基于GSM远程温度监控系统的设计与实现

论文编号:DZXX131  论文字数:14994,页数:46

摘 要
 随着社会信息化人性化的发展趋势，科技产品已经越来越多的进入了人们的日常生活，如手机、电脑等科技产物已经基本达到普及的水平。手机是一种高科技的通讯设备，除了拨打电话之外，收发短信也是手机的一大功能。而短信的最大特点就是无需拨打电话，人与人之间就能进行信息传递、沟通，并且获取更多信息。
 本系统给出了一种基于GSM TC35i模块的远程温度监控系统，主要由单片机和GSM短信模块组成，借助最可靠、最成熟的GSM移动网络，以最直观的中文短消息或电话形式，直接把报警地点的情况反映到手机屏幕上。其中还有时间芯片DS1302来显示实时时间，温度采集采用主动式DS18B20温度传感器进行检测，变无形的温度看成有形的显示，给检测提供方便。并配备高低温处理设备，实现温度过高或过低对设备等的影响，使工作环境安全。
 
关键词：单片机，GSM模块，传感器

ABSTRACT
 With the trends of information society of human developments, technology products have already come into people's lives and become more and more. For example, mobile phones, computers and other technology products have become basically and popularity. The cell phone is a high-tech communications of equipments. In addition to calling, SMS is also a major function of cell phones. The most prominent feature of SMS is that you needn’t make a call, between people and people will be able to communicate and transmit information, and could get more information.
 This system is about a distance temperature monitoring system which based on GSM and TC35i module. It made of MCU and GSM massage module. It depends on the GSM Mobile Internet which is used as the most reliable and mature. This system can tell you the locations and conditions when it was alarming, directly to the phone screen in the most intuitive form of short message (in Chinese) or telephone. It also contains a time chip DS1302 to display the real time. Collecting the temperature use a temperature sensor DS18B20 to detect which made invisible temperature change to the visible display. With the display on the screen it is very Convenience to be detected. The equipment have had a high and low temperature processing system, it would processing the temperature when it was too high or too low on the equipment, so that working environments are safe.

Keywords：MCU, GSM module, Sensor.

目录

摘 要 I
ABSTRACT II
第1章  引言 1
1.1  课题背景和研究意义 1
1.1.1  课题背景 1
1.1.2  研究意义 2
1.2  研究内容 3
第2章  设计方案论证 4
2.1  温度传感器选择比较 4
2.2  显示模块的选择 5
2.3  GSM模块的选择 6
第3章  系统硬件设计 8
3.1  电源电路设计 9
3.2  TC35i模块电路设计 10
3.2.1  SIM卡电路 10
3.2.2  IGT点火电路 11
3.2.3  SYNC状态指示电路 12
3.3  单片机控制电路设计 12
3.3.1  液晶1602显示电路设计 14
3.3.2  时钟电路设计 15
3.3.3  E2PROM电路设计 16
3.3.4  DS18B20温度传感器电路设计 18
3.3.5  报警信号电路设计 18
3.3.6  按钮控制电路设计 19
3.4  系统总体电路图 20
第4章  系统软件设计 21
4.1  软件总体流程图 21
4.2  时间调整流程图 21
4.3  温度调整流程图 23
4.4  TC35i短信发送流程图 27
4.4.1  发短消息相关的AT指令 27
第5章  实验测试 31
5.1  电源部分测试与检测 31
5.2  开机检测 31
5.3  温度检测和液晶显示测试 31
5.4  蜂鸣器报警电路测试 31
5.5  按键功能设置测试 31
5.6  AT24C02存储电路测试 31
5.7  TC35i模块电路测试 32
5.8  系统联调 32
第6章  系统设计总结 33
致 谢 34
参考文献 35
附录1  原理图 37
附录2  PCB图 38
附录3  实物图 40
附录4  电子元器件清单 41

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