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Vehicle battery system and method of controlling same

A battery system and vehicle technology, applied in battery/fuel cell control devices, control devices, vehicle components, etc., can solve problems such as increasing vehicle battery voltage, and achieve compatibility problems, efficiency improvement, weight and material cost reduction. Effect

Inactive Publication Date: 2018-12-11
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, many commercial fast chargers currently on the market can only charge vehicle batteries ranging from 200V to 500V
Compatibility issues with this fast charger limit the ability to increase the voltage of the vehicle battery

Method used

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  • Vehicle battery system and method of controlling same
  • Vehicle battery system and method of controlling same
  • Vehicle battery system and method of controlling same

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Embodiment Construction

[0022] It should be understood that the term "vehicle" or "vehicular" or other similar terms as used herein generally includes motor vehicles such as passenger cars including sport utility vehicles (SUVs), buses, trucks, various commercial vehicles, including various boats and ships, aircraft, etc., and includes hybrid vehicles, electric vehicles, plug-in hybrid electric vehicles, hydrogen-powered vehicles, and other alternative fuel vehicles (eg, fuels derived from sources other than petroleum). As referred to herein, a hybrid vehicle is a vehicle that has two or more sources of power, eg, gasoline-powered and electric-powered vehicles.

[0023] Although exemplary embodiments are described as using multiple units to perform the exemplary process, it is understood that the exemplary process may also be performed by one or more modules. Additionally, it should be understood that the term controller / control unit refers to a hardware device including a memory and a processor. Th...

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Abstract

A vehicle battery system and a method of controlling the same are provided. When voltage of the vehicle battery is different from an output voltage of a commercially available quick charger, two high-voltage batteries are connected in parallel during battery charging, and the two high-voltage batteries are connected in series during vehicle driving. Accordingly, a compatibility problem is resolved, thereby allowing an inverter, an electric motor, and a connector to have increased efficiency and to maximize a reduction in size, weight, and material cost thereof.

Description

technical field [0001] The present invention generally relates to a vehicle battery system and a control method thereof, and more particularly to a vehicle battery system and a control method thereof, wherein when the voltage of the vehicle battery is different from the output voltage of a commercial fast charger, two The high voltage battery is connected in parallel during battery charging, and the two high voltage batteries are connected in series during vehicle driving. Accordingly, compatibility issues can be resolved, thereby enabling efficiency improvements in inverters, motors, connectors, and maximizing reductions in size, weight, and material costs. Background technique [0002] In general, eco-friendly vehicles such as hybrid vehicles, electric vehicles, etc. require a high-voltage battery capable of storing electrical energy, an electric motor as a power source, and an inverter for operating the electric motor. In recent years, various efforts have been made to i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L11/18
CPCB60L2240/547B60L53/11B60L53/14B60L58/19B60L58/21B60L58/20H02J7/0024H02J2310/48Y02T10/70Y02T10/7072Y02T90/12Y02T90/14B60W10/26B60W20/00B60Y2200/91B60Y2200/92B60L50/53B60L58/10B60L53/30
Inventor 李宇宁郑镇焕金荣珍安东燮宋秉燮崔奎英
Owner HYUNDAI MOTOR CO LTD
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