JP4750225B2 - バッテリ電圧監視システム - Google Patents
バッテリ電圧監視システム Download PDFInfo
- Publication number
- JP4750225B2 JP4750225B2 JP2010501627A JP2010501627A JP4750225B2 JP 4750225 B2 JP4750225 B2 JP 4750225B2 JP 2010501627 A JP2010501627 A JP 2010501627A JP 2010501627 A JP2010501627 A JP 2010501627A JP 4750225 B2 JP4750225 B2 JP 4750225B2
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- JP
- Japan
- Prior art keywords
- battery
- voltage
- transistor
- monitoring system
- battery voltage
- 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.)
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- 238000005259 measurement Methods 0.000 description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910005813 NiMH Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/04—Voltage dividers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
-
- 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
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (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)
- Measurement Of Current Or Voltage (AREA)
- Secondary Cells (AREA)
Description
バッテリ式の電気器具(携帯型電気掃除機、動力工具等)は、パワープラグ電圧UPlugの存在が入力I2でコントローラにより検出された場合に充電されるだろう。バッテリが低充電状態である場合には、コントローラは、出力O5を"低"から"高"の状態に切り替える。これは、トランジスタQ5及びPMOSFET(M5)をオンにする。抵抗R15は、充電電流を制限する。充電の間、個々のバッテリのそれぞれの電圧は増大するだろう。個々のバッテリ(U1〜U5)のそれぞれの電圧は監視されなければならない。バッテリ電圧が4.2Vの境界を超える場合には、バッテリの寿命が低減されるだろう。充電/放電サイクルの数を増加させるために、最大の電圧閾値は、より低い値、例えば3.8Vに制限されるだろう。
バッテリ式の電気器具(携帯型電気掃除機、動力工具等)は、オン/オフスイッチを押すことによりオンにされる。コントローラは、出力O6を"低"から"高"の状態に切り替える。これは、NMOSFET(M6)をオンにし、DCモータが稼動を開始する。DCモータの動作の間、バッテリが放電されるだろう。バッテリのうちの1つの個々のバッテリ電圧が2.7Vの最小閾値を通過する場合には、DCモータはオフにされなければならない。これは、リチウムイオンバッテリが永久的な損傷を受けるのを阻止する。コントローラは、出力O6を"高"から"低"の状態に切り替えて、NMOSFET(M6)をオフにする。放電の間において個々のバッテリ電圧を監視する原理は、バッテリの充電の間のものとまさに同一である。
Claims (7)
- 一端で基準電圧ラインに接続された直列の2よりも多いバッテリのバッテリ装置のバッテリ電圧を監視するバッテリ電圧監視システムであって、
前記バッテリ装置の少なくとも一部と並列に設けられ、一端で前記基準電圧に、他端で前記バッテリ装置内のノードに接続された第1及び第2の抵抗要素を有する分圧器を有し、
前記第1及び第2の抵抗要素の間にトランジスタが設けられ、
前記トランジスタのベースは、ダイオードを介して、前記バッテリ装置内の他のノードに接続され、
スイッチング要素が、前記トランジスタをアドレスするために設けられる、バッテリ電圧監視システム。 - 前記ダイオードは、前記分圧器内の前記トランジスタに適合するトランジスタで構成される、請求項1に記載のバッテリ電圧監視システム。
- 2又はそれ以上の分圧器は、共通の抵抗を有する、請求項1又は請求項2に記載のバッテリ電圧監視システム。
- 前記分圧器内の前記トランジスタは、NPNトランジスタである、請求項1〜3のうちいずれか一項に記載のバッテリ電圧監視システム。
- 前記分圧器内の前記トランジスタは、PNPトランジスタである、請求項1〜4のうちいずれか一項に記載のバッテリ電圧監視システム。
- リングカウンタを有する、請求項1〜5のうちいずれか一項に記載のバッテリ電圧監視システム。
- 請求項1〜6のうちいずれか一項に記載のバッテリ電圧監視システムを有する、バッテリ駆動可能なデバイス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07105532.1 | 2007-04-03 | ||
EP07105532 | 2007-04-03 | ||
PCT/IB2008/051188 WO2008120163A2 (en) | 2007-04-03 | 2008-03-31 | Battery voltage monitoring system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010523966A JP2010523966A (ja) | 2010-07-15 |
JP4750225B2 true JP4750225B2 (ja) | 2011-08-17 |
Family
ID=39790205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010501627A Active JP4750225B2 (ja) | 2007-04-03 | 2008-03-31 | バッテリ電圧監視システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US8253419B2 (ja) |
EP (1) | EP2135105B1 (ja) |
JP (1) | JP4750225B2 (ja) |
CN (1) | CN101652670B (ja) |
AT (1) | ATE514956T1 (ja) |
WO (1) | WO2008120163A2 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101825687B (zh) * | 2009-03-06 | 2012-06-13 | 鸿富锦精密工业(深圳)有限公司 | 电量侦测装置 |
DE102011003514A1 (de) * | 2011-02-02 | 2012-08-02 | Robert Bosch Gmbh | Verfahren und Überwachungsgerät zur Überwachung zumindest einer Funktion eines chemosensitiven Feldeffekttransistors |
JP5658354B2 (ja) * | 2011-03-31 | 2015-01-21 | ルネサスエレクトロニクス株式会社 | 電圧監視モジュール及びこれを用いた電圧監視システム |
EP2699914A1 (en) | 2011-04-19 | 2014-02-26 | 4Esys | Measurement system and method for a series connection of energy storage devices |
JP5801605B2 (ja) | 2011-05-16 | 2015-10-28 | ラピスセミコンダクタ株式会社 | 比較回路、半導体装置、電池監視システム、充電禁止方法、及び充電禁止プログラム |
WO2014197641A1 (en) * | 2013-06-04 | 2014-12-11 | Trw Automotive U.S. Llc | Optimized power supply architecture |
JP2015136209A (ja) * | 2014-01-16 | 2015-07-27 | 株式会社リコー | 蓄電電圧比較検出回路、蓄電電圧調整回路、及び電池パック |
JP6058095B2 (ja) * | 2015-08-27 | 2017-01-11 | ラピスセミコンダクタ株式会社 | 比較回路及び半導体装置 |
DE102016214415A1 (de) * | 2015-11-10 | 2017-05-11 | Robert Bosch Gmbh | Schaltung zur Erfassung einer Spannung einer Mehrzahl von in Reihe geschalteten elektrischen Energiespeichereinheiten und Verfahren zum Betrieb dieser Schaltung |
KR101887905B1 (ko) * | 2016-12-09 | 2018-08-13 | 현대오트론 주식회사 | 고전압 배터리 전압 모니터링 및 이상전압 진단 장치 및 방법 |
CN106786944B (zh) * | 2016-12-31 | 2020-12-18 | 华为技术有限公司 | 一种串联电池组单体电池的采样电路、均衡电路及系统 |
US10261115B2 (en) | 2017-07-24 | 2019-04-16 | Lg Chem, Ltd. | Voltage monitoring system utilizing a common channel and exchanged encoded channel numbers to confirm valid voltage values |
US10338145B2 (en) | 2017-07-24 | 2019-07-02 | Lg Chem, Ltd. | Voltage monitoring system |
US10309993B2 (en) | 2017-07-24 | 2019-06-04 | Lg Chem, Ltd. | Voltage monitoring system utilizing first and second banks of channels and exchanged encoded channel numbers for taking redundant safe action |
EP3683915A1 (en) * | 2019-01-21 | 2020-07-22 | NXP USA, Inc. | Battery monitoring |
JP7298309B2 (ja) * | 2019-05-31 | 2023-06-27 | 株式会社Gsユアサ | 電圧計測回路、蓄電装置 |
JP7310747B2 (ja) * | 2020-07-28 | 2023-07-19 | 株式会社デンソー | 電圧検出装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000184609A (ja) * | 1998-12-17 | 2000-06-30 | Japan Storage Battery Co Ltd | 群電池の容量平準化回路 |
US6166549A (en) * | 1998-12-31 | 2000-12-26 | Daimlerchrysler Corporation | Electronic circuit for measuring series connected electrochemical cell voltages |
Family Cites Families (8)
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US3487295A (en) * | 1968-01-08 | 1969-12-30 | Westinghouse Electric Corp | Static battery monitor and voltage reference level switch therefor |
JPS63247668A (ja) * | 1987-04-02 | 1988-10-14 | Sharp Corp | 電圧レベル判別装置 |
JP3222999B2 (ja) * | 1993-08-20 | 2001-10-29 | 三洋電機株式会社 | 二次電池の過放電防止回路 |
US5907238A (en) * | 1996-12-16 | 1999-05-25 | Trw Inc. | Power source monitoring arrangement and method having low power consumption |
JP2000195566A (ja) | 1998-12-28 | 2000-07-14 | Yamaha Motor Co Ltd | 電池パックの電圧計測装置 |
GB2430814B (en) * | 2004-05-24 | 2008-07-23 | Milwaukee Electric Tool Corp | Method and system for battery charging |
JP2006053120A (ja) * | 2004-07-12 | 2006-02-23 | Denso Corp | 組電池電圧検出装置 |
JP5355224B2 (ja) * | 2009-05-28 | 2013-11-27 | 矢崎総業株式会社 | 複数組電池の電圧監視装置 |
-
2008
- 2008-03-31 JP JP2010501627A patent/JP4750225B2/ja active Active
- 2008-03-31 EP EP08737667A patent/EP2135105B1/en active Active
- 2008-03-31 CN CN2008800110470A patent/CN101652670B/zh active Active
- 2008-03-31 WO PCT/IB2008/051188 patent/WO2008120163A2/en active Application Filing
- 2008-03-31 AT AT08737667T patent/ATE514956T1/de not_active IP Right Cessation
- 2008-03-31 US US12/593,406 patent/US8253419B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000184609A (ja) * | 1998-12-17 | 2000-06-30 | Japan Storage Battery Co Ltd | 群電池の容量平準化回路 |
US6166549A (en) * | 1998-12-31 | 2000-12-26 | Daimlerchrysler Corporation | Electronic circuit for measuring series connected electrochemical cell voltages |
Also Published As
Publication number | Publication date |
---|---|
EP2135105B1 (en) | 2011-06-29 |
EP2135105A2 (en) | 2009-12-23 |
US20100045299A1 (en) | 2010-02-25 |
ATE514956T1 (de) | 2011-07-15 |
WO2008120163A3 (en) | 2008-12-04 |
WO2008120163A2 (en) | 2008-10-09 |
CN101652670B (zh) | 2013-01-16 |
JP2010523966A (ja) | 2010-07-15 |
US8253419B2 (en) | 2012-08-28 |
CN101652670A (zh) | 2010-02-17 |
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