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点火线圈4根线是什么原理
更新时间: 2020-11-10 00:00:00  

汽车蓄电池是12V的,这个电压不能让火花塞产生火花,所以必须要有个中间元件把12V变成上千V,所以就加入了高压线圈(也叫高压包,缸线,点火线圈)把电压放大。高压线圈就相当于一个变压器。

通常一个车有几个缸就有几个点火线圈。(某日系有款发动机是单杠双线圈的。)

关键词: 点火 线圈 什么 原理

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