EP3221928B1 - Terminal block - Google Patents

Terminal block Download PDF

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Publication number
EP3221928B1
EP3221928B1 EP15777968.7A EP15777968A EP3221928B1 EP 3221928 B1 EP3221928 B1 EP 3221928B1 EP 15777968 A EP15777968 A EP 15777968A EP 3221928 B1 EP3221928 B1 EP 3221928B1
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EP
European Patent Office
Prior art keywords
test plug
plug opening
conductor
connection
conductor connection
Prior art date
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Active
Application number
EP15777968.7A
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German (de)
French (fr)
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EP3221928A1 (en
Inventor
Wjatscheslaw Janzen
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.)
Phoenix Contact GmbH and Co KG
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Phoenix Contact GmbH and Co KG
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Publication of EP3221928A1 publication Critical patent/EP3221928A1/en
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Publication of EP3221928B1 publication Critical patent/EP3221928B1/en
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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
    • H01R9/2625—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component
    • H01R9/2666—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component with built-in test-points

Definitions

  • the invention relates to a terminal block, in particular a jumper terminal, which has an insulating material housing which has a first connection level and at least one second connection level, with a busbar and two oppositely arranged conductor connection units connected to the busbar in electrical contact being arranged in each connection level, with the insulating material housing at least one test plug opening is formed for receiving a test plug.
  • Terminal blocks are known in various designs, such as those in DE102011105157A1 , DE102004040859A1 , or DE 29502347 U are described. Terminal blocks are used in particular to distribute one or more potentials.
  • a terminal block designed as a jumper terminal usually has two or more than two connection levels arranged one above the other, in each of which a busbar is arranged, the ends of the busbars being connected to conductor connection units for connecting electrical conductors.
  • the terminal blocks are mostly snapped onto mounting rails, which in turn can often be arranged in a plurality in a switch cabinet.
  • the conductor connection units can be designed as screw connection terminals, tension spring connection terminals or insulation displacement terminals.
  • the terminal blocks are intended to transmit power between the individual elements of the terminal block when in operation.
  • Terminal blocks are known in which a test plug opening for inserting a corresponding test plug is formed in the insulating material housing.
  • the test plug opening enables the electrically conductive elements, such as the conductor connection units and / or the busbars, in the interior of the insulating material housing to come into contact with the test plug.
  • the test plug opening serves to guide and secure the test plug in the terminal block in order to prevent damage to the electrical elements of the terminal block.
  • the invention is therefore based on the object of providing a terminal block which, even with a reduced size, can enable a test tap by means of a test plug.
  • test plug opening is arranged between a conductor connection unit of the first connection level and a conductor connection unit of the second connection level arranged adjacent thereto.
  • the test plug opening thus now extends over two connection levels, so that a first part of the test plug opening is arranged in the area of the first connection level and a second part of the test plug opening is arranged in the area of the second connection level.
  • the test plug opening thus extends over two separate potentials. It is preferably provided that the two parts of the test plug opening are of the same size, so that the test plug opening is evenly distributed over the two connection levels.
  • the conductor connection units each have a first conductor connection area for connecting a first conductor and a second conductor connection area for connecting a second conductor
  • the test plug opening then preferably between the first conductor connection area and the second Conductor connection area is arranged.
  • the conductor connection units preferably each have a current bar and at least one leg spring for clamping a conductor inserted into the conductor connection unit against the current bar, the current bar and / or the at least one leg spring of a conductor connection unit preferably protruding into the test plug opening.
  • the conductor connection units are then preferably designed as spring-loaded terminal connections.
  • the current bar of a conductor connection unit is connected in an electrically contacting manner to the conductor rail of a connection level, so that the conductor connection unit can be contacted with the conductor rail via the current bar. If the conductor connection unit has two conductor connection areas, two leg springs are arranged in each conductor connection unit, each of which can clamp a conductor against the current bar of the conductor connection unit.
  • a test plug inserted into the test plug opening preferably makes contact with the current bar and / or the one or two leg springs of the conductor connection unit.
  • the current bar and / or one or the two leg springs protrude into the test plug opening.
  • the current bar is preferably curved in the direction of the test plug opening. Protrude the current bar and / or the one or two leg springs into the test plug opening, at least one contact point, but preferably more than one contact point, namely two or three contact points, of the conductor connection unit with the test plug inserted into the test plug opening can be formed. As a result, good contacting of a duplex test plug inserted into the test plug opening can also be reliably ensured.
  • test plug opening has a chamfered insertion area for inserting the test plug into the test plug opening.
  • the test plug opening has a diamond shape.
  • the diamond shape enables the test plug opening to be clearly defined so that the test plug opening can be easily distinguished from other openings on the terminal block. The probability of the test plug being mated incorrectly can thereby be significantly reduced, so that handling for a user can be improved.
  • a diamond-shaped test plug opening corresponds in cross section to the space required for a conventional test plug, with a simultaneous reduction in the space required for the test plug opening in the insulating material housing.
  • test plug opening it is also possible for the test plug opening to have a round, oval or polygonal shape.
  • Fig. 1 shows a terminal block 100 designed as a jumper terminal.
  • the terminal block 100 has an insulating material housing 10, with several connection levels 11a, 11b, 11c, 11d, here four connection levels 11a, 11b, 11c, 11d, arranged one above the other, being formed in the insulating material housing 10.
  • connection level 11a, 11b, 11c, 11d is respectively a conductor rail 12a, 12b, 12c, 12d and two oppositely arranged conductor connection units 13a ', 13a'',13b' that are electrically connected to the conductor rail 12a, 12b, 12c, 12d, 13b '', 13c ', 13c'',13d', 13d ''.
  • the conductor connection units 13a ′, 13a ′′, 13b ′, 13b ′′, 13c ′, 13c ′′, 13d ′, 13d ′′ can each be inserted in receiving chambers formed on the end faces of the insulating material housing 10.
  • each conductor connection unit 13a ', 13a'',13b', 13b '', 13c ', 13c'',13d', 13d '' has a current bar 14, two leg springs 15, 16 arranged next to one another, and two actuating elements 17 , 18 for actuating the torsion springs and two conductor entry openings 19, 20, as in particular in Fig. 3 and 4th is shown.
  • Two conductors (not shown here) can thus be connected per conductor connection unit 13a ', 13a ", 13b', 13b", 13c ', 13c ", 13d', 13d".
  • Each current bar 14 has a fork contact 21, by means of which the current bar 14 can contact the respective busbar 12a, 12b, 12c, 12d.
  • the conductor connection units 13a ', 13a'',13b', 13b '', 13c ', 13c'',13d', 13d '' thus each have two conductor connection areas 13aa ', 13ab', 13aa '', 13ab '', 13ba ', 13bb', 13ba '', 13bb '', 13ca ', 13cb', 13ca ", 13cb", 13da ', 13db', 13da ", 13db".
  • Each conductor connection area 13aa ', 13ab', 13aa '', 13ab '', 13ba ', 13bb', 13ba '', 13bb '', 13ca ', 13cb', 13ca '', 13cb ", 13da ', 13db', 13da", 13db '' has a leg spring 15, 16, an actuating element 17, 18 and a conductor insertion opening 19, 20, wherein a Current bar 14 of a conductor connection unit 13a ', 13a'',13b', 13b '', 13c ', 13c'',13d', 13d '' extends over two conductor connection areas 13aa ', 13ab', 13aa '', 13ab '', 13ba ' , 13bb ', 13ba ", 13bb", 13ca', 13cb ', 13ca ", 13cb", 13da', 13d
  • test plug openings 22 for inserting a test plug 200 are also formed in the insulating material housing 10.
  • Each of the test plug openings 22 extends over two adjacent connection levels 11a, 11b, 11c, 11d and is in each case between two conductor connection units 13a ', 13a ", 13b', 13b", 13c ', 13c ", 13d', 13d '' formed by connecting planes 11a, 11b, 11c, 11d arranged adjacent to one another.
  • a first part 23a of the test plug opening 22 extends over an area of a first connection level 11a, 11b, 11c, 11d and a second part 23b of the test plug opening 22 extends over an area of an adjacent second connection level 11a, 11b, 11c, 11d .
  • the test plug opening 22 thus extends over two separate potentials.
  • the two parts 23a, 23b of the test plug opening 22 are essentially the same size in the embodiment shown here, so that a test plug opening 22 is evenly distributed over the two adjacent connection levels 11a, 11b, 11c, 11d.
  • test plug openings 22 are also each between the two conductor connection areas 13aa ', 13ab', 13aa ", 13ab", 13ba ', 13bb', 13ba ", 13bb", 13ca ', 13cb', 13ca ", 13cb” , 13da ', 13db', 13da '', 13db '' one Conductor connection unit 13a ', 13a ", 13b', 13b", 13c ', 13c ", 13d', 13d".
  • the two leg springs 15, 16 and a section 14a of the busbar 14 protrude into the test plug opening 22, so that a test plug 200 inserted into the test plug opening 22 with one or both torsion springs 15, 16 and / or the current bar 14 over the Section 14a can contact, so that up to three contact points of the conductor connection unit 13a ', 13a ", 13b', 13b", 13c ', 13c ", 13d', 13d” are formed with a test plug 200 inserted into the test plug opening 22
  • test plug openings 22 each have an insertion area 24 which forms the upper edge of the test plug opening 22, this insertion area 24 being chamfered in order to facilitate the insertion of the test plug 200 into the test plug opening 22.
  • the test plug openings 22 also each have a diamond shape, the two parts 23a, 23b of the test plug opening 22 each forming a triangular shape.
  • Terminal block 100 Insulated housing 10 Connection level 11a, 11b, 11c, 11d Busbar 12a, 12b, 12c, 12d Conductor connection unit 13a ', 13a'',13b', 13b '', 13c ', 13c '', 13d ', 13d " Conductor connection area 13aa ', 13ab', 13aa '', 13ab ', 13ba ', 13bb', 13ba ", 13bb", 13ca ', 13cb', 13ca '', 13cb ', 13da ', 13db ', 13da'',13db''' Current bar 14th Section of the current bar 14a Leg spring 15, 16 Actuator 17, 18 Conductor entry opening 19, 20 Fork contact 21st Test plug opening 22nd First part of the test

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Multi-Conductor Connections (AREA)

Description

Die Erfindung betrifft eine Reihenklemme, insbesondere eine Rangierklemme, welche ein Isolierstoffgehäuse aufweist, welches eine erste Anschlussebene und mindestens eine zweite Anschlussebene aufweist, wobei in jeder Anschlussebene eine Stromschiene und zwei sich gegenüberliegend angeordnete, mit der Stromschiene elektrisch kontaktierend verbundene Leiteranschlusseinheiten angeordnet sind, wobei in dem Isolierstoffgehäuse mindestens eine Prüfsteckeröffnung zur Aufnahme eines Prüfsteckers ausgebildet ist.The invention relates to a terminal block, in particular a jumper terminal, which has an insulating material housing which has a first connection level and at least one second connection level, with a busbar and two oppositely arranged conductor connection units connected to the busbar in electrical contact being arranged in each connection level, with the insulating material housing at least one test plug opening is formed for receiving a test plug.

Reihenklemmen sind in verschiedenen Bauformen bekannt, wie sie beispielsweise in DE102011105157A1 , DE102004040859A1 , oder DE 29502347 U beschrieben sind. Reihenklemmen dienen insbesondere zur Verteilung eines oder mehrerer Potentiale. Eine als Rangierklemme ausgebildete Reihenklemme weist üblicherweise zwei oder mehr als zwei übereinander angeordnete Anschlussebenen auf, in welchen jeweils eine Stromschiene angeordnet ist, wobei die Enden der Stromschienen jeweils mit Leiteranschlusseinheiten zum Anschluss von elektrischen Leitern verbunden sind. Die Reihenklemmen werden meist auf Tragschienen aufgerastet, welche ihrerseits häufig in einer Mehrzahl in einem Schaltschrank angeordnet werden können. Die Leiteranschlusseinheiten können als Schraubanschlussklemmen, Zugfederanschlussklemmen oder Schneidanschlussklemmen ausgebildet sein.Terminal blocks are known in various designs, such as those in DE102011105157A1 , DE102004040859A1 , or DE 29502347 U are described. Terminal blocks are used in particular to distribute one or more potentials. A terminal block designed as a jumper terminal usually has two or more than two connection levels arranged one above the other, in each of which a busbar is arranged, the ends of the busbars being connected to conductor connection units for connecting electrical conductors. The terminal blocks are mostly snapped onto mounting rails, which in turn can often be arranged in a plurality in a switch cabinet. The conductor connection units can be designed as screw connection terminals, tension spring connection terminals or insulation displacement terminals.

Die Reihenklemmen sollen bei Betrieb Strom zwischen den einzelnen Elementen der Reihenklemme übertragen. Um die ordnungsgemäße Funktionsfähigkeit der Stromübertragung zu prüfen und ggf. eine fehlerhafte Verdrahtung zu detektieren sind Reihenklemmen bekannt, bei denen im Isolierstoffgehäuse eine Prüfsteckeröffnung zum Einstecken eines entsprechenden Prüfsteckers ausgebildet ist. Die Prüfsteckeröffnung ermöglicht zum einen das Kontaktieren der elektrisch leitenden Elemente, wie der Leiteranschlusseinheiten und/oder der Stromschienen, im Inneren des Isolierstoffgehäuses mit dem Prüfstecker. Zum anderen dient die Prüfsteckeröffnung der Führung und der sicheren Fixierung des Prüfsteckers in der Reihenklemme, um Beschädigungen an den elektrischen Elementen der Reihenklemme zu verhindern.The terminal blocks are intended to transmit power between the individual elements of the terminal block when in operation. In order to check the correct functionality of the power transmission and, if necessary, to detect faulty wiring Terminal blocks are known in which a test plug opening for inserting a corresponding test plug is formed in the insulating material housing. On the one hand, the test plug opening enables the electrically conductive elements, such as the conductor connection units and / or the busbars, in the interior of the insulating material housing to come into contact with the test plug. On the other hand, the test plug opening serves to guide and secure the test plug in the terminal block in order to prevent damage to the electrical elements of the terminal block.

Mit der insgesamt zunehmenden Miniaturisierung von elektrischen Geräten und elektrischen Anlagen wird auch eine zunehmende Verkleinerung der Schaltschränke gewünscht. Da darüber hinaus immer mehr elektrische Geräte und Anlagen miteinander verdrahtet werden müssen, wird der zur Verfügung stehende Platz für die elektrischen Reihenklemmen im Schaltschrank zusätzlich verringert. Daher besteht ein zunehmendes Bedürfnis nach Reihenklemmen, die eine sehr kompakte Bauweise, d. h. nur eine sehr geringe Breite und kleine Länge, aufweisen.With the overall increasing miniaturization of electrical devices and electrical systems, an increasing downsizing of the control cabinets is desired. Since more and more electrical devices and systems have to be wired together, the space available for the electrical terminal blocks in the control cabinet is also reduced. Therefore, there is an increasing need for terminal blocks that have a very compact design, i.e. H. only have a very small width and small length.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Reihenklemme zur Verfügung zu stellen, die auch bei einer reduzierten Baugröße einen Prüfabgriff mittels eines Prüfsteckers ermöglichen kann.The invention is therefore based on the object of providing a terminal block which, even with a reduced size, can enable a test tap by means of a test plug.

Die Lösung der erfindungsgemäßen Aufgabe erfolgt mit den Merkmalen des Anspruchs 1. Zweckmäßige Ausgestaltungen und vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.The object according to the invention is achieved with the features of claim 1. Expedient configurations and advantageous developments of the invention are specified in the subclaims.

Bei einer Reihenklemme der eingangs näher bezeichneten Art wird diese Aufgabe erfindungsgemäß dadurch gelöst, dass die Prüfsteckeröffnung zwischen einer Leiteranschlusseinheit der ersten Anschlussebene und einer benachbart dazu angeordneten Leiteranschlusseinheit der zweiten Anschlussebene angeordnet ist.In the case of a series terminal of the type specified in the introduction, this object is achieved according to the invention in that the test plug opening is arranged between a conductor connection unit of the first connection level and a conductor connection unit of the second connection level arranged adjacent thereto.

Die Prüfsteckeröffnung erstreckt sich somit nunmehr über zwei Anschlussebenen hinweg, so dass ein erster Teil der Prüfsteckeröffnung im Bereich der ersten Anschlussebene und ein zweiter Teil der Prüfsteckeröffnung im Bereich der zweiten Anschlussebene angeordnet ist. Die Prüfsteckeröffnung erstreckt sich somit über zwei voneinander getrennte Potentiale. Vorzugsweise ist es dabei vorgesehen, dass die beiden Teile der Prüfsteckeröffnung gleich groß ausgebildet sind, so dass sich die Prüfsteckeröffnung gleichmäßig auf die beiden Anschlussebenen verteilt. Durch die Aufteilung der Prüfsteckeröffnung auf zwei Anschlussebenen kann der für die Prüfsteckeröffnung notwendige Bauraum wesentlich reduziert werden, so dass die Baugröße der gesamten Reihenklemme wesentlich reduziert werden kann, ohne dabei die Größe der Prüfsteckeröffnung selber reduzieren zu müssen, so dass trotz der reduzierten Baugröße Prüfstecker mit herkömmlichen Abmessungen verwendet werden können.The test plug opening thus now extends over two connection levels, so that a first part of the test plug opening is arranged in the area of the first connection level and a second part of the test plug opening is arranged in the area of the second connection level. The test plug opening thus extends over two separate potentials. It is preferably provided that the two parts of the test plug opening are of the same size, so that the test plug opening is evenly distributed over the two connection levels. By dividing the test plug opening over two connection levels, the installation space required for the test plug opening can be significantly reduced, so that the size of the entire terminal block can be significantly reduced without having to reduce the size of the test plug opening itself, so that despite the reduced size test plug with conventional dimensions can be used.

Bevorzugt ist es vorgesehen, dass die Leiteranschlusseinheiten jeweils einen ersten Leiteranschlussbereich zum Anschließen eines ersten Leiters und einen zweiten Leiteranschlussbereich zum Anschließen eines zweiten Leiters aufweisen, wobei die Prüfsteckeröffnung dann vorzugsweise zwischen dem ersten Leiteranschlussbereich und dem zweiten Leiteranschlussbereich angeordnet ist. Durch die Anordnung der Prüfsteckeröffnung zwischen den zwei Leiteranschlussbereichen kann der notwendige Platzbedarf für die Prüfsteckeröffnung weiter reduziert werden, wodurch eine Vergrößerung der Baugröße der Reihenklemme bei zwei Leiteranschlussbereichen pro Leiteranschlusseinheit gegenüber derartigen Reihenklemmen ohne Prüfsteckeröffnung nicht notwendig ist.It is preferably provided that the conductor connection units each have a first conductor connection area for connecting a first conductor and a second conductor connection area for connecting a second conductor, the test plug opening then preferably between the first conductor connection area and the second Conductor connection area is arranged. By arranging the test plug opening between the two conductor connection areas, the space required for the test plug opening can be further reduced, whereby an increase in the size of the terminal block with two conductor connection areas per conductor connection unit is not necessary compared to such terminal blocks without a test plug opening.

Die Leiteranschlusseinheiten weisen vorzugsweise jeweils einen Strombalken und mindestens eine Schenkelfeder zum Klemmen eines in die Leiteranschlusseinheit eingeführten Leiters gegen den Strombalken auf, wobei der Strombalken und/oder die mindestens eine Schenkelfeder einer Leiteranschlusseinheit bevorzugt in die Prüfsteckeröffnung hinein ragt. Die Leiteranschlusseinheiten sind dann bevorzugt als Federkraftklemmanschlüsse ausgebildet. Der Strombalken einer Leiteranschlusseinheit ist elektrisch kontaktierend mit der Stromschiene einer Anschlussebene verbunden, so dass über den Strombalken die Kontaktierung der Leiteranschlusseinheit mit der Stromschiene ausgebildet werden kann. Weist die Leiteranschlusseinheit zwei Leiteranschlussbereiche auf, so sind in jeder Leiteranschlusseinheit zwei Schenkelfedern angeordnet, die jeweils einen Leiter gegen den Strombalken der Leiteranschlusseinheit klemmen können. Ein in die Prüfsteckeröffnung eingeführter Prüfstecker kontaktiert vorzugsweise mit dem Strombalken und/oder der einen oder den zwei Schenkelfedern der Leiteranschlusseinheit. Um dies zu ermöglichen, ragen der Strombalken und/oder die eine oder die zwei Schenkelfedern in die Prüfsteckeröffnung hinein. Der Strombalken ist hierfür vorzugsweise in Richtung der Prüfsteckeröffnung gebogen ausgebildet. Ragen der Strombalken und/oder die eine oder die zwei Schenkelfedern in die Prüfsteckeröffnung hinein, kann mindestens ein Kontaktpunkt, vorzugsweise aber mehr als ein Kontaktpunkt, nämlich zwei oder drei Kontaktpunkte, der Leiteranschlusseinheit mit dem in die Prüfsteckeröffnung eingeführten Prüfstecker ausgebildet werden. Dadurch kann auch eine gute Kontaktierung eines in die Prüfsteckeröffnung eingeführten Duspol-Prüfsteckers sicher gewährleistet werden.The conductor connection units preferably each have a current bar and at least one leg spring for clamping a conductor inserted into the conductor connection unit against the current bar, the current bar and / or the at least one leg spring of a conductor connection unit preferably protruding into the test plug opening. The conductor connection units are then preferably designed as spring-loaded terminal connections. The current bar of a conductor connection unit is connected in an electrically contacting manner to the conductor rail of a connection level, so that the conductor connection unit can be contacted with the conductor rail via the current bar. If the conductor connection unit has two conductor connection areas, two leg springs are arranged in each conductor connection unit, each of which can clamp a conductor against the current bar of the conductor connection unit. A test plug inserted into the test plug opening preferably makes contact with the current bar and / or the one or two leg springs of the conductor connection unit. In order to make this possible, the current bar and / or one or the two leg springs protrude into the test plug opening. For this purpose, the current bar is preferably curved in the direction of the test plug opening. Protrude the current bar and / or the one or two leg springs into the test plug opening, at least one contact point, but preferably more than one contact point, namely two or three contact points, of the conductor connection unit with the test plug inserted into the test plug opening can be formed. As a result, good contacting of a duplex test plug inserted into the test plug opening can also be reliably ensured.

Um das Einführen eines Prüfsteckers in die Prüfsteckeröffnung zu erleichtern, ist es weiter bevorzugt vorgesehen, dass die Prüfsteckeröffnung einen angefasten Einführungsbereich zum Einführen des Prüfsteckers in die Prüfsteckeröffnung aufweist.In order to facilitate the insertion of a test plug into the test plug opening, it is further preferred that the test plug opening has a chamfered insertion area for inserting the test plug into the test plug opening.

Besonders bevorzugt ist es ferner vorgesehen, dass die Prüfsteckeröffnung eine Rautenform aufweist. Die Rautenform ermöglicht eine eindeutige Definierung der Prüfsteckeröffnung, so dass die Prüfsteckeröffnung von anderen Öffnungen an der Reihenklemme gut unterschieden werden kann. Die Wahrscheinlichkeit eines Fehlsteckens des Prüfsteckers kann dadurch wesentlich reduziert werden, so dass die Handhabung für einen Benutzer verbessert werden kann. Eine rautenförmige Prüfsteckeröffnung entspricht vom Querschnitt dem für einen herkömmlichen Prüfstecker notwendigen Platz, bei einer gleichzeitigen Reduzierung des notwendigen Platzes für die Prüfsteckeröffnung in dem Isolierstoffgehäuse.It is also particularly preferably provided that the test plug opening has a diamond shape. The diamond shape enables the test plug opening to be clearly defined so that the test plug opening can be easily distinguished from other openings on the terminal block. The probability of the test plug being mated incorrectly can thereby be significantly reduced, so that handling for a user can be improved. A diamond-shaped test plug opening corresponds in cross section to the space required for a conventional test plug, with a simultaneous reduction in the space required for the test plug opening in the insulating material housing.

Alternativ ist es jedoch auch möglich, dass die Prüfsteckeröffnung eine runde, ovale oder mehreckige Form aufweist.Alternatively, however, it is also possible for the test plug opening to have a round, oval or polygonal shape.

Nachfolgend wird die Erfindung unter Bezugnahme auf die anliegenden Zeichnungen anhand einer bevorzugten Ausführungsform näher erläutert.The invention is explained in more detail below with reference to the accompanying drawings using a preferred embodiment.

Es zeigen:

Fig. 1
eine schematische perspektivische Darstellung einer Reihenklemme gemäß der Erfindung,
Fig. 2
eine schematische perspektivische Darstellung eines Detailausschnitts der in Fig. 1 gezeigten Reihenklemme,
Fig. 3
eine schematische Draufsicht auf den in Fig. 2 gezeigten Detailausschnitt der in Fig. 1 gezeigten Reihenklemme,
Fig. 4
eine schematische Schnittdarstellung entlang zwei zueinander benachbarter Leiteranschlusseinheiten von zwei verschiedenen Anschlussebenen der in Fig. 1 gezeigten Reihenklemme, und
Fig. 5
die in Fig. 4 gezeigte Schnittdarstellung mit einem in die Prüfsteckeröffnung eingeführten Prüfstecker.
Show it:
Fig. 1
a schematic perspective view of a terminal block according to the invention,
Fig. 2
a schematic perspective illustration of a detail of the in Fig. 1 terminal block shown,
Fig. 3
a schematic plan view of the in Fig. 2 detail of the in Fig. 1 terminal block shown,
Fig. 4
a schematic sectional illustration along two mutually adjacent conductor connection units of two different connection levels of the FIG Fig. 1 terminal block shown, and
Fig. 5
in the Fig. 4 Shown sectional view with a test plug inserted into the test plug opening.

Fig. 1 zeigt eine als Rangierklemme ausgebildete Reihenklemme 100. Die Reihenklemme 100 weist ein Isolierstoffgehäuse 10 auf, wobei in dem Isolierstoffgehäuse 10 mehrere übereinander angeordnete Anschlussebenen 11a, 11b, 11c, 11d, hier vier Anschlussebenen 11a, 11b, 11c, 11d, ausgebildet sind. In jeder Anschlussebene 11a, 11b, 11c, 11d sind jeweils eine Stromschiene 12a, 12b, 12c, 12d und zwei sich gegenüberliegend angeordnete, mit der Stromschiene 12a, 12b, 12c, 12d elektrisch kontaktierend verbundene Leiteranschlusseinheiten 13a', 13a'', 13b', 13b'', 13c', 13c'', 13d', 13d'' angeordnet. Die Leiteranschlusseinheiten 13a', 13a", 13b', 13b", 13c', 13c", 13d', 13d" können jeweils in an den Stirnseitenflächen des Isolierstoffgehäuses 10 ausgebildete Aufnahmekammern eingesetzt sein. Fig. 1 shows a terminal block 100 designed as a jumper terminal. The terminal block 100 has an insulating material housing 10, with several connection levels 11a, 11b, 11c, 11d, here four connection levels 11a, 11b, 11c, 11d, arranged one above the other, being formed in the insulating material housing 10. In each connection level 11a, 11b, 11c, 11d is respectively a conductor rail 12a, 12b, 12c, 12d and two oppositely arranged conductor connection units 13a ', 13a'',13b' that are electrically connected to the conductor rail 12a, 12b, 12c, 12d, 13b '', 13c ', 13c'',13d', 13d ''. The conductor connection units 13a ′, 13a ″, 13b ′, 13b ″, 13c ′, 13c ″, 13d ′, 13d ″ can each be inserted in receiving chambers formed on the end faces of the insulating material housing 10.

Bei der hier gezeigten Ausgestaltung weist jede Leiteranschlusseinheit 13a', 13a'', 13b', 13b'', 13c', 13c'', 13d', 13d'' einen Strombalken 14, zwei nebeneinander angeordnete Schenkelfedern 15, 16, zwei Betätigungselemente 17, 18 zum Betätigen der Schenkelfedern und zwei Leitereinführungsöffnungen 19, 20 auf, wie insbesondere in Fig. 3 und 4 gezeigt ist. Pro Leiteranschlusseinheit 13a', 13a", 13b', 13b", 13c', 13c", 13d', 13d" können somit zwei hier nicht gezeigte Leiter angeschlossen werden. Jeder Strombalken 14 weist einen Gabelkontakt 21 auf, mittels welchem der Strombalken 14 mit der jeweiligen Stromschiene 12a, 12b, 12c, 12d kontaktieren kann.In the embodiment shown here, each conductor connection unit 13a ', 13a'',13b', 13b '', 13c ', 13c'',13d', 13d '' has a current bar 14, two leg springs 15, 16 arranged next to one another, and two actuating elements 17 , 18 for actuating the torsion springs and two conductor entry openings 19, 20, as in particular in Fig. 3 and 4th is shown. Two conductors (not shown here) can thus be connected per conductor connection unit 13a ', 13a ", 13b', 13b", 13c ', 13c ", 13d', 13d". Each current bar 14 has a fork contact 21, by means of which the current bar 14 can contact the respective busbar 12a, 12b, 12c, 12d.

Die Leiteranschlusseinheiten 13a', 13a'', 13b', 13b'', 13c', 13c'', 13d', 13d'' weisen hier somit jeweils zwei Leiteranschlussbereiche 13aa',13ab', 13aa'', 13ab'', 13ba', 13bb', 13ba'', 13bb'', 13ca', 13cb', 13ca", 13cb'', 13da', 13db', 13da'', 13db'' auf. Jeder Leiteranschlussbereich 13aa',13ab', 13aa'', 13ab'', 13ba', 13bb', 13ba'', 13bb'', 13ca', 13cb', 13ca'', 13cb", 13da', 13db', 13da'', 13db'' weist eine Schenkelfeder 15, 16, ein Betätigungselement 17, 18 und eine Leitereinführungsöffnung 19, 20 auf, wobei ein Strombalken 14 einer Leiteranschlusseinheit 13a', 13a'', 13b', 13b'', 13c', 13c", 13d', 13d'' sich über zwei Leiteranschlussbereiche 13aa',13ab', 13aa'', 13ab'', 13ba', 13bb', 13ba", 13bb'', 13ca', 13cb', 13ca'', 13cb'', 13da', 13db', 13da'', 13db" erstreckt.The conductor connection units 13a ', 13a'',13b', 13b '', 13c ', 13c'',13d', 13d '' thus each have two conductor connection areas 13aa ', 13ab', 13aa '', 13ab '', 13ba ', 13bb', 13ba '', 13bb '', 13ca ', 13cb', 13ca ", 13cb", 13da ', 13db', 13da ", 13db". Each conductor connection area 13aa ', 13ab', 13aa '', 13ab '', 13ba ', 13bb', 13ba '', 13bb '', 13ca ', 13cb', 13ca '', 13cb ", 13da ', 13db', 13da", 13db '' has a leg spring 15, 16, an actuating element 17, 18 and a conductor insertion opening 19, 20, wherein a Current bar 14 of a conductor connection unit 13a ', 13a'',13b', 13b '', 13c ', 13c'',13d', 13d '' extends over two conductor connection areas 13aa ', 13ab', 13aa '', 13ab '', 13ba ' , 13bb ', 13ba ", 13bb", 13ca', 13cb ', 13ca ", 13cb", 13da', 13db ', 13da ", 13db".

In dem Isolierstoffgehäuse 10 sind ferner mehrere Prüfsteckeröffnungen 22 zum Einführen eines Prüfsteckers 200 ausgebildet. Jede der Prüfsteckeröffnungen 22 erstreckt sich dabei über zwei zueinander benachbart angeordnete Anschlussebenen 11a, 11b, 11c, 11d und ist jeweils zwischen zwei Leiteranschlusseinheiten 13a', 13a", 13b', 13b'', 13c', 13c'', 13d', 13d'' von benachbart zueinander angeordneten Anschlussebenen 11a, 11b, 11c, 11d ausgebildet.A plurality of test plug openings 22 for inserting a test plug 200 are also formed in the insulating material housing 10. Each of the test plug openings 22 extends over two adjacent connection levels 11a, 11b, 11c, 11d and is in each case between two conductor connection units 13a ', 13a ", 13b', 13b", 13c ', 13c ", 13d', 13d '' formed by connecting planes 11a, 11b, 11c, 11d arranged adjacent to one another.

Wie insbesondere in Fig. 3 zu erkennen ist, erstreckt sich ein erster Teil 23a der Prüfsteckeröffnung 22 über einen Bereich einer ersten Anschlussebene 11a, 11b, 11c, 11d und ein zweiter Teil 23b der Prüfsteckeröffnung 22 über einen Bereich einer dazu benachbarten, zweiten Anschlussebene 11a, 11b, 11c, 11d. Die Prüfsteckeröffnung 22 erstreckt sich somit über zwei voneinander getrennte Potentiale. Die beiden Teile 23a, 23b der Prüfsteckeröffnung 22 sind bei der hier gezeigten Ausgestaltung im Wesentlichen gleich groß ausgebildet, so dass sich eine Prüfsteckeröffnung 22 gleichmäßig auf die zwei zueinander benachbarten Anschlussebenen 11a, 11b, 11c, 11d verteilt.As in particular in Fig. 3 As can be seen, a first part 23a of the test plug opening 22 extends over an area of a first connection level 11a, 11b, 11c, 11d and a second part 23b of the test plug opening 22 extends over an area of an adjacent second connection level 11a, 11b, 11c, 11d . The test plug opening 22 thus extends over two separate potentials. The two parts 23a, 23b of the test plug opening 22 are essentially the same size in the embodiment shown here, so that a test plug opening 22 is evenly distributed over the two adjacent connection levels 11a, 11b, 11c, 11d.

Die Prüfsteckeröffnungen 22 sind zudem jeweils zwischen den beiden Leiteranschlussbereichen 13aa',13ab', 13aa'', 13ab'', 13ba', 13bb', 13ba", 13bb'', 13ca', 13cb', 13ca'', 13cb'', 13da', 13db', 13da'', 13db'' einer Leiteranschlusseinheit 13a', 13a'', 13b', 13b'', 13c', 13c'', 13d', 13d'' ausgebildet.The test plug openings 22 are also each between the two conductor connection areas 13aa ', 13ab', 13aa ", 13ab", 13ba ', 13bb', 13ba ", 13bb", 13ca ', 13cb', 13ca ", 13cb" , 13da ', 13db', 13da '', 13db '' one Conductor connection unit 13a ', 13a ", 13b', 13b", 13c ', 13c ", 13d', 13d".

Wie insbesondere in Fig. 4 und 5 zu erkennen ist, ragen die beiden Schenkelfedern 15, 16 und ein Abschnitt 14a der Stromschiene 14 in die Prüfsteckeröffnung 22 hinein, so dass ein in die Prüfsteckeröffnung 22 eingeführter Prüfstecker 200 mit einer oder beiden Schenkelfedern 15, 16 und/oder dem Strombalken 14 über den Abschnitt 14a kontaktieren kann, so dass bis zu drei Kontaktpunkte der Leiteranschlusseinheit 13a', 13a'', 13b', 13b'', 13c', 13c'', 13d', 13d" mit einem in die Prüfsteckeröffnung 22 eingeführten Prüfstecker 200 ausgebildet werden können. Dabei ragen die eine oder die beiden Schenkelfedern 15, 16 und/oder der Strombalken 14 der auf der unteren, ersten Anschlussebene 11a, 11b, 11c, 11d der zwei benachbart zueinander angeordneten Anschlussebenen 11a, 11b, 11c, 11d angeordneten Leiteranschlusseinheit 13a', 13a'', 13b', 13b", 13c', 13c'', 13d', 13d'' in die Prüfsteckeröffnung 22 hinein.As in particular in Figures 4 and 5 can be seen, the two leg springs 15, 16 and a section 14a of the busbar 14 protrude into the test plug opening 22, so that a test plug 200 inserted into the test plug opening 22 with one or both torsion springs 15, 16 and / or the current bar 14 over the Section 14a can contact, so that up to three contact points of the conductor connection unit 13a ', 13a ", 13b', 13b", 13c ', 13c ", 13d', 13d" are formed with a test plug 200 inserted into the test plug opening 22 The one or the two leg springs 15, 16 and / or the current bar 14 of the conductor connection unit 13a 'arranged on the lower, first connection plane 11a, 11b, 11c, 11d of the two connection planes 11a, 11b, 11c, 11d arranged adjacent to one another protrude. , 13a ", 13b ', 13b", 13c', 13c ", 13d ', 13d" into the test plug opening 22.

Wie ferner in Fig. 2 und 3 zu erkennen ist, weisen die Prüfsteckeröffnungen 22 jeweils einen Einführungsbereich 24 auf, der den oberen Rand der Prüfsteckeröffnung 22 ausbildet, wobei dieser Einführungsbereich 24 angefast ausgebildet ist, um das Einführen des Prüfsteckers 200 in die Prüfsteckeröffnung 22 zu erleichtern.As also in Figs. 2 and 3 As can be seen, the test plug openings 22 each have an insertion area 24 which forms the upper edge of the test plug opening 22, this insertion area 24 being chamfered in order to facilitate the insertion of the test plug 200 into the test plug opening 22.

Die Prüfsteckeröffnungen 22 weisen ferner jeweils eine Rautenform auf, wobei die beiden Teile 23a, 23b der Prüfsteckeröffnung 22 jeweils eine Dreiecksform ausbilden. Bezugszeichenliste Reihenklemme 100 Isolierstoffgehäuse 10 Anschlussebene 11a, 11b, 11c, 11d Stromschiene 12a, 12b, 12c, 12d Leiteranschlusseinheit 13a', 13a'', 13b', 13b'', 13c', 13c'', 13d', 13d" Leiteranschlussbereich 13aa',13ab', 13aa'', 13ab'', 13ba', 13bb', 13ba", 13bb", 13ca', 13cb', 13ca'', 13cb'', 13da', 13db', 13da'', 13db'' Strombalken 14 Abschnitt des Strombalkens 14a Schenkelfeder 15, 16 Betätigungselement 17, 18 Leitereinführungsöffnung 19, 20 Gabelkontakt 21 Prüfsteckeröffnung 22 Erster Teil der Prüfsteckeröffnung 23a Zweiter Teil der Prüfsteckeröffnung 23b Einführungsbereich 24 Prüfstecker 200 The test plug openings 22 also each have a diamond shape, the two parts 23a, 23b of the test plug opening 22 each forming a triangular shape. List of reference symbols Terminal block 100 Insulated housing 10 Connection level 11a, 11b, 11c, 11d Busbar 12a, 12b, 12c, 12d Conductor connection unit 13a ', 13a'',13b', 13b '', 13c ', 13c '', 13d ', 13d " Conductor connection area 13aa ', 13ab', 13aa '', 13ab '', 13ba ', 13bb', 13ba ", 13bb", 13ca ', 13cb', 13ca '', 13cb '', 13da ', 13db ', 13da'',13db'' Current bar 14th Section of the current bar 14a Leg spring 15, 16 Actuator 17, 18 Conductor entry opening 19, 20 Fork contact 21st Test plug opening 22nd First part of the test plug opening 23a Second part of the test plug opening 23b Introductory area 24 Test plug 200

Claims (5)

  1. Terminal block (100), comprising
    an insulating-material housing (10) which has a first connection plane (11a, 11b, 11c, 11d) and at least one second connection plane (11a, 11b, 11c, 11d),
    wherein a busbar (12a, 12b, 12c, 12d) and two conductor connection units (13a', 13a", 13b', 13b", 13c', 13c", 13d', 13d''), which are arranged opposite one another and are connected to the busbar (12a, 12b, 12c, 12d) in an electrically contact-making manner, are arranged in each connection plane (11a, 11b, 11c, 11d), wherein at least one test plug opening (22) for receiving a test plug (200) is formed in the insulating-material housing (10), wherein the test plug opening (22) is arranged between a conductor connection unit (13a', 13a'', 13b', 13b'', 13c', 13c", 13d', 13d'') of the first connection plane (11a, 11b, 11c, 11d) and a conductor connection unit (13a', 13a", 13b', 13b", 13c', 13c", 13d', 13d") of the second connection plane (11a, 11b, 11c, 11d), which conductor connection unit is arranged adjacent to the said conductor connection unit,
    characterized in that, owing to the extension of the test plug opening (22) beyond the first connection plane (11a, 11b, 11c, 11d) and beyond the second connection plane (11a, 11b, 11c, 11d), a first portion (23a) of the test plug opening (22) is arranged in the region of the first connection plane (11a, 11b, 11c, 11d) and a second portion (23b) of the test plug opening (22) is arranged in the region of the second connection plane (11a, 11b, 11c, 11d), so that the test plug opening (22) extends over two potentials which are separate from one another.
  2. Terminal block (100) according to Claim 1,
    characterized in that the conductor connection units (13a', 13a", 13b', 13b", 13c', 13c", 13d', 13d") each have a first conductor connection region (13aa', 13ab', 13aa", 13ab", 13ba', 13bb', 13ba", 13bb", 13ca', 13cb', 13ca", 13cb", 13da', 13db', 13da", 13db") for connection of a first conductor and a second conductor connection region (13aa', 13ab', 13aa'', 13ab'', 13ba', 13bb', 13ba", 13bb", 13ca', 13cb', 13ca", 13cb", 13da', 13db', 13da", 13db") for connection of a second conductor, wherein the test plug opening (22) is arranged between the first conductor connection region (13aa', 13ab', 13aa", 13ab", 13ba', 13bb', 13ba", 13bb", 13ca', 13cb', 13ca", 13cb", 13da', 13db', 13da", 13db") and the second conductor connection region (13aa', 13ab', 13aa", 13ab", 13ba', 13bb', 13ba", 13bb", 13ca', 13cb', 13ca", 13cb", 13da', 13db', 13da", 13db").
  3. Terminal block (100) according to Claim 1 or 2,
    characterized in that the conductor connection units (13a', 13a", 13b', 13b", 13c', 13c", 13d', 13d") each have a current bar (14) and at least one leg spring (15, 16) for clamping a conductor, which is inserted into a conductor connection unit (13a', 13a", 13b', 13b", 13c', 13c", 13d', 13d"), against the current bar (14), wherein the current bar (14) and/or the at least one leg spring (15, 16) of a conductor connection unit (13a', 13a", 13b', 13b", 13c', 13c", 13d', 13d") protrudes into the test plug opening (22).
  4. Terminal block (100) according to one of Claims 1 to 3, characterized in that the test plug opening (22) has a bevelled insertion region (24) for insertion of the test plug (200) into the test plug opening (22).
  5. Terminal block (100) according to one of Claims 1 to 4, characterized in that the test plug opening (22) has a diamond shape.
EP15777968.7A 2014-11-18 2015-10-12 Terminal block Active EP3221928B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014116811.9A DE102014116811A1 (en) 2014-11-18 2014-11-18 terminal
PCT/EP2015/073555 WO2016078832A1 (en) 2014-11-18 2015-10-12 Terminal block

Publications (2)

Publication Number Publication Date
EP3221928A1 EP3221928A1 (en) 2017-09-27
EP3221928B1 true EP3221928B1 (en) 2021-01-06

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EP15777968.7A Active EP3221928B1 (en) 2014-11-18 2015-10-12 Terminal block

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EP (1) EP3221928B1 (en)
JP (1) JP6457651B2 (en)
CN (1) CN107078417B (en)
DE (1) DE102014116811A1 (en)
WO (1) WO2016078832A1 (en)

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Also Published As

Publication number Publication date
JP2017534165A (en) 2017-11-16
CN107078417A (en) 2017-08-18
JP6457651B2 (en) 2019-01-23
EP3221928A1 (en) 2017-09-27
WO2016078832A1 (en) 2016-05-26
DE102014116811A1 (en) 2016-05-19
CN107078417B (en) 2019-12-13

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