Satellite-borne folding mobile antenna and locking method thereof
A foldable, space-borne technology, applied in the direction of antenna support/installation device, etc., can solve the problems that the antenna cannot meet the rigidity and strength requirements, the antenna fundamental frequency and the entire satellite fundamental frequency coupling, satellite launch failure, etc., to save resources , The outer envelope size of the antenna is reduced, and the antenna structure is compact
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[0023] In order to reduce the number of pyrotechnics and at the same time ensure the rigidity, strength and fundamental frequency requirements of the antenna, after repeated demonstrations and multiple solutions, the space-borne movable foldable antenna and its locking method of the present invention are finally proposed. The locking principle of the present invention is as figure 2 As shown, the reflector assembly 1 is folded to a suitable angle with the rotation of the first bracket 2, and then two first auxiliary brackets are designed on the first bracket 2, and two second auxiliary brackets are designed on the second bracket 8, Then fix it with two locking release devices 6, so that the antenna can be locked with only 2 rounds of pyrotechnics, which not only improves the reliability of antenna unlocking, but also saves resources. The angle between the first bracket and the second bracket is no more than 90 degrees, preferably 90 degrees.
[0024] Hereinafter, the present...
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