Safety protector for automobile

A safety protector for automobiles is characterized in that a lead 2 which connects a lighting switch 1 and an automobile power supply is in turn in serial connection with a normally closed relay 3, a power supply switch 4, normally open relays 5, 6 and a main contactor 7. The other end of the main contactor 7 is earthed, a microwave detector 11 is in parallel connection between the power supply switch and the normally open relay 5, the microwave detector 11 is in serial connection with the main contactor 10 and then is earthed, a time relay 9 and the main contactor 8 are connected between the normally open relays 5, 6 in parallel, the other ends of the time relay 9 and the main contactor 8 are earthed; a loop formed by a normally open relay 12, a limited switch 13, a starting motor 14, a limited switch 15 and a normally open relay 16 which are in series connected by is connected in parallel between the time relay 9 and the main contactor 8. The utility model which does not influence the prior normal functions of automobile can help a driver automatic flameout and automatic brake instantly in case of emergency, thereby effectively avoiding traffic accidents.