KR970031148A - A circuit for changing the charge mode of chargeable battery - Google Patents

A circuit for changing the charge mode of chargeable battery Download PDF

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Publication number
KR970031148A
KR970031148A KR1019950041434A KR19950041434A KR970031148A KR 970031148 A KR970031148 A KR 970031148A KR 1019950041434 A KR1019950041434 A KR 1019950041434A KR 19950041434 A KR19950041434 A KR 19950041434A KR 970031148 A KR970031148 A KR 970031148A
Authority
KR
South Korea
Prior art keywords
battery
terminal
electrode
voltage
inverting input
Prior art date
Application number
KR1019950041434A
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Korean (ko)
Other versions
KR0151494B1 (en
Inventor
서맹호
최낙준
Original Assignee
김광호
삼성전자 주식회사
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.)
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Publication date
Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019950041434A priority Critical patent/KR0151494B1/en
Publication of KR970031148A publication Critical patent/KR970031148A/en
Application granted granted Critical
Publication of KR0151494B1 publication Critical patent/KR0151494B1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

본 발명은 충전 가능한 배터리의 쾌속 충전시 △V를 보다 정확하게 감지할 수 있고 배터리의 수명 단축을 방지하기 위한 것으로, 연산 증폭기(10)와, 다이오드(D1), 커패시터(C1, C2), 출력 전압의 조절이 가능한 전압 공급부(10), 비교기(30)로 구성되며, 배터리의 쾌속 충전시, 배터리가 완전 충전된 이후에 일어나는 자연 방전으로 인해 감소되는 전압이 소정의 전압(△V) 이상이 되거나, 배터리가 완전 충전된 이후 완전 충전 시점으로부터 배터리의 내부 온도가 급상승하기 시작하는 시점 이전까지의 소정의 시간이 경과하면 배터리의 쾌속 충전 모드를 자동으로 세류 충전 모드로 변환한다.The present invention is to more accurately detect the ΔV during rapid charge of the rechargeable battery and to prevent shortening of the battery life, the operational amplifier 10, the diode (D1), capacitors (C1, C2), output voltage It is composed of a voltage supply unit 10, a comparator 30 that can be adjusted, and when the fast charging of the battery, the voltage that is reduced due to the natural discharge that occurs after the battery is fully charged or the predetermined voltage (ΔV) or more When a predetermined time elapses from the time when the battery is fully charged to the time when the internal temperature of the battery starts to rise rapidly, the rapid charging mode of the battery is automatically converted into the trickle charging mode.

Description

충전 가능한 배터리의 충전 모드 변환 회로(a circuit for changing the charge mode of chargeable battery)A circuit for changing the charge mode of chargeable battery

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

제1도는 충전 가능한 배터리의 특성 곡선을 나타낸 도면.1 shows a characteristic curve of a rechargeable battery.

제2도는 본 발명에 따른 충전 모드 변환 회로의 바람직한 실시예의 회로도.2 is a circuit diagram of a preferred embodiment of a charge mode conversion circuit according to the present invention.

제3도는 배터리 전압에 따른 충전 모드 변환 회로의 출력 전압의 파형도.3 is a waveform diagram of an output voltage of a charging mode conversion circuit according to a battery voltage.

Claims (2)

배터리 전압(Vbatt)이 인가되는 비반전 입력 단자를 갖고, 상기 배터리 전압의 감소가 시작될 때 상기 배터리 전압의 감소율에 비해 상대적으로 더 높은 감소율을 갖는 출력 신호(Vout)를 제공하는 연산 증폭기와; 상기 연산 증폭기의 반전 입력 단자에 제1단자가 연결되고 상기 연산 증폭기의 출력 단자에 제2단자가 연결되며, 상기 연산 증폭기의 상기 출력 단자 및 상기 반전 입력 단자의 전압 크기에 따라서 온/오프되는 스위치 수단과; 상기 스위치 수단의 상기 제1단자에 두 전극들 중 제1전극이 연결되고 제2전극이 접지되는 제1커패시터와; 정 및 부전극들을 갖되, 상기 부전극은 상기 다이오드의 상기 애노우드전극에 연결되며, 가변 가능한 출력 전압을 갖는 전압 공급부와; 상기 스위치 수단에 병렬로 연결되되, 두 전극들 중 제1전극이 상기 상기 스위치 수단의 상기 제1단자와 연결되고 제2전극이 상기 스위치 수단의 상기 제2단자와 연결되는 제2커패시터와; 상기 전압 공급부의 상기 정전극에 연결되는 비반전 입력 단자와 상기 제1커패시터의 상기 제1전극에 연결되는 반전 입력 단자 및 세류 충전 모드 변환단에 연결되는 출력 단자를 갖는 비교기를 포함하는 충전 가능한 배터리의 충전 모드 변환 회로.An operational amplifier having a non-inverting input terminal to which a battery voltage (V batt ) is applied and providing an output signal (Vout) having a relatively higher reduction rate compared to the reduction rate of the battery voltage when the reduction of the battery voltage starts; A first terminal connected to an inverting input terminal of the operational amplifier and a second terminal connected to an output terminal of the operational amplifier, the switch being turned on / off according to a voltage level of the output terminal and the inverting input terminal of the operational amplifier Means; A first capacitor having a first electrode of two electrodes connected to the first terminal of the switch means and a second electrode being grounded; A voltage supply having positive and negative electrodes, the negative electrode being connected to the anode electrode of the diode and having a variable output voltage; A second capacitor connected in parallel to the switch means, wherein a first electrode of the two electrodes is connected to the first terminal of the switch means and a second electrode is connected to the second terminal of the switch means; A rechargeable battery comprising a comparator having a non-inverting input terminal connected to the positive electrode of the voltage supply unit, an inverting input terminal connected to the first electrode of the first capacitor, and an output terminal connected to the trickle charging mode conversion terminal. Charge mode conversion circuit. 제1항에 있어서, 상기 스위치 수단은 다이오드를 포함하는 충전 가능한 배터리의 충전 모드 변환 회로.The charging mode conversion circuit of claim 1, wherein the switch means comprises a diode. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950041434A 1995-11-15 1995-11-15 Charging mode conversion circuit of battery KR0151494B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950041434A KR0151494B1 (en) 1995-11-15 1995-11-15 Charging mode conversion circuit of battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950041434A KR0151494B1 (en) 1995-11-15 1995-11-15 Charging mode conversion circuit of battery

Publications (2)

Publication Number Publication Date
KR970031148A true KR970031148A (en) 1997-06-26
KR0151494B1 KR0151494B1 (en) 1998-12-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950041434A KR0151494B1 (en) 1995-11-15 1995-11-15 Charging mode conversion circuit of battery

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020035026A (en) * 2002-02-22 2002-05-09 안병주 The control system that the storage battery for quick charging can full charged
KR100341415B1 (en) * 1997-07-31 2002-08-22 삼성전기주식회사 Voltage supply circuit of storage battery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100341415B1 (en) * 1997-07-31 2002-08-22 삼성전기주식회사 Voltage supply circuit of storage battery
KR20020035026A (en) * 2002-02-22 2002-05-09 안병주 The control system that the storage battery for quick charging can full charged

Also Published As

Publication number Publication date
KR0151494B1 (en) 1998-12-15

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