WO2009031201A1 - 充電回路 - Google Patents
充電回路 Download PDFInfo
- Publication number
- WO2009031201A1 WO2009031201A1 PCT/JP2007/067189 JP2007067189W WO2009031201A1 WO 2009031201 A1 WO2009031201 A1 WO 2009031201A1 JP 2007067189 W JP2007067189 W JP 2007067189W WO 2009031201 A1 WO2009031201 A1 WO 2009031201A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- charging
- voltage
- constant
- controlling portion
- current
- Prior art date
Links
Classifications
-
- 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
- H01M10/44—Methods for charging or discharging
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
バッテリー(3)の外れに起因するシステム異常を未然に防止する充電回路(11)。充電回路(11)は、充電電圧を検出して定電圧充電動作を行う定電圧充電制御部(8,7)と、充電電流を検出して定電流充電動作を行う定電流充電制御部(6,7)と、充電電圧が満充電電圧に達してから、充電電流が充電終了電流まで減少するまでの間、定電圧充電動作を行うように定電圧充電制御部を制御する制御部(12,13)とを含む。制御部(12,13)は、定電圧充電動作時にバッテリー(3)の充電を停止し、充電回路(11)にバッテリー(3)が接続されているか否かを該充電停止時における充電電圧に基づいて検出する。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009531041A JP5056852B2 (ja) | 2007-09-04 | 2007-09-04 | 充電回路 |
PCT/JP2007/067189 WO2009031201A1 (ja) | 2007-09-04 | 2007-09-04 | 充電回路 |
US12/708,332 US8742730B2 (en) | 2007-09-04 | 2010-02-18 | Charging circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/067189 WO2009031201A1 (ja) | 2007-09-04 | 2007-09-04 | 充電回路 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/708,332 Continuation US8742730B2 (en) | 2007-09-04 | 2010-02-18 | Charging circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009031201A1 true WO2009031201A1 (ja) | 2009-03-12 |
Family
ID=40428524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/067189 WO2009031201A1 (ja) | 2007-09-04 | 2007-09-04 | 充電回路 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8742730B2 (ja) |
JP (1) | JP5056852B2 (ja) |
WO (1) | WO2009031201A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5576264B2 (ja) * | 2010-12-28 | 2014-08-20 | 株式会社マキタ | 充電装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09247868A (ja) * | 1996-03-08 | 1997-09-19 | Sony Corp | 満充電検出方法及びその装置 |
JP2005012931A (ja) * | 2003-06-19 | 2005-01-13 | Kyocera Corp | 充電制御回路及び充電制御方法、電子機器 |
JP2005253128A (ja) * | 2004-03-01 | 2005-09-15 | Ricoh Co Ltd | 電池接続検出回路 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5710506A (en) * | 1995-02-07 | 1998-01-20 | Benchmarq Microelectronics, Inc. | Lead acid charger |
TW535308B (en) * | 2000-05-23 | 2003-06-01 | Canon Kk | Detecting method for detecting internal state of a rechargeable battery, detecting device for practicing said detecting method, and instrument provided with said |
JP3612495B2 (ja) * | 2001-05-07 | 2005-01-19 | 埼玉日本電気株式会社 | 電池残量レベル表示機能付き携帯通信端末 |
JP3905005B2 (ja) * | 2002-09-18 | 2007-04-18 | 富士通株式会社 | 携帯型機器及び半導体集積回路装置 |
JP4435000B2 (ja) | 2005-03-11 | 2010-03-17 | セイコーエプソン株式会社 | 電池制御回路、該電池制御回路を備えた電子機器、充電制御プログラム、充電制御方法 |
-
2007
- 2007-09-04 WO PCT/JP2007/067189 patent/WO2009031201A1/ja active Application Filing
- 2007-09-04 JP JP2009531041A patent/JP5056852B2/ja active Active
-
2010
- 2010-02-18 US US12/708,332 patent/US8742730B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09247868A (ja) * | 1996-03-08 | 1997-09-19 | Sony Corp | 満充電検出方法及びその装置 |
JP2005012931A (ja) * | 2003-06-19 | 2005-01-13 | Kyocera Corp | 充電制御回路及び充電制御方法、電子機器 |
JP2005253128A (ja) * | 2004-03-01 | 2005-09-15 | Ricoh Co Ltd | 電池接続検出回路 |
Also Published As
Publication number | Publication date |
---|---|
US20100141218A1 (en) | 2010-06-10 |
JP5056852B2 (ja) | 2012-10-24 |
US8742730B2 (en) | 2014-06-03 |
JPWO2009031201A1 (ja) | 2010-12-09 |
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