EP0954073B1 - Dispositif de protection contre les surtensions - Google Patents

Dispositif de protection contre les surtensions Download PDF

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Publication number
EP0954073B1
EP0954073B1 EP99107875A EP99107875A EP0954073B1 EP 0954073 B1 EP0954073 B1 EP 0954073B1 EP 99107875 A EP99107875 A EP 99107875A EP 99107875 A EP99107875 A EP 99107875A EP 0954073 B1 EP0954073 B1 EP 0954073B1
Authority
EP
European Patent Office
Prior art keywords
electrodes
protection element
element according
overvoltage protection
housing
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.)
Expired - Lifetime
Application number
EP99107875A
Other languages
German (de)
English (en)
Other versions
EP0954073A1 (fr
Inventor
Gerd Dipl.-Ing. Kracht
Eberhard Dipl.-Ing. Lehmann
Klaus Prof. Dr.-Ing. Scheibe
Joachim Dipl.-Ing. Schimanski
Martin Dr.-Ing. Wetter
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7865872&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0954073(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Priority to EP01116334A priority Critical patent/EP1143585B2/fr
Publication of EP0954073A1 publication Critical patent/EP0954073A1/fr
Application granted granted Critical
Publication of EP0954073B1 publication Critical patent/EP0954073B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the invention relates to an overvoltage protection element for the derivation of transients Overvoltages, with two in parallel each having a power connection electrodes arranged side by side and next to each other, one between the electrodes effective air breakdown spark gap and a receiving the electrodes Casing.
  • Such an overvoltage protection element is e.g. B. from the DE 919 056 C known.
  • Surge protection elements with an air breakdown spark gap and side by side lying electrodes are also from FR 2 389 944 A, the US 3,878,423 and known from US 3,450,923. According to US 3,878,423 Electrodes arranged one behind the other.
  • surge protection element by which the invention is based on, i.e. one with an air breakdown spark gap, there are surge protection elements with an air flashover spark gap, in which a sliding discharge occurs when activated (cf. DE 27 18 188 A1, DE 29 34 236 A1 and DE 31 01 354 A1).
  • Surge protection elements of the type from which the invention is based that is to say those with an air breakdown spark gap, have overvoltage protection elements with an air flashover spark gap the advantage of a higher surge current carrying capacity, however, the disadvantage of a higher - and not particularly constant - response voltage.
  • each electrode has a connection leg and spark horn running at an acute angle to the connecting leg and form the spark horns of the two - spaced apart - Electrodes together form the air breakdown spark gap. It is between the opposite ends of the connecting legs of the two electrodes one - a sliding discharge triggering ignition aid is provided.
  • DE 44 02 615 A1 that it is advantageous if the spark horns of the Electrodes in their areas adjacent to the connection legs with a bore are provided.
  • the above-mentioned surge protection element known from DE 44 02 615 A1 is carried out in practical implementation so that it has a surge current carrying capacity of 100 kA, on the other hand to delete network follow currents is suitable in the range of 100 A.
  • the invention is based on the object of an overvoltage protection element Provide generic type that is simple and inexpensive to build on is easily adaptable to different requirements in its manufacture and is still functional even after multiple responses.
  • the surge protection element according to the invention is now characterized in that that the electrodes have different cross sections over their length.
  • the electrodes can be cylindrical and a circular one have oval and / or a rectangular cross section.
  • Different cross sections means not only a difference in geometry, i.e. circular, oval or rectangular, but also in dimensions; the electrodes can be graduated in length across its length so that the area known as the air breakdown spark gap should be effective, specified in a special way locally can be.
  • the interior of the electrode receiving Housing is lined, the lining preferably made of POM-Teflon consists.
  • the surge protection element according to the invention serves to derive transient overvoltages and to limit surge currents, in particular of lightning impulse currents, as well as for the deletion of network follow currents; lightning impulse currents up to 100 kA can be derived and line follow currents from typically 3 to 4 kA, maximum of 25 kA or even 50 kA, can be deleted.
  • the surge protection element according to the invention consists in its essential Construction from two electrodes 3, 4, each having a current connection 1, 2 between the electrodes 3, 4 effective air breakdown spark gap 5 and one the electrodes 3, 4 housing 6.
  • the electrodes 3, 4 are arranged parallel to one another.
  • the Electrodes 3, 4 are arranged side by side; their longitudinal axes therefore fall apart.
  • the electrodes 3, 4 are cylindrical; they have a circular cross section.
  • Electrode sections 3c and 4c the largest diameter. Between the electrode sections 3c and 4c is therefore the smallest distance, so that between the Electrode sections 3c and 4c formed the air breakdown spark gap 5 is.
  • the power connections could both electrodes are on the same side.
  • the power connections 1 and 2 of both electrodes 3 and 4 are located on opposite sides. They run as is easily taken from the figures can be parallel to each other. However, exemplary embodiments are also conceivable, where the power connections of both electrodes are at an acute angle to each other.
  • the interior of the the electrodes 3, 4 housing 6 is lined, the liner preferably consists of POM-Teflon.
  • an overvoltage protection element according to the invention shown in the figures is a particularly advantageous one in that the electrodes 3, 4 receiving housing 6 is closed and pressure-resistant.
  • the Printing cylinder 10 has a printing sleeve 11, the printing sleeve 11 on one side with an external thread 12 and on the other side with an inwardly projecting Flange 13 is provided, a union nut 14 is provided and the union nut 14 is screwed onto the pressure sleeve 11.
  • the manufacture of the surge protection element according to the invention that is Manufacture of the individual parts and the assembly of these individual parts is pronounced simple and therefore inexpensive.
  • the electrodes 3, 4, the individual parts of the housing 6, namely the housing jacket 7 and the Housing flanges 8, 9, and the individual parts of the outer pressure cylinder 10, that is the pressure sleeve 11 and the union nut 14 are rotationally symmetrical Parts that are either readily available or as turned parts modern machine tools can be mass-produced.
  • each housing flange 8, 9 is both with a Through hole 15, 16, as well as provided with a blind hole 17, 18.
  • the so trained housing flanges 8, 9 thus allow both the passage of Power connections 1, 2, and - on the other side - an end bearing of the electrodes 3, 4, namely in the area of the electrode sections 3e, 4e.
  • an inventive Overvoltage protection element applies that the housing flanges 8, 9 sealing can be clamped against the cylindrical housing shell 7, with Help of the outer pressure cylinder 10, namely in that the union nut 14th is screwed onto the pressure sleeve 11.
  • the housing 6 receiving the electrodes 3, 4 can have air as the extinguishing gas; however, it can also be provided with another known extinguishing gas, for example SF 6 . Otherwise, the extinguishing gas in the electrodes 3, 4 receiving housing 6 are at atmospheric pressure, but is also conceivable, in the embodiment described, in which the electrodes 3, 4 receiving housing 6 is pressure-tight and pressure-resistant that the extinguishing gas is at a pressure deviating from the atmospheric pressure.

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Thermistors And Varistors (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Surgical Instruments (AREA)
  • Bipolar Transistors (AREA)

Claims (19)

  1. Elément de protection de surtensions pour la déviation de surtensions passagères, avec deux électrodes (3, 4) présentant chacune un branchement électrique (1, 2) et disposées de façon parallèle et juxtaposée, un éclateur de décharge disruptive dans l'air (5) efficace entre les électrodes (3, 4) et un boítier (6) recevant les électrodes (3, 4), caractérisé en ce que les électrodes (3, 4) présentent des sections différentes sur leur longueur.
  2. Elément de protection de surtensions selon la revendication 1, caractérisé en ce que les parties d'électrode (3c, 4c) avec le plus grand diamètre se font face.
  3. Elément de protection de surtensions selon la revendication 1 ou 2, caractérisé en ce que les électrodes (3, 4) sont réalisées de façon cylindrique.
  4. Elément de protection de surtensions selon la revendication 1 ou 2, caractérisé en ce que les électrodes (3, 4) ont une section circulaire.
  5. Elément de protection de surtensions selon la revendication 1 ou 2, caractérisé en ce que les électrodes présentent une section ovale.
  6. Elément de protection de surtensions selon la revendication 1 ou 2, caractérisé en ce que les électrodes présentent une section rectangulaire.
  7. Elément de protection de surtensions selon la revendication 6, caractérisé en ce que les électrodes sont arrondies dans la zone des bords.
  8. Elément de protection de surtensions selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les branchements électriques des deux électrodes sont disposés du même côté.
  9. Elément de protection de surtensions selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les branchements électriques (1, 2) de deux électrodes (3, 4) sont disposés sur des côtés opposés.
  10. Elément de protection de surtensions selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les branchements électriques (1, 2) de deux électrodes (3, 4) sont parallèles entre eux.
  11. Elément de protection de surtensions selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les branchements électriques de deux électrodes forment un angle aigu entre eux.
  12. Elément de protection de surtensions selon l'une quelconque des revendications 1 à 11, caractérisé en ce que l'espace intérieur du boítier (6) recevant les électrodes (3, 4) est revêtu.
  13. Elément de protection de surtensions selon la revendication 12, caractérisé en ce que le revêtement est en téflon à base d'oxyde polyméthylénique.
  14. Elément de protection de surtensions selon l'une quelconque des revendications 1 à 13, caractérisé en ce que le boítier (6) est disposé dans un cylindre de pression (10) extérieur.
  15. Elément de protection de surtensions selon la revendication 14, caractérisé en ce que le cylindre de pression (10) présente une douille de pression (11), la douille de pression (11) est pourvue sur un côté d'un filetage extérieur (12) et sur l'autre côté d'une bride (13) dépassant vers l'intérieur, un écrou-raccord (14) est prévu et l'écrou-raccord (14) est vissé sur la douille de pression (11).
  16. Elément de protection de surtensions selon l'une quelconque des revendications 1 à 15, caractérisé en ce que le boítier (6) recevant les électrodes (3, 4) présente de l'air comme gaz d'extinction.
  17. Elément de protection de surtensions selon l'une quelconque des revendications 1 à 15, caractérisé en ce que le boítier (6) recevant les électrodes (3, 4) présente du SF6 comme gaz d'extinction.
  18. Elément de protection de surtensions selon la revendication 16 ou 17, caractérisé en ce que le gaz d'extinction est soumis à la pression atmosphérique.
  19. Elément de protection de surtensions selon la revendication 16 ou 17, caractérisé en ce que le gaz d'extinction est soumis à une pression différente de la pression atmosphérique.
EP99107875A 1998-04-27 1999-04-21 Dispositif de protection contre les surtensions Expired - Lifetime EP0954073B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01116334A EP1143585B2 (fr) 1998-04-27 1999-04-21 Dispositif limiteur de surtensions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19818674A DE19818674B4 (de) 1998-04-27 1998-04-27 Überspannungsschutzelement
DE19818674 1998-04-27

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP01116334A Division EP1143585B2 (fr) 1998-04-27 1999-04-21 Dispositif limiteur de surtensions
EP01116334.2 Division-Into 2001-07-05

Publications (2)

Publication Number Publication Date
EP0954073A1 EP0954073A1 (fr) 1999-11-03
EP0954073B1 true EP0954073B1 (fr) 2002-07-03

Family

ID=7865872

Family Applications (2)

Application Number Title Priority Date Filing Date
EP99107875A Expired - Lifetime EP0954073B1 (fr) 1998-04-27 1999-04-21 Dispositif de protection contre les surtensions
EP01116334A Expired - Lifetime EP1143585B2 (fr) 1998-04-27 1999-04-21 Dispositif limiteur de surtensions

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP01116334A Expired - Lifetime EP1143585B2 (fr) 1998-04-27 1999-04-21 Dispositif limiteur de surtensions

Country Status (6)

Country Link
US (2) US6392862B1 (fr)
EP (2) EP0954073B1 (fr)
CN (1) CN1257586C (fr)
AT (2) ATE220252T1 (fr)
DE (3) DE19818674B4 (fr)
ES (2) ES2180239T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7271992B2 (en) 2000-11-28 2007-09-18 Dehn + Soehne Gmbh + Co. Kg Compact arrangement for multipole, surge-proof surge arresters and encapsulated surge arrester for the same
DE10164232A1 (de) * 2001-12-31 2003-07-17 Phoenix Contact Gmbh & Co Mehrpoliges Überspannungsschutzsystem und verfahren zum sicheren Betrieb eines mehrpoligen Überspannungsschutzsystems
DE10231431B4 (de) * 2002-07-11 2014-03-20 Dehn + Söhne Gmbh + Co. Kg Gekapselter, druckfester Überspannungsableiter mit einer Funkenstrecke
FR2855662B1 (fr) * 2003-06-02 2005-07-15 I T H P P Eclateur, et notamment eclateur a haute tension
DE102018133389A1 (de) * 2018-12-21 2020-06-25 Phoenix Contact Gmbh & Co. Kg Überspannungsableiter

Family Cites Families (27)

* Cited by examiner, † Cited by third party
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DE919055C (de) 1942-03-05 1954-10-11 Reinhold Holze Sicherheitsschaltung fuer elektromotorische Antriebe von Werkzeugmaschinen mit magnetischen Aufspannvorrichtungen
DE919056C (de) * 1951-01-14 1954-10-11 Wickmann Werke Ag Edelgasgefuellter UEberspannungsableiter
DE1280384B (de) * 1964-06-10 1968-10-17 Siemens Ag Gasentladungs-UEberspannungsableiter
CH444276A (de) * 1965-03-17 1967-09-30 Cerberus Ag Ueberspannungsableiter mit Edelgasfüllung
GB1389142A (en) * 1973-05-31 1975-04-03 Comtelco Uk Ltd Electrical surge arrestor
DE2718188C3 (de) * 1977-04-23 1984-07-05 Dehn + Söhne GmbH + Co KG, 8500 Nürnberg Überspannungsschutzgerät
IT1115469B (it) * 1977-05-06 1986-02-03 Sits Soc It Telecom Siemens Dispositivo ad effetto di campo per la protezione da sovratensioni
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DE3716997A1 (de) * 1987-05-21 1988-12-08 Phoenix Elekt Ueberspannungsschutzgeraet
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DE4141682C2 (de) * 1991-12-17 1996-09-26 Phoenix Contact Gmbh & Co Überspannungsschutzelement
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EP0603428B1 (fr) † 1992-12-24 1996-06-12 Cerberus Ag Dérivateur de surtensions, rempli de gaz
DE4244051C2 (de) * 1992-12-28 1996-03-14 Phoenix Contact Gmbh & Co Überspannungsschutzelement
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DE19619334A1 (de) * 1996-05-14 1997-11-20 Dehn & Soehne Verfahren zur Löschung des Lichtbogens des Netzfolgestromes in einer Funkenstrecke sowie Funkenstreckenanordnung zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
EP0954073A1 (fr) 1999-11-03
CN1257586C (zh) 2006-05-24
DE19818674B4 (de) 2004-04-29
ES2217060T5 (es) 2009-04-16
US20020024789A1 (en) 2002-02-28
US6392862B1 (en) 2002-05-21
EP1143585B1 (fr) 2004-05-12
ATE266903T1 (de) 2004-05-15
ES2217060T3 (es) 2004-11-01
DE19818674A1 (de) 1999-10-28
EP1143585A3 (fr) 2002-11-06
CN1241054A (zh) 2000-01-12
US6529360B2 (en) 2003-03-04
ATE220252T1 (de) 2002-07-15
ES2180239T3 (es) 2003-02-01
DE59901894D1 (de) 2002-08-08
EP1143585B2 (fr) 2008-11-05
EP1143585A2 (fr) 2001-10-10
DE59909490D1 (de) 2004-06-17

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