JP7394156B2 - 充電制御システム - Google Patents
充電制御システム Download PDFInfo
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- JP7394156B2 JP7394156B2 JP2022022108A JP2022022108A JP7394156B2 JP 7394156 B2 JP7394156 B2 JP 7394156B2 JP 2022022108 A JP2022022108 A JP 2022022108A JP 2022022108 A JP2022022108 A JP 2022022108A JP 7394156 B2 JP7394156 B2 JP 7394156B2
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- 238000001816 cooling Methods 0.000 claims description 75
- 230000007613 environmental effect Effects 0.000 claims description 26
- 238000005057 refrigeration Methods 0.000 claims description 16
- 239000003507 refrigerant Substances 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
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- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
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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
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- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
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- B60L2240/40—Drive Train control parameters
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Description
外部電源からの電力により充電可能なバッテリと、
前記バッテリを冷却するバッテリ冷却装置と、
前記バッテリの充電及び前記バッテリの冷却を制御する制御装置と、を備える充電制御システムであって、
前記制御装置は、
走行予定計画に充電が含まれる場合、前記充電を行う充電システムに関する騒音情報及び前記充電が行われる充電場所の環境情報を取得する充電関連情報取得部と、
前記騒音情報及び前記環境情報に基づいて前記充電場所の静粛性要求を決定する静粛性要求決定部と、
前記静粛性要求に基づいて、前記充電場所への到着時又は前記充電の開始時の前記バッテリの目標温度を決定するバッテリ目標温度決定部と、
前記バッテリの目標温度に基づいて前記バッテリ冷却装置を制御するバッテリ冷却制御部と、を備え、
前記バッテリ目標温度決定部は、
前記静粛性要求が大きいとき、前記バッテリの目標温度を、前記静粛性要求が小さいときに比べて低く設定する。
充電制御システム10は、図1に示すように、バッテリBATと、温調装置16と、バッテリBAT及び温調装置16を制御する制御装置20と、を備え、電気自動車等の車両に搭載される。
バッテリBATは、例えば、リチウムイオン電池などの二次電池である。バッテリBATには、車両の外部にある外部電源50、例えば急速充電器に充電プラグを介して接続され(プラグイン)、導入される電力により充電可能に構成される。バッテリBATは、主として不図示の駆動モータに電力を供給する。また、バッテリBATは、駆動モータの回生時に供給された電力でも充電可能に構成される。
温調装置16は、図2に示すように、空調装置(エアコンディショナー)18とバッテリ冷却回路19とを備える。なお、以下、空調装置18をエアコン18と称する。エアコン18は、冷凍サイクル180を備え、車室内の空気の状態を調整することにより車室内の環境を調整する。エアコン18は、乗員(以下、ユーザとも称する)の操作を受け付けた後述の冷却制御部23によって制御される。バッテリ冷却回路19は、冷媒流路に冷媒を流すことで、バッテリBATなどを冷却する。なお、バッテリ冷却回路19にヒーターが設け、バッテリBATを加温してもよい。バッテリ冷却回路19の動作は、冷却制御部23によって、バッテリ冷却回路19の温調能力に基づきバッテリBATの温度がパワーセーブ温度以下になるよう制御される。パワーセーブ温度は、バッテリBATのパワーセーブ制御(出力制限制御)が行われる閾値温度であり、高温側と低温側の閾値温度を含むが、本発明のパワーセーブ温度は、急速充電時などに超える可能性がある高温側の閾値温度を意味する。
つぎに、図3を参照して、ナビゲーション装置17の構成の一例について説明する。図3に示すように、ナビゲーション装置17は、プロセッサ171と、メモリ172と、GPSユニット173と、表示部174と、操作部175と、インターフェース176と、を備える。また、各構成部171~176は、バス177によってそれぞれ接続されている。
制御装置20は、図1に示すように、バッテリ制御部22と、冷却制御部23と、充電制御部24と、充電関連情報取得部25と、静粛性要求決定部26と、バッテリ目標温度決定部27と、を備える。制御装置20は、プロセッサ、メモリ、インターフェース等を備えるECU(Electronic Control Unit)によって実現される。なお、各機能部は、それぞれ別体の制御装置で構成されていてもよい。
前記バッテリを冷却するバッテリ冷却装置(バッテリ冷却回路19)と、
前記バッテリの充電及び前記バッテリの冷却を制御する制御装置(制御装置20)と、を備える充電制御システム(充電制御システム10)であって、
前記制御装置は、
走行予定計画に充電が含まれる場合、前記充電を行う充電システム(充電ステーションCS)に関する騒音情報及び前記充電が行われる充電場所の環境情報を取得する充電関連情報取得部(充電関連情報取得部25)と、
前記騒音情報及び前記環境情報に基づいて前記充電場所の静粛性要求を決定する静粛性要求決定部(静粛性要求決定部26)と、
前記静粛性要求に基づいて、前記充電場所への到着時又は前記充電の開始時の前記バッテリの目標温度を決定するバッテリ目標温度決定部(バッテリ目標温度決定部27)と、
前記バッテリの目標温度に基づいて前記バッテリ冷却装置を制御するバッテリ冷却制御部(冷却制御部23)と、を備える、充電制御システム。
前記バッテリ目標温度決定部は、
前記静粛性要求が大きいとき、前記バッテリの目標温度を、前記静粛性要求が小さいときに比べて低く設定する、充電制御システム。
前記静粛性要求決定部は、
前記騒音情報に基づく第1静粛性要求と、前記環境情報に基づく第2静粛性要求とのうちいずれか高い方を前記静粛性要求とする、充電制御システム。
前記第1静粛性要求は、前記騒音情報の騒音が大きいとき、騒音が小さいときに比べて低くなるよう設定されている、充電制御システム。
前記第2静粛性要求は、前記充電場所の分類、及び前記充電が行われる時間に応じて設定されている、充電制御システム。
車室内の温度を調整する空調装置(空調装置18)と、
前記バッテリ冷却装置の冷媒と該空調装置の冷媒同士で熱交換可能な熱交換部(チラー189)と、をさらに備え、
前記バッテリ冷却制御部は、前記静粛性要求が高い場合、前記静粛性要求が低い場合に比べて、前記空調装置の冷凍サイクル(冷凍サイクル180)の圧縮機(圧縮機181)の上限回転数を低くし、且つ、前記バッテリ冷却装置の電動ポンプ(ポンプEWP)のデューティー比を低くする、充電制御システム。
前記バッテリ冷却制御部は、
前記充電中に前記空調装置の利用が制限されることの許可を提案し、前記提案が承諾された場合に、前記空調装置の冷却能力を下げる、充電制御システム。
18 空調装置
180 冷凍サイクル
181 圧縮機
189 チラー
19 バッテリ冷却回路(バッテリ冷却装置)
20 制御装置
23 冷却制御部
25 充電関連情報取得部
26 静粛性要求決定部
27 バッテリ目標温度決定部
50 外部電源
CS 充電ステーション(充電システム)
Claims (6)
- 外部電源からの電力により充電可能なバッテリと、
前記バッテリを冷却するバッテリ冷却装置と、
前記バッテリの充電及び前記バッテリの冷却を制御する制御装置と、を備える充電制御システムであって、
前記制御装置は、
走行予定計画に充電が含まれる場合、前記充電を行う充電システムに関する騒音情報及び前記充電が行われる充電場所の環境情報を取得する充電関連情報取得部と、
前記騒音情報及び前記環境情報に基づいて前記充電場所の静粛性要求を決定する静粛性要求決定部と、
前記静粛性要求に基づいて、前記充電場所への到着時又は前記充電の開始時の前記バッテリの目標温度を決定するバッテリ目標温度決定部と、
前記バッテリの目標温度に基づいて前記バッテリ冷却装置を制御するバッテリ冷却制御部と、を備え、
前記バッテリ目標温度決定部は、
前記静粛性要求が大きいとき、前記バッテリの目標温度を、前記静粛性要求が小さいときに比べて低く設定する、充電制御システム。 - 請求項1に記載の充電制御システムであって、
前記静粛性要求決定部は、
前記騒音情報に基づく第1静粛性要求と、前記環境情報に基づく第2静粛性要求とのうちいずれか高い方を前記静粛性要求とする、充電制御システム。 - 請求項2に記載の充電制御システムであって、
前記第1静粛性要求は、前記騒音情報の騒音が大きいとき、騒音が小さいときに比べて低くなるよう設定されている、充電制御システム。 - 請求項2又は3に記載の充電制御システムであって、
前記第2静粛性要求は、前記充電場所の分類、及び前記充電が行われる時間に応じて設定されている、充電制御システム。 - 請求項1~4のいずれか一項に記載の充電制御システムであって、
車室内の温度を調整する空調装置と、
前記バッテリ冷却装置の冷媒と該空調装置の冷媒同士で熱交換可能な熱交換部と、をさらに備え、
前記バッテリ冷却制御部は、前記静粛性要求が高い場合、前記静粛性要求が低い場合に比べて、前記空調装置の冷凍サイクルの圧縮機の上限回転数を低くし、且つ、前記バッテリ冷却装置の電動ポンプのデューティー比を低くする、充電制御システム。 - 請求項5に記載の充電制御システムであって、
前記バッテリ冷却制御部は、
前記充電中に前記空調装置の利用が制限されることの許可を提案し、前記提案が承諾された場合に、前記空調装置の冷却能力を下げる、充電制御システム。
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