| 矿用产品LonWorks总线接口保护技术 |
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| 引用本文： | 孟庆勇.矿用产品LonWorks总线接口保护技术[J].工矿自动化,2011,37(8):88-90. |
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| 作者姓名： | 孟庆勇 |
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| 作者单位： | 煤炭科学研究总院安全装备技术研究分院,北京,100013 |
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| 基金项目： | “十一五”国家科技支撑计划项目(2009BAK54B04) |
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| 摘 要： | 针对矿用产品LonWorks总线接口在实际应用中容易损坏的问题,分析了导致损毁的主要原因是收发信号不隔离、浪涌脉冲和长距离传输等因素,给出了3种由陶瓷气体放电管、自恢复保险丝、瞬态抑制二极管、静电放电保护器件组成的LonWorks总线接口保护电路。测试结果表明,该3种保护电路均满足有关标准的浪涌抗扰度测试要求,应用效果良好。
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| 关 键 词： | 矿用产品 LonWorks总线 接口保护 浪涌脉冲 陶瓷气体放电管 自恢复保险丝 瞬态抑制二极管 静电放电 |
Protection Technology of LonWorks Bus Interface of Mine-used Products |
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| MENG Qing-yong.Protection Technology of LonWorks Bus Interface of Mine-used Products[J].Industry and Automation,2011,37(8):88-90. |
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| Authors: | MENG Qing-yong |
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| Affiliation: | MENG Qing-yong(Safety Equipment Research Branch of CCRI.,Beijing 100013,China) |
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| Abstract: | For the problem of frequent damage in application of LonWorks bus interface of mine-used products,main causes were analyzed including unisolating sending and receiving signals,electrical surge and long-distance transmission.Three protection circuits were gave which are composed of gas discharge tube,polymeric positive temperature coefficent,transient voltage suppressor and electro-static discharge protector.The test result showed that the three circuits can achieve corresponding standards about anti-interfe... |
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| Keywords: | mine-used product LonWorks bus interface protection electrical surge gas discharge tube polymeric positive temperature coefficent transient voltage suppressor electro-static discharge |
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