Charging device for rapid battery pack replacement system of electric automobile

The invention discloses a charging device for a rapid battery pack replacement system of electric automobile. The charging device comprises a charger and a battery box, the charger is provided with a first charging interface and a display module, the charger is internally provided with a first communication module, a second communication module and a charging module, the battery box is provided with a second charging interface, and the charging box is internally provided with a battery pack, a battery management unit, a smoke alarm, a third communication module and a fourth communication module. The charging module communicates with the battery management unit via the first and third communication modules to obtain charging state information and further to control charging, energy is transmitted to the battery pack via the first and second charging interfaces, the display module arranged on the charger can display charging state information of the battery pack in real time, and the smoke alarm in the battery box can monitor the charging process of the battery pack on site, and raises the alarm timely when an accident happens. The charging device is simple in structure, convenient to operate, safe and reliable in charging and high in automation degree.