Piezoelectric passive acceleration sensor
An acceleration sensor, piezoelectric technology, applied in the direction of using inertial force for acceleration measurement, etc., can solve the problems of high requirements for subsequent demodulation circuits, poor linearity of sensors, and difficult processes, etc., to improve the working temperature range and frequency range Wide, dynamic range effects
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[0013] In order to better illustrate the present invention, it will be described in detail below in conjunction with the accompanying drawings.
[0014] Please also see figure 1 and figure 2 The piezoelectric passive acceleration sensor of the present invention includes an end cover 1, two mass blocks 2 with the same mass, two piezoelectric sheets 3 with the same performance, four identical insulating sheets 4, a base 5, a housing 6, Wire 7, circuit board 8, aviation plug 9. Wherein, the piezoelectric sheet 3 is a sensitive piezoelectric material, the insulating sheet 4 is bonded at both ends, and then symmetrically bonded to both sides of the base 5, and the quality block 2 is symmetrically bonded outside the insulating sheet 4, and the piezoelectric sheet 3 The electrodes are connected with the wire 7 between the circuit board 8 , and the circuit board 8 is connected with the aviation plug 9 (aviation plug and socket) through the wire 7 . The end cover 1 and the housing ...
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