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OPTICAL GRAIN EVALUATION DEVICE AND COMBINE HARVESTER PROVIDED WITH OPTICAL GRAIN EVALUATION DEVICE
OPTICAL GRAIN EVALUATION DEVICE AND COMBINE HARVESTER PROVIDED WITH OPTICAL GRAIN EVALUATION DEVICE
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机译:光学谷物评估装置和具有该光学谷物评估装置的组合收割机
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摘要
An optical grain evaluation device is provided with: a light-projecting part 58 through which light from a light source is projected to grain; a light-receiving part 59 on which light transmitted through the grain is incident; a grain evaluation unit 60 configured to evaluate the grain based on information relating to the received light; and a shielding part SH that separates an area between the light source 50 and the light-projecting part 59 from an area between the light-receiving part 59 and the grain evaluation unit 60, and prevents light from the light-projecting part 58 from directly entering the light-receiving part 59. The area between the light source 50 and the light-projecting part 58, and the area between the light-receiving part 59 and the grain evaluation unit 60 are configured, over the entirety of the areas, as air transmission areas in which light is transmitted through air.
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