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US 9,071,154 B2Granted
DC-DC converter, solar charging system, and movable body
AssigneeSharp Kabushiki Kaisha
InventorsHiroshi Iwata, Yoshifumi Yaoi, Kenji Komiya, Masaru Nomura, Yoshiji Ohta
Life of this patent
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Abstract
This DC/DC converter includes a first DC/DC converter, and a second DC/DC converter for carrying out a DC/DC conversion of voltage supplied from the first DC/DC converter. One of either the first DC/DC converter or the second DC/DC converter is a fixed-factor DC/DC converter, and the other of either the first DC/DC converter or the second DC/DC converter is a variable-factor DC/DC converter.
Claims19
A DC/DC converter, comprising:
- a first DC/DC converter, and
- a second DC/DC converter for carrying out a DC/DC conversion of voltage supplied from the first DC/DC converter;
- wherein one of the first DC/DC converter and the second DC/DC converter is a fixed-factor DC/DC converter, and
- the other one of the first DC/DC converter and the second DC/DC converter is a variable-factor DC/DC converter.
1 more element
A solar charging system, comprising:
- a solar cell;
- a first power storage device for storing power outputted from the solar cell;
- a second power storage device having a greater voltage than the first power storage device;
- and
- a DC/DC converter for transmitting power between the first power storage device and the second power storage device;
- wherein the DC/DC converter comprises:
- a first DC/DC converter, and a second DC/DC converter for carrying out a DC/DC conversion of voltage supplied from the first DC/DC converter;
- and
- wherein one of the first DC/DC converter and the second DC/DC converter is a fixed-factor DC/DC converter, and
- the other one of the first DC/DC converter and the second DC/DC converter is a variable-factor DC/DC converter.
7 more elements
A movable body, comprising:
- a solar charging system;
- wherein the solar charging system comprises:
- a solar cell;
- a first power storage device for storing power outputted from the solar cell;
- a second power storage device having a greater voltage than the first power storage device;
- and
- a DC/DC converter for transmitting power between the first power storage device and the second power storage device;
- wherein the DC/DC converter comprises:
- a first DC/DC converter, and a second DC/DC converter for carrying out a DC/DC conversion of voltage supplied from the first DC/DC converter;
- and
- wherein one of the first DC/DC converter and the second DC/DC converter is a fixed-factor DC/DC converter, and
- the other one of the first DC/DC converter and the second DC/DC converter is a variable-factor DC/DC converter.
9 more elements
Dependencies are inferred from the claim text.