KR20130068993A - Electric vehicle and control method thereof - Google Patents

Electric vehicle and control method thereof Download PDF

Info

Publication number
KR20130068993A
KR20130068993A KR1020110136494A KR20110136494A KR20130068993A KR 20130068993 A KR20130068993 A KR 20130068993A KR 1020110136494 A KR1020110136494 A KR 1020110136494A KR 20110136494 A KR20110136494 A KR 20110136494A KR 20130068993 A KR20130068993 A KR 20130068993A
Authority
KR
South Korea
Prior art keywords
airbag
battery pack
battery
high voltage
sub
Prior art date
Application number
KR1020110136494A
Other languages
Korean (ko)
Inventor
홍준현
Original Assignee
(주)브이이엔에스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)브이이엔에스 filed Critical (주)브이이엔에스
Priority to KR1020110136494A priority Critical patent/KR20130068993A/en
Priority to PCT/KR2012/010954 priority patent/WO2013089512A1/en
Publication of KR20130068993A publication Critical patent/KR20130068993A/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0007—Measures or means for preventing or attenuating collisions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0084—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to control modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/04—Cutting off the power supply under fault conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B60L58/14—Preventing excessive discharging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B60L58/15—Preventing overcharging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2250/00—Driver interactions
    • B60L2250/10—Driver interactions by alarm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2250/00—Driver interactions
    • B60L2250/16—Driver interactions by display
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

PURPOSE: An electric vehicle and a control method thereof are provided to allow an airbag controller to directly transmit an airbag actuating signal to a battery managing system and to allow the battery managing system to give a driving command to a power relay assembly and a sub-switch inside the battery pack in order to cut off a high voltage. CONSTITUTION: An electric vehicle includes a battery pack(140), a sensor part(120), an airbag controller(110), a battery managing system(130), and a power relay assembly(150). The battery pack includes multiple cells storing electric energy and a sub-switch serially connecting the cells. The sensor part detects the collision of the vehicle. The airbag controller receives the intensity of the collision from the sensor part in order to determine whether or not an airbag is actuated, and generates an airbag actuating signal when the airbag is actuated. The battery managing system receives the airbag actuating signal from the airbag controller, and gives a driving command to the sub-switch of the battery pack and the power relay assembly. The power relay assembly cuts off a high voltage applied to a motor controller from the battery pack according to the driving commands. The sub-switch cuts off the own high voltage of the battery pack according to the driving command. [Reference numerals] (110) Airbag controller; (115) Airbag; (120) Sensor part; (140) Battery pack; (160) Main controller; (170) Motor controller; (180) Motor; (190) Interface

Description

전기자동차 및 그 제어방법{Electric vehicle and control method thereof}Electric vehicle and control method

본 발명은 전기자동차 및 그 제어방법에 관한 것으로, 보다 상세하게는 배터리 관리 시스템이 에어백 제어부로부터 에어백 작동신호를 수신하여, 전력릴레이부 및 배터리팩으로 구동명령을 내려 배터리팩의 고전압을 차단하는 전기자동차 및 그 제어방법에 관한 것이다.The present invention relates to an electric vehicle and a control method thereof, and more particularly, a battery management system receives an airbag operation signal from an airbag control unit and issues a driving command to the power relay unit and the battery pack to cut off the high voltage of the battery pack. An automobile and a control method thereof.

전기자동차는 장래의 자동차 공해 및 에너지 문제를 해결할 수 있는 가장 가능성 높은 대안이라는 점에서 연구가 활발하게 진행되고 있다.Research is actively being made in the sense that electric vehicles are the most likely alternative to solve future automobile pollution and energy problems.

전기자동차(EV ; Electric vehicle)는 주로 배터리의 전원을 이용하여 AC 또는 DC 모터를 구동하여 동력을 얻는 자동차로서, 크게 배터리전용 전기자동차와 하이브리드 전기자동차로 분류되며, 배터리전용 전기자동차는 배터리의 전원을 이용하여 모터를 구동하며, 전원이 다 소모되면 재충전하고, 하이브리드 전기자동차는 엔진을 가동하여 전기발전을 하여 배터리에 충전을 하고 이 전기를 이용하여 전기모터를 구동하여 차를 움직이게 할 수 있다.Electric vehicle (EV) is a vehicle that obtains power mainly by driving AC or DC motor by using battery power. It is classified into battery-only electric vehicle and hybrid electric vehicle. Using a motor to drive, recharging when the power is exhausted, the hybrid electric vehicle can run the engine to generate electricity to charge the battery and drive the electric motor using this electricity to move the car.

또한, 하이브리드 전기자동차는 직렬 방식과 병렬 방식으로 분류될 수 있으며, 직렬 방식은 엔진에서 출력되는 기계적 에너지는 발전기를 통하여 전기적 에너지로 바뀌고 이 전기적 에너지가 배터리나 모터로 공급되어 차량은 항상 모터로 구동되는 자동차로 기존의 전기자동차에 주행거리의 증대를 위하여 엔진과 발전기를 추가시킨 개념이고, 병렬 방식은 배터리 전원으로도 차를 움직이게 할 수 있고 엔진(가솔린 또는 디젤)만으로도 차량을 구동시키는 두 가지 동력원을 사용하고 주행조건에 따라 병렬 방식은 엔진과 모터가 동시에 차량을 구동할 수도 있다.The hybrid electric vehicle can be classified into a serial system and a parallel system. In the serial system, the mechanical energy output from the engine is converted into electrical energy through the generator, and the electric energy is supplied to the battery or the motor. This is a concept that adds an engine and a generator to increase the mileage of an existing electric vehicle. The parallel method can move a car by battery power. It is also possible to use two motors (gasoline or diesel) Depending on the driving conditions, the parallel system can drive the vehicle at the same time as the engine and the motor.

또한, 최근 모터/제어기술도 점점 발달하여 고출력, 소형이면서 효율이 높은 시스템이 개발되고 있다. DC모터를 AC모터로 변환함에 따라 출력과 EV의 동력성능(가속성능, 최고속도)이 크게 향상되어 가솔린차에 비하여 손색없는 수준에 도달하였다. 고출력화를 추진하면서 고회전화 함에 따라 모터가 경량소형화되어 탑재 중량이나 용적도 크게 감소하였다.Also, recently, motor / control technology is gradually developed, and high power, compact and highly efficient system is being developed. As the DC motor was converted into an AC motor, the output power and EV power performance (acceleration performance, maximum speed) were greatly improved, reaching a level comparable to that of gasoline cars. As high output was promoted, the weight of the motor was reduced and the weight and volume of the motor were greatly reduced.

이러한 전기자동차는 충돌 사고 시 고전압이 인가된 배터리팩으로 충격이 가해지거나, 배터리팩에서 고전압이 인가되는 모터제어부에 충격이 가해지면, 고전압에 의한 2차 사고가 일어날 수 있다. 또한, 메인제어부의 고장으로 전력릴레이부를 제어하지 못하면, 배터리팩에서 모터제어부로 인가되는 고전압을 차단하지 못하여 심각한 사고가 일어날 수 있다는 문제점이 있다.Such an electric vehicle may have a secondary accident due to a high voltage when an impact is applied to a battery pack to which a high voltage is applied or a shock is applied to a motor control unit to which a high voltage is applied from the battery pack. In addition, if the power relay is not controlled due to a failure of the main controller, a serious accident may occur because the high voltage applied to the motor controller from the battery pack may not be blocked.

따라서, 본 발명의 목적은 에어백 제어부에서 에어백 작동신호를 배터리 관리 시스템으로 직접 송신하고, 배터리 관리 시스템은 전력릴레이부 및 배터리팩 내부의 서브 스위치에 구동명령을 내려 고전압을 차단하는 전기자동차 및 그 제어방법을 제공함에 있다.Accordingly, an object of the present invention is to directly transmit the airbag operation signal from the airbag control unit to the battery management system, and the battery management system issues a driving command to the power relay unit and the sub-switch inside the battery pack and controls the high voltage. In providing a method.

상기 과제를 달성하기 위하여, 본 발명에 따른 전기자동차는 전기에너지를 저장하는 복수의 셀과 상기 복수의 셀을 직렬로 연결하는 서브 스위치를 포함하는 배터리팩, 차량의 충돌을 감지하는 센서부, 상기 센서부로부터 상기 충돌의 강도를 수신하여, 에어백 작동여부를 판단하며, 에어백을 작동시키는 경우, 에어백 작동신호를 발생하는 에어백 제어부, 상기 에어백 제어부로부터 상기 에어백 작동신호를 수신하여, 상기 배터리팩의 서브 스위치 및 전력릴레이부에 구동명령을 내리는 배터리 관리 시스템 및 상기 구동명령에 따라, 상기 배터리팩에서 모터제어부로 인가되는 고전압을 차단하는 전력릴레이부를 포함하고, 상기 배터리팩의 서브 스위치는 상기 구동명령에 따라, 상기 배터리팩 자체의 고전압을 차단한다.In order to achieve the above object, an electric vehicle according to the present invention comprises a battery pack including a plurality of cells for storing electrical energy and a sub-switch connecting the plurality of cells in series, a sensor unit for detecting a collision of the vehicle, the Receiving the strength of the collision from the sensor unit, and determines whether to operate the airbag, when operating the airbag, the airbag control unit for generating an airbag operation signal, receives the airbag operation signal from the airbag control unit, the sub A battery management system for issuing a driving command to a switch and a power relay unit and a power relay unit for cutting off a high voltage applied from the battery pack to the motor control unit, wherein the sub-switch of the battery pack is connected to the driving command. Accordingly, the high voltage of the battery pack itself is blocked.

또한, 본 발명에 따른 전기자동차의 제어방법은 차량의 충돌을 감지하는 단계, 에어백 제어부가 상기 충돌의 강도를 분석하여 에어백 작동여부를 판단하는 단계, 에어백을 작동시키는 경우, 상기 에어백 제어부는 배터리 관리 시스템으로 에어백 작동 신호를 송신하는 단계, 상기 배터리 관리 시스템은 배터리팩의 서브 스위치 및 전력릴레이부에 구동명령을 내리는 단계 및 상기 배터리팩 자체의 고전압 및 모터제어부에 인가되는 고전압이 차단되는 단계를 포함한다.In addition, the control method of the electric vehicle according to the present invention comprises the steps of detecting a collision of the vehicle, the airbag controller analyzes the strength of the collision to determine whether to operate the airbag, when operating the airbag, the airbag control unit battery management Transmitting an airbag operation signal to a system; the battery management system includes: driving a sub-switch and power relay unit of a battery pack; and cutting off a high voltage of the battery pack itself and a high voltage applied to a motor control unit; do.

본 발명에 따른 전기자동차 및 그 제어방법은 에어백이 작동하는 경우, 배터리팩 자체의 고전압을 차단하고, 배터리팩에서 모터제어부로 고전압이 인가되는 것을 차단하여, 고전압에 의한 2차 사고를 방지할 수 있다.The electric vehicle and its control method according to the present invention can block the high voltage of the battery pack itself when the airbag is operating, and prevent the high voltage from being applied to the motor control unit from the battery pack, thereby preventing secondary accidents caused by the high voltage. have.

또한, 메인제어부가 고장났을 경우에도, 배터리 관리 시스템이 에어백 제어부로부터 직접 에어백 작동신호를 수신하고, 전력릴레이부를 제어하여, 배터리팩에서 모터제어부로 고전압이 인가되는 것을 방지할 수 있다.In addition, even when the main controller fails, the battery management system directly receives the airbag operation signal from the airbag controller and controls the power relay to prevent high voltage from being applied from the battery pack to the motor controller.

기존 차량 내부에 있는 에어백 모듈을 이용함으로써, 추가적인 비용이 들지 않는다.By using the airbag module inside the existing vehicle, there is no additional cost.

따라서, 전기자동차의 안전성 및 신뢰성을 확보할 수 있다.Therefore, safety and reliability of the electric vehicle can be secured.

도 1은 본 발명의 일 실시예에 따른 전기자동차의 내부 구성을 개략적으로 나타낸 도이다.
도 2는 본 발명의 일 실시예에 따른 전기자동차의 에어백 작동시 고전압 제어 시스템의 회로도를 개략적으로 나타낸 도이다.
도 3은 본 발명의 일 실시예에 따른 배터리 관리 시스템에 의한 전력릴레이부 및 배터리팩 제어 흐름을 나타낸 도이다.1 is a schematic view illustrating an internal configuration of an electric vehicle according to an embodiment of the present invention.
2 is a schematic diagram illustrating a circuit diagram of a high voltage control system when an airbag is operated in an electric vehicle according to an embodiment of the present invention.
3 is a diagram illustrating a power relay unit and a battery pack control flow by the battery management system according to an exemplary embodiment of the present invention.

본 발명의 이점 및 특징, 그리고 그것들을 달성하는 방법은 첨부되는 도면과 함께 상세하게 후술되어 있는 실시예들을 참조하면 명확해질 것이다. 그러나 본 발명은 이하에서 개시되는 실시예들에 한정되는 것이 아니라 서로 다른 다양한 형태로 구현될 수 있으며, 단지 본 실시예들은 본 발명의 개시가 완전하도록 하고, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 발명의 범주를 완전하게 알려주기 위해 제공되는 것이며, 본 발명은 청구항의 범주에 의해 정의될 뿐이다. 명세서 전체에 걸쳐 동일 참조 부호는 동일 구성 요소를 지칭한다.Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

이하, 본 발명의 실시예들에 의한 전기자동차 및 그 제어방법을 설명하기 위한 도면들을 참고하여 본 발명에 대해 설명하도록 한다.DETAILED DESCRIPTION OF THE INVENTION Hereinafter, the present invention will be described with reference to the drawings for explaining an electric vehicle and a control method thereof according to embodiments of the present invention.

도 1은 본 발명의 일 실시예에 따른 전기자동차의 내부 구성을 개략적으로 나타낸 도이다.1 is a schematic view illustrating an internal configuration of an electric vehicle according to an embodiment of the present invention.

도 1을 참조하면, 본 발명의 일 실시예에 따른 전기자동차는 에어백 제어부(110), 에어백(115), 센서부(120), 배터리팩(140), 배터리 관리 시스템(BMS)(130), 전력릴레이부(PRA)(150), 모터제어부(MCU)(170), 메인제어부(VCM)(160), 모터(180), 인터페이스부(190)를 포함한다.1, an electric vehicle according to an embodiment of the present invention includes an airbag controller 110, an airbag 115, a sensor unit 120, a battery pack 140, a battery management system (BMS) 130, It includes a power relay unit (PRA) 150, a motor control unit (MCU) 170, a main control unit (VCM) 160, a motor 180, and an interface unit 190.

전기자동차는 상기와 같이 배터리팩(140)을 포함하여, 배터리팩(140)에 충전된 전원을 동작전원으로 이용하여 동작하며, 소정의 충전소 또는 차량 충전설비 또는 가정에서 외부로부터 전원을 공급받아 구비되는 배터리팩(140)을 충전한다. The electric vehicle includes the battery pack 140 as described above, and operates by using the power charged in the battery pack 140 as an operation power source, and receives power from a predetermined charging station or a vehicle charging facility or an external home. The battery pack 140 is charged.

배터리팩(140)은 복수의 배터리 셀 및 복수의 배터리 셀을 직렬로 연결하는 서브 스위치를 포함하여, 고전압의 전기에너지를 저장한다. 이 때, 전기자동차는 배터리팩(140)의 충전을 제어하고 배터리팩(140)의 잔여용량, 충전 필요성을 판단하며, 배터리팩(140)에 저장된 충전전류를 전기자동차의 각 부로 공급하는데 따른 관리를 수행하는 배터리 관리 시스템(BMS; Battery management system)(130)을 더 포함한다. The battery pack 140 includes a plurality of battery cells and a sub-switch that connects the plurality of battery cells in series to store high voltage electrical energy. At this time, the electric vehicle controls the charging of the battery pack 140, determines the remaining capacity of the battery pack 140, the need for charging, management to supply the charging current stored in the battery pack 140 to each part of the electric vehicle The battery management system 130 further includes a battery management system (BMS).

배터리 관리 시스템(130)은 배터리팩(140)을 충전하고 사용할 때, 배터리팩(140) 내의 셀 간의 전압차를 고르게 유지하여, 배터리팩(140)이 과충전되거나 과방전되지 않도록 제어함으로써 배터리팩(140)의 수명을 연장한다. When the battery management system 130 charges and uses the battery pack 140, the battery management system 130 maintains the voltage difference between cells in the battery pack 140 evenly, thereby controlling the battery pack 140 from being overcharged or overdischarged. 140) to extend the life.

배터리 관리 시스템(130)은 현재 배터리팩(140)의 배터리 잔량 및 배터리 전압을 측정하여 메인제어부(160)에 출력한다.The battery management system 130 measures the battery remaining amount and battery voltage of the current battery pack 140 and outputs it to the main controller 160.

전기자동차는 센서부(120)를 포함하여, 차량 주행, 또는 소정 동작 중에 발생하는 신호를 감지하여 이를 메인제어부(160) 또는 에어백 제어부(110)로 입력한다. 센서부(120)는 차량 내부 및 외부에 복수의 센서를 포함하여 다양한 감지신호를 입력한다. 이 때, 설치되는 위치에 따라 센서의 종류 또한 상이할 수 있다. 센서부(120)는 토크값 계산을 위하여 휠(wheel) 속력을 감지하는 휠 센서, 차량의 기울기를 감지하는 슬로프(slope) 센서를 포함한다. 또한, 센서부(120)는 차량의 가속도를 측정할 수 있는 가속도 센서를 포함한다.The electric vehicle includes a sensor unit 120, and detects a signal generated during a vehicle driving or a predetermined operation and inputs the signal to the main controller 160 or the airbag controller 110. The sensor unit 120 includes a plurality of sensors inside and outside the vehicle to input various sensing signals. At this time, the type of sensor may also be different depending on the installation position. The sensor unit 120 includes a wheel sensor that detects wheel speed for calculating a torque value, and a slope sensor that detects a tilt of the vehicle. In addition, the sensor unit 120 includes an acceleration sensor capable of measuring the acceleration of the vehicle.

가속도 센서는 차량의 충돌 강도를 감지하여, 이를 에어백 제어부(110)로 전송할 수 있다.The acceleration sensor may detect the collision intensity of the vehicle and transmit it to the airbag controller 110.

에어백 제어부(110)는 가속도 센서로부터 받은 충돌 강도를 가지고, 에어백(115)의 작동여부를 판단한다. 에어백(115)을 작동시키는 경우, 에어백(115) 및 배터리 관리 시스템(130)으로 에어백 작동신호를 송신할 수 있다. 이 때, 에어백(115)과 배터리 관리 시스템(130)에 에어백 작동신호를 동시에 송신할 수 있다.The airbag controller 110 determines whether the airbag 115 is operated based on the collision intensity received from the acceleration sensor. When operating the airbag 115, the airbag operating signal may be transmitted to the airbag 115 and the battery management system 130. At this time, the airbag operating signal may be simultaneously transmitted to the airbag 115 and the battery management system 130.

에어백 제어부(110)로부터 에어백 작동신호를 수신한 에어백(115)은 에어백(115)을 작동시킨다. 이 때, 배터리 관리 시스템(130)은 에어백 제어부(110)로부터 에어백 작동신호를 수신하여, 배터리팩(140)에서 모터제어부(170)로 인가되는 고전압을 차단하기 위하여 전력릴레이부(PRA; Power relay assembly)(150)로 구동명령을 내리며, 배터리팩(140) 자체의 고전압을 차단하기 위하여 배터리팩(140)의 서브스위치에 구동명령을 내린다.The airbag 115 that receives the airbag operation signal from the airbag controller 110 operates the airbag 115. At this time, the battery management system 130 receives the airbag operation signal from the airbag control unit 110, to block the high voltage applied to the motor control unit 170 from the battery pack 140 power relay (PRA) power relay assembly (150) and a drive command to the subswitch of the battery pack 140 to block the high voltage of the battery pack 140 itself.

전력릴레이부(150)는 고전압을 스위칭하기 위해 프리차지 릴레이, (+)단 메인릴레이 및 (-)단 메인 릴레이를 포함하는 복수의 메인 릴레이와, 센서를 포함하여 배터리팩(140)으로부터 인가되는 고전압의 동작전원을 모터제어부(170)로 인가하거나 차단한다. 이때 전력릴레이부(150)는 메인제어부(160) 또는 배터리 관리 시스템(130)의 제어명령에 의해 릴레이가 동작한다.The power relay unit 150 includes a plurality of main relays including a precharge relay, a (+) stage main relay, and a (−) stage main relay to switch a high voltage, and are applied from the battery pack 140 including a sensor. The high voltage operating power is applied to or blocked by the motor controller 170. At this time, the power relay unit 150 operates a relay by a control command of the main controller 160 or the battery management system 130.

전력릴레이부(150)는 배터리 관리 시스템(130)의 제어명령에 따라, 구비되는 복수의 릴레이를 소정 순서에 따라 스위칭 함으로써, 배터리팩(140)으로부터 모터제어부(170)로 인가되는 전원을 차단할 수 있으며, 모터(180)로 공급되는 전원이 차단되므로 모터(180)가 정지하게 됨에 따라 차량 또한 정지하게 된다.The power relay unit 150 may cut off power applied from the battery pack 140 to the motor controller 170 by switching a plurality of relays provided in a predetermined order according to a control command of the battery management system 130. In addition, since the power supplied to the motor 180 is cut off, as the motor 180 stops, the vehicle also stops.

모터제어부(170)는 모터제어부(170)에 연결되어 있는 적어도 하나의 모터(180)를 구동하기 위한 제어신호를 생성하는데 모터제어를 위한 소정의 신호를 생성하여 인가한다. 이때 모터제어부(170)는 인버터(미도시) 및 컨버터(미도시)를 포함하여 인버터 또는 컨버터를 제어함으로써 모터(180)의 구동을 제어할 수 있다. The motor controller 170 generates a control signal for driving at least one motor 180 connected to the motor controller 170, and generates and applies a predetermined signal for motor control. In this case, the motor controller 170 may control the driving of the motor 180 by controlling the inverter or the converter including an inverter (not shown) and a converter (not shown).

메인제어부(Vehicle control module: VCM)(160)는 차량 주행 및 동작에 따른 전반을 제어한다. 메인제어부(160)는 인터페이스부(190) 및 센서부(120)의 입력에 대응하여 설정된 동작이 수행되도록 모터제어부(170)로 소정의 명령을 생성하여 인가하여 제어하고, 데이터의 입출력을 제어한다.The main control unit (Vehicle control module: VCM) (160) controls the overall according to the driving and operation of the vehicle. The main controller 160 generates and applies a predetermined command to the motor controller 170 so as to perform a set operation corresponding to the input of the interface unit 190 and the sensor unit 120, and controls input and output of data. .

인터페이스부(190)는 운전자의 조작에 의해 소정의 신호를 입력하는 입력수단과, 전기 자동차의 현 상태 동작 중 정보를 외부로 출력하는 출력수단을 포함한다.The interface unit 190 includes input means for inputting a predetermined signal by a driver's operation, and output means for outputting information to the outside during the current state operation of the electric vehicle.

입력수단은 스티어링 휠, 액셀레이터, 브레이크와 같은 운전을 위한 조작수단을 포함한다. 엑셀레이터는 토크값 연산을 위한 가속 정보를 출력하고, 브레이크는 토크값 연산을 위한 제동 정보를 출력한다.The input means includes operating means for operation such as a steering wheel, an accelerator, and a brake. The accelerator outputs acceleration information for torque value calculation, and the brake outputs braking information for torque value calculation.

또한, 입력수단은 차량 주행에 따름 방향지시등, 테일램프, 헤드램프, 브러시 등의 동작을 위한 복수의 스위치, 버튼 등을 포함한다.Further, the input means includes a plurality of switches, buttons, and the like for operation of a turn signal lamp, a tail lamp, a head lamp, a brush, etc.,

출력수단은 정보를 표시하는 디스플레이부, 음악, 효과음 및 경고음을 출력하는 스피커 그리고 각종 상태 등을 포함한다. The output means includes a display unit for displaying information, a speaker for outputting music, an effect sound and a warning sound, and various states.

도 2는 본 발명의 일 실시예에 따른 전기자동차의 에어백 작동시 고전압 제어 시스템의 회로도를 개략적으로 나타낸 도이다.2 is a schematic diagram illustrating a circuit diagram of a high voltage control system when an airbag is operated in an electric vehicle according to an embodiment of the present invention.

도 2를 참조하면, 도 1에서 상술한 바와 같이 배터리팩(140)은 복수의 배터리 셀을 포함하며, 복수의 배터리 셀은 서브 스위치(145)에 의해 직렬 연결 된다. 따라서, 배터리팩(140)에는 복수의 배터리 셀과 서브 스위치(145)에 의해 고전압의 전원이 저장되며, 복수의 릴레이를 포함하는 전력릴레이부(150)에 의해서 고전압을 모터제어부(170)로 인가하거나 차단할 수 있다.Referring to FIG. 2, as described above with reference to FIG. 1, the battery pack 140 includes a plurality of battery cells, and the plurality of battery cells are connected in series by the sub-switch 145. Therefore, the battery pack 140 stores the high voltage power by the plurality of battery cells and the sub-switch 145, and applies the high voltage to the motor controller 170 by the power relay unit 150 including the plurality of relays. Can be blocked.

전력릴레이부(150)는 배터리팩(145)과 모터제어부(170)를 연결하는 (+)전원 라인에 설치되어 있는 (+)단 메인릴레이(152), 배터리팩(140)과 모터제어부(170)를 연결하는 (-)전원 라인에 설치되어 있는 (-)단 메인릴레이(153), (+)단 메인릴레이(152)와 병렬로 연결되어 있는 프리차지 릴레이(151) 및 프리차지 릴레이(151)의 후단에 연결되어 있는 저항을 포함할 수 있다.The power relay unit 150 includes a positive terminal main relay 152 and a battery pack 140 and a motor control unit 170 installed on a positive power line connecting the battery pack 145 and the motor control unit 170. Precharge relay 151 and precharge relay 151 connected in parallel with the (-) stage main relay 153 and the (+) stage main relay 152 installed in the (-) power line for connecting It may include a resistor connected to the rear end of the).

(+)단 메인릴레이(152), (-)단 메인릴레이(153) 및 프리차지 릴레이(151)는 배터리 관리 시스템(130)의 제어에 따라 배터리팩(140)과 모터제어부(170)를 전기적으로 연결하거나 차단할 수 있다.The positive stage main relay 152, the negative stage main relay 153, and the precharge relay 151 electrically connect the battery pack 140 and the motor controller 170 under the control of the battery management system 130. Can be connected or blocked.

또한, 모터제어부(170)는 배터리팩(140)에서 출력된 직류를 교류로 변환하여 모터(180)로 전달하여 모터(180)를 구동시킬 수 있다.In addition, the motor controller 170 may convert the direct current output from the battery pack 140 into alternating current and transmit the alternating current to the motor 180 to drive the motor 180.

에어백 제어부(110)에서 에어백 작동신호를 배터리 관리 시스템(130)으로 송신하면, 에어백 작동신호를 수신한 배터리 관리 시스템(130)이 배터리팩(140)과 전력릴레이부(150)에 구동명령을 내리게 된다.When the airbag operation signal is transmitted from the airbag control unit 110 to the battery management system 130, the battery management system 130 receiving the airbag operation signal issues a driving command to the battery pack 140 and the power relay unit 150. do.

구동명령을 받은 배터리팩(140)은 복수의 배터리 셀 사이에 직렬로 위치한 서브 스위치(145)를 오픈시키고, 이에 따라, 복수의 배터리 셀 간의 전기적 연결이 차단되어, 배터리팩(140) 자체의 고전압이 차단되게 된다.The battery pack 140 receiving the driving command opens the sub-switch 145 located in series between the plurality of battery cells, and accordingly, the electrical connection between the plurality of battery cells is cut off, so that the high voltage of the battery pack 140 itself. Will be blocked.

또한, 구동명령을 받은 전력릴레이부(150)는 복수의 메인 릴레이들(152,153)을 차례로 오프시킨다. 일예로, 릴레이 오프명령을 수신하는 경우, (-)단 메인릴레이(153)를 오프시킨후, (+)단 메인릴레이(152)를 오프시켜 배터리팩(140)과 모터제어부(170)의 연결을 차단할 수 있다. 다만, 복수의 릴레이들(151,152,153)의 동작순서는 상술한 순서에 한정되지 않고 변형이 가능하다. In addition, the power relay unit 150 receiving the driving command sequentially turns off the plurality of main relays 152 and 153. For example, when receiving a relay off command, after the (-) stage main relay 153 is turned off, the (+) stage main relay 152 is turned off to connect the battery pack 140 and the motor controller 170. Can be blocked. However, the operation order of the plurality of relays 151, 152, 153 is not limited to the above-described order and may be modified.

따라서, 상기와 같이 배터리팩(140)과 모터제어부(170) 사이의 전기적 연결을 차단하여, 배터리팩(140)의 고전압이 모터제어부(170)로 인가되는 것을 차단하게 된다.Accordingly, as described above, the electrical connection between the battery pack 140 and the motor controller 170 is blocked, thereby preventing the high voltage of the battery pack 140 from being applied to the motor controller 170.

도 3은 본 발명의 일 실시예에 따른 배터리 관리 시스템에 의한 전력릴레이부 및 배터리팩 제어 흐름을 나타낸 도이다.3 is a diagram illustrating a power relay unit and a battery pack control flow by the battery management system according to an exemplary embodiment of the present invention.

도 3을 참조하면, 센서부(120)는 가속도 센서를 이용하여 차량의 충돌을 감지한다(S310). 가속도 센서에 의해 감지된 충돌 강도를 에어백 제어부(110)로 전송하고, 에어백 제어부(110)는 전송된 충돌의 강도를 가지고 에어백(115)을 작동시킬 것이지의 여부를 판단한다(S320). Referring to FIG. 3, the sensor unit 120 detects a collision of a vehicle by using an acceleration sensor (S310). The collision intensity detected by the acceleration sensor is transmitted to the airbag controller 110, and the airbag controller 110 determines whether to operate the airbag 115 with the transmitted collision intensity (S320).

이 때, 에어백 제어부(110)는 기 설정된 강도보다 충돌강도가 크면 에어백 작동신호를 발생시키고, 충돌 강도가 기 설정된 강도보다 작으면 에어백 작동신호를 발생시키지 않을 수 있다. 에어백 제어부(110)가 에어백 작동신호를 발생시키면, 상기 에어백 작동신호를 에어백(115) 및 배터리 관리 시스템(130)으로 송신한다(S330).In this case, the airbag controller 110 may generate an airbag operation signal when the collision intensity is greater than the preset strength, and may not generate the airbag operation signal when the collision intensity is smaller than the preset strength. When the airbag control unit 110 generates an airbag operation signal, the airbag operation signal is transmitted to the airbag 115 and the battery management system 130 (S330).

에어백 작동신호를 수신한 에어백(115)은 에어백(115)을 작동시키며, 배터리 관리 시스템(130)은 배터리팩(140)과 전력릴레이부(150)로 구동명령을 내린다(S340).The airbag 115 receiving the airbag operation signal operates the airbag 115, and the battery management system 130 issues a driving command to the battery pack 140 and the power relay unit 150 (S340).

구동명령을 받은 배터리팩(140)은 서브스위치(145)를 오픈시켜 복수의 배터리 셀 간의 전기적 연결을 차단할 수 있으며, 전력릴레이부(150)는 복수의 메인 릴레이를 차례로 오프시켜, 배터리팩(140)과 모터제어부(170)의 전기적 연결을 차단할 수 있다.The battery pack 140 receiving the driving command may open the sub-switch 145 to cut off the electrical connection between the plurality of battery cells, and the power relay unit 150 may turn off the plurality of main relays in order, and thus, the battery pack 140. ) And the motor control unit 170 may block the electrical connection.

따라서, 배터리팩(140) 자체에 고전압이 인가되는 것을 차단할 수 있으며, 모터제어부(170)로 고전압이 인가되는 것을 차단할 수 있다(S350).Therefore, the high voltage may be blocked from being applied to the battery pack 140 itself, and the high voltage may be blocked from being applied to the motor controller 170 (S350).

따라서, 본 발명에 따른 전기자동차 및 제어방법은 차량의 충돌을 감지하여, 에어백(115)이 작동하는 경우, 에어백 제어부에서 배터리 관리 시스템(130)으로 에어백 작동신호를 송신하여, 상기 신호를 수신한 배터리 관리 시스템(130)이 배터리팩(140) 및 전력릴레이부(150)로 구동명령을 내려 배터리팩(140) 자체 및 모터제어부(170)로 고전압이 인가되는 것을 방지하여 2차 사고를 방지할 수 있다. Therefore, the electric vehicle and the control method according to the present invention detect the collision of the vehicle, when the airbag 115 is operated, by transmitting an airbag operation signal from the airbag control unit to the battery management system 130, and receives the signal The battery management system 130 issues a driving command to the battery pack 140 and the power relay unit 150 to prevent a high voltage from being applied to the battery pack 140 itself and the motor controller 170 to prevent secondary accidents. Can be.

또한, 메인제어부(160)가 고장난 경우에도 메인제어부(160)와 별도로 배터리 관리 시스템(130)이 전력릴레이부(150)에 구동명령을 내릴 수 있어, 사고를 이중으로 방지할 수 있으며, 전기자동차의 신뢰성 및 안전성을 강화할 수 있다.In addition, even when the main control unit 160 is broken, the battery management system 130 may separately issue a power command to the power relay unit 150 in addition to the main control unit 160, thereby preventing accidents in double, and electric vehicles. It can enhance the reliability and safety.

이상에서는 본 발명의 바람직한 실시예에 대하여 도시하고 설명하였지만, 본 발명은 상술한 특정의 실시예에 한정되지 아니하며, 특허청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 다양한 변형실시가 가능한 것은 물론이고, 이러한 변형실시들은 본 발명의 기술적 사상이나 전망으로부터 개별적으로 이해되어서는 안될 것이다.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It should be understood that various modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.

110 : 에어백 제어부 115: 에어백
120 : 센서부 130: 배터리 관리 시스템
140 : 배터리팩 150: 전력릴레이부
160 : 메인제어부 170: 모터제어부
180: 모터 190: 인터페이스부110: airbag control unit 115: airbag
120: sensor unit 130: battery management system
140: battery pack 150: power relay unit
160: main control unit 170: motor control unit
180: motor 190: interface unit

Claims (10)

전기에너지를 저장하는 복수의 셀과 상기 복수의 셀을 직렬로 연결하는 서브 스위치를 포함하는 배터리팩;
차량의 충돌을 감지하는 센서부;
상기 센서부로부터 상기 충돌의 강도를 수신하여, 에어백 작동여부를 판단하며, 에어백을 작동시키는 경우, 에어백 작동신호를 발생하는 에어백 제어부;
상기 에어백 제어부로부터 상기 에어백 작동신호를 수신하여, 상기 배터리팩의 서브 스위치 및 전력릴레이부에 구동명령을 내리는 배터리 관리 시스템; 및
상기 구동명령에 따라, 상기 배터리팩에서 모터제어부로 인가되는 고전압을 차단하는 전력릴레이부를 포함하고,
상기 배터리팩의 서브 스위치는 상기 구동명령에 따라, 상기 배터리팩 자체의 고전압을 차단하는 전기자동차.A battery pack including a plurality of cells storing electrical energy and a sub switch connecting the plurality of cells in series;
Sensor unit for detecting a collision of the vehicle;
An airbag controller configured to receive the strength of the collision from the sensor unit, determine whether an airbag is operated, and generate an airbag operation signal when the airbag is operated;
A battery management system which receives the airbag operation signal from the airbag control unit and issues a driving command to the sub-switch and power relay unit of the battery pack; And
According to the driving command, the battery pack includes a power relay for blocking a high voltage applied to the motor control unit,
The sub-switch of the battery pack cuts the high voltage of the battery pack itself according to the driving command. 제1항에 있어서,
상기 센서부는 가속도 센서를 포함하고,
상기 가속도 센서가 상기 차량의 충돌을 감지하는 전기자동차.The method of claim 1,
The sensor unit includes an acceleration sensor,
And the acceleration sensor detects a collision of the vehicle. 제1항에 있어서,
상기 에어백 제어부는,
상기 에어백 작동 신호를 상기 에어백과 상기 배터리 관리 시스템으로 동시에 송신하는 전기자동차.The method of claim 1,
The airbag control unit,
And the airbag actuating signal is simultaneously transmitted to the airbag and the battery management system. 제1항에 있어서,
상기 전력릴레이부는,
메인릴레이를 오프(off)하여 상기 배터리와 상기 모터제어부의 전기적 연결을 차단하는 전기자동차.The method of claim 1,
The power relay unit,
The electric vehicle off the main relay (off) to cut off the electrical connection of the battery and the motor control unit. 제1항에 있어서,
상기 배터리팩은,
상기 서브 스위치를 오픈(open)하여 상기 배터리 자체의 고전압을 차단하는 전기자동차.The method of claim 1,
The battery pack,
An electric vehicle that cuts a high voltage of the battery itself by opening the sub-switch. 차량의 충돌을 감지하는 단계;
에어백 제어부가 상기 충돌의 강도를 분석하여 에어백 작동여부를 판단하는 단계;
에어백을 작동시키는 경우, 상기 에어백 제어부는 배터리 관리 시스템으로 에어백 작동 신호를 송신하는 단계;
상기 배터리 관리 시스템은 배터리팩의 서브 스위치 및 전력릴레이부에 구동명령을 내리는 단계; 및
상기 배터리팩 자체의 고전압 및 모터제어부에 인가되는 고전압이 차단되는 단계를 포함하는 전기자동차의 제어방법.Detecting a collision of the vehicle;
Determining, by the airbag controller, whether the airbag is operated by analyzing the strength of the collision;
When operating the airbag, the airbag control unit transmitting an airbag operation signal to a battery management system;
The battery management system may include: driving a sub-switch and a power relay unit of a battery pack; And
And controlling the high voltage applied to the battery pack itself and the high voltage applied to the motor controller. 제6항에 있어서,
상기 차량의 충돌은 가속도센서를 이용하여 감지하는 전기자동차의 제어방법.The method according to claim 6,
The control method of the electric vehicle to detect the collision of the vehicle using an acceleration sensor. 제6항에 있어서,
상기 에어백 제어부는,
상기 에어백 작동 신호를 상기 에어백과 상기 배터리 관리 시스템으로 동시에 송신하는 전기자동차의 제어방법.The method according to claim 6,
The airbag control unit,
And controlling the airbag operation signal to the airbag and the battery management system simultaneously. 제6항에 있어서,
상기 전력릴레이부는,
메인릴레이를 오프(off)하여 상기 배터리팩에서 상기 모터제어부로 인가되는 고전압을 차단하는 전기자동차의 제어방법.The method according to claim 6,
The power relay unit,
The control method of the electric vehicle to turn off the main relay to cut off the high voltage applied from the battery pack to the motor control unit. 제6항에 있어서,
상기 배터리팩은,
상기 서브 스위치를 오픈(open)하여 상기 배터리팩 자체의 고전압을 차단하는 전기자동차의 제어방법.
The method according to claim 6,
The battery pack,
The control method of the electric vehicle to open the sub-switch to cut off the high voltage of the battery pack itself.
KR1020110136494A 2011-12-16 2011-12-16 Electric vehicle and control method thereof KR20130068993A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020110136494A KR20130068993A (en) 2011-12-16 2011-12-16 Electric vehicle and control method thereof
PCT/KR2012/010954 WO2013089512A1 (en) 2011-12-16 2012-12-14 Electric vehicle and method for controlling same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110136494A KR20130068993A (en) 2011-12-16 2011-12-16 Electric vehicle and control method thereof

Publications (1)

Publication Number Publication Date
KR20130068993A true KR20130068993A (en) 2013-06-26

Family

ID=48612866

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110136494A KR20130068993A (en) 2011-12-16 2011-12-16 Electric vehicle and control method thereof

Country Status (2)

Country Link
KR (1) KR20130068993A (en)
WO (1) WO2013089512A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200005281A (en) * 2018-07-06 2020-01-15 현대자동차주식회사 System and method for discharging direct current link capacitor of inverter for driving motor

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106671814A (en) * 2016-12-29 2017-05-17 力帆实业(集团)股份有限公司 Active safety protection system for power battery pack of electric automobile
CN110001420A (en) * 2017-07-12 2019-07-12 上海重塑能源科技有限公司 A kind of method of controlling security for Hydrogen Fuel-cell Vehicles
CN111731103A (en) * 2020-07-07 2020-10-02 汉腾新能源汽车科技有限公司 Whole-vehicle power-off control strategy of pure electric vehicle
CN114604137A (en) * 2020-12-03 2022-06-10 江铃汽车股份有限公司 Automobile collision power-off protection method and system
CN115503484A (en) * 2022-10-24 2022-12-23 湖北亿纬动力有限公司 Battery energy control method and system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3076489B2 (en) * 1993-12-15 2000-08-14 株式会社東芝 Electric car
KR19980050763U (en) * 1996-12-30 1998-10-07 박병재 Electric Vehicle Safety Device Using Airbag Operation Signal
KR19990021079U (en) * 1997-11-28 1999-06-25 김영환 Main power disconnect system for electric vehicles
KR101040005B1 (en) * 2005-01-18 2011-06-08 현대자동차주식회사 A system for controlling relay of hybrid vehicle using airbag apparatus
WO2011143191A1 (en) * 2010-05-13 2011-11-17 Coda Automotive, Inc. Battery disconnection in electric vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200005281A (en) * 2018-07-06 2020-01-15 현대자동차주식회사 System and method for discharging direct current link capacitor of inverter for driving motor

Also Published As

Publication number Publication date
WO2013089512A1 (en) 2013-06-20

Similar Documents

Publication Publication Date Title
US9174547B2 (en) Electric vehicle and charging control method for auxiliary battery thereof
CN102161319B (en) Control device for electric vehicle
US20110210746A1 (en) Power supply device and method for detecting non-contact state of load connected to power supply device
KR20130068993A (en) Electric vehicle and control method thereof
KR20120081824A (en) Electric vehicle and operating method
KR20130069001A (en) Electric vehicle and control method thereof
CN103108770A (en) Electric vehicle and method for controlling emergency thereof
KR20120005729A (en) Electric vehicle and operating method
CN110466364B (en) Battery pack for vehicle
WO2013089517A1 (en) Electric vehicle and method for controlling same
KR20120114604A (en) Electric vehicle and method for speed control
KR101537093B1 (en) electric vehicle and control method thereof
KR20120012662A (en) Electric vehicle and method in an emergency
KR20140065209A (en) Electric vehicle and control method thereof
KR20130069000A (en) Electric vehicle and control method thereof
KR101611285B1 (en) electric vehicle and control method thereof
JP2013145735A (en) Power storage system
KR20140072265A (en) Electric vehicle and operating method thereof
KR20140020659A (en) Ev battery management system using power line communication and control method thereof
KR20140065208A (en) Electric vehicle and control method thereof
KR20130101893A (en) Electric vehicle and method
KR20120012651A (en) electric vehicle and operating method
KR101567922B1 (en) electric vehicle and control method thereof
KR101693210B1 (en) Electric vehicle drive control device
KR20120081825A (en) Electric vehicle and operating method

Legal Events

Date Code Title Description
N231 Notification of change of applicant
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid