毕业设计 基于单片机的井下瓦斯浓度智能传感器的设计.docVIP

本科毕业设计说明书 基于单片机的井下瓦斯浓度智能传感器的设计 BASED ON THE UNDERGROUND GAS DENSITY SINGLE-CHIP MICROCOMPUTER INTELLIGENT SENSE ORQAN DESIGN 学 院： 电气与信息工程学院 基于单片机的井下瓦斯浓度智能传感器的设计 摘要 随着我国经济的快速发展，各行各业对煤炭的需求急剧增加，而各种矿难事故的发生，使得煤炭安全生产面临严峻的挑战。这篇文章就是针对导致矿难频发的瓦斯浓度进行监控而设计的。 在文章里，我针对瓦斯的特点，设计出同时监测高低浓度的瓦斯系统，全天候不间断的对井下瓦斯浓度进行监测。同时采用声光报警系统，一旦瓦斯超标，系统立即提醒正在井下作业的工人紧急撤离，避免人员伤亡，并且还运用红外遥控系统来进行远程监控。设计这种智能传感器采用闭环控制来确保采样的平稳。 该传感器以AT87C552单片机为核心，实现对瓦斯的检测、报警和控制，安全可靠，经久耐用，适合各类煤矿瓦斯的监控，可以大大降低煤矿事故的发生，降低企业成本，提高煤炭开采率，为我国煤炭事业做出贡献。 关键词：瓦斯，AT87C552，PID控制器 文档由全能交通有哪些信誉好的足球投注网站引擎达达搜 With the rapid development of Chinas economy, various industries on the sharp increase in the demand for coal. but each kind of mining accidents occurrence, causes the coal safety in production faced with the stern challenge. This piece of article aims at the gas to carry on the monitoring to design. In the article, I in view of the gas characteristic, design simultaneously monitor the height density the gas system, all-weather uninterrupted carries on the monitor to the mine shaft gas density. Simultaneously uses the acousto-optics alarm system, once gas exceeding the allowed figure, the system reminds the downhole operation worker to evacuate urgently immediately, avoids the personnel casualty. Also put to use infrared remote-control system carry through long-distence supur risory control. Design this intelligent sensor adopt close-cycle control insure sampling placidity. This system take at87C552 monolithic integrated circuit as a core, realizes to the gas examination, the warning and the control, safe reliable, durable, suits each kind of coal mine gas the monitoring, may reduce coal mining accidents occurrence greatly, reduces the private costs, raises the coal recovery ratio, makes the contribution for our country coal enterprise. KEYWARDS: gas, AT87C552, PID controller 目录 摘要（中文） I 摘要（英文） II 1 绪论 1 1.1引言 1 1.2系统简介 2 2 系统功能介绍 3 2.1性能描述 3 2.2系统框架结构 3 3 硬件电路介绍 5 3.1甲烷传感器 5 3.