JP2019068671A - 電池制御装置及び電源システム - Google Patents
電池制御装置及び電源システム Download PDFInfo
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- H—ELECTRICITY
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- 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
- H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
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- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- 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
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
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- 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
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- 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
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- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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Abstract
【解決手段】蓄電池11と、蓄電池11に接続された電気機器13,14,15と、各電池セル11aの電圧を検出するセル監視装置42と、を備え、蓄電池11からセル監視装置42に電源供給可能となっている電源システムUに適用され、蓄電池11の充放電時における充放電電流に基づいて蓄電池11の残存容量を算出する電池制御装置41であって、セル監視装置42にて検出された各電池セル11aの電圧の和を総セル電圧として算出する総セル電圧算出部と、通電経路L2に設けられた抵抗21のセル監視装置42側の電圧を取得する電圧取得部と、総セル電圧と電圧取得部で取得された電圧とに基づいて、セル監視装置42にて消費される消費電流を算出する消費電流算出部と、充放電電流と消費電流とに基づいて、残存容量を算出する残存容量算出部と、を備える。
【選択図】 図1
Description
Claims (6)
- 複数の電池セル(11a)を有してなる蓄電池(11)と、前記蓄電池に接続された電気機器(13,14,15)と、前記蓄電池の各電池セルに接続され、当該各電池セルの電圧を検出するセル監視装置(42)と、を備え、前記蓄電池と前記電気機器との間に接続された通電経路によって前記蓄電池から前記セル監視装置に電源供給可能となっている電源システム(U)に適用され、
前記蓄電池の充放電時における充放電電流に基づいて前記蓄電池の残存容量を算出する電池制御装置(41)であって、
前記セル監視装置にて検出された前記各電池セルの電圧の和を総セル電圧として算出する総セル電圧算出部と、
前記通電経路に設けられた抵抗(21)の前記セル監視装置側の電圧を取得する電圧取得部と、
前記総セル電圧と前記電圧取得部で取得された電圧とに基づいて、前記セル監視装置にて消費される消費電流を算出する消費電流算出部と、
前記充放電電流と前記消費電流とに基づいて、前記残存容量を算出する残存容量算出部と、
を備える電池制御装置。 - 前記蓄電池からの給電により作動する電池制御装置であって、
前記通電経路において前記抵抗と前記セル監視装置との間から分岐された分岐経路に接続されている請求項1に記載の電池制御装置。 - 前記蓄電池としての第1蓄電池(10)と、その第1蓄電池とは別の第2蓄電池(12)とを備え、前記第1蓄電池及び前記第2蓄電池が前記セル監視装置に接続されている電源システムに適用され、
前記セル監視装置による監視動作時において、前記第1蓄電池及び前記第2蓄電池の少なくともいずれかの蓄電状態に基づいて、前記第1蓄電池及び前記セル監視装置の間に設けられた第1スイッチ(22)と、前記第2蓄電池及び前記セル監視装置の間に設けられた第2スイッチ(25)との開閉を制御するスイッチ制御部を備える請求項1又は請求項2に記載の電池制御装置。 - 前記セル監視装置による監視動作時において、前記セル監視装置の監視結果に基づいて前記第1蓄電池の異常の有無を判定する異常判定部を備え、
前記スイッチ制御部は、前記異常判定部によって異常を検出した場合に、前記第1スイッチを開き、前記第2スイッチを閉じる請求項3に記載の電池制御装置。 - 複数の電池セルを有してなる第1蓄電池(11)と、前記第1蓄電池の各電池セルに接続され、当該各電池セルの電圧を検出するセル監視装置(42)と、前記第1蓄電池とは別の第2蓄電池(12)から給電され、前記第1蓄電池に接続された電気機器(13,14,15)への充放電時における充放電電流に基づいて前記蓄電池の残存容量を算出する電池制御装置(41)と、を備える電源システム(U)であって、
前記第1蓄電池は、前記電気機器への電気経路から分岐した通電経路に設けられた抵抗(21)を介して前記セル監視装置及び前記電池制御装置に接続されており、
前記電池制御装置は、
前記セル監視装置にて検出された前記各電池セルの電圧の和を総セル電圧として算出する総セル電圧算出部と、
前記抵抗の前記セル監視装置側の端の電圧を取得する電圧取得部と、
前記総セル電圧と前記電圧取得部で取得された電圧との差に基づいて、前記セル監視装置及び前記電池制御装置にて消費される消費電流を算出する消費電流算出部と、
前記充放電電流と前記消費電流とに基づいて、前記残存容量を算出する残存容量算出部と、
を備える電源システム。 - 前記第1蓄電池及び前記第2蓄電池が前記セル監視装置に接続されている電源システムに適用され、
前記電池制御装置は、前記セル監視装置による監視動作時において、前記第1蓄電池及び前記第2蓄電池の少なくともいずれかの蓄電状態に基づいて、前記第1蓄電池及び前記セル監視装置の間に設けられた第1スイッチ(22)と、前記第2蓄電池及び前記セル監視装置の間に設けられた第2スイッチ(25)との開閉を制御するスイッチ制御部を備える請求項5に記載の電源システム。
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JP2017193836A JP6972871B2 (ja) | 2017-10-03 | 2017-10-03 | 電池制御装置及び電源システム |
DE102018124294.8A DE102018124294A1 (de) | 2017-10-03 | 2018-10-02 | Batteriesteuervorrichtung und Energiezufuhrsystem |
US16/150,537 US10739410B2 (en) | 2017-10-03 | 2018-10-03 | Battery control apparatus and power supply system |
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US11719675B2 (en) * | 2018-05-11 | 2023-08-08 | Battery Solutions, LLC | Gas detection device for lithium-ion battery storage system |
US10921378B2 (en) * | 2019-02-25 | 2021-02-16 | Ford Global Technologies, Llc | System for measuring voltage differences between battery cells and for obtaining battery cell voltages using the voltage differences |
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JP2010183831A (ja) * | 2009-02-04 | 2010-08-19 | Samsung Sdi Co Ltd | バッテリーパックのバランシング方法、バッテリーセルバランシングシステム、及びバッテリーパック |
JP2014020798A (ja) * | 2012-07-12 | 2014-02-03 | Makita Corp | 測定システム |
JP2017070024A (ja) * | 2015-09-29 | 2017-04-06 | 日立オートモティブシステムズ株式会社 | 電池監視装置 |
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JP4827457B2 (ja) * | 2005-08-11 | 2011-11-30 | 富士通株式会社 | 電子機器およびバッテリ装置 |
US9340122B2 (en) * | 2011-05-31 | 2016-05-17 | Hitachi Automotive Systems, Ltd. | Battery system monitoring apparatus |
JP5737207B2 (ja) * | 2012-02-15 | 2015-06-17 | 三菱自動車工業株式会社 | 電圧バランス制御装置 |
WO2013128810A1 (ja) * | 2012-02-29 | 2013-09-06 | Necエナジーデバイス株式会社 | 電池制御システム、電池パック、電子機器 |
JP6972871B2 (ja) * | 2017-10-03 | 2021-11-24 | 株式会社デンソー | 電池制御装置及び電源システム |
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JP2010183831A (ja) * | 2009-02-04 | 2010-08-19 | Samsung Sdi Co Ltd | バッテリーパックのバランシング方法、バッテリーセルバランシングシステム、及びバッテリーパック |
JP2014020798A (ja) * | 2012-07-12 | 2014-02-03 | Makita Corp | 測定システム |
JP2017070024A (ja) * | 2015-09-29 | 2017-04-06 | 日立オートモティブシステムズ株式会社 | 電池監視装置 |
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