| 摘要 |
The purpose of the present invention is to enhance the precision of quality discrimination of a grain G by a grain quality discrimination device. The present invention is provided with an optical unit 3 for radiating light to a grain G, receiving reflected light and/or transmitted light from the grain G through use of a light receiving sensor and obtaining information for quality measurement from a surface side and a back side of the grain G, and a quality discrimination unit 7 for discriminating the quality of the grain G on the basis of the information. The precision of quality discrimination of the grain G is enhanced by configuring the present invention so that the surface-side information and the back-side information are obtained simultaneously by a single optical unit 3, preventing misalignment of acquired information due to movement of the grain G or a change in the orientation thereof, removing a reference plate for correcting the information from the movement path of the grain to prevent contamination or damage, thereby preventing corruption of the information, and by also taking such measures as providing a special reference plate for lateral-face information of the grain G to increase the precision of the lateral-face information. |
