JP2020071962A - 電子機器及びその制御方法 - Google Patents
電子機器及びその制御方法 Download PDFInfo
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- JP2020071962A JP2020071962A JP2018204352A JP2018204352A JP2020071962A JP 2020071962 A JP2020071962 A JP 2020071962A JP 2018204352 A JP2018204352 A JP 2018204352A JP 2018204352 A JP2018204352 A JP 2018204352A JP 2020071962 A JP2020071962 A JP 2020071962A
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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
-
- 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
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
-
- 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
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
-
- 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
- G01R31/3828—Arrangements for monitoring battery or accumulator variables, e.g. SoC using current integration
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M10/44—Methods for charging or discharging
-
- 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
-
- 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
- H01M10/445—Methods for charging or discharging in response to gas pressure
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Human Computer Interaction (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Electrophonic Musical Instruments (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
Description
以下に、本発明の第1実施形態に係る電子機器ついて説明する。
図1は、第1実施形態に係る電子機器100の概略構成を例示する図である。
次に、CPU206及び制御部306で実現される機能について説明する。
次に、満充電検出部309による満充電検出動作についてより詳細に説明する。
次に、安定検出部310による安定検出動作についてより詳細に説明する。図5は、安定検出動作を説明するフローチャートである。
次に、リチウムイオン電池301の状態判定に係る一連の動作をより詳細に説明する。
図7は、リチウムイオン電池301の変形量の時間変化及び歪み検出タイミングを例示するグラフである。
200 本体部
206 CPU
208 状態判定部
209 充電制御部
300 電池部
301 リチウムイオン電池
302 歪み検出部(変形量検出部)
303 電圧検出部
304 電流検出部
305 温度検出部
306 制御部
309 満充電検出部
310 安定検出部
311 変形量取得部
400 充電器
Claims (7)
- リチウムイオン電池と、
前記リチウムイオン電池の変形量を検出する変形量検出部と、
前記リチウムイオン電池の満充電を検出する満充電検出部と、
前記満充電検出部により満充電が検出された後、安定状態を検出する安定検出部と、
前記安定検出部により前記安定状態が検出された場合に前記変形量検出部により検出された前記変形量を用いて前記リチウムイオン電池の状態判定を行う状態判定部と、
を有する電子機器。 - 前記安定検出部は、電圧変化率と、満充電後の電流積算容量とがそれぞれ所定の閾値未満となった場合に前記安定状態と判定する請求項1に記載の電子機器。
- 前記状態判定部は、前記変形量の大きさが所定の閾値を超えた場合に異常状態と判定する請求項1又は2に記載の電子機器。
- 前記状態判定部は、前記安定状態が検出された場合に前記変形量検出部により検出された1つの前記変形量を初期値として記録しておき、前記初期値に基づいて前記閾値を決定する請求項3に記載の電子機器。
- 前記状態判定部は、前記変形量の大きさに加えて、前記変形量の時間変化率に基づいて前記状態判定を行う請求項3又は4に記載の電子機器。
- 前記変形量検出部は、歪みゲージ又は圧力センサである請求項1ないし5いずれか1項に記載の電子機器。
- リチウムイオン電池と、前記リチウムイオン電池の変形量を検出する変形量検出部とを有する電子機器の制御方法において、
前記リチウムイオン電池の満充電を検出する満充電検出ステップと、
前記満充電が検出された後、安定状態を検出する安定検出ステップと、
前記安定状態が検出された場合に前記変形量検出部により検出された前記変形量を用いて前記リチウムイオン電池の状態判定を行う状態判定ステップと、
を有する電子機器の制御方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018204352A JP7111969B2 (ja) | 2018-10-30 | 2018-10-30 | 電子機器及びその制御方法 |
US16/559,892 US11038215B2 (en) | 2018-10-30 | 2019-09-04 | Electronic apparatus and control method thereof |
EP19196973.2A EP3648236A1 (en) | 2018-10-30 | 2019-09-12 | Electronic apparatus and control method thereof |
KR1020190124585A KR20200049524A (ko) | 2018-10-30 | 2019-10-08 | 전자기기 및 그 제어 방법 |
CN201910979488.XA CN111129617A (zh) | 2018-10-30 | 2019-10-15 | 电子设备及其控制方法 |
TW108138238A TWI809214B (zh) | 2018-10-30 | 2019-10-23 | 電子機器以及電子機器的控制方法 |
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JP2018204352A JP7111969B2 (ja) | 2018-10-30 | 2018-10-30 | 電子機器及びその制御方法 |
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JP2020071962A true JP2020071962A (ja) | 2020-05-07 |
JP7111969B2 JP7111969B2 (ja) | 2022-08-03 |
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JP2018204352A Active JP7111969B2 (ja) | 2018-10-30 | 2018-10-30 | 電子機器及びその制御方法 |
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US (1) | US11038215B2 (ja) |
EP (1) | EP3648236A1 (ja) |
JP (1) | JP7111969B2 (ja) |
KR (1) | KR20200049524A (ja) |
CN (1) | CN111129617A (ja) |
TW (1) | TWI809214B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020136149A (ja) * | 2019-02-22 | 2020-08-31 | ミツミ電機株式会社 | 電子機器及びその状態判定方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112098864B (zh) * | 2020-09-25 | 2023-10-20 | Oppo广东移动通信有限公司 | 漏电流检测方法、装置、电子设备和存储介质 |
TWI782661B (zh) * | 2021-08-12 | 2022-11-01 | 仁寶電腦工業股份有限公司 | 電池偵測裝置 |
CN114562935A (zh) * | 2022-03-21 | 2022-05-31 | 绵阳旭立辰科技有限公司 | 直流充电枪碾压检测装置及其应用方法 |
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2018
- 2018-10-30 JP JP2018204352A patent/JP7111969B2/ja active Active
-
2019
- 2019-09-04 US US16/559,892 patent/US11038215B2/en active Active
- 2019-09-12 EP EP19196973.2A patent/EP3648236A1/en active Pending
- 2019-10-08 KR KR1020190124585A patent/KR20200049524A/ko not_active Application Discontinuation
- 2019-10-15 CN CN201910979488.XA patent/CN111129617A/zh active Pending
- 2019-10-23 TW TW108138238A patent/TWI809214B/zh active
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JP7244746B2 (ja) | 2019-02-22 | 2023-03-23 | ミツミ電機株式会社 | 電子機器及びその状態判定方法 |
Also Published As
Publication number | Publication date |
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CN111129617A (zh) | 2020-05-08 |
EP3648236A1 (en) | 2020-05-06 |
KR20200049524A (ko) | 2020-05-08 |
TW202016557A (zh) | 2020-05-01 |
US11038215B2 (en) | 2021-06-15 |
TWI809214B (zh) | 2023-07-21 |
JP7111969B2 (ja) | 2022-08-03 |
US20200136200A1 (en) | 2020-04-30 |
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