PROBLEM TO BE SOLVED: To provide an engine starter having a simple structure and capable of starting an engine even when a high-voltage battery of a vehicle is in an output-restricted state in which the high-voltage battery cannot output power with which the engine is started.SOLUTION: Included are a first switch that is turned on or off to connect or disconnect a high-voltage battery and inverter, and a second switch that is turned on or off to connect or disconnect a low-voltage battery and inverter. An output restricted state in which the high-voltage battery cannot output power with which an engine is started is determined based on information on the temperature and charged state of the high-voltage battery. If the high-voltage battery is not in the output restricted state, the electric power of the high-voltage battery is used to start the engine. If the high-voltage battery is in the output restricted state, the electric power of the low-voltage battery is used to start the engine.SELECTED DRAWING: Figure 1A
【課題】車両の高電圧バッテリが、エンジンを始動させる電力を出力できない出力制限状態であっても、エンジンを始動することができる簡素な構成のエンジン始動装置を得る。【解決手段】高電圧バッテリとインバータとの間の接続をONまたはOFFする第1スイッチと、低電圧バッテリとインバータとの間の接続をONまたはOFFする第2スイッチとを備え、高電圧バッテリの温度および充電状態の情報を基に、高電圧バッテリがエンジンを始動させる電力を出力できない出力制限状態を判定し、高電圧バッテリが出力制限状態でない場合には、高電圧バッテリの電力を用いてエンジンを始動し、高電圧バッテリが出力制限状態である場合には、低電圧バッテリの電力を用いてエンジンを始動する。【選択図】図1A
ENGINE STARTER
エンジン始動装置
2016-05-16
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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |