Intelligent high-voltage direct-current array cabinet monitoring system

The utility model relates to an intelligent high-voltage direct-current array cabinet monitoring system. The monitoring system comprises a main controller, at least one master collector connected with the main controller, and at least one branch collector. The main controller comprises a main control chip (U4), a drive circuit of the main control chip, and at least two communication circuits which are respectively communicated with the master collector, the branch collector and an external upper computer. The master collector comprises a master control chip (U2), the drive circuit of the master control chip, and the communication circuit communicated with the main controller. The branch collector comprises a branch control chip (U7), the drive circuit of the branch control chip, and the communication circuit communicated with the main controller.