DOI: 10.36347/sjet

Pages: 299-303

With the development of traffic cause, tunnel number increased year by year. At the same time, the tunnel fire accidents at home and abroad in recent years has caused a large number of casualties and property losses. The study of tunnel fire evacuation is urgent and necessary. Propose the intelligent control mode of emergency evacuation signs from the perspective of induction of personnel escape. Write a PLC program for 1 km long tunnel as an example. Simulate the emergency evacuation signs’ automatic control under the condition of tunnel fire.