煤矿皮带机PLC控制系统设计推荐.docVIP

中文题目：煤矿皮带机PLC控制系统设计 外文题目：C CONVEYOR Of PLC CONTROL SYSTEM DESIGN 毕业设计（论文）共 页（其中：外文文献及译文25页） 图纸共1张 完成日期 2015年6月 答辩日期 2015年6月 摘要 皮带运输机作为一种连续输送物料的搬运机械主要用来输送块状、粒状和散状的物料。皮带运输机具有输送距离长、运量大、输送连续等优点，而且运行可靠，易于实现自动化和集中化控制，因此，它被广泛应用于现代工业生产，尤其在高产高效的矿井中，皮带输送机己成为实现矿井运输机电一体化的关键设备。但是在皮带运输机的连续运行中往往会出现跑偏、撕裂、急停、温度、堆煤、烟雾、打滑等故障给工业生产带来了极大的不便和损失，甚至会造成人员伤亡因此对皮带运输机保护系统的研究具有重要的意义。本文针对皮带运输机运行过程中出现的不同故障，选择了相应的传感器，通过PLC实现报警。在本文中对各种故障发生的原因及危害进行了简单的描述，着重介绍了各种故障检测传感器的选型、性能、安装和调试。 本文对控制系统的硬件和软件都做了详细的介绍，硬件方面，本文根据系统所需要的输入/输出节点数选用了西门子S7-200系列PLC,其中CPU单元为CPU-224XP，扩展模块采用了EM221和EM223。软件方面，本系统主要实现保护控制，具有如下检测保护功能:跑偏、撕裂、急停、温度、堆煤、烟雾、打滑。 关键词:皮带运输机,PLC,故障检测, Abstract Belt conveyor as a continuous conveying material handling machinery, mainly used for transporting materials in shape of massive, granular and powder of. Belt conveyor with long distance, large capacity, transportation advantages of continuous, and reliable operation, easy to realize automation and centralized control, therefore, it is widely used in modern industrial production, especially in high yield and efficient mine belt conveyor has become a key equipment for the mine transportation mechanical and electrical integration. But in continuous operation of belt conveyor, the running deviation, tearing, often can appear to stop, temperature, and pile of coal, smoke and sliding failure, to industrial production has brought great inconvenience and loss, and even cause casualties, therefore, the study of belt conveyor protection system is of great significance. This article in view of the belt conveyor running in the process of different fault, choose the corresponding sensor, alarm was achieved by PLC. In this article, the causes and harm of all kinds of faults are the simple description, emphatically introduces all kinds of fault detection of the sensor selection, performance, installation and debugging. In this paper, the hardware and software of the control system are made detailed introduction, hardware aspect,