Power supply apparatus and controlling method of the same

摘要

A power supply including: a power supply circuit for receiving an external power and a battery power, and for outputting a power including at least one of the external power or the battery power to a load; and a battery pack coupled to the power supply circuit, the battery pack including a plurality of batteries, which are arranged into a plurality of battery groups including a first battery group and a second battery group, and configured to provide the battery power. Where, the battery pack is configured to selectively supply a power of the first battery group or a power of the second battery group as the battery power to the power supply circuit according to at least one of a status of the external power, a status of the load, a status of the first battery group, or a status of the second battery group.

主权项

1. A power supply comprising:
a power supply circuit configured to receive a first power from an external power source, to receive a battery power, and to output a second power comprising at least one of the first power or the battery power to an external load; a battery pack coupled to the power supply circuit, the battery pack comprising a plurality of batteries, which are arranged into a plurality of battery groups comprising a first battery group and a second battery group, and configured to provide the battery power; and a controller configured to control the power supply circuit and the battery pack according to at least one of a status of the external power source, a status of the external load, a status of the first battery group, or a status of the second battery group, wherein the battery pack is configured to selectively supply a power of the first battery group or a power of the second battery group as the battery power to the power supply circuit according to at least one of a status of the external power source, a status of the external load, a status of the first battery group, or a status of the second battery group, wherein the battery pack further comprises a battery management system configured to control charging and discharging of each of the first battery group and the second battery group according to a battery control signal from the controller, wherein the power supply circuit comprises:
an input terminal configured to receive the first power;an output terminal configured to output the second power;a first power converter coupled between the input terminal and a first node, and configured to convert the first power to a converted first power having a voltage suitable for charging the batteries, and to output the converted first power to the first node; anda second power converter coupled between the first node and the output terminal, and configured to convert the converted first power or the battery power to the second power having a voltage suitable for use by the external load, and to output the second power to the output terminal, and wherein the first battery group and the second battery group are selectively electrically coupled to the first node.