JP5862631B2 - 蓄電システム - Google Patents
蓄電システム Download PDFInfo
- Publication number
- JP5862631B2 JP5862631B2 JP2013211141A JP2013211141A JP5862631B2 JP 5862631 B2 JP5862631 B2 JP 5862631B2 JP 2013211141 A JP2013211141 A JP 2013211141A JP 2013211141 A JP2013211141 A JP 2013211141A JP 5862631 B2 JP5862631 B2 JP 5862631B2
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- power
- battery
- auxiliary battery
- value
- soc
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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
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/13—Maintaining the SoC within a determined range
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
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- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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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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- General Chemical & Material Sciences (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Description
(実施例1)
図7から図11は、実施例2を示す図である。本実施例は、上記実施例1において、ハイレート劣化に応じた組電池10の許容出力電力SWout及び許容入力電力SWinの制限が実施される前に、補機バッテリ40の充放電電力によるハイレート劣化解消制御及び抑制制御を実施する。
図12から図14は、実施例3を示す図である。本実施例は、組電池10の電流経路に備えられる通電部品の過熱保護の観点から制限される組電池10の許容出力電力及び許容入力電力に対し、車両要求出力に対する電力不足を補機バッテリ40の電力で補い、また、組電池10に充電しきれない回生電力を補機バッテリに充電させるものである。
図15及び図16は、実施例4を示す図である。上記実施例1,2に示した電池保護の観点以外にも、組電池10の過放電や過充電の保護の観点から制限される組電池10の入出力電力に対し、車両要求出力に対する電力不足を補機バッテリ40の電力で補い、また、組電池10に充電しきれない回生電力を補機バッテリに充電させることができる。
図17は、実施例5を示す図である。本実施例は、上記実施例1から4で説明した組電池10の入出力制限及び補機バッテリ40の充放電制御を個別に実行する場合において、各入出力制限のうち最も制限量が大きい入出力制限、言い換えれば、組電池10の入出力制限によって補機バッテリ40に要求される充放電電力のうち最も大きい充放電電力を選択して、選択された組電池10の入出力制限及び補機バッテリ40の充放電制御を遂行する態様について説明する。
11:単電池
21:電圧センサ
22:電流センサ
23:温度センサ
24:インバータ
25:駆動輪
26:動力分割機構
27:エンジン
30:コントローラ
31:メモリ
40:補機バッテリ
41:双方向型DCDCコンバータ
42:補機
43:電流センサ
44:電圧センサ
MG1,MG2:モータ・ジェネレータ
PL:正極ライン、NL:負極ライン
SMR−B,SMR−G:システムメインリレー
Claims (6)
- 車両の走行用モータに電力を供給し、非水二次電池で構成されるメインバッテリと、
車両に搭載される補機に電力を供給する補機バッテリと、
前記メインバッテリから前記走行用モータへの電力供給経路と前記補機バッテリとの間に設けられ、前記電力供給経路から前記補機バッテリへの出力電圧を降圧し、前記補機バッテリから前記電力供給経路への出力電圧を昇圧する双方向型DCDCコンバータと、
前記補機バッテリの充放電を制御するコントローラと、を備え、
前記コントローラは、前記メインバッテリの許容出力電力が低下して車両要求出力に対する電力不足が生じる場合に、前記双方向型DCDCコンバータを用いて前記補機バッテリを放電させて前記電力供給経路に電力を供給させるとともに、前記メインバッテリの許容入力電力が低下して前記走行用モータによって発生した回生電力が前記メインバッテリに充電しきれない場合に、前記双方向型DCDCコンバータを用いて前記回生電力の一部を前記補機バッテリに充電させ、
前記コントローラは、前記許容出力電力を超えないように前記メインバッテリの放電電力を制御するとともに、前記メインバッテリの充放電時における電流値に基づいて、前記メインバッテリの放電による電解質中におけるイオン濃度の偏りに伴って前記メインバッテリの出力性能を低下させる劣化成分を評価するための評価値を算出し、前記評価値が目標値を超えたときに、前記許容出力電力を低下させ、
前記コントローラは、前記評価値が前記目標値を超える前において、前記イオン濃度の偏りが放電側に偏っている状態を前記評価値が示すとき、前記メインバッテリの充電制御において、前記双方向型DCDCコンバータを用いて前記補機バッテリを放電させ、前記補機バッテリの電力を前記メインバッテリに充電させることを特徴とする蓄電システム。 - 前記イオン濃度の偏りが放電側に偏っている状態を示す前記評価値として、前記許容出力電力を低下させるための前記目標値よりも小さい第2目標値が設定され、
前記コントローラは、前記評価値が前記第2目標値を超えたとき、前記メインバッテリの充電制御において、前記双方向型DCDCコンバータを用いて前記補機バッテリを放電させ、前記メインバッテリの充電量を増加させることを特徴とする請求項1に記載の蓄電システム。 - 前記コントローラは、前記評価値が前記目標値を超えた後も継続して前記双方向型DCDCコンバータを用いて前記補機バッテリを放電させ、前記補機バッテリの電力を前記メインバッテリに充電させることを特徴とする請求項1又は2に記載の蓄電システム。
- 前記コントローラは、前記メインバッテリの充電による電解質中におけるイオン濃度の偏りに伴って前記メインバッテリの入力性能を低下させる劣化成分を評価するための第2評価値を算出し、前記第2評価値が第3目標値を超えたときに、前記許容入力電力を低下させ、
前記コントローラは、前記第2評価値が前記第3目標値を超える前において、前記イオン濃度の偏りが充電側に偏っている状態を前記第2評価値が示すとき、前記メインバッテリの放電制御において、前記双方向型DCDCコンバータを介して前記メインバッテリの電力を前記補機バッテリに充電させることを特徴とする請求項1から3のいずれか1つに記載の蓄電システム。 - 車両の走行用モータに電力を供給し、非水二次電池で構成されるメインバッテリと、
車両に搭載される補機に電力を供給する補機バッテリと、
前記メインバッテリから前記走行用モータへの電力供給経路と前記補機バッテリとの間に設けられ、前記電力供給経路から前記補機バッテリへの出力電圧を降圧し、前記補機バッテリから前記電力供給経路への出力電圧を昇圧する双方向型DCDCコンバータと、
前記補機バッテリの充放電を制御するコントローラと、を備え、
前記コントローラは、前記メインバッテリの許容出力電力が低下して車両要求出力に対する電力不足が生じる場合に、前記双方向型DCDCコンバータを用いて前記補機バッテリを放電させて前記電力供給経路に電力を供給させるとともに、前記メインバッテリの許容入力電力が低下して前記走行用モータによって発生した回生電力が前記メインバッテリに充電しきれない場合に、前記双方向型DCDCコンバータを用いて前記回生電力の一部を前記補機バッテリに充電させ、
前記コントローラは、前記許容出力電力を超えないように前記メインバッテリの放電電力を制御するとともに、前記メインバッテリの充放電時における電流値に基づいて、前記メインバッテリの放電による電解質中におけるイオン濃度の偏りに伴って前記メインバッテリの出力性能を低下させる劣化成分を評価するための評価値を算出し、前記評価値が目標値を超えたときに、前記許容出力電力を低下させ、
前記コントローラは、前記評価値が前記目標値を超える前において前記イオン濃度の偏りが放電側に偏っている状態を前記評価値が示すとき、前記補機バッテリのSOCの目標SOCを所定のSOC値よりも高い第1SOC値に設定し、設定された目標SOCに沿うように、前記補機バッテリの充放電を制御することを特徴とする蓄電システム。 - 前記コントローラは、前記許容入力電力を超えないように前記メインバッテリの充電電力を制御するとともに、前記メインバッテリの充放電時における電流値に基づいて、前記メインバッテリの充電による電解質中におけるイオン濃度の偏りに伴って前記メインバッテリの入力性能を低下させる劣化成分を評価するための第2評価値を算出し、前記第2評価値が第2目標値を超えたときに、前記許容入力電力を低下させ、
前記コントローラは、前記第2評価値が前記第2目標値を超える前において前記イオン濃度の偏りが充電側に偏っている状態を前記第2評価値が示すとき、前記補機バッテリのSOCの目標SOCを前記所定のSOC値よりも低い第2SOC値に設定し、設定された目標SOCに沿うように、前記補機バッテリの充放電を制御することを特徴とする請求項5に記載の蓄電システム。
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JP5066027B2 (ja) * | 2008-07-24 | 2012-11-07 | 株式会社東芝 | 電動車両制御装置 |
JP4715881B2 (ja) * | 2008-07-25 | 2011-07-06 | トヨタ自動車株式会社 | 電源システムおよびそれを備えた車両 |
JP5036662B2 (ja) | 2008-09-03 | 2012-09-26 | トヨタ自動車株式会社 | 二次電池の監視装置及び二次電池システム |
JP5577775B2 (ja) * | 2010-03-17 | 2014-08-27 | トヨタ自動車株式会社 | 電動車両用電源装置 |
EP2641771B1 (en) * | 2010-11-19 | 2017-04-19 | Toyota Jidosha Kabushiki Kaisha | Vehicle charging device |
US8760111B2 (en) * | 2011-02-03 | 2014-06-24 | Toyota Jidosha Kabushiki Kaisha | Secondary battery output power controller |
US20140015456A1 (en) * | 2011-03-29 | 2014-01-16 | Panasonic Corporation | Vehicle power supply device |
FR2975839B1 (fr) * | 2011-05-23 | 2013-05-17 | Renault Sa | Procede de rechargement d'un couple de batteries de vehicule de tensions nominales differentes, et systeme associe |
JP5720554B2 (ja) * | 2011-12-13 | 2015-05-20 | トヨタ自動車株式会社 | 非水二次電池の制御装置および制御方法 |
JP5660102B2 (ja) * | 2012-10-16 | 2015-01-28 | トヨタ自動車株式会社 | 車両の電源装置 |
JP5931705B2 (ja) * | 2012-11-28 | 2016-06-08 | 三菱重工業株式会社 | 充放電制御装置、充放電制御システム、充放電制御方法およびプログラム |
CN104838573B (zh) * | 2012-12-04 | 2017-07-28 | 沃尔沃卡车公司 | 电源装置 |
KR101526666B1 (ko) * | 2013-06-10 | 2015-06-05 | 현대자동차주식회사 | 저전압 dc-dc 컨버터 듀티 제어 방법 |
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2013
- 2013-10-08 JP JP2013211141A patent/JP5862631B2/ja active Active
-
2014
- 2014-10-01 US US15/026,110 patent/US9849793B2/en active Active
- 2014-10-01 WO PCT/IB2014/001994 patent/WO2015052567A1/en active Application Filing
- 2014-10-01 CN CN201480055084.7A patent/CN105612081B/zh not_active Expired - Fee Related
Cited By (2)
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US11186197B2 (en) | 2016-10-05 | 2021-11-30 | Samsung Electronics Co., Ltd. | Method of controlling temperature of battery, and battery management apparatus and system |
FR3137877A1 (fr) * | 2022-07-13 | 2024-01-19 | Psa Automobiles Sa | Systeme pour charger une batterie de traction de vehicule automobile a partir d’une batterie a basse tension, vehicule et procede sur la base d’un tel systeme |
Also Published As
Publication number | Publication date |
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CN105612081A (zh) | 2016-05-25 |
US9849793B2 (en) | 2017-12-26 |
US20160236581A1 (en) | 2016-08-18 |
JP2015076958A (ja) | 2015-04-20 |
CN105612081B (zh) | 2017-10-03 |
WO2015052567A1 (en) | 2015-04-16 |
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