毕业设计_基于51单片机的太阳能干燥温湿度检测设计new1.doc

编号 毕业设计(论文) 基于单片机的太阳能干燥温湿度检测系统的研究 Research on SCM system based on water-saving irrigation 学院名称 专业名称 学生姓名 学号 指导教师 201年6月2日 摘 要 PC 机为主的上位机信号分析处理部分和单片机与主机的通信部分三大方面的设计。 所做的主要工作如下： 1）以单片机为主的下位机部分设计。下位机系统以STC89C54 单片机为控制核心，采用16 路数字式温湿度传感器SHT10 完成干燥箱内16 处不同被测点的温湿度的采集，并将采集的温湿度数据实时显示在LCD1602液晶显示器中，完成了硬件电路的设计和软件程序设计。该系统设计了键盘模块和报警模块，在键盘模块中，设计了3个独立按键，对温湿度的阈值进行设置，当温度或湿度超出设定的阈值时，则发出报警信号。 2）以PC 机为主的上位机部分设计。上位机在VB环境下，利用图形化编程语言，开发了太阳能干燥温湿度数据采集系统，实现对干燥过程的数据采集、处理、存储、报警和实时监测的功能。 3）单片机与上位机通信系统的设计。用C语言设计单片机的串口通信软件，上位机采用VB编程语言设计了采集界面，并进行模拟测试，实现单片机与上位机的通信。 4）模拟仿真。对硬件电路和软件程序调试无误后，进行软硬件联合仿真，实时巡回检测16 路温湿度数据。仿真结果表明：该检测系统可以有效的进行数据采集，并且在一定程度上提高了检测精度，为进一步研究太阳能干燥温湿度检测提供参考依据。 关键词： Abstract In this paper, the current status of research solar drying temperature and humidity detection systems, measurement and control systems for the price of expensive, detection accuracy is not high, do not use the flexible features, measurement and control system is proposed digital temperature and humidity sensor based on a single-chip configuration program, research and design of the hardware circuit, completed the software design. The system uses modular design, including a microcontroller-based signal acquisition part of the next crew, the communication section of the three aspects of the design to the PC, PC-based signal analysis and processing section with the host microcontroller. The main work is as follows: 1) part of the next crew to the microcontroller-based design. Lower computer system STC89C54 microcontroller core, using 16 digital temperature and humidity sensor SHT10 completed within oven 16 temperature and humidity test different collection points, and the temperature and humidity data acquisition, real-time display in the LCD1602 LCD display, We completed the design and software design of hardware circuit. The system was designed keyboard module and alarm module, the keyboard module, designed three separate buttons on t