目录

目

 录

 

摘 要

 

                                                                                                                                                                    

 

 

...................................................................................................................................................................

 

 I  

Abstract

 

                                                                                                                                                               

 

 

..............................................................................................................................................................

 

 II

   

1 

   绪论

 

                                                                                                                                                                  

 

 

.................................................................................................................................................................

 

 1  

1.1

       铅酸蓄电池的简单介绍

 

                                                                                                                       

 

 

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 1  

1.2

       铅酸蓄电池检测系统简介

 

                                                                                                                   

 

 

..................................................................................................................

 

 3  

1.3

       进行铅酸蓄电池研究的主要意义

 

                                                                                                      

 

 

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 3  

2 

   硬件部分主要芯片简介

 

                                                                                                                                 

 

 

................................................................................................................................

 

 4  

2.1

       单片机

 

 

    AT89C51

 

                                                                                                                                  

 

 

.................................................................................................................................

 

 4  

2.2

       液晶显示芯片

 

 

    LCD1602

 

                                                                                                                      

 

 

.....................................................................................................................

 

 7  

2.3

       模数转换芯片

 

 

    ADC0809

 

                                                                                                                     

 

 

....................................................................................................................

 

 9  

2.4

       锁存器扩展并行输出口

 

 

    74LS373

 

                                                                                                     

 

 

....................................................................................................

 

 11

   

2.5

       电平转换芯片

 

 

    MAX232

 

                                                                                                                    

 

 

...................................................................................................................

 

 12

   

3 

   硬件部分设计

 

                                                                                                                                                

 

 

...............................................................................................................................................

 

 14

   

3.1

       硬件部分原理框图

 

                                                                                                                             

 

 

............................................................................................................................

 

 14

   

3.2

       最小系统电路

 

                                                                                                                                     

 

 

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 16

   

3.3

       电压测量电路

 

                                                                                                                                     

 

 

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 18

   

3.4

       显示电路

 

                                                                                                                                             

 

 

............................................................................................................................................

 

 19

   

3.5

       通讯电路

 

                                                                                                                                             

 

 

............................................................................................................................................

 

 20

   

4 

   软件部分设计

 

                                                                                                                                                

 

 

...............................................................................................................................................

 

 22

   

4.1

       系统总程序设计

 

                                                                                                                                 

 

 

................................................................................................................................

 

 22

   

4.2

       电压测量

 

 

    A/D

 

     转换程序设计

 

                                                                                                            

 

 

...........................................................................................................

 

 23

   

4.3

       显示程序设计

 

                                                                                                                                     

 

 

....................................................................................................................................

 

 26

   

4.4

       通讯程序设计

 

                                                                                                                                     

 

 

....................................................................................................................................

 

 29

   

 

结 论

 

                                                                                                                                                                  

 

 

.................................................................................................................................................................

 

 30

   

 

致 谢

 

                                                                                                                                                                  

 

 

.................................................................................................................................................................

 

 35

   

参考文献

 

                                                                                                                                                           

 

 

..........................................................................................................................................................

 

 36

   

附录

 

     1 

   蓄电池智能检测原理图设计

 

                                                                                                               

 

 

..............................................................................................................

 

 37

   

附录

 

     2 

   蓄电池智能检测

 

     PCB

 

     图设计

 

                                                                                                             

 

 

............................................................................................................

 

 38

   

附录

 

     3 

   蓄电池智能检测程序设计

 

                                                                                                                   

 

 

..................................................................................................................

 

 39