首页> 中文期刊> 《激光技术 》 >小型激光器冷却部件的结构设计与分析

小型激光器冷却部件的结构设计与分析

             

摘要

In order to complete the design of cooling components within the limited envelope structure of a small laser and guarantee installation accuracy of the laser and cooling parts , the accuracy of transmitting telescope and heat dissipation of water tank, according to the given technical specifications of laser and the determined metal materials and welding methods , the detailed integration and miniaturization design of the cooling parts were carried out.Finite element analysis method and SolidWorks software were used to analyze the static state of the important parts in the cooling parts to ensure its accuracy and reliability. Finally, temperature characteristics test , shock and vibration characteristics test and impact vibration test under high and low temperatures were carried out.The results show that some quality problems , such as tearing and leakage , do not appear in the cooling parts.Beam divergence angle of 2.5mrad, output energy of 86mJ and pulse width of 12ns meet the design requirements. The design is stable and reliable , and can be used in a wide range of airborne laser range finders or indicators.%为了在限定的包络结构内完成小型激光器冷却部件的设计,并保证激光器和冷却部件的安装精度、发射天线的精度和水箱的散热能力,根据该激光器的技术指标,确定了采用的金属材料和焊接方式,进行了一体化和小型化设计.采用有限元分析软件和SolidWorks软件对冷却部件中的重要零件进行静态分析,以确保其精度和可靠性.最后将加工完成的实物进行温度特性试验、冲击振动特性试验和高低温环境下叠加冲击振动试验.结果表明,冷却部件未出现撕裂、漏液等质量问题;激光器的束散角为2.5mrad,输出能量为86mJ,脉宽为12ns,满足设计要求.该设计稳定可靠,可运用于多种机载激光测距机或指示器.

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