The article elucidates the significant impact of the oil inlet hole size on the performance of the atomizer. An excessively large inlet hole may lead to liquid leakage during idle periods, resulting in wastage. Conversely, an overly small inlet hole may impede the timely supply of atomized liquid during operation, affecting the atomization efficacy and user experience. Therefore, the judicious design of the oil inlet hole size is paramount for optimizing the atomizer's performance. The article introduces a method for calculating the dimensions of the atomization core's oil inlet hole. This involves establishing equations that equate physical quantities in both idle and operational states, considering the equations for excess flow rate and atomized liquid replenishment. These equations serve to regulate the size of the inlet hole. The application of this calculation method during the design phase is exemplified, ensuring that the atomizer remains leak-free during periods of inactivity and maintains optimal atomization performance during operation. This calculation method proves instrumental in controlling the reasonable range of oil inlet hole dimensions during the design phase, thereby enhancing development efficiency.
雾化芯进油孔的大小对雾化器使用效果有着重要影响。进油孔连接着雾化液储存仓和吸液储液介质，若进油孔过大，则在静置状态时，雾化液会在毛细力和重力的作用从气体通道泄漏，造成不必要的浪费；若进油孔过小，则在工作状态下，吸液储液介质不能保证雾化液的及时供给，影响雾化效果和用户的体验。因此合理的设计进油孔的大小对雾化器的使用效果意义非凡，那么如何在设计阶段通过计算，控制进油孔的尺寸，确保静置时不漏液，工作时雾化效果良好呢？
本期主要介绍一种雾化芯进油孔尺寸计算方法。
雾化芯进油孔尺寸计算方法方法
对静置和工作状态物理量之间的等价关系建立方程，得到如下函数：
（1）静止状态
（2）工作状态
工作过程中吸液储液介质的过流流量与储液仓中的雾化液补充量相等，又根据达西定律，建立如下等式：
（3）示例
针对某雾化器：
(1)静置时吸液时间t不少于a秒可认为多孔介质被完全浸润
(2)雾化器每次工作持续时间为b秒
可注油电子烟雾化芯直接与油仓中的烟油接触，相对于一次性电子烟漏液风险更大，如何在保证导油充足且口感良好的情况下，做到不漏液，一直是设计雾化器的核心，该计算方法可以在设计阶段将进油孔尺寸控制在一个合理的范围，再在此基础上进行调整，节省时间，提高开发效率。
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原文始发于微信公众号（雾化探秘）：Calculating the dimensions of the oil inlet hole for the refillable electronic cigarette atomization core is a repetitive process.
电子雾化与HNB产品都是新型电子产品，结构虽小，却融合应用多种材料、表面处理、芯片电子等技术工艺，而且雾化技术一直在不断更迭，供应链在逐步完善，为了促进供应链企业间有一个良好的对接交流，艾邦搭建产业微信群交流平台，欢迎加入；Vape e-cigarettes (VAPE) and Heat-Not-Burn e-cigarettes (HNB) are both emerging electronic products. Despite their compact size, they integrate various materials, surface treatment technologies, chip electronics, and other advanced technical processes. Moreover, atomization technology is constantly evolving and the supply chain is being progressively perfected. To facilitate good communication and networking among supply chain enterprises, Aibang has established an industry WeChat group communication platform and warmly welcomes interested enterprises to join.
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