毕业设计（论文）：基于PLC的工业自动清洗控制系统的设计与实现.doc

基于PLC的工业自动清洗控制系统的设计与实现 摘 要 随着我国经济及科学技术的发展，与工业生产息息相关的工业自动清洗技术对生产线提出了更高的要求。传统的清洗方法是人工半自动清洗线。基于PLC的自动清洗线，其主要功能是为被清洗的工艺设备提供具有合适的温度、流量、压力及浓度的清洗液，并对清洗液回收。本项目采用PLC实现对清洗系统的自动控制，使工业清洗操作安全、方便、高效。 基于PLC的工业自动清洗控制系统根据工艺要求的控制内容选用了 HYPERLINK /business/kctjBusinessView.asp?id=2106 \t _blank 施耐德公司的TWDLCAA40DRF系统。使用TwidoSoft编程软件对系统硬件进行配置和参数设置最终较好地实现了对清洗液的定量输入及清洗液的回收，达到了工艺要求，提高了工业清洗线的自动化程度。 关键词：可编程控制器 工业自动清洗 自动控制 ABSTRACT? Along with our country economical and science and technology development, was closely linked the industry self-cleaning technology with the industrial production to set a higher request to the production line. The traditional purging method is the artificial semiautomatic clean line. Based on the PLC self-cleaning line, its major function is for the process unit which cleans is provided has the appropriate temperature, the current capacity, the pressure and the density cleaning liquid, and to cleaning liquid recycling. This project uses PLC to realize to cleans systems automatic control, causes the industry clean operational safety, to be convenient, to be highly effective. Has selected Shinaide based on the PLC industry self-cleaning control system according to technological requirements control content companys TWDLCAA40DRF system. Used the TwidoSoft programming software to carry on the disposition and the parameter establishment for the system hardware has realized well finally for the cleaning liquid quota input and the cleaning liquid recycling, has achieved the technological requirement, enhanced the industry clean line automaticity. Key word: Programmable controller Industry self-cleaning Automatic control 目　　　　录 引言….............................................................................................................................................1 1.PLC简介…..................................................................................................................................1 1.2 PLC的基本结构及工作原理…......................................