Piezoresistive differential pressure sensor core circuit compensation board

• Main Authors: JIANG PENG, CAO LISONG, YU TONGFEI, GUO ZHENGFANG, CAO QINGQING
• Format: Patent
• Language: Chinese; English
• Published: 23.11.2021
• Subjects: MEASURING; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE; PHYSICS; TESTING

A piezoresistive differential pressure sensor core circuit compensation board disclosed by the present invention comprises an upper layer circuit board and a lower layer circuit board, the upper layer circuit board and the lower layer circuit board are both provided with circuits, the outer sides of the circuits are both provided with arc-shaped grooves, and the upper side of the upper layer circuit board is uniformly provided with connecting devices. The connecting devices and the arc-shaped grooves are arranged in a one-to-one correspondence mode, each connecting device comprises a rotating seat and a positioning block, a rotating shaft is rotationally connected to the rotating seat, a connecting rod is fixedly connected to the rotating shaft, one end of the connecting rod is fixedly connected with an arc-shaped rod, an inserting hole is formed in one side of the positioning block, and when the rotating shaft rotates, the arc-shaped rod can be inserted into the inserting hole. The compensation board has the