JPWO2015092846A1 - 電池システム、電池セル管理装置 - Google Patents
電池システム、電池セル管理装置 Download PDFInfo
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- H01M10/00—Secondary cells; Manufacture thereof
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- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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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
- H02J5/00—Circuit arrangements for transfer of electric power between ac networks and dc networks
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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
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
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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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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- H—ELECTRICITY
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- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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Abstract
Description
本発明による電池セル管理装置は、1つまたは複数の電池セルにより構成される電池セル群と接続されており、前記電池セル群の各電池セルの状態を測定するための測定回路と、前記電池セル群の電池セルから供給される電力に基づいて電源電圧を発生する電源回路と、複数の無線周波数のいずれかにより送信される無線信号を受信すると共に、前記複数の無線周波数のいずれかにより無線信号を送信するためのアンテナと、前記アンテナにより送受信される前記無線信号を変復調するための無線通信部と、を備える。
さらには、書き換え可能な記憶領域を電池セル管理装置内に有する。
Vout=6(|Vin|−VF) ・・・(1)
Vout=2n×(|Vin|−VF) ・・・(2)
10・・・・電池セル群
20・・・・センサ
30・・・・処理部
31・・・・電源回路
32・・・・AD変換器
33・・・・CPU
34・・・・メモリ
40・・・・無線通信部
41・・・・第1周波数帯用変復調回路
42・・・・第2周波数帯用変復調回路
43・・・・周波数判定選択部
50・・・・アンテナ
100・・・電池セル管理装置
200・・・組電池管理装置
210・・・無線通信部
220・・・CPU
230・・・電源回路
240・・・メモリ
250・・・アンテナ
Claims (10)
- 1つまたは複数の電池セルにより構成される電池セル群と、
前記電池セル群に対応して設けられ、前記電池セル群の電池セルの充電状態に関する測定結果を取得する電池セル管理装置と、
前記電池セル管理装置との間で無線通信を行う組電池管理装置と、を備え、
前記無線通信では、複数の無線周波数を使用可能である電池システム。 - 請求項1に記載の電池システムにおいて、
前記電池セル管理装置は、前記組電池管理装置から前記複数の無線周波数のいずれかにより送信される無線信号を受信すると共に、前記組電池管理装置へ前記複数の無線周波数のいずれかにより無線信号を送信する無線通信部を備える電池システム。 - 請求項2に記載の電池システムにおいて、
前記組電池管理装置は、前記複数の無線周波数のいずれかにより、前記電池セル管理装置へ無変調搬送波を連続的に送信し、
前記電池セル管理装置は、前記無線通信部において、前記組電池管理装置から送信される無変調搬送波に対するインピーダンスを、前記電池セル群の各電池セルの状態測定結果に応じて所定のタイミングで変化させることにより、前記複数の無線周波数のいずれかを用いて、前記電池セル群の各電池セルの状態測定結果を前記組電池管理装置へ無線送信する電池システム。 - 請求項3に記載の電池システムにおいて、
前記電池セル管理装置は、前記電池セル群の各電池セルの状態を測定するための測定回路と、前記組電池管理装置から送信される前記無変調搬送波を受信するためのアンテナとを備え、
前記無線通信部は、前記測定回路により測定された前記電池セル群の各電池セルの状態に応じて、前記アンテナのインピーダンスを変化させる電池システム。 - 請求項1乃至4のいずれか一項に記載の電池システムにおいて、
前記電池セル管理装置は、前記無線通信において使用する無線周波数ごとに異なる情報を前記組電池管理装置へ送信する電池システム。 - 請求項5に記載の電池システムにおいて、
前記電池セル管理装置は、前記無線通信において第1の無線周波数および第2の無線周波数を使用可能であり、
前記第1の無線周波数では、前記電池セル群の各電池セルの状態を制御するための動的情報を含む第1の送信情報を前記組電池管理装置へ送信し、
前記第2の無線周波数では、前記電池セル群の各電池セルを管理するための静的情報を含む第2の送信情報を前記組電池管理装置へ送信する電池システム。 - 請求項1に記載の電池システムにおいて、
前記電池セル管理装置は、
前記電池セル群の各電池セルの状態を測定するための測定回路と、
前記電池セル群の電池セルから供給される電力に基づいて電源電圧を発生する電源回路と、
前記組電池管理装置から前記複数の無線周波数のいずれかにより送信される無線信号を受信すると共に、前記組電池管理装置へ前記複数の無線周波数のいずれかにより無線信号を送信するためのアンテナと、
前記アンテナにより送受信される前記無線信号を変復調するための無線通信部と、を備える電池システム。 - 請求項1に記載の電池システムにおいて、
前記組電池管理装置は、前記電池セル管理装置との間の通信距離および前記電池システムの用途のいずれか一方または両方に応じて、前記無線通信に使用する無線周波数を変化させる電池システム。 - 1つまたは複数の電池セルにより構成される電池セル群と接続されており、
前記電池セル群の各電池セルの状態を測定するための測定回路と、
前記電池セル群の電池セルから供給される電力に基づいて電源電圧を発生する電源回路と、
複数の無線周波数のいずれかにより送信される無線信号を受信すると共に、前記複数の無線周波数のいずれかにより無線信号を送信するためのアンテナと、
前記アンテナにより送受信される前記無線信号を変復調するための無線通信部と、を備える電池セル管理装置。 - 請求項1に記載の電池システムにおいて、
前記複数の無線周波数は、2.4GHz帯の無線周波数および900MHz帯の無線周波数の少なくとも1つを含む電池システム。
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KR102312942B1 (ko) * | 2021-05-24 | 2021-10-15 | 주식회사 그린퍼즐 | 배터리 관리 장치 및 이를 포함하는 배터리 팩 |
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US20160294019A1 (en) | 2016-10-06 |
JP6171027B2 (ja) | 2017-07-26 |
WO2015092846A1 (ja) | 2015-06-25 |
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