Collapsible helical antenna

摘要

The present concept a helical antenna boom assembly includes a boom assembly, including a boom, and a plurality of rods and stays, each rod operably attached at an upper end of the boom and connected to one end of the stay. The boom assembly includes dish arms operably attached at a lower end of the boom, each dish arm connected to the other end of the stay, wherein the boom assembly moveable between an extended position, and a boom assembly collapsed position, such that in the extended position the stays are held under tension between the dish arms and the rods. The stays are also attached to a helical coil such that the tensioned stays support the helical coil in its correct helical geometry.

主权项

1. A helical antenna boom assembly comprising:
a) a boom assembly, including a boom, and a plurality of resilient rods and stays, the rods arranged in a circular inverted conical array, wherein a boom end of each rod is operably attached at an upper end of the boom at a central rod holder and a stay end of the rods are connected to a rod end of the stays, thereby the rods support the stays in a circular arrangement around the boom; b) the boom assembly includes dish arms arranged in a circular array around a lower end of the boom and operably attached at a lower end of the boom, each dish arm connected to a dish end of the stay, c) wherein the boom assembly is moveable between an extended position, and a boom assembly collapsed position, d) such that in the extended position the rods are resiliently biased such that the stays are held under tension between the circular array of dish arms and the circular array of rods, e) wherein a flexible conductor helical coil is attached to the stays such that the tensioned stays support the helical coil in its correct helical geometry.