JP2019168374A - 電圧検出装置 - Google Patents
電圧検出装置 Download PDFInfo
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- JP2019168374A JP2019168374A JP2018057399A JP2018057399A JP2019168374A JP 2019168374 A JP2019168374 A JP 2019168374A JP 2018057399 A JP2018057399 A JP 2018057399A JP 2018057399 A JP2018057399 A JP 2018057399A JP 2019168374 A JP2019168374 A JP 2019168374A
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- battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
-
- 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
- G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
-
- 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
-
- 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
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- 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
- H01M10/48—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
- H02J7/0025—Sequential battery discharge in systems with a plurality of 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
-
- 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
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary 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
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- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Measurement Of Current Or Voltage (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
Description
以下、図面を参照して、本発明に係る電圧検出装置の一実施形態について説明する。図1は、本実施形態の電圧検出装置Aを有する車両走行系の一部を示すシステム構成図である。本実施形態において、車両走行系は、負荷(インバータ等)への送電ラインLに並列接続された複数の電池モジュールを有するバッテリを備えている。本実施形態では、図1に示すように、バッテリが2つの電池モジュールX1及び電池モジュールX2を備える構成について説明する。ただし、バッテリが有する電池モジュールは2つに限定されるものではなく、3つ以上の並列接続される電池モジュールを備えていても良い。
次に、本発明の第2実施形態について、図2を参照して説明する。なお、本第2実施形態の説明において、上記第1実施形態と同様の部分については、その説明を省略あるいは簡略化する。
次に、本発明の第3実施形態について、図3を参照して説明する。なお、本第3実施形態の説明において、上記第1実施形態と同様の部分については、その説明を省略あるいは簡略化する。
Claims (5)
- 各々が遮断素子を有すると共に負荷に対して並列的に複数接続された電池モジュールの電圧を検出する電圧検出装置であって、
前記電池モジュールの各々に対して設けられると共に前記電池モジュールと前記負荷への送電ラインとに接続された開閉器と、
前記開閉器によって前記送電ラインから切り離された状態で、前記電池モジュールに含まれた電池セルの電圧を検出するセル電圧検出部と、
前記セル電圧検出部の検出結果に基づいて前記電池モジュールの遮断素子が作動しているか否かの判定を行う判定部と
を備えることを特徴とする電圧検出装置。 - 前記判定部は、前記セル電圧検出部の検出結果に前記電池セルの電圧が負電圧であることを示す結果が含まれている場合に前記電池モジュールの遮断素子が作動していると判定することを特徴とする請求項1記載の電圧検出装置。
- 前記判定部は、作動した前記遮断素子に含まれるリーク電流経路を含む電流経路に電流が流れた状態での前記セル電圧検出部の検出結果に基づいて前記電池モジュールの遮断素子が作動しているか否かの判定を行うことを特徴とする請求項1または2記載の電圧検出装置。
- 前記判定部は、前記電池セルの正極と負極とを通電可能とする放電回路を含む電流経路に電流が流れた状態での前記セル電圧検出部の検出結果に基づいて前記電池モジュールの遮断素子が作動しているか否かの判定を行うことを特徴とする請求項1または2記載の電圧検出装置。
- 前記判定部は、前記電池セルの正極にカソードが接続され、前記電池セルの負極にアノードが接続されたダイオードを含む電流経路に電流が流れた状態での前記セル電圧検出部の検出結果に基づいて前記電池モジュールの遮断素子が作動しているか否かの判定を行うことを特徴とする請求項1または2記載の電圧検出装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018057399A JP7042128B2 (ja) | 2018-03-26 | 2018-03-26 | 電圧検出装置 |
CN201811471564.8A CN110361670B (zh) | 2018-03-26 | 2018-12-04 | 电压检测装置 |
US16/242,182 US10935576B2 (en) | 2018-03-26 | 2019-01-08 | Determination of operation status of shut-off element of battery module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018057399A JP7042128B2 (ja) | 2018-03-26 | 2018-03-26 | 電圧検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019168374A true JP2019168374A (ja) | 2019-10-03 |
JP7042128B2 JP7042128B2 (ja) | 2022-03-25 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018057399A Active JP7042128B2 (ja) | 2018-03-26 | 2018-03-26 | 電圧検出装置 |
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US (1) | US10935576B2 (ja) |
JP (1) | JP7042128B2 (ja) |
CN (1) | CN110361670B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111509319A (zh) * | 2020-05-28 | 2020-08-07 | 成都博瑞天晨科技发展有限公司 | 一种储能电源phm管理系统 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10921378B2 (en) * | 2019-02-25 | 2021-02-16 | Ford Global Technologies, Llc | System for measuring voltage differences between battery cells and for obtaining battery cell voltages using the voltage differences |
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2018
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- 2018-12-04 CN CN201811471564.8A patent/CN110361670B/zh active Active
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2019
- 2019-01-08 US US16/242,182 patent/US10935576B2/en active Active
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US10935576B2 (en) | 2021-03-02 |
US20190293693A1 (en) | 2019-09-26 |
JP7042128B2 (ja) | 2022-03-25 |
CN110361670A (zh) | 2019-10-22 |
CN110361670B (zh) | 2024-06-21 |
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