Patent ID: 8723474
Filing Date: 2014-05-13
Classification: B60L,Y02T

Abstract:
1. An electric vehicle energy system, comprising: an electrical control unit, for producing an electric vehicle mode according to the external input signals; an energy storage system, for producing a motor control signal according to the electric vehicle mode, used for controlling a power loop structure, wherein the power loop structure comprises: at least a first power module and a second power module; at least a first detector and a second detector, coupled to the first power module and the second power module, for producing a first detecting signal and a second detecting signal respectively according to the first power module and the second power module; and an energy storage controller, coupled to the electrical control unit, for producing the plurality of switch control signals according to the electric vehicle mode, the first detecting signal and the second detecting signal through a control area network (CAN) by a voltage-difference hysteresis operation; wherein the electric vehicle mode comprises a driving mode, a regeneration mode, a starting mode, and a charging mode; wherein the energy storage controller forms the plurality of switch control signals of a first control mode or a third control mode according to the driving mode and the hysteresis operations, the energy storage controller forms the plurality of switch control signals of a second control mode according to the regeneration mode, the energy storage controller forms the plurality of switch controller signals of the third control mode according to the starting mode and the differential operation, and the energy storage controller forms the plurality of switch control signals of the first control mode or the third control mode according to the charging mode and the hysteresis operation.