发明名称 |
Power supply device |
摘要 |
A power supply device includes an input terminal to which an electric power is supplied from a commercial power source; an output terminal connected to an electric load; a power storage device to be charged by the electric power supplied from the input terminal and supplying the electric power to the output terminal; a primary battery; and a controller supplying an output of the primary battery to the output terminal, when monitoring a voltage of the commercial power source, which is applied to the input terminal, and a charged state of the power storage device, and detecting that the voltage of the commercial power source falls to a specified voltage value or less and the charged state of the power storage device indicates a specified value or less. |
申请公布号 |
US9431852(B2) |
申请公布日期 |
2016.08.30 |
申请号 |
US201314013167 |
申请日期 |
2013.08.29 |
申请人 |
Sumitomo Heavy Industries, Ltd. |
发明人 |
Hirata Kazuhiro |
分类号 |
H02J7/00;H02J9/00;H02J9/06;H02J7/34;G01R31/36;H01M12/06 |
主分类号 |
H02J7/00 |
代理机构 |
Squire Patton Boggs (US) LLP |
代理人 |
Squire Patton Boggs (US) LLP |
主权项 |
1. A power supply device comprising: an input terminal to which an electric power is supplied from a commercial power source; an output terminal connected to an electric load; an electric power transmission circuit which is connected between the input terminal and the output terminal; a power storage device which is connected to the electric power transmission circuit and is charged by the electric power supplied from the input terminal;
a metal-air battery which is connected to the electric power transmission circuit and is maintained in a standby state where a material of an electrolytic solution is separated from a negative electrode active material of the metal-air battery; a tank accumulating a material of the electrolytic solution separated from the negative electrode active material, the tank being connected to the metal-air battery via a valve; and a controller which controls the valve to supply the material of the electrolytic solution accumulated in the tank into the metal-air battery when a normal power supply from the commercial power source is stopped, wherein the metal-air battery is connected to the electric power transmission circuit via a switching element, and wherein the controller switches on the switching element when the controller detects that the voltage across the terminals of the metal-air battery reaches the rated open circuit voltage after supplying the material of the electrolytic solution into the metal-air battery. |
地址 |
Tokyo JP |