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US 7,843,165 B2Granted
Charging apparatus
AssigneePanasonic Electric Works Co., Ltd.
InventorsMasaaki Sakaue, Toshiharu Ohashi
Life of this patent
Estimating the term…
Abstract
A charging device for charging battery packs includes charging terminals including a first charging terminal to be connected to an electrode of a first battery pack and a second charging terminal to be connected to an electrode of a second battery pack. Here, the first and the second battery pack are different in kind. Further, the charging device includes a conversion unit for supplying electricity to the first charging terminal when the electrode of the first battery pack is connected to the first charging terminal and supplying electricity to the second charging terminal when the electrode of the second battery pack is connected to the second charging terminal.
Claims16
A charging device for charging battery packs, comprising:
- charging terminals including a first charging terminal to be connected to an electrode of a first battery pack and a second charging terminal to be connected to an electrode of a second battery pack, the first and the second battery packs being different in kind;
- and
- a conversion unit for supplying electricity to the first charging terminal and not supplying electricity to the second charging terminal when the electrode of the first battery pack is connected to the first charging terminal, and supplying electricity to the second charging terminal and not supplying electricity to the first charging terminal when the electrode of the second battery pack is connected to the second charging terminal,
- wherein the charging device is configured to allow only one of the first and the second battery packs to be mounted at a time.
1 more element
A charging device for charging battery packs, comprising:
- charging terminals including a first charging terminal to be connected to an electrode of a first battery pack and a second charging terminal to be connected to an electrode of a second battery pack, the first and the second battery packs being different in kind;
- and
- a conversion unit for supplying electricity to the first charging terminal when the electrode of the first battery pack is connected to the first charging terminal and supplying electricity to the second charging terminal when the electrode of the second battery pack is connected to the second charging terminal,
- wherein the charging device is configured to allow only one of the first and the second battery pack to be mounted at a time;
- wherein the conversion unit includes:
- a conversion relay having a common terminal connected to a charging power supply of the charging device, a first relay terminal connected to the first charging terminal, and a second relay terminal connected to the second charging terminal;
- and
- a control unit connecting the common terminal to the first relay terminal when the electrode of the first battery pack is connected to the first charging terminal, and connecting the common terminal to the second relay terminal when the electrode of the second battery pack is connected to the second charging terminal;
- and wherein the first battery pack and the second battery pack are connected to the common terminal through the first and the second charging terminals, respectively.
6 more elements
A charging device for charging battery packs comprising:
- charging terminals including a first charging terminal to be connected to an electrode of a first battery pack and a second charging terminal to be connected to an electrode of a second battery pack, the first and the second battery packs being different in kind;
- and
- a conversion unit for supplying electricity to the first charging terminal when the electrode of the first battery pack is connected to the first charging terminal and supplying electricity to the second charging terminal when the electrode of the second battery pack is connected to the second charging terminal,
- wherein the charging device is configured to allow only one of the first and the second battery pack to be mounted at a time;
- wherein the conversion unit includes:
- a conversion relay having a common terminal connected to a charging power supply of the charging device, a first relay terminal connected to the first charging terminal, and a second relay terminal connected to the second charging terminal;
- and a control unit connecting the common terminal to the first relay terminal when the electrode of the first battery pack is connected to the first charging terminal, and connecting the common terminal to the second relay terminal when the electrode of the second battery pack is connected to the second charging terminal;
- and
- wherein the charging device further comprises a first and a second passive connection terminal, wherein each of the first and the second battery pack includes an active connection terminal,
- wherein the conversion unit connects the common terminal to the first relay terminal when the electrode and the active connection terminal of the first battery pack are connected to the first charging terminal and the first passive connection terminal, respectively and the conversion unit connects the common terminal to the second relay terminal when the electrode and the active connection terminal of the second battery pack are connected to the second charging terminal and the second passive connection terminal, respectively.
7 more elements
Dependencies are inferred from the claim text.