Ultrasonic transducer ring array based sound field synthesis and parallel operation device

Abstract

The invention discloses an ultrasonic transducer ring array based sound field synthesis and parallel operation device which comprises an ultrasonic transducer ring array set connected with a multi-channel high-frequency broadband linear power amplifier module; the ultrasonic transducer ring array set comprises a circular chassis, clamp slot blocks and rectangular ultrasonic transducers, eighteen installing grooves are uniformly distributed on the outer periphery of the circular chassis with certain intervals, a through hole is arranged at the center of each installing groove, eighteen clamp slot blocks are arranged on respective installing grooves, and clamp slots are arranged on the two sides of each clamp slot block; a rectangular ultrasonic transducer is arranged between adjacent two installing grooves, and the two sides of the rectangular ultrasonic transducer are clamped in the clamp slots; and each rectangular ultrasonic transducer comprises two L-shaped copper foils, an aluminum balk board and an rectangular piezoelectric ceramic piece. According to the device, ultrasonic signals are generated by the ultrasonic transducer ring array set, and an expected sound field is synthesized by using a sound field synthesis technology and adjusting corresponding sound signal parameters, so that the parallel operation of multiple micro-nano scaled objects is realized.

Description

technical field [0001] The invention relates to a sound field synthesis and parallel manipulation device, in particular to a sound field synthesis and parallel manipulation device based on an ultrasonic transducer circular array. Background technique [0002] With the continuous and in-depth development of science and technology, the field of human research has gradually shifted from the macrocosm to the microcosm. Especially in recent years, the rapid development of micro-nano manufacturing technology and life science technology has clearly shown people a brand new micro world, providing ideal research objects and exciting engineering application backgrounds for basic science research. However, no matter in the field of micro-nano manufacturing or in the field of life sciences, effective manipulation of research objects is required, especially effective non-contact and non-destructive manipulation. Not only that, with the continuous deepening of research in the microscopic...

AI Technical Summary

Problems solved by technology

[0004] It is based on the defects and shortcomings that the existing ultrasonic manipulation technology cannot realize complex sound field synthesis and parallel manipulation of multiple micro-nano-scale objects. The present invention proposes a sound field synthesis and parallel manipulation device based on a circular array of ultrasonic transducers. The ultrasonic transducer ring array group generates ultrasonic signals, and uses the ultrasonic sound field synthesis theory to realize the required sound field synthesis, and forms the expected sound field by changing the parameters of the ultrasonic signal, and realizes the flexible compounding of multiple micro-nano scale objects in the sound field Parallel Acoustic Steering Devices

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