JP6972159B2 - 無線充電装置、無線充電方法及び被充電機器 - Google Patents
無線充電装置、無線充電方法及び被充電機器 Download PDFInfo
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
- H02J7/00041—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors in response to measured battery parameters, e.g. voltage, current or temperature profile
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- H—ELECTRICITY
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
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- H—ELECTRICITY
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
- H02J7/00309—Overheat or overtemperature protection
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
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- H—ELECTRICITY
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
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- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
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- H—ELECTRICITY
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- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
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- H—ELECTRICITY
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- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/30—Charge provided using DC bus or data bus of a computer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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- Protection Of Static Devices (AREA)
Description
Claims (9)
- バッテリと、無線受信回路と、第一充電チャンネルと、検出回路と、通信制御回路と、第二充電チャンネルと、を備え、
前記バッテリは、互いに直列に接続されたN個のセルを含み、その中において、Nは1より大きい正整数であり、
前記無線受信回路は、無線充電装置から送信する電磁信号を受信し、且つ前記電磁信号を前記無線受信回路の出力電圧及び出力電流に変換するために用いられ、
前記第一充電チャンネルは、前記無線受信回路の出力電圧及び出力電流を受信し、且つ前記無線受信回路の出力電圧及び出力電流に基づいて前記バッテリを充電するために用いられ、
前記検出回路は、前記第一充電チャンネルの電圧及び/又は電流を検出するために用いられ、
前記通信制御回路は、前記第一充電チャンネルの出力電圧及び/又は出力電流が前記バッテリの現在要求している充電電圧及び/又は充電電流と一致するように、前記検出回路によって検出された前記第一充電チャンネルの電圧及び/又は電流に応じて前記無線充電装置と無線通信を行って、前記無線充電装置の送信電力を調整するために用いられ、
前記無線充電装置は電源装置と通信して前記電源装置の出力電圧及び/又は出力電流を交渉することにより、前記無線充電装置の送信電力を調整し、
前記第二充電チャンネルには変換回路が設置されており、前記変換回路は前記無線受信回路の出力電圧及び出力電流を受信し、前記無線受信回路の出力電圧及び/又は出力電流に対して定電圧及び/又は定電流制御を行って、前記第二充電チャンネルの出力電圧及び/又は出力電流が前記バッテリの現在要求している充電電圧及び/又は充電電流と一致することにして、且つ前記第二充電チャンネルの出力電圧及び/又は出力電流に基づいて前記バッテリを充電するために用いられ、
前記通信制御回路は、さらに前記第一充電チャンネルと前記第二充電チャンネルとの間の切り替えを制御するために用いられ、
前記通信制御回路は、さらに前記無線充電装置とハンドシェイク通信を行うために用いられ、前記ハンドシェイク通信が成功した場合、前記第一充電チャンネルが作動するように制御し、前記ハンドシェイク通信が失敗した場合、前記第二充電チャンネルが作動するように制御する、
ことを特徴とする被充電機器。 - 前記第一充電チャンネルには降圧回路が設置されており、前記降圧回路は、前記無線受信回路の出力電圧を受信し、且つ前記無線受信回路の出力電圧に対して降圧処理を行って前記第一充電チャンネルの出力電圧及び出力電流を獲得し、前記第一充電チャンネルの出力電圧及び出力電流に基づいて前記バッテリを充電するために用いられる、
ことを特徴とする請求項1に記載の被充電機器。 - 前記通信制御回路は前記検出回路によって検出された前記第一充電チャンネルの電圧及び/又は電流に応じて前記無線充電装置と無線通信を行うことは、
前記通信制御回路は前記無線充電装置に調整情報を送信することを備え、前記調整情報は前記無線充電装置に電源装置の出力電圧及び/又は出力電流を調整するように指示するために用いられる、
ことを特徴とする請求項2に記載の被充電機器。 - 前記通信制御回路は、さらに前記無線充電装置にバッテリの状態情報を送信して、前記無線充電装置が前記バッテリの状態情報に応じて前記無線充電装置の無線送信回路の送信電力を調整するようにするために用いられ、前記バッテリの状態情報は、前記被充電機器のバッテリの現在の電力及び/又は現在の電圧を含む、
ことを特徴とする請求項1に記載の被充電機器。 - 前記通信制御回路と前記無線充電装置との間で送信される通信情報は、前記バッテリの温度情報、前記バッテリの充電電圧及び/又は充電電流のピーク値又は平均値を指示する情報、過電圧保護又は過電流保護に入ることを指示する情報、前記無線充電装置と前記無線受信回路との間の電力伝送効率を指示する電力伝送効率情報のうちの少なくとも一種を備える、
ことを特徴とする請求項1に記載の被充電機器。 - 前記通信制御回路は、さらに前記バッテリの温度に応じて、前記第一充電チャンネルと前記第二充電チャンネルとの間の切り替えを制御するために用いられる、
ことを特徴とする請求項1に記載の被充電機器。 - 前記第一充電チャンネルの電流は脈動直流電流であり、
前記検出回路はサンプルホールド回路を備え、前記サンプルホールド回路がサンプル状態にあるとき、前記サンプルホールド回路は前記脈動直流電流に対してサンプリングするために用いられ、前記サンプルホールド回路がホールド状態にあるとき、前記サンプルホールド回路は前記脈動直流電流の電流ピーク値をホールドするために用いられ、
前記通信制御回路は、さらに前記サンプルホールド回路がホールド状態にあるか否かを判断するために用いられ、前記サンプルホールド回路が前記ホールド状態にあると判断した場合、前記サンプルホールド回路がホールドしている前記脈動直流電流の電流ピーク値を取得する、
ことを特徴とする請求項1に記載の被充電機器。 - 前記サンプルホールド回路はキャパシターを備え、前記サンプルホールド回路は、前記サンプルホールド回路のキャパシターに基づいて前記脈動直流電流の電流ピーク値をホールドし、
前記検出回路は放電回路をさらに備え、前記通信制御回路は、さらに前記放電回路によって前記サンプルホールド回路のキャパシター両端の電荷を放電し、従って前記サンプルホールド回路がホールド状態からサンプル状態に切り替えるようにするために用いられる、
ことを特徴とする請求項7に記載の被充電機器。 - 無線受信回路を利用して無線充電装置から送信する電磁信号を受信し、且つ前記電磁信号を前記無線受信回路の出力電圧及び出力電流に変換するステップと、
前記無線受信回路の出力電圧及び出力電流に基づいて、第一充電チャンネルを介してバッテリを充電するステップと、
前記第一充電チャンネルの電圧及び/又は電流を検出するステップと、
前記第一充電チャンネルの出力電圧及び/又は出力電流が前記バッテリの現在要求している充電電圧及び/又は充電電流と一致するように、検出された前記第一充電チャンネルの電圧及び/又は電流に応じて前記無線充電装置と無線通信を行って、前記無線充電装置の送信電力を調整するステップと、
を備え、
その中において、前記バッテリは、互いに直列に接続されたN個のセルを含み、Nは1より大きい正整数であり、
前記無線充電装置は電源装置と通信して前記電源装置の出力電圧及び/又は出力電流を交渉することにより、前記無線充電装置の送信電力を調整し、
さらに、
第二充電チャンネルで前記無線受信回路の出力電圧及び出力電流を受信し、前記無線受信回路の出力電圧及び/又は出力電流に対して定電圧及び/又は定電流制御を行って、前記第二充電チャンネルの出力電圧及び/又は出力電流が前記バッテリの現在要求している充電電圧及び/又は充電電流と一致することにして、且つ前記第二充電チャンネルの出力電圧及び/又は出力電流に基づいて前記バッテリを充電するステップと、
前記第一充電チャンネルと前記第二充電チャンネルとの間の切り替えを制御するステップであって、前記無線充電装置とハンドシェイク通信を行い、前記ハンドシェイク通信が成功した場合、前記第一充電チャンネルが作動するように制御し、前記ハンドシェイク通信が失敗した場合、前記第二充電チャンネルが作動するように制御するステップと、を備える
ことを特徴とする無線充電方法。
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