Gas optical detection device

The utility model relates to an optical gas detection device, and relates to the technical field of gas detection devices, the optical gas detection device comprises a degasser, a hollow optical fiber, a light source, a detector, a sucking pump and a constant temperature system, the light source and the detector are respectively arranged at two ends of the hollow optical fiber, and detected gas separated by the degasser flows in from one end of the hollow optical fiber; the light source emits infrared light, the infrared light is received by the detector after penetrating through the hollow optical fiber, the sucking pump is communicated with the hollow optical fiber and used for driving detected gas to penetrate through the hollow optical fiber, and the constant temperature system is used for adjusting the working temperature of the detector to be within a preset range. The gas detection device has the effect of improving the gas detection convenience. 本申请涉及一种气体光学检测装置，涉及气体检测装置的技术领域，其包括：脱气器、空心光纤、光源、探测器、抽气泵和恒温