Pressure sensor based on air pressure detection

The utility model discloses a pressure sensor based on air pressure detection, which comprises a pressure sensor body, a binding post is fixedly arranged at the top end of the pressure sensor body, a breather pipe is fixedly arranged in the middle of the bottom end of the pressure sensor body, and a detachable mounting assembly is arranged at the top of the pressure sensor body. The mounting assembly comprises a first annular plate and a second annular plate, the first annular plate fixedly sleeves the top of the pressure sensor body, the second annular plate is arranged at the top of the first annular plate, and the top end of the first annular plate is connected with the bottom end of the second annular plate through four shock absorbers; the beneficial effects of the utility model are that through the cooperation of the first annular plate and the second annular plate of the installation assembly, the damping and buffering effects can be achieved under the effect of the damper, so that the pressure sensor