Metering socket metering circuit

The utility model discloses a metering circuit of a metering socket. The metering circuit comprises a metering chip, an alternating current sampling circuit, an alternating voltage sampling circuit, acontroller and a communication circuit, the metering chip is connected with the alternating current sampling circuit and the alternating voltage sampling circuit. The communication circuit is connected with the metering chip and the controller. The communication circuit comprises a data sending circuit and a data receiving circuit; the data sending circuit and the data receiving circuit are connected between the controller and the metering chip; the data sending circuit comprises a receiving circuit, an isolating circuit and a transmission circuit; wherein the isolation circuit is connected between the receiving circuit and the transmission circuit, the receiving circuit is further connected with the controller, and the transmission circuit is connected with the metering chip. According to the utility model, hous