KR960009319A

KR960009319A - Overcharge prevention charging device

Info

Publication number: KR960009319A
Application number: KR1019940021686A
Authority: KR
Inventors: 이규택
Original assignee: 배순훈; 대우전자 주식회사
Priority date: 1994-08-31
Filing date: 1994-08-31
Publication date: 1996-03-22

Abstract

본 발명은 충전되는 축전지의 전압과 미리 설정된 지정의 충전 전압을 비교하여 과충전을 방지하도록 한 과충전 방지 충전 장치에 관한 것으로, 이를 위하여 교류 전원을 전압 강압과 정류를 통해 소정의 직류 전원으로 변환하기 위한 전압 변환부와, 상기 전압 변환부로부터의 전원을 전류 제한하여 충전하기 위한 카트리지가 장착된 축전지부를 포함하는 충전기에 있어서, 상기 전압 변환부로부터 제공되는 전원을 보다 안정된 전류로 공급하기 위한 정전류 공급부와, 상기 전압 변환부로부터 제공되는 전류를 상기 정전류 공급부로 선택적으로 제공하기 위한 스위치부와, 과충전을 방지하기 위하여 상기 축전지부에서 충전도는 축전지의 전압과 미리 설정된 적정 충전 전압을 비교하여 그에 사을하는 스위칭 제어 신호를 상기 스위치부로 발생하는 전압 비교 제어부를 포함하는 것을 특징으로 하는 과충전 방지 충전 장치를 제공함으로써, 과충전을 방지하여 보다 축전지의 수명을 늘리 수 있도록 한 것이다.The present invention relates to an overcharge preventing charging device which compares a voltage of a battery to be charged with a predetermined charging voltage to prevent overcharging, and for this purpose, converts an AC power into a predetermined DC power through voltage step-down and rectification. A charger comprising a voltage converter, and a battery unit equipped with a cartridge for charging a current-limited power supply from the voltage converter, comprising: a constant current supply unit for supplying power provided from the voltage converter to a more stable current; A switch unit for selectively providing the current provided from the voltage converter to the constant current supply unit, and the charge degree in the battery unit in order to prevent overcharging is compared with the appropriate charging voltage set in advance to the voltage of the battery to The generation of the switching control signal to the switch unit It is to provide an overcharge preventing charging device, characterized in that it comprises a pressure comparison control unit, to prevent overcharge to increase the life of the storage battery.

Description

Overcharge prevention charging device

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

제1도는 본 발명에 따른 과충전을 방지한 충전 장치에 대한 개략적인 블럭 구성도,1 is a schematic block diagram of a charging device for preventing overcharging according to the present invention;

제2도는 제1도에 대한 회로도,2 is a circuit diagram of FIG.

제3도는 종래의 전형적인 충전지에 대한 회로도.3 is a circuit diagram of a typical typical rechargeable battery.

Claims

A charger comprising a voltage converter for converting AC power into a predetermined DC power through voltage step-down and rectification, and a battery unit including a cartridge for limiting and charging current from the voltage converter. A constant current supply unit for supplying a power supplied from the converter at a more stable voltage; A switch unit for selectively providing power supplied from the voltage converter to the constant current supply unit; In order to prevent overcharging, an overcharge preventing charging device further comprising a voltage comparison controller configured to compare the voltage of the battery charged in the battery unit with a predetermined appropriate charging voltage and generate a corresponding switching control signal to the switch unit. .

The overcharge preventing charging device according to claim 1, further comprising charge display means connected between the battery unit and the constant current supply unit to indicate a state of charge.

The voltage comparison controller of claim 1, wherein the voltage comparison controller connects a base of the transistor to an output terminal of the operational amplifier for comparison, a collector is connected through a resistor to an output line from the voltage converter, and an emitter is connected to the switch unit. Overcharge preventing charging device characterized in that connected to.

※ Note: The disclosure is based on the initial application.