Power supply device
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsYuya Ando, Koji Ito
Life of this patent
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Abstract
A power supply device includes: a first battery; a plurality of first temperature sensors that is attached to the first battery; a second battery that is provided adjacent to the first battery; and a plurality of second temperature sensors that is attached to the second battery. A high-temperature abnormality of the second battery is diagnosed using a second abnormality diagnosis method based on temperatures from the plurality of second temperature sensors when a high-temperature abnormality has been detected in the first battery using a first abnormality diagnosis method different from the second abnormality diagnosis method based on temperatures from the plurality of first temperature sensors.
Claims3
A power supply device comprising:
- a first battery;
- a plurality of first temperature sensors that is attached to the first battery;
- a second battery that is provided adjacent to the first battery;
- a plurality of second temperature sensors that is attached to the second battery;
- and
- a control unit configured to manage the first battery and the second battery,
- wherein the control unit is configured to diagnose a high-temperature abnormality of the second battery using a second abnormality diagnosis method based on temperatures from the plurality of second temperature sensors when a high-temperature abnormality has been detected in the first battery using a first abnormality diagnosis method different from the second abnormality diagnosis method based on temperatures from the plurality of first temperature sensors.
Dependencies are inferred from the claim text.