PL2801837T3 - Urządzenie i sposób mierzenia oporności izolacji akumulatora - Google Patents
Urządzenie i sposób mierzenia oporności izolacji akumulatoraInfo
- Publication number
- PL2801837T3 PL2801837T3 PL13769566T PL13769566T PL2801837T3 PL 2801837 T3 PL2801837 T3 PL 2801837T3 PL 13769566 T PL13769566 T PL 13769566T PL 13769566 T PL13769566 T PL 13769566T PL 2801837 T3 PL2801837 T3 PL 2801837T3
- Authority
- PL
- Poland
- Prior art keywords
- battery
- insulation resistance
- measuring insulation
- measuring
- resistance
- Prior art date
Links
- 238000009413 insulation Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
-
- 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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
-
- 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]
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
- G01R27/18—Measuring resistance to earth, i.e. line to ground
-
- 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
-
- 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)
- Measurement Of Resistance Or Impedance (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Secondary Cells (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20120030527 | 2012-03-26 | ||
| PCT/KR2013/002499 WO2013147494A1 (ko) | 2012-03-26 | 2013-03-26 | 배터리의 절연 저항 측정 장치 및 방법 |
| EP13769566.4A EP2801837B1 (en) | 2012-03-26 | 2013-03-26 | Device and method for measuring insulation resistance of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2801837T3 true PL2801837T3 (pl) | 2019-05-31 |
Family
ID=49631501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL13769566T PL2801837T3 (pl) | 2012-03-26 | 2013-03-26 | Urządzenie i sposób mierzenia oporności izolacji akumulatora |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9541608B2 (pl) |
| EP (1) | EP2801837B1 (pl) |
| JP (1) | JP5861954B2 (pl) |
| KR (1) | KR101470553B1 (pl) |
| CN (1) | CN104220886B (pl) |
| PL (1) | PL2801837T3 (pl) |
| WO (1) | WO2013147494A1 (pl) |
Families Citing this family (60)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6071080B2 (ja) * | 2012-03-27 | 2017-02-01 | エルジー・ケム・リミテッド | 自己故障診断機能を備えた絶縁抵抗測定装置及びそれを利用した自己故障診断方法 |
| US9308826B2 (en) * | 2013-12-19 | 2016-04-12 | Continental Automotive Systems, Inc. | Method and apparatus to detect leakage current between power sources |
| KR101984326B1 (ko) * | 2014-01-07 | 2019-09-03 | 에스케이이노베이션 주식회사 | 배터리의 절연 저항 측정 장치 및 방법 |
| DE102014204870A1 (de) * | 2014-03-17 | 2015-09-17 | Continental Automotive Gmbh | Vorrichtung und Verfahren zur Überwachung einer elektrischen Isolation bei einem Bordnetz eines Fahrzeugs |
| DE102014205877B4 (de) | 2014-03-28 | 2019-08-22 | Continental Automotive Gmbh | Vorrichtung und Verfahren zur Überwachung einer elektrischen Isolation bei einem Bordnetz |
| DE102014211797A1 (de) * | 2014-06-19 | 2015-12-24 | Lufthansa Technik Ag | System und Verfahren zur Überwachung einer Nickel-Cadmium-Batterie in einem Passagierflugzeug |
| DE102014220017A1 (de) | 2014-10-02 | 2016-04-07 | Robert Bosch Gmbh | Batteriesystem mit einer zum Versorgen eines Hochvoltnetzes mit elektrischer Energie ausgebildeten Batterie und einer Messeinrichtung zum Messen mindestens eines Isolationswiderstandes der Batterie |
| KR101771226B1 (ko) * | 2014-10-02 | 2017-09-05 | 주식회사 엘지화학 | 신속하게 절연 저항을 측정할 수 있는 절연 저항 측정 장치 및 방법 |
| KR101746141B1 (ko) * | 2015-03-10 | 2017-06-13 | 주식회사 엘지화학 | 절연저항측정 장치 및 방법 |
| KR101682929B1 (ko) * | 2015-03-31 | 2016-12-06 | (주) 다쓰테크 | 태양광 모듈의 절연저항 측정 방법 |
| DE102015208411A1 (de) * | 2015-05-06 | 2016-11-10 | Robert Bosch Gmbh | Elektronikmodul sowie Verfahren und Vorrichtung zum Prüfen eines Elektronikmoduls |
| KR101984888B1 (ko) * | 2015-06-12 | 2019-09-03 | 주식회사 엘지화학 | 배터리모듈 전압 추정 장치 및 방법 |
| KR101936220B1 (ko) * | 2015-11-16 | 2019-01-08 | 주식회사 엘지화학 | 절연 저항 측정 시스템 및 장치 |
| KR101751310B1 (ko) | 2015-12-23 | 2017-06-28 | 만도헬라일렉트로닉스(주) | 회로 오동작 검출 시스템 및 그 제어 방법 |
| JP6753715B2 (ja) * | 2016-07-20 | 2020-09-09 | 株式会社東芝 | 漏電検出装置および漏電検出方法 |
| CN107765183B (zh) * | 2016-08-19 | 2021-03-12 | 上海源悦汽车电子股份有限公司 | 一种电池监管系统及其工作方法 |
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| WO2020004819A1 (ko) * | 2018-06-29 | 2020-01-02 | 엘에스엠트론 주식회사 | 울트라 캐패시터 모듈 |
| TWI661204B (zh) * | 2018-07-16 | 2019-06-01 | 昆山富士錦電子有限公司 | 絕緣電阻量測裝置 |
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| KR102230615B1 (ko) * | 2020-11-05 | 2021-03-23 | 주식회사 케이디파워 | 배터리 랙별 절연감시가 가능한 에너지 저장 시스템 |
| EP4019990B1 (en) * | 2020-12-28 | 2024-11-06 | Fico Triad, S.A. | Systems and methods for determining insulation resistance |
| CN112798975B (zh) * | 2020-12-29 | 2024-05-03 | 智新控制系统有限公司 | 高压电池包的绝缘检测电路及检测方法 |
| CN115078831B (zh) * | 2021-03-10 | 2025-11-11 | 北汽福田汽车股份有限公司 | 高压绝缘电阻检测方法与装置、存储介质、电池管理系统 |
| TWI762235B (zh) * | 2021-03-12 | 2022-04-21 | 台達電子工業股份有限公司 | 用於電動載具的絕緣電阻檢測系統及其絕緣電阻檢測方法 |
| CN113156210B (zh) * | 2021-03-12 | 2022-11-15 | 阳光电源股份有限公司 | 一种绝缘检测方法及其应用装置 |
| US11637421B2 (en) * | 2021-07-09 | 2023-04-25 | Transportation Ip Holdings, Llc | Ground impedance and fault detection system and method |
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| KR20230075236A (ko) * | 2021-11-22 | 2023-05-31 | 주식회사 엘지에너지솔루션 | 절연 저항을 측정하는 장치 및 이를 포함하는 배터리 시스템 |
| KR20230106346A (ko) * | 2022-01-06 | 2023-07-13 | 주식회사 엘지에너지솔루션 | 절연 저항 측정을 위한 배터리 장치 및 배터리 관리 시스템 |
| KR20230140915A (ko) | 2022-03-30 | 2023-10-10 | 주식회사 엘지에너지솔루션 | 이차전지용 용접 검사장치 및 이를 포함하는 전극 제조장치 |
| CN114976330B (zh) * | 2022-06-20 | 2024-10-22 | 中创新航技术研究院(江苏)有限公司 | 一种电池装置及其绝缘膜的耐压值的确定方法和确定装置 |
| KR102710031B1 (ko) | 2023-04-10 | 2024-09-25 | 한국기술교육대학교 산학협력단 | 에너지저장장치용 절연저항감시장치 |
| KR102806699B1 (ko) | 2023-06-20 | 2025-05-13 | 한화시스템 주식회사 | 배터리 시스템 절연 진단 장치 및 방법 |
| KR102714825B1 (ko) | 2023-06-20 | 2024-10-11 | 한화시스템 주식회사 | 배터리 시스템 절연 진단 장치 및 방법 |
| KR102714826B1 (ko) | 2023-06-20 | 2024-10-11 | 한화시스템 주식회사 | 배터리 시스템 절연 진단 장치 및 방법 |
| CN116973716B (zh) * | 2023-09-25 | 2024-02-23 | 宁德时代新能源科技股份有限公司 | 电池的绝缘耐压检测方法及系统 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3480019B2 (ja) * | 1993-12-29 | 2003-12-15 | 松下電工株式会社 | 漏洩判別方法及びその装置 |
| JP2003066090A (ja) * | 2001-08-29 | 2003-03-05 | Omron Corp | 漏電検出装置 |
| JP4293942B2 (ja) * | 2004-05-28 | 2009-07-08 | 三洋電機株式会社 | 電動車両用漏電検出回路および電動車両用漏電検出方法 |
| JP2006220520A (ja) * | 2005-02-10 | 2006-08-24 | Honda Motor Co Ltd | 非接地直流電源の絶縁抵抗測定装置及びその方法 |
| US7564248B2 (en) * | 2007-03-12 | 2009-07-21 | Gm Global Technology Operations, Inc. | Method and apparatus for monitoring fuel cells |
| KR100875748B1 (ko) * | 2007-04-17 | 2008-12-26 | 김영철 | 절연저항 측정 장치 및 방법 |
| KR101291724B1 (ko) * | 2007-09-04 | 2013-07-31 | 주식회사 엘지화학 | 배터리의 누설전류 감지 장치 및 방법 |
| US8552733B2 (en) * | 2008-04-14 | 2013-10-08 | Kefico Corporation | Electrical leak detecting apparatus for an electric vehicle |
| JP4759018B2 (ja) * | 2008-05-26 | 2011-08-31 | 矢崎総業株式会社 | 絶縁計測装置 |
| KR20100104139A (ko) * | 2009-03-16 | 2010-09-29 | 주식회사 크라또 | 절연 저항 측정 시스템 및 절연 저항 측정 장치 |
| KR101043445B1 (ko) * | 2009-03-23 | 2011-06-22 | 에스케이이노베이션 주식회사 | 배터리와 연결되는 저항을 이용한 절연저항 측정회로 |
| KR101114317B1 (ko) * | 2009-03-23 | 2012-02-14 | 에스케이이노베이션 주식회사 | 배터리 전압의 영향을 받지 않는 절연저항 측정회로 |
| EP2333568A1 (en) * | 2009-12-10 | 2011-06-15 | Johnson Controls Saft Advanced Power Solutions LLC | Determination of insulation resistance of an electric DC circuit |
| KR101354583B1 (ko) * | 2010-09-17 | 2014-01-22 | 에스케이이노베이션 주식회사 | 누설전류를 발생시키지 않고 셀프 테스트 기능을 가진 절연저항 측정회로 |
| JP6071080B2 (ja) * | 2012-03-27 | 2017-02-01 | エルジー・ケム・リミテッド | 自己故障診断機能を備えた絶縁抵抗測定装置及びそれを利用した自己故障診断方法 |
| JP2014020914A (ja) * | 2012-07-18 | 2014-02-03 | Keihin Corp | 漏電検出装置 |
-
2013
- 2013-03-26 PL PL13769566T patent/PL2801837T3/pl unknown
- 2013-03-26 EP EP13769566.4A patent/EP2801837B1/en active Active
- 2013-03-26 KR KR1020130031939A patent/KR101470553B1/ko active Active
- 2013-03-26 JP JP2015503116A patent/JP5861954B2/ja active Active
- 2013-03-26 CN CN201380016790.6A patent/CN104220886B/zh active Active
- 2013-03-26 WO PCT/KR2013/002499 patent/WO2013147494A1/ko not_active Ceased
- 2013-12-05 US US14/097,941 patent/US9541608B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP5861954B2 (ja) | 2016-02-16 |
| EP2801837A4 (en) | 2015-04-29 |
| CN104220886B (zh) | 2017-05-17 |
| KR101470553B1 (ko) | 2014-12-10 |
| WO2013147494A1 (ko) | 2013-10-03 |
| JP2015518141A (ja) | 2015-06-25 |
| CN104220886A (zh) | 2014-12-17 |
| US9541608B2 (en) | 2017-01-10 |
| EP2801837A1 (en) | 2014-11-12 |
| US20140095093A1 (en) | 2014-04-03 |
| KR20130109066A (ko) | 2013-10-07 |
| EP2801837B1 (en) | 2018-09-19 |
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