JP6867987B2 - 電源装置の満充電容量推定装置 - Google Patents
電源装置の満充電容量推定装置 Download PDFInfo
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
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- 229910052987 metal hydride Inorganic materials 0.000 description 1
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- 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
- H02J7/0018—Circuits for equalisation of charge between batteries using separate charge circuits
-
- 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
-
- 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
- G01R31/387—Determining ampere-hour charge capacity or 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
- G01R31/36—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
-
- 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
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells 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
- H01M10/425—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
- H01M10/4285—Testing apparatus
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
- H02J7/0049—Detection of fully charged condition
-
- 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
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
-
- 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
-
- 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
- H02J7/0025—Sequential battery discharge in systems with a plurality of batteries
-
- 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
Description
以下、電源装置100の制御について図2を参照して説明する。通常制御時において、各電池モジュール102(102a,102b,・・・102n)のAND素子22に対して満充電容量推定装置200からハイ(H)レベルの強制切断信号が入力される。また、各電池モジュール102(102a,102b,・・・102n)のOR素子24に対して満充電容量推定装置200からロー(L)レベルの強制接続信号が入力される。したがって、第1スイッチ素子16のゲート端子には遅延回路20からの出力信号がNOT素子26を介して反転信号として入力され、第2スイッチ素子18のゲート端子には遅延回路20からの出力信号がそのまま入力される。
次に、複数の電池モジュール102(102a,102b,・・・102n)のうち選択されたものを強制的に切り離す制御について説明する。満充電容量推定装置200は、強制的に切り離す対象とする電池モジュール102のAND素子22に対してロー(L)レベルの強制切断信号を出力する。また、満充電容量推定装置200は、当該電池モジュール102のOR素子24に対してはロー(L)レベルの強制接続信号を出力する。
次に、複数の電池モジュール102(102a,102b,・・・102n)のうち選択されたものを強制的に接続する制御について説明する。満充電容量推定装置200は、強制的に接続する対象とする電池モジュール102のOR素子24にハイ(H)レベルの強制接続信号を出力する。
以下、満充電容量推定装置200による電源装置100の満充電容量推定処理について説明する。図9は、本実施の形態における満充電容量推定処理のフローチャートを示す。
Claims (1)
- 二次電池を有する電池モジュールを複数含み、ゲート信号に応じて前記電池モジュールに含まれる前記二次電池が相互に直列接続され、前記ゲート信号に関わらず前記電池モジュールに含まれる前記二次電池を前記直列接続から強制的に切り離す切断手段を備える電源装置、の満充電容量推定装置であって、
力行状態又は回生状態に応じて、力行状態では前記切断手段によって前記複数の電池モジュールのうち一部を測定対象電池モジュールとして当該測定対象モジュールに含まれる前記二次電池を前記直列接続から強制的に切り離し、回生状態では前記切断手段によって前記測定対象モジュールに含まれる前記二次電池を前記直列接続から強制的に切り離さないように制御し、前記測定対象電池モジュールに含まれる電池を所定の高電圧目標値VTAG_Hを超える状態にしたうえで前記測定対象電池モジュールに含まれる前記二次電池を切り離し状態として開放電圧OCV_Hを測定して、当該開放電圧OCV_Hから充電率SOC_Hを求め、
力行状態又は回生状態に応じて、回生状態では前記切断手段によって前記測定対象モジュールに含まれる前記二次電池を前記直列接続から強制的に切り離し、力行状態では前記切断手段によって前記測定対象モジュールに含まれる前記二次電池を前記直列接続から強制的に切り離さないように制御し、前記測定対象電池モジュールに含まれる前記二次電池の出力電圧が所定の低電圧目標値VTAG_L未満になるまでの電流積算値ΔAhを求め、さらに前記測定対象電池モジュールに含まれる前記二次電池を切り離し状態として開放電圧OCV_Lを測定して、当該開放電圧OCV_Hから充電率SOC_Lを求め、
求められた電流積算値ΔAh、充電率SOC_H,SOC_Lから前記測定対象電池モジュールに含まれる前記二次電池の満充電容量Qを推定することを特徴とする満充電容量推定装置。
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JP2018190710A JP6867987B2 (ja) | 2018-10-09 | 2018-10-09 | 電源装置の満充電容量推定装置 |
CN201910930884.3A CN111025167B (zh) | 2018-10-09 | 2019-09-29 | 电源装置的满充电容量推定装置 |
US16/594,753 US11196271B2 (en) | 2018-10-09 | 2019-10-07 | Full-charge-capacity estimating device for power supply device |
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JP2018190710A JP6867987B2 (ja) | 2018-10-09 | 2018-10-09 | 電源装置の満充電容量推定装置 |
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JP6960897B2 (ja) | 2018-10-31 | 2021-11-05 | 株式会社豊田中央研究所 | 電源装置 |
JP6898904B2 (ja) | 2018-10-31 | 2021-07-07 | 株式会社豊田中央研究所 | 電源装置 |
JP6960898B2 (ja) * | 2018-10-31 | 2021-11-05 | 株式会社豊田中央研究所 | 電源装置 |
CN116683555A (zh) * | 2023-04-14 | 2023-09-01 | 云储新能源科技有限公司 | 一种可重构电池网络能量管控方法、系统及电子设备 |
CN116992311B (zh) * | 2023-09-26 | 2023-12-19 | 惠州市优尼可科技有限公司 | 基于机器学习的储能电源状态分析方法 |
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