Diode monitoring device used for enhanced direct-current dual-power supply power distribution cabinet

The utility model discloses a diode monitoring device used for an enhanced direct-current dual-power supply power distribution cabinet. The enhanced direct-current dual-power supply power distribution cabinet comprises two direct current power supplies and two diodes, and the two direct current power supplies are respectively connected with a load via a diode. The diode monitoring device comprises a single chip microcomputer system and two diode state monitoring circuits, wherein the two diode state monitoring circuits are isolated mutually and are respectively used for detecting one of the two diodes; the diode state monitoring circuit is used for detecting current, voltage drop and cathode voltage of the diode and outputting the detected signals to the single chip microcomputer system; and the single chip microcomputer system is used for judging states of the diode of the feeder branch according to the detected signals. the technical scheme of the utility model meets various regulations in dual-configuratio