| 煤矿井下电磁干扰对通信和监控系统的影响分析 |
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| 引用本文： | 孙继平,王福增.煤矿井下电磁干扰对通信和监控系统的影响分析[J].工矿自动化,2009,35(2). |
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| 作者姓名： | 孙继平 王福增 |
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| 作者单位： | 1. 中国矿业大学煤炭资源与安全开采国家重点实验室,北京,100083
2. 中国矿业大学煤炭资源与安全开采国家重点实验室,北京,100083;河北农业大学信息科学与技术学院,河北,保定,071000 |
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| 基金项目： | 国家自然科学基金(50674096);;国家科技支撑计划项目(2006B4K03B00) |
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| 摘 要： | 文章从电磁波在矩形巷道中的传输特性出发,分析了电磁波低于和高于截止频率的衰减特性,总结了井下各种电磁辐射干扰源产生干扰的情况。通过对井下电磁干扰实测数据的分析,得出井下电磁干扰的频段主要为500 MHz以下;当干扰源与通信和监控系统的距离为几米远时,其对系统基本不会产生影响。
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| 关 键 词： | 矿井 矩形巷道 电磁波 传输特性 电磁干扰 |
Analysis of Affection of Electromagnetic Interference on Communication and Monitoring and Control System in Coal Mine Underground |
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| SUN Ji-ping,WANG Fu-zeng.Analysis of Affection of Electromagnetic Interference on Communication and Monitoring and Control System in Coal Mine Underground[J].Industry and Automation,2009,35(2). |
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| Authors: | SUN Ji-ping WANG Fu-zeng |
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| Affiliation: | 1;2;1.The State Key Lab.of Coal Resources and Safe Mining of CUMT.;Beijing 100083;China.2.College of Information Science and Technology of Agriculture University of Hebei;Baoding 071000;China |
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| Abstract: | From the transmitting chracteristics of electromagnetic wave in rectangular tunnel,the(paper) analyzed attenuation characteristics of electromagnetic wave under and hyper cut-off frequency,and summarized(instances) of electromagnetic radiation interference source in coal mine.It got the conclusion that the main frequency range of electromagnetic interference was under 500 MHz in coal mine through analyzing the test results of electromagnetic interference,and it could not influence the communication and moni... |
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| Keywords: | mine rectangler tunnel electromagnetic wave transmission characteristic electro-(magnetic) interference |
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