JP2008149897A - 電源回路の制御装置 - Google Patents
電源回路の制御装置 Download PDFInfo
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- B60L50/00—Electric propulsion with power supplied within the vehicle
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- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
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- 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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- B60L58/15—Preventing overcharging
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
- B60L58/31—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for starting of fuel cells
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- B60—VEHICLES IN GENERAL
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- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
- B60L2210/12—Buck converters
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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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
- B60L2210/14—Boost converters
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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
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/20—Inrush current reduction, i.e. avoiding high currents when connecting the battery
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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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- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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- 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
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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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- Y02T10/00—Road transport of goods or passengers
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- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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Abstract
【解決手段】走行用バッテリ220の一部のセル群222の電圧検出線を用いてコンデンサ228が充電される。この一部のセル群222およびコンデンサ228の電圧値はECU400や補機用バッテリ600の定格電圧値に等しいか略等しい。セル群222とコンデンサ228との間はノーマルクローズリレーであるスイッチSWG224、SWB226を介して接続される。ECU400が作動するまではこれらのスイッチによりセル群222とコンデンサ228との間が電気的に接続されてコンデンサ228が充電されている。システム起動指令を検出したときに補機用バッテリ600から供給される電力が小さくてもコンデンサ228から供給される電力によりシステム起動を完了させる。
【選択図】図3
Description
ハイブリッドシステムの起動要求であるシステム起動指令信号が検出されると(S1000にてYES)、補機用バッテリ600からECU400への供給電圧値B(1)が検出される(S1100)。補機用バッテリ600が十分に充電された状態であると、この電圧値B(1)がしきい値以上である(S1200にてYES)。
補機用バッテリ600が十分に高い電圧値の電力をECU400に供給していないために、ECU400は、+B(2)端子420に接続されたコンデンサ228から供給された電力により以下の処理を実行する。
Claims (6)
- 車両補機用の低電圧蓄電機構と走行負荷用の高電圧蓄電機構とから構成される電源回路の制御装置であって、前記高電圧蓄電機構は複数の蓄電機構が直列に接続されて構成され、
前記制御装置は、前記低電圧蓄電機構および起動用蓄電機構の少なくともいずれかから供給された電力により作動され、
前記電源回路は、
前記走行負荷と前記高電圧蓄電機との間の状態を、電気的な接続状態および非接続状態のいずれかの状態に切換えるための第1の切換手段と、
前記複数の蓄電機構の中の一部の蓄電機構により充電される起動用蓄電機構と、
前記一部の蓄電機構と前記起動用蓄電機構との間の状態を、電気的な接続状態および非接続状態のいずれかの状態に切換えるための第2の切換手段とを含み、
前記第2の切換手段は、前記制御装置から電力が供給されると前記一部の蓄電機構と前記起動用蓄電機構との間を非接続状態にするとともに、前記制御装置から電力が供給されないと前記一部の蓄電機構と前記起動用蓄電機構との間を接続状態にするための手段を含み、
前記制御装置は、
前記電源回路の作動開始要求を検出すると、前記走行負荷と前記一部の蓄電機構との間を電気的に接続状態とするように、前記第1の切換手段を制御するための手段と、
前記第1の切換手段により前記走行負荷と前記高電圧蓄電機とが電気的に接続状態になる前に、前記一部の蓄電機構と前記起動用蓄電機構との間が電気的に非接続状態になるように前記第2の切換手段を制御するための手段とを含む、制御装置。 - 前記第2の切換手段は、前記制御装置から励磁コイルに電力が供給されると前記一部の蓄電機構と前記起動用蓄電機構との間が電気的に非接続状態になり、前記制御装置から励磁コイルに電力が供給されないと前記一部の蓄電機構と前記起動用蓄電機構との間が電気的に接続状態になる、常閉リレーである、請求項1に記載の制御装置。
- 前記制御装置は、
前記低電圧蓄電機構から供給される電力が不足しているか否かを判断するための手段と、
前記低電圧蓄電機構から供給される電力が不足していると判断されると、前記高電圧蓄電機構の電力を前記低電圧蓄電機構に供給するための手段とをさらに含む、請求項1または2に記載の制御装置。 - 前記電源回路は、前記高電圧蓄電機構の電力を所望の電圧値まで変更するコンバータをさらに含み、
前記制御装置は、
前記低電圧蓄電機構から供給される電力が不足しているか否かを判断するための手段と、
前記低電圧蓄電機構から供給される電力が不足していると判断されると、前記高電圧蓄電機構の電力を、前記コンバータを用いて降圧した電力を、前記低電圧蓄電機構に供給するための手段とをさらに含む、請求項1または2に記載の制御装置。 - 前記高電圧蓄電機構は複数のバッテリセルが直列に接続されたバッテリであって、前記バッテリセルにはバッテリセルの電圧値を検出する電圧検出線が設けられ、
前記複数のバッテリセルの中の一部のバッテリセルと前記起動用蓄電機構とは、前記電圧検出線を用いて接続される、請求項1〜4のいずれかに記載の制御装置。 - 前記第1の切換手段は、前記走行負荷と前記高電圧蓄電機構の一方の極との電気的な通電/非通電を制御する第1のリレーおよび前記第1のリレーに直列に接続された抵抗を有する回路と、前記回路に並列に接続された第2のリレーとを含み、
前記第1の切換手段を制御するための手段は、前記第2のリレーを通電状態に切換える前に、前記第1のリレーを通電状態に切換えることにより、前記走行負荷側に設けられた平滑コンデンサのプリチャージ処理を実行するための手段を含む、請求項1〜5のいずれかに記載の制御装置。
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Cited By (18)
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JP2010054468A (ja) * | 2008-08-29 | 2010-03-11 | Sanyo Electric Co Ltd | 車両用の電源装置 |
JP2010119256A (ja) * | 2008-11-14 | 2010-05-27 | Toyota Motor Corp | 接続ユニットおよびそれを搭載する車両 |
JP2010166790A (ja) * | 2009-01-19 | 2010-07-29 | Denso Corp | 車載電源装置 |
JP2012055099A (ja) * | 2010-09-02 | 2012-03-15 | Omron Automotive Electronics Co Ltd | 電源制御装置 |
JP2012070593A (ja) * | 2010-09-27 | 2012-04-05 | Mitsubishi Electric Corp | 車両充電システムおよび車両充電方法 |
WO2012127659A1 (ja) * | 2011-03-23 | 2012-09-27 | 株式会社ユニバンス | 電気自動車及び電気自動車の電源装置 |
WO2013002167A1 (ja) * | 2011-06-28 | 2013-01-03 | 株式会社オートネットワーク技術研究所 | 車両用電源装置 |
WO2013011596A1 (ja) | 2011-07-15 | 2013-01-24 | 三菱電機株式会社 | 車両充電システムおよび車両充電方法 |
KR101251243B1 (ko) * | 2011-10-27 | 2013-04-08 | 엘에스산전 주식회사 | 전기자동차의 전원 공급 시스템 |
JP2013165623A (ja) * | 2012-02-13 | 2013-08-22 | Denso Corp | 電力変換装置 |
JP2013166499A (ja) * | 2012-02-16 | 2013-08-29 | Fuji Heavy Ind Ltd | ハイブリッド車両の電力供給装置 |
KR101305759B1 (ko) * | 2011-10-27 | 2013-09-06 | 엘에스산전 주식회사 | 전기자동차의 전원 공급 시스템 |
EP2789496A2 (de) * | 2012-12-18 | 2014-10-15 | MAN Truck & Bus AG | Batterieanordnung, insbesondere für ein elektrisch antreibbares Kraftfahrzeug |
KR20150068732A (ko) * | 2013-12-12 | 2015-06-22 | 현대자동차주식회사 | 차량용 배터리 관리 장치 |
WO2016002849A1 (ja) * | 2014-07-01 | 2016-01-07 | 東海旅客鉄道株式会社 | 鉄道車両 |
US9365114B2 (en) | 2010-12-07 | 2016-06-14 | Hyundai Motor Company | High voltage system of electric vehicles |
JP2021027707A (ja) * | 2019-08-06 | 2021-02-22 | ダイハツ工業株式会社 | 電池システム |
WO2022153804A1 (ja) * | 2021-01-18 | 2022-07-21 | 株式会社デンソー | 電力分配装置 |
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