电导法检测海水盐度计(硬件部分)————————————————————————————————作者：————————————————————————————————日期：多参数海水溶液检测传感器(硬件部分)关键词海洋；盐度测量；传感器不要删除行尾的分节符，此行不会被打印目录摘要⋯⋯.......................................................................................................................IAbstract.......................................................................................................................II第1章绪论................................................................................................................41.1课题的背景和意义........................................................................................41.2盐度测量相关技术概述................................................................................41.2.1盐度的定义..........................................................................................41.2.2盐度测量技术的发展及比较..............................................................61.2.3盐度值的影响因素..............................................................................71.2.4电导率仪工作原理..............................................................................81.3课题的设计目标..........................................................................................101.3.1系统整体设计方案............................................................................111.3.2各部分功能实现规划........................................................................111.4本章小结......................................................................................................12第2章传感电路设计..............................................................................................132.1电导电极......................................................................................................132.1.1电导与电导率....................................................................................132.1.2盐度传感器探头设计........................................................................132.2盐度传感电路..............................................................................................142.2.1测量电源设计....................................................................................142.2.2整流滤波放大电路设计....................................................................182.3温度、压力传感电路..................................................................................222.3.1温度传感器设计................................................................................222.3.2压力传感器设计................................................................................252.4本章小结......................................................................................................29第3章主控电路设计..............................................................................................313.1MCS51单片机最小系统..............................................................................313.1.1高性能8位单片机AT89S52............................................................313.1.2系统时钟电路....................................................................................323.1.3CPU复位电路......................................................................
