• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    1504666 Vacuum switches MEIDENSHA KK and GEMVAC KK 5 March 1976 [22 March 1975 (2)] 08944/76 Heading H1N A method of constructing a vacuum switch comprises fixing disc-shaped upper and lower end plates 14, 16 made of Fe-Ni alloy of Fe- Ni-Co alloy, on to a cylindrical insulating envelope 10 made of ceramics by means of a first brazing material 50 which is a copper or gold alloy not containing silver, mounting a bellows 22 made of Fe-Cr alloy on the lower end plate 16 by means of the first brazing material, supporting a movable contact rod 27 made of copper at the free upper end 22a of the bellows by means of the first brazing material 50, and fixing an arc shield 30 to the lower end plate 16 by means of the first brazing material, heating of these pieces of first brazing material at a temperature of between 950‹ C. and 1000‹ C. in a pressure of less than 10<SP>-6</SP> Torr being carried out simultaneously at a first construction step, afterwards mounting a movable and a fixed contact, made of silver or copper alloy, on the movable contact rod and a fixed contact rod 23 respectively by means of a second brazing material whose melting point is lower than that of the first brazing material, and heating these pieces of second brazing material at a temperature of between 600‹ C. and 900‹ C. at a pressure of less than 10<SP>-6</SP> Torr simultaneously at a second construction step. The second brazing material maybe copper or silver alloy. In a second embodiment the fixed contact rod 23 where it passes through the main end plateis brazed by the second brazing material to an auxiliary end plate itself brazed to the main end plate by the first brazing material, Fig. 6, not shown. The arc shield may be of iron, nickel, Fe-Ni alloy, Fe-Cr alloy or ceramics. The fixed contact fits on to the fixed contact rod by means of an arrangement of projections and grooves, Fig. 2, not shown. The first brazing material may also include Mn and Ni.
    公开号:SU1080765A3
    申请号:SU762336151
    申请日:1976-03-22
    公开日:1984-03-15
    发明作者:Сакума Синзо
    申请人:Кабусики Кайся Мейденся (Фирма)；
    IPC主号:
    专利说明:

    The present invention relates to a method for manufacturing a vacuum arc chamber. A known method of manufacturing a vacuum smart arc chamber, according to which, prior to welding or soldering the structural elements of a vacuum arc chamber, each must be exposed to hydrogen to exclude oxygen from it. 1J In a well known method, the cylindrical insulating sheath is made of ceramic ceramics, the ends of which are metallized, connected to metal end plates of jelly zonickel or iron-nickel-cobalt alloy, having the same coefficient of thermal expansion with the shell and holes in the lower end plate are inserted into the hole of the lower end plate of a bellows made of a ferrochromic alloy, the upper end of which is fitted with a movable contact copper rod with a temperature range and at its upper end is placed under the lower contact of copper alloy into the hole of the upper the end plate inserts a non-attached contact copper rod and at its upper end a fixed contact made of copper alloy is placed, after which solid solder is inserted between all the connected elements of the chamber The chamber is also heated under reduced pressure. The purpose of the invention is to simplify the manufacturing technology of a coaxial arcing chamber with high quality of the paired products due to the fabrication of the camera in one stage. The goal is achieved in that according to the method of manufacturing a vacuum chamber of an extinguishing chamber, in which a cylindrical insulating sheath made of ceramics, the ends of which are metallized, is connected to metal front plates of zinc or nickel-cobalt-alloyed metal, having the same thermal expansion coefficient with shell and provided with holes in the center; a bellows made of a ferrochromic alloy is inserted into the hole of the bottom end plate; A movable contact is made of a copper alloy, a stationary contact 65 copper rod is inserted into the hole of the upper end plate and a fixed contact made of copper alloy is placed on its upper end, after which a solid solder is inserted between all connected elements of the chamber and chambers under reduced pressure, to simplify the technology by fabricating the chamber in one stage with high quality of solder joints, an alloy of gold or copper containing no silver is used as a solid solder and heating tvl dissolved to temperature 950-1000 C at a pressure of less than Yu -Ip Torr. The operation of inserting a brazing plate on the lower end plate establishes a screen that surrounds the contacts. The screen is made of iron, nickel, iron-nickel alloys, iron-chrome. FIG. 1 shows schematically a vacuum arc extinguishing chamber (chopper), a longitudinal section; in fig. 2 is a fixed electrical contact mounted on the one shown in FIG. one ; fixed contact rod, partial longitudinal section; in fig. 3 vacuum bath power breaker; in fig. 4 is a diagram illustrating a characteristic of the temperature material of the soldering of each part of the vacuum power chopper. The vacuum power converter contains a vacuum flask consisting of a cylindrical insulating body 1 and a pair of disc-shaped, upper and lower end caps 2 and 3, with which the insulating body 1 is firmly and hermetically connected by matching ends forming part of the insulating body 1. At both ends of the body I formed a metallized area 4 containing a metal selected for hermetic brazing under vacuum. The connecting section 5 formed around the periphery of the disc-shaped upper face grip 2, contains 3 bent perpendicular to the surface of the top face bushing, and a horizontal bent section 7. A solid solder is applied between the connecting piece 5 and the metallized section 4 on the upper end of the insulating body 1 8, which contains an alloy of Cu or alloy of Au and does not contain an alloy of Ag. The connecting section 9 formed along the periphery of the disk lower end lid 3 contains a section 10 bent off endikul angles to the surface of the lower end member 3, and the horizontal bent portion I 1
    A solid solder 8 is laid between the connecting section 9 and the metallized section 4 on the lower end of the insulating body 1. The upper end cover 2 of the vacuum flask has a central opening 12 through which a fixed contact rod passes into the vacuum flask, at its lower end is fixed electrical contact 13 through solid solder 8. A fixed contact rod 14 consists of an upper vertical part 15 and a lower vertical part 16, the diameter of which is smaller than that of the upper vertical part 15. Between c ntralnym hole 12 of the upper end face kvysh-. 2, a solid solder 8 is laid by the lower codec of the upper vertical part 15 and the upper end of the lower vertical part I6. As for the connection between the fixed contact rod 14 and the fixed electrical contact 13, as shown in FIG. 2, the lower end of the lower vertical part 16 is provided with a pair of protrusions 17 extending obliquely downward, and the upper surface of the fixed electrical contact 13 is provided with an annular groove 18. The shape of the protrusions 17 is not limited to the above option. The bottom end cap 3 of the vacuum flask is provided with a central opening 19 through which a movable contact rod 20 passes through the flask. This rod 20 is in line with the fixed contact rod 14 and carries at its upper end a movable electrical contact 21. The movable contact rod 20 consists of the upper vertical part 22, which includes the first vertical part 23 and the second vertical part 24, the diameter of which is larger than that of the first part, and the lower vertical part 5, in the upper part 22 A movable electrical contact 21 is provided by means of a hard solder for vacuum soldering. The movable contact rod 20 is electrically connected to a vacuum interrupter lead and a mechanical driving element of a control mechanism (not shown), usually located below the interrupter. Thus, the movable contact rod 20 can be actuated by a control mechanism, for the purpose of axial movement in and out of the fixed contact rod 14 in order to establish or interrupt the electrical connection between the movable electric cop. tact 21 and a fixed electrical contact 13 on the movable and stationary contact rods x 20 and 14, respectively. The central hole 19 in the bottom end cap 3 of the vacuum flask is sealed by means of a metal bellows 26 connected between the bottom end cap 13 and a movable contact rod 20. The bottom end 27 of the bellows 26 is fixed in the recess 28 in the bottom end cap 3 by means of a solid solo 8. Top end 29 the bellows 26 is attached to the upper end of the lower vertical part 23 of the movable contact rod 20 by means of a solid solder 8. On the bottom end cover 3 a cup-shaped arc exchanger-shield 30, n is fixed ednaznachenny to prevent exposure to the plasma arc generated between the movable electrical contact 21 and the stationary electrical contact 13 by moving the movable contact rod 20 in the direction from not .podvizhnogo contact rod 14. The lower end 31, 30 is attached to E14rana hzgibu 32 by solder 8.
    As for the material of each part of the vacuum device, the insulating body 1 is made of ceramic, the main component of which is. is AljO, and the rest is glass material, such as MpO, MgO, Si Ojj, having a Ps1yk temperature range from 600 to about 1000 ° C, as shown in FIG. 4 b. The metallized area 4 on the ends of the insulating body 1 is made of an alloy of metals, obtained by adding Mo or Mn to the applied material, such as Ti. Upper end cap 2 and lower end cap 3 are made of Fe-Ni alloy or Fe-Ni-Co alloy, the thermal expansion coefficient of which is almost the same as that of the insulating body 1 (namely, the thermal expansion coefficient of the Fe-Ni alloy or GeNi alloy Co is 12.5 x 10 / C, and ceramics (i) is 8.6 X), and the soldering temperature range is from 600 to about 1200 s, as shown in FIG. 4a. The fixed contact rod 1.4 and the movable contact rod 20 are made of Cu having a soldering temperature range of 600 to about 1000 ° C, as shown in FIG. la. The screen 30 can be made of any material: Fe, Ni, Fe-Ni, Cu, and ceramics, but only one example of the material of the arc panel 30, namely Fe-Ni, with a temperature interval of vacuum soldering from 600 to approximately 1200 C is shown in fig, 4e. The bellows 26 is made of Fe-Cr alloy with a temperature interval of vacuum soldering from 900 to. fitting 1200 C, as shown in FIG. 4c. A fixed electrical contact 13 and a movable electrical contact 21 are made of a Cu alloy with a temperature range of vacuum soldering from 600 to about, as shown in FIG. 4e. Regarding the choice of the most appropriate solder for vacuum soldering in the manufacture of a vacuum interrupter by single-stage soldering of all its parts, solder is suitable that contains a material having a high melting point, such as Cu alloy or CignaB Au, and does not contain Ag alloy. From the point of view of the temperature range of soldering, in order to solder all parts at the same time, the temperature intervals of soldering all parts should overlap each other, i.e. it is necessary that a suitable and temperature range for soldering should find a SI between 900 and approximately. The preferred actual temperature range of soldering is between 950 and 10 (and in Fig. 4 is indicated by the letter N. The method of making a vacuum power chopper in the first embodiment is described below with reference to Fig. D3. For ease of removing solder 8 for vacuum soldering Fig. 3 is not shown. The assembly (see Fig. 3) of the vacuum power chopper includes the following from the radio. Placement of end caps 2 and 3 on the ends of the isolating housing 1 through solid cripo 8, installation of the bellows 26 in the central lower torus the cover 3 through the solder 8, installation based on the upper end of the bellows 26 of the movable contact rod 20 through the solder 8, the installation of the movable electrical contact 21 on the upper end of the movable contact rod 20 through the solder 8, the installation of the fixed contact rod 14 in the hole 12 upper face joint 2 through solid solder 8 for vacuum soldering, connecting fixed electric con. the contact 13 to the lower end of the fixed contact rod through solid solder 8 and the installation of the arc-suppressor 30 on the bottom end cover 3 through the solder. B, Next, perform the following operations. Heating the solid solder .8 laid between the pre-assembled parts at a soldering temperature between 950 and, at the same time, creating a discharge at a pressure less than (mm Hg) and evacuating gases. released by heating from all parts of the vacuum chopper. As a result of the melting of the solid solder laid between the parts, the corresponding parts of the socket are firmly and hermetically sealed to each other.
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    权利要求:
    Claims (3)
    [1]
    1. METHOD FOR MANUFACTURING A VACUUM ARC CHAMBER, in which a cylindrical insulating shell made of ceramic, the ends of which are metallized, is connected to metal end plates made of iron-nickel or iron-nickel-cobalt alloy having the same coefficient of thermal expansion in the center and the shell and , j "the hole of the lower end plate is inserted a bellows made of jade chrome alloy, on the upper end of which a movable contact copper with the rod and a movable contact made of copper alloy is placed at its upper end, a fixed contact copper rod is inserted into the hole of the upper end plate, and a fixed contact from copper alloy is placed at its upper end, after which solder is inserted between all the connecting elements of the chamber and the chamber is heated when reduced pressure, characterized in that, in order to simplify the technology due to the manufacture of the camera in one stage with high quality soldered joints, they use lava based on gold, or copper, and heating is performed until the temperature 950-1000 ° ^ C, at a pressure less than what 10 -10 · * ® Torr.
    [2]
    2. The method of pop. 1, characterized in that before the operation of inserting solder on the lower end plate, a screen is installed that surrounds the contacts.
    [3]
    3. The method of pop. 1, characterized in that the screen is made of iron, nickel, iron-nickel alloys, iron-chromium.
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    EP0200465A2|1986-11-05|Vacuum devices
    同族专利:
    公开号 | 公开日
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
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    US3355564A|1966-06-03|1967-11-28|John W Ranheim|Vacuum-type circuit interrupter|
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    US3674958A|1970-11-23|1972-07-04|Allis Chalmers Mfg Co|Vacuum circuit interrupter|
    DE2058020A1|1970-11-25|1972-05-31|Siemens Ag|Vacuum switch housing|US4349145A|1979-07-13|1982-09-14|Kennecott Corporation|Method for brazing a surface of an age hardened chrome copper member|
    JPS6245654B2|1980-05-06|1987-09-28|Meidensha Electric Mfg Co Ltd|
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    JPS5717527A|1980-07-07|1982-01-29|Meidensha Electric Mfg Co Ltd|Vacuum breaker|
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    US4408107A|1981-06-24|1983-10-04|Kabushiki Kaisha Meidensha|Vacuum interrupter|
    US4499349A|1981-11-20|1985-02-12|Kabushiki Kaisha Meidensha|Vacuum interrupter|
    US4513186A|1982-12-22|1985-04-23|Westinghouse Electric Corp.|Vacuum interrupter contact structure and method of fabrication|
    JPH0542089B2|1983-05-20|1993-06-25|Meidensha Electric Mfg Co Ltd|
    DE8320343U1|1983-07-14|1986-01-23|Siemens AG, 1000 Berlin und 8000 München|Housing of a vacuum interrupter|
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    DE3926619C2|1989-07-15|1993-11-04|Calor Emag Elektrizitaets Ag|METHOD FOR PRODUCING A VACUUM SWITCHING CHAMBER|
    DE3931774C2|1989-09-23|1992-02-06|Calor-Emag Elektrizitaets Ag, 4030 Ratingen, De|
    DE4214550A1|1992-04-29|1993-11-04|Siemens Ag|VACUUM SWITCH TUBES|
    TW264530B|1993-12-24|1995-12-01|Hitachi Seisakusyo Kk|
    FR2808117B1|2000-03-31|2003-01-24|Schneider Electric Ind Sa|ELECTRICAL SWITCHING APPARATUS COMPRISING A VACUUM BULB AND A FLEXIBLE ELECTRICAL CONNECTION|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    JP3516875A|JPS5628329B2|1975-03-22|1975-03-22|
    JP3516675A|JPS51109477A|1975-03-22|1975-03-22|Shinkukaiheikino seizohoho|
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