High-reliability welding structure and welding method for collector lead of radiant cooling type space traveling wave tube
A welding structure and collector technology, applied in welding equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of large deformation of silicone rubber and easy failure, mechanical test stress damage, narrow operating space, etc., to overcome the welding operating space Small size, prevent solder joint desoldering, and convenient operation
Active Publication Date: 2021-05-07
NANJING SANLE GROUP
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Problems solved by technology
Using laser welding can overcome the problem of narrow welding operation space; using mechanical pre-fixing method can solve the problem of stress damage in mechanical tests; The problem of large variables and easy failure
Method used
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Embodiment 1
[0025]Such asFigure 1 to 3As shown, a radihydry type spatial wave tube collects highly reliable welding structure, which includes
[0026]Collecting pole rear cover 1, porcelain column sealing ring 2, insulating porcelain column 3, silicone rubber tube 4, porcelain column sealing joint 5, welding cap 6, weld head 7, high voltage lead 8, silicone rubber 9 and high pressure lead nickel wire 10 ;
[0027]The insulating porcelain column 3 is welded to the collecting pole rear cover 1 through the porcelain column sealing ring 2, and the insulating porcelain pillar 3 is welded to the porcelain column joint 5, and the high pressure leads the nickel wire 10 through the insulating porcelain column 3 and The porcelain column sealing joint 5 is welded to the porcelain column sealing joint 5; the porcelain column sealing joint 5 and the welded cap 6 are soldered by brazing; the high voltage lead 8 is fastened to weld head 7, and high voltage leads 8 The conductor core and the weld head 7 are soldered...
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The invention discloses a high-reliability welding structure and welding method for a collector lead of a radiant cooling type space traveling wave tube. The high-reliability welding structure comprises a collector rear cover (1), a knob insulator sealing ring (2), an insulating knob insulator (3), a silicon rubber tube (4), a knob insulator sealing head (5), a welding cap (6), a welding head (7), a high-voltage lead (8), silicon rubber (9) and a high-voltage lead-out nickel wire (10). The welding structure has the advantages of being simple in structure, convenient to operate and high in reliability. According to the welding method, three connecting methods of mechanical fixing, tin soldering and laser welding are comprehensively used, a local encapsulation insulation method is used, and the problem that the welding operation space is narrow can be solved through laser welding; the problem of stress damage in a mechanical test can be solved by using the mechanical pre-fixing method; and high-temperature soldering tin soldering and silicone rubber local encapsulation are used, so that the problems that welding spots are unsoldered, and silicone rubber is large in deformation quantity and prone to failing in high and low temperature environments are avoided.
Description
Technical field[0001]The present invention relates to a spatial traveling wave tube collecting pole lead, and specifically, a highly reliable welding structure of a radihydry type spatial wave tube and its welding method thereof.Background technique[0002]The high-voltage lead wire connected to the spatial wave tube collecting pole is the only interface of the traveling wave tube collection. The failure of collecting polar leads directly causes the rowless wave tube collection to be powered off, and the linear wave pipe collecting electrode receives the loss of electronic capacity, and immediately forms a large return (screwing) so that the row wave tube screw is overflow and cannot be powered.[0003]The radiocid spatial wave pipe collecting pole lead welding portion is located inside the heat radiator, the welding operation is small; the lead solder joint needs to withstand the mechanical environment test stress and the temperature environment; the lead solder joint position is 6kV H...
Claims
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Login to View More IPC IPC(8): B23K28/02
CPCB23K28/02
Inventor 陈平吕雪宋泽淳成红霞刘逸群
Owner NANJING SANLE GROUP