Pressure sensor

The utility model discloses a pressure sensor. The pressure sensor comprises a shell, a sensor body and a conduction unit, the shell is provided with a pressure conduction cavity, a cavity opening and at least one sensing channel, wherein the cavity opening and the sensing channel are communicated with the pressure conduction cavity at different ends of the shell respectively. The pressure sensor comprises a circuit board and a sensing chip attached to the circuit board, the circuit board is arranged in the shell to seal the cavity opening of the shell, and the sensing chip is kept in the pressure conduction cavity of the shell. The conduction unit comprises a deformable sealing element and an insulated conduction fluid, the sealing element is arranged in the shell to seal the at least one sensing channel of the shell, and the sealed pressure conduction cavity is filled with the conduction fluid; and the sensing surface of the sensing chip is in contact with the conductive fluid. 本实用新型公开了一压力传感器，其包括一壳体、一传感器本体以