A flexible support device for a helical antenna
A technology of helical antenna and flexible support, applied in the direction of helical antenna, antenna support/installation device, antenna, etc., can solve the problems of increasing the weight and volume of the antenna, occupying the space of the aircraft platform, etc., and achieves convenient operation, simple structure, low cost The effect of weight
Active Publication Date: 2019-02-19
SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM
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Problems solved by technology
However, for large-scale helical antennas used in low frequencies, the highly rigid antenna support columns seriously occupy the space of the aircraft platform and greatly increase the weight and volume of the antenna
Method used
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[0023] The invention will be described in more detail hereinafter with reference to the accompanying drawings showing embodiments of the invention. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In these drawings, the size and relative sizes of layers and regions may be exaggerated for clarity.
[0024] refer to Figure 1-2 , the present invention provides a flexible support device for a helical antenna, which is composed of a dielectric plate 6, a plurality of dielectric bases 5, a plurality of flexible support wires 2 arranged in parallel, and the like. The helical antenna supporting device provided by the invention has simple structure and light weight, and can realize the adjustment of the pitch and rigidity of...
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The invention provides a fixed multi-beam helical antenna stereoscopic array, comprising helical antenna units and a frustum structure which comprises a top surface and a plurality of side surfaces, the upper ends of the side surfaces are connected with the edge of the top surface, the side edges of the adjacent side surfaces are connected, and the top surface and side surfaces are provided with helical antenna units respectively, wherein, the top surface of the frustum structure is in the shape of a regular polygon, and the side surfaces are in the shape of isosceles trapezoids. Each helical antenna unit is isolated by a beam isolation plate, and the helical antenna of the helical antenna unit is mounted on the dielectric plates. The helical antenna has a folding and unfolding function, and the effective control over the pitch and rigidity of the helical antenna is achieved by flexible support wires and a pitch fine-adjustment device. The invention realizes antenna beam pointing deflection by the stereoscopic frustum structure, so as to realize a beam coverage in the airspace in a wider field of view, without using the phase-shifting feeding network; mutual-coupling among the antenna units is reduced and the frustum structure is downsized by the beam isolation plate, and the antenna stereoscopic array is better from the electrical performance, cost and weight.
Description
technical field [0001] The invention relates to the technical field of antenna supporting devices, in particular to a flexible supporting device for a helical antenna. Background technique [0002] The helical antenna is a kind of antenna widely used in the aerospace field, which has excellent circular polarization radiation performance. Traditional helical antennas require a rigid dielectric structure to support the helix, and the rigid dielectric support structure provides support, fixation and protection for the helix. However, for large-scale helical antennas used in low frequencies, the highly rigid antenna support columns seriously occupy the space of the aircraft platform and greatly increase the weight and volume of the antenna. Contents of the invention [0003] In order to solve the above problems, the present invention provides a helical antenna flexible support device, the helical antenna flexible support device includes a helical antenna, a dielectric plate, ...
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IPC IPC(8): H01Q1/14
CPCH01Q1/14H01Q1/362H01Q11/08H01Q21/205
Inventor 张健军庄园
Owner SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM