VEHICLE CONTROL DEVICE

• Main Authors: NOZAKI YOSHINOBU, KITAHATA HIROTATSU, AKIMOTO KENSUKE, SHIOTA HIDETOMO
• Format: Patent
• Language: English; Japanese
• Published: 07.12.2015
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; BLASTING; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; LIGHTING; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; THERMAL INSULATION IN GENERAL; TRANSPORTING; VEHICLES IN GENERAL; WEAPONS

PROBLEM TO BE SOLVED: To suppress the degradation of oil used for cooling and lubrication in a vehicle.SOLUTION: A vehicle control device 1 comprises: a first motor generator 12 and a second motor generator 13; a power transmission mechanism 14 to which the first motor generator 12 and the second motor generator 13 are connected; a first oil pump 21 that supplies oil to the first motor generator 12 and the second motor generator 13; a second oil pump 22 that supplies the oil to the power transmission mechanism 14; an oil heater 24 that is provided between the power transmission mechanism 14 and the second oil pump 22 and heats the oil discharged from the second oil pump 22; a bypass passage 24d that avoids the heating of the oil by the oil heater 24; a bypass valve 24e that controls the degree of use of the bypass passage 24d; and an ECU 2 serving as oil temperature reduction means that reduces the temperature of the oil in the case of a closing failure of the bypass valve 24e. 【課題】車両内の冷却及び潤滑に用いるオイルの劣化を抑制する。【解決手段】車両制御装置１は、第一モータジェネレータ１２及び第二モータジェネレータ１３と、第一モータジェネレータ１２及び第二モータジェネレータ１３が接続される動力伝達機構１４と、第一モータジェネレータ１２及び第二モータジェネレータ１３にオイルを供給する第一オイルポンプ２１と、動力伝達機構１４にオイルを供給する第二オイルポンプ２２と、動力伝達機構１４と第二オイルポンプ２２との間に設けられ、第二オイルポンプ２２から吐出されたオイルを加熱するオイルヒーター２４と、オイルヒーター２４によるオイルの加熱を回避するバイパス路２４ｄと、バイパス路２４ｄの使用度合を制御するバイパス弁２４ｅと、バイパス弁２４ｅが閉故障した場合に、オイルの温度を低減させる油温低減手段としてのＥＣＵ２と、を備える。【選択図】図１