EP2297761B1 - 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 Download PDF

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Publication number
EP2297761B1
EP2297761B1 EP09779504.1A EP09779504A EP2297761B1 EP 2297761 B1 EP2297761 B1 EP 2297761B1 EP 09779504 A EP09779504 A EP 09779504A EP 2297761 B1 EP2297761 B1 EP 2297761B1
Authority
EP
European Patent Office
Prior art keywords
process chamber
vacuum
chamber
soldering
vacuum interrupter
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
EP09779504.1A
Other languages
German (de)
English (en)
Other versions
EP2297761A1 (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

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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
    • 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.
  • Such a method is for example from the EP 1 148 526 A2 known.
  • pre-assembled vacuum interrupters ie vacuum interrupters, which are composed of all components, but not yet final assembled, that are soldered vacuum-tight, transferred to a Lötreasch, which is evacuated to high vacuum.
  • the soldering process chamber After reaching the high vacuum, the soldering process chamber is heated to a soldering temperature, wherein the soldering temperature represents the temperature at which solder introduced into the preassembled vacuum interrupter at the locations to be soldered becomes liquid and a vacuum-tight soldering is formed.
  • the soldering process chamber is cooled, vented and the soldered vacuum interrupter can be removed.
  • soldering process chamber the entire temperature and pressure range of the process of environmental conditions, ie room temperature and atmospheric pressure, to high vacuum and soldering temperature passes.
  • 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.
  • the method according to the invention is therefore preheated in a pre-treatment chamber and pre-evacuated, so that under the present vacuum conditions degassing of existing at the pre-assembled vacuum interrupters or assemblies residual gases or precipitates takes place. Therefore , by subsequently transferring under vacuum conditions to a soldering process chamber in which the soldering temperature T soldering at which the solder material liquefies, it is possible to keep the soldering process chamber permanently under high vacuum conditions and in a temperature range close to the soldering temperature In particular, the soldering process chamber at no time must be exposed to ambient air and therefore has a greater purity.
  • Assemblies of vacuum interrupters in the sense of the invention means any combination 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 pretreatment 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 T 1 under low vacuum already in a first step, a large part of the gases and precipitates contained in the preassembled vacuum interrupters can be pumped or removed, so that the process time overall further reduced.
  • Such a method for producing vacuum interrupters is advantageous because for each method step at least one vacuum interrupter or assembly can be located in the process chamber associated with the respective process step, so that a clocked partial process management with multiple batches 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 must 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.
  • 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.
  • vacuum interrupters are advantageous because they are flexible and therefore inexpensive to produce with high quality due to low process times.
  • FIG. 1 shows a schematic flow diagram in an XY representation, wherein the X-axis of the process time corresponds to 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 of in corresponds to the prevailing pressure prevailing pressure chamber.
  • a loading process chamber 2 In a first time interval t 1, a loading process chamber 2 is pumped off to a pressure below the ambient pressure in the low-vacuum range and simultaneously heated to a temperature T1 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 into a heating process 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 at the same time Temperature T 2 , which is below a soldering temperature T solder , at which the material used as solder liquefies, heated. In this heating process chamber thus residual gases and precipitates are removed at the pre-assembled vacuum interrupters.
  • the heating from room temperature to T1 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 during a time interval t 3 in the LötRIShunt under high vacuum conditions to a soldering temperature T solder is heated, which is selected is that a solder introduced in the preassembled vacuum interrupters or assemblies for vacuum-tight soldering of the components together liquefies and thus forms the vacuum-tight soldering of the components together.
  • T solder cooling within the soldering process chamber is effected to a temperature below the soldering temperature T soldering .
  • the steps corresponding to the time intervals t 1 to t 4 of the method according to the invention thus take place in the time intervals t 1 to t 4 as follows: the heating of the vacuum interrupter to a temperature above the ambient temperature in the interval t 1 , the step of heating to a temperature T 2 below the soldering temperature in the interval t 2 and the step of heating to a temperature T solder according to the soldering temperature in the interval t 3 , wherein further the step of evacuating the loading process chamber takes place in a low vacuum in the interval t 1 , 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 is designed like a carousel in the embodiment and a transfer 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 allows by lowering and raising a receiving unit 6, which with at least one vacuum interrupter 7 or assembly, in the embodiment of the FIG. 2 a plurality of vacuum interrupters 7 is provided with reference to with reference to FIG. 1 described vacuum and temperature conditions an introduction into the respective process chambers along the dashed line is possible.
  • the loading / aeration process chamber 2, the heating process chamber 3, the soldering process chamber 4 and the Abkühlvonsch 5 are arranged above the transfer unit 1 and connected by suitable Vakuumschieber- and lock systems (figuratively not shown) with this, so that by lowering and raising the receiving unit. 6 a transfer is possible.
  • the transfer unit is carousel-shaped, so that the loading and venting process chambers 2 are formed by one and the same process chamber and are 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

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

Claims (9)

  1. Procédé de fabrication de tubes ( 7 ) de commutation à vide ou de modules de tube de commutation à vide par une chambre ( 4 ) de processus de brasage, dans lequel
    a) on introduit et chauffe au préalable et on met sous vide au préalable au moins un tube ( 7 ) de commutation à vide ou un module monté au préalable dans une chambre ( 2, 3 ) de traitement préalable montée avant la chambre ( 4 ) de processus de brasage,
    b) on transfère le tube ( 7 ) de commutation à vide ou le module traité au préalable dans la chambre ( 4 ) de processus de brasage et on le porte sous vide poussé à une température ( TLÖT ) de brasage et ensuite,
    c) on transporte le tube ( 7 ) de commutation à vide ou le module brasé et mis sous vide dans une chambre ( 5 ) de processus de refroidissement et on l'y refroidit,
    dans lequel on effectue le transfert et le transport du tube de commutation à vide ou du module dans des conditions de vide.
  2. Procédé suivant la revendication 1,
    caractérisé en ce que
    on introduit le au moins un tube ( 7 ) de commutation à vide ou le module monté au préalable d'abord dans une chambre ( 2 ) de processus de charge de la chambre ( 2, 3 ) de traitement préalable et on le porte sous un vide peu poussé à une température ( T1 ) supérieure à la température ambiante et ensuite on le transporte dans des conditions de vide poussé dans une chambre ( 3 ) de processus de chauffage de la chambre ( 2, 3 ) de prétraitement, et on le porte sous vide poussé à une température inférieure à la température ( T2 ) de brasage.
  3. Procédé suivant la revendication 1 ou 2,
    caractérisé en ce que
    après le refroidissement du au moins un tube ( 7 ) de commutation à vide ou de module dans la chambre ( 5 ) de processus de refroidissement, on effectue un autre transfert dans une chambre d'aération.
  4. Procédé suivant l'une des revendication 1 à 3,
    caractérisé en ce que
    les intervalles ( t1, t2, t3, t4 ) de temps d'un stade du procédé dans la chambre ( 2, 3 ) de traitement préalable, dans la chambre ( 4 ) de processus de brasage, dans la chambre ( 5 ) du processus de refroidissement et dans la chambre d'aération sont égaux.
  5. Tube de commutation à vide ou module,
    caractérisé en ce que
    le tube de commutation à vide ou le module est fabriqué par un procédé suivant l'une des revendications 1 à 4.
  6. Dispositif pour effectuer le procédé suivant l'une des revendications 1 à 4, comprenant
    - une chambre ( 2, 3 ) de traitement préalable montée avant une chambre ( 4 ) de traitement de brasage pour chauffer au préalable et mettre sous vide au préalable au moins un tube ( 7 ) de commutation à vide monté au préalable ;
    - une chambre ( 5 ) de processus de refroidissement montée en aval de la chambre ( 4 ) de processus de brasage pour refroidir le tube ( 7 ) de commutation à vide à la température ambiante et
    au moins une unité de transfert pour transférer ou transporter le tube ( 7 ) de commutation à vide dans des conditions de vide.
  7. Dispositif suivant la revendication 6,
    caractérisé en ce que
    la chambre ( 2, 3 ) de traitement préalable a une chambre ( 2 ) de processus de chargement sous vide peu poussé et une chambre ( 3 ) de processus de chauffage sous vide poussé.
  8. Dispositif suivant l'une des revendication 6 ou 7,
    caractérisé en ce que
    une chambre ( 2 ) de processus d'aération est montée après la chambre ( 5 ) de processus de refroidissement.
  9. Dispositif suivant la revendication 8,
    caractérisé en ce que
    la chambre ( 2 ) de processus de chargement et la chambre ( 2 ) de processus d'aération sont formées par une seule et même chambre ( 2 ), l'unité ( 7 ) de transfert étant constituée en état de type à carrousel.
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 EP2297761A1 (fr) 2011-03-23
EP2297761B1 true EP2297761B1 (fr) 2016-01-27

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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

Also Published As

Publication number Publication date
WO2010006830A1 (fr) 2010-01-21
CN102089845B (zh) 2013-12-18
CN102089845A (zh) 2011-06-08
EP2297761A1 (fr) 2011-03-23

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