The method to acquire the mine shaft coal bin coal level image

Abstract：Based on a method of a assistance photosource, a basic method of coal level detection on the mine shaft coal bin is put foruard.By introducing examination principle to acquire the coal level image, then we have given the establishment and the choice definition condition of the assistance photosource and the CCD camera are given.Through the theoretical analysis and the computation the frame of assistance photosource and the CCD camera are determined, which offer a foundation to image acquisition.The results indicated that according to these definition condition choice and establishment of the photosource and the CCD camera, it shows that may acquire coal level image effectively.

Keyword：coal level detection;camera;photosource;