JP4495116B2 - バッテリーの残存容量の推定方法及びそれによるバッテリー管理システム - Google Patents
バッテリーの残存容量の推定方法及びそれによるバッテリー管理システム Download PDFInfo
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- JP4495116B2 JP4495116B2 JP2006178511A JP2006178511A JP4495116B2 JP 4495116 B2 JP4495116 B2 JP 4495116B2 JP 2006178511 A JP2006178511 A JP 2006178511A JP 2006178511 A JP2006178511 A JP 2006178511A JP 4495116 B2 JP4495116 B2 JP 4495116B2
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- battery
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- 238000000034 method Methods 0.000 title claims description 18
- 238000005259 measurement Methods 0.000 claims description 8
- 238000013507 mapping Methods 0.000 claims 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/374—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3647—Constructional arrangements for determining the ability of a battery to perform a critical function, e.g. cranking
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Description
上記SOC推定テーブルの構成方法について、図1を参照して説明する。
204 電圧測定部
206 温度センサ
Claims (6)
- 負荷状態から無負荷状態に切り替えられた以降から前記無負荷状態の電圧が無負荷電圧に収斂するまでの時間経過に伴うバッテリーの内部温度及びバッテリー電圧毎のSOCを測定して作成したSOC推定テーブルを保存するステップと、
バッテリーの初期SOCの推定を求められた時に、前記バッテリーの内部温度及びバッテリー電圧を測定するステップと、
前記バッテリーの内部温度及びバッテリー電圧に対応するSOCを前記SOC推定テーブルから読み出すステップと、
を含むことを特徴とするバッテリーのSOC推定方法。 - 前記バッテリーの内部温度の測定は、前記バッテリーの外部温度及び内部温度を測定し、
該外部温度を勘案して前記内部温度を補償することを特徴とする請求項1に記載のバッテリーのSOC推定方法。 - 前記SOC推定テーブルは、所定の時間経過単位でバッテリーの内部温度、バッテリー電圧毎のSOCをマッピングして作成したことを特徴とする請求項1に記載のバッテリーのSOC推定方法。
- バッテリー管理システムであって、
負荷状態から無負荷状態に切り替えられた以降から前記無負荷状態の電圧が無負荷電圧に収斂するまでの時間経過に伴うバッテリーの内部温度及びバッテリー電圧毎のSOCを測定して作成したSOC推定テーブルを保存するメモリ部と、
前記バッテリーの電圧を測定する電圧測定部と、
前記バッテリーの内部温度を測定する温度センサと、
バッテリーの初期SOCの推定を求められた時に、前記バッテリーの内部温度及びバッテリー電圧を測定し、該バッテリーの内部温度及びバッテリー電圧に対応するSOCを前記SOC推定テーブルから読み出す制御部と、
を含むことを特徴とするバッテリー管理システム。 - 前記温度センサは、前記バッテリーの内部温度及び外部温度を測定し、
前記制御部は、前記外部温度を勘案して前記内部温度を補償することを特徴とする請求項4に記載のバッテリー管理システム。 - 前記SOC推定テーブルは、所定の時間経過単位でバッテリーの内部温度、バッテリー電圧毎のSOCをマッピングして作成したことを特徴とする請求項4に記載のバッテリー管理システム。
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KR20050057669 | 2005-06-30 |
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JP2007010664A JP2007010664A (ja) | 2007-01-18 |
JP4495116B2 true JP4495116B2 (ja) | 2010-06-30 |
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US (1) | US7612538B2 (ja) |
JP (1) | JP4495116B2 (ja) |
KR (1) | KR100756836B1 (ja) |
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KR100717789B1 (ko) | 2005-07-29 | 2007-05-11 | 삼성에스디아이 주식회사 | 이차 전지 모듈의 전지 잔존용량 산출방법 |
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KR100839381B1 (ko) | 2006-11-01 | 2008-06-20 | 삼성에스디아이 주식회사 | 배터리 관리 시스템 및 그 구동방법 |
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US20070001649A1 (en) | 2007-01-04 |
JP2007010664A (ja) | 2007-01-18 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |