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Using photoelectric technology of coarse cereals color separator

Release date:2016-11-02 00:00 Sources: click:

Using photoelectric technology of coarse cereals color separator





Based on the differences of the optical properties of material, the use of photoelectric technology will granular materials in different color particles automatic sorting equipment. Photoelectric color separator is used for repose of the material quality detection and classification of a kind of effective separation equipment, in food, food, pigment, chemical and other industries has been widely used. The current domestic foreign brands on the market of photoelectric cell occupies the main share of color, in recent years the domestic independent research and development of photoelectric color separator has begun to gradually applied. Photoelectric color separator as a typical electromechanical integration system, in the process of its innovative research and development, the color of machine control system research and development is not only the machine innovation design of the main aspects of color, is to determine the color of the r&d separator can obtain the excellent properties of key technology.

Color machine widely used in many fields, such as the food industry of sesame seeds, peanuts, rice, soybeans and other grains for color grading, classification of tea, tea color separator, some chemical industry (plastic sheet, plastic pellets, salt, etc.) can also be used to. Color separator of color recognition system is the heart of the separator recognition system # recognition system is the core of the sensor. Color separator type sensor is mainly divided into the traditional sensor (photocell, silicon photocell, etc.) and CCD (or MOS) sensor type two kinds. Sensor is composed of optical system and photoelectric conversion device, its role is to make the different color particles accurately identify from the high-speed movement of logistics, through configuration of other injection to clear from a rapid response. Early color machine adopts photocell, photoelectric diode and the silicon photocell to detect the light signal, its the biggest advantage is low cost, production, easy debugging and production, the subsequent signal processing circuit is simple, the matching of the optical system using simple electric eye, is composed of two pieces of simple lens, do not need to adjust, the cost is low. Its defect is low resolution, with ailment of particles and light impurities recognition ability is poor. Because this kind of color separator corresponding to each slide only USES a sensor, it was observed that the ramp within the scope of the general optical signals, and can't separate to shed at the same time a slide several rice or wheat color.



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