JP2023551736A - 動力電池を充電する方法及び電池管理システム - Google Patents
動力電池を充電する方法及び電池管理システム Download PDFInfo
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- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
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- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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Abstract
Description
110 充電装置
120 電池システム
121 動力電池
122 電池管理システム(BMS)
130 電線
140 通信線
500 BMS
510 取得ユニット
520 制御ユニット
600 BMS
601 メモリ
602 プロセッサ
603 通信インタフェース
604 バス
Claims (13)
- 動力電池を充電する方法であって、前記動力電池の電池管理システムBMSに適用され、前記方法は、
前記動力電池の電池パラメータを取得し、前記電池パラメータが荷電状態SOC及び/又は開回路電圧OCVを含むことと、
前記動力電池の充電過程において、前記動力電池の電池パラメータがパラメータ間隔値だけ変化する場合、前記動力電池の放電又は充電停止を制御することとを含み、
前記動力電池の電池パラメータが第1パラメータ区間にある場合、前記パラメータ間隔値は第1の予め設定されたパラメータ間隔値であり、前記動力電池の電池パラメータが第2パラメータ区間にある場合、前記パラメータ間隔値は第2の予め設定されたパラメータ間隔値であり、前記第1の予め設定されたパラメータ間隔値は、前記第2の予め設定されたパラメータ間隔値よりも大きく、前記第1パラメータ区間における電池パラメータは、前記第2パラメータ区間における電池パラメータよりも小さい、動力電池を充電する方法。 - 前記パラメータ間隔値は、3%~95%の範囲である、請求項1に記載の方法。
- 前記動力電池の電池パラメータがパラメータ間隔値だけ変化する場合、前記動力電池の放電又は充電停止を制御することは、
前記動力電池の電池パラメータがターゲット電池パラメータに等しいかどうかを確定し、前記ターゲット電池パラメータが前記パラメータ間隔値に基づいて確定された電池パラメータであることと、
前記動力電池の電池パラメータが前記ターゲット電池パラメータに等しい場合、前記動力電池の放電又は充電停止を制御することとを含む、請求項1又は2に記載の方法。 - 前記動力電池の放電を制御することは、
充電スタンドに充電要求情報を送信し、前記充電要求情報に運ばれる充電要求電流が0であることと、
前記充電スタンドが前記充電要求情報に基づいて前記動力電池を充電する実際の充電電流を取得することと、
前記実際の充電電流が電流閾値未満である場合、放電するように前記動力電池を制御することとを含む、請求項1~3のいずれか一項に記載の方法。 - 前記方法は、
前記充電スタンドに前記充電要求情報を送信する時間が第1の時間閾値以上である場合、放電を停止するように前記動力電池を制御することをさらに含む、請求項4に記載の方法。 - 前記方法は、
前記動力電池の放電時間が第2の時間閾値以上である場合、放電を停止するように前記動力電池を制御することをさらに含む、請求項1~4のいずれか一項に記載の方法。 - 動力電池の電池管理システムBMSであって、
取得ユニットであって、前記動力電池の電池パラメータを取得するために用いられ、前記電池パラメータが荷電状態SOC及び/又は開回路電圧OCVを含むものと、
制御ユニットであって、前記動力電池の充電過程において、前記動力電池の電池パラメータがパラメータ間隔値だけ変化する場合、前記動力電池の放電又は充電停止を制御するために用いられるものとを含み、
前記動力電池の電池パラメータが第1パラメータ区間にある場合、前記パラメータ間隔値は第1の予め設定されたパラメータ間隔値であり、前記動力電池の電池パラメータが第2パラメータ区間にある場合、前記パラメータ間隔値は第2の予め設定されたパラメータ間隔値であり、前記第1の予め設定されたパラメータ間隔値は、前記第2の予め設定されたパラメータ間隔値よりも大きく、前記第1パラメータ区間における電池パラメータは、前記第2パラメータ区間における電池パラメータよりも小さい、動力電池の電池管理システムBMS。 - 前記パラメータ間隔値は、3%~95%の範囲である、請求項7に記載のBMS。
- 前記制御ユニットは具体的に、
前記動力電池の電池パラメータがターゲット電池パラメータに等しいかどうかを確定し、前記ターゲット電池パラメータが前記パラメータ間隔値に基づいて確定された電池パラメータであり、
前記動力電池の電池パラメータが前記ターゲット電池パラメータに等しい場合、前記動力電池の放電又は充電停止を制御するために用いられる、請求項7又は8に記載のBMS。 - 通信ユニットをさらに含み、前記通信ユニットは、充電スタンドに充電要求情報を送信するために用いられ、前記充電要求情報に運ばれる充電要求電流は0であり、
前記取得ユニットはさらに、前記充電スタンドが前記充電要求情報に基づいて前記動力電池を充電する実際の充電電流を取得するために用いられ、
前記制御ユニットは、具体的に、前記実際の充電電流が電流閾値未満である場合、放電するように前記動力電池を制御するために用いられる、請求項7~9のいずれか一項に記載のBMS。 - 前記制御ユニットはさらに、
前記充電スタンドに前記充電要求情報を送信する時間が第1の時間閾値以上である場合、放電を停止するように前記動力電池を制御するために用いられる、請求項10に記載のBMS。 - 前記制御ユニットはさらに、
前記動力電池の放電時間が第2の時間閾値以上である場合、放電を停止するように前記動力電池を制御するために用いられる、請求項7~10のいずれか一項に記載のBMS。 - 動力電池の電池管理システムBMSであって、コンピュータプログラムを記憶するためのメモリと、プロセッサとを含み、前記プロセッサは、前記コンピュータプログラムを呼び出して、請求項1~6のいずれか一項に記載の動力電池を充電する方法を実行するために用いられる、動力電池の電池管理システムBMS。
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PCT/CN2021/117314 WO2023035163A1 (zh) | 2021-09-08 | 2021-09-08 | 动力电池充电的方法和电池管理系统 |
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US20160276843A1 (en) * | 2015-03-20 | 2016-09-22 | Ford Global Technologies, Llc | Battery Charge Strategy Using Discharge Cycle |
JP2017103077A (ja) | 2015-12-01 | 2017-06-08 | 日立化成株式会社 | 蓄電システム及びその制御方法並びにリチウムイオン二次電池の熱暴走予兆診断装置及びリチウムイオン二次電池の熱暴走予兆診断方法 |
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