基于51单片机的无线测温系统的设计.doc

海事大学
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毕 业 论 文
　
　　
二○一四年六月
基于 51 单片机的无线测温系统的设计
专业班级： 通信工程1班
姓 名： 杜嘉麟
指导教师： 作洲
信息科学技术学院
摘 要
温度是日常生活中必不可少的重要参数。在日常生活中有许多时候我们都离不开温度的测量。简单的温度计已经不能满足一些特定情况下的温度测量，尤其在某一些环境恶劣的工业场所和户外场所，在这种情况下再使用传统温度计测量温度是不切实际的。所以无线测温系统的开发与设计便显得异常重要。
当下一些无线温度测量系统已得到开发和设计，但因其高昂的成本导致其还没有普及到日常生活当中。在实际测温过程中既要保证系统的准确性、稳定性、实时性又需要保证产品的低功耗，操作简单。因此设计一种低功耗，小成本，易使用的无线测温系统就显得很有意义。本次设计利用STC89C52型号的单片机控制DS18B20型号的温度传感器来实现无线测温系统的设计。通过简单的无线通信协议，实现高可靠性与低功耗，小成本的无线测温系统的设计。本次设计能实现对温度的远程检测。小成本、低功耗、即时性的无线测温系统是本次设计的最大特点。本次设计的无线传输模块采用的型号是NRF24L01。
该系统结构简单，性能可靠，功耗较低，成本低廉，提供了一种新型的无线传感器的解决方案。
关键词：51单片机；无线测温；无线传输模块
Abstract
Temperature is the essential parameter in daily life, which is often to need measure. The traditional thermometer can not meet the temperature measurement of the specific circumstances, especially in some of the harsh industrial space and outdoor space, where the measurement is unrealistic. So the development and design of wireless temperature measuring system is very important.
Many wireless temperature measurement systems have been developed so far, however, high cost stops the systems wildly applied in our daily life. In the actual measurement process it is necessary to ensure the stability of the system, the real-time and the low power consumption. So the design of a low power and low cost wireless temperature measuring system is of great significance. Some temperature sensors, model DS18B20, are controlled by SCM, type STC89C52. These devices constitute the measurement and control system. Using simple wireless communication protocol, a high reliability, low power consumption and low cost system is designed, which can realize remote detection of temperature. Low cost, low power consumption, real-time and remote control are focuses of this design. The wireless transmission module used in this system is NRF24L01.
This system has advantages of