| 摘要 |
A heat sink shield of a satellite according to an embodiment of the present invention comprises: a winder installed on a panel; a shield screen wound through the winder; and a screen fixing device installed on the panel for selectively opening/closing the panel by fixing and releasing the shield screen. According to the present invention, supply and demand of power is properly performed and the satellite can be stably operated as heat is sufficiently released through a heat sink in a geostationary orbit operation while preventing that excessive heat is emitted into space from the satellite in a transfer orbit operation. Furthermore, it is possible to have an economical effect as a structure of the satellite becomes simple and the load is reduced by shielding the heat sink using a shape memory alloy. |
