[1]王静,蔡忆昔,包伟伟,等.针——网式离子风发生器的散热研究[J].郑州大学学报(工学版),2016,37(03):88.[doi:10.13705/ j. issn.1671 -6833.2016.03.020]
　WANG Jing,CAI Yixi,BAO Weiwei,et al.Cooling Performance Study of Ionic Wind Excited by Needles-Net Structure[J].Journal of Zhengzhou University (Engineering Science),2016,37(03):88.[doi:10.13705/ j. issn.1671 -6833.2016.03.020]
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针——网式离子风发生器的散热研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
37
期数:
2016年03期
页码:
88
栏目:
出版日期:
2016-05-10

文章信息/Info

Title:
Cooling Performance Study of Ionic Wind Excited by Needles-Net Structure
作者:
王静; 蔡忆昔; 包伟伟; 李慧霞
江苏大学汽车与交通工程学院,江苏镇江212013
Author(s):
WANG Jing; CAI Yixi; BAO Weiwei; Ll Huixia
School of Automotive and ’Traffic Engineering，Jiangsu University ,Zhenjiang 212013，China
关键词:
电晕放电; 离子风; 大功率LED; 强化传热; 结温
Keywords:
corona discharge ;  ionic wind;  high power LED; enhancement of heat transfer;  junction tempera-
分类号:
U463.65 +1 0539
DOI:
10.13705/ j. issn.1671 -6833.2016.03.020
文献标志码:
A
摘要:
基于电晕放电原理,设计了一种“针-网"结构的离子风发生器,成功实现了离子风的激发,并用于大功率LED芯片散热.通过实验研究了放电间距、电压极性、电极布置形式不同时,发生器的电学特性变化及其对大功率LED芯片散热性能的影响,并比较了离子风发生器与风扇的散热效果.结果表明:相同条件下负电晕放电时的散热性能要优于正电晕放电,放电间距较小时,芯片引脚温度更低;1 x11阵列形式对应的散热效果最好,当放电功率超过2W时,芯片引脚最低温度为52.3℃;离子风发生器能实现与风扇较为接近的散热效果,适用于大功率LED芯片的散热．
Abstract:
Based on the principle of corona discharge,a needles-net structure generator was designed.The i-onic wind excitation was implemented,and it was used for high power LED chip heat dissipation. The experi-mental study of generator’s electrical properties change and its effect on the properties of high power LED heatdissipation under different discharge gap,voltage polarity and electrode arrangement were carried out. Thecooling performances of the ionic wind generator and the cooling fan were compared. The results show that ,the heat dissipation performance of negative corona discharge is superior to the positive corona discharge underthe same conditions, and the discharge spacing is smaller,the lower LED pin temperature it is.The best cool-ing performance will be reached at 1 x1l needles array form,and the lowest LED pin temperature is 52.3℃when the discharge power is more than 10 W. The device can realize the heat dissipation effect more close toa cooling fan,and it is suitable for high power LED chip heat dissipation.
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