Fault analysis function system based on distribution network graph model management system

The utility model relates to the field of power distribution detection, and particularly discloses a fault analysis function system based on a distribution network graph-model management system, which comprises a fault detection mechanism, a DTU data module is arranged on the upper surface of the fault detection mechanism, a DSP module is arranged below the DTU data module and located in the fault detection mechanism, and the DSP module is connected with the DTU data module. One side of the DSP module is connected with a protection resistor, a grounding wire through hole is formed in the position, located on the upper surface of the fault detection mechanism, of one side of the DTU data module, and an alarm is installed on the lower surface of the fault detection mechanism. The detection mechanism is installed at the wiring position of each cable column of the power distribution network, when one-way grounding occurs in any section of line, the detection mechanism can send out a fault signal to remind a worke