Development of a Triboelectric Performance Test System

doi:10.16183/j.cnki.jsjtu.2020.399

Abstract

Abstract:

In view of the lack of standardized test support for existing triboelectric research, a system suitable for the triboelectric performance test was independently developed. Through modular design and system integration, the three modules of loading, motion, and measurement control were designed in turn. The LabVIEW measurement control software was developed. By adding buffer springs and optimizing the loading structure, the stable loading under small load conditions was achieved. In addition, based on the insulation treatment of the upper and lower samples, the accurate measurement of micro currents was achieved. The reliability of the test system was verified by benchmarking test and friction electrification test, and the transferred charge of Cu-Al friction interface was analyzed. Moreover, the linear relationship between transferred charge and load was preliminarily determined. The results are beneficial to the standardization of tribo-electrical testing.

Key words: triboelectric, test system, design and optimization, experimental verification

CLC Number:

TP271.4

HE Ke, WU Zishuai, WANG Daoai, ZHANG Zhinan. Development of a Triboelectric Performance Test System[J]. Journal of Shanghai Jiao Tong University, 2021, 55(5): 624-630.

Figures/Tables 11

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指标	参数值
设备最大功率/kW	1
设备质量/kg	<80
微电流范围与分辨率/nA	0~1000, 1
载荷范围与分辨率/N	0~50, 0.1
转速范围/(r·min^-1)	600
摩擦力分辨率/N	0.1
机器外形尺寸/(m×m×m)	0.8×0.6×1.0

试验条件	对标测试	摩擦起电试验
试验形式	球-盘旋转摩擦试验	销-盘旋转摩擦试验
摩擦副材料	铝6061-盘试样,Ra 3.2 ?12.7mm,304不锈钢球	铝6061-盘试样,Ra 3.2 ?6 mm,纯铜-销试样
F/N	30	10,15,20,25,30
v/(m·s^-1)	0.3	0.4
t/s	1800	20
温度	常温	常温
润滑条件	干摩擦	干摩擦