Intelligent kilo -watt -hour meter

The utility model provides an intelligent kilo -watt -hour meter contains alternating current signal sampling circuit, electric energy metering circuit, MCU owner control data administrative unit, temperature data collection circuit, RS485 communication circuit, relay protection circuit, alternating current signal sampling circuit and electric energy metering circuit, MCU owner control data administrative unit are consecutive, MCU owner control data administrative unit links to each other with temperature data collection circuit, relay protection circuit respectively, MCU owner control data administrative unit and RS485 communication circuit interconnect. The invention can single phase power, the three -phase electricity is dual -purpose, can also monitor voltage, electric current, power,power consumption and the cable temperature of 3 way single phase power consumers simultaneously, has greatly improved the monitoring way to can real -time detection, whether the current circuit of analysis exists the power c