Power supply system for poisoning event on-site disposal portable operation platform

The utility model discloses a power supply system for a poisoning event on-site disposal portable operation platform. The power supply system comprises an alternating current dual power source automatic switching circuit used for supplying electricity to an information interface which is then used for supplying electricity to a load, the alternating current dual power source automatic switching circuit is provided with an alternating current electric leakage protection circuit, the alternating current dual power source automatic switching circuit also supplies electricity to a platform main supporting leg automatic control device through an AC/DC circuit, one path of an input end of the alternating current dual power source automatic switching circuit is connected to a mains supply interface provided with a detection circuit while the other path is connected with an inversion power source of which electricity is supplied by the dual power source automatic switching circuit, and one path of an input end of the dual power source automatic switching circuit is connected to a battery cabin provided with a battery detection circuit while the other path is connected to an automobile electric generator through a DC/DC direct current converting circuit. The utility model provides the power supply system to the portable operation platform which is stable and reliable in work and provided with a plurality kinds of standby power sources, and continuous power supply can be ensured in an adverse operation environment through three power supply sources.