▎ 摘　　要

NOVELTY - The utility model claims a graphene photoelectric detector, comprising a main body; the main body is a rectangular cavity; one end side wall of the main body is provided with a probe head; the inner surface of the probe part is rotatably provided with a probe; the probe is located at one end outer surface of the main body outer surface fixedly connected with the arc-shaped rack; the inner surface of the main body is rotatably provided with a first adjusting gear; the first adjusting gear is engaged with the arc-shaped rack; the outer surface of the first adjusting gear fixedly connected with a second adjusting gear; the side wall of the main body is provided with a rotating shaft; one end of the rotating shaft is located in the main body fixedly connected with a worm; The utility model is provided with an arc-shaped rack on the probe; the first gear drives the arc rack to move, so as to control the probe to swing; the second gear is set on the first gear; the worm drives the second gear to rotate, so as to realize the precise adjustment of the probe; at the same time, it has self-locking function; after adjusting, there is no need to lock.