Automobile spontaneous-combustion warning control circuit

The utility model relates to an automobile spontaneous-combustion warning control circuit, which belongs to the technical field of automobile spontaneous-combustion. The automobile spontaneous-combustion warning control circuit comprises a smoke sensor, a level conversion circuit, a comparator circuit, a single-chip microcomputer, an alarm apparatus, a warning lamp and a direct-current power supply. The automobile spontaneous-combustion warning control circuit is characterized in that the smoke sensor is connected with the level conversion circuit, so as to acquire a voltage signal for representing the smoke concentration value of spontaneous combustion; the level conversion circuit is electrically connected with the comparator circuit, and an output terminal of the comparator circuit is connected with the warning lamp and also connected with the single-chip microcomputer through an IO port of the single-chip microcomputer; the single-chip microcomputer is respectively connected with the alarm apparatus and a