JP2021083300A - 電池装置及びその制御方法 - Google Patents
電池装置及びその制御方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 89
- 238000012545 processing Methods 0.000 claims abstract description 153
- 238000007600 charging Methods 0.000 claims abstract description 74
- 238000001514 detection method Methods 0.000 claims description 46
- 238000010280 constant potential charging Methods 0.000 claims description 13
- 238000013459 approach Methods 0.000 claims description 7
- 244000144972 livestock Species 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000007599 discharging Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- BPKGOZPBGXJDEP-UHFFFAOYSA-N [C].[Zn] Chemical compound [C].[Zn] BPKGOZPBGXJDEP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- H—ELECTRICITY
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- 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
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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- G—PHYSICS
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- 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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- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- 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
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- H—ELECTRICITY
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- 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
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- H02J7/00308—Overvoltage 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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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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- H—ELECTRICITY
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- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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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
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- H02J7/007—Regulation of charging or discharging current or voltage
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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
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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
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
-
- 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
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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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- 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
- G01R19/1659—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 to indicate that the value is within or outside a predetermined range of values (window)
- G01R19/16595—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 to indicate that the value is within or outside a predetermined range of values (window) with multi level indication
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- H—ELECTRICITY
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- 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
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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
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- General Chemical & Material Sciences (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
Description
電流係数×温度係数×サイクル数=放電深度(DOD) (1)
101…処理ユニット
102…蓄電池ユニット
103…電流検知ユニット
104…温度検知ユニット
105…ストレージユニット
200…電圧調整装置
300…負荷
400…制御方法
401〜423…ステップ
500…制御方法
501〜523…ステップ
800…電力システム
803…システム制御ユニット
803a…スイッチング装置
803b…電圧調整装置
810…AC/DC変換装置
900…AC電力
V1…DC電圧
S1…第1検知信号
S2…第2検知信号
Io…負荷電流
Claims (10)
- 電池装置であって、
蓄電池ユニットと、
前記蓄電池ユニット及び負荷に接続された電流検知ユニットであって、負荷電流を検出する電流検知ユニットと、
前記蓄電池ユニットの電池温度を測定するように構成された温度検知ユニットと、
前記蓄電池ユニットのサイクル数、複数の閾値間隔及び複数の充電電圧値を記憶するように構成されたストレージユニットであって、前記複数の閾値間隔の各々は、前記複数の充電電圧値の各々に対応するストレージユニットと、
前記蓄電池ユニット及び前記ストレージユニットに接続された処理ユニットであって、前記負荷電流及び前記電池温度を受け取るように構成された処理ユニットと、を備え、
前記処理ユニットは、放電記録処理を実行するように構成されており、
前記放電記録処理は、
前記負荷電流、前記電池温度及び前記サイクル数に基づいて蓄電池ユニットの放電深度(DOD)を取得するステップと、
前記処理ユニットが前記負荷電流、前記電池温度及び前記DODを取得する毎に、前記処理ユニットが、前記負荷電流、前記電池温度及び前記DODを前記ストレージユニットに記憶するステップと、を含み、
前記処理ユニットは、充電処理を実行するように構成されており、
前記充電処理は、
前記ストレージユニットから前記複数のDODの最大値を取得するステップと、
前記複数の閾値間隔のうち前記最大値を含む閾値間隔を作業閾値間隔として特定するステップと、
前記作業閾値間隔に対応する前記充電電圧値をメイン充電値として選択するステップと、
前記メイン充電値と等しいDC電圧を用いて前記蓄電池ユニットの定電圧充電を実行するステップと、を含む、電池装置。 - 前記処理ユニットは電圧調整装置に接続されており、前記処理ユニットは、前記畜電池ユニットの定電圧充電を行うための前記DC電圧を供給するように前記電圧調整装置を制御する、請求項1に記載の電池装置。
- 前記蓄電池ユニットの電池電圧が誤差範囲内で前記メイン充電値に近づいたと前記処理ユニットが検出した場合に、前記処理ユニットは、前記充電処理を停止し、前記ストレージユニット内の前記サイクル数を増加させる、請求項2に記載の電池装置。
- 前記処理ユニットは、前記蓄電池ユニットの相対充電率が3%を超えると判別した場合に、前記放電記録処理を実行する、請求項3に記載の電池装置。
- 前記処理ユニットは、前記蓄電池ユニットの相対充電率が3%未満である(又は、これと等しい)ことを判別した場合に、前記放電記録処理を停止し、前記充電処理を実行する、請求項3に記載の電池装置。
- 蓄電池ユニットの制御方法であって、
前記負荷電流を検出するステップと、
前記蓄電池ユニットの電池温度を検出するステップと、
前記蓄電池ユニットのサイクル数、複数の閾値間隔及び複数の充電電圧値を記憶するステップであって、前記複数の閾値間隔の各々は、前記複数の充電電圧値の各々に対応する、ステップと、
放電記録処理を実行するステップと、
充電処理を実行するステップと、を含み、
前記放電記録処理を実行するステップは、
前記負荷電流を受け取ってストレージユニットに記憶するステップと、
前記電池温度を受け取ってストレージユニットに記憶するステップと、
前記負荷電流及び前記電池温度を取得する毎に前記負荷電流及び前記電池温度を前記ストレージユニットに記憶して、複数の負荷電流及び複数の電池温度を生成するステップと、を含み、
前記充電処理を実行するステップは、
前記ストレージユニットから前記複数の負荷電流の最大値を取得するステップと、
前記ストレージユニットから前記複数の電池温度の最大値を取得するステップと、
前記複数の負荷電流の前記最大値、前記複数の電池温度の前記最大値及び前記サイクル数に基づいて、前記蓄電池ユニットの放電深度(DOD)を算出するステップと、
前記複数の閾値間隔のうち前記DODを含む閾値間隔を作業閾値間隔として特定するステップと、
前記作業閾値間隔に対応する前記充電電圧値をメイン充電値として選択するステップと、
前記メイン充電値と等しいDC電圧を用いて前記蓄電池ユニットの定電圧充電を実行するステップと、を含む、制御方法。 - 前記蓄電池ユニットの電池電圧が誤差範囲内で前記メイン充電値に近づいた場合に、前記充電処理が停止され、前記ストレージユニット内の前記サイクル数が増加される、請求項6に記載の制御方法。
- 前記蓄電池ユニットの相対充電率が3%を超える場合に、前記放電記録処理が実行される、請求項7に記載の制御方法。
- 前記蓄電池ユニットの相対充電率が3%以下である場合に、前記放電記録処理が停止され、前記充電処理が実行される、請求項7に記載の制御方法。
- 前記制御方法は、前記蓄電池ユニットを含む電池装置によって実行される、請求項6に記載の制御方法。
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JP2022051491A (ja) * | 2020-09-18 | 2022-03-31 | 廣達電腦股▲ふん▼有限公司 | スマートバッテリデバイス及びその操作方法 |
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JP6698909B1 (ja) * | 2019-04-09 | 2020-05-27 | 三菱電機株式会社 | 車載電子制御装置 |
US20230229225A1 (en) * | 2022-01-18 | 2023-07-20 | Dell Products L.P. | Intelligent battery discharge control to support environmental extremes |
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