EP1992051B1 - Eclateur a haute puissance encapsule, resistant a la pression, ferme non hermetiquement, a la construction de base a symetrie rotationnelle - Google Patents

Eclateur a haute puissance encapsule, resistant a la pression, ferme non hermetiquement, a la construction de base a symetrie rotationnelle Download PDF

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Publication number
EP1992051B1
EP1992051B1 EP07726631A EP07726631A EP1992051B1 EP 1992051 B1 EP1992051 B1 EP 1992051B1 EP 07726631 A EP07726631 A EP 07726631A EP 07726631 A EP07726631 A EP 07726631A EP 1992051 B1 EP1992051 B1 EP 1992051B1
Authority
EP
European Patent Office
Prior art keywords
electrode
main
spark gap
trigger electrode
main 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.)
Not-in-force
Application number
EP07726631A
Other languages
German (de)
English (en)
Other versions
EP1992051A1 (fr
Inventor
Arnd Ehrhardt
Stephan Hierl
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
Publication of EP1992051A1 publication Critical patent/EP1992051A1/fr
Application granted granted Critical
Publication of EP1992051B1 publication Critical patent/EP1992051B1/fr
Not-in-force 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
    • H01T4/12—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel hermetically sealed
    • 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
    • H01T2/00—Spark gaps comprising auxiliary triggering means
    • H01T2/02—Spark gaps comprising auxiliary triggering means comprising a trigger electrode or an auxiliary spark gap
    • 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 an encapsulated, pressure-resistant executed, non-hermetically sealed, fundamental constructionally rotationally symmetrical high-performance spark gap with two spaced opposite main electrodes, a metallic outer casing with an end crimping, at least one trigger electrode, a discharge space and preferably frontally arranged electrical connection contacts for the main electrodes according to the preamble of the claim.
  • surge arresters on the basis of spark gaps according to the prior art, these are designed to be encapsulated in applications in the low-voltage range in order to avoid the environment-threatening blowing out of hot or even ionized gases.
  • the arresters are provided with additional triggering devices.
  • a trigger device requires isolation of the additional, generally loaded with high voltage further electrode.
  • the additional expenditure of space and the additional insulation materials also lead to a further limitation of the performance of such realized arrester.
  • the potential of the ignition electrode is also supplied via the pressure-resistant metallic shell of the spark gap.
  • the local pressure-resistant jacket is made of one piece and it is used for the preparation of a simple forming process.
  • the waiver of an insulated implementation of the ignition potential leads in this variant, however, to an additional burden of insulation in the interior of the spark gap, since both electrodes must be isolated not only against each other, but also with respect to the entire housing.
  • the complex and voltage-resistant insulation in particular, the heat output from the spark gap This leads to an increased thermal load on the insulating parts, to long cooling times and to an enormous limitation of the space available for the spark gap. All of these disadvantages ultimately limit the performance of the spark gap.
  • the solution after EP 1 542 323 A also includes a discharge space and preferably arranged on the front side electrical connection contacts for the main electrodes and main electrode embedding and Zentrier stresses for mechanically fixing the main electrodes to each other and with respect to the outer housing.
  • the contacting of the trigger electrode by means of insulated wire or preferably a band-shaped conductor which is inserted in a gap-shaped space between an outer side of one of the main electrodes and the associated side of the main electrode embedding and centering body.
  • the outer terminal end of the conductor is accessible in the region of the front-side terminal of the respective main electrode and the inside, stripped end of the conductor is in electrical connection with the trigger electrode.
  • the preferably used band-shaped conductor is located in the gap-shaped space and conforms to the outer contour of the main electrode with deformation, no additional grooves or the like in the main electrode embedding and centering are necessary.
  • the main electrode embedding and centering based on the material of the band-shaped conductor or the respective main electrode has a lower hardness and a certain elasticity, sufficient mechanical stability and tightness even in the area of the laid band-shaped conductor care is taken.
  • connection between the trigger electrode and the stripped end of the band can be realized by clamping, soldering, welding, but also by gluing.
  • the already contacted trigger electrode is then further processed during assembly with the existing connector, i.
  • the stack arrangement of the first main electrode embedding and centering body with the first main electrode located there, the body with the trigger electrode and then the opposite, second main electrode is formed.
  • the main electrode embedding and centering body surrounding the second main electrode accommodates the band-shaped conductor.
  • the crimping of the metallic outer housing takes place in each case in the end region of the overall arrangement, so that there is an extremely pressure-stable and fixed spark gap.
  • the substantially rotationally symmetrical high-performance spark gap according to the figure has two opposing main electrodes 2 and 3.
  • These main electrodes 2, 3 have a T-shape in cross-section, the leg of the T extending in the axial longitudinal direction having an external electrical connection, e.g. in the form of a threaded hole.
  • main electrode embedding and centering 4 and 5 the main electrodes 2 and 3 with respect to the outer housing 1, which preferably consists of metal held.
  • a trigger electrode 6, which may be designed, for example, disk-shaped with through-hole, extends with its inner sides as far as the discharge space 7 or into it.
  • the trigger electrode 6 is fixed via an insulating body 6a relative to the outer housing 1 and the two main electrodes 2 and 3 in their position.
  • the outer housing 1 On the peripheral side, the outer housing 1 has a flange in order to give the overall arrangement the necessary pressure resistance.
  • the main electrode embedding and centering body 5 is made isolated.
  • a pulse voltage-resistant thin band 8 is guided between the parts that are necessary anyway for the spark gap to the trigger electrode 6 and contacts this.
  • the necessary connection between the trigger electrode 6 and the stripped end of the band 8 can be done by clamping, soldering, welding, but also by an adhesive connection.
  • the preferably used band 8 has the advantage over a wire that due to the small thickness of the band 8 from one to a few tenths of a millimeter no special processing or grooves in the relevant parts of the spark gap, in particular the main electrode embedding and centering 5 are introduced which does not create any additional requirements from a technological point of view.
  • the inserted tape prepares prior to attaching the main electrode embedding and centering body 5 with respect to the associated main electrode 3 no difficulties.
  • a further advantage of the invention is that almost all components or assemblies can be used both for a design of a spark gap without as well as with triggering, so that reduce the expenses relating to the production of individual parts and storage.

Landscapes

  • Spark Plugs (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Disintegrating Or Milling (AREA)
  • Fuses (AREA)

Claims (1)

  1. Éclateur à haute puissance encapsulé, résistant à la pression, fermé de manière non hermétique présentant une structure de base à symétrie de révolution comprenant deux électrodes principales écartées opposées (2 ; 3), un boîtier extérieur métallique (1) avec un rabattement du côté frontal, au moins une électrode de gâchette (6), une chambre à décharge (7) ainsi que des contacts de raccordement électrique, agencés de préférence du côté frontal, pour les électrodes principales (2 ; 3), et des corps d'intégration et de centrage (4 ; 5) pour les électrodes principales, destinés à fixer les électrodes principales (2 ; 3) l'une à l'autre et par référence au boîtier extérieur (1),
    caractérisé en ce que
    pour la mise en contact de l'électrode de gâchette (6), un fil isolé ou un conducteur (8) en forme de bande est mis en place dans un espace en forme de fente entre une face extérieure de l'une des électrodes principales (2 ; 3) et le côté associé du corps d'intégration et de centrage (4 ; 5), dans lequel l'extrémité de raccordement extérieure du conducteur est accessible dans la région du contact de raccordement du côté frontal de l'électrode principale concernée, et l'extrémité intérieure dénudée du conducteur est en liaison électrique avec l'électrode de gâchette (6).
EP07726631A 2006-03-09 2007-03-05 Eclateur a haute puissance encapsule, resistant a la pression, ferme non hermetiquement, a la construction de base a symetrie rotationnelle Not-in-force EP1992051B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006011014 2006-03-09
DE102006020129A DE102006020129A1 (de) 2006-03-09 2006-05-02 Gakapselte, druckfest ausgeführte, nicht hermetisch dichte, grundkonstruktiv rotationssymmetrische Hochleistungsfunkenstrecke
PCT/EP2007/052051 WO2007101837A1 (fr) 2006-03-09 2007-03-05 Éclateur à haute puissance encapsulé, résistant à la pression, fermé non hermétiquement, à la construction de base à symétrie rotationnelle

Publications (2)

Publication Number Publication Date
EP1992051A1 EP1992051A1 (fr) 2008-11-19
EP1992051B1 true EP1992051B1 (fr) 2011-10-05

Family

ID=38042950

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07726631A Not-in-force EP1992051B1 (fr) 2006-03-09 2007-03-05 Eclateur a haute puissance encapsule, resistant a la pression, ferme non hermetiquement, a la construction de base a symetrie rotationnelle

Country Status (6)

Country Link
EP (1) EP1992051B1 (fr)
JP (1) JP2009529759A (fr)
AT (1) ATE527730T1 (fr)
DE (1) DE102006020129A1 (fr)
RU (1) RU2008139455A (fr)
WO (1) WO2007101837A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014015611A1 (de) 2014-10-23 2016-04-28 Phoenix Contact Gmbh & Co. Kg Überspannungsableiter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA016980B1 (ru) * 2011-12-30 2012-08-30 Открытое Акционерное Общество "Нпо "Стример" Усиленный разрядник для защиты электрооборудования от грозовых перенапряжений и изолятор и линия электропередачи, снабженные таким разрядником

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR755703A (fr) * 1932-05-17 1933-11-29 Thomson Houston Comp Francaise Dispositif sélectifs à décharge
US3218499A (en) * 1962-12-05 1965-11-16 Jennings Radio Mfg Corp Triggering arrangement for a vacuum spark gap
US3450922A (en) * 1966-08-03 1969-06-17 Gen Electric Triggerable vacuum gap having offset trigger
FR2341214A1 (fr) * 1976-02-16 1977-09-09 Comp Generale Electricite Eclateur declenche
DE3889700D1 (de) 1987-08-28 1994-06-30 Eev Ltd Funkenstreckenvorrichtung.
DD290123A7 (de) * 1988-03-10 1991-05-23 Adw,Zi F. Elektronenphysik,De Zentralgetriggerte funkenstrecke
DE10008764A1 (de) 1999-03-04 2000-09-28 Phoenix Contact Gmbh & Co Überspannungsschutzeinrichtung
DE10018012B4 (de) * 2000-02-22 2005-02-24 Dehn + Söhne Gmbh + Co. Kg Druckfest gekapselte Funkenstreckenanordnung zum Ableiten von schädlichen Störgrößen durch Überspannungen
DE10164025B4 (de) 2001-08-21 2005-08-25 Dehn + Söhne Gmbh + Co. Kg Gekapselter, Netzfolgestrom begrenzender Überspannungsableiter auf Funkenstreckenbasis
DE10338835B4 (de) * 2003-08-21 2016-06-02 Phoenix Contact Gmbh & Co. Kg Überspannungsschutzeinrichtung
DE102004006988B4 (de) 2003-11-28 2014-02-06 Dehn + Söhne Gmbh + Co. Kg Überspannungsschutzeinrichtung auf Funkenstreckenbasis, umfassend mindestens zwei in einem druckdichten Gehäuse befindliche Hauptelektroden

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014015611A1 (de) 2014-10-23 2016-04-28 Phoenix Contact Gmbh & Co. Kg Überspannungsableiter
DE102014015611B4 (de) 2014-10-23 2022-03-31 Phoenix Contact Gmbh & Co. Kg Überspannungsableiter

Also Published As

Publication number Publication date
ATE527730T1 (de) 2011-10-15
DE102006020129A1 (de) 2007-09-13
EP1992051A1 (fr) 2008-11-19
JP2009529759A (ja) 2009-08-20
WO2007101837A1 (fr) 2007-09-13
RU2008139455A (ru) 2010-04-20

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