基于COFDM技术的瓦斯抽采视频监控系统  

Video Monitoring of Gas Drainage Based on COFDM Technology

作　　者：曾伟 ZENG Wei(China Coal Technology and Engineering Group Shenyang Research Institute,Fushun 113122,China;State Key Laboratory of Coal Mine Safety Technology,Fushun 113122,China)

机构地区：[1]煤科集团沈阳研究院有限公司,辽宁抚顺113122 [2]煤矿安全技术国家重点实验室,辽宁抚顺113122

出　　处：《煤矿安全》2018年第12期83-85,共3页Safety in Coal Mines

摘　　要：针对煤矿井瓦斯抽采钻孔存在的问题及摄像头有线监控的缺点,提出采用COFDM技术设计一套井下无线视频监控系统,用于井下瓦斯抽采钻孔的视频监控;介绍了COFDM技术的原理和优势,以及COFDM技术的调制、解调方法;对视频监控系统的整体架构及主要硬件设计进行了简单论述。Aiming at the existing problems of gas extraction drilling and the drawbacks of wired camera monitoring system in coal mine well, a set of wireless video monitoring system is proposed for the video monitoring of mine gas extraction drilling in this paper based on COFDM technology. The principle and advantages of COFDM technology are introduced; the modulation and demodulation method of COFDM technology are explained; an overall architecture of the video monitoring system and the main parts of hardware design are briefly described in this paper.

关 键 词：瓦斯抽采 抽采钻进视频监控 无线视频监控系统 COFDM FPGA 

分 类 号：TD676[矿业工程—矿山机电]