Power system switching between charge-discharge function and driving function and electric vehicle comprising the same

摘要

A power system switching between a charge-discharge function and a driving function and an electric vehicle including the same are provided. The power system includes a power battery; a charge-discharge socket; a bidirectional DC/DC module; a driving control switch connected with the power battery and the bidirectional DC/DC module; a bidirectional DC/AC module connected with the driving control switch and the power battery; a motor control switch connected with the bidirectional DC/AC module and a motor; a charge-discharge control module connected with the bidirectional DC/AC module and the charge-discharge socket; and a controller module configured to establish a path between the power battery and the motor when a current operation mode of the power system is a driving mode, and to establish a path between the charge-discharge socket and the power battery when the current operation mode of the power system is a charge-discharge mode.

主权项

1. A power system switching between a charge-discharge function and a driving function, comprising:
a power battery; a charge-discharge socket; a bidirectional DC/DC module having a first DC terminal connected with a first terminal of the power battery and a second DC terminal connected with a second terminal of the power battery, wherein the first DC terminal is a common DC terminal for an input to and an output from the bidirectional DC/DC module; a driving control switch having a first terminal connected with the second terminal of the power battery and a second terminal connected with a third DC terminal of the bidirectional DC/DC module; a bidirectional DC/AC module having a first DC terminal connected with the second terminal of the driving control switch and a second DC terminal connected with the first terminal of the power battery; a motor control switch having a first terminal connected with an AC terminal of the bidirectional DC/AC module and a second terminal connected with a motor; a charge-discharge control module having a first terminal connected with the AC terminal of the bidirectional DC/AC module and a second terminal connected with the charge-discharge socket; and a controller module connected with the driving control switch, the motor control switch and the charge-discharge control module respectively, and configured to establish a path between the power battery and the motor when a current operation mode of the power system is a driving mode, and to establish a path between the charge-discharge socket and the power battery when the current operation mode of the power system is a charge-discharge mode.