ELECTRIC AUTOMOBILE AND DISCHARGING DEVICE THEREOF

摘要

A discharging apparatus for an electric vehicle and an electric vehicle are provided. The discharging apparatus comprises: an AC charging interface, connected with a charging pile and configured to transmit an AC to a power grid via the charging pile; an instrument, configured to send a discharging preparation instruction; a controller, configured to detect whether the AC charging interface is connected with the charging pile after receiving the discharging preparation instruction, and to detect whether there is a PWM wave with a predetermined voltage in the controller, and if there is a PWM wave with a predetermined voltage in the controller, to switch to an external discharging mode; a battery manager, configured to control an external discharging circuit in a high-voltage distribution box of the electric vehicle to be connected after the controller switches to the external discharging mode; a power battery, connected with the high-voltage distribution box.

主权项

1. A discharging apparatus for an electric vehicle, comprising:
an AC charging interface, connected with a charging pile and configured to transmit an AC to a power grid via the charging pile, the charging pile being connected with the power grid; an instrument, configured to send a discharging preparation instruction after receiving a trigger signal; a controller, configured to communicate with the instrument and to detect whether the AC charging interface is connected with the charging pile after receiving the discharging preparation instruction, and to detect whether there is a PWM wave with a predetermined voltage in the controller, and if there is a PWM wave with a predetermined voltage in the controller, to switch to an external discharging mode; a battery manager, configured to communicate with the controller and to control an external discharging circuit in a high-voltage distribution box of the electric vehicle to be connected after the controller switches to the external discharging mode; a power battery, connected with the high-voltage distribution box; wherein the controller is configured to detect whether an electric quantity of the electric vehicle is greater than a predetermined value, and if yes, to convert a DC provided by the external discharging circuit into the AC and to output the AC to the AC charging interface so as to discharge to the power grid.