COAL ENGINEERING ›› 2015, Vol. 47 ›› Issue (5): 122-124.doi: 10.11799/ce201505039

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A Study on Illumination and Drilling Worker Efficiency in Coal Mine

  

  • Received:2014-04-29 Revised:2014-06-07 Online:2015-05-11 Published:2015-05-20

Abstract: Changes in lighting conditions will affect the work efficiency of sub-surface mining. This paper analyzes the mean of minimum illumination level for the coal mine drilling workers and determines the value of optimum lighting level by experiment; through the LED multi-light-source theoretical analysis and the TracePro numerical simulation analysis, it finally determines the optimized number of the LED miner cap lamp bulbs and their arrangement, providing reference for the miner cap lamp design.

Key words: illumination level, illuminance value, working efficiency, drilling workers

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