| 一种基于电学法的高准度水汽透过率测试模型 |
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| 引用本文： | 李泽文,张建华,郭爱英.一种基于电学法的高准度水汽透过率测试模型[J].上海大学学报(自然科学版),2021,27(4):677-685. |
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| 作者姓名： | 李泽文 张建华 郭爱英 |
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| 作者单位： | 上海大学机电工程与自动化学院,上海200444;上海大学新型显示与系统集成教育部重点实验室,上海200444;上海大学新型显示与系统集成教育部重点实验室,上海200444 |
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| 基金项目： | 上海市科委重大基础研究资助项目(18JC1410402);上海市科委重大基础研究资助项目(16JC1400602) |
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| 摘 要： | 针对传统电学法水汽透过率(water vapor transmission rate, WVTR)测试高精度、低准度的问题, 提出了一种电流分布特性修正的高准度 WVTR 测试模型, 并基于此测试模型设计了一套完整的、易于使用的 WVTR 测试系统. 系统硬件采用了便于维护的高适应性夹具、全封闭测试环境等设计, 软件采用了多线程、时间误差补偿、自适应修正等算法. 理论分析和实际测试结果表明, 修正后的 WVTR 测试模型及测试系统实现了兼具使用成本低和高精度、高准度的设计目标.
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| 关 键 词： | 封装 水汽透过率 电学法 误差补偿 |
| 收稿时间： | 2018-11-27 |
Development of high-accuracy water-vapor transmission rate test model using electrical method |
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| LI Zewen,ZHANG Jianhua,GUO Aiying.Development of high-accuracy water-vapor transmission rate test model using electrical method[J].Journal of Shanghai University(Natural Science),2021,27(4):677-685. |
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| Authors: | LI Zewen ZHANG Jianhua GUO Aiying |
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| Institution: | 1. School of Mechatronics and Automation, Shanghai University, Shanghai 200444, China;2. Key Laboratories of Advanced Display and System Application, Shanghai University, Shanghai 200444, China |
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| Abstract: | A high-precision problem of the traditional electrical method for determining the water-vapor transmission rate (WVTR) was analysed, and a high-accuracy WVTR test model with current distribution characteristics correction was developed. Based on the test model, a complete and simple WVTR test system was designed. The system hardware required high-adaptive fixtures for easy maintenance and a fully enclosed test environment, and the software included multi-threading, time-error compensation, and adaptive correction algorithms. The theoretical analysis and experimental test results showed that the modified WVTR test model and system satisfied the design requirements of low costs, high precision, and high accuracy. |
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| Keywords: | encapsulation water-vapor transmission rate (WVTR) electrical method error compensation |
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