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Arrangement for firing spark gaps

A technology of ignition device and spark gap, which is applied to circuits dedicated to spark gaps, overvoltage arresters using spark gaps, spark gaps, etc., and can solve problems such as disadvantage and aging.

Pending Publication Date: 2021-05-28
デーンエスエープルスツェオーカーゲー
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] However, the disadvantage lies in the fact that even the smallest, relatively low-energy overvoltage event pulse is sufficient to ignite the entire spark gap
This leads to possible disadvantageous aging of the corresponding surge arrester device

Method used

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  • Arrangement for firing spark gaps
  • Arrangement for firing spark gaps

Examples

Experimental program
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Embodiment Construction

[0040] according to figure 1 with figure 2 The illustration of includes a conductive trigger electrode T, which is covered by an insulating layer I in the direction of the main electrode H2.

[0041] Following the insulating layer I is a layer made of a material M with a lower electrical conductivity.

[0042] A layer of material M is supported on the surface of the second main electrode H2 .

[0043] Via the connection means A, external elements can be connected between the trigger electrode T and the main electrode H1. Components arranged there can include, for example, gas arresters, varistors, diodes or similar electrical components.

[0044] The spark gap formed by the main electrodes H1 and H2 can be configured as an angular spark gap and be electrically connected between line L and N / PEN.

[0045] The arrangement shown corresponds in principle to the device for generating a plasma jet according to DE 10 2011 102 937 A1 and the description of the design given there....

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Abstract

The invention relates to an arrangement for firing spark gaps with a trigger electrode which is located on or in one of the main electrodes and is insulated with respect to this main electrode, wherein the trigger electrode can be electrically connected to a further main electrode via at least one voltage-switching or voltage-monitoring element, and there is an air gap between the trigger electrode and the further main electrode, wherein the trigger electrode forms a sandwich structure together with an insulating layer and a layer made of a material with lower conductivity than the material of one of the main electrodes. Furthermore, the insulating layer is embodied as a thin film or layer of coating agent and the layer is composed of the material with the lower conductivity is in contact with one of the main electrodes or rests on said electrode. According to the invention, in order to conduct away energetically weak overvoltage events without triggering the spark gap formed between the main electrodes, the insulating layer of the sandwich structure is interrupted outside the firing region and / or an electrical component which influences the triggering behaviour is connected between the trigger electrode and the associated main electrode.

Description

technical field [0001] The invention relates to an ignition device for igniting a spark gap with a trigger electrode located on or in a main electrode and insulated from the main electrode, wherein the trigger electrode is switchable from a further main electrode via at least one The voltage- or voltage-monitoring element is electrically connected and there is an air gap between the main electrode and the other main electrode, wherein the trigger electrode is connected to an insulating layer and a layer made of a material with a lower electrical conductivity than the material of one of the main electrodes Together forming a sandwich structure, according to the preamble of claim 1, the insulating layer is configured as a foil film or a lacquer layer, and the layer made of a material with a lower electrical conductivity is in contact with or supported on one of the main electrodes superior. Background technique [0002] In terms of the characteristics of the spark gap, a spar...

Claims

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Application Information

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IPC IPC(8): H01T2/02H01T4/10H01T1/16
CPCH01T15/00H01T2/02H01T4/10H01T1/16
Inventor U.斯特朗费尔德S.哈斯
Owner デーンエスエープルスツェオーカーゲー
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