KR970077877A - Battery charging circuit - Google Patents

Battery charging circuit Download PDF

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Publication number
KR970077877A
KR970077877A KR1019960019302A KR19960019302A KR970077877A KR 970077877 A KR970077877 A KR 970077877A KR 1019960019302 A KR1019960019302 A KR 1019960019302A KR 19960019302 A KR19960019302 A KR 19960019302A KR 970077877 A KR970077877 A KR 970077877A
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KR
South Korea
Prior art keywords
battery
voltage
charging
charge
early
Prior art date
Application number
KR1019960019302A
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Korean (ko)
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KR100191168B1 (en
Inventor
김종부
Original Assignee
김광호
삼성전자 주식회사
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Priority to KR1019960019302A priority Critical patent/KR100191168B1/en
Publication of KR970077877A publication Critical patent/KR970077877A/en
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Publication of KR100191168B1 publication Critical patent/KR100191168B1/en

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Classifications

    • 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
    • H02J7/007Regulation of charging or discharging current or voltage
    • H02J7/00712Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G01R19/16542Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • 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
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • 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
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0036Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
    • 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
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048Detection of remaining charge capacity or state of charge [SOC]
    • 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S320/00Electricity: battery or capacitor charging or discharging
    • Y10S320/18Indicator or display
    • Y10S320/21State of charge of battery

Abstract

본 발명은 밧데리의 충전회로에 관한 것으로, 마이크로프로세서에서 밧데리 검출 스위치를 통하여 밧데리의 장착 여부를 확인하여 조기 충전/보충전제어부의 저항을 통하여 밧데리에 충전되도록 하면서 급속 충전제어부에서는 직접 밧데리에 충전되도록 하고 충전전압을 밧데리 전압 검출부를 통해 검출하도록 하되, 마이크로프로세서에 밧데리 전압, 상한 이상 전압, 하한 이상 전압, 조기 충전제한 시간, 급속 충전제한 시간, 보충전제한 시간, 조기 충전설정 전압, 급속 충전설정 전압들에 대한 정보를 저장한 상태에서 충전시킬 밧데리가 장착되면 표시부의 발광 다이오드를 점등시키면서 조기 충전을 수행하는 단계와, 밧데리 전압이 조기 충전설정 전압보다 크면, 급속 충전을 수행하는 단계와, 밧데리 전압이 급속 충전설정 전압보다 크면, 보충전 제한 시간 동안 보충전을 수행하는 단계와, 상기의 조기 충전과 급속 충전 및 보충전을 수행하는 중에 밧데리전압이 상한 이상 전압보다 크거나 하한 이상 전압보다 작은 경우에는 충전을 중단하는 단계들에 의해 수행되도록 함으로써 쇼트된 밧데리나 오픈된 밧데리 또는 불량 밧데리를 충진할 때 이상 상태로 인하여 충전기에 손상을 주게되는 현상을 방지토록 한 것이다.The present invention relates to a charging circuit of a battery, wherein the microprocessor checks whether the battery is installed through the battery detection switch so that the battery is charged directly through the quick charge control unit while being charged through the resistance of the early charge / charge control unit. The charge voltage is detected by the battery voltage detector, and the microprocessor shows the battery voltage, the upper limit voltage, the lower limit voltage, the early charge limit time, the quick charge limit time, the supplementary charge limit time, the early charge set voltage, and the quick charge setting. When the battery to be charged in the state of storing the information about the voltage is mounted, performing the early charging while lighting the light emitting diode of the display, and if the battery voltage is greater than the early charge setting voltage, performing a quick charge, and the battery If the voltage is higher than the quick charge setting voltage, Performing replenishment for a limited time, and stopping the charging when the battery voltage is greater than the upper limit or lower than the lower limit voltage during the early charge, rapid charge and replenishment. This prevents the battery from damaging the charger due to an abnormal condition when charging a shorted battery, an open battery or a bad battery.

Description

밧데리의 충전회로Battery charging circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1 도는 본 발명에 따른 밧데리의 충전회로의 개략적인 구성을 나타낸 회로도, 제 2 도는 본 발명의 동작 과정을 나타낸 플로우챠트.1 is a circuit diagram showing a schematic configuration of a battery charging circuit according to the present invention, Figure 2 is a flow chart showing the operation of the present invention.

Claims (5)

밧데리 검출 스위치를 통하여 밧데리의 장착 여부를 확인하면서 충전에 따른 동작을 제어하는 마이크로프로세서와, 상기 마이크로프로세서의 제어 신호에 의해 동작하면서 밧데리에 미소 전류가 흐르도록 하는 조기 충전/보충전제어부와, 상기 마이크로프로세서의 제어 신호에 의해 동작하면서 입력 전원(B+)이 직접 밧데리(5)에 충전되도록 하는 급속 충전제어부와, 상기 밧데리의 양단 간의 전압에 의한 충전전압치를 마이크로프로세서에 전달하는 밧데리 전압 검출부와, 상기 밧데리에 충전중이거나 충전이 완료되었거나 또는 오동작 인가의 여부를 발광 다이오드(LED)와 저항(R5)를 통해 사용자에 시각적으로 알려주는 표시부들로 구성하여서 됨을 특징으로 하는 밧데리의 충전회로.A microprocessor for controlling the operation according to charging while checking whether the battery is mounted through the battery detection switch, an early charge / charge control unit for allowing a small current to flow in the battery while operating by a control signal of the microprocessor, and A fast charging control unit which operates by a control signal of a microprocessor to directly charge the input power source B + to the battery 5, and a battery voltage detection unit which transmits a charge voltage value due to a voltage between both ends of the battery to the microprocessor; And a display unit for visually informing the user through the light emitting diode (LED) and the resistor (R5) whether the battery is being charged, completed charging, or whether a malfunction is applied. 제 1 항에 있어서, 상기 마이크로프로세서의 TCHG 단자를 통한 제어신호에 의해 동작하는 조기 충전/보충전제어부(4)에서는 두 트렌지스터의 도통에 따라 저항을 통하여 입력 전원(B+)의 미소 전류가 밧데리에 흐르도록 구성하여서 됨을 특징으로 하는 밧데리의 충전회로.The method of claim 1, wherein in the early charge / charge control unit 4, which is operated by a control signal through the TCHG terminal of the microprocessor, the micro-current of the input power source (B + ) through the resistor in accordance with the conduction of the two transistors Battery charging circuit characterized in that configured to flow in. 제 1 항에 있어서, 상기 마이크로프로세서의 QCHG 단자를 통한 제어신호에 의해 동작하는 급속 충전제어부에서는 두 트랜지스터의 도통에 따라 입력 전원(B+)이 직접 밧데리에 충전되도록 구성하여서 됨을 특징으로 하는 밧데리의 충전회로.The battery according to claim 1, wherein the quick charge control unit operating by a control signal through the QCHG terminal of the microprocessor is configured to directly charge the input power B + according to the conduction of two transistors. Charging circuit. 제 1 항에 있어서, 상기 밧데리의 양단 간의 전압을 두 분할 저항을 통하여 검출하는 밧데리 전압 검출부에서는 보호용 저항을 거쳐 마이크로프로세서에 충전전압치를 전달하도록 구성하여서 됨을 특징으로 하는 밧데리의 충전회로.The battery charging circuit according to claim 1, wherein the battery voltage detection unit for detecting a voltage between both ends of the battery through two split resistors is configured to transfer a charge voltage value to a microprocessor through a protection resistor. 충전시킬 밧데리가 장착되면 밧데리 검출 스위치가 온되는 상태를 통하여 마이크로프로세서에서 인식하여 표시부의 발광 다이오드를 점등시켜 조기 충전이 시작되었음을 외부로 알려주는 단계와, 상기 마이크로프로세서에서 조기 충전/보충전제어부의 두 트랜지스터를 도통시켜 저항을 통하여 입력 전원(B+)의 미소 충전전류가 밧데리에 흐르도록 하고, 조기 충전을 수행하는 중에 상기 밧데리 전압 검출부로 부터 입력받은 밧데리 전압과 조기 충전설정 전압을 비교하여 밧데리 전압이 크지 않으면 조기 충전을 계속 수행하는 단계와, 밧데리 전압이 조기 충전설정 전압에 도달할 때 까지 계속 감시하여 밧데리 전압이 조기 충전설정 전압에 도달하지 않거나, 조기 충전제한 시간내에 밧데리 전압이 상승하지 않으면, 마이크로프로세서에서 표시부의 발광 다이오드를 점멸시켜 밧데리가 이상 상태임을 외부로 알려주는 단계와, 밧데리 전압이 조기 충전설정 전압에 조기 충전제한 시간 이내에 도달하면 급속 충전모드로 전환하여 조기 충전을 정지시키는 동시에 제어신호를 출력하여 급속 충전제어부를 통해 입력 전원(B+)이 직접 밧데리에 흐르도록 하는 단계와, 급속 충전을 수행하는 중에 밧데리 전압이 급속 충전설정 전압에 도달할 때까지 계속 밧데리 전압을 감시하여 밧데리 전압이 급속 충전제한 시간 내에 급속 충전설정 전압에 도달하지 않거나, 급속 충전제한 시간내에 밧데리 전압이 상승하여 -△V에 도달하지 않으면, 발광 다이오드를 점멸시켜 이상 상태임을 외부로 알려주는 단계와, 급속 충전을 수행하는 중에 밧데리 전압과 급속 충전설정 전압을 비교하여 밧데리 전압이 크면, 보충전제한 시간 동안 보충전모드로 전환하는 단계와 밧데리의 양단 간의 전압을 두 분할 저항을 통하여 검출하여 충전전압을 인식하는 밧데리 전압 검출부를 통하여 밧데리의 충전전압만 감시하는 단계와, 밧데리를 충전시키는 중에 밧데리가 이탈된 상태를 밧데리 검출 스위치를 통하여 인식하면, 충전을 중단하면서 발광 다이오드를 소등시키는 단계들에 의해 수행됨을 특징으로 하는 밧데리의 충전회로.When the battery to be charged is mounted, the microprocessor recognizes the light through the battery detection switch and turns on the light emitting diode of the display unit to notify the outside that the early charging is started, and the early charge / charge control unit of the microprocessor The two transistors are connected so that the micro charging current of the input power source (B + ) flows through the resistor, and the battery voltage and the early charging set voltage inputted from the battery voltage detector are compared with the battery during the early charging. If the voltage is not high, continue the early charging and continue monitoring until the battery voltage reaches the early charging set voltage, so that the battery voltage does not reach the early charging set voltage or the battery voltage does not rise within the early charging time limit. If not, the microprocessor Flashing the LED to inform the outside that the battery is abnormal, and if the battery voltage reaches the early charging set voltage within the early charging limit time, it switches to the fast charging mode, stops early charging, and outputs a control signal. The input voltage (B + ) flows directly into the battery through the charging control unit, and the battery voltage is continuously monitored by monitoring the battery voltage until the battery voltage reaches the quick charge setting voltage during fast charging. If the fast charging setting voltage is not reached within the time or the battery voltage rises within the fast charging time limit and does not reach -ΔV, the LED is flashed to notify the outside that the abnormal state is occurring. If the battery voltage is high compared with the battery voltage and the quick charge setting voltage, Switching to the replenishment mode for one hour and monitoring only the charging voltage of the battery through the battery voltage detection unit that detects the voltage between the two ends of the battery through two split resistors and recognizes the charging voltage, and while charging the battery. Is detected by the battery detection switch, the charging circuit of the battery, characterized in that performed by the step of turning off the light emitting diode while stopping the charging. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960019302A 1996-05-31 1996-05-31 Battery charge circuit KR100191168B1 (en)

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Application Number Priority Date Filing Date Title
KR1019960019302A KR100191168B1 (en) 1996-05-31 1996-05-31 Battery charge circuit

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Application Number Priority Date Filing Date Title
KR1019960019302A KR100191168B1 (en) 1996-05-31 1996-05-31 Battery charge circuit

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KR970077877A true KR970077877A (en) 1997-12-12
KR100191168B1 KR100191168B1 (en) 1999-06-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100382447B1 (en) * 2000-12-27 2003-05-09 서창전기통신 주식회사 A complementary method of charging equipment for a radio handy terminal

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100498239B1 (en) * 2002-11-18 2005-07-01 주식회사 다내테크 A APPARATUS FOR RAPIDLY CHARGING THE NiCd/NiMH BATTERYS SERIALLY AND SIMULTANEOUSLY

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100382447B1 (en) * 2000-12-27 2003-05-09 서창전기통신 주식회사 A complementary method of charging equipment for a radio handy terminal

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