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工程设计学报
工程设计学报  2016, Vol. 23 Issue (6): 626-632    DOI: 10.3785/j.issn.1006-754X.2016.06.016
整机和系统设计     
矿井WiFi视频传输系统软硬件设计与实现
何剑海1, 周明德2, 包建荣3
1. 宁波职业技术学院 工程训练中心, 浙江 宁波 315800;
2. 宁波职业技术学院 信息资源中心, 浙江 宁波 315800;
3. 杭州电子科技大学 信息工程学院, 浙江 杭州 310018
Design and implementation of software and hardware of the mine WiFi video transmission system
HE Jian-hai1, ZHOU Ming-de2, BAO Jian-rong3
1. Engineering Training Center, Ningbo Polytechnic, Ningbo 315800, China;
2. Information Resource Center, Ningbo Polytechnic, Ningbo 315800, China;
3. School of Information Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
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摘要：

针对矿井光线强度不够、瓦斯防爆、坑道弯曲多变等引起的多媒体信号获取困难与传输环境恶劣等问题，研制了高效的WiFi视频传输系统，并应用于矿井通信场合.采用嵌入式ARM处理器、红外CCD摄像头、WiFi模块等器件构造基本硬件传输处理平台，在软件上采用H.264视频编解码、RTP/UDP封装、WiFi快速切换等信息获取与传输机制，最终研制了满足煤矿多媒体监管所需的高效、低功耗井下无线多媒体终端系统.经工程实践验证，该系统适应井下弱光甚至全暗、防爆、低功耗、复杂链路等工作环境，并取得了较好的井下WiFi视频传输效果.因此，所设计的矿井WiFi传输系统能有效消除井下恶劣信道环境的影响，实现低成本实时宽带视频信息传输，可在矿井安全监控管理等场合广泛应用.
关键词： 多媒体信息采集;  嵌入式处理;  井下无线传输;  传输协议精简与封装    
Abstract:

According to the difficult problems of multimedia signal acquisition and the poor channel transmission circumstances due to the facts such as the insufficient lightness, the gas explosion proof and the zigzag mine tunnels, and so on, a new efficient wireless fidelity (WiFi) video transmission system was developed and used on the underground mine communication occasions. In the aspect of hardware for the proposed system, it mainly exploited the devices of embedded ARM processor, infrared charge-coupled device (CCD) camera, WiFi module, and so on. In the aspect of software for the proposed system, it used H.264 video codec, real time control protocol (RTP)/user datagram protocol (UDP) encapsulation, quick WiFi handover and some other information acquisition and transmission mechanism. Finally, an efficient and low power consuming underground mine wireless multimedia communication prototype was developed to meet the requirement of under ground mine multimedia supervision. Through practical testing and verification, the proposed scheme was found to be suitable for the poor working conditions such as weak lightness, explosion proof, complex transmission link, and so on. Thus it obtains efficient and reliable under-mine WiFi video transmission effect. Therefore, the designed underground mine WiFi transmission system can overcome the terrible circumstances of the transmission channel and realize the low cost real time broadband video information transmission. And it can be widely used on the occasions of the underground mine security surveillance and management.
Key words: multimedia information acquisition    embedded processing    underground mine wireless transmission    simplification and encapsulation of the transmission protocol
收稿日期: 2016-04-06 出版日期: 2016-12-28
CLC:  TN919.82  
基金资助:

国家自然科学基金面上项目（61471152）；浙江省自然科学基金重点项目（LZ14F010003）；浙江省科技计划项目（2015C31103）；浙江省教育厅高校科研课题（Y201224190）.
通讯作者: 包建荣(1978-),男,浙江杭州人,副教授,博士,从事近地空间通信信号处理、嵌入式系统等研究,E-mail:baojr@hdu.edu.cn.http://orcid.org//0000-0003-1720-853X     E-mail: baojr@hdu.edu.cn
作者简介: 何剑海(1980-),男,浙江温州人,讲师,硕士,从事物联网通信、嵌入式无线传感网络等研究,E-mail:rambert@qq.com.http://orcid.org//0000-0001-6413-7602
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引用本文:

何剑海, 周明德, 包建荣. 矿井WiFi视频传输系统软硬件设计与实现[J]. 工程设计学报, 2016, 23(6): 626-632.

HE Jian-hai, ZHOU Ming-de, BAO Jian-rong. Design and implementation of software and hardware of the mine WiFi video transmission system. Chinese Journal of Engineering Design, 2016, 23(6): 626-632.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2016.06.016    或    https://www.zjujournals.com/gcsjxb/CN/Y2016/V23/I6/626

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