Battery discharge control system and method for vehicle having electric motor

A battery discharge, motor vehicle technology, applied in battery/fuel cell control devices, battery over-discharge protection, motor vehicles, etc., can solve the problems of door lock module power supply, driver discomfort, inability to lock or unlock doors, etc. The effect of eliminating discomfort and delaying full discharge

Pending Publication Date: 2022-01-21
HYUNDAI MOTOR CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, we found that when the battery saving function that limits the use of electrical parts is applied, the power to all electrical parts is cut off, so there is a problem that the operation of locking or unlocking the car doors cannot be performed using the smart key, and as a result, the use of the car doors occurs. Discomfort caused by the key performing a manual locking or unlocking operation
[0010] For example, the doors cannot be locked or unlocked because power cannot be supplied to the door lock module that communicates with the smart key owned by the driver, and the doors need to be locked or unlocked by inserting the door key into the keyhole in the door's exterior handle
[0011] As another example of the prior art, when the auxiliary battery is reset, a method of charging the auxiliary battery from a high voltage battery is applied,

Method used

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  • Battery discharge control system and method for vehicle having electric motor
  • Battery discharge control system and method for vehicle having electric motor
  • Battery discharge control system and method for vehicle having electric motor

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[0036] The following description is essentially exemplary and is not intended to limit the invention, applications or use. It should be understood that the corresponding reference numerals are indicated by the same or corresponding components and features.

[0037] Hereinafter, an exemplary embodiment of the present invention will be described in detail with reference to the appended view.

[0038] It should be understood that the attached drawings are not drawn to scale, but is illustrative and simplified exhibiting various features to show the basic principles of the invention. The specific design features of the present invention disclosed herein include, for example, specific dimensions, directions, positions, and shapes, are partially determined by a particular desired environment to be applied and used. Some exemplary embodiments may be illustrated in the drawings from the perspective of function blocks, units, and / or modules.

[0039] Those skilled in the art will apprecia...

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Abstract

Disclosed are a battery discharge control system and a method for a vehicle having electric motor. The battery discharge control system and method for a motor-driven vehicle may monitor an SOC of an auxiliary battery in real time and control electric power supply to a first electric component, a wireless communication module, a vehicle controller, and a second electric component which is an always-on component, based on a predetermined order according to the SOC of the auxiliary battery, thereby inhibiting the complete discharge of the auxiliary battery and eliminating driver's discomfort.

Description

technical field [0001] The present invention relates to a battery discharge control system and method for a motor vehicle to reduce or minimize battery discharge. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art. [0003] As is well known, hybrid vehicles, electric vehicles, hydrogen fuel cell vehicles, etc. are equipped with a motor as a driving source for travel, and such vehicles are called environment-friendly vehicles or motor vehicles. [0004] A motor vehicle is equipped with an auxiliary battery as a power source for various controllers and electrical components (for example, lights, audio, instrument panel, air conditioner, etc.), and a high-voltage battery as a power source for a running motor and the like. [0005] Considering the fact that the auxiliary battery is only used to supply power to various controllers when the motor vehicle is started, ...

Claims

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Application Information

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IPC IPC(8): B60L58/12B60L1/00B60L3/00
CPCB60L58/12B60L1/00B60L3/00B60L58/14H02J7/0048H02J7/00306H02J2310/48Y02T10/70Y02T90/16B60R16/033B60R16/0315B60R21/34B60Y2200/92B60Y2200/91Y02T90/40H02J7/0063H02J7/00712H02J7/00032
Inventor 许志旭
Owner HYUNDAI MOTOR CO LTD
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