Nothing Special   »   [go: up one dir, main page]

EP0665619A1 - Separation spark gap for limiting the maximum voltage on a surge arrester - Google Patents

Separation spark gap for limiting the maximum voltage on a surge arrester Download PDF

Info

Publication number
EP0665619A1
EP0665619A1 EP94118945A EP94118945A EP0665619A1 EP 0665619 A1 EP0665619 A1 EP 0665619A1 EP 94118945 A EP94118945 A EP 94118945A EP 94118945 A EP94118945 A EP 94118945A EP 0665619 A1 EP0665619 A1 EP 0665619A1
Authority
EP
European Patent Office
Prior art keywords
spark gap
contact members
air
contact
air spark
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
EP94118945A
Other languages
German (de)
French (fr)
Other versions
EP0665619B1 (en
Inventor
Ralf-Dieter Dipl.-Ing. Busse
Carsten Dipl.-Ing. Storbeck
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.)
TE Connectivity Germany GmbH
Original Assignee
Krone GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Krone GmbH filed Critical Krone GmbH
Publication of EP0665619A1 publication Critical patent/EP0665619A1/en
Application granted granted Critical
Publication of EP0665619B1 publication Critical patent/EP0665619B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6666—Structural association with built-in electrical component with built-in electronic circuit with built-in overvoltage protection
    • 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
    • H01T1/00—Details of spark gaps
    • H01T1/14—Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure
    • 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 air spark gap according to the preamble of claim 1.
  • Surge arresters are used in large areas of telecommunications technology to protect against overvoltages and the resulting overcurrents. These usually have an electrode arrangement in a gas-tight capsule made of glass or ceramic filled with an inert gas, for example neon or argon. Such a surge arrester behaves like a voltage-dependent switch, which forms an arc with a high current carrying capacity (approx. 2.5 kA - 20 kA) after the type-dependent ignition voltage has been exceeded. However, depending on the duration of use and the type of stress, these surge arresters may show signs of aging, a typical phenomenon being an escape of the noble gas from the capsule and a gradual replacement by air. This increases the response voltage of the surge arrester such that it can be a multiple (approx. 2500-5000 V) of the normal value. Therefore, there are demands to provide additional protection that ensures a certain maximum response voltage. This is usually in the range of 1000-1500 V.
  • Such protection can be implemented by an isolating spark gap in air. With electrode distances between 0.1 and 0.5 mm, response voltages of 0.1 kV to 0.5 kV can be achieved.
  • these additional isolating spark gaps result in changed geometric dimensions of the surge arrester and thus a deviation from the standard design; furthermore, this not inconsiderably increases the manufacturing costs.
  • a switching or isolating strip for telecommunications technology onto which at least one surge protection plug with a housing in which a surge arrester is arranged can be plugged.
  • the isolating spark gap can be formed in a narrow space between the contact members, and the desired electrode distances of the spark gap can be obtained with high accuracy and in the simplest way.
  • the flat connection between the electrical insulating film and the other of the contact members on the one hand and the resilient flat contact of one of the contact members on the electrical insulating film on the other hand gives an encapsulated isolating spark gap in which external influences such as air pressure, air humidity and contamination on the breakdown voltage can be largely prevented.
  • the surge protection plug has a housing which consists of a lower part 1 made of plastic and a cover 2 made of metal.
  • the cover 2 is electrically connected to a common electrode (not shown), so that it forms the earth contact.
  • two tabs 3 and 4 are led out of the housing, which are connected to an a-wire or b-wire of a telecommunication line when the overvoltage protection plug is plugged on.
  • one surge arrester 5 is connected between the tongue 3 and the cover 2 or the tongue 4 and the lid 2, an electrically conductive melting pill 6 being additionally arranged between the tongue 3 and 4 and the associated surge arrester 5.
  • the cover 2 is provided with two foot-like contact elements 7 which, when the surge protective plug is plugged in (FIG. 2), are pressed resiliently against the respective tongue 3 or 4. In the unplugged state (Fig. 1), the contact elements 7 are lifted from the respective tongue 3 or 4. There is a relatively large contact area between the respective tongue 3 or 4 and the associated contact element 7 when plugged in.
  • an electrical insulating film 8 or 9 is glued to it. This thus prevents direct contact between the tongue 3 or 4 and the associated contact element 7.
  • the two electrical insulating foils 8 and 9 each have a hole 10 or 11 in the region of the contact surface, so that the tongue 3 or 4 and the associated one Contact element 7 here are separated from each other only by an air gap of a length corresponding to the thickness of the electrical insulating film 8 or 9.
  • the breakdown voltage between the tongue 3 or 4 and the associated contact element 7 or the cover 2 (collector) can therefore be chosen accordingly the thickness of the electrical insulating film 8 or 9 can be set. Thickness tolerances of the electrical insulation film of maximum 3 ⁇ m allow a high degree of accuracy when setting different breakdown voltages.
  • a highly inhomogeneous electric field can be formed between the tongue 3 or 4 and the associated contact element 7, so that a breakdown characteristic as in a plate-tip arrangement is achieved can be.
  • the dielectric strength is thus considerably reduced, so that, for example, a larger electrode spacing or a thicker electrical insulating film can be used for a specific dielectric breakdown voltage.
  • a sufficiently large electrode spacing is possible even at a low breakdown voltage, so that welding of the electrodes can be largely ruled out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Thermistors And Varistors (AREA)

Abstract

The present invention relates to an air spark gap for determining the maximum voltage at an aged voltage surge suppressor (5) comprising an electrode arrangement in a capsule filled with an inert gas. The voltage surge suppressor is disposed in a voltage surge protection plug. The air spark gap is disposed between two contact members (2, 3 or 4, resp.) parallel to the voltage surge suppressor. The one (2) of the contact members is electrically connected with a contact element (7) resting, in the plugged-on condition of the voltage surge protection plug, resiliently on a surface portion against the other one (3, 4) of the contact members. For an electrical disconnection, an electrical insulation foil (8, 9) having a given thickness is arranged between the contact element and the other one of the contact members, said electrical insulation foil being provided with an opening for forming an air gap therebetween.

Description

Die Erfindung betrifft eine Luftfunkenstrecke nach dem Oberbegriff des Anspruches 1.The invention relates to an air spark gap according to the preamble of claim 1.

In großen Bereichen der Fernmeldetechnik werden Überspannungsableiter zum Schutz gegen Überspannungen und den daraus resultierenden Überströmen eingesetzt. Diese weisen üblicherweise eine Elektrodenanordnung in einer mit einem Edelgas, z.B. Neon oder Argon, gefüllten gasdichten Kapsel aus Glas oder Keramik auf. Ein derartiger Überspannungsableiter verhält sich wie ein spannungsabhängiger Schalter, der nach dem Überschreiten der typenabhängigen Zündspannung einen Lichtbogen mit hoher Stromtragfähigkeit (ca. 2,5 kA - 20 kA) ausbildet. Jedoch können diese Überspannungsableiter je nach Dauer des Einsatzes und Art der Belastungen Alterungserscheinungen aufweisen, wobei eine typische Erscheinung ein Entweichen des Edelgases aus der Kapsel und ein allmähliches Ersetzen durch Luft ist. Hierdurch steigt die Ansprechspannung des Überspannungsableiters derart, daß sie ein Mehrfaches (ca. 2500-5000 V) des normalen Wertes betragen kann. Daher bestehen Forderungen, einen zusätzlichen Schutz vorzusehen, der eine bestimmte maximale Ansprechspannung sicherstellt. Diese liegt üblicherweise im Bereich von 1000-1500 V.Surge arresters are used in large areas of telecommunications technology to protect against overvoltages and the resulting overcurrents. These usually have an electrode arrangement in a gas-tight capsule made of glass or ceramic filled with an inert gas, for example neon or argon. Such a surge arrester behaves like a voltage-dependent switch, which forms an arc with a high current carrying capacity (approx. 2.5 kA - 20 kA) after the type-dependent ignition voltage has been exceeded. However, depending on the duration of use and the type of stress, these surge arresters may show signs of aging, a typical phenomenon being an escape of the noble gas from the capsule and a gradual replacement by air. This increases the response voltage of the surge arrester such that it can be a multiple (approx. 2500-5000 V) of the normal value. Therefore, there are demands to provide additional protection that ensures a certain maximum response voltage. This is usually in the range of 1000-1500 V.

Ein derartiger Schutz kann durch eine Trennfunkenstrecke in Luft realisiert werden. Mit Elektrodenabständen zwischen 0,1 und 0,5 mm können dabei Ansprechspannungen von 0,1 kV bis 0,5 kV erzielt werden. Diese zusätzlichen Trennfunkenstrecken bedingen jedoch veränderte geometrische Abmessungen des Überspannungsableiters und somit ein Abweichen von der Standardbauform; weiterhin erhöhen sich hierdurch die Herstellungskosten nicht unbeträchtlich.Such protection can be implemented by an isolating spark gap in air. With electrode distances between 0.1 and 0.5 mm, response voltages of 0.1 kV to 0.5 kV can be achieved. However, these additional isolating spark gaps result in changed geometric dimensions of the surge arrester and thus a deviation from the standard design; furthermore, this not inconsiderably increases the manufacturing costs.

Aus der DE 38 13 889 C1 ist eine Schalt- oder Trennleiste für die Fernmeldetechnik bekannt, auf die mindestens ein Überspannungsschutzstecker mit einem Gehäuse, in welchem ein Überspannungsableiter angeordnet ist, aufsteckbar ist.From DE 38 13 889 C1 a switching or isolating strip for telecommunications technology is known, onto which at least one surge protection plug with a housing in which a surge arrester is arranged can be plugged.

Es ist die Aufgabe der vorliegenden Erfindung, einen Überspannungsableiter mit einer zusätzlichen Luftfunkenstrecke in der Weise zu versehen, daß trotz Einhalten der entsprechenden Prüfvorschriften keine Veränderung der geometrischen Abmessungen, beispielsweise des Gehäuses des Überspannungsableiters, erforderlich ist und die Herstellungskosten nur geringfügig erhöht werden, außerdem soll die Trennfunkenstrecke vor äußeren Einflüssen weitgehend geschützt sein.It is the object of the present invention to provide a surge arrester with an additional air spark gap in such a way that, despite compliance with the corresponding test regulations, no change in the geometric dimensions, for example the housing of the surge arrester, is required and the manufacturing costs are to be increased only slightly, moreover the isolating spark gap must be largely protected from external influences.

Diese Aufgabe wird erfindungsgemäß gelöst durch die im kennzeichnenden Teil des Anspruchs 1 angegebenen Merkmale. Vorteilhafte Weiterbildungen der erfindungsgemäßen Trennfunkenstrecke ergeben sich aus den Unteransprüchen.This object is achieved by the features specified in the characterizing part of claim 1. Advantageous further developments of the isolating spark gap according to the invention result from the subclaims.

Dadurch, daß das eine der Kontaktglieder elektrisch mit einem Kontaktelement verbunden ist, das federnd an dem anderen der Kontaktglieder flächig anliegt, derart, daß zur elektrischen Trennung eine Elektroisolierfolie mit vorgegebener Dicke zwischen ihnen angeordnet ist, die zur Bildung einer Luftstrecke zwischen dem anderen der Kontaktglieder und dem Kontaktelement mit einem Loch versehen ist, kann die Trennfunkenstrecke auf engem Raum zwischen den Kontaktgliedern ausgebildet werden, und es können die gewünschten Elektrodenabstände der Funkenstrecke mit hoher Genauigkeit und auf einfachste Weise erhalten werden. Durch die flächige Verbindung zwischen der Elektroisolierfolie und dem anderen der Kontaktglieder einerseits und die federnde flächeige Auflage des einen der Kontaktglieder auf der Elektroisolierfolie andererseits erhält man eine gekapselte Trennfunkenstrecke, bei der äußere Einflüsse wie Luftdruck, Luftfeuchtigkeit und Verschmutzungen auf die Durchschlagspannung weitgehend unterbunden werden können.Characterized in that one of the contact members is electrically connected to a contact element which resiliently abuts the other of the contact members, such that an electrical insulating film with a predetermined thickness is arranged between them for electrical separation, which to form an air gap between the other of the contact members and the contact element is provided with a hole, the isolating spark gap can be formed in a narrow space between the contact members, and the desired electrode distances of the spark gap can be obtained with high accuracy and in the simplest way. The flat connection between the electrical insulating film and the other of the contact members on the one hand and the resilient flat contact of one of the contact members on the electrical insulating film on the other hand gives an encapsulated isolating spark gap in which external influences such as air pressure, air humidity and contamination on the breakdown voltage can be largely prevented.

Die Erfindung wird im folgenden anhand eines in den Figuren dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:

Fig. 1 -
eine Schnittansicht eines Überspannungsschutzsteckers im Ausgangszustand,
Fig. 2 -
die Schnittansicht des Überspannungsschutzsteckers nach Fig. 1 im aufgesteckten Zustand,
Fig. 3 -
das Kontaktglied für die a-Ader in der Seitenansicht (a) und ein Teil von diesem in der Draufsicht (b), und
Fig. 4 -
das Kontaktglied für die b-Ader in der Seitenansicht (a) und in der Draufsicht (b).
The invention is explained below with reference to an embodiment shown in the figures. Show it:
Fig. 1 -
1 shows a sectional view of an overvoltage protection plug in the initial state,
Fig. 2 -
1 in the plugged-in state,
Fig. 3 -
the contact member for the a-wire in the side view (a) and a part thereof in the top view (b), and
Fig. 4 -
the contact member for the b-wire in the side view (a) and in the top view (b).

Der Überspannungsschutzstecker weist ein Gehäuse auf, das aus einem Unterteil 1 aus Kunststoff und einem Deckel 2 aus Metall besteht. Der Deckel 2 ist im auf eine Schalt- oder Trennleiste aufgesteckten Zustand des Überspannungsschutzsteckers elektrisch mit einem nicht gezeigten Sammelerder verbunden, so daß er den Erdkontakt bildet. Weiterhin sind zwei Steckzungen 3 und 4 aus dem Gehäuse herausgeführt, die im aufgesteckten Zustand des Überspannungsschutzsteckers mit einer a-Ader bzw. b-Ader einer Fernmeldeleitung verbunden sind. Jeweils ein Überspannungsableiter 5 ist zwischen die Steckzunge 3 und den Deckel 2 bzw. die Steckzunge 4 und den Deckel 2 geschaltet, wobei zusätzlich zwischen der Steckzunge 3 bzw. 4 und dem zugehörigen Überspannungsableiter 5 jeweils eine elektrisch leitende Schmelzpille 6 angeordnet ist.The surge protection plug has a housing which consists of a lower part 1 made of plastic and a cover 2 made of metal. When the overvoltage protection plug is plugged into a switch or isolating strip, the cover 2 is electrically connected to a common electrode (not shown), so that it forms the earth contact. Furthermore, two tabs 3 and 4 are led out of the housing, which are connected to an a-wire or b-wire of a telecommunication line when the overvoltage protection plug is plugged on. In each case one surge arrester 5 is connected between the tongue 3 and the cover 2 or the tongue 4 and the lid 2, an electrically conductive melting pill 6 being additionally arranged between the tongue 3 and 4 and the associated surge arrester 5.

Tritt eine die Ansprechspannung mindestens eines der Überspannungsableiter 5 übersteigende Überspannung in der Fernmeldeanlage und damit zwischen dem den Erdkontakt bildenden Deckel 2 und zumindest einer der Steckzungen 3 oder 4 auf, dann zündet der entsprechende mit Edelgas gefüllte Überspannungsableiter 5, so daß die Überspannung durch die niederohmige Verbindung über diesen Überspannungsableiter 5 abgeleitet wird. Dauert die Zündung des Überspannungsableiters 5 an, dann schmilzt die entsprechende Schmelzpille 6 durch die erzeugte Wärme, so daß die zugehörige, federnd nach oben vorgespannte Steckzunge 3 bzw. 4 in Berührung mit dem Deckel 2 gelangt, wodurch der Überspannungsableiter 5 kurzgeschlossen und damit seine Zerstörung durch Überhitzung verhindert wird.If a surge voltage exceeding the response voltage of at least one of the surge arresters 5 occurs in the telecommunications system and thus between the cover 2 forming the earth contact and at least one of the tongues 3 or 4, then the corresponding surge arrester 5 filled with inert gas ignites, so that the surge voltage is caused by the low impedance connection is derived via this surge arrester 5. If the ignition of the surge arrester 5 continues, then the corresponding melting pill 6 melts due to the heat generated, so that the associated spring-loaded tongue 3 or 4 comes into contact with the cover 2, causing the surge arrester 5 to be short-circuited and thus destroyed is prevented by overheating.

Der Deckel 2 ist mit zwei fußartigen Kontaktelementen 7 versehen, die, wenn der Überspannungsschutzstecker aufgesteckt ist (Fig. 2), federnd gegen die jeweilige Steckzunge 3 bzw. 4 gedrückt werden. Im nicht aufgesteckten Zustand (Fig. 1) sind die Kontaktelemente 7 von der jeweiligen Steckzunge 3 bzw. 4 abgehoben. Zwischen der jeweiligen Steckzunge 3 bzw. 4 und dem zugehörigen Kontaktelement 7 besteht im aufgesteckten Zustand eine relativ große Kontaktfläche.The cover 2 is provided with two foot-like contact elements 7 which, when the surge protective plug is plugged in (FIG. 2), are pressed resiliently against the respective tongue 3 or 4. In the unplugged state (Fig. 1), the contact elements 7 are lifted from the respective tongue 3 or 4. There is a relatively large contact area between the respective tongue 3 or 4 and the associated contact element 7 when plugged in.

In dem Bereich, in welchem beim Aufstecken des Überspannungsschutzsteckers der flächige Kontakt zwischen den Kontaktelementen 7 und der jeweiligen Steckzunge 3 bzw. 4 hergestellt wird, ist auf diese eine Elektroisolierfolie 8 bzw. 9 aufgeklebt. Diese verhindert somit einen direkten Kontakt zwischen der Steckzunge 3 bzw. 4 und dem zugehörigen Kontaktelement 7. Die beiden Elektroisolierfolien 8 und 9 haben jedoch im Bereich der Kontaktfläche jeweils ein Loch 10 bzw. 11, so daß die Steckzunge 3 bzw. 4 und das zugehörige Kontaktelement 7 hier nur durch eine Luftstrecke von einer der Dicke der Elektroisolierfolie 8 bzw. 9 entsprechenden Länge voneinander getrennt sind. Die Durchschlagspannung zwischen der Steckzunge 3 bzw. 4 und dem Zugehörigen Kontaktelement 7 bzw. dem Deckel 2 (Sammelerder) kann daher durch entsprechende Wahl der Dicke der Elektroisolierfolie 8 bzw. 9 eingestellt werden. Dickentoleranzen der Elektroisolierfolie von maximal 3 µm erlauben auf einfache Weise eine große Genauigkeit bei der Einstellung verschiedener Durchschlagspannungen.In the area in which the two-dimensional contact between the contact elements 7 and the respective tongue 3 or 4 is made when the overvoltage protection plug is plugged in, an electrical insulating film 8 or 9 is glued to it. This thus prevents direct contact between the tongue 3 or 4 and the associated contact element 7. However, the two electrical insulating foils 8 and 9 each have a hole 10 or 11 in the region of the contact surface, so that the tongue 3 or 4 and the associated one Contact element 7 here are separated from each other only by an air gap of a length corresponding to the thickness of the electrical insulating film 8 or 9. The breakdown voltage between the tongue 3 or 4 and the associated contact element 7 or the cover 2 (collector) can therefore be chosen accordingly the thickness of the electrical insulating film 8 or 9 can be set. Thickness tolerances of the electrical insulation film of maximum 3 µm allow a high degree of accuracy when setting different breakdown voltages.

Durch eine entsprechende Ausbildung der Löcher 10 und 11 (Größe und Form) kann in diesen ein stark inhomogenes elektrisches Feld zwischen der Steckzunge 3 bzw. 4 und dem zugehörigen Kontaktelement 7 ausgebildet werden, so daß eine Durchschlagcharakteristik wie bei einer Platte-Spitze-Anordnung erreicht werden kann. Die Durchschlagfestigkeit wird somit erheblich herabgesetzt, so daß beispielsweise für eine bestimmte Durchschlagspannung ein größerer Elektrodenabstand bzw. eine dickere Elektroisolierfolie verwendet werden kann. Hierdurch ist auch bei einer niedrigen Durchschlagspannung ein ausreichend großer Elektrodenabstand möglich, so daß ein Verschweißen der Elektroden weitgehend ausgeschlossen werden kann.By appropriately designing the holes 10 and 11 (size and shape), a highly inhomogeneous electric field can be formed between the tongue 3 or 4 and the associated contact element 7, so that a breakdown characteristic as in a plate-tip arrangement is achieved can be. The dielectric strength is thus considerably reduced, so that, for example, a larger electrode spacing or a thicker electrical insulating film can be used for a specific dielectric breakdown voltage. As a result, a sufficiently large electrode spacing is possible even at a low breakdown voltage, so that welding of the electrodes can be largely ruled out.

Claims (10)

Luftfunkenstrecke zum Festlegen der Höchstspannung an einem Überspannungsableiter, der eine Elektrodenanordnung in einer Edelgas gefüllten Kapsel aufweist, wobei die Luftfunkenstrecke zwischen zwei Kontaktgliedern parallel zum Überspannungsableiter angeordnet ist,
dadurch gekennzeichnet,
daß das eine (2) der Kontaktglieder elektrisch mit einem Kontaktelement (7) verbunden ist, das federnd an dem anderen (3,4) der Kontaktglieder flächig anliegt, derart, daß zur elektrischen Trennung mindestens eine Elektroisolierfolie (8,9) mit vorgegebener Dicke zwischen ihnen angeordnet ist, die zur Bildung einer Luftstrecke zwischen dem anderen (3,4) der Kontaktglieder und dem Kontaktelement (7) mit einer Öffnung (10,11) versehen ist.Air spark gap for determining the maximum voltage on a surge arrester which has an electrode arrangement in a capsule filled with noble gas, the air spark gap being arranged parallel to the surge arrester between two contact members,
characterized by
that one (2) of the contact members is electrically connected to a contact element (7) which resiliently rests on the other (3, 4) of the contact members, such that at least one electrical insulating film (8, 9) with a predetermined thickness is used for electrical separation is arranged between them, which is provided to form an air gap between the other (3, 4) of the contact members and the contact element (7) with an opening (10, 11). Luftfunkenstrecke nach Anspruch 1, dadurch gekennzeichnet, daß der Überspannungsableiter (5) in einem Überspannungsschutzstecker angeordnet ist und daß das Kontaktelement (7) im aufgesteckten Zustand des Überspannungsschutzsteckers an dem anderen der Kontaktglieder (3,4) anliegt.Air spark gap according to claim 1, characterized in that the surge arrester (5) is arranged in an overvoltage protection plug and that the contact element (7) is in contact with the other of the contact members (3, 4) when the overvoltage protection plug is plugged in. Luftfunkenstrecke nach Anspruch 2, dadurch gekennzeichnet, daß der Überspannungsschutzstecker auf eine Schalt- oder Trennleiste für die Fernmeldetechnik aufsteckbar ist.Air spark gap according to Claim 2, characterized in that the overvoltage protection plug can be plugged onto a switching or isolating strip for the telecommunications technology. Luftfunkenstrecke nach Anspruch 3, dadurch gekennzeichnet, daß das eine (2) der Kontaktglieder mit einem Sammelerder und das andere (3,4) der Kontaktglieder mit einer a- bzw. b-Ader verbunden ist.Air spark gap according to Claim 3, characterized in that one (2) of the contact members is connected to a common electrode and the other (3, 4) of the contact members is connected to an a or b wire. Luftfunkenstrecke nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß die Kontaktglieder (3,4) in Form von Steckzungen ausgebildet sind.Air spark gap according to one of Claims 2 to 4, characterized in that the contact members (3, 4) are designed in the form of tongue tongues. Luftfunkenstrecke nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Kontaktelement (7) von dem einen (2) der Kontaktglieder federnd gegen das andere (3,4) der Kontaktglieder gedrückt wird.Air spark gap according to one of Claims 1 to 5, characterized in that the contact element (7) is pressed resiliently by one (2) of the contact members against the other (3, 4) of the contact members. Luftfunkenstrecke nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Elektroisolierfolie (8,9) eine Mindestdicke von 100 µm hat.Air spark gap according to one of claims 1 to 6, characterized in that the electrical insulating film (8,9) has a minimum thickness of 100 µm. Luftfunkenstrecke nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Elektroisolierfolie (8,9) auf das andere (3,4) der Kontaktglieder aufgeklebt ist.Air spark gap according to one of claims 1 to 7, characterized in that the electrical insulating film (8, 9) is glued to the other (3, 4) of the contact members. Luftfunkenstrecke nach einem der Ansprüche 2 bis 8, dadurch gekennzeichnet, daß sie im Gehäuse (1,2) des Überspannungsschutzsteckers angeordnet ist.Air spark gap according to one of Claims 2 to 8, characterized in that it is arranged in the housing (1, 2) of the surge protection plug. Luftfunkenstrecke nach einem der Ansprüche 2 bis 9, dadurch gekennzeichnet, daß das Loch (10,11) in der Elektroisolierfolie (8,9) eine solche Größe und/oder Form hat, daß in der Luftstrecke ein stark inhomogenes elektrisches Feld gebildet ist.Air spark gap according to one of Claims 2 to 9, characterized in that the hole (10, 11) in the electrical insulating film (8, 9) has a size and / or shape such that a strongly inhomogeneous electric field is formed in the air gap.
EP94118945A 1994-01-28 1994-12-01 Separation spark gap for limiting the maximum voltage on a surge arrester Expired - Lifetime EP0665619B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4403053A DE4403053C1 (en) 1994-01-28 1994-01-28 Air spark gap for fixing the maximum voltage on a overvoltage suppressor
DE4403053 1994-01-28

Publications (2)

Publication Number Publication Date
EP0665619A1 true EP0665619A1 (en) 1995-08-02
EP0665619B1 EP0665619B1 (en) 1997-03-05

Family

ID=6509219

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94118945A Expired - Lifetime EP0665619B1 (en) 1994-01-28 1994-12-01 Separation spark gap for limiting the maximum voltage on a surge arrester

Country Status (9)

Country Link
US (1) US5574615A (en)
EP (1) EP0665619B1 (en)
AT (1) ATE149751T1 (en)
BR (1) BR9500337A (en)
CA (1) CA2140735A1 (en)
DE (2) DE4403053C1 (en)
DK (1) DK0665619T3 (en)
ES (1) ES2099527T3 (en)
GR (1) GR3022749T3 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SI0797379T1 (en) * 1996-03-18 2003-04-30 Krone Gmbh Circuit board and process for mounting and soldering of electronic components in accurate positions on the surface of the circuit board
DE19620340C1 (en) * 1996-05-21 1997-10-16 Krone Ag Circuit board for precise placement and soldering of electronic components e.g. for fitting overvoltage protection modules
AUPP308498A0 (en) * 1998-04-20 1998-05-14 Krone Aktiengesellschaft Electrical connector
AU741657B2 (en) * 1998-04-20 2001-12-06 Adc Gmbh Electrical connector
EP1148602B1 (en) * 2000-04-20 2003-11-26 Siemens Aktiengesellschaft Overvoltage arrester device
DE102004061681B4 (en) 2004-12-22 2006-10-26 Adc Gmbh Cable connectors for printed circuit boards
US8064182B2 (en) 2007-02-28 2011-11-22 Adc Telecommunications, Inc. Overvoltage protection plug
DE102007050590B4 (en) * 2007-10-23 2017-04-13 Tyco Electronics Services Gmbh Distribution connection module
US7946863B2 (en) * 2008-04-25 2011-05-24 Adc Telecommunications, Inc. Circuit protection block
US8411404B2 (en) * 2008-05-27 2013-04-02 Adc Telecommunications, Inc. Overvoltage protection plug

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4133019A (en) * 1976-11-12 1979-01-02 Tii Corporation Air gap back-up surge arrester
US4303959A (en) * 1977-10-18 1981-12-01 Tii Industries, Inc. Fail safe surge arrester systems
DE3813889C1 (en) * 1988-04-20 1989-04-06 Krone Ag, 1000 Berlin, De

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1847474U (en) * 1961-07-21 1962-03-01 Siemens Ag VERSION FOR SURGE ARRESTER.
US3898533A (en) * 1974-03-11 1975-08-05 Bell Telephone Labor Inc Fail-safe surge protective device
GB2205992B (en) * 1987-05-01 1991-07-17 Dubilier Plc Gas-filled surge arrestor
US5050033A (en) * 1991-02-19 1991-09-17 Tii Industries, Inc. Back-up surge arresters

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4133019A (en) * 1976-11-12 1979-01-02 Tii Corporation Air gap back-up surge arrester
US4303959A (en) * 1977-10-18 1981-12-01 Tii Industries, Inc. Fail safe surge arrester systems
DE3813889C1 (en) * 1988-04-20 1989-04-06 Krone Ag, 1000 Berlin, De
EP0338187A2 (en) * 1988-04-20 1989-10-25 KRONE Aktiengesellschaft Safety plug for switching or disconnecting rails

Also Published As

Publication number Publication date
BR9500337A (en) 1995-10-17
DE59401940D1 (en) 1997-04-10
US5574615A (en) 1996-11-12
DK0665619T3 (en) 1997-03-24
GR3022749T3 (en) 1997-06-30
ATE149751T1 (en) 1997-03-15
DE4403053C1 (en) 1995-03-23
ES2099527T3 (en) 1997-05-16
EP0665619B1 (en) 1997-03-05
CA2140735A1 (en) 1995-07-29

Similar Documents

Publication Publication Date Title
DE69633848T2 (en) PCB spark gap
EP2630707B1 (en) Spark gap having a plurality of series-connected individual spark gaps, which are located in a stack arrangement
DE4342635C2 (en) Surge protection for electrical devices
DE69120063T2 (en) CIRCUIT COMPONENTS AND CIRCUITS FOR POWER LINE FILTERS AND OVERVOLTAGE PROTECTION
DE3011465C2 (en) Spark gap on a circuit board
DE3886898T2 (en) SURGE ARRESTERS.
DE2738077A1 (en) FAIL-PROOF DEVICE WITH MULTIPLE FUNCTIONS FOR OVERVOLTAGE PROTECTION DEVICES
EP1407460A2 (en) Overvoltage arrester
EP0665619B1 (en) Separation spark gap for limiting the maximum voltage on a surge arrester
DE19823446A1 (en) Over-voltage protection module for telecommunication arrangement
EP1412953B1 (en) Electroceramic component
DE3716997A1 (en) Overvoltage protection apparatus
EP0016850B1 (en) Surge voltage diverter to protect several conductors simultaneously
WO1998037605A1 (en) Gas-filled surge protector with external short-circuiting device
EP1456921B1 (en) Overvoltage protection device
DE102008064794B3 (en) Spark gap arrangement for higher rated voltages
DE10018012A1 (en) Pressure proof encapsulated spark gap arrangement for leading off damaging disturbance variables due to overvoltages, has two opposing electrodes
DE10146728B4 (en) Overvoltage protection device
DE102004005129B4 (en) Device with sensitive component structures and method of manufacture
DE102016116148B4 (en) Gas arrestor and use of a gas arrestor
DE3709875A1 (en) Protective connector for telecommunication connecting or disconnecting blocks
DE202019103963U1 (en) Circuit board with protective element
EP3353863B1 (en) Surge protection component and method for producing a surge protection component
EP2089893B1 (en) Overcurrent protection unit for use in overvoltage protection devices having high rated voltages
DE10066231B4 (en) Pressure proof encapsulated spark gap arrangement for leading off damaging disturbance variables due to overvoltages, has two opposing electrodes

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

17P Request for examination filed

Effective date: 19950630

17Q First examination report despatched

Effective date: 19951113

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

REF Corresponds to:

Ref document number: 149751

Country of ref document: AT

Date of ref document: 19970315

Kind code of ref document: T

ITF It: translation for a ep patent filed
REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: MICHELI & CIE INGENIEURS-CONSEILS

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19970305

REF Corresponds to:

Ref document number: 59401940

Country of ref document: DE

Date of ref document: 19970410

ET Fr: translation filed
REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: 72412

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2099527

Country of ref document: ES

Kind code of ref document: T3

REG Reference to a national code

Ref country code: GR

Ref legal event code: FG4A

Free format text: 3022749

REG Reference to a national code

Ref country code: PT

Ref legal event code: SC4A

Free format text: AVAILABILITY OF NATIONAL TRANSLATION

Effective date: 19970307

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19971201

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IE

Payment date: 19971222

Year of fee payment: 4

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19971231

Year of fee payment: 4

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980630

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19981116

Year of fee payment: 5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981201

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19981218

Year of fee payment: 5

Ref country code: FR

Payment date: 19981218

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 19981221

Year of fee payment: 5

Ref country code: DK

Payment date: 19981221

Year of fee payment: 5

Ref country code: BE

Payment date: 19981221

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19981222

Year of fee payment: 5

Ref country code: AT

Payment date: 19981222

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GR

Payment date: 19981223

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19981228

Year of fee payment: 5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19991001

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19991201

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19991201

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19991201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19991202

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19991231

Ref country code: GR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19991231

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19991231

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19991231

BERE Be: lapsed

Owner name: KRONE A.G.

Effective date: 19991231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000701

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19991201

EUG Se: european patent has lapsed

Ref document number: 94118945.8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000831

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20000701

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20001202

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: PT

Payment date: 20011120

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030630

REG Reference to a national code

Ref country code: PT

Ref legal event code: MM4A

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20030630

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20010113

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20051201