饲料配料自动控制系统设计说明书.doc

word完美格式 PAGE 精心整理 学习帮手 毕 业 设 计 中 文 摘 要 目前饲料厂发展日益壮大，由小型化向集团化发展，企业市场份额逐渐扩大，与此同时，市场对产品质量的要求也越来越严格，导致产量与精度的矛盾越来越突出，对软件界面的可操作性、容错性、可恢复性、智能性和稳定性也提出了更严格的要求。系统设计采用了西门子S7-200PLC，参考典型的饲料生产工艺流程，实现了饲料生产配料的自动控制。配料环节设计包括给料模块、称重模块、放料模块、混合模块和出料模块五个模块设计。通过称重传感器采集重量信号，由PLC控制电机起停实现定量给料。此饲料配料系统是一个多输入、多输出的系统，通过现代化的电子技术和自动控制技术等，实现了各条配料输送线的协调和实时控制，对料位、流量进行及时准确地监测和调节，有效降低了操作人员的劳动强度。 关键词 饲料配料 PLC 自动控制 重量检测 料位检测 word完美格式 PAGE 毕 业 设 计 外 文 摘 要 Title Feed ingredients Automatic Control System Design Abstract At present,the development of feed plants are growing day after day, development of miniaturized to the group,gradually expand the market share of the enterprise,at the same time,the market is becoming more and more strict with the quality of products,the contradiction between production and precision is more and more prominent,for at the operability, fault tolerance, recoverability, intelligent and stability are also put forward the more strict requirements.System design adopted Siemens S-7200,refer to the typical feed production process,the feed production ingredients canbe automatically controlled.Ingredients link design including feeding module, weighing module, feeding module, mixing and discharge module five module design.By weighing sensor signal acquisition weight,by PLC control motor start-stop quantitative feeding.The feed ingredients system is a multi-input and multi-output system,with modern electronic technology and automatic control technology, etc,implement the various ingredients of conveyor line coordination and real-time control,for timely and accurate monitoring of material level, flow and regulation,effectively reduce the labor intensity of the operators. Key Words Feed ingredients PLC Automatic control Detection of weight Detection of material level word完美格式 目 录 TOC \o 1-2 \h \z \u HYPERLINK \l _Toc389199989 1 绪论 PA