JP2008105478A - バッテリ状態検出装置 - Google Patents
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/11—DC charging controlled by the charging station, e.g. mode 4
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- 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
- G01R31/3828—Arrangements for monitoring battery or accumulator variables, e.g. SoC using current integration
- G01R31/3832—Arrangements for monitoring battery or accumulator variables, e.g. SoC using current integration without measurement of battery voltage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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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
- H02J7/16—Regulation of the charging current or voltage by variation of field
- H02J7/163—Regulation of the charging current or voltage by variation of field with special means for initiating or limiting the excitation current
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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
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- 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
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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
- 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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
【解決手段】バッテリ5の充放電電流を検出する充放電電流検出部600と、この検出結果に基づいて、充電中のときに充電電流の減少加速度が負の値からゼロになったことを検出する充電電流減少加速度ゼロ検出部602と、充電電流の減少加速度が負の値からゼロになったことが検出されるまでの間、バッテリ5に供給される充電電流を積算することにより、バッテリ5の積算充電量を算出する積算充電量算出部604と、バッテリ5に充電電流を供給する車両用発電機3の発電量を制御することによりバッテリ5の放電電流を一定に維持する発電機制御部606と、発電機制御部606の制御による放電電流の積算値が積算充電量に達したときに、直前の充電中にバッテリ5に発生した充電側分極の解消を検出する分極解消判定部608とが備わっている。
【選択図】図2
Description
(1)センサから離れて配置された充電分極解消検出装置で検出を行っており、通常はエンジンルーム内にバッテリが配置されるため、点火ノイズなどが重畳しやすく、充電電流の減少加速度が負の値から0となる時点の検出誤差が大きかった。また、電流検出周期と周期が一致した点火ノイズなどの周期性ノイズが電流検出のオフセット誤差となり、電流積算値に誤差が生じ、分極解消検出に誤差が生じていた。
(2)一定放電させる余分な負荷を備える必要があり、そのためのスペース確保が必要であるとともに、この負荷によって無駄に電力が消費されていた。
(3)放電用の負荷として、所定の負荷が作動するのを待つ方法や、成り行きの放電量を積算する方法では、充電分極解消までの時間がばらつき、時間経過による分極解消の影響の程度もばらつくため、精度よく分極解消を検出することができなかった。
このようにして算出された出力電流指示値あるいはこの出力電流指示値で指定される出力電流を実現するための指示値(例えば、出力電流指示値で指定される出力電流を実現する励磁電流指示値)が車両用発電制御装置4に送信される(ステップ212)。これにより、車両用発電制御装置4によって車両用発電機3の出力電流が出力電流指示値となるように制御される。
2 エンジン
3 車両用発電機(ALT)
4 車両用発電制御装置
5 バッテリ(BATT)
6 バッテリ状態検出装置(S)
7 キースイッチ
600 充放電電流検出部
602 充電電流減少加速度ゼロ検出部
604 積算充電量算出部
606 発電機制御部
608 分極解消判定部
Claims (6)
- バッテリの充放電電流を検出する充放電電流検出手段と、
前記充放電電流検出手段による検出結果に基づいて、充電中のときに充電電流の減少加速度が負の値からゼロになったことを検出する充電電流減少加速度ゼロ検出手段と、
前記充電電流減少加速度ゼロ検出手段によって充電電流の減少加速度が負の値からゼロになったことが検出されるまでの間、前記バッテリに供給される充電電流を積算することにより、前記バッテリの積算充電量を算出する積算充電量算出手段と、
前記バッテリに充電電流を供給する車両用発電機の発電量を制御することにより、前記バッテリの放電電流を一定に維持する発電機制御手段と、
前記発電機制御手段の制御による放電電流の積算値が前記積算充電量に達したときに、直前の充電中に前記バッテリに発生した充電側分極の解消を検出する分極解消判定手段と、
を備えることを特徴とするバッテリ状態検出装置。 - 請求項1において、
前記車両用発電機は、前記バッテリの端子電圧が所定の発電機目標電圧となるように制御する機能を有しており、
前記発電機制御手段は、前記充放電電流検出手段によって検出された放電電流と所定の目標放電電流とを比較し、前記発電機目標電圧を上下させることを特徴とするバッテリ状態検出装置。 - 請求項1において、
前記発電機制御手段は、
前記車両用発電機の出力電流を算出する出力電流算出手段と、
前記出力電流算出手段によって算出された出力電流に基づいて、前記バッテリの放電電流が所定の目標放電電流になるように前記車両用発電機の出力電流を制御する出力電流制御手段と、
を有することを特徴とするバッテリ状態検出装置。 - 請求項3において、
前記車両用発電機の出力電流を検出する出力電流検出手段をさらに備え、
前記出力電流制御手段は、前記出力電流検出手段によって検出された出力電流に基づいて、前記車両用発電機の出力電流を補正することを特徴とするバッテリ状態検出装置。 - 請求項1において、
前記充電電流減少加速度ゼロ検出手段、前記積算充電量算出手段、前記発電機制御手段、前記分極解消判定手段を前記充放電電流検出手段とともに前記バッテリの端子に近接した位置に配置することを特徴とするバッテリ状態検出装置。 - 請求項5において、
前記充放電電流検出手段は、前記バッテリの端子あるいは筐体に取り付けられた電流センサであり、この電流センサに前記充電電流減少加速度ゼロ検出手段、前記積算充電量算出手段、前記発電機制御手段、前記分極解消判定手段を内蔵させたことを特徴とするバッテリ状態検出装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006288224A JP4577294B2 (ja) | 2006-10-24 | 2006-10-24 | バッテリ状態検出装置 |
DE102007050628.9A DE102007050628B8 (de) | 2006-10-24 | 2007-10-23 | Vorrichtung zum Erfassen der Aufhebung der Ladungspolarisation einer Batterie |
CN200710182043A CN100578853C (zh) | 2006-10-24 | 2007-10-24 | 用于检测电池充电状态的设备 |
US11/976,395 US8203311B2 (en) | 2006-10-24 | 2007-10-24 | Battery condition detecting apparatus that detect cancellation of a polarization of a battery |
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JP2006288224A JP4577294B2 (ja) | 2006-10-24 | 2006-10-24 | バッテリ状態検出装置 |
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JP2008105478A true JP2008105478A (ja) | 2008-05-08 |
JP4577294B2 JP4577294B2 (ja) | 2010-11-10 |
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US (1) | US8203311B2 (ja) |
JP (1) | JP4577294B2 (ja) |
CN (1) | CN100578853C (ja) |
DE (1) | DE102007050628B8 (ja) |
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TWI402525B (zh) * | 2010-06-10 | 2013-07-21 | Compal Communication Inc | 內阻式多電池單元檢測電路及具電池檢測功能之電池組 |
WO2013145853A1 (ja) * | 2012-03-30 | 2013-10-03 | 日立オートモティブシステムズ株式会社 | 電子制御装置 |
JP2016518803A (ja) * | 2013-04-15 | 2016-06-23 | ボルボトラックコーポレーション | エネルギー貯蔵システムを充電する間の誤りを検出する方法及び構造 |
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JP5591815B2 (ja) * | 2009-10-05 | 2014-09-17 | 日本碍子株式会社 | 制御装置、制御装置網及び制御方法 |
CN102577010B (zh) * | 2009-10-05 | 2015-06-24 | 日本碍子株式会社 | 控制装置、控制装置网以及控制方法 |
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JP5817566B2 (ja) * | 2012-02-02 | 2015-11-18 | 株式会社デンソー | 電力検出システム |
KR101558780B1 (ko) * | 2014-06-10 | 2015-10-12 | 현대자동차주식회사 | 배터리 잔존에너지 추정방법 |
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2006
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Cited By (7)
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TWI402525B (zh) * | 2010-06-10 | 2013-07-21 | Compal Communication Inc | 內阻式多電池單元檢測電路及具電池檢測功能之電池組 |
WO2013145853A1 (ja) * | 2012-03-30 | 2013-10-03 | 日立オートモティブシステムズ株式会社 | 電子制御装置 |
JP2013210855A (ja) * | 2012-03-30 | 2013-10-10 | Hitachi Automotive Systems Ltd | 電子制御装置 |
CN104094189A (zh) * | 2012-03-30 | 2014-10-08 | 日立汽车***株式会社 | 电子控制装置 |
CN104094189B (zh) * | 2012-03-30 | 2016-11-09 | 日立汽车***株式会社 | 电子控制装置 |
US9600047B2 (en) | 2012-03-30 | 2017-03-21 | Hitachi Automotive Systems, Ltd. | Electronic control unit |
JP2016518803A (ja) * | 2013-04-15 | 2016-06-23 | ボルボトラックコーポレーション | エネルギー貯蔵システムを充電する間の誤りを検出する方法及び構造 |
Also Published As
Publication number | Publication date |
---|---|
JP4577294B2 (ja) | 2010-11-10 |
DE102007050628A1 (de) | 2008-05-29 |
CN100578853C (zh) | 2010-01-06 |
US8203311B2 (en) | 2012-06-19 |
DE102007050628B4 (de) | 2016-06-16 |
CN101170202A (zh) | 2008-04-30 |
DE102007050628B8 (de) | 2016-08-11 |
US20080094034A1 (en) | 2008-04-24 |
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