煤矿漏泄通信系统井下传输模块的设计与实现

发布时间：2018-03-25 11:55

本文选题：漏泄通信　切入点：漏泄电缆　出处：《北京交通大学》2015年硕士论文

【摘要】：煤矿井下通信在井下安全、生产优化、灾害救援中发挥着不可替代的作用。研究发现煤矿漏泄通信是一个较为可靠的通信方式,它可以为井下通信提供一个很好的解决方案。原有传统的煤矿漏泄通信系统存在很多问题,包括井下空间无线通信实施难度大、存在信号死角,已有产品应用功能单一、难以推广,以及无法确保井下生产、安全、调度等多种数据信息的传输。本文对煤矿漏泄通信系统井下部分设计中的双向中继放大技术进行了研究,根据功能需求,分别从硬件和软件方面对双向中继放大器进行了设计。在双向中继放大器的硬件设计上,通过对漏泄通信工作原理的研究,对原有的纯模拟电路实现的双向中继放大器进行了改进,设计了以数字信号处理为基础的新型的双向中继放大器,其包括接收解调模块、发射调制模块、微控制器控制模块和系统电源模块；实验测试结果表明,该双向中继放大器工作稳定可靠,达到了设计目标。设计了双向中继放大器的软件系统,在完成了基础的初始化配置流程与通信协议的设计之外,还针对数字信号的传输特性,专门设计了信号控制系统,实现了信道选择及校准、信号接收强度指示以及输出功率编程控制；经过仿真调试,结果表明该软件系统运行高效稳定,达到了设计要求。
[Abstract]:Underground communication plays an irreplaceable role in underground safety, production optimization and disaster rescue. It can provide a very good solution for underground communication. There are many problems in the traditional coal mine leakage communication system, including the difficulty of wireless communication in underground space, the existence of signal dead angle, and the single application function of existing products. Difficult to popularize, and unable to ensure underground production, safety, scheduling and other data information transmission. In this paper, the bidirectional relay amplification technology in the underground part design of mine leakage communication system is studied, according to the function requirement, The bidirectional relay amplifier is designed from the aspects of hardware and software. In the hardware design of bidirectional relay amplifier, the principle of leakage communication is studied. A new type of bidirectional relay amplifier based on digital signal processing is designed, which includes receiving and demodulating module and transmitting modulation module. The experimental results show that the bidirectional relay amplifier works stably and reliably and achieves the design goal. The software system of bidirectional relay amplifier is designed. In addition to the design of the basic initialization configuration flow and communication protocol, the signal control system is specially designed for the transmission characteristics of digital signal. The channel selection and calibration, signal receiving intensity indication and output power programming control are realized, and the simulation results show that the software system runs efficiently and stably and meets the design requirements.
【学位授予单位】：北京交通大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TD655

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