JP4993035B2 - 電気自動車およびその制御方法 - Google Patents
電気自動車およびその制御方法 Download PDFInfo
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- JP4993035B2 JP4993035B2 JP2011513188A JP2011513188A JP4993035B2 JP 4993035 B2 JP4993035 B2 JP 4993035B2 JP 2011513188 A JP2011513188 A JP 2011513188A JP 2011513188 A JP2011513188 A JP 2011513188A JP 4993035 B2 JP4993035 B2 JP 4993035B2
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- battery
- power
- down circuit
- secondary battery
- slave
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- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
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- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
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- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
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- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
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- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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Description
電動機からの動力を用いて走行する電気自動車であって、
少なくとも一つの二次電池を有する第1電池部と、
少なくとも一つの二次電池を有する第2電池部と、
前記第1電池部の二次電池に接続された第1電池電圧系と前記電動機側との間で電圧の調整を伴って電力のやりとりを行なう第1昇降圧回路と、
前記第2電池部の二次電池に接続された第2電池電圧系と前記電動機側との間で電圧の調整を伴って電力のやりとりを行なう第2昇降圧回路と、
シフトポジションが駐車ポジションにある駐車時には、前記第1昇降圧回路と前記第2昇降圧回路とが駆動停止するよう該第1昇降圧回路と該第2昇降圧回路とを制御する制御手段と、
を備えることを要旨とする。
走行用の動力を入出力する電動機と、少なくとも一つの二次電池を有する第1電池部と、少なくとも一つの二次電池を有する第2電池部と、前記第1電池部の二次電池に接続された第1電池電圧系と前記電動機側との間で電圧の調整を伴って電力のやりとりを行なう第1昇降圧回路と、前記第2電池部の二次電池に接続された第2電池電圧系と前記電動機側との間で電圧の調整を伴って電力のやりとりを行なう第2昇降圧回路と、を備える電気自動車の制御方法であって、
シフトポジションが駐車ポジションにある駐車時には、前記第1昇降圧回路と前記第2昇降圧回路とが駆動停止するよう該第1昇降圧回路と該第2昇降圧回路とを制御する、
ことを特徴とする。
Claims (7)
- 電動機からの動力を用いて走行する電気自動車であって、
少なくとも一つの二次電池を有する第1電池部と、
少なくとも一つの二次電池を有する第2電池部と、
前記第1電池部の二次電池に接続された第1電池電圧系と前記電動機側との間で電圧の調整を伴って電力のやりとりを行なう第1昇降圧回路と、
前記第2電池部の二次電池に接続された第2電池電圧系と前記電動機側との間で電圧の調整を伴って電力のやりとりを行なう第2昇降圧回路と、
シフトポジションが駐車ポジションにある駐車時には、前記第1昇降圧回路と前記第2昇降圧回路とが駆動停止するよう該第1昇降圧回路と該第2昇降圧回路とを制御し、前記駐車時でも前記第2電池部の二次電池の蓄電量の蓄電容量に対する割合である第2蓄電割合から前記第1電池部の二次電池の蓄電量の蓄電容量に対する割合である第1蓄電割合を減じて得られる蓄電割合差が所定値より大きいときには、前記蓄電割合差が前記所定値より小さい第2の所定値以下になるまで前記第2電池部の二次電池から前記第1電池電圧系に接続された機器に電力が供給されるよう前記第1昇降圧回路と前記第2昇降圧回路とを制御する制御手段と、
を備える電気自動車。 - 請求項1記載の電気自動車であって、
前記制御手段は、前記駐車時に前記第1電池部の二次電池から前記機器への電力供給によって前記蓄電割合差が前記所定値より大きくなったときには、前記蓄電割合差が前記第2の所定値以下になるまで前記第2電池部の二次電池から前記機器に電力が供給されるよう前記第1昇降圧回路と前記第2昇降圧回路とを制御する手段である、
電気自動車。 - 請求項1記載の電気自動車であって、
前記機器は、空調装置におけるエアコンプレッサ,前記第1電池電圧系と補機に電力を供給可能な補機用二次電池とに接続されたDC/DCコンバータのうち少なくとも一つを含むものである、
電気自動車。 - 電動機からの動力を用いて走行する電気自動車であって、
二次電池としての一つのメイン二次電池を有する第1電池部と、
二次電池としての複数の補助用二次電池を有する第2電池部と、
前記第1電池部の二次電池の前記電動機側への接続および接続の解除を行なう第1接続解除手段と、
前記第2電池部の二次電池の前記電動機側への接続および接続の解除を行なう第2接続解除手段と、
前記第1電池部の二次電池に接続された第1電池電圧系と前記電動機側との間で電圧の調整を伴って電力のやりとりを行なう第1昇降圧回路と、
前記第2電池部の二次電池に接続された第2電池電圧系と前記電動機側との間で電圧の調整を伴って電力のやりとりを行なう第2昇降圧回路と、
シフトポジションが駐車ポジションにある駐車時には、前記第1昇降圧回路と前記第2昇降圧回路とが駆動停止するよう該第1昇降圧回路と該第2昇降圧回路とを制御する制御手段と、
を備え、
前記制御手段は、前記メイン二次電池が前記電動機側に接続されるよう前記第1接続解除手段を制御すると共に前記複数の補助用二次電池が一つずつ順に切り替えられて前記電動機側に接続されるよう前記第2接続解除手段を制御する手段である、
電気自動車。 - 請求項1記載の電気自動車であって、
内燃機関と、
動力を入出力可能な発電機と、
前記内燃機関の出力軸と前記発電機の回転軸と車軸に連結された駆動軸との3軸に3つの回転要素が接続された遊星歯車機構と、
を備え、
前記第1昇降圧回路は、前記第1電池電圧系と前記発電機および前記電動機側との間で電圧の調整を伴って電力のやりとりを行ない、
前記第2昇降圧回路は、前記第2電池電圧系と前記発電機および前記電動機側との間で電圧の調整を伴って電力のやりとりを行なう、
電気自動車。 - 走行用の動力を入出力する電動機と、少なくとも一つの二次電池を有する第1電池部と、少なくとも一つの二次電池を有する第2電池部と、前記第1電池部の二次電池に接続された第1電池電圧系と前記電動機側との間で電圧の調整を伴って電力のやりとりを行なう第1昇降圧回路と、前記第2電池部の二次電池に接続された第2電池電圧系と前記電動機側との間で電圧の調整を伴って電力のやりとりを行なう第2昇降圧回路と、を備える電気自動車の制御方法であって、
シフトポジジョンが駐車ポジションにある駐車時には、前記第1昇降圧回路と前記第2昇降圧回路とが駆動停止するよう該第1昇降圧回路と該第2昇降圧回路とを制御し、前記駐車時でも前記第2電池部の二次電池の蓄電量の蓄電容量に対する割合である第2蓄電割合から前記第1電池部の二次電池の蓄電量の蓄電容量に対する割合である第1蓄電割合を減じて得られる蓄電割合差が所定値より大きいときには、前記蓄電割合差が前記所定値より小さい第2の所定値以下になるまで前記第2電池部の二次電池から前記第1電池電圧系に接続された機器に電力が供給されるよう前記第1昇降圧回路と前記第2昇降圧回路とを制御する、
ことを特徴とする電気自動車の制御方法。 - 請求項7記載の電気自動車の制御方法であって、
前記駐車時に前記第1電池部の二次電池から前記機器への電力供給によって前記蓄電割合差が前記所定値より大きくなったときには、前記蓄電割合差が前記第2の所定値以下になるまで前記第2電池部の二次電池から前記機器に電力が供給されるよう前記第1昇降圧回路と前記第2昇降圧回路とを制御する、
ことを特徴とする電気自動車の制御方法。
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