Wen-gang YANG, Xue-wu FAN, Chen-jie WANG, De-jin QIN, Bao-peng LI, Yun-fei DU, Liang-jie FENG, Hui ZHAO, Wei GAO. Design and Test of Thermo Electric Cooling System for Space Based Telescope Detector Assembly[J]. Acta Photonica Sinica, 2020, 49(8): 0822001
- Acta Photonica Sinica
- Vol. 49, Issue 8, 0822001 (2020)
Fig. 1. Telescope detector surface schematic
Fig. 2. Space environmental heat flux on radiator in extreme cases
Fig. 3. Schematic of thermal control system for the detector assembly
Fig. 4. Mechanical parameters of the top TEC and bottom TEC
Fig. 5. Package 3D model of detector and TECs
Fig. 6. Heat rejection path and 3D model
Fig. 7. Scheme of TEC drive and control system
Fig. 8. TEC working principles of cooling mode and heating mode
Fig. 9. Sensitivity analysis of the cooling heat loads and thermal resistance on the input power
Fig. 10. System thermal balance test
Fig. 11. Qualification model of CCD assembly
Fig. 12. Qualification model of the telescope
Fig. 13. Detector temperature test results
Fig. 14. TEC hot side temperature test results
Fig. 15. CCD enclosure temperature test results
Fig. 16. Current test results of TECs
Fig. 17. Voltage test results of TECs
Fig. 18. Input power test results of TECs
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Table 1. Space environmental heat flux absorbed by the radiator in the hottest and coldest case
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Table 2. Heat pumped requirements analysis results of TEC
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Table 3. Thermo-electric parameters of the top and bottom TEC
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Table 4. Performance analysis of the top and bottom TEC
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Table 5. TEC environment parameters comparison between simulation and test
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Table 6. TEC working parameters comparison between simulation and test
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