JP2012503195A - バッテリーパックのセル電圧測定装置及び方法 - Google Patents
バッテリーパックのセル電圧測定装置及び方法 Download PDFInfo
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- B60L58/19—Switching between serial connection and parallel connection of battery modules
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- B60L58/22—Balancing the charge of battery modules
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- 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
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- G01R19/225—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC by means of thermocouples or other heat sensitive elements
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- G—PHYSICS
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- 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]
- G01R31/364—Battery terminal connectors with integrated measuring arrangements
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- G—PHYSICS
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- 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]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
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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
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
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- 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
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- H—ELECTRICITY
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- 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]
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Abstract
Description
Claims (22)
- バッテリーパックのセルグループとグループごとに対応し、対応するセルグループから基準電位の印加を受けて前記基準電位を基準にしてセルグループに属した各セルの電圧信号を出力する多数のマルチプレクサと;
各セルグループに含まれた多数のセルにそれぞれ対応して各セルの電圧をサンプリングした後ホールドする多数の浮動キャパシタと;
各セルの電圧を該当のセルに対応する浮動キャパシタにサンプリング及びホールドさせるスイッチング手段と;及び
各セルグループごとに前記スイッチング手段を制御して各セルの電圧を対応する浮動キャパシタにサンプリング及びホールドした後、各マルチプレクサを制御してマルチプレクサと連結されたセルグループに対応する各浮動キャパシタにホールドされたセル電圧をセンシングする制御部と;を備えてなることを特徴とする、バッテリーパックのセル電圧測定装置。 - 前記それぞれのマルチプレクサが、対応するセルグループから基準電位の印加を受ける基準電位入力端子を備えることを特徴とする、請求項1に記載のバッテリーパックのセル電圧測定装置。
- 前記マルチプレクサが、前記基準電位を基準にして各浮動キャパシタの両端子の電圧差を対応する各セルの電圧信号として出力することを特徴とする、請求項1に記載のバッテリーパックのセル電圧測定装置。
- 前記マルチプレクサが、前記浮動キャパシタにホールドされたセル電圧を出力するバッファーを含むことを特徴とする、請求項1に記載のバッテリーパックのセル電圧測定装置。
- 前記バッファーが、OP‐Ampで構成されることを特徴とする、請求項4に記載のバッテリーパックのセル電圧測定装置。
- 前記各マルチプレクサを通じて出力されるセル電圧信号をデジタル電圧信号に変換するA/Dコンバータをさらに備えてなり、
前記A/Dコンバータが、各マルチプレクサから出力されるセル電圧信号の入力を受けてデジタル電圧信号に変換して制御部に出力することを特徴とする、請求項1に記載のバッテリーパックのセル電圧測定装置。 - 前記スイッチング手段が、
各浮動キャパシタの低電位端子とセルのアノード端子とを連結または解除させる第1スイッチと;及び
各浮動キャパシタの高電位端子とセルのカソード端子、そして第1スイッチの一端とセル電圧センシングラインを連結または解除させる第2スイッチと;を備えてなることを特徴とする、請求項1に記載のバッテリーパックのセル電圧測定装置。 - 前記制御部が、各セルグループごとに第1スイッチをターンオンさせた状態で第2スイッチを同時にまたは順序に従ってターンオンさせて各浮動キャパシタにセルの電圧をサンプリングすることを特徴とする、請求項1に記載のバッテリーパックのセル電圧測定装置。
- 前記制御部が、各セルグループごとに該当のセルグループに属した浮動キャパシタにセルの電圧をサンプリングさせた状態で第1スイッチと第2スイッチとをすべてターンオフさせて各浮動キャパシタにセルの電圧をホールドすることを特徴とする、請求項1に記載のバッテリーパックのセル電圧測定装置。
- 前記制御部が、各セルグループに対するセル電圧のサンプリング及びホールド過程を同時にまたは順序に従って行うことを特徴とする、請求項8または請求項9に記載のバッテリーパックのセル電圧測定装置。
- 前記基準電位が、対応するセルグループの最低電位であることを特徴とする請求項1に記載のバッテリーパックのセル電圧測定装置。
- 請求項1〜11の何れか一項に記載のバッテリーパックのセル電圧測定装置を含むバッテリー管理システム。
- 請求項1〜11の何れか一項に記載のバッテリーパックのセル電圧測定装置を含むバッテリーパック駆動装置。
- 請求項1〜11の何れか一項に記載のバッテリーパックのセル電圧測定装置を含むバッテリーパック。
- (a)バッテリーパックに含まれた各セルグループに対して各セルの電圧を各セルごとに対応する浮動キャパシタにサンプリングした後ホールドするステップと;
(b)前記セルグループとグループごとに対応するように連結された多数のマルチプレクサを順序に従って選択するステップと;及び
(c)前記選択されたマルチプレクサと連結されたセルグループの浮動キャパシタにホールドされたセル電圧を対応するセルグループから印加された基準電位を基準にしてセンシングするステップと;を含んでなることを特徴とする、バッテリーパックのセル電圧測定方法。 - 前記(a)ステップが、
各セルグループごとに各浮動キャパシタの低電位端子及び高電位端子と対応するセルのアノード端子及びカソード端子間を連結させて各セル電圧を対応する浮動キャパシタにサンプリングするステップと;及び
各セルグループごとに各浮動キャパシタの低電位端子及び高電位端子と対応するセルのアノード端子及びカソード端子間の連結を解除させて各セル電圧を対応する浮動キャパシタにホールドするステップと;を含んでなることを特徴とする、請求項15に記載のバッテリーパックのセル電圧測定方法。 - セル電圧のサンプリングステップが、セルグループに属した多数のセルに対して同時にまたは順序に従って行うことを特徴とする、請求項16に記載のバッテリーパックのセル電圧測定方法。
- セル電圧のホールドステップが、セルグループに属した多数のセルに対して同時にまたは順序に従って行うことを特徴とする、請求項16に記載のバッテリーパックのセル電圧測定方法。
- 前記(c)ステップが、
全体マルチプレクサを同時に制御して各マルチプレクサを通じて同一の順番のセル電圧を同時にセンシングするステップであることを特徴とする、請求項15に記載のバッテリーパックのセル電圧測定方法。 - 前記(c)ステップが、
順序に従ってマルチプレクサを選択し、選択されたマルチプレクサと連結された多数のセル電圧をセンシングするステップであることを特徴とする、請求項15に記載のバッテリーパックのセル電圧測定方法。 - 前記(c)ステップが、
前記選択されたマルチプレクサがバッファーを利用して対応するセルグループから印加された基準電位を基準にして各セルに対応する浮動キャパシタの両端子の電圧差をセル電圧信号として出力するステップと;
前記出力されたセル電圧信号を受信してデジタル電圧信号に変換するステップと;及び
前記変換されたデジタル電圧信号の入力を受けてメモリに貯蔵するステップをさらに含むことを特徴とする、請求項15に記載のバッテリーパックのセル電圧測定方法。 - 前記基準電位が、対応するセルグループの最低電位であることを特徴とする、請求項15に記載のバッテリーパックのセル電圧測定方法。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20080091564 | 2008-09-18 | ||
| KR10-2008-0091564 | 2008-09-18 | ||
| KR1020090088767A KR101040494B1 (ko) | 2008-09-18 | 2009-09-18 | 배터리 팩의 셀 전압 측정 장치 및 방법 |
| PCT/KR2009/005344 WO2010032995A2 (ko) | 2008-09-18 | 2009-09-18 | 배터리 팩의 셀 전압 측정 장치 및 방법 |
| KR10-2009-0088767 | 2009-09-18 |
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| Publication Number | Publication Date |
|---|---|
| JP2012503195A true JP2012503195A (ja) | 2012-02-02 |
| JP5350479B2 JP5350479B2 (ja) | 2013-11-27 |
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| JP2011527749A Active JP5350479B2 (ja) | 2008-09-18 | 2009-09-18 | バッテリーパックのセル電圧測定装置及び方法 |
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| US (1) | US8860421B2 (ja) |
| EP (1) | EP2341357B1 (ja) |
| JP (1) | JP5350479B2 (ja) |
| KR (1) | KR101040494B1 (ja) |
| CN (1) | CN102216795B (ja) |
| PL (1) | PL2341357T3 (ja) |
| WO (1) | WO2010032995A2 (ja) |
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| KR101152635B1 (ko) * | 2010-04-08 | 2012-06-04 | 주식회사 엘지화학 | 전지모듈용 전압 검출 어셈블리 및 이를 포함하는 전지모듈 |
| EP2458705B1 (fr) | 2010-11-25 | 2019-01-02 | Belenos Clean Power Holding AG | Systeme de mesure des cellules d'une pile a combustible |
| WO2013001684A1 (ja) * | 2011-06-29 | 2013-01-03 | パナソニック株式会社 | 電圧計測器 |
| JP5728582B2 (ja) * | 2011-09-16 | 2015-06-03 | 株式会社日立製作所 | 電力配分装置 |
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| CN103293355B (zh) * | 2012-02-24 | 2016-06-08 | 东莞钜威新能源有限公司 | 一种电压测量电路 |
| US9065296B2 (en) * | 2012-04-03 | 2015-06-23 | Samsung Sdi Co., Ltd. | Battery pack, method of measuring voltage of the battery pack, and energy storage system including the battery pack |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20110210747A1 (en) | 2011-09-01 |
| WO2010032995A2 (ko) | 2010-03-25 |
| WO2010032995A3 (ko) | 2010-06-17 |
| EP2341357A4 (en) | 2017-08-16 |
| EP2341357A2 (en) | 2011-07-06 |
| JP5350479B2 (ja) | 2013-11-27 |
| KR20100032844A (ko) | 2010-03-26 |
| KR101040494B1 (ko) | 2011-06-09 |
| CN102216795B (zh) | 2015-07-15 |
| PL2341357T3 (pl) | 2020-07-13 |
| EP2341357B1 (en) | 2020-03-11 |
| US8860421B2 (en) | 2014-10-14 |
| CN102216795A (zh) | 2011-10-12 |
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