The utility model provides a lower annular
light source structure of
microscope belongs to
microscope technical field, including
microscope main part, objective, bottom plate, bottom plane
light source, lower annular
light source structure, lower annular light
source structure includes annular
metal fixed disc, center hole B,
light guide plate, LED patch lamp, circuit board, shell, brightness adjusting twist, illumination mode adjusting twist and illumination position adjusting twist, and the periphery of annular
metal fixed disc is protruding upward, and the periphery upper end of annular
metal fixed disc is fixedly connected with bottom plate, and center hole B,
light guide plate, LED patch lamp and shell are sequentially arranged between bottom plate and annular metal fixed disc from center to periphery, lower annular light
source structure still includes brightness adjusting twist, illumination mode adjusting twist and illumination position adjusting twist, lower annular light
source structure and bottom plane light source form double -
deck illumination light source, the utility model has the advantages of: the object on stage has the light source from below simultaneously also has the light source of side, makes the
deep structure of complex article can be observed clearly.