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Q：which is the applications of photoelectric switches include?
A：
Photoelectric switches have been widely used in various fields such as position detection, liquid level control, product counting, width discrimination, speed detection, length cutting, hole recognition, signal delay, automatic door sensing, color mark detection, punch presses, shearing machines, and safety protection. Additionally, due to the infrared's concealment, photoelectric switches can also be used for theft prevention in banks, warehouses, shops, offices, and other places.
The commonly used infrared photoelectric switch utilizes the principle of object reflection of near-infrared light beams. It detects the presence or absence of objects by sensing the strength of the light reflected back through a synchronous circuit. The photoelectric sensor emits infrared light beams that are either reflected or transmitted by objects or mirrors. The sensor receives the reflected beams and determines the presence of objects based on the intensity of the beams. There are various types of infrared photoelectric switches, including mirror-reflective, diffuse-reflective, slot-type, through-beam, and fiber-optic types. Optimal selection of photoelectric switches is available in FastEasy Automation's catalog.
Different types of photoelectric switches are used in different situations. For example, fiber-optic photoelectric switches are often used in electromagnetic vibration feeders, diffuse-reflective photoelectric switches are commonly used in intermittent packaging machines for film supply, and slot-type photoelectric switches are frequently used in continuous high-speed packaging machines.