Visible-near infrared light machine structure applied to fire monitoring

The utility model discloses a visible-near infrared optical machine structure applied to fire monitoring, which belongs to the technical field of fire monitoring devices and comprises a camera support, a lens, an optical filter switching mechanism, a detector and a motor. Wherein the optical filter switching mechanism comprises a fan-shaped turntable, optical filters and a fixing device, the fan-shaped turntable is provided with two symmetrical mounting holes, the optical filters are fixedly mounted in the mounting holes through optical filter pressing rings, and the fixing device is used for fastening the optical filter switching mechanism and a motor rotating shaft. The optical filter switching mechanism is fixedly arranged on the camera frame, the optical filter comprises a visible optical filter and a near-infrared optical filter, two symmetrical limiting structures are further fixedly arranged on the camera frame, the limiting structures are located on the two sides of the optical filter switching mechan