Security camera monitoring device

The utility model relates to a security camera monitoring device, and belongs to the field of electronic circuits. The device comprises a mounting frame and a protective shell, the protective shell is arranged on the mounting frame, and a camera device is arranged on the protective shell; an acquisition hole is formed in the protective shell, and a smoke alarm device is further arranged in the protective shell; the smoke alarm device comprises a smoke detection module, a control module and an alarm module. The smoke detection module is used for detecting the smoke concentration in the surrounding environment and outputting a smoke detection signal; a smoke detection signal input end of the control module is connected with a smoke detection signal output end of the smoke detection module, and the control module responds to a smoke detection signal to output a control signal; the control signal input end of the alarm module is connected with the control signal output end of the control module, and the alarm mod