Electric storage device condition determination device, electrically chargeable device, and method of determining electric storage device condition

摘要

A condition determination device for determining a condition of an electric storage device includes a current detector, a voltage detector, and a controller. The controller is configured to: determine a level of a first electric factor based on at least one of a charging current detected by the current detector and a charging voltage detected by the voltage detector; obtain first charging time while the level of the first electric factor is constant; determine a level of a second electric factor based on the charging voltage detected by the voltage detector; obtain second charging time while the level of the second electric factor is constant; calculate a determination value based on the first charging time and the second charging time; and determine a condition of the electric storage device based on the determination value.

主权项

1. A condition determination device for determining a condition of an electric storage device, the condition determination device comprising:
a current detector configured to detect a charging current for charging the electric storage device; a voltage detector configured to detect a charging voltage for charging the electric storage device; and a controller configured to:
determine a level of a first electric factor based on at least one of the charging current detected by the current detector and the charging voltage detected by the voltage detector;obtain a first charging time while the level of the first electric factor is constant;determine a level of a second electric factor based on the charging voltage detected by the voltage detector;obtain a second charging time while the level of the second electric factor is constant;calculate a determination value based on the first charging time and the second charging time; anddetermine a condition of the electric storage device based on the determination value.