公开(公告)号：US20030197471A1

公开(公告)日：2003-10-23

申请号：US10372272

申请日：2003-02-25

Applicant: LG Electronics Inc.

Inventor： Yong Soo Lee ,  Jong Soo Lee

IPC: H01J025/587

CPC classification number: H01J23/005 ,  H01J25/50

Abstract: Magnetron including a cylindrical anode having a resonant space formed therein and a cathode fitted therein, magnets fitted to upper and lower sides of the anode, a yoke fitted on outsides of the anode and the magnets to form a closed circuit, and cooling devices including a main cooling device to form a heat discharge path from the anode, and a supplementary cooling device to form a heat discharge path from the magnet direct or indirectly, wherein the main cooling device is an anode heat conductor having one end closely fitted to an outside surface of the anode, and the other end passed to the yoke and exposed to an external air, and the supplementary cooling device includes a magnet heat conductor closely fitted to an outside surface of the magnet, the magnet heat conductor having one side in contact with the outside case of the magnetron, or a yoke heat conductor closely fitted to an outside surface of a yoke plate, the yoke heat conductor having one side in contact with the outside case of the magnetron.

Abstract translation: 磁控管包括其中形成有谐振空间的圆柱形阳极和装配在其中的阴极，安装在阳极的上侧和下侧的磁体，安装在阳极外侧的磁轭和磁体以形成闭合电路，以及包括 主冷却装置，从阳极形成放热路径，以及辅助冷却装置，以直接或间接地从磁体形成放热路径，其中主冷却装置是具有一端紧密配合到外表面的阳极导热体 的阳极，另一端通过磁轭暴露于外部空气，辅助冷却装置包括与磁体的外表面紧密配合的磁体导热体，所述磁体导热体的一侧与 磁控管的外部壳体或与轭板的外表面紧密配合的磁轭导热体，轭体热导体具有与外部接触的一侧 磁控管的情况。