KR20100089278A - Power control apparatus for vehicle - Google Patents

Power control apparatus for vehicle Download PDF

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Publication number
KR20100089278A
KR20100089278A KR1020090008459A KR20090008459A KR20100089278A KR 20100089278 A KR20100089278 A KR 20100089278A KR 1020090008459 A KR1020090008459 A KR 1020090008459A KR 20090008459 A KR20090008459 A KR 20090008459A KR 20100089278 A KR20100089278 A KR 20100089278A
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KR
South Korea
Prior art keywords
battery power
vehicle
electric load
switching circuit
battery
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KR1020090008459A
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Korean (ko)
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KR101243080B1 (en
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윤상원
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주식회사 만도
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/033Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/002Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which a reserve is maintained in an energy source by disconnecting non-critical loads, e.g. maintaining a reserve of charge in a vehicle battery for starting an engine
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

PURPOSE: A power control device for a vehicle is provided to allow a Micro Control Unit to normally perform monitoring even if one of batteries is abnormal by supplying battery power to the other batteries. CONSTITUTION: A power control device for a vehicle comprises an electric load(30), multiple battery powers(BAT1,BAT2), and a switching circuit(10). The electric load is installed on a vehicle. The battery power supplies power to the electric load. The switching circuit is connected between the battery powers and the electric load, and electrically separates the battery powers. When one of the battery powers is blocked, the switching circuit supplies the other battery powers to the electric load.

Description

차량의 전원 제어장치{power control apparatus for vehicle}Power control apparatus for vehicle

본 발명은 차량의 전원 제어장치에 관한 것으로, 더욱 상세하게는 배터리 전원에서 발생할 수 있는 전기신호의 간섭을 차단하고 두 부분으로 나누어진 배터리 전원 중 어느 한쪽에서 이상 발생 시 다른 쪽의 배터리 전원을 공급할 수 있는 차량의 전원 제어장치에 관한 것이다.The present invention relates to a power control device of a vehicle, and more particularly, to block interference of an electrical signal that may occur in battery power and to supply the battery power of the other side when an abnormality occurs in any one of the battery power divided into two parts. The present invention relates to a power supply control apparatus for a vehicle.

일반적으로 ABS(anti-lock breaking system), ECS(electronic controlled system)가 장착된 차량에는 전기 부하에 공급하기 위한 차량 전원이 두 부분으로 나누어져 있다.In general, a vehicle equipped with an anti-lock breaking system (ABS) and an electronic controlled system (ECS) has two parts of a vehicle power supply for an electric load.

차량의 전반적인 동작을 제어하는 전기 부하(예를 들면 MCU)에 각종의 차량 신호를 처리하기 위한 하나의 배터리 전원(BAT 1)과 모터의 동작을 위한 다른 배터리 전원(BAT 2) 중 어느 하나가 선택적으로 공급된다. Either one battery power (BAT 1) for processing various vehicle signals to an electrical load (e.g. MCU) controlling the overall operation of the vehicle and another battery power (BAT 2) for operation of the motor are optional. Supplied by.

모터가 정지 상태 또는 동작할 때 한쪽 배터리 전원(BAT2)에서 예기치 않게 노이즈가 발생될 수 있다. 이 노이즈가 전기 회로에 연결된 다른 쪽의 배터리 전원(BAT1)으로 유기되면 그 배터리 전원(BAT 1)을 공급받는 전기 부하에서 전기적인 오동작을 일으키게 된다.Unexpected noise may be generated from one battery power source BAT2 when the motor is stopped or running. If this noise is induced to the other battery power source BAT1 connected to the electric circuit, an electrical malfunction will occur in the electrical load supplied with the battery power source BAT1.

본 발명은 이러한 문제점을 해결하기 위한 것으로, 본 발명의 목적은 배터리 전원에서 발생하는 노이즈와 같은 전기신호 간섭을 차단하고 복수의 배터리 전원 중 어느 한쪽에서 이상 발생시 다른 쪽 배터리 전원을 안정적으로 공급하는 차량의 전원 제어장치를 제공하는 것이다.The present invention is to solve such a problem, an object of the present invention is to block the electrical signal interference, such as noise generated from the battery power source and the vehicle for stably supplying the other battery power when the abnormality in any one of the plurality of battery power source It is to provide a power control device.

이러한 목적을 달성하기 위한 본 발명에 따른 차량의 전원 제어장치는, 차량에 설치된 전기부하와; 상기 전기 부하에 전원을 공급하기 위한 복수의 배터리 전원과; 상기 복수의 배터리 전원과 상기 전기 부하 사이에 연결되고, 상기 복수의 배터리 전원을 서로 전기적으로 분리시키고, 상기 어느 한쪽의 배터리 전원이 차단되면 다른 쪽의 배터린 전원을 상기 전기 부하에 공급하는 스위칭 회로;를 포함한다.An apparatus for controlling power of a vehicle according to the present invention for achieving the above object includes an electric load installed in the vehicle; A plurality of battery power sources for supplying power to the electrical load; A switching circuit connected between the plurality of battery power sources and the electric load, and electrically separating the plurality of battery power sources from each other, and supplying the other battery power to the electric load when one battery power source is cut off. It includes;

상기 스위칭 회로는 복수의 배터리 전원에 각각 연결되어 서로 상반되게 동작하는 복수의 트랜지스터와, 상기 복수의 트랜지스터 사이에 연결된 저항을 포함한다.The switching circuit includes a plurality of transistors connected to a plurality of battery power sources to operate opposite to each other, and a resistor connected between the plurality of transistors.

상기 어느 하나의 배터리 전원과 상기 스위칭 회로 사이에 연결된 퓨즈와, 상기 어느 하나의 배터리 전원을 받아 정류한 전원을 전기 부하에 제공하는 정류기를 더 포함하고, 상기 전기 부하는 상기 퓨즈의 단선 여부를 모니터링 하는 MCU를 포함한다.A fuse connected between the one battery power source and the switching circuit, and a rectifier configured to provide a rectified power supply to the electric load by receiving the one battery power source; and the electric load monitors whether the fuse is disconnected. It includes an MCU.

이상과 같이 본 발명은 어느 한쪽의 배터리 전원에서 발생할 수 있는 노이즈와 같은 전기신호 간섭을 차단할 수 있고 복수의 배터리 전원 중 어느 한쪽에서 이상 발생 시 다른 쪽의 배터리 전원을 공급할 수 있으므로 전기 부하 예를 들어 MCU가 정상적으로 모니터링 동작을 수행할 수 있다.As described above, the present invention can block electrical signal interference such as noise that may occur in one battery power source, and in the event that an abnormality occurs in one of the plurality of battery power sources, the other battery power source may be supplied. The MCU can perform the monitoring operation normally.

이하에서는 본 발명에 따른 바림직한 실시 예를 첨부 도면을 참조하여 상세히 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

본 발명의 실시 예에 따른 차량의 전원 제어장치는 두 부분으로 나누어진 배터리 전원(BAT1)(BAT2)을 포함한다. 하나의 배터리 전원(BAT1)은 각종 차량 신호를 처리하기 위하여 제공하는 것으로, 다이오드(D1)를 매개로 정류기(20)에 연결된다. 다른 차량 배터리 전원(BAT 2)은 모터 등을 구동하기 위하여 제공하는 것으로, 다이오드(D2)를 매개로 정류기(20)에 연결된다. 정류기(20)는 어느 하나의 배터리 전원(BAT 1)(BAT 2)을 제공받아 정류 전원을 MCU(30)에 제공한다.The power control apparatus for a vehicle according to an exemplary embodiment of the present invention includes a battery power source BAT1 and a battery unit BAT2 divided into two parts. One battery power source BAT1 is provided to process various vehicle signals and is connected to the rectifier 20 via a diode D1. The other vehicle battery power source BAT 2 is provided to drive a motor or the like, and is connected to the rectifier 20 via a diode D2. The rectifier 20 receives one battery power BAT 1 (BAT 2) to provide the rectified power to the MCU 30.

MCU(30)는 차량의 전반적인 동작을 제어하는데, 그 제어 동작의 하나는 배터리 전원(BAT 1)에 연결된 퓨즈(fuse)의 단선 여부를 모니터링 하는 역할이다.MCU 30 controls the overall operation of the vehicle, one of the control operation is to monitor the disconnection of the fuse (fuse) connected to the battery power (BAT 1).

본 발명의 실시 예에 따른 차량의 전원 제어장치는 복수의 배터리 전원(BAT 1)(BAT 2)과 다이오드(D1)(D2) 사이에 전기적으로 연결된 스위칭 회로(10)를 포함한다. 스위칭 회로(10)는 복수의 배터리 전원(BAT 1)(BAT 2)를 전기적으로 분리하 기 위한 복수의 스위치(Q1)(Q2)와 수동 소자(R1)를 포함한다. 여기서 복수의 스위치(Q1)(Q2)는 트랜지스터로 구현하며, 수동 소자는 저항으로 구현한다.An apparatus for controlling power of a vehicle according to an exemplary embodiment of the present invention includes a switching circuit 10 electrically connected between a plurality of battery powers BAT 1, BAT 2, and diodes D1, D2. The switching circuit 10 includes a plurality of switches Q1 and Q2 and a passive element R1 for electrically separating the plurality of battery power sources BAT 1 and BAT 2. Here, the plurality of switches Q1 and Q2 are implemented as transistors, and the passive elements are implemented as resistors.

스위칭 회로(10)의 제1트랜지스터(Q1)가 어느 하나의 배터리 전원(BAT1)에 연결되고, 스위칭 회로(10)의 제2트랜지스터(Q2)가 다른 하나의 배터리 전원(BAT 2)에 연결된다. 제1트랜지스터(Q1)와 제2트래지스터(Q2) 사이에는 저항(R1)이 연결된다. 제1트랜지스터(Q1)와 제2트렌지스터(Q2) 중 어느 하나가 턴 온(ON) 되면 다른 하나는 턴 오프(OFF) 되도록 서로 상반되게 동작한다. 즉, 제1 및 제2트랜지스터(Q1)(Q2)는 동시에 턴 온되지 않는다. 즉 복수의 배터리 전원(BAT 1)(BAT 2)은 서로 전기적으로 분리된다. 만약 배터리 전원(BAT 2)에서 노이즈가 발생하더라도 스위칭 회로(10)에 의해 차단되므로 그 노이즈가 다른 배터리 전원(BAT 1)으로 유기되는 현상은 일어나지 않는다. The first transistor Q1 of the switching circuit 10 is connected to one battery power source BAT1, and the second transistor Q2 of the switching circuit 10 is connected to another battery power source BAT 2. . A resistor R1 is connected between the first transistor Q1 and the second transistor Q2. When one of the first transistor Q1 and the second transistor Q2 is turned on, the other one operates in opposition to each other to be turned off. That is, the first and second transistors Q1 and Q2 are not turned on at the same time. That is, the plurality of battery sources BAT 1 and BAT 2 are electrically separated from each other. If noise occurs in the battery power source BAT 2, it is cut off by the switching circuit 10 so that the noise is not induced to another battery power source BAT 1.

도 2를 참고하여, 정상적인 배터리 전원(BAT1)이 스위칭 회로(20)에 제공되는 경우, 제1트랜지스터(Q1)가 턴 온(ON)되고 동시에 제2트랜지스터(Q2)가 턴 오프(OFF)된다. 이때 정류기(20)에는 다이오드(D1)를 경유한 정상적인 배터리 전원(BAT 1)이 제공되고, MCU(30)도 정류기(20)로부터 정류 전원을 제공받아 배터리 전원(BAT 1)에 연결된 퓨즈(fuse)의 단선 여부를 모니터링 한다.Referring to FIG. 2, when a normal battery power source BAT1 is provided to the switching circuit 20, the first transistor Q1 is turned on and at the same time the second transistor Q2 is turned off. . In this case, the rectifier 20 is provided with a normal battery power source BAT 1 via the diode D1, and the MCU 30 also receives a rectified power source from the rectifier 20 and is connected to the battery power source BAT 1. ) Is monitored for disconnection.

과도한 배터리 전원(BAT 1)이 입력되어 퓨즈(fuse)가 단선되면, 제1트랜지스터(Q1)가 턴 오프(OFF)되고 동시에 제2트랜지스터(Q2)가 턴 온(ON) 된다. 이때 정류기(20)에는 다이오드(D2)를 경유한 배터리 전원(BAT 2)이 제공되고, MCU(30)도 정류기(20)로부터 정류 전원을 제공받아 퓨즈(fuse)의 단선 여부를 모니터링 한다.When excessive battery power BAT 1 is input and the fuse is disconnected, the first transistor Q1 is turned off and at the same time the second transistor Q2 is turned on. In this case, the rectifier 20 is provided with battery power BAT 2 via the diode D2, and the MCU 30 also receives rectified power from the rectifier 20 to monitor whether the fuse is disconnected.

앞서 설명한 바와 같이, 스위칭 회로(10)는 두 부분으로 나누어진 복수의 배터리 전원(BAT 1)(BAT 2)을 전기적으로 분리시킴으로서 노이즈와 같은 전기신호 간섭을 방지하는 기능과 함께 어느 한쪽에서 배터리 전원을 정류기(20)로 제공할 수 없는 이상이 발생해도 다른 쪽 배터리 전원을 정류기(20)에 제공하여 MCU(30)에서 정상적인 동작을 수행할 수 있다.As described above, the switching circuit 10 electrically separates the plurality of battery power sources BAT 1 and BAT 2 that are divided into two parts to prevent electrical signal interference such as noise, and the battery power source on either side. Even if an abnormality that cannot be provided to the rectifier 20 occurs, the other battery power may be provided to the rectifier 20 to perform a normal operation in the MCU 30.

도 1은 본 발명에 따른 차량의 전원 제어장치의 구성도이다.1 is a block diagram of a power control device for a vehicle according to the present invention.

도 2는 본 발명에 따른 주요부분의 동작 상태를 나타낸 표이다.Figure 2 is a table showing the operating state of the main part according to the present invention.

*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10 : 스위칭 회로10: switching circuit

20 : 정류기20: rectifier

30 : MCU30: MCU

Claims (3)

차량에 설치된 전기부하와;An electric load installed on the vehicle; 상기 전기 부하에 전원을 공급하기 위한 복수의 배터리 전원과;A plurality of battery power sources for supplying power to the electrical load; 상기 복수의 배터리 전원과 상기 전기 부하 사이에 연결되고, 상기 복수의 배터리 전원을 서로 전기적으로 분리시키고, 상기 어느 한쪽의 배터리 전원이 차단되면 다른 쪽의 배터린 전원을 상기 전기 부하에 공급하는 스위칭 회로;를 A switching circuit connected between the plurality of battery power sources and the electric load, and electrically separating the plurality of battery power sources from each other, and supplying the other battery power to the electric load when one battery power source is cut off. ; 포함하는 차량의 전원 제어장치.Power control device of a vehicle comprising. 제 1항에 있어서, The method of claim 1, 상기 스위칭 회로는 복수의 배터리 전원에 각각 연결되어 서로 상반되게 동작하는 복수의 트랜지스터와, 상기 복수의 트랜지스터 사이에 연결된 저항을 포함하는 차량의 전원 제어장치.The switching circuit includes a plurality of transistors respectively connected to a plurality of battery power sources to operate opposite to each other, and a resistor connected between the plurality of transistors. 제1항에 있어서,The method of claim 1, 상기 어느 하나의 배터리 전원과 상기 스위칭 회로 사이에 연결된 퓨즈와, 상기 어느 하나의 배터리 전원을 받아 정류한 전원을 전기 부하에 제공하는 정류기를 더 포함하고, And a rectifier connected between the one battery power source and the switching circuit, and a rectifier for supplying the rectified power to the electric load by receiving the battery power source. 상기 전기 부하는 상기 퓨즈의 단선 여부를 모니터링 하는 MCU를 포함하는 차량의 전원 제어장치.The electric load control device of a vehicle comprising an MCU for monitoring whether the fuse is disconnected.
KR1020090008459A 2009-02-03 2009-02-03 power control apparatus for vehicle KR101243080B1 (en)

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US10505377B2 (en) 2016-08-24 2019-12-10 Samsung Electronics Co., Ltd. Battery management apparatus and system

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JP2006333693A (en) 2005-04-25 2006-12-07 Toyota Motor Corp Power supply system and vehicle
JP2008179182A (en) 2007-01-23 2008-08-07 Toyota Motor Corp Power supply control device and method therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10505377B2 (en) 2016-08-24 2019-12-10 Samsung Electronics Co., Ltd. Battery management apparatus and system

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