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US 11,110,814 B2Granted
Charging device for electric vehicles
AssigneeAudi AG
InventorRoman Straßer
Life of this patent
Estimating the term…
Abstract
A charging device for electric vehicles, with multiple charging points, to each of which an electric vehicle can be connected, and with multiple power electronics units each providing a maximum charging power, and a method for charging an electric vehicle.
Claims9
A charging device for electric vehicles, comprising:
- multiple charging points, to each of which an electric vehicle can be connected;
- multiple power electronics units each providing a maximum charging power;
- and control unit which is configured to connect a respective power electronics unit to a charging point and disconnect the respective power electronics unit from the charging point,
- wherein the control unit is configured to connect to and disconnect from each charging point one or more of the multiple power electronics units depending on a necessary charging power of an electric vehicle connected to one of the multiple charging points,
- wherein the maximum charging power of at least one of the multiple power electronics units differs from another of the multiple power electronics units,
- wherein, in a case in which multiple electric vehicles are connected to the charging device with a collective power draw exceeding an available power of the charging device, the control unit successively cycles connection of the multiple power electronics units to the multiple charging points such that each electric vehicle is charged at a maximum rate only temporarily.
3 more elements
A method for charging an electric vehicle, comprising:
- connecting an electric vehicle a charging point of a charging device,
- connecting, by a control unit of the charging device, at least one power electronics unit of the charging device to the charging point for charging the electric vehicle, and
- disconnecting, by the control unit, the at least one power electronics unit from the charging point after charging is complete,
- wherein the control unit is configured to connect to and disconnect from the charging point the at least one power electronics unit depending on a necessary charging power of the electric vehicle,
- wherein the charging device is provided with multiple power electronics units and a maximum charging power of a first of the multiple power electronics units differs from that of a second of the multiple power electronics units,
- wherein, in a case in which multiple electric vehicles are connected to the charging device with a collective power draw exceeding an available power of the charging device, the control unit successively cycles connection of the multiple power electronics units such that each electric vehicle is charged at a maximum rate only temporarily.
3 more elements
Dependencies are inferred from the claim text.