为什么LATCH接口是安全座椅最安全的安装方式

2025-03-26 20:26:15
推荐回答(1个)
回答1:

(1)欧美各国在交通安全防护上的观念总是领先国内许多,在欧美 12岁以下儿童乘车时必须使用儿童安全座椅,并且通过立法,因为安全带是针对成人的,而小孩使用安全带可能不安全(详情见“CCTV2的消费主张”之《你会为孩子买汽车儿童安全座椅吗》),还订定了儿童安全座椅在汽车上固定的标准-在美国叫做LATCH,在欧洲叫做ISOFIX
(2)什么是ISOFIX接口
欧系车上您会看到的是所谓ISOFIX(International Standards Organization FIX)儿童安全座椅固定系统。在汽车内完整的ISOFIX固定系统包括位在座垫和椅背交接处有两个固定在座椅上的下扣件(Lower Anchors),后方座椅两边各有一套,共两套。
目前采用ISOFIX接口的主要车型有:福克斯2011、朗逸、标致408、大众速腾、mazda6睿翼、别克新君威、雪铁龙C5等

(3)什么是LATCH接口
美国便规定所有种类的小客车必须提供LATCH系统的儿童安全座椅固定方式。什么是LATCH系统?LATCH是“Lower Anchors and Tethers for CHildren”的简称,也是扣拴的意思。在汽车内完整的LATCH固定系统包括位在座垫和椅背交接处有两个固定在座椅上的下扣件(Lower Anchors),后座椅背上方则有一条固定在车上的拴带(Tether)。符合LATCH系统的儿童安全座椅,在座椅两侧和椅背上方同样位置有三个挂钩,父母只要把儿童安全座椅放在汽车座椅上,喀、喀、喀三声就能很快装好,几乎没有装错的可能性。
目前采用LATCH接口的主要车型有:科鲁兹、科帕奇、雅力士等

(4)LATCH接口与ISO接口的区别
首先大家要明白不管是ISOFIX还是LATCH系统,都需要车内接口与儿童安全座椅配套使用,换名话说,两方都要有相匹配的接口。对于汽车内LATCH接口和ISO接口,两套系统都有两个下扣件,但是LATCH接口在后座椅上方多了一个拴带,大家应该明白了,对于汽车上的接口来说相差不大。但是对LATCH和ISO接口的儿童安全座椅来说,却相差很大。ISO接口的儿童安全座椅提供的是硬连接,安装时需要把儿童安全座椅提供两个钢性接口卡进的汽车ISO接口,与汽车形成一体,其本是瞬间完成安装,不管是刹车还是比较颠簸的公路小孩坐在上面都不会摇晃。而LATCH接口是靠三个挂钩固定,分别钩住汽车的三个点就可以了,安装也十分方便,缺点使用软件连接,相对ISFIX接口来说有点晃动,小孩坐在上面没有ISO接口那么舒服。
大家应该明白了ISOFIX的接口的儿童安全座椅可以使用LATCH接口的汽车上,但是LATCH接口的儿童安全座椅却不能使用在ISOFIX接口的汽车上,因为它使用是软件连接。
(5)为什么ISOFIX的儿童安全座椅比LATCH的接口的要贵很多
ISOFIX靠两个钢性接口卡进汽车,这个钢性接口是有严格要求的,而且必须通过欧洲ECE最研格的认证测试,才能上市销售。而LATCH相对简单,只提供三个挂钩,不需要通过相关认证。倒底是ISOFIX安全还是LATCH更安全呢,经常有朋友较这个真,我个人认为两个都安全,但是ISOFIX更严格,你想想在欧洲开车是不会限速的,可以一小时200公里的速度,而在美国每条公路都是限速。换句话,美国的LATCH标准用在中国不会有问题,欧洲更加不会有问题,但是LATCH用在欧洲,可能会有问题哟。

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