JP4073880B2 - 電子機器 - Google Patents
電子機器 Download PDFInfo
- Publication number
- JP4073880B2 JP4073880B2 JP2004065425A JP2004065425A JP4073880B2 JP 4073880 B2 JP4073880 B2 JP 4073880B2 JP 2004065425 A JP2004065425 A JP 2004065425A JP 2004065425 A JP2004065425 A JP 2004065425A JP 4073880 B2 JP4073880 B2 JP 4073880B2
- Authority
- JP
- Japan
- Prior art keywords
- battery
- voltage
- power
- charge control
- internal resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
Description
同じく図1で示す蓄電器102の蓄電電圧の方が低い場合は、出力電力がある値以上にはならない降圧型DC-DCコンバータを用いても良い。
102 蓄電器
103 充電制御回路
104 負荷
401 燃料電池
402 二次電池
403 充電制御手段
405 電力変換装置
406 スイッチ
407 ダイオード
Claims (3)
- 内部抵抗が高い第1の電池と、
前記第1の電池よりも内部抵抗が低く、前記第1の電池の電力を蓄電する蓄電器と、
前記蓄電器の蓄電電力で駆動され、第1の動作モードと、前記第1の動作モードよりも消費電流の多い第2の動作モードを有する負荷と、
前記第1の動作モードの消費電流よりも多く、前記第2の動作モードの消費電流よりも少ない充電電流の第1の充電制御モードと、前記第2の動作モードの消費電流よりも多い充電電流の第2の充電制御モードとを有し、前記蓄電器の電圧が所定の電圧より大きい場合に前記第1の充電制御モードで前記第1の電池から前記蓄電器に充電し、前記蓄電器の電圧が前記所定の電圧以下の場合に前記第2の充電制御モードで前記第1の電池から前記蓄電器に充電する、充電制御回路と、
を有する電子機器。 - 前記充電制御回路は、前記蓄電器の電圧が前記所定の電圧となるように前記充電電流を制御するDC−DCコンバータを備え、
前記DC−DCコンバータはリミット回路を有し、
前記リミット回路は、前記第1の充電制御モードで動作し、前記第2の充電制御モードで動作を停止する、請求項1に記載の電子機器。 - 前記充電制御回路は、前記第1の電池の電池電圧ドロップが所定量となるように前記充電電流を制御する第1のDC−DCコンバータと、前記蓄電器の電圧が前記所定の電圧となるように前記充電電流を制御する第2のDC−DCコンバータを備え、
前記充電制御回路は、前記第1の充電制御モードにおいて前記第1のDC−DCコンバータが動作し、前記第2の充電制御モードにおいて前記第2のDC−DCコンバータが動作する、請求項1に記載の電子機器。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004065425A JP4073880B2 (ja) | 2003-03-31 | 2004-03-09 | 電子機器 |
TW093108547A TWI336535B (en) | 2003-03-31 | 2004-03-29 | Electronic equipment |
US10/812,437 US7336053B2 (en) | 2003-03-31 | 2004-03-30 | Battery-powered electronic equipment with charge control circuit |
CNB2004100430491A CN100466414C (zh) | 2003-03-31 | 2004-03-31 | 电子设备 |
KR1020040022050A KR100907372B1 (ko) | 2003-03-31 | 2004-03-31 | 전자 기기 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003094446 | 2003-03-31 | ||
JP2004065425A JP4073880B2 (ja) | 2003-03-31 | 2004-03-09 | 電子機器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004320982A JP2004320982A (ja) | 2004-11-11 |
JP4073880B2 true JP4073880B2 (ja) | 2008-04-09 |
Family
ID=33161472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004065425A Expired - Fee Related JP4073880B2 (ja) | 2003-03-31 | 2004-03-09 | 電子機器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7336053B2 (ja) |
JP (1) | JP4073880B2 (ja) |
KR (1) | KR100907372B1 (ja) |
CN (1) | CN100466414C (ja) |
TW (1) | TWI336535B (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7224143B2 (en) * | 2002-11-27 | 2007-05-29 | Medrad, Inc. | Continuous battery charger system |
JP4734939B2 (ja) * | 2005-01-28 | 2011-07-27 | 株式会社デンソー | 2次電池充電システム |
JP5191644B2 (ja) * | 2006-10-13 | 2013-05-08 | セイコーインスツル株式会社 | 燃料電池システム、電圧決定装置及び電圧決定方法 |
JP2009295769A (ja) * | 2008-06-05 | 2009-12-17 | Nec Corp | Ledフラッシュ装置ならびに電子機器 |
US8154258B2 (en) * | 2008-10-10 | 2012-04-10 | Oracle America, Inc. | Backup energy storage module with voltage leveling |
US8546977B2 (en) * | 2009-04-22 | 2013-10-01 | Lsi Corporation | Voltage based switching of a power supply system current |
EP2702419A4 (en) * | 2011-04-28 | 2014-10-22 | Zoll Circulation Inc | SYSTEM AND METHOD FOR AUTOMATIC BATTERY INTRODUCTION DETECTION |
JP6328385B2 (ja) * | 2013-07-02 | 2018-05-23 | サイプレス セミコンダクター コーポレーション | 電源回路 |
US10063073B2 (en) * | 2014-05-21 | 2018-08-28 | Dialog Semiconductor Inc. | USB power converter with bleeder circuit for fast correction of output voltage by discharging output capacitor |
TWI653556B (zh) * | 2018-04-03 | 2019-03-11 | 禾瑞亞科技股份有限公司 | 觸控筆、電路系統、控制電路與控制方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6075331A (en) * | 1993-03-18 | 2000-06-13 | Imra America, Inc. | Systems and methods for managing energy of electric power supply systems |
JP2708374B2 (ja) * | 1994-07-26 | 1998-02-04 | インターナショナル・ビジネス・マシーンズ・コーポレイション | コンピュータ用バッテリ接続装置及びバッテリの切換方法 |
WO1998028832A1 (en) * | 1996-12-20 | 1998-07-02 | Manuel Dos Santos Da Ponte | Hybrid generator apparatus |
JP3810558B2 (ja) * | 1998-05-19 | 2006-08-16 | 本田技研工業株式会社 | 脚式移動ロボット |
AUPQ750500A0 (en) * | 2000-05-15 | 2000-06-08 | Energy Storage Systems Pty Ltd | A power supply |
JP2002034162A (ja) * | 2000-07-14 | 2002-01-31 | Nippon Telegr & Teleph Corp <Ntt> | 分散電源システムとその制御方法 |
JP3724365B2 (ja) * | 2000-12-04 | 2005-12-07 | 日産自動車株式会社 | 燃料電池システムの制御装置及び方法 |
JP3977841B2 (ja) * | 2003-01-24 | 2007-09-19 | 三菱電機株式会社 | バッテリ用電力回路 |
JP5031997B2 (ja) * | 2005-04-25 | 2012-09-26 | 帝人デュポンフィルム株式会社 | 色素増感型太陽電池用電極およびその製造方法 |
-
2004
- 2004-03-09 JP JP2004065425A patent/JP4073880B2/ja not_active Expired - Fee Related
- 2004-03-29 TW TW093108547A patent/TWI336535B/zh not_active IP Right Cessation
- 2004-03-30 US US10/812,437 patent/US7336053B2/en active Active
- 2004-03-31 KR KR1020040022050A patent/KR100907372B1/ko active IP Right Grant
- 2004-03-31 CN CNB2004100430491A patent/CN100466414C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20040207361A1 (en) | 2004-10-21 |
CN1551448A (zh) | 2004-12-01 |
TW200501473A (en) | 2005-01-01 |
KR20040088359A (ko) | 2004-10-16 |
JP2004320982A (ja) | 2004-11-11 |
KR100907372B1 (ko) | 2009-07-10 |
CN100466414C (zh) | 2009-03-04 |
TWI336535B (en) | 2011-01-21 |
US7336053B2 (en) | 2008-02-26 |
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