特点设计以其为核心的一种汽车多功能报警器,利用单片机的实时控制和数据处理功能,完成系统对汽车防盗报警、轮胎欠压的检测报警和冷却系统温度检测报警。该多功能报警器有着经济实用的优点且符合普通大众的消费水平,能够被大多汽车消费者所接受,渐渐成为普通大众汽车用户的优先考虑安装的报警系统。
该系统利用各种传感器对警情和汽车各部分设备进行检测,通过遥控实现汽车防盗报警设防和撤防。当报警器处于设防状态时,若警情采集电路采集到警情信号时,AT89S51立即接通报警驱动电路实现声光报警,同时AT89S51 通过无线信号发射电路发给车主报警信号,并切断点火系统的电源。车辆行驶中,对汽车各部分各系统工作状况进行自动检测,当汽车设备出现不正常时,单片机根据传感器检测到各种警情信号分别进行报警,提醒车主进行处理,避免事故发生。
关键词:汽车,单片机,传感器,报警
The Design of Automotive Multi-function Alarm
Based on Microcontroller
Abstract:Cars are the current human major traffic tools, but also the modern sign of civilization. Car sales worldwide each year more than 6,000 already more than thousand units, and possession of 4 million cars. In the vehicle with more, but following the traffic accident and the stolen car more and more, caused the casualties and economic property. People of motor-driven car performance characteristics and properties of security put forward higher request. Auto safety become an important social problem. In order to reduce the incidence of car accidents, to provide the user with car security, developing a simple, reliable, easy to operate, can automatically detect auto parts status, found not normal situation can give drivers alarm remind and anti-theft alarm security system, with the actual design significance.
This paper introduces a design based on SCM car multifunctional alarm device. Of the microcontroller low cost, high precision, miniaturization properties and characteristics in its design for the core of a car multifunctional alarm, of the microcontroller real-time control and data processing functions, complete system of auto anti-theft alarm, tire undervoltage detection alarm and cooling systems temperature detection alarm. The multifunctional alarm has economic advantages and conforms to the general public consumption level, can be accepted by most auto consumers, gradually become common Volkswagen user's preferred installation alarm system.
The system USES to alert and various sensors de