温湿度环境试验箱转温控湿的方法探讨

Research on Preventing Water Condensation During Changing Temperature Phase in Environmental Test Equipments

针对目前军工电子产品在常压温度循环试验时由于结露结霜发生损坏的现象,结合空气调节原理对温湿度环境试验箱低温转高温阶段出现的结露现象进行了分析,从结露的本质因素着手总结了已有试验方法,并提出了设备改造方案,为避免结露对产品造成损坏提供了参考意见。

In order to avoid the damage of the military electronic products due to the condensation during the change of temperature test. The condensation during low temperature phase transfer to high temperature phase in the test chamber is analyzed according to the principle of air-conditioning. Starting from the essential factors of condensation, existing test methods are summarized, and the equipment modification program is proposed