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Photoelectric switch is an electronic component that uses the photoelectric effect for detection and measurement. According to their working principles and application scenarios, photoelectric switches can be divided into two categories: reflective photoelectric switches and penetrating photoelectric switches.
A reflective photoelectric switch is a photoelectric switch that integrates an infrared light source and receiver in the same volume. The switch uses reflective detection technology to reflect the infrared beam emitted by the light source onto the receiver, thereby detecting and measuring objects. Reflective photoelectric switches are widely used in automatic doors, vending machines, elevators and other occasions. They have the advantages of long detection distance, fast response speed and long service life.
The penetrating photoelectric switch is a photoelectric switch that separates the infrared light source and receiver. This switch uses penetrating detection technology to pass the infrared beam emitted by the light source through the object to be detected and received by the receiver, thereby realizing the detection and measurement of the object. Penetrating photoelectric switches are widely used in industrial automation, robots, assembly lines and other occasions. They have the advantages of high detection accuracy, suitable for objects of various shapes and colors, and anti-interference ability.
In short, photoelectric switches are a very important electronic component and play an important role in automation control, robots, assembly lines and other fields. Reflective photoelectric switches and penetrating photoelectric switches are two common types. Depending on the application scenario and detection requirements, you can choose the appropriate photoelectric switch for use.
