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A-packaging brazing structure for magnetron

A technology of magnetron and brazing, which is applied in the field of magnetron to achieve the effect of enhancing welding strength and avoiding cracks

Inactive Publication Date: 2008-03-19
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] The technical problem to be solved by the present invention is to overcome the above-mentioned shortcoming of the existing magnetron, and provide a kind of A-sealing brazing structure of the magnetron that can improve the A-sealing welding fastness

Method used

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  • A-packaging brazing structure for magnetron
  • A-packaging brazing structure for magnetron
  • A-packaging brazing structure for magnetron

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Embodiment Construction

[0035] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0036] As shown in Figure 5 and Figure 6, the A-sealing brazing structure of the magnetron of the present embodiment is: the bottom surface of the A-ceramic part 17 is welded together with the top surface of the A-sealing 15 in a brazing manner, the described The top surface of the A-seal 15 is formed with an upwardly protruding annular double-peak rib 100 with an "M" shape in cross section, and a solder copper wire 200 is placed in the concave part of the double-peak rib 100, so that the copper wire While 200 is melting, the bottom surface of the A-ceramic part 17 and the top surface of the A-seal 15 are welded together.

[0037] On the top surface of the A-seal 15, the method of forming the ring-shaped bimodal rib 100 with an "M" shape in cross section is to use a sharp tool to carry out deep processing on the raw material, and then roll the p...

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PUM

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Abstract

The invention discloses an A-casing brazed structure of magnetic controlled tube, including an A-casing and an A-ceramic component; there is an annular double-humped ridge raised upward, formed on the top surface of the A-casing, the ridge closely contacts with the bottom surface of the A-ceramic component and is welded together with each other in a brazing mode. The section of the ridge is 'M'-shaped. The convex parts of the ridge are placed with solder copper wires. The beneficial effects: it forms double annular welding between the top surface of the A-casing and the bottom surface of the A-ceramic component, largely enhancing the weld strength and avoiding the cracking of the welded parts due to the external impact, and packing the sealing state of the magnetic controlled tube.

Description

technical field [0001] The invention relates to a magnetron, in particular to a magnetron A-sealing brazing structure. Background technique [0002] Generally speaking, a magnetron is an electronic device used in microwave ovens or lighting appliances to convert electrical energy into microwave electromagnetic energy. [0003] As shown in Figure 1 and Figure 2, the structure of the magnetron is generally: the upper yoke 1a and the lower yoke 1b are combined to form a "mouth"-shaped yoke 1, and the space surrounded by the yoke 1 is provided with copper The positive cylinder 2 made of tubes, inside the positive cylinder 2, several partitions 3 are arranged at certain intervals along the radial direction, and high-frequency resonant cavities are formed between the partitions 3, and the interior of the partitions 3 The upper and lower sides of the end are respectively provided with pressure ring grooves, and the pressure ring grooves are alternately provided with inner pressure...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J23/00
Inventor 文贤禄
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD