Water soluble organic carbon detection device based on double light sources

The utility model discloses a water soluble organic carbon detection device based on double light sources. The water soluble organic carbon detection device comprises an optical window, an ultraviolet irradiation light path, a laser irradiation light path, a light acquisition light path and a spectrum detection unit, wherein the optical window comprises a first window and a second window which are parallel and opposite in position; the ultraviolet irradiation light path is positioned on the outer side of the first window and is used for emitting ultraviolet light and emitting the ultraviolet light into a water body sample between the first window and the second window; the laser irradiation light path is used for emitting laser and irradiating the water body sample in the direction parallel to the first window so as to excite and generate fluorescence; the light collection light path is used for collecting ultraviolet light and fluorescent light emitted perpendicular to the second window and separating the ul