JP5092903B2 - 車両用電池の充放電制御装置 - Google Patents
車両用電池の充放電制御装置 Download PDFInfo
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- JP5092903B2 JP5092903B2 JP2008140568A JP2008140568A JP5092903B2 JP 5092903 B2 JP5092903 B2 JP 5092903B2 JP 2008140568 A JP2008140568 A JP 2008140568A JP 2008140568 A JP2008140568 A JP 2008140568A JP 5092903 B2 JP5092903 B2 JP 5092903B2
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- voltage
- battery
- temperature
- control device
- unit cell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Description
Vmax=VB/N+ΔVmax ・・・(式1)
一方、最低電圧Vminは次の式により算出される。
Vmin=VB/N−ΔVmin ・・・(式2)
ここで、Nは、一つの組電池34を構成する単電池32の個数である。
Claims (3)
- 複数の単電池を直列に接続して構成される組電池を複数有し、これらの組電池を更に直列に接続して構成される車両用電池の充放電制御装置において、
電池の電流を検出する電流検出手段と、
組電池の電圧を検出する電圧検出手段と、
組電池内の代表の単電池の温度を検出する温度検出手段と、
所定の充放電時間によって単電池間に一定の温度差が生じた場合における単電池の温度と単電池を流れる電流と単電池間の電圧差との関係をデータとして予め記憶する記憶部と、
記憶部のデータと検出した温度と検出した電流とに基づいて組電池内の単電池間の電圧差を推定する電圧差推定手段と、
推定した電圧差と検出した電圧とに基づいて組電池内における単電池の最高電圧と最低電圧とを算出する電圧算出手段と、
電圧算出手段の算出結果に基づいて電池の充放電を制御する制御手段と、
を有することを特徴とする車両用電池の充放電制御装置。 - 請求項1に記載の車両用電池の充放電制御装置において、
前記制御手段は、電圧算出手段により算出された最高電圧が上限値を超える場合、電池の充電を禁止するように制御することを特徴とする車両用電池の充放電制御装置。 - 請求項1または2に記載の車両用電池の充放電制御装置において、
前記制御手段は、電圧手段により算出された最低電圧が下限値未満の場合、電池の放電を禁止するように制御することを特徴とする車両用電池の充放電制御装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2008140568A JP5092903B2 (ja) | 2008-05-29 | 2008-05-29 | 車両用電池の充放電制御装置 |
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JP2008140568A JP5092903B2 (ja) | 2008-05-29 | 2008-05-29 | 車両用電池の充放電制御装置 |
Publications (2)
Publication Number | Publication Date |
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JP2009290984A JP2009290984A (ja) | 2009-12-10 |
JP5092903B2 true JP5092903B2 (ja) | 2012-12-05 |
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JP2008140568A Active JP5092903B2 (ja) | 2008-05-29 | 2008-05-29 | 車両用電池の充放電制御装置 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5460299B2 (ja) | 2009-12-22 | 2014-04-02 | ローレル精機株式会社 | 硬貨処理機 |
JP5471767B2 (ja) * | 2010-04-23 | 2014-04-16 | パナソニック株式会社 | 電源装置 |
EP2712046B1 (en) * | 2011-05-16 | 2019-07-17 | Hitachi Automotive Systems, Ltd. | Battery control device |
CN111142024B (zh) * | 2018-11-05 | 2022-03-22 | 湖南中车时代电动汽车股份有限公司 | 一种电池单体不均衡故障的检测方法及装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08140206A (ja) * | 1994-11-09 | 1996-05-31 | Fuji Heavy Ind Ltd | 電気自動車のバッテリ管理方法 |
JP4821363B2 (ja) * | 2006-02-21 | 2011-11-24 | 日産自動車株式会社 | 組電池制御装置および組電池制御方法 |
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