The Design of Smart Power Meter Based on ARM9 Microprocessor

摘要

Aiming at the disadvantages accuracy, great loss and unstableness by electronic power meter, the smart meter system based on ARM9 microprocessor was designed. Hardware circuit mainly includes the power acquisition module, data storage module, power module and two-way communication module. Electric meter software using the simplified Linux2.6.30 version of embedded system, meanwhile, procedure code written for various modules driver and application in Linux platform. Smart meter control panel using Qt/Embedded graphic development tools shows the user information on current electricity consumption and electricity rates. Experiment proved that the smart meter with high reliability solved the existing defects of electronic watt-hour meter, and had wide application.