中国照明电器
中國照明電器
중국조명전기
CHINA LIGHT & LIGHTING
2012年
2期
1-7
,共7页
热管%LED冷却%传热系数
熱管%LED冷卻%傳熱繫數
열관%LED냉각%전열계수
heat pipe%LED cooling%heat transfer coefficient
对当前大功率发光二极管(LED)照明散热技术的现状进行了介绍。针对LED照明热源的特点,开发了一系列具有特殊翅片结构的热管换热器,并对不同工况下各种热管的散热能力进行了测试,测试结果表明,所研发的新型热管换热器散热能力比普通热管换热器有明显提高,结构更加紧凑,其中,外翻形翅片结构的热管换热器散热能力最好,可为LED照明散热技术的发展和研究提供参考。
對噹前大功率髮光二極管(LED)照明散熱技術的現狀進行瞭介紹。針對LED照明熱源的特點,開髮瞭一繫列具有特殊翅片結構的熱管換熱器,併對不同工況下各種熱管的散熱能力進行瞭測試,測試結果錶明,所研髮的新型熱管換熱器散熱能力比普通熱管換熱器有明顯提高,結構更加緊湊,其中,外翻形翅片結構的熱管換熱器散熱能力最好,可為LED照明散熱技術的髮展和研究提供參攷。
대당전대공솔발광이겁관(LED)조명산열기술적현상진행료개소。침대LED조명열원적특점,개발료일계렬구유특수시편결구적열관환열기,병대불동공황하각충열관적산열능력진행료측시,측시결과표명,소연발적신형열관환열기산열능력비보통열관환열기유명현제고,결구경가긴주,기중,외번형시편결구적열관환열기산열능력최호,가위LED조명산열기술적발전화연구제공삼고。
Various cooling systems and methods applied to high power LED lamps are introduced.According to the characteristics of high power LED lamps,a series of heat pipes with specific fin structures are developed and tested under different conditions.Test results show that the new heat pipe heat exchangers feature higher efficiency of heat dissipation and more compact construction than the conventional heat pipe heat exchangers and that the new heat exchanger with outwards-radiate fins has the best heat dissipation performance.The research findings can provide reference for the development of LED lamp cooling technology.