汽车刮水器电动机自动复位系统分析与参数测试

Analysis of Windshild Wiper Motor Automatic Reset System and Specification Test

汽车刮水器是汽车重要的附属电气设备，用以清扫风挡玻璃上的雨、雪和尘埃等外来物。为确保驾驶员的视野和行车安全，断电后电动机应自动回到规定的位置。本文通过分析刮水电动机自动复位原理和能耗制动过程，揭示了电动机能否复位的关键；提出了复位计算的算法和刮水电机参数的测试方法，并以实例进行了测试和计算，为刮水电机自动复位装置的设计、计算和试验调整提供了依据。

Windshield wiper is one of the important electric accessories in an automobile.It is used to clean rain,snow,dust and other foreign materials on the windshield.To secure the viewing area of the driver and safe driving,when shut off,the motor should return wipers to their preset positions. Through an analysis of the principle of the windshield wiper automatic reset system and braking process,this article will reveal the key issues in motor (wiper) reset,provide methods for the reset calculation,and test methods of windshield wiper motor specifications. This has provided foundation for the design,calculation,test and alignment of a windshield wiper motor reset system.