US 9,871,395 B2Granted

Charging control device

AssigneeToyota Jidosha Kabushiki Kaisha

InventorKen Yoshida

Life of this patent

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Abstract

A charging control device that executes charge control appropriately without reducing effects of charge control, and is configured to include a charged state calculation unit configured to calculate remaining capacity of battery that can be charged and discharged, based on signal from a sensor to detect state of the battery; an accumulated charge and discharge calculation unit configured to calculate an accumulated amount of charge and discharge of the battery after activation of the battery, based on the signal from the sensor; an execution determination unit configured, in a case where remaining capacity calculated by charged state calculation unit is less than first threshold, to determine whether to execute charge control to recover remaining capacity of the battery, based on accumulated amount calculated by accumulated charge and discharge calculation unit; and charge control unit configured to execute charge control following determination result by execution determination unit.

Claims8

Dependent claims

A charging control device, comprising:

a charged state calculation unit configured to calculate a remaining capacity of a battery that can be charged and discharged, based on a signal from a sensor to detect a state of the battery;
an accumulated charge and discharge calculation unit configured to calculate an accumulated amount of charge and discharge of the battery after an activation of the battery, based on the signal from the sensor;
an execution determination unit configured, in a case where the remaining capacity calculated by the charged state calculation unit is less than a first threshold, to determine whether to execute charge control to recover the remaining capacity of the battery, based on the accumulated amount calculated by the accumulated charge and discharge calculation unit, or in a case where the remaining capacity calculated by the charged state calculation unit is greater than or equal to the first threshold, to determine whether to execute charge control to recover the remaining capacity of the battery, based on the remaining capacity;
and
a charge control unit configured to execute the charge control following a determination result by the execution determination unit.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/102,466Filed 10 Feb 2015
Priority: JP 2014-03005919 Feb 2014
Published: US 2016/0352107 A11 Dec 2016
Granted: 16 Jan 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

H02J 7/14
Circuit arrangements for charging or discharging batteries or for supplying loads from batteries: for charging batteries from dynamo-electric…
H02J 7/82
Including monitoring or indicating arrangements: control of state of charge [SOC]
H02J 7/933
Regulation of charging or discharging current or voltage: the cycle being controlled or terminated in response to electric parameters
H02J 7/1446
For charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle: in response to parameters of a vehicle