Image acquisition device

The utility model provides an image acquisition device and relates to the technical field of chemical component analysis. The image acquisition device comprises a shell assembly, a light source assembly and an acquisition assembly, the shell assembly comprises a base and a cover body movably arranged on the base. An accommodating cavity for placing a sample container is formed between the base and the cover body; the shell assembly is provided with a light outlet hole communicated with the containing cavity. The light source assembly is arranged in the containing cavity and used for providing light needed by image acquisition. The collecting assembly is arranged on the shell assembly and used for collecting light of the sample container through the light outlet hole. The base and the cover body are combined to form the containing cavity for containing the sample container, the structure is simple, and maintenance is convenient. According to the acquisition assembly of the embodiment, the image is acquired thr