The role of the automobile rain gauge sensor
Automatic adjustment of wiper action, reduce driver trouble, improve driving safety and comfort
The main function of the automobile rain sensor is to automatically adjust the action of the wiper according to the amount of rain water falling on the front windshield, so as to reduce the driver's trouble and improve driving safety and comfort .
Working principle
The working principle of the car rain sensor is to send far infrared light through the LED light emitting diode. When the glass surface is dry, almost 100% of the light is reflected back, and the photoelectric diode receives a lot of reflected light. When more rain falls on the glass, less light is reflected back, resulting in faster wiper action 23. This stepless adjustment mode enables the wiper to automatically adjust the speed according to the actual rainfall, avoiding the limitations of the traditional wiper adjustment mode .
advantage
Automotive rain sensors have the following advantages:
Good sensitivity and practicability : The sensor can accurately measure the amount of rainfall and react quickly to adapt to different rainfall conditions .
Intelligent and efficient : compared with the traditional wiper adjustment mode, the rainfall sensor can better adapt to different rainfall conditions, improve driving safety and comfort .
reduce the driver's burden : automatically adjust the wiper action, reduce the driver's frequent operation of the wiper switch burden .
In summary, the car rain sensor through intelligent adjustment of the wiper action, not only improve the safety and comfort of driving, but also reduce the burden of the driver, is an important intelligent equipment in modern cars.
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