"基于单片机的室内照明节能控制系统设计"

"Based on AT89C51 microcontroller lighting control system design.pdf" focuses on addressing the issue of energy waste in everyday life, specifically in indoor lighting. Despite high levels of natural light during the day, it is common for individuals to still use artificial lighting. This results in unnecessary energy consumption and contributes to the overall problem of energy waste. The paper proposes a solution utilizing passive infrared sensor technology to detect human presence and body temperature. When a person enters the sensor's detection area, the infrared sensor measures the temperature difference between the person and the room, transmitting this data to the signal processing system. This information is then used to control the driving circuit and ultimately control the lighting system in the room. By employing a microcontroller to monitor the number of people in the room and the ambient light levels, the system can automatically adjust the lighting according to the specific needs at any given time. By implementing this intelligent lighting control system, the paper argues that it can effectively eliminate the problem of energy waste associated with unnecessary lighting usage. Additionally, it is emphasized that this system not only benefits the environment by reducing energy consumption but also has significant economic value. In conclusion, through the integration of microcontroller technology, passive infrared sensors, light sensors, and energy-efficient lighting control, the proposed solution offers a practical and effective way to address the energy waste issue in indoor lighting scenarios."