EP2443709B1 - Ensemble éclateur comprenant deux électrodes de préférence planes, placées en vis-à-vis, maintenues à distance dans un corps de boîtier - Google Patents

Ensemble éclateur comprenant deux électrodes de préférence planes, placées en vis-à-vis, maintenues à distance dans un corps de boîtier Download PDF

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Publication number
EP2443709B1
EP2443709B1 EP11743796.2A EP11743796A EP2443709B1 EP 2443709 B1 EP2443709 B1 EP 2443709B1 EP 11743796 A EP11743796 A EP 11743796A EP 2443709 B1 EP2443709 B1 EP 2443709B1
Authority
EP
European Patent Office
Prior art keywords
spark gap
shells
gap arrangement
housing body
electrodes
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
EP11743796.2A
Other languages
German (de)
English (en)
Other versions
EP2443709B9 (fr
EP2443709A1 (fr
Inventor
Michael Waffler
Uwe Strangfeld
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.)
Filing date
Publication date
Application filed by Dehn and Soehne GmbH and Co KG filed Critical Dehn and Soehne GmbH and Co KG
Priority to PL11743796T priority Critical patent/PL2443709T3/pl
Publication of EP2443709A1 publication Critical patent/EP2443709A1/fr
Application granted granted Critical
Publication of EP2443709B1 publication Critical patent/EP2443709B1/fr
Publication of EP2443709B9 publication Critical patent/EP2443709B9/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
    • H01T1/00—Details of spark gaps
    • 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
    • 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

Definitions

  • the invention relates to a spark gap arrangement with two in a housing body at a distance, opposite, preferably flat electrodes, forming an arc combustion chamber, as well as a standing with the arc combustion chamber gas cooling and pressure compensation chamber according to the preamble of patent claim 1.
  • a spark gap assembly for use in the power supply having an arc chamber within which arcing occurs between two electrodes of the spark gap.
  • the arc chamber is followed by an intermediate chamber whose volume is substantially greater than the volume of the arc chamber.
  • spark gap arrangement which is suitable for applications with high lightning current loads and low follow currents, ie in particular for a circuit between N and PE, wherein the spark gap arrangement Vietnameseausblasend to be realized and may take only a small amount of space. Furthermore, a possibility is to be created to realize a cost-effective and simple way a stringing together a plurality of similar or similar spark gaps or a via and mechanical connection in a series arrangement of corresponding spark gaps.
  • a spark gap arrangement with two in a housing body at a distance, opposite, preferably flat electrodes forming an arc combustion chamber. Furthermore, there is a gas cooling and pressure compensation chamber, which is connected to the arc combustion chamber and formed as a corresponding pressure equalization chamber.
  • the housing body is produced from two half shells, preferably from an insulating plastic material.
  • the half shells each have in a plane opposite first recesses for electrode connection legs.
  • the electrode connection legs are on the outside of the housing body with a known terminal in combination. This connection can be realized by riveting or positive locking.
  • the electrode connection legs are connected to the actual electrodes e.g. connected by riveting. In this way, the most cost-effective material for each purpose can be used.
  • the half-shells each have a first space for receiving a Isolierstoffhalters for the electrodes and a second space for receiving a channels owning cooling block with high heat capacity.
  • the cooling block may consist of a metallic material and corresponding milled or introduced in any other meandering channels for multiple gas deflection, corresponding cooling and pressure reduction have.
  • a U-shaped bracket is provided which at least the receiving area of the cooling block, the half shells on the outside embraces, is arranged.
  • This high heat capacity U-shaped clamp is mechanically and compressively loadable with the half-shells, e.g. connected by riveting.
  • the half-shells in the region which is provided for receiving the cooling block, small slots or openings, so that a pressure equalization is possible. Gas flowing in the region of these small openings is again cooled and relaxed by the U-shaped clamp.
  • a second recess is introduced as a passage slot in at least one of the half shells to receive a contacted with the electrode extended connecting leg, so that a thread-like juxtaposition and electrical contacting several such spark gap arrangements can be done in a very simple and mechanically stable manner ,
  • One of the connecting legs for the electrodes has a molded-on tab for receiving a higher temperature form-changing melting part, wherein the molded part is acted upon by a defined spring force and is directly or indirectly in operative connection with a display element, so that a thermal overload can be signaled.
  • a trigger device is provided, which is located in a recess or in a cavity of the insulating part.
  • the trigger device is preferably realized as a thin circuit board, which carries the necessary Anêtbauimplantation. Furthermore, the printed circuit board has an end, which extends into the electrode gap, to act there as ignition or trigger electrode.
  • the half-shells form a flat housing body in a preferably rectangular shape, wherein the housing assembly can be mounted in a freely configurable outer housing.
  • the spark gap on electrodes 1 which are fuel and / or positively connected to their respective terminal bracket 2.
  • One of the two electrodes can be connected to an extended connecting leg 3, so that an electrical contact and mechanical attachment to other arrester modules can be realized, as for example the Fig. 5 lets recognize.
  • the guide of the connecting legs, in particular of the longer connecting leg 3 is geometrically designed so that, despite a high current load in the case of discharge nearly no electromagnetic force effect between the individual arrester modules.
  • the Fig. 2 shows once again the preassembled unit of electrode 1, connector 2 and extended connecting leg 3, here supplemented by a tab 4, which serves to receive a molded part 5 with a defined lower melting temperature, for example solder preform or wax bolt.
  • the molded part 5 monitors both the thermal load of the surrounding plastic parts, ie the half-shells or Isolierstoffhalters 11 (see Fig. 4 ) as well as the temperature of the metallic parts.
  • the prestressed spring 7 moves the indicator slide 6.
  • the in the Fig. 3a . 3b and 5 spark gap arrangement shown is not designed ausblasblasend.
  • the resulting pressure load is extremely reduced by the integrated cooling block 8, preferably made of a material with high heat capacity, such as copper, and there existing integrated Gasumlenkungskanälen.
  • a still necessary pressure equalization with the environment is carried out by meandering channels smallest cross section in the area 13 after Fig. 3b ,
  • Fig. 3a and 3b each show a lower half-shell 14, which have corresponding recesses for both the Isolierstoffhalter 11 and for the cooling block 8. Visible here is the location of external terminals 15.
  • the U-shaped bracket 9 is used for additional cooling and extends the meandering channels and also contributes to the pressure reduction. It is designed insulated from electrical components.
  • the spark gap will be equipped with a corresponding necessary auxiliary ignition unit.
  • the necessary ignition circuit preferably comprising an interconnection of a varistor and a gas arrester for controlling the internal spark gap, is located on an insulating plate 10. This is completely integrated in the insulating material 11, which in turn is in the overall pressure-resistant housing body 13.
  • the thin Isolierstofffolie 10 serves not only as a carrier for the components of the auxiliary ignition circuit, but with a corresponding end which extends between the electrodes, as the ignition electrode.
  • the bores 18 in the insulating holder 11 are surrounded by domes 12, which serve to receive the terminal bracket 2 with the corresponding main electrodes 1, for which purpose a correspondingly provided on the outer dimensions of the corresponding dome opening is introduced in the terminal brackets.

Landscapes

  • Fuses (AREA)
  • Spark Plugs (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Generation Of Surge Voltage And Current (AREA)
  • Emergency Protection Circuit Devices (AREA)

Claims (6)

  1. Ensemble éclateur comprenant deux électrodes opposées, de préférence surfaciques (1) maintenues à distance dans un corps de boîtier (13), ces électrodes formant une chambre de combustion d'un arc électrique ainsi qu'une chambre de refroidissement de gaz et de compensation de pression qui communique avec la chambre de combustion de l'arc électrique,
    caractérisé en ce que
    le corps de boîtier (13) est formé de deux demi-coques (14 ; 16) qui possèdent chacune des premiers évidements opposés dans un plan pour des pattes de connexion d'électrodes (3), lesquelles sont à leur tour connectées du côté extérieur du corps de boîtier avec une borne de connexion (15),
    les demi-coques (14 ; 16) possèdent respectivement une première chambre pour la réception d'un support en matériau isolant (11) pour les électrodes (1) et une seconde chambre pour la réception d'un bloc de refroidissement (8) comportant des canaux, avec une forte capacité thermique,
    et il est en outre prévu au moins une pince (9) en forme de U et capable de conduire la chaleur, qui enserre du côté extérieur au moins la zone de réception du bloc de refroidissement et les demi-coques, ladite pince étant reliée avec les demi-coques (14 ; 16) de manière mécanique et capable de supporter une pression.
  2. Ensemble éclateur selon la revendication 1,
    caractérisé en ce qu'un second évidement est ménagé perpendiculairement au plan entre les premiers évidements dans une demi-coque, à titre de fente traversante, afin de recevoir une patte de connexion (3) prolongée en contact avec les électrodes (1), ou susceptible d'être mise en contact, de sorte qu'il est possible de disposer en rangée et de mettre simultanément en contact électrique d'autres ensembles éclateurs à la manière d'un enfilage.
  3. Ensemble éclateur selon la revendication 1 ou 2,
    caractérisé en ce que l'une des pattes de connexion (3) comporte une languette conformée (4) pour la réception d'une pièce fusible dont la forme se modifie à haute température, ladite pièce conformée (5) étant sollicitée par une force élastique définie (7) et étant directement ou indirectement en liaison d'action avec un élément d'affichage.
  4. Ensemble éclateur selon l'une des revendications précédentes,
    caractérisé en ce que pour établir une tension de réaction faible, il est prévu un système de déclenchement, qui se trouve dans un évidement ou dans une cavité du support en matériau isolant (11).
  5. Ensemble éclateur selon la revendication 4,
    caractérisé en ce que le système de déclenchement comprend une plaque conductrice mince ou une plaque conductrice semblable à un film avec une extrémité qui s'étend jusque dans l'intervalle entre les électrodes.
  6. Ensemble éclateur selon l'une des revendications précédentes,
    caractérisé en ce que les demi-coques (14 ; 16) constituent un corps de boîtier plat (13), de préférence de forme rectangulaire, ledit agencement de boîtier étant susceptible d'être mis en place dans un boîtier extérieur qui peut être librement configuré.
EP11743796.2A 2010-08-18 2011-07-13 Ensemble éclateur comprenant deux électrodes de préférence planes, placées en vis-à-vis, maintenues à distance dans un corps de boîtier Active EP2443709B9 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11743796T PL2443709T3 (pl) 2010-08-18 2011-07-13 Układ iskiernika z dwoma utrzymywanymi w odstępie w korpusie obudowy, przeciwległymi, korzystnie płaskimi elektrodami

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010034668 2010-08-18
DE102011102869.6A DE102011102869B4 (de) 2010-08-18 2011-05-31 Funkenstreckenanordnung mit zwei in einem Gehäusekörper auf Abstand gehaltenen, gegenüberliegenden, bevorzugt flächigen Elektroden
PCT/EP2011/061919 WO2012022548A1 (fr) 2010-08-18 2011-07-13 Ensemble éclateur comprenant deux électrodes de préférence planes, placées en vis-à-vis, maintenues à distance dans un corps de boîtier

Publications (3)

Publication Number Publication Date
EP2443709A1 EP2443709A1 (fr) 2012-04-25
EP2443709B1 true EP2443709B1 (fr) 2013-09-18
EP2443709B9 EP2443709B9 (fr) 2013-12-25

Family

ID=45557494

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11743796.2A Active EP2443709B9 (fr) 2010-08-18 2011-07-13 Ensemble éclateur comprenant deux électrodes de préférence planes, placées en vis-à-vis, maintenues à distance dans un corps de boîtier

Country Status (7)

Country Link
US (1) US9178335B2 (fr)
EP (1) EP2443709B9 (fr)
CN (1) CN103098323B (fr)
DE (1) DE102011102869B4 (fr)
PL (1) PL2443709T3 (fr)
RU (1) RU2564779C2 (fr)
WO (1) WO2012022548A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107833813A (zh) * 2017-12-11 2018-03-23 宏秀电气有限公司 一种防浪涌断路器
DE102018117275B3 (de) 2018-05-24 2019-07-04 Dehn + Söhne Gmbh + Co. Kg Nichtrotationssymmetrische Hörnerfunkenstrecke mit Deionkammer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187634A (en) * 1991-08-21 1993-02-16 Adc Telecommunications, Inc. Fail-safe protector
DE19717802B4 (de) * 1997-04-26 2009-09-17 Dehn + Söhne GmbH + Co KG Funkenstrecke
DE19845889B4 (de) 1998-10-06 2007-03-01 Dehn + Söhne GmbH + Co KG Funkenstreckenanordnung
DE10338835B4 (de) 2003-08-21 2016-06-02 Phoenix Contact Gmbh & Co. Kg Überspannungsschutzeinrichtung
DE10357945A1 (de) * 2003-12-09 2005-07-14 Phoenix Contact Gmbh & Co. Kg Überspannungsschutzeinrichtung
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
DE102005024658B4 (de) * 2005-05-30 2007-02-15 Dehn + Söhne Gmbh + Co. Kg Gekapselte, druckfest ausgeführte, nicht hermetisch dichte, rotationssymmetrische Hochleistungsfunkenstrecke

Also Published As

Publication number Publication date
DE102011102869A1 (de) 2012-02-23
DE102011102869B4 (de) 2020-01-23
RU2013108040A (ru) 2014-09-27
EP2443709B9 (fr) 2013-12-25
CN103098323B (zh) 2014-09-17
US9178335B2 (en) 2015-11-03
PL2443709T3 (pl) 2014-02-28
WO2012022548A1 (fr) 2012-02-23
RU2564779C2 (ru) 2015-10-10
EP2443709A1 (fr) 2012-04-25
US20130207531A1 (en) 2013-08-15
CN103098323A (zh) 2013-05-08

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