Online monitoring device for intelligent substation

The utility model relates to the technical field of intelligent substation on-line monitoring devices, and discloses an intelligent substation on-line monitoring device which comprises a shell, an air outlet is formed in the side wall of the shell, a moisture absorption plate is connected to the bottom of the shell in a sliding mode, moisture absorption holes are formed in the bottom of the inner wall of the shell, and a detection device body is fixedly connected to the interior of the shell. An isolation plate is fixedly connected to the inner wall of the shell, an air inlet is formed in the outer wall of the isolation plate, a drainage plate is fixedly connected to the outer wall of the isolation plate, and a fixing column is fixedly connected to the interior of the shell. According to the utility model, air can be blown into the shell through the fan, the flow rate of the air is increased, the temperature of the detection device body is reduced, the blowing direction of the air can be guided through the dr