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KR970024429A - A control method for charging of secondary batteries - Google Patents

A control method for charging of secondary batteries Download PDF

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Publication number
KR970024429A
KR970024429A KR1019960045502A KR19960045502A KR970024429A KR 970024429 A KR970024429 A KR 970024429A KR 1019960045502 A KR1019960045502 A KR 1019960045502A KR 19960045502 A KR19960045502 A KR 19960045502A KR 970024429 A KR970024429 A KR 970024429A
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South Korea
Prior art keywords
secondary battery
charging
battery
temperature
control method
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KR1019960045502A
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Korean (ko)
Inventor
유키오 아이자와
고지 야마다
Original Assignee
오타 야스오
도시바 덴치 가부시키가이샤
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Priority claimed from JP7263879A external-priority patent/JPH09107638A/en
Priority claimed from JP7299662A external-priority patent/JPH09147921A/en
Application filed by 오타 야스오, 도시바 덴치 가부시키가이샤 filed Critical 오타 야스오
Publication of KR970024429A publication Critical patent/KR970024429A/en
Ceased legal-status Critical Current

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야 ;1. The technical field to which the invention described in the claims belongs;

2차 전지의 충전제어방법.Charge control method of secondary battery.

2. 발명이 해결하고자 하는 기술적 과제 ;2. The technical problem to be solved by the invention;

재충전량이 비교적 작은 2차전지에 대하여 과충전을 회피 혹은 방지하면서, 만충전상태로 함으로써 2차전지의 장수화를 도모함.Rechargeable secondary batteries can be prevented or prevented from being overcharged with a relatively small amount of rechargeable batteries, thereby making the secondary batteries longer.

3. 발명의 해결방법의 요지 ;3. Summary of Solution to Invention;

2차전지의 충전제어방법은, 급속충전에 의하여 2차전지의 온도가 단시간 내에 상승하고, 또한 소정의 온도미분치가 검출되었을 때에는, 2차전지가 만충전상태라고 판정하고, 그후는 2차전지의 자기방전분만을 보충하는 트릭클 충전으로 전환하여 충전을 하므로써, 2차전지가 과충전상태로 되는 것을 방지함.In the charging control method of the secondary battery, when the temperature of the secondary battery rises within a short time due to rapid charging and a predetermined temperature differential value is detected, the secondary battery is determined to be in a fully charged state, and then the secondary battery is Charging by switching to trickle charging that only replenishes self-discharged components prevents the secondary battery from becoming overcharged.

4. 발명의 중요한 용도 ;4. Important uses of the invention;

휴대용전화기나 휴대용촬영기등의 각종 전자기기를 동작시키기 위한 전원으로서 기기내부에 조립되는 니켈수소전지, 니켈카드뮴전지, 혹은 리튬이온전지등의 2차전지의 충전제어방법.A charging control method for secondary batteries such as nickel-metal hydride batteries, nickel cadmium batteries, or lithium ion batteries, which are assembled inside the apparatus as a power source for operating various electronic devices such as portable telephones and portable cameras.

Description

2차전지의 충전제어방법(A control method for charging of secondary batteries)A control method for charging of secondary batteries

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

제1도는 특허청구의 범위 제1항에 기재된 발명에 관한 2차전지의 충전제어장치의 요부 구성예를 도시하는 회로도,1 is a circuit diagram showing an example of main components of a charge control device for a secondary battery according to the invention described in claim 1;

제2도는 특허청구의 범위 제1항에 기재된 발명에 관한 2차전지의 충전동작을 도시하는 플로우차트,2 is a flowchart showing a charging operation of a secondary battery according to the invention described in claim 1,

제3도(a)는 특허청구의 범위 제1항에 기재된 발명에 관한 2차전지의 충전제어방법에서의 충전시간과 피충전전지의 온도, 전압, 충전전류의 관계예를 도시하는 특성도,FIG. 3 (a) is a characteristic diagram showing an example of the relationship between the charging time and the temperature, voltage, and charging current of the rechargeable battery in the charging control method of the secondary battery according to the invention described in claim 1;

제3도(b)는 종래의 2차전지의 충전제어방법에서의 충전시간과 피충전전지의 온도, 전압, 충전전류의 관계예를 도시하는 특성도,FIG. 3B is a characteristic diagram showing an example of the relationship between the charging time and the temperature, voltage, and charging current of the rechargeable battery in the conventional charging control method of the secondary battery;

제4도는 특허청구의 범위 제2항에 기재된 발명에 관한 2차전지의 충전제어방법을 설명하기 위한 플로우챠트.4 is a flowchart for explaining a method for controlling charge of a secondary battery according to the invention according to claim 2 of the claims.

Claims (7)

2차전지에 정전류로 급속충전하고, 그 충전진행에 따른 전지온도의 단위시간당의 온도변화(온도미분치)에 의해서 상기 2차전지의 만충전상태를 정지하여 충전을 정지 내지 종료하는 2차전지의 충전제어방법에 있어서, 상기 급속충전에 의하여 상기 2차전지의 온도가 단시간 내에 상승하고, 또한 소정의 온도미분치가 검출되었을 때, 상기 2차 전지가 만충전상태인 것으로 판정하고, 그후는 상기 2차전지의 자기방전분만을 보충하는 트릭클 충전으로 전환하는 것을 특징으로 하는 2차전지의 충전제어방법.A secondary battery that charges the secondary battery at a constant current rapidly and stops or terminates charging by stopping the full charge state of the secondary battery by a temperature change (temperature differential value) per unit time of the battery temperature according to the charging progress. In the charging control method of the present invention, when the temperature of the secondary battery rises within a short time due to the rapid charging and a predetermined temperature differential value is detected, the secondary battery is determined to be in a fully charged state, and then the A charging control method of a secondary battery, characterized by switching to trickle charging to supplement only the self-discharge component of the secondary battery. 2차전지에 정전류로 급속충전하고, 이 충전진행에 따르는 전지온도의 단위 시간당 온도변화(온도미분치)에 의해서 만충전을 검지하여, 충전의 정지 혹은 종료로 하는 2차전지의 충전제어방법에 있어서, 상기 충전하는 전지온도가, 충전하는 충전기의 주위온도보다 낮은 때에는 정전류·급속충전전류보다 낮은 값의 전류로 예비충전을 하며, 이 예비충전 중의 전지온도의 단위 시간당 온도변화(온도미분치)가 사전에 설정한 소정치보다도 작아졌을 때에 정전류·급속충전으로 이행하는 것을 특징으로 하는 2차전지의 충전제어방법.In the charging control method of the secondary battery, the secondary battery is rapidly charged with a constant current, the full charge is detected by the temperature change (temperature differential value) per unit time of the battery temperature according to the charging process, and the charge is stopped or terminated. When the battery temperature to be charged is lower than the ambient temperature of the charger to be charged, the battery is precharged with a current lower than the constant current and rapid charge current, and the temperature change per unit time of the battery temperature during the precharge (temperature differential) The method for controlling the charge of a secondary battery, characterized in that when the current becomes smaller than a predetermined value, the process shifts to constant current and rapid charging. 피충전 2차전지의 만충전 종료시에 타이머를 가동시키고, 상기 피충전 2차전지가 충전기로부터 발출, 삽입되었을 때가, 상기 타이머의 설정시간 중인가 설정시간 경과후인가에 따라서, 충전방식을 전환하는 것을 특징으로 하는 2차전지의 충전제어방법.The timer is operated at the end of full charge of the secondary battery to be charged, and the charging method is switched depending on whether the secondary battery is ejected or inserted from the charger during the set time of the timer or after the set time has elapsed. Charge control method of the secondary battery. 피충전 2차전지의 만충전 종료시에 세트하여 기동시킨 타이머의 설정시간 중에, 상기 피충전 2차전지를 충전기로부터 발출 삽입을 하였을 때는 트릭클 충전하고, 상기 타이머의 설정시간 내에 상기 피충전 2차전지를 충전기로부터 빼낸 시점의 전지전압을 기억하고, 상기 충전기에 상기 피충전 2차전지를 재차 삽입부착시켰을 때의 전지전압을 검출하며, 이 검출한 전지전압과 상기 기억시킨 전지전압과의 전압차를 산출하여, 이 전압차와 사전에 설정한 기준치를 비교하고, 이 비교결과에 따라 급속충전 혹은 보통충전과 트릭클 충전을 전환하여서 충전하는 것을 특징으로 하는 충전제어방법.During the set time of the timer set and started at the end of full charge of the charged secondary battery, when the inserted secondary battery is ejected from the charger, the battery is trickle-charged, and the charged secondary battery is charged within the set time of the timer. The battery voltage at the time when the battery is removed from the charger is stored, and the battery voltage when the rechargeable secondary battery is reinserted into the charger is detected. The voltage difference between the detected battery voltage and the stored battery voltage is calculated. And comparing the voltage difference with a preset reference value, and charging by switching between fast charging or normal charging and trickle charging according to the comparison result. 2차전지에 정전류로 충전하고, 그 충전진행에 따라 충전전압차가 어떤 설정전압치에 도달한 시점에서 정전압으로 충전하는 2차전지의 충전제어 방법에 있어서, 상기 정전압으로 충전하는 전압을 충전개시시의 전지온도에 따라 설정하는 것을 특징으로 하는 2차전지의 충전제어방법.In the charging control method of a secondary battery in which the secondary battery is charged with a constant current and charged at a constant voltage when a difference in charging voltage reaches a predetermined set voltage value as the charging progresses, the charging start of charging the voltage at the constant voltage starts. Charging control method of a secondary battery, characterized in that set according to the battery temperature. 2차전지에 설정전지 전압치까지 정전류모드로 충전한 후, 정전압모드로 이행하여 충전하는 2차전지의 충전제어방법으로서, 상기 정전류모드에서의 충전과정에 있어서의 단위 시간당 전지온도 변화(온도미분치)가, 소정의 값 이하가 된 시점에서, 충전개시시에 설정한 설정전지 전압치로부터, 이 때의 전지온도를 대상으로 한 설정전지 전압치로 변경하는 것을 특징으로 하는 2차전지의 충전방법.A charging control method of a secondary battery in which the secondary battery is charged in the constant current mode up to the set battery voltage value, and then shifts to the constant voltage mode, wherein the battery temperature changes per unit time in the charging process in the constant current mode (temperature differential Value) is changed from the set battery voltage value set at the start of charging to the set battery voltage value for the battery temperature at this time, when the value becomes less than a predetermined value. . 2차전지에 설치된 정전류 충전용 단자, 온도검출단자, 전지용량 검출단자 및 접속단자를 각각 대응하는 충전기의 접점에 접속하여 충전하는 2차전지의 충전제어방법에 있어서, 상기 2차전지의 종별에 따라 온도검출단자측, 혹은 전지용량 검출단자측 중, 어느 한 쪽에 온도검출소자를 끼워두고, 전지용량 검출단자측 혹은 온도검출단자측의 개방 혹은 폐쇄에 의한 충전기측의 전지용량 검출 접점 혹은 온도 검출 접점의 0v 전압치, 정전압치를 검출하여, 전지용량의 대소를 판정함과 동시에, 상기 전압치를 검출한 단자에 따라 상기 2차전지의 종별을 판정하고, 그 종별, 전지용량에 따른 방식으로 충전을 행하는 것을 특징으로 하는 2차전지의 충전제어방법.A charge control method of a secondary battery in which a constant current charging terminal, a temperature detecting terminal, a battery capacity detecting terminal, and a connecting terminal respectively installed in a secondary battery are connected to a contact of a corresponding charger to charge the battery. Accordingly, the battery capacity detection contact or temperature detection on the charger side is caused by inserting the temperature detection element on either the temperature detection terminal or the battery capacity detection terminal, and opening or closing the battery capacity detection terminal or the temperature detection terminal. Determining the magnitude of the battery capacity by detecting the 0v voltage value and the constant voltage value of the contact point, and determining the type of the secondary battery according to the terminal where the voltage value was detected, and charging in the manner according to the type and the battery capacity. A charging control method for a secondary battery, characterized in that the. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960045502A 1995-10-12 1996-10-12 A control method for charging of secondary batteries Ceased KR970024429A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP95-263879 1995-10-12
JP7263879A JPH09107638A (en) 1995-10-12 1995-10-12 Charging and controllng of secondary battery
JP95-299662 1995-11-17
JP7299662A JPH09147921A (en) 1995-11-17 1995-11-17 Charging method for secondary battery

Publications (1)

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KR970024429A true KR970024429A (en) 1997-05-30

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KR1019960045502A Ceased KR970024429A (en) 1995-10-12 1996-10-12 A control method for charging of secondary batteries

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100711207B1 (en) * 2002-01-30 2007-04-25 로베르트 보쉬 게엠베하 A battery unit, a battery-operated electric device, and a device composed of a battery-operated electric device, a rechargeable battery unit, and a battery charging device
KR100859402B1 (en) * 1999-03-17 2008-09-22 텔레폰악티에볼라겟엘엠에릭슨(펍) System and method for continuous charging of battery cells
KR20170072901A (en) * 2014-10-28 2017-06-27 가부시키가이샤 지비에스 Charging device, charging program, and charging method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100859402B1 (en) * 1999-03-17 2008-09-22 텔레폰악티에볼라겟엘엠에릭슨(펍) System and method for continuous charging of battery cells
KR100711207B1 (en) * 2002-01-30 2007-04-25 로베르트 보쉬 게엠베하 A battery unit, a battery-operated electric device, and a device composed of a battery-operated electric device, a rechargeable battery unit, and a battery charging device
KR20170072901A (en) * 2014-10-28 2017-06-27 가부시키가이샤 지비에스 Charging device, charging program, and charging method

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