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设计简介：
项目编号：mcuclub-dz-314
设计简介：
项目名：台灯
项目编号：mcuclub-dz-314
单片机类型：STC89C52
具体功能：
1、通过超声波检测台灯到人的距离
2、通过光敏电阻检测光照值
3、当距离值小于设置最大值，则证明有人在台灯前，此时如果光照小于设置最大值，则打开灯光，在最大值和最小值之间，根据光照值自动调节光亮度，当小于设置最小值，则调整为最大亮度
4、通过DS18B20检测温度值
5、通过DS1302获取时间，可通过按键修正时间
6、通过按键可设置各阈值，手动调节灯亮度、切换模式
7、通过LCD1602显示屏显示测量值
总字数：15902
基于单片机的智能调光台灯设计
摘 要
随着科技的不断进步和人们生活水平的提高，家居照明逐渐从单一的照明功能转变为能够提供更多智能化和个性化服务的领域。传统的台灯仅仅提供了简单的光照功能，无法满足人们对于舒适、节能、智能化的照明需求。因此，设计一种基于单片机的智能调光台灯具有重要的研究意义和实际应用价值。此次一种基于STC89C52单片机的智能调光台灯设计。该台灯结合了超声波传感器、光敏电阻、温度传感器DS18B20以及实时时钟模块DS1302，通过精心设计的算法和用户界面，实现了智能化的光照调节和信息显示。在该设计中，超声波传感器用于检测台灯与人体之间的距离。光敏电阻用于感知环境光照强度。当超声波传感器检测到距离小于预设最大值且光照强度低于设定最大值时，台灯自动开启。在最大亮度和最小亮度之间，根据环境光照强度自动调节光亮度。若光照强度低于设定最小值，则台灯调整为最大亮度，以确保充足的照明。另外，温度传感器DS18B20用于监测环境温度。实时时钟模块DS1302获取当前时间，并且用户可以通过按键对时间进行修正。用户还可以通过按键设置各种阈值，手动调节灯的亮度以及切换不同的工作模式。最终，LCD1602显示屏用于显示测量到的各项数值，包括人体距离、光照强度、温度和当前时间。通过这些功能的有机组合，设计实现了一个智能化、多功能的调光台灯系统，提升了用户的使用体验。通过本论文的研究，我们验证了该基于单片机的智能调光台灯系统在节能和人性化方面的优势，为家居照明领域的智能化设计提供了一种可行的解决方案。
关键词：智能台灯；距离检测；光照检测；自动调光功能；温度和时间监测
Abstract
With the continuous advancement of technology and the improvement of people’s living standards, home lighting has gradually evolved from a simple illumination function into a domain capable of providing more intelligent and personalized services. Traditional desk lamps merely provide basic lighting functionality and fail to meet the growing demand for comfortable, energy-efficient, and intelligent lighting solutions. Therefore, the design of an intelligent dimmable desk lamp based on a microcontroller holds significant research significance and practical application value.In this context, a design of an intelligent dimmable desk lamp based on the STC89C52 microcontroller is presented. This desk lamp integrates ultrasonic sensors, photosensitive resistors, DS18B20 temperature sensors, and DS1302 real-time clock modules. Through carefully crafted algorithms and user interfaces, it achieves intelligent light intensity adjustment and information display. In this design, the ultrasonic sensor is employed to detect the distance between the desk lamp and the human body, while the photosensitive resistor detects the ambient light intensity. When the ultrasonic sensor detects a distance less than the predetermined maximum value and the light intensity is below the set maximum value, the desk lamp is automatically turned on. The light intensity is adjusted automatically between the maximum and minimum levels according to the ambient light intensity. If the light intensity falls below the set minimum value, the desk lamp adjusts to maximum brightness to ensure adequate illumination.Furthermore, the DS18B20 temperature sensor is used to monitor the ambient temperature, and the DS1302 real-time clock module provides accurate time information. Users can manually adjust the time using buttons and set various thresholds to customize the brightness of the lamp and switch between different operating modes.
Ultimately, an LCD1602 display screen is employed to present various measured values, including human distance, light intensity, temperature, and current time. Through the harmonious integration of these functions, the design realizes an intelligent and versatile dimmable desk lamp system that enhances the user experience. Through the research presented in this paper, we verify the advantages of this microcontroller-based intelligent dimmable desk lamp system in terms of energy efficiency and user-friendliness. This provides a viable solution for the intelligent design of home lighting, contributing to the field of smart home illumination.
Keywords: Intelligent desk lamp; Distance detection; Light intensity detection; Automatic dimming functionality; Temperature and time monitoring.
目 录基于单片机的智能调光台灯设计
摘 要
Abstract
1.绪论
1.1 研究背景及其研究意义
1.2 国内外研究现状
1.3 研究目标和组织结构
2.系统方案设计
2.1 整体方案设计
2.2 主要器件选型选择
2.2.1 主控芯片方案选择
2.2.2 距离监测方案选择
2.2.3 光照监测方案选择
2.2.4 环境温度监测方案选择
3.硬件电路设计
3.1 单片机最小系统
3.2 超声波检测模块
3.3 光照强度监测模块电路
3.4 环境温度监测模块电路
3.5 时钟模块电路
3.6 显示模块电路
3.7 LED照明模块电路
3.8 独立按键模块电路
4 系统程序设计
4.1 编程软件介绍
4.2 系统主流程设计
4.3 独立按键
4.4 A/D模数转换子流程
4.5 时钟模块子流程
4.6 LCD1602液晶显示子流程
4.7 温度检测模块子流程
5.仿真调试
5.1 仿真总体设计
5.2 距离检测模块仿真测试
5.3 按键控制开灯开关仿真测试
5.4 时间设置仿真测试
6.实物调试
6.1 实物总体设计
6.2 距离检测模块实物测试
6.3 按键控制开灯开关实物测试
6.4 时间设置实物测试
总结与展望
参考文献
致谢
附录
附录A：原理图
附录B：PCB
附录C：程序