| 摘要 |
<p>This disclosure provides a data transmission device used between a charger and an electric vehicle, including an internal interface compatible with messages or commands of a first protocol; an external interface compatible with messages or commands of a second protocol; an outside-to-inside transformation module, being adapted to receive messages or commands of the second protocol from the electric vehicle, to transform the messages or commands of the second protocol to messages or commands of the first protocol according to functions of data carried by the messages or commands, and to send the messages or commands of the first protocol to the charger; and an inside-to-outside transformation module, being adapted to receive messages or commands of the first protocol from the charger, to transform the messages or commands of the first protocol to messages or commands of the second protocol according to functions of data carried by the messages or commands, and to send the messages or commands of the second protocol to the electric vehicle; wherein the messages or commands sent from the outside-to-inside transformation module to the charger include: CER message, CSR message, CCS message and CCR message.</p> |
