摘要：蓄电池是电池的一种。它是储存了化学能量，在需要的时候放出电能的一种电气化学设备。在铁路行业中，蓄电池通常被用作机车车辆的应急电源，是机车不间断供电的保证。为了确保运行安全，保障运输顺利进行，就要对蓄电池实施自动监测。本文的机车蓄电池自动监测系统以硬件设计与软件设计为手段，采用集成度高、速度快、功耗低、具有优良性能的STC89C52单片机为核心，并辅以电压电流检测模块、温度检测模块、液晶显示模块，用来实现对电压电流以及温度的实时监测，且能够通过LCD1602液晶屏将其显示出来，有良好的人机界面，直观而准确，让人做到心中有数，有条不紊。机车蓄电池自动监测系统是铁路机车不可或缺的系统之一。31048
毕业论文关键词：蓄电池；单片机；监测；STC89C52
Motorcycle Battery Automatic Monitoring System
Abstract：Battery is one of the battery.It is to store the chemical energy, in need of released energy of an electrochemical device.In the railway industry, storage battery is usually used as the emergency power supply of rolling stock, locomotive is the guarantee of uninterrupted power supply.To ensure safety, ensure the smooth undergoing of transportation shall implement automatic monitoring for battery.Motorcycle battery automatic monitoring system of this article by means of hardware design and software design, adopts high integration, high speed, low power consumption, good performance of STC89C52 single-chip microcomputer as the core, supplemented by voltage and current detection module, the temperature detection module, liquid crystal display module, used to implement real-time monitoring of voltage and current and temperature, and through 1602 LCD screen will be displayed, has the good man-machine interface, intuitive and accurate, accomplish know fairly well and in an orderly way.The locomotive battery automatic monitoring system is one of the indispensable system of railway locomotive.
KeyWords：Battery；Singlechip；Monitor；STC89C52
目  录
1 绪论    1
1.1  课题背景    1
1.2  国内外研究现状    1
1.3  蓄电池监测技术的未来发展方向    2
1.4  蓄电池的主要参数    3
1.5  本文的主要工作和内容安排    4
2  硬件电路设计    5
  2.1  总体设计    5
  2.2  蓄电池主要监测内容    5
  2.3  STC89C52RC单片机    6
    2.3.1  STC89C52RC单片机引脚介绍    6
    2.3.2  STC89C52RC单片机特性    9
    2.3.3  单片机最小系统    10
  2.4  电压电流检测电路设计    12
  2.5  温度检测电路设计    13
    2.5.1  DS18B20介绍    13
    2.5.2  DS18B20温度检测电路    15
  2.6  液晶显示电路设计    16
    2.6.1  LCD1602简介    16
    2.6.2  1602液晶显示电路    17
3  系统软件设计    19
  3.1  软件总体设计    19
  3.2  主程序模块    19
  3.3电压电流读入程序    20
  3.4温度读入程序    24
  3.5液晶显示程序    26
4  系统的安装与调试    29
  4.1  硬件调试    29
  4.2. 软件调试    29 STC89C52单片机机车蓄电池自动监测系统设计+源程序:http://www.751com.cn/zidonghua/lunwen_27072.html