Research On Lighting Control System For Energy-saving In College Classroom

At present,the lighting equipment are used by the student’s autonomous management or by the mode of personal management in most of the domestic college’s classroom,waste on campus has become a serious problem.We can easily see that the light are on all day,there is no person or only one person but all the lights are on.In response to the national call of further promoting the work of the energy-saving and emission reduction,and in order to make the construction of conservation-minded campus into effect 、into details、in-depth,it has important application value to research and realization the lighting control system for electricity-saving in college’s classroom.In this paper,aiming at the problem of serious waste of energy in the classroom lighting,a lighting energy saving control system is designed and implemented.The system mainly includes several classroom’s control units,campus network communication system and control center.Among them,the classroom’s control unit is composed of many kinds of terminal nodes and unit controller,the terminal node sends the collected data to the unit controller through 2.4G radio frequency communication.After analyzing and processing,the unit controller transmits the instruction to the terminal node to carry out the operation of the switching lamp.The classroom’s unit controllers and the control center based on school LAN to communication,which adopted wired bus distribution to realize the interaction between the bus data signal and the unit controller’s signal,it is stable and reliable and avoids the trouble of rewiring.The control center realizes the condition monitoring,real-time control and information management of the classroom through the visual interface.Classroom by using the method of sub-regional control to overcome the problem of opening up the extra light because of students dispersed seating;the system used multi-mode control strategy to further meet the needs of classroom’s multi-purpose and make the system operation more flexible and user-friendly;joined the number of thresholds,it can control the number of lamps according to the use of the classroom and the number of people in the classroom;added the light intensity opened lower limit and the closure of the upper limit,which effectively avoids the system’s disorder caused by the light intensity is higher than the lower limit after the light is turned on.In this system’s hardware module,this paper has mainly completed the classroom’s control unit including various types of terminal nodes and unit controllers.The whole system has the advantages of low power consumption,low cost,simple operation and strong practicability.It can overcome the shortage of manual management,realize the fine energy saving and save energy.