Multifunction electronic displayer for box-type transformer and ring main unit

A multifunction electronic displayer for a box-type transformer and a ring main unit at least comprises a single-chip microcomputer, a DS1302 clock module, a Hall sensor 1, a Hall sensor 2, a VD5027 coding module, an HS0038 infrared receiver module and an LED display module. The Hall sensor 1, the Hall sensor 2, the VD5027 coding module, and the LED display module are in control connection with the single-chip microcomputer; and the HS0038 infrared receiver module is connected with the VD5027 coding module. The multifunction electronic displayer for the box-type transformer and the ring main unit can circularly display warning labels reading "electricity, dangerous", serial numbers, administrative units, and telephone numbers of administrative units of the transformer and the ring main unit, and can display connection mode and running state of a switchgear accurately through button selection.