火花塞会影响油耗吗

火花塞会影响油耗吗
2025-02-22 06:16:53
推荐回答(5个)
回答1:

火花塞影响油耗;不同火花塞适合的场合和环境不同。发动机工作的好坏的简单评价就是汽缸内的燃烧是否良好、混合气燃烧是否充分。这就与混合气的浓度、点火正时、压缩比、火花塞的击穿电压有很大的关系。火花塞点火不良,会造成燃油燃烧不良,从而增加油耗。

扩展资料:

火花塞的类型:

1、准型火花塞:其绝缘体裙部略缩入壳体端面,侧电极在壳体端面以外,是使用最广泛的一种。

2、缘体突出型火花塞:绝缘体裙部较长,突出于壳体端面以外。它具有吸热量大、抗污能力好等优点,且能直接受到进气的冷却而降低温度,因而也不易引起炽热点火,故热适应范围宽。

3、电极型火花塞:其电极很细,特点是火花强烈,点火能力好,在严寒季节也能保证发动机迅速可靠地起动,热范围较宽,能满足多种用途。

4、座型火花塞:其壳体和旋入螺纹制成锥形,因此不用垫圈即可保持良好密封,从而缩小了火花塞体积,对发动机的设计更为有利。

回答2:

火花塞用来给发动机引火,所以它不仅会影响油耗,也会影响动力。
在四冲程的工作流程里边,每个流程都是独立的,是间断脉冲式的燃烧,而不是和煤气灶那样连续烧火的,所以每个流程都要点一次火,是在压缩冲程里边,活塞离开上止点一点距离的时候开始点火的。
所以每次点火的火花强弱,会直接决定了本次燃烧是否良好,每次点火的时间点是否恰当,也会决定了本次燃烧的时间是否合理,而燃烧的结果,会直接影响到发动机的动力和油耗。
扩展资料
火花塞的特性:
火花塞的标准中通常用热值来表征火花塞的热特性,火花塞热值表示火花塞绝缘体裙部吸热与散热的平衡能力,热值越高。则吸热与散热平衡能力越强,因而热型火花塞热值低,冷型火花塞热值高。一般功率高、压缩比大的发动机选用热值高的冷型火花塞;
相反,功率低、压缩比小的发动机选用热值低的热型火花塞。一般火花塞的选用是工厂通过产品定型实验确定的,不应随意更换。
参考资料来源:搜狗百科-火花塞

回答3:

是的。
火花塞的工作状况与油耗有很大关系。火花塞的作用是当高压电跳过电极间的空隙时产生电火花,点燃气缸中的混合气,目前电喷发动机火花塞的间隙大多在1.0~1.2mm之间。(具体到每个车型的间隙,需要参考维修手册)火花塞间隙过大会造成跳火电压较高,使点火线圈过负荷而发热以致烧毁,而且在高速时还会出现断火现象。间隙过小会使电火花时间缩短,导致点火能量减小,不易点燃混合气,因此一定要确保正常的火花塞间隙;火花塞分热型、中型和冷型三种,火花塞的选用要根据发动机的功率大小、冷却方式、压缩比和转速等很多参数的不同而选定。当发动机功率大、压缩比大、转速高时应选用冷型火花塞、反之应选用热型火花塞,以免火花塞因过冷易产生积碳,介于两者之间的选用中型火花塞;其实对于火花塞、空滤、机油滤芯和汽油滤芯这些配件来说,建议您使用4S店原厂配件,只有原厂配件才是最适合的。

回答4:

论汽车火花塞的重要性!长时间不更换会导致动力变弱,油耗增加!

回答5:

肯定会影响油耗,一般建议普通火花塞使用寿命为2万公里,如果超过经济寿命还继续使用,点火性能会下降,(极燃铱金火花塞,省油耗10%以上,汽车油耗问题专家)燃烧就会不充分,从而油耗增加如果火花塞不匹配,也会使燃油燃烧就不充分,肯定会增加油耗咯。

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