Fig. 1. Layout diagram of GF-6 satellite

Fig. 2. Schematic diagram of camera structure

Fig. 3. Incident space heat flux of camera

Fig. 4. Sun exposure area of camera

Fig. 5. Change in heat flux reaching the three regions of the entrance aperture

Fig. 6. Diagram of thermal control scheme for camera

Fig. 7. Status of MLI wrapped inside the hood

Fig. 8. Diagrammatic sketch of thermal design of mirror

Fig. 9. Main frame paste with high thermal conductivity graphite film

Fig. 10. Heat conduction path of CMOS component

Fig. 11. Schematic diagram of heat dissipation path for high power devices

Fig. 12. Finite element model of camera

Fig. 13. Transient temperature change of mirror and electric component

Fig. 14. Thermal balance test of camera