我们都知道,发动机被称为汽车的“心脏”,定期需给它更换机油、清除积碳。那么汽车的“血压”你了解过吗?汽车“血压”即我们平时所说的胎压,严格意义上指的是轮胎内部空气的压强。
胎压异常的危害
轮胎作为汽车唯一直接与地面接触的部件,它的任何一点异常都可能导致汽车失控,发生意外。
轮胎胎压过低,会使得胎壁异常磨损,容易发生爆胎或者使轮胎提前报废。而且轮胎胎面与地面接触面积增大,摩擦阻力增大,车子的油耗会增加。
轮胎胎压过高,会使得轮胎胎面与地面接触面积减小,摩擦力减小,刹车距离变长。而且轮胎胎面中间部位磨损严重,遇到异物或者尖锐物更加容易爆胎。
胎压监测的作用
很多老司机上车前都会查看一下轮胎的状况,但胎压的变化和大气压、温度都有关系,仅靠肉眼判断很难发觉胎压问题。
而胎压监测系统可以提供直接查看轮胎胎压数据的功能,另外,当轮胎胎压异常时,发出警报提醒车主,可以提高驾车的安全性。
胎压监测的种类
如果原车购买时没有配置胎压监测,后期车主也可以自行加装。一般根据安装方式可以分为内置式和外置式两种。
内置式胎压监测价格比较高一些,安装比较麻烦。一般要先把轮胎的气嘴去掉,然后把胎压监测安装在轮胎内。而且,每次安装和维修后,都需要做轮胎动平衡,换了轮胎的话,还要重新进行配对才能正常使用。
但是内置式的胎压监测防盗性好,除非是整个轮胎被偷,不仅不易丢失,而且使用方便,并且使用寿命长,一般可以用3-5年。
相比之下,外置式胎压监测不仅价格便宜,而且安装更加简单,自己就可以完成。一般直接装在轮胎的气嘴上就行,不需要做动平衡之类的。更换新轮胎的话,只要稍微做下调整就行了。
但是这种方式容易被偷(从外表很容易看出来安装了外置式胎压监测),而且它只是用螺丝固定在气嘴上,而且每次给轮胎充气的时候,都需要先把胎压监测拆下来才行。通常其使用寿命要比内置式胎压监测短,一般为1-2年。
可见,相比较而言胎压监测还是原车出厂时有配置比较好,即避免了后期安装的麻烦,又避免了被偷的尴尬。作为一款全能家旅MPV,上汽大通MAXUS G50配备原厂胎压监测,时刻监测汽车“血压”,保证全家出行安全。
轮胎胎压是整个汽车的“血压”,胎压的高低对汽车的性能和动力有着至关重要的作用,所以车友们应该在每次出行前都要检查一下胎压是否正常哦~
原创文章,作者:cesifu,如若转载,请注明出处:http://www.cesifu.com/article/50255.html
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