EP1894281B1 - Protected plug socket for distribution devices in telecommunications and data technology - Google Patents

Protected plug socket for distribution devices in telecommunications and data technology Download PDF

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Publication number
EP1894281B1
EP1894281B1 EP06754344A EP06754344A EP1894281B1 EP 1894281 B1 EP1894281 B1 EP 1894281B1 EP 06754344 A EP06754344 A EP 06754344A EP 06754344 A EP06754344 A EP 06754344A EP 1894281 B1 EP1894281 B1 EP 1894281B1
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EP
European Patent Office
Prior art keywords
contact
clamping
contacts
protective
insertion aid
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Application number
EP06754344A
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German (de)
French (fr)
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EP1894281A1 (en
Inventor
Heiko Neumetzler
Martin Beetz
Manfred Müller
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TE Connectivity Germany GmbH
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ADC GmbH
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Priority to PL06754344T priority Critical patent/PL1894281T3/en
Publication of EP1894281A1 publication Critical patent/EP1894281A1/en
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Publication of EP1894281B1 publication Critical patent/EP1894281B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/06—Mounting arrangements for a plurality of overvoltage arresters

Definitions

  • the invention relates to a protective plug for distribution devices of telecommunications and data technology.
  • Protection plugs for distribution devices serve to protect against overvoltages and / or surges.
  • the surge arresters are contacted at their contact points by clamping pressure, which are provided in cup-shaped bulges of a plastic plate compression springs which press the recessed at the end of the right end contact strip against the surge arresters and clamped the surge with it at the same time with their lower side contacts to the metal strips also bent here press down.
  • a protective plug for connection to a contact member in a distributor of a telecommunications, in particular telephone system, known with surge arresters and current fuses, are connected to each other via the contact component and outgoing lines, wherein the contact member is provided with paired opposite contact springs, of which one with one of the incoming and the other is connected to one of the outgoing line wires, and having contact zones at their free ends, with which corresponding plug-in contact surfaces of the protective plug are contacted, wherein the contact surfaces are formed on contact parts, the contact surfaces with the ends of the Connect current fuse and one end of the surge arrester, wherein the protective plug for each one of the contact springs of a pair of contact springs has two separate contact surfaces of different nature, with a contact zone de Contact spring are contactable, that the two separate contact surfaces are formed on two separate contact parts, of which a contact part leads to the surge and the other contact part for current protection, and that in one of the two contact parts, the contact surface bearing end is resiliently deflectable.
  • the advantage of all said protective plug is that the protective elements are interchangeable, whereas typically in designs with printed circuit boards, the protective elements are soldered.
  • a disadvantage of the known protective connectors is that these are relatively expensive to manufacture, especially because of the resilient elements.
  • Another disadvantage is that the assembly or disassembly of individual protection elements is difficult. In particular, when the protective elements have contact legs, as in the DE 31 13 759 A1 It must be ensured that they are evenly contacted.
  • the invention is therefore based on the technical problem of providing a protective plug, in which the protective elements can be easily and reliably mounted or dismantled and which is simple in construction.
  • the protective element is connected to an insertion aid, which consists of an electrically non-conductive material, wherein the insertion aid has at least one receptacle for the contact legs, in which the contact legs are mechanically fixed, wherein the insertion aid is fixed between the terminal contacts and / or elements of the housing ,
  • the plug-in allows a simultaneous contacting of all contact legs of the protective element, whereby the contact legs against a Nachgoritorymind ist can not be damaged or bent.
  • the plug-in helps to ensure that the contact legs are always contacted exactly, so that mishaps are avoided.
  • the plug-in aid remains in the protective plug together with the protective element and ensures that the protective element can not come loose again. Furthermore, the protective element can be disassembled without damage again by the insertion aid.
  • the insertion aid and the housing of the protective plug are preferably made of plastic.
  • the terminal contacts are preferably designed as fork contacts.
  • the contact elements are preferably injected into the housing. Further preferably, all contact elements and optionally further contacts are formed from a one-piece part and sprayed. Then then through holes the necessary insulation between the contact elements produced.
  • the contact elements are preferably made of a copper alloy.
  • the receptacles of the insertion aid are preferably formed as holes, wherein more preferably each contact leg is associated with a hole.
  • the protective element has a third contact leg, a third clamping contact being arranged between the two first clamping contacts, which is connected to the third contact leg, wherein the third clamping contact is connected to a terminal rail, which is preferably connected in one piece to the third terminal contact or terminals . is trained.
  • the protective element is preferably designed as a surge arrester.
  • the two first terminal contacts are in a plane, wherein the third clamping contact is arranged in a parallel offset plane, wherein the insertion aid is clamped between the two first and the third clamping contact.
  • the terminal contacts form a plug-in slot.
  • a dome is arranged opposite the clamping contact, to which a U-shaped part adjoins, wherein the base of the U-shaped part lies in the plane of the first clamping contacts and has a recess.
  • the indentation is aligned with the third clamping contact, so that the indentation limits the insertion depth of the third contact leg.
  • the base of the U-shaped part is part of the forming plug-in shaft.
  • the dome serves as a lever bearing when disassembling the plug-in and on the other hand to stabilize the U-shaped part.
  • the slope on the dome serves as a guide for a lever tool. In this case, embodiments are possible where the U-shaped part or the dome can be dispensed with.
  • a web is arranged between two adjacent clamping contacts of different wire pairs, to which a further web connects centrally at right angles, which lies in the plane of the third clamping contacts and in each case has a recess in the region of the first clamping contacts.
  • the aligned with the terminal contacts indentations serve again as Einsteckbegrenzung.
  • the web itself becomes part of the insertion shaft.
  • the first bridge is used for electrical insulation and thus increases the dielectric strength.
  • the insertion aid is formed on the upper side with a handle, whereby the insertion aid can be better grip.
  • the insertion aid is recessed below the handle, so that it is easier to insert a pulling or prying tool between the handle and the upper side.
  • the insertion aid 1 comprises a plate 2 with three holes 3 formed as holes. In the lower part of the plate 2 is formed with a sharp edge 4. Laterally, the plate 2 has a bending edge 5, so that the width of the plate 2 is reduced. Perpendicular to the plate 2 is another plate 6, which forms the top of the insertion aid 1. On the plate 6, a handle 7 is arranged, wherein below the handle 7, the plate 6 has a concave curvature 8.
  • the surge arrester is formed with a shorting bar 13, wherein between the center contact 14 and the shorting bar 13 in the Fig. 4 visible Lotpille 15 is arranged.
  • the protective plug 20 is shown with four plug-in aids 1 and protective elements 12.
  • the protective plug comprises a housing 21 in the form of a slide-in cassette.
  • the protective plug 20 can theoretically be subdivided into three partial areas, namely a plug-in area, a receiving area and a ground connection area.
  • the protective plug eight line contacts 22a, b, wherein in each case a line contact 22a and a line contact 22b are assigned to a wire pair, not shown, a distribution device. Between the line contacts 22a, 22b are bores 23 through which the line contacts 22a, b are electrically separated from each other.
  • Each line contact 22a, b is associated with a terminal contact 24 a, b, with which it is electrically connected.
  • the terminal contacts are bent perpendicular to the bottom plate 25 upwards and lie parallel in a plane.
  • a tail rail 26 which are electrically connected to third terminal contacts 24c, which are also bent perpendicular to the bottom plate upwards.
  • the holes 27 are used for the electrical separation of the third terminal contacts 24c of the first two terminal contacts 24a, b.
  • About the earth rail 26 is a ground connection to a support frame, not shown, of the distribution device.
  • the two terminal contacts 22a, b assigned to the terminal contacts 24a, b lie in one plane. From the bottom plate 25 extends upwardly a dome 28 with a slope 29. At this is followed by a U-shaped part 30, whose base 31 has a recess 32. The base 31 is in the same plane as the first two terminal contacts 24a, b. The indentation 32 is in alignment with the third clamping contact 24c, which is displaced parallel in the direction of earth rail 26 to the two first clamping contacts 24a, b.
  • a web 33 to which a further web 34 closes vertically, wherein the left half of the web 34 is also covered by the insertion aid 1.
  • the web 34 is located in the same plane as the third clamping contact 24c. From the side wall 35 of the housing 21 extends also a web 34 ', which also lies in the plane of the clamping contact 24c.
  • the web 34 ' in this case represents a half web 34, since it is possible to dispense with the web 33 on the side wall 35.
  • the webs 34, 34 ' also have indentations 36 which are aligned with the two first clamping contacts 24a, b.
  • the indentations 32, 36 limit the insertion depth of the contact legs 9-11.
  • the web 34, the third clamping contact 24c, the web 34 ', the side wall 35, the clamping contact 24b, the base 31, the clamping contact 24a and the web 33 form a plug-in slot into which the plug-in aid 1 can be inserted.
  • the insertion aid 1 is dimensioned such that it fills the entire insertion slot and thus the opposing terminal contacts 24a-c (line contacts and ground contact) against each other electrically isolated and thus achieves a high dielectric strength.
  • Other side wall 35 jumps from the bottom plate 25 a rib 37 high, which is why the insertion aid 1 is formed with the bending edge 5 and so the sharp edge 4 can slide past the rib 37.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

The connector has a protective unit whose contact legs are contacted with clamping contacts (24a, 24b). A clamping contact (24c) is arranged between the clamping contacts (24a, 24b). The clamping contacts (24a, 24b) lie in a plane and the clamping contact (24c) is arranged in a parallely shifted plane, such that an insertion aid (1) is clamped and fixed between the clamping contacts and units of the housing. An independent claim is also included for an insertion aid for a protective unit.

Description

Die Erfindung betrifft einen Schutzstecker für Verteilereinrichtungen der Telekommunikations- und Datentechnik.The invention relates to a protective plug for distribution devices of telecommunications and data technology.

Schutzstecker für Verteilereinrichtungen dienen zum Schutz gegen Überspannungen und/oder Stromstößen.Protection plugs for distribution devices serve to protect against overvoltages and / or surges.

Aus der DE 24 28 266 A1 ist eine Überspannungsableitervorrichtung für Trennleisten mit in Isolierstoffkontaktträgern gelagerten, daraus mit den Enden als Leiteranschlussstellen herausragenden Kontaktelementen und einem Aufnahmegehäuse zum einzelnen Einschieben und Einrasten der Kontaktträger bekannt, wobei diese als jeweils eine Vielzahl, vorzugsweise zehn Überspannungsableiter aufnehmendes, steckkantenartiges, aus zwei Kunststoffplatten zusammengesetztes Einschubbauteil ausgebildet ist, das seitlich in das Trennleistengehäuse einschiebbar ist, an der Unterseite eine durchgehende Messerkante zur Erdverbindung aufweist, an der Oberseite zum Kontakt mit den zu schützenden Trennleistenleiteranschlüssen dienende, getrennte Schleifkontakte trägt und zwischen der Ober- und Unterseite in zwei Reihen versetzt angeordnete Ausnehmungen zum Einsetzen je eines Überspannungsableiters aufweist, zu dessen Kontaktverbindung in die Kunststoffplatten ein an die Messerkante angeformter, bis zur Unterseite der Ausnehmung geführter Metallstreifen und ein im zugehörigen Schleifkontakt endender, bis zur Oberseite der Ausnehmung geführter Kontaktstreifen isoliert eingebettet sind.From the DE 24 28 266 A1 is a Überspannungsableitervorrichtung for disconnectors with mounted in Isolierstoffkontaktträgern, therefrom with the ends as Leiteranschlussstellen outstanding contact elements and a receptacle housing for individual insertion and locking of the contact carrier known, which each formed as a plurality, preferably ten surge arrester receiving, plug-edge-like, composed of two plastic plates plug-in component is that can be inserted laterally into the disconnector housing, at the bottom has a continuous blade edge for ground connection, carries on the top for contact with the isolating strip conductor terminals to be protected, serving separate sliding contacts and arranged between the top and bottom in two rows arranged recesses for insertion each having a surge arrester, to whose contact connection in the plastic plates integrally formed on the knife edge, to the bottom of the recess ung guided metal strip and an ending in the associated sliding contact, up to the top of the recess guided contact strips are embedded isolated.

Vorzugsweise sind die Überspannungsableiter an ihren Kontaktstellen durch Klemmdruck kontaktiert, wobei in schalenförmigen Ausbuchtungen einer Kunststoffplatte aufgenommene Druckfedern vorgesehen sind, die die am ausnehmungsseitigen Ende rechtwinklig abgebogenen Kontaktstreifen gegen die Überspannungsableiterkontakte drücken und die Überspannungsableiter damit gleichzeitig mit ihren unterseitigen Kontakten an die hier ebenso abgebogenen Metallstreifen klemmend andrücken.Preferably, the surge arresters are contacted at their contact points by clamping pressure, which are provided in cup-shaped bulges of a plastic plate compression springs which press the recessed at the end of the right end contact strip against the surge arresters and clamped the surge with it at the same time with their lower side contacts to the metal strips also bent here press down.

Aus der DE 31 13 759 A1 ist eine Überspannungsableitervorrichtung für Trennleisten in Form einer aus Isolierstoff gebildeten Einschubleiste bekannt, wobei die mit drei Anschlussbeinen ausgebildeten Zweiwegeüberspannungsableiter mit den äußeren Anschlussbeinen in Klemmaufnehmern, die nach außen zugänglich Abgreifkontakte bilden, und mit dem mittleren Anschlussbein in den Klemmaufnehmer, der an einer U-förmigen Erdleiste angeformt ist, die eine nach außen zugängliche Erdschleifschiene bildet, gesteckt sind, wobei die Überspannungsableitervorrichtung ferner eine über eine Öffnung zugängliche Federdruckeinrichtung mit einer fest ansitzenden Lotpille zwischen der mittleren Elektrode und der Erdschiene aufweist.From the DE 31 13 759 A1 a Überspannungsableitervorrichtung for separating strips in the form of an insert formed of insulating strip is known, wherein formed with three connection legs Zweiwegeüberspannungsableiter with the outer legs in Klemmaufnehmern that form outwardly accessible Abgreifkontakte, and with the central connecting leg in the Klemmaufnehmer, which is connected to a U-shaped Earth bar is formed, which forms an outwardly accessible Erdschleifschiene, are plugged, wherein the surge arrester device further comprises an accessible via an opening spring pressure device with a firmly abutting Lotpille between the central electrode and the ground rail.

Aus der DE 41 14 947 C1 ist ein Schutzstecker zum Anschalten an ein Kontaktbauteil in einem Verteiler einer Telekommunikations-, insbesondere Fernsprechanlage, mit Überspannungsableitern und Stromsicherungen bekannt, über die am Kontaktbauteil ankommende und abgehende Leitungen miteinander verbunden sind, wobei das Kontaktbauteil mit paarweise einander gegenüberliegenden Kontaktfedern versehen ist, von denen die eine mit einer der ankommenden und die andere mit einer der abgehenden Leitungsadern verbunden ist, und die an ihren freien Enden Kontaktzonen aufweisen, mit denen entsprechend einsteckbare Kontaktflächen des Schutzsteckers kontaktierbar sind, wobei die Kontaktflächen an Kontaktteilen ausgebildet sind, die die Kontaktflächen mit den Enden der Stromsicherung und einem Ende des Überspannungsableiters verbinden, wobei der Schutzstecker für jeweils eine der Kontaktfedern eines Kontaktfedernpaares zwei getrennte Kontaktflächen unterschiedlicher Beschaffenheit aufweist, die mit einer Kontaktzone der Kontaktfeder kontaktierbar sind, dass die beiden getrennten Kontaktflächen an zwei getrennten Kontaktteilen ausgebildet sind, von denen ein Kontaktteil zum Überspannungsableiter und das andere Kontaktteil zur Stromsicherung führt, und dass bei einem der beiden Kontaktteile das die Kontaktfläche tragende Ende federnd auslenkbar ist.From the DE 41 14 947 C1 is a protective plug for connection to a contact member in a distributor of a telecommunications, in particular telephone system, known with surge arresters and current fuses, are connected to each other via the contact component and outgoing lines, wherein the contact member is provided with paired opposite contact springs, of which one with one of the incoming and the other is connected to one of the outgoing line wires, and having contact zones at their free ends, with which corresponding plug-in contact surfaces of the protective plug are contacted, wherein the contact surfaces are formed on contact parts, the contact surfaces with the ends of the Connect current fuse and one end of the surge arrester, wherein the protective plug for each one of the contact springs of a pair of contact springs has two separate contact surfaces of different nature, with a contact zone de Contact spring are contactable, that the two separate contact surfaces are formed on two separate contact parts, of which a contact part leads to the surge and the other contact part for current protection, and that in one of the two contact parts, the contact surface bearing end is resiliently deflectable.

Der Vorteil aller genannten Schutzstecker ist, dass die Schutzelemente auswechselbar sind, wohingegen typischerweise bei Bauformen mit Leiterplatten die Schutzelemente verlötet sind. Nachteilig an den bekannten Schutzsteckern ist hingegen, dass diese relativ aufwendig in der Herstellung sind, insbesondere wegen der federnden Elemente. Ein weiterer Nachteil ist, dass die Bestückung bzw. Demontage einzelner Schutzelemente schwierig ist. Insbesondere wenn die Schutzelemente Kontaktbeine aufweisen, wie in der DE 31 13 759 A1 beschrieben, muss sichergestellt werden, dass diese gleichmäßig kontaktiert werden.The advantage of all said protective plug is that the protective elements are interchangeable, whereas typically in designs with printed circuit boards, the protective elements are soldered. A disadvantage of the known protective connectors, however, is that these are relatively expensive to manufacture, especially because of the resilient elements. Another disadvantage is that the assembly or disassembly of individual protection elements is difficult. In particular, when the protective elements have contact legs, as in the DE 31 13 759 A1 It must be ensured that they are evenly contacted.

Aus der US 6,324,283 B1 ist ein gattungsgemäßer Schutzstecker sowie eine gattungsgemäße Einsteckhilfe bekannt.From the US 6,324,283 B1 is a generic protective plug and a generic plug-in known.

Der Erfindung liegt daher das technische Problem zugrunde, einen Schutzstecker zu schaffen, bei dem einfach und zuverlässig die Schutzelemente montiert bzw. demontiert werden können und der einfach im Aufbau ist.The invention is therefore based on the technical problem of providing a protective plug, in which the protective elements can be easily and reliably mounted or dismantled and which is simple in construction.

Die Lösung des technischen Problems ergibt sich durch die Gegenstände mit den Merkmalen der Ansprüche 1 und 7. Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.The solution of the technical problem results from the objects with the features of claims 1 and 7. Further advantageous embodiments of the invention will become apparent from the dependent claims.

Hierzu ist das Schutzelement mit einer Einsteckhilfe verbunden, die aus einem elektrisch nichtleitenden Material besteht, wobei die Einsteckhilfe mindestens eine Aufnahme für die Kontaktbeine aufweist, in der die Kontaktbeine mechanisch fixiert sind, wobei die Einsteckhilfe zwischen den Klemmkontakten und/oder Elementen des Gehäuses fixiert ist. Die Einsteckhilfe erlaubt eine gleichzeitige Kontaktierung aller Kontaktbeine des Schutzelementes, wodurch die Kontaktbeine gegenüber einer Nacheinanderkontaktierung nicht beschädigt oder verbogen werden können. Weiter stellt die Einsteckhilfe sicher, dass die Kontaktbeine stets exakt kontaktiert sind, so dass Fehlsteckungen vermieden werden. Die Einsteckhilfe verbleibt gemeinsam mit dem Schutzelement im Schutzstecker und stellt sicher, dass sich das Schutzelement nicht wieder lösen kann. Des Weiteren kann durch die Einsteckhilfe das Schutzelement wieder beschädigungsfrei demontiert werden. Die Einsteckhilfe und das Gehäuse des Schutzsteckers sind vorzugsweise aus Kunststoff. Die Klemmkontakte sind vorzugsweise als Gabelkontakte ausgebildet. Die Kontaktelemente sind vorzugsweise in das Gehäuse eingespritzt. Weiter vorzugsweise werden alle Kontaktelemente und gegebenenfalls weitere Kontakte aus einem einstückigen Teil ausgeformt und verspritzt. Anschließend werden dann durch Bohrungen die notwendigen Isolationen zwischen den Kontaktelementen hergestellt. Die Kontaktelemente bestehen vorzugsweise aus einer Kupferlegierung. Die Aufnahmen der Einsteckhilfe sind vorzugsweise als Löcher ausgebildet, wobei weiter vorzugsweise jedem Kontaktbein ein Loch zugeordnet ist.For this purpose, the protective element is connected to an insertion aid, which consists of an electrically non-conductive material, wherein the insertion aid has at least one receptacle for the contact legs, in which the contact legs are mechanically fixed, wherein the insertion aid is fixed between the terminal contacts and / or elements of the housing , The plug-in allows a simultaneous contacting of all contact legs of the protective element, whereby the contact legs against a Nacheinanderkontaktierung can not be damaged or bent. Next, the plug-in helps to ensure that the contact legs are always contacted exactly, so that mishaps are avoided. The plug-in aid remains in the protective plug together with the protective element and ensures that the protective element can not come loose again. Furthermore, the protective element can be disassembled without damage again by the insertion aid. The insertion aid and the housing of the protective plug are preferably made of plastic. The terminal contacts are preferably designed as fork contacts. The contact elements are preferably injected into the housing. Further preferably, all contact elements and optionally further contacts are formed from a one-piece part and sprayed. Then then through holes the necessary insulation between the contact elements produced. The contact elements are preferably made of a copper alloy. The receptacles of the insertion aid are preferably formed as holes, wherein more preferably each contact leg is associated with a hole.

Weiter weist das Schutzelement ein drittes Kontaktbein auf, wobei zwischen den beiden ersten Klemmkontakten ein dritter Klemmkontakt angeordnet ist, der mit dem dritten Kontaktbein verbunden ist, wobei der dritte Klemmkontakt mit einer Endschiene verbunden ist, die vorzugsweise einstückig mit dem oder den dritten Klemmkontakten verbunden bzw. ausgebildet ist. Das Schutzelement ist vorzugsweise als Überspannungsableiter ausgebildet.Furthermore, the protective element has a third contact leg, a third clamping contact being arranged between the two first clamping contacts, which is connected to the third contact leg, wherein the third clamping contact is connected to a terminal rail, which is preferably connected in one piece to the third terminal contact or terminals . is trained. The protective element is preferably designed as a surge arrester.

Dabei liegen die beiden ersten Klemmkontakte in einer Ebene, wobei der dritte Klemmkontakt in einer parallel versetzten Ebene angeordnet ist, wobei die Einsteckhilfe zwischen den beiden ersten und dem dritten Klemmkontakt geklemmt ist. Die Klemmkontakte bilden dabei einen Einsteckschacht.In this case, the two first terminal contacts are in a plane, wherein the third clamping contact is arranged in a parallel offset plane, wherein the insertion aid is clamped between the two first and the third clamping contact. The terminal contacts form a plug-in slot.

In einer weiteren bevorzugten Ausführungsform ist gegenüber dem Klemmkontakt ein Dom mit einer Schräge angeordnet, an die sich ein U-förmiges Teil anschließt, wobei die Basis des U-förmigen Teils in der Ebene der ersten Klemmkontakte liegt und eine Einbuchtung aufweist. Die Einbuchtung ist dabei fluchtend mit dem dritten Klemmkontakt, so dass die Einbuchtung die Einstecktiefe des dritten Kontaktbeins begrenzt. Die Basis des U-förmigen Teils ist dabei Bestandteil des sich bildenden Einsteckschachtes. Der Dom dient einerseits als Hebellager bei der Demontage der Einsteckhilfe und andererseits zur Stabilisierung des U-förmigen Teils. Die Schräge am Dom dient dabei als Führung für ein Hebelwerkzeug. Es sind dabei Ausführungsformen möglich, wo auf das U-förmige Teil oder auf den Dom verzichtet werden kann.In a further preferred embodiment, a dome is arranged opposite the clamping contact, to which a U-shaped part adjoins, wherein the base of the U-shaped part lies in the plane of the first clamping contacts and has a recess. The indentation is aligned with the third clamping contact, so that the indentation limits the insertion depth of the third contact leg. The base of the U-shaped part is part of the forming plug-in shaft. The dome serves as a lever bearing when disassembling the plug-in and on the other hand to stabilize the U-shaped part. The slope on the dome serves as a guide for a lever tool. In this case, embodiments are possible where the U-shaped part or the dome can be dispensed with.

In einer weiteren bevorzugten Ausführungsform ist zwischen zwei benachbarten Klemmkontakten unterschiedlicher Aderpaare ein Steg angeordnet, an den sich mittig im rechten Winkel ein weiterer Steg anschließt, der in der Ebene der dritten Klemmkontakte liegt und im Bereich der ersten Klemmkontakte jeweils eine Einbuchtung aufweist. Die dabei mit den Klemmkontakten fluchtenden Einbuchtungen dienen dabei wieder als Einsteckbegrenzung. Der Steg selbst wird zum Bestandteil des Einsteckschachts. Der erste Steg dient zur elektrischen Isolierung und erhöht somit die Spannungsfestigkeit.In a further preferred embodiment, a web is arranged between two adjacent clamping contacts of different wire pairs, to which a further web connects centrally at right angles, which lies in the plane of the third clamping contacts and in each case has a recess in the region of the first clamping contacts. The aligned with the terminal contacts indentations serve again as Einsteckbegrenzung. The web itself becomes part of the insertion shaft. The first bridge is used for electrical insulation and thus increases the dielectric strength.

In einer weiteren bevorzugten Ausführungsform ist die Einsteckhilfe auf der Oberseite mit einem Henkel ausgebildet, wodurch sich die Einsteckhilfe besser greifen lässt. Vorzugsweise ist unterhalb des Henkels die Einsteckhilfe eingebuchtet, so dass sich zwischen Henkel und Oberseite leichter ein Zieh- oder Hebelwerkzeug einsetzen lässt.In a further preferred embodiment, the insertion aid is formed on the upper side with a handle, whereby the insertion aid can be better grip. Preferably, the insertion aid is recessed below the handle, so that it is easier to insert a pulling or prying tool between the handle and the upper side.

Die Erfindung wird nachfolgend anhand eines bevorzugten Ausführungsbeispieles näher erläutert. Die Fig. zeigen:

Fig. 1
eine perspektivische Darstellung einer Einsteckhilfe ohne Schutzelement,
Fig. 2
eine perspektivische Darstellung der Einsteckhilfe mit Schutzelement,
Fig. 3
eine erste perspektivische Darstellung eines Schutzsteckers mit vier Schutzelementen,
Fig. 4
eine zweite perspektivische Darstellung des Schutzsteckers,
Fig. 5
eine dritte perspektivische Darstellung des Schutzsteckers und
Fig. 6
eine perspektivische Detaildarstellung von Fig. 4.
The invention will be explained in more detail with reference to a preferred embodiment. The figures show:
Fig. 1
a perspective view of a plug-in aid without protective element,
Fig. 2
a perspective view of the insertion aid with protective element,
Fig. 3
a first perspective view of a protective plug with four protective elements,
Fig. 4
a second perspective view of the protective plug,
Fig. 5
a third perspective view of the protective plug and
Fig. 6
a detailed perspective view of Fig. 4 ,

In der Fig. 1 ist die Einsteckhilfe 1 dargestellt. Die Einsteckhilfe 1 umfasst eine Platte 2 mit drei als Löchern ausgebildeten Aufnahmen 3. Im unteren Bereich ist die Platte 2 mit einer scharfen Kante 4 ausgebildet. Seitlich weist die Platte 2 eine Knickkante 5 auf, so dass sich die Breite der Platte 2 verringert. Senkrecht auf der Platte 2 steht eine weitere Platte 6, die die Oberseite der Einsteckhilfe 1 bildet. Auf der Platte 6 ist ein Henkel 7 angeordnet, wobei unterhalb des Henkels 7 die Platte 6 eine konkave Wölbung 8 aufweist. In der Fig. 2 ist nun dargestellt, wie die Kontaktbeine 9-11 eines als 2-Wege-Überspannungsableiters ausgebildeten Schutzelementes 12 in die Aufnahmen 3 der Einsteckhilfe 1 gesteckt sind, wo diese mechanisch fixiert sind. Der Überspannungsableiter ist mit einem Kurzschlussbügel 13 ausgebildet, wobei zwischen dem Mittelkontakt 14 und dem Kurzschlussbügel 13 eine in der Fig. 4 sichtbare Lotpille 15 angeordnet ist.In the Fig. 1 is the insertion aid 1 shown. The insertion aid 1 comprises a plate 2 with three holes 3 formed as holes. In the lower part of the plate 2 is formed with a sharp edge 4. Laterally, the plate 2 has a bending edge 5, so that the width of the plate 2 is reduced. Perpendicular to the plate 2 is another plate 6, which forms the top of the insertion aid 1. On the plate 6, a handle 7 is arranged, wherein below the handle 7, the plate 6 has a concave curvature 8. In the Fig. 2 It is now shown how the contact legs 9-11 of a designed as a 2-way surge arrester protective element 12 are inserted into the receptacles 3 of the insertion aid 1, where they are mechanically fixed. The surge arrester is formed with a shorting bar 13, wherein between the center contact 14 and the shorting bar 13 in the Fig. 4 visible Lotpille 15 is arranged.

In den Fig. 3 und 4 ist der Schutzstecker 20 mit vier Einsteckhilfen 1 bzw. Schutzelementen 12 dargestellt. Der Schutzstecker umfasst ein Gehäuse 21 in Form einer Einschub-Kassette. Der Schutzstecker 20 lässt sich gedanklich in drei Teilbereiche unterteilen, nämlich einen Einsteckbereich, einen Aufnahmebereich und einen Erdverbindungsbereich. Wie in Fig. 5 zu erkennen ist, weist der Schutzstecker acht Linienkontakte 22a, b auf, wobei jeweils ein Linienkontakt 22a und ein Linienkontakt 22b einem nicht dargestellten Aderpaar einer Verteilereinrichtung zugeordnet sind. Zwischen den Linienkontakten 22a, 22b sind Bohrungen 23, durch die die Linienkontakte 22a, b elektrisch voneinander getrennt werden. Jedem Linienkontakt 22a, b ist ein Klemmkontakt 24 a, b zugeordnet, mit dem dieser elektrisch verbunden ist. Die Klemmkontakte sind senkrecht zur Bodenplatte 25 nach oben gebogen und liegen parallel in einer Ebene. Weiter erkennt man in Fig. 5 eine Endschiene 26, die elektrisch mit dritten Klemmkontakten 24c verbunden sind, die ebenfalls senkrecht zur Bodenplatte nach oben gebogen sind. Die Bohrungen 27 dienen zur elektrischen Trennung der dritten Klemmkontakte 24c von den ersten beiden Klemmkontakten 24a, b. Über die Erdschiene 26 erfolgt eine Erdverbindung zu einem nicht dargestellten Trägergestell der Verteilereinrichtung.In the Fig. 3 and 4 the protective plug 20 is shown with four plug-in aids 1 and protective elements 12. The protective plug comprises a housing 21 in the form of a slide-in cassette. The protective plug 20 can theoretically be subdivided into three partial areas, namely a plug-in area, a receiving area and a ground connection area. As in Fig. 5 can be seen, the protective plug eight line contacts 22a, b, wherein in each case a line contact 22a and a line contact 22b are assigned to a wire pair, not shown, a distribution device. Between the line contacts 22a, 22b are bores 23 through which the line contacts 22a, b are electrically separated from each other. Each line contact 22a, b is associated with a terminal contact 24 a, b, with which it is electrically connected. The terminal contacts are bent perpendicular to the bottom plate 25 upwards and lie parallel in a plane. Next you can see in Fig. 5 a tail rail 26, which are electrically connected to third terminal contacts 24c, which are also bent perpendicular to the bottom plate upwards. The holes 27 are used for the electrical separation of the third terminal contacts 24c of the first two terminal contacts 24a, b. About the earth rail 26 is a ground connection to a support frame, not shown, of the distribution device.

Anhand der Fig. 6 soll nun der ganze Aufbau des Schutzsteckers 20 näher erläutert werden. Wie bereits erläutert, liegen die beiden den Linienkontakten 22a, b zugeordneten Klemmkontakte 24a, b in einer Ebene. Von der Bodenplatte 25 erstreckt sich nach oben ein Dom 28 mit einer Schräge 29. An diesen schließt sich ein U-förmiger Teil 30 an, dessen Basis 31 eine Einbuchtung 32 aufweist. Die Basis 31 liegt in der gleichen Ebene wie die beiden ersten Klemmkontakte 24a, b. Die Einbuchtung 32 fluchtet mit dem dritten Klemmkontakt 24c, der in Richtung Erdschiene 26 zu den beiden ersten Klemmkontakten 24a, b parallel verschoben ist. Zwischen dem Klemmkontakt 24a und einem Klemmkontakt (versteckt durch die gesteckte Einsteckhilfe 1) eines benachbarten Aderpaares liegt ein Steg 33, an dem sich mittig ein weiterer Steg 34 senkrecht verschließt, wobei die linke Hälfte des Steges 34 ebenfalls durch die Einsteckhilfe 1 verdeckt ist. Der Steg 34 liegt in der gleichen Ebene wie der dritte Klemmkontakt 24c. Von der Seitenwand 35 des Gehäuses 21 erstreckt sich ebenfalls ein Steg 34', der gleichfalls in der Ebene des Klemmkontaktes 24c liegt. Der Steg 34' stellt dabei einen halben Steg 34 dar, da an der Seitenwand 35 auf den Steg 33 verzichtet werden kann. Die Stege 34, 34' weisen ebenfalls Einbuchtungen 36 auf, die zu den beiden ersten Klemmkontakten 24a, b fluchten. Die Einbuchtungen 32, 36 begrenzen dabei die Einstecktiefe der Kontaktbeine 9-11. Wie man erkennt, bilden der Steg 34, der dritte Klemmkontakt 24c, der Steg 34', die Seitenwand 35, der Klemmkontakt 24b, die Basis 31, der Klemmkontakt 24a und der Steg 33 einen Einsteckschacht, in den die Einsteckhilfe 1 einsteckbar ist. Die Einsteckhilfe 1 ist dabei derart dimensioniert, dass sie den kompletten Einsteckschacht ausfüllt und somit die sich gegenüberliegenden Klemmkontakte 24a-c (Linienkontakte und Erdkontakt) gegeneinander elektrisch isoliert und somit eine hohe Spannungsfestigkeit erreicht. Ander Seitenwand 35 springt von der Bodenplatte 25 eine Rippe 37 hoch, weshalb die Einsteckhilfe 1 mit der Knickkante 5 ausgebildet ist und so die scharfe Kante 4 an der Rippe 37 vorbeigleiten kann.Based on Fig. 6 Now, the whole structure of the protective plug 20 will be explained in more detail. As already explained, the two terminal contacts 22a, b assigned to the terminal contacts 24a, b lie in one plane. From the bottom plate 25 extends upwardly a dome 28 with a slope 29. At this is followed by a U-shaped part 30, whose base 31 has a recess 32. The base 31 is in the same plane as the first two terminal contacts 24a, b. The indentation 32 is in alignment with the third clamping contact 24c, which is displaced parallel in the direction of earth rail 26 to the two first clamping contacts 24a, b. Between the clamping contact 24a and a clamping contact (hidden by the inserted insertion aid 1) of an adjacent pair of wires is a web 33 to which a further web 34 closes vertically, wherein the left half of the web 34 is also covered by the insertion aid 1. The web 34 is located in the same plane as the third clamping contact 24c. From the side wall 35 of the housing 21 extends also a web 34 ', which also lies in the plane of the clamping contact 24c. The web 34 'in this case represents a half web 34, since it is possible to dispense with the web 33 on the side wall 35. The webs 34, 34 'also have indentations 36 which are aligned with the two first clamping contacts 24a, b. The indentations 32, 36 limit the insertion depth of the contact legs 9-11. As can be seen, the web 34, the third clamping contact 24c, the web 34 ', the side wall 35, the clamping contact 24b, the base 31, the clamping contact 24a and the web 33 form a plug-in slot into which the plug-in aid 1 can be inserted. The insertion aid 1 is dimensioned such that it fills the entire insertion slot and thus the opposing terminal contacts 24a-c (line contacts and ground contact) against each other electrically isolated and thus achieves a high dielectric strength. Other side wall 35 jumps from the bottom plate 25 a rib 37 high, which is why the insertion aid 1 is formed with the bending edge 5 and so the sharp edge 4 can slide past the rib 37.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Einsteckhilfeinsertion aid
22
Platteplate
33
AufnahmenRecordings
44
scharfe Kantesharp edge
55
Knickkantebend edge
66
Platteplate
77
Henkelhandle
88th
konkave Wölbungconcave curvature
9-119-11
KontaktbeineContact legs
1212
Schutzelementprotection element
1313
KurzschlussbügelShorting bar
1414
Mittelkontaktcenter contact
1515
Lotpillesolder bead
2020
Schutzsteckerprotective plug
2121
Gehäusecasing
22a,b22a, b
Linienkontakteline contacts
2323
Bohrungendrilling
24a,b,c24a, b, c
Klemmkontaktedisplacement contacts
2525
Bodenplattebaseplate
2626
ErdschieneEarth bar
2727
Bohrungendrilling
2828
Domcathedral
2929
Schrägeslope
3030
U-förmiger TeilU-shaped part
3131
BasisBase
3232
Einbuchtungenindentations
3333
Stegweb
34,34'34.34 '
Stegweb
3535
SeitenwandSide wall
3636
Einbuchtungenindentations
3737
Ripperib

Claims (7)

  1. Protective plug (10) for distribution frame devices for telecommunications and data technology, comprising at least one housing (21) and at least one protective element (12), the protective element (12) having at least two contact legs (9, 11), at least two contact elements being embedded in the housing (21), the contact elements each having a line contact (22a, b) and a clamping contact (24a,b), the line contact (22a, b) being arranged in an insertion region, and the clamping contact (24a, b) being arranged in an accommodating region of the protective plug (20), contact being made between the contact legs (9,11) of the protective element (12) and the clamping contacts (24a, b), the protective element (12) having a third contact leg (10), a third clamping contact (24c) being arranged between the two clamping contacts (24a, b) and being connected to the third contact leg (10), the third clamping contact (24c) being connected to a ground rail (26), and the protective element (12) being connected to an insertion aid (1) which is made from an electrically nonconductive material, the insertion aid (1) having at least one receptacle for the contact legs (9-11) in which the contact legs (9-11) are mechanically fixed, characterized in that the two first clamping contacts (24a, b) lie on one plane, and the third clamping contact (24c) is arranged on a plane which is offset parallel, the insertion aid (1) being clamped between the two first clamping contacts (24a, b) and the third clamping contact (24c) and being fixed between the clamping contacts (24a-c) and/or elements of the housing (21).
  2. Protective plug according to Claim 1, characterized in that the ground rail (26) is connected integrally to the third clamping contact(s) (24c).
  3. Protective plug according to Claim 1 or 2, characterized in that a dome (28) having a bevel (29) is arranged opposite the third clamping contact (24c), a U-shaped part (30) adjoining said bevel (29), the base (31) of the U-shaped part (30) lying on the plane of the first clamping contacts (24a, b) and having a notch (32).
  4. Protective plug according to one of the preceding claims, characterized in that a web (33) is arranged between two adjacent clamping contacts (24a, b) of different pairs of cores, a further web (34), which lies on the plane of the third clamping contacts (24c) and has in each case a notch (36) in the region of the first clamping contacts (24a, b), adjoining said web (33) centrally at a right angle.
  5. Protective plug according to one of the preceding claims, characterized in that the plate (2) of the insertion aid (1) is formed with a sharp edge (4) in the lower region, sharp edge being inserted between the two first clamping contacts (24a, 24b) and the third clamping contact (24c).
  6. Protective plug according to one of the preceding claims, characterized in that the insertion aid (1) is formed with a handle (7) on the upper side.
  7. Insertion aid for protective elements which is made from a nonconductive material, comprising a plate (2) having receptacles (3) for contact legs (9-11), characterized in that the plate (2) is formed with a sharp edge (4), which forms an insertion edge.
EP06754344A 2005-06-21 2006-06-13 Protected plug socket for distribution devices in telecommunications and data technology Active EP1894281B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06754344T PL1894281T3 (en) 2005-06-21 2006-06-13 Protected plug socket for distribution devices in telecommunications and data technology

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005029012A DE102005029012B3 (en) 2005-06-21 2005-06-21 Protective plug connector for distribution device, has clamping contacts lying in plane and another clamping contact arranged in parallely shifted plane, such that insertion aid is clamped and fixed between contacts and units of housing
PCT/EP2006/005681 WO2006136315A1 (en) 2005-06-21 2006-06-13 Protected plug socket for distribution devices in telecommunications and data technology

Publications (2)

Publication Number Publication Date
EP1894281A1 EP1894281A1 (en) 2008-03-05
EP1894281B1 true EP1894281B1 (en) 2011-09-14

Family

ID=36685996

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06754344A Active EP1894281B1 (en) 2005-06-21 2006-06-13 Protected plug socket for distribution devices in telecommunications and data technology

Country Status (12)

Country Link
US (1) US8005205B2 (en)
EP (1) EP1894281B1 (en)
AT (1) ATE524858T1 (en)
AU (1) AU2006261240B2 (en)
DE (1) DE102005029012B3 (en)
ES (1) ES2372972T3 (en)
IL (1) IL188149A (en)
MY (1) MY143105A (en)
PL (1) PL1894281T3 (en)
PT (1) PT1894281E (en)
TW (1) TWI372568B (en)
WO (1) WO2006136315A1 (en)

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2428266C3 (en) 1974-06-12 1983-02-10 Krone Gmbh, 1000 Berlin Plug-in card-like insulating material slide-in strips with surge arresters and a method for their production
US4149211A (en) * 1977-10-17 1979-04-10 Monarch Molding Line surge protection device for telephone system
DE3113759C2 (en) 1981-04-04 1985-05-02 Krone Gmbh, 1000 Berlin Surge arrester device for separating strips
US4575840A (en) * 1984-03-30 1986-03-11 Itt Corporation Telephone line access device for main distribution frame
NZ216143A (en) * 1985-06-03 1989-04-26 Adc Telecommunications Inc Distribution frame wire connection module with insertable overvoltage protector
US4854884A (en) 1988-06-03 1989-08-08 Reliance Comm/Tec Corporation Telephone distribution frame connector assembly for use with central office protector module having alarm indicator
US4875868A (en) * 1988-08-05 1989-10-24 Northern Telecom Limited Electrically protected connector for telephone distribution frames
DE9001687U1 (en) * 1990-02-09 1990-04-12 Krone AG, 1000 Berlin Voltage limiter
DE4114947C1 (en) 1991-05-07 1992-08-20 Siemens Ag, 8000 Muenchen, De Protective plug for coupling to distributor contact module - has two differently shaped contact faces for contact spring of spring pair
AU674132B2 (en) * 1991-10-11 1996-12-12 Raychem Corporation Telecommunications terminal block
US5523916A (en) 1994-06-03 1996-06-04 Reliance Comm/Tec Corporation Surge arrester with thermal overload protection
FR2770037B1 (en) * 1997-10-21 1999-12-17 Pouyet Sa INTERCONNECTION MODULE FOR TWO MONOPARY LINES
US6324283B1 (en) 1997-12-17 2001-11-27 The Whitaker Corporation Protector interface
US6104591A (en) 1998-03-09 2000-08-15 Teccor Electronics, Inc. Telephone line protection element
US6617974B2 (en) * 2001-05-24 2003-09-09 Dan Stanek Multiple pole fused disconnect
US20060256931A1 (en) * 2002-03-11 2006-11-16 Udo Bendig Contact bank measurement arrangement including a contact bank telecommunications module provided with contact bank or a measurement arrangement and telecommunications assembly including plural modules
AU2003264896A1 (en) * 2002-10-03 2004-04-23 Tyco Electronics Raychem Sa Filter systems for broadband telecommunication facilities

Also Published As

Publication number Publication date
IL188149A0 (en) 2008-03-20
TW200708124A (en) 2007-02-16
EP1894281A1 (en) 2008-03-05
TWI372568B (en) 2012-09-11
US20100221952A1 (en) 2010-09-02
ATE524858T1 (en) 2011-09-15
US8005205B2 (en) 2011-08-23
ES2372972T3 (en) 2012-01-30
PL1894281T3 (en) 2012-02-29
AU2006261240A1 (en) 2006-12-28
DE102005029012B3 (en) 2006-12-28
WO2006136315A1 (en) 2006-12-28
AU2006261240B2 (en) 2010-04-22
IL188149A (en) 2012-10-31
PT1894281E (en) 2011-11-04
MY143105A (en) 2011-03-15

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