EP0419940B1 - Verfahren zur Herstellung einer Vakuumschaltkammer - Google Patents

Verfahren zur Herstellung einer Vakuumschaltkammer Download PDF

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Publication number
EP0419940B1
EP0419940B1 EP90117533A EP90117533A EP0419940B1 EP 0419940 B1 EP0419940 B1 EP 0419940B1 EP 90117533 A EP90117533 A EP 90117533A EP 90117533 A EP90117533 A EP 90117533A EP 0419940 B1 EP0419940 B1 EP 0419940B1
Authority
EP
European Patent Office
Prior art keywords
solder
spacers
vacuum
switching chamber
cover
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
EP90117533A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0419940A3 (en
EP0419940A2 (de
Inventor
Günter Pilsinger
Joseph Lipperts
Wolfgang Dr. Diem
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.)
ABB Calor Emag Schaltanlagen AG
Original Assignee
Calor Emag AG
Degussa GmbH
ABB Calor Emag Schaltanlagen 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 Calor Emag AG, Degussa GmbH, ABB Calor Emag Schaltanlagen AG filed Critical Calor Emag AG
Publication of EP0419940A2 publication Critical patent/EP0419940A2/de
Publication of EP0419940A3 publication Critical patent/EP0419940A3/de
Application granted granted Critical
Publication of EP0419940B1 publication Critical patent/EP0419940B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H2011/0087—Welding switch parts by use of a laser beam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
    • H01H2033/66215—Details relating to the soldering or brazing of vacuum switch housings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
    • H01H2033/66223—Details relating to the sealing of vacuum switch housings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/662—Housings or protective screens
    • H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
    • H01H2033/66276—Details relating to the mounting of screens in vacuum switches

Definitions

  • the invention relates to a method for producing a vacuum interrupter according to the preamble of the claim.
  • Degassing gaps can be formed by the solder foil itself, in that it is wave-shaped or nub-shaped by squeezing (DE-B-11 04 623).
  • solder spacers distributed on a flat solder foil around the circumference. These consist either of solder wire sections in L, V or O shape or of solid punched rectangular, square or round solder sections. According to DE-A-20 44 277 (closest state of the art), these spacers consist of U-shaped pockets which are pushed onto the solder foil. These spacers must be placed exactly, usually manually, on the solder foil, without marking points on the solder foil There is a risk that they will shift in the further course of the assembly and, in the worst case, fall into the vacuum chamber, from which they have to be removed with great expenditure of time. Furthermore, the solder wire pieces can be contaminated unnecessarily during production, which is not vacuum-tight solder seam can result.
  • the invention has for its object to provide a method according to the preamble of the claim with which the solder spacers are to be positioned exactly and securely.
  • the vacuum interrupter contains a cylindrical ceramic jacket body 1, which is closed by two metal covers 3, 4. The latter are penetrated by two conductor stems 5, 6 in a vacuum-tight manner.
  • the stem 6 is movable and connected to the cover 4 via the bellows 7.
  • the stems 5, 6 carry switch contact pieces 8, 9 and are surrounded by the metal screen 10, which protects the ceramic jacket body 1 against switching arc products.
  • Further metal screens 10a, 10b serve the internal dielectric strength of the switching chamber and cover the inner end edge of the ceramic jacket body 1.
  • the metal jacket 11 protects the bellows 7.
  • solder assemblies are created, ie various chamber parts are interposed with solder, e.g. B. in the form of solder foils. Finally, the solder assemblies are combined to form the switching chamber (see FIG. 1) and placed in a vacuum oven. This is evacuated and heated up to the melting temperature of the solders. Degassing gaps must be arranged so that the gases can escape from the chamber. For this purpose, a metallic cover 3 is erected using solder spacers 12. The degassing gap 13 is formed between the individual solder spacers 12 distributed around the circumference. In the example shown (see FIG. 2), the spacers 12 are placed on an annular solder foil 14, which covers the basic solder supply of the connection point.
  • the lid 3 is not directly on the ceramic jacket body 1, but with the interposition of an annular ring 15 of the soft-metallic screen 10a, which compensates for the different expansion coefficients of the aforementioned parts to be connected, soldered.
  • cover 3 and metal screen 10a form a unit and are erected by solder spacers 12.
  • the soldering furnace temperature is raised to the melting temperature of the solder spacers 12, these flow and the cover 3 lowers - with the degassing gap being eliminated.
  • the switching chamber is closed in a vacuum-tight manner.
  • FIG. 3 shows a top view of the solder foil 14 with solder spacers 12 attached. Both parts are firmly connected and can be handled as a whole. According to the invention, the connection takes place by means of a laser pulse which penetrates the respective parts and welds them in a punctiform manner. The connection process is carried out under vacuum or in a protective gas atmosphere.
  • solder spacers can also be designed as circular disks.
  • the shown anti-displacement device for the solder spacers makes the manufacture of the vacuum interrupter much easier and safer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Switches (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Ceramic Products (AREA)
EP90117533A 1989-09-23 1990-09-12 Verfahren zur Herstellung einer Vakuumschaltkammer Expired - Lifetime EP0419940B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3931774A DE3931774A1 (de) 1989-09-23 1989-09-23 Verfahren zur herstellung einer vakuumschaltkammer
DE3931774 1989-09-23

Publications (3)

Publication Number Publication Date
EP0419940A2 EP0419940A2 (de) 1991-04-03
EP0419940A3 EP0419940A3 (en) 1991-12-27
EP0419940B1 true EP0419940B1 (de) 1995-10-25

Family

ID=6390033

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90117533A Expired - Lifetime EP0419940B1 (de) 1989-09-23 1990-09-12 Verfahren zur Herstellung einer Vakuumschaltkammer

Country Status (4)

Country Link
US (1) US5222651A (enrdf_load_stackoverflow)
EP (1) EP0419940B1 (enrdf_load_stackoverflow)
JP (1) JPH03119618A (enrdf_load_stackoverflow)
DE (2) DE3931774A1 (enrdf_load_stackoverflow)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06196048A (ja) * 1992-12-25 1994-07-15 Ngk Insulators Ltd 真空バルブの製造方法
DE9319945U1 (de) * 1993-12-21 1995-04-20 Siemens AG, 80333 München Lötring für vakuumelektronische Bauelemente
DE4431067A1 (de) * 1993-12-24 1995-06-29 Abb Patent Gmbh Vakuumschaltkammer
DE19510850C1 (de) * 1995-03-17 1996-07-25 Siemens Ag Vakuumschaltröhre
GB2308498B (en) * 1995-12-21 2000-04-19 Gec Alsthom Ltd Electrically conductive shield for a vacuum switching device
DE19753031C1 (de) * 1997-11-18 1999-04-22 Siemens Ag Kreisringförmige Lotfolie und Verfahren zur Herstellung von Vakuumschaltröhren mit schneidgelöteten Metall-Keramik-Verbindungen
EP1059650B1 (de) * 1999-06-10 2004-04-21 ABB Technology AG Vakuumkammer
DE10007907C2 (de) * 1999-06-10 2002-03-14 Abb T & D Tech Ltd Vakuumschaltkammer
JP3842735B2 (ja) * 2000-12-13 2006-11-08 シーメンス アクチエンゲゼルシヤフト 真空遮断器の容器部品間の接続部と真空遮断器
NL1019651C2 (nl) * 2001-12-21 2003-06-24 Holec Holland Nv Soldeerring voor vervaardigen van vacuümbuis, en werkwijze voor het vervaardigen van een dergelijke soldeerring en van een vacuümbuis.
JP2004055150A (ja) * 2002-07-16 2004-02-19 Hitachi Ltd 真空スイッチギヤの製造方法
DE102005003812A1 (de) * 2005-01-27 2006-10-05 Abb Technology Ag Verfahren zur Herstellung eines Kontaktstückes, sowie Kontaktstück für eine Vakuumschaltkammer selbst
DE102006043018A1 (de) * 2006-09-13 2008-03-27 Switchcraft Europe Gmbh Verfahren zur verbesserten Herstellung von Vakuum-Schaltkammern
US8039771B2 (en) * 2008-08-11 2011-10-18 Eaton Corporation Vacuum envelope including self-aligning end shield, vacuum interrupter, vacuum circuit interrupter and method including the same
FR2951314A1 (fr) * 2009-10-12 2011-04-15 Schneider Electric Ind Sas Dispositif d'assemblage par brasage d'un capot d'extremite sur un corps cylindrique et ampoule a vide comportant un tel dispositif
CN103337406A (zh) * 2013-06-17 2013-10-02 北海银河产业投资股份有限公司 真空灭弧室软连接
JP6499500B2 (ja) * 2015-04-20 2019-04-10 株式会社日立製作所 ダウンホール圧縮装置
DE102017222415B4 (de) * 2017-12-11 2021-03-25 Siemens Aktiengesellschaft Schirmelement für eine Vakuumschaltröhre
US10916392B2 (en) 2018-09-17 2021-02-09 Eaton Intelligent Power Limited Reinforcement structure for a vacuum interrupter
JP7004027B2 (ja) * 2020-06-18 2022-01-21 株式会社明電舎 真空インタラプタおよび真空遮断器
DE102020212307B4 (de) 2020-09-30 2024-03-28 Siemens Aktiengesellschaft Lotfolie für Vakuumschaltröhren
CN112927966B (zh) * 2021-01-07 2022-10-18 平高集团有限公司 一种真空灭弧室整管装配工装
DE102021207949B3 (de) * 2021-07-23 2022-08-11 Siemens Aktiengesellschaft Herstellungsverfahren für ein elektrisches Betriebsmittel und elektrisches Betriebsmittel
DE102023208341A1 (de) * 2023-08-31 2025-03-06 Siemens Aktiengesellschaft Verfahren zum Herstellen einer Vakuumschaltröhre

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2882116A (en) * 1956-09-20 1959-04-14 Eitel Mccullough Inc Method of making electron tubes
DE1104623B (de) * 1958-05-08 1961-04-13 Eitel Mccullough Inc Verfahren zur Herstellung von elektrischen Entladungsroehren ohne Pumpstutzen
US3368023A (en) * 1965-01-11 1968-02-06 Jennings Radio Mfg Corp Hermetically sealed envelope structure for vacuum component
GB1318651A (en) * 1969-09-30 1973-05-31 Westinghouse Electric Corp Method of sealing and evacuating vacuum envelopes
US3656225A (en) * 1969-09-30 1972-04-18 Westinghouse Electric Corp Method of sealing and evacuating vacuum envelopes
GB1504666A (en) * 1975-03-22 1978-03-22 Gemvac Kk Vacuum power interrupter and method of making the same
FR2333358A1 (fr) * 1975-11-28 1977-06-24 Comp Generale Electricite Generateur electrochimique du type soufre-sodium
JPS587010B2 (ja) * 1980-06-05 1983-02-08 株式会社東芝 放射線透過用窓を有する真空容器の製造方法
JPS5790846A (en) * 1980-11-27 1982-06-05 Toshiba Corp Manufacture of vacuum valve
JPS59214122A (ja) * 1983-05-20 1984-12-04 株式会社明電舎 真空インタラプタ
DE3703326A1 (de) * 1987-02-04 1988-08-18 Siemens Ag Vakuumschaltroehre
EP0286335B2 (en) * 1987-04-02 2001-10-17 Kabushiki Kaisha Toshiba Air-tight ceramic container
DE8810941U1 (de) * 1988-08-30 1988-10-13 Calor-Emag Elektrizitäts-AG, 4030 Ratingen Vakuum-Schaltkammer

Also Published As

Publication number Publication date
EP0419940A3 (en) 1991-12-27
JPH03119618A (ja) 1991-05-22
DE3931774C2 (enrdf_load_stackoverflow) 1992-02-06
DE3931774A1 (de) 1991-04-04
DE59009814D1 (de) 1995-11-30
EP0419940A2 (de) 1991-04-03
US5222651A (en) 1993-06-29

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