To realize non-destructive diameter sorting of the inertial confinement fusion (ICF) microspheres, a novel standing waves piezoelectric sorting device is proposed in this study. Six piezoelectric plates and a container constitute the proposed device. The piezoelectric plates are used to excite the standard second-order bending vibration mode and the non-standard fourth-order bending vibration mode of the container, respectively, thereby two standing waves are produced in the liquid inside the container. Adjusting the working sequence and working duration of the two standing waves to realize the sorting of the ICF microspheres with different diameters. First, the distribution characteristics of the acoustic field produced by the vibration mode are theoretically analyzed. Then, the finite element method is used to analyze the vibration modes of the proposed device and the induced acoustic fields, optimize its dimensions, and verify the feasibility of the proposed sorting principle. In addition, vibration tests are performed on the prototype of the proposed device to analyze its vibration characteristics. Finally, an experimental platform is built to conduct the manipulation and sorting tests for the ICF microspheres. Experimental results show that the maximum average velocities of the ICF microsphere driven by the two vibration modes are 1.49 mm/s and 3.93 mm/s, respectively. And the difference in moving velocity caused by the difference in their diameter is significant. By controlling the excitation signals, the ICF microspheres with diameters of 480 μm and 680 μm can be effectively sorted within 13 seconds. The proposed standing wave piezoelectric sorting device holds the advantages of non-contact, non-destructive, cross-scale manipulation, and easy manufacturing, presenting the potential application for sorting the ICF microspheres and improving the detection efficiency.

为了实现惯性约束聚变（ICF）微球的非破坏性直径分选，本研究提出了一种新型驻波压电分选装置。六个压电板和一个容器构成了所提出的装置。利用压电板分别激发容器的标准二阶弯曲振动模式和非标准四阶弯曲振动模式，从而在容器内的液体中产生两个驻波。调整两个驻波的工作顺序和工作时长，实现不同直径ICF微球的分选。首先，从理论上分析了振动模式产生的声场分布特性。然后，采用有限元法对所提出装置的振动模式和感应声场进行分析，优化其尺寸，验证所提出分选原理的可行性。此外，对所提出装置的原型进行了振动测试，以分析其振动特性。最后，搭建了实验平台，对ICF微球进行操作和分选测试。实验结果表明，两种振动模式驱动的ICF微球的最大平均速度分别为1.49 mm/s和3.93 mm/s。并且由于它们直径的不同而引起的运动速度的差异是显着的。通过控制激发信号，可在13秒内有效分选直径为480 μm和680 μm的ICF微球。