The utility model discloses a support bar code scan's shared power, including sweeping yard device and setting up the power supply unit in the casing, it possesses the sign indicating number of sweeping for installing to sweep yard device, collect fee, send the shared power APP's of power failure function mobile communication equipment, power supply unit enjoys together electric installation for the power for the integration that possesses two -dimensional code corresponding with it and barcode label, integration sharing for the power electric installation control the terminal including take,smart electric meter, the mutual -inductor, the batch meter, wireless carrier and smart electric meter communication are passed through to expense accuse terminal, and through GPRS and power system control terminal connection, smart electric meter passes through the mutual -inductor and is connected with the power, be provided with between mutual -inductor and the power and take accuse terminal connection solenoid valve, smart electric meter is connected with the multiple selector, the multiple selector is connected with the consumer, the utility model discloses according to enjoying togetherthe bar code on the electric installation for the power, sweep the sign indicating number and send the power failure, convenient and fast has fully considered the active demand of interim power consumption, sweeps promptly and uses promptly.