基于嵌入式以太网的分布式数据采集系统  

A distributed data acquisition system based on embedded Ethernet

作　　者：付良瑞 陈耀宏[2] 胡祥超[1] 朱宝良[1] 

机构地区：[1]西北核技术研究所,陕西西安710024 [2]中国科学院西安光学精密机械研究所,陕西西安710119

出　　处：《电子技术应用》2017年第8期58-61,共4页Application of Electronic Technique

摘　　要：地震勘探是目前探测石油、天然气和煤炭等地下资源的重要手段。提出了一种可用于地震勘探的分布式数据采集系统,能够高精度地采集数据,通过以太网长线传输后集中处理并存储数据,利用电流环电路和长稳时钟解决了时钟同步问题。实验证明:系统工作稳定,数据传输可靠,性价比较高,具有良好的应用前景。Seismic exploration is a key method to detect the underground resources such as petroleum,natural gas and coal.This paper proposes a high-precision distributed data acquisition system which can be employed in seismic exploration.Data are central-ized processed and stored after long line transmission through Ethernet,meanwhile,the problem of clock synchronization is solved by current loop circuit and long stable clock.The experiment proves that the system is stable,reliable data transmission,superior cost performance,and has useful application prospects.

关 键 词：分布式 W5300 长距离以太网 电流环 

分 类 号：TN871[电子电信—信息与通信工程]