Planar transformer with magnetic shielding cover sheet

The utility model discloses a planar transformer with a magnetic shielding cover sheet, which belongs to the technical field of electrical engineering and is characterized in that the magnetic shielding cover is fixedly connected with a plurality of connecting columns, a sleeve is arranged below the plurality of connecting columns, one end of each connecting column is positioned in the sleeve and is in sliding connection with the sleeve, a second spring is arranged in the sleeve, and the second spring is connected with the magnetic shielding cover sheet. The magnetic field in electromagnetic induction alternately acts on the magnet sheets, so that air circulation in the magnetic shielding cover enhances the heat dissipation effect, the lower magnetic core is provided with the flow guide groove, the inner side of the PCB is provided with the notch, the lower magnetic core is provided with the flow guide groove, and the lower magnetic core is provided with the flow guide groove. The plurality of PCBs are stacke