Principle of optical axis technology
Optical conduction mechanical switch (optical axis for short) uses optical principles and optical coupling technology, that is, light emitting elements (infrared light-emitting diodes), light receiving elements (phototransistors, photoelectric integrated circuits) and other optical elements for light induction. The trigger principle of the optical axis is to judge the resistance of different resistance values formed by light induction to control the switch. When the handle is not pressed down to the OP value, because the handle grating blocks the light path between the infrared light-emitting tube and the infrared switch tube, the infrared switch tube will have no light, making the resistance unlimited, equivalent to an open circuit. When the handle is pressed down to the OP value, the handle grating leaves the light path of the infrared light-emitting tube and the infrared switch tube, so that the infrared switch tube has enough light, so the resistance value becomes smaller and equal to the path, and the optical axis judges the open circuit and path through the resistance value of the light path, thus controlling the switch.
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north of Xishou Road, 315 provincial road, lijiuai village, Yandian Town, Linqing City, Shandong Province, China