| 矿用数字广播系统设计 |
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| 引用本文： | 杨娟. 矿用数字广播系统设计[J]. 工矿自动化, 2011, 37(8): 44-47. DOI: 32-1627/TP.20110807.1127.014 |
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| 作者姓名： | 杨娟 |
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| 作者单位： | 瓦斯灾害监控与应急技术国家重点实验室,重庆400037;中煤科工集团重庆研究院,重庆400037 |
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| 摘 要： | 针对煤矿井下广播系统多采用模拟音频广播方式,存在传输距离短、抗干扰能力差、需要单独布线和只能进行全网语音广播等缺点,提出了一种新型矿用数字广播系统的设计方案,详细介绍了该系统的架构、主要功能、软硬件设计。该系统基于计算机技术、网络技术、音频流技术,将实时采集的广播信号量化、编码、压缩、缓存,按照网络传输协议以IP数据包形式分包传输到网络广播终端并进行播放,解决了传统模拟音频广播的不足。实验室测试及运行结果表明,该系统稳定、可靠,音、视频播放流畅,操作简单,能够满足煤矿现场的实际需要。
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| 关 键 词： | 煤矿 数字广播系统 音频流技术 网络广播 工业以太网 |
Design of Mine-used Digital Broadcasting System |
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| YANG Juan. Design of Mine-used Digital Broadcasting System[J]. Industry and Automation, 2011, 37(8): 44-47. DOI: 32-1627/TP.20110807.1127.014 |
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| Authors: | YANG Juan |
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| Affiliation: | YANG Juan1,2(1.State Key Laboratory of the Gas Disaster Detecting Preventing and Emergency Controlling,Chongqing 400037,China.2.Chongqing Research Institute of China Coal Technology and Engineering Group Corporation,China) |
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| Abstract: | To solve shortcomings that coal mine underground broadcasting system has short transmission distance,bad anti-interference ability,need separate wiring and only makes whole network voice broadcasing because it uses analog audio broadcasting way,the paper put forward a design scheme of new kind of mine-used digital broadcasting system.It introduced structure,main function,software and hardware design of the system in details.The system adopts computer technology,network technology and audio stream technology... |
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| Keywords: | coal mine digital broadcasting system audio stream technology network broadcasting industrial Ethernet |
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