To provide a novel and improved vehicle power system which can control power generation for collecting power from waste heat, can transfer power between a low-voltage system and a high-voltage system, and is reducible in a size.SOLUTION: A vehicle power system 1 includes: a waste heat collection device 3 having a generator 4 for generating power by using the waste heat of a power generation body 20; a low-voltage system 5 having a low-voltage secondary battery 50; a high-voltage system 6 having a high-voltage secondary battery 60; first wiring 81 for connecting the generator and the low-voltage system; second wiring 82 for connecting the first wiring and the high-voltage system; and a DC-DC converter 7 arranged at the second wiring, and can boost and step down pressure.SELECTED DRAWING: Figure 1

    【課題】排熱から電力を回収するための発電を制御可能であり、低電圧系と高電圧系との間で電力の授受が可能であり、かつ小型化が可能な、新規かつ改良された車両の電力システムを提供する。【解決手段】車両の電力システム1であって、発熱体20の排熱を用いて発電を行う発電機4を備えた排熱回収装置3と、低電圧二次電池50を備えた低電圧系5と、高電圧二次電池60を備えた高電圧系6と、発電機と低電圧系とを接続する第1配線81と、第1配線と高電圧系とを接続する第2配線82と、第2配線に設けられ、昇圧および降圧が可能なDCDCコンバータ7と、を含む。【選択図】図1


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    Title :

    VEHICLE POWER SYSTEM, VEHICLE POWER CONTROL DEVICE, VEHICLE POWER CONTROL METHOD AND PROGRAM


    Additional title:

    車両の電力システム、車両の電力制御装置、車両の電力制御方法、およびプログラム


    Contributors:

    Publication date :

    2020-09-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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 / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / F01K STEAM ENGINE PLANTS , Dampfkraftanlagen



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