JP6875866B2 - 電池状態検出装置 - Google Patents
電池状態検出装置 Download PDFInfo
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- JP6875866B2 JP6875866B2 JP2017008368A JP2017008368A JP6875866B2 JP 6875866 B2 JP6875866 B2 JP 6875866B2 JP 2017008368 A JP2017008368 A JP 2017008368A JP 2017008368 A JP2017008368 A JP 2017008368A JP 6875866 B2 JP6875866 B2 JP 6875866B2
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- 239000003990 capacitor Substances 0.000 claims description 113
- 238000001514 detection method Methods 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 36
- 230000008569 process Effects 0.000 claims description 35
- 230000003321 amplification Effects 0.000 claims description 29
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 29
- 230000004044 response Effects 0.000 claims description 4
- 239000003985 ceramic capacitor Substances 0.000 description 12
- 238000005259 measurement Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
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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]
- G01R31/3644—Constructional arrangements
-
- 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
-
- 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]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/40—Data acquisition and logging
-
- 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
- B60L2240/10—Vehicle control parameters
- B60L2240/12—Speed
-
- 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
-
- 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
- B60L2240/549—Current
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Mathematical Physics (AREA)
- Data Mining & Analysis (AREA)
- Computer Hardware Design (AREA)
- Databases & Information Systems (AREA)
- Secondary Cells (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
Description
本発明の第1実施形態について、図面を参照して詳細に説明する。図1は、第1実施形態における本発明の電池状態検出装置を示す概略構成図である。
r=(Vm/Av)/(I1−I2)…(1)
本発明の第2実施形態について、図面を参照して詳細に説明する。図5は、第2実施形態における本発明の電池状態検出装置を示す概略構成図である。第2の実施形態の電池状態検出装置200は、電池状態検出装置100の技術を応用したものであり、複数個のセル電池(Ce1〜Ce4;電池)が組み合わされた組電池BSを測定対象の電圧源としている。
Vm=Av{ΔV+R1n(I1−I2)} …(2)
rn={(Vm/Av)−R1n(I1−I2)}/(I1−I2) …(3)
111 差動増幅部
113 第1コンデンサ
114 第2コンデンサ
140 μCOM(サンプルホールド制御部、電池状態検出部)
200 電池状態検出装置
210 μCOM(サンプルホールド制御部、電池状態検出部)
240 差動増幅部
B 二次電池(電池)
C1 第1コンデンサ
C2 第2コンデンサ
Ce1〜Ce4 セル電池(電池)
Claims (5)
- 電池の状態を検出する電池状態検出装置において、
第1コンデンサと、
第2コンデンサと、
前記第1コンデンサが保持する電圧と前記第2コンデンサが保持する電圧との差電圧に応じた電圧を出力する差動増幅部と、
前記第1コンデンサを用いて前記電池の電池電圧の第1サンプルホールドを行わせ、その後、所定の待機時間経過した後、前記第2コンデンサを用いて前記電池電圧の第2サンプルホールドを行わせるサンプルホールド処理を実行するサンプルホールド制御部と、
前記第1サンプルホールド中及び前記第2サンプルホールド中の双方で前記電池に流れる電池電流が一定であり、かつ、前記待機時間中に前記電池電流の変動がある、という条件を満たしたとき、前記差動増幅部の出力に基づいて電池の状態を検出する電池状態検出部と、を備え、
前記待機時間において、前記電池は、前記第1コンデンサと第2コンデンサのいずれからも切り離されている、電池状態検出装置。 - 前記サンプルホールド制御部は、前記条件を満たすまで、前記サンプルホールド処理を繰り返し実行することを特徴とする請求項1に記載の電池状態検出装置。
- 前記サンプルホールド制御部は、前記サンプルホールド処理中に、前記条件を満たさないと判断したときは、前記第1サンプルホールドからやり直すことを特徴とする請求項1に記載の電池状態検出装置。
- 車両に搭載され、
前記サンプルホールド制御部は、前記車両の停車に応じて、前記サンプルホールド処理を実行することを特徴とする請求項1〜3何れか1項に記載の電池状態検出装置。 - 前記サンプルホールド制御部は、前記サンプルホールド処理を実行する前に、前記第1コンデンサを用いて前記電池電圧の事前サンプルホールドを行うことを特徴とする請求項1〜4何れか1項に記載の電池状態検出装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017008368A JP6875866B2 (ja) | 2017-01-20 | 2017-01-20 | 電池状態検出装置 |
US15/825,285 US10627450B2 (en) | 2017-01-20 | 2017-11-29 | Battery state detection device |
DE102018200149.9A DE102018200149B4 (de) | 2017-01-20 | 2018-01-08 | Batteriezustands-Erfassungsvorrichtung |
CN201810060317.2A CN108333521B (zh) | 2017-01-20 | 2018-01-22 | 电池状态检测装置 |
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JP2017008368A JP6875866B2 (ja) | 2017-01-20 | 2017-01-20 | 電池状態検出装置 |
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JP2018116011A JP2018116011A (ja) | 2018-07-26 |
JP6875866B2 true JP6875866B2 (ja) | 2021-05-26 |
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US (1) | US10627450B2 (ja) |
JP (1) | JP6875866B2 (ja) |
CN (1) | CN108333521B (ja) |
DE (1) | DE102018200149B4 (ja) |
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WO2019182027A1 (ja) * | 2018-03-20 | 2019-09-26 | 本田技研工業株式会社 | 管理システム、プログラム、管理方法、及び、管理サーバ |
CN113125979A (zh) * | 2019-12-31 | 2021-07-16 | 华为技术有限公司 | 一种蓄电池内阻检测装置及方法 |
JP7086495B2 (ja) * | 2020-04-09 | 2022-06-20 | 矢崎総業株式会社 | 電池監視装置 |
JP2022049155A (ja) * | 2020-09-16 | 2022-03-29 | キオクシア株式会社 | メモリシステムおよび容量値の測定方法 |
CN114552707B (zh) * | 2022-02-14 | 2022-11-08 | 福建时代星云科技有限公司 | 一种提高电池检测准确性的方法及终端 |
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US6850037B2 (en) * | 1997-11-03 | 2005-02-01 | Midtronics, Inc. | In-vehicle battery monitor |
US7688074B2 (en) * | 1997-11-03 | 2010-03-30 | Midtronics, Inc. | Energy management system for automotive vehicle |
JP3791767B2 (ja) * | 2001-03-27 | 2006-06-28 | 株式会社デンソー | フライングキャパシタ式電圧検出回路 |
US7319304B2 (en) * | 2003-07-25 | 2008-01-15 | Midtronics, Inc. | Shunt connection to a PCB of an energy management system employed in an automotive vehicle |
JP4717582B2 (ja) * | 2005-10-07 | 2011-07-06 | シャープ株式会社 | 表示素子駆動回路およびこれを備える液晶表示装置、表示素子駆動方法 |
JP5228403B2 (ja) * | 2007-08-27 | 2013-07-03 | パナソニック株式会社 | 蓄電装置 |
JP5384039B2 (ja) * | 2008-06-16 | 2014-01-08 | 住友重機械工業株式会社 | 作業機械における蓄電器の内部抵抗の測定方法及び内部抵抗測定装置 |
JP4722976B2 (ja) * | 2008-08-26 | 2011-07-13 | 本田技研工業株式会社 | 蓄電容量制御装置 |
CN102576057A (zh) * | 2010-05-25 | 2012-07-11 | 松下电器产业株式会社 | 过电流检测电路及电池组件 |
JP5670851B2 (ja) * | 2011-09-26 | 2015-02-18 | 日立オートモティブシステムズ株式会社 | モータ制御装置および車両用制御装置 |
WO2013072927A2 (en) * | 2011-09-30 | 2013-05-23 | Kpit Cummins Infosystems Limited | System and method for battery monitoring |
JP5997458B2 (ja) * | 2012-02-22 | 2016-09-28 | ローム株式会社 | 回転制御装置及び方法、並びに、これを用いたディスク駆動装置 |
CN203299350U (zh) * | 2013-05-08 | 2013-11-20 | 山西大学 | 电池内阻在线测量仪 |
JP6211302B2 (ja) | 2013-05-09 | 2017-10-11 | 矢崎総業株式会社 | 電池状態検出装置 |
JP2015008614A (ja) * | 2013-06-26 | 2015-01-15 | 矢崎総業株式会社 | 電池状態検出装置 |
JP2015014563A (ja) * | 2013-07-08 | 2015-01-22 | 矢崎総業株式会社 | 電池状態検出装置 |
CN103760492A (zh) * | 2014-01-17 | 2014-04-30 | 三峡大学 | 一种变电站铅酸蓄电池在线性能测试方法 |
JP6279442B2 (ja) * | 2014-10-03 | 2018-02-14 | 矢崎総業株式会社 | 故障検出システム |
JP5883189B1 (ja) | 2015-07-29 | 2016-03-09 | 大王製紙株式会社 | 水解性シート |
US10666066B2 (en) | 2015-12-24 | 2020-05-26 | Yazaki Corporation | Differential voltage measurement device |
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2017
- 2017-01-20 JP JP2017008368A patent/JP6875866B2/ja active Active
- 2017-11-29 US US15/825,285 patent/US10627450B2/en active Active
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2018
- 2018-01-08 DE DE102018200149.9A patent/DE102018200149B4/de active Active
- 2018-01-22 CN CN201810060317.2A patent/CN108333521B/zh active Active
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US20180210032A1 (en) | 2018-07-26 |
US10627450B2 (en) | 2020-04-21 |
CN108333521A (zh) | 2018-07-27 |
DE102018200149B4 (de) | 2019-03-21 |
DE102018200149A1 (de) | 2018-07-26 |
JP2018116011A (ja) | 2018-07-26 |
CN108333521B (zh) | 2020-08-07 |
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