用热成像仪测定圆柱形锂离子电池表面温度的系统

IF 4.6 4区 化学 Q2 ELECTROCHEMISTRY
Batteries Pub Date : 2023-10-22 DOI:10.3390/batteries9100519
Nadezhda Kafadarova, Sotir Sotirov, Franz Herbst, Anna Stoynova, Stefan Rizanov
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引用次数: 0

摘要

由于扩大工业可持续性的强制目标,通过电气和非电气测试程序进行电池健康状态监测的主题已成为科学研究人员越来越感兴趣的话题。在本研究中,我们提出了一种利用红外热成像技术监测电池温度的新方法。为了提高测量的准确性,克服电池圆柱形外壳的限制,我们开发了一种独特的方法来监测和捕捉整个外壳的电池温度。建立了一个实验系统,通过该系统,电池相对于其轴进行旋转运动,该旋转运动与热像仪的帧速率同步。生成的热成像图像使用专门开发的软件进行处理。该软件可以从定义的空间角度对电池表面的某些部分进行分割。这些选定的部分随后被用来生成电池表面温度分布的三维表示。这样就避免了观测角度引起的误差。此外,我们开发并提出了一种提高捕获热像图分辨率的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A System for Determining the Surface Temperature of Cylindrical Lithium-Ion Batteries Using a Thermal Imaging Camera
The topic of battery state-of-health monitoring via electrical and non-electrical testing procedures has become of increased interest for scientific researchers, due to the imposed goal of expanded industrial sustainability. Within the present study, we propose a novel approach for monitoring the temperature of batteries by means of infrared thermography. In order to improve the accuracy of the performed measurements and to overcome the limitations imposed by the cylindrical housing of the batteries, we have developed a unique method for monitoring and capturing the temperature of the battery over the entire housing. An experimental system was built, through which the battery performs a rotational movement relative to its axis, with this rotation motion being synchronized with the frame rate of the thermal camera. The resulting thermographic images are processed using specifically developed software. This software enables the segmentation of certain sections of the battery’s surface from a defined spatial perspective. These selected segments are subsequently utilized to generate a three-dimensional representation of the battery’s surface temperature’s distribution. In this way, errors in the obtained results which are caused by the viewing angle are avoided. Additionally, we developed and presented a method for the increasing of the resolution of captured thermograms.
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来源期刊
Batteries
Batteries Energy-Energy Engineering and Power Technology
CiteScore
4.00
自引率
15.00%
发文量
217
审稿时长
7 weeks
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