EP3375057B1 - Horn spark gap having a deion chamber in non-discharging design - Google Patents

Horn spark gap having a deion chamber in non-discharging design Download PDF

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Publication number
EP3375057B1
EP3375057B1 EP16785483.5A EP16785483A EP3375057B1 EP 3375057 B1 EP3375057 B1 EP 3375057B1 EP 16785483 A EP16785483 A EP 16785483A EP 3375057 B1 EP3375057 B1 EP 3375057B1
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EP
European Patent Office
Prior art keywords
horn
housing
electrodes
arc
spark gap
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EP16785483.5A
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German (de)
French (fr)
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EP3375057A1 (en
Inventor
Uwe Strangfeld
Stephan Hierl
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Dehn SE and Co KG
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Dehn and Soehne GmbH and Co KG
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Priority to SI201630804T priority Critical patent/SI3375057T1/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
    • H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
    • H01T4/14—Arcing horns
    • 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
    • H01T1/02—Means for extinguishing arc
    • 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
    • H01T1/02—Means for extinguishing arc
    • H01T1/04—Means for extinguishing arc using magnetic blow-out

Definitions

  • the invention relates to a horn spark gap with a non-blowout deion chamber with an insulating housing as a support and receiving body for the horn electrodes and the deion chamber, and means for guiding the gas flow caused by the arc according to the preamble of claim 1.
  • the DE 10 2011 102 257 A1 shows a horn spark gap with deion chamber in non-blowing design, which consists of a multi-part insulating material housing.
  • the horn electrodes and the deion chamber are located in the insulating housing. Means for guiding the gas flow caused by the arc are also present.
  • the insulating material housing there is divided in the plane spanned by the horn electrodes and forms a first and a second half-shell.
  • the horn electrodes are implemented asymmetrically.
  • the arc running area between the electrodes is limited in the direction of the deion chamber by a plate-shaped insulating material.
  • the known horn spark gaps are particularly suitable for deriving high lightning impulse currents, but also for limiting and extinguishing large network follow currents.
  • it has already been possible to integrate previously known horn spark gap arrangements with deion chambers in modular installation devices it is problematic to further improve the discharge capacity or the follow-up current extinguishing capacity by simple series or parallel connections.
  • a conceivable arrangement of several horn spark gaps with quenching or deion chambers in a DIN rail housing definitely requires more space and is costly due to the duplication of the individual components.
  • the arcs that occur when the spark gaps are ignited are affected that a desired, reproducible deletion behavior is not guaranteed under all conceivable conditions.
  • a horn spark gap with a deion chamber preferably of a non-blowing design
  • the horn spark gap is located in an insulating material housing, which serves as a support and receiving body for the horn electrodes and the deion chamber.
  • Means for guiding the gas flow caused by the arc are also present. These means can special deflecting elements such as Splinters, but also targeted openings and recesses in the interior of the housing.
  • the horn electrodes of a pair of horn electrodes have an asymmetrical shape, namely a longer and a shorter electrode. In a preferred embodiment, both electrodes are formed almost parallel and with a low divergence in the ignition area.
  • the arc running area between the electrodes is limited in the direction of the deion chamber by appropriate design measures.
  • the housing has formations which accommodate a central deion chamber part or two separate deion chamber parts, openings or openings being provided in the housing and the electrodes leading to the respective deion chamber part, so that the gas flow at least partially reaches the respective deion chamber.
  • the housing can have a sandwich structure and consist of half shells.
  • At least two horn spark gaps in the housing which have separate electrical connections for optional series or parallel connection of the spark gaps integrated in the housing.
  • a partition is formed within the housing in order to achieve a separation of the arc combustion chambers and to enable a gas flow to move the arc base.
  • the horn spark gaps are preferably formed adjacent to one another in one plane. According to the invention, the arrangement of the horn spark gaps with corresponding horn electrodes is mirror-symmetrical.
  • the deion chamber comprises, in a manner known per se, a multiplicity of spaced-apart individual sheets, which in one embodiment can have a V-shaped notch, the V-opening of which is directed towards the horn spark gap in order to determine the choice of the distance between the individual sheets and / or an additional insulation Set or specify the flow resistance in the inlet area of the deion chamber.
  • the deion chamber is also preferably mirror-symmetrical with openings V-shaped on both sides, and in the first embodiment the partition is arranged to run over the axis of symmetry.
  • the deion chamber can have ventilation openings, the number, size and shape of which allow the flow resistance in the inlet area to be set or predefined.
  • a trigger electrode can be arranged in the ignition area, the trigger electrode being able to comprise a conductive element which is surrounded by a sliding distance or has adjacent sliding distances.
  • the partition can therefore be arranged between two back-to-back deion chambers according to the above description of the first embodiment.
  • the horn spark gap with a deion chamber for arc quenching within the insulating material housing is designed such that measures are taken to set a different behavior of the arc arising from a pulse current load on the one hand and the arc sequence-related arc on the other hand, for this purpose the distance between the opposite electrode surfaces of the horn spark gaps in the ignition area is kept narrow and the arrangement of the opposite electrode surfaces in the ignition area a slight increase in distance towards the end the horn spark gap.
  • the distance between the opposite electrode surfaces in the ignition area can be ⁇ 1.5 mm and is preferably in the range between 0.3 mm and 0.8 mm.
  • gas circulation is provided in such a way that the pressure wave generated by the lightning pulse current-induced arc is reflected by the deion chamber and / or flow obstacles and counteracts the arc movement and the gas flow which passes through the deion chamber is at least partially directed back to the ignition area via deflection means and is led to flow openings present in the electrodes.
  • the horn spark gap according to the invention with a deion chamber is designed such that it forms a universal module with external connection terminals for the electrodes, the module being integrable into a plug-in part or external housing known per se, depending on the customer's requirements.
  • the horn spark gap module can be arranged directly on a wiring carrier, in particular a printed circuit board.
  • means can therefore be provided for influencing the arc and its running behavior due to gas flow.
  • means for magnetically blowing the arc can be increased immediately after it is ignited by a combination of measures to strengthen the arc-related magnetic field and a staggered gas circulation of the arrester, with the electrodes in the running area of the arc having the aforementioned recesses in this sense which the gas flow enters the interior of the arc chamber to support the arc movement.
  • two spatially separated deion chambers are provided in the housing, the opening areas of the horn electrodes or the respective pair of horn electrodes pointing away from one another and leading to the respectively assigned deion chamber.
  • This embodiment also has a fundamentally symmetrical structure and there are separate electrical connections for optional series or parallel connection of the horn spark gaps integrated in the housing.
  • the deion chambers are located on two side walls opposite one another in the interior of the housing.
  • the ignition areas of the horn electrodes are arranged on both sides of an axis of symmetry.
  • a partition wall, as mentioned in the first embodiment, can be dispensed with.
  • Corresponding individual sheets forming the deion chamber 3 are used in a known manner in the insulating housing 4, openings or openings (not shown) being provided in the interior of the housing for maintaining a targeted gas flow, and in this regard further insert parts such as e.g. Splinters, deflection means or the like can be arranged depending on the design of the horn spark gap.
  • the opening areas of the horn electrodes 1; 2 lead to the respective assigned deion chamber 3.
  • the ignition areas Z are arranged closely adjacent to an axis of symmetry S in a central area and are not, as in FIG Figure 1 shown, away from the axis of symmetry S in the housing edge areas.
  • the electrodes 1; 2 of the respective horn electrode arrangement can consist in a simple manner of stamped and bent parts and at the same time via molded connections A1; A3 dispose, which lowers the manufacturing costs of a related surge arrester.

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  • Spark Plugs (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Plasma Technology (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Description

Die Erfindung betrifft eine Hörnerfunkenstrecke mit Deionkammer in nichtausblasender Bauform mit einem Isolierstoffgehäuse als Stütz- und Aufnahmekörper für die Hörnerelektroden und die Deionkammer sowie Mitteln zum Leiten der lichtbogenbedingten Gasströmung gemäß Oberbegriff des Anspruchs 1.The invention relates to a horn spark gap with a non-blowout deion chamber with an insulating housing as a support and receiving body for the horn electrodes and the deion chamber, and means for guiding the gas flow caused by the arc according to the preamble of claim 1.

Aus der EP 1 870 977 B1 ist eine Vorrichtung zum Schutz gegen Überspannungen vorbekannt, die aus mehreren, in Reihe geschalteten Hörnerfunkenstrecken besteht, wobei die Hörnerfunkenstrecken im Überspannungsfall simultan ausgelöst werden.From the EP 1 870 977 B1 A device for protection against overvoltages is known, which consists of several horn spark gaps connected in series, the horn spark gaps being triggered simultaneously in the event of an overvoltage.

Die DE 10 2011 102 257 A1 zeigt eine Hörnerfunkenstrecke mit Deionkammer in nichtausblasender Bauform, die aus einem mehrteiligen Isolierstoffgehäuse besteht. Im Isolierstoffgehäuse sind die Hörnerelektroden und die Deionkammer befindlich. Weiterhin sind Mittel zum Leiten der lichtbogenbedingten Gasströmung vorhanden. Das dortige Isolierstoffgehäuse ist in der von den Hörnerelektroden aufgespannten Ebene geteilt und bildet eine erste sowie eine zweite Halbschale. Die Hörnerelektroden sind unsymmetrisch realisiert. Der Lichtbogenlaufbereich zwischen den Elektroden wird in Richtung Deionkammer durch ein plattenförmiges Isolierstoffmaterial begrenzt.The DE 10 2011 102 257 A1 shows a horn spark gap with deion chamber in non-blowing design, which consists of a multi-part insulating material housing. The horn electrodes and the deion chamber are located in the insulating housing. Means for guiding the gas flow caused by the arc are also present. The insulating material housing there is divided in the plane spanned by the horn electrodes and forms a first and a second half-shell. The horn electrodes are implemented asymmetrically. The arc running area between the electrodes is limited in the direction of the deion chamber by a plate-shaped insulating material.

Zum Stand der Technik bezüglich der Ausbildung von Hörnerfunkenstrecken mit nachgeschalteten Deionkammern sei noch auf die EP 2 631 927 A1 , die EP 1 914 850 B2 oder die DE 44 35 968 A1 verwiesen.The state of the art with regard to the formation of horn spark gaps with downstream deion chambers is still on EP 2 631 927 A1 , the EP 1 914 850 B2 or the DE 44 35 968 A1 referred.

Die bekannten Hörnerfunkenstrecken sind in besonderem Maße zum Ableiten hoher Blitzstoßströme, aber auch zur Begrenzung und Löschung großer Netzfolgeströme geeignet. Es ist zwar bereits gelungen, vorbekannte Hörnerfunkenstreckenanordnungen mit Deionkammern in Reiheneinbaugeräte zu integrieren, jedoch ist es problematisch, durch an sich einfache Reihen- oder Parallelschaltungen das Ableitvermögen bzw. das Folgestromlöschvermögen weiter zu verbessern. Eine denkbare Anordnung mehrerer Hörnerfunkenstrecken mit Lösch- bzw. Deionkammern in einem Reiheneinbaugehäuse erfordert auf jeden Fall einen höheren Platzbedarf und ist durch die Doppelung der einzelnen Komponenten kostenintensiv. Darüber hinaus beeinflussen sich die entstehenden Lichtbögen beim Zünden der Funkenstrecken, so dass ein gewünschtes, reproduzierbares Löschverhalten nicht unter allen denkbaren Bedingungen gewährleistet ist.The known horn spark gaps are particularly suitable for deriving high lightning impulse currents, but also for limiting and extinguishing large network follow currents. Although it has already been possible to integrate previously known horn spark gap arrangements with deion chambers in modular installation devices, it is problematic to further improve the discharge capacity or the follow-up current extinguishing capacity by simple series or parallel connections. A conceivable arrangement of several horn spark gaps with quenching or deion chambers in a DIN rail housing definitely requires more space and is costly due to the duplication of the individual components. In addition, the arcs that occur when the spark gaps are ignited are affected that a desired, reproducible deletion behavior is not guaranteed under all conceivable conditions.

Aus dem Vorgenannten gilt es daher, eine weiterentwickelte, kompakte Hörnerfunkenstrecke mit Deionkammer in nichtausblasender Bauform anzugeben, welche zwei getrennte Funkenstreckeneinheiten aufweist, die jedoch in einem einzigen Gehäuse kompakt und quasi druckdicht als Modul zusammengefasst werden können.From the above, it is therefore necessary to specify a further developed, compact horn gap with deion chamber in a non-blowing design, which has two separate spark gap units, but which can be combined in a single housing in a compact and quasi pressure-tight manner as a module.

Die Lösung der Aufgabe der Erfindung erfolgt durch die Lehre gemäß der Merkmalskombination nach Patentanspruch 1, wobei die Unteransprüche mindestens zweckmäßige Ausgestaltungen und Weiterbildungen darstellen.The object of the invention is achieved by the teaching according to the combination of features according to patent claim 1, the subclaims representing at least expedient refinements and developments.

Es wird demnach von einer Hörnerfunkenstrecke mit Deionkammer in bevorzugt nichtausblasender Bauform ausgegangen, wobei die Hörnerfunkenstrecke in einem Isolierstoffgehäuse befindlich ist, welches als Stütz- und Aufnahmekörper für die Hörnerelektroden und die Deionkammer dient. Weiterhin sind Mittel zum Leiten der lichtbogenbedingten Gasströmung vorhanden. Diese Mittel können spezielle Umlenkelemente wie z.B. Splitter, aber auch gezielte Durchbrüche und Ausnehmungen im Gehäuseinneren sein.It is therefore assumed that a horn spark gap with a deion chamber, preferably of a non-blowing design, the horn spark gap is located in an insulating material housing, which serves as a support and receiving body for the horn electrodes and the deion chamber. Means for guiding the gas flow caused by the arc are also present. These means can special deflecting elements such as Splinters, but also targeted openings and recesses in the interior of the housing.

Die Hörnerelektroden eines Hörnerelektrodenpaares weisen eine unsymmetrische Form auf, und zwar umfassend eine längere und eine kürzere Elektrode. Im Zündbereich sind bei einer bevorzugten Ausführungsform beide Elektroden nahezu parallel und mit geringer Divergenz verlaufend ausgebildet.The horn electrodes of a pair of horn electrodes have an asymmetrical shape, namely a longer and a shorter electrode. In a preferred embodiment, both electrodes are formed almost parallel and with a low divergence in the ignition area.

Der Lichtbogenlaufbereich zwischen den Elektroden ist in Richtung Deionkammer durch entsprechende gestalterische Maßnahmen begrenzt. Das Gehäuse besitzt Ausformungen, welche ein zentrales Deionkammerteil oder zwei getrennte Deionkammerteile aufnehmen, wobei im Gehäuse Durchbrüche oder Öffnungen vorgesehen sind und die Elektroden zu dem jeweiligen Deionkammerteil führen, so dass die Gasströmung mindestens teilweise in die jeweilige Deionkammer gelangt.The arc running area between the electrodes is limited in the direction of the deion chamber by appropriate design measures. The housing has formations which accommodate a central deion chamber part or two separate deion chamber parts, openings or openings being provided in the housing and the electrodes leading to the respective deion chamber part, so that the gas flow at least partially reaches the respective deion chamber.

Bei einer bevorzugten Ausführungsform kann das Gehäuse einen Sandwichaufbau besitzen und aus Halbschalen bestehen.In a preferred embodiment, the housing can have a sandwich structure and consist of half shells.

Erfindungsgemäß sind mindestens zwei Hörnerfunkenstrecken im Gehäuse befindlich, welche getrennt herausgeführte elektrische Anschlüsse zur wahlweisen Reihen- oder Parallelschaltung der im Gehäuse integrierten Funkenstrecken aufweisen.According to the invention there are at least two horn spark gaps in the housing, which have separate electrical connections for optional series or parallel connection of the spark gaps integrated in the housing.

Innerhalb des Gehäuses ist gemäß einer ersten Ausführungsform eine Trennwand ausgebildet, um eine Trennung der Lichtbogenbrennräume zu erreichen und eine Gasströmung zur Lichtbogenfußpunktbewegung zu ermöglichen.According to a first embodiment, a partition is formed within the housing in order to achieve a separation of the arc combustion chambers and to enable a gas flow to move the arc base.

Bevorzugt sind die Hörnerfunkenstrecken in einer Ebene benachbart nebeneinander ausgebildet. Erfindungsgemäß ist die Anordnung der Hörnerfunkenstrecken mit entsprechenden Hörnerelektroden spiegelsymmetrisch.The horn spark gaps are preferably formed adjacent to one another in one plane. According to the invention, the arrangement of the horn spark gaps with corresponding horn electrodes is mirror-symmetrical.

Die Deionkammer umfasst in an sich bekannter Weise eine Vielzahl von beabstandeten Einzelblechen, die bei einer Ausführungsform eine V-förmige Einkerbung aufweisen können, deren V-Öffnung zur Hörnerfunkenstrecke gerichtet ist, um über die Wahl des Abstands der Einzelbleche und/oder einer zusätzlichen Verdämmung den Strömungswiderstand im Einlaufbereich der Deionkammer einzustellen oder vorzugeben. Dabei ist auch die Deionkammer bevorzugt spiegelsymmetrisch mit zu beiden Seiten V-förmigen Öffnungen realisiert und es ist bei der ersten Ausführungsform die Trennwand über die Symmetrieachse verlaufend angeordnet.The deion chamber comprises, in a manner known per se, a multiplicity of spaced-apart individual sheets, which in one embodiment can have a V-shaped notch, the V-opening of which is directed towards the horn spark gap in order to determine the choice of the distance between the individual sheets and / or an additional insulation Set or specify the flow resistance in the inlet area of the deion chamber. The deion chamber is also preferably mirror-symmetrical with openings V-shaped on both sides, and in the first embodiment the partition is arranged to run over the axis of symmetry.

Die Deionkammer kann in an sich bekannter Weise Entlüftungsöffnungen aufweisen, über deren Anzahl, Größe und Formgebung der Strömungswiderstand im Einlaufbereich einstell- oder vorgebbar ist.In a manner known per se, the deion chamber can have ventilation openings, the number, size and shape of which allow the flow resistance in the inlet area to be set or predefined.

Alternativ oder ergänzend kann im Zündbereich eine Triggerelektrode angeordnet werden, wobei die Triggerelektrode ein leitfähiges Element umfassen kann, welches von einer Gleitstrecke umgeben ist oder benachbarte Gleitstrecken aufweist.As an alternative or in addition, a trigger electrode can be arranged in the ignition area, the trigger electrode being able to comprise a conductive element which is surrounded by a sliding distance or has adjacent sliding distances.

Die Trennwand ist also gemäß obiger Darlegung der ersten Ausführungsform zwischen zwei Rücken-an-Rücken liegenden Deionkammern anordenbar.The partition can therefore be arranged between two back-to-back deion chambers according to the above description of the first embodiment.

Ergänzend besteht die Möglichkeit, im Gehäuse ferromagnetische Mittel zur Steuerung des Lichtbogenlaufbereichs vorzusehen.In addition, there is the possibility of providing ferromagnetic means for controlling the arc running area in the housing.

In Weiterbildung der Erfindung ist die Hörnerfunkenstrecke mit Deionkammer zur Lichtbogenlöschung innerhalb des Isolierstoffgehäuses so ausgebildet, dass Maßnahmen zur Einstellung eines unterschiedlichen Verhaltens des bei einer Impulsstrombelastung entstehenden Lichtbogens einerseits sowie des netzfolgestrombedingten Lichtbogens andererseits geschaffen werden, wobei hierfür der Abstand der gegenüberliegenden Elektrodenflächen der Hörnerfunkenstrecken im Zündbereich eng gehalten ist und die Anordnung der sich gegenüberliegenden Elektrodenflächen im Zündbereich eine geringe Abstandsaufweitung in Richtung des Endes der Hörnerfunkenstrecke besitzt.In a further development of the invention, the horn spark gap with a deion chamber for arc quenching within the insulating material housing is designed such that measures are taken to set a different behavior of the arc arising from a pulse current load on the one hand and the arc sequence-related arc on the other hand, for this purpose the distance between the opposite electrode surfaces of the horn spark gaps in the ignition area is kept narrow and the arrangement of the opposite electrode surfaces in the ignition area a slight increase in distance towards the end the horn spark gap.

Der Abstand der sich gegenüberliegenden Elektrodenflächen im Zündbereich kann <1,5mm betragen und liegt vorzugweise im Bereich zwischen 0,3mm und 0,8mm.The distance between the opposite electrode surfaces in the ignition area can be <1.5 mm and is preferably in the range between 0.3 mm and 0.8 mm.

Bei einer derart weitergebildeten Hörnerfunkenstrecke ist eine Gaszirkulation vorgesehen, derart, dass die durch den blitzimpulsstrombedingten Lichtbogen erzeugte Druckwelle von der Deionkammer und/oder Strömungshindernissen reflektiert wird und der Lichtbogenbewegung entgegenwirkt sowie der Gasstrom, welcher durch die Deionkammer hindurchtritt, über Umlenkmittel zumindest teilweise zum Zündbereich zurückgeleitet und zu in den Elektroden vorhandenen Strömungsöffnungen geführt wird. Hierdurch wird die Lichtbogenbewegung bei Netzfolgeströmen in Richtung Deionkammer unterstützt, wobei in diesem Sinne die Strömungsöffnungen oberhalb des Zündbereichs in Richtung Deionkammer angeordnet werden.In such a further developed horn spark gap, gas circulation is provided in such a way that the pressure wave generated by the lightning pulse current-induced arc is reflected by the deion chamber and / or flow obstacles and counteracts the arc movement and the gas flow which passes through the deion chamber is at least partially directed back to the ignition area via deflection means and is led to flow openings present in the electrodes. This supports the arc movement in the case of network follow currents in the direction of the deion chamber, with the flow openings being arranged above the ignition area in the direction of the deion chamber in this sense.

Die erfindungsgemäße Hörnerfunkenstrecke mit Deionkammer ist so ausgebildet, dass diese ein universelles Modul mit äußeren Anschlussklemmen für die Elektroden bildet, wobei das Modul in ein an sich bekanntes Steckteil oder Außengehäuse je nach Kundenwunsch integrierbar ist.The horn spark gap according to the invention with a deion chamber is designed such that it forms a universal module with external connection terminals for the electrodes, the module being integrable into a plug-in part or external housing known per se, depending on the customer's requirements.

Bei einer Weiterbildung kann das Hörnerfunkenstrecken-Modul unmittelbar auf einem Verdrahtungsträger, insbesondere einer Leiterplatte angeordnet werden.In a further development, the horn spark gap module can be arranged directly on a wiring carrier, in particular a printed circuit board.

Bei der erfindungsgemäßen Hörnerfunkenstrecke können also Mittel zur gasströmungsbedingten Beeinflussung des Lichtbogens und dessen Laufverhaltens vorgesehen sein. Ergänzend oder alternativ besteht die Möglichkeit, Mittel zur magnetischen Beblasung des Lichtbogens auszubilden. Dabei kann die Beweglichkeit des Lichtbogens unmittelbar nach dessen Zündung durch eine Kombination von Maßnahmen zur Verstärkung des lichtbogenbedingten Eigenmagnetfelds und einer gestaffelten Gaszirkulation des Ableiters erhöht werden, wobei in diesem Sinne die Elektroden im Laufbereich des Lichtbogens die vorerwähnten Ausnehmungen aufweisen, durch welche der Gasstrom zur Unterstützung der Lichtbogenbewegung in das Innere der Lichtbogenkammer gelangt.In the horn spark gap according to the invention, means can therefore be provided for influencing the arc and its running behavior due to gas flow. In addition or as an alternative, there is the possibility of developing means for magnetically blowing the arc. The mobility of the arc can be increased immediately after it is ignited by a combination of measures to strengthen the arc-related magnetic field and a staggered gas circulation of the arrester, with the electrodes in the running area of the arc having the aforementioned recesses in this sense which the gas flow enters the interior of the arc chamber to support the arc movement.

Bei der zweiten Ausführungsform der Erfindung sind im Gehäuse zwei, räumlich getrennte Deionkammern vorgesehen, wobei die Öffnungsbereiche der Hörnerelektroden bzw. des jeweiligen Hörnerelektrodenpaares voneinander wegweisen und zur jeweils zugeordneten Deionkammer führen. Auch bei dieser Ausführungsform liegt ein grundsätzlich symmetrischer Aufbau vor und es sind getrennt herausgeführte elektrische Anschlüsse zur wahlweisen Reihen- oder Parallelschaltung der im Gehäuse integrierten Hörnerfunkenstrecken vorhanden.In the second embodiment of the invention, two spatially separated deion chambers are provided in the housing, the opening areas of the horn electrodes or the respective pair of horn electrodes pointing away from one another and leading to the respectively assigned deion chamber. This embodiment also has a fundamentally symmetrical structure and there are separate electrical connections for optional series or parallel connection of the horn spark gaps integrated in the housing.

Bei einer beispielhaften rechteckigen Gehäuseform sind die Deionkammern an zwei Seitenwänden gegenüberliegend im Gehäuseinneren befindlich. Die Zündbereiche der Hörnerelektroden sind beidseitig einer Symmetrieachse angeordnet. Auf eine Trennwand, wie in der ersten Ausführungsform erwähnt, kann verzichtet werden.In an exemplary rectangular housing shape, the deion chambers are located on two side walls opposite one another in the interior of the housing. The ignition areas of the horn electrodes are arranged on both sides of an axis of symmetry. A partition wall, as mentioned in the first embodiment, can be dispensed with.

Die Erfindung soll nachstehend anhand eines Ausführungsbeispiels sowie unter Zuhilfenahme von Figuren näher erläutert werden.The invention will be explained in more detail below using an exemplary embodiment and with the aid of figures.

Hierbei zeigen:

Fig. 1
eine prinzipielle Ausbildung der Hörnerfunkenstrecke mit Deionkammer in nichtausblasender Bauform, ausgebildet als Modul mit zwei symmetrisch gegenüberliegenden Hörnerfunkenstrecken und einer zentralen Deionkammer, welche eine Trennwand aufweist, um die Lichtbögen der jeweiligen Hörnerfunkenstrecken voneinander zu trennen und um eine für die notwendige Lichtbogenfußpunktbewegung erforderliche Gasrückführung bzw. Gaszirkulation zu ermöglichen, wobei mit A1 die elektrischen Anschlüsse der längeren der jeweiligen Hörnerelektrode und mit A3 der verbundene Anschluss zur kürzeren der Hörnerelektroden bezeichnet ist, und
Fig. 2
eine prinzipielle Ausbildung der Hörnerfunkenstrecken mit Deionkammer in nichtausblasender Bauform gemäß einem zweiten Ausführungsbeispiel der Erfindung, wobei wiederum von einem quasi rechteckförmigen Gehäuse ausgegangen wird, jedoch zwei getrennte Deionkammern an zwei Seitenwänden gegenüberliegend im Gehäuseinneren befindlich sind und die Zündbereiche der anderen Elektroden beidseitig einer Symmetrieachse S ausgeführt werden.
Here show:
Fig. 1
a basic design of the horn spark gap with a non-blowout deion chamber, designed as a module with two symmetrically opposite horn spark gaps and a central deion chamber, which has a partition to separate the arcs of the respective horn spark gaps and to provide a gas return or gas circulation required for the necessary arc foot movement to enable, the electrical connections of the longer of the respective horn electrodes being designated by A1 and the connected connection of the shorter of the horn electrodes being designated by A3, and
Fig. 2
a basic design of the horn spark gaps with deion chamber in non-blowing design according to a second embodiment of the invention, which in turn is based on a quasi-rectangular housing, but two separate deion chambers are located on two side walls opposite each other inside the housing and the ignition areas of the other electrodes are carried out on both sides of an axis of symmetry S.

Wie anhand der Darstellung nach Fig. 1 nachvollziehbar, besteht die Möglichkeit, die kürzere der Hörnerelektroden 1 als einfaches, durchgehendes, gemeinsames Metallstück in klassischer Stanz-Biege-Technik zu realisieren. Ebenso können die längeren, Einzelelektroden 2 in einfacher Weise gefertigt und in das Isolierstoffgehäuse 4 eingesetzt werden.As shown in the illustration Fig. 1 understandable, there is the possibility of realizing the shorter of the horn electrodes 1 as a simple, continuous, common piece of metal using classic stamping and bending technology. Likewise, the longer, individual electrodes 2 can be manufactured in a simple manner and inserted into the insulating housing 4.

Entsprechende, die Deionkammer 3 bildende Einzelbleche werden in bekannter Weise im Isolierstoffgehäuse 4 eingesetzt, wobei nicht gezeigte Öffnungen oder Durchbrüche im Gehäuseinneren zum Erhalt einer gezielten Gasströmung vorgesehen sind und diesbezüglich weitere Einsatzteile wie z.B. Splitter, Umlenkmittel oder dergleichen je nach Auslegung der Hörnerfunkenstrecke angeordnet werden können.Corresponding individual sheets forming the deion chamber 3 are used in a known manner in the insulating housing 4, openings or openings (not shown) being provided in the interior of the housing for maintaining a targeted gas flow, and in this regard further insert parts such as e.g. Splinters, deflection means or the like can be arranged depending on the design of the horn spark gap.

Es besteht also die Möglichkeit, ein einziges Grundmodul, umfassend die entsprechenden Hörnerelektrodenpaare nebst Deionkammer durch das Vorsehen und Einsetzen weiterer Teile zur Führung und Lenkung des Lichtbogens anwendungsseitig zu optimieren bzw. kundenwunschspezifisch herzustellen.There is therefore the possibility of optimizing a single basic module, comprising the corresponding pairs of horn electrodes and deion chamber, by providing and inserting further parts for guiding and guiding the arc, or producing them on a customer-specific basis.

Es besteht die Möglichkeit der Integration des Hörnerfunkenstrecken-Moduls sowohl wie in der Figur 1 als auch in der Figur 2 dargestellt ist in ein klassisches Reiheneinbaugehäuse.There is the possibility of integrating the horn spark gap module as well as in the Figure 1 as well in the Figure 2 is shown in a classic modular installation housing.

Bei der Ausführungsform gemäß Figur 2 wird wiederum von einer symmetrischen Konstruktion unter Ausbildung von zwei Hörnerfunkenstrecken in einem gemeinsamen Isolierstoffgehäuse 4 ausgegangen.In the embodiment according to Figure 2 a symmetrical construction with the formation of two horn spark gaps in a common insulating housing 4 is again assumed.

Im Unterschied zur ersten Ausführungsform nach Figur 1 ist jedoch keine zentrale, durch eine Trennwand K unterteilte, Deionkammer 3 vorhanden. Vielmehr liegen zwei getrennte Deionkammern 3 vor, die sich im gezeigten Beispiel im Inneren des Isolierstoffgehäuses 4 an zwei gegenüberliegenden Seitenwänden des Isolierstoffgehäuses 4 befinden.In contrast to the first embodiment according to Figure 1 however, there is no central deion chamber 3 divided by a partition K. Rather, there are two separate deion chambers 3 which, in the example shown, are located inside the insulating material housing 4 on two opposite side walls of the insulating material housing 4.

Die Öffnungsbereiche der Hörnerelektroden 1; 2 führen zur jeweiligen zugeordneten Deionkammer 3.The opening areas of the horn electrodes 1; 2 lead to the respective assigned deion chamber 3.

Die Zündbereiche Z sind eng benachbart zu einer Symmetrieachse S in einem zentralen Bereich angeordnet und liegen nicht, wie bei der Figur 1 dargestellt, entfernt von der Symmetrieachse S in den Gehäuserandbereichen.The ignition areas Z are arranged closely adjacent to an axis of symmetry S in a central area and are not, as in FIG Figure 1 shown, away from the axis of symmetry S in the housing edge areas.

Sowohl bei der ersten als auch bei der zweiten Ausführungsform gemäß den Figuren 1 und 2 besteht die Möglichkeit, Bauteile 5 zur Triggerung in unmittelbarer Nähe einer entsprechenden Trägerelektrode, die in den Zündbereich Z führt, innerhalb des Isolierstoffgehäuses 4 anzuordnen.Both in the first and in the second embodiment according to the Figures 1 and 2nd there is the possibility of arranging components 5 for triggering in the immediate vicinity of a corresponding carrier electrode, which leads into the ignition area Z, within the insulating material housing 4.

In der Figur 2 sind die Anschlüsse der längeren Elektroden der jeweiligen Hörnerfunkenstrecke mit A1 und die je in der kürzeren Elektroden mit A3 bezeichnet.In the Figure 2 are the connections of the longer electrodes of the respective horn spark gap with A1 and those in the shorter electrodes with A3.

Beiden Ausführungsbeispielen ist gemeinsam, dass die Elektroden 1; 2 der jeweiligen Hörnerelektrodenanordnung in einfacher Weise aus Stanz-Biegeteilen bestehen können und gleichzeitig über angeformte Anschlüsse A1; A3 verfügen, was die Herstellungskosten eines diesbezüglichen Überspannungsableiters senkt.It is common to both exemplary embodiments that the electrodes 1; 2 of the respective horn electrode arrangement can consist in a simple manner of stamped and bent parts and at the same time via molded connections A1; A3 dispose, which lowers the manufacturing costs of a related surge arrester.

Claims (5)

  1. Horn spark gap having a deion chamber (3) in non-discharging design comprising an insulating material housing (4) as a supporting and receiving body for the horn electrodes (1; 2) and the deion chamber (3) and means for guiding the gas flow induced by the arc, wherein the horn electrodes (1; 2) have an asymmetrical shape, comprising a longer (2) and a shorter (1) electrode, wherein in the ignition area (Z), the two electrodes (1; 2) extend virtually in parallel or with little divergence, the arc runner area between the electrodes is delimited in the direction of the deion chamber (3), the housing has sections which accommodate at least one deion chamber part, apertures or openings being provided so that the gas stream reaches the deion chamber at least in part,
    characterized in that
    at least two horn spark gaps are located in the housing (4), which have electric connections (A1; A3) led out separately for the optional series or parallel connection of the horn spark gaps integrated in the housing (4), wherein the two horn spark gaps have their electrodes (1; 2) arranged within the housing (4) to be mirror-symmetrical with respect to a symmetry axis (S).
  2. Horn spark gap according to claim 1,
    characterized in that
    a partition (K) is formed inside the housing in order to achieve the arc combustion chambers to be separated and a gas flow to be enabled for the arc base point movement.
  3. Horn spark gap according to claim 1 or 2,
    characterized in that
    ferromagnetic means are provided in the housing (4) for controlling the arc progress.
  4. Horn spark gap according to anyone of the preceding claims,
    characterized in that
    it is formed as a universal module having external connection terminals for the electrodes (1; 2), wherein the module can be integrated in a plug-in part or an outer housing depending on customer requirements.
  5. Horn spark gap according to anyone of claims 1 to 3,
    characterized in that
    it may be arranged directly on a wiring carrier, in particular a printed circuit board.
EP16785483.5A 2015-11-10 2016-10-25 Horn spark gap having a deion chamber in non-discharging design Active EP3375057B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201630804T SI3375057T1 (en) 2015-11-10 2016-10-25 Horn spark gap having a deion chamber in non-discharging design

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102015014547 2015-11-10
DE102016115223.4A DE102016115223B4 (en) 2015-11-10 2016-08-17 Horn spark gap with deion chamber in non-extinguishing design
PCT/EP2016/075596 WO2017080806A1 (en) 2015-11-10 2016-10-25 Horn spark gap having a deion chamber in non-discharging design

Publications (2)

Publication Number Publication Date
EP3375057A1 EP3375057A1 (en) 2018-09-19
EP3375057B1 true EP3375057B1 (en) 2020-06-10

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EP (1) EP3375057B1 (en)
CN (1) CN108370131B (en)
DE (1) DE102016115223B4 (en)
SI (1) SI3375057T1 (en)
WO (1) WO2017080806A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018117275B3 (en) * 2018-05-24 2019-07-04 Dehn + Söhne Gmbh + Co. Kg Non-rotationally symmetric horn spark gap with deion chamber

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0706245B1 (en) * 1994-10-07 2000-06-07 PHOENIX CONTACT GmbH & Co. Overvoltage protection element
DE4435968C2 (en) 1994-10-07 1996-09-12 Phoenix Contact Gmbh & Co Surge protection element
EP0793318A1 (en) 1996-03-01 1997-09-03 Felten & Guilleaume Austria Ag Overvoltage arrester device
FR2879019B1 (en) * 2004-12-06 2008-04-04 Schneider Electric Ind Sas ELECTRICAL CUTTING DEVICE WITH ARC EXTINGUISHING CHAMBER WITH DESIONIZATION FINS
FR2902579B1 (en) 2006-06-19 2008-10-03 Soule Prot Surtensions Sa OVERVOLTAGE PROTECTION DEVICE ASSOCIATED IN SERIES WITH MULTIPLE SIMULTANEOUS ACTUATION LATHERS AND METHODS RELATING THERETO
FR2907606B1 (en) 2006-10-20 2009-01-09 Soule Prot Surtensions Sa OVERVOLTAGE PROTECTION DEVICE WITH CONNECTION RANGES AND MONOBLOC ELECTRODES.
DE102010033764A1 (en) * 2010-06-01 2011-12-01 Dehn + Söhne Gmbh + Co. Kg Housing arrangement for multi-pole overvoltage protection devices
DE102011051738B4 (en) * 2010-08-04 2023-05-04 Dehn Se Horn spark gap lightning arrester with deion chamber
DE102011102257B4 (en) 2010-08-04 2016-05-19 Dehn + Söhne Gmbh + Co. Kg Horn spark gap with deion chamber
FR2981786B1 (en) 2011-10-21 2013-11-22 Abb France METHOD OF CUTTING AN ELECTRIC ARC, METHOD AND DEVICE FOR PROTECTING AN INSTALLATION AGAINST OVERVOLTAGES

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102016115223B4 (en) 2022-02-17
SI3375057T1 (en) 2020-07-31
CN108370131A (en) 2018-08-03
CN108370131B (en) 2020-12-29
EP3375057A1 (en) 2018-09-19
WO2017080806A1 (en) 2017-05-18
DE102016115223A1 (en) 2017-05-11

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