Study On Dynamic Emergency Evacuation System

The large and the complication of modern architecture which make the emergency evacuation becomes a necessary method.A goal of emergency evacuation design is to protect people in a state of emergency.However, most of the existing emergency evacuation guidance system are in the form of independence and can not play its role well in some of environment, then quite a number of people died because it can not search the direction of evacuation. Therefore, a system which can guide the evacuation route dynamically should be researched in order to guide evacuation dynamically, reduce people's evacuation time and avoid blind escaping.Nowadays, current dynamic escape guidance systems which are not consider the situation about fire risk inside of architecture and fire spreading. This paper starting with the typical evacuation of structure analysis.According to the fire risk analysis of the building, divide different fire risk areas. By means of the features of the building fires and the people injury degree, two dangerous states were determined. Based on this, fire alarm levels were divided and the patterns of the detector were selected reasonably. Then introduce the principle of the selection of fire risk points and the dynamic evacuation system, pay attention to study some typical positions of fire taking place.At last, according to FDS(Fire Dynamics Simulation) fire simulation software, decide fire spreading situation,then combinate a sample to analyze the best directions dynamically in the floor. It will increase the escaping probability and change the present situation of the fire fighting system through this method.