Fixed laser methane telemetering holder

The utility model discloses a fixed laser methane telemetering holder which comprises a holder body, a laser methane telemetering device, an image acquisition device and an upper computer, the laser methane telemetering device comprises an optical transmitting assembly, an optical receiving assembly and a controller, and the optical transmitting assembly comprises a transmitter and a collimator. The optical receiving assembly comprises a light condensing mechanism and a detector, the collimator is arranged on the front side of the emitter, the light condensing mechanism comprises a light condensing reflecting mirror, an aspherical lens group and an optical filter which are coaxially arranged, the light condensing reflecting mirror is a polished aluminum reflecting mirror, the front end face, facing the detector, of the light condensing reflecting mirror is a concave surface, and the front end face, facing the aspherical lens group, of the light condensing reflecting mirror is a convex surface. And the detecto