Novel computer network line finder

The invention relates to a novel computer network line finder. The novel computer network line finder comprises a line finder body; the line finder body comprises a line finder housing; the novel computer network line finder further comprises a protective cover; the protective cover is a U-shaped plate; the opening end of the U-shaped plate is provided with a tail plate; the line finder body is placed in the recess of the U-shaped plate and is rotatably connected with the U-shaped plate through a rotating shaft; the U-shaped plate is further provided with two detachable partition plates whichcan limit the line finder body from rotating out from the U-shaped plate; a butt-joint opening is formed in the tail plate; the butt-joint opening is provided with an outer joint; ventilation holes are formed in the outer joint; a sound acquisition sensor, a circuit board and a loudspeaker are arranged inside the outer joint; the outer joint is provided with a switch button; the sound acquisitionsensor, the loudspeaker an