JPWO2010109956A1 - 蓄電装置 - Google Patents
蓄電装置 Download PDFInfo
- Publication number
- JPWO2010109956A1 JPWO2010109956A1 JP2011505917A JP2011505917A JPWO2010109956A1 JP WO2010109956 A1 JPWO2010109956 A1 JP WO2010109956A1 JP 2011505917 A JP2011505917 A JP 2011505917A JP 2011505917 A JP2011505917 A JP 2011505917A JP WO2010109956 A1 JPWO2010109956 A1 JP WO2010109956A1
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- Prior art keywords
- power storage
- battery
- state
- charge
- unit
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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
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- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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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
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- 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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- 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
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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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
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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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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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
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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- Y02T10/72—Electric energy management in electromobility
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T90/10—Technologies relating to charging of electric vehicles
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
Description
本発明の他の目的、特徴及び利点は添付図面に関する以下の本発明の実施例の記載から明らかになるであろう。
SOC=MAP(OCV) …(2)
OCV:電池部110の起電力
CCV:電圧計測部160の計測信号から取得した電池部110の端子間
電圧
I:無負荷時又は充放電時の電流計測部170の計測信号から取得し
た電池部110の電流
R:予め求めて状態検知部131に記憶させた或いはリアルタイムに
求めた電池部110の内部抵抗
Vp:分極電圧
SOC0:SOCの初期値
Q:電池111の満充電時の容量
I:電流計測部170の計測信号から取得した電池部110の電流
最高SOC=MAX(SOC1,SOC2,・・・,SOCN) …(5)
最低SOC=MIN(SOC1,SOC2,・・・,SOCN) …(6)
…(7)
ΔSOC2=(平均SOC−最低SOC)/|SOCinit−平均SOC|
…(8)
…(9)
ΔSOC2=(最高SOC−平均SOC)/|SOCinit−平均SOC|
…(10)
×|SOCinit−SOCmodule| …(11)
予測最低SOC=SOCmodule−ΔSOC2
×|SOCinit−SOCmodule| …(12)
×|SOCinit−SOCmodule| …(13)
予測最低SOC=SOCmodule−ΔSOC1
×|SOCinit−SOCmodule| …(14)
…(15)
予測最低SOC2=予測最低SOC−(SOCinitave−SOCinitmin)
…(16)
予測最高SOC及び予測最低SOC:充電状態に応じて変更される変数
SOCinitmax−SOCinitave及びSOCinitave−SOCinitmin:充電状態に応じて変更されない定数
Idmax=(OCV−Vmin)/Rz …(18)
Vmax:電池111の上限電圧
Vmin:電池111の下限電圧
Rz:電池111の等価インピーダンス
IcmaxSOCmodule) …(19)
Idmax2=MIN(IdmaxSOCmax,IdmaxSOCmin,
IdmaxSOCmodule) …(20)
SOCinit_last2=|SOCinit2−SOClast2|
SOCinit_lastN=|SOCinitN−SOClastN|
…(21)
・・・SOCinit_lastN)/N …(22)
ΔSOCinit_last2=SOCinit_last2/SOCinit_last_ave
ΔSOCinit_lastN=SOCinit_lastN/SOCinit_last_ave
…(23)
×(SOCmodule_cur−SOCmodule_init)
予測SOC2=SOCinit2+ΔSOCinit_last2
×(SOCmodule_cur−SOCmodule_init)
予測SOCN=SOCinitN+ΔSOCinit_lastN
×(SOCmodule_cur−SOCmodule_init)
…(24)
予測SOCN) …(25)
予測最低SOC=MIN(予測SOC1,予測SOC2,…,
予測SOCN) …(26)
上記記載は、実施例についてなされたが、本発明はそれに限らず、本発明の精神と添付の請求の範囲の範囲内で種々の変更および修正をすることができることは当業者に明らかである。
Claims (21)
- 電気的に接続された複数の蓄電器を備えた蓄電部と、
前記複数の蓄電器のそれぞれの状態を計測する第1制御部と、
前記蓄電部の状態を計測する計測部と、
前記蓄電部の状態を管理及び制御する第2制御部と、を有し、
前記第2制御部は、前記蓄電部が負荷から切り離された無負荷状態において前記第1制御部が計測した、前記複数の蓄電器のそれぞれの計測状態情報を取り込み、前記複数の蓄電器の充電状態のばらつき情報を求めると共に、前記蓄電部が負荷に接続されて充放電されている負荷状態において前記蓄電部の充放電の制御に必要となる許容充放電情報を、前記計測部から出力された、前記蓄電部の計測状態情報、及び前記充電状態のばらつき情報を含む複数の情報に基づいて求めて出力する、
蓄電装置。 - 請求項1に記載の蓄電装置において、
前記第2制御部は、前記蓄電部が負荷から切り離された無負荷状態において前記第1制御部が計測した、前記複数の蓄電器のそれぞれの端子間電圧を取り込んで、前記複数の蓄電器のそれぞれの充電状態を求め、前記複数の蓄電器のそれぞれの充電状態に基づいて前記充電状態のばらつき情報を求める、
蓄電装置。 - 請求項2に記載の蓄電装置において、
前記第2制御部は、前記充電状態のばらつき情報を、前記複数の蓄電器の個体差或いは劣化ばらつきに対応した係数として保持し、前記蓄電部の充放電によって生じる前記複数の蓄電器の充電状態のばらつきを前記係数に基づいて予測する、
蓄電装置。 - 請求項3に記載の蓄電装置において、
前記第2制御部は、前記複数の蓄電器の充電状態のばらつきの予測結果を、前記蓄電部の無負荷又は充放電時における平均的な充電状態に付加して、前記蓄電部における予測最高充電状態又は予測最低充電状態を求める、
蓄電装置。 - 請求項3に記載の蓄電装置において、
前記第2制御部は、少なくとも前記計測部によって計測された前記蓄電部の電流情報、車速情報、イグニッションキースイッチ情報、リレーの開閉状態のいずれかの情報に基づいて、車両が走行中又は前記蓄電部が無負荷状態であるか否かを判断する、
蓄電装置。 - 請求項5に記載の蓄電装置において、
前記第2制御部は、前記無負荷状態において、前記複数の蓄電器の充電状態のばらつきの予測が終了する前に、少なくとも前記計測部によって計測された前記蓄電部の電流情報、車速情報、イグニッションキースイッチ情報、リレーの開閉状態のいずれかの情報に基づいて、前記車両が走行中であると判断した場合または、前記蓄電部が無負荷状態ではないと判断した場合には、前記複数の蓄電器の充電状態のばらつきの予測を停止する、
蓄電装置。 - 請求項5に記載の蓄電装置において、
前記第2制御部は、前記無負荷状態において、前記複数の蓄電器の充電状態のばらつきの予測が終了する前に、少なくとも前記計測部によって計測された前記蓄電部の電流情報、車速情報、イグニッションキースイッチ情報、リレーの開閉状態のいずれかの情報に基づいて、前記車両が走行中であると判断した場合には、前記複数の蓄電器の充電状態のばらつきの予測が終了するまで前記蓄電部の充放電を禁止する、
蓄電装置。 - 請求項4に記載の蓄電装置において、
前記第2制御部は、前記予測最高充電状態が前記蓄電部の使用上限充電状態に到達した場合には前記蓄電部の充電を制限し、前記予測最低充電状態が前記蓄電部の使用下限充電状態に到達した場合には前記蓄電部の放電を制限する、
蓄電装置。 - 請求項4に記載の蓄電装置において、
前記第2制御部は、前記予測最高充電状態に基づいて前記蓄電部の許容充電電流又は許容充電電力を求め、前記予測最低充電状態に基づいて前記蓄電部の許容放電電流又は許容放電電力を求める、
蓄電装置。 - 請求項8に記載の蓄電装置において、
前記第2制御部は、前記予測最高充電状態に基づいて前記蓄電部の許容充電電流又は許容充電電力を求め、前記予測最低充電状態に基づいて前記蓄電部の許容放電電流又は許容放電電力を求める、
蓄電装置。 - 請求項4に記載の蓄電装置において、
前記第2制御部は、前記予測最高充電状態、前記予測最低充電状態、及び前記蓄電部の平均充電状態のそれぞれを基準とした許容充放電電流又は許容充放電電力を求め、それらのうちの最も小さい許容充放電電流又は許容充放電電力を、最終的な許容充放電電流又は許容充放電電力として選択する、
蓄電装置。 - 請求項8に記載の蓄電装置において、
前記第2制御部は、前記予測最高充電状態、前記予測最低充電状態、及び前記蓄電部の平均充電状態のそれぞれを基準とした許容充放電電流又は許容充放電電力を求め、それらのうちの最も小さい許容充放電電流又は許容充放電電力を、最終的な許容充放電電流又は許容充放電電力として選択する、
蓄電装置。 - 請求項2に記載の蓄電装置において、
前記第2制御部は、前記充電状態のばらつき情報が、前記充電状態のばらつき情報に対する閾値を超えた場合には、前記蓄電器の個体差異常であると判断する、
蓄電装置。 - 請求項2に記載の蓄電装置において、
前記第2制御部は、前記蓄電部に異常があると判断した場合、外部の通知手段からその異常が車両の運転者或いは作業者に通知されるように、前記通知手段による異常通知を制御するための指令信号を出力する、
蓄電装置。 - 請求項13に記載の蓄電装置において、
前記第2制御部は、前記蓄電部に異常があると判断した場合、外部の通知手段からその異常が車両の運転者或いは作業者に通知されるように、前記通知手段による異常通知を制御するための指令信号を出力する、
蓄電装置。 - 請求項14に記載の蓄電装置において、
前記通知手段は、車両の室内に設置され、前記蓄電部を示す画像シンボル及び前記蓄電部のSOHが表示される表示装置であり、
前記第2制御部は、前記蓄電部が異常であると判断した場合、前記表示装置に表示される前記SOHの表示が異常と表示されるように、前記指令信号を出力する、
蓄電装置。 - 請求項15に記載の蓄電装置において、
前記通知手段は、車両の室内に設置され、前記蓄電部を示す画像シンボル及び前記蓄電部のSOHが表示される表示装置であり、
前記第2制御部は、前記蓄電部が異常であると判断した場合、前記表示装置に表示される前記SOHの表示が異常と表示されるように、前記指令信号を出力する、
蓄電装置。 - 請求項1に記載の蓄電装置において、
前記蓄電器として、車両における前記蓄電部の充電状態使用範囲の上限充電状態と下限充電状態との間の領域における起電力の変化が、前記上限充電状態と前記下限充電状態との間から外れる領域における起電力の変化よりも緩やかな特性を有する蓄電器を用いた場合、前記第2制御部は、前記蓄電部の充電状態が、前記上限充電状態と前記下限充電状態との間から外れる領域に調整されるように、前記蓄電部を充放電させるための指令信号を出力する、
蓄電装置。 - 請求項14に記載の蓄電装置において、
前記第2制御部は、前記蓄電器が過充電,過放電,過温度,容量或いは入力性能若しくは出力性能の低下異常,前記個体差異常のいずれかの異常が生じた場合、前記指令信号を出力する、
蓄電装置。 - 請求項15に記載の蓄電装置において、
前記第2制御部は、前記蓄電器が過充電,過放電,過温度,容量或いは入力性能若しくは出力性能の低下異常,前記個体差異常のいずれかの異常が生じた場合、前記指令信号を出力する、
蓄電装置。 - 電気的に接続された複数の蓄電器を備えた蓄電部と、
前記複数の蓄電器のそれぞれの状態を計測する第1制御部と、
前記蓄電部の状態を計測する計測部と、
前記蓄電部の状態を管理及び制御する第2制御部と、を有し、
前記第2制御部は、前記蓄電部が負荷から切り離された無負荷状態のとき、前記第1制御部が計測した、前記複数の蓄電器のそれぞれの計測状態情報を取り込み、前記複数の蓄電器の個体差或いは劣化差に基づく前記複数の蓄電器の充電状態のばらつき情報を求め、前記蓄電部が負荷に接続されて充放電されている負荷状態のとき、前記複数の蓄電器の個体差或いは劣化差に基づく前記複数の蓄電器の充電状態のばらつき情報を、前記無負荷状態の時に求めた前記充電状態のばらつき情報に基づいて予測し、この予測した充電状態のばらつき情報、及び前記計測部から出力された、前記蓄電部の計測状態情報を含む複数の情報に基づいて、前記蓄電部の充放電の制御に必要となる許容充放電情報を求めて出力する、
蓄電装置。
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US8798832B2 (en) | 2014-08-05 |
US20110313613A1 (en) | 2011-12-22 |
WO2010109956A1 (ja) | 2010-09-30 |
JP5301657B2 (ja) | 2013-09-25 |
EP2413420B1 (en) | 2018-11-21 |
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EP2413420A1 (en) | 2012-02-01 |
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