Power saving type active electric energy meter

The utility model discloses a power saving type active electric energy meter, including the control unit, metering modules, circuit detection module, data storage module and clock module, metering modules is used for measuring the power consumption of power consumption circuit, circuit detection module includes commercial power detection module and oily electric detection module, commercial powerdetection module and oily electric detection module are used for detecting the commercial power switch -on condition and the fuel generator switch -on condition respectively, the control unit receivesthe time signal that the clock module was sent, the control unit stocks in according to the periodic data that detect metering modules of predetermined time interval data storage module and the datathat detect metering modules with data before in the data storage module are compared. The utility model discloses an electromechanical volume of power saving type active electric energy meter autonomous classification commerci