家电科技Issue(z1)：327-331,5.DOI:10.19784/j.cnki.issn1672-0172.2023.99.074
电容式触摸按键面板层介质研究与应用
Research and application of capacitive touch key on the panel layer medium
王晓莹 1张庆君 2岳添翼2
作者信息
- 1. 青岛海尔科技有限公司 山东青岛 266101||数字化家电国家重点实验室 山东青岛 266101
- 2. 青岛海尔洗衣机有限公司 山东青岛 266101||数字化家电国家重点实验室 山东青岛 266101
- 折叠
摘要
Abstract
Capacitive touch keys are widely used in display panel touch control system of household appliances for their advantages of high accuracy and durability.As the first step of human-computer interaction,the sensitivity and reliability evaluation of touch keys is very important.In order to study the influence of circuit board level structure on touch sensitivity and reliability,based on the principle of capacitive touch,the change of touch effect caused by the difference of metal medium in the top layer(only copper plating and tin plating on the copper surface)was discussed.Finally,through the verification and comparison of different media schemes,it is found that the copper plating scheme has better performance in data sensitivity and stability.Through 8 mm and 3 mm copper rod tests,the frequency of z-value＞6 in copper plating scheme is about 65.2%,which is higher than that in copper tin plating scheme(28.8%).Through z-value analysis,it can guide the design and manufacture of touch keys.关键词
触摸按键/电容式感应/面板层介质/效果分析Key words
Touch key/Capacitive induction/Panel layer medium/Effect analysis分类
信息技术与安全科学引用本文复制引用
王晓莹,张庆君,岳添翼..电容式触摸按键面板层介质研究与应用[J].家电科技,2023,(z1):327-331,5.
