Temperature on-line monitoring device for regulating transformer

The utility model belongs to the technical field of optical fiber temperature measurement, and discloses a regulating transformer temperature on-line monitoring device, which is characterized in that a photoelectric processing module is used for providing hardware support; the communication management module is connected with the photoelectric processing module and is used for managing and controlling operation and communication of the photoelectric processing module; the plastic optical fiber is inserted into the photoelectric processing module and is used for realizing signal output of the photoelectric processing module; and the optical fiber butt joint device is connected with the plastic optical fiber, realizes concentric butt joint of the plastic optical fiber and the silica optical fiber, and is used for providing a medium for signal transmission. According to the utility model, the real-time temperature of an easily-heated hot spot in the voltage regulating transformer can be directly measured, the ho