行驶记录仪关键技术研究与实现  

Research and Implementation of The Key Technology of The Traveling Data Recorder

作　　者：孙春霞[1] 孙江正 Sun ChunXia Sun Jiangzheng

机构地区：[1]兰州交通大学电子与信息工程学院,甘肃兰州730070

出　　处：《自动化与仪器仪表》2016年第11期243-246,共4页Automation & Instrumentation

摘　　要：行驶记录仪作为一种车载设备,可以用来监控车辆在运行过程中的实时状态,并进行有效的存储。同时随着北斗产业的发展壮大,两者之间的结合可进一步有效提高设备的用户体验及稳定性。但是在实际的使用过程中,由于设备终端处在一个相对不规律的场所,其维护和故障诊断工作将变得异常困难。本文依据记录仪设备现有通信的功能模块,通过GPRS网络来实现终端对于升级代码的下载,并通过GSM网络的短信功能来与设备进行相关数据的交互进而实现故障诊断,为保障代码升级过程中的稳定性同时引入启动代码。测试结果表明相关模块运行稳定,并可以有效地完成升级代码的更新。同时设备通过对当前短信内容的识别可以反馈设备当前的所有必要信息,成功实现故障远程诊断功能。Traveling data recorder is a kind of vehicle mounted equipment,can be used to monitor the real-time status of the vehicle in the process of running,and do effective storage.At the same time with the development of the Beidou industry,the combination of the two can further improve the user experience and stability of the equipment.But in the actual use of the process,the terminal is in a relatively irregular place,the maintenance and fault diagnosis of the work will become very difficult.In this paper,based on the function module of the current communication of the recorder equipment,through the GPRS network to achieve the terminal to download the upgrade code,and through the GSM network SMS function to the equipment and related data interaction and fault diagnosis.In order to ensure the stability of the code upgrade process,the boot code is introduced.The test results show that the related modules are stable,and can effectively complete the update of the upgrade code.At the same time,the device can identify all the necessary information for the current message by identifying the current message,Successfully realize the function of remote fault diagnosis.

关 键 词：车辆状态监控 启动文件 远程升级 远程故障诊断 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]