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黑龙江工程学院本科生毕业设计摘 要自动关窗器是针对现代轿车中没有安装自动关窗系统的车而设计的。本设计是为了预防车主在熄火停车后忘记关窗，造车车内物品丢失，或者因为雨天或者其他天气原因而造车车内进水或进入其它异物而造车不必要的损失。本次设计主要是针对威驰轿车的电路进行设计。一开始阐述了威驰轿车自动关窗器的设计目的及意义、及应用。接着分析了设计的基本内容及要解决的相关的问题。本方案通过对威驰轿车的原有电路进行分析，在原电路基础上进行设计通过添加一些相应的电子元件。进行对威驰轿车的熄火停车后的关窗系统进行控制控制。还对怎样选择合适的三极管，继电器以及电路保护装置做了简单的介绍。本设计基于AT89c51单片机进行程序设计。对于单片机的原理，各个引脚的作用以及控制方式等做出了简单的介绍。最后搭建具体电路来验证该设计方案的可行性。关键词：单片机；继电器；威驰轿车；自动关窗器；电动车窗ABSTRACTThe automatic window controller is designed for the modern car which didnt intall the system for self-closing the window. This design is for a preventive against missing items in the car or other reasons like raining into the car cause unnecessary losses as the owner forget to close the window afer parking.The design is based on the circuit of vios. At first elaborate the significance purpose and application for the automatic window controller. Next analysis the substance of this design and associated problems need to solve. This scheme analysis of the circuit of vios and add other electronic components to original circuit aim at controlling the system for self-closing the window after parking the car. It also make a simple introduction for how to choose a proper transistor relay and protecting device of circuit. This design based on the AT89c51 SCM（Single Chip Micyoco）,make a introduction for the principle of SCM the effect and control about each pin. At last set up a specific circuit to verification the feasibility of the design.Key