Power battery charging protection device
2013
The invention provides a power battery charging protection device comprising a pre-charging control relay, a main motor control relay, a charging control relay and a charging protection relay. The pre-charging control relay and the main motor control relay are connected to a normalizing power supply. The charging control relay and the charging protection relay are connected to a low-voltage storage battery charging power supply. The charging protection relay is used for control coils of the pre-charging control relay and the main motor control relay to be in outage in a charging state. By the aid of the power battery charging protection device, the problems that a hybrid electric vehicle is started with electricity during charging and a charging socket carries high-voltage in outage can be solved.
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