Distributed control system integrated power supply detection device

The utility model relates to the technical field of electronic circuits, in particular to a distributed control system integrated power supply detection device, which comprises a plurality of power supply detection ports, an MCU (Microprogrammed Control Unit), a temperature acquisition circuit and an IOBUS (Input/Output Bus) interface circuit, and is characterized in that each power supply detection port comprises an isolator, a signal processing circuit, a protection circuit and a voltage signal processing circuit; the voltage signal processing circuit is connected with a power supply to be detected and detects the voltage of the power supply to be detected, the voltage signal processing circuit is connected with the signal processing circuit through the protection circuit, the signal processing circuit is connected with the MCU through the isolator, the temperature acquisition circuit acquires the surface temperature of the power supply to be detected, the temperature acquisition circuit is connected with t