EP2443710B1 - Éclateur à cornes à chambre de désionisation - Google Patents

Éclateur à cornes à chambre de désionisation Download PDF

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Publication number
EP2443710B1
EP2443710B1 EP11732395.6A EP11732395A EP2443710B1 EP 2443710 B1 EP2443710 B1 EP 2443710B1 EP 11732395 A EP11732395 A EP 11732395A EP 2443710 B1 EP2443710 B1 EP 2443710B1
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EP
European Patent Office
Prior art keywords
electrodes
spark gap
horn
arc
horn 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.)
Active
Application number
EP11732395.6A
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German (de)
English (en)
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EP2443710A1 (fr
Inventor
Stephan Hierl
Uwe Strangfeld
Arnd Erhardt
Stefanie Schreiter
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
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.)
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Application filed by Dehn and Soehne GmbH and Co KG filed Critical Dehn and Soehne GmbH and Co KG
Priority to PL11732395T priority Critical patent/PL2443710T3/pl
Publication of EP2443710A1 publication Critical patent/EP2443710A1/fr
Application granted granted Critical
Publication of EP2443710B1 publication Critical patent/EP2443710B1/fr
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
    • H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
    • H01T4/14—Arcing horns

Definitions

  • the invention relates to a Hörnerfunkenrange with Deionhunt in Vietnameseausblasendem design with a multi-part insulating material as supporting and receiving body for the horn electrodes and the Deionhunt and means for conducting the arc gas flow, wherein the insulating material is divided in the plane spanned by the horn electrodes level and a first and a second half-shell forms, according to claim 1.
  • the horn electrodes are to be made of a low cost material to reduce the cost of producing such spark gaps.
  • the EP 1 829 176 B1 moreover discloses a device for extending the separation distance in case of overload.
  • the spark gap shown Due to the way in which the internal circulation is realized, the spark gap shown has the disadvantage that the geometry and thus the extinguishing behavior of the deion chamber is essentially determined by the distance and the geometry of the horn electrodes.
  • a relatively free choice of the number or the width of the Deionhunt is not readily feasible, since the operation in encapsulation requires the targeted gas circulation shown there. This targeted circulation is disturbed, however, if the arc run area is no longer sealed off laterally into the deion chamber by the horn electrodes with respect to the return flow.
  • With a required change of the Deionhunt eg to increase the number of Deionbleche for a higher operating voltage therefore numerous parts would have to be changed and the costly electrodes to be adjusted.
  • a horn spark gap with Deionhunt in Vietnameseausblasendem design with a multi-part insulating material as support and receiving body for the horn electrodes and the Deionhunt and means for conducting the arc gas flow, the horn electrodes an asymmetrical shape, comprising a longer and a shorter electrode, have.
  • both electrodes run almost parallel or with only a very small divergence or widening.
  • the insulating material housing is divided in the plane spanned by the horn electrodes and forms a first and a second half-shell.
  • the arc running region between the electrodes in the direction of the deion chamber is delimited by a plate-shaped insulating material, the plate-shaped insulating material in each case being inserted positively in a first shape of the respective half-shell.
  • the first formations receive a ferromagnetic deposit, preferably shaped in a plate shape similar to the arc running area, the plate-shaped insulating material electrically separating the respective deposit for the electrodes.
  • the half-shells have further, second formations which fix a Deionhuntteil usable there in a form-fitting manner.
  • the horn spark gap has a sandwich construction and the half shells are non-positively connected by screws or rivets.
  • the outer sides of the half-shells facing away from the electrodes have, at least in the region of the openings or openings, in each case a third shape, which receives a form-fitting outer insulating material plate.
  • the third recess additionally has a web or splitter for dividing the gas flow, wherein the section formed by the third formation and the outer insulating plate creates a gas relaxation space.
  • the gas relaxation space in turn has a preferably slot-shaped passage gap for returning the gases to the arc combustion chamber, wherein for assisting driving of the arc by the gas flow the electrodes have openings or recesses above the firing range.
  • the power supply to the longer of the electrodes is guided antiparallel over as large a section as possible.
  • the shorter of the electrodes has a high impedance.
  • the ignition or triggering of the horn spark gap is effected by a flexible printed circuit board with a conductor section, which is introduced into the ignition region between the electrodes.
  • the horn spark gap has an error status indicator with a molded part which melts at excessively high temperature or becomes unstable in shape, which is under the spring bias of the indicator.
  • the outer insulating material plate which deforms under pressure, can be structurally in operative connection with a sensor system for detecting exceptional operating conditions.
  • the spark gap according to the invention forms a universal module with external connection terminals for the electrodes, which can be integrated into a plug-in part or outer housing according to customer requirements.
  • All essential assemblies such as the electrodes, the trigger electrode and / or the Deionhunt are interchangeable and can be easily adapted to the respective network conditions, without leaving the basic construction of the horn section according to the invention.
  • the spark gap consists of very simple parts produced by standard technologies, e.g. Rivets can be connected together.
  • the functionality of the spark gap is already achieved by mounting the inner module without outer housing. The assembly can be carried out by a riveting operation.
  • the gas supply with several circulation circuits almost all components are used to cool the hot, ionized gases. If necessary, the horn electrodes produced as a stamped bent part can be replaced by electrodes made of a more resilient material, if it requires the erosion resistance of the spark gap at higher loads.
  • the error status display with the help of a purely mechanical implementation of a physical limit size, in particular the temperature, is realized very space-saving and requires no additional energy needs.
  • All function-bearing components can be connected by a common joining step, in particular riveting of the module.
  • One or more of the fully functional modules can be freely interconnected in a quasi-freely selectable outer housing for any application, network types or even for customized design variants.
  • the Fig. 1 shows one of the half shells, designed as a plastic injection molded part 22 with outer insulating plate 23, for example formed as Vulkanfiberplatte. Likewise, the ferromagnetic plate-shaped part 21 can be seen, which is covered by an inner Vulkanfiberplatte 20.
  • FIG. 2 shows the basic structure of the horn spark gap module, whose arc space is defined by two electrodes 1 and 2.
  • the electrode 1 is realized as a long electrode and the electrode 2 as a short electrode.
  • the arc running range of the electrodes 1 and 2 to the arc extinguishing chamber or Deionhunt 8 is laterally by burn-off and only slightly gas-emitting insulating material (see Fig. 1 ), for example, consisting of vulcanized fiber limited.
  • Vulkanfiberplatte can be produced as a simple inexpensive punching plate. By fixing on the riveting a further connection of the items is not required.
  • the vulcanized fiber plate 20 also fixes the ferromagnetic iron deposit 21 in each half shell 22, which is located in the arc running area.
  • the iron deposits 21 are inserted and guided in the half-shell 22, but can also be directly overmolded.
  • the respective half-shells 22 simultaneously realize the fixing of the electrodes 1 and 2 of the starting aid, which is located between the electrodes, the error state indicator and the deion chamber 8.
  • plastic injection-molded part 22, or the respective half-shell, recesses and deflecting means which serve for steering, distribution and return of the gases which are produced when the arc is ignited.
  • baffles are realized, which serve to avoid the return of metal or soot particles in the arc running area to prevent flashbacks or deterioration of the insulation values.
  • the relaxation spaces for the partially ionized gas are each formed between the half-shell part 22 and the outer insulating plate 23. These two plates also simultaneously form the outer walls of the then already functional module and are riveted in conjunction with the other parts.
  • the ignition range between the electrodes is chosen so that the arc's own magnetic field already causes quite high forces on the arc, so that a rapid release of the arc from the point of ignition and thus a rapid ignition of the spark gap is ensured.
  • the ignition location is a few millimeters after a parallel or only slightly divergent guidance of the two electrodes, which have a small distance. The small distance between the electrodes results in a strong force effect as a result of the current flow.
  • the material of the ignition aid or the trigger electrode can be chosen so that the initial movement of the arc, e.g. is supported by a gas delivery.
  • the initial movement can also be achieved by a pre-bending of the pilot arc already in the running direction, e.g. be supported as a result of the design of supernatants.
  • connection of the long electrode 1 is guided over a wide range in anti-parallel to this electrode 1.
  • the ferromagnetic deposits 21 inserted in the side walls in the sidewalls support the desired rapid movement of the arc to the arc quenching chamber 8.
  • An additional insulated ferromagnetic iron deposit of an electrode can be dispensed with in favor of the desired small size.
  • the material of the electrodes may themselves have ferromagnetic properties or a ferromagnetic core may be integrated into the electrode or the electrode itself may have a sandwich structure.
  • the distance between the two electrodes 1 and 2 at the ignition point or ignition region 4 has only a very small over a distance of several millimeters Divergence or runs nearly parallel.
  • This design of the main electrodes has the advantage that in case of overloading a defined short-circuit behavior of the spark gap can be realized without additional measures.
  • the formation of a metal path can occur which bridges the small distance between the two electrodes over a large area and current-carrying capacity and then leads to reliable tripping of an existing overcurrent protection device.
  • a permanent arc projection only at the short electrode 2 would be too close to the ignition area and leads to an accumulation of reignifications or, for bridging other plates below the Deionhunt 8 in the inlet region.
  • the geometry and the material of the short electrode and its supply is designed for a high impedance.
  • the electrode or electrode feed material steel is suitable.
  • the material of the feed or of the electrode additionally heats up when current flows, whereby the voltage drop further increases.
  • the achievable arc voltage within the arc quenching chamber can easily by several by these measures 10 V to 100 V are increased with otherwise the same dimensions, whereby the use at higher operating voltages or with an improved current limit is possible.
  • the long electrode 1 can be realized in the arc quenching chamber as a thin baffle.
  • the gas flow from the running region is no longer driven completely into the arc quenching chamber (deion chamber) 8. Gases from the arc run area can thus escape already below the arc extinguishing chamber.
  • This gas is also used by discharge openings 14 in the respective half-shell 22 for gas circulation. Since the break-in time of the follow current arc into the arc quenching chamber is only a fraction of the total arc firing time and the arc voltage outside the deionization chamber is still low, i. no division into partial arcs, this gas has only minimal energy. Also, there is still no excessive ionization of the gas. Thus, the gas reaches a sufficient cooling in contact with the electrode supply and the short electrode 2, so that it can be returned in a relatively short way.
  • the drag reduction can also be used to alter the spacing of the deion plates within the deion chamber 8, i. use more sheets or reduce the Deionhuntab horren further, thus achieving a higher arc voltage at the same outer dimensions.
  • a circuit board 3 is used for the ignition of the spark gap with the horn electrodes 1 and 2.
  • the board 3 is used to attach the for the Ignition process required components and at the same time specifies the ignition 4 between the electrodes 1 and 2.
  • the necessary impedance for ignition can be formed on the one hand by discrete components or else by the board material itself. With such a circuit board Zünd Anlagen protection levels less than 1 kV can be realized.
  • the area 5 between the main electrodes 1 and 2 is used to split the function between lightning currents and subsequent currents.
  • the recesses 6 in the electrodes 1 and 2 are used to return the gases in the arc run area and are located above the ignition area. 5
  • the connecting lead 7 of the long electrode 1 is guided antiparallel to the corresponding electrode over a wide range.
  • the long electrode 1 is guided laterally to the arc extinguishing chamber or Deionhunt 8.
  • the short electrode 2 already ends in the arc running region 11 with the tip A.
  • the base point of the arc changes to the position B of the electrode 2 after reaching the position A.
  • the gases which are passed through the Deionhunt 8 and which are removed laterally after the arc division of the Deionhunt 8 are guided via openings 9 in a relaxation area 26 to cool.
  • the Deionhunt has on the front side a central crosspiece and a continuous longitudinal web, through which the gases are split and steered, so that a one-sided load on the overall construction of the Hörnerfunkenrangen module is avoided.
  • the cooled and expanded gases are supplied via openings 10 and recesses 6 in the electrodes 1 and 2 to the running area 11 again.
  • Fig. 4 shows the relaxation area 26 for the discharged gases.
  • the relaxation region 26 is located between the plastic injection part 22 and the outer vulcanized fiber plate 23.
  • the gases are mixed with a splitter 16 (see Fig. 3 ) redirected.
  • the splitter 16 simultaneously prevents the return of contaminants through the outlet opening 10th
  • the splitter 16 is advantageous with its explained effect with regard to the deflection and distribution of hot gases and the avoidance of the supply of burned products for the realization of the desired compact design.
  • the splitter makes it possible, despite the small distances between the outlet openings of the Deionhunt and the recesses in the electrodes 6 to realize a gas recirculation without complex measures.
  • the splitter ensures sufficient cooling and Endionisation, so that no flashbacks occur and the follow-current arc is supported in its movement.
  • the bushings 15 are provided for the riveting of the individual components.
  • Fig. 4 shows a cross section through an inventive embodiment of the horn spark gap.
  • the Deionhunt 8 has in the outflow next to the cross bar 25 has a continuous longitudinal ridge 24. This serves to ensure bilateral flow dynamics, so that the backflow is not only on one side. As a result, a uniform cooling of the gases and a better utilization of the heat capacity of the encapsulated spark gap is achieved. In principle, however, a one-sided flow control is conceivable.
  • the lateral discharge channels 14 of the Deionhunt 8 are vented directly downwards in the direction of splitter in the flow circuit in the inlet region where the gas is still relatively cold. This results in a short flow path with low flow resistance.
  • the lateral outlet channels 13 of the deion chamber 8 are vented via separate channels 27 upwards in the direction of the outflow region of the deion chamber. Thus, these hot gases are cooled more strongly over a longer flow path.
  • the vents of the Deionhunt, ie, the openings 12, 13 and 14 may be present between each Deionblech having a V-shaped portion, or also be realized offset between each second sheet on one side.
  • the vents of the Deionhunt are individually adjustable according to the given space conditions and the desired performance parameters.
  • a characteristic variable for a threatening overload of the spark gap is usually the temperature in the area of the ignition of the arc at the electrodes 1 or 2, at the return point B of the arc at the electrode 2 and also the temperature at the Deionwait.
  • a temperature-sensitive material e.g. a Lotformteil or a wax part are placed form-fitting, which is loaded by means of a spring bias on pressure or shearing.
  • the temperature-sensitive material can also be positioned on thermally well-coupled connection parts of the electrodes 1 and 2.
  • the corresponding limit temperature of the molding When the corresponding limit temperature of the molding is reached, after deformation, such as e.g. Compression or stretching, melting or shearing, a mechanical indicator operated or released.
  • the heating of individual parts takes a certain time, due to the given heat conduction or existing heat capacities.
  • the monitoring of the pressure or the force can be used for a display.
  • the arc pressure in the running area, the back pressure in the arc extinguishing chamber, in particular above in the gas deflection and the gas pressure within the expansion chamber of the gases is suitable.
  • the outer insulating plate of the corresponding chamber can be practically used as a membrane for pressure measurement.
  • mechanical predetermined breaking points can be installed in these areas, which operate a display from a certain pressure level or at the same time contribute to the pressure load at high overloads, so that a burst protection is given.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Plasma Technology (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Thermistors And Varistors (AREA)

Claims (11)

  1. Éclateur à cornes avec chambre de désionisation (8) dans une forme structurelle sans soufflage, comprenant un boîtier en matériau isolant en plusieurs parties à titre de corps de soutien et de réception pour les électrodes à cornes et la chambre de désionisation (8), ainsi que des moyens pour guider l'écoulement gazeux provoqué par l'arc électrique, dans lequel les électrodes à cornes ont une forme asymétrique, comprenant une électrode plus longue (1) et une électrode plus courte (2), telles que dans la zone d'éclatement (5) les deux électrodes (1 ; 2) s'étendent pratiquement parallèlement ou avec une faible divergence,
    caractérisé en ce que
    le boîtier en matériau isolant est subdivisé dans le plan défini par les électrodes à cornes, et forme une première demi-coque et une seconde demi-coque (22) et la zone de parcours de l'arc électrique (11) entre les électrodes est limitée en direction de la chambre de désionisation (8) par un matériau isolant en forme de plaque (20), ledit matériau isolant en forme de plaque (20) étant respectivement mis en place avec coopération de formes dans une première conformation de la demi-coque respective, les premières conformations reçoivent un doublage ferromagnétique (21) de la zone de parcours de l'arc électrique (11), et le matériau isolant en forme de plaque (20) sépare le doublage respectif sur le plan électrique vis-à-vis des électrodes,
    les demi-coques (22) possèdent d'autres secondes conformations, qui reçoivent avec coopération de formes une partie susceptible d'être mise en place de la chambre de désionisation, et des traversées ou des ouvertures se trouvent entre la première et la seconde conformation respective dans la demi-coque respective, et la plus courte des électrodes se termine devant la partie de chambre de désionisation, de sorte que l'écoulement gazeux ne parvient que partiellement dans la chambre de désionisation.
  2. Éclateur à cornes selon la revendication 1,
    caractérisé en ce que celui-ci possède une structure de type sandwich, et les demi-coques sont reliées en coopération de forces par des vis ou par des rivets.
  3. Éclateur à cornes selon la revendication 1 ou 2,
    caractérisé en ce que les côtés extérieurs des demi-coques détournés des électrodes possèdent, au moins dans la zone des traversées ou des ouvertures, une troisième conformation respective, qui reçoivent avec coopération de formes une plaque extérieure en matériau isolant (23).
  4. Éclateur à cornes selon la revendication 3,
    caractérisé en ce que la troisième conformation comporte une barrette ou un séparateur (16) pour diviser l'écoulement gazeux, et le tronçon formé par la troisième conformation et par la plaque extérieure en matériau isolant (23) forme une chambre de détente de gaz (26).
  5. Éclateur à cornes selon la revendication 4,
    caractérisé en ce que la chambre de détente de gaz comporte un intervalle traversant en forme de fente pour ramener les gaz vers la chambre de combustion de l'arc électrique et, pour entretenir et soutenir l'arc électrique par l'écoulement de gaz, les électrodes possèdent des ouvertures ou des ressauts au-dessus de la zone d'allumage.
  6. Éclateur à cornes selon l'une des revendications précédentes,
    caractérisé en ce que l'alimentation électrique à la plus longue des électrodes (2) est menée de manière antiparallèle sur un tronçon aussi grand que possible.
  7. Éclateur à cornes selon l'une des revendications précédentes,
    caractérisé en ce que la plus courte des électrodes (1) possède une forte impédance.
  8. Éclateur à cornes selon l'une des revendications précédentes,
    caractérisé en ce que l'allumage ou le déclenchement a lieu au moyen d'une plaque flexible à circuits avec un tronçon conducteur, qui est introduite dans la zone d'allumage entre les électrodes.
  9. Éclateur à cornes selon l'une des revendications précédentes,
    caractérisé en ce que celui-ci possède un affichage d'état d'erreur avec une pièce conformée qui fond ou dont la forme devient instable sous des températures excessives, et qui est sous la précontrainte d'un ressort.
  10. Éclateur à cornes selon l'une des revendications 3 à 9,
    caractérisé en ce que la plaque extérieure en matériau isolant (23) qui se déforme sous une sollicitation en pression est en coopération avec un système de capteurs pour détecter des états de fonctionnement inhabituels.
  11. Éclateur à cornes selon l'une des revendications précédentes,
    caractérisé en ce que celui-ci forme un module universel avec des bornes de raccordement extérieures pour les électrodes, ce module pouvant être intégré dans une partie enfichable ou dans un boîtier extérieur selon les souhaits de la clientèle.
EP11732395.6A 2010-08-04 2011-06-14 Éclateur à cornes à chambre de désionisation Active EP2443710B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11732395T PL2443710T3 (pl) 2010-08-04 2011-06-14 Iskiernik rożkowy z komorą dejonizacji

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010033294 2010-08-04
DE102011102257.4A DE102011102257B4 (de) 2010-08-04 2011-05-23 Hörnerfunkenstrecke mit Deionkammer
PCT/EP2011/059805 WO2012016743A1 (fr) 2010-08-04 2011-06-14 Éclateur à cornes à chambre de désionisation

Publications (2)

Publication Number Publication Date
EP2443710A1 EP2443710A1 (fr) 2012-04-25
EP2443710B1 true EP2443710B1 (fr) 2013-09-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11732395.6A Active EP2443710B1 (fr) 2010-08-04 2011-06-14 Éclateur à cornes à chambre de désionisation

Country Status (7)

Country Link
US (1) US9019680B2 (fr)
EP (1) EP2443710B1 (fr)
CN (1) CN103069672B (fr)
DE (2) DE102011102257B4 (fr)
PL (1) PL2443710T3 (fr)
RU (1) RU2561069C2 (fr)
WO (1) WO2012016743A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015013222B3 (de) 2015-07-27 2016-12-15 DEHN + SÖHNE GmbH + Co. KG. Schaltungsanordnung zur elektronischen Ansteuerung von triggerbaren Überspannungsableitern
DE102016115223B4 (de) 2015-11-10 2022-02-17 Dehn Se + Co Kg Hörnerfunkenstrecke mit Deionkammer in nichtausblasender Bauform
DE102018117275B3 (de) * 2018-05-24 2019-07-04 Dehn + Söhne Gmbh + Co. Kg Nichtrotationssymmetrische Hörnerfunkenstrecke mit Deionkammer
DE102019101200A1 (de) * 2018-07-04 2020-01-09 Dehn Se + Co Kg Überspannungsschutzanordnung mit einer in einem isolierenden Gehäuse befindlichen Hörnerfunkenstrecke mit Deionkammer zur Lichtbogenlöschung
DE102018126227A1 (de) 2018-08-29 2020-03-05 Dehn Se + Co Kg Modulumhausung zum Aufnehmen mehrerer, miniaturisierter Hörnerfunkenstrecken
DE102018121138B3 (de) 2018-08-29 2019-12-05 Dehn Se + Co Kg Miniaturisierte Hörnerfunkenstrecke mit integrierter Deionkammer
DE102020214136B3 (de) 2020-11-10 2021-12-09 Dehn Se + Co Kg Blitzschutz-Funkenstrecke

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Publication number Priority date Publication date Assignee Title
US3611007A (en) * 1970-03-03 1971-10-05 Gen Electric Current limiting spark gap assembly having electromagnetic means for retarding arc movement therein
DE4041887A1 (de) * 1990-12-27 1992-07-02 Abb Patent Gmbh Lichtbogenkammer fuer ein elektrisches schaltgeraet
DE4439730C2 (de) * 1994-10-17 1996-09-26 Phoenix Contact Gmbh & Co Überspannungsschutzelement
ATE193789T1 (de) * 1994-10-07 2000-06-15 Phoenix Contact Gmbh & Co Überspannungsschutzelement
EP0793318A1 (fr) * 1996-03-01 1997-09-03 Felten & Guilleaume Austria Ag Dispositif dérivateur de surtensions
AT405112B (de) * 1997-02-12 1999-05-25 Felten & Guilleaume Ag Oester Überspannungsableiteinrichtung
FR2843243B1 (fr) * 2002-08-05 2004-11-05 Soule Protection Surtensions Dispositif de protection d'un reseau de distribution d'energie electrique
FR2877155B1 (fr) * 2004-10-25 2008-09-26 Soule Prot Surtensions Sa Dispositif de protection contre les surtensions a deconnexion amelioree et procede correspondant
FR2880468B1 (fr) * 2005-01-04 2007-04-06 Soule Prot Surtensions Sa Appareil de protection d'une installation electrique a capacite de coupure amelioree
DE102005015401B4 (de) * 2005-01-10 2014-03-20 Dehn + Söhne Gmbh + Co. Kg Überspannungsableiter mit zwei divergierenden Elektroden und einer zwischen den Elektroden wirkenden Funkenstrecke
FR2907606B1 (fr) * 2006-10-20 2009-01-09 Soule Prot Surtensions Sa Dispositif de protection contre les surtensions avec plages de raccordement et electrodes monoblocs.

Also Published As

Publication number Publication date
DE102011123020B3 (de) 2016-10-27
US9019680B2 (en) 2015-04-28
DE102011102257A1 (de) 2012-02-09
CN103069672A (zh) 2013-04-24
WO2012016743A1 (fr) 2012-02-09
EP2443710A1 (fr) 2012-04-25
PL2443710T3 (pl) 2014-02-28
DE102011102257B4 (de) 2016-05-19
RU2013105148A (ru) 2014-09-10
RU2561069C2 (ru) 2015-08-20
US20130235502A1 (en) 2013-09-12
CN103069672B (zh) 2014-07-09

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