Ultrasonic drive circuit and ultrasonic flow velocity monitor

• Main Authors: QIU MENGCHUN, FENG YUXUAN, YU ZHIWEI, YU JUNKU, JIANG FAMING, JIN DONGMEI, TANG HUAIWU, WEN ZUOLE, XIA FENGQIANG
• Format: Patent
• Language: Chinese; English
• Published: 11.10.2022
• Subjects: INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT; MEASURING; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PHYSICS; TESTING

The invention belongs to the technical field of ultrasonic detection, and particularly relates to an ultrasonic driving circuit and an ultrasonic flow velocity monitor. The ultrasonic drive circuit comprises a single-chip microcomputer; the primary driving circuit module is connected with the output end of the single chip microcomputer and is externally connected with a digital power supply; the secondary driving circuit module is connected with the output end of the primary driving circuit module and is externally connected with an analog power supply; the grid electrode of the MOS tube is connected with the output end of the secondary driving circuit module, and the source electrode of the MOS tube is grounded; a primary coil of the transformer is respectively connected with a drain electrode of the MOS tube and the current-limiting divider resistor, and the current-limiting divider resistor is externally connected with an analog power supply; and the secondary coil is connected with a load. The ultrasonic