With the development of science and technology, the mainstream of the international color selection machine has adopted advanced devices as a recognition system. The device is composed of a lot of small photoelectric sensor array, it uses high quality camera special high-definition camera, the flow of each channel within the scope of the material, there are usually several to dozens of sensors to separate detection (can be regarded as compound eye structure, and a single piece of silicon solar cell it is unilateral structure). Full intelligent track coffee beans color selection machine, aimed at reducing the amount of coffee beans inside the content, so that more coffee lovers to drink a cup of fresh and delicious coffee drinks. Whether it is the skin of fruit without peel or coffee beans, coffee beans by color sorter, unripe fruit, Harmonia coffee beans and made the moldy rotten beans, can be chosen! With such a coffee bean color selection equipment, coffee beans purity higher, faster processing speed, orders followed.