Electric energy meter power failure information centralized reporting device

The invention belongs to the technical field of power grid operation and maintenance and relates to an electric energy meter power failure information centralized reporting device. The device comprises a plurality of live line connectors, a plurality of null line connectors, a plurality of timers, a plurality of electronic switches, a collection line, an MCU, a memory and a communication module; the live line connectors and the null line connectors are respectively connected with the live line connection ends and the null line connection ends of user electric energy meters; PCBs are installedin the live line connectors; the PCBs are provided with power failure detection circuits; the output ends of the plurality of power failure detection circuits are connected with the collection line through the electronic switches; the triggering ends of the timers are connected with the output ends of the power failure detection circuits; the timers output periodic square waves after being electrified and reset; the timer