基于CAN总线的助航灯光电缆绝缘电阻检测节点设计  

Design of civil aviation airfield lighting cable insulation resistance test node based on CAN fieldbus

作　　者：王修岩[1] 耿晓剑[1] 李宗帅[1] 林家泉[1] 

机构地区：[1]中国民航大学航空自动化学院,天津300300

出　　处：《工业仪表与自动化装置》2011年第3期54-56,共3页Industrial Instrumentation & Automation

基　　金：中央高校基本科研业务费中国民航大学专项(ZXH2010C002)

摘　　要：针对民航助航灯光电缆回路长、接头多,提出了一种基于CAN总线的分布式多节点电缆回路绝缘电阻的实时检测方案,深入阐述了绝缘电阻检测的硬件设计方法,大幅提高了检测精度,成功实现了助航灯光回路绝缘电阻的实时检测。A distributed multi-node circuit cable insulation resistance test node based on CAN bus was proposed as for long distances,multi-joint,poor working conditions and other special circumstances of the civil aviation airfield lighting cable.It introduced the insulation resistance of detection of hardware designation and key technologies.An driving source with high precision,isolation amplifier,signal conditioning and high-precision measurement technology all significantly lead to improve the accuracy of the test,and successfully implement testing of insulation resistance of civil aviation airfield lighting cable.

关 键 词：电缆回路 绝缘电阻 CAN控制器 通信接口 

分 类 号：TP215[自动化与计算机技术—检测技术与自动化装置]