某户外电子设备的热设计及仿真试验  

Thermal Design and Simulation of Outdoor Electronic Equipment

作　　者：于斌 YU Bin(China Electronics Technology Instruments Co.,Ltd,Qingdao Shandong 266555,China)

机构地区：[1]中电科仪器仪表有限公司,山东青岛266555

出　　处：《机械研究与应用》2020年第2期68-70,共3页Mechanical Research & Application

摘　　要：某电子设备为户外使用,环境适应性要求高,有防雨要求。针对此设备自身功耗较大,体积较小,天线罩外壳材料导热能力差等问题,以该设备的热设计为研究对象,通过热仿真分析,预测设备在最高55℃环境条件下的内部温度分布,并进行优化设计。首先,根据结构设计方案以及器件参数建立热仿真模型,并进行仿真和设计优化。然后,对实际样机进行热测试,通过验证和进一步优化仿真模型和参数,达到提高了仿真的精确度的目的。对于整机的热设计及试验有重要的指导意义。The outdoor electronic equipment should have the requirements of environmental adaptability and rain protection;meanwhile,due to its high power consumption and small volume,and the low thermal conductivity of the radome shell material,there would be higher requirements for thermal design of the equipment.In this article,taking this equipment as the research object,the inner temperature distribution of this electronic equipment at 55℃is predicted through thermal simulation analysis.First,the thermal simulation model is built based on the structural design and components parameters,and simulation and optimization are then conducted;lastly,the regression tests are carried out to verify and further optimize the model and parameters in order to improve the precision of simulation.

关 键 词：电子设备 热仿真 热设计 优化设计 

分 类 号：TN02[电子电信—物理电子学]