JP5102308B2 - 直列接続セル電圧計測と計測精度検証のためのシステムと方法 - Google Patents
直列接続セル電圧計測と計測精度検証のためのシステムと方法 Download PDFInfo
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- JP5102308B2 JP5102308B2 JP2009544942A JP2009544942A JP5102308B2 JP 5102308 B2 JP5102308 B2 JP 5102308B2 JP 2009544942 A JP2009544942 A JP 2009544942A JP 2009544942 A JP2009544942 A JP 2009544942A JP 5102308 B2 JP5102308 B2 JP 5102308B2
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- 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
-
- 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
- G01R19/0038—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing pulses or pulse trains according to amplitude)
-
- 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
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
-
- 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
-
- 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
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling 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
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
- G01R31/007—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks using microprocessors or computers
-
- 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]
- G01R31/371—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
-
- 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
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Description
本特許出願は、2007年1月7日に出願された米国特許仮出願第60/883,795号の優先権を主張する。これは、本明細書に参照によって組み込まれる。
Claims (10)
- 直列に接続された複数のセルの中の個別のセルの電圧を計測するためのシステムにおいて、
前記複数のセルのうち少なくとも1つの電荷を蓄えるキャパシタと、
前記複数のセルのうち少なくとも1つを前記キャパシタに選択的に接続するための前記キャパシタに電気的に接続された少なくとも1つのスイッチと、
前記キャパシタによって供給されるアナログ電圧を受け取り、該アナログ電圧を第1デジタル電圧データに変換するための、前記キャパシタと電気的に連絡する入力、を有する第1アナログ・デジタル変換器(ADC)と、
前記複数のセルのうち少なくとも1つによって供給されるアナログ電圧を受け取り、該アナログ電圧を第2デジタル電圧データに変換するための、該セルと電気的に連絡する入力、を有する第2ADCと、
を含み
前記複数のセルは1番目のセルを含み、
前記少なくとも1つのスイッチは、第1の側と第2の側とを有する1番目のセルスイッチを含み、
前記第1の側は前記1番目のセルに電気的に接続されており、
前記第2ADCの前記入力が前記1番目のセルスイッチの前記第1の側に電気的に接続されていることを特徴とするシステム。 - 直列に接続された複数のセルの中の個別のセルの電圧を計測するためのシステムにおいて、
前記複数のセルのうち少なくとも1つの電荷を蓄えるキャパシタと、
前記複数のセルのうち少なくとも1つを前記キャパシタに選択的に接続するための前記キャパシタに電気的に接続された少なくとも1つのスイッチと、
前記キャパシタによって供給されるアナログ電圧を受け取り、該アナログ電圧を第1デジタル電圧データに変換するための、前記キャパシタと電気的に連絡する入力、を有する第1アナログ・デジタル変換器(ADC)と、
前記複数のセルのうち少なくとも1つによって供給されるアナログ電圧を受け取り、該アナログ電圧を第2デジタル電圧データに変換するための、該セルと電気的に連絡する入力、を有する第2ADCと、
を含み
前記第2ADCが複数の第2ADCであり、各第2ADCが前記複数のセルのうち1つに電気的に接続可能であることを特徴とするシステム。 - 前記第1ADCと前記第2ADCとから前記第1デジタル電圧データを受け取るために前記第1ADCと前記第2ADCとに連絡する制御器をさらに備える、請求項1又は2に記載のシステム。
- 前記制御器が、さらに、データ間のばらつきを判定するために、前記第1デジタル電圧データと前記第2デジタル電圧データとの比較を行うことを特徴とする、請求項3に記載のシステム。
- 前記キャパシタに蓄えられた電荷を増幅し、前記アナログ電圧を前記第1ADCに供給するための、前記キャパシタと前記第1ADCとの間に電気的に接続された増幅器をさらに備える、請求項1から4のいずれか1項に記載のシステム。
- 直列に接続された複数のセルの中の個別のセルの電圧を計測し、キャパシタと第1アナログ・デジタル変換器(ADC)と第2ADCとを含むシステムを利用して計測精度を検証するための方法において、
前記複数のセルのうち1つを、該セルを前記キャパシタに選択的に接続するための前記キャパシタに電気的に接続された少なくとも1つのスイッチを介して、前記キャパシタに電気的に接続する工程と、
所定の充電時間で前記キャパシタを充電する工程と、
前記所定の充電時間の経過に応答して、第1ADCを使用して、前記充電されたキャパシタからのアナログ電圧を、前記キャパシタの電圧に対応する第1デジタル電圧信号に変換する工程と、
第2ADCを使用して、前記複数のセルのうち1つからのアナログ電圧を、該セルの電圧と対応する第2デジタル電圧信号に変換する工程と、
を含み、
前記少なくとも1つのスイッチは、第1の側と第2の側とを有する1番目のセルスイッチを含み、
前記第1の側は前記複数のセルのうち1つに電気的に接続されており、
前記第2ADCの入力が前記1番目のセルスイッチの前記第1の側に電気的に接続されていることを特徴とする方法。 - 直列に接続された複数のセルの中の個別のセルの電圧を計測し、キャパシタと第1アナログ・デジタル変換器(ADC)と第2ADCとを含むシステムを利用して計測精度を検証するための方法において、
前記複数のセルのうち1つを前記キャパシタに電気的に接続する工程と、
所定の充電時間で前記キャパシタを充電する工程と、
前記所定の充電時間の経過に応答して、第1ADCを使用して、前記充電されたキャパシタからのアナログ電圧を、前記キャパシタの電圧に対応する第1デジタル電圧信号に変換する工程と、
第2ADCを使用して、前記複数のセルのうち1つからのアナログ電圧を、該セルの電圧と対応する第2デジタル電圧信号に変換する工程と、
を含み、
前記第2ADCが複数の第2ADCであり、各第2ADCが前記複数のセルのうち1つに電気的に接続可能であることを特徴とする方法。 - 前記第1デジタル電圧信号を受け取る工程と、前記第2デジタル電圧信号を受け取る工程とをさらに含む、請求項6又は7に記載の方法。
- 前記デジタル電圧信号間のばらつきを判定するために、前記第1デジタル電圧信号を前記第2デジタル電圧信号と比較する工程をさらに含む、請求項8に記載の方法。
- 前記デジタル電圧信号間のばらつきが許容可能なばらつきよりも大きい場合、機能不全を伝える工程をさらに含む、請求項9に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US88379507P | 2007-01-07 | 2007-01-07 | |
US60/883,795 | 2007-01-07 | ||
PCT/US2008/000184 WO2008085934A2 (en) | 2007-01-07 | 2008-01-07 | System and method to measure series-connected cell voltages and verify measurement accuracy |
Publications (2)
Publication Number | Publication Date |
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JP2010518357A JP2010518357A (ja) | 2010-05-27 |
JP5102308B2 true JP5102308B2 (ja) | 2012-12-19 |
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JP2009544942A Expired - Fee Related JP5102308B2 (ja) | 2007-01-07 | 2008-01-07 | 直列接続セル電圧計測と計測精度検証のためのシステムと方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8164341B2 (ja) |
EP (1) | EP2104858A4 (ja) |
JP (1) | JP5102308B2 (ja) |
KR (1) | KR20090101482A (ja) |
CA (1) | CA2675015A1 (ja) |
WO (1) | WO2008085934A2 (ja) |
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WO2010062141A2 (ko) * | 2008-11-27 | 2010-06-03 | 주식회사 엘지화학 | 배터리 셀 전압 측정 장치 및 방법 |
US9024583B2 (en) * | 2010-02-11 | 2015-05-05 | Samsung Sdi Co., Ltd. | Battery pack with analog switch |
US8587318B2 (en) * | 2010-07-27 | 2013-11-19 | GM Global Technology Operations LLC | Sensor arrangement for an energy storage device and a method of using the same |
DE102010040721A1 (de) | 2010-09-14 | 2012-03-15 | Sb Limotive Company Ltd. | Batteriesystem mit Zellspannungserfassungseinheiten |
CN102859837A (zh) * | 2010-12-06 | 2013-01-02 | 科达汽车公司 | 电化学电池单元平衡电路和方法 |
US9261568B2 (en) * | 2011-02-07 | 2016-02-16 | Analog Devices, Inc. | Diagnostic method to monitor battery cells of safety-critical systems |
JP2012202738A (ja) * | 2011-03-24 | 2012-10-22 | Toyota Motor Corp | 電圧測定装置、電圧測定システム、電圧測定方法 |
KR101487577B1 (ko) * | 2012-02-02 | 2015-01-29 | 주식회사 엘지화학 | 배터리 팩의 고장 진단 방법 및 장치, 이를 이용한 전력 릴레이 어셈블리 |
US9157939B2 (en) * | 2012-08-09 | 2015-10-13 | Infineon Technologies Ag | System and device for determining electric voltages |
US9213068B2 (en) * | 2013-03-14 | 2015-12-15 | GM Global Technology Operations LLC | Method and system for determining a battery element voltage |
JP5928509B2 (ja) * | 2014-03-12 | 2016-06-01 | トヨタ自動車株式会社 | 電池監視装置 |
FR3023006B1 (fr) * | 2014-06-26 | 2016-06-24 | Renault Sa | Systeme de batteries d'accumulateurs a mesure de tension fiabilisee |
CN107294167B (zh) * | 2017-07-11 | 2020-08-25 | 成都芯源系统有限公司 | 电压均衡方法及电池均衡控制电路和电池均衡电路 |
US10921378B2 (en) * | 2019-02-25 | 2021-02-16 | Ford Global Technologies, Llc | System for measuring voltage differences between battery cells and for obtaining battery cell voltages using the voltage differences |
JP7293714B2 (ja) * | 2019-02-25 | 2023-06-20 | 株式会社デンソー | 電圧検出装置 |
US11664513B2 (en) * | 2019-11-08 | 2023-05-30 | Hyundai Mobis Co., Ltd. | System and method for sensing fuel cell of vehicle |
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JPH03226014A (ja) * | 1990-01-30 | 1991-10-07 | Oki Shisutetsuku:Kk | マイクロコンピュータのa/d変換部の自己診断方式 |
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JP2001086656A (ja) * | 1999-07-09 | 2001-03-30 | Fujitsu Ltd | バッテリ監視装置 |
JP2001289886A (ja) * | 2000-04-03 | 2001-10-19 | Sanyo Electric Co Ltd | 電池電圧測定装置 |
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JP3791767B2 (ja) * | 2001-03-27 | 2006-06-28 | 株式会社デンソー | フライングキャパシタ式電圧検出回路 |
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US7230555B2 (en) * | 2005-02-23 | 2007-06-12 | Analogic Corporation | Sigma delta converter with flying capacitor input |
-
2008
- 2008-01-07 CA CA002675015A patent/CA2675015A1/en not_active Abandoned
- 2008-01-07 WO PCT/US2008/000184 patent/WO2008085934A2/en active Application Filing
- 2008-01-07 KR KR1020097016466A patent/KR20090101482A/ko not_active Application Discontinuation
- 2008-01-07 US US11/970,102 patent/US8164341B2/en not_active Expired - Fee Related
- 2008-01-07 EP EP08713024.1A patent/EP2104858A4/en not_active Withdrawn
- 2008-01-07 JP JP2009544942A patent/JP5102308B2/ja not_active Expired - Fee Related
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Publication number | Publication date |
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US20080164882A1 (en) | 2008-07-10 |
WO2008085934A2 (en) | 2008-07-17 |
EP2104858A2 (en) | 2009-09-30 |
EP2104858A4 (en) | 2014-01-08 |
CA2675015A1 (en) | 2008-07-17 |
US8164341B2 (en) | 2012-04-24 |
JP2010518357A (ja) | 2010-05-27 |
KR20090101482A (ko) | 2009-09-28 |
WO2008085934A3 (en) | 2008-09-04 |
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