推荐回答(1个)
发动机启动后再次转动点火开关对启动机和飞轮齿圈会有一定损伤,如果转动点火开关随后立即松开,并不会对这些部件造成太大的损伤,不会影响车辆以后正常使用。如果听到启动机和飞轮撞击的声音后并没有及时松开钥匙门,那么这时就很可能会损坏启动机和齿圈了,严重时需要更换这些部件。但是,偶尔一两次的失误操作并不会有太大的影响。
1.汽车发动机启动后如不立即松开点火开关,所有的启动系统还在通电工作。
2.汽车发动机启动的主要部件启动马达,它为起动而设计,它考虑的是起动力矩,由于工作电流很大它的线圈都是采用纱包扁平的铜条,起动电机电流可达两三百安,对电瓶的冲击很大,由于启动马达它没有散热装置,所以它不是连续工作的电机,,电机的每次点动工作时间不超过十几秒,且中间停顿20秒后方可进行下次点动,就是为了保护启动马达和电瓶,不然会烧毁启动马达,所以汽车启动之后,必须立即松开点火开关,以保护启动马达。
3,汽车发动机启动后又带动启动马达高速运转,(既耗了电池,)也会把启动马达损坏。
一句话启动汽车之后立即松开点火开关,就是为了保护启动马达和启动系统配件,电池等,使汽车启动后能正常运转。
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