心细的朋友会发现这么一个现象,那就是在很多国产汽车中发动机仓都会有一块盖板,而在一些合资车或者进口车上却是很少见到。有趣的是,国产车上的盖板,却成了人们口中的“遮羞盖”。
的确,盖板确实可以掩盖凌乱的发动机舱,同时营造一种“高大上”的视觉观感,给人一种品质上的满足。
只不过对维修师傅来说,也许最讨厌这种“全包围”的车,很可能发动机有点什么小问题需要检测的时候,光拆盖板上的卡扣就要拆半天,当然这些最后还是算在你的维修工时里面。
由于我国汽车工业发展较晚,很多技术都在摸索和模仿中前进,虽然目前自主品牌车企已经有很多自主研发的知识产权,但是独创的技术还是比较少。就算是发动机盖板这样的“小心机”也不是我们自主品牌首创的。
08年的英菲尼迪M35
05年的Lexus GS
不管是国产车、合资车还是进口车,都有发动机舱盖板的案例存在,且功能基本也一样。所以发动机舱盖板这个问题不能一概而论,认为国产车就“低人一等”。
发动机盖板的作用
而实际上,发动机盖板也是有一定作用的。在盖板发明之初,它并非作为“遮羞盖”使用,而是有很多实际的作用的:
1、降低发动机工作的噪音;
2、防止非专业人员对发动机进行维修保养,对发动机造成不必要的损伤;
3、美观,营造高级感。
发动机盖板的缺点
当然,如果盖板的材质和大小设计不够完美的话,加装盖板也有一定的劣势,最常见的就是散热问题。
对于原装的盖板来说,机舱温度场热管理的影响都是做过大量试验的,不会影响发动机性能的才会安装。所以对于没有盖板的车型最好不要私自加装盖板。
其实现在很多人都没怎么去注意这个盖板,因为车子好不好跟这个盖子并没什么关系。但随着人们审美水平的提升,大多新车为了迎合消费者的口味,也都加装发动机盖板。让发动机舱更整洁、美观。
甚至在宣传的时候,把机舱盖板作为一项卖点。国产车比合资车更在意这一点,也是在隔音降噪方面尽了最大努力。毕竟没有一分钱的成本是白花的。
原创文章,作者:cesifu,如若转载,请注明出处:http://www.cesifu.com/article/16604.html
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