以下文章来源于autocarweekly ，作者autocarweekly autocarweekly . 车不只是代步工具，还是生活的一种刻度。 本文来自微信公众号： autocarweekly （ID：autocarweekly） ，作者：七号-宋，头图来自：AI生 成 最近的上海，雨下得有些任性。朋友圈晒的不再是美食和遛娃，而是一排排雨天出行全副武装的新能 源车。 电动车用户最关心的事之一，就是"雨天到底能不能安全充电？尽管我们知道，新能源汽车的三电系 统早已不是当年的毛坯房，也听说过防水等级、密封圈这些专业术语，但看到雨水沿着车身流到充电 口时，心里难免还是犯嘀咕。 于是，各大电商平台上，各种充电口防雨帘、防水密封盖销量节节攀升，有人说这是智商税，也有人 坚持有备无患。 那么，这些防雨罩到底有没有必要？雨天充电到底安不安全？今天这篇，就和大家好好讲讲背后的技 术逻辑，以及你该不该为它买单。 防水等级IPX5意味着什么？它比 IPX6差在哪里？ 有些朋友肯定听说了，新能源汽车防水等级达到IPX7等级，泡水都不怕，还怕雨水么？ 这其实是有误区的。因为IPX7主要针对的是汽车的电池包，而不是充电口。 汽车充 ...

Core Viewpoint - The article discusses the safety and necessity of charging electric vehicles in rainy weather, addressing common concerns about water exposure and the effectiveness of protective measures like rain covers. Group 1: Safety of Charging in Rain - Electric vehicle users often worry about the safety of charging in rainy conditions, despite advancements in the three-electric system and waterproof standards [2][4] - The charging ports of electric vehicles typically have an IPX5 waterproof rating, which means they can withstand low-pressure water spray from any direction, ensuring safe charging even in rain [5][10] Group 2: Water and Dust Protection Standards - The IPX5 standard allows for a water flow of 12.5 liters per minute, equating to a significant amount of water over a day, far exceeding typical rainfall [8] - Charging ports are designed with features to prevent dust and water ingress, including IP6X dust protection and internal designs that minimize the entry of contaminants [20][24] Group 3: Industry Practices and Innovations - Automotive companies are actively researching and developing waterproofing technologies, as evidenced by patents for protective devices for charging interfaces [28][30] - Despite the availability of protective covers, many electric vehicle drivers do not use them, indicating confidence in the existing waterproofing measures [32]