The invention belongs to the field of vacuum electronic devices, and particularly provides a miniaturized magnetron structure. According to the present invention, a neodymium iron boron or samarium cobalt permanent magnet material placed on an external support of a magnetron is adopted to replace an original ferrite magnetic ring so as to ensure the magnetic field intensity in an interaction space. The ferrite magnetic ring is not needed in the magnetron structure, and a neodymium iron boron or samarium cobalt permanent magnet is placed on the external support of the magnetron, so that the height and the width of the magnetron can be greatly reduced, and the magnetron structure is cuboid-shaped and can be matched with the shapes and the structures of the cooling fins and a filtering assembly synchronously, especially the filtering assembly. According to the invention, the output of an original same-direction choking coil from one end is improved into the output of a heterodromous choking coil from the left end and the right end, so that the miniaturized magnetron structure can stably work while being matched with a magnetic circuit structure. In conclusion, the invention provides the novel magnetron structure, and the miniaturization design of the magnetron structure is further realized.

Miniaturized magnetron structure

The utility model discloses a choke coil for an electromagnetic oven. The choke coil comprises a magnetic core and a winding coil, and the winding coil comprises a main body and a connection terminal, wherein the magnetic core is formed by pressing and molding powder magnetic materials and the main body is enwrapped by the magnetic core, and the connection terminal is arranged outside the magnetic core. The utility model also provides an electromagnetic oven main loop circuit of the choke coil for the electromagnetic oven. The appearance quality of the choke coil for the electromagnetic oven, and the anti-interference ability and power factor of the electromagnetic oven are improved, and the operation stability of the electromagnetic oven is reinforced.

Choke coil for electromagnetic oven and electromagnetic oven main loop circuit

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Choke coil for electromagnetic oven and electromagnetic oven main loop circuit