Battery charging apparatus and battery charging method
AssigneesLite-On Electronics (Guangzhou) Limited, Lite-One Technology Corporation
InventorsYu-Hsiang Huang, Yu-Kang Lo
Life of this patent
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Abstract
A battery charging apparatus includes a charging power source, a plurality of charging circuits, a plurality of batteries, a plurality of switching circuits and a control circuit. The control circuit is configured to determine the type of charging power source based on a current-voltage curve of the charging power source, and to control conduction states of the switching circuits to connect the charging circuits and the batteries in series in a series charging mode and to connect the charging circuits and the batteries in parallel in an equalizing charging mode. A battery charging method of the battery charging apparatus is also introduced.
Claims14
A battery charging apparatus, comprising:
- a charging power source comprising a plurality of energy sources;
- a plurality of charging circuits coupled to the charging power source;
- a plurality of batteries, wherein each of the batteries corresponds to one of the energy sources;
- a plurality of switching circuits coupled between the plurality of charging circuits and the batteries;
- and
- a control circuit coupled to the switching circuits, controlling conduction states of the switching circuits, so as to individually charge the batteries by a charging rule,
- wherein each of the plurality of charging circuits comprises a first terminal and a second terminal, the first terminal is electrically coupled to one of the energy sources, the second terminal is electrically coupled to one of the batteries corresponding to the one of the energy sources, and the first terminal is electrically isolated from the second terminal.
A battery charging method of a battery charging apparatus, the battery charging apparatus comprises a charging power source having a plurality of energy sources, a plurality of charging circuits, a plurality of batteries and a plurality of switching circuits coupling to the plurality of the charging circuits and the plurality of the batteries, the battery charging method of the battery charging apparatus comprising:
- controlling conduction states of the switching circuits, so as to individually charge the batteries by a charging rule,
- wherein each of the plurality of charging circuits comprises a first terminal and a second terminal, the first terminal is electrically coupled to one of the energy sources, the second terminal is electrically coupled to one of the batteries corresponding to the one of the energy sources, and the first terminal is electrically isolated from the second terminal.
A battery charging apparatus, comprising:
- a charging power source;
- a plurality of charging circuits coupled to the charging power source;
- a plurality of batteries;
- a plurality of switching circuits coupled between the plurality of charging circuits and the batteries;
- and
- a control circuit coupled to the switching circuits, controlling conduction states of the switching circuits, so as to individually charge the batteries by a charging rule,
- wherein the control circuit determines that the charging power source is a DC charging power source or a renewable energy source based on a current-voltage curve.
Dependencies are inferred from the claim text.