JP2007143285A - 電動工具用の電池パック - Google Patents
電動工具用の電池パック Download PDFInfo
- Publication number
- JP2007143285A JP2007143285A JP2005333283A JP2005333283A JP2007143285A JP 2007143285 A JP2007143285 A JP 2007143285A JP 2005333283 A JP2005333283 A JP 2005333283A JP 2005333283 A JP2005333283 A JP 2005333283A JP 2007143285 A JP2007143285 A JP 2007143285A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- control circuit
- power supply
- voltage
- battery pack
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
- H02J7/663—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements using battery or load disconnect circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
- H02J7/61—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements against overcharge
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
- H02J7/63—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements against overdischarge
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/80—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
- H02J7/82—Control of state of charge [SOC]
-
- 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
-
- 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)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Portable Power Tools In General (AREA)
Abstract
【解決手段】第2の制御回路8は、第2の所定値Vth2を生成するツェナーダイオードZD1〜ZD4、第2の所定値Vth2と二次電池4A〜4Dの両端電圧とを比較する複数の比較器81〜84を具備した第2の検出回路8aと、充電器2若しくは電動工具3に装着された状態で充電器2あるいは電動工具3から与えられる制御信号VDによって第2の検出回路8aに動作用電源を供給する電源制御回路8eとを具備する。電源制御回路8eが放置状態で第2の検出回路8aへの給電を遮断していることで放置状態における電流消費を非常に低いレベルに低減することができ、その結果、電池パック1が長期間放置された場合でも過放電になって劣化するのを防ぐことができる。
【選択図】図1
Description
2 充電器
4 組電池
4A〜4D 二次電池
5a,5b 電源端子
5c 第2の電源端子
6 保護素子
7 第1の制御回路
8 第2の制御回路
8a 第2の検出回路
8e 電源制御回路
Claims (4)
- 充電器並びに電動工具にそれぞれ着脱自在に装着され、充電器によって充電されるとともに電動工具に装着されたときに該電動工具に電力を供給する電池パックであって、複数の二次電池を接続してなる組電池と、組電池の正極並びに負極とそれぞれ接続される一対の電源端子と、前記二次電池の両端電圧を個別に検出し該検出電圧が第1の所定値よりも高いときに充電器に対して充電制御信号を出力する第1の制御回路と、前記二次電池の両端電圧を個別に検出し該検出電圧が第1の所定値よりも低い第2の所定値を下回ったときに放電停止信号を出力する第2の制御回路と、前記充電制御信号並びに放電停止信号を個別に出力する信号端子とを備え、前記第2の制御回路は、両端電圧がほぼ一定となる定電圧素子、該定電圧素子の両端電圧に応じて設定される前記第2の所定値と前記二次電池の両端電圧とを比較する複数の比較器を具備した検出回路と、充電器若しくは電動工具に装着された状態で充電器あるいは電動工具から与えられる制御信号に応じて前記検出回路に動作用電源を供給する電源制御回路とを具備することを特徴とする電動工具用の電池パック。
- 前記第2の制御回路は、検出電圧が第2の所定値を下回った時点から放電停止信号が出力されるまでの時間を遅らせる遅延回路を具備することを特徴とする請求項1記載の電動工具用の電池パック。
- 前記電源制御回路は、前記定電圧素子や比較器への電源供給経路を各別に開閉する複数のスイッチ要素を具備することを特徴とする請求項1又は2記載の電動工具用の電池パック。
- 前記電源端子と前記信号端子のグランドが分離されていることを特徴とする請求項1〜3の何れかに記載の電動工具用の電池パック。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005333283A JP4241715B2 (ja) | 2005-11-17 | 2005-11-17 | 電動工具用の電池パック |
| DE602006003513T DE602006003513D1 (de) | 2005-11-17 | 2006-11-14 | Wiederaufladbare Batterieeinheit für eine Elektrowerkzeugmaschine |
| EP06023689A EP1788687B1 (en) | 2005-11-17 | 2006-11-14 | Rechargeable battery pack for a power tool |
| US11/599,416 US7570017B2 (en) | 2005-11-17 | 2006-11-15 | Rechargeable battery pack for a power tool including over-discharge protection |
| CNB2006101493622A CN100442630C (zh) | 2005-11-17 | 2006-11-17 | 用于电动工具的可充电电池组件 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005333283A JP4241715B2 (ja) | 2005-11-17 | 2005-11-17 | 電動工具用の電池パック |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007143285A true JP2007143285A (ja) | 2007-06-07 |
| JP4241715B2 JP4241715B2 (ja) | 2009-03-18 |
Family
ID=37686125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005333283A Expired - Fee Related JP4241715B2 (ja) | 2005-11-17 | 2005-11-17 | 電動工具用の電池パック |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7570017B2 (ja) |
| EP (1) | EP1788687B1 (ja) |
| JP (1) | JP4241715B2 (ja) |
| CN (1) | CN100442630C (ja) |
| DE (1) | DE602006003513D1 (ja) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008199827A (ja) * | 2007-02-14 | 2008-08-28 | Matsushita Electric Works Ltd | 電池パック |
| JP2010259234A (ja) * | 2009-04-24 | 2010-11-11 | Panasonic Electric Works Power Tools Co Ltd | 電池パック |
| JP2011201005A (ja) * | 2010-03-26 | 2011-10-13 | Panasonic Electric Works Power Tools Co Ltd | 電動工具 |
| JP2011229319A (ja) * | 2010-04-21 | 2011-11-10 | Makita Corp | 電動工具用バッテリパック |
| WO2017022169A1 (ja) * | 2015-07-31 | 2017-02-09 | パナソニックIpマネジメント株式会社 | バッテリ制御装置、電子機器、バッテリパック及びバッテリ制御方法 |
| JP2020182370A (ja) * | 2019-04-23 | 2020-11-05 | 深▲せん▼市華宝新能源股▲ふん▼有限公司Shenzhen Hello Tech Energy Co., Ltd. | 充電装置 |
| JPWO2022162755A1 (ja) * | 2021-01-27 | 2022-08-04 | ||
| JP2024506243A (ja) * | 2021-10-20 | 2024-02-13 | エルジー エナジー ソリューション リミテッド | バッテリパックに係る情報を設定する方法およびそれを適用したバッテリシステム |
| JP2024525772A (ja) * | 2021-09-26 | 2024-07-12 | 中興通訊股▲ふん▼有限公司 | 端末充電システム、端末充電方法および記憶媒体 |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8471532B2 (en) | 2002-11-22 | 2013-06-25 | Milwaukee Electric Tool Corporation | Battery pack |
| US7589500B2 (en) | 2002-11-22 | 2009-09-15 | Milwaukee Electric Tool Corporation | Method and system for battery protection |
| EP1780867B1 (en) * | 2005-10-28 | 2016-11-30 | Black & Decker Inc. | Battery pack for cordless power tools |
| US20080012570A1 (en) * | 2006-07-17 | 2008-01-17 | O2Micro, Inc. | Monitoring battery cell voltage |
| US7825627B2 (en) | 2006-07-17 | 2010-11-02 | O2Micro International Limited | Monitoring battery cell voltage |
| JP2008092768A (ja) * | 2006-10-05 | 2008-04-17 | Nippon Telegr & Teleph Corp <Ntt> | 放電器、放電制御方法、放電制御プログラム並びにプログラム記録媒体 |
| TWI337412B (en) * | 2007-04-13 | 2011-02-11 | Cheng Uei Prec Ind Co Ltd | Charge and discharge system |
| NL2000917C2 (nl) * | 2007-10-10 | 2009-04-14 | Electrische App Nfabriek Capax | Elektrisch gereedschap met door batterijbewaking bestuurde beveiliging. |
| US20090208819A1 (en) * | 2008-02-20 | 2009-08-20 | Nathan Cruise | Rechargeable Battery Pack for Power Tools |
| EP2096733B1 (de) * | 2008-02-28 | 2013-12-25 | Metabowerke GmbH | Verfahren zum Abschalten eines akkubetriebenen Elecktrohandwerkzeuggeräts sowie Elektrohandwerkzeuggerät |
| US20100190052A1 (en) * | 2009-01-27 | 2010-07-29 | Umesh Rajani | Battery pack with high and low current discharge terminals |
| CN101908755A (zh) * | 2009-06-02 | 2010-12-08 | 鸿富锦精密工业(深圳)有限公司 | 电池过放电保护装置 |
| KR101093965B1 (ko) * | 2009-11-24 | 2011-12-15 | 삼성에스디아이 주식회사 | 이차전지 제어 방법 |
| US8541979B2 (en) | 2010-06-22 | 2013-09-24 | A123 Systems, Inc. | System and method for balancing voltage of individual battery cells within a battery pack |
| US8427107B2 (en) * | 2010-06-22 | 2013-04-23 | A 123 Systems, Inc. | System and method for extending the usable capacity of a battery pack via controlling battery current through different current paths |
| EP2633617A2 (en) * | 2010-10-27 | 2013-09-04 | Hitachi Koki Co., Ltd. | Power tool system and power supply device |
| JP5742524B2 (ja) * | 2011-07-08 | 2015-07-01 | ソニー株式会社 | 制御装置、蓄電システム、電子機器、電動車両および電力システム |
| CN103208784B (zh) | 2012-01-17 | 2016-02-24 | 东莞赛微微电子有限公司 | 电池保护电路及其方法 |
| WO2014045745A1 (ja) * | 2012-09-18 | 2014-03-27 | Necエナジーデバイス株式会社 | 蓄電システムおよび電池保護方法 |
| US9395327B2 (en) * | 2012-11-30 | 2016-07-19 | GM Global Technology Operations LLC | Systems and methods to protect against over-discharge in a battery system |
| CN104838559A (zh) * | 2012-12-07 | 2015-08-12 | 日立工机株式会社 | 充电设备 |
| DE102012222720A1 (de) * | 2012-12-11 | 2014-06-12 | Robert Bosch Gmbh | Batteriemanagementsystem und Batteriesystem |
| CN104885325B (zh) * | 2012-12-28 | 2019-03-08 | 工机控股株式会社 | 供电设备 |
| JP6329741B2 (ja) * | 2013-09-06 | 2018-05-23 | デクセリアルズ株式会社 | 保護回路 |
| EP2944432B1 (en) | 2014-05-16 | 2017-05-31 | Techtronic Power Tools Technology Limited | Multi-battery pack for power tools |
| CN108400629B (zh) * | 2014-05-18 | 2023-01-24 | 百得有限公司 | 电池组 |
| WO2015180015A1 (zh) * | 2014-05-26 | 2015-12-03 | 华为技术有限公司 | 电源适配器、线缆和充电器 |
| JP6577229B2 (ja) * | 2015-02-13 | 2019-09-18 | 株式会社マキタ | バッテリパック、及びバッテリシステム |
| US10148111B2 (en) * | 2015-09-02 | 2018-12-04 | Tti (Macao Commercial Offshore) Limited | Power tool, battery pack, and combination, and method of controlling the same |
| TWI611649B (zh) * | 2016-07-22 | 2018-01-11 | Chicony Power Technology Co., Ltd. | 充電裝置及充電系統 |
| WO2018110027A1 (ja) * | 2016-12-12 | 2018-06-21 | 株式会社村田製作所 | バッテリーパック、電子機器及びバッテリーパックの制御方法 |
| US10761119B2 (en) | 2017-08-17 | 2020-09-01 | Semiconductor Components Industries, Llc | Voltage threshold sensing systems and related methods |
| CN110350262B (zh) * | 2018-04-02 | 2021-03-05 | 南京德朔实业有限公司 | 电池包及充电组合 |
| DE102018216937A1 (de) * | 2018-10-02 | 2020-04-02 | Robert Bosch Gmbh | Anzeigevorrichtung für einen Akkupack |
| DE102018127502B4 (de) * | 2018-11-05 | 2022-04-07 | Metabowerke Gmbh | Wiederanlaufschutzvorrichtung |
| JP7193403B2 (ja) * | 2019-03-29 | 2022-12-20 | 株式会社マキタ | 電源供給装置、電動作業機システム |
| US11287460B2 (en) * | 2020-01-30 | 2022-03-29 | Semiconductor Components Industries, Llc | Methods and apparatus for managing a battery system |
| US20230010270A1 (en) * | 2020-03-31 | 2023-01-12 | Koki Holdings Co., Ltd. | Battery pack and electrical apparatus using same |
| DE102020209400A1 (de) * | 2020-07-24 | 2022-01-27 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zur Steuerung eines Lade- oder Entladestroms eines Wechselakkupacks und/oder eines Elektrogeräts sowie System zur Durchführung des Verfahrens |
| JP2022047802A (ja) * | 2020-09-14 | 2022-03-25 | キヤノン株式会社 | 電子機器、電池パック、制御方法およびプログラム |
| JP7851180B2 (ja) * | 2022-05-11 | 2026-04-24 | 株式会社マキタ | バッテリパック |
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| JPH04331425A (ja) * | 1991-04-26 | 1992-11-19 | Sony Corp | 過充電防止装置、過放電防止装置、過充電・過放電防止装置、プリント基板並びにバッテリーパック |
| JP3291530B2 (ja) * | 1992-09-17 | 2002-06-10 | ソニー株式会社 | バッテリー保護回路 |
| JP3195555B2 (ja) * | 1997-02-10 | 2001-08-06 | セイコーインスツルメンツ株式会社 | 充放電制御回路 |
| JPH11332116A (ja) * | 1998-05-15 | 1999-11-30 | Seiko Instruments Inc | 充放電制御回路及び充電式電源装置 |
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| JP3962524B2 (ja) * | 2000-02-29 | 2007-08-22 | 富士通株式会社 | 放電制御回路 |
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| JP4819037B2 (ja) * | 2004-05-04 | 2011-11-16 | オーツー マイクロ, インコーポレーテッド | 工具識別回路を備えるコードレス電動工具 |
-
2005
- 2005-11-17 JP JP2005333283A patent/JP4241715B2/ja not_active Expired - Fee Related
-
2006
- 2006-11-14 DE DE602006003513T patent/DE602006003513D1/de active Active
- 2006-11-14 EP EP06023689A patent/EP1788687B1/en not_active Not-in-force
- 2006-11-15 US US11/599,416 patent/US7570017B2/en not_active Expired - Fee Related
- 2006-11-17 CN CNB2006101493622A patent/CN100442630C/zh not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008199827A (ja) * | 2007-02-14 | 2008-08-28 | Matsushita Electric Works Ltd | 電池パック |
| JP2010259234A (ja) * | 2009-04-24 | 2010-11-11 | Panasonic Electric Works Power Tools Co Ltd | 電池パック |
| JP2011201005A (ja) * | 2010-03-26 | 2011-10-13 | Panasonic Electric Works Power Tools Co Ltd | 電動工具 |
| JP2011229319A (ja) * | 2010-04-21 | 2011-11-10 | Makita Corp | 電動工具用バッテリパック |
| US9203249B2 (en) | 2010-04-21 | 2015-12-01 | Makita Corporation | Battery pack for electric power tool, control circuit, and program |
| US11188135B2 (en) | 2015-07-31 | 2021-11-30 | Panasonic Intellectual Property Management Co., Ltd. | Battery controller, electronic device, battery pack, and battery controlling method |
| JPWO2017022169A1 (ja) * | 2015-07-31 | 2018-05-17 | パナソニックIpマネジメント株式会社 | バッテリ制御装置、電子機器、バッテリパック及びバッテリ制御方法 |
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| JP2020182370A (ja) * | 2019-04-23 | 2020-11-05 | 深▲せん▼市華宝新能源股▲ふん▼有限公司Shenzhen Hello Tech Energy Co., Ltd. | 充電装置 |
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| KR102953063B1 (ko) * | 2021-10-20 | 2026-04-14 | 주식회사 엘지에너지솔루션 | 배터리 팩에 대한 정보를 설정하는 방법 및 이를 적용한 배터리 시스템 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1788687A1 (en) | 2007-05-23 |
| US20070108941A1 (en) | 2007-05-17 |
| JP4241715B2 (ja) | 2009-03-18 |
| US7570017B2 (en) | 2009-08-04 |
| CN100442630C (zh) | 2008-12-10 |
| DE602006003513D1 (de) | 2008-12-18 |
| CN1967966A (zh) | 2007-05-23 |
| EP1788687B1 (en) | 2008-11-05 |
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