基于μCOS-Ⅱ和低压电力载波的绞车通讯系统设计

发布时间：2018-04-20 08:13

  本文选题：斜巷提升 + μCOS-Ⅱ　； 参考：《安徽理工大学》2015年硕士论文

【摘要】：目前煤矿井下辅助运输系统基本上都采用绞车提升运输方式,但是在斜巷提升绞车的控制方面的技术还比较落后,绞车司机根据听到的打点音次数去控制绞车的启停动作,虽然可以借助对讲机和信号工进行交流,但仍然存在操作不当的情况发生,智能绞车通信系统的研究迫在眉睫,具有重要的应用价值和广阔的应用前景。 本文设计了一套绞车通讯系统。根据绞车通讯系统的功能要求,绘制了系统结构示意图,并对系统的工作原理做简要的描述。介绍了系统的硬件结构组成,分析了硬件结构安装布局,设计了系统供电电源电路、微控制器及其外围电路、载波电路和功放电路等。系统主要由一台绞车控制器和多台声光信号器组成,绞车控制器位于斜巷顶端,声光信号器根据斜巷实际工作需求,沿斜巷安装,绞车控制器与声光信号器采用电力载波技术,借助井下电力线进行打点、讲话等信号的传输,减小了线路安装的复杂度,节约了通信成本。声光信号器和绞车控制器分别采用了目前主流的8位和32位单片机,为系统功能的实现提供了很好的保障。 对系统软件进行了设计,通过对比前/后台系统,采用了基于μCOS-Ⅱ操作系统的架构。从系统的启动方式出发,给出了系统的任务(task)分配,并对主要任务和任务管理进行了详细的介绍,完成了通信应用程序和人机交互程序的设计,并详细描述了μCOS-Ⅱ移植的过程。由于采用了μCOS-Ⅱ实时操作系统,大大提高了多机通信等任务的实时性,优化了绞车控制器的人机交互界面的控制和管理,同时,提高了系统的开发效率。 本文通过对比煤矿井下可行的通讯方法,创新性的提出了低压电力载波通讯进行信号传输的方式。通过分析低压电力载波信道,对比低压电力载波实现方式,完成了载波通讯方式的选择。 本文对绞车通信系统进行了分步调试,重点对载波电路进行了实验调试,实验结果表明,系统能够稳定运行,性能良好。最后对系统设计的工作内容,创新点和系统待改进的地方进行了总结。
[Abstract]:At present, the auxiliary transportation system in underground coal mines basically uses winch hoist transportation mode, but the control technology of inclined roadway hoisting winch is still relatively backward. Winch drivers control the winch's start and stop action according to the number of times they hear the sound. Although the communication can be carried out by means of interphone and signal worker, there still exists the situation of improper operation. The research of intelligent winch communication system is urgent, and it has important application value and broad application prospect. In this paper, a winch communication system is designed. According to the functional requirements of the winch communication system, the schematic diagram of the system structure is drawn, and the working principle of the system is briefly described. This paper introduces the hardware structure of the system, analyzes the installation and layout of the hardware structure, designs the power supply circuit of the system, the microcontroller and its peripheral circuit, the carrier circuit and the power amplifier circuit, etc. The system is mainly composed of a winch controller and several acousto-optic signalling devices. The winch controller is located at the top of the inclined roadway. The acousto-optic signal device is installed along the inclined roadway according to the actual working requirements of the inclined roadway. The winch controller and acousto-optic signalling device adopt the power carrier technology. With the help of downhole power line, signal transmission, such as speech and so on, reduces the complexity of line installation and saves communication cost. The acousto-optic signalling device and winch controller adopt 8 bit and 32 bit single chip microcomputer respectively, which provide a good guarantee for the realization of system function. The system software is designed, and the architecture based on 渭 COS- 鈪，

本文编号：1776975