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车窗防夹虽好 别找大熊试

2017-08-29 15:56:29   中国青年网

近日,一男游客在八达岭野生动物园猛兽区开窗投食时,被黑熊趁机咬伤手臂。这则消息在不少车主中引发了不小的轰动,不少人认为,黑熊之所以得逞,是车窗防夹功能的启动而酿成的悲剧。也有人认为,不能把人受伤的悲剧赖在车窗的防夹功能上,因为游客没有注意安全在先,而防夹功能也表现出了应有的效果。那么汽车车窗防夹功能到底该不该要?在车主中也引发了争论。

调查

七成受访者认为防夹功能很有用

记者在街头随机做了一个调查,在10名受访的司机中,只有3名司机认为平时注意点儿,车窗有没有防夹功能无所谓,另外7名司机则认为车窗的防夹功能还是非常有必要的。

“有一次我停车准备锁车,下车前关车窗,没想到我闺女正趴在车窗边玩,小家伙的手就搭在车窗玻璃上,差一点儿就被夹了。”司机张先生说当时幸亏妻子在旁边喊了一句,这才赶紧把上升的车窗停住了,不过孩子的手还是被夹了一下,当时就红了。“车窗的防夹功能还是很有必要的,尤其是对于有孩子的家庭,小孩子顽皮,如果没有这样的功能,大人稍不留神,就会给孩子造成难以预知的伤害。”

原理

依靠触觉或视觉防止被夹

近年来,因为儿童被车窗夹伤的事情时有发生。从不少汽车的配置上看,车窗防夹控制器不仅增加了汽车的安全性,也提高了汽车的档次。车窗的防夹技术是通过“触觉”和“视觉”来实现的。所谓“触觉”,就是当电动车窗机构感触到有异物在玻璃上,会自动停止玻璃上升工作。而依靠“视觉”的车窗是较先进的一套控制系统,是由光学控制系统监测有无异物在电动车窗移动范围内,从而控制车窗玻璃的移动,而不需要异物接触到玻璃。

实验

车窗夹手威力不小

那么,汽车车窗在没有防夹功能的情况下,如果人被车窗夹住会受到怎样的伤害呢?

在人们日常生活中,除了车窗还有天窗。有不少车主对车窗和天窗夹人的威力进行了相关实验,在实验中,记者看到,车窗能够将易拉罐夹得变形严重,可以夹碎塑料圆珠笔,将新鲜的鸡爪骨头夹断。而在对车辆的天窗玻璃进行实验时,可以发现,天窗的威力也不小,不仅让易拉罐严重变形,经过测量,其力度可以达到400牛顿(折合约40公斤)。此前,也有媒体报道孩子因为被车窗夹住丧命的情况。由此可见,车窗和天窗夹人的杀伤力不容忽视。

争议

汽车防夹功能该不该要?

汽车车窗的防夹功能虽然在一定程度上可以防范车上人员被夹的危险,但是也会出现另一种情况让车上的人员受伤。8月18日中午时分,几名游客开车到八达岭野生动物园游玩,当车开到休闲区后,大家下车买了点饼干,准备喂给动物。之后一行人开车来到了马来熊园区,车窗开了一条小缝,给熊投喂的时候,熊扒上车窗,因为车窗有防夹功能,受到压力之后降了下来,而控制车窗上升的按钮按不了了。一瞬间,熊的整个头都伸进驾驶室内,将驾驶座的游客咬伤。而在生活中,对于汽车车窗的防夹功能,一些司机也有着自己的担心:“如果有防夹功能,一旦有不法分子实施犯罪,那么车外的人很容易探身进车,车主不就危险了?”

对于大家的担心,有业内人士认为,不能因为一些小概率的事件就将汽车车窗的防夹功能进行否定。在生活中,车窗防夹功能是很实用的,如果车窗只拥有一键升降却没有防夹功能,危险性极大。如果遇到车外袭击情况应立即开车离开。

本报记者 李环宇 J002

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