摘要
通过直接测量法将轮胎气压取出来转化为微弱的电信号,再将电信号通过精密放大和处理转换为两位输出的TTL电平数字信号,应用该数字信号激发现场的无线发射器工作,使装在驾驶室的无线接收器驱动报警器工作实现现场报警;同时该数字信号推动单片机和GSM短信通信模块工作,通过单片机和GSM短信模块的信息交流,实现GSM短信模块自动向被锁定的手机发出轮胎气压过高或过低的报警信号。
In this article,the tire pressure is taken out and converted into weak electrical signals by means of direct measurement,and the electrical signals are transformed by precision amplification and processing into two output TTL level digital signals,the digital signal is applied to activate the wireless transmitter in the field,making the wireless receiver in the driver＇s cab drive the alarm. In the meantime,this digital signal promotes single-chip and GSM text communication module,At the same time,in order to achieve the alarm,the digital signalpromote the single chip microcomputer and GSM short message communication module to work through the exchange of information. The realization of GSM SMS module automatically sends an alarm signal that the tire pressure istoo high or too low to the locked mobile phone.
作者
于卫
沈凌羽
王丹
王娟娟
邱生辉
YU Wei;SHEN Ling- y u;WANG D an;WANG Juan- ju a n;QIU Sheng-hui(Yangzhou University,Yangzhou 2 2 5 1 2 7,China)
出处
《扬州职业大学学报》
2017年第4期33-37,共5页
Journal of Yangzhou Polytechnic College
关键词
轮胎气压
过压和欠压
TTL电平数字信号
GSM短信通信模块
tire pressure
overvoltage and undervoltage
TTL level digital signal
GSM short message com-munication module
