Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1995-06-07
1997-07-22
Wong, Peter S.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 31, 320 48, H01M 1046
Patent
active
056507100
ABSTRACT:
An apparatus controls a charger for starting and stopping the charging of a storage battery of an electric vehicle at advantageous times based on relevant parameters. A necessary charging period is calculated on the basis of the amount of electric energy that is discharged from the storage battery at the time the charging of the storage battery is commanded by a charging start command key switch, and also on the basis of a predetermined charging current. A charging start time to finish the charging of the storage battery at a scheduled boarding time is calculated by a charging start time calculating circuit based on the calculated necessary charging period and the scheduled boarding time which is set by the driver by a scheduled boarding time setting key switch. The storage battery starts being charged with the predetermined charging current from the calculated charging start time. Therefore, the storage battery is prevented from being self-discharged when left to stand for a long period of time after it has been charged until the driver enters the electric vehicle, and any reduction in the temperature of the storage battery is minimized.
REFERENCES:
patent: 5305613 (1994-04-01), Hotta et al.
Honda Giken Kogyo Kabushiki Kaisha
Tso E.
Wong Peter S.
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