Fecha de publicación: 04/06/2021 Fuente: Wipo "IOT" A photovoltaic power station hot spot effect monitoring system comprises a photovoltaic power generation panel group, an RFID sensing tag group, an NB-IOT relay node, an NB-IOT gateway, a monitoring center and an inspection unmanned aerial vehicle, the photovoltaic power generation panel group is connected with the RFID sensing tag group, the RFID sensing tag group is connected with the NB-IOT relay node, the NB-IOT relay node is connected with the NB-IOT gateway, the NB-IOT gateway is connected with the monitoring center, and the NB-IOT gateway is connected with the inspection unmanned aerial vehicle. According to the invention, the detection accuracy can be improved, the labor cost can be reduced, and fault judgment and elimination can be quickly and effectively carried out on the photovoltaic array.