JP2017219404A5 - - Google Patents

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JP2017219404A5
JP2017219404A5 JP2016113498A JP2016113498A JP2017219404A5 JP 2017219404 A5 JP2017219404 A5 JP 2017219404A5 JP 2016113498 A JP2016113498 A JP 2016113498A JP 2016113498 A JP2016113498 A JP 2016113498A JP 2017219404 A5 JP2017219404 A5 JP 2017219404A5
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state
battery
open circuit
circuit voltage
charge
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Claims (9)

車載電池の充電状態を検知する電池状態検知システムにおいて、
車載電池の開回路電圧を計測する手段と、
車載電池の開回路電圧と充電状態との標準的な対応関係を記憶する手段と、
新規に車載された電池の開回路電圧と前記対応関係における満充電状態の開回路電圧との関係を補正する補正係数を算出する手段と、
前記補正係数に基づいて、前記車載電池の開回路電圧の計測結果を補正する手段と、
前記補正する手段による補正後の開回路電圧を前記対応関係に適用して充電状態を求める手段とを具備したことを特徴とする電池状態検知システム。
In the battery state detection system that detects the charge state of the vehicle battery,
Means for measuring the open circuit voltage of the vehicle battery;
Means for storing a standard correspondence between the open circuit voltage of the in-vehicle battery and the state of charge;
Means for calculating a correction coefficient for correcting the relationship between the open circuit voltage of a newly mounted battery and the open circuit voltage in a fully charged state in the corresponding relationship;
Means for correcting the measurement result of the open circuit voltage of the in-vehicle battery based on the correction coefficient;
A battery state detection system comprising: a means for obtaining a state of charge by applying an open circuit voltage corrected by the means for correcting to the correspondence.
前記対応関係が基準温度における開回路電圧と充電状態との関係を表し、
前記補正係数が前記基準温度の換算値であり、
前記充電状態を求める手段は、前記基準温度での充電状態を求めることを特徴とする請求項1に記載の電池状態検知システム。
The correspondence relationship represents the relationship between the open circuit voltage at the reference temperature and the state of charge,
The correction coefficient is a converted value of the reference temperature;
The battery state detection system according to claim 1, wherein the means for obtaining the state of charge obtains a state of charge at the reference temperature.
車載電池の劣化状態を検知する手段をさらに具備し、
前記対応関係を記憶する手段は、車載電池の開回路電圧と充電状態との標準的な対応関係を劣化状態ごとに記憶し、
前記充電状態を求める手段は、前記補正後の開回路電圧を、前記劣化状態に対応した対応関係に適用して充電状態を求めることを特徴とする請求項1または2に記載の電池状態検知システム。
It further comprises means for detecting the deterioration state of the in-vehicle battery,
The means for storing the correspondence relationship stores a standard correspondence relationship between the open circuit voltage of the in-vehicle battery and the charged state for each deterioration state,
The battery state detection system according to claim 1 or 2, wherein the means for obtaining the state of charge obtains the state of charge by applying the corrected open circuit voltage to a correspondence relationship corresponding to the deteriorated state. .
前記電池の劣化状態がSOCであることを特徴とする請求項3に記載の電池状態検知システム。   The battery state detection system according to claim 3, wherein the deterioration state of the battery is SOC. 車載電池が新品に交換されたか否かを判別する手段を具備し、
前記補正係数を算出する手段は、車載電池が新品に交換されると補正係数を算出することを特徴とする請求項1ないし4のいずれかに記載の電池状態検知システム。
Comprising means for determining whether or not the in-vehicle battery has been replaced with a new one,
5. The battery state detection system according to claim 1, wherein the means for calculating the correction coefficient calculates the correction coefficient when the in-vehicle battery is replaced with a new one.
前記補正係数を算出する手段は、車載電池の開回路電圧を複数回計測し、最大値および最小値を除いた残りの複数の値に基づいて開回路電圧を求めることを特徴とする請求項1ないし5のいずれかに記載の電池状態検知システム。   The means for calculating the correction coefficient measures the open circuit voltage of the on-vehicle battery a plurality of times, and obtains the open circuit voltage based on a plurality of remaining values excluding the maximum value and the minimum value. The battery state detection system according to any one of 5 to 5. 前記対応関係が、開回路電圧と充電状態との関係を示す近似式であることを特徴とする請求項1ないし6のいずれかに記載の電池状態検知システム。   The battery state detection system according to any one of claims 1 to 6, wherein the correspondence relationship is an approximate expression indicating a relationship between an open circuit voltage and a state of charge. 前記対応関係が、開回路電圧と充電状態との関係を示すマップであることを特徴とする請求項1ないし6のいずれかに記載の電池状態検知システム。   7. The battery state detection system according to claim 1, wherein the correspondence relationship is a map showing a relationship between an open circuit voltage and a charge state. 前記請求項1ないし8のいずれかに記載の電池状態検知システムを用いて車載電池の状態を検知することを特徴とする車両。   A vehicle characterized by detecting a state of an in-vehicle battery using the battery state detection system according to any one of claims 1 to 8.
JP2016113498A 2016-06-07 2016-06-07 Vehicle and its battery state detection system Active JP6674139B2 (en)

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JP2017219404A JP2017219404A (en) 2017-12-14
JP2017219404A5 true JP2017219404A5 (en) 2019-01-31
JP6674139B2 JP6674139B2 (en) 2020-04-01

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Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
CN109061521B (en) * 2018-10-30 2021-03-16 四川长虹电源有限责任公司 Storage battery pack charge state calculation method and system
JP7119921B2 (en) * 2018-11-07 2022-08-17 トヨタ自動車株式会社 battery controller
CN110970670B (en) * 2019-03-04 2020-12-08 重庆长安新能源汽车科技有限公司 Power battery management method and device and computer readable storage medium
CN110058177B (en) * 2019-05-06 2021-08-31 奇瑞新能源汽车股份有限公司 Power battery electric quantity SOC correction method
JP7498001B2 (en) 2020-03-12 2024-06-11 三洋電機株式会社 Management equipment, power supply system
JP7414697B2 (en) * 2020-11-27 2024-01-16 株式会社東芝 Battery deterioration determination device, battery management system, battery equipped equipment, battery deterioration determination method, and battery deterioration determination program
TWI790872B (en) * 2021-12-23 2023-01-21 亞福儲能股份有限公司 Battery management system and battery management method
CN116581402B (en) * 2023-07-13 2023-11-17 北京索云科技股份有限公司 Intelligent operation maintenance method and system for universal storage battery

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2985614B2 (en) * 1993-09-29 1999-12-06 日本電池株式会社 Storage battery device with dry-up detection function
JP4057276B2 (en) * 2001-10-26 2008-03-05 古河電気工業株式会社 Method and apparatus for determining the state of a secondary storage battery mounted on a vehicle
JP4178898B2 (en) * 2002-10-10 2008-11-12 新神戸電機株式会社 Battery status detection system
JP2004179097A (en) * 2002-11-29 2004-06-24 Shin Kobe Electric Mach Co Ltd Uniform charging system of lead battery
JP5170851B2 (en) * 2005-07-15 2013-03-27 古河電気工業株式会社 Storage battery charge state detection method and storage battery charge state detection device
JP5162971B2 (en) * 2007-06-13 2013-03-13 新神戸電機株式会社 Battery state detection system and automobile
JP6260812B2 (en) * 2013-12-05 2018-01-17 パナソニックIpマネジメント株式会社 Battery remaining capacity estimation device, battery remaining capacity determination method, and battery remaining capacity determination program
US10254346B2 (en) * 2014-02-25 2019-04-09 Mitsubishi Electric Corporation SOC estimation device for secondary battery
KR20160017341A (en) * 2014-08-05 2016-02-16 현대모비스 주식회사 Apparatus and Method for estimating battery charging status

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