The Design Of Home Electricity Monitoring System Under Smart Grid

Home electricity supply management relates to residents’ vital interests. Residents pay toelectric company by the meter monthly, but cannot picture the consumption of electricityclearly, as well as the specific consumption of home electrical equipment. It results in the lackof science and rationality of power management in their daily life. Besides, due to the largenumber of home electrical equipment, which does not support the remote control, createsdifficulties to management of home electricity.With the development of smart grid, interaction information between company and userwill be published over the network, while users still cannot grasp the real-time priceinformation, offers, fault information, etc. These factors hinder the effective management ofresidents on home electrical equipment. Therefore, in view of the current domestic homeelectricity supply structure, the research of low-cost family electricity monitoring system is ofgreat significance.This article presents family electricity monitoring system solution under the smart gridthrough the analysis of the domestic home electricity supply situation and the difficultiesencountered in the implementation. Based on high performance single-chipPIC32MX460F512L of Microchip, combining with existing communication and the GUIdisplay technology, a suite of family electricity monitoring system is built with remote andindoor wireless communication.Firstly, by introducing the importance of home electricity supply management inresidents’ lives, with analysis of shortcomings of traditional management methods, featuresand advantages of the new monitoring method under the smart grid, this paper makes furtherresearch of home electricity supply management at home and abroad. By introducinghardware design method for intelligent display terminal, it gives a system hardware designscheme, and describes remote communication module, local communication module,temperature measuring circuits and memory circuits respectively. Then, it describes thesoftware design methods of intelligent display terminal, including program design ofmanagement module, transplantation of μC/GUI on PIC32MX460F512L, process ofintelligent display terminal interface design, and development of data communicationprotocols. Then, by studying the edge effects of touch-screen calibration technology, aimingat the factors that affect touch screen calibration, it builds the general calibration algorithm ofedge effects’ mathematical model, and an improved method of five-point calibration. Finally,it makes conclusions of the work done in this paper, and plans of the follow-up work. At present, the system hardware and software design have already been completed.System functions are composed of local control, remote control, remote feedback, graphicalinterface and touch-screen operation. Functions of smart grid electricity business andinteractive information platform will be perfected in later work.