High-impedance ferrite magnetic core

The utility model discloses a high-impedance ferrite core, which mainly comprises a bottom plate, an outer magnetic plate, an inner magnetic ring, a thin-walled tube, a pressing plate and a shell, anannular groove is formed in the middle of the front side of the bottom plate, the inner magnetic ring is inserted in the annular groove of the bottom plate, and clamping grooves which are symmetricalup and down are formed in the front side of the bottom plate. The annular magnetic core is reasonable in structural design, the annular magnetic core is of an assembled structure, coil winding operation is convenient, production difficulty is low, device protection is tight, replacement and maintenance are convenient, when the device is used, internal heating can be rapidly diffused to the external atmosphere, stability of equipment is guaranteed, and practicability is high. 本实用新型公开了一种高阻抗铁氧体磁芯，主要包括底板、外磁板、内磁环、薄壁管、压板和外壳，所述底板前侧中部开设有环形凹槽，所述底板位于环形凹槽处插接安装有内磁环，所述底板前侧内部开设有上下对称的卡槽。本实用新型在结构上设计合理，本环形磁芯，采用装配式的结构，线圈绕线操作方便，生产难度低，装置防