▎ 摘　　要

NOVELTY - The utility model claims a high-sensitivity graphene pressure sensor, comprising a detection main body and a metal connecting pipe, the detecting main body wall is integrally formed with the metal connecting pipe; the detecting body are connected with the metal connecting pipe, the detecting body on the annular lug boss screw thread connected with a maintenance cover, inner side of the maintenance cover is fixed on the surface of electrode, the electrode is provided with two, and the other part is the electrode located at the bottom end of the side detection The; is provided with a maintenance cover; film of annular barrel shape, elastic cotton, electrode, power supply and current detecting main body, which is convenient for avoiding film with large fluid impact is damaged, is provided with ring, a filter barrel and a limiting bump, to avoid after using for a long time, there is a certain change of film deformation, affect the sensitivity of the film.