Smart piezoelectric type acceleration transducer with ultra-low phase difference

• Main Authors: LV JUN, DING ZHUSHENG, FANG YUANYONG, YE TONGLIN, YUAN YIZHENG, SONG HUI, YU HONGWEI
• Format: Patent
• Language: Chinese; English
• Published: 04.07.2012
• Subjects: INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT; MEASURING; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK; PHYSICS; TESTING

The utility model relates to an acceleration transducer, specifically discloses a smart piezoelectric type acceleration transducer with ultra-low phase difference. The smart piezoelectric type acceleration transducer comprises a micro charge amplifier, a Q/V conversion circuit, a first one-way isolating diode, a micro memorizer, a second one-way isolating diode, a switch, a first constant-current source and a second constant-current source; a sensitive element is connected with the input end of the Q/V conversion circuit in parallel, the output end of the Q/V conversion circuit is connected with the input of a micro piezoelectric amplifier, the output end of the micro piezoelectric amplifier is connected with a cathode of the first one-way isolating diode, and the first one-way isolating diode is connected with one contact of the switch; the input end of the sensitive element is connected with the input end of the micro memorizer, and the output end of the micro memorizer is connected with an anode of the sec