设计简介：
项目名：鞋柜
项目编号：mcuclub-dz-151
单片机类型：STC89C52
具体功能：
1、通过DHT11检测鞋柜内温湿度，当湿度大于设置最大值，加热片进行加热干燥（加热过程中，温度大于设置最大值，停止除湿），并用另一个风扇进行排除潮湿空气
2、通过MQ-135检测鞋柜内氨气，过高时启动紫外线杀菌，风扇启动除臭
3、通过霍尔传感器检测检测鞋柜门是否打开，打开后，自动打开照明，并关闭紫外线杀菌
4、通过按键设置湿度最大、最小值、氨气最大值、按键可手动开关消毒灯、除湿（加热过程中，温度大于设置最大值，停止除湿）、通风、切换模式
5、通过LCD1602显示各测量值
总字数：15459
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基于单片机的智能鞋柜自动控制系统设计
摘要
当今社会对于智能家居系统的需求逐渐增加，本毕业设计旨在设计并实现一款基于STC89C52单片机的智能鞋柜自动控制系统。该系统通过集成多种传感器和控制模块，能够实时监测鞋柜内温湿度、氨气浓度以及门的状态，并根据检测结果自动进行加热、除湿、紫外线杀菌、通风等操作，以确保鞋柜内的鞋品保持干燥、清洁和舒适。系统的核心控制单元采用STC89C52单片机，通过编程实现各种功能模块的协同工作。具体功能包括：温湿度控制：通过DHT11传感器监测鞋柜内温湿度，当湿度超过设定最大值时，系统自动启动加热片进行干燥，并通过风扇排除湿气。在加热过程中，如果温度超过设定最大值，自动停止除湿操作，确保温度在安全范围内。氨气检测与处理：借助MQ-135传感器监测鞋柜内氨气浓度，当浓度异常升高时，系统自动启动紫外线杀菌操作，同时启动风扇进行除臭，保持鞋柜内空气清新。门状态检测：通过霍尔传感器检测鞋柜门的开闭状态，当门打开时，系统自动开启照明，同时关闭紫外线杀菌功能，提供良好的照明环境。用户交互与设置：系统通过按键实现湿度和氨气最大值的设定，用户可以手动控制消毒灯、除湿、通风等功能的开关，同时切换不同的工作模式，以满足不同需求。显示与反馈：LCD1602液晶显示屏实时显示鞋柜内温湿度、氨气浓度等测量值，同时显示当前工作状态和模式，为用户提供直观的反馈信息。本设计旨在提高鞋柜的智能化程度，提供便捷、舒适、卫生的使用体验。通过系统的设计与实现，将单片机、传感器和控制技术相结合，达到了智能家居系统的基本目标，为未来智能家居技术的发展提供了一定的参考与借鉴。
关键词：智能鞋柜；单片机控制；温湿度监测；氨气检测；自动控制系统；用户交互界面
Abstract
The increasing demand for smart home systems in today’s society has led to the aim of this graduation project: to design and implement an intelligent shoe cabinet automatic control system based on the STC89C52 microcontroller. This system integrates various sensors and control modules to real-time monitor the temperature, humidity, ammonia gas concentration, and door status inside the shoe cabinet. It automatically performs operations such as heating, dehumidification, ultraviolet germicidal irradiation (UVGI), and ventilation based on the detection results, ensuring the shoes inside the cabinet remain dry, clean, and comfortable.The core control unit of the system adopts the STC89C52 microcontroller, which programs the collaborative operation of various functional modules. Specific functionalities include:Temperature and Humidity Control: Using the DHT11 sensor to monitor the temperature and humidity inside the shoe cabinet, the system automatically activates the heating element for drying when the humidity exceeds the preset maximum value. A fan is used to expel moisture. During heating, if the temperature surpasses the preset maximum value, the dehumidification operation stops automatically to maintain a safe temperature range.Ammonia Gas Detection and Treatment: With the MQ-135 sensor, the system detects abnormal increases in ammonia gas concentration inside the shoe cabinet. In such cases, the system triggers UVGI and initiates the fan for deodorization, ensuring fresh air within the cabinet.Door Status Detection: Using the Hall sensor, the system detects the open/close status of the shoe cabinet door. When the door is opened, the system automatically activates the lighting and deactivates the UVGI function, providing proper illumination.User Interaction and Settings: The system allows users to set the maximum humidity and ammonia gas concentration values using buttons. Users can manually control the disinfection light, dehumidification, ventilation, etc., and switch between different operation modes to meet varying needs.Display and Feedback: The real-time display on the LCD1602 screen shows measurements such as internal temperature, humidity, ammonia gas concentration, and current operational mode. This provides users with intuitive feedback on the system’s status.This design aims to enhance the intelligence of the shoe cabinet, offering convenient, comfortable, and hygienic user experiences. By integrating microcontroller, sensor, and control technologies, the design achieves the fundamental goals of a smart home system. It serves as a reference and inspiration for the future development of smart home technology.
Keywords: Smart shoe cabinet; Microcontroller control; Temperature and humidity monitoring; Ammonia gas detection; Automatic control system; User interaction interface..
目录
基于单片机的多功能智能室内空气质量监测与控制系统 I
摘要 I
Abstract II
第一章 绪论 7
第二章 设计思路与方案选择 9
第三章 硬件设计 14
第四章 系统程序设计 25
第五章 实物测试 31
第六章 总结与展望 42
致谢 43
参考文献 44
附录 46