Device and method for charging control
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United States of America Patent
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Apr 24, 2018
Issued Date -
N/A
app pub date -
Nov 4, 2015
filing date -
Nov 4, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a charging control device that allows the actual state of charge of a secondary battery to converge quickly to an upper limit value given as a control center value when the actual state of charge is higher than the upper limit value so that charging may be performed in an efficient manner and fuel economy may be improved. The charging control device (10) includes a charge/discharge integration unit (23) for computing an integrated charge/discharge value (IW) of the secondary battery, a charge control unit (26) for controlling the charging of the secondary battery such that the recognized state of charge is maintained at a prescribed upper limit value (80%) lower than a fully charged state (100%) by switching a generation voltage of a generator. When a disconnection of a terminal of the secondary battery is detected by a terminal disconnection detection unit (25), the charge control unit (26) prohibits the charging of the secondary battery from then on until the integrated charge/discharge value reaches a prescribed discharge value (−20%).
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