JP4626578B2 - 電池パック - Google Patents
電池パック Download PDFInfo
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- JP4626578B2 JP4626578B2 JP2006176506A JP2006176506A JP4626578B2 JP 4626578 B2 JP4626578 B2 JP 4626578B2 JP 2006176506 A JP2006176506 A JP 2006176506A JP 2006176506 A JP2006176506 A JP 2006176506A JP 4626578 B2 JP4626578 B2 JP 4626578B2
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- Prior art keywords
- battery
- voltage
- cell
- impedance
- battery pack
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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
- 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
Description
電池素子の正極および負極間に印加する交流電圧を発生する交流信号発生手段と、
電池素子の静特性が得られる状態で交流信号発生手段により発生した交流電圧を電池素子に印加し、電池素子の正極および負極間の出力電圧のレベルを測定することによって電池素子の異常を検出する判定手段と、
判定手段によって電池素子の異常が検出された場合に、電池素子の放電および充電を不可能とする制御手段と
をケース内に設けた電池パックである。
2・・・電池パックの+端子
3・・・電池パックの−端子
5・・・放電制御スイッチ
6・・・充電制御スイッチ
10・・・過放電、過充電、過電流検出ブロック
20・・・セルインピーダンス測定ブロック
21,21a・・・正弦波発振部
22,22a・・・インピーダンス変換部
23,23a・・・インピーダンス判定部
Claims (4)
- 2次電池の電池素子と、電池素子の端子電圧および放電電流をそれぞれ測定して、過充電、過放電および過電流を防止する機能を有する保護回路とが共通のケースによって一体化された電池パックにおいて、
電池素子の正極および負極間に印加する交流電圧を発生する交流信号発生手段と、
上記電池素子の静特性が得られる状態で上記交流信号発生手段により発生した交流電圧を上記電池素子に印加し、上記電池素子の正極および負極間の出力電圧のレベルを測定することによって上記電池素子の異常を検出する判定手段と、
上記判定手段によって上記電池素子の異常が検出された場合に、上記電池素子の放電および充電を不可能とする制御手段と
を上記ケース内に設けた電池パック。 - 上記交流信号発生手段が発生する上記交流電圧の振幅は、過充電検出電圧レベル以下に設定される請求項1記載の電池パック。
- 上記判定手段は、上限基準値と下限基準値との間に上記出力電圧のレベルが存在する場合に正常と判定し、上記上限基準値と下限基準値との間に上記出力電圧のレベルが存在しない場合に異常と判定する請求項1記載の電池パック。
- 上記電池素子の複数個が直列接続され、複数個の上記電池素子の何れか一つの異常が検出された場合に、上記電池素子の放電および充電を不可能とする請求項1記載の電池パック。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006176506A JP4626578B2 (ja) | 2006-06-27 | 2006-06-27 | 電池パック |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006176506A JP4626578B2 (ja) | 2006-06-27 | 2006-06-27 | 電池パック |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008011597A JP2008011597A (ja) | 2008-01-17 |
JP4626578B2 true JP4626578B2 (ja) | 2011-02-09 |
Family
ID=39069277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006176506A Active JP4626578B2 (ja) | 2006-06-27 | 2006-06-27 | 電池パック |
Country Status (1)
Country | Link |
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JP (1) | JP4626578B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4843658B2 (ja) | 2008-10-09 | 2011-12-21 | フェリカネットワークス株式会社 | バッテリパック及び情報処理装置 |
JP2010098912A (ja) * | 2008-10-20 | 2010-04-30 | Tokyo Coil Engineering Kk | 携帯電子機器の充電器 |
JP2011078282A (ja) | 2009-10-01 | 2011-04-14 | Sony Corp | 電池パック |
KR101387678B1 (ko) | 2013-07-16 | 2014-04-21 | (주)오씨티 | 폐 배터리 재생 장치 및 방법 |
US10290908B2 (en) | 2014-02-14 | 2019-05-14 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and electronic device |
CN108973758A (zh) * | 2018-08-31 | 2018-12-11 | 金华安靠电源科技有限公司 | 一种电动汽车充电系统的充电识别方法及电动汽车充电电路 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11297367A (ja) * | 1998-04-06 | 1999-10-29 | Matsushita Electric Ind Co Ltd | 電池の電極群の短絡検査方法及びその短絡検査装置 |
JP2000030763A (ja) * | 1998-07-13 | 2000-01-28 | Mitsubishi Chemicals Corp | 二次電池の短絡検査方法および当該検査方法を包含する二次電池の製造方法 |
JP2003121514A (ja) * | 2001-10-09 | 2003-04-23 | Furukawa Battery Co Ltd:The | 蓄電池の内部インピーダンス測定方法 |
JP2006101635A (ja) * | 2004-09-29 | 2006-04-13 | Mitsumi Electric Co Ltd | 過充電/過放電検出装置及び過充電/過放電検出回路並びに半導体装置 |
JP2007071632A (ja) * | 2005-09-06 | 2007-03-22 | Fujitsu Ltd | 電池パックの異常検出方法、電池パック及び電子機器 |
-
2006
- 2006-06-27 JP JP2006176506A patent/JP4626578B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11297367A (ja) * | 1998-04-06 | 1999-10-29 | Matsushita Electric Ind Co Ltd | 電池の電極群の短絡検査方法及びその短絡検査装置 |
JP2000030763A (ja) * | 1998-07-13 | 2000-01-28 | Mitsubishi Chemicals Corp | 二次電池の短絡検査方法および当該検査方法を包含する二次電池の製造方法 |
JP2003121514A (ja) * | 2001-10-09 | 2003-04-23 | Furukawa Battery Co Ltd:The | 蓄電池の内部インピーダンス測定方法 |
JP2006101635A (ja) * | 2004-09-29 | 2006-04-13 | Mitsumi Electric Co Ltd | 過充電/過放電検出装置及び過充電/過放電検出回路並びに半導体装置 |
JP2007071632A (ja) * | 2005-09-06 | 2007-03-22 | Fujitsu Ltd | 電池パックの異常検出方法、電池パック及び電子機器 |
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JP2008011597A (ja) | 2008-01-17 |
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