1846944B1 - Electromagnetic switch device in particular a contactor - Google Patents

Electromagnetic switch device in particular a contactor Download PDF

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Publication number
EP1846944B1
EP1846944B1 EP05706745A EP05706745A EP1846944B1 EP 1846944 B1 EP1846944 B1 EP 1846944B1 EP 05706745 A EP05706745 A EP 05706745A EP 05706745 A EP05706745 A EP 05706745A EP 1846944 B1 EP1846944 B1 EP 1846944B1
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EP
European Patent Office
Prior art keywords
coil
contactor
terminals
terminal block
connection
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
EP05706745A
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German (de)
French (fr)
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EP1846944A1 (en
Inventor
Johann Drexler
Peter Hartinger
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Siemens AG
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Siemens AG
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Publication of EP1846944A1 publication Critical patent/EP1846944A1/en
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Publication of EP1846944B1 publication Critical patent/EP1846944B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H01H50/443—Connections to coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
    • H01H89/06—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H11/0031—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different types or orientation of connections to contacts
    • H01H2011/0037—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different types or orientation of connections to contacts with removable or replaceable terminal blocks

Definitions

  • the invention relates to an electromagnetic switching device, in particular a contactor.
  • a voltage must be applied to the contactor drive.
  • switching devices are known in which the coil terminals are located under the main conductor terminals. In such switching devices accessibility is made even more difficult due to the even more complex structure when the main conductor is connected. When attaching additional switching devices, such as a circuit breaker and / or an overload relay, the coil terminals in these cases are no longer accessible.
  • the DE 30 17 561 A1 describes an electromagnetic switching device with a number of auxiliary switch terminals and a coil terminal block with at least one coil terminal, wherein the at least one coil terminal is in a plane with an auxiliary switch terminal.
  • An object of the invention is to improve the manageability of coil terminals in an electromagnetic switching device.
  • an electromagnetic switching device with a number of auxiliary switch terminals and a coil terminal block provided with at least one coil terminal, wherein at least one coil terminal of the coil terminal block is in a plane with an auxiliary switch terminal of the switching device. This ensures that the coil terminal can be contacted together with the auxiliary terminals, for example by means of a plug. Through the use of a common connector, the connection and thus the handling of the switching device is much easier.
  • coil terminals irrespective of various structures and connection techniques, can be provided flexibly and in a much more accessible manner compared with the known solutions.
  • Coil terminals can then be universally arranged so that accessibility from above, from below and from the front can be realized without having to provide the coil terminals in several different locations.
  • the handling of such a switching device is significantly improved because a connection from the front is possible.
  • the coil terminal block allows optimal accessibility in any configuration of the switching device to the terminals of the coil terminal and thus prevents wires from being routed through other switching devices.
  • terminals with different connection techniques such as screw terminal, insulation displacement terminal, push-in technology, cage tension spring, etc.
  • the switching device is a contactor in which, for example, the main conductor terminals are screwed, all possible connection variants, including the auxiliary and control conductors, can be plugged.
  • the switching device is prepared for a plug-in connection at auxiliary and control conductors.
  • the switching devices provide different connection techniques at the control terminals, they can be combined with each other by means of the invention. Due to the plug connection, a replacement of the coil terminal block and thus a change in the connection technology in a simple manner possible and can also be performed by the user.
  • the front insertable coil terminal block is provided as the sole coil terminal. Further coil connections in the direction of the upper connection side or in the direction of the lower connection side of the switching device are not provided in other words.
  • the structural design of the switching device is greatly simplified, without the functionality of the switching device suffers.
  • the coil terminal block according to the invention it is also possible to use the coil terminal block according to the invention as a supplement to existing stationary coil terminals. It when the coil terminals are arranged in stages one above the other is particularly advantageous. As a result, different contacting levels can be defined.
  • a coil connection terminal block with coil terminals arranged one above the other in stages can preferably be turned in its connection direction.
  • the coil terminal block is then contacted depending on the arrangement on the switching device both from below and from above.
  • the universal applicability of the coil terminal block according to the invention is further improved.
  • the different connection levels can be aligned upwards or downwards.
  • FIG. 1 shows a known from the prior art contactor 101, which is shown with its rear side 102 down and with its front side 103 upwards.
  • an upper terminal row 105 is provided in the direction of the contactor upper side 104
  • a lower terminal row 107 is provided in the direction of the contactor lower side 106.
  • the two terminal rows 105, 107 each comprise three main current terminals 108, an auxiliary switch terminal 109 and a coil terminal 110.
  • the upper terminal row 105 and the lower terminal row 107 lie in one plane.
  • Main current, auxiliary switch and coil terminal 108, 109, 110 are designed as screw connections.
  • the upper terminal row 105 serves as the input side and the lower terminal row 107 as the outlet side.
  • contactor 111 which is also known from the prior art, are on the same width as the contactor 101 from FIG. 1 has provided instead of five only three ports, so that larger connection cross sections for switching higher currents can be used. Since the main power connections 108 occupy the entire width of the contactor 111, four receptacles 112 for additional auxiliary switches (not shown) are provided on the front side 103 of the contactor 111. However, auxiliary switches can also be clamped laterally to the recesses 113 of the contactor housing provided for this purpose. To connect the coils, two coil terminals 114 are provided on the contactor bottom side 106 as well as on the contactor upper side 104, which are conductively connected to each other diagonally through the contactor housing. Is now such as one Contactor 111 connected at its bottom 106 or its top 104 with another switching device or the like, then individual coil terminals 114 are completely hidden such that either coil input or coil output can not be contacted.
  • FIGS. 3 to 6 show inventive coil terminal blocks 1, 2, 3, 4.
  • the in FIG. 3 shown coil terminal block 1 has two coil terminals 5, 6, which are arranged stepwise in two superimposed connection levels 7, 8.
  • the coil terminal block 1 has two plug contacts 10 in the form of contact pins. These serve for the simultaneous mechanical and electrical plug contacting of the coil terminal block 1 with a contactor according to the invention.
  • the coil terminals 5, 6 can with clamping connections and / or connectors and / or screw ( FIG. 6 ).
  • the arrangement of spring terminals FIG. 5
  • the plug contacts 10 are extended at the bottom 9 of the coil terminal block 2 upwards and protrude as corresponding terminal plug contacts 11 from the top 12 of the coil terminal block 2 ( FIG. 4 ).
  • connection contacts are integrated in a coil terminal block 3, 4.
  • connection contacts are provided on the input side and on the output side ( FIGS. 5 and 6 ).
  • FIGS. 5 and 6 The connection directions are in FIGS. 3 to 6 represented by arrows A.
  • An alternative connection possibility in FIG. 3 shows arrow A '.
  • FIG. 7 an example of a contactor 15 according to the invention is shown.
  • an additional connector receptacle 22 is provided on the front side 21 of the contactor 15 for forming a plug connection.
  • the receptacle 22 in this case has two receiving openings 23 for receiving the plug contacts 10 of a Spulenan gleichklemmenblocks 1, 2, 3, 4 in such a way that at an inserted coil terminal block 1, 2, 3, 4 whose plug contacts 10 in an electrical connection with the coil terminals 24 at the Schützoberseite 25 on the one hand and the contactor base 26 on the other.
  • This connection can be created for example by a sheet metal part 27, a wire or the like from the connector receptacle 22 to the coil.
  • FIG. 8 shows the contactor 15 FIG. 7 with coil terminal block 1.
  • the coil terminal block 1 with its plug contacts 10 and the plug receptacle 22 on the front side 21 of the contactor 15 are designed such that the coil terminal block 1 are used with its higher stage 8 in the direction of the upper terminal row 17 (as shown) can.
  • the coil terminals 5, 6 are accessible from below (arrow A).
  • the coil terminals 5, 6 in the in FIG. 8 to be connected from above (arrow B).
  • the coil terminal block 1 with its higher level 8 also (rotated by 180 °) in the direction of the lower terminal row 19 of the contactor 15 are used. This ensures that the coil terminals 5, 6 are accessible from above (arrow B). Moreover, it is also possible to connect the coil terminals 5, 6 in this type of mounting from below (arrow A). Due to the many connection variants, the coil terminal block offers a multitude of possible applications.
  • the coil terminal block 1 raises at least individual coil terminals 6 in the plane of the terminals 30 of the front auxiliary switch blocks 31 mounted as exemplified in FIG FIG. 9 is shown.
  • the input side upper terminals 30 of the front auxiliary switch blocks 31 can be contacted together with the higher upper terminal plane 8 of the coil terminal block 1 via a common plug (not shown), which facilitates accessibility.
  • FIG. 10 shows a schematic representation of a combination of a circuit breaker 36 and a contactor 15 according to the invention.
  • the contactor 15 is arranged below the circuit breaker 36 and connected thereto.
  • the power switch 36 adjoins the top 25 of the contactor 15.
  • the hand control unit 37 of the circuit breaker 36 is freely accessible and is not covered by lines, a connection of the contactor 15 from below, ie from the direction of its bottom 26 is required.
  • This uses a front auxiliary switch block (not shown) with the terminals down.
  • the coil terminal block 1 is placed on the front side 21 of the contactor 15 so that the terminals 5, 6 point downwards.
  • all the auxiliary lines (not shown) to the contactor 15 are brought from below to this, since the upper input side of the contactor 15 can not be used because of the adjacent circuit breaker 36.
  • the connection direction is shown by arrow A.
  • FIG. 11 is a schematic representation of a combination of a contactor 15 with an overload relay 39 shown.
  • the overload relay 39 is on the mechanical side of the output, that is arranged on the bottom 26 of the contactor 15.
  • the coil connection terminal block 1 is arranged with its lower connection stage 7 in the direction of the contactor upper side 25, that is to say on the input side. From there he will be over a wire (not shown) contacted. In other words, the auxiliary conductor and coil are connected from above.
  • the front auxiliary switch block (not shown) is used with the terminals up. The coil terminal block 1 is thus rotated so that the terminals 5, 6 show upward, so that all auxiliary lines are connected to the contactor 15 from above.
  • the connection direction is shown by arrow A.
  • FIG. 3 shows a schematic representation of a combination of power switch 36, contactor 15 and overload relay 39.
  • the coil terminals are concealed both above and below.
  • the front auxiliary switch block (not shown) is used with the terminals down.
  • the coil terminal block 1 is also rotated so that the terminals 5, 6 point down so that all the auxiliary lines to the contactor 15 are connected from below.
  • the manual control unit 37 of the circuit breaker 36 thus remains free.
  • a simple contactability in this combination is possible at all.
  • the connection direction is shown by arrow A.

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

Abstract

The invention relates to an electromagnetic switch device (15), in particular a contactor. According to the invention, the manipulation of coil connectors for an electromagnetic switch device may be improved with the use of a coil connector clamping block (1, 2, 3, 4) with at least one coil connector clamp (5, 6), whereby the at least one coil connector clamp (5, 6) lies on a plane (8) with an auxiliary switch connection (30).

Description

Die Erfindung betrifft ein elektromagnetisches Schaltgerät, insbesondere ein Schütz.The invention relates to an electromagnetic switching device, in particular a contactor.

Zur Ansteuerung eines Schütz muss an dem Schützantrieb eine Spannung angelegt werden. Hierzu ist es bekannt, mindestens zwei fest am Schützgehäuse angebrachte Spulenanschlussklemmen vorzusehen. Da Schütze auf unterschiedliche Art und Weise mit anderen Schaltgeräten kombiniert werden können, werden diese Spulenanschlussklemmen häufig verdeckt, so dass sie teilweise an anderen Stellen des Schützgehäuses nochmals vorgesehen sind. Insbesondere wenn die Spulenanschlussklemmen neben den Anschlussklemmen für die Hauptstrombahn oder Hilfsstrombahn angeordnet sind, damit der Spulenanschluss von vorne zugänglich ist, ist bei einer Kombination mit anderen Schaltgeräten mindestens eine Spulenanschlussklemme schlechter zugänglich. Neben diesen Geräten, bei denen die Spulenanschlussklemmen in einer Anschlussebene mit den Haupt- und Hilfsleiterklemmen liegen, sind Schaltgeräte bekannt, bei denen die Spulenanschlussklemmen unter den Hauptleiterklemmen angeordnet sind. Bei derartigen Schaltgeräten ist die Zugänglichkeit aufgrund des noch komplexeren Aufbaus nochmals erschwert, wenn der Hauptleiter angeschlossen ist. Bei einem Anbau zusätzlicher Schaltgeräte, beispielsweise eines Leistungsschalters und/oder eines Überlastrelais, sind die Spulenanschlüsse in diesen Fällen überhaupt nicht mehr zugänglich.To control a contactor, a voltage must be applied to the contactor drive. For this purpose, it is known to provide at least two fixed to the contactor housing coil terminals. Since contactors can be combined in different ways with other switching devices, these coil terminals are often covered, so that they are partially provided elsewhere in the contactor housing again. In particular, if the coil terminals are arranged next to the connection terminals for the main current flow or auxiliary current path, so that the coil terminal is accessible from the front, at least one coil terminal is less accessible when combined with other switching devices. In addition to these devices, where the coil terminals are located in a terminal level with the main and auxiliary conductor terminals, switching devices are known in which the coil terminals are located under the main conductor terminals. In such switching devices accessibility is made even more difficult due to the even more complex structure when the main conductor is connected. When attaching additional switching devices, such as a circuit breaker and / or an overload relay, the coil terminals in these cases are no longer accessible.

Die DE 30 17 561 A1 beschreibt ein elektromagnetisches Schaltgerät mit einer Anzahl von Hilfsschalteranschlüssen und einem Spulenanschlussklemmblock mit wenigstens einer Spulenanschlussklemme, wobei die wenigstens eine Spulenanschlussklemme in einer Ebene mit einem Hilfsschalteranschluss liegt. Eine Aufgabe der Erfindung ist es, die Handhabbarkeit von Spulenanschlüssen bei einem elektromagnetischen Schaltgerät zu verbessern.The DE 30 17 561 A1 describes an electromagnetic switching device with a number of auxiliary switch terminals and a coil terminal block with at least one coil terminal, wherein the at least one coil terminal is in a plane with an auxiliary switch terminal. An object of the invention is to improve the manageability of coil terminals in an electromagnetic switching device.

Diese Aufgabe wird durch ein elektromagnetisches Schaltgerät nach Anspruch 1 gelöst. Danach ist ein elektromagnetisches Schaltgerät mit einer Anzahl von Hilfsschalteranschlüssen und einem Spulenanschlussklemmenblock mit wenigstens einer Spulenanschlussklemme vorgesehen, wobei wenigstens eine Spulenanschlussklemme des Spulenanschlussklemmenblocks in einer Ebene mit einem Hilfsschalteranschluss des Schaltgerätes liegt. Dadurch wird gewährleistet, dass die Spulenanschlussklemme zusammen mit den Hilfsanschlüssen, beispielsweise mit Hilfe eines Steckers kontaktiert werden kann. Durch den Einsatz eines gemeinsamen Steckers wird der Anschluss und damit die Handhabung des Schaltgerätes wesentlich vereinfacht.This object is achieved by an electromagnetic switching device according to claim 1. Thereafter, an electromagnetic switching device with a number of auxiliary switch terminals and a coil terminal block provided with at least one coil terminal, wherein at least one coil terminal of the coil terminal block is in a plane with an auxiliary switch terminal of the switching device. This ensures that the coil terminal can be contacted together with the auxiliary terminals, for example by means of a plug. Through the use of a common connector, the connection and thus the handling of the switching device is much easier.

Mit der Erfindung können Spulenanschlüsse unabhängig von verschiedenen Aufbauten und Anschlusstechniken flexibel und im Vergleich zu den bekannten Lösungen wesentlich besser zugänglich bereitgestellt werden.With the invention, coil terminals, irrespective of various structures and connection techniques, can be provided flexibly and in a much more accessible manner compared with the known solutions.

Vorteilhafte Ausführungsformen der Erfindung sind in den Unteransprüchen angegeben.Advantageous embodiments of the invention are specified in the subclaims.

Vorgesehen ist eine Anordnung des Spulenanschlusses an der Vorderseite des Schaltgerätes. Spulenanschlussklemmen können dann universell derart angeordnet werden, dass eine Zugänglichkeit von oben, von unten und von vorn realisierbar ist, ohne das Spulenanschlussklemmen an mehreren verschiedenen Orten vorgesehen werden müssen. Somit wird nicht nur der Aufbau von Schaltgeräten stark vereinfacht. Auch die Handhabbarkeit eines derartigen Schaltgerätes ist wesentlich verbessert, da ein Anschluss von vorn möglich ist.Provided is an arrangement of the coil terminal on the front of the switching device. Coil terminals can then be universally arranged so that accessibility from above, from below and from the front can be realized without having to provide the coil terminals in several different locations. Thus, not only the construction of switching devices is greatly simplified. The handling of such a switching device is significantly improved because a connection from the front is possible.

Mit der Verwendung eines von vorn elektrisch und mechanisch steckbaren Spulenanschlussklemmenblocks wird eine besonders einfache Handhabung erreicht. Durch Herstellen einer einzigen Steckverbindung wird der Spulenanschlussklemmenblock nicht nur mechanisch, sondern auch elektrisch mit dem Schaltgerät verbunden. Aufwändige Zusatzverbindungen entfallen.With the use of a front electrically and mechanically pluggable coil terminal block a particularly simple handling is achieved. By making a single connector, the coil terminal block is not only mechanically but also electrically connected to the switching device. Elaborate additional connections omitted.

Der Spulenanschlussklemmenblock ermöglicht bei einer beliebigen Aufbauweise des Schaltgerätes eine optimale Zugänglichkeit zu den Klemmen des Spulenanschlusses und verhindert damit, dass Drähte über andere Schaltgeräte geführt werden müssen.The coil terminal block allows optimal accessibility in any configuration of the switching device to the terminals of the coil terminal and thus prevents wires from being routed through other switching devices.

Dabei können Klemmen mit unterschiedlichen Anschlusstechniken, beispielsweise Schraubanschluss, Schneidklemme, Push-in-Technik, Käfigzugfeder usw., am Schaltgerät gesteckt werden. Handelt es sich bei dem Schaltgerät um ein Schütz, bei dem beispielsweise die Hauptleiterklemmen in Schraubtechnik ausgeführt sind, können alle möglichen Anschlussvarianten, einschließlich der Hilfs- und Steuerleiter, gesteckt werden. Das Schaltgerät ist mit anderen Worten für einen Steckanschluss bei Hilfs- und Steuerleiter vorbereitet.In this case, terminals with different connection techniques, such as screw terminal, insulation displacement terminal, push-in technology, cage tension spring, etc., can be plugged into the switching device. If the switching device is a contactor in which, for example, the main conductor terminals are screwed, all possible connection variants, including the auxiliary and control conductors, can be plugged. In other words, the switching device is prepared for a plug-in connection at auxiliary and control conductors.

Mit Hilfe der Erfindung ist es möglich, die Anzahl der verschiedenen benötigten Bauformen bei Schaltgeräten zu verringern. Selbst wenn die Schaltgeräte unterschiedliche Anschlusstechniken bei den Steuerklemmen vorsehen, können sie mit Hilfe der Erfindung untereinander kombiniert werden. Aufgrund der Steckverbindung ist ein Austausch des Spulenanschlussklemmenblocks und damit eine Änderung der Anschlusstechnik auf einfache Art und Weise möglich und kann auch vom Anwender ausgeführt werden.With the aid of the invention, it is possible to reduce the number of different required designs for switching devices. Even if the switching devices provide different connection techniques at the control terminals, they can be combined with each other by means of the invention. Due to the plug connection, a replacement of the coil terminal block and thus a change in the connection technology in a simple manner possible and can also be performed by the user.

Vorzugsweise ist der von vorn steckbare Spulenanschlussklemmenblock als alleiniger Spulenanschluss vorgesehen. Weitere Spulenanschlüsse in Richtung der oberen Anschlussseite beziehungsweise in Richtung der unteren Anschlussseite des Schaltgerätes sind mit anderen Worten nicht vorgesehen. Dadurch wird der konstruktive Aufbau des Schaltgerätes stark vereinfacht, ohne dass die Funktionalität des Schaltgerätes darunter leidet. Selbstverständlich ist es ebenfalls möglich, den erfindungsgemäßen Spulenanschlussklemmenblock als Ergänzung zu vorhandenen ortsfesten Spulenanschlussklemmen einzusetzen. Besonders vorteilhaft ist es, wenn die Spulenanschlussklemmen in Stufen übereinander angeordnet sind. Hierdurch können unterschiedliche Kontaktierungsebenen definiert werden.Preferably, the front insertable coil terminal block is provided as the sole coil terminal. Further coil connections in the direction of the upper connection side or in the direction of the lower connection side of the switching device are not provided in other words. As a result, the structural design of the switching device is greatly simplified, without the functionality of the switching device suffers. Of course, it is also possible to use the coil terminal block according to the invention as a supplement to existing stationary coil terminals. It when the coil terminals are arranged in stages one above the other is particularly advantageous. As a result, different contacting levels can be defined.

Ein Spulenanschlussklemmenblock mit in Stufen übereinander angeordneten Spulenanschlussklemmen kann vorzugsweise in seiner Anschlussrichtung gewendet werden. Der Spulenanschlussklemmenblock ist dann je nach Anordnung am Schaltgerät sowohl von unten als auch von oben kontaktierbar. Mit anderen Worten ist es beispielsweise möglich, den Spulenanschlussklemmenblock mit seiner höher gelegenen Stufe in Richtung der oberen Anschlussseite oder in Richtung der unteren Anschlussseite des Schaltgerätes einzusetzen. Hierdurch wird die universelle Einsetzbarkeit des erfindungsgemäßen Spulenanschlussklemmenblocks nochmals verbessert. Je nachdem, welche Gerätekombinationen oder Anschlussvarianten gewünscht sind, können die unterschiedlichen Anschlussebenen nach oben oder unten ausgerichtet sein.A coil connection terminal block with coil terminals arranged one above the other in stages can preferably be turned in its connection direction. The coil terminal block is then contacted depending on the arrangement on the switching device both from below and from above. In other words, it is possible, for example, to insert the coil terminal block with its higher level toward the upper terminal side or toward the lower terminal side of the switching device. As a result, the universal applicability of the coil terminal block according to the invention is further improved. Depending on which device combinations or connection variants are desired, the different connection levels can be aligned upwards or downwards.

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen beschrieben, die mit Hilfe der Zeichnungen näher erläutert werden. Hierbei zeigen:

FIG 1
einen ersten aus dem Stand der Technik bekannten Schütz,
FIG 2
einen zweiten aus dem Stand der Technik bekannten Schütz,
FIG 3
ein erfindungsgemäßer Spulenanschlussklemmenblock,
FIG 4
ein erfindungsgemäßer Spulenanschlussklemmenblock,
FIG 5
ein erfindungsgemäßer Spulenanschlussklemmenblock,
FIG 6
ein erfindungsgemäßer Spulenanschlussklemmenblock,
FIG 7
ein erfindungsgemäßes Schaltgerät,
FIG 8
einen erfindungsgemäßen Schütz mit aufgestecktem Spulenanschlussklemmenblock
FIG 9
einen erfindungsgemäßen Schütz mit Spulenanschlussklemmenblock und Hilfsschalterblock
FIG 10
eine Kombination eines Leistungsschalters mit einem erfindungsgemäßen Schütz,
FIG 11
eine Kombination eines erfindungsgemäßen Schütz mit einem Überlastrelais und
FIG 12
eine Kombination eines Leistungsschalters mit einem erfindungsgemäßen Schütz und einem Überlastrelais.
The invention will be described below with reference to embodiments, which are explained in more detail with the aid of the drawings. Hereby show:
FIG. 1
a first known from the prior art contactor,
FIG. 2
a second contactor known from the prior art,
FIG. 3
an inventive coil terminal block,
FIG. 4
an inventive coil terminal block,
FIG. 5
an inventive coil terminal block,
FIG. 6
an inventive coil terminal block,
FIG. 7
an inventive switching device,
FIG. 8
a contactor according to the invention with attached coil terminal block
FIG. 9
a contactor according to the invention with coil terminal block and auxiliary switch block
FIG. 10
a combination of a circuit breaker with a contactor according to the invention,
FIG. 11
a combination of a contactor according to the invention with an overload relay and
FIG. 12
a combination of a circuit breaker with a contactor according to the invention and an overload relay.

FIG 1 zeigt einen aus dem Stand der Technik bekannten Schütz 101, welcher mit seiner Rückseite 102 nach unten und mit seiner Vorderseite 103 nach oben dargestellt ist. Auf der Vorderseite 103 des Schütz 101 ist in Richtung der Schützoberseite 104 eine obere Anschlussreihe 105 und in Richtung der Schützunterseite 106 eine untere Anschlussreihe 107 vorgesehen. Die beiden Anschlussreihen 105, 107 umfassen dabei jeweils drei Hauptstromanschlüsse 108, einen Hilfsschalteranschluss 109 und einen Spulenanschluss 110. Dabei liegt die obere Anschlussreihe 105 und die untere Anschlussreihe 107 in einer Ebene. Hauptstrom-, Hilfsschalter- und Spulenanschluss 108, 109, 110 sind als Schraubanschlüsse ausgebildet. Die obere Anschlussreihe 105 dient dabei als Eingangsseite und die untere Anschlussreihe 107 als Abgangsseite. FIG. 1 shows a known from the prior art contactor 101, which is shown with its rear side 102 down and with its front side 103 upwards. On the front side 103 of the contactor 101, an upper terminal row 105 is provided in the direction of the contactor upper side 104, and a lower terminal row 107 is provided in the direction of the contactor lower side 106. The two terminal rows 105, 107 each comprise three main current terminals 108, an auxiliary switch terminal 109 and a coil terminal 110. In this case, the upper terminal row 105 and the lower terminal row 107 lie in one plane. Main current, auxiliary switch and coil terminal 108, 109, 110 are designed as screw connections. The upper terminal row 105 serves as the input side and the lower terminal row 107 as the outlet side.

Bei dem in FIG 2 gezeigten Schütz 111, welches ebenfalls aus dem Stand der Technik bekannt ist, sind auf der gleichen Baubreite, wie sie der Schütz 101 aus FIG 1 aufweist, anstelle von fünf jeweils nur drei Anschlüsse vorgesehen, so dass größere Anschlussquerschnitte zum Schalten von höheren Strömen verwendet werden können. Da die Hauptstromanschlüsse 108 die gesamte Baubreite des Schütz 111 einnehmen, sind auf der Vorderseite 103 des Schütz 111 vier Aufnahmen 112 für zusätzliche Hilfsschalter (nicht abgebildet) vorgesehen. Hilfsschalter können jedoch auch seitlich an den hierfür vorgesehenen Aussparungen 113 des Schützgehäuses angeklemmt werden. Zum Anschluss der Spulen sind an der Schützunterseite 106 als auch an der Schützoberseite 104 jeweils zwei Spulenanschlüsse 114 vorgesehen, die diagonal durch das Schützgehäuse leitend miteinander verbunden sind. Ist nun beispielsweise ein solcher Schütz 111 an seiner Unterseite 106 oder seiner Oberseite 104 mit einem weiteren Schaltgerät oder dergleichen verbunden, dann sind einzelne Spulenanschlüsse 114 vollständig verdeckt derart, dass entweder Spuleneingang oder Spulenausgang nicht mehr kontaktiert werden können.At the in FIG. 2 shown contactor 111, which is also known from the prior art, are on the same width as the contactor 101 from FIG. 1 has provided instead of five only three ports, so that larger connection cross sections for switching higher currents can be used. Since the main power connections 108 occupy the entire width of the contactor 111, four receptacles 112 for additional auxiliary switches (not shown) are provided on the front side 103 of the contactor 111. However, auxiliary switches can also be clamped laterally to the recesses 113 of the contactor housing provided for this purpose. To connect the coils, two coil terminals 114 are provided on the contactor bottom side 106 as well as on the contactor upper side 104, which are conductively connected to each other diagonally through the contactor housing. Is now such as one Contactor 111 connected at its bottom 106 or its top 104 with another switching device or the like, then individual coil terminals 114 are completely hidden such that either coil input or coil output can not be contacted.

FIG 3 bis 6 zeigen erfindungsgemäße Spulenanschlussklemmenblöcke 1, 2, 3, 4. Der in FIG 3 dargestellte Spulenanschlussklemmenblock 1 weist zwei Spulenanschlussklemmen 5, 6 auf, die in zwei übereinander angeordneten Anschlussebenen 7, 8 stufenartig angeordnet sind. An seiner Unterseite 9 weist der Spulenanschlussklemmenblock 1 zwei Steckkontakte 10 in Form von Kontaktstiften auf. Diese dienen der gleichzeitigen mechanischen und elektrischen Steckkontaktierung des Spulenanschlussklemmenblocks 1 mit einem erfindungsgemäßen Schütz. Die Spulenanschlussklemmen 5, 6 können mit Klemmverbindungen und/oder Steckverbindungen und/oder Schraubverbindungen (FIG 6) ausgeführt sein. Alternativ ist die Anordnung von Federzugklemmen (FIG 5) möglich. Im einfachsten Fall sind die Steckkontakte 10 an der Unterseite 9 des Spulenanschlussklemmenblocks 2 nach oben hin verlängert und ragen als entsprechende Anschlusssteckkontakte 11 aus der Oberseite 12 des Spulenanschlussklemmenblocks 2 hinaus (FIG 4). Selbstverständlich ist es ebenfalls möglich, dass mehr als zwei Spulenanschlussklemmen in einem Spulenanschlussklemmenblock 3, 4 integriert sind. So ist es beispielsweise möglich, dass jeweils zwei Anschlusskontakte eingangsseitig und abgangsseitig vorgesehen sind (FIG 5 und 6). In Variation mit beliebigen Abstufungen zur Bildung verschiedener Anschlussebenen 7, 8 ergeben sich dadurch eine Vielzahl von Anschlussvarianten. Die Anschlussrichtungen sind in FIG 3 bis 6 durch Pfeile A dargestellt. Eine alternative Anschlussmöglichkeit in FIG 3 zeigt Pfeil A'. FIGS. 3 to 6 show inventive coil terminal blocks 1, 2, 3, 4. The in FIG. 3 shown coil terminal block 1 has two coil terminals 5, 6, which are arranged stepwise in two superimposed connection levels 7, 8. On its underside 9, the coil terminal block 1 has two plug contacts 10 in the form of contact pins. These serve for the simultaneous mechanical and electrical plug contacting of the coil terminal block 1 with a contactor according to the invention. The coil terminals 5, 6 can with clamping connections and / or connectors and / or screw ( FIG. 6 ). Alternatively, the arrangement of spring terminals ( FIG. 5 ) possible. In the simplest case, the plug contacts 10 are extended at the bottom 9 of the coil terminal block 2 upwards and protrude as corresponding terminal plug contacts 11 from the top 12 of the coil terminal block 2 ( FIG. 4 ). Of course, it is also possible that more than two coil terminals are integrated in a coil terminal block 3, 4. Thus, it is possible, for example, for two connection contacts to be provided on the input side and on the output side ( FIGS. 5 and 6 ). In variation with any gradations to form different connection levels 7, 8, this results in a variety of connection variants. The connection directions are in FIGS. 3 to 6 represented by arrows A. An alternative connection possibility in FIG. 3 shows arrow A '.

In FIG 7 ist ein Beispiel eines erfindungsgemäßen Schütz 15 abgebildet. Neben den bereits aus FIG 2 bekannten drei eingangsseitigen Hauptstromanschlüssen 16 in einer oberen Anschlussreihe 17 und drei abgangsseitigen Hauptstromanschlüssen 18 in einer unteren Anschlussreihe 19 und drei Aufnahmen 20 für zusätzliche Hilfsschalter (nicht abgebildet), ist an der Vorderseite 21 des Schütz 15 eine zusätzliche Steckeraufnahme 22 zur Ausbildung einer Steckverbindung vorgesehen. Die Aufnahme 22 weist dabei zwei Aufnahmeöffnungen 23 zur Aufnahme der Steckkontakte 10 eines Spulenanschlussklemmenblocks 1, 2, 3, 4 auf derart, dass bei einem eingesteckten Spulenanschlussklemmenblock 1, 2, 3, 4 dessen Steckkontakte 10 in einer elektrischen Verbindung mit den Spulenanschlüssen 24 an der Schützoberseite 25 einerseits und der Schützunterseite 26 andererseits bestehen. Diese Verbindung kann beispielsweise durch ein Blechteil 27, einen Draht oder dergleichen von der Steckeraufnahme 22 zur Spule geschaffen werden.In FIG. 7 an example of a contactor 15 according to the invention is shown. In addition to the already out FIG. 2 known three input-side main power terminals 16 in an upper row of terminals 17 and three outlet-side main power connections 18 in a lower terminal row 19 and three receptacles 20 for additional auxiliary switch (not shown), an additional connector receptacle 22 is provided on the front side 21 of the contactor 15 for forming a plug connection. The receptacle 22 in this case has two receiving openings 23 for receiving the plug contacts 10 of a Spulenanschlussklemmenblocks 1, 2, 3, 4 in such a way that at an inserted coil terminal block 1, 2, 3, 4 whose plug contacts 10 in an electrical connection with the coil terminals 24 at the Schützoberseite 25 on the one hand and the contactor base 26 on the other. This connection can be created for example by a sheet metal part 27, a wire or the like from the connector receptacle 22 to the coil.

FIG 8 zeigt den Schütz 15 aus FIG 7 mit aufgesetztem Spulenanschlussklemmenblock 1. Der Spulenanschlussklemmenblock 1 mit seinen Steckkontakten 10 und die Steckeraufnahme 22 an der Vorderseite 21 des Schütz 15 sind dabei derart ausgebildet, dass der Spulenanschlussklemmenblock 1 mit seiner höher gelegenen Stufe 8 in Richtung der oberen Anschlussreihe 17 (wie abgebildet) eingesetzt werden kann. Somit sind die Spulenanschlussklemmen 5, 6 von unten (Pfeil A) zugänglich. Darüber hinaus ist es ebenso möglich, die Spulenanschlussklemmen 5, 6 bei der in FIG 8 gezeigten Montageart von oben (Pfeil B) anzuschließen. FIG. 8 shows the contactor 15 FIG. 7 with coil terminal block 1. The coil terminal block 1 with its plug contacts 10 and the plug receptacle 22 on the front side 21 of the contactor 15 are designed such that the coil terminal block 1 are used with its higher stage 8 in the direction of the upper terminal row 17 (as shown) can. Thus, the coil terminals 5, 6 are accessible from below (arrow A). Moreover, it is also possible, the coil terminals 5, 6 in the in FIG. 8 to be connected from above (arrow B).

Alternativ dazu kann jedoch der Spulenanschlussklemmenblock 1 mit seiner höher gelegenen Stufe 8 auch (um 180° gedreht) in Richtung der unteren Anschlussreihe 19 des Schütz 15 eingesetzt werden. Somit ist sichergestellt, dass die Spulenanschlussklemmen 5, 6 auch von oben (Pfeil B) zugänglich sind. Darüber hinaus ist es ebenso möglich, die Spulenanschlussklemmen 5, 6 bei dieser Montageart von unten (Pfeil A) anzuschließen. Aufgrund der vielen Anschlussvarianten ergibt sich für den Spulenanschlussklemmenblock eine Vielzahl von Einsatzmöglichkeiten.Alternatively, however, the coil terminal block 1 with its higher level 8 also (rotated by 180 °) in the direction of the lower terminal row 19 of the contactor 15 are used. This ensures that the coil terminals 5, 6 are accessible from above (arrow B). Moreover, it is also possible to connect the coil terminals 5, 6 in this type of mounting from below (arrow A). Due to the many connection variants, the coil terminal block offers a multitude of possible applications.

Gleichzeitig hebt der Spulenanschlussklemmenblock 1 wenigstens einzelne Spulenanschlussklemmen 6 in die Ebene der Anschlussklemmen 30 montierter frontseitiger Hilfsschalterblöcke 31, wie sie beispielhaft in FIG 9 abgebildet ist. In diesem Fall können die eingangsseitigen, oberen Anschlussklemmen 30 der frontseitigen Hilfsschalterblöcke 31 zusammen mit der höher gelegenen, oberen Anschlussebene 8 des Spulenanschlussklemmenblocks 1 über einen gemeinsamen Stecker (nicht abgebildet) kontaktiert werden, was die Zugänglichkeit erleichtert.At the same time, the coil terminal block 1 raises at least individual coil terminals 6 in the plane of the terminals 30 of the front auxiliary switch blocks 31 mounted as exemplified in FIG FIG. 9 is shown. In this case, the input side upper terminals 30 of the front auxiliary switch blocks 31 can be contacted together with the higher upper terminal plane 8 of the coil terminal block 1 via a common plug (not shown), which facilitates accessibility.

FIG 10 zeigt eine schematische Darstellung einer Kombination eines Leistungsschalters 36 und eines erfindungsgemäßen Schütz 15. Der Schütz 15 ist dabei unterhalb des Leistungsschalters 36 angeordnet und mit diesem verbunden. Mit anderen Worten grenzt der Leistungsschalter 36 an die, Oberseite 25 des Schütz 15 an. Damit das Handbedienteil 37 des Leistungsschalters 36 frei zugänglich ist und nicht von Leitungen verdeckt wird, ist ein Anschluss des Schützes 15 von unten, also aus Richtung seiner Unterseite 26, erforderlich. Hierbei wird ein frontseitiger Hilfsschalterblock (nicht abgebildet) mit den Anschlussklemmen nach unten verwendet. Der Spulenanschlussklemmenblock 1 wird so auf die Vorderseite 21 des Schütz 15 aufgesetzt, dass die Anschlussklemmen 5, 6 nach unten zeigen. Mit anderen Worten werden alle Hilfsleitungen (nicht abgebildet) zum Schütz 15 von unten an diesen herangeführt, da die obere Eingangsseite des Schütz 15 wegen des benachbarten Leistungsschalters 36 nicht genutzt werden kann. Die Anschlussrichtung ist durch Pfeil A dargestellt. FIG. 10 shows a schematic representation of a combination of a circuit breaker 36 and a contactor 15 according to the invention. The contactor 15 is arranged below the circuit breaker 36 and connected thereto. In other words, the power switch 36 adjoins the top 25 of the contactor 15. Thus, the hand control unit 37 of the circuit breaker 36 is freely accessible and is not covered by lines, a connection of the contactor 15 from below, ie from the direction of its bottom 26 is required. This uses a front auxiliary switch block (not shown) with the terminals down. The coil terminal block 1 is placed on the front side 21 of the contactor 15 so that the terminals 5, 6 point downwards. In other words, all the auxiliary lines (not shown) to the contactor 15 are brought from below to this, since the upper input side of the contactor 15 can not be used because of the adjacent circuit breaker 36. The connection direction is shown by arrow A.

In FIG 11 ist eine schematische Darstellung einer Kombination eines Schütz 15 mit einem Überlastrelais 39 abgebildet. Das Überlastrelais 39 ist dabei mechanisch abgangsseitig, also an der Unterseite 26 des Schütz 15 angeordnet. Der Spulenanschlussklemmenblock 1 ist mit seiner tiefer gelegenen Anschlussstufe 7 in Richtung der Schützoberseite 25, also eingangsseitig, angeordnet. Von dort wird er über einen Draht (nicht abgebildet) kontaktiert. Mit anderen Worten werden Hilfsleiter und Spule von oben angeschlossen. Der frontseitige Hilfsschalterblock (nicht abgebildet) wird mit den Anschlussklemmen nach oben verwendet. Der Spulenanschlussklemmenblock 1 ist also derart gedreht, dass die Anschlussklemmen 5, 6 nach oben zeigen, so dass alle Hilfsleitungen zum Schütz 15 von oben angeschlossen werden. Die Anschlussrichtung ist durch Pfeil A dargestellt.In FIG. 11 is a schematic representation of a combination of a contactor 15 with an overload relay 39 shown. The overload relay 39 is on the mechanical side of the output, that is arranged on the bottom 26 of the contactor 15. The coil connection terminal block 1 is arranged with its lower connection stage 7 in the direction of the contactor upper side 25, that is to say on the input side. From there he will be over a wire (not shown) contacted. In other words, the auxiliary conductor and coil are connected from above. The front auxiliary switch block (not shown) is used with the terminals up. The coil terminal block 1 is thus rotated so that the terminals 5, 6 show upward, so that all auxiliary lines are connected to the contactor 15 from above. The connection direction is shown by arrow A.

FIG 12 zeigt schließlich eine schematische Darstellung einer Kombination von Leistungsschalter 36, Schütz 15 und Überlastrelais 39. Bei dieser Kombination sind bei den meisten bekannten Schützen die Spulenanschlüsse sowohl oben als auch unten verdeckt. Durch den Einsatz des erfindungsgemäßen Spulenanschlussklemmenblocks 1 wird die Zugänglichkeit der Spulenanschlüsse gewahrt. Der frontseitige Hilfsschalterblock (nicht abgebildet) wird mit den Anschlussklemmen nach unten verwendet. Der Spulenanschlussklemmenblock 1 wird ebenfalls so gedreht, dass die Anschlussklemmen 5, 6 nach unten zeigen, so dass alle Hilfsleitungen zum Schütz 15 von unten angeschlossen werden. Das Handbedienteil 37 des Leistungsschalters 36 bleibt somit frei. Mit der vorliegenden Erfindung wird eine einfache Kontaktierbarkeit bei dieser Kombination überhaupt erst möglich. Darüber hinaus ergibt sich eine variabel wählbare Leitungsführung über nur ein Gerät, wobei vorzugsweise eine Leitungsführung über das Überlastrelais 39 gewählt wird. Die Anschlussrichtung ist durch Pfeil A dargestellt. FIG. 12 Finally, FIG. 3 shows a schematic representation of a combination of power switch 36, contactor 15 and overload relay 39. In this combination, in most known contactors, the coil terminals are concealed both above and below. By using the coil terminal block 1 according to the invention, the accessibility of the coil terminals is ensured. The front auxiliary switch block (not shown) is used with the terminals down. The coil terminal block 1 is also rotated so that the terminals 5, 6 point down so that all the auxiliary lines to the contactor 15 are connected from below. The manual control unit 37 of the circuit breaker 36 thus remains free. With the present invention, a simple contactability in this combination is possible at all. In addition, there is a variably selectable cable routing over only one device, wherein preferably a wiring via the overload relay 39 is selected. The connection direction is shown by arrow A.

Claims (3)

  1. Electromagnetic switch device (15), in particular a contactor, comprising a number of auxiliary switch terminals and a coil connector terminal block (1, 2, 3, 4) having at least one coil connector terminal (5, 6), wherein the at least one coil connector terminal (5, 6) lies on a plane (8) with an auxiliary switch terminal (30), characterised by a coil connector terminal block (1, 2, 3, 4) that can be connected electrically and mechanically by being inserted from the front.
  2. Switch device (15) according to claim 1, characterised by a plurality of coil connector terminals (5, 6) of the coil connector terminal block (1, 2, 3, 4) which are arranged one above the other in stages (7, 8).
  3. Switch device (15) according to claim 1 or 2, characterised in that depending on the arrangement on the switch device (15) the coil connector terminal block (1, 2, 3, 4) can be electrically contacted either from above or from below.
EP05706745A 2005-02-07 2005-02-07 Electromagnetic switch device in particular a contactor Not-in-force EP1846944B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE2005/000205 WO2006084421A1 (en) 2005-02-07 2005-02-07 Electromagnetic switch device in particular a contactor

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EP1846944A1 EP1846944A1 (en) 2007-10-24
EP1846944B1 true EP1846944B1 (en) 2012-05-30

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EP (1) EP1846944B1 (en)
CN (1) CN100521034C (en)
DE (1) DE112005003539A5 (en)
HK (1) HK1097346A1 (en)
WO (1) WO2006084421A1 (en)

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Publication number Priority date Publication date Assignee Title
FR2908233B1 (en) * 2006-11-02 2009-01-09 Abb Entrelec Soc Par Actions S CONTACTOR WITH MODULAR CONNECTION OF THE COIL
EP2107580A1 (en) * 2008-04-01 2009-10-07 Siemens Aktiengesellschaft Expansion attachment module for attachment to at least two spool connections of an electromagnetic switching device, in particular a switch

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3017561C2 (en) * 1980-05-08 1986-07-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Switching device
DE10023966C1 (en) * 2000-05-16 2001-11-08 Siemens Ag Electrical load circuit has coupling element between fuse and protection device provided with load current line and electrical or electronic monitoring circuit
DE20304414U1 (en) * 2003-03-19 2004-07-29 Weidmüller Interface Gmbh & Co. Switching device, e.g. relay, with connections for electrical conductor, has adapter for attaching connection terminals with insulating housing for insulation penetrating blade/terminal contacts

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WO2006084421A1 (en) 2006-08-17
EP1846944A1 (en) 2007-10-24
CN100521034C (en) 2009-07-29
DE112005003539A5 (en) 2008-01-10
CN1918684A (en) 2007-02-21
HK1097346A1 (en) 2007-06-22

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