Piezoelectric ceramic chip for sensor

The utility model relates to the technical field of piezoelectric ceramics, in particular to a piezoelectric ceramic tile for a sensor, which comprises an insulating base, a piezoelectric ceramic tile body is arranged on the insulating base, a fixing structure is arranged on the insulating base and comprises a pressing ring and a first knob, the pressing ring is arranged at the top end of the insulating base, and the first knob is arranged at the top end of the insulating base. The pressing ring is fixedly connected with a plurality of first positioning grooves, the insulating base is provided with first positioning blocks, the number of the first positioning blocks is equal to that of the first positioning grooves, the first positioning blocks extend into the first positioning grooves, the pressing ring is provided with a plurality of first knobs, and the first knobs penetrate through the pressing ring and are in threaded connection with the insulating base. The bottom end of the pressing ring abuts against