PTC (Positive Temperature Coefficient) electric heater of electric automobile

The utility model relates to the technical field of PTC (Positive Temperature Coefficient) electric heaters, in particular to a PTC electric heater of an electric automobile, which comprises a fixed frame, a movable frame is arranged in front of the fixed frame, a plurality of uniformly distributed PTC heating sheets are detachably connected between the fixed frame and the movable frame, radiating fins are arranged on the left and right sides of the plurality of PTC heating sheets, and the PTC heating sheets are arranged in the fixed frame. Side plates are fixedly connected to the left sides and the right sides of the fixed frame and the movable frame correspondingly, a plurality of ash removal fans are turned on so that heating pieces and cooling fins in the heater can be blown to remove ash, the multiple ash removal fans are driven to cover the whole heater through front-back movement of the mounting plate, the ash removal effect is improved, and the ash removal range is widened. After ash removal is comple