提起汽车的安全配置,我们首先想到的是安全带还有安全气囊,安全带就不用说保质期了,一般情情况下都不会因为汽车年限为题出现过期,但是气囊是有保质期的,超过保质期是有非常大的安全隐患的。
这里值得一提的是,如果出现严重的交通事故,如果没有系安全带,安全气囊其实就是汽车上的一个隐形杀手,气囊是以炸裂般的速度弹出的,如果没有系安全带就会直接撞上正弹出的气囊,头部和胸部会受到严重的伤害。 还有安全气囊弹出时表面的瞬间温度能达到90度。可能你的脸就会被严重灼伤,而且囊弹出后会造成包括气囊装置本身、安全气囊的方向盘、仪表盘、甚至挡风玻璃的损坏。他只是一个一次性的安全配置,所以安全气囊必须和安全带配套使用,不然就不叫安全气囊,而是一颗车载炸弹!
首先安全气囊的结构比起安全带的结构要复杂得多,先说说它的触发原理:首先由安全气囊传感器接收撞击信号,只要达到规定的强度,传感器即产生动作并向电子控制器发出信号。电子控制器接收到信号后,与其原存储信号进行比较,如果达到气囊展开条件,则由驱动电路向气囊组件中的气体发生器送去起动信号。气体发生器接到信号后引燃气体发生剂,产生大量气体,经过滤并冷却后进入气囊,使气囊在极短的时间内突破衬垫迅速展开,在驾驶员或乘员的前部形成弹性气垫,并及时泄漏、收缩,吸收冲击能量,在理论上讲,汽车一般在30km每小时的速度发生撞击,安全气囊就会弹出。
所以安全气囊的本生的结构复杂,技术含量较高,越复杂的东西就越容易出现问题,虽然现在的车对安全气囊的技术已经是非常成熟,但是它依然是有保质期的,一般情况下对安全气囊的保质期规定不低于15年,但是规定是死的人是活的嘛,一般的汽车厂家都不可能保证一个15年的车安全气囊还能正常工作。
所以一般汽车使用了8到10年一般就要去彻底检查,安全气囊是否还能正常使用,如果有问题就必须更换,毕竟谁也猜不到会不会发生意外,生命只有一次,行车安全不是儿戏,有年头的老车特别要注意,希望各位朋友一定要引起重视!
当然啦,我非常希望各位车主永远不需要安全亲囊!
原创文章,作者:cesifu,如若转载,请注明出处:http://www.cesifu.com/article/1523.html
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