EP2297761A1 - Procédé et dispositif pour fabriquer des tubes de commutation à vide ou des ensembles de tubes de commutation à vide, et tubes de commutation à vide - Google Patents

Procédé et dispositif pour fabriquer des tubes de commutation à vide ou des ensembles de tubes de commutation à vide, et tubes de commutation à vide

Info

Publication number
EP2297761A1
EP2297761A1 EP09779504A EP09779504A EP2297761A1 EP 2297761 A1 EP2297761 A1 EP 2297761A1 EP 09779504 A EP09779504 A EP 09779504A EP 09779504 A EP09779504 A EP 09779504A EP 2297761 A1 EP2297761 A1 EP 2297761A1
Authority
EP
European Patent Office
Prior art keywords
vacuum
chamber
process chamber
vacuum interrupter
assembly
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
EP09779504A
Other languages
German (de)
English (en)
Other versions
EP2297761B1 (fr
Inventor
Robert Hack
Paul Kaiser
Frank Graskowski
Ulrich Brzezinski
Thomas Pfohl
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
PVA TePla AG
Original Assignee
Siemens AG
PVA TePla AG
Siemens Corp
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, PVA TePla AG, Siemens Corp filed Critical Siemens AG
Publication of EP2297761A1 publication Critical patent/EP2297761A1/fr
Application granted granted Critical
Publication of EP2297761B1 publication Critical patent/EP2297761B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • H01H33/66261—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 the production of vacuum interrupters or assemblies of vacuum interrupters with a Lötreasch.
  • a disadvantage of the method of the aforementioned type is that the soldering process chamber passes through the entire temperature and pressure range of the process from ambient conditions, ie room temperature and normal pressure, to high vacuum and soldering temperature. As a result of the loading of the soldering process chamber during atomizing with atmospheric pressure, the pumping down to a high vacuum takes a long time Period of time. Cooling the process chamber to ambient temperature with each batch change results in long reheat times until the process chamber is reheated to the soldering temperature.
  • Object of the present invention is to develop a method of the type mentioned, which allows for shorter process times a more flexible process management while improving the quality of the vacuum interrupters.
  • this object is achieved in a method of the type mentioned in the fact that in the method for producing vacuum interrupters with a Lötrearithmer
  • Assemblies of vacuum interrupters means in the sense of the invention, each compilation of components of a vacuum interrupter to which the inventive method is feasible, so a collection of components of a vacuum interrupter, which can be soldered under vacuum conditions, such as contacts and to be solubilized contact discs of a contact system of the vacuum interrupter.
  • the at least one preassembled vacuum interrupter or assembly is first introduced into a loading process chamber of the pre-treatment chamber and at low vacuum to a lying above the ambient temperature Temperature is heated, and then transported under high vacuum conditions in a heating process chamber of the pre-treatment chamber and heated under high vacuum to a temperature below the brazing temperature.
  • Such a method is advantageous because by heating to a temperature above the ambient temperature Ti under low vacuum already in a first step, a large part of the gases and precipitates contained in the preassembled vacuum stop tubes can be pumped or removed, so that the Total process time further reduced.
  • Such a method for the production of vacuum interrupters is advantageous because in each case at least one vacuum interrupter or assembly can be located in the process chamber assigned to the respective process step so that a clocked partial process management with several charges in different process chambers is simultaneously possible. Overall, this leads to a clearer reduction of the required process times. Furthermore, the energy costs are reduced by the different temperature and pressure differences for the respective process chambers because only a comparatively lower pressure or temperature difference has to be passed through for each chamber.
  • respective time intervals of a method step in the pretreatment chamber, the soldering process chamber, the cooling process chamber and the aeration chamber are the same length. As a result, the process time is further reduced because several batches of vacuum interrupters can be produced simultaneously in the device, because each time a change from one to the next process chamber another batch can be introduced into the device.
  • the invention further relates to a device for carrying out the method according to the invention described above
  • pretreatment chamber (2, 3) upstream of a soldering process chamber (4) for preheating and pre-evacuating at least one preassembled vacuum interrupter (7);
  • a cooling process chamber downstream of the soldering process chamber for cooling the vacuum interrupter to ambient temperature, and at least one transfer unit for transferring and transporting the vacuum interrupter under vacuum conditions.
  • the pretreatment chamber has a low-vacuum loading process chamber and a high-vacuum heating process chamber.
  • a design of the pretreatment chamber is advantageous because it achieves a further reduction of the process time by making it possible to carry out different steps in different process chambers.
  • the cooling process chamber is arranged downstream of a ventilation process chamber.
  • the loading process chamber and the aeration process chambers are formed by one and the same chamber, wherein the transfer unit is designed like a carousel.
  • Such a device is particularly advantageous because in a carousel-like design of the transfer unit, for example, four batches of vacuum interrupters can be present in parallel in the device, one in each process chamber, so that a continuous process management with the same process times for the individual process steps to reduce the total required process time leads.
  • the invention further relates to a vacuum interrupter or assembly made by a method of the invention as described above.
  • Such vacuum interrupters are advantageous because they are flexible and therefore inexpensive to produce with high quality due to low process times.
  • Figure 1 is a schematic diagram of the process flow of the method according to the invention.
  • Figure 2 is a schematic representation of an apparatus for performing the method according to the invention.
  • Figure 1 shows a schematic flow diagram in an XY representation, wherein the X-axis corresponds to the process time t and the Y-axis in the upper region of the prevailing in the respective process chamber temperature and the Y-axis in the lower part of the diagram of a logarithmic representation corresponds to the pressure prevailing in the respective process chamber pressure.
  • a loading process chamber 2 in a first time interval t.sub.i a loading process chamber 2 is pumped off to a pressure below the ambient pressure in the low-vacuum range and at the same time heated to a temperature T.sub.1 above the room temperature.
  • a receiving unit with at least one pre-assembled vacuum interrupter or assembly is transferred by means of a transfer unit in a Erdicarmungsrea- chamber under vacuum conditions in which within a time interval t 2 high vacuum conditions, ie pressures in the range ⁇ 10 ⁇ 5 mbar are generated and simultaneously a temperature T 2, which is below a brazing temperature T Lot in which liquefies the material used as the solder is heated.
  • T 2 which is below a brazing temperature T Lot in which liquefies the material used as the solder is heated.
  • the heating from room temperature to Tl in the loading process chamber is optional and can also be performed in the heating process chamber within the time interval t2.
  • the receiving unit with the at least one vacuum interrupter is in turn transferred to the soldering process chamber while maintaining the vacuum conditions, so that is heated during a time interval t3 in the soldering process chamber under high vacuum conditions to a soldering temperature T solder , which is selected in that a solder introduced in the preassembled vacuum interrupters or assemblies for the purpose of vacuum-tight soldering of the components liquefies with one another and thus forms the vacuum-tight soldering of the components with one another.
  • a cooling to a temperature below the soldering temperature T solder is effected within the soldering process chamber.
  • the steps corresponding to the time intervals ti to t 4 steps of the inventive method take place in the time intervals ti to t 4 as follows: the heating of the vacuum interrupter to a temperature above the ambient temperature in the interval ti, the step of heating to a temperature T 2 below the brazing temperature in the interval t 2 and the step of heating to a temperature T solder corresponding to the soldering temperature in the interval t3, wherein further the step of evacuating the loading process chamber takes place in a low vacuum in the interval ti, wherein the step further on high vacuum in the interval t 2 takes place, and wherein in the interval t 4, the step of cooling the vacuum interrupter takes place in the Abkühlmaschinesch.
  • the time intervals t1, t2, t3 and t4 are preferably the same length.
  • FIG. 2 shows a schematic representation of an apparatus for carrying out the method according to the invention described above with a transfer unit 1, which in the exemplary embodiment is designed like a carousel and transferring under vacuum conditions from a loading / aeration process chamber 2, which form one and the same chamber, in a heating process chamber 3 and a soldering process chamber 4 and a Abkühlvonsch 5 by lowering and raising a receiving unit 6, which is provided with at least one vacuum interrupter 7 or assembly, in the embodiment of Figure 2 a plurality of vacuum interrupters 7, with reference to with reference to 1 vacuum and temperature conditions described an introduction into the respective process chambers along the dashed line shown is possible.
  • the loading / aeration process chamber 2, the heating process chamber 3, the soldering process chamber 4 and the Abkühlvon lock 5 are arranged above the transfer unit 1 and connected by suitable Vakuumschieberund lock systems (not shown figuratively) with this, so that by lowering and raising the receiving unit 6 a transfer is possible.
  • the transfer unit is designed carousel-like, so that the loading and the aeration process chamber 2 are formed by one and the same process chamber and is provided for both loading and unloading.
  • Other embodiments of a device are also conceivable, for example with a linear one Transfer unit, in which case the loading process chamber at the beginning of the device and the aeration process chamber at the end of the device are arranged with interposed heating process and Lötluischn.

Landscapes

  • Electric Connection Of Electric Components To Printed Circuits (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Abstract

L'invention concerne un procédé destiné à fabriquer des tubes de commutation à vide (7) ou des ensembles de tubes de commutation à vide à l'aide d'une chambre de traitement de soudure (4). Le procédé comporte les étapes suivantes : a) au moins un tube de commutation à vide (7) ou ensemble prémonté est placé dans une chambre de prétraitement (2, 3) disposée devant la chambre de traitement de soudure (4), préchauffé puis pré-évacué; b) le tube de commutation à vide (7) ou ensemble prétraité est transféré dans la chambre de traitement de soudure (4) et amené à une température de soudure (TLöt) dans une condition de vide poussé; et ensuite c) le tube de commutation à vide (7) ou ensemble soudé et évacué est transporté dans une chambre de refroidissement (5) pour y être refroidi; le transfert et le transport des tubes de commutation à vide se faisant dans des conditions sous vide. L'invention concerne également un dispositif pour exécuter le procédé et un tube de commutation à vide ou un ensemble.
EP09779504.1A 2008-07-14 2009-05-19 Procédé et dispositif pour fabriquer des tubes de commutation à vide ou des ensembles de tubes de commutation à vide, et tubes de commutation à vide Not-in-force EP2297761B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008033725 2008-07-14
PCT/EP2009/056043 WO2010006830A1 (fr) 2008-07-14 2009-05-19 Procédé et dispositif pour fabriquer des tubes de commutation à vide ou des ensembles de tubes de commutation à vide, et tubes de commutation à vide

Publications (2)

Publication Number Publication Date
EP2297761A1 true EP2297761A1 (fr) 2011-03-23
EP2297761B1 EP2297761B1 (fr) 2016-01-27

Family

ID=41027055

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09779504.1A Not-in-force EP2297761B1 (fr) 2008-07-14 2009-05-19 Procédé et dispositif pour fabriquer des tubes de commutation à vide ou des ensembles de tubes de commutation à vide, et tubes de commutation à vide

Country Status (3)

Country Link
EP (1) EP2297761B1 (fr)
CN (1) CN102089845B (fr)
WO (1) WO2010006830A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112885626B (zh) * 2021-01-26 2021-11-02 杭州厚域科技有限公司 一种真空开关组件的加工方法
CN117415402B (zh) * 2023-12-19 2024-02-23 武汉飞特电气有限公司 一种利用焊接处理室制造真空开关管组件的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3926619C2 (de) * 1989-07-15 1993-11-04 Calor Emag Elektrizitaets Ag Verfahren zur herstellung einer vakuumschaltkammer
JP2941682B2 (ja) * 1994-05-12 1999-08-25 株式会社東芝 真空バルブ及びその製造方法
JP2000076965A (ja) * 1998-08-28 2000-03-14 Toshiba Fa Syst Eng Corp 真空バルブの製造方法
DE10019070A1 (de) * 2000-04-18 2001-10-25 Moeller Gmbh Vorrichtung zum Entgasen und Verlöten von vormontierten Vakuumschaltröhren

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010006830A1 *

Also Published As

Publication number Publication date
EP2297761B1 (fr) 2016-01-27
CN102089845A (zh) 2011-06-08
CN102089845B (zh) 2013-12-18
WO2010006830A1 (fr) 2010-01-21

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