Semiconductor refrigeration crystal grain automatic counting device and working method thereof

The invention relates to a semiconductor refrigeration crystal grain automatic counting device and a working method thereof.The semiconductor refrigeration crystal grain automatic counting device comprises a photographing camera and a blanking assembly which are oppositely arranged in the left-right direction, the photographing camera is connected with an image processing unit, the blanking assembly comprises a blanking base, and a linear feeder is installed on the blanking base; a feeding groove is formed in the top of the linear feeder, a discharging port is formed in the left end of the feeding groove, a material receiving box fixed to the discharging base is arranged under the discharging port, and a parallel area light source is vertically arranged between the material receiving box and the discharging port. The photographing camera is horizontally arranged, and the position of the photographing camera is right opposite to the position of the parallel surface light source. The device is reasonable in str