JP7250366B2 - 電源装置およびバッテリー劣化度判定システム - Google Patents
電源装置およびバッテリー劣化度判定システム Download PDFInfo
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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]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
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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]
- G01R31/396—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
- H01M10/44—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
- H01M10/46—Accumulators structurally combined with charging apparatus
- H01M10/465—Accumulators structurally combined with charging apparatus with solar battery as charging system
-
- 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
-
- 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
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/005—Detection of state of health [SOH]
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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- Electric Propulsion And Braking For Vehicles (AREA)
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Description
また本発明の一態様では、前記劣化測定部は、前記バッテリーユニットの充電時または放電時の電気特性に基づいて前記劣化度を測定する。
また本発明の一態様では、前記充電部には、光で発電する光発電部が接続されている。
使用履歴情報と前記診断情報の関係を機械学習によって分析し、前記分析の結果に基づいて、前記第1劣化度および前記第2劣化度の判定方法を更新する。
また本発明の一態様では、前記使用済みバッテリー要素は、移動体の電源に用いられたものであり、前記使用履歴情報には、前記移動体の運転履歴が含まれている。
以下、本発明の実施の形態について、図面を参照して詳細に説明する。各図面に示される同一または同等の構成要素、部材、処理には、同一の符号を付すものとし、適宜重複した説明は省略する。図1は、本実施形態に係る電源装置100の構成を模式的に示すブロック図である。図1に示すように、電源装置100は、複数のバッテリーユニット10a~10eと、収容部20と、制御部30と、接続選択部40と、劣化測定部50と、ユニット交換通知部60と、充電部70と、放電部80を備えている。また、充電部70にはソーラーパネル90が接続され、放電部80には負荷91が接続されている。
(第2実施形態)
10,10a~10e…バッテリーユニット
20…収容部
30…制御部
40…接続選択部
50…劣化測定部
60…ユニット交換通知部
70…充電部
80…放電部
90…ソーラーパネル
91…負荷
110…管理サーバ
11~15…バッテリーセル
111…識別情報
112…履歴情報
113…診断情報
114…劣化判断部
200…バッテリー使用機器
210…使用済バッテリー
220…バッテリー要素
Claims (6)
- 充電部からの充電および放電部からの放電を行う電源装置であって、
複数のバッテリーセルを直列又は並列に接続した複数のバッテリーユニットと、
選択対象である前記バッテリーユニットから一つを充電対象として選択して前記充電部に接続し、他の一つを放電対象として選択して前記放電部に接続する接続選択部と、
個々の前記バッテリーユニットを着脱自在に収容する収容部を備え、
前記バッテリーセルは劣化度に応じて複数の劣化ランクに分類されており、一つの前記バッテリーユニットに含まれる前記バッテリーセルは、前記劣化ランクが同じであり、
前記バッテリーユニットに含まれる前記バッテリーセルについて前記劣化度を測定する劣化測定部と、
前記接続選択部は、前記劣化測定部の測定結果に基づいて、前記選択対象から除外される前記バッテリーユニットを決定し、
前記劣化測定部の測定結果に基づいて、ユニット交換信号を送出するユニット交換通知部を備えることを特徴とする電源装置。 - 請求項1に記載の電源装置であって、
前記ユニット交換通知部は、何れかの前記バッテリーセルの充電容量が第1閾値以下となった場合に前記ユニット交換信号を送出することを特徴とする電源装置。 - 請求項2に記載の電源装置であって、
前記接続選択部は、前記充電容量が前記第1閾値以下となった前記バッテリーセルを含む前記バッテリーユニットを選択対象から除外することを特徴とする電源装置。 - 請求項1から3の何れか一つに記載の電源装置であって、
前記ユニット交換通知部は、前記収容部に収容された複数の前記バッテリーユニットについて充電可能な電気量の総和を充電総量として算出し、前記充電総量が第2閾値以下となった場合に前記ユニット交換信号を送出することを特徴とする電源装置。 - 請求項1から4の何れか一つに記載の電源装置であって、
前記劣化測定部は、前記バッテリーユニットの充電時または放電時の電気特性に基づいて前記劣化度を測定することを特徴とする電源装置。 - 請求項1から5の何れか一つに記載の電源装置であって、
前記充電部には、光で発電する光発電部が接続されていることを特徴とする電源装置。
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JP2021082813A JP7250366B2 (ja) | 2021-05-14 | 2021-05-14 | 電源装置およびバッテリー劣化度判定システム |
US18/287,764 US20240192282A1 (en) | 2021-05-14 | 2022-03-29 | Power supply device and battery deterioration degree determination system |
PCT/JP2022/015729 WO2022239558A1 (ja) | 2021-05-14 | 2022-03-29 | 電源装置およびバッテリー劣化度判定システム |
DE112022000992.6T DE112022000992T5 (de) | 2021-05-14 | 2022-03-29 | Stromversorgungsvorrichtung und System zur Bestimmung des Verschlechterungsgrades einer Batterie |
JP2023035113A JP7383321B2 (ja) | 2021-05-14 | 2023-03-07 | バッテリー劣化度判定システム |
JP2023185756A JP2024003049A (ja) | 2021-05-14 | 2023-10-30 | バッテリー劣化度判定システム |
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JP2023035113A Active JP7383321B2 (ja) | 2021-05-14 | 2023-03-07 | バッテリー劣化度判定システム |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005176461A (ja) | 2003-12-09 | 2005-06-30 | Matsushita Electric Ind Co Ltd | 直流無停電電源装置 |
JP2012220199A (ja) | 2011-04-04 | 2012-11-12 | Toyota Motor Corp | 二次電池の劣化判定方法とその装置 |
JP2018092856A (ja) | 2016-12-07 | 2018-06-14 | 株式会社Sirc | バッテリ管理装置、バッテリ管理方法及びバッテリ管理プログラム |
JP2018139471A (ja) | 2017-02-24 | 2018-09-06 | 三菱重工業株式会社 | 制御装置、それを備えた電力貯蔵システム、及び制御方法並びに制御プログラム |
JP2021027031A (ja) | 2019-08-01 | 2021-02-22 | 株式会社デンソー | 二次電池の劣化度判定装置及び組電池 |
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JP2001042014A (ja) * | 1999-07-29 | 2001-02-16 | Hitachi Ltd | 信号積分回路 |
JP2013195408A (ja) | 2012-03-23 | 2013-09-30 | Denso Corp | 組電池の電圧検出装置、および電圧検出装置の製造方法 |
JP6564502B1 (ja) * | 2018-06-29 | 2019-08-21 | レスク株式会社 | バッテリ管理システム |
JP2020112491A (ja) | 2019-01-15 | 2020-07-27 | 住友電気工業株式会社 | パラメータ推定装置、パラメータ推定方法及びコンピュータプログラム |
JP7243425B2 (ja) | 2019-05-14 | 2023-03-22 | トヨタ自動車株式会社 | 電池情報管理システムおよび電池情報管理方法 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005176461A (ja) | 2003-12-09 | 2005-06-30 | Matsushita Electric Ind Co Ltd | 直流無停電電源装置 |
JP2012220199A (ja) | 2011-04-04 | 2012-11-12 | Toyota Motor Corp | 二次電池の劣化判定方法とその装置 |
JP2018092856A (ja) | 2016-12-07 | 2018-06-14 | 株式会社Sirc | バッテリ管理装置、バッテリ管理方法及びバッテリ管理プログラム |
JP2018139471A (ja) | 2017-02-24 | 2018-09-06 | 三菱重工業株式会社 | 制御装置、それを備えた電力貯蔵システム、及び制御方法並びに制御プログラム |
JP2021027031A (ja) | 2019-08-01 | 2021-02-22 | 株式会社デンソー | 二次電池の劣化度判定装置及び組電池 |
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DE112022000992T5 (de) | 2023-12-21 |
JP2023076467A (ja) | 2023-06-01 |
JP2022175980A (ja) | 2022-11-25 |
JP2024003049A (ja) | 2024-01-11 |
US20240192282A1 (en) | 2024-06-13 |
JP7383321B2 (ja) | 2023-11-20 |
WO2022239558A1 (ja) | 2022-11-17 |
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