JP5090763B2 - 二次電池の充電装置 - Google Patents
二次電池の充電装置 Download PDFInfo
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- B60L2240/00—Control parameters of input or output; Target parameters
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- B60L2240/547—Voltage
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
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- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
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Description
特許文献1に開示された二次電池の充電装置は、自動車に装備する鉛蓄電池を充電するためのものである。この充電装置は、充電開始後に充電電圧が所定の電圧(充電電圧の最大値Vmax )に達した後、この電圧で一定時間だけ定電圧充電を行うように構成されている。
一方、たとえば電動二輪車などの電動車両の電源として使用される二次電池としては、上述した鉛蓄電池の他に、ニッケルカドミウム電池、ニッケル水素電池などがある。
このような不具合は、鉛蓄電池をニッケルカドミウム電池やニッケル水素電池などに代えた場合であっても同様に発生する。
すなわち、本発明によれば、予め決められた二次電池とは異なる種類の二次電池に誤って充電したときに過度の充電により劣化が進行したり、二次電池が破損するようなことを防ぐことができる。
以下、本発明に係る二次電池の充電装置の一実施の形態を図1〜図6によって詳細に説明する。
図1は本発明に係る二次電池の充電装置を示す図で、同図(A)は平面図、同図(B)は側面図、同図(C)は電源入力用プラグの正面図、同図(D)は充電用プラグの正面図である。図2は本発明に係る二次電池の充電装置の構成を示すブロック図、図3は制御部の構成を示すブロック図、図4および図5は本発明に係る二次電池の充電装置の動作を説明するためのフローチャートである。図6は充電時の電流と電圧の変化を示すグラフである。
前記電圧検知部18は、前記バッテリー13の電圧を検出するためのものである。この電圧検知部18は、図2に示すように、前記電源供給ライン21における出力スイッチ15と前記雌型端子7aとの間と、接地ライン30との間に設けられている。この電圧検知部18によって、本発明でいう電圧検出装置が構成されている。なお、前記電流検知部17と前記電圧検知部18とは、図2に示す回路図上では単なる抵抗として描いてあるが、実際には電圧検知用回路、電流検知用回路によって構成されている。
前記定電流充電部23は、予め定めた一定電流がバッテリー13を流れるように定電流充電を行う。
この電圧値や前記電流値を示す数値データは、制御部16内のメモリ28に記憶されている。
この定電圧充電は、一定の電圧がバッテリー13に印加されるように行う。この実施の形態において、定電圧充電部24が定電圧充電を行うときの充電電圧は、前記定電流充電の停止時の電圧、すなわち58Vに設定されている。
第1の異常検出点は、電池パック11を充電装置1に接続した後であって、定電流充電が開始される以前である。
この最終充電部27による定電圧充電は、電池パック11が充電装置1から取外されるまで継続して行われる。
この最終充電部27が前記定電圧充電を行うときの充電電流は、前記定電流充電時の一定の電流値(1.7A)より小さな値として予め設定された最終充電電流を越えることがないように設定されている。
先ず、充電装置1の電源入力用プラグ6を商用電源のコンセントに挿入し、制御部16が給電されるようにする。この状態では、図4に示すフローチャートのステップP1に示すように、接続確認部22が電池パック11(バッテリー13)の接続の有無を判定する。
この実施の形態では、バッテリー13の電圧が58Vに達した時点T1(図6参照)で定電流充電から定電圧充電に切り換わって充電が継続される。
ステップP10において、電池接続信号無し(電池パック11が接続されていない)と判定された場合は、ステップP12に進み、接続待機状態に移行する。
上述した実施の形態では接続信号ラインが陰極側に設けられている例について説明したが、接続信号ラインは、図7に示すように陽極側に設けることができる。
図7に示す形態を採る場合であっても第1の実施の形態を採るときと同じ効果を奏する
Claims (2)
- 二次電池が接続されているか否かを判定するための接続確認手段と、
前記二次電池の電圧を検出するための電圧検出装置と、
前記二次電池を流れる電流を検出するための電流検出装置と、
充電電圧と充電電流とを制御するための充電制御装置とを備え、
前記充電制御装置は、
充電電流を予め定めた一定値とし、前記電圧検出装置によって検出された電圧が予め定めた設定電圧に達するまで定電流充電を行う定電流充電部と、
充電電圧を前記設定電圧からなる一定値とし、前記定電流充電に続けて定電圧充電を行う定電圧充電部と、
前記定電圧充電中に前記電流検出装置によって検出された電流が予め定めた充電電流確認値より低下したときに充電を停止させる充電停止部と、
前記充電停止部が前記定電圧充電を停止させた後、前記電圧検出装置によって検出された電圧が予め定めた正常電圧範囲の範囲外であり、かつ前記接続確認手段によって二次電池が接続されていると判定されている場合、異常処理を行う異常処理部と、
前記充電停止部が定電圧充電を停止させた後、前記電圧検出装置によって検出された電圧が予め定めた正常電圧範囲にある場合、二次電池を再び定電圧充電によって充電する最終充電部とを備え、
この最終充電部が充電するときの充電電流は、前記定電流充電時の電流値より小さい最終充電電流を越えることがないように設定され、
この最終充電部が充電するときの充電電圧は、前記定電圧充電時の電圧値より小さい最終充電電圧を越えることがないように設定されていることを特徴とする二次電池の充電装置。 - 請求項1記載の二次電池の充電装置において、
前記充電制御装置の前記充電停止部は、前記最終充電部による充電中に前記接続確認手段によって二次電池が接続されていないと判定された場合にも充電を停止させ、
前記充電制御装置の前記異常処理部は、前記最終充電部による充電が前記充電停止部によって停止させられた後、前記電圧検出装置によって二次電池の電圧が検出された場合にも異常処理を行うことを特徴とする二次電池の充電装置。
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JP2007074223A JP5090763B2 (ja) | 2007-03-22 | 2007-03-22 | 二次電池の充電装置 |
CN2008100877412A CN101272060B (zh) | 2007-03-22 | 2008-03-24 | 二次电池的充电装置 |
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JP2007074223A JP5090763B2 (ja) | 2007-03-22 | 2007-03-22 | 二次電池の充電装置 |
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JP5090763B2 true JP5090763B2 (ja) | 2012-12-05 |
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Cited By (1)
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US11575272B2 (en) | 2020-01-30 | 2023-02-07 | Samsung Sdi Co., Ltd. | Method for charging battery |
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EP2395622B1 (en) * | 2009-02-03 | 2018-07-11 | Toyota Jidosha Kabushiki Kaisha | Charging system for vehicle and method for controlling charging system |
JP5327328B2 (ja) * | 2010-07-05 | 2013-10-30 | トヨタ自動車株式会社 | 充電制御装置および車両 |
CN106233565B (zh) * | 2015-09-24 | 2019-06-14 | Oppo广东移动通信有限公司 | 充电方法和移动终端 |
WO2018155270A1 (ja) * | 2017-02-22 | 2018-08-30 | Necエナジーデバイス株式会社 | 充電システム、電池パック、及び保護装置 |
JP6992807B2 (ja) * | 2017-04-14 | 2022-01-13 | 株式会社村田製作所 | 充電制御装置及び充電ユニット |
CN109546243A (zh) * | 2017-09-22 | 2019-03-29 | 银隆新能源股份有限公司 | 一种二次电池的活化方法 |
JP6985999B2 (ja) * | 2018-09-18 | 2021-12-22 | カシオ計算機株式会社 | 充電保護回路、充電装置、電子機器及び充電保護方法 |
CN110311181B (zh) * | 2019-05-31 | 2021-02-12 | 天能电池集团股份有限公司 | 一种铅蓄电池低温充电工艺 |
CN112768795A (zh) * | 2019-11-06 | 2021-05-07 | 北京小米移动软件有限公司 | 一种电池充电方法、装置及介质 |
CN115632449B (zh) * | 2022-09-09 | 2024-04-23 | 河南驰诚电气股份有限公司 | 一种电池快速充电状态检测装置及方法 |
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JPH07212981A (ja) * | 1994-01-24 | 1995-08-11 | Sharp Corp | 二次電池充電装置 |
CN1077341C (zh) * | 1995-08-10 | 2002-01-02 | 索尼公司 | 充电方法和充电装置 |
JP3620118B2 (ja) * | 1995-10-24 | 2005-02-16 | 松下電器産業株式会社 | 定電流・定電圧充電装置 |
US5923150A (en) * | 1996-03-29 | 1999-07-13 | Sony Corporation | Charging apparatus |
JP3708267B2 (ja) * | 1997-01-20 | 2005-10-19 | 松下電器産業株式会社 | 充電装置 |
JP2001015176A (ja) * | 1999-06-30 | 2001-01-19 | Nippon Mitsubishi Oil Corp | 鉛蓄電池の充電方法および充電装置 |
JP5074648B2 (ja) * | 2000-05-23 | 2012-11-14 | キヤノン株式会社 | 二次電池の内部状態検知方法、検知装置、該検知装置を備えた機器、内部状態検知プログラム、および該プログラムを収めた媒体 |
JP2004166364A (ja) * | 2002-11-12 | 2004-06-10 | Ngk Spark Plug Co Ltd | 充電器および充電方法 |
JP4052284B2 (ja) * | 2004-05-31 | 2008-02-27 | 松下電工株式会社 | 充電器及びそれを備えた充電装置 |
CN2877107Y (zh) * | 2006-01-11 | 2007-03-07 | 惠州市蓝微电子有限公司 | 一种锂电池充电管理线路 |
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US11575272B2 (en) | 2020-01-30 | 2023-02-07 | Samsung Sdi Co., Ltd. | Method for charging battery |
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