LED조명기구의 공급전원(직류, 교류)에 따른 온도와 조도변화의 비교분석에 관한 연구
A Study on the Comparative Analysis of Changes in Temperature and Illuminance According to the Type of Power Supply(DC, AC) for LED Lighting Fixtures
1
조회
0
다운로드
2
인용
0
참고문헌
키워드
초록
본 연구는 현재 건축물 옥외, 옥내조명과 주변 산업에 많이 응용 사용되고 있는 LED조명기구를 교류전원을 공급 하였을 때와 직류전원을 공급하였을 때의 자체 조명기구 온도 상승 폭과 조도 감소폭을 동시에 측정 비교분석 하였다. 측정은 두 번의 절차로 진행되었다. 처음에는 단일 LED조명기구의 측정을 3시간동안 30분 간격별 온도와 조도를 간단히 비교 한 결과 컨버터를 생략한 직류전원공급이 온도상승폭이 적고, 조도 감쇠폭도 적다는 것을 확인 후, 정밀한 측정을 위해 9개의 LED조명기구를 3X3으로 배치하여 다시 온도와 조도를 8시간동안 30분 간결별 온도와 조도를 측정하여 전원별로 비교하였다. 측정된 비교분석에서 얻은 결과는 교류전원 공급의 경우는 열 발생이 많은 변환기(AC>DC_컨버터)가 내부에 배치되어 LED조명기구 안에 배치된 LED칩에 온도상승을 가져와 광속과 조도가 감소되는 현상을 확인하였다. 반면 변환기(AC>DC_컨버터)없이 직접 직류전원을 공급한 경우에는 온도상승이 적은 폭으로 변화되어 광속과 조도 감소폭이 변환기(AC>DC_컨버터)을 사용한 교류전원 공급에 비해 매우 적은 폭으로 감소되었다. 이 실험을 통해서 AC>DC로 변환하는 컨버터 자체의 전기에너지의 손실은 물론, 컨버터 변환기의 발생열이 가까이 배치되어 있는 LED칩 또는 부하에 적지 않은 온도상승 영향을 주고 있다는 실험결과를 확인하였다.
Abstract
In this study, the temperature rise and illuminance decrease of LED lighting fixtures, which are currently widely used in outdoor and indoor lighting of buildings and surrounding industries, were measured and compared at the same time when AC power was supplied and when DC power was supplied. Measurements were carried out in two steps. At first, as a result of simply comparing the temperature and illuminance for each 30-minute interval for 3 hours for measurement of a single LED lighting fixture, it was confirmed that the DC power supply omitting the converter has a small temperature rise and a small illuminance attenuation. Nine LED lighting fixtures were arranged in 3X3, and the temperature and illuminance were measured again for 8 hours for 30 minutes and then compared by power source. The results obtained from the measured comparative analysis show that, in the case of AC power supply, a converter (AC>DC_converter) that generates a lot of heat is placed inside, and the temperature rises in the LED chip placed in the LED lighting fixture, and the luminous flux and illuminance decrease. The phenomenon was confirmed. On the other hand, when direct current power is supplied without a converter (AC>DC_converter), the temperature rise is small, and the decrease in luminous flux and illuminance is very small compared to AC power supply using a converter (AC>DC_converter). decreased. Through this experiment, it was confirmed that not only the loss of the electric energy of the converter itself, which converts AC>DC, but also the heat generated by the converter converter has a considerable effect on the temperature rise on the LED chip or the load placed nearby.
참고문헌 (13)
- Y. Jo, "Temperature reliability and lifetime prediction of LEDs", Journal of Electrical and Electronic Materials Society, 25(8), pp.25~30 (2012)
- Ministry of Land, Infrastructure and Transport, "Green Architecture Division of the Ministry of Land, Infrastructure and transport, continuous reduction of building energy consumption getting closer to carbon neutrality", pp.3~ (2021), Ministry of Land, Infrastructure and Transport
- Energy innovation policy division, 3rd basic energy plan, "Ministry of Trade, Industry and Energy", 35~39 (2019)
- Ministry of Land, Infrastructure and Transport, "Green Architecture Division of the Ministry of Land, Infrastructure and transport announced plans to activate green architecture to achieve carbon neutrality in 2050", pp.9~ (2021), Ministry of Land, Infrastructure and Transport
- Korea Energy Agency, "Zero znergy building 2020 certification guide", pp.2~8 (2020)
- M. S. Park, "A study on the comparative analysis of temperature change according to ac power supply and dc power supply for led lighting fixtures", Papers from the 30th 2021 Korean Society of Knowledge and Information Technology Fall Conference (2021)
- S. G. Hong, "Easy led, led guidebook for beginners", pp.14~68 (2017), Hanbit Academy
- 박명석, "HMI와 PLC를 기반으로 한 LED조명의 효율적인 제어시스템 구현에 관한 연구", 한국지식정보기술학회 논문지, 16(4), pp.731~740 (2021), 한국지식정보기술학회[DOI]
- J. W. Park, "Cooling energy saving by removing the heat from led lighting in office buildings", 석사, pp.2016
- 이팔진, "빛공해방지를 위한 다목적 유도조명 설계", 한국지식정보기술학회 논문지, 7(6), pp.125~134 (2012), 한국지식정보기술학회
- 전병찬, "임베디드 서버 기반 영농 모니터링 자동화 시스템 구현", 한국지식정보기술학회 논문지, 9(3), pp.387~399 (2014), 한국지식정보기술학회
- M. S. Park, "A study on the implementation of individual lighting control for led lighting fixtures with converters removed for the improvement of building energy loss and convenience", 박사, pp.2020