CAJ | 학술논문

根据空间应用电子设备的热控要求，对空间光学遥感器的控制电箱进行了热控设计。首先，总结了空间电子设备的热设计原则。针对空间光学遥感器控制电箱介绍了相应的热设计流程，对典型的大功率器件进行了温差推算，并说明了电箱的各电路板和大功率元器件的热设计方案。最后，通过热分析和热试验手段对热控电箱的热控方案进行了验证。试验结果表明：控制电箱的整机稳态工况热平衡温度小于30℃，各元器件的最高壳温在54.2℃以内。结果验证了该设计方案完全满足设计指标要求。
근거공간응용전자설비적열공요구，대공간광학요감기적공제전상진행료열공설계。수선，총결료공간전자설비적열설계원칙。침대공간광학요감기공제전상개소료상응적열설계류정，대전형적대공솔기건진행료온차추산，병설명료전상적각전로판화대공솔원기건적열설계방안。최후，통과열분석화열시험수단대열공전상적열공방안진행료험증。시험결과표명：공제전상적정궤은태공황열평형온도소우30℃，각원기건적최고각온재54.2℃이내。결과험증료해설계방안완전만족설계지표요구。
A high power electronic control cabinet for space optical remote sensors was designed according to the design demands of space electronic equipment .Firstly, the thermal design principle was summarized for space electronic equipment .Then, the thermal design process of the electronic cabinet was generalized , the temperature difference of typical high power electronic components was calculated and the thermal design schemes of printed circuit boards and high power electronic components were introduced .Finally, the design schemes were validated by the means of thermal analysis and thermal test .The test results indicate that the thermal balance temperature of the electronic control cabinet is less than 30 ℃ in a stable working state and the shell temperatures of electronic components are under 54.2℃, which proves that the design schemes fully meet the design requirements of thermal control .