JP2018191496A - バッテリデバイス及びバッテリ保護方法 - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000007726 management method Methods 0.000 claims description 33
- 238000007599 discharging Methods 0.000 claims description 9
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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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
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- H02J7/0022—
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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
-
- 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
-
- 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
- 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
- H01M10/443—Methods for charging or discharging in response to temperature
-
- 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
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/581—Devices or arrangements for the interruption of current in response to temperature
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
-
- H02J7/0026—
-
- 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
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H02J7/0091—
-
- 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
- H01M2200/10—Temperature sensitive devices
- H01M2200/103—Fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- 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)
- General Chemical & Material Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Protection Of Static Devices (AREA)
Abstract
Description
VC=(1+R1/R2)VD (1)
DCIR50%=(Vpack_50A−Vpack_50B)/Icharge50 (2)
110…バッテリ管理回路
111…バッテリ保護電路
120…補助バッテリ管理回路
130…保護装置
131…充電スイッチ
132…放電スイッチ
133…感知抵抗
140…バッテリモジュール
140A〜140D…バッテリセル
Vref…基準電圧
Q1…トランジスタ
D1…ダイオード
D2…ショットキーダイオード
R1,R2…抵抗
C1…キャパシタ
A,B,C,D,E…ノード
P+…正入力端子
P−…負出力端子
SMBus_Clock…バスクロック信号
SMBus_Data…バスデータ信号
Battery_ID…バッテリ識別コード
System_ID…システム識別コード
410〜430…工程
Claims (10)
- バッテリデバイスであって、
1つ以上のバッテリセルを備えるバッテリモジュールと、
保護装置と、
前記保護装置を管理し、前記バッテリモジュールを充放電するバッテリ管理回路と、
前記バッテリデバイスが充電モードである場合、前記バッテリモジュールの直流内部抵抗(DCIR)を定期的にチェック及び計算し、前記バッテリモジュールの現在の動作温度と、前記現在の動作温度に対応する温度範囲を決定するバッテリ保護回路と、を備え、
前記バッテリ保護回路は、前記DCIRが前記温度範囲に対応する第1閾値の所定の倍数よりも大きいと判別した場合、前記バッテリ管理回路に対して、前記保護装置を遮断するように通知する、バッテリデバイス。 - 前記バッテリ管理回路は、前記バッテリモジュールのバッテリレベルを判別し、前記判別されたバッテリレベルに従って、前記バッテリモジュールに供給される充電電流を判別し、
前記バッテリ保護回路は、所定時間内に前記充電電流が前記バッテリモジュールに供給される前の前記バッテリモジュールの第1電圧と、前記所定時間内に前記充電電流が前記バッテリモジュールに供給された後の前記バッテリモジュールの第2電圧と、を検出し、前記第1電圧と前記第2電圧との差分値を前記充電電流で除算することによって、前記バッテリモジュールの前記DCIRを計算する、請求項1のバッテリデバイス。 - 前記バッテリレベルは、50%又は100%である、請求項2のバッテリデバイス。
- 前記現在の動作温度に対して第1温度範囲、第2温度範囲及び第3温度範囲が定められ、前記第1温度範囲、前記第2温度範囲及び前記第3温度範囲の各々に対応する前記所定の倍数は、第1の倍数、第2の倍数及び第3の倍数である、請求項1のバッテリデバイス。
- 前記第1温度範囲、前記第2温度範囲及び前記第3温度範囲の各々は、0〜15℃、16〜35℃及び36〜60℃であって、前記現在の動作温度が前記第3温度範囲を超える場合、前記バッテリ管理回路は、前記保護装置を直接遮断する、請求項4のバッテリデバイス。
- バッテリデバイスに用いるバッテリ保護方法であって、前記バッテリデバイスは、バッテリモジュールと、保護装置と、バッテリ管理回路と、バッテリ保護回路と、を備え、前記方法は、
前記バッテリデバイスが充電モードである場合に前記バッテリ保護回路を用いて、
直流内部抵抗を定期的にチェック及び計算する工程と、
前記バッテリモジュールの現在の動作温度及び前記現在の動作温度に対応する温度範囲を決定する工程と、
前記バッテリ保護回路が、前記DCIRが前記温度範囲に対応する第1閾値の所定の倍数よりも大きいと判別した場合に、前記保護装置を遮断するように前記バッテリ管理回路に通知する工程と、を含む、
バッテリ保護方法。 - 前記バッテリモジュールのバッテリレベルを判別する工程と、
前記判別されたバッテリレベルに従って、前記バッテリモジュールに供給される充電電流を判別する工程と、
前記バッテリ保護回路を用いて、所定時間内に前記充電電流が前記バッテリモジュールに供給される前の前記バッテリモジュールの第1電圧と、前記所定時間内に前記充電電流が前記バッテリモジュールに供給された後の前記バッテリモジュールの第2電圧と、を検出し、前記第1電圧と前記第2電圧との差分値を前記充電電流で除算することによって、前記バッテリモジュールの前記DCIRを計算する工程と、を含む、
請求項6のバッテリ保護方法。 - 前記バッテリレベルは、50%又は100%である、請求項7のバッテリ保護方法。
- 前記現在の動作温度に対して第1温度範囲、第2温度範囲及び第3温度範囲が定められ、前記第1温度範囲、前記第2温度範囲及び前記第3温度範囲の各々に対応する前記所定の倍数は、第1の倍数、第2の倍数及び第3の倍数である、請求項6のバッテリ保護方法。
- 前記第1温度範囲、前記第2温度範囲及び前記第3温度範囲の各々は、0〜15℃、16〜35℃及び36〜60℃であって、前記現在の動作温度が前記第3温度範囲を超える場合、前記バッテリ管理回路は、前記保護装置を直接遮断する工程をさらに含む、請求項9のバッテリ保護方法。
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TW106114241A TWI627808B (zh) | 2017-04-28 | 2017-04-28 | 電池裝置及電池保護方法 |
TW106114241 | 2017-04-28 |
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JP6716528B2 JP6716528B2 (ja) | 2020-07-01 |
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US (1) | US10298031B2 (ja) |
EP (1) | EP3396808B1 (ja) |
JP (1) | JP6716528B2 (ja) |
KR (1) | KR102049148B1 (ja) |
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CN109786876A (zh) * | 2019-01-28 | 2019-05-21 | 深圳市道通智能航空技术有限公司 | 一种充电方法、装置及充电设备、充电系统 |
CN110176643B (zh) * | 2019-05-14 | 2021-12-17 | 上海摩软通讯技术有限公司 | 一种充电方法、供电方法、电源管理设备及终端设备 |
KR20210039705A (ko) * | 2019-10-02 | 2021-04-12 | 주식회사 엘지화학 | 병렬 연결 셀의 연결 고장 검출 방법 및 시스템 |
TWI744721B (zh) * | 2019-11-19 | 2021-11-01 | 廣達電腦股份有限公司 | 電池裝置及其控制方法 |
CN111146837A (zh) * | 2019-12-31 | 2020-05-12 | Oppo广东移动通信有限公司 | 充电方法及装置、电子设备、存储介质 |
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JP7477405B2 (ja) * | 2020-09-14 | 2024-05-01 | 株式会社マキタ | 充電器 |
KR102652768B1 (ko) * | 2021-03-29 | 2024-04-01 | 엘에스일렉트릭(주) | 배터리 보호 장치 및 그 배터리 보호 장치의 제어 방법 |
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US10298031B2 (en) | 2019-05-21 |
EP3396808A1 (en) | 2018-10-31 |
JP6716528B2 (ja) | 2020-07-01 |
CN108808759B (zh) | 2020-05-12 |
US20180316200A1 (en) | 2018-11-01 |
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