Battery system for movable object and controlling method for the same

• Main Author: SHINOZAKI AKIHIRO
• Format: Patent
• Language: English
• Published: 15.09.2015
• Subjects: BASIC ELECTRIC ELEMENTS; BLASTING; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; COMBUSTION ENGINES; COMBUSTION ENGINES IN GENERAL; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; GENERATION; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INTERNAL-COMBUSTION PISTON ENGINES; LIGHTING; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MECHANICAL ENGINEERING; 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; WEAPONS

A battery system for a movable object is mounted on the movable object having a charger and a load unit including a plurality of loads electrically driven for different purposes. The battery system is provided with a plurality of battery packs, a power control circuit for changing a connection state between the battery packs and the charger and a connection state between the battery packs and the load unit, a memory unit for storing operation information, an estimation unit for estimating a power consumption pattern in the operation cycle based on the operation information and a controller for switching the power control circuit to cover the power consumption by the load unit according to the power consumption pattern.