Device for unfolding two panels for solar generators

Details Device for unfolding two panels for solar generators Device for unfolding two panels for solar generators

B - Operations, Transporting

64

G

B64G 1/44 (2006.01) B64G 1/22 (2006.01) H01L 31/045 (2006.01)

Patent

CA 2199881

The invention provides a device for unfolding solar panels 2, 3 for a spacecraft, which solar panels are connected with one another by an articulated axle 4, which in turn is connected with actuating devices for unfolding the panels by way of a tension device gearing provided with cable pulleys 11. An uncoupling mechanism, operative after unfolding of one panel 3, permits the articulated axle 4 to be separated from the tension device gearing. Upon swivelling of the unfolded panel 3 into an unfolded position, a pin 8, which is arranged in parallel to the articulated axle 4 engages in circumferentially extending grooves 12 and 12a. In this manner, the swivelled panel 3 can be guided to follow the solar altitude.

Dispositif servant à déplier les panneaux solaires (2 et 3) d'un vaisseau spatial, lesquels sont reliés entre eux par un axe articulé (4) branché à des dispositifs d'enclenchement du déploiement des panneaux, lequel se fait à l'aide d'un tendeur à engrenage muni de poulies (11). Un mécanisme de décrochage, qui entre en fonction une fois qu'un panneau est déplié, permet à l'axe articulé (4) de se dégager de l'engrenage du tendeur. Une fois que le panneau (3) déplié a pivoté pour occuper sa position déployée, un goujon (8), parallèle à l'axe articulé (4), s'emboîte dans des rainures (12 et 12a), qui se prolongent sur la circonférence. Dans cette position, le panneau peut être dirigé de manière à suivre la hauteur solaire.

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