KR970055046A - Battery charge control device - Google Patents

Battery charge control device Download PDF

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Publication number
KR970055046A
KR970055046A KR1019950047459A KR19950047459A KR970055046A KR 970055046 A KR970055046 A KR 970055046A KR 1019950047459 A KR1019950047459 A KR 1019950047459A KR 19950047459 A KR19950047459 A KR 19950047459A KR 970055046 A KR970055046 A KR 970055046A
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KR
South Korea
Prior art keywords
battery
remaining capacity
pulse
switch
bat
Prior art date
Application number
KR1019950047459A
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Korean (ko)
Inventor
이상호
Original Assignee
정몽원
만도기계 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 정몽원, 만도기계 주식회사 filed Critical 정몽원
Priority to KR1019950047459A priority Critical patent/KR970055046A/en
Publication of KR970055046A publication Critical patent/KR970055046A/en

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Abstract

본 발명은 밧데리의 충전장치에 관한 것으로, 특히 밧데리의 잔존용량에 따라 충전비율을 변화시켜 급속충전 및 보수충전을 효과적으로 수행할 수 있도록 된 밧데리의 충전제어장치에 관한 것이다.The present invention relates to a battery charging device, and more particularly, to a charge control device for a battery that is able to effectively perform rapid charging and maintenance charging by changing the charging ratio according to the remaining capacity of the battery.

본 발명에 따른 밧데리의 충전제어장치는 일정 펄스신호를 발생시키는 펄스발생부(U6)와, 상기 펄스발생부(U6)로부터 출력되는 펄스신호를 구동시호로 입력받는 스위치(T2)를 구비하여 상기 스위치(T2)의 구동에 따라 밧데리(BAT)에 공급되는 충전전류가 단속제어되는 밧데리의 충전장치에 있어서, 상기 밧데리(BAT)의 단자간 전압과 일정 기준전압을 비교하여 밧데리(BAT)의 잔존용량을 검출하는 잔존용량검출부(20)와, 상기 잔존용량검출부(20)에서 검출된 밧데리(BAT)의 잔존용량에 따라 상기 펄스발생부(U6)로부터 출력되는 펄스폭을 가변시켜 상기 스위치(T2)의 온오프주기를 제어하는 펄스폭변환부(10)를 구비한다.The battery charging control device according to the present invention includes a pulse generating unit (U6) for generating a predetermined pulse signal, and a switch (T2) for receiving the pulse signal output from the pulse generating unit (U6) as a driving time signal; In a battery charging device in which the charging current supplied to the battery BAT is intermittently controlled according to the operation of the switch T2, the battery BAT remains by comparing the voltage between the terminals of the battery BAT and a predetermined reference voltage. The switch T2 by varying the pulse width output from the pulse generating unit U6 according to the remaining capacity detecting unit 20 for detecting the capacitance and the remaining capacity of the battery BAT detected by the remaining capacity detecting unit 20. A pulse width converting section 10 for controlling the on-off period of

Description

밧데리의 충전제어장치Battery charge control device

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

제2도는 종래 타실시예에 따른 밧데리충전장치의 구성을 보인 회로도,2 is a circuit diagram showing the configuration of a battery charging device according to another embodiment,

제3도는 본 발명에 따른 밧데리 충전제어장치의 구성을 보인 회로도,3 is a circuit diagram showing the configuration of a battery charge control device according to the present invention,

제4도는 제3도의 각 지점(a)-(f)에서의 출력신호를 보인 출력파형도이다.4 is an output waveform diagram showing an output signal at each point (a)-(f) of FIG.

Claims (3)

일정 펄스신호를 발생시키는 펄스발생부(U6)와, 상기 펄스발생부(U6)로부터 출력되는 펄스신호를 구동시호로 입력받는 스위치(T2)를 구비하여 상기 스위치(T2)의 구동에 따라 밧데리(BAT)에 공급되는 충전전류가 단속제어되는 밧데리의 충전장치에 있어서, 상기 밧데리(BAT)의 단자간 전압과 일정 기준전압을 비교하여 밧데리(BAT)의 잔존용량을 검출하는 잔존용량검출부(20)와, 상기 잔존용량검출부(20)에서 검출된 밧데리(BAT)의 잔존용량에 따라 상기 펄스발생부(U6)로부터 출력되는 펄스폭을 가변시켜 상기 스위치(T2)의 온오프주기를 제어하는 펄스폭변환부(10)를 구비하는 것을 특징으로 하는 밧데리의 충전제어장치.A pulse generator U6 for generating a predetermined pulse signal and a switch T2 for receiving a pulse signal output from the pulse generator U6 as a driving time are provided to drive a battery according to the driving of the switch T2. In a battery charging device in which the charging current supplied to BAT is intermittently controlled, the remaining capacity detecting unit 20 comparing the voltage between terminals of the battery BAT and a predetermined reference voltage to detect the remaining capacity of the battery BAT And a pulse width controlling the on / off period of the switch T2 by varying the pulse width output from the pulse generator U6 according to the remaining capacity of the battery BAT detected by the remaining capacity detection unit 20. Charge control device for a battery, characterized in that it comprises a conversion unit (10). 제1항에 있어서, 상기 잔존용량검출부(20)는 상기 밧데리(BAT)의 단자간 전압과 일정 기준전압을 비교하여 그 차를 산출하는 제1차동증폭기(U9)인 것을 특징으로 하는 밧데리의 충전제어장치.The method of claim 1, wherein the remaining capacity detecting unit 20 is a first differential amplifier (U9), characterized in that for comparing the voltage between the terminals of the battery (BAT) and a predetermined reference voltage to calculate the difference. Control unit. 제1항 또는 제2항에 있어서, 상기 펄스변환부(10)는 상기 잔존용량검출부(20)의 제1차동증폭기(U9)의 출력신호와 펄스폭을 가변시키기 위한 일정 기준전압과의 차를 산출하는 제2차동증폭기(U4)와, 상기 제2차동증폭기(U4)의 출력전압을 비반전단자에 입력받고 상기 펄스발생부(U6)의 출력전압을 반전단자에 입력받아 그 차가 0이상인 경우 펄스신호를 출력하여 상기 스위치(T2)를 오프시키는 비교기(U5)를 구비한 것을 특징으로 하는 밧데리의 충전제어장치.The method of claim 1 or 2, wherein the pulse converter 10 is a difference between the output signal of the first differential amplifier (U9) of the residual capacitance detection unit 20 and a predetermined reference voltage for varying the pulse width When the second differential amplifier U4 to be calculated and the output voltage of the second differential amplifier U4 are input to the non-inverting terminal and the output voltage of the pulse generator U6 is input to the inverting terminal, and the difference is greater than or equal to zero. And a comparator (U5) for outputting a pulse signal to turn off the switch (T2). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950047459A 1995-12-07 1995-12-07 Battery charge control device KR970055046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950047459A KR970055046A (en) 1995-12-07 1995-12-07 Battery charge control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950047459A KR970055046A (en) 1995-12-07 1995-12-07 Battery charge control device

Publications (1)

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KR970055046A true KR970055046A (en) 1997-07-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950047459A KR970055046A (en) 1995-12-07 1995-12-07 Battery charge control device

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