Intelligent security monitoring device

The utility model discloses an intelligent security monitoring device, which comprises a shell, a mounting rack, a high-definition camera, a common camera, a battery and a charging circuit, and is characterized in that the high-definition camera and the common camera are respectively mounted on two sides of one end of the bottom in the shell through the mounting rack; the high-definition camera and the common camera each comprise a power connection terminal located at one end, a servo motor is installed at the position, close to the center, of the bottom in the shell through a fixing base, the power output end of the servo motor is connected with a driving shaft, and a metal connecting arm is arranged on the outer side of the driving shaft; and one end of the metal connecting arm is connected with an electrode column of the battery through a wire. The intelligent monitoring device is provided with a mechanism capable of actively sensing personnel passing signals and automatically improving the monitoring imag