Precision and speed of photoelectric switch detection

The photoelectric switch detection method has many advantages such as high accuracy of product detection, fast response speed, non-contact, etc., and there are many measurement parameters that can be selected, the structure of the sensor is simple, and the form is flexible and diverse. The photoelectric switch is widely used in detection and system control. use.

People generally say that there are three categories of photoelectric switches:

One is a reflective photoelectric switch, the other is a through-beam photoelectric switch, and the other is a photoelectric switch with a reflective plate.

In the meantime, the latter two are through the target object shading to complete the detection, the former one is through the target object reflected back to complete the detection function. Therefore, the detection distance of beam and retroreflection is longer and the accuracy is higher. Because the photoelectric switch has appropriately high detection accuracy, it is suitable for detecting workpiece products or automation equipment, etc., precision orientation, and stepping and servo system response devices.