賽马轿车智能电动后视镜开关及控制线路优化设计.doc

本科学生毕业设计 赛马轿车智能电动后视镜开关 及控制线路优化设计 院系名称： 汽车与交通工程学院 专业班级： 车辆工程07-11班 学生姓名： 闫 涵 指导教师： 鲍 宇 职 称： 高级实验师 黑 龙 江 工 程 学 院 二○一一年月 The Graduation Design for Bachelors Degree The Optimization Design of Saima Intelligent Electric Rear-view Mirror Control Switch and Circuit Candidate: Yan Han Specialty: Vehicle Engineering Class: B07-11 Supervisor: Senior Laboratory. Bao Yu Heilongjiang Institute of Technology 2011-06·Harbin  摘 要 汽车后视镜反映汽车后方、侧方和下方的情况，使驾驶者可以间接看清楚这些位置的情况，扩大了驾驶者的视野范围。汽车后视镜的控制应简单可靠，并且可以依据驾驶员的要求随时进行调节。 设计针对机械触点式电动后视镜开关存在缺点，依据赛马轿车电动后视镜的结构进行必要的技术改进。分析其触点烧蚀的原因，进行电路设计，实现对电动后视镜的控。结合单片机的发展及其在汽车上的应用，提出利用单片机控制电动后视镜转动的设计方案。取消机械触点，并对控制电路进行优化设计以及部分改装，使控制线路简化，从而在保证实现电动后视镜控制同时减少了原车电路复杂的控制线束。在不破坏原车结构的同时，便于拆卸与安装，使用控制简单可靠。具有很好的互换性。 电动后视镜单片机控制电路直流电动机优化设计 ABSTRACT Motor vehicle rear-view mirror to reflect the rear, side and the bottom of the situation, so that drivers can see clearly the location of the indirect, expanded the scope of the vision of motorist. The rear-view mirror control of the car should be simple and reliable, and the driver can be based on the request at any time to regulate by the driver. The contact is designed according to the shortcomings of the mechanical-electrical switch mirrors, based on the structure of the the race car’s rear-view mirrors and complete necessary technical improvements. Analysis of the reason for the erosion of their contacts and take the designation of the circuit, so that finish the implementation of the manipulation of electric rearview mirror. Then joined the development of SCM and consider its application in the automobile, and proclaim the designation by using SCM to control rotating electric mirror. However this design canceled the mechanical contact and optimize the control circuit design and make some new modifications, in order to simplify the control lines. In order to ensure that the realizations of elec