Intelligent turn-off protection system for automobile

The utility model discloses an intelligent turn-off protection system for an automobile. The intelligent turn-off protection system comprises a signal acquisition and conversion circuit, a signal controller and a turn-off control circuit, the signal acquisition and conversion circuit is used for acquiring signals of an automobile lamp and an ignition switch, performing voltage reduction processing on the signals and then sending the signals to the signal controller; the signal controller is used for receiving output voltage signals of the automobile lamp and the ignition switch and judging whether the light-out control circuit is driven or not according to the output voltage combination of the automobile lamp and the ignition switch; the turn-off control circuit is used for controlling turn-off of automobile lamps; the system adopts the single-chip microcomputer to monitor the states of the vehicle lamp and the ignition switch, and has the characteristics of accurate judgment and reliable work; meanwhile, the