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OwnerWubin Wang, Yanfei Pei +10inventors
InventorsWubin Wang, Yanfei Pei, Qian Su, Junjie Huang, Yipeng Lai, Wenyi Jia, Rongwei Fan, Aibo Luo, Xun Wang, Chenling Zhou, Chengjin Wang, Zongyu Zhang
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A device and method for representing the foam porosity state of foamed lightweight soil with self-adjusting beams, and relates to the technical field of sound absorption coefficients measurement; the device includes a standing wave tube, a plurality of polyvinylidene fluoride piezoelectric films, a sensor, an exciter, a push-pull handle, an adjustable telescopic tube, a foamed lightweight soil detection material, a charge amplifier, a data memory, a data adapter, a signal generator, an adaptive power amplifier board, and a PC computer; the device of the invention has low cost, long service life, high measurement accuracy, relatively simple production process, and can be applied to different scenarios.
A device for representing foam porosity state of foamed lightweight soil with self-adjusting beams includes a standing wave tube (1), a plurality of polyvinylidene fluoride piezoelectric films (2), a sensor (3), an exciter (4), a push-pull handle (5), an adjustable telescopic tube (6), a foamed lightweight soil detection material (7), a charge amplifier, a data memory, a data adapter, a signal generator, an adaptive power amplifier board, and a PC computer,
Dependencies are inferred from the claim text.