JP5333126B2 - 組電池制御装置 - Google Patents
組電池制御装置 Download PDFInfo
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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
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/15—Preventing overcharging
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
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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
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- 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
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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
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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
- H01M10/48—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
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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
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
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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
- H02J7/0047—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]
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/92—Hybrid vehicles
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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]
- G01R31/382—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
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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
- Y02T10/62—Hybrid vehicles
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Description
セルの電圧を検出する電圧検出手段と、
基準電圧を発生する基準電圧発生手段と、
セルの電圧を基準電圧と比較する電圧比較手段と、
基準電圧を相対変化させる電圧切替回路を複数有する切替手段と、
電圧比較手段が出力する比較結果に基づいて組電池の状態を判定する一方、電圧検出手段により検出されたセルの電圧と基準電圧との比較結果と複数の電圧切替回路により基準電圧が複数段に相対変化させられたときの電圧比較手段の比較結果とに基づいて基準電圧の自発変化の有無を判定する判定手段と、を備え、
複数の電圧切替回路による基準電圧の相対変化の範囲は、セルの最小電圧から最大電圧までの全電圧範囲のうちセルで使用される使用電圧範囲に設定されており、
判定手段は、複数の電圧切替回路により切り替えられた複数段の基準電圧とセルの電圧との各比較に基づいて基準電圧の自発変化を検出することを特徴とする。
過充放電検出回路は、複数のセルのうちの1つのセルに対して複数設けられていることを特徴とする。
以下、本発明の第1実施形態について図を参照して説明する。本実施形態で示される組電池制御装置は、例えば、内燃機関から出力される駆動力および走行用電動モータから出力される駆動力の少なくとも一方により走行可能な車両すなわちハイブリッド車(HV車)や走行用電動モータから出力される駆動力により走行可能な車両すなわち電気自動車(EV車)等に搭載される車載バッテリの監視に適用することができる。
本実施形態では、第1実施形態と異なる部分についてのみ説明する。本実施形態では、1つのブロックに対して複数の過充放電検出回路3を設けたことが特徴となっている。
上記各実施形態では、組電池1を構成する各セル1a〜1dとしてリチウムイオン二次電池を例に説明したが、他の二次電池を採用しても良い。また、組電池1はHV車やEV車に搭載されるものでなくても良い。言い換えると、組電池制御装置2は、車両に搭載されなくても良い。
1a〜1d セル
4a ブロック電圧検出部(電圧検出手段)
30〜33 基準電圧源(基準電圧発生手段)
50〜53 比較器(電圧比較手段)
60 OR回路(電圧比較手段)
61 AND回路(電圧比較手段)
41 電圧切替回路
40 切替部(切替手段)
4 電池ECU(判定手段)
80 セルの全電圧範囲
81 HV車の使用電圧範囲
82 EV車の使用電圧範囲
Claims (5)
- 互いに直列接続されて組電池を構成する複数のセルの電圧を監視する組電池制御装置であって、
前記セルの電圧を検出する電圧検出手段と、
基準電圧を発生する基準電圧発生手段と、
前記セルの電圧を前記基準電圧と比較する電圧比較手段と、
前記基準電圧を相対変化させる電圧切替回路を複数有する切替手段と、
前記電圧比較手段が出力する比較結果に基づいて前記組電池の状態を判定する一方、前記電圧検出手段により検出された前記セルの電圧と前記基準電圧との比較結果と前記複数の電圧切替回路により前記基準電圧が複数段に相対変化させられたときの前記電圧比較手段の比較結果とに基づいて前記基準電圧の自発変化の有無を判定する判定手段と、を備え、
前記複数の電圧切替回路による前記基準電圧の相対変化の範囲は、前記セルの最小電圧から最大電圧までの全電圧範囲のうち前記セルで使用される使用電圧範囲に設定されており、
前記判定手段は、前記複数の電圧切替回路により切り替えられた複数段の基準電圧と前記セルの電圧との各比較に基づいて前記基準電圧の自発変化を検出することを特徴とする組電池制御装置。 - 前記基準電圧の相対変化の範囲は、当該範囲の上限値が前記セルの過充電を示す電圧に設定されており、
前記判定手段は、前記基準電圧の相対変化の範囲の上限値を上回る場合、前記セルが過充電であるという異常判定を行うことを特徴とする請求項1に記載の組電池制御装置。 - 前記基準電圧の相対変化の範囲は、当該範囲の下限値が前記セルの過放電を示す電圧に設定されており、
前記判定手段は、前記基準電圧の相対変化の範囲の下限値を下回ると判定した場合、前記セルの動作を停止させることを特徴とする請求項1または2に記載の組電池制御装置。 - 前記基準電圧発生手段、前記電圧比較手段、および前記切替手段を備えて構成される回路を過充放電検出回路とすると、
前記過充放電検出回路は、前記複数のセルのうちの1つのセルに対して複数設けられていることを特徴とする請求項1ないし3のいずれか1つに記載の組電池制御装置。 - 前記使用電圧範囲は、前記全電圧範囲のうちの最も使用頻度が高い電圧を中心に設定された範囲であることを特徴とする請求項1ないし4のいずれか1つに記載の組電池制御装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009224952A JP5333126B2 (ja) | 2009-09-29 | 2009-09-29 | 組電池制御装置 |
KR1020127011128A KR101350370B1 (ko) | 2009-09-29 | 2010-09-28 | 배터리팩 제어 장치 |
US13/499,084 US8907626B2 (en) | 2009-09-29 | 2010-09-28 | Battery pack control apparatus |
EP10820527.9A EP2485364B1 (en) | 2009-09-29 | 2010-09-28 | Control device for an assembled battery |
CN201080043035.3A CN102549874B (zh) | 2009-09-29 | 2010-09-28 | 电池组控制设备 |
PCT/JP2010/066851 WO2011040412A1 (ja) | 2009-09-29 | 2010-09-28 | 組電池制御装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009224952A JP5333126B2 (ja) | 2009-09-29 | 2009-09-29 | 組電池制御装置 |
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Publication Number | Publication Date |
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JP2011078163A JP2011078163A (ja) | 2011-04-14 |
JP5333126B2 true JP5333126B2 (ja) | 2013-11-06 |
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JP2009224952A Active JP5333126B2 (ja) | 2009-09-29 | 2009-09-29 | 組電池制御装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8907626B2 (ja) |
EP (1) | EP2485364B1 (ja) |
JP (1) | JP5333126B2 (ja) |
KR (1) | KR101350370B1 (ja) |
CN (1) | CN102549874B (ja) |
WO (1) | WO2011040412A1 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5321392B2 (ja) | 2009-09-29 | 2013-10-23 | 株式会社デンソー | 電圧監視装置 |
JP4849164B2 (ja) | 2009-09-29 | 2012-01-11 | 株式会社デンソー | 電圧監視装置 |
JP5316343B2 (ja) * | 2009-09-29 | 2013-10-16 | 株式会社デンソー | 電池監視装置 |
CN102549911B (zh) * | 2009-11-06 | 2015-04-01 | 三菱电机株式会社 | 车用发电电压控制装置 |
JP5467597B2 (ja) * | 2010-03-01 | 2014-04-09 | 株式会社ピューズ | 組電池 |
US20120013189A1 (en) * | 2010-07-15 | 2012-01-19 | Vercingetorix, Llc | battery management system |
JP5798887B2 (ja) * | 2011-10-31 | 2015-10-21 | 株式会社日立製作所 | 蓄電システム |
US9142868B2 (en) * | 2011-11-29 | 2015-09-22 | Seiko Instruments Inc. | Charge/discharge control circuit and battery device |
JP5910129B2 (ja) * | 2012-02-06 | 2016-04-27 | ソニー株式会社 | 電力貯蔵装置、電力システムおよび電動車両 |
US20130257381A1 (en) * | 2012-03-29 | 2013-10-03 | Steven Diamond | Peak-equalized battery charge balancing |
DE102012209273A1 (de) * | 2012-06-01 | 2013-12-05 | Robert Bosch Gmbh | Batteriezellenüberwachungseinheit, Verfahren zur Fehlererkennung und -behebung in derselben, Batteriesystem und Kraftfahrzeug |
JP2014050129A (ja) * | 2012-08-29 | 2014-03-17 | Toyota Motor Corp | 電源装置 |
JP5962558B2 (ja) * | 2013-03-21 | 2016-08-03 | 株式会社デンソー | 電池監視装置 |
EP2990812B1 (en) * | 2013-04-26 | 2022-08-03 | Hitachi Astemo, Ltd. | Battery monitoring device and battery system using same |
US9190853B2 (en) * | 2013-07-25 | 2015-11-17 | GM Global Technology Operations LLC | Methods and systems for adjusting battery voltage limits |
JP6370137B2 (ja) * | 2014-07-09 | 2018-08-08 | エイブリック株式会社 | 充放電制御回路及びバッテリ装置 |
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KR20120079129A (ko) | 2012-07-11 |
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