Design And Realization Of Intelligent Lighting System Based On Wireless Sensor Network

Society and economy is developing at a high speed due to the progress of science and technology, people are continuously improving the requirement of living quality,the new breakthroughs and progresses were made in informatization, intellectualization and automation technology, Combination of the high efficiency renewable energy sources and intelligent lighting system make the energy-saving intelligent lighting system possible and become a trend.The lighting system on the foundation of power supplied by solar energy, through the research and design of intelligent lighting system based on wireless sensor network, the new type household lighting system develop based on concepts of "environmental green energy supply, high efficiency energy saving, intelligent wireless control". Electric energy supply by photovoltaic solar power, energy storage by accumulator, adjust elevation angle and direction angle of the solar panels by sun automatic tracking system, implement the solar panels automatic tracking the sun, to attain the goal of maximize use solar resources and improvement of photovoltaics energy conversion efficiency, when the solar power being insufficient switch the lighting system electric supply mode automatically. The exploitation of intelligent lighting system based on ZigBee wireless sensor network, intelligent lighting system control switch status in the form of wireless network, monitoring photovoltaics output voltage and current, the operative mode of lighting end-points, the condition illumination intensity at control center. The application of LED lamp so that the lighting system more energy-efficient.The intelligent lighting system adopt ZigBee wireless network to realize data transmission, wireless monitoring, control and management between the different nodes. The paper concrete analysis constituent and node type of ZigBee equipment, the topology of network and the framework of protocol stack, by the calculate of the sun motion locus design of sun automatic tracking system controlled by single-chip, MCU Control the stepping motor to adjust elevation angle and direction angle of the solar panels to realize the purpose of tracking the sun. Choose CC2430 SOC realize the circuit module design of wireless network, the design of function and auxiliary part of the circuit such as power supply module, input and display control circuit module, sensor circuit module, servo motor module, real-time clock/calendar IC module to realize the function of lighting system requirements. At last of this paper introduces the software design procedure of control center, LED switch node, sun automatic tracking system.Intelligent lighting system based on ZigBee wireless sensor network and combining with sun automatic tracking system has a important reality significance to implement the intelligent and energy saving smart home lighting system.