Dual-power system of new energy dust removal trolley working device

The utility model provides a dual-power-supply system of a new energy dedusting trolley working device. The dual-power-supply system comprises an alternating current power supply loop, a direct current power supply loop, a DC/AC direct current charging module, a DC/AC inverter, a dual-power-supply switching module, a battery management module, a power supply monitoring module and a main control module. The alternating current power supply loop is connected with the DC/AC direct current charging module, the dual-power switching module and the dust removal trolley working device; the DC power supply loop is connected with the DC/AC inverter module and the dual-power switching module; the DC/AC inverter module is connected with the dust removal trolley working device; the two power supply monitoring modules are respectively connected with the alternating current power supply loop and the direct current power supply loop and are used for detecting the power-on or power-off conditions of the alternating current po