Fecha de publicación: 21/01/2020 Fuente: Wipo "IOT" The utility model provides a cable trench intelligent well lid with an antitheft function, the well lid comprises a well lid body, a narrowband Internet of Things NB-IoT wireless intelligent gateway and an NB-IoT antenna, the upper surface of the well lid body is provided with an annular groove, and the NB-IoT antenna is annularly arranged in the annular groove; the NB-IoT wireless intelligent gateway is arranged in the well lid body; an NB-IoT connecting line is arranged between the NB-IoT wireless intelligent gateway and the NB-IoT antenna, and the NB-IoT connecting line is arranged along the inner wall of the well lid body. According to the utility model, the NB-IoT wireless intelligent gateway and the NB-IoT antenna are arranged in the well lid body, monitoring information collected bythe NB-IoT concentrator arranged underground the cable trench is transmitted to the NB-IoT base station, and the problems that an existing cable trench is complex in environment, and cable trench communication quality is poor due to blocking of a cable trench well lid are solved.