电瓶没电了电子手刹会不会失灵?

2025-03-09 09:55:02
推荐回答(5个)
回答1:

电子手刹的确是一个常电源,即使车熄火了,还是可以拉起手刹的。有人有这么个疑问,既然电子手刹是靠电来刹车的,那么如果电瓶亏电了,它还会继续保持刹车力吗?会不会失效而溜车?还有电子手刹一直用电,长期停放会不会因此而加速亏电呢?

答案是即使电瓶一点电没有了,电子手刹还是会保持原有的刹车力,不会失效溜车,也不会因为电子手刹的缘故导致电瓶电量消耗过快。这个问题其实很简单,老司机或者经历过电瓶亏电的车主都是知道的

电子手刹是怎么工作的呢?电子手刹由电子按键开关、电子控制模块、电机组件组成,电子按键开关就是我们拉手刹的那个开关,电子控制模块和电机组件集成在左右后轮的制动卡钳上,电子手刹也是只刹后轮,前轮没有刹车力。当我们拉手刹时,控制模块就会给电机发送信号,电机工作推动活塞移动,刹车片抱住刹车盘实现刹车。

拉手刹的这个过程是需要用电的,但当电机停止工作手刹刹住了之后,就不需要再用电了。手刹力持续有效并不是靠电来撑住电机,不让电机被反推回去的。电机停止工作后会有一个锁扣自动卡住内部的拉杆,这是一种机械装置,靠的是机械力,刹车活塞是推不动的。因此即使电瓶亏电了,刹车力还是会继续保持,不用担心刹车失效的问题。刹住后不再继续用电,也不会因此而加速电瓶亏电。

汽车停止后,拉手刹可以不踩刹车,松手刹必须要踩刹车,不然是不起作用的,电机不会执行松手刹的操作。但有一种情况不需要踩刹车也不需要按开关也可以自动解除。当车辆启动后,挂上挡加油门,即使不手动释放手刹,它也会自动释放的,因为控制模块会认为此时你正在起步,但忘记松手刹了,于是就会自动给你松开。

回答2:

不用电了,所以即便在车子锁上之后

回答3:

不会的,设计这个的工程师也会想到这一点所以你不必害怕完全不会有事。除非有故障或者电瓶拆掉了

回答4:

两种情况。一种是已经锁死的电子手刹,这时处于机械锁死状态,不受电量影响。当然解锁时还是需要电的。第二种是还没按电子手刹就已经没电了(基本只能存在于纯电车),那电子手刹就不能工作了,如果在坡上,就只能使劲踩住没有助力的刹车等待救援了。

回答5:

汽车电瓶没电后,根据电子手刹的工作原理以及用处可以得出,无外乎会出现两种问题,第一,电子手刹拉起后电瓶没电了,第二,汽车电瓶没电导致电子手刹失灵,但是这两种理论结果在现实生活中并不会发生。

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