Pentagonal prism folding unit circumferential array double-layer peripheral truss folding antenna

By adopting a circumferential array double-layer peripheral truss structure of the pentaprism folding unit, a single-degree of freedom space folding mechanism is formed, which solves the shortcomings of the existing antenna mechanism in terms of stiffness, mechanical properties and folding ratio, and achieves high efficiency and reliability the antenna is expanded and closed.

CN114927852BActive Publication Date: 2025-02-14YANSHAN UNIV
2 Cites 0 Cited by

Patent Information

Application Number
CN202210564638.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-05-23
Publication Date
2025-02-14
Estimated Expiration
2042-05-23

AI Technical Summary

Technical Problem

The existing space-expandable antenna mechanism has shortcomings in stiffness, mechanical properties, folding ratios and deployment properties, and it is difficult to meet the needs of high precision, large diameters and light weight.

Method used

The pentaprism folding unit circumferential array double-layer peripheral truss structure is adopted. The single-degree-of-freedom space folding mechanism is formed by connecting multiple pentaprism folding units. The synchronous folding rod and rotating pair are used to achieve high stiffness and high folding of the antenna. Compare.

Benefits of technology

It achieves high stiffness, excellent mechanical properties, high folding ratio and good expansion performance, strong adaptability, high reliability, easy to control, and meets various aviation needs.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The present invention provides a pentagonal foldable unit circumferential array double-layer peripheral truss foldable antenna, which includes N pentagonal foldable units, N is an integer greater than or equal to three, the N pentagonal foldable units are interconnected and distributed in a circumferential array, each pentagonal foldable unit includes a first pentagonal pyramid foldable unit, a second pentagonal pyramid foldable unit and three connecting rods connecting the first pentagonal pyramid foldable unit and the second pentagonal pyramid foldable unit, and the vertices of the first pentagonal pyramid foldable unit and the second pentagonal pyramid foldable unit are relatively arranged. The present invention has a simple structure, all connections are revolving pairs, it is easy to realize engineering manufacturing, and has a high degree of structural symmetry. The present invention is a single-degree-of-freedom space basic expandable unit, that is, only one drive is required to realize the expansion and folding movement of the unit, the expansion performance is good, the reliability is high, it is suitable for constructing a support mechanism for a peripheral truss antenna, it has strong adaptability, and can meet a variety of aviation needs.
Need to check novelty before this filing date? Find Prior Art