今年十·一期间,全国各地的天气总体平稳,不过广东的天气却让人捉摸不定,时而阳光灿烂,时而雷雨交加。持续的高温加上时不时的暴雨,网友们也把这种天气调侃成“下开水”。对于那些在“下开水”天气也要自驾出游的人来说,不开空调是不可能的,因为可能分分钟会被蒸熟。
然而,空调开启,一些车主依然有烦恼,比如空调总是有难闻的味道!不用想也能知道,是因为天气潮加上天热,空调内部发霉导致的。那怎样才能解决这个问题呢?下面买车君就为大家梳理一下产生这种现象的原因,并整理了一些解决办法。
异味从何而来
要想解决汽车空调异味这烦恼,我们要从源头解决问题。空调异味的出现与空调系统结构及工作原理有很大关系。我们可以先简单了解一下汽车空调的进风过程:风从进风口进入空调风道,后经过空调滤进入蒸发箱,最后从出风口出风。
买车君从该原理中总结出两种会产生异味的因素:一如果新车产生异味,是由于蒸发器等在装备时会使用胶水等化学制剂,从风道中散发出异味,这种情况需要多通风处理;二如果是老车产生异味,多半因为风道、空调滤、蒸发箱等部分产生霉菌引起。那么针对它们几个进行更换或清洁问题就漂亮解决了。
最容易解决的是空调滤清器
由于空调滤芯主要是过滤空气的,它起到第一层防护的作用。空调滤芯除了可以过滤灰尘,还会吸附异味,如果滤芯过滤效果变差,外界空气中的异味就可能趁机进入车内。所以,定期更换空调滤芯是很有必要的。
正常工况下,一个原厂的空调滤芯使用寿命是三万公里或一年,如果经常行驶在土路或空气质量较差的路面就要适时缩短更换周期。尤其对于常在车内吸烟的人,要更加注意勤换空调滤芯。
自己清理滤芯的方法很简单,多数小型车的空调滤清器都在副驾的车套箱内,我们将拆下的滤芯用高压气吹干净,再在日光下晒上几个小时后装回原位即可达到除异味的目的,但对于已经污染严重的滤芯则需要彻底更换。
最容易忽视的是空调管道
清洗更换空调滤芯是将细菌进入车内的源头堵住了,不过空调管道内如果留有细菌或杂物一样还会有异味。想要彻底根治异味那清洁空调管道也的很也必要,不过清洗空调管道需要配合专用的空调风道清洗剂。
清洗前,我们同样需要先把空调滤芯拆下来。由于空调风道内可能存在柳絮、昆虫尸体、灰尘等,最好先用高压风枪先吹一遍,再用清洗剂冲洗。喷洒清洗剂时将空调调至外循环,然后将风量开到最大,在吸力的作用下,清洗剂会顺着进入空调管道。让空调系统运行10分钟左右,你就会看到脏水从底盘管道流出来了,空调管道清洗也就完成了。
最需要注重的是空调蒸发箱
如果以上步骤你都有进行之后,发现空调还是有异味,那就得放大招了:清洗空调蒸发箱。由于空调蒸发箱需要经常与外界空气继续热交换,“气化”吸热,达到制冷效果。外界的空气流经蒸发箱,就必然带了了水分和灰尘,大部分水分和灰尘会通过空调排水排除车外,但仍有少部分可能附着在蒸发箱上,时间一长就会产生霉变,生出酸腐异味。
那空调蒸发箱怎么处理?一般拆解清洗蒸发箱需要耗时5个小时,一般车型都要把车内中控台拆开才能完成这项工作。对于一般车主来说,这项操作靠自己“赤手空拳”是很难做到的,最好求助专业服务店或者4S店。
买车君在撰写这篇内容时也对身边朋友展开简单调查,当问到他们空调多长时间清洗一次时,大多数的人给出的表情都是一脸茫然,由此也可以看出,空调清洗是最容易被忽略的养车工作之一。其实空调系统里的霉菌、灰尘都是日积月累下来的,如果平时多注意一下,那就能有效避免汽车空调异味的发生。
买车君也建议大家在夏天快到目的地时,提前几分钟将空调关闭,这样不仅节油,还可以让空调蒸发器内的湿气及时排出去,减少爱车产生异味的可能。
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