The present invention relates to an LED traffic light having a dimming control function performed by using a phase counter method. The LED traffic light comprises: a rectifying unit for converting an AC driving voltage received from a traffic signal controller into a DC driving voltage; a driving current unit for converting the DC driving voltage into a constant current to provide the constant current to an LED lamp; and a control unit for extracting an illuminance value to control dimming by analyzing a waveform of the AC driving voltage in a dimming control mode, and generating a driving signal to adjust brightness of the LED lamp based on the illuminance value.

    본 발명은 조광 제어 기능을 갖는 LED 신호등에 관한 것으로, 교통신호 제어기로부터 수신된 AC 구동 전압을 DC 구동 전압으로 변환하는 정류부; 상기 DC 구동 전압을 정전류로 변환하여 LED 램프로 제공하는 구동 전류부; 및 조광 제어 모드 시, 상기 AC 구동 전압의 파형을 분석하여 조광 제어를 위한 조도 값을 추출하고, 상기 조도 값을 기반으로 LED 램프의 밝기를 조절하기 위한 구동 신호를 생성하는 제어부를 포함한다.


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    Titel :

    LED LED TRAFFIC LIGHT HAVING A DIMMING CONTROL FUNCTION


    Weitere Titelangaben:

    조광 제어 기능이 구비된 LED 신호등


    Beteiligte:
    SUAL DONG YUAL (Autor:in) / CHOI HYUN SEOK (Autor:in) / KIM YOUN SOON (Autor:in)

    Erscheinungsdatum :

    08.06.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    H05B ELECTRIC HEATING , Elektrische Heizung / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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