EP0396808A1 - Terminal row arrangement - Google Patents

Terminal row arrangement Download PDF

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Publication number
EP0396808A1
EP0396808A1 EP89108552A EP89108552A EP0396808A1 EP 0396808 A1 EP0396808 A1 EP 0396808A1 EP 89108552 A EP89108552 A EP 89108552A EP 89108552 A EP89108552 A EP 89108552A EP 0396808 A1 EP0396808 A1 EP 0396808A1
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EP
European Patent Office
Prior art keywords
terminal
terminal block
arrangement
tabs
arrangement according
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.)
Granted
Application number
EP89108552A
Other languages
German (de)
French (fr)
Other versions
EP0396808B1 (en
Inventor
Klaus Strate
Jürgen Pampel
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.)
Weidmueller Interface GmbH and Co KG
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Weidmueller Interface GmbH and Co KG
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 Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Priority to DE58908455T priority Critical patent/DE58908455D1/en
Priority to EP89108552A priority patent/EP0396808B1/en
Priority to US07/514,212 priority patent/US5071356A/en
Priority to JP2116969A priority patent/JPH0367478A/en
Publication of EP0396808A1 publication Critical patent/EP0396808A1/en
Application granted granted Critical
Publication of EP0396808B1 publication Critical patent/EP0396808B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2675—Electrical interconnections between two blocks, e.g. by means of busbars

Definitions

  • the invention relates to a terminal block arrangement, in particular an initiator terminal arrangement, consisting of a plurality of series terminals, each with at least one perforated busbar and with a cross connector, consisting of a crossbar running over the terminal blocks and from there to the perforated busbars, inserted into the holes.
  • cross connectors are known (DE 33 12 002 C1), in which tabs are formed on the cross bar running over the terminal block arrangement in a comb-like variety and arrangement, with the tabs in holes in the Busbar of those terminal blocks that are to be switched to this potential.
  • Flat plugs that are not required in accordance with those terminal blocks in the arrangement that are not to be switched to this potential can be broken off from the crossbar during assembly via a predetermined breaking point.
  • the known design is simple in terms of assembly, but on the other hand is not very flexible in the area of use. After their first installation, for example in a switchgear, changes are no longer possible. In the event of changes in the circuit arrangement, a new comb-type cross connector must generally be used.
  • the entire comb-like cross connector must also be removed, so that practically the entire circuit system and the units to be supplied attached to it are switched off.
  • the tabs in their lower area interacting with the perforated busbar are formed to a certain extent by an expansion slot so that they can be inserted into the hole in the busbar with slight compression.
  • the contact force that can be achieved in this way is limited and must also be the case when a large number of tab connectors are normally inserted at the same time during the assembly process or have to be pulled out again when the connection is released.
  • a cross connector arrangement is known (DE 27 36 664 A1), in which the busbars each have two plug-in openings oriented in a row with row terminals connected in series.
  • a large number of U-shaped cross connector plug elements are provided as cross connectors, which are designed in the manner of a flat plug, one leg of the U-shaped plug connector in each case in a hole in a busbar and the other leg in the closest hole in the busbar of the adjacent terminal block is stuck.
  • a cross connector element must always be inserted in a seamless sequence from terminal block to terminal block.
  • the low flexibility is also a particular disadvantage here.
  • All terminal blocks of the arrangement must be switched to the same potential, since if such a cross connector is omitted, the terminal blocks behind in the current flow direction can no longer be switched to this potential due to this interruption. If you release a cross connector in an existing arrangement, all the terminal blocks behind are automatically de-energized.
  • cross connectors are known in which a plurality of spacing or connecting elements extend from a cross bar to the busbars of the terminal blocks, sometimes also over predetermined breaking points, the elements reaching to the busbars carrying a connecting screw and the busbar having a threaded hole (DE 23 57 052 A1).
  • Such cross connectors are expensive to manufacture, in particular because they require a threaded hole in the busbar. It takes a lot of time to make the screw connections.
  • flexibility is conceivably low, since a transverse bar that has been set up cannot be used again when the circuit arrangement is changed. It is also not sensible to loosen individual cross-connection connections of affected terminal blocks.
  • the present invention is therefore based on the object of providing a modular terminal arrangement of the generic type which is particularly flexible in the region of the cross connector with regard to changes in circuit arrangement and with regard to a desired release of the connection.
  • the solution according to the invention consists in a modular terminal arrangement of the generic type in that the flat plugs are designed as separate plugs which can be placed on the crossbar and are placed on them.
  • isolating plugs can be placed in any arrangement on the crossbar leading over the terminal block arrangement and, like the known flat plugs, can be inserted with their lower ends into the holes in the affected busbars.
  • This assembly and insertion is a simple process in terms of assembly.
  • the individual cross-connection connections of the individual terminal blocks are and remain independent of each other. If a change in the circuit arrangement is required, the same isolating plugs can be used in the series, where necessary with other terminal blocks. It is particularly possible in a very simple way to open a single cross connector connection of an affected terminal block in the sense of disconnection from the circuit, without affecting the power supply to all other terminal blocks in the arrangement, including those that use the same cross connector Are switched, has some influence. This gives the cross connector flat connector a dual function.
  • the flat plug is designed to be placed on the crossbar, its basic structure can also be designed to be elastically spreadable when it is placed on the crossbar, so that in conjunction with the hole in the affected conductor rail, a very high resilient contact force for the inserted flat connector or isolating plug can be achieved, as is the case in many applications, for example with strong vibratory loads and / or downward arrangement of the terminal block arrangement as a whole.
  • the configuration according to the invention is particularly suitable for so-called initiator terminal block arrangements.
  • initiator terminal block arrangements EP 0 222 030 A1
  • three-tier terminals are used.
  • the first terminal block of the series is connected to the positive pole and the negative pole of the voltage source in the two-tier arrangement.
  • the forwarding then takes place exclusively via cross connectors on the individual floors.
  • the conductors then going out on the two floors lead to initiators and back from them, while the initiators then feed the remaining floor via a control line and the rear connections of this floor are then connected to signal transmitters.
  • FIG. 1 shows a three-tier terminal block as used in the context of initiator terminal arrangements.
  • a first electrical connection 2 which is for example a spring plug connection, is provided, into which the electrical conductor 3 coming from the positive pole of a voltage source (not shown) is inserted.
  • the electrical connection 2 is connected to a busbar 4, which is arranged at an angle in the terminal housing 1 in such a way that it has an area below a plug opening 5 provided in the terminal housing 1, in which it has a hole 4a.
  • a modular terminal arrangement In a modular terminal arrangement according to the invention, many such modular terminals are lined up next to one another, for which purpose they are, for example a common mounting rail (not shown) are snapped on.
  • a cross bar 6 is now guided as part of a cross connector through the plug openings 5 of the terminal housings 1 of the clamped strings, which are therefore aligned.
  • the cross bar 6 thus serves to supply power to the positive connections of all terminal blocks of the series, at least those terminal blocks in this arrangement which must be switched to this potential.
  • separate individual tabs 7 are provided from the cross bar 6, which have a downward-opening expansion slot 8, with which they can be used on the continuous cross bar 6 wherever the cross connection connection is desired , can be put on.
  • the inner walls of the expansion slot 8 also have expansion knobs, which interact when the crossbar 6 is placed on them and which allow a targeted elastic expansion of the lower region of the flat connector 7, which lower region in turn then closes the circuit into the hole 4a of the person concerned Busbar 4 of the affected terminal block is inserted. Thanks to the resilient design and thanks to the spreading of the tab 7 through the cross bar 6, a targeted very high electrical contact force can be guaranteed.
  • the flat connector 7 also has a handle 10 in its upper region.
  • the flat connector 7 has a narrow frame 11 which surrounds the actual flat connector part and consists of electrically conductive material and which carries the handle 10 on the upper side.
  • Frame 11 and handle 10 are made of an insulating material and form a protection against contact.
  • locking knobs 12 are provided on the frame 11 on both sides.
  • a latching recess 13 is provided on both sides in the inner wall area of the plug opening 5.
  • the upper locking knobs 12 engage in the locking recesses 13 and bring about a mechanical locking of the insertion position. If you pull the tab 7 out of the hole 4a of the busbar 4 to release the connection, you can lock the lower locking knobs 12 in these locking recesses 13 and thus have a mechanical, loss-proof hold in the disconnected or interrupted position.
  • tabs 7 also act as isolating plugs in the sense of forming the terminal block concerned as an isolating terminal.
  • the terminal block provided in the illustrated embodiment has a further electrical connection 14, into which, for example, the conductor 15 coming from the negative pole of a voltage source (not shown) can be inserted.
  • the electrical connection 14 in turn has a busbar 4 which has a hole 4a.
  • the arrangement is also made here so that the hole 4a of this busbar 4 is located under a plug opening 5a in the terminal housing 1.
  • a cross bar 6 is in turn guided, which, if desired, can be equipped with the previously described, at the same time enabling separation flat tabs 7, which then also here again in the hole 4a of the affected person Engage busbar 4.
  • FIG. 2 the arrangement is illustrated only for the one cross connector area consisting of the cross bar and a plurality of flat plugs 7.
  • One of the tabs 7 is shown for illustration in the raised disconnected position.
  • control signals still come from the initiators, which must be routed to special signal transmitters (not shown).
  • the terminal blocks then have a further electrical connection 15 in their terminal housings, into which the electrical conductor 16 coming from the initiator is to be inserted.
  • the control current in the interior of the terminal blocks is in each case conducted via a conductor rail 17 to wide connections 18, 19, into which the electrical conductors leading to the signal transmitters can then be inserted.
  • terminal housing 1 can be snapped together on the common mounting rail 21 within the baying with the usual locking feet 20.

Abstract

In this terminal row arrangement, the row terminals within the arrangement in each case have at least one busbar (4), provided with a hole (4a) and a lateral connector is guided over the terminal row, which lateral connector consists of a lateral strip (6) onto which a flat connector (7), which is separated from the lateral strip (6) and is constructed as an isolating connector, can be plugged for each terminal, which is to be connected to this potential, within the row, which flat connector (7) is also in this case plugged into the hole (4a) of the relevant busbar (4). Because of this design, the lateral connector provided for voltage and current distribution within the row also has an isolating function. The connected terminals within the row can be separated, for example for test purposes, by withdrawing the flat connector from the circuit without this influencing the other terminals within the row. …<IMAGE>…

Description

Die Erfindung betrifft eine Reihenklemmenanordnung, insbesondere Initiatorklemmenanordnung, bestehend aus einer Mehrzahl anein­andergereihter Reihenklemmen mit jeweils mindestens einer gelochten Stromschiene und mit einem Querverbinder, bestehend aus einer über die Reihenklemmen verlaufenden Querleiste und von ihr zu deren gelochten Stromschienen gehenden, in die Löcher eingesteckten Flachsteckern.The invention relates to a terminal block arrangement, in particular an initiator terminal arrangement, consisting of a plurality of series terminals, each with at least one perforated busbar and with a cross connector, consisting of a crossbar running over the terminal blocks and from there to the perforated busbars, inserted into the holes.

Um in einer Anreihung von Reihenklemmen bestimmte Klemmen auf das gleiche Potential schalten zu können, sind Querverbinder bekannt (DE 33 12 002 C1), bei denen an der über die Reihen­klemmenanordnung verlaufenden Querleiste in kammzinkenartiger Vielzahl und Anordnung Flachstecker angeformt, wobei die Flach­stecker in Löcher der Stromschiene derjenigen Reihenklemmen ge­steckt werden, die auf dieses Potential geschaltet werden sollen. Nicht benötigte Flachstecker entsprechend denjenigen Reihen­klemmen in der Anordnung, die nicht auf dieses Potential ge­schaltet werden sollen, können bei der Montage über eine Soll­bruchstelle von der Querleiste abgebrochen werden. Die bekannte Ausgestaltung ist zwar von der Montage her einfach, andererseits aber im Einsatzbereich wenig flexibel. Nach ihrer ersten Montage beispielsweise in einer Schaltanlage sind Abänderungen nicht mehr möglich. Bei Änderungen in der Schaltungsanordnung muß im Regelfall ein neuer kammzinkenartiger Querverbinder zum Einsatz kommen.In order to be able to switch certain terminals to the same potential in a row of terminal blocks, cross connectors are known (DE 33 12 002 C1), in which tabs are formed on the cross bar running over the terminal block arrangement in a comb-like variety and arrangement, with the tabs in holes in the Busbar of those terminal blocks that are to be switched to this potential. Flat plugs that are not required in accordance with those terminal blocks in the arrangement that are not to be switched to this potential can be broken off from the crossbar during assembly via a predetermined breaking point. The known design is simple in terms of assembly, but on the other hand is not very flexible in the area of use. After their first installation, for example in a switchgear, changes are no longer possible. In the event of changes in the circuit arrangement, a new comb-type cross connector must generally be used.

Wenn einmal eine Querverbindung gelöst werden soll, muß ferner der ganze kammartige Querverbinder ausgebaut werden, so daß damit praktisch die gesamte Schaltungsanlage und die daran hängenden zu versorgenden Aggregate abgeschaltet sind. Bei dem bekannten Querverbinder sich die Flachstecker in ihrem unteren mit der gelochten Stromschiene zusammenwirkenden Bereich durch einen Spreizschlitz in gewissem Umfang elastisch ausgebildet, so daß sie unter leichter Zusammendrückung in das Loch der Stromschiene gesteckt werden können. Die hiermit erzielbare Kontaktkraft ist jedoch begrenzt und muß dies auch schon von daher sein, als bei dem Montagevorgang im Normalfall ja gleichzeitig eine Vielzahl von Flachsteckern eingesteckt bzw. beim Lösen der Verbindung wieder herausgezogen werden muß.If a cross connection is to be loosened, the entire comb-like cross connector must also be removed, so that practically the entire circuit system and the units to be supplied attached to it are switched off. In the known cross connector, the tabs in their lower area interacting with the perforated busbar are formed to a certain extent by an expansion slot so that they can be inserted into the hole in the busbar with slight compression. However, the contact force that can be achieved in this way is limited and must also be the case when a large number of tab connectors are normally inserted at the same time during the assembly process or have to be pulled out again when the connection is released.

Es ist des weiteren eine Querverbinderanordnung bekannt (DE 27 36 664 A1), bei der die Stromschienen bei aneinander­gereihten Reihenklemmen jeweils zwei in Reihungstiefe orien­tierte Stecköffnungen haben. Als Querverbinder ist eine Viel­zahl von U-förmigen Querverbinder-Steckelementen vorgesehen, die in Art eines Flachsteckers ausgebildet sind, wobei jeweils der eine Schenkel des U-förmigen Steckverbinders in ein Loch einer Stromschiene und der andere Schenkel in das nächstlie­gende Loch der Stromschiene der benachbarten Reihenklemme ge­steckt wird. Zur Erstellung der gewünschten Querverbindungen muß also immer in lückenloser Aufeinanderfolge von Reihenklemme zu Reihenklemme ein derartiges Querverbinderelement eingesteckt werden. Nachteilig ist auch hier in besonderem Maße die geringe Flexibilität. Alle Reihenklemmen der Anordnung müssen auf das gleiche Potential geschaltet werden, da bei Fortlassung eines derartigen Querverbinders die in Stromflußrichtung dahinter­liegenden Reihenklemmen durch diese Unterbrechung gar nicht mehr auf dieses Potential geschaltet werden können. Löst man einen Querverbinder in einer bestehenden Anordnung, werden alle dahinterliegenden Reihenklemmen insoweit automatisch strom­los.Furthermore, a cross connector arrangement is known (DE 27 36 664 A1), in which the busbars each have two plug-in openings oriented in a row with row terminals connected in series. A large number of U-shaped cross connector plug elements are provided as cross connectors, which are designed in the manner of a flat plug, one leg of the U-shaped plug connector in each case in a hole in a busbar and the other leg in the closest hole in the busbar of the adjacent terminal block is stuck. To create the desired cross connections, such a cross connector element must always be inserted in a seamless sequence from terminal block to terminal block. The low flexibility is also a particular disadvantage here. All terminal blocks of the arrangement must be switched to the same potential, since if such a cross connector is omitted, the terminal blocks behind in the current flow direction can no longer be switched to this potential due to this interruption. If you release a cross connector in an existing arrangement, all the terminal blocks behind are automatically de-energized.

Es sind schließlich Querverbinder bekannt, bei denen von einer Querleiste jeweils eine Vielzahl von Distanz- oder Verbindungs­elementen bis zu den Stromschienen der Reihenklemmen reichen, teilweise auch über Sollbruchstellen, wobei die zu den Strom­schienen reichenden Elemente eine Anschlußschraube tragen und die Stromschiene eine Gewindebohrung hat (DE 23 57 052 A1). Derartige Querverbinder sind in der Herstellung teuer, insbe­sondere auch weil sie ein Gewindeloch in der Stromschiene erfordern. Das Herstellen der Schraubanschlüsse erfordert viel Zeit. Auch hier ist eine denkbar geringe Flexibilität gegeben, da eine einmal eingerichtete Querleiste bei einer Schaltungs­anordnungsänderung nicht wieder verwendet werden kann. Auch ein Lösen einzelner Querverbindungsanschlüsse betroffener Reihen­klemmen ist nicht sinnvoll möglich. Der vorliegenden Erfindung liegt von daher die Aufgabe zugrunde, eine Reihenklemmenanord­nung der gattungsgemäßen Art zu schaffen, die im Bereich des Querverbinders bezüglich Schaltungsanordnungsänderungen und be­züglich eines gewünschten Lösens der Verbindung in besonderem Maße flexibel ist.Finally, cross connectors are known in which a plurality of spacing or connecting elements extend from a cross bar to the busbars of the terminal blocks, sometimes also over predetermined breaking points, the elements reaching to the busbars carrying a connecting screw and the busbar having a threaded hole (DE 23 57 052 A1). Such cross connectors are expensive to manufacture, in particular because they require a threaded hole in the busbar. It takes a lot of time to make the screw connections. Here too, flexibility is conceivably low, since a transverse bar that has been set up cannot be used again when the circuit arrangement is changed. It is also not sensible to loosen individual cross-connection connections of affected terminal blocks. The present invention is therefore based on the object of providing a modular terminal arrangement of the generic type which is particularly flexible in the region of the cross connector with regard to changes in circuit arrangement and with regard to a desired release of the connection.

Die erfindungsgemäße Lösung besteht bei einer Reihenklemmen­anordnung der gattungsgemäßen Art darin, daß die Flachstecker als von der Querleiste gesonderte, auf diese aufsetzbare Trenn­stecker ausgebildet sind.The solution according to the invention consists in a modular terminal arrangement of the generic type in that the flat plugs are designed as separate plugs which can be placed on the crossbar and are placed on them.

Diese Trennstecker können in beliebiger Anordnung auf die über die Reihenklemmenanordnung führende Querleiste aufgesetzt und, wie die bekannten Flachstecker auch, mit ihren unteren Enden in die Löcher der betroffenen Stromschienen eingesteckt werden. Dieses Aufsetzen und Einstecken ist montagemäßig ein einfacher Vorgang. Die einzelnen Querverbindungsanschlüsse der einzelnen Reihenklemmen sind und bleiben unabhängig voneinander. Wird eine Schaltungsanordnungsänderung gewünscht, können die gleichen Trennstecker, dann jeweils wo erforderlich bei anderen Reihen­klemmen in der Anreihung eingesetzt werden. Es ist dabei in besonderem Maße auf denkbar einfache Weise möglich, einen einzelnen Querverbinderanschluß einer betroffenen Reihenklemme im Sinne der Abtrennung vom Stromkreis zu öffnen, ohne daß dies auf die Stromversorgung aller anderen Reihenklemmen in der Anord­nung, auch derjenigen, die über diesen Querverbinder auf das gleiche Potential geschaltet sind, irgendeinen Einfluß hat. Damit ist dem Querverbinderflachstecker praktisch eine Doppel­funktion gegeben. Er dient nämlich zugleich auch als Trenn­element für die betroffene Reihenklemme und macht diese ihrem Wesen nach zu einer Reihentrennklemme, ohne daß diese die sonst üblichen Trennschieber oder dergleichen haben müßte. Dadurch, daß der FLachstecker auf die Querleiste aufsetzbar ausgebildet ist, ist er entsprechend beim Aufsetzvorgang auf die Querleiste seinem grundsätzlichen Aufbau nach auch elastisch spreizbar auszugestalten, wodurch sich in Verbindung mit dem Loch der betroffenen Stromschiene gezielt eine sehr hohe federnde Kontaktkraft für den eingesteckten Flach- bzw. Trennstecker erzielen läßt, wie es in vielen Einsatzfällen, beispielsweise bei starker vibratorischer Belastung und/oder nach unten wei­sender Anordnung der Reihenklemmenanordnung insgesamt gegeben ist.These isolating plugs can be placed in any arrangement on the crossbar leading over the terminal block arrangement and, like the known flat plugs, can be inserted with their lower ends into the holes in the affected busbars. This assembly and insertion is a simple process in terms of assembly. The individual cross-connection connections of the individual terminal blocks are and remain independent of each other. If a change in the circuit arrangement is required, the same isolating plugs can be used in the series, where necessary with other terminal blocks. It is particularly possible in a very simple way to open a single cross connector connection of an affected terminal block in the sense of disconnection from the circuit, without affecting the power supply to all other terminal blocks in the arrangement, including those that use the same cross connector Are switched, has some influence. This gives the cross connector flat connector a dual function. This is because it also serves as a separating element for the terminal block in question and, by its very nature, makes it a series terminal block without it having to have the otherwise usual disconnect slide or the like. Due to the fact that the flat plug is designed to be placed on the crossbar, its basic structure can also be designed to be elastically spreadable when it is placed on the crossbar, so that in conjunction with the hole in the affected conductor rail, a very high resilient contact force for the inserted flat connector or isolating plug can be achieved, as is the case in many applications, for example with strong vibratory loads and / or downward arrangement of the terminal block arrangement as a whole.

Die erfindungsgemäße Ausgestaltung ist in besonderem Maße für sogenannte Initiatorreihenklemmenanordnungen geeignet. Bei derartigen bekannten Initiatorreihenklemmenanordnungen (EP 0 222 030 A1) werden dreistöckige Klemmen eingesetzt. Dabei wird in der Anreihung in zwei Etagen nur die erste Reihenklemme der Anreihung mit dem Pluspol und dem Minuspol der Spannungsquelle verbunden. Ausgehend von der ersten Reihenklemme erfolgt dann die Weiterleitung ausschließlich über Querverbinder in den einzelnen Etagen. Die in den beiden Etagen dann abgehenden Leiter führen zu Initiatoren und von diesen zurück, während von den Initiatoren dann über eine Steuerleitung die verbliebene Etage beschickt wird und die rückwärtigen Anschlüsse dieser Etage dann mit Signalgebern verbunden werden.The configuration according to the invention is particularly suitable for so-called initiator terminal block arrangements. In such known initiator terminal block arrangements (EP 0 222 030 A1) three-tier terminals are used. In this case, only the first terminal block of the series is connected to the positive pole and the negative pole of the voltage source in the two-tier arrangement. Starting from the first terminal block, the forwarding then takes place exclusively via cross connectors on the individual floors. The conductors then going out on the two floors lead to initiators and back from them, while the initiators then feed the remaining floor via a control line and the rear connections of this floor are then connected to signal transmitters.

Es hat sich nun gerade bei derartigen Initiatorklemmenanord­nungen das Bedürfnis gezeigt, die einzelnen Initiatoren unab­hängig voneinander, insbesondere zu Prüfzwecken, immer wieder einmal vom Stromkreis abtrennen zu müssen. Durch die erfindungs­gemäß gegebene Doppelfunktion von Querverbinder und Trennelement ist es nun dank der erfindungsgemäßen Ausgestaltung möglich, in der einen oder anderen oder beiden Etagen der Initiatorreihen­klemmen die benötigten Querverbinder erfindungsgemäß auch für die Trennfunktion auszunutzen, wozu man dann in äußerst einfacher Weise den Flach- bzw. Trennstecker in der betroffenen Etage der für den betroffenen Initiator zuständigen Reihenklemmen zu Trennzwecken herauszieht.In the case of such initiator terminal arrangements in particular, it has now become apparent that the individual initiators have to be disconnected from the circuit again and again, independently of one another, in particular for test purposes. Due to the dual function of the cross connector and separating element according to the invention, it is now possible, thanks to the configuration according to the invention, to use the required cross connectors according to the invention in one or the other or both floors of the initiator terminal blocks, also for the isolating function, for which purpose the flat or Disconnect the isolating plug on the affected floor of the terminal blocks responsible for the initiator concerned for isolating purposes.

Weitere bevorzugte Ausgestaltungen einer Reihenklemmenanordnung gemäß der Erfindung sind in den Unteransprüchen gekennzeichnet.Further preferred embodiments of a terminal block arrangement according to the invention are characterized in the subclaims.

Ein Ausführungsbeispiel einer derartigen Reihenklemmemanordnung wird nachstehend unter Bezugnahme auf die Zeichnung näher be­schrieben.An embodiment of such a terminal block arrangement is described below with reference to the drawing.

Es zeigen

  • Figur 1 eine Seitenansicht der offenen Seite einer Reihen­klemme aus einer Reihenklemmenanordnung gemäß der Erfindung mit Darstellung der wesentlichen Querver­binderteile,
  • Figur 2 ein Illustrationsschema der Anreihung im Rahmen einer derartigen Klemmenanordnung im Bereich des Querver­binders.
Show it
  • 1 shows a side view of the open side of a terminal block from a terminal block arrangement according to the invention, showing the essential cross connector parts,
  • Figure 2 shows an illustration of the arrangement in the context of such a terminal arrangement in the region of the cross connector.

Als Beispiel für eine Reihenklemme aus einer Reihenklemmenan­ordnung gemäß der Erfindung ist in Figur 1 eine dreistöckige Reihenklemme dargestellt, wie sie im Rahmen von Initiator­klemmenanordnungen Einsatz findet. In dem aus Isolierstoff bestehenden Klemmengehäuse 1 ist ein erster elektrischer Anschluß 2, der beispielsweise ein Federsteckanschluß ist, vorgesehen, in den der vom Pluspol einer Spannungsquelle (nicht dargestellt) kommende elektrische Leiter 3 einge­steckt wird. Der elektrische Anschluß 2 ist mit einer Strom­schiene 4 verbunden, die so abgewinkelt im Klemmengehäuse 1 angeordnet ist, daß sie einen unterhalb einer im Klemmen­gehäuse 1 vorgesehene Stecköffnung 5 liegenden Bereich hat, in dem sie ein Loch 4a aufweist. Es liegen in einer Reihen­klemmenanordnung gemäß der Erfindung viele derartige Reihen­klemmen nebeneinander angereiht, wozu sie beispielsweise auf einer gemeinsamen Tragschiene (nicht dargestellt) aufgerastet sind. Durch die von daher fluchtend liegenden Stecköffnungen 5 der Klemmengehäuse 1 der aneinandergereihten Klemmen ist nun eine Querleiste 6 als Teil eines Querverbinders geführt. Die Querleiste 6 dient somit der Stromversorgung der Plusanschlüsse aller Reihenklemmen der Aneinanderreihung, zumindest derjenigen Reihenklemmen in dieser Anordnung, die auf dieses Potential ge­schaltet werden müssen. Um nun die einzelnen Reihenklemmen in der Reihenanordnung an dieses Potential anzuschließen, sind von der Querleiste 6 gesonderte einzelne Flachstecker 7 vorge­sehen, die einen sich nach unten öffnenden Spreizschlitz 8 auf­weisen, mit dem sie auf die durchgehende Querleiste 6 überall dort, wo der Querverbindungsanschluß gewünscht wird, aufgesetzt werden können. Sie werden dazu in die Stecköffnung 5 der be­troffenen anzuschließenden Reihenklemme in der hier betroffenen Etage eingesteckt. In zweckmäßiger Ausgestaltung haben dabei die Innenwände des Spreizschlitzes 8 noch Spreiznoppen, die beim Aufsetzen mit der Querleiste 6 zusammenwirken und die ein gezieltes elastisches Aufspreizen des unteren Bereiches des Flachsteckers 7 ermöglichen, welch unterer Bereich dann seiner­seits zur Schließung des Stromkreises in das Loch 4a der be­troffenen Stromschiene 4 der betroffenen Reihenklemme gesteckt wird. Dank der federnden Ausgestaltung und dank der Aufsprei­zung des Flachsteckers 7 durch die Querleiste 6 läßt sich eine gezielte sehr hohe elektrische Kontaktkraft gewährleisten. Der Flachstecker 7 hat in seinem oberen Bereich ferner ein Griffstück 10. In zweckmäßiger Ausgestaltung hat der Flach­stecker 7 einen den eigentlichen, aus elektrisch leitendem Material bestehenden Flachsteckerteil umgebenden schmalen Rahmen 11, der oberseitig das Griffstück 10 trägt. Rahmen 11 und Griffstück 10 bestehen aus einem Isolierstoff und bilden einen Berührungsschutz.As an example of a terminal block from a terminal block arrangement according to the invention, FIG. 1 shows a three-tier terminal block as used in the context of initiator terminal arrangements. In the terminal housing 1 made of insulating material, a first electrical connection 2, which is for example a spring plug connection, is provided, into which the electrical conductor 3 coming from the positive pole of a voltage source (not shown) is inserted. The electrical connection 2 is connected to a busbar 4, which is arranged at an angle in the terminal housing 1 in such a way that it has an area below a plug opening 5 provided in the terminal housing 1, in which it has a hole 4a. In a modular terminal arrangement according to the invention, many such modular terminals are lined up next to one another, for which purpose they are, for example a common mounting rail (not shown) are snapped on. A cross bar 6 is now guided as part of a cross connector through the plug openings 5 of the terminal housings 1 of the clamped strings, which are therefore aligned. The cross bar 6 thus serves to supply power to the positive connections of all terminal blocks of the series, at least those terminal blocks in this arrangement which must be switched to this potential. In order to connect the individual terminal blocks in the row arrangement to this potential, separate individual tabs 7 are provided from the cross bar 6, which have a downward-opening expansion slot 8, with which they can be used on the continuous cross bar 6 wherever the cross connection connection is desired , can be put on. For this purpose, they are inserted into the plug opening 5 of the terminal block concerned to be connected on the floor concerned here. In an expedient embodiment, the inner walls of the expansion slot 8 also have expansion knobs, which interact when the crossbar 6 is placed on them and which allow a targeted elastic expansion of the lower region of the flat connector 7, which lower region in turn then closes the circuit into the hole 4a of the person concerned Busbar 4 of the affected terminal block is inserted. Thanks to the resilient design and thanks to the spreading of the tab 7 through the cross bar 6, a targeted very high electrical contact force can be guaranteed. The flat connector 7 also has a handle 10 in its upper region. In an expedient embodiment, the flat connector 7 has a narrow frame 11 which surrounds the actual flat connector part and consists of electrically conductive material and which carries the handle 10 on the upper side. Frame 11 and handle 10 are made of an insulating material and form a protection against contact.

In weiterer zweckmäßiger Ausgestaltung sind an dem Rahmen 11 beidseitig Rastnoppen 12 vorgesehen. Im Innenwandungsbereich der Stecköffnung 5 ist beidseitig jeweils eine Rastausnehmung 13 vorgesehen. In der eingesteckten Stellung des Flachsteckers 7 greifen die oberen Rastnoppen 12 in die Rastausnehmungen 13 und bewirken eine mechanische Verrastung der Einsteckstellung. Zieht man zur Lösung der Verbindung den Flachstecker 7 aus dem Loch 4a der Stromschiene 4 hinaus, kann man die unteren Rast­noppen 12 in diesen Rastausnehmungen 13 verrasten und hat damit einen mechanischen, gegen Verlust sichernden Halt in der Trenn- bzw. Unterbrechungsstellung.In a further expedient embodiment, locking knobs 12 are provided on the frame 11 on both sides. A latching recess 13 is provided on both sides in the inner wall area of the plug opening 5. In the inserted position of the flat plug 7, the upper locking knobs 12 engage in the locking recesses 13 and bring about a mechanical locking of the insertion position. If you pull the tab 7 out of the hole 4a of the busbar 4 to release the connection, you can lock the lower locking knobs 12 in these locking recesses 13 and thus have a mechanical, loss-proof hold in the disconnected or interrupted position.

Aus der vorstehenden Schilderung ergibt sich, daß diese Flach­stecker 7 zugleich als Trennstecker im Sinne der Ausbildung der betroffenen Reihenklemme als Trennklemme wirken.From the above description it follows that these tabs 7 also act as isolating plugs in the sense of forming the terminal block concerned as an isolating terminal.

Die im dargestellten Ausführungsbeispiel vorgesehene Reihen­klemme hat einen weiteren elektrischen Anschluß 14, in den beispielsweise der vom Minuspol einer Spannungsquelle (nicht dargestellt) kommende Leiter 15 eingesteckt werden kann. Der elektrische Anschluß 14 hat wiederum eine Stromschiene 4, die ein Loch 4a hat. Die Anordnung ist auch hier so getroffen, daß das Loch 4a dieser Stromschiene 4 unter einer Stecköffnung 5a im Klemmengehäuse 1 liegt. Durch die fluchtend liegenden Stecköffnungen 5a der Reihenklemmen in der Anordnung ist wiederum eine Querleiste 6 geführt, die dort, wo gewünscht, mit den bereits geschilderten, zugleich eine Trennung ermög­lichenden Flachsteckern 7 bestückt werden kann, die dann auch hier wieder in das Loch 4a der betroffenen Stromschiene 4 eingreifen.The terminal block provided in the illustrated embodiment has a further electrical connection 14, into which, for example, the conductor 15 coming from the negative pole of a voltage source (not shown) can be inserted. The electrical connection 14 in turn has a busbar 4 which has a hole 4a. The arrangement is also made here so that the hole 4a of this busbar 4 is located under a plug opening 5a in the terminal housing 1. Through the aligned plug openings 5a of the terminal blocks in the arrangement, a cross bar 6 is in turn guided, which, if desired, can be equipped with the previously described, at the same time enabling separation flat tabs 7, which then also here again in the hole 4a of the affected person Engage busbar 4.

In Figur 2 ist, nur für den einen Querverbinderbereich beste­hend aus der Querleiste und einer Mehrzahl von Flachsteckern 7, die Anreihung illustriert. Man sieht dort in dieser Illustra­tion nebeneinanderliegend entsprechend der Anreihung in den einzelnen nicht dargestellten Klemmengehäusen 1 einige Strom­schienen 4 mit ihren Löchern 4a und die zugehörigen Flach­stecker 7 auf der durchgehenden Querleiste 6. Einer der Flach­stecker 7 ist zur Illustration in der angehobenen Trennstellung dargestellt.In FIG. 2, the arrangement is illustrated only for the one cross connector area consisting of the cross bar and a plurality of flat plugs 7. One can see in this illustration lying side by side according to the arrangement in the individual terminal housings 1, not shown, some busbars 4 with their holes 4a and the associated tabs 7 on the continuous crossbar 6. One of the tabs 7 is shown for illustration in the raised disconnected position.

Man kann sich in Anschauung der Figuren 1 und 2 vorstellen, daß es bei einer derartigen Initiatorreihenklemmenanordnung möglich ist, nur eine der Reihenklemmen der Anordnung, zweckmäßig die erstliegende, in der einen Etage über den elektrischen Leiter 3 mit dem Pluspol der Spannungsquelle und in der anderen Etage über den Leiter 15 mit dem Minuspol der Spannungsquelle zu ver­binden und dann ausgehend von dieser einen Reihenklemme die Spannungs- bzw. Stromverteilung auf die anderen Reihenklemmen in der Anreihung vorzunehmen, und zwar jeweils über die Quer­leiste 6 und die entsprechenden Flachstecker 7 des Querver­binders. Von den elektrischen Anschlüssen 2 der übrigen Reihen­klemmen in der Anreihung gehen dann die Plusleiter beispiels­weise zu Initiatoren (nicht dargestellt), wobei die rück­führenden Leiter von den Initiatoren dann auf die elektrischen Anschlüsse 14 in der anderen Etage der übrigen Reihenklemmen gehen.It can be imagined by looking at Figures 1 and 2 that it is possible with such an initiator terminal block arrangement, only one of the terminal blocks of the arrangement, expediently the first one, on one level via the electrical conductor 3 with the positive pole of the voltage source and on the other To connect the floor via the conductor 15 to the negative pole of the voltage source and then, starting from this one terminal block, to carry out the voltage or current distribution to the other terminal blocks in the sequence, in each case via the cross bar 6 and the corresponding flat plug 7 of the cross connector. The positive conductors then go from the electrical connections 2 of the other terminal blocks in the sequence, for example to initiators (not shown), the return conductors from the initiators then going to the electrical connections 14 on the other floor of the other terminal blocks.

Im dargestellten Ausführungsbeispiel ist somit eine Abtrennung einzelner Reihenklemmen und damit der jeweils daran angeschlosse­nen Initiatoren sowohl in der Stromhinführung wie in der Strom­rückführung, beispielsweise zu Prüfzwecken, möglich. Es gibt Anwendungsfälle, in denen man nur eine Trennstelle entweder in der Stromhinführung oder in der Stromrückführung benötigt.In the illustrated embodiment, it is thus possible to separate individual terminal blocks and thus the initiators connected to them, both in the current feed and in the current feedback, for example for test purposes. There are applications in which only one separation point is required either in the current supply or in the current return.

Im Falle einer Initiatorklemmenanordnung kommen von den Initiatoren noch Steuersignale, die zu speziellen Signal­gebern (nicht dargestellt) geleitet werden müssen. Hierzu weisen die Reihenklemmen dann in ihren Klemmengehäusen noch einen weiteren elektrischen Anschluß 15 auf, in den der vom Initiator kommende elektrische Leiter 16 eingesteckt werden soll. Von dem elektrischen Anschluß 15 wird der Steuerstrom im Inneren der Reihenklemmen jeweils über eine Stromschiene 17 zu weite renAnschlüssen 18, 19 geführt, in die dann die zu den Signalgebern führenden elektrischen Leiter gesteckt werden können.In the case of an initiator terminal arrangement, control signals still come from the initiators, which must be routed to special signal transmitters (not shown). For this purpose, the terminal blocks then have a further electrical connection 15 in their terminal housings, into which the electrical conductor 16 coming from the initiator is to be inserted. From the electrical connection 15, the control current in the interior of the terminal blocks is in each case conducted via a conductor rail 17 to wide connections 18, 19, into which the electrical conductors leading to the signal transmitters can then be inserted.

In den Figuren 1 und 2 ist auch illustriert, daß die Klemmen­gehäuse 1 innerhalb der Anreihung mit den üblichen Rastfüßen 20 aneinander angereiht auf eine gemeinsame Tragschiene 21 aufgerastet werden können.In Figures 1 and 2 it is also illustrated that the terminal housing 1 can be snapped together on the common mounting rail 21 within the baying with the usual locking feet 20.

Claims (7)

1. Reihenklemmenanordnung, insbesondere Initiatorklemmenanordnung, bestehend aus einer Mehrzahl aneinandergereihter Reihenklemmen mit jeweils mindestens einer ein Loch (4a) aufweisenden Strom­schiene (4), sowie mit einem Querverbinder bestehend aus einer über die Reihenklemmenanordnung verlaufenden, elektrisch leitenden Querleiste (6) und von ihr zu den gelochten Strom­schienen (4) gehenden und in deren Löcher (4a) eingesteckten Flachsteckern (7), dadurch gekennzeichnet, daß die Flachstecker (7) als von der Querleiste (6) gesonderte, auf die Querleiste (6) aufsetzbare Trennstecker ausgebildet sind.1. Terminal block arrangement, in particular initiator terminal arrangement, consisting of a plurality of series terminals arranged in series, each with at least one busbar (4) having a hole (4a), and with a cross connector consisting of an electrically conductive cross bar (6) running over the series terminal arrangement and from it the flat connectors (7) going through the perforated busbars (4) and inserted into their holes (4a), characterized in that the flat connectors (7) are designed as disconnect plugs which can be placed on the crossbar (6) and are separate from the crossbar (6). 2. Reihenklemmenanordnung nach Anspruch 1, dadurch gekenn­zeichnet, daß die Flachstecker (7) elastisch aufspreizbar ausgebildet sind.2. Terminal block arrangement according to claim 1, characterized in that the tabs (7) are designed to be elastically spread. 3. Reihenklemmenanordnung nach Anspruch 2, dadurch gekenn­zeichnet, daß die Flachstecker (7) Spreizschlitze (8) auf­weisen, an deren Innenwänden Spreiznoppen (9) vorgesehen sind.3. Terminal block arrangement according to claim 2, characterized in that the tabs (7) have expansion slots (8), on the inner walls of which expanding knobs (9) are provided. 4. Reihenklemmenanordnung nach einem der Ansprüche 1 bis 3, da­durch gekennzeichnet, daß die Flachstecker (7) an ihrem oberen Ende ein Griffstück (10) aus Isolierstoff aufweisen.4. Terminal block arrangement according to one of claims 1 to 3, characterized in that the tabs (7) have at their upper end a handle (10) made of insulating material. 5. Reihenklemmenanordnung nach einem der Ansprüche 1 bis 4, da­durch gekennzeichnet, daß die Flachstecker (7) einen den eigentlichen elektrisch leitenden Flachsteckerbereich umge­benden Rahmen (11) aus Isolierstoff haben.5. Terminal block arrangement according to one of claims 1 to 4, characterized in that the tabs (7) have the actual electrically conductive tab area surrounding frame (11) made of insulating material. 6. Reihenklemmenanordnung nach einem der Ansprüche 1 bis 5, da­durch gekennzeichnet, daß die Flachstecker (7) außenseitig Rastnoppen (12) aufweisen, für die in der Innenwand der Steck­öffnungen (5) der Gehäuse (1) der Reihenklemmen Rastausneh­mungen (13) vorgesehen sind.6. Terminal block arrangement according to one of claims 1 to 5, characterized in that the tabs (7) on the outside have locking knobs (12), for which in the inner wall of the plug-in openings (5) of the housing (1) of the terminal blocks locking recesses (13) are provided . 7. Reihenklemmenanordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Reihenklemmen der Anordnung mehretagig ausgebildet sind, eine Etage nur einer Reihenklemme für die Stromzuführung von einer Spannungsquelle und eine weitere Etage nur einer Reihenklemme der Anreihung für die Stromrückführung zu einer Spannungsquelle vorgesehen ist und für die Stromverteilung in mindestens einer dieser beiden be­troffenen Etagen die Querleiste (6) sowie die dazu gesonderten, auf sie aufsetzbaren und als Trennstecker ausgebildeten Flach­stecker (7) vorgesehen sind.7. Terminal block arrangement according to one of the preceding claims, characterized in that the terminal blocks of the arrangement are designed in several tiers, a floor only one terminal block for the supply of current from a voltage source and a further floor only one terminal block of the series is provided for the current feedback to a voltage source and for the current distribution in at least one of these two floors concerned, the cross bar (6) and the separate flat plug (7) designed to be placed on it and designed as a disconnect plug are provided.
EP89108552A 1989-05-12 1989-05-12 Terminal row arrangement Expired - Lifetime EP0396808B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE58908455T DE58908455D1 (en) 1989-05-12 1989-05-12 Terminal block arrangement.
EP89108552A EP0396808B1 (en) 1989-05-12 1989-05-12 Terminal row arrangement
US07/514,212 US5071356A (en) 1989-05-12 1990-04-25 Modular terminal arrangement
JP2116969A JPH0367478A (en) 1989-05-12 1990-05-08 Series connected type terminal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89108552A EP0396808B1 (en) 1989-05-12 1989-05-12 Terminal row arrangement

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EP0396808A1 true EP0396808A1 (en) 1990-11-14
EP0396808B1 EP0396808B1 (en) 1994-09-28

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EP (1) EP0396808B1 (en)
JP (1) JPH0367478A (en)
DE (1) DE58908455D1 (en)

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US5334054A (en) * 1992-02-05 1994-08-02 C. A. Weidmuller Gmbh & Co. Apparatus for mounting a conductor terminal housing on a rail
WO1995029520A1 (en) * 1994-04-22 1995-11-02 Hölscher, Heinrich Busbar and cross connection for a series terminal
DE19532586A1 (en) * 1994-09-14 1996-03-21 Siemens Ag Rail-mounted terminal block
EP0797269A2 (en) * 1996-03-21 1997-09-24 Conrad, Gerd Cross connector for terminal blocks
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US5704805A (en) * 1995-03-31 1998-01-06 The Whitaker Corporation Connector for connection to a rail
US5816867A (en) * 1996-08-22 1998-10-06 Allen Bradley Company, Llc Curved wire spring clamp with optimized bending stress distribution
DE29901194U1 (en) 1999-01-25 1999-05-20 Weidmueller Interface Bus conductor section for an electrical device
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WO1995029520A1 (en) * 1994-04-22 1995-11-02 Hölscher, Heinrich Busbar and cross connection for a series terminal
DE19532586A1 (en) * 1994-09-14 1996-03-21 Siemens Ag Rail-mounted terminal block
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Also Published As

Publication number Publication date
JPH0367478A (en) 1991-03-22
DE58908455D1 (en) 1994-11-03
EP0396808B1 (en) 1994-09-28
US5071356A (en) 1991-12-10

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