Based on a method of a assistance photosource, a basic method of coal level detection on the mine shaft coal bin is put foruard.

基于一种辅助光源照射方法，提出对井下煤仓煤位进行检测的基本方法。

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Mainly based on flow velocity slow and liquid static detection, research and design the liquid-level detection sensor can be used to coal mine.

本文主要是针对于流速慢或者静止状态下检测情况，研究一款能用于煤矿井下的液位检测传感器。

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