WO2017104374A1 - 組電池監視システム - Google Patents

組電池監視システム Download PDF

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Publication number
WO2017104374A1
WO2017104374A1 PCT/JP2016/084869 JP2016084869W WO2017104374A1 WO 2017104374 A1 WO2017104374 A1 WO 2017104374A1 JP 2016084869 W JP2016084869 W JP 2016084869W WO 2017104374 A1 WO2017104374 A1 WO 2017104374A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery cell
discharge
terminal
filter
battery
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.)
Ceased
Application number
PCT/JP2016/084869
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
幸拓 朝長
亮太郎 三浦
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.)
Denso Corp
Original Assignee
Denso 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
Application filed by Denso Corp filed Critical Denso Corp
Priority to US15/764,694 priority Critical patent/US11054484B2/en
Priority to CN201680068345.8A priority patent/CN108450041B/zh
Publication of WO2017104374A1 publication Critical patent/WO2017104374A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • 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
    • H01M10/44—Methods for charging or discharging
    • H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
    • 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
    • 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
    • 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
    • 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
    • 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
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • 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

Definitions

  • the present disclosure relates to an assembled battery monitoring system that monitors the voltage of each battery cell constituting the assembled battery.
  • the input terminal of the RC filter is connected to the positive side of the corresponding battery cell, and the low-potential side terminal of the capacitor is connected to the battery cell. Connected to the negative side.
  • the discharging resistance element is connected between at least one of the positive side and the negative side of the battery cell and the corresponding connection terminal of the voltage monitoring device.
  • the input terminal of the RC filter is connected to the negative side of the corresponding battery cell, and the high potential side terminal of the capacitor is the battery cell. Connected to the positive side. And the resistive element for discharge is connected between at least one of the positive side of a battery cell and a negative side, and the corresponding connection terminal of a voltage monitoring apparatus similarly to a 2nd aspect.
  • the assembled battery 1 is configured by connecting a plurality of battery cells 2 (1, 2, 3,...) That are secondary batteries in a multistage series connection.
  • a numeral indicating the stage after the symbol “2” indicating the battery cell Is shown in parentheses when a battery cell at a specific stage of a plurality of battery cells 2 connected in series in multiple stages is indicated, a numeral indicating the stage after the symbol “2” indicating the battery cell Is shown in parentheses.
  • the battery cell 2 in the first stage is indicated as “battery cell 2 (1)”.
  • the numbers indicating the corresponding battery cell stages are shown in parentheses after the reference numerals of the components.
  • the discharge switch 10 (1) indicates the discharge switch 10 provided corresponding to the first-stage battery cell 2 (1).
  • the voltage monitoring IC 3 includes a control device 11 and a voltage detection device 12.
  • the filter connection terminal 9 and the connection terminal 4N corresponding to each battery cell 2 are commonly connected to each input terminal of the voltage detection device 12 via switches 13 and 14, respectively.
  • the control device 11 controls ON / OFF of the switches 13 and 14 to cause the voltage detection device 12 to detect the voltage of each battery cell 2 individually.
  • the detection result is input to the control device 11.
  • the control device 11 controls the ON / OFF of the discharge switch 10 to perform voltage equalization processing for each battery cell 2.
  • the above constitutes the assembled battery monitoring system 15.
  • the assembled battery monitoring system corresponds to each battery cell 2 and the discharge resistance element 5 and the RC filter 8 connected between each battery cell 2 and the voltage monitoring IC 3. And a discharge switch 10 that is disposed inside the voltage monitoring IC 3 and discharges the corresponding battery cell 2.
  • the connection terminals 9 and 4N ( ⁇ ) provided in the voltage monitoring IC 3 are used for monitoring the voltage of the battery cell 2 via the output terminal of the RC filter 8, and the connection terminal 4N (+) is used for the discharge switch 10 Is used to form the discharge path of the battery cell 2 when is turned on.
  • the discharge resistance element 5N is arranged at a position where the charge of the capacitor 7 constituting the RC filter 8 is not discharged.
  • the number of terminals of the voltage monitoring IC 3C increases as in the fifth embodiment, but the discharge path is an independent path for each battery cell 2, so that they are adjacent to each other. It becomes possible to perform equalization processing between the battery cells 2 simultaneously.
  • the anode of the diode 36 (2) is connected to the connection terminal 4P (1).
  • An inductor may be inserted between the positive terminal of each battery cell 2 and the RC filter 8 or the like, or a Zener diode or a smoothing capacitor may be connected in parallel to the battery cell 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
PCT/JP2016/084869 2015-12-15 2016-11-25 組電池監視システム Ceased WO2017104374A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US15/764,694 US11054484B2 (en) 2015-12-15 2016-11-25 Assembled battery monitoring system
CN201680068345.8A CN108450041B (zh) 2015-12-15 2016-11-25 电池组监视系统

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015244075A JP6398964B2 (ja) 2015-12-15 2015-12-15 組電池監視システム
JP2015-244075 2015-12-15

Publications (1)

Publication Number Publication Date
WO2017104374A1 true WO2017104374A1 (ja) 2017-06-22

Family

ID=59056293

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/084869 Ceased WO2017104374A1 (ja) 2015-12-15 2016-11-25 組電池監視システム

Country Status (4)

Country Link
US (1) US11054484B2 (enExample)
JP (1) JP6398964B2 (enExample)
CN (1) CN108450041B (enExample)
WO (1) WO2017104374A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019088066A (ja) * 2017-11-02 2019-06-06 Tdk株式会社 組電池
JP6988436B2 (ja) * 2017-12-19 2022-01-05 株式会社デンソー 電池制御装置
JP7000995B2 (ja) 2018-06-04 2022-01-19 株式会社デンソー 組電池監視システム
KR102751105B1 (ko) * 2019-02-12 2025-01-06 주식회사 엘지에너지솔루션 배터리 장치
JP7331543B2 (ja) * 2019-08-06 2023-08-23 株式会社デンソー 組電池監視システム及び組電池の故障判定方法
KR20220153292A (ko) * 2021-05-11 2022-11-18 에스케이온 주식회사 Bms 및 배터리 시스템
US12411180B2 (en) * 2022-05-25 2025-09-09 Infineon Technologies Ag Error compensation based on wire resistance in battery monitoring circuits
US12298355B2 (en) * 2023-03-03 2025-05-13 Cypress Semiconductor Corporation Voltage measurement channel calibration for battery management systems

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005348457A (ja) * 2004-05-31 2005-12-15 Shin Kobe Electric Mach Co Ltd 組電池用制御回路
JP2008123868A (ja) * 2006-11-13 2008-05-29 Gs Yuasa Corporation:Kk 二次電池のセル電圧バランス装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3300309B2 (ja) 1999-10-19 2002-07-08 本田技研工業株式会社 電池電圧測定装置
JP5060857B2 (ja) * 2007-07-19 2012-10-31 日立ビークルエナジー株式会社 セルコントローラ
US7852047B2 (en) 2007-09-20 2010-12-14 Denso Corporation Disconnection detection device of assembled battery system and disconnection detection method of same
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
JP5353914B2 (ja) * 2011-02-01 2013-11-27 株式会社デンソー 電池電圧監視装置
JP6200139B2 (ja) 2012-09-21 2017-09-20 矢崎総業株式会社 均等化装置
JP5825243B2 (ja) 2012-10-29 2015-12-02 株式会社デンソー 電池監視装置
JP5870899B2 (ja) * 2012-10-30 2016-03-01 株式会社デンソー 電池監視装置
JP5974849B2 (ja) 2012-11-19 2016-08-23 株式会社デンソー 電池監視装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005348457A (ja) * 2004-05-31 2005-12-15 Shin Kobe Electric Mach Co Ltd 組電池用制御回路
JP2008123868A (ja) * 2006-11-13 2008-05-29 Gs Yuasa Corporation:Kk 二次電池のセル電圧バランス装置

Also Published As

Publication number Publication date
JP2017112677A (ja) 2017-06-22
CN108450041B (zh) 2022-02-08
CN108450041A (zh) 2018-08-24
US11054484B2 (en) 2021-07-06
JP6398964B2 (ja) 2018-10-03
US20180284196A1 (en) 2018-10-04

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