Study on significance of safety signs in different working face scenes in coal mine

Abstract

In order to explore the significant influence of light level and auxiliary text on coal mine safety signs under different working face scenes in coal mines, we selected 6 common coal mining face scenes, and carried out eye movement experiments of safety signs with and without auxiliary text under the contrast of different light levels. The Tobii eye tracker was used to record the average pupil diameter, blink frequency and average fixation time of 35 subjects, and the SPSS19.0 software was used for experimental analysis. The results show that both the light level and the auxiliary text have a significant impact on the safety signs of coal mines. In bright light scenes, adding auxiliary text helps to improve the participants’ recognition of safety signs; there is no significant difference in the recognition degree of safety signs among the subjects under different working face scenarios.

Keywords

• working face scene
• light degree
• auxiliary text
• safety sign
• eye movement experiment