全自动车载饮水机

论文编号:JD093    字数:22749,页数:65

摘 要
近些年来，随着汽车行业的飞速发展，汽车消费成为现代社会的一个巨热狂潮，所引发的又一轮绝好商机是被称为汽车后市场的汽车用品业。车载饮水机也就在这个时候应运而生。
车载饮水机的出现解决了有车族在自己的“爱车”上或是公安干警、部队，还有长途客货车司机在野外时能随时随地喝上热水的难题。车载饮水机上的热水可用于沏茶、冲咖啡、泡方便面等，为驾车外出提供了极大方便。
本课题就是进行车载饮水机的设计，硬件部分主要采用AT89C51型单片机进行主控制，再加温度和水位测量等辅助电路，用Protel绘制硬件原理图，软件部分用C语言进行编程，通过软硬件结合和实现各功能模块间的连接通信，完成系统设计要求。最终实现水的加热，余水回抽，无水自动报警，语音提示等功能。设计出一台功能较全，经济实惠的车载饮水机，让您在需要时轻轻松松就能喝到一杯热水。

关键词 :  饮水机；车载用品；单片机

Automatic Vehicle drinking fountains

Abstract
In recent years, as the rapid development of the automobile industry, automobile consumption of modern society has became a hot giant waves, triggered by another round of excellent business opportunities is known as the car market after the vehicle equipment industry. The car drinking fountains at this time came into being.
The car appeared to solve the problems : “car owners” in his car or public security police, the armed forces, there are long-distance passenger and goods vehicle drivers in the field at any time when they want to drinking waters. The hot water supplies by car drinking fountains can be used for tea, salt coffee, instant noodles and other foam, to provide motorists on a great convenience.
This issue is the drinking fountains for automotive design, some of the major hardware used AT89C51-SCM control, coupled with the water level and temperature measurements, and then Protel schematic rendering hardware, software some with C programming language, through the hardware and software Integration and achievement of functional connections between the communications module to complete the design requirements. The ultimate realization of water heating, Pumping the remaining water ,anhydrous automatic alarm, voice prompts, and other functions To design a more full-function, design reasonable, affordable car drinking fountains, so you can easily enjoy a cup of hot water while need .

Key words  : Drinking fountains ;Car supplies；Single Chip Microcomputer

目 录
摘要 .................................................................I
Abstract............................................................. II
1  绪论............................................................... 1
1.1  车载饮水机的研究的背景及意义......................................1
1.2  本课题的主要研究内容及安排 .......................................1
2  系统总体设计........................................................3
2.1  系统结构设计 .....................................................3
2.2  硬件系统设计 .....................................................3
2.2.1  系统硬件构成 ...................................................4
2.2.2  硬件主要配置 ...................................................4
2.3  系统软件设计 .....................................................8
2.4  车内安装设计......................................................8
2.5  方案比较..........................................................9
2.5.1  控制方案比较....................................................9
2.5.2  小结...........................................................10
3  系统硬件电路设计...................................................11
3.1  主控模块.........................................................11
3.1.1 芯片介绍........................................................11
3.1.2  芯片引脚与各部分连接 ..........................................16
3.2  电源模块 ........................................................16
3.2.1  三端集成稳压器的工作原理.......................................16
3.2.2  7805应用电路...................................................18
3.3  语音芯片控制电路.................................................19
3.4  其他模块 ........................................................20
3.4.1  水位测量模块...................................................20
3.4.2  温度控制模块 ..................................................21
3.4.3  驱动模块.......................................................22
3.3.4  键盘控制模块 ..................................................24
3.5  控制面板.........................................................25
4  系统软件设计 ......................................................27
4.1  主程序设计 ......................................................27
4.2  子程序流程图 ....................................................28
4.3  中断程序流程图 ..................................................31
5  结论 ..............................................................33
参考文献 .............................................................34
附录A  车载饮水机硬件原理图...........................................35
附录B  车载饮水机面板图 ..............................................36
附录C  程序清单.......................................................37
附录D  与论文相关的英文资料和译文.................................... 47
致谢................................................................. 58

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