BATTERY DIAGNOSIS DEVICE

• Main Authors: MINAMITANI RINTARO, OGATA KIMITOSHI, TAKAMI HIROKI, OKU SHINICHI, INOSE SATOSHI
• Format: Patent
• Language: English; Japanese
• Published: 12.05.2022
• Subjects: BASIC ELECTRIC ELEMENTS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; PERFORMING OPERATIONS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; SYSTEMS FOR STORING ELECTRIC ENERGY; TRANSPORTING; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR

To provide a battery diagnosis device that is able to predict a failure in a battery at the time of engine start.SOLUTION: A battery diagnosis device 10 acquires a battery state of a vehicle V including: an engine 1; a motor generator 2 that starts the engine 1 and generates electricity by the power of the engine 1; and a battery 3 that supplies electric power to the motor generator 2 and is charged with electricity generated by the motor generator 2. The battery diagnosis device 10 diagnoses the soundness of the battery 3, based on required capacity that includes starting capacity necessary to start the engine 1 next time and based on the battery state.SELECTED DRAWING: Figure 1 【課題】エンジン始動時のバッテリの不具合を予測可能なバッテリ診断装置を提供する。【解決手段】バッテリ診断装置１０は、エンジン１と、そのエンジン１を始動させるとともにエンジン１の動力により発電するモータジェネレータ２と、そのモータジェネレータ２に電力を供給するとともにモータジェネレータ２の発電により充電されるバッテリ３と、を備えた車両Ｖのバッテリ状態を取得する。バッテリ診断装置１０は、次回のエンジン１の始動に必要な始動容量を含む要求容量と、バッテリ状態とに基づいて、バッテリ３の健全性を診断する。【選択図】図１