水泥包装机 毕业论文

《水泥包装机 毕业论文》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、水泥包装机目录目录.................................................................第一章前言.........................................................11.1选题背景......................................................11.1.1老式水泥包装机.................................................11.1.2称重控制机构电子化发展概况............

2、.........................11.2本文主要工作......................................................21.2.1本设计工作的主要内容..........................................21.2.2系统设计思想..................................................3第二章系统综述.......................................................42.1系统概述...........

3、.............................................42.2系统的工作原理.....................................................42.3设计方案选择.....................................................52.3.1电磁阀阀值控制方案论证系统.....................................52.3.2显示方案选择...................................................

4、.62.3.3信号放大环节方案选择............................................62.3.4皮中测量方案选择................................................7第三章系统硬件设计....................................................83.1称重单元........................................................83.1.2精密放大器...............................

5、....................93.1.3数模转化电路................................................123.2.80c51单片机示意图及应用.........................................143.3键盘及其显示单元.............................................163.4称重显示单元.................................................203.5报警控制.......................

6、..............................223.6压袋落袋装置及传送带..........................................223.7电源设计.....................................................24第四章系统软件设计...............................................254.1主程序设计..................................................254.2自检.................

7、....................................274.3中断服务程序INTO............................................294.4模数转换子程序............................................314.4.1ICL7135软件部分........................................314.4.2抗干扰部分.................................