Intelligent wading protection system for automobile engine

The invention relates to an intelligent wading protection system for an automobile engine; the system comprises a single-chip microcomputer circuit unit, a single-chip microcomputer signal input unit and a single-chip microcomputer control unit, the single-chip microcomputer circuit unit comprises a single-chip microcomputer U1, a power circuit, a downloader P2 and an oscillating circuit, and the single-chip microcomputer signal input unit comprises a water level sensor L1 and a water level sensor L2. The single-chip microcomputer control unit comprises a Bluetooth module P1, an ignition control circuit and a starting control circuit. The two water level sensors are additionally arranged to monitor the fording depth of the automobile, a water level signal is received and processed through the single-chip microcomputer, when the water level reaches the monitoring height of the water level sensor L1, the system sends an alarm signal to a mobile phone of a driver for reminding, and when the water level further r