EP1776745A1 - Overvoltage protection device for mounting on top-hat rails, wherein said device comprises cylindrical spark gaps encapsulated in a housing - Google Patents

Overvoltage protection device for mounting on top-hat rails, wherein said device comprises cylindrical spark gaps encapsulated in a housing

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Publication number
EP1776745A1
EP1776745A1 EP06763653A EP06763653A EP1776745A1 EP 1776745 A1 EP1776745 A1 EP 1776745A1 EP 06763653 A EP06763653 A EP 06763653A EP 06763653 A EP06763653 A EP 06763653A EP 1776745 A1 EP1776745 A1 EP 1776745A1
Authority
EP
European Patent Office
Prior art keywords
protection device
spark gaps
overvoltage protection
spark
terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06763653A
Other languages
German (de)
French (fr)
Other versions
EP1776745B1 (en
Inventor
Georg Wittmann
Bernhard Krauss
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.)
Dehn SE and Co KG
Original Assignee
Dehn and Soehne GmbH and Co KG
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Filing date
Publication date
Application filed by Dehn and Soehne GmbH and Co KG filed Critical Dehn and Soehne GmbH and Co KG
Priority to PL06763653T priority Critical patent/PL1776745T3/en
Publication of EP1776745A1 publication Critical patent/EP1776745A1/en
Application granted granted Critical
Publication of EP1776745B1 publication Critical patent/EP1776745B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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 an overvoltage protection device for DIN rail mounting with arranged in a housing encapsulated spark gaps in a cylindrical design, wherein the surge protection device two oppositeThatan gleichklemm myselfn are provided, in which case a first terminal row Li to L n and N has a second terminal row PE terminals, further comprising internal connection - and connector surfaces and between the spark gaps arranged partitions or separation distances according to the preamble of claim 1.
  • Surge protection devices in a compact design which have a plurality of spark gaps along with peripheral trigger electronics in a plastic housing, belong to the prior art.
  • FIG. 1 represents the prior art briefly explained above, it can be seen which course the currents take in the case of overvoltage.
  • the individual spark gaps are arranged upright so that there is no need to provide an N / PE bridge. Due to the advantage of the omission of the bridge, the present in the prior art electromagnetic force does not occur, so that the structural and mechanical requirements for the stability of the housing are lower with the result a reduced cost in the manufacture of surge protectors in a compact enclosure.
  • the encapsulated spark gaps are fixed as mentioned standing on a first internal connection and connector surface.
  • This first surface extends substantially parallel to the housing bottom of the overvoltage protection device, wherein the first connection and connector surface is in communication with the N-terminal of the first terminal row from the external electrical connection.
  • Second to n-th internal connection and connector surfaces according to Li to L n are in each case with the top of the respective spark gap and the respective Li to L n terminal of the first terminal row in combination.
  • connection and connector surface spark gap namely the N / PE spark gap
  • connection and connector surface on its upper side, which leads to the PE terminal of the second terminal row, the first terminal row at the corresponding Opposite shell side opposite.
  • the Li to L n spark gaps are close to the first terminal row and the PE spark gap is near the second terminal row.
  • an insulating plate is provided, on which there is a circuit board with the spark gap trigger electronics.
  • the housing of the compact device has a substantially square or rectangular shape and has a bottom trough, wherein the spark gaps are arranged standing in the bottom trough and electrically contacted there.
  • a trigger spring contact is arranged with a corresponding requirement, which is located in a guide recess of the insulating plate.
  • connection and connector surfaces are designed as a metal stamped and bent part and have a high current carrying capacity.
  • Fig. 2 is a schematic representation of the standing arranged, cylindrical spark gaps according to the invention.
  • Fig. 3 is an exploded view of an inventively realized surge protection device arrangement in a compact housing in 3 + 1 circuit.
  • net spark gaps and a likewise arranged N / PE spark gap are assumed to lie side by side in a housing.
  • an N / PE bridge is provided between the network spark gaps and the N / PE spark gap.
  • the current flow which occurs in the case of overvoltage is presented with ii to i 6, wherein particularly problematic, the arrangement is of the parallel conductors in the field of N / PE bridge, which are in the opposite direction flows through the electric power, which arise due to the occurring electromagnetic fields very large repulsive forces that must be picked up by the housing of the spark gap arrangement.
  • the repulsive forces are symbolized by the double arrow representation in FIG.
  • an overvoltage protection device with encapsulated spark gaps in a cylindrical design arranged in a housing three network spark gaps NFS and one N / PE spark gap NPEFS are provided in the case of a 3+ 1 interconnection.
  • the spark gaps are formed as encapsulated, flameproof spark gaps with a cylindrical outer housing and electrical contacts 1 located on the end faces.
  • the encapsulated spark gaps NFS and NPEFS are fixed standing on a first internal connection and connector surface 2.
  • the first internal connection and connector surface 2 runs substantially parallel to the housing bottom 3 of the overvoltage protection device.
  • the first internal terminal and connector surface 2 communicates with the N-terminal of the first terminal row.
  • connection and connector surfaces 4, 5 and 6 are each connected to the top of the respective spark gap NFS and lead to the respective terminal Li, L 2 and L 3 of the first terminal row.
  • the further spark gap namely the NPE spark gap NPEFS also has a connection and connector surface 7 on its top, which leads to the PE terminal of the second terminal row, which is opposite to the first terminal row.
  • an insulating plate 8 is arranged as shown in FIG. 3, on which there is a circuit board 9 with the spark gap trigger electronics 10.
  • the compact housing which has a substantially square shape, has a bottom trough 11, wherein in this bottom trough 11, the spark gaps are mounted standing.
  • a trigger spring contact 13 is arranged, which is located in a guide recess 14 of the insulating plate 8.
  • a further, vertically oriented circuit board 15 is provided, which also receives a trigger electronics.
  • another trigger spring contact 16 is arranged, which is in communication with the outer jacket of the spark gap NPEFS.
  • connection and connector surface 7 of the spark gap NPEFS is guided at an angle along a side wall of the base pan 11 and merges into the second clamping row 17.
  • the bottom pan 11 is closed by a hood-like cover 18, which is connected by means of screws 19 with the bottom pan 11.
  • a hood-like cover 18 On the outer bottom of the floor pan 11 are still common locking clamp 20 for the preferred DIN rail mounting of the surge protective device. It should be noted at this point that, of course, a different attachment of the surge protective device is possible without departing from the spirit of the invention described.

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  • Emergency Protection Circuit Devices (AREA)

Abstract

An overvoltage protection device comprises encapsulated spark gaps fixed standing on an internal connection surface (2) having N-connection. Internal connections (4,5,6) are to the top of the spark gaps and the L connections (L1-4) of the first row are connected. A further spark gap (NPES) on the surface connects to a second row.

Description

Überspannungsschutzgerät zur Hutschienenmontage mit in einem Gehäuse angeordneten gekapselten Funkenstrecken in zylindrischer BauformOvervoltage protection device for DIN rail mounting with encapsulated spark gaps arranged in a housing in a cylindrical design
Beschreibungdescription
Die Erfindung betrifft ein Überspannungsschutzgerät zur Hutschienenmontage mit in einem Gehäuse angeordneten gekapselten Funkenstrecken in zylindrischer Bauform, wobei am Überspannungsschutzgerät zwei gegenüberliegende Außenanschlussklemmreihen vorgesehen sind, wobei hier eine erste Klemmreihe Li bis Ln sowie N eine zweite Klemmreihe PE-Anschlüsse aufweist, weiterhin umfassend interne Anschluss- und Verbinderflächen sowie zwischen den Funkenstrecken angeordnete Trennwände oder Trennabstände gemäß Oberbegriff des Anspruchs 1.The invention relates to an overvoltage protection device for DIN rail mounting with arranged in a housing encapsulated spark gaps in a cylindrical design, wherein the surge protection device two opposite Außenanschlussklemmreihen are provided, in which case a first terminal row Li to L n and N has a second terminal row PE terminals, further comprising internal connection - and connector surfaces and between the spark gaps arranged partitions or separation distances according to the preamble of claim 1.
Überspannungsschutzgeräte in kompakter Bauform, welche in einem Kunststoffgehäuse mehrere Funkenstrecken nebst peripherer Triggerelektronik aufweisen, gehören zum Stand der Technik.Surge protection devices in a compact design, which have a plurality of spark gaps along with peripheral trigger electronics in a plastic housing, belong to the prior art.
Bei einer derartigen Überspannungsschutzgeräte-Ausführung der Firma DEHN + SÖHNE GmbH + Co. KG, Neumarkt, befinden sich in einer Bodenwanne des Außengehäuses liegend nebeneinander mehrere gekapselte Funkenstrecken. Bei einer so genannten 3+ 1- bzw. 1 + 1-Verschaltung liegen die Anschlüsse Li bis Ln der Netzfunkenstrecken und der Anschluss N auf einer Verdrahtungsseite des Geräts, wobei hingegen sich der PE-Anschluss auf der gegenüberliegenden Verdrahtungsseite befindet. Eine derartige Ausbildung der Anschlusselemente ist zum externen Verdrahten eines Überspannungsschutzgeräts von besonderem Vorteil.In such a surge protective device version of DEHN + SÖHNE GmbH + Co. KG, Neumarkt, lying in a floor pan of the outer housing lying side by side several encapsulated spark gaps. In a so-called 3 + 1 or 1 + 1 connection, the connections Li to L n of the network spark gaps and the connection N are on one wiring side of the device, whereas the PE connection is on the opposite wiring side. Such a design of the connection elements is for external wiring of a surge protective device of particular advantage.
Um nun unter Beachtung der notwendigen Verschaltung die gewünschte Funktion des Überspannungsschutzgeräts sicherzustellen, ist es notwendig, eine interne Kontaktbrücke N/PE auszubilden.In order to ensure the desired function of the surge protective device, taking into account the necessary interconnection, it is necessary to form an internal contact bridge N / PE.
Bei einer Prinzipanordnung gemäß Fig. 1, die den vorstehend kurz erläuterten Stand der Technik darstellt, ist ersichtlich, welchen Verlauf die Ströme im Überspannungsfall einnehmen.In a principle arrangement according to FIG. 1, which represents the prior art briefly explained above, it can be seen which course the currents take in the case of overvoltage.
Unter Beachtung der Tatsache, dass auf parallele Leiter, welche gegensinnig von elektrischen Strömen durchflössen werden, aufgrund der auftretenden elek- tromagnetischen Felder abstoßende Kräfte entstehen, ist es notwendig, die N/PE-Brücke gemäß dem Stand der Technik sicher im Gehäuse festzulegen, so dass die auftretenden Kräfte beherrschbar sind. Gemäß der Darstellung nach Fig. 1 ist der Bereich zwischen der N/PE-Brücke und der N/PE-Funkenstrecke besonders kritisch, da sich hier die größten Ströme gegenüberstehen. Unter der Annahme, dass U = i2 = i3 = i4 gilt, ist die abstoßende Kraft zwischen der N/PE- Brücke und der N/PE-Funkenstrecke circa 12 mal größer als z. B. die anziehende Kraft zwischen den beiden Netzfunkenstrecken der Pfade Li und L2 unter der Voraussetzung, dass jeweils nur die Felder der direkt benachbarten Ströme berücksichtigt werden.Taking into account the fact that parallel conductors, which are flowed through in opposite directions by electrical currents, due to the elec- Magnetic fields repulsive forces arise, it is necessary to securely set the N / PE bridge according to the prior art in the housing, so that the forces are manageable. According to the illustration according to FIG. 1, the area between the N / PE bridge and the N / PE spark gap is particularly critical, since here the largest currents are located. Assuming that U = i 2 = i 3 = i 4 , the repulsive force between the N / PE bridge and the N / PE spark gap is approximately 12 times greater than z. B. the attractive force between the two network spark gaps of the paths Li and L 2 on condition that only the fields of the directly adjacent streams are taken into account.
Da die Kraft zwischen der N/PE-Brücke und der N/PE-Funkenstrecke bei entsprechend großen Strömen aufgrund der Produktbildung gemäß der in Fig. 1 dargestellten Beziehung ebenfalls sehr groß wird, ist bei einer derartigen liegenden Anordnung ein sehr hoher konstruktiver Aufwand an die Gehäusefestigkeit zu stellen.Since the force between the N / PE bridge and the N / PE spark gap with correspondingly large currents due to the product formation according to the relationship shown in FIG. 1 is also very large, is in such a horizontal arrangement a very high design complexity of the Housing strength to ask.
Aus dem Vorgenannten ist es daher Aufgabe der Erfindung, ein weiterentwickeltes Überspannungsschutzgerät zur Hutschienenmontage mit in einem Gehäuse angeordneten gekapselten Funkenstrecken in zylindrischer Bauform anzugeben, wobei das Überspannungsschutzgerät auf eine 3+ 1- bzw. 1 + 1-Schaltung zurückgeht. Bei dem zu realisierenden Überspannungsschutzgerät sollen unerwünschte stromflussbedingte Kräfte vermieden werden, so dass der Aufwand für das Fixieren der Funkenstrecken und der notwendigen Anschluss- und Verbinderflächen innerhalb eines Kompaktgehäuses minimierbar ist.From the foregoing, it is therefore an object of the invention to provide a further developed overvoltage protection device for DIN rail mounting arranged in a housing encapsulated spark gaps in cylindrical design, the surge protection device goes back to a 3+ or 1-1 +1 circuit. In the overvoltage protection device to be realized, unwanted current-flow-related forces should be avoided, so that the outlay for fixing the spark gaps and the necessary connection and connector surfaces within a compact housing can be minimized.
Die Lösung der Aufgabe der Erfindung erfolgt mit einem Überspannungsschutzgerät gemäß der Merkmalskombination nach Anspruch 1, wobei die Unteransprüche mindestens zweckmäßige Ausgestaltungen und Weiterbildungen darstellen.The object of the invention is achieved with a surge protection device according to the combination of features according to claim 1, wherein the dependent claims represent at least expedient refinements and developments.
Erfindungsgemäß sind die einzelnen Funkenstrecken stehend angeordnet, so dass nicht die Notwendigkeit besteht, eine N/PE-Brücke vorzusehen. Durch den Vorteil des Wegfalls der Brücke tritt die beim Stand der Technik vorliegende elektromagnetische Kraft nicht auf, so dass die konstruktiven und mechanischen Anforderungen an die Stabilität des Gehäuses geringer sind mit der Folge eines reduzierten Kostenaufwands bei der Herstellung von Überspannungsschutzgeräten in einem Kompaktgehäuse.According to the invention, the individual spark gaps are arranged upright so that there is no need to provide an N / PE bridge. Due to the advantage of the omission of the bridge, the present in the prior art electromagnetic force does not occur, so that the structural and mechanical requirements for the stability of the housing are lower with the result a reduced cost in the manufacture of surge protectors in a compact enclosure.
Die gekapselten Funkenstrecken werden wie vorerwähnt stehend auf einer ersten internen Anschluss- und Verbinderfläche fixiert. Diese erste Fläche verläuft im Wesentlichen parallel zum Gehäuseboden des Überspannungsschutzgeräts, wobei die erste Anschluss- und Verbinderfläche mit dem N-Anschluss der ersten Klemmreihe vom elektrischen Außenanschluss in Verbindung steht.The encapsulated spark gaps are fixed as mentioned standing on a first internal connection and connector surface. This first surface extends substantially parallel to the housing bottom of the overvoltage protection device, wherein the first connection and connector surface is in communication with the N-terminal of the first terminal row from the external electrical connection.
Zweite bis n-te interne Anschluss- und Verbinderflächen gemäß Li bis Ln stehen jeweils mit der Oberseite der jeweiligen Funkenstrecke und dem jeweiligen Li bis Ln -Anschluss der ersten Klemmreihe in Verbindung.Second to n-th internal connection and connector surfaces according to Li to L n are in each case with the top of the respective spark gap and the respective Li to L n terminal of the first terminal row in combination.
Eine weitere, auf der ersten Anschluss- und Verbinderfläche stehende Funkenstrecke, nämlich die N/PE-Funkenstrecke, weist ebenfalls eine Anschluss- und Verbinderfläche auf ihrer Oberseite auf, welche zum PE-Anschluss der zweiten Klemmreihe führt, die der ersten Klemmreihe an der entsprechenden Gehäuselängsseite gegenüberliegt.Another, on the first connection and connector surface spark gap, namely the N / PE spark gap, also has a connection and connector surface on its upper side, which leads to the PE terminal of the second terminal row, the first terminal row at the corresponding Opposite shell side opposite.
Die Li bis Ln-Funkenstrecken sind nahe der ersten Klemmreihe und die PE-Fun- kenstrecke ist nahe der zweiten Klemmreihe befindlich.The Li to L n spark gaps are close to the first terminal row and the PE spark gap is near the second terminal row.
Oberhalb der stehend angeordneten Funkenstrecken mit den jeweiligen Anschluss- und Verbinderflächen ist eine Isolierplatte vorgesehen, auf welcher sich eine Leiterplatte mit der Funkenstrecken-Triggerelektronik befindet.Above the standing arranged spark gaps with the respective connection and connector surfaces, an insulating plate is provided, on which there is a circuit board with the spark gap trigger electronics.
Das Gehäuse des Kompaktgeräts weist in einer bevorzugten Ausführungsform eine im Wesentlichen quadratische bzw. rechteckige Form auf und besitzt eine Bodenwanne, wobei die Funkenstrecken stehend in der Bodenwanne angeordnet und dort elektrisch kontaktiert sind.In a preferred embodiment, the housing of the compact device has a substantially square or rectangular shape and has a bottom trough, wherein the spark gaps are arranged standing in the bottom trough and electrically contacted there.
Zwischen der Leiterplatte und dem jeweiligen metallischen Mantel der jeweiligen Funkenstrecke ist bei entsprechendem Erfordernis ein Triggerfederkontakt angeordnet, welcher sich in einer Führungsausnehmung der Isolierplatte befindet.Between the printed circuit board and the respective metallic sheath of the respective spark gap a trigger spring contact is arranged with a corresponding requirement, which is located in a guide recess of the insulating plate.
Die Anschluss- und Verbinderflächen sind als metallisches Stanz-Biegeteil ausgeführt und weisen eine hohe Stromtragfähigkeit auf. Durch die Anordnung der Funkenstrecken in stehender Weise mit an den Stirnseiten der zylindrischen Mäntel jeweils befindlichen Anschlusselementen kann bei der gewünschten 3+ 1-Verschaltung ein antiparalleler Stromfluss durch die zum Anschluss und zur Kontaktierung notwendigen Leiter verhindert werden.The connection and connector surfaces are designed as a metal stamped and bent part and have a high current carrying capacity. The arrangement of the spark gaps in a standing manner with each located on the end faces of the cylindrical shells connecting elements in the desired 3 + 1 interconnection an antiparallel current flow through the conductors necessary for connection and contacting can be prevented.
Die Erfindung soll nachstehend anhand eines Ausführungsbeispiels sowie unter Zuhilfenahme von Figuren näher erläutert werden.The invention will be explained below with reference to an embodiment and with the aid of figures.
Hierbei zeigen:Hereby show:
Fig. 1 eine prinzipielle Anordnung von mehreren Funkenstrecken in 3+ 1- bzw. 1 + 1-Schaltung gemäß dem Stand der Technik;1 shows a basic arrangement of several spark gaps in 3+ or 1 + 1 circuit according to the prior art;
Fig. 2 eine Prinzipdarstellung der stehend angeordneten, zylindrischen Funkenstrecken gemäß der Erfindung undFig. 2 is a schematic representation of the standing arranged, cylindrical spark gaps according to the invention and
Fig. 3 eine Explosionsdarstellung einer erfindungsgemäß realisierten Überspannungsschutzgeräte-Anordnung in einem Kompaktgehäuse in 3+1- Schaltung.Fig. 3 is an exploded view of an inventively realized surge protection device arrangement in a compact housing in 3 + 1 circuit.
Bei der Darstellung nach Fig. 1 wird von liegend nebeneinander in einem Gehäuse angeordneten Netzfunkenstrecken und einer ebenfalls liegend angeordneten N/PE-Funkenstrecke ausgegangen. Zwischen den Netzfunkenstrecken und der N/PE-Funkenstrecke ist eine N/PE-Brücke vorgesehen. Der im Überspannungsfall eintretende Stromfluss ist mit ii bis i6 dargestellt, wobei besonders problematisch die Anordnung der parallelen Leiter im Bereich der N/PE-Brücke ist, welche gegensinnig vom elektrischen Strom durchflössen werden, wobei aufgrund der auftretenden elektromagnetischen Felder sehr große abstoßende Kräfte entstehen, die vom Gehäuse der Funkenstreckenanordnung aufgenommen werden müssen. Die abstoßenden Kräfte sind mit der Doppelpfeildarstellung in der Fig. 1 symbolisiert.In the illustration according to FIG. 1, net spark gaps and a likewise arranged N / PE spark gap are assumed to lie side by side in a housing. Between the network spark gaps and the N / PE spark gap, an N / PE bridge is provided. The current flow which occurs in the case of overvoltage is presented with ii to i 6, wherein particularly problematic, the arrangement is of the parallel conductors in the field of N / PE bridge, which are in the opposite direction flows through the electric power, which arise due to the occurring electromagnetic fields very large repulsive forces that must be picked up by the housing of the spark gap arrangement. The repulsive forces are symbolized by the double arrow representation in FIG.
Bei der erfindungsgemäßen Ausführungsform eines Überspannungsschutzgeräts mit in einem Gehäuse angeordneten gekapselten Funkenstrecken in zylindrischer Bauform sind bei einer 3+ 1-Verschaltung drei Netzfunkenstrecken NFS und eine N/PE-Funkenstrecke NPEFS vorgesehen. Die Funkenstrecken sind als gekapselte, druckfeste Funkenstrecken mit einem zylindrischen Außengehäuse und an den Stirnseiten befindlichen elektrischen Kontakten 1 ausgebildet.In the embodiment according to the invention of an overvoltage protection device with encapsulated spark gaps in a cylindrical design arranged in a housing, three network spark gaps NFS and one N / PE spark gap NPEFS are provided in the case of a 3+ 1 interconnection. The spark gaps are formed as encapsulated, flameproof spark gaps with a cylindrical outer housing and electrical contacts 1 located on the end faces.
Die gekapselten Funkenstrecken NFS und NPEFS sind stehend auf einer ersten internen Anschluss- und Verbinderfläche 2 fixiert.The encapsulated spark gaps NFS and NPEFS are fixed standing on a first internal connection and connector surface 2.
Wie aus der Fig. 3 ersichtlich, verläuft die erste interne Anschluss- und Verbinderfläche 2 im Wesentlichen parallel zum Gehäuseboden 3 des Überspannungsschutzgeräts.As can be seen from FIG. 3, the first internal connection and connector surface 2 runs substantially parallel to the housing bottom 3 of the overvoltage protection device.
Die erste interne Anschluss- und Verbinderfläche 2 steht mit dem N-Anschluss der ersten Klemmreihe in Verbindung.The first internal terminal and connector surface 2 communicates with the N-terminal of the first terminal row.
Weitere, nämlich die Anschluss- und Verbinderflächen 4, 5 und 6 sind jeweils mit der Oberseite der jeweiligen Funkenstrecke NFS verbunden und führen auf den jeweiligen Anschluss Li, L2 bzw. L3 der ersten Klemmreihe.Further, namely the connection and connector surfaces 4, 5 and 6 are each connected to the top of the respective spark gap NFS and lead to the respective terminal Li, L 2 and L 3 of the first terminal row.
Die weitere Funkenstrecke, nämlich die NPE-Funkenstrecke NPEFS besitzt ebenfalls eine Anschluss- und Verbinderfläche 7 auf ihrer Oberseite, welche zum PE- Anschluss der zweiten Klemmreihe führt, die der ersten Klemmreihe gegenüberliegt.The further spark gap, namely the NPE spark gap NPEFS also has a connection and connector surface 7 on its top, which leads to the PE terminal of the second terminal row, which is opposite to the first terminal row.
Aus der Darstellung nach Fig. 2 wird deutlich, dass die Funkenstrecken NFS für Li, L2 und L3 nahe der ersten Klemmreihe und die Funkenstrecke NPEFS für PE nahe der zweiten Klemmreihe befindlich ist.From the illustration of Fig. 2 it is clear that the spark gaps NFS for Li, L 2 and L 3 near the first terminal row and the spark gap NPEFS for PE is located near the second terminal row.
Oberhalb der stehenden Funkenstrecken NFS bzw. NPEFS ist gemäß Fig. 3 eine Isolierplatte 8 angeordnet, auf welcher sich eine Leiterplatte 9 mit der Funkenstrecken-Triggerelektronik 10 befindet.Above the standing spark gaps NFS and NPEFS an insulating plate 8 is arranged as shown in FIG. 3, on which there is a circuit board 9 with the spark gap trigger electronics 10.
Das Kompaktgehäuse, welches eine im Wesentlichen quadratische Form aufweist, besitzt eine Bodenwanne 11, wobei in dieser Bodenwanne 11 die Funkenstrecken stehend montiert werden.The compact housing, which has a substantially square shape, has a bottom trough 11, wherein in this bottom trough 11, the spark gaps are mounted standing.
Zwischen den Funkenstrecken befindet sich außerdem mindestens eine Trennwand 12. Zwischen der Leiterplatte 9 und dem jeweiligen metallischen Mantel der jeweiligen Funkenstrecke NFS ist ein Triggerfederkontakt 13 angeordnet, welcher sich in einer Führungsausnehmung 14 der Isolierplatte 8 befindet.Between the spark gaps is also at least one partition 12. Between the circuit board 9 and the respective metallic shell of the respective spark gap NFS a trigger spring contact 13 is arranged, which is located in a guide recess 14 of the insulating plate 8.
Zur optimalen Ausnutzung des Bauraums innerhalb der Bodenwanne 11 ist eine weitere, vertikal orientierte Leiterplatte 15 vorgesehen, die ebenfalls eine Triggerelektronik aufnimmt. Auf dieser Leiterplatte 15 ist ein weiterer Triggerfederkontakt 16 angeordnet, der mit dem Außenmantel der Funkenstrecke NPEFS in Verbindung steht.For optimum utilization of the installation space within the floor pan 11, a further, vertically oriented circuit board 15 is provided, which also receives a trigger electronics. On this circuit board 15, another trigger spring contact 16 is arranged, which is in communication with the outer jacket of the spark gap NPEFS.
Die Anschluss- und Verbinderfläche 7 der Funkenstrecke NPEFS ist abgewinkelt entlang einer Seitenwand der Bodenwanne 11 geführt und geht in die zweite Klemmreihe 17 über.The connection and connector surface 7 of the spark gap NPEFS is guided at an angle along a side wall of the base pan 11 and merges into the second clamping row 17.
Die Bodenwanne 11 wird von einem haubenartigen Deckel 18 verschlossen, welcher mit Hilfe von Schrauben 19 mit der Bodenwanne 11 verbindbar ist. An der Außenunterseite der Bodenwanne 11 befinden sich noch übliche Rastklemmmittel 20 für die bevorzugte Hutschienenmontage des Überspannungsschutzgeräts. Es sei an dieser Stelle angemerkt, dass selbstverständlich auch eine andersartige Befestigung des Überspannungsschutzgeräts möglich ist, ohne den Grundgedanken der beschriebenen Erfindung zu verlassen. The bottom pan 11 is closed by a hood-like cover 18, which is connected by means of screws 19 with the bottom pan 11. On the outer bottom of the floor pan 11 are still common locking clamp 20 for the preferred DIN rail mounting of the surge protective device. It should be noted at this point that, of course, a different attachment of the surge protective device is possible without departing from the spirit of the invention described.

Claims

Patentansprüche claims
1. Überspannungsschutzgerät zur Hutschienenmontage mit in einem Gehäuse angeordneten gekapselten Funkenstrecken in zylindrischer Bauform, wobei am Überspannungsschutzgerät zwei gegenüberliegende Außenanschlussklemmrei- hen vorgesehen sind, wobei hier eine erste Klemmreihe Li bis Ln sowie N und eine zweite Klemmreihe PE-Anschlüsse aufweist, weiterhin umfassend interne Anschluss- und Verbinderflächen sowie zwischen den Funkenstrecken angeordnete Trennwände oder Trennräume, dadurch gekennzeichnet, dass die gekapselten Funkenstrecken stehend auf einer ersten internen Anschluss- und Verbinderfläche (2) fixiert sind und diese erste Fläche (2) parallel zum Gehäuseboden (3) verläuft, wobei die erste Fläche (2) mit dem N-Anschluss der ersten Klemmreihe in Verbindung steht, zweite bis n-te interne Anschluss- und Verbinderflächen (4 bis 6) gemäß Li bis Ln jeweils mit der Oberseite der jeweiligen Funkenstrecke (NFS) und dem jeweiligen Li bis Ln-Anschluss der ersten Klemmreihe in Verbindung stehen, wobei eine weitere, auf der ersten Anschluss- und Verbinderfläche (2) stehende Funkenstrecke (NPEFS) eine Anschluss- und Verbinderfläche (7) auf ihrer Oberseite aufweist, welche zum PE-Anschluss der zweiten Klemmreihe (17) führt.1. overvoltage protection device for DIN rail mounting with arranged in a housing encapsulated spark gaps in cylindrical design, the surge protection device two opposite Außenanschlussklemmrei- hen are provided, in which case a first terminal row Li to L n and N and a second terminal row PE terminals, further comprising internal Connection and connector surfaces and arranged between the spark gaps partitions or separation spaces, characterized in that the encapsulated spark gaps are fixed on a first internal connection and connector surface (2) and this first surface (2) parallel to the housing bottom (3), wherein the first surface (2) communicates with the N-terminal of the first terminal row, second to n-th internal terminal and connector surfaces (4 to 6) of Li to L n respectively to the top of the respective spark gap (NFS) and respective Li to L n terminal of the first terminal row e, wherein another, on the first connection and connector surface (2) standing spark gap (NPEFS) has a connection and connector surface (7) on its upper side, which leads to the PE terminal of the second terminal row (17).
2. Überspannungsschutzgerät nach Anspruch 1, dadurch gekennzeichnet, dass die Li bis Ln-Funkenstrecken (NFS) nahe der ersten Klemmreihe und die PE- Funkenstrecke (NPEFS) nahe der zweiten Klemmreihe (17) befindlich sind.2. Overvoltage protection device according to claim 1, characterized in that the Li to L n -Funkenstrecken (NFS) near the first terminal row and the PE spark gap (NPEFS) near the second terminal row (17) are located.
3. Überspannungsschutzgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass oberhalb der stehenden Funkenstrecken (NFS / NPEFS) mit den jeweiligen Anschluss- und Verbinderflächen (4 bis 7) eine Isolierplatte (8) vorgesehen ist, auf welcher sich eine Leiterplatte (9) mit einer Funkenstrecke-Triggerelektronik (10) befindet.3. Overvoltage protection device according to claim 1 or 2, characterized in that above the standing spark gaps (NFS / NPEFS) with the respective connection and connector surfaces (4 to 7) an insulating plate (8) is provided, on which a printed circuit board (9) with a spark gap trigger electronics (10) is located.
4. Überspannungsschutzgerät nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass das Gehäuse eine im Wesentlichen quadratische Form aufweist und eine Bodenwanne (11) besitzt, wobei die Funkenstrecken (NFS / NPEFS) stehend in der Bodenwanne (11) angeordnet und elektrisch kontaktiert sind.4. Overvoltage protection device according to one of the preceding claims, characterized in that the housing has a substantially square shape and a bottom trough (11), wherein the spark gaps (NFS / NPEFS) standing in the bottom pan (11) are arranged and electrically contacted.
5. Überspannungsschutzgerät nach einem der vorangegangenen Ansprüche, gekennzeichnet durch eine 3+ 1-Verschaltung mit drei Netzfunkenstrecken und einer N/PE-Funkenstre- cke.5. Overvoltage protection device according to one of the preceding claims, characterized by a 3 + 1 circuit with three network spark gaps and an N / PE spark gap.
6. Überspannungsschutzgerät nach Anspruch 3, dadurch gekennzeichnet, dass zwischen der Leiterplatte und dem jeweiligen metallischen Mantel der jeweiligen Funkenstrecke ein Triggerfederkontakt (13) angeordnet ist, welcher sich in einer Führungsausnehmung (14) der Isolierplatte (8) befindet. 6. Overvoltage protection device according to claim 3, characterized in that between the circuit board and the respective metallic shell of the respective spark gap, a trigger spring contact (13) is arranged, which is in a guide recess (14) of the insulating plate (8).
EP06763653A 2005-06-13 2006-06-13 Overvoltage protection device for mounting on top-hat rails, wherein said device comprises cylindrical spark gaps encapsulated in a housing Active EP1776745B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06763653T PL1776745T3 (en) 2005-06-13 2006-06-13 Overvoltage protection device for mounting on top-hat rails, wherein said device comprises cylindrical spark gaps encapsulated in a housing

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202005009262 2005-06-13
DE202005010639U DE202005010639U1 (en) 2005-06-13 2005-07-06 Overvoltage protection device for cover mounting in a housing with encapsulated spark gaps in cylindrical form has two connecting rows
PCT/EP2006/063118 WO2006134095A1 (en) 2005-06-13 2006-06-13 Overvoltage protection device for mounting on top-hat rails, wherein said device comprises cylindrical spark gaps encapsulated in a housing

Publications (2)

Publication Number Publication Date
EP1776745A1 true EP1776745A1 (en) 2007-04-25
EP1776745B1 EP1776745B1 (en) 2007-11-14

Family

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Application Number Title Priority Date Filing Date
EP06763653A Active EP1776745B1 (en) 2005-06-13 2006-06-13 Overvoltage protection device for mounting on top-hat rails, wherein said device comprises cylindrical spark gaps encapsulated in a housing

Country Status (6)

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EP (1) EP1776745B1 (en)
AT (1) ATE378715T1 (en)
BR (1) BRPI0611760A2 (en)
DE (2) DE202005010639U1 (en)
PL (1) PL1776745T3 (en)
WO (1) WO2006134095A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006028959A1 (en) * 2006-06-23 2008-01-31 Dehn + Söhne Gmbh + Co. Kg Plug-in surge arrester with one or more overvoltage protection elements
DE102007012760B4 (en) * 2006-09-22 2015-03-05 Dehn + Söhne Gmbh + Co. Kg Surge arrester with series installation housing

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10125941B4 (en) * 2001-03-13 2009-09-17 Dehn + Söhne Gmbh + Co. Kg Compact arrangement for multi-pole surge current proof surge arresters

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006134095A1 *

Also Published As

Publication number Publication date
ATE378715T1 (en) 2007-11-15
PL1776745T3 (en) 2008-04-30
DE202005010639U1 (en) 2005-09-01
DE502006000184D1 (en) 2007-12-27
WO2006134095A1 (en) 2006-12-21
EP1776745B1 (en) 2007-11-14
BRPI0611760A2 (en) 2010-09-28

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