| 大功率LED冷却用平板热管散热器的实验研究 |
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| 引用本文： | 寇志海.大功率LED冷却用平板热管散热器的实验研究[J].光电子．激光,2010(4):485-488. |
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| 作者姓名： | 寇志海 |
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| 作者单位： | 大连理工大学能源与动力学院;大连三维传热技术有限公司; |
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| 基金项目： | 国家自然科学基金资助项目(50876016) |
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| 摘 要： | 对一种新型平板热管散热器冷却大功率LED芯片阵列进行实验研究。在自然对流冷却条件下,分析了平板热管散热器的启动特性、均温特性以及通电电流、倾角对其传热性能的影响。利用热电转换方法得到LED芯片的结温变化。实验结果表明:平板热管散热器的总热阻在0.3053～0.3425℃/W间,且散热器整体温度分布均匀合理,具有很强的散热能力;LED结温在47.9～59.0℃间,远低于110℃。
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| 关 键 词： | 大功率LED 平板热管散热器 传热性能 结温 |
Experimental investigation on a flat heat pipe radiator for cooling high power LEDs |
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| KOU Zhi-hai.Experimental investigation on a flat heat pipe radiator for cooling high power LEDs[J].Journal of Optoelectronics·laser,2010(4):485-488. |
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| Authors: | KOU Zhi-hai |
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| Affiliation: | KOU Zhi-hai1,BAI Min-li1,YANG Hong-wu2(1.School of Energy , Power Engineering,Dalian University of Technology,Dalian 116024,China,2.Dalian Thermalway Heat Transfer Technology Co.Ltd,Dalian 116110,China) |
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| Abstract: | A novel flat heat pipe radiator is put forward and the experimental investigation on heat transfer performance of the flat heat pipe radiator for cooling high power LED array is established.The startup performance,temperature uniformity of the flat heat pipe radiator and the effects of the heat load and tilt angle on the thermal characteristics in natural convection are analyzed.An electrical-thermal conversion method is used to measure the junction temperature of the high power LED.It is found that the tot... |
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| Keywords: | high power LED flat heat pipe radiator heat transfer performance junction temperature |
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