DEVICE AND METHOD FOR REPRESENTING THE FOAM POROSITY STATE OF FOAMED LIGHTWEIGHT SOIL WITH SELF-ADJUSTING BEAMS
卷宗概要
发明人
Wubin Wang; Yanfei Pei; Qian Su; Junjie Huang; Yipeng Lai; Wenyi Jia; Rongwei Fan; Aibo Luo; Xun Wang; Chenling Zhou; Chengjin Wang; Zongyu Zhang
IPC 分类
CPC 分类
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.
原文（中文）
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.