To provide a temperature control system which can reduce the size of a battery for vehicle driving.SOLUTION: A temperature control system 100 of a battery for vehicle driving includes a battery 10 for vehicle driving, a motor 40 for vehicle driving, a first radiator circuit 50, a power control unit (PCU) 30 having a driving circuit 32 driving the motor 40 for vehicle driving, a second radiator circuit 60, and a circulation circuit 70. When the battery 10 for vehicle driving is equal to or lower than a predetermined temperature, circulation of a medium in the first radiator circuit in the first radiation 58 is blocked with a first valve 51, circulation of a medium in the second radiator circuit in a second radiator 68 is blocked with a second valve 62, circulation of the media in the first radiator circuit and the second radiator circuit in the circulation circuit are permitted with third and fourth valves 73 and 74 and the driving circuit 32 is operated in a state in which power conversion efficiency of the driving circuit 32 is lowered.SELECTED DRAWING: Figure 1
【課題】 車両駆動用バッテリの小型化可能な温度制御システムを提供する。【解決手段】 車両駆動用バッテリの温度制御システム100は、車両駆動用バッテリ10と、車両駆動用モータ40と、第1のラジエータ回路50と、車両駆動用モータ40を駆動する駆動回路32を有するパワーコントロールユニット(PCU)30と、第2のラジエータ回路60と、循環回路70と、を備える。車両駆動用バッテリ10が所定温度以下である時に、第1のラジエータ回路内の媒体が第1のラジエータ58内を循環することを第1の弁51で阻止し、第2のラジエータ回路内の媒体が第2のラジエータ68内を循環することを第2の弁62で阻止し、第1のラジエータ回路及び第2のラジエータ回路内の媒体が循環回路内を循環することを第3及び第4の弁73,74で許可し、且つ、駆動回路32の電力変換効率を低下させた状態で駆動回路32を動作させる。【選択図】 図1
TEMPERATURE CONTROL SYSTEM OF BATTERY FOR VEHICLE DRIVING
車両駆動用バッテリの温度制御システム
2020-04-16
Patent
Electronic Resource
Japanese
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
POWER CONSUMPTION CONTROL SYSTEM FOR VEHICLE DRIVING BATTERY
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