毕 业 设 计学生姓名: , 学 号: 学 院: 电气工程学院 专 业: 电气工程及其自动化 题 目: 基于单片机办公室用空气 净化器控制系统设计 指导老师: 评阅老师: 6 月毕 业 设 计 中 文 摘 要 伴随中国现代化进程脚步不停加紧,各地方 PM2.5 值居高不下。针对这一现象,本课题以 STM32 单片机为控制关键,首先对中国外空气净化器做了具体分析,给出了一个电压可调式办公室用空气净化器总体设计方案;其次,依据市场需求及方案可行性对比,对 MCU 最小系统单元、TFT_LCD 液晶显示模块、L298N 驱动模块、DHT11 温湿度传感器、SDS011 激光传感器进行了硬件电路设计,搭建了完整硬件平台;再次,基于嵌入式操作系统实行模块化编程方法,完成了对主程序、显示子程序、PWM 输出子程序、数据采集子程序、上位机控制台操作子程序等设计;最终,进行空气净化器整体测试,据试验结果可知,本设计实现了数据采集、触屏控制、档位选择、开关机设定、无线通信等功效。关键词 STM32 单片机 空气净化器 液晶显示 激光传感器 触屏控制毕 业 设 计 外 文 摘 要Title Design of Office Air Purifier Control System Based on Single Chip MicrocomputerAbstractWith the development of China's modernization pace continues to accelerate, the local PM2.5 value is very high . In view of this phenomenon , This paper uses STM32 MCU as control core,First of all domestic and international air purifier has done a detailed analysis,A voltage adjustable office with the overall design scheme of air purifier .Secondly,According to the market demand and the feasibility of scheme comparison , A minimum system of MCU unit,TFT_LCD liquid crystal display module,The L298N driver module,DHT11 temperature and humidity sensor , SDS011 laser sensor was designed , It has built a complete hardware platform.Again,The embedded operating system uses modular programming method based on , The completion of the main program, PWM display subroutine, output subroutine, data acquisition subprogram, PC co...