CAN总线在深井综合观测系统中的应用研究

Application of CAN-bus in Composite Observation in a Deep Borehole

开展深井综合观测是当前地球物理观测技术发展的一个重要方面。深井综合观测系统中信号传输的可靠性、稳定性是整个观测系统的重要环节。本文介绍一种将CAN总线技术应用于深井综合观测系统的方案,既解决了深井中信号远距离传输的问题,同时又增加了系统的灵活性,简化了井下传输电路,提高了系统的实时性、可靠性。

It is an important development direction of geophysical observation techniques to carry out composite observations in a deep borehole now.The reliability and stability of the signal transmission are very important for the observation system.This article describes a program using CAN-bus in the observation system in a deep borehole to solve the problem of long-distance signal transmission,while increasing the flexibility of the system,simplifying the transmission circuits,and improving the system’s real-time performance and reliability.