JP6495485B2 - アダプター及び充電制御方法 - Google Patents
アダプター及び充電制御方法 Download PDFInfo
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- JP6495485B2 JP6495485B2 JP2017568136A JP2017568136A JP6495485B2 JP 6495485 B2 JP6495485 B2 JP 6495485B2 JP 2017568136 A JP2017568136 A JP 2017568136A JP 2017568136 A JP2017568136 A JP 2017568136A JP 6495485 B2 JP6495485 B2 JP 6495485B2
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- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
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- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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- H—ELECTRICITY
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- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/10—Control circuit supply, e.g. means for supplying power to the control circuit
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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Description
充電対象機器(例えば、端末)が電源供給装置に接続された後、充電対象機器(例えば、端末)は、データケーブルD+、D−を介して電源供給装置のタイプを検出することができる。電源供給装置が第2アダプターであることを検出した場合に、充電対象機器(例えば、端末)が受け入れた電流は、所定電流閾値I2(例えば1Aであってもよい)より大きくてもよい。第2アダプターにおける制御ユニットが所定持続時間(例えば、連続的なT1時間)内で第2アダプターの出力電流がI2以上であることを検出した場合に、制御ユニットは、充電対象機器(例えば、端末)の電源供給装置のタイプを認識することが既に完成されたと判定してもよい。制御ユニットは、第2アダプターと充電対象機器(例えば、端末)との間のネゴシエーションプロセスを開始し、コマンド1(上記第1コマンドに対応する)を充電対象機器(例えば、端末)に送信して、充電対象機器(例えば、端末)が、第2アダプターが第2充電モードで充電対象機器(例えば、端末)を充電することに同意するか否かを問い合わせる。
第2アダプターの出力電圧は、複数のグレードを含んでもよい。制御ユニットが充電対象機器(例えば、端末)にコマンド2(上記第2コマンドに対応する)を送信して、第2アダプターの出力電圧(現在の出力電圧)と充電対象機器(例えば、端末)のバッテリの現在の電圧とがマッチングしているか否かを問い合わせる。
制御ユニットが充電対象機器(例えば、端末)にコマンド3(上記第3コマンドに対応する)を送信して、充電対象機器(例えば、端末)の現在サポートする最大充電電流を問い合わせる。充電対象機器(例えば、端末)が制御ユニットにコマンド3の返信コマンドを送信して、充電対象機器(例えば、端末)の現在サポートする最大充電電流を示して、第4段階に入る。
制御ユニットは、充電対象機器(例えば、端末)の現在サポートする最大充電電流に基づいて、第2充電モードでの第2アダプターから出力された充電対象機器(例えば、端末)を充電するための充電電流を決定した後、定電流充電段階である段階5に入る。
定電流充電段階に入った後、制御ユニットは、一定時間ごとに充電対象機器(例えば、端末)にコマンド4(上記第4コマンドに対応する)を送信して、充電対象機器(例えば、端末)のバッテリの現在の電圧を問い合わせることができる。充電対象機器(例えば、端末)は、制御ユニットにコマンド4の返信コマンドを送信して、充電対象機器(例えば、端末)のバッテリの現在の電圧をフィードバックすることができる。制御ユニットは、充電対象機器(例えば、端末)のバッテリの現在の電圧に基づいて、充電インターフェースが接触良好であるか否か、及び第2アダプターの出力電流を低下させる必要があるか否かを判断することができる。第2アダプターが、充電インターフェースが接触不良であると判断した場合に、充電対象機器(例えば、端末)にコマンド5(上記第5コマンドに対応する)を送信することができ、第2アダプターは、第2充電モードを終了し、その後、リセットして再度に段階1に入る。
2410、入力される交流を変換して、第2アダプターの出力電圧及び出力電流を取得する。
2420、第2アダプターの出力電圧を測定して、第2アダプターの出力電圧が所定の目標電圧に達するか否かを示す電圧フィードバック信号を生成する。
2430、第2アダプターの出力電流を測定して、第2アダプターの出力電流が所定の目標電流に達するか否かを示す電流フィードバック信号を生成する。
2440、電圧フィードバック信号が第2アダプターの出力電圧が目標電圧に達することを示す、又は電流フィードバック信号が第2アダプターの出力電流が目標電流に達することを示す場合に、第2アダプターの出力電圧及び出力電流を安定させる。
Claims (15)
- 充電対象機器の充電用アダプターであって、
入力される交流を変換して出力電圧及び出力電流を取得する電力変換ユニットと、
入力端が前記電力変換ユニットに接続され、前記出力電圧を測定して、該出力電圧が所定の目標電圧に達するか否かを示すための電圧フィードバック信号を生成する電圧フィードバックユニットと、
入力端が前記電力変換ユニットに接続され、前記出力電流を測定して、該出力電流が所定の目標電流に達するか否かを示すための電流フィードバック信号を生成する電流フィードバックユニットと、
入力端が前記電圧フィードバックユニットの出力端及び前記電流フィードバックユニットの出力端に接続され、出力端が前記電力変換ユニットに接続され、前記電圧フィードバック信号と前記電流フィードバック信号とを受信し、前記電圧フィードバック信号は前記出力電圧が前記目標電圧に達することを示す、又は前記電流フィードバック信号は前記出力電流が前記目標電流に達することを示す場合に、前記出力電圧及び前記出力電流を一定に維持する電力調整ユニットとを備えるアダプター。 - 前記電圧フィードバックユニットに接続される第1調整ユニットをさらに備え、
前記電圧フィードバックユニットは、
入力端が前記電力変換ユニットに接続され、前記出力電圧をサンプリングして、第1電圧を取得するための電圧サンプリングユニットと、
入力端が前記電圧サンプリングユニットの出力端に接続される電圧比較ユニットとを備え、
前記第1調整ユニットが、前記電圧比較ユニットに接続され、該電圧比較ユニットに第1参考電圧を提供し、
前記電圧比較ユニットは、前記第1電圧と第1参考電圧とを比較し、前記第1電圧と前記第1参考電圧との比較結果に基づいて、電圧フィードバック信号を生成し、
前記第1調整ユニットは、第1参考電圧の値を調整することにより、前記目標電圧の値を調整する請求項1に記載のアダプター。 - 前記第1調整ユニットが、制御ユニットと、デジタルポテンショメータとを備え、
前記デジタルポテンショメータの制御端が前記制御ユニットに接続され、前記デジタルポテンショメータの出力端が前記電圧比較ユニットに接続され、
前記制御ユニットが、前記デジタルポテンショメータの電圧分割比を調整することにより、前記第1参考電圧の値を調整する請求項2に記載のアダプター。 - 前記電圧比較ユニットが、第1オペアンプを備え、
前記電圧比較ユニットの前記第1オペアンプの逆相入力端は、前記第1電圧を受信するために用いられ、前記電圧比較ユニットの前記第1オペアンプの同相入力端は、前記第1参考電圧を受信するために用いられ、前記電圧比較ユニットの前記第1オペアンプの出力端は、前記電圧フィードバック信号を生成するために用いられる請求項2又は請求項3に記載のアダプター。 - 一定の直流を出力する第1充電モード及び脈動直流を出力する第2充電モードを有し、
前記第1調整ユニットが、現在使用している前記第1充電モード又は前記第2充電モードに基づいて、前記目標電圧の値を調整する請求項2から請求項4のいずれかに記載のアダプター。 - 前記電流フィードバックユニットに接続され、前記目標電流の電流値を調整するための第2調整ユニットをさらに備える請求項1から請求項5のいずれかに記載のアダプター。
- 前記電流フィードバックユニットは、
入力端が前記電力変換ユニットに接続され、前記出力電流をサンプリングして、前記出力電流の大きさを示すための第2電圧を取得する電流サンプリングユニットと、
入力端が前記電流サンプリングユニットの出力端に接続され、前記第2電圧と第2参考電圧とを比較し、前記第2電圧と前記第2参考電圧との比較結果に基づいて、前記電流フィードバック信号を生成するための電流比較ユニットとを備え、
前記第2調整ユニットが、前記電流比較ユニットに接続され、該電流比較ユニットに前記第2参考電圧を提供し、該第2参考電圧の電圧値を調整することにより、前記目標電流の電流値を調整する請求項6に記載のアダプター。 - 前記第2調整ユニットが、制御ユニットと、RCフィルタユニットとを備え、
該RCフィルタユニットの入力端が前記制御ユニットに接続され、前記RCフィルタユニットの出力端が前記電流比較ユニットに接続され、前記制御ユニットは、パルス幅変調PWM信号を生成し、該PWM信号のデューティ比を調整することにより前記第2参考電圧の電圧値を調整するために用いられる請求項7に記載のアダプター。 - 前記電流比較ユニットは、第2オペアンプを備え、
前記電流比較ユニットの前記第2オペアンプの逆相入力端は、前記第2電圧を受信するために用いられ、前記電流比較ユニットの前記第2オペアンプの同相入力端は、前記第2参考電圧を受信するために用いられ、前記電流比較ユニットの前記第2オペアンプの出力端は、前記電流フィードバック信号を生成するために用いられる請求項7又は請求項8に記載のアダプター。 - 一定の直流を出力する第1充電モード及び脈動直流を出力する第2充電モードを有し、
前記第2調整ユニットが、現在使用している前記第1充電モード又は前記第2充電モードに基づいて、前記目標電流の電流値を調整する請求項7から請求項9のいずれかに記載のアダプター。 - 前記第1充電モードは、定電圧モードであり、
該定電圧モードにおいて、前記目標電圧は、前記定電圧モードに対応する電圧であり、前記目標電流は、前記定電圧モードにおける出力が許容される最大電流であり、
前記電力調整ユニットは、具体的には、前記電圧フィードバック信号に基づいて、前記出力電圧を前記定電圧モードに対応する電圧に調整し、前記電流フィードバック信号は、前記出力電流が前記定電圧モードにおける出力が許容される最大電流に達することを示す場合、前記定電圧モードにおける出力が許容される最大電流を超えないように前記出力電流を制御する請求項10に記載のアダプター。 - 前記電力変換ユニットは、入力される交流を第1脈動直流に変換して出力する1次整流ユニットと、前記1次整流ユニットからの第1脈動直流を、1次巻線から2次巻線に結合して第2脈動直流を取得し、2次巻線により前記第2脈動直流を出力するトランスと、前記トランスの2次巻線から出力される第2脈動直流を整流して、第3脈動直流を取得する2次整流ユニットと、前記2次整流ユニットから出力される第3脈動直流をフィルタして、前記アダプターの出力電圧及び出力電流を取得する2次フィルタユニットとを備える請求項11に記載のアダプター。
- 前記定電圧モードにおける出力が許容される最大電流は、前記2次フィルタユニットにおけるコンデンサの容量に基づいて決定される請求項12に記載のアダプター。
- 前記電圧フィードバックユニットは、出力端が電圧フィードバック信号を生成する第1オペアンプを備え、
前記電流フィードバックユニットは、出力端が電流フィードバック信号を生成する第2オペアンプを備え、
前記電力調整ユニットは、第1ダイオードと、第2ダイオードと、光結合ユニットと、PWM制御ユニットと、を備え、
前記電圧フィードバックユニットの第1オペアンプの出力端が前記第1ダイオードのカソードに接続され、
前記第1ダイオードのアノードが前記光結合ユニットの入力端に接続され、
前記電流フィードバックユニットの第2オペアンプの出力端が前記第2ダイオードのカソードに接続され、
前記第2ダイオードのアノードが前記光結合ユニットの入力端に接続され、
前記光結合ユニットの出力端が前記PWM制御ユニットの入力端に接続され、
前記PWM制御ユニットの出力端が前記電力変換ユニットに接続され、
前記第1オペアンプと前記第2オペアンプとのうちの何れか一つのオペアンプから出力される電圧信号が0である場合、前記第1オペアンプと前記第2オペアンプとのアノードを接続したフィードバックポイントの電圧が0になり、前記光結合ユニットが前記PWM制御ユニットに安定な電圧信号を出力し、前記PWM制御ユニットがデューティ比が一定のPWM制御信号を生成し、前記電力変換ユニットはPWM制御信号に基づいて前記アダプターの出力電圧及び出力電流を一定に維持する請求項1から請求項13のいずれかに記載のアダプター。 - 充電対象機器の充電制御方法であって、
入力される交流を変換して前記アダプターの出力電圧及び出力電流を取得するステップと、
前記アダプターの前記出力電圧を測定し、前記アダプターの前記出力電圧が所定の目標電圧に達するか否かを示すための電圧フィードバック信号を生成するステップと、
前記アダプターの前記出力電流を測定し、前記アダプターの前記出力電流が所定の目標電流に達するか否かを示すための電流フィードバック信号を生成するステップと、
前記電圧フィードバック信号が前記アダプターの前記出力電圧が前記目標電圧に達することを示す、又は前記電流フィードバック信号が前記アダプターの前記出力電流が前記目標電流に達することを示す場合に、前記アダプターの前記出力電圧及び前記出力電流を一定に維持するステップとを含む充電制御方法。
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