Electric power sensor

The invention discloses an electric power sensor, and relates to the technical field of detection sensing. The electric power sensor comprises a power circuit, a sampling circuit, a metering circuit,a main control circuit and a communication circuit. The communication circuit comprises long range radio (LoRa). The electric power sensor has the advantages that the LoRa is used for communication, the electric power sensor can be in networking with other electric power sensors through a wireless grid networking function of the LoRa, and accordingly, long-range efficient data reading, rapid networking and low power consumption are realized. 本发明公开了一种电力传感器，涉及检测传感技术领域。该电力传感器包括：电源电路、采样电路、计量电路、主控电路和通讯电路；通讯电路包括远距离无线电(Long Range Radio，LoRa)。本发明的电力传感器采用LoRa进行通讯，可以利用LoRa的无线网格网络组网功能与其他电力传感器组网，实现长距离、高效率的数据抄读，且组网迅速，功耗较低。