EP0034360A1 - Electrode pour dérivateur de surtension à décharge dans un gaz et dérivateur de surtension muni d'une telle électrode - Google Patents

Electrode pour dérivateur de surtension à décharge dans un gaz et dérivateur de surtension muni d'une telle électrode Download PDF

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Publication number
EP0034360A1
EP0034360A1 EP81101084A EP81101084A EP0034360A1 EP 0034360 A1 EP0034360 A1 EP 0034360A1 EP 81101084 A EP81101084 A EP 81101084A EP 81101084 A EP81101084 A EP 81101084A EP 0034360 A1 EP0034360 A1 EP 0034360A1
Authority
EP
European Patent Office
Prior art keywords
pin
electrode
electrodes
electrical connection
gas discharge
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.)
Granted
Application number
EP81101084A
Other languages
German (de)
English (en)
Other versions
EP0034360B1 (fr
Inventor
Gerhard Ing. Grad Lange
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0034360A1 publication Critical patent/EP0034360A1/fr
Application granted granted Critical
Publication of EP0034360B1 publication Critical patent/EP0034360B1/fr
Expired 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
    • 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
    • H01T4/02—Details
    • 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
    • H01T4/04—Housings

Definitions

  • Powerful surge arresters must be able to discharge surge currents> 10 kA. In the case of double-line surge arresters, this means that a total current of> 20 kA flows through a common center electrode. Such high surge currents cause electrical contact connections to cause the contact material to spatter, thereby damaging the sockets. A better electrical connection for such currents is provided by soldered connecting wires, which are generally made of copper and then have a diameter of approximately 1 mm. Copper is also preferably chosen for the electrode material for electrical and economic reasons. The fixed connection between the electrode and the connecting wire can then be produced by soldering or welding.
  • the present invention has for its object to design the electrodes of a gas discharge surge arrester so that long-term resistance welding is possible, which can not only be produced with automatic welding machines for economic reasons but is also mechanically and electrically reliable.
  • two configurations for the pin are possible. Either it is created directly during the manufacture of the electrode without machining by direct shaping, for example in an extrusion process, or it is formed after the manufacture of the electrode by machining, for example by milling.
  • a cup-shaped electrode with a thickened bottom protruding into the interior of the gas discharge surge arrester carries a peg on the bottom side in the interior of the bowl facing outwards.
  • an annular central electrode additionally carries a pin on at least one peripheral point on its outside.
  • a tubular insulator 1 carries a cup-shaped electrode 2 or 3 at its two ends and an annular central electrode 4.
  • the edge of the cup-shaped electrodes lies on the end faces of the insulator 1 and project with their solid bottoms axially into the interior of the insulator 1.
  • a cylindrical pin 5 made of the same material, for example copper, sits centrally and facing outwards.
  • the end face of an electrical connecting wire 6 made of copper is welded onto the outer end face of the pin.
  • the diameter of the pin 5 is about nine tenths, the axial length about six tenths as the optimum from the range five to eight tenths of the diameter of the connecting wire 6.
  • the center electrode 4 - with a larger outer diameter than that of the insulator 1 carries one at a peripheral point radially protruding pin 7 with the same dimensions as the pin 5.
  • the end face of a connecting wire 8 made of copper is welded onto the outer end face of the pin 7.
  • the pins 5 and 7 are formed, at least in their rough dimensions, simultaneously with the manufacture of the electrodes 2, 3 and 4, for example by an extrusion process. Machining rework is advantageous for precise dimensioning.
  • FIG. 3 A longitudinal section of a gas discharge surge arrester is shown in FIG. 3, in which two tubular insulators 9 and 10 are axially aligned with an axially intermediate annular central electrode 11 and at their other ends with a cup-shaped electrode 12 and 13, respectively.
  • the electrodes 11 to 13 are each solid on their inner sides with opposing stair-shaped active electrode surfaces. They are made of copper.
  • the edges of the electrodes 12 and 13 rest on the respective end faces of the insulators 9 and 10.
  • Ring grooves are milled into each of the bowl bottoms, thereby forming pins 14, the outer end faces of which do not protrude beyond the outside of the bowl bottoms.
  • the outer end faces of the pins 14 are the welding connection surfaces with the end faces of connecting wires 15 made of copper.
  • the pins 14 again have a diameter of approximately nine tenths and a length of approximately six tenths of the wire diameter.
  • a radially outwardly projecting pin 16 is formed by radially milling in an annular groove, and a connecting wire 17 made of copper is welded onto the outer end face thereof.
  • the dimensioning corresponds to the pin 14.
  • FIGs 5 and 6 corresponds to that of Figures 3 and 4 only with the difference that the annular groove, which forms the pin 18 on the outside of the center electrode, is expanded so that a whole segment apart from the center electrode 11 is lifted from the pin 18. I.e. there is no edge portion of the center electrode 11 coaxially surrounding the pin 18. A connecting wire 19 is welded onto the pin 18. The dimensioning corresponds to that of the pin 16.

Landscapes

  • Manufacturing Of Electrical Connectors (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Details Of Resistors (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Thermistors And Varistors (AREA)
EP81101084A 1980-02-19 1981-02-16 Electrode pour dérivateur de surtension à décharge dans un gaz et dérivateur de surtension muni d'une telle électrode Expired EP0034360B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3006193 1980-02-19
DE3006193A DE3006193C2 (de) 1980-02-19 1980-02-19 Elektrische Anschlußverbindung der Elektroden eines Gasentladungs-Überspannungsableiters

Publications (2)

Publication Number Publication Date
EP0034360A1 true EP0034360A1 (fr) 1981-08-26
EP0034360B1 EP0034360B1 (fr) 1984-11-14

Family

ID=6095005

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81101084A Expired EP0034360B1 (fr) 1980-02-19 1981-02-16 Electrode pour dérivateur de surtension à décharge dans un gaz et dérivateur de surtension muni d'une telle électrode

Country Status (4)

Country Link
US (1) US4362962A (fr)
EP (1) EP0034360B1 (fr)
JP (1) JPS56136485A (fr)
DE (1) DE3006193C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6570090B1 (en) 1999-06-16 2003-05-27 Epcos Aktiengesellschaft Electrically conductive connection between a terminal electrode and a connecting wire

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5959822A (en) * 1995-12-22 1999-09-28 Hubbell Incorporated Compact lightning arrester assembly
DE19731312A1 (de) 1997-07-15 1999-01-28 Siemens Ag Überspannungsableiter mit äußerer Kurzschlußeinrichtung
JP4319750B2 (ja) * 2000-01-05 2009-08-26 新光電気工業株式会社 三極放電管
DE60206365T2 (de) 2001-03-28 2006-07-06 Schering Corporation, Kenilworth Verfahren für die enantioselektive synthese von azetidinon-zwischenprodukten
DE102005036265A1 (de) * 2005-08-02 2007-02-08 Epcos Ag Funkenstrecke
CN101297452A (zh) 2005-09-14 2008-10-29 力特保险丝有限公司 充气式电涌放电器、激活化合物、点火条及相应方法
JP4847911B2 (ja) * 2007-03-30 2011-12-28 岡谷電機産業株式会社 電子部品

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB243700A (en) * 1924-11-26 1926-04-01 Westinghouse Electric & Mfg Co Improvements relating to joining electric conductors
US3509405A (en) * 1968-07-01 1970-04-28 Gen Electric Coaxial vacuum gap devices including doubly reentrant electrode assemblies
FR2149661A5 (fr) * 1971-08-19 1973-03-30 Commissariat Energie Atomique
DE2160115A1 (de) * 1971-12-03 1973-06-07 Awilow Gasgefuellter ableiter
DE2714248A1 (de) * 1977-03-30 1978-10-05 Siemens Ag Gasentladungs-ueberspannungsableiter

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427727A (en) * 1943-09-24 1947-09-23 Gen Electric Leading-in wire
US2790656A (en) * 1953-03-31 1957-04-30 Kaiser Aluminium Chem Corp Aluminum-dissimilar metal joint and method of making same
US2740915A (en) * 1954-10-18 1956-04-03 Jennings Radio Mfg Corp Adjustable spark gap
US3278778A (en) * 1963-04-26 1966-10-11 Westinghouse Electric Corp High-current seal for electric discharge lamp
CH444276A (de) * 1965-03-17 1967-09-30 Cerberus Ag Ueberspannungsableiter mit Edelgasfüllung
US3422302A (en) * 1967-04-11 1969-01-14 Wagner Electric Corp Lamp lead wire terminal
DE1951015C3 (de) * 1969-10-09 1979-02-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zum Herstellen eines Überspannungsknopf ableiten
DE7112842U (de) * 1971-04-02 1971-09-09 Siemens Ag Gasentladungs-ueberspannungsableiter
JPS4834721U (fr) * 1971-08-25 1973-04-26
US4188561A (en) * 1977-01-14 1980-02-12 Joslyn Mfg. And Supply Co. Station protector spark gap applique
DE2828650C3 (de) * 1978-06-29 1982-03-25 Siemens AG, 1000 Berlin und 8000 München Überspannungsableiter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB243700A (en) * 1924-11-26 1926-04-01 Westinghouse Electric & Mfg Co Improvements relating to joining electric conductors
US3509405A (en) * 1968-07-01 1970-04-28 Gen Electric Coaxial vacuum gap devices including doubly reentrant electrode assemblies
FR2149661A5 (fr) * 1971-08-19 1973-03-30 Commissariat Energie Atomique
DE2160115A1 (de) * 1971-12-03 1973-06-07 Awilow Gasgefuellter ableiter
DE2714248A1 (de) * 1977-03-30 1978-10-05 Siemens Ag Gasentladungs-ueberspannungsableiter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6570090B1 (en) 1999-06-16 2003-05-27 Epcos Aktiengesellschaft Electrically conductive connection between a terminal electrode and a connecting wire

Also Published As

Publication number Publication date
JPH0126152B2 (fr) 1989-05-22
EP0034360B1 (fr) 1984-11-14
DE3006193C2 (de) 1984-04-12
JPS56136485A (en) 1981-10-24
DE3006193A1 (de) 1981-08-27
US4362962A (en) 1982-12-07

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