Research and design of space structure of embedded safety evacuation signs

doi:10.16265/j.cnki.issn1003-3033.2022.10.1797

Abstract

Abstract:

In order to improve visual appeal of embedded safety evacuation signs， a simulation test of their spatial direction information transmission efficiency was conducted. Influence of their different spatial angles on subjects' choice response time， expected choice conformity and choice confidence was analyzed， and verified through fire drills to get the optimal space angle. Finally， a kind of spatial three-dimensional embedded safety evacuation signs was designed according to research results. The results show that generally the larger the spatial angle is， the larger the visible area there will be， the shorter the choice response time and the higher the expected choice conformity and choice confidence will be. When the angle is 5°， spatial direction information transmission efficiency is the strongest， with the average escape time of participants being the shortest， and proportion of choosing unfamiliar exits increases. The embedded safety evacuation sign with a spatial three-dimensional structure can effectively improve efficiency of fire emergency evacuation.

Key words: embedded, safety evacuation sign, space structure, space direction information, transmission efficiency

FAN Ruiwen, DAI Zhangyin, ZHOU Hui, TIAN Shixiang, JI Tao. Research and design of space structure of embedded safety evacuation signs[J]. China Safety Science Journal, 2022, 32(10): 193-200.

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空间角度/（°）	0	3	5	10
可视面积区间/mm²	0~1 927	101~2 028	168~2 094	335~2 247
可视面积比	1	1.052 4	1.086 7	1.166 1

空间角度/（°）	逃生时间/s	1号出口	2号出口	3号出口	4号出口	总和	总体均值
0	和	716.54	127.26	0	349.95	1193.75	—
	人数	27	8	0	16	51	—
	均值	26.538 5	14.14	0	21.871 8	—	23.406 8
5	和	469.97	350.8	9.28	252.32	1082.37	—
	人数	25	9	2	20	56	—
	均值	18.798 8	38.978	4.64	12.616	—	19.328