Fecha de publicación: 10/12/2021 Fuente: Wipo "IOT" The utility model discloses a measuring system based on a distributed optical fiber sensor, and relates to the technical field of track detection, the measuring system comprises a distributed optical fiber sensor, a strain tester, an NB-IOT acquisition module, an NB-IOT antenna, an NB-IOT base station and a monitoring module, the distributed optical fiber sensor, the strain tester, the NB-IOT acquisition module, the NB-IOT antenna, the NB-IOT base station and the monitoring module are connected in sequence; according to the device, the NB-IOT acquisition module, the NB-IOT antenna and the NB-IOT base stations are arranged, and a wireless communication module is arranged in the NB-IOT acquisition module, so that the insufficiency of the communication function of the NB-IOT module in a closed area with poor signals can be made up, and the problem of weak data transmission signals between the NB-IOT base stations is solved; and a storage battery is arranged for power supply, so that the problem of complicated field wiring caused by power supply wire dragging is avoided, and underground track measurement projects are facilitated.