Infrared light curtain vehicle sensor and method
A sensing method and infrared light technology are applied in the field of parking lot vehicle management to achieve the effect of clear and clear navigation routes and time saving.
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[0043] hardware structure such as figure 1 As shown, the infrared light curtain vehicle sensor in this embodiment includes: main and auxiliary sensors and respective microcontrollers, a system microcontroller, and a system power supply. The microcontrollers of the main and auxiliary sensors are connected to the system microcontrollers through serial data communication lines, and there are communication interfaces connected with other computer systems to facilitate the connection with other devices.
[0044] The main sensor consists of an infrared LED emitting array and a photodiode receiving array, which is controlled by the microcontroller of the main sensor; figure 2 shown. The auxiliary sensor is composed of an infrared LED emitting array, an infrared receiving diode and a microcontroller of the auxiliary sensor. There are two infrared light curtain sensors, which are vertically and horizontally arranged respectively. One group of infrared light curtain sensors coincides...
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