基于NiosⅡ的真空断路器触头磨损无线检测系统.pdfVIP

学兔兔 总第47卷 第540期 电测与仪表 Vo1．47 NO．540 2010年 第12期 Electrical MeasurementInstrumentation DeC．2010 基于NioslI的真空断路器触头磨损无线检测系统术 闫朋飞，杨帆，柳春茹 (河北工业大学信息工程学院，天津300130) 摘要：真空灭弧室内的触头是影响真空断路器可靠工作的关键部件，本文针对真空断路器灭弧室触头特点，设 计了一种基于SOPC的智能触头检测系统。检测系统以Ahera公司的Cyclone系列FPGA为硬件资源，Nios II为控制 器，采用接触式微位移传感器、TLC2543模数转换器、nRF905通信模块、380x240液晶显示终端，实现了真空灭弧 室触头磨损在线检测功能，将真空灭弧室内触头磨损情况及时的显示给监控人员，保障了真空断路器可靠的工 作。并引入了“一主多从通信协议”、“变化数据存储方法”。系统精度高、速度陕、体积小、成本低，可多个从机联网 使用，实现触头检测智能化、网络化。 关键词：Ni0s II；断路器；触头检测；nRF905；无线组网 中图分类号：TM56 文献标识码：B 文章编号：1001—1390(2010)12—0053—04 Vacuum Breaker Contactor Abrasion Wireless Detection System Based on the NiosII YAN Peng-fei，YANG Fan，LIU Chun-ru (School of Information Engineering，Hebei University of Technology，Tianjin 300130，China．) Abstract：The eontactor in vacuum arcing chamber is the key part which makes sure the vacuum circuit breaker works reliably．In view of the characteristics of the vacuum breaker arcing chamber eontactor，this paper discusses an intelligent detecting system based on SOPC．During this，the system chooses Altera S Cyclone-FPGA as hardware resources，NiosII as the controller and Micro-displacement as the sensor and uses TLC2543 as the ADC，nRF905 as the wireless communication module and 380 x240 as the data display termina1．Realizing the on-line detection， which could show monitoring person the wear condition of the eontactors timely．And ensures they can work reliably． “A master multiple slaves communication protocol’’and “Changing data storage methods”are introduced．The system has high accuracy、high speed、small size and low cost．It can be used in multiple slaves in same network，