JP2020162411A - リチウム電力セルの制御のためのバッテリー管理システム - Google Patents
リチウム電力セルの制御のためのバッテリー管理システム Download PDFInfo
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- -1 nickel metal hydride Chemical class 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- 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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- 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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
-
- 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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/10—The network having a local or delimited stationary reach
- H02J2310/20—The network being internal to a load
- H02J2310/23—The load being a medical device, a medical implant, or a life supporting device
-
- 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
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00308—Overvoltage protection
-
- 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
- H02J7/0029—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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
- Protection Of Static Devices (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Percussion Or Vibration Massage (AREA)
Abstract
Description
充電中にそれぞれのセルの電圧は、セルの過剰充電を防ぐために独立して監視される。一つの例示的な実施態様では、例えばO2マイクロ社が提供するOZ890などのバッテリー・パック保護および監視集積回路(IC)410でありうるマイクロチップ上の監視システムが、様々なセルの充電を制御するために使用される。このような配置においては、セル監視線390は、IC410の代表的なピン入力にポジティブな信号を送る。例えば、セル1はIC410の入力線BC1を用いて監視され、同様にIC410の入力線BC11を用いて監視されるセル11まで続く。
本発明の幾つかの実施態様は、壊滅的な不具合に対する2次的保護または過剰電圧保護も含みうる。このような2次的保護は、バッテリー・パックの電圧および/または主バスを通る電流の流れを監視し、特定の電流または電圧の閾値を超える時に処理を行うように設計された様々な回路によって備えられる。一つの実施態様では、このような保護は、例えばO2マイクロ社が提供するOZ8800などの集積回路500によって備えられうる。バッテリー・パックに使用されるセルの数によって複数のIC500が必要になるかもしれないことを当業者は理解するであろう。例えば、OZ8800の2次的レベルバッテリー保護集積回路は3個から7個の個々のセルを監視できる。従って、11個のセルを使用する場合には、2個のOZ8800が必要となる。
本発明のもう一つの実施態様ではバッテリー・パック中に残存する有用な充電量を監視する「ガス測定」機能を含む。このようなガス測定機能性は、使用時間、放電率、およびバッテリーの温度に基づき使用および待機状態のための残余バッテリー容量を計算するなど、様々なタスクを実行するよう設計された集積回路を用いて具備される。このような回路はまた、ほぼ完全な充電状態からほぼ完全な放電状態までの放電サイクルのプロセスにおける真のバッテリー容量も決定しうる。
本発明のもう一つの実施態様では、バッテリー管理システムは、バッテリー管理システムが実行する様々な機能の全般的な監視装置としての役割を果たすパック・コントローラ800を含む。パック・コントローラ800は典型的には集積回路であるが、バッテリー・パックの範囲内で利用可能なスペース量によって、同じ機能を実行する離散回路を使用することもできる。
以下で明らかにされる通り、本発明の様々な実施態様に組み込まれる様々なプロセッサおよび集積回路および論理システムは、前面側バス320および裏側バス630を通じて互いに通信する能力を有するため一つの統合システムとして機能することができる。幾つかの実施態様では、これらのバスを通じる通信はシステム管理バス(SMBus)仕様を用いて実行される。SMBusは、IC410、IC610、2次的保護システム500、事象保存装置900、EEPROM1000、パック・コントローラ800、およびその他の回路などの様々なシステム要素チップが互いに、およびシステムの残りの部分と通信できるようにする2線インターフェースである。SMBus仕様に関する更なる情報は、「システム管理バス(SMBus)仕様バージョン2.0」−SBS実行者フォーラム2000年8月3日−に含まれており、この文書全体は本文書では参考文献として挙げる。
発明者らは、本発明の幾つかの実施態様において、n−FETを閉じさせるのに必要な電圧が、バッテリー・パックから利用可能な電圧を超えることを観察してきた。例えば、10ボルトのバイアス電圧を要するn−FETを用いると、バッテリーを充電または放電するためにn−FETを適当な電圧が通るようにするのに十分なほどn−FETを駆動させるためのバッテリー電圧が、バイアス電圧の駆動電圧に加えてn−FETには必要である。従って、バッテリー・セルによって供給される電流をn−FETが伝導できるようにするために、n−FETのゲートに供給される電圧を上げるための電圧ブースト回路が含まれる。
[項目1]
装置に電力を供給するためのバッテリー・パックであって、
複数の再充電式セルであって、その各々が、直列に接続され、かつ、正極端子と負極端子を有し、該再充電式セルの充電及び放電の際にパック・コントローラによりそれぞれ独立式に制御されることを特徴とする再充電式セルと、
上記バッテリー・パックを充電器又は該バッテリー・パックによる電力供給対象装置に接続するバッテリー・パック・コネクタと、
各再充電式セルの上記正極端子をバッテリー・パック・コネクタの陽極コネクタに接続させると共に、各再充電式セルの上記負極端子を該バッテリー・パック・コネクタの陰極コネクタに接続させる主バスと、
各再充電式セルと電気的に接続されたバッテリー管理システムであって、各再充電式セルの充電状態に関係する入力データを監視するためのプロセッサと、
複数のスイッチであって、対応する各再充電式セルの正極端子と上記バッテリー・パックの陽極コネクタの間の前面側バスの中に配置されて、該セルの充電状態に関係する上記入力データに反応して上記プロセッサによって生成される信号に反応して該対応する再充電式セルの充電または放電を制御することを特徴とするスイッチを含むことを特徴とするバッテリー管理システムと、
複数の監視回路であって、その各々が上記プロセッサと電気的に接続され、かつ、複数の監視回路とを含み、
各監視回路は、対応する再充電式セルの電圧を監視してそれぞれの再充電式セルについての信号を上記プロセッサに送り、該信号はそれぞれの再充電式セルの負極端子および正極端子の間で測定された電圧レベルを表し、各監視回路は、スイッチ、再充電式セル及びブリーダー回路を含み、該スイッチは、ブリーダー回路へ再充電式セルを接続すると共に、上記プロセッサからの過剰電圧信号に反応して該スイッチを閉じて再充電式セルの過剰充電を防ぐ
ことを特徴とするバッテリー・パック。
[項目2]
上記スイッチがn−FET素子である
ことを特徴とする項目1に記載のバッテリー・パック。
[項目3]
上記バッテリー・パックの温度を監視するため、および該バッテリー・パックの温度に関する信号を上記プロセッサに送るための温度監視回路を、更に、含み、
上記プロセッサは、上記温度信号を受信し解析して上記バッテリー・パックの温度が予め選択された温度範囲内にあるかを判断し、かつ、該バッテリー・パックの温度が予め選択された温度範囲内にないときは、該プロセッサは、上記スイッチに対して、上記セルの正極端子を該バッテリー・パックの陽極コネクタから切り離す信号を送る
ことを特徴とする項目1に記載のバッテリー・パック。
[項目4]
上記バッテリー・パックから利用可能な充電量であって、装置に電力を供給できる充電量の表示を備えるための充電状態監視回路を、更に、含む
ことを特徴とする項目1に記載のバッテリー・パック。
[項目5]
上記プロセッサと電気的に接続されたバッテリー・パック隔離回路を、更に、含み、
上記バッテリー・パック隔離回路は、バッテリー・パックのコネクタがバッテリー充電器または電力供給対象装置に接続されていることを示す接続信号を上記プロセッサに送るよう構成され、
上記プロセッサは、上記接続信号に反応して、上記スイッチに対して、該スイッチを閉じて該コネクタの正極および負極の間に電圧を供給する信号を送る
ことを特徴とする項目1に記載のバッテリー・パック。
[項目6]
上記バッテリー・パック隔離回路は、バッテリー・パックのバッテリーコネクタがバッテリー充電器または電力供給対象装置に接続されているときには閉じた状態を有する機械的スイッチを含み、
上記プロセッサは、上記機械的スイッチの閉じた状態に反応して該コネクタの正極および負極の間に電圧を供給する
ことを特徴とする項目5に記載のバッテリー・パック。
[項目7]
上記プロセッサを上記コネクタ、およびバッテリー管理システムの他の要素に接続する通信バスを、更に、含み、
上記通信バスは、上記プロセッサと上記バッテリー管理システムの他の要素との間、および上記バッテリー・パックの外部にある他のシステム、プロセッサ、ネットワーク、または保存媒体への通信を提供するよう構成されている
ことを特徴とする項目1に記載のバッテリー・パック。
[項目8]
上記バッテリー・パックの外側に搭載された表示手段を、更に、含み、
上記表示手段は、該バッテリーの動作に関係する情報を視覚的に表示することを特徴とする項目1に記載のバッテリー・パック。
[項目9]
上記表示手段が少なくとも一つの発光ダイオードである
ことを特徴とする項目8に記載のバッテリー・パック。
[項目10]
ハウジングと、
上記ハウジングの端に載せられて電力供給対象装置の中または上に置かれたコネクタと係合するように構成されたコネクタと、
複数の再充電式バッテリー・セルであって、該セルのそれぞれが正極端子および負極端子を有し、該セルのそれぞれがコネクタの正極に接続された陽極側、及び、コネクタの負極に接続された陰極側を含む主バスによって直列に接続され、該複数のセルがハウジング内に置かれ、かつ、各再充電式バッテリー・セルは充電及び放電の際にパック・コントローラによりそれぞれ独立式に制御されることを特徴とする複数の再充電式バッテリー・セルと、
複数のスイッチであって、その各々が対応する各再充電式セルとコネクタの正極との間で主バスの陽極側に置かれていることを特徴とする複数のスイッチと、
パック・コントローラの中に具備されて、バッテリー・パックの動作を制御するためのプロセッサと、
プロセッサと電気的に接続された1次保護回路とを含み、該1次保護回路は、電気的に接続された複数の監視回路であって、該複数の監視回路のそれぞれが該複数のセルのうちの個々の一つについての充電状態に関係する複数の監視回路であって、その各々が対応する各再充電式バッテリー・セルと電気的に連結されて、対応する各再充電式バッテリー・セルの充電状態に関するパラメータを監視することを特徴とする複数の監視回路と、
複数のブリード回路であって、その各々が対応する各再充電式バッテリー・セルに接続されて、そのセルに接続された監視回路によって監視されているセルのパラメータに反応して該セルをブリードして該セルの過剰充電を防ぐことを特徴とする複数のブリード回路とを含むことを特徴とし、
更に、バッテリー・パックを短絡回路から保護するための2次保護回路と、
コネクタ、スイッチおよび複数の監視回路と電気的に接続されたバッテリー管理システムであって、該セルの充電および放電を監視し不具合が検知されたときには該スイッチを開くように該スイッチに信号を送るように構成されたことを特徴とするバッテリー管理システムと、
充電状態監視回路であって、主バスを通して流れる電流量を測定するためのセンサー、該センサーと電気的に接続された充電状態プロセッサ、該充電状態プロセッサと電気的に接続された充電状態メモリーとを含み、該充電状態メモリーは、該バッテリー・セルと主バスを通って流れる電流量にも関係する情報を保存し、該充電状態プロセッサは、該充電状態メモリーに保存された情報と該センサーからの入力データに基づき該バッテリー・パックから利用可能な電流量を判断することを特徴とする充電状態監視回路と、
該コネクタ、該プロセッサ、該1次保護回路、該2次保護回路、該バッテリー管理システム、および該充電状態監視システムと電気的に接続されて、該コネクタ、該プロセッサ、該1次保護回路、該2次保護回路、該バッテリー管理システム、および該充電状態監視システムの間の通信を提供する通信バスと、
を含むことを特徴とするインテリジェント・バッテリー・パック。
[項目11]
上記スイッチがn−チャネル電界効果トランジスタである
ことを特徴とする項目10に記載のインテリジェント・バッテリー・パック。
[項目12]
上記1次保護回路は上記セルの充電および放電を監視するよう構成された1次保護プロセッサを含む
ことを特徴とする項目10に記載のインテリジェント・バッテリー・パック。
[項目13]
上記1次保護回路は上記セルの充電および放電を制御するよう構成された1次保護プロセッサを含む
ことを特徴とする、項目10に記載のインテリジェント・バッテリー・パック。
[項目14]
上記プロセッサは上記通信バスを通じて上記充電状態プロセッサに情報を通信するようにも構成され、該情報は、該充電状態プロセッサによって、上記バッテリー・セルから利用可能な電流量の決定、及び該充電状態メモリーにおいて利用可能と決定された電流量の保存のために使用される
ことを特徴とする項目10に記載のインテリジェント・バッテリー・パック。
[項目15]
上記バッテリー・パックの温度を測定するための温度監視回路を、更に、含み、
該温度監視回路は、該バッテリー・パックの温度を上記1次保護回路に通信し、該1次保護回路は、上記スイッチに対して、該バッテリー・パックの温度が予め選択された温度範囲内にないときには該スイッチを開くよう信号を送るよう構成される
ことを特徴とする項目10に記載のインテリジェント・バッテリー・パック。
[項目16]
上記プロセッサと電気的に接続されたバッテリー・パック隔離回路を、更に、含み、
該バッテリー隔離回路は、該バッテリー・パックのコネクタがバッテリー充電器または電力供給対象装置に接続されていることを示す接続信号を上記プロセッサに送るように構成され、
上記プロセッサは、上記接続信号に反応して、上記スイッチに対して、該スイッチを閉じてコネクタの正極および負極の間に電圧を供給する
ことを特徴とする項目10に記載のインテリジェント・バッテリー・パック。
[項目17]
項目1に記載のバッテリー・パックによって電力を供給される装置。
[項目18]
上記装置が医療装置である
ことを特徴とする項目17に記載の装置。
[項目19]
項目10に記載のインテリジェント・バッテリー・パックによって電力を供給される装置。
[項目20]
上記装置が医療装置である
ことを特徴とする項目19に記載の装置。
[項目21]
上記装置が機械式圧迫装置である
ことを特徴とする項目18に記載の装置。
[項目22]
上記装置が機械式圧迫装置である
ことを特徴とする項目20に記載の装置。
[項目23]
上記バッテリー・パックが少なくとも30分間機械式圧迫装置に電力を供給するように構成されている
ことを特徴とする項目1に記載のバッテリー・パック。
[項目24]
上記機械式圧迫装置が平均よりも大きい体格の患者の処置に使用されるときには、上記バッテリー・パックは少なくとも20分間機械式圧迫装置に電力を供給するように構成されている
ことを特徴とする項目1に記載のバッテリー・パック。
[項目25]
上記バッテリー・パックが少なくとも30分間機械式圧迫装置に電力を供給するように構成されている
ことを特徴とする項目10に記載のバッテリー・パック。
[項目26]
上記機械式圧迫装置が平均よりも大きい体格の患者の処置に使用されるときには、上記バッテリー・パックは、少なくとも20分間機械式圧迫装置に電力を供給するように構成されている
ことを特徴とする項目10に記載のバッテリー・パック。
Claims (1)
- 装置に電力を供給するためのバッテリー・パックであって、
複数の再充電式セルであって、その各々が、直列に接続され、かつ、正極端子と負極端子を有し、該再充電式セルの充電及び放電の際にパック・コントローラによりそれぞれ独立式に制御されることを特徴とする再充電式セルと、
前記バッテリー・パックを充電器又は該バッテリー・パックによる電力供給対象装置に接続するバッテリー・パック・コネクタと、
各再充電式セルの前記正極端子をバッテリー・パック・コネクタの陽極コネクタに接続させると共に、各再充電式セルの前記負極端子を該バッテリー・パック・コネクタの陰極コネクタに接続させる主バスと、
各再充電式セルと電気的に接続されたバッテリー管理システムであって、各再充電式セルの充電状態に関係する入力データを監視するためのプロセッサと、
複数のスイッチであって、対応する各再充電式セルの正極端子と前記バッテリー・パックの陽極コネクタの間の前面側バスの中に配置されて、該セルの充電状態に関係する前記入力データに反応して前記プロセッサによって生成される信号に反応して該対応する再充電式セルの充電または放電を制御することを特徴とするスイッチを含むことを特徴とするバッテリー管理システムと、
その各々が前記プロセッサと電気的に接続され、複数の監視回路とを含み、
各監視回路は、対応する再充電式セルの電圧を監視してそれぞれの再充電式セルについての信号を前記プロセッサに送り、該信号はそれぞれの再充電式セルの負極端子および正極端子の間で測定された電圧レベルを表し、各監視回路は、スイッチ、再充電式セル及びブリーダー回路を含み、該スイッチは、ブリーダー回路へ再充電式セルを接続すると共に、前記プロセッサからの過剰電圧信号に反応して該スイッチを閉じて再充電式セルの過剰充電を防ぐ
ことを特徴とするバッテリー・パック。
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JP2017085887A (ja) | 2017-05-18 |
AU2012249306B2 (en) | 2017-07-20 |
CN103814499B (zh) | 2018-07-10 |
EP2702663A2 (en) | 2014-03-05 |
EP3537565A1 (en) | 2019-09-11 |
CA2834654A1 (en) | 2012-11-01 |
US9099877B2 (en) | 2015-08-04 |
CN108649655B (zh) | 2022-06-24 |
US9887560B2 (en) | 2018-02-06 |
US20120274279A1 (en) | 2012-11-01 |
CN108649655A (zh) | 2018-10-12 |
JP2014513512A (ja) | 2014-05-29 |
AU2012249306A1 (en) | 2013-11-21 |
CN103814499A (zh) | 2014-05-21 |
EP2702663A4 (en) | 2014-10-01 |
WO2012149477A2 (en) | 2012-11-01 |
US20170133867A1 (en) | 2017-05-11 |
WO2012149477A3 (en) | 2012-12-27 |
EP2702663B1 (en) | 2019-06-12 |
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