摘要
本文用叠加原理和戴维南定理求解ＲＣ网络，得出电子装置温度试验中外壳壁温公式，确定出最高和最低壁温，以及最大温度变化率。
The superposition priciple and Thevenin's theorem are used to solve the RCnetwork in this paper, and the formulae of the case temperature of electronic equipmentin the temperature test have been got. They can be used to determine the maximum andminimum case temperatures, and the maximum temperture rate as well.
关键词
电子装置
RC网络
electronic equipment
temperature test
RC network
thermal state
