JP2023514885A - 充電方法及び電力変換装置 - Google Patents
充電方法及び電力変換装置 Download PDFInfo
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- 238000007600 charging Methods 0.000 title claims abstract description 238
- 238000000034 method Methods 0.000 title claims abstract description 81
- 238000010278 pulse charging Methods 0.000 claims abstract description 102
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims description 23
- 238000012545 processing Methods 0.000 claims description 17
- 238000004590 computer program Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
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Abstract
Description
例えば、制御ユニットはCAN通信線によって、電力ユニットにパルス充電パラメータを伝送することができる。
20 充電スタンド
30 電力消費装置
100 充電方法
200 方法
300 充電方法
500 電力変換装置
510 処理ユニット
520 通信ユニット
600 電力変換装置
610 制御ユニット
620 電力ユニット
700 電力変換装置
710 メモリ
720 プロセッサ
Claims (28)
- パワー電池を充電することに用いられる充電方法であって、
電力変換装置は、前記パワー電池のパルス充電パラメータを決定することに用いられる電池状態パラメータを取得するステップと、
前記電力変換装置は、前記パルス充電パラメータで算出される直流充電パラメータを含む充電情報を充電スタンドに送信するステップと、
前記電力変換装置は、前記充電スタンドによって前記直流充電パラメータに基づいて出力される直流電流を受信するステップと、
前記電力変換装置は前記パルス充電パラメータに基づいて、前記直流電流を前記パワー電池を充電するためのパルス電流に変換するステップと、
を含む、充電方法。 - 前記電力変換装置は前記電池状態パラメータに基づいて、パルス電流の実効値、パルス電流のピーク値、パルス電圧、パルス方向、パルス周波数、パルス間隔及びパルス持続時間のうちの少なくとも1つのパラメータを含む前記パルス充電パラメータを決定するステップをさらに含む請求項1に記載の方法。
- 前記電池状態パラメータは、電池温度、電池電圧、電池容量及び電池の荷電状態SOCのうちの少なくともの1つのパラメータを含む請求項1又は2に記載の方法。
- 前記直流充電パラメータは、前記充電スタンドの出力電圧及び/又は出力電流を含む請求項1又は2に記載の方法。
- 前記電力変換装置は、前記電池状態パラメータに基づいて、パルス式の電圧又はパルス式の電流を用いる充電モードであるパルス充電モードに入ることを決定するステップ、をさらに含む請求項1又は2に記載の方法。
- 前記電池状態パラメータは電池温度を含み、前記電力変換装置は前記電池状態パラメータに基づいて、パルス充電モードに入ることを決定するステップは、
前記電池温度が温度閾値以下であると、前記電力変換装置は前記パルス充電モードに入ることを決定するステップを含む請求項5に記載の方法。 - 前記電力変換装置は前記パワー電池の電池状態パラメータを取得するステップは、
前記電力変換装置は前記パワー電池の電池管理システムBMSから送信される前記電池状態パラメータを受信するステップを含む請求項1又は2に記載の方法。 - パワー電池を充電することに用いられる充電方法であって、制御ユニット及び電力ユニットを含む電力変換装置に適用され、
前記制御ユニットは前記パワー電池の電池状態パラメータを取得するステップと、
前記制御ユニットは前記電池状態パラメータに基づいて、パルス充電パラメータを取得するステップと、
前記制御ユニットは前記電力ユニットに前記パルス充電パラメータを伝送するステップと、
前記制御ユニットは、前記電力ユニットによって前記パルス充電パラメータに基づいて算出される直流充電パラメータを取得するステップと、
前記制御ユニットは、前記充電スタンドが直流電流を出力することに用いられる前記直流充電パラメータを前記充電スタンドに送信するステップと、
前記制御ユニットは、前記電力ユニットが前記直流電流を前記パワー電池を充電するためのパルス電流に変換するように制御することに用いられる出力開始命令を前記電力ユニットに送信するステップと、
を含む充電方法。 - 前記パルス充電パラメータは、パルス電流の実効値、パルス電流のピーク値、パルス電圧、パルス方向、パルス周波数、パルス間隔及びパルス持続時間のうちの少なくとも1つのパラメータを含む請求項8に記載の方法。
- 前記電池状態パラメータは、電池温度、電池電圧、電池容量及び電池の荷電状態SOCのうちの少なくとも1つのパラメータを含む請求項8又は9に記載の方法。
- 前記直流充電パラメータは、前記充電スタンドの出力電圧及び/又は出力電流を含む請求項8又は9に記載の方法。
- 前記制御ユニットは前記電池状態パラメータに基づいて、パルス式の電圧又はパルス式の電流を用いる充電モードであるパルス充電モードに入ることを決定するステップをさらに含む請求項8又は9に記載の方法。
- 前記電池状態パラメータは電池温度を含み、前記制御ユニットは前記電池状態パラメータに基づいて、パルス充電モードに入ることを決定することは、
前記電池温度が温度閾値以下であると、前記制御ユニットは前記パルス充電モードに入ることを決定することを含む請求項12に記載の方法。 - 前記制御ユニットは前記パワー電池の電池状態パラメータを取得することは、
前記制御ユニットは前記パワー電池の電池管理システムBMSから送信される前記電池状態パラメータを受信することを含む請求項8又は9に記載の方法。 - パワー電池を充電することに用いられる電力変換装置であって、
前記パワー電池の電池状態パラメータを取得することに用いられる処理ユニットと、
パルス充電パラメータによって算出される直流充電パラメータを含む充電情報を前記充電スタンドに送信することに用いられる通信ユニットと、
を含み、
前記通信ユニットはさらに、前記充電スタンドによって前記直流充電パラメータに基づいて出力される直流電流を受信することに用いられ、
前記処理ユニットはさらに、前記パルス充電パラメータに基づいて、前記直流電流を前記パワー電池を充電するためのパルス電流に変換することに用いられ、
前記電池状態パラメータは前記パルス充電パラメータを決定することに用いられる電力変換装置。 - 前記処理ユニットはさらに、
前記電池状態パラメータに基づいて、パルス電流の実効値、パルス電流のピーク値、パルス電圧、パルス方向、パルス周波数、パルス間隔及びパルス持続時間のうちの少なくとも1つのパラメータを含むパルス充電パラメータを決定することに用いられる請求項15に記載の電力変換装置。 - 前記電池状態パラメータは、電池温度、電池電圧、電池容量及び電池の荷電状態SOCのうちの少なくとも1つのパラメータを含む請求項15又は16に記載の電力変換装置。
- 前記直流充電パラメータは、前記充電スタンドの出力電圧及び/又は出力電流を含む請求項15又は16に記載の電力変換装置。
- 前記処理ユニットはさらに、
前記電池状態パラメータに基づいて、パルス式の電圧又はパルス式の電流を用いる充電モードであるパルス充電モードに入ることを決定することに用いられる請求項15又は16に記載の電力変換装置。 - 前記電池状態パラメータは電池温度を含み、前記処理ユニットは具体的には、
前記電池温度が温度閾値以下であると、前記パルス充電モードに入ることを決定することに用いられる請求項19に記載の電力変換装置。 - 前記通信ユニットはさらに、
前記パワー電池の電池管理システムBMSから送信される前記電池状態パラメータを受信することに用いられる請求項15又は16に記載の電力変換装置。 - パワー電池を充電することに用いられる電力変換装置であって、
前記パワー電池の電池状態パラメータを取得することに用いられる制御ユニットを含み、
前記制御ユニットはさらに、前記電池状態パラメータに基づいて、パルス充電パラメータを取得することに用いられ、
前記制御ユニットはさらに、前記電力変換装置の電力ユニットに前記パルス充電パラメータを伝送することに用いられ、
前記制御ユニットはさらに、前記電力ユニットによって前記パルス充電パラメータに基づいて算出される直流充電パラメータを取得することに用いられ、
前記制御ユニットはさらに、前記充電スタンドが直流電流を出力することに用いられる前記直流充電パラメータを前記充電スタンドに送信することに用いられ、
前記制御ユニットはさらに、前記電力ユニットに出力開始命令を送信することに用いられ、前記出力開始命令は、前記電力ユニットが前記直流電流をパルス電流に変換することに用いられ、前記パルス電流は前記パワー電池を充電することに用いられる電力変換装置。 - 前記パルス充電パラメータは、パルス電流の実効値、パルス電流のピーク値、パルス電圧、パルス方向、パルス周波数、パルス間隔及びパルス持続時間のうちの少なくとも1つのパラメータを含む請求項22に記載の電力変換装置。
- 前記電池状態パラメータは、電池温度、電池電圧、電池容量及び電池の荷電状態SOCのうちの少なくとも1つのパラメータを含む請求項22又は23に記載の電力変換装置。
- 前記直流充電パラメータは、前記充電スタンドの出力電圧及び/又は出力電流を含む請求項22又は23に記載の電力変換装置。
- 前記制御ユニットはさらに、
前記電池状態パラメータに基づいて、パルス式の電圧又はパルス式の電流を用いる充電モードであるパルス充電モードに入ることを決定することに用いられる請求項22又は23に記載の電力変換装置。 - 前記電池状態パラメータは電池温度を含み、前記制御ユニットは具体的には、
前記電池温度が温度閾値以下であると、前記パルス充電モードに入ることを決定することに用いられる請求項26に記載の電力変換装置。 - 前記制御ユニットは具体的には、
前記パワー電池の電池管理システムBMSから送信される前記電池状態パラメータを受信することに用いられる請求項22又は23に記載の電力変換装置。
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