Title:
CHARGING CONTROL CIRCUIT, BATTERY DRIVEN APPARATUS, CHARGING APPARATUS, AND CHARGING METHOD
Document Type and Number:
WIPO Patent Application WO/2012/070190
Kind Code:
A1
Abstract:
Provided is a charging control circuit (30) that controls a charging unit (3) for charging a lead storage battery (10) to be used for a power supply of a battery driven apparatus (1), and that is provided with: a first acquisition unit (36) for acquiring the total discharging electric-quantity coming from the lead storage battery (10), starting from when the last discharging was completed to when discharging is to be started this time according to a charging-start instruction, by dividing the total discharging electric-quantity into a first discharging electric-quantity that is the amount of electricity discharged by a discharging current the current value of which is less than a prescribed level, and a second discharging electric-quantity that is the amount of electricity discharged by a discharging current the current value of which is equal to or more than the prescribed level; a calculation unit (37) for acquiring a first charging electric-quantity corresponding to the first discharging electric-quantity acquired by the first acquisition unit (36), and a second charging electric-quantity corresponding to the second discharging electric-quantity acquired by the first acquisition unit (36), and acquiring the sum of the first charging electric-quantity and the second charging electric-quantity as a charging electric-quantity necessary for charging the lead storage battery (10); and a charging control unit (34) for controlling the charging of the lead storage battery (10) by the charging unit, on the basis of the charging electric-quantity acquired by the calculation unit.
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Inventors:
MUROCHI HARUMI
YOSHIHARA YASUYUKI
KIKUCHI TOMOYA
SHIMADA KAZUYUKI
YOSHIHARA YASUYUKI
KIKUCHI TOMOYA
SHIMADA KAZUYUKI
Application Number:
PCT/JP2011/006201
Publication Date:
May 31, 2012
Filing Date:
November 07, 2011
Export Citation:
Assignee:
PANASONIC CORP (JP)
MUROCHI HARUMI
YOSHIHARA YASUYUKI
KIKUCHI TOMOYA
SHIMADA KAZUYUKI
MUROCHI HARUMI
YOSHIHARA YASUYUKI
KIKUCHI TOMOYA
SHIMADA KAZUYUKI
International Classes:
H02J7/00; H01M10/44
Domestic Patent References:
| WO2010016275A1 | 2010-02-11 |
Foreign References:
| JP2000243457A | 2000-09-08 | |||
| JP2003219571A | 2003-07-31 |
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (JP)
Etsuji Kotani (JP)
Etsuji Kotani (JP)
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Claims: