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GB2434264B - Method and system for battery protection - Google Patents

Method and system for battery protection

Info

Publication number
GB2434264B
GB2434264B GB0707731A GB0707731A GB2434264B GB 2434264 B GB2434264 B GB 2434264B GB 0707731 A GB0707731 A GB 0707731A GB 0707731 A GB0707731 A GB 0707731A GB 2434264 B GB2434264 B GB 2434264B
Authority
GB
United Kingdom
Prior art keywords
battery protection
battery
protection
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 - Lifetime
Application number
GB0707731A
Other versions
GB0707731D0 (en
GB2434264A (en
Inventor
Todd W Johnson
Dennis J Grzybowski
Mark Alan Kubale
Jay J Rosenbecker
Karl F Scheucher
Gary D Meyer
David A Hempe
Jeffrey M Zeiler
Kevin Glasgow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Milwaukee Electric Tool Corp
Original Assignee
Milwaukee Electric Tool Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US10/720,027 external-priority patent/US7157882B2/en
Application filed by Milwaukee Electric Tool Corp filed Critical Milwaukee Electric Tool Corp
Priority claimed from GB0327220A external-priority patent/GB2399701B/en
Publication of GB0707731D0 publication Critical patent/GB0707731D0/en
Publication of GB2434264A publication Critical patent/GB2434264A/en
Application granted granted Critical
Publication of GB2434264B publication Critical patent/GB2434264B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • 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
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014—Circuits for equalisation of charge between batteries
    • H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
    • H02J7/0021—
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • 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
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00302—Overcharge protection
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00306—Overdischarge protection
    • 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)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)
GB0707731A 2002-11-22 2003-11-24 Method and system for battery protection Expired - Lifetime GB2434264B (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US42845002P 2002-11-22 2002-11-22
US42835802P 2002-11-22 2002-11-22
US42845202P 2002-11-22 2002-11-22
US44069303P 2003-01-17 2003-01-17
US40069203P 2003-01-17 2003-01-17
US52371603P 2003-11-19 2003-11-19
US10/720,027 US7157882B2 (en) 2002-11-22 2003-11-20 Method and system for battery protection employing a selectively-actuated switch
GB0327220A GB2399701B (en) 2002-11-22 2003-11-24 Method and system for battery protection

Publications (3)

Publication Number Publication Date
GB0707731D0 GB0707731D0 (en) 2007-05-30
GB2434264A GB2434264A (en) 2007-07-18
GB2434264B true GB2434264B (en) 2007-09-12

Family

ID=41559580

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0707853A Expired - Lifetime GB2434492B (en) 2002-11-22 2003-11-24 Method and system for battery protection
GB0707731A Expired - Lifetime GB2434264B (en) 2002-11-22 2003-11-24 Method and system for battery protection

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0707853A Expired - Lifetime GB2434492B (en) 2002-11-22 2003-11-24 Method and system for battery protection

Country Status (1)

Country Link
GB (2) GB2434492B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8035343B2 (en) * 2007-10-15 2011-10-11 Black & Decker Inc. Method for balancing cells in a battery pack
EP4016782A1 (en) * 2020-12-15 2022-06-22 Andreas Stihl AG & Co. KG Multi-slot charger and multi-slot battery charger set

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2336955A (en) * 1995-05-30 1999-11-03 Motorola Inc Power supply control in battery powered portable electronic devices; portable radio communication devices
GB2354891A (en) * 1999-07-22 2001-04-04 Nec Corp Power supply method and device for mobile telephone

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6031302A (en) * 1997-09-30 2000-02-29 Conexant Systems, Inc. Battery management system with current measurement across on-resistance of semiconductor cutout switch
US6046575A (en) * 1998-03-31 2000-04-04 Motorola, Inc. Fail safe circuit and battery pack using same
US7039150B1 (en) * 1999-10-13 2006-05-02 Xicor, Inc. Serial interface for a battery management system
US6324339B1 (en) * 1999-11-29 2001-11-27 Eveready Battery Company, Inc. Battery pack including input and output waveform modification capability

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2336955A (en) * 1995-05-30 1999-11-03 Motorola Inc Power supply control in battery powered portable electronic devices; portable radio communication devices
GB2354891A (en) * 1999-07-22 2001-04-04 Nec Corp Power supply method and device for mobile telephone

Also Published As

Publication number Publication date
GB0707731D0 (en) 2007-05-30
GB2434492B (en) 2007-09-12
GB2434264A (en) 2007-07-18
GB2434492A (en) 2007-07-25
GB0707853D0 (en) 2007-05-30

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20231123