BATTERY STATUS DISPLAY SYSTEM

PROBLEM TO BE SOLVED: To detect overdischarge of a battery as a function of the battery status detection device thereof, identify the cause of its occurrence, and to clearly specify the cause to the user and prompt the user to take appropriate measures, thereby preventing the recurrence of overdisch...

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Bibliographic Details
Main Authors KOIKE KIICHI, HASEGAWA MIKITO, KADOUCHI EIJI
Format Patent
LanguageEnglish
Published 07.05.2009
Subjects
BASIC ELECTRIC ELEMENTS
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PERFORMING OPERATIONS
PHYSICS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
SYSTEMS FOR STORING ELECTRIC ENERGY
TESTING
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Summary:PROBLEM TO BE SOLVED: To detect overdischarge of a battery as a function of the battery status detection device thereof, identify the cause of its occurrence, and to clearly specify the cause to the user and prompt the user to take appropriate measures, thereby preventing the recurrence of overdischarge, as the battery being used can be overdischarged for many reasons and thus even the auxiliary charge or replacement of the battery results in a recurrence of overdischarge in many cases. SOLUTION: The battery status display system ascertains the cause of overdischarge, from the relationship between a battery minimum voltage required with an engine stopped and a travel frequency and from the relationship between the battery minimum voltage required with the engine stopped and a battery average voltage used with the engine operating. COPYRIGHT: (C)2009,JPO&INPIT
Bibliography:Application Number: JP20070272126