KR970073237A

KR970073237A - Lighting device

Info

Publication number: KR970073237A
Application number: KR1019960013991A
Authority: KR
Inventors: 손태염; 홍동원
Original assignee: 김광호; 삼성전자 주식회사; 손태염; 대고전자 주식회사
Priority date: 1996-04-30
Filing date: 1996-04-30
Publication date: 1997-11-07

Abstract

본 발명은 조명 장치에 관한 것으로, 램프의 조도를 제어하도록 키이 신호를 입력하는 키이 입력 수단과, 상기 키이 입력 수단에 의해 입력된 키이 신호에 따라 상기 램프의 조도를 제어하는 제어 수단과, 상기 키이 입력 수단에 의해 입력된 키이 신호에 따라 상기 제어수단으로부터 출력되는 조도 제어 신호를 받아서 상기 램프의 조도를 제어하도록 전류를 제어하는 전류 조정 수단과, 상기 전류 조정 수단으로부터 조정되는 전류 제어 신호를 입력받아 상기 램프를 구동하는 램프 구동 수단과, 상기 램프 구동 수단의 스위칭 소자를 제로 크로싱 제어시키도록 상기 스위칭 소자의 드레인과 소오스 사이의 전위차를 검출하는 전위 차 검출 수단으로 이루어져서 스위칭 소자를 제로 크로싱 제어시킴으로써 전자 자기 장해나 무선 주파 장애를 감소시킬 수 있는 매우 뛰어난 효과가 있다.The present invention relates to a lighting apparatus, comprising: key input means for inputting a key signal to control illumination of a lamp; control means for controlling illuminance of the lamp according to a key signal input by the key input means; Current control means for receiving a brightness control signal outputted from the control means in accordance with a key signal inputted by the input means and controlling the current so as to control the brightness of the lamp; And a potential difference detecting means for detecting a potential difference between a drain and a source of the switching element so as to control the switching element of the lamp driving means so as to perform zero crossing control of the switching element, Can reduce self-disturbance or radio frequency interference There is a very good effect.

Description

Lighting device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 본 발명의 일실시예에 의한 조명 장치의 회로도.FIG. 1 is a circuit diagram of a lighting apparatus according to an embodiment of the present invention; FIG.

Claims

A lighting device comprising: key input means for inputting a key signal to control the illuminance of a lamp; control means for controlling illuminance of the lamp in accordance with a key signal input by the key input means; A frequency control means for receiving a luminance control signal output from the control means in accordance with an input key signal and controlling a frequency corresponding to the illuminance of the lamp; a lamp control means for receiving the frequency output from the frequency control means, And a potential difference detecting means for detecting a potential difference between a drain and a source of the switching element so as to control the switching element of the lamp driving means to perform zero crossing control.

2. The switching regulator according to claim 1, wherein the potential difference detecting means comprises a voltage dividing circuit for dividing a potential difference between a drain and a source of the switching element so as to output a potential difference between a drain and a source of the switching element to the lamp driving integrated circuit of the frequency controlling means And resistors R21 and R22.

※ Note: It is disclosed by the contents of the first application.