JP7205451B2 - 車両および車両の制御方法 - Google Patents
車両および車両の制御方法 Download PDFInfo
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- JP7205451B2 JP7205451B2 JP2019219550A JP2019219550A JP7205451B2 JP 7205451 B2 JP7205451 B2 JP 7205451B2 JP 2019219550 A JP2019219550 A JP 2019219550A JP 2019219550 A JP2019219550 A JP 2019219550A JP 7205451 B2 JP7205451 B2 JP 7205451B2
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- 238000000034 method Methods 0.000 title description 11
- 238000001816 cooling Methods 0.000 claims description 42
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 10
- 239000001257 hydrogen Substances 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 10
- 238000004378 air conditioning Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- B60L53/20—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 converters located in the vehicle
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- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
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- H05K7/00—Constructional details common to different types of electric apparatus
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- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Description
(3)機器は、車両の外部から供給される電力により車両に搭載された蓄電装置を充電する充電器である。
<車両の全体構成>
図1は、実施の形態1に係る車両の全体構成を概略的に示す回路ブロック図である。図1を参照して、本実施の形態において、車両1は燃料電池車である。また、車両1は、車両1の外部から供給される電力による外部充電(いわゆるプラグイン充電)が可能にも構成されている。すなわち、車両1は、プラグイン燃料電池車(PFCV:Plug-in Fuel Cell Vehicle)である。ただし、車両1がFCVであることは必須ではない。車両1は、燃料電池に代えてエンジンが搭載された通常のプラグインハイブリッド車両(PHV:Plug-in Hybrid Vehicle)であってもよい。
車両1には、5つの降圧コンバータ33,61,62,71,72が設けられている。各降圧コンバータ33,61,62,71,72の回路構成は基本的に共通であるため、以下では、降圧コンバータ61の回路構成について代表的に説明する。
本実施の形態では、車両1の動作状況に応じた補機バッテリ5の充電制御が実行される。より詳細には、車両1が走行可能な状態(ReadyON状態)である場合と、そうでない場合(たとえば、プラグイン充電のため車両1が走行不能な状態である場合)とでは、補機バッテリ5の充電制御が異なる。実施の形態1では、車両1のReadyON状態における補機バッテリ5の充電制御について説明する。
図5は、実施の形態1における補機バッテリ5の充電制御を示すフローチャートである。図5ならびに後述する図8および図9に示すフローチャートは、たとえば、予め定められた条件の成立時または制御周期が経過する毎に実行される。これらのフローチャートに含まれる各ステップは、基本的にはECU100によるソフトウェア処理によって実現されるが、ECU100内に作製された専用のハードウェア(電気回路)によって実現されてもよい。以下、ステップを「S」と略す。
実施の形態1では、車両1がReadyON状態である場合の補機バッテリ5の充電制御について説明した。実施の形態2においては、車両1のプラグイン充電が行われる場合の補機バッテリ5の充電制御について説明する。なお、実施の形態2における車両1の構成は、実施の形態1における車両1の構成(図1参照)と同様である。
実施の形態1にて説明した補機バッテリ5の充電制御と、実施の形態2にて説明した補機バッテリ5の充電制御とを組み合わせてもよい。
Claims (1)
- 第1の目標電圧を生成するように降圧動作を行い、降圧した電力を第1の電力線に出力する第1の降圧コンバータと、
第2の目標電圧を生成するように降圧動作を行い、降圧した電力を前記第1の電力線に出力する第2の降圧コンバータと、
第3の目標電圧を生成するように降圧動作を行い、降圧した電力を第2の電力線に出力する第3の降圧コンバータと、
第4の目標電圧を生成するように降圧動作を行い、降圧した電力を前記第2の電力線に出力する第4の降圧コンバータと、
前記第1~第4の降圧コンバータの降圧動作により充電される補機電池と、
前記第1~第4の目標電圧を前記第1~第4の降圧コンバータにそれぞれ出力する制御装置と、
車両の走行用モータを駆動する電力変換装置と、
前記車両の外部から供給される電力により前記車両に搭載された蓄電装置を充電する充電器と、
前記電力変換装置を冷却する第1の冷却システムと、
前記充電器を冷却する第2の冷却システムとを備え、
前記第1の降圧コンバータは、前記電力変換装置の内部に配置され、
前記第2の降圧コンバータは、前記電力変換装置および前記充電器の外部に配置され、
前記第3の降圧コンバータは、前記充電器の内部に配置され、
前記第4の降圧コンバータは、前記電力変換装置の内部に配置され、
前記制御装置は、
前記電力変換装置を動作させる場合、前記第1の目標電圧を前記第2の目標電圧よりも高くし、
前記充電器を動作させる場合、前記第3の目標電圧を前記第4の目標電圧よりも高くする、車両。
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